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[rdc] 2.6.27 also needs to hack the command line passed to the kernel
[openwrt.git] / target / linux / storm / patches / 002-gmac.patch
1 --- /dev/null
2 +++ b/drivers/net/sl2312_emac.c
3 @@ -0,0 +1,4604 @@
4 +#include <linux/module.h>
5 +#include <linux/kernel.h>
6 +#include <linux/compiler.h>
7 +#include <linux/pci.h>
8 +#include <linux/init.h>
9 +#include <linux/ioport.h>
10 +#include <linux/netdevice.h>
11 +#include <linux/etherdevice.h>
12 +#include <linux/rtnetlink.h>
13 +#include <linux/delay.h>
14 +#include <linux/ethtool.h>
15 +#include <linux/mii.h>
16 +#include <linux/completion.h>
17 +#include <asm/hardware.h>
18 +#include <asm/io.h>
19 +#include <asm/irq.h>
20 +#include <asm/semaphore.h>
21 +#include <asm/arch-sl2312/irqs.h>
22 +#include <asm/arch/it8712.h>
23 +#include <asm/arch/sl2312.h>
24 +#include <linux/mtd/kvctl.h>
25 +#include <linux/sysctl_storlink.h>
26 +
27 +#define BIG_ENDIAN 0
28 +
29 +#define GMAC_DEBUG 0
30 +
31 +#define GMAC_PHY_IF 2
32 +
33 +/* define PHY address */
34 +#define HPHY_ADDR 0x01
35 +#define GPHY_ADDR 0x02
36 +
37 +#define CONFIG_ADM_6999 1
38 +/* define chip information */
39 +#define DRV_NAME "SL2312"
40 +#define DRV_VERSION "0.1.1"
41 +#define SL2312_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION
42 +
43 +/* define TX/RX descriptor parameter */
44 +#define MAX_ETH_FRAME_SIZE 1920
45 +#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE
46 +#define TX_DESC_NUM 128
47 +#define TX_BUF_TOT_LEN (TX_BUF_SIZE * TX_DESC_NUM)
48 +#define RX_BUF_SIZE MAX_ETH_FRAME_SIZE
49 +#define RX_DESC_NUM 256
50 +#define RX_BUF_TOT_LEN (RX_BUF_SIZE * RX_DESC_NUM)
51 +#define MAX_ISR_WORK 20
52 +
53 +unsigned int int_status = 0;
54 +
55 +/* define GMAC base address */
56 +#define GMAC_PHYSICAL_BASE_ADDR (SL2312_GMAC_BASE)
57 +#define GMAC_BASE_ADDR (IO_ADDRESS(GMAC_PHYSICAL_BASE_ADDR))
58 +#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE))
59 +
60 +#define GMAC0_BASE (IO_ADDRESS(SL2312_GMAC0_BASE))
61 +#define GMAC1_BASE (IO_ADDRESS(SL2312_GMAC1_BASE))
62 +
63 +/* memory management utility */
64 +#define DMA_MALLOC(size,handle) pci_alloc_consistent(NULL,size,handle)
65 +#define DMA_MFREE(mem,size,handle) pci_free_consistent(NULL,size,mem,handle)
66 +
67 +//#define gmac_read_reg(offset) (readl(GMAC_BASE_ADDR + offset))
68 +//#define gmac_write_reg(offset,data,mask) writel( (gmac_read_reg(offset)&~mask) |(data&mask),(GMAC_BASE_ADDR+offset))
69 +
70 +/* define owner bit */
71 +#define CPU 0
72 +#define DMA 1
73 +
74 +#define ACTIVE 1
75 +#define NONACTIVE 0
76 +
77 +#define CONFIG_SL_NAPI
78 +
79 +#ifndef CONFIG_SL2312_MPAGE
80 +#define CONFIG_SL2312_MPAGE
81 +#endif
82 +
83 +#ifdef CONFIG_SL2312_MPAGE
84 +#include <linux/skbuff.h>
85 +#include <linux/ip.h>
86 +#include <linux/tcp.h>
87 +#endif
88 +
89 +#ifndef CONFIG_TXINT_DISABLE
90 +//#define CONFIG_TXINT_DISABLE
91 +#endif
92 +
93 +enum phy_state
94 +{
95 + LINK_DOWN = 0,
96 + LINK_UP = 1
97 +};
98 +
99 +
100 +/* transmit timeout value */
101 +#define TX_TIMEOUT (6*HZ)
102 +
103 +/***************************************/
104 +/* the offset address of GMAC register */
105 +/***************************************/
106 +enum GMAC_REGISTER {
107 + GMAC_STA_ADD0 = 0x0000,
108 + GMAC_STA_ADD1 = 0x0004,
109 + GMAC_STA_ADD2 = 0x0008,
110 + GMAC_RX_FLTR = 0x000c,
111 + GMAC_MCAST_FIL0 = 0x0010,
112 + GMAC_MCAST_FIL1 = 0x0014,
113 + GMAC_CONFIG0 = 0x0018,
114 + GMAC_CONFIG1 = 0x001c,
115 + GMAC_CONFIG2 = 0x0020,
116 + GMAC_BNCR = 0x0024,
117 + GMAC_RBNR = 0x0028,
118 + GMAC_STATUS = 0x002c,
119 + GMAC_IN_DISCARDS= 0x0030,
120 + GMAC_IN_ERRORS = 0x0034,
121 + GMAC_IN_MCAST = 0x0038,
122 + GMAC_IN_BCAST = 0x003c,
123 + GMAC_IN_MAC1 = 0x0040,
124 + GMAC_IN_MAC2 = 0x0044
125 +};
126 +
127 +/*******************************************/
128 +/* the offset address of GMAC DMA register */
129 +/*******************************************/
130 +enum GMAC_DMA_REGISTER {
131 + GMAC_DMA_DEVICE_ID = 0xff00,
132 + GMAC_DMA_STATUS = 0xff04,
133 + GMAC_TXDMA_CTRL = 0xff08,
134 + GMAC_TXDMA_FIRST_DESC = 0xff0c,
135 + GMAC_TXDMA_CURR_DESC = 0xff10,
136 + GMAC_RXDMA_CTRL = 0xff14,
137 + GMAC_RXDMA_FIRST_DESC = 0xff18,
138 + GMAC_RXDMA_CURR_DESC = 0xff1c,
139 +};
140 +
141 +/*******************************************/
142 +/* the register structure of GMAC */
143 +/*******************************************/
144 +typedef union
145 +{
146 + unsigned int bits32;
147 + struct bit1_0004
148 + {
149 +#if (BIG_ENDIAN==1)
150 + unsigned int sta_add2_l16 : 16; /* station MAC address2 bits 15 to 0 */
151 + unsigned int sta_add1_h16 : 16; /* station MAC address1 bits 47 to 32 */
152 +#else
153 + unsigned int sta_add1_h16 : 16; /* station MAC address1 bits 47 to 32 */
154 + unsigned int sta_add2_l16 : 16; /* station MAC address2 bits 15 to 0 */
155 +#endif
156 + } bits;
157 +} GMAC_STA_ADD1_T;
158 +
159 +typedef union
160 +{
161 + unsigned int bits32;
162 + struct bit1_000c
163 + {
164 +#if (BIG_ENDIAN==1)
165 + unsigned int : 27;
166 + unsigned int error : 1; /* enable receive of all error frames */
167 + unsigned int promiscuous : 1; /* enable receive of all frames */
168 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
169 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
170 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
171 +#else
172 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
173 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
174 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
175 + unsigned int promiscuous : 1; /* enable receive of all frames */
176 + unsigned int error : 1; /* enable receive of all error frames */
177 + unsigned int : 27;
178 +#endif
179 + } bits;
180 +} GMAC_RX_FLTR_T;
181 +
182 +typedef union
183 +{
184 + unsigned int bits32;
185 + struct bit1_0018
186 + {
187 +#if (BIG_ENDIAN==1)
188 + unsigned int : 10;
189 + unsigned int inv_rx_clk : 1; /* Inverse RX Clock */
190 + unsigned int rising_latch : 1;
191 + unsigned int rx_tag_remove : 1; /* Remove Rx VLAN tag */
192 + unsigned int ipv6_tss_rx_en : 1; /* IPv6 TSS RX enable */
193 + unsigned int ipv4_tss_rx_en : 1; /* IPv4 TSS RX enable */
194 + unsigned int rgmii_en : 1; /* RGMII in-band status enable */
195 + unsigned int tx_fc_en : 1; /* TX flow control enable */
196 + unsigned int rx_fc_en : 1; /* RX flow control enable */
197 + unsigned int sim_test : 1; /* speed up timers in simulation */
198 + unsigned int dis_col : 1; /* disable 16 collisions abort function */
199 + unsigned int dis_bkoff : 1; /* disable back-off function */
200 + unsigned int max_len : 3; /* maximum receive frame length allowed */
201 + unsigned int adj_ifg : 4; /* adjust IFG from 96+/-56 */
202 + unsigned int : 1; /* reserved */
203 + unsigned int loop_back : 1; /* transmit data loopback enable */
204 + unsigned int dis_rx : 1; /* disable receive */
205 + unsigned int dis_tx : 1; /* disable transmit */
206 +#else
207 + unsigned int dis_tx : 1; /* disable transmit */
208 + unsigned int dis_rx : 1; /* disable receive */
209 + unsigned int loop_back : 1; /* transmit data loopback enable */
210 + unsigned int : 1; /* reserved */
211 + unsigned int adj_ifg : 4; /* adjust IFG from 96+/-56 */
212 + unsigned int max_len : 3; /* maximum receive frame length allowed */
213 + unsigned int dis_bkoff : 1; /* disable back-off function */
214 + unsigned int dis_col : 1; /* disable 16 collisions abort function */
215 + unsigned int sim_test : 1; /* speed up timers in simulation */
216 + unsigned int rx_fc_en : 1; /* RX flow control enable */
217 + unsigned int tx_fc_en : 1; /* TX flow control enable */
218 + unsigned int rgmii_en : 1; /* RGMII in-band status enable */
219 + unsigned int ipv4_tss_rx_en : 1; /* IPv4 TSS RX enable */
220 + unsigned int ipv6_tss_rx_en : 1; /* IPv6 TSS RX enable */
221 + unsigned int rx_tag_remove : 1; /* Remove Rx VLAN tag */
222 + unsigned int rising_latch : 1;
223 + unsigned int inv_rx_clk : 1; /* Inverse RX Clock */
224 + unsigned int : 10;
225 +#endif
226 + } bits;
227 +} GMAC_CONFIG0_T;
228 +
229 +typedef union
230 +{
231 + unsigned int bits32;
232 + struct bit1_001c
233 + {
234 +#if (BIG_ENDIAN==1)
235 + unsigned int : 28;
236 + unsigned int buf_size : 4; /* per packet buffer size */
237 +#else
238 + unsigned int buf_size : 4; /* per packet buffer size */
239 + unsigned int : 28;
240 +#endif
241 + } bits;
242 +} GMAC_CONFIG1_T;
243 +
244 +typedef union
245 +{
246 + unsigned int bits32;
247 + struct bit1_0020
248 + {
249 +#if (BIG_ENDIAN==1)
250 + unsigned int rel_threshold : 16; /* flow control release threshold */
251 + unsigned int set_threshold : 16; /* flow control set threshold */
252 +#else
253 + unsigned int set_threshold : 16; /* flow control set threshold */
254 + unsigned int rel_threshold : 16; /* flow control release threshold */
255 +#endif
256 + } bits;
257 +} GMAC_CONFIG2_T;
258 +
259 +typedef union
260 +{
261 + unsigned int bits32;
262 + struct bit1_0024
263 + {
264 +#if (BIG_ENDIAN==1)
265 + unsigned int : 16;
266 + unsigned int buf_num : 16; /* return buffer number from software */
267 +#else
268 + unsigned int buf_num : 16; /* return buffer number from software */
269 + unsigned int : 16;
270 +#endif
271 + } bits;
272 +} GMAC_BNCR_T;
273 +
274 +typedef union
275 +{
276 + unsigned int bits32;
277 + struct bit1_0028
278 + {
279 +#if (BIG_ENDIAN==1)
280 + unsigned int : 16;
281 + unsigned int buf_remain : 16; /* remaining buffer number */
282 +#else
283 + unsigned int buf_remain : 16; /* remaining buffer number */
284 + unsigned int : 16;
285 +#endif
286 + } bits;
287 +} GMAC_RBNR_T;
288 +
289 +typedef union
290 +{
291 + unsigned int bits32;
292 + struct bit1_002c
293 + {
294 +#if (BIG_ENDIAN==1)
295 + unsigned int : 25;
296 + unsigned int mii_rmii : 2; /* PHY interface type */
297 + unsigned int phy_mode : 1; /* PHY interface mode in 10M-bps */
298 + unsigned int duplex : 1; /* duplex mode */
299 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
300 + unsigned int link : 1; /* link status */
301 +#else
302 + unsigned int link : 1; /* link status */
303 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
304 + unsigned int duplex : 1; /* duplex mode */
305 + unsigned int phy_mode : 1; /* PHY interface mode in 10M-bps */
306 + unsigned int mii_rmii : 2; /* PHY interface type */
307 + unsigned int : 25;
308 +#endif
309 + } bits;
310 +} GMAC_STATUS_T;
311 +
312 +
313 +typedef union
314 +{
315 + unsigned int bits32;
316 + struct bit1_009
317 + {
318 +#if (BIG_ENDIAN==1)
319 + unsigned int : 10;
320 + unsigned int tx_fail : 1; /* Tx fail interrupt */
321 + unsigned int cnt_full : 1; /* MIB counters half full interrupt */
322 + unsigned int rx_pause_on : 1; /* received pause on frame interrupt */
323 + unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */
324 + unsigned int rx_pause_off : 1; /* received pause off frame interrupt */
325 + unsigned int tx_pause_off : 1; /* received pause off frame interrupt */
326 + unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */
327 + unsigned int tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt */
328 + unsigned int : 6;
329 + unsigned int m_tx_fail : 1; /* Tx fail interrupt mask */
330 + unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */
331 + unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */
332 + unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */
333 + unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */
334 + unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */
335 + unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */
336 + unsigned int m_tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt mask */
337 +#else
338 + unsigned int m_tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt mask */
339 + unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */
340 + unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */
341 + unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */
342 + unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */
343 + unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */
344 + unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */
345 + unsigned int m_tx_fail : 1; /* Tx fail interrupt mask */
346 + unsigned int : 6;
347 + unsigned int tx_underrun : 1; /* GMAC Tx FIFO underrun interrupt */
348 + unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */
349 + unsigned int tx_pause_off : 1; /* received pause off frame interrupt */
350 + unsigned int rx_pause_off : 1; /* received pause off frame interrupt */
351 + unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */
352 + unsigned int rx_pause_on : 1; /* received pause on frame interrupt */
353 + unsigned int cnt_full : 1; /* MIB counters half full interrupt */
354 + unsigned int tx_fail : 1; /* Tx fail interrupt */
355 + unsigned int : 10;
356 +#endif
357 + } bits;
358 +} GMAC_INT_MASK_T;
359 +
360 +
361 +/*******************************************/
362 +/* the register structure of GMAC DMA */
363 +/*******************************************/
364 +typedef union
365 +{
366 + unsigned int bits32;
367 + struct bit2_ff00
368 + {
369 +#if (BIG_ENDIAN==1)
370 + unsigned int : 7; /* reserved */
371 + unsigned int s_ahb_err : 1; /* Slave AHB bus error */
372 + unsigned int tx_err_code : 4; /* TxDMA error code */
373 + unsigned int rx_err_code : 4; /* RxDMA error code */
374 + unsigned int device_id : 12;
375 + unsigned int revision_id : 4;
376 +#else
377 + unsigned int revision_id : 4;
378 + unsigned int device_id : 12;
379 + unsigned int rx_err_code : 4; /* RxDMA error code */
380 + unsigned int tx_err_code : 4; /* TxDMA error code */
381 + unsigned int s_ahb_err : 1; /* Slave AHB bus error */
382 + unsigned int : 7; /* reserved */
383 +#endif
384 + } bits;
385 +} GMAC_DMA_DEVICE_ID_T;
386 +
387 +typedef union
388 +{
389 + unsigned int bits32;
390 + struct bit2_ff04
391 + {
392 +#if (BIG_ENDIAN==1)
393 + unsigned int ts_finish : 1; /* finished tx interrupt */
394 + unsigned int ts_derr : 1; /* AHB Bus Error while tx */
395 + unsigned int ts_perr : 1; /* Tx Descriptor protocol error */
396 + unsigned int ts_eodi : 1; /* TxDMA end of descriptor interrupt */
397 + unsigned int ts_eofi : 1; /* TxDMA end of frame interrupt */
398 + unsigned int rs_finish : 1; /* finished rx interrupt */
399 + unsigned int rs_derr : 1; /* AHB Bus Error while rx */
400 + unsigned int rs_perr : 1; /* Rx Descriptor protocol error */
401 + unsigned int rs_eodi : 1; /* RxDMA end of descriptor interrupt */
402 + unsigned int rs_eofi : 1; /* RxDMA end of frame interrupt */
403 + unsigned int : 1; /* Tx fail interrupt */
404 + unsigned int cnt_full : 1; /* MIB counters half full interrupt */
405 + unsigned int rx_pause_on : 1; /* received pause on frame interrupt */
406 + unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */
407 + unsigned int rx_pause_off : 1; /* received pause off frame interrupt */
408 + unsigned int tx_pause_off : 1; /* received pause off frame interrupt */
409 + unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */
410 + unsigned int link_change : 1; /* GMAC link changed Interrupt for RGMII mode */
411 + unsigned int : 1;
412 + unsigned int : 1;
413 + unsigned int : 3;
414 + unsigned int loop_back : 1; /* loopback TxDMA to RxDMA */
415 + unsigned int : 1; /* Tx fail interrupt mask */
416 + unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */
417 + unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */
418 + unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */
419 + unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */
420 + unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */
421 + unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */
422 + unsigned int m_link_change : 1; /* GMAC link changed Interrupt mask for RGMII mode */
423 +#else
424 + unsigned int m_link_change : 1; /* GMAC link changed Interrupt mask for RGMII mode */
425 + unsigned int m_rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt mask */
426 + unsigned int m_tx_pause_off : 1; /* received pause off frame interrupt mask */
427 + unsigned int m_rx_pause_off : 1; /* received pause off frame interrupt mask */
428 + unsigned int m_tx_pause_on : 1; /* transmit pause on frame interrupt mask */
429 + unsigned int m_rx_pause_on : 1; /* received pause on frame interrupt mask */
430 + unsigned int m_cnt_full : 1; /* MIB counters half full interrupt mask */
431 + unsigned int : 1; /* Tx fail interrupt mask */
432 + unsigned int loop_back : 1; /* loopback TxDMA to RxDMA */
433 + unsigned int : 3;
434 + unsigned int : 1;
435 + unsigned int : 1;
436 + unsigned int link_change : 1; /* GMAC link changed Interrupt for RGMII mode */
437 + unsigned int rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */
438 + unsigned int tx_pause_off : 1; /* received pause off frame interrupt */
439 + unsigned int rx_pause_off : 1; /* received pause off frame interrupt */
440 + unsigned int tx_pause_on : 1; /* transmit pause on frame interrupt */
441 + unsigned int rx_pause_on : 1; /* received pause on frame interrupt */
442 + unsigned int cnt_full : 1; /* MIB counters half full interrupt */
443 + unsigned int : 1; /* Tx fail interrupt */
444 + unsigned int rs_eofi : 1; /* RxDMA end of frame interrupt */
445 + unsigned int rs_eodi : 1; /* RxDMA end of descriptor interrupt */
446 + unsigned int rs_perr : 1; /* Rx Descriptor protocol error */
447 + unsigned int rs_derr : 1; /* AHB Bus Error while rx */
448 + unsigned int rs_finish : 1; /* finished rx interrupt */
449 + unsigned int ts_eofi : 1; /* TxDMA end of frame interrupt */
450 + unsigned int ts_eodi : 1; /* TxDMA end of descriptor interrupt */
451 + unsigned int ts_perr : 1; /* Tx Descriptor protocol error */
452 + unsigned int ts_derr : 1; /* AHB Bus Error while tx */
453 + unsigned int ts_finish : 1; /* finished tx interrupt */
454 +#endif
455 + } bits;
456 +} GMAC_DMA_STATUS_T;
457 +
458 +typedef union
459 +{
460 + unsigned int bits32;
461 + struct bit2_ff08
462 + {
463 +#if (BIG_ENDIAN==1)
464 + unsigned int td_start : 1; /* Start DMA transfer */
465 + unsigned int td_continue : 1; /* Continue DMA operation */
466 + unsigned int td_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
467 + unsigned int : 1;
468 + unsigned int td_prot : 4; /* TxDMA protection control */
469 + unsigned int td_burst_size : 2; /* TxDMA max burst size for every AHB request */
470 + unsigned int td_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
471 + unsigned int td_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */
472 + unsigned int td_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */
473 + unsigned int td_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */
474 + unsigned int td_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */
475 + unsigned int td_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */
476 + unsigned int td_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */
477 + unsigned int : 14;
478 +#else
479 + unsigned int : 14;
480 + unsigned int td_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */
481 + unsigned int td_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */
482 + unsigned int td_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */
483 + unsigned int td_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */
484 + unsigned int td_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */
485 + unsigned int td_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */
486 + unsigned int td_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
487 + unsigned int td_burst_size : 2; /* TxDMA max burst size for every AHB request */
488 + unsigned int td_prot : 4; /* TxDMA protection control */
489 + unsigned int : 1;
490 + unsigned int td_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
491 + unsigned int td_continue : 1; /* Continue DMA operation */
492 + unsigned int td_start : 1; /* Start DMA transfer */
493 +#endif
494 + } bits;
495 +} GMAC_TXDMA_CTRL_T;
496 +
497 +
498 +typedef union
499 +{
500 + unsigned int bits32;
501 + struct bit2_ff0c
502 + {
503 +#if (BIG_ENDIAN==1)
504 + unsigned int td_first_des_ptr : 28;/* first descriptor address */
505 + unsigned int td_busy : 1;/* 1-TxDMA busy; 0-TxDMA idle */
506 + unsigned int : 3;
507 +#else
508 + unsigned int : 3;
509 + unsigned int td_busy : 1;/* 1-TxDMA busy; 0-TxDMA idle */
510 + unsigned int td_first_des_ptr : 28;/* first descriptor address */
511 +#endif
512 + } bits;
513 +} GMAC_TXDMA_FIRST_DESC_T;
514 +
515 +typedef union
516 +{
517 + unsigned int bits32;
518 + struct bit2_ff10
519 + {
520 +#if (BIG_ENDIAN==1)
521 + unsigned int ndar : 28; /* next descriptor address */
522 + unsigned int eofie : 1; /* end of frame interrupt enable */
523 + unsigned int : 1;
524 + unsigned int sof_eof : 2;
525 +#else
526 + unsigned int sof_eof : 2;
527 + unsigned int : 1;
528 + unsigned int eofie : 1; /* end of frame interrupt enable */
529 + unsigned int ndar : 28; /* next descriptor address */
530 +#endif
531 + } bits;
532 +} GMAC_TXDMA_CURR_DESC_T;
533 +
534 +
535 +typedef union
536 +{
537 + unsigned int bits32;
538 + struct bit2_ff14
539 + {
540 +#if (BIG_ENDIAN==1)
541 + unsigned int rd_start : 1; /* Start DMA transfer */
542 + unsigned int rd_continue : 1; /* Continue DMA operation */
543 + unsigned int rd_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
544 + unsigned int : 1;
545 + unsigned int rd_prot : 4; /* DMA protection control */
546 + unsigned int rd_burst_size : 2; /* DMA max burst size for every AHB request */
547 + unsigned int rd_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
548 + unsigned int rd_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */
549 + unsigned int rd_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */
550 + unsigned int rd_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */
551 + unsigned int rd_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */
552 + unsigned int rd_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */
553 + unsigned int rd_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */
554 + unsigned int : 14;
555 +#else
556 + unsigned int : 14;
557 + unsigned int rd_eof_en : 1; /* End of frame interrupt Enable;1-enable;0-mask */
558 + unsigned int rd_eod_en : 1; /* End of Descriptor interrupt Enable;1-enable;0-mask */
559 + unsigned int rd_perr_en : 1; /* Protocol Failure Interrupt Enable;1-enable;0-mask */
560 + unsigned int rd_fail_en : 1; /* DMA Fail Interrupt Enable;1-enable;0-mask */
561 + unsigned int rd_finish_en : 1; /* DMA Finish Event Interrupt Enable;1-enable;0-mask */
562 + unsigned int rd_endian : 1; /* AHB Endian. 0-little endian; 1-big endian */
563 + unsigned int rd_bus : 2; /* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
564 + unsigned int rd_burst_size : 2; /* DMA max burst size for every AHB request */
565 + unsigned int rd_prot : 4; /* DMA protection control */
566 + unsigned int : 1;
567 + unsigned int rd_chain_mode : 1; /* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
568 + unsigned int rd_continue : 1; /* Continue DMA operation */
569 + unsigned int rd_start : 1; /* Start DMA transfer */
570 +#endif
571 + } bits;
572 +} GMAC_RXDMA_CTRL_T;
573 +
574 +
575 +typedef union
576 +{
577 + unsigned int bits32;
578 + struct bit2_ff18
579 + {
580 +#if (BIG_ENDIAN==1)
581 + unsigned int rd_first_des_ptr : 28;/* first descriptor address */
582 + unsigned int rd_busy : 1;/* 1-RxDMA busy; 0-RxDMA idle */
583 + unsigned int : 3;
584 +#else
585 + unsigned int : 3;
586 + unsigned int rd_busy : 1;/* 1-RxDMA busy; 0-RxDMA idle */
587 + unsigned int rd_first_des_ptr : 28;/* first descriptor address */
588 +#endif
589 + } bits;
590 +} GMAC_RXDMA_FIRST_DESC_T;
591 +
592 +typedef union
593 +{
594 + unsigned int bits32;
595 + struct bit2_ff1c
596 + {
597 +#if (BIG_ENDIAN==1)
598 + unsigned int ndar : 28; /* next descriptor address */
599 + unsigned int eofie : 1; /* end of frame interrupt enable */
600 + unsigned int : 1;
601 + unsigned int sof_eof : 2;
602 +#else
603 + unsigned int sof_eof : 2;
604 + unsigned int : 1;
605 + unsigned int eofie : 1; /* end of frame interrupt enable */
606 + unsigned int ndar : 28; /* next descriptor address */
607 +#endif
608 + } bits;
609 +} GMAC_RXDMA_CURR_DESC_T;
610 +
611 +
612 +/********************************************/
613 +/* Descriptor Format */
614 +/********************************************/
615 +
616 +typedef struct descriptor_t
617 +{
618 + union frame_control_t
619 + {
620 + unsigned int bits32;
621 + struct bits_0000
622 + {
623 +#if (BIG_ENDIAN==1)
624 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
625 + unsigned int derr : 1; /* data error during processing this descriptor */
626 + unsigned int perr : 1; /* protocol error during processing this descriptor */
627 + unsigned int csum_state : 3; /* checksum error status */
628 + unsigned int vlan_tag : 1; /* 802.1q vlan tag packet */
629 + unsigned int frame_state: 3; /* reference Rx Status1 */
630 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
631 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
632 +#else
633 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
634 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
635 + unsigned int frame_state: 3; /* reference Rx Status1 */
636 + unsigned int vlan_tag : 1; /* 802.1q vlan tag packet */
637 + unsigned int csum_state : 3; /* checksum error status */
638 + unsigned int perr : 1; /* protocol error during processing this descriptor */
639 + unsigned int derr : 1; /* data error during processing this descriptor */
640 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
641 +#endif
642 + } bits_rx;
643 +
644 + struct bits_0001
645 + {
646 +#if (BIG_ENDIAN==1)
647 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
648 + unsigned int derr : 1; /* data error during processing this descriptor */
649 + unsigned int perr : 1; /* protocol error during processing this descriptor */
650 + unsigned int : 6;
651 + unsigned int success_tx : 1; /* successful transmitted */
652 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
653 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
654 +#else
655 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
656 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
657 + unsigned int success_tx : 1; /* successful transmitted */
658 + unsigned int : 6;
659 + unsigned int perr : 1; /* protocol error during processing this descriptor */
660 + unsigned int derr : 1; /* data error during processing this descriptor */
661 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
662 +#endif
663 + } bits_tx_in;
664 +
665 + struct bits_0002
666 + {
667 +#if (BIG_ENDIAN==1)
668 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
669 + unsigned int derr : 1; /* data error during processing this descriptor */
670 + unsigned int perr : 1; /* protocol error during processing this descriptor */
671 + unsigned int : 2;
672 + unsigned int udp_csum_en: 1; /* TSS UDP checksum enable */
673 + unsigned int tcp_csum_en: 1; /* TSS TCP checksum enable */
674 + unsigned int ipv6_tx_en : 1; /* TSS IPv6 TX enable */
675 + unsigned int ip_csum_en : 1; /* TSS IPv4 IP Header checksum enable */
676 + unsigned int vlan_enable: 1; /* VLAN TIC insertion enable */
677 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
678 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
679 +#else
680 + unsigned int buffer_size:16; /* transfer buffer size associated with current description*/
681 + unsigned int desc_count : 6; /* number of descriptors used for the current frame */
682 + unsigned int vlan_enable: 1; /* VLAN TIC insertion enable */
683 + unsigned int ip_csum_en : 1; /* TSS IPv4 IP Header checksum enable */
684 + unsigned int ipv6_tx_en : 1; /* TSS IPv6 TX enable */
685 + unsigned int tcp_csum_en: 1; /* TSS TCP checksum enable */
686 + unsigned int udp_csum_en: 1; /* TSS UDP checksum enable */
687 + unsigned int : 2;
688 + unsigned int perr : 1; /* protocol error during processing this descriptor */
689 + unsigned int derr : 1; /* data error during processing this descriptor */
690 + unsigned int own : 1; /* owner bit. 0-CPU, 1-DMA */
691 +#endif
692 + } bits_tx_out;
693 +
694 + } frame_ctrl;
695 +
696 + union flag_status_t
697 + {
698 + unsigned int bits32;
699 + struct bits_0004
700 + {
701 +#if (BIG_ENDIAN==1)
702 + unsigned int priority : 3; /* user priority extracted from receiving frame*/
703 + unsigned int cfi : 1; /* cfi extracted from receiving frame*/
704 + unsigned int vlan_id :12; /* VLAN ID extracted from receiving frame */
705 + unsigned int frame_count:16; /* received frame byte count,include CRC,not include VLAN TIC */
706 +#else
707 + unsigned int frame_count:16; /* received frame byte count,include CRC,not include VLAN TIC */
708 + unsigned int vlan_id :12; /* VLAN ID extracted from receiving frame */
709 + unsigned int cfi : 1; /* cfi extracted from receiving frame*/
710 + unsigned int priority : 3; /* user priority extracted from receiving frame*/
711 +#endif
712 + } bits_rx_status;
713 +
714 + struct bits_0005
715 + {
716 +#if (BIG_ENDIAN==1)
717 + unsigned int priority : 3; /* user priority to transmit*/
718 + unsigned int cfi : 1; /* cfi to transmit*/
719 + unsigned int vlan_id :12; /* VLAN ID to transmit */
720 + unsigned int frame_count:16; /* total tx frame byte count */
721 +#else
722 + unsigned int frame_count:16; /* total tx frame byte count */
723 + unsigned int vlan_id :12; /* VLAN ID to transmit */
724 + unsigned int cfi : 1; /* cfi to transmit*/
725 + unsigned int priority : 3; /* user priority to transmit*/
726 +#endif
727 + } bits_tx_flag;
728 + } flag_status;
729 +
730 + unsigned int buf_adr; /* data buffer address */
731 +
732 + union next_desc_t
733 + {
734 + unsigned int next_descriptor;
735 + struct bits_000c
736 + {
737 +#if (BIG_ENDIAN==1)
738 + unsigned int ndar :28; /* next descriptor address */
739 + unsigned int eofie : 1; /* end of frame interrupt enable */
740 + unsigned int : 1;
741 + unsigned int sof_eof : 2; /* 00-the linking descriptor 01-the last descriptor of a frame*/
742 + /* 10-the first descriptor of a frame 11-only one descriptor for a frame*/
743 +#else
744 + unsigned int sof_eof : 2; /* 00-the linking descriptor 01-the last descriptor of a frame*/
745 + /* 10-the first descriptor of a frame 11-only one descriptor for a frame*/
746 + unsigned int : 1;
747 + unsigned int eofie : 1; /* end of frame interrupt enable */
748 + unsigned int ndar :28; /* next descriptor address */
749 +#endif
750 + } bits;
751 + } next_desc;
752 +} GMAC_DESCRIPTOR_T;
753 +
754 +typedef struct gmac_conf {
755 + struct net_device *dev;
756 + int portmap;
757 + int vid;
758 + int flag; /* 1: active 0: non-active */
759 +} sys_gmac_conf;
760 +
761 +struct gmac_private {
762 + unsigned char *tx_bufs; /* Tx bounce buffer region. */
763 + unsigned char *rx_bufs;
764 + GMAC_DESCRIPTOR_T *tx_desc; /* point to virtual TX descriptor address*/
765 + GMAC_DESCRIPTOR_T *rx_desc; /* point to virtual RX descriptor address*/
766 + GMAC_DESCRIPTOR_T *tx_cur_desc; /* point to current TX descriptor */
767 + GMAC_DESCRIPTOR_T *rx_cur_desc; /* point to current RX descriptor */
768 + GMAC_DESCRIPTOR_T *tx_finished_desc;
769 + GMAC_DESCRIPTOR_T *rx_finished_desc;
770 + unsigned long cur_tx;
771 + unsigned int cur_rx; /* Index into the Rx buffer of next Rx pkt. */
772 + unsigned int tx_flag;
773 + unsigned long dirty_tx;
774 + unsigned char *tx_buf[TX_DESC_NUM]; /* Tx bounce buffers */
775 + dma_addr_t tx_desc_dma; /* physical TX descriptor address */
776 + dma_addr_t rx_desc_dma; /* physical RX descriptor address */
777 + dma_addr_t tx_bufs_dma; /* physical TX descriptor address */
778 + dma_addr_t rx_bufs_dma; /* physical RX descriptor address */
779 + struct net_device_stats stats;
780 + pid_t thr_pid;
781 + wait_queue_head_t thr_wait;
782 + struct completion thr_exited;
783 + spinlock_t lock;
784 + int time_to_die;
785 + unsigned int tx_desc_hdr[GMAC_PHY_IF]; /* the descriptor which sw can fill */
786 + unsigned int tx_desc_tail[GMAC_PHY_IF]; /* the descriptor which is not cleaned yet */
787 +};
788 +
789 +
790 +struct reg_ioctl_data {
791 + unsigned int reg_addr; /* the register address */
792 + unsigned int val_in; /* data write to the register */
793 + unsigned int val_out; /* data read from the register */
794 +};
795 +
796 +#ifdef CONFIG_SL2312_MPAGE
797 +typedef struct tx_data_t {
798 + int freeable; // 1 when it's skb. it can be freed in tx interrupt handler
799 + struct sk_buff* skb; // skb
800 + int desc_in_use; // 1 when the desc is in use. 0 when desc is available.
801 + long end_seq; // to find out packets are in seq.
802 + // so this value is the seq of next packet.
803 +} tx_data;
804 +#endif
805 +
806 +/*************************************************************
807 + * Global Variable
808 + *************************************************************/
809 +struct semaphore sem_gmac; /* semaphore for share pins issue */
810 +
811 +/*************************************************************
812 + * Static Global Variable
813 + *************************************************************/
814 +// static unsigned int MAC_BASE_ADDR = GMAC0_BASE;
815 +static unsigned int gmac_base_addr[GMAC_PHY_IF] = {GMAC0_BASE,GMAC1_BASE};
816 +static unsigned int gmac_irq[GMAC_PHY_IF] = {IRQ_GMAC0,IRQ_GMAC1};
817 +static struct net_device *gmac_dev[GMAC_PHY_IF];
818 +
819 +static unsigned int FLAG_SWITCH=0; /* if 1-->switch chip presented. if 0-->switch chip unpresented */
820 +static unsigned int flow_control_enable[GMAC_PHY_IF] = {1,1};
821 +static unsigned int pre_phy_status[GMAC_PHY_IF] = {LINK_DOWN,LINK_DOWN};
822 +static unsigned int tx_desc_virtual_base[GMAC_PHY_IF];
823 +static unsigned int rx_desc_virtual_base[GMAC_PHY_IF];
824 +static unsigned int full_duplex = 1;
825 +static unsigned int speed = 1;
826 +#ifdef CONFIG_SL2312_MPAGE
827 +static tx_data tx_skb[GMAC_PHY_IF][TX_DESC_NUM];
828 +#else
829 +static struct sk_buff *tx_skb[GMAC_PHY_IF][TX_DESC_NUM];
830 +#endif
831 +static struct sk_buff *rx_skb[GMAC_PHY_IF][RX_DESC_NUM];
832 +static unsigned int tx_desc_start_adr[GMAC_PHY_IF];
833 +static unsigned int rx_desc_start_adr[GMAC_PHY_IF];
834 +static unsigned char eth0_mac[6]= {0x00,0x50,0xc2,0x2b,0xd3,0x25};
835 +static unsigned char eth1_mac[6]= {0x00,0x50,0xc2,0x2b,0xdf,0xfe};
836 +static unsigned int next_tick = 3 * HZ;
837 +
838 +static unsigned int phy_addr[GMAC_PHY_IF] = {0x01,0x02}; /* define PHY address */
839 +
840 +DECLARE_WAIT_QUEUE_HEAD(gmac_queue);
841 +//static wait_queue_t wait;
842 +
843 +struct gmac_conf VLAN_conf[] = {
844 +#ifdef CONFIG_ADM_6999
845 + { (struct net_device *)0,0x7F,1 },
846 + { (struct net_device *)0,0x80,2 }
847 +#endif
848 +#ifdef CONFIG_ADM_6996
849 + { (struct net_device *)0,0x0F,1 },
850 + { (struct net_device *)0,0x10,2 }
851 +#endif
852 +};
853 +
854 +#define NUM_VLAN_IF (sizeof(VLAN_conf)/sizeof(struct gmac_conf))
855 +
856 +
857 +/************************************************/
858 +/* GMAC function declare */
859 +/************************************************/
860 +
861 +unsigned int mii_read(unsigned char phyad,unsigned char regad);
862 +void mii_write(unsigned char phyad,unsigned char regad,unsigned int value);
863 +static void gmac_set_phy_status(struct net_device *dev);
864 +static void gmac_get_phy_status(struct net_device *dev);
865 +static int gmac_phy_thread (void *data);
866 +static int gmac_set_mac_address(struct net_device *dev, void *addr);
867 +static void gmac_tx_timeout(struct net_device *dev);
868 +static void gmac_tx_packet_complete(struct net_device *dev);
869 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev);
870 +static void gmac_set_rx_mode(struct net_device *dev);
871 +static void gmac_rx_packet(struct net_device *dev);
872 +static int gmac_open (struct net_device *dev);
873 +static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
874 +
875 +static unsigned int gmac_get_dev_index(struct net_device *dev);
876 +static unsigned int gmac_select_interface(struct net_device *dev);
877 +
878 +#ifdef CONFIG_SL2312_MPAGE
879 +int printk_all(int dev_index, struct gmac_private* tp);
880 +#endif
881 +
882 +/****************************************/
883 +/* SPI Function Declare */
884 +/****************************************/
885 +void SPI_write(unsigned char addr,unsigned int value);
886 +unsigned int SPI_read(unsigned char table,unsigned char addr);
887 +void SPI_write_bit(char bit_EEDO);
888 +unsigned int SPI_read_bit(void);
889 +void SPI_default(void);
890 +void SPI_reset(unsigned char rstype,unsigned char port_cnt);
891 +void SPI_pre_st(void);
892 +void SPI_CS_enable(unsigned char enable);
893 +void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask);
894 +void SPI_Set_tag(unsigned int port,unsigned tag);
895 +void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask);
896 +unsigned int SPI_Get_PVID(unsigned int port);
897 +void SPI_mac_lock(unsigned int port, unsigned char lock);
898 +void SPI_get_port_state(unsigned int port);
899 +void SPI_port_enable(unsigned int port,unsigned char enable);
900 +unsigned int SPI_get_identifier(void);
901 +void SPI_get_status(unsigned int port);
902 +
903 +/****************************************/
904 +/* VLAN Function Declare */
905 +/****************************************/
906 +int getVLANfromdev (struct net_device *dev );
907 +struct net_device * getdevfromVLAN( int VID);
908 +
909 +
910 +
911 +/************************************************/
912 +/* function body */
913 +/************************************************/
914 +#if 0
915 +void hw_memcpy(void *to,const void *from,unsigned long n)
916 +{
917 + writel(from,SL2312_DRAM_CTRL_BASE+0x20); /* set source address */
918 + writel(to,SL2312_DRAM_CTRL_BASE+0x24); /* set destination address */
919 + writel(n,SL2312_DRAM_CTRL_BASE+0x28); /* set byte count */
920 + writel(0x00000001,SL2312_DRAM_CTRL_BASE+0x2c);
921 + while (readl(SL2312_DRAM_CTRL_BASE+0x2c));
922 +}
923 +#endif
924 +
925 +static unsigned int gmac_read_reg(unsigned int addr)
926 +{
927 + unsigned int reg_val;
928 +// unsigned int flags;
929 +// spinlock_t lock;
930 +
931 +// spin_lock_irqsave(&lock, flags);
932 + reg_val = readl(addr); // Gary Chen
933 +// spin_unlock_irqrestore(&lock, flags);
934 + return (reg_val);
935 +}
936 +
937 +static void gmac_write_reg(unsigned int addr,unsigned int data,unsigned int bit_mask)
938 +{
939 + unsigned int reg_val;
940 + //unsigned int *addr;
941 +// unsigned int flags;
942 +// spinlock_t lock;
943 +
944 +// spin_lock_irqsave(&lock, flags);
945 + reg_val = ( gmac_read_reg(addr) & (~bit_mask) ) | (data & bit_mask);
946 + writel(reg_val,addr);
947 +// spin_unlock_irqrestore(&lock, flags);
948 + return;
949 +}
950 +
951 +
952 +static void gmac_sw_reset(struct net_device *dev)
953 +{
954 + unsigned int index;
955 + unsigned int reg_val;
956 +
957 + index = gmac_get_dev_index(dev);
958 + if (index==0)
959 + reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000020; /* GMAC0 S/W reset */
960 + else
961 + reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000040; /* GMAC1 S/W reset */
962 +
963 + writel(reg_val,GMAC_GLOBAL_BASE_ADDR+0x0c);
964 + return;
965 +}
966 +
967 +static void gmac_get_mac_address(void)
968 +{
969 +#ifdef CONFIG_MTD
970 + extern int get_vlaninfo(vlaninfo* vlan);
971 + static vlaninfo vlan[2];
972 +
973 + if (get_vlaninfo(&vlan[0]))
974 + {
975 + memcpy(eth0_mac,vlan[0].mac,6);
976 + VLAN_conf[0].vid = vlan[0].vlanid;
977 + VLAN_conf[0].portmap = vlan[0].vlanmap;
978 + memcpy(eth1_mac,vlan[1].mac,6);
979 + VLAN_conf[1].vid = vlan[1].vlanid;
980 + VLAN_conf[1].portmap = vlan[1].vlanmap;
981 + }
982 +#else
983 + unsigned int reg_val;
984 +
985 + reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
986 + eth0_mac[4] = (reg_val & 0xff00) >> 8;
987 + eth0_mac[5] = reg_val & 0x00ff;
988 + reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
989 + eth1_mac[4] = (reg_val & 0xff00) >> 8;
990 + eth1_mac[5] = reg_val & 0x00ff;
991 +#endif
992 + return;
993 +}
994 +
995 +static unsigned int gmac_get_dev_index(struct net_device *dev)
996 +{
997 + unsigned int i;
998 +
999 + /* get device index number */
1000 + for (i=0;i<GMAC_PHY_IF;i++)
1001 + {
1002 + if (gmac_dev[i]==dev)
1003 + {
1004 + return(i);
1005 + }
1006 + }
1007 + return (0xff);
1008 +}
1009 +
1010 +static unsigned int gmac_select_interface(struct net_device *dev)
1011 +{
1012 + unsigned int index;
1013 +
1014 + index = gmac_get_dev_index(dev);
1015 + // MAC_BASE_ADDR = gmac_base_addr[index]; // Gary Chen
1016 + return (index);
1017 +}
1018 +
1019 +
1020 +static void gmac_dump_register(struct net_device *dev)
1021 +{
1022 +#if 0
1023 + unsigned int i,val,index;
1024 +
1025 + index = gmac_select_interface(dev);
1026 +
1027 + printk("========== GMAC%d ==========\n",index);
1028 + for (i=0;i<=0x7c;i=i+4)
1029 + {
1030 + val = gmac_read_reg(gmac_base_addr[index] + i);
1031 + printk("offset = %08x value = %08x\n",i,val);
1032 + }
1033 + for (i=0xff00;i<=0xff7c;i=i+4)
1034 + {
1035 + val = gmac_read_reg(gmac_base_addr[index] + i);
1036 + printk("offset = %08x value = %08x\n",i,val);
1037 + }
1038 +#endif
1039 +}
1040 +
1041 +static int gmac_init_chip(struct net_device *dev)
1042 +{
1043 + GMAC_RBNR_T rbnr_val,rbnr_mask;
1044 + GMAC_CONFIG2_T config2_val;
1045 + GMAC_CONFIG0_T config0,config0_mask;
1046 + GMAC_CONFIG1_T config1;
1047 + struct sockaddr sock;
1048 + unsigned int status;
1049 + unsigned int phy_mode;
1050 + unsigned int index;
1051 +
1052 + index = gmac_get_dev_index(dev);
1053 +
1054 + /* set GMAC RMII mode */
1055 + if (index==0)
1056 + phy_mode = 0; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
1057 + else
1058 + phy_mode = 2; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
1059 +
1060 + /* set PHY operation mode */
1061 + status = (phy_mode<<5) | 0x11 | (full_duplex<<3) | (speed<<1);
1062 + gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status ,0x0000007f);
1063 +
1064 + /* set station MAC address1 and address2 */
1065 + if (index==0)
1066 + memcpy(&sock.sa_data[0],&eth0_mac[0],6);
1067 + else
1068 + memcpy(&sock.sa_data[0],&eth1_mac[0],6);
1069 + gmac_set_mac_address(dev,(void *)&sock);
1070 +
1071 + /* set RX_FLTR register to receive all multicast packet */
1072 + gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x0000001F,0x0000001f);
1073 + //gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x00000007,0x0000001f);
1074 +
1075 + /* set per packet buffer size */
1076 + config1.bits32 = 0;
1077 + config1.bits.buf_size = 11; /* buffer size = 2048-byte */
1078 + gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG1,config1.bits32,0x0000000f);
1079 +
1080 + /* set flow control threshold */
1081 + config2_val.bits32 = 0;
1082 + config2_val.bits.set_threshold = RX_DESC_NUM/4;
1083 + config2_val.bits.rel_threshold = RX_DESC_NUM*3/4;
1084 + gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG2,config2_val.bits32,0xffffffff);
1085 +
1086 + /* init remaining buffer number register */
1087 + rbnr_val.bits32 = 0;
1088 + rbnr_val.bits.buf_remain = RX_DESC_NUM;
1089 + rbnr_mask.bits32 = 0;
1090 + rbnr_mask.bits.buf_remain = 0xffff;
1091 + gmac_write_reg(gmac_base_addr[index] + GMAC_RBNR,rbnr_val.bits32,rbnr_mask.bits32);
1092 +
1093 + /* disable TX/RX and disable internal loop back */
1094 + config0.bits32 = 0;
1095 + config0_mask.bits32 = 0;
1096 + config0.bits.max_len = 2;
1097 + if (flow_control_enable[index]==1)
1098 + {
1099 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
1100 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
1101 + printk("Enable MAC Flow Control...\n");
1102 + }
1103 + else
1104 + {
1105 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
1106 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
1107 + printk("Disable MAC Flow Control...\n");
1108 + }
1109 + config0.bits.dis_rx = 1; /* disable rx */
1110 + config0.bits.dis_tx = 1; /* disable tx */
1111 + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
1112 + config0.bits.inv_rx_clk = 0;
1113 + config0.bits.rising_latch = 1;
1114 + config0.bits.ipv4_tss_rx_en = 1; /* enable H/W to check ip checksum */
1115 + config0.bits.ipv6_tss_rx_en = 1; /* enable H/W to check ip checksum */
1116 +
1117 + config0_mask.bits.max_len = 7;
1118 + config0_mask.bits.tx_fc_en = 1;
1119 + config0_mask.bits.rx_fc_en = 1;
1120 + config0_mask.bits.dis_rx = 1;
1121 + config0_mask.bits.dis_tx = 1;
1122 + config0_mask.bits.loop_back = 1;
1123 + config0_mask.bits.inv_rx_clk = 1;
1124 + config0_mask.bits.rising_latch = 1;
1125 + config0_mask.bits.ipv4_tss_rx_en = 1;
1126 + config0_mask.bits.ipv6_tss_rx_en = 1;
1127 + gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
1128 +
1129 + return (0);
1130 +}
1131 +
1132 +static void gmac_enable_tx_rx(struct net_device *dev)
1133 +{
1134 + GMAC_CONFIG0_T config0,config0_mask;
1135 + int dev_index;
1136 +
1137 + dev_index = gmac_select_interface(dev);
1138 +
1139 + /* enable TX/RX */
1140 + config0.bits32 = 0;
1141 + config0_mask.bits32 = 0;
1142 + config0.bits.dis_rx = 0; /* enable rx */
1143 + config0.bits.dis_tx = 0; /* enable tx */
1144 + config0_mask.bits.dis_rx = 1;
1145 + config0_mask.bits.dis_tx = 1;
1146 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
1147 +}
1148 +
1149 +static void gmac_disable_tx_rx(struct net_device *dev)
1150 +{
1151 + GMAC_CONFIG0_T config0,config0_mask;
1152 + int dev_index;
1153 +
1154 + dev_index = gmac_select_interface(dev);
1155 +
1156 + /* enable TX/RX */
1157 + config0.bits32 = 0;
1158 + config0_mask.bits32 = 0;
1159 + config0.bits.dis_rx = 1; /* disable rx */
1160 + config0.bits.dis_tx = 1; /* disable tx */
1161 + config0_mask.bits.dis_rx = 1;
1162 + config0_mask.bits.dis_tx = 1;
1163 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
1164 +}
1165 +
1166 +#ifdef CONFIG_SL_NAPI
1167 +static int gmac_rx_poll_ga(struct net_device *dev, int *budget)
1168 +{
1169 + struct gmac_private *tp = dev->priv;
1170 + struct sk_buff *skb;
1171 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
1172 + GMAC_RXDMA_FIRST_DESC_T rxdma_busy;
1173 + GMAC_DESCRIPTOR_T *rx_desc;
1174 + unsigned int pkt_size;
1175 + unsigned int desc_count;
1176 + unsigned int vid;
1177 +// unsigned int priority;
1178 + unsigned int own;
1179 + unsigned int good_frame = 0;
1180 + unsigned int index;
1181 + unsigned int dev_index;
1182 + int work = 0;
1183 + int work_done = 0;
1184 + int quota = min(dev->quota, *budget);
1185 +
1186 + dev_index = gmac_select_interface(dev);
1187 +
1188 + for (;;)
1189 + {
1190 + own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
1191 + if (own == CPU) /* check owner bit */
1192 + {
1193 + rx_desc = tp->rx_cur_desc;
1194 +#if (GMAC_DEBUG==1)
1195 + /* check error interrupt */
1196 + if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
1197 + {
1198 + printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
1199 + }
1200 +#endif
1201 + /* get frame information from the first descriptor of the frame */
1202 + pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/
1203 +#if (GMAC_DEBUG==1)
1204 + priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */
1205 +#endif
1206 + vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */
1207 + if (vid == 0)
1208 + {
1209 + vid = 1; /* default vlan */
1210 + }
1211 + desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
1212 +
1213 + if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
1214 + {
1215 + tp->stats.rx_bytes += pkt_size;
1216 + tp->stats.rx_packets++;
1217 + good_frame = 1;
1218 + }
1219 + else
1220 + {
1221 + tp->stats.rx_errors++;
1222 + good_frame = 0;
1223 + printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
1224 + }
1225 + }
1226 + else
1227 + {
1228 + work_done = 1;
1229 + break; /* Rx process is completed */
1230 + }
1231 +
1232 + if (good_frame == 1)
1233 + {
1234 + /* get rx skb buffer index */
1235 + index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1236 + if (rx_skb[dev_index][index])
1237 + {
1238 + skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */
1239 + rx_skb[dev_index][index]->dev = dev;
1240 + rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
1241 + skb_put(rx_skb[dev_index][index],pkt_size);
1242 + rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
1243 + netif_rx(rx_skb[dev_index][index]); /* socket rx */
1244 + dev->last_rx = jiffies;
1245 +
1246 + /* allocate rx skb buffer */
1247 + if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */
1248 + {
1249 + printk("%s::skb buffer allocation fail !\n",__func__);
1250 + }
1251 + rx_skb[dev_index][index] = skb;
1252 + tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */
1253 + }
1254 + else
1255 + {
1256 + printk("%s::rx skb index error !\n",__func__);
1257 + }
1258 + }
1259 +
1260 + tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
1261 + /* point to next rx descriptor */
1262 + tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
1263 +
1264 + /* release buffer to Remaining Buffer Number Register */
1265 + if (flow_control_enable[dev_index] ==1)
1266 + {
1267 +// gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
1268 + writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR));
1269 + }
1270 +
1271 + if (work++ >= quota )
1272 + {
1273 + break;
1274 + }
1275 + }
1276 +
1277 + /* if RX DMA process is stoped , restart it */
1278 + rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
1279 + if (rxdma_busy.bits.rd_busy == 0)
1280 + {
1281 + rxdma_ctrl.bits32 = 0;
1282 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
1283 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
1284 + rxdma_ctrl_mask.bits32 = 0;
1285 + rxdma_ctrl_mask.bits.rd_start = 1;
1286 + rxdma_ctrl_mask.bits.rd_continue = 1;
1287 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
1288 + }
1289 +
1290 + dev->quota -= work;
1291 + *budget -= work;
1292 + if (work_done==1)
1293 + {
1294 + /* Receive descriptor is empty now */
1295 + netif_rx_complete(dev);
1296 + /* enable receive interrupt */
1297 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000); /* enable rx interrupt */
1298 + return 0;
1299 + }
1300 + else
1301 + {
1302 + return -1;
1303 + }
1304 +}
1305 +
1306 +static int gmac_rx_poll_gb(struct net_device *dev, int *budget)
1307 +{
1308 + struct gmac_private *tp = dev->priv;
1309 + struct sk_buff *skb;
1310 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
1311 + GMAC_RXDMA_FIRST_DESC_T rxdma_busy;
1312 + GMAC_DESCRIPTOR_T *rx_desc;
1313 + unsigned int pkt_size;
1314 + unsigned int desc_count;
1315 + unsigned int vid;
1316 +// unsigned int priority;
1317 + unsigned int own;
1318 + unsigned int good_frame = 0;
1319 + unsigned int index;
1320 + unsigned int dev_index;
1321 + int work = 0;
1322 + int work_done = 0;
1323 + int quota = min(dev->quota, *budget);
1324 +
1325 + dev_index = gmac_select_interface(dev);
1326 +
1327 + for (;;)
1328 + {
1329 + own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
1330 + if (own == CPU) /* check owner bit */
1331 + {
1332 + rx_desc = tp->rx_cur_desc;
1333 +#if (GMAC_DEBUG==1)
1334 + /* check error interrupt */
1335 + if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
1336 + {
1337 + printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
1338 + }
1339 +#endif
1340 + /* get frame information from the first descriptor of the frame */
1341 + pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/
1342 +#if (GMAC_DEBUG==1)
1343 + priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */
1344 +#endif
1345 + vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */
1346 + if (vid == 0)
1347 + {
1348 + vid = 1; /* default vlan */
1349 + }
1350 + desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
1351 +
1352 + if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
1353 + {
1354 + tp->stats.rx_bytes += pkt_size;
1355 + tp->stats.rx_packets++;
1356 + good_frame = 1;
1357 + }
1358 + else
1359 + {
1360 + tp->stats.rx_errors++;
1361 + good_frame = 0;
1362 + printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
1363 + }
1364 + }
1365 + else
1366 + {
1367 + work_done = 1;
1368 + break; /* Rx process is completed */
1369 + }
1370 +
1371 + if (good_frame == 1)
1372 + {
1373 + /* get rx skb buffer index */
1374 + index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1375 + if (rx_skb[dev_index][index])
1376 + {
1377 + skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */
1378 + rx_skb[dev_index][index]->dev = dev;
1379 + rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
1380 + skb_put(rx_skb[dev_index][index],pkt_size);
1381 + rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
1382 + netif_rx(rx_skb[dev_index][index]); /* socket rx */
1383 + dev->last_rx = jiffies;
1384 +
1385 + /* allocate rx skb buffer */
1386 + if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */
1387 + {
1388 + printk("%s::skb buffer allocation fail !\n",__func__);
1389 + }
1390 + rx_skb[dev_index][index] = skb;
1391 + tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */
1392 + }
1393 + else
1394 + {
1395 + printk("%s::rx skb index error !\n",__func__);
1396 + }
1397 + }
1398 +
1399 + tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
1400 + /* point to next rx descriptor */
1401 + tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
1402 +
1403 + /* release buffer to Remaining Buffer Number Register */
1404 + if (flow_control_enable[dev_index] ==1)
1405 + {
1406 +// gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
1407 + writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR));
1408 + }
1409 +
1410 + if (work++ >= quota )
1411 + {
1412 + break;
1413 + }
1414 + }
1415 +
1416 + /* if RX DMA process is stoped , restart it */
1417 + rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
1418 + if (rxdma_busy.bits.rd_busy == 0)
1419 + {
1420 + rxdma_ctrl.bits32 = 0;
1421 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
1422 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
1423 + rxdma_ctrl_mask.bits32 = 0;
1424 + rxdma_ctrl_mask.bits.rd_start = 1;
1425 + rxdma_ctrl_mask.bits.rd_continue = 1;
1426 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
1427 + }
1428 +
1429 + dev->quota -= work;
1430 + *budget -= work;
1431 + if (work_done==1)
1432 + {
1433 + /* Receive descriptor is empty now */
1434 + netif_rx_complete(dev);
1435 + /* enable receive interrupt */
1436 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000); /* enable rx interrupt */
1437 + return 0;
1438 + }
1439 + else
1440 + {
1441 + return -1;
1442 + }
1443 +}
1444 +
1445 +#endif
1446 +
1447 +static void gmac_rx_packet(struct net_device *dev)
1448 +{
1449 + struct gmac_private *tp = dev->priv;
1450 + struct sk_buff *skb;
1451 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
1452 + GMAC_RXDMA_FIRST_DESC_T rxdma_busy;
1453 + GMAC_DESCRIPTOR_T *rx_desc;
1454 + unsigned int pkt_size;
1455 + unsigned int desc_count;
1456 + unsigned int vid;
1457 +// unsigned int priority;
1458 + unsigned int own;
1459 + unsigned int good_frame = 0;
1460 + unsigned int i,index;
1461 + unsigned int dev_index;
1462 +
1463 + dev_index = gmac_select_interface(dev);
1464 +
1465 + for (i=0;i<256;i++)
1466 + {
1467 + own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
1468 + if (own == CPU) /* check owner bit */
1469 + {
1470 + rx_desc = tp->rx_cur_desc;
1471 +#if (GMAC_DEBUG==1)
1472 + /* check error interrupt */
1473 + if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
1474 + {
1475 + printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
1476 + }
1477 +#endif
1478 + /* get frame information from the first descriptor of the frame */
1479 + pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4; /*total byte count in a frame*/
1480 +#if (GMAC_DEBUG==1)
1481 + priority = rx_desc->flag_status.bits_rx_status.priority; /* 802.1p priority */
1482 +#endif
1483 + vid = rx_desc->flag_status.bits_rx_status.vlan_id; /* 802.1q vlan id */
1484 + if (vid == 0)
1485 + {
1486 + vid = 1; /* default vlan */
1487 + }
1488 + desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
1489 +
1490 + if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
1491 + {
1492 + tp->stats.rx_bytes += pkt_size;
1493 + tp->stats.rx_packets++;
1494 + good_frame = 1;
1495 + }
1496 + else
1497 + {
1498 + tp->stats.rx_errors++;
1499 + good_frame = 0;
1500 + printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
1501 + }
1502 + }
1503 + else
1504 + {
1505 + break; /* Rx process is completed */
1506 + }
1507 +
1508 + if (good_frame == 1)
1509 + {
1510 + /* get rx skb buffer index */
1511 + index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1512 + if (rx_skb[dev_index][index])
1513 + {
1514 + skb_reserve (rx_skb[dev_index][index], 2); /* 16 byte align the IP fields. */
1515 + rx_skb[dev_index][index]->dev = dev;
1516 + rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
1517 + skb_put(rx_skb[dev_index][index],pkt_size);
1518 + rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
1519 + netif_rx(rx_skb[dev_index][index]); /* socket rx */
1520 + dev->last_rx = jiffies;
1521 +
1522 + /* allocate rx skb buffer */
1523 + if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */
1524 + {
1525 + printk("%s::skb buffer allocation fail !\n",__func__);
1526 + }
1527 + rx_skb[dev_index][index] = skb;
1528 + tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */
1529 + }
1530 + else
1531 + {
1532 + printk("%s::rx skb index error !\n",__func__);
1533 + }
1534 + }
1535 +
1536 + tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
1537 + /* point to next rx descriptor */
1538 + tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
1539 +
1540 + /* release buffer to Remaining Buffer Number Register */
1541 + if (flow_control_enable[dev_index] ==1)
1542 + {
1543 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
1544 + }
1545 + }
1546 +
1547 + /* if RX DMA process is stoped , restart it */
1548 + rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
1549 + if (rxdma_busy.bits.rd_busy == 0)
1550 + {
1551 + rxdma_ctrl.bits32 = 0;
1552 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
1553 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
1554 + rxdma_ctrl_mask.bits32 = 0;
1555 + rxdma_ctrl_mask.bits.rd_start = 1;
1556 + rxdma_ctrl_mask.bits.rd_continue = 1;
1557 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
1558 + }
1559 +}
1560 +
1561 +#ifdef CONFIG_SL2312_MPAGE
1562 +static inline void free_tx_buf(int dev_index, int desc_index)
1563 +{
1564 + if (tx_skb[dev_index][desc_index].freeable &&
1565 + tx_skb[dev_index][desc_index].skb) {
1566 + struct sk_buff* skb = tx_skb[dev_index][desc_index].skb;
1567 + //printk("free_skb %x, len %d\n", skb, skb->len);
1568 +#ifdef CONFIG_TXINT_DISABLE
1569 + dev_kfree_skb(skb);
1570 +#else
1571 + dev_kfree_skb_irq(skb);
1572 +#endif
1573 + tx_skb[dev_index][desc_index].skb = 0;
1574 + }
1575 +}
1576 +
1577 +#ifdef CONFIG_TXINT_DISABLE
1578 +static void gmac_tx_packet_complete(struct net_device *dev)
1579 +{
1580 + struct gmac_private *tp = dev->priv;
1581 + GMAC_DESCRIPTOR_T *tx_hw_complete_desc, *next_desc;
1582 + unsigned int desc_cnt=0;
1583 + unsigned int i,index,dev_index;
1584 + unsigned int tx_current_descriptor = 0;
1585 + // int own_dma = 0;
1586 +
1587 + dev_index = gmac_select_interface(dev);
1588 +
1589 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1590 + if (tx_skb[dev_index][index].desc_in_use && tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU) {
1591 + free_tx_buf(dev_index, index);
1592 + tx_skb[dev_index][index].desc_in_use = 0;
1593 + }
1594 + next_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
1595 +
1596 + for (;;) {
1597 + tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
1598 + if (next_desc == tx_hw_complete_desc)
1599 + break;
1600 + if (next_desc->frame_ctrl.bits_tx_in.own == CPU) {
1601 + if (next_desc->frame_ctrl.bits_tx_in.success_tx == 1) {
1602 + tp->stats.tx_bytes += next_desc->flag_status.bits_tx_flag.frame_count;
1603 + tp->stats.tx_packets ++;
1604 + } else {
1605 + tp->stats.tx_errors++;
1606 + }
1607 + desc_cnt = next_desc->frame_ctrl.bits_tx_in.desc_count;
1608 + for (i=1; i<desc_cnt; i++) {
1609 + /* get tx skb buffer index */
1610 + index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1611 + next_desc->frame_ctrl.bits_tx_in.own = CPU;
1612 + free_tx_buf(dev_index, index);
1613 + tx_skb[dev_index][index].desc_in_use = 0;
1614 + tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1);
1615 + /* release Tx descriptor to CPU */
1616 + next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1617 + }
1618 + /* get tx skb buffer index */
1619 + index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1620 + /* free skb buffer */
1621 + next_desc->frame_ctrl.bits_tx_in.own = CPU;
1622 + free_tx_buf(dev_index, index);
1623 + tx_skb[dev_index][index].desc_in_use = 0;
1624 + tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1);
1625 + tp->tx_finished_desc = next_desc;
1626 +// printk("finish tx_desc index %d\n", index);
1627 + next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1628 + }
1629 + else
1630 + break;
1631 + }
1632 + if (netif_queue_stopped(dev))
1633 + {
1634 + netif_wake_queue(dev);
1635 + }
1636 +
1637 +}
1638 +#else
1639 +static void gmac_tx_packet_complete(struct net_device *dev)
1640 +{
1641 + struct gmac_private *tp = dev->priv;
1642 + GMAC_DESCRIPTOR_T *tx_hw_complete_desc;
1643 + unsigned int desc_cnt=0;
1644 + unsigned int i,index,dev_index;
1645 + unsigned int tx_current_descriptor = 0;
1646 + // int own_dma = 0;
1647 +
1648 + dev_index = gmac_select_interface(dev);
1649 +
1650 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1651 +
1652 + /* check tx status and accumulate tx statistics */
1653 + for (;;)
1654 + {
1655 +
1656 + for (i=0;i<1000;i++)
1657 + {
1658 + tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC);
1659 + if ( ((tx_current_descriptor & 0x00000003)==0x00000003) || /* only one descriptor */
1660 + ((tx_current_descriptor & 0x00000003)==0x00000001) ) /* the last descriptor */
1661 + {
1662 + break;
1663 + }
1664 + udelay(1);
1665 + }
1666 + if (i==1000)
1667 + {
1668 +// gmac_dump_register(dev);
1669 +// printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor);
1670 +// printk_all(dev_index, tp);
1671 + continue;
1672 + }
1673 +
1674 + /* get tx H/W completed descriptor virtual address */
1675 + tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((tx_current_descriptor & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
1676 +// tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
1677 + if (tp->tx_finished_desc == tx_hw_complete_desc ) // ||
1678 + //tx_skb[dev_index][index].desc_in_use ) /* complete tx processing */
1679 + {
1680 + break;
1681 + }
1682 +
1683 + for (;;)
1684 + {
1685 + if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU)
1686 + {
1687 + #if (GMAC_DEBUG==1)
1688 + if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) ||
1689 + (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) )
1690 + {
1691 + printk("%s::Descriptor Processing Error !!!\n",__func__);
1692 + }
1693 + #endif
1694 + if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1)
1695 + {
1696 + tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count;
1697 + tp->stats.tx_packets ++;
1698 + }
1699 + else
1700 + {
1701 + tp->stats.tx_errors++;
1702 + }
1703 + desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count;
1704 + for (i=1; i<desc_cnt; i++) /* multi-descriptor in one packet */
1705 + {
1706 + /* get tx skb buffer index */
1707 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1708 + tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
1709 + free_tx_buf(dev_index, index);
1710 + tx_skb[dev_index][index].desc_in_use = 0;
1711 + /* release Tx descriptor to CPU */
1712 + tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1713 + }
1714 + /* get tx skb buffer index */
1715 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1716 + /* free skb buffer */
1717 + tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
1718 + free_tx_buf(dev_index, index);
1719 + tx_skb[dev_index][index].desc_in_use = 0;
1720 + tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1721 +
1722 + if (tp->tx_finished_desc == tx_hw_complete_desc )
1723 + {
1724 + break;
1725 + }
1726 + }
1727 + else
1728 + {
1729 + break;
1730 + }
1731 + }
1732 + }
1733 +
1734 + if (netif_queue_stopped(dev))
1735 + {
1736 + netif_wake_queue(dev);
1737 + }
1738 +
1739 +}
1740 +#endif
1741 +#else
1742 +
1743 +static void gmac_tx_packet_complete(struct net_device *dev)
1744 +{
1745 + struct gmac_private *tp = dev->priv;
1746 + GMAC_DESCRIPTOR_T *tx_hw_complete_desc;
1747 + unsigned int desc_cnt=0;
1748 + unsigned int i,index,dev_index;
1749 +
1750 + dev_index = gmac_select_interface(dev);
1751 +
1752 + /* get tx H/W completed descriptor virtual address */
1753 + tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
1754 + /* check tx status and accumulate tx statistics */
1755 + for (;;)
1756 + {
1757 + if (tp->tx_finished_desc == tx_hw_complete_desc) /* complete tx processing */
1758 + {
1759 + break;
1760 + }
1761 + if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU)
1762 + {
1763 +#if (GMAC_DEBUG==1)
1764 + if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) ||
1765 + (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) )
1766 + {
1767 + printk("%s::Descriptor Processing Error !!!\n",__func__);
1768 + }
1769 +#endif
1770 + if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1)
1771 + {
1772 + tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count;
1773 + tp->stats.tx_packets ++;
1774 + }
1775 + else
1776 + {
1777 + tp->stats.tx_errors++;
1778 + }
1779 + desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count;
1780 + for (i=1; i<desc_cnt; i++) /* multi-descriptor in one packet */
1781 + {
1782 + /* get tx skb buffer index */
1783 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1784 + /* free skb buffer */
1785 + if (tx_skb[dev_index][index])
1786 + {
1787 + dev_kfree_skb_irq(tx_skb[dev_index][index]);
1788 + }
1789 + /* release Tx descriptor to CPU */
1790 + tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1791 + tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
1792 + }
1793 + /* get tx skb buffer index */
1794 + index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
1795 + /* free skb buffer */
1796 + if (tx_skb[dev_index][index])
1797 + {
1798 + dev_kfree_skb_irq(tx_skb[dev_index][index]);
1799 + }
1800 + tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
1801 + }
1802 + }
1803 +
1804 + if (netif_queue_stopped(dev))
1805 + {
1806 + netif_wake_queue(dev);
1807 + }
1808 +
1809 +}
1810 +
1811 +
1812 +#endif
1813 +
1814 +#if 0
1815 +static void gmac_weird_interrupt(struct net_device *dev)
1816 +{
1817 + gmac_dump_register(dev);
1818 +}
1819 +#endif
1820 +
1821 +/* The interrupt handler does all of the Rx thread work and cleans up
1822 + after the Tx thread. */
1823 +static irqreturn_t gmac_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
1824 +{
1825 + struct net_device *dev = (struct net_device *)dev_instance;
1826 + GMAC_RXDMA_FIRST_DESC_T rxdma_busy;
1827 +// GMAC_TXDMA_FIRST_DESC_T txdma_busy;
1828 +// GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask;
1829 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
1830 + GMAC_DMA_STATUS_T status;
1831 + unsigned int i,dev_index;
1832 + int handled = 0;
1833 +
1834 + dev_index = gmac_select_interface(dev);
1835 +
1836 + handled = 1;
1837 +
1838 +#ifdef CONFIG_SL_NAPI
1839 + disable_irq(gmac_irq[dev_index]); /* disable GMAC interrupt */
1840 +
1841 + status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS); /* read DMA status */
1842 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32); /* clear DMA status */
1843 +
1844 + if (status.bits.rx_overrun == 1)
1845 + {
1846 + printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR));
1847 + gmac_dump_register(dev);
1848 + /* if RX DMA process is stoped , restart it */
1849 + rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ;
1850 + if (rxdma_busy.bits.rd_busy == 0)
1851 + {
1852 + /* restart Rx DMA process */
1853 + rxdma_ctrl.bits32 = 0;
1854 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
1855 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
1856 + rxdma_ctrl_mask.bits32 = 0;
1857 + rxdma_ctrl_mask.bits.rd_start = 1;
1858 + rxdma_ctrl_mask.bits.rd_continue = 1;
1859 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
1860 + }
1861 + }
1862 +
1863 + /* process rx packet */
1864 + if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1)))
1865 + {
1866 + if (likely(netif_rx_schedule_prep(dev)))
1867 + {
1868 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0,0x0007c000); /* disable rx interrupt */
1869 + __netif_rx_schedule(dev);
1870 + }
1871 + }
1872 +#ifndef CONFIG_TXINT_DISABLE
1873 + /* process tx packet */
1874 + if (netif_running(dev) && ((status.bits.ts_eofi==1)||(status.bits.ts_finish==1)))
1875 + {
1876 + gmac_tx_packet_complete(dev);
1877 + }
1878 +#endif
1879 +
1880 + enable_irq(gmac_irq[dev_index]); /* enable GMAC interrupt */
1881 + return IRQ_RETVAL(handled);
1882 +#endif
1883 +
1884 + /* disable GMAC interrupt */
1885 + disable_irq(gmac_irq[dev_index]);
1886 + for (i=0;i<MAX_ISR_WORK;i++)
1887 + {
1888 + /* read DMA status */
1889 + status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS);
1890 +int_status = status.bits32;
1891 + /* clear DMA status */
1892 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32);
1893 +
1894 + if ((status.bits32 & 0xffffc000)==0)
1895 + {
1896 + break;
1897 + }
1898 +
1899 + if (status.bits.rx_overrun == 1)
1900 + {
1901 + printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR));
1902 + gmac_dump_register(dev);
1903 + /* if RX DMA process is stoped , restart it */
1904 + rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ;
1905 + if (rxdma_busy.bits.rd_busy == 0)
1906 + {
1907 + /* restart Rx DMA process */
1908 + rxdma_ctrl.bits32 = 0;
1909 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
1910 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
1911 + rxdma_ctrl_mask.bits32 = 0;
1912 + rxdma_ctrl_mask.bits.rd_start = 1;
1913 + rxdma_ctrl_mask.bits.rd_continue = 1;
1914 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
1915 + }
1916 + }
1917 +
1918 + /* receive rx interrupt */
1919 + if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1)))
1920 + {
1921 + gmac_rx_packet(dev);
1922 +// gmac_tx_packet_complete(dev);
1923 + }
1924 +
1925 + /* receive tx interrupt */
1926 + // if (netif_running(dev) && (status.bits.ts_finish==1))
1927 +#ifndef CONFIG_TXINT_DISABLE
1928 + if (netif_running(dev) && ((status.bits.ts_eofi==1)||
1929 + (status.bits.ts_finish==1)))
1930 + {
1931 + gmac_tx_packet_complete(dev);
1932 + }
1933 +#endif
1934 + /* check uncommon events */
1935 +/* if ((status.bits32 & 0x632fc000)!=0)
1936 + {
1937 + printk("%s::DMA Status = %08x \n",__func__,status.bits32);
1938 + gmac_weird_interrupt(dev);
1939 + }
1940 +*/
1941 + }
1942 +
1943 + /* enable GMAC interrupt */
1944 + enable_irq(gmac_irq[dev_index]);
1945 + //printk("gmac_interrupt complete!\n\n");
1946 + return IRQ_RETVAL(handled);
1947 +}
1948 +
1949 +static void gmac_hw_start(struct net_device *dev)
1950 +{
1951 + struct gmac_private *tp = dev->priv;
1952 + GMAC_TXDMA_CURR_DESC_T tx_desc;
1953 + GMAC_RXDMA_CURR_DESC_T rx_desc;
1954 + GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask;
1955 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
1956 + GMAC_DMA_STATUS_T dma_status,dma_status_mask;
1957 + int dev_index;
1958 +
1959 + dev_index = gmac_select_interface(dev);
1960 +
1961 + /* program TxDMA Current Descriptor Address register for first descriptor */
1962 + tx_desc.bits32 = (unsigned int)(tp->tx_desc_dma);
1963 + tx_desc.bits.eofie = 1;
1964 + tx_desc.bits.sof_eof = 0x03;
1965 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC,tx_desc.bits32,0xffffffff);
1966 + gmac_write_reg(gmac_base_addr[dev_index] + 0xff2c,tx_desc.bits32,0xffffffff); /* tx next descriptor address */
1967 +
1968 + /* program RxDMA Current Descriptor Address register for first descriptor */
1969 + rx_desc.bits32 = (unsigned int)(tp->rx_desc_dma);
1970 + rx_desc.bits.eofie = 1;
1971 + rx_desc.bits.sof_eof = 0x03;
1972 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CURR_DESC,rx_desc.bits32,0xffffffff);
1973 + gmac_write_reg(gmac_base_addr[dev_index] + 0xff3c,rx_desc.bits32,0xffffffff); /* rx next descriptor address */
1974 +
1975 + /* enable GMAC interrupt & disable loopback */
1976 + dma_status.bits32 = 0;
1977 + dma_status.bits.loop_back = 0; /* disable DMA loop-back mode */
1978 +// dma_status.bits.m_tx_fail = 1;
1979 + dma_status.bits.m_cnt_full = 1;
1980 + dma_status.bits.m_rx_pause_on = 1;
1981 + dma_status.bits.m_tx_pause_on = 1;
1982 + dma_status.bits.m_rx_pause_off = 1;
1983 + dma_status.bits.m_tx_pause_off = 1;
1984 + dma_status.bits.m_rx_overrun = 1;
1985 + dma_status.bits.m_link_change = 1;
1986 + dma_status_mask.bits32 = 0;
1987 + dma_status_mask.bits.loop_back = 1;
1988 +// dma_status_mask.bits.m_tx_fail = 1;
1989 + dma_status_mask.bits.m_cnt_full = 1;
1990 + dma_status_mask.bits.m_rx_pause_on = 1;
1991 + dma_status_mask.bits.m_tx_pause_on = 1;
1992 + dma_status_mask.bits.m_rx_pause_off = 1;
1993 + dma_status_mask.bits.m_tx_pause_off = 1;
1994 + dma_status_mask.bits.m_rx_overrun = 1;
1995 + dma_status_mask.bits.m_link_change = 1;
1996 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,dma_status.bits32,dma_status_mask.bits32);
1997 +
1998 + /* program tx dma control register */
1999 + txdma_ctrl.bits32 = 0;
2000 + txdma_ctrl.bits.td_start = 0; /* start TX DMA transfer */
2001 + txdma_ctrl.bits.td_continue = 0; /* continue Tx DMA operation */
2002 + txdma_ctrl.bits.td_chain_mode = 1; /* chain mode */
2003 + txdma_ctrl.bits.td_prot = 0;
2004 + txdma_ctrl.bits.td_burst_size = 2; /* DMA burst size for every AHB request */
2005 + txdma_ctrl.bits.td_bus = 2; /* peripheral bus width */
2006 + txdma_ctrl.bits.td_endian = 0; /* little endian */
2007 +#ifdef CONFIG_TXINT_DISABLE
2008 + txdma_ctrl.bits.td_finish_en = 0; /* DMA finish event interrupt disable */
2009 +#else
2010 + txdma_ctrl.bits.td_finish_en = 1; /* DMA finish event interrupt enable */
2011 +#endif
2012 + txdma_ctrl.bits.td_fail_en = 1; /* DMA fail interrupt enable */
2013 + txdma_ctrl.bits.td_perr_en = 1; /* protocol failure interrupt enable */
2014 + txdma_ctrl.bits.td_eod_en = 0; /* disable Tx End of Descriptor Interrupt */
2015 + //txdma_ctrl.bits.td_eod_en = 0; /* disable Tx End of Descriptor Interrupt */
2016 +#ifdef CONFIG_TXINT_DISABLE
2017 + txdma_ctrl.bits.td_eof_en = 0; /* end of frame interrupt disable */
2018 +#else
2019 + txdma_ctrl.bits.td_eof_en = 1; /* end of frame interrupt enable */
2020 +#endif
2021 + txdma_ctrl_mask.bits32 = 0;
2022 + txdma_ctrl_mask.bits.td_start = 1;
2023 + txdma_ctrl_mask.bits.td_continue = 1;
2024 + txdma_ctrl_mask.bits.td_chain_mode = 1;
2025 + txdma_ctrl_mask.bits.td_prot = 15;
2026 + txdma_ctrl_mask.bits.td_burst_size = 3;
2027 + txdma_ctrl_mask.bits.td_bus = 3;
2028 + txdma_ctrl_mask.bits.td_endian = 1;
2029 + txdma_ctrl_mask.bits.td_finish_en = 1;
2030 + txdma_ctrl_mask.bits.td_fail_en = 1;
2031 + txdma_ctrl_mask.bits.td_perr_en = 1;
2032 + txdma_ctrl_mask.bits.td_eod_en = 1;
2033 + //txdma_ctrl_mask.bits.td_eod_en = 1;
2034 + txdma_ctrl_mask.bits.td_eof_en = 1;
2035 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32);
2036 +
2037 + /* program rx dma control register */
2038 + rxdma_ctrl.bits32 = 0;
2039 + rxdma_ctrl.bits.rd_start = 1; /* start RX DMA transfer */
2040 + rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
2041 + rxdma_ctrl.bits.rd_chain_mode = 1; /* chain mode */
2042 + rxdma_ctrl.bits.rd_prot = 0;
2043 + rxdma_ctrl.bits.rd_burst_size = 2; /* DMA burst size for every AHB request */
2044 + rxdma_ctrl.bits.rd_bus = 2; /* peripheral bus width */
2045 + rxdma_ctrl.bits.rd_endian = 0; /* little endian */
2046 + rxdma_ctrl.bits.rd_finish_en = 1; /* DMA finish event interrupt enable */
2047 + rxdma_ctrl.bits.rd_fail_en = 1; /* DMA fail interrupt enable */
2048 + rxdma_ctrl.bits.rd_perr_en = 1; /* protocol failure interrupt enable */
2049 + rxdma_ctrl.bits.rd_eod_en = 0; /* disable Rx End of Descriptor Interrupt */
2050 + rxdma_ctrl.bits.rd_eof_en = 1; /* end of frame interrupt enable */
2051 + rxdma_ctrl_mask.bits32 = 0;
2052 + rxdma_ctrl_mask.bits.rd_start = 1;
2053 + rxdma_ctrl_mask.bits.rd_continue = 1;
2054 + rxdma_ctrl_mask.bits.rd_chain_mode = 1;
2055 + rxdma_ctrl_mask.bits.rd_prot = 15;
2056 + rxdma_ctrl_mask.bits.rd_burst_size = 3;
2057 + rxdma_ctrl_mask.bits.rd_bus = 3;
2058 + rxdma_ctrl_mask.bits.rd_endian = 1;
2059 + rxdma_ctrl_mask.bits.rd_finish_en = 1;
2060 + rxdma_ctrl_mask.bits.rd_fail_en = 1;
2061 + rxdma_ctrl_mask.bits.rd_perr_en = 1;
2062 + rxdma_ctrl_mask.bits.rd_eod_en = 1;
2063 + rxdma_ctrl_mask.bits.rd_eof_en = 1;
2064 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
2065 + return;
2066 +}
2067 +
2068 +static void gmac_hw_stop(struct net_device *dev)
2069 +{
2070 + GMAC_TXDMA_CTRL_T txdma_ctrl,txdma_ctrl_mask;
2071 + GMAC_RXDMA_CTRL_T rxdma_ctrl,rxdma_ctrl_mask;
2072 + int dev_index;
2073 +
2074 + dev_index = gmac_select_interface(dev);
2075 +
2076 + /* program tx dma control register */
2077 + txdma_ctrl.bits32 = 0;
2078 + txdma_ctrl.bits.td_start = 0;
2079 + txdma_ctrl.bits.td_continue = 0;
2080 + txdma_ctrl_mask.bits32 = 0;
2081 + txdma_ctrl_mask.bits.td_start = 1;
2082 + txdma_ctrl_mask.bits.td_continue = 1;
2083 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32);
2084 + /* program rx dma control register */
2085 + rxdma_ctrl.bits32 = 0;
2086 + rxdma_ctrl.bits.rd_start = 0; /* stop RX DMA transfer */
2087 + rxdma_ctrl.bits.rd_continue = 0; /* stop continue RX DMA operation */
2088 + rxdma_ctrl_mask.bits32 = 0;
2089 + rxdma_ctrl_mask.bits.rd_start = 1;
2090 + rxdma_ctrl_mask.bits.rd_continue = 1;
2091 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
2092 +}
2093 +
2094 +static int gmac_init_desc_buf(struct net_device *dev)
2095 +{
2096 + struct gmac_private *tp = dev->priv;
2097 + struct sk_buff *skb;
2098 + dma_addr_t tx_first_desc_dma=0;
2099 + dma_addr_t rx_first_desc_dma=0;
2100 + dma_addr_t rx_first_buf_dma=0;
2101 + unsigned int i,index;
2102 +
2103 + printk("Descriptor buffer init......\n");
2104 +
2105 + /* get device index number */
2106 + index = gmac_get_dev_index(dev);
2107 +#ifdef CONFIG_SL2312_MPAGE
2108 + for (i=0; i<TX_DESC_NUM; i++) {
2109 + tx_skb[index][i].freeable = 0;
2110 + tx_skb[index][i].skb = 0;
2111 + tx_skb[index][i].desc_in_use = 0;
2112 + tx_skb[index][i].end_seq = 0;
2113 + }
2114 +#else
2115 + for (i=0;i<TX_DESC_NUM;i++)
2116 + {
2117 + tx_skb[index][i] = NULL;
2118 + }
2119 +#endif
2120 + for (i=0;i<RX_DESC_NUM;i++)
2121 + {
2122 + rx_skb[index][i] = NULL;
2123 + }
2124 +
2125 + /* allocates TX/RX descriptors */
2126 + tp->tx_desc = DMA_MALLOC(TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->tx_desc_dma);
2127 + tx_desc_virtual_base[index] = (unsigned int)tp->tx_desc - (unsigned int)tp->tx_desc_dma;
2128 + memset(tp->tx_desc,0x00,TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T));
2129 + tp->rx_desc = DMA_MALLOC(RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->rx_desc_dma);
2130 + rx_desc_virtual_base[index] = (unsigned int)tp->rx_desc - (unsigned int)tp->rx_desc_dma;
2131 + memset(tp->rx_desc,0x00,RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T));
2132 + tx_desc_start_adr[index] = (unsigned int)tp->tx_desc; /* for tx skb index calculation */
2133 + rx_desc_start_adr[index] = (unsigned int)tp->rx_desc; /* for rx skb index calculation */
2134 + printk("tx_desc = %08x\n",(unsigned int)tp->tx_desc);
2135 + printk("rx_desc = %08x\n",(unsigned int)tp->rx_desc);
2136 + printk("tx_desc_dma = %08x\n",tp->tx_desc_dma);
2137 + printk("rx_desc_dma = %08x\n",tp->rx_desc_dma);
2138 +
2139 + if (tp->tx_desc==0x00 || tp->rx_desc==0x00)
2140 + {
2141 + free_irq(dev->irq, dev);
2142 +
2143 + if (tp->tx_desc)
2144 + DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->tx_desc_dma);
2145 + if (tp->rx_desc)
2146 + DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->rx_desc_dma);
2147 + return -ENOMEM;
2148 + }
2149 +
2150 + /* TX descriptors initial */
2151 + tp->tx_cur_desc = tp->tx_desc; /* virtual address */
2152 + tp->tx_finished_desc = tp->tx_desc; /* virtual address */
2153 + tx_first_desc_dma = tp->tx_desc_dma; /* physical address */
2154 + for (i = 1; i < TX_DESC_NUM; i++)
2155 + {
2156 + tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU; /* set owner to CPU */
2157 + tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE; /* set tx buffer size for descriptor */
2158 + tp->tx_desc_dma = tp->tx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next tx descriptor DMA address */
2159 + tp->tx_desc->next_desc.next_descriptor = tp->tx_desc_dma | 0x0000000b;
2160 + tp->tx_desc = &tp->tx_desc[1] ; /* next tx descriptor virtual address */
2161 + }
2162 + /* the last descriptor will point back to first descriptor */
2163 + tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU;
2164 + tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE;
2165 + tp->tx_desc->next_desc.next_descriptor = tx_first_desc_dma | 0x0000000b;
2166 + tp->tx_desc = tp->tx_cur_desc;
2167 + tp->tx_desc_dma = tx_first_desc_dma;
2168 +
2169 + /* RX descriptors initial */
2170 + tp->rx_cur_desc = tp->rx_desc; /* virtual address */
2171 + rx_first_desc_dma = tp->rx_desc_dma; /* physical address */
2172 + for (i = 1; i < RX_DESC_NUM; i++)
2173 + {
2174 + if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */
2175 + {
2176 + printk("%s::skb buffer allocation fail !\n",__func__);
2177 + }
2178 + rx_skb[index][i-1] = skb;
2179 + tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */
2180 + tp->rx_desc->frame_ctrl.bits_rx.own = DMA; /* set owner bit to DMA */
2181 + tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE; /* set rx buffer size for descriptor */
2182 + tp->rx_bufs_dma = tp->rx_bufs_dma + RX_BUF_SIZE; /* point to next buffer address */
2183 + tp->rx_desc_dma = tp->rx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next rx descriptor DMA address */
2184 + tp->rx_desc->next_desc.next_descriptor = tp->rx_desc_dma | 0x0000000b;
2185 + tp->rx_desc = &tp->rx_desc[1]; /* next rx descriptor virtual address */
2186 + }
2187 + /* the last descriptor will point back to first descriptor */
2188 + if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL) /* allocate socket buffer */
2189 + {
2190 + printk("%s::skb buffer allocation fail !\n",__func__);
2191 + }
2192 + rx_skb[index][i-1] = skb;
2193 + tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02; /* insert two bytes in the beginning of rx data */
2194 + tp->rx_desc->frame_ctrl.bits_rx.own = DMA;
2195 + tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE;
2196 + tp->rx_desc->next_desc.next_descriptor = rx_first_desc_dma | 0x0000000b;
2197 + tp->rx_desc = tp->rx_cur_desc;
2198 + tp->rx_desc_dma = rx_first_desc_dma;
2199 + tp->rx_bufs_dma = rx_first_buf_dma;
2200 +
2201 + for (i=0; i<GMAC_PHY_IF; i++) {
2202 + tp->tx_desc_hdr[i] = 0;
2203 + tp->tx_desc_tail[i] = 0;
2204 + }
2205 + return (0);
2206 +}
2207 +
2208 +static int gmac_clear_counter (struct net_device *dev)
2209 +{
2210 + struct gmac_private *tp = dev->priv;
2211 + unsigned int dev_index;
2212 +
2213 + dev_index = gmac_select_interface(dev);
2214 +// tp = gmac_dev[index]->priv;
2215 + /* clear counter */
2216 + gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS);
2217 + gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS);
2218 + tp->stats.tx_bytes = 0;
2219 + tp->stats.tx_packets = 0;
2220 + tp->stats.tx_errors = 0;
2221 + tp->stats.rx_bytes = 0;
2222 + tp->stats.rx_packets = 0;
2223 + tp->stats.rx_errors = 0;
2224 + tp->stats.rx_dropped = 0;
2225 + return (0);
2226 +}
2227 +
2228 +static int gmac_open (struct net_device *dev)
2229 +{
2230 + struct gmac_private *tp = dev->priv;
2231 + int retval;
2232 +
2233 + gmac_select_interface(dev);
2234 +
2235 + /* chip reset */
2236 + gmac_sw_reset(dev);
2237 +
2238 + /* allocates tx/rx descriptor and buffer memory */
2239 + gmac_init_desc_buf(dev);
2240 +
2241 + /* get mac address from FLASH */
2242 + gmac_get_mac_address();
2243 +
2244 + /* set PHY register to start autonegition process */
2245 + gmac_set_phy_status(dev);
2246 +
2247 + /* GMAC initialization */
2248 + if (gmac_init_chip(dev))
2249 + {
2250 + printk (KERN_ERR "GMAC init fail\n");
2251 + }
2252 +
2253 + /* start DMA process */
2254 + gmac_hw_start(dev);
2255 +
2256 + /* enable tx/rx register */
2257 + gmac_enable_tx_rx(dev);
2258 +
2259 + /* clear statistic counter */
2260 + gmac_clear_counter(dev);
2261 +
2262 + netif_start_queue (dev);
2263 +
2264 + /* hook ISR */
2265 + retval = request_irq (dev->irq, gmac_interrupt, SA_INTERRUPT, dev->name, dev);
2266 + if (retval)
2267 + return retval;
2268 +
2269 + if(!FLAG_SWITCH)
2270 + {
2271 + init_waitqueue_head (&tp->thr_wait);
2272 + init_completion(&tp->thr_exited);
2273 +
2274 + tp->time_to_die = 0;
2275 + tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES);
2276 + if (tp->thr_pid < 0)
2277 + {
2278 + printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name);
2279 + }
2280 + }
2281 + return (0);
2282 +}
2283 +
2284 +static int gmac_close(struct net_device *dev)
2285 +{
2286 + struct gmac_private *tp = dev->priv;
2287 + unsigned int i,dev_index;
2288 + unsigned int ret;
2289 +
2290 + dev_index = gmac_get_dev_index(dev);
2291 +
2292 + /* stop tx/rx packet */
2293 + gmac_disable_tx_rx(dev);
2294 +
2295 + /* stop the chip's Tx and Rx DMA processes */
2296 + gmac_hw_stop(dev);
2297 +
2298 + netif_stop_queue(dev);
2299 +
2300 + /* disable interrupts by clearing the interrupt mask */
2301 + synchronize_irq();
2302 + free_irq(dev->irq,dev);
2303 +
2304 + DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->tx_desc_dma);
2305 + DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->rx_desc_dma);
2306 +
2307 +#ifdef CONFIG_SL2312_MPAGE
2308 +// kfree(tx_skb);
2309 +#endif
2310 +
2311 + for (i=0;i<RX_DESC_NUM;i++)
2312 + {
2313 + if (rx_skb[dev_index][i])
2314 + {
2315 + dev_kfree_skb(rx_skb[dev_index][i]);
2316 + }
2317 + }
2318 + if(!FLAG_SWITCH)
2319 + {
2320 + if (tp->thr_pid >= 0)
2321 + {
2322 + tp->time_to_die = 1;
2323 + wmb();
2324 + ret = kill_proc (tp->thr_pid, SIGTERM, 1);
2325 + if (ret)
2326 + {
2327 + printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
2328 + return ret;
2329 + }
2330 +// wait_for_completion (&tp->thr_exited);
2331 + }
2332 + }
2333 +
2334 + return (0);
2335 +}
2336 +
2337 +#ifdef CONFIG_SL2312_MPAGE
2338 +int printk_all(int dev_index, struct gmac_private* tp)
2339 +{
2340 + int i=0;
2341 + unsigned int tx_current_descriptor = 0;
2342 + int hw_index;
2343 + int fi;
2344 + GMAC_DESCRIPTOR_T* tmp_desc;
2345 +
2346 + GMAC_DESCRIPTOR_T* cur_desc=tp->tx_cur_desc;
2347 + fi = ((unsigned int)cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2348 + printk("tmp_desc %x, id %d\n", (int)cur_desc, fi);
2349 +
2350 + tmp_desc = (GMAC_DESCRIPTOR_T*)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2351 + hw_index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/ sizeof(GMAC_DESCRIPTOR_T);
2352 + printk("hd_desc %x, ind %d, fin desc %x\n",(int)tmp_desc, hw_index, (int)tp->tx_finished_desc);
2353 +
2354 + for (i=0; i<TX_DESC_NUM; i++) {
2355 + printk("**id %4d, hw_index %4d ==> ", fi, hw_index);
2356 + printk("fc %8x ", tmp_desc->frame_ctrl.bits32);
2357 + printk("fs %8x ", tmp_desc->flag_status.bits32);
2358 + printk("fb %8x ", tmp_desc->buf_adr);
2359 + printk("fd %8x\n", tmp_desc->next_desc.next_descriptor);
2360 + tmp_desc = (GMAC_DESCRIPTOR_T*)((tmp_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2361 + fi = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2362 + }
2363 + tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC);
2364 + printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor);
2365 + printk("%s: interrupt status = %x \n",__func__,int_status);
2366 + return 0;
2367 +}
2368 +
2369 +int cleanup_desc(int dev_index, struct gmac_private* tp)
2370 +{
2371 + int i=0;
2372 + int index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T);
2373 + GMAC_DESCRIPTOR_T* fill_desc = tp->tx_cur_desc;
2374 +
2375 + for (i=0; i< TX_DESC_NUM; i++)
2376 + {
2377 + fill_desc->frame_ctrl.bits_tx_out.own = CPU;
2378 + fill_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE;
2379 + tx_skb[dev_index][index].desc_in_use = 0;
2380 + free_tx_buf(dev_index, index);
2381 + printk("cleanup di %d\n", index);
2382 + fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2383 + index++;
2384 + if (index > TX_DESC_NUM)
2385 + index = 0;
2386 + }
2387 + return 1;
2388 +}
2389 +
2390 +size_t get_available_tx_desc(struct net_device* dev, int dev_index)
2391 +{
2392 + struct gmac_private *tp = dev->priv;
2393 + unsigned int desc_hdr = tp->tx_desc_hdr[dev_index];
2394 + unsigned int desc_tail = tp->tx_desc_tail[dev_index];
2395 + int available_desc_num = (TX_DESC_NUM - desc_hdr + desc_tail) & (TX_DESC_NUM-1);
2396 + if (!available_desc_num) {
2397 + if (tx_skb[dev_index][desc_hdr].desc_in_use)
2398 + return 0;
2399 + else
2400 + return TX_DESC_NUM;
2401 + }
2402 + return available_desc_num;
2403 +}
2404 +
2405 +int check_free_tx_desc(int dev_index, int n, GMAC_DESCRIPTOR_T* desc)
2406 +{
2407 + int i,index;
2408 + GMAC_DESCRIPTOR_T* tmp_desc = desc;
2409 +
2410 + if (n > TX_DESC_NUM)
2411 + return 0;
2412 +
2413 + index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T);
2414 + for (i=0; i<n; i++)
2415 + {
2416 + if (tx_skb[dev_index][index].desc_in_use)
2417 + {
2418 + printk("sw desc %d is in use\n", index);
2419 + /* cleanup all the descriptors to check if DMA still running */
2420 + return 0;
2421 + }
2422 + index++;
2423 + if (index == TX_DESC_NUM)
2424 + index = 0;
2425 + }
2426 + return 1;
2427 +}
2428 +
2429 +#define TCPHDRLEN(tcp_hdr) ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F)
2430 +
2431 +inline int fill_in_desc(int dev_index, GMAC_DESCRIPTOR_T *desc, char* data, int len, int total_len, int sof, int freeable, int ownership, struct sk_buff* skb)
2432 +{
2433 + int index = ((unsigned int)desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2434 +
2435 + if (desc->frame_ctrl.bits_tx_in.own == CPU)
2436 + {
2437 + tx_skb[dev_index][index].freeable = freeable;
2438 + if ((sof & 0x01) && skb) {
2439 + tx_skb[dev_index][index].skb = skb;
2440 + }
2441 + else
2442 + tx_skb[dev_index][index].skb = 0;
2443 +
2444 + if (sof != 2)
2445 + tx_skb[dev_index][index].desc_in_use = 1;
2446 + else
2447 + tx_skb[dev_index][index].desc_in_use = 0;
2448 +
2449 + consistent_sync(data, len, PCI_DMA_TODEVICE);
2450 + desc->buf_adr = (unsigned int)__pa(data);
2451 + desc->frame_ctrl.bits_tx_out.buffer_size = len;
2452 + desc->flag_status.bits_tx_flag.frame_count = total_len;
2453 + desc->next_desc.bits.eofie = 1;
2454 + desc->next_desc.bits.sof_eof = sof;
2455 + desc->frame_ctrl.bits_tx_out.vlan_enable = 0;
2456 + desc->frame_ctrl.bits_tx_out.ip_csum_en = 1; /* TSS IPv4 IP header checksum enable */
2457 + desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 1; /* TSS IPv6 tx enable */
2458 + desc->frame_ctrl.bits_tx_out.tcp_csum_en = 1; /* TSS TCP checksum enable */
2459 + desc->frame_ctrl.bits_tx_out.udp_csum_en = 1; /* TSS UDP checksum enable */
2460 + wmb();
2461 + desc->frame_ctrl.bits_tx_out.own = ownership;
2462 +// consistent_sync(desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
2463 + }
2464 + return 0;
2465 +}
2466 +#endif
2467 +
2468 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
2469 +{
2470 + struct gmac_private *tp = dev->priv;
2471 + GMAC_TXDMA_CTRL_T tx_ctrl,tx_ctrl_mask;
2472 + GMAC_TXDMA_FIRST_DESC_T txdma_busy;
2473 + unsigned int len = skb->len;
2474 + unsigned int dev_index;
2475 + static unsigned int pcount = 0;
2476 +#ifdef CONFIG_SL2312_MPAGE
2477 + GMAC_DESCRIPTOR_T *fill_desc;
2478 + int snd_pages = skb_shinfo(skb)->nr_frags; /* get number of descriptor */
2479 + int desc_needed = 1; // for jumbo packet, one descriptor is enough.
2480 + int header_len = skb->len;
2481 + struct iphdr *ip_hdr;
2482 + struct tcphdr *tcp_hdr;
2483 + int tcp_hdr_len;
2484 + int data_len;
2485 + int prv_index;
2486 + long seq_num;
2487 + int first_desc_index;
2488 + int ownership, freeable;
2489 + int eof;
2490 + int i=0;
2491 +#endif
2492 +#ifdef CONFIG_TXINT_DISABLE
2493 + int available_desc_cnt = 0;
2494 +#endif
2495 +
2496 + dev_index = gmac_select_interface(dev);
2497 +
2498 +#ifdef CONFIG_TXINT_DISABLE
2499 + available_desc_cnt = get_available_tx_desc(dev, dev_index);
2500 +
2501 + if (available_desc_cnt < (TX_DESC_NUM >> 2)) {
2502 + gmac_tx_packet_complete(dev);
2503 + }
2504 +#endif
2505 +
2506 +#ifdef CONFIG_SL2312_MPAGE
2507 +
2508 + fill_desc = tp->tx_cur_desc;
2509 + if(!fill_desc) {
2510 + printk("cur_desc is NULL!\n");
2511 + return -1;
2512 + }
2513 +
2514 + if (storlink_ctl.recvfile==2)
2515 + {
2516 + printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len);
2517 + }
2518 +
2519 + if (snd_pages)
2520 + desc_needed += snd_pages; /* decriptors needed for this large packet */
2521 +
2522 + if (!check_free_tx_desc(dev_index, desc_needed, fill_desc)) {
2523 + printk("no available desc!\n");
2524 + gmac_dump_register(dev);
2525 + printk_all(dev_index, tp);
2526 + tp->stats.tx_dropped++;
2527 + if (pcount++ > 10)
2528 + {
2529 + for (;;);
2530 + }
2531 + return -1;
2532 + }
2533 +
2534 + first_desc_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2535 +
2536 + /* check if the tcp packet is in order*/
2537 + ip_hdr = (struct iphdr*) &(skb->data[14]);
2538 + tcp_hdr = (struct tcphdr*) &(skb->data[14+ip_hdr->ihl * 4]);
2539 + tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
2540 + data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len;
2541 +
2542 + prv_index = first_desc_index-1;
2543 + if (prv_index <0)
2544 + prv_index += TX_DESC_NUM;
2545 + seq_num = ntohl(tcp_hdr->seq);
2546 +
2547 + if (snd_pages)
2548 + {
2549 + // calculate header length
2550 + // check fragment total length and header len = skb len - frag len
2551 + // or parse the header.
2552 + for (i=0; i<snd_pages; i++) {
2553 + skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
2554 + header_len -= frag->size;
2555 + }
2556 + ownership = CPU;
2557 + freeable = 0;
2558 + /* fill header into first descriptor */
2559 + fill_in_desc(dev_index, fill_desc, skb->data, header_len, len, 2, freeable, ownership, 0);
2560 + fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2561 + tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len;
2562 +
2563 + eof = 0;
2564 + ownership = DMA;
2565 + for (i=0; i<snd_pages; i++)
2566 + {
2567 + skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
2568 + int start_pos = frag->page_offset;
2569 + char* data_buf = page_address(frag->page);
2570 + int data_size = frag->size;
2571 + int cur_index;
2572 +
2573 + if (i == snd_pages-1)
2574 + {
2575 + eof=1;
2576 + freeable = 1;
2577 + }
2578 + fill_in_desc(dev_index, fill_desc, data_buf+(start_pos), data_size,
2579 + len, eof, freeable, ownership, skb);
2580 + cur_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2581 +
2582 + fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2583 + }
2584 + /* pass the ownership of the first descriptor to hardware */
2585 +// disable_irq(gmac_irq[dev_index]);
2586 + tx_skb[dev_index][first_desc_index].desc_in_use = 1;
2587 + wmb();
2588 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA;
2589 +// consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
2590 + tp->tx_cur_desc = fill_desc;
2591 + dev->trans_start = jiffies;
2592 +// enable_irq(gmac_irq[dev_index]);
2593 + }
2594 + else if ( tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU )
2595 + {
2596 +// tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len;
2597 +// disable_irq(gmac_irq[dev_index]);
2598 + fill_in_desc(dev_index, tp->tx_cur_desc, skb->data, skb->len, skb->len, 3, 1, DMA, skb);
2599 +// enable_irq(gmac_irq[dev_index]);
2600 + //consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
2601 + tp->tx_cur_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
2602 + dev->trans_start = jiffies;
2603 + }
2604 + else
2605 + {
2606 + printk("gmac tx drop!\n");
2607 + tp->stats.tx_dropped++;
2608 + return -1;
2609 + }
2610 +
2611 +#ifdef CONFIG_TXINT_DISABLE
2612 + tp->tx_desc_hdr[dev_index] = (tp->tx_desc_hdr[dev_index] + desc_needed) & (TX_DESC_NUM-1);
2613 +#endif
2614 +
2615 +#else
2616 + if ((tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU) && (len < TX_BUF_SIZE))
2617 + {
2618 + index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
2619 + tx_skb[dev_index][index] = skb;
2620 + consistent_sync(skb->data,skb->len,PCI_DMA_TODEVICE);
2621 + tp->tx_cur_desc->buf_adr = (unsigned int)__pa(skb->data);
2622 + tp->tx_cur_desc->flag_status.bits_tx_flag.frame_count = len; /* total frame byte count */
2623 + tp->tx_cur_desc->next_desc.bits.sof_eof = 0x03; /*only one descriptor*/
2624 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.buffer_size = len; /* descriptor byte count */
2625 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.vlan_enable = 0;
2626 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.ip_csum_en = 0; /* TSS IPv4 IP header checksum enable */
2627 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 0 ; /* TSS IPv6 tx enable */
2628 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.tcp_csum_en = 0; /* TSS TCP checksum enable */
2629 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.udp_csum_en = 0; /* TSS UDP checksum enable */
2630 + wmb();
2631 + tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA; /* set owner bit */
2632 + tp->tx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
2633 + dev->trans_start = jiffies;
2634 + }
2635 + else
2636 + {
2637 + /* no free tx descriptor */
2638 + dev_kfree_skb(skb);
2639 + netif_stop_queue(dev);
2640 + tp->stats.tx_dropped++;
2641 + return (-1);
2642 + }
2643 +#endif
2644 + /* if TX DMA process is stoped , restart it */
2645 + txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC);
2646 + if (txdma_busy.bits.td_busy == 0)
2647 + {
2648 + /* restart DMA process */
2649 + tx_ctrl.bits32 = 0;
2650 + tx_ctrl.bits.td_start = 1;
2651 + tx_ctrl.bits.td_continue = 1;
2652 + tx_ctrl_mask.bits32 = 0;
2653 + tx_ctrl_mask.bits.td_start = 1;
2654 + tx_ctrl_mask.bits.td_continue = 1;
2655 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32);
2656 + }
2657 + return (0);
2658 +}
2659 +
2660 +
2661 +struct net_device_stats * gmac_get_stats(struct net_device *dev)
2662 +{
2663 + struct gmac_private *tp = dev->priv;
2664 + unsigned long flags;
2665 + unsigned int pkt_drop;
2666 + unsigned int pkt_error;
2667 + unsigned int dev_index;
2668 +
2669 + dev_index = gmac_select_interface(dev);
2670 +
2671 +// if (storlink_ctl.recvfile==3)
2672 +// {
2673 +// printk("GMAC_GLOBAL_BASE_ADDR=%x\n", readl(GMAC_GLOBAL_BASE_ADDR+0x30));
2674 +// gmac_dump_register(dev);
2675 +// printk_all(0, dev);
2676 +// }
2677 +
2678 + if (netif_running(dev))
2679 + {
2680 + /* read H/W counter */
2681 + spin_lock_irqsave(&tp->lock,flags);
2682 + pkt_drop = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS);
2683 + pkt_error = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS);
2684 + tp->stats.rx_dropped = tp->stats.rx_dropped + pkt_drop;
2685 + tp->stats.rx_errors = tp->stats.rx_errors + pkt_error;
2686 + spin_unlock_irqrestore(&tp->lock,flags);
2687 + }
2688 + return &tp->stats;
2689 +}
2690 +
2691 +static unsigned const ethernet_polynomial = 0x04c11db7U;
2692 +static inline u32 ether_crc (int length, unsigned char *data)
2693 +{
2694 + int crc = -1;
2695 + unsigned int i;
2696 + unsigned int crc_val=0;
2697 +
2698 + while (--length >= 0) {
2699 + unsigned char current_octet = *data++;
2700 + int bit;
2701 + for (bit = 0; bit < 8; bit++, current_octet >>= 1)
2702 + crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
2703 + ethernet_polynomial : 0);
2704 + }
2705 + crc = ~crc;
2706 + for (i=0;i<32;i++)
2707 + {
2708 + crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i));
2709 + }
2710 + return crc_val;
2711 +}
2712 +
2713 +static void gmac_set_rx_mode(struct net_device *dev)
2714 +{
2715 + GMAC_RX_FLTR_T filter;
2716 + unsigned int mc_filter[2]; /* Multicast hash filter */
2717 + int bit_nr;
2718 + unsigned int i, dev_index;
2719 +
2720 + dev_index = gmac_select_interface(dev);
2721 +
2722 +// printk("%s : dev->flags = %x \n",__func__,dev->flags);
2723 +// dev->flags |= IFF_ALLMULTI; /* temp */
2724 + filter.bits32 = 0;
2725 + filter.bits.error = 0;
2726 + if (dev->flags & IFF_PROMISC)
2727 + {
2728 + filter.bits.error = 1;
2729 + filter.bits.promiscuous = 1;
2730 + filter.bits.broadcast = 1;
2731 + filter.bits.multicast = 1;
2732 + filter.bits.unicast = 1;
2733 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2734 + }
2735 + else if (dev->flags & IFF_ALLMULTI)
2736 + {
2737 + filter.bits.promiscuous = 1;
2738 + filter.bits.broadcast = 1;
2739 + filter.bits.multicast = 1;
2740 + filter.bits.unicast = 1;
2741 + mc_filter[1] = mc_filter[0] = 0xffffffff;
2742 + }
2743 + else
2744 + {
2745 + struct dev_mc_list *mclist;
2746 +
2747 + filter.bits.promiscuous = 1;
2748 + filter.bits.broadcast = 1;
2749 + filter.bits.multicast = 1;
2750 + filter.bits.unicast = 1;
2751 + mc_filter[1] = mc_filter[0] = 0;
2752 + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next)
2753 + {
2754 + bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f;
2755 + if (bit_nr < 32)
2756 + {
2757 + mc_filter[0] = mc_filter[0] | (1<<bit_nr);
2758 + }
2759 + else
2760 + {
2761 + mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32));
2762 + }
2763 + }
2764 + }
2765 + filter.bits32 = 0x1f;
2766 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RX_FLTR,filter.bits32,0xffffffff);
2767 +
2768 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL0,mc_filter[0],0xffffffff);
2769 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL1,mc_filter[1],0xffffffff);
2770 + return;
2771 +}
2772 +
2773 +static int gmac_set_mac_address(struct net_device *dev, void *addr)
2774 +{
2775 + struct sockaddr *sock;
2776 + unsigned int reg_val;
2777 + unsigned int dev_index;
2778 + unsigned int i;
2779 +
2780 + dev_index = gmac_select_interface(dev);
2781 +
2782 + sock = (struct sockaddr *) addr;
2783 + for (i = 0; i < 6; i++)
2784 + {
2785 + dev->dev_addr[i] = sock->sa_data[i];
2786 + }
2787 +
2788 + reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24);
2789 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD0,reg_val,0xffffffff);
2790 + reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8) ;
2791 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD1,reg_val,0x0000ffff);
2792 + memcpy(&eth0_mac[0],&dev->dev_addr[0],6);
2793 + printk("Storlink %s address = ",dev->name);
2794 + printk("%02x",dev->dev_addr[0]);
2795 + printk("%02x",dev->dev_addr[1]);
2796 + printk("%02x",dev->dev_addr[2]);
2797 + printk("%02x",dev->dev_addr[3]);
2798 + printk("%02x",dev->dev_addr[4]);
2799 + printk("%02x\n",dev->dev_addr[5]);
2800 +
2801 + return (0);
2802 +}
2803 +
2804 +static void gmac_tx_timeout(struct net_device *dev)
2805 +{
2806 + GMAC_TXDMA_CTRL_T tx_ctrl,tx_ctrl_mask;
2807 + GMAC_TXDMA_FIRST_DESC_T txdma_busy;
2808 + int dev_index;
2809 +
2810 + dev_index = gmac_select_interface(dev);
2811 +
2812 + /* if TX DMA process is stoped , restart it */
2813 + txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC);
2814 + if (txdma_busy.bits.td_busy == 0)
2815 + {
2816 + /* restart DMA process */
2817 + tx_ctrl.bits32 = 0;
2818 + tx_ctrl.bits.td_start = 1;
2819 + tx_ctrl.bits.td_continue = 1;
2820 + tx_ctrl_mask.bits32 = 0;
2821 + tx_ctrl_mask.bits.td_start = 1;
2822 + tx_ctrl_mask.bits.td_continue = 1;
2823 + gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32);
2824 + }
2825 + netif_wake_queue(dev);
2826 + return;
2827 +}
2828 +
2829 +static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
2830 +{
2831 + int rc = 0;
2832 + unsigned char *hwa = rq->ifr_ifru.ifru_hwaddr.sa_data;
2833 +
2834 + if (!netif_running(dev))
2835 + {
2836 + printk("Before changing the H/W address,please down the device.\n");
2837 + return -EINVAL;
2838 + }
2839 +
2840 + switch (cmd) {
2841 + case SIOCETHTOOL:
2842 + break;
2843 +
2844 + case SIOCSIFHWADDR:
2845 + gmac_set_mac_address(dev,hwa);
2846 + break;
2847 +
2848 + case SIOCGMIIPHY: /* Get the address of the PHY in use. */
2849 + case SIOCDEVPRIVATE: /* binary compat, remove in 2.5 */
2850 + break;
2851 +
2852 + case SIOCGMIIREG: /* Read the specified MII register. */
2853 + case SIOCDEVPRIVATE+1:
2854 + break;
2855 +
2856 + case SIOCSMIIREG: /* Write the specified MII register */
2857 + case SIOCDEVPRIVATE+2:
2858 + break;
2859 +
2860 + default:
2861 + rc = -EOPNOTSUPP;
2862 + break;
2863 + }
2864 +
2865 + return rc;
2866 +}
2867 +
2868 +static void gmac_cleanup_module(void)
2869 +{
2870 + int i;
2871 +
2872 + for (i=0;i<GMAC_PHY_IF;i++)
2873 + {
2874 + unregister_netdev(gmac_dev[i]);
2875 + }
2876 + return ;
2877 +}
2878 +
2879 +static int __init gmac_init_module(void)
2880 +{
2881 + struct gmac_private *tp;
2882 + struct net_device *dev[GMAC_PHY_IF];
2883 + unsigned int i;
2884 +
2885 +#ifdef MODULE
2886 + printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
2887 +#endif
2888 +// init_waitqueue_entry(&wait, current);
2889 +
2890 + printk("GMAC Init......\n");
2891 + for(i = 0; i<GMAC_PHY_IF; i++)
2892 + {
2893 + dev[i] = alloc_etherdev(sizeof(struct gmac_private));
2894 + if (dev[i] == NULL)
2895 + {
2896 + printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i);
2897 + return -ENOMEM;
2898 + }
2899 + gmac_dev[i] = dev[i];
2900 +
2901 + SET_MODULE_OWNER(dev[i]);
2902 +
2903 + tp = dev[i]->priv;
2904 +
2905 + dev[i]->base_addr = gmac_base_addr[i];
2906 + dev[i]->irq = gmac_irq[i];
2907 + dev[i]->open = gmac_open;
2908 + dev[i]->stop = gmac_close;
2909 + dev[i]->hard_start_xmit = gmac_start_xmit;
2910 + dev[i]->get_stats = gmac_get_stats;
2911 + dev[i]->set_multicast_list = gmac_set_rx_mode;
2912 + dev[i]->set_mac_address = gmac_set_mac_address;
2913 + dev[i]->do_ioctl = gmac_netdev_ioctl;
2914 + dev[i]->tx_timeout = gmac_tx_timeout;
2915 + dev[i]->watchdog_timeo = TX_TIMEOUT;
2916 + dev[i]->features |= NETIF_F_SG|NETIF_F_HW_CSUM|NETIF_F_TSO;
2917 +#ifdef CONFIG_SL_NAPI
2918 + printk("NAPI driver is enabled.\n");
2919 + if (i==0)
2920 + {
2921 + dev[i]->poll = gmac_rx_poll_ga;
2922 + dev[i]->weight = 64;
2923 + }
2924 + else
2925 + {
2926 + dev[i]->poll = gmac_rx_poll_gb;
2927 + dev[i]->weight = 64;
2928 + }
2929 +#endif
2930 +
2931 + if (register_netdev(dev[i]))
2932 + {
2933 + gmac_cleanup_module();
2934 + return(-1);
2935 + }
2936 + }
2937 +
2938 +#ifdef CONFIG_SL3516_ASIC
2939 +{
2940 + unsigned int val;
2941 +
2942 + /* set GMAC global register */
2943 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x10);
2944 + val = val | 0x005a0000;
2945 + writel(val,GMAC_GLOBAL_BASE_ADDR+0x10);
2946 + writel(0x07f007f0,GMAC_GLOBAL_BASE_ADDR+0x1c);
2947 + writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x20);
2948 + writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x24);
2949 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x04);
2950 + if((val&(1<<20))==0){ // GMAC1 enable
2951 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x30);
2952 + val = (val & 0xe7ffffff) | 0x08000000;
2953 + writel(val,GMAC_GLOBAL_BASE_ADDR+0x30);
2954 + }
2955 +
2956 +}
2957 +#endif
2958 +
2959 +// printk("%s: dev0=%x dev1=%x \n",__func__,dev[0],dev[1]);
2960 +// FLAG_SWITCH = 0 ;
2961 +// FLAG_SWITCH = SPI_get_identifier();
2962 +// if(FLAG_SWITCH)
2963 +// {
2964 +// printk("Configure ADM699X...\n");
2965 +// SPI_default(); //Add by jason for ADM699X configuration
2966 +// }
2967 + return (0);
2968 +}
2969 +
2970 +
2971 +module_init(gmac_init_module);
2972 +module_exit(gmac_cleanup_module);
2973 +
2974 +static int gmac_phy_thread (void *data)
2975 +{
2976 + struct net_device *dev = data;
2977 + struct gmac_private *tp = dev->priv;
2978 + unsigned long timeout;
2979 +
2980 + daemonize("%s", dev->name);
2981 + allow_signal(SIGTERM);
2982 +// reparent_to_init();
2983 +// spin_lock_irq(&current->sigmask_lock);
2984 +// sigemptyset(&current->blocked);
2985 +// recalc_sigpending(current);
2986 +// spin_unlock_irq(&current->sigmask_lock);
2987 +// strncpy (current->comm, dev->name, sizeof(current->comm) - 1);
2988 +// current->comm[sizeof(current->comm) - 1] = '\0';
2989 +
2990 + while (1)
2991 + {
2992 + timeout = next_tick;
2993 + do
2994 + {
2995 + timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
2996 + } while (!signal_pending (current) && (timeout > 0));
2997 +
2998 + if (signal_pending (current))
2999 + {
3000 +// spin_lock_irq(&current->sigmask_lock);
3001 + flush_signals(current);
3002 +// spin_unlock_irq(&current->sigmask_lock);
3003 + }
3004 +
3005 + if (tp->time_to_die)
3006 + break;
3007 +
3008 +// printk("%s : Polling PHY Status...%x\n",__func__,dev);
3009 + rtnl_lock ();
3010 + gmac_get_phy_status(dev);
3011 + rtnl_unlock ();
3012 + }
3013 + complete_and_exit (&tp->thr_exited, 0);
3014 +}
3015 +
3016 +static void gmac_set_phy_status(struct net_device *dev)
3017 +{
3018 + GMAC_STATUS_T status;
3019 + unsigned int reg_val;
3020 + unsigned int i = 0;
3021 + unsigned int index;
3022 +
3023 + if (FLAG_SWITCH==1)
3024 + {
3025 + return; /* GMAC connects to a switch chip, not PHY */
3026 + }
3027 +
3028 + index = gmac_get_dev_index(dev);
3029 +
3030 + if (index == 0)
3031 + {
3032 +// mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */
3033 +// mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */
3034 + mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
3035 +// mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */
3036 +#ifdef CONFIG_SL3516_ASIC
3037 + mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */
3038 +// mii_write(phy_addr[index],0x09,0x0000); /* advertisement 1000M full duplex, pause capable on */
3039 +#endif
3040 + }
3041 + else
3042 + {
3043 +// mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */
3044 +// mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */
3045 + mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
3046 +// mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */
3047 +#ifdef CONFIG_SL3516_ASIC
3048 +// mii_write(phy_addr[index],0x09,0x0000); /* advertisement no 1000M */
3049 + mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */
3050 +#endif
3051 + }
3052 +
3053 + mii_write(phy_addr[index],0x00,0x1200); /* Enable and Restart Auto-Negotiation */
3054 + mii_write(phy_addr[index],0x18,0x0041); /* Enable Active led */
3055 + while (((reg_val=mii_read(phy_addr[index],0x01)) & 0x00000004)!=0x04)
3056 + {
3057 + i++;
3058 + if (i > 30)
3059 + {
3060 + break;
3061 + }
3062 + msleep(100);
3063 + }
3064 + if (i>30)
3065 + {
3066 + pre_phy_status[index] = LINK_DOWN;
3067 + clear_bit(__LINK_STATE_START, &dev->state);
3068 + netif_stop_queue(dev);
3069 + storlink_ctl.link = 0;
3070 + printk("Link Down (%04x) ",reg_val);
3071 + }
3072 + else
3073 + {
3074 + pre_phy_status[index] = LINK_UP;
3075 + set_bit(__LINK_STATE_START, &dev->state);
3076 + netif_wake_queue(dev);
3077 + storlink_ctl.link = 1;
3078 + printk("Link Up (%04x) ",reg_val);
3079 + }
3080 +
3081 + status.bits32 = 0;
3082 + reg_val = mii_read(phy_addr[index],10);
3083 + printk("reg_val0 = %x \n",reg_val);
3084 + if ((reg_val & 0x0800) == 0x0800)
3085 + {
3086 + status.bits.duplex = 1;
3087 + status.bits.speed = 2;
3088 + printk(" 1000M/Full \n");
3089 + }
3090 + else if ((reg_val & 0x0400) == 0x0400)
3091 + {
3092 + status.bits.duplex = 0;
3093 + status.bits.speed = 2;
3094 + printk(" 1000M/Half \n");
3095 + }
3096 + else
3097 + {
3098 + reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
3099 + printk("reg_val1 = %x \n",reg_val);
3100 + if ((reg_val & 0x08)==0x08) /* 100M full duplex */
3101 + {
3102 + status.bits.duplex = 1;
3103 + status.bits.speed = 1;
3104 + printk(" 100M/Full \n");
3105 + }
3106 + else if ((reg_val & 0x04)==0x04) /* 100M half duplex */
3107 + {
3108 + status.bits.duplex = 0;
3109 + status.bits.speed = 1;
3110 + printk(" 100M/Half \n");
3111 + }
3112 + else if ((reg_val & 0x02)==0x02) /* 10M full duplex */
3113 + {
3114 + status.bits.duplex = 1;
3115 + status.bits.speed = 0;
3116 + printk(" 10M/Full \n");
3117 + }
3118 + else if ((reg_val & 0x01)==0x01) /* 10M half duplex */
3119 + {
3120 + status.bits.duplex = 0;
3121 + status.bits.speed = 0;
3122 + printk(" 100M/Half \n");
3123 + }
3124 + }
3125 +
3126 + reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
3127 + if ((reg_val & 0x20)==0x20)
3128 + {
3129 + flow_control_enable[index] = 1;
3130 + printk("Flow Control Enable. \n");
3131 + }
3132 + else
3133 + {
3134 + flow_control_enable[index] = 0;
3135 + printk("Flow Control Disable. \n");
3136 + }
3137 + full_duplex = status.bits.duplex;
3138 + speed = status.bits.speed;
3139 +}
3140 +
3141 +static void gmac_get_phy_status(struct net_device *dev)
3142 +{
3143 + GMAC_CONFIG0_T config0,config0_mask;
3144 + GMAC_STATUS_T status;
3145 + unsigned int reg_val;
3146 + unsigned int index;
3147 +
3148 + index = gmac_select_interface(dev);
3149 +
3150 + status.bits32 = 0;
3151 + status.bits.phy_mode = 1;
3152 +
3153 +#ifdef CONFIG_SL3516_ASIC
3154 + status.bits.mii_rmii = 2; /* default value for ASIC version */
3155 +// status.bits.speed = 1;
3156 +#else
3157 + if (index==0)
3158 + status.bits.mii_rmii = 0;
3159 + else
3160 + status.bits.mii_rmii = 2;
3161 +#endif
3162 +
3163 + /* read PHY status register */
3164 + reg_val = mii_read(phy_addr[index],0x01);
3165 + if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
3166 + {
3167 + /* read PHY Auto-Negotiation Link Partner Ability Register */
3168 + reg_val = mii_read(phy_addr[index],10);
3169 + if ((reg_val & 0x0800) == 0x0800)
3170 + {
3171 + status.bits.mii_rmii = 3; /* RGMII 1000Mbps mode */
3172 + status.bits.duplex = 1;
3173 + status.bits.speed = 2;
3174 + }
3175 + else if ((reg_val & 0x0400) == 0x0400)
3176 + {
3177 + status.bits.mii_rmii = 3; /* RGMII 1000Mbps mode */
3178 + status.bits.duplex = 0;
3179 + status.bits.speed = 2;
3180 + }
3181 + else
3182 + {
3183 + reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
3184 + if ((reg_val & 0x08)==0x08) /* 100M full duplex */
3185 + {
3186 + status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */
3187 + status.bits.duplex = 1;
3188 + status.bits.speed = 1;
3189 + }
3190 + else if ((reg_val & 0x04)==0x04) /* 100M half duplex */
3191 + {
3192 + status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */
3193 + status.bits.duplex = 0;
3194 + status.bits.speed = 1;
3195 + }
3196 + else if ((reg_val & 0x02)==0x02) /* 10M full duplex */
3197 + {
3198 + status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */
3199 + status.bits.duplex = 1;
3200 + status.bits.speed = 0;
3201 + }
3202 + else if ((reg_val & 0x01)==0x01) /* 10M half duplex */
3203 + {
3204 + status.bits.mii_rmii = 2; /* RGMII 10/100Mbps mode */
3205 + status.bits.duplex = 0;
3206 + status.bits.speed = 0;
3207 + }
3208 + }
3209 + status.bits.link = LINK_UP; /* link up */
3210 + netif_wake_queue(dev);
3211 +
3212 + reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
3213 + if ((reg_val & 0x20)==0x20)
3214 + {
3215 + if (flow_control_enable[index] == 0)
3216 + {
3217 + config0.bits32 = 0;
3218 + config0_mask.bits32 = 0;
3219 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
3220 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
3221 + config0_mask.bits.tx_fc_en = 1;
3222 + config0_mask.bits.rx_fc_en = 1;
3223 + gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
3224 +// printk("eth%d Flow Control Enable. \n",index);
3225 + }
3226 + flow_control_enable[index] = 1;
3227 + }
3228 + else
3229 + {
3230 + if (flow_control_enable[index] == 1)
3231 + {
3232 + config0.bits32 = 0;
3233 + config0_mask.bits32 = 0;
3234 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
3235 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
3236 + config0_mask.bits.tx_fc_en = 1;
3237 + config0_mask.bits.rx_fc_en = 1;
3238 + gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
3239 +// printk("eth%d Flow Control Disable. \n",index);
3240 + }
3241 + flow_control_enable[index] = 0;
3242 + }
3243 +
3244 + if (pre_phy_status[index] == LINK_DOWN)
3245 + {
3246 + gmac_enable_tx_rx(dev);
3247 + pre_phy_status[index] = LINK_UP;
3248 + set_bit(__LINK_STATE_START, &dev->state);
3249 + storlink_ctl.link = 1;
3250 +// printk("eth%d Link Up ...\n",index);
3251 + }
3252 + }
3253 + else
3254 + {
3255 + status.bits.link = LINK_DOWN; /* link down */
3256 + netif_stop_queue(dev);
3257 + flow_control_enable[index] = 0;
3258 + storlink_ctl.link = 0;
3259 + if (pre_phy_status[index] == LINK_UP)
3260 + {
3261 + gmac_disable_tx_rx(dev);
3262 + pre_phy_status[index] = LINK_DOWN;
3263 + clear_bit(__LINK_STATE_START, &dev->state);
3264 +// printk("eth%d Link Down ...\n",index);
3265 + }
3266 +
3267 + }
3268 +
3269 + reg_val = gmac_read_reg(gmac_base_addr[index] + GMAC_STATUS);
3270 + if (reg_val != status.bits32)
3271 + {
3272 + gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status.bits32,0x0000007f);
3273 + }
3274 +}
3275 +
3276 +/***************************************/
3277 +/* define GPIO module base address */
3278 +/***************************************/
3279 +#define GPIO_BASE_ADDR (IO_ADDRESS(SL2312_GPIO_BASE))
3280 +
3281 +/* define GPIO pin for MDC/MDIO */
3282 +
3283 +// for gemini ASIC
3284 +#ifdef CONFIG_SL3516_ASIC
3285 +#define H_MDC_PIN 22
3286 +#define H_MDIO_PIN 21
3287 +#define G_MDC_PIN 22
3288 +#define G_MDIO_PIN 21
3289 +#else
3290 +#define H_MDC_PIN 3
3291 +#define H_MDIO_PIN 2
3292 +#define G_MDC_PIN 0
3293 +#define G_MDIO_PIN 1
3294 +#endif
3295 +
3296 +//#define GPIO_MDC 0x80000000
3297 +//#define GPIO_MDIO 0x00400000
3298 +
3299 +static unsigned int GPIO_MDC = 0;
3300 +static unsigned int GPIO_MDIO = 0;
3301 +static unsigned int GPIO_MDC_PIN = 0;
3302 +static unsigned int GPIO_MDIO_PIN = 0;
3303 +
3304 +// For PHY test definition!!
3305 +#define LPC_EECK 0x02
3306 +#define LPC_EDIO 0x04
3307 +#define LPC_GPIO_SET 3
3308 +#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE)
3309 +#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
3310 +#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
3311 +
3312 +enum GPIO_REG
3313 +{
3314 + GPIO_DATA_OUT = 0x00,
3315 + GPIO_DATA_IN = 0x04,
3316 + GPIO_PIN_DIR = 0x08,
3317 + GPIO_BY_PASS = 0x0c,
3318 + GPIO_DATA_SET = 0x10,
3319 + GPIO_DATA_CLEAR = 0x14,
3320 +};
3321 +/***********************/
3322 +/* MDC : GPIO[31] */
3323 +/* MDIO: GPIO[22] */
3324 +/***********************/
3325 +
3326 +/***************************************************
3327 +* All the commands should have the frame structure:
3328 +*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE>
3329 +****************************************************/
3330 +
3331 +/*****************************************************************
3332 +* Inject a bit to NWay register through CSR9_MDC,MDIO
3333 +*******************************************************************/
3334 +void mii_serial_write(char bit_MDO) // write data into mii PHY
3335 +{
3336 +#if 0 //def CONFIG_SL2312_LPC_IT8712
3337 + unsigned char iomode,status;
3338 +
3339 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
3340 + iomode |= (LPC_EECK|LPC_EDIO) ; // Set EECK,EDIO,EECS output
3341 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
3342 +
3343 + if(bit_MDO)
3344 + {
3345 + status = inb_gpio( LPC_GPIO_SET);
3346 + status |= LPC_EDIO ; //EDIO high
3347 + outb_gpio(LPC_GPIO_SET, status);
3348 + }
3349 + else
3350 + {
3351 + status = inb_gpio( LPC_GPIO_SET);
3352 + status &= ~(LPC_EDIO) ; //EDIO low
3353 + outb_gpio(LPC_GPIO_SET, status);
3354 + }
3355 +
3356 + status |= LPC_EECK ; //EECK high
3357 + outb_gpio(LPC_GPIO_SET, status);
3358 +
3359 + status &= ~(LPC_EECK) ; //EECK low
3360 + outb_gpio(LPC_GPIO_SET, status);
3361 +
3362 +#else
3363 + unsigned int addr;
3364 + unsigned int value;
3365 +
3366 + addr = GPIO_BASE_ADDR + GPIO_PIN_DIR;
3367 + value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */
3368 + writel(value,addr);
3369 + if(bit_MDO)
3370 + {
3371 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
3372 + writel(GPIO_MDIO,addr); /* set MDIO to 1 */
3373 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
3374 + writel(GPIO_MDC,addr); /* set MDC to 1 */
3375 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3376 + writel(GPIO_MDC,addr); /* set MDC to 0 */
3377 + }
3378 + else
3379 + {
3380 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3381 + writel(GPIO_MDIO,addr); /* set MDIO to 0 */
3382 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
3383 + writel(GPIO_MDC,addr); /* set MDC to 1 */
3384 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3385 + writel(GPIO_MDC,addr); /* set MDC to 0 */
3386 + }
3387 +
3388 +#endif
3389 +}
3390 +
3391 +/**********************************************************************
3392 +* read a bit from NWay register through CSR9_MDC,MDIO
3393 +***********************************************************************/
3394 +unsigned int mii_serial_read(void) // read data from mii PHY
3395 +{
3396 +#if 0 //def CONFIG_SL2312_LPC_IT8712
3397 + unsigned char iomode,status;
3398 + unsigned int value ;
3399 +
3400 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
3401 + iomode &= ~(LPC_EDIO) ; // Set EDIO input
3402 + iomode |= (LPC_EECK) ; // Set EECK,EECS output
3403 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
3404 +
3405 + status = inb_gpio( LPC_GPIO_SET);
3406 + status |= LPC_EECK ; //EECK high
3407 + outb_gpio(LPC_GPIO_SET, status);
3408 +
3409 + status &= ~(LPC_EECK) ; //EECK low
3410 + outb_gpio(LPC_GPIO_SET, status);
3411 +
3412 + value = inb_gpio( LPC_GPIO_SET);
3413 +
3414 + value = value>>2 ;
3415 + value &= 0x01;
3416 +
3417 + return value ;
3418 +
3419 +#else
3420 + unsigned int *addr;
3421 + unsigned int value;
3422 +
3423 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR);
3424 + value = readl(addr) & ~GPIO_MDIO; //0xffbfffff; /* set MDC to output and MDIO to input */
3425 + writel(value,addr);
3426 +
3427 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET);
3428 + writel(GPIO_MDC,addr); /* set MDC to 1 */
3429 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3430 + writel(GPIO_MDC,addr); /* set MDC to 0 */
3431 +
3432 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN);
3433 + value = readl(addr);
3434 + value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN;
3435 + return(value);
3436 +
3437 +#endif
3438 +}
3439 +
3440 +/***************************************
3441 +* preamble + ST
3442 +***************************************/
3443 +void mii_pre_st(void)
3444 +{
3445 + unsigned char i;
3446 +
3447 + for(i=0;i<32;i++) // PREAMBLE
3448 + mii_serial_write(1);
3449 + mii_serial_write(0); // ST
3450 + mii_serial_write(1);
3451 +}
3452 +
3453 +
3454 +/******************************************
3455 +* Read MII register
3456 +* phyad -> physical address
3457 +* regad -> register address
3458 +***************************************** */
3459 +unsigned int mii_read(unsigned char phyad,unsigned char regad)
3460 +{
3461 + unsigned int i,value;
3462 + unsigned int bit;
3463 +
3464 + if (phyad == GPHY_ADDR)
3465 + {
3466 + GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */
3467 + GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
3468 + }
3469 + else
3470 + {
3471 + GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */
3472 + GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
3473 + }
3474 + GPIO_MDC = (1<<GPIO_MDC_PIN);
3475 + GPIO_MDIO = (1<<GPIO_MDIO_PIN);
3476 +
3477 + mii_pre_st(); // PRE+ST
3478 + mii_serial_write(1); // OP
3479 + mii_serial_write(0);
3480 +
3481 + for (i=0;i<5;i++) { // PHYAD
3482 + bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
3483 + mii_serial_write(bit);
3484 + }
3485 +
3486 + for (i=0;i<5;i++) { // REGAD
3487 + bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
3488 + mii_serial_write(bit);
3489 + }
3490 +
3491 + mii_serial_read(); // TA_Z
3492 +// if((bit=mii_serial_read()) !=0 ) // TA_0
3493 +// {
3494 +// return(0);
3495 +// }
3496 + value=0;
3497 + for (i=0;i<16;i++) { // READ DATA
3498 + bit=mii_serial_read();
3499 + value += (bit<<(15-i)) ;
3500 + }
3501 +
3502 + mii_serial_write(0); // dumy clock
3503 + mii_serial_write(0); // dumy clock
3504 +//printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value);
3505 + return(value);
3506 +}
3507 +
3508 +/******************************************
3509 +* Write MII register
3510 +* phyad -> physical address
3511 +* regad -> register address
3512 +* value -> value to be write
3513 +***************************************** */
3514 +void mii_write(unsigned char phyad,unsigned char regad,unsigned int value)
3515 +{
3516 + unsigned int i;
3517 + char bit;
3518 +
3519 +printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value);
3520 + if (phyad == GPHY_ADDR)
3521 + {
3522 + GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */
3523 + GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
3524 + }
3525 + else
3526 + {
3527 + GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */
3528 + GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
3529 + }
3530 + GPIO_MDC = (1<<GPIO_MDC_PIN);
3531 + GPIO_MDIO = (1<<GPIO_MDIO_PIN);
3532 +
3533 + mii_pre_st(); // PRE+ST
3534 + mii_serial_write(0); // OP
3535 + mii_serial_write(1);
3536 + for (i=0;i<5;i++) { // PHYAD
3537 + bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
3538 + mii_serial_write(bit);
3539 + }
3540 +
3541 + for (i=0;i<5;i++) { // REGAD
3542 + bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
3543 + mii_serial_write(bit);
3544 + }
3545 + mii_serial_write(1); // TA_1
3546 + mii_serial_write(0); // TA_0
3547 +
3548 + for (i=0;i<16;i++) { // OUT DATA
3549 + bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ;
3550 + mii_serial_write(bit);
3551 + }
3552 + mii_serial_write(0); // dumy clock
3553 + mii_serial_write(0); // dumy clock
3554 +}
3555 +
3556 +
3557 +
3558 +
3559 +
3560 +
3561 +
3562 +
3563 +
3564 +/* NOTES
3565 + * The instruction set of the 93C66/56/46/26/06 chips are as follows:
3566 + *
3567 + * Start OP *
3568 + * Function Bit Code Address** Data Description
3569 + * -------------------------------------------------------------------
3570 + * READ 1 10 A7 - A0 Reads data stored in memory,
3571 + * starting at specified address
3572 + * EWEN 1 00 11XXXXXX Write enable must precede
3573 + * all programming modes
3574 + * ERASE 1 11 A7 - A0 Erase register A7A6A5A4A3A2A1A0
3575 + * WRITE 1 01 A7 - A0 D15 - D0 Writes register
3576 + * ERAL 1 00 10XXXXXX Erase all registers
3577 + * WRAL 1 00 01XXXXXX D15 - D0 Writes to all registers
3578 + * EWDS 1 00 00XXXXXX Disables all programming
3579 + * instructions
3580 + * *Note: A value of X for address is a don't care condition.
3581 + * **Note: There are 8 address bits for the 93C56/66 chips unlike
3582 + * the 93C46/26/06 chips which have 6 address bits.
3583 + *
3584 + * The 93Cx6 has a four wire interface: clock, chip select, data in, and
3585 + * data out.While the ADM6996 uning three interface: clock, chip select,and data line.
3586 + * The input and output are the same pin. ADM6996 can only recognize the write cmd.
3587 + * In order to perform above functions, you need
3588 + * 1. to enable the chip select .
3589 + * 2. send one clock of dummy clock
3590 + * 3. send start bit and opcode
3591 + * 4. send 8 bits address and 16 bits data
3592 + * 5. to disable the chip select.
3593 + * Jason Lee 2003/07/30
3594 + */
3595 +
3596 +/***************************************/
3597 +/* define GPIO module base address */
3598 +/***************************************/
3599 +#define GPIO_EECS 0x00400000 /* EECS: GPIO[22] */
3600 +//#define GPIO_MOSI 0x20000000 /* EEDO: GPIO[29] send to 6996*/
3601 +#define GPIO_MISO 0x40000000 /* EEDI: GPIO[30] receive from 6996*/
3602 +#define GPIO_EECK 0x80000000 /* EECK: GPIO[31] */
3603 +
3604 +#define ADM_EECS 0x01
3605 +#define ADM_EECK 0x02
3606 +#define ADM_EDIO 0x04
3607 +/*************************************************************
3608 +* SPI protocol for ADM6996 control
3609 +**************************************************************/
3610 +#define SPI_OP_LEN 0x03 // the length of start bit and opcode
3611 +#define SPI_OPWRITE 0X05 // write
3612 +#define SPI_OPREAD 0X06 // read
3613 +#define SPI_OPERASE 0X07 // erase
3614 +#define SPI_OPWTEN 0X04 // write enable
3615 +#define SPI_OPWTDIS 0X04 // write disable
3616 +#define SPI_OPERSALL 0X04 // erase all
3617 +#define SPI_OPWTALL 0X04 // write all
3618 +
3619 +#define SPI_ADD_LEN 8 // bits of Address
3620 +#define SPI_DAT_LEN 16 // bits of Data
3621 +#define ADM6996_PORT_NO 6 // the port number of ADM6996
3622 +#define ADM6999_PORT_NO 9 // the port number of ADM6999
3623 +#ifdef CONFIG_ADM_6996
3624 + #define ADM699X_PORT_NO ADM6996_PORT_NO
3625 +#endif
3626 +#ifdef CONFIG_ADM_6999
3627 + #define ADM699X_PORT_NO ADM6999_PORT_NO
3628 +#endif
3629 +#define LPC_GPIO_SET 3
3630 +#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE)
3631 +
3632 +extern int it8712_exist;
3633 +
3634 +#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
3635 +#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
3636 +
3637 +/****************************************/
3638 +/* Function Declare */
3639 +/****************************************/
3640 +/*
3641 +void SPI_write(unsigned char addr,unsigned int value);
3642 +unsigned int SPI_read(unsigned char table,unsigned char addr);
3643 +void SPI_write_bit(char bit_EEDO);
3644 +unsigned int SPI_read_bit(void);
3645 +void SPI_default(void);
3646 +void SPI_reset(unsigned char rstype,unsigned char port_cnt);
3647 +void SPI_pre_st(void);
3648 +void SPI_CS_enable(unsigned char enable);
3649 +void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask);
3650 +void SPI_Set_tag(unsigned int port,unsigned tag);
3651 +void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask);
3652 +void SPI_mac_lock(unsigned int port, unsigned char lock);
3653 +void SPI_get_port_state(unsigned int port);
3654 +void SPI_port_enable(unsigned int port,unsigned char enable);
3655 +
3656 +void SPI_get_status(unsigned int port);
3657 +*/
3658 +
3659 +struct PORT_CONFIG
3660 +{
3661 + unsigned char auto_negotiation; // 0:Disable 1:Enable
3662 + unsigned char speed; // 0:10M 1:100M
3663 + unsigned char duplex; // 0:Half 1:Full duplex
3664 + unsigned char Tag; // 0:Untag 1:Tag
3665 + unsigned char port_disable; // 0:port enable 1:disable
3666 + unsigned char pvid; // port VLAN ID 0001
3667 + unsigned char mdix; // Crossover judgement. 0:Disable 1:Enable
3668 + unsigned char mac_lock; // MAC address Lock 0:Disable 1:Enable
3669 +};
3670 +
3671 +struct PORT_STATUS
3672 +{
3673 + unsigned char link; // 0:not link 1:link established
3674 + unsigned char speed; // 0:10M 1:100M
3675 + unsigned char duplex; // 0:Half 1:Full duplex
3676 + unsigned char flow_ctl; // 0:flow control disable 1:enable
3677 + unsigned char mac_lock; // MAC address Lock 0:Disable 1:Enable
3678 + unsigned char port_disable; // 0:port enable 1:disable
3679 +
3680 + // Serial Management
3681 + unsigned long rx_pac_count; //receive packet count
3682 + unsigned long rx_pac_byte; //receive packet byte count
3683 + unsigned long tx_pac_count; //transmit packet count
3684 + unsigned long tx_pac_byte; //transmit packet byte count
3685 + unsigned long collision_count; //error count
3686 + unsigned long error_count ;
3687 +
3688 + unsigned long rx_pac_count_overflow; //overflow flag
3689 + unsigned long rx_pac_byte_overflow;
3690 + unsigned long tx_pac_count_overflow;
3691 + unsigned long tx_pac_byte_overflow;
3692 + unsigned long collision_count_overflow;
3693 + unsigned long error_count_overflow;
3694 +};
3695 +
3696 +struct PORT_CONFIG port_config[ADM699X_PORT_NO]; // 0~3:LAN , 4:WAN , 5:MII
3697 +static struct PORT_STATUS port_state[ADM699X_PORT_NO];
3698 +
3699 +/******************************************
3700 +* SPI_write
3701 +* addr -> Write Address
3702 +* value -> value to be write
3703 +***************************************** */
3704 +void SPI_write(unsigned char addr,unsigned int value)
3705 +{
3706 + int i;
3707 + char bit;
3708 +#ifdef CONFIG_IT8712_GPIO
3709 + char status;
3710 +#else
3711 + int ad1;
3712 +#endif
3713 +
3714 +#ifdef CONFIG_IT8712_GPIO
3715 + status = inb_gpio(LPC_GPIO_SET);
3716 + status &= ~(ADM_EDIO) ; //EDIO low
3717 + outb_gpio(LPC_GPIO_SET, status);
3718 +#else
3719 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3720 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
3721 +#endif
3722 + SPI_CS_enable(1);
3723 +
3724 + SPI_write_bit(0); //dummy clock
3725 +
3726 + //send write command (0x05)
3727 + for(i=SPI_OP_LEN-1;i>=0;i--)
3728 + {
3729 + bit = (SPI_OPWRITE>>i)& 0x01;
3730 + SPI_write_bit(bit);
3731 + }
3732 + // send 8 bits address (MSB first, LSB last)
3733 + for(i=SPI_ADD_LEN-1;i>=0;i--)
3734 + {
3735 + bit = (addr>>i)& 0x01;
3736 + SPI_write_bit(bit);
3737 + }
3738 + // send 16 bits data (MSB first, LSB last)
3739 + for(i=SPI_DAT_LEN-1;i>=0;i--)
3740 + {
3741 + bit = (value>>i)& 0x01;
3742 + SPI_write_bit(bit);
3743 + }
3744 +
3745 + SPI_CS_enable(0); // CS low
3746 +
3747 + for(i=0;i<0xFFF;i++) ;
3748 +#ifdef CONFIG_IT8712_GPIO
3749 + status = inb_gpio(LPC_GPIO_SET);
3750 + status &= ~(ADM_EDIO) ; //EDIO low
3751 + outb_gpio(LPC_GPIO_SET, status);
3752 +#else
3753 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3754 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
3755 +#endif
3756 +}
3757 +
3758 +
3759 +/************************************
3760 +* SPI_write_bit
3761 +* bit_EEDO -> 1 or 0 to be written
3762 +************************************/
3763 +void SPI_write_bit(char bit_EEDO)
3764 +{
3765 +#ifdef CONFIG_IT8712_GPIO
3766 + unsigned char iomode,status;
3767 +
3768 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
3769 + iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ; // Set EECK,EDIO,EECS output
3770 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
3771 +
3772 + if(bit_EEDO)
3773 + {
3774 + status = inb_gpio( LPC_GPIO_SET);
3775 + status |= ADM_EDIO ; //EDIO high
3776 + outb_gpio(LPC_GPIO_SET, status);
3777 + }
3778 + else
3779 + {
3780 + status = inb_gpio( LPC_GPIO_SET);
3781 + status &= ~(ADM_EDIO) ; //EDIO low
3782 + outb_gpio(LPC_GPIO_SET, status);
3783 + }
3784 +
3785 + status |= ADM_EECK ; //EECK high
3786 + outb_gpio(LPC_GPIO_SET, status);
3787 +
3788 + status &= ~(ADM_EECK) ; //EECK low
3789 + outb_gpio(LPC_GPIO_SET, status);
3790 +
3791 +#else
3792 + unsigned int addr;
3793 + unsigned int value;
3794 +
3795 + addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
3796 + value = readl(addr) |GPIO_EECK |GPIO_MISO ; /* set EECK/MISO Pin to output */
3797 + writel(value,addr);
3798 + if(bit_EEDO)
3799 + {
3800 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
3801 + writel(GPIO_MISO,addr); /* set MISO to 1 */
3802 + writel(GPIO_EECK,addr); /* set EECK to 1 */
3803 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3804 + writel(GPIO_EECK,addr); /* set EECK to 0 */
3805 + }
3806 + else
3807 + {
3808 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3809 + writel(GPIO_MISO,addr); /* set MISO to 0 */
3810 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
3811 + writel(GPIO_EECK,addr); /* set EECK to 1 */
3812 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3813 + writel(GPIO_EECK,addr); /* set EECK to 0 */
3814 + }
3815 +
3816 + return ;
3817 +#endif
3818 +}
3819 +
3820 +/**********************************************************************
3821 +* read a bit from ADM6996 register
3822 +***********************************************************************/
3823 +unsigned int SPI_read_bit(void) // read data from
3824 +{
3825 +#ifdef CONFIG_IT8712_GPIO
3826 + unsigned char iomode,status;
3827 + unsigned int value ;
3828 +
3829 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
3830 + iomode &= ~(ADM_EDIO) ; // Set EDIO input
3831 + iomode |= (ADM_EECS|ADM_EECK) ; // Set EECK,EECS output
3832 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
3833 +
3834 + status = inb_gpio( LPC_GPIO_SET);
3835 + status |= ADM_EECK ; //EECK high
3836 + outb_gpio(LPC_GPIO_SET, status);
3837 +
3838 + status &= ~(ADM_EECK) ; //EECK low
3839 + outb_gpio(LPC_GPIO_SET, status);
3840 +
3841 + value = inb_gpio( LPC_GPIO_SET);
3842 +
3843 + value = value>>2 ;
3844 + value &= 0x01;
3845 +
3846 + return value ;
3847 +#else
3848 + unsigned int addr;
3849 + unsigned int value;
3850 +
3851 + addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
3852 + value = readl(addr) & (~GPIO_MISO); // set EECK to output and MISO to input
3853 + writel(value,addr);
3854 +
3855 + addr =(GPIO_BASE_ADDR + GPIO_DATA_SET);
3856 + writel(GPIO_EECK,addr); // set EECK to 1
3857 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3858 + writel(GPIO_EECK,addr); // set EECK to 0
3859 +
3860 + addr = (GPIO_BASE_ADDR + GPIO_DATA_IN);
3861 + value = readl(addr) ;
3862 + value = value >> 30;
3863 + return value ;
3864 +#endif
3865 +}
3866 +
3867 +/******************************************
3868 +* SPI_default
3869 +* EEPROM content default value
3870 +*******************************************/
3871 +void SPI_default(void)
3872 +{
3873 + int i;
3874 +#ifdef CONFIG_ADM_6999
3875 + SPI_write(0x11,0xFF30);
3876 + for(i=1;i<8;i++)
3877 + SPI_write(i,0x840F);
3878 +
3879 + SPI_write(0x08,0x880F); //port 8 Untag, PVID=2
3880 + SPI_write(0x09,0x881D); //port 9 Tag, PVID=2 ,10M
3881 + SPI_write(0x14,0x017F); //Group 0~6,8 as VLAN 1
3882 + SPI_write(0x15,0x0180); //Group 7,8 as VLAN 2
3883 +#endif
3884 +
3885 +#ifdef CONFIG_ADM_6996
3886 + SPI_write(0x11,0xFF30);
3887 + SPI_write(0x01,0x840F); //port 0~3 Untag ,PVID=1 ,100M ,duplex
3888 + SPI_write(0x03,0x840F);
3889 + SPI_write(0x05,0x840F);
3890 + SPI_write(0x07,0x840F);
3891 + SPI_write(0x08,0x880F); //port 4 Untag, PVID=2
3892 + SPI_write(0x09,0x881D); //port 5 Tag, PVID=2 ,10M
3893 + SPI_write(0x14,0x0155); //Group 0~3,5 as VLAN 1
3894 + SPI_write(0x15,0x0180); //Group 4,5 as VLAN 2
3895 +
3896 +#endif
3897 +
3898 + for(i=0x16;i<=0x22;i++)
3899 + SPI_write((unsigned char)i,0x0000); // clean VLAN¡@map 3~15
3900 +
3901 + for (i=0;i<NUM_VLAN_IF;i++) // Set VLAN ID map 1,2
3902 + SPI_Set_PVID( VLAN_conf[i].vid, VLAN_conf[i].portmap);
3903 +
3904 + for(i=0;i<ADM699X_PORT_NO;i++) // reset count
3905 + SPI_reset(0,i);
3906 +}
3907 +
3908 +/*************************************************
3909 +* SPI_reset
3910 +* rstype -> reset type
3911 +* 0:reset all count for 'port_cnt' port
3912 +* 1:reset specified count 'port_cnt'
3913 +* port_cnt -> port number or counter index
3914 +***************************************************/
3915 +void SPI_reset(unsigned char rstype,unsigned char port_cnt)
3916 +{
3917 +
3918 + int i;
3919 +#ifdef CONFIG_IT8712_GPIO
3920 + char status;
3921 +#else
3922 + int ad1;
3923 +#endif
3924 + char bit;
3925 +
3926 +#ifdef CONFIG_IT8712_GPIO
3927 + status = inb_gpio(LPC_GPIO_SET);
3928 + status &= ~(ADM_EDIO) ; //EDIO low
3929 + outb_gpio(LPC_GPIO_SET, status);
3930 +#else
3931 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3932 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
3933 +#endif
3934 +
3935 + SPI_CS_enable(0); // CS low
3936 +
3937 + SPI_pre_st(); // PRE+ST
3938 + SPI_write_bit(0); // OP
3939 + SPI_write_bit(1);
3940 +
3941 + SPI_write_bit(1); // Table select, must be 1 -> reset Counter
3942 +
3943 + SPI_write_bit(0); // Device Address
3944 + SPI_write_bit(0);
3945 +
3946 + rstype &= 0x01;
3947 + SPI_write_bit(rstype); // Reset type 0:clear dedicate port's all counters 1:clear dedicate counter
3948 +
3949 + for (i=5;i>=0;i--) // port or cnt index
3950 + {
3951 + bit = port_cnt >> i ;
3952 + bit &= 0x01 ;
3953 + SPI_write_bit(bit);
3954 + }
3955 +
3956 + SPI_write_bit(0); // dumy clock
3957 + SPI_write_bit(0); // dumy clock
3958 +
3959 +#ifdef CONFIG_IT8712_GPIO
3960 + status = inb_gpio(LPC_GPIO_SET);
3961 + status &= ~(ADM_EDIO) ; //EDIO low
3962 + outb_gpio(LPC_GPIO_SET, status);
3963 +#else
3964 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
3965 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
3966 +#endif
3967 +}
3968 +
3969 +/*****************************************************
3970 +* SPI_pre_st
3971 +* preambler: 32 bits '1' start bit: '01'
3972 +*****************************************************/
3973 +void SPI_pre_st(void)
3974 +{
3975 + int i;
3976 +
3977 + for(i=0;i<32;i++) // PREAMBLE
3978 + SPI_write_bit(1);
3979 + SPI_write_bit(0); // ST
3980 + SPI_write_bit(1);
3981 +}
3982 +
3983 +
3984 +/***********************************************************
3985 +* SPI_CS_enable
3986 +* before access ,you have to enable Chip Select. (pull high)
3987 +* When fisish, you should pull low !!
3988 +*************************************************************/
3989 +void SPI_CS_enable(unsigned char enable)
3990 +{
3991 +#ifdef CONFIG_IT8712_GPIO
3992 +
3993 + unsigned char iomode,status;
3994 +
3995 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
3996 + iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ; // Set EECK,EDIO,EECS output
3997 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
3998 +
3999 +
4000 + status = inb_gpio( LPC_GPIO_SET);
4001 + if(enable)
4002 + status |= ADM_EECS ; //EECS high
4003 + else
4004 + status &= ~(ADM_EECS) ; //EECS low
4005 +
4006 + outb_gpio(LPC_GPIO_SET, status);
4007 +
4008 +
4009 + status |= ADM_EECK ; //EECK high
4010 + outb_gpio(LPC_GPIO_SET, status);
4011 +
4012 + status &= ~(ADM_EECK) ; //EECK low
4013 + outb_gpio(LPC_GPIO_SET, status);
4014 +
4015 +#else
4016 + unsigned int addr,value;
4017 +
4018 + addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
4019 + value = readl(addr) |GPIO_EECS |GPIO_EECK; /* set EECS/EECK Pin to output */
4020 + writel(value,addr);
4021 +
4022 + if(enable)
4023 + {
4024 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
4025 + writel(GPIO_EECS,addr); /* set EECS to 1 */
4026 +
4027 + }
4028 + else
4029 + {
4030 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
4031 + writel(GPIO_EECS,addr); /* set EECS to 0 */
4032 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
4033 + writel(GPIO_EECK,addr); /* set EECK to 1 */ // at least one clock after CS low
4034 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
4035 + writel(GPIO_EECK,addr); /* set EECK to 0 */
4036 + }
4037 +#endif
4038 +}
4039 +
4040 +/*********************************************************
4041 +* SPI_Set_VLAN: group ports as VLAN
4042 +* LAN -> VLAN number : 0~16
4043 +* port_mask -> ports which would group as LAN
4044 +* ex. 0x03 = 0000 0011
4045 +* port 0 and port 1
4046 +*********************************************************/
4047 +void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask)
4048 +{
4049 + unsigned int i,value=0;
4050 + unsigned reg_add = 0x13 + LAN ;
4051 +
4052 + for(i=0;i<ADM6996_PORT_NO;i++)
4053 + { if(port_mask&0x01)
4054 + {
4055 + switch(i)
4056 + {
4057 + case 0: value|=0x0001; break; //port0:bit[0]
4058 + case 1: value|=0x0004; break; //port1:bit[2]
4059 + case 2: value|=0x0010; break; //port2:bit[4]
4060 + case 3: value|=0x0040; break; //port3:bit[6]
4061 + case 4: value|=0x0080; break; //port4:bit[7]
4062 + case 5: value|=0x0100; break; //port5:bit[8]
4063 + }
4064 + }
4065 + port_mask >>= 1;
4066 + }
4067 +
4068 + SPI_write(reg_add,value);
4069 +}
4070 +
4071 +
4072 +/*******************************************
4073 +* SPI_Set_tag
4074 +* port -> port number to set tag or untag
4075 +* tag -> 0/set untag, 1/set tag
4076 +* In general, tag is for MII port. LAN and
4077 +* WAN port is configed as untag!!
4078 +********************************************/
4079 +void SPI_Set_tag(unsigned int port,unsigned tag)
4080 +{
4081 + unsigned int regadd,value;
4082 +
4083 + // mapping port's register !! (0,1,2,3,4,5) ==> (1,3,5,7,8,9)
4084 + if(port<=3)
4085 + regadd=2*port+1;
4086 + else if(port==4) regadd = 8 ;
4087 + else regadd = 9 ;
4088 +
4089 +
4090 + value = SPI_read(0,regadd); //read original setting
4091 +
4092 + if(tag)
4093 + value |= 0x0010 ; // set tag
4094 + else
4095 + value &= 0xFFEF ; // set untag
4096 +
4097 + SPI_write(regadd,value); // write back!!
4098 +}
4099 +
4100 +/************************************************
4101 +* SPI_Set_PVID
4102 +* PVID -> PVID number :
4103 +* port_mask -> ports which would group as LAN
4104 +* ex. 0x0F = 0000 1111 ==> port 0~3
4105 +************************************************/
4106 +void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask)
4107 +{
4108 + unsigned int i,value=0;
4109 +
4110 + PVID &= 0x000F ;
4111 +
4112 + for(i=0;i<ADM699X_PORT_NO;i++)
4113 + { if(port_mask&0x01)
4114 + {
4115 +#ifdef CONFIG_ADM_6996
4116 + switch(i)
4117 + {
4118 + case 0:
4119 + value = SPI_read(0,0x01); // read original value
4120 + value &= 0xC3FF ; //set PVIC column as 0 first
4121 + value |= PVID << 10 ; //Set PVID column as PVID
4122 + SPI_write(0x01,value); //write back
4123 + break;
4124 + case 1:
4125 + value = SPI_read(0,0x03);
4126 + value &= 0xC3FF ;
4127 + value |= PVID << 10 ;
4128 + SPI_write(0x03,value);
4129 + break;
4130 + case 2:
4131 + value = SPI_read(0,0x05);
4132 + value &= 0xC3FF ;
4133 + value |= PVID << 10 ;
4134 + SPI_write(0x05,value);
4135 + break;
4136 + case 3:
4137 + value = SPI_read(0,0x07);
4138 + value &= 0xC3FF ;
4139 + value |= PVID << 10 ;
4140 + SPI_write(0x07,value);
4141 + break;
4142 + case 4:
4143 + value = SPI_read(0,0x08);
4144 + value &= 0xC3FF ;
4145 + value |= PVID << 10 ;
4146 + SPI_write(0x08,value);
4147 + break;
4148 + case 5:
4149 + value = SPI_read(0,0x09);
4150 + value &= 0xC3FF ;
4151 + value |= PVID << 10 ;
4152 + SPI_write(0x09,value);
4153 + break;
4154 + }
4155 +#endif
4156 +#ifdef CONFIG_ADM_6999
4157 + value = SPI_read(0,(unsigned char)i+1);
4158 + value &= 0xC3FF ;
4159 + value |= PVID << 10 ;
4160 + SPI_write((unsigned char)i+1,value);
4161 +#endif
4162 + }
4163 + port_mask >>= 1;
4164 + }
4165 +}
4166 +
4167 +
4168 +/************************************************
4169 +* SPI_get_PVID
4170 +* port -> which ports to VID
4171 +************************************************/
4172 +unsigned int SPI_Get_PVID(unsigned int port)
4173 +{
4174 + unsigned int value=0;
4175 +
4176 + if (port>=ADM6996_PORT_NO)
4177 + return 0;
4178 +
4179 + switch(port)
4180 + {
4181 + case 0:
4182 + value = SPI_read(0,0x01); // read original value
4183 + value &= 0x3C00 ; // get VID
4184 + value = value >> 10 ; // Shift
4185 + break;
4186 + case 1:
4187 + value = SPI_read(0,0x03);
4188 + value &= 0x3C00 ;
4189 + value = value >> 10 ;
4190 + break;
4191 + case 2:
4192 + value = SPI_read(0,0x05);
4193 + value &= 0x3C00 ;
4194 + value = value >> 10 ;
4195 + break;
4196 + case 3:
4197 + value = SPI_read(0,0x07);
4198 + value &= 0x3C00 ;
4199 + value = value >> 10 ;
4200 + break;
4201 + case 4:
4202 + value = SPI_read(0,0x08);
4203 + value &= 0x3C00 ;
4204 + value = value >> 10 ;
4205 + break;
4206 + case 5:
4207 + value = SPI_read(0,0x09);
4208 + value &= 0x3C00 ;
4209 + value = value >> 10 ;
4210 + break;
4211 + }
4212 + return value ;
4213 +}
4214 +
4215 +
4216 +/**********************************************
4217 +* SPI_mac_clone
4218 +* port -> the port which will lock or unlock
4219 +* lock -> 0/the port will be unlock
4220 +* 1/the port will be locked
4221 +**********************************************/
4222 +void SPI_mac_lock(unsigned int port, unsigned char lock)
4223 +{
4224 + unsigned int i,value=0;
4225 +
4226 + value = SPI_read(0,0x12); // read original
4227 +
4228 + for(i=0;i<ADM6996_PORT_NO;i++)
4229 + { if(lock) // lock port
4230 + {
4231 + switch(port)
4232 + {
4233 + case 0: value|=0x0001; break; //port0:bit[0]
4234 + case 1: value|=0x0004; break; //port1:bit[2]
4235 + case 2: value|=0x0010; break; //port2:bit[4]
4236 + case 3: value|=0x0040; break; //port3:bit[6]
4237 + case 4: value|=0x0080; break; //port4:bit[7]
4238 + case 5: value|=0x0100; break; //port5:bit[8]
4239 + }
4240 + }
4241 + else
4242 + {
4243 + switch(i) // unlock port
4244 + {
4245 + case 0: value&=0xFFFE; break;
4246 + case 1: value&=0xFFFB; break;
4247 + case 2: value&=0xFFEF; break;
4248 + case 3: value&=0xFFBF; break;
4249 + case 4: value&=0xFF7F; break;
4250 + case 5: value&=0xFEFF; break;
4251 + }
4252 + }
4253 + }
4254 +
4255 + SPI_write(0x12,value);
4256 +}
4257 +
4258 +
4259 +/***************************************************
4260 +* SPI_learn_pause
4261 +* pause = 01-80-c2-00-00-01
4262 +* DA=distination address
4263 +* forward -> 0: if DA == pause then drop and stop mac learning
4264 +* 1: if DA == pause ,then forward it
4265 +***************************************************/
4266 +void SPI_pause_cmd_forward(unsigned char forward)
4267 +{
4268 + unsigned int value=0;
4269 +
4270 + value = SPI_read(0,0x2C); // read original setting
4271 + if(forward)
4272 + value |= 0x2000; // set bit[13] '1'
4273 + else
4274 + value &= 0xDFFF; // set bit[13] '0'
4275 +
4276 + SPI_write(0x2C,value);
4277 +
4278 +}
4279 +
4280 +
4281 +/************************************************
4282 +* SPI_read
4283 +* table -> which table to be read: 1/count 0/EEPROM
4284 +* addr -> Address to be read
4285 +* return : Value of the register
4286 +*************************************************/
4287 +unsigned int SPI_read(unsigned char table,unsigned char addr)
4288 +{
4289 + int i ;
4290 + unsigned int value=0;
4291 + unsigned int bit;
4292 +#ifdef CONFIG_IT8712_GPIO
4293 + unsigned char status;
4294 +#else
4295 + unsigned int ad1;
4296 +#endif
4297 +
4298 +#ifdef CONFIG_IT8712_GPIO
4299 + status = inb_gpio(LPC_GPIO_SET);
4300 + status &= ~(ADM_EDIO) ; //EDIO low
4301 + outb_gpio(LPC_GPIO_SET, status);
4302 +#else
4303 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
4304 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
4305 +#endif
4306 +
4307 + SPI_CS_enable(0);
4308 +
4309 + SPI_pre_st(); // PRE+ST
4310 + SPI_write_bit(1); // OPCODE '10' for read
4311 + SPI_write_bit(0);
4312 +
4313 + (table==1) ? SPI_write_bit(1) : SPI_write_bit(0) ; // table select
4314 +
4315 + SPI_write_bit(0); // Device Address
4316 + SPI_write_bit(0);
4317 +
4318 +
4319 + // send 7 bits address to be read
4320 + for (i=6;i>=0;i--) {
4321 + bit= ((addr>>i) & 0x01) ? 1 :0 ;
4322 + SPI_write_bit(bit);
4323 + }
4324 +
4325 +
4326 + // turn around
4327 + SPI_read_bit(); // TA_Z
4328 +
4329 + value=0;
4330 + for (i=31;i>=0;i--) { // READ DATA
4331 + bit=SPI_read_bit();
4332 + value |= bit << i ;
4333 + }
4334 +
4335 + SPI_read_bit(); // dumy clock
4336 + SPI_read_bit(); // dumy clock
4337 +
4338 + if(!table) // EEPROM, only fetch 16 bits data
4339 + {
4340 + if(addr&0x01) // odd number content (register,register-1)
4341 + value >>= 16 ; // so we remove the rear 16bits
4342 + else // even number content (register+1,register),
4343 + value &= 0x0000FFFF ; // so we keep the rear 16 bits
4344 + }
4345 +
4346 +
4347 + SPI_CS_enable(0);
4348 +
4349 +#ifdef CONFIG_IT8712_GPIO
4350 + status = inb_gpio(LPC_GPIO_SET);
4351 + status &= ~(ADM_EDIO) ; //EDIO low
4352 + outb_gpio(LPC_GPIO_SET, status);
4353 +#else
4354 + ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
4355 + writel(GPIO_MISO,ad1); /* set MISO to 0 */
4356 +#endif
4357 +
4358 + return(value);
4359 +
4360 +}
4361 +
4362 +
4363 +
4364 +/**************************************************
4365 +* SPI_port_en
4366 +* port -> Number of port to config
4367 +* enable -> 1/ enable this port
4368 +* 0/ disable this port
4369 +**************************************************/
4370 +void SPI_port_enable(unsigned int port,unsigned char enable)
4371 +{
4372 + unsigned int reg_val ;
4373 + unsigned char reg_add ;
4374 +
4375 + if(port<=3)
4376 + reg_add=2*port+1;
4377 + else if(port==4) reg_add = 8 ;
4378 + else reg_add = 9 ;
4379 +
4380 + reg_val = SPI_read(0,reg_add);
4381 + if(enable)
4382 + {
4383 + reg_val &= 0xFFDF ;
4384 + SPI_write(reg_add,reg_val);
4385 + }
4386 + else
4387 + {
4388 + reg_val |= 0x0020 ;
4389 + SPI_write(reg_add,reg_val);
4390 + }
4391 +}
4392 +
4393 +/********************************************************
4394 +* get port status
4395 +* port -> specify the port number to get configuration
4396 +*********************************************************/
4397 +void SPI_get_status(unsigned int port)
4398 +{
4399 +/* unsigned int reg_val,add_offset[6];
4400 + struct PORT_STATUS *status;
4401 + status = &port_state[port];
4402 +
4403 + if(port>(ADM6996_PORT_NO-1))
4404 + return ;
4405 +
4406 + // Link estabilish , speed, deplex, flow control ?
4407 + if(port < 5 )
4408 + {
4409 + reg_val = SPI_read(1, 1) ;
4410 + if(port < 4)
4411 + reg_val >>= port*8 ;
4412 + else
4413 + reg_val >>=28 ;
4414 + status->link = reg_val & 0x00000001 ;
4415 + status->speed = reg_val & 0x00000002 ;
4416 + status->duplex = reg_val & 0x00000004 ;
4417 + status->flow_ctl = reg_val & 0x00000008 ;
4418 + }
4419 + else if(port ==5 )
4420 + {
4421 + reg_val = SPI_read(1, 2) ;
4422 + status->link = reg_val & 0x00000001 ;
4423 + status->speed = reg_val & 0x00000002 ;
4424 + status->duplex = reg_val & 0x00000008 ;
4425 + status->flow_ctl = reg_val & 0x00000010 ;
4426 + }
4427 +
4428 + // Mac Lock ?
4429 + reg_val = SPI_read(0,0x12);
4430 + switch(port)
4431 + {
4432 + case 0: status->mac_lock = reg_val & 0x00000001;
4433 + case 1: status->mac_lock = reg_val & 0x00000004;
4434 + case 2: status->mac_lock = reg_val & 0x00000010;
4435 + case 3: status->mac_lock = reg_val & 0x00000040;
4436 + case 4: status->mac_lock = reg_val & 0x00000080;
4437 + case 5: status->mac_lock = reg_val & 0x00000100;
4438 + }
4439 +
4440 + // port enable ?
4441 + add_offset[0] = 0x01 ; add_offset[1] = 0x03 ;
4442 + add_offset[2] = 0x05 ; add_offset[3] = 0x07 ;
4443 + add_offset[4] = 0x08 ; add_offset[5] = 0x09 ;
4444 + reg_val = SPI_read(0,add_offset[port]);
4445 + status->port_disable = reg_val & 0x0020;
4446 +
4447 +
4448 + // Packet Count ...
4449 + add_offset[0] = 0x04 ; add_offset[1] = 0x06 ;
4450 + add_offset[2] = 0x08 ; add_offset[3] = 0x0a ;
4451 + add_offset[4] = 0x0b ; add_offset[5] = 0x0c ;
4452 +
4453 + reg_val = SPI_read(1,add_offset[port]);
4454 + status->rx_pac_count = reg_val ;
4455 + reg_val = SPI_read(1,add_offset[port]+9);
4456 + status->rx_pac_byte = reg_val ;
4457 + reg_val = SPI_read(1,add_offset[port]+18);
4458 + status->tx_pac_count = reg_val ;
4459 + reg_val = SPI_read(1,add_offset[port]+27);
4460 + status->tx_pac_byte = reg_val ;
4461 + reg_val = SPI_read(1,add_offset[port]+36);
4462 + status->collision_count = reg_val ;
4463 + reg_val = SPI_read(1,add_offset[port]+45);
4464 + status->error_count = reg_val ;
4465 + reg_val = SPI_read(1, 0x3A);
4466 + switch(port)
4467 + {
4468 + case 0: status->rx_pac_count_overflow = reg_val & 0x00000001;
4469 + status->rx_pac_byte_overflow = reg_val & 0x00000200 ;
4470 + case 1: status->rx_pac_count_overflow = reg_val & 0x00000004;
4471 + status->rx_pac_byte_overflow = reg_val & 0x00000800 ;
4472 + case 2: status->rx_pac_count_overflow = reg_val & 0x00000010;
4473 + status->rx_pac_byte_overflow = reg_val & 0x00002000 ;
4474 + case 3: status->rx_pac_count_overflow = reg_val & 0x00000040;;
4475 + status->rx_pac_byte_overflow = reg_val & 0x00008000 ;
4476 + case 4: status->rx_pac_count_overflow = reg_val & 0x00000080;
4477 + status->rx_pac_byte_overflow = reg_val & 0x00010000 ;
4478 + case 5: status->rx_pac_count_overflow = reg_val & 0x00000100;
4479 + status->rx_pac_byte_overflow = reg_val & 0x00020000 ;
4480 + }
4481 +
4482 + reg_val = SPI_read(1, 0x3B);
4483 + switch(port)
4484 + {
4485 + case 0: status->tx_pac_count_overflow = reg_val & 0x00000001;
4486 + status->tx_pac_byte_overflow = reg_val & 0x00000200 ;
4487 + case 1: status->tx_pac_count_overflow = reg_val & 0x00000004;
4488 + status->tx_pac_byte_overflow = reg_val & 0x00000800 ;
4489 + case 2: status->tx_pac_count_overflow = reg_val & 0x00000010;
4490 + status->tx_pac_byte_overflow = reg_val & 0x00002000 ;
4491 + case 3: status->tx_pac_count_overflow = reg_val & 0x00000040;;
4492 + status->tx_pac_byte_overflow = reg_val & 0x00008000 ;
4493 + case 4: status->tx_pac_count_overflow = reg_val & 0x00000080;
4494 + status->tx_pac_byte_overflow = reg_val & 0x00010000 ;
4495 + case 5: status->tx_pac_count_overflow = reg_val & 0x00000100;
4496 + status->tx_pac_byte_overflow = reg_val & 0x00020000 ;
4497 + }
4498 +*/
4499 +
4500 + unsigned int reg_val;
4501 + struct PORT_STATUS *status;
4502 + status = &port_state[port];
4503 +
4504 + if(port>=ADM6999_PORT_NO)
4505 + return ;
4506 +
4507 + // Link estabilish , speed, deplex, flow control ?
4508 + if(port < ADM6999_PORT_NO-1 )
4509 + {
4510 + reg_val = SPI_read(1, 0x01) ;
4511 + reg_val = reg_val >> port*4 ;
4512 + status->link = reg_val & 0x00000001 ;
4513 + status->speed = reg_val & 0x00000002 ;
4514 + status->duplex = reg_val & 0x00000004 ;
4515 + status->flow_ctl = reg_val & 0x00000008 ;
4516 + }
4517 + else if(port == (ADM6999_PORT_NO-1) )
4518 + {
4519 + reg_val = SPI_read(1, 0x02) ;
4520 + status->link = reg_val & 0x00000001 ;
4521 + status->speed = reg_val & 0x00000002 ;
4522 + status->duplex = reg_val & 0x00000008 ;
4523 + status->flow_ctl = reg_val & 0x00000010 ;
4524 + }
4525 +
4526 + // Mac Lock ?
4527 + reg_val = SPI_read(0,0x12);
4528 + reg_val = reg_val >> port ;
4529 + reg_val = reg_val & 0x01 ;
4530 + status->mac_lock = reg_val ? 0x01:0x00 ;
4531 +
4532 + // port enable ?
4533 + reg_val = SPI_read(0,(unsigned char)port+1);
4534 + status->port_disable = reg_val & 0x0020;
4535 +
4536 + // Packet Count ...
4537 + reg_val = SPI_read(1,(unsigned char)port+0x04);
4538 + status->rx_pac_count = reg_val ;
4539 + reg_val = SPI_read(1,(unsigned char)port+0x0D);
4540 + status->rx_pac_byte = reg_val ;
4541 + reg_val = SPI_read(1,(unsigned char)port+0x16);
4542 + status->tx_pac_count = reg_val ;
4543 + reg_val = SPI_read(1,(unsigned char)port+0x1F);
4544 + status->tx_pac_byte = reg_val ;
4545 + reg_val = SPI_read(1,(unsigned char)port+0x28);
4546 + status->collision_count = reg_val ;
4547 + reg_val = SPI_read(1,(unsigned char)port+0x31);
4548 + status->error_count = reg_val ;
4549 + reg_val = SPI_read(1, 0x3A);
4550 + reg_val = reg_val >> port ;
4551 + status->rx_pac_count_overflow = reg_val & 0x00000001;
4552 + reg_val = reg_val >> 0x09 ;
4553 + status->rx_pac_byte_overflow = reg_val & 0x00000001 ;
4554 +
4555 + reg_val = SPI_read(1, 0x3B);
4556 + reg_val = reg_val >> port ;
4557 + status->tx_pac_count_overflow = reg_val & 0x00000001;
4558 + reg_val = reg_val >> 0x09 ;
4559 + status->tx_pac_byte_overflow = reg_val & 0x00000001 ;
4560 +
4561 + reg_val = SPI_read(1, 0x3C);
4562 + reg_val = reg_val >> port ;
4563 + status->collision_count_overflow = reg_val & 0x00000001;
4564 + reg_val = reg_val >> 0x09 ;
4565 + status->error_count_overflow = reg_val & 0x00000001 ;
4566 +
4567 +}
4568 +
4569 +unsigned int SPI_get_identifier(void)
4570 +{
4571 + unsigned int flag=0;
4572 +
4573 +#ifdef CONFIG_IT8712_GPIO
4574 +
4575 + if (!it8712_exist) {
4576 + return -ENODEV;
4577 + }
4578 + printk("it8712_gpio init\n");
4579 +
4580 + /* initialize registers */
4581 + // switch all multi-function pins to GPIO
4582 + LPCSetConfig(LDN_GPIO, 0x28, 0xff);
4583 +
4584 + // set simple I/O base address
4585 + LPCSetConfig(LDN_GPIO, 0x62, IT8712_GPIO_BASE >> 8);
4586 + LPCSetConfig(LDN_GPIO, 0x63, (unsigned char) IT8712_GPIO_BASE >> 8);
4587 +
4588 + // select GPIO to simple I/O
4589 + LPCSetConfig(LDN_GPIO, 0xc3, 0xff);
4590 +
4591 + // enable internal pull-up
4592 + LPCSetConfig(LDN_GPIO, 0xbb, 0xff);
4593 +
4594 +#endif
4595 +
4596 + flag = SPI_read(1,0x00);
4597 + printk("Get ADM identifier %6x\n",flag);
4598 + if ((flag & 0xFFFF0) == 0x21120) {
4599 + printk("ADM699X Found\n");
4600 + return 1;
4601 + }
4602 + else {
4603 + printk("ADM699X not Found\n");
4604 + return 0;
4605 + }
4606 +}
4607 +
4608 --- /dev/null
4609 +++ b/drivers/net/sl351x_crc16.c
4610 @@ -0,0 +1,93 @@
4611 +/****************************************************************************
4612 +* Name : sl351x_crc16.c
4613 +* Description :
4614 +* Implement CRC16
4615 +* refer to RFC1662
4616 +* History
4617 +*
4618 +* Date Writer Description
4619 +* ----------- ----------- -------------------------------------------------
4620 +* 09/14/2005 Gary Chen Create
4621 +*
4622 +****************************************************************************/
4623 +
4624 +#define INITFCS16 0xffff /* Initial FCS value */
4625 +#define GOODFCS16 0xf0b8 /* Good final FCS value */
4626 +#define SWAP_WORD(x) (unsigned short)((((unsigned short)x & 0x00FF) << 8) | \
4627 + (((unsigned short)x & 0xFF00) >> 8))
4628 +
4629 +/*----------------------------------------------------------------------
4630 +* x**0 + x**5 + x**12 + x**16
4631 +*----------------------------------------------------------------------*/
4632 +static const unsigned short crc16_tbl[256] = {
4633 + 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
4634 + 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
4635 + 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
4636 + 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
4637 + 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
4638 + 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
4639 + 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
4640 + 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
4641 + 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
4642 + 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
4643 + 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
4644 + 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
4645 + 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
4646 + 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
4647 + 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
4648 + 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
4649 + 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
4650 + 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
4651 + 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
4652 + 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
4653 + 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
4654 + 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
4655 + 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
4656 + 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
4657 + 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
4658 + 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
4659 + 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
4660 + 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
4661 + 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
4662 + 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
4663 + 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
4664 + 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
4665 +};
4666 +
4667 +/*----------------------------------------------------------------------
4668 +* hash_crc16
4669 +*----------------------------------------------------------------------*/
4670 +unsigned short hash_crc16(unsigned short crc, unsigned char *datap, unsigned long len)
4671 +{
4672 + while (len--)
4673 + {
4674 + crc = (crc >> 8) ^ crc16_tbl[(crc ^ (*datap++)) & 0xff];
4675 + }
4676 +
4677 + return (crc);
4678 +
4679 +}
4680 +
4681 +/*----------------------------------------------------------------------
4682 +* hash_check_crc16
4683 +*----------------------------------------------------------------------*/
4684 +unsigned long hash_check_crc16(unsigned char *datap, unsigned long len)
4685 +{
4686 + unsigned short crc;
4687 +
4688 + crc = hash_crc16(INITFCS16, datap, len );
4689 + return (crc == GOODFCS16) ? 0 : 1;
4690 +}
4691 +
4692 +/*----------------------------------------------------------------------
4693 +* hash_gen_crc16
4694 +*----------------------------------------------------------------------*/
4695 +unsigned short hash_gen_crc16(unsigned char *datap, unsigned long len)
4696 +{
4697 + unsigned short crc;
4698 +
4699 + crc = hash_crc16(INITFCS16, datap, len);
4700 + crc ^= 0xffff;
4701 +
4702 + return(SWAP_WORD(crc));
4703 +}
4704 --- /dev/null
4705 +++ b/drivers/net/sl351x_gmac.c
4706 @@ -0,0 +1,5622 @@
4707 +/**************************************************************************
4708 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
4709 +*--------------------------------------------------------------------------
4710 +* Name : sl351x_gmac.c
4711 +* Description :
4712 +* Ethernet device driver for Storlink SL351x FPGA
4713 +*
4714 +* History
4715 +*
4716 +* Date Writer Description
4717 +* ----------- ----------- -------------------------------------------------
4718 +* 08/22/2005 Gary Chen Create and implement
4719 +* 27/10/2005 CH Hsu Porting to Linux
4720 +*
4721 +****************************************************************************/
4722 +#include <linux/module.h>
4723 +#include <linux/kernel.h>
4724 +#include <linux/slab.h>
4725 +#include <linux/mm.h>
4726 +#include <linux/compiler.h>
4727 +#include <linux/pci.h>
4728 +#include <linux/init.h>
4729 +#include <linux/ioport.h>
4730 +#include <linux/netdevice.h>
4731 +#include <linux/etherdevice.h>
4732 +#include <linux/rtnetlink.h>
4733 +#include <linux/delay.h>
4734 +#include <linux/ethtool.h>
4735 +#include <linux/mii.h>
4736 +#include <linux/completion.h>
4737 +#include <asm/hardware.h>
4738 +#include <asm/io.h>
4739 +#include <asm/irq.h>
4740 +#include <asm/semaphore.h>
4741 +#include <asm/arch/irqs.h>
4742 +#include <asm/arch/it8712.h>
4743 +#include <linux/mtd/kvctl.h>
4744 +#include <linux/skbuff.h>
4745 +#include <linux/in.h>
4746 +#include <linux/ip.h>
4747 +#include <linux/tcp.h>
4748 +#include <linux/udp.h>
4749 +
4750 +#include <linux/mtd/kvctl.h>
4751 +
4752 +#define MIDWAY
4753 +#define SL_LEPUS
4754 +#define VITESSE_G5SWITCH 1
4755 +
4756 +#ifndef CONFIG_SL351x_RXTOE
4757 +//#define CONFIG_SL351x_RXTOE 1
4758 +#endif
4759 +#undef CONFIG_SL351x_RXTOE
4760 +
4761 +#include <asm/arch/sl2312.h>
4762 +#include <asm/arch/sl351x_gmac.h>
4763 +#include <asm/arch/sl351x_hash_cfg.h>
4764 +#include <asm/arch/sl351x_nat_cfg.h>
4765 +
4766 +#ifdef CONFIG_SL351x_SYSCTL
4767 +#include <linux/sysctl_storlink.h>
4768 +#endif
4769 +
4770 +#ifdef CONFIG_SL351x_RXTOE
4771 +#include <asm/arch/sl351x_toe.h>
4772 +#include <net/tcp.h>
4773 +#include <linux/tcp.h>
4774 +#include <linux/ip.h>
4775 +#endif
4776 +
4777 +// #define SL351x_TEST_WORKAROUND
4778 +#ifdef CONFIG_SL351x_NAT
4779 +#define CONFIG_SL_NAPI 1
4780 +#endif
4781 +#define GMAX_TX_INTR_DISABLED 1
4782 +#define DO_HW_CHKSUM 1
4783 +#define ENABLE_TSO 1
4784 +#define GMAC_USE_TXQ0 1
4785 +// #define NAT_WORKAROUND_BY_RESET_GMAC 1
4786 +// #define HW_RXBUF_BY_KMALLOC 1
4787 +//#define _DUMP_TX_TCP_CONTENT 1
4788 +#define br_if_ioctl 1
4789 +#define GMAC_LEN_1_2_ISSUE 1
4790 +
4791 +#define GMAC_EXISTED_FLAG 0x5566abcd
4792 +#define CONFIG_MAC_NUM GMAC_NUM
4793 +#define GMAC0_BASE TOE_GMAC0_BASE
4794 +#define GMAC1_BASE TOE_GMAC1_BASE
4795 +#define PAUSE_SET_HW_FREEQ (TOE_HW_FREEQ_DESC_NUM / 2)
4796 +#define PAUSE_REL_HW_FREEQ ((TOE_HW_FREEQ_DESC_NUM / 2) + 10)
4797 +#define DEFAULT_RXQ_MAX_CNT 256
4798 +#ifdef L2_jumbo_frame
4799 +#define TCPHDRLEN(tcp_hdr) ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F)
4800 +#endif
4801 +
4802 +/* define chip information */
4803 +#define DRV_NAME "SL351x"
4804 +#define DRV_VERSION "0.1.4"
4805 +#define SL351x_DRIVER_NAME DRV_NAME " Giga Ethernet driver " DRV_VERSION
4806 +
4807 +#define toe_gmac_enable_interrupt(irq) enable_irq(irq)
4808 +#define toe_gmac_disable_interrupt(irq) disable_irq(irq)
4809 +
4810 +#ifdef SL351x_GMAC_WORKAROUND
4811 +#define GMAC_SHORT_FRAME_THRESHOLD 10
4812 +static struct timer_list gmac_workround_timer_obj;
4813 +void sl351x_poll_gmac_hanged_status(u32 data);
4814 +#ifdef CONFIG_SL351x_NAT
4815 +//#define IxscriptMate_1518 1
4816 + void sl351x_nat_workaround_init(void);
4817 + #ifndef NAT_WORKAROUND_BY_RESET_GMAC
4818 + static void sl351x_nat_workaround_handler(void);
4819 + #endif
4820 +#endif
4821 +#endif
4822 +
4823 +#ifdef GMAC_LEN_1_2_ISSUE
4824 + #define _DEBUG_PREFETCH_NUM 256
4825 +static int _debug_prefetch_cnt;
4826 +static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4)));
4827 +#endif
4828 +/*************************************************************
4829 + * Global Variable
4830 + *************************************************************/
4831 +static int gmac_initialized = 0;
4832 +TOE_INFO_T toe_private_data;
4833 +//static int do_again = 0;
4834 +spinlock_t gmac_fq_lock;
4835 +unsigned int FLAG_SWITCH;
4836 +
4837 +static unsigned int next_tick = 3 * HZ;
4838 +static unsigned char eth_mac[CONFIG_MAC_NUM][6]= {{0x00,0x11,0x11,0x87,0x87,0x87}, {0x00,0x22,0x22,0xab,0xab,0xab}};
4839 +
4840 +#undef CONFIG_SL351x_RXTOE
4841 +extern NAT_CFG_T nat_cfg;
4842 +
4843 +/************************************************/
4844 +/* function declare */
4845 +/************************************************/
4846 +static int gmac_set_mac_address(struct net_device *dev, void *addr);
4847 +static unsigned int gmac_get_phy_vendor(int phy_addr);
4848 +static void gmac_set_phy_status(struct net_device *dev);
4849 +void gmac_get_phy_status(struct net_device *dev);
4850 +static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
4851 +static void gmac_tx_timeout(struct net_device *dev);
4852 +static int gmac_phy_thread (void *data);
4853 +struct net_device_stats * gmac_get_stats(struct net_device *dev);
4854 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev);
4855 +static void gmac_set_rx_mode(struct net_device *dev);
4856 +static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance);
4857 +static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp);
4858 +unsigned int mii_read(unsigned char phyad,unsigned char regad);
4859 +void mii_write(unsigned char phyad,unsigned char regad,unsigned int value);
4860 +void mac_init_drv(void);
4861 +
4862 +static void toe_init_free_queue(void);
4863 +static void toe_init_swtx_queue(void);
4864 +static void toe_init_default_queue(void);
4865 +#ifdef CONFIG_SL351x_RXTOE
4866 +static void toe_init_interrupt_queue(void);
4867 +#endif
4868 +static void toe_init_interrupt_config(void);
4869 +static void toe_gmac_sw_reset(void);
4870 +static int toe_gmac_init_chip(struct net_device *dev);
4871 +static void toe_gmac_enable_tx_rx(struct net_device* dev);
4872 +static void toe_gmac_disable_tx_rx(struct net_device *dev);
4873 +static void toe_gmac_hw_start(struct net_device *dev);
4874 +static void toe_gmac_hw_stop(struct net_device *dev);
4875 +static int toe_gmac_clear_counter(struct net_device *dev);
4876 +static void toe_init_gmac(struct net_device *dev);
4877 +static void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid, struct net_device *dev, int interrupt);
4878 +#ifdef CONFIG_SL_NAPI
4879 +static int gmac_rx_poll(struct net_device *dev, int *budget);
4880 +// static void toe_gmac_disable_rx(struct net_device *dev);
4881 +// static void toe_gmac_enable_rx(struct net_device *dev);
4882 +#endif
4883 +
4884 +u32 mac_read_dma_reg(int mac, unsigned int offset);
4885 +void mac_write_dma_reg(int mac, unsigned int offset, u32 data);
4886 +void mac_stop_txdma(struct net_device *dev);
4887 +void mac_get_sw_tx_weight(struct net_device *dev, char *weight);
4888 +void mac_set_sw_tx_weight(struct net_device *dev, char *weight);
4889 +void mac_get_hw_tx_weight(struct net_device *dev, char *weight);
4890 +void mac_set_hw_tx_weight(struct net_device *dev, char *weight);
4891 +static inline void toe_gmac_fill_free_q(void);
4892 +
4893 +#ifdef VITESSE_G5SWITCH
4894 +extern int Get_Set_port_status(void);
4895 +extern int SPI_default(void);
4896 +extern unsigned int SPI_get_identifier(void);
4897 +void gmac_get_switch_status(struct net_device *dev);
4898 +unsigned int Giga_switch=0;
4899 +unsigned int switch_port_no=0;
4900 +unsigned int ever_dwon=0;
4901 +#endif
4902 +
4903 +/************************************************/
4904 +/* GMAC function declare */
4905 +/************************************************/
4906 +static int gmac_open (struct net_device *dev);
4907 +static int gmac_close (struct net_device *dev);
4908 +static void gmac_cleanup_module(void);
4909 +static void gmac_get_mac_address(void);
4910 +
4911 +#ifdef CONFIG_SL351x_NAT
4912 +static void toe_init_hwtx_queue(void);
4913 +extern void sl351x_nat_init(void);
4914 +extern void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off);
4915 +extern int sl351x_nat_output(struct sk_buff *skb, int port);
4916 +extern int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
4917 +#endif
4918 +
4919 +#ifdef CONFIG_SL351x_RXTOE
4920 +extern void set_toeq_hdr(struct toe_conn* connection, TOE_INFO_T* toe, struct net_device *dev);
4921 +extern void sl351x_toe_init(void);
4922 +extern void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status);
4923 +extern struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr, TOE_INFO_T* toe, unsigned char* l2hdr);
4924 +#endif
4925 +
4926 +int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
4927 +void mac_set_rule_enable_bit(int mac, int rule, int data);
4928 +int mac_set_rule_action(int mac, int rule, int data);
4929 +int mac_get_MRxCRx(int mac, int rule, int ctrlreg);
4930 +void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data);
4931 +
4932 +/*----------------------------------------------------------------------
4933 +* Ethernet Driver init
4934 +*----------------------------------------------------------------------*/
4935 +
4936 +static int __init gmac_init_module(void)
4937 +{
4938 + GMAC_INFO_T *tp;
4939 + struct net_device *dev;
4940 + int i,j;
4941 + unsigned int chip_id;
4942 +// unsigned int chip_version;
4943 +
4944 +#ifdef CONFIG_SL3516_ASIC
4945 +{
4946 + unsigned int val;
4947 + /* set GMAC global register */
4948 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x10);
4949 + val = val | 0x005f0000;
4950 + writel(val,GMAC_GLOBAL_BASE_ADDR+0x10);
4951 +// writel(0xb737b737,GMAC_GLOBAL_BASE_ADDR+0x1c); //For Socket Board
4952 + writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x20);
4953 +// writel(0xa737b747,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
4954 +
4955 + //debug_Aaron
4956 + //writel(0xa7f0a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
4957 + writel(0xa7f0b7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
4958 +
4959 + writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x24);
4960 + writel(0x09200030,GMAC_GLOBAL_BASE_ADDR+0x2C);
4961 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x04);
4962 + if((val&(1<<20))==0){ // GMAC1 enable
4963 + val = readl(GMAC_GLOBAL_BASE_ADDR+0x30);
4964 + val = (val & 0xe7ffffff) | 0x08000000;
4965 + writel(val,GMAC_GLOBAL_BASE_ADDR+0x30);
4966 + }
4967 +}
4968 +#endif
4969 +
4970 +#ifdef VITESSE_G5SWITCH
4971 + Giga_switch = SPI_get_identifier();
4972 + if(Giga_switch)
4973 + switch_port_no = SPI_default();
4974 +#endif
4975 +
4976 + chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0);
4977 + if (chip_id == 0x3512C1)
4978 + {
4979 + writel(0x5787a5f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For 3512 Switch Board
4980 + writel(0x55557777,GMAC_GLOBAL_BASE_ADDR+0x20);//For 3512 Switch Board
4981 + }
4982 +//#endif
4983 +
4984 + mac_init_drv();
4985 +
4986 + printk (KERN_INFO SL351x_DRIVER_NAME " built at %s %s\n", __DATE__, __TIME__);
4987 +
4988 +// init_waitqueue_entry(&wait, current);
4989 +
4990 + // printk("GMAC Init......\n");
4991 +
4992 + i = 0;
4993 + for(j = 0; i<CONFIG_MAC_NUM; j++)
4994 + {
4995 + i=j;
4996 + if(Giga_switch){ // if gswitch present, swap eth0/1
4997 + if(j==0)
4998 + i=1;
4999 + else if(j==1)
5000 + i=0;
5001 + }
5002 +
5003 + tp = (GMAC_INFO_T *)&toe_private_data.gmac[i];
5004 + tp->dev = NULL;
5005 + if (tp->existed != GMAC_EXISTED_FLAG) continue;
5006 +
5007 + dev = alloc_etherdev(0);
5008 + if (dev == NULL)
5009 + {
5010 + printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i);
5011 + return -ENOMEM;
5012 + }
5013 +
5014 + dev->priv=tp;
5015 + tp->dev = dev;
5016 +
5017 + SET_MODULE_OWNER(dev);
5018 +
5019 + // spin_lock_init(&tp->lock);
5020 + spin_lock_init(&gmac_fq_lock);
5021 + dev->base_addr = tp->base_addr;
5022 + dev->irq = tp->irq;
5023 + dev->open = gmac_open;
5024 + dev->stop = gmac_close;
5025 + dev->hard_start_xmit = gmac_start_xmit;
5026 + dev->get_stats = gmac_get_stats;
5027 + dev->set_multicast_list = gmac_set_rx_mode;
5028 + dev->set_mac_address = gmac_set_mac_address;
5029 + dev->do_ioctl = gmac_netdev_ioctl;
5030 + dev->tx_timeout = gmac_tx_timeout;
5031 + dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT;
5032 +#ifdef L2_jumbo_frame
5033 + dev->mtu = 2018; //2002 ,2018
5034 +#endif
5035 + if (tp->port_id == 0)
5036 + dev->tx_queue_len = TOE_GMAC0_SWTXQ_DESC_NUM;
5037 + else
5038 + dev->tx_queue_len = TOE_GMAC1_SWTXQ_DESC_NUM;
5039 +
5040 +#ifdef DO_HW_CHKSUM
5041 + dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM;
5042 +#ifdef ENABLE_TSO
5043 + dev->features |= NETIF_F_TSO;
5044 +#endif
5045 +#endif
5046 +#ifdef CONFIG_SL_NAPI
5047 + dev->poll = gmac_rx_poll;
5048 + dev->weight = 64;
5049 +#endif
5050 +
5051 + if (register_netdev(dev))
5052 + {
5053 + gmac_cleanup_module();
5054 + return(-1);
5055 + }
5056 + }
5057 +
5058 +
5059 +// FLAG_SWITCH = 0 ;
5060 +// FLAG_SWITCH = SPI_get_identifier();
5061 +// if(FLAG_SWITCH)
5062 +// {
5063 +// printk("Configure ADM699X...\n");
5064 +// SPI_default(); //Add by jason for ADM699X configuration
5065 +// }
5066 + return (0);
5067 +}
5068 +
5069 +/*----------------------------------------------------------------------
5070 +* gmac_cleanup_module
5071 +*----------------------------------------------------------------------*/
5072 +
5073 +static void gmac_cleanup_module(void)
5074 +{
5075 + int i;
5076 +
5077 +#ifdef SL351x_GMAC_WORKAROUND
5078 + del_timer(&gmac_workround_timer_obj);
5079 +#endif
5080 +
5081 + for (i=0;i<CONFIG_MAC_NUM;i++)
5082 + {
5083 + if (toe_private_data.gmac[i].dev)
5084 + {
5085 + unregister_netdev(toe_private_data.gmac[i].dev);
5086 + toe_private_data.gmac[i].dev = NULL;
5087 + }
5088 + }
5089 + return ;
5090 +}
5091 +
5092 +module_init(gmac_init_module);
5093 +module_exit(gmac_cleanup_module);
5094 +
5095 +
5096 +/*----------------------------------------------------------------------
5097 +* gmac_read_reg
5098 +*----------------------------------------------------------------------*/
5099 +static inline unsigned int gmac_read_reg(unsigned int base, unsigned int offset)
5100 +//static unsigned int gmac_read_reg(unsigned int base, unsigned int offset)
5101 +{
5102 + volatile unsigned int reg_val;
5103 +
5104 + reg_val = readl(base + offset);
5105 + return (reg_val);
5106 +}
5107 +
5108 +/*----------------------------------------------------------------------
5109 +* gmac_write_reg
5110 +*----------------------------------------------------------------------*/
5111 +static inline void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask)
5112 +//static void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask)
5113 +{
5114 + volatile unsigned int reg_val;
5115 + unsigned int *addr;
5116 +
5117 + reg_val = ( gmac_read_reg(base, offset) & (~bit_mask) ) | (data & bit_mask);
5118 + addr = (unsigned int *)(base + offset);
5119 + writel(reg_val,addr);
5120 + return;
5121 +}
5122 +
5123 +/*----------------------------------------------------------------------
5124 +* mac_init_drv
5125 +*----------------------------------------------------------------------*/
5126 +void mac_init_drv(void)
5127 +{
5128 + TOE_INFO_T *toe;
5129 + int i;
5130 + QUEUE_THRESHOLD_T threshold;
5131 + u32 *destp;
5132 + unsigned int chip_id,chip_version;
5133 +
5134 + chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0);
5135 + chip_version = chip_id & 0x1 ;
5136 +
5137 + if (!gmac_initialized)
5138 + {
5139 + gmac_initialized = 1;
5140 +
5141 + // clear non TOE Queue Header Area
5142 + destp = (u32 *)TOE_NONTOE_QUE_HDR_BASE;
5143 + for (; destp < (u32 *)NONTOE_Q_HDR_AREA_END; destp++)
5144 + *destp = 0x00;
5145 +
5146 + // clear TOE Queue Header Area
5147 + destp = (u32 *)TOE_TOE_QUE_HDR_BASE;
5148 + for (; destp < (u32 *)TOE_Q_HDR_AREA_END; destp++)
5149 + *destp = 0x00;
5150 +
5151 + // init private data
5152 + toe = (TOE_INFO_T *)&toe_private_data;
5153 + memset((void *)toe, 0, sizeof(TOE_INFO_T));
5154 + toe->gmac[0].base_addr = GMAC0_BASE;
5155 + toe->gmac[1].base_addr = GMAC1_BASE;
5156 + toe->gmac[0].dma_base_addr = TOE_GMAC0_DMA_BASE;
5157 + toe->gmac[1].dma_base_addr = TOE_GMAC1_DMA_BASE;
5158 + toe->gmac[0].auto_nego_cfg = 1;
5159 + toe->gmac[1].auto_nego_cfg = 1;
5160 +#ifdef CONFIG_SL3516_ASIC
5161 + toe->gmac[0].speed_cfg = GMAC_SPEED_1000;
5162 + toe->gmac[1].speed_cfg = GMAC_SPEED_1000;
5163 +#else
5164 + toe->gmac[0].speed_cfg = GMAC_SPEED_100;
5165 + toe->gmac[1].speed_cfg = GMAC_SPEED_100;
5166 +#endif
5167 + toe->gmac[0].full_duplex_cfg = 1;
5168 + toe->gmac[1].full_duplex_cfg = 1;
5169 +#ifdef CONFIG_SL3516_ASIC
5170 + toe->gmac[0].phy_mode = GMAC_PHY_RGMII_1000;
5171 + toe->gmac[1].phy_mode = GMAC_PHY_RGMII_1000;
5172 +#else
5173 + toe->gmac[0].phy_mode = GMAC_PHY_RGMII_100;
5174 + toe->gmac[1].phy_mode = GMAC_PHY_RGMII_100;
5175 +#endif
5176 + toe->gmac[0].port_id = GMAC_PORT0;
5177 + toe->gmac[1].port_id = GMAC_PORT1;
5178 + toe->gmac[0].phy_addr = 0x1;
5179 + toe->gmac[1].phy_addr = 2;
5180 +// toe->gmac[0].irq = SL2312_INTERRUPT_GMAC0;
5181 + toe->gmac[0].irq =1;
5182 +// toe->gmac[1].irq = SL2312_INTERRUPT_GMAC1;
5183 + toe->gmac[1].irq =2;
5184 + toe->gmac[0].mac_addr1 = &eth_mac[0][0];
5185 + toe->gmac[1].mac_addr1 = &eth_mac[1][0];
5186 +
5187 + for (i=0; i<CONFIG_MAC_NUM; i++)
5188 + {
5189 + unsigned int data, phy_vendor;
5190 + gmac_write_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2, 0x55aa55aa, 0xffffffff);
5191 + data = gmac_read_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2);
5192 + if (data == 0x55aa55aa)
5193 + {
5194 +#ifdef VITESSE_G5SWITCH
5195 + if(Giga_switch && (i==1)){
5196 + toe->gmac[i].existed = GMAC_EXISTED_FLAG;
5197 + break;
5198 + }
5199 +#endif
5200 + phy_vendor = gmac_get_phy_vendor(toe->gmac[i].phy_addr);
5201 + if (phy_vendor != 0 && phy_vendor != 0xffffffff)
5202 + toe->gmac[i].existed = GMAC_EXISTED_FLAG;
5203 + }
5204 + }
5205 +
5206 + // Write GLOBAL_QUEUE_THRESHOLD_REG
5207 + threshold.bits32 = 0;
5208 + threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 :
5209 + TOE_SW_FREEQ_DESC_NUM/2;
5210 + threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256/4 :
5211 + TOE_HW_FREEQ_DESC_NUM/4;
5212 + threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256/4 :
5213 + TOE_TOE_DESC_NUM/4;
5214 + threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256/4 :
5215 + TOE_INTR_DESC_NUM/4;
5216 + writel(threshold.bits32, TOE_GLOBAL_BASE + GLOBAL_QUEUE_THRESHOLD_REG);
5217 +
5218 + FLAG_SWITCH = 0;
5219 + toe_gmac_sw_reset();
5220 + toe_init_free_queue();
5221 + toe_init_swtx_queue();
5222 +#ifdef CONFIG_SL351x_NAT
5223 + toe_init_hwtx_queue();
5224 +#endif
5225 + toe_init_default_queue();
5226 +#ifdef CONFIG_SL351x_RXTOE
5227 + toe_init_interrupt_queue();
5228 +#endif
5229 + toe_init_interrupt_config();
5230 +
5231 +#if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE)
5232 + sl351x_hash_init();
5233 +#else
5234 + {
5235 + volatile u32 *dp1, *dp2, dword;
5236 +
5237 + dp1 = (volatile u32 *) TOE_V_BIT_BASE;
5238 + dp2 = (volatile u32 *) TOE_A_BIT_BASE;
5239 +
5240 + for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
5241 + {
5242 + *dp1++ = 0;
5243 + dword = *dp2++; // read-clear
5244 + }
5245 + }
5246 +#endif
5247 + }
5248 +
5249 +#ifdef SL351x_GMAC_WORKAROUND
5250 +#ifdef CONFIG_SL351x_NAT
5251 + sl351x_nat_workaround_init();
5252 +#endif
5253 + init_timer(&gmac_workround_timer_obj);
5254 + if (chip_version == 1)
5255 + {
5256 + gmac_workround_timer_obj.expires = jiffies * 50;
5257 + }
5258 + else
5259 + {
5260 + gmac_workround_timer_obj.expires = jiffies + 2;
5261 + }
5262 + gmac_workround_timer_obj.data = (unsigned long)&gmac_workround_timer_obj;
5263 + gmac_workround_timer_obj.function = (void *)&sl351x_poll_gmac_hanged_status;
5264 + add_timer(&gmac_workround_timer_obj);
5265 +#endif
5266 +}
5267 +
5268 +/*----------------------------------------------------------------------
5269 +* toe_init_free_queue
5270 +* (1) Initialize the Free Queue Descriptor Base Address & size
5271 +* Register: TOE_GLOBAL_BASE + 0x0004
5272 +* (2) Initialize DMA Read/Write pointer for
5273 +* SW Free Queue and HW Free Queue
5274 +* (3) Initialize DMA Descriptors for
5275 +* SW Free Queue and HW Free Queue,
5276 +*----------------------------------------------------------------------*/
5277 +static void toe_init_free_queue(void)
5278 +{
5279 + int i;
5280 + TOE_INFO_T *toe;
5281 + DMA_RWPTR_T rwptr_reg;
5282 +// unsigned int rwptr_addr;
5283 + unsigned int desc_buf;
5284 + GMAC_RXDESC_T *sw_desc_ptr;
5285 + struct sk_buff *skb;
5286 +#ifdef CONFIG_SL351x_NAT
5287 + GMAC_RXDESC_T *desc_ptr;
5288 + unsigned int buf_ptr;
5289 +#endif
5290 +
5291 + toe = (TOE_INFO_T *)&toe_private_data;
5292 + desc_buf = (unsigned int)DMA_MALLOC((TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)),
5293 + (dma_addr_t *)&toe->sw_freeq_desc_base_dma) ;
5294 + sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf;
5295 + if (!desc_buf)
5296 + {
5297 + printk("%s::DMA_MALLOC fail !\n",__func__);
5298 + return;
5299 + }
5300 + memset((void *)desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
5301 +
5302 + // DMA Queue Base & Size
5303 + writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER,
5304 + TOE_GLOBAL_BASE + GLOBAL_SW_FREEQ_BASE_SIZE_REG);
5305 +
5306 + // init descriptor base
5307 + toe->swfq_desc_base = desc_buf;
5308 +
5309 + // SW Free Queue Read/Write Pointer
5310 + rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
5311 + rwptr_reg.bits.rptr = 0;
5312 + toe->fq_rx_rwptr.bits32 = rwptr_reg.bits32;
5313 + writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
5314 +
5315 + // SW Free Queue Descriptors
5316 + for (i=0; i<TOE_SW_FREEQ_DESC_NUM; i++)
5317 + {
5318 + sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
5319 + sw_desc_ptr->word1.bits.sw_id = i; // used to locate skb
5320 + if ( (skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL) /* allocate socket buffer */
5321 + {
5322 + printk("%s::skb buffer allocation fail !\n",__func__); while(1);
5323 + }
5324 + REG32(skb->data) = (unsigned int)skb;
5325 + skb_reserve(skb, SKB_RESERVE_BYTES);
5326 + // toe->rx_skb[i] = skb;
5327 + sw_desc_ptr->word2.buf_adr = (unsigned int)__pa(skb->data);
5328 +// consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE);
5329 + sw_desc_ptr++;
5330 + }
5331 +
5332 +#ifdef CONFIG_SL351x_NAT
5333 + if (sizeof(skb->cb) < 64)
5334 + {
5335 + printk("==> %s:: sk structure is incorrect -->Change to cb[64] !\n",__func__); while(1);
5336 + }
5337 + // init hardware free queues
5338 + desc_buf = (unsigned int)DMA_MALLOC((TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)),
5339 + (dma_addr_t *)&toe->hw_freeq_desc_base_dma) ;
5340 + desc_ptr = (GMAC_RXDESC_T *)desc_buf;
5341 + if (!desc_buf)
5342 + {
5343 + printk("%s::DMA_MALLOC fail !\n",__func__);
5344 + return;
5345 + }
5346 + memset((void *)desc_buf, 0, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
5347 +
5348 + // DMA Queue Base & Size
5349 + writel((toe->hw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_HW_FREEQ_DESC_POWER,
5350 + TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
5351 +
5352 + // init descriptor base
5353 + toe->hwfq_desc_base = desc_buf;
5354 +
5355 + // HW Free Queue Read/Write Pointer
5356 + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
5357 + rwptr_reg.bits.rptr = 0;
5358 + writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
5359 +#ifndef HW_RXBUF_BY_KMALLOC
5360 + buf_ptr = (unsigned int)DMA_MALLOC(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE,
5361 + (dma_addr_t *)&toe->hwfq_buf_base_dma);
5362 +#else
5363 + buf_ptr = (unsigned int)kmalloc(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE, GFP_KERNEL);
5364 + toe->hwfq_buf_base_dma = __pa(buf_ptr);
5365 +#endif
5366 + if (!buf_ptr)
5367 + {
5368 + printk("===> %s::Failed to allocate HW TxQ Buffers!\n",__func__);
5369 + while(1); // could not be happened, if happened, adjust the buffer descriptor number
5370 + return;
5371 + }
5372 +
5373 + toe->hwfq_buf_base = buf_ptr;
5374 + toe->hwfq_buf_end_dma = toe->hwfq_buf_base_dma + (TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE);
5375 + buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
5376 + for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
5377 + {
5378 + desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
5379 + desc_ptr->word1.bits.sw_id = i;
5380 + desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
5381 +// consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE);
5382 + // consistent_sync((unsigned int)buf_ptr, HW_RX_BUF_SIZE, PCI_DMA_TODEVICE);
5383 + desc_ptr++;
5384 + buf_ptr += HW_RX_BUF_SIZE;
5385 + }
5386 +#else
5387 + // DMA Queue Base & Size
5388 + writel((0) | TOE_SW_FREEQ_DESC_POWER,
5389 + TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
5390 + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
5391 + rwptr_reg.bits.rptr = 0;
5392 + writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
5393 +
5394 +#endif
5395 +}
5396 +/*----------------------------------------------------------------------
5397 +* toe_init_swtx_queue
5398 +* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup
5399 +* GMAC_SW_TX_QUEUE_BASE_REG(0x0050)
5400 +* (2) Initialize DMA Read/Write pointer for
5401 +* GMAC 0/1 SW TX Q0-5
5402 +*----------------------------------------------------------------------*/
5403 +static void toe_init_swtx_queue(void)
5404 +{
5405 + int i;
5406 + TOE_INFO_T *toe;
5407 + DMA_RWPTR_T rwptr_reg;
5408 + unsigned int rwptr_addr;
5409 + unsigned int desc_buf;
5410 +
5411 +
5412 + toe = (TOE_INFO_T *)&toe_private_data;
5413 +
5414 + // GMAC-0, SW-TXQ
5415 + // The GMAC-0 and GMAC-0 maybe have different descriptor number
5416 + // so, not use for instruction
5417 + desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
5418 + (dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma) ;
5419 + toe->gmac[0].swtxq_desc_base = desc_buf;
5420 + if (!desc_buf)
5421 + {
5422 + printk("%s::DMA_MALLOC fail !\n",__func__);
5423 + return ;
5424 + }
5425 + memset((void *)desc_buf, 0, TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
5426 + writel((toe->gmac[0].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_SWTXQ_DESC_POWER,
5427 + TOE_GMAC0_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG);
5428 +
5429 + // GMAC0 SW TX Q0-Q5
5430 + rwptr_reg.bits.wptr = 0;
5431 + rwptr_reg.bits.rptr = 0;
5432 + rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG;
5433 + for (i=0; i<TOE_SW_TXQ_NUM; i++)
5434 + {
5435 + toe->gmac[0].swtxq[i].rwptr_reg = rwptr_addr;
5436 + toe->gmac[0].swtxq[i].desc_base = desc_buf;
5437 + toe->gmac[0].swtxq[i].total_desc_num = TOE_GMAC0_SWTXQ_DESC_NUM;
5438 + desc_buf += TOE_GMAC0_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
5439 + writel(rwptr_reg.bits32, rwptr_addr);
5440 + rwptr_addr+=4;
5441 + }
5442 +
5443 + // GMAC-1, SW-TXQ
5444 + desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
5445 + (dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma) ;
5446 + toe->gmac[1].swtxq_desc_base = desc_buf;
5447 + if (!desc_buf)
5448 + {
5449 + printk("%s::DMA_MALLOC fail !\n",__func__);
5450 + return ;
5451 + }
5452 + memset((void *)desc_buf, 0, TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
5453 + writel((toe->gmac[1].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_SWTXQ_DESC_POWER,
5454 + TOE_GMAC1_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG);
5455 +
5456 +
5457 + // GMAC1 SW TX Q0-Q5
5458 + rwptr_reg.bits.wptr = 0;
5459 + rwptr_reg.bits.rptr = 0;
5460 + rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG;
5461 + for (i=0; i<TOE_SW_TXQ_NUM; i++)
5462 + {
5463 + toe->gmac[1].swtxq[i].rwptr_reg = rwptr_addr;
5464 + toe->gmac[1].swtxq[i].desc_base = desc_buf;
5465 + toe->gmac[1].swtxq[i].total_desc_num = TOE_GMAC1_SWTXQ_DESC_NUM;
5466 + desc_buf += TOE_GMAC1_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
5467 + writel(rwptr_reg.bits32, rwptr_addr);
5468 + rwptr_addr+=4;
5469 + }
5470 +}
5471 +
5472 +/*----------------------------------------------------------------------
5473 +* toe_init_hwtx_queue
5474 +* (2) Initialize the GMAC 0/1 HW TXQ Queue Descriptor Base Address & size
5475 +* GMAC_HW_TX_QUEUE_BASE_REG(0x0054)
5476 +* (2) Initialize DMA Read/Write pointer for
5477 +* GMAC 0/1 HW TX Q0-5
5478 +*----------------------------------------------------------------------*/
5479 +#ifdef CONFIG_SL351x_NAT
5480 +static void toe_init_hwtx_queue(void)
5481 +{
5482 + int i;
5483 + TOE_INFO_T *toe;
5484 + DMA_RWPTR_T rwptr_reg;
5485 + unsigned int rwptr_addr;
5486 + unsigned int desc_buf;
5487 +
5488 + toe = (TOE_INFO_T *)&toe_private_data;
5489 + // GMAC-0, HW-TXQ
5490 + // The GMAC-0 and GMAC-0 maybe have different descriptor number
5491 + // so, not use for instruction
5492 + desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
5493 + (dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma) ;
5494 + toe->gmac[0].hwtxq_desc_base = desc_buf;
5495 + if (!desc_buf)
5496 + {
5497 + printk("%s::DMA_MALLOC fail !\n",__func__);
5498 + return ;
5499 + }
5500 + memset((void *)desc_buf, 0, TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
5501 + writel((toe->gmac[0].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_HWTXQ_DESC_POWER,
5502 + TOE_GMAC0_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG);
5503 +
5504 + // GMAC0 HW TX Q0-Q5
5505 + rwptr_reg.bits.wptr = 0;
5506 + rwptr_reg.bits.rptr = 0;
5507 + rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
5508 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
5509 + {
5510 + toe->gmac[0].hwtxq[i].desc_base = desc_buf;
5511 + desc_buf += TOE_GMAC0_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
5512 + writel(rwptr_reg.bits32, rwptr_addr);
5513 + rwptr_addr+=4;
5514 + }
5515 +
5516 + // GMAC-1, HW-TXQ
5517 + desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
5518 + (dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma) ;
5519 + toe->gmac[1].hwtxq_desc_base = desc_buf;
5520 + if (!desc_buf)
5521 + {
5522 + printk("%s::DMA_MALLOC fail !\n",__func__);
5523 + return ;
5524 + }
5525 + memset((void *)desc_buf, 0, TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
5526 + writel((toe->gmac[1].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_HWTXQ_DESC_POWER,
5527 + TOE_GMAC1_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG);
5528 +
5529 + // GMAC1 HW TX Q0-Q5
5530 + rwptr_reg.bits.wptr = 0;
5531 + rwptr_reg.bits.rptr = 0;
5532 + rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
5533 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
5534 + {
5535 + toe->gmac[1].hwtxq[i].desc_base = desc_buf;
5536 + desc_buf += TOE_GMAC1_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
5537 + writel(rwptr_reg.bits32, rwptr_addr);
5538 + rwptr_addr+=4;
5539 + }
5540 +}
5541 +#endif
5542 +
5543 +/*----------------------------------------------------------------------
5544 +* toe_init_default_queue
5545 +* (1) Initialize the default 0/1 Queue Header
5546 +* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000)
5547 +* TOE_DEFAULT_Q1_HDR_BASE (0x60002008)
5548 +* (2) Initialize Descriptors of Default Queue 0/1
5549 +*----------------------------------------------------------------------*/
5550 +static void toe_init_default_queue(void)
5551 +{
5552 + TOE_INFO_T *toe;
5553 + volatile NONTOE_QHDR_T *qhdr;
5554 + GMAC_RXDESC_T *desc_ptr;
5555 + DMA_SKB_SIZE_T skb_size;
5556 +
5557 + toe = (TOE_INFO_T *)&toe_private_data;
5558 + desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T)),
5559 + (dma_addr_t *)&toe->gmac[0].default_desc_base_dma);
5560 + if (!desc_ptr)
5561 + {
5562 + printk("%s::DMA_MALLOC fail !\n",__func__);
5563 + return ;
5564 + }
5565 + memset((void *)desc_ptr, 0, TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T));
5566 + toe->gmac[0].default_desc_base = (unsigned int)desc_ptr;
5567 + toe->gmac[0].default_desc_num = TOE_DEFAULT_Q0_DESC_NUM;
5568 + qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q0_HDR_BASE;
5569 + qhdr->word0.base_size = ((unsigned int)toe->gmac[0].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q0_DESC_POWER;
5570 + qhdr->word1.bits32 = 0;
5571 + toe->gmac[0].rx_rwptr.bits32 = 0;
5572 + toe->gmac[0].default_qhdr = (NONTOE_QHDR_T *)qhdr;
5573 + desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T)),
5574 + (dma_addr_t *)&toe->gmac[1].default_desc_base_dma);
5575 + if (!desc_ptr)
5576 + {
5577 + printk("%s::DMA_MALLOC fail !\n",__func__);
5578 + return ;
5579 + }
5580 + memset((void *)desc_ptr, 0, TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T));
5581 + toe->gmac[1].default_desc_base = (unsigned int)desc_ptr;
5582 + toe->gmac[1].default_desc_num = TOE_DEFAULT_Q1_DESC_NUM;
5583 + qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q1_HDR_BASE;
5584 + qhdr->word0.base_size = ((unsigned int)toe->gmac[1].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q1_DESC_POWER;
5585 + qhdr->word1.bits32 = 0;
5586 + toe->gmac[1].rx_rwptr.bits32 = 0;
5587 + toe->gmac[1].default_qhdr = (NONTOE_QHDR_T *)qhdr;
5588 +
5589 + skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE;
5590 + skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE;
5591 + writel(skb_size.bits32, TOE_GLOBAL_BASE + GLOBAL_DMA_SKB_SIZE_REG);
5592 +}
5593 +
5594 +/*----------------------------------------------------------------------
5595 +* toe_init_interrupt_queue
5596 +* (1) Initialize the Interrupt Queue Header
5597 +* Register: TOE_INTR_Q_HDR_BASE (0x60002080)
5598 +* (2) Initialize Descriptors of Interrupt Queues
5599 +*----------------------------------------------------------------------*/
5600 +#ifdef CONFIG_SL351x_RXTOE
5601 +static void toe_init_interrupt_queue(void)
5602 +{
5603 + TOE_INFO_T *toe;
5604 + volatile NONTOE_QHDR_T *qhdr;
5605 + INTR_QHDR_T *desc_ptr;
5606 + // unsigned int desc_buf_addr;
5607 + int i;
5608 +
5609 + toe = (TOE_INFO_T *)&toe_private_data;
5610 + desc_ptr = (INTR_QHDR_T *)DMA_MALLOC((TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T)),
5611 + (dma_addr_t *)&toe->intr_desc_base_dma);
5612 + if (!desc_ptr)
5613 + {
5614 + printk("%s::DMA_MALLOC interrupt queue fail !\n",__func__);
5615 + return ;
5616 + }
5617 + /*
5618 + desc_buf_addr = (unsigned int)DMA_MALLOC((TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T)),
5619 + (dma_addr_t *)&toe->intr_buf_base_dma);
5620 + if (!desc_buf_addr)
5621 + {
5622 + printk("%s::DMA_MALLOC interrupt desc fail !\n",__func__);
5623 + return ;
5624 + }*/
5625 + printk("#### %s::Intr Q desc %x\n", __func__, (u32)desc_ptr);
5626 +
5627 + memset((void *)desc_ptr, 0, TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T));
5628 +// memset((void *)desc_buf_addr, 0, TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T));
5629 + toe->intr_desc_base = (unsigned int)desc_ptr;
5630 + toe->intr_desc_num = TOE_INTR_DESC_NUM;
5631 +
5632 + qhdr = (volatile NONTOE_QHDR_T *)TOE_INTR_Q_HDR_BASE;
5633 +// intrq = (INTRQ_INFO_T*) &toe->intrq[0];
5634 + for (i=0; i<TOE_INTR_QUEUE_NUM; i++, qhdr++)
5635 + {
5636 + qhdr->word0.base_size = ((unsigned int)toe->intr_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_INTR_DESC_POWER;
5637 + qhdr->word1.bits32 = 0;
5638 + desc_ptr += TOE_INTR_DESC_NUM;
5639 + }
5640 +}
5641 +
5642 +#endif
5643 +
5644 +/*----------------------------------------------------------------------
5645 +* toe_init_interrupt_config
5646 +* Interrupt Select Registers are used to map interrupt to int0 or int1
5647 +* Int0 and int1 are wired to CPU 0/1 GMAC 0/1
5648 +* Interrupt Device Inteface data are used to pass device info to
5649 +* upper device deiver or store status/statistics
5650 +* ISR handler
5651 +* (1) If status bit ON but masked, the prinf error message (bug issue)
5652 +* (2) If select bits are for me, handle it, else skip to let
5653 +* the other ISR handles it.
5654 +* Notes:
5655 +* GMACx init routine (for eCOS) or open routine (for Linux)
5656 +* enable the interrupt bits only which are selected for him.
5657 +*
5658 +* Default Setting:
5659 +* GMAC0 intr bits ------> int0 ----> eth0
5660 +* GMAC1 intr bits ------> int1 ----> eth1
5661 +* TOE intr -------------> int0 ----> eth0
5662 +* Classification Intr --> int0 ----> eth0
5663 +* Default Q0 -----------> int0 ----> eth0
5664 +* Default Q1 -----------> int1 ----> eth1
5665 +*----------------------------------------------------------------------*/
5666 +static void toe_init_interrupt_config(void)
5667 +{
5668 + // clear all status bits
5669 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
5670 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
5671 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
5672 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
5673 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
5674 +
5675 + // Init select registers
5676 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
5677 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
5678 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
5679 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
5680 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
5681 +
5682 + // disable all interrupt
5683 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_0_REG);
5684 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
5685 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_2_REG);
5686 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_3_REG);
5687 + writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
5688 +}
5689 +
5690 +/*----------------------------------------------------------------------
5691 +* toe_init_gmac
5692 +*----------------------------------------------------------------------*/
5693 +static void toe_init_gmac(struct net_device *dev)
5694 +{
5695 + GMAC_INFO_T *tp = dev->priv;
5696 + TOE_INFO_T *toe;
5697 + u32 data;
5698 +
5699 + if (!gmac_initialized)
5700 + return ;
5701 +
5702 + if (!tp->existed)
5703 + return;
5704 +
5705 + tp->dev = dev;
5706 + tp->flow_control_enable = 1;
5707 + tp->pre_phy_status = LINK_DOWN;
5708 + tp->full_duplex_status = tp->full_duplex_cfg;
5709 + tp->speed_status = tp->speed_status;
5710 +
5711 +#if 0
5712 + /* get mac address from FLASH */
5713 + gmac_get_mac_address();
5714 +#endif
5715 +
5716 + /* set PHY register to start autonegition process */
5717 + gmac_set_phy_status(dev);
5718 +
5719 + /* GMAC initialization */
5720 + if ( toe_gmac_init_chip(dev) )
5721 + {
5722 + printk ("GMAC %d init fail\n", tp->port_id);
5723 + }
5724 +
5725 + /* clear statistic counter */
5726 + toe_gmac_clear_counter(dev);
5727 +
5728 + memset((void *)&tp->ifStatics, 0, sizeof(struct net_device_stats));
5729 +
5730 + /* -----------------------------------------------------------
5731 + Enable GMAC interrupt & disable loopback
5732 + Notes:
5733 + GMACx init routine (for eCOS) or open routine (for Linux)
5734 + enable the interrupt bits only which are selected for him.
5735 + --------------------------------------------------------------*/
5736 + toe = (TOE_INFO_T *)&toe_private_data;
5737 +
5738 + // Enable Interrupt Bits
5739 + if (tp->port_id == 0)
5740 + {
5741 + tp->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |
5742 + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |
5743 + GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT |
5744 + GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT |
5745 + GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT |
5746 + GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT |
5747 + GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT |
5748 + GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
5749 +
5750 +#ifdef GMAX_TX_INTR_DISABLED
5751 + tp->intr0_enabled = 0;
5752 +#else
5753 + tp->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
5754 +#endif
5755 +
5756 + tp->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS |
5757 + GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
5758 + GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT |
5759 + DEFAULT_Q0_INT_BIT;
5760 + tp->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS;
5761 + tp->intr2_selected = 0xffffffff; // TOE Queue 32-63 FUUL Intr
5762 + tp->intr2_enabled = 0xffffffff;
5763 + tp->intr3_selected = 0xffffffff; // TOE Queue 0-31 FUUL Intr
5764 + tp->intr3_enabled = 0xffffffff;
5765 + tp->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
5766 + HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
5767 + tp->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
5768 +
5769 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) & ~tp->intr0_selected;
5770 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
5771 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) & ~tp->intr1_selected;
5772 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
5773 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) & ~tp->intr2_selected;
5774 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
5775 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) & ~tp->intr3_selected;
5776 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
5777 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) & ~tp->intr4_selected;
5778 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
5779 + }
5780 + else
5781 + {
5782 + tp->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |
5783 + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT |
5784 + GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT |
5785 + GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT |
5786 + GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT |
5787 + GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT |
5788 + GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT |
5789 + GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
5790 +#ifdef GMAX_TX_INTR_DISABLED
5791 + tp->intr0_enabled = 0;
5792 +#else
5793 + tp->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
5794 +#endif
5795 +
5796 + tp->intr1_selected = DEFAULT_Q1_INT_BIT;
5797 + tp->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS;
5798 + tp->intr2_selected = 0; // TOE Queue 32-63 FUUL Intr
5799 + tp->intr2_enabled = 0;
5800 + tp->intr3_selected = 0; // TOE Queue 0-31 FUUL Intr
5801 + tp->intr3_enabled = 0;
5802 + tp->intr4_selected = GMAC1_INT_BITS;
5803 + tp->intr4_enabled = GMAC1_INT_BITS;
5804 +
5805 + if (toe->gmac[0].existed != GMAC_EXISTED_FLAG)
5806 + {
5807 + tp->intr1_selected |= TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS |
5808 + GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
5809 + GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT;
5810 + tp->intr1_enabled |= TOE_IQ_ALL_BITS;
5811 + tp->intr2_selected |= 0xffffffff; // TOE Queue 32-63 FUUL Intr
5812 + tp->intr2_enabled |= 0xffffffff;
5813 + tp->intr3_selected |= 0xffffffff; // TOE Queue 0-31 FUUL Intr
5814 + tp->intr3_enabled |= 0xffffffff;
5815 + tp->intr4_selected |= CLASS_RX_FULL_INT_BITS |
5816 + HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
5817 + tp->intr4_enabled |= SWFQ_EMPTY_INT_BIT;
5818 + }
5819 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) | tp->intr0_selected;
5820 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
5821 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) | tp->intr1_selected;
5822 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
5823 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) | tp->intr2_selected;
5824 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
5825 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) | tp->intr3_selected;
5826 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
5827 + data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) | tp->intr4_selected;
5828 + writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
5829 + }
5830 +
5831 + // enable only selected bits
5832 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_0_REG,
5833 + tp->intr0_enabled, tp->intr0_selected);
5834 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_1_REG,
5835 + tp->intr1_enabled, tp->intr1_selected);
5836 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_2_REG,
5837 + tp->intr2_enabled, tp->intr2_selected);
5838 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_3_REG,
5839 + tp->intr3_enabled, tp->intr3_selected);
5840 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
5841 + tp->intr4_enabled, tp->intr4_selected);
5842 +
5843 + /* start DMA process */
5844 + toe_gmac_hw_start(dev);
5845 +
5846 + /* enable tx/rx register */
5847 + toe_gmac_enable_tx_rx(dev);
5848 +
5849 +// toe_gmac_enable_interrupt(tp->irq);
5850 +
5851 + return ;
5852 +}
5853 +
5854 +
5855 +/*----------------------------------------------------------------------
5856 +* toe_gmac_sw_reset
5857 +*----------------------------------------------------------------------*/
5858 +static void toe_gmac_sw_reset(void)
5859 +{
5860 + unsigned int reg_val;
5861 + reg_val = readl(GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG) | 0x00000060; /* GMAC0 S/W reset */
5862 + writel(reg_val,GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG);
5863 + udelay(100);
5864 + return;
5865 +}
5866 +
5867 +/*----------------------------------------------------------------------
5868 +* toe_gmac_init_chip
5869 +*----------------------------------------------------------------------*/
5870 +static int toe_gmac_init_chip(struct net_device *dev)
5871 +{
5872 + GMAC_INFO_T *tp = dev->priv;
5873 + GMAC_CONFIG2_T config2_val;
5874 + GMAC_CONFIG0_T config0,config0_mask;
5875 + GMAC_CONFIG1_T config1;
5876 + #ifdef CONFIG_SL351x_NAT
5877 + GMAC_CONFIG3_T config3_val;
5878 + #endif
5879 + GMAC_TX_WCR0_T hw_weigh;
5880 + GMAC_TX_WCR1_T sw_weigh;
5881 +// GMAC_HASH_ENABLE_REG0_T hash_ctrl;
5882 +//
5883 +#if 0 /* mac address will be set in late_initcall */
5884 + struct sockaddr sock;
5885 + // GMAC_AHB_WEIGHT_T ahb_weight, ahb_weight_mask;
5886 +
5887 +
5888 + /* set station MAC address1 and address2 */
5889 + memcpy(&sock.sa_data[0],&eth_mac[tp->port_id][0],6);
5890 + gmac_set_mac_address(dev,(void *)&sock);
5891 +#endif
5892 +
5893 + /* set RX_FLTR register to receive all multicast packet */
5894 + gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f);
5895 + // gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f);
5896 + //gmac_write_reg(tp->base_addr, GMAC_RX_FLTR,0x00000007,0x0000001f);
5897 +
5898 + /* set per packet buffer size */
5899 + // config1.bits32 = 0x002004; //next version
5900 + /* set flow control threshold */
5901 + config1.bits32 = 0;
5902 + config1.bits.set_threshold = 32 / 2;
5903 + config1.bits.rel_threshold = 32 / 4 * 3;
5904 + gmac_write_reg(tp->base_addr, GMAC_CONFIG1, config1.bits32, 0xffffffff);
5905 +
5906 + /* set flow control threshold */
5907 + config2_val.bits32 = 0;
5908 + config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM/2;
5909 + config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM*3/4;
5910 + gmac_write_reg(tp->base_addr, GMAC_CONFIG2, config2_val.bits32,0xffffffff);
5911 +
5912 + #ifdef CONFIG_SL351x_NAT
5913 + /* set HW free queue flow control threshold */
5914 + config3_val.bits32 = 0;
5915 + config3_val.bits.set_threshold = PAUSE_SET_HW_FREEQ;
5916 + config3_val.bits.rel_threshold = PAUSE_REL_HW_FREEQ;
5917 + gmac_write_reg(tp->base_addr, GMAC_CONFIG3, config3_val.bits32,0xffffffff);
5918 + #endif
5919 + /* set_mcast_filter mask*/
5920 + // gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,0x0,0xffffffff);
5921 + // gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,0x0,0xffffffff);
5922 +
5923 + /* disable TX/RX and disable internal loop back */
5924 + config0.bits32 = 0;
5925 + config0_mask.bits32 = 0;
5926 +
5927 + //debug_Aaron
5928 +#ifdef L2_jumbo_frame
5929 + config0.bits.max_len = 5;
5930 +#else
5931 + config0.bits.max_len = 2;
5932 +#endif
5933 +
5934 + if (tp->flow_control_enable==1)
5935 + {
5936 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
5937 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
5938 + printk("Enable MAC Flow Control...\n");
5939 + }
5940 + else
5941 + {
5942 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
5943 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
5944 + printk("Disable MAC Flow Control...\n");
5945 + }
5946 + config0.bits.dis_rx = 1; /* disable rx */
5947 + config0.bits.dis_tx = 1; /* disable tx */
5948 + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
5949 + config0.bits.rx_err_detect = 1;
5950 + config0.bits.rgmii_en = 0;
5951 + config0.bits.rgmm_edge = 1;
5952 + config0.bits.rxc_inv = 0;
5953 + config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */
5954 + config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */
5955 + config0.bits.port0_chk_hwq = 1; // GaryChen 3/24/2006 2:26PM
5956 + config0.bits.port1_chk_hwq = 1; // GaryChen 3/24/2006 2:26PM
5957 + config0.bits.port0_chk_toeq = 1;
5958 + config0.bits.port1_chk_toeq = 1;
5959 + config0.bits.port0_chk_classq = 1;
5960 + config0.bits.port1_chk_classq = 1;
5961 +
5962 + config0_mask.bits.max_len = 7;
5963 + config0_mask.bits.tx_fc_en = 1;
5964 + config0_mask.bits.rx_fc_en = 1;
5965 + config0_mask.bits.dis_rx = 1;
5966 + config0_mask.bits.dis_tx = 1;
5967 + config0_mask.bits.loop_back = 1;
5968 + config0_mask.bits.rgmii_en = 1;
5969 + config0_mask.bits.rgmm_edge = 1;
5970 + config0_mask.bits.rxc_inv = 1;
5971 + config0_mask.bits.ipv4_rx_chksum = 1;
5972 + config0_mask.bits.ipv6_rx_chksum = 1;
5973 + config0_mask.bits.port0_chk_hwq = 1;
5974 + config0_mask.bits.port1_chk_hwq = 1;
5975 + config0_mask.bits.port0_chk_toeq = 1;
5976 + config0_mask.bits.port1_chk_toeq = 1;
5977 + config0_mask.bits.port0_chk_classq = 1;
5978 + config0_mask.bits.port1_chk_classq = 1;
5979 + config0_mask.bits.rx_err_detect = 1;
5980 +
5981 + #if 0
5982 + config0.bits.dis_rx = 1; /* disable rx */
5983 + config0.bits.dis_tx = 1; /* disable tx */
5984 + config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
5985 + config0.bits.txc_inv = 0;
5986 + config0.bits.rgmii_en = 0;
5987 + config0.bits.rgmm_edge = 1;
5988 + config0.bits.rxc_inv = 1;
5989 + config0.bits.ipv4_tss_rx_en = 1; /* enable H/W to check ip checksum */
5990 + config0.bits.ipv6_tss_rx_en = 1; /* enable H/W to check ip checksum */
5991 +
5992 + config0_mask.bits.max_len = 3;
5993 + config0_mask.bits.tx_fc_en = 1;
5994 + config0_mask.bits.rx_fc_en = 1;
5995 + config0_mask.bits.dis_rx = 1;
5996 + config0_mask.bits.dis_tx = 1;
5997 + config0_mask.bits.loop_back = 1;
5998 + config0_mask.bits.rgmii_en = 1;
5999 + config0_mask.bits.rgmm_edge = 1;
6000 + config0_mask.bits.txc_inv = 1;
6001 + config0_mask.bits.rxc_inv = 1;
6002 + config0_mask.bits.ipv4_tss_rx_en = 1;
6003 + config0_mask.bits.ipv6_tss_rx_en = 1;
6004 + #endif
6005 +
6006 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
6007 +
6008 + #if 1
6009 + hw_weigh.bits32 = 0;
6010 + hw_weigh.bits.hw_tq3 = 1;
6011 + hw_weigh.bits.hw_tq2 = 1;
6012 + hw_weigh.bits.hw_tq1 = 1;
6013 + hw_weigh.bits.hw_tq0 = 1;
6014 + gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff);
6015 +
6016 + sw_weigh.bits32 = 0;
6017 + sw_weigh.bits.sw_tq5 = 1;
6018 + sw_weigh.bits.sw_tq4 = 1;
6019 + sw_weigh.bits.sw_tq3 = 1;
6020 + sw_weigh.bits.sw_tq2 = 1;
6021 + sw_weigh.bits.sw_tq1 = 1;
6022 + sw_weigh.bits.sw_tq0 = 1;
6023 + gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff);
6024 + #endif
6025 +
6026 + #if 0
6027 + ahb_weight.bits32 = 0;
6028 + ahb_weight_mask.bits32 = 0;
6029 + ahb_weight.bits.rx_weight = 1;
6030 + ahb_weight.bits.tx_weight = 1;
6031 + ahb_weight.bits.hash_weight = 1;
6032 + ahb_weight.bits.pre_req = 0x1f;
6033 + ahb_weight.bits.tqDV_threshold = 0;
6034 + ahb_weight_mask.bits.rx_weight = 0x1f;
6035 + ahb_weight_mask.bits.tx_weight = 0x1f;
6036 + ahb_weight_mask.bits.hash_weight = 0x1f;
6037 + ahb_weight_mask.bits.pre_req = 0x1f;
6038 + ahb_weight_mask.bits.tqDV_threshold = 0x1f;
6039 + gmac_write_reg(tp->dma_base_addr, GMAC_AHB_WEIGHT_REG, ahb_weight.bits32, ahb_weight_mask.bits32);
6040 + #endif
6041 +
6042 + #if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE)
6043 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR0, IPPROTO_TCP, 0xffffffff);
6044 + #endif
6045 + #ifdef CONFIG_SL351x_NAT
6046 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR1, IPPROTO_UDP, 0xffffffff);
6047 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR2, IPPROTO_GRE, 0xffffffff);
6048 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR3, 0xff, 0xffffffff);
6049 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR4, 0xff, 0xffffffff);
6050 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR5, 0xff, 0xffffffff);
6051 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR6, 0xff, 0xffffffff);
6052 + gmac_write_reg(tp->dma_base_addr, GMAC_SPR7, 0xff, 0xffffffff);
6053 +
6054 + sl351x_nat_init();
6055 + #endif
6056 +
6057 + #ifdef CONFIG_SL351x_RXTOE
6058 + /* setup matching rule to TOE */
6059 + sl351x_toe_init();
6060 + #endif
6061 +
6062 + // for A1 ASIC version
6063 +// hash_ctrl.bits32 = 0;
6064 +// hash_ctrl.bits.timing = 6;
6065 +// gmac_write_reg(tp->dma_base_addr, GMAC_HASH_ENGINE_REG0, hash_ctrl.bits32, 0xffffffff);
6066 +
6067 + return (0);
6068 +}
6069 +
6070 +/*----------------------------------------------------------------------
6071 +* toe_gmac_enable_tx_rx
6072 +*----------------------------------------------------------------------*/
6073 +static void toe_gmac_enable_tx_rx(struct net_device *dev)
6074 +{
6075 + GMAC_INFO_T *tp = dev->priv;
6076 + GMAC_CONFIG0_T config0,config0_mask;
6077 +
6078 + /* enable TX/RX */
6079 + config0.bits32 = 0;
6080 + config0_mask.bits32 = 0;
6081 + config0.bits.dis_rx = 0; /* enable rx */
6082 + config0.bits.dis_tx = 0; /* enable tx */
6083 + config0_mask.bits.dis_rx = 1;
6084 + config0_mask.bits.dis_tx = 1;
6085 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
6086 +}
6087 +/*----------------------------------------------------------------------
6088 +* toe_gmac_disable_rx
6089 +*----------------------------------------------------------------------*/
6090 +#if 0
6091 +static void toe_gmac_disable_rx(struct net_device *dev)
6092 +{
6093 + GMAC_INFO_T *tp = dev->priv;
6094 + GMAC_CONFIG0_T config0,config0_mask;
6095 +
6096 + /* enable TX/RX */
6097 + config0.bits32 = 0;
6098 + config0_mask.bits32 = 0;
6099 + config0.bits.dis_rx = 1; /* disable rx */
6100 +// config0.bits.dis_tx = 1; /* disable tx */
6101 + config0_mask.bits.dis_rx = 1;
6102 +// config0_mask.bits.dis_tx = 1;
6103 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
6104 +}
6105 +#endif
6106 +/*----------------------------------------------------------------------
6107 +* toe_gmac_enable_rx
6108 +*----------------------------------------------------------------------*/
6109 +#if 0
6110 +static void toe_gmac_enable_rx(struct net_device *dev)
6111 +{
6112 + GMAC_INFO_T *tp = dev->priv;
6113 + GMAC_CONFIG0_T config0,config0_mask;
6114 +
6115 + /* enable TX/RX */
6116 + config0.bits32 = 0;
6117 + config0_mask.bits32 = 0;
6118 + config0.bits.dis_rx = 0; /* enable rx */
6119 +// config0.bits.dis_tx = 0; /* enable tx */
6120 + config0_mask.bits.dis_rx = 1;
6121 +// config0_mask.bits.dis_tx = 1;
6122 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
6123 +}
6124 +#endif
6125 +/*----------------------------------------------------------------------
6126 +* toe_gmac_disable_tx_rx
6127 +*----------------------------------------------------------------------*/
6128 +static void toe_gmac_disable_tx_rx(struct net_device *dev)
6129 +{
6130 + GMAC_INFO_T *tp = dev->priv;
6131 + GMAC_CONFIG0_T config0,config0_mask;
6132 +
6133 + /* enable TX/RX */
6134 + config0.bits32 = 0;
6135 + config0_mask.bits32 = 0;
6136 + config0.bits.dis_rx = 1; /* disable rx */
6137 + config0.bits.dis_tx = 1; /* disable tx */
6138 + config0_mask.bits.dis_rx = 1;
6139 + config0_mask.bits.dis_tx = 1;
6140 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
6141 +}
6142 +
6143 +/*----------------------------------------------------------------------
6144 +* toe_gmac_hw_start
6145 +*----------------------------------------------------------------------*/
6146 +static void toe_gmac_hw_start(struct net_device *dev)
6147 +{
6148 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6149 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6150 +
6151 +
6152 + /* program dma control register */
6153 + dma_ctrl.bits32 = 0;
6154 + dma_ctrl.bits.rd_enable = 1;
6155 + dma_ctrl.bits.td_enable = 1;
6156 + dma_ctrl.bits.loopback = 0;
6157 + dma_ctrl.bits.drop_small_ack = 0;
6158 + dma_ctrl.bits.rd_prot = 0;
6159 + dma_ctrl.bits.rd_burst_size = 3;
6160 + dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES;
6161 + dma_ctrl.bits.rd_bus = 3;
6162 + dma_ctrl.bits.td_prot = 0;
6163 + dma_ctrl.bits.td_burst_size = 3;
6164 + dma_ctrl.bits.td_bus = 3;
6165 +
6166 + dma_ctrl_mask.bits32 = 0;
6167 + dma_ctrl_mask.bits.rd_enable = 1;
6168 + dma_ctrl_mask.bits.td_enable = 1;
6169 + dma_ctrl_mask.bits.loopback = 1;
6170 + dma_ctrl_mask.bits.drop_small_ack = 1;
6171 + dma_ctrl_mask.bits.rd_prot = 3;
6172 + dma_ctrl_mask.bits.rd_burst_size = 3;
6173 + dma_ctrl_mask.bits.rd_insert_bytes = 3;
6174 + dma_ctrl_mask.bits.rd_bus = 3;
6175 + dma_ctrl_mask.bits.td_prot = 0x0f;
6176 + dma_ctrl_mask.bits.td_burst_size = 3;
6177 + dma_ctrl_mask.bits.td_bus = 3;
6178 +
6179 + gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6180 +
6181 + return;
6182 +}
6183 +
6184 +/*----------------------------------------------------------------------
6185 +* toe_gmac_hw_stop
6186 +*----------------------------------------------------------------------*/
6187 +static void toe_gmac_hw_stop(struct net_device *dev)
6188 +{
6189 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6190 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6191 +
6192 + /* program dma control register */
6193 + dma_ctrl.bits32 = 0;
6194 + dma_ctrl.bits.rd_enable = 0;
6195 + dma_ctrl.bits.td_enable = 0;
6196 +
6197 + dma_ctrl_mask.bits32 = 0;
6198 + dma_ctrl_mask.bits.rd_enable = 1;
6199 + dma_ctrl_mask.bits.td_enable = 1;
6200 +
6201 + gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6202 +}
6203 +
6204 +/*----------------------------------------------------------------------
6205 +* toe_gmac_clear_counter
6206 +*----------------------------------------------------------------------*/
6207 +static int toe_gmac_clear_counter (struct net_device *dev)
6208 +{
6209 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6210 +
6211 + /* clear counter */
6212 + gmac_read_reg(tp->base_addr, GMAC_IN_DISCARDS);
6213 + gmac_read_reg(tp->base_addr, GMAC_IN_ERRORS);
6214 + gmac_read_reg(tp->base_addr, GMAC_IN_MCAST);
6215 + gmac_read_reg(tp->base_addr, GMAC_IN_BCAST);
6216 + gmac_read_reg(tp->base_addr, GMAC_IN_MAC1);
6217 + gmac_read_reg(tp->base_addr, GMAC_IN_MAC2);
6218 + tp->ifStatics.tx_bytes = 0;
6219 + tp->ifStatics.tx_packets = 0;
6220 + tp->ifStatics.tx_errors = 0;
6221 + tp->ifStatics.rx_bytes = 0;
6222 + tp->ifStatics.rx_packets = 0;
6223 + tp->ifStatics.rx_errors = 0;
6224 + tp->ifStatics.rx_dropped = 0;
6225 + return (0);
6226 +}
6227 +
6228 +
6229 +/*----------------------------------------------------------------------
6230 +* toe_gmac_tx_complete
6231 +*----------------------------------------------------------------------*/
6232 +static void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid,
6233 + struct net_device *dev, int interrupt)
6234 +{
6235 + volatile GMAC_TXDESC_T *curr_desc;
6236 + GMAC_TXDESC_0_T word0;
6237 + GMAC_TXDESC_1_T word1;
6238 + unsigned int desc_count;
6239 +// struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
6240 + GMAC_SWTXQ_T *swtxq;
6241 + DMA_RWPTR_T rwptr;
6242 +
6243 + /* get tx H/W completed descriptor virtual address */
6244 + /* check tx status and accumulate tx statistics */
6245 + swtxq = &tp->swtxq[tx_qid];
6246 + swtxq->intr_cnt++;
6247 + for (;;)
6248 + {
6249 + rwptr.bits32 = readl(swtxq->rwptr_reg);
6250 + if (rwptr.bits.rptr == swtxq->finished_idx)
6251 + break;
6252 + curr_desc = (volatile GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
6253 +// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE);
6254 + word0.bits32 = curr_desc->word0.bits32;
6255 + word1.bits32 = curr_desc->word1.bits32;
6256 +
6257 + if (word0.bits.status_tx_ok)
6258 + {
6259 + tp->ifStatics.tx_bytes += word1.bits.byte_count;
6260 + desc_count = word0.bits.desc_count;
6261 + if (desc_count==0)
6262 + {
6263 + printk("%s::Desc 0x%x = 0x%x, desc_count=%d\n",__func__, (u32)curr_desc, word0.bits32, desc_count);
6264 + while(1);
6265 + }
6266 + while (--desc_count)
6267 + {
6268 + word0.bits.status_tx_ok = 0;
6269 + curr_desc->word0.bits32 = word0.bits32;
6270 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
6271 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
6272 + word0.bits32 = curr_desc->word0.bits32;
6273 +#ifdef _DUMP_TX_TCP_CONTENT
6274 + if (curr_desc->word0.bits.buffer_size < 16)
6275 + {
6276 + int a;
6277 + char *datap;
6278 + printk("\t Tx Finished Desc 0x%x Len %d Addr 0x%08x: ", (u32)curr_desc, curr_desc->word0.bits.buffer_size, curr_desc->word2.buf_adr);
6279 + datap = (char *)__va(curr_desc->word2.buf_adr);
6280 + for (a=0; a<8 && a<curr_desc->word0.bits.buffer_size; a++, datap++)
6281 + {
6282 + printk("0x%02x ", *datap);
6283 + }
6284 + printk("\n");
6285 + }
6286 +#endif
6287 + }
6288 +
6289 + word0.bits.status_tx_ok = 0;
6290 + if (swtxq->tx_skb[swtxq->finished_idx])
6291 + {
6292 + if (interrupt)
6293 + dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]);
6294 + else
6295 + dev_kfree_skb(swtxq->tx_skb[swtxq->finished_idx]);
6296 + swtxq->tx_skb[swtxq->finished_idx] = NULL;
6297 + }
6298 + curr_desc->word0.bits32 = word0.bits32;
6299 + swtxq->curr_finished_desc = (GMAC_TXDESC_T *)curr_desc;
6300 + swtxq->total_finished++;
6301 + tp->ifStatics.tx_packets++;
6302 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
6303 + }
6304 + else
6305 + {
6306 + // tp->ifStatics.tx_errors++;
6307 + // printk("%s::Tx Descriptor is !!!\n",__func__);
6308 + // wait ready by breaking
6309 + break;
6310 + }
6311 + }
6312 +
6313 + if (netif_queue_stopped(dev))
6314 + {
6315 + netif_wake_queue(dev);
6316 + }
6317 +}
6318 +
6319 +/*----------------------------------------------------------------------
6320 +* gmac_start_xmit
6321 +*----------------------------------------------------------------------*/
6322 +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
6323 +{
6324 + GMAC_INFO_T *tp= dev->priv;
6325 +// static unsigned int pcount = 0;
6326 +// unsigned int tx_qid;
6327 + DMA_RWPTR_T rwptr;
6328 + volatile GMAC_TXDESC_T *curr_desc;
6329 + int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */
6330 + int frag_id = 0;
6331 + int len, total_len = skb->len;
6332 + struct net_device_stats *isPtr;
6333 + unsigned int free_desc;
6334 + GMAC_SWTXQ_T *swtxq;
6335 + register unsigned long word0, word1, word2, word3;
6336 + unsigned short wptr, rptr;
6337 +#ifdef L2_jumbo_frame
6338 + int header_len = skb->len;
6339 + struct iphdr *ip_hdr;
6340 + struct tcphdr *tcp_hdr;
6341 + int tcp_hdr_len;
6342 + unsigned char *ptr;
6343 + int data_len,a;
6344 + unsigned int val;
6345 +#endif
6346 +
6347 +#ifdef GMAC_LEN_1_2_ISSUE
6348 + int total_pages;
6349 + total_pages = snd_pages;
6350 +#endif
6351 +
6352 + isPtr = (struct net_device_stats *)&tp->ifStatics;
6353 +#if 1
6354 + if (skb->len >= 0x10000)
6355 + {
6356 +// spin_unlock(&tp->tx_mutex);
6357 + isPtr->tx_dropped++;
6358 + printk("%s::[GMAC %d] skb->len %d >= 64K\n", __func__, tp->port_id, skb->len);
6359 + netif_stop_queue(dev);
6360 + return 1;
6361 + }
6362 +#endif
6363 +
6364 +#if 0
6365 + if (storlink_ctl.recvfile==2)
6366 + {
6367 + printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len);
6368 + }
6369 +#endif
6370 +
6371 +#ifdef GMAC_USE_TXQ0
6372 + #define tx_qid 0
6373 +#endif
6374 +
6375 + swtxq = &tp->swtxq[tx_qid];
6376 +
6377 +// spin_lock(&tp->tx_mutex);
6378 + rwptr.bits32 = readl(swtxq->rwptr_reg);
6379 + wptr = rwptr.bits.wptr;
6380 + rptr = rwptr.bits.rptr;
6381 +
6382 + // check finished desc or empty BD
6383 + // cannot check by read ptr of RW PTR register,
6384 + // because the HW complete to send but the SW may NOT handle it
6385 +#ifndef GMAX_TX_INTR_DISABLED
6386 + if (wptr >= swtxq->finished_idx)
6387 + free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx;
6388 + else
6389 + free_desc = swtxq->finished_idx - wptr - 1;
6390 +
6391 + if (free_desc < snd_pages)
6392 + {
6393 +// spin_unlock(&tp->tx_mutex);
6394 + isPtr->tx_dropped++;
6395 +// printk("GMAC %d No available descriptor!\n", tp->port_id);
6396 + netif_stop_queue(dev);
6397 + return 1;
6398 + }
6399 +#else
6400 + toe_gmac_tx_complete(tp, tx_qid, dev, 0);
6401 +
6402 + if (wptr >= swtxq->finished_idx)
6403 + free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx;
6404 + else
6405 + free_desc = swtxq->finished_idx - wptr - 1;
6406 + if (free_desc < snd_pages)
6407 + {
6408 +// spin_unlock(&tp->tx_mutex);
6409 + isPtr->tx_dropped++;
6410 +// printk("GMAC %d No available descriptor!\n", tp->port_id);
6411 + netif_stop_queue(dev);
6412 + return 1;
6413 + }
6414 +
6415 +#if 0
6416 + printk("1: free_desc=%d, wptr=%d, finished_idx=%d\n", free_desc, wptr, swtxq->finished_idx);
6417 + if ((free_desc < (snd_pages << 2)) ||
6418 + (free_desc < (swtxq->total_desc_num >> 2)))
6419 + {
6420 + printk("2: free_desc = %d\n", free_desc);
6421 + toe_gmac_tx_complete(tp, tx_qid, dev, 0);
6422 + rwptr.bits32 = readl(swtxq->rwptr_reg);
6423 + wptr = rwptr.bits.wptr;
6424 + if (wptr>= swtxq->finished_idx)
6425 + free_desc = swtxq->total_desc_num - wptr -1 + swtxq->finished_idx;
6426 + else
6427 + free_desc = swtxq->finished_idx - wptr - 1;
6428 + }
6429 +#endif
6430 +#endif
6431 +
6432 +#ifdef L2_jumbo_frame
6433 +// data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len;
6434 +// if ((skb->nh.iph->protocol == __constant_htons(ETH_P_IP)) && ((skb->nh.iph->protocol & 0x00ff) == IPPROTO_TCP))
6435 +// if (skb->nh.iph->protocol == 0x006 && (skb->nh.iph->protocol == __constant_htons(ETH_P_IP)))
6436 + if (((skb->nh.iph->protocol & 0x00ff) == IPPROTO_TCP))
6437 + {
6438 + ip_hdr = (struct iphdr*)(skb->nh.iph);
6439 + tcp_hdr = (struct tcphdr*)(skb->h.th);
6440 + tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
6441 + tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
6442 +
6443 + if ((skb->h.th->syn) && (tcp_hdr_len > 20))
6444 + {
6445 + ptr = (unsigned char *)(tcp_hdr+1);
6446 + if ((ptr[0] == 0x02) && (ptr[1] == 0x04) && (ptr[2] == 0x07) && (ptr[3] == 0xba)) // 0x07 aa=2016-54=1962 ,0x07ba=2032-54=1978
6447 + {
6448 + ptr[2]=0x20; //23
6449 + ptr[3]=0x00; //00
6450 + printk("-----> Change MSS to 8K \n" );
6451 + }
6452 + }
6453 + }
6454 +// if ((ip_hdr->protocol & 0x00ff) != IPPROTO_TCP)
6455 +// if ((tcp_hdr_len > 20) && (skb->h.th->syn))
6456 +#endif
6457 +
6458 +
6459 +#if 0
6460 + if (snd_pages > 1)
6461 + printk("-----> snd_pages=%d\n", snd_pages);
6462 + if (total_len > 1514)
6463 + {
6464 + printk("-----> total_len=%d\n", total_len);
6465 + }
6466 +#endif
6467 +
6468 + while (snd_pages)
6469 + {
6470 + char *pkt_datap;
6471 +
6472 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr;
6473 +// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE);
6474 +#if 0
6475 +//#if (GMAC_DEBUG==1)
6476 + // if curr_desc->word2.buf_adr !=0 means that the ISR does NOT handle it
6477 + // if (curr_desc->word2.buf_adr)
6478 + if (swtxq->tx_skb[wptr])
6479 + {
6480 + printk("Error! Stop due to TX descriptor's buffer is not freed!\n");
6481 + while(1);
6482 + dev_kfree_skb(swtxq->tx_skb[wptr]);
6483 + swtxq->tx_skb[wptr] = NULL;
6484 + }
6485 +#endif
6486 +
6487 + if (frag_id == 0)
6488 + {
6489 +#if 0
6490 + int i;
6491 + pkt_datap = skb->data;
6492 + len = total_len;
6493 + for (i=0; i<skb_shinfo(skb)->nr_frags; i++)
6494 + {
6495 + skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
6496 + len -= frag->size;
6497 + }
6498 +#else
6499 + pkt_datap = skb->data;
6500 + len = total_len - skb->data_len;
6501 +#endif
6502 + }
6503 + else
6504 + {
6505 + skb_frag_t* frag = &skb_shinfo(skb)->frags[frag_id-1];
6506 + pkt_datap = page_address(frag->page) + frag->page_offset;
6507 + len = frag->size;
6508 + if (len > total_len)
6509 + {
6510 + printk("===> Fatal Error! Send Frag size %d > Total Size %d!!!!!\n",
6511 + len, total_len);
6512 + }
6513 + }
6514 +
6515 + /* set TX descriptor */
6516 + /* copy packet to descriptor buffer address */
6517 + // curr_desc->word0.bits32 = len; /* total frame byte count */
6518 + word0 = len;
6519 +#ifdef L2_jumbo_frame
6520 + word3 = (dev->mtu+14) | EOFIE_BIT; //2016 ,2032
6521 +#else
6522 + word3 = 1514 | EOFIE_BIT;
6523 +#endif
6524 +
6525 +#ifdef DO_HW_CHKSUM
6526 +#ifdef L2_jumbo_frame
6527 + if (total_len >= (dev->mtu+14) && (skb->nh.iph->protocol == 0x011) && skb->nh.iph && (skb->nh.iph->frag_off & __constant_htons(0x3fff)))
6528 +#else
6529 + if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff)))
6530 +#endif
6531 + word1 = total_len |
6532 + TSS_IP_CHKSUM_BIT |
6533 + TSS_IPV6_ENABLE_BIT |
6534 + TSS_MTU_ENABLE_BIT;
6535 + else
6536 + word1 = total_len |
6537 + TSS_UDP_CHKSUM_BIT |
6538 + TSS_TCP_CHKSUM_BIT |
6539 + TSS_IP_CHKSUM_BIT |
6540 + TSS_IPV6_ENABLE_BIT |
6541 + TSS_MTU_ENABLE_BIT;
6542 +#else
6543 + word1 = total_len | TSS_MTU_ENABLE_BIT;
6544 +#endif
6545 + word2 = (unsigned long)__pa(pkt_datap);
6546 +
6547 + if (frag_id == 0)
6548 + {
6549 + word3 |= SOF_BIT; // SOF
6550 + }
6551 +
6552 + if (snd_pages == 1)
6553 + {
6554 + word3 |= EOF_BIT; // EOF
6555 + swtxq->tx_skb[wptr] = skb;
6556 +#ifdef CONFIG_SL351x_NAT
6557 + if (nat_cfg.enabled && sl351x_nat_output(skb, tp->port_id))
6558 + word1 |= TSS_IP_FIXED_LEN_BIT;
6559 +#endif
6560 + }
6561 + else
6562 + swtxq->tx_skb[wptr] = NULL;
6563 + // word1 |= TSS_IP_FIXED_LEN_BIT;
6564 +#if 1
6565 +#ifdef CONFIG_SL351x_RXTOE
6566 + // check if this frame has the mission to enable toe hash entry..
6567 + // if rx_max_pktsize ==0, do not enable RXTOE
6568 + if (TCP_SKB_CB(skb)->connection && storlink_ctl.rx_max_pktsize) {
6569 + set_toeq_hdr(TCP_SKB_CB(skb)->connection, &toe_private_data, dev);
6570 + }
6571 +#endif
6572 +#endif
6573 +#ifdef _DUMP_TX_TCP_CONTENT
6574 + if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139)))
6575 + {
6576 + int a;
6577 + char *datap;
6578 + printk("Tx Desc 0x%x Frag %d Len %d [IP-ID 0x%x] 0x%08x: ", (u32)curr_desc, frag_id, len, htons(skb->nh.iph->id), (u32)pkt_datap);
6579 + datap = (char *)pkt_datap;
6580 + for (a=0; a<8 && a<len; a++, datap++)
6581 + {
6582 + printk("0x%02x ", *datap);
6583 + }
6584 + printk("\n");
6585 + }
6586 +#endif
6587 +
6588 +#ifdef GMAC_LEN_1_2_ISSUE
6589 + if ((total_pages!=snd_pages) && (len == 1 || len == 2 ) && ((u32)pkt_datap & 0x03))
6590 + {
6591 + memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len);
6592 + pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0];
6593 + word2 = (unsigned long)__pa(pkt_datap);
6594 + _debug_prefetch_cnt++;
6595 + if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM)
6596 + _debug_prefetch_cnt = 0;
6597 + }
6598 +#endif
6599 +
6600 + consistent_sync((void *)pkt_datap, len, PCI_DMA_TODEVICE);
6601 + wmb();
6602 + curr_desc->word0.bits32 = word0;
6603 + curr_desc->word1.bits32 = word1;
6604 + curr_desc->word2.bits32 = word2;
6605 + curr_desc->word3.bits32 = word3;
6606 + swtxq->curr_tx_desc = (GMAC_TXDESC_T *)curr_desc;
6607 +// consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_TODEVICE);
6608 +#ifdef _DUMP_TX_TCP_CONTENT
6609 + if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139)))
6610 + {
6611 + int a;
6612 + char *datap;
6613 + printk("\t 0x%08x: ", (u32)pkt_datap);
6614 + datap = (char *)pkt_datap;
6615 + for (a=0; a<8 && a<len; a++, datap++)
6616 + {
6617 + printk("0x%02x ", *datap);
6618 + }
6619 + printk("\n");
6620 + }
6621 +#endif
6622 + free_desc--;
6623 + wmb();
6624 + wptr = RWPTR_ADVANCE_ONE(wptr, swtxq->total_desc_num);
6625 + frag_id++;
6626 + snd_pages--;
6627 + }
6628 +
6629 + swtxq->total_sent++;
6630 + SET_WPTR(swtxq->rwptr_reg, wptr);
6631 + dev->trans_start = jiffies;
6632 +
6633 +
6634 + // printk("MAC %d Qid %d rwptr = 0x%x, curr_desc=0x%x\n", skb->tx_port_id, tx_qid, rwptr.bits32, curr_desc);
6635 +//#ifdef GMAX_TX_INTR_DISABLED
6636 +// toe_gmac_tx_complete(tp, tx_qid, dev, 0);
6637 +//#endif
6638 + return (0);
6639 +}
6640 +
6641 +/*----------------------------------------------------------------------
6642 +* gmac_set_mac_address
6643 +*----------------------------------------------------------------------*/
6644 +
6645 +static int gmac_set_mac_address(struct net_device *dev, void *addr)
6646 +{
6647 + GMAC_INFO_T *tp= dev->priv;
6648 + struct sockaddr *sock;
6649 + unsigned int reg_val;
6650 + unsigned int i;
6651 +
6652 + sock = (struct sockaddr *) addr;
6653 + for (i = 0; i < 6; i++)
6654 + {
6655 + dev->dev_addr[i] = sock->sa_data[i];
6656 + }
6657 +
6658 + reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24);
6659 + gmac_write_reg(tp->base_addr,GMAC_STA_ADD0,reg_val,0xffffffff);
6660 + reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8);
6661 + gmac_write_reg(tp->base_addr,GMAC_STA_ADD1,reg_val,0x0000ffff);
6662 + memcpy(&eth_mac[tp->port_id][0],&dev->dev_addr[0],6);
6663 +
6664 + printk("Storlink %s address = ",dev->name);
6665 + printk("%02x",dev->dev_addr[0]);
6666 + printk("%02x",dev->dev_addr[1]);
6667 + printk("%02x",dev->dev_addr[2]);
6668 + printk("%02x",dev->dev_addr[3]);
6669 + printk("%02x",dev->dev_addr[4]);
6670 + printk("%02x\n",dev->dev_addr[5]);
6671 +
6672 + return (0);
6673 +}
6674 +
6675 +/*----------------------------------------------------------------------
6676 +* gmac_get_mac_address
6677 +* get mac address from FLASH
6678 +*----------------------------------------------------------------------*/
6679 +static void gmac_get_mac_address(void)
6680 +{
6681 +#ifdef CONFIG_MTD
6682 + extern int get_vlaninfo(vlaninfo* vlan);
6683 + static vlaninfo vlan[2];
6684 +
6685 + if (get_vlaninfo(&vlan[0]))
6686 + {
6687 + memcpy((void *)&eth_mac[0][0],vlan[0].mac,6);
6688 + // VLAN_conf[0].vid = vlan[0].vlanid;
6689 + // VLAN_conf[0].portmap = vlan[0].vlanmap;
6690 + memcpy((void *)&eth_mac[1][0],vlan[1].mac,6);
6691 + // VLAN_conf[1].vid = vlan[1].vlanid;
6692 + // VLAN_conf[1].portmap = vlan[1].vlanmap;
6693 + }
6694 +#else
6695 + unsigned int reg_val;
6696 +
6697 + reg_val = readl(IO_ADDRESS(TOE_GMAC0_BASE)+0xac);
6698 + eth_mac[0][4] = (reg_val & 0xff00) >> 8;
6699 + eth_mac[0][5] = reg_val & 0x00ff;
6700 + reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
6701 + eth_mac[1][4] = (reg_val & 0xff00) >> 8;
6702 + eth_mac[1][5] = reg_val & 0x00ff;
6703 +#endif
6704 + return;
6705 +}
6706 +
6707 +
6708 +/*----------------------------------------------------------------------
6709 +* mac_stop_txdma
6710 +*----------------------------------------------------------------------*/
6711 +void mac_stop_txdma(struct net_device *dev)
6712 +{
6713 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6714 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6715 + GMAC_TXDMA_FIRST_DESC_T txdma_busy;
6716 +
6717 + // wait idle
6718 + do
6719 + {
6720 + txdma_busy.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_DMA_TX_FIRST_DESC_REG);
6721 + } while (txdma_busy.bits.td_busy);
6722 +
6723 + /* program dma control register */
6724 + dma_ctrl.bits32 = 0;
6725 + dma_ctrl.bits.rd_enable = 0;
6726 + dma_ctrl.bits.td_enable = 0;
6727 +
6728 + dma_ctrl_mask.bits32 = 0;
6729 + dma_ctrl_mask.bits.rd_enable = 1;
6730 + dma_ctrl_mask.bits.td_enable = 1;
6731 +
6732 + gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6733 +}
6734 +
6735 +/*----------------------------------------------------------------------
6736 +* mac_start_txdma
6737 +*----------------------------------------------------------------------*/
6738 +void mac_start_txdma(struct net_device *dev)
6739 +{
6740 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6741 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6742 +
6743 + /* program dma control register */
6744 + dma_ctrl.bits32 = 0;
6745 + dma_ctrl.bits.rd_enable = 1;
6746 + dma_ctrl.bits.td_enable = 1;
6747 +
6748 + dma_ctrl_mask.bits32 = 0;
6749 + dma_ctrl_mask.bits.rd_enable = 1;
6750 + dma_ctrl_mask.bits.td_enable = 1;
6751 +
6752 + gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6753 +}
6754 +
6755 +
6756 +/*----------------------------------------------------------------------
6757 +* gmac_get_stats
6758 +*----------------------------------------------------------------------*/
6759 +
6760 +struct net_device_stats * gmac_get_stats(struct net_device *dev)
6761 +{
6762 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6763 + // unsigned int flags;
6764 + unsigned int pkt_drop;
6765 + unsigned int pkt_error;
6766 +
6767 + if (netif_running(dev))
6768 + {
6769 + /* read H/W counter */
6770 + // spin_lock_irqsave(&tp->lock,flags);
6771 + pkt_drop = gmac_read_reg(tp->base_addr,GMAC_IN_DISCARDS);
6772 + pkt_error = gmac_read_reg(tp->base_addr,GMAC_IN_ERRORS);
6773 + tp->ifStatics.rx_dropped = tp->ifStatics.rx_dropped + pkt_drop;
6774 + tp->ifStatics.rx_errors = tp->ifStatics.rx_errors + pkt_error;
6775 + // spin_unlock_irqrestore(&tp->lock,flags);
6776 + }
6777 + return &tp->ifStatics;
6778 +}
6779 +
6780 +
6781 +
6782 +/*----------------------------------------------------------------------
6783 +* mac_get_sw_tx_weight
6784 +*----------------------------------------------------------------------*/
6785 +void mac_get_sw_tx_weight(struct net_device *dev, char *weight)
6786 +{
6787 + GMAC_TX_WCR1_T sw_weigh;
6788 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6789 +
6790 + sw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG);
6791 +
6792 + weight[0] = sw_weigh.bits.sw_tq0;
6793 + weight[1] = sw_weigh.bits.sw_tq1;
6794 + weight[2] = sw_weigh.bits.sw_tq2;
6795 + weight[3] = sw_weigh.bits.sw_tq3;
6796 + weight[4] = sw_weigh.bits.sw_tq4;
6797 + weight[5] = sw_weigh.bits.sw_tq5;
6798 +}
6799 +
6800 +/*----------------------------------------------------------------------
6801 +* mac_set_sw_tx_weight
6802 +*----------------------------------------------------------------------*/
6803 +void mac_set_sw_tx_weight(struct net_device *dev, char *weight)
6804 +{
6805 + GMAC_TX_WCR1_T sw_weigh;
6806 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6807 +
6808 + sw_weigh.bits32 = 0;
6809 + sw_weigh.bits.sw_tq0 = weight[0];
6810 + sw_weigh.bits.sw_tq1 = weight[1];
6811 + sw_weigh.bits.sw_tq2 = weight[2];
6812 + sw_weigh.bits.sw_tq3 = weight[3];
6813 + sw_weigh.bits.sw_tq4 = weight[4];
6814 + sw_weigh.bits.sw_tq5 = weight[5];
6815 +
6816 + gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff);
6817 +}
6818 +
6819 +/*----------------------------------------------------------------------
6820 +* mac_get_hw_tx_weight
6821 +*----------------------------------------------------------------------*/
6822 +void mac_get_hw_tx_weight(struct net_device *dev, char *weight)
6823 +{
6824 + GMAC_TX_WCR0_T hw_weigh;
6825 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6826 +
6827 + hw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG);
6828 +
6829 + weight[0] = hw_weigh.bits.hw_tq0;
6830 + weight[1] = hw_weigh.bits.hw_tq1;
6831 + weight[2] = hw_weigh.bits.hw_tq2;
6832 + weight[3] = hw_weigh.bits.hw_tq3;
6833 +}
6834 +
6835 +/*----------------------------------------------------------------------
6836 +* mac_set_hw_tx_weight
6837 +*----------------------------------------------------------------------*/
6838 +void mac_set_hw_tx_weight(struct net_device *dev, char *weight)
6839 +{
6840 + GMAC_TX_WCR0_T hw_weigh;
6841 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
6842 +
6843 + hw_weigh.bits32 = 0;
6844 + hw_weigh.bits.hw_tq0 = weight[0];
6845 + hw_weigh.bits.hw_tq1 = weight[1];
6846 + hw_weigh.bits.hw_tq2 = weight[2];
6847 + hw_weigh.bits.hw_tq3 = weight[3];
6848 +
6849 + gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff);
6850 +}
6851 +
6852 +/*----------------------------------------------------------------------
6853 +* mac_start_tx_dma
6854 +*----------------------------------------------------------------------*/
6855 +int mac_start_tx_dma(int mac)
6856 +{
6857 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6858 +
6859 + dma_ctrl.bits32 = 0;
6860 + dma_ctrl.bits.td_enable = 1;
6861 +
6862 + dma_ctrl_mask.bits32 = 0;
6863 + dma_ctrl_mask.bits.td_enable = 1;
6864 +
6865 + if (mac == 0)
6866 + gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6867 + else
6868 + gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6869 + return 1;
6870 +}
6871 +
6872 +/*----------------------------------------------------------------------
6873 +* mac_stop_tx_dma
6874 +*----------------------------------------------------------------------*/
6875 +int mac_stop_tx_dma(int mac)
6876 +{
6877 + GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
6878 +
6879 + dma_ctrl.bits32 = 0;
6880 + dma_ctrl.bits.td_enable = 0;
6881 +
6882 + dma_ctrl_mask.bits32 = 0;
6883 + dma_ctrl_mask.bits.td_enable = 1;
6884 +
6885 + if (mac == 0)
6886 + gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6887 + else
6888 + gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
6889 + return 1;
6890 +}
6891 +
6892 +/*----------------------------------------------------------------------
6893 +* mac_read_reg(int mac, unsigned int offset)
6894 +*----------------------------------------------------------------------*/
6895 +unsigned int mac_read_reg(int mac, unsigned int offset)
6896 +{
6897 + switch (mac)
6898 + {
6899 + case 0:
6900 + return gmac_read_reg(TOE_GMAC0_BASE, offset);
6901 + case 1:
6902 + return gmac_read_reg(TOE_GMAC1_BASE, offset);
6903 + default:
6904 + return 0;
6905 + }
6906 +}
6907 +
6908 +/*----------------------------------------------------------------------
6909 +* mac_write_reg
6910 +*----------------------------------------------------------------------*/
6911 +void mac_write_reg(int mac, unsigned int offset, unsigned data)
6912 +{
6913 + switch (mac)
6914 + {
6915 + case 0:
6916 + gmac_write_reg(GMAC0_BASE, offset, data, 0xffffffff);
6917 + break;
6918 + case 1:
6919 + gmac_write_reg(GMAC1_BASE, offset, data, 0xffffffff);
6920 + break;
6921 + }
6922 +}
6923 +
6924 +/*----------------------------------------------------------------------
6925 +* mac_read_dma_reg(int mac, unsigned int offset)
6926 +*----------------------------------------------------------------------*/
6927 +u32 mac_read_dma_reg(int mac, unsigned int offset)
6928 +{
6929 + switch (mac)
6930 + {
6931 + case 0:
6932 + return gmac_read_reg(TOE_GMAC0_DMA_BASE, offset);
6933 + case 1:
6934 + return gmac_read_reg(TOE_GMAC1_DMA_BASE, offset);
6935 + default:
6936 + return 0;
6937 + }
6938 +}
6939 +
6940 +/*----------------------------------------------------------------------
6941 +* mac_write_dma_reg
6942 +*----------------------------------------------------------------------*/
6943 +void mac_write_dma_reg(int mac, unsigned int offset, u32 data)
6944 +{
6945 + switch (mac)
6946 + {
6947 + case 0:
6948 + gmac_write_reg(TOE_GMAC0_DMA_BASE, offset, data, 0xffffffff);
6949 + break;
6950 + case 1:
6951 + gmac_write_reg(TOE_GMAC1_DMA_BASE, offset, data, 0xffffffff);
6952 + break;
6953 + }
6954 +}
6955 +
6956 +/*----------------------------------------------------------------------
6957 +* ether_crc
6958 +*----------------------------------------------------------------------*/
6959 +static unsigned const ethernet_polynomial = 0x04c11db7U;
6960 +static unsigned int ether_crc (int length, unsigned char *data)
6961 +{
6962 + int crc = -1;
6963 + unsigned int i;
6964 + unsigned int crc_val=0;
6965 +
6966 + while (--length >= 0) {
6967 + unsigned char current_octet = *data++;
6968 + int bit;
6969 + for (bit = 0; bit < 8; bit++, current_octet >>= 1)
6970 + crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
6971 + ethernet_polynomial : 0);
6972 + }
6973 + crc = ~crc;
6974 + for (i=0;i<32;i++)
6975 + {
6976 + crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i));
6977 + }
6978 + return crc_val;
6979 +}
6980 +
6981 +
6982 +
6983 +/*----------------------------------------------------------------------
6984 +* mac_set_rx_mode
6985 +*----------------------------------------------------------------------*/
6986 +void mac_set_rx_mode(int pid, unsigned int data)
6987 +{
6988 + unsigned int base;
6989 +
6990 + base = (pid == 0) ? GMAC0_BASE : GMAC1_BASE;
6991 +
6992 + gmac_write_reg(base, GMAC_RX_FLTR, data, 0x0000001f);
6993 + return;
6994 +}
6995 +
6996 +
6997 +/*----------------------------------------------------------------------
6998 +* gmac_open
6999 +*----------------------------------------------------------------------*/
7000 +
7001 +static int gmac_open (struct net_device *dev)
7002 +{
7003 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
7004 + int retval;
7005 + TOE_INFO_T *toe;
7006 + toe = (TOE_INFO_T *)&toe_private_data;
7007 +
7008 + /* hook ISR */
7009 + retval = request_irq (dev->irq, toe_gmac_interrupt, IRQF_DISABLED, dev->name, dev);
7010 + if (retval)
7011 + return retval;
7012 +
7013 + toe_init_gmac(dev);
7014 +
7015 + if(!FLAG_SWITCH)
7016 + {
7017 + init_waitqueue_head (&tp->thr_wait);
7018 + init_completion(&tp->thr_exited);
7019 +
7020 + tp->time_to_die = 0;
7021 + tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES);
7022 + if (tp->thr_pid < 0)
7023 + {
7024 + printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name);
7025 + }
7026 + }
7027 +
7028 + tp->operation = 1;
7029 +
7030 + netif_start_queue (dev);
7031 +
7032 + return (0);
7033 +}
7034 +
7035 +/*----------------------------------------------------------------------
7036 +* gmac_close
7037 +*----------------------------------------------------------------------*/
7038 +static int gmac_close(struct net_device *dev)
7039 +{
7040 + TOE_INFO_T *toe;
7041 +// GMAC_RXDESC_T *sw_desc_ptr,*desc_ptr;
7042 +// unsigned int buf_ptr;
7043 + GMAC_INFO_T *tp = dev->priv;
7044 + unsigned int ret;
7045 +
7046 + toe = (TOE_INFO_T *)&toe_private_data;
7047 +
7048 + tp->operation = 0;
7049 +
7050 + netif_stop_queue(dev);
7051 + mdelay(20);
7052 +
7053 + /* stop tx/rx packet */
7054 + toe_gmac_disable_tx_rx(dev);
7055 + mdelay(20);
7056 +
7057 + /* stop the chip's Tx and Rx DMA processes */
7058 + toe_gmac_hw_stop(dev);
7059 +
7060 + toe_gmac_disable_interrupt(tp->irq);
7061 +
7062 + /* disable interrupts by clearing the interrupt mask */
7063 + synchronize_irq();
7064 + free_irq(dev->irq,dev);
7065 +
7066 +// DMA_MFREE(sw_desc_ptr, (TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->sw_freeq_desc_base_dma);
7067 +// DMA_MFREE(desc_ptr, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->hw_freeq_desc_base_dma);
7068 +// DMA_MFREE(buf_ptr, TOE_HW_FREEQ_DESC_NUM) * HW_RX_BUF_SIZE),(dma_addr_t *)&toe->hwfq_buf_base_dma);
7069 +// DMA_MFREE(toe->gmac[0].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma);
7070 +// DMA_MFREE(toe->gmac[1].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma);
7071 +// DMA_MFREE(toe->gmac[0].hwtxq_desc_base_dma , TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma);
7072 +// DMA_MFREE(toe->gmac[1].hwtxq_desc_base_dma , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma);
7073 +// DMA_MFREE(toe->gmac[0].default_desc_base_dma ,TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].default_desc_base_dma);
7074 +// DMA_MFREE(toe->gmac[1].default_desc_base_dma , TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].default_desc_base_dma);
7075 +// DMA_MFREE(toe->intr_desc_base_dma , TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->intr_desc_base_dma);
7076 +// DMA_MFREE(toe->intr_buf_base_dma , TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T),(dma_addr_t *)&toe->intr_buf_base_dma);
7077 +
7078 + if(!FLAG_SWITCH)
7079 + {
7080 + if (tp->thr_pid >= 0)
7081 + {
7082 + tp->time_to_die = 1;
7083 + wmb();
7084 + ret = kill_proc (tp->thr_pid, SIGTERM, 1);
7085 + if (ret)
7086 + {
7087 + printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
7088 + return ret;
7089 + }
7090 +// wait_for_completion (&tp->thr_exited);
7091 + }
7092 + }
7093 +
7094 + return (0);
7095 +}
7096 +
7097 +/*----------------------------------------------------------------------
7098 +* toe_gmac_fill_free_q
7099 +* allocate buffers for free queue.
7100 +*----------------------------------------------------------------------*/
7101 +static inline void toe_gmac_fill_free_q(void)
7102 +{
7103 + struct sk_buff *skb;
7104 + volatile DMA_RWPTR_T fq_rwptr;
7105 + volatile GMAC_RXDESC_T *fq_desc;
7106 + unsigned long flags;
7107 + // unsigned short max_cnt=TOE_SW_FREEQ_DESC_NUM>>1;
7108 +
7109 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
7110 + spin_lock_irqsave(&gmac_fq_lock, flags);
7111 + //while ((max_cnt--) && (unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
7112 + // TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
7113 + while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
7114 + TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
7115 + if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE)) == NULL) {
7116 + printk("%s::skb allocation fail!\n", __func__);
7117 + //while(1);
7118 + break;
7119 + }
7120 + REG32(skb->data) = (unsigned int)skb;
7121 + skb_reserve(skb, SKB_RESERVE_BYTES);
7122 + // fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
7123 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
7124 + TOE_SW_FREEQ_DESC_NUM);
7125 + fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base+fq_rwptr.bits.wptr;
7126 + fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
7127 + SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
7128 + toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32;
7129 + }
7130 + spin_unlock_irqrestore(&gmac_fq_lock, flags);
7131 +}
7132 +// EXPORT_SYMBOL(toe_gmac_fill_free_q);
7133 +
7134 +/*----------------------------------------------------------------------
7135 +* toe_gmac_interrupt
7136 +*----------------------------------------------------------------------*/
7137 +static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance)
7138 +{
7139 + struct net_device *dev = (struct net_device *)dev_instance;
7140 + TOE_INFO_T *toe;
7141 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
7142 + unsigned int status0;
7143 + unsigned int status1;
7144 + unsigned int status2;
7145 + unsigned int status3;
7146 + unsigned int status4;
7147 +
7148 +// struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
7149 + toe = (TOE_INFO_T *)&toe_private_data;
7150 +// handle NAPI
7151 +#ifdef CONFIG_SL_NAPI
7152 +if (storlink_ctl.pauseoff == 1)
7153 +{
7154 +/* disable GMAC interrupt */
7155 + //toe_gmac_disable_interrupt(tp->irq);
7156 +
7157 +// isPtr->interrupts++;
7158 + /* read Interrupt status */
7159 + status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
7160 + status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
7161 + status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
7162 + status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
7163 + status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
7164 + // prompt warning if status bit ON but not enabled
7165 +#if 0
7166 + if (status0 & ~tp->intr0_enabled)
7167 + printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n",
7168 + status0, tp->intr0_enabled);
7169 + if (status1 & ~tp->intr1_enabled)
7170 + printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n",
7171 + status1, tp->intr1_enabled);
7172 + if (status2 & ~tp->intr2_enabled)
7173 + printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n",
7174 + status2, tp->intr2_enabled);
7175 + if (status3 & ~tp->intr3_enabled)
7176 + printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n",
7177 + status3, tp->intr3_enabled);
7178 + if (status4 & ~tp->intr4_enabled)
7179 + printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n",
7180 + status4, tp->intr4_enabled);
7181 +#endif
7182 +
7183 + if (status0)
7184 + writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG);
7185 + if (status1)
7186 + writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG);
7187 + if (status2)
7188 + writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG);
7189 + if (status3)
7190 + writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG);
7191 + if (status4)
7192 + writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
7193 +#if 0
7194 + /* handle freeq interrupt first */
7195 + if (status4 & tp->intr4_enabled) {
7196 + if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
7197 + {
7198 + // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
7199 + //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
7200 + // tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
7201 +
7202 + if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev))
7203 + toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]);
7204 + if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev))
7205 + toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]);
7206 + printk("\nfreeq int\n");
7207 + toe_gmac_fill_free_q();
7208 + tp->sw_fq_empty_cnt++;
7209 +
7210 + }
7211 + }
7212 +#endif
7213 + // Interrupt Status 1
7214 + if (status1 & tp->intr1_enabled)
7215 + {
7216 + #define G1_INTR0_BITS (GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT)
7217 + #define G0_INTR0_BITS (GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT)
7218 + // Handle GMAC 0/1 HW Tx queue 0-3 EOF events
7219 + // Only count
7220 + // TOE, Classification, and default queues interrupts are handled by ISR
7221 + // because they should pass packets to upper layer
7222 + if (tp->port_id == 0)
7223 + {
7224 + if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS))
7225 + {
7226 + if (status1 & GMAC0_HWTQ03_EOF_INT_BIT)
7227 + tp->hwtxq[3].eof_cnt++;
7228 + if (status1 & GMAC0_HWTQ02_EOF_INT_BIT)
7229 + tp->hwtxq[2].eof_cnt++;
7230 + if (status1 & GMAC0_HWTQ01_EOF_INT_BIT)
7231 + tp->hwtxq[1].eof_cnt++;
7232 + if (status1 & GMAC0_HWTQ00_EOF_INT_BIT)
7233 + tp->hwtxq[0].eof_cnt++;
7234 + }
7235 + if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT))
7236 + {
7237 + if (likely(netif_rx_schedule_prep(dev)))
7238 + {
7239 + unsigned int data32;
7240 + // disable GMAC-0 rx interrupt
7241 + // class-Q & TOE-Q are implemented in future
7242 + //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
7243 + //data32 &= ~DEFAULT_Q0_INT_BIT;
7244 + //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
7245 + //printk("\%s: DEFAULT_Q0_INT_BIT===================>>>>>>>>>>>>\n",__func__);
7246 + writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
7247 + //tp->total_q_cnt_napi=0;
7248 + //rx_time = jiffies;
7249 + //rx_old_bytes = isPtr->rx_bytes;
7250 + __netif_rx_schedule(dev);
7251 + }
7252 + }
7253 + }
7254 + else if (tp->port_id == 1)
7255 + {
7256 + if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
7257 + {
7258 + if (status1 & GMAC1_HWTQ13_EOF_INT_BIT)
7259 + tp->hwtxq[3].eof_cnt++;
7260 + if (status1 & GMAC1_HWTQ12_EOF_INT_BIT)
7261 + tp->hwtxq[2].eof_cnt++;
7262 + if (status1 & GMAC1_HWTQ11_EOF_INT_BIT)
7263 + tp->hwtxq[1].eof_cnt++;
7264 + if (status1 & GMAC1_HWTQ10_EOF_INT_BIT)
7265 + tp->hwtxq[0].eof_cnt++;
7266 + }
7267 +
7268 + if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
7269 + {
7270 + if (likely(netif_rx_schedule_prep(dev)))
7271 + {
7272 + unsigned int data32;
7273 + // disable GMAC-0 rx interrupt
7274 + // class-Q & TOE-Q are implemented in future
7275 + //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
7276 + //data32 &= ~DEFAULT_Q1_INT_BIT;
7277 + //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
7278 + //printk("\%s: 1111111111--->DEFAULT_Q1_INT_BIT===================>>>>>>>>>>>>\n",__func__);
7279 + writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
7280 + //tp->total_q_cnt_napi=0;
7281 + //rx_time = jiffies;
7282 + //rx_old_bytes = isPtr->rx_bytes;
7283 + __netif_rx_schedule(dev);
7284 + }
7285 + }
7286 + }
7287 + }
7288 +
7289 + // Interrupt Status 0
7290 + if (status0 & tp->intr0_enabled)
7291 + {
7292 + #define ERR_INTR_BITS (GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | \
7293 + GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | \
7294 + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | \
7295 + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT)
7296 +
7297 + if (status0 & ERR_INTR_BITS)
7298 + {
7299 + if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT))
7300 + {
7301 + tp->txDerr_cnt[0]++;
7302 + printk("GMAC0 TX AHB Bus Error!\n");
7303 + }
7304 + if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT))
7305 + {
7306 + tp->txPerr_cnt[0]++;
7307 + printk("GMAC0 Tx Descriptor Protocol Error!\n");
7308 + }
7309 + if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT))
7310 + {
7311 + tp->txDerr_cnt[1]++;
7312 + printk("GMAC1 Tx AHB Bus Error!\n");
7313 + }
7314 + if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT))
7315 + {
7316 + tp->txPerr_cnt[1]++;
7317 + printk("GMAC1 Tx Descriptor Protocol Error!\n");
7318 + }
7319 +
7320 + if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT))
7321 + {
7322 + tp->RxDerr_cnt[0]++;
7323 + printk("GMAC0 Rx AHB Bus Error!\n");
7324 + }
7325 + if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT))
7326 + {
7327 + tp->RxPerr_cnt[0]++;
7328 + printk("GMAC0 Rx Descriptor Protocol Error!\n");
7329 + }
7330 + if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT))
7331 + {
7332 + tp->RxDerr_cnt[1]++;
7333 + printk("GMAC1 Rx AHB Bus Error!\n");
7334 + }
7335 + if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT))
7336 + {
7337 + tp->RxPerr_cnt[1]++;
7338 + printk("GMAC1 Rx Descriptor Protocol Error!\n");
7339 + }
7340 + }
7341 +
7342 +#ifndef GMAX_TX_INTR_DISABLED
7343 + if (tp->port_id == 1 && netif_running(dev) &&
7344 + (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
7345 + ||
7346 + ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT))))
7347 + {
7348 + toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1);
7349 + }
7350 +
7351 + if (tp->port_id == 0 && netif_running(dev) &&
7352 + (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
7353 + ||
7354 + ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT))))
7355 + {
7356 + toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1);
7357 + }
7358 +#endif
7359 + }
7360 + // Interrupt Status 4
7361 + if (status4 & tp->intr4_enabled)
7362 + {
7363 + #define G1_INTR4_BITS (0xff000000)
7364 + #define G0_INTR4_BITS (0x00ff0000)
7365 +
7366 + if (tp->port_id == 0)
7367 + {
7368 + if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS))
7369 + {
7370 + if (status4 & GMAC0_RESERVED_INT_BIT)
7371 + printk("GMAC0_RESERVED_INT_BIT is ON\n");
7372 + if (status4 & GMAC0_MIB_INT_BIT)
7373 + tp->mib_full_cnt++;
7374 + if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT)
7375 + tp->rx_pause_on_cnt++;
7376 + if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT)
7377 + tp->tx_pause_on_cnt++;
7378 + if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT)
7379 + tp->rx_pause_off_cnt++;
7380 + if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT)
7381 + tp->rx_pause_off_cnt++;
7382 + if (status4 & GMAC0_RX_OVERRUN_INT_BIT)
7383 + tp->rx_overrun_cnt++;
7384 + if (status4 & GMAC0_STATUS_CHANGE_INT_BIT)
7385 + tp->status_changed_cnt++;
7386 + }
7387 + }
7388 + else if (tp->port_id == 1)
7389 + {
7390 + if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS))
7391 + {
7392 + if (status4 & GMAC1_RESERVED_INT_BIT)
7393 + printk("GMAC1_RESERVED_INT_BIT is ON\n");
7394 + if (status4 & GMAC1_MIB_INT_BIT)
7395 + tp->mib_full_cnt++;
7396 + if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT)
7397 + {
7398 + printk("Gmac pause on\n");
7399 + tp->rx_pause_on_cnt++;
7400 + }
7401 + if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT)
7402 + {
7403 + printk("Gmac pause on\n");
7404 + tp->tx_pause_on_cnt++;
7405 + }
7406 + if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT)
7407 + {
7408 + printk("Gmac pause off\n");
7409 + tp->rx_pause_off_cnt++;
7410 + }
7411 + if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT)
7412 + {
7413 + printk("Gmac pause off\n");
7414 + tp->rx_pause_off_cnt++;
7415 + }
7416 + if (status4 & GMAC1_RX_OVERRUN_INT_BIT)
7417 + {
7418 + //printk("Gmac Rx Overrun \n");
7419 + tp->rx_overrun_cnt++;
7420 + }
7421 + if (status4 & GMAC1_STATUS_CHANGE_INT_BIT)
7422 + tp->status_changed_cnt++;
7423 + }
7424 + }
7425 + }
7426 +
7427 + //toe_gmac_enable_interrupt(tp->irq);
7428 +#ifdef IxscriptMate_1518
7429 + if (storlink_ctl.pauseoff == 1)
7430 + {
7431 + GMAC_CONFIG0_T config0;
7432 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7433 + config0.bits.dis_rx = 0;
7434 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7435 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7436 + config0.bits.dis_rx = 0;
7437 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7438 + }
7439 +#endif
7440 +// enable_irq(gmac_irq[dev_index]);
7441 + //printk("gmac_interrupt complete!\n\n");
7442 +// return IRQ_RETVAL(handled);
7443 + return IRQ_RETVAL(1);
7444 +}
7445 +else
7446 +{
7447 +#endif //endif NAPI
7448 +
7449 +
7450 + /* disable GMAC interrupt */
7451 + toe_gmac_disable_interrupt(tp->irq);
7452 +
7453 +// isPtr->interrupts++;
7454 + /* read Interrupt status */
7455 + status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
7456 + status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
7457 + status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
7458 + status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
7459 + status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
7460 + // prompt warning if status bit ON but not enabled
7461 +#if 0
7462 + if (status0 & ~tp->intr0_enabled)
7463 + printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n",
7464 + status0, tp->intr0_enabled);
7465 + if (status1 & ~tp->intr1_enabled)
7466 + printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n",
7467 + status1, tp->intr1_enabled);
7468 + if (status2 & ~tp->intr2_enabled)
7469 + printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n",
7470 + status2, tp->intr2_enabled);
7471 + if (status3 & ~tp->intr3_enabled)
7472 + printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n",
7473 + status3, tp->intr3_enabled);
7474 + if (status4 & ~tp->intr4_enabled)
7475 + printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n",
7476 + status4, tp->intr4_enabled);
7477 +#endif
7478 +#define INTERRUPT_SELECT 1
7479 + if (status0)
7480 + writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG);
7481 + if (status1)
7482 + writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG);
7483 + if (status2)
7484 + writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG);
7485 + if (status3)
7486 + writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG);
7487 + if (status4)
7488 + writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
7489 +
7490 + /* handle freeq interrupt first */
7491 + if (status4 & tp->intr4_enabled) {
7492 + if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
7493 + {
7494 + // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
7495 + //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
7496 + // tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
7497 +
7498 + //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG,
7499 + // SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
7500 + if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev))
7501 + toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]);
7502 + if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev))
7503 + toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]);
7504 + printk("\nfreeq int\n");
7505 + toe_gmac_fill_free_q();
7506 + tp->sw_fq_empty_cnt++;
7507 +
7508 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
7509 + SWFQ_EMPTY_INT_BIT);
7510 + }
7511 + }
7512 +
7513 + // Interrupt Status 1
7514 + if (status1 & tp->intr1_enabled)
7515 + {
7516 + #define G1_INTR0_BITS (GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT)
7517 + #define G0_INTR0_BITS (GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT)
7518 + // Handle GMAC 0/1 HW Tx queue 0-3 EOF events
7519 + // Only count
7520 + // TOE, Classification, and default queues interrupts are handled by ISR
7521 + // because they should pass packets to upper layer
7522 + if (tp->port_id == 0)
7523 + {
7524 +#ifndef INTERRUPT_SELECT
7525 + if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS))
7526 + {
7527 + if (status1 & GMAC0_HWTQ03_EOF_INT_BIT)
7528 + tp->hwtxq[3].eof_cnt++;
7529 + if (status1 & GMAC0_HWTQ02_EOF_INT_BIT)
7530 + tp->hwtxq[2].eof_cnt++;
7531 + if (status1 & GMAC0_HWTQ01_EOF_INT_BIT)
7532 + tp->hwtxq[1].eof_cnt++;
7533 + if (status1 & GMAC0_HWTQ00_EOF_INT_BIT)
7534 + tp->hwtxq[0].eof_cnt++;
7535 +#endif //INTERRUPT_SELECT
7536 +#ifndef INTERRUPT_SELECT
7537 + }
7538 +#endif //INTERRUPT_SELECT
7539 + if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT))
7540 + {
7541 + tp->default_q_intr_cnt++;
7542 + toe_gmac_handle_default_rxq(dev, tp);
7543 + }
7544 +#ifdef CONFIG_SL351x_RXTOE
7545 + if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) &&
7546 + (tp->intr1_enabled & TOE_IQ_ALL_BITS)) {
7547 + //printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected);
7548 + toe_gmac_handle_toeq(dev, tp, status1);
7549 + //toe_gmac_handle_toeq(dev, toe, tp, status1);
7550 + }
7551 +#endif
7552 + }
7553 + else if (tp->port_id == 1)
7554 + {
7555 +#ifndef INTERRUPT_SELECT
7556 + if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
7557 + {
7558 + if (status1 & GMAC1_HWTQ13_EOF_INT_BIT)
7559 + tp->hwtxq[3].eof_cnt++;
7560 + if (status1 & GMAC1_HWTQ12_EOF_INT_BIT)
7561 + tp->hwtxq[2].eof_cnt++;
7562 + if (status1 & GMAC1_HWTQ11_EOF_INT_BIT)
7563 + tp->hwtxq[1].eof_cnt++;
7564 + if (status1 & GMAC1_HWTQ10_EOF_INT_BIT)
7565 + tp->hwtxq[0].eof_cnt++;
7566 +#endif //INTERRUPT_SELECT
7567 +#ifndef INTERRUPT_SELECT
7568 + }
7569 +#endif //INTERRUPT_SELECT
7570 + if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
7571 + {
7572 + tp->default_q_intr_cnt++;
7573 + toe_gmac_handle_default_rxq(dev, tp);
7574 + }
7575 +#ifdef CONFIG_SL351x_RXTOE
7576 + if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) &&
7577 + (tp->intr1_enabled & TOE_IQ_ALL_BITS)) {
7578 + //printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected);
7579 + toe_gmac_handle_toeq(dev, tp, status1);
7580 + //toe_gmac_handle_toeq(dev, toe, tp, status1);
7581 + }
7582 +#endif
7583 + }
7584 + }
7585 +
7586 +
7587 + // Interrupt Status 0
7588 + if (status0 & tp->intr0_enabled)
7589 + {
7590 +
7591 + #define ERR_INTR_BITS (GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | \
7592 + GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | \
7593 + GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | \
7594 + GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT)
7595 +#ifndef INTERRUPT_SELECT
7596 + if (status0 & ERR_INTR_BITS)
7597 + {
7598 + if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT))
7599 + {
7600 + tp->txDerr_cnt[0]++;
7601 + printk("GMAC0 TX AHB Bus Error!\n");
7602 + }
7603 + if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT))
7604 + {
7605 + tp->txPerr_cnt[0]++;
7606 + printk("GMAC0 Tx Descriptor Protocol Error!\n");
7607 + }
7608 + if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT))
7609 + {
7610 + tp->txDerr_cnt[1]++;
7611 + printk("GMAC1 Tx AHB Bus Error!\n");
7612 + }
7613 + if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT))
7614 + {
7615 + tp->txPerr_cnt[1]++;
7616 + printk("GMAC1 Tx Descriptor Protocol Error!\n");
7617 + }
7618 +
7619 + if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT))
7620 + {
7621 + tp->RxDerr_cnt[0]++;
7622 + printk("GMAC0 Rx AHB Bus Error!\n");
7623 + }
7624 + if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT))
7625 + {
7626 + tp->RxPerr_cnt[0]++;
7627 + printk("GMAC0 Rx Descriptor Protocol Error!\n");
7628 + }
7629 + if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT))
7630 + {
7631 + tp->RxDerr_cnt[1]++;
7632 + printk("GMAC1 Rx AHB Bus Error!\n");
7633 + }
7634 + if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT))
7635 + {
7636 + tp->RxPerr_cnt[1]++;
7637 + printk("GMAC1 Rx Descriptor Protocol Error!\n");
7638 + }
7639 + }
7640 +#endif //INTERRUPT_SELECT
7641 +#ifndef GMAX_TX_INTR_DISABLED
7642 + if (tp->port_id == 1 && netif_running(dev) &&
7643 + (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
7644 + ||
7645 + ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT))))
7646 + {
7647 + toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1);
7648 + }
7649 +
7650 + if (tp->port_id == 0 && netif_running(dev) &&
7651 + (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
7652 + ||
7653 + ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT))))
7654 + {
7655 + toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1);
7656 + }
7657 +#endif
7658 + // clear enabled status bits
7659 + }
7660 + // Interrupt Status 4
7661 +#ifndef INTERRUPT_SELECT
7662 + if (status4 & tp->intr4_enabled)
7663 + {
7664 + #define G1_INTR4_BITS (0xff000000)
7665 + #define G0_INTR4_BITS (0x00ff0000)
7666 +
7667 + if (tp->port_id == 0)
7668 + {
7669 + if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS))
7670 + {
7671 + if (status4 & GMAC0_RESERVED_INT_BIT)
7672 + printk("GMAC0_RESERVED_INT_BIT is ON\n");
7673 + if (status4 & GMAC0_MIB_INT_BIT)
7674 + tp->mib_full_cnt++;
7675 + if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT)
7676 + tp->rx_pause_on_cnt++;
7677 + if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT)
7678 + tp->tx_pause_on_cnt++;
7679 + if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT)
7680 + tp->rx_pause_off_cnt++;
7681 + if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT)
7682 + tp->rx_pause_off_cnt++;
7683 + if (status4 & GMAC0_RX_OVERRUN_INT_BIT)
7684 + tp->rx_overrun_cnt++;
7685 + if (status4 & GMAC0_STATUS_CHANGE_INT_BIT)
7686 + tp->status_changed_cnt++;
7687 + }
7688 + }
7689 + else if (tp->port_id == 1)
7690 + {
7691 + if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS))
7692 + {
7693 + if (status4 & GMAC1_RESERVED_INT_BIT)
7694 + printk("GMAC1_RESERVED_INT_BIT is ON\n");
7695 + if (status4 & GMAC1_MIB_INT_BIT)
7696 + tp->mib_full_cnt++;
7697 + if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT)
7698 + {
7699 + //printk("Gmac pause on\n");
7700 + tp->rx_pause_on_cnt++;
7701 + }
7702 + if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT)
7703 + {
7704 + //printk("Gmac pause on\n");
7705 + tp->tx_pause_on_cnt++;
7706 + }
7707 + if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT)
7708 + {
7709 + //printk("Gmac pause off\n");
7710 + tp->rx_pause_off_cnt++;
7711 + }
7712 + if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT)
7713 + {
7714 + //printk("Gmac pause off\n");
7715 + tp->rx_pause_off_cnt++;
7716 + }
7717 + if (status4 & GMAC1_RX_OVERRUN_INT_BIT)
7718 + {
7719 + //printk("Gmac Rx Overrun \n");
7720 + tp->rx_overrun_cnt++;
7721 + }
7722 + if (status4 & GMAC1_STATUS_CHANGE_INT_BIT)
7723 + tp->status_changed_cnt++;
7724 + }
7725 + }
7726 +#if 0
7727 + if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
7728 + {
7729 + // unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
7730 +// mac_stop_rxdma(tp->sc);
7731 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
7732 + tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
7733 +
7734 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG,
7735 + SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
7736 + toe_gmac_fill_free_q();
7737 + tp->sw_fq_empty_cnt++;
7738 +
7739 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
7740 + SWFQ_EMPTY_INT_BIT);
7741 +//#if 0
7742 +/* if (netif_running(dev))
7743 + toe_gmac_handle_default_rxq(dev, tp);
7744 + printk("SWFQ_EMPTY_INT_BIT is ON!\n"); // should not be happened */
7745 +//#endif
7746 + }
7747 +#endif
7748 + }
7749 +#endif //INTERRUPT_SELECT
7750 + toe_gmac_enable_interrupt(tp->irq);
7751 +//enable gmac rx function when do RFC 2544
7752 +#ifdef IxscriptMate_1518
7753 + if (storlink_ctl.pauseoff == 1)
7754 + {
7755 + GMAC_CONFIG0_T config0;
7756 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7757 + config0.bits.dis_rx = 0;
7758 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7759 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7760 + config0.bits.dis_rx = 0;
7761 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7762 + }
7763 +#endif
7764 + //printk("gmac_interrupt complete!\n\n");
7765 +// return IRQ_RETVAL(handled);
7766 + return IRQ_RETVAL(1);
7767 +#ifdef CONFIG_SL_NAPI
7768 +}
7769 +#endif
7770 +}
7771 +
7772 +/*----------------------------------------------------------------------
7773 +* toe_gmac_handle_default_rxq
7774 +* (1) Get rx Buffer for default Rx queue
7775 +* (2) notify or call upper-routine to handle it
7776 +* (3) get a new buffer and insert it into SW free queue
7777 +* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing
7778 +*----------------------------------------------------------------------*/
7779 +//static inline void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp)
7780 +static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp)
7781 +{
7782 + TOE_INFO_T *toe;
7783 + GMAC_RXDESC_T *curr_desc;
7784 + struct sk_buff *skb;
7785 + DMA_RWPTR_T rwptr;
7786 + unsigned int pkt_size;
7787 + int max_cnt;
7788 + unsigned int desc_count;
7789 + unsigned int good_frame, chksum_status, rx_status;
7790 + struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
7791 +
7792 +//when do ixia RFC 2544 test and packet size is select 1518 bytes,disable gmace rx function immediately after one interrupt come in.
7793 +#ifdef IxscriptMate_1518
7794 + if (storlink_ctl.pauseoff == 1)
7795 + {
7796 + GMAC_CONFIG0_T config0;
7797 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7798 + config0.bits.dis_rx = 1;
7799 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7800 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7801 + config0.bits.dis_rx = 1;
7802 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7803 + }
7804 +#endif
7805 + rwptr.bits32 = readl(&tp->default_qhdr->word1);
7806 +#if 0
7807 + if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr)
7808 + {
7809 + mac_stop_txdma((struct net_device *)tp->dev);
7810 + printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n",
7811 + rwptr.bits32, tp->rx_rwptr.bits.rptr);
7812 + while(1);
7813 + }
7814 +#endif
7815 + toe = (TOE_INFO_T *)&toe_private_data;
7816 + max_cnt = DEFAULT_RXQ_MAX_CNT;
7817 + while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr)
7818 +// while (rwptr.bits.rptr != rwptr.bits.wptr)
7819 + {
7820 +//if packet size is not 1518 for RFC 2544,enable gmac rx function.The other packet size have RX workaround.
7821 +#ifdef IxscriptMate_1518
7822 + if (storlink_ctl.pauseoff == 1)
7823 + {
7824 + if (pkt_size != 1514)
7825 + {
7826 + GMAC_CONFIG0_T config0;
7827 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7828 + config0.bits.dis_rx = 0;
7829 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7830 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7831 + config0.bits.dis_rx = 0;
7832 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7833 + }
7834 + }
7835 +#endif
7836 + curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
7837 +// consistent_sync(curr_desc, sizeof(GMAC_RXDESC_T), PCI_DMA_FROMDEVICE);
7838 + tp->default_q_cnt++;
7839 + tp->rx_curr_desc = (unsigned int)curr_desc;
7840 + rx_status = curr_desc->word0.bits.status;
7841 + chksum_status = curr_desc->word0.bits.chksum_status;
7842 + tp->rx_status_cnt[rx_status]++;
7843 + tp->rx_chksum_cnt[chksum_status]++;
7844 + pkt_size = curr_desc->word1.bits.byte_count; /*total byte count in a frame*/
7845 + desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
7846 + good_frame=1;
7847 + if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
7848 + || (pkt_size < 60)
7849 + || (chksum_status & 0x4)
7850 + || rx_status)
7851 + {
7852 + good_frame = 0;
7853 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
7854 + printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id);
7855 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
7856 + printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id);
7857 + if (rx_status)
7858 + {
7859 + if (rx_status == 4 || rx_status == 7)
7860 + isPtr->rx_crc_errors++;
7861 +// printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id);
7862 + }
7863 +#ifdef SL351x_GMAC_WORKAROUND
7864 + else if (pkt_size < 60)
7865 + {
7866 + if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD)
7867 + tp->short_frames_cnt++;
7868 + if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
7869 + {
7870 + GMAC_CONFIG0_T config0;
7871 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7872 + config0.bits.dis_rx = 1;
7873 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7874 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7875 + config0.bits.dis_rx = 1;
7876 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7877 + }
7878 + }
7879 +#endif
7880 +// if (chksum_status)
7881 +// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
7882 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
7883 + dev_kfree_skb_irq(skb);
7884 + }
7885 + if (good_frame)
7886 + {
7887 + if (curr_desc->word0.bits.drop)
7888 + printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id);
7889 +// if (chksum_status)
7890 +// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
7891 +
7892 + /* get frame information from the first descriptor of the frame */
7893 +#ifdef SL351x_GMAC_WORKAROUND
7894 + if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
7895 + {
7896 + GMAC_CONFIG0_T config0;
7897 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
7898 + config0.bits.dis_rx = 0;
7899 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
7900 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
7901 + config0.bits.dis_rx = 0;
7902 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
7903 + }
7904 + tp->short_frames_cnt = 0;
7905 +#endif
7906 + isPtr->rx_packets++;
7907 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr - SKB_RESERVE_BYTES)));
7908 + if (!skb)
7909 + {
7910 + printk("Fatal Error!!skb==NULL\n");
7911 + goto next_rx;
7912 + }
7913 + tp->curr_rx_skb = skb;
7914 + // consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE);
7915 +
7916 + // curr_desc->word2.buf_adr = 0;
7917 +
7918 + skb_reserve (skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */
7919 + skb_put(skb, pkt_size);
7920 + skb->dev = dev;
7921 + if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK)
7922 + {
7923 + skb->ip_summed = CHECKSUM_UNNECESSARY;
7924 +#ifdef CONFIG_SL351x_NAT
7925 + if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
7926 + {
7927 + struct iphdr *ip_hdr;
7928 + ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
7929 + sl351x_nat_input(skb,
7930 + tp->port_id,
7931 + (void *)curr_desc->word3.bits.l3_offset,
7932 + (void *)curr_desc->word3.bits.l4_offset);
7933 + }
7934 +#endif
7935 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
7936 +#if 0
7937 +#ifdef CONFIG_SL351x_RXTOE
7938 + if (storlink_ctl.rx_max_pktsize) {
7939 + struct iphdr *ip_hdr;
7940 + struct tcphdr *tcp_hdr;
7941 + int ip_hdrlen;
7942 +
7943 + ip_hdr = (struct iphdr*)&(skb->data[0]);
7944 + if ((skb->protocol == __constant_htons(ETH_P_IP)) &&
7945 + ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) {
7946 + ip_hdrlen = ip_hdr->ihl << 2;
7947 + tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]);
7948 + if (tcp_hdr->syn) {
7949 + struct toe_conn* connection = init_toeq(ip_hdr->version,
7950 + ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14);
7951 + TCP_SKB_CB(skb)->connection = connection;
7952 + // hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index);
7953 + // printk("%s::skb data %x, conn %x, mode %x\n",
7954 + // __func__, skb->data, connection, connection->mode);
7955 + }
7956 + }
7957 + }
7958 +#endif
7959 +#endif
7960 + }
7961 + else if (chksum_status == RX_CHKSUM_IP_OK_ONLY)
7962 + {
7963 + skb->ip_summed = CHECKSUM_UNNECESSARY;
7964 +#ifdef CONFIG_SL351x_NAT
7965 + if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
7966 + {
7967 + struct iphdr *ip_hdr;
7968 + //struct tcphdr *tcp_hdr;
7969 + ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
7970 + //tcp_hdr = (struct tcphdr *)&(skb->data[curr_desc->word3.bits.l4_offset]);
7971 + if (ip_hdr->protocol == IPPROTO_UDP)
7972 + {
7973 + sl351x_nat_input(skb,
7974 + tp->port_id,
7975 + (void *)curr_desc->word3.bits.l3_offset,
7976 + (void *)curr_desc->word3.bits.l4_offset);
7977 + }
7978 + else if (ip_hdr->protocol == IPPROTO_GRE)
7979 + {
7980 + sl351x_nat_input(skb,
7981 + tp->port_id,
7982 + (void *)curr_desc->word3.bits.l3_offset,
7983 + (void *)curr_desc->word3.bits.l4_offset);
7984 + }
7985 + }
7986 +#endif
7987 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
7988 + }
7989 + else
7990 + {
7991 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
7992 + }
7993 +
7994 + netif_rx(skb); /* socket rx */
7995 + dev->last_rx = jiffies;
7996 +
7997 + isPtr->rx_bytes += pkt_size;
7998 +
7999 + }
8000 +
8001 +next_rx:
8002 + // advance one for Rx default Q 0/1
8003 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
8004 + SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
8005 + tp->rx_rwptr.bits32 = rwptr.bits32;
8006 +
8007 + toe_gmac_fill_free_q();
8008 + }
8009 +}
8010 +
8011 +/*----------------------------------------------------------------------
8012 +* gmac_get_phy_vendor
8013 +*----------------------------------------------------------------------*/
8014 +static unsigned int gmac_get_phy_vendor(int phy_addr)
8015 +{
8016 + unsigned int reg_val;
8017 + reg_val=(mii_read(phy_addr,0x02) << 16) + mii_read(phy_addr,0x03);
8018 + return reg_val;
8019 +}
8020 +
8021 +/*----------------------------------------------------------------------
8022 +* gmac_set_phy_status
8023 +*----------------------------------------------------------------------*/
8024 +void gmac_set_phy_status(struct net_device *dev)
8025 +{
8026 + GMAC_INFO_T *tp = dev->priv;
8027 + GMAC_STATUS_T status;
8028 + unsigned int reg_val, ability,wan_port_id;
8029 + unsigned int i = 0;
8030 +
8031 +#ifdef VITESSE_G5SWITCH
8032 + if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1)){
8033 +#if 0
8034 + rcv_mask = SPI_read(2,0,0x10); // Receive mask
8035 + rcv_mask |= 0x4F;
8036 + for(i=0;i<4;i++){
8037 + reg_val = BIT(26)|(i<<21)|(10<<16);
8038 + SPI_write(3,0,1,reg_val);
8039 + msleep(10);
8040 + reg_val = SPI_read(3,0,2);
8041 + if(reg_val & 0x0c00){
8042 + printk("Port%d:Giga mode\n",i);
8043 + SPI_write(1,i,0x00,0x300701B1);
8044 + SPI_write(1,i,0x00,0x10070181);
8045 + switch_pre_link[i]=LINK_UP;
8046 + switch_pre_speed[i]=GMAC_SPEED_1000;
8047 + }
8048 + else{
8049 + reg_val = BIT(26)|(i<<21)|(5<<16);
8050 + SPI_write(3,0,1,reg_val);
8051 + msleep(10);
8052 + ability = (reg_val = SPI_read(3,0,2)&0x5e0) >>5;
8053 + if ((ability & 0x0C)) /* 100M full duplex */
8054 + {
8055 + SPI_write(1,i,0x00,0x30050472);
8056 + SPI_write(1,i,0x00,0x10050442);
8057 + printk("Port%d:100M\n",i);
8058 + switch_pre_link[i]=LINK_UP;
8059 + switch_pre_speed[i]=GMAC_SPEED_100;
8060 + }
8061 + else if((ability & 0x03)) /* 10M full duplex */
8062 + {
8063 + SPI_write(1,i,0x00,0x30050473);
8064 + SPI_write(1,i,0x00,0x10050443);
8065 + printk("Port%d:10M\n",i);
8066 + switch_pre_link[i]=LINK_UP;
8067 + switch_pre_speed[i]=GMAC_SPEED_10;
8068 + }
8069 + else{
8070 + SPI_write(1,i,0x00,BIT(16)); // disable RX
8071 + SPI_write(5,0,0x0E,BIT(i)); // dicard packet
8072 + while((SPI_read(5,0,0x0C)&BIT(i))==0) // wait to be empty
8073 + msleep(1);
8074 +
8075 + SPI_write(1,i,0x00,0x20000030); // PORT_RST
8076 + switch_pre_link[i]=LINK_DOWN;
8077 + switch_pre_speed[i]=GMAC_SPEED_10;
8078 + rcv_mask &= ~BIT(i);
8079 + SPI_write(2,0,0x10,rcv_mask); // Disable Receive
8080 + }
8081 + }
8082 + }
8083 +#endif
8084 + gmac_get_switch_status(dev);
8085 + gmac_write_reg(tp->base_addr, GMAC_STATUS, 0x7d, 0x0000007f);
8086 +// SPI_write(2,0,0x10,rcv_mask); // Enable Receive
8087 + return ;
8088 + }
8089 +#endif
8090 +
8091 + reg_val = gmac_get_phy_vendor(tp->phy_addr);
8092 + printk("GMAC-%d Addr %d Vendor ID: 0x%08x\n", tp->port_id, tp->phy_addr, reg_val);
8093 +
8094 + switch (tp->phy_mode)
8095 + {
8096 + case GMAC_PHY_GMII:
8097 + mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
8098 + #ifdef CONFIG_SL3516_ASIC
8099 + mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */
8100 + #else
8101 + mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */
8102 + #endif
8103 + break;
8104 + case GMAC_PHY_RGMII_100:
8105 + mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
8106 + mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */
8107 + break;
8108 + case GMAC_PHY_RGMII_1000:
8109 + mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
8110 + #ifdef CONFIG_SL3516_ASIC
8111 + mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */
8112 + #else
8113 + mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */
8114 + #endif
8115 + break;
8116 + case GMAC_PHY_MII:
8117 + default:
8118 + mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
8119 + mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */
8120 + break;
8121 + }
8122 +
8123 + mii_write(tp->phy_addr,0x18,0x0041); // Phy active led
8124 + if (tp->auto_nego_cfg)
8125 + {
8126 + reg_val = 0x1200 | (1 << 15);
8127 + mii_write(tp->phy_addr,0x00,reg_val); /* Enable and Restart Auto-Negotiation */
8128 + mdelay(500);
8129 + reg_val &= ~(1 << 15);
8130 + mii_write(tp->phy_addr, 0x00, reg_val);
8131 + }
8132 + else
8133 + {
8134 + reg_val = 0;
8135 + reg_val |= (tp->full_duplex_cfg) ? (1 << 8) : 0;
8136 + reg_val |= (tp->speed_cfg == GMAC_SPEED_1000) ? (1 << 6) : 0;
8137 + reg_val |= (tp->speed_cfg == GMAC_SPEED_100) ? (1 << 13) : 0;
8138 + mii_write(tp->phy_addr, 0x00, reg_val);
8139 + mdelay(100);
8140 +
8141 + reg_val |= (1 << 15); // Reset PHY;
8142 + mii_write(tp->phy_addr, 0x00, reg_val);
8143 + }
8144 +
8145 + status.bits32 = 0;
8146 + /* set PHY operation mode */
8147 + status.bits.mii_rmii = tp->phy_mode;
8148 + status.bits.reserved = 1;
8149 + mdelay(100);
8150 + while (((reg_val=mii_read(tp->phy_addr,0x01)) & 0x00000004)!=0x04)
8151 + {
8152 + msleep(100);
8153 + i++;
8154 + if (i > 30)
8155 + break;
8156 + }
8157 + if (i>30)
8158 + {
8159 + tp->pre_phy_status = LINK_DOWN;
8160 + status.bits.link = LINK_DOWN;
8161 + // clear_bit(__LINK_STATE_START, &dev->state);
8162 + printk("Link Down (0x%04x) ", reg_val);
8163 + if(Giga_switch == 1)
8164 + {
8165 + wan_port_id = 1;
8166 +#ifdef CONFIG_SL351x_SYSCTL
8167 + storlink_ctl.link[ wan_port_id] = 0;
8168 +#endif
8169 + }
8170 + else
8171 + {
8172 +#ifdef CONFIG_SL351x_SYSCTL
8173 + storlink_ctl.link[ tp->port_id] = 0;
8174 +#endif
8175 + }
8176 + }
8177 + else
8178 + {
8179 + tp->pre_phy_status = LINK_UP;
8180 + status.bits.link = LINK_UP;
8181 + // set_bit(__LINK_STATE_START, &dev->state);
8182 + printk("Link Up (0x%04x) ",reg_val);
8183 + if(Giga_switch == 1)
8184 + {
8185 + wan_port_id = 1;
8186 +#ifdef CONFIG_SL351x_SYSCTL
8187 + storlink_ctl.link[ wan_port_id] = 1;
8188 +#endif
8189 + }
8190 + else
8191 + {
8192 +#ifdef CONFIG_SL351x_SYSCTL
8193 + storlink_ctl.link[ tp->port_id] = 1;
8194 +#endif
8195 + }
8196 + }
8197 + // value = mii_read(PHY_ADDR,0x05);
8198 +
8199 + ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5;
8200 +
8201 + //#ifdef CONFIG_SL3516_ASIC
8202 + reg_val = mii_read(tp->phy_addr,10);
8203 + printk("MII REG 10 = 0x%x\n",reg_val);
8204 +
8205 + if ((reg_val & 0x0800) == 0x0800)
8206 + {
8207 + status.bits.duplex = 1;
8208 + status.bits.speed = 2;
8209 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
8210 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
8211 +
8212 + printk(" 1000M/Full \n");
8213 + }
8214 + else if ((reg_val & 0x0400) == 0x0400)
8215 + {
8216 + status.bits.duplex = 0;
8217 + status.bits.speed = 2;
8218 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
8219 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
8220 +
8221 + printk(" 1000M/Half \n");
8222 + }
8223 + //#endif
8224 + else
8225 + {
8226 + #ifdef CONFIG_SL3516_ASIC
8227 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000)
8228 + status.bits.mii_rmii = GMAC_PHY_RGMII_100;
8229 + #endif
8230 + printk("MII REG 5 (bit 5:15) = 0x%x\n", ability);
8231 + if ((ability & 0x08)==0x08) /* 100M full duplex */
8232 + {
8233 + status.bits.duplex = 1;
8234 + status.bits.speed = 1;
8235 + printk(" 100M/Full\n");
8236 +
8237 + }
8238 + else if ((ability & 0x04)==0x04) /* 100M half duplex */
8239 + {
8240 + status.bits.duplex = 0;
8241 + status.bits.speed = 1;
8242 + printk(" 100M/Half\n");
8243 +
8244 + }
8245 + else if ((ability & 0x02)==0x02) /* 10M full duplex */
8246 + {
8247 + status.bits.duplex = 1;
8248 + status.bits.speed = 0;
8249 + printk(" 10M/Full\n");
8250 +
8251 + }
8252 + else if ((ability & 0x01)==0x01) /* 10M half duplex */
8253 + {
8254 + status.bits.duplex = 0;
8255 + status.bits.speed = 0;
8256 + printk(" 10M/Half\n");
8257 +
8258 + }
8259 + }
8260 + if ((ability & 0x20)==0x20)
8261 + {
8262 + tp->flow_control_enable = 1;
8263 + printk("Flow Control Enable.\n");
8264 + }
8265 + else
8266 + {
8267 + tp->flow_control_enable = 0;
8268 + printk("Flow Control Disable.\n");
8269 + }
8270 + tp->full_duplex_status = status.bits.duplex;
8271 + tp->speed_status = status.bits.speed;
8272 + if (!tp->auto_nego_cfg)
8273 + {
8274 + status.bits.duplex = tp->full_duplex_cfg;
8275 + status.bits.speed = tp->speed_cfg;
8276 + }
8277 + toe_gmac_disable_tx_rx(dev);
8278 + mdelay(10);
8279 + gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f);
8280 + toe_gmac_enable_tx_rx(dev);
8281 +}
8282 +
8283 +/*----------------------------------------------------------------------
8284 +* gmac_phy_thread
8285 +*----------------------------------------------------------------------*/
8286 +static int gmac_phy_thread (void *data)
8287 +{
8288 + struct net_device *dev = data;
8289 + GMAC_INFO_T *tp = dev->priv;
8290 + unsigned long timeout;
8291 +
8292 + daemonize("%s", dev->name);
8293 + allow_signal(SIGTERM);
8294 +// reparent_to_init();
8295 +// spin_lock_irq(&current->sigmask_lock);
8296 +// sigemptyset(&current->blocked);
8297 +// recalc_sigpending(current);
8298 +// spin_unlock_irq(&current->sigmask_lock);
8299 +// strncpy (current->comm, dev->name, sizeof(current->comm) - 1);
8300 +// current->comm[sizeof(current->comm) - 1] = '\0';
8301 +
8302 + while (1)
8303 + {
8304 + timeout = next_tick;
8305 + do
8306 + {
8307 + timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
8308 + } while (!signal_pending (current) && (timeout > 0));
8309 +
8310 + if (signal_pending (current))
8311 + {
8312 +// spin_lock_irq(&current->sigmask_lock);
8313 + flush_signals(current);
8314 +// spin_unlock_irq(&current->sigmask_lock);
8315 + }
8316 +
8317 + if (tp->time_to_die)
8318 + break;
8319 +
8320 + // printk("%s : Polling MAC %d PHY Status...\n",__func__, tp->port_id);
8321 + rtnl_lock ();
8322 + if (tp->auto_nego_cfg){
8323 +#ifdef VITESSE_G5SWITCH
8324 + if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1))
8325 + gmac_get_switch_status(dev);
8326 + else
8327 +#endif
8328 + gmac_get_phy_status(dev); //temp remove
8329 + }
8330 + rtnl_unlock ();
8331 + }
8332 + complete_and_exit (&tp->thr_exited, 0);
8333 +}
8334 +
8335 +/*----------------------------------------------------------------------
8336 +* gmac_get_switch_status
8337 +*----------------------------------------------------------------------*/
8338 +#ifdef VITESSE_G5SWITCH
8339 +void gmac_get_switch_status(struct net_device *dev)
8340 +{
8341 + GMAC_INFO_T *tp = dev->priv;
8342 + GMAC_CONFIG0_T config0,config0_mask;
8343 + unsigned int switch_port_id;
8344 + int get_link=0;
8345 +
8346 + get_link = Get_Set_port_status();
8347 + if(get_link){ // link
8348 + if(ever_dwon){
8349 + ever_dwon = 0;
8350 + toe_gmac_enable_tx_rx(dev);
8351 + netif_wake_queue(dev);
8352 + set_bit(__LINK_STATE_START, &dev->state);
8353 + }
8354 + }
8355 + else{ // all down
8356 + //printk("All link down\n");
8357 + ever_dwon=1;
8358 + netif_stop_queue(dev);
8359 + toe_gmac_disable_tx_rx(dev);
8360 + clear_bit(__LINK_STATE_START, &dev->state);
8361 + }
8362 +
8363 + if ( tp->port_id == 1 )
8364 + switch_port_id = 0;
8365 +#ifdef CONFIG_SL351x_SYSCTL
8366 + if (get_link)
8367 + {
8368 + storlink_ctl.link[switch_port_id] = 1;
8369 + }
8370 + else
8371 + {
8372 + storlink_ctl.link[switch_port_id] = 0;
8373 + }
8374 + if (storlink_ctl.pauseoff == 1)
8375 + {
8376 + if (tp->flow_control_enable == 1)
8377 + {
8378 + config0.bits32 = 0;
8379 + config0_mask.bits32 = 0;
8380 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
8381 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
8382 + config0_mask.bits.tx_fc_en = 1;
8383 + config0_mask.bits.rx_fc_en = 1;
8384 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
8385 + printk("Disable SWITCH Flow Control...\n");
8386 + }
8387 + tp->flow_control_enable = 0;
8388 + }
8389 + else
8390 +#endif
8391 + {
8392 + if (tp->flow_control_enable == 0)
8393 + {
8394 + config0.bits32 = 0;
8395 + config0_mask.bits32 = 0;
8396 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
8397 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
8398 + config0_mask.bits.tx_fc_en = 1;
8399 + config0_mask.bits.rx_fc_en = 1;
8400 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
8401 + printk("Enable SWITCH Flow Control...\n");
8402 + }
8403 + tp->flow_control_enable = 1;
8404 + }
8405 + return ;
8406 +
8407 +}
8408 +#endif
8409 +
8410 +/*----------------------------------------------------------------------
8411 +* gmac_get_phy_status
8412 +*----------------------------------------------------------------------*/
8413 +void gmac_get_phy_status(struct net_device *dev)
8414 +{
8415 + GMAC_INFO_T *tp = dev->priv;
8416 + GMAC_CONFIG0_T config0,config0_mask;
8417 + GMAC_STATUS_T status, old_status;
8418 + unsigned int reg_val,ability,wan_port_id;
8419 +
8420 + old_status.bits32 = status.bits32 = gmac_read_reg(tp->base_addr, GMAC_STATUS);
8421 +
8422 +
8423 + /* read PHY status register */
8424 + reg_val = mii_read(tp->phy_addr,0x01);
8425 + if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
8426 + {
8427 + ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5;
8428 + /* read PHY Auto-Negotiation Link Partner Ability Register */
8429 + #ifdef CONFIG_SL3516_ASIC
8430 + reg_val = mii_read(tp->phy_addr,10);
8431 + if ((reg_val & 0x0800) == 0x0800)
8432 + {
8433 + status.bits.duplex = 1;
8434 + status.bits.speed = 2;
8435 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
8436 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
8437 + }
8438 + else if ((reg_val & 0x0400) == 0x0400)
8439 + {
8440 + status.bits.duplex = 0;
8441 + status.bits.speed = 2;
8442 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
8443 + status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
8444 + }
8445 + else
8446 + #endif
8447 + {
8448 + #ifdef CONFIG_SL3516_ASIC
8449 + if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000)
8450 + status.bits.mii_rmii = GMAC_PHY_RGMII_100;
8451 + #endif
8452 + if ((ability & 0x08)==0x08) /* 100M full duplex */
8453 + {
8454 + status.bits.duplex = 1;
8455 + status.bits.speed = 1;
8456 + }
8457 + else if ((ability & 0x04)==0x04) /* 100M half duplex */
8458 + {
8459 + status.bits.duplex = 0;
8460 + status.bits.speed = 1;
8461 + }
8462 + else if ((ability & 0x02)==0x02) /* 10M full duplex */
8463 + {
8464 + status.bits.duplex = 1;
8465 + status.bits.speed = 0;
8466 + }
8467 + else if ((ability & 0x01)==0x01) /* 10M half duplex */
8468 + {
8469 + status.bits.duplex = 0;
8470 + status.bits.speed = 0;
8471 + }
8472 + }
8473 + status.bits.link = LINK_UP; /* link up */
8474 + if(Giga_switch==1)
8475 + {
8476 + wan_port_id = 1;
8477 +#ifdef CONFIG_SL351x_SYSCTL
8478 + storlink_ctl.link[ wan_port_id] = 1;
8479 + }
8480 + else
8481 + {
8482 + storlink_ctl.link[ tp->port_id] = 1;
8483 +#endif
8484 + }
8485 + if ((ability & 0x20)==0x20)
8486 + {
8487 + if (tp->flow_control_enable == 0)
8488 + {
8489 + config0.bits32 = 0;
8490 + config0_mask.bits32 = 0;
8491 + config0.bits.tx_fc_en = 1; /* enable tx flow control */
8492 + config0.bits.rx_fc_en = 1; /* enable rx flow control */
8493 + config0_mask.bits.tx_fc_en = 1;
8494 + config0_mask.bits.rx_fc_en = 1;
8495 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
8496 + printk("GMAC-%d Flow Control Enable.\n", tp->port_id);
8497 + }
8498 + tp->flow_control_enable = 1;
8499 + }
8500 + else
8501 + {
8502 + if (tp->flow_control_enable == 1)
8503 + {
8504 + config0.bits32 = 0;
8505 + config0_mask.bits32 = 0;
8506 + config0.bits.tx_fc_en = 0; /* disable tx flow control */
8507 + config0.bits.rx_fc_en = 0; /* disable rx flow control */
8508 + config0_mask.bits.tx_fc_en = 1;
8509 + config0_mask.bits.rx_fc_en = 1;
8510 + gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
8511 + printk("GMAC-%d Flow Control Disable.\n", tp->port_id);
8512 + }
8513 + tp->flow_control_enable = 0;
8514 + }
8515 +
8516 + if (tp->pre_phy_status == LINK_DOWN)
8517 + {
8518 + printk("GMAC-%d LINK_UP......\n",tp->port_id);
8519 + tp->pre_phy_status = LINK_UP;
8520 + }
8521 + }
8522 + else
8523 + {
8524 + status.bits.link = LINK_DOWN; /* link down */
8525 + if(Giga_switch == 1)
8526 + {
8527 + wan_port_id = 1;
8528 +#ifdef CONFIG_SL351x_SYSCTL
8529 + storlink_ctl.link[ wan_port_id] = 0;
8530 + }
8531 + else
8532 + {
8533 + storlink_ctl.link[ tp->port_id] = 0;
8534 +#endif
8535 + }
8536 + if (tp->pre_phy_status == LINK_UP)
8537 + {
8538 + printk("GMAC-%d LINK_Down......\n",tp->port_id);
8539 + tp->pre_phy_status = LINK_DOWN;
8540 + }
8541 + }
8542 +
8543 + tp->full_duplex_status = status.bits.duplex;
8544 + tp->speed_status = status.bits.speed;
8545 + if (!tp->auto_nego_cfg)
8546 + {
8547 + status.bits.duplex = tp->full_duplex_cfg;
8548 + status.bits.speed = tp->speed_cfg;
8549 + }
8550 +
8551 + if (old_status.bits32 != status.bits32)
8552 + {
8553 + netif_stop_queue(dev);
8554 + toe_gmac_disable_tx_rx(dev);
8555 + clear_bit(__LINK_STATE_START, &dev->state);
8556 + printk("GMAC-%d Change Status Bits 0x%x-->0x%x\n",tp->port_id, old_status.bits32, status.bits32);
8557 + mdelay(10); // let GMAC consume packet
8558 + gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f);
8559 + if (status.bits.link == LINK_UP)
8560 + {
8561 + toe_gmac_enable_tx_rx(dev);
8562 + netif_wake_queue(dev);
8563 + set_bit(__LINK_STATE_START, &dev->state);
8564 + }
8565 + }
8566 +}
8567 +
8568 +/***************************************/
8569 +/* define GPIO module base address */
8570 +/***************************************/
8571 +#define GPIO_BASE_ADDR (IO_ADDRESS(SL2312_GPIO_BASE))
8572 +#define GPIO_BASE_ADDR1 (IO_ADDRESS(SL2312_GPIO_BASE1))
8573 +
8574 +/* define GPIO pin for MDC/MDIO */
8575 +#ifdef CONFIG_SL3516_ASIC
8576 +#define H_MDC_PIN 22
8577 +#define H_MDIO_PIN 21
8578 +#define G_MDC_PIN 22
8579 +#define G_MDIO_PIN 21
8580 +#else
8581 +#define H_MDC_PIN 3
8582 +#define H_MDIO_PIN 2
8583 +#define G_MDC_PIN 0
8584 +#define G_MDIO_PIN 1
8585 +#endif
8586 +
8587 +//#define GPIO_MDC 0x80000000
8588 +//#define GPIO_MDIO 0x00400000
8589 +
8590 +static unsigned int GPIO_MDC = 0;
8591 +static unsigned int GPIO_MDIO = 0;
8592 +static unsigned int GPIO_MDC_PIN = 0;
8593 +static unsigned int GPIO_MDIO_PIN = 0;
8594 +
8595 +// For PHY test definition!!
8596 +#define LPC_EECK 0x02
8597 +#define LPC_EDIO 0x04
8598 +#define LPC_GPIO_SET 3
8599 +#define LPC_BASE_ADDR IO_ADDRESS(IT8712_IO_BASE)
8600 +#define inb_gpio(x) inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
8601 +#define outb_gpio(x, y) outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
8602 +
8603 +enum GPIO_REG
8604 +{
8605 + GPIO_DATA_OUT = 0x00,
8606 + GPIO_DATA_IN = 0x04,
8607 + GPIO_PIN_DIR = 0x08,
8608 + GPIO_BY_PASS = 0x0c,
8609 + GPIO_DATA_SET = 0x10,
8610 + GPIO_DATA_CLEAR = 0x14,
8611 +};
8612 +/***********************/
8613 +/* MDC : GPIO[31] */
8614 +/* MDIO: GPIO[22] */
8615 +/***********************/
8616 +
8617 +/***************************************************
8618 +* All the commands should have the frame structure:
8619 +*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE>
8620 +****************************************************/
8621 +
8622 +/*****************************************************************
8623 +* Inject a bit to NWay register through CSR9_MDC,MDIO
8624 +*******************************************************************/
8625 +void mii_serial_write(char bit_MDO) // write data into mii PHY
8626 +{
8627 +#ifdef CONFIG_SL2312_LPC_IT8712
8628 + unsigned char iomode,status;
8629 +
8630 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
8631 + iomode |= (LPC_EECK|LPC_EDIO) ; // Set EECK,EDIO,EECS output
8632 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
8633 +
8634 + if(bit_MDO)
8635 + {
8636 + status = inb_gpio( LPC_GPIO_SET);
8637 + status |= LPC_EDIO ; //EDIO high
8638 + outb_gpio(LPC_GPIO_SET, status);
8639 + }
8640 + else
8641 + {
8642 + status = inb_gpio( LPC_GPIO_SET);
8643 + status &= ~(LPC_EDIO) ; //EDIO low
8644 + outb_gpio(LPC_GPIO_SET, status);
8645 + }
8646 +
8647 + status |= LPC_EECK ; //EECK high
8648 + outb_gpio(LPC_GPIO_SET, status);
8649 +
8650 + status &= ~(LPC_EECK) ; //EECK low
8651 + outb_gpio(LPC_GPIO_SET, status);
8652 +
8653 +#else
8654 + unsigned int addr;
8655 + unsigned int value;
8656 +
8657 + addr = GPIO_BASE_ADDR + GPIO_PIN_DIR;
8658 + value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */
8659 + writel(value,addr);
8660 + if(bit_MDO)
8661 + {
8662 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
8663 + writel(GPIO_MDIO,addr); /* set MDIO to 1 */
8664 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
8665 + writel(GPIO_MDC,addr); /* set MDC to 1 */
8666 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
8667 + writel(GPIO_MDC,addr); /* set MDC to 0 */
8668 + }
8669 + else
8670 + {
8671 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
8672 + writel(GPIO_MDIO,addr); /* set MDIO to 0 */
8673 + addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
8674 + writel(GPIO_MDC,addr); /* set MDC to 1 */
8675 + addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
8676 + writel(GPIO_MDC,addr); /* set MDC to 0 */
8677 + }
8678 +
8679 +#endif
8680 +}
8681 +
8682 +/**********************************************************************
8683 +* read a bit from NWay register through CSR9_MDC,MDIO
8684 +***********************************************************************/
8685 +unsigned int mii_serial_read(void) // read data from mii PHY
8686 +{
8687 +#ifdef CONFIG_SL2312_LPC_IT8712
8688 + unsigned char iomode,status;
8689 + unsigned int value ;
8690 +
8691 + iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
8692 + iomode &= ~(LPC_EDIO) ; // Set EDIO input
8693 + iomode |= (LPC_EECK) ; // Set EECK,EECS output
8694 + LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
8695 +
8696 + status = inb_gpio( LPC_GPIO_SET);
8697 + status |= LPC_EECK ; //EECK high
8698 + outb_gpio(LPC_GPIO_SET, status);
8699 +
8700 + status &= ~(LPC_EECK) ; //EECK low
8701 + outb_gpio(LPC_GPIO_SET, status);
8702 +
8703 + value = inb_gpio( LPC_GPIO_SET);
8704 +
8705 + value = value>>2 ;
8706 + value &= 0x01;
8707 +
8708 + return value ;
8709 +
8710 +#else
8711 + unsigned int *addr;
8712 + unsigned int value;
8713 +
8714 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR);
8715 + value = readl(addr) & ~GPIO_MDIO; //0xffbfffff; /* set MDC to output and MDIO to input */
8716 + writel(value,addr);
8717 +
8718 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET);
8719 + writel(GPIO_MDC,addr); /* set MDC to 1 */
8720 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
8721 + writel(GPIO_MDC,addr); /* set MDC to 0 */
8722 +
8723 + addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN);
8724 + value = readl(addr);
8725 + value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN;
8726 + return(value);
8727 +
8728 +#endif
8729 +}
8730 +
8731 +/***************************************
8732 +* preamble + ST
8733 +***************************************/
8734 +void mii_pre_st(void)
8735 +{
8736 + unsigned char i;
8737 +
8738 + for(i=0;i<32;i++) // PREAMBLE
8739 + mii_serial_write(1);
8740 + mii_serial_write(0); // ST
8741 + mii_serial_write(1);
8742 +}
8743 +
8744 +
8745 +/******************************************
8746 +* Read MII register
8747 +* phyad -> physical address
8748 +* regad -> register address
8749 +***************************************** */
8750 +unsigned int mii_read(unsigned char phyad,unsigned char regad)
8751 +{
8752 + unsigned int i,value;
8753 + unsigned int bit;
8754 +
8755 + if (phyad == GPHY_ADDR)
8756 + {
8757 + GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */
8758 + GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
8759 + }
8760 + else
8761 + {
8762 + GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */
8763 + GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
8764 + }
8765 + GPIO_MDC = (1<<GPIO_MDC_PIN);
8766 + GPIO_MDIO = (1<<GPIO_MDIO_PIN);
8767 +
8768 + mii_pre_st(); // PRE+ST
8769 + mii_serial_write(1); // OP
8770 + mii_serial_write(0);
8771 +
8772 + for (i=0;i<5;i++) { // PHYAD
8773 + bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
8774 + mii_serial_write(bit);
8775 + }
8776 +
8777 + for (i=0;i<5;i++) { // REGAD
8778 + bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
8779 + mii_serial_write(bit);
8780 + }
8781 +
8782 + mii_serial_read(); // TA_Z
8783 +// if((bit=mii_serial_read()) !=0 ) // TA_0
8784 +// {
8785 +// return(0);
8786 +// }
8787 + value=0;
8788 + for (i=0;i<16;i++) { // READ DATA
8789 + bit=mii_serial_read();
8790 + value += (bit<<(15-i)) ;
8791 + }
8792 +
8793 + mii_serial_write(0); // dumy clock
8794 + mii_serial_write(0); // dumy clock
8795 +
8796 + //printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value);
8797 + return(value);
8798 +}
8799 +
8800 +/******************************************
8801 +* Write MII register
8802 +* phyad -> physical address
8803 +* regad -> register address
8804 +* value -> value to be write
8805 +***************************************** */
8806 +void mii_write(unsigned char phyad,unsigned char regad,unsigned int value)
8807 +{
8808 + unsigned int i;
8809 + char bit;
8810 +
8811 + printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value);
8812 + if (phyad == GPHY_ADDR)
8813 + {
8814 + GPIO_MDC_PIN = G_MDC_PIN; /* assigned MDC pin for giga PHY */
8815 + GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
8816 + }
8817 + else
8818 + {
8819 + GPIO_MDC_PIN = H_MDC_PIN; /* assigned MDC pin for 10/100 PHY */
8820 + GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
8821 + }
8822 + GPIO_MDC = (1<<GPIO_MDC_PIN);
8823 + GPIO_MDIO = (1<<GPIO_MDIO_PIN);
8824 +
8825 + mii_pre_st(); // PRE+ST
8826 + mii_serial_write(0); // OP
8827 + mii_serial_write(1);
8828 + for (i=0;i<5;i++) { // PHYAD
8829 + bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
8830 + mii_serial_write(bit);
8831 + }
8832 +
8833 + for (i=0;i<5;i++) { // REGAD
8834 + bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
8835 + mii_serial_write(bit);
8836 + }
8837 + mii_serial_write(1); // TA_1
8838 + mii_serial_write(0); // TA_0
8839 +
8840 + for (i=0;i<16;i++) { // OUT DATA
8841 + bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ;
8842 + mii_serial_write(bit);
8843 + }
8844 + mii_serial_write(0); // dumy clock
8845 + mii_serial_write(0); // dumy clock
8846 +}
8847 +
8848 +/*----------------------------------------------------------------------
8849 +* gmac_set_rx_mode
8850 +*----------------------------------------------------------------------*/
8851 +static void gmac_set_rx_mode(struct net_device *dev)
8852 +{
8853 + GMAC_RX_FLTR_T filter;
8854 + unsigned int mc_filter[2]; /* Multicast hash filter */
8855 + int bit_nr;
8856 + unsigned int i;
8857 + GMAC_INFO_T *tp = dev->priv;
8858 +
8859 +// printk("%s : dev->flags = %x \n",__func__,dev->flags);
8860 +// dev->flags |= IFF_ALLMULTI; /* temp */
8861 + filter.bits32 = 0;
8862 + filter.bits.error = 0;
8863 + if (dev->flags & IFF_PROMISC)
8864 + {
8865 + filter.bits.error = 1;
8866 + filter.bits.promiscuous = 1;
8867 + filter.bits.broadcast = 1;
8868 + filter.bits.multicast = 1;
8869 + filter.bits.unicast = 1;
8870 + mc_filter[1] = mc_filter[0] = 0xffffffff;
8871 + }
8872 + else if (dev->flags & IFF_ALLMULTI)
8873 + {
8874 +// filter.bits.promiscuous = 1;
8875 + filter.bits.broadcast = 1;
8876 + filter.bits.multicast = 1;
8877 + filter.bits.unicast = 1;
8878 + mc_filter[1] = mc_filter[0] = 0xffffffff;
8879 + }
8880 + else
8881 + {
8882 + struct dev_mc_list *mclist;
8883 +
8884 +// filter.bits.promiscuous = 1;
8885 + filter.bits.broadcast = 1;
8886 + filter.bits.multicast = 1;
8887 + filter.bits.unicast = 1;
8888 + mc_filter[1] = mc_filter[0] = 0;
8889 + for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next)
8890 + {
8891 + bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f;
8892 + if (bit_nr < 32)
8893 + {
8894 + mc_filter[0] = mc_filter[0] | (1<<bit_nr);
8895 + }
8896 + else
8897 + {
8898 + mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32));
8899 + }
8900 + }
8901 + }
8902 + gmac_write_reg(tp->base_addr,GMAC_RX_FLTR,filter.bits32,0xffffffff); //chech base address!!!
8903 + gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,mc_filter[0],0xffffffff);
8904 + gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,mc_filter[1],0xffffffff);
8905 + return;
8906 +}
8907 +
8908 +#ifdef CONFIG_SL_NAPI
8909 +/*----------------------------------------------------------------------
8910 +* gmac_rx_poll
8911 +*----------------------------------------------------------------------*/
8912 +static int gmac_rx_poll(struct net_device *dev, int *budget)
8913 +{
8914 + TOE_INFO_T *toe;
8915 + GMAC_RXDESC_T *curr_desc;
8916 + struct sk_buff *skb;
8917 + DMA_RWPTR_T rwptr;
8918 + unsigned int pkt_size;
8919 + unsigned int desc_count;
8920 + unsigned int good_frame, chksum_status, rx_status;
8921 + int rx_pkts_num = 0;
8922 + int quota = min(dev->quota, *budget);
8923 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
8924 + unsigned int status4;
8925 + volatile DMA_RWPTR_T fq_rwptr;
8926 + int max_cnt = TOE_SW_FREEQ_DESC_NUM;//TOE_SW_FREEQ_DESC_NUM = 64
8927 + //unsigned long rx_old_bytes;
8928 + struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
8929 + //unsigned long long rx_time;
8930 +
8931 +
8932 +
8933 +#if 1
8934 + if (do_again)
8935 + {
8936 + toe_gmac_fill_free_q();
8937 + status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
8938 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
8939 + //printk("\n%s:: do_again toe_gmac_fill_free_q =======>status4=0x%x =====fq_rwptr =0x%8x======>JKJKJKJKJKJKJKJKJ \n", __func__,status4,fq_rwptr.bits32);
8940 + if (fq_rwptr.bits.wptr != fq_rwptr.bits.rptr)
8941 + {
8942 + //status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
8943 + do_again =0;
8944 + //netif_rx_complete(dev);
8945 + gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4, 0x1);
8946 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
8947 + rwptr.bits32 = readl(&tp->default_qhdr->word1);
8948 + }
8949 + else
8950 + return 1;
8951 + }
8952 +#endif
8953 + rwptr.bits32 = readl(&tp->default_qhdr->word1);
8954 +#if 0
8955 + if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr)
8956 + {
8957 + mac_stop_txdma((struct net_device *)tp->dev);
8958 + printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n",
8959 + rwptr.bits32, tp->rx_rwptr.bits.rptr);
8960 + while(1);
8961 + }
8962 +#endif
8963 + toe = (TOE_INFO_T *)&toe_private_data;
8964 +
8965 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
8966 + //printk("%s:---Before-------------->Default Queue HW RW ptr (0x%8x), fq_rwptr =0x%8x \n",__func__,rwptr.bits32,fq_rwptr.bits32 );
8967 + //printk("%s:---Before while rx_pkts_num=%d------rx_finished_idx=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rx_finished_idx,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
8968 +// while ((--max_cnt) && (rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota))
8969 +
8970 + while ((rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota))
8971 + {
8972 +
8973 + curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
8974 + tp->default_q_cnt++;
8975 + tp->rx_curr_desc = (unsigned int)curr_desc;
8976 + rx_status = curr_desc->word0.bits.status;
8977 + chksum_status = curr_desc->word0.bits.chksum_status;
8978 + tp->rx_status_cnt[rx_status]++;
8979 + tp->rx_chksum_cnt[chksum_status]++;
8980 + pkt_size = curr_desc->word1.bits.byte_count; /*total byte count in a frame*/
8981 + desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
8982 + good_frame=1;
8983 + if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
8984 + || (pkt_size < 60)
8985 + || (chksum_status & 0x4)
8986 + || rx_status )
8987 +// || rx_status || (rwptr.bits.rptr > rwptr.bits.wptr ))
8988 + {
8989 + good_frame = 0;
8990 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
8991 + printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id);
8992 + if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
8993 + printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id);
8994 + if (rx_status)
8995 + {
8996 + if (rx_status == 4 || rx_status == 7)
8997 + isPtr->rx_crc_errors++;
8998 +// printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id);
8999 + }
9000 +#ifdef SL351x_GMAC_WORKAROUND
9001 + else if (pkt_size < 60)
9002 + {
9003 + if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD)
9004 + tp->short_frames_cnt++;
9005 + if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
9006 + {
9007 + GMAC_CONFIG0_T config0;
9008 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
9009 + config0.bits.dis_rx = 1;
9010 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
9011 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
9012 + config0.bits.dis_rx = 1;
9013 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
9014 + }
9015 + }
9016 +#endif
9017 +// if (chksum_status)
9018 +// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
9019 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
9020 + dev_kfree_skb_irq(skb);
9021 + }
9022 + if (good_frame)
9023 + {
9024 + if (curr_desc->word0.bits.drop)
9025 + printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id);
9026 +// if (chksum_status)
9027 +// printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
9028 +
9029 +#ifdef SL351x_GMAC_WORKAROUND
9030 + if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
9031 + {
9032 + GMAC_CONFIG0_T config0;
9033 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
9034 + config0.bits.dis_rx = 0;
9035 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
9036 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
9037 + config0.bits.dis_rx = 0;
9038 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
9039 + }
9040 + tp->short_frames_cnt = 0;
9041 +#endif
9042 + /* get frame information from the first descriptor of the frame */
9043 + isPtr->rx_packets++;
9044 + //consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE);
9045 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
9046 + tp->curr_rx_skb = skb;
9047 + // curr_desc->word2.buf_adr = 0;
9048 +
9049 + //skb_reserve (skb, SKB_RESERVE_BYTES);
9050 + skb_reserve (skb, RX_INSERT_BYTES); /* 2 byte align the IP fields. */
9051 + //if ((skb->tail+pkt_size) > skb->end )
9052 + //printk("%s::------------->Here skb->len=%d,pkt_size= %d,skb->head=0x%x,skb->tail= 0x%x, skb->end= 0x%x\n", __func__, skb->len, pkt_size,skb->head,skb->tail,skb->end);
9053 + skb_put(skb, pkt_size);
9054 +
9055 +
9056 + skb->dev = dev;
9057 + if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK)
9058 + {
9059 + skb->ip_summed = CHECKSUM_UNNECESSARY;
9060 +#ifdef CONFIG_SL351x_NAT
9061 + if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
9062 + {
9063 + struct iphdr *ip_hdr;
9064 + ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
9065 + sl351x_nat_input(skb,
9066 + tp->port_id,
9067 + (void *)curr_desc->word3.bits.l3_offset,
9068 + (void *)curr_desc->word3.bits.l4_offset);
9069 + }
9070 +#endif
9071 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
9072 +#if 0
9073 +#ifdef CONFIG_SL351x_RXTOE
9074 + if (storlink_ctl.rx_max_pktsize) {
9075 + struct iphdr *ip_hdr;
9076 + struct tcphdr *tcp_hdr;
9077 + int ip_hdrlen;
9078 +
9079 + ip_hdr = (struct iphdr*)&(skb->data[0]);
9080 + if ((skb->protocol == __constant_htons(ETH_P_IP)) &&
9081 + ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) {
9082 + ip_hdrlen = ip_hdr->ihl << 2;
9083 + tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]);
9084 + if (tcp_hdr->syn) {
9085 + struct toe_conn* connection = init_toeq(ip_hdr->version,
9086 + ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14);
9087 + TCP_SKB_CB(skb)->connection = connection;
9088 + // hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index);
9089 + // printk("%s::skb data %x, conn %x, mode %x\n",
9090 + // __func__, skb->data, connection, connection->mode);
9091 + }
9092 + }
9093 + }
9094 +#endif
9095 +#endif
9096 + }
9097 + else if (chksum_status == RX_CHKSUM_IP_OK_ONLY)
9098 + {
9099 + skb->ip_summed = CHECKSUM_UNNECESSARY;
9100 +#ifdef CONFIG_SL351x_NAT
9101 + if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
9102 + {
9103 + struct iphdr *ip_hdr;
9104 + ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
9105 + if (ip_hdr->protocol == IPPROTO_UDP)
9106 + {
9107 + sl351x_nat_input(skb,
9108 + tp->port_id,
9109 + (void *)curr_desc->word3.bits.l3_offset,
9110 + (void *)curr_desc->word3.bits.l4_offset);
9111 + }
9112 + else if (ip_hdr->protocol == IPPROTO_GRE)
9113 + {
9114 + sl351x_nat_input(skb,
9115 + tp->port_id,
9116 + (void *)curr_desc->word3.bits.l3_offset,
9117 + (void *)curr_desc->word3.bits.l4_offset);
9118 + }
9119 + }
9120 +#endif
9121 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
9122 + }
9123 + else
9124 + {
9125 + skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
9126 + }
9127 + //netif_rx(skb); /* socket rx */
9128 + netif_receive_skb(skb); //For NAPI
9129 + dev->last_rx = jiffies;
9130 +
9131 + isPtr->rx_bytes += pkt_size;
9132 + //printk("------------------->isPtr->rx_bytes = %d\n",isPtr->rx_bytes);
9133 +
9134 +
9135 + }
9136 + // advance one for Rx default Q 0/1
9137 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
9138 + SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
9139 + tp->rx_rwptr.bits32 = rwptr.bits32;
9140 + rx_pkts_num++;
9141 + //rwptr.bits32 = readl(&tp->default_qhdr->word1);//try read default_qhdr again
9142 + //fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
9143 + //printk("%s:---Loop -------->rx_pkts_num=%d------------>Default Queue HW RW ptr = (0x%8x), fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits32,fq_rwptr.bits32 );
9144 +#if 0
9145 + if ((status4 & 0x1) == 0)
9146 + {
9147 + //if (!((dev->last_rx <= (rx_time + 2)) && (isPtr->rx_bytes > (rx_old_bytes + 1000000 ))))
9148 + if (tp->total_q_cnt_napi < 1024)
9149 + {
9150 + tp->total_q_cnt_napi++;
9151 + toe_gmac_fill_free_q(); //for iperf test disable
9152 + }
9153 + //else
9154 + //printk("%s:---isPtr->rx_bytes =%u , rx_old_bytes =%u\n",__func__,isPtr->rx_bytes,rx_old_bytes );
9155 +
9156 + }
9157 +#endif
9158 + //rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
9159 + //printk("%s:---Loop -------->rx_pkts_num=%d----rwptr.bits.rptr=0x%x-------->Default Queue HW RW ptr = (0x%8x), fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits32,fq_rwptr.bits32 );
9160 + //printk("%s:---Loop rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
9161 + }
9162 + // advance one for Rx default Q 0/1
9163 +
9164 + //rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
9165 + //SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
9166 + //tp->rx_rwptr.bits32 = rwptr.bits32;
9167 + //rwptr.bits.rptr = rwptr.bits.rptr;
9168 +
9169 + dev->quota -= rx_pkts_num;
9170 + *budget -= rx_pkts_num;
9171 +
9172 + status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);//try read SWFQ empty again
9173 + //fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
9174 + rwptr.bits32 = readl(&tp->default_qhdr->word1); //try read default_qhdr again
9175 + //printk("%s:---After rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
9176 +// if (rwptr.bits.rptr > rwptr.bits.wptr )
9177 +// {
9178 + //toe_gmac_disable_rx(dev);
9179 + //wait_event_interruptible_timeout(freeq_wait,
9180 + //(rx_pkts_num == 100), CMTP_INTEROP_TIMEOUT);
9181 + //printk("\n%s:: return 22222=======> rx_pkts_num =%d, rwptr.bits.rptr=%d, rwptr.bits.wptr = %d ====---------=======>JKJKJKJKJK\n",
9182 + //__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
9183 +// return 1;
9184 +// }
9185 +
9186 + if (rwptr.bits.rptr == rwptr.bits.wptr)
9187 + {
9188 + unsigned int data32;
9189 + //printk("%s:---[rwptr.bits.rptr == rwptr.bits.wptr] rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x, rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
9190 +
9191 + /* Receive descriptor is empty now */
9192 +#if 1
9193 + if (status4 & 0x1)
9194 + {
9195 + do_again =1;
9196 + //writel(0x40400000, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_4_REG); //disable SWFQ empty interrupt
9197 + //toe_gmac_disable_interrupt(tp->irq);
9198 + tp->sw_fq_empty_cnt++;
9199 + //toe_gmac_disable_rx(dev);
9200 + writel(0x07960202, TOE_GMAC0_BASE+GMAC_CONFIG0);
9201 + writel(0x07960202, TOE_GMAC1_BASE+GMAC_CONFIG0);
9202 + //printk("\n%s :: freeq int-----tp->sw_fq_empty_cnt =%d---------====================----------------->\n",__func__,tp->sw_fq_empty_cnt);
9203 + //while ((fq_rwptr.bits.wptr >= (fq_rwptr.bits.rptr+256)) || (fq_rwptr.bits.wptr <= (fq_rwptr.bits.rptr+256)))
9204 + //{
9205 + //gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
9206 + //0x1);
9207 + //printk("\n%s::fq_rwptr.wrptr = %x =======> ===========>here \n", __func__,fq_rwptr.bits32);
9208 + //if ((status4 & 0x1) == 0)
9209 + //break;
9210 + return 1;
9211 + //}
9212 +
9213 + }
9214 +#endif
9215 + //toe_gmac_fill_free_q();
9216 + netif_rx_complete(dev);
9217 + // enable GMAC-0 rx interrupt
9218 + // class-Q & TOE-Q are implemented in future
9219 + //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
9220 + //if (tp->port_id == 0)
9221 + //data32 |= DEFAULT_Q0_INT_BIT;
9222 + //else
9223 + //data32 |= DEFAULT_Q1_INT_BIT;
9224 + //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
9225 + writel(0x3, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
9226 + //printk("\n%s::netif_rx_complete--> rx_pkts_num =%d, rwptr.bits.rptr=0x%x, rwptr.bits.wptr = 0x%x ====---------=======>JKJKJKJKJK\n",
9227 + //__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
9228 + writel(0x07960200, TOE_GMAC0_BASE+GMAC_CONFIG0);
9229 + writel(0x07960200, TOE_GMAC1_BASE+GMAC_CONFIG0);
9230 + return 0;
9231 + }
9232 + else
9233 + {
9234 + //printk("\n%s:: return 1 -->status4= 0x%x,rx_pkts_num =%d, rwptr.bits.rptr=0x%x, rwptr.bits.wptr = 0x%x ======> \n", __func__,status4,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
9235 + return 1;
9236 + }
9237 +}
9238 +#endif
9239 +
9240 +/*----------------------------------------------------------------------
9241 +* gmac_tx_timeout
9242 +*----------------------------------------------------------------------*/
9243 +void gmac_tx_timeout(struct net_device *dev)
9244 +{
9245 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
9246 +
9247 +#ifdef CONFIG_SL351x_SYSCTL
9248 + if (tp->operation && storlink_ctl.link[tp->port_id])
9249 +#else
9250 + if (tp->operation)
9251 +#endif
9252 + {
9253 + netif_wake_queue(dev);
9254 + }
9255 +}
9256 +
9257 +
9258 +
9259 +/*----------------------------------------------------------------------
9260 +* mac_set_rule_reg
9261 +*----------------------------------------------------------------------*/
9262 +int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2)
9263 +{
9264 + int total_key_dwords;
9265 +
9266 + total_key_dwords = 1;
9267 +
9268 + if (reg0 & MR_L2_BIT)
9269 + {
9270 + if (reg0 & MR_DA_BIT) total_key_dwords += 2;
9271 + if (reg0 & MR_SA_BIT) total_key_dwords += 2;
9272 + if ((reg0 & MR_DA_BIT) && ( reg0 & MR_SA_BIT)) total_key_dwords--;
9273 + if (reg0 & (MR_PPPOE_BIT | MR_VLAN_BIT)) total_key_dwords++;
9274 + }
9275 + if (reg0 & MR_L3_BIT)
9276 + {
9277 + if (reg0 & (MR_IP_HDR_LEN_BIT | MR_TOS_TRAFFIC_BIT | MR_SPR_BITS))
9278 + total_key_dwords++;
9279 + if (reg0 & MR_FLOW_LABLE_BIT) total_key_dwords++;
9280 + if ((reg0 & MR_IP_VER_BIT) == 0) // IPv4
9281 + {
9282 + if (reg1 & 0xff000000) total_key_dwords += 1;
9283 + if (reg1 & 0x00ff0000) total_key_dwords += 1;
9284 + }
9285 + else
9286 + {
9287 + if (reg1 & 0xff000000) total_key_dwords += 4;
9288 + if (reg1 & 0x00ff0000) total_key_dwords += 4;
9289 + }
9290 + }
9291 + if (reg0 & MR_L4_BIT)
9292 + {
9293 + if (reg1 & 0x0000f000) total_key_dwords += 1;
9294 + if (reg1 & 0x00000f00) total_key_dwords += 1;
9295 + if (reg1 & 0x000000f0) total_key_dwords += 1;
9296 + if (reg1 & 0x0000000f) total_key_dwords += 1;
9297 + if (reg2 & 0xf0000000) total_key_dwords += 1;
9298 + if (reg2 & 0x0f000000) total_key_dwords += 1;
9299 + }
9300 + if (reg0 & MR_L7_BIT)
9301 + {
9302 + if (reg2 & 0x00f00000) total_key_dwords += 1;
9303 + if (reg2 & 0x000f0000) total_key_dwords += 1;
9304 + if (reg2 & 0x0000f000) total_key_dwords += 1;
9305 + if (reg2 & 0x00000f00) total_key_dwords += 1;
9306 + if (reg2 & 0x000000f0) total_key_dwords += 1;
9307 + if (reg2 & 0x0000000f) total_key_dwords += 1;
9308 + }
9309 +
9310 + if (total_key_dwords > HASH_MAX_KEY_DWORD)
9311 + return -1;
9312 +
9313 + if (total_key_dwords == 0 && enabled)
9314 + return -2;
9315 +
9316 + mac_set_rule_enable_bit(mac, rule, 0);
9317 + if (enabled)
9318 + {
9319 + mac_set_MRxCRx(mac, rule, 0, reg0);
9320 + mac_set_MRxCRx(mac, rule, 1, reg1);
9321 + mac_set_MRxCRx(mac, rule, 2, reg2);
9322 + mac_set_rule_action(mac, rule, total_key_dwords);
9323 + mac_set_rule_enable_bit(mac, rule, enabled);
9324 + }
9325 + else
9326 + {
9327 + mac_set_rule_action(mac, rule, 0);
9328 + }
9329 + return total_key_dwords;
9330 +}
9331 +
9332 +/*----------------------------------------------------------------------
9333 +* mac_get_rule_enable_bit
9334 +*----------------------------------------------------------------------*/
9335 +int mac_get_rule_enable_bit(int mac, int rule)
9336 +{
9337 + switch (rule)
9338 + {
9339 + case 0: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 15) & 1);
9340 + case 1: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 31) & 1);
9341 + case 2: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 15) & 1);
9342 + case 3: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 31) & 1);
9343 + default: return 0;
9344 + }
9345 +}
9346 +
9347 +/*----------------------------------------------------------------------
9348 +* mac_set_rule_enable_bit
9349 +*----------------------------------------------------------------------*/
9350 +void mac_set_rule_enable_bit(int mac, int rule, int data)
9351 +{
9352 + u32 reg;
9353 +
9354 + if (data & ~1)
9355 + return;
9356 +
9357 + switch (rule)
9358 + {
9359 + case 0:
9360 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<15)) | (data << 15);
9361 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg);
9362 + break;
9363 + case 1:
9364 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<31)) | (data << 31);
9365 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg);
9366 + break;
9367 + case 2:
9368 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<15)) | (data << 15);
9369 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg);
9370 + break;
9371 + case 3:
9372 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<31)) | (data << 31);
9373 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg);
9374 + }
9375 +}
9376 +
9377 +/*----------------------------------------------------------------------
9378 +* mac_set_rule_action
9379 +*----------------------------------------------------------------------*/
9380 +int mac_set_rule_action(int mac, int rule, int data)
9381 +{
9382 + u32 reg;
9383 +
9384 + if (data > 32)
9385 + return -1;
9386 +
9387 + if (data)
9388 + data = (data << 6) | (data + HASH_ACTION_DWORDS);
9389 + switch (rule)
9390 + {
9391 + case 0:
9392 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff));
9393 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | data);
9394 + break;
9395 + case 1:
9396 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff<<16));
9397 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | (data << 16));
9398 + break;
9399 + case 2:
9400 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff));
9401 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg | data);
9402 + break;
9403 + case 3:
9404 + reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff<<16));
9405 + mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg | (data << 16));
9406 + break;
9407 + default:
9408 + return -1;
9409 + }
9410 +
9411 + return 0;
9412 +}
9413 +/*----------------------------------------------------------------------
9414 +* mac_get_MRxCRx
9415 +*----------------------------------------------------------------------*/
9416 +int mac_get_MRxCRx(int mac, int rule, int ctrlreg)
9417 +{
9418 + int reg;
9419 +
9420 + switch (rule)
9421 + {
9422 + case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break;
9423 + case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break;
9424 + case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break;
9425 + case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break;
9426 + default: return 0;
9427 + }
9428 + return mac_read_dma_reg(mac, reg);
9429 +}
9430 +
9431 +/*----------------------------------------------------------------------
9432 +* mac_set_MRxCRx
9433 +*----------------------------------------------------------------------*/
9434 +void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data)
9435 +{
9436 + int reg;
9437 +
9438 + switch (rule)
9439 + {
9440 + case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break;
9441 + case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break;
9442 + case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break;
9443 + case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break;
9444 + default: return;
9445 + }
9446 + mac_write_dma_reg(mac, reg, data);
9447 +}
9448 +
9449 +/*----------------------------------------------------------------------
9450 +* mac_set_rule_priority
9451 +*----------------------------------------------------------------------*/
9452 +void mac_set_rule_priority(int mac, int p0, int p1, int p2, int p3)
9453 +{
9454 + int i;
9455 + GMAC_MRxCR0_T reg[4];
9456 +
9457 + for (i=0; i<4; i++)
9458 + reg[i].bits32 = mac_get_MRxCRx(mac, i, 0);
9459 +
9460 + reg[0].bits.priority = p0;
9461 + reg[1].bits.priority = p1;
9462 + reg[2].bits.priority = p2;
9463 + reg[3].bits.priority = p3;
9464 +
9465 + for (i=0; i<4; i++)
9466 + mac_set_MRxCRx(mac, i, 0, reg[i].bits32);
9467 +}
9468 +
9469 +/*----------------------------------------------------------------------
9470 +* gmac_netdev_ioctl
9471 +*----------------------------------------------------------------------*/
9472 +static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
9473 +{
9474 + int rc = 0;
9475 + unsigned char *hwa = rq->ifr_ifru.ifru_hwaddr.sa_data;
9476 +
9477 +#ifdef br_if_ioctl
9478 + struct ethtool_cmd ecmd; //br_if.c will call this ioctl
9479 + GMAC_INFO_T *tp = dev->priv;
9480 +#endif
9481 +
9482 +#ifdef CONFIG_SL351x_NAT
9483 + if (cmd == SIOCDEVPRIVATE)
9484 + return sl351x_nat_ioctl(dev, rq, cmd);
9485 +#endif
9486 +
9487 + switch (cmd) {
9488 + case SIOCETHTOOL:
9489 +#ifdef br_if_ioctl //br_if.c will call this ioctl
9490 + if (!netif_running(dev))
9491 + {
9492 + printk("Before changing the H/W address,please down the device.\n");
9493 + return -EINVAL;
9494 + }
9495 + memset((void *) &ecmd, 0, sizeof (ecmd));
9496 + ecmd.supported =
9497 + SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII |
9498 + SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
9499 + SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
9500 + ecmd.port = PORT_TP;
9501 + ecmd.transceiver = XCVR_EXTERNAL;
9502 + ecmd.phy_address = tp->phy_addr;
9503 + switch (tp->speed_status)
9504 + {
9505 + case GMAC_SPEED_10: ecmd.speed = SPEED_10; break;
9506 + case GMAC_SPEED_100: ecmd.speed = SPEED_100; break;
9507 + case GMAC_SPEED_1000: ecmd.speed = SPEED_1000; break;
9508 + default: ecmd.speed = SPEED_10; break;
9509 + }
9510 + ecmd.duplex = tp->full_duplex_status ? DUPLEX_FULL : DUPLEX_HALF;
9511 + ecmd.advertising = ADVERTISED_TP;
9512 + ecmd.advertising |= ADVERTISED_Autoneg;
9513 + ecmd.autoneg = AUTONEG_ENABLE;
9514 + if (copy_to_user(rq->ifr_data, &ecmd, sizeof (ecmd)))
9515 + return -EFAULT;
9516 +#endif
9517 +
9518 + break;
9519 +
9520 + case SIOCSIFHWADDR:
9521 + if (!netif_running(dev))
9522 + {
9523 + printk("Before changing the H/W address,please down the device.\n");
9524 + return -EINVAL;
9525 + }
9526 + gmac_set_mac_address(dev,hwa);
9527 + break;
9528 +
9529 + case SIOCGMIIPHY: /* Get the address of the PHY in use. */
9530 + break;
9531 +
9532 + case SIOCGMIIREG: /* Read the specified MII register. */
9533 + break;
9534 +
9535 + case SIOCSMIIREG: /* Write the specified MII register */
9536 + break;
9537 +
9538 + default:
9539 + rc = -EOPNOTSUPP;
9540 + break;
9541 + }
9542 +
9543 + return rc;
9544 +}
9545 +
9546 +#ifdef SL351x_GMAC_WORKAROUND
9547 +
9548 +#define GMAC_TX_STATE_OFFSET 0x60
9549 +#define GMAC_RX_STATE_OFFSET 0x64
9550 +#define GMAC_POLL_HANGED_NUM 200
9551 +#define GMAC_RX_HANGED_STATE 0x4b2000
9552 +#define GMAC_RX_HANGED_MASK 0xdff000
9553 +#define GMAC_TX_HANGED_STATE 0x34012
9554 +#define GMAC_TX_HANGED_MASK 0xfffff
9555 +#define TOE_GLOBAL_REG_SIZE (0x78/sizeof(u32))
9556 +#define TOE_DMA_REG_SIZE (0xd0/sizeof(u32))
9557 +#define TOE_GMAC_REG_SIZE (0x30/sizeof(u32))
9558 +#define GMAC0_RX_HANG_BIT (1 << 0)
9559 +#define GMAC0_TX_HANG_BIT (1 << 1)
9560 +#define GMAC1_RX_HANG_BIT (1 << 2)
9561 +#define GMAC1_TX_HANG_BIT (1 << 3)
9562 +
9563 +int gmac_in_do_workaround;
9564 +#if 0
9565 +int debug_cnt, poll_max_cnt;
9566 +#endif
9567 +u32 gmac_workaround_cnt[4];
9568 +u32 toe_global_reg[TOE_GLOBAL_REG_SIZE];
9569 +u32 toe_dma_reg[GMAC_NUM][TOE_DMA_REG_SIZE];
9570 +u32 toe_gmac_reg[GMAC_NUM][TOE_GMAC_REG_SIZE];
9571 +u32 gmac_short_frame_workaround_cnt[2];
9572 +
9573 +static void sl351x_gmac_release_buffers(void);
9574 +static void sl351x_gmac_release_swtx_q(void);
9575 +static void sl351x_gmac_release_rx_q(void);
9576 +#ifdef _TOEQ_CLASSQ_READY_
9577 +static void sl351x_gmac_release_class_q(void);
9578 +static void sl351x_gmac_release_toe_q(void);
9579 +static void sl351x_gmac_release_intr_q(void);
9580 +#endif
9581 +static void sl351x_gmac_release_sw_free_q(void);
9582 +static void sl351x_gmac_release_hw_free_q(void);
9583 +#ifdef CONFIG_SL351x_NAT
9584 +static int get_free_desc_cnt(unsigned long rwptr, int total);
9585 +static void sl351x_gmac_release_hwtx_q(void);
9586 +u32 sl351x_nat_workaround_cnt;
9587 +#endif
9588 +void sl351x_gmac_save_reg(void);
9589 +void sl351x_gmac_restore_reg(void);
9590 +
9591 +
9592 +/*----------------------------------------------------------------------
9593 +* sl351x_poll_gmac_hanged_status
9594 +* - Called by timer routine, period 10ms
9595 +* - If (state != 0 && state == prev state && )
9596 +*----------------------------------------------------------------------*/
9597 +void sl351x_poll_gmac_hanged_status(u32 data)
9598 +{
9599 + int i;
9600 + u32 state;
9601 + TOE_INFO_T *toe;
9602 + GMAC_INFO_T *tp;
9603 + u32 hanged_state;
9604 + // int old_operation[GMAC_NUM];
9605 +#ifdef CONFIG_SL351x_NAT
9606 + u32 hw_free_cnt;
9607 +#endif
9608 +
9609 + if (gmac_in_do_workaround)
9610 + return;
9611 +
9612 + gmac_in_do_workaround = 1;
9613 +
9614 + toe = (TOE_INFO_T *)&toe_private_data;
9615 + hanged_state = 0;
9616 +
9617 +#ifdef SL351x_TEST_WORKAROUND
9618 + if (toe->gmac[0].operation || toe->gmac[1].operation)
9619 + {
9620 + debug_cnt++;
9621 + if (debug_cnt == (30 * HZ))
9622 + {
9623 + debug_cnt = 0;
9624 + hanged_state = GMAC0_RX_HANG_BIT;
9625 + goto do_workaround;
9626 + }
9627 + }
9628 +#endif
9629 + if (toe->gmac[0].operation)
9630 + hanged_state |= GMAC0_RX_HANG_BIT | GMAC0_TX_HANG_BIT;
9631 +
9632 +#if (GMAC_NUM > 1)
9633 + if (toe->gmac[1].operation)
9634 + hanged_state |= GMAC1_RX_HANG_BIT | GMAC1_TX_HANG_BIT;
9635 +#endif
9636 +
9637 + for (i=0; i<GMAC_POLL_HANGED_NUM; i++)
9638 + {
9639 + if (hanged_state & GMAC0_RX_HANG_BIT)
9640 + {
9641 + state = readl(TOE_GMAC0_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK;
9642 + if (state != GMAC_RX_HANGED_STATE)
9643 + hanged_state &= ~GMAC0_RX_HANG_BIT;
9644 + }
9645 + if (hanged_state & GMAC0_TX_HANG_BIT)
9646 + {
9647 + state = readl(TOE_GMAC0_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK;
9648 + if (state != GMAC_TX_HANGED_STATE)
9649 + hanged_state &= ~GMAC0_TX_HANG_BIT;
9650 + }
9651 +#if (GMAC_NUM > 1)
9652 + if (hanged_state & GMAC1_RX_HANG_BIT)
9653 + {
9654 + state = readl(TOE_GMAC1_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK;
9655 + if (state != GMAC_RX_HANGED_STATE)
9656 + hanged_state &= ~GMAC1_RX_HANG_BIT;
9657 + }
9658 + if (hanged_state & GMAC1_TX_HANG_BIT)
9659 + {
9660 + state = readl(TOE_GMAC1_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK;
9661 + if (state != GMAC_TX_HANGED_STATE)
9662 + hanged_state &= ~GMAC1_TX_HANG_BIT;
9663 + }
9664 +#endif
9665 + if (!hanged_state)
9666 + {
9667 +#if 0
9668 + if (i < poll_max_cnt)
9669 + poll_max_cnt = i;
9670 +#endif
9671 + if (toe->gmac[0].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
9672 + {
9673 + gmac_short_frame_workaround_cnt[0]++;
9674 + toe->gmac[0].short_frames_cnt = 0;
9675 + goto do_workaround;
9676 + }
9677 +#if (GMAC_NUM > 1)
9678 + if (toe->gmac[1].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
9679 + {
9680 + gmac_short_frame_workaround_cnt[1]++;
9681 + toe->gmac[1].short_frames_cnt = 0;
9682 + goto do_workaround;
9683 + }
9684 +#endif
9685 +
9686 +#ifdef CONFIG_SL351x_NAT
9687 + hw_free_cnt = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
9688 + hw_free_cnt = get_free_desc_cnt(hw_free_cnt, TOE_HW_FREEQ_DESC_NUM);
9689 +#ifdef NAT_WORKAROUND_BY_RESET_GMAC
9690 + if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= PAUSE_SET_HW_FREEQ))
9691 + {
9692 + sl351x_nat_workaround_cnt++;
9693 + goto do_workaround;
9694 + }
9695 +#else
9696 + if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= (PAUSE_SET_HW_FREEQ*2)))
9697 + {
9698 + sl351x_nat_workaround_cnt++;
9699 + sl351x_nat_workaround_handler();
9700 + }
9701 +#endif
9702 +#endif
9703 + gmac_in_do_workaround = 0;
9704 + add_timer(&gmac_workround_timer_obj);
9705 + return;
9706 + }
9707 + }
9708 +
9709 +do_workaround:
9710 +
9711 + gmac_initialized = 0;
9712 + if (hanged_state)
9713 + {
9714 + if (hanged_state & GMAC0_RX_HANG_BIT) gmac_workaround_cnt[0]++;
9715 + if (hanged_state & GMAC0_TX_HANG_BIT) gmac_workaround_cnt[1]++;
9716 + if (hanged_state & GMAC1_RX_HANG_BIT) gmac_workaround_cnt[2]++;
9717 + if (hanged_state & GMAC1_TX_HANG_BIT) gmac_workaround_cnt[3]++;
9718 + }
9719 +
9720 + for (i=0; i<GMAC_NUM; i++)
9721 + {
9722 + tp=(GMAC_INFO_T *)&toe->gmac[i];
9723 + // old_operation[i] = tp->operation;
9724 + if (tp->operation)
9725 + {
9726 + netif_stop_queue(tp->dev);
9727 + clear_bit(__LINK_STATE_START, &tp->dev->state);
9728 + toe_gmac_disable_interrupt(tp->irq);
9729 + toe_gmac_disable_tx_rx(tp->dev);
9730 + toe_gmac_hw_stop(tp->dev);
9731 + }
9732 + }
9733 +
9734 + // clear all status bits
9735 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
9736 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
9737 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
9738 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
9739 + writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
9740 +
9741 +#if 0
9742 + if ((hanged_state & GMAC0_RX_HANG_BIT) &&
9743 + (readl(TOE_GMAC0_DMA_BASE + 0xdc) & 0xf0))
9744 + {
9745 + struct sk_buff *skb;
9746 + unsigned int buf;
9747 + buf = readl(TOE_GMAC0_DMA_BASE + 0x68) & ~3;
9748 +#ifdef CONFIG_SL351x_NAT
9749 + if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma)
9750 +#endif
9751 + {
9752 + skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES));
9753 + printk("GMAC-0 free a loss SKB 0x%x\n", (u32)skb);
9754 + dev_kfree_skb(skb);
9755 + }
9756 + }
9757 + if ((hanged_state & GMAC1_RX_HANG_BIT) &&
9758 + (readl(TOE_GMAC1_DMA_BASE + 0xdc) & 0xf0))
9759 + {
9760 + struct sk_buff *skb;
9761 + unsigned int buf;
9762 + buf = readl(TOE_GMAC1_DMA_BASE + 0x68) & ~3;
9763 +#ifdef CONFIG_SL351x_NAT
9764 + if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma)
9765 +#endif
9766 + {
9767 + skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES));
9768 + printk("GMAC-1 free a loss SKB 0x%x\n", (u32)skb);
9769 + dev_kfree_skb(skb);
9770 + }
9771 + }
9772 +#endif
9773 +
9774 + sl351x_gmac_release_buffers();
9775 + sl351x_gmac_save_reg();
9776 + toe_gmac_sw_reset();
9777 + sl351x_gmac_restore_reg();
9778 +
9779 + if (toe->gmac[0].default_qhdr->word1.bits32)
9780 + {
9781 + // printk("===> toe->gmac[0].default_qhdr->word1 = 0x%x\n", toe->gmac[0].default_qhdr->word1);
9782 + sl351x_gmac_release_rx_q();
9783 + writel(0, &toe->gmac[0].default_qhdr->word1);
9784 + }
9785 + if (toe->gmac[1].default_qhdr->word1.bits32)
9786 + {
9787 + // printk("===> toe->gmac[1].default_qhdr->word1 = 0x%x\n", toe->gmac[1].default_qhdr->word1);
9788 + sl351x_gmac_release_rx_q();
9789 + writel(0, &toe->gmac[1].default_qhdr->word1);
9790 + }
9791 +
9792 + gmac_initialized = 1;
9793 +
9794 +#ifdef CONFIG_SL351x_NAT
9795 + writel(0, TOE_GLOBAL_BASE + 0x4084);
9796 +#endif
9797 +
9798 + for (i=0; i<GMAC_NUM; i++)
9799 + {
9800 + tp=(GMAC_INFO_T *)&toe->gmac[i];
9801 + if (tp->operation)
9802 + {
9803 + toe_gmac_enable_interrupt(tp->irq);
9804 + toe_gmac_hw_start(tp->dev);
9805 + toe_gmac_enable_tx_rx(tp->dev);
9806 + netif_wake_queue(tp->dev);
9807 + set_bit(__LINK_STATE_START, &tp->dev->state);
9808 + }
9809 + }
9810 +
9811 + gmac_in_do_workaround = 0;
9812 + add_timer(&gmac_workround_timer_obj);
9813 +}
9814 +
9815 +/*----------------------------------------------------------------------
9816 +* get_free_desc_cnt
9817 +*----------------------------------------------------------------------*/
9818 +#ifdef CONFIG_SL351x_NAT
9819 +static int get_free_desc_cnt(unsigned long rwptr, int total)
9820 +{
9821 + unsigned short wptr = rwptr & 0xffff;
9822 + unsigned short rptr = rwptr >> 16;
9823 +
9824 + if (wptr >= rptr)
9825 + return (total - wptr + rptr);
9826 + else
9827 + return (rptr - wptr);
9828 +}
9829 +#endif
9830 +/*----------------------------------------------------------------------
9831 +* sl351x_gmac_release_buffers
9832 +*----------------------------------------------------------------------*/
9833 +static void sl351x_gmac_release_buffers(void)
9834 +{
9835 + // Free buffers & Descriptors in all SW Tx Queues
9836 + sl351x_gmac_release_swtx_q();
9837 +
9838 + // Free buffers in Default Rx Queues
9839 + sl351x_gmac_release_rx_q();
9840 +
9841 +#ifdef _TOEQ_CLASSQ_READY_
9842 + // Free buffers in Classification Queues
9843 + sl351x_gmac_release_class_q();
9844 +
9845 + // Free buffers in TOE Queues
9846 + sl351x_gmac_release_toe_q();
9847 +
9848 + // Free buffers in Interrupt Queues
9849 + sl351x_gmac_release_intr_q();
9850 +#endif
9851 +
9852 + // Free buffers & descriptors in SW free queue
9853 + sl351x_gmac_release_sw_free_q();
9854 +
9855 + // Free buffers & descriptors in HW free queue
9856 + sl351x_gmac_release_hw_free_q();
9857 +
9858 +#ifdef CONFIG_SL351x_NAT
9859 + // Free buffers & descriptors in HW free queue
9860 + sl351x_gmac_release_hwtx_q();
9861 +#endif
9862 +}
9863 +/*----------------------------------------------------------------------
9864 +* sl351x_gmac_release_swtx_q
9865 +*----------------------------------------------------------------------*/
9866 +static void sl351x_gmac_release_swtx_q(void)
9867 +{
9868 + int i, j;
9869 + GMAC_TXDESC_T *curr_desc;
9870 + unsigned int desc_count;
9871 + TOE_INFO_T *toe;
9872 + GMAC_INFO_T *tp;
9873 + GMAC_SWTXQ_T *swtxq;
9874 + DMA_RWPTR_T rwptr;
9875 +
9876 + toe = (TOE_INFO_T *)&toe_private_data;
9877 + tp = (GMAC_INFO_T *)&toe->gmac[0];
9878 + for (i=0; i<GMAC_NUM; i++, tp++)
9879 + {
9880 + if (!tp->existed) continue;
9881 + swtxq = (GMAC_SWTXQ_T *)&tp->swtxq[0];
9882 + for (j=0; j<TOE_SW_TXQ_NUM; j++, swtxq++)
9883 + {
9884 + for (;;)
9885 + {
9886 + rwptr.bits32 = readl(swtxq->rwptr_reg);
9887 + if (rwptr.bits.rptr == swtxq->finished_idx)
9888 + break;
9889 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
9890 + // if (curr_desc->word0.bits.status_tx_ok)
9891 + {
9892 + desc_count = curr_desc->word0.bits.desc_count;
9893 + while (--desc_count)
9894 + {
9895 + curr_desc->word0.bits.status_tx_ok = 0;
9896 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
9897 + curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
9898 + }
9899 +
9900 + curr_desc->word0.bits.status_tx_ok = 0;
9901 + if (swtxq->tx_skb[swtxq->finished_idx])
9902 + {
9903 + dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]);
9904 + swtxq->tx_skb[swtxq->finished_idx] = NULL;
9905 + }
9906 + }
9907 + swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
9908 + }
9909 + writel(0, swtxq->rwptr_reg);
9910 + swtxq->finished_idx = 0;
9911 + }
9912 + }
9913 +
9914 +}
9915 +/*----------------------------------------------------------------------
9916 +* sl351x_gmac_release_rx_q
9917 +*----------------------------------------------------------------------*/
9918 +static void sl351x_gmac_release_rx_q(void)
9919 +{
9920 + int i;
9921 + TOE_INFO_T *toe;
9922 + GMAC_INFO_T *tp;
9923 + DMA_RWPTR_T rwptr;
9924 + volatile GMAC_RXDESC_T *curr_desc;
9925 + struct sk_buff *skb;
9926 +
9927 + toe = (TOE_INFO_T *)&toe_private_data;
9928 + tp = (GMAC_INFO_T *)&toe->gmac[0];
9929 + for (i=0; i<GMAC_NUM; i++, tp++)
9930 + {
9931 + if (!tp->existed) continue;
9932 + rwptr.bits32 = readl(&tp->default_qhdr->word1);
9933 + while (rwptr.bits.rptr != rwptr.bits.wptr)
9934 + {
9935 + curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
9936 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
9937 + dev_kfree_skb_irq(skb);
9938 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
9939 + SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
9940 + rwptr.bits32 = readl(&tp->default_qhdr->word1);
9941 + } // while
9942 + writel(0, &tp->default_qhdr->word1);
9943 + tp->rx_rwptr.bits32 = 0;
9944 + } // for
9945 +
9946 +}
9947 +/*----------------------------------------------------------------------
9948 +* sl351x_gmac_release_class_q
9949 +*----------------------------------------------------------------------*/
9950 +#ifdef _TOEQ_CLASSQ_READY_
9951 +static void sl351x_gmac_release_class_q(void)
9952 +{
9953 + int i;
9954 + TOE_INFO_T *toe;
9955 + CLASSQ_INFO_T *classq;
9956 + DMA_RWPTR_T rwptr;
9957 + volatile GMAC_RXDESC_T *curr_desc;
9958 + struct sk_buff *skb;
9959 +
9960 + toe = (TOE_INFO_T *)&toe_private_data;
9961 + classq = (CLASSQ_INFO_T *)&toe->classq[0];
9962 + for (i=0; i<TOE_CLASS_QUEUE_NUM; i++, classq++)
9963 + {
9964 + rwptr.bits32 = readl(&classq->qhdr->word1);
9965 + while (rwptr.bits.rptr != rwptr.bits.wptr)
9966 + {
9967 + curr_desc = (GMAC_RXDESC_T *)classq->desc_base + rwptr.bits.rptr;
9968 + skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
9969 + dev_kfree_skb_irq(skb);
9970 + rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, classq->desc_num);
9971 + SET_RPTR(&classq->qhdr->word1, rwptr.bits.rptr);
9972 + rwptr.bits32 = readl(&classq->qhdr->word1);
9973 + } // while
9974 + writel(0, &classq->qhdr->word1);
9975 + classq->rwptr.bits32 = 0;
9976 + } // for
9977 +
9978 +}
9979 +#endif
9980 +/*----------------------------------------------------------------------
9981 +* sl351x_gmac_release_toe_q
9982 +*----------------------------------------------------------------------*/
9983 +#ifdef _TOEQ_CLASSQ_READY_
9984 +static void sl351x_gmac_release_toe_q(void)
9985 +{
9986 + int i;
9987 + TOE_INFO_T *toe;
9988 + TOEQ_INFO_T *toeq_info;
9989 + TOE_QHDR_T *toe_qhdr;
9990 + DMA_RWPTR_T rwptr;
9991 + volatile GMAC_RXDESC_T *curr_desc;
9992 + unsigned int rptr, wptr;
9993 + GMAC_RXDESC_T *toe_curr_desc;
9994 + struct sk_buff *skb;
9995 +
9996 + toe = (TOE_INFO_T *)&toe_private_data;
9997 + toe_qhdr = (TOE_QHDR_T *)TOE_TOE_QUE_HDR_BASE;
9998 + for (i=0; i<TOE_TOE_QUEUE_NUM; i++, toe_qhdr++)
9999 + {
10000 + toeq_info = (TOEQ_INFO_T *)&toe->toeq[i];
10001 + wptr = toe_qhdr->word1.bits.wptr;
10002 + rptr = toe_qhdr->word1.bits.rptr;
10003 + while (rptr != wptr)
10004 + {
10005 + toe_curr_desc = (GMAC_RXDESC_T *)toeq_info->desc_base + rptr;
10006 + skb = (struct sk_buff *)(REG32(__va(toe_curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
10007 + dev_kfree_skb_irq(skb);
10008 + rptr = RWPTR_ADVANCE_ONE(rptr, toeq_info->desc_num);
10009 + SET_RPTR(&toe_qhdr->word1.bits32, rptr);
10010 + wptr = toe_qhdr->word1.bits.wptr;
10011 + rptr = toe_qhdr->word1.bits.rptr;
10012 + }
10013 + toe_qhdr->word1.bits32 = 0;
10014 + toeq_info->rwptr.bits32 = 0;
10015 + }
10016 +}
10017 +#endif
10018 +/*----------------------------------------------------------------------
10019 +* sl351x_gmac_release_intr_q
10020 +*----------------------------------------------------------------------*/
10021 +#ifdef _TOEQ_CLASSQ_READY_
10022 +static void sl351x_gmac_release_intr_q(void)
10023 +{
10024 +}
10025 +#endif
10026 +/*----------------------------------------------------------------------
10027 +* sl351x_gmac_release_sw_free_q
10028 +*----------------------------------------------------------------------*/
10029 +static void sl351x_gmac_release_sw_free_q(void)
10030 +{
10031 + TOE_INFO_T *toe;
10032 + volatile DMA_RWPTR_T fq_rwptr;
10033 + volatile GMAC_RXDESC_T *fq_desc;
10034 +
10035 + toe = (TOE_INFO_T *)&toe_private_data;
10036 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
10037 +
10038 + while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr)
10039 + {
10040 + struct sk_buff *skb;
10041 + if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL) /* allocate socket buffer */
10042 + {
10043 + printk("%s::skb buffer allocation fail !\n",__func__); while(1);
10044 + }
10045 + // *(unsigned int *)(skb->data) = (unsigned int)skb;
10046 + REG32(skb->data) = (unsigned long)skb;
10047 + skb_reserve(skb, SKB_RESERVE_BYTES);
10048 +
10049 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
10050 + fq_desc = (volatile GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr;
10051 + fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
10052 + SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
10053 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
10054 + }
10055 +
10056 + toe->fq_rx_rwptr.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
10057 + toe->fq_rx_rwptr.bits.rptr = 0;
10058 + writel(toe->fq_rx_rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
10059 +
10060 +}
10061 +/*----------------------------------------------------------------------
10062 +* sl351x_gmac_release_hw_free_q
10063 +*----------------------------------------------------------------------*/
10064 +static void sl351x_gmac_release_hw_free_q(void)
10065 +{
10066 + DMA_RWPTR_T rwptr_reg;
10067 +
10068 +#ifdef CONFIG_SL351x_NAT
10069 + int i;
10070 + TOE_INFO_T *toe;
10071 + GMAC_RXDESC_T *desc_ptr;
10072 + unsigned int buf_ptr;
10073 +
10074 + toe = (TOE_INFO_T *)&toe_private_data;
10075 + desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base;
10076 + buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
10077 + for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
10078 + {
10079 + desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
10080 + desc_ptr->word1.bits.sw_id = i;
10081 + desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
10082 + desc_ptr++;
10083 + buf_ptr += HW_RX_BUF_SIZE;
10084 + }
10085 +#endif
10086 + rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
10087 + rwptr_reg.bits.rptr = 0;
10088 + writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
10089 +}
10090 +
10091 +/*----------------------------------------------------------------------
10092 +* sl351x_gmac_release_hw_free_q
10093 +*----------------------------------------------------------------------*/
10094 +#ifdef CONFIG_SL351x_NAT
10095 +static void sl351x_gmac_release_hwtx_q(void)
10096 +{
10097 + int i;
10098 + unsigned int rwptr_addr;
10099 +
10100 + rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
10101 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
10102 + {
10103 + writel(0, rwptr_addr);
10104 + rwptr_addr+=4;
10105 + }
10106 + rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
10107 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
10108 + {
10109 + writel(0, rwptr_addr);
10110 + rwptr_addr+=4;
10111 + }
10112 +}
10113 +#endif
10114 +
10115 +/*----------------------------------------------------------------------
10116 +* sl351x_gmac_save_reg
10117 +*----------------------------------------------------------------------*/
10118 +void sl351x_gmac_save_reg(void)
10119 +{
10120 + int i;
10121 + volatile u32 *destp;
10122 + unsigned int srce_addr;
10123 +
10124 + srce_addr = TOE_GLOBAL_BASE;
10125 + destp = (volatile u32 *)toe_global_reg;
10126 + for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, destp++, srce_addr+=4)
10127 + *destp = readl(srce_addr);
10128 +
10129 + srce_addr = TOE_GMAC0_DMA_BASE;
10130 + destp = (volatile u32 *)&toe_dma_reg[0][0];
10131 + for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4)
10132 + {
10133 + if (srce_addr == (TOE_GMAC0_DMA_BASE+0x38))
10134 + srce_addr = (TOE_GMAC0_DMA_BASE+0x50);
10135 + if (srce_addr == (TOE_GMAC0_DMA_BASE+0x58))
10136 + srce_addr = (TOE_GMAC0_DMA_BASE+0x70);
10137 +
10138 + *destp = readl(srce_addr);
10139 + }
10140 + srce_addr = TOE_GMAC1_DMA_BASE;
10141 + destp = (volatile u32 *)&toe_dma_reg[1][0];
10142 + for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4)
10143 + {
10144 + if (srce_addr == (TOE_GMAC0_DMA_BASE+0x38))
10145 + srce_addr = (TOE_GMAC0_DMA_BASE+0x50);
10146 + if (srce_addr == (TOE_GMAC0_DMA_BASE+0x58))
10147 + srce_addr = (TOE_GMAC0_DMA_BASE+0x70);
10148 +
10149 + *destp = readl(srce_addr);
10150 + }
10151 +
10152 + srce_addr = TOE_GMAC0_BASE;
10153 + destp = (volatile u32 *)&toe_gmac_reg[0][0];
10154 + for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4)
10155 + *destp = readl(srce_addr);
10156 +
10157 + srce_addr = TOE_GMAC1_BASE;
10158 + destp = (volatile u32 *)&toe_gmac_reg[1][0];
10159 + for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4)
10160 + *destp = readl(srce_addr);
10161 +}
10162 +
10163 +/*----------------------------------------------------------------------
10164 +* sl351x_gmac_restore_reg
10165 +*----------------------------------------------------------------------*/
10166 +void sl351x_gmac_restore_reg(void)
10167 +{
10168 + int i;
10169 + volatile u32 *srcep;
10170 + unsigned int dest_addr;
10171 +
10172 + srcep = (volatile u32 *)&toe_dma_reg[0][0];
10173 + dest_addr = TOE_GMAC0_DMA_BASE;
10174 + for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++)
10175 + {
10176 + if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38))
10177 + dest_addr = (TOE_GMAC0_DMA_BASE+0x50);
10178 + if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58))
10179 + dest_addr = (TOE_GMAC0_DMA_BASE+0x70);
10180 +
10181 + writel(*srcep, dest_addr);
10182 + // gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff);
10183 + }
10184 + srcep = (volatile u32 *)&toe_dma_reg[1][0];
10185 + dest_addr = TOE_GMAC1_DMA_BASE;
10186 + for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++)
10187 + {
10188 + if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38))
10189 + dest_addr = (TOE_GMAC0_DMA_BASE+0x50);
10190 + if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58))
10191 + dest_addr = (TOE_GMAC0_DMA_BASE+0x70);
10192 +
10193 + writel(*srcep, dest_addr);
10194 + // gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff);
10195 + }
10196 +
10197 + srcep = (volatile u32 *)&toe_gmac_reg[0][0];
10198 + dest_addr = TOE_GMAC0_BASE;
10199 + for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++)
10200 + writel(*srcep, dest_addr);
10201 +
10202 + srcep = (volatile u32 *)&toe_gmac_reg[1][0];
10203 + dest_addr = TOE_GMAC1_BASE;
10204 + for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++)
10205 + writel(*srcep, dest_addr);
10206 +
10207 + srcep = (volatile u32 *)toe_global_reg;
10208 + dest_addr = TOE_GLOBAL_BASE;
10209 + for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, dest_addr+=4, srcep++)
10210 + writel(*srcep, dest_addr);
10211 +
10212 +}
10213 +
10214 +#ifdef CONFIG_SL351x_NAT
10215 +/*----------------------------------------------------------------------
10216 +* sl351x_nat_workaround_init
10217 +*----------------------------------------------------------------------*/
10218 +#define NAT_WORAROUND_DESC_POWER (6)
10219 +#define NAT_WORAROUND_DESC_NUM (2 << NAT_WORAROUND_DESC_POWER)
10220 +dma_addr_t sl351x_nat_workaround_desc_dma;
10221 +void sl351x_nat_workaround_init(void)
10222 +{
10223 + unsigned int desc_buf;
10224 +
10225 + desc_buf = (unsigned int)DMA_MALLOC((NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T)),
10226 + (dma_addr_t *)&sl351x_nat_workaround_desc_dma) ;
10227 + memset((void *)desc_buf, 0, NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T));
10228 +
10229 + // DMA Queue Base & Size
10230 + writel((sl351x_nat_workaround_desc_dma & DMA_Q_BASE_MASK) | NAT_WORAROUND_DESC_POWER,
10231 + TOE_GLOBAL_BASE + 0x4080);
10232 + writel(0, TOE_GLOBAL_BASE + 0x4084);
10233 +}
10234 +
10235 +/*----------------------------------------------------------------------
10236 +* sl351x_nat_workaround_handler
10237 +*----------------------------------------------------------------------*/
10238 +#ifndef NAT_WORKAROUND_BY_RESET_GMAC
10239 +static void sl351x_nat_workaround_handler(void)
10240 +{
10241 + int i;
10242 + DMA_RWPTR_T rwptr;
10243 + GMAC_RXDESC_T *desc_ptr;
10244 + unsigned int buf_ptr;
10245 + TOE_INFO_T *toe;
10246 + GMAC_CONFIG0_T config0;
10247 + unsigned int rwptr_addr;
10248 +
10249 + toe = (TOE_INFO_T *)&toe_private_data;
10250 +
10251 + // disable Rx of GMAC-0 & 1
10252 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
10253 + config0.bits.dis_rx = 1;
10254 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
10255 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
10256 + config0.bits.dis_rx = 1;
10257 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
10258 +
10259 + // wait GMAC-0 HW Tx finished
10260 + rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
10261 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
10262 + {
10263 + rwptr.bits32 = readl(rwptr_addr);
10264 + if (rwptr.bits.rptr != rwptr.bits.wptr)
10265 + return; // wait the HW to send packets and release buffers
10266 + rwptr_addr+=4;
10267 + }
10268 + rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
10269 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
10270 + {
10271 + rwptr.bits32 = readl(rwptr_addr);
10272 + if (rwptr.bits.rptr != rwptr.bits.wptr)
10273 + return; // wait the HW to send packets and release buffers
10274 + rwptr_addr+=4;
10275 + }
10276 +
10277 + // printk("sl351x_nat_workaround_handler %d\n", sl351x_nat_workaround_cnt);
10278 + desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base;
10279 + buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
10280 + for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
10281 + {
10282 + desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
10283 + desc_ptr->word1.bits.sw_id = i;
10284 + desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
10285 + desc_ptr++;
10286 + buf_ptr += HW_RX_BUF_SIZE;
10287 + }
10288 + rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
10289 + rwptr.bits.wptr = RWPTR_RECEDE_ONE(rwptr.bits.rptr, TOE_HW_FREEQ_DESC_NUM);
10290 + writel(rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
10291 + writel(0, TOE_GLOBAL_BASE + 0x4084);
10292 +
10293 + // Enable Rx of GMAC-0 & 1
10294 + config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
10295 + config0.bits.dis_rx = 0;
10296 + writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
10297 + config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
10298 + config0.bits.dis_rx = 0;
10299 + writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
10300 +}
10301 +#endif
10302 +#endif // CONFIG_SL351x_NAT
10303 +
10304 +#endif // SL351x_GMAC_WORKAROUND
10305 +
10306 +/* get the mac addresses from flash
10307 + *can't do this in module_init because mtd driver is initialized after ethernet
10308 + */
10309 +static __init int sl351x_mac_address_init(void)
10310 +{
10311 + GMAC_INFO_T *tp;
10312 + struct sockaddr sock;
10313 + int i;
10314 +
10315 + /* get mac address from FLASH */
10316 + gmac_get_mac_address();
10317 +
10318 + for (i = 0; i < GMAC_NUM; i++) {
10319 + tp = (GMAC_INFO_T *)&toe_private_data.gmac[i];
10320 + memcpy(&sock.sa_data[0],&eth_mac[tp->port_id][0],6);
10321 + gmac_set_mac_address(tp->dev,(void *)&sock);
10322 + }
10323 +
10324 + return 0;
10325 +}
10326 +late_initcall(sl351x_mac_address_init);
10327 +
10328 +
10329 --- /dev/null
10330 +++ b/drivers/net/sl351x_hash.c
10331 @@ -0,0 +1,713 @@
10332 +/**************************************************************************
10333 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
10334 +*--------------------------------------------------------------------------
10335 +* Name : sl351x_hash.c
10336 +* Description :
10337 +* Handle Storlink SL351x Hash Functions
10338 +*
10339 +* History
10340 +*
10341 +* Date Writer Description
10342 +*----------------------------------------------------------------------------
10343 +* 03/13/2006 Gary Chen Create and implement
10344 +*
10345 +****************************************************************************/
10346 +#include <linux/module.h>
10347 +#include <linux/kernel.h>
10348 +#include <linux/compiler.h>
10349 +#include <linux/pci.h>
10350 +#include <linux/init.h>
10351 +#include <linux/ioport.h>
10352 +#include <linux/netdevice.h>
10353 +#include <linux/etherdevice.h>
10354 +#include <linux/rtnetlink.h>
10355 +#include <linux/delay.h>
10356 +#include <linux/ethtool.h>
10357 +#include <linux/mii.h>
10358 +#include <linux/completion.h>
10359 +#include <asm/hardware.h>
10360 +#include <asm/io.h>
10361 +#include <asm/irq.h>
10362 +#include <asm/semaphore.h>
10363 +#include <asm/arch/irqs.h>
10364 +#include <asm/arch/it8712.h>
10365 +#include <linux/mtd/kvctl.h>
10366 +#include <linux/skbuff.h>
10367 +#include <linux/in.h>
10368 +#include <linux/ip.h>
10369 +#include <linux/tcp.h>
10370 +#include <linux/list.h>
10371 +#define MIDWAY
10372 +#define SL_LEPUS
10373 +
10374 +#include <asm/arch/sl2312.h>
10375 +#include <asm/arch/sl351x_gmac.h>
10376 +#include <asm/arch/sl351x_hash_cfg.h>
10377 +
10378 +#ifndef RXTOE_DEBUG
10379 +#define RXTOE_DEBUG
10380 +#endif
10381 +#undef RXTOE_DEBUG
10382 +
10383 +/*----------------------------------------------------------------------
10384 +* Definition
10385 +*----------------------------------------------------------------------*/
10386 +#define hash_printf printk
10387 +
10388 +#define HASH_TIMER_PERIOD (30) // seconds
10389 +#define HASH_ILLEGAL_INDEX 0xffff
10390 +
10391 +/*----------------------------------------------------------------------
10392 +* Variables
10393 +*----------------------------------------------------------------------*/
10394 +u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
10395 +char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
10396 +static struct timer_list hash_timer_obj;
10397 +LIST_HEAD(hash_timeout_list);
10398 +
10399 +/*----------------------------------------------------------------------
10400 +* Functions
10401 +*----------------------------------------------------------------------*/
10402 +void dm_long(u32 location, int length);
10403 +static void hash_timer_func(u32 data);
10404 +
10405 +/*----------------------------------------------------------------------
10406 +* hash_init
10407 +*----------------------------------------------------------------------*/
10408 +void sl351x_hash_init(void)
10409 +{
10410 + int i;
10411 + volatile u32 *dp1, *dp2, dword;
10412 +
10413 + dp1 = (volatile u32 *) TOE_V_BIT_BASE;
10414 + dp2 = (volatile u32 *) TOE_A_BIT_BASE;
10415 +
10416 + for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
10417 + {
10418 + *dp1++ = 0;
10419 + dword = *dp2++; // read-clear
10420 + }
10421 + memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits));
10422 + memset((void *)&hash_tables, 0, sizeof(hash_tables));
10423 +
10424 + init_timer(&hash_timer_obj);
10425 + hash_timer_obj.expires = jiffies + (HASH_TIMER_PERIOD * HZ);
10426 + hash_timer_obj.data = (unsigned long)&hash_timer_obj;
10427 + hash_timer_obj.function = (void *)&hash_timer_func;
10428 + add_timer(&hash_timer_obj);
10429 +
10430 +#if (HASH_MAX_BYTES == 128)
10431 + writel((unsigned long)__pa(&hash_tables) | 3, // 32 words
10432 + TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
10433 +#elif (HASH_MAX_BYTES == 64)
10434 + writel((unsigned long)__pa(&hash_tables) | 2, // 16 words
10435 + TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
10436 +#else
10437 + #error Incorrect setting for HASH_MAX_BYTES
10438 +#endif
10439 +
10440 +}
10441 +/*----------------------------------------------------------------------
10442 +* hash_add_entry
10443 +*----------------------------------------------------------------------*/
10444 +int hash_add_entry(HASH_ENTRY_T *entry)
10445 +{
10446 + int rc;
10447 + u32 key[HASH_MAX_DWORDS];
10448 + rc = hash_build_keys((u32 *)&key, entry);
10449 + if (rc < 0)
10450 + return -1;
10451 + hash_write_entry(entry, (unsigned char*) &key[0]);
10452 +// hash_set_valid_flag(entry->index, 1);
10453 +// printk("Dump hash key!\n");
10454 +// dump_hash_key(entry);
10455 + return entry->index;
10456 +}
10457 +
10458 +/*----------------------------------------------------------------------
10459 +* hash_set_valid_flag
10460 +*----------------------------------------------------------------------*/
10461 +void hash_set_valid_flag(int index, int valid)
10462 +{
10463 + register u32 reg32;
10464 +
10465 + reg32 = TOE_V_BIT_BASE + (index/32) * 4;
10466 +
10467 + if (valid)
10468 + {
10469 + writel(readl(reg32) | (1 << (index%32)), reg32);
10470 + }
10471 + else
10472 + {
10473 + writel(readl(reg32) & ~(1 << (index%32)), reg32);
10474 + }
10475 +}
10476 +
10477 +/*----------------------------------------------------------------------
10478 +* hash_set_nat_owner_flag
10479 +*----------------------------------------------------------------------*/
10480 +void hash_set_nat_owner_flag(int index, int valid)
10481 +{
10482 + if (valid)
10483 + {
10484 + hash_nat_owner_bits[index/32] |= (1 << (index % 32));
10485 + }
10486 + else
10487 + {
10488 + hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
10489 + }
10490 +}
10491 +
10492 +
10493 +/*----------------------------------------------------------------------
10494 +* hash_build_keys
10495 +*----------------------------------------------------------------------*/
10496 +int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry)
10497 +{
10498 + u32 data;
10499 + unsigned char *cp;
10500 + int i, j;
10501 + unsigned short index;
10502 + int total;
10503 +
10504 + memset((void *)destp, 0, HASH_MAX_BYTES);
10505 + cp = (unsigned char *)destp;
10506 +
10507 + if (entry->key_present.port || entry->key_present.Ethertype)
10508 + {
10509 + HASH_PUSH_WORD(cp, entry->key.Ethertype); // word 0
10510 + HASH_PUSH_BYTE(cp, entry->key.port); // Byte 2
10511 + HASH_PUSH_BYTE(cp, 0); // Byte 3
10512 + }
10513 + else
10514 + {
10515 + HASH_PUSH_DWORD(cp, 0);
10516 + }
10517 +
10518 + if (entry->key_present.da || entry->key_present.sa)
10519 + {
10520 + unsigned char mac[4];
10521 + if (entry->key_present.da)
10522 + {
10523 + for (i=0; i<4; i++)
10524 + HASH_PUSH_BYTE(cp, entry->key.da[i]);
10525 + }
10526 + mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
10527 + mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
10528 + mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
10529 + mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
10530 + data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
10531 + HASH_PUSH_DWORD(cp, data);
10532 + if (entry->key_present.sa)
10533 + {
10534 + for (i=2; i<6; i++)
10535 + HASH_PUSH_BYTE(cp, entry->key.sa[i]);
10536 + }
10537 + }
10538 +
10539 + if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
10540 + {
10541 + HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word
10542 + HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word
10543 + }
10544 + if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol)
10545 + {
10546 + HASH_PUSH_BYTE(cp, entry->key.ip_protocol); // Byte 0
10547 + HASH_PUSH_BYTE(cp, entry->key.ip_tos); // Byte 1
10548 + HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen); // Byte 2
10549 + HASH_PUSH_BYTE(cp, 0); // Byte 3
10550 + }
10551 +
10552 + if (entry->key_present.ipv6_flow_label)
10553 + {
10554 + HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label); // low word
10555 + }
10556 + if (entry->key_present.sip)
10557 + {
10558 + // input (entry->key.sip[i]) is network-oriented
10559 + // output (hash key) is host-oriented
10560 + for (i=3; i>=0; i--)
10561 + HASH_PUSH_BYTE(cp, entry->key.sip[i]);
10562 + if (entry->key.ipv6)
10563 + {
10564 + for (i=4; i<16; i+=4)
10565 + {
10566 + for (j=i+3; j>=i; j--)
10567 + HASH_PUSH_BYTE(cp, entry->key.sip[j]);
10568 + }
10569 + }
10570 + }
10571 + if (entry->key_present.dip)
10572 + {
10573 + // input (entry->key.sip[i]) is network-oriented
10574 + // output (hash key) is host-oriented
10575 + for (i=3; i>=0; i--)
10576 + HASH_PUSH_BYTE(cp, entry->key.dip[i]);
10577 + if (entry->key.ipv6)
10578 + {
10579 + for (i=4; i<16; i+=4)
10580 + {
10581 + for (j=i+3; j>=i; j--)
10582 + HASH_PUSH_BYTE(cp, entry->key.dip[j]);
10583 + }
10584 + }
10585 + }
10586 +
10587 + if (entry->key_present.l4_bytes_0_3)
10588 + {
10589 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
10590 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
10591 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
10592 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
10593 + }
10594 + if (entry->key_present.l4_bytes_4_7)
10595 + {
10596 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]);
10597 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]);
10598 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]);
10599 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]);
10600 + }
10601 + if (entry->key_present.l4_bytes_8_11)
10602 + {
10603 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]);
10604 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]);
10605 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]);
10606 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]);
10607 + }
10608 + if (entry->key_present.l4_bytes_12_15)
10609 + {
10610 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]);
10611 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]);
10612 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]);
10613 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]);
10614 + }
10615 + if (entry->key_present.l4_bytes_16_19)
10616 + {
10617 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]);
10618 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]);
10619 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]);
10620 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]);
10621 + }
10622 + if (entry->key_present.l4_bytes_20_23)
10623 + {
10624 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]);
10625 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]);
10626 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]);
10627 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]);
10628 + }
10629 + if (entry->key_present.l7_bytes_0_3)
10630 + {
10631 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]);
10632 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]);
10633 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]);
10634 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]);
10635 + }
10636 + if (entry->key_present.l7_bytes_4_7)
10637 + {
10638 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]);
10639 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]);
10640 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]);
10641 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]);
10642 + }
10643 + if (entry->key_present.l7_bytes_8_11)
10644 + {
10645 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]);
10646 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]);
10647 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]);
10648 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]);
10649 + }
10650 + if (entry->key_present.l7_bytes_12_15)
10651 + {
10652 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]);
10653 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]);
10654 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]);
10655 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]);
10656 + }
10657 + if (entry->key_present.l7_bytes_16_19)
10658 + {
10659 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]);
10660 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]);
10661 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]);
10662 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]);
10663 + }
10664 + if (entry->key_present.l7_bytes_20_23)
10665 + {
10666 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]);
10667 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]);
10668 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]);
10669 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]);
10670 + }
10671 +
10672 + // get hash index
10673 + total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
10674 +
10675 + if (total > HASH_MAX_KEY_DWORD)
10676 + {
10677 + //hash_printf("Total key words (%d) is too large (> %d)!\n",
10678 + // total, HASH_MAX_KEY_DWORD);
10679 + return -1;
10680 + }
10681 +
10682 + if (entry->key_present.port || entry->key_present.Ethertype)
10683 + index = hash_gen_crc16((unsigned char *)destp, total * 4);
10684 + else
10685 + {
10686 + if (total == 1)
10687 + {
10688 + hash_printf("No key is assigned!\n");
10689 + return -1;
10690 + }
10691 +
10692 + index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4);
10693 + }
10694 +
10695 + entry->index = index & HASH_BITS_MASK;
10696 +
10697 + //hash_printf("Total key words = %d, Hash Index= %d\n",
10698 + // total, entry->index);
10699 +
10700 + cp = (unsigned char *)destp;
10701 + cp+=3;
10702 + HASH_PUSH_BYTE(cp, entry->rule); // rule
10703 +
10704 + entry->total_dwords = total;
10705 +
10706 + return total;
10707 +}
10708 +
10709 +/*----------------------------------------------------------------------
10710 +* hash_build_nat_keys
10711 +*----------------------------------------------------------------------*/
10712 +void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry)
10713 +{
10714 + unsigned char *cp;
10715 + int i;
10716 + unsigned short index;
10717 + int total;
10718 +
10719 + memset((void *)destp, 0, HASH_MAX_BYTES);
10720 +
10721 + cp = (unsigned char *)destp + 2;
10722 + HASH_PUSH_BYTE(cp, entry->key.port);
10723 + cp++;
10724 +
10725 + if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
10726 + {
10727 + HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word
10728 + HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word
10729 + }
10730 +
10731 + HASH_PUSH_BYTE(cp, entry->key.ip_protocol);
10732 + cp+=3;
10733 +
10734 + // input (entry->key.sip[i]) is network-oriented
10735 + // output (hash key) is host-oriented
10736 + for (i=3; i>=0; i--)
10737 + HASH_PUSH_BYTE(cp, entry->key.sip[i]);
10738 +
10739 + // input (entry->key.sip[i]) is network-oriented
10740 + // output (hash key) is host-oriented
10741 + for (i=3; i>=0; i--)
10742 + HASH_PUSH_BYTE(cp, entry->key.dip[i]);
10743 +
10744 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
10745 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
10746 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
10747 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
10748 +
10749 + // get hash index
10750 + total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
10751 +
10752 + index = hash_gen_crc16((unsigned char *)destp, total * 4);
10753 + entry->index = index & ((1 << HASH_BITS) - 1);
10754 +
10755 + cp = (unsigned char *)destp;
10756 + cp+=3;
10757 + HASH_PUSH_BYTE(cp, entry->rule); // rule
10758 +
10759 + entry->total_dwords = total;
10760 +}
10761 +
10762 +/*----------------------------------------------------------------------
10763 +* hash_build_toe_keys
10764 +*----------------------------------------------------------------------*/
10765 +int hash_build_toe_keys(u32 *destp, HASH_ENTRY_T *entry)
10766 +{
10767 + unsigned long data;
10768 + unsigned char *cp;
10769 + unsigned short index;
10770 + int i;
10771 + int total;
10772 + //printk("%s\n", __func__);
10773 + memset((void*)destp, 0, HASH_MAX_BYTES);
10774 + cp = (unsigned char*)destp;
10775 +
10776 + if(entry->key_present.port || entry->key_present.Ethertype) {
10777 + data = (entry->key.port << 16) + entry->key.Ethertype;
10778 + HASH_PUSH_DWORD(cp, data);
10779 + } else
10780 + HASH_PUSH_DWORD(cp, 0);
10781 +
10782 + if (entry->key_present.da || entry->key_present.sa) {
10783 + unsigned char mac[4];
10784 + if (entry->key_present.da) {
10785 + data = (entry->key.da[0]) + (entry->key.da[1] << 8) +
10786 + (entry->key.da[2] << 16) + (entry->key.da[3] <<24);
10787 + HASH_PUSH_DWORD(cp, data);
10788 + }
10789 + mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
10790 + mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
10791 + mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
10792 + mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
10793 + data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
10794 + HASH_PUSH_DWORD(cp, data);
10795 + if (entry->key_present.sa) {
10796 + data = (entry->key.sa[2]) + (entry->key.sa[3] << 8) +
10797 + (entry->key.sa[4] << 16) + (entry->key.sa[5] <<24);
10798 + HASH_PUSH_DWORD(cp, data);
10799 + }
10800 + }
10801 +
10802 + if (entry->key_present.ip_protocol) {
10803 + unsigned char ip_protocol;
10804 + ip_protocol = entry->key.ip_protocol;
10805 + data = ip_protocol;
10806 + HASH_PUSH_DWORD(cp, data);
10807 + }
10808 +
10809 + if (entry->key_present.ipv6_flow_label) {
10810 + unsigned long flow_label;
10811 + flow_label = entry->key.ipv6_flow_label;
10812 + data = flow_label & 0xfffff;
10813 + HASH_PUSH_DWORD(cp, data);
10814 + }
10815 +
10816 + if (entry->key_present.sip) {
10817 + {
10818 + data = IPIV(entry->key.sip[0], entry->key.sip[1],
10819 + entry->key.sip[2], entry->key.sip[3]);
10820 + HASH_PUSH_DWORD(cp, data);
10821 + if (entry->key.ipv6) {
10822 + for (i=4; i<16; i+=4) {
10823 + data = IPIV(entry->key.sip[i+0], entry->key.sip[i+1],
10824 + entry->key.sip[i+2], entry->key.sip[i+3]);
10825 + HASH_PUSH_DWORD(cp, data);
10826 + }
10827 + }
10828 + }
10829 + }
10830 +
10831 + if (entry->key_present.dip) {
10832 + {
10833 + data = IPIV(entry->key.dip[0], entry->key.dip[1],
10834 + entry->key.dip[2], entry->key.dip[3]);
10835 + HASH_PUSH_DWORD(cp, data);
10836 + if (entry->key.ipv6) {
10837 + for (i=4; i<16; i+=4) {
10838 + data = IPIV(entry->key.dip[i+0], entry->key.dip[i+1],
10839 + entry->key.dip[i+2], entry->key.dip[i+3]);
10840 + HASH_PUSH_DWORD(cp, data);
10841 + }
10842 + }
10843 + }
10844 + }
10845 + if (entry->key_present.l4_bytes_0_3)
10846 + {
10847 + unsigned char *datap;
10848 + datap = &entry->key.l4_bytes[0];
10849 + data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
10850 + HASH_PUSH_DWORD(cp, data);
10851 + }
10852 + if (entry->key_present.l7_bytes_0_3)
10853 + {
10854 + unsigned char *datap;
10855 + datap = &entry->key.l7_bytes[0];
10856 + data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
10857 + HASH_PUSH_DWORD(cp, data);
10858 + }
10859 + if (entry->key_present.l7_bytes_4_7)
10860 + {
10861 + unsigned char *datap;
10862 + datap = &entry->key.l7_bytes[4];
10863 + data = datap[0] + (datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
10864 + HASH_PUSH_DWORD(cp, data);
10865 + }
10866 +
10867 + total = (unsigned long)((unsigned long)cp - (unsigned long)destp) / (sizeof(u32));
10868 + if (total > HASH_MAX_KEY_DWORD) {
10869 + //printf("Total key words (%d) is too large (> %d)!\n",
10870 + // total, HASH_MAX_KEY_DWORD);
10871 + return -1;
10872 + }
10873 + index = hash_gen_crc16((unsigned char*)(destp + 1), (total-1)*4);
10874 + entry->index = index & ((1 << HASH_BITS)-1);
10875 +
10876 + cp = (unsigned char*) destp;
10877 + cp += 3;
10878 + HASH_PUSH_BYTE(cp, entry->rule);
10879 + entry->total_dwords = total;
10880 + return total;
10881 +}
10882 +
10883 +/*----------------------------------------------------------------------
10884 +* hash_add_toe_entry
10885 +*----------------------------------------------------------------------*/
10886 +int hash_add_toe_entry(HASH_ENTRY_T *entry)
10887 +{
10888 + int rc;
10889 + u32 key[HASH_MAX_DWORDS];
10890 +
10891 + rc = hash_build_toe_keys((u32 *)&key, entry);
10892 + if (rc < 0)
10893 + return -1;
10894 + hash_write_entry(entry, (unsigned char*) &key[0]);
10895 + //hash_dump_entry(entry->index);
10896 +// hash_set_valid_flag(entry->index, 1);
10897 +// printk("Dump hash key!\n");
10898 +// dump_hash_key(entry);
10899 + return entry->index;
10900 +}
10901 +
10902 +
10903 +/*----------------------------------------------------------------------
10904 +* hash_write_entry
10905 +*----------------------------------------------------------------------*/
10906 +int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key)
10907 +{
10908 + int i;
10909 + u32 *srcep, *destp, *destp2;
10910 +
10911 + srcep = (u32 *)key;
10912 + destp2 = destp = (u32 *)&hash_tables[entry->index][0];
10913 +
10914 + for (i=0; i<(entry->total_dwords); i++, srcep++, destp++)
10915 + *destp = *srcep;
10916 +
10917 + srcep = (u32 *)&entry->action;
10918 + *destp++ = *srcep;
10919 +
10920 + srcep = (u32 *)&entry->param;
10921 + for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++)
10922 + *destp = *srcep;
10923 +
10924 + memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32));
10925 +
10926 + consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE);
10927 + return 0;
10928 +}
10929 +
10930 +/*----------------------------------------------------------------------
10931 +* hash_timer_func
10932 +*----------------------------------------------------------------------*/
10933 +static void hash_timer_func(u32 data)
10934 +{
10935 + int i, j, idx;
10936 + volatile u32 *own_p, *valid_p;
10937 + u32 own_bits, a_bits;
10938 + int period = HASH_TIMER_PERIOD;
10939 +
10940 + valid_p = (volatile u32 *)TOE_V_BIT_BASE;
10941 + own_p = (volatile u32 *)hash_nat_owner_bits;
10942 + for (i=0, idx=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, valid_p++, idx+=32)
10943 + {
10944 + a_bits = readl(TOE_A_BIT_BASE + (i*4));
10945 + own_bits = *own_p;
10946 + if (own_bits)
10947 + {
10948 + for (j=0; own_bits && j<32; j++)
10949 + {
10950 + if (own_bits & 1)
10951 + {
10952 + short *counter_p, *interval_p;
10953 + NAT_HASH_ENTRY_T *nat_entry;
10954 + GRE_HASH_ENTRY_T *gre_entry;
10955 + nat_entry = (NAT_HASH_ENTRY_T *)hash_get_entry(idx+j);
10956 + gre_entry = (GRE_HASH_ENTRY_T *)nat_entry;
10957 + if (nat_entry->key.ip_protocol == IPPROTO_GRE)
10958 + {
10959 + counter_p = (short *)&gre_entry->tmo.counter;
10960 + interval_p = (short *)&gre_entry->tmo.interval;
10961 + }
10962 + else
10963 + {
10964 + counter_p = (short *)&nat_entry->tmo.counter;
10965 + interval_p = (short *)&nat_entry->tmo.interval;
10966 + }
10967 + if (a_bits & 1)
10968 + {
10969 + *counter_p = *interval_p;
10970 + }
10971 + else
10972 + {
10973 + *counter_p -= HASH_TIMER_PERIOD;
10974 + if (*counter_p <= 0)
10975 + {
10976 + *valid_p &= ~(1 << j); // invalidate it
10977 + *own_p &= ~(1 << j); // release ownership for NAT
10978 + *counter_p = 0;
10979 + // hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j);
10980 + }
10981 + else if (period > *counter_p)
10982 + {
10983 + period = *counter_p;
10984 + }
10985 + }
10986 + }
10987 + a_bits >>= 1;
10988 + own_bits >>=1;
10989 + }
10990 + }
10991 + }
10992 +
10993 + hash_timer_obj.expires = jiffies + (period * HZ);
10994 + add_timer((struct timer_list *)data);
10995 +}
10996 +
10997 +/*----------------------------------------------------------------------
10998 +* dm_long
10999 +*----------------------------------------------------------------------*/
11000 +void dm_long(u32 location, int length)
11001 +{
11002 + u32 *start_p, *curr_p, *end_p;
11003 + u32 *datap, data;
11004 + int i;
11005 +
11006 + //if (length > 1024)
11007 + // length = 1024;
11008 +
11009 + start_p = (u32 *)location;
11010 + end_p = (u32 *)location + length;
11011 + curr_p = (u32 *)((u32)location & 0xfffffff0);
11012 + datap = (u32 *)location;
11013 + while (curr_p < end_p)
11014 + {
11015 + hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0);
11016 + for (i=0; i<4; i++)
11017 + {
11018 + if (curr_p < start_p || curr_p >= end_p)
11019 + hash_printf(" ");
11020 + else
11021 + {
11022 + data = *datap;
11023 + hash_printf("%08X ", data);
11024 + }
11025 + if (i==1)
11026 + hash_printf("- ");
11027 +
11028 + curr_p++;
11029 + datap++;
11030 + }
11031 + hash_printf("\n");
11032 + }
11033 +}
11034 +
11035 +/*----------------------------------------------------------------------
11036 +* hash_dump_entry
11037 +*----------------------------------------------------------------------*/
11038 +void hash_dump_entry(int index)
11039 +{
11040 + hash_printf("Hash Index %d:\n", index);
11041 + dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS);
11042 +}
11043 +
11044 +
11045 --- /dev/null
11046 +++ b/drivers/net/sl351x_nat.c
11047 @@ -0,0 +1,1736 @@
11048 +/****************************************************************************
11049 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
11050 +*----------------------------------------------------------------------------
11051 +* Name : sl351x_nat.c
11052 +* Description :
11053 +* Handle Storlink SL351x NAT Functions
11054 +*
11055 +*
11056 +* Packet Flow:
11057 +*
11058 +* (xmit)+<--- SW NAT -->+(xmit)
11059 +* | ^^ |
11060 +* | || |
11061 +* | || |
11062 +* Client <---> GMAC-x HW-NAT GMAC-y <---> Server
11063 +*
11064 +*
11065 +* History
11066 +*
11067 +* Date Writer Description
11068 +*----------------------------------------------------------------------------
11069 +* 03/13/2006 Gary Chen Create and implement
11070 +*
11071 +*
11072 +****************************************************************************/
11073 +#include <linux/module.h>
11074 +#include <linux/kernel.h>
11075 +#include <linux/compiler.h>
11076 +#include <linux/pci.h>
11077 +#include <linux/init.h>
11078 +#include <linux/ioport.h>
11079 +#include <linux/netdevice.h>
11080 +#include <linux/etherdevice.h>
11081 +#include <linux/rtnetlink.h>
11082 +#include <linux/delay.h>
11083 +#include <linux/ethtool.h>
11084 +#include <linux/mii.h>
11085 +#include <linux/completion.h>
11086 +#include <asm/hardware.h>
11087 +#include <asm/io.h>
11088 +#include <asm/irq.h>
11089 +#include <asm/semaphore.h>
11090 +#include <asm/arch/irqs.h>
11091 +#include <asm/arch/it8712.h>
11092 +#include <linux/mtd/kvctl.h>
11093 +#include <linux/skbuff.h>
11094 +#include <linux/if_ether.h>
11095 +#include <linux/if_pppox.h>
11096 +#include <linux/in.h>
11097 +#include <linux/ip.h>
11098 +#include <linux/tcp.h>
11099 +#include <linux/udp.h>
11100 +#include <linux/ppp_defs.h>
11101 +
11102 +#define MIDWAY
11103 +#define SL_LEPUS
11104 +
11105 +#include <asm/arch/sl2312.h>
11106 +#include <asm/arch/sl351x_gmac.h>
11107 +#include <asm/arch/sl351x_hash_cfg.h>
11108 +#include <asm/arch/sl351x_nat_cfg.h>
11109 +#ifdef CONFIG_NETFILTER
11110 +// #include <linux/netfilter/nf_conntrack.h>
11111 +#include <linux/netfilter/nf_conntrack_tcp.h>
11112 +#endif
11113 +
11114 +//#define NAT_DEBUG_MSG 1
11115 +#define _NOT_CHECK_SIP_DIP
11116 +//#define SL351x_NAT_TEST_BY_SMARTBITS 1 // Initialize 32 hash entries and test by SmartBITS
11117 +#define VITESSE_G5SWITCH 1
11118 +
11119 +#ifdef CONFIG_SL351x_NAT
11120 +
11121 +/*----------------------------------------------------------------------
11122 +* Definition
11123 +*----------------------------------------------------------------------*/
11124 +#ifdef CONFIG_SL3516_ASIC
11125 +#define CONFIG_SL351x_NAT_TCP_UDP
11126 +#define CONFIG_SL351x_NAT_GRE
11127 +#define CONFIG_SL351x_TCP_UDP_RULE_ID 0
11128 +#define CONFIG_SL351x_GRE_RULE_ID 1
11129 +#else
11130 +#define CONFIG_SL351x_NAT_TCP_UDP
11131 +//#define CONFIG_SL351x_NAT_GRE
11132 +#define CONFIG_SL351x_TCP_UDP_RULE_ID 0
11133 +#define CONFIG_SL351x_GRE_RULE_ID 0
11134 +#endif
11135 +
11136 +#define nat_printf printk
11137 +#define NAT_FTP_CTRL_PORT (21) // TCP
11138 +#define NAT_H323_PORT (1720) // TCP
11139 +#define NAT_T120_PORT (1503) // TCP
11140 +#define NAT_PPTP_PORT (1723) // TCP
11141 +#define NAT_TFTP_PORT (69) // UDP
11142 +#define NAT_DNS_PORT (53) // UDP
11143 +#define NAT_NTP_PORT (123) // UDP
11144 +#define NAT_RAS_PORT (1719) // UDP
11145 +#define NAT_BOOTP67_PORT (67) // UDP
11146 +#define NAT_BOOTP68_PORT (68) // UDP
11147 +
11148 +#define NAT_TCP_PORT_MAX 64
11149 +#define NAT_UDP_PORT_MAX 64
11150 +
11151 +#define GRE_PROTOCOL (0x880b)
11152 +#define GRE_PROTOCOL_SWAP __constant_htons(0x880b)
11153 +
11154 +#ifdef VITESSE_G5SWITCH
11155 +extern int Giga_switch;
11156 +#endif
11157 +
11158 +typedef struct
11159 +{
11160 + u16 flags_ver;
11161 + u16 protocol;
11162 + u16 payload_length;
11163 + u16 call_id;
11164 + u32 seq;
11165 + u32 ack;
11166 +} GRE_PKTHDR_T;
11167 +
11168 +/*----------------------------------------------------------------------
11169 +* NAT Configuration
11170 +*
11171 +* Note: Any change for network setting, the NAT configuration should
11172 +* be changed also.
11173 +* cfg->lan_port 0 if GMAC-0, 1: if GMAC-1
11174 +* cfg->wan_port 0 if GMAC-0, 1: if GMAC-1
11175 +* cfg->lan_ipaddr, cfg->lan_gateway, cfg->lan_netmask
11176 +* cfg->wan_ipaddr, cfg->wan_gateway, cfg->wan_netmask
11177 +*
11178 +*----------------------------------------------------------------------*/
11179 +NAT_CFG_T nat_cfg;
11180 +static int nat_initialized;
11181 +u32 nat_collision;
11182 +
11183 +#ifdef CONFIG_SL351x_NAT_TCP_UDP
11184 +static u16 fixed_tcp_port_list[]={NAT_FTP_CTRL_PORT,
11185 + NAT_H323_PORT,
11186 + // NAT_T120_PORT,
11187 + NAT_PPTP_PORT,
11188 + 0};
11189 +static u16 fixed_udp_port_list[]={NAT_DNS_PORT,
11190 + NAT_NTP_PORT,
11191 + NAT_TFTP_PORT,
11192 + NAT_RAS_PORT,
11193 + NAT_BOOTP67_PORT,
11194 + NAT_BOOTP68_PORT,
11195 + 0};
11196 +#endif
11197 +
11198 +// #define _HAVE_DYNAMIC_PORT_LIST
11199 +#ifdef _HAVE_DYNAMIC_PORT_LIST
11200 +static u16 dynamic_tcp_port_list[NAT_TCP_PORT_MAX+1];
11201 +static u16 dynamic_udp_port_list[NAT_UDP_PORT_MAX+1]};
11202 +#endif
11203 +
11204 +/*----------------------------------------------------------------------
11205 +* Functions
11206 +*----------------------------------------------------------------------*/
11207 +int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port);
11208 +int sl351x_nat_udp_output(struct sk_buff *skb, int port);
11209 +int sl351x_nat_gre_output(struct sk_buff *skb, int port);
11210 +
11211 +extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
11212 +extern void hash_dump_entry(int index);
11213 +extern void mac_get_hw_tx_weight(struct net_device *dev, char *weight);
11214 +extern void mac_set_hw_tx_weight(struct net_device *dev, char *weight);
11215 +
11216 +#ifdef SL351x_NAT_TEST_BY_SMARTBITS
11217 +static void nat_init_test_entry(void);
11218 +#endif
11219 +/*----------------------------------------------------------------------
11220 +* sl351x_nat_init
11221 +* initialize a NAT matching rule
11222 +* Called by SL351x Driver
11223 +* key : port, protocol, Sip, Dip, Sport, Dport
11224 +* Action : Srce Q: HW Free Queue,
11225 +* Dest Q: HW TxQ
11226 +* Change DA
11227 +* Change SA
11228 +* Change Sip or Dip
11229 +* Change Sport or Dport
11230 +*----------------------------------------------------------------------*/
11231 +void sl351x_nat_init(void)
11232 +{
11233 + int rc;
11234 + GMAC_MRxCR0_T mrxcr0;
11235 + GMAC_MRxCR1_T mrxcr1;
11236 + GMAC_MRxCR2_T mrxcr2;
11237 + NAT_CFG_T *cfg;
11238 +
11239 + if (nat_initialized)
11240 + return;
11241 +
11242 + nat_initialized = 1;
11243 +
11244 + if ((sizeof(NAT_HASH_ENTRY_T) > HASH_MAX_BYTES) ||
11245 + (sizeof(GRE_HASH_ENTRY_T) > HASH_MAX_BYTES))
11246 + {
11247 + nat_printf("NAT_HASH_ENTRY_T structure Size is too larger!\n");
11248 + while(1);
11249 + }
11250 +
11251 + cfg = (NAT_CFG_T *)&nat_cfg;
11252 + memset((void *)cfg, 0, sizeof(NAT_CFG_T));
11253 +#ifdef _HAVE_DYNAMIC_PORT_LIST
11254 + memset((void *)dynamic_tcp_port_list, 0, sizeof(dynamic_tcp_port_list));
11255 + memset((void *)dynamic_udp_port_list, 0, sizeof(dynamic_udp_port_list));
11256 +#endif
11257 +
11258 +#ifdef VITESSE_G5SWITCH
11259 + if(Giga_switch)
11260 + {
11261 + cfg->enabled = 1;
11262 + cfg->tcp_udp_rule_id = CONFIG_SL351x_TCP_UDP_RULE_ID;
11263 + cfg->gre_rule_id = CONFIG_SL351x_GRE_RULE_ID;
11264 + cfg->lan_port = 1;
11265 + cfg->wan_port = 0;
11266 + cfg->default_hw_txq = 3;
11267 + cfg->tcp_tmo_interval = 60;
11268 + cfg->udp_tmo_interval = 180;
11269 + cfg->gre_tmo_interval = 60;
11270 + }
11271 + else
11272 + {
11273 + cfg->enabled = 1;
11274 + cfg->tcp_udp_rule_id = CONFIG_SL351x_TCP_UDP_RULE_ID;
11275 + cfg->gre_rule_id = CONFIG_SL351x_GRE_RULE_ID;
11276 + cfg->lan_port = 0;
11277 + cfg->wan_port = 1;
11278 + cfg->default_hw_txq = 3;
11279 + cfg->tcp_tmo_interval = 60;
11280 + cfg->udp_tmo_interval = 180;
11281 + cfg->gre_tmo_interval = 60;
11282 +
11283 + }
11284 +#endif
11285 +
11286 +#if 1 // debug purpose
11287 + cfg->ipcfg[0].total = 1;
11288 + cfg->ipcfg[0].entry[0].ipaddr = IPIV(192,168,2,92);
11289 + cfg->ipcfg[0].entry[0].netmask = IPIV(255,255,255,0);
11290 + cfg->ipcfg[1].total = 1;
11291 + cfg->ipcfg[1].entry[0].ipaddr = IPIV(192,168,1,200);
11292 + cfg->ipcfg[1].entry[0].netmask = IPIV(255,255,255,0);
11293 +#endif
11294 +
11295 +#if 1
11296 + cfg->xport.total = 0;
11297 +#else
11298 + cfg->xport.total = 4;
11299 +
11300 + // H.323/H.225 Call setup
11301 + cfg->xport.entry[0].protocol = IPPROTO_TCP;
11302 + cfg->xport.entry[0].sport_start = 0;
11303 + cfg->xport.entry[0].sport_end = 0;
11304 + cfg->xport.entry[0].dport_start = 1720;
11305 + cfg->xport.entry[0].dport_end = 1720;
11306 + cfg->xport.entry[1].protocol = IPPROTO_TCP;
11307 + cfg->xport.entry[1].sport_start = 1720;
11308 + cfg->xport.entry[1].sport_end = 1720;
11309 + cfg->xport.entry[1].dport_start = 0;
11310 + cfg->xport.entry[1].dport_end = 0;
11311 +
11312 + // RAS Setup
11313 + cfg->xport.entry[2].protocol = IPPROTO_UDP;
11314 + cfg->xport.entry[2].sport_start = 0;
11315 + cfg->xport.entry[2].sport_end = 0;
11316 + cfg->xport.entry[2].dport_start = 1719;
11317 + cfg->xport.entry[2].dport_end = 1719;
11318 + cfg->xport.entry[3].protocol = IPPROTO_UDP;
11319 + cfg->xport.entry[3].sport_start = 1719;
11320 + cfg->xport.entry[3].sport_end = 1719;
11321 + cfg->xport.entry[3].dport_start = 0;
11322 + cfg->xport.entry[3].dport_end = 0;
11323 +#endif
11324 +
11325 +#ifdef CONFIG_SL351x_NAT_TCP_UDP
11326 + mrxcr0.bits32 = 0;
11327 + mrxcr1.bits32 = 0;
11328 + mrxcr2.bits32 = 0;
11329 + mrxcr0.bits.port = 1;
11330 + mrxcr0.bits.l3 = 1;
11331 + mrxcr0.bits.l4 = 1;
11332 + mrxcr1.bits.sip = 1;
11333 + mrxcr1.bits.dip = 1;
11334 + mrxcr1.bits.l4_byte0_15 = 0x0f; // Byte 0-3
11335 + mrxcr0.bits.sprx = 3;
11336 +
11337 + rc = mac_set_rule_reg(cfg->lan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
11338 + if (rc < 0)
11339 + {
11340 + nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->tcp_udp_rule_id);
11341 + }
11342 +
11343 + if (cfg->lan_port != cfg->wan_port)
11344 + {
11345 + rc = mac_set_rule_reg(cfg->wan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
11346 + if (rc < 0)
11347 + {
11348 + nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->tcp_udp_rule_id);
11349 + }
11350 + }
11351 +#endif
11352 +
11353 +#ifdef CONFIG_SL351x_NAT_GRE
11354 + mrxcr0.bits32 = 0;
11355 + mrxcr1.bits32 = 0;
11356 + mrxcr2.bits32 = 0;
11357 + mrxcr0.bits.port = 1;
11358 + mrxcr0.bits.l3 = 1;
11359 + mrxcr0.bits.l4 = 1;
11360 + mrxcr1.bits.sip = 1;
11361 + mrxcr1.bits.dip = 1;
11362 + mrxcr1.bits.l4_byte0_15 = 0xcc; // Byte 2, 3, 6, 7
11363 + mrxcr0.bits.sprx = 4; // see GMAC driver about SPR
11364 +
11365 + rc = mac_set_rule_reg(cfg->lan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
11366 + if (rc < 0)
11367 + {
11368 + nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->gre_rule_id);
11369 + }
11370 +
11371 + if (cfg->lan_port != cfg->wan_port)
11372 + {
11373 + rc = mac_set_rule_reg(cfg->wan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
11374 + if (rc < 0)
11375 + {
11376 + nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->gre_rule_id);
11377 + }
11378 + }
11379 +#endif
11380 +
11381 +#ifdef SL351x_NAT_TEST_BY_SMARTBITS
11382 + nat_init_test_entry();
11383 +#endif
11384 +}
11385 +
11386 +/*----------------------------------------------------------------------
11387 +* nat_build_keys
11388 +* Note: To call this routine, the key->rule_id MUST be zero
11389 +*----------------------------------------------------------------------*/
11390 +static inline int nat_build_keys(NAT_KEY_T *key)
11391 +{
11392 + return hash_gen_crc16((unsigned char *)key, NAT_KEY_SIZE) & HASH_BITS_MASK;
11393 +}
11394 +
11395 +/*----------------------------------------------------------------------
11396 +* gre_build_keys
11397 +* Note: To call this routine, the key->rule_id MUST be zero
11398 +*----------------------------------------------------------------------*/
11399 +static inline int gre_build_keys(GRE_KEY_T *key)
11400 +{
11401 + return hash_gen_crc16((unsigned char *)key, GRE_KEY_SIZE) & HASH_BITS_MASK;
11402 +}
11403 +
11404 +/*----------------------------------------------------------------------
11405 +* nat_write_hash_entry
11406 +*----------------------------------------------------------------------*/
11407 +static inline int nat_write_hash_entry(int index, void *hash_entry)
11408 +{
11409 + int i;
11410 + u32 *srcep, *destp, *destp2;
11411 +
11412 + srcep = (u32 *)hash_entry;
11413 + destp = destp2 = (u32 *)&hash_tables[index][0];
11414 +
11415 + for (i=0; i<(NAT_HASH_ENTRY_SIZE/sizeof(u32)); i++)
11416 + *destp++ = *srcep++;
11417 +
11418 + consistent_sync(destp2, NAT_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE);
11419 + return 0;
11420 +}
11421 +
11422 +/*----------------------------------------------------------------------
11423 +* gre_write_hash_entry
11424 +*----------------------------------------------------------------------*/
11425 +static inline int gre_write_hash_entry(int index, void *hash_entry)
11426 +{
11427 + int i;
11428 + u32 *srcep, *destp, *destp2;
11429 +
11430 + srcep = (u32 *)hash_entry;
11431 + destp = destp2 = (u32 *)&hash_tables[index][0];
11432 +
11433 + for (i=0; i<(GRE_HASH_ENTRY_SIZE/sizeof(u32)); i++)
11434 + *destp++ = *srcep++;
11435 +
11436 + consistent_sync(destp2, GRE_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE);
11437 + return 0;
11438 +}
11439 +
11440 +/*----------------------------------------------------------------------
11441 +* sl351x_nat_find_ipcfg
11442 +* return NULL if not found
11443 +*----------------------------------------------------------------------*/
11444 +static NAT_IP_ENTRY_T *sl351x_nat_find_ipcfg(u32 ipaddr, int port)
11445 +{
11446 + int i;
11447 + NAT_IP_ENTRY_T *ipcfg;
11448 +
11449 + ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port].entry[0];
11450 + for (i=0; i<nat_cfg.ipcfg[port].total; i++, ipcfg++)
11451 + {
11452 + if (ipaddr == ipcfg->ipaddr)
11453 + {
11454 + return ipcfg;
11455 + }
11456 + }
11457 + return NULL;
11458 +}
11459 +
11460 +/*----------------------------------------------------------------------
11461 +* sl351x_nat_assign_qid
11462 +*----------------------------------------------------------------------*/
11463 +static int sl351x_nat_assign_qid(u8 proto, u32 sip, u32 dip, u16 sport, u16 dport)
11464 +{
11465 + int i, total, qid;
11466 + NAT_WRULE_ENTRY_T *entry;
11467 +
11468 + for (qid = 0; qid<CONFIG_NAT_TXQ_NUM; qid++)
11469 + {
11470 + if (qid == nat_cfg.default_hw_txq)
11471 + continue;
11472 +
11473 + entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0];
11474 + total = nat_cfg.wrule[qid].total;
11475 + for (i=0; i<total; i++, entry++)
11476 + {
11477 + if (!entry->protocol || entry->protocol==proto)
11478 + {
11479 + //if (!entry->sip_start && !entry->dip_start && !entry->sport_start && !entry->dport_start)
11480 + // continue; // UI take care
11481 + if (entry->sip_start && !((sip >= entry->sip_start) &&
11482 + (sip <= entry->sip_end)))
11483 + continue;
11484 + if (entry->dip_start && !((dip >= entry->dip_start) &&
11485 + (dip <= entry->dip_end)))
11486 + continue;
11487 + if (entry->sport_start && !((sport >= entry->sport_start) &&
11488 + (sport <= entry->sport_end)))
11489 + continue;
11490 + if (entry->dport_start && !((dport >= entry->dport_start)
11491 + && (dport <= entry->dport_end)))
11492 + continue;
11493 + return qid;
11494 + }
11495 + }
11496 + }
11497 + return nat_cfg.default_hw_txq;
11498 +}
11499 +
11500 +/*----------------------------------------------------------------------
11501 +* sl351x_nat_input
11502 +* Handle NAT input frames
11503 +* Called by SL351x Driver - Handle Default Rx Queue
11504 +* Notes: The caller must make sure that the l3off & l4offset should not be zero.
11505 +* SL351x NAT Frames should meet the following conditions:
11506 +* 1. TCP or UDP frame
11507 +* 2. Cannot be special ALGs ports which TCP/UDP data is updated
11508 +* 3. LAN-IN Frames:
11509 +* Source IP is in the LAN subnet and Destination is not in the LAN subnet
11510 +* 4. WAN-IN Frames
11511 +* Destination IP is in the WAN port IP
11512 +*
11513 +* Example Ports
11514 +* 1. TCP/UDP data is updated
11515 +* (a) FTP Control Packet
11516 +* (b) VoIP Packets
11517 +* (c) etc. (add in future)
11518 +* 2. UDP Low packet rate, not worth
11519 +* (b) TFTP Destination Port is 69
11520 +* (b) DNS 53
11521 +* (c) NTP 123
11522 +* (d) etc. (add in future)
11523 +*----------------------------------------------------------------------*/
11524 +void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off)
11525 +{
11526 + int i, found;
11527 + u32 sip, dip;
11528 + u16 sport, dport;
11529 + struct ethhdr *ether_hdr;
11530 + struct iphdr *ip_hdr;
11531 + struct tcphdr *tcp_hdr;
11532 + struct pppoe_hdr *pppoe_hdr;
11533 + NAT_CB_T *nat_cb;
11534 + u8 proto, pppoe_frame=0;
11535 + NAT_CFG_T *cfg;
11536 + u16 ppp_proto;
11537 + NAT_IP_ENTRY_T *ipcfg;
11538 + NAT_XPORT_ENTRY_T *xentry;
11539 + GRE_PKTHDR_T *gre_hdr;
11540 +#ifdef CONFIG_SL351x_NAT_TCP_UDP
11541 + u16 *port_ptr;
11542 +#endif
11543 +
11544 + cfg = (NAT_CFG_T *)&nat_cfg;
11545 + if (!cfg->enabled || !cfg->ipcfg[port].total)
11546 + return;
11547 +
11548 + ip_hdr = (struct iphdr *)&(skb->data[(u32)l3off]);
11549 + proto = ip_hdr->protocol;
11550 +
11551 + tcp_hdr = (struct tcphdr *)&(skb->data[(u32)l4off]);
11552 + gre_hdr = (GRE_PKTHDR_T *)tcp_hdr;
11553 + sport = ntohs(tcp_hdr->source);
11554 + dport = ntohs(tcp_hdr->dest);
11555 +
11556 + sip = ntohl(ip_hdr->saddr);
11557 + dip = ntohl(ip_hdr->daddr);
11558 +
11559 + if (dip == IPIV(255,255,255,255))
11560 + return;
11561 +
11562 + if (port == cfg->lan_port)
11563 + {
11564 + ipcfg = (NAT_IP_ENTRY_T *)&cfg->ipcfg[port].entry[0];
11565 + for (i=0, found=0; i<cfg->ipcfg[port].total; i++, ipcfg++)
11566 + {
11567 + u32 subnet = ipcfg->ipaddr & ipcfg->netmask;
11568 + if (((sip & ipcfg->netmask) == subnet) &&
11569 + ((dip & ipcfg->netmask) != subnet))
11570 + {
11571 + found = 1;
11572 + break;
11573 + }
11574 + }
11575 + if (!found)
11576 + return;
11577 + }
11578 + else
11579 + {
11580 +#ifndef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address
11581 + if (!sl351x_nat_find_ipcfg(dip, port))
11582 + {
11583 + printk("WAN->LAN Incorrect Dip %d.%d.%d.%d\n", HIPQUAD(dip));
11584 + return;
11585 + }
11586 +#endif
11587 + ether_hdr = (struct ethhdr *)skb->data;
11588 + pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
11589 + ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
11590 + if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864
11591 + && ppp_proto == __constant_htons(PPP_IP) ) // 0x21
11592 + {
11593 + pppoe_frame = 1;
11594 + }
11595 + }
11596 +
11597 +#ifdef CONFIG_SL351x_NAT_TCP_UDP
11598 + if (proto == IPPROTO_TCP)
11599 + {
11600 +#ifdef NAT_DEBUG_MSG
11601 + nat_printf("From GMAC-%d: 0x%-4X TCP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
11602 + port, ntohs(ip_hdr->id),
11603 + NIPQUAD(ip_hdr->saddr), sport,
11604 + NIPQUAD(ip_hdr->daddr), dport);
11605 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN");
11606 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN");
11607 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST");
11608 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK");
11609 + nat_printf("\n");
11610 +#endif
11611 + // if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST))
11612 + if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN))
11613 + {
11614 + return;
11615 + }
11616 + port_ptr = fixed_tcp_port_list;
11617 + for (i=0; *port_ptr; i++, port_ptr++)
11618 + {
11619 + if (sport == *port_ptr || dport == *port_ptr)
11620 + return;
11621 + }
11622 +#ifdef _HAVE_DYNAMIC_PORT_LIST
11623 + port_ptr = dynamic_tcp_port_list;
11624 + for (i=0; *port_ptr; i++, port_ptr++)
11625 + {
11626 + if (sport == *port_ptr || dport == *port_ptr)
11627 + return;
11628 + }
11629 +#endif
11630 + }
11631 + else if (proto == IPPROTO_UDP)
11632 + {
11633 +#ifdef NAT_DEBUG_MSG
11634 + nat_printf("From GMAC-%d: 0x%-4X UDP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
11635 + port, ntohs(ip_hdr->id),
11636 + NIPQUAD(ip_hdr->saddr), sport,
11637 + NIPQUAD(ip_hdr->daddr), dport);
11638 + nat_printf("\n");
11639 +#endif
11640 + port_ptr = fixed_udp_port_list;
11641 + for (i=0; *port_ptr; i++, port_ptr++)
11642 + {
11643 + if (sport == *port_ptr || dport == *port_ptr)
11644 + return;
11645 + }
11646 +#ifdef _HAVE_DYNAMIC_PORT_LIST
11647 + port_ptr = dynamic_udp_port_list;
11648 + for (i=0; *port_ptr; i++, port_ptr++)
11649 + {
11650 + if (sport == *port_ptr || dport == *port_ptr)
11651 + return;
11652 + }
11653 +#endif
11654 + }
11655 + else
11656 +#endif // CONFIG_SL351x_NAT_TCP_UDP
11657 +#ifdef CONFIG_SL351x_NAT_GRE
11658 + if (proto == IPPROTO_GRE)
11659 + {
11660 + if (gre_hdr->protocol != GRE_PROTOCOL_SWAP)
11661 + return;
11662 +#ifdef NAT_DEBUG_MSG
11663 + nat_printf("From GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d",
11664 + port, ntohs(ip_hdr->id),
11665 + NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id),
11666 + NIPQUAD(ip_hdr->daddr));
11667 + nat_printf("\n");
11668 +#endif
11669 + }
11670 + else
11671 +#endif
11672 + return;
11673 +
11674 +
11675 + // check xport list
11676 + xentry = (NAT_XPORT_ENTRY_T *)&cfg->xport.entry[0];
11677 + for (i=0; i<cfg->xport.total; i++, xentry++)
11678 + {
11679 + if (!xentry->protocol || xentry->protocol == proto)
11680 + {
11681 + //if (!xentry->sport_start && !xentry->dport_start) // UI take care
11682 + // continue;
11683 + if (xentry->sport_start && !((sport >= xentry->sport_start) &&
11684 + (sport <= xentry->sport_end)))
11685 + continue;
11686 + if (xentry->dport_start && !((dport >= xentry->dport_start)
11687 + && (dport <= xentry->dport_end)))
11688 + continue;
11689 + return;
11690 + }
11691 + }
11692 +
11693 + nat_cb = NAT_SKB_CB(skb);
11694 + if (((u32)nat_cb & 3))
11695 + {
11696 + nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__);
11697 + return;
11698 + }
11699 + nat_cb->tag = NAT_CB_TAG;
11700 + memcpy(nat_cb->sa, skb->data+6, 6);
11701 + nat_cb->sip = ip_hdr->saddr;
11702 + nat_cb->dip = ip_hdr->daddr;
11703 + if (proto == IPPROTO_GRE)
11704 + {
11705 + nat_cb->sport = gre_hdr->protocol;
11706 + nat_cb->dport = gre_hdr->call_id;
11707 + }
11708 + else
11709 + {
11710 + nat_cb->sport = tcp_hdr->source;
11711 + nat_cb->dport = tcp_hdr->dest;
11712 + }
11713 + nat_cb->pppoe_frame = pppoe_frame;
11714 +}
11715 +
11716 +/*----------------------------------------------------------------------
11717 +* sl351x_nat_output
11718 +* Handle NAT output frames
11719 +* Called by SL351x Driver - Transmit
11720 +*
11721 +* 1. If not SL351x NAT frames, return FALSE
11722 +* 2. LAN-to-WAN frames
11723 +* (1) Sip must be WAN IP
11724 +* 3. If TCP SY/RST/FIN frame, return
11725 +* 4. Build the hash key and get the hash index
11726 +* 5. If V-Bit is ON, return.
11727 +* 6. Write hash entry and validate it
11728 +*
11729 +*----------------------------------------------------------------------*/
11730 +int sl351x_nat_output(struct sk_buff *skb, int port)
11731 +{
11732 + struct iphdr *ip_hdr;
11733 + u8 proto;
11734 + NAT_CB_T *nat_cb;
11735 +
11736 + nat_cb = NAT_SKB_CB(skb);
11737 + if (nat_cb->tag != NAT_CB_TAG)
11738 + return 0;
11739 +
11740 + if (((u32)nat_cb & 3))
11741 + {
11742 + nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__);
11743 + return 0;
11744 + }
11745 + ip_hdr = (struct iphdr *)skb->h.ipiph;
11746 + proto = ip_hdr->protocol;
11747 +
11748 + switch (proto)
11749 + {
11750 + case IPPROTO_TCP:
11751 + case IPPROTO_UDP:
11752 + return sl351x_nat_tcp_udp_output(skb, port);
11753 + case IPPROTO_GRE:
11754 + return sl351x_nat_gre_output(skb, port);
11755 + }
11756 + return 0;
11757 +}
11758 +
11759 +/*----------------------------------------------------------------------
11760 +* sl351x_nat_tcp_udp_output
11761 +* Handle NAT TCP/UDP output frames
11762 +*----------------------------------------------------------------------*/
11763 +int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port)
11764 +{
11765 + u32 sip, dip;
11766 + struct ethhdr *ether_hdr;
11767 + struct iphdr *ip_hdr;
11768 + struct tcphdr *tcp_hdr;
11769 + struct pppoe_hdr *pppoe_hdr;
11770 + NAT_CB_T *nat_cb;
11771 + NAT_CFG_T *cfg;
11772 + u8 proto;
11773 + u16 sport, dport, ppp_proto;
11774 + u32 hash_data[HASH_MAX_DWORDS];
11775 + NAT_HASH_ENTRY_T *hash_entry;
11776 + int hash_index;
11777 + struct ip_conntrack *nat_ip_conntrack;
11778 + enum ip_conntrack_info ctinfo;
11779 +
11780 + nat_cb = NAT_SKB_CB(skb);
11781 + cfg = (NAT_CFG_T *)&nat_cfg;
11782 +
11783 + ether_hdr = (struct ethhdr *)skb->data;
11784 + ip_hdr = (struct iphdr *)skb->h.ipiph;
11785 + tcp_hdr = (struct tcphdr *)((u32)ip_hdr + (ip_hdr->ihl<<2));
11786 + sip = ntohl(ip_hdr->saddr);
11787 + dip = ntohl(ip_hdr->daddr);
11788 + proto = ip_hdr->protocol;
11789 + sport = ntohs(tcp_hdr->source);
11790 + dport = ntohs(tcp_hdr->dest);
11791 +
11792 +#ifdef NAT_DEBUG_MSG
11793 + {
11794 + nat_printf("To GMAC-%d: 0x%-4X [%d] %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
11795 + port, ntohs(ip_hdr->id), proto,
11796 + NIPQUAD(ip_hdr->saddr), sport,
11797 + NIPQUAD(ip_hdr->daddr), dport);
11798 + if (proto == IPPROTO_TCP)
11799 + {
11800 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN");
11801 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN");
11802 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST");
11803 + if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK");
11804 + }
11805 + nat_printf("\n");
11806 + }
11807 +#endif
11808 + nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo);
11809 + if (!nat_ip_conntrack)
11810 + {
11811 + nat_printf("IP conntrack info is not found!\n");
11812 + return 0;
11813 + }
11814 + // nat_printf("nat_ip_conntrack = 0x%x, status=0x%lx, ctinfo=%d\n", (u32)nat_ip_conntrack, nat_ip_conntrack->status, ctinfo);
11815 + // if (nat_ip_conntrack->master || nat_ip_conntrack->helper)
11816 + if (nat_ip_conntrack->helper)
11817 + {
11818 + nat_printf("Sport=%d Dport=%d master=0x%x, helper=0x%x\n", sport, dport, (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper);
11819 + return 0;
11820 + }
11821 +
11822 + //if (proto == IPPROTO_TCP && !(nat_ip_conntrack->status & IPS_ASSURED))
11823 + // return 0;
11824 +
11825 +#ifdef NAT_DEBUG_MSG
11826 + nat_printf("nat_ip_conntrack=0x%x, nat_cb->state=%d\n", (u32)nat_ip_conntrack, nat_cb->state);
11827 + nat_printf("lan2wan_hash_index=%d, wan2lan_hash_index=%d\n", nat_ip_conntrack->lan2wan_hash_index, nat_ip_conntrack->wan2lan_hash_index);
11828 + nat_printf("lan2wan_collision=%d, wan2lan_collision=%d\n", nat_ip_conntrack->lan2wan_collision, nat_ip_conntrack->wan2lan_collision);
11829 +#endif
11830 + if (proto == IPPROTO_TCP)
11831 + {
11832 + if (nat_cb->state >= TCP_CONNTRACK_FIN_WAIT && nat_cb->state <= TCP_CONNTRACK_CLOSE)
11833 + {
11834 + if (nat_ip_conntrack->lan2wan_hash_index)
11835 + {
11836 +#ifdef NAT_DEBUG_MSG
11837 + nat_printf("Invalidate LAN->WAN hash entry %d\n", nat_ip_conntrack->lan2wan_hash_index - 1);
11838 +#endif
11839 + hash_nat_disable_owner(nat_ip_conntrack->lan2wan_hash_index - 1);
11840 + hash_invalidate_entry(nat_ip_conntrack->lan2wan_hash_index - 1);
11841 + nat_ip_conntrack->lan2wan_hash_index = 0;
11842 + }
11843 + if (nat_ip_conntrack->wan2lan_hash_index)
11844 + {
11845 +#ifdef NAT_DEBUG_MSG
11846 + nat_printf("Invalidate WAN->LAN hash entry %d\n", nat_ip_conntrack->wan2lan_hash_index - 1);
11847 +#endif
11848 + hash_nat_disable_owner(nat_ip_conntrack->wan2lan_hash_index - 1);
11849 + hash_invalidate_entry(nat_ip_conntrack->wan2lan_hash_index - 1);
11850 + nat_ip_conntrack->wan2lan_hash_index = 0;
11851 + }
11852 + return 0;
11853 +
11854 + }
11855 + else if (nat_cb->state != TCP_CONNTRACK_ESTABLISHED)
11856 + {
11857 + return 0;
11858 + }
11859 + }
11860 + if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST)))
11861 + // if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN)))
11862 + return 0;
11863 +
11864 + hash_entry = (NAT_HASH_ENTRY_T *)&hash_data;
11865 + if (port == cfg->wan_port) // LAN-to-WAN
11866 + {
11867 + if (nat_ip_conntrack->lan2wan_hash_index || nat_ip_conntrack->lan2wan_collision)
11868 + return 0;
11869 +#ifndef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address
11870 + if (!sl351x_nat_find_ipcfg(sip, port))
11871 + {
11872 + printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip));
11873 + return 0;
11874 + }
11875 +#endif
11876 + // Note: unused fields (including rule_id) MUST be zero
11877 + hash_entry->key.Ethertype = 0;
11878 + hash_entry->key.port_id = cfg->lan_port;
11879 + hash_entry->key.rule_id = 0;
11880 + hash_entry->key.ip_protocol = proto;
11881 + hash_entry->key.reserved1 = 0;
11882 + hash_entry->key.reserved2 = 0;
11883 + hash_entry->key.sip = ntohl(nat_cb->sip);
11884 + hash_entry->key.dip = ntohl(nat_cb->dip);
11885 + hash_entry->key.sport = nat_cb->sport;
11886 + hash_entry->key.dport = nat_cb->dport;
11887 +
11888 + hash_index = nat_build_keys(&hash_entry->key);
11889 +
11890 +#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT
11891 + if (hash_get_nat_owner_flag(hash_index))
11892 + return 0;
11893 +#endif
11894 + if (hash_get_valid_flag(hash_index))
11895 + {
11896 + nat_ip_conntrack->lan2wan_collision = 1;
11897 + nat_collision++;
11898 +#if 0
11899 + if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST)))
11900 + {
11901 + if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0)
11902 + {
11903 + hash_nat_disable_owner(hash_index);
11904 + hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW
11905 + // nat_printf("Invalidate nat hash entry %d\n", hash_index);
11906 + }
11907 + }
11908 +#endif
11909 + return 0;
11910 + }
11911 +
11912 + // write hash entry
11913 + hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
11914 + memcpy(hash_entry->param.da, skb->data, 6);
11915 + memcpy(hash_entry->param.sa, skb->data+6, 6);
11916 + hash_entry->param.Sip = sip;
11917 + hash_entry->param.Dip = dip;
11918 + hash_entry->param.Sport = sport;
11919 + hash_entry->param.Dport = dport;
11920 + hash_entry->param.vlan = 0;
11921 + hash_entry->param.sw_id = 0;
11922 + hash_entry->param.mtu = 0;
11923 + // check PPPoE
11924 + pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
11925 + ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
11926 + if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864
11927 + && ppp_proto == __constant_htons(PPP_IP) ) // 0x21
11928 + {
11929 + hash_entry->action.dword = NAT_PPPOE_LAN2WAN_ACTIONS;
11930 + hash_entry->param.pppoe = htons(pppoe_hdr->sid);
11931 + }
11932 + else
11933 + {
11934 + hash_entry->action.dword = NAT_LAN2WAN_ACTIONS;
11935 + hash_entry->param.pppoe = 0;
11936 + }
11937 + hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport);
11938 + hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
11939 + hash_entry->tmo.counter = hash_entry->tmo.interval =
11940 + (proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval;
11941 + nat_write_hash_entry(hash_index, hash_entry);
11942 + // nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index);
11943 + // hash_dump_entry(hash_index);
11944 + hash_nat_enable_owner(hash_index);
11945 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
11946 + nat_ip_conntrack->lan2wan_hash_index = hash_index + 1;
11947 + nat_ip_conntrack->hw_nat |= 1;
11948 + return 0;
11949 + }
11950 + else // WAN-to-LAN
11951 + {
11952 + if (nat_ip_conntrack->wan2lan_hash_index || nat_ip_conntrack->wan2lan_collision)
11953 + return 0;
11954 +
11955 + // Note: unused fields (including rule_id) MUST be zero
11956 + hash_entry->key.Ethertype = 0;
11957 + hash_entry->key.port_id = cfg->wan_port;
11958 + hash_entry->key.rule_id = 0;
11959 + hash_entry->key.ip_protocol = proto;
11960 + hash_entry->key.reserved1 = 0;
11961 + hash_entry->key.reserved2 = 0;
11962 + hash_entry->key.sip = ntohl(nat_cb->sip);
11963 + hash_entry->key.dip = ntohl(nat_cb->dip);
11964 + hash_entry->key.sport = nat_cb->sport;
11965 + hash_entry->key.dport = nat_cb->dport;
11966 +
11967 + hash_index = nat_build_keys(&hash_entry->key);
11968 +
11969 +#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT
11970 + if (hash_get_nat_owner_flag(hash_index))
11971 + return 0;
11972 +#endif
11973 + if (hash_get_valid_flag(hash_index))
11974 + {
11975 + nat_ip_conntrack->wan2lan_collision = 1;
11976 + nat_collision++;
11977 +#if 0
11978 + if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST)))
11979 + {
11980 + if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0)
11981 + {
11982 + hash_nat_disable_owner(hash_index);
11983 + hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW
11984 + // nat_printf("Invalidate nat hash entry %d\n", hash_index);
11985 + }
11986 + }
11987 +#endif
11988 + return 0;
11989 + }
11990 +
11991 + // write hash entry
11992 + hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
11993 + memcpy(hash_entry->param.da, skb->data, 6);
11994 + memcpy(hash_entry->param.sa, skb->data+6, 6);
11995 + hash_entry->param.Sip = sip;
11996 + hash_entry->param.Dip = dip;
11997 + hash_entry->param.Sport = sport;
11998 + hash_entry->param.Dport = dport;
11999 + hash_entry->param.vlan = 0;
12000 + hash_entry->param.pppoe = 0;
12001 + hash_entry->param.sw_id = 0;
12002 + hash_entry->param.mtu = 0;
12003 + hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_WAN2LAN_ACTIONS : NAT_WAN2LAN_ACTIONS;
12004 + hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport);
12005 + hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;;
12006 + hash_entry->tmo.counter = hash_entry->tmo.interval =
12007 + (proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval;
12008 + nat_write_hash_entry(hash_index, hash_entry);
12009 +
12010 + // nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index);
12011 + // hash_dump_entry(hash_index);
12012 + hash_nat_enable_owner(hash_index);
12013 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW
12014 + nat_ip_conntrack->wan2lan_hash_index = hash_index + 1;
12015 + nat_ip_conntrack->hw_nat |= 2;
12016 + return 0;
12017 + }
12018 + return 0;
12019 +}
12020 +
12021 +/*----------------------------------------------------------------------
12022 +* sl351x_nat_gre_output
12023 +* Handle NAT GRE output frames
12024 +*----------------------------------------------------------------------*/
12025 +int sl351x_nat_gre_output(struct sk_buff *skb, int port)
12026 +{
12027 + u32 sip, dip;
12028 + struct ethhdr *ether_hdr;
12029 + struct iphdr *ip_hdr;
12030 + struct pppoe_hdr *pppoe_hdr;
12031 + GRE_PKTHDR_T *gre_hdr;
12032 + NAT_CB_T *nat_cb;
12033 + NAT_CFG_T *cfg;
12034 + u16 ppp_proto;
12035 + u32 hash_data[HASH_MAX_DWORDS];
12036 + GRE_HASH_ENTRY_T *hash_entry;
12037 + int hash_index;
12038 + struct ip_conntrack *nat_ip_conntrack;
12039 + enum ip_conntrack_info ctinfo;
12040 +
12041 + nat_cb = NAT_SKB_CB(skb);
12042 + cfg = (NAT_CFG_T *)&nat_cfg;
12043 +
12044 + ether_hdr = (struct ethhdr *)skb->data;
12045 + ip_hdr = (struct iphdr *)skb->h.ipiph;
12046 + gre_hdr = (GRE_PKTHDR_T *)((u32)ip_hdr + (ip_hdr->ihl<<2));
12047 + sip = ntohl(ip_hdr->saddr);
12048 + dip = ntohl(ip_hdr->daddr);
12049 +
12050 +#ifdef NAT_DEBUG_MSG
12051 + {
12052 + nat_printf("To GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d",
12053 + port, ntohs(ip_hdr->id),
12054 + NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id),
12055 + NIPQUAD(ip_hdr->daddr));
12056 + nat_printf("\n");
12057 + }
12058 +#endif
12059 + nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo);
12060 + if (nat_ip_conntrack)
12061 + {
12062 + // if (nat_ip_conntrack->master || nat_ip_conntrack->helper)
12063 + if (nat_ip_conntrack->helper)
12064 + {
12065 + nat_printf("GRE Call-ID=%d, master=0x%x, helper=0x%x\n", ntohs(gre_hdr->call_id), (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper);
12066 + return 0;
12067 + }
12068 + if (!(nat_ip_conntrack->status & IPS_ASSURED))
12069 + return 0;
12070 + }
12071 +
12072 + hash_entry = (GRE_HASH_ENTRY_T *)&hash_data;
12073 + if (port == cfg->wan_port) // LAN-to-WAN
12074 + {
12075 +#ifdef _NOT_CHECK_SIP_DIP // enable it if know and get the wan ip address
12076 + if (!sl351x_nat_find_ipcfg(sip, port))
12077 + {
12078 + printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip));
12079 + return 0;
12080 + }
12081 +#endif
12082 + // Note: unused fields (including rule_id) MUST be zero
12083 + hash_entry->key.Ethertype = 0;
12084 + hash_entry->key.port_id = cfg->lan_port;
12085 + hash_entry->key.rule_id = 0;
12086 + hash_entry->key.ip_protocol = IPPROTO_GRE;
12087 + hash_entry->key.reserved1 = 0;
12088 + hash_entry->key.reserved2 = 0;
12089 + hash_entry->key.reserved3 = 0;
12090 + hash_entry->key.reserved4 = 0;
12091 + hash_entry->key.sip = ntohl(nat_cb->sip);
12092 + hash_entry->key.dip = ntohl(nat_cb->dip);
12093 + hash_entry->key.protocol = nat_cb->sport;
12094 + hash_entry->key.call_id = nat_cb->dport;
12095 +
12096 + hash_index = gre_build_keys(&hash_entry->key);
12097 +
12098 +#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT
12099 + if (hash_get_nat_owner_flag(hash_index))
12100 + return 0;
12101 +#endif
12102 + if (hash_get_valid_flag(hash_index))
12103 + {
12104 + return 0;
12105 + }
12106 +
12107 + // write hash entry
12108 + hash_entry->key.rule_id = cfg->gre_rule_id;
12109 + memcpy(hash_entry->param.da, skb->data, 6);
12110 + memcpy(hash_entry->param.sa, skb->data+6, 6);
12111 + hash_entry->param.Sip = sip;
12112 + hash_entry->param.Dip = dip;
12113 + hash_entry->param.Sport = 0;
12114 + hash_entry->param.Dport = ntohs(gre_hdr->call_id);
12115 + hash_entry->param.vlan = 0;
12116 + hash_entry->param.sw_id = 0;
12117 + hash_entry->param.mtu = 0;
12118 + // check PPPoE
12119 + pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
12120 + ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
12121 + if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES) // 0x8864
12122 + && ppp_proto == __constant_htons(PPP_IP) ) // 0x21
12123 + {
12124 + hash_entry->action.dword = NAT_PPPOE_PPTP_LAN2WAN_ACTIONS;
12125 + hash_entry->param.pppoe = htons(pppoe_hdr->sid);
12126 + }
12127 + else
12128 + {
12129 + hash_entry->action.dword = NAT_PPTP_LAN2WAN_ACTIONS;
12130 + hash_entry->param.pppoe = 0;
12131 + }
12132 + hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id));
12133 + hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
12134 + hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval;
12135 + gre_write_hash_entry(hash_index, hash_entry);
12136 + // nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index);
12137 + // hash_dump_entry(hash_index);
12138 + hash_nat_enable_owner(hash_index);
12139 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
12140 + return 0;
12141 + }
12142 + else // WAN-to-LAN
12143 + {
12144 + // Note: unused fields (including rule_id) MUST be zero
12145 + hash_entry->key.Ethertype = 0;
12146 + hash_entry->key.port_id = cfg->wan_port;
12147 + hash_entry->key.rule_id = 0;
12148 + hash_entry->key.ip_protocol = IPPROTO_GRE;
12149 + hash_entry->key.reserved1 = 0;
12150 + hash_entry->key.reserved2 = 0;
12151 + hash_entry->key.reserved3 = 0;
12152 + hash_entry->key.reserved4 = 0;
12153 + hash_entry->key.sip = ntohl(nat_cb->sip);
12154 + hash_entry->key.dip = ntohl(nat_cb->dip);
12155 + hash_entry->key.protocol = nat_cb->sport;
12156 + hash_entry->key.call_id = nat_cb->dport;
12157 +
12158 + hash_index = gre_build_keys(&hash_entry->key);
12159 +
12160 +#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT
12161 + if (hash_get_nat_owner_flag(hash_index))
12162 + return 0;
12163 +#endif
12164 + if (hash_get_valid_flag(hash_index))
12165 + {
12166 + return 0;
12167 + }
12168 +
12169 + // write hash entry
12170 + hash_entry->key.rule_id = cfg->gre_rule_id;
12171 + memcpy(hash_entry->param.da, skb->data, 6);
12172 + memcpy(hash_entry->param.sa, skb->data+6, 6);
12173 + hash_entry->param.Sip = sip;
12174 + hash_entry->param.Dip = dip;
12175 + hash_entry->param.Sport = 0;
12176 + hash_entry->param.Dport = ntohs(gre_hdr->call_id);
12177 + hash_entry->param.vlan = 0;
12178 + hash_entry->param.pppoe = 0;
12179 + hash_entry->param.sw_id = 0;
12180 + hash_entry->param.mtu = 0;
12181 + hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_PPTP_WAN2LAN_ACTIONS : NAT_PPTP_WAN2LAN_ACTIONS;
12182 + hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id));
12183 + hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;;
12184 + hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval;
12185 + gre_write_hash_entry(hash_index, hash_entry);
12186 +
12187 + // nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index);
12188 + // hash_dump_entry(hash_index);
12189 + hash_nat_enable_owner(hash_index);
12190 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW
12191 + return 0;
12192 + }
12193 + return 0;
12194 +}
12195 +
12196 +
12197 +#ifdef _HAVE_DYNAMIC_PORT_LIST
12198 +/*----------------------------------------------------------------------
12199 +* sl_nat_add_port
12200 +*----------------------------------------------------------------------*/
12201 +void sl_nat_add_port(u8 protocol, u16 port)
12202 +{
12203 + int i;
12204 + u16 *port_ptr;
12205 +
12206 + if (protocol == IPPROTO_TCP)
12207 + port_ptr = dynamic_tcp_port_list;
12208 + else if (protocol == IPPROTO_UDP)
12209 + port_ptr = dynamic_udp_port_list;
12210 + else
12211 + return;
12212 +
12213 + for (i=0; *port_ptr; i++)
12214 + {
12215 + if (port == *port_ptr)
12216 + return;
12217 + port_ptr++;
12218 + }
12219 + port_ptr++;
12220 + *port_ptr = port;
12221 +}
12222 +
12223 +/*----------------------------------------------------------------------
12224 +* sl_nat_remove_port
12225 +*----------------------------------------------------------------------*/
12226 +void sl_nat_remove_port(u8 protocol, u16 port)
12227 +{
12228 + int i, j;
12229 + u16 *port_ptr, *next;
12230 +
12231 + if (protocol == IPPROTO_TCP)
12232 + port_ptr = dynamic_tcp_port_list;
12233 + else if (protocol == IPPROTO_UDP)
12234 + port_ptr = dynamic_udp_port_list;
12235 + else
12236 + return;
12237 +
12238 + for (i=0; *port_ptr; i++, port_ptr++)
12239 + {
12240 + if (port == *port_ptr)
12241 + {
12242 + port_next = port_ptr + 1;
12243 + for (j=i+1; *port_next; i++, j++)
12244 + *port_ptr++ = *port_next++;
12245 + *port_ptr = 0;
12246 + return;
12247 + }
12248 + }
12249 +}
12250 +#endif
12251 +
12252 +/*----------------------------------------------------------------------
12253 +* sl351x_nat_ioctl
12254 +*----------------------------------------------------------------------*/
12255 +int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
12256 +{
12257 + GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
12258 + int i, j, port_id;
12259 + NATCMD_HDR_T nat_hdr;
12260 + NAT_REQ_E ctrl;
12261 + unsigned char *req_datap;
12262 + NAT_IP_ENTRY_T *ipcfg;
12263 + NAT_XPORT_ENTRY_T *xport_entry;
12264 + NAT_WRULE_ENTRY_T *wrule_entry;
12265 + unsigned int qid;
12266 +
12267 + if (copy_from_user((void *)&nat_hdr, rq->ifr_data, sizeof(nat_hdr)))
12268 + return -EFAULT;
12269 + req_datap = (unsigned char *)rq->ifr_data + sizeof(nat_hdr);
12270 + port_id = tp->port_id;
12271 + switch (nat_hdr.cmd) {
12272 + case NATSSTATUS:
12273 + if (!capable(CAP_NET_ADMIN))
12274 + return -EPERM;
12275 + if (nat_hdr.len != sizeof(NAT_STATUS_T))
12276 + return -EPERM;
12277 + if (copy_from_user((void *)&ctrl.status, req_datap, sizeof(ctrl.status)))
12278 + return -EFAULT;
12279 + if (ctrl.status.enable != 0 && ctrl.status.enable != 1)
12280 + return -EPERM;
12281 + // sl351x_nat_set_enabled_flag(ctrl.status.enable);
12282 + if (nat_cfg.enabled && (ctrl.status.enable == 0))
12283 + {
12284 + for (i=0; i<HASH_TOTAL_ENTRIES; i++)
12285 + {
12286 + if (hash_get_nat_owner_flag(i))
12287 + {
12288 + hash_nat_disable_owner(i);
12289 + hash_invalidate_entry(i);
12290 + }
12291 + }
12292 + }
12293 + nat_cfg.enabled = ctrl.status.enable;
12294 + break;
12295 + case NATGSTATUS:
12296 + if (nat_hdr.len != sizeof(NAT_STATUS_T))
12297 + return -EPERM;
12298 + ctrl.status.enable = nat_cfg.enabled;
12299 + if (copy_to_user(req_datap, (void *)&ctrl.status, sizeof(ctrl.status)))
12300 + return -EFAULT;
12301 + break;
12302 + case NATSETPORT:
12303 + if (!capable(CAP_NET_ADMIN))
12304 + return -EPERM;
12305 + if (nat_hdr.len != sizeof(NAT_PORTCFG_T))
12306 + return -EPERM;
12307 + if (copy_from_user((void *)&ctrl.portcfg, req_datap, sizeof(ctrl.portcfg)))
12308 + return -EFAULT;
12309 + if (ctrl.portcfg.portmap == 0)
12310 + nat_cfg.lan_port = port_id;
12311 + else if (ctrl.portcfg.portmap == 1)
12312 + nat_cfg.wan_port = port_id;
12313 + else
12314 + return -EPERM;
12315 + break;
12316 + case NATGETPORT:
12317 + if (nat_hdr.len != sizeof(NAT_PORTCFG_T))
12318 + return -EPERM;
12319 + if (nat_cfg.lan_port == port_id)
12320 + ctrl.portcfg.portmap = 0;
12321 + else if (nat_cfg.wan_port == port_id)
12322 + ctrl.portcfg.portmap = 1;
12323 + else
12324 + return -EPERM;
12325 + if (copy_to_user(req_datap, (void *)&ctrl.portcfg, sizeof(ctrl.portcfg)))
12326 + return -EFAULT;
12327 + break;
12328 + case NATADDIP:
12329 + if (!capable(CAP_NET_ADMIN))
12330 + return -EPERM;
12331 + if (nat_hdr.len != sizeof(NAT_IPCFG_T))
12332 + return -EPERM;
12333 + i = nat_cfg.ipcfg[port_id].total;
12334 + if (i >= CONFIG_NAT_MAX_IP_NUM)
12335 + return -E2BIG;
12336 + if (copy_from_user((void *)&nat_cfg.ipcfg[port_id].entry[i], req_datap, sizeof(NAT_IPCFG_T)))
12337 + return -EFAULT;
12338 + nat_cfg.ipcfg[port_id].total++;
12339 + break;
12340 + case NATDELIP:
12341 + if (!capable(CAP_NET_ADMIN))
12342 + return -EPERM;
12343 + if (nat_hdr.len != sizeof(NAT_IPCFG_T))
12344 + return -EPERM;
12345 + if (copy_from_user((void *)&ctrl.ipcfg, req_datap, sizeof(ctrl.ipcfg)))
12346 + return -EFAULT;
12347 + ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port_id].entry[0];
12348 + for (i=0; i<nat_cfg.ipcfg[port_id].total; i++, ipcfg++)
12349 + {
12350 + if (ipcfg->ipaddr == ctrl.ipcfg.entry.ipaddr)
12351 + {
12352 + NAT_IP_ENTRY_T *ipcfg_next;
12353 + ipcfg_next = ipcfg + 1;
12354 + for (j=i+1; j < nat_cfg.ipcfg[port_id].total; i++, j++)
12355 + {
12356 + memcpy((void *)ipcfg, (void *)ipcfg_next, sizeof(NAT_IP_ENTRY_T));
12357 + ipcfg++;
12358 + ipcfg_next++;
12359 + }
12360 + ipcfg->ipaddr = 0;
12361 + ipcfg->netmask = 0;
12362 + nat_cfg.ipcfg[port_id].total--;
12363 + return 0;
12364 + }
12365 + }
12366 + return -ENOENT;
12367 + case NATGETIP:
12368 + if (nat_hdr.len != sizeof(NAT_IPCFG_ALL_T))
12369 + return -EPERM;
12370 + if (copy_to_user(req_datap, (void *)&nat_cfg.ipcfg[port_id], sizeof(NAT_IPCFG_ALL_T)))
12371 + return -EFAULT;
12372 + break;
12373 + case NATAXPORT:
12374 + if (!capable(CAP_NET_ADMIN))
12375 + return -EPERM;
12376 + if (nat_hdr.len != sizeof(NAT_XPORT_T))
12377 + return -EPERM;
12378 + i = nat_cfg.xport.total;
12379 + if (i >= CONFIG_NAT_MAX_XPORT)
12380 + return -E2BIG;
12381 + if (copy_from_user((void *)&nat_cfg.xport.entry[i], req_datap, sizeof(NAT_XPORT_T)))
12382 + return -EFAULT;
12383 + nat_cfg.xport.total++;
12384 + break;
12385 + case NATDXPORT:
12386 + if (!capable(CAP_NET_ADMIN))
12387 + return -EPERM;
12388 + if (nat_hdr.len != sizeof(NAT_XPORT_T))
12389 + return -EPERM;
12390 + if (copy_from_user((void *)&ctrl.xport, req_datap, sizeof(NAT_XPORT_T)))
12391 + return -EFAULT;
12392 + xport_entry = (NAT_XPORT_ENTRY_T *)&nat_cfg.xport.entry[0];
12393 + for (i=0; i<nat_cfg.xport.total; i++, xport_entry++)
12394 + {
12395 + if (memcmp((void *)xport_entry, (void *)&ctrl.xport, sizeof(NAT_XPORT_ENTRY_T)) == 0)
12396 + {
12397 + NAT_XPORT_ENTRY_T *xport_next;
12398 + xport_next = xport_entry + 1;
12399 + for (j=i+1; j < nat_cfg.xport.total; i++, j++)
12400 + {
12401 + memcpy((void *)xport_entry, (void *)xport_next, sizeof(NAT_XPORT_ENTRY_T));
12402 + xport_entry++;
12403 + xport_next++;
12404 + }
12405 + memset((void *)xport_entry, 0, sizeof(NAT_XPORT_ENTRY_T));
12406 + nat_cfg.xport.total--;
12407 + return 0;
12408 + }
12409 + }
12410 + return -ENOENT;
12411 + case NATGXPORT:
12412 + if (nat_hdr.len != sizeof(NAT_XPORT_ALL_T))
12413 + return -EPERM;
12414 + if (copy_to_user(req_datap, (void *)&nat_cfg.xport, sizeof(NAT_XPORT_ALL_T)))
12415 + return -EFAULT;
12416 + break;
12417 + case NATSWEIGHT:
12418 + if (!capable(CAP_NET_ADMIN))
12419 + return -EPERM;
12420 + if (nat_hdr.len != sizeof(NAT_WEIGHT_T))
12421 + return -EPERM;
12422 + if (copy_from_user((void *)&nat_cfg.weight, req_datap, sizeof(NAT_WEIGHT_T)))
12423 + return -EFAULT;
12424 + mac_set_hw_tx_weight(dev, (char *)&nat_cfg.weight);
12425 + break;
12426 + case NATGWEIGHT:
12427 + if (nat_hdr.len != sizeof(NAT_WEIGHT_T))
12428 + return -EPERM;
12429 + mac_get_hw_tx_weight(dev, (char *)&nat_cfg.weight);
12430 + if (copy_to_user(req_datap, (void *)&nat_cfg.weight, sizeof(NAT_WEIGHT_T)))
12431 + return -EFAULT;
12432 + break;
12433 + case NATAWRULE:
12434 + if (!capable(CAP_NET_ADMIN))
12435 + return -EPERM;
12436 + if (nat_hdr.len != sizeof(NAT_WRULE_T))
12437 + return -EPERM;
12438 + if (copy_from_user((void *)&qid, req_datap, sizeof(qid)))
12439 + return -EFAULT;
12440 + if (qid > CONFIG_NAT_TXQ_NUM)
12441 + return -EPERM;
12442 + i = nat_cfg.wrule[qid].total;
12443 + if (i >= CONFIG_NAT_MAX_WRULE)
12444 + return -E2BIG;
12445 + if (copy_from_user((void *)&nat_cfg.wrule[qid].entry[i], req_datap+sizeof(qid), sizeof(NAT_WRULE_T)))
12446 + return -EFAULT;
12447 + nat_cfg.wrule[qid].total++;
12448 + break;
12449 + case NATDWRULE:
12450 + if (!capable(CAP_NET_ADMIN))
12451 + return -EPERM;
12452 + if (nat_hdr.len != sizeof(NAT_WRULE_T))
12453 + return -EPERM;
12454 + if (copy_from_user((void *)&ctrl.wrule, req_datap, sizeof(NAT_WRULE_T)))
12455 + return -EFAULT;
12456 + qid = ctrl.wrule.qid;
12457 + if (qid >= CONFIG_NAT_TXQ_NUM)
12458 + return -EPERM;
12459 + wrule_entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0];
12460 + for (i=0; i<nat_cfg.wrule[qid].total; i++, wrule_entry++)
12461 + {
12462 + if (memcmp((void *)wrule_entry, (void *)&ctrl.wrule.entry, sizeof(NAT_WRULE_ENTRY_T)) == 0)
12463 + {
12464 + NAT_WRULE_ENTRY_T *wrule_next;
12465 + wrule_next = wrule_entry + 1;
12466 + for (j=i+1; j < nat_cfg.wrule[qid].total; i++, j++)
12467 + {
12468 + memcpy((void *)wrule_entry, (void *)wrule_next, sizeof(NAT_WRULE_ENTRY_T));
12469 + wrule_entry++;
12470 + wrule_next++;
12471 + }
12472 + memset((void *)wrule_entry, 0, sizeof(NAT_WRULE_ENTRY_T));
12473 + nat_cfg.wrule[qid].total--;
12474 + return 0;
12475 + }
12476 + }
12477 + return -ENOENT;
12478 + case NATGWRULE:
12479 + if (nat_hdr.len != sizeof(NAT_WRULE_ALL_T))
12480 + return -EPERM;
12481 + if (copy_from_user((void *)&qid, req_datap, sizeof(qid)))
12482 + return -EFAULT;
12483 + if (qid >= CONFIG_NAT_TXQ_NUM)
12484 + return -EPERM;
12485 + if (copy_to_user(req_datap, (void *)&nat_cfg.wrule[qid], sizeof(NAT_WRULE_ALL_T)))
12486 + return -EFAULT;
12487 + break;
12488 + case NATSDEFQ:
12489 + if (!capable(CAP_NET_ADMIN))
12490 + return -EPERM;
12491 + if (nat_hdr.len != sizeof(NAT_QUEUE_T))
12492 + return -EPERM;
12493 + if (copy_from_user((void *)&nat_cfg.default_hw_txq, req_datap, sizeof(u32)))
12494 + return -EFAULT;
12495 + break;
12496 + case NATGDEFQ:
12497 + if (nat_hdr.len != sizeof(NAT_QUEUE_T))
12498 + return -EPERM;
12499 + if (copy_to_user(req_datap, (void *)&nat_cfg.default_hw_txq, sizeof(u32)))
12500 + return -EFAULT;
12501 + case NATRMIPCFG:
12502 + nat_cfg.ipcfg[port_id].total = 0;
12503 + break;
12504 + case NATTESTENTRY:
12505 + if (!capable(CAP_NET_ADMIN))
12506 + return -EPERM;
12507 + if (nat_hdr.len != sizeof(NAT_TESTENTRY_T))
12508 + return -EPERM;
12509 + if (copy_from_user((void *)&ctrl.init_entry, req_datap, sizeof(ctrl.init_entry)))
12510 + return -EFAULT;
12511 + if (ctrl.init_entry.init_enable != 0 && ctrl.init_entry.init_enable != 1)
12512 + return -EPERM;
12513 + nat_cfg.init_enabled = ctrl.init_entry.init_enable;
12514 + break;
12515 +
12516 + default:
12517 + return -EPERM;
12518 + }
12519 +
12520 + return 0;
12521 +}
12522 +
12523 +/*----------------------------------------------------------------------
12524 +* nat_init_test_entry
12525 +* Initialize NAT test hash entries
12526 +*
12527 +* SmartBits P1 -----> Lepus GMAC 0 --------------+
12528 +* |
12529 +* |
12530 +* P3 <----- Lepus GMAC 1 -- HW TxQ0 <--+
12531 +* -- HW TxQ1 <--+
12532 +* -- HW TxQ2 <--+
12533 +* -- HW TxQ3 <--+
12534 +*
12535 +* SmartBits P1 <----- Lepus GMAC 0 -- HW TxQ0 <--+
12536 +* -- HW TxQ1 <--+
12537 +* -- HW TxQ2 <--+
12538 +* -- HW TxQ3 <--+
12539 +* |
12540 +* |
12541 +* P3 -----> Lepus GMAC 1 --------------+
12542 +*
12543 +* LAN GMAC0 <--------------------------------------------> GMAC1 WAN
12544 +* 192.168.[x].[y]:50 --> 168.95.[x].[y]:80 ---TXQ[y-1]---> 192.168.2.254:200[y] --> 168.95.[x].[y]:80
12545 +* 192.168.[x].[y]:50 <-- 168.95.[x].[y]:80 <--TXQ[y-1]---- 192.168.2.254:200[y] <-- 168.95.[x].[y]:80
12546 +* where:
12547 +* [x] : Packet Type
12548 +* [y] : Tx Queue, 1 for TxQ0, 2 for TxQ1, 3 for TxQ2, 4 for TxQ3,
12549 +*
12550 +*
12551 +* Packet Type:
12552 +* 1. TCP Frames <---> TCP Frames
12553 +* LAN GMAC0 <--------------------------------> GMAC1 WAN
12554 +* 192.168.1.1:50 --> 168.95.1.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.1.1:80
12555 +* 192.168.1.1:50 <-- 168.95.1.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.1.1:80
12556 +*
12557 +* 192.168.1.2:50 --> 168.95.1.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.1.2:80
12558 +* 192.168.1.2:50 <-- 168.95.1.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.1.2:80
12559 +*
12560 +* 192.168.1.3:50 --> 168.95.1.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.1.3:80
12561 +* 192.168.1.3:50 <-- 168.95.1.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.1.3:80
12562 +*
12563 +* 192.168.1.4:50 --> 168.95.1.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.1.4:80
12564 +* 192.168.1.4:50 <-- 168.95.1.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.1.4:80
12565 +*
12566 +* 2 TCP Frames <----> PPPoE + TCP Frames
12567 +* LAN GMAC0 <--------------------------------> GMAC1 WAN
12568 +* 192.168.2.1:50 --> 168.95.2.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.2.1:80
12569 +* 192.168.2.1:50 <-- 168.95.2.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.2.1:80
12570 +*
12571 +* 192.168.2.2:50 --> 168.95.2.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.2.2:80
12572 +* 192.168.2.2:50 <-- 168.95.2.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.2.2:80
12573 +*
12574 +* 192.168.2.3:50 --> 168.95.2.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.2.3:80
12575 +* 192.168.2.3:50 <-- 168.95.2.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.2.3:80
12576 +*
12577 +* 192.168.2.4:50 --> 168.95.2.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.2.4:80
12578 +* 192.168.2.4:50 <-- 168.95.2.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.2.4:80
12579 +*
12580 +* 3 TCP Frames <----> VLAN + PPPoE + TCP Frames
12581 +* LAN GMAC0 <--------------------------------> GMAC1 WAN
12582 +* 192.168.3.1:50 --> 168.95.3.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.3.1:80
12583 +* 192.168.3.1:50 <-- 168.95.3.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.3.1:80
12584 +*
12585 +* 192.168.3.2:50 --> 168.95.3.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.3.2:80
12586 +* 192.168.3.2:50 <-- 168.95.3.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.3.2:80
12587 +*
12588 +* 192.168.3.3:50 --> 168.95.3.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.3.3:80
12589 +* 192.168.3.3:50 <-- 168.95.3.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.3.3:80
12590 +*
12591 +* 192.168.3.4:50 --> 168.95.3.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.3.4:80
12592 +* 192.168.3.4:50 <-- 168.95.3.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.3.4:80
12593 +*
12594 +* 4 VLAN-A + TCP Frames <----> VLAN-B + PPPoE + TCP Frames
12595 +* LAN GMAC0 <--------------------------------> GMAC1 WAN
12596 +* 192.168.4.1:50 --> 168.95.4.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.4.1:80
12597 +* 192.168.4.1:50 <-- 168.95.4.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.4.1:80
12598 +*
12599 +* 192.168.4.2:50 --> 168.95.4.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.4.2:80
12600 +* 192.168.4.2:50 <-- 168.95.4.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.4.2:80
12601 +*
12602 +* 192.168.4.3:50 --> 168.95.4.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.4.3:80
12603 +* 192.168.4.3:50 <-- 168.95.4.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.4.3:80
12604 +*
12605 +* 192.168.4.4:50 --> 168.95.4.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.4.4:80
12606 +* 192.168.4.4:50 <-- 168.95.4.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.4.4:80
12607 +*
12608 +*
12609 +*
12610 +*----------------------------------------------------------------------*/
12611 +#ifdef SL351x_NAT_TEST_BY_SMARTBITS
12612 +#define NAT_IPIV(a,b,c,d) ((a<<24)+(b<<16)+(c<<8)+d)
12613 +#define NAT_TEST_CLIENT_IP NAT_IPIV(192,168,1,1)
12614 +#define NAT_TEST_SERVER_IP NAT_IPIV(168,95,1,1)
12615 +#define NAT_TEST_LAN_IP NAT_IPIV(192,168,1,254)
12616 +#define NAT_TEST_WAN_IP NAT_IPIV(192,168,2,254)
12617 +#define NAT_TEST_MAP_PORT_BASE 2001
12618 +#define NAT_TEST_SPORT 50
12619 +#define NAT_TEST_DPORT 80
12620 +#define NAT_TEST_PROTOCOL 6
12621 +u8 nat_test_lan_target_da[6]={0x00,0x11,0x22,0x33,0x44,0x55};
12622 +u8 nat_test_wan_target_da[6]={0x00,0xaa,0xbb,0xcc,0xdd,0xee};
12623 +u8 nat_test_lan_my_da[6]={0x00,0x11,0x11,0x11,0x11,0x11};
12624 +u8 nat_test_wan_my_da[6]={0x00,0x22,0x22,0x22,0x22,0x22};
12625 +static void nat_init_test_entry(void)
12626 +{
12627 + int i, j ;
12628 + NAT_HASH_ENTRY_T *hash_entry;
12629 + u32 sip, dip;
12630 + u32 hash_data[HASH_MAX_DWORDS];
12631 + NAT_CFG_T *cfg;
12632 + int hash_index;
12633 +
12634 + cfg = (NAT_CFG_T *)&nat_cfg;
12635 + hash_entry = (NAT_HASH_ENTRY_T *)&hash_data;
12636 + hash_entry->key.Ethertype = 0;
12637 + hash_entry->key.rule_id = 0;
12638 + hash_entry->key.ip_protocol = IPPROTO_TCP;
12639 + hash_entry->key.reserved1 = 0;
12640 + hash_entry->key.reserved2 = 0;
12641 + // hash_entry->key.sip = NAT_TEST_CLIENT_IP;
12642 + // hash_entry->key.dip = NAT_TEST_SERVER_IP;
12643 + hash_entry->key.sport = htons(NAT_TEST_SPORT);
12644 + hash_entry->key.dport = htons(NAT_TEST_DPORT);
12645 + hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
12646 + hash_entry->action.dword = NAT_LAN2WAN_ACTIONS;
12647 +
12648 + sip = NAT_TEST_CLIENT_IP;
12649 + dip = NAT_TEST_SERVER_IP;
12650 +
12651 + // Init TCP <------> TCP hash entries
12652 + // LAN --> WAN
12653 + // (1) TCP --> TCP
12654 + // (2) TCP --> PPPoE + TCP
12655 + // (3) TCP --> VLAN-B + PPPoE + TCP
12656 + // (4) TCP + VLAN-A --> VLAN-B + PPPoE + TCP
12657 + memcpy(hash_entry->param.da, nat_test_wan_target_da, 6);
12658 + memcpy(hash_entry->param.sa, nat_test_wan_my_da, 6);
12659 + hash_entry->key.port_id = cfg->lan_port;
12660 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
12661 + {
12662 + if (i < 2)
12663 + {
12664 + hash_entry->action.bits.dest_qid = i+2;
12665 + }
12666 + else
12667 + {
12668 + hash_entry->action.bits.dest_qid = i;
12669 + }
12670 + hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
12671 + hash_entry->param.Sport = NAT_TEST_MAP_PORT_BASE+i;
12672 + hash_entry->param.Dport = NAT_TEST_DPORT;
12673 + for (j=0; j<4; j++)
12674 + {
12675 + hash_entry->key.sip = sip + i + j*0x100;
12676 + hash_entry->key.dip = dip + i + j*0x100;
12677 + hash_entry->param.Dip = hash_entry->key.dip;
12678 + hash_entry->param.Sip = NAT_TEST_WAN_IP;
12679 + switch (j)
12680 + {
12681 + case 0:
12682 + hash_entry->action.bits.pppoe = 0;
12683 + hash_entry->param.pppoe = 0;
12684 + hash_entry->action.bits.vlan = 0;
12685 + hash_entry->param.vlan = 0;
12686 + break;
12687 + case 1:
12688 + hash_entry->action.bits.pppoe = 1;
12689 + hash_entry->param.pppoe = i+1;
12690 + hash_entry->action.bits.vlan = 0;
12691 + hash_entry->param.vlan = 0;
12692 + break;
12693 + case 2:
12694 + hash_entry->action.bits.pppoe = 1;
12695 + hash_entry->param.pppoe = i+1;
12696 + hash_entry->action.bits.vlan = 1;
12697 + hash_entry->param.vlan = i+10;
12698 + break;
12699 + case 3:
12700 + hash_entry->action.bits.pppoe = 1;
12701 + hash_entry->param.pppoe = i+1;
12702 + hash_entry->action.bits.vlan = 1;
12703 + hash_entry->param.vlan = i+10;
12704 + break;
12705 + }
12706 + hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff;
12707 + hash_index = nat_build_keys(&hash_entry->key);
12708 + nat_write_hash_entry(hash_index, hash_entry);
12709 + hash_nat_enable_owner(hash_index);
12710 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
12711 + }
12712 + }
12713 +
12714 +
12715 + // WAN --> LAN
12716 + hash_entry->key.port_id = cfg->wan_port;
12717 + hash_entry->key.sport = htons(NAT_TEST_DPORT);
12718 + hash_entry->key.dport = htons(NAT_TEST_DPORT);
12719 + hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
12720 + hash_entry->action.dword = NAT_WAN2LAN_ACTIONS;
12721 + hash_entry->key.sport = htons(NAT_TEST_DPORT);
12722 + memcpy(hash_entry->param.da, nat_test_lan_target_da, 6);
12723 + memcpy(hash_entry->param.sa, nat_test_lan_my_da, 6);
12724 + for (i=0; i<TOE_HW_TXQ_NUM; i++)
12725 + {
12726 + hash_entry->key.dport = htons(NAT_TEST_MAP_PORT_BASE + i);
12727 + if (i < 2)
12728 + {
12729 + hash_entry->action.bits.dest_qid = i+2;
12730 + }
12731 + else
12732 + {
12733 + hash_entry->action.bits.dest_qid = i;
12734 + }
12735 + hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
12736 + hash_entry->param.Dport = NAT_TEST_SPORT;
12737 + hash_entry->param.Sport = NAT_TEST_DPORT;
12738 + hash_entry->param.da[5] = i;
12739 + for (j=0; j<4; j++)
12740 + {
12741 + hash_entry->key.sip = (dip + i + j*0x100);
12742 + hash_entry->key.dip = (NAT_TEST_WAN_IP);
12743 + hash_entry->param.Sip = hash_entry->key.sip;
12744 + hash_entry->param.Dip = sip + i + j*0x100;
12745 + switch (j)
12746 + {
12747 + case 0:
12748 + hash_entry->action.bits.pppoe = 0;
12749 + hash_entry->param.pppoe = 0;
12750 + hash_entry->action.bits.vlan = 0;
12751 + hash_entry->param.vlan = 0;
12752 + break;
12753 + case 1:
12754 + hash_entry->action.bits.pppoe = 2;
12755 + hash_entry->param.pppoe = i+1;
12756 + hash_entry->action.bits.vlan = 0;
12757 + hash_entry->param.vlan = 0;
12758 + break;
12759 + case 2:
12760 + hash_entry->action.bits.pppoe = 2;
12761 + hash_entry->param.pppoe = i+1;
12762 + hash_entry->action.bits.vlan = 2;
12763 + hash_entry->param.vlan = i+5;
12764 + break;
12765 + case 3:
12766 + hash_entry->action.bits.pppoe = 1;
12767 + hash_entry->param.pppoe = i+1;
12768 + hash_entry->action.bits.vlan = 1;
12769 + hash_entry->param.vlan = i+5;
12770 + break;
12771 + }
12772 + hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff;
12773 + hash_index = nat_build_keys(&hash_entry->key);
12774 + nat_write_hash_entry(hash_index, hash_entry);
12775 + hash_nat_enable_owner(hash_index);
12776 + hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
12777 + }
12778 + }
12779 +}
12780 +#endif // SL351x_NAT_TEST_BY_SMARTBITS
12781 +
12782 +#endif // CONFIG_SL351x_NAT
12783 +
12784 --- /dev/null
12785 +++ b/drivers/net/sl351x_proc.c
12786 @@ -0,0 +1,578 @@
12787 +/****************************************************************************
12788 +* Copyright 2006 Storlink Corp. All rights reserved.
12789 +*----------------------------------------------------------------------------
12790 +* Name : sl351x_proc.c
12791 +* Description :
12792 +* Handle Proc Routines for Storlink SL351x Platform
12793 +*
12794 +* History
12795 +*
12796 +* Date Writer Description
12797 +*----------------------------------------------------------------------------
12798 +* 04/13/2006 Gary Chen Create and implement
12799 +*
12800 +*
12801 +****************************************************************************/
12802 +#include <linux/module.h>
12803 +#include <linux/kernel.h>
12804 +#include <linux/compiler.h>
12805 +#include <linux/pci.h>
12806 +#include <linux/init.h>
12807 +#include <linux/ioport.h>
12808 +#include <linux/netdevice.h>
12809 +#include <linux/etherdevice.h>
12810 +#include <linux/rtnetlink.h>
12811 +#include <linux/delay.h>
12812 +#include <linux/ethtool.h>
12813 +#include <linux/mii.h>
12814 +#include <linux/completion.h>
12815 +#include <asm/hardware.h>
12816 +#include <asm/io.h>
12817 +#include <asm/irq.h>
12818 +#include <asm/semaphore.h>
12819 +#include <asm/arch/irqs.h>
12820 +#include <asm/arch/it8712.h>
12821 +#include <linux/mtd/kvctl.h>
12822 +#include <linux/skbuff.h>
12823 +#include <linux/if_ether.h>
12824 +#include <linux/if_pppox.h>
12825 +#include <linux/in.h>
12826 +#include <linux/ip.h>
12827 +#include <linux/tcp.h>
12828 +#include <linux/ppp_defs.h>
12829 +#ifdef CONFIG_NETFILTER
12830 +// #include <linux/netfilter_ipv4/ip_conntrack.h>
12831 +#endif
12832 +#include <linux/proc_fs.h>
12833 +#include <linux/seq_file.h>
12834 +#include <linux/percpu.h>
12835 +#ifdef CONFIG_SYSCTL
12836 +#include <linux/sysctl.h>
12837 +#endif
12838 +
12839 +#define MIDWAY
12840 +#define SL_LEPUS
12841 +
12842 +// #define PROC_DEBUG_MSG 1
12843 +
12844 +#include <asm/arch/sl2312.h>
12845 +#include <asm/arch/sl351x_gmac.h>
12846 +#include <asm/arch/sl351x_hash_cfg.h>
12847 +#include <asm/arch/sl351x_nat_cfg.h>
12848 +#include <asm/arch/sl351x_toe.h>
12849 +
12850 +#ifdef CONFIG_PROC_FS
12851 +/*----------------------------------------------------------------------
12852 +* Definition
12853 +*----------------------------------------------------------------------*/
12854 +#define proc_printf printk
12855 +#define SL351x_GMAC_PROC_NAME "sl351x_gmac"
12856 +#define SL351x_NAT_PROC_NAME "sl351x_nat"
12857 +#define SL351x_TOE_PROC_NAME "sl351x_toe"
12858 +
12859 +/*----------------------------------------------------------------------
12860 +* Function Definition
12861 +*----------------------------------------------------------------------*/
12862 +#ifdef CONFIG_SL351x_NAT
12863 +static int nat_ct_open(struct inode *inode, struct file *file);
12864 +static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos);
12865 +static void nat_ct_seq_stop(struct seq_file *s, void *v);
12866 +static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
12867 +static int nat_ct_seq_show(struct seq_file *s, void *v);
12868 +#endif
12869 +
12870 +#ifdef CONFIG_SL351x_RXTOE
12871 +static int toe_ct_open(struct inode *inode, struct file *file);
12872 +static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos);
12873 +static void toe_ct_seq_stop(struct seq_file *s, void *v);
12874 +static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
12875 +static int toe_ct_seq_show(struct seq_file *s, void *v);
12876 +extern int sl351x_get_toe_conn_flag(int index);
12877 +extern struct toe_conn * sl351x_get_toe_conn_info(int index);
12878 +#endif
12879 +
12880 +static int gmac_ct_open(struct inode *inode, struct file *file);
12881 +static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos);
12882 +static void gmac_ct_seq_stop(struct seq_file *s, void *v);
12883 +static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
12884 +static int gmac_ct_seq_show(struct seq_file *s, void *v);
12885 +
12886 +
12887 +/*----------------------------------------------------------------------
12888 +* Data
12889 +*----------------------------------------------------------------------*/
12890 +#ifdef CONFIG_SYSCTL
12891 +// static struct ctl_table_header *nat_ct_sysctl_header;
12892 +#endif
12893 +
12894 +#ifdef CONFIG_SL351x_NAT
12895 +static struct seq_operations nat_ct_seq_ops = {
12896 + .start = nat_ct_seq_start,
12897 + .next = nat_ct_seq_next,
12898 + .stop = nat_ct_seq_stop,
12899 + .show = nat_ct_seq_show
12900 +};
12901 +
12902 +static struct file_operations nat_file_ops= {
12903 + .owner = THIS_MODULE,
12904 + .open = nat_ct_open,
12905 + .read = seq_read,
12906 + .llseek = seq_lseek,
12907 + .release = seq_release
12908 +};
12909 +#endif // CONFIG_SL351x_NAT
12910 +
12911 +#ifdef CONFIG_SL351x_RXTOE
12912 +static struct seq_operations toe_ct_seq_ops = {
12913 + .start = toe_ct_seq_start,
12914 + .next = toe_ct_seq_next,
12915 + .stop = toe_ct_seq_stop,
12916 + .show = toe_ct_seq_show
12917 +};
12918 +
12919 +static struct file_operations toe_file_ops= {
12920 + .owner = THIS_MODULE,
12921 + .open = toe_ct_open,
12922 + .read = seq_read,
12923 + .llseek = seq_lseek,
12924 + .release = seq_release
12925 +};
12926 +#endif
12927 +
12928 +static struct seq_operations gmac_ct_seq_ops = {
12929 + .start = gmac_ct_seq_start,
12930 + .next = gmac_ct_seq_next,
12931 + .stop = gmac_ct_seq_stop,
12932 + .show = gmac_ct_seq_show
12933 +};
12934 +
12935 +static struct file_operations gmac_file_ops= {
12936 + .owner = THIS_MODULE,
12937 + .open = gmac_ct_open,
12938 + .read = seq_read,
12939 + .llseek = seq_lseek,
12940 + .release = seq_release
12941 +};
12942 +
12943 +#ifdef SL351x_GMAC_WORKAROUND
12944 +extern u32 gmac_workaround_cnt[4];
12945 +extern u32 gmac_short_frame_workaround_cnt[2];
12946 +#ifdef CONFIG_SL351x_NAT
12947 + extern u32 sl351x_nat_workaround_cnt;
12948 +#endif
12949 +#endif
12950 +/*----------------------------------------------------------------------
12951 +* nat_ct_open
12952 +*----------------------------------------------------------------------*/
12953 +#ifdef CONFIG_SL351x_NAT
12954 +static int nat_ct_open(struct inode *inode, struct file *file)
12955 +{
12956 + return seq_open(file, &nat_ct_seq_ops);
12957 +}
12958 +#endif // CONFIG_SL351x_NAT
12959 +/*----------------------------------------------------------------------
12960 +* nat_ct_seq_start
12961 +* find the first
12962 +*----------------------------------------------------------------------*/
12963 +#ifdef CONFIG_SL351x_NAT
12964 +static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos)
12965 +{
12966 + int i;
12967 +
12968 + // proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
12969 + for (i=*pos; i<HASH_TOTAL_ENTRIES; i++)
12970 + {
12971 + if (hash_get_nat_owner_flag(i))
12972 + {
12973 + *pos = i;
12974 + return (void *)(i+1);
12975 + }
12976 + }
12977 + return NULL;
12978 +}
12979 +#endif // CONFIG_SL351x_NAT
12980 +/*----------------------------------------------------------------------
12981 +* nat_ct_seq_stop
12982 +*----------------------------------------------------------------------*/
12983 +#ifdef CONFIG_SL351x_NAT
12984 +static void nat_ct_seq_stop(struct seq_file *s, void *v)
12985 +{
12986 +}
12987 +#endif // CONFIG_SL351x_NAT
12988 +/*----------------------------------------------------------------------
12989 +* nat_ct_seq_next
12990 +*----------------------------------------------------------------------*/
12991 +#ifdef CONFIG_SL351x_NAT
12992 +static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
12993 +{
12994 + int i;
12995 +
12996 + // proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
12997 + (*pos)++;
12998 + for (i=*pos; i<HASH_TOTAL_ENTRIES; i++)
12999 + {
13000 + if (hash_get_nat_owner_flag(i))
13001 + {
13002 + *pos = i;
13003 + return (void *)(i+1);
13004 + }
13005 + }
13006 + return NULL;
13007 +}
13008 +#endif // CONFIG_SL351x_NAT
13009 +/*----------------------------------------------------------------------
13010 +* nat_ct_seq_show
13011 +*----------------------------------------------------------------------*/
13012 +#ifdef CONFIG_SL351x_NAT
13013 +static int nat_ct_seq_show(struct seq_file *s, void *v)
13014 +{
13015 + int idx;
13016 + NAT_HASH_ENTRY_T *nat_entry;
13017 + GRE_HASH_ENTRY_T *gre_entry;
13018 +
13019 + idx = (int)v;
13020 + if (idx<=0 || idx >HASH_TOTAL_ENTRIES)
13021 + return -ENOSPC;
13022 +
13023 + idx--;
13024 + nat_entry = (NAT_HASH_ENTRY_T *)&hash_tables[idx];
13025 + gre_entry = (GRE_HASH_ENTRY_T *)nat_entry;
13026 + if (nat_entry->key.ip_protocol == IPPROTO_GRE)
13027 + {
13028 + if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u\n",
13029 + idx, gre_entry->key.port_id, gre_entry->key.ip_protocol,
13030 + HIPQUAD(gre_entry->key.sip), ntohs(gre_entry->key.call_id),
13031 + HIPQUAD(gre_entry->key.dip)))
13032 + return -ENOSPC;
13033 + if (seq_printf(s, " PARAMETER: %u.%u.%u.%u -->%u.%u.%u.%u [%u] Timeout:%ds\n",
13034 + HIPQUAD(gre_entry->param.Sip),
13035 + HIPQUAD(gre_entry->param.Dip), gre_entry->param.Dport,
13036 + gre_entry->tmo.counter))
13037 + return -ENOSPC;
13038 + }
13039 + else
13040 + {
13041 + if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n",
13042 + idx, nat_entry->key.port_id, nat_entry->key.ip_protocol,
13043 + HIPQUAD(nat_entry->key.sip), ntohs(nat_entry->key.sport),
13044 + HIPQUAD(nat_entry->key.dip), ntohs(nat_entry->key.dport)))
13045 + return -ENOSPC;
13046 + if (seq_printf(s, " PARAMETER: %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u] Timeout:%ds\n",
13047 + HIPQUAD(nat_entry->param.Sip), nat_entry->param.Sport,
13048 + HIPQUAD(nat_entry->param.Dip), nat_entry->param.Dport,
13049 + nat_entry->tmo.counter))
13050 + return -ENOSPC;
13051 + }
13052 + return 0;
13053 +}
13054 +#endif // CONFIG_SL351x_NAT
13055 +
13056 +/*----------------------------------------------------------------------
13057 +* toe_ct_open
13058 +*----------------------------------------------------------------------*/
13059 +#ifdef CONFIG_SL351x_RXTOE
13060 +static int toe_ct_open(struct inode *inode, struct file *file)
13061 +{
13062 + return seq_open(file, &toe_ct_seq_ops);
13063 +}
13064 +#endif
13065 +/*----------------------------------------------------------------------
13066 +* toe_ct_seq_start
13067 +* find the first
13068 +*----------------------------------------------------------------------*/
13069 +#ifdef CONFIG_SL351x_RXTOE
13070 +static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos)
13071 +{
13072 + int i;
13073 +
13074 + // proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
13075 + for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++)
13076 + {
13077 + if (sl351x_get_toe_conn_flag(i))
13078 + {
13079 + *pos = i;
13080 + return (void *)(i+1);
13081 + }
13082 + }
13083 + return NULL;
13084 +}
13085 +#endif
13086 +/*----------------------------------------------------------------------
13087 +* toe_ct_seq_stop
13088 +*----------------------------------------------------------------------*/
13089 +#ifdef CONFIG_SL351x_RXTOE
13090 +static void toe_ct_seq_stop(struct seq_file *s, void *v)
13091 +{
13092 +}
13093 +#endif
13094 +/*----------------------------------------------------------------------
13095 +* toe_ct_seq_next
13096 +*----------------------------------------------------------------------*/
13097 +#ifdef CONFIG_SL351x_RXTOE
13098 +static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
13099 +{
13100 + int i;
13101 +
13102 + // proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
13103 + (*pos)++;
13104 + for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++)
13105 + {
13106 + if (sl351x_get_toe_conn_flag(i))
13107 + {
13108 + *pos = i;
13109 + return (void *)(i+1);
13110 + }
13111 + }
13112 + return NULL;
13113 +}
13114 +#endif
13115 +/*----------------------------------------------------------------------
13116 +* toe_ct_seq_show
13117 +*----------------------------------------------------------------------*/
13118 +#ifdef CONFIG_SL351x_RXTOE
13119 +static int toe_ct_seq_show(struct seq_file *s, void *v)
13120 +{
13121 + int idx;
13122 + struct toe_conn *toe_entry;
13123 +
13124 + idx = (int)v;
13125 + if (idx<=0 || idx >TOE_TOE_QUEUE_NUM)
13126 + return -ENOSPC;
13127 +
13128 + idx--;
13129 + toe_entry = (struct toe_conn *)sl351x_get_toe_conn_info(idx);
13130 + if (!toe_entry)
13131 + return -ENOSPC;
13132 +
13133 + if (seq_printf(s, "%4d: Qid %d MAC-%d TCP %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n",
13134 + idx, toe_entry->qid, toe_entry->gmac->port_id,
13135 + NIPQUAD(toe_entry->saddr[0]), ntohs(toe_entry->source),
13136 + NIPQUAD(toe_entry->daddr[0]), ntohs(toe_entry->dest)))
13137 + return -ENOSPC;
13138 + return 0;
13139 +}
13140 +#endif
13141 +/*----------------------------------------------------------------------
13142 +* gmac_ct_open
13143 +*----------------------------------------------------------------------*/
13144 +static int gmac_ct_open(struct inode *inode, struct file *file)
13145 +{
13146 + return seq_open(file, &gmac_ct_seq_ops);
13147 +}
13148 +
13149 +/*----------------------------------------------------------------------
13150 +* gmac_ct_seq_start
13151 +* find the first
13152 +*----------------------------------------------------------------------*/
13153 +static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos)
13154 +{
13155 + int i;
13156 + i = (int)*pos + 1;;
13157 +
13158 + if (i > 9)
13159 + return NULL;
13160 + else
13161 + return (void *)i;
13162 +}
13163 +
13164 +/*----------------------------------------------------------------------
13165 +* gmac_ct_seq_stop
13166 +*----------------------------------------------------------------------*/
13167 +static void gmac_ct_seq_stop(struct seq_file *s, void *v)
13168 +{
13169 +}
13170 +
13171 +/*----------------------------------------------------------------------
13172 +* gmac_ct_seq_next
13173 +*----------------------------------------------------------------------*/
13174 +static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
13175 +{
13176 + int i;
13177 +
13178 + // proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
13179 +
13180 + (*pos)++;
13181 + i = (int)*pos + 1;;
13182 +
13183 + if (i > 9)
13184 + return NULL;
13185 + else
13186 + return (void *)i;
13187 +}
13188 +
13189 +/*----------------------------------------------------------------------
13190 +* seq_dm_long
13191 +*----------------------------------------------------------------------*/
13192 +static void seq_dm_long(struct seq_file *s, u32 location, int length)
13193 +{
13194 + u32 *start_p, *curr_p, *end_p;
13195 + u32 *datap, data;
13196 + int i;
13197 +
13198 + //if (length > 1024)
13199 + // length = 1024;
13200 +
13201 + start_p = (u32 *)location;
13202 + end_p = (u32 *)location + length;
13203 + curr_p = (u32 *)((u32)location & 0xfffffff0);
13204 + datap = (u32 *)location;
13205 + while (curr_p < end_p)
13206 + {
13207 + cond_resched();
13208 + seq_printf(s, "0x%08x: ",(u32)curr_p & 0xfffffff0);
13209 + for (i=0; i<4; i++)
13210 + {
13211 + if (curr_p < start_p || curr_p >= end_p)
13212 + seq_printf(s, " ");
13213 + else
13214 + {
13215 + data = *datap;
13216 + seq_printf(s, "%08X ", data);
13217 + }
13218 + if (i==1)
13219 + seq_printf(s, "- ");
13220 +
13221 + curr_p++;
13222 + datap++;
13223 + }
13224 + seq_printf(s, "\n");
13225 + }
13226 +}
13227 +
13228 +/*----------------------------------------------------------------------
13229 +* gmac_ct_seq_show
13230 +*----------------------------------------------------------------------*/
13231 +static int gmac_ct_seq_show(struct seq_file *s, void *v)
13232 +{
13233 + switch ((int)v)
13234 + {
13235 + case 1:
13236 + seq_printf(s, "\nGMAC Global Registers\n");
13237 + seq_dm_long(s, TOE_GLOBAL_BASE, 32);
13238 + break;
13239 + case 2:
13240 + seq_printf(s, "\nGMAC Non-TOE Queue Header\n");
13241 + seq_dm_long(s, TOE_NONTOE_QUE_HDR_BASE, 12);
13242 + break;
13243 + case 3:
13244 + seq_printf(s, "\nGMAC TOE Queue Header\n");
13245 + seq_dm_long(s, TOE_TOE_QUE_HDR_BASE, 12);
13246 + break;
13247 + case 4:
13248 + seq_printf(s, "\nGMAC-0 DMA Registers\n");
13249 + seq_dm_long(s, TOE_GMAC0_DMA_BASE, 52);
13250 + break;
13251 + case 5:
13252 + seq_printf(s, "\nGMAC-0 Registers\n");
13253 + seq_dm_long(s, TOE_GMAC0_BASE, 32);
13254 + break;
13255 + case 6:
13256 + seq_printf(s, "\nGMAC-1 DMA Registers\n");
13257 + seq_dm_long(s, TOE_GMAC1_DMA_BASE, 52);
13258 + break;
13259 + case 7:
13260 + seq_printf(s, "\nGMAC-1 Registers\n");
13261 + seq_dm_long(s, TOE_GMAC1_BASE, 32);
13262 + break;
13263 + case 8:
13264 + seq_printf(s, "\nGLOBAL Registers\n");
13265 + seq_dm_long(s, GMAC_GLOBAL_BASE_ADDR, 16);
13266 + break;
13267 + case 9:
13268 +#ifdef SL351x_GMAC_WORKAROUND
13269 + seq_printf(s, "\nGMAC-0 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[0], gmac_workaround_cnt[1], gmac_short_frame_workaround_cnt[0]);
13270 + seq_printf(s, "GMAC-1 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[2], gmac_workaround_cnt[3], gmac_short_frame_workaround_cnt[1]);
13271 +#ifdef CONFIG_SL351x_NAT
13272 + seq_printf(s, "NAT Workaround: %u\n", sl351x_nat_workaround_cnt);
13273 +#endif
13274 +#endif
13275 + break;
13276 + default:
13277 + return -ENOSPC;
13278 + }
13279 + return 0;
13280 +}
13281 +
13282 +/*----------------------------------------------------------------------
13283 +* init
13284 +*----------------------------------------------------------------------*/
13285 +static int __init init(void)
13286 +{
13287 + struct proc_dir_entry *proc_gmac=NULL;
13288 +
13289 +#ifdef CONFIG_SL351x_NAT
13290 + struct proc_dir_entry *proc_nat=NULL;
13291 +#endif
13292 +
13293 +#ifdef CONFIG_SL351x_RXTOE
13294 + struct proc_dir_entry *proc_toe=NULL;
13295 +#endif
13296 +
13297 +#ifdef CONFIG_SYSCTL
13298 + // nat_ct_sysctl_header = NULL;
13299 +#endif
13300 + proc_gmac = proc_net_fops_create(SL351x_GMAC_PROC_NAME, 0440, &gmac_file_ops);
13301 + if (!proc_gmac) goto init_bad;
13302 +
13303 +#ifdef CONFIG_SL351x_NAT
13304 + proc_nat = proc_net_fops_create(SL351x_NAT_PROC_NAME, 0440, &nat_file_ops);
13305 + if (!proc_nat) goto init_bad;
13306 +#endif // CONFIG_SL351x_NAT
13307 +
13308 +#ifdef CONFIG_SL351x_RXTOE
13309 + proc_toe = proc_net_fops_create(SL351x_TOE_PROC_NAME, 0440, &toe_file_ops);
13310 + if (!proc_toe) goto init_bad;
13311 +#endif
13312 +
13313 +#ifdef CONFIG_SYSCTL
13314 + // nat_ct_sysctl_header = register_sysctl_table(nat_ct_net_table, 0);
13315 + // if (!nat_ct_sysctl_header) goto init_bad;
13316 +#endif
13317 +
13318 + return 0;
13319 +
13320 +init_bad:
13321 + if (proc_gmac) proc_net_remove(SL351x_GMAC_PROC_NAME);
13322 +
13323 +#ifdef CONFIG_SL351x_NAT
13324 + if (proc_nat) proc_net_remove(SL351x_NAT_PROC_NAME);
13325 +#endif
13326 +
13327 +#ifdef CONFIG_SL351x_RXTOE
13328 + if (proc_toe) proc_net_remove(SL351x_NAT_PROC_NAME);
13329 +#endif
13330 +
13331 +#ifdef CONFIG_SYSCTL
13332 + // if (nat_ct_sysctl_header) unregister_sysctl_table(nat_ct_sysctl_header);
13333 +#endif
13334 + proc_printf("SL351x NAT Proc: can't create proc or register sysctl.\n");
13335 + return -ENOMEM;
13336 +}
13337 +
13338 +/*----------------------------------------------------------------------
13339 +* fini
13340 +*----------------------------------------------------------------------*/
13341 +static void __exit fini(void)
13342 +{
13343 + proc_net_remove(SL351x_GMAC_PROC_NAME);
13344 +
13345 +#ifdef CONFIG_SL351x_NAT
13346 + proc_net_remove(SL351x_NAT_PROC_NAME);
13347 +#endif
13348 +
13349 +#ifdef CONFIG_SL351x_RXTOE
13350 + proc_net_remove(SL351x_TOE_PROC_NAME);
13351 +#endif
13352 +
13353 +#ifdef CONFIG_SYSCTL
13354 + // unregister_sysctl_table(nat_ct_sysctl_header);
13355 +#endif
13356 +}
13357 +
13358 +/*----------------------------------------------------------------------
13359 +* module
13360 +*----------------------------------------------------------------------*/
13361 +module_init(init);
13362 +module_exit(fini);
13363 +
13364 +#endif // CONFIG_PROC_FS
13365 --- /dev/null
13366 +++ b/drivers/net/sl351x_toe.c
13367 @@ -0,0 +1,1083 @@
13368 +/**************************************************************************
13369 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
13370 +*--------------------------------------------------------------------------
13371 +* Name : sl351x_toe.c
13372 +* Description :
13373 +* Provide TOE routines for SL351x
13374 +*
13375 +* History
13376 +*
13377 +* Date Writer Description
13378 +*----------------------------------------------------------------------------
13379 +* Xiaochong
13380 +*
13381 +****************************************************************************/
13382 +
13383 +#include <linux/pci.h>
13384 +#include <linux/ip.h>
13385 +#include <linux/ipv6.h>
13386 +#include <linux/tcp.h>
13387 +#include <linux/slab.h>
13388 +#include <linux/etherdevice.h>
13389 +#include <asm/io.h>
13390 +#include <linux/sysctl_storlink.h>
13391 +#include <net/tcp.h>
13392 +#include <linux/if_ether.h>
13393 +#include <asm/arch/sl351x_gmac.h>
13394 +#include <asm/arch/sl351x_toe.h>
13395 +#include <asm/arch/sl351x_hash_cfg.h>
13396 +#include <asm/arch/sl351x_nat_cfg.h>
13397 +
13398 +static int in_toe_isr;
13399 +static int toe_initialized=0;
13400 +
13401 +static struct toe_conn toe_connections[TOE_TOE_QUEUE_NUM];
13402 +EXPORT_SYMBOL(toe_connections);
13403 +static __u32 toe_connection_bits[TOE_TOE_QUEUE_NUM/32] __attribute__ ((aligned(16)));
13404 +struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr, INTR_QHDR_T *intr_curr_desc);
13405 +
13406 +extern struct storlink_sysctl storlink_ctl;
13407 +extern TOE_INFO_T toe_private_data;
13408 +extern spinlock_t gmac_fq_lock;
13409 +extern void mac_write_dma_reg(int mac, unsigned int offset, u32 data);
13410 +extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
13411 +extern int hash_add_toe_entry(HASH_ENTRY_T *entry);
13412 +extern void toe_gmac_fill_free_q(void);
13413 +
13414 +#define _DEBUG_SKB_ 1
13415 +#ifdef _DEBUG_SKB_
13416 +/*---------------------------------------------------------------------------
13417 + * _debug_skb
13418 + *-------------------------------------------------------------------------*/
13419 +static inline void _debug_skb(struct sk_buff *skb, GMAC_RXDESC_T *toe_curr_desc, u32 data)
13420 +{
13421 + if ((u32)skb < 0x1000)
13422 + {
13423 + printk("%s skb=%x\n", __func__, (u32)skb);
13424 + while(1);
13425 + }
13426 + REG32(__va(toe_curr_desc->word2.buf_adr)-SKB_RESERVE_BYTES) = data;
13427 +}
13428 +#else
13429 +#define _debug_skb(x, y, z)
13430 +#endif
13431 +
13432 +/*---------------------------------------------------------------------------
13433 + * get_connection_seq_num
13434 + *-------------------------------------------------------------------------*/
13435 +u32 get_connection_seq_num(unsigned short qid)
13436 +{
13437 + TOE_QHDR_T *toe_qhdr;
13438 +
13439 + toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
13440 + toe_qhdr += qid;
13441 + return (u32)toe_qhdr->word3.seq_num;
13442 +}
13443 +EXPORT_SYMBOL(get_connection_seq_num);
13444 +
13445 +/*---------------------------------------------------------------------------
13446 + * get_connection_ack_num
13447 + *-------------------------------------------------------------------------*/
13448 +u32 get_connection_ack_num(unsigned short qid)
13449 +{
13450 + TOE_QHDR_T *toe_qhdr;
13451 +
13452 + toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
13453 + toe_qhdr += qid;
13454 + return (u32)toe_qhdr->word4.ack_num;
13455 +}
13456 +EXPORT_SYMBOL(get_connection_ack_num);
13457 +
13458 +/*---------------------------------------------------------------------------
13459 + * dump_toe_qhdr
13460 + *-------------------------------------------------------------------------*/
13461 +void dump_toe_qhdr(TOE_QHDR_T *toe_qhdr)
13462 +{
13463 + printk("TOE w1 %x, w2 %x, w3 %x\n", toe_qhdr->word1.bits32,
13464 + toe_qhdr->word2.bits32, toe_qhdr->word3.bits32);
13465 + printk("w4 %x, w5 %x, w6 %x\n", toe_qhdr->word4.bits32,
13466 + toe_qhdr->word5.bits32, toe_qhdr->word6.bits32);
13467 +}
13468 +
13469 +/*---------------------------------------------------------------------------
13470 + * dump_intrq_desc
13471 + *-------------------------------------------------------------------------*/
13472 +void dump_intrq_desc(INTR_QHDR_T *intr_curr_desc)
13473 +{
13474 + printk("INTR w0 %x, w1 %x, seq %x\n", intr_curr_desc->word0.bits32,
13475 + intr_curr_desc->word1.bits32, intr_curr_desc->word2.bits32);
13476 + printk("ack %x, w4 %x\n", intr_curr_desc->word3.bits32,
13477 + intr_curr_desc->word4.bits32);
13478 +}
13479 +
13480 +/*---------------------------------------------------------------------------
13481 + * This routine will initialize a TOE matching rule
13482 + * called by SL351x GMAC driver.
13483 + *-------------------------------------------------------------------------*/
13484 +void sl351x_toe_init(void)
13485 +{
13486 + GMAC_MRxCR0_T mrxcr0;
13487 + GMAC_MRxCR1_T mrxcr1;
13488 + GMAC_MRxCR2_T mrxcr2;
13489 + int rule, rc;
13490 +
13491 + if (toe_initialized)
13492 + return;
13493 +
13494 + toe_initialized = 1;
13495 +
13496 +#ifndef CONFIG_SL351x_NAT
13497 + mrxcr0.bits32 = 0;
13498 + mrxcr1.bits32 = 0;
13499 + mrxcr2.bits32 = 0;
13500 + mrxcr0.bits.l3 = 1;
13501 + mrxcr0.bits.l4 = 1;
13502 + mrxcr1.bits.sip = 1;
13503 + mrxcr1.bits.dip = 1;
13504 + mrxcr1.bits.l4_byte0_15 = 0x0f;
13505 + mrxcr0.bits.sprx = 1;
13506 + rule = 0;
13507 + rc = mac_set_rule_reg(0, rule, 1, mrxcr0.bits32, mrxcr1.bits32,
13508 + mrxcr2.bits32);
13509 + if (rc<0) {
13510 + printk("%s::Set MAC 0 rule fail!\n", __func__);
13511 + }
13512 + rc = mac_set_rule_reg(1, rule, 1, mrxcr0.bits32, mrxcr1.bits32,
13513 + mrxcr2.bits32);
13514 + if (rc<0) {
13515 + printk("%s::Set MAC 1 rule fail!\n", __func__);
13516 + }
13517 +#endif // CONFIG_SL351x_NAT
13518 +}
13519 +
13520 +/*---------------------------------------------------------------------------
13521 + * dump_intrq_desc
13522 + * assign an interrupt queue number to a give tcp queue
13523 + *-------------------------------------------------------------------------*/
13524 +int get_interrupt_queue_id(int tcp_qid)
13525 +{
13526 + return (int)(tcp_qid & 0x0003);
13527 +}
13528 +
13529 +/*---------------------------------------------------------------------------
13530 + * reset_connection_index
13531 + * reset the connection bit by given index
13532 + *-------------------------------------------------------------------------*/
13533 +void reset_connection_index(__u8 index)
13534 +{
13535 + __u32 mask = ~(0xffffffff & (1<< (index&0x1f)));
13536 + toe_connection_bits[index>>5] = toe_connection_bits[index>>5] & mask;
13537 +}
13538 +
13539 +/*---------------------------------------------------------------------------
13540 + * update_timer
13541 + *-------------------------------------------------------------------------*/
13542 +void update_timer(struct toe_conn* connection)
13543 +{
13544 +// if (time_before(jiffies, connection->last_rx_jiffies+3))
13545 +// if ((jiffies + 0xffffffff - connection->last_rx_jiffies) & 0x3)
13546 +// if (connection->last_rx_jiffies > jiffies)
13547 +// printk("%s::jif %g, last_rx_jif %g\n", __func__, jiffies, connection->last_rx_jiffies);
13548 +/* if ((long)(jiffies + 2)< 3) { // overflow...
13549 + printk("%s::jiffies %x\n", __func__, jiffies);
13550 + } */
13551 +// if ((long)(jiffies - connection->last_rx_jiffies)< 2)
13552 +// return;
13553 + connection->last_rx_jiffies = jiffies;
13554 + // gary chen mod_timer(&connection->rx_timer, jiffies+2);
13555 + connection->rx_timer.expires = jiffies + 2;
13556 + add_timer(&connection->rx_timer);
13557 +// printk("%s::nt %x, lj %x\n", __func__, (jiffies+2), connection->last_rx_jiffies);
13558 +}
13559 +
13560 +/*---------------------------------------------------------------------------
13561 + * gen_pure_ack
13562 + *-------------------------------------------------------------------------*/
13563 +struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr,
13564 +INTR_QHDR_T *intr_curr_desc)
13565 +{
13566 + struct sk_buff *skb;
13567 + struct iphdr *ip_hdr;
13568 + struct tcphdr *tcp_hdr;
13569 + struct ethhdr *eth_hdr;
13570 +
13571 + if ((skb= dev_alloc_skb(RX_BUF_SIZE))==NULL) {
13572 + printk("%s::alloc pure ack fail!\n", __func__);
13573 + return NULL;
13574 + }
13575 + skb_reserve(skb, RX_INSERT_BYTES);
13576 + memset(skb->data, 0, 60);
13577 +
13578 + eth_hdr = (struct ethhdr*)&(skb->data[0]);
13579 + memcpy(eth_hdr, &connection->l2_hdr, sizeof(struct ethhdr));
13580 +
13581 + ip_hdr = (struct iphdr*)&(skb->data[14]);
13582 + ip_hdr->version = connection->ip_ver;
13583 + ip_hdr->ihl = 20>>2;
13584 + ip_hdr->tot_len = ntohs(40);
13585 + ip_hdr->frag_off = htons(IP_DF);
13586 + ip_hdr->ttl = 128;
13587 + ip_hdr->protocol = 0x06;
13588 + ip_hdr->saddr = connection->saddr[0];
13589 + ip_hdr->daddr = connection->daddr[0];
13590 +// printk("%s ip sa %x, da %x\n",
13591 +// __func__, ntohl(ip_hdr->saddr), ntohl(ip_hdr->daddr));
13592 +
13593 + tcp_hdr = (struct tcphdr*)&(skb->data[34]);
13594 + tcp_hdr->source = connection->source;
13595 + tcp_hdr->dest = connection->dest;
13596 + if (intr_curr_desc) {
13597 + tcp_hdr->seq = htonl(intr_curr_desc->word2.seq_num);
13598 + tcp_hdr->ack_seq = htonl(intr_curr_desc->word3.ack_num);
13599 + tcp_hdr->window = htons(intr_curr_desc->word0.bits.win_size);
13600 + } else {
13601 + tcp_hdr->seq = htonl(toe_qhdr->word3.seq_num);
13602 + tcp_hdr->ack_seq = htonl(toe_qhdr->word4.ack_num);
13603 + tcp_hdr->window = htons(toe_qhdr->word6.bits.WinSize);
13604 + }
13605 + tcp_hdr->ack = 1;
13606 + tcp_hdr->doff = 20 >> 2;
13607 +#if 0
13608 + if (!intr_curr_desc) {
13609 + unsigned char byte;
13610 + for (i=0; i<20; i++) {
13611 + byte = skb->data[34+i];
13612 + printk("%x ", byte);
13613 + }
13614 + printk("\n");
13615 + }
13616 +#endif
13617 + TCP_SKB_CB(skb)->connection = connection;
13618 + return skb;
13619 +}
13620 +
13621 +/*---------------------------------------------------------------------------
13622 + * connection_rx_timer
13623 + *-------------------------------------------------------------------------*/
13624 +void connection_rx_timer(unsigned long *data)
13625 +{
13626 + struct toe_conn *connection = (struct toe_conn*)data;
13627 + unsigned int tcp_qid, toeq_wptr;
13628 + unsigned int pkt_size, desc_count;
13629 + struct sk_buff *skb;
13630 + GMAC_RXDESC_T *toe_curr_desc;
13631 + TOE_QHDR_T *toe_qhdr;
13632 + struct net_device *dev;
13633 + unsigned long conn_flags;
13634 + DMA_RWPTR_T toeq_rwptr;
13635 + unsigned short timeout_descs;
13636 +
13637 + if (in_toe_isr)
13638 + printk("%s::in_toe_isr=%d!\n", __func__, in_toe_isr);
13639 +
13640 + if (connection) {
13641 + /* should we disable gmac interrupt first? */
13642 + if (!connection->gmac)
13643 + printk("%s::conn gmac %x!\n", __func__, (u32)connection->gmac);
13644 + local_irq_save(conn_flags);
13645 + if (!spin_trylock(&connection->conn_lock)) {
13646 + local_irq_restore(conn_flags);
13647 + // timer should be updated by the toeq isr. So no need to update here.
13648 + printk("%s::conn_lock is held by ISR!\n", __func__);
13649 + return;
13650 + }
13651 + disable_irq(connection->gmac->irq);
13652 +
13653 + /* disable hash entry and get toeq desc. */
13654 + hash_set_valid_flag(connection->hash_entry_index, 0);
13655 + do{} while(0); /* wait until HW finish */
13656 +
13657 + dev = connection->dev;
13658 + if (!dev)
13659 + printk("%s::conn dev NULL!\n", __func__);
13660 + tcp_qid = connection->qid;
13661 + toe_qhdr = (TOE_QHDR_T *)(TOE_TOE_QUE_HDR_BASE +
13662 + tcp_qid * sizeof(TOE_QHDR_T));
13663 + toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
13664 + toeq_wptr = toe_qhdr->word1.bits.wptr;
13665 + timeout_descs = toeq_wptr - toeq_rwptr.bits.rptr;
13666 +
13667 + if (toeq_rwptr.bits.rptr == toeq_wptr) {
13668 + if (toe_qhdr->word5.bits32) {
13669 + // shall we check toe_qhdr->word2.bits?
13670 + skb = gen_pure_ack(connection, toe_qhdr, (INTR_QHDR_T *)NULL);
13671 + skb_put(skb, 54);
13672 + skb->dev = connection->dev;
13673 + skb->ip_summed = CHECKSUM_UNNECESSARY;
13674 + skb->protocol = eth_type_trans(skb, connection->dev);
13675 + netif_rx(skb);
13676 + connection->dev->last_rx = jiffies;
13677 + }
13678 + } else {
13679 + while (toeq_rwptr.bits.rptr != toeq_rwptr.bits.wptr) {
13680 + /* we just simply send those packets to tcp? */
13681 + toe_curr_desc = (GMAC_RXDESC_T*)(toe_private_data.toe_desc_base[tcp_qid]
13682 + + toeq_rwptr.bits.rptr * sizeof(GMAC_RXDESC_T));
13683 + connection->curr_desc = toe_curr_desc;
13684 + if (toe_curr_desc->word3.bits.ctrl_flag) {
13685 + printk("%s::ctrl flag! %x, conn rptr %d, to %d, jif %x, conn_jif %x\n",
13686 + __func__, toe_curr_desc->word3.bits32,
13687 + connection->toeq_rwptr.bits.rptr, timeout_descs,
13688 + (u32)jiffies, (u32)connection->last_rx_jiffies);
13689 + }
13690 + desc_count = toe_curr_desc->word0.bits.desc_count;
13691 + pkt_size = toe_curr_desc->word1.bits.byte_count;
13692 + consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
13693 + PCI_DMA_FROMDEVICE);
13694 + skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
13695 + SKB_RESERVE_BYTES));
13696 + _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x02);
13697 + connection->curr_rx_skb = skb;
13698 + skb_reserve(skb, RX_INSERT_BYTES);
13699 + skb_put(skb, pkt_size);
13700 + skb->dev = dev;
13701 + skb->protocol = eth_type_trans(skb, dev);
13702 + {
13703 + struct iphdr* ip_hdr = (struct iphdr*)&(skb->data[0]);
13704 + if (toe_curr_desc->word3.bits.ctrl_flag)
13705 + printk("%s::ip id %x\n", __func__, ntohs(ip_hdr->id));
13706 + }
13707 + skb->ip_summed = CHECKSUM_UNNECESSARY;
13708 +
13709 + netif_rx(skb);
13710 + dev->last_rx = jiffies;
13711 +#if 0
13712 + if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
13713 + printk("%s::alloc buf fail!\n", __func__);
13714 + }
13715 + *(unsigned int*)(skb->data) = (unsigned int)skb;
13716 + connection->curr_rx_skb = skb;
13717 + skb_reserve(skb, SKB_RESERVE_BYTES);
13718 + spin_lock_irqsave(&connection->gmac->rx_mutex, flags);
13719 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
13720 + if (toe_private_data.fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
13721 + mac_stop_txdma((struct net_device*)connection->dev);
13722 + spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
13723 + while(1);
13724 + }
13725 + fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base + fq_rwptr.bits.wptr;
13726 + fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
13727 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
13728 + SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
13729 + toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32;
13730 + spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
13731 +#endif
13732 +// spin_lock_irqsave(&connection->gmac->rx_mutex, flags);
13733 + toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
13734 + SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
13735 +// spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
13736 + connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
13737 + }
13738 + toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
13739 +// toe_gmac_fill_free_q();
13740 + }
13741 + connection->last_rx_jiffies = jiffies;
13742 + if (connection->status != TCP_CONN_CLOSED)
13743 + mod_timer(&connection->rx_timer, jiffies+2);
13744 + if (connection->status != TCP_CONN_ESTABLISHED)
13745 + printk("%s::conn status %x\n", __func__, connection->status);
13746 + hash_set_valid_flag(connection->hash_entry_index, 1);
13747 + enable_irq(connection->gmac->irq);
13748 + // Gary Chen spin_unlock_irqrestore(&connection->conn_lock, conn_flags);
13749 + }
13750 +}
13751 +
13752 +/*---------------------------------------------------------------------------
13753 + * free_toeq_descs
13754 + *-------------------------------------------------------------------------*/
13755 +void free_toeq_descs(int qid, TOE_INFO_T *toe)
13756 +{
13757 + void *desc_ptr;
13758 +
13759 + desc_ptr = (void*)toe->toe_desc_base[qid];
13760 + pci_free_consistent(NULL, TOE_TOE_DESC_NUM*sizeof(GMAC_RXDESC_T), desc_ptr,
13761 + (dma_addr_t)toe->toe_desc_base_dma[qid]);
13762 + toe->toe_desc_base[qid] = 0;
13763 +}
13764 +
13765 +/*---------------------------------------------------------------------------
13766 + * set_toeq_hdr
13767 + *-------------------------------------------------------------------------*/
13768 +void set_toeq_hdr(struct toe_conn* connection, TOE_INFO_T* toe, struct net_device *dev)
13769 +{
13770 + volatile TOE_QHDR_T *toe_qhdr;
13771 + volatile unsigned int toeq_wptr; // toeq_rptr
13772 + volatile GMAC_RXDESC_T *toe_curr_desc;
13773 + struct sk_buff *skb;
13774 + unsigned int pkt_size;
13775 + DMA_RWPTR_T toeq_rwptr;
13776 +
13777 + if (connection->status == TCP_CONN_CLOSING) {
13778 + connection->status = TCP_CONN_CLOSED;
13779 + hash_set_valid_flag(connection->hash_entry_index, 0);
13780 + // remove timer first.
13781 + // del_timer_sync(&(connection->rx_timer));
13782 + // check if any queued frames last time.
13783 + toe_qhdr = (volatile TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
13784 + toe_qhdr += connection->qid;
13785 + toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
13786 +
13787 + //toeq_rptr = toe_qhdr->word1.bits.rptr;
13788 + toeq_wptr = toe_qhdr->word1.bits.wptr;
13789 + while (toeq_rwptr.bits.rptr != toeq_wptr) {
13790 + printk("%s::pending frames in TOE Queue before closing!\n", __func__);
13791 + toe_curr_desc = (GMAC_RXDESC_T*)(toe->toe_desc_base[connection->qid] +
13792 + toe_qhdr->word1.bits.rptr*sizeof(GMAC_RXDESC_T));
13793 + connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
13794 + pkt_size = toe_curr_desc->word1.bits.byte_count;
13795 + consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
13796 + PCI_DMA_FROMDEVICE);
13797 + skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) -
13798 + SKB_RESERVE_BYTES));
13799 + _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x03);
13800 + connection->curr_rx_skb = skb;
13801 + skb_reserve(skb, RX_INSERT_BYTES);
13802 + skb_put(skb, pkt_size);
13803 + skb->dev = connection->dev;
13804 + skb->protocol = eth_type_trans(skb, connection->dev);
13805 + skb->ip_summed = CHECKSUM_UNNECESSARY;
13806 + netif_rx(skb);
13807 + connection->dev->last_rx = jiffies;
13808 +
13809 + toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
13810 + SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
13811 + }
13812 + free_toeq_descs(connection->qid, toe);
13813 + // shall we re-fill free queue?
13814 +
13815 + reset_connection_index(connection->qid);
13816 + //memset(connection, 0, sizeof(struct toe_conn));
13817 + printk(" del timer and close connection %x, qid %d\n", (u32)connection, connection->qid);
13818 + return;
13819 + }
13820 + /* enable or setup toe queue header */
13821 + if (connection->status == TCP_CONN_CONNECTING && storlink_ctl.rx_max_pktsize) {
13822 + volatile TOE_QHDR_T *qhdr;
13823 + int iq_id;
13824 + connection->status = TCP_CONN_ESTABLISHED;
13825 + qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE +
13826 + connection->qid * sizeof(TOE_QHDR_T));
13827 +
13828 + iq_id = get_interrupt_queue_id(connection->qid);
13829 + connection->dev = dev;
13830 + connection->gmac = dev->priv;
13831 + connection->toeq_rwptr.bits32 = 0;
13832 +
13833 +// qhdr->word6.bits.iq_num = iq_id;
13834 + qhdr->word6.bits.MaxPktSize = (connection->max_pktsize)>>2; // in word.
13835 + qhdr->word7.bits.AckThreshold = connection->ack_threshold;
13836 + qhdr->word7.bits.SeqThreshold = connection->seq_threshold;
13837 +
13838 + // init timer.
13839 +#if 1
13840 + init_timer(&connection->rx_timer);
13841 + connection->rx_timer.expires = jiffies + 5;
13842 + connection->rx_timer.data = (unsigned long)connection;
13843 + connection->rx_timer.function = (void *)&connection_rx_timer;
13844 + add_timer(&connection->rx_timer);
13845 + connection->last_rx_jiffies = jiffies;
13846 + printk("init_timer %x\n", (u32)jiffies);
13847 +#endif
13848 + hash_set_valid_flag(connection->hash_entry_index, 1);
13849 + return;
13850 + } else {
13851 + printk("%s::conn status %x, rx_pktsize %d\n",
13852 + __func__, connection->status, storlink_ctl.rx_max_pktsize);
13853 + }
13854 +}
13855 +
13856 +/*---------------------------------------------------------------------------
13857 + * get_connection_index
13858 + * get_connection_index will find an available index for the connection,
13859 + * when allocate a new connection is needed.
13860 + * we find available Qid from AV bits and write to hash_table, so that when RxTOE
13861 + * packet is received, sw_id from ToeQ descriptor is also the Qid of conneciton Q.
13862 + *-------------------------------------------------------------------------*/
13863 +int get_connection_index(void)
13864 +{
13865 + int i=0, j=0, index=-1;
13866 + __u32 connection_bits;
13867 +
13868 + for (i = 0; i< TOE_TOE_QUEUE_NUM/32; i++) {
13869 + connection_bits = ~(toe_connection_bits[i]);
13870 + if (connection_bits == 0)
13871 + // all 32 bits are used.
13872 + continue;
13873 +
13874 + for (j=0; j<32; j++) {
13875 + if (connection_bits & 0x01) {
13876 + index = i*32 + j;
13877 + return index;
13878 + }
13879 + connection_bits = connection_bits >> 1;
13880 + }
13881 + }
13882 + return index;
13883 +}
13884 +
13885 +/*---------------------------------------------------------------------------
13886 + * set_toe_connection
13887 + *-------------------------------------------------------------------------*/
13888 +void set_toe_connection(int index, int val)
13889 +{
13890 + if (val) {
13891 + toe_connection_bits[index/32] |= (1<<(index%32));
13892 + } else {
13893 + toe_connection_bits[index/32] &= (~(1<<(index%32)));
13894 + }
13895 +}
13896 +
13897 +/*---------------------------------------------------------------------------
13898 + * sl351x_get_toe_conn_flag
13899 + *-------------------------------------------------------------------------*/
13900 +int sl351x_get_toe_conn_flag(int index)
13901 +{
13902 + if (index < TOE_TOE_QUEUE_NUM)
13903 + return (toe_connection_bits[index/32] & (1 << (index %32)));
13904 + else
13905 + return 0;
13906 +}
13907 +
13908 +/*---------------------------------------------------------------------------
13909 + * sl351x_get_toe_conn_info
13910 + *-------------------------------------------------------------------------*/
13911 +struct toe_conn * sl351x_get_toe_conn_info(int index)
13912 +{
13913 + if (index < TOE_TOE_QUEUE_NUM)
13914 + return (struct toe_conn *)&toe_connections[index];
13915 + else
13916 + return NULL;
13917 +}
13918 +
13919 +/*---------------------------------------------------------------------------
13920 + * create_sw_toe_connection
13921 + *-------------------------------------------------------------------------*/
13922 +struct toe_conn* create_sw_toe_connection(int qid, int ip_ver, void* ip_hdr,
13923 + struct tcphdr* tcp_hdr)
13924 +{
13925 + struct toe_conn* connection = &(toe_connections[qid]);
13926 +
13927 + connection->ip_ver = (__u8)ip_ver;
13928 + connection->qid = (__u8)qid;
13929 + connection->source = (__u16)tcp_hdr->source;
13930 + connection->dest = (__u16)tcp_hdr->dest;
13931 + if (ip_ver == 4) {
13932 + struct iphdr* iph = (struct iphdr*) ip_hdr;
13933 + connection->saddr[0] = (__u32)iph->saddr;
13934 + connection->daddr[0] = (__u32)iph->daddr;
13935 +// printk("%s::saddr %x, daddr %x\n", __func__,
13936 +// ntohl(connection->saddr[0]), ntohl(connection->daddr[0]));
13937 + } else if (ip_ver == 6) {
13938 + struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
13939 + int i=0;
13940 + for (i=0; i<4; i++) {
13941 + connection->saddr[i] = (__u32)iph->saddr.in6_u.u6_addr32[i];
13942 + connection->daddr[i] = (__u32)iph->daddr.in6_u.u6_addr32[i];
13943 + }
13944 + }
13945 + connection->status = TCP_CONN_CREATION;
13946 + return connection;
13947 +}
13948 +
13949 +/*---------------------------------------------------------------------------
13950 + * fill_toeq_buf
13951 + *-------------------------------------------------------------------------*/
13952 +int fill_toeq_buf(int index, TOE_INFO_T* toe)
13953 +{
13954 + volatile TOE_QHDR_T *qhdr;
13955 + //struct toe_conn* connection;
13956 + GMAC_RXDESC_T *desc_ptr;
13957 +
13958 + if (!toe->toe_desc_base[index]) {
13959 + // first time. init.
13960 + desc_ptr = (GMAC_RXDESC_T*)(pci_alloc_consistent(NULL, TOE_TOE_DESC_NUM
13961 + *sizeof(GMAC_RXDESC_T), (dma_addr_t*)&toe->toe_desc_base_dma[index]));
13962 +
13963 + toe->toe_desc_num = TOE_TOE_DESC_NUM;
13964 + toe->toe_desc_base[index] = (unsigned int)desc_ptr;
13965 + }
13966 + qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE +
13967 + index*sizeof(TOE_QHDR_T));
13968 + //connection = (struct toe_conn*)&(toe_connections[index]);
13969 +
13970 + qhdr->word0.base_size = ((unsigned int)toe->toe_desc_base_dma[index]&TOE_QHDR0_BASE_MASK)
13971 + | TOE_TOE_DESC_POWER;
13972 + qhdr->word1.bits32 = 0;
13973 + qhdr->word2.bits32 = 0;
13974 + qhdr->word3.bits32 = 0;
13975 + qhdr->word4.bits32 = 0;
13976 + qhdr->word5.bits32 = 0;
13977 + return 1;
13978 +}
13979 +
13980 +/*---------------------------------------------------------------------------
13981 + * create_toe_hash_entry_smb
13982 + * add SMB header in hash entry.
13983 + *-------------------------------------------------------------------------*/
13984 +int create_toe_hash_entry_smb(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr,
13985 + int sw_id)
13986 +{
13987 + HASH_ENTRY_T hash_entry, *entry;
13988 + int hash_entry_index;
13989 + int i;
13990 +
13991 + entry = (HASH_ENTRY_T*)&hash_entry;
13992 + memset((void*)entry, 0, sizeof(HASH_ENTRY_T));
13993 + entry->rule = 0;
13994 +
13995 + /* enable fields of hash key */
13996 + entry->key_present.ip_protocol = 1;
13997 + entry->key_present.sip = 1;
13998 + entry->key_present.dip = 1;
13999 + entry->key_present.l4_bytes_0_3 = 1; // src port and dest port
14000 + entry->key_present.l7_bytes_0_3 = 0; // do we need to enable NETBIOS? how?
14001 + entry->key_present.l7_bytes_4_7 = 1; // "SMB" header
14002 +
14003 + /* hash key */
14004 + entry->key.ip_protocol = IPPROTO_TCP;
14005 + if (ip_ver == 4) {
14006 + struct iphdr *iph = (struct iphdr*)ip_hdr;
14007 + memcpy(entry->key.sip, &iph->saddr, 4);
14008 + memcpy(entry->key.dip, &iph->daddr, 4);
14009 + } else if (ip_ver == 6) {
14010 + struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
14011 + for (i=0; i<4; i++) {
14012 + memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4);
14013 + memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4);
14014 + }
14015 + }
14016 + *(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source;
14017 + *(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest;
14018 +
14019 + entry->key.l7_bytes[4] = 0xff;
14020 + entry->key.l7_bytes[5] = 0x53;
14021 + entry->key.l7_bytes[6] = 0x4d;
14022 + entry->key.l7_bytes[7] = 0x42;
14023 +
14024 + /* action of hash entry match */
14025 + entry->action.sw_id = 1;
14026 + entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id);
14027 + entry->action.srce_qid = 0;
14028 + hash_entry_index = hash_add_toe_entry(entry);
14029 +
14030 + return hash_entry_index;
14031 +}
14032 +
14033 +// best performance of tcp streaming.
14034 +/*---------------------------------------------------------------------------
14035 + * create_toe_hash_entry_smb
14036 + * add SMB header in hash entry.
14037 + *-------------------------------------------------------------------------*/
14038 +int create_toe_hash_entry_ftp(int ip_ver, void* ip_hdr, struct tcphdr* tcphdr)
14039 +{
14040 + return 0;
14041 +}
14042 +
14043 +// is hash entry for nfs needed?
14044 +
14045 +/*
14046 + * Create a TOE hash entry by given ip addresses and tcp port numbers.
14047 + * hash entry index will be saved in sw connection.
14048 + */
14049 +/*---------------------------------------------------------------------------
14050 + * create_toe_hash_entry
14051 + *-------------------------------------------------------------------------*/
14052 +int create_toe_hash_entry(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr, int sw_id)
14053 +{
14054 + HASH_ENTRY_T hash_entry, *entry;
14055 +// unsigned long hash_key[HASH_MAX_DWORDS];
14056 + int hash_entry_index;
14057 +
14058 + entry = (HASH_ENTRY_T*) &hash_entry;
14059 + memset((void*)entry, 0, sizeof(HASH_ENTRY_T));
14060 + entry->rule = 0;
14061 + /* enable fields of hash key */
14062 + entry->key_present.ip_protocol = 1;
14063 + entry->key_present.sip = 1;
14064 + entry->key_present.dip = 1;
14065 + entry->key_present.l4_bytes_0_3 = 1; // src port and dest port
14066 +
14067 + /* hash key */
14068 + entry->key.ip_protocol = IPPROTO_TCP;
14069 + if (ip_ver == 4) {
14070 + // key of ipv4
14071 + struct iphdr* iph = (struct iphdr*)ip_hdr;
14072 + memcpy(entry->key.sip, &iph->saddr, 4);
14073 + memcpy(entry->key.dip, &iph->daddr, 4);
14074 + } else if (ip_ver == 6) {
14075 + // key of ipv6
14076 + int i=0;
14077 + struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
14078 + for (i=0; i<4; i++) {
14079 + memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4);
14080 + memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4);
14081 + }
14082 + }
14083 + *(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source;
14084 + *(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest;
14085 + // is it necessary to write ip version to hash key?
14086 +
14087 + /* action of hash entry match */
14088 + entry->action.sw_id = 1;
14089 + entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id);
14090 + entry->action.srce_qid = 0; // 0 for SW FreeQ. 1 for HW FreeQ.
14091 + hash_entry_index = hash_add_toe_entry(entry);
14092 +// printk("\n%s. sw_id %d, hash_entry index %x\n",
14093 +// __func__, TOE_TOE_QID(sw_id), hash_entry_index);
14094 + return hash_entry_index;
14095 +}
14096 +
14097 +/*---------------------------------------------------------------------------
14098 + * init_toeq
14099 + * 1. Reserve a TOE Queue id first, to get the sw toe_connection.
14100 + * 2. Setup the hash entry with given iphdr and tcphdr, save hash entry index
14101 + * in sw toe_connection.
14102 + * 3. Prepare sw toe_connection and allocate buffers.
14103 + * 4. Validate hash entry.
14104 + *-------------------------------------------------------------------------*/
14105 +struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr,
14106 + TOE_INFO_T* toe, unsigned char* l2hdr)
14107 +{
14108 +// printk("\t*** %s, ipver %d\n", __func__, ipver);
14109 + int qid=-1;
14110 + struct toe_conn* connection;
14111 + int hash_entry_index;
14112 + // int i=0;
14113 + unsigned short dest_port = ntohs(tcp_hdr->dest);
14114 +
14115 + if (dest_port == 445) {
14116 + printk("%s::SMB/CIFS connection\n", __func__);
14117 + } else if (dest_port == 20) {
14118 + printk("%s::ftp-data connection\n", __func__);
14119 + } else if (dest_port == 2049) {
14120 + printk("%s::nfs daemon connection\n", __func__);
14121 + }
14122 + qid = get_connection_index();
14123 + if (qid<0)
14124 + return 0; // setup toeq failure
14125 + set_toe_connection(qid, 1); // reserve this sw toeq.
14126 +
14127 + //connection = (struct toe_conn*)&(toe_connections[qid]);
14128 + hash_entry_index = create_toe_hash_entry(ipver, iph, tcp_hdr, qid);
14129 + if (hash_entry_index <0) {
14130 + printk("%s::release toe hash entry!\n", __func__);
14131 + set_toe_connection(qid, 0); // release this sw toeq.
14132 + return 0;
14133 + }
14134 + connection = create_sw_toe_connection(qid, ipver, iph, tcp_hdr);
14135 + connection->hash_entry_index = (__u16) hash_entry_index;
14136 +
14137 + fill_toeq_buf(qid, toe);
14138 + memcpy(&connection->l2_hdr, l2hdr, sizeof(struct ethhdr));
14139 + spin_lock_init(&connection->conn_lock);
14140 +
14141 + return connection;
14142 +}
14143 +
14144 +#if 0
14145 +/*----------------------------------------------------------------------
14146 +* toe_init_toe_queue
14147 +* (1) Initialize the TOE Queue Header
14148 +* Register: TOE_TOE_QUE_HDR_BASE (0x60003000)
14149 +* (2) Initialize Descriptors of TOE Queues
14150 +*----------------------------------------------------------------------*/
14151 +void toe_init_toe_queue(TOE_INFO_T* toe)
14152 +{
14153 +}
14154 +EXPORT_SYMBOL(toe_init_toe_queue);
14155 +#endif
14156 +
14157 +/*---------------------------------------------------------------------------
14158 + * dump_jumbo_skb
14159 + *-------------------------------------------------------------------------*/
14160 +void dump_jumbo_skb(struct jumbo_frame *jumbo_skb)
14161 +{
14162 + if (jumbo_skb->skb0) {
14163 +// printk("%s. jumbo skb %x, len %d\n",
14164 +// __func__, jumbo_skb->skb0->data, jumbo_skb->skb0->len);
14165 + netif_rx(jumbo_skb->skb0);
14166 + }
14167 + jumbo_skb->skb0 = 0;
14168 + jumbo_skb->tail = 0;
14169 + jumbo_skb->iphdr0 = 0;
14170 + jumbo_skb->tcphdr0 = 0;
14171 +}
14172 +
14173 +/* ---------------------------------------------------------------------
14174 + * Append skb to skb0. skb0 is the jumbo frame that will be passed to
14175 + * kernel tcp.
14176 + * --------------------------------------------------------------------*/
14177 +void rx_append_skb(struct jumbo_frame *jumbo_skb, struct sk_buff* skb, int payload_len)
14178 +{
14179 + struct iphdr* iphdr0 = (struct iphdr*)&(skb->data[0]);
14180 + int ip_hdrlen = iphdr0->ihl << 2;
14181 + struct tcphdr* tcphdr0 = (struct tcphdr*)&(skb->data[ip_hdrlen]);
14182 +
14183 + if (!jumbo_skb->skb0) {
14184 + // head of the jumbo frame.
14185 + jumbo_skb->skb0 = skb;
14186 + jumbo_skb->tail = 0;
14187 + jumbo_skb->iphdr0 = iphdr0;
14188 + jumbo_skb->tcphdr0 = tcphdr0;
14189 + } else {
14190 + if (!jumbo_skb->tail)
14191 + skb_shinfo(jumbo_skb->skb0)->frag_list = skb;
14192 + else
14193 + (jumbo_skb->tail)->next = skb;
14194 + jumbo_skb->tail = skb;
14195 +
14196 + // do we need to change truesize as well?
14197 + jumbo_skb->skb0->len += payload_len;
14198 + jumbo_skb->skb0->data_len += payload_len;
14199 +
14200 + jumbo_skb->iphdr0->tot_len = htons(ntohs(jumbo_skb->iphdr0->tot_len)+payload_len);
14201 + jumbo_skb->tcphdr0->ack_seq = tcphdr0->ack_seq;
14202 + jumbo_skb->tcphdr0->window = tcphdr0->window;
14203 +
14204 + skb->len += payload_len;
14205 + skb->data_len = 0;
14206 + skb->data += ntohs(iphdr0->tot_len) - payload_len;
14207 + }
14208 +}
14209 +
14210 +/*----------------------------------------------------------------------
14211 +* toe_gmac_handle_toeq
14212 +* (1) read interrupt Queue to get TOE Q.
14213 +* (2) get packet fro TOE Q and send to upper layer handler.
14214 +* (3) allocate new buffers and put to TOE Q. Intr Q buffer is recycled.
14215 +*----------------------------------------------------------------------*/
14216 +void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status)
14217 +{
14218 + //volatile INTRQ_INFO_T *intrq_info;
14219 + //TOEQ_INFO_T *toeq_info;
14220 + volatile NONTOE_QHDR_T *intr_qhdr;
14221 + volatile TOE_QHDR_T *toe_qhdr;
14222 + volatile INTR_QHDR_T *intr_curr_desc;
14223 + TOE_INFO_T *toe = &toe_private_data;
14224 +
14225 + volatile GMAC_RXDESC_T *toe_curr_desc; // , *fq_desc;// *tmp_desc;
14226 + volatile DMA_RWPTR_T intr_rwptr, toeq_rwptr; // fq_rwptr;
14227 +
14228 + unsigned int pkt_size, desc_count, tcp_qid;
14229 + volatile unsigned int toeq_wptr;
14230 + struct toe_conn* connection;
14231 + int i, frag_id = 0;
14232 + // unsigned long toeq_flags;
14233 + struct jumbo_frame jumbo_skb;
14234 + struct sk_buff *skb;
14235 + __u32 interrupt_status;
14236 +
14237 + in_toe_isr++;
14238 +
14239 + interrupt_status = status >> 24;
14240 + // get interrupt queue header
14241 + intr_qhdr = (volatile NONTOE_QHDR_T*)TOE_INTR_Q_HDR_BASE;
14242 + memset(&jumbo_skb, 0, sizeof(struct jumbo_frame));
14243 +
14244 + for (i=0; i<TOE_INTR_QUEUE_NUM; i++, intr_qhdr++) {
14245 + if (!(interrupt_status & 0x0001)) {
14246 + // no interrupt of this IntQ
14247 + interrupt_status = interrupt_status >> 1;
14248 + continue;
14249 + }
14250 + interrupt_status = interrupt_status >> 1;
14251 + intr_rwptr.bits32 = readl(&intr_qhdr->word1);
14252 +
14253 + while ( intr_rwptr.bits.rptr != intr_rwptr.bits.wptr) {
14254 + int max_pktsize = 1;
14255 + // get interrupt queue descriptor.
14256 + intr_curr_desc = (INTR_QHDR_T*)toe->intr_desc_base +
14257 + i* TOE_INTR_DESC_NUM + intr_rwptr.bits.rptr;
14258 +// printk("%s::int %x\n", __func__, intr_curr_desc->word1.bits32);
14259 + // get toeq id
14260 + tcp_qid = (u8)intr_curr_desc->word1.bits.tcp_qid - (u8)TOE_TOE_QID(0);
14261 + // get toeq queue header
14262 + toe_qhdr = (volatile TOE_QHDR_T*) TOE_TOE_QUE_HDR_BASE;
14263 + toe_qhdr += tcp_qid;
14264 + connection = &toe_connections[tcp_qid];
14265 + del_timer(&connection->rx_timer);
14266 + // Gary Chen spin_lock_irqsave(&connection->conn_lock, toeq_flags);
14267 + // handling interrupts of this TOE Q.
14268 + if (intr_curr_desc->word1.bits.ctl || intr_curr_desc->word1.bits.osq ||
14269 + intr_curr_desc->word1.bits.abn)
14270 + max_pktsize = 0;
14271 + if (!max_pktsize || intr_curr_desc->word1.bits.TotalPktSize) {
14272 + desc_count=0;
14273 + // wptr in intl queue is where this TOE interrupt should stop.
14274 + toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
14275 + toeq_wptr = intr_curr_desc->word0.bits.wptr;
14276 + if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr)
14277 + printk("conn rptr %d, hw rptr %d\n",
14278 + connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr);
14279 +
14280 + if (intr_curr_desc->word1.bits.ctl &&
14281 + (toeq_rwptr.bits.rptr == toeq_wptr)) {
14282 + printk("\nctrl frame, but not in TOE queue! conn rptr %d, hw wptr %d\n",
14283 + connection->toeq_rwptr.bits.rptr, toeq_wptr);
14284 +// dump_toe_qhdr(toe_qhdr);
14285 +// dump_intrq_desc(intr_curr_desc);
14286 + }
14287 + // while (toeq_rwptr.bits.rptr != intr_curr_desc->word0.bits.wptr) {
14288 + while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) {
14289 + frag_id++;
14290 + toe_curr_desc = (volatile GMAC_RXDESC_T *)(toe->toe_desc_base[tcp_qid]
14291 + + toe_qhdr->word1.bits.rptr *sizeof(GMAC_RXDESC_T));
14292 + connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
14293 + desc_count = toe_curr_desc->word0.bits.desc_count;
14294 + pkt_size = toe_curr_desc->word1.bits.byte_count;
14295 + consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
14296 + PCI_DMA_FROMDEVICE);
14297 + skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
14298 + SKB_RESERVE_BYTES));
14299 + _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x01);
14300 + connection->curr_rx_skb = skb;
14301 + skb_reserve(skb, RX_INSERT_BYTES);
14302 + if ((skb->len + pkt_size) > (1514+16))
14303 + {
14304 + printk("skb->len=%d, pkt_size=%d\n",skb->len, pkt_size);
14305 + while(1);
14306 + }
14307 +
14308 + skb_put(skb, pkt_size);
14309 + skb->dev = dev;
14310 + skb->protocol = eth_type_trans(skb, dev);
14311 + skb->ip_summed = CHECKSUM_UNNECESSARY;
14312 +
14313 + if (toe_curr_desc->word3.bits32 & 0x1b000000)
14314 + dump_jumbo_skb(&jumbo_skb);
14315 +
14316 + rx_append_skb(&jumbo_skb, skb, pkt_size-toe_curr_desc->word3.bits.l7_offset);
14317 +// spin_lock_irqsave(&gmac_fq_lock, flags);
14318 + toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
14319 + SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
14320 +// spin_unlock_irqrestore(&gmac_fq_lock, flags);
14321 + if (storlink_ctl.fqint_threshold)
14322 + continue;
14323 +#if 0
14324 +//#if (HANDLE_FREEQ_METHOD == HANDLE_FREEQ_INDIVIDUAL)
14325 + if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
14326 + printk("%s::toe queue alloc buffer ", __func__);
14327 + }
14328 + *(unsigned int*)(skb->data) = (unsigned int)skb;
14329 + connection->curr_rx_skb = skb;
14330 + skb_reserve(skb, SKB_RESERVE_BYTES);
14331 +
14332 + spin_lock_irqsave(&gmac_fq_lock, flags);
14333 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
14334 + if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
14335 + printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32);
14336 + mac_stop_txdma((struct net_device*) tp->dev);
14337 + spin_unlock_irqrestore(&gmac_fq_lock, flags);
14338 + while(1);
14339 + }
14340 + fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr;
14341 + fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
14342 +
14343 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
14344 + SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
14345 + toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32;
14346 + spin_unlock_irqrestore(&gmac_fq_lock, flags);
14347 +#endif
14348 + } // end of this multi-desc.
14349 + dump_jumbo_skb(&jumbo_skb);
14350 + dev->last_rx = jiffies;
14351 + connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
14352 + } else if (intr_curr_desc->word1.bits.sat) {
14353 + toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
14354 + toeq_wptr = intr_curr_desc->word0.bits.wptr;
14355 + if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr)
14356 + printk("SAT. conn rptr %d, hw rptr %d\n",
14357 + connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr);
14358 +/*
14359 + printk("%s::SAT int!, ackcnt %x, seqcnt %x, rptr %d, wptr %d, ack %x, qhack %x\n",
14360 + __func__, intr_curr_desc->word4.bits.AckCnt, intr_curr_desc->word4.bits.SeqCnt,
14361 + toeq_rptr, toeq_wptr, intr_curr_desc->word3.ack_num, toe_qhdr->word4.ack_num);*/
14362 + /* pure ack */
14363 + if (toeq_rwptr.bits.rptr == toeq_wptr) {
14364 + if (intr_curr_desc->word4.bits32) {
14365 + skb = gen_pure_ack(connection, (TOE_QHDR_T *)toe_qhdr, (INTR_QHDR_T *)intr_curr_desc);
14366 + skb_put(skb, 60);
14367 + skb->dev = connection->dev;
14368 + skb->ip_summed = CHECKSUM_UNNECESSARY;
14369 + skb->protocol = eth_type_trans(skb, connection->dev);
14370 + netif_rx(skb);
14371 + } else
14372 + printk("%s::SAT Interrupt!. But cnt is 0!\n", __func__);
14373 + } else {
14374 + // while (toeq_rwptr.bits.rptr != toeq_wptr) {
14375 + while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) {
14376 + toe_curr_desc = (volatile GMAC_RXDESC_T*)(toe->toe_desc_base[tcp_qid]
14377 + + toe_qhdr->word1.bits.rptr * sizeof(GMAC_RXDESC_T));
14378 + connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
14379 + desc_count = toe_curr_desc->word0.bits.desc_count;
14380 + pkt_size = toe_curr_desc->word1.bits.byte_count;
14381 + consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
14382 + PCI_DMA_FROMDEVICE);
14383 + // if ( ((toeq_rwptr.bits.rptr +1)&(TOE_TOE_DESC_NUM-1)) == toeq_wptr) {
14384 + if ( RWPTR_ADVANCE_ONE(toe_qhdr->word1.bits.rptr, TOE_TOE_DESC_NUM) == toeq_wptr) {
14385 + skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) -
14386 + SKB_RESERVE_BYTES));
14387 + _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x04);
14388 + connection->curr_rx_skb = skb;
14389 + skb_reserve(skb, RX_INSERT_BYTES);
14390 + skb_put(skb, pkt_size);
14391 + skb->dev = dev;
14392 + skb->protocol = eth_type_trans(skb, dev);
14393 + skb->ip_summed = CHECKSUM_UNNECESSARY;
14394 + // printk("toeq_rptr %d, wptr %d\n", toeq_rptr, toeq_wptr);
14395 + netif_rx(skb);
14396 + dev->last_rx = jiffies;
14397 +/*
14398 + if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
14399 +
14400 + }
14401 + *(unsigned int*)(skb->data) = (unsigned int) skb;
14402 + skb_reserve(skb, SKB_RESERVE_BYTES); */
14403 + } else {
14404 + // reuse this skb, append to free queue..
14405 + skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
14406 + SKB_RESERVE_BYTES));
14407 + _debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x05);
14408 + connection->curr_rx_skb = skb;
14409 + dev_kfree_skb_irq(skb);
14410 + }
14411 +#if 0
14412 + spin_lock_irqsave(&gmac_fq_lock, flags);
14413 + fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
14414 +/* if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
14415 + printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32);
14416 + mac_stop_txdma((struct net_device*) tp->dev);
14417 + spin_unlock_irqrestore(&gmac_fq_lock, flags);
14418 + while(1);
14419 + } */
14420 + fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr;
14421 + fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
14422 +
14423 + fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
14424 + SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
14425 + toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32;
14426 + // spin_unlock_irqrestore(&gmac_fq_lock, flags);
14427 +#endif
14428 +// spin_lock_irqsave(&gmac_fq_lock, flags);
14429 + toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
14430 + SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
14431 +// spin_unlock_irqrestore(&gmac_fq_lock, flags);
14432 + }
14433 + } // end of ACK with options.
14434 + connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
14435 + // Gary Chen spin_unlock_irqrestore(&connection->conn_lock, toeq_flags);
14436 +// }
14437 + };
14438 + update_timer(connection);
14439 + // any protection against interrupt queue header?
14440 + intr_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(intr_rwptr.bits.rptr, TOE_INTR_DESC_NUM);
14441 + SET_RPTR(&intr_qhdr->word1, intr_rwptr.bits.rptr);
14442 + intr_rwptr.bits32 = readl(&intr_qhdr->word1);
14443 + toe_gmac_fill_free_q();
14444 + } // end of this interrupt Queue processing.
14445 + } // end of all interrupt Queues.
14446 +
14447 + in_toe_isr = 0;
14448 +}
14449 +
14450 +
14451 --- /dev/null
14452 +++ b/drivers/net/sl_lepus_hash.c
14453 @@ -0,0 +1,553 @@
14454 +/**************************************************************************
14455 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
14456 +*--------------------------------------------------------------------------
14457 +* Name : sl_lepus_hash.c
14458 +* Description :
14459 +* Handle Storlink Lepus Hash Functions
14460 +*
14461 +* History
14462 +*
14463 +* Date Writer Description
14464 +*----------------------------------------------------------------------------
14465 +* 03/13/2006 Gary Chen Create and implement
14466 +*
14467 +****************************************************************************/
14468 +#include <linux/module.h>
14469 +#include <linux/kernel.h>
14470 +#include <linux/compiler.h>
14471 +#include <linux/pci.h>
14472 +#include <linux/init.h>
14473 +#include <linux/ioport.h>
14474 +#include <linux/netdevice.h>
14475 +#include <linux/etherdevice.h>
14476 +#include <linux/rtnetlink.h>
14477 +#include <linux/delay.h>
14478 +#include <linux/ethtool.h>
14479 +#include <linux/mii.h>
14480 +#include <linux/completion.h>
14481 +#include <asm/hardware.h>
14482 +#include <asm/io.h>
14483 +#include <asm/irq.h>
14484 +#include <asm/semaphore.h>
14485 +#include <asm/arch/irqs.h>
14486 +#include <asm/arch/it8712.h>
14487 +#include <linux/mtd/kvctl.h>
14488 +#include <linux/skbuff.h>
14489 +#include <linux/ip.h>
14490 +#include <linux/tcp.h>
14491 +#include <linux/list.h>
14492 +#define MIDWAY
14493 +#define SL_LEPUS
14494 +
14495 +#include <asm/arch/sl2312.h>
14496 +#include <asm/arch/sl_lepus_gmac.h>
14497 +#include <asm/arch/sl_hash_cfg.h>
14498 +
14499 +#ifndef RXTOE_DEBUG
14500 +#define RXTOE_DEBUG
14501 +#endif
14502 +#undef RXTOE_DEBUG
14503 +
14504 +/*----------------------------------------------------------------------
14505 +* Definition
14506 +*----------------------------------------------------------------------*/
14507 +#define hash_printf printk
14508 +
14509 +#define HASH_TIMER_PERIOD (60*HZ) // seconds
14510 +#define HASH_ILLEGAL_INDEX 0xffff
14511 +
14512 +/*----------------------------------------------------------------------
14513 +* Variables
14514 +*----------------------------------------------------------------------*/
14515 +u32 hash_activate_bits[HASH_TOTAL_ENTRIES/32];
14516 +u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
14517 +char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
14518 +static struct timer_list hash_timer_obj;
14519 +LIST_HEAD(hash_timeout_list);
14520 +
14521 +/*----------------------------------------------------------------------
14522 +* Functions
14523 +*----------------------------------------------------------------------*/
14524 +void dm_long(u32 location, int length);
14525 +static void hash_timer_func(u32 data);
14526 +
14527 +/*----------------------------------------------------------------------
14528 +* hash_init
14529 +*----------------------------------------------------------------------*/
14530 +void hash_init(void)
14531 +{
14532 + int i;
14533 + volatile u32 *dp1, *dp2, dword;
14534 +
14535 + dp1 = (volatile u32 *) TOE_V_BIT_BASE;
14536 + dp2 = (volatile u32 *) TOE_A_BIT_BASE;
14537 +
14538 + for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
14539 + {
14540 + *dp1++ = 0;
14541 + dword = *dp2++; // read-clear
14542 + }
14543 + memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits));
14544 + memset((void *)&hash_tables, 0, sizeof(hash_tables));
14545 +
14546 + init_timer(&hash_timer_obj);
14547 + hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD;
14548 + hash_timer_obj.data = (unsigned long)&hash_timer_obj;
14549 + hash_timer_obj.function = (void *)&hash_timer_func;
14550 + add_timer(&hash_timer_obj);
14551 +
14552 +#if (HASH_MAX_BYTES == 128)
14553 + writel((unsigned long)__pa(&hash_tables) | 3, // 32 words
14554 + TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
14555 +#elif (HASH_MAX_BYTES == 64)
14556 + writel((unsigned long)__pa(&hash_tables) | 2, // 16 words
14557 + TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
14558 +#else
14559 + #error Incorrect setting for HASH_MAX_BYTES
14560 +#endif
14561 +
14562 +}
14563 +/*----------------------------------------------------------------------
14564 +* hash_add_entry
14565 +*----------------------------------------------------------------------*/
14566 +int hash_add_entry(HASH_ENTRY_T *entry)
14567 +{
14568 + int rc;
14569 + u32 key[HASH_MAX_DWORDS];
14570 + rc = hash_build_keys((u32 *)&key, entry);
14571 + if (rc < 0)
14572 + return -1;
14573 + hash_write_entry(entry, (unsigned char*) &key[0]);
14574 +// hash_set_valid_flag(entry->index, 1);
14575 +// printk("Dump hash key!\n");
14576 +// dump_hash_key(entry);
14577 + return entry->index;
14578 +}
14579 +
14580 +/*----------------------------------------------------------------------
14581 +* hash_set_valid_flag
14582 +*----------------------------------------------------------------------*/
14583 +void hash_set_valid_flag(int index, int valid)
14584 +{
14585 + register u32 reg32;
14586 +
14587 + reg32 = TOE_V_BIT_BASE + (index/32) * 4;
14588 +
14589 + if (valid)
14590 + {
14591 + writel(readl(reg32) | (1 << (index%32)), reg32);
14592 + }
14593 + else
14594 + {
14595 + writel(readl(reg32) & ~(1 << (index%32)), reg32);
14596 + }
14597 +}
14598 +
14599 +/*----------------------------------------------------------------------
14600 +* hash_set_nat_owner_flag
14601 +*----------------------------------------------------------------------*/
14602 +void hash_set_nat_owner_flag(int index, int valid)
14603 +{
14604 + if (valid)
14605 + {
14606 + hash_nat_owner_bits[index/32] |= (1 << (index % 32));
14607 + }
14608 + else
14609 + {
14610 + hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
14611 + }
14612 +}
14613 +
14614 +
14615 +/*----------------------------------------------------------------------
14616 +* hash_build_keys
14617 +*----------------------------------------------------------------------*/
14618 +int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry)
14619 +{
14620 + u32 data;
14621 + unsigned char *cp;
14622 + int i, j;
14623 + unsigned short index;
14624 + int total;
14625 +
14626 + memset((void *)destp, 0, HASH_MAX_BYTES);
14627 + cp = (unsigned char *)destp;
14628 +
14629 + if (entry->key_present.port || entry->key_present.Ethertype)
14630 + {
14631 + HASH_PUSH_WORD(cp, entry->key.Ethertype); // word 0
14632 + HASH_PUSH_BYTE(cp, entry->key.port); // Byte 2
14633 + HASH_PUSH_BYTE(cp, 0); // Byte 3
14634 + }
14635 + else
14636 + {
14637 + HASH_PUSH_DWORD(cp, 0);
14638 + }
14639 +
14640 + if (entry->key_present.da || entry->key_present.sa)
14641 + {
14642 + unsigned char mac[4];
14643 + if (entry->key_present.da)
14644 + {
14645 + for (i=0; i<4; i++)
14646 + HASH_PUSH_BYTE(cp, entry->key.da[i]);
14647 + }
14648 + mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
14649 + mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
14650 + mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
14651 + mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
14652 + data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
14653 + HASH_PUSH_DWORD(cp, data);
14654 + if (entry->key_present.sa)
14655 + {
14656 + for (i=2; i<6; i++)
14657 + HASH_PUSH_BYTE(cp, entry->key.sa[i]);
14658 + }
14659 + }
14660 +
14661 + if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
14662 + {
14663 + HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word
14664 + HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word
14665 + }
14666 + if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol)
14667 + {
14668 + HASH_PUSH_BYTE(cp, entry->key.ip_protocol); // Byte 0
14669 + HASH_PUSH_BYTE(cp, entry->key.ip_tos); // Byte 1
14670 + HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen); // Byte 2
14671 + HASH_PUSH_BYTE(cp, 0); // Byte 3
14672 + }
14673 +
14674 + if (entry->key_present.ipv6_flow_label)
14675 + {
14676 + HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label); // low word
14677 + }
14678 + if (entry->key_present.sip)
14679 + {
14680 + // input (entry->key.sip[i]) is network-oriented
14681 + // output (hash key) is host-oriented
14682 + for (i=3; i>=0; i--)
14683 + HASH_PUSH_BYTE(cp, entry->key.sip[i]);
14684 + if (entry->key.ipv6)
14685 + {
14686 + for (i=4; i<16; i+=4)
14687 + {
14688 + for (j=i+3; j>=i; j--)
14689 + HASH_PUSH_BYTE(cp, entry->key.sip[j]);
14690 + }
14691 + }
14692 + }
14693 + if (entry->key_present.dip)
14694 + {
14695 + // input (entry->key.sip[i]) is network-oriented
14696 + // output (hash key) is host-oriented
14697 + for (i=3; i>=0; i--)
14698 + HASH_PUSH_BYTE(cp, entry->key.dip[i]);
14699 + if (entry->key.ipv6)
14700 + {
14701 + for (i=4; i<16; i+=4)
14702 + {
14703 + for (j=i+3; j>=i; j--)
14704 + HASH_PUSH_BYTE(cp, entry->key.dip[j]);
14705 + }
14706 + }
14707 + }
14708 +
14709 + if (entry->key_present.l4_bytes_0_3)
14710 + {
14711 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
14712 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
14713 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
14714 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
14715 + }
14716 + if (entry->key_present.l4_bytes_4_7)
14717 + {
14718 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]);
14719 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]);
14720 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]);
14721 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]);
14722 + }
14723 + if (entry->key_present.l4_bytes_8_11)
14724 + {
14725 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]);
14726 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]);
14727 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]);
14728 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]);
14729 + }
14730 + if (entry->key_present.l4_bytes_12_15)
14731 + {
14732 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]);
14733 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]);
14734 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]);
14735 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]);
14736 + }
14737 + if (entry->key_present.l4_bytes_16_19)
14738 + {
14739 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]);
14740 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]);
14741 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]);
14742 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]);
14743 + }
14744 + if (entry->key_present.l4_bytes_20_23)
14745 + {
14746 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]);
14747 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]);
14748 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]);
14749 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]);
14750 + }
14751 + if (entry->key_present.l7_bytes_0_3)
14752 + {
14753 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]);
14754 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]);
14755 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]);
14756 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]);
14757 + }
14758 + if (entry->key_present.l7_bytes_4_7)
14759 + {
14760 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]);
14761 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]);
14762 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]);
14763 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]);
14764 + }
14765 + if (entry->key_present.l7_bytes_8_11)
14766 + {
14767 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]);
14768 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]);
14769 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]);
14770 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]);
14771 + }
14772 + if (entry->key_present.l7_bytes_12_15)
14773 + {
14774 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]);
14775 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]);
14776 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]);
14777 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]);
14778 + }
14779 + if (entry->key_present.l7_bytes_16_19)
14780 + {
14781 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]);
14782 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]);
14783 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]);
14784 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]);
14785 + }
14786 + if (entry->key_present.l7_bytes_20_23)
14787 + {
14788 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]);
14789 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]);
14790 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]);
14791 + HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]);
14792 + }
14793 +
14794 + // get hash index
14795 + total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
14796 +
14797 + if (total > HASH_MAX_KEY_DWORD)
14798 + {
14799 + //hash_printf("Total key words (%d) is too large (> %d)!\n",
14800 + // total, HASH_MAX_KEY_DWORD);
14801 + return -1;
14802 + }
14803 +
14804 + if (entry->key_present.port || entry->key_present.Ethertype)
14805 + index = hash_gen_crc16((unsigned char *)destp, total * 4);
14806 + else
14807 + {
14808 + if (total == 1)
14809 + {
14810 + hash_printf("No key is assigned!\n");
14811 + return -1;
14812 + }
14813 +
14814 + index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4);
14815 + }
14816 +
14817 + entry->index = index & HASH_BITS_MASK;
14818 +
14819 + //hash_printf("Total key words = %d, Hash Index= %d\n",
14820 + // total, entry->index);
14821 +
14822 + cp = (unsigned char *)destp;
14823 + cp+=3;
14824 + HASH_PUSH_BYTE(cp, entry->rule); // rule
14825 +
14826 + entry->total_dwords = total;
14827 +
14828 + return total;
14829 +}
14830 +
14831 +/*----------------------------------------------------------------------
14832 +* hash_build_nat_keys
14833 +*----------------------------------------------------------------------*/
14834 +void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry)
14835 +{
14836 + unsigned char *cp;
14837 + int i;
14838 + unsigned short index;
14839 + int total;
14840 +
14841 + memset((void *)destp, 0, HASH_MAX_BYTES);
14842 +
14843 + cp = (unsigned char *)destp + 2;
14844 + HASH_PUSH_BYTE(cp, entry->key.port);
14845 + cp++;
14846 +
14847 + if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
14848 + {
14849 + HASH_PUSH_WORD(cp, entry->key.vlan_id); // low word
14850 + HASH_PUSH_WORD(cp, entry->key.pppoe_sid); // high word
14851 + }
14852 +
14853 + HASH_PUSH_BYTE(cp, entry->key.ip_protocol);
14854 + cp+=3;
14855 +
14856 + // input (entry->key.sip[i]) is network-oriented
14857 + // output (hash key) is host-oriented
14858 + for (i=3; i>=0; i--)
14859 + HASH_PUSH_BYTE(cp, entry->key.sip[i]);
14860 +
14861 + // input (entry->key.sip[i]) is network-oriented
14862 + // output (hash key) is host-oriented
14863 + for (i=3; i>=0; i--)
14864 + HASH_PUSH_BYTE(cp, entry->key.dip[i]);
14865 +
14866 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
14867 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
14868 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
14869 + HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
14870 +
14871 + // get hash index
14872 + total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
14873 +
14874 + index = hash_gen_crc16((unsigned char *)destp, total * 4);
14875 + entry->index = index & ((1 << HASH_BITS) - 1);
14876 +
14877 + cp = (unsigned char *)destp;
14878 + cp+=3;
14879 + HASH_PUSH_BYTE(cp, entry->rule); // rule
14880 +
14881 + entry->total_dwords = total;
14882 +}
14883 +
14884 +
14885 +/*----------------------------------------------------------------------
14886 +* hash_write_entry
14887 +*----------------------------------------------------------------------*/
14888 +int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key)
14889 +{
14890 + int i;
14891 + u32 *srcep, *destp, *destp2;
14892 +
14893 + srcep = (u32 *)key;
14894 + destp2 = destp = (u32 *)&hash_tables[entry->index][0];
14895 +
14896 + for (i=0; i<(entry->total_dwords); i++, srcep++, destp++)
14897 + *destp = *srcep;
14898 +
14899 + srcep = (u32 *)&entry->action;
14900 + *destp++ = *srcep;
14901 +
14902 + srcep = (u32 *)&entry->param;
14903 + for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++)
14904 + *destp = *srcep;
14905 +
14906 + memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32));
14907 +
14908 + consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE);
14909 + return 0;
14910 +}
14911 +
14912 +/*----------------------------------------------------------------------
14913 +* hash_timer_func
14914 +*----------------------------------------------------------------------*/
14915 +static void hash_timer_func(u32 data)
14916 +{
14917 + int i, j;
14918 + volatile u32 *active_p, *own_p, *valid_p;
14919 + u32 a_bits, own_bits;
14920 +
14921 + valid_p = (volatile u32 *)TOE_V_BIT_BASE;
14922 + active_p = (volatile u32 *)hash_activate_bits;
14923 + own_p = (volatile u32 *)hash_nat_owner_bits;
14924 + for (i=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, active_p++, valid_p++)
14925 + {
14926 + *active_p |= readl(TOE_A_BIT_BASE + (i*4));
14927 + a_bits = *active_p;
14928 + own_bits = *own_p;
14929 + if (own_bits)
14930 + {
14931 +#ifndef DEBUG_NAT_MIXED_HW_SW_TX
14932 + a_bits = own_bits & ~a_bits;
14933 +#else
14934 + a_bits = own_bits & a_bits;
14935 +#endif
14936 + for (j=0; a_bits && j<32; j++)
14937 + {
14938 + if (a_bits & 1)
14939 + {
14940 + *valid_p &= ~(1 << j); // invalidate it
14941 +#if !(defined(NAT_DEBUG_LAN_HASH_TIMEOUT) || defined(NAT_DEBUG_WAN_HASH_TIMEOUT))
14942 + *own_p &= ~(1 << j); // release ownership for NAT
14943 +#endif
14944 +// #ifdef DEBUG_NAT_MIXED_HW_SW_TX
14945 +#if 0
14946 + hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j);
14947 +#endif
14948 + }
14949 + a_bits >>= 1;
14950 + }
14951 + *active_p &= ~own_bits; // deactivate it for next polling
14952 + }
14953 + }
14954 +
14955 + hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD;
14956 + add_timer((struct timer_list *)data);
14957 +}
14958 +
14959 +/*----------------------------------------------------------------------
14960 +* dm_long
14961 +*----------------------------------------------------------------------*/
14962 +void dm_long(u32 location, int length)
14963 +{
14964 + u32 *start_p, *curr_p, *end_p;
14965 + u32 *datap, data;
14966 + int i;
14967 +
14968 + //if (length > 1024)
14969 + // length = 1024;
14970 +
14971 + start_p = (u32 *)location;
14972 + end_p = (u32 *)location + length;
14973 + curr_p = (u32 *)((u32)location & 0xfffffff0);
14974 + datap = (u32 *)location;
14975 + while (curr_p < end_p)
14976 + {
14977 + hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0);
14978 + for (i=0; i<4; i++)
14979 + {
14980 + if (curr_p < start_p || curr_p >= end_p)
14981 + hash_printf(" ");
14982 + else
14983 + {
14984 + data = *datap;
14985 + hash_printf("%08X ", data);
14986 + }
14987 + if (i==1)
14988 + hash_printf("- ");
14989 +
14990 + curr_p++;
14991 + datap++;
14992 + }
14993 + hash_printf("\n");
14994 + }
14995 +}
14996 +
14997 +/*----------------------------------------------------------------------
14998 +* hash_dump_entry
14999 +*----------------------------------------------------------------------*/
15000 +void hash_dump_entry(int index)
15001 +{
15002 + hash_printf("Hash Index %d:\n", index);
15003 + dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS);
15004 +}
15005 +
15006 +
15007 --- /dev/null
15008 +++ b/drivers/net/sl_switch.c
15009 @@ -0,0 +1,650 @@
15010 +#include <linux/module.h>
15011 +#include <linux/kernel.h>
15012 +#include <linux/init.h>
15013 +#include <linux/ioport.h>
15014 +#include <linux/delay.h>
15015 +#include <asm/hardware.h>
15016 +#include <asm/io.h>
15017 +
15018 +#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE))
15019 +#define GPIO_BASE_ADDR1 (IO_ADDRESS(SL2312_GPIO_BASE1))
15020 +enum GPIO_REG
15021 +{
15022 + GPIO_DATA_OUT = 0x00,
15023 + GPIO_DATA_IN = 0x04,
15024 + GPIO_PIN_DIR = 0x08,
15025 + GPIO_BY_PASS = 0x0c,
15026 + GPIO_DATA_SET = 0x10,
15027 + GPIO_DATA_CLEAR = 0x14,
15028 +};
15029 +
15030 +#define GMAC_SPEED_10 0
15031 +#define GMAC_SPEED_100 1
15032 +#define GMAC_SPEED_1000 2
15033 +
15034 +enum phy_state
15035 +{
15036 + LINK_DOWN = 0,
15037 + LINK_UP = 1
15038 +};
15039 +
15040 +#ifndef BIT
15041 +#define BIT(x) (1 << (x))
15042 +#endif
15043 +
15044 +//int Get_Set_port_status();
15045 +unsigned int SPI_read_bit(void);
15046 +void SPI_write_bit(char bit_EEDO);
15047 +void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value);
15048 +unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr);
15049 +int SPI_default(void);
15050 +void SPI_CS_enable(unsigned char enable);
15051 +unsigned int SPI_get_identifier(void);
15052 +void phy_write(unsigned char port_no,unsigned char reg,unsigned int val);
15053 +unsigned int phy_read(unsigned char port_no,unsigned char reg);
15054 +void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask);
15055 +void init_seq_7385(unsigned char port_no) ;
15056 +void phy_receiver_init (unsigned char port_no);
15057 +
15058 +#define PORT_NO 4
15059 +int switch_pre_speed[PORT_NO]={0,0,0,0};
15060 +int switch_pre_link[PORT_NO]={0,0,0,0};
15061 +
15062 +
15063 +
15064 +
15065 +
15066 +/* NOTES
15067 + * The Protocol of the SPI are as follows:
15068 + *
15069 + * Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
15070 + * byte0 | Block id | r/w | sub-block |
15071 + * byte1 | Address |
15072 + * byte2 | Data |
15073 + * byte3 | Data |
15074 + * byte4 | Data |
15075 + * byte5 | Data |
15076 + */
15077 +
15078 +
15079 +
15080 +
15081 +/***************************************/
15082 +/* define GPIO module base address */
15083 +/***************************************/
15084 +#define GPIO_EECS 0x80000000 /* EECS: GPIO[22] */
15085 +#define GPIO_MOSI 0x20000000 /* EEDO: GPIO[29] send to 6996*/
15086 +#define GPIO_MISO 0x40000000 /* EEDI: GPIO[30] receive from 6996*/
15087 +#define GPIO_EECK 0x10000000 /* EECK: GPIO[31] */
15088 +
15089 +/*************************************************************
15090 +* SPI protocol for ADM6996 control
15091 +**************************************************************/
15092 +#define SPI_OP_LEN 0x08 // the length of start bit and opcode
15093 +#define SPI_OPWRITE 0X05 // write
15094 +#define SPI_OPREAD 0X06 // read
15095 +#define SPI_OPERASE 0X07 // erase
15096 +#define SPI_OPWTEN 0X04 // write enable
15097 +#define SPI_OPWTDIS 0X04 // write disable
15098 +#define SPI_OPERSALL 0X04 // erase all
15099 +#define SPI_OPWTALL 0X04 // write all
15100 +
15101 +#define SPI_ADD_LEN 8 // bits of Address
15102 +#define SPI_DAT_LEN 32 // bits of Data
15103 +
15104 +
15105 +/****************************************/
15106 +/* Function Declare */
15107 +/****************************************/
15108 +
15109 +//unsigned int SPI_read_bit(void);
15110 +//void SPI_write_bit(char bit_EEDO);
15111 +//unsigned int SPI_read_bit(void);
15112 +/******************************************
15113 +* SPI_write
15114 +* addr -> Write Address
15115 +* value -> value to be write
15116 +***************************************** */
15117 +void phy_receiver_init (unsigned char port_no)
15118 +{
15119 + phy_write(port_no,31,0x2a30);
15120 + phy_write_masked(port_no, 12, 0x0200, 0x0300);
15121 + phy_write(port_no,31,0);
15122 +}
15123 +
15124 +void phy_write(unsigned char port_no,unsigned char reg,unsigned int val)
15125 +{
15126 + unsigned int cmd;
15127 +
15128 + cmd = (port_no<<21)|(reg<<16)|val;
15129 + SPI_write(3,0,1,cmd);
15130 +}
15131 +
15132 +unsigned int phy_read(unsigned char port_no,unsigned char reg)
15133 +{
15134 + unsigned int cmd,reg_val;
15135 +
15136 + cmd = BIT(26)|(port_no<<21)|(reg<<16);
15137 + SPI_write(3,0,1,cmd);
15138 + msleep(2);
15139 + reg_val = SPI_read(3,0,2);
15140 + return reg_val;
15141 +}
15142 +
15143 +void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask)
15144 +{
15145 + unsigned int cmd,reg_val;
15146 +
15147 + cmd = BIT(26)|(port_no<<21)|(reg<<16); // Read reg_val
15148 + SPI_write(3,0,1,cmd);
15149 + mdelay(2);
15150 + reg_val = SPI_read(3,0,2);
15151 + reg_val &= ~mask; // Clear masked bit
15152 + reg_val |= (val&mask) ; // set masked bit ,if true
15153 + cmd = (port_no<<21)|(reg<<16)|reg_val;
15154 + SPI_write(3,0,1,cmd);
15155 +}
15156 +
15157 +void init_seq_7385(unsigned char port_no)
15158 +{
15159 + unsigned char rev;
15160 +
15161 + phy_write(port_no, 31, 0x2a30);
15162 + phy_write_masked(port_no, 8, 0x0200, 0x0200);
15163 + phy_write(port_no, 31, 0x52b5);
15164 + phy_write(port_no, 16, 0xb68a);
15165 + phy_write_masked(port_no, 18, 0x0003, 0xff07);
15166 + phy_write_masked(port_no, 17, 0x00a2, 0x00ff);
15167 + phy_write(port_no, 16, 0x968a);
15168 + phy_write(port_no, 31, 0x2a30);
15169 + phy_write_masked(port_no, 8, 0x0000, 0x0200);
15170 + phy_write(port_no, 31, 0x0000); /* Read revision */
15171 + rev = phy_read(port_no, 3) & 0x000f;
15172 + if (rev == 0)
15173 + {
15174 + phy_write(port_no, 31, 0x2a30);
15175 + phy_write_masked(port_no, 8, 0x0200, 0x0200);
15176 + phy_write(port_no, 31, 0x52b5);
15177 + phy_write(port_no, 18, 0x0000);
15178 + phy_write(port_no, 17, 0x0689);
15179 + phy_write(port_no, 16, 0x8f92);
15180 + phy_write(port_no, 31, 0x52B5);
15181 + phy_write(port_no, 18, 0x0000);
15182 + phy_write(port_no, 17, 0x0E35);
15183 + phy_write(port_no, 16, 0x9786);
15184 + phy_write(port_no, 31, 0x2a30);
15185 + phy_write_masked(port_no, 8, 0x0000, 0x0200);
15186 + phy_write(port_no, 23, 0xFF80);
15187 + phy_write(port_no, 23, 0x0000);
15188 + }
15189 + phy_write(port_no, 31, 0x0000);
15190 + phy_write(port_no, 18, 0x0048);
15191 + if (rev == 0)
15192 + {
15193 + phy_write(port_no, 31, 0x2a30);
15194 + phy_write(port_no, 20, 0x6600);
15195 + phy_write(port_no, 31, 0x0000);
15196 + phy_write(port_no, 24, 0xa24e);
15197 + }
15198 + else
15199 + {
15200 + phy_write(port_no, 31, 0x2a30);
15201 + phy_write_masked(port_no, 22, 0x0240, 0x0fc0);
15202 + phy_write_masked(port_no, 20, 0x4000, 0x6000);
15203 + phy_write(port_no, 31, 1);
15204 + phy_write_masked(port_no, 20, 0x6000, 0xe000);
15205 + phy_write(port_no, 31, 0x0000);
15206 + }
15207 +}
15208 +
15209 +int Get_Set_port_status()
15210 +{
15211 + unsigned int reg_val,ability,rcv_mask,mac_config;
15212 + int is_link=0;
15213 + int i;
15214 +
15215 + rcv_mask = SPI_read(2,0,0x10); // Receive mask
15216 +
15217 + for(i=0;i<4;i++){
15218 + reg_val = phy_read(i,1);
15219 + if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
15220 + {
15221 + is_link=1;
15222 + if(switch_pre_link[i]==LINK_DOWN){ // Link Down ==> Link up
15223 +
15224 + rcv_mask |= BIT(i); // Enable receive
15225 +
15226 + reg_val = phy_read(i,10);
15227 + if(reg_val & 0x0c00){
15228 + printk("Port%d:Giga mode\n",i);
15229 +// SPI_write(1,i,0x00,0x300701B1);
15230 + mac_config = 0x00060004|(6<<6);
15231 +
15232 + SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port
15233 + mac_config |= (( BIT(i) << 19) | 0x08000000);
15234 + SPI_write(1,i,0x00,mac_config);
15235 + SPI_write(1,i,0x04,0x000300ff); // flow control
15236 +
15237 + reg_val = SPI_read(5,0,0x12);
15238 + reg_val &= ~BIT(i);
15239 + SPI_write(5,0,0x12,reg_val);
15240 +
15241 + reg_val = SPI_read(1,i,0x00);
15242 + reg_val |= 0x10010000;
15243 + SPI_write(1,i,0x00,reg_val);
15244 +// SPI_write(1,i,0x00,0x10070181);
15245 + switch_pre_link[i]=LINK_UP;
15246 + switch_pre_speed[i]=GMAC_SPEED_1000;
15247 + }
15248 + else{
15249 + reg_val = phy_read(i,5);
15250 + ability = (reg_val&0x5e0) >>5;
15251 + if ((ability & 0x0C)) /* 100M */
15252 + {
15253 +// SPI_write(1,i,0x00,0x30050472);
15254 + if((ability&0x08)==0) // Half
15255 + mac_config = 0x00040004 |(17<<6);
15256 + else // Full
15257 + mac_config = 0x00040004 |(17<<6);
15258 +
15259 + SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port
15260 + mac_config |= (( BIT(i) << 19) | 0x08000000);
15261 + SPI_write(1,i,0x00,mac_config);
15262 + SPI_write(1,i,0x04,0x000300ff); // flow control
15263 +
15264 + reg_val = SPI_read(5,0,0x12);
15265 + reg_val &= ~BIT(i);
15266 + SPI_write(5,0,0x12,reg_val);
15267 +
15268 + reg_val = SPI_read(1,i,0x00);
15269 + reg_val &= ~0x08000000;
15270 + reg_val |= 0x10010000;
15271 + SPI_write(1,i,0x00,reg_val);
15272 +// SPI_write(1,i,0x00,0x10050442);
15273 + printk("Port%d:100M\n",i);
15274 + switch_pre_link[i]=LINK_UP;
15275 + switch_pre_speed[i]=GMAC_SPEED_100;
15276 + }
15277 + else if((ability & 0x03)) /* 10M */
15278 + {
15279 +// SPI_write(1,i,0x00,0x30050473);
15280 + if((ability&0x2)==0) // Half
15281 + mac_config = 0x00040004 |(17<<6);
15282 + else // Full
15283 + mac_config = 0x00040004 |(17<<6);
15284 +
15285 + SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030); // reset port
15286 + mac_config |= (( BIT(i) << 19) | 0x08000000);
15287 + SPI_write(1,i,0x00,mac_config);
15288 + SPI_write(1,i,0x04,0x000300ff); // flow control
15289 +
15290 + reg_val = SPI_read(5,0,0x12);
15291 + reg_val &= ~BIT(i);
15292 + SPI_write(5,0,0x12,reg_val);
15293 +
15294 + reg_val = SPI_read(1,i,0x00);
15295 + reg_val &= ~0x08000000;
15296 + reg_val |= 0x10010000;
15297 + SPI_write(1,i,0x00,reg_val);
15298 +// SPI_write(1,i,0x00,0x10050443);
15299 + printk("Port%d:10M\n",i);
15300 + switch_pre_link[i]=LINK_UP;
15301 + switch_pre_speed[i]=GMAC_SPEED_10;
15302 + }
15303 + else{
15304 + SPI_write(1,i,0x00,0x20000030);
15305 + printk("Port%d:Unknown mode\n",i);
15306 + switch_pre_link[i]=LINK_DOWN;
15307 + switch_pre_speed[i]=GMAC_SPEED_10;
15308 + }
15309 + }
15310 + }
15311 + else{ // Link up ==> Link UP
15312 +
15313 + }
15314 + }
15315 + else{ // Link Down
15316 + if(switch_pre_link[i]==LINK_UP){
15317 + printk("Port%d:Link Down\n",i);
15318 + //phy_receiver_init(i);
15319 + reg_val = SPI_read(1,i,0);
15320 + reg_val &= ~BIT(16);
15321 + SPI_write(1,i,0x00,reg_val); // disable RX
15322 + SPI_write(5,0,0x0E,BIT(i)); // dicard packet
15323 + while((SPI_read(5,0,0x0C)&BIT(i))==0) // wait to be empty
15324 + msleep(1);
15325 + SPI_write(1,i,0x00,0x20000030); // PORT_RST
15326 + SPI_write(5,0,0x0E,SPI_read(5,0,0x0E) & ~BIT(i));// accept packet
15327 +
15328 + reg_val = SPI_read(5,0,0x12);
15329 + reg_val |= BIT(i);
15330 + SPI_write(5,0,0x12,reg_val);
15331 + }
15332 + switch_pre_link[i]=LINK_DOWN;
15333 + rcv_mask &= ~BIT(i); // disable receive
15334 + }
15335 + }
15336 +
15337 + SPI_write(2,0,0x10,rcv_mask); // Receive mask
15338 + return is_link;
15339 +
15340 +}
15341 +EXPORT_SYMBOL(Get_Set_port_status);
15342 +
15343 +void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value)
15344 +{
15345 + int i;
15346 + char bit;
15347 + unsigned int data;
15348 +
15349 + SPI_CS_enable(1);
15350 +
15351 + data = (block<<5) | 0x10 | subblock;
15352 +
15353 + //send write command
15354 + for(i=SPI_OP_LEN-1;i>=0;i--)
15355 + {
15356 + bit = (data>>i)& 0x01;
15357 + SPI_write_bit(bit);
15358 + }
15359 +
15360 + // send 8 bits address (MSB first, LSB last)
15361 + for(i=SPI_ADD_LEN-1;i>=0;i--)
15362 + {
15363 + bit = (addr>>i)& 0x01;
15364 + SPI_write_bit(bit);
15365 + }
15366 + // send 32 bits data (MSB first, LSB last)
15367 + for(i=SPI_DAT_LEN-1;i>=0;i--)
15368 + {
15369 + bit = (value>>i)& 0x01;
15370 + SPI_write_bit(bit);
15371 + }
15372 +
15373 + SPI_CS_enable(0); // CS low
15374 +
15375 +}
15376 +
15377 +
15378 +/************************************
15379 +* SPI_write_bit
15380 +* bit_EEDO -> 1 or 0 to be written
15381 +************************************/
15382 +void SPI_write_bit(char bit_EEDO)
15383 +{
15384 + unsigned int addr;
15385 + unsigned int value;
15386 +
15387 + addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
15388 + value = readl(addr) |GPIO_EECK |GPIO_MOSI ; /* set EECK/MISO Pin to output */
15389 + writel(value,addr);
15390 + if(bit_EEDO)
15391 + {
15392 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
15393 + writel(GPIO_MOSI,addr); /* set MISO to 1 */
15394 +
15395 + }
15396 + else
15397 + {
15398 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15399 + writel(GPIO_MOSI,addr); /* set MISO to 0 */
15400 + }
15401 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
15402 + writel(GPIO_EECK,addr); /* set EECK to 1 */
15403 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15404 + writel(GPIO_EECK,addr); /* set EECK to 0 */
15405 +
15406 + //return ;
15407 +}
15408 +
15409 +/**********************************************************************
15410 +* read a bit from ADM6996 register
15411 +***********************************************************************/
15412 +unsigned int SPI_read_bit(void) // read data from
15413 +{
15414 + unsigned int addr;
15415 + unsigned int value;
15416 +
15417 + addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
15418 + value = readl(addr) & (~GPIO_MISO); // set EECK to output and MISO to input
15419 + writel(value,addr);
15420 +
15421 + addr =(GPIO_BASE_ADDR1 + GPIO_DATA_SET);
15422 + writel(GPIO_EECK,addr); // set EECK to 1
15423 +
15424 +
15425 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_IN);
15426 + value = readl(addr) ;
15427 +
15428 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15429 + writel(GPIO_EECK,addr); // set EECK to 0
15430 +
15431 +
15432 + value = value >> 30;
15433 + return value ;
15434 +}
15435 +
15436 +/******************************************
15437 +* SPI_default
15438 +* EEPROM content default value
15439 +*******************************************/
15440 +int SPI_default(void)
15441 +{
15442 + int i;
15443 + unsigned reg_val,cmd;
15444 +
15445 +#if 0
15446 + SPI_write(7,0,0x1C,0x01); // map code space to 0
15447 +
15448 + reg_val = SPI_read(7,0,0x10);
15449 + reg_val |= 0x0146;
15450 + reg_val &= ~0x0001;
15451 + SPI_write(7,0,0x10,reg_val); // reset iCPU and enable ext_access
15452 + SPI_write(7,0,0x11,0x0000); // start address
15453 + for(i=0;i<sizeof(vts_img);i++){
15454 + SPI_write(7,0,0x12,vts_img[i]); // fill in ROM data
15455 + }
15456 + reg_val |= BIT(0)|BIT(3);
15457 + SPI_write(7,0,0x10,reg_val); // release iCPU
15458 + SPI_write(7,0,0x10,SPI_read(7,0,0x10)&~BIT(7)); // release iCPU
15459 + return ;
15460 +#endif
15461 +
15462 +
15463 + for(i=0;i<15;i++){
15464 + if(i!=6 && i!=7)
15465 + SPI_write(3,2,0,0x1010400+i); // Initial memory
15466 + mdelay(1);
15467 + }
15468 +
15469 + mdelay(30);
15470 +
15471 + SPI_write(2,0,0xB0,0x05); // Clear MAC table
15472 + SPI_write(2,0,0xD0,0x03); // Clear VLAN
15473 +
15474 + //for(i=0;i<5;i++)
15475 + SPI_write(1,6,0x19,0x2C); // Double Data rate
15476 +
15477 + for(i=0;i<4;i++){
15478 + SPI_write(1,i,0x00,0x30050472); // MAC configure
15479 + SPI_write(1,i,0x00,0x10050442); // MAC configure
15480 + SPI_write(1,i,0x10,0x5F4); // Max length
15481 + SPI_write(1,i,0x04,0x00030000); // Flow control
15482 + SPI_write(1,i,0xDF,0x00000001); // Flow control
15483 + SPI_write(1,i,0x08,0x000050c2); // Flow control mac high
15484 + SPI_write(1,i,0x0C,0x002b00f1); // Flow control mac low
15485 + SPI_write(1,i,0x6E,BIT(3)); // forward pause frame
15486 + }
15487 + SPI_write(1,i,0x00,0x20000030); // set port 4 as reset
15488 +
15489 + SPI_write(1,6,0x00,0x300701B1); // MAC configure
15490 + SPI_write(1,6,0x00,0x10070181); // MAC configure
15491 + SPI_write(1,6,0x10,0x5F4); // Max length
15492 + SPI_write(1,6,0x04,0x00030000); // Flow control
15493 + SPI_write(1,6,0xDF,0x00000002); // Flow control
15494 + SPI_write(1,6,0x08,0x000050c2); // Flow control mac high
15495 + SPI_write(1,6,0x0C,0x002b00f1); // Flow control mac low
15496 + SPI_write(1,6,0x6E,BIT(3)); // forward pause frame
15497 +
15498 +
15499 + //SPI_write(7,0,0x05,0x31); // MII delay for loader
15500 + //SPI_write(7,0,0x05,0x01); // MII delay for kernel
15501 + SPI_write(7,0,0x05,0x33);
15502 +
15503 + SPI_write(2,0,0x10,0x4F); // Receive mask
15504 +
15505 + mdelay(50);
15506 +
15507 + SPI_write(7,0,0x14,0x02); // Release Reset
15508 +
15509 + mdelay(3);
15510 +
15511 + for(i=0;i<4;i++){
15512 + init_seq_7385(i);
15513 + phy_receiver_init(i);
15514 + cmd = BIT(26)|(i<<21)|(0x1B<<16); // Config LED
15515 + SPI_write(3,0,1,cmd);
15516 + mdelay(10);
15517 + reg_val = SPI_read(3,0,2);
15518 + reg_val &= 0xFF00;
15519 + reg_val |= 0x61;
15520 + cmd = (i<<21)|(0x1B<<16)|reg_val;
15521 + SPI_write(3,0,1,cmd);
15522 +
15523 + cmd = BIT(26)|(i<<21)|(0x04<<16); // Pause enable
15524 + SPI_write(3,0,1,cmd);
15525 + mdelay(10);
15526 + reg_val = SPI_read(3,0,2);
15527 + reg_val |= BIT(10)|BIT(11);
15528 + cmd = (i<<21)|(0x04<<16)|reg_val;
15529 + SPI_write(3,0,1,cmd);
15530 +
15531 + cmd = BIT(26)|(i<<21)|(0x0<<16); // collision test and re-negotiation
15532 + SPI_write(3,0,1,cmd);
15533 + mdelay(10);
15534 + reg_val = SPI_read(3,0,2);
15535 + reg_val |= BIT(7)|BIT(8)|BIT(9);
15536 + cmd = (i<<21)|(0x0<<16)|reg_val;
15537 + SPI_write(3,0,1,cmd);
15538 + }
15539 + init_seq_7385(i);
15540 + writel(0x5787a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For switch timing
15541 + return 4; // return port_no
15542 +}
15543 +EXPORT_SYMBOL(SPI_default);
15544 +
15545 +/***********************************************************
15546 +* SPI_CS_enable
15547 +* before access ,you have to enable Chip Select. (pull high)
15548 +* When fisish, you should pull low !!
15549 +*************************************************************/
15550 +void SPI_CS_enable(unsigned char enable)
15551 +{
15552 +
15553 + unsigned int addr,value;
15554 +
15555 + addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
15556 + value = readl(addr) |GPIO_EECS |GPIO_EECK; /* set EECS/EECK Pin to output */
15557 + writel(value,addr);
15558 +
15559 + if(enable)
15560 + {
15561 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15562 + writel(GPIO_EECK,addr); /* set EECK to 0 */ // pull low clk first
15563 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15564 + writel(GPIO_EECS,addr); /* set EECS to 0 */
15565 +
15566 + }
15567 + else
15568 + {
15569 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
15570 + writel(GPIO_EECK,addr); /* set EECK to 1 */ // pull high clk before disable
15571 + writel(GPIO_EECS,addr); /* set EECS to 1 */
15572 + }
15573 +}
15574 +
15575 +
15576 +/************************************************
15577 +* SPI_read
15578 +* table -> which table to be read: 1/count 0/EEPROM
15579 +* addr -> Address to be read
15580 +* return : Value of the register
15581 +*************************************************/
15582 +unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr)
15583 +{
15584 + int i;
15585 + char bit;
15586 + unsigned int data,value=0;
15587 +
15588 + SPI_CS_enable(1);
15589 +
15590 + data = (block<<5) | subblock;
15591 +
15592 + //send write command
15593 + for(i=SPI_OP_LEN-1;i>=0;i--)
15594 + {
15595 + bit = (data>>i)& 0x01;
15596 + SPI_write_bit(bit);
15597 + }
15598 +
15599 + // send 8 bits address (MSB first, LSB last)
15600 + for(i=SPI_ADD_LEN-1;i>=0;i--)
15601 + {
15602 + bit = (addr>>i)& 0x01;
15603 + SPI_write_bit(bit);
15604 + }
15605 +
15606 + // dummy read for chip ready
15607 + for(i=0;i<8;i++)
15608 + SPI_read_bit();
15609 +
15610 +
15611 + // read 32 bits data (MSB first, LSB last)
15612 + for(i=SPI_DAT_LEN-1;i>=0;i--)
15613 + {
15614 + bit = SPI_read_bit();
15615 + value |= bit<<i;
15616 + }
15617 +
15618 + SPI_CS_enable(0); // CS low
15619 + return(value);
15620 +
15621 +}
15622 +
15623 +void pull_low_gpio(unsigned int val)
15624 +{
15625 +
15626 + unsigned int addr,value;
15627 +
15628 + addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
15629 + writel(val,addr); /* set pin low to save power*/
15630 +
15631 + addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
15632 + value = readl(addr) & ~ val; /* set Pin to input */
15633 + writel(value,addr);
15634 +
15635 +// value = readl(GMAC_GLOBAL_BASE_ADDR+0x0C); // reset GPIO1 module(self clear)
15636 +// value |= BIT(21);
15637 +// writel(value,GMAC_GLOBAL_BASE_ADDR+0x0C);
15638 +}
15639 +
15640 +unsigned int SPI_get_identifier(void)
15641 +{
15642 + unsigned int flag=0;
15643 +
15644 + SPI_write(7,0,0x01,0x01);
15645 + flag = SPI_read(7,0,0x18); // chip id
15646 + if((flag & 0x0ffff000)==0x07385000){
15647 + printk("Get VSC-switch ID 0x%08x\n",flag);
15648 + //Giga_switch = 1;;
15649 + return 1;
15650 + }
15651 + else{
15652 + printk("VSC-switch not found\n");
15653 + //Giga_switch = 0;
15654 + pull_low_gpio(GPIO_EECK|GPIO_MOSI|GPIO_MISO|GPIO_EECS); // reduce power consume
15655 + return 0;
15656 + }
15657 +}
15658 +EXPORT_SYMBOL(SPI_get_identifier);
15659 +
15660 --- /dev/null
15661 +++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h
15662 @@ -0,0 +1,2223 @@
15663 +/****************************************************************************
15664 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
15665 +*--------------------------------------------------------------------------
15666 +* Name : sl351x_gmac.h
15667 +* Description :
15668 +* Define for device driver of Storlink SL351x network Engine
15669 +*
15670 +* Historych
15671 +*
15672 +* Date Writer Description
15673 +* ----------- ----------- -------------------------------------------------
15674 +* 08/22/2005 Gary Chen Create and implement
15675 +*
15676 +****************************************************************************/
15677 +#ifndef _GMAC_SL351x_H
15678 +#define _GMAC_SL351x_H
15679 +#include <linux/skbuff.h>
15680 +
15681 +#define SL351x_GMAC_WORKAROUND 1
15682 +
15683 +#undef BIG_ENDIAN
15684 +#define BIG_ENDIAN 0
15685 +#define GMAC_DEBUG 1
15686 +#define GMAC_NUM 2
15687 +//#define L2_jumbo_frame 1
15688 +
15689 +#define _PACKED_ __attribute__ ((aligned(1), packed))
15690 +
15691 +#ifndef BIT
15692 +#define BIT(x) (1 << (x))
15693 +#endif
15694 +
15695 +#define REG32(addr) (*(volatile unsigned long * const)(addr))
15696 +
15697 +#define DMA_MALLOC(size,handle) pci_alloc_consistent(NULL,size,handle)
15698 +#define DMA_MFREE(mem,size,handle) pci_free_consistent(NULL,size,mem,handle)
15699 +
15700 +// Define frame size
15701 +#define ETHER_ADDR_LEN 6
15702 +#define GMAC_MAX_ETH_FRAME_SIZE 1514
15703 +#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31))
15704 +#define MAX_ISR_WORK 20
15705 +
15706 +#ifdef L2_jumbo_frame
15707 +#define SW_RX_BUF_SIZE 9234 // 2048 ,9234
15708 +#else
15709 +#define SW_RX_BUF_SIZE 1536 // 2048
15710 +#endif
15711 +
15712 +#define HW_RX_BUF_SIZE 1536 // 2048
15713 +
15714 +#define GMAC_DEV_TX_TIMEOUT (10*HZ) //add by CH
15715 +#define SKB_RESERVE_BYTES 16
15716 +
15717 +/**********************************************************************
15718 + * Base Register
15719 + **********************************************************************/
15720 +#define TOE_BASE (IO_ADDRESS(SL2312_TOE_BASE))
15721 +#define GMAC_GLOBAL_BASE_ADDR (IO_ADDRESS(SL2312_GLOBAL_BASE))
15722 +
15723 +#define TOE_GLOBAL_BASE (TOE_BASE + 0x0000)
15724 +#define TOE_NONTOE_QUE_HDR_BASE (TOE_BASE + 0x2000)
15725 +#define TOE_TOE_QUE_HDR_BASE (TOE_BASE + 0x3000)
15726 +#define TOE_V_BIT_BASE (TOE_BASE + 0x4000)
15727 +#define TOE_A_BIT_BASE (TOE_BASE + 0x6000)
15728 +#define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000)
15729 +#define TOE_GMAC0_BASE (TOE_BASE + 0xA000)
15730 +#define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000)
15731 +#define TOE_GMAC1_BASE (TOE_BASE + 0xE000)
15732 +
15733 +/**********************************************************************
15734 + * Queue ID
15735 + **********************************************************************/
15736 +#define TOE_SW_FREE_QID 0x00
15737 +#define TOE_HW_FREE_QID 0x01
15738 +#define TOE_GMAC0_SW_TXQ0_QID 0x02
15739 +#define TOE_GMAC0_SW_TXQ1_QID 0x03
15740 +#define TOE_GMAC0_SW_TXQ2_QID 0x04
15741 +#define TOE_GMAC0_SW_TXQ3_QID 0x05
15742 +#define TOE_GMAC0_SW_TXQ4_QID 0x06
15743 +#define TOE_GMAC0_SW_TXQ5_QID 0x07
15744 +#define TOE_GMAC0_HW_TXQ0_QID 0x08
15745 +#define TOE_GMAC0_HW_TXQ1_QID 0x09
15746 +#define TOE_GMAC0_HW_TXQ2_QID 0x0A
15747 +#define TOE_GMAC0_HW_TXQ3_QID 0x0B
15748 +#define TOE_GMAC1_SW_TXQ0_QID 0x12
15749 +#define TOE_GMAC1_SW_TXQ1_QID 0x13
15750 +#define TOE_GMAC1_SW_TXQ2_QID 0x14
15751 +#define TOE_GMAC1_SW_TXQ3_QID 0x15
15752 +#define TOE_GMAC1_SW_TXQ4_QID 0x16
15753 +#define TOE_GMAC1_SW_TXQ5_QID 0x17
15754 +#define TOE_GMAC1_HW_TXQ0_QID 0x18
15755 +#define TOE_GMAC1_HW_TXQ1_QID 0x19
15756 +#define TOE_GMAC1_HW_TXQ2_QID 0x1A
15757 +#define TOE_GMAC1_HW_TXQ3_QID 0x1B
15758 +#define TOE_GMAC0_DEFAULT_QID 0x20
15759 +#define TOE_GMAC1_DEFAULT_QID 0x21
15760 +#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F
15761 +#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F
15762 +
15763 +/**********************************************************************
15764 + * TOE DMA Queue Number should be 2^n, n = 6...12
15765 + * TOE DMA Queues are the following queue types:
15766 + * SW Free Queue, HW Free Queue,
15767 + * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
15768 + * They have same descriptor numbers.
15769 + * The base address and descriptor number are configured at
15770 + * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
15771 + **********************************************************************/
15772 +#define TOE_SW_FREEQ_DESC_POWER 10
15773 +#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER)
15774 +#define TOE_HW_FREEQ_DESC_POWER 8
15775 +#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER)
15776 +#define TOE_GMAC0_SWTXQ_DESC_POWER 8
15777 +#define TOE_GMAC0_SWTXQ_DESC_NUM (1<<TOE_GMAC0_SWTXQ_DESC_POWER)
15778 +#define TOE_GMAC0_HWTXQ_DESC_POWER 8
15779 +#define TOE_GMAC0_HWTXQ_DESC_NUM (1<<TOE_GMAC0_HWTXQ_DESC_POWER)
15780 +#define TOE_GMAC1_SWTXQ_DESC_POWER 8
15781 +#define TOE_GMAC1_SWTXQ_DESC_NUM (1<<TOE_GMAC1_SWTXQ_DESC_POWER)
15782 +#define TOE_GMAC1_HWTXQ_DESC_POWER 8
15783 +#define TOE_GMAC1_HWTXQ_DESC_NUM (1<<TOE_GMAC1_HWTXQ_DESC_POWER)
15784 +#define TOE_DEFAULT_Q0_DESC_POWER 8
15785 +#define TOE_DEFAULT_Q0_DESC_NUM (1<<TOE_DEFAULT_Q0_DESC_POWER)
15786 +#define TOE_DEFAULT_Q1_DESC_POWER 8
15787 +#define TOE_DEFAULT_Q1_DESC_NUM (1<<TOE_DEFAULT_Q1_DESC_POWER)
15788 +#define TOE_TOE_DESC_POWER 8
15789 +#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER)
15790 +#define TOE_CLASS_DESC_POWER 8
15791 +#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER)
15792 +#define TOE_INTR_DESC_POWER 8
15793 +#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER)
15794 +
15795 +#define TOE_TOE_QUEUE_MAX 64
15796 +#define TOE_TOE_QUEUE_NUM 64
15797 +#define TOE_CLASS_QUEUE_MAX 14
15798 +#define TOE_CLASS_QUEUE_NUM 14
15799 +#define TOE_INTR_QUEUE_MAX 4
15800 +#define TOE_INTR_QUEUE_NUM 4
15801 +#define TOE_SW_TXQ_MAX 6
15802 +#define TOE_SW_TXQ_NUM 1
15803 +#define TOE_HW_TXQ_MAX 4
15804 +#define TOE_HW_TXQ_NUM 4
15805 +#define _max(x,y) ((x>y) ? x :y)
15806 +#define TX_DESC_NUM _max(TOE_GMAC0_SWTXQ_DESC_NUM, TOE_GMAC1_SWTXQ_DESC_NUM)
15807 +
15808 +#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1)
15809 +#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1)
15810 +#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr)+2) = (u16)data)
15811 +#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data)
15812 +
15813 +/**********************************************************************
15814 + * Global registers
15815 + * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000)
15816 + * Base 0x60000000
15817 + **********************************************************************/
15818 +#define GLOBAL_TOE_VERSION_REG 0x0000
15819 +#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004
15820 +#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008
15821 +#define GLOBAL_DMA_SKB_SIZE_REG 0x0010
15822 +#define GLOBAL_SWFQ_RWPTR_REG 0x0014
15823 +#define GLOBAL_HWFQ_RWPTR_REG 0x0018
15824 +#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020
15825 +#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024
15826 +#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028
15827 +#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030
15828 +#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034
15829 +#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038
15830 +#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040
15831 +#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044
15832 +#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048
15833 +#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050
15834 +#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054
15835 +#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058
15836 +#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060
15837 +#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064
15838 +#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068
15839 +#define GLOBAL_HASH_TABLE_BASE_REG 0x006C
15840 +#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070
15841 +
15842 +/**********************************************************************
15843 + * GMAC 0/1 DMA/TOE register
15844 + * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000)
15845 + * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000)
15846 + * Base 0x60008000 or 0x6000C000
15847 + **********************************************************************/
15848 +#define GMAC_DMA_CTRL_REG 0x0000
15849 +#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004
15850 +#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008
15851 +#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C
15852 +#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010
15853 +#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014
15854 +#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018
15855 +#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C
15856 +#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020
15857 +#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024
15858 +#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028
15859 +#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C
15860 +#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030
15861 +#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038
15862 +#define GMAC_DMA_TX_CURR_DESC_REG 0x003C
15863 +#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040
15864 +#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044
15865 +#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048
15866 +#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C
15867 +#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050
15868 +#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054
15869 +#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058
15870 +#define GMAC_DMA_RX_CURR_DESC_REG 0x005C
15871 +#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060
15872 +#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064
15873 +#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068
15874 +#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C
15875 +#define GMAC_HASH_ENGINE_REG0 0x0070
15876 +#define GMAC_HASH_ENGINE_REG1 0x0074
15877 +#define GMAC_MR0CR0 0x0078 // matching rule 0 Control register 0
15878 +#define GMAC_MR0CR1 0x007C // matching rule 0 Control register 1
15879 +#define GMAC_MR0CR2 0x0080 // matching rule 0 Control register 2
15880 +#define GMAC_MR1CR0 0x0084 // matching rule 1 Control register 0
15881 +#define GMAC_MR1CR1 0x0088 // matching rule 1 Control register 1
15882 +#define GMAC_MR1CR2 0x008C // matching rule 1 Control register 2
15883 +#define GMAC_MR2CR0 0x0090 // matching rule 2 Control register 0
15884 +#define GMAC_MR2CR1 0x0094 // matching rule 2 Control register 1
15885 +#define GMAC_MR2CR2 0x0098 // matching rule 2 Control register 2
15886 +#define GMAC_MR3CR0 0x009C // matching rule 3 Control register 0
15887 +#define GMAC_MR3CR1 0x00A0 // matching rule 3 Control register 1
15888 +#define GMAC_MR3CR2 0x00A4 // matching rule 3 Control register 2
15889 +#define GMAC_SPR0 0x00A8 // Support Protocol Regsister 0
15890 +#define GMAC_SPR1 0x00AC // Support Protocol Regsister 1
15891 +#define GMAC_SPR2 0x00B0 // Support Protocol Regsister 2
15892 +#define GMAC_SPR3 0x00B4 // Support Protocol Regsister 3
15893 +#define GMAC_SPR4 0x00B8 // Support Protocol Regsister 4
15894 +#define GMAC_SPR5 0x00BC // Support Protocol Regsister 5
15895 +#define GMAC_SPR6 0x00C0 // Support Protocol Regsister 6
15896 +#define GMAC_SPR7 0x00C4 // Support Protocol Regsister 7
15897 +#define GMAC_AHB_WEIGHT_REG 0x00C8 // GMAC Hash/Rx/Tx AHB Weighting register
15898 +
15899 +/**********************************************************************
15900 + * TOE GMAC 0/1 register
15901 + * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000)
15902 + * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000)
15903 + * Base 0x6000A000 or 0x6000E000
15904 + **********************************************************************/
15905 +enum GMAC_REGISTER {
15906 + GMAC_STA_ADD0 = 0x0000,
15907 + GMAC_STA_ADD1 = 0x0004,
15908 + GMAC_STA_ADD2 = 0x0008,
15909 + GMAC_RX_FLTR = 0x000c,
15910 + GMAC_MCAST_FIL0 = 0x0010,
15911 + GMAC_MCAST_FIL1 = 0x0014,
15912 + GMAC_CONFIG0 = 0x0018,
15913 + GMAC_CONFIG1 = 0x001c,
15914 + GMAC_CONFIG2 = 0x0020,
15915 + GMAC_CONFIG3 = 0x0024,
15916 + GMAC_RESERVED = 0x0028,
15917 + GMAC_STATUS = 0x002c,
15918 + GMAC_IN_DISCARDS= 0x0030,
15919 + GMAC_IN_ERRORS = 0x0034,
15920 + GMAC_IN_MCAST = 0x0038,
15921 + GMAC_IN_BCAST = 0x003c,
15922 + GMAC_IN_MAC1 = 0x0040, // for STA 1 MAC Address
15923 + GMAC_IN_MAC2 = 0x0044 // for STA 2 MAC Address
15924 +};
15925 +/**********************************************************************
15926 + * TOE version Register (offset 0x0000)
15927 + **********************************************************************/
15928 +typedef union
15929 +{
15930 + unsigned int bits32;
15931 + struct bit
15932 + {
15933 +#if (BIG_ENDIAN==1)
15934 +
15935 + unsigned int reserved : 15; // bit 31:17
15936 + unsigned int v_bit_mode : 1; // bit 16 1: 128-entry
15937 + unsigned int device_id : 12; // bit 15:4 Device ID
15938 + unsigned int revision_id : 4; // bit 3:0 Revision ID
15939 +#else
15940 + unsigned int revision_id : 4; // bit 3:0 Revision ID
15941 + unsigned int device_id : 12; // bit 15:4 Device ID
15942 + unsigned int v_bit_mode : 1; // bit 16 1: 128-entry
15943 + unsigned int reserved : 15; // bit 31:17
15944 +#endif
15945 + } bits;
15946 +} TOE_VERSION_T;
15947 +
15948 +
15949 +/**********************************************************************
15950 + * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
15951 + **********************************************************************/
15952 +typedef union
15953 +{
15954 + unsigned int bits32;
15955 + unsigned int base_size;
15956 +} DMA_Q_BASE_SIZE_T;
15957 +#define DMA_Q_BASE_MASK (~0x0f)
15958 +
15959 +/**********************************************************************
15960 + * DMA SKB Buffer register (offset 0x0008)
15961 + **********************************************************************/
15962 +typedef union
15963 +{
15964 + unsigned int bits32;
15965 + struct bit_0008
15966 + {
15967 +#if (BIG_ENDIAN==1)
15968 +
15969 + unsigned int hw_skb_size : 16; // bit 31:16 HW Free poll SKB Size
15970 + unsigned int sw_skb_size : 16; // bit 15:0 SW Free poll SKB Size
15971 +#else
15972 + unsigned int sw_skb_size : 16; // bit 15:0 SW Free poll SKB Size
15973 + unsigned int hw_skb_size : 16; // bit 31:16 HW Free poll SKB Size
15974 +#endif
15975 + } bits;
15976 +} DMA_SKB_SIZE_T;
15977 +
15978 +/**********************************************************************
15979 + * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
15980 + **********************************************************************/
15981 +typedef union
15982 +{
15983 + unsigned int bits32;
15984 + struct bit_000c
15985 + {
15986 +#if (BIG_ENDIAN==1)
15987 +
15988 + unsigned int wptr : 16; // bit 31:16 Write Ptr, RW
15989 + unsigned int rptr : 16; // bit 15:0 Read Ptr, RO
15990 +#else
15991 + unsigned int rptr : 16; // bit 15:0 Read Ptr, RO
15992 + unsigned int wptr : 16; // bit 31:16 Write Ptr, RW
15993 +#endif
15994 + } bits;
15995 +} DMA_RWPTR_T;
15996 +
15997 +/**********************************************************************
15998 + * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
15999 + **********************************************************************/
16000 +// see DMA_RWPTR_T structure
16001 +
16002 +/**********************************************************************
16003 + * Interrupt Status Register 0 (offset 0x0020)
16004 + * Interrupt Mask Register 0 (offset 0x0024)
16005 + * Interrupt Select Register 0 (offset 0x0028)
16006 + **********************************************************************/
16007 +typedef union
16008 +{
16009 + unsigned int bits32;
16010 + struct bit_0020
16011 + {
16012 +#if (BIG_ENDIAN==1)
16013 + unsigned int txDerr1 : 1; // bit 31 GMAC1 AHB Bus Error while Tx
16014 + unsigned int txPerr1 : 1; // bit 30 GMAC1 Tx Descriptor Protocol Error
16015 + unsigned int txDerr0 : 1; // bit 29 GMAC0 AHB Bus Error while Tx
16016 + unsigned int txPerr0 : 1; // bit 28 GMAC0 Tx Descriptor Protocol Error
16017 + unsigned int rxDerr1 : 1; // bit 27 GMAC1 AHB Bus Error while Rx
16018 + unsigned int rxPerr1 : 1; // bit 26 GMAC1 Rx Descriptor Protocol Error
16019 + unsigned int rxDerr0 : 1; // bit 25 GMAC0 AHB Bus Error while Rx
16020 + unsigned int rxPerr0 : 1; // bit 24 GMAC0 Rx Descriptor Protocol Error
16021 + unsigned int swtq15_fin : 1; // bit 23 GMAC1 SW Tx Queue 5 Finish Interrupt
16022 + unsigned int swtq14_fin : 1; // bit 22 GMAC1 SW Tx Queue 4 Finish Interrupt
16023 + unsigned int swtq13_fin : 1; // bit 21 GMAC1 SW Tx Queue 3 Finish Interrupt
16024 + unsigned int swtq12_fin : 1; // bit 20 GMAC1 SW Tx Queue 2 Finish Interrupt
16025 + unsigned int swtq11_fin : 1; // bit 19 GMAC1 SW Tx Queue 1 Finish Interrupt
16026 + unsigned int swtq10_fin : 1; // bit 18 GMAC1 SW Tx Queue 0 Finish Interrupt
16027 + unsigned int swtq05_fin : 1; // bit 17 GMAC0 SW Tx Queue 5 Finish Interrupt
16028 + unsigned int swtq04_fin : 1; // bit 16 GMAC0 SW Tx Queue 4 Finish Interrupt
16029 + unsigned int swtq03_fin : 1; // bit 15 GMAC0 SW Tx Queue 3 Finish Interrupt
16030 + unsigned int swtq02_fin : 1; // bit 14 GMAC0 SW Tx Queue 2 Finish Interrupt
16031 + unsigned int swtq01_fin : 1; // bit 13 GMAC0 SW Tx Queue 1 Finish Interrupt
16032 + unsigned int swtq00_fin : 1; // bit 12 GMAC0 SW Tx Queue 0 Finish Interrupt
16033 + unsigned int swtq15_eof : 1; // bit 11 GMAC1 SW Tx Queue 5 EOF Interrupt
16034 + unsigned int swtq14_eof : 1; // bit 10 GMAC1 SW Tx Queue 4 EOF Interrupt
16035 + unsigned int swtq13_eof : 1; // bit 9 GMAC1 SW Tx Queue 3 EOF Interrupt
16036 + unsigned int swtq12_eof : 1; // bit 8 GMAC1 SW Tx Queue 2 EOF Interrupt
16037 + unsigned int swtq11_eof : 1; // bit 7 GMAC1 SW Tx Queue 1 EOF Interrupt
16038 + unsigned int swtq10_eof : 1; // bit 6 GMAC1 SW Tx Queue 0 EOF Interrupt
16039 + unsigned int swtq05_eof : 1; // bit 5 GMAC0 SW Tx Queue 5 EOF Interrupt
16040 + unsigned int swtq04_eof : 1; // bit 4 GMAC0 SW Tx Queue 4 EOF Interrupt
16041 + unsigned int swtq03_eof : 1; // bit 3 GMAC0 SW Tx Queue 3 EOF Interrupt
16042 + unsigned int swtq02_eof : 1; // bit 2 GMAC0 SW Tx Queue 2 EOF Interrupt
16043 + unsigned int swtq01_eof : 1; // bit 1 GMAC0 SW Tx Queue 1 EOF Interrupt
16044 + unsigned int swtq00_eof : 1; // bit 0 GMAC0 SW Tx Queue 0 EOF Interrupt
16045 +#else
16046 + unsigned int swtq00_eof : 1; // bit 0 GMAC0 SW Tx Queue 0 EOF Interrupt
16047 + unsigned int swtq01_eof : 1; // bit 1 GMAC0 SW Tx Queue 1 EOF Interrupt
16048 + unsigned int swtq02_eof : 1; // bit 2 GMAC0 SW Tx Queue 2 EOF Interrupt
16049 + unsigned int swtq03_eof : 1; // bit 3 GMAC0 SW Tx Queue 3 EOF Interrupt
16050 + unsigned int swtq04_eof : 1; // bit 4 GMAC0 SW Tx Queue 4 EOF Interrupt
16051 + unsigned int swtq05_eof : 1; // bit 5 GMAC0 SW Tx Queue 5 EOF Interrupt
16052 + unsigned int swtq10_eof : 1; // bit 6 GMAC1 SW Tx Queue 0 EOF Interrupt
16053 + unsigned int swtq11_eof : 1; // bit 7 GMAC1 SW Tx Queue 1 EOF Interrupt
16054 + unsigned int swtq12_eof : 1; // bit 8 GMAC1 SW Tx Queue 2 EOF Interrupt
16055 + unsigned int swtq13_eof : 1; // bit 9 GMAC1 SW Tx Queue 3 EOF Interrupt
16056 + unsigned int swtq14_eof : 1; // bit 10 GMAC1 SW Tx Queue 4 EOF Interrupt
16057 + unsigned int swtq15_eof : 1; // bit 11 GMAC1 SW Tx Queue 5 EOF Interrupt
16058 + unsigned int swtq00_fin : 1; // bit 12 GMAC0 SW Tx Queue 0 Finish Interrupt
16059 + unsigned int swtq01_fin : 1; // bit 13 GMAC0 SW Tx Queue 1 Finish Interrupt
16060 + unsigned int swtq02_fin : 1; // bit 14 GMAC0 SW Tx Queue 2 Finish Interrupt
16061 + unsigned int swtq03_fin : 1; // bit 15 GMAC0 SW Tx Queue 3 Finish Interrupt
16062 + unsigned int swtq04_fin : 1; // bit 16 GMAC0 SW Tx Queue 4 Finish Interrupt
16063 + unsigned int swtq05_fin : 1; // bit 17 GMAC0 SW Tx Queue 5 Finish Interrupt
16064 + unsigned int swtq10_fin : 1; // bit 18 GMAC1 SW Tx Queue 0 Finish Interrupt
16065 + unsigned int swtq11_fin : 1; // bit 19 GMAC1 SW Tx Queue 1 Finish Interrupt
16066 + unsigned int swtq12_fin : 1; // bit 20 GMAC1 SW Tx Queue 2 Finish Interrupt
16067 + unsigned int swtq13_fin : 1; // bit 21 GMAC1 SW Tx Queue 3 Finish Interrupt
16068 + unsigned int swtq14_fin : 1; // bit 22 GMAC1 SW Tx Queue 4 Finish Interrupt
16069 + unsigned int swtq15_fin : 1; // bit 23 GMAC1 SW Tx Queue 5 Finish Interrupt
16070 + unsigned int rxPerr0 : 1; // bit 24 GMAC0 Rx Descriptor Protocol Error
16071 + unsigned int rxDerr0 : 1; // bit 25 GMAC0 AHB Bus Error while Rx
16072 + unsigned int rxPerr1 : 1; // bit 26 GMAC1 Rx Descriptor Protocol Error
16073 + unsigned int rxDerr1 : 1; // bit 27 GMAC1 AHB Bus Error while Rx
16074 + unsigned int txPerr0 : 1; // bit 28 GMAC0 Tx Descriptor Protocol Error
16075 + unsigned int txDerr0 : 1; // bit 29 GMAC0 AHB Bus Error while Tx
16076 + unsigned int txPerr1 : 1; // bit 30 GMAC1 Tx Descriptor Protocol Error
16077 + unsigned int txDerr1 : 1; // bit 31 GMAC1 AHB Bus Error while Tx
16078 +#endif
16079 + } bits;
16080 +} INTR_REG0_T;
16081 +
16082 +#define GMAC1_TXDERR_INT_BIT BIT(31)
16083 +#define GMAC1_TXPERR_INT_BIT BIT(30)
16084 +#define GMAC0_TXDERR_INT_BIT BIT(29)
16085 +#define GMAC0_TXPERR_INT_BIT BIT(28)
16086 +#define GMAC1_RXDERR_INT_BIT BIT(27)
16087 +#define GMAC1_RXPERR_INT_BIT BIT(26)
16088 +#define GMAC0_RXDERR_INT_BIT BIT(25)
16089 +#define GMAC0_RXPERR_INT_BIT BIT(24)
16090 +#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23)
16091 +#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22)
16092 +#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21)
16093 +#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20)
16094 +#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19)
16095 +#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18)
16096 +#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17)
16097 +#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16)
16098 +#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15)
16099 +#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14)
16100 +#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13)
16101 +#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12)
16102 +#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11)
16103 +#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10)
16104 +#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9)
16105 +#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8)
16106 +#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7)
16107 +#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6)
16108 +#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5)
16109 +#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4)
16110 +#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3)
16111 +#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2)
16112 +#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1)
16113 +#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0)
16114 +
16115 +
16116 +/**********************************************************************
16117 + * Interrupt Status Register 1 (offset 0x0030)
16118 + * Interrupt Mask Register 1 (offset 0x0034)
16119 + * Interrupt Select Register 1 (offset 0x0038)
16120 + **********************************************************************/
16121 +typedef union
16122 +{
16123 + unsigned int bits32;
16124 + struct bit_0030
16125 + {
16126 +#if (BIG_ENDIAN==1)
16127 + unsigned int toe_iq3_full : 1; // bit 31 TOE Interrupt Queue 3 Full Interrupt
16128 + unsigned int toe_iq2_full : 1; // bit 30 TOE Interrupt Queue 2 Full Interrupt
16129 + unsigned int toe_iq1_full : 1; // bit 29 TOE Interrupt Queue 1 Full Interrupt
16130 + unsigned int toe_iq0_full : 1; // bit 28 TOE Interrupt Queue 0 Full Interrupt
16131 + unsigned int toe_iq3_intr : 1; // bit 27 TOE Interrupt Queue 3 with Interrupts
16132 + unsigned int toe_iq2_intr : 1; // bit 26 TOE Interrupt Queue 2 with Interrupts
16133 + unsigned int toe_iq1_intr : 1; // bit 25 TOE Interrupt Queue 1 with Interrupts
16134 + unsigned int toe_iq0_intr : 1; // bit 24 TOE Interrupt Queue 0 with Interrupts
16135 + unsigned int hwtq13_eof : 1; // bit 23 GMAC1 HW Tx Queue3 EOF Interrupt
16136 + unsigned int hwtq12_eof : 1; // bit 22 GMAC1 HW Tx Queue2 EOF Interrupt
16137 + unsigned int hwtq11_eof : 1; // bit 21 GMAC1 HW Tx Queue1 EOF Interrupt
16138 + unsigned int hwtq10_eof : 1; // bit 20 GMAC1 HW Tx Queue0 EOF Interrupt
16139 + unsigned int hwtq03_eof : 1; // bit 19 GMAC0 HW Tx Queue3 EOF Interrupt
16140 + unsigned int hwtq02_eof : 1; // bit 18 GMAC0 HW Tx Queue2 EOF Interrupt
16141 + unsigned int hwtq01_eof : 1; // bit 17 GMAC0 HW Tx Queue1 EOF Interrupt
16142 + unsigned int hwtq00_eof : 1; // bit 16 GMAC0 HW Tx Queue0 EOF Interrupt
16143 + unsigned int class_rx : 14; // bit 15:2 Classification Queue Rx Interrupt
16144 + unsigned int default_q1_eof : 1; // bit 1 Default Queue 1 EOF Interrupt
16145 + unsigned int default_q0_eof : 1; // bit 0 Default Queue 0 EOF Interrupt
16146 +#else
16147 + unsigned int default_q0_eof : 1; // bit 0 Default Queue 0 EOF Interrupt
16148 + unsigned int default_q1_eof : 1; // bit 1 Default Queue 1 EOF Interrupt
16149 + unsigned int class_rx : 14; // bit 15:2 Classification Queue Rx Interrupt
16150 + unsigned int hwtq00_eof : 1; // bit 16 GMAC0 HW Tx Queue0 EOF Interrupt
16151 + unsigned int hwtq01_eof : 1; // bit 17 GMAC0 HW Tx Queue1 EOF Interrupt
16152 + unsigned int hwtq02_eof : 1; // bit 18 GMAC0 HW Tx Queue2 EOF Interrupt
16153 + unsigned int hwtq03_eof : 1; // bit 19 GMAC0 HW Tx Queue3 EOF Interrupt
16154 + unsigned int hwtq10_eof : 1; // bit 20 GMAC1 HW Tx Queue0 EOF Interrupt
16155 + unsigned int hwtq11_eof : 1; // bit 21 GMAC1 HW Tx Queue1 EOF Interrupt
16156 + unsigned int hwtq12_eof : 1; // bit 22 GMAC1 HW Tx Queue2 EOF Interrupt
16157 + unsigned int hwtq13_eof : 1; // bit 23 GMAC1 HW Tx Queue3 EOF Interrupt
16158 + unsigned int toe_iq0_intr : 1; // bit 24 TOE Interrupt Queue 0 with Interrupts
16159 + unsigned int toe_iq1_intr : 1; // bit 25 TOE Interrupt Queue 1 with Interrupts
16160 + unsigned int toe_iq2_intr : 1; // bit 26 TOE Interrupt Queue 2 with Interrupts
16161 + unsigned int toe_iq3_intr : 1; // bit 27 TOE Interrupt Queue 3 with Interrupts
16162 + unsigned int toe_iq0_full : 1; // bit 28 TOE Interrupt Queue 0 Full Interrupt
16163 + unsigned int toe_iq1_full : 1; // bit 29 TOE Interrupt Queue 1 Full Interrupt
16164 + unsigned int toe_iq2_full : 1; // bit 30 TOE Interrupt Queue 2 Full Interrupt
16165 + unsigned int toe_iq3_full : 1; // bit 31 TOE Interrupt Queue 3 Full Interrupt
16166 +#endif
16167 + } bits;
16168 +} INTR_REG1_T;
16169 +
16170 +#define TOE_IQ3_FULL_INT_BIT BIT(31)
16171 +#define TOE_IQ2_FULL_INT_BIT BIT(30)
16172 +#define TOE_IQ1_FULL_INT_BIT BIT(29)
16173 +#define TOE_IQ0_FULL_INT_BIT BIT(28)
16174 +#define TOE_IQ3_INT_BIT BIT(27)
16175 +#define TOE_IQ2_INT_BIT BIT(26)
16176 +#define TOE_IQ1_INT_BIT BIT(25)
16177 +#define TOE_IQ0_INT_BIT BIT(24)
16178 +#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23)
16179 +#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22)
16180 +#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21)
16181 +#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20)
16182 +#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19)
16183 +#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18)
16184 +#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17)
16185 +#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16)
16186 +#define CLASS_RX_INT_BIT(x) BIT((x+2))
16187 +#define DEFAULT_Q1_INT_BIT BIT(1)
16188 +#define DEFAULT_Q0_INT_BIT BIT(0)
16189 +
16190 +#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
16191 + TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
16192 +#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
16193 + TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
16194 +#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
16195 +#define TOE_CLASS_RX_INT_BITS 0xfffc
16196 +
16197 +/**********************************************************************
16198 + * Interrupt Status Register 2 (offset 0x0040)
16199 + * Interrupt Mask Register 2 (offset 0x0044)
16200 + * Interrupt Select Register 2 (offset 0x0048)
16201 + **********************************************************************/
16202 +typedef union
16203 +{
16204 + unsigned int bits32;
16205 + struct bit_0040
16206 + {
16207 +#if (BIG_ENDIAN==1)
16208 + unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt
16209 + unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt
16210 + unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt
16211 + unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt
16212 + unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt
16213 + unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt
16214 + unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt
16215 + unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt
16216 + unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt
16217 + unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt
16218 + unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt
16219 + unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt
16220 + unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt
16221 + unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt
16222 + unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt
16223 + unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt
16224 + unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt
16225 + unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt
16226 + unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt
16227 + unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt
16228 + unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt
16229 + unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt
16230 + unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt
16231 + unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt
16232 + unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt
16233 + unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt
16234 + unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt
16235 + unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt
16236 + unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt
16237 + unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt
16238 + unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt
16239 + unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt
16240 +#else
16241 + unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt
16242 + unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt
16243 + unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt
16244 + unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt
16245 + unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt
16246 + unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt
16247 + unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt
16248 + unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt
16249 + unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt
16250 + unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt
16251 + unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt
16252 + unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt
16253 + unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt
16254 + unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt
16255 + unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt
16256 + unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt
16257 + unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt
16258 + unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt
16259 + unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt
16260 + unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt
16261 + unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt
16262 + unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt
16263 + unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt
16264 + unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt
16265 + unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt
16266 + unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt
16267 + unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt
16268 + unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt
16269 + unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt
16270 + unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt
16271 + unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt
16272 + unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt
16273 +#endif
16274 + } bits;
16275 +} INTR_REG2_T;
16276 +
16277 +#define TOE_QL_FULL_INT_BIT(x) BIT(x)
16278 +
16279 +/**********************************************************************
16280 + * Interrupt Status Register 3 (offset 0x0050)
16281 + * Interrupt Mask Register 3 (offset 0x0054)
16282 + * Interrupt Select Register 3 (offset 0x0058)
16283 + **********************************************************************/
16284 +typedef union
16285 +{
16286 + unsigned int bits32;
16287 + struct bit_0050
16288 + {
16289 +#if (BIG_ENDIAN==1)
16290 + unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt
16291 + unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt
16292 + unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt
16293 + unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt
16294 + unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt
16295 + unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt
16296 + unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt
16297 + unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt
16298 + unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt
16299 + unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt
16300 + unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt
16301 + unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt
16302 + unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt
16303 + unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt
16304 + unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt
16305 + unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt
16306 + unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt
16307 + unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt
16308 + unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt
16309 + unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt
16310 + unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt
16311 + unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt
16312 + unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt
16313 + unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt
16314 + unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt
16315 + unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt
16316 + unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt
16317 + unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt
16318 + unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt
16319 + unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt
16320 + unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt
16321 + unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt
16322 +#else
16323 + unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt
16324 + unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt
16325 + unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt
16326 + unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt
16327 + unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt
16328 + unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt
16329 + unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt
16330 + unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt
16331 + unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt
16332 + unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt
16333 + unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt
16334 + unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt
16335 + unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt
16336 + unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt
16337 + unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt
16338 + unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt
16339 + unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt
16340 + unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt
16341 + unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt
16342 + unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt
16343 + unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt
16344 + unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt
16345 + unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt
16346 + unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt
16347 + unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt
16348 + unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt
16349 + unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt
16350 + unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt
16351 + unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt
16352 + unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt
16353 + unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt
16354 + unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt
16355 +#endif
16356 + } bits;
16357 +} INTR_REG3_T;
16358 +
16359 +#define TOE_QH_FULL_INT_BIT(x) BIT(x-32)
16360 +
16361 +/**********************************************************************
16362 + * Interrupt Status Register 4 (offset 0x0060)
16363 + * Interrupt Mask Register 4 (offset 0x0064)
16364 + * Interrupt Select Register 4 (offset 0x0068)
16365 + **********************************************************************/
16366 +typedef union
16367 +{
16368 + unsigned char byte;
16369 + struct bit_0060
16370 + {
16371 +#if (BIG_ENDIAN==1)
16372 + unsigned char reserved : 1; //
16373 + unsigned char cnt_full : 1; // MIB counters half full interrupt
16374 + unsigned char rx_pause_on : 1; // received pause on frame interrupt
16375 + unsigned char tx_pause_on : 1; // transmit pause on frame interrupt
16376 + unsigned char rx_pause_off : 1; // received pause off frame interrupt
16377 + unsigned char tx_pause_off : 1; // received pause off frame interrupt
16378 + unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt
16379 + unsigned char status_changed: 1; // Status Changed Intr for RGMII Mode
16380 +#else
16381 + unsigned char status_changed: 1; // Status Changed Intr for RGMII Mode
16382 + unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt
16383 + unsigned char tx_pause_off : 1; // received pause off frame interrupt
16384 + unsigned char rx_pause_off : 1; // received pause off frame interrupt
16385 + unsigned char tx_pause_on : 1; // transmit pause on frame interrupt
16386 + unsigned char rx_pause_on : 1; // received pause on frame interrupt
16387 + unsigned char cnt_full : 1; // MIB counters half full interrupt
16388 + unsigned char reserved : 1; //
16389 +#endif
16390 + } _PACKED_ bits;
16391 +} _PACKED_ GMAC_INTR_T;
16392 +
16393 +typedef union
16394 +{
16395 + unsigned int bits32;
16396 + struct bit_0060_2
16397 + {
16398 +#if (BIG_ENDIAN==1)
16399 + GMAC_INTR_T gmac1;
16400 + GMAC_INTR_T gmac0;
16401 + unsigned int class_qf_int: 14; // bit 15:2 Classification Rx Queue13-0 Full Intr.
16402 + unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr.
16403 + unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr.
16404 +#else
16405 +#endif
16406 + unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr.
16407 + unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr.
16408 + unsigned int class_qf_int: 14; // bit 15:2 Classification Rx Queue13-0 Full Intr.
16409 + GMAC_INTR_T gmac0;
16410 + GMAC_INTR_T gmac1;
16411 + } bits;
16412 +} INTR_REG4_T;
16413 +
16414 +#define GMAC1_RESERVED_INT_BIT BIT(31)
16415 +#define GMAC1_MIB_INT_BIT BIT(30)
16416 +#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29)
16417 +#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28)
16418 +#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27)
16419 +#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26)
16420 +#define GMAC1_RX_OVERRUN_INT_BIT BIT(25)
16421 +#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24)
16422 +#define GMAC0_RESERVED_INT_BIT BIT(23)
16423 +#define GMAC0_MIB_INT_BIT BIT(22)
16424 +#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21)
16425 +#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20)
16426 +#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19)
16427 +#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18)
16428 +#define GMAC0_RX_OVERRUN_INT_BIT BIT(17)
16429 +#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16)
16430 +#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2))
16431 +#define HWFQ_EMPTY_INT_BIT BIT(1)
16432 +#define SWFQ_EMPTY_INT_BIT BIT(0)
16433 +
16434 +#if 1
16435 +#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT)
16436 +#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT)
16437 +#else
16438 +#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
16439 + GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \
16440 + GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \
16441 + GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
16442 +#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
16443 + GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \
16444 + GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \
16445 + GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)
16446 +#endif
16447 +
16448 +#define CLASS_RX_FULL_INT_BITS 0xfffc
16449 +
16450 +/**********************************************************************
16451 + * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070)
16452 + **********************************************************************/
16453 +typedef union
16454 +{
16455 + unsigned int bits32;
16456 + struct bit_0070_2
16457 + {
16458 +#if (BIG_ENDIAN==1)
16459 + unsigned int toe_class : 8; // 31:24
16460 + unsigned int intrq : 8; // 23:16
16461 + unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold
16462 + unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold
16463 +#else
16464 +#endif
16465 + unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold
16466 + unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold
16467 + unsigned int intrq : 8; // 23:16
16468 + unsigned int toe_class : 8; // 31:24
16469 + } bits;
16470 +} QUEUE_THRESHOLD_T;
16471 +
16472 +
16473 +/**********************************************************************
16474 + * GMAC DMA Control Register
16475 + * GMAC0 offset 0x8000
16476 + * GMAC1 offset 0xC000
16477 + **********************************************************************/
16478 +typedef union
16479 +{
16480 + unsigned int bits32;
16481 + struct bit_8000
16482 + {
16483 +#if (BIG_ENDIAN==1)
16484 + unsigned int rd_enable : 1; // bit 31 Rx DMA Enable
16485 + unsigned int td_enable : 1; // bit 30 Tx DMA Enable
16486 + unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA
16487 + unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept
16488 + unsigned int reserved : 10; // bit 27:18
16489 + unsigned int rd_insert_bytes : 2; // bit 17:16
16490 + unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control
16491 + unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request
16492 + unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width
16493 + unsigned int td_prot : 4; // bit 7:4 TxDMA protection control
16494 + unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request
16495 + unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width
16496 +#else
16497 + unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width
16498 + unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request
16499 + unsigned int td_prot : 4; // bit 7:4 TxDMA protection control
16500 + unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width
16501 + unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request
16502 + unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control
16503 + unsigned int rd_insert_bytes : 2; // bit 17:16
16504 + unsigned int reserved : 10; // bit 27:18
16505 + unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept
16506 + unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA
16507 + unsigned int td_enable : 1; // bit 30 Tx DMA Enable
16508 + unsigned int rd_enable : 1; // bit 31 Rx DMA Enable
16509 +#endif
16510 + } bits;
16511 +} GMAC_DMA_CTRL_T;
16512 +
16513 +/**********************************************************************
16514 + * GMAC Tx Weighting Control Register 0
16515 + * GMAC0 offset 0x8004
16516 + * GMAC1 offset 0xC004
16517 + **********************************************************************/
16518 +typedef union
16519 +{
16520 + unsigned int bits32;
16521 + struct bit_8004
16522 + {
16523 +#if (BIG_ENDIAN==1)
16524 + unsigned int reserved : 8; // bit 31:24
16525 + unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0
16526 + unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1
16527 + unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2
16528 + unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3
16529 +#else
16530 + unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3
16531 + unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2
16532 + unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1
16533 + unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0
16534 + unsigned int reserved : 8; // bit 31:24
16535 +#endif
16536 + } bits;
16537 +} GMAC_TX_WCR0_T; // Weighting Control Register 0
16538 +
16539 +/**********************************************************************
16540 + * GMAC Tx Weighting Control Register 1
16541 + * GMAC0 offset 0x8008
16542 + * GMAC1 offset 0xC008
16543 + **********************************************************************/
16544 +typedef union
16545 +{
16546 + unsigned int bits32;
16547 + struct bit_8008
16548 + {
16549 +#if (BIG_ENDIAN==1)
16550 + unsigned int reserved : 2; // bit 31:30
16551 + unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5
16552 + unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4
16553 + unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3
16554 + unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2
16555 + unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1
16556 + unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0
16557 +#else
16558 + unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0
16559 + unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1
16560 + unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2
16561 + unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3
16562 + unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4
16563 + unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5
16564 + unsigned int reserved : 2; // bit 31:30
16565 +#endif
16566 + } bits;
16567 +} GMAC_TX_WCR1_T; // Weighting Control Register 1
16568 +
16569 +/**********************************************************************
16570 + * Queue Read/Write Pointer
16571 + * GMAC SW TX Queue 0~5 Read/Write Pointer register
16572 + * GMAC0 offset 0x800C ~ 0x8020
16573 + * GMAC1 offset 0xC00C ~ 0xC020
16574 + * GMAC HW TX Queue 0~3 Read/Write Pointer register
16575 + * GMAC0 offset 0x8024 ~ 0x8030
16576 + * GMAC1 offset 0xC024 ~ 0xC030
16577 + **********************************************************************/
16578 +// see DMA_RWPTR_T structure
16579 +
16580 +/**********************************************************************
16581 + * GMAC DMA Tx First Description Address Register
16582 + * GMAC0 offset 0x8038
16583 + * GMAC1 offset 0xC038
16584 + **********************************************************************/
16585 +typedef union
16586 +{
16587 + unsigned int bits32;
16588 + struct bit_8038
16589 + {
16590 +#if (BIG_ENDIAN==1)
16591 + unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address
16592 + unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle
16593 + unsigned int reserved : 3;
16594 +#else
16595 + unsigned int reserved : 3;
16596 + unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle
16597 + unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address
16598 +#endif
16599 + } bits;
16600 +} GMAC_TXDMA_FIRST_DESC_T;
16601 +
16602 +/**********************************************************************
16603 + * GMAC DMA Tx Current Description Address Register
16604 + * GMAC0 offset 0x803C
16605 + * GMAC1 offset 0xC03C
16606 + **********************************************************************/
16607 +typedef union
16608 +{
16609 + unsigned int bits32;
16610 + struct bit_803C
16611 + {
16612 +#if (BIG_ENDIAN==1)
16613 + unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address
16614 + unsigned int reserved : 4;
16615 +#else
16616 + unsigned int reserved : 4;
16617 + unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address
16618 +#endif
16619 + } bits;
16620 +} GMAC_TXDMA_CURR_DESC_T;
16621 +
16622 +/**********************************************************************
16623 + * GMAC DMA Tx Description Word 0 Register
16624 + * GMAC0 offset 0x8040
16625 + * GMAC1 offset 0xC040
16626 + **********************************************************************/
16627 +typedef union
16628 +{
16629 + unsigned int bits32;
16630 + struct bit_8040
16631 + {
16632 +#if (BIG_ENDIAN==1)
16633 + unsigned int reserved : 1; // bit 31
16634 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
16635 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
16636 + unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits
16637 + unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed
16638 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
16639 + unsigned int buffer_size : 16; // bit 15:0 Transfer size
16640 +#else
16641 + unsigned int buffer_size : 16; // bit 15:0 Transfer size
16642 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
16643 + unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed
16644 + unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits
16645 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
16646 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
16647 + unsigned int reserved : 1; // bit 31
16648 +#endif
16649 + } bits;
16650 +} GMAC_TXDESC_0_T;
16651 +
16652 +/**********************************************************************
16653 + * GMAC DMA Tx Description Word 1 Register
16654 + * GMAC0 offset 0x8044
16655 + * GMAC1 offset 0xC044
16656 + **********************************************************************/
16657 +typedef union
16658 +{
16659 + unsigned int bits32;
16660 + struct txdesc_word1
16661 + {
16662 +#if (BIG_ENDIAN==1)
16663 + unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved
16664 + unsigned int ip_fixed_len: 1; // bit 22
16665 + unsigned int bypass_tss : 1; // bit 21
16666 + unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable
16667 + unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable
16668 + unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable
16669 + unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable
16670 + unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting
16671 + unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count
16672 +#else
16673 + unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count
16674 + unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting
16675 + unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable
16676 + unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable
16677 + unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable
16678 + unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable
16679 + unsigned int bypass_tss : 1; // bit 21
16680 + unsigned int ip_fixed_len: 1; // bit 22
16681 + unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved
16682 +#endif
16683 + } bits;
16684 +} GMAC_TXDESC_1_T;
16685 +
16686 +#define TSS_IP_FIXED_LEN_BIT BIT(22)
16687 +#define TSS_UDP_CHKSUM_BIT BIT(20)
16688 +#define TSS_TCP_CHKSUM_BIT BIT(19)
16689 +#define TSS_IPV6_ENABLE_BIT BIT(18)
16690 +#define TSS_IP_CHKSUM_BIT BIT(17)
16691 +#define TSS_MTU_ENABLE_BIT BIT(16)
16692 +
16693 +/**********************************************************************
16694 + * GMAC DMA Tx Description Word 2 Register
16695 + * GMAC0 offset 0x8048
16696 + * GMAC1 offset 0xC048
16697 + **********************************************************************/
16698 +typedef union
16699 +{
16700 + unsigned int bits32;
16701 + unsigned int buf_adr;
16702 +} GMAC_TXDESC_2_T;
16703 +
16704 +/**********************************************************************
16705 + * GMAC DMA Tx Description Word 3 Register
16706 + * GMAC0 offset 0x804C
16707 + * GMAC1 offset 0xC04C
16708 + **********************************************************************/
16709 +typedef union
16710 +{
16711 + unsigned int bits32;
16712 + struct txdesc_word3
16713 + {
16714 +#if (BIG_ENDIAN==1)
16715 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
16716 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
16717 + unsigned int reserved : 18; // bit 28:11
16718 + unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count
16719 +#else
16720 + unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count
16721 + unsigned int reserved : 18; // bit 28:11
16722 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
16723 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
16724 +#endif
16725 + } bits;
16726 +} GMAC_TXDESC_3_T;
16727 +#define SOF_EOF_BIT_MASK 0x3fffffff
16728 +#define SOF_BIT 0x80000000
16729 +#define EOF_BIT 0x40000000
16730 +#define EOFIE_BIT BIT(29)
16731 +#define MTU_SIZE_BIT_MASK 0x7ff
16732 +
16733 +/**********************************************************************
16734 + * GMAC Tx Descriptor
16735 + **********************************************************************/
16736 +typedef struct
16737 +{
16738 + GMAC_TXDESC_0_T word0;
16739 + GMAC_TXDESC_1_T word1;
16740 + GMAC_TXDESC_2_T word2;
16741 + GMAC_TXDESC_3_T word3;
16742 +} GMAC_TXDESC_T;
16743 +
16744 +
16745 +/**********************************************************************
16746 + * GMAC DMA Rx First Description Address Register
16747 + * GMAC0 offset 0x8058
16748 + * GMAC1 offset 0xC058
16749 + **********************************************************************/
16750 +typedef union
16751 +{
16752 + unsigned int bits32;
16753 + struct bit_8058
16754 + {
16755 +#if (BIG_ENDIAN==1)
16756 + unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address
16757 + unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle
16758 + unsigned int reserved : 3; // bit 2:0
16759 +#else
16760 + unsigned int reserved : 3; // bit 2:0
16761 + unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle
16762 + unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address
16763 +#endif
16764 + } bits;
16765 +} GMAC_RXDMA_FIRST_DESC_T;
16766 +
16767 +/**********************************************************************
16768 + * GMAC DMA Rx Current Description Address Register
16769 + * GMAC0 offset 0x805C
16770 + * GMAC1 offset 0xC05C
16771 + **********************************************************************/
16772 +typedef union
16773 +{
16774 + unsigned int bits32;
16775 + struct bit_805C
16776 + {
16777 +#if (BIG_ENDIAN==1)
16778 + unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address
16779 + unsigned int reserved : 4; // bit 3:0
16780 +#else
16781 + unsigned int reserved : 4; // bit 3:0
16782 + unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address
16783 +#endif
16784 + } bits;
16785 +} GMAC_RXDMA_CURR_DESC_T;
16786 +
16787 +/**********************************************************************
16788 + * GMAC DMA Rx Description Word 0 Register
16789 + * GMAC0 offset 0x8060
16790 + * GMAC1 offset 0xC060
16791 + **********************************************************************/
16792 +typedef union
16793 +{
16794 + unsigned int bits32;
16795 + struct bit_8060
16796 + {
16797 +#if (BIG_ENDIAN==1)
16798 + unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue
16799 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
16800 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
16801 + unsigned int chksum_status : 3; // bit 28:26 Check Sum Status
16802 + unsigned int status : 4; // bit 24:22 Status of rx frame
16803 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
16804 + unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame
16805 +#else
16806 + unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame
16807 + unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame
16808 + unsigned int status : 4; // bit 24:22 Status of rx frame
16809 + unsigned int chksum_status : 3; // bit 28:26 Check Sum Status
16810 + unsigned int perr : 1; // bit 29 protocol error during processing this descriptor
16811 + unsigned int derr : 1; // bit 30 data error during processing this descriptor
16812 + unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue
16813 +#endif
16814 + } bits;
16815 +} GMAC_RXDESC_0_T;
16816 +
16817 +#define GMAC_RXDESC_0_T_derr BIT(30)
16818 +#define GMAC_RXDESC_0_T_perr BIT(29)
16819 +#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26))
16820 +#define GMAC_RXDESC_0_T_status(x) BIT((x+22))
16821 +#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16))
16822 +
16823 +#define RX_CHKSUM_IP_UDP_TCP_OK 0
16824 +#define RX_CHKSUM_IP_OK_ONLY 1
16825 +#define RX_CHKSUM_NONE 2
16826 +#define RX_CHKSUM_IP_ERR_UNKNOWN 4
16827 +#define RX_CHKSUM_IP_ERR 5
16828 +#define RX_CHKSUM_TCP_UDP_ERR 6
16829 +#define RX_CHKSUM_NUM 8
16830 +
16831 +#define RX_STATUS_GOOD_FRAME 0
16832 +#define RX_STATUS_TOO_LONG_GOOD_CRC 1
16833 +#define RX_STATUS_RUNT_FRAME 2
16834 +#define RX_STATUS_SFD_NOT_FOUND 3
16835 +#define RX_STATUS_CRC_ERROR 4
16836 +#define RX_STATUS_TOO_LONG_BAD_CRC 5
16837 +#define RX_STATUS_ALIGNMENT_ERROR 6
16838 +#define RX_STATUS_TOO_LONG_BAD_ALIGN 7
16839 +#define RX_STATUS_RX_ERR 8
16840 +#define RX_STATUS_DA_FILTERED 9
16841 +#define RX_STATUS_BUFFER_FULL 10
16842 +#define RX_STATUS_NUM 16
16843 +
16844 +
16845 +/**********************************************************************
16846 + * GMAC DMA Rx Description Word 1 Register
16847 + * GMAC0 offset 0x8064
16848 + * GMAC1 offset 0xC064
16849 + **********************************************************************/
16850 +typedef union
16851 +{
16852 + unsigned int bits32;
16853 + struct rxdesc_word1
16854 + {
16855 +#if (BIG_ENDIAN==1)
16856 + unsigned int sw_id : 16; // bit 31:16 Software ID
16857 + unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count
16858 +#else
16859 + unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count
16860 + unsigned int sw_id : 16; // bit 31:16 Software ID
16861 +#endif
16862 + } bits;
16863 +} GMAC_RXDESC_1_T;
16864 +
16865 +/**********************************************************************
16866 + * GMAC DMA Rx Description Word 2 Register
16867 + * GMAC0 offset 0x8068
16868 + * GMAC1 offset 0xC068
16869 + **********************************************************************/
16870 +typedef union
16871 +{
16872 + unsigned int bits32;
16873 + unsigned int buf_adr;
16874 +} GMAC_RXDESC_2_T;
16875 +
16876 +#define RX_INSERT_NONE 0
16877 +#define RX_INSERT_1_BYTE 1
16878 +#define RX_INSERT_2_BYTE 2
16879 +#define RX_INSERT_3_BYTE 3
16880 +
16881 +#define RX_INSERT_BYTES RX_INSERT_2_BYTE
16882 +/**********************************************************************
16883 + * GMAC DMA Rx Description Word 3 Register
16884 + * GMAC0 offset 0x806C
16885 + * GMAC1 offset 0xC06C
16886 + **********************************************************************/
16887 +typedef union
16888 +{
16889 + unsigned int bits32;
16890 + struct rxdesc_word3
16891 + {
16892 +#if (BIG_ENDIAN==1)
16893 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
16894 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
16895 + unsigned int ctrl_flag : 1; // bit 28 Control Flag is present
16896 + unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet
16897 + unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header
16898 + unsigned int abnormal : 1; // bit 25 abnormal case found
16899 + unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected
16900 + unsigned int l7_offset : 8; // bit 23: 16 L7 data offset
16901 + unsigned int l4_offset : 8; // bit 15: 8 L4 data offset
16902 + unsigned int l3_offset : 8; // bit 7: 0 L3 data offset
16903 +#else
16904 + unsigned int l3_offset : 8; // bit 7: 0 L3 data offset
16905 + unsigned int l4_offset : 8; // bit 15: 8 L4 data offset
16906 + unsigned int l7_offset : 8; // bit 23: 16 L7 data offset
16907 + unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected
16908 + unsigned int abnormal : 1; // bit 25 abnormal case found
16909 + unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header
16910 + unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet
16911 + unsigned int ctrl_flag : 1; // bit 28 Control Flag is present
16912 + unsigned int eofie : 1; // bit 29 End of frame interrupt enable
16913 + unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking
16914 +#endif
16915 + } bits;
16916 +} GMAC_RXDESC_3_T;
16917 +
16918 +/**********************************************************************
16919 + * GMAC Rx Descriptor
16920 + **********************************************************************/
16921 +typedef struct
16922 +{
16923 + GMAC_RXDESC_0_T word0;
16924 + GMAC_RXDESC_1_T word1;
16925 + GMAC_RXDESC_2_T word2;
16926 + GMAC_RXDESC_3_T word3;
16927 +} GMAC_RXDESC_T;
16928 +
16929 +/**********************************************************************
16930 + * GMAC Hash Engine Enable/Action Register 0 Offset Register
16931 + * GMAC0 offset 0x8070
16932 + * GMAC1 offset 0xC070
16933 + **********************************************************************/
16934 +typedef union
16935 +{
16936 + unsigned int bits32;
16937 + struct bit_8070
16938 + {
16939 +#if (BIG_ENDIAN==1)
16940 + unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1
16941 + unsigned int reserved1 : 1; // bit 30
16942 + unsigned int timing : 3; // bit 29:27
16943 + unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset
16944 + unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size
16945 + unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0
16946 + unsigned int reserved0 : 4; // bit 14:11
16947 + unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset
16948 + unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size
16949 +#else
16950 + unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size
16951 + unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset
16952 + unsigned int reserved0 : 4; // bit 14:11
16953 + unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0
16954 + unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size
16955 + unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset
16956 + unsigned int timing : 3; // bit 29:27
16957 + unsigned int reserved1 : 1; // bit 30
16958 + unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1
16959 +#endif
16960 + } bits;
16961 +} GMAC_HASH_ENABLE_REG0_T;
16962 +
16963 +/**********************************************************************
16964 + * GMAC Hash Engine Enable/Action Register 1 Offset Register
16965 + * GMAC0 offset 0x8074
16966 + * GMAC1 offset 0xC074
16967 + **********************************************************************/
16968 +typedef union
16969 +{
16970 + unsigned int bits32;
16971 + struct bit_8074
16972 + {
16973 +#if (BIG_ENDIAN==1)
16974 + unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3
16975 + unsigned int reserved3 : 4; // bit 30:27
16976 + unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset
16977 + unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size
16978 + unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2
16979 + unsigned int reserved2 : 4; // bit 14:11
16980 + unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset
16981 + unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size
16982 +#else
16983 + unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size
16984 + unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset
16985 + unsigned int reserved2 : 4; // bit 14:11
16986 + unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2
16987 + unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size
16988 + unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset
16989 + unsigned int reserved1 : 4; // bit 30:27
16990 + unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3
16991 +#endif
16992 + } bits;
16993 +} GMAC_HASH_ENABLE_REG1_T;
16994 +
16995 +
16996 +/**********************************************************************
16997 + * GMAC Matching Rule Control Register 0
16998 + * GMAC0 offset 0x8078
16999 + * GMAC1 offset 0xC078
17000 + **********************************************************************/
17001 +typedef union
17002 +{
17003 + unsigned int bits32;
17004 + struct bit_8078
17005 + {
17006 +#if (BIG_ENDIAN==1)
17007 + unsigned int l2 : 1; // bit 31 L2 matching enable
17008 + unsigned int l3 : 1; // bit 30 L3 matching enable
17009 + unsigned int l4 : 1; // bit 29 L4 matching enable
17010 + unsigned int l7 : 1; // bit 28 L7 matching enable
17011 + unsigned int port : 1; // bit 27 PORT ID matching enable
17012 + unsigned int priority : 3; // bit 26:24 priority if multi-rules matched
17013 + unsigned int da : 1; // bit 23 MAC DA enable
17014 + unsigned int sa : 1; // bit 22 MAC SA enable
17015 + unsigned int ether_type : 1; // bit 21 Ethernet type enable
17016 + unsigned int vlan : 1; // bit 20 VLAN ID enable
17017 + unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable
17018 + unsigned int reserved1 : 3; // bit 18:16
17019 + unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6
17020 + unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length
17021 + unsigned int flow_lable : 1; // bit 13 IPV6 Flow label
17022 + unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class
17023 + unsigned int reserved2 : 4; // bit 11:8
17024 + unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0
17025 +#else
17026 + unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0
17027 + unsigned int reserved2 : 4; // bit 11:8
17028 + unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class
17029 + unsigned int flow_lable : 1; // bit 13 IPV6 Flow label
17030 + unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length
17031 + unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6
17032 + unsigned int reserved1 : 3; // bit 18:16
17033 + unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable
17034 + unsigned int vlan : 1; // bit 20 VLAN ID enable
17035 + unsigned int ether_type : 1; // bit 21 Ethernet type enable
17036 + unsigned int sa : 1; // bit 22 MAC SA enable
17037 + unsigned int da : 1; // bit 23 MAC DA enable
17038 + unsigned int priority : 3; // bit 26:24 priority if multi-rules matched
17039 + unsigned int port : 1; // bit 27 PORT ID matching enable
17040 + unsigned int l7 : 1; // bit 28 L7 matching enable
17041 + unsigned int l4 : 1; // bit 29 L4 matching enable
17042 + unsigned int l3 : 1; // bit 30 L3 matching enable
17043 + unsigned int l2 : 1; // bit 31 L2 matching enable
17044 +#endif
17045 + } bits;
17046 +} GMAC_MRxCR0_T;
17047 +
17048 +#define MR_L2_BIT BIT(31)
17049 +#define MR_L3_BIT BIT(30)
17050 +#define MR_L4_BIT BIT(29)
17051 +#define MR_L7_BIT BIT(28)
17052 +#define MR_PORT_BIT BIT(27)
17053 +#define MR_PRIORITY_BIT BIT(26)
17054 +#define MR_DA_BIT BIT(23)
17055 +#define MR_SA_BIT BIT(22)
17056 +#define MR_ETHER_TYPE_BIT BIT(21)
17057 +#define MR_VLAN_BIT BIT(20)
17058 +#define MR_PPPOE_BIT BIT(19)
17059 +#define MR_IP_VER_BIT BIT(15)
17060 +#define MR_IP_HDR_LEN_BIT BIT(14)
17061 +#define MR_FLOW_LABLE_BIT BIT(13)
17062 +#define MR_TOS_TRAFFIC_BIT BIT(12)
17063 +#define MR_SPR_BIT(x) BIT(x)
17064 +#define MR_SPR_BITS 0xff
17065 +
17066 +/**********************************************************************
17067 + * GMAC Matching Rule Control Register 1
17068 + * GMAC0 offset 0x807C
17069 + * GMAC1 offset 0xC07C
17070 + **********************************************************************/
17071 + typedef union
17072 +{
17073 + unsigned int bits32;
17074 + struct bit_807C
17075 + {
17076 +#if (BIG_ENDIAN==1)
17077 + unsigned int sip : 1; // bit 31 Srce IP
17078 + unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits
17079 + unsigned int dip : 1; // bit 23 Dest IP
17080 + unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits
17081 + unsigned int l4_byte0_15 : 16; // bit 15: 0
17082 +#else
17083 + unsigned int l4_byte0_15 : 16; // bit 15: 0
17084 + unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits
17085 + unsigned int dip : 1; // bit 23 Dest IP
17086 + unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits
17087 + unsigned int sip : 1; // bit 31 Srce IP
17088 +#endif
17089 + } bits;
17090 +} GMAC_MRxCR1_T;
17091 +
17092 +/**********************************************************************
17093 + * GMAC Matching Rule Control Register 2
17094 + * GMAC0 offset 0x8080
17095 + * GMAC1 offset 0xC080
17096 + **********************************************************************/
17097 + typedef union
17098 +{
17099 + unsigned int bits32;
17100 + struct bit_8080
17101 + {
17102 +#if (BIG_ENDIAN==1)
17103 + unsigned int l4_byte16_24: 8; // bit 31: 24
17104 + unsigned int l7_byte0_23 : 24; // bit 23:0
17105 +#else
17106 + unsigned int l7_byte0_23 : 24; // bit 23:0
17107 + unsigned int l4_byte16_24: 8; // bit 31: 24
17108 +#endif
17109 + } bits;
17110 +} GMAC_MRxCR2_T;
17111 +
17112 +
17113 +/**********************************************************************
17114 + * GMAC Support registers
17115 + * GMAC0 offset 0x80A8
17116 + * GMAC1 offset 0xC0A8
17117 + **********************************************************************/
17118 + typedef union
17119 +{
17120 + unsigned int bits32;
17121 + struct bit_80A8
17122 + {
17123 +#if (BIG_ENDIAN==1)
17124 + unsigned int reserved: 21; // bit 31:11
17125 + unsigned int swap : 3; // bit 10:8 Swap
17126 + unsigned int protocol: 8; // bit 7:0 Supported protocol
17127 +#else
17128 + unsigned int protocol: 8; // bit 7:0 Supported protocol
17129 + unsigned int swap : 3; // bit 10:8 Swap
17130 + unsigned int reserved: 21; // bit 31:11
17131 +#endif
17132 + } bits;
17133 +} GMAC_SPR_T;
17134 +
17135 +/**********************************************************************
17136 + * GMAC_AHB_WEIGHT registers
17137 + * GMAC0 offset 0x80C8
17138 + * GMAC1 offset 0xC0C8
17139 + **********************************************************************/
17140 + typedef union
17141 +{
17142 + unsigned int bits32;
17143 + struct bit_80C8
17144 + {
17145 +#if (BIG_ENDIAN==1)
17146 + unsigned int reserved : 7; // 31:25
17147 + unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
17148 + unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold
17149 + unsigned int tx_weight : 5; // 14:10
17150 + unsigned int rx_weight : 5; // 9:5
17151 + unsigned int hash_weight : 5; // 4:0
17152 +#else
17153 + unsigned int hash_weight : 5; // 4:0
17154 + unsigned int rx_weight : 5; // 9:5
17155 + unsigned int tx_weight : 5; // 14:10
17156 + unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold
17157 + unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
17158 + unsigned int reserved : 7; // 31:25
17159 +#endif
17160 + } bits;
17161 +} GMAC_AHB_WEIGHT_T;
17162 +/**********************************************************************
17163 + * the register structure of GMAC
17164 + **********************************************************************/
17165 +
17166 +/**********************************************************************
17167 + * GMAC RX FLTR
17168 + * GMAC0 Offset 0xA00C
17169 + * GMAC1 Offset 0xE00C
17170 + **********************************************************************/
17171 +typedef union
17172 +{
17173 + unsigned int bits32;
17174 + struct bit1_000c
17175 + {
17176 +#if (BIG_ENDIAN==1)
17177 + unsigned int : 27;
17178 + unsigned int error : 1; /* enable receive of all error frames */
17179 + unsigned int promiscuous : 1; /* enable receive of all frames */
17180 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
17181 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
17182 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
17183 +#else
17184 + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */
17185 + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */
17186 + unsigned int broadcast : 1; /* enable receive of broadcast frames */
17187 + unsigned int promiscuous : 1; /* enable receive of all frames */
17188 + unsigned int error : 1; /* enable receive of all error frames */
17189 + unsigned int : 27;
17190 +#endif
17191 + } bits;
17192 +} GMAC_RX_FLTR_T;
17193 +
17194 +/**********************************************************************
17195 + * GMAC Configuration 0
17196 + * GMAC0 Offset 0xA018
17197 + * GMAC1 Offset 0xE018
17198 + **********************************************************************/
17199 +typedef union
17200 +{
17201 + unsigned int bits32;
17202 + struct bit1_0018
17203 + {
17204 +#if (BIG_ENDIAN==1)
17205 + unsigned int reserved : 2; // 31
17206 + unsigned int port1_chk_classq : 1; // 29
17207 + unsigned int port0_chk_classq : 1; // 28
17208 + unsigned int port1_chk_toeq : 1; // 27
17209 + unsigned int port0_chk_toeq : 1; // 26
17210 + unsigned int port1_chk_hwq : 1; // 25
17211 + unsigned int port0_chk_hwq : 1; // 24
17212 + unsigned int rx_err_detect : 1; // 23
17213 + unsigned int ipv6_exthdr_order: 1; // 22
17214 + unsigned int rxc_inv : 1; // 21
17215 + unsigned int rgmm_edge : 1; // 20
17216 + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */
17217 + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */
17218 + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */
17219 + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */
17220 + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */
17221 + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */
17222 + unsigned int sim_test : 1; /* 13: speed up timers in simulation */
17223 + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */
17224 + unsigned int dis_bkoff : 1; /* 11: disable back-off function */
17225 + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */
17226 + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */
17227 + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */
17228 + unsigned int loop_back : 1; /* 2: transmit data loopback enable */
17229 + unsigned int dis_rx : 1; /* 1: disable receive */
17230 + unsigned int dis_tx : 1; /* 0: disable transmit */
17231 +#else
17232 + unsigned int dis_tx : 1; /* 0: disable transmit */
17233 + unsigned int dis_rx : 1; /* 1: disable receive */
17234 + unsigned int loop_back : 1; /* 2: transmit data loopback enable */
17235 + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */
17236 + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */
17237 + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */
17238 + unsigned int dis_bkoff : 1; /* 11: disable back-off function */
17239 + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */
17240 + unsigned int sim_test : 1; /* 13: speed up timers in simulation */
17241 + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */
17242 + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */
17243 + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */
17244 + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */
17245 + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */
17246 + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */
17247 + unsigned int rgmm_edge : 1; // 20
17248 + unsigned int rxc_inv : 1; // 21
17249 + unsigned int ipv6_exthdr_order: 1; // 22
17250 + unsigned int rx_err_detect : 1; // 23
17251 + unsigned int port0_chk_hwq : 1; // 24
17252 + unsigned int port1_chk_hwq : 1; // 25
17253 + unsigned int port0_chk_toeq : 1; // 26
17254 + unsigned int port1_chk_toeq : 1; // 27
17255 + unsigned int port0_chk_classq : 1; // 28
17256 + unsigned int port1_chk_classq : 1; // 29
17257 + unsigned int reserved : 2; // 31
17258 +#endif
17259 + } bits;
17260 +} GMAC_CONFIG0_T;
17261 +
17262 +/**********************************************************************
17263 + * GMAC Configuration 1
17264 + * GMAC0 Offset 0xA01C
17265 + * GMAC1 Offset 0xE01C
17266 + **********************************************************************/
17267 +typedef union
17268 +{
17269 + unsigned int bits32;
17270 + struct bit1_001c
17271 + {
17272 +#if (BIG_ENDIAN==1)
17273 + unsigned int reserved : 16;
17274 + unsigned int rel_threshold : 8; /* flow control release threshold */
17275 + unsigned int set_threshold : 8; /* flow control set threshold */
17276 +#else
17277 + unsigned int set_threshold : 8; /* flow control set threshold */
17278 + unsigned int rel_threshold : 8; /* flow control release threshold */
17279 + unsigned int reserved : 16;
17280 +#endif
17281 + } bits;
17282 +} GMAC_CONFIG1_T;
17283 +
17284 +#define GMAC_FLOWCTRL_SET_MAX 32
17285 +#define GMAC_FLOWCTRL_SET_MIN 0
17286 +#define GMAC_FLOWCTRL_RELEASE_MAX 32
17287 +#define GMAC_FLOWCTRL_RELEASE_MIN 0
17288 +
17289 +/**********************************************************************
17290 + * GMAC Configuration 2
17291 + * GMAC0 Offset 0xA020
17292 + * GMAC1 Offset 0xE020
17293 + **********************************************************************/
17294 +typedef union
17295 +{
17296 + unsigned int bits32;
17297 + struct bit1_0020
17298 + {
17299 +#if (BIG_ENDIAN==1)
17300 + unsigned int rel_threshold : 16; /* flow control release threshold */
17301 + unsigned int set_threshold : 16; /* flow control set threshold */
17302 +#else
17303 + unsigned int set_threshold : 16; /* flow control set threshold */
17304 + unsigned int rel_threshold : 16; /* flow control release threshold */
17305 +#endif
17306 + } bits;
17307 +} GMAC_CONFIG2_T;
17308 +
17309 +/**********************************************************************
17310 + * GMAC Configuration 3
17311 + * GMAC0 Offset 0xA024
17312 + * GMAC1 Offset 0xE024
17313 + **********************************************************************/
17314 +typedef union
17315 +{
17316 + unsigned int bits32;
17317 + struct bit1_0024
17318 + {
17319 +#if (BIG_ENDIAN==1)
17320 + unsigned int rel_threshold : 16; /* flow control release threshold */
17321 + unsigned int set_threshold : 16; /* flow control set threshold */
17322 +#else
17323 + unsigned int set_threshold : 16; /* flow control set threshold */
17324 + unsigned int rel_threshold : 16; /* flow control release threshold */
17325 +#endif
17326 + } bits;
17327 +} GMAC_CONFIG3_T;
17328 +
17329 +
17330 +/**********************************************************************
17331 + * GMAC STATUS
17332 + * GMAC0 Offset 0xA02C
17333 + * GMAC1 Offset 0xE02C
17334 + **********************************************************************/
17335 +typedef union
17336 +{
17337 + unsigned int bits32;
17338 + struct bit1_002c
17339 + {
17340 +#if (BIG_ENDIAN==1)
17341 + unsigned int : 25;
17342 + unsigned int mii_rmii : 2; /* PHY interface type */
17343 + unsigned int reserved : 1;
17344 + unsigned int duplex : 1; /* duplex mode */
17345 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
17346 + unsigned int link : 1; /* link status */
17347 +#else
17348 + unsigned int link : 1; /* link status */
17349 + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */
17350 + unsigned int duplex : 1; /* duplex mode */
17351 + unsigned int reserved : 1;
17352 + unsigned int mii_rmii : 2; /* PHY interface type */
17353 + unsigned int : 25;
17354 +#endif
17355 + } bits;
17356 +} GMAC_STATUS_T;
17357 +
17358 +#define GMAC_SPEED_10 0
17359 +#define GMAC_SPEED_100 1
17360 +#define GMAC_SPEED_1000 2
17361 +
17362 +#define GMAC_PHY_MII 0
17363 +#define GMAC_PHY_GMII 1
17364 +#define GMAC_PHY_RGMII_100 2
17365 +#define GMAC_PHY_RGMII_1000 3
17366 +
17367 +/**********************************************************************
17368 + * Queue Header
17369 + * (1) TOE Queue Header
17370 + * (2) Non-TOE Queue Header
17371 + * (3) Interrupt Queue Header
17372 + *
17373 + * memory Layout
17374 + * TOE Queue Header
17375 + * 0x60003000 +---------------------------+ 0x0000
17376 + * | TOE Queue 0 Header |
17377 + * | 8 * 4 Bytes |
17378 + * +---------------------------+ 0x0020
17379 + * | TOE Queue 1 Header |
17380 + * | 8 * 4 Bytes |
17381 + * +---------------------------+ 0x0040
17382 + * | ...... |
17383 + * | |
17384 + * +---------------------------+
17385 + *
17386 + * Non TOE Queue Header
17387 + * 0x60002000 +---------------------------+ 0x0000
17388 + * | Default Queue 0 Header |
17389 + * | 2 * 4 Bytes |
17390 + * +---------------------------+ 0x0008
17391 + * | Default Queue 1 Header |
17392 + * | 2 * 4 Bytes |
17393 + * +---------------------------+ 0x0010
17394 + * | Classification Queue 0 |
17395 + * | 2 * 4 Bytes |
17396 + * +---------------------------+
17397 + * | Classification Queue 1 |
17398 + * | 2 * 4 Bytes |
17399 + * +---------------------------+ (n * 8 + 0x10)
17400 + * | ... |
17401 + * | 2 * 4 Bytes |
17402 + * +---------------------------+ (13 * 8 + 0x10)
17403 + * | Classification Queue 13 |
17404 + * | 2 * 4 Bytes |
17405 + * +---------------------------+ 0x80
17406 + * | Interrupt Queue 0 |
17407 + * | 2 * 4 Bytes |
17408 + * +---------------------------+
17409 + * | Interrupt Queue 1 |
17410 + * | 2 * 4 Bytes |
17411 + * +---------------------------+
17412 + * | Interrupt Queue 2 |
17413 + * | 2 * 4 Bytes |
17414 + * +---------------------------+
17415 + * | Interrupt Queue 3 |
17416 + * | 2 * 4 Bytes |
17417 + * +---------------------------+
17418 + *
17419 + **********************************************************************/
17420 +#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32)
17421 +#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX+1))
17422 +#define TOE_DEFAULT_Q0_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x00)
17423 +#define TOE_DEFAULT_Q1_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x08)
17424 +#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10)
17425 +#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80)
17426 +#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8)
17427 +#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX+1))
17428 +/**********************************************************************
17429 + * TOE Queue Header Word 0
17430 + **********************************************************************/
17431 +typedef union
17432 +{
17433 + unsigned int bits32;
17434 + unsigned int base_size;
17435 +} TOE_QHDR0_T;
17436 +
17437 +#define TOE_QHDR0_BASE_MASK (~0x0f)
17438 +
17439 +/**********************************************************************
17440 + * TOE Queue Header Word 1
17441 + **********************************************************************/
17442 +typedef union
17443 +{
17444 + unsigned int bits32;
17445 + struct bit_qhdr1
17446 + {
17447 +#if (BIG_ENDIAN==1)
17448 +
17449 + unsigned int wptr : 16; // bit 31:16
17450 + unsigned int rptr : 16; // bit 15:0
17451 +#else
17452 + unsigned int rptr : 16; // bit 15:0
17453 + unsigned int wptr : 16; // bit 31:16
17454 +#endif
17455 + } bits;
17456 +} TOE_QHDR1_T;
17457 +
17458 +/**********************************************************************
17459 + * TOE Queue Header Word 2
17460 + **********************************************************************/
17461 +typedef union
17462 +{
17463 + unsigned int bits32;
17464 + struct bit_qhdr2
17465 + {
17466 +#if (BIG_ENDIAN==1)
17467 +
17468 + unsigned int usd : 1; // bit 31 0: if no data assembled yet
17469 + unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack)
17470 + unsigned int osq : 1; // bit 29 1: out of sequence
17471 + unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
17472 + unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header
17473 + unsigned int tcp_opt : 1; // bit 26 1: Have TCP option
17474 + unsigned int abn : 1; // bit 25 1: Abnormal case Found
17475 + unsigned int dack : 1; // bit 24 1: Duplicated ACK
17476 + unsigned int reserved : 7; // bit 23:17
17477 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
17478 +#else
17479 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
17480 + unsigned int reserved : 7; // bit 23:17
17481 + unsigned int dack : 1; // bit 24 1: Duplicated ACK
17482 + unsigned int abn : 1; // bit 25 1: Abnormal case Found
17483 + unsigned int tcp_opt : 1; // bit 26 1: Have TCP option
17484 + unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header
17485 + unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
17486 + unsigned int osq : 1; // bit 29 1: out of sequence
17487 + unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack)
17488 + unsigned int usd : 1; // bit 31 0: if no data assembled yet
17489 +#endif
17490 + } bits;
17491 +} TOE_QHDR2_T;
17492 +
17493 +/**********************************************************************
17494 + * TOE Queue Header Word 3
17495 + **********************************************************************/
17496 +typedef union
17497 +{
17498 + unsigned int bits32;
17499 + unsigned int seq_num;
17500 +} TOE_QHDR3_T;
17501 +
17502 +/**********************************************************************
17503 + * TOE Queue Header Word 4
17504 + **********************************************************************/
17505 +typedef union
17506 +{
17507 + unsigned int bits32;
17508 + unsigned int ack_num;
17509 +} TOE_QHDR4_T;
17510 +
17511 +/**********************************************************************
17512 + * TOE Queue Header Word 5
17513 + **********************************************************************/
17514 +typedef union
17515 +{
17516 + unsigned int bits32;
17517 + struct bit_qhdr5
17518 + {
17519 +#if (BIG_ENDIAN==1)
17520 +
17521 + unsigned int SeqCnt : 16; // bit 31:16
17522 + unsigned int AckCnt : 16; // bit 15:0
17523 +#else
17524 + unsigned int AckCnt : 16; // bit 15:0
17525 + unsigned int SeqCnt : 16; // bit 31:16
17526 +#endif
17527 + } bits;
17528 +} TOE_QHDR5_T;
17529 +
17530 +/**********************************************************************
17531 + * TOE Queue Header Word 6
17532 + **********************************************************************/
17533 +typedef union
17534 +{
17535 + unsigned int bits32;
17536 + struct bit_qhdr6
17537 + {
17538 +#if (BIG_ENDIAN==1)
17539 +
17540 + unsigned int MaxPktSize : 14; // bit 31:18
17541 + unsigned int iq_num : 2; // bit 17:16
17542 + unsigned int WinSize : 16; // bit 15:0
17543 +#else
17544 + unsigned int WinSize : 16; // bit 15:0
17545 + unsigned int iq_num : 2; // bit 17:16
17546 + unsigned int MaxPktSize : 14; // bit 31:18
17547 +#endif
17548 + } bits;
17549 +} TOE_QHDR6_T;
17550 +
17551 +/**********************************************************************
17552 + * TOE Queue Header Word 7
17553 + **********************************************************************/
17554 +typedef union
17555 +{
17556 + unsigned int bits32;
17557 + struct bit_qhdr7
17558 + {
17559 +#if (BIG_ENDIAN==1)
17560 +
17561 + unsigned int SeqThreshold : 16; // bit 31:16
17562 + unsigned int AckThreshold : 16; // bit 15:0
17563 +#else
17564 + unsigned int AckThreshold : 16; // bit 15:0
17565 + unsigned int SeqThreshold : 16; // bit 31:16
17566 +#endif
17567 + } bits;
17568 +} TOE_QHDR7_T;
17569 +
17570 +/**********************************************************************
17571 + * TOE Queue Header
17572 + **********************************************************************/
17573 +typedef struct
17574 +{
17575 + TOE_QHDR0_T word0;
17576 + TOE_QHDR1_T word1;
17577 + TOE_QHDR2_T word2;
17578 + TOE_QHDR3_T word3;
17579 + TOE_QHDR4_T word4;
17580 + TOE_QHDR5_T word5;
17581 + TOE_QHDR6_T word6;
17582 + TOE_QHDR7_T word7;
17583 +} TOE_QHDR_T;
17584 +
17585 +/**********************************************************************
17586 + * NONTOE Queue Header Word 0
17587 + **********************************************************************/
17588 +typedef union
17589 +{
17590 + unsigned int bits32;
17591 + unsigned int base_size;
17592 +} NONTOE_QHDR0_T;
17593 +
17594 +#define NONTOE_QHDR0_BASE_MASK (~0x0f)
17595 +
17596 +/**********************************************************************
17597 + * NONTOE Queue Header Word 1
17598 + **********************************************************************/
17599 +typedef union
17600 +{
17601 + unsigned int bits32;
17602 + struct bit_nonqhdr1
17603 + {
17604 +#if (BIG_ENDIAN==1)
17605 +
17606 + unsigned int wptr : 16; // bit 31:16
17607 + unsigned int rptr : 16; // bit 15:0
17608 +#else
17609 + unsigned int rptr : 16; // bit 15:0
17610 + unsigned int wptr : 16; // bit 31:16
17611 +#endif
17612 + } bits;
17613 +} NONTOE_QHDR1_T;
17614 +
17615 +/**********************************************************************
17616 + * Non-TOE Queue Header
17617 + **********************************************************************/
17618 +typedef struct
17619 +{
17620 + NONTOE_QHDR0_T word0;
17621 + NONTOE_QHDR1_T word1;
17622 +} NONTOE_QHDR_T;
17623 +
17624 +/**********************************************************************
17625 + * Interrupt Queue Header Word 0
17626 + **********************************************************************/
17627 +typedef union
17628 +{
17629 + unsigned int bits32;
17630 + struct bit_intrqhdr0
17631 + {
17632 +#if (BIG_ENDIAN==1)
17633 +
17634 + unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped
17635 + unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size
17636 +#else
17637 + unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size
17638 + unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped
17639 +#endif
17640 + } bits;
17641 +} INTR_QHDR0_T;
17642 +
17643 +/**********************************************************************
17644 + * Interrupt Queue Header Word 1
17645 + **********************************************************************/
17646 +typedef union
17647 +{
17648 + unsigned int bits32;
17649 + struct bit_intrqhdr1
17650 + {
17651 +#if (BIG_ENDIAN==1)
17652 +
17653 + unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack)
17654 + unsigned int osq : 1; // bit 30 1: out of sequence
17655 + unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
17656 + unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header
17657 + unsigned int tcp_opt : 1; // bit 27 1: Have TCP option
17658 + unsigned int abn : 1; // bit 26 1: Abnormal case Found
17659 + unsigned int dack : 1; // bit 25 1: Duplicated ACK
17660 + unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID
17661 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
17662 +#else
17663 + unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size
17664 + unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID
17665 + unsigned int dack : 1; // bit 25 1: Duplicated ACK
17666 + unsigned int abn : 1; // bit 26 1: Abnormal case Found
17667 + unsigned int tcp_opt : 1; // bit 27 1: Have TCP option
17668 + unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header
17669 + unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
17670 + unsigned int osq : 1; // bit 30 1: out of sequence
17671 + unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack)
17672 +#endif
17673 + } bits;
17674 +} INTR_QHDR1_T;
17675 +
17676 +/**********************************************************************
17677 + * Interrupt Queue Header Word 2
17678 + **********************************************************************/
17679 +typedef union
17680 +{
17681 + unsigned int bits32;
17682 + unsigned int seq_num;
17683 +} INTR_QHDR2_T;
17684 +
17685 +/**********************************************************************
17686 + * Interrupt Queue Header Word 3
17687 + **********************************************************************/
17688 +typedef union
17689 +{
17690 + unsigned int bits32;
17691 + unsigned int ack_num;
17692 +} INTR_QHDR3_T;
17693 +
17694 +/**********************************************************************
17695 + * Interrupt Queue Header Word 4
17696 + **********************************************************************/
17697 +typedef union
17698 +{
17699 + unsigned int bits32;
17700 + struct bit_intrqhdr4
17701 + {
17702 +#if (BIG_ENDIAN==1)
17703 +
17704 + unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr.
17705 + unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr.
17706 +#else
17707 + unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr.
17708 + unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr.
17709 +#endif
17710 + } bits;
17711 +} INTR_QHDR4_T;
17712 +
17713 +/**********************************************************************
17714 + * Interrupt Queue Header
17715 + **********************************************************************/
17716 +typedef struct
17717 +{
17718 + INTR_QHDR0_T word0;
17719 + INTR_QHDR1_T word1;
17720 + INTR_QHDR2_T word2;
17721 + INTR_QHDR3_T word3;
17722 + INTR_QHDR4_T word4;
17723 + unsigned int word5;
17724 + unsigned int word6;
17725 + unsigned int word7;
17726 +} INTR_QHDR_T;
17727 +
17728 +/**********************************************************************
17729 + * GMAC Conf
17730 + **********************************************************************/
17731 +typedef struct gmac_conf {
17732 + struct net_device *dev;
17733 + int portmap;
17734 + int vid;
17735 + int flag; /* 1: active 0: non-active */
17736 +} sys_gmac_conf;
17737 +
17738 +/**********************************************************************
17739 + * GMAC private data
17740 + **********************************************************************/
17741 +typedef struct {
17742 + unsigned int rwptr_reg;
17743 + unsigned int desc_base;
17744 + unsigned int total_desc_num;
17745 + unsigned short finished_idx;
17746 + GMAC_TXDESC_T *curr_tx_desc;
17747 + GMAC_TXDESC_T *curr_finished_desc;
17748 + struct sk_buff *tx_skb[TX_DESC_NUM];
17749 + unsigned long total_sent;
17750 + unsigned long total_finished;
17751 + unsigned long intr_cnt;
17752 +} GMAC_SWTXQ_T;
17753 +
17754 +typedef struct {
17755 + unsigned int desc_base;
17756 + unsigned long eof_cnt;
17757 +} GMAC_HWTXQ_T;
17758 +
17759 +typedef struct gmac_private{
17760 + struct net_device *dev;
17761 + unsigned int existed;
17762 + unsigned int port_id; // 0 or 1
17763 + unsigned int base_addr;
17764 + unsigned int dma_base_addr;
17765 + unsigned char *mac_addr1;
17766 + unsigned char *mac_addr2;
17767 + unsigned int swtxq_desc_base;
17768 + unsigned int hwtxq_desc_base;
17769 + GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM];
17770 + GMAC_HWTXQ_T hwtxq[TOE_HW_TXQ_NUM];
17771 + NONTOE_QHDR_T *default_qhdr;
17772 + unsigned int default_desc_base;
17773 + unsigned int default_desc_num;
17774 + unsigned int rx_curr_desc;
17775 + DMA_RWPTR_T rx_rwptr;
17776 + struct sk_buff *curr_rx_skb;
17777 + dma_addr_t default_desc_base_dma;
17778 + dma_addr_t swtxq_desc_base_dma;
17779 + dma_addr_t hwtxq_desc_base_dma;
17780 + unsigned int irq;
17781 + unsigned int flow_control_enable ;
17782 + unsigned int pre_phy_status;
17783 + unsigned int full_duplex_cfg;
17784 + unsigned int speed_cfg;
17785 + unsigned int auto_nego_cfg;
17786 + unsigned int full_duplex_status;
17787 + unsigned int speed_status;
17788 + unsigned int phy_mode; /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
17789 + unsigned int phy_addr;
17790 + unsigned int intr0_enabled; // 1: enabled
17791 + unsigned int intr1_enabled; // 1: enabled
17792 + unsigned int intr2_enabled; // 1: enabled
17793 + unsigned int intr3_enabled; // 1: enabled
17794 + unsigned int intr4_enabled; // 1: enabled
17795 +// unsigned int intr4_enabled_1; // 1: enabled
17796 + unsigned int intr0_selected; // 1: selected
17797 + unsigned int intr1_selected; // 1: selected
17798 + unsigned int intr2_selected; // 1: selected
17799 + unsigned int intr3_selected; // 1: selected
17800 + unsigned int intr4_selected; // 1: selected
17801 + // void (*gmac_rcv_handler)(struct sk_buff *, int);
17802 + struct net_device_stats ifStatics;
17803 + unsigned long txDerr_cnt[GMAC_NUM];
17804 + unsigned long txPerr_cnt[GMAC_NUM];
17805 + unsigned long RxDerr_cnt[GMAC_NUM];
17806 + unsigned long RxPerr_cnt[GMAC_NUM];
17807 + unsigned int isr_rx_cnt;
17808 + unsigned int isr_tx_cnt;
17809 + unsigned long rx_discard;
17810 + unsigned long rx_error;
17811 + unsigned long rx_mcast;
17812 + unsigned long rx_bcast;
17813 + unsigned long rx_status_cnt[8];
17814 + unsigned long rx_chksum_cnt[8];
17815 + unsigned long rx_sta1_ucast; // for STA 1 MAC Address
17816 + unsigned long rx_sta2_ucast; // for STA 2 MAC Address
17817 + unsigned long mib_full_cnt;
17818 + unsigned long rx_pause_on_cnt;
17819 + unsigned long tx_pause_on_cnt;
17820 + unsigned long rx_pause_off_cnt;
17821 + unsigned long tx_pause_off_cnt;
17822 + unsigned long rx_overrun_cnt;
17823 + unsigned long status_changed_cnt;
17824 + unsigned long default_q_cnt;
17825 + unsigned long hw_fq_empty_cnt;
17826 + unsigned long sw_fq_empty_cnt;
17827 + unsigned long default_q_intr_cnt;
17828 + pid_t thr_pid;
17829 + wait_queue_head_t thr_wait;
17830 + struct completion thr_exited;
17831 + spinlock_t lock;
17832 + int time_to_die;
17833 + int operation;
17834 +#ifdef SL351x_GMAC_WORKAROUND
17835 + unsigned long short_frames_cnt;
17836 +#endif
17837 +}GMAC_INFO_T ;
17838 +
17839 +typedef struct toe_private {
17840 + unsigned int swfq_desc_base;
17841 + unsigned int hwfq_desc_base;
17842 + unsigned int hwfq_buf_base;
17843 +// unsigned int toe_desc_base[TOE_TOE_QUEUE_NUM];
17844 +// unsigned int toe_desc_num;
17845 +// unsigned int class_desc_base;
17846 +// unsigned int class_desc_num;
17847 +// unsigned int intr_desc_base;
17848 +// unsigned int intr_desc_num;
17849 +// unsigned int intr_buf_base;
17850 + DMA_RWPTR_T fq_rx_rwptr;
17851 + GMAC_INFO_T gmac[GMAC_NUM];
17852 + dma_addr_t sw_freeq_desc_base_dma;
17853 + dma_addr_t hw_freeq_desc_base_dma;
17854 + dma_addr_t hwfq_buf_base_dma;
17855 + dma_addr_t hwfq_buf_end_dma;
17856 +// dma_addr_t toe_desc_base_dma[TOE_TOE_QUEUE_NUM];
17857 +// dma_addr_t class_desc_base_dma;
17858 +// dma_addr_t intr_desc_base_dma;
17859 +// dma_addr_t intr_buf_base_dma;
17860 +// unsigned long toe_iq_intr_full_cnt[TOE_INTR_QUEUE_NUM];
17861 +// unsigned long toe_iq_intr_cnt[TOE_INTR_QUEUE_NUM];
17862 +// unsigned long toe_q_intr_full_cnt[TOE_TOE_QUEUE_NUM];
17863 +// unsigned long class_q_intr_full_cnt[TOE_CLASS_QUEUE_NUM];
17864 +// unsigned long class_q_intr_cnt[TOE_CLASS_QUEUE_NUM];
17865 +} TOE_INFO_T;
17866 +
17867 +extern TOE_INFO_T toe_private_data;
17868 +
17869 +#define GMAC_PORT0 0
17870 +#define GMAC_PORT1 1
17871 +/**********************************************************************
17872 + * PHY Definition
17873 + **********************************************************************/
17874 +#define HPHY_ADDR 0x01
17875 +#define GPHY_ADDR 0x02
17876 +
17877 +enum phy_state
17878 +{
17879 + LINK_DOWN = 0,
17880 + LINK_UP = 1
17881 +};
17882 +
17883 +/* transmit timeout value */
17884 +
17885 +#endif //_GMAC_SL351x_H
17886 --- /dev/null
17887 +++ b/include/asm-arm/arch-sl2312/sl351x_hash_cfg.h
17888 @@ -0,0 +1,365 @@
17889 +/*-----------------------------------------------------------------------------------
17890 +* sl351x_hash_cfg.h
17891 +*
17892 +* Description:
17893 +*
17894 +* History:
17895 +*
17896 +* 9/14/2005 Gary Chen Create
17897 +*
17898 +*-------------------------------------------------------------------------------------*/
17899 +#ifndef _SL351x_HASH_CFG_H_
17900 +#define _SL351x_HASH_CFG_H_ 1
17901 +
17902 +// #define NAT_DEBUG_MSG 1
17903 +// #define DEBUG_NAT_MIXED_HW_SW_TX 1
17904 +#ifdef DEBUG_NAT_MIXED_HW_SW_TX
17905 + // #define NAT_DEBUG_LAN_HASH_TIMEOUT 1
17906 + // #define NAT_DEBUG_WAN_HASH_TIMEOUT 1
17907 +#endif
17908 +
17909 +#define IPIV(a,b,c,d) ((a<<24)+(b<<16)+(c<<8)+d)
17910 +#define IPIV1(a) ((a>>24)&0xff)
17911 +#define IPIV2(a) ((a>>16)&0xff)
17912 +#define IPIV3(a) ((a>>8)&0xff)
17913 +#define IPIV4(a) ((a)&0xff)
17914 +
17915 +#define HASH_MAX_BYTES 64 // 128
17916 +#define HASH_ACTION_DWORDS 9
17917 +#define HASH_MAX_DWORDS (HASH_MAX_BYTES / sizeof(u32))
17918 +#define HASH_MAX_KEY_DWORD (HASH_MAX_DWORDS - HASH_ACTION_DWORDS)
17919 +#define HASH_INIT_KEY 0x534C4F52
17920 +#define HASH_BITS 12 // 12 : Normal, 7: Simulation
17921 +#define HASH_TOTAL_ENTRIES (1 << HASH_BITS)
17922 +#define HASH_MAX_ENTRIES (1 << 12)
17923 +#define HASH_TOE_ENTRIES (HASH_TOTAL_ENTRIES >> 5)
17924 +#define HASH_BITS_MASK ((1 << HASH_BITS) - 1)
17925 +
17926 +#define hash_lock(lock) // spin_lock_bh(lock)
17927 +#define hash_unlock(lock) // spin_unlock_bh(lock)
17928 +
17929 +/*----------------------------------------------------------------------
17930 + * special macro
17931 + ----------------------------------------------------------------------*/
17932 +#define HASH_PUSH_WORD(cp, data) {*cp++ = (((u16)(data)) ) & 0xff; \
17933 + *cp++ = (((u16)(data)) >> 8) & 0xff;}
17934 +#define HASH_PUSH_DWORD(cp, data) {*cp++ = (u8)(((u32)(data)) ) & 0xff; \
17935 + *cp++ = (u8)(((u32)(data)) >> 8) & 0xff; \
17936 + *cp++ = (u8)(((u32)(data)) >> 16) & 0xff; \
17937 + *cp++ = (u8)(((u32)(data)) >> 24) & 0xff;}
17938 +#define HASH_PUSH_BYTE(cp, data) {*cp++ = ((u8)(data)) & 0xff;}
17939 +
17940 +/*----------------------------------------------------------------------
17941 + * key
17942 + ----------------------------------------------------------------------*/
17943 +typedef struct {
17944 + u8 port;
17945 + u16 Ethertype;
17946 + u8 da[6];
17947 + u8 sa[6];
17948 + u16 pppoe_sid;
17949 + u16 vlan_id;
17950 + u8 ipv4_hdrlen;
17951 + u8 ip_tos;
17952 + u8 ip_protocol;
17953 + u32 ipv6_flow_label;
17954 + u8 sip[16];
17955 + u8 dip[16];
17956 + //__u32 sip[4];
17957 + //__u32 dip[4];
17958 + u8 l4_bytes[24];
17959 + u8 l7_bytes[24];
17960 + u8 ipv6; // 1: IPv6, 0: IPV4
17961 +} ENTRY_KEY_T;
17962 +
17963 +/*----------------------------------------------------------------------
17964 + * key for NAT
17965 + * Note: packed
17966 + ----------------------------------------------------------------------*/
17967 +typedef struct {
17968 + u16 Ethertype; // not used
17969 + u8 port_id;
17970 + u8 rule_id;
17971 + u8 ip_protocol;
17972 + u8 reserved1; // ip_tos, not used
17973 + u16 reserved2; // not used
17974 + u32 sip;
17975 + u32 dip;
17976 + u16 sport;
17977 + u16 dport;
17978 +} NAT_KEY_T;
17979 +
17980 +#define NAT_KEY_DWORD_SIZE (sizeof(NAT_KEY_T)/sizeof(u32))
17981 +#define NAT_KEY_SIZE (sizeof(NAT_KEY_T))
17982 +
17983 +/*----------------------------------------------------------------------
17984 + * key for NAT
17985 + * Note: packed
17986 + ----------------------------------------------------------------------*/
17987 +typedef struct {
17988 + u16 Ethertype; // not used
17989 + u8 port_id;
17990 + u8 rule_id;
17991 + u8 ip_protocol;
17992 + u8 reserved1; // ip_tos, not used
17993 + u16 reserved2; // not used
17994 + u32 sip;
17995 + u32 dip;
17996 + u16 reserved3;
17997 + u16 protocol;
17998 + u16 reserved4;
17999 + u16 call_id;
18000 +} GRE_KEY_T;
18001 +
18002 +#define GRE_KEY_DWORD_SIZE (sizeof(GRE_KEY_T)/sizeof(u32))
18003 +#define GRE_KEY_SIZE (sizeof(GRE_KEY_T))
18004 +/*----------------------------------------------------------------------
18005 + * key present or not
18006 + ----------------------------------------------------------------------*/
18007 +typedef struct {
18008 + u32 port : 1;
18009 + u32 Ethertype : 1;
18010 + u32 da : 1;
18011 + u32 sa : 1;
18012 + u32 pppoe_sid : 1;
18013 + u32 vlan_id : 1;
18014 + u32 ipv4_hdrlen : 1;
18015 + u32 ip_tos : 1;
18016 + u32 ip_protocol : 1;
18017 + u32 ipv6_flow_label : 1;
18018 + u32 sip : 1;
18019 + u32 dip : 1;
18020 + u32 l4_bytes_0_3 : 1;
18021 + u32 l4_bytes_4_7 : 1;
18022 + u32 l4_bytes_8_11 : 1;
18023 + u32 l4_bytes_12_15 : 1;
18024 + u32 l4_bytes_16_19 : 1;
18025 + u32 l4_bytes_20_23 : 1;
18026 + u32 l7_bytes_0_3 : 1;
18027 + u32 l7_bytes_4_7 : 1;
18028 + u32 l7_bytes_8_11 : 1;
18029 + u32 l7_bytes_12_15 : 1;
18030 + u32 l7_bytes_16_19 : 1;
18031 + u32 l7_bytes_20_23 : 1;
18032 + u32 reserved : 8;
18033 +} KEY_FIELD_T;
18034 +
18035 +/*----------------------------------------------------------------------
18036 + * action
18037 + ----------------------------------------------------------------------*/
18038 +typedef struct {
18039 + u32 reserved0 : 5; // bit 0:4
18040 + u32 pppoe : 2; // bit 5:6
18041 + u32 vlan : 2; // bit 7:8
18042 + u32 sa : 1; // bit 9
18043 + u32 da : 1; // bit 10
18044 + u32 Dport : 1; // bit 11
18045 + u32 Sport : 1; // bit 12
18046 + u32 Dip : 1; // bit 13
18047 + u32 Sip : 1; // bit 14
18048 + u32 sw_id : 1; // bit 15
18049 + u32 frag : 1; // bit 16
18050 + u32 option : 1; // bit 17
18051 + u32 ttl_0 : 1; // bit 18
18052 + u32 ttl_1 : 1; // bit 19
18053 + u32 mtu : 1; // bit 20
18054 + u32 exception : 1; // bit 21
18055 + u32 srce_qid : 1; // bit 22
18056 + u32 discard : 1; // bit 23
18057 + u32 dest_qid : 8; // bit 24:31
18058 +} ENTRY_ACTION_T;
18059 +
18060 +#define ACTION_DISCARD_BIT BIT(23)
18061 +#define ACTION_SRCE_QID_BIT BIT(22)
18062 +#define ACTION_EXCEPTION_BIT BIT(21)
18063 +#define ACTION_MTU_BIT BIT(20)
18064 +#define ACTION_TTL_1_BIT BIT(19)
18065 +#define ACTION_TTL_0_BIT BIT(18)
18066 +#define ACTION_IP_OPTION BIT(17)
18067 +#define ACTION_FRAG_BIT BIT(16)
18068 +#define ACTION_SWID_BIT BIT(15)
18069 +#define ACTION_SIP_BIT BIT(14)
18070 +#define ACTION_DIP_BIT BIT(13)
18071 +#define ACTION_SPORT_BIT BIT(12)
18072 +#define ACTION_DPORT_BIT BIT(11)
18073 +#define ACTION_DA_BIT BIT(10)
18074 +#define ACTION_SA_BIT BIT(9)
18075 +#define ACTION_VLAN_DEL_BIT BIT(8)
18076 +#define ACTION_VLAN_INS_BIT BIT(7)
18077 +#define ACTION_PPPOE_DEL_BIT BIT(6)
18078 +#define ACTION_PPPOE_INS_BIT BIT(5)
18079 +#define ACTION_L4_THIRD_BIT BIT(4)
18080 +#define ACTION_L4_FOURTH_BIT BIT(3)
18081 +
18082 +#define NAT_ACTION_BITS (ACTION_SRCE_QID_BIT | ACTION_EXCEPTION_BIT | \
18083 + ACTION_TTL_1_BIT | ACTION_TTL_0_BIT | \
18084 + ACTION_IP_OPTION | ACTION_FRAG_BIT | \
18085 + ACTION_DA_BIT | ACTION_SA_BIT)
18086 +#define NAT_LAN2WAN_ACTIONS (NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_SPORT_BIT)
18087 +#define NAT_WAN2LAN_ACTIONS (NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_DPORT_BIT)
18088 +#define NAT_PPPOE_LAN2WAN_ACTIONS (NAT_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
18089 +#define NAT_PPPOE_WAN2LAN_ACTIONS (NAT_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
18090 +#define NAT_PPTP_LAN2WAN_ACTIONS (NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_L4_FOURTH_BIT)
18091 +#define NAT_PPTP_WAN2LAN_ACTIONS (NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_L4_FOURTH_BIT)
18092 +#define NAT_PPPOE_PPTP_LAN2WAN_ACTIONS (NAT_PPTP_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
18093 +#define NAT_PPPOE_PPTP_WAN2LAN_ACTIONS (NAT_PPTP_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
18094 +
18095 +/*----------------------------------------------------------------------
18096 + * parameter
18097 + ----------------------------------------------------------------------*/
18098 +typedef struct {
18099 + u8 da[6];
18100 + u8 sa[6];
18101 + u16 vlan;
18102 + u16 pppoe;
18103 + u32 Sip;
18104 + u32 Dip;
18105 + u16 Sport;
18106 + u16 Dport;
18107 + u16 sw_id;
18108 + u16 mtu;
18109 +} ENTRY_PARAM_T;
18110 +
18111 +/*----------------------------------------------------------------------
18112 + * Hash Entry
18113 + ----------------------------------------------------------------------*/
18114 +typedef struct {
18115 + char rule;
18116 + ENTRY_KEY_T key;
18117 + KEY_FIELD_T key_present;
18118 + ENTRY_ACTION_T action;
18119 + ENTRY_PARAM_T param;
18120 + int index;
18121 + int total_dwords;
18122 +} HASH_ENTRY_T;
18123 +
18124 +/*----------------------------------------------------------------------
18125 + * NAT Hash Entry
18126 + ----------------------------------------------------------------------*/
18127 +typedef struct {
18128 + short counter;
18129 + short interval;
18130 +} HASH_TIMEOUT_T;
18131 +
18132 +/*----------------------------------------------------------------------
18133 + * NAT Hash Entry for TCP/UDP protocol
18134 + ----------------------------------------------------------------------*/
18135 +typedef struct {
18136 + NAT_KEY_T key;
18137 + union {
18138 + u32 dword;
18139 + ENTRY_ACTION_T bits;
18140 + } action;
18141 + ENTRY_PARAM_T param;
18142 + HASH_TIMEOUT_T tmo; // used by software only, to use memory space efficiently
18143 +} NAT_HASH_ENTRY_T;
18144 +
18145 +#define NAT_HASH_ENTRY_SIZE (sizeof(NAT_HASH_ENTRY_T))
18146 +
18147 +/*----------------------------------------------------------------------
18148 + * GRE Hash Entry for PPTP/GRE protocol
18149 + ----------------------------------------------------------------------*/
18150 +typedef struct {
18151 + GRE_KEY_T key;
18152 + union {
18153 + u32 dword;
18154 + ENTRY_ACTION_T bits;
18155 + } action;
18156 + ENTRY_PARAM_T param;
18157 + HASH_TIMEOUT_T tmo; // used by software only, to use memory space efficiently
18158 +} GRE_HASH_ENTRY_T;
18159 +
18160 +#define GRE_HASH_ENTRY_SIZE (sizeof(GRE_HASH_ENTRY_T))
18161 +
18162 +/*----------------------------------------------------------------------
18163 + * External Variables
18164 + ----------------------------------------------------------------------*/
18165 +extern char hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
18166 +extern u32 hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
18167 +/*----------------------------------------------------------------------
18168 +* hash_get_valid_flag
18169 +*----------------------------------------------------------------------*/
18170 +static inline int hash_get_valid_flag(int index)
18171 +{
18172 + volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
18173 +
18174 +#ifdef SL351x_GMAC_WORKAROUND
18175 + if (index >= (0x80 * 8) && index < (0x8c * 8))
18176 + return 1;
18177 +#endif
18178 + return (hash_valid_bits_ptr[index/32] & (1 << (index %32)));
18179 +}
18180 +
18181 +/*----------------------------------------------------------------------
18182 +* hash_get_nat_owner_flag
18183 +*----------------------------------------------------------------------*/
18184 +static inline int hash_get_nat_owner_flag(int index)
18185 +{
18186 + return (hash_nat_owner_bits[index/32] & (1 << (index %32)));
18187 +}
18188 +
18189 +/*----------------------------------------------------------------------
18190 +* hash_validate_entry
18191 +*----------------------------------------------------------------------*/
18192 +static inline void hash_validate_entry(int index)
18193 +{
18194 + volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
18195 + register int ptr = index/32, bits = 1 << (index %32);
18196 +
18197 + hash_valid_bits_ptr[ptr] |= bits;
18198 +}
18199 +
18200 +/*----------------------------------------------------------------------
18201 +* hash_invalidate_entry
18202 +*----------------------------------------------------------------------*/
18203 +static inline void hash_invalidate_entry(int index)
18204 +{
18205 + volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
18206 + register int ptr = index/32, bits = 1 << (index %32);
18207 +
18208 + hash_valid_bits_ptr[ptr] &= ~(bits);
18209 +}
18210 +
18211 +/*----------------------------------------------------------------------
18212 +* hash_nat_enable_owner
18213 +*----------------------------------------------------------------------*/
18214 +static inline void hash_nat_enable_owner(int index)
18215 +{
18216 + hash_nat_owner_bits[index/32] |= (1 << (index % 32));
18217 +}
18218 +
18219 +/*----------------------------------------------------------------------
18220 +* hash_nat_disable_owner
18221 +*----------------------------------------------------------------------*/
18222 +static inline void hash_nat_disable_owner(int index)
18223 +{
18224 + hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
18225 +}
18226 +
18227 +/*----------------------------------------------------------------------
18228 +* hash_get_entry
18229 +*----------------------------------------------------------------------*/
18230 +static inline void *hash_get_entry(int index)
18231 +{
18232 + return (void*) &hash_tables[index][0];
18233 +}
18234 +
18235 +/*----------------------------------------------------------------------
18236 +* Functions
18237 +*----------------------------------------------------------------------*/
18238 +extern int hash_add_entry(HASH_ENTRY_T *entry);
18239 +extern void sl351x_hash_init(void);
18240 +extern void hash_set_valid_flag(int index, int valid);
18241 +extern void hash_set_nat_owner_flag(int index, int valid);
18242 +extern void *hash_get_entry(int index);
18243 +extern int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry);
18244 +extern void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry);
18245 +extern int hash_write_entry(HASH_ENTRY_T *entry, u8 *key);
18246 +extern int hash_add_entry(HASH_ENTRY_T *entry);
18247 +extern u16 hash_crc16(u16 crc, u8 *datap, u32 len);
18248 +extern u16 hash_gen_crc16(u8 *datap, u32 len);
18249 +
18250 +#endif // _SL351x_HASH_CFG_H_
18251 +
18252 +
18253 +
18254 --- /dev/null
18255 +++ b/include/asm-arm/arch-sl2312/sl351x_nat_cfg.h
18256 @@ -0,0 +1,211 @@
18257 +/**************************************************************************
18258 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
18259 +*--------------------------------------------------------------------------
18260 +* sl_nat_cfg.h
18261 +*
18262 +* Description:
18263 +* - Define the Device Control Commands for NAT Configuration
18264 +*
18265 +* History:
18266 +*
18267 +* 4/28/2006 Gary Chen Create
18268 +*
18269 +*-----------------------------------------------------------------------------*/
18270 +#ifndef _SL351x_NAT_CFG_H_
18271 +#define _SL351x_NAT_CFG_H_ 1
18272 +
18273 +/*----------------------------------------------------------------------
18274 +* Confiuration
18275 +*----------------------------------------------------------------------*/
18276 +#ifdef CONFIG_NETFILTER
18277 +#define CONFIG_SL351x_NAT 1
18278 +#undef CONFIG_SL351x_NAT
18279 +#undef CONFIG_SL351x_SYSCTL
18280 +#endif
18281 +#define CONFIG_NAT_MAX_IP_NUM 4 // per device (eth0 or eth1)
18282 +#define CONFIG_NAT_MAX_XPORT 64
18283 +#define CONFIG_NAT_MAX_WRULE 16 // per Queue
18284 +#define CONFIG_NAT_TXQ_NUM 4
18285 +/*----------------------------------------------------------------------
18286 +* Command set
18287 +*----------------------------------------------------------------------*/
18288 +#define SIOCDEVSL351x SIOCDEVPRIVATE // 0x89F0
18289 +#define NATSSTATUS 0
18290 +#define NATGSTATUS 1
18291 +#define NATSETPORT 2
18292 +#define NATGETPORT 3
18293 +#define NATADDIP 4
18294 +#define NATDELIP 5
18295 +#define NATGETIP 6
18296 +#define NATAXPORT 7
18297 +#define NATDXPORT 8
18298 +#define NATGXPORT 9
18299 +#define NATSWEIGHT 10
18300 +#define NATGWEIGHT 11
18301 +#define NATAWRULE 12
18302 +#define NATDWRULE 13
18303 +#define NATGWRULE 14
18304 +#define NATSDEFQ 15
18305 +#define NATGDEFQ 16
18306 +#define NATRMIPCFG 17 // remove IP config
18307 +#define NATTESTENTRY 18
18308 +#define NATSETMEM 19
18309 +#define NATSHOWMEM 20
18310 +/*----------------------------------------------------------------------
18311 +* Command Structure
18312 +*----------------------------------------------------------------------*/
18313 +// Common Header
18314 +typedef struct {
18315 + unsigned short cmd; // command ID
18316 + unsigned short len; // data length, excluding this header
18317 +} NATCMD_HDR_T;
18318 +
18319 +// NATSSTATUS & NATGSTATUS commands
18320 +typedef struct {
18321 + unsigned char enable;
18322 +} NAT_STATUS_T;
18323 +
18324 +// NATSETPORT & NATGETPORT commands
18325 +typedef struct {
18326 + unsigned char portmap;
18327 +} NAT_PORTCFG_T;
18328 +
18329 +typedef struct {
18330 + unsigned int ipaddr;
18331 + unsigned int netmask;
18332 +} NAT_IP_ENTRY_T;
18333 +
18334 +// NATADDIP & NATDELIP commands
18335 +typedef struct {
18336 + NAT_IP_ENTRY_T entry;
18337 +} NAT_IPCFG_T;
18338 +
18339 +// NATGETIP command
18340 +typedef struct {
18341 + unsigned int total;
18342 + NAT_IP_ENTRY_T entry[CONFIG_NAT_MAX_IP_NUM];
18343 +} NAT_IPCFG_ALL_T;
18344 +
18345 +typedef struct {
18346 + unsigned int protocol;
18347 + unsigned short sport_start;
18348 + unsigned short sport_end;
18349 + unsigned short dport_start;
18350 + unsigned short dport_end;
18351 +} NAT_XPORT_ENTRY_T;
18352 +
18353 +// NATAXPORT & NATDXPORT Commands
18354 +typedef struct {
18355 + NAT_XPORT_ENTRY_T entry;
18356 +} NAT_XPORT_T;
18357 +
18358 +// NATGXPORT Command
18359 +typedef struct {
18360 + unsigned int total;
18361 + NAT_XPORT_ENTRY_T entry[CONFIG_NAT_MAX_XPORT];
18362 +} NAT_XPORT_ALL_T;
18363 +
18364 +// NATSWEIGHT & NATGWEIGHT Commands
18365 +typedef struct {
18366 + unsigned char weight[CONFIG_NAT_TXQ_NUM];
18367 +} NAT_WEIGHT_T;
18368 +
18369 +typedef struct {
18370 + unsigned int protocol;
18371 + unsigned int sip_start;
18372 + unsigned int sip_end;
18373 + unsigned int dip_start;
18374 + unsigned int dip_end;
18375 + unsigned short sport_start;
18376 + unsigned short sport_end;
18377 + unsigned short dport_start;
18378 + unsigned short dport_end;
18379 +} NAT_WRULE_ENTRY_T;
18380 +
18381 +// NATAWRULE & NATDWRULE Commands
18382 +typedef struct {
18383 + unsigned int qid;
18384 + NAT_WRULE_ENTRY_T entry;
18385 +} NAT_WRULE_T;
18386 +
18387 +// NATGWRULE Command
18388 +typedef struct {
18389 + unsigned int total;
18390 + NAT_WRULE_ENTRY_T entry[CONFIG_NAT_MAX_WRULE];
18391 +} NAT_WRULE_ALL_T;
18392 +
18393 +// NATSDEFQ & NATGDEFQ commands
18394 +typedef struct {
18395 + unsigned int qid;
18396 +} NAT_QUEUE_T;
18397 +
18398 +// NATTESTENTRY
18399 +typedef struct {
18400 + u_int16_t cmd; // command ID
18401 + u_int16_t len; // data length, excluding this header
18402 + u_int8_t init_enable;
18403 +} NAT_TESTENTRY_T;
18404 +
18405 +typedef union
18406 +{
18407 + NAT_STATUS_T status;
18408 + NAT_PORTCFG_T portcfg;
18409 + NAT_IPCFG_T ipcfg;
18410 + NAT_XPORT_T xport;
18411 + NAT_WEIGHT_T weight;
18412 + NAT_WRULE_T wrule;
18413 + NAT_QUEUE_T queue;
18414 + NAT_TESTENTRY_T init_entry;
18415 +} NAT_REQ_E;
18416 +
18417 +/*----------------------------------------------------------------------
18418 +* NAT Configuration
18419 +* - Used by driver only
18420 +*----------------------------------------------------------------------*/
18421 +typedef struct {
18422 + unsigned int enabled;
18423 + unsigned int init_enabled;
18424 + unsigned int tcp_udp_rule_id;
18425 + unsigned int gre_rule_id;
18426 + unsigned int lan_port;
18427 + unsigned int wan_port;
18428 + unsigned int default_hw_txq;
18429 + short tcp_tmo_interval;
18430 + short udp_tmo_interval;
18431 + short gre_tmo_interval;
18432 + NAT_IPCFG_ALL_T ipcfg[2]; // LAN/WAN port
18433 + NAT_XPORT_ALL_T xport;
18434 + NAT_WEIGHT_T weight;
18435 + NAT_WRULE_ALL_T wrule[CONFIG_NAT_TXQ_NUM];
18436 +} NAT_CFG_T;
18437 +
18438 +/*----------------------------------------------------------------------
18439 +* NAT Control Block
18440 +* - Used by driver only
18441 +* - Stores LAN-IN or WAN-IN information
18442 +* - WAN-OUT and LAN-OUT driver use them to build up a hash entry
18443 +* - NOTES: To update this data structure, MUST take care of alignment issue
18444 +* - MUST make sure that the size of skbuff structure must
18445 +* be larger than (40 + sizof(NAT_CB_T))
18446 +*----------------------------------------------------------------------*/
18447 +typedef struct {
18448 + unsigned short tag;
18449 + unsigned char sa[6];
18450 + unsigned int sip;
18451 + unsigned int dip;
18452 + unsigned short sport;
18453 + unsigned short dport;
18454 + unsigned char pppoe_frame;
18455 + unsigned char state; // same to enum tcp_conntrack
18456 + unsigned char reserved[2];
18457 +} NAT_CB_T;
18458 +
18459 +#define NAT_CB_TAG 0x4C53 // "SL"
18460 +#define NAT_CB_SIZE sizeof(NAT_CB_T)
18461 +// #define NAT_SKB_CB(skb) (NAT_CB_T *)(((unsigned int)&((skb)->cb[40]) + 3) & ~3) // for align 4
18462 +#define NAT_SKB_CB(skb) (NAT_CB_T *)&((skb)->cb[40]) // for align 4
18463 +
18464 +#endif // _SL351x_NAT_CFG_H_
18465 +
18466 +
18467 +
18468 --- /dev/null
18469 +++ b/include/asm-arm/arch-sl2312/sl351x_toe.h
18470 @@ -0,0 +1,88 @@
18471 +/**************************************************************************
18472 +* Copyright 2006 StorLink Semiconductors, Inc. All rights reserved.
18473 +*--------------------------------------------------------------------------
18474 +* Name : sl351x_toe.h
18475 +* Description :
18476 +* Define for TOE driver of Storlink SL351x
18477 +*
18478 +* History
18479 +*
18480 +* Date Writer Description
18481 +*----------------------------------------------------------------------------
18482 +* Xiaochong Create
18483 +*
18484 +****************************************************************************/
18485 +#ifndef __SL351x_TOE_H
18486 +#define __SL351x_TOE_H 1
18487 +#include <net/sock.h>
18488 +#include <asm/arch/sl351x_gmac.h>
18489 +#include <linux/timer.h>
18490 +#include <linux/netdevice.h>
18491 +#include <linux/ip.h>
18492 +#include <linux/if_ether.h>
18493 +/*
18494 + * TOE_CONN_T is data structure of tcp connection info, used at both
18495 + * device layer and kernel tcp layer
18496 + * skb is the jumbo frame
18497 + */
18498 +
18499 +struct toe_conn{
18500 + __u8 qid; // connection qid 0~63.
18501 + __u8 ip_ver; // 0: not used; 4: ipv4; 6: ipv6.
18502 + /* hash key of the connection */
18503 + __u16 source;
18504 + __u16 dest;
18505 + __u32 saddr[4];
18506 + __u32 daddr[4];
18507 +
18508 + __u32 seq;
18509 + __u32 ack_seq;
18510 +
18511 + /* these fields are used to set TOE QHDR */
18512 + __u32 ack_threshold;
18513 + __u32 seq_threshold;
18514 + __u16 max_pktsize;
18515 +
18516 + /* used by sw toe, accumulated ack_seq of ack frames */
18517 + __u16 ack_cnt;
18518 + /* used by sw toe, accumulated data frames held at driver */
18519 + __u16 cur_pktsize;
18520 +
18521 + __u8 status;
18522 +#define TCP_CONN_UNDEFINE 0X00
18523 +#define TCP_CONN_CREATION 0X01
18524 +#define TCP_CONN_CONNECTING 0X02
18525 +#define TCP_CONN_ESTABLISHED 0X04
18526 +#define TCP_CONN_RESET 0X08 // this is used for out-of-order
18527 + // or congestion window is small
18528 +#define TCP_CONN_CLOSING 0X10
18529 +#define TCP_CONN_CLOSED 0x11
18530 +
18531 + __u16 hash_entry_index; /* associated hash entry */
18532 +
18533 + // one timer per connection. Otherwise all connections should be scanned
18534 + // in a timeout interrupt, and timeout interrupt is triggered no matter
18535 + // a connection is actually timeout or not.
18536 + struct timer_list rx_timer;
18537 + unsigned long last_rx_jiffies;
18538 + GMAC_INFO_T *gmac;
18539 + struct net_device *dev;
18540 +
18541 + // for generating pure ack frame.
18542 + struct ethhdr l2_hdr;
18543 + struct iphdr l3_hdr;
18544 +
18545 + spinlock_t conn_lock;
18546 + DMA_RWPTR_T toeq_rwptr;
18547 + GMAC_RXDESC_T *curr_desc;
18548 + struct sk_buff *curr_rx_skb;
18549 +};
18550 +
18551 +struct jumbo_frame {
18552 + struct sk_buff *skb0; // the head of jumbo frame
18553 + struct sk_buff *tail; // the tail of jumbo frame
18554 + struct iphdr *iphdr0; // the ip hdr of skb0.
18555 + struct tcphdr *tcphdr0; // the tcp hdr of skb0.
18556 +};
18557 +
18558 +#endif // __SL351x_TOE_H
18559 --- a/drivers/net/Kconfig
18560 +++ b/drivers/net/Kconfig
18561 @@ -2131,6 +2131,42 @@ config ACENIC_OMIT_TIGON_I
18562
18563 The safe and default value for this is N.
18564
18565 +config NET_GMAC
18566 + tristate "Storlink Gigabit Ethernet support"
18567 + depends on ARCH_SL2312
18568 + help
18569 + This driver supports Storlink dual Gigabit Ethernet.
18570 +
18571 +config NET_SL2312
18572 + tristate "Storlink Gigabit Ethernet support"
18573 + depends on NET_GMAC
18574 + help
18575 + This driver supports Storlink dual Gigabit Ethernet.
18576 +
18577 +config NET_SL351X
18578 + tristate "Storlink Lepus Gigabit Ethernet support"
18579 + depends on NET_GMAC
18580 + help
18581 + This driver supports Storlink TOE and NAT dual Gigabit Ethernet.
18582 +
18583 +config SL2312_TSO
18584 + bool "Tx Segmentation Enable"
18585 + depends on NET_GMAC
18586 + help
18587 + TBD
18588 +
18589 +config SL2312_MPAGE
18590 + bool "Tx Multipage Enable"
18591 + depends on NET_GMAC
18592 + help
18593 + TBD
18594 +
18595 +config SL2312_RECVFILE
18596 + bool "Rx Multipage Enable"
18597 + depends on NET_GMAC
18598 + help
18599 + TBD
18600 +
18601 config DL2K
18602 tristate "D-Link DL2000-based Gigabit Ethernet support"
18603 depends on PCI
18604 --- a/drivers/net/Makefile
18605 +++ b/drivers/net/Makefile
18606 @@ -236,4 +236,8 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o
18607
18608 obj-$(CONFIG_FS_ENET) += fs_enet/
18609
18610 -obj-$(CONFIG_NETXEN_NIC) += netxen/
18611 +
18612 +obj-$(CONFIG_NET_SL351X)+= sl351x_gmac.o sl351x_nat.o sl351x_hash.o sl351x_crc16.o sl351x_proc.o sl_switch.o
18613 +obj-$(CONFIG_NET_SL2312)+= sl2312_emac.o
18614 +
18615 +
Personal OpenWRT clone
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