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[openwrt.git] / package / ltq-dsl / src / ifxmips_atm_core.c
1 /******************************************************************************
2 **
3 ** FILE NAME : ifxmips_atm_core.c
4 ** PROJECT : UEIP
5 ** MODULES : ATM
6 **
7 ** DATE : 7 Jul 2009
8 ** AUTHOR : Xu Liang
9 ** DESCRIPTION : ATM driver common source file (core functions)
10 ** COPYRIGHT : Copyright (c) 2006
11 ** Infineon Technologies AG
12 ** Am Campeon 1-12, 85579 Neubiberg, Germany
13 **
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License as published by
16 ** the Free Software Foundation; either version 2 of the License, or
17 ** (at your option) any later version.
18 **
19 ** HISTORY
20 ** $Date $Author $Comment
21 ** 07 JUL 2009 Xu Liang Init Version
22 *******************************************************************************/
23
24
25
26 /*
27 * ####################################
28 * Version No.
29 * ####################################
30 */
31
32 #define IFX_ATM_VER_MAJOR 1
33 #define IFX_ATM_VER_MID 0
34 #define IFX_ATM_VER_MINOR 19
35
36
37
38 /*
39 * ####################################
40 * Head File
41 * ####################################
42 */
43
44 /*
45 * Common Head File
46 */
47 #include <linux/kernel.h>
48 #include <linux/vmalloc.h>
49 #include <linux/module.h>
50 #include <linux/version.h>
51 #include <linux/types.h>
52 #include <linux/errno.h>
53 #include <linux/proc_fs.h>
54 #include <linux/init.h>
55 #include <linux/ioctl.h>
56 #include <linux/atmdev.h>
57 #include <linux/atm.h>
58 #include <linux/clk.h>
59
60 /*
61 * Chip Specific Head File
62 */
63 #include <lantiq_soc.h>
64 #include "ifxmips_compat.h"
65 #define IFX_MEI_BSP 1
66 #include "ifxmips_mei_interface.h"
67 #include "ifxmips_atm_core.h"
68
69
70
71 /*
72 * ####################################
73 * Kernel Version Adaption
74 * ####################################
75 */
76 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
77 #define MODULE_PARM_ARRAY(a, b) module_param_array(a, int, NULL, 0)
78 #define MODULE_PARM(a, b) module_param(a, int, 0)
79 #else
80 #define MODULE_PARM_ARRAY(a, b) MODULE_PARM(a, b)
81 #endif
82
83
84
85 /*!
86 \addtogroup IFXMIPS_ATM_MODULE_PARAMS
87 */
88 /*@{*/
89 /*
90 * ####################################
91 * Parameters to Configure PPE
92 * ####################################
93 */
94 /*!
95 \brief QSB cell delay variation due to concurrency
96 */
97 static int qsb_tau = 1; /* QSB cell delay variation due to concurrency */
98 /*!
99 \brief QSB scheduler burst length
100 */
101 static int qsb_srvm = 0x0F; /* QSB scheduler burst length */
102 /*!
103 \brief QSB time step, all legal values are 1, 2, 4
104 */
105 static int qsb_tstep = 4 ; /* QSB time step, all legal values are 1, 2, 4 */
106
107 /*!
108 \brief Write descriptor delay
109 */
110 static int write_descriptor_delay = 0x20; /* Write descriptor delay */
111
112 /*!
113 \brief AAL5 padding byte ('~')
114 */
115 static int aal5_fill_pattern = 0x007E; /* AAL5 padding byte ('~') */
116 /*!
117 \brief Max frame size for RX
118 */
119 static int aal5r_max_packet_size = 0x0700; /* Max frame size for RX */
120 /*!
121 \brief Min frame size for RX
122 */
123 static int aal5r_min_packet_size = 0x0000; /* Min frame size for RX */
124 /*!
125 \brief Max frame size for TX
126 */
127 static int aal5s_max_packet_size = 0x0700; /* Max frame size for TX */
128 /*!
129 \brief Min frame size for TX
130 */
131 static int aal5s_min_packet_size = 0x0000; /* Min frame size for TX */
132 /*!
133 \brief Drop error packet in RX path
134 */
135 static int aal5r_drop_error_packet = 1; /* Drop error packet in RX path */
136
137 /*!
138 \brief Number of descriptors per DMA RX channel
139 */
140 static int dma_rx_descriptor_length = 128; /* Number of descriptors per DMA RX channel */
141 /*!
142 \brief Number of descriptors per DMA TX channel
143 */
144 static int dma_tx_descriptor_length = 64; /* Number of descriptors per DMA TX channel */
145 /*!
146 \brief PPE core clock cycles between descriptor write and effectiveness in external RAM
147 */
148 static int dma_rx_clp1_descriptor_threshold = 38;
149 /*@}*/
150
151 MODULE_PARM(qsb_tau, "i");
152 MODULE_PARM_DESC(qsb_tau, "Cell delay variation. Value must be > 0");
153 MODULE_PARM(qsb_srvm, "i");
154 MODULE_PARM_DESC(qsb_srvm, "Maximum burst size");
155 MODULE_PARM(qsb_tstep, "i");
156 MODULE_PARM_DESC(qsb_tstep, "n*32 cycles per sbs cycles n=1,2,4");
157
158 MODULE_PARM(write_descriptor_delay, "i");
159 MODULE_PARM_DESC(write_descriptor_delay, "PPE core clock cycles between descriptor write and effectiveness in external RAM");
160
161 MODULE_PARM(aal5_fill_pattern, "i");
162 MODULE_PARM_DESC(aal5_fill_pattern, "Filling pattern (PAD) for AAL5 frames");
163 MODULE_PARM(aal5r_max_packet_size, "i");
164 MODULE_PARM_DESC(aal5r_max_packet_size, "Max packet size in byte for downstream AAL5 frames");
165 MODULE_PARM(aal5r_min_packet_size, "i");
166 MODULE_PARM_DESC(aal5r_min_packet_size, "Min packet size in byte for downstream AAL5 frames");
167 MODULE_PARM(aal5s_max_packet_size, "i");
168 MODULE_PARM_DESC(aal5s_max_packet_size, "Max packet size in byte for upstream AAL5 frames");
169 MODULE_PARM(aal5s_min_packet_size, "i");
170 MODULE_PARM_DESC(aal5s_min_packet_size, "Min packet size in byte for upstream AAL5 frames");
171 MODULE_PARM(aal5r_drop_error_packet, "i");
172 MODULE_PARM_DESC(aal5r_drop_error_packet, "Non-zero value to drop error packet for downstream");
173
174 MODULE_PARM(dma_rx_descriptor_length, "i");
175 MODULE_PARM_DESC(dma_rx_descriptor_length, "Number of descriptor assigned to DMA RX channel (>16)");
176 MODULE_PARM(dma_tx_descriptor_length, "i");
177 MODULE_PARM_DESC(dma_tx_descriptor_length, "Number of descriptor assigned to DMA TX channel (>16)");
178 MODULE_PARM(dma_rx_clp1_descriptor_threshold, "i");
179 MODULE_PARM_DESC(dma_rx_clp1_descriptor_threshold, "Descriptor threshold for cells with cell loss priority 1");
180
181
182
183 /*
184 * ####################################
185 * Definition
186 * ####################################
187 */
188
189 #define ENABLE_LED_FRAMEWORK 1
190
191 #define DUMP_SKB_LEN ~0
192
193
194
195 /*
196 * ####################################
197 * Declaration
198 * ####################################
199 */
200
201 /*
202 * Network Operations
203 */
204 static int ppe_ioctl(struct atm_dev *, unsigned int, void *);
205 static int ppe_open(struct atm_vcc *);
206 static void ppe_close(struct atm_vcc *);
207 static int ppe_send(struct atm_vcc *, struct sk_buff *);
208 static int ppe_send_oam(struct atm_vcc *, void *, int);
209 static int ppe_change_qos(struct atm_vcc *, struct atm_qos *, int);
210
211 /*
212 * ADSL LED
213 */
214 static INLINE void adsl_led_flash(void);
215
216 /*
217 * 64-bit operation used by MIB calculation
218 */
219 static INLINE void u64_add_u32(ppe_u64_t, unsigned int, ppe_u64_t *);
220
221 /*
222 * buffer manage functions
223 */
224 static INLINE struct sk_buff* alloc_skb_rx(void);
225 static INLINE struct sk_buff* alloc_skb_tx(unsigned int);
226 struct sk_buff* atm_alloc_tx(struct atm_vcc *, unsigned int);
227 static INLINE void atm_free_tx_skb_vcc(struct sk_buff *, struct atm_vcc *);
228 static INLINE struct sk_buff *get_skb_rx_pointer(unsigned int);
229 static INLINE int get_tx_desc(unsigned int);
230
231 /*
232 * mailbox handler and signal function
233 */
234 static INLINE void mailbox_oam_rx_handler(void);
235 static INLINE void mailbox_aal_rx_handler(void);
236 #if defined(ENABLE_TASKLET) && ENABLE_TASKLET
237 static void do_ppe_tasklet(unsigned long);
238 #endif
239 static irqreturn_t mailbox_irq_handler(int, void *);
240 static INLINE void mailbox_signal(unsigned int, int);
241
242 /*
243 * QSB & HTU setting functions
244 */
245 static void set_qsb(struct atm_vcc *, struct atm_qos *, unsigned int);
246 static void qsb_global_set(void);
247 static INLINE void set_htu_entry(unsigned int, unsigned int, unsigned int, int, int);
248 static INLINE void clear_htu_entry(unsigned int);
249 static void validate_oam_htu_entry(void);
250 static void invalidate_oam_htu_entry(void);
251
252 /*
253 * look up for connection ID
254 */
255 static INLINE int find_vpi(unsigned int);
256 static INLINE int find_vpivci(unsigned int, unsigned int);
257 static INLINE int find_vcc(struct atm_vcc *);
258
259 /*
260 * ReTX functions
261 */
262 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
263 static void retx_polling_func(unsigned long);
264 static int init_atm_tc_retrans_param(void);
265 static void clear_atm_tc_retrans_param(void);
266 #endif
267
268
269 /*
270 * Debug Functions
271 */
272 #if defined(DEBUG_DUMP_SKB) && DEBUG_DUMP_SKB
273 static void dump_skb(struct sk_buff *, unsigned int, char *, int, int, int);
274 #else
275 #define dump_skb(skb, len, title, port, ch, is_tx) do {} while (0)
276 #endif
277 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
278 static void skb_swap(struct sk_buff *, unsigned int);
279 #else
280 #define skb_swap(skb, byteoff) do {} while (0)
281 #endif
282
283 /*
284 * Proc File Functions
285 */
286 static INLINE void proc_file_create(void);
287 static INLINE void proc_file_delete(void);
288 static int proc_read_version(char *, char **, off_t, int, int *, void *);
289 static int proc_read_mib(char *, char **, off_t, int, int *, void *);
290 static int proc_write_mib(struct file *, const char *, unsigned long, void *);
291 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
292 static int proc_read_retx_mib(char *, char **, off_t, int, int *, void *);
293 static int proc_write_retx_mib(struct file *, const char *, unsigned long, void *);
294 #endif
295 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
296 static int proc_read_dbg(char *, char **, off_t, int, int *, void *);
297 static int proc_write_dbg(struct file *, const char *, unsigned long, void *);
298 static int proc_write_mem(struct file *, const char *, unsigned long, void *);
299 #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE)
300 static int proc_read_pp32(char *, char **, off_t, int, int *, void *);
301 static int proc_write_pp32(struct file *, const char *, unsigned long, void *);
302 #endif
303 #endif
304 #if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC
305 static int proc_read_htu(char *, char **, off_t, int, int *, void *);
306 static int proc_read_txq(char *, char **, off_t, int, int *, void *);
307 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
308 static int proc_read_retx_fw(char *, char **, off_t, int, int *, void *);
309 static int proc_read_retx_stats(char *, char **, off_t, int, int *, void *);
310 static int proc_write_retx_stats(struct file *, const char *, unsigned long, void *);
311 static int proc_read_retx_cfg(char *, char **, off_t, int, int *, void *);
312 static int proc_write_retx_cfg(struct file *, const char *, unsigned long, void *);
313 static int proc_read_retx_dsl_param(char *, char **, off_t, int, int *, void *);
314 #endif
315 #endif
316
317 /*
318 * Proc Help Functions
319 */
320 static int stricmp(const char *, const char *);
321 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
322 static int strincmp(const char *, const char *, int);
323 static int get_token(char **, char **, int *, int *);
324 static unsigned int get_number(char **, int *, int);
325 static void ignore_space(char **, int *);
326 #endif
327 static INLINE int ifx_atm_version(char *);
328
329 /*
330 * Init & clean-up functions
331 */
332 static INLINE void check_parameters(void);
333 static INLINE int init_priv_data(void);
334 static INLINE void clear_priv_data(void);
335 static INLINE void init_rx_tables(void);
336 static INLINE void init_tx_tables(void);
337
338 /*
339 * Exteranl Function
340 */
341 #if defined(CONFIG_IFX_OAM) || defined(CONFIG_IFX_OAM_MODULE)
342 extern void ifx_push_oam(unsigned char *);
343 #else
344 static inline void ifx_push_oam(unsigned char *dummy) {}
345 #endif
346 #if defined(CONFIG_IFXMIPS_DSL_CPE_MEI) || defined(CONFIG_IFXMIPS_DSL_CPE_MEI_MODULE)
347 #if !defined(ENABLE_LED_FRAMEWORK) || !ENABLE_LED_FRAMEWORK
348 extern int ifx_mei_atm_led_blink(void) __attribute__ ((weak));
349 #endif
350 extern int ifx_mei_atm_showtime_check(int *is_showtime, struct port_cell_info *port_cell, void **xdata_addr) __attribute__ ((weak));
351 #else
352 #if !defined(ENABLE_LED_FRAMEWORK) || !ENABLE_LED_FRAMEWORK
353 static inline int ifx_mei_atm_led_blink(void) { return IFX_SUCCESS; }
354 #endif
355 static inline int ifx_mei_atm_showtime_check(int *is_showtime, struct port_cell_info *port_cell, void **xdata_addr)
356 {
357 if ( is_showtime != NULL )
358 *is_showtime = 0;
359 return IFX_SUCCESS;
360 }
361 #endif
362
363 /*
364 * External variable
365 */
366 struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL;
367
368
369 //extern struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int);
370 #if defined(CONFIG_IFXMIPS_DSL_CPE_MEI) || defined(CONFIG_IFXMIPS_DSL_CPE_MEI_MODULE)
371 extern int (*ifx_mei_atm_showtime_enter)(struct port_cell_info *, void *) __attribute__ ((weak));
372 extern int (*ifx_mei_atm_showtime_exit)(void) __attribute__ ((weak));
373 #else
374 int (*ifx_mei_atm_showtime_enter)(struct port_cell_info *, void *) = NULL;
375 EXPORT_SYMBOL(ifx_mei_atm_showtime_enter);
376 int (*ifx_mei_atm_showtime_exit)(void) = NULL;
377 EXPORT_SYMBOL(ifx_mei_atm_showtime_exit);
378 #endif
379
380
381
382 /*
383 * ####################################
384 * Local Variable
385 * ####################################
386 */
387
388 static struct atm_priv_data g_atm_priv_data;
389
390 static struct atmdev_ops g_ifx_atm_ops = {
391 .open = ppe_open,
392 .close = ppe_close,
393 .ioctl = ppe_ioctl,
394 .send = ppe_send,
395 .send_oam = ppe_send_oam,
396 .change_qos = ppe_change_qos,
397 .owner = THIS_MODULE,
398 };
399
400 #if defined(ENABLE_TASKLET) && ENABLE_TASKLET
401 DECLARE_TASKLET(g_dma_tasklet, do_ppe_tasklet, 0);
402 #endif
403
404 static int g_showtime = 0;
405 static void *g_xdata_addr = NULL;
406
407 #if 0 /*--- defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK ---*/
408 static void *g_data_led_trigger = NULL;
409 #endif
410
411 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
412 static unsigned long g_retx_playout_buffer = 0;
413
414 static volatile int g_retx_htu = 1;
415 static struct dsl_param g_dsl_param = {0};
416 static int g_retx_polling_cnt = HZ;
417 static struct timeval g_retx_polling_start = {0}, g_retx_polling_end = {0};
418 static struct timer_list g_retx_polling_timer;
419 #endif
420
421 unsigned int ifx_atm_dbg_enable = 0;
422
423 static struct proc_dir_entry* g_atm_dir = NULL;
424
425
426
427 /*
428 * ####################################
429 * Local Function
430 * ####################################
431 */
432
433 static int ppe_ioctl(struct atm_dev *dev, unsigned int cmd, void *arg)
434 {
435 int ret = 0;
436 atm_cell_ifEntry_t mib_cell;
437 atm_aal5_ifEntry_t mib_aal5;
438 atm_aal5_vcc_x_t mib_vcc;
439 unsigned int value;
440 int conn;
441
442 if ( _IOC_TYPE(cmd) != PPE_ATM_IOC_MAGIC
443 || _IOC_NR(cmd) >= PPE_ATM_IOC_MAXNR )
444 return -ENOTTY;
445
446 if ( _IOC_DIR(cmd) & _IOC_READ )
447 ret = !access_ok(VERIFY_WRITE, arg, _IOC_SIZE(cmd));
448 else if ( _IOC_DIR(cmd) & _IOC_WRITE )
449 ret = !access_ok(VERIFY_READ, arg, _IOC_SIZE(cmd));
450 if ( ret )
451 return -EFAULT;
452
453 switch ( cmd )
454 {
455 case PPE_ATM_MIB_CELL: /* cell level MIB */
456 /* These MIB should be read at ARC side, now put zero only. */
457 mib_cell.ifHCInOctets_h = 0;
458 mib_cell.ifHCInOctets_l = 0;
459 mib_cell.ifHCOutOctets_h = 0;
460 mib_cell.ifHCOutOctets_l = 0;
461 mib_cell.ifInErrors = 0;
462 mib_cell.ifInUnknownProtos = WAN_MIB_TABLE->wrx_drophtu_cell;
463 mib_cell.ifOutErrors = 0;
464
465 ret = sizeof(mib_cell) - copy_to_user(arg, &mib_cell, sizeof(mib_cell));
466 break;
467
468 case PPE_ATM_MIB_AAL5: /* AAL5 MIB */
469 value = WAN_MIB_TABLE->wrx_total_byte;
470 u64_add_u32(g_atm_priv_data.wrx_total_byte, value - g_atm_priv_data.prev_wrx_total_byte, &g_atm_priv_data.wrx_total_byte);
471 g_atm_priv_data.prev_wrx_total_byte = value;
472 mib_aal5.ifHCInOctets_h = g_atm_priv_data.wrx_total_byte.h;
473 mib_aal5.ifHCInOctets_l = g_atm_priv_data.wrx_total_byte.l;
474
475 value = WAN_MIB_TABLE->wtx_total_byte;
476 u64_add_u32(g_atm_priv_data.wtx_total_byte, value - g_atm_priv_data.prev_wtx_total_byte, &g_atm_priv_data.wtx_total_byte);
477 g_atm_priv_data.prev_wtx_total_byte = value;
478 mib_aal5.ifHCOutOctets_h = g_atm_priv_data.wtx_total_byte.h;
479 mib_aal5.ifHCOutOctets_l = g_atm_priv_data.wtx_total_byte.l;
480
481 mib_aal5.ifInUcastPkts = g_atm_priv_data.wrx_pdu;
482 mib_aal5.ifOutUcastPkts = WAN_MIB_TABLE->wtx_total_pdu;
483 mib_aal5.ifInErrors = WAN_MIB_TABLE->wrx_err_pdu;
484 mib_aal5.ifInDiscards = WAN_MIB_TABLE->wrx_dropdes_pdu + g_atm_priv_data.wrx_drop_pdu;
485 mib_aal5.ifOutErros = g_atm_priv_data.wtx_err_pdu;
486 mib_aal5.ifOutDiscards = g_atm_priv_data.wtx_drop_pdu;
487
488 ret = sizeof(mib_aal5) - copy_to_user(arg, &mib_aal5, sizeof(mib_aal5));
489 break;
490
491 case PPE_ATM_MIB_VCC: /* VCC related MIB */
492 copy_from_user(&mib_vcc, arg, sizeof(mib_vcc));
493 conn = find_vpivci(mib_vcc.vpi, mib_vcc.vci);
494 if ( conn >= 0 )
495 {
496 mib_vcc.mib_vcc.aal5VccCrcErrors = g_atm_priv_data.conn[conn].aal5_vcc_crc_err;
497 mib_vcc.mib_vcc.aal5VccOverSizedSDUs = g_atm_priv_data.conn[conn].aal5_vcc_oversize_sdu;
498 mib_vcc.mib_vcc.aal5VccSarTimeOuts = 0; /* no timer support */
499 ret = sizeof(mib_vcc) - copy_to_user(arg, &mib_vcc, sizeof(mib_vcc));
500 }
501 else
502 ret = -EINVAL;
503 break;
504
505 default:
506 ret = -ENOIOCTLCMD;
507 }
508
509 return ret;
510 }
511
512 static int ppe_open(struct atm_vcc *vcc)
513 {
514 int ret;
515 short vpi = vcc->vpi;
516 int vci = vcc->vci;
517 struct port *port = &g_atm_priv_data.port[(int)vcc->dev->dev_data];
518 int conn;
519 int f_enable_irq = 0;
520 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
521 int sys_flag;
522 #endif
523
524 if ( vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0 )
525 return -EPROTONOSUPPORT;
526
527 #if !defined(DISABLE_QOS_WORKAROUND) || !DISABLE_QOS_WORKAROUND
528 /* check bandwidth */
529
530 if (vcc->qos.txtp.traffic_class == ATM_CBR &&
531 vcc->qos.txtp.max_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate))
532 {
533 printk("CBR set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__);
534 ret = -EINVAL;
535 goto PPE_OPEN_EXIT;
536 }
537 if(vcc->qos.txtp.traffic_class == ATM_VBR_RT &&
538 vcc->qos.txtp.max_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate))
539 {
540 printk("VBR RT set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__);
541 ret = -EINVAL;
542 goto PPE_OPEN_EXIT;
543 }
544
545 if (vcc->qos.txtp.traffic_class == ATM_VBR_NRT &&
546 vcc->qos.txtp.scr > (port->tx_max_cell_rate - port->tx_current_cell_rate))
547 {
548 printk("VBR NRT set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__);
549 ret = -EINVAL;
550 goto PPE_OPEN_EXIT;
551 }
552
553 if (vcc->qos.txtp.traffic_class == ATM_UBR_PLUS &&
554 vcc->qos.txtp.min_pcr > (port->tx_max_cell_rate - port->tx_current_cell_rate))
555 {
556 printk("UBR PLUS set. %s, line %d returns EINVAL\n", __FUNCTION__, __LINE__);
557 ret = -EINVAL;
558 goto PPE_OPEN_EXIT;
559 }
560
561 #endif
562
563 /* check existing vpi,vci */
564 conn = find_vpivci(vpi, vci);
565 if ( conn >= 0 ) {
566 ret = -EADDRINUSE;
567 goto PPE_OPEN_EXIT;
568 }
569
570 /* check whether it need to enable irq */
571 if ( g_atm_priv_data.conn_table == 0 )
572 f_enable_irq = 1;
573
574 /* allocate connection */
575 for ( conn = 0; conn < MAX_PVC_NUMBER; conn++ ) {
576 if ( test_and_set_bit(conn, &g_atm_priv_data.conn_table) == 0 ) {
577 g_atm_priv_data.conn[conn].vcc = vcc;
578 break;
579 }
580 }
581 if ( conn == MAX_PVC_NUMBER )
582 {
583 printk("max_pvc_number reached\n");
584 ret = -EINVAL;
585 goto PPE_OPEN_EXIT;
586 }
587
588 /* reserve bandwidth */
589 switch ( vcc->qos.txtp.traffic_class ) {
590 case ATM_CBR:
591 case ATM_VBR_RT:
592 port->tx_current_cell_rate += vcc->qos.txtp.max_pcr;
593 break;
594 case ATM_VBR_NRT:
595 port->tx_current_cell_rate += vcc->qos.txtp.scr;
596 break;
597 case ATM_UBR_PLUS:
598 port->tx_current_cell_rate += vcc->qos.txtp.min_pcr;
599 break;
600 }
601
602 /* set qsb */
603 set_qsb(vcc, &vcc->qos, conn);
604
605 /* update atm_vcc structure */
606 vcc->itf = (int)vcc->dev->dev_data;
607 vcc->vpi = vpi;
608 vcc->vci = vci;
609 set_bit(ATM_VF_READY, &vcc->flags);
610
611 /* enable irq */
612 if (f_enable_irq ) {
613 ifx_atm_alloc_tx = atm_alloc_tx;
614
615 *MBOX_IGU1_ISRC = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM);
616 *MBOX_IGU1_IER = (1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM);
617
618 enable_irq(PPE_MAILBOX_IGU1_INT);
619 }
620
621 /* set port */
622 WTX_QUEUE_CONFIG(conn + FIRST_QSB_QID)->sbid = (int)vcc->dev->dev_data;
623
624 /* set htu entry */
625 set_htu_entry(vpi, vci, conn, vcc->qos.aal == ATM_AAL5 ? 1 : 0, 0);
626
627 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
628 // ReTX: occupy second QID
629 local_irq_save(sys_flag);
630 if ( g_retx_htu && vcc->qos.aal == ATM_AAL5 )
631 {
632 int retx_conn = (conn + 8) % 16; // ReTX queue
633
634 if ( retx_conn < MAX_PVC_NUMBER && test_and_set_bit(retx_conn, &g_atm_priv_data.conn_table) == 0 ) {
635 g_atm_priv_data.conn[retx_conn].vcc = vcc;
636 set_htu_entry(vpi, vci, retx_conn, vcc->qos.aal == ATM_AAL5 ? 1 : 0, 1);
637 }
638 }
639 local_irq_restore(sys_flag);
640 #endif
641
642 ret = 0;
643
644 PPE_OPEN_EXIT:
645 return ret;
646 }
647
648 static void ppe_close(struct atm_vcc *vcc)
649 {
650 int conn;
651 struct port *port;
652 struct connection *connection;
653 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
654 int sys_flag;
655 #endif
656
657 if ( vcc == NULL )
658 return;
659
660 /* get connection id */
661 conn = find_vcc(vcc);
662 if ( conn < 0 ) {
663 err("can't find vcc");
664 goto PPE_CLOSE_EXIT;
665 }
666 connection = &g_atm_priv_data.conn[conn];
667 port = &g_atm_priv_data.port[connection->port];
668
669 /* clear htu */
670 clear_htu_entry(conn);
671
672 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
673 // ReTX: release second QID
674 local_irq_save(sys_flag);
675 if ( g_retx_htu && vcc->qos.aal == ATM_AAL5 )
676 {
677 int retx_conn = (conn + 8) % 16; // ReTX queue
678
679 if ( retx_conn < MAX_PVC_NUMBER && g_atm_priv_data.conn[retx_conn].vcc == vcc ) {
680 clear_htu_entry(retx_conn);
681 g_atm_priv_data.conn[retx_conn].vcc = NULL;
682 g_atm_priv_data.conn[retx_conn].aal5_vcc_crc_err = 0;
683 g_atm_priv_data.conn[retx_conn].aal5_vcc_oversize_sdu = 0;
684 clear_bit(retx_conn, &g_atm_priv_data.conn_table);
685 }
686 }
687 local_irq_restore(sys_flag);
688 #endif
689
690 /* release connection */
691 connection->vcc = NULL;
692 connection->aal5_vcc_crc_err = 0;
693 connection->aal5_vcc_oversize_sdu = 0;
694 clear_bit(conn, &g_atm_priv_data.conn_table);
695
696 /* disable irq */
697 if ( g_atm_priv_data.conn_table == 0 ) {
698 disable_irq(PPE_MAILBOX_IGU1_INT);
699 ifx_atm_alloc_tx = NULL;
700 }
701
702 /* release bandwidth */
703 switch ( vcc->qos.txtp.traffic_class )
704 {
705 case ATM_CBR:
706 case ATM_VBR_RT:
707 port->tx_current_cell_rate -= vcc->qos.txtp.max_pcr;
708 break;
709 case ATM_VBR_NRT:
710 port->tx_current_cell_rate -= vcc->qos.txtp.scr;
711 break;
712 case ATM_UBR_PLUS:
713 port->tx_current_cell_rate -= vcc->qos.txtp.min_pcr;
714 break;
715 }
716
717 PPE_CLOSE_EXIT:
718 return;
719 }
720
721 static int ppe_send(struct atm_vcc *vcc, struct sk_buff *skb)
722 {
723 int ret;
724 int conn;
725 int desc_base;
726 struct tx_descriptor reg_desc = {0};
727
728 if ( vcc == NULL || skb == NULL )
729 return -EINVAL;
730
731 skb_orphan(skb);
732 skb_get(skb);
733 atm_free_tx_skb_vcc(skb, vcc);
734
735 conn = find_vcc(vcc);
736 if ( conn < 0 ) {
737 ret = -EINVAL;
738 goto FIND_VCC_FAIL;
739 }
740
741 if ( !g_showtime ) {
742 err("not in showtime");
743 ret = -EIO;
744 goto PPE_SEND_FAIL;
745 }
746
747 if ( vcc->qos.aal == ATM_AAL5 ) {
748 int byteoff;
749 int datalen;
750 struct tx_inband_header *header;
751
752 datalen = skb->len;
753 byteoff = (unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1);
754
755 if ( skb_headroom(skb) < byteoff + TX_INBAND_HEADER_LENGTH ) {
756 struct sk_buff *new_skb;
757
758 new_skb = alloc_skb_tx(datalen);
759 if ( new_skb == NULL ) {
760 err("ALLOC_SKB_TX_FAIL");
761 ret = -ENOMEM;
762 goto PPE_SEND_FAIL;
763 }
764 skb_put(new_skb, datalen);
765 memcpy(new_skb->data, skb->data, datalen);
766 dev_kfree_skb_any(skb);
767 skb = new_skb;
768 byteoff = (unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1);
769 }
770
771 skb_push(skb, byteoff + TX_INBAND_HEADER_LENGTH);
772
773 header = (struct tx_inband_header *)skb->data;
774
775 /* setup inband trailer */
776 header->uu = 0;
777 header->cpi = 0;
778 header->pad = aal5_fill_pattern;
779 header->res1 = 0;
780
781 /* setup cell header */
782 header->clp = (vcc->atm_options & ATM_ATMOPT_CLP) ? 1 : 0;
783 header->pti = ATM_PTI_US0;
784 header->vci = vcc->vci;
785 header->vpi = vcc->vpi;
786 header->gfc = 0;
787
788 /* setup descriptor */
789 reg_desc.dataptr = (unsigned int)skb->data >> 2;
790 reg_desc.datalen = datalen;
791 reg_desc.byteoff = byteoff;
792 reg_desc.iscell = 0;
793 }
794 else {
795 /* if data pointer is not aligned, allocate new sk_buff */
796 if ( ((unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1)) != 0 ) {
797 struct sk_buff *new_skb;
798
799 err("skb->data not aligned");
800
801 new_skb = alloc_skb_tx(skb->len);
802 if ( new_skb == NULL ) {
803 err("ALLOC_SKB_TX_FAIL");
804 ret = -ENOMEM;
805 goto PPE_SEND_FAIL;
806 }
807 skb_put(new_skb, skb->len);
808 memcpy(new_skb->data, skb->data, skb->len);
809 dev_kfree_skb_any(skb);
810 skb = new_skb;
811 }
812
813 reg_desc.dataptr = (unsigned int)skb->data >> 2;
814 reg_desc.datalen = skb->len;
815 reg_desc.byteoff = 0;
816 reg_desc.iscell = 1;
817 }
818
819 reg_desc.own = 1;
820 reg_desc.c = 1;
821 reg_desc.sop = reg_desc.eop = 1;
822
823 desc_base = get_tx_desc(conn);
824 if ( desc_base < 0 ) {
825 err("ALLOC_TX_CONNECTION_FAIL");
826 ret = -EIO;
827 goto PPE_SEND_FAIL;
828 }
829
830 if ( vcc->stats )
831 atomic_inc(&vcc->stats->tx);
832 if ( vcc->qos.aal == ATM_AAL5 )
833 g_atm_priv_data.wtx_pdu++;
834
835 /* update descriptor send pointer */
836 if ( g_atm_priv_data.conn[conn].tx_skb[desc_base] != NULL )
837 dev_kfree_skb_any(g_atm_priv_data.conn[conn].tx_skb[desc_base]);
838 g_atm_priv_data.conn[conn].tx_skb[desc_base] = skb;
839
840 /* write discriptor to memory and write back cache */
841 #ifdef CONFIG_DEBUG_SLAB
842 /* be sure that "redzone 1" is written back to memory */
843 dma_cache_wback((unsigned long)skb->head, 32);
844 #endif
845 dma_cache_wback((unsigned long)skb_shinfo(skb), sizeof(struct skb_shared_info));
846 dma_cache_wback((unsigned long)skb->data, skb->len);
847 g_atm_priv_data.conn[conn].tx_desc[desc_base] = reg_desc;
848
849 dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 1);
850
851 mailbox_signal(conn, 1);
852
853 adsl_led_flash();
854
855 return 0;
856
857 FIND_VCC_FAIL:
858 err("FIND_VCC_FAIL");
859 g_atm_priv_data.wtx_err_pdu++;
860 dev_kfree_skb_any(skb);
861 return ret;
862
863 PPE_SEND_FAIL:
864 if ( vcc->qos.aal == ATM_AAL5 )
865 g_atm_priv_data.wtx_drop_pdu++;
866 if ( vcc->stats )
867 atomic_inc(&vcc->stats->tx_err);
868 dev_kfree_skb_any(skb);
869 return ret;
870 }
871
872 static int ppe_send_oam(struct atm_vcc *vcc, void *cell, int flags)
873 {
874 int conn;
875 struct uni_cell_header *uni_cell_header = (struct uni_cell_header *)cell;
876 int desc_base;
877 struct sk_buff *skb;
878 struct tx_descriptor reg_desc = {0};
879
880 if ( ((uni_cell_header->pti == ATM_PTI_SEGF5 || uni_cell_header->pti == ATM_PTI_E2EF5)
881 && find_vpivci(uni_cell_header->vpi, uni_cell_header->vci) < 0)
882 || ((uni_cell_header->vci == 0x03 || uni_cell_header->vci == 0x04)
883 && find_vpi(uni_cell_header->vpi) < 0) )
884 return -EINVAL;
885
886 if ( !g_showtime ) {
887 err("not in showtime");
888 return -EIO;
889 }
890
891 conn = find_vcc(vcc);
892 if ( conn < 0 ) {
893 err("FIND_VCC_FAIL");
894 return -EINVAL;
895 }
896
897 skb = alloc_skb_tx(CELL_SIZE);
898 if ( skb == NULL ) {
899 err("ALLOC_SKB_TX_FAIL");
900 return -ENOMEM;
901 }
902 memcpy(skb->data, cell, CELL_SIZE);
903
904 reg_desc.dataptr = (unsigned int)skb->data >> 2;
905 reg_desc.datalen = CELL_SIZE;
906 reg_desc.byteoff = 0;
907 reg_desc.iscell = 1;
908
909 reg_desc.own = 1;
910 reg_desc.c = 1;
911 reg_desc.sop = reg_desc.eop = 1;
912
913 desc_base = get_tx_desc(conn);
914 if ( desc_base < 0 ) {
915 dev_kfree_skb_any(skb);
916 err("ALLOC_TX_CONNECTION_FAIL");
917 return -EIO;
918 }
919
920 if ( vcc->stats )
921 atomic_inc(&vcc->stats->tx);
922
923 /* update descriptor send pointer */
924 if ( g_atm_priv_data.conn[conn].tx_skb[desc_base] != NULL )
925 dev_kfree_skb_any(g_atm_priv_data.conn[conn].tx_skb[desc_base]);
926 g_atm_priv_data.conn[conn].tx_skb[desc_base] = skb;
927
928 /* write discriptor to memory and write back cache */
929 g_atm_priv_data.conn[conn].tx_desc[desc_base] = reg_desc;
930 dma_cache_wback((unsigned long)skb->data, CELL_SIZE);
931
932 dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 1);
933
934 if ( vcc->qos.aal == ATM_AAL5 && (ifx_atm_dbg_enable & DBG_ENABLE_MASK_MAC_SWAP) ) {
935 skb_swap(skb, reg_desc.byteoff);
936 }
937
938 mailbox_signal(conn, 1);
939
940 adsl_led_flash();
941
942 return 0;
943 }
944
945 static int ppe_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags)
946 {
947 int conn;
948
949 if ( vcc == NULL || qos == NULL )
950 return -EINVAL;
951
952 conn = find_vcc(vcc);
953 if ( conn < 0 )
954 return -EINVAL;
955
956 set_qsb(vcc, qos, conn);
957
958 return 0;
959 }
960
961 static INLINE void adsl_led_flash(void)
962 {
963 #if 0
964 #if defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK
965 if ( g_data_led_trigger != NULL )
966 ifx_led_trigger_activate(g_data_led_trigger);
967 #else
968 if (!IS_ERR(&ifx_mei_atm_led_blink) && &ifx_mei_atm_led_blink )
969 ifx_mei_atm_led_blink();
970 #endif
971 #endif
972 }
973
974 /*
975 * Description:
976 * Add a 32-bit value to 64-bit value, and put result in a 64-bit variable.
977 * Input:
978 * opt1 --- ppe_u64_t, first operand, a 64-bit unsigned integer value
979 * opt2 --- unsigned int, second operand, a 32-bit unsigned integer value
980 * ret --- ppe_u64_t, pointer to a variable to hold result
981 * Output:
982 * none
983 */
984 static INLINE void u64_add_u32(ppe_u64_t opt1, unsigned int opt2, ppe_u64_t *ret)
985 {
986 ret->l = opt1.l + opt2;
987 if ( ret->l < opt1.l || ret->l < opt2 )
988 ret->h++;
989 }
990
991 static INLINE struct sk_buff* alloc_skb_rx(void)
992 {
993 struct sk_buff *skb;
994
995 skb = dev_alloc_skb(RX_DMA_CH_AAL_BUF_SIZE + DATA_BUFFER_ALIGNMENT);
996 if ( skb != NULL ) {
997 /* must be burst length alignment */
998 if ( ((unsigned int)skb->data & (DATA_BUFFER_ALIGNMENT - 1)) != 0 )
999 skb_reserve(skb, ~((unsigned int)skb->data + (DATA_BUFFER_ALIGNMENT - 1)) & (DATA_BUFFER_ALIGNMENT - 1));
1000 /* pub skb in reserved area "skb->data - 4" */
1001 *((struct sk_buff **)skb->data - 1) = skb;
1002 /* write back and invalidate cache */
1003 dma_cache_wback_inv((unsigned long)skb->data - sizeof(skb), sizeof(skb));
1004 /* invalidate cache */
1005 dma_cache_inv((unsigned long)skb->data, (unsigned int)skb->end - (unsigned int)skb->data);
1006 }
1007
1008 return skb;
1009 }
1010
1011 static INLINE struct sk_buff* alloc_skb_tx(unsigned int size)
1012 {
1013 struct sk_buff *skb;
1014
1015 /* allocate memory including header and padding */
1016 size += TX_INBAND_HEADER_LENGTH + MAX_TX_PACKET_ALIGN_BYTES + MAX_TX_PACKET_PADDING_BYTES;
1017 size &= ~(DATA_BUFFER_ALIGNMENT - 1);
1018 skb = dev_alloc_skb(size + DATA_BUFFER_ALIGNMENT);
1019 /* must be burst length alignment */
1020 if ( skb != NULL )
1021 skb_reserve(skb, (~((unsigned int)skb->data + (DATA_BUFFER_ALIGNMENT - 1)) & (DATA_BUFFER_ALIGNMENT - 1)) + TX_INBAND_HEADER_LENGTH);
1022 return skb;
1023 }
1024
1025 struct sk_buff* atm_alloc_tx(struct atm_vcc *vcc, unsigned int size)
1026 {
1027 int conn;
1028 struct sk_buff *skb;
1029
1030 /* oversize packet */
1031 if ( size > aal5s_max_packet_size ) {
1032 err("atm_alloc_tx: oversize packet");
1033 return NULL;
1034 }
1035 /* send buffer overflow */
1036 if ( atomic_read(&sk_atm(vcc)->sk_wmem_alloc) && !atm_may_send(vcc, size) ) {
1037 err("atm_alloc_tx: send buffer overflow");
1038 return NULL;
1039 }
1040 conn = find_vcc(vcc);
1041 if ( conn < 0 ) {
1042 err("atm_alloc_tx: unknown VCC");
1043 return NULL;
1044 }
1045
1046 skb = dev_alloc_skb(size);
1047 if ( skb == NULL ) {
1048 err("atm_alloc_tx: sk buffer is used up");
1049 return NULL;
1050 }
1051
1052 atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
1053
1054 return skb;
1055 }
1056
1057 static INLINE void atm_free_tx_skb_vcc(struct sk_buff *skb, struct atm_vcc *vcc)
1058 {
1059 if ( vcc->pop != NULL )
1060 vcc->pop(vcc, skb);
1061 else
1062 dev_kfree_skb_any(skb);
1063 }
1064
1065 static INLINE struct sk_buff *get_skb_rx_pointer(unsigned int dataptr)
1066 {
1067 unsigned int skb_dataptr;
1068 struct sk_buff *skb;
1069
1070 skb_dataptr = ((dataptr - 1) << 2) | KSEG1;
1071 skb = *(struct sk_buff **)skb_dataptr;
1072
1073 ASSERT((unsigned int)skb >= KSEG0, "invalid skb - skb = %#08x, dataptr = %#08x", (unsigned int)skb, dataptr);
1074 ASSERT(((unsigned int)skb->data | KSEG1) == ((dataptr << 2) | KSEG1), "invalid skb - skb = %#08x, skb->data = %#08x, dataptr = %#08x", (unsigned int)skb, (unsigned int)skb->data, dataptr);
1075
1076 return skb;
1077 }
1078
1079 static INLINE int get_tx_desc(unsigned int conn)
1080 {
1081 int desc_base = -1;
1082 struct connection *p_conn = &g_atm_priv_data.conn[conn];
1083
1084 if ( p_conn->tx_desc[p_conn->tx_desc_pos].own == 0 ) {
1085 desc_base = p_conn->tx_desc_pos;
1086 if ( ++(p_conn->tx_desc_pos) == dma_tx_descriptor_length )
1087 p_conn->tx_desc_pos = 0;
1088 }
1089
1090 return desc_base;
1091 }
1092
1093 static INLINE void mailbox_oam_rx_handler(void)
1094 {
1095 unsigned int vlddes = WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_OAM)->vlddes;
1096 struct rx_descriptor reg_desc;
1097 struct uni_cell_header *header;
1098 int conn;
1099 struct atm_vcc *vcc;
1100 unsigned int i;
1101
1102 for ( i = 0; i < vlddes; i++ ) {
1103 do {
1104 reg_desc = g_atm_priv_data.oam_desc[g_atm_priv_data.oam_desc_pos];
1105 } while ( reg_desc.own || !reg_desc.c ); // keep test OWN and C bit until data is ready
1106
1107 header = (struct uni_cell_header *)&g_atm_priv_data.oam_buf[g_atm_priv_data.oam_desc_pos * RX_DMA_CH_OAM_BUF_SIZE];
1108
1109 if ( header->pti == ATM_PTI_SEGF5 || header->pti == ATM_PTI_E2EF5 )
1110 conn = find_vpivci(header->vpi, header->vci);
1111 else if ( header->vci == 0x03 || header->vci == 0x04 )
1112 conn = find_vpi(header->vpi);
1113 else
1114 conn = -1;
1115
1116 if ( conn >= 0 && g_atm_priv_data.conn[conn].vcc != NULL ) {
1117 vcc = g_atm_priv_data.conn[conn].vcc;
1118
1119 if ( vcc->push_oam != NULL )
1120 vcc->push_oam(vcc, header);
1121 else
1122 ifx_push_oam((unsigned char *)header);
1123 adsl_led_flash();
1124 }
1125
1126 reg_desc.byteoff = 0;
1127 reg_desc.datalen = RX_DMA_CH_OAM_BUF_SIZE;
1128 reg_desc.own = 1;
1129 reg_desc.c = 0;
1130
1131 g_atm_priv_data.oam_desc[g_atm_priv_data.oam_desc_pos] = reg_desc;
1132 if ( ++g_atm_priv_data.oam_desc_pos == RX_DMA_CH_OAM_DESC_LEN )
1133 g_atm_priv_data.oam_desc_pos = 0;
1134
1135 mailbox_signal(RX_DMA_CH_OAM, 0);
1136 }
1137 }
1138
1139 static INLINE void mailbox_aal_rx_handler(void)
1140 {
1141 unsigned int vlddes = WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_AAL)->vlddes;
1142 struct rx_descriptor reg_desc;
1143 int conn;
1144 struct atm_vcc *vcc;
1145 struct sk_buff *skb, *new_skb;
1146 struct rx_inband_trailer *trailer;
1147 unsigned int i;
1148
1149 for ( i = 0; i < vlddes; i++ ) {
1150 do {
1151 reg_desc = g_atm_priv_data.aal_desc[g_atm_priv_data.aal_desc_pos];
1152 } while ( reg_desc.own || !reg_desc.c ); // keep test OWN and C bit until data is ready
1153
1154 conn = reg_desc.id;
1155
1156 if ( g_atm_priv_data.conn[conn].vcc != NULL ) {
1157 vcc = g_atm_priv_data.conn[conn].vcc;
1158
1159 skb = get_skb_rx_pointer(reg_desc.dataptr);
1160
1161 if ( reg_desc.err ) {
1162 if ( vcc->qos.aal == ATM_AAL5 ) {
1163 trailer = (struct rx_inband_trailer *)((unsigned int)skb->data + ((reg_desc.byteoff + reg_desc.datalen + MAX_RX_PACKET_PADDING_BYTES) & ~MAX_RX_PACKET_PADDING_BYTES));
1164 if ( trailer->stw_crc )
1165 g_atm_priv_data.conn[conn].aal5_vcc_crc_err++;
1166 if ( trailer->stw_ovz )
1167 g_atm_priv_data.conn[conn].aal5_vcc_oversize_sdu++;
1168 g_atm_priv_data.wrx_drop_pdu++;
1169 }
1170 if ( vcc->stats ) {
1171 atomic_inc(&vcc->stats->rx_drop);
1172 atomic_inc(&vcc->stats->rx_err);
1173 }
1174 }
1175 else if ( atm_charge(vcc, skb->truesize) ) {
1176 new_skb = alloc_skb_rx();
1177 if ( new_skb != NULL ) {
1178 skb_reserve(skb, reg_desc.byteoff);
1179 skb_put(skb, reg_desc.datalen);
1180 ATM_SKB(skb)->vcc = vcc;
1181
1182 dump_skb(skb, DUMP_SKB_LEN, (char *)__func__, 0, conn, 0);
1183
1184 vcc->push(vcc, skb);
1185
1186 if ( vcc->qos.aal == ATM_AAL5 )
1187 g_atm_priv_data.wrx_pdu++;
1188 if ( vcc->stats )
1189 atomic_inc(&vcc->stats->rx);
1190 adsl_led_flash();
1191
1192 reg_desc.dataptr = (unsigned int)new_skb->data >> 2;
1193 }
1194 else {
1195 atm_return(vcc, skb->truesize);
1196 if ( vcc->qos.aal == ATM_AAL5 )
1197 g_atm_priv_data.wrx_drop_pdu++;
1198 if ( vcc->stats )
1199 atomic_inc(&vcc->stats->rx_drop);
1200 }
1201 }
1202 else {
1203 if ( vcc->qos.aal == ATM_AAL5 )
1204 g_atm_priv_data.wrx_drop_pdu++;
1205 if ( vcc->stats )
1206 atomic_inc(&vcc->stats->rx_drop);
1207 }
1208 }
1209 else {
1210 g_atm_priv_data.wrx_drop_pdu++;
1211 }
1212
1213 reg_desc.byteoff = 0;
1214 reg_desc.datalen = RX_DMA_CH_AAL_BUF_SIZE;
1215 reg_desc.own = 1;
1216 reg_desc.c = 0;
1217
1218 g_atm_priv_data.aal_desc[g_atm_priv_data.aal_desc_pos] = reg_desc;
1219 if ( ++g_atm_priv_data.aal_desc_pos == dma_rx_descriptor_length )
1220 g_atm_priv_data.aal_desc_pos = 0;
1221
1222 mailbox_signal(RX_DMA_CH_AAL, 0);
1223 }
1224 }
1225
1226 #if defined(ENABLE_TASKLET) && ENABLE_TASKLET
1227 static void do_ppe_tasklet(unsigned long arg)
1228 {
1229 *MBOX_IGU1_ISRC = *MBOX_IGU1_ISR;
1230 mailbox_oam_rx_handler();
1231 mailbox_aal_rx_handler();
1232 if ( (*MBOX_IGU1_ISR & ((1 << RX_DMA_CH_AAL) | (1 << RX_DMA_CH_OAM))) != 0 )
1233 tasklet_schedule(&g_dma_tasklet);
1234 else
1235 enable_irq(PPE_MAILBOX_IGU1_INT);
1236 }
1237 #endif
1238
1239 static irqreturn_t mailbox_irq_handler(int irq, void *dev_id)
1240 {
1241 if ( !*MBOX_IGU1_ISR )
1242 return IRQ_HANDLED;
1243
1244 #if defined(ENABLE_TASKLET) && ENABLE_TASKLET
1245 disable_irq(PPE_MAILBOX_IGU1_INT);
1246 tasklet_schedule(&g_dma_tasklet);
1247 #else
1248 *MBOX_IGU1_ISRC = *MBOX_IGU1_ISR;
1249 mailbox_oam_rx_handler();
1250 mailbox_aal_rx_handler();
1251 #endif
1252
1253 return IRQ_HANDLED;
1254 }
1255
1256 static INLINE void mailbox_signal(unsigned int queue, int is_tx)
1257 {
1258 int count = 1000;
1259
1260 if ( is_tx ) {
1261 while ( MBOX_IGU3_ISR_ISR(queue + FIRST_QSB_QID + 16) && count)
1262 count--;
1263 *MBOX_IGU3_ISRS = MBOX_IGU3_ISRS_SET(queue + FIRST_QSB_QID + 16);
1264 }
1265 else {
1266 while ( MBOX_IGU3_ISR_ISR(queue) && count)
1267 count--;
1268 *MBOX_IGU3_ISRS = MBOX_IGU3_ISRS_SET(queue);
1269 }
1270 ASSERT(count != 0, "MBOX_IGU3_ISR = 0x%08x", ltq_r32(MBOX_IGU3_ISR));
1271 }
1272
1273 static void set_qsb(struct atm_vcc *vcc, struct atm_qos *qos, unsigned int queue)
1274 {
1275 struct clk *clk = clk_get(0, "fpi");
1276 unsigned int qsb_clk = clk_get_rate(clk);
1277 unsigned int qsb_qid = queue + FIRST_QSB_QID;
1278 union qsb_queue_parameter_table qsb_queue_parameter_table = {{0}};
1279 union qsb_queue_vbr_parameter_table qsb_queue_vbr_parameter_table = {{0}};
1280 unsigned int tmp;
1281
1282 #if defined(DEBUG_QOS) && DEBUG_QOS
1283 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) {
1284 static char *str_traffic_class[9] = {
1285 "ATM_NONE",
1286 "ATM_UBR",
1287 "ATM_CBR",
1288 "ATM_VBR",
1289 "ATM_ABR",
1290 "ATM_ANYCLASS",
1291 "ATM_VBR_RT",
1292 "ATM_UBR_PLUS",
1293 "ATM_MAX_PCR"
1294 };
1295 printk(KERN_INFO "QoS Parameters:\n");
1296 printk(KERN_INFO "\tAAL : %d\n", qos->aal);
1297 printk(KERN_INFO "\tTX Traffic Class: %s\n", str_traffic_class[qos->txtp.traffic_class]);
1298 printk(KERN_INFO "\tTX Max PCR : %d\n", qos->txtp.max_pcr);
1299 printk(KERN_INFO "\tTX Min PCR : %d\n", qos->txtp.min_pcr);
1300 printk(KERN_INFO "\tTX PCR : %d\n", qos->txtp.pcr);
1301 printk(KERN_INFO "\tTX Max CDV : %d\n", qos->txtp.max_cdv);
1302 printk(KERN_INFO "\tTX Max SDU : %d\n", qos->txtp.max_sdu);
1303 printk(KERN_INFO "\tTX SCR : %d\n", qos->txtp.scr);
1304 printk(KERN_INFO "\tTX MBS : %d\n", qos->txtp.mbs);
1305 printk(KERN_INFO "\tTX CDV : %d\n", qos->txtp.cdv);
1306 printk(KERN_INFO "\tRX Traffic Class: %s\n", str_traffic_class[qos->rxtp.traffic_class]);
1307 printk(KERN_INFO "\tRX Max PCR : %d\n", qos->rxtp.max_pcr);
1308 printk(KERN_INFO "\tRX Min PCR : %d\n", qos->rxtp.min_pcr);
1309 printk(KERN_INFO "\tRX PCR : %d\n", qos->rxtp.pcr);
1310 printk(KERN_INFO "\tRX Max CDV : %d\n", qos->rxtp.max_cdv);
1311 printk(KERN_INFO "\tRX Max SDU : %d\n", qos->rxtp.max_sdu);
1312 printk(KERN_INFO "\tRX SCR : %d\n", qos->rxtp.scr);
1313 printk(KERN_INFO "\tRX MBS : %d\n", qos->rxtp.mbs);
1314 printk(KERN_INFO "\tRX CDV : %d\n", qos->rxtp.cdv);
1315 }
1316 #endif // defined(DEBUG_QOS) && DEBUG_QOS
1317
1318 /*
1319 * Peak Cell Rate (PCR) Limiter
1320 */
1321 if ( qos->txtp.max_pcr == 0 )
1322 qsb_queue_parameter_table.bit.tp = 0; /* disable PCR limiter */
1323 else {
1324 /* peak cell rate would be slightly lower than requested [maximum_rate / pcr = (qsb_clock / 8) * (time_step / 4) / pcr] */
1325 tmp = ((qsb_clk * qsb_tstep) >> 5) / qos->txtp.max_pcr + 1;
1326 /* check if overflow takes place */
1327 qsb_queue_parameter_table.bit.tp = tmp > QSB_TP_TS_MAX ? QSB_TP_TS_MAX : tmp;
1328 }
1329
1330 // A funny issue. Create two PVCs, one UBR and one UBR with max_pcr.
1331 // Send packets to these two PVCs at same time, it trigger strange behavior.
1332 // In A1, RAM from 0x80000000 to 0x0x8007FFFF was corrupted with fixed pattern 0x00000000 0x40000000.
1333 // In A4, PPE firmware keep emiting unknown cell and do not respond to driver.
1334 // To work around, create UBR always with max_pcr.
1335 // If user want to create UBR without max_pcr, we give a default one larger than line-rate.
1336 if ( qos->txtp.traffic_class == ATM_UBR && qsb_queue_parameter_table.bit.tp == 0 ) {
1337 int port = g_atm_priv_data.conn[queue].port;
1338 unsigned int max_pcr = g_atm_priv_data.port[port].tx_max_cell_rate + 1000;
1339
1340 tmp = ((qsb_clk * qsb_tstep) >> 5) / max_pcr + 1;
1341 if ( tmp > QSB_TP_TS_MAX )
1342 tmp = QSB_TP_TS_MAX;
1343 else if ( tmp < 1 )
1344 tmp = 1;
1345 qsb_queue_parameter_table.bit.tp = tmp;
1346 }
1347
1348 /*
1349 * Weighted Fair Queueing Factor (WFQF)
1350 */
1351 switch ( qos->txtp.traffic_class ) {
1352 case ATM_CBR:
1353 case ATM_VBR_RT:
1354 /* real time queue gets weighted fair queueing bypass */
1355 qsb_queue_parameter_table.bit.wfqf = 0;
1356 break;
1357 case ATM_VBR_NRT:
1358 case ATM_UBR_PLUS:
1359 /* WFQF calculation here is based on virtual cell rates, to reduce granularity for high rates */
1360 /* WFQF is maximum cell rate / garenteed cell rate */
1361 /* wfqf = qsb_minimum_cell_rate * QSB_WFQ_NONUBR_MAX / requested_minimum_peak_cell_rate */
1362 if ( qos->txtp.min_pcr == 0 )
1363 qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_NONUBR_MAX;
1364 else
1365 {
1366 tmp = QSB_GCR_MIN * QSB_WFQ_NONUBR_MAX / qos->txtp.min_pcr;
1367 if ( tmp == 0 )
1368 qsb_queue_parameter_table.bit.wfqf = 1;
1369 else if ( tmp > QSB_WFQ_NONUBR_MAX )
1370 qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_NONUBR_MAX;
1371 else
1372 qsb_queue_parameter_table.bit.wfqf = tmp;
1373 }
1374 break;
1375 default:
1376 case ATM_UBR:
1377 qsb_queue_parameter_table.bit.wfqf = QSB_WFQ_UBR_BYPASS;
1378 }
1379
1380 /*
1381 * Sustained Cell Rate (SCR) Leaky Bucket Shaper VBR.0/VBR.1
1382 */
1383 if ( qos->txtp.traffic_class == ATM_VBR_RT || qos->txtp.traffic_class == ATM_VBR_NRT ) {
1384 if ( qos->txtp.scr == 0 ) {
1385 /* disable shaper */
1386 qsb_queue_vbr_parameter_table.bit.taus = 0;
1387 qsb_queue_vbr_parameter_table.bit.ts = 0;
1388 }
1389 else {
1390 /* Cell Loss Priority (CLP) */
1391 if ( (vcc->atm_options & ATM_ATMOPT_CLP) )
1392 /* CLP1 */
1393 qsb_queue_parameter_table.bit.vbr = 1;
1394 else
1395 /* CLP0 */
1396 qsb_queue_parameter_table.bit.vbr = 0;
1397 /* Rate Shaper Parameter (TS) and Burst Tolerance Parameter for SCR (tauS) */
1398 tmp = ((qsb_clk * qsb_tstep) >> 5) / qos->txtp.scr + 1;
1399 qsb_queue_vbr_parameter_table.bit.ts = tmp > QSB_TP_TS_MAX ? QSB_TP_TS_MAX : tmp;
1400 tmp = (qos->txtp.mbs - 1) * (qsb_queue_vbr_parameter_table.bit.ts - qsb_queue_parameter_table.bit.tp) / 64;
1401 if ( tmp == 0 )
1402 qsb_queue_vbr_parameter_table.bit.taus = 1;
1403 else if ( tmp > QSB_TAUS_MAX )
1404 qsb_queue_vbr_parameter_table.bit.taus = QSB_TAUS_MAX;
1405 else
1406 qsb_queue_vbr_parameter_table.bit.taus = tmp;
1407 }
1408 }
1409 else {
1410 qsb_queue_vbr_parameter_table.bit.taus = 0;
1411 qsb_queue_vbr_parameter_table.bit.ts = 0;
1412 }
1413
1414 /* Queue Parameter Table (QPT) */
1415 *QSB_RTM = QSB_RTM_DM_SET(QSB_QPT_SET_MASK);
1416 *QSB_RTD = QSB_RTD_TTV_SET(qsb_queue_parameter_table.dword);
1417 *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_QPT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(qsb_qid);
1418 #if defined(DEBUG_QOS) && DEBUG_QOS
1419 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) )
1420 printk("QPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC);
1421 #endif
1422 /* Queue VBR Paramter Table (QVPT) */
1423 *QSB_RTM = QSB_RTM_DM_SET(QSB_QVPT_SET_MASK);
1424 *QSB_RTD = QSB_RTD_TTV_SET(qsb_queue_vbr_parameter_table.dword);
1425 *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_VBR) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(qsb_qid);
1426 #if defined(DEBUG_QOS) && DEBUG_QOS
1427 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) )
1428 printk("QVPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC);
1429 #endif
1430
1431 #if defined(DEBUG_QOS) && DEBUG_QOS
1432 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) {
1433 printk("set_qsb\n");
1434 printk(" qsb_clk = %lu\n", (unsigned long)qsb_clk);
1435 printk(" qsb_queue_parameter_table.bit.tp = %d\n", (int)qsb_queue_parameter_table.bit.tp);
1436 printk(" qsb_queue_parameter_table.bit.wfqf = %d (0x%08X)\n", (int)qsb_queue_parameter_table.bit.wfqf, (int)qsb_queue_parameter_table.bit.wfqf);
1437 printk(" qsb_queue_parameter_table.bit.vbr = %d\n", (int)qsb_queue_parameter_table.bit.vbr);
1438 printk(" qsb_queue_parameter_table.dword = 0x%08X\n", (int)qsb_queue_parameter_table.dword);
1439 printk(" qsb_queue_vbr_parameter_table.bit.ts = %d\n", (int)qsb_queue_vbr_parameter_table.bit.ts);
1440 printk(" qsb_queue_vbr_parameter_table.bit.taus = %d\n", (int)qsb_queue_vbr_parameter_table.bit.taus);
1441 printk(" qsb_queue_vbr_parameter_table.dword = 0x%08X\n", (int)qsb_queue_vbr_parameter_table.dword);
1442 }
1443 #endif
1444 }
1445
1446 static void qsb_global_set(void)
1447 {
1448 struct clk *clk = clk_get(0, "fpi");
1449 unsigned int qsb_clk = clk_get_rate(clk);
1450 int i;
1451 unsigned int tmp1, tmp2, tmp3;
1452
1453 *QSB_ICDV = QSB_ICDV_TAU_SET(qsb_tau);
1454 *QSB_SBL = QSB_SBL_SBL_SET(qsb_srvm);
1455 *QSB_CFG = QSB_CFG_TSTEPC_SET(qsb_tstep >> 1);
1456 #if defined(DEBUG_QOS) && DEBUG_QOS
1457 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ) {
1458 printk("qsb_clk = %u\n", qsb_clk);
1459 printk("QSB_ICDV (%08X) = %d (%d), QSB_SBL (%08X) = %d (%d), QSB_CFG (%08X) = %d (%d)\n", (unsigned int)QSB_ICDV, *QSB_ICDV, QSB_ICDV_TAU_SET(qsb_tau), (unsigned int)QSB_SBL, *QSB_SBL, QSB_SBL_SBL_SET(qsb_srvm), (unsigned int)QSB_CFG, *QSB_CFG, QSB_CFG_TSTEPC_SET(qsb_tstep >> 1));
1460 }
1461 #endif
1462
1463 /*
1464 * set SCT and SPT per port
1465 */
1466 for ( i = 0; i < ATM_PORT_NUMBER; i++ ) {
1467 if ( g_atm_priv_data.port[i].tx_max_cell_rate != 0 ) {
1468 tmp1 = ((qsb_clk * qsb_tstep) >> 1) / g_atm_priv_data.port[i].tx_max_cell_rate;
1469 tmp2 = tmp1 >> 6; /* integer value of Tsb */
1470 tmp3 = (tmp1 & ((1 << 6) - 1)) + 1; /* fractional part of Tsb */
1471 /* carry over to integer part (?) */
1472 if ( tmp3 == (1 << 6) )
1473 {
1474 tmp3 = 0;
1475 tmp2++;
1476 }
1477 if ( tmp2 == 0 )
1478 tmp2 = tmp3 = 1;
1479 /* 1. set mask */
1480 /* 2. write value to data transfer register */
1481 /* 3. start the tranfer */
1482 /* SCT (FracRate) */
1483 *QSB_RTM = QSB_RTM_DM_SET(QSB_SET_SCT_MASK);
1484 *QSB_RTD = QSB_RTD_TTV_SET(tmp3);
1485 *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_SCT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(i & 0x01);
1486 #if defined(DEBUG_QOS) && DEBUG_QOS
1487 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) )
1488 printk("SCT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC);
1489 #endif
1490 /* SPT (SBV + PN + IntRage) */
1491 *QSB_RTM = QSB_RTM_DM_SET(QSB_SET_SPT_MASK);
1492 *QSB_RTD = QSB_RTD_TTV_SET(QSB_SPT_SBV_VALID | QSB_SPT_PN_SET(i & 0x01) | QSB_SPT_INTRATE_SET(tmp2));
1493 *QSB_RAMAC = QSB_RAMAC_RW_SET(QSB_RAMAC_RW_WRITE) | QSB_RAMAC_TSEL_SET(QSB_RAMAC_TSEL_SPT) | QSB_RAMAC_LH_SET(QSB_RAMAC_LH_LOW) | QSB_RAMAC_TESEL_SET(i & 0x01);
1494 #if defined(DEBUG_QOS) && DEBUG_QOS
1495 if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) )
1496 printk("SPT: QSB_RTM (%08X) = 0x%08X, QSB_RTD (%08X) = 0x%08X, QSB_RAMAC (%08X) = 0x%08X\n", (unsigned int)QSB_RTM, *QSB_RTM, (unsigned int)QSB_RTD, *QSB_RTD, (unsigned int)QSB_RAMAC, *QSB_RAMAC);
1497 #endif
1498 }
1499 }
1500 }
1501
1502 static INLINE void set_htu_entry(unsigned int vpi, unsigned int vci, unsigned int queue, int aal5, int is_retx)
1503 {
1504 struct htu_entry htu_entry = { res1: 0x00,
1505 clp: is_retx ? 0x01 : 0x00,
1506 pid: g_atm_priv_data.conn[queue].port & 0x01,
1507 vpi: vpi,
1508 vci: vci,
1509 pti: 0x00,
1510 vld: 0x01};
1511
1512 struct htu_mask htu_mask = { set: 0x01,
1513 #if !defined(ENABLE_ATM_RETX) || !ENABLE_ATM_RETX
1514 clp: 0x01,
1515 pid_mask: 0x02,
1516 #else
1517 clp: g_retx_htu ? 0x00 : 0x01,
1518 pid_mask: RETX_MODE_CFG->retx_en ? 0x03 : 0x02,
1519 #endif
1520 vpi_mask: 0x00,
1521 #if !defined(ENABLE_ATM_RETX) || !ENABLE_ATM_RETX
1522 vci_mask: 0x0000,
1523 #else
1524 vci_mask: RETX_MODE_CFG->retx_en ? 0xFF00 : 0x0000,
1525 #endif
1526 pti_mask: 0x03, // 0xx, user data
1527 clear: 0x00};
1528
1529 struct htu_result htu_result = {res1: 0x00,
1530 cellid: queue,
1531 res2: 0x00,
1532 type: aal5 ? 0x00 : 0x01,
1533 ven: 0x01,
1534 res3: 0x00,
1535 qid: queue};
1536
1537 *HTU_RESULT(queue + OAM_HTU_ENTRY_NUMBER) = htu_result;
1538 *HTU_MASK(queue + OAM_HTU_ENTRY_NUMBER) = htu_mask;
1539 *HTU_ENTRY(queue + OAM_HTU_ENTRY_NUMBER) = htu_entry;
1540 }
1541
1542 static INLINE void clear_htu_entry(unsigned int queue)
1543 {
1544 HTU_ENTRY(queue + OAM_HTU_ENTRY_NUMBER)->vld = 0;
1545 }
1546
1547 static void validate_oam_htu_entry(void)
1548 {
1549 HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY)->vld = 1;
1550 HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY)->vld = 1;
1551 HTU_ENTRY(OAM_F5_HTU_ENTRY)->vld = 1;
1552 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
1553 HTU_ENTRY(OAM_ARQ_HTU_ENTRY)->vld = 1;
1554 #endif
1555 }
1556
1557 static void invalidate_oam_htu_entry(void)
1558 {
1559 HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY)->vld = 0;
1560 HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY)->vld = 0;
1561 HTU_ENTRY(OAM_F5_HTU_ENTRY)->vld = 0;
1562 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
1563 HTU_ENTRY(OAM_ARQ_HTU_ENTRY)->vld = 0;
1564 #endif
1565 }
1566
1567 static INLINE int find_vpi(unsigned int vpi)
1568 {
1569 int i;
1570 unsigned int bit;
1571
1572 for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) {
1573 if ( (g_atm_priv_data.conn_table & bit) != 0
1574 && g_atm_priv_data.conn[i].vcc != NULL
1575 && vpi == g_atm_priv_data.conn[i].vcc->vpi )
1576 return i;
1577 }
1578
1579 return -1;
1580 }
1581
1582 static INLINE int find_vpivci(unsigned int vpi, unsigned int vci)
1583 {
1584 int i;
1585 unsigned int bit;
1586
1587 for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) {
1588 if ( (g_atm_priv_data.conn_table & bit) != 0
1589 && g_atm_priv_data.conn[i].vcc != NULL
1590 && vpi == g_atm_priv_data.conn[i].vcc->vpi
1591 && vci == g_atm_priv_data.conn[i].vcc->vci )
1592 return i;
1593 }
1594
1595 return -1;
1596 }
1597
1598 static INLINE int find_vcc(struct atm_vcc *vcc)
1599 {
1600 int i;
1601 unsigned int bit;
1602
1603 for ( i = 0, bit = 1; i < MAX_PVC_NUMBER; i++, bit <<= 1 ) {
1604 if ( (g_atm_priv_data.conn_table & bit) != 0
1605 && g_atm_priv_data.conn[i].vcc == vcc )
1606 return i;
1607 }
1608
1609 return -1;
1610 }
1611
1612 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
1613
1614 static void retx_polling_func(unsigned long arg)
1615 {
1616 int sys_flag;
1617 volatile struct dsl_param *p_dsl_param;
1618 int new_retx_htu;
1619 int retx_en;
1620 int i, max_htu;
1621
1622 local_irq_save(sys_flag);
1623 if ( g_retx_playout_buffer == 0 && g_xdata_addr != NULL && (((volatile struct dsl_param *)g_xdata_addr)->RetxEnable || ((volatile struct dsl_param *)g_xdata_addr)->ServiceSpecificReTx) ) {
1624 local_irq_restore(sys_flag);
1625 g_retx_playout_buffer = __get_free_pages(GFP_KERNEL, RETX_PLAYOUT_BUFFER_ORDER);
1626 if ( g_retx_playout_buffer == 0 )
1627 panic("no memory for g_retx_playout_buffer\n");
1628 memset((void *)g_retx_playout_buffer, 0, RETX_PLAYOUT_BUFFER_SIZE);
1629 dma_cache_inv(g_retx_playout_buffer, RETX_PLAYOUT_BUFFER_SIZE);
1630 }
1631 else
1632 local_irq_restore(sys_flag);
1633
1634
1635 local_irq_save(sys_flag);
1636 if ( g_xdata_addr != NULL ) {
1637 p_dsl_param = (volatile struct dsl_param *)g_xdata_addr;
1638 g_retx_polling_cnt += RETX_POLLING_INTERVAL;
1639
1640 if ( p_dsl_param->update_flag ) {
1641 do_gettimeofday(&g_retx_polling_start);
1642
1643 g_dsl_param = *p_dsl_param;
1644
1645 // we always enable retx (just for test purpose)
1646 //g_dsl_param.RetxEnable = 1;
1647 //RETX_TSYNC_CFG->fw_alpha = 0;
1648
1649 if ( g_dsl_param.RetxEnable || g_dsl_param.ServiceSpecificReTx ) {
1650 // ReTX enabled
1651 // MIB counter updated for each polling
1652 p_dsl_param->RxDtuCorruptedCNT = *RxDTUCorruptedCNT;
1653 p_dsl_param->RxRetxDtuUnCorrectedCNT = *RxRetxDTUUncorrectedCNT;
1654 p_dsl_param->RxLastEFB = *RxLastEFBCNT;
1655 p_dsl_param->RxDtuCorrectedCNT = *RxDTUCorrectedCNT;
1656
1657 // for RETX paramters, we check only once for every second
1658 if ( g_retx_polling_cnt < HZ )
1659 goto _clear_update_flag;
1660
1661 g_retx_polling_cnt -= HZ;
1662
1663 if ( g_dsl_param.ServiceSpecificReTx && g_dsl_param.ReTxPVC == 0 )
1664 new_retx_htu = 1;
1665 else
1666 new_retx_htu = 0;
1667
1668 // default fw_alpha equals to default hardware alpha
1669 RETX_TSYNC_CFG->fw_alpha = 0;
1670
1671 RETX_TD_CFG->td_max = g_dsl_param.MaxDelayrt;
1672 RETX_TD_CFG->td_min = g_dsl_param.MinDelayrt;
1673
1674 *RETX_PLAYOUT_BUFFER_BASE = ((((unsigned int)g_retx_playout_buffer | KSEG1) + 15) & 0xFFFFFFF0) >> 2;
1675
1676 if ( g_dsl_param.ServiceSpecificReTx ) {
1677 *RETX_SERVICE_HEADER_CFG= g_dsl_param.ReTxPVC << 4;
1678 if ( g_dsl_param.ReTxPVC == 0 )
1679 *RETX_MASK_HEADER_CFG = 1;
1680 else
1681 *RETX_MASK_HEADER_CFG = 0;
1682 }
1683 else {
1684 *RETX_SERVICE_HEADER_CFG= 0;
1685 *RETX_MASK_HEADER_CFG = 0;
1686 }
1687
1688 retx_en = 1;
1689 }
1690 else {
1691 // ReTX disabled
1692
1693 new_retx_htu = 0;
1694
1695 RETX_TSYNC_CFG->fw_alpha = 7;
1696
1697 *RETX_SERVICE_HEADER_CFG = 0;
1698 *RETX_MASK_HEADER_CFG = 0;
1699
1700 retx_en = 0;
1701 }
1702
1703
1704 if ( retx_en != RETX_MODE_CFG->retx_en ) {
1705 unsigned int pid_mask, vci_mask;
1706
1707 if ( retx_en ) {
1708 pid_mask = 0x03;
1709 vci_mask = 0xFF00;
1710 }
1711 else {
1712 pid_mask = 0x02;
1713 vci_mask = 0x0000;
1714 }
1715
1716 max_htu = *CFG_WRX_HTUTS;
1717 for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ )
1718 if ( HTU_ENTRY(i)->vld ) {
1719 HTU_MASK(i)->pid_mask = pid_mask;
1720 HTU_MASK(i)->vci_mask = vci_mask;
1721 }
1722 }
1723
1724 if ( new_retx_htu != g_retx_htu ) {
1725 int conn, retx_conn;
1726
1727 g_retx_htu = new_retx_htu;
1728
1729 if ( g_retx_htu ) {
1730 max_htu = *CFG_WRX_HTUTS;
1731 for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ )
1732 if ( HTU_ENTRY(i)->vld )
1733 HTU_MASK(i)->clp = 0;
1734
1735 for ( conn = 0; conn < MAX_PVC_NUMBER; conn++ )
1736 if ( g_atm_priv_data.conn[conn].vcc && g_atm_priv_data.conn[conn].vcc->qos.aal == ATM_AAL5 && !HTU_ENTRY(conn + OAM_HTU_ENTRY_NUMBER)->clp ) {
1737 retx_conn = (conn + 8) % 16; // ReTX queue
1738
1739 if ( retx_conn < MAX_PVC_NUMBER && test_and_set_bit(retx_conn, &g_atm_priv_data.conn_table) == 0 ) {
1740 g_atm_priv_data.conn[retx_conn].vcc = g_atm_priv_data.conn[conn].vcc;
1741 set_htu_entry(g_atm_priv_data.conn[conn].vcc->vpi, g_atm_priv_data.conn[conn].vcc->vci, retx_conn, g_atm_priv_data.conn[conn].vcc->qos.aal == ATM_AAL5 ? 1 : 0, 1);
1742 }
1743 else {
1744 err("Queue number %d for ReTX queue of PVC(%d.%d) is not available!", retx_conn, g_atm_priv_data.conn[conn].vcc->vpi, g_atm_priv_data.conn[conn].vcc->vci);
1745 }
1746 }
1747 }
1748 else
1749 {
1750 for ( retx_conn = 0; retx_conn < MAX_PVC_NUMBER; retx_conn++ )
1751 if ( g_atm_priv_data.conn[retx_conn].vcc && HTU_ENTRY(retx_conn + OAM_HTU_ENTRY_NUMBER)->clp ) {
1752 clear_htu_entry(retx_conn);
1753 g_atm_priv_data.conn[retx_conn].vcc = NULL;
1754 g_atm_priv_data.conn[retx_conn].aal5_vcc_crc_err = 0;
1755 g_atm_priv_data.conn[retx_conn].aal5_vcc_oversize_sdu = 0;
1756 clear_bit(retx_conn, &g_atm_priv_data.conn_table);
1757 }
1758
1759 max_htu = *CFG_WRX_HTUTS;
1760 for ( i = OAM_HTU_ENTRY_NUMBER; i < max_htu; i++ )
1761 if ( HTU_ENTRY(i)->vld )
1762 HTU_MASK(i)->clp = 1;
1763 }
1764 }
1765
1766 RETX_MODE_CFG->retx_en = retx_en;
1767
1768 _clear_update_flag:
1769 p_dsl_param->update_flag = 0;
1770
1771 do_gettimeofday(&g_retx_polling_end);
1772 }
1773
1774 g_retx_polling_timer.expires = jiffies + RETX_POLLING_INTERVAL;
1775 add_timer(&g_retx_polling_timer);
1776 }
1777 local_irq_restore(sys_flag);
1778 }
1779
1780 static int init_atm_tc_retrans_param(void)
1781 {
1782 int i = 0;
1783 struct DTU_stat_info reset_val;
1784
1785 RETX_MODE_CFG->invld_range = 128;
1786 RETX_MODE_CFG->buff_size = RETX_PLAYOUT_FW_BUFF_SIZE > 4096/32 ? 4096/32 : RETX_PLAYOUT_FW_BUFF_SIZE ;
1787 RETX_MODE_CFG->retx_en = 1;
1788
1789 // default fw_alpha equals to default hardware alpha
1790 RETX_TSYNC_CFG->fw_alpha = 7;
1791 RETX_TSYNC_CFG->sync_inp = 0;
1792
1793 RETX_TD_CFG->td_max = 0;
1794 RETX_TD_CFG->td_min = 0;
1795
1796 // *RETX_PLAYOUT_BUFFER_BASE = KSEG1ADDR(g_retx_playout_buffer); // need " >> 2 " ?
1797 *RETX_PLAYOUT_BUFFER_BASE = ((((unsigned int)g_retx_playout_buffer | KSEG1) + 15) & 0xFFFFFFF0) >> 2;
1798
1799 *RETX_SERVICE_HEADER_CFG = 0;
1800 *RETX_MASK_HEADER_CFG = 0;
1801
1802 // 20us
1803 RETX_MIB_TIMER_CFG->tick_cycle = 4800;
1804 RETX_MIB_TIMER_CFG->ticks_per_sec = 50000;
1805
1806 *LAST_DTU_SID_IN = 255;
1807 *RFBI_FIRST_CW = 1;
1808 // init DTU_STAT_INFO
1809
1810 memset(&reset_val, 0, sizeof(reset_val));
1811 reset_val.dtu_rd_ptr = reset_val.dtu_wr_ptr = 0xffff;
1812
1813 for(i = 0 ; i < 256; i ++) {
1814 DTU_STAT_INFO[i] = reset_val;
1815 }
1816 return 0;
1817 }
1818
1819 static void clear_atm_tc_retrans_param(void)
1820 {
1821 if ( g_retx_playout_buffer ) {
1822 free_pages(g_retx_playout_buffer, RETX_PLAYOUT_BUFFER_ORDER);
1823 g_retx_playout_buffer = 0;
1824 }
1825 }
1826
1827 #endif
1828
1829 #if defined(DEBUG_DUMP_SKB) && DEBUG_DUMP_SKB
1830 static void dump_skb(struct sk_buff *skb, unsigned int len, char *title, int port, int ch, int is_tx)
1831 {
1832 int i;
1833
1834 if ( !(ifx_atm_dbg_enable & (is_tx ? DBG_ENABLE_MASK_DUMP_SKB_TX : DBG_ENABLE_MASK_DUMP_SKB_RX)) )
1835 return;
1836
1837 if ( skb->len < len )
1838 len = skb->len;
1839
1840 if ( len > RX_DMA_CH_AAL_BUF_SIZE ) {
1841 printk("too big data length: skb = %08x, skb->data = %08x, skb->len = %d\n", (unsigned int)skb, (unsigned int)skb->data, skb->len);
1842 return;
1843 }
1844
1845 if ( ch >= 0 )
1846 printk("%s (port %d, ch %d)\n", title, port, ch);
1847 else
1848 printk("%s\n", title);
1849 printk(" skb->data = %08X, skb->tail = %08X, skb->len = %d\n", (unsigned int)skb->data, (unsigned int)skb->tail, (int)skb->len);
1850 for ( i = 1; i <= len; i++ ) {
1851 if ( i % 16 == 1 )
1852 printk(" %4d:", i - 1);
1853 printk(" %02X", (int)(*((char*)skb->data + i - 1) & 0xFF));
1854 if ( i % 16 == 0 )
1855 printk("\n");
1856 }
1857 if ( (i - 1) % 16 != 0 )
1858 printk("\n");
1859 }
1860 #endif
1861
1862 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
1863 static void skb_swap(struct sk_buff *skb, unsigned int byteoff)
1864 {
1865 unsigned int mac_offset = ~0;
1866 unsigned int ip_offset = ~0;
1867 unsigned char tmp[8];
1868 unsigned char *p = NULL;
1869
1870 skb_pull(skb, byteoff + TX_INBAND_HEADER_LENGTH);
1871
1872 if ( skb->data[0] == 0xAA && skb->data[1] == 0xAA && skb->data[2] == 0x03 ) {
1873 // LLC
1874 if ( skb->data[3] == 0x00 && skb->data[4] == 0x80 && skb->data[5] == 0xC2 ) {
1875 // EoA
1876 if ( skb->data[22] == 0x08 && skb->data[23] == 0x00 ) {
1877 // IPv4
1878 mac_offset = 10;
1879 ip_offset = 24;
1880 }
1881 else if ( skb->data[31] == 0x21 ) {
1882 // PPPoE IPv4
1883 mac_offset = 10;
1884 ip_offset = 32;
1885 }
1886 }
1887 else {
1888 // IPoA
1889 if ( skb->data[6] == 0x08 && skb->data[7] == 0x00 ) {
1890 // IPv4
1891 ip_offset = 8;
1892 }
1893 }
1894 }
1895 else if ( skb->data[0] == 0xFE && skb->data[1] == 0xFE && skb->data[2] == 0x03 ) {
1896 // LLC PPPoA
1897 if ( skb->data[4] == 0x00 && skb->data[5] == 0x21 ) {
1898 // IPv4
1899 ip_offset = 6;
1900 }
1901 }
1902 else {
1903 // VC-mux
1904 if ( skb->data[0] == 0x00 && skb->data[1] == 0x21 ) {
1905 // PPPoA IPv4
1906 ip_offset = 2;
1907 }
1908 else if ( skb->data[0] == 0x00 && skb->data[1] == 0x00 ) {
1909 // EoA
1910 if ( skb->data[14] == 0x08 && skb->data[15] ==0x00 ) {
1911 // IPv4
1912 mac_offset = 2;
1913 ip_offset = 16;
1914 }
1915 else if ( skb->data[23] == 0x21 ) {
1916 // PPPoE IPv4
1917 mac_offset = 2;
1918 ip_offset = 26;
1919 }
1920 }
1921 else {
1922 // IPoA
1923 ip_offset = 0;
1924 }
1925 }
1926
1927 if ( mac_offset != ~0 && !(skb->data[mac_offset] & 0x01) ) {
1928 p = skb->data + mac_offset;
1929 // swap MAC
1930 memcpy(tmp, p, 6);
1931 memcpy(p, p + 6, 6);
1932 memcpy(p + 6, tmp, 6);
1933 p += 12;
1934 }
1935
1936 if ( ip_offset != ~0 ) {
1937 p = skb->data + ip_offset + 12;
1938 // swap IP
1939 memcpy(tmp, p, 4);
1940 memcpy(p, p + 4, 4);
1941 memcpy(p + 4, tmp, 4);
1942 p += 8;
1943 }
1944
1945 if ( p != NULL ) {
1946 dma_cache_wback((unsigned long)skb->data, (unsigned long)p - (unsigned long)skb->data);
1947 }
1948
1949 skb_push(skb, byteoff + TX_INBAND_HEADER_LENGTH);
1950 }
1951 #endif
1952
1953 static INLINE void proc_file_create(void)
1954 {
1955 struct proc_dir_entry *res;
1956
1957 g_atm_dir = proc_mkdir("driver/ifx_atm", NULL);
1958
1959 create_proc_read_entry("version",
1960 0,
1961 g_atm_dir,
1962 proc_read_version,
1963 NULL);
1964
1965 res = create_proc_entry("mib",
1966 0,
1967 g_atm_dir);
1968 if ( res != NULL ) {
1969 res->read_proc = proc_read_mib;
1970 res->write_proc = proc_write_mib;
1971 }
1972
1973 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
1974 res = create_proc_entry("retx_mib",
1975 0,
1976 g_atm_dir);
1977 if ( res != NULL ) {
1978 res->read_proc = proc_read_retx_mib;
1979 res->write_proc = proc_write_retx_mib;
1980 }
1981 #endif
1982
1983 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
1984 res = create_proc_entry("dbg",
1985 0,
1986 g_atm_dir);
1987 if ( res != NULL ) {
1988 res->read_proc = proc_read_dbg;
1989 res->write_proc = proc_write_dbg;
1990 }
1991
1992 res = create_proc_entry("mem",
1993 0,
1994 g_atm_dir);
1995 if ( res != NULL )
1996 res->write_proc = proc_write_mem;
1997
1998 #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE)
1999 res = create_proc_entry("pp32",
2000 0,
2001 g_atm_dir);
2002 if ( res != NULL ) {
2003 res->read_proc = proc_read_pp32;
2004 res->write_proc = proc_write_pp32;
2005 }
2006 #endif
2007 #endif
2008
2009 #if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC
2010 create_proc_read_entry("htu",
2011 0,
2012 g_atm_dir,
2013 proc_read_htu,
2014 NULL);
2015
2016 create_proc_read_entry("txq",
2017 0,
2018 g_atm_dir,
2019 proc_read_txq,
2020 NULL);
2021
2022 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
2023 create_proc_read_entry("retx_fw",
2024 0,
2025 g_atm_dir,
2026 proc_read_retx_fw,
2027 NULL);
2028
2029 res = create_proc_entry("retx_stats",
2030 0,
2031 g_atm_dir);
2032 if ( res != NULL ) {
2033 res->read_proc = proc_read_retx_stats;
2034 res->write_proc = proc_write_retx_stats;
2035 }
2036
2037 res = create_proc_entry("retx_cfg",
2038 0,
2039 g_atm_dir);
2040 if ( res != NULL ) {
2041 res->read_proc = proc_read_retx_cfg;
2042 res->write_proc = proc_write_retx_cfg;
2043 }
2044
2045 create_proc_read_entry("retx_dsl_param",
2046 0,
2047 g_atm_dir,
2048 proc_read_retx_dsl_param,
2049 NULL);
2050 #endif
2051 #endif
2052 }
2053
2054 static INLINE void proc_file_delete(void)
2055 {
2056 #if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC
2057 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
2058 remove_proc_entry("retx_dsl_param", g_atm_dir);
2059
2060 remove_proc_entry("retx_cfg", g_atm_dir);
2061
2062 remove_proc_entry("retx_stats", g_atm_dir);
2063
2064 remove_proc_entry("retx_fw", g_atm_dir);
2065 #endif
2066
2067 remove_proc_entry("txq", g_atm_dir);
2068
2069 remove_proc_entry("htu", g_atm_dir);
2070 #endif
2071
2072 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
2073 #if defined(CONFIG_AR9) || defined(CONFIG_VR9) || defined(CONFIG_DANUBE) || defined(CONFIG_AMAZON_SE)
2074 remove_proc_entry("pp32", g_atm_dir);
2075 #endif
2076
2077 remove_proc_entry("mem", g_atm_dir);
2078
2079 remove_proc_entry("dbg", g_atm_dir);
2080 #endif
2081
2082 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
2083 remove_proc_entry("retx_mib", g_atm_dir);
2084 #endif
2085
2086 remove_proc_entry("mib", g_atm_dir);
2087
2088 remove_proc_entry("version", g_atm_dir);
2089
2090 remove_proc_entry("driver/ifx_atm", NULL);
2091 }
2092
2093 static int proc_read_version(char *buf, char **start, off_t offset, int count, int *eof, void *data)
2094 {
2095 int len = 0;
2096
2097 len += ifx_atm_version(buf + len);
2098
2099 if ( offset >= len ) {
2100 *start = buf;
2101 *eof = 1;
2102 return 0;
2103 }
2104 *start = buf + offset;
2105 if ( (len -= offset) > count )
2106 return count;
2107 *eof = 1;
2108 return len;
2109 }
2110
2111 static int proc_read_mib(char *page, char **start, off_t off, int count, int *eof, void *data)
2112 {
2113 int len = 0;
2114
2115 len += sprintf(page + off + len, "Firmware\n");
2116 len += sprintf(page + off + len, " wrx_drophtu_cell = %u\n", WAN_MIB_TABLE->wrx_drophtu_cell);
2117 len += sprintf(page + off + len, " wrx_dropdes_pdu = %u\n", WAN_MIB_TABLE->wrx_dropdes_pdu);
2118 len += sprintf(page + off + len, " wrx_correct_pdu = %u\n", WAN_MIB_TABLE->wrx_correct_pdu);
2119 len += sprintf(page + off + len, " wrx_err_pdu = %u\n", WAN_MIB_TABLE->wrx_err_pdu);
2120 len += sprintf(page + off + len, " wrx_dropdes_cell = %u\n", WAN_MIB_TABLE->wrx_dropdes_cell);
2121 len += sprintf(page + off + len, " wrx_correct_cell = %u\n", WAN_MIB_TABLE->wrx_correct_cell);
2122 len += sprintf(page + off + len, " wrx_err_cell = %u\n", WAN_MIB_TABLE->wrx_err_cell);
2123 len += sprintf(page + off + len, " wrx_total_byte = %u\n", WAN_MIB_TABLE->wrx_total_byte);
2124 len += sprintf(page + off + len, " wtx_total_pdu = %u\n", WAN_MIB_TABLE->wtx_total_pdu);
2125 len += sprintf(page + off + len, " wtx_total_cell = %u\n", WAN_MIB_TABLE->wtx_total_cell);
2126 len += sprintf(page + off + len, " wtx_total_byte = %u\n", WAN_MIB_TABLE->wtx_total_byte);
2127 len += sprintf(page + off + len, "Driver\n");
2128 len += sprintf(page + off + len, " wrx_pdu = %u\n", g_atm_priv_data.wrx_pdu);
2129 len += sprintf(page + off + len, " wrx_drop_pdu = %u\n", g_atm_priv_data.wrx_drop_pdu);
2130 len += sprintf(page + off + len, " wtx_pdu = %u\n", g_atm_priv_data.wtx_pdu);
2131 len += sprintf(page + off + len, " wtx_err_pdu = %u\n", g_atm_priv_data.wtx_err_pdu);
2132 len += sprintf(page + off + len, " wtx_drop_pdu = %u\n", g_atm_priv_data.wtx_drop_pdu);
2133
2134 *eof = 1;
2135
2136 return len;
2137 }
2138
2139 static int proc_write_mib(struct file *file, const char *buf, unsigned long count, void *data)
2140 {
2141 char str[1024];
2142 char *p;
2143 int len, rlen;
2144
2145 len = count < sizeof(str) ? count : sizeof(str) - 1;
2146 rlen = len - copy_from_user(str, buf, len);
2147 while ( rlen && str[rlen - 1] <= ' ' )
2148 rlen--;
2149 str[rlen] = 0;
2150 for ( p = str; *p && *p <= ' '; p++, rlen-- );
2151 if ( !*p )
2152 return 0;
2153
2154 if ( stricmp(p, "clear") == 0 || stricmp(p, "clear all") == 0
2155 || stricmp(p, "clean") == 0 || stricmp(p, "clean all") == 0 ) {
2156 memset(WAN_MIB_TABLE, 0, sizeof(*WAN_MIB_TABLE));
2157 g_atm_priv_data.wrx_pdu = 0;
2158 g_atm_priv_data.wrx_drop_pdu = 0;
2159 g_atm_priv_data.wtx_pdu = 0;
2160 g_atm_priv_data.wtx_err_pdu = 0;
2161 g_atm_priv_data.wtx_drop_pdu = 0;
2162 }
2163
2164 return count;
2165 }
2166
2167 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
2168
2169 static int proc_read_retx_mib(char *page, char **start, off_t off, int count, int *eof, void *data)
2170 {
2171 int len = 0;
2172
2173 printk("Retx FW DTU MIB :\n");
2174 printk(" rx_total_dtu = %u\n", *URETX_RX_TOTAL_DTU);
2175 printk(" rx_bad_dtu = %u\n", *URETX_RX_BAD_DTU);
2176 printk(" rx_good_dtu = %u\n", *URETX_RX_GOOD_DTU);
2177 printk(" rx_corrected_dtu = %u\n", *URETX_RX_CORRECTED_DTU);
2178 printk(" rx_outofdate_dtu = %u\n", *URETX_RX_OUTOFDATE_DTU);
2179 printk(" rx_duplicate_dtu = %u\n", *URETX_RX_DUPLICATE_DTU);
2180 printk(" rx_timeout_dtu = %u\n", *URETX_RX_TIMEOUT_DTU);
2181 printk(" RxDTURetransmittedCNT = %u\n", *RxDTURetransmittedCNT);
2182 printk("\n");
2183
2184 printk("Retx Standard DTU MIB:\n");
2185 printk(" RxLastEFB = %u\n", *RxLastEFBCNT);
2186 printk(" RxDTUCorrectedCNT = %u\n", *RxDTUCorrectedCNT);
2187 printk(" RxDTUCorruptedCNT = %u\n", *RxDTUCorruptedCNT);
2188 printk(" RxRetxDTUUncorrectedCNT = %u\n", *RxRetxDTUUncorrectedCNT);
2189 printk("\n");
2190
2191 printk("Retx FW Cell MIB :\n");
2192 printk(" bc0_total_cell = %u\n", *WRX_BC0_CELL_NUM);
2193 printk(" bc0_drop_cell = %u\n", *WRX_BC0_DROP_CELL_NUM);
2194 printk(" bc0_nonretx_cell = %u\n", *WRX_BC0_NONRETX_CELL_NUM);
2195 printk(" bc0_retx_cell = %u\n", *WRX_BC0_RETX_CELL_NUM);
2196 printk(" bc0_outofdate_cell = %u\n", *WRX_BC0_OUTOFDATE_CELL_NUM);
2197 printk(" bc0_directup_cell = %u\n", *WRX_BC0_DIRECTUP_NUM);
2198 printk(" bc0_to_pb_total_cell = %u\n", *WRX_BC0_PBW_TOTAL_NUM);
2199 printk(" bc0_to_pb_succ_cell = %u\n", *WRX_BC0_PBW_SUCC_NUM);
2200 printk(" bc0_to_pb_fail_cell = %u\n", *WRX_BC0_PBW_FAIL_NUM);
2201 printk(" bc1_total_cell = %u\n", *WRX_BC1_CELL_NUM);
2202
2203 printk("\n");
2204
2205 printk("ATM Rx AAL5/OAM MIB:\n");
2206 printk(" wrx_drophtu_cell = %u\n", WAN_MIB_TABLE->wrx_drophtu_cell);
2207 printk(" wrx_dropdes_pdu = %u\n", WAN_MIB_TABLE->wrx_dropdes_pdu);
2208
2209 printk(" wrx_correct_pdu = %-10u ", WAN_MIB_TABLE->wrx_correct_pdu);
2210 if ( WAN_MIB_TABLE->wrx_correct_pdu == 0 )
2211 printk("\n");
2212 else {
2213 int i = 0;
2214
2215 printk("[ ");
2216 for ( i = 0; i < 16; ++i ) {
2217 if ( WRX_PER_PVC_CORRECT_PDU_BASE[i] )
2218 printk("q%-2d = %-10u , ", i, WRX_PER_PVC_CORRECT_PDU_BASE[i]);
2219 }
2220 printk("]\n");
2221 }
2222
2223 printk(" wrx_err_pdu = %-10u ", WAN_MIB_TABLE->wrx_err_pdu);
2224 if ( WAN_MIB_TABLE->wrx_err_pdu == 0 )
2225 printk("\n");
2226 else {
2227 int i = 0;
2228
2229 printk("[ ");
2230 for ( i = 0; i < 16; ++i ) {
2231 if ( WRX_PER_PVC_ERROR_PDU_BASE[i] )
2232 printk("q%-2d = %-10u , ", i, WRX_PER_PVC_ERROR_PDU_BASE[i] );
2233 }
2234 printk("]\n");
2235 }
2236
2237 printk(" wrx_dropdes_cell = %u\n", WAN_MIB_TABLE->wrx_dropdes_cell);
2238 printk(" wrx_correct_cell = %u\n", WAN_MIB_TABLE->wrx_correct_cell);
2239 printk(" wrx_err_cell = %u\n", WAN_MIB_TABLE->wrx_err_cell);
2240 printk(" wrx_total_byte = %u\n", WAN_MIB_TABLE->wrx_total_byte);
2241 printk("\n");
2242
2243 printk("ATM Tx MIB:\n");
2244 printk(" wtx_total_pdu = %u\n", WAN_MIB_TABLE->wtx_total_pdu);
2245 printk(" wtx_total_cell = %u\n", WAN_MIB_TABLE->wtx_total_cell);
2246 printk(" wtx_total_byte = %u\n", WAN_MIB_TABLE->wtx_total_byte);
2247 printk("\n");
2248
2249 printk("Debugging Info:\n");
2250 printk(" Firmware version = %d.%d.%d.%d.%d.%d\n",
2251 (int)FW_VER_ID->family, (int)FW_VER_ID->fwtype, (int)FW_VER_ID->interface,
2252 (int)FW_VER_ID->fwmode, (int)FW_VER_ID->major, (int)FW_VER_ID->minor);
2253
2254 printk(" retx_alpha_switch_to_hunt_times = %u\n", *URETX_ALPHA_SWITCH_TO_HUNT_TIMES);
2255
2256 printk("\n");
2257
2258 *eof = 1;
2259
2260 return len;
2261 }
2262
2263 static int proc_write_retx_mib(struct file *file, const char *buf, unsigned long count, void *data)
2264 {
2265 char str[2048];
2266 char *p;
2267 int len, rlen;
2268 int i;
2269
2270 len = count < sizeof(str) ? count : sizeof(str) - 1;
2271 rlen = len - copy_from_user(str, buf, len);
2272 while ( rlen && str[rlen - 1] <= ' ' )
2273 rlen--;
2274 str[rlen] = 0;
2275 for ( p = str; *p && *p <= ' '; p++, rlen-- );
2276 if ( !*p )
2277 return 0;
2278
2279 if ( stricmp(p, "clean") == 0 || stricmp(p, "clear") == 0 || stricmp(p, "clear_all") == 0) {
2280 *URETX_RX_TOTAL_DTU = 0;
2281 *URETX_RX_BAD_DTU = 0;
2282 *URETX_RX_GOOD_DTU = 0;
2283 *URETX_RX_CORRECTED_DTU = 0;
2284 *URETX_RX_OUTOFDATE_DTU = 0;
2285 *URETX_RX_DUPLICATE_DTU = 0;
2286 *URETX_RX_TIMEOUT_DTU = 0;
2287 *RxDTURetransmittedCNT = 0;
2288
2289 *WRX_BC0_CELL_NUM = 0;
2290 *WRX_BC0_DROP_CELL_NUM = 0;
2291 *WRX_BC0_NONRETX_CELL_NUM = 0;
2292 *WRX_BC0_RETX_CELL_NUM = 0;
2293 *WRX_BC0_OUTOFDATE_CELL_NUM = 0;
2294 *WRX_BC0_DIRECTUP_NUM = 0;
2295 *WRX_BC0_PBW_TOTAL_NUM = 0;
2296 *WRX_BC0_PBW_SUCC_NUM = 0;
2297 *WRX_BC0_PBW_FAIL_NUM = 0;
2298 *WRX_BC1_CELL_NUM = 0;
2299
2300 for ( i = 0; i < 16; ++i ) {
2301 WRX_PER_PVC_CORRECT_PDU_BASE[i] = 0;
2302 WRX_PER_PVC_ERROR_PDU_BASE[i] = 0;
2303 }
2304
2305 WAN_MIB_TABLE->wrx_drophtu_cell = 0;
2306 WAN_MIB_TABLE->wrx_dropdes_pdu = 0;
2307 WAN_MIB_TABLE->wrx_correct_pdu = 0;
2308 WAN_MIB_TABLE->wrx_err_pdu = 0;
2309 WAN_MIB_TABLE->wrx_dropdes_cell = 0;
2310 WAN_MIB_TABLE->wrx_correct_cell = 0;
2311 WAN_MIB_TABLE->wrx_err_cell = 0;
2312 WAN_MIB_TABLE->wrx_total_byte = 0;
2313
2314 WAN_MIB_TABLE->wtx_total_pdu = 0;
2315 WAN_MIB_TABLE->wtx_total_cell = 0;
2316 WAN_MIB_TABLE->wtx_total_byte = 0;
2317
2318 *URETX_ALPHA_SWITCH_TO_HUNT_TIMES = 0;
2319
2320 if (stricmp(p, "clear_all") == 0) {
2321 *RxLastEFBCNT = 0;
2322 *RxDTUCorrectedCNT = 0;
2323 *RxDTUCorruptedCNT = 0;
2324 *RxRetxDTUUncorrectedCNT = 0;
2325 }
2326 }
2327
2328 return count;
2329 }
2330
2331 #endif
2332
2333 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
2334
2335 static int proc_read_dbg(char *page, char **start, off_t off, int count, int *eof, void *data)
2336 {
2337 int len = 0;
2338
2339 len += sprintf(page + off + len, "error print - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ERR) ? "enabled" : "disabled");
2340 len += sprintf(page + off + len, "debug print - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DEBUG_PRINT) ? "enabled" : "disabled");
2341 len += sprintf(page + off + len, "assert - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ASSERT) ? "enabled" : "disabled");
2342 len += sprintf(page + off + len, "dump rx skb - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_SKB_RX) ? "enabled" : "disabled");
2343 len += sprintf(page + off + len, "dump tx skb - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_SKB_TX) ? "enabled" : "disabled");
2344 len += sprintf(page + off + len, "qos - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_QOS) ? "enabled" : "disabled");
2345 len += sprintf(page + off + len, "dump init - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DUMP_INIT) ? "enabled" : "disabled");
2346 len += sprintf(page + off + len, "mac swap - %s\n", (ifx_atm_dbg_enable & DBG_ENABLE_MASK_MAC_SWAP) ? "enabled" : "disabled");
2347
2348 *eof = 1;
2349
2350 return len;
2351 }
2352
2353 static int proc_write_dbg(struct file *file, const char *buf, unsigned long count, void *data)
2354 {
2355 static const char *dbg_enable_mask_str[] = {
2356 " error print",
2357 " err",
2358 " debug print",
2359 " dbg",
2360 " assert",
2361 " assert",
2362 " dump rx skb",
2363 " rx",
2364 " dump tx skb",
2365 " tx",
2366 " dump qos",
2367 " qos",
2368 " dump init",
2369 " init",
2370 " mac swap",
2371 " swap",
2372 " all"
2373 };
2374 static const int dbg_enable_mask_str_len[] = {
2375 12, 4,
2376 12, 4,
2377 7, 7,
2378 12, 3,
2379 12, 3,
2380 9, 4,
2381 10, 5,
2382 9, 5,
2383 4
2384 };
2385 unsigned int dbg_enable_mask[] = {
2386 DBG_ENABLE_MASK_ERR,
2387 DBG_ENABLE_MASK_DEBUG_PRINT,
2388 DBG_ENABLE_MASK_ASSERT,
2389 DBG_ENABLE_MASK_DUMP_SKB_RX,
2390 DBG_ENABLE_MASK_DUMP_SKB_TX,
2391 DBG_ENABLE_MASK_DUMP_QOS,
2392 DBG_ENABLE_MASK_DUMP_INIT,
2393 DBG_ENABLE_MASK_MAC_SWAP,
2394 DBG_ENABLE_MASK_ALL
2395 };
2396
2397 char *str;
2398 int str_buff_len = 1024;
2399 char *p;
2400
2401 int len, rlen;
2402
2403 int f_enable = 0;
2404 int i;
2405
2406 str = vmalloc(str_buff_len);
2407 if(!str){
2408 return 0;
2409 }
2410
2411 len = count < str_buff_len ? count : str_buff_len - 1;
2412 rlen = len - copy_from_user(str, buf, len);
2413 while ( rlen && str[rlen - 1] <= ' ' )
2414 rlen--;
2415 str[rlen] = 0;
2416 for ( p = str; *p && *p <= ' '; p++, rlen-- );
2417 if ( !*p ){
2418 vfree(str);
2419 return 0;
2420 }
2421
2422 if ( strincmp(p, "enable", 6) == 0 ) {
2423 p += 6;
2424 f_enable = 1;
2425 }
2426 else if ( strincmp(p, "disable", 7) == 0 ) {
2427 p += 7;
2428 f_enable = -1;
2429 }
2430 else if ( strincmp(p, "help", 4) == 0 || *p == '?' ) {
2431 printk("echo <enable/disable> [err/dbg/assert/rx/tx/init/all] > /proc/eth/dbg\n");
2432 }
2433
2434 if ( f_enable ) {
2435 if ( *p == 0 ) {
2436 if ( f_enable > 0 )
2437 ifx_atm_dbg_enable |= DBG_ENABLE_MASK_ALL & ~DBG_ENABLE_MASK_MAC_SWAP;
2438 else
2439 ifx_atm_dbg_enable &= ~DBG_ENABLE_MASK_ALL | DBG_ENABLE_MASK_MAC_SWAP;
2440 }
2441 else {
2442 do {
2443 for ( i = 0; i < NUM_ENTITY(dbg_enable_mask_str); i++ )
2444 if ( strincmp(p, dbg_enable_mask_str[i], dbg_enable_mask_str_len[i]) == 0 ) {
2445 if ( f_enable > 0 )
2446 ifx_atm_dbg_enable |= dbg_enable_mask[i >> 1];
2447 else
2448 ifx_atm_dbg_enable &= ~dbg_enable_mask[i >> 1];
2449 p += dbg_enable_mask_str_len[i];
2450 break;
2451 }
2452 } while ( i < NUM_ENTITY(dbg_enable_mask_str) );
2453 }
2454 }
2455
2456 vfree(str);
2457 return count;
2458 }
2459
2460 static inline unsigned long sb_addr_to_fpi_addr_convert(unsigned long sb_addr)
2461 {
2462 #define PP32_SB_ADDR_END 0xFFFF
2463
2464 if ( sb_addr < PP32_SB_ADDR_END )
2465 return (unsigned long)SB_BUFFER(sb_addr);
2466 else
2467 return sb_addr;
2468 }
2469
2470 static int proc_write_mem(struct file *file, const char *buf, unsigned long count, void *data)
2471 {
2472 char *p1, *p2;
2473 int len;
2474 int colon;
2475 unsigned long *p;
2476 int i, n, l;
2477 int local_buf_size = 1024;
2478 char *local_buf = NULL;
2479
2480 local_buf = vmalloc(local_buf_size);
2481 if ( !local_buf ){
2482 return 0;
2483 }
2484
2485 len = local_buf_size < count ? local_buf_size - 1 : count;
2486 len = len - copy_from_user(local_buf, buf, len);
2487 local_buf[len] = 0;
2488
2489 p1 = local_buf;
2490 colon = 1;
2491 while ( get_token(&p1, &p2, &len, &colon) ) {
2492 if ( stricmp(p1, "w") == 0 || stricmp(p1, "write") == 0 || stricmp(p1, "r") == 0 || stricmp(p1, "read") == 0 )
2493 break;
2494
2495 p1 = p2;
2496 colon = 1;
2497 }
2498
2499 if ( *p1 == 'w' ) {
2500 ignore_space(&p2, &len);
2501 p = (unsigned long *)get_number(&p2, &len, 1);
2502 p = (unsigned long *)sb_addr_to_fpi_addr_convert((unsigned long)p);
2503
2504 if ( (unsigned int)p >= KSEG0 )
2505 while ( 1 ) {
2506 ignore_space(&p2, &len);
2507 if ( !len || !((*p2 >= '0' && *p2 <= '9') || (*p2 >= 'a' && *p2 <= 'f') || (*p2 >= 'A' && *p2 <= 'F')) )
2508 break;
2509
2510 *p++ = (unsigned int)get_number(&p2, &len, 1);
2511 }
2512 }
2513 else if ( *p1 == 'r' ) {
2514 ignore_space(&p2, &len);
2515 p = (unsigned long *)get_number(&p2, &len, 1);
2516 p = (unsigned long *)sb_addr_to_fpi_addr_convert((unsigned long)p);
2517
2518 if ( (unsigned int)p >= KSEG0 ) {
2519 ignore_space(&p2, &len);
2520 n = (int)get_number(&p2, &len, 0);
2521 if ( n ) {
2522 char str[32] = {0};
2523 char *pch = str;
2524 int k;
2525 unsigned int data;
2526 char c;
2527
2528 n += (l = ((int)p >> 2) & 0x03);
2529 p = (unsigned long *)((unsigned int)p & ~0x0F);
2530 for ( i = 0; i < n; i++ ) {
2531 if ( (i & 0x03) == 0 ) {
2532 printk("%08X:", (unsigned int)p);
2533 pch = str;
2534 }
2535 if ( i < l ) {
2536 printk(" ");
2537 sprintf(pch, " ");
2538 }
2539 else {
2540 data = (unsigned int)*p;
2541 printk(" %08X", data);
2542 for ( k = 0; k < 4; k++ ) {
2543 c = ((char*)&data)[k];
2544 pch[k] = c < ' ' ? '.' : c;
2545 }
2546 }
2547 p++;
2548 pch += 4;
2549 if ( (i & 0x03) == 0x03 ) {
2550 pch[0] = 0;
2551 printk(" ; %s\n", str);
2552 }
2553 }
2554 if ( (n & 0x03) != 0x00 ) {
2555 for ( k = 4 - (n & 0x03); k > 0; k-- )
2556 printk(" ");
2557 pch[0] = 0;
2558 printk(" ; %s\n", str);
2559 }
2560 }
2561 }
2562 }
2563
2564 vfree(local_buf);
2565 return count;
2566 }
2567
2568 #if defined(CONFIG_AR9) || defined(CONFIG_VR9)
2569
2570 static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data)
2571 {
2572 static const char *stron = " on";
2573 static const char *stroff = "off";
2574
2575 int len = 0;
2576 int cur_context;
2577 int f_stopped;
2578 char str[256];
2579 char strlength;
2580 int i, j;
2581
2582 int pp32;
2583
2584 for ( pp32 = 0; pp32 < NUM_OF_PP32; pp32++ ) {
2585 f_stopped = 0;
2586
2587 len += sprintf(page + off + len, "===== pp32 core %d =====\n", pp32);
2588
2589 #ifdef CONFIG_VR9
2590 if ( (*PP32_FREEZE & (1 << (pp32 << 4))) != 0 ) {
2591 sprintf(str, "freezed");
2592 f_stopped = 1;
2593 }
2594 #else
2595 if ( 0 ) {
2596 }
2597 #endif
2598 else if ( PP32_CPU_USER_STOPPED(pp32) || PP32_CPU_USER_BREAKIN_RCV(pp32) || PP32_CPU_USER_BREAKPOINT_MET(pp32) ) {
2599 strlength = 0;
2600 if ( PP32_CPU_USER_STOPPED(pp32) )
2601 strlength += sprintf(str + strlength, "stopped");
2602 if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) )
2603 strlength += sprintf(str + strlength, strlength ? " | breakpoint" : "breakpoint");
2604 if ( PP32_CPU_USER_BREAKIN_RCV(pp32) )
2605 strlength += sprintf(str + strlength, strlength ? " | breakin" : "breakin");
2606 f_stopped = 1;
2607 }
2608 #if 0
2609 else if ( PP32_CPU_CUR_PC(pp32) == PP32_CPU_CUR_PC(pp32) ) {
2610 sprintf(str, "hang");
2611 f_stopped = 1;
2612 }
2613 #endif
2614 else
2615 sprintf(str, "running");
2616 cur_context = PP32_BRK_CUR_CONTEXT(pp32);
2617 len += sprintf(page + off + len, "Context: %d, PC: 0x%04x, %s\n", cur_context, PP32_CPU_CUR_PC(pp32), str);
2618
2619 if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) ) {
2620 strlength = 0;
2621 if ( PP32_BRK_PC_MET(pp32, 0) )
2622 strlength += sprintf(str + strlength, "pc0");
2623 if ( PP32_BRK_PC_MET(pp32, 1) )
2624 strlength += sprintf(str + strlength, strlength ? " | pc1" : "pc1");
2625 if ( PP32_BRK_DATA_ADDR_MET(pp32, 0) )
2626 strlength += sprintf(str + strlength, strlength ? " | daddr0" : "daddr0");
2627 if ( PP32_BRK_DATA_ADDR_MET(pp32, 1) )
2628 strlength += sprintf(str + strlength, strlength ? " | daddr1" : "daddr1");
2629 if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 0) ) {
2630 strlength += sprintf(str + strlength, strlength ? " | rdval0" : "rdval0");
2631 if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 0) ) {
2632 if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) )
2633 strlength += sprintf(str + strlength, " ==");
2634 else
2635 strlength += sprintf(str + strlength, " <=");
2636 }
2637 else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) )
2638 strlength += sprintf(str + strlength, " >=");
2639 }
2640 if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 1) ) {
2641 strlength += sprintf(str + strlength, strlength ? " | rdval1" : "rdval1");
2642 if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 1) ) {
2643 if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) )
2644 strlength += sprintf(str + strlength, " ==");
2645 else
2646 strlength += sprintf(str + strlength, " <=");
2647 }
2648 else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) )
2649 strlength += sprintf(str + strlength, " >=");
2650 }
2651 if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 0) ) {
2652 strlength += sprintf(str + strlength, strlength ? " | wtval0" : "wtval0");
2653 if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 0) ) {
2654 if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) )
2655 strlength += sprintf(str + strlength, " ==");
2656 else
2657 strlength += sprintf(str + strlength, " <=");
2658 }
2659 else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) )
2660 strlength += sprintf(str + strlength, " >=");
2661 }
2662 if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 1) ) {
2663 strlength += sprintf(str + strlength, strlength ? " | wtval1" : "wtval1");
2664 if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 1) ) {
2665 if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) )
2666 strlength += sprintf(str + strlength, " ==");
2667 else
2668 strlength += sprintf(str + strlength, " <=");
2669 }
2670 else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) )
2671 strlength += sprintf(str + strlength, " >=");
2672 }
2673 len += sprintf(page + off + len, "break reason: %s\n", str);
2674 }
2675
2676 if ( f_stopped )
2677 {
2678 len += sprintf(page + off + len, "General Purpose Register (Context %d):\n", cur_context);
2679 for ( i = 0; i < 4; i++ ) {
2680 for ( j = 0; j < 4; j++ )
2681 len += sprintf(page + off + len, " %2d: %08x", i + j * 4, *PP32_GP_CONTEXTi_REGn(pp32, cur_context, i + j * 4));
2682 len += sprintf(page + off + len, "\n");
2683 }
2684 }
2685
2686 len += sprintf(page + off + len, "break out on: break in - %s, stop - %s\n",
2687 PP32_CTRL_OPT_BREAKOUT_ON_BREAKIN(pp32) ? stron : stroff,
2688 PP32_CTRL_OPT_BREAKOUT_ON_STOP(pp32) ? stron : stroff);
2689 len += sprintf(page + off + len, " stop on: break in - %s, break point - %s\n",
2690 PP32_CTRL_OPT_STOP_ON_BREAKIN(pp32) ? stron : stroff,
2691 PP32_CTRL_OPT_STOP_ON_BREAKPOINT(pp32) ? stron : stroff);
2692 len += sprintf(page + off + len, "breakpoint:\n");
2693 len += sprintf(page + off + len, " pc0: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 0), PP32_BRK_GRPi_PCn(pp32, 0, 0) ? "group 0" : "off");
2694 len += sprintf(page + off + len, " pc1: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 1), PP32_BRK_GRPi_PCn(pp32, 1, 1) ? "group 1" : "off");
2695 len += sprintf(page + off + len, " daddr0: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 0), PP32_BRK_GRPi_DATA_ADDRn(pp32, 0, 0) ? "group 0" : "off");
2696 len += sprintf(page + off + len, " daddr1: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 1), PP32_BRK_GRPi_DATA_ADDRn(pp32, 1, 1) ? "group 1" : "off");
2697 len += sprintf(page + off + len, " rdval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 0));
2698 len += sprintf(page + off + len, " rdval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 1));
2699 len += sprintf(page + off + len, " wrval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 0));
2700 len += sprintf(page + off + len, " wrval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 1));
2701 }
2702
2703 *eof = 1;
2704
2705 return len;
2706 }
2707
2708 static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data)
2709 {
2710 char *str = NULL;
2711 char *p;
2712 unsigned int addr;
2713 int str_buff_len = 1024;
2714
2715 int len, rlen;
2716
2717 int pp32 = 0;
2718
2719 str = vmalloc(str_buff_len);
2720 if (!str) {
2721 return 0;
2722 }
2723
2724 len = count < str_buff_len ? count : str_buff_len - 1;
2725 rlen = len - copy_from_user(str, buf, len);
2726 while ( rlen && str[rlen - 1] <= ' ' )
2727 rlen--;
2728 str[rlen] = 0;
2729 for ( p = str; *p && *p <= ' '; p++, rlen-- );
2730 if ( !*p ){
2731 vfree(str);
2732 return 0;
2733 }
2734
2735 if ( strincmp(p, "pp32 ", 5) == 0 ) {
2736 p += 5;
2737 rlen -= 5;
2738
2739 while ( rlen > 0 && *p >= '0' && *p <= '9' ) {
2740 pp32 += *p - '0';
2741 p++;
2742 rlen--;
2743 }
2744 while ( rlen > 0 && *p && *p <= ' ' ) {
2745 p++;
2746 rlen--;
2747 }
2748
2749 if ( pp32 >= NUM_OF_PP32 ) {
2750 err("incorrect pp32 index - %d", pp32);
2751 vfree(str);
2752 return count;
2753 }
2754 }
2755
2756 if ( stricmp(p, "start") == 0 )
2757 *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_RESTART;
2758 else if ( stricmp(p, "stop") == 0 )
2759 *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STOP;
2760 else if ( stricmp(p, "step") == 0 )
2761 *PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STEP;
2762 #ifdef CONFIG_VR9
2763 else if ( stricmp(p, "restart") == 0 )
2764 *PP32_FREEZE &= ~(1 << (pp32 << 4));
2765 else if ( stricmp(p, "freeze") == 0 )
2766 *PP32_FREEZE |= 1 << (pp32 << 4);
2767 #endif
2768 else if ( strincmp(p, "pc0 ", 4) == 0 ) {
2769 p += 4;
2770 rlen -= 4;
2771 if ( stricmp(p, "off") == 0 ) {
2772 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(0, 0);
2773 *PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN;
2774 *PP32_BRK_PC(pp32, 0) = 0;
2775 }
2776 else {
2777 addr = get_number(&p, &rlen, 1);
2778 *PP32_BRK_PC(pp32, 0) = addr;
2779 *PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
2780 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(0, 0);
2781 }
2782 }
2783 else if ( strincmp(p, "pc1 ", 4) == 0 ) {
2784 p += 4;
2785 rlen -= 4;
2786 if ( stricmp(p, "off") == 0 ) {
2787 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(1, 1);
2788 *PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN;
2789 *PP32_BRK_PC(pp32, 1) = 0;
2790 }
2791 else {
2792 addr = get_number(&p, &rlen, 1);
2793 *PP32_BRK_PC(pp32, 1) = addr;
2794 *PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
2795 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(1, 1);
2796 }
2797 }
2798 else if ( strincmp(p, "daddr0 ", 7) == 0 ) {
2799 p += 7;
2800 rlen -= 7;
2801 if ( stricmp(p, "off") == 0 ) {
2802 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(0, 0);
2803 *PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN;
2804 *PP32_BRK_DATA_ADDR(pp32, 0) = 0;
2805 }
2806 else {
2807 addr = get_number(&p, &rlen, 1);
2808 *PP32_BRK_DATA_ADDR(pp32, 0) = addr;
2809 *PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
2810 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(0, 0);
2811 }
2812 }
2813 else if ( strincmp(p, "daddr1 ", 7) == 0 ) {
2814 p += 7;
2815 rlen -= 7;
2816 if ( stricmp(p, "off") == 0 ) {
2817 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(1, 1);
2818 *PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN;
2819 *PP32_BRK_DATA_ADDR(pp32, 1) = 0;
2820 }
2821 else {
2822 addr = get_number(&p, &rlen, 1);
2823 *PP32_BRK_DATA_ADDR(pp32, 1) = addr;
2824 *PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
2825 *PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(1, 1);
2826 }
2827 }
2828 else {
2829
2830 printk("echo \"<command>\" > /proc/driver/ifx_ptm/pp32\n");
2831 printk(" command:\n");
2832 printk(" start - run pp32\n");
2833 printk(" stop - stop pp32\n");
2834 printk(" step - run pp32 with one step only\n");
2835 printk(" pc0 - pc0 <addr>/off, set break point PC0\n");
2836 printk(" pc1 - pc1 <addr>/off, set break point PC1\n");
2837 printk(" daddr0 - daddr0 <addr>/off, set break point data address 0\n");
2838 printk(" daddr0 - daddr1 <addr>/off, set break point data address 1\n");
2839 printk(" help - print this screen\n");
2840 }
2841
2842 if ( *PP32_BRK_TRIG(pp32) )
2843 *PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_ON;
2844 else
2845 *PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_OFF;
2846 vfree(str);
2847 return count;
2848 }
2849
2850 #elif defined(CONFIG_DANUBE)
2851
2852 static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data)
2853 {
2854 static const char *halt_stat[] = {
2855 "reset",
2856 "break in line",
2857 "stop",
2858 "step",
2859 "code",
2860 "data0",
2861 "data1"
2862 };
2863 static const char *brk_src_data[] = {
2864 "off",
2865 "read",
2866 "write",
2867 "read/write",
2868 "write_equal",
2869 "N/A",
2870 "N/A",
2871 "N/A"
2872 };
2873 static const char *brk_src_code[] = {
2874 "off",
2875 "on"
2876 };
2877
2878 int len = 0;
2879 int i;
2880 int k;
2881 unsigned long bit;
2882 int tsk;
2883
2884 tsk = *PP32_DBG_TASK_NO & 0x03;
2885 len += sprintf(page + off + len, "Task No %d, PC %04x\n", tsk, *PP32_DBG_CUR_PC & 0xFFFF);
2886
2887 if ( !(*PP32_HALT_STAT & 0x01) )
2888 len += sprintf(page + off + len, " Halt State: Running\n");
2889 else {
2890 len += sprintf(page + off + len, " Halt State: Stopped");
2891 k = 0;
2892 for ( bit = 2, i = 0; bit <= (1 << 7); bit <<= 1, i++ )
2893 if ( (*PP32_HALT_STAT & bit) ) {
2894 if ( !k ) {
2895 len += sprintf(page + off + len, ", ");
2896 k++;
2897 }
2898 else
2899 len += sprintf(page + off + len, " | ");
2900 len += sprintf(page + off + len, halt_stat[i]);
2901 }
2902
2903 len += sprintf(page + off + len, "\n");
2904
2905 len += sprintf(page + off + len, " Regs (Task %d):\n", tsk);
2906 for ( i = 0; i < 8; i++ )
2907 len += sprintf(page + off + len, " %2d. %08x %2d. %08x\n", i, *PP32_DBG_REG_BASE(tsk, i), i + 8, *PP32_DBG_REG_BASE(tsk, i + 8));
2908 }
2909
2910 len += sprintf(page + off + len, " Break Src: data1 - %s, data0 - %s, pc3 - %s, pc2 - %s, pc1 - %s, pc0 - %s\n",
2911 brk_src_data[(*PP32_BRK_SRC >> 11) & 0x07],
2912 brk_src_data[(*PP32_BRK_SRC >> 8) & 0x07],
2913 brk_src_code[(*PP32_BRK_SRC >> 3) & 0x01],
2914 brk_src_code[(*PP32_BRK_SRC >> 2) & 0x01],
2915 brk_src_code[(*PP32_BRK_SRC >> 1) & 0x01],
2916 brk_src_code[*PP32_BRK_SRC & 0x01]);
2917
2918 for ( i = 0; i < 4; i++ )
2919 len += sprintf(page + off + len, " pc%d: %04x - %04x\n", i, *PP32_DBG_PC_MIN(i), *PP32_DBG_PC_MAX(i));
2920
2921 for ( i = 0; i < 2; i++ )
2922 len += sprintf(page + off + len, " data%d: %04x - %04x (%08x)\n", i, *PP32_DBG_DATA_MIN(i), *PP32_DBG_DATA_MAX(i), *PP32_DBG_DATA_VAL(i));
2923
2924 *eof = 1;
2925
2926 return len;
2927 }
2928
2929 static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data)
2930 {
2931 char *str;
2932 char *p;
2933
2934 int len, rlen;
2935 int str_buff_len = 2048;
2936 str = vmalloc(str_buff_len);
2937 if (!str){
2938 return 0;
2939 }
2940 len = count < str_buff_len ? count : str_buff_len - 1;
2941 rlen = len - copy_from_user(str, buf, len);
2942 while ( rlen && str[rlen - 1] <= ' ' )
2943 rlen--;
2944 str[rlen] = 0;
2945 for ( p = str; *p && *p <= ' '; p++, rlen-- );
2946 if ( !*p )
2947 vfree(str);
2948 return 0;
2949
2950 if ( stricmp(p, "start") == 0 )
2951 *PP32_DBG_CTRL = DBG_CTRL_START_SET(1);
2952 else if ( stricmp(p, "stop") == 0 )
2953 *PP32_DBG_CTRL = DBG_CTRL_STOP_SET(1);
2954 else if ( stricmp(p, "step") == 0 )
2955 *PP32_DBG_CTRL = DBG_CTRL_STEP_SET(1);
2956 else if ( strincmp(p, "pc", 2) == 0 && p[2] >= '0' && p[2] <= '3' && p[3] <= ' ' ) {
2957 int n = p[2] - '0';
2958 int on_off_flag = -1;
2959 int addr_min, addr_max;
2960
2961 p += 4;
2962 rlen -= 4;
2963 ignore_space(&p, &rlen);
2964
2965 if ( strincmp(p, "off", 3) == 0 && p[3] <= ' ' ) {
2966 p += 3;
2967 rlen -= 3;
2968 on_off_flag = 0;
2969 }
2970 else if ( strincmp(p, "on", 2) == 0 && p[2] <= ' ' ) {
2971 p += 2;
2972 rlen -= 2;
2973 on_off_flag = 1;
2974 }
2975 ignore_space(&p, &rlen);
2976
2977 if ( rlen ) {
2978 addr_min = get_number(&p, &rlen, 1);
2979 ignore_space(&p, &rlen);
2980 if ( rlen )
2981 addr_max = get_number(&p, &rlen, 1);
2982 else
2983 addr_max = addr_min;
2984
2985 *PP32_DBG_PC_MIN(n) = addr_min;
2986 *PP32_DBG_PC_MAX(n) = addr_max;
2987 }
2988
2989 if ( on_off_flag == 0 )
2990 *PP32_BRK_SRC &= ~(1 << n);
2991 else if ( on_off_flag > 0 )
2992 *PP32_BRK_SRC |= 1 << n;
2993 }
2994 else if ( strincmp(p, "data", 4) == 0 && p[4] >= '0' && p[4] <= '1' && p[5] <= ' ' ) {
2995 const static char *data_cmd_str[] = {"r", "w", "rw", "w=", "off", "min", "min addr", "max", "max addr", "val", "value"};
2996 const static int data_cmd_len[] = {1, 1, 2, 2, 3, 3, 8, 3, 8, 3, 5};
2997 const static int data_cmd_idx[] = {1, 2, 3, 4, 0, 5, 5, 6, 6, 7, 7};
2998 int n = p[4] - '0';
2999 int on_off_flag = -1, on_off_mask = 0;
3000 int addr_min = -1, addr_max = -1;
3001 int value = 0, f_got_value = 0;
3002 int stat = 0;
3003 int i;
3004 int tmp;
3005
3006 p += 6;
3007 rlen -= 6;
3008
3009 while ( 1 ) {
3010 ignore_space(&p, &rlen);
3011 if ( rlen <= 0 )
3012 break;
3013 for ( i = 0; i < NUM_ENTITY(data_cmd_str); i++ )
3014 if ( strincmp(p, data_cmd_str[i], data_cmd_len[i]) == 0 && p[data_cmd_len[i]] <= ' ' ) {
3015 p += data_cmd_len[i];
3016 rlen -= data_cmd_len[i];
3017 stat = data_cmd_idx[i];
3018 if ( stat <= 4 ) {
3019 on_off_mask = 7;
3020 on_off_flag = stat;
3021 }
3022 break;
3023 }
3024 if ( i == NUM_ENTITY(data_cmd_str) ) {
3025 if ( (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F') ) {
3026 tmp = get_number(&p, &rlen, 1);
3027 if ( stat <= 5 ) {
3028 addr_min = tmp;
3029 stat = 6;
3030 }
3031 else if ( stat >= 7 ) {
3032 value = tmp;
3033 f_got_value = 1;
3034 }
3035 else {
3036 addr_max = tmp;
3037 stat = 7;
3038 }
3039 }
3040 else
3041 for ( ; rlen && *p > ' '; rlen--, p++ );
3042 }
3043 }
3044
3045 if ( addr_min >= 0 )
3046 *PP32_DBG_DATA_MIN(n) = *PP32_DBG_DATA_MAX(n) = addr_min;
3047 if ( addr_max >= 0 )
3048 *PP32_DBG_DATA_MAX(n) = addr_max;
3049 if ( f_got_value )
3050 *PP32_DBG_DATA_VAL(n) = value;
3051 if ( on_off_mask && on_off_flag >= 0 ) {
3052 on_off_flag <<= n ? 11 : 8;
3053 on_off_mask <<= n ? 11 : 8;
3054 *PP32_BRK_SRC = (*PP32_BRK_SRC & ~on_off_mask) | on_off_flag;
3055 }
3056 }
3057 else {
3058 printk("echo \"<command>\" > /proc/eth/etop\n");
3059 printk(" command:\n");
3060 printk(" start - run pp32\n");
3061 printk(" stop - stop pp32\n");
3062 printk(" step - run pp32 with one step only\n");
3063 printk(" pc - pc? [on/off] [min addr] [max addr], set PC break point\n");
3064 printk(" data - data? [r/w/rw/w=/off] [min <addr>] [max <addr>] [val <value>], set data break point\n");
3065 printk(" help - print this screen\n");
3066 }
3067
3068 vfree(str);
3069 return count;
3070 }
3071
3072 #elif defined(CONFIG_AMAZON_SE)
3073
3074 static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data)
3075 {
3076 static const char *halt_stat[] = {
3077 "reset",
3078 "break in line",
3079 "stop",
3080 "step",
3081 "code",
3082 "data0",
3083 "data1"
3084 };
3085 static const char *brk_src_data[] = {
3086 "off",
3087 "read",
3088 "write",
3089 "read/write",
3090 "write_equal",
3091 "N/A",
3092 "N/A",
3093 "N/A"
3094 };
3095 static const char *brk_src_code[] = {
3096 "off",
3097 "on"
3098 };
3099
3100 int len = 0;
3101 int i;
3102 int k;
3103 unsigned long bit;
3104
3105 len += sprintf(page + off + len, "Task No %d, PC %04x\n", *PP32_DBG_TASK_NO & 0x03, *PP32_DBG_CUR_PC & 0xFFFF);
3106
3107 if ( !(*PP32_HALT_STAT & 0x01) )
3108 len += sprintf(page + off + len, " Halt State: Running\n");
3109 else
3110 {
3111 len += sprintf(page + off + len, " Halt State: Stopped");
3112 k = 0;
3113 for ( bit = 2, i = 0; bit <= (1 << 7); bit <<= 1, i++ )
3114 if ( (*PP32_HALT_STAT & bit) )
3115 {
3116 if ( !k )
3117 {
3118 len += sprintf(page + off + len, ", ");
3119 k++;
3120 }
3121 else
3122 len += sprintf(page + off + len, " | ");
3123 len += sprintf(page + off + len, halt_stat[i]);
3124 }
3125
3126 len += sprintf(page + off + len, "\n");
3127 }
3128
3129 len += sprintf(page + off + len, " Break Src: data1 - %s, data0 - %s, pc3 - %s, pc2 - %s, pc1 - %s, pc0 - %s\n",
3130 brk_src_data[(*PP32_BRK_SRC >> 11) & 0x07], brk_src_data[(*PP32_BRK_SRC >> 8) & 0x07], brk_src_code[(*PP32_BRK_SRC >> 3) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 2) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 1) & 0x01], brk_src_code[*PP32_BRK_SRC & 0x01]);
3131
3132 // for ( i = 0; i < 4; i++ )
3133 // len += sprintf(page + off + len, " pc%d: %04x - %04x\n", i, *PP32_DBG_PC_MIN(i), *PP32_DBG_PC_MAX(i));
3134
3135 // for ( i = 0; i < 2; i++ )
3136 // len += sprintf(page + off + len, " data%d: %04x - %04x (%08x)\n", i, *PP32_DBG_DATA_MIN(i), *PP32_DBG_DATA_MAX(i), *PP32_DBG_DATA_VAL(i));
3137
3138 *eof = 1;
3139
3140 return len;
3141 }
3142
3143 static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data)
3144 {
3145 char str[2048];
3146 char *p;
3147
3148 int len, rlen;
3149
3150 len = count < sizeof(str) ? count : sizeof(str) - 1;
3151 rlen = len - copy_from_user(str, buf, len);
3152 while ( rlen && str[rlen - 1] <= ' ' )
3153 rlen--;
3154 str[rlen] = 0;
3155 for ( p = str; *p && *p <= ' '; p++, rlen-- );
3156 if ( !*p )
3157 return 0;
3158
3159 if ( stricmp(str, "start") == 0 )
3160 *PP32_DBG_CTRL = DBG_CTRL_RESTART;
3161 else if ( stricmp(str, "stop") == 0 )
3162 *PP32_DBG_CTRL = DBG_CTRL_STOP;
3163 // else if ( stricmp(str, "step") == 0 )
3164 // *PP32_DBG_CTRL = DBG_CTRL_STEP_SET(1);
3165 else
3166 {
3167 printk("echo \"<command>\" > /proc/eth/etop\n");
3168 printk(" command:\n");
3169 printk(" start - run pp32\n");
3170 printk(" stop - stop pp32\n");
3171 // printk(" step - run pp32 with one step only\n");
3172 printk(" help - print this screen\n");
3173 }
3174
3175 return count;
3176 }
3177
3178 #endif
3179
3180 #endif
3181
3182 #if defined(ENABLE_FW_PROC) && ENABLE_FW_PROC
3183
3184 static INLINE int print_htu(char *buf, int i)
3185 {
3186 int len = 0;
3187
3188 if ( HTU_ENTRY(i)->vld ) {
3189 len += sprintf(buf + len, "%2d. valid\n", i);
3190 len += sprintf(buf + len, " entry 0x%08x - pid %01x vpi %02x vci %04x pti %01x\n", *(unsigned int*)HTU_ENTRY(i), HTU_ENTRY(i)->pid, HTU_ENTRY(i)->vpi, HTU_ENTRY(i)->vci, HTU_ENTRY(i)->pti);
3191 len += sprintf(buf + len, " mask 0x%08x - pid %01x vpi %02x vci %04x pti %01x\n", *(unsigned int*)HTU_MASK(i), HTU_MASK(i)->pid_mask, HTU_MASK(i)->vpi_mask, HTU_MASK(i)->vci_mask, HTU_MASK(i)->pti_mask);
3192 len += sprintf(buf + len, " result 0x%08x - type: %s, qid: %d", *(unsigned int*)HTU_RESULT(i), HTU_RESULT(i)->type ? "cell" : "AAL5", HTU_RESULT(i)->qid);
3193 if ( HTU_RESULT(i)->type )
3194 len += sprintf(buf + len, ", cell id: %d, verification: %s", HTU_RESULT(i)->cellid, HTU_RESULT(i)->ven ? "on" : "off");
3195 len += sprintf(buf + len, "\n");
3196 }
3197 else
3198 len += sprintf(buf + len, "%2d. invalid\n", i);
3199
3200 return len;
3201 }
3202
3203 static int proc_read_htu(char *page, char **start, off_t off, int count, int *eof, void *data)
3204 {
3205 int len = 0;
3206 int len_max = off + count;
3207 char *pstr;
3208 int llen;
3209 char *str;
3210 int htuts = *CFG_WRX_HTUTS;
3211 int i;
3212
3213 str = vmalloc (1024);
3214 if (!str)
3215 return 0;
3216
3217 pstr = *start = page;
3218
3219 llen = sprintf(pstr, "HTU Table (Max %d):\n", htuts);
3220 pstr += llen;
3221 len += llen;
3222
3223 for ( i = 0; i < htuts; i++ ) {
3224 llen = print_htu(str, i);
3225 if ( len <= off && len + llen > off ) {
3226 memcpy(pstr, str + off - len, len + llen - off);
3227 pstr += len + llen - off;
3228 }
3229 else if ( len > off ) {
3230 memcpy(pstr, str, llen);
3231 pstr += llen;
3232 }
3233 len += llen;
3234 if ( len >= len_max )
3235 goto PROC_READ_HTU_OVERRUN_END;
3236 }
3237
3238 *eof = 1;
3239 vfree(str);
3240 return len - off;
3241
3242 PROC_READ_HTU_OVERRUN_END:
3243
3244 return len - llen - off;
3245 }
3246
3247 static INLINE int print_tx_queue(char *buf, int i)
3248 {
3249 int len = 0;
3250
3251 if ( (*WTX_DMACH_ON & (1 << i)) ) {
3252 len += sprintf(buf + len, "%2d. valid\n", i);
3253 len += sprintf(buf + len, " queue 0x%08x - sbid %u, qsb vcid %u, qsb %s\n", (unsigned int)WTX_QUEUE_CONFIG(i), (unsigned int)WTX_QUEUE_CONFIG(i)->sbid, (unsigned int)WTX_QUEUE_CONFIG(i)->qsb_vcid, WTX_QUEUE_CONFIG(i)->qsben ? "enable" : "disable");
3254 len += sprintf(buf + len, " dma 0x%08x - base %08x, len %u, vlddes %u\n", (unsigned int)WTX_DMA_CHANNEL_CONFIG(i), WTX_DMA_CHANNEL_CONFIG(i)->desba, WTX_DMA_CHANNEL_CONFIG(i)->deslen, WTX_DMA_CHANNEL_CONFIG(i)->vlddes);
3255 }
3256 else
3257 len += sprintf(buf + len, "%2d. invalid\n", i);
3258
3259 return len;
3260 }
3261
3262 static int proc_read_txq(char *page, char **start, off_t off, int count, int *eof, void *data)
3263 {
3264 int len = 0;
3265 int len_max = off + count;
3266 char *pstr;
3267 int llen;
3268 int str_buff_len = 1024;
3269 char *str;
3270
3271 int i;
3272
3273 str = vmalloc(str_buff_len);
3274 if (!str){
3275 return 0;
3276 }
3277 pstr = *start = page;
3278
3279 llen = sprintf(pstr, "TX Queue Config (Max %d):\n", *CFG_WTX_DCHNUM);
3280 pstr += llen;
3281 len += llen;
3282
3283 for ( i = 0; i < 16; i++ ) {
3284 llen = print_tx_queue(str, i);
3285 if ( len <= off && len + llen > off ) {
3286 memcpy(pstr, str + off - len, len + llen - off);
3287 pstr += len + llen - off;
3288 }
3289 else if ( len > off ) {
3290 memcpy(pstr, str, llen);
3291 pstr += llen;
3292 }
3293 len += llen;
3294 if ( len >= len_max )
3295 goto PROC_READ_HTU_OVERRUN_END;
3296 }
3297
3298
3299 *eof = 1;
3300
3301 vfree(str);
3302 return len - off;
3303
3304 PROC_READ_HTU_OVERRUN_END:
3305
3306 return len - llen - off;
3307 }
3308
3309 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
3310
3311 static int proc_read_retx_fw(char *page, char **start, off_t off, int count, int *eof, void *data)
3312 {
3313 int len = 0;
3314
3315 unsigned int next_dtu_sid_out, last_dtu_sid_in, next_cell_sid_out, isr_cell_id;
3316 unsigned int curr_time, sec_counter, curr_efb;
3317 struct Retx_adsl_ppe_intf adsl_ppe_intf;
3318
3319 adsl_ppe_intf = *RETX_ADSL_PPE_INTF;
3320 next_dtu_sid_out = *NEXT_DTU_SID_OUT;
3321 last_dtu_sid_in = *LAST_DTU_SID_IN;
3322 next_cell_sid_out = *NEXT_CELL_SID_OUT;
3323 isr_cell_id = *ISR_CELL_ID;
3324
3325 curr_time = *URetx_curr_time;
3326 sec_counter = *URetx_sec_counter;
3327 curr_efb = *RxCURR_EFB;
3328
3329
3330 len += sprintf(page + off + len, "Adsl-PPE Interface:\n");
3331 len += sprintf(page + off + len, " dtu_sid = 0x%02x [%3u]\n", adsl_ppe_intf.dtu_sid, adsl_ppe_intf.dtu_sid);
3332 len += sprintf(page + off + len, " dtu_timestamp = 0x%02x\n", adsl_ppe_intf.dtu_timestamp);
3333 len += sprintf(page + off + len, " local_time = 0x%02x\n", adsl_ppe_intf.local_time);
3334 len += sprintf(page + off + len, " is_last_cw = %u\n", adsl_ppe_intf.is_last_cw);
3335 len += sprintf(page + off + len, " reinit_flag = %u\n", adsl_ppe_intf.reinit_flag);
3336 len += sprintf(page + off + len, " is_bad_cw = %u\n", adsl_ppe_intf.is_bad_cw);
3337 len += sprintf(page + off + len, "\n");
3338
3339
3340 len += sprintf(page + off + len, "Retx Firmware Context:\n");
3341 len += sprintf(page + off + len, " next_dtu_sid_out (0x%08x) = 0x%02x [%3u]\n", (unsigned int )NEXT_DTU_SID_OUT, next_dtu_sid_out, next_dtu_sid_out);
3342 len += sprintf(page + off + len, " last_dtu_sid_in (0x%08x) = 0x%02x [%3u]\n", (unsigned int )LAST_DTU_SID_IN, last_dtu_sid_in, last_dtu_sid_in);
3343 len += sprintf(page + off + len, " next_cell_sid_out (0x%08x) = %u\n", (unsigned int )NEXT_CELL_SID_OUT, next_cell_sid_out);
3344 len += sprintf(page + off + len, " isr_cell_id (0x%08x) = %u\n", (unsigned int )ISR_CELL_ID, isr_cell_id);
3345 len += sprintf(page + off + len, " pb_cell_search_idx (0x%08x) = %u\n", (unsigned int )PB_CELL_SEARCH_IDX, *PB_CELL_SEARCH_IDX);
3346 len += sprintf(page + off + len, " pb_read_pend_flag (0x%08x) = %u\n", (unsigned int )PB_READ_PEND_FLAG, *PB_READ_PEND_FLAG);
3347 len += sprintf(page + off + len, " rfbi_first_cw (0x%08x) = %u\n", (unsigned int )RFBI_FIRST_CW, *RFBI_FIRST_CW);
3348 len += sprintf(page + off + len, " rfbi_bad_cw (0x%08x) = %u\n", (unsigned int )RFBI_BAD_CW, *RFBI_BAD_CW);
3349 len += sprintf(page + off + len, " rfbi_invalid_cw (0x%08x) = %u\n", (unsigned int )RFBI_INVALID_CW, *RFBI_INVALID_CW);
3350 len += sprintf(page + off + len, " rfbi_retx_cw (0x%08x) = %u\n", (unsigned int )RFBI_RETX_CW, *RFBI_RETX_CW);
3351 len += sprintf(page + off + len, " rfbi_chk_dtu_status (0x%08x) = %u\n", (unsigned int )RFBI_CHK_DTU_STATUS,*RFBI_CHK_DTU_STATUS);
3352 len += sprintf(page + off + len, "\n");
3353
3354
3355 len += sprintf(page + off + len, "SFSM Status: bc0 bc1 \n\n");
3356 len += sprintf(page + off + len, " state = %-22s , %s\n",
3357 (*__WRXCTXT_PortState(0) & 3) == 0 ? "Hunt" :
3358 (*__WRXCTXT_PortState(0) & 3) == 1 ? "Pre_sync" :
3359 (*__WRXCTXT_PortState(0) & 3) == 2 ? "Sync" :
3360 "Unknown(error)",
3361 (*__WRXCTXT_PortState(1) & 3) == 0 ? "Hunt" :
3362 (*__WRXCTXT_PortState(1) & 3) == 1 ? "Pre_sync" :
3363 (*__WRXCTXT_PortState(1) & 3) == 2 ? "Sync" :
3364 "Unknown(error)" );
3365 len += sprintf(page + off + len, " dbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n",
3366 SFSM_DBA(0)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_DBA(0)->dbase + 0x2000),
3367 SFSM_DBA(1)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_DBA(1)->dbase + 0x2000));
3368 len += sprintf(page + off + len, " cbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n",
3369 SFSM_CBA(0)->cbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_CBA(0)->cbase + 0x2000),
3370 SFSM_CBA(1)->cbase, (unsigned int)PPM_INT_UNIT_ADDR(SFSM_CBA(1)->cbase + 0x2000));
3371 len += sprintf(page + off + len, " sen = %-22d , %d\n", SFSM_CFG(0)->sen, SFSM_CFG(1)->sen );
3372 len += sprintf(page + off + len, " idlekeep = %-22d , %d\n", SFSM_CFG(0)->idlekeep, SFSM_CFG(1)->idlekeep );
3373 len += sprintf(page + off + len, " pnum = %-22d , %d\n", SFSM_CFG(0)->pnum, SFSM_CFG(1)->pnum );
3374 len += sprintf(page + off + len, " pptr = %-22d , %d\n", SFSM_PGCNT(0)->pptr, SFSM_PGCNT(1)->pptr);
3375 len += sprintf(page + off + len, " upage = %-22d , %d\n", SFSM_PGCNT(0)->upage, SFSM_PGCNT(1)->upage);
3376 len += sprintf(page + off + len, " l2_rdptr = %-22d , %d\n", *__WRXCTXT_L2_RdPtr(0), *__WRXCTXT_L2_RdPtr(1) );
3377 len += sprintf(page + off + len, " l2_page = %-22d , %d\n", *__WRXCTXT_L2Pages(0), *__WRXCTXT_L2Pages(1) );
3378 len += sprintf(page + off + len, "\n");
3379
3380
3381 len += sprintf(page + off + len, "FFSM Status: bc0 bc1 \n\n");
3382 len += sprintf(page + off + len, " dbase = 0x%04x ( 0x%08x ) , 0x%04x ( 0x%08x )\n",
3383 FFSM_DBA(0)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(FFSM_DBA(0)->dbase + 0x2000),
3384 FFSM_DBA(1)->dbase, (unsigned int)PPM_INT_UNIT_ADDR(FFSM_DBA(1)->dbase + 0x2000));
3385 len += sprintf(page + off + len, " pnum = %-22d , %d\n", FFSM_CFG(0)->pnum, FFSM_CFG(1)->pnum);
3386 len += sprintf(page + off + len, " vpage = %-22d , %d\n", FFSM_PGCNT(0)->vpage, FFSM_PGCNT(1)->vpage);
3387 len += sprintf(page + off + len, " ival = %-22d , %d\n", FFSM_PGCNT(0)->ival, FFSM_PGCNT(1)->ival);
3388 len += sprintf(page + off + len, " tc_wrptr = %-22d , %d\n", *__WTXCTXT_TC_WRPTR(0), *__WTXCTXT_TC_WRPTR(1));
3389 len += sprintf(page + off + len, "\n");
3390
3391
3392 len += sprintf(page + off + len, "Misc: \n\n");
3393 len += sprintf(page + off + len, " curr_time = %08x\n", curr_time );
3394 len += sprintf(page + off + len, " sec_counter = %d\n", sec_counter );
3395 len += sprintf(page + off + len, " curr_efb = %d\n", curr_efb );
3396 len += sprintf(page + off + len, "\n");
3397
3398 *eof = 1;
3399
3400 return len;
3401 }
3402
3403 static inline int is_valid(unsigned int * dtu_vld_stat, int dtu_sid)
3404 {
3405 int dw_idx = (dtu_sid / 32) & 7;
3406 int bit_pos = dtu_sid % 32;
3407
3408 return dtu_vld_stat[dw_idx] & (0x80000000 >> bit_pos);
3409 }
3410
3411 static int proc_read_retx_stats(char *page, char **start, off_t off, int count, int *eof, void *data)
3412 {
3413 int i;
3414 int len = 0;
3415 int len_max = off + count;
3416 char *pstr;
3417 char str[2048];
3418 int llen = 0;
3419
3420 unsigned int next_dtu_sid_out, last_dtu_sid_in, next_cell_sid_out;
3421 unsigned int dtu_vld_stat[8];
3422 struct DTU_stat_info dtu_stat_info[256];
3423 struct Retx_adsl_ppe_intf adsl_ppe_intf;
3424
3425 pstr = *start = page;
3426
3427 __sync();
3428
3429 // capture a snapshot of internal status
3430 next_dtu_sid_out = *NEXT_DTU_SID_OUT;
3431 last_dtu_sid_in = *LAST_DTU_SID_IN;
3432 next_cell_sid_out = *NEXT_CELL_SID_OUT;
3433 adsl_ppe_intf = *RETX_ADSL_PPE_INTF;
3434
3435 memcpy(&dtu_vld_stat, (void *)DTU_VLD_STAT, sizeof(dtu_vld_stat));
3436 memcpy(&dtu_stat_info, (void *)DTU_STAT_INFO, sizeof(dtu_stat_info));
3437
3438
3439 llen += sprintf(str + llen, "Adsl-PPE Interface:\n");
3440 llen += sprintf(str + llen, " dtu_sid = 0x%02x [%3u]\n", adsl_ppe_intf.dtu_sid, adsl_ppe_intf.dtu_sid);
3441 llen += sprintf(str + llen, " dtu_timestamp = 0x%02x\n", adsl_ppe_intf.dtu_timestamp);
3442 llen += sprintf(str + llen, " local_time = 0x%02x\n", adsl_ppe_intf.local_time);
3443 llen += sprintf(str + llen, " is_last_cw = %u\n", adsl_ppe_intf.is_last_cw);
3444 llen += sprintf(str + llen, " reinit_flag = %u\n", adsl_ppe_intf.reinit_flag);
3445 llen += sprintf(str + llen, " is_bad_cw = %u\n", adsl_ppe_intf.is_bad_cw);
3446 llen += sprintf(str + llen, "\n");
3447
3448 llen += sprintf(str + llen, "Retx Internal State:\n");
3449 llen += sprintf(str + llen, " next_dtu_sid_out (0x%08x) = 0x%02x [%3u]\n", (unsigned int )NEXT_DTU_SID_OUT, next_dtu_sid_out, next_dtu_sid_out);
3450 llen += sprintf(str + llen, " last_dtu_sid_in (0x%08x) = 0x%02x [%3u]\n", (unsigned int )LAST_DTU_SID_IN, last_dtu_sid_in, last_dtu_sid_in);
3451 llen += sprintf(str + llen, " next_cell_sid_out (0x%08x) = %u\n", (unsigned int )NEXT_CELL_SID_OUT, next_cell_sid_out);
3452 llen += sprintf(str + llen, " dtu_valid_stat (0x%08x)\n", (unsigned int )DTU_VLD_STAT);
3453 llen += sprintf(str + llen, " dtu_stat_info (0x%08x)\n", (unsigned int )DTU_STAT_INFO);
3454 llen += sprintf(str + llen, " pb_buffer_usage (0x%08x)\n", (unsigned int )PB_BUFFER_USAGE);
3455
3456 if ( len <= off && len + llen > off ) {
3457 memcpy(pstr, str + off - len, len + llen - off);
3458 pstr += len + llen - off;
3459 }
3460 else if ( len > off ) {
3461 memcpy(pstr, str, llen);
3462 pstr += llen;
3463 }
3464 len += llen;
3465 if ( len >= len_max )
3466 goto PROC_READ_RETX_STATS_OVERRUN_END;
3467 llen = 0;
3468
3469
3470 llen += sprintf(str + llen, "\n");
3471 llen += sprintf(str + llen, "DTU_VALID_STAT: [0x%08x]:\n", (unsigned int)DTU_VLD_STAT);
3472 llen += sprintf(str + llen, "%08X: %08X %08X %08X %08X %08X %08X %08X %08X\n",
3473 (unsigned int)DTU_VLD_STAT,
3474 dtu_vld_stat[0], dtu_vld_stat[1], dtu_vld_stat[2], dtu_vld_stat[3],
3475 dtu_vld_stat[4], dtu_vld_stat[5], dtu_vld_stat[6], dtu_vld_stat[7]);
3476
3477 if ( len <= off && len + llen > off ) {
3478 memcpy(pstr, str + off - len, len + llen - off);
3479 pstr += len + llen - off;
3480 }
3481 else if ( len > off ) {
3482 memcpy(pstr, str, llen);
3483 pstr += llen;
3484 }
3485 len += llen;
3486 if ( len >= len_max )
3487 goto PROC_READ_RETX_STATS_OVERRUN_END;
3488 llen = 0;
3489
3490
3491 llen += sprintf(str + llen, "\n");
3492 llen += sprintf(str + llen, "DTU_STAT_INFO: [0x%08x]:\n", (unsigned int)DTU_STAT_INFO);
3493 llen += sprintf(str + llen, "dtu_id ts complete bad cell_cnt dtu_rd_ptr dtu_wr_ptr\n");
3494 llen += sprintf(str + llen, "---------------------------------------------------------------------\n");
3495 for ( i = 0; i < 256; i++ ) {
3496 if ( !is_valid(dtu_vld_stat, i) )
3497 continue;
3498
3499 llen += sprintf(str + llen, "0x%02x [%3u] 0x%02x %d %d %3d %5d %5d\n",
3500 i, i,
3501 DTU_STAT_INFO[i].time_stamp,
3502 DTU_STAT_INFO[i].complete,
3503 DTU_STAT_INFO[i].bad,
3504 DTU_STAT_INFO[i].cell_cnt,
3505 DTU_STAT_INFO[i].dtu_rd_ptr,
3506 DTU_STAT_INFO[i].dtu_wr_ptr );
3507
3508 if ( len <= off && len + llen > off ) {
3509 memcpy(pstr, str + off - len, len + llen - off);
3510 pstr += len + llen - off;
3511 }
3512 else if ( len > off )
3513 {
3514 memcpy(pstr, str, llen);
3515 pstr += llen;
3516 }
3517 len += llen;
3518 if ( len >= len_max )
3519 goto PROC_READ_RETX_STATS_OVERRUN_END;
3520 llen = 0;
3521 }
3522
3523
3524 llen += sprintf(str + llen, "\n");
3525 llen += sprintf(str + llen, "Playout buffer status --- valid status [0x%08x]:\n", (unsigned int)PB_BUFFER_USAGE);
3526 for( i = 0; i < RETX_MODE_CFG->buff_size; i += 8 ) {
3527 llen += sprintf(str + llen, "%08X: %08X %08X %08X %08X %08X %08X %08X %08X\n",
3528 (unsigned int)PB_BUFFER_USAGE + i * sizeof(unsigned int),
3529 PB_BUFFER_USAGE[i], PB_BUFFER_USAGE[i+1], PB_BUFFER_USAGE[i+2], PB_BUFFER_USAGE[i+3],
3530 PB_BUFFER_USAGE[i+4], PB_BUFFER_USAGE[i+5], PB_BUFFER_USAGE[i+6], PB_BUFFER_USAGE[i+7]);
3531 }
3532
3533 if ( len <= off && len + llen > off ) {
3534 memcpy(pstr, str + off - len, len + llen - off);
3535 pstr += len + llen - off;
3536 }
3537 else if ( len > off ) {
3538 memcpy(pstr, str, llen);
3539 pstr += llen;
3540 }
3541 len += llen;
3542 if ( len >= len_max )
3543 goto PROC_READ_RETX_STATS_OVERRUN_END;
3544 llen = 0;
3545
3546
3547 *eof = 1;
3548
3549 return len - off;
3550
3551 PROC_READ_RETX_STATS_OVERRUN_END:
3552 return len - llen - off;
3553 }
3554
3555 static int proc_write_retx_stats(struct file *file, const char *buf, unsigned long count, void *data)
3556 {
3557 char str[2048];
3558 char *p;
3559
3560 int len, rlen;
3561
3562 len = count < sizeof(str) ? count : sizeof(str) - 1;
3563 rlen = len - copy_from_user(str, buf, len);
3564 while ( rlen && str[rlen - 1] <= ' ' )
3565 rlen--;
3566 str[rlen] = 0;
3567 for ( p = str; *p && *p <= ' '; p++, rlen-- );
3568 if ( !*p )
3569 return 0;
3570
3571 if ( stricmp(p, "help") == 0 ) {
3572 printk("echo clear_pb > /proc/driver/ifx_atm/retx_stats \n");
3573 printk(" :clear context in playout buffer\n\n");
3574 printk("echo read_pb <pb_index> <cell_num> > /proc/driver/ifx_atm/retx_stats\n");
3575 printk(" : read playout buffer contents\n\n");
3576 printk("echo read_[r|t]x_cb > /proc/driver/ifx_atm/retx_stats\n");
3577 printk(" : read cell buffer\n\n");
3578 printk("echo clear_[r|t]x_cb > /proc/driver/ifx_atm/retx_stats\n");
3579 printk(" : clear cell buffer\n\n");
3580 printk("echo read_bad_dtu_intf_rec > /proc/driver/ifx_atm/retx_stats\n");
3581 printk(" : read bad dtu intrface information record\n\n");
3582 printk("echo clear_bad_dtu_intf_rec > /proc/driver/ifx_atm/retx_stats\n");
3583 printk(" : clear bad dtu interface information record\n\n");
3584 printk("echo read_wrx_context [i] > /proc/driver/ifx_atm/retx_stats\n");
3585 printk(" : clear bad dtu interface information record\n\n");
3586 printk("echo read_intf_rec > /proc/driver/ifx_atm/retx_stats\n");
3587 printk(" : read interface info record buffer\n\n");
3588 printk("echo reinit_intf_rec > /proc/driver/ifx_atm/retx_stats\n");
3589 printk(" : reinit intf record, must be called before showtime\n\n");
3590 }
3591 else if ( stricmp(p, "reinit_intf_rec") == 0 ) {
3592 int i = 0;
3593 struct Retx_adsl_ppe_intf_rec rec[16];
3594
3595 *DBG_DTU_INTF_WRPTR = 0;
3596 *DBG_INTF_FCW_DUP_CNT = 0;
3597 *DBG_INTF_SID_CHANGE_IN_DTU_CNT = 0;
3598 *DBG_INTF_LCW_DUP_CNT = 0;
3599
3600 *DBG_RFBI_DONE_INT_CNT = 0;
3601 *DBG_RFBI_INTV0 = 0;
3602 *DBG_RFBI_INTV1 = 0;
3603 *DBG_RFBI_BC0_INVALID_CNT = 0;
3604 *DBG_RFBI_LAST_T = 0;
3605 *DBG_DREG_BEG_END = 0;
3606
3607 memset((void *) DBG_INTF_INFO(0), 0, sizeof(rec));
3608 for( i = 0; i < 16; i++ )
3609 DBG_INTF_INFO(i)->res1_1 = 1;
3610 DBG_INTF_INFO(15)->dtu_sid = 255;
3611 }
3612 else if ( stricmp(p, "read_intf_rec") == 0 ) {
3613 int i, cnt;
3614 unsigned int dtu_intf_wrptr, fcw_dup_cnt, sid_change_in_dtu_cnt, lcw_dup_cnt ;
3615 unsigned int rfbi_done_int_cnt, rfbi_intv0, rfbi_intv1, rfbi_bc0_invalid_cnt, dreg_beg_end;
3616 struct Retx_adsl_ppe_intf_rec rec[16];
3617
3618 memcpy((void *) rec, (void *) DBG_INTF_INFO(0), sizeof(rec));
3619
3620 dtu_intf_wrptr = *DBG_DTU_INTF_WRPTR;
3621 fcw_dup_cnt = *DBG_INTF_FCW_DUP_CNT;
3622 sid_change_in_dtu_cnt = *DBG_INTF_SID_CHANGE_IN_DTU_CNT;
3623 lcw_dup_cnt = *DBG_INTF_LCW_DUP_CNT;
3624
3625 rfbi_done_int_cnt = *DBG_RFBI_DONE_INT_CNT;
3626 rfbi_intv0 = *DBG_RFBI_INTV0;
3627 rfbi_intv1 = *DBG_RFBI_INTV1;
3628 rfbi_bc0_invalid_cnt = *DBG_RFBI_BC0_INVALID_CNT;
3629 dreg_beg_end = *DBG_DREG_BEG_END;
3630
3631 printk("PPE-Adsl Interface recrod [addr 0x23F0]:\n\n");
3632
3633 printk(" rfbi_done_int_cnt = %d [0x%x] \n", rfbi_done_int_cnt, rfbi_done_int_cnt);
3634 printk(" rfbi_intv = 0x%08x 0x%08x [%d, %d, %d, %d, %d, %d, %d, %d]\n",
3635 rfbi_intv0, rfbi_intv1,
3636 rfbi_intv0 >> 24, (rfbi_intv0>>16) & 0xff, (rfbi_intv0>>8) & 0xff, rfbi_intv0 & 0xff,
3637 rfbi_intv1 >> 24, (rfbi_intv1>>16) & 0xff, (rfbi_intv1>>8) & 0xff, rfbi_intv1 & 0xff
3638 );
3639 printk(" rfbi_bc0_invld_cnt = %d\n", rfbi_bc0_invalid_cnt);
3640 printk(" dreg_beg_end = %d, %d\n\n", dreg_beg_end >> 16, dreg_beg_end & 0xffff);
3641
3642 printk(" wrptr = %d [0x%x] \n", dtu_intf_wrptr, dtu_intf_wrptr);
3643 printk(" fcw_dup_cnt = %d\n", fcw_dup_cnt);
3644 printk(" sid_chg_cnt = %d\n", sid_change_in_dtu_cnt);
3645 printk(" lcw_dup_cnt = %d\n\n", lcw_dup_cnt);
3646
3647
3648 printk(" idx itf_dw0 itf_dw1 dtu_sid timestamp local_time res1 last_cw bad_flag reinit\n");
3649 printk(" -------------------------------------------------------------------------------------\n");
3650 for ( i = (dtu_intf_wrptr + 1) % 16, cnt = 0; cnt < 16; cnt ++, i = (i + 1) % 16 ) {
3651 if(cnt < 15)
3652 printk(" ");
3653 else
3654 printk(" *");
3655 printk("%3d %04x %04x %3d[%02x] %3d[%02x] %3d[%02x] 0x%02x %d %d %d\n",
3656 i,
3657 (*(unsigned int *)&rec[i]) & 0xffff,
3658 (*(unsigned int *)&rec[i]) >> 16,
3659 rec[i].dtu_sid, rec[i].dtu_sid,
3660 rec[i].dtu_timestamp, rec[i].dtu_timestamp,
3661 rec[i].local_time, rec[i].local_time,
3662 rec[i].res1_1,
3663 rec[i].is_last_cw,
3664 rec[i].is_bad_cw,
3665 rec[i].reinit_flag );
3666 }
3667 }
3668 else if ( stricmp(p, "read_wrx_context") == 0 ) {
3669 int i = 0;
3670 int flag = 0;
3671 for( i = 0; i < 8; ++i ) {
3672 if ( !WRX_QUEUE_CONTEXT(i)->curr_des0 || !WRX_QUEUE_CONTEXT(i)->curr_des1 )
3673 continue;
3674
3675 flag = 1;
3676 printk("WRX queue context [ %d ]: \n", i);
3677 printk(" curr_len = %4d, mfs = %d, ec = %d, clp1 = %d, aal5dp = %d\n",
3678 WRX_QUEUE_CONTEXT(i)->curr_len, WRX_QUEUE_CONTEXT(i)->mfs,
3679 WRX_QUEUE_CONTEXT(i)->ec, WRX_QUEUE_CONTEXT(i)->clp1,
3680 WRX_QUEUE_CONTEXT(i)->aal5dp);
3681 printk(" initcrc = %08x\n", WRX_QUEUE_CONTEXT(i)->intcrc);
3682 printk(" currdes = %08x %08x\n",
3683 WRX_QUEUE_CONTEXT(i)->curr_des0, WRX_QUEUE_CONTEXT(i)->curr_des1);
3684 printk(" last_dw = %08x\n\n", WRX_QUEUE_CONTEXT(i)->last_dword);
3685 if( WRX_QUEUE_CONTEXT(i)->curr_len ) {
3686 int j = 0;
3687 unsigned char *p_char;
3688 struct rx_descriptor *desc = (struct rx_descriptor *)&(WRX_QUEUE_CONTEXT(i)->curr_des0);
3689 p_char = (unsigned char *)(((unsigned int)desc->dataptr << 2) | KSEG1);
3690 printk(" Data in SDRAM:\n ");
3691
3692 for ( j = 0 ; j < WRX_QUEUE_CONTEXT(i)->curr_len; ++j ) {
3693 printk ("%02x", p_char[j]);
3694 if ( j % 16 == 15 )
3695 printk("\n ");
3696 else if ( j % 4 == 3 )
3697 printk (" ");
3698 }
3699 printk("\n\n");
3700 }
3701 }
3702 if ( !flag ) {
3703 printk("No active wrx queue context\n");
3704 }
3705 }
3706 else if ( stricmp(p, "clear_pb") == 0 ) {
3707 if ( g_retx_playout_buffer )
3708 memset((void *)g_retx_playout_buffer, 0, RETX_PLAYOUT_BUFFER_SIZE);
3709 }
3710 else if ( stricmp(p, "read_bad_dtu_intf_rec") == 0 ) {
3711 struct Retx_adsl_ppe_intf first_dtu_intf, last_dtu_intf;
3712 first_dtu_intf = *FIRST_BAD_REC_RETX_ADSL_PPE_INTF;
3713 last_dtu_intf = *BAD_REC_RETX_ADSL_PPE_INTF;
3714
3715 printk("\nAdsl-PPE Interface for first and last DTU of recent noise:\n\n");
3716 printk(" dtu_sid = 0x%02x [%3u], 0x%02x [%3u]\n",
3717 first_dtu_intf.dtu_sid, first_dtu_intf.dtu_sid,
3718 last_dtu_intf.dtu_sid, last_dtu_intf.dtu_sid);
3719 printk(" dtu_timestamp = 0x%02x , 0x%02x\n",
3720 first_dtu_intf.dtu_timestamp, last_dtu_intf.dtu_timestamp);
3721 printk(" local_time = 0x%02x , 0x%02x\n",
3722 first_dtu_intf.local_time, last_dtu_intf.local_time);
3723 printk(" is_last_cw = %u , %u\n",
3724 first_dtu_intf.is_last_cw, last_dtu_intf.is_last_cw);
3725 printk(" reinit_flag = %u , %u\n",
3726 first_dtu_intf.reinit_flag, last_dtu_intf.reinit_flag);
3727 printk(" is_bad_cw = %u , %u\n\n",
3728 first_dtu_intf.is_bad_cw, last_dtu_intf.is_bad_cw);
3729 }
3730 else if ( stricmp(p, "clear_bad_dtu_intf_rec") == 0 ) {
3731 memset((void *)BAD_REC_RETX_ADSL_PPE_INTF, 0, sizeof(struct Retx_adsl_ppe_intf));
3732 memset((void *)FIRST_BAD_REC_RETX_ADSL_PPE_INTF, 0, sizeof(struct Retx_adsl_ppe_intf));
3733 }
3734 else if ( stricmp(p, "clear_tx_cb") == 0 ) {
3735 unsigned int *dbase0;
3736 unsigned int pnum0;
3737
3738 dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( FFSM_DBA(0)->dbase + 0x2000);
3739 pnum0 = FFSM_CFG(0)->pnum;
3740 memset(dbase0, 0, 14 * sizeof(unsigned int ) * pnum0);
3741 }
3742 else if ( stricmp(p, "clear_rx_cb") == 0 ) {
3743 unsigned int *dbase0, *cbase0, *dbase1, *cbase1;
3744 unsigned int pnum0;
3745
3746 dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(0)->dbase + 0x2000);
3747 cbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(0)->cbase + 0x2000);
3748
3749 dbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(1)->dbase + 0x2000);
3750 cbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(1)->cbase + 0x2000);
3751
3752 pnum0 = SFSM_CFG(0)->pnum;
3753
3754 memset(dbase0, 0, 14 * sizeof(unsigned int ) * pnum0);
3755 memset(cbase0, 0, sizeof(unsigned int ) * pnum0);
3756
3757 memset(dbase1, 0, 14 * sizeof(unsigned int ));
3758 memset(cbase1, 0, sizeof(unsigned int ));
3759 }
3760 else if ( strnicmp(p, "read_tx_cb", 10) == 0 ) {
3761 unsigned int *dbase0;
3762 unsigned int pnum0, i;
3763 unsigned int * cell;
3764
3765 dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( FFSM_DBA(0)->dbase + 0x2000);
3766 pnum0 = FFSM_CFG(0)->pnum;
3767
3768 printk("ATM TX BC 0 CELL data/ctrl buffer:\n\n");
3769 for(i = 0; i < pnum0 ; ++ i) {
3770 cell = dbase0 + i * 14;
3771 printk("cell %2d: %08x %08x\n", i, cell[0], cell[1]);
3772 printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]);
3773 printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]);
3774 printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]);
3775 }
3776 }
3777 else if ( strnicmp(p, "read_rx_cb", 10) == 0 ) {
3778 unsigned int *dbase0, *cbase0, *dbase1, *cbase1;
3779 unsigned int pnum0, i;
3780 unsigned int * cell;
3781
3782 dbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(0)->dbase + 0x2000);
3783 cbase0 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(0)->cbase + 0x2000);
3784
3785 dbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_DBA(1)->dbase + 0x2000);
3786 cbase1 = (unsigned int *)PPM_INT_UNIT_ADDR( SFSM_CBA(1)->cbase + 0x2000);
3787
3788 pnum0 = SFSM_CFG(0)->pnum;
3789
3790 printk("ATM RX BC 0 CELL data/ctrl buffer:\n\n");
3791 for(i = 0; i < pnum0 ; ++ i) {
3792 struct Retx_ctrl_field * p_ctrl;
3793
3794 cell = dbase0 + i * 14;
3795 p_ctrl = (struct Retx_ctrl_field *) ( &cbase0[i]);
3796 printk("cell %2d: %08x %08x -- [%08x]:", i, cell[0], cell[1], cbase0[i]);
3797
3798 printk("l2_drop: %d, retx: %d", p_ctrl->l2_drop, p_ctrl->retx);
3799 if ( p_ctrl->retx ) {
3800 printk(", dtu_sid = %u, cell_sid = %u", p_ctrl->dtu_sid, p_ctrl->cell_sid);
3801 }
3802
3803 printk("\n");
3804
3805 printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]);
3806 printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]);
3807 printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]);
3808 }
3809
3810 printk("\n");
3811 printk("ATM RX BC 1 CELL data/ctrl buffer:\n\n");
3812 cell = dbase1;
3813 printk("cell %2d: %08x %08x -- [%08x]: dtu_sid:%3d, cell_sid:%3d, next_ptr: %4d\n",
3814 0, cell[0], cell[1], cbase0[i], ( cell[1] >> 16) & 0xff, (cell[1] >> 24) & 0xff, cell[1] & 0xffff );
3815 printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]);
3816 printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]);
3817 printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]);
3818 }
3819 else if ( strnicmp(p, "read_pb ", 8) == 0 )
3820 {
3821 int start_cell_idx = 0;
3822 int cell_num = 0;
3823 unsigned int *cell;
3824 unsigned int pb_buff_size = RETX_MODE_CFG->buff_size * 32;
3825
3826 p += 8;
3827 rlen -= 8;
3828 ignore_space(&p, &rlen);
3829
3830 start_cell_idx = get_number(&p, &rlen, 0);
3831 ignore_space(&p, &rlen);
3832 cell_num = get_number(&p, &rlen, 0);
3833
3834 if ( start_cell_idx >= pb_buff_size ) {
3835 printk(" Invalid cell index\n");
3836 }
3837 else {
3838 int i;
3839 if ( cell_num < 0 )
3840 cell_num = 1;
3841
3842 if ( cell_num + start_cell_idx > pb_buff_size )
3843 cell_num = pb_buff_size - start_cell_idx;
3844
3845 for ( i = 0; i < cell_num ; ++i ) {
3846 cell = (unsigned int *)((unsigned int *)g_retx_playout_buffer + (14 * (start_cell_idx + i)));
3847 printk("cell %4d: %08x %08x [next_ptr = %4u, dtu_sid = %3u, cell_sid = %3u]\n",
3848 start_cell_idx + i, cell[0], cell[1], cell[1] & 0xffff, (cell[1] >> 16) & 0xff, (cell[1] >> 24) & 0xff);
3849 printk(" %08x %08x %08x %08x\n", cell[2], cell[3], cell[4], cell[5]);
3850 printk(" %08x %08x %08x %08x\n", cell[6], cell[7], cell[8], cell[9]);
3851 printk(" %08x %08x %08x %08x\n", cell[10], cell[11], cell[12], cell[13]);
3852 }
3853 }
3854 }
3855
3856 return count;
3857 }
3858
3859 static int proc_read_retx_cfg(char *page, char **start, off_t off, int count, int *eof, void *data)
3860 {
3861 int len = 0;
3862
3863 len += sprintf(page + off + len, "ReTX FW Config:\n");
3864 len += sprintf(page + off + len, " RETX_MODE_CFG = 0x%08x, invld_range=%u, buff_size=%u, retx=%u\n", *(volatile unsigned int *)RETX_MODE_CFG, (unsigned int)RETX_MODE_CFG->invld_range, (unsigned int)RETX_MODE_CFG->buff_size * 32, (unsigned int)RETX_MODE_CFG->retx_en);
3865 len += sprintf(page + off + len, " RETX_TSYNC_CFG = 0x%08x, fw_alpha=%u, sync_inp=%u\n", *(volatile unsigned int *)RETX_TSYNC_CFG, (unsigned int)RETX_TSYNC_CFG->fw_alpha, (unsigned int)RETX_TSYNC_CFG->sync_inp);
3866 len += sprintf(page + off + len, " RETX_TD_CFG = 0x%08x, td_max=%u, td_min=%u\n", *(volatile unsigned int *)RETX_TD_CFG, (unsigned int)RETX_TD_CFG->td_max, (unsigned int)RETX_TD_CFG->td_min);
3867 len += sprintf(page + off + len, " RETX_PLAYOUT_BUFFER_BASE = 0x%08x\n", *RETX_PLAYOUT_BUFFER_BASE);
3868 len += sprintf(page + off + len, " RETX_SERVICE_HEADER_CFG = 0x%08x\n", *RETX_SERVICE_HEADER_CFG);
3869 len += sprintf(page + off + len, " RETX_MASK_HEADER_CFG = 0x%08x\n", *RETX_MASK_HEADER_CFG);
3870 len += sprintf(page + off + len, " RETX_MIB_TIMER_CFG = 0x%08x, tick_cycle = %d, ticks_per_sec = %d\n",
3871 *(unsigned int *)RETX_MIB_TIMER_CFG, RETX_MIB_TIMER_CFG->tick_cycle, RETX_MIB_TIMER_CFG->ticks_per_sec);
3872
3873 *eof = 1;
3874
3875 return len;
3876 }
3877
3878 static int proc_write_retx_cfg(struct file *file, const char *buf, unsigned long count, void *data)
3879 {
3880 char *p1, *p2;
3881 int len;
3882 int colon;
3883 char local_buf[1024];
3884 char *tokens[4] = {0};
3885 unsigned int token_num = 0;
3886
3887 len = sizeof(local_buf) < count ? sizeof(local_buf) - 1 : count;
3888 len = len - copy_from_user(local_buf, buf, len);
3889 local_buf[len] = 0;
3890
3891 p1 = local_buf;
3892 colon = 0;
3893 while ( token_num < NUM_ENTITY(tokens) && get_token(&p1, &p2, &len, &colon) ) {
3894 tokens[token_num++] = p1;
3895
3896 p1 = p2;
3897 }
3898
3899 if ( token_num > 0 ) {
3900 if ( stricmp(tokens[0], "help") == 0 ) {
3901 printk("echo help > /proc/driver/ifx_atm/retx_cfg ==> \n\tprint this help message\n\n");
3902
3903 printk("echo set retx <enable|disable|0|1|on|off> > /proc/driver/ifx_atm/retx_cfg\n");
3904 printk("\t:enable or disable retx feature\n\n");
3905
3906 printk("echo set <td_max|td_min|fw_alpha|sync_inp|invld_range|buff_size> <number> > /proc/driver/ifx_atm/retx_cfg\n");
3907 printk("\t: set td_max, td_min, fw_alpha, sync_inp, invalid_range, buff_size\n\n");
3908
3909 printk("echo set <service_header|service_mask> <hex_number> /proc/driver/ifx_atm/retx_cfg \n");
3910 printk("\t: set service_header, service_mask\n\n");
3911 }
3912 else if ( stricmp(tokens[0], "set") == 0 && token_num >= 3 ) {
3913
3914 if ( stricmp(tokens[1], "retx") == 0 ) {
3915 if ( stricmp(tokens[2], "enable") == 0 ||
3916 stricmp(tokens[2], "on") == 0 ||
3917 stricmp(tokens[2], "1") == 0 )
3918 RETX_MODE_CFG->retx_en = 1;
3919 else if ( stricmp(tokens[2], "disable") == 0 ||
3920 stricmp(tokens[2], "off") == 0 ||
3921 stricmp(tokens[2], "0") == 0 )
3922 RETX_MODE_CFG->retx_en = 0;
3923 printk("RETX_MODE_CFG->retx_en - %d\n", RETX_MODE_CFG->retx_en);
3924 }
3925 else {
3926 unsigned int dec_val, hex_val;
3927
3928 p1 = tokens[2];
3929 dec_val = (unsigned int)get_number(&p1, NULL, 0);
3930 p2 = tokens[2];
3931 hex_val = (unsigned int)get_number(&p2, NULL, 1);
3932
3933 if ( *p2 == 0 ) {
3934 if ( stricmp(tokens[1], "service_header") == 0 ) {
3935 *RETX_SERVICE_HEADER_CFG = hex_val;
3936 printk("RETX_SERVICE_HEADER_CFG - 0x%08x\n", *RETX_SERVICE_HEADER_CFG);
3937 }
3938 else if ( stricmp(tokens[1], "service_mask") == 0 ) {
3939 *RETX_MASK_HEADER_CFG = hex_val;
3940 printk("RETX_MASK_HEADER_CFG - 0x%08x\n", *RETX_MASK_HEADER_CFG);
3941 }
3942 }
3943 if ( *p1 == 0 ) {
3944 if ( stricmp(tokens[1], "td_max") == 0 ) {
3945 (unsigned int)RETX_TD_CFG->td_max = (dec_val >= 0xff ? 0Xff : dec_val);
3946 printk("RETX_TD_CFG->td_max - %d\n", RETX_TD_CFG->td_max);
3947 }
3948 else if ( stricmp(tokens[1], "td_min") == 0 ) {
3949 (unsigned int)RETX_TD_CFG->td_min = (dec_val >= 0xff ? 0Xff : dec_val);
3950 printk("RETX_TD_CFG->td_min - %d\n", RETX_TD_CFG->td_min);
3951 }
3952 else if ( stricmp(tokens[1], "fw_alpha") == 0 ) {
3953 RETX_TSYNC_CFG->fw_alpha = dec_val >= 0x7FFE ? 0X7EEE : dec_val;
3954 printk("RETX_TSYNC_CFG->fw_alpha - %d\n", RETX_TSYNC_CFG->fw_alpha);
3955 }
3956 else if ( stricmp(tokens[1], "sync_inp") == 0 ) {
3957 RETX_TSYNC_CFG->sync_inp = dec_val >= 0x7FFE ? 0X7EEE : dec_val;
3958 printk("RETX_TSYNC_CFG->sync_inp - %d\n", RETX_TSYNC_CFG->sync_inp);
3959 }
3960 else if ( stricmp(tokens[1], "invld_range") == 0 ) {
3961 RETX_MODE_CFG->invld_range = dec_val >= 250 ? 250 : dec_val;
3962 printk("RETX_MODE_CFG->invld_range - %d\n", RETX_MODE_CFG->invld_range);
3963 }
3964 else if ( stricmp(tokens[1], "buff_size") == 0 ) {
3965 dec_val = (dec_val + 31) / 32;
3966 RETX_MODE_CFG->buff_size = dec_val >= 4096 / 32 ? 4096 / 32 : dec_val;
3967 printk("RETX_MODE_CFG->buff_size - %d\n", RETX_MODE_CFG->buff_size);
3968 }
3969 }
3970 }
3971
3972 }
3973 }
3974
3975 return count;
3976 }
3977
3978 static int proc_read_retx_dsl_param(char *page, char **start, off_t off, int count, int *eof, void *data)
3979 {
3980 int len = 0;
3981
3982 len += sprintf(page + off + len, "DSL Param [timestamp %ld.%ld]:\n", g_retx_polling_start.tv_sec, g_retx_polling_start.tv_usec);
3983
3984 if ( g_xdata_addr == NULL )
3985 len += sprintf(page + off + len, " DSL parameters not available !\n");
3986 else {
3987 volatile struct dsl_param *p_dsl_param = (volatile struct dsl_param *)g_xdata_addr;
3988
3989 len += sprintf(page + off + len, " update_flag = %u\n", p_dsl_param->update_flag);
3990 len += sprintf(page + off + len, " MinDelayrt = %u\n", p_dsl_param->MinDelayrt);
3991 len += sprintf(page + off + len, " MaxDelayrt = %u\n", p_dsl_param->MaxDelayrt);
3992 len += sprintf(page + off + len, " RetxEnable = %u\n", p_dsl_param->RetxEnable);
3993 len += sprintf(page + off + len, " ServiceSpecificReTx = %u\n", p_dsl_param->ServiceSpecificReTx);
3994 len += sprintf(page + off + len, " ReTxPVC = 0x%08x\n", p_dsl_param->ReTxPVC);
3995 len += sprintf(page + off + len, " RxDtuCorruptedCNT = %u\n", p_dsl_param->RxDtuCorruptedCNT);
3996 len += sprintf(page + off + len, " RxRetxDtuUnCorrectedCNT = %u\n", p_dsl_param->RxRetxDtuUnCorrectedCNT);
3997 len += sprintf(page + off + len, " RxLastEFB = %u\n", p_dsl_param->RxLastEFB);
3998 len += sprintf(page + off + len, " RxDtuCorrectedCNT = %u\n", p_dsl_param->RxDtuCorrectedCNT);
3999 }
4000 if ( g_retx_polling_end.tv_sec != 0 || g_retx_polling_end.tv_usec != 0 ) {
4001 unsigned long polling_time_usec;
4002
4003 polling_time_usec = (g_retx_polling_end.tv_sec - g_retx_polling_start.tv_sec) * 1000000 + (g_retx_polling_end.tv_usec - g_retx_polling_start.tv_usec);
4004 len += sprintf(page + off + len, "DSL Param Update Time: %lu.%03lums\n", polling_time_usec / 1000, polling_time_usec % 1000);
4005 }
4006
4007 return len;
4008 }
4009
4010 #endif
4011
4012 #endif
4013
4014 static int stricmp(const char *p1, const char *p2)
4015 {
4016 int c1, c2;
4017
4018 while ( *p1 && *p2 ) {
4019 c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1;
4020 c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2;
4021 if ( (c1 -= c2) )
4022 return c1;
4023 p1++;
4024 p2++;
4025 }
4026
4027 return *p1 - *p2;
4028 }
4029
4030 #if defined(ENABLE_DBG_PROC) && ENABLE_DBG_PROC
4031
4032 static int strincmp(const char *p1, const char *p2, int n)
4033 {
4034 int c1 = 0, c2;
4035
4036 while ( n && *p1 && *p2 ) {
4037 c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1;
4038 c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2;
4039 if ( (c1 -= c2) )
4040 return c1;
4041 p1++;
4042 p2++;
4043 n--;
4044 }
4045
4046 return n ? *p1 - *p2 : c1;
4047 }
4048
4049 static int get_token(char **p1, char **p2, int *len, int *colon)
4050 {
4051 int tlen = 0;
4052
4053 while ( *len && !((**p1 >= 'A' && **p1 <= 'Z') || (**p1 >= 'a' && **p1<= 'z') || (**p1 >= '0' && **p1<= '9')) )
4054 {
4055 (*p1)++;
4056 (*len)--;
4057 }
4058 if ( !*len )
4059 return 0;
4060
4061 if ( *colon )
4062 {
4063 *colon = 0;
4064 *p2 = *p1;
4065 while ( *len && **p2 > ' ' && **p2 != ',' )
4066 {
4067 if ( **p2 == ':' )
4068 {
4069 *colon = 1;
4070 break;
4071 }
4072 (*p2)++;
4073 (*len)--;
4074 tlen++;
4075 }
4076 **p2 = 0;
4077 }
4078 else
4079 {
4080 *p2 = *p1;
4081 while ( *len && **p2 > ' ' && **p2 != ',' )
4082 {
4083 (*p2)++;
4084 (*len)--;
4085 tlen++;
4086 }
4087 **p2 = 0;
4088 }
4089
4090 return tlen;
4091 }
4092
4093 static unsigned int get_number(char **p, int *len, int is_hex)
4094 {
4095 unsigned int ret = 0;
4096 unsigned int n = 0;
4097
4098 if ( (*p)[0] == '0' && (*p)[1] == 'x' )
4099 {
4100 is_hex = 1;
4101 (*p) += 2;
4102 if ( len )
4103 (*len) -= 2;
4104 }
4105
4106 if ( is_hex )
4107 {
4108 while ( (!len || *len) && ((**p >= '0' && **p <= '9') || (**p >= 'a' && **p <= 'f') || (**p >= 'A' && **p <= 'F')) )
4109 {
4110 if ( **p >= '0' && **p <= '9' )
4111 n = **p - '0';
4112 else if ( **p >= 'a' && **p <= 'f' )
4113 n = **p - 'a' + 10;
4114 else if ( **p >= 'A' && **p <= 'F' )
4115 n = **p - 'A' + 10;
4116 ret = (ret << 4) | n;
4117 (*p)++;
4118 if ( len )
4119 (*len)--;
4120 }
4121 }
4122 else
4123 {
4124 while ( (!len || *len) && **p >= '0' && **p <= '9' )
4125 {
4126 n = **p - '0';
4127 ret = ret * 10 + n;
4128 (*p)++;
4129 if ( len )
4130 (*len)--;
4131 }
4132 }
4133
4134 return ret;
4135 }
4136
4137 static void ignore_space(char **p, int *len)
4138 {
4139 while ( *len && (**p <= ' ' || **p == ':' || **p == '.' || **p == ',') )
4140 {
4141 (*p)++;
4142 (*len)--;
4143 }
4144 }
4145
4146 #endif
4147
4148 static INLINE int ifx_atm_version(char *buf)
4149 {
4150 int len = 0;
4151 unsigned int major, minor;
4152
4153 ifx_atm_get_fw_ver(&major, &minor);
4154
4155 len += sprintf(buf + len, " ATM (A1) firmware version %d.%d.%d\n", IFX_ATM_VER_MAJOR, IFX_ATM_VER_MID,IFX_ATM_VER_MINOR);
4156
4157 return len;
4158 }
4159
4160 static INLINE void check_parameters(void)
4161 {
4162 /* Please refer to Amazon spec 15.4 for setting these values. */
4163 if ( qsb_tau < 1 )
4164 qsb_tau = 1;
4165 if ( qsb_tstep < 1 )
4166 qsb_tstep = 1;
4167 else if ( qsb_tstep > 4 )
4168 qsb_tstep = 4;
4169 else if ( qsb_tstep == 3 )
4170 qsb_tstep = 2;
4171
4172 /* There is a delay between PPE write descriptor and descriptor is */
4173 /* really stored in memory. Host also has this delay when writing */
4174 /* descriptor. So PPE will use this value to determine if the write */
4175 /* operation makes effect. */
4176 if ( write_descriptor_delay < 0 )
4177 write_descriptor_delay = 0;
4178
4179 if ( aal5_fill_pattern < 0 )
4180 aal5_fill_pattern = 0;
4181 else
4182 aal5_fill_pattern &= 0xFF;
4183
4184 /* Because of the limitation of length field in descriptors, the packet */
4185 /* size could not be larger than 64K minus overhead size. */
4186 if ( aal5r_max_packet_size < 0 )
4187 aal5r_max_packet_size = 0;
4188 else if ( aal5r_max_packet_size >= 65535 - MAX_RX_FRAME_EXTRA_BYTES )
4189 aal5r_max_packet_size = 65535 - MAX_RX_FRAME_EXTRA_BYTES;
4190 if ( aal5r_min_packet_size < 0 )
4191 aal5r_min_packet_size = 0;
4192 else if ( aal5r_min_packet_size > aal5r_max_packet_size )
4193 aal5r_min_packet_size = aal5r_max_packet_size;
4194 if ( aal5s_max_packet_size < 0 )
4195 aal5s_max_packet_size = 0;
4196 else if ( aal5s_max_packet_size >= 65535 - MAX_TX_FRAME_EXTRA_BYTES )
4197 aal5s_max_packet_size = 65535 - MAX_TX_FRAME_EXTRA_BYTES;
4198 if ( aal5s_min_packet_size < 0 )
4199 aal5s_min_packet_size = 0;
4200 else if ( aal5s_min_packet_size > aal5s_max_packet_size )
4201 aal5s_min_packet_size = aal5s_max_packet_size;
4202
4203 if ( dma_rx_descriptor_length < 2 )
4204 dma_rx_descriptor_length = 2;
4205 if ( dma_tx_descriptor_length < 2 )
4206 dma_tx_descriptor_length = 2;
4207 if ( dma_rx_clp1_descriptor_threshold < 0 )
4208 dma_rx_clp1_descriptor_threshold = 0;
4209 else if ( dma_rx_clp1_descriptor_threshold > dma_rx_descriptor_length )
4210 dma_rx_clp1_descriptor_threshold = dma_rx_descriptor_length;
4211
4212 if ( dma_tx_descriptor_length < 2 )
4213 dma_tx_descriptor_length = 2;
4214 }
4215
4216 static INLINE int init_priv_data(void)
4217 {
4218 void *p;
4219 int i;
4220 struct rx_descriptor rx_desc = {0};
4221 struct sk_buff *skb;
4222 volatile struct tx_descriptor *p_tx_desc;
4223 struct sk_buff **ppskb;
4224
4225 // clear atm private data structure
4226 memset(&g_atm_priv_data, 0, sizeof(g_atm_priv_data));
4227
4228 // allocate memory for RX (AAL) descriptors
4229 p = kzalloc(dma_rx_descriptor_length * sizeof(struct rx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL);
4230 if ( p == NULL )
4231 return IFX_ERROR;
4232 dma_cache_wback_inv((unsigned long)p, dma_rx_descriptor_length * sizeof(struct rx_descriptor) + DESC_ALIGNMENT);
4233 g_atm_priv_data.aal_desc_base = p;
4234 p = (void *)((((unsigned int)p + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1);
4235 g_atm_priv_data.aal_desc = (volatile struct rx_descriptor *)p;
4236
4237 // allocate memory for RX (OAM) descriptors
4238 p = kzalloc(RX_DMA_CH_OAM_DESC_LEN * sizeof(struct rx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL);
4239 if ( p == NULL )
4240 return IFX_ERROR;
4241 dma_cache_wback_inv((unsigned long)p, RX_DMA_CH_OAM_DESC_LEN * sizeof(struct rx_descriptor) + DESC_ALIGNMENT);
4242 g_atm_priv_data.oam_desc_base = p;
4243 p = (void *)((((unsigned int)p + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1);
4244 g_atm_priv_data.oam_desc = (volatile struct rx_descriptor *)p;
4245
4246 // allocate memory for RX (OAM) buffer
4247 p = kzalloc(RX_DMA_CH_OAM_DESC_LEN * RX_DMA_CH_OAM_BUF_SIZE + DATA_BUFFER_ALIGNMENT, GFP_KERNEL);
4248 if ( p == NULL )
4249 return IFX_ERROR;
4250 dma_cache_wback_inv((unsigned long)p, RX_DMA_CH_OAM_DESC_LEN * RX_DMA_CH_OAM_BUF_SIZE + DATA_BUFFER_ALIGNMENT);
4251 g_atm_priv_data.oam_buf_base = p;
4252 p = (void *)(((unsigned int)p + DATA_BUFFER_ALIGNMENT - 1) & ~(DATA_BUFFER_ALIGNMENT - 1));
4253 g_atm_priv_data.oam_buf = p;
4254
4255 // allocate memory for TX descriptors
4256 p = kzalloc(MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct tx_descriptor) + DESC_ALIGNMENT, GFP_KERNEL);
4257 if ( p == NULL )
4258 return IFX_ERROR;
4259 dma_cache_wback_inv((unsigned long)p, MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct tx_descriptor) + DESC_ALIGNMENT);
4260 g_atm_priv_data.tx_desc_base = p;
4261
4262 // allocate memory for TX skb pointers
4263 p = kzalloc(MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct sk_buff *) + 4, GFP_KERNEL);
4264 if ( p == NULL )
4265 return IFX_ERROR;
4266 dma_cache_wback_inv((unsigned long)p, MAX_PVC_NUMBER * dma_tx_descriptor_length * sizeof(struct sk_buff *) + 4);
4267 g_atm_priv_data.tx_skb_base = p;
4268
4269 // setup RX (AAL) descriptors
4270 rx_desc.own = 1;
4271 rx_desc.c = 0;
4272 rx_desc.sop = 1;
4273 rx_desc.eop = 1;
4274 rx_desc.byteoff = 0;
4275 rx_desc.id = 0;
4276 rx_desc.err = 0;
4277 rx_desc.datalen = RX_DMA_CH_AAL_BUF_SIZE;
4278 for ( i = 0; i < dma_rx_descriptor_length; i++ ) {
4279 skb = alloc_skb_rx();
4280 if ( skb == NULL )
4281 return IFX_ERROR;
4282 rx_desc.dataptr = ((unsigned int)skb->data >> 2) & 0x0FFFFFFF;
4283 g_atm_priv_data.aal_desc[i] = rx_desc;
4284 }
4285
4286 // setup RX (OAM) descriptors
4287 p = (void *)((unsigned int)g_atm_priv_data.oam_buf | KSEG1);
4288 rx_desc.own = 1;
4289 rx_desc.c = 0;
4290 rx_desc.sop = 1;
4291 rx_desc.eop = 1;
4292 rx_desc.byteoff = 0;
4293 rx_desc.id = 0;
4294 rx_desc.err = 0;
4295 rx_desc.datalen = RX_DMA_CH_OAM_BUF_SIZE;
4296 for ( i = 0; i < RX_DMA_CH_OAM_DESC_LEN; i++ ) {
4297 rx_desc.dataptr = ((unsigned int)p >> 2) & 0x0FFFFFFF;
4298 g_atm_priv_data.oam_desc[i] = rx_desc;
4299 p = (void *)((unsigned int)p + RX_DMA_CH_OAM_BUF_SIZE);
4300 }
4301
4302 // setup TX descriptors and skb pointers
4303 p_tx_desc = (volatile struct tx_descriptor *)((((unsigned int)g_atm_priv_data.tx_desc_base + DESC_ALIGNMENT - 1) & ~(DESC_ALIGNMENT - 1)) | KSEG1);
4304 ppskb = (struct sk_buff **)(((unsigned int)g_atm_priv_data.tx_skb_base + 3) & ~3);
4305 for ( i = 0; i < MAX_PVC_NUMBER; i++ ) {
4306 g_atm_priv_data.conn[i].tx_desc = &p_tx_desc[i * dma_tx_descriptor_length];
4307 g_atm_priv_data.conn[i].tx_skb = &ppskb[i * dma_tx_descriptor_length];
4308 }
4309
4310 for ( i = 0; i < ATM_PORT_NUMBER; i++ )
4311 g_atm_priv_data.port[i].tx_max_cell_rate = DEFAULT_TX_LINK_RATE;
4312
4313 return IFX_SUCCESS;
4314 }
4315
4316 static INLINE void clear_priv_data(void)
4317 {
4318 int i, j;
4319 struct sk_buff *skb;
4320
4321 for ( i = 0; i < MAX_PVC_NUMBER; i++ ) {
4322 if ( g_atm_priv_data.conn[i].tx_skb != NULL ) {
4323 for ( j = 0; j < dma_tx_descriptor_length; j++ )
4324 if ( g_atm_priv_data.conn[i].tx_skb[j] != NULL )
4325 dev_kfree_skb_any(g_atm_priv_data.conn[i].tx_skb[j]);
4326 }
4327 }
4328
4329 if ( g_atm_priv_data.tx_skb_base != NULL )
4330 kfree(g_atm_priv_data.tx_skb_base);
4331
4332 if ( g_atm_priv_data.tx_desc_base != NULL )
4333 kfree(g_atm_priv_data.tx_desc_base);
4334
4335 if ( g_atm_priv_data.oam_buf_base != NULL )
4336 kfree(g_atm_priv_data.oam_buf_base);
4337
4338 if ( g_atm_priv_data.oam_desc_base != NULL )
4339 kfree(g_atm_priv_data.oam_desc_base);
4340
4341 if ( g_atm_priv_data.aal_desc_base != NULL ) {
4342 for ( i = 0; i < dma_rx_descriptor_length; i++ ) {
4343 if ( g_atm_priv_data.aal_desc[i].sop || g_atm_priv_data.aal_desc[i].eop ) { // descriptor initialized
4344 skb = get_skb_rx_pointer(g_atm_priv_data.aal_desc[i].dataptr);
4345 dev_kfree_skb_any(skb);
4346 }
4347 }
4348 kfree(g_atm_priv_data.aal_desc_base);
4349 }
4350 }
4351
4352 static INLINE void init_rx_tables(void)
4353 {
4354 int i;
4355 struct wrx_queue_config wrx_queue_config = {0};
4356 struct wrx_dma_channel_config wrx_dma_channel_config = {0};
4357 struct htu_entry htu_entry = {0};
4358 struct htu_result htu_result = {0};
4359 struct htu_mask htu_mask = { set: 0x01,
4360 clp: 0x01,
4361 pid_mask: 0x00,
4362 vpi_mask: 0x00,
4363 vci_mask: 0x00,
4364 pti_mask: 0x00,
4365 clear: 0x00};
4366
4367 /*
4368 * General Registers
4369 */
4370 *CFG_WRX_HTUTS = MAX_PVC_NUMBER + OAM_HTU_ENTRY_NUMBER;
4371 #ifndef CONFIG_AMAZON_SE
4372 *CFG_WRX_QNUM = MAX_QUEUE_NUMBER;
4373 #endif
4374 *CFG_WRX_DCHNUM = RX_DMA_CH_TOTAL;
4375 *WRX_DMACH_ON = (1 << RX_DMA_CH_TOTAL) - 1;
4376 *WRX_HUNT_BITTH = DEFAULT_RX_HUNT_BITTH;
4377
4378 /*
4379 * WRX Queue Configuration Table
4380 */
4381 wrx_queue_config.uumask = 0;
4382 wrx_queue_config.cpimask = 0;
4383 wrx_queue_config.uuexp = 0;
4384 wrx_queue_config.cpiexp = 0;
4385 wrx_queue_config.mfs = aal5r_max_packet_size;
4386 wrx_queue_config.oversize = aal5r_max_packet_size;
4387 wrx_queue_config.undersize = aal5r_min_packet_size;
4388 wrx_queue_config.errdp = aal5r_drop_error_packet;
4389 wrx_queue_config.dmach = RX_DMA_CH_AAL;
4390 for ( i = 0; i < MAX_QUEUE_NUMBER; i++ )
4391 *WRX_QUEUE_CONFIG(i) = wrx_queue_config;
4392 WRX_QUEUE_CONFIG(OAM_RX_QUEUE)->dmach = RX_DMA_CH_OAM;
4393
4394 /*
4395 * WRX DMA Channel Configuration Table
4396 */
4397 wrx_dma_channel_config.chrl = 0;
4398 wrx_dma_channel_config.clp1th = dma_rx_clp1_descriptor_threshold;
4399 wrx_dma_channel_config.mode = 0;
4400 wrx_dma_channel_config.rlcfg = 0;
4401
4402 wrx_dma_channel_config.deslen = RX_DMA_CH_OAM_DESC_LEN;
4403 wrx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.oam_desc >> 2) & 0x0FFFFFFF;
4404 *WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_OAM) = wrx_dma_channel_config;
4405
4406 wrx_dma_channel_config.deslen = dma_rx_descriptor_length;
4407 wrx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.aal_desc >> 2) & 0x0FFFFFFF;
4408 *WRX_DMA_CHANNEL_CONFIG(RX_DMA_CH_AAL) = wrx_dma_channel_config;
4409
4410 /*
4411 * HTU Tables
4412 */
4413 for ( i = 0; i < MAX_PVC_NUMBER; i++ )
4414 {
4415 htu_result.qid = (unsigned int)i;
4416
4417 *HTU_ENTRY(i + OAM_HTU_ENTRY_NUMBER) = htu_entry;
4418 *HTU_MASK(i + OAM_HTU_ENTRY_NUMBER) = htu_mask;
4419 *HTU_RESULT(i + OAM_HTU_ENTRY_NUMBER) = htu_result;
4420 }
4421 /* OAM HTU Entry */
4422 htu_entry.vci = 0x03;
4423 htu_mask.pid_mask = 0x03;
4424 htu_mask.vpi_mask = 0xFF;
4425 htu_mask.vci_mask = 0x0000;
4426 htu_mask.pti_mask = 0x07;
4427 htu_result.cellid = OAM_RX_QUEUE;
4428 htu_result.type = 1;
4429 htu_result.ven = 1;
4430 htu_result.qid = OAM_RX_QUEUE;
4431 *HTU_RESULT(OAM_F4_SEG_HTU_ENTRY) = htu_result;
4432 *HTU_MASK(OAM_F4_SEG_HTU_ENTRY) = htu_mask;
4433 *HTU_ENTRY(OAM_F4_SEG_HTU_ENTRY) = htu_entry;
4434 htu_entry.vci = 0x04;
4435 htu_result.cellid = OAM_RX_QUEUE;
4436 htu_result.type = 1;
4437 htu_result.ven = 1;
4438 htu_result.qid = OAM_RX_QUEUE;
4439 *HTU_RESULT(OAM_F4_TOT_HTU_ENTRY) = htu_result;
4440 *HTU_MASK(OAM_F4_TOT_HTU_ENTRY) = htu_mask;
4441 *HTU_ENTRY(OAM_F4_TOT_HTU_ENTRY) = htu_entry;
4442 htu_entry.vci = 0x00;
4443 htu_entry.pti = 0x04;
4444 htu_mask.vci_mask = 0xFFFF;
4445 htu_mask.pti_mask = 0x01;
4446 htu_result.cellid = OAM_RX_QUEUE;
4447 htu_result.type = 1;
4448 htu_result.ven = 1;
4449 htu_result.qid = OAM_RX_QUEUE;
4450 *HTU_RESULT(OAM_F5_HTU_ENTRY) = htu_result;
4451 *HTU_MASK(OAM_F5_HTU_ENTRY) = htu_mask;
4452 *HTU_ENTRY(OAM_F5_HTU_ENTRY) = htu_entry;
4453 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
4454 htu_entry.pid = 0x0;
4455 htu_entry.vpi = 0x01;
4456 htu_entry.vci = 0x0001;
4457 htu_entry.pti = 0x00;
4458 htu_mask.pid_mask = 0x0;
4459 htu_mask.vpi_mask = 0x00;
4460 htu_mask.vci_mask = 0x0000;
4461 htu_mask.pti_mask = 0x3;
4462 htu_result.cellid = OAM_RX_QUEUE;
4463 htu_result.type = 1;
4464 htu_result.ven = 1;
4465 htu_result.qid = OAM_RX_QUEUE;
4466 *HTU_RESULT(OAM_ARQ_HTU_ENTRY) = htu_result;
4467 *HTU_MASK(OAM_ARQ_HTU_ENTRY) = htu_mask;
4468 *HTU_ENTRY(OAM_ARQ_HTU_ENTRY) = htu_entry;
4469 #endif
4470 }
4471
4472 static INLINE void init_tx_tables(void)
4473 {
4474 int i;
4475 struct wtx_queue_config wtx_queue_config = {0};
4476 struct wtx_dma_channel_config wtx_dma_channel_config = {0};
4477 struct wtx_port_config wtx_port_config = { res1: 0,
4478 qid: 0,
4479 qsben: 1};
4480
4481 /*
4482 * General Registers
4483 */
4484 *CFG_WTX_DCHNUM = MAX_TX_DMA_CHANNEL_NUMBER;
4485 *WTX_DMACH_ON = ((1 << MAX_TX_DMA_CHANNEL_NUMBER) - 1) ^ ((1 << FIRST_QSB_QID) - 1);
4486 *CFG_WRDES_DELAY = write_descriptor_delay;
4487
4488 /*
4489 * WTX Port Configuration Table
4490 */
4491 for ( i = 0; i < ATM_PORT_NUMBER; i++ )
4492 *WTX_PORT_CONFIG(i) = wtx_port_config;
4493
4494 /*
4495 * WTX Queue Configuration Table
4496 */
4497 wtx_queue_config.qsben = 1;
4498 wtx_queue_config.sbid = 0;
4499 for ( i = 0; i < MAX_TX_DMA_CHANNEL_NUMBER; i++ ) {
4500 wtx_queue_config.qsb_vcid = i;
4501 *WTX_QUEUE_CONFIG(i) = wtx_queue_config;
4502 }
4503
4504 /*
4505 * WTX DMA Channel Configuration Table
4506 */
4507 wtx_dma_channel_config.mode = 0;
4508 wtx_dma_channel_config.deslen = 0;
4509 wtx_dma_channel_config.desba = 0;
4510 for ( i = 0; i < FIRST_QSB_QID; i++ )
4511 *WTX_DMA_CHANNEL_CONFIG(i) = wtx_dma_channel_config;
4512 /* normal connection */
4513 wtx_dma_channel_config.deslen = dma_tx_descriptor_length;
4514 for ( ; i < MAX_TX_DMA_CHANNEL_NUMBER ; i++ ) {
4515 wtx_dma_channel_config.desba = ((unsigned int)g_atm_priv_data.conn[i - FIRST_QSB_QID].tx_desc >> 2) & 0x0FFFFFFF;
4516 *WTX_DMA_CHANNEL_CONFIG(i) = wtx_dma_channel_config;
4517 }
4518 }
4519
4520
4521
4522 /*
4523 * ####################################
4524 * Global Function
4525 * ####################################
4526 */
4527
4528 static int atm_showtime_enter(struct port_cell_info *port_cell, void *xdata_addr)
4529 {
4530 int i, j;
4531
4532 ASSERT(port_cell != NULL, "port_cell is NULL");
4533 ASSERT(xdata_addr != NULL, "xdata_addr is NULL");
4534
4535 for ( j = 0; j < ATM_PORT_NUMBER && j < port_cell->port_num; j++ )
4536 if ( port_cell->tx_link_rate[j] > 0 )
4537 break;
4538 for ( i = 0; i < ATM_PORT_NUMBER && i < port_cell->port_num; i++ )
4539 g_atm_priv_data.port[i].tx_max_cell_rate = port_cell->tx_link_rate[i] > 0 ? port_cell->tx_link_rate[i] : port_cell->tx_link_rate[j];
4540
4541 qsb_global_set();
4542
4543 for ( i = 0; i < MAX_PVC_NUMBER; i++ )
4544 if ( g_atm_priv_data.conn[i].vcc != NULL )
4545 set_qsb(g_atm_priv_data.conn[i].vcc, &g_atm_priv_data.conn[i].vcc->qos, i);
4546
4547 // TODO: ReTX set xdata_addr
4548 g_xdata_addr = xdata_addr;
4549
4550 g_showtime = 1;
4551
4552 #if defined(CONFIG_VR9)
4553 IFX_REG_W32(0x0F, UTP_CFG);
4554 #endif
4555
4556 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
4557 if ( !timer_pending(&g_retx_polling_timer) ) {
4558 g_retx_polling_cnt = HZ;
4559 g_retx_polling_timer.expires = jiffies + RETX_POLLING_INTERVAL;
4560 add_timer(&g_retx_polling_timer);
4561 }
4562 #endif
4563
4564 //printk("enter showtime, cell rate: 0 - %d, 1 - %d, xdata addr: 0x%08x\n", g_atm_priv_data.port[0].tx_max_cell_rate, g_atm_priv_data.port[1].tx_max_cell_rate, (unsigned int)g_xdata_addr);
4565
4566 return IFX_SUCCESS;
4567 }
4568
4569 static int atm_showtime_exit(void)
4570 {
4571 if ( !g_showtime )
4572 return IFX_ERROR;
4573
4574 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
4575 RETX_MODE_CFG->retx_en = 0; // disable ReTX
4576 del_timer(&g_retx_polling_timer);
4577 #endif
4578
4579 #if defined(CONFIG_VR9)
4580 IFX_REG_W32(0x00, UTP_CFG);
4581 #endif
4582
4583 g_showtime = 0;
4584
4585 // TODO: ReTX clean state
4586 g_xdata_addr = NULL;
4587
4588 printk("leave showtime\n");
4589
4590 return IFX_SUCCESS;
4591 }
4592
4593
4594
4595 /*
4596 * ####################################
4597 * Init/Cleanup API
4598 * ####################################
4599 */
4600
4601 /*
4602 * Description:
4603 * Initialize global variables, PP32, comunication structures, register IRQ
4604 * and register device.
4605 * Input:
4606 * none
4607 * Output:
4608 * 0 --- successful
4609 * else --- failure, usually it is negative value of error code
4610 */
4611 static int __devinit ifx_atm_init(void)
4612 {
4613 int ret;
4614 int port_num;
4615 struct port_cell_info port_cell = {0};
4616 int i, j;
4617 char ver_str[256];
4618
4619 check_parameters();
4620
4621 ret = init_priv_data();
4622 if ( ret != IFX_SUCCESS ) {
4623 err("INIT_PRIV_DATA_FAIL");
4624 goto INIT_PRIV_DATA_FAIL;
4625 }
4626
4627 ifx_atm_init_chip();
4628 init_rx_tables();
4629 init_tx_tables();
4630
4631 /* create devices */
4632 for ( port_num = 0; port_num < ATM_PORT_NUMBER; port_num++ ) {
4633 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
4634 g_atm_priv_data.port[port_num].dev = atm_dev_register("ifxmips_atm", &g_ifx_atm_ops, -1, NULL);
4635 #else
4636 g_atm_priv_data.port[port_num].dev = atm_dev_register("ifxmips_atm", NULL, &g_ifx_atm_ops, -1, NULL);
4637 #endif
4638
4639 if ( !g_atm_priv_data.port[port_num].dev ) {
4640 err("failed to register atm device %d!", port_num);
4641 ret = -EIO;
4642 goto ATM_DEV_REGISTER_FAIL;
4643 }
4644 else {
4645 g_atm_priv_data.port[port_num].dev->ci_range.vpi_bits = 8;
4646 g_atm_priv_data.port[port_num].dev->ci_range.vci_bits = 16;
4647 g_atm_priv_data.port[port_num].dev->link_rate = g_atm_priv_data.port[port_num].tx_max_cell_rate;
4648 g_atm_priv_data.port[port_num].dev->dev_data = (void*)port_num;
4649 }
4650 }
4651
4652 /* register interrupt handler */
4653 ret = request_irq(PPE_MAILBOX_IGU1_INT, mailbox_irq_handler, IRQF_DISABLED, "atm_mailbox_isr", &g_atm_priv_data);
4654 if ( ret ) {
4655 if ( ret == -EBUSY ) {
4656 err("IRQ may be occupied by other driver, please reconfig to disable it.");
4657 }
4658 else {
4659 err("request_irq fail");
4660 }
4661 goto REQUEST_IRQ_PPE_MAILBOX_IGU1_INT_FAIL;
4662 }
4663 disable_irq(PPE_MAILBOX_IGU1_INT);
4664
4665 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
4666 init_atm_tc_retrans_param();
4667
4668 init_timer(&g_retx_polling_timer);
4669 g_retx_polling_timer.function = retx_polling_func;
4670 #endif
4671
4672 ret = ifx_pp32_start(0);
4673 if ( ret ) {
4674 err("ifx_pp32_start fail!");
4675 goto PP32_START_FAIL;
4676 }
4677
4678 port_cell.port_num = ATM_PORT_NUMBER;
4679 if( !IS_ERR(&ifx_mei_atm_showtime_check) && &ifx_mei_atm_showtime_check)
4680 ifx_mei_atm_showtime_check(&g_showtime, &port_cell, &g_xdata_addr);
4681 if ( g_showtime ) {
4682 for ( i = 0; i < ATM_PORT_NUMBER; i++ )
4683 if ( port_cell.tx_link_rate[i] != 0 )
4684 break;
4685 for ( j = 0; j < ATM_PORT_NUMBER; j++ )
4686 g_atm_priv_data.port[j].tx_max_cell_rate = port_cell.tx_link_rate[j] != 0 ? port_cell.tx_link_rate[j] : port_cell.tx_link_rate[i];
4687 }
4688
4689 qsb_global_set();
4690 validate_oam_htu_entry();
4691
4692 #if 0 /*defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK*/
4693 ifx_led_trigger_register("dsl_data", &g_data_led_trigger);
4694 #endif
4695
4696 /* create proc file */
4697 proc_file_create();
4698
4699 if( !IS_ERR(&ifx_mei_atm_showtime_enter) && &ifx_mei_atm_showtime_enter )
4700 ifx_mei_atm_showtime_enter = atm_showtime_enter;
4701
4702 if( !IS_ERR(&ifx_mei_atm_showtime_exit) && !ifx_mei_atm_showtime_exit )
4703 ifx_mei_atm_showtime_exit = atm_showtime_exit;
4704
4705 ifx_atm_version(ver_str);
4706 printk(KERN_INFO "%s", ver_str);
4707
4708 printk("ifxmips_atm: ATM init succeed\n");
4709
4710 return IFX_SUCCESS;
4711
4712 PP32_START_FAIL:
4713 free_irq(PPE_MAILBOX_IGU1_INT, &g_atm_priv_data);
4714 REQUEST_IRQ_PPE_MAILBOX_IGU1_INT_FAIL:
4715 ATM_DEV_REGISTER_FAIL:
4716 while ( port_num-- > 0 )
4717 atm_dev_deregister(g_atm_priv_data.port[port_num].dev);
4718 INIT_PRIV_DATA_FAIL:
4719 clear_priv_data();
4720 printk("ifxmips_atm: ATM init failed\n");
4721 return ret;
4722 }
4723
4724 /*
4725 * Description:
4726 * Release memory, free IRQ, and deregister device.
4727 * Input:
4728 * none
4729 * Output:
4730 * none
4731 */
4732 static void __exit ifx_atm_exit(void)
4733 {
4734 int port_num;
4735
4736 if( !IS_ERR(&ifx_mei_atm_showtime_enter) && &ifx_mei_atm_showtime_enter )
4737 ifx_mei_atm_showtime_enter = NULL;
4738 if( !IS_ERR(&ifx_mei_atm_showtime_exit) && !ifx_mei_atm_showtime_exit )
4739 ifx_mei_atm_showtime_exit = NULL;
4740
4741 proc_file_delete();
4742
4743 #if 0 /*defined(ENABLE_LED_FRAMEWORK) && ENABLE_LED_FRAMEWORK*/
4744 ifx_led_trigger_deregister(g_data_led_trigger);
4745 g_data_led_trigger = NULL;
4746 #endif
4747
4748 invalidate_oam_htu_entry();
4749
4750 ifx_pp32_stop(0);
4751
4752 #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
4753 del_timer(&g_retx_polling_timer);
4754 clear_atm_tc_retrans_param();
4755 #endif
4756
4757 free_irq(PPE_MAILBOX_IGU1_INT, &g_atm_priv_data);
4758
4759 for ( port_num = 0; port_num < ATM_PORT_NUMBER; port_num++ )
4760 atm_dev_deregister(g_atm_priv_data.port[port_num].dev);
4761
4762 ifx_atm_uninit_chip();
4763
4764 clear_priv_data();
4765 }
4766
4767 module_init(ifx_atm_init);
4768 module_exit(ifx_atm_exit);
4769 MODULE_LICENSE("Dual BSD/GPL");
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