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fix wlcompat-debug, add proper signal strength info to scan and stats
[openwrt.git] / target / linux / package / wlcompat / wlcompat.c
1 /*
2 * wlcompat.c
3 *
4 * Copyright (C) 2005 Mike Baker,
5 * Felix Fietkau <openwrt@nbd.name>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 *
21 * $Id$
22 */
23
24
25 #include <linux/config.h>
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/if_arp.h>
29 #include <asm/uaccess.h>
30 #include <linux/wireless.h>
31
32 #include <net/iw_handler.h>
33 #include <wlioctl.h>
34
35 static struct net_device *dev;
36 static unsigned short bss_force;
37 static struct iw_statistics wstats;
38 char buf[WLC_IOCTL_MAXLEN];
39
40 /* The frequency of each channel in MHz */
41 const long channel_frequency[] = {
42 2412, 2417, 2422, 2427, 2432, 2437, 2442,
43 2447, 2452, 2457, 2462, 2467, 2472, 2484
44 };
45 #define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
46
47 typedef struct internal_wsec_key {
48 uint8 index; // 0x00
49 uint8 unknown_1; // 0x01
50 uint8 type; // 0x02
51 uint8 unknown_2[7]; // 0x03
52 uint8 len; // 0x0a
53 uint8 pad[3];
54 char data[32]; // 0x0e
55 } wkey;
56
57
58 static int wlcompat_private_ioctl(struct net_device *dev,
59 struct iw_request_info *info,
60 union iwreq_data *wrqu,
61 char *extra);
62 #ifdef DEBUG
63 void print_buffer(int len, unsigned char *buf);
64 #endif
65
66 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
67 {
68 mm_segment_t old_fs = get_fs();
69 struct ifreq ifr;
70 int ret;
71 wl_ioctl_t ioc;
72 ioc.cmd = cmd;
73 ioc.buf = buf;
74 ioc.len = len;
75 strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
76 ifr.ifr_data = (caddr_t) &ioc;
77 set_fs(KERNEL_DS);
78 ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
79 set_fs (old_fs);
80 return ret;
81 }
82
83 static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
84 {
85 char buf[128];
86 int buf_len;
87 int ret;
88
89 /* check for overflow */
90 if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
91 return -1;
92
93 strcpy(buf, var);
94 buf_len += 1;
95
96 /* append int value onto the end of the name string */
97 memcpy(&(buf[buf_len]), val, len);
98 buf_len += len;
99
100 ret = wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
101 return ret;
102 }
103
104 static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
105 {
106 char buf[128];
107 int buf_len;
108 int ret;
109
110 /* check for overflow */
111 if ((buf_len = strlen(var)) + 1 > sizeof(buf) || len > sizeof(buf))
112 return -1;
113
114 strcpy(buf, var);
115 if (ret = wl_ioctl(dev, WLC_GET_VAR, buf, buf_len + len))
116 return ret;
117
118 memcpy(val, buf, len);
119 return 0;
120 }
121
122 int get_primary_key(struct net_device *dev)
123 {
124 int key, val;
125
126 for (key = val = 0; (key < 4) && (val == 0); key++) {
127 val = key;
128 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
129 return -EINVAL;
130 }
131 return key;
132 }
133
134
135 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
136 char *extra)
137 {
138 int i, k;
139 struct iw_range *range;
140
141 range = (struct iw_range *) extra;
142
143 range->we_version_compiled = WIRELESS_EXT;
144 range->we_version_source = WIRELESS_EXT;
145
146 range->min_nwid = range->max_nwid = 0;
147
148 range->num_channels = NUM_CHANNELS;
149 k = 0;
150 for (i = 0; i < NUM_CHANNELS; i++) {
151 range->freq[k].i = i + 1;
152 range->freq[k].m = channel_frequency[i] * 100000;
153 range->freq[k].e = 1;
154 k++;
155 if (k >= IW_MAX_FREQUENCIES)
156 break;
157 }
158 range->num_frequency = k;
159 range->sensitivity = 3;
160
161 /* nbd: don't know what this means, but other drivers set it this way */
162 range->pmp_flags = IW_POWER_PERIOD;
163 range->pmt_flags = IW_POWER_TIMEOUT;
164 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
165
166 range->min_pmp = 0;
167 range->max_pmp = 65535000;
168 range->min_pmt = 0;
169 range->max_pmt = 65535 * 1000;
170
171 range->max_qual.qual = 0;
172 range->max_qual.level = 100;
173 range->max_qual.noise = 100;
174
175 range->min_rts = 0;
176 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
177 range->max_rts = 2347;
178
179 range->min_frag = 256;
180
181 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
182 range->max_frag = 2346;
183
184 range->txpower_capa = IW_TXPOW_DBM;
185
186 return 0;
187 }
188
189
190 static int wlcompat_set_scan(struct net_device *dev,
191 struct iw_request_info *info,
192 union iwreq_data *wrqu,
193 char *extra)
194 {
195 int ap = 0, oldap = 0;
196 wl_scan_params_t params;
197
198 memset(&params, 0, sizeof(params));
199
200 /* use defaults (same parameters as wl scan) */
201 memset(&params.bssid, 0xff, sizeof(params.bssid));
202 params.bss_type = DOT11_BSSTYPE_ANY;
203 params.scan_type = -1;
204 params.nprobes = -1;
205 params.active_time = -1;
206 params.passive_time = -1;
207 params.home_time = -1;
208
209 /* can only scan in STA mode */
210 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
211 if (oldap > 0)
212 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
213
214 if (wl_ioctl(dev, WLC_SCAN, &params, 64) < 0)
215 return -EINVAL;
216
217 if (oldap > 0)
218 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
219
220 return 0;
221 }
222
223
224 struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
225 {
226 wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
227 get_pktcnt_t pkt;
228 int rssi, noise;
229
230 memset(&wstats, 0, sizeof(wstats));
231 memset(&pkt, 0, sizeof(pkt));
232 memset(buf, 0, sizeof(buf));
233 bss_info->version = 0x2000;
234 wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
235 wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
236
237 // somehow the structure doesn't fit here
238 noise = buf[0x50];
239 rssi = buf[0x52];
240
241 wstats.qual.level = rssi;
242 wstats.qual.noise = -100 + noise;
243 wstats.discard.misc = pkt.rx_bad_pkt;
244 wstats.discard.retries = pkt.tx_bad_pkt;
245
246 return &wstats;
247 }
248
249 static int wlcompat_get_scan(struct net_device *dev,
250 struct iw_request_info *info,
251 union iwreq_data *wrqu,
252 char *extra)
253 {
254 wl_scan_results_t *results = (wl_scan_results_t *) buf;
255 wl_bss_info_t *bss_info;
256 char *info_ptr;
257 char *current_ev = extra;
258 char *current_val;
259 char *end_buf = extra + IW_SCAN_MAX_DATA;
260 struct iw_event iwe;
261 int i, j;
262 int rssi, noise;
263
264 results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
265
266 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
267 return -EAGAIN;
268
269 bss_info = &(results->bss_info[0]);
270 info_ptr = (char *) bss_info;
271 for (i = 0; i < results->count; i++) {
272
273 /* send the cell address (must be sent first) */
274 iwe.cmd = SIOCGIWAP;
275 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
276 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
277 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
278
279 /* send the ESSID */
280 iwe.cmd = SIOCGIWESSID;
281 iwe.u.data.length = bss_info->SSID_len;
282 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
283 iwe.u.data.length = IW_ESSID_MAX_SIZE;
284 iwe.u.data.flags = 1;
285 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
286
287 /* send frequency/channel info */
288 iwe.cmd = SIOCGIWFREQ;
289 iwe.u.freq.e = 0;
290 iwe.u.freq.m = bss_info->channel;
291 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
292
293 /* add quality statistics */
294 iwe.cmd = IWEVQUAL;
295 iwe.u.qual.qual = 0;
296 iwe.u.qual.level = bss_info->RSSI;
297 iwe.u.qual.noise = bss_info->phy_noise;
298 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
299
300 /* send rate information */
301 iwe.cmd = SIOCGIWRATE;
302 current_val = current_ev + IW_EV_LCP_LEN;
303 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
304
305 for(j = 0 ; j < bss_info->rateset.count ; j++) {
306 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
307 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
308 }
309 if((current_val - current_ev) > IW_EV_LCP_LEN)
310 current_ev = current_val;
311
312 info_ptr += sizeof(wl_bss_info_t);
313 if (bss_info->ie_length % 4)
314 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
315 else
316 info_ptr += bss_info->ie_length;
317 bss_info = (wl_bss_info_t *) info_ptr;
318 }
319
320 wrqu->data.length = (current_ev - extra);
321 wrqu->data.flags = 0;
322
323 return 0;
324 }
325
326 static int wlcompat_ioctl(struct net_device *dev,
327 struct iw_request_info *info,
328 union iwreq_data *wrqu,
329 char *extra)
330 {
331 switch (info->cmd) {
332 case SIOCGIWNAME:
333 strcpy(wrqu->name, "IEEE 802.11-DS");
334 break;
335 case SIOCGIWFREQ:
336 {
337 channel_info_t ci;
338
339 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
340 return -EINVAL;
341
342 wrqu->freq.m = ci.target_channel;
343 wrqu->freq.e = 0;
344 break;
345 }
346 case SIOCSIWFREQ:
347 {
348 if (wrqu->freq.m == -1) {
349 wrqu->freq.m = 0;
350 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
351 return -EINVAL;
352 } else {
353 if (wrqu->freq.e == 1) {
354 int channel = 0;
355 int f = wrqu->freq.m / 100000;
356 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
357 channel++;
358
359 if (channel == NUM_CHANNELS) // channel not found
360 return -EINVAL;
361
362 wrqu->freq.e = 0;
363 wrqu->freq.m = channel + 1;
364 }
365 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
366 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
367 return -EINVAL;
368 } else {
369 return -EINVAL;
370 }
371 }
372 break;
373 }
374 case SIOCSIWAP:
375 {
376 int ap = 0;
377 int infra = 0;
378 rw_reg_t reg;
379
380 memset(&reg, 0, sizeof(reg));
381
382 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
383 return -EINVAL;
384
385 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
386 return -EINVAL;
387
388 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
389 return -EINVAL;
390
391 if (!infra) {
392 wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
393
394 reg.size = 4;
395 reg.byteoff = 0x184;
396 reg.val = bss_force << 16 | bss_force;
397 wl_ioctl(dev, WLC_W_REG, &reg, sizeof(reg));
398
399 reg.byteoff = 0x180;
400 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
401 reg.val = bss_force << 16;
402 wl_ioctl(dev, WLC_W_REG, &reg, sizeof(reg));
403 }
404
405 if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
406 return -EINVAL;
407
408 break;
409 }
410 case SIOCGIWAP:
411 {
412 #ifdef DEBUG
413 rw_reg_t reg;
414 memset(&reg, 0, sizeof(reg));
415
416 reg.size = 4;
417 reg.byteoff = 0x184;
418 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
419 printk("bss time = 0x%08x", reg.val);
420
421 reg.byteoff = 0x180;
422 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
423 printk("%08x\n", reg.val);
424 #endif
425
426 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
427 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
428 return -EINVAL;
429 break;
430 }
431 case SIOCGIWESSID:
432 {
433 wlc_ssid_t ssid;
434
435 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
436 return -EINVAL;
437
438 wrqu->essid.flags = wrqu->data.flags = 1;
439 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
440 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
441 break;
442 }
443 case SIOCSIWESSID:
444 {
445 wlc_ssid_t ssid;
446 memset(&ssid, 0, sizeof(ssid));
447 ssid.SSID_len = strlen(extra);
448 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
449 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
450 memcpy(ssid.SSID, extra, ssid.SSID_len);
451 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
452 return -EINVAL;
453 break;
454 }
455 case SIOCGIWRTS:
456 {
457 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
458 return -EINVAL;
459 break;
460 }
461 case SIOCSIWRTS:
462 {
463 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
464 return -EINVAL;
465 break;
466 }
467 case SIOCGIWFRAG:
468 {
469 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
470 return -EINVAL;
471 break;
472 }
473 case SIOCSIWFRAG:
474 {
475 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
476 return -EINVAL;
477 break;
478 }
479 case SIOCGIWTXPOW:
480 {
481 int radio;
482
483 wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
484
485 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
486 return -EINVAL;
487
488 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
489 wrqu->txpower.value /= 4;
490
491 wrqu->txpower.fixed = 0;
492 wrqu->txpower.disabled = radio;
493 wrqu->txpower.flags = IW_TXPOW_DBM;
494 break;
495 }
496 case SIOCSIWTXPOW:
497 {
498 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
499 int radio = wrqu->txpower.disabled;
500
501 wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
502
503 if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
504 int value;
505
506 if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
507 return -EINVAL;
508
509 value &= WL_TXPWR_OVERRIDE;
510 wrqu->txpower.value *= 4;
511 wrqu->txpower.value |= value;
512
513 if (wrqu->txpower.flags != IW_TXPOW_DBM)
514 return -EINVAL;
515
516 if (wrqu->txpower.value > 0)
517 if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
518 return -EINVAL;
519 }
520 break;
521 }
522 case SIOCSIWENCODE:
523 {
524 int val = 0, wep = 1, wrestrict = 1;
525 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
526
527 if (index < 0)
528 index = get_primary_key(dev);
529
530 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
531 wep = 0;
532 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
533 return -EINVAL;
534 return 0;
535 }
536
537 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
538 return -EINVAL;
539
540 if (wrqu->data.flags & IW_ENCODE_OPEN)
541 wrestrict = 0;
542
543 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
544 wl_wsec_key_t key;
545 memset(&key, 0, sizeof(key));
546
547 key.flags = WL_PRIMARY_KEY;
548 key.len = wrqu->data.length;
549 key.index = index;
550 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
551
552 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
553 return -EINVAL;
554 }
555
556 if (index >= 0)
557 wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
558
559 if (wrestrict >= 0)
560 wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
561
562 break;
563 }
564 case SIOCGIWENCODE:
565 {
566 int val;
567
568 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
569 return -EINVAL;
570
571
572 if (val > 0) {
573 int key = get_primary_key(dev);
574
575 wrqu->data.flags = IW_ENCODE_ENABLED;
576 if (key-- > 0) {
577 int *info_addr;
578 wkey *wep_key;
579
580 info_addr = (int *) dev->priv;
581 wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
582
583 wrqu->data.flags |= key + 1;
584 wrqu->data.length = wep_key->len;
585
586 memset(extra, 0, 16);
587 memcpy(extra, wep_key->data, 16);
588 } else {
589 wrqu->data.flags |= IW_ENCODE_NOKEY;
590 }
591 } else {
592 wrqu->data.flags = IW_ENCODE_DISABLED;
593 }
594
595 break;
596 }
597 case SIOCGIWRANGE:
598 {
599 return wlcompat_ioctl_getiwrange(dev, extra);
600 break;
601 }
602 case SIOCSIWMODE:
603 {
604 int ap = -1, infra = -1, passive = 0, wet = 0;
605
606 switch (wrqu->mode) {
607 case IW_MODE_MONITOR:
608 passive = 1;
609 break;
610 case IW_MODE_ADHOC:
611 infra = 0;
612 ap = 0;
613 break;
614 case IW_MODE_MASTER:
615 infra = 1;
616 ap = 1;
617 break;
618 case IW_MODE_INFRA:
619 infra = 1;
620 ap = 0;
621 break;
622 case IW_MODE_REPEAT:
623 infra = 1;
624 ap = 0;
625 wet = 1;
626 break;
627
628 default:
629 return -EINVAL;
630 }
631
632 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
633 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
634 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
635 if (ap >= 0)
636 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
637 if (infra >= 0)
638 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
639
640 break;
641
642 }
643 case SIOCGIWMODE:
644 {
645 int ap, infra, wet, passive;
646
647 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
648 return -EINVAL;
649 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
650 return -EINVAL;
651 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
652 return -EINVAL;
653 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
654 return -EINVAL;
655
656 if (passive) {
657 wrqu->mode = IW_MODE_MONITOR;
658 } else if (!infra) {
659 wrqu->mode = IW_MODE_ADHOC;
660 } else {
661 if (ap) {
662 wrqu->mode = IW_MODE_MASTER;
663 } else {
664 if (wet) {
665 wrqu->mode = IW_MODE_REPEAT;
666 } else {
667 wrqu->mode = IW_MODE_INFRA;
668 }
669 }
670 }
671 break;
672 }
673 default:
674 {
675 if (info->cmd >= SIOCIWFIRSTPRIV)
676 return wlcompat_private_ioctl(dev, info, wrqu, extra);
677
678 return -EINVAL;
679 }
680 }
681
682 return 0;
683 }
684
685 static const iw_handler wlcompat_handler[] = {
686 NULL, /* SIOCSIWCOMMIT */
687 wlcompat_ioctl, /* SIOCGIWNAME */
688 NULL, /* SIOCSIWNWID */
689 NULL, /* SIOCGIWNWID */
690 wlcompat_ioctl, /* SIOCSIWFREQ */
691 wlcompat_ioctl, /* SIOCGIWFREQ */
692 wlcompat_ioctl, /* SIOCSIWMODE */
693 wlcompat_ioctl, /* SIOCGIWMODE */
694 NULL, /* SIOCSIWSENS */
695 NULL, /* SIOCGIWSENS */
696 NULL, /* SIOCSIWRANGE, unused */
697 wlcompat_ioctl, /* SIOCGIWRANGE */
698 NULL, /* SIOCSIWPRIV */
699 NULL, /* SIOCGIWPRIV */
700 NULL, /* SIOCSIWSTATS */
701 NULL, /* SIOCGIWSTATS */
702 iw_handler_set_spy, /* SIOCSIWSPY */
703 iw_handler_get_spy, /* SIOCGIWSPY */
704 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
705 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
706 wlcompat_ioctl, /* SIOCSIWAP */
707 wlcompat_ioctl, /* SIOCGIWAP */
708 NULL, /* -- hole -- */
709 NULL, /* SIOCGIWAPLIST */
710 wlcompat_set_scan, /* SIOCSIWSCAN */
711 wlcompat_get_scan, /* SIOCGIWSCAN */
712 wlcompat_ioctl, /* SIOCSIWESSID */
713 wlcompat_ioctl, /* SIOCGIWESSID */
714 NULL, /* SIOCSIWNICKN */
715 NULL, /* SIOCGIWNICKN */
716 NULL, /* -- hole -- */
717 NULL, /* -- hole -- */
718 NULL, /* SIOCSIWRATE */
719 NULL, /* SIOCGIWRATE */
720 wlcompat_ioctl, /* SIOCSIWRTS */
721 wlcompat_ioctl, /* SIOCGIWRTS */
722 wlcompat_ioctl, /* SIOCSIWFRAG */
723 wlcompat_ioctl, /* SIOCGIWFRAG */
724 wlcompat_ioctl, /* SIOCSIWTXPOW */
725 wlcompat_ioctl, /* SIOCGIWTXPOW */
726 NULL, /* SIOCSIWRETRY */
727 NULL, /* SIOCGIWRETRY */
728 wlcompat_ioctl, /* SIOCSIWENCODE */
729 wlcompat_ioctl, /* SIOCGIWENCODE */
730 };
731
732
733 #define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
734 #define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
735 #define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
736 #define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
737 #define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4
738 #define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5
739 #define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6
740 #define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7
741 #define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8
742 #define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9
743
744
745 static int wlcompat_private_ioctl(struct net_device *dev,
746 struct iw_request_info *info,
747 union iwreq_data *wrqu,
748 char *extra)
749 {
750 int *value = (int *) wrqu->name;
751
752 switch (info->cmd) {
753 case WLCOMPAT_SET_MONITOR:
754 {
755 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
756 return -EINVAL;
757
758 break;
759 }
760 case WLCOMPAT_GET_MONITOR:
761 {
762 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
763 return -EINVAL;
764
765 break;
766 }
767 case WLCOMPAT_SET_TXPWR_LIMIT:
768 {
769 int val;
770
771
772 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
773 return -EINVAL;
774
775 if (*extra > 0)
776 val |= WL_TXPWR_OVERRIDE;
777 else
778 val &= ~WL_TXPWR_OVERRIDE;
779
780 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
781 return -EINVAL;
782
783 break;
784 }
785 case WLCOMPAT_GET_TXPWR_LIMIT:
786 {
787 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
788 return -EINVAL;
789
790 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
791
792 break;
793 }
794 case WLCOMPAT_SET_ANTDIV:
795 {
796 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
797 return -EINVAL;
798
799 break;
800 }
801 case WLCOMPAT_GET_ANTDIV:
802 {
803 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
804 return -EINVAL;
805
806 break;
807 }
808 case WLCOMPAT_SET_TXANT:
809 {
810 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
811 return -EINVAL;
812
813 break;
814 }
815 case WLCOMPAT_GET_TXANT:
816 {
817 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
818 return -EINVAL;
819
820 break;
821 }
822 case WLCOMPAT_SET_BSS_FORCE:
823 {
824 bss_force = (unsigned short) *value;
825 break;
826 }
827 case WLCOMPAT_GET_BSS_FORCE:
828 {
829 *extra = (int) bss_force;
830 break;
831 }
832 default:
833 {
834 return -EINVAL;
835 }
836
837 }
838 return 0;
839 }
840
841 static const struct iw_priv_args wlcompat_private_args[] =
842 {
843 { WLCOMPAT_SET_MONITOR,
844 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
845 0,
846 "set_monitor"
847 },
848 { WLCOMPAT_GET_MONITOR,
849 0,
850 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
851 "get_monitor"
852 },
853 { WLCOMPAT_SET_TXPWR_LIMIT,
854 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
855 0,
856 "set_txpwr_force"
857 },
858 { WLCOMPAT_GET_TXPWR_LIMIT,
859 0,
860 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
861 "get_txpwr_force"
862 },
863 { WLCOMPAT_SET_ANTDIV,
864 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
865 0,
866 "set_antdiv"
867 },
868 { WLCOMPAT_GET_ANTDIV,
869 0,
870 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
871 "get_antdiv"
872 },
873 { WLCOMPAT_SET_TXANT,
874 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
875 0,
876 "set_txant"
877 },
878 { WLCOMPAT_GET_TXANT,
879 0,
880 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
881 "get_txant"
882 },
883 { WLCOMPAT_SET_BSS_FORCE,
884 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
885 0,
886 "set_bss_force"
887 },
888 { WLCOMPAT_GET_BSS_FORCE,
889 0,
890 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
891 "get_bss_force"
892 },
893 };
894
895 static const iw_handler wlcompat_private[] =
896 {
897 wlcompat_private_ioctl,
898 NULL
899 };
900
901
902 static const struct iw_handler_def wlcompat_handler_def =
903 {
904 .standard = (iw_handler *) wlcompat_handler,
905 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
906 .private = wlcompat_private,
907 .num_private = 1,
908 .private_args = wlcompat_private_args,
909 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
910 };
911
912
913 #ifdef DEBUG
914 void print_buffer(int len, unsigned char *buf) {
915 int x;
916 if (buf != NULL) {
917 for (x=0;x<len && x<180 ;x++) {
918 if ((x % 4) == 0)
919 printk(" ");
920 printk("%02X",buf[x]);
921 }
922 } else {
923 printk(" NULL");
924 }
925 printk("\n");
926
927 }
928 #endif
929 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
930 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
931 int ret = 0;
932 struct iwreq *iwr = (struct iwreq *) ifr;
933 struct iw_request_info info;
934
935 #ifdef DEBUG
936 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
937 #endif
938
939 if (cmd >= SIOCIWFIRSTPRIV) {
940 info.cmd = cmd;
941 info.flags = 0;
942 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
943 #ifdef DEBUG
944 } else if (cmd==SIOCDEVPRIVATE) {
945 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
946 unsigned char *buf = ioc->buf;
947 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
948 printk(" send: ->");
949 print_buffer(ioc->len, buf);
950 ret = old_ioctl(dev,ifr,cmd);
951 printk(" recv: ->");
952 print_buffer(ioc->len, buf);
953 printk(" ret: %d\n", ret);
954 #endif
955 } else {
956 ret = old_ioctl(dev,ifr,cmd);
957 }
958 return ret;
959 }
960
961 static int __init wlcompat_init()
962 {
963 int found = 0, i;
964 char *devname = "eth0";
965 bss_force = 0;
966
967 while (!found && (dev = dev_get_by_name(devname))) {
968 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
969 found = 1;
970 devname[3]++;
971 }
972
973 if (!found) {
974 printk("No Broadcom devices found.\n");
975 return -ENODEV;
976 }
977
978
979 old_ioctl = dev->do_ioctl;
980 dev->do_ioctl = new_ioctl;
981 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
982 dev->get_wireless_stats = wlcompat_get_wireless_stats;
983 #ifdef DEBUG
984 printk("broadcom driver private data: 0x%08x\n", dev->priv);
985 #endif
986 return 0;
987 }
988
989 static void __exit wlcompat_exit()
990 {
991 dev->get_wireless_stats = NULL;
992 dev->wireless_handlers = NULL;
993 dev->do_ioctl = old_ioctl;
994 return;
995 }
996
997 EXPORT_NO_SYMBOLS;
998 MODULE_AUTHOR("openwrt.org");
999 MODULE_LICENSE("GPL");
1000
1001 module_init(wlcompat_init);
1002 module_exit(wlcompat_exit);
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