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