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add function for enabling/disabling radio in wlcompat
[openwrt/staging/dedeckeh.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
47
48 static int wlcompat_private_ioctl(struct net_device *dev,
49 struct iw_request_info *info,
50 union iwreq_data *wrqu,
51 char *extra);
52
53 static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
54 {
55 mm_segment_t old_fs = get_fs();
56 struct ifreq ifr;
57 int ret;
58 wl_ioctl_t ioc;
59 ioc.cmd = cmd;
60 ioc.buf = buf;
61 ioc.len = len;
62 strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
63 ifr.ifr_data = (caddr_t) &ioc;
64 set_fs(KERNEL_DS);
65 ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
66 set_fs (old_fs);
67 return ret;
68 }
69
70 static int wl_set_val(struct net_device *dev, char *var, void *val, int len)
71 {
72 char buf[128];
73 int buf_len;
74
75 /* check for overflow */
76 if ((buf_len = strlen(var)) + 1 + len > sizeof(buf))
77 return -1;
78
79 strcpy(buf, var);
80 buf_len += 1;
81
82 /* append int value onto the end of the name string */
83 memcpy(&buf[buf_len], val, len);
84 buf_len += len;
85
86 return wl_ioctl(dev, WLC_SET_VAR, buf, buf_len);
87 }
88
89 static int wl_get_val(struct net_device *dev, char *var, void *val, int len)
90 {
91 char buf[128];
92 int ret;
93
94 /* check for overflow */
95 if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
96 return -1;
97
98 strcpy(buf, var);
99 if ((ret = wl_ioctl(dev, WLC_GET_VAR, buf, sizeof(buf))))
100 return ret;
101
102 memcpy(val, buf, len);
103 return 0;
104 }
105
106 int read_shmem(struct net_device *dev, int offset)
107 {
108 if (wl_ioctl(dev, WLC_GET_SHMEM, &offset, sizeof(offset)) < 0)
109 return -EINVAL;
110
111 return offset;
112 }
113
114 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
115 char *extra)
116 {
117 int i, k;
118 struct iw_range *range;
119
120 range = (struct iw_range *) extra;
121
122 range->we_version_compiled = WIRELESS_EXT;
123 range->we_version_source = WIRELESS_EXT;
124
125 range->min_nwid = range->max_nwid = 0;
126
127 range->num_channels = NUM_CHANNELS;
128 k = 0;
129 for (i = 0; i < NUM_CHANNELS; i++) {
130 range->freq[k].i = i + 1;
131 range->freq[k].m = channel_frequency[i] * 100000;
132 range->freq[k].e = 1;
133 k++;
134 if (k >= IW_MAX_FREQUENCIES)
135 break;
136 }
137 range->num_frequency = k;
138 range->sensitivity = 3;
139
140 /* nbd: don't know what this means, but other drivers set it this way */
141 range->pmp_flags = IW_POWER_PERIOD;
142 range->pmt_flags = IW_POWER_TIMEOUT;
143 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
144
145 range->min_pmp = 0;
146 range->max_pmp = 65535000;
147 range->min_pmt = 0;
148 range->max_pmt = 65535 * 1000;
149
150 range->min_rts = 0;
151 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
152 range->max_rts = 2347;
153
154 range->min_frag = 256;
155
156 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
157 range->max_frag = 2346;
158
159 range->txpower_capa = IW_TXPOW_MWATT;
160
161 return 0;
162 }
163
164
165 static int wlcompat_set_scan(struct net_device *dev,
166 struct iw_request_info *info,
167 union iwreq_data *wrqu,
168 char *extra)
169 {
170 int ap = 0, oldap = 0;
171 wl_scan_params_t params;
172
173 memset(&params, 0, sizeof(params));
174
175 /* use defaults (same parameters as wl scan) */
176 memset(&params.bssid, 0xff, sizeof(params.bssid));
177 params.bss_type = DOT11_BSSTYPE_ANY;
178 params.scan_type = -1;
179 params.nprobes = -1;
180 params.active_time = -1;
181 params.passive_time = -1;
182 params.home_time = -1;
183
184 /* can only scan in STA mode */
185 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
186 if (oldap > 0)
187 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
188
189 if (wl_ioctl(dev, WLC_SCAN, &params, 64) < 0)
190 return -EINVAL;
191
192 if (oldap > 0)
193 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
194
195 return 0;
196 }
197
198
199 static int wlcompat_get_scan(struct net_device *dev,
200 struct iw_request_info *info,
201 union iwreq_data *wrqu,
202 char *extra)
203 {
204 wl_scan_results_t *results = (wl_scan_results_t *) buf;
205 wl_bss_info_t *bss_info;
206 char *info_ptr;
207 char *current_ev = extra;
208 char *current_val;
209 char *end_buf = extra + IW_SCAN_MAX_DATA;
210 struct iw_event iwe;
211 int i, j;
212
213 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
214 return -EAGAIN;
215
216 bss_info = &(results->bss_info[0]);
217 info_ptr = (char *) bss_info;
218 for (i = 0; i < results->count; i++) {
219
220 /* send the cell address (must be sent first) */
221 iwe.cmd = SIOCGIWAP;
222 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
223 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
224 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
225
226 /* send the ESSID */
227 iwe.cmd = SIOCGIWESSID;
228 iwe.u.data.length = bss_info->SSID_len;
229 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
230 iwe.u.data.length = IW_ESSID_MAX_SIZE;
231 iwe.u.data.flags = 1;
232 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
233
234 /* send frequency/channel info */
235 iwe.cmd = SIOCGIWFREQ;
236 iwe.u.freq.e = 0;
237 iwe.u.freq.m = bss_info->channel;
238 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
239
240 /* add quality statistics */
241 iwe.cmd = IWEVQUAL;
242 iwe.u.qual.level = bss_info->RSSI;
243 iwe.u.qual.noise = bss_info->phy_noise;
244 iwe.u.qual.qual = 0;
245 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
246
247 /* send rate information */
248 iwe.cmd = SIOCGIWRATE;
249 current_val = current_ev + IW_EV_LCP_LEN;
250 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
251
252 for(j = 0 ; j < bss_info->rateset.count ; j++) {
253 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
254 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
255 }
256 if((current_val - current_ev) > IW_EV_LCP_LEN)
257 current_ev = current_val;
258
259 info_ptr += sizeof(wl_bss_info_t);
260 if (bss_info->ie_length % 4)
261 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
262 else
263 info_ptr += bss_info->ie_length;
264 bss_info = (wl_bss_info_t *) info_ptr;
265 }
266
267 wrqu->data.length = (current_ev - extra);
268 wrqu->data.flags = 0;
269
270 return 0;
271 }
272
273 static int wlcompat_ioctl(struct net_device *dev,
274 struct iw_request_info *info,
275 union iwreq_data *wrqu,
276 char *extra)
277 {
278 switch (info->cmd) {
279 case SIOCGIWNAME:
280 strcpy(wrqu->name, "IEEE 802.11-DS");
281 break;
282 case SIOCGIWFREQ:
283 {
284 channel_info_t ci;
285
286 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
287 return -EINVAL;
288
289 wrqu->freq.m = ci.target_channel;
290 wrqu->freq.e = 0;
291 break;
292 }
293 case SIOCSIWFREQ:
294 {
295 if (wrqu->freq.e == 1) {
296 int channel = 0;
297 int f = wrqu->freq.m / 100000;
298 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
299 channel++;
300
301 if (channel == NUM_CHANNELS) // channel not found
302 return -EINVAL;
303
304 wrqu->freq.e = 0;
305 wrqu->freq.m = channel + 1;
306 }
307 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
308 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
309 return -EINVAL;
310 } else {
311 return -EINVAL;
312 }
313 break;
314 }
315 case SIOCSIWAP:
316 {
317 int ap = 0;
318
319 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
320 return -EINVAL;
321
322 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
323 return -EINVAL;
324
325 if (wl_ioctl(dev, (ap ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
326 return -EINVAL;
327
328 break;
329 }
330 case SIOCGIWAP:
331 {
332 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
333 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
334 return -EINVAL;
335 break;
336 }
337 case SIOCGIWESSID:
338 {
339 wlc_ssid_t ssid;
340
341 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
342 return -EINVAL;
343
344 wrqu->essid.flags = wrqu->data.flags = 1;
345 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
346 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
347 break;
348 }
349 case SIOCSIWESSID:
350 {
351 wlc_ssid_t ssid;
352 memset(&ssid, 0, sizeof(ssid));
353 ssid.SSID_len = strlen(extra);
354 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
355 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
356 memcpy(ssid.SSID, extra, ssid.SSID_len);
357 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
358 return -EINVAL;
359 break;
360 }
361 case SIOCGIWRTS:
362 {
363 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
364 return -EINVAL;
365 break;
366 }
367 case SIOCSIWRTS:
368 {
369 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
370 return -EINVAL;
371 break;
372 }
373 case SIOCGIWFRAG:
374 {
375 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
376 return -EINVAL;
377 break;
378 }
379 case SIOCSIWFRAG:
380 {
381 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
382 return -EINVAL;
383 break;
384 }
385 case SIOCGIWTXPOW:
386 {
387 int radio;
388
389 if (wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int)) < 0)
390 return -EINVAL;
391
392 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
393 return -EINVAL;
394
395 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
396
397 wrqu->txpower.fixed = 0;
398 wrqu->txpower.disabled = radio;
399 wrqu->txpower.flags = IW_TXPOW_MWATT;
400 break;
401 }
402 case SIOCSIWTXPOW:
403 {
404 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
405 int radio = wrqu->txpower.disabled;
406
407 if (wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int)) < 0)
408 return -EINVAL;
409
410 if (!wrqu->txpower.disabled) {
411 int override;
412
413 if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0)
414 return -EINVAL;
415
416 wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE;
417
418 if (wrqu->txpower.flags != IW_TXPOW_MWATT)
419 return -EINVAL;
420
421 if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0)
422 return -EINVAL;
423
424 }
425 }
426 case SIOCGIWENCODE:
427 {
428 int val;
429
430 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
431 return -EINVAL;
432
433
434 if (val > 0) {
435 int key;
436
437 for (key = val = 0; (key < 4) && (val == 0); key++) {
438 val = key;
439 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
440 return -EINVAL;
441 }
442
443 wrqu->data.flags = IW_ENCODE_ENABLED;
444 if (key-- > 0) {
445 int magic_offset;
446 int16 buffer[8];
447
448 magic_offset = read_shmem(dev, 0x56) * 2;
449
450 wrqu->data.flags |= key + 1;
451 wrqu->data.length = 16;
452
453 for (val = 0; val < 8; val++) {
454 buffer[val] = read_shmem(dev, magic_offset + (key * 16) + val * 2);
455 }
456
457 memset(extra, 0, 16);
458 memcpy(extra, buffer, 16);
459 } else {
460 wrqu->data.flags |= IW_ENCODE_NOKEY;
461 }
462 } else {
463 wrqu->data.flags = IW_ENCODE_DISABLED;
464 }
465
466 break;
467 }
468 case SIOCGIWRANGE:
469 {
470 return wlcompat_ioctl_getiwrange(dev, extra);
471 break;
472 }
473 case SIOCSIWMODE:
474 {
475 int ap = -1, infra = -1, passive = 0, wet = 0;
476
477 switch (wrqu->mode) {
478 case IW_MODE_MONITOR:
479 passive = 1;
480 break;
481 case IW_MODE_ADHOC:
482 infra = 0;
483 ap = 0;
484 break;
485 case IW_MODE_MASTER:
486 infra = 1;
487 ap = 1;
488 break;
489 case IW_MODE_INFRA:
490 infra = 1;
491 ap = 0;
492 break;
493 case IW_MODE_REPEAT:
494 infra = 1;
495 ap = 0;
496 wet = 1;
497 break;
498 default:
499 return -EINVAL;
500 }
501
502 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
503 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
504 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
505 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
506 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
507
508 break;
509
510 }
511 case SIOCGIWMODE:
512 {
513 int ap, infra, wet, passive;
514
515 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
516 return -EINVAL;
517 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
518 return -EINVAL;
519 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
520 return -EINVAL;
521 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
522 return -EINVAL;
523
524 if (passive) {
525 wrqu->mode = IW_MODE_MONITOR;
526 } else if (!infra) {
527 wrqu->mode = IW_MODE_ADHOC;
528 } else {
529 if (ap) {
530 wrqu->mode = IW_MODE_MASTER;
531 } else {
532 if (wet) {
533 wrqu->mode = IW_MODE_REPEAT;
534 } else {
535 wrqu->mode = IW_MODE_INFRA;
536 }
537 }
538 }
539 break;
540 }
541 default:
542 {
543 if (info->cmd >= SIOCIWFIRSTPRIV)
544 return wlcompat_private_ioctl(dev, info, wrqu, extra);
545
546 return -EINVAL;
547 }
548 }
549
550 return 0;
551 }
552
553 static const iw_handler wlcompat_handler[] = {
554 NULL, /* SIOCSIWCOMMIT */
555 wlcompat_ioctl, /* SIOCGIWNAME */
556 NULL, /* SIOCSIWNWID */
557 NULL, /* SIOCGIWNWID */
558 wlcompat_ioctl, /* SIOCSIWFREQ */
559 wlcompat_ioctl, /* SIOCGIWFREQ */
560 wlcompat_ioctl, /* SIOCSIWMODE */
561 wlcompat_ioctl, /* SIOCGIWMODE */
562 NULL, /* SIOCSIWSENS */
563 NULL, /* SIOCGIWSENS */
564 NULL, /* SIOCSIWRANGE, unused */
565 wlcompat_ioctl, /* SIOCGIWRANGE */
566 NULL, /* SIOCSIWPRIV */
567 NULL, /* SIOCGIWPRIV */
568 NULL, /* SIOCSIWSTATS */
569 NULL, /* SIOCGIWSTATS */
570 iw_handler_set_spy, /* SIOCSIWSPY */
571 iw_handler_get_spy, /* SIOCGIWSPY */
572 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
573 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
574 wlcompat_ioctl, /* SIOCSIWAP */
575 wlcompat_ioctl, /* SIOCGIWAP */
576 NULL, /* -- hole -- */
577 NULL, /* SIOCGIWAPLIST */
578 wlcompat_set_scan, /* SIOCSIWSCAN */
579 wlcompat_get_scan, /* SIOCGIWSCAN */
580 wlcompat_ioctl, /* SIOCSIWESSID */
581 wlcompat_ioctl, /* SIOCGIWESSID */
582 NULL, /* SIOCSIWNICKN */
583 NULL, /* SIOCGIWNICKN */
584 NULL, /* -- hole -- */
585 NULL, /* -- hole -- */
586 NULL, /* SIOCSIWRATE */
587 NULL, /* SIOCGIWRATE */
588 wlcompat_ioctl, /* SIOCSIWRTS */
589 wlcompat_ioctl, /* SIOCGIWRTS */
590 wlcompat_ioctl, /* SIOCSIWFRAG */
591 wlcompat_ioctl, /* SIOCGIWFRAG */
592 wlcompat_ioctl, /* SIOCSIWTXPOW */
593 wlcompat_ioctl, /* SIOCGIWTXPOW */
594 NULL, /* SIOCSIWRETRY */
595 NULL, /* SIOCGIWRETRY */
596 NULL, /* SIOCSIWENCODE */
597 wlcompat_ioctl, /* SIOCGIWENCODE */
598 };
599
600 static int wlcompat_private_ioctl(struct net_device *dev,
601 struct iw_request_info *info,
602 union iwreq_data *wrqu,
603 char *extra)
604 {
605 int *value = (int *) wrqu->name;
606
607 switch (info->cmd) {
608 case WLCOMPAT_SET_MONITOR:
609 {
610 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
611 return -EINVAL;
612
613 break;
614 }
615 case WLCOMPAT_GET_MONITOR:
616 {
617 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
618 return -EINVAL;
619
620 break;
621 }
622 case WLCOMPAT_SET_TXPWR_LIMIT:
623 {
624 int val;
625
626
627 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
628 return -EINVAL;
629
630 if (*extra > 0)
631 val |= WL_TXPWR_OVERRIDE;
632 else
633 val &= ~WL_TXPWR_OVERRIDE;
634
635 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
636 return -EINVAL;
637
638 break;
639 }
640 case WLCOMPAT_GET_TXPWR_LIMIT:
641 {
642 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
643 return -EINVAL;
644
645 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
646
647 break;
648 }
649 case WLCOMPAT_SET_ANTDIV:
650 {
651 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
652 return -EINVAL;
653
654 break;
655 }
656 case WLCOMPAT_GET_ANTDIV:
657 {
658 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
659 return -EINVAL;
660
661 break;
662 }
663 case WLCOMPAT_SET_TXANT:
664 {
665 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
666 return -EINVAL;
667
668 break;
669 }
670 case WLCOMPAT_GET_TXANT:
671 {
672 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
673 return -EINVAL;
674
675 break;
676 }
677 default:
678 {
679 return -EINVAL;
680 }
681
682 }
683 return 0;
684 }
685
686 static const struct iw_priv_args wlcompat_private_args[] =
687 {
688 { WLCOMPAT_SET_MONITOR,
689 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
690 0,
691 "set_monitor"
692 },
693 { WLCOMPAT_GET_MONITOR,
694 0,
695 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
696 "get_monitor"
697 },
698 { WLCOMPAT_SET_TXPWR_LIMIT,
699 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
700 0,
701 "set_txpwr_force"
702 },
703 { WLCOMPAT_GET_TXPWR_LIMIT,
704 0,
705 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
706 "get_txpwr_force"
707 },
708 { WLCOMPAT_SET_ANTDIV,
709 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
710 0,
711 "set_antdiv"
712 },
713 { WLCOMPAT_GET_ANTDIV,
714 0,
715 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
716 "get_antdiv"
717 },
718 { WLCOMPAT_SET_TXANT,
719 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
720 0,
721 "set_txant"
722 },
723 { WLCOMPAT_GET_TXANT,
724 0,
725 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
726 "get_txant"
727 },
728 };
729
730 static const iw_handler wlcompat_private[] =
731 {
732 wlcompat_private_ioctl,
733 NULL
734 };
735
736
737 static const struct iw_handler_def wlcompat_handler_def =
738 {
739 .standard = (iw_handler *) wlcompat_handler,
740 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
741 .private = wlcompat_private,
742 .num_private = 1,
743 .private_args = wlcompat_private_args,
744 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
745 };
746
747
748 #ifdef DEBUG
749 void print_buffer(int len, unsigned char *buf) {
750 int x;
751 if (buf != NULL) {
752 for (x=0;x<len && x<180 ;x++) {
753 if ((x % 4) == 0)
754 printk(" ");
755 printk("%02X",buf[x]);
756 }
757 } else {
758 printk(" NULL");
759 }
760 printk("\n");
761
762 }
763 #endif
764 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
765 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
766 int ret = 0;
767 struct iwreq *iwr = (struct iwreq *) ifr;
768 struct iw_request_info info;
769
770 #ifdef DEBUG
771 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
772 #endif
773
774 if (cmd >= SIOCIWFIRSTPRIV) {
775 info.cmd = cmd;
776 info.flags = 0;
777 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
778 #ifdef DEBUG
779 } else if (cmd==SIOCDEVPRIVATE) {
780 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
781 unsigned char *buf = ioc->buf;
782 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
783 printk(" send: ->");
784 print_buffer(ioc->len, buf);
785 ret = old_ioctl(dev,ifr,cmd);
786 printk(" recv: ->");
787 print_buffer(ioc->len, buf);
788 printk(" ret: %d\n", ret);
789 #endif
790 } else {
791 ret = old_ioctl(dev,ifr,cmd);
792 }
793 return ret;
794 }
795
796 static int __init wlcompat_init()
797 {
798 int found = 0, i;
799 char *devname = "eth0";
800
801 while (!found && (dev = dev_get_by_name(devname))) {
802 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
803 found = 1;
804 devname[3]++;
805 }
806
807 if (!found) {
808 printk("No Broadcom devices found.\n");
809 return -ENODEV;
810 }
811
812
813 old_ioctl = dev->do_ioctl;
814 dev->do_ioctl = new_ioctl;
815 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
816 return 0;
817 }
818
819 static void __exit wlcompat_exit()
820 {
821 dev->wireless_handlers = NULL;
822 dev->do_ioctl = old_ioctl;
823 return;
824 }
825
826 EXPORT_NO_SYMBOLS;
827 MODULE_AUTHOR("openwrt.org");
828 MODULE_LICENSE("GPL");
829
830 module_init(wlcompat_init);
831 module_exit(wlcompat_exit);
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