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implement SIOCSIWENCODE in wlcompat
[openwrt/svn-archive/archive.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 int get_primary_key(struct net_device *dev)
119 {
120 int key, val;
121
122 for (key = val = 0; (key < 4) && (val == 0); key++) {
123 val = key;
124 if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
125 return -EINVAL;
126 }
127 return key;
128 }
129
130
131 static int wlcompat_ioctl_getiwrange(struct net_device *dev,
132 char *extra)
133 {
134 int i, k;
135 struct iw_range *range;
136
137 range = (struct iw_range *) extra;
138
139 range->we_version_compiled = WIRELESS_EXT;
140 range->we_version_source = WIRELESS_EXT;
141
142 range->min_nwid = range->max_nwid = 0;
143
144 range->num_channels = NUM_CHANNELS;
145 k = 0;
146 for (i = 0; i < NUM_CHANNELS; i++) {
147 range->freq[k].i = i + 1;
148 range->freq[k].m = channel_frequency[i] * 100000;
149 range->freq[k].e = 1;
150 k++;
151 if (k >= IW_MAX_FREQUENCIES)
152 break;
153 }
154 range->num_frequency = k;
155 range->sensitivity = 3;
156
157 /* nbd: don't know what this means, but other drivers set it this way */
158 range->pmp_flags = IW_POWER_PERIOD;
159 range->pmt_flags = IW_POWER_TIMEOUT;
160 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
161
162 range->min_pmp = 0;
163 range->max_pmp = 65535000;
164 range->min_pmt = 0;
165 range->max_pmt = 65535 * 1000;
166
167 range->min_rts = 0;
168 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
169 range->max_rts = 2347;
170
171 range->min_frag = 256;
172
173 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
174 range->max_frag = 2346;
175
176 range->txpower_capa = IW_TXPOW_MWATT;
177
178 return 0;
179 }
180
181
182 static int wlcompat_set_scan(struct net_device *dev,
183 struct iw_request_info *info,
184 union iwreq_data *wrqu,
185 char *extra)
186 {
187 int ap = 0, oldap = 0;
188 wl_scan_params_t params;
189
190 memset(&params, 0, sizeof(params));
191
192 /* use defaults (same parameters as wl scan) */
193 memset(&params.bssid, 0xff, sizeof(params.bssid));
194 params.bss_type = DOT11_BSSTYPE_ANY;
195 params.scan_type = -1;
196 params.nprobes = -1;
197 params.active_time = -1;
198 params.passive_time = -1;
199 params.home_time = -1;
200
201 /* can only scan in STA mode */
202 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
203 if (oldap > 0)
204 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
205
206 if (wl_ioctl(dev, WLC_SCAN, &params, 64) < 0)
207 return -EINVAL;
208
209 if (oldap > 0)
210 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
211
212 return 0;
213 }
214
215
216 static int wlcompat_get_scan(struct net_device *dev,
217 struct iw_request_info *info,
218 union iwreq_data *wrqu,
219 char *extra)
220 {
221 wl_scan_results_t *results = (wl_scan_results_t *) buf;
222 wl_bss_info_t *bss_info;
223 char *info_ptr;
224 char *current_ev = extra;
225 char *current_val;
226 char *end_buf = extra + IW_SCAN_MAX_DATA;
227 struct iw_event iwe;
228 int i, j;
229
230 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
231 return -EAGAIN;
232
233 bss_info = &(results->bss_info[0]);
234 info_ptr = (char *) bss_info;
235 for (i = 0; i < results->count; i++) {
236
237 /* send the cell address (must be sent first) */
238 iwe.cmd = SIOCGIWAP;
239 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
240 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
241 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
242
243 /* send the ESSID */
244 iwe.cmd = SIOCGIWESSID;
245 iwe.u.data.length = bss_info->SSID_len;
246 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
247 iwe.u.data.length = IW_ESSID_MAX_SIZE;
248 iwe.u.data.flags = 1;
249 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
250
251 /* send frequency/channel info */
252 iwe.cmd = SIOCGIWFREQ;
253 iwe.u.freq.e = 0;
254 iwe.u.freq.m = bss_info->channel;
255 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
256
257 /* add quality statistics */
258 iwe.cmd = IWEVQUAL;
259 iwe.u.qual.level = bss_info->RSSI;
260 iwe.u.qual.noise = bss_info->phy_noise;
261 iwe.u.qual.qual = 0;
262 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
263
264 /* send rate information */
265 iwe.cmd = SIOCGIWRATE;
266 current_val = current_ev + IW_EV_LCP_LEN;
267 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
268
269 for(j = 0 ; j < bss_info->rateset.count ; j++) {
270 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
271 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
272 }
273 if((current_val - current_ev) > IW_EV_LCP_LEN)
274 current_ev = current_val;
275
276 info_ptr += sizeof(wl_bss_info_t);
277 if (bss_info->ie_length % 4)
278 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
279 else
280 info_ptr += bss_info->ie_length;
281 bss_info = (wl_bss_info_t *) info_ptr;
282 }
283
284 wrqu->data.length = (current_ev - extra);
285 wrqu->data.flags = 0;
286
287 return 0;
288 }
289
290 static int wlcompat_ioctl(struct net_device *dev,
291 struct iw_request_info *info,
292 union iwreq_data *wrqu,
293 char *extra)
294 {
295 switch (info->cmd) {
296 case SIOCGIWNAME:
297 strcpy(wrqu->name, "IEEE 802.11-DS");
298 break;
299 case SIOCGIWFREQ:
300 {
301 channel_info_t ci;
302
303 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
304 return -EINVAL;
305
306 wrqu->freq.m = ci.target_channel;
307 wrqu->freq.e = 0;
308 break;
309 }
310 case SIOCSIWFREQ:
311 {
312 if (wrqu->freq.e == 1) {
313 int channel = 0;
314 int f = wrqu->freq.m / 100000;
315 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
316 channel++;
317
318 if (channel == NUM_CHANNELS) // channel not found
319 return -EINVAL;
320
321 wrqu->freq.e = 0;
322 wrqu->freq.m = channel + 1;
323 }
324 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
325 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
326 return -EINVAL;
327 } else {
328 return -EINVAL;
329 }
330 break;
331 }
332 case SIOCSIWAP:
333 {
334 int ap = 0;
335
336 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
337 return -EINVAL;
338
339 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
340 return -EINVAL;
341
342 if (wl_ioctl(dev, (ap ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
343 return -EINVAL;
344
345 break;
346 }
347 case SIOCGIWAP:
348 {
349 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
350 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
351 return -EINVAL;
352 break;
353 }
354 case SIOCGIWESSID:
355 {
356 wlc_ssid_t ssid;
357
358 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
359 return -EINVAL;
360
361 wrqu->essid.flags = wrqu->data.flags = 1;
362 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
363 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
364 break;
365 }
366 case SIOCSIWESSID:
367 {
368 wlc_ssid_t ssid;
369 memset(&ssid, 0, sizeof(ssid));
370 ssid.SSID_len = strlen(extra);
371 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
372 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
373 memcpy(ssid.SSID, extra, ssid.SSID_len);
374 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
375 return -EINVAL;
376 break;
377 }
378 case SIOCGIWRTS:
379 {
380 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
381 return -EINVAL;
382 break;
383 }
384 case SIOCSIWRTS:
385 {
386 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
387 return -EINVAL;
388 break;
389 }
390 case SIOCGIWFRAG:
391 {
392 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
393 return -EINVAL;
394 break;
395 }
396 case SIOCSIWFRAG:
397 {
398 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
399 return -EINVAL;
400 break;
401 }
402 case SIOCGIWTXPOW:
403 {
404 int radio;
405
406 if (wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int)) < 0)
407 return -EINVAL;
408
409 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
410 return -EINVAL;
411
412 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
413
414 wrqu->txpower.fixed = 0;
415 wrqu->txpower.disabled = radio;
416 wrqu->txpower.flags = IW_TXPOW_MWATT;
417 break;
418 }
419 case SIOCSIWTXPOW:
420 {
421 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
422 int radio = wrqu->txpower.disabled;
423
424 if (wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int)) < 0)
425 return -EINVAL;
426
427 if (!wrqu->txpower.disabled) {
428 int override;
429
430 if (wl_get_val(dev, "qtxpower", &override, sizeof(int)) < 0)
431 return -EINVAL;
432
433 wrqu->txpower.value |= override & WL_TXPWR_OVERRIDE;
434
435 if (wrqu->txpower.flags != IW_TXPOW_MWATT)
436 return -EINVAL;
437
438 if (wl_set_val(dev, "qtxpower", &wrqu->txpower.value, sizeof(int)) < 0)
439 return -EINVAL;
440
441 }
442 }
443 case SIOCSIWENCODE:
444 {
445 int wep = 1, wrestrict = 1;
446 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
447
448 if (index < 0)
449 index = get_primary_key(dev);
450
451 if (wrqu->data.flags & IW_ENCODE_DISABLED)
452 wep = 0;
453
454 if (wrqu->data.flags & IW_ENCODE_OPEN)
455 wrestrict = 0;
456
457 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
458 wl_wsec_key_t key;
459 memset(&key, 0, sizeof(key));
460
461 key.flags = WL_PRIMARY_KEY;
462 key.len = wrqu->data.length;
463 key.index = index;
464 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
465
466 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
467 return -EINVAL;
468 }
469
470 if (index >= 0)
471 if (wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index)) < 0)
472 return -EINVAL;
473
474 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(wep)) < 0)
475 return -EINVAL;
476
477 if (wrestrict >= 0)
478 if (wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict)) < 0)
479 return -EINVAL;
480 }
481 case SIOCGIWENCODE:
482 {
483 int val;
484
485 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
486 return -EINVAL;
487
488
489 if (val > 0) {
490 int key = get_primary_key(dev);
491
492 wrqu->data.flags = IW_ENCODE_ENABLED;
493 if (key-- > 0) {
494 int *info_addr;
495 wkey *wep_key;
496
497 info_addr = (int *) dev->priv;
498 wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
499
500 wrqu->data.flags |= key + 1;
501 wrqu->data.length = wep_key->len;
502
503 memset(extra, 0, 16);
504 memcpy(extra, wep_key->data, 16);
505 } else {
506 wrqu->data.flags |= IW_ENCODE_NOKEY;
507 }
508 } else {
509 wrqu->data.flags = IW_ENCODE_DISABLED;
510 }
511
512 break;
513 }
514 case SIOCGIWRANGE:
515 {
516 return wlcompat_ioctl_getiwrange(dev, extra);
517 break;
518 }
519 case SIOCSIWMODE:
520 {
521 int ap = -1, infra = -1, passive = 0, wet = 0;
522
523 switch (wrqu->mode) {
524 case IW_MODE_MONITOR:
525 passive = 1;
526 break;
527 case IW_MODE_ADHOC:
528 infra = 0;
529 ap = 0;
530 break;
531 case IW_MODE_MASTER:
532 infra = 1;
533 ap = 1;
534 break;
535 case IW_MODE_INFRA:
536 infra = 1;
537 ap = 0;
538 break;
539 case IW_MODE_REPEAT:
540 infra = 1;
541 ap = 0;
542 wet = 1;
543 break;
544
545 default:
546 return -EINVAL;
547 }
548
549 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
550 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
551 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
552 if (ap >= 0)
553 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
554 if (infra >= 0)
555 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
556
557 break;
558
559 }
560 case SIOCGIWMODE:
561 {
562 int ap, infra, wet, passive;
563
564 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
565 return -EINVAL;
566 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
567 return -EINVAL;
568 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
569 return -EINVAL;
570 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
571 return -EINVAL;
572
573 if (passive) {
574 wrqu->mode = IW_MODE_MONITOR;
575 } else if (!infra) {
576 wrqu->mode = IW_MODE_ADHOC;
577 } else {
578 if (ap) {
579 wrqu->mode = IW_MODE_MASTER;
580 } else {
581 if (wet) {
582 wrqu->mode = IW_MODE_REPEAT;
583 } else {
584 wrqu->mode = IW_MODE_INFRA;
585 }
586 }
587 }
588 break;
589 }
590 default:
591 {
592 if (info->cmd >= SIOCIWFIRSTPRIV)
593 return wlcompat_private_ioctl(dev, info, wrqu, extra);
594
595 return -EINVAL;
596 }
597 }
598
599 return 0;
600 }
601
602 static const iw_handler wlcompat_handler[] = {
603 NULL, /* SIOCSIWCOMMIT */
604 wlcompat_ioctl, /* SIOCGIWNAME */
605 NULL, /* SIOCSIWNWID */
606 NULL, /* SIOCGIWNWID */
607 wlcompat_ioctl, /* SIOCSIWFREQ */
608 wlcompat_ioctl, /* SIOCGIWFREQ */
609 wlcompat_ioctl, /* SIOCSIWMODE */
610 wlcompat_ioctl, /* SIOCGIWMODE */
611 NULL, /* SIOCSIWSENS */
612 NULL, /* SIOCGIWSENS */
613 NULL, /* SIOCSIWRANGE, unused */
614 wlcompat_ioctl, /* SIOCGIWRANGE */
615 NULL, /* SIOCSIWPRIV */
616 NULL, /* SIOCGIWPRIV */
617 NULL, /* SIOCSIWSTATS */
618 NULL, /* SIOCGIWSTATS */
619 iw_handler_set_spy, /* SIOCSIWSPY */
620 iw_handler_get_spy, /* SIOCGIWSPY */
621 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
622 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
623 wlcompat_ioctl, /* SIOCSIWAP */
624 wlcompat_ioctl, /* SIOCGIWAP */
625 NULL, /* -- hole -- */
626 NULL, /* SIOCGIWAPLIST */
627 wlcompat_set_scan, /* SIOCSIWSCAN */
628 wlcompat_get_scan, /* SIOCGIWSCAN */
629 wlcompat_ioctl, /* SIOCSIWESSID */
630 wlcompat_ioctl, /* SIOCGIWESSID */
631 NULL, /* SIOCSIWNICKN */
632 NULL, /* SIOCGIWNICKN */
633 NULL, /* -- hole -- */
634 NULL, /* -- hole -- */
635 NULL, /* SIOCSIWRATE */
636 NULL, /* SIOCGIWRATE */
637 wlcompat_ioctl, /* SIOCSIWRTS */
638 wlcompat_ioctl, /* SIOCGIWRTS */
639 wlcompat_ioctl, /* SIOCSIWFRAG */
640 wlcompat_ioctl, /* SIOCGIWFRAG */
641 wlcompat_ioctl, /* SIOCSIWTXPOW */
642 wlcompat_ioctl, /* SIOCGIWTXPOW */
643 NULL, /* SIOCSIWRETRY */
644 NULL, /* SIOCGIWRETRY */
645 wlcompat_ioctl, /* SIOCSIWENCODE */
646 wlcompat_ioctl, /* SIOCGIWENCODE */
647 };
648
649 static int wlcompat_private_ioctl(struct net_device *dev,
650 struct iw_request_info *info,
651 union iwreq_data *wrqu,
652 char *extra)
653 {
654 int *value = (int *) wrqu->name;
655
656 switch (info->cmd) {
657 case WLCOMPAT_SET_MONITOR:
658 {
659 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
660 return -EINVAL;
661
662 break;
663 }
664 case WLCOMPAT_GET_MONITOR:
665 {
666 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
667 return -EINVAL;
668
669 break;
670 }
671 case WLCOMPAT_SET_TXPWR_LIMIT:
672 {
673 int val;
674
675
676 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
677 return -EINVAL;
678
679 if (*extra > 0)
680 val |= WL_TXPWR_OVERRIDE;
681 else
682 val &= ~WL_TXPWR_OVERRIDE;
683
684 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
685 return -EINVAL;
686
687 break;
688 }
689 case WLCOMPAT_GET_TXPWR_LIMIT:
690 {
691 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
692 return -EINVAL;
693
694 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
695
696 break;
697 }
698 case WLCOMPAT_SET_ANTDIV:
699 {
700 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
701 return -EINVAL;
702
703 break;
704 }
705 case WLCOMPAT_GET_ANTDIV:
706 {
707 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
708 return -EINVAL;
709
710 break;
711 }
712 case WLCOMPAT_SET_TXANT:
713 {
714 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
715 return -EINVAL;
716
717 break;
718 }
719 case WLCOMPAT_GET_TXANT:
720 {
721 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
722 return -EINVAL;
723
724 break;
725 }
726 default:
727 {
728 return -EINVAL;
729 }
730
731 }
732 return 0;
733 }
734
735 static const struct iw_priv_args wlcompat_private_args[] =
736 {
737 { WLCOMPAT_SET_MONITOR,
738 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
739 0,
740 "set_monitor"
741 },
742 { WLCOMPAT_GET_MONITOR,
743 0,
744 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
745 "get_monitor"
746 },
747 { WLCOMPAT_SET_TXPWR_LIMIT,
748 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
749 0,
750 "set_txpwr_force"
751 },
752 { WLCOMPAT_GET_TXPWR_LIMIT,
753 0,
754 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
755 "get_txpwr_force"
756 },
757 { WLCOMPAT_SET_ANTDIV,
758 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
759 0,
760 "set_antdiv"
761 },
762 { WLCOMPAT_GET_ANTDIV,
763 0,
764 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
765 "get_antdiv"
766 },
767 { WLCOMPAT_SET_TXANT,
768 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
769 0,
770 "set_txant"
771 },
772 { WLCOMPAT_GET_TXANT,
773 0,
774 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
775 "get_txant"
776 },
777 };
778
779 static const iw_handler wlcompat_private[] =
780 {
781 wlcompat_private_ioctl,
782 NULL
783 };
784
785
786 static const struct iw_handler_def wlcompat_handler_def =
787 {
788 .standard = (iw_handler *) wlcompat_handler,
789 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
790 .private = wlcompat_private,
791 .num_private = 1,
792 .private_args = wlcompat_private_args,
793 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
794 };
795
796
797 #ifdef DEBUG
798 void print_buffer(int len, unsigned char *buf) {
799 int x;
800 if (buf != NULL) {
801 for (x=0;x<len && x<180 ;x++) {
802 if ((x % 4) == 0)
803 printk(" ");
804 printk("%02X",buf[x]);
805 }
806 } else {
807 printk(" NULL");
808 }
809 printk("\n");
810
811 }
812 #endif
813 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
814 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
815 int ret = 0;
816 struct iwreq *iwr = (struct iwreq *) ifr;
817 struct iw_request_info info;
818
819 #ifdef DEBUG
820 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
821 #endif
822
823 if (cmd >= SIOCIWFIRSTPRIV) {
824 info.cmd = cmd;
825 info.flags = 0;
826 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
827 #ifdef DEBUG
828 } else if (cmd==SIOCDEVPRIVATE) {
829 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
830 unsigned char *buf = ioc->buf;
831 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
832 printk(" send: ->");
833 print_buffer(ioc->len, buf);
834 ret = old_ioctl(dev,ifr,cmd);
835 printk(" recv: ->");
836 print_buffer(ioc->len, buf);
837 printk(" ret: %d\n", ret);
838 #endif
839 } else {
840 ret = old_ioctl(dev,ifr,cmd);
841 }
842 return ret;
843 }
844
845 static int __init wlcompat_init()
846 {
847 int found = 0, i;
848 char *devname = "eth0";
849
850 while (!found && (dev = dev_get_by_name(devname))) {
851 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
852 found = 1;
853 devname[3]++;
854 }
855
856 if (!found) {
857 printk("No Broadcom devices found.\n");
858 return -ENODEV;
859 }
860
861
862 old_ioctl = dev->do_ioctl;
863 dev->do_ioctl = new_ioctl;
864 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
865 #ifdef DEBUG
866 printk("broadcom driver private data: 0x%08x\n", dev->priv);
867 #endif
868 return 0;
869 }
870
871 static void __exit wlcompat_exit()
872 {
873 dev->wireless_handlers = NULL;
874 dev->do_ioctl = old_ioctl;
875 return;
876 }
877
878 EXPORT_NO_SYMBOLS;
879 MODULE_AUTHOR("openwrt.org");
880 MODULE_LICENSE("GPL");
881
882 module_init(wlcompat_init);
883 module_exit(wlcompat_exit);
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