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