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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 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 bzero(extra, sizeof(struct iw_range));
143
144 range->we_version_compiled = WIRELESS_EXT;
145 range->we_version_source = WIRELESS_EXT;
146
147 range->min_nwid = range->max_nwid = 0;
148
149 range->num_channels = NUM_CHANNELS;
150 k = 0;
151 for (i = 0; i < NUM_CHANNELS; i++) {
152 range->freq[k].i = i + 1;
153 range->freq[k].m = channel_frequency[i] * 100000;
154 range->freq[k].e = 1;
155 k++;
156 if (k >= IW_MAX_FREQUENCIES)
157 break;
158 }
159 range->num_frequency = k;
160 range->sensitivity = 3;
161
162 /* nbd: don't know what this means, but other drivers set it this way */
163 range->pmp_flags = IW_POWER_PERIOD;
164 range->pmt_flags = IW_POWER_TIMEOUT;
165 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
166
167 range->min_pmp = 0;
168 range->max_pmp = 65535000;
169 range->min_pmt = 0;
170 range->max_pmt = 65535 * 1000;
171
172 range->max_qual.qual = 0;
173 range->max_qual.level = 0;
174 range->max_qual.noise = 0;
175
176 range->min_rts = 0;
177 if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
178 range->max_rts = 2347;
179
180 range->min_frag = 256;
181
182 if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
183 range->max_frag = 2346;
184
185 range->txpower_capa = IW_TXPOW_DBM;
186
187 return 0;
188 }
189
190
191 static int wlcompat_set_scan(struct net_device *dev,
192 struct iw_request_info *info,
193 union iwreq_data *wrqu,
194 char *extra)
195 {
196 int ap = 0, oldap = 0;
197 wl_scan_params_t params;
198
199 memset(&params, 0, sizeof(params));
200
201 /* use defaults (same parameters as wl scan) */
202 memset(&params.bssid, 0xff, sizeof(params.bssid));
203 params.bss_type = DOT11_BSSTYPE_ANY;
204 params.scan_type = -1;
205 params.nprobes = -1;
206 params.active_time = -1;
207 params.passive_time = -1;
208 params.home_time = -1;
209
210 /* can only scan in STA mode */
211 wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
212 if (oldap > 0)
213 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
214
215 if (wl_ioctl(dev, WLC_SCAN, &params, 64) < 0)
216 return -EINVAL;
217
218 if (oldap > 0)
219 wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
220
221 return 0;
222 }
223
224
225 struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
226 {
227 wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
228 get_pktcnt_t pkt;
229 unsigned int rssi, noise, ap;
230
231 memset(&wstats, 0, sizeof(wstats));
232 memset(&pkt, 0, sizeof(pkt));
233 memset(buf, 0, sizeof(buf));
234 bss_info->version = 0x2000;
235 wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
236 wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
237
238 rssi = 0;
239 if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
240 if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
241 noise = 0;
242 } else {
243 // somehow the structure doesn't fit here
244 rssi = buf[82];
245 noise = buf[84];
246 }
247 rssi = (rssi == 0 ? 1 : rssi);
248 wstats.qual.updated = 0x10;
249 if (rssi <= 1)
250 wstats.qual.updated |= 0x20;
251 if (noise <= 1)
252 wstats.qual.updated |= 0x40;
253
254 if ((wstats.qual.updated & 0x60) == 0x60)
255 return NULL;
256
257 wstats.qual.level = rssi;
258 wstats.qual.noise = noise;
259 wstats.discard.misc = pkt.rx_bad_pkt;
260 wstats.discard.retries = pkt.tx_bad_pkt;
261
262 return &wstats;
263 }
264
265 static int wlcompat_get_scan(struct net_device *dev,
266 struct iw_request_info *info,
267 union iwreq_data *wrqu,
268 char *extra)
269 {
270 wl_scan_results_t *results = (wl_scan_results_t *) buf;
271 wl_bss_info_t *bss_info;
272 char *info_ptr;
273 char *current_ev = extra;
274 char *current_val;
275 char *end_buf = extra + IW_SCAN_MAX_DATA;
276 struct iw_event iwe;
277 int i, j;
278 int rssi, noise;
279
280 results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
281
282 if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
283 return -EAGAIN;
284
285 bss_info = &(results->bss_info[0]);
286 info_ptr = (char *) bss_info;
287 for (i = 0; i < results->count; i++) {
288
289 /* send the cell address (must be sent first) */
290 iwe.cmd = SIOCGIWAP;
291 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
292 memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
293 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
294
295 /* send the ESSID */
296 iwe.cmd = SIOCGIWESSID;
297 iwe.u.data.length = bss_info->SSID_len;
298 if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
299 iwe.u.data.length = IW_ESSID_MAX_SIZE;
300 iwe.u.data.flags = 1;
301 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
302
303 /* send frequency/channel info */
304 iwe.cmd = SIOCGIWFREQ;
305 iwe.u.freq.e = 0;
306 iwe.u.freq.m = bss_info->channel;
307 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
308
309 /* add quality statistics */
310 iwe.cmd = IWEVQUAL;
311 iwe.u.qual.qual = 0;
312 iwe.u.qual.level = bss_info->RSSI;
313 iwe.u.qual.noise = bss_info->phy_noise;
314 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
315
316 /* send rate information */
317 iwe.cmd = SIOCGIWRATE;
318 current_val = current_ev + IW_EV_LCP_LEN;
319 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
320
321 for(j = 0 ; j < bss_info->rateset.count ; j++) {
322 iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
323 current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
324 }
325 if((current_val - current_ev) > IW_EV_LCP_LEN)
326 current_ev = current_val;
327
328 info_ptr += sizeof(wl_bss_info_t);
329 if (bss_info->ie_length % 4)
330 info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
331 else
332 info_ptr += bss_info->ie_length;
333 bss_info = (wl_bss_info_t *) info_ptr;
334 }
335
336 wrqu->data.length = (current_ev - extra);
337 wrqu->data.flags = 0;
338
339 return 0;
340 }
341
342 static int wlcompat_ioctl(struct net_device *dev,
343 struct iw_request_info *info,
344 union iwreq_data *wrqu,
345 char *extra)
346 {
347 switch (info->cmd) {
348 case SIOCGIWNAME:
349 strcpy(wrqu->name, "IEEE 802.11-DS");
350 break;
351 case SIOCGIWFREQ:
352 {
353 channel_info_t ci;
354
355 if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
356 return -EINVAL;
357
358 wrqu->freq.m = ci.target_channel;
359 wrqu->freq.e = 0;
360 break;
361 }
362 case SIOCSIWFREQ:
363 {
364 if (wrqu->freq.m == -1) {
365 wrqu->freq.m = 0;
366 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
367 return -EINVAL;
368 } else {
369 if (wrqu->freq.e == 1) {
370 int channel = 0;
371 int f = wrqu->freq.m / 100000;
372 while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
373 channel++;
374
375 if (channel == NUM_CHANNELS) // channel not found
376 return -EINVAL;
377
378 wrqu->freq.e = 0;
379 wrqu->freq.m = channel + 1;
380 }
381 if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
382 if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
383 return -EINVAL;
384 } else {
385 return -EINVAL;
386 }
387 }
388 break;
389 }
390 case SIOCSIWAP:
391 {
392 int ap = 0;
393 int infra = 0;
394 rw_reg_t reg;
395
396 memset(&reg, 0, sizeof(reg));
397
398 if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
399 return -EINVAL;
400
401 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
402 return -EINVAL;
403
404 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
405 return -EINVAL;
406
407 if (!infra) {
408 wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
409
410 reg.size = 4;
411 reg.byteoff = 0x184;
412 reg.val = bss_force << 16 | bss_force;
413 wl_ioctl(dev, WLC_W_REG, &reg, sizeof(reg));
414
415 reg.byteoff = 0x180;
416 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
417 reg.val = bss_force << 16;
418 wl_ioctl(dev, WLC_W_REG, &reg, sizeof(reg));
419 }
420
421 if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
422 return -EINVAL;
423
424 break;
425 }
426 case SIOCGIWAP:
427 {
428 #ifdef DEBUG
429 rw_reg_t reg;
430 memset(&reg, 0, sizeof(reg));
431
432 reg.size = 4;
433 reg.byteoff = 0x184;
434 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
435 printk("bss time = 0x%08x", reg.val);
436
437 reg.byteoff = 0x180;
438 wl_ioctl(dev, WLC_R_REG, &reg, sizeof(reg));
439 printk("%08x\n", reg.val);
440 #endif
441
442 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
443 if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
444 return -EINVAL;
445 break;
446 }
447 case SIOCGIWESSID:
448 {
449 wlc_ssid_t ssid;
450
451 if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
452 return -EINVAL;
453
454 wrqu->essid.flags = wrqu->data.flags = 1;
455 wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
456 memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
457 break;
458 }
459 case SIOCSIWESSID:
460 {
461 wlc_ssid_t ssid;
462 memset(&ssid, 0, sizeof(ssid));
463 ssid.SSID_len = strlen(extra);
464 if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
465 ssid.SSID_len = WLC_ESSID_MAX_SIZE;
466 memcpy(ssid.SSID, extra, ssid.SSID_len);
467 if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
468 return -EINVAL;
469 break;
470 }
471 case SIOCGIWRTS:
472 {
473 if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
474 return -EINVAL;
475 break;
476 }
477 case SIOCSIWRTS:
478 {
479 if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
480 return -EINVAL;
481 break;
482 }
483 case SIOCGIWFRAG:
484 {
485 if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
486 return -EINVAL;
487 break;
488 }
489 case SIOCSIWFRAG:
490 {
491 if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
492 return -EINVAL;
493 break;
494 }
495 case SIOCGIWTXPOW:
496 {
497 int radio, override;
498
499 wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
500
501 if (wl_get_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
502 return -EINVAL;
503
504 override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
505 wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
506 if (!override && (wrqu->txpower.value > 76))
507 wrqu->txpower.value = 76;
508 wrqu->txpower.value /= 4;
509
510 wrqu->txpower.fixed = 0;
511 wrqu->txpower.disabled = radio;
512 wrqu->txpower.flags = IW_TXPOW_DBM;
513 break;
514 }
515 case SIOCSIWTXPOW:
516 {
517 /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
518 int radio = wrqu->txpower.disabled;
519
520 wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
521
522 if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
523 int value;
524
525 if (wl_get_val(dev, "qtxpower", &value, sizeof(int)) < 0)
526 return -EINVAL;
527
528 value &= WL_TXPWR_OVERRIDE;
529 wrqu->txpower.value *= 4;
530 wrqu->txpower.value |= value;
531
532 if (wrqu->txpower.flags != IW_TXPOW_DBM)
533 return -EINVAL;
534
535 if (wrqu->txpower.value > 0)
536 if (wl_set_val(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
537 return -EINVAL;
538 }
539 break;
540 }
541 case SIOCSIWENCODE:
542 {
543 int val = 0, wep = 1, wrestrict = 1;
544 int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
545
546 if (index < 0)
547 index = get_primary_key(dev);
548
549 if (wrqu->data.flags & IW_ENCODE_DISABLED) {
550 wep = 0;
551 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
552 return -EINVAL;
553 return 0;
554 }
555
556 if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
557 return -EINVAL;
558
559 if (wrqu->data.flags & IW_ENCODE_OPEN)
560 wrestrict = 0;
561
562 if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
563 wl_wsec_key_t key;
564 memset(&key, 0, sizeof(key));
565
566 key.flags = WL_PRIMARY_KEY;
567 key.len = wrqu->data.length;
568 key.index = index;
569 memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
570
571 if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
572 return -EINVAL;
573 }
574
575 if (index >= 0)
576 wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
577
578 if (wrestrict >= 0)
579 wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
580
581 break;
582 }
583 case SIOCGIWENCODE:
584 {
585 int val;
586
587 if (wl_ioctl(dev, WLC_GET_WEP, &val, sizeof(val)) < 0)
588 return -EINVAL;
589
590
591 if (val > 0) {
592 int key = get_primary_key(dev);
593
594 wrqu->data.flags = IW_ENCODE_ENABLED;
595 if (key-- > 0) {
596 int *info_addr;
597 wkey *wep_key;
598
599 info_addr = (int *) dev->priv;
600 wep_key = (wkey *) ((*info_addr) + 0x2752 + (key * 0x110));
601
602 wrqu->data.flags |= key + 1;
603 wrqu->data.length = wep_key->len;
604
605 memset(extra, 0, 16);
606 memcpy(extra, wep_key->data, 16);
607 } else {
608 wrqu->data.flags |= IW_ENCODE_NOKEY;
609 }
610 } else {
611 wrqu->data.flags = IW_ENCODE_DISABLED;
612 }
613
614 break;
615 }
616 case SIOCGIWRANGE:
617 {
618 return wlcompat_ioctl_getiwrange(dev, extra);
619 break;
620 }
621 case SIOCSIWMODE:
622 {
623 int ap = -1, infra = -1, passive = 0, wet = 0;
624
625 switch (wrqu->mode) {
626 case IW_MODE_MONITOR:
627 passive = 1;
628 break;
629 case IW_MODE_ADHOC:
630 infra = 0;
631 ap = 0;
632 break;
633 case IW_MODE_MASTER:
634 infra = 1;
635 ap = 1;
636 break;
637 case IW_MODE_INFRA:
638 infra = 1;
639 ap = 0;
640 break;
641 case IW_MODE_REPEAT:
642 infra = 1;
643 ap = 0;
644 wet = 1;
645 break;
646
647 default:
648 return -EINVAL;
649 }
650
651 wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
652 wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
653 wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
654 if (ap >= 0)
655 wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
656 if (infra >= 0)
657 wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
658
659 break;
660
661 }
662 case SIOCGIWMODE:
663 {
664 int ap, infra, wet, passive;
665
666 if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
667 return -EINVAL;
668 if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
669 return -EINVAL;
670 if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
671 return -EINVAL;
672 if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
673 return -EINVAL;
674
675 if (passive) {
676 wrqu->mode = IW_MODE_MONITOR;
677 } else if (!infra) {
678 wrqu->mode = IW_MODE_ADHOC;
679 } else {
680 if (ap) {
681 wrqu->mode = IW_MODE_MASTER;
682 } else {
683 if (wet) {
684 wrqu->mode = IW_MODE_REPEAT;
685 } else {
686 wrqu->mode = IW_MODE_INFRA;
687 }
688 }
689 }
690 break;
691 }
692 default:
693 {
694 if (info->cmd >= SIOCIWFIRSTPRIV)
695 return wlcompat_private_ioctl(dev, info, wrqu, extra);
696
697 return -EINVAL;
698 }
699 }
700
701 return 0;
702 }
703
704 static const iw_handler wlcompat_handler[] = {
705 NULL, /* SIOCSIWCOMMIT */
706 wlcompat_ioctl, /* SIOCGIWNAME */
707 NULL, /* SIOCSIWNWID */
708 NULL, /* SIOCGIWNWID */
709 wlcompat_ioctl, /* SIOCSIWFREQ */
710 wlcompat_ioctl, /* SIOCGIWFREQ */
711 wlcompat_ioctl, /* SIOCSIWMODE */
712 wlcompat_ioctl, /* SIOCGIWMODE */
713 NULL, /* SIOCSIWSENS */
714 NULL, /* SIOCGIWSENS */
715 NULL, /* SIOCSIWRANGE, unused */
716 wlcompat_ioctl, /* SIOCGIWRANGE */
717 NULL, /* SIOCSIWPRIV */
718 NULL, /* SIOCGIWPRIV */
719 NULL, /* SIOCSIWSTATS */
720 NULL, /* SIOCGIWSTATS */
721 iw_handler_set_spy, /* SIOCSIWSPY */
722 iw_handler_get_spy, /* SIOCGIWSPY */
723 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
724 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
725 wlcompat_ioctl, /* SIOCSIWAP */
726 wlcompat_ioctl, /* SIOCGIWAP */
727 NULL, /* -- hole -- */
728 NULL, /* SIOCGIWAPLIST */
729 wlcompat_set_scan, /* SIOCSIWSCAN */
730 wlcompat_get_scan, /* SIOCGIWSCAN */
731 wlcompat_ioctl, /* SIOCSIWESSID */
732 wlcompat_ioctl, /* SIOCGIWESSID */
733 NULL, /* SIOCSIWNICKN */
734 NULL, /* SIOCGIWNICKN */
735 NULL, /* -- hole -- */
736 NULL, /* -- hole -- */
737 NULL, /* SIOCSIWRATE */
738 NULL, /* SIOCGIWRATE */
739 wlcompat_ioctl, /* SIOCSIWRTS */
740 wlcompat_ioctl, /* SIOCGIWRTS */
741 wlcompat_ioctl, /* SIOCSIWFRAG */
742 wlcompat_ioctl, /* SIOCGIWFRAG */
743 wlcompat_ioctl, /* SIOCSIWTXPOW */
744 wlcompat_ioctl, /* SIOCGIWTXPOW */
745 NULL, /* SIOCSIWRETRY */
746 NULL, /* SIOCGIWRETRY */
747 wlcompat_ioctl, /* SIOCSIWENCODE */
748 wlcompat_ioctl, /* SIOCGIWENCODE */
749 };
750
751
752 #define WLCOMPAT_SET_MONITOR SIOCIWFIRSTPRIV + 0
753 #define WLCOMPAT_GET_MONITOR SIOCIWFIRSTPRIV + 1
754 #define WLCOMPAT_SET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 2
755 #define WLCOMPAT_GET_TXPWR_LIMIT SIOCIWFIRSTPRIV + 3
756 #define WLCOMPAT_SET_ANTDIV SIOCIWFIRSTPRIV + 4
757 #define WLCOMPAT_GET_ANTDIV SIOCIWFIRSTPRIV + 5
758 #define WLCOMPAT_SET_TXANT SIOCIWFIRSTPRIV + 6
759 #define WLCOMPAT_GET_TXANT SIOCIWFIRSTPRIV + 7
760 #define WLCOMPAT_SET_BSS_FORCE SIOCIWFIRSTPRIV + 8
761 #define WLCOMPAT_GET_BSS_FORCE SIOCIWFIRSTPRIV + 9
762
763
764 static int wlcompat_private_ioctl(struct net_device *dev,
765 struct iw_request_info *info,
766 union iwreq_data *wrqu,
767 char *extra)
768 {
769 int *value = (int *) wrqu->name;
770
771 switch (info->cmd) {
772 case WLCOMPAT_SET_MONITOR:
773 {
774 if (wl_ioctl(dev, WLC_SET_MONITOR, value, sizeof(int)) < 0)
775 return -EINVAL;
776
777 break;
778 }
779 case WLCOMPAT_GET_MONITOR:
780 {
781 if (wl_ioctl(dev, WLC_GET_MONITOR, extra, sizeof(int)) < 0)
782 return -EINVAL;
783
784 break;
785 }
786 case WLCOMPAT_SET_TXPWR_LIMIT:
787 {
788 int val;
789
790
791 if (wl_get_val(dev, "qtxpower", &val, sizeof(int)) < 0)
792 return -EINVAL;
793
794 if (*extra > 0)
795 val |= WL_TXPWR_OVERRIDE;
796 else
797 val &= ~WL_TXPWR_OVERRIDE;
798
799 if (wl_set_val(dev, "qtxpower", &val, sizeof(int)) < 0)
800 return -EINVAL;
801
802 break;
803 }
804 case WLCOMPAT_GET_TXPWR_LIMIT:
805 {
806 if (wl_get_val(dev, "qtxpower", value, sizeof(int)) < 0)
807 return -EINVAL;
808
809 *value = ((*value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE ? 1 : 0);
810
811 break;
812 }
813 case WLCOMPAT_SET_ANTDIV:
814 {
815 if (wl_ioctl(dev, WLC_SET_ANTDIV, value, sizeof(int)) < 0)
816 return -EINVAL;
817
818 break;
819 }
820 case WLCOMPAT_GET_ANTDIV:
821 {
822 if (wl_ioctl(dev, WLC_GET_ANTDIV, extra, sizeof(int)) < 0)
823 return -EINVAL;
824
825 break;
826 }
827 case WLCOMPAT_SET_TXANT:
828 {
829 if (wl_ioctl(dev, WLC_SET_TXANT, value, sizeof(int)) < 0)
830 return -EINVAL;
831
832 break;
833 }
834 case WLCOMPAT_GET_TXANT:
835 {
836 if (wl_ioctl(dev, WLC_GET_TXANT, extra, sizeof(int)) < 0)
837 return -EINVAL;
838
839 break;
840 }
841 case WLCOMPAT_SET_BSS_FORCE:
842 {
843 bss_force = (unsigned short) *value;
844 break;
845 }
846 case WLCOMPAT_GET_BSS_FORCE:
847 {
848 *extra = (int) bss_force;
849 break;
850 }
851 default:
852 {
853 return -EINVAL;
854 }
855
856 }
857 return 0;
858 }
859
860 static const struct iw_priv_args wlcompat_private_args[] =
861 {
862 { WLCOMPAT_SET_MONITOR,
863 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
864 0,
865 "set_monitor"
866 },
867 { WLCOMPAT_GET_MONITOR,
868 0,
869 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
870 "get_monitor"
871 },
872 { WLCOMPAT_SET_TXPWR_LIMIT,
873 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
874 0,
875 "set_txpwr_force"
876 },
877 { WLCOMPAT_GET_TXPWR_LIMIT,
878 0,
879 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
880 "get_txpwr_force"
881 },
882 { WLCOMPAT_SET_ANTDIV,
883 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
884 0,
885 "set_antdiv"
886 },
887 { WLCOMPAT_GET_ANTDIV,
888 0,
889 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
890 "get_antdiv"
891 },
892 { WLCOMPAT_SET_TXANT,
893 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
894 0,
895 "set_txant"
896 },
897 { WLCOMPAT_GET_TXANT,
898 0,
899 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
900 "get_txant"
901 },
902 { WLCOMPAT_SET_BSS_FORCE,
903 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
904 0,
905 "set_bss_force"
906 },
907 { WLCOMPAT_GET_BSS_FORCE,
908 0,
909 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
910 "get_bss_force"
911 },
912 };
913
914 static const iw_handler wlcompat_private[] =
915 {
916 wlcompat_private_ioctl,
917 NULL
918 };
919
920
921 static const struct iw_handler_def wlcompat_handler_def =
922 {
923 .standard = (iw_handler *) wlcompat_handler,
924 .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
925 .private = wlcompat_private,
926 .num_private = 1,
927 .private_args = wlcompat_private_args,
928 .num_private_args = sizeof(wlcompat_private_args) / sizeof(wlcompat_private_args[0])
929 };
930
931
932 #ifdef DEBUG
933 void print_buffer(int len, unsigned char *buf) {
934 int x;
935 if (buf != NULL) {
936 for (x=0;x<len && x<180 ;x++) {
937 if ((x % 4) == 0)
938 printk(" ");
939 printk("%02X",buf[x]);
940 }
941 } else {
942 printk(" NULL");
943 }
944 printk("\n");
945
946 }
947 #endif
948 static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
949 static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
950 int ret = 0;
951 struct iwreq *iwr = (struct iwreq *) ifr;
952 struct iw_request_info info;
953
954 #ifdef DEBUG
955 printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
956 #endif
957
958 if (cmd >= SIOCIWFIRSTPRIV) {
959 info.cmd = cmd;
960 info.flags = 0;
961 ret = wlcompat_private_ioctl(dev, &info, &(iwr->u), (char *) &(iwr->u));
962 #ifdef DEBUG
963 } else if (cmd==SIOCDEVPRIVATE) {
964 wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
965 unsigned char *buf = ioc->buf;
966 printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
967 printk(" send: ->");
968 print_buffer(ioc->len, buf);
969 ret = old_ioctl(dev,ifr,cmd);
970 printk(" recv: ->");
971 print_buffer(ioc->len, buf);
972 printk(" ret: %d\n", ret);
973 #endif
974 } else {
975 ret = old_ioctl(dev,ifr,cmd);
976 }
977 return ret;
978 }
979
980 static int __init wlcompat_init()
981 {
982 int found = 0, i;
983 char devname[4] = "wl0";
984 bss_force = 0;
985
986 while (!found && (dev = dev_get_by_name(devname))) {
987 if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
988 found = 1;
989 devname[2]++;
990 }
991
992 if (!found) {
993 printk("No Broadcom devices found.\n");
994 return -ENODEV;
995 }
996
997
998 old_ioctl = dev->do_ioctl;
999 dev->do_ioctl = new_ioctl;
1000 dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
1001 dev->get_wireless_stats = wlcompat_get_wireless_stats;
1002 #ifdef DEBUG
1003 printk("broadcom driver private data: 0x%08x\n", dev->priv);
1004 #endif
1005 return 0;
1006 }
1007
1008 static void __exit wlcompat_exit()
1009 {
1010 dev->get_wireless_stats = NULL;
1011 dev->wireless_handlers = NULL;
1012 dev->do_ioctl = old_ioctl;
1013 return;
1014 }
1015
1016 EXPORT_NO_SYMBOLS;
1017 MODULE_AUTHOR("openwrt.org");
1018 MODULE_LICENSE("GPL");
1019
1020 module_init(wlcompat_init);
1021 module_exit(wlcompat_exit);
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