1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17#include <linux/etherdevice.h>
18
19#include "rtllib.h"
20#include "dot11d.h"
21
22
23const long rtllib_wlan_frequencies[] = {
24 2412, 2417, 2422, 2427,
25 2432, 2437, 2442, 2447,
26 2452, 2457, 2462, 2467,
27 2472, 2484
28};
29EXPORT_SYMBOL(rtllib_wlan_frequencies);
30
31
32int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
33 union iwreq_data *wrqu, char *b)
34{
35 int ret;
36 struct iw_freq *fwrq = &wrqu->freq;
37
38 mutex_lock(&ieee->wx_mutex);
39
40 if (ieee->iw_mode == IW_MODE_INFRA) {
41 ret = 0;
42 goto out;
43 }
44
45
46 if (fwrq->e == 1) {
47 if ((fwrq->m >= (int) 2.412e8 &&
48 fwrq->m <= (int) 2.487e8)) {
49 int f = fwrq->m / 100000;
50 int c = 0;
51
52 while ((c < 14) && (f != rtllib_wlan_frequencies[c]))
53 c++;
54
55
56 fwrq->e = 0;
57 fwrq->m = c + 1;
58 }
59 }
60
61 if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1) {
62 ret = -EOPNOTSUPP;
63 goto out;
64
65 } else {
66
67 if (ieee->active_channel_map[fwrq->m] != 1) {
68 ret = -EINVAL;
69 goto out;
70 }
71 ieee->current_network.channel = fwrq->m;
72 ieee->set_chan(ieee->dev, ieee->current_network.channel);
73
74 if (ieee->iw_mode == IW_MODE_ADHOC ||
75 ieee->iw_mode == IW_MODE_MASTER)
76 if (ieee->state == RTLLIB_LINKED) {
77 rtllib_stop_send_beacons(ieee);
78 rtllib_start_send_beacons(ieee);
79 }
80 }
81
82 ret = 0;
83out:
84 mutex_unlock(&ieee->wx_mutex);
85 return ret;
86}
87EXPORT_SYMBOL(rtllib_wx_set_freq);
88
89
90int rtllib_wx_get_freq(struct rtllib_device *ieee,
91 struct iw_request_info *a,
92 union iwreq_data *wrqu, char *b)
93{
94 struct iw_freq *fwrq = &wrqu->freq;
95
96 if (ieee->current_network.channel == 0)
97 return -1;
98 fwrq->m = rtllib_wlan_frequencies[ieee->current_network.channel-1] *
99 100000;
100 fwrq->e = 1;
101 return 0;
102}
103EXPORT_SYMBOL(rtllib_wx_get_freq);
104
105int rtllib_wx_get_wap(struct rtllib_device *ieee,
106 struct iw_request_info *info,
107 union iwreq_data *wrqu, char *extra)
108{
109 unsigned long flags;
110
111 wrqu->ap_addr.sa_family = ARPHRD_ETHER;
112
113 if (ieee->iw_mode == IW_MODE_MONITOR)
114 return -1;
115
116
117 spin_lock_irqsave(&ieee->lock, flags);
118
119 if (ieee->state != RTLLIB_LINKED &&
120 ieee->state != RTLLIB_LINKED_SCANNING &&
121 ieee->wap_set == 0)
122
123 eth_zero_addr(wrqu->ap_addr.sa_data);
124 else
125 memcpy(wrqu->ap_addr.sa_data,
126 ieee->current_network.bssid, ETH_ALEN);
127
128 spin_unlock_irqrestore(&ieee->lock, flags);
129
130 return 0;
131}
132EXPORT_SYMBOL(rtllib_wx_get_wap);
133
134
135int rtllib_wx_set_wap(struct rtllib_device *ieee,
136 struct iw_request_info *info,
137 union iwreq_data *awrq,
138 char *extra)
139{
140
141 int ret = 0;
142 unsigned long flags;
143
144 short ifup = ieee->proto_started;
145 struct sockaddr *temp = (struct sockaddr *)awrq;
146
147 rtllib_stop_scan_syncro(ieee);
148
149 mutex_lock(&ieee->wx_mutex);
150
151 if (ieee->iw_mode == IW_MODE_MASTER) {
152 ret = -1;
153 goto out;
154 }
155
156 if (temp->sa_family != ARPHRD_ETHER) {
157 ret = -EINVAL;
158 goto out;
159 }
160
161 if (is_zero_ether_addr(temp->sa_data)) {
162 spin_lock_irqsave(&ieee->lock, flags);
163 ether_addr_copy(ieee->current_network.bssid, temp->sa_data);
164 ieee->wap_set = 0;
165 spin_unlock_irqrestore(&ieee->lock, flags);
166 ret = -1;
167 goto out;
168 }
169
170
171 if (ifup)
172 rtllib_stop_protocol(ieee, true);
173
174
175
176
177 spin_lock_irqsave(&ieee->lock, flags);
178
179 ieee->cannot_notify = false;
180 ether_addr_copy(ieee->current_network.bssid, temp->sa_data);
181 ieee->wap_set = !is_zero_ether_addr(temp->sa_data);
182
183 spin_unlock_irqrestore(&ieee->lock, flags);
184
185 if (ifup)
186 rtllib_start_protocol(ieee);
187out:
188 mutex_unlock(&ieee->wx_mutex);
189 return ret;
190}
191EXPORT_SYMBOL(rtllib_wx_set_wap);
192
193int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,
194 union iwreq_data *wrqu, char *b)
195{
196 int len, ret = 0;
197 unsigned long flags;
198
199 if (ieee->iw_mode == IW_MODE_MONITOR)
200 return -1;
201
202
203 spin_lock_irqsave(&ieee->lock, flags);
204
205 if (ieee->current_network.ssid[0] == '\0' ||
206 ieee->current_network.ssid_len == 0) {
207 ret = -1;
208 goto out;
209 }
210
211 if (ieee->state != RTLLIB_LINKED &&
212 ieee->state != RTLLIB_LINKED_SCANNING &&
213 ieee->ssid_set == 0) {
214 ret = -1;
215 goto out;
216 }
217 len = ieee->current_network.ssid_len;
218 wrqu->essid.length = len;
219 strncpy(b, ieee->current_network.ssid, len);
220 wrqu->essid.flags = 1;
221
222out:
223 spin_unlock_irqrestore(&ieee->lock, flags);
224
225 return ret;
226
227}
228EXPORT_SYMBOL(rtllib_wx_get_essid);
229
230int rtllib_wx_set_rate(struct rtllib_device *ieee,
231 struct iw_request_info *info,
232 union iwreq_data *wrqu, char *extra)
233{
234
235 u32 target_rate = wrqu->bitrate.value;
236
237 ieee->rate = target_rate/100000;
238 return 0;
239}
240EXPORT_SYMBOL(rtllib_wx_set_rate);
241
242int rtllib_wx_get_rate(struct rtllib_device *ieee,
243 struct iw_request_info *info,
244 union iwreq_data *wrqu, char *extra)
245{
246 u32 tmp_rate;
247
248 tmp_rate = TxCountToDataRate(ieee,
249 ieee->softmac_stats.CurrentShowTxate);
250 wrqu->bitrate.value = tmp_rate * 500000;
251
252 return 0;
253}
254EXPORT_SYMBOL(rtllib_wx_get_rate);
255
256
257int rtllib_wx_set_rts(struct rtllib_device *ieee,
258 struct iw_request_info *info,
259 union iwreq_data *wrqu, char *extra)
260{
261 if (wrqu->rts.disabled || !wrqu->rts.fixed)
262 ieee->rts = DEFAULT_RTS_THRESHOLD;
263 else {
264 if (wrqu->rts.value < MIN_RTS_THRESHOLD ||
265 wrqu->rts.value > MAX_RTS_THRESHOLD)
266 return -EINVAL;
267 ieee->rts = wrqu->rts.value;
268 }
269 return 0;
270}
271EXPORT_SYMBOL(rtllib_wx_set_rts);
272
273int rtllib_wx_get_rts(struct rtllib_device *ieee,
274 struct iw_request_info *info,
275 union iwreq_data *wrqu, char *extra)
276{
277 wrqu->rts.value = ieee->rts;
278 wrqu->rts.fixed = 0;
279 wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD);
280 return 0;
281}
282EXPORT_SYMBOL(rtllib_wx_get_rts);
283
284int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a,
285 union iwreq_data *wrqu, char *b)
286{
287 int set_mode_status = 0;
288
289 rtllib_stop_scan_syncro(ieee);
290 mutex_lock(&ieee->wx_mutex);
291 switch (wrqu->mode) {
292 case IW_MODE_MONITOR:
293 case IW_MODE_ADHOC:
294 case IW_MODE_INFRA:
295 break;
296 case IW_MODE_AUTO:
297 wrqu->mode = IW_MODE_INFRA;
298 break;
299 default:
300 set_mode_status = -EINVAL;
301 goto out;
302 }
303
304 if (wrqu->mode == ieee->iw_mode)
305 goto out;
306
307 if (wrqu->mode == IW_MODE_MONITOR) {
308 ieee->dev->type = ARPHRD_IEEE80211;
309 rtllib_EnableNetMonitorMode(ieee->dev, false);
310 } else {
311 ieee->dev->type = ARPHRD_ETHER;
312 if (ieee->iw_mode == IW_MODE_MONITOR)
313 rtllib_DisableNetMonitorMode(ieee->dev, false);
314 }
315
316 if (!ieee->proto_started) {
317 ieee->iw_mode = wrqu->mode;
318 } else {
319 rtllib_stop_protocol(ieee, true);
320 ieee->iw_mode = wrqu->mode;
321 rtllib_start_protocol(ieee);
322 }
323
324out:
325 mutex_unlock(&ieee->wx_mutex);
326 return set_mode_status;
327}
328EXPORT_SYMBOL(rtllib_wx_set_mode);
329
330void rtllib_wx_sync_scan_wq(void *data)
331{
332 struct rtllib_device *ieee = container_of_work_rsl(data,
333 struct rtllib_device, wx_sync_scan_wq);
334 short chan;
335 enum ht_extchnl_offset chan_offset = 0;
336 enum ht_channel_width bandwidth = 0;
337 int b40M = 0;
338
339 if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) {
340 rtllib_start_scan_syncro(ieee, 0);
341 goto out;
342 }
343
344 chan = ieee->current_network.channel;
345
346 if (ieee->LeisurePSLeave)
347 ieee->LeisurePSLeave(ieee->dev);
348
349 rtllib_sta_ps_send_null_frame(ieee, 1);
350 rtllib_sta_ps_send_null_frame(ieee, 1);
351
352 rtllib_stop_all_queues(ieee);
353
354 if (ieee->data_hard_stop)
355 ieee->data_hard_stop(ieee->dev);
356 rtllib_stop_send_beacons(ieee);
357 ieee->state = RTLLIB_LINKED_SCANNING;
358 ieee->link_change(ieee->dev);
359
360 msleep(50);
361
362 if (ieee->ScanOperationBackupHandler)
363 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_BACKUP);
364
365 if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT &&
366 ieee->pHTInfo->bCurBW40MHz) {
367 b40M = 1;
368 chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset;
369 bandwidth = (enum ht_channel_width)ieee->pHTInfo->bCurBW40MHz;
370 RT_TRACE(COMP_DBG, "Scan in 40M, force to 20M first:%d, %d\n",
371 chan_offset, bandwidth);
372 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
373 HT_EXTCHNL_OFFSET_NO_EXT);
374 }
375
376 rtllib_start_scan_syncro(ieee, 0);
377
378 if (b40M) {
379 RT_TRACE(COMP_DBG, "Scan in 20M, back to 40M\n");
380 if (chan_offset == HT_EXTCHNL_OFFSET_UPPER)
381 ieee->set_chan(ieee->dev, chan + 2);
382 else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER)
383 ieee->set_chan(ieee->dev, chan - 2);
384 else
385 ieee->set_chan(ieee->dev, chan);
386 ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset);
387 } else {
388 ieee->set_chan(ieee->dev, chan);
389 }
390
391 if (ieee->ScanOperationBackupHandler)
392 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_RESTORE);
393
394 ieee->state = RTLLIB_LINKED;
395 ieee->link_change(ieee->dev);
396
397
398 rtllib_sta_ps_send_null_frame(ieee, 0);
399
400 if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 ||
401 ieee->LinkDetectInfo.NumRecvDataInPeriod == 0) {
402 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
403 ieee->LinkDetectInfo.NumRecvDataInPeriod = 1;
404 }
405
406 if (ieee->data_hard_resume)
407 ieee->data_hard_resume(ieee->dev);
408
409 if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER)
410 rtllib_start_send_beacons(ieee);
411
412 rtllib_wake_all_queues(ieee);
413
414out:
415 mutex_unlock(&ieee->wx_mutex);
416
417}
418
419int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a,
420 union iwreq_data *wrqu, char *b)
421{
422 int ret = 0;
423
424 mutex_lock(&ieee->wx_mutex);
425
426 if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)) {
427 ret = -1;
428 goto out;
429 }
430
431 if (ieee->state == RTLLIB_LINKED) {
432 schedule_work(&ieee->wx_sync_scan_wq);
433
434 return 0;
435 }
436
437out:
438 mutex_unlock(&ieee->wx_mutex);
439 return ret;
440}
441EXPORT_SYMBOL(rtllib_wx_set_scan);
442
443int rtllib_wx_set_essid(struct rtllib_device *ieee,
444 struct iw_request_info *a,
445 union iwreq_data *wrqu, char *extra)
446{
447
448 int ret = 0, len, i;
449 short proto_started;
450 unsigned long flags;
451
452 rtllib_stop_scan_syncro(ieee);
453 mutex_lock(&ieee->wx_mutex);
454
455 proto_started = ieee->proto_started;
456
457 len = min_t(__u16, wrqu->essid.length, IW_ESSID_MAX_SIZE);
458
459 if (ieee->iw_mode == IW_MODE_MONITOR) {
460 ret = -1;
461 goto out;
462 }
463
464 for (i = 0; i < len; i++) {
465 if (extra[i] < 0) {
466 ret = -1;
467 goto out;
468 }
469 }
470
471 if (proto_started)
472 rtllib_stop_protocol(ieee, true);
473
474
475
476
477
478 spin_lock_irqsave(&ieee->lock, flags);
479
480 if (wrqu->essid.flags && wrqu->essid.length) {
481 strncpy(ieee->current_network.ssid, extra, len);
482 ieee->current_network.ssid_len = len;
483 ieee->cannot_notify = false;
484 ieee->ssid_set = 1;
485 } else {
486 ieee->ssid_set = 0;
487 ieee->current_network.ssid[0] = '\0';
488 ieee->current_network.ssid_len = 0;
489 }
490 spin_unlock_irqrestore(&ieee->lock, flags);
491
492 if (proto_started)
493 rtllib_start_protocol(ieee);
494out:
495 mutex_unlock(&ieee->wx_mutex);
496 return ret;
497}
498EXPORT_SYMBOL(rtllib_wx_set_essid);
499
500int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a,
501 union iwreq_data *wrqu, char *b)
502{
503 wrqu->mode = ieee->iw_mode;
504 return 0;
505}
506EXPORT_SYMBOL(rtllib_wx_get_mode);
507
508int rtllib_wx_set_rawtx(struct rtllib_device *ieee,
509 struct iw_request_info *info,
510 union iwreq_data *wrqu, char *extra)
511{
512
513 int *parms = (int *)extra;
514 int enable = (parms[0] > 0);
515 short prev = ieee->raw_tx;
516
517 mutex_lock(&ieee->wx_mutex);
518
519 if (enable)
520 ieee->raw_tx = 1;
521 else
522 ieee->raw_tx = 0;
523
524 netdev_info(ieee->dev, "raw TX is %s\n",
525 ieee->raw_tx ? "enabled" : "disabled");
526
527 if (ieee->iw_mode == IW_MODE_MONITOR) {
528 if (prev == 0 && ieee->raw_tx) {
529 if (ieee->data_hard_resume)
530 ieee->data_hard_resume(ieee->dev);
531
532 netif_carrier_on(ieee->dev);
533 }
534
535 if (prev && ieee->raw_tx == 1)
536 netif_carrier_off(ieee->dev);
537 }
538
539 mutex_unlock(&ieee->wx_mutex);
540
541 return 0;
542}
543EXPORT_SYMBOL(rtllib_wx_set_rawtx);
544
545int rtllib_wx_get_name(struct rtllib_device *ieee,
546 struct iw_request_info *info,
547 union iwreq_data *wrqu, char *extra)
548{
549 strcpy(wrqu->name, "802.11");
550
551 if (ieee->modulation & RTLLIB_CCK_MODULATION)
552 strcat(wrqu->name, "b");
553 if (ieee->modulation & RTLLIB_OFDM_MODULATION)
554 strcat(wrqu->name, "g");
555 if (ieee->mode & (IEEE_N_24G | IEEE_N_5G))
556 strcat(wrqu->name, "n");
557 return 0;
558}
559EXPORT_SYMBOL(rtllib_wx_get_name);
560
561
562
563int rtllib_wx_set_power(struct rtllib_device *ieee,
564 struct iw_request_info *info,
565 union iwreq_data *wrqu, char *extra)
566{
567 int ret = 0;
568
569 if ((!ieee->sta_wake_up) ||
570 (!ieee->enter_sleep_state) ||
571 (!ieee->ps_is_queue_empty)) {
572 netdev_warn(ieee->dev,
573 "%s(): PS mode is tried to be use but driver missed a callback\n",
574 __func__);
575 return -1;
576 }
577
578 mutex_lock(&ieee->wx_mutex);
579
580 if (wrqu->power.disabled) {
581 RT_TRACE(COMP_DBG, "===>%s(): power disable\n", __func__);
582 ieee->ps = RTLLIB_PS_DISABLED;
583 goto exit;
584 }
585 if (wrqu->power.flags & IW_POWER_TIMEOUT) {
586 ieee->ps_timeout = wrqu->power.value / 1000;
587 RT_TRACE(COMP_DBG, "===>%s():ps_timeout is %d\n", __func__,
588 ieee->ps_timeout);
589 }
590
591 if (wrqu->power.flags & IW_POWER_PERIOD)
592 ieee->ps_period = wrqu->power.value / 1000;
593
594 switch (wrqu->power.flags & IW_POWER_MODE) {
595 case IW_POWER_UNICAST_R:
596 ieee->ps = RTLLIB_PS_UNICAST;
597 break;
598 case IW_POWER_MULTICAST_R:
599 ieee->ps = RTLLIB_PS_MBCAST;
600 break;
601 case IW_POWER_ALL_R:
602 ieee->ps = RTLLIB_PS_UNICAST | RTLLIB_PS_MBCAST;
603 break;
604
605 case IW_POWER_ON:
606 break;
607
608 default:
609 ret = -EINVAL;
610 goto exit;
611
612 }
613exit:
614 mutex_unlock(&ieee->wx_mutex);
615 return ret;
616
617}
618EXPORT_SYMBOL(rtllib_wx_set_power);
619
620
621int rtllib_wx_get_power(struct rtllib_device *ieee,
622 struct iw_request_info *info,
623 union iwreq_data *wrqu, char *extra)
624{
625 mutex_lock(&ieee->wx_mutex);
626
627 if (ieee->ps == RTLLIB_PS_DISABLED) {
628 wrqu->power.disabled = 1;
629 goto exit;
630 }
631
632 wrqu->power.disabled = 0;
633
634 if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
635 wrqu->power.flags = IW_POWER_TIMEOUT;
636 wrqu->power.value = ieee->ps_timeout * 1000;
637 } else {
638 wrqu->power.flags = IW_POWER_PERIOD;
639 wrqu->power.value = ieee->ps_period * 1000;
640 }
641
642 if ((ieee->ps & (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) ==
643 (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST))
644 wrqu->power.flags |= IW_POWER_ALL_R;
645 else if (ieee->ps & RTLLIB_PS_MBCAST)
646 wrqu->power.flags |= IW_POWER_MULTICAST_R;
647 else
648 wrqu->power.flags |= IW_POWER_UNICAST_R;
649
650exit:
651 mutex_unlock(&ieee->wx_mutex);
652 return 0;
653
654}
655EXPORT_SYMBOL(rtllib_wx_get_power);
656
