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USB: Free bandwidth when usb_disable_device is called.
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / net / mac80211 / cfg.c
blob374040337cdf4bdcc92cb791fcde8b1fd3db27d2
1 /*
2 * mac80211 configuration hooks for cfg80211
3 *
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <net/cfg80211.h>
16 #include "ieee80211_i.h"
17 #include "driver-ops.h"
18 #include "cfg.h"
19 #include "rate.h"
20 #include "mesh.h"
21
22 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
23 enum nl80211_iftype type,
24 u32 *flags,
25 struct vif_params *params)
26 {
27 struct ieee80211_local *local = wiphy_priv(wiphy);
28 struct net_device *dev;
29 struct ieee80211_sub_if_data *sdata;
30 int err;
31
32 err = ieee80211_if_add(local, name, &dev, type, params);
33 if (err)
34 return ERR_PTR(err);
35
36 if (type == NL80211_IFTYPE_MONITOR && flags) {
37 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
38 sdata->u.mntr_flags = *flags;
39 }
40
41 return dev;
42 }
43
44 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
45 {
46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
47
48 return 0;
49 }
50
51 static int ieee80211_change_iface(struct wiphy *wiphy,
52 struct net_device *dev,
53 enum nl80211_iftype type, u32 *flags,
54 struct vif_params *params)
55 {
56 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
57 int ret;
58
59 ret = ieee80211_if_change_type(sdata, type);
60 if (ret)
61 return ret;
62
63 if (type == NL80211_IFTYPE_AP_VLAN &&
64 params && params->use_4addr == 0)
65 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
66 else if (type == NL80211_IFTYPE_STATION &&
67 params && params->use_4addr >= 0)
68 sdata->u.mgd.use_4addr = params->use_4addr;
69
70 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
71 struct ieee80211_local *local = sdata->local;
72
73 if (ieee80211_sdata_running(sdata)) {
74 /*
75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
76 * changed while the interface is up.
77 * Else we would need to add a lot of cruft
78 * to update everything:
79 * cooked_mntrs, monitor and all fif_* counters
80 * reconfigure hardware
81 */
82 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
83 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
84 return -EBUSY;
85
86 ieee80211_adjust_monitor_flags(sdata, -1);
87 sdata->u.mntr_flags = *flags;
88 ieee80211_adjust_monitor_flags(sdata, 1);
89
90 ieee80211_configure_filter(local);
91 } else {
92 /*
93 * Because the interface is down, ieee80211_do_stop
94 * and ieee80211_do_open take care of "everything"
95 * mentioned in the comment above.
96 */
97 sdata->u.mntr_flags = *flags;
98 }
99 }
100
101 return 0;
102 }
103
104 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
105 u8 key_idx, bool pairwise, const u8 *mac_addr,
106 struct key_params *params)
107 {
108 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
109 struct sta_info *sta = NULL;
110 struct ieee80211_key *key;
111 int err;
112
113 if (!ieee80211_sdata_running(sdata))
114 return -ENETDOWN;
115
116 /* reject WEP and TKIP keys if WEP failed to initialize */
117 switch (params->cipher) {
118 case WLAN_CIPHER_SUITE_WEP40:
119 case WLAN_CIPHER_SUITE_TKIP:
120 case WLAN_CIPHER_SUITE_WEP104:
121 if (IS_ERR(sdata->local->wep_tx_tfm))
122 return -EINVAL;
123 break;
124 default:
125 break;
126 }
127
128 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
129 params->key, params->seq_len, params->seq);
130 if (IS_ERR(key))
131 return PTR_ERR(key);
132
133 if (pairwise)
134 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
135
136 mutex_lock(&sdata->local->sta_mtx);
137
138 if (mac_addr) {
139 sta = sta_info_get_bss(sdata, mac_addr);
140 if (!sta) {
141 ieee80211_key_free(sdata->local, key);
142 err = -ENOENT;
143 goto out_unlock;
144 }
145 }
146
147 err = ieee80211_key_link(key, sdata, sta);
148 if (err)
149 ieee80211_key_free(sdata->local, key);
150
151 out_unlock:
152 mutex_unlock(&sdata->local->sta_mtx);
153
154 return err;
155 }
156
157 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
158 u8 key_idx, bool pairwise, const u8 *mac_addr)
159 {
160 struct ieee80211_sub_if_data *sdata;
161 struct sta_info *sta;
162 int ret;
163
164 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
165
166 mutex_lock(&sdata->local->sta_mtx);
167
168 if (mac_addr) {
169 ret = -ENOENT;
170
171 sta = sta_info_get_bss(sdata, mac_addr);
172 if (!sta)
173 goto out_unlock;
174
175 if (pairwise) {
176 if (sta->ptk) {
177 ieee80211_key_free(sdata->local, sta->ptk);
178 ret = 0;
179 }
180 } else {
181 if (sta->gtk[key_idx]) {
182 ieee80211_key_free(sdata->local,
183 sta->gtk[key_idx]);
184 ret = 0;
185 }
186 }
187
188 goto out_unlock;
189 }
190
191 if (!sdata->keys[key_idx]) {
192 ret = -ENOENT;
193 goto out_unlock;
194 }
195
196 ieee80211_key_free(sdata->local, sdata->keys[key_idx]);
197 WARN_ON(sdata->keys[key_idx]);
198
199 ret = 0;
200 out_unlock:
201 mutex_unlock(&sdata->local->sta_mtx);
202
203 return ret;
204 }
205
206 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
207 u8 key_idx, bool pairwise, const u8 *mac_addr,
208 void *cookie,
209 void (*callback)(void *cookie,
210 struct key_params *params))
211 {
212 struct ieee80211_sub_if_data *sdata;
213 struct sta_info *sta = NULL;
214 u8 seq[6] = {0};
215 struct key_params params;
216 struct ieee80211_key *key = NULL;
217 u32 iv32;
218 u16 iv16;
219 int err = -ENOENT;
220
221 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
222
223 rcu_read_lock();
224
225 if (mac_addr) {
226 sta = sta_info_get_bss(sdata, mac_addr);
227 if (!sta)
228 goto out;
229
230 if (pairwise)
231 key = rcu_dereference(sta->ptk);
232 else if (key_idx < NUM_DEFAULT_KEYS)
233 key = rcu_dereference(sta->gtk[key_idx]);
234 } else
235 key = rcu_dereference(sdata->keys[key_idx]);
236
237 if (!key)
238 goto out;
239
240 memset(&params, 0, sizeof(params));
241
242 params.cipher = key->conf.cipher;
243
244 switch (key->conf.cipher) {
245 case WLAN_CIPHER_SUITE_TKIP:
246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
248
249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
252 &iv32, &iv16);
253
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
260 params.seq = seq;
261 params.seq_len = 6;
262 break;
263 case WLAN_CIPHER_SUITE_CCMP:
264 seq[0] = key->u.ccmp.tx_pn[5];
265 seq[1] = key->u.ccmp.tx_pn[4];
266 seq[2] = key->u.ccmp.tx_pn[3];
267 seq[3] = key->u.ccmp.tx_pn[2];
268 seq[4] = key->u.ccmp.tx_pn[1];
269 seq[5] = key->u.ccmp.tx_pn[0];
270 params.seq = seq;
271 params.seq_len = 6;
272 break;
273 case WLAN_CIPHER_SUITE_AES_CMAC:
274 seq[0] = key->u.aes_cmac.tx_pn[5];
275 seq[1] = key->u.aes_cmac.tx_pn[4];
276 seq[2] = key->u.aes_cmac.tx_pn[3];
277 seq[3] = key->u.aes_cmac.tx_pn[2];
278 seq[4] = key->u.aes_cmac.tx_pn[1];
279 seq[5] = key->u.aes_cmac.tx_pn[0];
280 params.seq = seq;
281 params.seq_len = 6;
282 break;
283 }
284
285 params.key = key->conf.key;
286 params.key_len = key->conf.keylen;
287
288 callback(cookie, &params);
289 err = 0;
290
291 out:
292 rcu_read_unlock();
293 return err;
294 }
295
296 static int ieee80211_config_default_key(struct wiphy *wiphy,
297 struct net_device *dev,
298 u8 key_idx, bool uni,
299 bool multi)
300 {
301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
302
303 ieee80211_set_default_key(sdata, key_idx, uni, multi);
304
305 return 0;
306 }
307
308 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
309 struct net_device *dev,
310 u8 key_idx)
311 {
312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313
314 ieee80211_set_default_mgmt_key(sdata, key_idx);
315
316 return 0;
317 }
318
319 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
320 {
321 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
322 struct ieee80211_supported_band *sband;
323 sband = sta->local->hw.wiphy->bands[
324 sta->local->hw.conf.channel->band];
325 rate->legacy = sband->bitrates[idx].bitrate;
326 } else
327 rate->mcs = idx;
328 }
329
330 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
331 {
332 struct ieee80211_sub_if_data *sdata = sta->sdata;
333
334 sinfo->generation = sdata->local->sta_generation;
335
336 sinfo->filled = STATION_INFO_INACTIVE_TIME |
337 STATION_INFO_RX_BYTES |
338 STATION_INFO_TX_BYTES |
339 STATION_INFO_RX_PACKETS |
340 STATION_INFO_TX_PACKETS |
341 STATION_INFO_TX_RETRIES |
342 STATION_INFO_TX_FAILED |
343 STATION_INFO_TX_BITRATE |
344 STATION_INFO_RX_BITRATE |
345 STATION_INFO_RX_DROP_MISC;
346
347 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
348 sinfo->rx_bytes = sta->rx_bytes;
349 sinfo->tx_bytes = sta->tx_bytes;
350 sinfo->rx_packets = sta->rx_packets;
351 sinfo->tx_packets = sta->tx_packets;
352 sinfo->tx_retries = sta->tx_retry_count;
353 sinfo->tx_failed = sta->tx_retry_failed;
354 sinfo->rx_dropped_misc = sta->rx_dropped;
355
356 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
357 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
358 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
359 sinfo->signal = (s8)sta->last_signal;
360 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
361 }
362
363 sinfo->txrate.flags = 0;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
369 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
370 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
371
372 sinfo->rxrate.flags = 0;
373 if (sta->last_rx_rate_flag & RX_FLAG_HT)
374 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
375 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
376 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
377 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
378 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
379 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
380
381 if (ieee80211_vif_is_mesh(&sdata->vif)) {
382 #ifdef CONFIG_MAC80211_MESH
383 sinfo->filled |= STATION_INFO_LLID |
384 STATION_INFO_PLID |
385 STATION_INFO_PLINK_STATE;
386
387 sinfo->llid = le16_to_cpu(sta->llid);
388 sinfo->plid = le16_to_cpu(sta->plid);
389 sinfo->plink_state = sta->plink_state;
390 #endif
391 }
392 }
393
394
395 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
396 int idx, u8 *mac, struct station_info *sinfo)
397 {
398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
399 struct sta_info *sta;
400 int ret = -ENOENT;
401
402 rcu_read_lock();
403
404 sta = sta_info_get_by_idx(sdata, idx);
405 if (sta) {
406 ret = 0;
407 memcpy(mac, sta->sta.addr, ETH_ALEN);
408 sta_set_sinfo(sta, sinfo);
409 }
410
411 rcu_read_unlock();
412
413 return ret;
414 }
415
416 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
417 int idx, struct survey_info *survey)
418 {
419 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
420
421 return drv_get_survey(local, idx, survey);
422 }
423
424 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
425 u8 *mac, struct station_info *sinfo)
426 {
427 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
428 struct sta_info *sta;
429 int ret = -ENOENT;
430
431 rcu_read_lock();
432
433 sta = sta_info_get_bss(sdata, mac);
434 if (sta) {
435 ret = 0;
436 sta_set_sinfo(sta, sinfo);
437 }
438
439 rcu_read_unlock();
440
441 return ret;
442 }
443
444 /*
445 * This handles both adding a beacon and setting new beacon info
446 */
447 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
448 struct beacon_parameters *params)
449 {
450 struct beacon_data *new, *old;
451 int new_head_len, new_tail_len;
452 int size;
453 int err = -EINVAL;
454
455 old = sdata->u.ap.beacon;
456
457 /* head must not be zero-length */
458 if (params->head && !params->head_len)
459 return -EINVAL;
460
461 /*
462 * This is a kludge. beacon interval should really be part
463 * of the beacon information.
464 */
465 if (params->interval &&
466 (sdata->vif.bss_conf.beacon_int != params->interval)) {
467 sdata->vif.bss_conf.beacon_int = params->interval;
468 ieee80211_bss_info_change_notify(sdata,
469 BSS_CHANGED_BEACON_INT);
470 }
471
472 /* Need to have a beacon head if we don't have one yet */
473 if (!params->head && !old)
474 return err;
475
476 /* sorry, no way to start beaconing without dtim period */
477 if (!params->dtim_period && !old)
478 return err;
479
480 /* new or old head? */
481 if (params->head)
482 new_head_len = params->head_len;
483 else
484 new_head_len = old->head_len;
485
486 /* new or old tail? */
487 if (params->tail || !old)
488 /* params->tail_len will be zero for !params->tail */
489 new_tail_len = params->tail_len;
490 else
491 new_tail_len = old->tail_len;
492
493 size = sizeof(*new) + new_head_len + new_tail_len;
494
495 new = kzalloc(size, GFP_KERNEL);
496 if (!new)
497 return -ENOMEM;
498
499 /* start filling the new info now */
500
501 /* new or old dtim period? */
502 if (params->dtim_period)
503 new->dtim_period = params->dtim_period;
504 else
505 new->dtim_period = old->dtim_period;
506
507 /*
508 * pointers go into the block we allocated,
509 * memory is | beacon_data | head | tail |
510 */
511 new->head = ((u8 *) new) + sizeof(*new);
512 new->tail = new->head + new_head_len;
513 new->head_len = new_head_len;
514 new->tail_len = new_tail_len;
515
516 /* copy in head */
517 if (params->head)
518 memcpy(new->head, params->head, new_head_len);
519 else
520 memcpy(new->head, old->head, new_head_len);
521
522 /* copy in optional tail */
523 if (params->tail)
524 memcpy(new->tail, params->tail, new_tail_len);
525 else
526 if (old)
527 memcpy(new->tail, old->tail, new_tail_len);
528
529 sdata->vif.bss_conf.dtim_period = new->dtim_period;
530
531 rcu_assign_pointer(sdata->u.ap.beacon, new);
532
533 synchronize_rcu();
534
535 kfree(old);
536
537 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
538 BSS_CHANGED_BEACON);
539 return 0;
540 }
541
542 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
543 struct beacon_parameters *params)
544 {
545 struct ieee80211_sub_if_data *sdata;
546 struct beacon_data *old;
547
548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
549
550 old = sdata->u.ap.beacon;
551
552 if (old)
553 return -EALREADY;
554
555 return ieee80211_config_beacon(sdata, params);
556 }
557
558 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
559 struct beacon_parameters *params)
560 {
561 struct ieee80211_sub_if_data *sdata;
562 struct beacon_data *old;
563
564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565
566 old = sdata->u.ap.beacon;
567
568 if (!old)
569 return -ENOENT;
570
571 return ieee80211_config_beacon(sdata, params);
572 }
573
574 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
575 {
576 struct ieee80211_sub_if_data *sdata;
577 struct beacon_data *old;
578
579 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
580
581 old = sdata->u.ap.beacon;
582
583 if (!old)
584 return -ENOENT;
585
586 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
587 synchronize_rcu();
588 kfree(old);
589
590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
591 return 0;
592 }
593
594 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
595 struct iapp_layer2_update {
596 u8 da[ETH_ALEN]; /* broadcast */
597 u8 sa[ETH_ALEN]; /* STA addr */
598 __be16 len; /* 6 */
599 u8 dsap; /* 0 */
600 u8 ssap; /* 0 */
601 u8 control;
602 u8 xid_info[3];
603 } __packed;
604
605 static void ieee80211_send_layer2_update(struct sta_info *sta)
606 {
607 struct iapp_layer2_update *msg;
608 struct sk_buff *skb;
609
610 /* Send Level 2 Update Frame to update forwarding tables in layer 2
611 * bridge devices */
612
613 skb = dev_alloc_skb(sizeof(*msg));
614 if (!skb)
615 return;
616 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
617
618 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
619 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
620
621 memset(msg->da, 0xff, ETH_ALEN);
622 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
623 msg->len = htons(6);
624 msg->dsap = 0;
625 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
626 msg->control = 0xaf; /* XID response lsb.1111F101.
627 * F=0 (no poll command; unsolicited frame) */
628 msg->xid_info[0] = 0x81; /* XID format identifier */
629 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
630 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
631
632 skb->dev = sta->sdata->dev;
633 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
634 memset(skb->cb, 0, sizeof(skb->cb));
635 netif_rx_ni(skb);
636 }
637
638 static void sta_apply_parameters(struct ieee80211_local *local,
639 struct sta_info *sta,
640 struct station_parameters *params)
641 {
642 unsigned long flags;
643 u32 rates;
644 int i, j;
645 struct ieee80211_supported_band *sband;
646 struct ieee80211_sub_if_data *sdata = sta->sdata;
647 u32 mask, set;
648
649 sband = local->hw.wiphy->bands[local->oper_channel->band];
650
651 spin_lock_irqsave(&sta->flaglock, flags);
652 mask = params->sta_flags_mask;
653 set = params->sta_flags_set;
654
655 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
656 sta->flags &= ~WLAN_STA_AUTHORIZED;
657 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
658 sta->flags |= WLAN_STA_AUTHORIZED;
659 }
660
661 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
662 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
663 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
664 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
665 }
666
667 if (mask & BIT(NL80211_STA_FLAG_WME)) {
668 sta->flags &= ~WLAN_STA_WME;
669 if (set & BIT(NL80211_STA_FLAG_WME))
670 sta->flags |= WLAN_STA_WME;
671 }
672
673 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
674 sta->flags &= ~WLAN_STA_MFP;
675 if (set & BIT(NL80211_STA_FLAG_MFP))
676 sta->flags |= WLAN_STA_MFP;
677 }
678 spin_unlock_irqrestore(&sta->flaglock, flags);
679
680 /*
681 * cfg80211 validates this (1-2007) and allows setting the AID
682 * only when creating a new station entry
683 */
684 if (params->aid)
685 sta->sta.aid = params->aid;
686
687 /*
688 * FIXME: updating the following information is racy when this
689 * function is called from ieee80211_change_station().
690 * However, all this information should be static so
691 * maybe we should just reject attemps to change it.
692 */
693
694 if (params->listen_interval >= 0)
695 sta->listen_interval = params->listen_interval;
696
697 if (params->supported_rates) {
698 rates = 0;
699
700 for (i = 0; i < params->supported_rates_len; i++) {
701 int rate = (params->supported_rates[i] & 0x7f) * 5;
702 for (j = 0; j < sband->n_bitrates; j++) {
703 if (sband->bitrates[j].bitrate == rate)
704 rates |= BIT(j);
705 }
706 }
707 sta->sta.supp_rates[local->oper_channel->band] = rates;
708 }
709
710 if (params->ht_capa)
711 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
712 params->ht_capa,
713 &sta->sta.ht_cap);
714
715 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
716 switch (params->plink_action) {
717 case PLINK_ACTION_OPEN:
718 mesh_plink_open(sta);
719 break;
720 case PLINK_ACTION_BLOCK:
721 mesh_plink_block(sta);
722 break;
723 }
724 }
725 }
726
727 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
728 u8 *mac, struct station_parameters *params)
729 {
730 struct ieee80211_local *local = wiphy_priv(wiphy);
731 struct sta_info *sta;
732 struct ieee80211_sub_if_data *sdata;
733 int err;
734 int layer2_update;
735
736 if (params->vlan) {
737 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
738
739 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
740 sdata->vif.type != NL80211_IFTYPE_AP)
741 return -EINVAL;
742 } else
743 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
744
745 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
746 return -EINVAL;
747
748 if (is_multicast_ether_addr(mac))
749 return -EINVAL;
750
751 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
752 if (!sta)
753 return -ENOMEM;
754
755 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
756
757 sta_apply_parameters(local, sta, params);
758
759 rate_control_rate_init(sta);
760
761 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
762 sdata->vif.type == NL80211_IFTYPE_AP;
763
764 err = sta_info_insert_rcu(sta);
765 if (err) {
766 rcu_read_unlock();
767 return err;
768 }
769
770 if (layer2_update)
771 ieee80211_send_layer2_update(sta);
772
773 rcu_read_unlock();
774
775 return 0;
776 }
777
778 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
779 u8 *mac)
780 {
781 struct ieee80211_local *local = wiphy_priv(wiphy);
782 struct ieee80211_sub_if_data *sdata;
783
784 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
785
786 if (mac)
787 return sta_info_destroy_addr_bss(sdata, mac);
788
789 sta_info_flush(local, sdata);
790 return 0;
791 }
792
793 static int ieee80211_change_station(struct wiphy *wiphy,
794 struct net_device *dev,
795 u8 *mac,
796 struct station_parameters *params)
797 {
798 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
799 struct ieee80211_local *local = wiphy_priv(wiphy);
800 struct sta_info *sta;
801 struct ieee80211_sub_if_data *vlansdata;
802
803 rcu_read_lock();
804
805 sta = sta_info_get_bss(sdata, mac);
806 if (!sta) {
807 rcu_read_unlock();
808 return -ENOENT;
809 }
810
811 if (params->vlan && params->vlan != sta->sdata->dev) {
812 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
813
814 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
815 vlansdata->vif.type != NL80211_IFTYPE_AP) {
816 rcu_read_unlock();
817 return -EINVAL;
818 }
819
820 if (params->vlan->ieee80211_ptr->use_4addr) {
821 if (vlansdata->u.vlan.sta) {
822 rcu_read_unlock();
823 return -EBUSY;
824 }
825
826 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
827 }
828
829 sta->sdata = vlansdata;
830 ieee80211_send_layer2_update(sta);
831 }
832
833 sta_apply_parameters(local, sta, params);
834
835 rcu_read_unlock();
836
837 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
838 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
839 ieee80211_recalc_ps(local, -1);
840
841 return 0;
842 }
843
844 #ifdef CONFIG_MAC80211_MESH
845 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
846 u8 *dst, u8 *next_hop)
847 {
848 struct ieee80211_sub_if_data *sdata;
849 struct mesh_path *mpath;
850 struct sta_info *sta;
851 int err;
852
853 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
854
855 rcu_read_lock();
856 sta = sta_info_get(sdata, next_hop);
857 if (!sta) {
858 rcu_read_unlock();
859 return -ENOENT;
860 }
861
862 err = mesh_path_add(dst, sdata);
863 if (err) {
864 rcu_read_unlock();
865 return err;
866 }
867
868 mpath = mesh_path_lookup(dst, sdata);
869 if (!mpath) {
870 rcu_read_unlock();
871 return -ENXIO;
872 }
873 mesh_path_fix_nexthop(mpath, sta);
874
875 rcu_read_unlock();
876 return 0;
877 }
878
879 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
880 u8 *dst)
881 {
882 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
883
884 if (dst)
885 return mesh_path_del(dst, sdata);
886
887 mesh_path_flush(sdata);
888 return 0;
889 }
890
891 static int ieee80211_change_mpath(struct wiphy *wiphy,
892 struct net_device *dev,
893 u8 *dst, u8 *next_hop)
894 {
895 struct ieee80211_sub_if_data *sdata;
896 struct mesh_path *mpath;
897 struct sta_info *sta;
898
899 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
900
901 rcu_read_lock();
902
903 sta = sta_info_get(sdata, next_hop);
904 if (!sta) {
905 rcu_read_unlock();
906 return -ENOENT;
907 }
908
909 mpath = mesh_path_lookup(dst, sdata);
910 if (!mpath) {
911 rcu_read_unlock();
912 return -ENOENT;
913 }
914
915 mesh_path_fix_nexthop(mpath, sta);
916
917 rcu_read_unlock();
918 return 0;
919 }
920
921 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
922 struct mpath_info *pinfo)
923 {
924 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
925
926 if (next_hop_sta)
927 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
928 else
929 memset(next_hop, 0, ETH_ALEN);
930
931 pinfo->generation = mesh_paths_generation;
932
933 pinfo->filled = MPATH_INFO_FRAME_QLEN |
934 MPATH_INFO_SN |
935 MPATH_INFO_METRIC |
936 MPATH_INFO_EXPTIME |
937 MPATH_INFO_DISCOVERY_TIMEOUT |
938 MPATH_INFO_DISCOVERY_RETRIES |
939 MPATH_INFO_FLAGS;
940
941 pinfo->frame_qlen = mpath->frame_queue.qlen;
942 pinfo->sn = mpath->sn;
943 pinfo->metric = mpath->metric;
944 if (time_before(jiffies, mpath->exp_time))
945 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
946 pinfo->discovery_timeout =
947 jiffies_to_msecs(mpath->discovery_timeout);
948 pinfo->discovery_retries = mpath->discovery_retries;
949 pinfo->flags = 0;
950 if (mpath->flags & MESH_PATH_ACTIVE)
951 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
952 if (mpath->flags & MESH_PATH_RESOLVING)
953 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
954 if (mpath->flags & MESH_PATH_SN_VALID)
955 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
956 if (mpath->flags & MESH_PATH_FIXED)
957 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
958 if (mpath->flags & MESH_PATH_RESOLVING)
959 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
960
961 pinfo->flags = mpath->flags;
962 }
963
964 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
965 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
966
967 {
968 struct ieee80211_sub_if_data *sdata;
969 struct mesh_path *mpath;
970
971 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
972
973 rcu_read_lock();
974 mpath = mesh_path_lookup(dst, sdata);
975 if (!mpath) {
976 rcu_read_unlock();
977 return -ENOENT;
978 }
979 memcpy(dst, mpath->dst, ETH_ALEN);
980 mpath_set_pinfo(mpath, next_hop, pinfo);
981 rcu_read_unlock();
982 return 0;
983 }
984
985 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
986 int idx, u8 *dst, u8 *next_hop,
987 struct mpath_info *pinfo)
988 {
989 struct ieee80211_sub_if_data *sdata;
990 struct mesh_path *mpath;
991
992 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
993
994 rcu_read_lock();
995 mpath = mesh_path_lookup_by_idx(idx, sdata);
996 if (!mpath) {
997 rcu_read_unlock();
998 return -ENOENT;
999 }
1000 memcpy(dst, mpath->dst, ETH_ALEN);
1001 mpath_set_pinfo(mpath, next_hop, pinfo);
1002 rcu_read_unlock();
1003 return 0;
1004 }
1005
1006 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1007 struct net_device *dev,
1008 struct mesh_config *conf)
1009 {
1010 struct ieee80211_sub_if_data *sdata;
1011 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012
1013 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1014 return 0;
1015 }
1016
1017 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1018 {
1019 return (mask >> (parm-1)) & 0x1;
1020 }
1021
1022 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1023 const struct mesh_setup *setup)
1024 {
1025 u8 *new_ie;
1026 const u8 *old_ie;
1027
1028 /* first allocate the new vendor information element */
1029 new_ie = NULL;
1030 old_ie = ifmsh->vendor_ie;
1031
1032 ifmsh->vendor_ie_len = setup->vendor_ie_len;
1033 if (setup->vendor_ie_len) {
1034 new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len,
1035 GFP_KERNEL);
1036 if (!new_ie)
1037 return -ENOMEM;
1038 }
1039
1040 /* now copy the rest of the setup parameters */
1041 ifmsh->mesh_id_len = setup->mesh_id_len;
1042 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1043 ifmsh->mesh_pp_id = setup->path_sel_proto;
1044 ifmsh->mesh_pm_id = setup->path_metric;
1045 ifmsh->vendor_ie = new_ie;
1046
1047 kfree(old_ie);
1048
1049 return 0;
1050 }
1051
1052 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1053 struct net_device *dev, u32 mask,
1054 const struct mesh_config *nconf)
1055 {
1056 struct mesh_config *conf;
1057 struct ieee80211_sub_if_data *sdata;
1058 struct ieee80211_if_mesh *ifmsh;
1059
1060 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1061 ifmsh = &sdata->u.mesh;
1062
1063 /* Set the config options which we are interested in setting */
1064 conf = &(sdata->u.mesh.mshcfg);
1065 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1066 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1067 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1068 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1069 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1070 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1071 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1072 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1073 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1074 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1075 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1076 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1077 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1078 conf->dot11MeshTTL = nconf->element_ttl;
1079 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1080 conf->auto_open_plinks = nconf->auto_open_plinks;
1081 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1082 conf->dot11MeshHWMPmaxPREQretries =
1083 nconf->dot11MeshHWMPmaxPREQretries;
1084 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1085 conf->path_refresh_time = nconf->path_refresh_time;
1086 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1087 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1088 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1089 conf->dot11MeshHWMPactivePathTimeout =
1090 nconf->dot11MeshHWMPactivePathTimeout;
1091 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1092 conf->dot11MeshHWMPpreqMinInterval =
1093 nconf->dot11MeshHWMPpreqMinInterval;
1094 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1095 mask))
1096 conf->dot11MeshHWMPnetDiameterTraversalTime =
1097 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1098 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1099 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1100 ieee80211_mesh_root_setup(ifmsh);
1101 }
1102 return 0;
1103 }
1104
1105 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1106 const struct mesh_config *conf,
1107 const struct mesh_setup *setup)
1108 {
1109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1110 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1111 int err;
1112
1113 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1114 err = copy_mesh_setup(ifmsh, setup);
1115 if (err)
1116 return err;
1117 ieee80211_start_mesh(sdata);
1118
1119 return 0;
1120 }
1121
1122 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1123 {
1124 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1125
1126 ieee80211_stop_mesh(sdata);
1127
1128 return 0;
1129 }
1130 #endif
1131
1132 static int ieee80211_change_bss(struct wiphy *wiphy,
1133 struct net_device *dev,
1134 struct bss_parameters *params)
1135 {
1136 struct ieee80211_sub_if_data *sdata;
1137 u32 changed = 0;
1138
1139 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1140
1141 if (params->use_cts_prot >= 0) {
1142 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1143 changed |= BSS_CHANGED_ERP_CTS_PROT;
1144 }
1145 if (params->use_short_preamble >= 0) {
1146 sdata->vif.bss_conf.use_short_preamble =
1147 params->use_short_preamble;
1148 changed |= BSS_CHANGED_ERP_PREAMBLE;
1149 }
1150
1151 if (!sdata->vif.bss_conf.use_short_slot &&
1152 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1153 sdata->vif.bss_conf.use_short_slot = true;
1154 changed |= BSS_CHANGED_ERP_SLOT;
1155 }
1156
1157 if (params->use_short_slot_time >= 0) {
1158 sdata->vif.bss_conf.use_short_slot =
1159 params->use_short_slot_time;
1160 changed |= BSS_CHANGED_ERP_SLOT;
1161 }
1162
1163 if (params->basic_rates) {
1164 int i, j;
1165 u32 rates = 0;
1166 struct ieee80211_local *local = wiphy_priv(wiphy);
1167 struct ieee80211_supported_band *sband =
1168 wiphy->bands[local->oper_channel->band];
1169
1170 for (i = 0; i < params->basic_rates_len; i++) {
1171 int rate = (params->basic_rates[i] & 0x7f) * 5;
1172 for (j = 0; j < sband->n_bitrates; j++) {
1173 if (sband->bitrates[j].bitrate == rate)
1174 rates |= BIT(j);
1175 }
1176 }
1177 sdata->vif.bss_conf.basic_rates = rates;
1178 changed |= BSS_CHANGED_BASIC_RATES;
1179 }
1180
1181 if (params->ap_isolate >= 0) {
1182 if (params->ap_isolate)
1183 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1184 else
1185 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1186 }
1187
1188 if (params->ht_opmode >= 0) {
1189 sdata->vif.bss_conf.ht_operation_mode =
1190 (u16) params->ht_opmode;
1191 changed |= BSS_CHANGED_HT;
1192 }
1193
1194 ieee80211_bss_info_change_notify(sdata, changed);
1195
1196 return 0;
1197 }
1198
1199 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1200 struct ieee80211_txq_params *params)
1201 {
1202 struct ieee80211_local *local = wiphy_priv(wiphy);
1203 struct ieee80211_tx_queue_params p;
1204
1205 if (!local->ops->conf_tx)
1206 return -EOPNOTSUPP;
1207
1208 memset(&p, 0, sizeof(p));
1209 p.aifs = params->aifs;
1210 p.cw_max = params->cwmax;
1211 p.cw_min = params->cwmin;
1212 p.txop = params->txop;
1213
1214 /*
1215 * Setting tx queue params disables u-apsd because it's only
1216 * called in master mode.
1217 */
1218 p.uapsd = false;
1219
1220 if (drv_conf_tx(local, params->queue, &p)) {
1221 wiphy_debug(local->hw.wiphy,
1222 "failed to set TX queue parameters for queue %d\n",
1223 params->queue);
1224 return -EINVAL;
1225 }
1226
1227 return 0;
1228 }
1229
1230 static int ieee80211_set_channel(struct wiphy *wiphy,
1231 struct net_device *netdev,
1232 struct ieee80211_channel *chan,
1233 enum nl80211_channel_type channel_type)
1234 {
1235 struct ieee80211_local *local = wiphy_priv(wiphy);
1236 struct ieee80211_sub_if_data *sdata = NULL;
1237 struct ieee80211_channel *old_oper;
1238 enum nl80211_channel_type old_oper_type;
1239 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1240
1241 if (netdev)
1242 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1243
1244 switch (ieee80211_get_channel_mode(local, NULL)) {
1245 case CHAN_MODE_HOPPING:
1246 return -EBUSY;
1247 case CHAN_MODE_FIXED:
1248 if (local->oper_channel != chan)
1249 return -EBUSY;
1250 if (!sdata && local->_oper_channel_type == channel_type)
1251 return 0;
1252 break;
1253 case CHAN_MODE_UNDEFINED:
1254 break;
1255 }
1256
1257 if (sdata)
1258 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1259 old_oper_type = local->_oper_channel_type;
1260
1261 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1262 return -EBUSY;
1263
1264 old_oper = local->oper_channel;
1265 local->oper_channel = chan;
1266
1267 /* Update driver if changes were actually made. */
1268 if ((old_oper != local->oper_channel) ||
1269 (old_oper_type != local->_oper_channel_type))
1270 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1271
1272 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
1273 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1274 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1275
1276 return 0;
1277 }
1278
1279 #ifdef CONFIG_PM
1280 static int ieee80211_suspend(struct wiphy *wiphy)
1281 {
1282 return __ieee80211_suspend(wiphy_priv(wiphy));
1283 }
1284
1285 static int ieee80211_resume(struct wiphy *wiphy)
1286 {
1287 return __ieee80211_resume(wiphy_priv(wiphy));
1288 }
1289 #else
1290 #define ieee80211_suspend NULL
1291 #define ieee80211_resume NULL
1292 #endif
1293
1294 static int ieee80211_scan(struct wiphy *wiphy,
1295 struct net_device *dev,
1296 struct cfg80211_scan_request *req)
1297 {
1298 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1299
1300 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1301 case NL80211_IFTYPE_STATION:
1302 case NL80211_IFTYPE_ADHOC:
1303 case NL80211_IFTYPE_MESH_POINT:
1304 case NL80211_IFTYPE_P2P_CLIENT:
1305 break;
1306 case NL80211_IFTYPE_P2P_GO:
1307 if (sdata->local->ops->hw_scan)
1308 break;
1309 /*
1310 * FIXME: implement NoA while scanning in software,
1311 * for now fall through to allow scanning only when
1312 * beaconing hasn't been configured yet
1313 */
1314 case NL80211_IFTYPE_AP:
1315 if (sdata->u.ap.beacon)
1316 return -EOPNOTSUPP;
1317 break;
1318 default:
1319 return -EOPNOTSUPP;
1320 }
1321
1322 return ieee80211_request_scan(sdata, req);
1323 }
1324
1325 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1326 struct cfg80211_auth_request *req)
1327 {
1328 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1329 }
1330
1331 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1332 struct cfg80211_assoc_request *req)
1333 {
1334 struct ieee80211_local *local = wiphy_priv(wiphy);
1335 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1336
1337 switch (ieee80211_get_channel_mode(local, sdata)) {
1338 case CHAN_MODE_HOPPING:
1339 return -EBUSY;
1340 case CHAN_MODE_FIXED:
1341 if (local->oper_channel == req->bss->channel)
1342 break;
1343 return -EBUSY;
1344 case CHAN_MODE_UNDEFINED:
1345 break;
1346 }
1347
1348 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1349 }
1350
1351 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1352 struct cfg80211_deauth_request *req,
1353 void *cookie)
1354 {
1355 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1356 req, cookie);
1357 }
1358
1359 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1360 struct cfg80211_disassoc_request *req,
1361 void *cookie)
1362 {
1363 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1364 req, cookie);
1365 }
1366
1367 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1368 struct cfg80211_ibss_params *params)
1369 {
1370 struct ieee80211_local *local = wiphy_priv(wiphy);
1371 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1372
1373 switch (ieee80211_get_channel_mode(local, sdata)) {
1374 case CHAN_MODE_HOPPING:
1375 return -EBUSY;
1376 case CHAN_MODE_FIXED:
1377 if (!params->channel_fixed)
1378 return -EBUSY;
1379 if (local->oper_channel == params->channel)
1380 break;
1381 return -EBUSY;
1382 case CHAN_MODE_UNDEFINED:
1383 break;
1384 }
1385
1386 return ieee80211_ibss_join(sdata, params);
1387 }
1388
1389 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1390 {
1391 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1392
1393 return ieee80211_ibss_leave(sdata);
1394 }
1395
1396 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1397 {
1398 struct ieee80211_local *local = wiphy_priv(wiphy);
1399 int err;
1400
1401 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1402 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1403
1404 if (err)
1405 return err;
1406 }
1407
1408 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1409 err = drv_set_coverage_class(local, wiphy->coverage_class);
1410
1411 if (err)
1412 return err;
1413 }
1414
1415 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1416 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1417
1418 if (err)
1419 return err;
1420 }
1421
1422 if (changed & WIPHY_PARAM_RETRY_SHORT)
1423 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1424 if (changed & WIPHY_PARAM_RETRY_LONG)
1425 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1426 if (changed &
1427 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1428 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1429
1430 return 0;
1431 }
1432
1433 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1434 enum nl80211_tx_power_setting type, int mbm)
1435 {
1436 struct ieee80211_local *local = wiphy_priv(wiphy);
1437 struct ieee80211_channel *chan = local->hw.conf.channel;
1438 u32 changes = 0;
1439
1440 switch (type) {
1441 case NL80211_TX_POWER_AUTOMATIC:
1442 local->user_power_level = -1;
1443 break;
1444 case NL80211_TX_POWER_LIMITED:
1445 if (mbm < 0 || (mbm % 100))
1446 return -EOPNOTSUPP;
1447 local->user_power_level = MBM_TO_DBM(mbm);
1448 break;
1449 case NL80211_TX_POWER_FIXED:
1450 if (mbm < 0 || (mbm % 100))
1451 return -EOPNOTSUPP;
1452 /* TODO: move to cfg80211 when it knows the channel */
1453 if (MBM_TO_DBM(mbm) > chan->max_power)
1454 return -EINVAL;
1455 local->user_power_level = MBM_TO_DBM(mbm);
1456 break;
1457 }
1458
1459 ieee80211_hw_config(local, changes);
1460
1461 return 0;
1462 }
1463
1464 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1465 {
1466 struct ieee80211_local *local = wiphy_priv(wiphy);
1467
1468 *dbm = local->hw.conf.power_level;
1469
1470 return 0;
1471 }
1472
1473 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1474 const u8 *addr)
1475 {
1476 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1477
1478 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1479
1480 return 0;
1481 }
1482
1483 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1484 {
1485 struct ieee80211_local *local = wiphy_priv(wiphy);
1486
1487 drv_rfkill_poll(local);
1488 }
1489
1490 #ifdef CONFIG_NL80211_TESTMODE
1491 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1492 {
1493 struct ieee80211_local *local = wiphy_priv(wiphy);
1494
1495 if (!local->ops->testmode_cmd)
1496 return -EOPNOTSUPP;
1497
1498 return local->ops->testmode_cmd(&local->hw, data, len);
1499 }
1500 #endif
1501
1502 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1503 enum ieee80211_smps_mode smps_mode)
1504 {
1505 const u8 *ap;
1506 enum ieee80211_smps_mode old_req;
1507 int err;
1508
1509 lockdep_assert_held(&sdata->u.mgd.mtx);
1510
1511 old_req = sdata->u.mgd.req_smps;
1512 sdata->u.mgd.req_smps = smps_mode;
1513
1514 if (old_req == smps_mode &&
1515 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1516 return 0;
1517
1518 /*
1519 * If not associated, or current association is not an HT
1520 * association, there's no need to send an action frame.
1521 */
1522 if (!sdata->u.mgd.associated ||
1523 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1524 mutex_lock(&sdata->local->iflist_mtx);
1525 ieee80211_recalc_smps(sdata->local);
1526 mutex_unlock(&sdata->local->iflist_mtx);
1527 return 0;
1528 }
1529
1530 ap = sdata->u.mgd.associated->bssid;
1531
1532 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1533 if (sdata->u.mgd.powersave)
1534 smps_mode = IEEE80211_SMPS_DYNAMIC;
1535 else
1536 smps_mode = IEEE80211_SMPS_OFF;
1537 }
1538
1539 /* send SM PS frame to AP */
1540 err = ieee80211_send_smps_action(sdata, smps_mode,
1541 ap, ap);
1542 if (err)
1543 sdata->u.mgd.req_smps = old_req;
1544
1545 return err;
1546 }
1547
1548 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1549 bool enabled, int timeout)
1550 {
1551 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1552 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1553
1554 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1555 return -EOPNOTSUPP;
1556
1557 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1558 return -EOPNOTSUPP;
1559
1560 if (enabled == sdata->u.mgd.powersave &&
1561 timeout == local->dynamic_ps_forced_timeout)
1562 return 0;
1563
1564 sdata->u.mgd.powersave = enabled;
1565 local->dynamic_ps_forced_timeout = timeout;
1566
1567 /* no change, but if automatic follow powersave */
1568 mutex_lock(&sdata->u.mgd.mtx);
1569 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1570 mutex_unlock(&sdata->u.mgd.mtx);
1571
1572 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1573 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1574
1575 ieee80211_recalc_ps(local, -1);
1576
1577 return 0;
1578 }
1579
1580 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1581 struct net_device *dev,
1582 s32 rssi_thold, u32 rssi_hyst)
1583 {
1584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1585 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1586 struct ieee80211_vif *vif = &sdata->vif;
1587 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1588
1589 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1590 rssi_hyst == bss_conf->cqm_rssi_hyst)
1591 return 0;
1592
1593 bss_conf->cqm_rssi_thold = rssi_thold;
1594 bss_conf->cqm_rssi_hyst = rssi_hyst;
1595
1596 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1597 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1598 return -EOPNOTSUPP;
1599 return 0;
1600 }
1601
1602 /* tell the driver upon association, unless already associated */
1603 if (sdata->u.mgd.associated)
1604 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1605
1606 return 0;
1607 }
1608
1609 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1610 struct net_device *dev,
1611 const u8 *addr,
1612 const struct cfg80211_bitrate_mask *mask)
1613 {
1614 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1616 int i;
1617
1618 /*
1619 * This _could_ be supported by providing a hook for
1620 * drivers for this function, but at this point it
1621 * doesn't seem worth bothering.
1622 */
1623 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1624 return -EOPNOTSUPP;
1625
1626
1627 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1628 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1629
1630 return 0;
1631 }
1632
1633 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1634 struct net_device *dev,
1635 struct ieee80211_channel *chan,
1636 enum nl80211_channel_type chantype,
1637 unsigned int duration, u64 *cookie)
1638 {
1639 int ret;
1640 u32 random_cookie;
1641
1642 lockdep_assert_held(&local->mtx);
1643
1644 if (local->hw_roc_cookie)
1645 return -EBUSY;
1646 /* must be nonzero */
1647 random_cookie = random32() | 1;
1648
1649 *cookie = random_cookie;
1650 local->hw_roc_dev = dev;
1651 local->hw_roc_cookie = random_cookie;
1652 local->hw_roc_channel = chan;
1653 local->hw_roc_channel_type = chantype;
1654 local->hw_roc_duration = duration;
1655 ret = drv_remain_on_channel(local, chan, chantype, duration);
1656 if (ret) {
1657 local->hw_roc_channel = NULL;
1658 local->hw_roc_cookie = 0;
1659 }
1660
1661 return ret;
1662 }
1663
1664 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1665 struct net_device *dev,
1666 struct ieee80211_channel *chan,
1667 enum nl80211_channel_type channel_type,
1668 unsigned int duration,
1669 u64 *cookie)
1670 {
1671 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1672 struct ieee80211_local *local = sdata->local;
1673
1674 if (local->ops->remain_on_channel) {
1675 int ret;
1676
1677 mutex_lock(&local->mtx);
1678 ret = ieee80211_remain_on_channel_hw(local, dev,
1679 chan, channel_type,
1680 duration, cookie);
1681 local->hw_roc_for_tx = false;
1682 mutex_unlock(&local->mtx);
1683
1684 return ret;
1685 }
1686
1687 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1688 duration, cookie);
1689 }
1690
1691 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1692 u64 cookie)
1693 {
1694 int ret;
1695
1696 lockdep_assert_held(&local->mtx);
1697
1698 if (local->hw_roc_cookie != cookie)
1699 return -ENOENT;
1700
1701 ret = drv_cancel_remain_on_channel(local);
1702 if (ret)
1703 return ret;
1704
1705 local->hw_roc_cookie = 0;
1706 local->hw_roc_channel = NULL;
1707
1708 ieee80211_recalc_idle(local);
1709
1710 return 0;
1711 }
1712
1713 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1714 struct net_device *dev,
1715 u64 cookie)
1716 {
1717 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1718 struct ieee80211_local *local = sdata->local;
1719
1720 if (local->ops->cancel_remain_on_channel) {
1721 int ret;
1722
1723 mutex_lock(&local->mtx);
1724 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1725 mutex_unlock(&local->mtx);
1726
1727 return ret;
1728 }
1729
1730 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1731 }
1732
1733 static enum work_done_result
1734 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1735 {
1736 /*
1737 * Use the data embedded in the work struct for reporting
1738 * here so if the driver mangled the SKB before dropping
1739 * it (which is the only way we really should get here)
1740 * then we don't report mangled data.
1741 *
1742 * If there was no wait time, then by the time we get here
1743 * the driver will likely not have reported the status yet,
1744 * so in that case userspace will have to deal with it.
1745 */
1746
1747 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1748 cfg80211_mgmt_tx_status(wk->sdata->dev,
1749 (unsigned long) wk->offchan_tx.frame,
1750 wk->ie, wk->ie_len, false, GFP_KERNEL);
1751
1752 return WORK_DONE_DESTROY;
1753 }
1754
1755 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1756 struct ieee80211_channel *chan, bool offchan,
1757 enum nl80211_channel_type channel_type,
1758 bool channel_type_valid, unsigned int wait,
1759 const u8 *buf, size_t len, u64 *cookie)
1760 {
1761 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1762 struct ieee80211_local *local = sdata->local;
1763 struct sk_buff *skb;
1764 struct sta_info *sta;
1765 struct ieee80211_work *wk;
1766 const struct ieee80211_mgmt *mgmt = (void *)buf;
1767 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1768 IEEE80211_TX_CTL_REQ_TX_STATUS;
1769 bool is_offchan = false;
1770
1771 /* Check that we are on the requested channel for transmission */
1772 if (chan != local->tmp_channel &&
1773 chan != local->oper_channel)
1774 is_offchan = true;
1775 if (channel_type_valid &&
1776 (channel_type != local->tmp_channel_type &&
1777 channel_type != local->_oper_channel_type))
1778 is_offchan = true;
1779
1780 if (chan == local->hw_roc_channel) {
1781 /* TODO: check channel type? */
1782 is_offchan = false;
1783 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1784 }
1785
1786 if (is_offchan && !offchan)
1787 return -EBUSY;
1788
1789 switch (sdata->vif.type) {
1790 case NL80211_IFTYPE_ADHOC:
1791 case NL80211_IFTYPE_AP:
1792 case NL80211_IFTYPE_AP_VLAN:
1793 case NL80211_IFTYPE_P2P_GO:
1794 case NL80211_IFTYPE_MESH_POINT:
1795 if (!ieee80211_is_action(mgmt->frame_control) ||
1796 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1797 break;
1798 rcu_read_lock();
1799 sta = sta_info_get(sdata, mgmt->da);
1800 rcu_read_unlock();
1801 if (!sta)
1802 return -ENOLINK;
1803 break;
1804 case NL80211_IFTYPE_STATION:
1805 case NL80211_IFTYPE_P2P_CLIENT:
1806 break;
1807 default:
1808 return -EOPNOTSUPP;
1809 }
1810
1811 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1812 if (!skb)
1813 return -ENOMEM;
1814 skb_reserve(skb, local->hw.extra_tx_headroom);
1815
1816 memcpy(skb_put(skb, len), buf, len);
1817
1818 IEEE80211_SKB_CB(skb)->flags = flags;
1819
1820 skb->dev = sdata->dev;
1821
1822 *cookie = (unsigned long) skb;
1823
1824 if (is_offchan && local->ops->offchannel_tx) {
1825 int ret;
1826
1827 IEEE80211_SKB_CB(skb)->band = chan->band;
1828
1829 mutex_lock(&local->mtx);
1830
1831 if (local->hw_offchan_tx_cookie) {
1832 mutex_unlock(&local->mtx);
1833 return -EBUSY;
1834 }
1835
1836 /* TODO: bitrate control, TX processing? */
1837 ret = drv_offchannel_tx(local, skb, chan, channel_type, wait);
1838
1839 if (ret == 0)
1840 local->hw_offchan_tx_cookie = *cookie;
1841 mutex_unlock(&local->mtx);
1842
1843 /*
1844 * Allow driver to return 1 to indicate it wants to have the
1845 * frame transmitted with a remain_on_channel + regular TX.
1846 */
1847 if (ret != 1)
1848 return ret;
1849 }
1850
1851 if (is_offchan && local->ops->remain_on_channel) {
1852 unsigned int duration;
1853 int ret;
1854
1855 mutex_lock(&local->mtx);
1856 /*
1857 * If the duration is zero, then the driver
1858 * wouldn't actually do anything. Set it to
1859 * 100 for now.
1860 *
1861 * TODO: cancel the off-channel operation
1862 * when we get the SKB's TX status and
1863 * the wait time was zero before.
1864 */
1865 duration = 100;
1866 if (wait)
1867 duration = wait;
1868 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
1869 channel_type,
1870 duration, cookie);
1871 if (ret) {
1872 kfree_skb(skb);
1873 mutex_unlock(&local->mtx);
1874 return ret;
1875 }
1876
1877 local->hw_roc_for_tx = true;
1878 local->hw_roc_duration = wait;
1879
1880 /*
1881 * queue up frame for transmission after
1882 * ieee80211_ready_on_channel call
1883 */
1884
1885 /* modify cookie to prevent API mismatches */
1886 *cookie ^= 2;
1887 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1888 local->hw_roc_skb = skb;
1889 local->hw_roc_skb_for_status = skb;
1890 mutex_unlock(&local->mtx);
1891
1892 return 0;
1893 }
1894
1895 /*
1896 * Can transmit right away if the channel was the
1897 * right one and there's no wait involved... If a
1898 * wait is involved, we might otherwise not be on
1899 * the right channel for long enough!
1900 */
1901 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1902 ieee80211_tx_skb(sdata, skb);
1903 return 0;
1904 }
1905
1906 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1907 if (!wk) {
1908 kfree_skb(skb);
1909 return -ENOMEM;
1910 }
1911
1912 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1913 wk->chan = chan;
1914 wk->chan_type = channel_type;
1915 wk->sdata = sdata;
1916 wk->done = ieee80211_offchan_tx_done;
1917 wk->offchan_tx.frame = skb;
1918 wk->offchan_tx.wait = wait;
1919 wk->ie_len = len;
1920 memcpy(wk->ie, buf, len);
1921
1922 ieee80211_add_work(wk);
1923 return 0;
1924 }
1925
1926 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1927 struct net_device *dev,
1928 u64 cookie)
1929 {
1930 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1931 struct ieee80211_local *local = sdata->local;
1932 struct ieee80211_work *wk;
1933 int ret = -ENOENT;
1934
1935 mutex_lock(&local->mtx);
1936
1937 if (local->ops->offchannel_tx_cancel_wait &&
1938 local->hw_offchan_tx_cookie == cookie) {
1939 ret = drv_offchannel_tx_cancel_wait(local);
1940
1941 if (!ret)
1942 local->hw_offchan_tx_cookie = 0;
1943
1944 mutex_unlock(&local->mtx);
1945
1946 return ret;
1947 }
1948
1949 if (local->ops->cancel_remain_on_channel) {
1950 cookie ^= 2;
1951 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1952
1953 if (ret == 0) {
1954 kfree_skb(local->hw_roc_skb);
1955 local->hw_roc_skb = NULL;
1956 local->hw_roc_skb_for_status = NULL;
1957 }
1958
1959 mutex_unlock(&local->mtx);
1960
1961 return ret;
1962 }
1963
1964 list_for_each_entry(wk, &local->work_list, list) {
1965 if (wk->sdata != sdata)
1966 continue;
1967
1968 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1969 continue;
1970
1971 if (cookie != (unsigned long) wk->offchan_tx.frame)
1972 continue;
1973
1974 wk->timeout = jiffies;
1975
1976 ieee80211_queue_work(&local->hw, &local->work_work);
1977 ret = 0;
1978 break;
1979 }
1980 mutex_unlock(&local->mtx);
1981
1982 return ret;
1983 }
1984
1985 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1986 struct net_device *dev,
1987 u16 frame_type, bool reg)
1988 {
1989 struct ieee80211_local *local = wiphy_priv(wiphy);
1990
1991 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1992 return;
1993
1994 if (reg)
1995 local->probe_req_reg++;
1996 else
1997 local->probe_req_reg--;
1998
1999 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2000 }
2001
2002 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2003 {
2004 struct ieee80211_local *local = wiphy_priv(wiphy);
2005
2006 if (local->started)
2007 return -EOPNOTSUPP;
2008
2009 return drv_set_antenna(local, tx_ant, rx_ant);
2010 }
2011
2012 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2013 {
2014 struct ieee80211_local *local = wiphy_priv(wiphy);
2015
2016 return drv_get_antenna(local, tx_ant, rx_ant);
2017 }
2018
2019 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2020 {
2021 struct ieee80211_local *local = wiphy_priv(wiphy);
2022
2023 return drv_set_ringparam(local, tx, rx);
2024 }
2025
2026 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2027 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2028 {
2029 struct ieee80211_local *local = wiphy_priv(wiphy);
2030
2031 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2032 }
2033
2034 struct cfg80211_ops mac80211_config_ops = {
2035 .add_virtual_intf = ieee80211_add_iface,
2036 .del_virtual_intf = ieee80211_del_iface,
2037 .change_virtual_intf = ieee80211_change_iface,
2038 .add_key = ieee80211_add_key,
2039 .del_key = ieee80211_del_key,
2040 .get_key = ieee80211_get_key,
2041 .set_default_key = ieee80211_config_default_key,
2042 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2043 .add_beacon = ieee80211_add_beacon,
2044 .set_beacon = ieee80211_set_beacon,
2045 .del_beacon = ieee80211_del_beacon,
2046 .add_station = ieee80211_add_station,
2047 .del_station = ieee80211_del_station,
2048 .change_station = ieee80211_change_station,
2049 .get_station = ieee80211_get_station,
2050 .dump_station = ieee80211_dump_station,
2051 .dump_survey = ieee80211_dump_survey,
2052 #ifdef CONFIG_MAC80211_MESH
2053 .add_mpath = ieee80211_add_mpath,
2054 .del_mpath = ieee80211_del_mpath,
2055 .change_mpath = ieee80211_change_mpath,
2056 .get_mpath = ieee80211_get_mpath,
2057 .dump_mpath = ieee80211_dump_mpath,
2058 .update_mesh_config = ieee80211_update_mesh_config,
2059 .get_mesh_config = ieee80211_get_mesh_config,
2060 .join_mesh = ieee80211_join_mesh,
2061 .leave_mesh = ieee80211_leave_mesh,
2062 #endif
2063 .change_bss = ieee80211_change_bss,
2064 .set_txq_params = ieee80211_set_txq_params,
2065 .set_channel = ieee80211_set_channel,
2066 .suspend = ieee80211_suspend,
2067 .resume = ieee80211_resume,
2068 .scan = ieee80211_scan,
2069 .auth = ieee80211_auth,
2070 .assoc = ieee80211_assoc,
2071 .deauth = ieee80211_deauth,
2072 .disassoc = ieee80211_disassoc,
2073 .join_ibss = ieee80211_join_ibss,
2074 .leave_ibss = ieee80211_leave_ibss,
2075 .set_wiphy_params = ieee80211_set_wiphy_params,
2076 .set_tx_power = ieee80211_set_tx_power,
2077 .get_tx_power = ieee80211_get_tx_power,
2078 .set_wds_peer = ieee80211_set_wds_peer,
2079 .rfkill_poll = ieee80211_rfkill_poll,
2080 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2081 .set_power_mgmt = ieee80211_set_power_mgmt,
2082 .set_bitrate_mask = ieee80211_set_bitrate_mask,
2083 .remain_on_channel = ieee80211_remain_on_channel,
2084 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2085 .mgmt_tx = ieee80211_mgmt_tx,
2086 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2087 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2088 .mgmt_frame_register = ieee80211_mgmt_frame_register,
2089 .set_antenna = ieee80211_set_antenna,
2090 .get_antenna = ieee80211_get_antenna,
2091 .set_ringparam = ieee80211_set_ringparam,
2092 .get_ringparam = ieee80211_get_ringparam,
2093 };
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree