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