4edd73cbf0524172fe74a2b902093468b9cf43f6
[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 <net/net_namespace.h>
13 #include <linux/rcupdate.h>
14 #include <net/cfg80211.h>
15 #include "ieee80211_i.h"
16 #include "driver-ops.h"
17 #include "cfg.h"
18 #include "rate.h"
19 #include "mesh.h"
20
21 static bool nl80211_type_check(enum nl80211_iftype type)
22 {
23         switch (type) {
24         case NL80211_IFTYPE_ADHOC:
25         case NL80211_IFTYPE_STATION:
26         case NL80211_IFTYPE_MONITOR:
27 #ifdef CONFIG_MAC80211_MESH
28         case NL80211_IFTYPE_MESH_POINT:
29 #endif
30         case NL80211_IFTYPE_AP:
31         case NL80211_IFTYPE_AP_VLAN:
32         case NL80211_IFTYPE_WDS:
33                 return true;
34         default:
35                 return false;
36         }
37 }
38
39 static bool nl80211_params_check(enum nl80211_iftype type,
40                                  struct vif_params *params)
41 {
42         if (!nl80211_type_check(type))
43                 return false;
44
45         return true;
46 }
47
48 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
49                                enum nl80211_iftype type, u32 *flags,
50                                struct vif_params *params)
51 {
52         struct ieee80211_local *local = wiphy_priv(wiphy);
53         struct net_device *dev;
54         struct ieee80211_sub_if_data *sdata;
55         int err;
56
57         if (!nl80211_params_check(type, params))
58                 return -EINVAL;
59
60         err = ieee80211_if_add(local, name, &dev, type, params);
61         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
62                 return err;
63
64         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
65         sdata->u.mntr_flags = *flags;
66         return 0;
67 }
68
69 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
70 {
71         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
72
73         return 0;
74 }
75
76 static int ieee80211_change_iface(struct wiphy *wiphy,
77                                   struct net_device *dev,
78                                   enum nl80211_iftype type, u32 *flags,
79                                   struct vif_params *params)
80 {
81         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
82         int ret;
83
84         if (ieee80211_sdata_running(sdata))
85                 return -EBUSY;
86
87         if (!nl80211_params_check(type, params))
88                 return -EINVAL;
89
90         ret = ieee80211_if_change_type(sdata, type);
91         if (ret)
92                 return ret;
93
94         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
95                 ieee80211_sdata_set_mesh_id(sdata,
96                                             params->mesh_id_len,
97                                             params->mesh_id);
98
99         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
100                 return 0;
101
102         if (type == NL80211_IFTYPE_AP_VLAN &&
103             params && params->use_4addr == 0)
104                 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
105         else if (type == NL80211_IFTYPE_STATION &&
106                  params && params->use_4addr >= 0)
107                 sdata->u.mgd.use_4addr = params->use_4addr;
108
109         sdata->u.mntr_flags = *flags;
110         return 0;
111 }
112
113 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
114                              u8 key_idx, const u8 *mac_addr,
115                              struct key_params *params)
116 {
117         struct ieee80211_sub_if_data *sdata;
118         struct sta_info *sta = NULL;
119         enum ieee80211_key_alg alg;
120         struct ieee80211_key *key;
121         int err;
122
123         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125         switch (params->cipher) {
126         case WLAN_CIPHER_SUITE_WEP40:
127         case WLAN_CIPHER_SUITE_WEP104:
128                 alg = ALG_WEP;
129                 break;
130         case WLAN_CIPHER_SUITE_TKIP:
131                 alg = ALG_TKIP;
132                 break;
133         case WLAN_CIPHER_SUITE_CCMP:
134                 alg = ALG_CCMP;
135                 break;
136         case WLAN_CIPHER_SUITE_AES_CMAC:
137                 alg = ALG_AES_CMAC;
138                 break;
139         default:
140                 return -EINVAL;
141         }
142
143         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144                                   params->seq_len, params->seq);
145         if (!key)
146                 return -ENOMEM;
147
148         rcu_read_lock();
149
150         if (mac_addr) {
151                 sta = sta_info_get_bss(sdata, mac_addr);
152                 if (!sta) {
153                         ieee80211_key_free(key);
154                         err = -ENOENT;
155                         goto out_unlock;
156                 }
157         }
158
159         ieee80211_key_link(key, sdata, sta);
160
161         err = 0;
162  out_unlock:
163         rcu_read_unlock();
164
165         return err;
166 }
167
168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
169                              u8 key_idx, const u8 *mac_addr)
170 {
171         struct ieee80211_sub_if_data *sdata;
172         struct sta_info *sta;
173         int ret;
174
175         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
177         rcu_read_lock();
178
179         if (mac_addr) {
180                 ret = -ENOENT;
181
182                 sta = sta_info_get_bss(sdata, mac_addr);
183                 if (!sta)
184                         goto out_unlock;
185
186                 if (sta->key) {
187                         ieee80211_key_free(sta->key);
188                         WARN_ON(sta->key);
189                         ret = 0;
190                 }
191
192                 goto out_unlock;
193         }
194
195         if (!sdata->keys[key_idx]) {
196                 ret = -ENOENT;
197                 goto out_unlock;
198         }
199
200         ieee80211_key_free(sdata->keys[key_idx]);
201         WARN_ON(sdata->keys[key_idx]);
202
203         ret = 0;
204  out_unlock:
205         rcu_read_unlock();
206
207         return ret;
208 }
209
210 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
211                              u8 key_idx, const u8 *mac_addr, void *cookie,
212                              void (*callback)(void *cookie,
213                                               struct key_params *params))
214 {
215         struct ieee80211_sub_if_data *sdata;
216         struct sta_info *sta = NULL;
217         u8 seq[6] = {0};
218         struct key_params params;
219         struct ieee80211_key *key;
220         u32 iv32;
221         u16 iv16;
222         int err = -ENOENT;
223
224         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
226         rcu_read_lock();
227
228         if (mac_addr) {
229                 sta = sta_info_get_bss(sdata, mac_addr);
230                 if (!sta)
231                         goto out;
232
233                 key = sta->key;
234         } else
235                 key = sdata->keys[key_idx];
236
237         if (!key)
238                 goto out;
239
240         memset(&params, 0, sizeof(params));
241
242         switch (key->conf.alg) {
243         case ALG_TKIP:
244                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
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 ALG_CCMP:
264                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265                 seq[0] = key->u.ccmp.tx_pn[5];
266                 seq[1] = key->u.ccmp.tx_pn[4];
267                 seq[2] = key->u.ccmp.tx_pn[3];
268                 seq[3] = key->u.ccmp.tx_pn[2];
269                 seq[4] = key->u.ccmp.tx_pn[1];
270                 seq[5] = key->u.ccmp.tx_pn[0];
271                 params.seq = seq;
272                 params.seq_len = 6;
273                 break;
274         case ALG_WEP:
275                 if (key->conf.keylen == 5)
276                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
277                 else
278                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
279                 break;
280         case ALG_AES_CMAC:
281                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282                 seq[0] = key->u.aes_cmac.tx_pn[5];
283                 seq[1] = key->u.aes_cmac.tx_pn[4];
284                 seq[2] = key->u.aes_cmac.tx_pn[3];
285                 seq[3] = key->u.aes_cmac.tx_pn[2];
286                 seq[4] = key->u.aes_cmac.tx_pn[1];
287                 seq[5] = key->u.aes_cmac.tx_pn[0];
288                 params.seq = seq;
289                 params.seq_len = 6;
290                 break;
291         }
292
293         params.key = key->conf.key;
294         params.key_len = key->conf.keylen;
295
296         callback(cookie, &params);
297         err = 0;
298
299  out:
300         rcu_read_unlock();
301         return err;
302 }
303
304 static int ieee80211_config_default_key(struct wiphy *wiphy,
305                                         struct net_device *dev,
306                                         u8 key_idx)
307 {
308         struct ieee80211_sub_if_data *sdata;
309
310         rcu_read_lock();
311
312         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313         ieee80211_set_default_key(sdata, key_idx);
314
315         rcu_read_unlock();
316
317         return 0;
318 }
319
320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321                                              struct net_device *dev,
322                                              u8 key_idx)
323 {
324         struct ieee80211_sub_if_data *sdata;
325
326         rcu_read_lock();
327
328         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329         ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331         rcu_read_unlock();
332
333         return 0;
334 }
335
336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337 {
338         struct ieee80211_sub_if_data *sdata = sta->sdata;
339
340         sinfo->generation = sdata->local->sta_generation;
341
342         sinfo->filled = STATION_INFO_INACTIVE_TIME |
343                         STATION_INFO_RX_BYTES |
344                         STATION_INFO_TX_BYTES |
345                         STATION_INFO_RX_PACKETS |
346                         STATION_INFO_TX_PACKETS |
347                         STATION_INFO_TX_BITRATE;
348
349         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350         sinfo->rx_bytes = sta->rx_bytes;
351         sinfo->tx_bytes = sta->tx_bytes;
352         sinfo->rx_packets = sta->rx_packets;
353         sinfo->tx_packets = sta->tx_packets;
354
355         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
357                 sinfo->filled |= STATION_INFO_SIGNAL;
358                 sinfo->signal = (s8)sta->last_signal;
359         }
360
361         sinfo->txrate.flags = 0;
362         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370                 struct ieee80211_supported_band *sband;
371                 sband = sta->local->hw.wiphy->bands[
372                                 sta->local->hw.conf.channel->band];
373                 sinfo->txrate.legacy =
374                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
375         } else
376                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
378         if (ieee80211_vif_is_mesh(&sdata->vif)) {
379 #ifdef CONFIG_MAC80211_MESH
380                 sinfo->filled |= STATION_INFO_LLID |
381                                  STATION_INFO_PLID |
382                                  STATION_INFO_PLINK_STATE;
383
384                 sinfo->llid = le16_to_cpu(sta->llid);
385                 sinfo->plid = le16_to_cpu(sta->plid);
386                 sinfo->plink_state = sta->plink_state;
387 #endif
388         }
389 }
390
391
392 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393                                  int idx, u8 *mac, struct station_info *sinfo)
394 {
395         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
396         struct sta_info *sta;
397         int ret = -ENOENT;
398
399         rcu_read_lock();
400
401         sta = sta_info_get_by_idx(sdata, idx);
402         if (sta) {
403                 ret = 0;
404                 memcpy(mac, sta->sta.addr, ETH_ALEN);
405                 sta_set_sinfo(sta, sinfo);
406         }
407
408         rcu_read_unlock();
409
410         return ret;
411 }
412
413 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
414                                  u8 *mac, struct station_info *sinfo)
415 {
416         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
417         struct sta_info *sta;
418         int ret = -ENOENT;
419
420         rcu_read_lock();
421
422         sta = sta_info_get_bss(sdata, mac);
423         if (sta) {
424                 ret = 0;
425                 sta_set_sinfo(sta, sinfo);
426         }
427
428         rcu_read_unlock();
429
430         return ret;
431 }
432
433 /*
434  * This handles both adding a beacon and setting new beacon info
435  */
436 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437                                    struct beacon_parameters *params)
438 {
439         struct beacon_data *new, *old;
440         int new_head_len, new_tail_len;
441         int size;
442         int err = -EINVAL;
443
444         old = sdata->u.ap.beacon;
445
446         /* head must not be zero-length */
447         if (params->head && !params->head_len)
448                 return -EINVAL;
449
450         /*
451          * This is a kludge. beacon interval should really be part
452          * of the beacon information.
453          */
454         if (params->interval &&
455             (sdata->vif.bss_conf.beacon_int != params->interval)) {
456                 sdata->vif.bss_conf.beacon_int = params->interval;
457                 ieee80211_bss_info_change_notify(sdata,
458                                                  BSS_CHANGED_BEACON_INT);
459         }
460
461         /* Need to have a beacon head if we don't have one yet */
462         if (!params->head && !old)
463                 return err;
464
465         /* sorry, no way to start beaconing without dtim period */
466         if (!params->dtim_period && !old)
467                 return err;
468
469         /* new or old head? */
470         if (params->head)
471                 new_head_len = params->head_len;
472         else
473                 new_head_len = old->head_len;
474
475         /* new or old tail? */
476         if (params->tail || !old)
477                 /* params->tail_len will be zero for !params->tail */
478                 new_tail_len = params->tail_len;
479         else
480                 new_tail_len = old->tail_len;
481
482         size = sizeof(*new) + new_head_len + new_tail_len;
483
484         new = kzalloc(size, GFP_KERNEL);
485         if (!new)
486                 return -ENOMEM;
487
488         /* start filling the new info now */
489
490         /* new or old dtim period? */
491         if (params->dtim_period)
492                 new->dtim_period = params->dtim_period;
493         else
494                 new->dtim_period = old->dtim_period;
495
496         /*
497          * pointers go into the block we allocated,
498          * memory is | beacon_data | head | tail |
499          */
500         new->head = ((u8 *) new) + sizeof(*new);
501         new->tail = new->head + new_head_len;
502         new->head_len = new_head_len;
503         new->tail_len = new_tail_len;
504
505         /* copy in head */
506         if (params->head)
507                 memcpy(new->head, params->head, new_head_len);
508         else
509                 memcpy(new->head, old->head, new_head_len);
510
511         /* copy in optional tail */
512         if (params->tail)
513                 memcpy(new->tail, params->tail, new_tail_len);
514         else
515                 if (old)
516                         memcpy(new->tail, old->tail, new_tail_len);
517
518         sdata->vif.bss_conf.dtim_period = new->dtim_period;
519
520         rcu_assign_pointer(sdata->u.ap.beacon, new);
521
522         synchronize_rcu();
523
524         kfree(old);
525
526         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
527                                                 BSS_CHANGED_BEACON);
528         return 0;
529 }
530
531 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
532                                 struct beacon_parameters *params)
533 {
534         struct ieee80211_sub_if_data *sdata;
535         struct beacon_data *old;
536
537         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
538
539         old = sdata->u.ap.beacon;
540
541         if (old)
542                 return -EALREADY;
543
544         return ieee80211_config_beacon(sdata, params);
545 }
546
547 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
548                                 struct beacon_parameters *params)
549 {
550         struct ieee80211_sub_if_data *sdata;
551         struct beacon_data *old;
552
553         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
555         old = sdata->u.ap.beacon;
556
557         if (!old)
558                 return -ENOENT;
559
560         return ieee80211_config_beacon(sdata, params);
561 }
562
563 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
564 {
565         struct ieee80211_sub_if_data *sdata;
566         struct beacon_data *old;
567
568         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569
570         old = sdata->u.ap.beacon;
571
572         if (!old)
573                 return -ENOENT;
574
575         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576         synchronize_rcu();
577         kfree(old);
578
579         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580         return 0;
581 }
582
583 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
584 struct iapp_layer2_update {
585         u8 da[ETH_ALEN];        /* broadcast */
586         u8 sa[ETH_ALEN];        /* STA addr */
587         __be16 len;             /* 6 */
588         u8 dsap;                /* 0 */
589         u8 ssap;                /* 0 */
590         u8 control;
591         u8 xid_info[3];
592 } __attribute__ ((packed));
593
594 static void ieee80211_send_layer2_update(struct sta_info *sta)
595 {
596         struct iapp_layer2_update *msg;
597         struct sk_buff *skb;
598
599         /* Send Level 2 Update Frame to update forwarding tables in layer 2
600          * bridge devices */
601
602         skb = dev_alloc_skb(sizeof(*msg));
603         if (!skb)
604                 return;
605         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
606
607         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
608          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
609
610         memset(msg->da, 0xff, ETH_ALEN);
611         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
612         msg->len = htons(6);
613         msg->dsap = 0;
614         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
615         msg->control = 0xaf;    /* XID response lsb.1111F101.
616                                  * F=0 (no poll command; unsolicited frame) */
617         msg->xid_info[0] = 0x81;        /* XID format identifier */
618         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
619         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
620
621         skb->dev = sta->sdata->dev;
622         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
623         memset(skb->cb, 0, sizeof(skb->cb));
624         netif_rx(skb);
625 }
626
627 static void sta_apply_parameters(struct ieee80211_local *local,
628                                  struct sta_info *sta,
629                                  struct station_parameters *params)
630 {
631         u32 rates;
632         int i, j;
633         struct ieee80211_supported_band *sband;
634         struct ieee80211_sub_if_data *sdata = sta->sdata;
635         u32 mask, set;
636
637         sband = local->hw.wiphy->bands[local->oper_channel->band];
638
639         spin_lock_bh(&sta->lock);
640         mask = params->sta_flags_mask;
641         set = params->sta_flags_set;
642
643         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
644                 sta->flags &= ~WLAN_STA_AUTHORIZED;
645                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
646                         sta->flags |= WLAN_STA_AUTHORIZED;
647         }
648
649         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
650                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
651                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
652                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
653         }
654
655         if (mask & BIT(NL80211_STA_FLAG_WME)) {
656                 sta->flags &= ~WLAN_STA_WME;
657                 if (set & BIT(NL80211_STA_FLAG_WME))
658                         sta->flags |= WLAN_STA_WME;
659         }
660
661         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
662                 sta->flags &= ~WLAN_STA_MFP;
663                 if (set & BIT(NL80211_STA_FLAG_MFP))
664                         sta->flags |= WLAN_STA_MFP;
665         }
666         spin_unlock_bh(&sta->lock);
667
668         /*
669          * cfg80211 validates this (1-2007) and allows setting the AID
670          * only when creating a new station entry
671          */
672         if (params->aid)
673                 sta->sta.aid = params->aid;
674
675         /*
676          * FIXME: updating the following information is racy when this
677          *        function is called from ieee80211_change_station().
678          *        However, all this information should be static so
679          *        maybe we should just reject attemps to change it.
680          */
681
682         if (params->listen_interval >= 0)
683                 sta->listen_interval = params->listen_interval;
684
685         if (params->supported_rates) {
686                 rates = 0;
687
688                 for (i = 0; i < params->supported_rates_len; i++) {
689                         int rate = (params->supported_rates[i] & 0x7f) * 5;
690                         for (j = 0; j < sband->n_bitrates; j++) {
691                                 if (sband->bitrates[j].bitrate == rate)
692                                         rates |= BIT(j);
693                         }
694                 }
695                 sta->sta.supp_rates[local->oper_channel->band] = rates;
696         }
697
698         if (params->ht_capa)
699                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700                                                   params->ht_capa,
701                                                   &sta->sta.ht_cap);
702
703         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
704                 switch (params->plink_action) {
705                 case PLINK_ACTION_OPEN:
706                         mesh_plink_open(sta);
707                         break;
708                 case PLINK_ACTION_BLOCK:
709                         mesh_plink_block(sta);
710                         break;
711                 }
712         }
713 }
714
715 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
716                                  u8 *mac, struct station_parameters *params)
717 {
718         struct ieee80211_local *local = wiphy_priv(wiphy);
719         struct sta_info *sta;
720         struct ieee80211_sub_if_data *sdata;
721         int err;
722         int layer2_update;
723
724         if (params->vlan) {
725                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
726
727                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
728                     sdata->vif.type != NL80211_IFTYPE_AP)
729                         return -EINVAL;
730         } else
731                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
732
733         if (compare_ether_addr(mac, sdata->vif.addr) == 0)
734                 return -EINVAL;
735
736         if (is_multicast_ether_addr(mac))
737                 return -EINVAL;
738
739         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
740         if (!sta)
741                 return -ENOMEM;
742
743         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
744
745         sta_apply_parameters(local, sta, params);
746
747         rate_control_rate_init(sta);
748
749         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
750                 sdata->vif.type == NL80211_IFTYPE_AP;
751
752         err = sta_info_insert_rcu(sta);
753         if (err) {
754                 rcu_read_unlock();
755                 return err;
756         }
757
758         if (layer2_update)
759                 ieee80211_send_layer2_update(sta);
760
761         rcu_read_unlock();
762
763         return 0;
764 }
765
766 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767                                  u8 *mac)
768 {
769         struct ieee80211_local *local = wiphy_priv(wiphy);
770         struct ieee80211_sub_if_data *sdata;
771
772         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
773
774         if (mac)
775                 return sta_info_destroy_addr_bss(sdata, mac);
776
777         sta_info_flush(local, sdata);
778         return 0;
779 }
780
781 static int ieee80211_change_station(struct wiphy *wiphy,
782                                     struct net_device *dev,
783                                     u8 *mac,
784                                     struct station_parameters *params)
785 {
786         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
787         struct ieee80211_local *local = wiphy_priv(wiphy);
788         struct sta_info *sta;
789         struct ieee80211_sub_if_data *vlansdata;
790
791         rcu_read_lock();
792
793         sta = sta_info_get_bss(sdata, mac);
794         if (!sta) {
795                 rcu_read_unlock();
796                 return -ENOENT;
797         }
798
799         if (params->vlan && params->vlan != sta->sdata->dev) {
800                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
801
802                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
803                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
804                         rcu_read_unlock();
805                         return -EINVAL;
806                 }
807
808                 if (params->vlan->ieee80211_ptr->use_4addr) {
809                         if (vlansdata->u.vlan.sta) {
810                                 rcu_read_unlock();
811                                 return -EBUSY;
812                         }
813
814                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
815                 }
816
817                 sta->sdata = vlansdata;
818                 ieee80211_send_layer2_update(sta);
819         }
820
821         sta_apply_parameters(local, sta, params);
822
823         rcu_read_unlock();
824
825         return 0;
826 }
827
828 #ifdef CONFIG_MAC80211_MESH
829 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
830                                  u8 *dst, u8 *next_hop)
831 {
832         struct ieee80211_sub_if_data *sdata;
833         struct mesh_path *mpath;
834         struct sta_info *sta;
835         int err;
836
837         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
838
839         rcu_read_lock();
840         sta = sta_info_get(sdata, next_hop);
841         if (!sta) {
842                 rcu_read_unlock();
843                 return -ENOENT;
844         }
845
846         err = mesh_path_add(dst, sdata);
847         if (err) {
848                 rcu_read_unlock();
849                 return err;
850         }
851
852         mpath = mesh_path_lookup(dst, sdata);
853         if (!mpath) {
854                 rcu_read_unlock();
855                 return -ENXIO;
856         }
857         mesh_path_fix_nexthop(mpath, sta);
858
859         rcu_read_unlock();
860         return 0;
861 }
862
863 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
864                                  u8 *dst)
865 {
866         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
867
868         if (dst)
869                 return mesh_path_del(dst, sdata);
870
871         mesh_path_flush(sdata);
872         return 0;
873 }
874
875 static int ieee80211_change_mpath(struct wiphy *wiphy,
876                                     struct net_device *dev,
877                                     u8 *dst, u8 *next_hop)
878 {
879         struct ieee80211_sub_if_data *sdata;
880         struct mesh_path *mpath;
881         struct sta_info *sta;
882
883         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
884
885         rcu_read_lock();
886
887         sta = sta_info_get(sdata, next_hop);
888         if (!sta) {
889                 rcu_read_unlock();
890                 return -ENOENT;
891         }
892
893         mpath = mesh_path_lookup(dst, sdata);
894         if (!mpath) {
895                 rcu_read_unlock();
896                 return -ENOENT;
897         }
898
899         mesh_path_fix_nexthop(mpath, sta);
900
901         rcu_read_unlock();
902         return 0;
903 }
904
905 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
906                             struct mpath_info *pinfo)
907 {
908         if (mpath->next_hop)
909                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
910         else
911                 memset(next_hop, 0, ETH_ALEN);
912
913         pinfo->generation = mesh_paths_generation;
914
915         pinfo->filled = MPATH_INFO_FRAME_QLEN |
916                         MPATH_INFO_SN |
917                         MPATH_INFO_METRIC |
918                         MPATH_INFO_EXPTIME |
919                         MPATH_INFO_DISCOVERY_TIMEOUT |
920                         MPATH_INFO_DISCOVERY_RETRIES |
921                         MPATH_INFO_FLAGS;
922
923         pinfo->frame_qlen = mpath->frame_queue.qlen;
924         pinfo->sn = mpath->sn;
925         pinfo->metric = mpath->metric;
926         if (time_before(jiffies, mpath->exp_time))
927                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
928         pinfo->discovery_timeout =
929                         jiffies_to_msecs(mpath->discovery_timeout);
930         pinfo->discovery_retries = mpath->discovery_retries;
931         pinfo->flags = 0;
932         if (mpath->flags & MESH_PATH_ACTIVE)
933                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
934         if (mpath->flags & MESH_PATH_RESOLVING)
935                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
936         if (mpath->flags & MESH_PATH_SN_VALID)
937                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
938         if (mpath->flags & MESH_PATH_FIXED)
939                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
940         if (mpath->flags & MESH_PATH_RESOLVING)
941                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
942
943         pinfo->flags = mpath->flags;
944 }
945
946 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
947                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
948
949 {
950         struct ieee80211_sub_if_data *sdata;
951         struct mesh_path *mpath;
952
953         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
954
955         rcu_read_lock();
956         mpath = mesh_path_lookup(dst, sdata);
957         if (!mpath) {
958                 rcu_read_unlock();
959                 return -ENOENT;
960         }
961         memcpy(dst, mpath->dst, ETH_ALEN);
962         mpath_set_pinfo(mpath, next_hop, pinfo);
963         rcu_read_unlock();
964         return 0;
965 }
966
967 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
968                                  int idx, u8 *dst, u8 *next_hop,
969                                  struct mpath_info *pinfo)
970 {
971         struct ieee80211_sub_if_data *sdata;
972         struct mesh_path *mpath;
973
974         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975
976         rcu_read_lock();
977         mpath = mesh_path_lookup_by_idx(idx, sdata);
978         if (!mpath) {
979                 rcu_read_unlock();
980                 return -ENOENT;
981         }
982         memcpy(dst, mpath->dst, ETH_ALEN);
983         mpath_set_pinfo(mpath, next_hop, pinfo);
984         rcu_read_unlock();
985         return 0;
986 }
987
988 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
989                                 struct net_device *dev,
990                                 struct mesh_config *conf)
991 {
992         struct ieee80211_sub_if_data *sdata;
993         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
994
995         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
996         return 0;
997 }
998
999 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1000 {
1001         return (mask >> (parm-1)) & 0x1;
1002 }
1003
1004 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1005                                 struct net_device *dev,
1006                                 const struct mesh_config *nconf, u32 mask)
1007 {
1008         struct mesh_config *conf;
1009         struct ieee80211_sub_if_data *sdata;
1010         struct ieee80211_if_mesh *ifmsh;
1011
1012         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1013         ifmsh = &sdata->u.mesh;
1014
1015         /* Set the config options which we are interested in setting */
1016         conf = &(sdata->u.mesh.mshcfg);
1017         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1018                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1019         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1020                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1021         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1022                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1023         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1024                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1025         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1026                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1027         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1028                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1029         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1030                 conf->auto_open_plinks = nconf->auto_open_plinks;
1031         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1032                 conf->dot11MeshHWMPmaxPREQretries =
1033                         nconf->dot11MeshHWMPmaxPREQretries;
1034         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1035                 conf->path_refresh_time = nconf->path_refresh_time;
1036         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1037                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1039                 conf->dot11MeshHWMPactivePathTimeout =
1040                         nconf->dot11MeshHWMPactivePathTimeout;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1042                 conf->dot11MeshHWMPpreqMinInterval =
1043                         nconf->dot11MeshHWMPpreqMinInterval;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1045                            mask))
1046                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1047                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1049                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1050                 ieee80211_mesh_root_setup(ifmsh);
1051         }
1052         return 0;
1053 }
1054
1055 #endif
1056
1057 static int ieee80211_change_bss(struct wiphy *wiphy,
1058                                 struct net_device *dev,
1059                                 struct bss_parameters *params)
1060 {
1061         struct ieee80211_sub_if_data *sdata;
1062         u32 changed = 0;
1063
1064         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1065
1066         if (params->use_cts_prot >= 0) {
1067                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1068                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1069         }
1070         if (params->use_short_preamble >= 0) {
1071                 sdata->vif.bss_conf.use_short_preamble =
1072                         params->use_short_preamble;
1073                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1074         }
1075
1076         if (!sdata->vif.bss_conf.use_short_slot &&
1077             sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1078                 sdata->vif.bss_conf.use_short_slot = true;
1079                 changed |= BSS_CHANGED_ERP_SLOT;
1080         }
1081
1082         if (params->use_short_slot_time >= 0) {
1083                 sdata->vif.bss_conf.use_short_slot =
1084                         params->use_short_slot_time;
1085                 changed |= BSS_CHANGED_ERP_SLOT;
1086         }
1087
1088         if (params->basic_rates) {
1089                 int i, j;
1090                 u32 rates = 0;
1091                 struct ieee80211_local *local = wiphy_priv(wiphy);
1092                 struct ieee80211_supported_band *sband =
1093                         wiphy->bands[local->oper_channel->band];
1094
1095                 for (i = 0; i < params->basic_rates_len; i++) {
1096                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1097                         for (j = 0; j < sband->n_bitrates; j++) {
1098                                 if (sband->bitrates[j].bitrate == rate)
1099                                         rates |= BIT(j);
1100                         }
1101                 }
1102                 sdata->vif.bss_conf.basic_rates = rates;
1103                 changed |= BSS_CHANGED_BASIC_RATES;
1104         }
1105
1106         ieee80211_bss_info_change_notify(sdata, changed);
1107
1108         return 0;
1109 }
1110
1111 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1112                                     struct ieee80211_txq_params *params)
1113 {
1114         struct ieee80211_local *local = wiphy_priv(wiphy);
1115         struct ieee80211_tx_queue_params p;
1116
1117         if (!local->ops->conf_tx)
1118                 return -EOPNOTSUPP;
1119
1120         memset(&p, 0, sizeof(p));
1121         p.aifs = params->aifs;
1122         p.cw_max = params->cwmax;
1123         p.cw_min = params->cwmin;
1124         p.txop = params->txop;
1125
1126         /*
1127          * Setting tx queue params disables u-apsd because it's only
1128          * called in master mode.
1129          */
1130         p.uapsd = false;
1131
1132         if (drv_conf_tx(local, params->queue, &p)) {
1133                 printk(KERN_DEBUG "%s: failed to set TX queue "
1134                        "parameters for queue %d\n",
1135                        wiphy_name(local->hw.wiphy), params->queue);
1136                 return -EINVAL;
1137         }
1138
1139         /* enable WMM or activate new settings */
1140         local->hw.conf.flags |= IEEE80211_CONF_QOS;
1141         drv_config(local, IEEE80211_CONF_CHANGE_QOS);
1142
1143         return 0;
1144 }
1145
1146 static int ieee80211_set_channel(struct wiphy *wiphy,
1147                                  struct ieee80211_channel *chan,
1148                                  enum nl80211_channel_type channel_type)
1149 {
1150         struct ieee80211_local *local = wiphy_priv(wiphy);
1151
1152         local->oper_channel = chan;
1153         local->oper_channel_type = channel_type;
1154
1155         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1156 }
1157
1158 #ifdef CONFIG_PM
1159 static int ieee80211_suspend(struct wiphy *wiphy)
1160 {
1161         return __ieee80211_suspend(wiphy_priv(wiphy));
1162 }
1163
1164 static int ieee80211_resume(struct wiphy *wiphy)
1165 {
1166         return __ieee80211_resume(wiphy_priv(wiphy));
1167 }
1168 #else
1169 #define ieee80211_suspend NULL
1170 #define ieee80211_resume NULL
1171 #endif
1172
1173 static int ieee80211_scan(struct wiphy *wiphy,
1174                           struct net_device *dev,
1175                           struct cfg80211_scan_request *req)
1176 {
1177         struct ieee80211_sub_if_data *sdata;
1178
1179         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1180
1181         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1182             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1183             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1184             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1185                 return -EOPNOTSUPP;
1186
1187         return ieee80211_request_scan(sdata, req);
1188 }
1189
1190 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1191                           struct cfg80211_auth_request *req)
1192 {
1193         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1194 }
1195
1196 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1197                            struct cfg80211_assoc_request *req)
1198 {
1199         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1200 }
1201
1202 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1203                             struct cfg80211_deauth_request *req,
1204                             void *cookie)
1205 {
1206         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1207                                     req, cookie);
1208 }
1209
1210 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1211                               struct cfg80211_disassoc_request *req,
1212                               void *cookie)
1213 {
1214         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1215                                       req, cookie);
1216 }
1217
1218 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1219                                struct cfg80211_ibss_params *params)
1220 {
1221         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1222
1223         return ieee80211_ibss_join(sdata, params);
1224 }
1225
1226 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1227 {
1228         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1229
1230         return ieee80211_ibss_leave(sdata);
1231 }
1232
1233 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1234 {
1235         struct ieee80211_local *local = wiphy_priv(wiphy);
1236         int err;
1237
1238         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1239                 err = drv_set_coverage_class(local, wiphy->coverage_class);
1240
1241                 if (err)
1242                         return err;
1243         }
1244
1245         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1246                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1247
1248                 if (err)
1249                         return err;
1250         }
1251
1252         if (changed & WIPHY_PARAM_RETRY_SHORT)
1253                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1254         if (changed & WIPHY_PARAM_RETRY_LONG)
1255                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1256         if (changed &
1257             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1258                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1259
1260         return 0;
1261 }
1262
1263 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1264                                   enum tx_power_setting type, int dbm)
1265 {
1266         struct ieee80211_local *local = wiphy_priv(wiphy);
1267         struct ieee80211_channel *chan = local->hw.conf.channel;
1268         u32 changes = 0;
1269
1270         switch (type) {
1271         case TX_POWER_AUTOMATIC:
1272                 local->user_power_level = -1;
1273                 break;
1274         case TX_POWER_LIMITED:
1275                 if (dbm < 0)
1276                         return -EINVAL;
1277                 local->user_power_level = dbm;
1278                 break;
1279         case TX_POWER_FIXED:
1280                 if (dbm < 0)
1281                         return -EINVAL;
1282                 /* TODO: move to cfg80211 when it knows the channel */
1283                 if (dbm > chan->max_power)
1284                         return -EINVAL;
1285                 local->user_power_level = dbm;
1286                 break;
1287         }
1288
1289         ieee80211_hw_config(local, changes);
1290
1291         return 0;
1292 }
1293
1294 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1295 {
1296         struct ieee80211_local *local = wiphy_priv(wiphy);
1297
1298         *dbm = local->hw.conf.power_level;
1299
1300         return 0;
1301 }
1302
1303 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1304                                   u8 *addr)
1305 {
1306         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1307
1308         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1309
1310         return 0;
1311 }
1312
1313 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1314 {
1315         struct ieee80211_local *local = wiphy_priv(wiphy);
1316
1317         drv_rfkill_poll(local);
1318 }
1319
1320 #ifdef CONFIG_NL80211_TESTMODE
1321 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1322 {
1323         struct ieee80211_local *local = wiphy_priv(wiphy);
1324
1325         if (!local->ops->testmode_cmd)
1326                 return -EOPNOTSUPP;
1327
1328         return local->ops->testmode_cmd(&local->hw, data, len);
1329 }
1330 #endif
1331
1332 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1333                              enum ieee80211_smps_mode smps_mode)
1334 {
1335         const u8 *ap;
1336         enum ieee80211_smps_mode old_req;
1337         int err;
1338
1339         old_req = sdata->u.mgd.req_smps;
1340         sdata->u.mgd.req_smps = smps_mode;
1341
1342         if (old_req == smps_mode &&
1343             smps_mode != IEEE80211_SMPS_AUTOMATIC)
1344                 return 0;
1345
1346         /*
1347          * If not associated, or current association is not an HT
1348          * association, there's no need to send an action frame.
1349          */
1350         if (!sdata->u.mgd.associated ||
1351             sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1352                 mutex_lock(&sdata->local->iflist_mtx);
1353                 ieee80211_recalc_smps(sdata->local, sdata);
1354                 mutex_unlock(&sdata->local->iflist_mtx);
1355                 return 0;
1356         }
1357
1358         ap = sdata->u.mgd.associated->bssid;
1359
1360         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1361                 if (sdata->u.mgd.powersave)
1362                         smps_mode = IEEE80211_SMPS_DYNAMIC;
1363                 else
1364                         smps_mode = IEEE80211_SMPS_OFF;
1365         }
1366
1367         /* send SM PS frame to AP */
1368         err = ieee80211_send_smps_action(sdata, smps_mode,
1369                                          ap, ap);
1370         if (err)
1371                 sdata->u.mgd.req_smps = old_req;
1372
1373         return err;
1374 }
1375
1376 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1377                                     bool enabled, int timeout)
1378 {
1379         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1380         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1381         struct ieee80211_conf *conf = &local->hw.conf;
1382
1383         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1384                 return -EOPNOTSUPP;
1385
1386         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1387                 return -EOPNOTSUPP;
1388
1389         if (enabled == sdata->u.mgd.powersave &&
1390             timeout == conf->dynamic_ps_timeout)
1391                 return 0;
1392
1393         sdata->u.mgd.powersave = enabled;
1394         conf->dynamic_ps_timeout = timeout;
1395
1396         /* no change, but if automatic follow powersave */
1397         mutex_lock(&sdata->u.mgd.mtx);
1398         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1399         mutex_unlock(&sdata->u.mgd.mtx);
1400
1401         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1402                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1403
1404         ieee80211_recalc_ps(local, -1);
1405
1406         return 0;
1407 }
1408
1409 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1410                                          struct net_device *dev,
1411                                          s32 rssi_thold, u32 rssi_hyst)
1412 {
1413         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1414         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1415         struct ieee80211_vif *vif = &sdata->vif;
1416         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1417
1418         if (rssi_thold == bss_conf->cqm_rssi_thold &&
1419             rssi_hyst == bss_conf->cqm_rssi_hyst)
1420                 return 0;
1421
1422         bss_conf->cqm_rssi_thold = rssi_thold;
1423         bss_conf->cqm_rssi_hyst = rssi_hyst;
1424
1425         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1426                 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1427                         return -EOPNOTSUPP;
1428                 return 0;
1429         }
1430
1431         /* tell the driver upon association, unless already associated */
1432         if (sdata->u.mgd.associated)
1433                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1434
1435         return 0;
1436 }
1437
1438 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1439                                       struct net_device *dev,
1440                                       const u8 *addr,
1441                                       const struct cfg80211_bitrate_mask *mask)
1442 {
1443         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1444         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1445         int i;
1446
1447         /*
1448          * This _could_ be supported by providing a hook for
1449          * drivers for this function, but at this point it
1450          * doesn't seem worth bothering.
1451          */
1452         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1453                 return -EOPNOTSUPP;
1454
1455
1456         for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1457                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1458
1459         return 0;
1460 }
1461
1462 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1463                                        struct net_device *dev,
1464                                        struct ieee80211_channel *chan,
1465                                        enum nl80211_channel_type channel_type,
1466                                        unsigned int duration,
1467                                        u64 *cookie)
1468 {
1469         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1470
1471         return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1472                                               duration, cookie);
1473 }
1474
1475 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1476                                               struct net_device *dev,
1477                                               u64 cookie)
1478 {
1479         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1480
1481         return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1482 }
1483
1484 static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
1485                             struct ieee80211_channel *chan,
1486                             enum nl80211_channel_type channel_type,
1487                             const u8 *buf, size_t len, u64 *cookie)
1488 {
1489         return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
1490                                     channel_type, buf, len, cookie);
1491 }
1492
1493 struct cfg80211_ops mac80211_config_ops = {
1494         .add_virtual_intf = ieee80211_add_iface,
1495         .del_virtual_intf = ieee80211_del_iface,
1496         .change_virtual_intf = ieee80211_change_iface,
1497         .add_key = ieee80211_add_key,
1498         .del_key = ieee80211_del_key,
1499         .get_key = ieee80211_get_key,
1500         .set_default_key = ieee80211_config_default_key,
1501         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1502         .add_beacon = ieee80211_add_beacon,
1503         .set_beacon = ieee80211_set_beacon,
1504         .del_beacon = ieee80211_del_beacon,
1505         .add_station = ieee80211_add_station,
1506         .del_station = ieee80211_del_station,
1507         .change_station = ieee80211_change_station,
1508         .get_station = ieee80211_get_station,
1509         .dump_station = ieee80211_dump_station,
1510 #ifdef CONFIG_MAC80211_MESH
1511         .add_mpath = ieee80211_add_mpath,
1512         .del_mpath = ieee80211_del_mpath,
1513         .change_mpath = ieee80211_change_mpath,
1514         .get_mpath = ieee80211_get_mpath,
1515         .dump_mpath = ieee80211_dump_mpath,
1516         .set_mesh_params = ieee80211_set_mesh_params,
1517         .get_mesh_params = ieee80211_get_mesh_params,
1518 #endif
1519         .change_bss = ieee80211_change_bss,
1520         .set_txq_params = ieee80211_set_txq_params,
1521         .set_channel = ieee80211_set_channel,
1522         .suspend = ieee80211_suspend,
1523         .resume = ieee80211_resume,
1524         .scan = ieee80211_scan,
1525         .auth = ieee80211_auth,
1526         .assoc = ieee80211_assoc,
1527         .deauth = ieee80211_deauth,
1528         .disassoc = ieee80211_disassoc,
1529         .join_ibss = ieee80211_join_ibss,
1530         .leave_ibss = ieee80211_leave_ibss,
1531         .set_wiphy_params = ieee80211_set_wiphy_params,
1532         .set_tx_power = ieee80211_set_tx_power,
1533         .get_tx_power = ieee80211_get_tx_power,
1534         .set_wds_peer = ieee80211_set_wds_peer,
1535         .rfkill_poll = ieee80211_rfkill_poll,
1536         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1537         .set_power_mgmt = ieee80211_set_power_mgmt,
1538         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1539         .remain_on_channel = ieee80211_remain_on_channel,
1540         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1541         .action = ieee80211_action,
1542         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1543 };