Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-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 bool nl80211_type_check(enum nl80211_iftype type)
23 {
24         switch (type) {
25         case NL80211_IFTYPE_ADHOC:
26         case NL80211_IFTYPE_STATION:
27         case NL80211_IFTYPE_MONITOR:
28 #ifdef CONFIG_MAC80211_MESH
29         case NL80211_IFTYPE_MESH_POINT:
30 #endif
31         case NL80211_IFTYPE_AP:
32         case NL80211_IFTYPE_AP_VLAN:
33         case NL80211_IFTYPE_WDS:
34                 return true;
35         default:
36                 return false;
37         }
38 }
39
40 static bool nl80211_params_check(enum nl80211_iftype type,
41                                  struct vif_params *params)
42 {
43         if (!nl80211_type_check(type))
44                 return false;
45
46         return true;
47 }
48
49 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
50                                enum nl80211_iftype type, u32 *flags,
51                                struct vif_params *params)
52 {
53         struct ieee80211_local *local = wiphy_priv(wiphy);
54         struct net_device *dev;
55         struct ieee80211_sub_if_data *sdata;
56         int err;
57
58         if (!nl80211_params_check(type, params))
59                 return -EINVAL;
60
61         err = ieee80211_if_add(local, name, &dev, type, params);
62         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
63                 return err;
64
65         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66         sdata->u.mntr_flags = *flags;
67         return 0;
68 }
69
70 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
71 {
72         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
73
74         return 0;
75 }
76
77 static int ieee80211_change_iface(struct wiphy *wiphy,
78                                   struct net_device *dev,
79                                   enum nl80211_iftype type, u32 *flags,
80                                   struct vif_params *params)
81 {
82         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
83         int ret;
84
85         if (ieee80211_sdata_running(sdata))
86                 return -EBUSY;
87
88         if (!nl80211_params_check(type, params))
89                 return -EINVAL;
90
91         ret = ieee80211_if_change_type(sdata, type);
92         if (ret)
93                 return ret;
94
95         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
96                 ieee80211_sdata_set_mesh_id(sdata,
97                                             params->mesh_id_len,
98                                             params->mesh_id);
99
100         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
101                 return 0;
102
103         if (type == NL80211_IFTYPE_AP_VLAN &&
104             params && params->use_4addr == 0)
105                 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
106         else if (type == NL80211_IFTYPE_STATION &&
107                  params && params->use_4addr >= 0)
108                 sdata->u.mgd.use_4addr = params->use_4addr;
109
110         sdata->u.mntr_flags = *flags;
111         return 0;
112 }
113
114 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
115                              u8 key_idx, const u8 *mac_addr,
116                              struct key_params *params)
117 {
118         struct ieee80211_sub_if_data *sdata;
119         struct sta_info *sta = NULL;
120         enum ieee80211_key_alg alg;
121         struct ieee80211_key *key;
122         int err;
123
124         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
125
126         switch (params->cipher) {
127         case WLAN_CIPHER_SUITE_WEP40:
128         case WLAN_CIPHER_SUITE_WEP104:
129                 alg = ALG_WEP;
130                 break;
131         case WLAN_CIPHER_SUITE_TKIP:
132                 alg = ALG_TKIP;
133                 break;
134         case WLAN_CIPHER_SUITE_CCMP:
135                 alg = ALG_CCMP;
136                 break;
137         case WLAN_CIPHER_SUITE_AES_CMAC:
138                 alg = ALG_AES_CMAC;
139                 break;
140         default:
141                 return -EINVAL;
142         }
143
144         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
145                                   params->seq_len, params->seq);
146         if (!key)
147                 return -ENOMEM;
148
149         rcu_read_lock();
150
151         if (mac_addr) {
152                 sta = sta_info_get_bss(sdata, mac_addr);
153                 if (!sta) {
154                         ieee80211_key_free(key);
155                         err = -ENOENT;
156                         goto out_unlock;
157                 }
158         }
159
160         ieee80211_key_link(key, sdata, sta);
161
162         err = 0;
163  out_unlock:
164         rcu_read_unlock();
165
166         return err;
167 }
168
169 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
170                              u8 key_idx, const u8 *mac_addr)
171 {
172         struct ieee80211_sub_if_data *sdata;
173         struct sta_info *sta;
174         int ret;
175
176         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
177
178         rcu_read_lock();
179
180         if (mac_addr) {
181                 ret = -ENOENT;
182
183                 sta = sta_info_get_bss(sdata, mac_addr);
184                 if (!sta)
185                         goto out_unlock;
186
187                 if (sta->key) {
188                         ieee80211_key_free(sta->key);
189                         WARN_ON(sta->key);
190                         ret = 0;
191                 }
192
193                 goto out_unlock;
194         }
195
196         if (!sdata->keys[key_idx]) {
197                 ret = -ENOENT;
198                 goto out_unlock;
199         }
200
201         ieee80211_key_free(sdata->keys[key_idx]);
202         WARN_ON(sdata->keys[key_idx]);
203
204         ret = 0;
205  out_unlock:
206         rcu_read_unlock();
207
208         return ret;
209 }
210
211 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
212                              u8 key_idx, const u8 *mac_addr, void *cookie,
213                              void (*callback)(void *cookie,
214                                               struct key_params *params))
215 {
216         struct ieee80211_sub_if_data *sdata;
217         struct sta_info *sta = NULL;
218         u8 seq[6] = {0};
219         struct key_params params;
220         struct ieee80211_key *key;
221         u32 iv32;
222         u16 iv16;
223         int err = -ENOENT;
224
225         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
226
227         rcu_read_lock();
228
229         if (mac_addr) {
230                 sta = sta_info_get_bss(sdata, mac_addr);
231                 if (!sta)
232                         goto out;
233
234                 key = sta->key;
235         } else
236                 key = sdata->keys[key_idx];
237
238         if (!key)
239                 goto out;
240
241         memset(&params, 0, sizeof(params));
242
243         switch (key->conf.alg) {
244         case ALG_TKIP:
245                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
246
247                 iv32 = key->u.tkip.tx.iv32;
248                 iv16 = key->u.tkip.tx.iv16;
249
250                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
251                         drv_get_tkip_seq(sdata->local,
252                                          key->conf.hw_key_idx,
253                                          &iv32, &iv16);
254
255                 seq[0] = iv16 & 0xff;
256                 seq[1] = (iv16 >> 8) & 0xff;
257                 seq[2] = iv32 & 0xff;
258                 seq[3] = (iv32 >> 8) & 0xff;
259                 seq[4] = (iv32 >> 16) & 0xff;
260                 seq[5] = (iv32 >> 24) & 0xff;
261                 params.seq = seq;
262                 params.seq_len = 6;
263                 break;
264         case ALG_CCMP:
265                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
266                 seq[0] = key->u.ccmp.tx_pn[5];
267                 seq[1] = key->u.ccmp.tx_pn[4];
268                 seq[2] = key->u.ccmp.tx_pn[3];
269                 seq[3] = key->u.ccmp.tx_pn[2];
270                 seq[4] = key->u.ccmp.tx_pn[1];
271                 seq[5] = key->u.ccmp.tx_pn[0];
272                 params.seq = seq;
273                 params.seq_len = 6;
274                 break;
275         case ALG_WEP:
276                 if (key->conf.keylen == 5)
277                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
278                 else
279                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
280                 break;
281         case ALG_AES_CMAC:
282                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
283                 seq[0] = key->u.aes_cmac.tx_pn[5];
284                 seq[1] = key->u.aes_cmac.tx_pn[4];
285                 seq[2] = key->u.aes_cmac.tx_pn[3];
286                 seq[3] = key->u.aes_cmac.tx_pn[2];
287                 seq[4] = key->u.aes_cmac.tx_pn[1];
288                 seq[5] = key->u.aes_cmac.tx_pn[0];
289                 params.seq = seq;
290                 params.seq_len = 6;
291                 break;
292         }
293
294         params.key = key->conf.key;
295         params.key_len = key->conf.keylen;
296
297         callback(cookie, &params);
298         err = 0;
299
300  out:
301         rcu_read_unlock();
302         return err;
303 }
304
305 static int ieee80211_config_default_key(struct wiphy *wiphy,
306                                         struct net_device *dev,
307                                         u8 key_idx)
308 {
309         struct ieee80211_sub_if_data *sdata;
310
311         rcu_read_lock();
312
313         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314         ieee80211_set_default_key(sdata, key_idx);
315
316         rcu_read_unlock();
317
318         return 0;
319 }
320
321 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
322                                              struct net_device *dev,
323                                              u8 key_idx)
324 {
325         struct ieee80211_sub_if_data *sdata;
326
327         rcu_read_lock();
328
329         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
330         ieee80211_set_default_mgmt_key(sdata, key_idx);
331
332         rcu_read_unlock();
333
334         return 0;
335 }
336
337 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
338 {
339         struct ieee80211_sub_if_data *sdata = sta->sdata;
340
341         sinfo->generation = sdata->local->sta_generation;
342
343         sinfo->filled = STATION_INFO_INACTIVE_TIME |
344                         STATION_INFO_RX_BYTES |
345                         STATION_INFO_TX_BYTES |
346                         STATION_INFO_RX_PACKETS |
347                         STATION_INFO_TX_PACKETS |
348                         STATION_INFO_TX_BITRATE;
349
350         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
351         sinfo->rx_bytes = sta->rx_bytes;
352         sinfo->tx_bytes = sta->tx_bytes;
353         sinfo->rx_packets = sta->rx_packets;
354         sinfo->tx_packets = sta->tx_packets;
355
356         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
357             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
358                 sinfo->filled |= STATION_INFO_SIGNAL;
359                 sinfo->signal = (s8)sta->last_signal;
360         }
361
362         sinfo->txrate.flags = 0;
363         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
364                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
365         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
366                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
367         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
368                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
369
370         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
371                 struct ieee80211_supported_band *sband;
372                 sband = sta->local->hw.wiphy->bands[
373                                 sta->local->hw.conf.channel->band];
374                 sinfo->txrate.legacy =
375                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
376         } else
377                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
378
379         if (ieee80211_vif_is_mesh(&sdata->vif)) {
380 #ifdef CONFIG_MAC80211_MESH
381                 sinfo->filled |= STATION_INFO_LLID |
382                                  STATION_INFO_PLID |
383                                  STATION_INFO_PLINK_STATE;
384
385                 sinfo->llid = le16_to_cpu(sta->llid);
386                 sinfo->plid = le16_to_cpu(sta->plid);
387                 sinfo->plink_state = sta->plink_state;
388 #endif
389         }
390 }
391
392
393 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
394                                  int idx, u8 *mac, struct station_info *sinfo)
395 {
396         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
397         struct sta_info *sta;
398         int ret = -ENOENT;
399
400         rcu_read_lock();
401
402         sta = sta_info_get_by_idx(sdata, idx);
403         if (sta) {
404                 ret = 0;
405                 memcpy(mac, sta->sta.addr, ETH_ALEN);
406                 sta_set_sinfo(sta, sinfo);
407         }
408
409         rcu_read_unlock();
410
411         return ret;
412 }
413
414 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
415                                  u8 *mac, struct station_info *sinfo)
416 {
417         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
418         struct sta_info *sta;
419         int ret = -ENOENT;
420
421         rcu_read_lock();
422
423         sta = sta_info_get_bss(sdata, mac);
424         if (sta) {
425                 ret = 0;
426                 sta_set_sinfo(sta, sinfo);
427         }
428
429         rcu_read_unlock();
430
431         return ret;
432 }
433
434 /*
435  * This handles both adding a beacon and setting new beacon info
436  */
437 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
438                                    struct beacon_parameters *params)
439 {
440         struct beacon_data *new, *old;
441         int new_head_len, new_tail_len;
442         int size;
443         int err = -EINVAL;
444
445         old = sdata->u.ap.beacon;
446
447         /* head must not be zero-length */
448         if (params->head && !params->head_len)
449                 return -EINVAL;
450
451         /*
452          * This is a kludge. beacon interval should really be part
453          * of the beacon information.
454          */
455         if (params->interval &&
456             (sdata->vif.bss_conf.beacon_int != params->interval)) {
457                 sdata->vif.bss_conf.beacon_int = params->interval;
458                 ieee80211_bss_info_change_notify(sdata,
459                                                  BSS_CHANGED_BEACON_INT);
460         }
461
462         /* Need to have a beacon head if we don't have one yet */
463         if (!params->head && !old)
464                 return err;
465
466         /* sorry, no way to start beaconing without dtim period */
467         if (!params->dtim_period && !old)
468                 return err;
469
470         /* new or old head? */
471         if (params->head)
472                 new_head_len = params->head_len;
473         else
474                 new_head_len = old->head_len;
475
476         /* new or old tail? */
477         if (params->tail || !old)
478                 /* params->tail_len will be zero for !params->tail */
479                 new_tail_len = params->tail_len;
480         else
481                 new_tail_len = old->tail_len;
482
483         size = sizeof(*new) + new_head_len + new_tail_len;
484
485         new = kzalloc(size, GFP_KERNEL);
486         if (!new)
487                 return -ENOMEM;
488
489         /* start filling the new info now */
490
491         /* new or old dtim period? */
492         if (params->dtim_period)
493                 new->dtim_period = params->dtim_period;
494         else
495                 new->dtim_period = old->dtim_period;
496
497         /*
498          * pointers go into the block we allocated,
499          * memory is | beacon_data | head | tail |
500          */
501         new->head = ((u8 *) new) + sizeof(*new);
502         new->tail = new->head + new_head_len;
503         new->head_len = new_head_len;
504         new->tail_len = new_tail_len;
505
506         /* copy in head */
507         if (params->head)
508                 memcpy(new->head, params->head, new_head_len);
509         else
510                 memcpy(new->head, old->head, new_head_len);
511
512         /* copy in optional tail */
513         if (params->tail)
514                 memcpy(new->tail, params->tail, new_tail_len);
515         else
516                 if (old)
517                         memcpy(new->tail, old->tail, new_tail_len);
518
519         sdata->vif.bss_conf.dtim_period = new->dtim_period;
520
521         rcu_assign_pointer(sdata->u.ap.beacon, new);
522
523         synchronize_rcu();
524
525         kfree(old);
526
527         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
528                                                 BSS_CHANGED_BEACON);
529         return 0;
530 }
531
532 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
533                                 struct beacon_parameters *params)
534 {
535         struct ieee80211_sub_if_data *sdata;
536         struct beacon_data *old;
537
538         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
539
540         old = sdata->u.ap.beacon;
541
542         if (old)
543                 return -EALREADY;
544
545         return ieee80211_config_beacon(sdata, params);
546 }
547
548 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
549                                 struct beacon_parameters *params)
550 {
551         struct ieee80211_sub_if_data *sdata;
552         struct beacon_data *old;
553
554         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
555
556         old = sdata->u.ap.beacon;
557
558         if (!old)
559                 return -ENOENT;
560
561         return ieee80211_config_beacon(sdata, params);
562 }
563
564 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
565 {
566         struct ieee80211_sub_if_data *sdata;
567         struct beacon_data *old;
568
569         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
570
571         old = sdata->u.ap.beacon;
572
573         if (!old)
574                 return -ENOENT;
575
576         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
577         synchronize_rcu();
578         kfree(old);
579
580         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
581         return 0;
582 }
583
584 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
585 struct iapp_layer2_update {
586         u8 da[ETH_ALEN];        /* broadcast */
587         u8 sa[ETH_ALEN];        /* STA addr */
588         __be16 len;             /* 6 */
589         u8 dsap;                /* 0 */
590         u8 ssap;                /* 0 */
591         u8 control;
592         u8 xid_info[3];
593 } __attribute__ ((packed));
594
595 static void ieee80211_send_layer2_update(struct sta_info *sta)
596 {
597         struct iapp_layer2_update *msg;
598         struct sk_buff *skb;
599
600         /* Send Level 2 Update Frame to update forwarding tables in layer 2
601          * bridge devices */
602
603         skb = dev_alloc_skb(sizeof(*msg));
604         if (!skb)
605                 return;
606         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
607
608         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
609          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
610
611         memset(msg->da, 0xff, ETH_ALEN);
612         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
613         msg->len = htons(6);
614         msg->dsap = 0;
615         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
616         msg->control = 0xaf;    /* XID response lsb.1111F101.
617                                  * F=0 (no poll command; unsolicited frame) */
618         msg->xid_info[0] = 0x81;        /* XID format identifier */
619         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
620         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
621
622         skb->dev = sta->sdata->dev;
623         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
624         memset(skb->cb, 0, sizeof(skb->cb));
625         netif_rx(skb);
626 }
627
628 static void sta_apply_parameters(struct ieee80211_local *local,
629                                  struct sta_info *sta,
630                                  struct station_parameters *params)
631 {
632         u32 rates;
633         int i, j;
634         struct ieee80211_supported_band *sband;
635         struct ieee80211_sub_if_data *sdata = sta->sdata;
636         u32 mask, set;
637
638         sband = local->hw.wiphy->bands[local->oper_channel->band];
639
640         spin_lock_bh(&sta->lock);
641         mask = params->sta_flags_mask;
642         set = params->sta_flags_set;
643
644         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
645                 sta->flags &= ~WLAN_STA_AUTHORIZED;
646                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
647                         sta->flags |= WLAN_STA_AUTHORIZED;
648         }
649
650         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
651                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
652                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
653                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
654         }
655
656         if (mask & BIT(NL80211_STA_FLAG_WME)) {
657                 sta->flags &= ~WLAN_STA_WME;
658                 if (set & BIT(NL80211_STA_FLAG_WME))
659                         sta->flags |= WLAN_STA_WME;
660         }
661
662         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
663                 sta->flags &= ~WLAN_STA_MFP;
664                 if (set & BIT(NL80211_STA_FLAG_MFP))
665                         sta->flags |= WLAN_STA_MFP;
666         }
667         spin_unlock_bh(&sta->lock);
668
669         /*
670          * cfg80211 validates this (1-2007) and allows setting the AID
671          * only when creating a new station entry
672          */
673         if (params->aid)
674                 sta->sta.aid = params->aid;
675
676         /*
677          * FIXME: updating the following information is racy when this
678          *        function is called from ieee80211_change_station().
679          *        However, all this information should be static so
680          *        maybe we should just reject attemps to change it.
681          */
682
683         if (params->listen_interval >= 0)
684                 sta->listen_interval = params->listen_interval;
685
686         if (params->supported_rates) {
687                 rates = 0;
688
689                 for (i = 0; i < params->supported_rates_len; i++) {
690                         int rate = (params->supported_rates[i] & 0x7f) * 5;
691                         for (j = 0; j < sband->n_bitrates; j++) {
692                                 if (sband->bitrates[j].bitrate == rate)
693                                         rates |= BIT(j);
694                         }
695                 }
696                 sta->sta.supp_rates[local->oper_channel->band] = rates;
697         }
698
699         if (params->ht_capa)
700                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
701                                                   params->ht_capa,
702                                                   &sta->sta.ht_cap);
703
704         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
705                 switch (params->plink_action) {
706                 case PLINK_ACTION_OPEN:
707                         mesh_plink_open(sta);
708                         break;
709                 case PLINK_ACTION_BLOCK:
710                         mesh_plink_block(sta);
711                         break;
712                 }
713         }
714 }
715
716 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
717                                  u8 *mac, struct station_parameters *params)
718 {
719         struct ieee80211_local *local = wiphy_priv(wiphy);
720         struct sta_info *sta;
721         struct ieee80211_sub_if_data *sdata;
722         int err;
723         int layer2_update;
724
725         if (params->vlan) {
726                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
727
728                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
729                     sdata->vif.type != NL80211_IFTYPE_AP)
730                         return -EINVAL;
731         } else
732                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
733
734         if (compare_ether_addr(mac, sdata->vif.addr) == 0)
735                 return -EINVAL;
736
737         if (is_multicast_ether_addr(mac))
738                 return -EINVAL;
739
740         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
741         if (!sta)
742                 return -ENOMEM;
743
744         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
745
746         sta_apply_parameters(local, sta, params);
747
748         rate_control_rate_init(sta);
749
750         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
751                 sdata->vif.type == NL80211_IFTYPE_AP;
752
753         err = sta_info_insert_rcu(sta);
754         if (err) {
755                 rcu_read_unlock();
756                 return err;
757         }
758
759         if (layer2_update)
760                 ieee80211_send_layer2_update(sta);
761
762         rcu_read_unlock();
763
764         return 0;
765 }
766
767 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
768                                  u8 *mac)
769 {
770         struct ieee80211_local *local = wiphy_priv(wiphy);
771         struct ieee80211_sub_if_data *sdata;
772
773         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774
775         if (mac)
776                 return sta_info_destroy_addr_bss(sdata, mac);
777
778         sta_info_flush(local, sdata);
779         return 0;
780 }
781
782 static int ieee80211_change_station(struct wiphy *wiphy,
783                                     struct net_device *dev,
784                                     u8 *mac,
785                                     struct station_parameters *params)
786 {
787         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
788         struct ieee80211_local *local = wiphy_priv(wiphy);
789         struct sta_info *sta;
790         struct ieee80211_sub_if_data *vlansdata;
791
792         rcu_read_lock();
793
794         sta = sta_info_get_bss(sdata, mac);
795         if (!sta) {
796                 rcu_read_unlock();
797                 return -ENOENT;
798         }
799
800         if (params->vlan && params->vlan != sta->sdata->dev) {
801                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
802
803                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
804                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
805                         rcu_read_unlock();
806                         return -EINVAL;
807                 }
808
809                 if (params->vlan->ieee80211_ptr->use_4addr) {
810                         if (vlansdata->u.vlan.sta) {
811                                 rcu_read_unlock();
812                                 return -EBUSY;
813                         }
814
815                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
816                 }
817
818                 sta->sdata = vlansdata;
819                 ieee80211_send_layer2_update(sta);
820         }
821
822         sta_apply_parameters(local, sta, params);
823
824         rcu_read_unlock();
825
826         return 0;
827 }
828
829 #ifdef CONFIG_MAC80211_MESH
830 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
831                                  u8 *dst, u8 *next_hop)
832 {
833         struct ieee80211_sub_if_data *sdata;
834         struct mesh_path *mpath;
835         struct sta_info *sta;
836         int err;
837
838         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
839
840         rcu_read_lock();
841         sta = sta_info_get(sdata, next_hop);
842         if (!sta) {
843                 rcu_read_unlock();
844                 return -ENOENT;
845         }
846
847         err = mesh_path_add(dst, sdata);
848         if (err) {
849                 rcu_read_unlock();
850                 return err;
851         }
852
853         mpath = mesh_path_lookup(dst, sdata);
854         if (!mpath) {
855                 rcu_read_unlock();
856                 return -ENXIO;
857         }
858         mesh_path_fix_nexthop(mpath, sta);
859
860         rcu_read_unlock();
861         return 0;
862 }
863
864 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
865                                  u8 *dst)
866 {
867         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
868
869         if (dst)
870                 return mesh_path_del(dst, sdata);
871
872         mesh_path_flush(sdata);
873         return 0;
874 }
875
876 static int ieee80211_change_mpath(struct wiphy *wiphy,
877                                     struct net_device *dev,
878                                     u8 *dst, u8 *next_hop)
879 {
880         struct ieee80211_sub_if_data *sdata;
881         struct mesh_path *mpath;
882         struct sta_info *sta;
883
884         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885
886         rcu_read_lock();
887
888         sta = sta_info_get(sdata, next_hop);
889         if (!sta) {
890                 rcu_read_unlock();
891                 return -ENOENT;
892         }
893
894         mpath = mesh_path_lookup(dst, sdata);
895         if (!mpath) {
896                 rcu_read_unlock();
897                 return -ENOENT;
898         }
899
900         mesh_path_fix_nexthop(mpath, sta);
901
902         rcu_read_unlock();
903         return 0;
904 }
905
906 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
907                             struct mpath_info *pinfo)
908 {
909         if (mpath->next_hop)
910                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
911         else
912                 memset(next_hop, 0, ETH_ALEN);
913
914         pinfo->generation = mesh_paths_generation;
915
916         pinfo->filled = MPATH_INFO_FRAME_QLEN |
917                         MPATH_INFO_SN |
918                         MPATH_INFO_METRIC |
919                         MPATH_INFO_EXPTIME |
920                         MPATH_INFO_DISCOVERY_TIMEOUT |
921                         MPATH_INFO_DISCOVERY_RETRIES |
922                         MPATH_INFO_FLAGS;
923
924         pinfo->frame_qlen = mpath->frame_queue.qlen;
925         pinfo->sn = mpath->sn;
926         pinfo->metric = mpath->metric;
927         if (time_before(jiffies, mpath->exp_time))
928                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
929         pinfo->discovery_timeout =
930                         jiffies_to_msecs(mpath->discovery_timeout);
931         pinfo->discovery_retries = mpath->discovery_retries;
932         pinfo->flags = 0;
933         if (mpath->flags & MESH_PATH_ACTIVE)
934                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
935         if (mpath->flags & MESH_PATH_RESOLVING)
936                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
937         if (mpath->flags & MESH_PATH_SN_VALID)
938                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
939         if (mpath->flags & MESH_PATH_FIXED)
940                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
941         if (mpath->flags & MESH_PATH_RESOLVING)
942                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
943
944         pinfo->flags = mpath->flags;
945 }
946
947 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
948                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
949
950 {
951         struct ieee80211_sub_if_data *sdata;
952         struct mesh_path *mpath;
953
954         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955
956         rcu_read_lock();
957         mpath = mesh_path_lookup(dst, sdata);
958         if (!mpath) {
959                 rcu_read_unlock();
960                 return -ENOENT;
961         }
962         memcpy(dst, mpath->dst, ETH_ALEN);
963         mpath_set_pinfo(mpath, next_hop, pinfo);
964         rcu_read_unlock();
965         return 0;
966 }
967
968 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
969                                  int idx, u8 *dst, u8 *next_hop,
970                                  struct mpath_info *pinfo)
971 {
972         struct ieee80211_sub_if_data *sdata;
973         struct mesh_path *mpath;
974
975         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976
977         rcu_read_lock();
978         mpath = mesh_path_lookup_by_idx(idx, sdata);
979         if (!mpath) {
980                 rcu_read_unlock();
981                 return -ENOENT;
982         }
983         memcpy(dst, mpath->dst, ETH_ALEN);
984         mpath_set_pinfo(mpath, next_hop, pinfo);
985         rcu_read_unlock();
986         return 0;
987 }
988
989 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
990                                 struct net_device *dev,
991                                 struct mesh_config *conf)
992 {
993         struct ieee80211_sub_if_data *sdata;
994         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
995
996         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
997         return 0;
998 }
999
1000 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1001 {
1002         return (mask >> (parm-1)) & 0x1;
1003 }
1004
1005 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1006                                 struct net_device *dev,
1007                                 const struct mesh_config *nconf, u32 mask)
1008 {
1009         struct mesh_config *conf;
1010         struct ieee80211_sub_if_data *sdata;
1011         struct ieee80211_if_mesh *ifmsh;
1012
1013         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1014         ifmsh = &sdata->u.mesh;
1015
1016         /* Set the config options which we are interested in setting */
1017         conf = &(sdata->u.mesh.mshcfg);
1018         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1019                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1020         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1021                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1022         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1023                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1024         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1025                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1026         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1027                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1028         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1029                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1030         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1031                 conf->auto_open_plinks = nconf->auto_open_plinks;
1032         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1033                 conf->dot11MeshHWMPmaxPREQretries =
1034                         nconf->dot11MeshHWMPmaxPREQretries;
1035         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1036                 conf->path_refresh_time = nconf->path_refresh_time;
1037         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1038                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1039         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1040                 conf->dot11MeshHWMPactivePathTimeout =
1041                         nconf->dot11MeshHWMPactivePathTimeout;
1042         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1043                 conf->dot11MeshHWMPpreqMinInterval =
1044                         nconf->dot11MeshHWMPpreqMinInterval;
1045         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1046                            mask))
1047                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1048                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1049         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1050                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1051                 ieee80211_mesh_root_setup(ifmsh);
1052         }
1053         return 0;
1054 }
1055
1056 #endif
1057
1058 static int ieee80211_change_bss(struct wiphy *wiphy,
1059                                 struct net_device *dev,
1060                                 struct bss_parameters *params)
1061 {
1062         struct ieee80211_sub_if_data *sdata;
1063         u32 changed = 0;
1064
1065         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1066
1067         if (params->use_cts_prot >= 0) {
1068                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1069                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1070         }
1071         if (params->use_short_preamble >= 0) {
1072                 sdata->vif.bss_conf.use_short_preamble =
1073                         params->use_short_preamble;
1074                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1075         }
1076
1077         if (!sdata->vif.bss_conf.use_short_slot &&
1078             sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1079                 sdata->vif.bss_conf.use_short_slot = true;
1080                 changed |= BSS_CHANGED_ERP_SLOT;
1081         }
1082
1083         if (params->use_short_slot_time >= 0) {
1084                 sdata->vif.bss_conf.use_short_slot =
1085                         params->use_short_slot_time;
1086                 changed |= BSS_CHANGED_ERP_SLOT;
1087         }
1088
1089         if (params->basic_rates) {
1090                 int i, j;
1091                 u32 rates = 0;
1092                 struct ieee80211_local *local = wiphy_priv(wiphy);
1093                 struct ieee80211_supported_band *sband =
1094                         wiphy->bands[local->oper_channel->band];
1095
1096                 for (i = 0; i < params->basic_rates_len; i++) {
1097                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1098                         for (j = 0; j < sband->n_bitrates; j++) {
1099                                 if (sband->bitrates[j].bitrate == rate)
1100                                         rates |= BIT(j);
1101                         }
1102                 }
1103                 sdata->vif.bss_conf.basic_rates = rates;
1104                 changed |= BSS_CHANGED_BASIC_RATES;
1105         }
1106
1107         ieee80211_bss_info_change_notify(sdata, changed);
1108
1109         return 0;
1110 }
1111
1112 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1113                                     struct ieee80211_txq_params *params)
1114 {
1115         struct ieee80211_local *local = wiphy_priv(wiphy);
1116         struct ieee80211_tx_queue_params p;
1117
1118         if (!local->ops->conf_tx)
1119                 return -EOPNOTSUPP;
1120
1121         memset(&p, 0, sizeof(p));
1122         p.aifs = params->aifs;
1123         p.cw_max = params->cwmax;
1124         p.cw_min = params->cwmin;
1125         p.txop = params->txop;
1126
1127         /*
1128          * Setting tx queue params disables u-apsd because it's only
1129          * called in master mode.
1130          */
1131         p.uapsd = false;
1132
1133         if (drv_conf_tx(local, params->queue, &p)) {
1134                 printk(KERN_DEBUG "%s: failed to set TX queue "
1135                        "parameters for queue %d\n",
1136                        wiphy_name(local->hw.wiphy), params->queue);
1137                 return -EINVAL;
1138         }
1139
1140         return 0;
1141 }
1142
1143 static int ieee80211_set_channel(struct wiphy *wiphy,
1144                                  struct ieee80211_channel *chan,
1145                                  enum nl80211_channel_type channel_type)
1146 {
1147         struct ieee80211_local *local = wiphy_priv(wiphy);
1148
1149         local->oper_channel = chan;
1150         local->oper_channel_type = channel_type;
1151
1152         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1153 }
1154
1155 #ifdef CONFIG_PM
1156 static int ieee80211_suspend(struct wiphy *wiphy)
1157 {
1158         return __ieee80211_suspend(wiphy_priv(wiphy));
1159 }
1160
1161 static int ieee80211_resume(struct wiphy *wiphy)
1162 {
1163         return __ieee80211_resume(wiphy_priv(wiphy));
1164 }
1165 #else
1166 #define ieee80211_suspend NULL
1167 #define ieee80211_resume NULL
1168 #endif
1169
1170 static int ieee80211_scan(struct wiphy *wiphy,
1171                           struct net_device *dev,
1172                           struct cfg80211_scan_request *req)
1173 {
1174         struct ieee80211_sub_if_data *sdata;
1175
1176         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
1178         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1179             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1180             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1181             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1182                 return -EOPNOTSUPP;
1183
1184         return ieee80211_request_scan(sdata, req);
1185 }
1186
1187 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1188                           struct cfg80211_auth_request *req)
1189 {
1190         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1191 }
1192
1193 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1194                            struct cfg80211_assoc_request *req)
1195 {
1196         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1197 }
1198
1199 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1200                             struct cfg80211_deauth_request *req,
1201                             void *cookie)
1202 {
1203         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1204                                     req, cookie);
1205 }
1206
1207 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1208                               struct cfg80211_disassoc_request *req,
1209                               void *cookie)
1210 {
1211         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1212                                       req, cookie);
1213 }
1214
1215 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1216                                struct cfg80211_ibss_params *params)
1217 {
1218         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1219
1220         return ieee80211_ibss_join(sdata, params);
1221 }
1222
1223 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1224 {
1225         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1226
1227         return ieee80211_ibss_leave(sdata);
1228 }
1229
1230 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1231 {
1232         struct ieee80211_local *local = wiphy_priv(wiphy);
1233         int err;
1234
1235         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1236                 err = drv_set_coverage_class(local, wiphy->coverage_class);
1237
1238                 if (err)
1239                         return err;
1240         }
1241
1242         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1243                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1244
1245                 if (err)
1246                         return err;
1247         }
1248
1249         if (changed & WIPHY_PARAM_RETRY_SHORT)
1250                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1251         if (changed & WIPHY_PARAM_RETRY_LONG)
1252                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1253         if (changed &
1254             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1255                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1256
1257         return 0;
1258 }
1259
1260 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1261                                   enum tx_power_setting type, int dbm)
1262 {
1263         struct ieee80211_local *local = wiphy_priv(wiphy);
1264         struct ieee80211_channel *chan = local->hw.conf.channel;
1265         u32 changes = 0;
1266
1267         switch (type) {
1268         case TX_POWER_AUTOMATIC:
1269                 local->user_power_level = -1;
1270                 break;
1271         case TX_POWER_LIMITED:
1272                 if (dbm < 0)
1273                         return -EINVAL;
1274                 local->user_power_level = dbm;
1275                 break;
1276         case TX_POWER_FIXED:
1277                 if (dbm < 0)
1278                         return -EINVAL;
1279                 /* TODO: move to cfg80211 when it knows the channel */
1280                 if (dbm > chan->max_power)
1281                         return -EINVAL;
1282                 local->user_power_level = dbm;
1283                 break;
1284         }
1285
1286         ieee80211_hw_config(local, changes);
1287
1288         return 0;
1289 }
1290
1291 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1292 {
1293         struct ieee80211_local *local = wiphy_priv(wiphy);
1294
1295         *dbm = local->hw.conf.power_level;
1296
1297         return 0;
1298 }
1299
1300 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1301                                   u8 *addr)
1302 {
1303         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1304
1305         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1306
1307         return 0;
1308 }
1309
1310 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1311 {
1312         struct ieee80211_local *local = wiphy_priv(wiphy);
1313
1314         drv_rfkill_poll(local);
1315 }
1316
1317 #ifdef CONFIG_NL80211_TESTMODE
1318 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1319 {
1320         struct ieee80211_local *local = wiphy_priv(wiphy);
1321
1322         if (!local->ops->testmode_cmd)
1323                 return -EOPNOTSUPP;
1324
1325         return local->ops->testmode_cmd(&local->hw, data, len);
1326 }
1327 #endif
1328
1329 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1330                              enum ieee80211_smps_mode smps_mode)
1331 {
1332         const u8 *ap;
1333         enum ieee80211_smps_mode old_req;
1334         int err;
1335
1336         old_req = sdata->u.mgd.req_smps;
1337         sdata->u.mgd.req_smps = smps_mode;
1338
1339         if (old_req == smps_mode &&
1340             smps_mode != IEEE80211_SMPS_AUTOMATIC)
1341                 return 0;
1342
1343         /*
1344          * If not associated, or current association is not an HT
1345          * association, there's no need to send an action frame.
1346          */
1347         if (!sdata->u.mgd.associated ||
1348             sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1349                 mutex_lock(&sdata->local->iflist_mtx);
1350                 ieee80211_recalc_smps(sdata->local, sdata);
1351                 mutex_unlock(&sdata->local->iflist_mtx);
1352                 return 0;
1353         }
1354
1355         ap = sdata->u.mgd.associated->bssid;
1356
1357         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1358                 if (sdata->u.mgd.powersave)
1359                         smps_mode = IEEE80211_SMPS_DYNAMIC;
1360                 else
1361                         smps_mode = IEEE80211_SMPS_OFF;
1362         }
1363
1364         /* send SM PS frame to AP */
1365         err = ieee80211_send_smps_action(sdata, smps_mode,
1366                                          ap, ap);
1367         if (err)
1368                 sdata->u.mgd.req_smps = old_req;
1369
1370         return err;
1371 }
1372
1373 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1374                                     bool enabled, int timeout)
1375 {
1376         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1377         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1378         struct ieee80211_conf *conf = &local->hw.conf;
1379
1380         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1381                 return -EOPNOTSUPP;
1382
1383         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1384                 return -EOPNOTSUPP;
1385
1386         if (enabled == sdata->u.mgd.powersave &&
1387             timeout == conf->dynamic_ps_timeout)
1388                 return 0;
1389
1390         sdata->u.mgd.powersave = enabled;
1391         conf->dynamic_ps_timeout = timeout;
1392
1393         /* no change, but if automatic follow powersave */
1394         mutex_lock(&sdata->u.mgd.mtx);
1395         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1396         mutex_unlock(&sdata->u.mgd.mtx);
1397
1398         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1399                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1400
1401         ieee80211_recalc_ps(local, -1);
1402
1403         return 0;
1404 }
1405
1406 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1407                                          struct net_device *dev,
1408                                          s32 rssi_thold, u32 rssi_hyst)
1409 {
1410         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1411         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1412         struct ieee80211_vif *vif = &sdata->vif;
1413         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1414
1415         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI))
1416                 return -EOPNOTSUPP;
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         /* tell the driver upon association, unless already associated */
1426         if (sdata->u.mgd.associated)
1427                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1428
1429         return 0;
1430 }
1431
1432 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1433                                       struct net_device *dev,
1434                                       const u8 *addr,
1435                                       const struct cfg80211_bitrate_mask *mask)
1436 {
1437         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1438         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1439         int i;
1440
1441         /*
1442          * This _could_ be supported by providing a hook for
1443          * drivers for this function, but at this point it
1444          * doesn't seem worth bothering.
1445          */
1446         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1447                 return -EOPNOTSUPP;
1448
1449
1450         for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1451                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1452
1453         return 0;
1454 }
1455
1456 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1457                                        struct net_device *dev,
1458                                        struct ieee80211_channel *chan,
1459                                        enum nl80211_channel_type channel_type,
1460                                        unsigned int duration,
1461                                        u64 *cookie)
1462 {
1463         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1464
1465         return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1466                                               duration, cookie);
1467 }
1468
1469 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1470                                               struct net_device *dev,
1471                                               u64 cookie)
1472 {
1473         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1474
1475         return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1476 }
1477
1478 static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
1479                             struct ieee80211_channel *chan,
1480                             enum nl80211_channel_type channel_type,
1481                             const u8 *buf, size_t len, u64 *cookie)
1482 {
1483         return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
1484                                     channel_type, buf, len, cookie);
1485 }
1486
1487 struct cfg80211_ops mac80211_config_ops = {
1488         .add_virtual_intf = ieee80211_add_iface,
1489         .del_virtual_intf = ieee80211_del_iface,
1490         .change_virtual_intf = ieee80211_change_iface,
1491         .add_key = ieee80211_add_key,
1492         .del_key = ieee80211_del_key,
1493         .get_key = ieee80211_get_key,
1494         .set_default_key = ieee80211_config_default_key,
1495         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1496         .add_beacon = ieee80211_add_beacon,
1497         .set_beacon = ieee80211_set_beacon,
1498         .del_beacon = ieee80211_del_beacon,
1499         .add_station = ieee80211_add_station,
1500         .del_station = ieee80211_del_station,
1501         .change_station = ieee80211_change_station,
1502         .get_station = ieee80211_get_station,
1503         .dump_station = ieee80211_dump_station,
1504 #ifdef CONFIG_MAC80211_MESH
1505         .add_mpath = ieee80211_add_mpath,
1506         .del_mpath = ieee80211_del_mpath,
1507         .change_mpath = ieee80211_change_mpath,
1508         .get_mpath = ieee80211_get_mpath,
1509         .dump_mpath = ieee80211_dump_mpath,
1510         .set_mesh_params = ieee80211_set_mesh_params,
1511         .get_mesh_params = ieee80211_get_mesh_params,
1512 #endif
1513         .change_bss = ieee80211_change_bss,
1514         .set_txq_params = ieee80211_set_txq_params,
1515         .set_channel = ieee80211_set_channel,
1516         .suspend = ieee80211_suspend,
1517         .resume = ieee80211_resume,
1518         .scan = ieee80211_scan,
1519         .auth = ieee80211_auth,
1520         .assoc = ieee80211_assoc,
1521         .deauth = ieee80211_deauth,
1522         .disassoc = ieee80211_disassoc,
1523         .join_ibss = ieee80211_join_ibss,
1524         .leave_ibss = ieee80211_leave_ibss,
1525         .set_wiphy_params = ieee80211_set_wiphy_params,
1526         .set_tx_power = ieee80211_set_tx_power,
1527         .get_tx_power = ieee80211_get_tx_power,
1528         .set_wds_peer = ieee80211_set_wds_peer,
1529         .rfkill_poll = ieee80211_rfkill_poll,
1530         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1531         .set_power_mgmt = ieee80211_set_power_mgmt,
1532         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1533         .remain_on_channel = ieee80211_remain_on_channel,
1534         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1535         .action = ieee80211_action,
1536         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1537 };