mac80211: fix rcu locking
[linux-2.6.git] / net / mac80211 / cfg.c
1 /*
2  * mac80211 configuration hooks for cfg80211
3  *
4  * Copyright 2006, 2007 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;
82         int ret;
83
84         if (netif_running(dev))
85                 return -EBUSY;
86
87         if (!nl80211_params_check(type, params))
88                 return -EINVAL;
89
90         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
91
92         ret = ieee80211_if_change_type(sdata, type);
93         if (ret)
94                 return ret;
95
96         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
97                 ieee80211_sdata_set_mesh_id(sdata,
98                                             params->mesh_id_len,
99                                             params->mesh_id);
100
101         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
102                 return 0;
103
104         if (type == NL80211_IFTYPE_AP_VLAN &&
105             params && params->use_4addr == 0)
106                 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
107         else if (type == NL80211_IFTYPE_STATION &&
108                  params && params->use_4addr >= 0)
109                 sdata->u.mgd.use_4addr = params->use_4addr;
110
111         sdata->u.mntr_flags = *flags;
112         return 0;
113 }
114
115 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
116                              u8 key_idx, const u8 *mac_addr,
117                              struct key_params *params)
118 {
119         struct ieee80211_sub_if_data *sdata;
120         struct sta_info *sta = NULL;
121         enum ieee80211_key_alg alg;
122         struct ieee80211_key *key;
123         int err;
124
125         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126
127         switch (params->cipher) {
128         case WLAN_CIPHER_SUITE_WEP40:
129         case WLAN_CIPHER_SUITE_WEP104:
130                 alg = ALG_WEP;
131                 break;
132         case WLAN_CIPHER_SUITE_TKIP:
133                 alg = ALG_TKIP;
134                 break;
135         case WLAN_CIPHER_SUITE_CCMP:
136                 alg = ALG_CCMP;
137                 break;
138         case WLAN_CIPHER_SUITE_AES_CMAC:
139                 alg = ALG_AES_CMAC;
140                 break;
141         default:
142                 return -EINVAL;
143         }
144
145         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
146                                   params->seq_len, params->seq);
147         if (!key)
148                 return -ENOMEM;
149
150         rcu_read_lock();
151
152         if (mac_addr) {
153                 sta = sta_info_get(sdata->local, mac_addr);
154                 if (!sta) {
155                         ieee80211_key_free(key);
156                         err = -ENOENT;
157                         goto out_unlock;
158                 }
159         }
160
161         ieee80211_key_link(key, sdata, sta);
162
163         err = 0;
164  out_unlock:
165         rcu_read_unlock();
166
167         return err;
168 }
169
170 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
171                              u8 key_idx, const u8 *mac_addr)
172 {
173         struct ieee80211_sub_if_data *sdata;
174         struct sta_info *sta;
175         int ret;
176
177         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
178
179         rcu_read_lock();
180
181         if (mac_addr) {
182                 ret = -ENOENT;
183
184                 sta = sta_info_get(sdata->local, mac_addr);
185                 if (!sta)
186                         goto out_unlock;
187
188                 if (sta->key) {
189                         ieee80211_key_free(sta->key);
190                         WARN_ON(sta->key);
191                         ret = 0;
192                 }
193
194                 goto out_unlock;
195         }
196
197         if (!sdata->keys[key_idx]) {
198                 ret = -ENOENT;
199                 goto out_unlock;
200         }
201
202         ieee80211_key_free(sdata->keys[key_idx]);
203         WARN_ON(sdata->keys[key_idx]);
204
205         ret = 0;
206  out_unlock:
207         rcu_read_unlock();
208
209         return ret;
210 }
211
212 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
213                              u8 key_idx, const u8 *mac_addr, void *cookie,
214                              void (*callback)(void *cookie,
215                                               struct key_params *params))
216 {
217         struct ieee80211_sub_if_data *sdata;
218         struct sta_info *sta = NULL;
219         u8 seq[6] = {0};
220         struct key_params params;
221         struct ieee80211_key *key;
222         u32 iv32;
223         u16 iv16;
224         int err = -ENOENT;
225
226         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
227
228         rcu_read_lock();
229
230         if (mac_addr) {
231                 sta = sta_info_get(sdata->local, mac_addr);
232                 if (!sta)
233                         goto out;
234
235                 key = sta->key;
236         } else
237                 key = sdata->keys[key_idx];
238
239         if (!key)
240                 goto out;
241
242         memset(&params, 0, sizeof(params));
243
244         switch (key->conf.alg) {
245         case ALG_TKIP:
246                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
247
248                 iv32 = key->u.tkip.tx.iv32;
249                 iv16 = key->u.tkip.tx.iv16;
250
251                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
252                         drv_get_tkip_seq(sdata->local,
253                                          key->conf.hw_key_idx,
254                                          &iv32, &iv16);
255
256                 seq[0] = iv16 & 0xff;
257                 seq[1] = (iv16 >> 8) & 0xff;
258                 seq[2] = iv32 & 0xff;
259                 seq[3] = (iv32 >> 8) & 0xff;
260                 seq[4] = (iv32 >> 16) & 0xff;
261                 seq[5] = (iv32 >> 24) & 0xff;
262                 params.seq = seq;
263                 params.seq_len = 6;
264                 break;
265         case ALG_CCMP:
266                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
267                 seq[0] = key->u.ccmp.tx_pn[5];
268                 seq[1] = key->u.ccmp.tx_pn[4];
269                 seq[2] = key->u.ccmp.tx_pn[3];
270                 seq[3] = key->u.ccmp.tx_pn[2];
271                 seq[4] = key->u.ccmp.tx_pn[1];
272                 seq[5] = key->u.ccmp.tx_pn[0];
273                 params.seq = seq;
274                 params.seq_len = 6;
275                 break;
276         case ALG_WEP:
277                 if (key->conf.keylen == 5)
278                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
279                 else
280                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
281                 break;
282         case ALG_AES_CMAC:
283                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
284                 seq[0] = key->u.aes_cmac.tx_pn[5];
285                 seq[1] = key->u.aes_cmac.tx_pn[4];
286                 seq[2] = key->u.aes_cmac.tx_pn[3];
287                 seq[3] = key->u.aes_cmac.tx_pn[2];
288                 seq[4] = key->u.aes_cmac.tx_pn[1];
289                 seq[5] = key->u.aes_cmac.tx_pn[0];
290                 params.seq = seq;
291                 params.seq_len = 6;
292                 break;
293         }
294
295         params.key = key->conf.key;
296         params.key_len = key->conf.keylen;
297
298         callback(cookie, &params);
299         err = 0;
300
301  out:
302         rcu_read_unlock();
303         return err;
304 }
305
306 static int ieee80211_config_default_key(struct wiphy *wiphy,
307                                         struct net_device *dev,
308                                         u8 key_idx)
309 {
310         struct ieee80211_sub_if_data *sdata;
311
312         rcu_read_lock();
313
314         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315         ieee80211_set_default_key(sdata, key_idx);
316
317         rcu_read_unlock();
318
319         return 0;
320 }
321
322 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
323                                              struct net_device *dev,
324                                              u8 key_idx)
325 {
326         struct ieee80211_sub_if_data *sdata;
327
328         rcu_read_lock();
329
330         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
331         ieee80211_set_default_mgmt_key(sdata, key_idx);
332
333         rcu_read_unlock();
334
335         return 0;
336 }
337
338 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
339 {
340         struct ieee80211_sub_if_data *sdata = sta->sdata;
341
342         sinfo->generation = sdata->local->sta_generation;
343
344         sinfo->filled = STATION_INFO_INACTIVE_TIME |
345                         STATION_INFO_RX_BYTES |
346                         STATION_INFO_TX_BYTES |
347                         STATION_INFO_RX_PACKETS |
348                         STATION_INFO_TX_PACKETS |
349                         STATION_INFO_TX_BITRATE;
350
351         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
352         sinfo->rx_bytes = sta->rx_bytes;
353         sinfo->tx_bytes = sta->tx_bytes;
354         sinfo->rx_packets = sta->rx_packets;
355         sinfo->tx_packets = sta->tx_packets;
356
357         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
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_local *local = wdev_priv(dev->ieee80211_ptr);
418         struct sta_info *sta;
419         int ret = -ENOENT;
420
421         rcu_read_lock();
422
423         /* XXX: verify sta->dev == dev */
424
425         sta = sta_info_get(local, mac);
426         if (sta) {
427                 ret = 0;
428                 sta_set_sinfo(sta, sinfo);
429         }
430
431         rcu_read_unlock();
432
433         return ret;
434 }
435
436 /*
437  * This handles both adding a beacon and setting new beacon info
438  */
439 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
440                                    struct beacon_parameters *params)
441 {
442         struct beacon_data *new, *old;
443         int new_head_len, new_tail_len;
444         int size;
445         int err = -EINVAL;
446
447         old = sdata->u.ap.beacon;
448
449         /* head must not be zero-length */
450         if (params->head && !params->head_len)
451                 return -EINVAL;
452
453         /*
454          * This is a kludge. beacon interval should really be part
455          * of the beacon information.
456          */
457         if (params->interval &&
458             (sdata->vif.bss_conf.beacon_int != params->interval)) {
459                 sdata->vif.bss_conf.beacon_int = params->interval;
460                 ieee80211_bss_info_change_notify(sdata,
461                                                  BSS_CHANGED_BEACON_INT);
462         }
463
464         /* Need to have a beacon head if we don't have one yet */
465         if (!params->head && !old)
466                 return err;
467
468         /* sorry, no way to start beaconing without dtim period */
469         if (!params->dtim_period && !old)
470                 return err;
471
472         /* new or old head? */
473         if (params->head)
474                 new_head_len = params->head_len;
475         else
476                 new_head_len = old->head_len;
477
478         /* new or old tail? */
479         if (params->tail || !old)
480                 /* params->tail_len will be zero for !params->tail */
481                 new_tail_len = params->tail_len;
482         else
483                 new_tail_len = old->tail_len;
484
485         size = sizeof(*new) + new_head_len + new_tail_len;
486
487         new = kzalloc(size, GFP_KERNEL);
488         if (!new)
489                 return -ENOMEM;
490
491         /* start filling the new info now */
492
493         /* new or old dtim period? */
494         if (params->dtim_period)
495                 new->dtim_period = params->dtim_period;
496         else
497                 new->dtim_period = old->dtim_period;
498
499         /*
500          * pointers go into the block we allocated,
501          * memory is | beacon_data | head | tail |
502          */
503         new->head = ((u8 *) new) + sizeof(*new);
504         new->tail = new->head + new_head_len;
505         new->head_len = new_head_len;
506         new->tail_len = new_tail_len;
507
508         /* copy in head */
509         if (params->head)
510                 memcpy(new->head, params->head, new_head_len);
511         else
512                 memcpy(new->head, old->head, new_head_len);
513
514         /* copy in optional tail */
515         if (params->tail)
516                 memcpy(new->tail, params->tail, new_tail_len);
517         else
518                 if (old)
519                         memcpy(new->tail, old->tail, new_tail_len);
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, dev->dev_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         rcu_read_lock();
754
755         err = sta_info_insert(sta);
756         if (err) {
757                 rcu_read_unlock();
758                 return err;
759         }
760
761         if (layer2_update)
762                 ieee80211_send_layer2_update(sta);
763
764         rcu_read_unlock();
765
766         return 0;
767 }
768
769 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
770                                  u8 *mac)
771 {
772         struct ieee80211_local *local = wiphy_priv(wiphy);
773         struct ieee80211_sub_if_data *sdata;
774         struct sta_info *sta;
775
776         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
777
778         if (mac) {
779                 rcu_read_lock();
780
781                 /* XXX: get sta belonging to dev */
782                 sta = sta_info_get(local, mac);
783                 if (!sta) {
784                         rcu_read_unlock();
785                         return -ENOENT;
786                 }
787
788                 sta_info_unlink(&sta);
789                 rcu_read_unlock();
790
791                 sta_info_destroy(sta);
792         } else
793                 sta_info_flush(local, sdata);
794
795         return 0;
796 }
797
798 static int ieee80211_change_station(struct wiphy *wiphy,
799                                     struct net_device *dev,
800                                     u8 *mac,
801                                     struct station_parameters *params)
802 {
803         struct ieee80211_local *local = wiphy_priv(wiphy);
804         struct sta_info *sta;
805         struct ieee80211_sub_if_data *vlansdata;
806
807         rcu_read_lock();
808
809         /* XXX: get sta belonging to dev */
810         sta = sta_info_get(local, mac);
811         if (!sta) {
812                 rcu_read_unlock();
813                 return -ENOENT;
814         }
815
816         if (params->vlan && params->vlan != sta->sdata->dev) {
817                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
818
819                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
820                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
821                         rcu_read_unlock();
822                         return -EINVAL;
823                 }
824
825                 if (params->vlan->ieee80211_ptr->use_4addr) {
826                         if (vlansdata->u.vlan.sta) {
827                                 rcu_read_unlock();
828                                 return -EBUSY;
829                         }
830
831                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
832                 }
833
834                 sta->sdata = vlansdata;
835                 ieee80211_send_layer2_update(sta);
836         }
837
838         sta_apply_parameters(local, sta, params);
839
840         rcu_read_unlock();
841
842         return 0;
843 }
844
845 #ifdef CONFIG_MAC80211_MESH
846 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
847                                  u8 *dst, u8 *next_hop)
848 {
849         struct ieee80211_local *local = wiphy_priv(wiphy);
850         struct ieee80211_sub_if_data *sdata;
851         struct mesh_path *mpath;
852         struct sta_info *sta;
853         int err;
854
855         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
856
857         rcu_read_lock();
858         sta = sta_info_get(local, next_hop);
859         if (!sta) {
860                 rcu_read_unlock();
861                 return -ENOENT;
862         }
863
864         err = mesh_path_add(dst, sdata);
865         if (err) {
866                 rcu_read_unlock();
867                 return err;
868         }
869
870         mpath = mesh_path_lookup(dst, sdata);
871         if (!mpath) {
872                 rcu_read_unlock();
873                 return -ENXIO;
874         }
875         mesh_path_fix_nexthop(mpath, sta);
876
877         rcu_read_unlock();
878         return 0;
879 }
880
881 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
882                                  u8 *dst)
883 {
884         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885
886         if (dst)
887                 return mesh_path_del(dst, sdata);
888
889         mesh_path_flush(sdata);
890         return 0;
891 }
892
893 static int ieee80211_change_mpath(struct wiphy *wiphy,
894                                     struct net_device *dev,
895                                     u8 *dst, u8 *next_hop)
896 {
897         struct ieee80211_local *local = wiphy_priv(wiphy);
898         struct ieee80211_sub_if_data *sdata;
899         struct mesh_path *mpath;
900         struct sta_info *sta;
901
902         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
903
904         rcu_read_lock();
905
906         sta = sta_info_get(local, next_hop);
907         if (!sta) {
908                 rcu_read_unlock();
909                 return -ENOENT;
910         }
911
912         mpath = mesh_path_lookup(dst, sdata);
913         if (!mpath) {
914                 rcu_read_unlock();
915                 return -ENOENT;
916         }
917
918         mesh_path_fix_nexthop(mpath, sta);
919
920         rcu_read_unlock();
921         return 0;
922 }
923
924 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
925                             struct mpath_info *pinfo)
926 {
927         if (mpath->next_hop)
928                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
929         else
930                 memset(next_hop, 0, ETH_ALEN);
931
932         pinfo->generation = mesh_paths_generation;
933
934         pinfo->filled = MPATH_INFO_FRAME_QLEN |
935                         MPATH_INFO_SN |
936                         MPATH_INFO_METRIC |
937                         MPATH_INFO_EXPTIME |
938                         MPATH_INFO_DISCOVERY_TIMEOUT |
939                         MPATH_INFO_DISCOVERY_RETRIES |
940                         MPATH_INFO_FLAGS;
941
942         pinfo->frame_qlen = mpath->frame_queue.qlen;
943         pinfo->sn = mpath->sn;
944         pinfo->metric = mpath->metric;
945         if (time_before(jiffies, mpath->exp_time))
946                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
947         pinfo->discovery_timeout =
948                         jiffies_to_msecs(mpath->discovery_timeout);
949         pinfo->discovery_retries = mpath->discovery_retries;
950         pinfo->flags = 0;
951         if (mpath->flags & MESH_PATH_ACTIVE)
952                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
953         if (mpath->flags & MESH_PATH_RESOLVING)
954                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
955         if (mpath->flags & MESH_PATH_SN_VALID)
956                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
957         if (mpath->flags & MESH_PATH_FIXED)
958                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
959         if (mpath->flags & MESH_PATH_RESOLVING)
960                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
961
962         pinfo->flags = mpath->flags;
963 }
964
965 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
966                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
967
968 {
969         struct ieee80211_sub_if_data *sdata;
970         struct mesh_path *mpath;
971
972         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
973
974         rcu_read_lock();
975         mpath = mesh_path_lookup(dst, sdata);
976         if (!mpath) {
977                 rcu_read_unlock();
978                 return -ENOENT;
979         }
980         memcpy(dst, mpath->dst, ETH_ALEN);
981         mpath_set_pinfo(mpath, next_hop, pinfo);
982         rcu_read_unlock();
983         return 0;
984 }
985
986 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
987                                  int idx, u8 *dst, u8 *next_hop,
988                                  struct mpath_info *pinfo)
989 {
990         struct ieee80211_sub_if_data *sdata;
991         struct mesh_path *mpath;
992
993         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
994
995         rcu_read_lock();
996         mpath = mesh_path_lookup_by_idx(idx, sdata);
997         if (!mpath) {
998                 rcu_read_unlock();
999                 return -ENOENT;
1000         }
1001         memcpy(dst, mpath->dst, ETH_ALEN);
1002         mpath_set_pinfo(mpath, next_hop, pinfo);
1003         rcu_read_unlock();
1004         return 0;
1005 }
1006
1007 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1008                                 struct net_device *dev,
1009                                 struct mesh_config *conf)
1010 {
1011         struct ieee80211_sub_if_data *sdata;
1012         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1013
1014         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1015         return 0;
1016 }
1017
1018 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1019 {
1020         return (mask >> (parm-1)) & 0x1;
1021 }
1022
1023 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1024                                 struct net_device *dev,
1025                                 const struct mesh_config *nconf, u32 mask)
1026 {
1027         struct mesh_config *conf;
1028         struct ieee80211_sub_if_data *sdata;
1029         struct ieee80211_if_mesh *ifmsh;
1030
1031         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1032         ifmsh = &sdata->u.mesh;
1033
1034         /* Set the config options which we are interested in setting */
1035         conf = &(sdata->u.mesh.mshcfg);
1036         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1037                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1039                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1040         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1041                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1042         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1043                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1045                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1046         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1047                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1048         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1049                 conf->auto_open_plinks = nconf->auto_open_plinks;
1050         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1051                 conf->dot11MeshHWMPmaxPREQretries =
1052                         nconf->dot11MeshHWMPmaxPREQretries;
1053         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1054                 conf->path_refresh_time = nconf->path_refresh_time;
1055         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1056                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1057         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1058                 conf->dot11MeshHWMPactivePathTimeout =
1059                         nconf->dot11MeshHWMPactivePathTimeout;
1060         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1061                 conf->dot11MeshHWMPpreqMinInterval =
1062                         nconf->dot11MeshHWMPpreqMinInterval;
1063         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1064                            mask))
1065                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1066                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1067         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1068                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1069                 ieee80211_mesh_root_setup(ifmsh);
1070         }
1071         return 0;
1072 }
1073
1074 #endif
1075
1076 static int ieee80211_change_bss(struct wiphy *wiphy,
1077                                 struct net_device *dev,
1078                                 struct bss_parameters *params)
1079 {
1080         struct ieee80211_sub_if_data *sdata;
1081         u32 changed = 0;
1082
1083         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1084
1085         if (params->use_cts_prot >= 0) {
1086                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1087                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1088         }
1089         if (params->use_short_preamble >= 0) {
1090                 sdata->vif.bss_conf.use_short_preamble =
1091                         params->use_short_preamble;
1092                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1093         }
1094         if (params->use_short_slot_time >= 0) {
1095                 sdata->vif.bss_conf.use_short_slot =
1096                         params->use_short_slot_time;
1097                 changed |= BSS_CHANGED_ERP_SLOT;
1098         }
1099
1100         if (params->basic_rates) {
1101                 int i, j;
1102                 u32 rates = 0;
1103                 struct ieee80211_local *local = wiphy_priv(wiphy);
1104                 struct ieee80211_supported_band *sband =
1105                         wiphy->bands[local->oper_channel->band];
1106
1107                 for (i = 0; i < params->basic_rates_len; i++) {
1108                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1109                         for (j = 0; j < sband->n_bitrates; j++) {
1110                                 if (sband->bitrates[j].bitrate == rate)
1111                                         rates |= BIT(j);
1112                         }
1113                 }
1114                 sdata->vif.bss_conf.basic_rates = rates;
1115                 changed |= BSS_CHANGED_BASIC_RATES;
1116         }
1117
1118         ieee80211_bss_info_change_notify(sdata, changed);
1119
1120         return 0;
1121 }
1122
1123 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1124                                     struct ieee80211_txq_params *params)
1125 {
1126         struct ieee80211_local *local = wiphy_priv(wiphy);
1127         struct ieee80211_tx_queue_params p;
1128
1129         if (!local->ops->conf_tx)
1130                 return -EOPNOTSUPP;
1131
1132         memset(&p, 0, sizeof(p));
1133         p.aifs = params->aifs;
1134         p.cw_max = params->cwmax;
1135         p.cw_min = params->cwmin;
1136         p.txop = params->txop;
1137         if (drv_conf_tx(local, params->queue, &p)) {
1138                 printk(KERN_DEBUG "%s: failed to set TX queue "
1139                        "parameters for queue %d\n",
1140                        wiphy_name(local->hw.wiphy), params->queue);
1141                 return -EINVAL;
1142         }
1143
1144         return 0;
1145 }
1146
1147 static int ieee80211_set_channel(struct wiphy *wiphy,
1148                                  struct ieee80211_channel *chan,
1149                                  enum nl80211_channel_type channel_type)
1150 {
1151         struct ieee80211_local *local = wiphy_priv(wiphy);
1152
1153         local->oper_channel = chan;
1154         local->oper_channel_type = channel_type;
1155
1156         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1157 }
1158
1159 #ifdef CONFIG_PM
1160 static int ieee80211_suspend(struct wiphy *wiphy)
1161 {
1162         return __ieee80211_suspend(wiphy_priv(wiphy));
1163 }
1164
1165 static int ieee80211_resume(struct wiphy *wiphy)
1166 {
1167         return __ieee80211_resume(wiphy_priv(wiphy));
1168 }
1169 #else
1170 #define ieee80211_suspend NULL
1171 #define ieee80211_resume NULL
1172 #endif
1173
1174 static int ieee80211_scan(struct wiphy *wiphy,
1175                           struct net_device *dev,
1176                           struct cfg80211_scan_request *req)
1177 {
1178         struct ieee80211_sub_if_data *sdata;
1179
1180         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1181
1182         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1183             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1184             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1185             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1186                 return -EOPNOTSUPP;
1187
1188         return ieee80211_request_scan(sdata, req);
1189 }
1190
1191 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1192                           struct cfg80211_auth_request *req)
1193 {
1194         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1195 }
1196
1197 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1198                            struct cfg80211_assoc_request *req)
1199 {
1200         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1201 }
1202
1203 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1204                             struct cfg80211_deauth_request *req,
1205                             void *cookie)
1206 {
1207         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1208                                     req, cookie);
1209 }
1210
1211 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1212                               struct cfg80211_disassoc_request *req,
1213                               void *cookie)
1214 {
1215         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1216                                       req, cookie);
1217 }
1218
1219 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1220                                struct cfg80211_ibss_params *params)
1221 {
1222         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1223
1224         return ieee80211_ibss_join(sdata, params);
1225 }
1226
1227 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1228 {
1229         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1230
1231         return ieee80211_ibss_leave(sdata);
1232 }
1233
1234 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1235 {
1236         struct ieee80211_local *local = wiphy_priv(wiphy);
1237         int err;
1238
1239         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1240                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1241
1242                 if (err)
1243                         return err;
1244         }
1245
1246         if (changed & WIPHY_PARAM_RETRY_SHORT)
1247                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1248         if (changed & WIPHY_PARAM_RETRY_LONG)
1249                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1250         if (changed &
1251             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1252                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1253
1254         return 0;
1255 }
1256
1257 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1258                                   enum tx_power_setting type, int dbm)
1259 {
1260         struct ieee80211_local *local = wiphy_priv(wiphy);
1261         struct ieee80211_channel *chan = local->hw.conf.channel;
1262         u32 changes = 0;
1263
1264         switch (type) {
1265         case TX_POWER_AUTOMATIC:
1266                 local->user_power_level = -1;
1267                 break;
1268         case TX_POWER_LIMITED:
1269                 if (dbm < 0)
1270                         return -EINVAL;
1271                 local->user_power_level = dbm;
1272                 break;
1273         case TX_POWER_FIXED:
1274                 if (dbm < 0)
1275                         return -EINVAL;
1276                 /* TODO: move to cfg80211 when it knows the channel */
1277                 if (dbm > chan->max_power)
1278                         return -EINVAL;
1279                 local->user_power_level = dbm;
1280                 break;
1281         }
1282
1283         ieee80211_hw_config(local, changes);
1284
1285         return 0;
1286 }
1287
1288 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1289 {
1290         struct ieee80211_local *local = wiphy_priv(wiphy);
1291
1292         *dbm = local->hw.conf.power_level;
1293
1294         return 0;
1295 }
1296
1297 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1298                                   u8 *addr)
1299 {
1300         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1301
1302         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1303
1304         return 0;
1305 }
1306
1307 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1308 {
1309         struct ieee80211_local *local = wiphy_priv(wiphy);
1310
1311         drv_rfkill_poll(local);
1312 }
1313
1314 #ifdef CONFIG_NL80211_TESTMODE
1315 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1316 {
1317         struct ieee80211_local *local = wiphy_priv(wiphy);
1318
1319         if (!local->ops->testmode_cmd)
1320                 return -EOPNOTSUPP;
1321
1322         return local->ops->testmode_cmd(&local->hw, data, len);
1323 }
1324 #endif
1325
1326 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1327                                     bool enabled, int timeout)
1328 {
1329         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1330         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1331         struct ieee80211_conf *conf = &local->hw.conf;
1332
1333         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1334                 return -EOPNOTSUPP;
1335
1336         if (enabled == sdata->u.mgd.powersave &&
1337             timeout == conf->dynamic_ps_timeout)
1338                 return 0;
1339
1340         sdata->u.mgd.powersave = enabled;
1341         conf->dynamic_ps_timeout = timeout;
1342
1343         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1344                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1345
1346         ieee80211_recalc_ps(local, -1);
1347
1348         return 0;
1349 }
1350
1351 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1352                                       struct net_device *dev,
1353                                       const u8 *addr,
1354                                       const struct cfg80211_bitrate_mask *mask)
1355 {
1356         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1357         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1358         int i, err = -EINVAL;
1359         u32 target_rate;
1360         struct ieee80211_supported_band *sband;
1361
1362         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1363
1364         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1365          * target_rate = X, rate->fixed = 1 means only rate X
1366          * target_rate = X, rate->fixed = 0 means all rates <= X */
1367         sdata->max_ratectrl_rateidx = -1;
1368         sdata->force_unicast_rateidx = -1;
1369
1370         if (mask->fixed)
1371                 target_rate = mask->fixed / 100;
1372         else if (mask->maxrate)
1373                 target_rate = mask->maxrate / 100;
1374         else
1375                 return 0;
1376
1377         for (i=0; i< sband->n_bitrates; i++) {
1378                 struct ieee80211_rate *brate = &sband->bitrates[i];
1379                 int this_rate = brate->bitrate;
1380
1381                 if (target_rate == this_rate) {
1382                         sdata->max_ratectrl_rateidx = i;
1383                         if (mask->fixed)
1384                                 sdata->force_unicast_rateidx = i;
1385                         err = 0;
1386                         break;
1387                 }
1388         }
1389
1390         return err;
1391 }
1392
1393 struct cfg80211_ops mac80211_config_ops = {
1394         .add_virtual_intf = ieee80211_add_iface,
1395         .del_virtual_intf = ieee80211_del_iface,
1396         .change_virtual_intf = ieee80211_change_iface,
1397         .add_key = ieee80211_add_key,
1398         .del_key = ieee80211_del_key,
1399         .get_key = ieee80211_get_key,
1400         .set_default_key = ieee80211_config_default_key,
1401         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1402         .add_beacon = ieee80211_add_beacon,
1403         .set_beacon = ieee80211_set_beacon,
1404         .del_beacon = ieee80211_del_beacon,
1405         .add_station = ieee80211_add_station,
1406         .del_station = ieee80211_del_station,
1407         .change_station = ieee80211_change_station,
1408         .get_station = ieee80211_get_station,
1409         .dump_station = ieee80211_dump_station,
1410 #ifdef CONFIG_MAC80211_MESH
1411         .add_mpath = ieee80211_add_mpath,
1412         .del_mpath = ieee80211_del_mpath,
1413         .change_mpath = ieee80211_change_mpath,
1414         .get_mpath = ieee80211_get_mpath,
1415         .dump_mpath = ieee80211_dump_mpath,
1416         .set_mesh_params = ieee80211_set_mesh_params,
1417         .get_mesh_params = ieee80211_get_mesh_params,
1418 #endif
1419         .change_bss = ieee80211_change_bss,
1420         .set_txq_params = ieee80211_set_txq_params,
1421         .set_channel = ieee80211_set_channel,
1422         .suspend = ieee80211_suspend,
1423         .resume = ieee80211_resume,
1424         .scan = ieee80211_scan,
1425         .auth = ieee80211_auth,
1426         .assoc = ieee80211_assoc,
1427         .deauth = ieee80211_deauth,
1428         .disassoc = ieee80211_disassoc,
1429         .join_ibss = ieee80211_join_ibss,
1430         .leave_ibss = ieee80211_leave_ibss,
1431         .set_wiphy_params = ieee80211_set_wiphy_params,
1432         .set_tx_power = ieee80211_set_tx_power,
1433         .get_tx_power = ieee80211_get_tx_power,
1434         .set_wds_peer = ieee80211_set_wds_peer,
1435         .rfkill_poll = ieee80211_rfkill_poll,
1436         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1437         .set_power_mgmt = ieee80211_set_power_mgmt,
1438         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1439 };