mac80211: add driver ops wrappers
[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 int ieee80211_add_iface(struct wiphy *wiphy, char *name,
40                                enum nl80211_iftype type, u32 *flags,
41                                struct vif_params *params)
42 {
43         struct ieee80211_local *local = wiphy_priv(wiphy);
44         struct net_device *dev;
45         struct ieee80211_sub_if_data *sdata;
46         int err;
47
48         if (!nl80211_type_check(type))
49                 return -EINVAL;
50
51         err = ieee80211_if_add(local, name, &dev, type, params);
52         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
53                 return err;
54
55         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
56         sdata->u.mntr_flags = *flags;
57         return 0;
58 }
59
60 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
61 {
62         struct net_device *dev;
63         struct ieee80211_sub_if_data *sdata;
64
65         /* we're under RTNL */
66         dev = __dev_get_by_index(&init_net, ifindex);
67         if (!dev)
68                 return -ENODEV;
69
70         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
71
72         ieee80211_if_remove(sdata);
73
74         return 0;
75 }
76
77 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
78                                   enum nl80211_iftype type, u32 *flags,
79                                   struct vif_params *params)
80 {
81         struct net_device *dev;
82         struct ieee80211_sub_if_data *sdata;
83         int ret;
84
85         /* we're under RTNL */
86         dev = __dev_get_by_index(&init_net, ifindex);
87         if (!dev)
88                 return -ENODEV;
89
90         if (!nl80211_type_check(type))
91                 return -EINVAL;
92
93         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
94
95         ret = ieee80211_if_change_type(sdata, type);
96         if (ret)
97                 return ret;
98
99         if (netif_running(sdata->dev))
100                 return -EBUSY;
101
102         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
103                 ieee80211_sdata_set_mesh_id(sdata,
104                                             params->mesh_id_len,
105                                             params->mesh_id);
106
107         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
108                 return 0;
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, 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         if (!key)
146                 return -ENOMEM;
147
148         rcu_read_lock();
149
150         if (mac_addr) {
151                 sta = sta_info_get(sdata->local, mac_addr);
152                 if (!sta) {
153                         ieee80211_key_free(key);
154                         err = -ENOENT;
155                         goto out_unlock;
156                 }
157         }
158
159         ieee80211_key_link(key, sdata, sta);
160
161         err = 0;
162  out_unlock:
163         rcu_read_unlock();
164
165         return err;
166 }
167
168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
169                              u8 key_idx, u8 *mac_addr)
170 {
171         struct ieee80211_sub_if_data *sdata;
172         struct sta_info *sta;
173         int ret;
174
175         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
177         rcu_read_lock();
178
179         if (mac_addr) {
180                 ret = -ENOENT;
181
182                 sta = sta_info_get(sdata->local, mac_addr);
183                 if (!sta)
184                         goto out_unlock;
185
186                 if (sta->key) {
187                         ieee80211_key_free(sta->key);
188                         WARN_ON(sta->key);
189                         ret = 0;
190                 }
191
192                 goto out_unlock;
193         }
194
195         if (!sdata->keys[key_idx]) {
196                 ret = -ENOENT;
197                 goto out_unlock;
198         }
199
200         ieee80211_key_free(sdata->keys[key_idx]);
201         WARN_ON(sdata->keys[key_idx]);
202
203         ret = 0;
204  out_unlock:
205         rcu_read_unlock();
206
207         return ret;
208 }
209
210 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
211                              u8 key_idx, u8 *mac_addr, void *cookie,
212                              void (*callback)(void *cookie,
213                                               struct key_params *params))
214 {
215         struct ieee80211_sub_if_data *sdata;
216         struct sta_info *sta = NULL;
217         u8 seq[6] = {0};
218         struct key_params params;
219         struct ieee80211_key *key;
220         u32 iv32;
221         u16 iv16;
222         int err = -ENOENT;
223
224         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
226         rcu_read_lock();
227
228         if (mac_addr) {
229                 sta = sta_info_get(sdata->local, mac_addr);
230                 if (!sta)
231                         goto out;
232
233                 key = sta->key;
234         } else
235                 key = sdata->keys[key_idx];
236
237         if (!key)
238                 goto out;
239
240         memset(&params, 0, sizeof(params));
241
242         switch (key->conf.alg) {
243         case ALG_TKIP:
244                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
246                 iv32 = key->u.tkip.tx.iv32;
247                 iv16 = key->u.tkip.tx.iv16;
248
249                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250                         drv_get_tkip_seq(sdata->local,
251                                          key->conf.hw_key_idx,
252                                          &iv32, &iv16);
253
254                 seq[0] = iv16 & 0xff;
255                 seq[1] = (iv16 >> 8) & 0xff;
256                 seq[2] = iv32 & 0xff;
257                 seq[3] = (iv32 >> 8) & 0xff;
258                 seq[4] = (iv32 >> 16) & 0xff;
259                 seq[5] = (iv32 >> 24) & 0xff;
260                 params.seq = seq;
261                 params.seq_len = 6;
262                 break;
263         case ALG_CCMP:
264                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265                 seq[0] = key->u.ccmp.tx_pn[5];
266                 seq[1] = key->u.ccmp.tx_pn[4];
267                 seq[2] = key->u.ccmp.tx_pn[3];
268                 seq[3] = key->u.ccmp.tx_pn[2];
269                 seq[4] = key->u.ccmp.tx_pn[1];
270                 seq[5] = key->u.ccmp.tx_pn[0];
271                 params.seq = seq;
272                 params.seq_len = 6;
273                 break;
274         case ALG_WEP:
275                 if (key->conf.keylen == 5)
276                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
277                 else
278                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
279                 break;
280         case ALG_AES_CMAC:
281                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282                 seq[0] = key->u.aes_cmac.tx_pn[5];
283                 seq[1] = key->u.aes_cmac.tx_pn[4];
284                 seq[2] = key->u.aes_cmac.tx_pn[3];
285                 seq[3] = key->u.aes_cmac.tx_pn[2];
286                 seq[4] = key->u.aes_cmac.tx_pn[1];
287                 seq[5] = key->u.aes_cmac.tx_pn[0];
288                 params.seq = seq;
289                 params.seq_len = 6;
290                 break;
291         }
292
293         params.key = key->conf.key;
294         params.key_len = key->conf.keylen;
295
296         callback(cookie, &params);
297         err = 0;
298
299  out:
300         rcu_read_unlock();
301         return err;
302 }
303
304 static int ieee80211_config_default_key(struct wiphy *wiphy,
305                                         struct net_device *dev,
306                                         u8 key_idx)
307 {
308         struct ieee80211_sub_if_data *sdata;
309
310         rcu_read_lock();
311
312         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313         ieee80211_set_default_key(sdata, key_idx);
314
315         rcu_read_unlock();
316
317         return 0;
318 }
319
320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321                                              struct net_device *dev,
322                                              u8 key_idx)
323 {
324         struct ieee80211_sub_if_data *sdata;
325
326         rcu_read_lock();
327
328         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329         ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331         rcu_read_unlock();
332
333         return 0;
334 }
335
336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337 {
338         struct ieee80211_sub_if_data *sdata = sta->sdata;
339
340         sinfo->filled = STATION_INFO_INACTIVE_TIME |
341                         STATION_INFO_RX_BYTES |
342                         STATION_INFO_TX_BYTES |
343                         STATION_INFO_RX_PACKETS |
344                         STATION_INFO_TX_PACKETS |
345                         STATION_INFO_TX_BITRATE;
346
347         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
348         sinfo->rx_bytes = sta->rx_bytes;
349         sinfo->tx_bytes = sta->tx_bytes;
350         sinfo->rx_packets = sta->rx_packets;
351         sinfo->tx_packets = sta->tx_packets;
352
353         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
354                 sinfo->filled |= STATION_INFO_SIGNAL;
355                 sinfo->signal = (s8)sta->last_signal;
356         }
357
358         sinfo->txrate.flags = 0;
359         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
360                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
361         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
362                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
363         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
364                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
365
366         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
367                 struct ieee80211_supported_band *sband;
368                 sband = sta->local->hw.wiphy->bands[
369                                 sta->local->hw.conf.channel->band];
370                 sinfo->txrate.legacy =
371                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
372         } else
373                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
374
375         if (ieee80211_vif_is_mesh(&sdata->vif)) {
376 #ifdef CONFIG_MAC80211_MESH
377                 sinfo->filled |= STATION_INFO_LLID |
378                                  STATION_INFO_PLID |
379                                  STATION_INFO_PLINK_STATE;
380
381                 sinfo->llid = le16_to_cpu(sta->llid);
382                 sinfo->plid = le16_to_cpu(sta->plid);
383                 sinfo->plink_state = sta->plink_state;
384 #endif
385         }
386 }
387
388
389 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
390                                  int idx, u8 *mac, struct station_info *sinfo)
391 {
392         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
393         struct sta_info *sta;
394         int ret = -ENOENT;
395
396         rcu_read_lock();
397
398         sta = sta_info_get_by_idx(local, idx, dev);
399         if (sta) {
400                 ret = 0;
401                 memcpy(mac, sta->sta.addr, ETH_ALEN);
402                 sta_set_sinfo(sta, sinfo);
403         }
404
405         rcu_read_unlock();
406
407         return ret;
408 }
409
410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
411                                  u8 *mac, struct station_info *sinfo)
412 {
413         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
414         struct sta_info *sta;
415         int ret = -ENOENT;
416
417         rcu_read_lock();
418
419         /* XXX: verify sta->dev == dev */
420
421         sta = sta_info_get(local, mac);
422         if (sta) {
423                 ret = 0;
424                 sta_set_sinfo(sta, sinfo);
425         }
426
427         rcu_read_unlock();
428
429         return ret;
430 }
431
432 /*
433  * This handles both adding a beacon and setting new beacon info
434  */
435 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
436                                    struct beacon_parameters *params)
437 {
438         struct beacon_data *new, *old;
439         int new_head_len, new_tail_len;
440         int size;
441         int err = -EINVAL;
442
443         old = sdata->u.ap.beacon;
444
445         /* head must not be zero-length */
446         if (params->head && !params->head_len)
447                 return -EINVAL;
448
449         /*
450          * This is a kludge. beacon interval should really be part
451          * of the beacon information.
452          */
453         if (params->interval &&
454             (sdata->vif.bss_conf.beacon_int != params->interval)) {
455                 sdata->vif.bss_conf.beacon_int = params->interval;
456                 ieee80211_bss_info_change_notify(sdata,
457                                                  BSS_CHANGED_BEACON_INT);
458         }
459
460         /* Need to have a beacon head if we don't have one yet */
461         if (!params->head && !old)
462                 return err;
463
464         /* sorry, no way to start beaconing without dtim period */
465         if (!params->dtim_period && !old)
466                 return err;
467
468         /* new or old head? */
469         if (params->head)
470                 new_head_len = params->head_len;
471         else
472                 new_head_len = old->head_len;
473
474         /* new or old tail? */
475         if (params->tail || !old)
476                 /* params->tail_len will be zero for !params->tail */
477                 new_tail_len = params->tail_len;
478         else
479                 new_tail_len = old->tail_len;
480
481         size = sizeof(*new) + new_head_len + new_tail_len;
482
483         new = kzalloc(size, GFP_KERNEL);
484         if (!new)
485                 return -ENOMEM;
486
487         /* start filling the new info now */
488
489         /* new or old dtim period? */
490         if (params->dtim_period)
491                 new->dtim_period = params->dtim_period;
492         else
493                 new->dtim_period = old->dtim_period;
494
495         /*
496          * pointers go into the block we allocated,
497          * memory is | beacon_data | head | tail |
498          */
499         new->head = ((u8 *) new) + sizeof(*new);
500         new->tail = new->head + new_head_len;
501         new->head_len = new_head_len;
502         new->tail_len = new_tail_len;
503
504         /* copy in head */
505         if (params->head)
506                 memcpy(new->head, params->head, new_head_len);
507         else
508                 memcpy(new->head, old->head, new_head_len);
509
510         /* copy in optional tail */
511         if (params->tail)
512                 memcpy(new->tail, params->tail, new_tail_len);
513         else
514                 if (old)
515                         memcpy(new->tail, old->tail, new_tail_len);
516
517         rcu_assign_pointer(sdata->u.ap.beacon, new);
518
519         synchronize_rcu();
520
521         kfree(old);
522
523         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
524                                                 BSS_CHANGED_BEACON);
525         return 0;
526 }
527
528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
529                                 struct beacon_parameters *params)
530 {
531         struct ieee80211_sub_if_data *sdata;
532         struct beacon_data *old;
533
534         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
535
536         old = sdata->u.ap.beacon;
537
538         if (old)
539                 return -EALREADY;
540
541         return ieee80211_config_beacon(sdata, params);
542 }
543
544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
545                                 struct beacon_parameters *params)
546 {
547         struct ieee80211_sub_if_data *sdata;
548         struct beacon_data *old;
549
550         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
551
552         old = sdata->u.ap.beacon;
553
554         if (!old)
555                 return -ENOENT;
556
557         return ieee80211_config_beacon(sdata, params);
558 }
559
560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
561 {
562         struct ieee80211_sub_if_data *sdata;
563         struct beacon_data *old;
564
565         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
566
567         old = sdata->u.ap.beacon;
568
569         if (!old)
570                 return -ENOENT;
571
572         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
573         synchronize_rcu();
574         kfree(old);
575
576         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
577         return 0;
578 }
579
580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
581 struct iapp_layer2_update {
582         u8 da[ETH_ALEN];        /* broadcast */
583         u8 sa[ETH_ALEN];        /* STA addr */
584         __be16 len;             /* 6 */
585         u8 dsap;                /* 0 */
586         u8 ssap;                /* 0 */
587         u8 control;
588         u8 xid_info[3];
589 } __attribute__ ((packed));
590
591 static void ieee80211_send_layer2_update(struct sta_info *sta)
592 {
593         struct iapp_layer2_update *msg;
594         struct sk_buff *skb;
595
596         /* Send Level 2 Update Frame to update forwarding tables in layer 2
597          * bridge devices */
598
599         skb = dev_alloc_skb(sizeof(*msg));
600         if (!skb)
601                 return;
602         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
603
604         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
605          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
606
607         memset(msg->da, 0xff, ETH_ALEN);
608         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
609         msg->len = htons(6);
610         msg->dsap = 0;
611         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
612         msg->control = 0xaf;    /* XID response lsb.1111F101.
613                                  * F=0 (no poll command; unsolicited frame) */
614         msg->xid_info[0] = 0x81;        /* XID format identifier */
615         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
616         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
617
618         skb->dev = sta->sdata->dev;
619         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
620         memset(skb->cb, 0, sizeof(skb->cb));
621         netif_rx(skb);
622 }
623
624 static void sta_apply_parameters(struct ieee80211_local *local,
625                                  struct sta_info *sta,
626                                  struct station_parameters *params)
627 {
628         u32 rates;
629         int i, j;
630         struct ieee80211_supported_band *sband;
631         struct ieee80211_sub_if_data *sdata = sta->sdata;
632
633         sband = local->hw.wiphy->bands[local->oper_channel->band];
634
635         /*
636          * FIXME: updating the flags is racy when this function is
637          *        called from ieee80211_change_station(), this will
638          *        be resolved in a future patch.
639          */
640
641         if (params->station_flags & STATION_FLAG_CHANGED) {
642                 spin_lock_bh(&sta->lock);
643                 sta->flags &= ~WLAN_STA_AUTHORIZED;
644                 if (params->station_flags & STATION_FLAG_AUTHORIZED)
645                         sta->flags |= WLAN_STA_AUTHORIZED;
646
647                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
648                 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
649                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
650
651                 sta->flags &= ~WLAN_STA_WME;
652                 if (params->station_flags & STATION_FLAG_WME)
653                         sta->flags |= WLAN_STA_WME;
654
655                 sta->flags &= ~WLAN_STA_MFP;
656                 if (params->station_flags & STATION_FLAG_MFP)
657                         sta->flags |= WLAN_STA_MFP;
658                 spin_unlock_bh(&sta->lock);
659         }
660
661         /*
662          * FIXME: updating the following information is racy when this
663          *        function is called from ieee80211_change_station().
664          *        However, all this information should be static so
665          *        maybe we should just reject attemps to change it.
666          */
667
668         if (params->aid) {
669                 sta->sta.aid = params->aid;
670                 if (sta->sta.aid > IEEE80211_MAX_AID)
671                         sta->sta.aid = 0; /* XXX: should this be an error? */
672         }
673
674         if (params->listen_interval >= 0)
675                 sta->listen_interval = params->listen_interval;
676
677         if (params->supported_rates) {
678                 rates = 0;
679
680                 for (i = 0; i < params->supported_rates_len; i++) {
681                         int rate = (params->supported_rates[i] & 0x7f) * 5;
682                         for (j = 0; j < sband->n_bitrates; j++) {
683                                 if (sband->bitrates[j].bitrate == rate)
684                                         rates |= BIT(j);
685                         }
686                 }
687                 sta->sta.supp_rates[local->oper_channel->band] = rates;
688         }
689
690         if (params->ht_capa)
691                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
692                                                   params->ht_capa,
693                                                   &sta->sta.ht_cap);
694
695         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
696                 switch (params->plink_action) {
697                 case PLINK_ACTION_OPEN:
698                         mesh_plink_open(sta);
699                         break;
700                 case PLINK_ACTION_BLOCK:
701                         mesh_plink_block(sta);
702                         break;
703                 }
704         }
705 }
706
707 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
708                                  u8 *mac, struct station_parameters *params)
709 {
710         struct ieee80211_local *local = wiphy_priv(wiphy);
711         struct sta_info *sta;
712         struct ieee80211_sub_if_data *sdata;
713         int err;
714         int layer2_update;
715
716         if (params->vlan) {
717                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
718
719                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
720                     sdata->vif.type != NL80211_IFTYPE_AP)
721                         return -EINVAL;
722         } else
723                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
724
725         if (compare_ether_addr(mac, dev->dev_addr) == 0)
726                 return -EINVAL;
727
728         if (is_multicast_ether_addr(mac))
729                 return -EINVAL;
730
731         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
732         if (!sta)
733                 return -ENOMEM;
734
735         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
736
737         sta_apply_parameters(local, sta, params);
738
739         rate_control_rate_init(sta);
740
741         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
742                 sdata->vif.type == NL80211_IFTYPE_AP;
743
744         rcu_read_lock();
745
746         err = sta_info_insert(sta);
747         if (err) {
748                 /* STA has been freed */
749                 if (err == -EEXIST && layer2_update) {
750                         /* Need to update layer 2 devices on reassociation */
751                         sta = sta_info_get(local, mac);
752                         if (sta)
753                                 ieee80211_send_layer2_update(sta);
754                 }
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         struct sta_info *sta;
773
774         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
775
776         if (mac) {
777                 rcu_read_lock();
778
779                 /* XXX: get sta belonging to dev */
780                 sta = sta_info_get(local, mac);
781                 if (!sta) {
782                         rcu_read_unlock();
783                         return -ENOENT;
784                 }
785
786                 sta_info_unlink(&sta);
787                 rcu_read_unlock();
788
789                 sta_info_destroy(sta);
790         } else
791                 sta_info_flush(local, sdata);
792
793         return 0;
794 }
795
796 static int ieee80211_change_station(struct wiphy *wiphy,
797                                     struct net_device *dev,
798                                     u8 *mac,
799                                     struct station_parameters *params)
800 {
801         struct ieee80211_local *local = wiphy_priv(wiphy);
802         struct sta_info *sta;
803         struct ieee80211_sub_if_data *vlansdata;
804
805         rcu_read_lock();
806
807         /* XXX: get sta belonging to dev */
808         sta = sta_info_get(local, mac);
809         if (!sta) {
810                 rcu_read_unlock();
811                 return -ENOENT;
812         }
813
814         if (params->vlan && params->vlan != sta->sdata->dev) {
815                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
816
817                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
818                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
819                         rcu_read_unlock();
820                         return -EINVAL;
821                 }
822
823                 sta->sdata = vlansdata;
824                 ieee80211_send_layer2_update(sta);
825         }
826
827         sta_apply_parameters(local, sta, params);
828
829         rcu_read_unlock();
830
831         return 0;
832 }
833
834 #ifdef CONFIG_MAC80211_MESH
835 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
836                                  u8 *dst, u8 *next_hop)
837 {
838         struct ieee80211_local *local = wiphy_priv(wiphy);
839         struct ieee80211_sub_if_data *sdata;
840         struct mesh_path *mpath;
841         struct sta_info *sta;
842         int err;
843
844         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
845
846         rcu_read_lock();
847         sta = sta_info_get(local, next_hop);
848         if (!sta) {
849                 rcu_read_unlock();
850                 return -ENOENT;
851         }
852
853         err = mesh_path_add(dst, sdata);
854         if (err) {
855                 rcu_read_unlock();
856                 return err;
857         }
858
859         mpath = mesh_path_lookup(dst, sdata);
860         if (!mpath) {
861                 rcu_read_unlock();
862                 return -ENXIO;
863         }
864         mesh_path_fix_nexthop(mpath, sta);
865
866         rcu_read_unlock();
867         return 0;
868 }
869
870 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
871                                  u8 *dst)
872 {
873         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
874
875         if (dst)
876                 return mesh_path_del(dst, sdata);
877
878         mesh_path_flush(sdata);
879         return 0;
880 }
881
882 static int ieee80211_change_mpath(struct wiphy *wiphy,
883                                     struct net_device *dev,
884                                     u8 *dst, u8 *next_hop)
885 {
886         struct ieee80211_local *local = wiphy_priv(wiphy);
887         struct ieee80211_sub_if_data *sdata;
888         struct mesh_path *mpath;
889         struct sta_info *sta;
890
891         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
892
893         rcu_read_lock();
894
895         sta = sta_info_get(local, next_hop);
896         if (!sta) {
897                 rcu_read_unlock();
898                 return -ENOENT;
899         }
900
901         mpath = mesh_path_lookup(dst, sdata);
902         if (!mpath) {
903                 rcu_read_unlock();
904                 return -ENOENT;
905         }
906
907         mesh_path_fix_nexthop(mpath, sta);
908
909         rcu_read_unlock();
910         return 0;
911 }
912
913 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
914                             struct mpath_info *pinfo)
915 {
916         if (mpath->next_hop)
917                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
918         else
919                 memset(next_hop, 0, ETH_ALEN);
920
921         pinfo->filled = MPATH_INFO_FRAME_QLEN |
922                         MPATH_INFO_DSN |
923                         MPATH_INFO_METRIC |
924                         MPATH_INFO_EXPTIME |
925                         MPATH_INFO_DISCOVERY_TIMEOUT |
926                         MPATH_INFO_DISCOVERY_RETRIES |
927                         MPATH_INFO_FLAGS;
928
929         pinfo->frame_qlen = mpath->frame_queue.qlen;
930         pinfo->dsn = mpath->dsn;
931         pinfo->metric = mpath->metric;
932         if (time_before(jiffies, mpath->exp_time))
933                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
934         pinfo->discovery_timeout =
935                         jiffies_to_msecs(mpath->discovery_timeout);
936         pinfo->discovery_retries = mpath->discovery_retries;
937         pinfo->flags = 0;
938         if (mpath->flags & MESH_PATH_ACTIVE)
939                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
940         if (mpath->flags & MESH_PATH_RESOLVING)
941                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
942         if (mpath->flags & MESH_PATH_DSN_VALID)
943                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
944         if (mpath->flags & MESH_PATH_FIXED)
945                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
946         if (mpath->flags & MESH_PATH_RESOLVING)
947                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
948
949         pinfo->flags = mpath->flags;
950 }
951
952 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
953                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
954
955 {
956         struct ieee80211_sub_if_data *sdata;
957         struct mesh_path *mpath;
958
959         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
960
961         rcu_read_lock();
962         mpath = mesh_path_lookup(dst, sdata);
963         if (!mpath) {
964                 rcu_read_unlock();
965                 return -ENOENT;
966         }
967         memcpy(dst, mpath->dst, ETH_ALEN);
968         mpath_set_pinfo(mpath, next_hop, pinfo);
969         rcu_read_unlock();
970         return 0;
971 }
972
973 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
974                                  int idx, u8 *dst, u8 *next_hop,
975                                  struct mpath_info *pinfo)
976 {
977         struct ieee80211_sub_if_data *sdata;
978         struct mesh_path *mpath;
979
980         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
981
982         rcu_read_lock();
983         mpath = mesh_path_lookup_by_idx(idx, sdata);
984         if (!mpath) {
985                 rcu_read_unlock();
986                 return -ENOENT;
987         }
988         memcpy(dst, mpath->dst, ETH_ALEN);
989         mpath_set_pinfo(mpath, next_hop, pinfo);
990         rcu_read_unlock();
991         return 0;
992 }
993
994 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
995                                 struct net_device *dev,
996                                 struct mesh_config *conf)
997 {
998         struct ieee80211_sub_if_data *sdata;
999         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1000
1001         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1002         return 0;
1003 }
1004
1005 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1006 {
1007         return (mask >> (parm-1)) & 0x1;
1008 }
1009
1010 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1011                                 struct net_device *dev,
1012                                 const struct mesh_config *nconf, u32 mask)
1013 {
1014         struct mesh_config *conf;
1015         struct ieee80211_sub_if_data *sdata;
1016         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017
1018         /* Set the config options which we are interested in setting */
1019         conf = &(sdata->u.mesh.mshcfg);
1020         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1021                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1022         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1023                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1024         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1025                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1026         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1027                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1028         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1029                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1030         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1031                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1032         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1033                 conf->auto_open_plinks = nconf->auto_open_plinks;
1034         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1035                 conf->dot11MeshHWMPmaxPREQretries =
1036                         nconf->dot11MeshHWMPmaxPREQretries;
1037         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1038                 conf->path_refresh_time = nconf->path_refresh_time;
1039         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1040                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1042                 conf->dot11MeshHWMPactivePathTimeout =
1043                         nconf->dot11MeshHWMPactivePathTimeout;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1045                 conf->dot11MeshHWMPpreqMinInterval =
1046                         nconf->dot11MeshHWMPpreqMinInterval;
1047         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1048                            mask))
1049                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1050                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1051         return 0;
1052 }
1053
1054 #endif
1055
1056 static int ieee80211_change_bss(struct wiphy *wiphy,
1057                                 struct net_device *dev,
1058                                 struct bss_parameters *params)
1059 {
1060         struct ieee80211_sub_if_data *sdata;
1061         u32 changed = 0;
1062
1063         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1064
1065         if (params->use_cts_prot >= 0) {
1066                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1067                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1068         }
1069         if (params->use_short_preamble >= 0) {
1070                 sdata->vif.bss_conf.use_short_preamble =
1071                         params->use_short_preamble;
1072                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1073         }
1074         if (params->use_short_slot_time >= 0) {
1075                 sdata->vif.bss_conf.use_short_slot =
1076                         params->use_short_slot_time;
1077                 changed |= BSS_CHANGED_ERP_SLOT;
1078         }
1079
1080         if (params->basic_rates) {
1081                 int i, j;
1082                 u32 rates = 0;
1083                 struct ieee80211_local *local = wiphy_priv(wiphy);
1084                 struct ieee80211_supported_band *sband =
1085                         wiphy->bands[local->oper_channel->band];
1086
1087                 for (i = 0; i < params->basic_rates_len; i++) {
1088                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1089                         for (j = 0; j < sband->n_bitrates; j++) {
1090                                 if (sband->bitrates[j].bitrate == rate)
1091                                         rates |= BIT(j);
1092                         }
1093                 }
1094                 sdata->vif.bss_conf.basic_rates = rates;
1095                 changed |= BSS_CHANGED_BASIC_RATES;
1096         }
1097
1098         ieee80211_bss_info_change_notify(sdata, changed);
1099
1100         return 0;
1101 }
1102
1103 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1104                                     struct ieee80211_txq_params *params)
1105 {
1106         struct ieee80211_local *local = wiphy_priv(wiphy);
1107         struct ieee80211_tx_queue_params p;
1108
1109         if (!local->ops->conf_tx)
1110                 return -EOPNOTSUPP;
1111
1112         memset(&p, 0, sizeof(p));
1113         p.aifs = params->aifs;
1114         p.cw_max = params->cwmax;
1115         p.cw_min = params->cwmin;
1116         p.txop = params->txop;
1117         if (drv_conf_tx(local, params->queue, &p)) {
1118                 printk(KERN_DEBUG "%s: failed to set TX queue "
1119                        "parameters for queue %d\n", local->mdev->name,
1120                        params->queue);
1121                 return -EINVAL;
1122         }
1123
1124         return 0;
1125 }
1126
1127 static int ieee80211_set_channel(struct wiphy *wiphy,
1128                                  struct ieee80211_channel *chan,
1129                                  enum nl80211_channel_type channel_type)
1130 {
1131         struct ieee80211_local *local = wiphy_priv(wiphy);
1132
1133         local->oper_channel = chan;
1134         local->oper_channel_type = channel_type;
1135
1136         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1137 }
1138
1139 #ifdef CONFIG_PM
1140 static int ieee80211_suspend(struct wiphy *wiphy)
1141 {
1142         return __ieee80211_suspend(wiphy_priv(wiphy));
1143 }
1144
1145 static int ieee80211_resume(struct wiphy *wiphy)
1146 {
1147         return __ieee80211_resume(wiphy_priv(wiphy));
1148 }
1149 #else
1150 #define ieee80211_suspend NULL
1151 #define ieee80211_resume NULL
1152 #endif
1153
1154 static int ieee80211_scan(struct wiphy *wiphy,
1155                           struct net_device *dev,
1156                           struct cfg80211_scan_request *req)
1157 {
1158         struct ieee80211_sub_if_data *sdata;
1159
1160         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1161
1162         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1163             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1164             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1165             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1166                 return -EOPNOTSUPP;
1167
1168         return ieee80211_request_scan(sdata, req);
1169 }
1170
1171 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1172                           struct cfg80211_auth_request *req)
1173 {
1174         struct ieee80211_sub_if_data *sdata;
1175
1176         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
1178         switch (req->auth_type) {
1179         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1180                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1181                 break;
1182         case NL80211_AUTHTYPE_SHARED_KEY:
1183                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1184                 break;
1185         case NL80211_AUTHTYPE_FT:
1186                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1187                 break;
1188         case NL80211_AUTHTYPE_NETWORK_EAP:
1189                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1190                 break;
1191         default:
1192                 return -EOPNOTSUPP;
1193         }
1194
1195         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1196         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1197         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1198
1199         /* TODO: req->chan */
1200         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1201
1202         if (req->ssid) {
1203                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1204                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1205                 sdata->u.mgd.ssid_len = req->ssid_len;
1206                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1207         }
1208
1209         kfree(sdata->u.mgd.sme_auth_ie);
1210         sdata->u.mgd.sme_auth_ie = NULL;
1211         sdata->u.mgd.sme_auth_ie_len = 0;
1212         if (req->ie) {
1213                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1214                 if (sdata->u.mgd.sme_auth_ie == NULL)
1215                         return -ENOMEM;
1216                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1217                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1218         }
1219
1220         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1221         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1222         ieee80211_sta_req_auth(sdata);
1223         return 0;
1224 }
1225
1226 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1227                            struct cfg80211_assoc_request *req)
1228 {
1229         struct ieee80211_sub_if_data *sdata;
1230         int ret;
1231
1232         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1233
1234         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1235             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1236                 return -ENOLINK; /* not authenticated */
1237
1238         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1239         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1240
1241         /* TODO: req->chan */
1242         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1243
1244         if (req->ssid) {
1245                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1246                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1247                 sdata->u.mgd.ssid_len = req->ssid_len;
1248                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1249         } else
1250                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1251
1252         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1253         if (ret)
1254                 return ret;
1255
1256         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1257         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1258         ieee80211_sta_req_auth(sdata);
1259         return 0;
1260 }
1261
1262 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1263                             struct cfg80211_deauth_request *req)
1264 {
1265         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1266
1267         /* TODO: req->ie, req->peer_addr */
1268         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1269 }
1270
1271 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1272                               struct cfg80211_disassoc_request *req)
1273 {
1274         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1275
1276         /* TODO: req->ie, req->peer_addr */
1277         return ieee80211_sta_disassociate(sdata, req->reason_code);
1278 }
1279
1280 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1281                                struct cfg80211_ibss_params *params)
1282 {
1283         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284
1285         return ieee80211_ibss_join(sdata, params);
1286 }
1287
1288 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1289 {
1290         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1291
1292         return ieee80211_ibss_leave(sdata);
1293 }
1294
1295 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1296 {
1297         struct ieee80211_local *local = wiphy_priv(wiphy);
1298         int err;
1299
1300         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1301                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1302
1303                 if (err)
1304                         return err;
1305         }
1306
1307         if (changed & WIPHY_PARAM_RETRY_SHORT)
1308                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1309         if (changed & WIPHY_PARAM_RETRY_LONG)
1310                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1311         if (changed &
1312             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1313                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1314
1315         return 0;
1316 }
1317
1318 struct cfg80211_ops mac80211_config_ops = {
1319         .add_virtual_intf = ieee80211_add_iface,
1320         .del_virtual_intf = ieee80211_del_iface,
1321         .change_virtual_intf = ieee80211_change_iface,
1322         .add_key = ieee80211_add_key,
1323         .del_key = ieee80211_del_key,
1324         .get_key = ieee80211_get_key,
1325         .set_default_key = ieee80211_config_default_key,
1326         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1327         .add_beacon = ieee80211_add_beacon,
1328         .set_beacon = ieee80211_set_beacon,
1329         .del_beacon = ieee80211_del_beacon,
1330         .add_station = ieee80211_add_station,
1331         .del_station = ieee80211_del_station,
1332         .change_station = ieee80211_change_station,
1333         .get_station = ieee80211_get_station,
1334         .dump_station = ieee80211_dump_station,
1335 #ifdef CONFIG_MAC80211_MESH
1336         .add_mpath = ieee80211_add_mpath,
1337         .del_mpath = ieee80211_del_mpath,
1338         .change_mpath = ieee80211_change_mpath,
1339         .get_mpath = ieee80211_get_mpath,
1340         .dump_mpath = ieee80211_dump_mpath,
1341         .set_mesh_params = ieee80211_set_mesh_params,
1342         .get_mesh_params = ieee80211_get_mesh_params,
1343 #endif
1344         .change_bss = ieee80211_change_bss,
1345         .set_txq_params = ieee80211_set_txq_params,
1346         .set_channel = ieee80211_set_channel,
1347         .suspend = ieee80211_suspend,
1348         .resume = ieee80211_resume,
1349         .scan = ieee80211_scan,
1350         .auth = ieee80211_auth,
1351         .assoc = ieee80211_assoc,
1352         .deauth = ieee80211_deauth,
1353         .disassoc = ieee80211_disassoc,
1354         .join_ibss = ieee80211_join_ibss,
1355         .leave_ibss = ieee80211_leave_ibss,
1356         .set_wiphy_params = ieee80211_set_wiphy_params,
1357 };