cfg80211: connect/disconnect API
[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,
78                                   struct net_device *dev,
79                                   enum nl80211_iftype type, u32 *flags,
80                                   struct vif_params *params)
81 {
82         struct ieee80211_sub_if_data *sdata;
83         int ret;
84
85         if (!nl80211_type_check(type))
86                 return -EINVAL;
87
88         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
89
90         ret = ieee80211_if_change_type(sdata, type);
91         if (ret)
92                 return ret;
93
94         if (netif_running(sdata->dev))
95                 return -EBUSY;
96
97         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
98                 ieee80211_sdata_set_mesh_id(sdata,
99                                             params->mesh_id_len,
100                                             params->mesh_id);
101
102         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
103                 return 0;
104
105         sdata->u.mntr_flags = *flags;
106         return 0;
107 }
108
109 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
110                              u8 key_idx, const u8 *mac_addr,
111                              struct key_params *params)
112 {
113         struct ieee80211_sub_if_data *sdata;
114         struct sta_info *sta = NULL;
115         enum ieee80211_key_alg alg;
116         struct ieee80211_key *key;
117         int err;
118
119         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
120
121         switch (params->cipher) {
122         case WLAN_CIPHER_SUITE_WEP40:
123         case WLAN_CIPHER_SUITE_WEP104:
124                 alg = ALG_WEP;
125                 break;
126         case WLAN_CIPHER_SUITE_TKIP:
127                 alg = ALG_TKIP;
128                 break;
129         case WLAN_CIPHER_SUITE_CCMP:
130                 alg = ALG_CCMP;
131                 break;
132         case WLAN_CIPHER_SUITE_AES_CMAC:
133                 alg = ALG_AES_CMAC;
134                 break;
135         default:
136                 return -EINVAL;
137         }
138
139         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
140                                   params->seq_len, params->seq);
141         if (!key)
142                 return -ENOMEM;
143
144         rcu_read_lock();
145
146         if (mac_addr) {
147                 sta = sta_info_get(sdata->local, mac_addr);
148                 if (!sta) {
149                         ieee80211_key_free(key);
150                         err = -ENOENT;
151                         goto out_unlock;
152                 }
153         }
154
155         ieee80211_key_link(key, sdata, sta);
156
157         err = 0;
158  out_unlock:
159         rcu_read_unlock();
160
161         return err;
162 }
163
164 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
165                              u8 key_idx, const u8 *mac_addr)
166 {
167         struct ieee80211_sub_if_data *sdata;
168         struct sta_info *sta;
169         int ret;
170
171         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
172
173         rcu_read_lock();
174
175         if (mac_addr) {
176                 ret = -ENOENT;
177
178                 sta = sta_info_get(sdata->local, mac_addr);
179                 if (!sta)
180                         goto out_unlock;
181
182                 if (sta->key) {
183                         ieee80211_key_free(sta->key);
184                         WARN_ON(sta->key);
185                         ret = 0;
186                 }
187
188                 goto out_unlock;
189         }
190
191         if (!sdata->keys[key_idx]) {
192                 ret = -ENOENT;
193                 goto out_unlock;
194         }
195
196         ieee80211_key_free(sdata->keys[key_idx]);
197         WARN_ON(sdata->keys[key_idx]);
198
199         ret = 0;
200  out_unlock:
201         rcu_read_unlock();
202
203         return ret;
204 }
205
206 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
207                              u8 key_idx, const u8 *mac_addr, void *cookie,
208                              void (*callback)(void *cookie,
209                                               struct key_params *params))
210 {
211         struct ieee80211_sub_if_data *sdata;
212         struct sta_info *sta = NULL;
213         u8 seq[6] = {0};
214         struct key_params params;
215         struct ieee80211_key *key;
216         u32 iv32;
217         u16 iv16;
218         int err = -ENOENT;
219
220         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
221
222         rcu_read_lock();
223
224         if (mac_addr) {
225                 sta = sta_info_get(sdata->local, mac_addr);
226                 if (!sta)
227                         goto out;
228
229                 key = sta->key;
230         } else
231                 key = sdata->keys[key_idx];
232
233         if (!key)
234                 goto out;
235
236         memset(&params, 0, sizeof(params));
237
238         switch (key->conf.alg) {
239         case ALG_TKIP:
240                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
241
242                 iv32 = key->u.tkip.tx.iv32;
243                 iv16 = key->u.tkip.tx.iv16;
244
245                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
246                         drv_get_tkip_seq(sdata->local,
247                                          key->conf.hw_key_idx,
248                                          &iv32, &iv16);
249
250                 seq[0] = iv16 & 0xff;
251                 seq[1] = (iv16 >> 8) & 0xff;
252                 seq[2] = iv32 & 0xff;
253                 seq[3] = (iv32 >> 8) & 0xff;
254                 seq[4] = (iv32 >> 16) & 0xff;
255                 seq[5] = (iv32 >> 24) & 0xff;
256                 params.seq = seq;
257                 params.seq_len = 6;
258                 break;
259         case ALG_CCMP:
260                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
261                 seq[0] = key->u.ccmp.tx_pn[5];
262                 seq[1] = key->u.ccmp.tx_pn[4];
263                 seq[2] = key->u.ccmp.tx_pn[3];
264                 seq[3] = key->u.ccmp.tx_pn[2];
265                 seq[4] = key->u.ccmp.tx_pn[1];
266                 seq[5] = key->u.ccmp.tx_pn[0];
267                 params.seq = seq;
268                 params.seq_len = 6;
269                 break;
270         case ALG_WEP:
271                 if (key->conf.keylen == 5)
272                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
273                 else
274                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
275                 break;
276         case ALG_AES_CMAC:
277                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
278                 seq[0] = key->u.aes_cmac.tx_pn[5];
279                 seq[1] = key->u.aes_cmac.tx_pn[4];
280                 seq[2] = key->u.aes_cmac.tx_pn[3];
281                 seq[3] = key->u.aes_cmac.tx_pn[2];
282                 seq[4] = key->u.aes_cmac.tx_pn[1];
283                 seq[5] = key->u.aes_cmac.tx_pn[0];
284                 params.seq = seq;
285                 params.seq_len = 6;
286                 break;
287         }
288
289         params.key = key->conf.key;
290         params.key_len = key->conf.keylen;
291
292         callback(cookie, &params);
293         err = 0;
294
295  out:
296         rcu_read_unlock();
297         return err;
298 }
299
300 static int ieee80211_config_default_key(struct wiphy *wiphy,
301                                         struct net_device *dev,
302                                         u8 key_idx)
303 {
304         struct ieee80211_sub_if_data *sdata;
305
306         rcu_read_lock();
307
308         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
309         ieee80211_set_default_key(sdata, key_idx);
310
311         rcu_read_unlock();
312
313         return 0;
314 }
315
316 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
317                                              struct net_device *dev,
318                                              u8 key_idx)
319 {
320         struct ieee80211_sub_if_data *sdata;
321
322         rcu_read_lock();
323
324         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
325         ieee80211_set_default_mgmt_key(sdata, key_idx);
326
327         rcu_read_unlock();
328
329         return 0;
330 }
331
332 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
333 {
334         struct ieee80211_sub_if_data *sdata = sta->sdata;
335
336         sinfo->filled = STATION_INFO_INACTIVE_TIME |
337                         STATION_INFO_RX_BYTES |
338                         STATION_INFO_TX_BYTES |
339                         STATION_INFO_RX_PACKETS |
340                         STATION_INFO_TX_PACKETS |
341                         STATION_INFO_TX_BITRATE;
342
343         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
344         sinfo->rx_bytes = sta->rx_bytes;
345         sinfo->tx_bytes = sta->tx_bytes;
346         sinfo->rx_packets = sta->rx_packets;
347         sinfo->tx_packets = sta->tx_packets;
348
349         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
350                 sinfo->filled |= STATION_INFO_SIGNAL;
351                 sinfo->signal = (s8)sta->last_signal;
352         }
353
354         sinfo->txrate.flags = 0;
355         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
356                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
357         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
358                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
359         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
360                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
361
362         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
363                 struct ieee80211_supported_band *sband;
364                 sband = sta->local->hw.wiphy->bands[
365                                 sta->local->hw.conf.channel->band];
366                 sinfo->txrate.legacy =
367                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
368         } else
369                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
370
371         if (ieee80211_vif_is_mesh(&sdata->vif)) {
372 #ifdef CONFIG_MAC80211_MESH
373                 sinfo->filled |= STATION_INFO_LLID |
374                                  STATION_INFO_PLID |
375                                  STATION_INFO_PLINK_STATE;
376
377                 sinfo->llid = le16_to_cpu(sta->llid);
378                 sinfo->plid = le16_to_cpu(sta->plid);
379                 sinfo->plink_state = sta->plink_state;
380 #endif
381         }
382 }
383
384
385 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
386                                  int idx, u8 *mac, struct station_info *sinfo)
387 {
388         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
389         struct sta_info *sta;
390         int ret = -ENOENT;
391
392         rcu_read_lock();
393
394         sta = sta_info_get_by_idx(local, idx, dev);
395         if (sta) {
396                 ret = 0;
397                 memcpy(mac, sta->sta.addr, ETH_ALEN);
398                 sta_set_sinfo(sta, sinfo);
399         }
400
401         rcu_read_unlock();
402
403         return ret;
404 }
405
406 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
407                                  u8 *mac, struct station_info *sinfo)
408 {
409         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
410         struct sta_info *sta;
411         int ret = -ENOENT;
412
413         rcu_read_lock();
414
415         /* XXX: verify sta->dev == dev */
416
417         sta = sta_info_get(local, mac);
418         if (sta) {
419                 ret = 0;
420                 sta_set_sinfo(sta, sinfo);
421         }
422
423         rcu_read_unlock();
424
425         return ret;
426 }
427
428 /*
429  * This handles both adding a beacon and setting new beacon info
430  */
431 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
432                                    struct beacon_parameters *params)
433 {
434         struct beacon_data *new, *old;
435         int new_head_len, new_tail_len;
436         int size;
437         int err = -EINVAL;
438
439         old = sdata->u.ap.beacon;
440
441         /* head must not be zero-length */
442         if (params->head && !params->head_len)
443                 return -EINVAL;
444
445         /*
446          * This is a kludge. beacon interval should really be part
447          * of the beacon information.
448          */
449         if (params->interval &&
450             (sdata->vif.bss_conf.beacon_int != params->interval)) {
451                 sdata->vif.bss_conf.beacon_int = params->interval;
452                 ieee80211_bss_info_change_notify(sdata,
453                                                  BSS_CHANGED_BEACON_INT);
454         }
455
456         /* Need to have a beacon head if we don't have one yet */
457         if (!params->head && !old)
458                 return err;
459
460         /* sorry, no way to start beaconing without dtim period */
461         if (!params->dtim_period && !old)
462                 return err;
463
464         /* new or old head? */
465         if (params->head)
466                 new_head_len = params->head_len;
467         else
468                 new_head_len = old->head_len;
469
470         /* new or old tail? */
471         if (params->tail || !old)
472                 /* params->tail_len will be zero for !params->tail */
473                 new_tail_len = params->tail_len;
474         else
475                 new_tail_len = old->tail_len;
476
477         size = sizeof(*new) + new_head_len + new_tail_len;
478
479         new = kzalloc(size, GFP_KERNEL);
480         if (!new)
481                 return -ENOMEM;
482
483         /* start filling the new info now */
484
485         /* new or old dtim period? */
486         if (params->dtim_period)
487                 new->dtim_period = params->dtim_period;
488         else
489                 new->dtim_period = old->dtim_period;
490
491         /*
492          * pointers go into the block we allocated,
493          * memory is | beacon_data | head | tail |
494          */
495         new->head = ((u8 *) new) + sizeof(*new);
496         new->tail = new->head + new_head_len;
497         new->head_len = new_head_len;
498         new->tail_len = new_tail_len;
499
500         /* copy in head */
501         if (params->head)
502                 memcpy(new->head, params->head, new_head_len);
503         else
504                 memcpy(new->head, old->head, new_head_len);
505
506         /* copy in optional tail */
507         if (params->tail)
508                 memcpy(new->tail, params->tail, new_tail_len);
509         else
510                 if (old)
511                         memcpy(new->tail, old->tail, new_tail_len);
512
513         rcu_assign_pointer(sdata->u.ap.beacon, new);
514
515         synchronize_rcu();
516
517         kfree(old);
518
519         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
520                                                 BSS_CHANGED_BEACON);
521         return 0;
522 }
523
524 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
525                                 struct beacon_parameters *params)
526 {
527         struct ieee80211_sub_if_data *sdata;
528         struct beacon_data *old;
529
530         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
531
532         old = sdata->u.ap.beacon;
533
534         if (old)
535                 return -EALREADY;
536
537         return ieee80211_config_beacon(sdata, params);
538 }
539
540 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
541                                 struct beacon_parameters *params)
542 {
543         struct ieee80211_sub_if_data *sdata;
544         struct beacon_data *old;
545
546         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
547
548         old = sdata->u.ap.beacon;
549
550         if (!old)
551                 return -ENOENT;
552
553         return ieee80211_config_beacon(sdata, params);
554 }
555
556 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
557 {
558         struct ieee80211_sub_if_data *sdata;
559         struct beacon_data *old;
560
561         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
562
563         old = sdata->u.ap.beacon;
564
565         if (!old)
566                 return -ENOENT;
567
568         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
569         synchronize_rcu();
570         kfree(old);
571
572         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
573         return 0;
574 }
575
576 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
577 struct iapp_layer2_update {
578         u8 da[ETH_ALEN];        /* broadcast */
579         u8 sa[ETH_ALEN];        /* STA addr */
580         __be16 len;             /* 6 */
581         u8 dsap;                /* 0 */
582         u8 ssap;                /* 0 */
583         u8 control;
584         u8 xid_info[3];
585 } __attribute__ ((packed));
586
587 static void ieee80211_send_layer2_update(struct sta_info *sta)
588 {
589         struct iapp_layer2_update *msg;
590         struct sk_buff *skb;
591
592         /* Send Level 2 Update Frame to update forwarding tables in layer 2
593          * bridge devices */
594
595         skb = dev_alloc_skb(sizeof(*msg));
596         if (!skb)
597                 return;
598         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
599
600         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
601          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
602
603         memset(msg->da, 0xff, ETH_ALEN);
604         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
605         msg->len = htons(6);
606         msg->dsap = 0;
607         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
608         msg->control = 0xaf;    /* XID response lsb.1111F101.
609                                  * F=0 (no poll command; unsolicited frame) */
610         msg->xid_info[0] = 0x81;        /* XID format identifier */
611         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
612         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
613
614         skb->dev = sta->sdata->dev;
615         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
616         memset(skb->cb, 0, sizeof(skb->cb));
617         netif_rx(skb);
618 }
619
620 static void sta_apply_parameters(struct ieee80211_local *local,
621                                  struct sta_info *sta,
622                                  struct station_parameters *params)
623 {
624         u32 rates;
625         int i, j;
626         struct ieee80211_supported_band *sband;
627         struct ieee80211_sub_if_data *sdata = sta->sdata;
628         u32 mask, set;
629
630         sband = local->hw.wiphy->bands[local->oper_channel->band];
631
632         spin_lock_bh(&sta->lock);
633         mask = params->sta_flags_mask;
634         set = params->sta_flags_set;
635
636         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
637                 sta->flags &= ~WLAN_STA_AUTHORIZED;
638                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
639                         sta->flags |= WLAN_STA_AUTHORIZED;
640         }
641
642         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
643                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
644                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
645                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
646         }
647
648         if (mask & BIT(NL80211_STA_FLAG_WME)) {
649                 sta->flags &= ~WLAN_STA_WME;
650                 if (set & BIT(NL80211_STA_FLAG_WME))
651                         sta->flags |= WLAN_STA_WME;
652         }
653
654         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
655                 sta->flags &= ~WLAN_STA_MFP;
656                 if (set & BIT(NL80211_STA_FLAG_MFP))
657                         sta->flags |= WLAN_STA_MFP;
658         }
659         spin_unlock_bh(&sta->lock);
660
661         /*
662          * cfg80211 validates this (1-2007) and allows setting the AID
663          * only when creating a new station entry
664          */
665         if (params->aid)
666                 sta->sta.aid = params->aid;
667
668         /*
669          * FIXME: updating the following information is racy when this
670          *        function is called from ieee80211_change_station().
671          *        However, all this information should be static so
672          *        maybe we should just reject attemps to change it.
673          */
674
675         if (params->listen_interval >= 0)
676                 sta->listen_interval = params->listen_interval;
677
678         if (params->supported_rates) {
679                 rates = 0;
680
681                 for (i = 0; i < params->supported_rates_len; i++) {
682                         int rate = (params->supported_rates[i] & 0x7f) * 5;
683                         for (j = 0; j < sband->n_bitrates; j++) {
684                                 if (sband->bitrates[j].bitrate == rate)
685                                         rates |= BIT(j);
686                         }
687                 }
688                 sta->sta.supp_rates[local->oper_channel->band] = rates;
689         }
690
691         if (params->ht_capa)
692                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
693                                                   params->ht_capa,
694                                                   &sta->sta.ht_cap);
695
696         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
697                 switch (params->plink_action) {
698                 case PLINK_ACTION_OPEN:
699                         mesh_plink_open(sta);
700                         break;
701                 case PLINK_ACTION_BLOCK:
702                         mesh_plink_block(sta);
703                         break;
704                 }
705         }
706 }
707
708 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
709                                  u8 *mac, struct station_parameters *params)
710 {
711         struct ieee80211_local *local = wiphy_priv(wiphy);
712         struct sta_info *sta;
713         struct ieee80211_sub_if_data *sdata;
714         int err;
715         int layer2_update;
716
717         if (params->vlan) {
718                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
719
720                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
721                     sdata->vif.type != NL80211_IFTYPE_AP)
722                         return -EINVAL;
723         } else
724                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
725
726         if (compare_ether_addr(mac, dev->dev_addr) == 0)
727                 return -EINVAL;
728
729         if (is_multicast_ether_addr(mac))
730                 return -EINVAL;
731
732         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
733         if (!sta)
734                 return -ENOMEM;
735
736         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
737
738         sta_apply_parameters(local, sta, params);
739
740         rate_control_rate_init(sta);
741
742         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
743                 sdata->vif.type == NL80211_IFTYPE_AP;
744
745         rcu_read_lock();
746
747         err = sta_info_insert(sta);
748         if (err) {
749                 /* STA has been freed */
750                 if (err == -EEXIST && layer2_update) {
751                         /* Need to update layer 2 devices on reassociation */
752                         sta = sta_info_get(local, mac);
753                         if (sta)
754                                 ieee80211_send_layer2_update(sta);
755                 }
756                 rcu_read_unlock();
757                 return err;
758         }
759
760         if (layer2_update)
761                 ieee80211_send_layer2_update(sta);
762
763         rcu_read_unlock();
764
765         return 0;
766 }
767
768 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
769                                  u8 *mac)
770 {
771         struct ieee80211_local *local = wiphy_priv(wiphy);
772         struct ieee80211_sub_if_data *sdata;
773         struct sta_info *sta;
774
775         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
776
777         if (mac) {
778                 rcu_read_lock();
779
780                 /* XXX: get sta belonging to dev */
781                 sta = sta_info_get(local, mac);
782                 if (!sta) {
783                         rcu_read_unlock();
784                         return -ENOENT;
785                 }
786
787                 sta_info_unlink(&sta);
788                 rcu_read_unlock();
789
790                 sta_info_destroy(sta);
791         } else
792                 sta_info_flush(local, sdata);
793
794         return 0;
795 }
796
797 static int ieee80211_change_station(struct wiphy *wiphy,
798                                     struct net_device *dev,
799                                     u8 *mac,
800                                     struct station_parameters *params)
801 {
802         struct ieee80211_local *local = wiphy_priv(wiphy);
803         struct sta_info *sta;
804         struct ieee80211_sub_if_data *vlansdata;
805
806         rcu_read_lock();
807
808         /* XXX: get sta belonging to dev */
809         sta = sta_info_get(local, mac);
810         if (!sta) {
811                 rcu_read_unlock();
812                 return -ENOENT;
813         }
814
815         if (params->vlan && params->vlan != sta->sdata->dev) {
816                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
817
818                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
819                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
820                         rcu_read_unlock();
821                         return -EINVAL;
822                 }
823
824                 sta->sdata = vlansdata;
825                 ieee80211_send_layer2_update(sta);
826         }
827
828         sta_apply_parameters(local, sta, params);
829
830         rcu_read_unlock();
831
832         return 0;
833 }
834
835 #ifdef CONFIG_MAC80211_MESH
836 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
837                                  u8 *dst, u8 *next_hop)
838 {
839         struct ieee80211_local *local = wiphy_priv(wiphy);
840         struct ieee80211_sub_if_data *sdata;
841         struct mesh_path *mpath;
842         struct sta_info *sta;
843         int err;
844
845         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
846
847         rcu_read_lock();
848         sta = sta_info_get(local, next_hop);
849         if (!sta) {
850                 rcu_read_unlock();
851                 return -ENOENT;
852         }
853
854         err = mesh_path_add(dst, sdata);
855         if (err) {
856                 rcu_read_unlock();
857                 return err;
858         }
859
860         mpath = mesh_path_lookup(dst, sdata);
861         if (!mpath) {
862                 rcu_read_unlock();
863                 return -ENXIO;
864         }
865         mesh_path_fix_nexthop(mpath, sta);
866
867         rcu_read_unlock();
868         return 0;
869 }
870
871 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
872                                  u8 *dst)
873 {
874         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
875
876         if (dst)
877                 return mesh_path_del(dst, sdata);
878
879         mesh_path_flush(sdata);
880         return 0;
881 }
882
883 static int ieee80211_change_mpath(struct wiphy *wiphy,
884                                     struct net_device *dev,
885                                     u8 *dst, u8 *next_hop)
886 {
887         struct ieee80211_local *local = wiphy_priv(wiphy);
888         struct ieee80211_sub_if_data *sdata;
889         struct mesh_path *mpath;
890         struct sta_info *sta;
891
892         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
893
894         rcu_read_lock();
895
896         sta = sta_info_get(local, next_hop);
897         if (!sta) {
898                 rcu_read_unlock();
899                 return -ENOENT;
900         }
901
902         mpath = mesh_path_lookup(dst, sdata);
903         if (!mpath) {
904                 rcu_read_unlock();
905                 return -ENOENT;
906         }
907
908         mesh_path_fix_nexthop(mpath, sta);
909
910         rcu_read_unlock();
911         return 0;
912 }
913
914 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
915                             struct mpath_info *pinfo)
916 {
917         if (mpath->next_hop)
918                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
919         else
920                 memset(next_hop, 0, ETH_ALEN);
921
922         pinfo->filled = MPATH_INFO_FRAME_QLEN |
923                         MPATH_INFO_DSN |
924                         MPATH_INFO_METRIC |
925                         MPATH_INFO_EXPTIME |
926                         MPATH_INFO_DISCOVERY_TIMEOUT |
927                         MPATH_INFO_DISCOVERY_RETRIES |
928                         MPATH_INFO_FLAGS;
929
930         pinfo->frame_qlen = mpath->frame_queue.qlen;
931         pinfo->dsn = mpath->dsn;
932         pinfo->metric = mpath->metric;
933         if (time_before(jiffies, mpath->exp_time))
934                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
935         pinfo->discovery_timeout =
936                         jiffies_to_msecs(mpath->discovery_timeout);
937         pinfo->discovery_retries = mpath->discovery_retries;
938         pinfo->flags = 0;
939         if (mpath->flags & MESH_PATH_ACTIVE)
940                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
941         if (mpath->flags & MESH_PATH_RESOLVING)
942                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
943         if (mpath->flags & MESH_PATH_DSN_VALID)
944                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
945         if (mpath->flags & MESH_PATH_FIXED)
946                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
947         if (mpath->flags & MESH_PATH_RESOLVING)
948                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
949
950         pinfo->flags = mpath->flags;
951 }
952
953 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
954                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
955
956 {
957         struct ieee80211_sub_if_data *sdata;
958         struct mesh_path *mpath;
959
960         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
961
962         rcu_read_lock();
963         mpath = mesh_path_lookup(dst, sdata);
964         if (!mpath) {
965                 rcu_read_unlock();
966                 return -ENOENT;
967         }
968         memcpy(dst, mpath->dst, ETH_ALEN);
969         mpath_set_pinfo(mpath, next_hop, pinfo);
970         rcu_read_unlock();
971         return 0;
972 }
973
974 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
975                                  int idx, u8 *dst, u8 *next_hop,
976                                  struct mpath_info *pinfo)
977 {
978         struct ieee80211_sub_if_data *sdata;
979         struct mesh_path *mpath;
980
981         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
982
983         rcu_read_lock();
984         mpath = mesh_path_lookup_by_idx(idx, sdata);
985         if (!mpath) {
986                 rcu_read_unlock();
987                 return -ENOENT;
988         }
989         memcpy(dst, mpath->dst, ETH_ALEN);
990         mpath_set_pinfo(mpath, next_hop, pinfo);
991         rcu_read_unlock();
992         return 0;
993 }
994
995 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
996                                 struct net_device *dev,
997                                 struct mesh_config *conf)
998 {
999         struct ieee80211_sub_if_data *sdata;
1000         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1001
1002         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1003         return 0;
1004 }
1005
1006 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1007 {
1008         return (mask >> (parm-1)) & 0x1;
1009 }
1010
1011 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1012                                 struct net_device *dev,
1013                                 const struct mesh_config *nconf, u32 mask)
1014 {
1015         struct mesh_config *conf;
1016         struct ieee80211_sub_if_data *sdata;
1017         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1018
1019         /* Set the config options which we are interested in setting */
1020         conf = &(sdata->u.mesh.mshcfg);
1021         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1022                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1023         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1024                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1025         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1026                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1027         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1028                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1029         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1030                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1031         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1032                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1033         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1034                 conf->auto_open_plinks = nconf->auto_open_plinks;
1035         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1036                 conf->dot11MeshHWMPmaxPREQretries =
1037                         nconf->dot11MeshHWMPmaxPREQretries;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1039                 conf->path_refresh_time = nconf->path_refresh_time;
1040         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1041                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1042         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1043                 conf->dot11MeshHWMPactivePathTimeout =
1044                         nconf->dot11MeshHWMPactivePathTimeout;
1045         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1046                 conf->dot11MeshHWMPpreqMinInterval =
1047                         nconf->dot11MeshHWMPpreqMinInterval;
1048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1049                            mask))
1050                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1051                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1052         return 0;
1053 }
1054
1055 #endif
1056
1057 static int ieee80211_change_bss(struct wiphy *wiphy,
1058                                 struct net_device *dev,
1059                                 struct bss_parameters *params)
1060 {
1061         struct ieee80211_sub_if_data *sdata;
1062         u32 changed = 0;
1063
1064         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1065
1066         if (params->use_cts_prot >= 0) {
1067                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1068                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1069         }
1070         if (params->use_short_preamble >= 0) {
1071                 sdata->vif.bss_conf.use_short_preamble =
1072                         params->use_short_preamble;
1073                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1074         }
1075         if (params->use_short_slot_time >= 0) {
1076                 sdata->vif.bss_conf.use_short_slot =
1077                         params->use_short_slot_time;
1078                 changed |= BSS_CHANGED_ERP_SLOT;
1079         }
1080
1081         if (params->basic_rates) {
1082                 int i, j;
1083                 u32 rates = 0;
1084                 struct ieee80211_local *local = wiphy_priv(wiphy);
1085                 struct ieee80211_supported_band *sband =
1086                         wiphy->bands[local->oper_channel->band];
1087
1088                 for (i = 0; i < params->basic_rates_len; i++) {
1089                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1090                         for (j = 0; j < sband->n_bitrates; j++) {
1091                                 if (sband->bitrates[j].bitrate == rate)
1092                                         rates |= BIT(j);
1093                         }
1094                 }
1095                 sdata->vif.bss_conf.basic_rates = rates;
1096                 changed |= BSS_CHANGED_BASIC_RATES;
1097         }
1098
1099         ieee80211_bss_info_change_notify(sdata, changed);
1100
1101         return 0;
1102 }
1103
1104 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1105                                     struct ieee80211_txq_params *params)
1106 {
1107         struct ieee80211_local *local = wiphy_priv(wiphy);
1108         struct ieee80211_tx_queue_params p;
1109
1110         if (!local->ops->conf_tx)
1111                 return -EOPNOTSUPP;
1112
1113         memset(&p, 0, sizeof(p));
1114         p.aifs = params->aifs;
1115         p.cw_max = params->cwmax;
1116         p.cw_min = params->cwmin;
1117         p.txop = params->txop;
1118         if (drv_conf_tx(local, params->queue, &p)) {
1119                 printk(KERN_DEBUG "%s: failed to set TX queue "
1120                        "parameters for queue %d\n",
1121                        wiphy_name(local->hw.wiphy), params->queue);
1122                 return -EINVAL;
1123         }
1124
1125         return 0;
1126 }
1127
1128 static int ieee80211_set_channel(struct wiphy *wiphy,
1129                                  struct ieee80211_channel *chan,
1130                                  enum nl80211_channel_type channel_type)
1131 {
1132         struct ieee80211_local *local = wiphy_priv(wiphy);
1133
1134         local->oper_channel = chan;
1135         local->oper_channel_type = channel_type;
1136
1137         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1138 }
1139
1140 #ifdef CONFIG_PM
1141 static int ieee80211_suspend(struct wiphy *wiphy)
1142 {
1143         return __ieee80211_suspend(wiphy_priv(wiphy));
1144 }
1145
1146 static int ieee80211_resume(struct wiphy *wiphy)
1147 {
1148         return __ieee80211_resume(wiphy_priv(wiphy));
1149 }
1150 #else
1151 #define ieee80211_suspend NULL
1152 #define ieee80211_resume NULL
1153 #endif
1154
1155 static int ieee80211_scan(struct wiphy *wiphy,
1156                           struct net_device *dev,
1157                           struct cfg80211_scan_request *req)
1158 {
1159         struct ieee80211_sub_if_data *sdata;
1160
1161         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1162
1163         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1164             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1165             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1166             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1167                 return -EOPNOTSUPP;
1168
1169         return ieee80211_request_scan(sdata, req);
1170 }
1171
1172 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1173                           struct cfg80211_auth_request *req)
1174 {
1175         struct ieee80211_sub_if_data *sdata;
1176
1177         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1178
1179         switch (req->auth_type) {
1180         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1181                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1182                 break;
1183         case NL80211_AUTHTYPE_SHARED_KEY:
1184                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1185                 break;
1186         case NL80211_AUTHTYPE_FT:
1187                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1188                 break;
1189         case NL80211_AUTHTYPE_NETWORK_EAP:
1190                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1191                 break;
1192         default:
1193                 return -EOPNOTSUPP;
1194         }
1195
1196         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1197         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1198         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1199
1200         /* TODO: req->chan */
1201         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1202
1203         if (req->ssid) {
1204                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1205                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1206                 sdata->u.mgd.ssid_len = req->ssid_len;
1207                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1208         }
1209
1210         kfree(sdata->u.mgd.sme_auth_ie);
1211         sdata->u.mgd.sme_auth_ie = NULL;
1212         sdata->u.mgd.sme_auth_ie_len = 0;
1213         if (req->ie) {
1214                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1215                 if (sdata->u.mgd.sme_auth_ie == NULL)
1216                         return -ENOMEM;
1217                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1218                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1219         }
1220
1221         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1222         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1223         ieee80211_sta_req_auth(sdata);
1224         return 0;
1225 }
1226
1227 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1228                            struct cfg80211_assoc_request *req)
1229 {
1230         struct ieee80211_sub_if_data *sdata;
1231         int ret;
1232
1233         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234
1235         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1236             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1237                 return -ENOLINK; /* not authenticated */
1238
1239         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1240         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1241
1242         /* TODO: req->chan */
1243         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1244
1245         if (req->ssid) {
1246                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1247                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1248                 sdata->u.mgd.ssid_len = req->ssid_len;
1249                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1250         } else
1251                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1252
1253         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1254         if (ret && ret != -EALREADY)
1255                 return ret;
1256
1257         if (req->use_mfp) {
1258                 sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
1259                 sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
1260         } else {
1261                 sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
1262                 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
1263         }
1264
1265         if (req->crypto.control_port)
1266                 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
1267         else
1268                 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
1269
1270         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1271         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1272         ieee80211_sta_req_auth(sdata);
1273         return 0;
1274 }
1275
1276 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1277                             struct cfg80211_deauth_request *req)
1278 {
1279         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1280
1281         /* TODO: req->ie, req->peer_addr */
1282         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1283 }
1284
1285 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1286                               struct cfg80211_disassoc_request *req)
1287 {
1288         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1289
1290         /* TODO: req->ie, req->peer_addr */
1291         return ieee80211_sta_disassociate(sdata, req->reason_code);
1292 }
1293
1294 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1295                                struct cfg80211_ibss_params *params)
1296 {
1297         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1298
1299         return ieee80211_ibss_join(sdata, params);
1300 }
1301
1302 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1303 {
1304         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305
1306         return ieee80211_ibss_leave(sdata);
1307 }
1308
1309 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1310 {
1311         struct ieee80211_local *local = wiphy_priv(wiphy);
1312         int err;
1313
1314         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1315                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1316
1317                 if (err)
1318                         return err;
1319         }
1320
1321         if (changed & WIPHY_PARAM_RETRY_SHORT)
1322                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1323         if (changed & WIPHY_PARAM_RETRY_LONG)
1324                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1325         if (changed &
1326             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1327                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1328
1329         return 0;
1330 }
1331
1332 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1333                                   enum tx_power_setting type, int dbm)
1334 {
1335         struct ieee80211_local *local = wiphy_priv(wiphy);
1336         struct ieee80211_channel *chan = local->hw.conf.channel;
1337         u32 changes = 0;
1338
1339         switch (type) {
1340         case TX_POWER_AUTOMATIC:
1341                 local->user_power_level = -1;
1342                 break;
1343         case TX_POWER_LIMITED:
1344                 if (dbm < 0)
1345                         return -EINVAL;
1346                 local->user_power_level = dbm;
1347                 break;
1348         case TX_POWER_FIXED:
1349                 if (dbm < 0)
1350                         return -EINVAL;
1351                 /* TODO: move to cfg80211 when it knows the channel */
1352                 if (dbm > chan->max_power)
1353                         return -EINVAL;
1354                 local->user_power_level = dbm;
1355                 break;
1356         }
1357
1358         ieee80211_hw_config(local, changes);
1359
1360         return 0;
1361 }
1362
1363 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1364 {
1365         struct ieee80211_local *local = wiphy_priv(wiphy);
1366
1367         *dbm = local->hw.conf.power_level;
1368
1369         return 0;
1370 }
1371
1372 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1373 {
1374         struct ieee80211_local *local = wiphy_priv(wiphy);
1375
1376         drv_rfkill_poll(local);
1377 }
1378
1379 #ifdef CONFIG_NL80211_TESTMODE
1380 int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1381 {
1382         struct ieee80211_local *local = wiphy_priv(wiphy);
1383
1384         if (!local->ops->testmode_cmd)
1385                 return -EOPNOTSUPP;
1386
1387         return local->ops->testmode_cmd(&local->hw, data, len);
1388 }
1389 #endif
1390
1391 struct cfg80211_ops mac80211_config_ops = {
1392         .add_virtual_intf = ieee80211_add_iface,
1393         .del_virtual_intf = ieee80211_del_iface,
1394         .change_virtual_intf = ieee80211_change_iface,
1395         .add_key = ieee80211_add_key,
1396         .del_key = ieee80211_del_key,
1397         .get_key = ieee80211_get_key,
1398         .set_default_key = ieee80211_config_default_key,
1399         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1400         .add_beacon = ieee80211_add_beacon,
1401         .set_beacon = ieee80211_set_beacon,
1402         .del_beacon = ieee80211_del_beacon,
1403         .add_station = ieee80211_add_station,
1404         .del_station = ieee80211_del_station,
1405         .change_station = ieee80211_change_station,
1406         .get_station = ieee80211_get_station,
1407         .dump_station = ieee80211_dump_station,
1408 #ifdef CONFIG_MAC80211_MESH
1409         .add_mpath = ieee80211_add_mpath,
1410         .del_mpath = ieee80211_del_mpath,
1411         .change_mpath = ieee80211_change_mpath,
1412         .get_mpath = ieee80211_get_mpath,
1413         .dump_mpath = ieee80211_dump_mpath,
1414         .set_mesh_params = ieee80211_set_mesh_params,
1415         .get_mesh_params = ieee80211_get_mesh_params,
1416 #endif
1417         .change_bss = ieee80211_change_bss,
1418         .set_txq_params = ieee80211_set_txq_params,
1419         .set_channel = ieee80211_set_channel,
1420         .suspend = ieee80211_suspend,
1421         .resume = ieee80211_resume,
1422         .scan = ieee80211_scan,
1423         .auth = ieee80211_auth,
1424         .assoc = ieee80211_assoc,
1425         .deauth = ieee80211_deauth,
1426         .disassoc = ieee80211_disassoc,
1427         .join_ibss = ieee80211_join_ibss,
1428         .leave_ibss = ieee80211_leave_ibss,
1429         .set_wiphy_params = ieee80211_set_wiphy_params,
1430         .set_tx_power = ieee80211_set_tx_power,
1431         .get_tx_power = ieee80211_get_tx_power,
1432         .rfkill_poll = ieee80211_rfkill_poll,
1433         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1434 };