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mac80211: reject unhandled action frames
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
62da92fb 4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
881d966b 12#include <net/net_namespace.h>
5dfdaf58 13#include <linux/rcupdate.h>
f0706e82
JB		 14#include <net/cfg80211.h>
15#include "ieee80211_i.h"
24487981 16#include "driver-ops.h"
e0eb6859 17#include "cfg.h"
2c8dccc7 18#include "rate.h"
c5dd9c2b 19#include "mesh.h"
c5dd9c2b 20
05c914fe 21static bool nl80211_type_check(enum nl80211_iftype type)
42613db7
JB		 22{
23 switch (type) {
42613db7 24 case NL80211_IFTYPE_ADHOC:
42613db7 25 case NL80211_IFTYPE_STATION:
42613db7 26 case NL80211_IFTYPE_MONITOR:
c5dd9c2b
LCC		 27#ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT:
c5dd9c2b 29#endif
fbf18927
JM		 30 case NL80211_IFTYPE_AP:
31 case NL80211_IFTYPE_AP_VLAN:
b454048c 32 case NL80211_IFTYPE_WDS:
05c914fe 33 return true;
42613db7 34 default:
05c914fe 35 return false;
42613db7
JB		 36 }
37}
38
f14543ee
FF		 39static bool nl80211_params_check(enum nl80211_iftype type,
40 struct vif_params *params)
41{
42 if (!nl80211_type_check(type))
43 return false;
44
f14543ee
FF		 45 return true;
46}
47
f0706e82 48static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
2ec600d6
LCC		 49 enum nl80211_iftype type, u32 *flags,
50 struct vif_params *params)
f0706e82
JB		 51{
52 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 53 struct net_device *dev;
54 struct ieee80211_sub_if_data *sdata;
55 int err;
f0706e82 56
f14543ee 57 if (!nl80211_params_check(type, params))
f0706e82 58 return -EINVAL;
f0706e82 59
05c914fe
JB		 60 err = ieee80211_if_add(local, name, &dev, type, params);
61 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 62 return err;
63
64 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
65 sdata->u.mntr_flags = *flags;
66 return 0;
f0706e82
JB		 67}
68
463d0183 69static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 70{
463d0183 71 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 72
75636525 73 return 0;
f0706e82
JB		 74}
75
e36d56b6
JB		 76static int ieee80211_change_iface(struct wiphy *wiphy,
77 struct net_device *dev,
2ec600d6
LCC		 78 enum nl80211_iftype type, u32 *flags,
79 struct vif_params *params)
42613db7 80{
9607e6b6 81 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 82 int ret;
42613db7 83
9607e6b6 84 if (ieee80211_sdata_running(sdata))
c1f9a764
JB		 85 return -EBUSY;
86
f14543ee 87 if (!nl80211_params_check(type, params))
42613db7
JB		 88 return -EINVAL;
89
05c914fe 90 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 91 if (ret)
92 return ret;
42613db7 93
902acc78 94 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 95 ieee80211_sdata_set_mesh_id(sdata,
96 params->mesh_id_len,
97 params->mesh_id);
c5dd9c2b 98
05c914fe 99 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 100 return 0;
101
9bc383de
JB		 102 if (type == NL80211_IFTYPE_AP_VLAN &&
103 params && params->use_4addr == 0)
104 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
105 else if (type == NL80211_IFTYPE_STATION &&
106 params && params->use_4addr >= 0)
107 sdata->u.mgd.use_4addr = params->use_4addr;
108
8cc9a739 109 sdata->u.mntr_flags = *flags;
42613db7
JB		 110 return 0;
111}
112
e8cbb4cb 113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 114 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 115 struct key_params *params)
116{
117 struct ieee80211_sub_if_data *sdata;
118 struct sta_info *sta = NULL;
119 enum ieee80211_key_alg alg;
db4d1169 120 struct ieee80211_key *key;
3b96766f 121 int err;
e8cbb4cb
JB		 122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125 switch (params->cipher) {
126 case WLAN_CIPHER_SUITE_WEP40:
127 case WLAN_CIPHER_SUITE_WEP104:
128 alg = ALG_WEP;
129 break;
130 case WLAN_CIPHER_SUITE_TKIP:
131 alg = ALG_TKIP;
132 break;
133 case WLAN_CIPHER_SUITE_CCMP:
134 alg = ALG_CCMP;
135 break;
3cfcf6ac
JM		 136 case WLAN_CIPHER_SUITE_AES_CMAC:
137 alg = ALG_AES_CMAC;
138 break;
e8cbb4cb
JB		 139 default:
140 return -EINVAL;
141 }
142
faa8fdc8
JM		 143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144 params->seq_len, params->seq);
db4d1169
JB		 145 if (!key)
146 return -ENOMEM;
147
3b96766f
JB		 148 rcu_read_lock();
149
e8cbb4cb 150 if (mac_addr) {
0e5ded5a 151 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169
JB		 152 if (!sta) {
153 ieee80211_key_free(key);
3b96766f
JB		 154 err = -ENOENT;
155 goto out_unlock;
db4d1169 156 }
e8cbb4cb
JB		 157 }
158
db4d1169
JB		 159 ieee80211_key_link(key, sdata, sta);
160
3b96766f
JB		 161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
164
165 return err;
e8cbb4cb
JB		 166}
167
168static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 169 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 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
3b96766f
JB		 177 rcu_read_lock();
178
e8cbb4cb 179 if (mac_addr) {
3b96766f
JB		 180 ret = -ENOENT;
181
0e5ded5a 182 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 183 if (!sta)
3b96766f 184 goto out_unlock;
e8cbb4cb 185
db4d1169 186 if (sta->key) {
d0709a65 187 ieee80211_key_free(sta->key);
db4d1169 188 WARN_ON(sta->key);
3b96766f
JB		 189 ret = 0;
190 }
e8cbb4cb 191
3b96766f 192 goto out_unlock;
e8cbb4cb
JB		 193 }
194
3b96766f
JB		 195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
198 }
e8cbb4cb 199
d0709a65 200 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 201 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 202
3b96766f
JB		 203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
206
207 return ret;
e8cbb4cb
JB		 208}
209
62da92fb 210static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 211 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 212 void (*callback)(void *cookie,
213 struct key_params *params))
214{
14db74bc 215 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 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
14db74bc
JB		 224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
3b96766f
JB		 226 rcu_read_lock();
227
62da92fb 228 if (mac_addr) {
0e5ded5a 229 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 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
b0f76b33
HH		 246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
62da92fb 248
24487981
JB		 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);
62da92fb
JB		 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;
3cfcf6ac
JM		 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;
62da92fb
JB		 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:
3b96766f 300 rcu_read_unlock();
62da92fb
JB		 301 return err;
302}
303
e8cbb4cb
JB		 304static 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
3b96766f
JB		 310 rcu_read_lock();
311
e8cbb4cb
JB		 312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
314
3b96766f
JB		 315 rcu_read_unlock();
316
e8cbb4cb
JB		 317 return 0;
318}
319
3cfcf6ac
JM		 320static 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
c5dd9c2b
LCC		 336static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337{
d0709a65 338 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 339
f5ea9120
JB		 340 sinfo->generation = sdata->local->sta_generation;
341
c5dd9c2b
LCC		 342 sinfo->filled = STATION_INFO_INACTIVE_TIME |
343 STATION_INFO_RX_BYTES |
420e7fab 344 STATION_INFO_TX_BYTES |
98c8a60a
JM		 345 STATION_INFO_RX_PACKETS |
346 STATION_INFO_TX_PACKETS |
420e7fab 347 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 348
349 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350 sinfo->rx_bytes = sta->rx_bytes;
351 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 352 sinfo->rx_packets = sta->rx_packets;
353 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 354
19deffbe
JL		 355 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
420e7fab
HR		 357 sinfo->filled |= STATION_INFO_SIGNAL;
358 sinfo->signal = (s8)sta->last_signal;
359 }
360
361 sinfo->txrate.flags = 0;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370 struct ieee80211_supported_band *sband;
371 sband = sta->local->hw.wiphy->bands[
372 sta->local->hw.conf.channel->band];
373 sinfo->txrate.legacy =
374 sband->bitrates[sta->last_tx_rate.idx].bitrate;
375 } else
376 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
902acc78 378 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 379#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 380 sinfo->filled |= STATION_INFO_LLID |
381 STATION_INFO_PLID |
382 STATION_INFO_PLINK_STATE;
383
384 sinfo->llid = le16_to_cpu(sta->llid);
385 sinfo->plid = le16_to_cpu(sta->plid);
386 sinfo->plink_state = sta->plink_state;
c5dd9c2b 387#endif
902acc78 388 }
c5dd9c2b
LCC		 389}
390
391
392static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
394{
3b53fde8 395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 396 struct sta_info *sta;
d0709a65
JB		 397 int ret = -ENOENT;
398
399 rcu_read_lock();
c5dd9c2b 400
3b53fde8 401 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 402 if (sta) {
403 ret = 0;
17741cdc 404 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 405 sta_set_sinfo(sta, sinfo);
406 }
c5dd9c2b 407
d0709a65 408 rcu_read_unlock();
c5dd9c2b 409
d0709a65 410 return ret;
c5dd9c2b
LCC		 411}
412
7bbdd2d9 413static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 414 u8 *mac, struct station_info *sinfo)
7bbdd2d9 415{
abe60632 416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 417 struct sta_info *sta;
d0709a65 418 int ret = -ENOENT;
7bbdd2d9 419
d0709a65 420 rcu_read_lock();
7bbdd2d9 421
0e5ded5a 422 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 423 if (sta) {
424 ret = 0;
425 sta_set_sinfo(sta, sinfo);
426 }
427
428 rcu_read_unlock();
429
430 return ret;
7bbdd2d9
JB		 431}
432
5dfdaf58
JB		 433/*
434 * This handles both adding a beacon and setting new beacon info
435 */
436static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437 struct beacon_parameters *params)
438{
439 struct beacon_data *new, *old;
440 int new_head_len, new_tail_len;
441 int size;
442 int err = -EINVAL;
443
444 old = sdata->u.ap.beacon;
445
446 /* head must not be zero-length */
447 if (params->head && !params->head_len)
448 return -EINVAL;
449
450 /*
451 * This is a kludge. beacon interval should really be part
452 * of the beacon information.
453 */
57c4d7b4
JB		 454 if (params->interval &&
455 (sdata->vif.bss_conf.beacon_int != params->interval)) {
456 sdata->vif.bss_conf.beacon_int = params->interval;
457 ieee80211_bss_info_change_notify(sdata,
458 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 459 }
460
461 /* Need to have a beacon head if we don't have one yet */
462 if (!params->head && !old)
463 return err;
464
465 /* sorry, no way to start beaconing without dtim period */
466 if (!params->dtim_period && !old)
467 return err;
468
469 /* new or old head? */
470 if (params->head)
471 new_head_len = params->head_len;
472 else
473 new_head_len = old->head_len;
474
475 /* new or old tail? */
476 if (params->tail || !old)
477 /* params->tail_len will be zero for !params->tail */
478 new_tail_len = params->tail_len;
479 else
480 new_tail_len = old->tail_len;
481
482 size = sizeof(*new) + new_head_len + new_tail_len;
483
484 new = kzalloc(size, GFP_KERNEL);
485 if (!new)
486 return -ENOMEM;
487
488 /* start filling the new info now */
489
490 /* new or old dtim period? */
491 if (params->dtim_period)
492 new->dtim_period = params->dtim_period;
493 else
494 new->dtim_period = old->dtim_period;
495
496 /*
497 * pointers go into the block we allocated,
498 * memory is | beacon_data | head | tail |
499 */
500 new->head = ((u8 *) new) + sizeof(*new);
501 new->tail = new->head + new_head_len;
502 new->head_len = new_head_len;
503 new->tail_len = new_tail_len;
504
505 /* copy in head */
506 if (params->head)
507 memcpy(new->head, params->head, new_head_len);
508 else
509 memcpy(new->head, old->head, new_head_len);
510
511 /* copy in optional tail */
512 if (params->tail)
513 memcpy(new->tail, params->tail, new_tail_len);
514 else
515 if (old)
516 memcpy(new->tail, old->tail, new_tail_len);
517
19885c4f
JB		 518 sdata->vif.bss_conf.dtim_period = new->dtim_period;
519
5dfdaf58
JB		 520 rcu_assign_pointer(sdata->u.ap.beacon, new);
521
522 synchronize_rcu();
523
524 kfree(old);
525
2d0ddec5
JB		 526 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
527 BSS_CHANGED_BEACON);
528 return 0;
5dfdaf58
JB		 529}
530
531static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
532 struct beacon_parameters *params)
533{
14db74bc 534 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 535 struct beacon_data *old;
536
14db74bc
JB		 537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
538
5dfdaf58
JB		 539 old = sdata->u.ap.beacon;
540
541 if (old)
542 return -EALREADY;
543
544 return ieee80211_config_beacon(sdata, params);
545}
546
547static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
548 struct beacon_parameters *params)
549{
14db74bc 550 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 551 struct beacon_data *old;
552
14db74bc
JB		 553 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
5dfdaf58
JB		 555 old = sdata->u.ap.beacon;
556
557 if (!old)
558 return -ENOENT;
559
560 return ieee80211_config_beacon(sdata, params);
561}
562
563static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
564{
14db74bc 565 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 566 struct beacon_data *old;
567
14db74bc
JB		 568 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569
5dfdaf58
JB		 570 old = sdata->u.ap.beacon;
571
572 if (!old)
573 return -ENOENT;
574
575 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576 synchronize_rcu();
577 kfree(old);
578
2d0ddec5
JB		 579 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580 return 0;
5dfdaf58
JB		 581}
582
4fd6931e
JB		 583/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
584struct iapp_layer2_update {
585 u8 da[ETH_ALEN]; /* broadcast */
586 u8 sa[ETH_ALEN]; /* STA addr */
587 __be16 len; /* 6 */
588 u8 dsap; /* 0 */
589 u8 ssap; /* 0 */
590 u8 control;
591 u8 xid_info[3];
592} __attribute__ ((packed));
593
594static void ieee80211_send_layer2_update(struct sta_info *sta)
595{
596 struct iapp_layer2_update *msg;
597 struct sk_buff *skb;
598
599 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 * bridge devices */
601
602 skb = dev_alloc_skb(sizeof(*msg));
603 if (!skb)
604 return;
605 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
606
607 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
608 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
609
610 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 611 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 612 msg->len = htons(6);
613 msg->dsap = 0;
614 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
615 msg->control = 0xaf; /* XID response lsb.1111F101.
616 * F=0 (no poll command; unsolicited frame) */
617 msg->xid_info[0] = 0x81; /* XID format identifier */
618 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
619 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
620
d0709a65
JB		 621 skb->dev = sta->sdata->dev;
622 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 623 memset(skb->cb, 0, sizeof(skb->cb));
624 netif_rx(skb);
625}
626
627static void sta_apply_parameters(struct ieee80211_local *local,
628 struct sta_info *sta,
629 struct station_parameters *params)
630{
631 u32 rates;
632 int i, j;
8318d78a 633 struct ieee80211_supported_band *sband;
d0709a65 634 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 635 u32 mask, set;
4fd6931e 636
ae5eb026
JB		 637 sband = local->hw.wiphy->bands[local->oper_channel->band];
638
eccb8e8f
JB		 639 spin_lock_bh(&sta->lock);
640 mask = params->sta_flags_mask;
641 set = params->sta_flags_set;
73651ee6 642
eccb8e8f 643 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 644 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 645 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 646 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 647 }
4fd6931e 648
eccb8e8f 649 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 650 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 651 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 652 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 653 }
4fd6931e 654
eccb8e8f 655 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 656 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 657 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 658 sta->flags |= WLAN_STA_WME;
eccb8e8f 659 }
5394af4d 660
eccb8e8f 661 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 662 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 663 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 664 sta->flags |= WLAN_STA_MFP;
4fd6931e 665 }
eccb8e8f 666 spin_unlock_bh(&sta->lock);
4fd6931e 667
51b50fbe
JB		 668 /*
669 * cfg80211 validates this (1-2007) and allows setting the AID
670 * only when creating a new station entry
671 */
672 if (params->aid)
673 sta->sta.aid = params->aid;
674
73651ee6
JB		 675 /*
676 * FIXME: updating the following information is racy when this
677 * function is called from ieee80211_change_station().
678 * However, all this information should be static so
679 * maybe we should just reject attemps to change it.
680 */
681
4fd6931e
JB		 682 if (params->listen_interval >= 0)
683 sta->listen_interval = params->listen_interval;
684
685 if (params->supported_rates) {
686 rates = 0;
8318d78a 687
4fd6931e
JB		 688 for (i = 0; i < params->supported_rates_len; i++) {
689 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 690 for (j = 0; j < sband->n_bitrates; j++) {
691 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 692 rates |= BIT(j);
693 }
694 }
323ce79a 695 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 696 }
c5dd9c2b 697
d9fe60de 698 if (params->ht_capa)
ae5eb026
JB		 699 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700 params->ht_capa,
d9fe60de 701 &sta->sta.ht_cap);
36aedc90 702
902acc78 703 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 704 switch (params->plink_action) {
705 case PLINK_ACTION_OPEN:
706 mesh_plink_open(sta);
707 break;
708 case PLINK_ACTION_BLOCK:
709 mesh_plink_block(sta);
710 break;
711 }
902acc78 712 }
4fd6931e
JB		 713}
714
715static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
716 u8 *mac, struct station_parameters *params)
717{
14db74bc 718 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 719 struct sta_info *sta;
720 struct ieee80211_sub_if_data *sdata;
73651ee6 721 int err;
b8d476c8 722 int layer2_update;
4fd6931e 723
4fd6931e
JB		 724 if (params->vlan) {
725 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
726
05c914fe
JB		 727 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
728 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 729 return -EINVAL;
730 } else
731 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
732
47846c9b 733 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 734 return -EINVAL;
735
736 if (is_multicast_ether_addr(mac))
737 return -EINVAL;
738
739 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 740 if (!sta)
741 return -ENOMEM;
4fd6931e
JB		 742
743 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
744
745 sta_apply_parameters(local, sta, params);
746
4b7679a5 747 rate_control_rate_init(sta);
4fd6931e 748
b8d476c8
JM		 749 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
750 sdata->vif.type == NL80211_IFTYPE_AP;
751
34e89507 752 err = sta_info_insert_rcu(sta);
73651ee6 753 if (err) {
73651ee6
JB		 754 rcu_read_unlock();
755 return err;
756 }
757
b8d476c8 758 if (layer2_update)
73651ee6
JB		 759 ieee80211_send_layer2_update(sta);
760
761 rcu_read_unlock();
762
4fd6931e
JB		 763 return 0;
764}
765
766static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767 u8 *mac)
768{
14db74bc
JB		 769 struct ieee80211_local *local = wiphy_priv(wiphy);
770 struct ieee80211_sub_if_data *sdata;
4fd6931e 771
14db74bc
JB		 772 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
773
34e89507
JB		 774 if (mac)
775 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 776
34e89507 777 sta_info_flush(local, sdata);
4fd6931e
JB		 778 return 0;
779}
780
781static int ieee80211_change_station(struct wiphy *wiphy,
782 struct net_device *dev,
783 u8 *mac,
784 struct station_parameters *params)
785{
abe60632 786 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 787 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 788 struct sta_info *sta;
789 struct ieee80211_sub_if_data *vlansdata;
790
98dd6a57
JB		 791 rcu_read_lock();
792
0e5ded5a 793 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 794 if (!sta) {
795 rcu_read_unlock();
4fd6931e 796 return -ENOENT;
98dd6a57 797 }
4fd6931e 798
d0709a65 799 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 800 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
801
05c914fe
JB		 802 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
803 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 804 rcu_read_unlock();
4fd6931e 805 return -EINVAL;
98dd6a57 806 }
4fd6931e 807
9bc383de 808 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 809 if (vlansdata->u.vlan.sta) {
810 rcu_read_unlock();
f14543ee 811 return -EBUSY;
3305443c 812 }
f14543ee
FF		 813
814 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
815 }
816
14db74bc 817 sta->sdata = vlansdata;
4fd6931e
JB		 818 ieee80211_send_layer2_update(sta);
819 }
820
821 sta_apply_parameters(local, sta, params);
822
98dd6a57
JB		 823 rcu_read_unlock();
824
4fd6931e
JB		 825 return 0;
826}
827
c5dd9c2b
LCC		 828#ifdef CONFIG_MAC80211_MESH
829static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
830 u8 *dst, u8 *next_hop)
831{
14db74bc 832 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 833 struct mesh_path *mpath;
834 struct sta_info *sta;
835 int err;
836
14db74bc
JB		 837 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
838
d0709a65 839 rcu_read_lock();
abe60632 840 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 841 if (!sta) {
842 rcu_read_unlock();
c5dd9c2b 843 return -ENOENT;
d0709a65 844 }
c5dd9c2b 845
f698d856 846 err = mesh_path_add(dst, sdata);
d0709a65
JB		 847 if (err) {
848 rcu_read_unlock();
c5dd9c2b 849 return err;
d0709a65 850 }
c5dd9c2b 851
f698d856 852 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 853 if (!mpath) {
854 rcu_read_unlock();
c5dd9c2b
LCC		 855 return -ENXIO;
856 }
857 mesh_path_fix_nexthop(mpath, sta);
d0709a65 858
c5dd9c2b
LCC		 859 rcu_read_unlock();
860 return 0;
861}
862
863static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
864 u8 *dst)
865{
f698d856
JBG		 866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
867
c5dd9c2b 868 if (dst)
f698d856 869 return mesh_path_del(dst, sdata);
c5dd9c2b 870
f698d856 871 mesh_path_flush(sdata);
c5dd9c2b
LCC		 872 return 0;
873}
874
875static int ieee80211_change_mpath(struct wiphy *wiphy,
876 struct net_device *dev,
877 u8 *dst, u8 *next_hop)
878{
14db74bc 879 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 880 struct mesh_path *mpath;
881 struct sta_info *sta;
882
14db74bc
JB		 883 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
884
d0709a65
JB		 885 rcu_read_lock();
886
abe60632 887 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 888 if (!sta) {
889 rcu_read_unlock();
c5dd9c2b 890 return -ENOENT;
d0709a65 891 }
c5dd9c2b 892
f698d856 893 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 894 if (!mpath) {
895 rcu_read_unlock();
c5dd9c2b
LCC		 896 return -ENOENT;
897 }
898
899 mesh_path_fix_nexthop(mpath, sta);
d0709a65 900
c5dd9c2b
LCC		 901 rcu_read_unlock();
902 return 0;
903}
904
905static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
906 struct mpath_info *pinfo)
907{
908 if (mpath->next_hop)
17741cdc 909 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 910 else
911 memset(next_hop, 0, ETH_ALEN);
912
f5ea9120
JB		 913 pinfo->generation = mesh_paths_generation;
914
c5dd9c2b 915 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 916 MPATH_INFO_SN |
c5dd9c2b
LCC		 917 MPATH_INFO_METRIC |
918 MPATH_INFO_EXPTIME |
919 MPATH_INFO_DISCOVERY_TIMEOUT |
920 MPATH_INFO_DISCOVERY_RETRIES |
921 MPATH_INFO_FLAGS;
922
923 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 924 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 925 pinfo->metric = mpath->metric;
926 if (time_before(jiffies, mpath->exp_time))
927 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
928 pinfo->discovery_timeout =
929 jiffies_to_msecs(mpath->discovery_timeout);
930 pinfo->discovery_retries = mpath->discovery_retries;
931 pinfo->flags = 0;
932 if (mpath->flags & MESH_PATH_ACTIVE)
933 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
934 if (mpath->flags & MESH_PATH_RESOLVING)
935 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 936 if (mpath->flags & MESH_PATH_SN_VALID)
937 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 938 if (mpath->flags & MESH_PATH_FIXED)
939 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
940 if (mpath->flags & MESH_PATH_RESOLVING)
941 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
942
943 pinfo->flags = mpath->flags;
944}
945
946static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
947 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
948
949{
14db74bc 950 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 951 struct mesh_path *mpath;
952
14db74bc
JB		 953 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
954
c5dd9c2b 955 rcu_read_lock();
f698d856 956 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 957 if (!mpath) {
958 rcu_read_unlock();
959 return -ENOENT;
960 }
961 memcpy(dst, mpath->dst, ETH_ALEN);
962 mpath_set_pinfo(mpath, next_hop, pinfo);
963 rcu_read_unlock();
964 return 0;
965}
966
967static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
968 int idx, u8 *dst, u8 *next_hop,
969 struct mpath_info *pinfo)
970{
14db74bc 971 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 972 struct mesh_path *mpath;
973
14db74bc
JB		 974 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975
c5dd9c2b 976 rcu_read_lock();
f698d856 977 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 978 if (!mpath) {
979 rcu_read_unlock();
980 return -ENOENT;
981 }
982 memcpy(dst, mpath->dst, ETH_ALEN);
983 mpath_set_pinfo(mpath, next_hop, pinfo);
984 rcu_read_unlock();
985 return 0;
986}
93da9cc1 987
988static int ieee80211_get_mesh_params(struct wiphy *wiphy,
989 struct net_device *dev,
990 struct mesh_config *conf)
991{
992 struct ieee80211_sub_if_data *sdata;
993 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
994
93da9cc1 995 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
996 return 0;
997}
998
999static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1000{
1001 return (mask >> (parm-1)) & 0x1;
1002}
1003
1004static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1005 struct net_device *dev,
1006 const struct mesh_config *nconf, u32 mask)
1007{
1008 struct mesh_config *conf;
1009 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1010 struct ieee80211_if_mesh *ifmsh;
1011
93da9cc1 1012 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1013 ifmsh = &sdata->u.mesh;
93da9cc1 1014
93da9cc1 1015 /* Set the config options which we are interested in setting */
1016 conf = &(sdata->u.mesh.mshcfg);
1017 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1018 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1019 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1020 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1021 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1022 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1023 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1024 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1025 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1026 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1027 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1028 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1030 conf->auto_open_plinks = nconf->auto_open_plinks;
1031 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1032 conf->dot11MeshHWMPmaxPREQretries =
1033 nconf->dot11MeshHWMPmaxPREQretries;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1035 conf->path_refresh_time = nconf->path_refresh_time;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1037 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1039 conf->dot11MeshHWMPactivePathTimeout =
1040 nconf->dot11MeshHWMPactivePathTimeout;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1042 conf->dot11MeshHWMPpreqMinInterval =
1043 nconf->dot11MeshHWMPpreqMinInterval;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1045 mask))
1046 conf->dot11MeshHWMPnetDiameterTraversalTime =
1047 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1048 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1049 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1050 ieee80211_mesh_root_setup(ifmsh);
1051 }
93da9cc1 1052 return 0;
1053}
1054
c5dd9c2b
LCC		 1055#endif
1056
9f1ba906
JM		 1057static int ieee80211_change_bss(struct wiphy *wiphy,
1058 struct net_device *dev,
1059 struct bss_parameters *params)
1060{
9f1ba906
JM		 1061 struct ieee80211_sub_if_data *sdata;
1062 u32 changed = 0;
1063
9f1ba906
JM		 1064 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1065
9f1ba906 1066 if (params->use_cts_prot >= 0) {
bda3933a 1067 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1068 changed |= BSS_CHANGED_ERP_CTS_PROT;
1069 }
1070 if (params->use_short_preamble >= 0) {
bda3933a 1071 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1072 params->use_short_preamble;
1073 changed |= BSS_CHANGED_ERP_PREAMBLE;
1074 }
43d35343
FF		 1075
1076 if (!sdata->vif.bss_conf.use_short_slot &&
1077 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1078 sdata->vif.bss_conf.use_short_slot = true;
1079 changed |= BSS_CHANGED_ERP_SLOT;
1080 }
1081
9f1ba906 1082 if (params->use_short_slot_time >= 0) {
bda3933a 1083 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1084 params->use_short_slot_time;
1085 changed |= BSS_CHANGED_ERP_SLOT;
1086 }
1087
90c97a04
JM		 1088 if (params->basic_rates) {
1089 int i, j;
1090 u32 rates = 0;
1091 struct ieee80211_local *local = wiphy_priv(wiphy);
1092 struct ieee80211_supported_band *sband =
1093 wiphy->bands[local->oper_channel->band];
1094
1095 for (i = 0; i < params->basic_rates_len; i++) {
1096 int rate = (params->basic_rates[i] & 0x7f) * 5;
1097 for (j = 0; j < sband->n_bitrates; j++) {
1098 if (sband->bitrates[j].bitrate == rate)
1099 rates |= BIT(j);
1100 }
1101 }
1102 sdata->vif.bss_conf.basic_rates = rates;
1103 changed |= BSS_CHANGED_BASIC_RATES;
1104 }
1105
9f1ba906
JM		 1106 ieee80211_bss_info_change_notify(sdata, changed);
1107
1108 return 0;
1109}
1110
31888487
JM		 1111static int ieee80211_set_txq_params(struct wiphy *wiphy,
1112 struct ieee80211_txq_params *params)
1113{
1114 struct ieee80211_local *local = wiphy_priv(wiphy);
1115 struct ieee80211_tx_queue_params p;
1116
1117 if (!local->ops->conf_tx)
1118 return -EOPNOTSUPP;
1119
1120 memset(&p, 0, sizeof(p));
1121 p.aifs = params->aifs;
1122 p.cw_max = params->cwmax;
1123 p.cw_min = params->cwmin;
1124 p.txop = params->txop;
ab13315a
KV		 1125
1126 /*
1127 * Setting tx queue params disables u-apsd because it's only
1128 * called in master mode.
1129 */
1130 p.uapsd = false;
1131
24487981 1132 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1133 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB		 1134 "parameters for queue %d\n",
1135 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM		 1136 return -EINVAL;
1137 }
1138
1139 return 0;
1140}
1141
72bdcf34
JM		 1142static int ieee80211_set_channel(struct wiphy *wiphy,
1143 struct ieee80211_channel *chan,
094d05dc 1144 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1145{
1146 struct ieee80211_local *local = wiphy_priv(wiphy);
1147
1148 local->oper_channel = chan;
094d05dc 1149 local->oper_channel_type = channel_type;
72bdcf34
JM		 1150
1151 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1152}
1153
665af4fc
BC		 1154#ifdef CONFIG_PM
1155static int ieee80211_suspend(struct wiphy *wiphy)
1156{
1157 return __ieee80211_suspend(wiphy_priv(wiphy));
1158}
1159
1160static int ieee80211_resume(struct wiphy *wiphy)
1161{
1162 return __ieee80211_resume(wiphy_priv(wiphy));
1163}
1164#else
1165#define ieee80211_suspend NULL
1166#define ieee80211_resume NULL
1167#endif
1168
2a519311
JB		 1169static int ieee80211_scan(struct wiphy *wiphy,
1170 struct net_device *dev,
1171 struct cfg80211_scan_request *req)
1172{
1173 struct ieee80211_sub_if_data *sdata;
1174
2a519311
JB		 1175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1176
1177 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1178 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM		 1179 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1180 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB		 1181 return -EOPNOTSUPP;
1182
1183 return ieee80211_request_scan(sdata, req);
1184}
1185
636a5d36
JM		 1186static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1187 struct cfg80211_auth_request *req)
1188{
77fdaa12 1189 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1190}
1191
1192static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1193 struct cfg80211_assoc_request *req)
1194{
77fdaa12 1195 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1196}
1197
1198static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1199 struct cfg80211_deauth_request *req,
1200 void *cookie)
636a5d36 1201{
667503dd
JB		 1202 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1203 req, cookie);
636a5d36
JM		 1204}
1205
1206static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1207 struct cfg80211_disassoc_request *req,
1208 void *cookie)
636a5d36 1209{
667503dd
JB		 1210 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1211 req, cookie);
636a5d36
JM		 1212}
1213
af8cdcd8
JB		 1214static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1215 struct cfg80211_ibss_params *params)
1216{
1217 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1218
1219 return ieee80211_ibss_join(sdata, params);
1220}
1221
1222static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1223{
1224 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1225
1226 return ieee80211_ibss_leave(sdata);
1227}
1228
b9a5f8ca
JM		 1229static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1230{
1231 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1232 int err;
b9a5f8ca 1233
310bc676
LT		 1234 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1235 err = drv_set_coverage_class(local, wiphy->coverage_class);
1236
1237 if (err)
1238 return err;
1239 }
1240
b9a5f8ca 1241 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1242 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1243
24487981
JB		 1244 if (err)
1245 return err;
b9a5f8ca
JM		 1246 }
1247
1248 if (changed & WIPHY_PARAM_RETRY_SHORT)
1249 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1250 if (changed & WIPHY_PARAM_RETRY_LONG)
1251 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1252 if (changed &
1253 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1254 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1255
1256 return 0;
1257}
1258
7643a2c3
JB		 1259static int ieee80211_set_tx_power(struct wiphy *wiphy,
1260 enum tx_power_setting type, int dbm)
1261{
1262 struct ieee80211_local *local = wiphy_priv(wiphy);
1263 struct ieee80211_channel *chan = local->hw.conf.channel;
1264 u32 changes = 0;
7643a2c3
JB		 1265
1266 switch (type) {
1267 case TX_POWER_AUTOMATIC:
1268 local->user_power_level = -1;
1269 break;
1270 case TX_POWER_LIMITED:
1271 if (dbm < 0)
1272 return -EINVAL;
1273 local->user_power_level = dbm;
1274 break;
1275 case TX_POWER_FIXED:
1276 if (dbm < 0)
1277 return -EINVAL;
1278 /* TODO: move to cfg80211 when it knows the channel */
1279 if (dbm > chan->max_power)
1280 return -EINVAL;
1281 local->user_power_level = dbm;
1282 break;
7643a2c3
JB		 1283 }
1284
1285 ieee80211_hw_config(local, changes);
1286
1287 return 0;
1288}
1289
1290static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1291{
1292 struct ieee80211_local *local = wiphy_priv(wiphy);
1293
1294 *dbm = local->hw.conf.power_level;
1295
7643a2c3
JB		 1296 return 0;
1297}
1298
ab737a4f
JB		 1299static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1300 u8 *addr)
1301{
1302 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1303
1304 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1305
1306 return 0;
1307}
1308
1f87f7d3
JB		 1309static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1310{
1311 struct ieee80211_local *local = wiphy_priv(wiphy);
1312
1313 drv_rfkill_poll(local);
1314}
1315
aff89a9b 1316#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1317static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1318{
1319 struct ieee80211_local *local = wiphy_priv(wiphy);
1320
1321 if (!local->ops->testmode_cmd)
1322 return -EOPNOTSUPP;
1323
1324 return local->ops->testmode_cmd(&local->hw, data, len);
1325}
1326#endif
1327
0f78231b
JB		 1328int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1329 enum ieee80211_smps_mode smps_mode)
1330{
1331 const u8 *ap;
1332 enum ieee80211_smps_mode old_req;
1333 int err;
1334
1335 old_req = sdata->u.mgd.req_smps;
1336 sdata->u.mgd.req_smps = smps_mode;
1337
1338 if (old_req == smps_mode &&
1339 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1340 return 0;
1341
1342 /*
1343 * If not associated, or current association is not an HT
1344 * association, there's no need to send an action frame.
1345 */
1346 if (!sdata->u.mgd.associated ||
1347 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1348 mutex_lock(&sdata->local->iflist_mtx);
1349 ieee80211_recalc_smps(sdata->local, sdata);
1350 mutex_unlock(&sdata->local->iflist_mtx);
1351 return 0;
1352 }
1353
0c1ad2ca 1354 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1355
1356 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1357 if (sdata->u.mgd.powersave)
1358 smps_mode = IEEE80211_SMPS_DYNAMIC;
1359 else
1360 smps_mode = IEEE80211_SMPS_OFF;
1361 }
1362
1363 /* send SM PS frame to AP */
1364 err = ieee80211_send_smps_action(sdata, smps_mode,
1365 ap, ap);
1366 if (err)
1367 sdata->u.mgd.req_smps = old_req;
1368
1369 return err;
1370}
1371
bc92afd9
JB		 1372static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1373 bool enabled, int timeout)
1374{
1375 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1376 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1377 struct ieee80211_conf *conf = &local->hw.conf;
1378
e5de30c9
BP		 1379 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1380 return -EOPNOTSUPP;
1381
bc92afd9
JB		 1382 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1383 return -EOPNOTSUPP;
1384
1385 if (enabled == sdata->u.mgd.powersave &&
1386 timeout == conf->dynamic_ps_timeout)
1387 return 0;
1388
1389 sdata->u.mgd.powersave = enabled;
1390 conf->dynamic_ps_timeout = timeout;
1391
0f78231b
JB		 1392 /* no change, but if automatic follow powersave */
1393 mutex_lock(&sdata->u.mgd.mtx);
1394 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1395 mutex_unlock(&sdata->u.mgd.mtx);
1396
bc92afd9
JB		 1397 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1398 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1399
1400 ieee80211_recalc_ps(local, -1);
1401
1402 return 0;
1403}
1404
9930380f
JB		 1405static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1406 struct net_device *dev,
1407 const u8 *addr,
1408 const struct cfg80211_bitrate_mask *mask)
1409{
1410 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1411 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1412 int i;
9930380f 1413
2c7e6bc9
JB		 1414 /*
1415 * This _could_ be supported by providing a hook for
1416 * drivers for this function, but at this point it
1417 * doesn't seem worth bothering.
1418 */
1419 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1420 return -EOPNOTSUPP;
1421
9930380f 1422
37eb0b16
JM		 1423 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1424 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1425
37eb0b16 1426 return 0;
9930380f
JB		 1427}
1428
b8bc4b0a
JB		 1429static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1430 struct net_device *dev,
1431 struct ieee80211_channel *chan,
1432 enum nl80211_channel_type channel_type,
1433 unsigned int duration,
1434 u64 *cookie)
1435{
1436 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1437
1438 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1439 duration, cookie);
1440}
1441
1442static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1443 struct net_device *dev,
1444 u64 cookie)
1445{
1446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1447
1448 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1449}
1450
f0706e82
JB		 1451struct cfg80211_ops mac80211_config_ops = {
1452 .add_virtual_intf = ieee80211_add_iface,
1453 .del_virtual_intf = ieee80211_del_iface,
42613db7 1454 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1455 .add_key = ieee80211_add_key,
1456 .del_key = ieee80211_del_key,
62da92fb 1457 .get_key = ieee80211_get_key,
e8cbb4cb 1458 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1459 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1460 .add_beacon = ieee80211_add_beacon,
1461 .set_beacon = ieee80211_set_beacon,
1462 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1463 .add_station = ieee80211_add_station,
1464 .del_station = ieee80211_del_station,
1465 .change_station = ieee80211_change_station,
7bbdd2d9 1466 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1467 .dump_station = ieee80211_dump_station,
1468#ifdef CONFIG_MAC80211_MESH
1469 .add_mpath = ieee80211_add_mpath,
1470 .del_mpath = ieee80211_del_mpath,
1471 .change_mpath = ieee80211_change_mpath,
1472 .get_mpath = ieee80211_get_mpath,
1473 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1474 .set_mesh_params = ieee80211_set_mesh_params,
1475 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1476#endif
9f1ba906 1477 .change_bss = ieee80211_change_bss,
31888487 1478 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1479 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1480 .suspend = ieee80211_suspend,
1481 .resume = ieee80211_resume,
2a519311 1482 .scan = ieee80211_scan,
636a5d36
JM		 1483 .auth = ieee80211_auth,
1484 .assoc = ieee80211_assoc,
1485 .deauth = ieee80211_deauth,
1486 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1487 .join_ibss = ieee80211_join_ibss,
1488 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1489 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1490 .set_tx_power = ieee80211_set_tx_power,
1491 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1492 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1493 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1494 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1495 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1496 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1497 .remain_on_channel = ieee80211_remain_on_channel,
1498 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
f0706e82 1499};
kernel source for telekom puls (alcatel/mediatek)