projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: clean up RX key checks
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 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>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
f0706e82
JB		 15#include <net/cfg80211.h>
16#include "ieee80211_i.h"
24487981 17#include "driver-ops.h"
e0eb6859 18#include "cfg.h"
2c8dccc7 19#include "rate.h"
c5dd9c2b 20#include "mesh.h"
c5dd9c2b 21
f9e10ce4
JB		 22static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
23 enum nl80211_iftype type,
24 u32 *flags,
25 struct vif_params *params)
f0706e82
JB		 26{
27 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 28 struct net_device *dev;
29 struct ieee80211_sub_if_data *sdata;
30 int err;
f0706e82 31
05c914fe 32 err = ieee80211_if_add(local, name, &dev, type, params);
f9e10ce4
JB		 33 if (err)
34 return ERR_PTR(err);
8cc9a739 35
f9e10ce4
JB		 36 if (type == NL80211_IFTYPE_MONITOR && flags) {
37 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
38 sdata->u.mntr_flags = *flags;
39 }
40
41 return dev;
f0706e82
JB		 42}
43
463d0183 44static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 45{
463d0183 46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 47
75636525 48 return 0;
f0706e82
JB		 49}
50
e36d56b6
JB		 51static int ieee80211_change_iface(struct wiphy *wiphy,
52 struct net_device *dev,
2ec600d6
LCC		 53 enum nl80211_iftype type, u32 *flags,
54 struct vif_params *params)
42613db7 55{
9607e6b6 56 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 57 int ret;
42613db7 58
05c914fe 59 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 60 if (ret)
61 return ret;
42613db7 62
9bc383de
JB		 63 if (type == NL80211_IFTYPE_AP_VLAN &&
64 params && params->use_4addr == 0)
65 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
66 else if (type == NL80211_IFTYPE_STATION &&
67 params && params->use_4addr >= 0)
68 sdata->u.mgd.use_4addr = params->use_4addr;
69
85416a4f
CL		 70 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
71 struct ieee80211_local *local = sdata->local;
72
73 if (ieee80211_sdata_running(sdata)) {
74 /*
75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
76 * changed while the interface is up.
77 * Else we would need to add a lot of cruft
78 * to update everything:
79 * cooked_mntrs, monitor and all fif_* counters
80 * reconfigure hardware
81 */
82 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
83 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
84 return -EBUSY;
85
86 ieee80211_adjust_monitor_flags(sdata, -1);
87 sdata->u.mntr_flags = *flags;
88 ieee80211_adjust_monitor_flags(sdata, 1);
89
90 ieee80211_configure_filter(local);
91 } else {
92 /*
93 * Because the interface is down, ieee80211_do_stop
94 * and ieee80211_do_open take care of "everything"
95 * mentioned in the comment above.
96 */
97 sdata->u.mntr_flags = *flags;
98 }
99 }
f7917af9 100
42613db7
JB		 101 return 0;
102}
103
e8cbb4cb 104static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 105 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 106 struct key_params *params)
107{
26a58456 108 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 109 struct sta_info *sta = NULL;
db4d1169 110 struct ieee80211_key *key;
3b96766f 111 int err;
e8cbb4cb 112
26a58456 113 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 114 return -ENETDOWN;
115
97359d12 116 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 117 switch (params->cipher) {
118 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 119 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 120 case WLAN_CIPHER_SUITE_WEP104:
121 if (IS_ERR(sdata->local->wep_tx_tfm))
122 return -EINVAL;
3cfcf6ac 123 break;
e8cbb4cb 124 default:
97359d12 125 break;
e8cbb4cb
JB		 126 }
127
97359d12
JB		 128 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
129 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 130 if (IS_ERR(key))
131 return PTR_ERR(key);
db4d1169 132
e31b8213
JB		 133 if (pairwise)
134 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
135
ad0e2b5a 136 mutex_lock(&sdata->local->sta_mtx);
3b96766f 137
e8cbb4cb 138 if (mac_addr) {
0e5ded5a 139 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 140 if (!sta) {
32162a4d 141 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 142 err = -ENOENT;
143 goto out_unlock;
db4d1169 144 }
e8cbb4cb
JB		 145 }
146
3ffc2a90
JB		 147 err = ieee80211_key_link(key, sdata, sta);
148 if (err)
149 ieee80211_key_free(sdata->local, key);
db4d1169 150
3b96766f 151 out_unlock:
ad0e2b5a 152 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 153
154 return err;
e8cbb4cb
JB		 155}
156
157static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 158 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb
JB		 159{
160 struct ieee80211_sub_if_data *sdata;
161 struct sta_info *sta;
162 int ret;
163
164 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
165
ad0e2b5a 166 mutex_lock(&sdata->local->sta_mtx);
3b96766f 167
e8cbb4cb 168 if (mac_addr) {
3b96766f
JB		 169 ret = -ENOENT;
170
0e5ded5a 171 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 172 if (!sta)
3b96766f 173 goto out_unlock;
e8cbb4cb 174
e31b8213
JB		 175 if (pairwise) {
176 if (sta->ptk) {
177 ieee80211_key_free(sdata->local, sta->ptk);
178 ret = 0;
179 }
180 } else {
181 if (sta->gtk[key_idx]) {
182 ieee80211_key_free(sdata->local,
183 sta->gtk[key_idx]);
184 ret = 0;
185 }
3b96766f 186 }
e8cbb4cb 187
3b96766f 188 goto out_unlock;
e8cbb4cb
JB		 189 }
190
3b96766f
JB		 191 if (!sdata->keys[key_idx]) {
192 ret = -ENOENT;
193 goto out_unlock;
194 }
e8cbb4cb 195
32162a4d 196 ieee80211_key_free(sdata->local, sdata->keys[key_idx]);
db4d1169 197 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 198
3b96766f
JB		 199 ret = 0;
200 out_unlock:
ad0e2b5a 201 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 202
203 return ret;
e8cbb4cb
JB		 204}
205
62da92fb 206static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 207 u8 key_idx, bool pairwise, const u8 *mac_addr,
208 void *cookie,
62da92fb
JB		 209 void (*callback)(void *cookie,
210 struct key_params *params))
211{
14db74bc 212 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 213 struct sta_info *sta = NULL;
214 u8 seq[6] = {0};
215 struct key_params params;
e31b8213 216 struct ieee80211_key *key = NULL;
62da92fb
JB		 217 u32 iv32;
218 u16 iv16;
219 int err = -ENOENT;
220
14db74bc
JB		 221 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
222
3b96766f
JB		 223 rcu_read_lock();
224
62da92fb 225 if (mac_addr) {
0e5ded5a 226 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 227 if (!sta)
228 goto out;
229
e31b8213
JB		 230 if (pairwise)
231 key = sta->ptk;
232 else if (key_idx < NUM_DEFAULT_KEYS)
233 key = sta->gtk[key_idx];
62da92fb
JB		 234 } else
235 key = sdata->keys[key_idx];
236
237 if (!key)
238 goto out;
239
240 memset(&params, 0, sizeof(params));
241
97359d12 242 params.cipher = key->conf.cipher;
62da92fb 243
97359d12
JB		 244 switch (key->conf.cipher) {
245 case WLAN_CIPHER_SUITE_TKIP:
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;
97359d12 263 case WLAN_CIPHER_SUITE_CCMP:
62da92fb
JB		 264 seq[0] = key->u.ccmp.tx_pn[5];
265 seq[1] = key->u.ccmp.tx_pn[4];
266 seq[2] = key->u.ccmp.tx_pn[3];
267 seq[3] = key->u.ccmp.tx_pn[2];
268 seq[4] = key->u.ccmp.tx_pn[1];
269 seq[5] = key->u.ccmp.tx_pn[0];
270 params.seq = seq;
271 params.seq_len = 6;
272 break;
97359d12 273 case WLAN_CIPHER_SUITE_AES_CMAC:
3cfcf6ac
JM		 274 seq[0] = key->u.aes_cmac.tx_pn[5];
275 seq[1] = key->u.aes_cmac.tx_pn[4];
276 seq[2] = key->u.aes_cmac.tx_pn[3];
277 seq[3] = key->u.aes_cmac.tx_pn[2];
278 seq[4] = key->u.aes_cmac.tx_pn[1];
279 seq[5] = key->u.aes_cmac.tx_pn[0];
280 params.seq = seq;
281 params.seq_len = 6;
282 break;
62da92fb
JB		 283 }
284
285 params.key = key->conf.key;
286 params.key_len = key->conf.keylen;
287
288 callback(cookie, &params);
289 err = 0;
290
291 out:
3b96766f 292 rcu_read_unlock();
62da92fb
JB		 293 return err;
294}
295
e8cbb4cb
JB		 296static int ieee80211_config_default_key(struct wiphy *wiphy,
297 struct net_device *dev,
298 u8 key_idx)
299{
ad0e2b5a 300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 301
e8cbb4cb
JB		 302 ieee80211_set_default_key(sdata, key_idx);
303
304 return 0;
305}
306
3cfcf6ac
JM		 307static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
308 struct net_device *dev,
309 u8 key_idx)
310{
66c52421 311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 312
3cfcf6ac
JM		 313 ieee80211_set_default_mgmt_key(sdata, key_idx);
314
3cfcf6ac
JM		 315 return 0;
316}
317
c5dd9c2b
LCC		 318static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
319{
d0709a65 320 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 321
f5ea9120
JB		 322 sinfo->generation = sdata->local->sta_generation;
323
c5dd9c2b
LCC		 324 sinfo->filled = STATION_INFO_INACTIVE_TIME |
325 STATION_INFO_RX_BYTES |
420e7fab 326 STATION_INFO_TX_BYTES |
98c8a60a
JM		 327 STATION_INFO_RX_PACKETS |
328 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 329 STATION_INFO_TX_RETRIES |
330 STATION_INFO_TX_FAILED |
5a5c731a
BG		 331 STATION_INFO_TX_BITRATE |
332 STATION_INFO_RX_DROP_MISC;
c5dd9c2b
LCC		 333
334 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
335 sinfo->rx_bytes = sta->rx_bytes;
336 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 337 sinfo->rx_packets = sta->rx_packets;
338 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 339 sinfo->tx_retries = sta->tx_retry_count;
340 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 341 sinfo->rx_dropped_misc = sta->rx_dropped;
c5dd9c2b 342
19deffbe
JL		 343 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
344 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 345 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 346 sinfo->signal = (s8)sta->last_signal;
541a45a1 347 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 348 }
349
350 sinfo->txrate.flags = 0;
351 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
352 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
353 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
354 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
355 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
356 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
357
358 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
359 struct ieee80211_supported_band *sband;
360 sband = sta->local->hw.wiphy->bands[
361 sta->local->hw.conf.channel->band];
362 sinfo->txrate.legacy =
363 sband->bitrates[sta->last_tx_rate.idx].bitrate;
364 } else
365 sinfo->txrate.mcs = sta->last_tx_rate.idx;
366
902acc78 367 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 368#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 369 sinfo->filled |= STATION_INFO_LLID |
370 STATION_INFO_PLID |
371 STATION_INFO_PLINK_STATE;
372
373 sinfo->llid = le16_to_cpu(sta->llid);
374 sinfo->plid = le16_to_cpu(sta->plid);
375 sinfo->plink_state = sta->plink_state;
c5dd9c2b 376#endif
902acc78 377 }
c5dd9c2b
LCC		 378}
379
380
381static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
382 int idx, u8 *mac, struct station_info *sinfo)
383{
3b53fde8 384 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 385 struct sta_info *sta;
d0709a65
JB		 386 int ret = -ENOENT;
387
388 rcu_read_lock();
c5dd9c2b 389
3b53fde8 390 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 391 if (sta) {
392 ret = 0;
17741cdc 393 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 394 sta_set_sinfo(sta, sinfo);
395 }
c5dd9c2b 396
d0709a65 397 rcu_read_unlock();
c5dd9c2b 398
d0709a65 399 return ret;
c5dd9c2b
LCC		 400}
401
1289723e
HS		 402static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
403 int idx, struct survey_info *survey)
404{
405 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
406
1289723e
HS		 407 return drv_get_survey(local, idx, survey);
408}
409
7bbdd2d9 410static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 411 u8 *mac, struct station_info *sinfo)
7bbdd2d9 412{
abe60632 413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 414 struct sta_info *sta;
d0709a65 415 int ret = -ENOENT;
7bbdd2d9 416
d0709a65 417 rcu_read_lock();
7bbdd2d9 418
0e5ded5a 419 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 420 if (sta) {
421 ret = 0;
422 sta_set_sinfo(sta, sinfo);
423 }
424
425 rcu_read_unlock();
426
427 return ret;
7bbdd2d9
JB		 428}
429
5dfdaf58
JB		 430/*
431 * This handles both adding a beacon and setting new beacon info
432 */
433static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
434 struct beacon_parameters *params)
435{
436 struct beacon_data *new, *old;
437 int new_head_len, new_tail_len;
438 int size;
439 int err = -EINVAL;
440
441 old = sdata->u.ap.beacon;
442
443 /* head must not be zero-length */
444 if (params->head && !params->head_len)
445 return -EINVAL;
446
447 /*
448 * This is a kludge. beacon interval should really be part
449 * of the beacon information.
450 */
57c4d7b4
JB		 451 if (params->interval &&
452 (sdata->vif.bss_conf.beacon_int != params->interval)) {
453 sdata->vif.bss_conf.beacon_int = params->interval;
454 ieee80211_bss_info_change_notify(sdata,
455 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 456 }
457
458 /* Need to have a beacon head if we don't have one yet */
459 if (!params->head && !old)
460 return err;
461
462 /* sorry, no way to start beaconing without dtim period */
463 if (!params->dtim_period && !old)
464 return err;
465
466 /* new or old head? */
467 if (params->head)
468 new_head_len = params->head_len;
469 else
470 new_head_len = old->head_len;
471
472 /* new or old tail? */
473 if (params->tail || !old)
474 /* params->tail_len will be zero for !params->tail */
475 new_tail_len = params->tail_len;
476 else
477 new_tail_len = old->tail_len;
478
479 size = sizeof(*new) + new_head_len + new_tail_len;
480
481 new = kzalloc(size, GFP_KERNEL);
482 if (!new)
483 return -ENOMEM;
484
485 /* start filling the new info now */
486
487 /* new or old dtim period? */
488 if (params->dtim_period)
489 new->dtim_period = params->dtim_period;
490 else
491 new->dtim_period = old->dtim_period;
492
493 /*
494 * pointers go into the block we allocated,
495 * memory is | beacon_data | head | tail |
496 */
497 new->head = ((u8 *) new) + sizeof(*new);
498 new->tail = new->head + new_head_len;
499 new->head_len = new_head_len;
500 new->tail_len = new_tail_len;
501
502 /* copy in head */
503 if (params->head)
504 memcpy(new->head, params->head, new_head_len);
505 else
506 memcpy(new->head, old->head, new_head_len);
507
508 /* copy in optional tail */
509 if (params->tail)
510 memcpy(new->tail, params->tail, new_tail_len);
511 else
512 if (old)
513 memcpy(new->tail, old->tail, new_tail_len);
514
19885c4f
JB		 515 sdata->vif.bss_conf.dtim_period = new->dtim_period;
516
5dfdaf58
JB		 517 rcu_assign_pointer(sdata->u.ap.beacon, new);
518
519 synchronize_rcu();
520
521 kfree(old);
522
2d0ddec5
JB		 523 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
524 BSS_CHANGED_BEACON);
525 return 0;
5dfdaf58
JB		 526}
527
528static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
529 struct beacon_parameters *params)
530{
14db74bc 531 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 532 struct beacon_data *old;
533
14db74bc
JB		 534 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
535
5dfdaf58
JB		 536 old = sdata->u.ap.beacon;
537
538 if (old)
539 return -EALREADY;
540
541 return ieee80211_config_beacon(sdata, params);
542}
543
544static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
545 struct beacon_parameters *params)
546{
14db74bc 547 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 548 struct beacon_data *old;
549
14db74bc
JB		 550 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
551
5dfdaf58
JB		 552 old = sdata->u.ap.beacon;
553
554 if (!old)
555 return -ENOENT;
556
557 return ieee80211_config_beacon(sdata, params);
558}
559
560static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
561{
14db74bc 562 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 563 struct beacon_data *old;
564
14db74bc
JB		 565 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
566
5dfdaf58
JB		 567 old = sdata->u.ap.beacon;
568
569 if (!old)
570 return -ENOENT;
571
572 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
573 synchronize_rcu();
574 kfree(old);
575
2d0ddec5
JB		 576 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
577 return 0;
5dfdaf58
JB		 578}
579
4fd6931e
JB		 580/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
581struct iapp_layer2_update {
582 u8 da[ETH_ALEN]; /* broadcast */
583 u8 sa[ETH_ALEN]; /* STA addr */
584 __be16 len; /* 6 */
585 u8 dsap; /* 0 */
586 u8 ssap; /* 0 */
587 u8 control;
588 u8 xid_info[3];
bc10502d 589} __packed;
4fd6931e
JB		 590
591static void ieee80211_send_layer2_update(struct sta_info *sta)
592{
593 struct iapp_layer2_update *msg;
594 struct sk_buff *skb;
595
596 /* Send Level 2 Update Frame to update forwarding tables in layer 2
597 * bridge devices */
598
599 skb = dev_alloc_skb(sizeof(*msg));
600 if (!skb)
601 return;
602 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
603
604 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
605 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
606
607 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 608 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 609 msg->len = htons(6);
610 msg->dsap = 0;
611 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
612 msg->control = 0xaf; /* XID response lsb.1111F101.
613 * F=0 (no poll command; unsolicited frame) */
614 msg->xid_info[0] = 0x81; /* XID format identifier */
615 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
616 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
617
d0709a65
JB		 618 skb->dev = sta->sdata->dev;
619 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 620 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 621 netif_rx_ni(skb);
4fd6931e
JB		 622}
623
624static void sta_apply_parameters(struct ieee80211_local *local,
625 struct sta_info *sta,
626 struct station_parameters *params)
627{
f5521b13 628 unsigned long flags;
4fd6931e
JB		 629 u32 rates;
630 int i, j;
8318d78a 631 struct ieee80211_supported_band *sband;
d0709a65 632 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 633 u32 mask, set;
4fd6931e 634
ae5eb026
JB		 635 sband = local->hw.wiphy->bands[local->oper_channel->band];
636
f5521b13 637 spin_lock_irqsave(&sta->flaglock, flags);
eccb8e8f
JB		 638 mask = params->sta_flags_mask;
639 set = params->sta_flags_set;
73651ee6 640
eccb8e8f 641 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 642 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 643 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 644 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 645 }
4fd6931e 646
eccb8e8f 647 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 648 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 649 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 650 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 651 }
4fd6931e 652
eccb8e8f 653 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 654 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 655 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 656 sta->flags |= WLAN_STA_WME;
eccb8e8f 657 }
5394af4d 658
eccb8e8f 659 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 660 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 661 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 662 sta->flags |= WLAN_STA_MFP;
4fd6931e 663 }
f5521b13 664 spin_unlock_irqrestore(&sta->flaglock, flags);
4fd6931e 665
51b50fbe
JB		 666 /*
667 * cfg80211 validates this (1-2007) and allows setting the AID
668 * only when creating a new station entry
669 */
670 if (params->aid)
671 sta->sta.aid = params->aid;
672
73651ee6
JB		 673 /*
674 * FIXME: updating the following information is racy when this
675 * function is called from ieee80211_change_station().
676 * However, all this information should be static so
677 * maybe we should just reject attemps to change it.
678 */
679
4fd6931e
JB		 680 if (params->listen_interval >= 0)
681 sta->listen_interval = params->listen_interval;
682
683 if (params->supported_rates) {
684 rates = 0;
8318d78a 685
4fd6931e
JB		 686 for (i = 0; i < params->supported_rates_len; i++) {
687 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 688 for (j = 0; j < sband->n_bitrates; j++) {
689 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 690 rates |= BIT(j);
691 }
692 }
323ce79a 693 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 694 }
c5dd9c2b 695
d9fe60de 696 if (params->ht_capa)
ae5eb026
JB		 697 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
698 params->ht_capa,
d9fe60de 699 &sta->sta.ht_cap);
36aedc90 700
902acc78 701 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 702 switch (params->plink_action) {
703 case PLINK_ACTION_OPEN:
704 mesh_plink_open(sta);
705 break;
706 case PLINK_ACTION_BLOCK:
707 mesh_plink_block(sta);
708 break;
709 }
902acc78 710 }
4fd6931e
JB		 711}
712
713static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
714 u8 *mac, struct station_parameters *params)
715{
14db74bc 716 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 717 struct sta_info *sta;
718 struct ieee80211_sub_if_data *sdata;
73651ee6 719 int err;
b8d476c8 720 int layer2_update;
4fd6931e 721
4fd6931e
JB		 722 if (params->vlan) {
723 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
724
05c914fe
JB		 725 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
726 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 727 return -EINVAL;
728 } else
729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
730
47846c9b 731 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 732 return -EINVAL;
733
734 if (is_multicast_ether_addr(mac))
735 return -EINVAL;
736
737 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 738 if (!sta)
739 return -ENOMEM;
4fd6931e
JB		 740
741 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
742
743 sta_apply_parameters(local, sta, params);
744
4b7679a5 745 rate_control_rate_init(sta);
4fd6931e 746
b8d476c8
JM		 747 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
748 sdata->vif.type == NL80211_IFTYPE_AP;
749
34e89507 750 err = sta_info_insert_rcu(sta);
73651ee6 751 if (err) {
73651ee6
JB		 752 rcu_read_unlock();
753 return err;
754 }
755
b8d476c8 756 if (layer2_update)
73651ee6
JB		 757 ieee80211_send_layer2_update(sta);
758
759 rcu_read_unlock();
760
4fd6931e
JB		 761 return 0;
762}
763
764static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
765 u8 *mac)
766{
14db74bc
JB		 767 struct ieee80211_local *local = wiphy_priv(wiphy);
768 struct ieee80211_sub_if_data *sdata;
4fd6931e 769
14db74bc
JB		 770 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
771
34e89507
JB		 772 if (mac)
773 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 774
34e89507 775 sta_info_flush(local, sdata);
4fd6931e
JB		 776 return 0;
777}
778
779static int ieee80211_change_station(struct wiphy *wiphy,
780 struct net_device *dev,
781 u8 *mac,
782 struct station_parameters *params)
783{
abe60632 784 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 785 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 786 struct sta_info *sta;
787 struct ieee80211_sub_if_data *vlansdata;
788
98dd6a57
JB		 789 rcu_read_lock();
790
0e5ded5a 791 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 792 if (!sta) {
793 rcu_read_unlock();
4fd6931e 794 return -ENOENT;
98dd6a57 795 }
4fd6931e 796
d0709a65 797 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 798 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
799
05c914fe
JB		 800 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
801 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 802 rcu_read_unlock();
4fd6931e 803 return -EINVAL;
98dd6a57 804 }
4fd6931e 805
9bc383de 806 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 807 if (vlansdata->u.vlan.sta) {
808 rcu_read_unlock();
f14543ee 809 return -EBUSY;
3305443c 810 }
f14543ee
FF		 811
812 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
813 }
814
14db74bc 815 sta->sdata = vlansdata;
4fd6931e
JB		 816 ieee80211_send_layer2_update(sta);
817 }
818
819 sta_apply_parameters(local, sta, params);
820
98dd6a57
JB		 821 rcu_read_unlock();
822
4fd6931e
JB		 823 return 0;
824}
825
c5dd9c2b
LCC		 826#ifdef CONFIG_MAC80211_MESH
827static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
828 u8 *dst, u8 *next_hop)
829{
14db74bc 830 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 831 struct mesh_path *mpath;
832 struct sta_info *sta;
833 int err;
834
14db74bc
JB		 835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
836
d0709a65 837 rcu_read_lock();
abe60632 838 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 839 if (!sta) {
840 rcu_read_unlock();
c5dd9c2b 841 return -ENOENT;
d0709a65 842 }
c5dd9c2b 843
f698d856 844 err = mesh_path_add(dst, sdata);
d0709a65
JB		 845 if (err) {
846 rcu_read_unlock();
c5dd9c2b 847 return err;
d0709a65 848 }
c5dd9c2b 849
f698d856 850 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 851 if (!mpath) {
852 rcu_read_unlock();
c5dd9c2b
LCC		 853 return -ENXIO;
854 }
855 mesh_path_fix_nexthop(mpath, sta);
d0709a65 856
c5dd9c2b
LCC		 857 rcu_read_unlock();
858 return 0;
859}
860
861static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
862 u8 *dst)
863{
f698d856
JBG		 864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
865
c5dd9c2b 866 if (dst)
f698d856 867 return mesh_path_del(dst, sdata);
c5dd9c2b 868
f698d856 869 mesh_path_flush(sdata);
c5dd9c2b
LCC		 870 return 0;
871}
872
873static int ieee80211_change_mpath(struct wiphy *wiphy,
874 struct net_device *dev,
875 u8 *dst, u8 *next_hop)
876{
14db74bc 877 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 878 struct mesh_path *mpath;
879 struct sta_info *sta;
880
14db74bc
JB		 881 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
882
d0709a65
JB		 883 rcu_read_lock();
884
abe60632 885 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 886 if (!sta) {
887 rcu_read_unlock();
c5dd9c2b 888 return -ENOENT;
d0709a65 889 }
c5dd9c2b 890
f698d856 891 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 892 if (!mpath) {
893 rcu_read_unlock();
c5dd9c2b
LCC		 894 return -ENOENT;
895 }
896
897 mesh_path_fix_nexthop(mpath, sta);
d0709a65 898
c5dd9c2b
LCC		 899 rcu_read_unlock();
900 return 0;
901}
902
903static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
904 struct mpath_info *pinfo)
905{
906 if (mpath->next_hop)
17741cdc 907 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 908 else
909 memset(next_hop, 0, ETH_ALEN);
910
f5ea9120
JB		 911 pinfo->generation = mesh_paths_generation;
912
c5dd9c2b 913 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 914 MPATH_INFO_SN |
c5dd9c2b
LCC		 915 MPATH_INFO_METRIC |
916 MPATH_INFO_EXPTIME |
917 MPATH_INFO_DISCOVERY_TIMEOUT |
918 MPATH_INFO_DISCOVERY_RETRIES |
919 MPATH_INFO_FLAGS;
920
921 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 922 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 923 pinfo->metric = mpath->metric;
924 if (time_before(jiffies, mpath->exp_time))
925 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
926 pinfo->discovery_timeout =
927 jiffies_to_msecs(mpath->discovery_timeout);
928 pinfo->discovery_retries = mpath->discovery_retries;
929 pinfo->flags = 0;
930 if (mpath->flags & MESH_PATH_ACTIVE)
931 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
932 if (mpath->flags & MESH_PATH_RESOLVING)
933 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 934 if (mpath->flags & MESH_PATH_SN_VALID)
935 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 936 if (mpath->flags & MESH_PATH_FIXED)
937 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
938 if (mpath->flags & MESH_PATH_RESOLVING)
939 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
940
941 pinfo->flags = mpath->flags;
942}
943
944static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
945 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
946
947{
14db74bc 948 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 949 struct mesh_path *mpath;
950
14db74bc
JB		 951 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
952
c5dd9c2b 953 rcu_read_lock();
f698d856 954 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 955 if (!mpath) {
956 rcu_read_unlock();
957 return -ENOENT;
958 }
959 memcpy(dst, mpath->dst, ETH_ALEN);
960 mpath_set_pinfo(mpath, next_hop, pinfo);
961 rcu_read_unlock();
962 return 0;
963}
964
965static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
966 int idx, u8 *dst, u8 *next_hop,
967 struct mpath_info *pinfo)
968{
14db74bc 969 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 970 struct mesh_path *mpath;
971
14db74bc
JB		 972 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
973
c5dd9c2b 974 rcu_read_lock();
f698d856 975 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 976 if (!mpath) {
977 rcu_read_unlock();
978 return -ENOENT;
979 }
980 memcpy(dst, mpath->dst, ETH_ALEN);
981 mpath_set_pinfo(mpath, next_hop, pinfo);
982 rcu_read_unlock();
983 return 0;
984}
93da9cc1 985
986static int ieee80211_get_mesh_params(struct wiphy *wiphy,
987 struct net_device *dev,
988 struct mesh_config *conf)
989{
990 struct ieee80211_sub_if_data *sdata;
991 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
992
93da9cc1 993 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
994 return 0;
995}
996
997static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
998{
999 return (mask >> (parm-1)) & 0x1;
1000}
1001
29cbe68c
JB		 1002static int ieee80211_update_mesh_params(struct wiphy *wiphy,
1003 struct net_device *dev, u32 mask,
1004 const struct mesh_config *nconf)
93da9cc1 1005{
1006 struct mesh_config *conf;
1007 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1008 struct ieee80211_if_mesh *ifmsh;
1009
93da9cc1 1010 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1011 ifmsh = &sdata->u.mesh;
93da9cc1 1012
93da9cc1 1013 /* Set the config options which we are interested in setting */
1014 conf = &(sdata->u.mesh.mshcfg);
1015 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1016 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1017 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1018 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1019 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1020 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1021 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1022 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1023 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1024 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1025 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1026 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1027 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1028 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 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
29cbe68c
JB		 1055static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1056 const struct mesh_config *conf,
1057 const struct mesh_setup *setup)
1058{
1059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1060 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1061
1062 memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
1063 ifmsh->mesh_id_len = setup->mesh_id_len;
1064 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1065
1066 ieee80211_start_mesh(sdata);
1067
1068 return 0;
1069}
1070
1071static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1072{
1073 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1074
1075 ieee80211_stop_mesh(sdata);
1076
1077 return 0;
1078}
c5dd9c2b
LCC		 1079#endif
1080
9f1ba906
JM		 1081static int ieee80211_change_bss(struct wiphy *wiphy,
1082 struct net_device *dev,
1083 struct bss_parameters *params)
1084{
9f1ba906
JM		 1085 struct ieee80211_sub_if_data *sdata;
1086 u32 changed = 0;
1087
9f1ba906
JM		 1088 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1089
9f1ba906 1090 if (params->use_cts_prot >= 0) {
bda3933a 1091 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1092 changed |= BSS_CHANGED_ERP_CTS_PROT;
1093 }
1094 if (params->use_short_preamble >= 0) {
bda3933a 1095 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1096 params->use_short_preamble;
1097 changed |= BSS_CHANGED_ERP_PREAMBLE;
1098 }
43d35343
FF		 1099
1100 if (!sdata->vif.bss_conf.use_short_slot &&
1101 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1102 sdata->vif.bss_conf.use_short_slot = true;
1103 changed |= BSS_CHANGED_ERP_SLOT;
1104 }
1105
9f1ba906 1106 if (params->use_short_slot_time >= 0) {
bda3933a 1107 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1108 params->use_short_slot_time;
1109 changed |= BSS_CHANGED_ERP_SLOT;
1110 }
1111
90c97a04
JM		 1112 if (params->basic_rates) {
1113 int i, j;
1114 u32 rates = 0;
1115 struct ieee80211_local *local = wiphy_priv(wiphy);
1116 struct ieee80211_supported_band *sband =
1117 wiphy->bands[local->oper_channel->band];
1118
1119 for (i = 0; i < params->basic_rates_len; i++) {
1120 int rate = (params->basic_rates[i] & 0x7f) * 5;
1121 for (j = 0; j < sband->n_bitrates; j++) {
1122 if (sband->bitrates[j].bitrate == rate)
1123 rates |= BIT(j);
1124 }
1125 }
1126 sdata->vif.bss_conf.basic_rates = rates;
1127 changed |= BSS_CHANGED_BASIC_RATES;
1128 }
1129
7b7b5e56
FF		 1130 if (params->ap_isolate >= 0) {
1131 if (params->ap_isolate)
1132 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1133 else
1134 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1135 }
1136
80d7e403
HS		 1137 if (params->ht_opmode >= 0) {
1138 sdata->vif.bss_conf.ht_operation_mode =
1139 (u16) params->ht_opmode;
1140 changed |= BSS_CHANGED_HT;
1141 }
1142
9f1ba906
JM		 1143 ieee80211_bss_info_change_notify(sdata, changed);
1144
1145 return 0;
1146}
1147
31888487
JM		 1148static int ieee80211_set_txq_params(struct wiphy *wiphy,
1149 struct ieee80211_txq_params *params)
1150{
1151 struct ieee80211_local *local = wiphy_priv(wiphy);
1152 struct ieee80211_tx_queue_params p;
1153
1154 if (!local->ops->conf_tx)
1155 return -EOPNOTSUPP;
1156
1157 memset(&p, 0, sizeof(p));
1158 p.aifs = params->aifs;
1159 p.cw_max = params->cwmax;
1160 p.cw_min = params->cwmin;
1161 p.txop = params->txop;
ab13315a
KV		 1162
1163 /*
1164 * Setting tx queue params disables u-apsd because it's only
1165 * called in master mode.
1166 */
1167 p.uapsd = false;
1168
24487981 1169 if (drv_conf_tx(local, params->queue, &p)) {
0fb9a9ec
JP		 1170 wiphy_debug(local->hw.wiphy,
1171 "failed to set TX queue parameters for queue %d\n",
1172 params->queue);
31888487
JM		 1173 return -EINVAL;
1174 }
1175
1176 return 0;
1177}
1178
72bdcf34 1179static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1180 struct net_device *netdev,
72bdcf34 1181 struct ieee80211_channel *chan,
094d05dc 1182 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1183{
1184 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b
JB		 1185 struct ieee80211_sub_if_data *sdata = NULL;
1186
1187 if (netdev)
1188 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1189
f444de05
JB		 1190 switch (ieee80211_get_channel_mode(local, NULL)) {
1191 case CHAN_MODE_HOPPING:
1192 return -EBUSY;
1193 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1194 if (local->oper_channel != chan)
1195 return -EBUSY;
1196 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1197 return 0;
0aaffa9b 1198 break;
f444de05
JB		 1199 case CHAN_MODE_UNDEFINED:
1200 break;
1201 }
72bdcf34
JM		 1202
1203 local->oper_channel = chan;
72bdcf34 1204
0aaffa9b
JB		 1205 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1206 return -EBUSY;
1207
1208 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1209 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1210 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1211
1212 return 0;
72bdcf34
JM		 1213}
1214
665af4fc
BC		 1215#ifdef CONFIG_PM
1216static int ieee80211_suspend(struct wiphy *wiphy)
1217{
1218 return __ieee80211_suspend(wiphy_priv(wiphy));
1219}
1220
1221static int ieee80211_resume(struct wiphy *wiphy)
1222{
1223 return __ieee80211_resume(wiphy_priv(wiphy));
1224}
1225#else
1226#define ieee80211_suspend NULL
1227#define ieee80211_resume NULL
1228#endif
1229
2a519311
JB		 1230static int ieee80211_scan(struct wiphy *wiphy,
1231 struct net_device *dev,
1232 struct cfg80211_scan_request *req)
1233{
2ca27bcf 1234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1235
2ca27bcf
JB		 1236 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1237 case NL80211_IFTYPE_STATION:
1238 case NL80211_IFTYPE_ADHOC:
1239 case NL80211_IFTYPE_MESH_POINT:
1240 case NL80211_IFTYPE_P2P_CLIENT:
1241 break;
1242 case NL80211_IFTYPE_P2P_GO:
1243 if (sdata->local->ops->hw_scan)
1244 break;
1245 /* FIXME: implement NoA while scanning in software */
2a519311 1246 return -EOPNOTSUPP;
2ca27bcf
JB		 1247 case NL80211_IFTYPE_AP:
1248 if (sdata->u.ap.beacon)
1249 return -EOPNOTSUPP;
1250 break;
1251 default:
1252 return -EOPNOTSUPP;
1253 }
2a519311
JB		 1254
1255 return ieee80211_request_scan(sdata, req);
1256}
1257
636a5d36
JM		 1258static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1259 struct cfg80211_auth_request *req)
1260{
77fdaa12 1261 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1262}
1263
1264static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1265 struct cfg80211_assoc_request *req)
1266{
f444de05
JB		 1267 struct ieee80211_local *local = wiphy_priv(wiphy);
1268 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1269
1270 switch (ieee80211_get_channel_mode(local, sdata)) {
1271 case CHAN_MODE_HOPPING:
1272 return -EBUSY;
1273 case CHAN_MODE_FIXED:
1274 if (local->oper_channel == req->bss->channel)
1275 break;
1276 return -EBUSY;
1277 case CHAN_MODE_UNDEFINED:
1278 break;
1279 }
1280
77fdaa12 1281 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1282}
1283
1284static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1285 struct cfg80211_deauth_request *req,
1286 void *cookie)
636a5d36 1287{
667503dd
JB		 1288 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1289 req, cookie);
636a5d36
JM		 1290}
1291
1292static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1293 struct cfg80211_disassoc_request *req,
1294 void *cookie)
636a5d36 1295{
667503dd
JB		 1296 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1297 req, cookie);
636a5d36
JM		 1298}
1299
af8cdcd8
JB		 1300static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1301 struct cfg80211_ibss_params *params)
1302{
f444de05 1303 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305
f444de05
JB		 1306 switch (ieee80211_get_channel_mode(local, sdata)) {
1307 case CHAN_MODE_HOPPING:
1308 return -EBUSY;
1309 case CHAN_MODE_FIXED:
1310 if (!params->channel_fixed)
1311 return -EBUSY;
1312 if (local->oper_channel == params->channel)
1313 break;
1314 return -EBUSY;
1315 case CHAN_MODE_UNDEFINED:
1316 break;
1317 }
1318
af8cdcd8
JB		 1319 return ieee80211_ibss_join(sdata, params);
1320}
1321
1322static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1323{
1324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1325
1326 return ieee80211_ibss_leave(sdata);
1327}
1328
b9a5f8ca
JM		 1329static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1330{
1331 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1332 int err;
b9a5f8ca 1333
f23a4780
AN		 1334 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1335 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1336
1337 if (err)
1338 return err;
1339 }
1340
310bc676
LT		 1341 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1342 err = drv_set_coverage_class(local, wiphy->coverage_class);
1343
1344 if (err)
1345 return err;
1346 }
1347
b9a5f8ca 1348 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1349 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1350
24487981
JB		 1351 if (err)
1352 return err;
b9a5f8ca
JM		 1353 }
1354
1355 if (changed & WIPHY_PARAM_RETRY_SHORT)
1356 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1357 if (changed & WIPHY_PARAM_RETRY_LONG)
1358 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1359 if (changed &
1360 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1361 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1362
1363 return 0;
1364}
1365
7643a2c3 1366static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1367 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1368{
1369 struct ieee80211_local *local = wiphy_priv(wiphy);
1370 struct ieee80211_channel *chan = local->hw.conf.channel;
1371 u32 changes = 0;
7643a2c3
JB		 1372
1373 switch (type) {
fa61cf70 1374 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1375 local->user_power_level = -1;
1376 break;
fa61cf70
JO		 1377 case NL80211_TX_POWER_LIMITED:
1378 if (mbm < 0 || (mbm % 100))
1379 return -EOPNOTSUPP;
1380 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1381 break;
fa61cf70
JO		 1382 case NL80211_TX_POWER_FIXED:
1383 if (mbm < 0 || (mbm % 100))
1384 return -EOPNOTSUPP;
7643a2c3 1385 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1386 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1387 return -EINVAL;
fa61cf70 1388 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1389 break;
7643a2c3
JB		 1390 }
1391
1392 ieee80211_hw_config(local, changes);
1393
1394 return 0;
1395}
1396
1397static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1398{
1399 struct ieee80211_local *local = wiphy_priv(wiphy);
1400
1401 *dbm = local->hw.conf.power_level;
1402
7643a2c3
JB		 1403 return 0;
1404}
1405
ab737a4f 1406static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1407 const u8 *addr)
ab737a4f
JB		 1408{
1409 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1410
1411 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1412
1413 return 0;
1414}
1415
1f87f7d3
JB		 1416static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1417{
1418 struct ieee80211_local *local = wiphy_priv(wiphy);
1419
1420 drv_rfkill_poll(local);
1421}
1422
aff89a9b 1423#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1424static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1425{
1426 struct ieee80211_local *local = wiphy_priv(wiphy);
1427
1428 if (!local->ops->testmode_cmd)
1429 return -EOPNOTSUPP;
1430
1431 return local->ops->testmode_cmd(&local->hw, data, len);
1432}
1433#endif
1434
0f78231b
JB		 1435int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1436 enum ieee80211_smps_mode smps_mode)
1437{
1438 const u8 *ap;
1439 enum ieee80211_smps_mode old_req;
1440 int err;
1441
1442 old_req = sdata->u.mgd.req_smps;
1443 sdata->u.mgd.req_smps = smps_mode;
1444
1445 if (old_req == smps_mode &&
1446 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1447 return 0;
1448
1449 /*
1450 * If not associated, or current association is not an HT
1451 * association, there's no need to send an action frame.
1452 */
1453 if (!sdata->u.mgd.associated ||
0aaffa9b 1454 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1455 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1456 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1457 mutex_unlock(&sdata->local->iflist_mtx);
1458 return 0;
1459 }
1460
0c1ad2ca 1461 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1462
1463 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1464 if (sdata->u.mgd.powersave)
1465 smps_mode = IEEE80211_SMPS_DYNAMIC;
1466 else
1467 smps_mode = IEEE80211_SMPS_OFF;
1468 }
1469
1470 /* send SM PS frame to AP */
1471 err = ieee80211_send_smps_action(sdata, smps_mode,
1472 ap, ap);
1473 if (err)
1474 sdata->u.mgd.req_smps = old_req;
1475
1476 return err;
1477}
1478
bc92afd9
JB		 1479static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1480 bool enabled, int timeout)
1481{
1482 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1483 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1484
e5de30c9
BP		 1485 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1486 return -EOPNOTSUPP;
1487
bc92afd9
JB		 1488 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1489 return -EOPNOTSUPP;
1490
1491 if (enabled == sdata->u.mgd.powersave &&
ff616381 1492 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 1493 return 0;
1494
1495 sdata->u.mgd.powersave = enabled;
ff616381 1496 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1497
0f78231b
JB		 1498 /* no change, but if automatic follow powersave */
1499 mutex_lock(&sdata->u.mgd.mtx);
1500 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1501 mutex_unlock(&sdata->u.mgd.mtx);
1502
bc92afd9
JB		 1503 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1504 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1505
1506 ieee80211_recalc_ps(local, -1);
1507
1508 return 0;
1509}
1510
a97c13c3
JO		 1511static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1512 struct net_device *dev,
1513 s32 rssi_thold, u32 rssi_hyst)
1514{
1515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1516 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1517 struct ieee80211_vif *vif = &sdata->vif;
1518 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1519
a97c13c3
JO		 1520 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1521 rssi_hyst == bss_conf->cqm_rssi_hyst)
1522 return 0;
1523
1524 bss_conf->cqm_rssi_thold = rssi_thold;
1525 bss_conf->cqm_rssi_hyst = rssi_hyst;
1526
17e4ec14
JM		 1527 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1528 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1529 return -EOPNOTSUPP;
1530 return 0;
1531 }
1532
a97c13c3
JO		 1533 /* tell the driver upon association, unless already associated */
1534 if (sdata->u.mgd.associated)
1535 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1536
1537 return 0;
1538}
1539
9930380f
JB		 1540static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1541 struct net_device *dev,
1542 const u8 *addr,
1543 const struct cfg80211_bitrate_mask *mask)
1544{
1545 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1546 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1547 int i;
9930380f 1548
2c7e6bc9
JB		 1549 /*
1550 * This _could_ be supported by providing a hook for
1551 * drivers for this function, but at this point it
1552 * doesn't seem worth bothering.
1553 */
1554 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1555 return -EOPNOTSUPP;
1556
9930380f 1557
37eb0b16
JM		 1558 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1559 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1560
37eb0b16 1561 return 0;
9930380f
JB		 1562}
1563
b8bc4b0a
JB		 1564static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1565 struct net_device *dev,
1566 struct ieee80211_channel *chan,
1567 enum nl80211_channel_type channel_type,
1568 unsigned int duration,
1569 u64 *cookie)
1570{
1571 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1572
1573 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1574 duration, cookie);
1575}
1576
1577static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1578 struct net_device *dev,
1579 u64 cookie)
1580{
1581 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1582
1583 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1584}
1585
f30221e4
JB		 1586static enum work_done_result
1587ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1588{
1589 /*
1590 * Use the data embedded in the work struct for reporting
1591 * here so if the driver mangled the SKB before dropping
1592 * it (which is the only way we really should get here)
1593 * then we don't report mangled data.
1594 *
1595 * If there was no wait time, then by the time we get here
1596 * the driver will likely not have reported the status yet,
1597 * so in that case userspace will have to deal with it.
1598 */
1599
1600 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1601 cfg80211_mgmt_tx_status(wk->sdata->dev,
1602 (unsigned long) wk->offchan_tx.frame,
1603 wk->ie, wk->ie_len, false, GFP_KERNEL);
1604
1605 return WORK_DONE_DESTROY;
1606}
1607
2e161f78 1608static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 1609 struct ieee80211_channel *chan, bool offchan,
2e161f78 1610 enum nl80211_channel_type channel_type,
f7ca38df 1611 bool channel_type_valid, unsigned int wait,
2e161f78 1612 const u8 *buf, size_t len, u64 *cookie)
026331c4 1613{
9d38d85d
JB		 1614 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615 struct ieee80211_local *local = sdata->local;
1616 struct sk_buff *skb;
1617 struct sta_info *sta;
f30221e4 1618 struct ieee80211_work *wk;
9d38d85d
JB		 1619 const struct ieee80211_mgmt *mgmt = (void *)buf;
1620 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1621 IEEE80211_TX_CTL_REQ_TX_STATUS;
f30221e4 1622 bool is_offchan = false;
f7ca38df 1623
9d38d85d
JB		 1624 /* Check that we are on the requested channel for transmission */
1625 if (chan != local->tmp_channel &&
1626 chan != local->oper_channel)
f30221e4 1627 is_offchan = true;
9d38d85d
JB		 1628 if (channel_type_valid &&
1629 (channel_type != local->tmp_channel_type &&
1630 channel_type != local->_oper_channel_type))
f30221e4
JB		 1631 is_offchan = true;
1632
1633 if (is_offchan && !offchan)
9d38d85d
JB		 1634 return -EBUSY;
1635
1636 switch (sdata->vif.type) {
1637 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 1638 case NL80211_IFTYPE_AP:
1639 case NL80211_IFTYPE_AP_VLAN:
1640 case NL80211_IFTYPE_P2P_GO:
1641 if (!ieee80211_is_action(mgmt->frame_control) ||
1642 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 1643 break;
1644 rcu_read_lock();
1645 sta = sta_info_get(sdata, mgmt->da);
1646 rcu_read_unlock();
1647 if (!sta)
1648 return -ENOLINK;
1649 break;
1650 case NL80211_IFTYPE_STATION:
663fcafd 1651 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 1652 break;
1653 default:
1654 return -EOPNOTSUPP;
1655 }
1656
1657 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1658 if (!skb)
1659 return -ENOMEM;
1660 skb_reserve(skb, local->hw.extra_tx_headroom);
1661
1662 memcpy(skb_put(skb, len), buf, len);
1663
1664 IEEE80211_SKB_CB(skb)->flags = flags;
1665
1666 skb->dev = sdata->dev;
9d38d85d
JB		 1667
1668 *cookie = (unsigned long) skb;
f30221e4
JB		 1669
1670 /*
1671 * Can transmit right away if the channel was the
1672 * right one and there's no wait involved... If a
1673 * wait is involved, we might otherwise not be on
1674 * the right channel for long enough!
1675 */
1676 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1677 ieee80211_tx_skb(sdata, skb);
1678 return 0;
1679 }
1680
1681 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1682 if (!wk) {
1683 kfree_skb(skb);
1684 return -ENOMEM;
1685 }
1686
1687 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1688 wk->chan = chan;
1689 wk->sdata = sdata;
1690 wk->done = ieee80211_offchan_tx_done;
1691 wk->offchan_tx.frame = skb;
1692 wk->offchan_tx.wait = wait;
1693 wk->ie_len = len;
1694 memcpy(wk->ie, buf, len);
1695
1696 ieee80211_add_work(wk);
9d38d85d 1697 return 0;
026331c4
JM		 1698}
1699
f30221e4
JB		 1700static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1701 struct net_device *dev,
1702 u64 cookie)
1703{
1704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1705 struct ieee80211_local *local = sdata->local;
1706 struct ieee80211_work *wk;
1707 int ret = -ENOENT;
1708
1709 mutex_lock(&local->mtx);
1710 list_for_each_entry(wk, &local->work_list, list) {
1711 if (wk->sdata != sdata)
1712 continue;
1713
1714 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1715 continue;
1716
1717 if (cookie != (unsigned long) wk->offchan_tx.frame)
1718 continue;
1719
1720 wk->timeout = jiffies;
1721
1722 ieee80211_queue_work(&local->hw, &local->work_work);
1723 ret = 0;
1724 break;
1725 }
1726 mutex_unlock(&local->mtx);
1727
1728 return ret;
1729}
1730
7be5086d
JB		 1731static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1732 struct net_device *dev,
1733 u16 frame_type, bool reg)
1734{
1735 struct ieee80211_local *local = wiphy_priv(wiphy);
1736
1737 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1738 return;
1739
1740 if (reg)
1741 local->probe_req_reg++;
1742 else
1743 local->probe_req_reg--;
1744
1745 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1746}
1747
15d96753
BR		 1748static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1749{
1750 struct ieee80211_local *local = wiphy_priv(wiphy);
1751
1752 if (local->started)
1753 return -EOPNOTSUPP;
1754
1755 return drv_set_antenna(local, tx_ant, rx_ant);
1756}
1757
1758static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1759{
1760 struct ieee80211_local *local = wiphy_priv(wiphy);
1761
1762 return drv_get_antenna(local, tx_ant, rx_ant);
1763}
1764
f0706e82
JB		 1765struct cfg80211_ops mac80211_config_ops = {
1766 .add_virtual_intf = ieee80211_add_iface,
1767 .del_virtual_intf = ieee80211_del_iface,
42613db7 1768 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1769 .add_key = ieee80211_add_key,
1770 .del_key = ieee80211_del_key,
62da92fb 1771 .get_key = ieee80211_get_key,
e8cbb4cb 1772 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1773 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1774 .add_beacon = ieee80211_add_beacon,
1775 .set_beacon = ieee80211_set_beacon,
1776 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1777 .add_station = ieee80211_add_station,
1778 .del_station = ieee80211_del_station,
1779 .change_station = ieee80211_change_station,
7bbdd2d9 1780 .get_station = ieee80211_get_station,
c5dd9c2b 1781 .dump_station = ieee80211_dump_station,
1289723e 1782 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 1783#ifdef CONFIG_MAC80211_MESH
1784 .add_mpath = ieee80211_add_mpath,
1785 .del_mpath = ieee80211_del_mpath,
1786 .change_mpath = ieee80211_change_mpath,
1787 .get_mpath = ieee80211_get_mpath,
1788 .dump_mpath = ieee80211_dump_mpath,
29cbe68c 1789 .update_mesh_params = ieee80211_update_mesh_params,
93da9cc1 1790 .get_mesh_params = ieee80211_get_mesh_params,
29cbe68c
JB		 1791 .join_mesh = ieee80211_join_mesh,
1792 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 1793#endif
9f1ba906 1794 .change_bss = ieee80211_change_bss,
31888487 1795 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1796 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1797 .suspend = ieee80211_suspend,
1798 .resume = ieee80211_resume,
2a519311 1799 .scan = ieee80211_scan,
636a5d36
JM		 1800 .auth = ieee80211_auth,
1801 .assoc = ieee80211_assoc,
1802 .deauth = ieee80211_deauth,
1803 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1804 .join_ibss = ieee80211_join_ibss,
1805 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1806 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1807 .set_tx_power = ieee80211_set_tx_power,
1808 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1809 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1810 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1811 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1812 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1813 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1814 .remain_on_channel = ieee80211_remain_on_channel,
1815 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 1816 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 1817 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 1818 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 1819 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 1820 .set_antenna = ieee80211_set_antenna,
1821 .get_antenna = ieee80211_get_antenna,
f0706e82 1822};
kernel source for telekom puls (alcatel/mediatek)