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iwlwifi: jiffies based tx queues watchdog
[deliverable/linux.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)) {
ccb14354 345 sinfo->filled |= STATION_INFO_SIGNAL;
420e7fab
HR		 346 sinfo->signal = (s8)sta->last_signal;
347 }
348
349 sinfo->txrate.flags = 0;
350 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
351 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
352 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
353 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
354 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
355 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
356
357 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
358 struct ieee80211_supported_band *sband;
359 sband = sta->local->hw.wiphy->bands[
360 sta->local->hw.conf.channel->band];
361 sinfo->txrate.legacy =
362 sband->bitrates[sta->last_tx_rate.idx].bitrate;
363 } else
364 sinfo->txrate.mcs = sta->last_tx_rate.idx;
365
902acc78 366 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 367#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 368 sinfo->filled |= STATION_INFO_LLID |
369 STATION_INFO_PLID |
370 STATION_INFO_PLINK_STATE;
371
372 sinfo->llid = le16_to_cpu(sta->llid);
373 sinfo->plid = le16_to_cpu(sta->plid);
374 sinfo->plink_state = sta->plink_state;
c5dd9c2b 375#endif
902acc78 376 }
c5dd9c2b
LCC		 377}
378
379
380static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
381 int idx, u8 *mac, struct station_info *sinfo)
382{
3b53fde8 383 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 384 struct sta_info *sta;
d0709a65
JB		 385 int ret = -ENOENT;
386
387 rcu_read_lock();
c5dd9c2b 388
3b53fde8 389 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 390 if (sta) {
391 ret = 0;
17741cdc 392 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 393 sta_set_sinfo(sta, sinfo);
394 }
c5dd9c2b 395
d0709a65 396 rcu_read_unlock();
c5dd9c2b 397
d0709a65 398 return ret;
c5dd9c2b
LCC		 399}
400
1289723e
HS		 401static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
402 int idx, struct survey_info *survey)
403{
404 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
405
1289723e
HS		 406 return drv_get_survey(local, idx, survey);
407}
408
7bbdd2d9 409static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 410 u8 *mac, struct station_info *sinfo)
7bbdd2d9 411{
abe60632 412 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 413 struct sta_info *sta;
d0709a65 414 int ret = -ENOENT;
7bbdd2d9 415
d0709a65 416 rcu_read_lock();
7bbdd2d9 417
0e5ded5a 418 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 419 if (sta) {
420 ret = 0;
421 sta_set_sinfo(sta, sinfo);
422 }
423
424 rcu_read_unlock();
425
426 return ret;
7bbdd2d9
JB		 427}
428
5dfdaf58
JB		 429/*
430 * This handles both adding a beacon and setting new beacon info
431 */
432static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
433 struct beacon_parameters *params)
434{
435 struct beacon_data *new, *old;
436 int new_head_len, new_tail_len;
437 int size;
438 int err = -EINVAL;
439
440 old = sdata->u.ap.beacon;
441
442 /* head must not be zero-length */
443 if (params->head && !params->head_len)
444 return -EINVAL;
445
446 /*
447 * This is a kludge. beacon interval should really be part
448 * of the beacon information.
449 */
57c4d7b4
JB		 450 if (params->interval &&
451 (sdata->vif.bss_conf.beacon_int != params->interval)) {
452 sdata->vif.bss_conf.beacon_int = params->interval;
453 ieee80211_bss_info_change_notify(sdata,
454 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 455 }
456
457 /* Need to have a beacon head if we don't have one yet */
458 if (!params->head && !old)
459 return err;
460
461 /* sorry, no way to start beaconing without dtim period */
462 if (!params->dtim_period && !old)
463 return err;
464
465 /* new or old head? */
466 if (params->head)
467 new_head_len = params->head_len;
468 else
469 new_head_len = old->head_len;
470
471 /* new or old tail? */
472 if (params->tail || !old)
473 /* params->tail_len will be zero for !params->tail */
474 new_tail_len = params->tail_len;
475 else
476 new_tail_len = old->tail_len;
477
478 size = sizeof(*new) + new_head_len + new_tail_len;
479
480 new = kzalloc(size, GFP_KERNEL);
481 if (!new)
482 return -ENOMEM;
483
484 /* start filling the new info now */
485
486 /* new or old dtim period? */
487 if (params->dtim_period)
488 new->dtim_period = params->dtim_period;
489 else
490 new->dtim_period = old->dtim_period;
491
492 /*
493 * pointers go into the block we allocated,
494 * memory is | beacon_data | head | tail |
495 */
496 new->head = ((u8 *) new) + sizeof(*new);
497 new->tail = new->head + new_head_len;
498 new->head_len = new_head_len;
499 new->tail_len = new_tail_len;
500
501 /* copy in head */
502 if (params->head)
503 memcpy(new->head, params->head, new_head_len);
504 else
505 memcpy(new->head, old->head, new_head_len);
506
507 /* copy in optional tail */
508 if (params->tail)
509 memcpy(new->tail, params->tail, new_tail_len);
510 else
511 if (old)
512 memcpy(new->tail, old->tail, new_tail_len);
513
19885c4f
JB		 514 sdata->vif.bss_conf.dtim_period = new->dtim_period;
515
5dfdaf58
JB		 516 rcu_assign_pointer(sdata->u.ap.beacon, new);
517
518 synchronize_rcu();
519
520 kfree(old);
521
2d0ddec5
JB		 522 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
523 BSS_CHANGED_BEACON);
524 return 0;
5dfdaf58
JB		 525}
526
527static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
528 struct beacon_parameters *params)
529{
14db74bc 530 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 531 struct beacon_data *old;
532
14db74bc
JB		 533 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
534
5dfdaf58
JB		 535 old = sdata->u.ap.beacon;
536
537 if (old)
538 return -EALREADY;
539
540 return ieee80211_config_beacon(sdata, params);
541}
542
543static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
544 struct beacon_parameters *params)
545{
14db74bc 546 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 547 struct beacon_data *old;
548
14db74bc
JB		 549 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
550
5dfdaf58
JB		 551 old = sdata->u.ap.beacon;
552
553 if (!old)
554 return -ENOENT;
555
556 return ieee80211_config_beacon(sdata, params);
557}
558
559static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
560{
14db74bc 561 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 562 struct beacon_data *old;
563
14db74bc
JB		 564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565
5dfdaf58
JB		 566 old = sdata->u.ap.beacon;
567
568 if (!old)
569 return -ENOENT;
570
571 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
572 synchronize_rcu();
573 kfree(old);
574
2d0ddec5
JB		 575 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
576 return 0;
5dfdaf58
JB		 577}
578
4fd6931e
JB		 579/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
580struct iapp_layer2_update {
581 u8 da[ETH_ALEN]; /* broadcast */
582 u8 sa[ETH_ALEN]; /* STA addr */
583 __be16 len; /* 6 */
584 u8 dsap; /* 0 */
585 u8 ssap; /* 0 */
586 u8 control;
587 u8 xid_info[3];
bc10502d 588} __packed;
4fd6931e
JB		 589
590static void ieee80211_send_layer2_update(struct sta_info *sta)
591{
592 struct iapp_layer2_update *msg;
593 struct sk_buff *skb;
594
595 /* Send Level 2 Update Frame to update forwarding tables in layer 2
596 * bridge devices */
597
598 skb = dev_alloc_skb(sizeof(*msg));
599 if (!skb)
600 return;
601 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
602
603 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
604 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
605
606 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 607 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 608 msg->len = htons(6);
609 msg->dsap = 0;
610 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
611 msg->control = 0xaf; /* XID response lsb.1111F101.
612 * F=0 (no poll command; unsolicited frame) */
613 msg->xid_info[0] = 0x81; /* XID format identifier */
614 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
615 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
616
d0709a65
JB		 617 skb->dev = sta->sdata->dev;
618 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 619 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 620 netif_rx_ni(skb);
4fd6931e
JB		 621}
622
623static void sta_apply_parameters(struct ieee80211_local *local,
624 struct sta_info *sta,
625 struct station_parameters *params)
626{
f5521b13 627 unsigned long flags;
4fd6931e
JB		 628 u32 rates;
629 int i, j;
8318d78a 630 struct ieee80211_supported_band *sband;
d0709a65 631 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 632 u32 mask, set;
4fd6931e 633
ae5eb026
JB		 634 sband = local->hw.wiphy->bands[local->oper_channel->band];
635
f5521b13 636 spin_lock_irqsave(&sta->flaglock, flags);
eccb8e8f
JB		 637 mask = params->sta_flags_mask;
638 set = params->sta_flags_set;
73651ee6 639
eccb8e8f 640 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 641 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 642 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 643 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 644 }
4fd6931e 645
eccb8e8f 646 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 647 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 648 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 649 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 650 }
4fd6931e 651
eccb8e8f 652 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 653 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 654 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 655 sta->flags |= WLAN_STA_WME;
eccb8e8f 656 }
5394af4d 657
eccb8e8f 658 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 659 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 660 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 661 sta->flags |= WLAN_STA_MFP;
4fd6931e 662 }
f5521b13 663 spin_unlock_irqrestore(&sta->flaglock, flags);
4fd6931e 664
51b50fbe
JB		 665 /*
666 * cfg80211 validates this (1-2007) and allows setting the AID
667 * only when creating a new station entry
668 */
669 if (params->aid)
670 sta->sta.aid = params->aid;
671
73651ee6
JB		 672 /*
673 * FIXME: updating the following information is racy when this
674 * function is called from ieee80211_change_station().
675 * However, all this information should be static so
676 * maybe we should just reject attemps to change it.
677 */
678
4fd6931e
JB		 679 if (params->listen_interval >= 0)
680 sta->listen_interval = params->listen_interval;
681
682 if (params->supported_rates) {
683 rates = 0;
8318d78a 684
4fd6931e
JB		 685 for (i = 0; i < params->supported_rates_len; i++) {
686 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 687 for (j = 0; j < sband->n_bitrates; j++) {
688 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 689 rates |= BIT(j);
690 }
691 }
323ce79a 692 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 693 }
c5dd9c2b 694
d9fe60de 695 if (params->ht_capa)
ae5eb026
JB		 696 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
697 params->ht_capa,
d9fe60de 698 &sta->sta.ht_cap);
36aedc90 699
902acc78 700 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 701 switch (params->plink_action) {
702 case PLINK_ACTION_OPEN:
703 mesh_plink_open(sta);
704 break;
705 case PLINK_ACTION_BLOCK:
706 mesh_plink_block(sta);
707 break;
708 }
902acc78 709 }
4fd6931e
JB		 710}
711
712static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
713 u8 *mac, struct station_parameters *params)
714{
14db74bc 715 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 716 struct sta_info *sta;
717 struct ieee80211_sub_if_data *sdata;
73651ee6 718 int err;
b8d476c8 719 int layer2_update;
4fd6931e 720
4fd6931e
JB		 721 if (params->vlan) {
722 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
723
05c914fe
JB		 724 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
725 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 726 return -EINVAL;
727 } else
728 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
729
47846c9b 730 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 731 return -EINVAL;
732
733 if (is_multicast_ether_addr(mac))
734 return -EINVAL;
735
736 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 737 if (!sta)
738 return -ENOMEM;
4fd6931e
JB		 739
740 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
741
742 sta_apply_parameters(local, sta, params);
743
4b7679a5 744 rate_control_rate_init(sta);
4fd6931e 745
b8d476c8
JM		 746 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
747 sdata->vif.type == NL80211_IFTYPE_AP;
748
34e89507 749 err = sta_info_insert_rcu(sta);
73651ee6 750 if (err) {
73651ee6
JB		 751 rcu_read_unlock();
752 return err;
753 }
754
b8d476c8 755 if (layer2_update)
73651ee6
JB		 756 ieee80211_send_layer2_update(sta);
757
758 rcu_read_unlock();
759
4fd6931e
JB		 760 return 0;
761}
762
763static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
764 u8 *mac)
765{
14db74bc
JB		 766 struct ieee80211_local *local = wiphy_priv(wiphy);
767 struct ieee80211_sub_if_data *sdata;
4fd6931e 768
14db74bc
JB		 769 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
770
34e89507
JB		 771 if (mac)
772 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 773
34e89507 774 sta_info_flush(local, sdata);
4fd6931e
JB		 775 return 0;
776}
777
778static int ieee80211_change_station(struct wiphy *wiphy,
779 struct net_device *dev,
780 u8 *mac,
781 struct station_parameters *params)
782{
abe60632 783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 784 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 785 struct sta_info *sta;
786 struct ieee80211_sub_if_data *vlansdata;
787
98dd6a57
JB		 788 rcu_read_lock();
789
0e5ded5a 790 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 791 if (!sta) {
792 rcu_read_unlock();
4fd6931e 793 return -ENOENT;
98dd6a57 794 }
4fd6931e 795
d0709a65 796 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 797 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
798
05c914fe
JB		 799 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
800 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 801 rcu_read_unlock();
4fd6931e 802 return -EINVAL;
98dd6a57 803 }
4fd6931e 804
9bc383de 805 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 806 if (vlansdata->u.vlan.sta) {
807 rcu_read_unlock();
f14543ee 808 return -EBUSY;
3305443c 809 }
f14543ee
FF		 810
811 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
812 }
813
14db74bc 814 sta->sdata = vlansdata;
4fd6931e
JB		 815 ieee80211_send_layer2_update(sta);
816 }
817
818 sta_apply_parameters(local, sta, params);
819
98dd6a57
JB		 820 rcu_read_unlock();
821
4fd6931e
JB		 822 return 0;
823}
824
c5dd9c2b
LCC		 825#ifdef CONFIG_MAC80211_MESH
826static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
827 u8 *dst, u8 *next_hop)
828{
14db74bc 829 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 830 struct mesh_path *mpath;
831 struct sta_info *sta;
832 int err;
833
14db74bc
JB		 834 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
835
d0709a65 836 rcu_read_lock();
abe60632 837 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 838 if (!sta) {
839 rcu_read_unlock();
c5dd9c2b 840 return -ENOENT;
d0709a65 841 }
c5dd9c2b 842
f698d856 843 err = mesh_path_add(dst, sdata);
d0709a65
JB		 844 if (err) {
845 rcu_read_unlock();
c5dd9c2b 846 return err;
d0709a65 847 }
c5dd9c2b 848
f698d856 849 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 850 if (!mpath) {
851 rcu_read_unlock();
c5dd9c2b
LCC		 852 return -ENXIO;
853 }
854 mesh_path_fix_nexthop(mpath, sta);
d0709a65 855
c5dd9c2b
LCC		 856 rcu_read_unlock();
857 return 0;
858}
859
860static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
861 u8 *dst)
862{
f698d856
JBG		 863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
864
c5dd9c2b 865 if (dst)
f698d856 866 return mesh_path_del(dst, sdata);
c5dd9c2b 867
f698d856 868 mesh_path_flush(sdata);
c5dd9c2b
LCC		 869 return 0;
870}
871
872static int ieee80211_change_mpath(struct wiphy *wiphy,
873 struct net_device *dev,
874 u8 *dst, u8 *next_hop)
875{
14db74bc 876 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 877 struct mesh_path *mpath;
878 struct sta_info *sta;
879
14db74bc
JB		 880 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
881
d0709a65
JB		 882 rcu_read_lock();
883
abe60632 884 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 885 if (!sta) {
886 rcu_read_unlock();
c5dd9c2b 887 return -ENOENT;
d0709a65 888 }
c5dd9c2b 889
f698d856 890 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 891 if (!mpath) {
892 rcu_read_unlock();
c5dd9c2b
LCC		 893 return -ENOENT;
894 }
895
896 mesh_path_fix_nexthop(mpath, sta);
d0709a65 897
c5dd9c2b
LCC		 898 rcu_read_unlock();
899 return 0;
900}
901
902static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
903 struct mpath_info *pinfo)
904{
905 if (mpath->next_hop)
17741cdc 906 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 907 else
908 memset(next_hop, 0, ETH_ALEN);
909
f5ea9120
JB		 910 pinfo->generation = mesh_paths_generation;
911
c5dd9c2b 912 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 913 MPATH_INFO_SN |
c5dd9c2b
LCC		 914 MPATH_INFO_METRIC |
915 MPATH_INFO_EXPTIME |
916 MPATH_INFO_DISCOVERY_TIMEOUT |
917 MPATH_INFO_DISCOVERY_RETRIES |
918 MPATH_INFO_FLAGS;
919
920 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 921 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 922 pinfo->metric = mpath->metric;
923 if (time_before(jiffies, mpath->exp_time))
924 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
925 pinfo->discovery_timeout =
926 jiffies_to_msecs(mpath->discovery_timeout);
927 pinfo->discovery_retries = mpath->discovery_retries;
928 pinfo->flags = 0;
929 if (mpath->flags & MESH_PATH_ACTIVE)
930 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
931 if (mpath->flags & MESH_PATH_RESOLVING)
932 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 933 if (mpath->flags & MESH_PATH_SN_VALID)
934 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 935 if (mpath->flags & MESH_PATH_FIXED)
936 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
937 if (mpath->flags & MESH_PATH_RESOLVING)
938 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
939
940 pinfo->flags = mpath->flags;
941}
942
943static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
944 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
945
946{
14db74bc 947 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 948 struct mesh_path *mpath;
949
14db74bc
JB		 950 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
951
c5dd9c2b 952 rcu_read_lock();
f698d856 953 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 954 if (!mpath) {
955 rcu_read_unlock();
956 return -ENOENT;
957 }
958 memcpy(dst, mpath->dst, ETH_ALEN);
959 mpath_set_pinfo(mpath, next_hop, pinfo);
960 rcu_read_unlock();
961 return 0;
962}
963
964static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
965 int idx, u8 *dst, u8 *next_hop,
966 struct mpath_info *pinfo)
967{
14db74bc 968 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 969 struct mesh_path *mpath;
970
14db74bc
JB		 971 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
972
c5dd9c2b 973 rcu_read_lock();
f698d856 974 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 975 if (!mpath) {
976 rcu_read_unlock();
977 return -ENOENT;
978 }
979 memcpy(dst, mpath->dst, ETH_ALEN);
980 mpath_set_pinfo(mpath, next_hop, pinfo);
981 rcu_read_unlock();
982 return 0;
983}
93da9cc1 984
985static int ieee80211_get_mesh_params(struct wiphy *wiphy,
986 struct net_device *dev,
987 struct mesh_config *conf)
988{
989 struct ieee80211_sub_if_data *sdata;
990 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
991
93da9cc1 992 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
993 return 0;
994}
995
996static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
997{
998 return (mask >> (parm-1)) & 0x1;
999}
1000
29cbe68c
JB		 1001static int ieee80211_update_mesh_params(struct wiphy *wiphy,
1002 struct net_device *dev, u32 mask,
1003 const struct mesh_config *nconf)
93da9cc1 1004{
1005 struct mesh_config *conf;
1006 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1007 struct ieee80211_if_mesh *ifmsh;
1008
93da9cc1 1009 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1010 ifmsh = &sdata->u.mesh;
93da9cc1 1011
93da9cc1 1012 /* Set the config options which we are interested in setting */
1013 conf = &(sdata->u.mesh.mshcfg);
1014 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1015 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1016 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1017 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1018 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1019 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1021 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1023 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1024 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1025 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1026 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1027 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1028 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1029 conf->auto_open_plinks = nconf->auto_open_plinks;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1031 conf->dot11MeshHWMPmaxPREQretries =
1032 nconf->dot11MeshHWMPmaxPREQretries;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1034 conf->path_refresh_time = nconf->path_refresh_time;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1036 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1038 conf->dot11MeshHWMPactivePathTimeout =
1039 nconf->dot11MeshHWMPactivePathTimeout;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1041 conf->dot11MeshHWMPpreqMinInterval =
1042 nconf->dot11MeshHWMPpreqMinInterval;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1044 mask))
1045 conf->dot11MeshHWMPnetDiameterTraversalTime =
1046 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1047 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1048 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1049 ieee80211_mesh_root_setup(ifmsh);
1050 }
93da9cc1 1051 return 0;
1052}
1053
29cbe68c
JB		 1054static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1055 const struct mesh_config *conf,
1056 const struct mesh_setup *setup)
1057{
1058 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1059 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1060
1061 memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
1062 ifmsh->mesh_id_len = setup->mesh_id_len;
1063 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1064
1065 ieee80211_start_mesh(sdata);
1066
1067 return 0;
1068}
1069
1070static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1071{
1072 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1073
1074 ieee80211_stop_mesh(sdata);
1075
1076 return 0;
1077}
c5dd9c2b
LCC		 1078#endif
1079
9f1ba906
JM		 1080static int ieee80211_change_bss(struct wiphy *wiphy,
1081 struct net_device *dev,
1082 struct bss_parameters *params)
1083{
9f1ba906
JM		 1084 struct ieee80211_sub_if_data *sdata;
1085 u32 changed = 0;
1086
9f1ba906
JM		 1087 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1088
9f1ba906 1089 if (params->use_cts_prot >= 0) {
bda3933a 1090 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1091 changed |= BSS_CHANGED_ERP_CTS_PROT;
1092 }
1093 if (params->use_short_preamble >= 0) {
bda3933a 1094 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1095 params->use_short_preamble;
1096 changed |= BSS_CHANGED_ERP_PREAMBLE;
1097 }
43d35343
FF		 1098
1099 if (!sdata->vif.bss_conf.use_short_slot &&
1100 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1101 sdata->vif.bss_conf.use_short_slot = true;
1102 changed |= BSS_CHANGED_ERP_SLOT;
1103 }
1104
9f1ba906 1105 if (params->use_short_slot_time >= 0) {
bda3933a 1106 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1107 params->use_short_slot_time;
1108 changed |= BSS_CHANGED_ERP_SLOT;
1109 }
1110
90c97a04
JM		 1111 if (params->basic_rates) {
1112 int i, j;
1113 u32 rates = 0;
1114 struct ieee80211_local *local = wiphy_priv(wiphy);
1115 struct ieee80211_supported_band *sband =
1116 wiphy->bands[local->oper_channel->band];
1117
1118 for (i = 0; i < params->basic_rates_len; i++) {
1119 int rate = (params->basic_rates[i] & 0x7f) * 5;
1120 for (j = 0; j < sband->n_bitrates; j++) {
1121 if (sband->bitrates[j].bitrate == rate)
1122 rates |= BIT(j);
1123 }
1124 }
1125 sdata->vif.bss_conf.basic_rates = rates;
1126 changed |= BSS_CHANGED_BASIC_RATES;
1127 }
1128
7b7b5e56
FF		 1129 if (params->ap_isolate >= 0) {
1130 if (params->ap_isolate)
1131 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1132 else
1133 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1134 }
1135
9f1ba906
JM		 1136 ieee80211_bss_info_change_notify(sdata, changed);
1137
1138 return 0;
1139}
1140
31888487
JM		 1141static int ieee80211_set_txq_params(struct wiphy *wiphy,
1142 struct ieee80211_txq_params *params)
1143{
1144 struct ieee80211_local *local = wiphy_priv(wiphy);
1145 struct ieee80211_tx_queue_params p;
1146
1147 if (!local->ops->conf_tx)
1148 return -EOPNOTSUPP;
1149
1150 memset(&p, 0, sizeof(p));
1151 p.aifs = params->aifs;
1152 p.cw_max = params->cwmax;
1153 p.cw_min = params->cwmin;
1154 p.txop = params->txop;
ab13315a
KV		 1155
1156 /*
1157 * Setting tx queue params disables u-apsd because it's only
1158 * called in master mode.
1159 */
1160 p.uapsd = false;
1161
24487981 1162 if (drv_conf_tx(local, params->queue, &p)) {
0fb9a9ec
JP		 1163 wiphy_debug(local->hw.wiphy,
1164 "failed to set TX queue parameters for queue %d\n",
1165 params->queue);
31888487
JM		 1166 return -EINVAL;
1167 }
1168
1169 return 0;
1170}
1171
72bdcf34 1172static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1173 struct net_device *netdev,
72bdcf34 1174 struct ieee80211_channel *chan,
094d05dc 1175 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1176{
1177 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b
JB		 1178 struct ieee80211_sub_if_data *sdata = NULL;
1179
1180 if (netdev)
1181 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1182
f444de05
JB		 1183 switch (ieee80211_get_channel_mode(local, NULL)) {
1184 case CHAN_MODE_HOPPING:
1185 return -EBUSY;
1186 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1187 if (local->oper_channel != chan)
1188 return -EBUSY;
1189 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1190 return 0;
0aaffa9b 1191 break;
f444de05
JB		 1192 case CHAN_MODE_UNDEFINED:
1193 break;
1194 }
72bdcf34
JM		 1195
1196 local->oper_channel = chan;
72bdcf34 1197
0aaffa9b
JB		 1198 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1199 return -EBUSY;
1200
1201 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1202 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1203 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1204
1205 return 0;
72bdcf34
JM		 1206}
1207
665af4fc
BC		 1208#ifdef CONFIG_PM
1209static int ieee80211_suspend(struct wiphy *wiphy)
1210{
1211 return __ieee80211_suspend(wiphy_priv(wiphy));
1212}
1213
1214static int ieee80211_resume(struct wiphy *wiphy)
1215{
1216 return __ieee80211_resume(wiphy_priv(wiphy));
1217}
1218#else
1219#define ieee80211_suspend NULL
1220#define ieee80211_resume NULL
1221#endif
1222
2a519311
JB		 1223static int ieee80211_scan(struct wiphy *wiphy,
1224 struct net_device *dev,
1225 struct cfg80211_scan_request *req)
1226{
2ca27bcf 1227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1228
2ca27bcf
JB		 1229 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1230 case NL80211_IFTYPE_STATION:
1231 case NL80211_IFTYPE_ADHOC:
1232 case NL80211_IFTYPE_MESH_POINT:
1233 case NL80211_IFTYPE_P2P_CLIENT:
1234 break;
1235 case NL80211_IFTYPE_P2P_GO:
1236 if (sdata->local->ops->hw_scan)
1237 break;
1238 /* FIXME: implement NoA while scanning in software */
2a519311 1239 return -EOPNOTSUPP;
2ca27bcf
JB		 1240 case NL80211_IFTYPE_AP:
1241 if (sdata->u.ap.beacon)
1242 return -EOPNOTSUPP;
1243 break;
1244 default:
1245 return -EOPNOTSUPP;
1246 }
2a519311
JB		 1247
1248 return ieee80211_request_scan(sdata, req);
1249}
1250
636a5d36
JM		 1251static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1252 struct cfg80211_auth_request *req)
1253{
77fdaa12 1254 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1255}
1256
1257static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1258 struct cfg80211_assoc_request *req)
1259{
f444de05
JB		 1260 struct ieee80211_local *local = wiphy_priv(wiphy);
1261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1262
1263 switch (ieee80211_get_channel_mode(local, sdata)) {
1264 case CHAN_MODE_HOPPING:
1265 return -EBUSY;
1266 case CHAN_MODE_FIXED:
1267 if (local->oper_channel == req->bss->channel)
1268 break;
1269 return -EBUSY;
1270 case CHAN_MODE_UNDEFINED:
1271 break;
1272 }
1273
77fdaa12 1274 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1275}
1276
1277static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1278 struct cfg80211_deauth_request *req,
1279 void *cookie)
636a5d36 1280{
667503dd
JB		 1281 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1282 req, cookie);
636a5d36
JM		 1283}
1284
1285static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1286 struct cfg80211_disassoc_request *req,
1287 void *cookie)
636a5d36 1288{
667503dd
JB		 1289 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1290 req, cookie);
636a5d36
JM		 1291}
1292
af8cdcd8
JB		 1293static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1294 struct cfg80211_ibss_params *params)
1295{
f444de05 1296 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1298
f444de05
JB		 1299 switch (ieee80211_get_channel_mode(local, sdata)) {
1300 case CHAN_MODE_HOPPING:
1301 return -EBUSY;
1302 case CHAN_MODE_FIXED:
1303 if (!params->channel_fixed)
1304 return -EBUSY;
1305 if (local->oper_channel == params->channel)
1306 break;
1307 return -EBUSY;
1308 case CHAN_MODE_UNDEFINED:
1309 break;
1310 }
1311
af8cdcd8
JB		 1312 return ieee80211_ibss_join(sdata, params);
1313}
1314
1315static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1316{
1317 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1318
1319 return ieee80211_ibss_leave(sdata);
1320}
1321
b9a5f8ca
JM		 1322static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1323{
1324 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1325 int err;
b9a5f8ca 1326
f23a4780
AN		 1327 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1328 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1329
1330 if (err)
1331 return err;
1332 }
1333
310bc676
LT		 1334 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1335 err = drv_set_coverage_class(local, wiphy->coverage_class);
1336
1337 if (err)
1338 return err;
1339 }
1340
b9a5f8ca 1341 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1342 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1343
24487981
JB		 1344 if (err)
1345 return err;
b9a5f8ca
JM		 1346 }
1347
1348 if (changed & WIPHY_PARAM_RETRY_SHORT)
1349 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1350 if (changed & WIPHY_PARAM_RETRY_LONG)
1351 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1352 if (changed &
1353 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1354 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1355
1356 return 0;
1357}
1358
7643a2c3 1359static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1360 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1361{
1362 struct ieee80211_local *local = wiphy_priv(wiphy);
1363 struct ieee80211_channel *chan = local->hw.conf.channel;
1364 u32 changes = 0;
7643a2c3
JB		 1365
1366 switch (type) {
fa61cf70 1367 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1368 local->user_power_level = -1;
1369 break;
fa61cf70
JO		 1370 case NL80211_TX_POWER_LIMITED:
1371 if (mbm < 0 || (mbm % 100))
1372 return -EOPNOTSUPP;
1373 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1374 break;
fa61cf70
JO		 1375 case NL80211_TX_POWER_FIXED:
1376 if (mbm < 0 || (mbm % 100))
1377 return -EOPNOTSUPP;
7643a2c3 1378 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1379 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1380 return -EINVAL;
fa61cf70 1381 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1382 break;
7643a2c3
JB		 1383 }
1384
1385 ieee80211_hw_config(local, changes);
1386
1387 return 0;
1388}
1389
1390static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1391{
1392 struct ieee80211_local *local = wiphy_priv(wiphy);
1393
1394 *dbm = local->hw.conf.power_level;
1395
7643a2c3
JB		 1396 return 0;
1397}
1398
ab737a4f 1399static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1400 const u8 *addr)
ab737a4f
JB		 1401{
1402 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1403
1404 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1405
1406 return 0;
1407}
1408
1f87f7d3
JB		 1409static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1410{
1411 struct ieee80211_local *local = wiphy_priv(wiphy);
1412
1413 drv_rfkill_poll(local);
1414}
1415
aff89a9b 1416#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1417static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1418{
1419 struct ieee80211_local *local = wiphy_priv(wiphy);
1420
1421 if (!local->ops->testmode_cmd)
1422 return -EOPNOTSUPP;
1423
1424 return local->ops->testmode_cmd(&local->hw, data, len);
1425}
1426#endif
1427
0f78231b
JB		 1428int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1429 enum ieee80211_smps_mode smps_mode)
1430{
1431 const u8 *ap;
1432 enum ieee80211_smps_mode old_req;
1433 int err;
1434
1435 old_req = sdata->u.mgd.req_smps;
1436 sdata->u.mgd.req_smps = smps_mode;
1437
1438 if (old_req == smps_mode &&
1439 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1440 return 0;
1441
1442 /*
1443 * If not associated, or current association is not an HT
1444 * association, there's no need to send an action frame.
1445 */
1446 if (!sdata->u.mgd.associated ||
0aaffa9b 1447 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1448 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1449 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1450 mutex_unlock(&sdata->local->iflist_mtx);
1451 return 0;
1452 }
1453
0c1ad2ca 1454 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1455
1456 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1457 if (sdata->u.mgd.powersave)
1458 smps_mode = IEEE80211_SMPS_DYNAMIC;
1459 else
1460 smps_mode = IEEE80211_SMPS_OFF;
1461 }
1462
1463 /* send SM PS frame to AP */
1464 err = ieee80211_send_smps_action(sdata, smps_mode,
1465 ap, ap);
1466 if (err)
1467 sdata->u.mgd.req_smps = old_req;
1468
1469 return err;
1470}
1471
bc92afd9
JB		 1472static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1473 bool enabled, int timeout)
1474{
1475 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1476 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1477
e5de30c9
BP		 1478 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1479 return -EOPNOTSUPP;
1480
bc92afd9
JB		 1481 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1482 return -EOPNOTSUPP;
1483
1484 if (enabled == sdata->u.mgd.powersave &&
ff616381 1485 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 1486 return 0;
1487
1488 sdata->u.mgd.powersave = enabled;
ff616381 1489 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1490
0f78231b
JB		 1491 /* no change, but if automatic follow powersave */
1492 mutex_lock(&sdata->u.mgd.mtx);
1493 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1494 mutex_unlock(&sdata->u.mgd.mtx);
1495
bc92afd9
JB		 1496 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1497 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1498
1499 ieee80211_recalc_ps(local, -1);
1500
1501 return 0;
1502}
1503
a97c13c3
JO		 1504static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1505 struct net_device *dev,
1506 s32 rssi_thold, u32 rssi_hyst)
1507{
1508 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1509 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1510 struct ieee80211_vif *vif = &sdata->vif;
1511 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1512
a97c13c3
JO		 1513 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1514 rssi_hyst == bss_conf->cqm_rssi_hyst)
1515 return 0;
1516
1517 bss_conf->cqm_rssi_thold = rssi_thold;
1518 bss_conf->cqm_rssi_hyst = rssi_hyst;
1519
17e4ec14
JM		 1520 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1521 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1522 return -EOPNOTSUPP;
1523 return 0;
1524 }
1525
a97c13c3
JO		 1526 /* tell the driver upon association, unless already associated */
1527 if (sdata->u.mgd.associated)
1528 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1529
1530 return 0;
1531}
1532
9930380f
JB		 1533static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1534 struct net_device *dev,
1535 const u8 *addr,
1536 const struct cfg80211_bitrate_mask *mask)
1537{
1538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1539 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1540 int i;
9930380f 1541
2c7e6bc9
JB		 1542 /*
1543 * This _could_ be supported by providing a hook for
1544 * drivers for this function, but at this point it
1545 * doesn't seem worth bothering.
1546 */
1547 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1548 return -EOPNOTSUPP;
1549
9930380f 1550
37eb0b16
JM		 1551 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1552 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1553
37eb0b16 1554 return 0;
9930380f
JB		 1555}
1556
b8bc4b0a
JB		 1557static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1558 struct net_device *dev,
1559 struct ieee80211_channel *chan,
1560 enum nl80211_channel_type channel_type,
1561 unsigned int duration,
1562 u64 *cookie)
1563{
1564 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1565
1566 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1567 duration, cookie);
1568}
1569
1570static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1571 struct net_device *dev,
1572 u64 cookie)
1573{
1574 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1575
1576 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1577}
1578
f30221e4
JB		 1579static enum work_done_result
1580ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1581{
1582 /*
1583 * Use the data embedded in the work struct for reporting
1584 * here so if the driver mangled the SKB before dropping
1585 * it (which is the only way we really should get here)
1586 * then we don't report mangled data.
1587 *
1588 * If there was no wait time, then by the time we get here
1589 * the driver will likely not have reported the status yet,
1590 * so in that case userspace will have to deal with it.
1591 */
1592
1593 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1594 cfg80211_mgmt_tx_status(wk->sdata->dev,
1595 (unsigned long) wk->offchan_tx.frame,
1596 wk->ie, wk->ie_len, false, GFP_KERNEL);
1597
1598 return WORK_DONE_DESTROY;
1599}
1600
2e161f78 1601static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 1602 struct ieee80211_channel *chan, bool offchan,
2e161f78 1603 enum nl80211_channel_type channel_type,
f7ca38df 1604 bool channel_type_valid, unsigned int wait,
2e161f78 1605 const u8 *buf, size_t len, u64 *cookie)
026331c4 1606{
9d38d85d
JB		 1607 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1608 struct ieee80211_local *local = sdata->local;
1609 struct sk_buff *skb;
1610 struct sta_info *sta;
f30221e4 1611 struct ieee80211_work *wk;
9d38d85d
JB		 1612 const struct ieee80211_mgmt *mgmt = (void *)buf;
1613 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1614 IEEE80211_TX_CTL_REQ_TX_STATUS;
f30221e4 1615 bool is_offchan = false;
f7ca38df 1616
9d38d85d
JB		 1617 /* Check that we are on the requested channel for transmission */
1618 if (chan != local->tmp_channel &&
1619 chan != local->oper_channel)
f30221e4 1620 is_offchan = true;
9d38d85d
JB		 1621 if (channel_type_valid &&
1622 (channel_type != local->tmp_channel_type &&
1623 channel_type != local->_oper_channel_type))
f30221e4
JB		 1624 is_offchan = true;
1625
1626 if (is_offchan && !offchan)
9d38d85d
JB		 1627 return -EBUSY;
1628
1629 switch (sdata->vif.type) {
1630 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 1631 case NL80211_IFTYPE_AP:
1632 case NL80211_IFTYPE_AP_VLAN:
1633 case NL80211_IFTYPE_P2P_GO:
1634 if (!ieee80211_is_action(mgmt->frame_control) ||
1635 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 1636 break;
1637 rcu_read_lock();
1638 sta = sta_info_get(sdata, mgmt->da);
1639 rcu_read_unlock();
1640 if (!sta)
1641 return -ENOLINK;
1642 break;
1643 case NL80211_IFTYPE_STATION:
663fcafd 1644 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 1645 break;
1646 default:
1647 return -EOPNOTSUPP;
1648 }
1649
1650 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1651 if (!skb)
1652 return -ENOMEM;
1653 skb_reserve(skb, local->hw.extra_tx_headroom);
1654
1655 memcpy(skb_put(skb, len), buf, len);
1656
1657 IEEE80211_SKB_CB(skb)->flags = flags;
1658
1659 skb->dev = sdata->dev;
9d38d85d
JB		 1660
1661 *cookie = (unsigned long) skb;
f30221e4
JB		 1662
1663 /*
1664 * Can transmit right away if the channel was the
1665 * right one and there's no wait involved... If a
1666 * wait is involved, we might otherwise not be on
1667 * the right channel for long enough!
1668 */
1669 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1670 ieee80211_tx_skb(sdata, skb);
1671 return 0;
1672 }
1673
1674 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1675 if (!wk) {
1676 kfree_skb(skb);
1677 return -ENOMEM;
1678 }
1679
1680 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1681 wk->chan = chan;
1682 wk->sdata = sdata;
1683 wk->done = ieee80211_offchan_tx_done;
1684 wk->offchan_tx.frame = skb;
1685 wk->offchan_tx.wait = wait;
1686 wk->ie_len = len;
1687 memcpy(wk->ie, buf, len);
1688
1689 ieee80211_add_work(wk);
9d38d85d 1690 return 0;
026331c4
JM		 1691}
1692
f30221e4
JB		 1693static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1694 struct net_device *dev,
1695 u64 cookie)
1696{
1697 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1698 struct ieee80211_local *local = sdata->local;
1699 struct ieee80211_work *wk;
1700 int ret = -ENOENT;
1701
1702 mutex_lock(&local->mtx);
1703 list_for_each_entry(wk, &local->work_list, list) {
1704 if (wk->sdata != sdata)
1705 continue;
1706
1707 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1708 continue;
1709
1710 if (cookie != (unsigned long) wk->offchan_tx.frame)
1711 continue;
1712
1713 wk->timeout = jiffies;
1714
1715 ieee80211_queue_work(&local->hw, &local->work_work);
1716 ret = 0;
1717 break;
1718 }
1719 mutex_unlock(&local->mtx);
1720
1721 return ret;
1722}
1723
7be5086d
JB		 1724static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1725 struct net_device *dev,
1726 u16 frame_type, bool reg)
1727{
1728 struct ieee80211_local *local = wiphy_priv(wiphy);
1729
1730 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1731 return;
1732
1733 if (reg)
1734 local->probe_req_reg++;
1735 else
1736 local->probe_req_reg--;
1737
1738 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1739}
1740
15d96753
BR		 1741static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1742{
1743 struct ieee80211_local *local = wiphy_priv(wiphy);
1744
1745 if (local->started)
1746 return -EOPNOTSUPP;
1747
1748 return drv_set_antenna(local, tx_ant, rx_ant);
1749}
1750
1751static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1752{
1753 struct ieee80211_local *local = wiphy_priv(wiphy);
1754
1755 return drv_get_antenna(local, tx_ant, rx_ant);
1756}
1757
f0706e82
JB		 1758struct cfg80211_ops mac80211_config_ops = {
1759 .add_virtual_intf = ieee80211_add_iface,
1760 .del_virtual_intf = ieee80211_del_iface,
42613db7 1761 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1762 .add_key = ieee80211_add_key,
1763 .del_key = ieee80211_del_key,
62da92fb 1764 .get_key = ieee80211_get_key,
e8cbb4cb 1765 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1766 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1767 .add_beacon = ieee80211_add_beacon,
1768 .set_beacon = ieee80211_set_beacon,
1769 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1770 .add_station = ieee80211_add_station,
1771 .del_station = ieee80211_del_station,
1772 .change_station = ieee80211_change_station,
7bbdd2d9 1773 .get_station = ieee80211_get_station,
c5dd9c2b 1774 .dump_station = ieee80211_dump_station,
1289723e 1775 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 1776#ifdef CONFIG_MAC80211_MESH
1777 .add_mpath = ieee80211_add_mpath,
1778 .del_mpath = ieee80211_del_mpath,
1779 .change_mpath = ieee80211_change_mpath,
1780 .get_mpath = ieee80211_get_mpath,
1781 .dump_mpath = ieee80211_dump_mpath,
29cbe68c 1782 .update_mesh_params = ieee80211_update_mesh_params,
93da9cc1 1783 .get_mesh_params = ieee80211_get_mesh_params,
29cbe68c
JB		 1784 .join_mesh = ieee80211_join_mesh,
1785 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 1786#endif
9f1ba906 1787 .change_bss = ieee80211_change_bss,
31888487 1788 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1789 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1790 .suspend = ieee80211_suspend,
1791 .resume = ieee80211_resume,
2a519311 1792 .scan = ieee80211_scan,
636a5d36
JM		 1793 .auth = ieee80211_auth,
1794 .assoc = ieee80211_assoc,
1795 .deauth = ieee80211_deauth,
1796 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1797 .join_ibss = ieee80211_join_ibss,
1798 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1799 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1800 .set_tx_power = ieee80211_set_tx_power,
1801 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1802 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1803 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1804 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1805 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1806 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1807 .remain_on_channel = ieee80211_remain_on_channel,
1808 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 1809 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 1810 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 1811 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 1812 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 1813 .set_antenna = ieee80211_set_antenna,
1814 .get_antenna = ieee80211_get_antenna,
f0706e82 1815};
Linux kernel - Deliverables
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