]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - net/mac80211/cfg.c
projects / mirror_ubuntu-zesty-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/padovan/blueto...
[mirror_ubuntu-zesty-kernel.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,
dbd2fd65
JB		 298 u8 key_idx, bool uni,
299 bool multi)
e8cbb4cb 300{
ad0e2b5a 301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 302
f7e0104c 303 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 304
305 return 0;
306}
307
3cfcf6ac
JM		 308static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
309 struct net_device *dev,
310 u8 key_idx)
311{
66c52421 312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 313
3cfcf6ac
JM		 314 ieee80211_set_default_mgmt_key(sdata, key_idx);
315
3cfcf6ac
JM		 316 return 0;
317}
318
3af6334c
FF		 319static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
320{
321 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
322 struct ieee80211_supported_band *sband;
323 sband = sta->local->hw.wiphy->bands[
324 sta->local->hw.conf.channel->band];
325 rate->legacy = sband->bitrates[idx].bitrate;
326 } else
327 rate->mcs = idx;
328}
329
c5dd9c2b
LCC		 330static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
331{
d0709a65 332 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 333
f5ea9120
JB		 334 sinfo->generation = sdata->local->sta_generation;
335
c5dd9c2b
LCC		 336 sinfo->filled = STATION_INFO_INACTIVE_TIME |
337 STATION_INFO_RX_BYTES |
420e7fab 338 STATION_INFO_TX_BYTES |
98c8a60a
JM		 339 STATION_INFO_RX_PACKETS |
340 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 341 STATION_INFO_TX_RETRIES |
342 STATION_INFO_TX_FAILED |
5a5c731a 343 STATION_INFO_TX_BITRATE |
3af6334c 344 STATION_INFO_RX_BITRATE |
5a5c731a 345 STATION_INFO_RX_DROP_MISC;
c5dd9c2b
LCC		 346
347 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
348 sinfo->rx_bytes = sta->rx_bytes;
349 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 350 sinfo->rx_packets = sta->rx_packets;
351 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 352 sinfo->tx_retries = sta->tx_retry_count;
353 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 354 sinfo->rx_dropped_misc = sta->rx_dropped;
c5dd9c2b 355
19deffbe
JL		 356 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
357 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 358 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 359 sinfo->signal = (s8)sta->last_signal;
541a45a1 360 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 361 }
362
363 sinfo->txrate.flags = 0;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
369 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
3af6334c
FF		 370 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
371
372 sinfo->rxrate.flags = 0;
373 if (sta->last_rx_rate_flag & RX_FLAG_HT)
374 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
375 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
376 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
377 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
378 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
379 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 380
902acc78 381 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 382#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 383 sinfo->filled |= STATION_INFO_LLID |
384 STATION_INFO_PLID |
385 STATION_INFO_PLINK_STATE;
386
387 sinfo->llid = le16_to_cpu(sta->llid);
388 sinfo->plid = le16_to_cpu(sta->plid);
389 sinfo->plink_state = sta->plink_state;
c5dd9c2b 390#endif
902acc78 391 }
c5dd9c2b
LCC		 392}
393
394
395static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
396 int idx, u8 *mac, struct station_info *sinfo)
397{
3b53fde8 398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 399 struct sta_info *sta;
d0709a65
JB		 400 int ret = -ENOENT;
401
402 rcu_read_lock();
c5dd9c2b 403
3b53fde8 404 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 405 if (sta) {
406 ret = 0;
17741cdc 407 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 408 sta_set_sinfo(sta, sinfo);
409 }
c5dd9c2b 410
d0709a65 411 rcu_read_unlock();
c5dd9c2b 412
d0709a65 413 return ret;
c5dd9c2b
LCC		 414}
415
1289723e
HS		 416static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
417 int idx, struct survey_info *survey)
418{
419 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
420
1289723e
HS		 421 return drv_get_survey(local, idx, survey);
422}
423
7bbdd2d9 424static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 425 u8 *mac, struct station_info *sinfo)
7bbdd2d9 426{
abe60632 427 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 428 struct sta_info *sta;
d0709a65 429 int ret = -ENOENT;
7bbdd2d9 430
d0709a65 431 rcu_read_lock();
7bbdd2d9 432
0e5ded5a 433 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 434 if (sta) {
435 ret = 0;
436 sta_set_sinfo(sta, sinfo);
437 }
438
439 rcu_read_unlock();
440
441 return ret;
7bbdd2d9
JB		 442}
443
5dfdaf58
JB		 444/*
445 * This handles both adding a beacon and setting new beacon info
446 */
447static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
448 struct beacon_parameters *params)
449{
450 struct beacon_data *new, *old;
451 int new_head_len, new_tail_len;
452 int size;
453 int err = -EINVAL;
454
455 old = sdata->u.ap.beacon;
456
457 /* head must not be zero-length */
458 if (params->head && !params->head_len)
459 return -EINVAL;
460
461 /*
462 * This is a kludge. beacon interval should really be part
463 * of the beacon information.
464 */
57c4d7b4
JB		 465 if (params->interval &&
466 (sdata->vif.bss_conf.beacon_int != params->interval)) {
467 sdata->vif.bss_conf.beacon_int = params->interval;
468 ieee80211_bss_info_change_notify(sdata,
469 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 470 }
471
472 /* Need to have a beacon head if we don't have one yet */
473 if (!params->head && !old)
474 return err;
475
476 /* sorry, no way to start beaconing without dtim period */
477 if (!params->dtim_period && !old)
478 return err;
479
480 /* new or old head? */
481 if (params->head)
482 new_head_len = params->head_len;
483 else
484 new_head_len = old->head_len;
485
486 /* new or old tail? */
487 if (params->tail || !old)
488 /* params->tail_len will be zero for !params->tail */
489 new_tail_len = params->tail_len;
490 else
491 new_tail_len = old->tail_len;
492
493 size = sizeof(*new) + new_head_len + new_tail_len;
494
495 new = kzalloc(size, GFP_KERNEL);
496 if (!new)
497 return -ENOMEM;
498
499 /* start filling the new info now */
500
501 /* new or old dtim period? */
502 if (params->dtim_period)
503 new->dtim_period = params->dtim_period;
504 else
505 new->dtim_period = old->dtim_period;
506
507 /*
508 * pointers go into the block we allocated,
509 * memory is | beacon_data | head | tail |
510 */
511 new->head = ((u8 *) new) + sizeof(*new);
512 new->tail = new->head + new_head_len;
513 new->head_len = new_head_len;
514 new->tail_len = new_tail_len;
515
516 /* copy in head */
517 if (params->head)
518 memcpy(new->head, params->head, new_head_len);
519 else
520 memcpy(new->head, old->head, new_head_len);
521
522 /* copy in optional tail */
523 if (params->tail)
524 memcpy(new->tail, params->tail, new_tail_len);
525 else
526 if (old)
527 memcpy(new->tail, old->tail, new_tail_len);
528
19885c4f
JB		 529 sdata->vif.bss_conf.dtim_period = new->dtim_period;
530
5dfdaf58
JB		 531 rcu_assign_pointer(sdata->u.ap.beacon, new);
532
533 synchronize_rcu();
534
535 kfree(old);
536
2d0ddec5
JB		 537 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
538 BSS_CHANGED_BEACON);
539 return 0;
5dfdaf58
JB		 540}
541
542static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
543 struct beacon_parameters *params)
544{
14db74bc 545 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 546 struct beacon_data *old;
547
14db74bc
JB		 548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
549
5dfdaf58
JB		 550 old = sdata->u.ap.beacon;
551
552 if (old)
553 return -EALREADY;
554
555 return ieee80211_config_beacon(sdata, params);
556}
557
558static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
559 struct beacon_parameters *params)
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 return ieee80211_config_beacon(sdata, params);
572}
573
574static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
575{
14db74bc 576 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 577 struct beacon_data *old;
578
14db74bc
JB		 579 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
580
5dfdaf58
JB		 581 old = sdata->u.ap.beacon;
582
583 if (!old)
584 return -ENOENT;
585
586 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
587 synchronize_rcu();
588 kfree(old);
589
2d0ddec5
JB		 590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
591 return 0;
5dfdaf58
JB		 592}
593
4fd6931e
JB		 594/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
595struct iapp_layer2_update {
596 u8 da[ETH_ALEN]; /* broadcast */
597 u8 sa[ETH_ALEN]; /* STA addr */
598 __be16 len; /* 6 */
599 u8 dsap; /* 0 */
600 u8 ssap; /* 0 */
601 u8 control;
602 u8 xid_info[3];
bc10502d 603} __packed;
4fd6931e
JB		 604
605static void ieee80211_send_layer2_update(struct sta_info *sta)
606{
607 struct iapp_layer2_update *msg;
608 struct sk_buff *skb;
609
610 /* Send Level 2 Update Frame to update forwarding tables in layer 2
611 * bridge devices */
612
613 skb = dev_alloc_skb(sizeof(*msg));
614 if (!skb)
615 return;
616 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
617
618 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
619 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
620
621 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 622 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 623 msg->len = htons(6);
624 msg->dsap = 0;
625 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
626 msg->control = 0xaf; /* XID response lsb.1111F101.
627 * F=0 (no poll command; unsolicited frame) */
628 msg->xid_info[0] = 0x81; /* XID format identifier */
629 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
630 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
631
d0709a65
JB		 632 skb->dev = sta->sdata->dev;
633 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 634 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 635 netif_rx_ni(skb);
4fd6931e
JB		 636}
637
638static void sta_apply_parameters(struct ieee80211_local *local,
639 struct sta_info *sta,
640 struct station_parameters *params)
641{
f5521b13 642 unsigned long flags;
4fd6931e
JB		 643 u32 rates;
644 int i, j;
8318d78a 645 struct ieee80211_supported_band *sband;
d0709a65 646 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 647 u32 mask, set;
4fd6931e 648
ae5eb026
JB		 649 sband = local->hw.wiphy->bands[local->oper_channel->band];
650
f5521b13 651 spin_lock_irqsave(&sta->flaglock, flags);
eccb8e8f
JB		 652 mask = params->sta_flags_mask;
653 set = params->sta_flags_set;
73651ee6 654
eccb8e8f 655 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 656 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 657 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 658 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 659 }
4fd6931e 660
eccb8e8f 661 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 662 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 663 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 664 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 665 }
4fd6931e 666
eccb8e8f 667 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 668 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 669 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 670 sta->flags |= WLAN_STA_WME;
eccb8e8f 671 }
5394af4d 672
eccb8e8f 673 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 674 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 675 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 676 sta->flags |= WLAN_STA_MFP;
4fd6931e 677 }
f5521b13 678 spin_unlock_irqrestore(&sta->flaglock, flags);
4fd6931e 679
51b50fbe
JB		 680 /*
681 * cfg80211 validates this (1-2007) and allows setting the AID
682 * only when creating a new station entry
683 */
684 if (params->aid)
685 sta->sta.aid = params->aid;
686
73651ee6
JB		 687 /*
688 * FIXME: updating the following information is racy when this
689 * function is called from ieee80211_change_station().
690 * However, all this information should be static so
691 * maybe we should just reject attemps to change it.
692 */
693
4fd6931e
JB		 694 if (params->listen_interval >= 0)
695 sta->listen_interval = params->listen_interval;
696
697 if (params->supported_rates) {
698 rates = 0;
8318d78a 699
4fd6931e
JB		 700 for (i = 0; i < params->supported_rates_len; i++) {
701 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 702 for (j = 0; j < sband->n_bitrates; j++) {
703 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 704 rates |= BIT(j);
705 }
706 }
323ce79a 707 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 708 }
c5dd9c2b 709
d9fe60de 710 if (params->ht_capa)
ae5eb026
JB		 711 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
712 params->ht_capa,
d9fe60de 713 &sta->sta.ht_cap);
36aedc90 714
902acc78 715 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 716 switch (params->plink_action) {
717 case PLINK_ACTION_OPEN:
718 mesh_plink_open(sta);
719 break;
720 case PLINK_ACTION_BLOCK:
721 mesh_plink_block(sta);
722 break;
723 }
902acc78 724 }
4fd6931e
JB		 725}
726
727static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
728 u8 *mac, struct station_parameters *params)
729{
14db74bc 730 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 731 struct sta_info *sta;
732 struct ieee80211_sub_if_data *sdata;
73651ee6 733 int err;
b8d476c8 734 int layer2_update;
4fd6931e 735
4fd6931e
JB		 736 if (params->vlan) {
737 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
738
05c914fe
JB		 739 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
740 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 741 return -EINVAL;
742 } else
743 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
744
47846c9b 745 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 746 return -EINVAL;
747
748 if (is_multicast_ether_addr(mac))
749 return -EINVAL;
750
751 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 752 if (!sta)
753 return -ENOMEM;
4fd6931e
JB		 754
755 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
756
757 sta_apply_parameters(local, sta, params);
758
4b7679a5 759 rate_control_rate_init(sta);
4fd6931e 760
b8d476c8
JM		 761 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
762 sdata->vif.type == NL80211_IFTYPE_AP;
763
34e89507 764 err = sta_info_insert_rcu(sta);
73651ee6 765 if (err) {
73651ee6
JB		 766 rcu_read_unlock();
767 return err;
768 }
769
b8d476c8 770 if (layer2_update)
73651ee6
JB		 771 ieee80211_send_layer2_update(sta);
772
773 rcu_read_unlock();
774
4fd6931e
JB		 775 return 0;
776}
777
778static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
779 u8 *mac)
780{
14db74bc
JB		 781 struct ieee80211_local *local = wiphy_priv(wiphy);
782 struct ieee80211_sub_if_data *sdata;
4fd6931e 783
14db74bc
JB		 784 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
785
34e89507
JB		 786 if (mac)
787 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 788
34e89507 789 sta_info_flush(local, sdata);
4fd6931e
JB		 790 return 0;
791}
792
793static int ieee80211_change_station(struct wiphy *wiphy,
794 struct net_device *dev,
795 u8 *mac,
796 struct station_parameters *params)
797{
abe60632 798 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 799 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 800 struct sta_info *sta;
801 struct ieee80211_sub_if_data *vlansdata;
802
98dd6a57
JB		 803 rcu_read_lock();
804
0e5ded5a 805 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 806 if (!sta) {
807 rcu_read_unlock();
4fd6931e 808 return -ENOENT;
98dd6a57 809 }
4fd6931e 810
d0709a65 811 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 812 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
813
05c914fe
JB		 814 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
815 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 816 rcu_read_unlock();
4fd6931e 817 return -EINVAL;
98dd6a57 818 }
4fd6931e 819
9bc383de 820 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 821 if (vlansdata->u.vlan.sta) {
822 rcu_read_unlock();
f14543ee 823 return -EBUSY;
3305443c 824 }
f14543ee
FF		 825
826 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
827 }
828
14db74bc 829 sta->sdata = vlansdata;
4fd6931e
JB		 830 ieee80211_send_layer2_update(sta);
831 }
832
833 sta_apply_parameters(local, sta, params);
834
98dd6a57
JB		 835 rcu_read_unlock();
836
808118cb
JY		 837 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
838 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
839 ieee80211_recalc_ps(local, -1);
840
4fd6931e
JB		 841 return 0;
842}
843
c5dd9c2b
LCC		 844#ifdef CONFIG_MAC80211_MESH
845static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
846 u8 *dst, u8 *next_hop)
847{
14db74bc 848 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 849 struct mesh_path *mpath;
850 struct sta_info *sta;
851 int err;
852
14db74bc
JB		 853 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
854
d0709a65 855 rcu_read_lock();
abe60632 856 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 857 if (!sta) {
858 rcu_read_unlock();
c5dd9c2b 859 return -ENOENT;
d0709a65 860 }
c5dd9c2b 861
f698d856 862 err = mesh_path_add(dst, sdata);
d0709a65
JB		 863 if (err) {
864 rcu_read_unlock();
c5dd9c2b 865 return err;
d0709a65 866 }
c5dd9c2b 867
f698d856 868 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 869 if (!mpath) {
870 rcu_read_unlock();
c5dd9c2b
LCC		 871 return -ENXIO;
872 }
873 mesh_path_fix_nexthop(mpath, sta);
d0709a65 874
c5dd9c2b
LCC		 875 rcu_read_unlock();
876 return 0;
877}
878
879static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
880 u8 *dst)
881{
f698d856
JBG		 882 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
883
c5dd9c2b 884 if (dst)
f698d856 885 return mesh_path_del(dst, sdata);
c5dd9c2b 886
f698d856 887 mesh_path_flush(sdata);
c5dd9c2b
LCC		 888 return 0;
889}
890
891static int ieee80211_change_mpath(struct wiphy *wiphy,
892 struct net_device *dev,
893 u8 *dst, u8 *next_hop)
894{
14db74bc 895 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 896 struct mesh_path *mpath;
897 struct sta_info *sta;
898
14db74bc
JB		 899 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
900
d0709a65
JB		 901 rcu_read_lock();
902
abe60632 903 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 904 if (!sta) {
905 rcu_read_unlock();
c5dd9c2b 906 return -ENOENT;
d0709a65 907 }
c5dd9c2b 908
f698d856 909 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 910 if (!mpath) {
911 rcu_read_unlock();
c5dd9c2b
LCC		 912 return -ENOENT;
913 }
914
915 mesh_path_fix_nexthop(mpath, sta);
d0709a65 916
c5dd9c2b
LCC		 917 rcu_read_unlock();
918 return 0;
919}
920
921static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
922 struct mpath_info *pinfo)
923{
924 if (mpath->next_hop)
17741cdc 925 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 926 else
927 memset(next_hop, 0, ETH_ALEN);
928
f5ea9120
JB		 929 pinfo->generation = mesh_paths_generation;
930
c5dd9c2b 931 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 932 MPATH_INFO_SN |
c5dd9c2b
LCC		 933 MPATH_INFO_METRIC |
934 MPATH_INFO_EXPTIME |
935 MPATH_INFO_DISCOVERY_TIMEOUT |
936 MPATH_INFO_DISCOVERY_RETRIES |
937 MPATH_INFO_FLAGS;
938
939 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 940 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 941 pinfo->metric = mpath->metric;
942 if (time_before(jiffies, mpath->exp_time))
943 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
944 pinfo->discovery_timeout =
945 jiffies_to_msecs(mpath->discovery_timeout);
946 pinfo->discovery_retries = mpath->discovery_retries;
947 pinfo->flags = 0;
948 if (mpath->flags & MESH_PATH_ACTIVE)
949 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
950 if (mpath->flags & MESH_PATH_RESOLVING)
951 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 952 if (mpath->flags & MESH_PATH_SN_VALID)
953 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 954 if (mpath->flags & MESH_PATH_FIXED)
955 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
956 if (mpath->flags & MESH_PATH_RESOLVING)
957 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
958
959 pinfo->flags = mpath->flags;
960}
961
962static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
963 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
964
965{
14db74bc 966 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 967 struct mesh_path *mpath;
968
14db74bc
JB		 969 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
970
c5dd9c2b 971 rcu_read_lock();
f698d856 972 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 973 if (!mpath) {
974 rcu_read_unlock();
975 return -ENOENT;
976 }
977 memcpy(dst, mpath->dst, ETH_ALEN);
978 mpath_set_pinfo(mpath, next_hop, pinfo);
979 rcu_read_unlock();
980 return 0;
981}
982
983static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
984 int idx, u8 *dst, u8 *next_hop,
985 struct mpath_info *pinfo)
986{
14db74bc 987 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 988 struct mesh_path *mpath;
989
14db74bc
JB		 990 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
991
c5dd9c2b 992 rcu_read_lock();
f698d856 993 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 994 if (!mpath) {
995 rcu_read_unlock();
996 return -ENOENT;
997 }
998 memcpy(dst, mpath->dst, ETH_ALEN);
999 mpath_set_pinfo(mpath, next_hop, pinfo);
1000 rcu_read_unlock();
1001 return 0;
1002}
93da9cc1 1003
24bdd9f4 1004static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1005 struct net_device *dev,
1006 struct mesh_config *conf)
1007{
1008 struct ieee80211_sub_if_data *sdata;
1009 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010
93da9cc1 1011 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1012 return 0;
1013}
1014
1015static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1016{
1017 return (mask >> (parm-1)) & 0x1;
1018}
1019
c80d545d
JC		 1020static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1021 const struct mesh_setup *setup)
1022{
1023 u8 *new_ie;
1024 const u8 *old_ie;
1025
1026 /* first allocate the new vendor information element */
1027 new_ie = NULL;
1028 old_ie = ifmsh->vendor_ie;
1029
1030 ifmsh->vendor_ie_len = setup->vendor_ie_len;
1031 if (setup->vendor_ie_len) {
1032 new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len,
1033 GFP_KERNEL);
1034 if (!new_ie)
1035 return -ENOMEM;
1036 }
1037
1038 /* now copy the rest of the setup parameters */
1039 ifmsh->mesh_id_len = setup->mesh_id_len;
1040 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1041 ifmsh->mesh_pp_id = setup->path_sel_proto;
1042 ifmsh->mesh_pm_id = setup->path_metric;
1043 ifmsh->vendor_ie = new_ie;
1044
1045 kfree(old_ie);
1046
1047 return 0;
1048}
1049
24bdd9f4 1050static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1051 struct net_device *dev, u32 mask,
1052 const struct mesh_config *nconf)
93da9cc1 1053{
1054 struct mesh_config *conf;
1055 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1056 struct ieee80211_if_mesh *ifmsh;
1057
93da9cc1 1058 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1059 ifmsh = &sdata->u.mesh;
93da9cc1 1060
93da9cc1 1061 /* Set the config options which we are interested in setting */
1062 conf = &(sdata->u.mesh.mshcfg);
1063 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1064 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1065 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1066 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1067 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1068 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1069 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1070 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1071 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1072 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1073 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1074 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1075 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1076 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1077 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1078 conf->auto_open_plinks = nconf->auto_open_plinks;
1079 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1080 conf->dot11MeshHWMPmaxPREQretries =
1081 nconf->dot11MeshHWMPmaxPREQretries;
1082 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1083 conf->path_refresh_time = nconf->path_refresh_time;
1084 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1085 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1086 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1087 conf->dot11MeshHWMPactivePathTimeout =
1088 nconf->dot11MeshHWMPactivePathTimeout;
1089 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1090 conf->dot11MeshHWMPpreqMinInterval =
1091 nconf->dot11MeshHWMPpreqMinInterval;
1092 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1093 mask))
1094 conf->dot11MeshHWMPnetDiameterTraversalTime =
1095 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1096 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1097 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1098 ieee80211_mesh_root_setup(ifmsh);
1099 }
93da9cc1 1100 return 0;
1101}
1102
29cbe68c
JB		 1103static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1104 const struct mesh_config *conf,
1105 const struct mesh_setup *setup)
1106{
1107 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1108 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1109 int err;
29cbe68c 1110
c80d545d
JC		 1111 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1112 err = copy_mesh_setup(ifmsh, setup);
1113 if (err)
1114 return err;
29cbe68c
JB		 1115 ieee80211_start_mesh(sdata);
1116
1117 return 0;
1118}
1119
1120static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1121{
1122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1123
1124 ieee80211_stop_mesh(sdata);
1125
1126 return 0;
1127}
c5dd9c2b
LCC		 1128#endif
1129
9f1ba906
JM		 1130static int ieee80211_change_bss(struct wiphy *wiphy,
1131 struct net_device *dev,
1132 struct bss_parameters *params)
1133{
9f1ba906
JM		 1134 struct ieee80211_sub_if_data *sdata;
1135 u32 changed = 0;
1136
9f1ba906
JM		 1137 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1138
9f1ba906 1139 if (params->use_cts_prot >= 0) {
bda3933a 1140 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1141 changed |= BSS_CHANGED_ERP_CTS_PROT;
1142 }
1143 if (params->use_short_preamble >= 0) {
bda3933a 1144 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1145 params->use_short_preamble;
1146 changed |= BSS_CHANGED_ERP_PREAMBLE;
1147 }
43d35343
FF		 1148
1149 if (!sdata->vif.bss_conf.use_short_slot &&
1150 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1151 sdata->vif.bss_conf.use_short_slot = true;
1152 changed |= BSS_CHANGED_ERP_SLOT;
1153 }
1154
9f1ba906 1155 if (params->use_short_slot_time >= 0) {
bda3933a 1156 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1157 params->use_short_slot_time;
1158 changed |= BSS_CHANGED_ERP_SLOT;
1159 }
1160
90c97a04
JM		 1161 if (params->basic_rates) {
1162 int i, j;
1163 u32 rates = 0;
1164 struct ieee80211_local *local = wiphy_priv(wiphy);
1165 struct ieee80211_supported_band *sband =
1166 wiphy->bands[local->oper_channel->band];
1167
1168 for (i = 0; i < params->basic_rates_len; i++) {
1169 int rate = (params->basic_rates[i] & 0x7f) * 5;
1170 for (j = 0; j < sband->n_bitrates; j++) {
1171 if (sband->bitrates[j].bitrate == rate)
1172 rates |= BIT(j);
1173 }
1174 }
1175 sdata->vif.bss_conf.basic_rates = rates;
1176 changed |= BSS_CHANGED_BASIC_RATES;
1177 }
1178
7b7b5e56
FF		 1179 if (params->ap_isolate >= 0) {
1180 if (params->ap_isolate)
1181 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1182 else
1183 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1184 }
1185
80d7e403
HS		 1186 if (params->ht_opmode >= 0) {
1187 sdata->vif.bss_conf.ht_operation_mode =
1188 (u16) params->ht_opmode;
1189 changed |= BSS_CHANGED_HT;
1190 }
1191
9f1ba906
JM		 1192 ieee80211_bss_info_change_notify(sdata, changed);
1193
1194 return 0;
1195}
1196
31888487
JM		 1197static int ieee80211_set_txq_params(struct wiphy *wiphy,
1198 struct ieee80211_txq_params *params)
1199{
1200 struct ieee80211_local *local = wiphy_priv(wiphy);
1201 struct ieee80211_tx_queue_params p;
1202
1203 if (!local->ops->conf_tx)
1204 return -EOPNOTSUPP;
1205
1206 memset(&p, 0, sizeof(p));
1207 p.aifs = params->aifs;
1208 p.cw_max = params->cwmax;
1209 p.cw_min = params->cwmin;
1210 p.txop = params->txop;
ab13315a
KV		 1211
1212 /*
1213 * Setting tx queue params disables u-apsd because it's only
1214 * called in master mode.
1215 */
1216 p.uapsd = false;
1217
24487981 1218 if (drv_conf_tx(local, params->queue, &p)) {
0fb9a9ec
JP		 1219 wiphy_debug(local->hw.wiphy,
1220 "failed to set TX queue parameters for queue %d\n",
1221 params->queue);
31888487
JM		 1222 return -EINVAL;
1223 }
1224
1225 return 0;
1226}
1227
72bdcf34 1228static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1229 struct net_device *netdev,
72bdcf34 1230 struct ieee80211_channel *chan,
094d05dc 1231 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1232{
1233 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b 1234 struct ieee80211_sub_if_data *sdata = NULL;
eeabee7e
BG		 1235 struct ieee80211_channel *old_oper;
1236 enum nl80211_channel_type old_oper_type;
1237 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
0aaffa9b
JB		 1238
1239 if (netdev)
1240 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1241
f444de05
JB		 1242 switch (ieee80211_get_channel_mode(local, NULL)) {
1243 case CHAN_MODE_HOPPING:
1244 return -EBUSY;
1245 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1246 if (local->oper_channel != chan)
1247 return -EBUSY;
1248 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1249 return 0;
0aaffa9b 1250 break;
f444de05
JB		 1251 case CHAN_MODE_UNDEFINED:
1252 break;
1253 }
72bdcf34 1254
eeabee7e
BG		 1255 if (sdata)
1256 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1257 old_oper_type = local->_oper_channel_type;
72bdcf34 1258
0aaffa9b
JB		 1259 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1260 return -EBUSY;
1261
eeabee7e
BG		 1262 old_oper = local->oper_channel;
1263 local->oper_channel = chan;
1264
1265 /* Update driver if changes were actually made. */
1266 if ((old_oper != local->oper_channel) ||
1267 (old_oper_type != local->_oper_channel_type))
1268 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1269
1270 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
1271 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
0aaffa9b
JB		 1272 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1273
1274 return 0;
72bdcf34
JM		 1275}
1276
665af4fc
BC		 1277#ifdef CONFIG_PM
1278static int ieee80211_suspend(struct wiphy *wiphy)
1279{
1280 return __ieee80211_suspend(wiphy_priv(wiphy));
1281}
1282
1283static int ieee80211_resume(struct wiphy *wiphy)
1284{
1285 return __ieee80211_resume(wiphy_priv(wiphy));
1286}
1287#else
1288#define ieee80211_suspend NULL
1289#define ieee80211_resume NULL
1290#endif
1291
2a519311
JB		 1292static int ieee80211_scan(struct wiphy *wiphy,
1293 struct net_device *dev,
1294 struct cfg80211_scan_request *req)
1295{
2ca27bcf 1296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1297
2ca27bcf
JB		 1298 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1299 case NL80211_IFTYPE_STATION:
1300 case NL80211_IFTYPE_ADHOC:
1301 case NL80211_IFTYPE_MESH_POINT:
1302 case NL80211_IFTYPE_P2P_CLIENT:
1303 break;
1304 case NL80211_IFTYPE_P2P_GO:
1305 if (sdata->local->ops->hw_scan)
1306 break;
e9d7732e
JB		 1307 /*
1308 * FIXME: implement NoA while scanning in software,
1309 * for now fall through to allow scanning only when
1310 * beaconing hasn't been configured yet
1311 */
2ca27bcf
JB		 1312 case NL80211_IFTYPE_AP:
1313 if (sdata->u.ap.beacon)
1314 return -EOPNOTSUPP;
1315 break;
1316 default:
1317 return -EOPNOTSUPP;
1318 }
2a519311
JB		 1319
1320 return ieee80211_request_scan(sdata, req);
1321}
1322
636a5d36
JM		 1323static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1324 struct cfg80211_auth_request *req)
1325{
77fdaa12 1326 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1327}
1328
1329static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1330 struct cfg80211_assoc_request *req)
1331{
f444de05
JB		 1332 struct ieee80211_local *local = wiphy_priv(wiphy);
1333 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1334
1335 switch (ieee80211_get_channel_mode(local, sdata)) {
1336 case CHAN_MODE_HOPPING:
1337 return -EBUSY;
1338 case CHAN_MODE_FIXED:
1339 if (local->oper_channel == req->bss->channel)
1340 break;
1341 return -EBUSY;
1342 case CHAN_MODE_UNDEFINED:
1343 break;
1344 }
1345
77fdaa12 1346 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1347}
1348
1349static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1350 struct cfg80211_deauth_request *req,
1351 void *cookie)
636a5d36 1352{
667503dd
JB		 1353 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1354 req, cookie);
636a5d36
JM		 1355}
1356
1357static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1358 struct cfg80211_disassoc_request *req,
1359 void *cookie)
636a5d36 1360{
667503dd
JB		 1361 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1362 req, cookie);
636a5d36
JM		 1363}
1364
af8cdcd8
JB		 1365static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1366 struct cfg80211_ibss_params *params)
1367{
f444de05 1368 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1369 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1370
f444de05
JB		 1371 switch (ieee80211_get_channel_mode(local, sdata)) {
1372 case CHAN_MODE_HOPPING:
1373 return -EBUSY;
1374 case CHAN_MODE_FIXED:
1375 if (!params->channel_fixed)
1376 return -EBUSY;
1377 if (local->oper_channel == params->channel)
1378 break;
1379 return -EBUSY;
1380 case CHAN_MODE_UNDEFINED:
1381 break;
1382 }
1383
af8cdcd8
JB		 1384 return ieee80211_ibss_join(sdata, params);
1385}
1386
1387static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1388{
1389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1390
1391 return ieee80211_ibss_leave(sdata);
1392}
1393
b9a5f8ca
JM		 1394static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1395{
1396 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1397 int err;
b9a5f8ca 1398
f23a4780
AN		 1399 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1400 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1401
1402 if (err)
1403 return err;
1404 }
1405
310bc676
LT		 1406 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1407 err = drv_set_coverage_class(local, wiphy->coverage_class);
1408
1409 if (err)
1410 return err;
1411 }
1412
b9a5f8ca 1413 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1414 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1415
24487981
JB		 1416 if (err)
1417 return err;
b9a5f8ca
JM		 1418 }
1419
1420 if (changed & WIPHY_PARAM_RETRY_SHORT)
1421 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1422 if (changed & WIPHY_PARAM_RETRY_LONG)
1423 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1424 if (changed &
1425 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1426 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1427
1428 return 0;
1429}
1430
7643a2c3 1431static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1432 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1433{
1434 struct ieee80211_local *local = wiphy_priv(wiphy);
1435 struct ieee80211_channel *chan = local->hw.conf.channel;
1436 u32 changes = 0;
7643a2c3
JB		 1437
1438 switch (type) {
fa61cf70 1439 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1440 local->user_power_level = -1;
1441 break;
fa61cf70
JO		 1442 case NL80211_TX_POWER_LIMITED:
1443 if (mbm < 0 || (mbm % 100))
1444 return -EOPNOTSUPP;
1445 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1446 break;
fa61cf70
JO		 1447 case NL80211_TX_POWER_FIXED:
1448 if (mbm < 0 || (mbm % 100))
1449 return -EOPNOTSUPP;
7643a2c3 1450 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1451 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1452 return -EINVAL;
fa61cf70 1453 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1454 break;
7643a2c3
JB		 1455 }
1456
1457 ieee80211_hw_config(local, changes);
1458
1459 return 0;
1460}
1461
1462static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1463{
1464 struct ieee80211_local *local = wiphy_priv(wiphy);
1465
1466 *dbm = local->hw.conf.power_level;
1467
7643a2c3
JB		 1468 return 0;
1469}
1470
ab737a4f 1471static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1472 const u8 *addr)
ab737a4f
JB		 1473{
1474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1475
1476 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1477
1478 return 0;
1479}
1480
1f87f7d3
JB		 1481static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1482{
1483 struct ieee80211_local *local = wiphy_priv(wiphy);
1484
1485 drv_rfkill_poll(local);
1486}
1487
aff89a9b 1488#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1489static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1490{
1491 struct ieee80211_local *local = wiphy_priv(wiphy);
1492
1493 if (!local->ops->testmode_cmd)
1494 return -EOPNOTSUPP;
1495
1496 return local->ops->testmode_cmd(&local->hw, data, len);
1497}
1498#endif
1499
0f78231b
JB		 1500int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1501 enum ieee80211_smps_mode smps_mode)
1502{
1503 const u8 *ap;
1504 enum ieee80211_smps_mode old_req;
1505 int err;
1506
1507 old_req = sdata->u.mgd.req_smps;
1508 sdata->u.mgd.req_smps = smps_mode;
1509
1510 if (old_req == smps_mode &&
1511 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1512 return 0;
1513
1514 /*
1515 * If not associated, or current association is not an HT
1516 * association, there's no need to send an action frame.
1517 */
1518 if (!sdata->u.mgd.associated ||
0aaffa9b 1519 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1520 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1521 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1522 mutex_unlock(&sdata->local->iflist_mtx);
1523 return 0;
1524 }
1525
0c1ad2ca 1526 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1527
1528 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1529 if (sdata->u.mgd.powersave)
1530 smps_mode = IEEE80211_SMPS_DYNAMIC;
1531 else
1532 smps_mode = IEEE80211_SMPS_OFF;
1533 }
1534
1535 /* send SM PS frame to AP */
1536 err = ieee80211_send_smps_action(sdata, smps_mode,
1537 ap, ap);
1538 if (err)
1539 sdata->u.mgd.req_smps = old_req;
1540
1541 return err;
1542}
1543
bc92afd9
JB		 1544static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1545 bool enabled, int timeout)
1546{
1547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1548 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1549
e5de30c9
BP		 1550 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1551 return -EOPNOTSUPP;
1552
bc92afd9
JB		 1553 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1554 return -EOPNOTSUPP;
1555
1556 if (enabled == sdata->u.mgd.powersave &&
ff616381 1557 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 1558 return 0;
1559
1560 sdata->u.mgd.powersave = enabled;
ff616381 1561 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1562
0f78231b
JB		 1563 /* no change, but if automatic follow powersave */
1564 mutex_lock(&sdata->u.mgd.mtx);
1565 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1566 mutex_unlock(&sdata->u.mgd.mtx);
1567
bc92afd9
JB		 1568 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1569 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1570
1571 ieee80211_recalc_ps(local, -1);
1572
1573 return 0;
1574}
1575
a97c13c3
JO		 1576static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1577 struct net_device *dev,
1578 s32 rssi_thold, u32 rssi_hyst)
1579{
1580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1581 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1582 struct ieee80211_vif *vif = &sdata->vif;
1583 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1584
a97c13c3
JO		 1585 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1586 rssi_hyst == bss_conf->cqm_rssi_hyst)
1587 return 0;
1588
1589 bss_conf->cqm_rssi_thold = rssi_thold;
1590 bss_conf->cqm_rssi_hyst = rssi_hyst;
1591
17e4ec14
JM		 1592 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1593 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1594 return -EOPNOTSUPP;
1595 return 0;
1596 }
1597
a97c13c3
JO		 1598 /* tell the driver upon association, unless already associated */
1599 if (sdata->u.mgd.associated)
1600 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1601
1602 return 0;
1603}
1604
9930380f
JB		 1605static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1606 struct net_device *dev,
1607 const u8 *addr,
1608 const struct cfg80211_bitrate_mask *mask)
1609{
1610 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1611 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1612 int i;
9930380f 1613
2c7e6bc9
JB		 1614 /*
1615 * This _could_ be supported by providing a hook for
1616 * drivers for this function, but at this point it
1617 * doesn't seem worth bothering.
1618 */
1619 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1620 return -EOPNOTSUPP;
1621
9930380f 1622
37eb0b16
JM		 1623 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1624 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1625
37eb0b16 1626 return 0;
9930380f
JB		 1627}
1628
21f83589
JB		 1629static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1630 struct net_device *dev,
1631 struct ieee80211_channel *chan,
1632 enum nl80211_channel_type chantype,
1633 unsigned int duration, u64 *cookie)
1634{
1635 int ret;
1636 u32 random_cookie;
1637
1638 lockdep_assert_held(&local->mtx);
1639
1640 if (local->hw_roc_cookie)
1641 return -EBUSY;
1642 /* must be nonzero */
1643 random_cookie = random32() | 1;
1644
1645 *cookie = random_cookie;
1646 local->hw_roc_dev = dev;
1647 local->hw_roc_cookie = random_cookie;
1648 local->hw_roc_channel = chan;
1649 local->hw_roc_channel_type = chantype;
1650 local->hw_roc_duration = duration;
1651 ret = drv_remain_on_channel(local, chan, chantype, duration);
1652 if (ret) {
1653 local->hw_roc_channel = NULL;
1654 local->hw_roc_cookie = 0;
1655 }
1656
1657 return ret;
1658}
1659
b8bc4b0a
JB		 1660static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1661 struct net_device *dev,
1662 struct ieee80211_channel *chan,
1663 enum nl80211_channel_type channel_type,
1664 unsigned int duration,
1665 u64 *cookie)
1666{
1667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 1668 struct ieee80211_local *local = sdata->local;
1669
1670 if (local->ops->remain_on_channel) {
1671 int ret;
1672
1673 mutex_lock(&local->mtx);
1674 ret = ieee80211_remain_on_channel_hw(local, dev,
1675 chan, channel_type,
1676 duration, cookie);
90fc4b3a 1677 local->hw_roc_for_tx = false;
21f83589
JB		 1678 mutex_unlock(&local->mtx);
1679
1680 return ret;
1681 }
b8bc4b0a
JB		 1682
1683 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1684 duration, cookie);
1685}
1686
21f83589
JB		 1687static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1688 u64 cookie)
1689{
1690 int ret;
1691
1692 lockdep_assert_held(&local->mtx);
1693
1694 if (local->hw_roc_cookie != cookie)
1695 return -ENOENT;
1696
1697 ret = drv_cancel_remain_on_channel(local);
1698 if (ret)
1699 return ret;
1700
1701 local->hw_roc_cookie = 0;
1702 local->hw_roc_channel = NULL;
1703
1704 ieee80211_recalc_idle(local);
1705
1706 return 0;
1707}
1708
b8bc4b0a
JB		 1709static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1710 struct net_device *dev,
1711 u64 cookie)
1712{
1713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 1714 struct ieee80211_local *local = sdata->local;
1715
1716 if (local->ops->cancel_remain_on_channel) {
1717 int ret;
1718
1719 mutex_lock(&local->mtx);
1720 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1721 mutex_unlock(&local->mtx);
1722
1723 return ret;
1724 }
b8bc4b0a
JB		 1725
1726 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1727}
1728
f30221e4
JB		 1729static enum work_done_result
1730ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1731{
1732 /*
1733 * Use the data embedded in the work struct for reporting
1734 * here so if the driver mangled the SKB before dropping
1735 * it (which is the only way we really should get here)
1736 * then we don't report mangled data.
1737 *
1738 * If there was no wait time, then by the time we get here
1739 * the driver will likely not have reported the status yet,
1740 * so in that case userspace will have to deal with it.
1741 */
1742
1743 if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1744 cfg80211_mgmt_tx_status(wk->sdata->dev,
1745 (unsigned long) wk->offchan_tx.frame,
1746 wk->ie, wk->ie_len, false, GFP_KERNEL);
1747
1748 return WORK_DONE_DESTROY;
1749}
1750
2e161f78 1751static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 1752 struct ieee80211_channel *chan, bool offchan,
2e161f78 1753 enum nl80211_channel_type channel_type,
f7ca38df 1754 bool channel_type_valid, unsigned int wait,
2e161f78 1755 const u8 *buf, size_t len, u64 *cookie)
026331c4 1756{
9d38d85d
JB		 1757 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1758 struct ieee80211_local *local = sdata->local;
1759 struct sk_buff *skb;
1760 struct sta_info *sta;
f30221e4 1761 struct ieee80211_work *wk;
9d38d85d
JB		 1762 const struct ieee80211_mgmt *mgmt = (void *)buf;
1763 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1764 IEEE80211_TX_CTL_REQ_TX_STATUS;
f30221e4 1765 bool is_offchan = false;
f7ca38df 1766
9d38d85d
JB		 1767 /* Check that we are on the requested channel for transmission */
1768 if (chan != local->tmp_channel &&
1769 chan != local->oper_channel)
f30221e4 1770 is_offchan = true;
9d38d85d
JB		 1771 if (channel_type_valid &&
1772 (channel_type != local->tmp_channel_type &&
1773 channel_type != local->_oper_channel_type))
f30221e4
JB		 1774 is_offchan = true;
1775
21f83589
JB		 1776 if (chan == local->hw_roc_channel) {
1777 /* TODO: check channel type? */
1778 is_offchan = false;
1779 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1780 }
1781
f30221e4 1782 if (is_offchan && !offchan)
9d38d85d
JB		 1783 return -EBUSY;
1784
1785 switch (sdata->vif.type) {
1786 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 1787 case NL80211_IFTYPE_AP:
1788 case NL80211_IFTYPE_AP_VLAN:
1789 case NL80211_IFTYPE_P2P_GO:
c7108a71 1790 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB		 1791 if (!ieee80211_is_action(mgmt->frame_control) ||
1792 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 1793 break;
1794 rcu_read_lock();
1795 sta = sta_info_get(sdata, mgmt->da);
1796 rcu_read_unlock();
1797 if (!sta)
1798 return -ENOLINK;
1799 break;
1800 case NL80211_IFTYPE_STATION:
663fcafd 1801 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 1802 break;
1803 default:
1804 return -EOPNOTSUPP;
1805 }
1806
1807 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1808 if (!skb)
1809 return -ENOMEM;
1810 skb_reserve(skb, local->hw.extra_tx_headroom);
1811
1812 memcpy(skb_put(skb, len), buf, len);
1813
1814 IEEE80211_SKB_CB(skb)->flags = flags;
1815
1816 skb->dev = sdata->dev;
9d38d85d
JB		 1817
1818 *cookie = (unsigned long) skb;
f30221e4 1819
5f16a436
JB		 1820 if (is_offchan && local->ops->offchannel_tx) {
1821 int ret;
1822
1823 IEEE80211_SKB_CB(skb)->band = chan->band;
1824
1825 mutex_lock(&local->mtx);
1826
1827 if (local->hw_offchan_tx_cookie) {
1828 mutex_unlock(&local->mtx);
1829 return -EBUSY;
1830 }
1831
1832 /* TODO: bitrate control, TX processing? */
1833 ret = drv_offchannel_tx(local, skb, chan, channel_type, wait);
1834
1835 if (ret == 0)
1836 local->hw_offchan_tx_cookie = *cookie;
1837 mutex_unlock(&local->mtx);
1838
1839 /*
1840 * Allow driver to return 1 to indicate it wants to have the
1841 * frame transmitted with a remain_on_channel + regular TX.
1842 */
1843 if (ret != 1)
1844 return ret;
1845 }
1846
90fc4b3a
JB		 1847 if (is_offchan && local->ops->remain_on_channel) {
1848 unsigned int duration;
1849 int ret;
1850
1851 mutex_lock(&local->mtx);
1852 /*
1853 * If the duration is zero, then the driver
1854 * wouldn't actually do anything. Set it to
1855 * 100 for now.
1856 *
1857 * TODO: cancel the off-channel operation
1858 * when we get the SKB's TX status and
1859 * the wait time was zero before.
1860 */
1861 duration = 100;
1862 if (wait)
1863 duration = wait;
1864 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
1865 channel_type,
1866 duration, cookie);
1867 if (ret) {
1868 kfree_skb(skb);
1869 mutex_unlock(&local->mtx);
1870 return ret;
1871 }
1872
1873 local->hw_roc_for_tx = true;
1874 local->hw_roc_duration = wait;
1875
1876 /*
1877 * queue up frame for transmission after
1878 * ieee80211_ready_on_channel call
1879 */
1880
1881 /* modify cookie to prevent API mismatches */
1882 *cookie ^= 2;
1883 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1884 local->hw_roc_skb = skb;
4334ec85 1885 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB		 1886 mutex_unlock(&local->mtx);
1887
1888 return 0;
1889 }
1890
f30221e4
JB		 1891 /*
1892 * Can transmit right away if the channel was the
1893 * right one and there's no wait involved... If a
1894 * wait is involved, we might otherwise not be on
1895 * the right channel for long enough!
1896 */
1897 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1898 ieee80211_tx_skb(sdata, skb);
1899 return 0;
1900 }
1901
1902 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1903 if (!wk) {
1904 kfree_skb(skb);
1905 return -ENOMEM;
1906 }
1907
1908 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1909 wk->chan = chan;
4d51e149 1910 wk->chan_type = channel_type;
f30221e4
JB		 1911 wk->sdata = sdata;
1912 wk->done = ieee80211_offchan_tx_done;
1913 wk->offchan_tx.frame = skb;
1914 wk->offchan_tx.wait = wait;
1915 wk->ie_len = len;
1916 memcpy(wk->ie, buf, len);
1917
1918 ieee80211_add_work(wk);
9d38d85d 1919 return 0;
026331c4
JM		 1920}
1921
f30221e4
JB		 1922static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1923 struct net_device *dev,
1924 u64 cookie)
1925{
1926 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1927 struct ieee80211_local *local = sdata->local;
1928 struct ieee80211_work *wk;
1929 int ret = -ENOENT;
1930
1931 mutex_lock(&local->mtx);
90fc4b3a 1932
5f16a436
JB		 1933 if (local->ops->offchannel_tx_cancel_wait &&
1934 local->hw_offchan_tx_cookie == cookie) {
1935 ret = drv_offchannel_tx_cancel_wait(local);
1936
1937 if (!ret)
1938 local->hw_offchan_tx_cookie = 0;
1939
1940 mutex_unlock(&local->mtx);
1941
1942 return ret;
1943 }
1944
90fc4b3a
JB		 1945 if (local->ops->cancel_remain_on_channel) {
1946 cookie ^= 2;
1947 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1948
1949 if (ret == 0) {
1950 kfree_skb(local->hw_roc_skb);
1951 local->hw_roc_skb = NULL;
4334ec85 1952 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB		 1953 }
1954
1955 mutex_unlock(&local->mtx);
1956
1957 return ret;
1958 }
1959
f30221e4
JB		 1960 list_for_each_entry(wk, &local->work_list, list) {
1961 if (wk->sdata != sdata)
1962 continue;
1963
1964 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1965 continue;
1966
1967 if (cookie != (unsigned long) wk->offchan_tx.frame)
1968 continue;
1969
1970 wk->timeout = jiffies;
1971
1972 ieee80211_queue_work(&local->hw, &local->work_work);
1973 ret = 0;
1974 break;
1975 }
1976 mutex_unlock(&local->mtx);
1977
1978 return ret;
1979}
1980
7be5086d
JB		 1981static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1982 struct net_device *dev,
1983 u16 frame_type, bool reg)
1984{
1985 struct ieee80211_local *local = wiphy_priv(wiphy);
1986
1987 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1988 return;
1989
1990 if (reg)
1991 local->probe_req_reg++;
1992 else
1993 local->probe_req_reg--;
1994
1995 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1996}
1997
15d96753
BR		 1998static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1999{
2000 struct ieee80211_local *local = wiphy_priv(wiphy);
2001
2002 if (local->started)
2003 return -EOPNOTSUPP;
2004
2005 return drv_set_antenna(local, tx_ant, rx_ant);
2006}
2007
2008static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2009{
2010 struct ieee80211_local *local = wiphy_priv(wiphy);
2011
2012 return drv_get_antenna(local, tx_ant, rx_ant);
2013}
2014
38c09159
JL		 2015static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2016{
2017 struct ieee80211_local *local = wiphy_priv(wiphy);
2018
2019 return drv_set_ringparam(local, tx, rx);
2020}
2021
2022static void ieee80211_get_ringparam(struct wiphy *wiphy,
2023 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2024{
2025 struct ieee80211_local *local = wiphy_priv(wiphy);
2026
2027 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2028}
2029
f0706e82
JB		 2030struct cfg80211_ops mac80211_config_ops = {
2031 .add_virtual_intf = ieee80211_add_iface,
2032 .del_virtual_intf = ieee80211_del_iface,
42613db7 2033 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2034 .add_key = ieee80211_add_key,
2035 .del_key = ieee80211_del_key,
62da92fb 2036 .get_key = ieee80211_get_key,
e8cbb4cb 2037 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2038 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 2039 .add_beacon = ieee80211_add_beacon,
2040 .set_beacon = ieee80211_set_beacon,
2041 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 2042 .add_station = ieee80211_add_station,
2043 .del_station = ieee80211_del_station,
2044 .change_station = ieee80211_change_station,
7bbdd2d9 2045 .get_station = ieee80211_get_station,
c5dd9c2b 2046 .dump_station = ieee80211_dump_station,
1289723e 2047 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2048#ifdef CONFIG_MAC80211_MESH
2049 .add_mpath = ieee80211_add_mpath,
2050 .del_mpath = ieee80211_del_mpath,
2051 .change_mpath = ieee80211_change_mpath,
2052 .get_mpath = ieee80211_get_mpath,
2053 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2054 .update_mesh_config = ieee80211_update_mesh_config,
2055 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2056 .join_mesh = ieee80211_join_mesh,
2057 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2058#endif
9f1ba906 2059 .change_bss = ieee80211_change_bss,
31888487 2060 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2061 .set_channel = ieee80211_set_channel,
665af4fc
BC		 2062 .suspend = ieee80211_suspend,
2063 .resume = ieee80211_resume,
2a519311 2064 .scan = ieee80211_scan,
636a5d36
JM		 2065 .auth = ieee80211_auth,
2066 .assoc = ieee80211_assoc,
2067 .deauth = ieee80211_deauth,
2068 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 2069 .join_ibss = ieee80211_join_ibss,
2070 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2071 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 2072 .set_tx_power = ieee80211_set_tx_power,
2073 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2074 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2075 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2076 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 2077 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2078 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 2079 .remain_on_channel = ieee80211_remain_on_channel,
2080 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2081 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2082 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2083 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2084 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 2085 .set_antenna = ieee80211_set_antenna,
2086 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 2087 .set_ringparam = ieee80211_set_ringparam,
2088 .get_ringparam = ieee80211_get_ringparam,
f0706e82 2089};
ubuntu-zesty-kernel mirror