projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: fix num_mcast_sta counting issues
[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>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
f9e10ce4
JB		 23static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
25 u32 *flags,
26 struct vif_params *params)
f0706e82
JB		 27{
28 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 29 struct net_device *dev;
30 struct ieee80211_sub_if_data *sdata;
31 int err;
f0706e82 32
05c914fe 33 err = ieee80211_if_add(local, name, &dev, type, params);
f9e10ce4
JB		 34 if (err)
35 return ERR_PTR(err);
8cc9a739 36
f9e10ce4
JB		 37 if (type == NL80211_IFTYPE_MONITOR && flags) {
38 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
39 sdata->u.mntr_flags = *flags;
40 }
41
42 return dev;
f0706e82
JB		 43}
44
463d0183 45static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 46{
463d0183 47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 48
75636525 49 return 0;
f0706e82
JB		 50}
51
e36d56b6
JB		 52static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
2ec600d6
LCC		 54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
42613db7 56{
9607e6b6 57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 58 int ret;
42613db7 59
05c914fe 60 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 61 if (ret)
62 return ret;
42613db7 63
9bc383de
JB		 64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
a9b3cd7f 66 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
70
85416a4f
CL		 71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
73
74 if (ieee80211_sdata_running(sdata)) {
75 /*
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
82 */
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
85 return -EBUSY;
86
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
90
91 ieee80211_configure_filter(local);
92 } else {
93 /*
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
97 */
98 sdata->u.mntr_flags = *flags;
99 }
100 }
f7917af9 101
42613db7
JB		 102 return 0;
103}
104
b53be792
SW		 105static int ieee80211_set_noack_map(struct wiphy *wiphy,
106 struct net_device *dev,
107 u16 noack_map)
108{
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 sdata->noack_map = noack_map;
112 return 0;
113}
114
e8cbb4cb 115static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 116 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 117 struct key_params *params)
118{
26a58456 119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 120 struct sta_info *sta = NULL;
db4d1169 121 struct ieee80211_key *key;
3b96766f 122 int err;
e8cbb4cb 123
26a58456 124 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 125 return -ENETDOWN;
126
97359d12 127 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 128 switch (params->cipher) {
129 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 130 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 131 case WLAN_CIPHER_SUITE_WEP104:
132 if (IS_ERR(sdata->local->wep_tx_tfm))
133 return -EINVAL;
3cfcf6ac 134 break;
e8cbb4cb 135 default:
97359d12 136 break;
e8cbb4cb
JB		 137 }
138
97359d12
JB		 139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
140 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 141 if (IS_ERR(key))
142 return PTR_ERR(key);
db4d1169 143
e31b8213
JB		 144 if (pairwise)
145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
146
ad0e2b5a 147 mutex_lock(&sdata->local->sta_mtx);
3b96766f 148
e8cbb4cb 149 if (mac_addr) {
ff973af7
TP		 150 if (ieee80211_vif_is_mesh(&sdata->vif))
151 sta = sta_info_get(sdata, mac_addr);
152 else
153 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 154 if (!sta) {
32162a4d 155 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 156 err = -ENOENT;
157 goto out_unlock;
db4d1169 158 }
e8cbb4cb
JB		 159 }
160
3ffc2a90
JB		 161 err = ieee80211_key_link(key, sdata, sta);
162 if (err)
163 ieee80211_key_free(sdata->local, key);
db4d1169 164
3b96766f 165 out_unlock:
ad0e2b5a 166 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 167
168 return err;
e8cbb4cb
JB		 169}
170
171static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 172 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 173{
5c0c3641
JB		 174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175 struct ieee80211_local *local = sdata->local;
e8cbb4cb 176 struct sta_info *sta;
5c0c3641 177 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 178 int ret;
179
5c0c3641
JB		 180 mutex_lock(&local->sta_mtx);
181 mutex_lock(&local->key_mtx);
3b96766f 182
e8cbb4cb 183 if (mac_addr) {
3b96766f
JB		 184 ret = -ENOENT;
185
0e5ded5a 186 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 187 if (!sta)
3b96766f 188 goto out_unlock;
e8cbb4cb 189
5c0c3641 190 if (pairwise)
40b275b6 191 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 192 else
40b275b6 193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 194 } else
40b275b6 195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 196
5c0c3641 197 if (!key) {
3b96766f
JB		 198 ret = -ENOENT;
199 goto out_unlock;
200 }
e8cbb4cb 201
5c0c3641 202 __ieee80211_key_free(key);
e8cbb4cb 203
3b96766f
JB		 204 ret = 0;
205 out_unlock:
5c0c3641
JB		 206 mutex_unlock(&local->key_mtx);
207 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 208
209 return ret;
e8cbb4cb
JB		 210}
211
62da92fb 212static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 213 u8 key_idx, bool pairwise, const u8 *mac_addr,
214 void *cookie,
62da92fb
JB		 215 void (*callback)(void *cookie,
216 struct key_params *params))
217{
14db74bc 218 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 219 struct sta_info *sta = NULL;
220 u8 seq[6] = {0};
221 struct key_params params;
e31b8213 222 struct ieee80211_key *key = NULL;
aba83a0b 223 u64 pn64;
62da92fb
JB		 224 u32 iv32;
225 u16 iv16;
226 int err = -ENOENT;
227
14db74bc
JB		 228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229
3b96766f
JB		 230 rcu_read_lock();
231
62da92fb 232 if (mac_addr) {
0e5ded5a 233 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 234 if (!sta)
235 goto out;
236
e31b8213 237 if (pairwise)
a3836e02 238 key = rcu_dereference(sta->ptk);
e31b8213 239 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 240 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 241 } else
a3836e02 242 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 243
244 if (!key)
245 goto out;
246
247 memset(&params, 0, sizeof(params));
248
97359d12 249 params.cipher = key->conf.cipher;
62da92fb 250
97359d12
JB		 251 switch (key->conf.cipher) {
252 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 253 iv32 = key->u.tkip.tx.iv32;
254 iv16 = key->u.tkip.tx.iv16;
62da92fb 255
24487981
JB		 256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
257 drv_get_tkip_seq(sdata->local,
258 key->conf.hw_key_idx,
259 &iv32, &iv16);
62da92fb
JB		 260
261 seq[0] = iv16 & 0xff;
262 seq[1] = (iv16 >> 8) & 0xff;
263 seq[2] = iv32 & 0xff;
264 seq[3] = (iv32 >> 8) & 0xff;
265 seq[4] = (iv32 >> 16) & 0xff;
266 seq[5] = (iv32 >> 24) & 0xff;
267 params.seq = seq;
268 params.seq_len = 6;
269 break;
97359d12 270 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
272 seq[0] = pn64;
273 seq[1] = pn64 >> 8;
274 seq[2] = pn64 >> 16;
275 seq[3] = pn64 >> 24;
276 seq[4] = pn64 >> 32;
277 seq[5] = pn64 >> 40;
62da92fb
JB		 278 params.seq = seq;
279 params.seq_len = 6;
280 break;
97359d12 281 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
283 seq[0] = pn64;
284 seq[1] = pn64 >> 8;
285 seq[2] = pn64 >> 16;
286 seq[3] = pn64 >> 24;
287 seq[4] = pn64 >> 32;
288 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 289 params.seq = seq;
290 params.seq_len = 6;
291 break;
62da92fb
JB		 292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
3b96766f 301 rcu_read_unlock();
62da92fb
JB		 302 return err;
303}
304
e8cbb4cb
JB		 305static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
dbd2fd65
JB		 307 u8 key_idx, bool uni,
308 bool multi)
e8cbb4cb 309{
ad0e2b5a 310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 311
f7e0104c 312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 313
314 return 0;
315}
316
3cfcf6ac
JM		 317static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
318 struct net_device *dev,
319 u8 key_idx)
320{
66c52421 321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 322
3cfcf6ac
JM		 323 ieee80211_set_default_mgmt_key(sdata, key_idx);
324
3cfcf6ac
JM		 325 return 0;
326}
327
3af6334c
FF		 328static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
329{
330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
331 struct ieee80211_supported_band *sband;
332 sband = sta->local->hw.wiphy->bands[
333 sta->local->hw.conf.channel->band];
334 rate->legacy = sband->bitrates[idx].bitrate;
335 } else
336 rate->mcs = idx;
337}
338
6b62bf32
TP		 339void sta_set_rate_info_tx(struct sta_info *sta,
340 const struct ieee80211_tx_rate *rate,
341 struct rate_info *rinfo)
342{
343 rinfo->flags = 0;
344 if (rate->flags & IEEE80211_TX_RC_MCS)
345 rinfo->flags |= RATE_INFO_FLAGS_MCS;
346 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
347 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
348 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
349 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
350 rate_idx_to_bitrate(rinfo, sta, rate->idx);
351}
352
c5dd9c2b
LCC		 353static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
354{
d0709a65 355 struct ieee80211_sub_if_data *sdata = sta->sdata;
ebe27c91 356 struct timespec uptime;
c5dd9c2b 357
f5ea9120
JB		 358 sinfo->generation = sdata->local->sta_generation;
359
c5dd9c2b
LCC		 360 sinfo->filled = STATION_INFO_INACTIVE_TIME |
361 STATION_INFO_RX_BYTES |
420e7fab 362 STATION_INFO_TX_BYTES |
98c8a60a
JM		 363 STATION_INFO_RX_PACKETS |
364 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 365 STATION_INFO_TX_RETRIES |
366 STATION_INFO_TX_FAILED |
5a5c731a 367 STATION_INFO_TX_BITRATE |
3af6334c 368 STATION_INFO_RX_BITRATE |
f4263c98 369 STATION_INFO_RX_DROP_MISC |
ebe27c91 370 STATION_INFO_BSS_PARAM |
7a724767 371 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 372 STATION_INFO_STA_FLAGS |
373 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 374
375 do_posix_clock_monotonic_gettime(&uptime);
376 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 377
378 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
379 sinfo->rx_bytes = sta->rx_bytes;
380 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 381 sinfo->rx_packets = sta->rx_packets;
382 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 383 sinfo->tx_retries = sta->tx_retry_count;
384 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 385 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 386 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 387
19deffbe
JL		 388 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
389 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 390 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 391 sinfo->signal = (s8)sta->last_signal;
541a45a1 392 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 393 }
394
6b62bf32 395 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 396
397 sinfo->rxrate.flags = 0;
398 if (sta->last_rx_rate_flag & RX_FLAG_HT)
399 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
400 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
401 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
402 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
403 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
404 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 405
902acc78 406 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 407#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 408 sinfo->filled |= STATION_INFO_LLID |
409 STATION_INFO_PLID |
410 STATION_INFO_PLINK_STATE;
411
412 sinfo->llid = le16_to_cpu(sta->llid);
413 sinfo->plid = le16_to_cpu(sta->plid);
414 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 415 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
416 sinfo->filled |= STATION_INFO_T_OFFSET;
417 sinfo->t_offset = sta->t_offset;
418 }
c5dd9c2b 419#endif
902acc78 420 }
f4263c98
PS		 421
422 sinfo->bss_param.flags = 0;
423 if (sdata->vif.bss_conf.use_cts_prot)
424 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
425 if (sdata->vif.bss_conf.use_short_preamble)
426 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
427 if (sdata->vif.bss_conf.use_short_slot)
428 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
429 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
430 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 431
432 sinfo->sta_flags.set = 0;
433 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
434 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
435 BIT(NL80211_STA_FLAG_WME) |
436 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 437 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
438 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 439 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
440 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
441 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
442 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
443 if (test_sta_flag(sta, WLAN_STA_WME))
444 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
445 if (test_sta_flag(sta, WLAN_STA_MFP))
446 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
447 if (test_sta_flag(sta, WLAN_STA_AUTH))
448 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 449 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
450 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 451}
452
453
454static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
455 int idx, u8 *mac, struct station_info *sinfo)
456{
3b53fde8 457 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 458 struct sta_info *sta;
d0709a65
JB		 459 int ret = -ENOENT;
460
461 rcu_read_lock();
c5dd9c2b 462
3b53fde8 463 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 464 if (sta) {
465 ret = 0;
17741cdc 466 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 467 sta_set_sinfo(sta, sinfo);
468 }
c5dd9c2b 469
d0709a65 470 rcu_read_unlock();
c5dd9c2b 471
d0709a65 472 return ret;
c5dd9c2b
LCC		 473}
474
1289723e
HS		 475static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
476 int idx, struct survey_info *survey)
477{
478 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
479
1289723e
HS		 480 return drv_get_survey(local, idx, survey);
481}
482
7bbdd2d9 483static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 484 u8 *mac, struct station_info *sinfo)
7bbdd2d9 485{
abe60632 486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 487 struct sta_info *sta;
d0709a65 488 int ret = -ENOENT;
7bbdd2d9 489
d0709a65 490 rcu_read_lock();
7bbdd2d9 491
0e5ded5a 492 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 493 if (sta) {
494 ret = 0;
495 sta_set_sinfo(sta, sinfo);
496 }
497
498 rcu_read_unlock();
499
500 return ret;
7bbdd2d9
JB		 501}
502
02945821 503static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 504 const u8 *resp, size_t resp_len)
02945821
AN		 505{
506 struct sk_buff *new, *old;
507
508 if (!resp || !resp_len)
8860020e 509 return 1;
02945821 510
f724828b 511 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821
AN		 512
513 new = dev_alloc_skb(resp_len);
514 if (!new)
515 return -ENOMEM;
516
517 memcpy(skb_put(new, resp_len), resp, resp_len);
518
519 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
8860020e
JB		 520 if (old) {
521 /* TODO: use call_rcu() */
522 synchronize_rcu();
02945821 523 dev_kfree_skb(old);
8860020e 524 }
02945821
AN		 525
526 return 0;
527}
528
8860020e
JB		 529static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
530 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 531{
532 struct beacon_data *new, *old;
533 int new_head_len, new_tail_len;
8860020e
JB		 534 int size, err;
535 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 536
40b275b6 537 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 538
5dfdaf58
JB		 539 /* Need to have a beacon head if we don't have one yet */
540 if (!params->head && !old)
8860020e 541 return -EINVAL;
5dfdaf58
JB		 542
543 /* new or old head? */
544 if (params->head)
545 new_head_len = params->head_len;
546 else
547 new_head_len = old->head_len;
548
549 /* new or old tail? */
550 if (params->tail || !old)
551 /* params->tail_len will be zero for !params->tail */
552 new_tail_len = params->tail_len;
553 else
554 new_tail_len = old->tail_len;
555
556 size = sizeof(*new) + new_head_len + new_tail_len;
557
558 new = kzalloc(size, GFP_KERNEL);
559 if (!new)
560 return -ENOMEM;
561
562 /* start filling the new info now */
563
5dfdaf58
JB		 564 /*
565 * pointers go into the block we allocated,
566 * memory is | beacon_data | head | tail |
567 */
568 new->head = ((u8 *) new) + sizeof(*new);
569 new->tail = new->head + new_head_len;
570 new->head_len = new_head_len;
571 new->tail_len = new_tail_len;
572
573 /* copy in head */
574 if (params->head)
575 memcpy(new->head, params->head, new_head_len);
576 else
577 memcpy(new->head, old->head, new_head_len);
578
579 /* copy in optional tail */
580 if (params->tail)
581 memcpy(new->tail, params->tail, new_tail_len);
582 else
583 if (old)
584 memcpy(new->tail, old->tail, new_tail_len);
585
02945821
AN		 586 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
587 params->probe_resp_len);
8860020e
JB		 588 if (err < 0)
589 return err;
590 if (err == 0)
02945821
AN		 591 changed |= BSS_CHANGED_AP_PROBE_RESP;
592
8860020e
JB		 593 rcu_assign_pointer(sdata->u.ap.beacon, new);
594
595 if (old)
596 kfree_rcu(old, rcu_head);
7827493b 597
8860020e 598 return changed;
5dfdaf58
JB		 599}
600
8860020e
JB		 601static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
602 struct cfg80211_ap_settings *params)
5dfdaf58 603{
8860020e 604 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 605 struct beacon_data *old;
665c93a9 606 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 607 u32 changed = BSS_CHANGED_BEACON_INT |
608 BSS_CHANGED_BEACON_ENABLED |
609 BSS_CHANGED_BEACON |
610 BSS_CHANGED_SSID;
611 int err;
14db74bc 612
40b275b6 613 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 614 if (old)
615 return -EALREADY;
616
665c93a9
JB		 617 /*
618 * Apply control port protocol, this allows us to
619 * not encrypt dynamic WEP control frames.
620 */
621 sdata->control_port_protocol = params->crypto.control_port_ethertype;
622 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
623 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
624 vlan->control_port_protocol =
625 params->crypto.control_port_ethertype;
626 vlan->control_port_no_encrypt =
627 params->crypto.control_port_no_encrypt;
628 }
629
8860020e
JB		 630 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
631 sdata->vif.bss_conf.dtim_period = params->dtim_period;
632
633 sdata->vif.bss_conf.ssid_len = params->ssid_len;
634 if (params->ssid_len)
635 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
636 params->ssid_len);
637 sdata->vif.bss_conf.hidden_ssid =
638 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
639
640 err = ieee80211_assign_beacon(sdata, &params->beacon);
641 if (err < 0)
642 return err;
643 changed |= err;
644
645 ieee80211_bss_info_change_notify(sdata, changed);
646
3edaf3e6
JB		 647 netif_carrier_on(dev);
648 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
649 netif_carrier_on(vlan->dev);
650
665c93a9 651 return 0;
5dfdaf58
JB		 652}
653
8860020e
JB		 654static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
655 struct cfg80211_beacon_data *params)
5dfdaf58 656{
14db74bc 657 struct ieee80211_sub_if_data *sdata;
5dfdaf58 658 struct beacon_data *old;
8860020e 659 int err;
5dfdaf58 660
14db74bc
JB		 661 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
662
40b275b6 663 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 664 if (!old)
665 return -ENOENT;
666
8860020e
JB		 667 err = ieee80211_assign_beacon(sdata, params);
668 if (err < 0)
669 return err;
670 ieee80211_bss_info_change_notify(sdata, err);
671 return 0;
5dfdaf58
JB		 672}
673
8860020e 674static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 675{
3edaf3e6 676 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 677 struct beacon_data *old;
678
14db74bc
JB		 679 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
680
40b275b6 681 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 682 if (!old)
683 return -ENOENT;
684
3edaf3e6
JB		 685 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
686 netif_carrier_off(vlan->dev);
687 netif_carrier_off(dev);
688
a9b3cd7f 689 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 690
691 kfree_rcu(old, rcu_head);
5dfdaf58 692
2d0ddec5 693 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 694
2d0ddec5 695 return 0;
5dfdaf58
JB		 696}
697
4fd6931e
JB		 698/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
699struct iapp_layer2_update {
700 u8 da[ETH_ALEN]; /* broadcast */
701 u8 sa[ETH_ALEN]; /* STA addr */
702 __be16 len; /* 6 */
703 u8 dsap; /* 0 */
704 u8 ssap; /* 0 */
705 u8 control;
706 u8 xid_info[3];
bc10502d 707} __packed;
4fd6931e
JB		 708
709static void ieee80211_send_layer2_update(struct sta_info *sta)
710{
711 struct iapp_layer2_update *msg;
712 struct sk_buff *skb;
713
714 /* Send Level 2 Update Frame to update forwarding tables in layer 2
715 * bridge devices */
716
717 skb = dev_alloc_skb(sizeof(*msg));
718 if (!skb)
719 return;
720 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
721
722 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
723 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
724
725 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 726 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 727 msg->len = htons(6);
728 msg->dsap = 0;
729 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
730 msg->control = 0xaf; /* XID response lsb.1111F101.
731 * F=0 (no poll command; unsolicited frame) */
732 msg->xid_info[0] = 0x81; /* XID format identifier */
733 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
734 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
735
d0709a65
JB		 736 skb->dev = sta->sdata->dev;
737 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 738 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 739 netif_rx_ni(skb);
4fd6931e
JB		 740}
741
d9a7ddb0
JB		 742static int sta_apply_parameters(struct ieee80211_local *local,
743 struct sta_info *sta,
744 struct station_parameters *params)
4fd6931e 745{
d9a7ddb0 746 int ret = 0;
4fd6931e
JB		 747 u32 rates;
748 int i, j;
8318d78a 749 struct ieee80211_supported_band *sband;
d0709a65 750 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 751 u32 mask, set;
4fd6931e 752
ae5eb026
JB		 753 sband = local->hw.wiphy->bands[local->oper_channel->band];
754
eccb8e8f
JB		 755 mask = params->sta_flags_mask;
756 set = params->sta_flags_set;
73651ee6 757
d9a7ddb0
JB		 758 /*
759 * In mesh mode, we can clear AUTHENTICATED flag but must
760 * also make ASSOCIATED follow appropriately for the driver
761 * API. See also below, after AUTHORIZED changes.
762 */
763 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
764 /* cfg80211 should not allow this in non-mesh modes */
765 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
766 return -EINVAL;
767
768 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
769 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 770 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 771 if (ret)
772 return ret;
83d5cc01 773 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 774 if (ret)
775 return ret;
776 }
777 }
778
eccb8e8f 779 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 780 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 781 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 782 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 783 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 784 if (ret)
785 return ret;
786 }
787
788 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
789 /* cfg80211 should not allow this in non-mesh modes */
790 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
791 return -EINVAL;
792
793 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
794 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 795 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 796 if (ret)
797 return ret;
83d5cc01 798 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 799 if (ret)
800 return ret;
801 }
eccb8e8f 802 }
4fd6931e 803
d9a7ddb0 804
eccb8e8f 805 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 806 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 807 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
808 else
809 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 810 }
4fd6931e 811
eccb8e8f 812 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 813 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 814 set_sta_flag(sta, WLAN_STA_WME);
39df600a 815 sta->sta.wme = true;
c2c98fde
JB		 816 } else {
817 clear_sta_flag(sta, WLAN_STA_WME);
818 sta->sta.wme = false;
39df600a 819 }
eccb8e8f 820 }
5394af4d 821
eccb8e8f 822 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 823 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 824 set_sta_flag(sta, WLAN_STA_MFP);
825 else
826 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 827 }
b39c48fa 828
07ba55d7 829 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 830 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 831 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
832 else
833 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 834 }
4fd6931e 835
3b9ce80c
JB		 836 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
837 sta->sta.uapsd_queues = params->uapsd_queues;
838 sta->sta.max_sp = params->max_sp;
839 }
9533b4ac 840
51b50fbe
JB		 841 /*
842 * cfg80211 validates this (1-2007) and allows setting the AID
843 * only when creating a new station entry
844 */
845 if (params->aid)
846 sta->sta.aid = params->aid;
847
73651ee6
JB		 848 /*
849 * FIXME: updating the following information is racy when this
850 * function is called from ieee80211_change_station().
851 * However, all this information should be static so
852 * maybe we should just reject attemps to change it.
853 */
854
4fd6931e
JB		 855 if (params->listen_interval >= 0)
856 sta->listen_interval = params->listen_interval;
857
858 if (params->supported_rates) {
859 rates = 0;
8318d78a 860
4fd6931e
JB		 861 for (i = 0; i < params->supported_rates_len; i++) {
862 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 863 for (j = 0; j < sband->n_bitrates; j++) {
864 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 865 rates |= BIT(j);
866 }
867 }
323ce79a 868 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 869 }
c5dd9c2b 870
d9fe60de 871 if (params->ht_capa)
ef96a842 872 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 873 params->ht_capa,
d9fe60de 874 &sta->sta.ht_cap);
36aedc90 875
9c3990aa 876 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 877#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 878 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
879 switch (params->plink_state) {
57cf8043
JC		 880 case NL80211_PLINK_LISTEN:
881 case NL80211_PLINK_ESTAB:
882 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 883 sta->plink_state = params->plink_state;
884 break;
885 default:
886 /* nothing */
887 break;
888 }
889 else
890 switch (params->plink_action) {
891 case PLINK_ACTION_OPEN:
892 mesh_plink_open(sta);
893 break;
894 case PLINK_ACTION_BLOCK:
895 mesh_plink_block(sta);
896 break;
897 }
4daf50f2 898#endif
902acc78 899 }
d9a7ddb0
JB		 900
901 return 0;
4fd6931e
JB		 902}
903
904static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
905 u8 *mac, struct station_parameters *params)
906{
14db74bc 907 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 908 struct sta_info *sta;
909 struct ieee80211_sub_if_data *sdata;
73651ee6 910 int err;
b8d476c8 911 int layer2_update;
4fd6931e 912
4fd6931e
JB		 913 if (params->vlan) {
914 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
915
05c914fe
JB		 916 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
917 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 918 return -EINVAL;
919 } else
920 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
921
47846c9b 922 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 923 return -EINVAL;
924
925 if (is_multicast_ether_addr(mac))
926 return -EINVAL;
927
928 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 929 if (!sta)
930 return -ENOMEM;
4fd6931e 931
83d5cc01
JB		 932 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
933 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 934
d9a7ddb0
JB		 935 err = sta_apply_parameters(local, sta, params);
936 if (err) {
937 sta_info_free(local, sta);
938 return err;
939 }
4fd6931e 940
d64cf63e
AN		 941 /*
942 * for TDLS, rate control should be initialized only when supported
943 * rates are known.
944 */
945 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
946 rate_control_rate_init(sta);
4fd6931e 947
b8d476c8
JM		 948 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
949 sdata->vif.type == NL80211_IFTYPE_AP;
950
34e89507 951 err = sta_info_insert_rcu(sta);
73651ee6 952 if (err) {
73651ee6
JB		 953 rcu_read_unlock();
954 return err;
955 }
956
b8d476c8 957 if (layer2_update)
73651ee6
JB		 958 ieee80211_send_layer2_update(sta);
959
960 rcu_read_unlock();
961
4fd6931e
JB		 962 return 0;
963}
964
965static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
966 u8 *mac)
967{
14db74bc
JB		 968 struct ieee80211_local *local = wiphy_priv(wiphy);
969 struct ieee80211_sub_if_data *sdata;
4fd6931e 970
14db74bc
JB		 971 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
972
34e89507
JB		 973 if (mac)
974 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 975
34e89507 976 sta_info_flush(local, sdata);
4fd6931e
JB		 977 return 0;
978}
979
980static int ieee80211_change_station(struct wiphy *wiphy,
981 struct net_device *dev,
982 u8 *mac,
983 struct station_parameters *params)
984{
abe60632 985 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 986 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 987 struct sta_info *sta;
988 struct ieee80211_sub_if_data *vlansdata;
35b88623 989 int err;
4fd6931e 990
87be1e1e 991 mutex_lock(&local->sta_mtx);
98dd6a57 992
0e5ded5a 993 sta = sta_info_get_bss(sdata, mac);
98dd6a57 994 if (!sta) {
87be1e1e 995 mutex_unlock(&local->sta_mtx);
4fd6931e 996 return -ENOENT;
98dd6a57 997 }
4fd6931e 998
bdd90d5e
JB		 999 /* in station mode, supported rates are only valid with TDLS */
1000 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1001 params->supported_rates &&
1002 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1003 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1004 return -EINVAL;
1005 }
1006
d0709a65 1007 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1008 bool prev_4addr = false;
1009 bool new_4addr = false;
1010
4fd6931e
JB		 1011 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1012
05c914fe
JB		 1013 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1014 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1015 mutex_unlock(&local->sta_mtx);
4fd6931e 1016 return -EINVAL;
98dd6a57 1017 }
4fd6931e 1018
9bc383de 1019 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1020 if (vlansdata->u.vlan.sta) {
87be1e1e 1021 mutex_unlock(&local->sta_mtx);
f14543ee 1022 return -EBUSY;
3305443c 1023 }
f14543ee 1024
cf778b00 1025 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1026 new_4addr = true;
1027 }
1028
1029 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1030 sta->sdata->u.vlan.sta) {
1031 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1032 prev_4addr = true;
f14543ee
FF		 1033 }
1034
14db74bc 1035 sta->sdata = vlansdata;
7e3ed02c
FF		 1036
1037 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1038 prev_4addr != new_4addr) {
1039 if (new_4addr)
1040 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1041 else
1042 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1043 }
1044
4fd6931e
JB		 1045 ieee80211_send_layer2_update(sta);
1046 }
1047
35b88623
EP		 1048 err = sta_apply_parameters(local, sta, params);
1049 if (err) {
1050 mutex_unlock(&local->sta_mtx);
1051 return err;
1052 }
4fd6931e 1053
d64cf63e
AN		 1054 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1055 rate_control_rate_init(sta);
1056
87be1e1e 1057 mutex_unlock(&local->sta_mtx);
98dd6a57 1058
808118cb
JY		 1059 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1060 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1061 ieee80211_recalc_ps(local, -1);
1062
4fd6931e
JB		 1063 return 0;
1064}
1065
c5dd9c2b
LCC		 1066#ifdef CONFIG_MAC80211_MESH
1067static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1068 u8 *dst, u8 *next_hop)
1069{
14db74bc 1070 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1071 struct mesh_path *mpath;
1072 struct sta_info *sta;
1073 int err;
1074
14db74bc
JB		 1075 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1076
d0709a65 1077 rcu_read_lock();
abe60632 1078 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1079 if (!sta) {
1080 rcu_read_unlock();
c5dd9c2b 1081 return -ENOENT;
d0709a65 1082 }
c5dd9c2b 1083
f698d856 1084 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1085 if (err) {
1086 rcu_read_unlock();
c5dd9c2b 1087 return err;
d0709a65 1088 }
c5dd9c2b 1089
f698d856 1090 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1091 if (!mpath) {
1092 rcu_read_unlock();
c5dd9c2b
LCC		 1093 return -ENXIO;
1094 }
1095 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1096
c5dd9c2b
LCC		 1097 rcu_read_unlock();
1098 return 0;
1099}
1100
1101static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1102 u8 *dst)
1103{
f698d856
JBG		 1104 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1105
c5dd9c2b 1106 if (dst)
f698d856 1107 return mesh_path_del(dst, sdata);
c5dd9c2b 1108
ece1a2e7 1109 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1110 return 0;
1111}
1112
1113static int ieee80211_change_mpath(struct wiphy *wiphy,
1114 struct net_device *dev,
1115 u8 *dst, u8 *next_hop)
1116{
14db74bc 1117 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1118 struct mesh_path *mpath;
1119 struct sta_info *sta;
1120
14db74bc
JB		 1121 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1122
d0709a65
JB		 1123 rcu_read_lock();
1124
abe60632 1125 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1126 if (!sta) {
1127 rcu_read_unlock();
c5dd9c2b 1128 return -ENOENT;
d0709a65 1129 }
c5dd9c2b 1130
f698d856 1131 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1132 if (!mpath) {
1133 rcu_read_unlock();
c5dd9c2b
LCC		 1134 return -ENOENT;
1135 }
1136
1137 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1138
c5dd9c2b
LCC		 1139 rcu_read_unlock();
1140 return 0;
1141}
1142
1143static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1144 struct mpath_info *pinfo)
1145{
a3836e02
JB		 1146 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1147
1148 if (next_hop_sta)
1149 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1150 else
1151 memset(next_hop, 0, ETH_ALEN);
1152
f5ea9120
JB		 1153 pinfo->generation = mesh_paths_generation;
1154
c5dd9c2b 1155 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1156 MPATH_INFO_SN |
c5dd9c2b
LCC		 1157 MPATH_INFO_METRIC |
1158 MPATH_INFO_EXPTIME |
1159 MPATH_INFO_DISCOVERY_TIMEOUT |
1160 MPATH_INFO_DISCOVERY_RETRIES |
1161 MPATH_INFO_FLAGS;
1162
1163 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1164 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1165 pinfo->metric = mpath->metric;
1166 if (time_before(jiffies, mpath->exp_time))
1167 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1168 pinfo->discovery_timeout =
1169 jiffies_to_msecs(mpath->discovery_timeout);
1170 pinfo->discovery_retries = mpath->discovery_retries;
1171 pinfo->flags = 0;
1172 if (mpath->flags & MESH_PATH_ACTIVE)
1173 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1174 if (mpath->flags & MESH_PATH_RESOLVING)
1175 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1176 if (mpath->flags & MESH_PATH_SN_VALID)
1177 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1178 if (mpath->flags & MESH_PATH_FIXED)
1179 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1180 if (mpath->flags & MESH_PATH_RESOLVING)
1181 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1182
1183 pinfo->flags = mpath->flags;
1184}
1185
1186static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1187 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1188
1189{
14db74bc 1190 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1191 struct mesh_path *mpath;
1192
14db74bc
JB		 1193 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1194
c5dd9c2b 1195 rcu_read_lock();
f698d856 1196 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1197 if (!mpath) {
1198 rcu_read_unlock();
1199 return -ENOENT;
1200 }
1201 memcpy(dst, mpath->dst, ETH_ALEN);
1202 mpath_set_pinfo(mpath, next_hop, pinfo);
1203 rcu_read_unlock();
1204 return 0;
1205}
1206
1207static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1208 int idx, u8 *dst, u8 *next_hop,
1209 struct mpath_info *pinfo)
1210{
14db74bc 1211 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1212 struct mesh_path *mpath;
1213
14db74bc
JB		 1214 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1215
c5dd9c2b 1216 rcu_read_lock();
f698d856 1217 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1218 if (!mpath) {
1219 rcu_read_unlock();
1220 return -ENOENT;
1221 }
1222 memcpy(dst, mpath->dst, ETH_ALEN);
1223 mpath_set_pinfo(mpath, next_hop, pinfo);
1224 rcu_read_unlock();
1225 return 0;
1226}
93da9cc1 1227
24bdd9f4 1228static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1229 struct net_device *dev,
1230 struct mesh_config *conf)
1231{
1232 struct ieee80211_sub_if_data *sdata;
1233 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234
93da9cc1 1235 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1236 return 0;
1237}
1238
1239static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1240{
1241 return (mask >> (parm-1)) & 0x1;
1242}
1243
c80d545d
JC		 1244static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1245 const struct mesh_setup *setup)
1246{
1247 u8 *new_ie;
1248 const u8 *old_ie;
4bb62344
CYY		 1249 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1250 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1251
581a8b0f 1252 /* allocate information elements */
c80d545d 1253 new_ie = NULL;
581a8b0f 1254 old_ie = ifmsh->ie;
c80d545d 1255
581a8b0f
JC		 1256 if (setup->ie_len) {
1257 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1258 GFP_KERNEL);
1259 if (!new_ie)
1260 return -ENOMEM;
1261 }
581a8b0f
JC		 1262 ifmsh->ie_len = setup->ie_len;
1263 ifmsh->ie = new_ie;
1264 kfree(old_ie);
c80d545d
JC		 1265
1266 /* now copy the rest of the setup parameters */
1267 ifmsh->mesh_id_len = setup->mesh_id_len;
1268 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1269 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1270 ifmsh->mesh_pp_id = setup->path_sel_proto;
1271 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1272 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1273 if (setup->is_authenticated)
1274 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1275 if (setup->is_secure)
1276 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1277
4bb62344
CYY		 1278 /* mcast rate setting in Mesh Node */
1279 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1280 sizeof(setup->mcast_rate));
1281
c80d545d
JC		 1282 return 0;
1283}
1284
24bdd9f4 1285static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1286 struct net_device *dev, u32 mask,
1287 const struct mesh_config *nconf)
93da9cc1 1288{
1289 struct mesh_config *conf;
1290 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1291 struct ieee80211_if_mesh *ifmsh;
1292
93da9cc1 1293 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1294 ifmsh = &sdata->u.mesh;
93da9cc1 1295
93da9cc1 1296 /* Set the config options which we are interested in setting */
1297 conf = &(sdata->u.mesh.mshcfg);
1298 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1299 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1300 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1301 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1302 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1303 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1304 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1305 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1306 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1307 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1308 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1309 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1310 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1311 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1312 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1313 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1314 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1315 conf->dot11MeshNbrOffsetMaxNeighbor =
1316 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1317 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1318 conf->dot11MeshHWMPmaxPREQretries =
1319 nconf->dot11MeshHWMPmaxPREQretries;
1320 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1321 conf->path_refresh_time = nconf->path_refresh_time;
1322 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1323 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1324 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1325 conf->dot11MeshHWMPactivePathTimeout =
1326 nconf->dot11MeshHWMPactivePathTimeout;
1327 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1328 conf->dot11MeshHWMPpreqMinInterval =
1329 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1330 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1331 conf->dot11MeshHWMPperrMinInterval =
1332 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1333 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1334 mask))
1335 conf->dot11MeshHWMPnetDiameterTraversalTime =
1336 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1337 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1338 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1339 ieee80211_mesh_root_setup(ifmsh);
1340 }
16dd7267 1341 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1342 /* our current gate announcement implementation rides on root
1343 * announcements, so require this ifmsh to also be a root node
1344 * */
1345 if (nconf->dot11MeshGateAnnouncementProtocol &&
1346 !conf->dot11MeshHWMPRootMode) {
1347 conf->dot11MeshHWMPRootMode = 1;
1348 ieee80211_mesh_root_setup(ifmsh);
1349 }
16dd7267
JC		 1350 conf->dot11MeshGateAnnouncementProtocol =
1351 nconf->dot11MeshGateAnnouncementProtocol;
1352 }
0507e159
JC		 1353 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1354 conf->dot11MeshHWMPRannInterval =
1355 nconf->dot11MeshHWMPRannInterval;
1356 }
94f90656
CYY		 1357 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1358 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1359 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1360 /* our RSSI threshold implementation is supported only for
1361 * devices that report signal in dBm.
1362 */
1363 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1364 return -ENOTSUPP;
1365 conf->rssi_threshold = nconf->rssi_threshold;
1366 }
93da9cc1 1367 return 0;
1368}
1369
29cbe68c
JB		 1370static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1371 const struct mesh_config *conf,
1372 const struct mesh_setup *setup)
1373{
1374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1375 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1376 int err;
29cbe68c 1377
c80d545d
JC		 1378 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1379 err = copy_mesh_setup(ifmsh, setup);
1380 if (err)
1381 return err;
29cbe68c
JB		 1382 ieee80211_start_mesh(sdata);
1383
1384 return 0;
1385}
1386
1387static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1388{
1389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1390
1391 ieee80211_stop_mesh(sdata);
1392
1393 return 0;
1394}
c5dd9c2b
LCC		 1395#endif
1396
9f1ba906
JM		 1397static int ieee80211_change_bss(struct wiphy *wiphy,
1398 struct net_device *dev,
1399 struct bss_parameters *params)
1400{
9f1ba906
JM		 1401 struct ieee80211_sub_if_data *sdata;
1402 u32 changed = 0;
1403
9f1ba906
JM		 1404 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1405
9f1ba906 1406 if (params->use_cts_prot >= 0) {
bda3933a 1407 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1408 changed |= BSS_CHANGED_ERP_CTS_PROT;
1409 }
1410 if (params->use_short_preamble >= 0) {
bda3933a 1411 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1412 params->use_short_preamble;
1413 changed |= BSS_CHANGED_ERP_PREAMBLE;
1414 }
43d35343
FF		 1415
1416 if (!sdata->vif.bss_conf.use_short_slot &&
1417 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1418 sdata->vif.bss_conf.use_short_slot = true;
1419 changed |= BSS_CHANGED_ERP_SLOT;
1420 }
1421
9f1ba906 1422 if (params->use_short_slot_time >= 0) {
bda3933a 1423 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1424 params->use_short_slot_time;
1425 changed |= BSS_CHANGED_ERP_SLOT;
1426 }
1427
90c97a04
JM		 1428 if (params->basic_rates) {
1429 int i, j;
1430 u32 rates = 0;
1431 struct ieee80211_local *local = wiphy_priv(wiphy);
1432 struct ieee80211_supported_band *sband =
1433 wiphy->bands[local->oper_channel->band];
1434
1435 for (i = 0; i < params->basic_rates_len; i++) {
1436 int rate = (params->basic_rates[i] & 0x7f) * 5;
1437 for (j = 0; j < sband->n_bitrates; j++) {
1438 if (sband->bitrates[j].bitrate == rate)
1439 rates |= BIT(j);
1440 }
1441 }
1442 sdata->vif.bss_conf.basic_rates = rates;
1443 changed |= BSS_CHANGED_BASIC_RATES;
1444 }
1445
7b7b5e56
FF		 1446 if (params->ap_isolate >= 0) {
1447 if (params->ap_isolate)
1448 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1449 else
1450 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1451 }
1452
80d7e403
HS		 1453 if (params->ht_opmode >= 0) {
1454 sdata->vif.bss_conf.ht_operation_mode =
1455 (u16) params->ht_opmode;
1456 changed |= BSS_CHANGED_HT;
1457 }
1458
9f1ba906
JM		 1459 ieee80211_bss_info_change_notify(sdata, changed);
1460
1461 return 0;
1462}
1463
31888487 1464static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1465 struct net_device *dev,
31888487
JM		 1466 struct ieee80211_txq_params *params)
1467{
1468 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1470 struct ieee80211_tx_queue_params p;
1471
1472 if (!local->ops->conf_tx)
1473 return -EOPNOTSUPP;
1474
54bcbc69
JB		 1475 if (local->hw.queues < IEEE80211_NUM_ACS)
1476 return -EOPNOTSUPP;
1477
31888487
JM		 1478 memset(&p, 0, sizeof(p));
1479 p.aifs = params->aifs;
1480 p.cw_max = params->cwmax;
1481 p.cw_min = params->cwmin;
1482 p.txop = params->txop;
ab13315a
KV		 1483
1484 /*
1485 * Setting tx queue params disables u-apsd because it's only
1486 * called in master mode.
1487 */
1488 p.uapsd = false;
1489
a3304b0a
JB		 1490 sdata->tx_conf[params->ac] = p;
1491 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1492 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1493 "failed to set TX queue parameters for AC %d\n",
1494 params->ac);
31888487
JM		 1495 return -EINVAL;
1496 }
1497
1498 return 0;
1499}
1500
72bdcf34 1501static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1502 struct net_device *netdev,
72bdcf34 1503 struct ieee80211_channel *chan,
094d05dc 1504 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1505{
1506 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b 1507 struct ieee80211_sub_if_data *sdata = NULL;
eeabee7e
BG		 1508 struct ieee80211_channel *old_oper;
1509 enum nl80211_channel_type old_oper_type;
1510 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
0aaffa9b
JB		 1511
1512 if (netdev)
1513 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1514
f444de05
JB		 1515 switch (ieee80211_get_channel_mode(local, NULL)) {
1516 case CHAN_MODE_HOPPING:
1517 return -EBUSY;
1518 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1519 if (local->oper_channel != chan)
1520 return -EBUSY;
1521 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1522 return 0;
0aaffa9b 1523 break;
f444de05
JB		 1524 case CHAN_MODE_UNDEFINED:
1525 break;
1526 }
72bdcf34 1527
eeabee7e
BG		 1528 if (sdata)
1529 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1530 old_oper_type = local->_oper_channel_type;
72bdcf34 1531
0aaffa9b
JB		 1532 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1533 return -EBUSY;
1534
eeabee7e
BG		 1535 old_oper = local->oper_channel;
1536 local->oper_channel = chan;
1537
1538 /* Update driver if changes were actually made. */
1539 if ((old_oper != local->oper_channel) ||
1540 (old_oper_type != local->_oper_channel_type))
1541 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1542
ef5af747 1543 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
eeabee7e 1544 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
0aaffa9b
JB		 1545 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1546
1547 return 0;
72bdcf34
JM		 1548}
1549
665af4fc 1550#ifdef CONFIG_PM
ff1b6e69
JB		 1551static int ieee80211_suspend(struct wiphy *wiphy,
1552 struct cfg80211_wowlan *wowlan)
665af4fc 1553{
eecc4800 1554 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1555}
1556
1557static int ieee80211_resume(struct wiphy *wiphy)
1558{
1559 return __ieee80211_resume(wiphy_priv(wiphy));
1560}
1561#else
1562#define ieee80211_suspend NULL
1563#define ieee80211_resume NULL
1564#endif
1565
2a519311
JB		 1566static int ieee80211_scan(struct wiphy *wiphy,
1567 struct net_device *dev,
1568 struct cfg80211_scan_request *req)
1569{
2ca27bcf 1570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1571
2ca27bcf
JB		 1572 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1573 case NL80211_IFTYPE_STATION:
1574 case NL80211_IFTYPE_ADHOC:
1575 case NL80211_IFTYPE_MESH_POINT:
1576 case NL80211_IFTYPE_P2P_CLIENT:
1577 break;
1578 case NL80211_IFTYPE_P2P_GO:
1579 if (sdata->local->ops->hw_scan)
1580 break;
e9d7732e
JB		 1581 /*
1582 * FIXME: implement NoA while scanning in software,
1583 * for now fall through to allow scanning only when
1584 * beaconing hasn't been configured yet
1585 */
2ca27bcf
JB		 1586 case NL80211_IFTYPE_AP:
1587 if (sdata->u.ap.beacon)
1588 return -EOPNOTSUPP;
1589 break;
1590 default:
1591 return -EOPNOTSUPP;
1592 }
2a519311
JB		 1593
1594 return ieee80211_request_scan(sdata, req);
1595}
1596
79f460ca
LC		 1597static int
1598ieee80211_sched_scan_start(struct wiphy *wiphy,
1599 struct net_device *dev,
1600 struct cfg80211_sched_scan_request *req)
1601{
1602 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1603
1604 if (!sdata->local->ops->sched_scan_start)
1605 return -EOPNOTSUPP;
1606
1607 return ieee80211_request_sched_scan_start(sdata, req);
1608}
1609
1610static int
85a9994a 1611ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1612{
1613 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1614
1615 if (!sdata->local->ops->sched_scan_stop)
1616 return -EOPNOTSUPP;
1617
85a9994a 1618 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1619}
1620
636a5d36
JM		 1621static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1622 struct cfg80211_auth_request *req)
1623{
77fdaa12 1624 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1625}
1626
1627static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1628 struct cfg80211_assoc_request *req)
1629{
f444de05
JB		 1630 struct ieee80211_local *local = wiphy_priv(wiphy);
1631 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1632
1633 switch (ieee80211_get_channel_mode(local, sdata)) {
1634 case CHAN_MODE_HOPPING:
1635 return -EBUSY;
1636 case CHAN_MODE_FIXED:
1637 if (local->oper_channel == req->bss->channel)
1638 break;
1639 return -EBUSY;
1640 case CHAN_MODE_UNDEFINED:
1641 break;
1642 }
1643
77fdaa12 1644 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1645}
1646
1647static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1648 struct cfg80211_deauth_request *req)
636a5d36 1649{
63c9c5e7 1650 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1651}
1652
1653static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1654 struct cfg80211_disassoc_request *req)
636a5d36 1655{
63c9c5e7 1656 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1657}
1658
af8cdcd8
JB		 1659static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1660 struct cfg80211_ibss_params *params)
1661{
f444de05 1662 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1663 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1664
f444de05
JB		 1665 switch (ieee80211_get_channel_mode(local, sdata)) {
1666 case CHAN_MODE_HOPPING:
1667 return -EBUSY;
1668 case CHAN_MODE_FIXED:
1669 if (!params->channel_fixed)
1670 return -EBUSY;
1671 if (local->oper_channel == params->channel)
1672 break;
1673 return -EBUSY;
1674 case CHAN_MODE_UNDEFINED:
1675 break;
1676 }
1677
af8cdcd8
JB		 1678 return ieee80211_ibss_join(sdata, params);
1679}
1680
1681static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1682{
1683 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1684
1685 return ieee80211_ibss_leave(sdata);
1686}
1687
b9a5f8ca
JM		 1688static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1689{
1690 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1691 int err;
b9a5f8ca 1692
f23a4780
AN		 1693 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1694 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1695
1696 if (err)
1697 return err;
1698 }
1699
310bc676
LT		 1700 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1701 err = drv_set_coverage_class(local, wiphy->coverage_class);
1702
1703 if (err)
1704 return err;
1705 }
1706
b9a5f8ca 1707 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1708 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1709
24487981
JB		 1710 if (err)
1711 return err;
b9a5f8ca
JM		 1712 }
1713
1714 if (changed & WIPHY_PARAM_RETRY_SHORT)
1715 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1716 if (changed & WIPHY_PARAM_RETRY_LONG)
1717 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1718 if (changed &
1719 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1720 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1721
1722 return 0;
1723}
1724
7643a2c3 1725static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1726 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1727{
1728 struct ieee80211_local *local = wiphy_priv(wiphy);
1729 struct ieee80211_channel *chan = local->hw.conf.channel;
1730 u32 changes = 0;
7643a2c3
JB		 1731
1732 switch (type) {
fa61cf70 1733 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1734 local->user_power_level = -1;
1735 break;
fa61cf70
JO		 1736 case NL80211_TX_POWER_LIMITED:
1737 if (mbm < 0 || (mbm % 100))
1738 return -EOPNOTSUPP;
1739 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1740 break;
fa61cf70
JO		 1741 case NL80211_TX_POWER_FIXED:
1742 if (mbm < 0 || (mbm % 100))
1743 return -EOPNOTSUPP;
7643a2c3 1744 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1745 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1746 return -EINVAL;
fa61cf70 1747 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1748 break;
7643a2c3
JB		 1749 }
1750
1751 ieee80211_hw_config(local, changes);
1752
1753 return 0;
1754}
1755
1756static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1757{
1758 struct ieee80211_local *local = wiphy_priv(wiphy);
1759
1760 *dbm = local->hw.conf.power_level;
1761
7643a2c3
JB		 1762 return 0;
1763}
1764
ab737a4f 1765static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1766 const u8 *addr)
ab737a4f
JB		 1767{
1768 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769
1770 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1771
1772 return 0;
1773}
1774
1f87f7d3
JB		 1775static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1776{
1777 struct ieee80211_local *local = wiphy_priv(wiphy);
1778
1779 drv_rfkill_poll(local);
1780}
1781
aff89a9b 1782#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1783static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1784{
1785 struct ieee80211_local *local = wiphy_priv(wiphy);
1786
1787 if (!local->ops->testmode_cmd)
1788 return -EOPNOTSUPP;
1789
1790 return local->ops->testmode_cmd(&local->hw, data, len);
1791}
71063f0e
WYG		 1792
1793static int ieee80211_testmode_dump(struct wiphy *wiphy,
1794 struct sk_buff *skb,
1795 struct netlink_callback *cb,
1796 void *data, int len)
1797{
1798 struct ieee80211_local *local = wiphy_priv(wiphy);
1799
1800 if (!local->ops->testmode_dump)
1801 return -EOPNOTSUPP;
1802
1803 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1804}
aff89a9b
JB		 1805#endif
1806
0f78231b
JB		 1807int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1808 enum ieee80211_smps_mode smps_mode)
1809{
1810 const u8 *ap;
1811 enum ieee80211_smps_mode old_req;
1812 int err;
1813
243e6df4
JB		 1814 lockdep_assert_held(&sdata->u.mgd.mtx);
1815
0f78231b
JB		 1816 old_req = sdata->u.mgd.req_smps;
1817 sdata->u.mgd.req_smps = smps_mode;
1818
1819 if (old_req == smps_mode &&
1820 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1821 return 0;
1822
1823 /*
1824 * If not associated, or current association is not an HT
1825 * association, there's no need to send an action frame.
1826 */
1827 if (!sdata->u.mgd.associated ||
0aaffa9b 1828 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1829 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1830 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1831 mutex_unlock(&sdata->local->iflist_mtx);
1832 return 0;
1833 }
1834
0c1ad2ca 1835 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1836
1837 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1838 if (sdata->u.mgd.powersave)
1839 smps_mode = IEEE80211_SMPS_DYNAMIC;
1840 else
1841 smps_mode = IEEE80211_SMPS_OFF;
1842 }
1843
1844 /* send SM PS frame to AP */
1845 err = ieee80211_send_smps_action(sdata, smps_mode,
1846 ap, ap);
1847 if (err)
1848 sdata->u.mgd.req_smps = old_req;
1849
1850 return err;
1851}
1852
bc92afd9
JB		 1853static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1854 bool enabled, int timeout)
1855{
1856 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1857 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1858
e5de30c9
BP		 1859 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1860 return -EOPNOTSUPP;
1861
bc92afd9
JB		 1862 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1863 return -EOPNOTSUPP;
1864
1865 if (enabled == sdata->u.mgd.powersave &&
ff616381 1866 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 1867 return 0;
1868
1869 sdata->u.mgd.powersave = enabled;
ff616381 1870 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1871
0f78231b
JB		 1872 /* no change, but if automatic follow powersave */
1873 mutex_lock(&sdata->u.mgd.mtx);
1874 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1875 mutex_unlock(&sdata->u.mgd.mtx);
1876
bc92afd9
JB		 1877 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1878 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1879
1880 ieee80211_recalc_ps(local, -1);
1881
1882 return 0;
1883}
1884
a97c13c3
JO		 1885static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1886 struct net_device *dev,
1887 s32 rssi_thold, u32 rssi_hyst)
1888{
1889 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 1890 struct ieee80211_vif *vif = &sdata->vif;
1891 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1892
a97c13c3
JO		 1893 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1894 rssi_hyst == bss_conf->cqm_rssi_hyst)
1895 return 0;
1896
1897 bss_conf->cqm_rssi_thold = rssi_thold;
1898 bss_conf->cqm_rssi_hyst = rssi_hyst;
1899
1900 /* tell the driver upon association, unless already associated */
ea086359
JB		 1901 if (sdata->u.mgd.associated &&
1902 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 1903 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1904
1905 return 0;
1906}
1907
9930380f
JB		 1908static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1909 struct net_device *dev,
1910 const u8 *addr,
1911 const struct cfg80211_bitrate_mask *mask)
1912{
1913 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1914 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 1915 int i, ret;
2c7e6bc9 1916
bdbfd6b5
SM		 1917 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1918 ret = drv_set_bitrate_mask(local, sdata, mask);
1919 if (ret)
1920 return ret;
1921 }
9930380f 1922
19468413 1923 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 1924 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 1925 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
1926 sizeof(mask->control[i].mcs));
1927 }
9930380f 1928
37eb0b16 1929 return 0;
9930380f
JB		 1930}
1931
21f83589
JB		 1932static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1933 struct net_device *dev,
1934 struct ieee80211_channel *chan,
1935 enum nl80211_channel_type chantype,
1936 unsigned int duration, u64 *cookie)
1937{
1938 int ret;
1939 u32 random_cookie;
1940
1941 lockdep_assert_held(&local->mtx);
1942
1943 if (local->hw_roc_cookie)
1944 return -EBUSY;
1945 /* must be nonzero */
1946 random_cookie = random32() | 1;
1947
1948 *cookie = random_cookie;
1949 local->hw_roc_dev = dev;
1950 local->hw_roc_cookie = random_cookie;
1951 local->hw_roc_channel = chan;
1952 local->hw_roc_channel_type = chantype;
1953 local->hw_roc_duration = duration;
1954 ret = drv_remain_on_channel(local, chan, chantype, duration);
1955 if (ret) {
1956 local->hw_roc_channel = NULL;
1957 local->hw_roc_cookie = 0;
1958 }
1959
1960 return ret;
1961}
1962
b8bc4b0a
JB		 1963static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1964 struct net_device *dev,
1965 struct ieee80211_channel *chan,
1966 enum nl80211_channel_type channel_type,
1967 unsigned int duration,
1968 u64 *cookie)
1969{
1970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 1971 struct ieee80211_local *local = sdata->local;
1972
1973 if (local->ops->remain_on_channel) {
1974 int ret;
1975
1976 mutex_lock(&local->mtx);
1977 ret = ieee80211_remain_on_channel_hw(local, dev,
1978 chan, channel_type,
1979 duration, cookie);
90fc4b3a 1980 local->hw_roc_for_tx = false;
21f83589
JB		 1981 mutex_unlock(&local->mtx);
1982
1983 return ret;
1984 }
b8bc4b0a
JB		 1985
1986 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1987 duration, cookie);
1988}
1989
21f83589
JB		 1990static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1991 u64 cookie)
1992{
1993 int ret;
1994
1995 lockdep_assert_held(&local->mtx);
1996
1997 if (local->hw_roc_cookie != cookie)
1998 return -ENOENT;
1999
2000 ret = drv_cancel_remain_on_channel(local);
2001 if (ret)
2002 return ret;
2003
2004 local->hw_roc_cookie = 0;
2005 local->hw_roc_channel = NULL;
2006
2007 ieee80211_recalc_idle(local);
2008
2009 return 0;
2010}
2011
b8bc4b0a
JB		 2012static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2013 struct net_device *dev,
2014 u64 cookie)
2015{
2016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 2017 struct ieee80211_local *local = sdata->local;
2018
2019 if (local->ops->cancel_remain_on_channel) {
2020 int ret;
2021
2022 mutex_lock(&local->mtx);
2023 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2024 mutex_unlock(&local->mtx);
2025
2026 return ret;
2027 }
b8bc4b0a
JB		 2028
2029 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
2030}
2031
f30221e4
JB		 2032static enum work_done_result
2033ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
2034{
2035 /*
2036 * Use the data embedded in the work struct for reporting
2037 * here so if the driver mangled the SKB before dropping
2038 * it (which is the only way we really should get here)
2039 * then we don't report mangled data.
2040 *
2041 * If there was no wait time, then by the time we get here
2042 * the driver will likely not have reported the status yet,
2043 * so in that case userspace will have to deal with it.
2044 */
2045
28a1bcdb 2046 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
f30221e4
JB		 2047 cfg80211_mgmt_tx_status(wk->sdata->dev,
2048 (unsigned long) wk->offchan_tx.frame,
66e67e41 2049 wk->data, wk->data_len, false, GFP_KERNEL);
f30221e4
JB		 2050
2051 return WORK_DONE_DESTROY;
2052}
2053
2e161f78 2054static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 2055 struct ieee80211_channel *chan, bool offchan,
2e161f78 2056 enum nl80211_channel_type channel_type,
f7ca38df 2057 bool channel_type_valid, unsigned int wait,
e9f935e3 2058 const u8 *buf, size_t len, bool no_cck,
e247bd90 2059 bool dont_wait_for_ack, u64 *cookie)
026331c4 2060{
9d38d85d
JB		 2061 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2062 struct ieee80211_local *local = sdata->local;
2063 struct sk_buff *skb;
2064 struct sta_info *sta;
f30221e4 2065 struct ieee80211_work *wk;
9d38d85d 2066 const struct ieee80211_mgmt *mgmt = (void *)buf;
e247bd90 2067 u32 flags;
f30221e4 2068 bool is_offchan = false;
f7ca38df 2069
e247bd90
JB		 2070 if (dont_wait_for_ack)
2071 flags = IEEE80211_TX_CTL_NO_ACK;
2072 else
2073 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2074 IEEE80211_TX_CTL_REQ_TX_STATUS;
2075
9d38d85d
JB		 2076 /* Check that we are on the requested channel for transmission */
2077 if (chan != local->tmp_channel &&
2078 chan != local->oper_channel)
f30221e4 2079 is_offchan = true;
9d38d85d
JB		 2080 if (channel_type_valid &&
2081 (channel_type != local->tmp_channel_type &&
2082 channel_type != local->_oper_channel_type))
f30221e4
JB		 2083 is_offchan = true;
2084
21f83589
JB		 2085 if (chan == local->hw_roc_channel) {
2086 /* TODO: check channel type? */
2087 is_offchan = false;
2088 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2089 }
2090
aad14ceb
RM		 2091 if (no_cck)
2092 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2093
f30221e4 2094 if (is_offchan && !offchan)
9d38d85d
JB		 2095 return -EBUSY;
2096
2097 switch (sdata->vif.type) {
2098 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 2099 case NL80211_IFTYPE_AP:
2100 case NL80211_IFTYPE_AP_VLAN:
2101 case NL80211_IFTYPE_P2P_GO:
c7108a71 2102 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB		 2103 if (!ieee80211_is_action(mgmt->frame_control) ||
2104 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2105 break;
2106 rcu_read_lock();
2107 sta = sta_info_get(sdata, mgmt->da);
2108 rcu_read_unlock();
2109 if (!sta)
2110 return -ENOLINK;
2111 break;
2112 case NL80211_IFTYPE_STATION:
663fcafd 2113 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 2114 break;
2115 default:
2116 return -EOPNOTSUPP;
2117 }
2118
2119 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2120 if (!skb)
2121 return -ENOMEM;
2122 skb_reserve(skb, local->hw.extra_tx_headroom);
2123
2124 memcpy(skb_put(skb, len), buf, len);
2125
2126 IEEE80211_SKB_CB(skb)->flags = flags;
2127
3a25a8c8
JB		 2128 if (flags & IEEE80211_TX_CTL_TX_OFFCHAN)
2129 IEEE80211_SKB_CB(skb)->hw_queue =
2130 local->hw.offchannel_tx_hw_queue;
2131
9d38d85d 2132 skb->dev = sdata->dev;
9d38d85d
JB		 2133
2134 *cookie = (unsigned long) skb;
f30221e4 2135
90fc4b3a
JB		 2136 if (is_offchan && local->ops->remain_on_channel) {
2137 unsigned int duration;
2138 int ret;
2139
2140 mutex_lock(&local->mtx);
2141 /*
2142 * If the duration is zero, then the driver
2143 * wouldn't actually do anything. Set it to
2144 * 100 for now.
2145 *
2146 * TODO: cancel the off-channel operation
2147 * when we get the SKB's TX status and
2148 * the wait time was zero before.
2149 */
2150 duration = 100;
2151 if (wait)
2152 duration = wait;
2153 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2154 channel_type,
2155 duration, cookie);
2156 if (ret) {
2157 kfree_skb(skb);
2158 mutex_unlock(&local->mtx);
2159 return ret;
2160 }
2161
2162 local->hw_roc_for_tx = true;
2163 local->hw_roc_duration = wait;
2164
2165 /*
2166 * queue up frame for transmission after
2167 * ieee80211_ready_on_channel call
2168 */
2169
2170 /* modify cookie to prevent API mismatches */
2171 *cookie ^= 2;
2172 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
3a25a8c8
JB		 2173 IEEE80211_SKB_CB(skb)->hw_queue =
2174 local->hw.offchannel_tx_hw_queue;
90fc4b3a 2175 local->hw_roc_skb = skb;
4334ec85 2176 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB		 2177 mutex_unlock(&local->mtx);
2178
2179 return 0;
2180 }
2181
f30221e4
JB		 2182 /*
2183 * Can transmit right away if the channel was the
2184 * right one and there's no wait involved... If a
2185 * wait is involved, we might otherwise not be on
2186 * the right channel for long enough!
2187 */
2188 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2189 ieee80211_tx_skb(sdata, skb);
2190 return 0;
2191 }
2192
2193 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2194 if (!wk) {
2195 kfree_skb(skb);
2196 return -ENOMEM;
2197 }
2198
2199 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2200 wk->chan = chan;
4d51e149 2201 wk->chan_type = channel_type;
f30221e4
JB		 2202 wk->sdata = sdata;
2203 wk->done = ieee80211_offchan_tx_done;
2204 wk->offchan_tx.frame = skb;
2205 wk->offchan_tx.wait = wait;
66e67e41
JB		 2206 wk->data_len = len;
2207 memcpy(wk->data, buf, len);
f30221e4
JB		 2208
2209 ieee80211_add_work(wk);
9d38d85d 2210 return 0;
026331c4
JM		 2211}
2212
f30221e4
JB		 2213static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2214 struct net_device *dev,
2215 u64 cookie)
2216{
2217 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2218 struct ieee80211_local *local = sdata->local;
2219 struct ieee80211_work *wk;
2220 int ret = -ENOENT;
2221
2222 mutex_lock(&local->mtx);
90fc4b3a
JB		 2223
2224 if (local->ops->cancel_remain_on_channel) {
2225 cookie ^= 2;
2226 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2227
2228 if (ret == 0) {
2229 kfree_skb(local->hw_roc_skb);
2230 local->hw_roc_skb = NULL;
4334ec85 2231 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB		 2232 }
2233
2234 mutex_unlock(&local->mtx);
2235
2236 return ret;
2237 }
2238
f30221e4
JB		 2239 list_for_each_entry(wk, &local->work_list, list) {
2240 if (wk->sdata != sdata)
2241 continue;
2242
2243 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2244 continue;
2245
2246 if (cookie != (unsigned long) wk->offchan_tx.frame)
2247 continue;
2248
2249 wk->timeout = jiffies;
2250
2251 ieee80211_queue_work(&local->hw, &local->work_work);
2252 ret = 0;
2253 break;
2254 }
2255 mutex_unlock(&local->mtx);
2256
2257 return ret;
2258}
2259
7be5086d
JB		 2260static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2261 struct net_device *dev,
2262 u16 frame_type, bool reg)
2263{
2264 struct ieee80211_local *local = wiphy_priv(wiphy);
2265
2266 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2267 return;
2268
2269 if (reg)
2270 local->probe_req_reg++;
2271 else
2272 local->probe_req_reg--;
2273
2274 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2275}
2276
15d96753
BR		 2277static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2278{
2279 struct ieee80211_local *local = wiphy_priv(wiphy);
2280
2281 if (local->started)
2282 return -EOPNOTSUPP;
2283
2284 return drv_set_antenna(local, tx_ant, rx_ant);
2285}
2286
2287static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2288{
2289 struct ieee80211_local *local = wiphy_priv(wiphy);
2290
2291 return drv_get_antenna(local, tx_ant, rx_ant);
2292}
2293
38c09159
JL		 2294static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2295{
2296 struct ieee80211_local *local = wiphy_priv(wiphy);
2297
2298 return drv_set_ringparam(local, tx, rx);
2299}
2300
2301static void ieee80211_get_ringparam(struct wiphy *wiphy,
2302 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2303{
2304 struct ieee80211_local *local = wiphy_priv(wiphy);
2305
2306 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2307}
2308
c68f4b89
JB		 2309static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2310 struct net_device *dev,
2311 struct cfg80211_gtk_rekey_data *data)
2312{
2313 struct ieee80211_local *local = wiphy_priv(wiphy);
2314 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2315
2316 if (!local->ops->set_rekey_data)
2317 return -EOPNOTSUPP;
2318
2319 drv_set_rekey_data(local, sdata, data);
2320
2321 return 0;
2322}
2323
dfe018bf
AN		 2324static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2325{
2326 u8 *pos = (void *)skb_put(skb, 7);
2327
2328 *pos++ = WLAN_EID_EXT_CAPABILITY;
2329 *pos++ = 5; /* len */
2330 *pos++ = 0x0;
2331 *pos++ = 0x0;
2332 *pos++ = 0x0;
2333 *pos++ = 0x0;
2334 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2335}
2336
2337static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2338{
2339 struct ieee80211_local *local = sdata->local;
2340 u16 capab;
2341
2342 capab = 0;
2343 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2344 return capab;
2345
2346 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2347 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2348 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2349 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2350
2351 return capab;
2352}
2353
2354static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2355 u8 *peer, u8 *bssid)
2356{
2357 struct ieee80211_tdls_lnkie *lnkid;
2358
2359 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2360
2361 lnkid->ie_type = WLAN_EID_LINK_ID;
2362 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2363
2364 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2365 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2366 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2367}
2368
2369static int
2370ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2371 u8 *peer, u8 action_code, u8 dialog_token,
2372 u16 status_code, struct sk_buff *skb)
2373{
2374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2375 struct ieee80211_tdls_data *tf;
2376
2377 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2378
2379 memcpy(tf->da, peer, ETH_ALEN);
2380 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2381 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2382 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2383
2384 switch (action_code) {
2385 case WLAN_TDLS_SETUP_REQUEST:
2386 tf->category = WLAN_CATEGORY_TDLS;
2387 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2388
2389 skb_put(skb, sizeof(tf->u.setup_req));
2390 tf->u.setup_req.dialog_token = dialog_token;
2391 tf->u.setup_req.capability =
2392 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2393
657c3e0c
AN		 2394 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2395 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2396 ieee80211_tdls_add_ext_capab(skb);
2397 break;
2398 case WLAN_TDLS_SETUP_RESPONSE:
2399 tf->category = WLAN_CATEGORY_TDLS;
2400 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2401
2402 skb_put(skb, sizeof(tf->u.setup_resp));
2403 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2404 tf->u.setup_resp.dialog_token = dialog_token;
2405 tf->u.setup_resp.capability =
2406 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2407
657c3e0c
AN		 2408 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2409 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2410 ieee80211_tdls_add_ext_capab(skb);
2411 break;
2412 case WLAN_TDLS_SETUP_CONFIRM:
2413 tf->category = WLAN_CATEGORY_TDLS;
2414 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2415
2416 skb_put(skb, sizeof(tf->u.setup_cfm));
2417 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2418 tf->u.setup_cfm.dialog_token = dialog_token;
2419 break;
2420 case WLAN_TDLS_TEARDOWN:
2421 tf->category = WLAN_CATEGORY_TDLS;
2422 tf->action_code = WLAN_TDLS_TEARDOWN;
2423
2424 skb_put(skb, sizeof(tf->u.teardown));
2425 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2426 break;
2427 case WLAN_TDLS_DISCOVERY_REQUEST:
2428 tf->category = WLAN_CATEGORY_TDLS;
2429 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2430
2431 skb_put(skb, sizeof(tf->u.discover_req));
2432 tf->u.discover_req.dialog_token = dialog_token;
2433 break;
2434 default:
2435 return -EINVAL;
2436 }
2437
2438 return 0;
2439}
2440
2441static int
2442ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2443 u8 *peer, u8 action_code, u8 dialog_token,
2444 u16 status_code, struct sk_buff *skb)
2445{
2446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2447 struct ieee80211_mgmt *mgmt;
2448
2449 mgmt = (void *)skb_put(skb, 24);
2450 memset(mgmt, 0, 24);
2451 memcpy(mgmt->da, peer, ETH_ALEN);
2452 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2453 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2454
2455 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2456 IEEE80211_STYPE_ACTION);
2457
2458 switch (action_code) {
2459 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2460 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2461 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2462 mgmt->u.action.u.tdls_discover_resp.action_code =
2463 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2464 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2465 dialog_token;
2466 mgmt->u.action.u.tdls_discover_resp.capability =
2467 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2468
657c3e0c
AN		 2469 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2470 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2471 ieee80211_tdls_add_ext_capab(skb);
2472 break;
2473 default:
2474 return -EINVAL;
2475 }
2476
2477 return 0;
2478}
2479
2480static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2481 u8 *peer, u8 action_code, u8 dialog_token,
2482 u16 status_code, const u8 *extra_ies,
2483 size_t extra_ies_len)
2484{
2485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2486 struct ieee80211_local *local = sdata->local;
2487 struct ieee80211_tx_info *info;
2488 struct sk_buff *skb = NULL;
2489 bool send_direct;
2490 int ret;
2491
2492 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2493 return -ENOTSUPP;
2494
2495 /* make sure we are in managed mode, and associated */
2496 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2497 !sdata->u.mgd.associated)
2498 return -EINVAL;
2499
2500#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2501 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2502#endif
2503
2504 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2505 max(sizeof(struct ieee80211_mgmt),
2506 sizeof(struct ieee80211_tdls_data)) +
2507 50 + /* supported rates */
2508 7 + /* ext capab */
2509 extra_ies_len +
2510 sizeof(struct ieee80211_tdls_lnkie));
2511 if (!skb)
2512 return -ENOMEM;
2513
2514 info = IEEE80211_SKB_CB(skb);
2515 skb_reserve(skb, local->hw.extra_tx_headroom);
2516
2517 switch (action_code) {
2518 case WLAN_TDLS_SETUP_REQUEST:
2519 case WLAN_TDLS_SETUP_RESPONSE:
2520 case WLAN_TDLS_SETUP_CONFIRM:
2521 case WLAN_TDLS_TEARDOWN:
2522 case WLAN_TDLS_DISCOVERY_REQUEST:
2523 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2524 action_code, dialog_token,
2525 status_code, skb);
2526 send_direct = false;
2527 break;
2528 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2529 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2530 dialog_token, status_code,
2531 skb);
2532 send_direct = true;
2533 break;
2534 default:
2535 ret = -ENOTSUPP;
2536 break;
2537 }
2538
2539 if (ret < 0)
2540 goto fail;
2541
2542 if (extra_ies_len)
2543 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2544
2545 /* the TDLS link IE is always added last */
2546 switch (action_code) {
2547 case WLAN_TDLS_SETUP_REQUEST:
2548 case WLAN_TDLS_SETUP_CONFIRM:
2549 case WLAN_TDLS_TEARDOWN:
2550 case WLAN_TDLS_DISCOVERY_REQUEST:
2551 /* we are the initiator */
2552 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2553 sdata->u.mgd.bssid);
2554 break;
2555 case WLAN_TDLS_SETUP_RESPONSE:
2556 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2557 /* we are the responder */
2558 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2559 sdata->u.mgd.bssid);
2560 break;
2561 default:
2562 ret = -ENOTSUPP;
2563 goto fail;
2564 }
2565
2566 if (send_direct) {
2567 ieee80211_tx_skb(sdata, skb);
2568 return 0;
2569 }
2570
2571 /*
2572 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2573 * we should default to AC_VI.
2574 */
2575 switch (action_code) {
2576 case WLAN_TDLS_SETUP_REQUEST:
2577 case WLAN_TDLS_SETUP_RESPONSE:
2578 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2579 skb->priority = 2;
2580 break;
2581 default:
2582 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2583 skb->priority = 5;
2584 break;
2585 }
2586
2587 /* disable bottom halves when entering the Tx path */
2588 local_bh_disable();
2589 ret = ieee80211_subif_start_xmit(skb, dev);
2590 local_bh_enable();
2591
2592 return ret;
2593
2594fail:
2595 dev_kfree_skb(skb);
2596 return ret;
2597}
2598
2599static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2600 u8 *peer, enum nl80211_tdls_operation oper)
2601{
941c93cd 2602 struct sta_info *sta;
dfe018bf
AN		 2603 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2604
2605 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2606 return -ENOTSUPP;
2607
2608 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2609 return -EINVAL;
2610
2611#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2612 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2613#endif
2614
2615 switch (oper) {
2616 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2617 rcu_read_lock();
2618 sta = sta_info_get(sdata, peer);
2619 if (!sta) {
2620 rcu_read_unlock();
2621 return -ENOLINK;
2622 }
2623
c2c98fde 2624 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2625 rcu_read_unlock();
dfe018bf
AN		 2626 break;
2627 case NL80211_TDLS_DISABLE_LINK:
2628 return sta_info_destroy_addr(sdata, peer);
2629 case NL80211_TDLS_TEARDOWN:
2630 case NL80211_TDLS_SETUP:
2631 case NL80211_TDLS_DISCOVERY_REQ:
2632 /* We don't support in-driver setup/teardown/discovery */
2633 return -ENOTSUPP;
2634 default:
2635 return -ENOTSUPP;
2636 }
2637
2638 return 0;
2639}
2640
06500736
JB		 2641static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2642 const u8 *peer, u64 *cookie)
2643{
2644 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2645 struct ieee80211_local *local = sdata->local;
2646 struct ieee80211_qos_hdr *nullfunc;
2647 struct sk_buff *skb;
2648 int size = sizeof(*nullfunc);
2649 __le16 fc;
2650 bool qos;
2651 struct ieee80211_tx_info *info;
2652 struct sta_info *sta;
2653
2654 rcu_read_lock();
2655 sta = sta_info_get(sdata, peer);
b4487c2d 2656 if (sta) {
06500736 2657 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2658 rcu_read_unlock();
2659 } else {
2660 rcu_read_unlock();
06500736 2661 return -ENOLINK;
b4487c2d 2662 }
06500736
JB		 2663
2664 if (qos) {
2665 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2666 IEEE80211_STYPE_QOS_NULLFUNC |
2667 IEEE80211_FCTL_FROMDS);
2668 } else {
2669 size -= 2;
2670 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2671 IEEE80211_STYPE_NULLFUNC |
2672 IEEE80211_FCTL_FROMDS);
2673 }
2674
2675 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2676 if (!skb)
2677 return -ENOMEM;
2678
2679 skb->dev = dev;
2680
2681 skb_reserve(skb, local->hw.extra_tx_headroom);
2682
2683 nullfunc = (void *) skb_put(skb, size);
2684 nullfunc->frame_control = fc;
2685 nullfunc->duration_id = 0;
2686 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2687 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2688 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2689 nullfunc->seq_ctrl = 0;
2690
2691 info = IEEE80211_SKB_CB(skb);
2692
2693 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2694 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2695
2696 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2697 skb->priority = 7;
2698 if (qos)
2699 nullfunc->qos_ctrl = cpu_to_le16(7);
2700
2701 local_bh_disable();
2702 ieee80211_xmit(sdata, skb);
2703 local_bh_enable();
2704
2705 *cookie = (unsigned long) skb;
2706 return 0;
2707}
2708
e999882a 2709static struct ieee80211_channel *
d91df0e3
PF		 2710ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2711 enum nl80211_channel_type *type)
e999882a
JB		 2712{
2713 struct ieee80211_local *local = wiphy_priv(wiphy);
2714
d91df0e3 2715 *type = local->_oper_channel_type;
e999882a
JB		 2716 return local->oper_channel;
2717}
2718
6d52563f
JB		 2719#ifdef CONFIG_PM
2720static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2721{
2722 drv_set_wakeup(wiphy_priv(wiphy), enabled);
2723}
2724#endif
2725
f0706e82
JB		 2726struct cfg80211_ops mac80211_config_ops = {
2727 .add_virtual_intf = ieee80211_add_iface,
2728 .del_virtual_intf = ieee80211_del_iface,
42613db7 2729 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2730 .add_key = ieee80211_add_key,
2731 .del_key = ieee80211_del_key,
62da92fb 2732 .get_key = ieee80211_get_key,
e8cbb4cb 2733 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2734 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 2735 .start_ap = ieee80211_start_ap,
2736 .change_beacon = ieee80211_change_beacon,
2737 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 2738 .add_station = ieee80211_add_station,
2739 .del_station = ieee80211_del_station,
2740 .change_station = ieee80211_change_station,
7bbdd2d9 2741 .get_station = ieee80211_get_station,
c5dd9c2b 2742 .dump_station = ieee80211_dump_station,
1289723e 2743 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2744#ifdef CONFIG_MAC80211_MESH
2745 .add_mpath = ieee80211_add_mpath,
2746 .del_mpath = ieee80211_del_mpath,
2747 .change_mpath = ieee80211_change_mpath,
2748 .get_mpath = ieee80211_get_mpath,
2749 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2750 .update_mesh_config = ieee80211_update_mesh_config,
2751 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2752 .join_mesh = ieee80211_join_mesh,
2753 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2754#endif
9f1ba906 2755 .change_bss = ieee80211_change_bss,
31888487 2756 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2757 .set_channel = ieee80211_set_channel,
665af4fc
BC		 2758 .suspend = ieee80211_suspend,
2759 .resume = ieee80211_resume,
2a519311 2760 .scan = ieee80211_scan,
79f460ca
LC		 2761 .sched_scan_start = ieee80211_sched_scan_start,
2762 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 2763 .auth = ieee80211_auth,
2764 .assoc = ieee80211_assoc,
2765 .deauth = ieee80211_deauth,
2766 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 2767 .join_ibss = ieee80211_join_ibss,
2768 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2769 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 2770 .set_tx_power = ieee80211_set_tx_power,
2771 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2772 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2773 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2774 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 2775 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 2776 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2777 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 2778 .remain_on_channel = ieee80211_remain_on_channel,
2779 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2780 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2781 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2782 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2783 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 2784 .set_antenna = ieee80211_set_antenna,
2785 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 2786 .set_ringparam = ieee80211_set_ringparam,
2787 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 2788 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 2789 .tdls_oper = ieee80211_tdls_oper,
2790 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 2791 .probe_client = ieee80211_probe_client,
e999882a 2792 .get_channel = ieee80211_wiphy_get_channel,
b53be792 2793 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 2794#ifdef CONFIG_PM
2795 .set_wakeup = ieee80211_set_wakeup,
2796#endif
f0706e82 2797};
Linux kernel - Deliverables
This page took 0.644544 seconds and 5 git commands to generate.