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mac80211: fix chandef tracing bug
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
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
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
76 /*
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
83 */
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 return -EBUSY;
87
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
91
92 ieee80211_configure_filter(local);
93 } else {
94 /*
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
98 */
99 sdata->u.mntr_flags = *flags;
100 }
101 }
f7917af9 102
42613db7
JB		 103 return 0;
104}
105
f142c6b9
JB		 106static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
108{
109 return ieee80211_do_open(wdev, true);
110}
111
112static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
116}
117
b53be792
SW		 118static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
120 u16 noack_map)
121{
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
123
124 sdata->noack_map = noack_map;
125 return 0;
126}
127
e8cbb4cb 128static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 129 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 130 struct key_params *params)
131{
26a58456 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 133 struct sta_info *sta = NULL;
db4d1169 134 struct ieee80211_key *key;
3b96766f 135 int err;
e8cbb4cb 136
26a58456 137 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 138 return -ENETDOWN;
139
97359d12 140 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 143 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
146 return -EINVAL;
3cfcf6ac 147 break;
e8cbb4cb 148 default:
97359d12 149 break;
e8cbb4cb
JB		 150 }
151
97359d12
JB		 152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 154 if (IS_ERR(key))
155 return PTR_ERR(key);
db4d1169 156
e31b8213
JB		 157 if (pairwise)
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
159
ad0e2b5a 160 mutex_lock(&sdata->local->sta_mtx);
3b96766f 161
e8cbb4cb 162 if (mac_addr) {
ff973af7
TP		 163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
165 else
166 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 167 /*
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
173 *
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
176 */
177 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
32162a4d 178 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 179 err = -ENOENT;
180 goto out_unlock;
db4d1169 181 }
e8cbb4cb
JB		 182 }
183
e548c49e
JB		 184 switch (sdata->vif.type) {
185 case NL80211_IFTYPE_STATION:
186 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
187 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
188 break;
189 case NL80211_IFTYPE_AP:
190 case NL80211_IFTYPE_AP_VLAN:
191 /* Keys without a station are used for TX only */
192 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
193 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
194 break;
195 case NL80211_IFTYPE_ADHOC:
196 /* no MFP (yet) */
197 break;
198 case NL80211_IFTYPE_MESH_POINT:
199#ifdef CONFIG_MAC80211_MESH
200 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
201 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
202 break;
203#endif
204 case NL80211_IFTYPE_WDS:
205 case NL80211_IFTYPE_MONITOR:
206 case NL80211_IFTYPE_P2P_DEVICE:
207 case NL80211_IFTYPE_UNSPECIFIED:
208 case NUM_NL80211_IFTYPES:
209 case NL80211_IFTYPE_P2P_CLIENT:
210 case NL80211_IFTYPE_P2P_GO:
211 /* shouldn't happen */
212 WARN_ON_ONCE(1);
213 break;
214 }
215
3ffc2a90
JB		 216 err = ieee80211_key_link(key, sdata, sta);
217 if (err)
218 ieee80211_key_free(sdata->local, key);
db4d1169 219
3b96766f 220 out_unlock:
ad0e2b5a 221 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 222
223 return err;
e8cbb4cb
JB		 224}
225
226static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 227 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 228{
5c0c3641
JB		 229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
230 struct ieee80211_local *local = sdata->local;
e8cbb4cb 231 struct sta_info *sta;
5c0c3641 232 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 233 int ret;
234
5c0c3641
JB		 235 mutex_lock(&local->sta_mtx);
236 mutex_lock(&local->key_mtx);
3b96766f 237
e8cbb4cb 238 if (mac_addr) {
3b96766f
JB		 239 ret = -ENOENT;
240
0e5ded5a 241 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 242 if (!sta)
3b96766f 243 goto out_unlock;
e8cbb4cb 244
5c0c3641 245 if (pairwise)
40b275b6 246 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 247 else
40b275b6 248 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 249 } else
40b275b6 250 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 251
5c0c3641 252 if (!key) {
3b96766f
JB		 253 ret = -ENOENT;
254 goto out_unlock;
255 }
e8cbb4cb 256
5c0c3641 257 __ieee80211_key_free(key);
e8cbb4cb 258
3b96766f
JB		 259 ret = 0;
260 out_unlock:
5c0c3641
JB		 261 mutex_unlock(&local->key_mtx);
262 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 263
264 return ret;
e8cbb4cb
JB		 265}
266
62da92fb 267static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 268 u8 key_idx, bool pairwise, const u8 *mac_addr,
269 void *cookie,
62da92fb
JB		 270 void (*callback)(void *cookie,
271 struct key_params *params))
272{
14db74bc 273 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 274 struct sta_info *sta = NULL;
275 u8 seq[6] = {0};
276 struct key_params params;
e31b8213 277 struct ieee80211_key *key = NULL;
aba83a0b 278 u64 pn64;
62da92fb
JB		 279 u32 iv32;
280 u16 iv16;
281 int err = -ENOENT;
282
14db74bc
JB		 283 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
284
3b96766f
JB		 285 rcu_read_lock();
286
62da92fb 287 if (mac_addr) {
0e5ded5a 288 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 289 if (!sta)
290 goto out;
291
e31b8213 292 if (pairwise)
a3836e02 293 key = rcu_dereference(sta->ptk);
e31b8213 294 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 295 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 296 } else
a3836e02 297 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 298
299 if (!key)
300 goto out;
301
302 memset(&params, 0, sizeof(params));
303
97359d12 304 params.cipher = key->conf.cipher;
62da92fb 305
97359d12
JB		 306 switch (key->conf.cipher) {
307 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 308 iv32 = key->u.tkip.tx.iv32;
309 iv16 = key->u.tkip.tx.iv16;
62da92fb 310
24487981
JB		 311 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
312 drv_get_tkip_seq(sdata->local,
313 key->conf.hw_key_idx,
314 &iv32, &iv16);
62da92fb
JB		 315
316 seq[0] = iv16 & 0xff;
317 seq[1] = (iv16 >> 8) & 0xff;
318 seq[2] = iv32 & 0xff;
319 seq[3] = (iv32 >> 8) & 0xff;
320 seq[4] = (iv32 >> 16) & 0xff;
321 seq[5] = (iv32 >> 24) & 0xff;
322 params.seq = seq;
323 params.seq_len = 6;
324 break;
97359d12 325 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 326 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
327 seq[0] = pn64;
328 seq[1] = pn64 >> 8;
329 seq[2] = pn64 >> 16;
330 seq[3] = pn64 >> 24;
331 seq[4] = pn64 >> 32;
332 seq[5] = pn64 >> 40;
62da92fb
JB		 333 params.seq = seq;
334 params.seq_len = 6;
335 break;
97359d12 336 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 337 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
338 seq[0] = pn64;
339 seq[1] = pn64 >> 8;
340 seq[2] = pn64 >> 16;
341 seq[3] = pn64 >> 24;
342 seq[4] = pn64 >> 32;
343 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 344 params.seq = seq;
345 params.seq_len = 6;
346 break;
62da92fb
JB		 347 }
348
349 params.key = key->conf.key;
350 params.key_len = key->conf.keylen;
351
352 callback(cookie, &params);
353 err = 0;
354
355 out:
3b96766f 356 rcu_read_unlock();
62da92fb
JB		 357 return err;
358}
359
e8cbb4cb
JB		 360static int ieee80211_config_default_key(struct wiphy *wiphy,
361 struct net_device *dev,
dbd2fd65
JB		 362 u8 key_idx, bool uni,
363 bool multi)
e8cbb4cb 364{
ad0e2b5a 365 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 366
f7e0104c 367 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 368
369 return 0;
370}
371
3cfcf6ac
JM		 372static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
373 struct net_device *dev,
374 u8 key_idx)
375{
66c52421 376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 377
3cfcf6ac
JM		 378 ieee80211_set_default_mgmt_key(sdata, key_idx);
379
3cfcf6ac
JM		 380 return 0;
381}
382
6b62bf32
TP		 383void sta_set_rate_info_tx(struct sta_info *sta,
384 const struct ieee80211_tx_rate *rate,
385 struct rate_info *rinfo)
386{
387 rinfo->flags = 0;
8bc83c24 388 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 389 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 390 rinfo->mcs = rate->idx;
391 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
392 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
393 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
394 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
395 } else {
396 struct ieee80211_supported_band *sband;
397 sband = sta->local->hw.wiphy->bands[
398 ieee80211_get_sdata_band(sta->sdata)];
399 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
400 }
6b62bf32
TP		 401 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
402 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 403 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
404 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
405 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
406 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 407 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
408 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 409}
410
003e676a
S		 411void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
412{
413 rinfo->flags = 0;
414
415 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
416 rinfo->flags |= RATE_INFO_FLAGS_MCS;
417 rinfo->mcs = sta->last_rx_rate_idx;
418 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
419 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
420 rinfo->nss = sta->last_rx_rate_vht_nss;
421 rinfo->mcs = sta->last_rx_rate_idx;
422 } else {
423 struct ieee80211_supported_band *sband;
424
425 sband = sta->local->hw.wiphy->bands[
426 ieee80211_get_sdata_band(sta->sdata)];
427 rinfo->legacy =
428 sband->bitrates[sta->last_rx_rate_idx].bitrate;
429 }
430
431 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
432 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
433 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
434 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
435 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
436 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
437 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
438 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
439 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
440 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
441}
442
c5dd9c2b
LCC		 443static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
444{
d0709a65 445 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 446 struct ieee80211_local *local = sdata->local;
ebe27c91 447 struct timespec uptime;
c5dd9c2b 448
f5ea9120
JB		 449 sinfo->generation = sdata->local->sta_generation;
450
c5dd9c2b
LCC		 451 sinfo->filled = STATION_INFO_INACTIVE_TIME |
452 STATION_INFO_RX_BYTES |
420e7fab 453 STATION_INFO_TX_BYTES |
98c8a60a
JM		 454 STATION_INFO_RX_PACKETS |
455 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 456 STATION_INFO_TX_RETRIES |
457 STATION_INFO_TX_FAILED |
5a5c731a 458 STATION_INFO_TX_BITRATE |
3af6334c 459 STATION_INFO_RX_BITRATE |
f4263c98 460 STATION_INFO_RX_DROP_MISC |
ebe27c91 461 STATION_INFO_BSS_PARAM |
7a724767 462 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 463 STATION_INFO_STA_FLAGS |
464 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 465
466 do_posix_clock_monotonic_gettime(&uptime);
467 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 468
469 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
470 sinfo->rx_bytes = sta->rx_bytes;
471 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 472 sinfo->rx_packets = sta->rx_packets;
473 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 474 sinfo->tx_retries = sta->tx_retry_count;
475 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 476 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 477 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 478
19deffbe
JL		 479 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
480 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 481 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 482 if (!local->ops->get_rssi ||
483 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
484 sinfo->signal = (s8)sta->last_signal;
541a45a1 485 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 486 }
487
6b62bf32 488 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 489 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 490
902acc78 491 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 492#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 493 sinfo->filled |= STATION_INFO_LLID |
494 STATION_INFO_PLID |
3f52b7e3
MP		 495 STATION_INFO_PLINK_STATE |
496 STATION_INFO_LOCAL_PM |
497 STATION_INFO_PEER_PM |
498 STATION_INFO_NONPEER_PM;
c5dd9c2b
LCC		 499
500 sinfo->llid = le16_to_cpu(sta->llid);
501 sinfo->plid = le16_to_cpu(sta->plid);
502 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 503 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
504 sinfo->filled |= STATION_INFO_T_OFFSET;
505 sinfo->t_offset = sta->t_offset;
506 }
3f52b7e3
MP		 507 sinfo->local_pm = sta->local_pm;
508 sinfo->peer_pm = sta->peer_pm;
509 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 510#endif
902acc78 511 }
f4263c98
PS		 512
513 sinfo->bss_param.flags = 0;
514 if (sdata->vif.bss_conf.use_cts_prot)
515 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
516 if (sdata->vif.bss_conf.use_short_preamble)
517 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
518 if (sdata->vif.bss_conf.use_short_slot)
519 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
520 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
521 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 522
523 sinfo->sta_flags.set = 0;
524 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
525 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
526 BIT(NL80211_STA_FLAG_WME) |
527 BIT(NL80211_STA_FLAG_MFP) |
e4121562 528 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 529 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 530 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 531 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
532 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
533 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
534 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
535 if (test_sta_flag(sta, WLAN_STA_WME))
536 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
537 if (test_sta_flag(sta, WLAN_STA_MFP))
538 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
539 if (test_sta_flag(sta, WLAN_STA_AUTH))
540 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 541 if (test_sta_flag(sta, WLAN_STA_ASSOC))
542 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 543 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
544 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 545}
546
b1ab7925
BG		 547static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
548 "rx_packets", "rx_bytes", "wep_weak_iv_count",
549 "rx_duplicates", "rx_fragments", "rx_dropped",
550 "tx_packets", "tx_bytes", "tx_fragments",
551 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 552 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
553 "channel", "noise", "ch_time", "ch_time_busy",
554 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 555};
556#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
557
558static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
559 struct net_device *dev,
560 int sset)
561{
e352114f
BG		 562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
563 int rv = 0;
564
b1ab7925 565 if (sset == ETH_SS_STATS)
e352114f
BG		 566 rv += STA_STATS_LEN;
567
568 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 569
e352114f
BG		 570 if (rv == 0)
571 return -EOPNOTSUPP;
572 return rv;
b1ab7925
BG		 573}
574
575static void ieee80211_get_et_stats(struct wiphy *wiphy,
576 struct net_device *dev,
577 struct ethtool_stats *stats,
578 u64 *data)
579{
580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 581 struct ieee80211_chanctx_conf *chanctx_conf;
582 struct ieee80211_channel *channel;
b1ab7925
BG		 583 struct sta_info *sta;
584 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 585 struct station_info sinfo;
586 struct survey_info survey;
587 int i, q;
588#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 589
590 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
591
592#define ADD_STA_STATS(sta) \
593 do { \
594 data[i++] += sta->rx_packets; \
595 data[i++] += sta->rx_bytes; \
596 data[i++] += sta->wep_weak_iv_count; \
597 data[i++] += sta->num_duplicates; \
598 data[i++] += sta->rx_fragments; \
599 data[i++] += sta->rx_dropped; \
600 \
601 data[i++] += sta->tx_packets; \
602 data[i++] += sta->tx_bytes; \
603 data[i++] += sta->tx_fragments; \
604 data[i++] += sta->tx_filtered_count; \
605 data[i++] += sta->tx_retry_failed; \
606 data[i++] += sta->tx_retry_count; \
607 data[i++] += sta->beacon_loss_count; \
608 } while (0)
609
610 /* For Managed stations, find the single station based on BSSID
611 * and use that. For interface types, iterate through all available
612 * stations and add stats for any station that is assigned to this
613 * network device.
614 */
615
66572cfc 616 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 617
618 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
619 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 620
621 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
622 goto do_survey;
623
624 i = 0;
625 ADD_STA_STATS(sta);
626
627 data[i++] = sta->sta_state;
628
629 sinfo.filled = 0;
630 sta_set_sinfo(sta, &sinfo);
631
5204267d 632 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 633 data[i] = 100000 *
634 cfg80211_calculate_bitrate(&sinfo.txrate);
635 i++;
5204267d 636 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 637 data[i] = 100000 *
638 cfg80211_calculate_bitrate(&sinfo.rxrate);
639 i++;
640
5204267d 641 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 642 data[i] = (u8)sinfo.signal_avg;
643 i++;
b1ab7925 644 } else {
66572cfc 645 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 646 /* Make sure this station belongs to the proper dev */
647 if (sta->sdata->dev != dev)
648 continue;
649
650 i = 0;
651 ADD_STA_STATS(sta);
b1ab7925
BG		 652 }
653 }
654
3073a7c2
BG		 655do_survey:
656 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
657 /* Get survey stats for current channel */
55de908a 658 survey.filled = 0;
3073a7c2 659
55de908a
JB		 660 rcu_read_lock();
661 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
662 if (chanctx_conf)
4bf88530 663 channel = chanctx_conf->def.chan;
55de908a
JB		 664 else
665 channel = NULL;
666 rcu_read_unlock();
667
668 if (channel) {
669 q = 0;
670 do {
671 survey.filled = 0;
672 if (drv_get_survey(local, q, &survey) != 0) {
673 survey.filled = 0;
674 break;
675 }
676 q++;
677 } while (channel != survey.channel);
3073a7c2
BG		 678 }
679
680 if (survey.filled)
681 data[i++] = survey.channel->center_freq;
682 else
683 data[i++] = 0;
684 if (survey.filled & SURVEY_INFO_NOISE_DBM)
685 data[i++] = (u8)survey.noise;
686 else
687 data[i++] = -1LL;
688 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
689 data[i++] = survey.channel_time;
690 else
691 data[i++] = -1LL;
692 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
693 data[i++] = survey.channel_time_busy;
694 else
695 data[i++] = -1LL;
696 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
697 data[i++] = survey.channel_time_ext_busy;
698 else
699 data[i++] = -1LL;
700 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
701 data[i++] = survey.channel_time_rx;
702 else
703 data[i++] = -1LL;
704 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
705 data[i++] = survey.channel_time_tx;
706 else
707 data[i++] = -1LL;
708
66572cfc 709 mutex_unlock(&local->sta_mtx);
e352114f 710
3073a7c2
BG		 711 if (WARN_ON(i != STA_STATS_LEN))
712 return;
713
e352114f 714 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 715}
716
717static void ieee80211_get_et_strings(struct wiphy *wiphy,
718 struct net_device *dev,
719 u32 sset, u8 *data)
720{
e352114f
BG		 721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
722 int sz_sta_stats = 0;
723
b1ab7925 724 if (sset == ETH_SS_STATS) {
e352114f 725 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 726 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
727 }
e352114f 728 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 729}
c5dd9c2b
LCC		 730
731static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
733{
3b53fde8 734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 735 struct ieee80211_local *local = sdata->local;
c5dd9c2b 736 struct sta_info *sta;
d0709a65
JB		 737 int ret = -ENOENT;
738
66572cfc 739 mutex_lock(&local->sta_mtx);
c5dd9c2b 740
3b53fde8 741 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 742 if (sta) {
743 ret = 0;
17741cdc 744 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 745 sta_set_sinfo(sta, sinfo);
746 }
c5dd9c2b 747
66572cfc 748 mutex_unlock(&local->sta_mtx);
c5dd9c2b 749
d0709a65 750 return ret;
c5dd9c2b
LCC		 751}
752
1289723e
HS		 753static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
755{
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
757
1289723e
HS		 758 return drv_get_survey(local, idx, survey);
759}
760
7bbdd2d9 761static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 762 u8 *mac, struct station_info *sinfo)
7bbdd2d9 763{
abe60632 764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 765 struct ieee80211_local *local = sdata->local;
7bbdd2d9 766 struct sta_info *sta;
d0709a65 767 int ret = -ENOENT;
7bbdd2d9 768
66572cfc 769 mutex_lock(&local->sta_mtx);
7bbdd2d9 770
0e5ded5a 771 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 772 if (sta) {
773 ret = 0;
774 sta_set_sinfo(sta, sinfo);
775 }
776
66572cfc 777 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 778
779 return ret;
7bbdd2d9
JB		 780}
781
55de908a 782static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 783 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 784{
785 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 786 struct ieee80211_sub_if_data *sdata;
787 int ret = 0;
3d9e6e12 788
4bf88530 789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 790 return 0;
3d9e6e12 791
55de908a
JB		 792 mutex_lock(&local->iflist_mtx);
793 if (local->use_chanctx) {
794 sdata = rcu_dereference_protected(
795 local->monitor_sdata,
796 lockdep_is_held(&local->iflist_mtx));
797 if (sdata) {
798 ieee80211_vif_release_channel(sdata);
4bf88530 799 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 800 IEEE80211_CHANCTX_EXCLUSIVE);
801 }
802 } else if (local->open_count == local->monitors) {
683b6d3b 803 local->_oper_channel = chandef->chan;
4bf88530 804 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
55de908a
JB		 805 ieee80211_hw_config(local, 0);
806 }
3d9e6e12 807
4bf88530
JB		 808 if (ret == 0)
809 local->monitor_chandef = *chandef;
55de908a 810 mutex_unlock(&local->iflist_mtx);
3d9e6e12 811
55de908a 812 return ret;
e8c9bd5b
JB		 813}
814
02945821 815static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 816 const u8 *resp, size_t resp_len)
02945821 817{
aa7a0080 818 struct probe_resp *new, *old;
02945821
AN		 819
820 if (!resp || !resp_len)
aba4e6ff 821 return 1;
02945821 822
f724828b 823 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 824
aa7a0080 825 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 826 if (!new)
827 return -ENOMEM;
828
aa7a0080
ES		 829 new->len = resp_len;
830 memcpy(new->data, resp, resp_len);
02945821
AN		 831
832 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 833 if (old)
834 kfree_rcu(old, rcu_head);
02945821
AN		 835
836 return 0;
837}
838
8860020e
JB		 839static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
840 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 841{
842 struct beacon_data *new, *old;
843 int new_head_len, new_tail_len;
8860020e
JB		 844 int size, err;
845 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 846
40b275b6 847 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 848
5dfdaf58
JB		 849 /* Need to have a beacon head if we don't have one yet */
850 if (!params->head && !old)
8860020e 851 return -EINVAL;
5dfdaf58
JB		 852
853 /* new or old head? */
854 if (params->head)
855 new_head_len = params->head_len;
856 else
857 new_head_len = old->head_len;
858
859 /* new or old tail? */
860 if (params->tail || !old)
861 /* params->tail_len will be zero for !params->tail */
862 new_tail_len = params->tail_len;
863 else
864 new_tail_len = old->tail_len;
865
866 size = sizeof(*new) + new_head_len + new_tail_len;
867
868 new = kzalloc(size, GFP_KERNEL);
869 if (!new)
870 return -ENOMEM;
871
872 /* start filling the new info now */
873
5dfdaf58
JB		 874 /*
875 * pointers go into the block we allocated,
876 * memory is | beacon_data | head | tail |
877 */
878 new->head = ((u8 *) new) + sizeof(*new);
879 new->tail = new->head + new_head_len;
880 new->head_len = new_head_len;
881 new->tail_len = new_tail_len;
882
883 /* copy in head */
884 if (params->head)
885 memcpy(new->head, params->head, new_head_len);
886 else
887 memcpy(new->head, old->head, new_head_len);
888
889 /* copy in optional tail */
890 if (params->tail)
891 memcpy(new->tail, params->tail, new_tail_len);
892 else
893 if (old)
894 memcpy(new->tail, old->tail, new_tail_len);
895
02945821
AN		 896 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
897 params->probe_resp_len);
8860020e
JB		 898 if (err < 0)
899 return err;
900 if (err == 0)
02945821
AN		 901 changed |= BSS_CHANGED_AP_PROBE_RESP;
902
8860020e
JB		 903 rcu_assign_pointer(sdata->u.ap.beacon, new);
904
905 if (old)
906 kfree_rcu(old, rcu_head);
7827493b 907
8860020e 908 return changed;
5dfdaf58
JB		 909}
910
8860020e
JB		 911static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
912 struct cfg80211_ap_settings *params)
5dfdaf58 913{
8860020e 914 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 915 struct beacon_data *old;
665c93a9 916 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 917 u32 changed = BSS_CHANGED_BEACON_INT |
918 BSS_CHANGED_BEACON_ENABLED |
919 BSS_CHANGED_BEACON |
339afbf4
JB		 920 BSS_CHANGED_SSID |
921 BSS_CHANGED_P2P_PS;
8860020e 922 int err;
14db74bc 923
40b275b6 924 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 925 if (old)
926 return -EALREADY;
927
04ecd257
JB		 928 /* TODO: make hostapd tell us what it wants */
929 sdata->smps_mode = IEEE80211_SMPS_OFF;
930 sdata->needed_rx_chains = sdata->local->rx_chains;
931
4bf88530 932 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 933 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 934 if (err)
935 return err;
936
665c93a9
JB		 937 /*
938 * Apply control port protocol, this allows us to
939 * not encrypt dynamic WEP control frames.
940 */
941 sdata->control_port_protocol = params->crypto.control_port_ethertype;
942 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
943 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
944 vlan->control_port_protocol =
945 params->crypto.control_port_ethertype;
946 vlan->control_port_no_encrypt =
947 params->crypto.control_port_no_encrypt;
948 }
949
8860020e
JB		 950 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
951 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 952 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 953
954 sdata->vif.bss_conf.ssid_len = params->ssid_len;
955 if (params->ssid_len)
956 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
957 params->ssid_len);
958 sdata->vif.bss_conf.hidden_ssid =
959 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
960
339afbf4
JB		 961 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
962 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
963
8860020e
JB		 964 err = ieee80211_assign_beacon(sdata, &params->beacon);
965 if (err < 0)
966 return err;
967 changed |= err;
968
1041638f
JB		 969 err = drv_start_ap(sdata->local, sdata);
970 if (err) {
971 old = rtnl_dereference(sdata->u.ap.beacon);
972 if (old)
973 kfree_rcu(old, rcu_head);
974 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
975 return err;
976 }
977
8860020e
JB		 978 ieee80211_bss_info_change_notify(sdata, changed);
979
3edaf3e6
JB		 980 netif_carrier_on(dev);
981 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
982 netif_carrier_on(vlan->dev);
983
665c93a9 984 return 0;
5dfdaf58
JB		 985}
986
8860020e
JB		 987static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
988 struct cfg80211_beacon_data *params)
5dfdaf58 989{
14db74bc 990 struct ieee80211_sub_if_data *sdata;
5dfdaf58 991 struct beacon_data *old;
8860020e 992 int err;
5dfdaf58 993
14db74bc
JB		 994 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
995
40b275b6 996 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 997 if (!old)
998 return -ENOENT;
999
8860020e
JB		 1000 err = ieee80211_assign_beacon(sdata, params);
1001 if (err < 0)
1002 return err;
1003 ieee80211_bss_info_change_notify(sdata, err);
1004 return 0;
5dfdaf58
JB		 1005}
1006
8860020e 1007static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1008{
7b20b8e8
JB		 1009 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010 struct ieee80211_sub_if_data *vlan;
1011 struct ieee80211_local *local = sdata->local;
1012 struct beacon_data *old_beacon;
1013 struct probe_resp *old_probe_resp;
14db74bc 1014
7b20b8e8
JB		 1015 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1016 if (!old_beacon)
5dfdaf58 1017 return -ENOENT;
7b20b8e8 1018 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1019
7b20b8e8 1020 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1021 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1022 netif_carrier_off(vlan->dev);
1023 netif_carrier_off(dev);
1024
7b20b8e8 1025 /* remove beacon and probe response */
a9b3cd7f 1026 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1027 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1028 kfree_rcu(old_beacon, rcu_head);
1029 if (old_probe_resp)
1030 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1031
2d4072a5 1032 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1033 sta_info_flush_defer(vlan);
1034 sta_info_flush_defer(sdata);
1035 rcu_barrier();
1036 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1037 sta_info_flush_cleanup(vlan);
1038 sta_info_flush_cleanup(sdata);
1039
d6a83228
JB		 1040 sdata->vif.bss_conf.enable_beacon = false;
1041 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1042 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1043
1041638f
JB		 1044 drv_stop_ap(sdata->local, sdata);
1045
7b20b8e8
JB		 1046 /* free all potentially still buffered bcast frames */
1047 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1048 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1049
55de908a
JB		 1050 ieee80211_vif_release_channel(sdata);
1051
2d0ddec5 1052 return 0;
5dfdaf58
JB		 1053}
1054
4fd6931e
JB		 1055/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1056struct iapp_layer2_update {
1057 u8 da[ETH_ALEN]; /* broadcast */
1058 u8 sa[ETH_ALEN]; /* STA addr */
1059 __be16 len; /* 6 */
1060 u8 dsap; /* 0 */
1061 u8 ssap; /* 0 */
1062 u8 control;
1063 u8 xid_info[3];
bc10502d 1064} __packed;
4fd6931e
JB		 1065
1066static void ieee80211_send_layer2_update(struct sta_info *sta)
1067{
1068 struct iapp_layer2_update *msg;
1069 struct sk_buff *skb;
1070
1071 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1072 * bridge devices */
1073
1074 skb = dev_alloc_skb(sizeof(*msg));
1075 if (!skb)
1076 return;
1077 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1078
1079 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1080 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1081
e83e6541 1082 eth_broadcast_addr(msg->da);
17741cdc 1083 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1084 msg->len = htons(6);
1085 msg->dsap = 0;
1086 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1087 msg->control = 0xaf; /* XID response lsb.1111F101.
1088 * F=0 (no poll command; unsolicited frame) */
1089 msg->xid_info[0] = 0x81; /* XID format identifier */
1090 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1091 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1092
d0709a65
JB		 1093 skb->dev = sta->sdata->dev;
1094 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1095 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1096 netif_rx_ni(skb);
4fd6931e
JB		 1097}
1098
d582cffb
JB		 1099static int sta_apply_auth_flags(struct ieee80211_local *local,
1100 struct sta_info *sta,
1101 u32 mask, u32 set)
1102{
1103 int ret;
1104
1105 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1106 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1107 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1108 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1109 if (ret)
1110 return ret;
1111 }
1112
1113 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1114 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1115 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1116 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1117 if (ret)
1118 return ret;
1119 }
1120
1121 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1122 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1123 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1124 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1125 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1126 else
1127 ret = 0;
1128 if (ret)
1129 return ret;
1130 }
1131
1132 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1133 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1134 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1135 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1136 if (ret)
1137 return ret;
1138 }
1139
1140 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1141 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1142 test_sta_flag(sta, WLAN_STA_AUTH)) {
1143 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1144 if (ret)
1145 return ret;
1146 }
1147
1148 return 0;
1149}
1150
d9a7ddb0
JB		 1151static int sta_apply_parameters(struct ieee80211_local *local,
1152 struct sta_info *sta,
1153 struct station_parameters *params)
4fd6931e 1154{
d9a7ddb0 1155 int ret = 0;
4fd6931e
JB		 1156 u32 rates;
1157 int i, j;
8318d78a 1158 struct ieee80211_supported_band *sband;
d0709a65 1159 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1160 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1161 u32 mask, set;
4fd6931e 1162
55de908a 1163 sband = local->hw.wiphy->bands[band];
ae5eb026 1164
eccb8e8f
JB		 1165 mask = params->sta_flags_mask;
1166 set = params->sta_flags_set;
73651ee6 1167
d582cffb
JB		 1168 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1169 /*
1170 * In mesh mode, ASSOCIATED isn't part of the nl80211
1171 * API but must follow AUTHENTICATED for driver state.
1172 */
1173 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1174 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1175 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1176 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
eccb8e8f 1177 }
4fd6931e 1178
d582cffb
JB		 1179 ret = sta_apply_auth_flags(local, sta, mask, set);
1180 if (ret)
1181 return ret;
d9a7ddb0 1182
eccb8e8f 1183 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1184 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1185 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1186 else
1187 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1188 }
4fd6931e 1189
eccb8e8f 1190 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1191 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1192 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1193 sta->sta.wme = true;
c2c98fde
JB		 1194 } else {
1195 clear_sta_flag(sta, WLAN_STA_WME);
1196 sta->sta.wme = false;
39df600a 1197 }
eccb8e8f 1198 }
5394af4d 1199
eccb8e8f 1200 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1201 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1202 set_sta_flag(sta, WLAN_STA_MFP);
1203 else
1204 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1205 }
b39c48fa 1206
07ba55d7 1207 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1208 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1209 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1210 else
1211 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1212 }
4fd6931e 1213
3b9ce80c
JB		 1214 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1215 sta->sta.uapsd_queues = params->uapsd_queues;
1216 sta->sta.max_sp = params->max_sp;
1217 }
9533b4ac 1218
51b50fbe
JB		 1219 /*
1220 * cfg80211 validates this (1-2007) and allows setting the AID
1221 * only when creating a new station entry
1222 */
1223 if (params->aid)
1224 sta->sta.aid = params->aid;
1225
73651ee6 1226 /*
ba23d206
JB		 1227 * Some of the following updates would be racy if called on an
1228 * existing station, via ieee80211_change_station(). However,
1229 * all such changes are rejected by cfg80211 except for updates
1230 * changing the supported rates on an existing but not yet used
1231 * TDLS peer.
73651ee6
JB		 1232 */
1233
4fd6931e
JB		 1234 if (params->listen_interval >= 0)
1235 sta->listen_interval = params->listen_interval;
1236
1237 if (params->supported_rates) {
1238 rates = 0;
8318d78a 1239
4fd6931e
JB		 1240 for (i = 0; i < params->supported_rates_len; i++) {
1241 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1242 for (j = 0; j < sband->n_bitrates; j++) {
1243 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1244 rates |= BIT(j);
1245 }
1246 }
55de908a 1247 sta->sta.supp_rates[band] = rates;
4fd6931e 1248 }
c5dd9c2b 1249
d9fe60de 1250 if (params->ht_capa)
ef96a842 1251 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1252 params->ht_capa,
d9fe60de 1253 &sta->sta.ht_cap);
36aedc90 1254
f461be3e
MP		 1255 if (params->vht_capa)
1256 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1257 params->vht_capa,
1258 &sta->sta.vht_cap);
1259
9c3990aa 1260 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1261#ifdef CONFIG_MAC80211_MESH
1617bab8
MP		 1262 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) {
1263 u32 changed = 0;
1264
9c3990aa 1265 switch (params->plink_state) {
57cf8043 1266 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1267 if (sta->plink_state != NL80211_PLINK_ESTAB)
1268 changed = mesh_plink_inc_estab_count(
1269 sdata);
1270 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1271
1272 ieee80211_mps_sta_status_update(sta);
1273 ieee80211_mps_set_sta_local_pm(sta,
1274 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1275 break;
1276 case NL80211_PLINK_LISTEN:
57cf8043 1277 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1278 case NL80211_PLINK_OPN_SNT:
1279 case NL80211_PLINK_OPN_RCVD:
1280 case NL80211_PLINK_CNF_RCVD:
1281 case NL80211_PLINK_HOLDING:
1282 if (sta->plink_state == NL80211_PLINK_ESTAB)
1283 changed = mesh_plink_dec_estab_count(
1284 sdata);
9c3990aa 1285 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1286
1287 ieee80211_mps_sta_status_update(sta);
1288 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1289 break;
1290 default:
1291 /* nothing */
1292 break;
1293 }
1617bab8
MP		 1294 ieee80211_bss_info_change_notify(sdata, changed);
1295 } else {
9c3990aa
JC		 1296 switch (params->plink_action) {
1297 case PLINK_ACTION_OPEN:
1298 mesh_plink_open(sta);
1299 break;
1300 case PLINK_ACTION_BLOCK:
1301 mesh_plink_block(sta);
1302 break;
1303 }
1617bab8 1304 }
3f52b7e3
MP		 1305
1306 if (params->local_pm)
1307 ieee80211_mps_set_sta_local_pm(sta, params->local_pm);
4daf50f2 1308#endif
902acc78 1309 }
d9a7ddb0
JB		 1310
1311 return 0;
4fd6931e
JB		 1312}
1313
1314static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1315 u8 *mac, struct station_parameters *params)
1316{
14db74bc 1317 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1318 struct sta_info *sta;
1319 struct ieee80211_sub_if_data *sdata;
73651ee6 1320 int err;
b8d476c8 1321 int layer2_update;
4fd6931e 1322
4fd6931e
JB		 1323 if (params->vlan) {
1324 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1325
05c914fe
JB		 1326 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1327 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1328 return -EINVAL;
1329 } else
1330 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1331
b203ca39 1332 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1333 return -EINVAL;
1334
1335 if (is_multicast_ether_addr(mac))
1336 return -EINVAL;
1337
1338 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1339 if (!sta)
1340 return -ENOMEM;
4fd6931e 1341
d582cffb
JB		 1342 /*
1343 * defaults -- if userspace wants something else we'll
1344 * change it accordingly in sta_apply_parameters()
1345 */
83d5cc01
JB		 1346 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1347 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1348
d9a7ddb0
JB		 1349 err = sta_apply_parameters(local, sta, params);
1350 if (err) {
1351 sta_info_free(local, sta);
1352 return err;
1353 }
4fd6931e 1354
d64cf63e
AN		 1355 /*
1356 * for TDLS, rate control should be initialized only when supported
1357 * rates are known.
1358 */
1359 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1360 rate_control_rate_init(sta);
4fd6931e 1361
b8d476c8
JM		 1362 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1363 sdata->vif.type == NL80211_IFTYPE_AP;
1364
34e89507 1365 err = sta_info_insert_rcu(sta);
73651ee6 1366 if (err) {
73651ee6
JB		 1367 rcu_read_unlock();
1368 return err;
1369 }
1370
b8d476c8 1371 if (layer2_update)
73651ee6
JB		 1372 ieee80211_send_layer2_update(sta);
1373
1374 rcu_read_unlock();
1375
4fd6931e
JB		 1376 return 0;
1377}
1378
1379static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1380 u8 *mac)
1381{
14db74bc 1382 struct ieee80211_sub_if_data *sdata;
4fd6931e 1383
14db74bc
JB		 1384 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1385
34e89507
JB		 1386 if (mac)
1387 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1388
b998e8bb 1389 sta_info_flush(sdata);
4fd6931e
JB		 1390 return 0;
1391}
1392
1393static int ieee80211_change_station(struct wiphy *wiphy,
1394 struct net_device *dev,
1395 u8 *mac,
1396 struct station_parameters *params)
1397{
abe60632 1398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1399 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1400 struct sta_info *sta;
1401 struct ieee80211_sub_if_data *vlansdata;
35b88623 1402 int err;
4fd6931e 1403
87be1e1e 1404 mutex_lock(&local->sta_mtx);
98dd6a57 1405
0e5ded5a 1406 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1407 if (!sta) {
87be1e1e 1408 mutex_unlock(&local->sta_mtx);
4fd6931e 1409 return -ENOENT;
98dd6a57 1410 }
4fd6931e 1411
bdd90d5e
JB		 1412 /* in station mode, supported rates are only valid with TDLS */
1413 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1414 params->supported_rates &&
1415 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1416 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1417 return -EINVAL;
1418 }
1419
d0709a65 1420 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1421 bool prev_4addr = false;
1422 bool new_4addr = false;
1423
4fd6931e
JB		 1424 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1425
05c914fe
JB		 1426 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1427 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1428 mutex_unlock(&local->sta_mtx);
4fd6931e 1429 return -EINVAL;
98dd6a57 1430 }
4fd6931e 1431
9bc383de 1432 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1433 if (vlansdata->u.vlan.sta) {
87be1e1e 1434 mutex_unlock(&local->sta_mtx);
f14543ee 1435 return -EBUSY;
3305443c 1436 }
f14543ee 1437
cf778b00 1438 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1439 new_4addr = true;
1440 }
1441
1442 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1443 sta->sdata->u.vlan.sta) {
1444 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1445 prev_4addr = true;
f14543ee
FF		 1446 }
1447
14db74bc 1448 sta->sdata = vlansdata;
7e3ed02c
FF		 1449
1450 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1451 prev_4addr != new_4addr) {
1452 if (new_4addr)
1453 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1454 else
1455 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1456 }
1457
4fd6931e
JB		 1458 ieee80211_send_layer2_update(sta);
1459 }
1460
35b88623
EP		 1461 err = sta_apply_parameters(local, sta, params);
1462 if (err) {
1463 mutex_unlock(&local->sta_mtx);
1464 return err;
1465 }
4fd6931e 1466
d64cf63e
AN		 1467 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1468 rate_control_rate_init(sta);
1469
87be1e1e 1470 mutex_unlock(&local->sta_mtx);
98dd6a57 1471
808118cb 1472 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1473 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1474 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1475 ieee80211_recalc_ps_vif(sdata);
1476 }
4fd6931e
JB		 1477 return 0;
1478}
1479
c5dd9c2b
LCC		 1480#ifdef CONFIG_MAC80211_MESH
1481static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1482 u8 *dst, u8 *next_hop)
1483{
14db74bc 1484 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1485 struct mesh_path *mpath;
1486 struct sta_info *sta;
1487 int err;
1488
14db74bc
JB		 1489 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1490
d0709a65 1491 rcu_read_lock();
abe60632 1492 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1493 if (!sta) {
1494 rcu_read_unlock();
c5dd9c2b 1495 return -ENOENT;
d0709a65 1496 }
c5dd9c2b 1497
f698d856 1498 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1499 if (err) {
1500 rcu_read_unlock();
c5dd9c2b 1501 return err;
d0709a65 1502 }
c5dd9c2b 1503
f698d856 1504 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1505 if (!mpath) {
1506 rcu_read_unlock();
c5dd9c2b
LCC		 1507 return -ENXIO;
1508 }
1509 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1510
c5dd9c2b
LCC		 1511 rcu_read_unlock();
1512 return 0;
1513}
1514
1515static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1516 u8 *dst)
1517{
f698d856
JBG		 1518 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1519
c5dd9c2b 1520 if (dst)
f698d856 1521 return mesh_path_del(dst, sdata);
c5dd9c2b 1522
ece1a2e7 1523 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1524 return 0;
1525}
1526
1527static int ieee80211_change_mpath(struct wiphy *wiphy,
1528 struct net_device *dev,
1529 u8 *dst, u8 *next_hop)
1530{
14db74bc 1531 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1532 struct mesh_path *mpath;
1533 struct sta_info *sta;
1534
14db74bc
JB		 1535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1536
d0709a65
JB		 1537 rcu_read_lock();
1538
abe60632 1539 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1540 if (!sta) {
1541 rcu_read_unlock();
c5dd9c2b 1542 return -ENOENT;
d0709a65 1543 }
c5dd9c2b 1544
f698d856 1545 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1546 if (!mpath) {
1547 rcu_read_unlock();
c5dd9c2b
LCC		 1548 return -ENOENT;
1549 }
1550
1551 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1552
c5dd9c2b
LCC		 1553 rcu_read_unlock();
1554 return 0;
1555}
1556
1557static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1558 struct mpath_info *pinfo)
1559{
a3836e02
JB		 1560 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1561
1562 if (next_hop_sta)
1563 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1564 else
1565 memset(next_hop, 0, ETH_ALEN);
1566
7ce8c7a3
LAYS		 1567 memset(pinfo, 0, sizeof(*pinfo));
1568
f5ea9120
JB		 1569 pinfo->generation = mesh_paths_generation;
1570
c5dd9c2b 1571 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1572 MPATH_INFO_SN |
c5dd9c2b
LCC		 1573 MPATH_INFO_METRIC |
1574 MPATH_INFO_EXPTIME |
1575 MPATH_INFO_DISCOVERY_TIMEOUT |
1576 MPATH_INFO_DISCOVERY_RETRIES |
1577 MPATH_INFO_FLAGS;
1578
1579 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1580 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1581 pinfo->metric = mpath->metric;
1582 if (time_before(jiffies, mpath->exp_time))
1583 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1584 pinfo->discovery_timeout =
1585 jiffies_to_msecs(mpath->discovery_timeout);
1586 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1587 if (mpath->flags & MESH_PATH_ACTIVE)
1588 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1589 if (mpath->flags & MESH_PATH_RESOLVING)
1590 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1591 if (mpath->flags & MESH_PATH_SN_VALID)
1592 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1593 if (mpath->flags & MESH_PATH_FIXED)
1594 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1595 if (mpath->flags & MESH_PATH_RESOLVED)
1596 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1597}
1598
1599static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1600 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1601
1602{
14db74bc 1603 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1604 struct mesh_path *mpath;
1605
14db74bc
JB		 1606 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1607
c5dd9c2b 1608 rcu_read_lock();
f698d856 1609 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1610 if (!mpath) {
1611 rcu_read_unlock();
1612 return -ENOENT;
1613 }
1614 memcpy(dst, mpath->dst, ETH_ALEN);
1615 mpath_set_pinfo(mpath, next_hop, pinfo);
1616 rcu_read_unlock();
1617 return 0;
1618}
1619
1620static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1621 int idx, u8 *dst, u8 *next_hop,
1622 struct mpath_info *pinfo)
1623{
14db74bc 1624 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1625 struct mesh_path *mpath;
1626
14db74bc
JB		 1627 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1628
c5dd9c2b 1629 rcu_read_lock();
f698d856 1630 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1631 if (!mpath) {
1632 rcu_read_unlock();
1633 return -ENOENT;
1634 }
1635 memcpy(dst, mpath->dst, ETH_ALEN);
1636 mpath_set_pinfo(mpath, next_hop, pinfo);
1637 rcu_read_unlock();
1638 return 0;
1639}
93da9cc1 1640
24bdd9f4 1641static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1642 struct net_device *dev,
1643 struct mesh_config *conf)
1644{
1645 struct ieee80211_sub_if_data *sdata;
1646 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1647
93da9cc1 1648 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1649 return 0;
1650}
1651
1652static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1653{
1654 return (mask >> (parm-1)) & 0x1;
1655}
1656
c80d545d
JC		 1657static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1658 const struct mesh_setup *setup)
1659{
1660 u8 *new_ie;
1661 const u8 *old_ie;
4bb62344
CYY		 1662 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1663 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1664
581a8b0f 1665 /* allocate information elements */
c80d545d 1666 new_ie = NULL;
581a8b0f 1667 old_ie = ifmsh->ie;
c80d545d 1668
581a8b0f
JC		 1669 if (setup->ie_len) {
1670 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1671 GFP_KERNEL);
1672 if (!new_ie)
1673 return -ENOMEM;
1674 }
581a8b0f
JC		 1675 ifmsh->ie_len = setup->ie_len;
1676 ifmsh->ie = new_ie;
1677 kfree(old_ie);
c80d545d
JC		 1678
1679 /* now copy the rest of the setup parameters */
1680 ifmsh->mesh_id_len = setup->mesh_id_len;
1681 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1682 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1683 ifmsh->mesh_pp_id = setup->path_sel_proto;
1684 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1685 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1686 if (setup->is_authenticated)
1687 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1688 if (setup->is_secure)
1689 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1690
4bb62344
CYY		 1691 /* mcast rate setting in Mesh Node */
1692 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1693 sizeof(setup->mcast_rate));
1694
9bdbf04d
MP		 1695 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1696 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1697
c80d545d
JC		 1698 return 0;
1699}
1700
24bdd9f4 1701static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1702 struct net_device *dev, u32 mask,
1703 const struct mesh_config *nconf)
93da9cc1 1704{
1705 struct mesh_config *conf;
1706 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1707 struct ieee80211_if_mesh *ifmsh;
1708
93da9cc1 1709 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1710 ifmsh = &sdata->u.mesh;
93da9cc1 1711
93da9cc1 1712 /* Set the config options which we are interested in setting */
1713 conf = &(sdata->u.mesh.mshcfg);
1714 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1715 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1716 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1717 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1718 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1719 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1720 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1721 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1723 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1724 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1725 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1726 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1727 conf->element_ttl = nconf->element_ttl;
93da9cc1 1728 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1729 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1730 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1731 conf->dot11MeshNbrOffsetMaxNeighbor =
1732 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1733 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1734 conf->dot11MeshHWMPmaxPREQretries =
1735 nconf->dot11MeshHWMPmaxPREQretries;
1736 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1737 conf->path_refresh_time = nconf->path_refresh_time;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1739 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1740 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1741 conf->dot11MeshHWMPactivePathTimeout =
1742 nconf->dot11MeshHWMPactivePathTimeout;
1743 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1744 conf->dot11MeshHWMPpreqMinInterval =
1745 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1746 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1747 conf->dot11MeshHWMPperrMinInterval =
1748 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1749 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1750 mask))
1751 conf->dot11MeshHWMPnetDiameterTraversalTime =
1752 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1753 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1754 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1755 ieee80211_mesh_root_setup(ifmsh);
1756 }
16dd7267 1757 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1758 /* our current gate announcement implementation rides on root
1759 * announcements, so require this ifmsh to also be a root node
1760 * */
1761 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1762 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1763 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1764 ieee80211_mesh_root_setup(ifmsh);
1765 }
16dd7267
JC		 1766 conf->dot11MeshGateAnnouncementProtocol =
1767 nconf->dot11MeshGateAnnouncementProtocol;
1768 }
a4f606ea 1769 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1770 conf->dot11MeshHWMPRannInterval =
1771 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1772 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1773 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1774 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1775 /* our RSSI threshold implementation is supported only for
1776 * devices that report signal in dBm.
1777 */
1778 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1779 return -ENOTSUPP;
1780 conf->rssi_threshold = nconf->rssi_threshold;
1781 }
70c33eaa
AN		 1782 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1783 conf->ht_opmode = nconf->ht_opmode;
1784 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1785 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1786 }
ac1073a6
CYY		 1787 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1788 conf->dot11MeshHWMPactivePathToRootTimeout =
1789 nconf->dot11MeshHWMPactivePathToRootTimeout;
1790 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1791 conf->dot11MeshHWMProotInterval =
1792 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1793 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1794 conf->dot11MeshHWMPconfirmationInterval =
1795 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1796 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1797 conf->power_mode = nconf->power_mode;
1798 ieee80211_mps_local_status_update(sdata);
1799 }
1800 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) {
1801 conf->dot11MeshAwakeWindowDuration =
1802 nconf->dot11MeshAwakeWindowDuration;
1803 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1804 }
93da9cc1 1805 return 0;
1806}
1807
29cbe68c
JB		 1808static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1809 const struct mesh_config *conf,
1810 const struct mesh_setup *setup)
1811{
1812 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1813 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1814 int err;
29cbe68c 1815
c80d545d
JC		 1816 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1817 err = copy_mesh_setup(ifmsh, setup);
1818 if (err)
1819 return err;
cc1d2806 1820
04ecd257
JB		 1821 /* can mesh use other SMPS modes? */
1822 sdata->smps_mode = IEEE80211_SMPS_OFF;
1823 sdata->needed_rx_chains = sdata->local->rx_chains;
1824
4bf88530 1825 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1826 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1827 if (err)
1828 return err;
1829
29cbe68c
JB		 1830 ieee80211_start_mesh(sdata);
1831
1832 return 0;
1833}
1834
1835static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1836{
1837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1838
1839 ieee80211_stop_mesh(sdata);
55de908a 1840 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1841
1842 return 0;
1843}
c5dd9c2b
LCC		 1844#endif
1845
9f1ba906
JM		 1846static int ieee80211_change_bss(struct wiphy *wiphy,
1847 struct net_device *dev,
1848 struct bss_parameters *params)
1849{
55de908a
JB		 1850 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1851 enum ieee80211_band band;
9f1ba906
JM		 1852 u32 changed = 0;
1853
55de908a
JB		 1854 if (!rtnl_dereference(sdata->u.ap.beacon))
1855 return -ENOENT;
1856
1857 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1858
9f1ba906 1859 if (params->use_cts_prot >= 0) {
bda3933a 1860 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1861 changed |= BSS_CHANGED_ERP_CTS_PROT;
1862 }
1863 if (params->use_short_preamble >= 0) {
bda3933a 1864 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1865 params->use_short_preamble;
1866 changed |= BSS_CHANGED_ERP_PREAMBLE;
1867 }
43d35343
FF		 1868
1869 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1870 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1871 sdata->vif.bss_conf.use_short_slot = true;
1872 changed |= BSS_CHANGED_ERP_SLOT;
1873 }
1874
9f1ba906 1875 if (params->use_short_slot_time >= 0) {
bda3933a 1876 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1877 params->use_short_slot_time;
1878 changed |= BSS_CHANGED_ERP_SLOT;
1879 }
1880
90c97a04
JM		 1881 if (params->basic_rates) {
1882 int i, j;
1883 u32 rates = 0;
55de908a 1884 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1885
1886 for (i = 0; i < params->basic_rates_len; i++) {
1887 int rate = (params->basic_rates[i] & 0x7f) * 5;
1888 for (j = 0; j < sband->n_bitrates; j++) {
1889 if (sband->bitrates[j].bitrate == rate)
1890 rates |= BIT(j);
1891 }
1892 }
1893 sdata->vif.bss_conf.basic_rates = rates;
1894 changed |= BSS_CHANGED_BASIC_RATES;
1895 }
1896
7b7b5e56
FF		 1897 if (params->ap_isolate >= 0) {
1898 if (params->ap_isolate)
1899 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1900 else
1901 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1902 }
1903
80d7e403
HS		 1904 if (params->ht_opmode >= 0) {
1905 sdata->vif.bss_conf.ht_operation_mode =
1906 (u16) params->ht_opmode;
1907 changed |= BSS_CHANGED_HT;
1908 }
1909
339afbf4
JB		 1910 if (params->p2p_ctwindow >= 0) {
1911 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1912 changed |= BSS_CHANGED_P2P_PS;
1913 }
1914
1915 if (params->p2p_opp_ps >= 0) {
1916 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1917 changed |= BSS_CHANGED_P2P_PS;
1918 }
1919
9f1ba906
JM		 1920 ieee80211_bss_info_change_notify(sdata, changed);
1921
1922 return 0;
1923}
1924
31888487 1925static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1926 struct net_device *dev,
31888487
JM		 1927 struct ieee80211_txq_params *params)
1928{
1929 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1930 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1931 struct ieee80211_tx_queue_params p;
1932
1933 if (!local->ops->conf_tx)
1934 return -EOPNOTSUPP;
1935
54bcbc69
JB		 1936 if (local->hw.queues < IEEE80211_NUM_ACS)
1937 return -EOPNOTSUPP;
1938
31888487
JM		 1939 memset(&p, 0, sizeof(p));
1940 p.aifs = params->aifs;
1941 p.cw_max = params->cwmax;
1942 p.cw_min = params->cwmin;
1943 p.txop = params->txop;
ab13315a
KV		 1944
1945 /*
1946 * Setting tx queue params disables u-apsd because it's only
1947 * called in master mode.
1948 */
1949 p.uapsd = false;
1950
a3304b0a
JB		 1951 sdata->tx_conf[params->ac] = p;
1952 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1953 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1954 "failed to set TX queue parameters for AC %d\n",
1955 params->ac);
31888487
JM		 1956 return -EINVAL;
1957 }
1958
7d25745d
JB		 1959 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1960
31888487
JM		 1961 return 0;
1962}
1963
665af4fc 1964#ifdef CONFIG_PM
ff1b6e69
JB		 1965static int ieee80211_suspend(struct wiphy *wiphy,
1966 struct cfg80211_wowlan *wowlan)
665af4fc 1967{
eecc4800 1968 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1969}
1970
1971static int ieee80211_resume(struct wiphy *wiphy)
1972{
1973 return __ieee80211_resume(wiphy_priv(wiphy));
1974}
1975#else
1976#define ieee80211_suspend NULL
1977#define ieee80211_resume NULL
1978#endif
1979
2a519311 1980static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1981 struct cfg80211_scan_request *req)
1982{
fd014284
JB		 1983 struct ieee80211_sub_if_data *sdata;
1984
1985 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1986
2ca27bcf
JB		 1987 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1988 case NL80211_IFTYPE_STATION:
1989 case NL80211_IFTYPE_ADHOC:
1990 case NL80211_IFTYPE_MESH_POINT:
1991 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1992 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1993 break;
1994 case NL80211_IFTYPE_P2P_GO:
1995 if (sdata->local->ops->hw_scan)
1996 break;
e9d7732e
JB		 1997 /*
1998 * FIXME: implement NoA while scanning in software,
1999 * for now fall through to allow scanning only when
2000 * beaconing hasn't been configured yet
2001 */
2ca27bcf 2002 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2003 /*
2004 * If the scan has been forced (and the driver supports
2005 * forcing), don't care about being beaconing already.
2006 * This will create problems to the attached stations (e.g. all
2007 * the frames sent while scanning on other channel will be
2008 * lost)
2009 */
2010 if (sdata->u.ap.beacon &&
2011 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2012 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2013 return -EOPNOTSUPP;
2014 break;
2015 default:
2016 return -EOPNOTSUPP;
2017 }
2a519311
JB		 2018
2019 return ieee80211_request_scan(sdata, req);
2020}
2021
79f460ca
LC		 2022static int
2023ieee80211_sched_scan_start(struct wiphy *wiphy,
2024 struct net_device *dev,
2025 struct cfg80211_sched_scan_request *req)
2026{
2027 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028
2029 if (!sdata->local->ops->sched_scan_start)
2030 return -EOPNOTSUPP;
2031
2032 return ieee80211_request_sched_scan_start(sdata, req);
2033}
2034
2035static int
85a9994a 2036ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2037{
2038 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2039
2040 if (!sdata->local->ops->sched_scan_stop)
2041 return -EOPNOTSUPP;
2042
85a9994a 2043 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2044}
2045
636a5d36
JM		 2046static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2047 struct cfg80211_auth_request *req)
2048{
77fdaa12 2049 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2050}
2051
2052static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2053 struct cfg80211_assoc_request *req)
2054{
77fdaa12 2055 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2056}
2057
2058static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2059 struct cfg80211_deauth_request *req)
636a5d36 2060{
63c9c5e7 2061 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2062}
2063
2064static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2065 struct cfg80211_disassoc_request *req)
636a5d36 2066{
63c9c5e7 2067 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2068}
2069
af8cdcd8
JB		 2070static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2071 struct cfg80211_ibss_params *params)
2072{
55de908a 2073 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2074}
2075
2076static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2077{
55de908a 2078 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2079}
2080
391e53e3
AQ		 2081static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2082 int rate[IEEE80211_NUM_BANDS])
2083{
2084 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2085
2086 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
2087
2088 return 0;
2089}
2090
b9a5f8ca
JM		 2091static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2092{
2093 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2094 int err;
b9a5f8ca 2095
f23a4780
AN		 2096 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2097 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2098
2099 if (err)
2100 return err;
2101 }
2102
310bc676
LT		 2103 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2104 err = drv_set_coverage_class(local, wiphy->coverage_class);
2105
2106 if (err)
2107 return err;
2108 }
2109
b9a5f8ca 2110 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2111 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2112
24487981
JB		 2113 if (err)
2114 return err;
b9a5f8ca
JM		 2115 }
2116
8bc83c24
JB		 2117 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2118 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2119 return -EINVAL;
b9a5f8ca 2120 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2121 }
2122 if (changed & WIPHY_PARAM_RETRY_LONG) {
2123 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2124 return -EINVAL;
b9a5f8ca 2125 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2126 }
b9a5f8ca
JM		 2127 if (changed &
2128 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2129 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2130
2131 return 0;
2132}
2133
7643a2c3 2134static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2135 struct wireless_dev *wdev,
fa61cf70 2136 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2137{
2138 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2139 struct ieee80211_sub_if_data *sdata;
7643a2c3 2140
1ea6f9c0
JB		 2141 if (wdev) {
2142 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2143
2144 switch (type) {
2145 case NL80211_TX_POWER_AUTOMATIC:
2146 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2147 break;
2148 case NL80211_TX_POWER_LIMITED:
2149 case NL80211_TX_POWER_FIXED:
2150 if (mbm < 0 || (mbm % 100))
2151 return -EOPNOTSUPP;
2152 sdata->user_power_level = MBM_TO_DBM(mbm);
2153 break;
2154 }
2155
2156 ieee80211_recalc_txpower(sdata);
2157
2158 return 0;
2159 }
55de908a 2160
7643a2c3 2161 switch (type) {
fa61cf70 2162 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2163 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2164 break;
fa61cf70 2165 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2166 case NL80211_TX_POWER_FIXED:
2167 if (mbm < 0 || (mbm % 100))
2168 return -EOPNOTSUPP;
fa61cf70 2169 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2170 break;
7643a2c3
JB		 2171 }
2172
1ea6f9c0
JB		 2173 mutex_lock(&local->iflist_mtx);
2174 list_for_each_entry(sdata, &local->interfaces, list)
2175 sdata->user_power_level = local->user_power_level;
2176 list_for_each_entry(sdata, &local->interfaces, list)
2177 ieee80211_recalc_txpower(sdata);
2178 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2179
2180 return 0;
2181}
2182
c8442118
JB		 2183static int ieee80211_get_tx_power(struct wiphy *wiphy,
2184 struct wireless_dev *wdev,
2185 int *dbm)
7643a2c3
JB		 2186{
2187 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2188 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2189
1ea6f9c0
JB		 2190 if (!local->use_chanctx)
2191 *dbm = local->hw.conf.power_level;
2192 else
2193 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2194
7643a2c3
JB		 2195 return 0;
2196}
2197
ab737a4f 2198static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2199 const u8 *addr)
ab737a4f
JB		 2200{
2201 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2202
2203 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2204
2205 return 0;
2206}
2207
1f87f7d3
JB		 2208static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2209{
2210 struct ieee80211_local *local = wiphy_priv(wiphy);
2211
2212 drv_rfkill_poll(local);
2213}
2214
aff89a9b 2215#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2216static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2217{
2218 struct ieee80211_local *local = wiphy_priv(wiphy);
2219
2220 if (!local->ops->testmode_cmd)
2221 return -EOPNOTSUPP;
2222
2223 return local->ops->testmode_cmd(&local->hw, data, len);
2224}
71063f0e
WYG		 2225
2226static int ieee80211_testmode_dump(struct wiphy *wiphy,
2227 struct sk_buff *skb,
2228 struct netlink_callback *cb,
2229 void *data, int len)
2230{
2231 struct ieee80211_local *local = wiphy_priv(wiphy);
2232
2233 if (!local->ops->testmode_dump)
2234 return -EOPNOTSUPP;
2235
2236 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2237}
aff89a9b
JB		 2238#endif
2239
0f78231b
JB		 2240int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2241 enum ieee80211_smps_mode smps_mode)
2242{
2243 const u8 *ap;
2244 enum ieee80211_smps_mode old_req;
2245 int err;
2246
243e6df4
JB		 2247 lockdep_assert_held(&sdata->u.mgd.mtx);
2248
0f78231b
JB		 2249 old_req = sdata->u.mgd.req_smps;
2250 sdata->u.mgd.req_smps = smps_mode;
2251
2252 if (old_req == smps_mode &&
2253 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2254 return 0;
2255
2256 /*
2257 * If not associated, or current association is not an HT
04ecd257
JB		 2258 * association, there's no need to do anything, just store
2259 * the new value until we associate.
0f78231b
JB		 2260 */
2261 if (!sdata->u.mgd.associated ||
4bf88530 2262 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2263 return 0;
0f78231b 2264
0c1ad2ca 2265 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2266
2267 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2268 if (sdata->u.mgd.powersave)
2269 smps_mode = IEEE80211_SMPS_DYNAMIC;
2270 else
2271 smps_mode = IEEE80211_SMPS_OFF;
2272 }
2273
2274 /* send SM PS frame to AP */
2275 err = ieee80211_send_smps_action(sdata, smps_mode,
2276 ap, ap);
2277 if (err)
2278 sdata->u.mgd.req_smps = old_req;
2279
2280 return err;
2281}
2282
bc92afd9
JB		 2283static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2284 bool enabled, int timeout)
2285{
2286 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2287 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2288
ee1f6681
CYY		 2289 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2290 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2291 return -EOPNOTSUPP;
2292
bc92afd9
JB		 2293 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2294 return -EOPNOTSUPP;
2295
2296 if (enabled == sdata->u.mgd.powersave &&
ff616381 2297 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2298 return 0;
2299
2300 sdata->u.mgd.powersave = enabled;
ff616381 2301 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2302
0f78231b
JB		 2303 /* no change, but if automatic follow powersave */
2304 mutex_lock(&sdata->u.mgd.mtx);
2305 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2306 mutex_unlock(&sdata->u.mgd.mtx);
2307
bc92afd9
JB		 2308 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2309 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2310
2311 ieee80211_recalc_ps(local, -1);
ab095877 2312 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2313
2314 return 0;
2315}
2316
a97c13c3
JO		 2317static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2318 struct net_device *dev,
2319 s32 rssi_thold, u32 rssi_hyst)
2320{
2321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2322 struct ieee80211_vif *vif = &sdata->vif;
2323 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2324
a97c13c3
JO		 2325 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2326 rssi_hyst == bss_conf->cqm_rssi_hyst)
2327 return 0;
2328
2329 bss_conf->cqm_rssi_thold = rssi_thold;
2330 bss_conf->cqm_rssi_hyst = rssi_hyst;
2331
2332 /* tell the driver upon association, unless already associated */
ea086359
JB		 2333 if (sdata->u.mgd.associated &&
2334 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2335 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2336
2337 return 0;
2338}
2339
9930380f
JB		 2340static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2341 struct net_device *dev,
2342 const u8 *addr,
2343 const struct cfg80211_bitrate_mask *mask)
2344{
2345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2347 int i, ret;
2c7e6bc9 2348
554a43d5
EP		 2349 if (!ieee80211_sdata_running(sdata))
2350 return -ENETDOWN;
2351
bdbfd6b5
SM		 2352 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2353 ret = drv_set_bitrate_mask(local, sdata, mask);
2354 if (ret)
2355 return ret;
2356 }
9930380f 2357
19468413 2358 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2359 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2360 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2361 sizeof(mask->control[i].mcs));
2362 }
9930380f 2363
37eb0b16 2364 return 0;
9930380f
JB		 2365}
2366
2eb278e0
JB		 2367static int ieee80211_start_roc_work(struct ieee80211_local *local,
2368 struct ieee80211_sub_if_data *sdata,
2369 struct ieee80211_channel *channel,
2eb278e0
JB		 2370 unsigned int duration, u64 *cookie,
2371 struct sk_buff *txskb)
2372{
2373 struct ieee80211_roc_work *roc, *tmp;
2374 bool queued = false;
21f83589 2375 int ret;
21f83589
JB		 2376
2377 lockdep_assert_held(&local->mtx);
2378
fe57d9f5
JB		 2379 if (local->use_chanctx && !local->ops->remain_on_channel)
2380 return -EOPNOTSUPP;
2381
2eb278e0
JB		 2382 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2383 if (!roc)
2384 return -ENOMEM;
2385
2386 roc->chan = channel;
2eb278e0
JB		 2387 roc->duration = duration;
2388 roc->req_duration = duration;
2389 roc->frame = txskb;
2390 roc->mgmt_tx_cookie = (unsigned long)txskb;
2391 roc->sdata = sdata;
2392 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2393 INIT_LIST_HEAD(&roc->dependents);
2394
2395 /* if there's one pending or we're scanning, queue this one */
2396 if (!list_empty(&local->roc_list) || local->scanning)
2397 goto out_check_combine;
2398
2399 /* if not HW assist, just queue & schedule work */
2400 if (!local->ops->remain_on_channel) {
2401 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2402 goto out_queue;
2403 }
2404
2405 /* otherwise actually kick it off here (for error handling) */
2406
2407 /*
2408 * If the duration is zero, then the driver
2409 * wouldn't actually do anything. Set it to
2410 * 10 for now.
2411 *
2412 * TODO: cancel the off-channel operation
2413 * when we get the SKB's TX status and
2414 * the wait time was zero before.
2415 */
2416 if (!duration)
2417 duration = 10;
2418
42d97a59 2419 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2420 if (ret) {
2eb278e0
JB		 2421 kfree(roc);
2422 return ret;
21f83589
JB		 2423 }
2424
2eb278e0
JB		 2425 roc->started = true;
2426 goto out_queue;
2427
2428 out_check_combine:
2429 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2430 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2431 continue;
2432
2433 /*
2434 * Extend this ROC if possible:
2435 *
2436 * If it hasn't started yet, just increase the duration
2437 * and add the new one to the list of dependents.
2438 */
2439 if (!tmp->started) {
2440 list_add_tail(&roc->list, &tmp->dependents);
2441 tmp->duration = max(tmp->duration, roc->duration);
2442 queued = true;
2443 break;
2444 }
2445
2446 /* If it has already started, it's more difficult ... */
2447 if (local->ops->remain_on_channel) {
2448 unsigned long j = jiffies;
2449
2450 /*
2451 * In the offloaded ROC case, if it hasn't begun, add
2452 * this new one to the dependent list to be handled
2453 * when the the master one begins. If it has begun,
2454 * check that there's still a minimum time left and
2455 * if so, start this one, transmitting the frame, but
2456 * add it to the list directly after this one with a
2457 * a reduced time so we'll ask the driver to execute
2458 * it right after finishing the previous one, in the
2459 * hope that it'll also be executed right afterwards,
2460 * effectively extending the old one.
2461 * If there's no minimum time left, just add it to the
2462 * normal list.
2463 */
2464 if (!tmp->hw_begun) {
2465 list_add_tail(&roc->list, &tmp->dependents);
2466 queued = true;
2467 break;
2468 }
2469
2470 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2471 tmp->hw_start_time +
2472 msecs_to_jiffies(tmp->duration))) {
2473 int new_dur;
2474
2475 ieee80211_handle_roc_started(roc);
2476
2477 new_dur = roc->duration -
2478 jiffies_to_msecs(tmp->hw_start_time +
2479 msecs_to_jiffies(
2480 tmp->duration) -
2481 j);
2482
2483 if (new_dur > 0) {
2484 /* add right after tmp */
2485 list_add(&roc->list, &tmp->list);
2486 } else {
2487 list_add_tail(&roc->list,
2488 &tmp->dependents);
2489 }
2490 queued = true;
2491 }
2492 } else if (del_timer_sync(&tmp->work.timer)) {
2493 unsigned long new_end;
2494
2495 /*
2496 * In the software ROC case, cancel the timer, if
2497 * that fails then the finish work is already
2498 * queued/pending and thus we queue the new ROC
2499 * normally, if that succeeds then we can extend
2500 * the timer duration and TX the frame (if any.)
2501 */
2502
2503 list_add_tail(&roc->list, &tmp->dependents);
2504 queued = true;
2505
2506 new_end = jiffies + msecs_to_jiffies(roc->duration);
2507
2508 /* ok, it was started & we canceled timer */
2509 if (time_after(new_end, tmp->work.timer.expires))
2510 mod_timer(&tmp->work.timer, new_end);
2511 else
2512 add_timer(&tmp->work.timer);
2513
2514 ieee80211_handle_roc_started(roc);
2515 }
2516 break;
2517 }
2518
2519 out_queue:
2520 if (!queued)
2521 list_add_tail(&roc->list, &local->roc_list);
2522
2523 /*
50febf6a 2524 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2525 * or the SKB (for mgmt TX)
2526 */
50febf6a
JB		 2527 if (!txskb) {
2528 /* local->mtx protects this */
2529 local->roc_cookie_counter++;
2530 roc->cookie = local->roc_cookie_counter;
2531 /* wow, you wrapped 64 bits ... more likely a bug */
2532 if (WARN_ON(roc->cookie == 0)) {
2533 roc->cookie = 1;
2534 local->roc_cookie_counter++;
2535 }
2536 *cookie = roc->cookie;
2537 } else {
2eb278e0 2538 *cookie = (unsigned long)txskb;
50febf6a 2539 }
2eb278e0
JB		 2540
2541 return 0;
21f83589
JB		 2542}
2543
b8bc4b0a 2544static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2545 struct wireless_dev *wdev,
b8bc4b0a 2546 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2547 unsigned int duration,
2548 u64 *cookie)
2549{
71bbc994 2550 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2551 struct ieee80211_local *local = sdata->local;
2eb278e0 2552 int ret;
21f83589 2553
2eb278e0 2554 mutex_lock(&local->mtx);
42d97a59 2555 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2556 duration, cookie, NULL);
2557 mutex_unlock(&local->mtx);
b8bc4b0a 2558
2eb278e0 2559 return ret;
b8bc4b0a
JB		 2560}
2561
2eb278e0
JB		 2562static int ieee80211_cancel_roc(struct ieee80211_local *local,
2563 u64 cookie, bool mgmt_tx)
21f83589 2564{
2eb278e0 2565 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2566 int ret;
2567
2eb278e0
JB		 2568 mutex_lock(&local->mtx);
2569 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2570 struct ieee80211_roc_work *dep, *tmp2;
2571
2572 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2573 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2574 continue;
2575 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2576 continue;
2577 /* found dependent item -- just remove it */
2578 list_del(&dep->list);
2579 mutex_unlock(&local->mtx);
2580
2581 ieee80211_roc_notify_destroy(dep);
2582 return 0;
2583 }
2584
50febf6a 2585 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2586 continue;
2587 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2588 continue;
21f83589 2589
2eb278e0
JB		 2590 found = roc;
2591 break;
2592 }
21f83589 2593
2eb278e0
JB		 2594 if (!found) {
2595 mutex_unlock(&local->mtx);
2596 return -ENOENT;
2597 }
21f83589 2598
e979e33c
JB		 2599 /*
2600 * We found the item to cancel, so do that. Note that it
2601 * may have dependents, which we also cancel (and send
2602 * the expired signal for.) Not doing so would be quite
2603 * tricky here, but we may need to fix it later.
2604 */
2605
2eb278e0
JB		 2606 if (local->ops->remain_on_channel) {
2607 if (found->started) {
2608 ret = drv_cancel_remain_on_channel(local);
2609 if (WARN_ON_ONCE(ret)) {
2610 mutex_unlock(&local->mtx);
2611 return ret;
2612 }
2613 }
21f83589 2614
2eb278e0 2615 list_del(&found->list);
21f83589 2616
0f6b3f59
JB		 2617 if (found->started)
2618 ieee80211_start_next_roc(local);
2eb278e0 2619 mutex_unlock(&local->mtx);
21f83589 2620
2eb278e0
JB		 2621 ieee80211_roc_notify_destroy(found);
2622 } else {
2623 /* work may be pending so use it all the time */
2624 found->abort = true;
2625 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2626
21f83589
JB		 2627 mutex_unlock(&local->mtx);
2628
2eb278e0
JB		 2629 /* work will clean up etc */
2630 flush_delayed_work(&found->work);
21f83589 2631 }
b8bc4b0a 2632
2eb278e0 2633 return 0;
b8bc4b0a
JB		 2634}
2635
2eb278e0 2636static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2637 struct wireless_dev *wdev,
2eb278e0 2638 u64 cookie)
f30221e4 2639{
71bbc994 2640 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2641 struct ieee80211_local *local = sdata->local;
f30221e4 2642
2eb278e0 2643 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2644}
2645
71bbc994 2646static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2647 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2648 unsigned int wait, const u8 *buf, size_t len,
2649 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2650{
71bbc994 2651 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2652 struct ieee80211_local *local = sdata->local;
2653 struct sk_buff *skb;
2654 struct sta_info *sta;
2655 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2656 bool need_offchan = false;
e247bd90 2657 u32 flags;
2eb278e0 2658 int ret;
f7ca38df 2659
e247bd90
JB		 2660 if (dont_wait_for_ack)
2661 flags = IEEE80211_TX_CTL_NO_ACK;
2662 else
2663 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2664 IEEE80211_TX_CTL_REQ_TX_STATUS;
2665
aad14ceb
RM		 2666 if (no_cck)
2667 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2668
9d38d85d
JB		 2669 switch (sdata->vif.type) {
2670 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2671 if (!sdata->vif.bss_conf.ibss_joined)
2672 need_offchan = true;
2673 /* fall through */
2674#ifdef CONFIG_MAC80211_MESH
2675 case NL80211_IFTYPE_MESH_POINT:
2676 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2677 !sdata->u.mesh.mesh_id_len)
2678 need_offchan = true;
2679 /* fall through */
2680#endif
663fcafd
JB		 2681 case NL80211_IFTYPE_AP:
2682 case NL80211_IFTYPE_AP_VLAN:
2683 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2684 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2685 !ieee80211_vif_is_mesh(&sdata->vif) &&
2686 !rcu_access_pointer(sdata->bss->beacon))
2687 need_offchan = true;
663fcafd
JB		 2688 if (!ieee80211_is_action(mgmt->frame_control) ||
2689 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2690 break;
2691 rcu_read_lock();
2692 sta = sta_info_get(sdata, mgmt->da);
2693 rcu_read_unlock();
2694 if (!sta)
2695 return -ENOLINK;
2696 break;
2697 case NL80211_IFTYPE_STATION:
663fcafd 2698 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2699 if (!sdata->u.mgd.associated)
2700 need_offchan = true;
9d38d85d 2701 break;
f142c6b9
JB		 2702 case NL80211_IFTYPE_P2P_DEVICE:
2703 need_offchan = true;
2704 break;
9d38d85d
JB		 2705 default:
2706 return -EOPNOTSUPP;
2707 }
2708
2eb278e0
JB		 2709 mutex_lock(&local->mtx);
2710
2711 /* Check if the operating channel is the requested channel */
2712 if (!need_offchan) {
55de908a
JB		 2713 struct ieee80211_chanctx_conf *chanctx_conf;
2714
2715 rcu_read_lock();
2716 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2717
42d97a59 2718 if (chanctx_conf)
4bf88530 2719 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2720 else
2eb278e0 2721 need_offchan = true;
55de908a 2722 rcu_read_unlock();
2eb278e0
JB		 2723 }
2724
2725 if (need_offchan && !offchan) {
2726 ret = -EBUSY;
2727 goto out_unlock;
2728 }
2729
9d38d85d 2730 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2731 if (!skb) {
2732 ret = -ENOMEM;
2733 goto out_unlock;
2734 }
9d38d85d
JB		 2735 skb_reserve(skb, local->hw.extra_tx_headroom);
2736
2737 memcpy(skb_put(skb, len), buf, len);
2738
2739 IEEE80211_SKB_CB(skb)->flags = flags;
2740
2741 skb->dev = sdata->dev;
9d38d85d 2742
2eb278e0 2743 if (!need_offchan) {
7f9f78ab 2744 *cookie = (unsigned long) skb;
f30221e4 2745 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2746 ret = 0;
2747 goto out_unlock;
f30221e4
JB		 2748 }
2749
2eb278e0
JB		 2750 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2751 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2752 IEEE80211_SKB_CB(skb)->hw_queue =
2753 local->hw.offchannel_tx_hw_queue;
f30221e4 2754
2eb278e0 2755 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2756 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2757 wait, cookie, skb);
2758 if (ret)
2759 kfree_skb(skb);
2760 out_unlock:
2761 mutex_unlock(&local->mtx);
2762 return ret;
026331c4
JM		 2763}
2764
f30221e4 2765static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2766 struct wireless_dev *wdev,
f30221e4
JB		 2767 u64 cookie)
2768{
71bbc994 2769 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2770
2eb278e0 2771 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2772}
2773
7be5086d 2774static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2775 struct wireless_dev *wdev,
7be5086d
JB		 2776 u16 frame_type, bool reg)
2777{
2778 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2779 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2780
6abe0563
WH		 2781 switch (frame_type) {
2782 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2783 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2784 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2785
6abe0563
WH		 2786 if (reg)
2787 ifibss->auth_frame_registrations++;
2788 else
2789 ifibss->auth_frame_registrations--;
2790 }
2791 break;
2792 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2793 if (reg)
2794 local->probe_req_reg++;
2795 else
2796 local->probe_req_reg--;
7be5086d 2797
35f5149e
FF		 2798 if (!local->open_count)
2799 break;
2800
6abe0563
WH		 2801 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2802 break;
2803 default:
2804 break;
2805 }
7be5086d
JB		 2806}
2807
15d96753
BR		 2808static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2809{
2810 struct ieee80211_local *local = wiphy_priv(wiphy);
2811
2812 if (local->started)
2813 return -EOPNOTSUPP;
2814
2815 return drv_set_antenna(local, tx_ant, rx_ant);
2816}
2817
2818static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2819{
2820 struct ieee80211_local *local = wiphy_priv(wiphy);
2821
2822 return drv_get_antenna(local, tx_ant, rx_ant);
2823}
2824
38c09159
JL		 2825static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2826{
2827 struct ieee80211_local *local = wiphy_priv(wiphy);
2828
2829 return drv_set_ringparam(local, tx, rx);
2830}
2831
2832static void ieee80211_get_ringparam(struct wiphy *wiphy,
2833 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2834{
2835 struct ieee80211_local *local = wiphy_priv(wiphy);
2836
2837 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2838}
2839
c68f4b89
JB		 2840static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2841 struct net_device *dev,
2842 struct cfg80211_gtk_rekey_data *data)
2843{
2844 struct ieee80211_local *local = wiphy_priv(wiphy);
2845 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2846
2847 if (!local->ops->set_rekey_data)
2848 return -EOPNOTSUPP;
2849
2850 drv_set_rekey_data(local, sdata, data);
2851
2852 return 0;
2853}
2854
dfe018bf
AN		 2855static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2856{
2857 u8 *pos = (void *)skb_put(skb, 7);
2858
2859 *pos++ = WLAN_EID_EXT_CAPABILITY;
2860 *pos++ = 5; /* len */
2861 *pos++ = 0x0;
2862 *pos++ = 0x0;
2863 *pos++ = 0x0;
2864 *pos++ = 0x0;
2865 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2866}
2867
2868static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2869{
2870 struct ieee80211_local *local = sdata->local;
2871 u16 capab;
2872
2873 capab = 0;
55de908a 2874 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2875 return capab;
2876
2877 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2878 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2879 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2880 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2881
2882 return capab;
2883}
2884
2885static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2886 u8 *peer, u8 *bssid)
2887{
2888 struct ieee80211_tdls_lnkie *lnkid;
2889
2890 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2891
2892 lnkid->ie_type = WLAN_EID_LINK_ID;
2893 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2894
2895 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2896 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2897 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2898}
2899
2900static int
2901ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2902 u8 *peer, u8 action_code, u8 dialog_token,
2903 u16 status_code, struct sk_buff *skb)
2904{
2905 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2906 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2907 struct ieee80211_tdls_data *tf;
2908
2909 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2910
2911 memcpy(tf->da, peer, ETH_ALEN);
2912 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2913 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2914 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2915
2916 switch (action_code) {
2917 case WLAN_TDLS_SETUP_REQUEST:
2918 tf->category = WLAN_CATEGORY_TDLS;
2919 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2920
2921 skb_put(skb, sizeof(tf->u.setup_req));
2922 tf->u.setup_req.dialog_token = dialog_token;
2923 tf->u.setup_req.capability =
2924 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2925
55de908a
JB		 2926 ieee80211_add_srates_ie(sdata, skb, false, band);
2927 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2928 ieee80211_tdls_add_ext_capab(skb);
2929 break;
2930 case WLAN_TDLS_SETUP_RESPONSE:
2931 tf->category = WLAN_CATEGORY_TDLS;
2932 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2933
2934 skb_put(skb, sizeof(tf->u.setup_resp));
2935 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2936 tf->u.setup_resp.dialog_token = dialog_token;
2937 tf->u.setup_resp.capability =
2938 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2939
55de908a
JB		 2940 ieee80211_add_srates_ie(sdata, skb, false, band);
2941 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2942 ieee80211_tdls_add_ext_capab(skb);
2943 break;
2944 case WLAN_TDLS_SETUP_CONFIRM:
2945 tf->category = WLAN_CATEGORY_TDLS;
2946 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2947
2948 skb_put(skb, sizeof(tf->u.setup_cfm));
2949 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2950 tf->u.setup_cfm.dialog_token = dialog_token;
2951 break;
2952 case WLAN_TDLS_TEARDOWN:
2953 tf->category = WLAN_CATEGORY_TDLS;
2954 tf->action_code = WLAN_TDLS_TEARDOWN;
2955
2956 skb_put(skb, sizeof(tf->u.teardown));
2957 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2958 break;
2959 case WLAN_TDLS_DISCOVERY_REQUEST:
2960 tf->category = WLAN_CATEGORY_TDLS;
2961 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2962
2963 skb_put(skb, sizeof(tf->u.discover_req));
2964 tf->u.discover_req.dialog_token = dialog_token;
2965 break;
2966 default:
2967 return -EINVAL;
2968 }
2969
2970 return 0;
2971}
2972
2973static int
2974ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2975 u8 *peer, u8 action_code, u8 dialog_token,
2976 u16 status_code, struct sk_buff *skb)
2977{
2978 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2979 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2980 struct ieee80211_mgmt *mgmt;
2981
2982 mgmt = (void *)skb_put(skb, 24);
2983 memset(mgmt, 0, 24);
2984 memcpy(mgmt->da, peer, ETH_ALEN);
2985 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2986 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2987
2988 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2989 IEEE80211_STYPE_ACTION);
2990
2991 switch (action_code) {
2992 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2993 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2994 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2995 mgmt->u.action.u.tdls_discover_resp.action_code =
2996 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2997 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2998 dialog_token;
2999 mgmt->u.action.u.tdls_discover_resp.capability =
3000 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3001
55de908a
JB		 3002 ieee80211_add_srates_ie(sdata, skb, false, band);
3003 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3004 ieee80211_tdls_add_ext_capab(skb);
3005 break;
3006 default:
3007 return -EINVAL;
3008 }
3009
3010 return 0;
3011}
3012
3013static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3014 u8 *peer, u8 action_code, u8 dialog_token,
3015 u16 status_code, const u8 *extra_ies,
3016 size_t extra_ies_len)
3017{
3018 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3019 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3020 struct sk_buff *skb = NULL;
3021 bool send_direct;
3022 int ret;
3023
3024 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3025 return -ENOTSUPP;
3026
3027 /* make sure we are in managed mode, and associated */
3028 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3029 !sdata->u.mgd.associated)
3030 return -EINVAL;
3031
bdcbd8e0
JB		 3032 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3033 action_code, peer);
dfe018bf
AN		 3034
3035 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3036 max(sizeof(struct ieee80211_mgmt),
3037 sizeof(struct ieee80211_tdls_data)) +
3038 50 + /* supported rates */
3039 7 + /* ext capab */
3040 extra_ies_len +
3041 sizeof(struct ieee80211_tdls_lnkie));
3042 if (!skb)
3043 return -ENOMEM;
3044
dfe018bf
AN		 3045 skb_reserve(skb, local->hw.extra_tx_headroom);
3046
3047 switch (action_code) {
3048 case WLAN_TDLS_SETUP_REQUEST:
3049 case WLAN_TDLS_SETUP_RESPONSE:
3050 case WLAN_TDLS_SETUP_CONFIRM:
3051 case WLAN_TDLS_TEARDOWN:
3052 case WLAN_TDLS_DISCOVERY_REQUEST:
3053 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3054 action_code, dialog_token,
3055 status_code, skb);
3056 send_direct = false;
3057 break;
3058 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3059 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3060 dialog_token, status_code,
3061 skb);
3062 send_direct = true;
3063 break;
3064 default:
3065 ret = -ENOTSUPP;
3066 break;
3067 }
3068
3069 if (ret < 0)
3070 goto fail;
3071
3072 if (extra_ies_len)
3073 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3074
3075 /* the TDLS link IE is always added last */
3076 switch (action_code) {
3077 case WLAN_TDLS_SETUP_REQUEST:
3078 case WLAN_TDLS_SETUP_CONFIRM:
3079 case WLAN_TDLS_TEARDOWN:
3080 case WLAN_TDLS_DISCOVERY_REQUEST:
3081 /* we are the initiator */
3082 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3083 sdata->u.mgd.bssid);
3084 break;
3085 case WLAN_TDLS_SETUP_RESPONSE:
3086 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3087 /* we are the responder */
3088 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3089 sdata->u.mgd.bssid);
3090 break;
3091 default:
3092 ret = -ENOTSUPP;
3093 goto fail;
3094 }
3095
3096 if (send_direct) {
3097 ieee80211_tx_skb(sdata, skb);
3098 return 0;
3099 }
3100
3101 /*
3102 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3103 * we should default to AC_VI.
3104 */
3105 switch (action_code) {
3106 case WLAN_TDLS_SETUP_REQUEST:
3107 case WLAN_TDLS_SETUP_RESPONSE:
3108 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3109 skb->priority = 2;
3110 break;
3111 default:
3112 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3113 skb->priority = 5;
3114 break;
3115 }
3116
3117 /* disable bottom halves when entering the Tx path */
3118 local_bh_disable();
3119 ret = ieee80211_subif_start_xmit(skb, dev);
3120 local_bh_enable();
3121
3122 return ret;
3123
3124fail:
3125 dev_kfree_skb(skb);
3126 return ret;
3127}
3128
3129static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3130 u8 *peer, enum nl80211_tdls_operation oper)
3131{
941c93cd 3132 struct sta_info *sta;
dfe018bf
AN		 3133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3134
3135 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3136 return -ENOTSUPP;
3137
3138 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3139 return -EINVAL;
3140
bdcbd8e0 3141 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3142
3143 switch (oper) {
3144 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3145 rcu_read_lock();
3146 sta = sta_info_get(sdata, peer);
3147 if (!sta) {
3148 rcu_read_unlock();
3149 return -ENOLINK;
3150 }
3151
c2c98fde 3152 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3153 rcu_read_unlock();
dfe018bf
AN		 3154 break;
3155 case NL80211_TDLS_DISABLE_LINK:
3156 return sta_info_destroy_addr(sdata, peer);
3157 case NL80211_TDLS_TEARDOWN:
3158 case NL80211_TDLS_SETUP:
3159 case NL80211_TDLS_DISCOVERY_REQ:
3160 /* We don't support in-driver setup/teardown/discovery */
3161 return -ENOTSUPP;
3162 default:
3163 return -ENOTSUPP;
3164 }
3165
3166 return 0;
3167}
3168
06500736
JB		 3169static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3170 const u8 *peer, u64 *cookie)
3171{
3172 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3173 struct ieee80211_local *local = sdata->local;
3174 struct ieee80211_qos_hdr *nullfunc;
3175 struct sk_buff *skb;
3176 int size = sizeof(*nullfunc);
3177 __le16 fc;
3178 bool qos;
3179 struct ieee80211_tx_info *info;
3180 struct sta_info *sta;
55de908a
JB		 3181 struct ieee80211_chanctx_conf *chanctx_conf;
3182 enum ieee80211_band band;
06500736
JB		 3183
3184 rcu_read_lock();
55de908a
JB		 3185 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3186 if (WARN_ON(!chanctx_conf)) {
3187 rcu_read_unlock();
3188 return -EINVAL;
3189 }
4bf88530 3190 band = chanctx_conf->def.chan->band;
06500736 3191 sta = sta_info_get(sdata, peer);
b4487c2d 3192 if (sta) {
06500736 3193 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3194 } else {
3195 rcu_read_unlock();
06500736 3196 return -ENOLINK;
b4487c2d 3197 }
06500736
JB		 3198
3199 if (qos) {
3200 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3201 IEEE80211_STYPE_QOS_NULLFUNC |
3202 IEEE80211_FCTL_FROMDS);
3203 } else {
3204 size -= 2;
3205 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3206 IEEE80211_STYPE_NULLFUNC |
3207 IEEE80211_FCTL_FROMDS);
3208 }
3209
3210 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3211 if (!skb) {
3212 rcu_read_unlock();
06500736 3213 return -ENOMEM;
55de908a 3214 }
06500736
JB		 3215
3216 skb->dev = dev;
3217
3218 skb_reserve(skb, local->hw.extra_tx_headroom);
3219
3220 nullfunc = (void *) skb_put(skb, size);
3221 nullfunc->frame_control = fc;
3222 nullfunc->duration_id = 0;
3223 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3224 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3225 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3226 nullfunc->seq_ctrl = 0;
3227
3228 info = IEEE80211_SKB_CB(skb);
3229
3230 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3231 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3232
3233 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3234 skb->priority = 7;
3235 if (qos)
3236 nullfunc->qos_ctrl = cpu_to_le16(7);
3237
3238 local_bh_disable();
55de908a 3239 ieee80211_xmit(sdata, skb, band);
06500736 3240 local_bh_enable();
55de908a 3241 rcu_read_unlock();
06500736
JB		 3242
3243 *cookie = (unsigned long) skb;
3244 return 0;
3245}
3246
683b6d3b
JB		 3247static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3248 struct wireless_dev *wdev,
3249 struct cfg80211_chan_def *chandef)
5b7ccaf3 3250{
55de908a
JB		 3251 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3252 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3253 int ret = -ENODATA;
55de908a
JB		 3254
3255 rcu_read_lock();
3256 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3257 if (chanctx_conf) {
4bf88530 3258 *chandef = chanctx_conf->def;
683b6d3b 3259 ret = 0;
55de908a
JB		 3260 }
3261 rcu_read_unlock();
5b7ccaf3 3262
683b6d3b 3263 return ret;
5b7ccaf3
JB		 3264}
3265
6d52563f
JB		 3266#ifdef CONFIG_PM
3267static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3268{
3269 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3270}
3271#endif
3272
f0706e82
JB		 3273struct cfg80211_ops mac80211_config_ops = {
3274 .add_virtual_intf = ieee80211_add_iface,
3275 .del_virtual_intf = ieee80211_del_iface,
42613db7 3276 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3277 .start_p2p_device = ieee80211_start_p2p_device,
3278 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3279 .add_key = ieee80211_add_key,
3280 .del_key = ieee80211_del_key,
62da92fb 3281 .get_key = ieee80211_get_key,
e8cbb4cb 3282 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3283 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3284 .start_ap = ieee80211_start_ap,
3285 .change_beacon = ieee80211_change_beacon,
3286 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3287 .add_station = ieee80211_add_station,
3288 .del_station = ieee80211_del_station,
3289 .change_station = ieee80211_change_station,
7bbdd2d9 3290 .get_station = ieee80211_get_station,
c5dd9c2b 3291 .dump_station = ieee80211_dump_station,
1289723e 3292 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3293#ifdef CONFIG_MAC80211_MESH
3294 .add_mpath = ieee80211_add_mpath,
3295 .del_mpath = ieee80211_del_mpath,
3296 .change_mpath = ieee80211_change_mpath,
3297 .get_mpath = ieee80211_get_mpath,
3298 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3299 .update_mesh_config = ieee80211_update_mesh_config,
3300 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3301 .join_mesh = ieee80211_join_mesh,
3302 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3303#endif
9f1ba906 3304 .change_bss = ieee80211_change_bss,
31888487 3305 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3306 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3307 .suspend = ieee80211_suspend,
3308 .resume = ieee80211_resume,
2a519311 3309 .scan = ieee80211_scan,
79f460ca
LC		 3310 .sched_scan_start = ieee80211_sched_scan_start,
3311 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3312 .auth = ieee80211_auth,
3313 .assoc = ieee80211_assoc,
3314 .deauth = ieee80211_deauth,
3315 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3316 .join_ibss = ieee80211_join_ibss,
3317 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3318 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3319 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3320 .set_tx_power = ieee80211_set_tx_power,
3321 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3322 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3323 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3324 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3325 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3326 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3327 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3328 .remain_on_channel = ieee80211_remain_on_channel,
3329 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3330 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3331 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3332 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3333 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3334 .set_antenna = ieee80211_set_antenna,
3335 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3336 .set_ringparam = ieee80211_set_ringparam,
3337 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3338 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3339 .tdls_oper = ieee80211_tdls_oper,
3340 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3341 .probe_client = ieee80211_probe_client,
b53be792 3342 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3343#ifdef CONFIG_PM
3344 .set_wakeup = ieee80211_set_wakeup,
3345#endif
b1ab7925
BG		 3346 .get_et_sset_count = ieee80211_get_et_sset_count,
3347 .get_et_stats = ieee80211_get_et_stats,
3348 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3349 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3350};
kernel source for telekom puls (alcatel/mediatek)