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cfg80211: unify station WME parsing
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
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;
164eb02d 931 sdata->radar_required = params->radar_required;
04ecd257 932
4bf88530 933 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 934 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 935 if (err)
936 return err;
1f4ac5a6 937 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 938
665c93a9
JB		 939 /*
940 * Apply control port protocol, this allows us to
941 * not encrypt dynamic WEP control frames.
942 */
943 sdata->control_port_protocol = params->crypto.control_port_ethertype;
944 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
945 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
946 vlan->control_port_protocol =
947 params->crypto.control_port_ethertype;
948 vlan->control_port_no_encrypt =
949 params->crypto.control_port_no_encrypt;
950 }
951
8860020e
JB		 952 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
953 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 954 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 955
956 sdata->vif.bss_conf.ssid_len = params->ssid_len;
957 if (params->ssid_len)
958 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
959 params->ssid_len);
960 sdata->vif.bss_conf.hidden_ssid =
961 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
962
339afbf4
JB		 963 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
964 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
965
8860020e
JB		 966 err = ieee80211_assign_beacon(sdata, &params->beacon);
967 if (err < 0)
968 return err;
969 changed |= err;
970
1041638f
JB		 971 err = drv_start_ap(sdata->local, sdata);
972 if (err) {
973 old = rtnl_dereference(sdata->u.ap.beacon);
974 if (old)
975 kfree_rcu(old, rcu_head);
976 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
977 return err;
978 }
979
8860020e
JB		 980 ieee80211_bss_info_change_notify(sdata, changed);
981
3edaf3e6
JB		 982 netif_carrier_on(dev);
983 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
984 netif_carrier_on(vlan->dev);
985
665c93a9 986 return 0;
5dfdaf58
JB		 987}
988
8860020e
JB		 989static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
990 struct cfg80211_beacon_data *params)
5dfdaf58 991{
14db74bc 992 struct ieee80211_sub_if_data *sdata;
5dfdaf58 993 struct beacon_data *old;
8860020e 994 int err;
5dfdaf58 995
14db74bc
JB		 996 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
997
40b275b6 998 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 999 if (!old)
1000 return -ENOENT;
1001
8860020e
JB		 1002 err = ieee80211_assign_beacon(sdata, params);
1003 if (err < 0)
1004 return err;
1005 ieee80211_bss_info_change_notify(sdata, err);
1006 return 0;
5dfdaf58
JB		 1007}
1008
8860020e 1009static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1010{
7b20b8e8
JB		 1011 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012 struct ieee80211_sub_if_data *vlan;
1013 struct ieee80211_local *local = sdata->local;
1014 struct beacon_data *old_beacon;
1015 struct probe_resp *old_probe_resp;
14db74bc 1016
7b20b8e8
JB		 1017 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1018 if (!old_beacon)
5dfdaf58 1019 return -ENOENT;
7b20b8e8 1020 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1021
7b20b8e8 1022 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1023 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1024 netif_carrier_off(vlan->dev);
1025 netif_carrier_off(dev);
1026
7b20b8e8 1027 /* remove beacon and probe response */
a9b3cd7f 1028 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1029 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1030 kfree_rcu(old_beacon, rcu_head);
1031 if (old_probe_resp)
1032 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1033
2d4072a5 1034 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1035 sta_info_flush_defer(vlan);
1036 sta_info_flush_defer(sdata);
1037 rcu_barrier();
1038 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1039 sta_info_flush_cleanup(vlan);
1040 sta_info_flush_cleanup(sdata);
1041
d6a83228
JB		 1042 sdata->vif.bss_conf.enable_beacon = false;
1043 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1044 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1045
1041638f
JB		 1046 drv_stop_ap(sdata->local, sdata);
1047
7b20b8e8
JB		 1048 /* free all potentially still buffered bcast frames */
1049 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1050 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1051
1f4ac5a6 1052 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1053 ieee80211_vif_release_channel(sdata);
1054
2d0ddec5 1055 return 0;
5dfdaf58
JB		 1056}
1057
4fd6931e
JB		 1058/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1059struct iapp_layer2_update {
1060 u8 da[ETH_ALEN]; /* broadcast */
1061 u8 sa[ETH_ALEN]; /* STA addr */
1062 __be16 len; /* 6 */
1063 u8 dsap; /* 0 */
1064 u8 ssap; /* 0 */
1065 u8 control;
1066 u8 xid_info[3];
bc10502d 1067} __packed;
4fd6931e
JB		 1068
1069static void ieee80211_send_layer2_update(struct sta_info *sta)
1070{
1071 struct iapp_layer2_update *msg;
1072 struct sk_buff *skb;
1073
1074 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1075 * bridge devices */
1076
1077 skb = dev_alloc_skb(sizeof(*msg));
1078 if (!skb)
1079 return;
1080 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1081
1082 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1083 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1084
e83e6541 1085 eth_broadcast_addr(msg->da);
17741cdc 1086 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1087 msg->len = htons(6);
1088 msg->dsap = 0;
1089 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1090 msg->control = 0xaf; /* XID response lsb.1111F101.
1091 * F=0 (no poll command; unsolicited frame) */
1092 msg->xid_info[0] = 0x81; /* XID format identifier */
1093 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1094 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1095
d0709a65
JB		 1096 skb->dev = sta->sdata->dev;
1097 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1098 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1099 netif_rx_ni(skb);
4fd6931e
JB		 1100}
1101
d582cffb
JB		 1102static int sta_apply_auth_flags(struct ieee80211_local *local,
1103 struct sta_info *sta,
1104 u32 mask, u32 set)
1105{
1106 int ret;
1107
1108 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1109 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1110 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1111 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1112 if (ret)
1113 return ret;
1114 }
1115
1116 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1117 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1118 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1119 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1120 if (ret)
1121 return ret;
1122 }
1123
1124 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1125 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1126 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1127 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1128 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1129 else
1130 ret = 0;
1131 if (ret)
1132 return ret;
1133 }
1134
1135 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1136 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1137 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1138 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1139 if (ret)
1140 return ret;
1141 }
1142
1143 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1144 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1145 test_sta_flag(sta, WLAN_STA_AUTH)) {
1146 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1147 if (ret)
1148 return ret;
1149 }
1150
1151 return 0;
1152}
1153
d9a7ddb0
JB		 1154static int sta_apply_parameters(struct ieee80211_local *local,
1155 struct sta_info *sta,
1156 struct station_parameters *params)
4fd6931e 1157{
d9a7ddb0 1158 int ret = 0;
4fd6931e
JB		 1159 u32 rates;
1160 int i, j;
8318d78a 1161 struct ieee80211_supported_band *sband;
d0709a65 1162 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1163 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1164 u32 mask, set;
4fd6931e 1165
55de908a 1166 sband = local->hw.wiphy->bands[band];
ae5eb026 1167
eccb8e8f
JB		 1168 mask = params->sta_flags_mask;
1169 set = params->sta_flags_set;
73651ee6 1170
d582cffb
JB		 1171 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1172 /*
1173 * In mesh mode, ASSOCIATED isn't part of the nl80211
1174 * API but must follow AUTHENTICATED for driver state.
1175 */
1176 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1177 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1178 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1179 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
eccb8e8f 1180 }
4fd6931e 1181
d582cffb
JB		 1182 ret = sta_apply_auth_flags(local, sta, mask, set);
1183 if (ret)
1184 return ret;
d9a7ddb0 1185
eccb8e8f 1186 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1187 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1188 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1189 else
1190 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1191 }
4fd6931e 1192
eccb8e8f 1193 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1194 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1195 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1196 sta->sta.wme = true;
c2c98fde
JB		 1197 } else {
1198 clear_sta_flag(sta, WLAN_STA_WME);
1199 sta->sta.wme = false;
39df600a 1200 }
eccb8e8f 1201 }
5394af4d 1202
eccb8e8f 1203 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1204 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1205 set_sta_flag(sta, WLAN_STA_MFP);
1206 else
1207 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1208 }
b39c48fa 1209
07ba55d7 1210 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1211 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1212 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1213 else
1214 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1215 }
4fd6931e 1216
3b9ce80c
JB		 1217 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1218 sta->sta.uapsd_queues = params->uapsd_queues;
1219 sta->sta.max_sp = params->max_sp;
1220 }
9533b4ac 1221
51b50fbe
JB		 1222 /*
1223 * cfg80211 validates this (1-2007) and allows setting the AID
1224 * only when creating a new station entry
1225 */
1226 if (params->aid)
1227 sta->sta.aid = params->aid;
1228
73651ee6 1229 /*
ba23d206
JB		 1230 * Some of the following updates would be racy if called on an
1231 * existing station, via ieee80211_change_station(). However,
1232 * all such changes are rejected by cfg80211 except for updates
1233 * changing the supported rates on an existing but not yet used
1234 * TDLS peer.
73651ee6
JB		 1235 */
1236
4fd6931e
JB		 1237 if (params->listen_interval >= 0)
1238 sta->listen_interval = params->listen_interval;
1239
1240 if (params->supported_rates) {
1241 rates = 0;
8318d78a 1242
4fd6931e
JB		 1243 for (i = 0; i < params->supported_rates_len; i++) {
1244 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1245 for (j = 0; j < sband->n_bitrates; j++) {
1246 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1247 rates |= BIT(j);
1248 }
1249 }
55de908a 1250 sta->sta.supp_rates[band] = rates;
4fd6931e 1251 }
c5dd9c2b 1252
d9fe60de 1253 if (params->ht_capa)
ef96a842 1254 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1255 params->ht_capa, sta);
36aedc90 1256
f461be3e
MP		 1257 if (params->vht_capa)
1258 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1259 params->vht_capa, sta);
f461be3e 1260
9c3990aa 1261 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1262#ifdef CONFIG_MAC80211_MESH
39886b61 1263 u32 changed = 0;
f8bacc21
JB		 1264 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED &&
1265 (params->sta_modify_mask &
1266 STATION_PARAM_APPLY_PLINK_STATE)) {
9c3990aa 1267 switch (params->plink_state) {
57cf8043 1268 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1269 if (sta->plink_state != NL80211_PLINK_ESTAB)
1270 changed = mesh_plink_inc_estab_count(
1271 sdata);
1272 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1273
1274 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1275 changed |= ieee80211_mps_set_sta_local_pm(sta,
1276 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1277 break;
1278 case NL80211_PLINK_LISTEN:
57cf8043 1279 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1280 case NL80211_PLINK_OPN_SNT:
1281 case NL80211_PLINK_OPN_RCVD:
1282 case NL80211_PLINK_CNF_RCVD:
1283 case NL80211_PLINK_HOLDING:
1284 if (sta->plink_state == NL80211_PLINK_ESTAB)
1285 changed = mesh_plink_dec_estab_count(
1286 sdata);
9c3990aa 1287 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1288
1289 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1290 changed |=
1291 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1292 break;
1293 default:
1294 /* nothing */
1295 break;
1296 }
f8bacc21
JB		 1297 } else if (params->sta_modify_mask &
1298 STATION_PARAM_APPLY_PLINK_STATE) {
1299 return -EINVAL;
1617bab8 1300 } else {
9c3990aa 1301 switch (params->plink_action) {
f8bacc21
JB		 1302 case NL80211_PLINK_ACTION_NO_ACTION:
1303 /* nothing */
1304 break;
1305 case NL80211_PLINK_ACTION_OPEN:
39886b61 1306 changed |= mesh_plink_open(sta);
9c3990aa 1307 break;
f8bacc21 1308 case NL80211_PLINK_ACTION_BLOCK:
39886b61 1309 changed |= mesh_plink_block(sta);
9c3990aa
JC		 1310 break;
1311 }
1617bab8 1312 }
3f52b7e3
MP		 1313
1314 if (params->local_pm)
39886b61
TP		 1315 changed |=
1316 ieee80211_mps_set_sta_local_pm(sta,
1317 params->local_pm);
1318 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1319#endif
902acc78 1320 }
d9a7ddb0
JB		 1321
1322 return 0;
4fd6931e
JB		 1323}
1324
1325static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1326 u8 *mac, struct station_parameters *params)
1327{
14db74bc 1328 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1329 struct sta_info *sta;
1330 struct ieee80211_sub_if_data *sdata;
73651ee6 1331 int err;
b8d476c8 1332 int layer2_update;
4fd6931e 1333
4fd6931e
JB		 1334 if (params->vlan) {
1335 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1336
05c914fe
JB		 1337 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1338 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1339 return -EINVAL;
1340 } else
1341 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1342
b203ca39 1343 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1344 return -EINVAL;
1345
1346 if (is_multicast_ether_addr(mac))
1347 return -EINVAL;
1348
1349 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1350 if (!sta)
1351 return -ENOMEM;
4fd6931e 1352
d582cffb
JB		 1353 /*
1354 * defaults -- if userspace wants something else we'll
1355 * change it accordingly in sta_apply_parameters()
1356 */
83d5cc01
JB		 1357 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1358 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1359
d9a7ddb0
JB		 1360 err = sta_apply_parameters(local, sta, params);
1361 if (err) {
1362 sta_info_free(local, sta);
1363 return err;
1364 }
4fd6931e 1365
d64cf63e
AN		 1366 /*
1367 * for TDLS, rate control should be initialized only when supported
1368 * rates are known.
1369 */
1370 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1371 rate_control_rate_init(sta);
4fd6931e 1372
b8d476c8
JM		 1373 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1374 sdata->vif.type == NL80211_IFTYPE_AP;
1375
34e89507 1376 err = sta_info_insert_rcu(sta);
73651ee6 1377 if (err) {
73651ee6
JB		 1378 rcu_read_unlock();
1379 return err;
1380 }
1381
b8d476c8 1382 if (layer2_update)
73651ee6
JB		 1383 ieee80211_send_layer2_update(sta);
1384
1385 rcu_read_unlock();
1386
4fd6931e
JB		 1387 return 0;
1388}
1389
1390static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1391 u8 *mac)
1392{
14db74bc 1393 struct ieee80211_sub_if_data *sdata;
4fd6931e 1394
14db74bc
JB		 1395 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1396
34e89507
JB		 1397 if (mac)
1398 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1399
b998e8bb 1400 sta_info_flush(sdata);
4fd6931e
JB		 1401 return 0;
1402}
1403
1404static int ieee80211_change_station(struct wiphy *wiphy,
1405 struct net_device *dev,
1406 u8 *mac,
1407 struct station_parameters *params)
1408{
abe60632 1409 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1410 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1411 struct sta_info *sta;
1412 struct ieee80211_sub_if_data *vlansdata;
35b88623 1413 int err;
4fd6931e 1414
87be1e1e 1415 mutex_lock(&local->sta_mtx);
98dd6a57 1416
0e5ded5a 1417 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1418 if (!sta) {
87be1e1e 1419 mutex_unlock(&local->sta_mtx);
4fd6931e 1420 return -ENOENT;
98dd6a57 1421 }
4fd6931e 1422
df881293 1423 /* in station mode, some updates are only valid with TDLS */
bdd90d5e 1424 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
df881293
JM		 1425 (params->supported_rates || params->ht_capa || params->vht_capa ||
1426 params->sta_modify_mask ||
1427 (params->sta_flags_mask & BIT(NL80211_STA_FLAG_WME))) &&
bdd90d5e 1428 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1429 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1430 return -EINVAL;
1431 }
1432
d0709a65 1433 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1434 bool prev_4addr = false;
1435 bool new_4addr = false;
1436
4fd6931e
JB		 1437 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1438
05c914fe
JB		 1439 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1440 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1441 mutex_unlock(&local->sta_mtx);
4fd6931e 1442 return -EINVAL;
98dd6a57 1443 }
4fd6931e 1444
9bc383de 1445 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1446 if (vlansdata->u.vlan.sta) {
87be1e1e 1447 mutex_unlock(&local->sta_mtx);
f14543ee 1448 return -EBUSY;
3305443c 1449 }
f14543ee 1450
cf778b00 1451 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1452 new_4addr = true;
1453 }
1454
1455 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1456 sta->sdata->u.vlan.sta) {
1457 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1458 prev_4addr = true;
f14543ee
FF		 1459 }
1460
14db74bc 1461 sta->sdata = vlansdata;
7e3ed02c
FF		 1462
1463 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1464 prev_4addr != new_4addr) {
1465 if (new_4addr)
1466 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1467 else
1468 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1469 }
1470
4fd6931e
JB		 1471 ieee80211_send_layer2_update(sta);
1472 }
1473
35b88623
EP		 1474 err = sta_apply_parameters(local, sta, params);
1475 if (err) {
1476 mutex_unlock(&local->sta_mtx);
1477 return err;
1478 }
4fd6931e 1479
d64cf63e
AN		 1480 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1481 rate_control_rate_init(sta);
1482
87be1e1e 1483 mutex_unlock(&local->sta_mtx);
98dd6a57 1484
808118cb 1485 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1486 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1487 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1488 ieee80211_recalc_ps_vif(sdata);
1489 }
4fd6931e
JB		 1490 return 0;
1491}
1492
c5dd9c2b
LCC		 1493#ifdef CONFIG_MAC80211_MESH
1494static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1495 u8 *dst, u8 *next_hop)
1496{
14db74bc 1497 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1498 struct mesh_path *mpath;
1499 struct sta_info *sta;
1500 int err;
1501
14db74bc
JB		 1502 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1503
d0709a65 1504 rcu_read_lock();
abe60632 1505 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1506 if (!sta) {
1507 rcu_read_unlock();
c5dd9c2b 1508 return -ENOENT;
d0709a65 1509 }
c5dd9c2b 1510
bf7cd94d 1511 err = mesh_path_add(sdata, dst);
d0709a65
JB		 1512 if (err) {
1513 rcu_read_unlock();
c5dd9c2b 1514 return err;
d0709a65 1515 }
c5dd9c2b 1516
bf7cd94d 1517 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1518 if (!mpath) {
1519 rcu_read_unlock();
c5dd9c2b
LCC		 1520 return -ENXIO;
1521 }
1522 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1523
c5dd9c2b
LCC		 1524 rcu_read_unlock();
1525 return 0;
1526}
1527
1528static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1529 u8 *dst)
c5dd9c2b 1530{
f698d856
JBG		 1531 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1532
c5dd9c2b 1533 if (dst)
bf7cd94d 1534 return mesh_path_del(sdata, dst);
c5dd9c2b 1535
ece1a2e7 1536 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1537 return 0;
1538}
1539
1540static int ieee80211_change_mpath(struct wiphy *wiphy,
1541 struct net_device *dev,
1542 u8 *dst, u8 *next_hop)
1543{
14db74bc 1544 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1545 struct mesh_path *mpath;
1546 struct sta_info *sta;
1547
14db74bc
JB		 1548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1549
d0709a65
JB		 1550 rcu_read_lock();
1551
abe60632 1552 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1553 if (!sta) {
1554 rcu_read_unlock();
c5dd9c2b 1555 return -ENOENT;
d0709a65 1556 }
c5dd9c2b 1557
bf7cd94d 1558 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1559 if (!mpath) {
1560 rcu_read_unlock();
c5dd9c2b
LCC		 1561 return -ENOENT;
1562 }
1563
1564 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1565
c5dd9c2b
LCC		 1566 rcu_read_unlock();
1567 return 0;
1568}
1569
1570static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1571 struct mpath_info *pinfo)
1572{
a3836e02
JB		 1573 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1574
1575 if (next_hop_sta)
1576 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1577 else
1578 memset(next_hop, 0, ETH_ALEN);
1579
7ce8c7a3
LAYS		 1580 memset(pinfo, 0, sizeof(*pinfo));
1581
f5ea9120
JB		 1582 pinfo->generation = mesh_paths_generation;
1583
c5dd9c2b 1584 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1585 MPATH_INFO_SN |
c5dd9c2b
LCC		 1586 MPATH_INFO_METRIC |
1587 MPATH_INFO_EXPTIME |
1588 MPATH_INFO_DISCOVERY_TIMEOUT |
1589 MPATH_INFO_DISCOVERY_RETRIES |
1590 MPATH_INFO_FLAGS;
1591
1592 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1593 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1594 pinfo->metric = mpath->metric;
1595 if (time_before(jiffies, mpath->exp_time))
1596 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1597 pinfo->discovery_timeout =
1598 jiffies_to_msecs(mpath->discovery_timeout);
1599 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1600 if (mpath->flags & MESH_PATH_ACTIVE)
1601 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1602 if (mpath->flags & MESH_PATH_RESOLVING)
1603 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1604 if (mpath->flags & MESH_PATH_SN_VALID)
1605 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1606 if (mpath->flags & MESH_PATH_FIXED)
1607 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1608 if (mpath->flags & MESH_PATH_RESOLVED)
1609 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1610}
1611
1612static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1613 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1614
1615{
14db74bc 1616 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1617 struct mesh_path *mpath;
1618
14db74bc
JB		 1619 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1620
c5dd9c2b 1621 rcu_read_lock();
bf7cd94d 1622 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1623 if (!mpath) {
1624 rcu_read_unlock();
1625 return -ENOENT;
1626 }
1627 memcpy(dst, mpath->dst, ETH_ALEN);
1628 mpath_set_pinfo(mpath, next_hop, pinfo);
1629 rcu_read_unlock();
1630 return 0;
1631}
1632
1633static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1634 int idx, u8 *dst, u8 *next_hop,
1635 struct mpath_info *pinfo)
1636{
14db74bc 1637 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1638 struct mesh_path *mpath;
1639
14db74bc
JB		 1640 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1641
c5dd9c2b 1642 rcu_read_lock();
bf7cd94d 1643 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1644 if (!mpath) {
1645 rcu_read_unlock();
1646 return -ENOENT;
1647 }
1648 memcpy(dst, mpath->dst, ETH_ALEN);
1649 mpath_set_pinfo(mpath, next_hop, pinfo);
1650 rcu_read_unlock();
1651 return 0;
1652}
93da9cc1 1653
24bdd9f4 1654static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1655 struct net_device *dev,
1656 struct mesh_config *conf)
1657{
1658 struct ieee80211_sub_if_data *sdata;
1659 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1660
93da9cc1 1661 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1662 return 0;
1663}
1664
1665static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1666{
1667 return (mask >> (parm-1)) & 0x1;
1668}
1669
c80d545d
JC		 1670static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1671 const struct mesh_setup *setup)
1672{
1673 u8 *new_ie;
1674 const u8 *old_ie;
4bb62344
CYY		 1675 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1676 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1677
581a8b0f 1678 /* allocate information elements */
c80d545d 1679 new_ie = NULL;
581a8b0f 1680 old_ie = ifmsh->ie;
c80d545d 1681
581a8b0f
JC		 1682 if (setup->ie_len) {
1683 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1684 GFP_KERNEL);
1685 if (!new_ie)
1686 return -ENOMEM;
1687 }
581a8b0f
JC		 1688 ifmsh->ie_len = setup->ie_len;
1689 ifmsh->ie = new_ie;
1690 kfree(old_ie);
c80d545d
JC		 1691
1692 /* now copy the rest of the setup parameters */
1693 ifmsh->mesh_id_len = setup->mesh_id_len;
1694 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1695 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1696 ifmsh->mesh_pp_id = setup->path_sel_proto;
1697 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1698 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1699 if (setup->is_authenticated)
1700 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1701 if (setup->is_secure)
1702 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1703
4bb62344
CYY		 1704 /* mcast rate setting in Mesh Node */
1705 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1706 sizeof(setup->mcast_rate));
1707
9bdbf04d
MP		 1708 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1709 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1710
c80d545d
JC		 1711 return 0;
1712}
1713
24bdd9f4 1714static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1715 struct net_device *dev, u32 mask,
1716 const struct mesh_config *nconf)
93da9cc1 1717{
1718 struct mesh_config *conf;
1719 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1720 struct ieee80211_if_mesh *ifmsh;
1721
93da9cc1 1722 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1723 ifmsh = &sdata->u.mesh;
93da9cc1 1724
93da9cc1 1725 /* Set the config options which we are interested in setting */
1726 conf = &(sdata->u.mesh.mshcfg);
1727 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1728 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1730 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1731 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1732 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1733 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1734 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1735 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1736 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1737 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1738 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1739 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1740 conf->element_ttl = nconf->element_ttl;
93da9cc1 1741 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1742 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1743 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1744 conf->dot11MeshNbrOffsetMaxNeighbor =
1745 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1746 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1747 conf->dot11MeshHWMPmaxPREQretries =
1748 nconf->dot11MeshHWMPmaxPREQretries;
1749 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1750 conf->path_refresh_time = nconf->path_refresh_time;
1751 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1752 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1753 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1754 conf->dot11MeshHWMPactivePathTimeout =
1755 nconf->dot11MeshHWMPactivePathTimeout;
1756 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1757 conf->dot11MeshHWMPpreqMinInterval =
1758 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1759 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1760 conf->dot11MeshHWMPperrMinInterval =
1761 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1762 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1763 mask))
1764 conf->dot11MeshHWMPnetDiameterTraversalTime =
1765 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1766 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1767 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1768 ieee80211_mesh_root_setup(ifmsh);
1769 }
16dd7267 1770 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1771 /* our current gate announcement implementation rides on root
1772 * announcements, so require this ifmsh to also be a root node
1773 * */
1774 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1775 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1776 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1777 ieee80211_mesh_root_setup(ifmsh);
1778 }
16dd7267
JC		 1779 conf->dot11MeshGateAnnouncementProtocol =
1780 nconf->dot11MeshGateAnnouncementProtocol;
1781 }
a4f606ea 1782 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1783 conf->dot11MeshHWMPRannInterval =
1784 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1785 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1786 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1787 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1788 /* our RSSI threshold implementation is supported only for
1789 * devices that report signal in dBm.
1790 */
1791 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1792 return -ENOTSUPP;
1793 conf->rssi_threshold = nconf->rssi_threshold;
1794 }
70c33eaa
AN		 1795 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1796 conf->ht_opmode = nconf->ht_opmode;
1797 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1798 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1799 }
ac1073a6
CYY		 1800 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1801 conf->dot11MeshHWMPactivePathToRootTimeout =
1802 nconf->dot11MeshHWMPactivePathToRootTimeout;
1803 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1804 conf->dot11MeshHWMProotInterval =
1805 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1806 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1807 conf->dot11MeshHWMPconfirmationInterval =
1808 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1809 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1810 conf->power_mode = nconf->power_mode;
1811 ieee80211_mps_local_status_update(sdata);
1812 }
2b5e1967 1813 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1814 conf->dot11MeshAwakeWindowDuration =
1815 nconf->dot11MeshAwakeWindowDuration;
2b5e1967 1816 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1817 return 0;
1818}
1819
29cbe68c
JB		 1820static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1821 const struct mesh_config *conf,
1822 const struct mesh_setup *setup)
1823{
1824 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1825 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1826 int err;
29cbe68c 1827
c80d545d
JC		 1828 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1829 err = copy_mesh_setup(ifmsh, setup);
1830 if (err)
1831 return err;
cc1d2806 1832
04ecd257
JB		 1833 /* can mesh use other SMPS modes? */
1834 sdata->smps_mode = IEEE80211_SMPS_OFF;
1835 sdata->needed_rx_chains = sdata->local->rx_chains;
1836
4bf88530 1837 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1838 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1839 if (err)
1840 return err;
1841
2b5e1967 1842 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1843}
1844
1845static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1846{
1847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1848
1849 ieee80211_stop_mesh(sdata);
55de908a 1850 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1851
1852 return 0;
1853}
c5dd9c2b
LCC		 1854#endif
1855
9f1ba906
JM		 1856static int ieee80211_change_bss(struct wiphy *wiphy,
1857 struct net_device *dev,
1858 struct bss_parameters *params)
1859{
55de908a
JB		 1860 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1861 enum ieee80211_band band;
9f1ba906
JM		 1862 u32 changed = 0;
1863
55de908a
JB		 1864 if (!rtnl_dereference(sdata->u.ap.beacon))
1865 return -ENOENT;
1866
1867 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1868
9f1ba906 1869 if (params->use_cts_prot >= 0) {
bda3933a 1870 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1871 changed |= BSS_CHANGED_ERP_CTS_PROT;
1872 }
1873 if (params->use_short_preamble >= 0) {
bda3933a 1874 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1875 params->use_short_preamble;
1876 changed |= BSS_CHANGED_ERP_PREAMBLE;
1877 }
43d35343
FF		 1878
1879 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1880 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1881 sdata->vif.bss_conf.use_short_slot = true;
1882 changed |= BSS_CHANGED_ERP_SLOT;
1883 }
1884
9f1ba906 1885 if (params->use_short_slot_time >= 0) {
bda3933a 1886 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1887 params->use_short_slot_time;
1888 changed |= BSS_CHANGED_ERP_SLOT;
1889 }
1890
90c97a04
JM		 1891 if (params->basic_rates) {
1892 int i, j;
1893 u32 rates = 0;
55de908a 1894 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1895
1896 for (i = 0; i < params->basic_rates_len; i++) {
1897 int rate = (params->basic_rates[i] & 0x7f) * 5;
1898 for (j = 0; j < sband->n_bitrates; j++) {
1899 if (sband->bitrates[j].bitrate == rate)
1900 rates |= BIT(j);
1901 }
1902 }
1903 sdata->vif.bss_conf.basic_rates = rates;
1904 changed |= BSS_CHANGED_BASIC_RATES;
1905 }
1906
7b7b5e56
FF		 1907 if (params->ap_isolate >= 0) {
1908 if (params->ap_isolate)
1909 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1910 else
1911 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1912 }
1913
80d7e403
HS		 1914 if (params->ht_opmode >= 0) {
1915 sdata->vif.bss_conf.ht_operation_mode =
1916 (u16) params->ht_opmode;
1917 changed |= BSS_CHANGED_HT;
1918 }
1919
339afbf4
JB		 1920 if (params->p2p_ctwindow >= 0) {
1921 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1922 changed |= BSS_CHANGED_P2P_PS;
1923 }
1924
1925 if (params->p2p_opp_ps >= 0) {
1926 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1927 changed |= BSS_CHANGED_P2P_PS;
1928 }
1929
9f1ba906
JM		 1930 ieee80211_bss_info_change_notify(sdata, changed);
1931
1932 return 0;
1933}
1934
31888487 1935static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1936 struct net_device *dev,
31888487
JM		 1937 struct ieee80211_txq_params *params)
1938{
1939 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1940 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1941 struct ieee80211_tx_queue_params p;
1942
1943 if (!local->ops->conf_tx)
1944 return -EOPNOTSUPP;
1945
54bcbc69
JB		 1946 if (local->hw.queues < IEEE80211_NUM_ACS)
1947 return -EOPNOTSUPP;
1948
31888487
JM		 1949 memset(&p, 0, sizeof(p));
1950 p.aifs = params->aifs;
1951 p.cw_max = params->cwmax;
1952 p.cw_min = params->cwmin;
1953 p.txop = params->txop;
ab13315a
KV		 1954
1955 /*
1956 * Setting tx queue params disables u-apsd because it's only
1957 * called in master mode.
1958 */
1959 p.uapsd = false;
1960
a3304b0a
JB		 1961 sdata->tx_conf[params->ac] = p;
1962 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1963 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1964 "failed to set TX queue parameters for AC %d\n",
1965 params->ac);
31888487
JM		 1966 return -EINVAL;
1967 }
1968
7d25745d
JB		 1969 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1970
31888487
JM		 1971 return 0;
1972}
1973
665af4fc 1974#ifdef CONFIG_PM
ff1b6e69
JB		 1975static int ieee80211_suspend(struct wiphy *wiphy,
1976 struct cfg80211_wowlan *wowlan)
665af4fc 1977{
eecc4800 1978 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1979}
1980
1981static int ieee80211_resume(struct wiphy *wiphy)
1982{
1983 return __ieee80211_resume(wiphy_priv(wiphy));
1984}
1985#else
1986#define ieee80211_suspend NULL
1987#define ieee80211_resume NULL
1988#endif
1989
2a519311 1990static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1991 struct cfg80211_scan_request *req)
1992{
fd014284
JB		 1993 struct ieee80211_sub_if_data *sdata;
1994
1995 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1996
2ca27bcf
JB		 1997 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1998 case NL80211_IFTYPE_STATION:
1999 case NL80211_IFTYPE_ADHOC:
2000 case NL80211_IFTYPE_MESH_POINT:
2001 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2002 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2003 break;
2004 case NL80211_IFTYPE_P2P_GO:
2005 if (sdata->local->ops->hw_scan)
2006 break;
e9d7732e
JB		 2007 /*
2008 * FIXME: implement NoA while scanning in software,
2009 * for now fall through to allow scanning only when
2010 * beaconing hasn't been configured yet
2011 */
2ca27bcf 2012 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2013 /*
2014 * If the scan has been forced (and the driver supports
2015 * forcing), don't care about being beaconing already.
2016 * This will create problems to the attached stations (e.g. all
2017 * the frames sent while scanning on other channel will be
2018 * lost)
2019 */
2020 if (sdata->u.ap.beacon &&
2021 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2022 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2023 return -EOPNOTSUPP;
2024 break;
2025 default:
2026 return -EOPNOTSUPP;
2027 }
2a519311
JB		 2028
2029 return ieee80211_request_scan(sdata, req);
2030}
2031
79f460ca
LC		 2032static int
2033ieee80211_sched_scan_start(struct wiphy *wiphy,
2034 struct net_device *dev,
2035 struct cfg80211_sched_scan_request *req)
2036{
2037 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2038
2039 if (!sdata->local->ops->sched_scan_start)
2040 return -EOPNOTSUPP;
2041
2042 return ieee80211_request_sched_scan_start(sdata, req);
2043}
2044
2045static int
85a9994a 2046ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2047{
2048 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2049
2050 if (!sdata->local->ops->sched_scan_stop)
2051 return -EOPNOTSUPP;
2052
85a9994a 2053 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2054}
2055
636a5d36
JM		 2056static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2057 struct cfg80211_auth_request *req)
2058{
77fdaa12 2059 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2060}
2061
2062static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2063 struct cfg80211_assoc_request *req)
2064{
77fdaa12 2065 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2066}
2067
2068static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2069 struct cfg80211_deauth_request *req)
636a5d36 2070{
63c9c5e7 2071 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2072}
2073
2074static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2075 struct cfg80211_disassoc_request *req)
636a5d36 2076{
63c9c5e7 2077 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2078}
2079
af8cdcd8
JB		 2080static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2081 struct cfg80211_ibss_params *params)
2082{
55de908a 2083 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2084}
2085
2086static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2087{
55de908a 2088 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2089}
2090
391e53e3
AQ		 2091static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2092 int rate[IEEE80211_NUM_BANDS])
2093{
2094 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2095
9887dbf5
CD		 2096 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2097 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2098
2099 return 0;
2100}
2101
b9a5f8ca
JM		 2102static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2103{
2104 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2105 int err;
b9a5f8ca 2106
f23a4780
AN		 2107 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2108 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2109
2110 if (err)
2111 return err;
2112 }
2113
310bc676
LT		 2114 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2115 err = drv_set_coverage_class(local, wiphy->coverage_class);
2116
2117 if (err)
2118 return err;
2119 }
2120
b9a5f8ca 2121 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2122 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2123
24487981
JB		 2124 if (err)
2125 return err;
b9a5f8ca
JM		 2126 }
2127
8bc83c24
JB		 2128 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2129 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2130 return -EINVAL;
b9a5f8ca 2131 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2132 }
2133 if (changed & WIPHY_PARAM_RETRY_LONG) {
2134 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2135 return -EINVAL;
b9a5f8ca 2136 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2137 }
b9a5f8ca
JM		 2138 if (changed &
2139 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2140 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2141
2142 return 0;
2143}
2144
7643a2c3 2145static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2146 struct wireless_dev *wdev,
fa61cf70 2147 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2148{
2149 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2150 struct ieee80211_sub_if_data *sdata;
7643a2c3 2151
1ea6f9c0
JB		 2152 if (wdev) {
2153 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2154
2155 switch (type) {
2156 case NL80211_TX_POWER_AUTOMATIC:
2157 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2158 break;
2159 case NL80211_TX_POWER_LIMITED:
2160 case NL80211_TX_POWER_FIXED:
2161 if (mbm < 0 || (mbm % 100))
2162 return -EOPNOTSUPP;
2163 sdata->user_power_level = MBM_TO_DBM(mbm);
2164 break;
2165 }
2166
2167 ieee80211_recalc_txpower(sdata);
2168
2169 return 0;
2170 }
55de908a 2171
7643a2c3 2172 switch (type) {
fa61cf70 2173 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2174 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2175 break;
fa61cf70 2176 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2177 case NL80211_TX_POWER_FIXED:
2178 if (mbm < 0 || (mbm % 100))
2179 return -EOPNOTSUPP;
fa61cf70 2180 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2181 break;
7643a2c3
JB		 2182 }
2183
1ea6f9c0
JB		 2184 mutex_lock(&local->iflist_mtx);
2185 list_for_each_entry(sdata, &local->interfaces, list)
2186 sdata->user_power_level = local->user_power_level;
2187 list_for_each_entry(sdata, &local->interfaces, list)
2188 ieee80211_recalc_txpower(sdata);
2189 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2190
2191 return 0;
2192}
2193
c8442118
JB		 2194static int ieee80211_get_tx_power(struct wiphy *wiphy,
2195 struct wireless_dev *wdev,
2196 int *dbm)
7643a2c3
JB		 2197{
2198 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2199 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2200
1ea6f9c0
JB		 2201 if (!local->use_chanctx)
2202 *dbm = local->hw.conf.power_level;
2203 else
2204 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2205
7643a2c3
JB		 2206 return 0;
2207}
2208
ab737a4f 2209static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2210 const u8 *addr)
ab737a4f
JB		 2211{
2212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2213
2214 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2215
2216 return 0;
2217}
2218
1f87f7d3
JB		 2219static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2220{
2221 struct ieee80211_local *local = wiphy_priv(wiphy);
2222
2223 drv_rfkill_poll(local);
2224}
2225
aff89a9b 2226#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2227static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2228{
2229 struct ieee80211_local *local = wiphy_priv(wiphy);
2230
2231 if (!local->ops->testmode_cmd)
2232 return -EOPNOTSUPP;
2233
2234 return local->ops->testmode_cmd(&local->hw, data, len);
2235}
71063f0e
WYG		 2236
2237static int ieee80211_testmode_dump(struct wiphy *wiphy,
2238 struct sk_buff *skb,
2239 struct netlink_callback *cb,
2240 void *data, int len)
2241{
2242 struct ieee80211_local *local = wiphy_priv(wiphy);
2243
2244 if (!local->ops->testmode_dump)
2245 return -EOPNOTSUPP;
2246
2247 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2248}
aff89a9b
JB		 2249#endif
2250
0f78231b
JB		 2251int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2252 enum ieee80211_smps_mode smps_mode)
2253{
2254 const u8 *ap;
2255 enum ieee80211_smps_mode old_req;
2256 int err;
2257
243e6df4
JB		 2258 lockdep_assert_held(&sdata->u.mgd.mtx);
2259
0f78231b
JB		 2260 old_req = sdata->u.mgd.req_smps;
2261 sdata->u.mgd.req_smps = smps_mode;
2262
2263 if (old_req == smps_mode &&
2264 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2265 return 0;
2266
2267 /*
2268 * If not associated, or current association is not an HT
04ecd257
JB		 2269 * association, there's no need to do anything, just store
2270 * the new value until we associate.
0f78231b
JB		 2271 */
2272 if (!sdata->u.mgd.associated ||
4bf88530 2273 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2274 return 0;
0f78231b 2275
0c1ad2ca 2276 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2277
2278 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2279 if (sdata->u.mgd.powersave)
2280 smps_mode = IEEE80211_SMPS_DYNAMIC;
2281 else
2282 smps_mode = IEEE80211_SMPS_OFF;
2283 }
2284
2285 /* send SM PS frame to AP */
2286 err = ieee80211_send_smps_action(sdata, smps_mode,
2287 ap, ap);
2288 if (err)
2289 sdata->u.mgd.req_smps = old_req;
2290
2291 return err;
2292}
2293
bc92afd9
JB		 2294static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2295 bool enabled, int timeout)
2296{
2297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2298 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2299
ee1f6681
CYY		 2300 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2301 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2302 return -EOPNOTSUPP;
2303
bc92afd9
JB		 2304 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2305 return -EOPNOTSUPP;
2306
2307 if (enabled == sdata->u.mgd.powersave &&
ff616381 2308 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2309 return 0;
2310
2311 sdata->u.mgd.powersave = enabled;
ff616381 2312 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2313
0f78231b
JB		 2314 /* no change, but if automatic follow powersave */
2315 mutex_lock(&sdata->u.mgd.mtx);
2316 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2317 mutex_unlock(&sdata->u.mgd.mtx);
2318
bc92afd9
JB		 2319 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2320 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2321
2322 ieee80211_recalc_ps(local, -1);
ab095877 2323 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2324
2325 return 0;
2326}
2327
a97c13c3
JO		 2328static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2329 struct net_device *dev,
2330 s32 rssi_thold, u32 rssi_hyst)
2331{
2332 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2333 struct ieee80211_vif *vif = &sdata->vif;
2334 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2335
a97c13c3
JO		 2336 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2337 rssi_hyst == bss_conf->cqm_rssi_hyst)
2338 return 0;
2339
2340 bss_conf->cqm_rssi_thold = rssi_thold;
2341 bss_conf->cqm_rssi_hyst = rssi_hyst;
2342
2343 /* tell the driver upon association, unless already associated */
ea086359
JB		 2344 if (sdata->u.mgd.associated &&
2345 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2346 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2347
2348 return 0;
2349}
2350
9930380f
JB		 2351static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2352 struct net_device *dev,
2353 const u8 *addr,
2354 const struct cfg80211_bitrate_mask *mask)
2355{
2356 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2357 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2358 int i, ret;
2c7e6bc9 2359
554a43d5
EP		 2360 if (!ieee80211_sdata_running(sdata))
2361 return -ENETDOWN;
2362
bdbfd6b5
SM		 2363 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2364 ret = drv_set_bitrate_mask(local, sdata, mask);
2365 if (ret)
2366 return ret;
2367 }
9930380f 2368
19468413 2369 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2370 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2371 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2372 sizeof(mask->control[i].mcs));
2373 }
9930380f 2374
37eb0b16 2375 return 0;
9930380f
JB		 2376}
2377
2eb278e0
JB		 2378static int ieee80211_start_roc_work(struct ieee80211_local *local,
2379 struct ieee80211_sub_if_data *sdata,
2380 struct ieee80211_channel *channel,
2eb278e0
JB		 2381 unsigned int duration, u64 *cookie,
2382 struct sk_buff *txskb)
2383{
2384 struct ieee80211_roc_work *roc, *tmp;
2385 bool queued = false;
21f83589 2386 int ret;
21f83589
JB		 2387
2388 lockdep_assert_held(&local->mtx);
2389
fe57d9f5
JB		 2390 if (local->use_chanctx && !local->ops->remain_on_channel)
2391 return -EOPNOTSUPP;
2392
2eb278e0
JB		 2393 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2394 if (!roc)
2395 return -ENOMEM;
2396
2397 roc->chan = channel;
2eb278e0
JB		 2398 roc->duration = duration;
2399 roc->req_duration = duration;
2400 roc->frame = txskb;
2401 roc->mgmt_tx_cookie = (unsigned long)txskb;
2402 roc->sdata = sdata;
2403 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2404 INIT_LIST_HEAD(&roc->dependents);
2405
2406 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2407 if (!list_empty(&local->roc_list) ||
2408 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2409 goto out_check_combine;
2410
2411 /* if not HW assist, just queue & schedule work */
2412 if (!local->ops->remain_on_channel) {
2413 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2414 goto out_queue;
2415 }
2416
2417 /* otherwise actually kick it off here (for error handling) */
2418
2419 /*
2420 * If the duration is zero, then the driver
2421 * wouldn't actually do anything. Set it to
2422 * 10 for now.
2423 *
2424 * TODO: cancel the off-channel operation
2425 * when we get the SKB's TX status and
2426 * the wait time was zero before.
2427 */
2428 if (!duration)
2429 duration = 10;
2430
42d97a59 2431 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2432 if (ret) {
2eb278e0
JB		 2433 kfree(roc);
2434 return ret;
21f83589
JB		 2435 }
2436
2eb278e0
JB		 2437 roc->started = true;
2438 goto out_queue;
2439
2440 out_check_combine:
2441 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2442 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2443 continue;
2444
2445 /*
2446 * Extend this ROC if possible:
2447 *
2448 * If it hasn't started yet, just increase the duration
2449 * and add the new one to the list of dependents.
2450 */
2451 if (!tmp->started) {
2452 list_add_tail(&roc->list, &tmp->dependents);
2453 tmp->duration = max(tmp->duration, roc->duration);
2454 queued = true;
2455 break;
2456 }
2457
2458 /* If it has already started, it's more difficult ... */
2459 if (local->ops->remain_on_channel) {
2460 unsigned long j = jiffies;
2461
2462 /*
2463 * In the offloaded ROC case, if it hasn't begun, add
2464 * this new one to the dependent list to be handled
2465 * when the the master one begins. If it has begun,
2466 * check that there's still a minimum time left and
2467 * if so, start this one, transmitting the frame, but
2468 * add it to the list directly after this one with a
2469 * a reduced time so we'll ask the driver to execute
2470 * it right after finishing the previous one, in the
2471 * hope that it'll also be executed right afterwards,
2472 * effectively extending the old one.
2473 * If there's no minimum time left, just add it to the
2474 * normal list.
2475 */
2476 if (!tmp->hw_begun) {
2477 list_add_tail(&roc->list, &tmp->dependents);
2478 queued = true;
2479 break;
2480 }
2481
2482 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2483 tmp->hw_start_time +
2484 msecs_to_jiffies(tmp->duration))) {
2485 int new_dur;
2486
2487 ieee80211_handle_roc_started(roc);
2488
2489 new_dur = roc->duration -
2490 jiffies_to_msecs(tmp->hw_start_time +
2491 msecs_to_jiffies(
2492 tmp->duration) -
2493 j);
2494
2495 if (new_dur > 0) {
2496 /* add right after tmp */
2497 list_add(&roc->list, &tmp->list);
2498 } else {
2499 list_add_tail(&roc->list,
2500 &tmp->dependents);
2501 }
2502 queued = true;
2503 }
2504 } else if (del_timer_sync(&tmp->work.timer)) {
2505 unsigned long new_end;
2506
2507 /*
2508 * In the software ROC case, cancel the timer, if
2509 * that fails then the finish work is already
2510 * queued/pending and thus we queue the new ROC
2511 * normally, if that succeeds then we can extend
2512 * the timer duration and TX the frame (if any.)
2513 */
2514
2515 list_add_tail(&roc->list, &tmp->dependents);
2516 queued = true;
2517
2518 new_end = jiffies + msecs_to_jiffies(roc->duration);
2519
2520 /* ok, it was started & we canceled timer */
2521 if (time_after(new_end, tmp->work.timer.expires))
2522 mod_timer(&tmp->work.timer, new_end);
2523 else
2524 add_timer(&tmp->work.timer);
2525
2526 ieee80211_handle_roc_started(roc);
2527 }
2528 break;
2529 }
2530
2531 out_queue:
2532 if (!queued)
2533 list_add_tail(&roc->list, &local->roc_list);
2534
2535 /*
50febf6a 2536 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2537 * or the SKB (for mgmt TX)
2538 */
50febf6a
JB		 2539 if (!txskb) {
2540 /* local->mtx protects this */
2541 local->roc_cookie_counter++;
2542 roc->cookie = local->roc_cookie_counter;
2543 /* wow, you wrapped 64 bits ... more likely a bug */
2544 if (WARN_ON(roc->cookie == 0)) {
2545 roc->cookie = 1;
2546 local->roc_cookie_counter++;
2547 }
2548 *cookie = roc->cookie;
2549 } else {
2eb278e0 2550 *cookie = (unsigned long)txskb;
50febf6a 2551 }
2eb278e0
JB		 2552
2553 return 0;
21f83589
JB		 2554}
2555
b8bc4b0a 2556static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2557 struct wireless_dev *wdev,
b8bc4b0a 2558 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2559 unsigned int duration,
2560 u64 *cookie)
2561{
71bbc994 2562 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2563 struct ieee80211_local *local = sdata->local;
2eb278e0 2564 int ret;
21f83589 2565
2eb278e0 2566 mutex_lock(&local->mtx);
42d97a59 2567 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2568 duration, cookie, NULL);
2569 mutex_unlock(&local->mtx);
b8bc4b0a 2570
2eb278e0 2571 return ret;
b8bc4b0a
JB		 2572}
2573
2eb278e0
JB		 2574static int ieee80211_cancel_roc(struct ieee80211_local *local,
2575 u64 cookie, bool mgmt_tx)
21f83589 2576{
2eb278e0 2577 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2578 int ret;
2579
2eb278e0
JB		 2580 mutex_lock(&local->mtx);
2581 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2582 struct ieee80211_roc_work *dep, *tmp2;
2583
2584 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2585 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2586 continue;
2587 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2588 continue;
2589 /* found dependent item -- just remove it */
2590 list_del(&dep->list);
2591 mutex_unlock(&local->mtx);
2592
2593 ieee80211_roc_notify_destroy(dep);
2594 return 0;
2595 }
2596
50febf6a 2597 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2598 continue;
2599 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2600 continue;
21f83589 2601
2eb278e0
JB		 2602 found = roc;
2603 break;
2604 }
21f83589 2605
2eb278e0
JB		 2606 if (!found) {
2607 mutex_unlock(&local->mtx);
2608 return -ENOENT;
2609 }
21f83589 2610
e979e33c
JB		 2611 /*
2612 * We found the item to cancel, so do that. Note that it
2613 * may have dependents, which we also cancel (and send
2614 * the expired signal for.) Not doing so would be quite
2615 * tricky here, but we may need to fix it later.
2616 */
2617
2eb278e0
JB		 2618 if (local->ops->remain_on_channel) {
2619 if (found->started) {
2620 ret = drv_cancel_remain_on_channel(local);
2621 if (WARN_ON_ONCE(ret)) {
2622 mutex_unlock(&local->mtx);
2623 return ret;
2624 }
2625 }
21f83589 2626
2eb278e0 2627 list_del(&found->list);
21f83589 2628
0f6b3f59
JB		 2629 if (found->started)
2630 ieee80211_start_next_roc(local);
2eb278e0 2631 mutex_unlock(&local->mtx);
21f83589 2632
2eb278e0
JB		 2633 ieee80211_roc_notify_destroy(found);
2634 } else {
2635 /* work may be pending so use it all the time */
2636 found->abort = true;
2637 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2638
21f83589
JB		 2639 mutex_unlock(&local->mtx);
2640
2eb278e0
JB		 2641 /* work will clean up etc */
2642 flush_delayed_work(&found->work);
21f83589 2643 }
b8bc4b0a 2644
2eb278e0 2645 return 0;
b8bc4b0a
JB		 2646}
2647
2eb278e0 2648static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2649 struct wireless_dev *wdev,
2eb278e0 2650 u64 cookie)
f30221e4 2651{
71bbc994 2652 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2653 struct ieee80211_local *local = sdata->local;
f30221e4 2654
2eb278e0 2655 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2656}
2657
164eb02d
SW		 2658static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2659 struct net_device *dev,
2660 struct cfg80211_chan_def *chandef)
2661{
2662 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2663 struct ieee80211_local *local = sdata->local;
2664 unsigned long timeout;
2665 int err;
2666
2667 if (!list_empty(&local->roc_list) || local->scanning)
2668 return -EBUSY;
2669
2670 /* whatever, but channel contexts should not complain about that one */
2671 sdata->smps_mode = IEEE80211_SMPS_OFF;
2672 sdata->needed_rx_chains = local->rx_chains;
2673 sdata->radar_required = true;
2674
2675 mutex_lock(&local->iflist_mtx);
2676 err = ieee80211_vif_use_channel(sdata, chandef,
2677 IEEE80211_CHANCTX_SHARED);
2678 mutex_unlock(&local->iflist_mtx);
2679 if (err)
2680 return err;
2681
2682 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2683 ieee80211_queue_delayed_work(&sdata->local->hw,
2684 &sdata->dfs_cac_timer_work, timeout);
2685
2686 return 0;
2687}
2688
71bbc994 2689static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2690 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2691 unsigned int wait, const u8 *buf, size_t len,
2692 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2693{
71bbc994 2694 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2695 struct ieee80211_local *local = sdata->local;
2696 struct sk_buff *skb;
2697 struct sta_info *sta;
2698 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2699 bool need_offchan = false;
e247bd90 2700 u32 flags;
2eb278e0 2701 int ret;
f7ca38df 2702
e247bd90
JB		 2703 if (dont_wait_for_ack)
2704 flags = IEEE80211_TX_CTL_NO_ACK;
2705 else
2706 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2707 IEEE80211_TX_CTL_REQ_TX_STATUS;
2708
aad14ceb
RM		 2709 if (no_cck)
2710 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2711
9d38d85d
JB		 2712 switch (sdata->vif.type) {
2713 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2714 if (!sdata->vif.bss_conf.ibss_joined)
2715 need_offchan = true;
2716 /* fall through */
2717#ifdef CONFIG_MAC80211_MESH
2718 case NL80211_IFTYPE_MESH_POINT:
2719 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2720 !sdata->u.mesh.mesh_id_len)
2721 need_offchan = true;
2722 /* fall through */
2723#endif
663fcafd
JB		 2724 case NL80211_IFTYPE_AP:
2725 case NL80211_IFTYPE_AP_VLAN:
2726 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2727 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2728 !ieee80211_vif_is_mesh(&sdata->vif) &&
2729 !rcu_access_pointer(sdata->bss->beacon))
2730 need_offchan = true;
663fcafd
JB		 2731 if (!ieee80211_is_action(mgmt->frame_control) ||
2732 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2733 break;
2734 rcu_read_lock();
2735 sta = sta_info_get(sdata, mgmt->da);
2736 rcu_read_unlock();
2737 if (!sta)
2738 return -ENOLINK;
2739 break;
2740 case NL80211_IFTYPE_STATION:
663fcafd 2741 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2742 if (!sdata->u.mgd.associated)
2743 need_offchan = true;
9d38d85d 2744 break;
f142c6b9
JB		 2745 case NL80211_IFTYPE_P2P_DEVICE:
2746 need_offchan = true;
2747 break;
9d38d85d
JB		 2748 default:
2749 return -EOPNOTSUPP;
2750 }
2751
2eb278e0
JB		 2752 mutex_lock(&local->mtx);
2753
2754 /* Check if the operating channel is the requested channel */
2755 if (!need_offchan) {
55de908a
JB		 2756 struct ieee80211_chanctx_conf *chanctx_conf;
2757
2758 rcu_read_lock();
2759 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2760
42d97a59 2761 if (chanctx_conf)
4bf88530 2762 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2763 else
2eb278e0 2764 need_offchan = true;
55de908a 2765 rcu_read_unlock();
2eb278e0
JB		 2766 }
2767
2768 if (need_offchan && !offchan) {
2769 ret = -EBUSY;
2770 goto out_unlock;
2771 }
2772
9d38d85d 2773 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2774 if (!skb) {
2775 ret = -ENOMEM;
2776 goto out_unlock;
2777 }
9d38d85d
JB		 2778 skb_reserve(skb, local->hw.extra_tx_headroom);
2779
2780 memcpy(skb_put(skb, len), buf, len);
2781
2782 IEEE80211_SKB_CB(skb)->flags = flags;
2783
2784 skb->dev = sdata->dev;
9d38d85d 2785
2eb278e0 2786 if (!need_offchan) {
7f9f78ab 2787 *cookie = (unsigned long) skb;
f30221e4 2788 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2789 ret = 0;
2790 goto out_unlock;
f30221e4
JB		 2791 }
2792
6c17b77b
SF		 2793 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2794 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 2795 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2796 IEEE80211_SKB_CB(skb)->hw_queue =
2797 local->hw.offchannel_tx_hw_queue;
f30221e4 2798
2eb278e0 2799 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2800 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2801 wait, cookie, skb);
2802 if (ret)
2803 kfree_skb(skb);
2804 out_unlock:
2805 mutex_unlock(&local->mtx);
2806 return ret;
026331c4
JM		 2807}
2808
f30221e4 2809static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2810 struct wireless_dev *wdev,
f30221e4
JB		 2811 u64 cookie)
2812{
71bbc994 2813 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2814
2eb278e0 2815 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2816}
2817
7be5086d 2818static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2819 struct wireless_dev *wdev,
7be5086d
JB		 2820 u16 frame_type, bool reg)
2821{
2822 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2823 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2824
6abe0563
WH		 2825 switch (frame_type) {
2826 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2827 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2828 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2829
6abe0563
WH		 2830 if (reg)
2831 ifibss->auth_frame_registrations++;
2832 else
2833 ifibss->auth_frame_registrations--;
2834 }
2835 break;
2836 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2837 if (reg)
2838 local->probe_req_reg++;
2839 else
2840 local->probe_req_reg--;
7be5086d 2841
35f5149e
FF		 2842 if (!local->open_count)
2843 break;
2844
6abe0563
WH		 2845 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2846 break;
2847 default:
2848 break;
2849 }
7be5086d
JB		 2850}
2851
15d96753
BR		 2852static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2853{
2854 struct ieee80211_local *local = wiphy_priv(wiphy);
2855
2856 if (local->started)
2857 return -EOPNOTSUPP;
2858
2859 return drv_set_antenna(local, tx_ant, rx_ant);
2860}
2861
2862static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2863{
2864 struct ieee80211_local *local = wiphy_priv(wiphy);
2865
2866 return drv_get_antenna(local, tx_ant, rx_ant);
2867}
2868
38c09159
JL		 2869static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2870{
2871 struct ieee80211_local *local = wiphy_priv(wiphy);
2872
2873 return drv_set_ringparam(local, tx, rx);
2874}
2875
2876static void ieee80211_get_ringparam(struct wiphy *wiphy,
2877 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2878{
2879 struct ieee80211_local *local = wiphy_priv(wiphy);
2880
2881 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2882}
2883
c68f4b89
JB		 2884static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2885 struct net_device *dev,
2886 struct cfg80211_gtk_rekey_data *data)
2887{
2888 struct ieee80211_local *local = wiphy_priv(wiphy);
2889 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2890
2891 if (!local->ops->set_rekey_data)
2892 return -EOPNOTSUPP;
2893
2894 drv_set_rekey_data(local, sdata, data);
2895
2896 return 0;
2897}
2898
dfe018bf
AN		 2899static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2900{
2901 u8 *pos = (void *)skb_put(skb, 7);
2902
2903 *pos++ = WLAN_EID_EXT_CAPABILITY;
2904 *pos++ = 5; /* len */
2905 *pos++ = 0x0;
2906 *pos++ = 0x0;
2907 *pos++ = 0x0;
2908 *pos++ = 0x0;
2909 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2910}
2911
2912static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2913{
2914 struct ieee80211_local *local = sdata->local;
2915 u16 capab;
2916
2917 capab = 0;
55de908a 2918 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2919 return capab;
2920
2921 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2922 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2923 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2924 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2925
2926 return capab;
2927}
2928
2929static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2930 u8 *peer, u8 *bssid)
2931{
2932 struct ieee80211_tdls_lnkie *lnkid;
2933
2934 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2935
2936 lnkid->ie_type = WLAN_EID_LINK_ID;
2937 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2938
2939 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2940 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2941 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2942}
2943
2944static int
2945ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2946 u8 *peer, u8 action_code, u8 dialog_token,
2947 u16 status_code, struct sk_buff *skb)
2948{
2949 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2950 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2951 struct ieee80211_tdls_data *tf;
2952
2953 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2954
2955 memcpy(tf->da, peer, ETH_ALEN);
2956 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2957 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2958 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2959
2960 switch (action_code) {
2961 case WLAN_TDLS_SETUP_REQUEST:
2962 tf->category = WLAN_CATEGORY_TDLS;
2963 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2964
2965 skb_put(skb, sizeof(tf->u.setup_req));
2966 tf->u.setup_req.dialog_token = dialog_token;
2967 tf->u.setup_req.capability =
2968 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2969
55de908a
JB		 2970 ieee80211_add_srates_ie(sdata, skb, false, band);
2971 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2972 ieee80211_tdls_add_ext_capab(skb);
2973 break;
2974 case WLAN_TDLS_SETUP_RESPONSE:
2975 tf->category = WLAN_CATEGORY_TDLS;
2976 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2977
2978 skb_put(skb, sizeof(tf->u.setup_resp));
2979 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2980 tf->u.setup_resp.dialog_token = dialog_token;
2981 tf->u.setup_resp.capability =
2982 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2983
55de908a
JB		 2984 ieee80211_add_srates_ie(sdata, skb, false, band);
2985 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2986 ieee80211_tdls_add_ext_capab(skb);
2987 break;
2988 case WLAN_TDLS_SETUP_CONFIRM:
2989 tf->category = WLAN_CATEGORY_TDLS;
2990 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2991
2992 skb_put(skb, sizeof(tf->u.setup_cfm));
2993 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2994 tf->u.setup_cfm.dialog_token = dialog_token;
2995 break;
2996 case WLAN_TDLS_TEARDOWN:
2997 tf->category = WLAN_CATEGORY_TDLS;
2998 tf->action_code = WLAN_TDLS_TEARDOWN;
2999
3000 skb_put(skb, sizeof(tf->u.teardown));
3001 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3002 break;
3003 case WLAN_TDLS_DISCOVERY_REQUEST:
3004 tf->category = WLAN_CATEGORY_TDLS;
3005 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3006
3007 skb_put(skb, sizeof(tf->u.discover_req));
3008 tf->u.discover_req.dialog_token = dialog_token;
3009 break;
3010 default:
3011 return -EINVAL;
3012 }
3013
3014 return 0;
3015}
3016
3017static int
3018ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3019 u8 *peer, u8 action_code, u8 dialog_token,
3020 u16 status_code, struct sk_buff *skb)
3021{
3022 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3023 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3024 struct ieee80211_mgmt *mgmt;
3025
3026 mgmt = (void *)skb_put(skb, 24);
3027 memset(mgmt, 0, 24);
3028 memcpy(mgmt->da, peer, ETH_ALEN);
3029 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3030 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3031
3032 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3033 IEEE80211_STYPE_ACTION);
3034
3035 switch (action_code) {
3036 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3037 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3038 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3039 mgmt->u.action.u.tdls_discover_resp.action_code =
3040 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3041 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3042 dialog_token;
3043 mgmt->u.action.u.tdls_discover_resp.capability =
3044 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3045
55de908a
JB		 3046 ieee80211_add_srates_ie(sdata, skb, false, band);
3047 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3048 ieee80211_tdls_add_ext_capab(skb);
3049 break;
3050 default:
3051 return -EINVAL;
3052 }
3053
3054 return 0;
3055}
3056
3057static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3058 u8 *peer, u8 action_code, u8 dialog_token,
3059 u16 status_code, const u8 *extra_ies,
3060 size_t extra_ies_len)
3061{
3062 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3063 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3064 struct sk_buff *skb = NULL;
3065 bool send_direct;
3066 int ret;
3067
3068 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3069 return -ENOTSUPP;
3070
3071 /* make sure we are in managed mode, and associated */
3072 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3073 !sdata->u.mgd.associated)
3074 return -EINVAL;
3075
bdcbd8e0
JB		 3076 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3077 action_code, peer);
dfe018bf
AN		 3078
3079 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3080 max(sizeof(struct ieee80211_mgmt),
3081 sizeof(struct ieee80211_tdls_data)) +
3082 50 + /* supported rates */
3083 7 + /* ext capab */
3084 extra_ies_len +
3085 sizeof(struct ieee80211_tdls_lnkie));
3086 if (!skb)
3087 return -ENOMEM;
3088
dfe018bf
AN		 3089 skb_reserve(skb, local->hw.extra_tx_headroom);
3090
3091 switch (action_code) {
3092 case WLAN_TDLS_SETUP_REQUEST:
3093 case WLAN_TDLS_SETUP_RESPONSE:
3094 case WLAN_TDLS_SETUP_CONFIRM:
3095 case WLAN_TDLS_TEARDOWN:
3096 case WLAN_TDLS_DISCOVERY_REQUEST:
3097 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3098 action_code, dialog_token,
3099 status_code, skb);
3100 send_direct = false;
3101 break;
3102 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3103 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3104 dialog_token, status_code,
3105 skb);
3106 send_direct = true;
3107 break;
3108 default:
3109 ret = -ENOTSUPP;
3110 break;
3111 }
3112
3113 if (ret < 0)
3114 goto fail;
3115
3116 if (extra_ies_len)
3117 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3118
3119 /* the TDLS link IE is always added last */
3120 switch (action_code) {
3121 case WLAN_TDLS_SETUP_REQUEST:
3122 case WLAN_TDLS_SETUP_CONFIRM:
3123 case WLAN_TDLS_TEARDOWN:
3124 case WLAN_TDLS_DISCOVERY_REQUEST:
3125 /* we are the initiator */
3126 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3127 sdata->u.mgd.bssid);
3128 break;
3129 case WLAN_TDLS_SETUP_RESPONSE:
3130 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3131 /* we are the responder */
3132 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3133 sdata->u.mgd.bssid);
3134 break;
3135 default:
3136 ret = -ENOTSUPP;
3137 goto fail;
3138 }
3139
3140 if (send_direct) {
3141 ieee80211_tx_skb(sdata, skb);
3142 return 0;
3143 }
3144
3145 /*
3146 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3147 * we should default to AC_VI.
3148 */
3149 switch (action_code) {
3150 case WLAN_TDLS_SETUP_REQUEST:
3151 case WLAN_TDLS_SETUP_RESPONSE:
3152 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3153 skb->priority = 2;
3154 break;
3155 default:
3156 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3157 skb->priority = 5;
3158 break;
3159 }
3160
3161 /* disable bottom halves when entering the Tx path */
3162 local_bh_disable();
3163 ret = ieee80211_subif_start_xmit(skb, dev);
3164 local_bh_enable();
3165
3166 return ret;
3167
3168fail:
3169 dev_kfree_skb(skb);
3170 return ret;
3171}
3172
3173static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3174 u8 *peer, enum nl80211_tdls_operation oper)
3175{
941c93cd 3176 struct sta_info *sta;
dfe018bf
AN		 3177 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3178
3179 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3180 return -ENOTSUPP;
3181
3182 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3183 return -EINVAL;
3184
bdcbd8e0 3185 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3186
3187 switch (oper) {
3188 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3189 rcu_read_lock();
3190 sta = sta_info_get(sdata, peer);
3191 if (!sta) {
3192 rcu_read_unlock();
3193 return -ENOLINK;
3194 }
3195
c2c98fde 3196 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3197 rcu_read_unlock();
dfe018bf
AN		 3198 break;
3199 case NL80211_TDLS_DISABLE_LINK:
3200 return sta_info_destroy_addr(sdata, peer);
3201 case NL80211_TDLS_TEARDOWN:
3202 case NL80211_TDLS_SETUP:
3203 case NL80211_TDLS_DISCOVERY_REQ:
3204 /* We don't support in-driver setup/teardown/discovery */
3205 return -ENOTSUPP;
3206 default:
3207 return -ENOTSUPP;
3208 }
3209
3210 return 0;
3211}
3212
06500736
JB		 3213static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3214 const u8 *peer, u64 *cookie)
3215{
3216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3217 struct ieee80211_local *local = sdata->local;
3218 struct ieee80211_qos_hdr *nullfunc;
3219 struct sk_buff *skb;
3220 int size = sizeof(*nullfunc);
3221 __le16 fc;
3222 bool qos;
3223 struct ieee80211_tx_info *info;
3224 struct sta_info *sta;
55de908a
JB		 3225 struct ieee80211_chanctx_conf *chanctx_conf;
3226 enum ieee80211_band band;
06500736
JB		 3227
3228 rcu_read_lock();
55de908a
JB		 3229 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3230 if (WARN_ON(!chanctx_conf)) {
3231 rcu_read_unlock();
3232 return -EINVAL;
3233 }
4bf88530 3234 band = chanctx_conf->def.chan->band;
06500736 3235 sta = sta_info_get(sdata, peer);
b4487c2d 3236 if (sta) {
06500736 3237 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3238 } else {
3239 rcu_read_unlock();
06500736 3240 return -ENOLINK;
b4487c2d 3241 }
06500736
JB		 3242
3243 if (qos) {
3244 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3245 IEEE80211_STYPE_QOS_NULLFUNC |
3246 IEEE80211_FCTL_FROMDS);
3247 } else {
3248 size -= 2;
3249 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3250 IEEE80211_STYPE_NULLFUNC |
3251 IEEE80211_FCTL_FROMDS);
3252 }
3253
3254 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3255 if (!skb) {
3256 rcu_read_unlock();
06500736 3257 return -ENOMEM;
55de908a 3258 }
06500736
JB		 3259
3260 skb->dev = dev;
3261
3262 skb_reserve(skb, local->hw.extra_tx_headroom);
3263
3264 nullfunc = (void *) skb_put(skb, size);
3265 nullfunc->frame_control = fc;
3266 nullfunc->duration_id = 0;
3267 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3268 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3269 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3270 nullfunc->seq_ctrl = 0;
3271
3272 info = IEEE80211_SKB_CB(skb);
3273
3274 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3275 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3276
3277 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3278 skb->priority = 7;
3279 if (qos)
3280 nullfunc->qos_ctrl = cpu_to_le16(7);
3281
3282 local_bh_disable();
55de908a 3283 ieee80211_xmit(sdata, skb, band);
06500736 3284 local_bh_enable();
55de908a 3285 rcu_read_unlock();
06500736
JB		 3286
3287 *cookie = (unsigned long) skb;
3288 return 0;
3289}
3290
683b6d3b
JB		 3291static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3292 struct wireless_dev *wdev,
3293 struct cfg80211_chan_def *chandef)
5b7ccaf3 3294{
55de908a 3295 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3296 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3297 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3298 int ret = -ENODATA;
55de908a
JB		 3299
3300 rcu_read_lock();
feda3027
JB		 3301 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3302 if (chanctx_conf) {
3303 *chandef = chanctx_conf->def;
3304 ret = 0;
3305 } else if (local->open_count > 0 &&
3306 local->open_count == local->monitors &&
3307 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3308 if (local->use_chanctx)
3309 *chandef = local->monitor_chandef;
3310 else
3311 cfg80211_chandef_create(chandef,
3312 local->_oper_channel,
3313 local->_oper_channel_type);
683b6d3b 3314 ret = 0;
55de908a
JB		 3315 }
3316 rcu_read_unlock();
5b7ccaf3 3317
683b6d3b 3318 return ret;
5b7ccaf3
JB		 3319}
3320
6d52563f
JB		 3321#ifdef CONFIG_PM
3322static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3323{
3324 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3325}
3326#endif
3327
f0706e82
JB		 3328struct cfg80211_ops mac80211_config_ops = {
3329 .add_virtual_intf = ieee80211_add_iface,
3330 .del_virtual_intf = ieee80211_del_iface,
42613db7 3331 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3332 .start_p2p_device = ieee80211_start_p2p_device,
3333 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3334 .add_key = ieee80211_add_key,
3335 .del_key = ieee80211_del_key,
62da92fb 3336 .get_key = ieee80211_get_key,
e8cbb4cb 3337 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3338 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3339 .start_ap = ieee80211_start_ap,
3340 .change_beacon = ieee80211_change_beacon,
3341 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3342 .add_station = ieee80211_add_station,
3343 .del_station = ieee80211_del_station,
3344 .change_station = ieee80211_change_station,
7bbdd2d9 3345 .get_station = ieee80211_get_station,
c5dd9c2b 3346 .dump_station = ieee80211_dump_station,
1289723e 3347 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3348#ifdef CONFIG_MAC80211_MESH
3349 .add_mpath = ieee80211_add_mpath,
3350 .del_mpath = ieee80211_del_mpath,
3351 .change_mpath = ieee80211_change_mpath,
3352 .get_mpath = ieee80211_get_mpath,
3353 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3354 .update_mesh_config = ieee80211_update_mesh_config,
3355 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3356 .join_mesh = ieee80211_join_mesh,
3357 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3358#endif
9f1ba906 3359 .change_bss = ieee80211_change_bss,
31888487 3360 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3361 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3362 .suspend = ieee80211_suspend,
3363 .resume = ieee80211_resume,
2a519311 3364 .scan = ieee80211_scan,
79f460ca
LC		 3365 .sched_scan_start = ieee80211_sched_scan_start,
3366 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3367 .auth = ieee80211_auth,
3368 .assoc = ieee80211_assoc,
3369 .deauth = ieee80211_deauth,
3370 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3371 .join_ibss = ieee80211_join_ibss,
3372 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3373 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3374 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3375 .set_tx_power = ieee80211_set_tx_power,
3376 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3377 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3378 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3379 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3380 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3381 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3382 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3383 .remain_on_channel = ieee80211_remain_on_channel,
3384 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3385 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3386 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3387 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3388 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3389 .set_antenna = ieee80211_set_antenna,
3390 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3391 .set_ringparam = ieee80211_set_ringparam,
3392 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3393 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3394 .tdls_oper = ieee80211_tdls_oper,
3395 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3396 .probe_client = ieee80211_probe_client,
b53be792 3397 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3398#ifdef CONFIG_PM
3399 .set_wakeup = ieee80211_set_wakeup,
3400#endif
b1ab7925
BG		 3401 .get_et_sset_count = ieee80211_get_et_sset_count,
3402 .get_et_stats = ieee80211_get_et_stats,
3403 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3404 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3405 .start_radar_detection = ieee80211_start_radar_detection,
f0706e82 3406};
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