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