]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - net/mac80211/cfg.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: Fix mac80211.h docbook comments
[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>
d98ad83e 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
f0706e82
JB		 6 *
7 * This file is GPLv2 as found in COPYING.
8 */
9
e8cbb4cb 10#include <linux/ieee80211.h>
f0706e82
JB		 11#include <linux/nl80211.h>
12#include <linux/rtnetlink.h>
5a0e3ad6 13#include <linux/slab.h>
881d966b 14#include <net/net_namespace.h>
5dfdaf58 15#include <linux/rcupdate.h>
dfe018bf 16#include <linux/if_ether.h>
f0706e82
JB		 17#include <net/cfg80211.h>
18#include "ieee80211_i.h"
24487981 19#include "driver-ops.h"
e0eb6859 20#include "cfg.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
552bff0c
JB		 25static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
6bab2e19 27 unsigned char name_assign_type,
84efbb84
JB		 28 enum nl80211_iftype type,
29 u32 *flags,
30 struct vif_params *params)
f0706e82
JB		 31{
32 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 33 struct wireless_dev *wdev;
8cc9a739
MW		 34 struct ieee80211_sub_if_data *sdata;
35 int err;
f0706e82 36
6bab2e19 37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 38 if (err)
39 return ERR_PTR(err);
8cc9a739 40
f9e10ce4 41 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 43 sdata->u.mntr_flags = *flags;
44 }
45
84efbb84 46 return wdev;
f0706e82
JB		 47}
48
84efbb84 49static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 50{
84efbb84 51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 52
75636525 53 return 0;
f0706e82
JB		 54}
55
e36d56b6
JB		 56static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
2ec600d6
LCC		 58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
42613db7 60{
9607e6b6 61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 62 int ret;
42613db7 63
05c914fe 64 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 65 if (ret)
66 return ret;
42613db7 67
9bc383de
JB		 68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0)
a9b3cd7f 70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 71 else if (type == NL80211_IFTYPE_STATION &&
72 params && params->use_4addr >= 0)
73 sdata->u.mgd.use_4addr = params->use_4addr;
74
85416a4f
CL		 75 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
76 struct ieee80211_local *local = sdata->local;
77
78 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 79 u32 mask = MONITOR_FLAG_COOK_FRAMES |
80 MONITOR_FLAG_ACTIVE;
81
85416a4f 82 /*
31eba5bc
FF		 83 * Prohibit MONITOR_FLAG_COOK_FRAMES and
84 * MONITOR_FLAG_ACTIVE to be changed while the
85 * interface is up.
85416a4f
CL		 86 * Else we would need to add a lot of cruft
87 * to update everything:
88 * cooked_mntrs, monitor and all fif_* counters
89 * reconfigure hardware
90 */
31eba5bc 91 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 92 return -EBUSY;
93
94 ieee80211_adjust_monitor_flags(sdata, -1);
95 sdata->u.mntr_flags = *flags;
96 ieee80211_adjust_monitor_flags(sdata, 1);
97
98 ieee80211_configure_filter(local);
99 } else {
100 /*
101 * Because the interface is down, ieee80211_do_stop
102 * and ieee80211_do_open take care of "everything"
103 * mentioned in the comment above.
104 */
105 sdata->u.mntr_flags = *flags;
106 }
107 }
f7917af9 108
42613db7
JB		 109 return 0;
110}
111
f142c6b9
JB		 112static int ieee80211_start_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
b6a55015
LC		 115 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
116 int ret;
117
118 mutex_lock(&sdata->local->chanctx_mtx);
119 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
120 mutex_unlock(&sdata->local->chanctx_mtx);
121 if (ret < 0)
122 return ret;
123
f142c6b9
JB		 124 return ieee80211_do_open(wdev, true);
125}
126
127static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
128 struct wireless_dev *wdev)
129{
130 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
131}
132
b53be792
SW		 133static int ieee80211_set_noack_map(struct wiphy *wiphy,
134 struct net_device *dev,
135 u16 noack_map)
136{
137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
138
139 sdata->noack_map = noack_map;
140 return 0;
141}
142
e8cbb4cb 143static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 144 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 145 struct key_params *params)
146{
26a58456 147 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 148 struct ieee80211_local *local = sdata->local;
e8cbb4cb 149 struct sta_info *sta = NULL;
2475b1cc 150 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 151 struct ieee80211_key *key;
3b96766f 152 int err;
e8cbb4cb 153
26a58456 154 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 155 return -ENETDOWN;
156
97359d12 157 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 158 switch (params->cipher) {
159 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 160 case WLAN_CIPHER_SUITE_TKIP:
97359d12 161 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 162 if (IS_ERR(local->wep_tx_tfm))
97359d12 163 return -EINVAL;
3cfcf6ac 164 break;
2475b1cc 165 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 166 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 167 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 168 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 169 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
170 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 171 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 172 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 173 break;
e8cbb4cb 174 default:
2475b1cc 175 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 176 break;
e8cbb4cb
JB		 177 }
178
97359d12 179 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 180 params->key, params->seq_len, params->seq,
181 cs);
1ac62ba7
BH		 182 if (IS_ERR(key))
183 return PTR_ERR(key);
db4d1169 184
e31b8213
JB		 185 if (pairwise)
186 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
187
2475b1cc 188 mutex_lock(&local->sta_mtx);
3b96766f 189
e8cbb4cb 190 if (mac_addr) {
ff973af7
TP		 191 if (ieee80211_vif_is_mesh(&sdata->vif))
192 sta = sta_info_get(sdata, mac_addr);
193 else
194 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 195 /*
196 * The ASSOC test makes sure the driver is ready to
197 * receive the key. When wpa_supplicant has roamed
198 * using FT, it attempts to set the key before
199 * association has completed, this rejects that attempt
d070f913 200 * so it will set the key again after association.
1626e0fa
JB		 201 *
202 * TODO: accept the key if we have a station entry and
203 * add it to the device after the station.
204 */
205 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 206 ieee80211_key_free_unused(key);
3b96766f
JB		 207 err = -ENOENT;
208 goto out_unlock;
db4d1169 209 }
e8cbb4cb
JB		 210 }
211
e548c49e
JB		 212 switch (sdata->vif.type) {
213 case NL80211_IFTYPE_STATION:
214 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
215 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
216 break;
217 case NL80211_IFTYPE_AP:
218 case NL80211_IFTYPE_AP_VLAN:
219 /* Keys without a station are used for TX only */
220 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
221 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
222 break;
223 case NL80211_IFTYPE_ADHOC:
224 /* no MFP (yet) */
225 break;
226 case NL80211_IFTYPE_MESH_POINT:
227#ifdef CONFIG_MAC80211_MESH
228 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
229 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
230 break;
231#endif
232 case NL80211_IFTYPE_WDS:
233 case NL80211_IFTYPE_MONITOR:
234 case NL80211_IFTYPE_P2P_DEVICE:
235 case NL80211_IFTYPE_UNSPECIFIED:
236 case NUM_NL80211_IFTYPES:
237 case NL80211_IFTYPE_P2P_CLIENT:
238 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 239 case NL80211_IFTYPE_OCB:
e548c49e
JB		 240 /* shouldn't happen */
241 WARN_ON_ONCE(1);
242 break;
243 }
244
2475b1cc
MS		 245 if (sta)
246 sta->cipher_scheme = cs;
247
3ffc2a90 248 err = ieee80211_key_link(key, sdata, sta);
db4d1169 249
3b96766f 250 out_unlock:
2475b1cc 251 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 252
253 return err;
e8cbb4cb
JB		 254}
255
256static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 257 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 258{
5c0c3641
JB		 259 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
260 struct ieee80211_local *local = sdata->local;
e8cbb4cb 261 struct sta_info *sta;
5c0c3641 262 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 263 int ret;
264
5c0c3641
JB		 265 mutex_lock(&local->sta_mtx);
266 mutex_lock(&local->key_mtx);
3b96766f 267
e8cbb4cb 268 if (mac_addr) {
3b96766f
JB		 269 ret = -ENOENT;
270
0e5ded5a 271 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 272 if (!sta)
3b96766f 273 goto out_unlock;
e8cbb4cb 274
5c0c3641 275 if (pairwise)
2475b1cc 276 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 277 else
40b275b6 278 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 279 } else
40b275b6 280 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 281
5c0c3641 282 if (!key) {
3b96766f
JB		 283 ret = -ENOENT;
284 goto out_unlock;
285 }
e8cbb4cb 286
3b8d9c29 287 ieee80211_key_free(key, true);
e8cbb4cb 288
3b96766f
JB		 289 ret = 0;
290 out_unlock:
5c0c3641
JB		 291 mutex_unlock(&local->key_mtx);
292 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 293
294 return ret;
e8cbb4cb
JB		 295}
296
62da92fb 297static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 298 u8 key_idx, bool pairwise, const u8 *mac_addr,
299 void *cookie,
62da92fb
JB		 300 void (*callback)(void *cookie,
301 struct key_params *params))
302{
14db74bc 303 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 304 struct sta_info *sta = NULL;
305 u8 seq[6] = {0};
306 struct key_params params;
e31b8213 307 struct ieee80211_key *key = NULL;
aba83a0b 308 u64 pn64;
62da92fb
JB		 309 u32 iv32;
310 u16 iv16;
311 int err = -ENOENT;
312
14db74bc
JB		 313 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314
3b96766f
JB		 315 rcu_read_lock();
316
62da92fb 317 if (mac_addr) {
0e5ded5a 318 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 319 if (!sta)
320 goto out;
321
354e159d 322 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 323 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 324 else if (!pairwise &&
325 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 326 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 327 } else
a3836e02 328 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 329
330 if (!key)
331 goto out;
332
333 memset(&params, 0, sizeof(params));
334
97359d12 335 params.cipher = key->conf.cipher;
62da92fb 336
97359d12
JB		 337 switch (key->conf.cipher) {
338 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 339 iv32 = key->u.tkip.tx.iv32;
340 iv16 = key->u.tkip.tx.iv16;
62da92fb 341
24487981
JB		 342 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
343 drv_get_tkip_seq(sdata->local,
344 key->conf.hw_key_idx,
345 &iv32, &iv16);
62da92fb
JB		 346
347 seq[0] = iv16 & 0xff;
348 seq[1] = (iv16 >> 8) & 0xff;
349 seq[2] = iv32 & 0xff;
350 seq[3] = (iv32 >> 8) & 0xff;
351 seq[4] = (iv32 >> 16) & 0xff;
352 seq[5] = (iv32 >> 24) & 0xff;
353 params.seq = seq;
354 params.seq_len = 6;
355 break;
97359d12 356 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 357 case WLAN_CIPHER_SUITE_CCMP_256:
aba83a0b
JB		 358 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
359 seq[0] = pn64;
360 seq[1] = pn64 >> 8;
361 seq[2] = pn64 >> 16;
362 seq[3] = pn64 >> 24;
363 seq[4] = pn64 >> 32;
364 seq[5] = pn64 >> 40;
62da92fb
JB		 365 params.seq = seq;
366 params.seq_len = 6;
367 break;
97359d12 368 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 369 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
75396ae6
JB		 370 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
371 seq[0] = pn64;
372 seq[1] = pn64 >> 8;
373 seq[2] = pn64 >> 16;
374 seq[3] = pn64 >> 24;
375 seq[4] = pn64 >> 32;
376 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 377 params.seq = seq;
378 params.seq_len = 6;
379 break;
8ade538b
JM		 380 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
381 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
382 pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
383 seq[0] = pn64;
384 seq[1] = pn64 >> 8;
385 seq[2] = pn64 >> 16;
386 seq[3] = pn64 >> 24;
387 seq[4] = pn64 >> 32;
388 seq[5] = pn64 >> 40;
389 params.seq = seq;
390 params.seq_len = 6;
391 break;
00b9cfa3
JM		 392 case WLAN_CIPHER_SUITE_GCMP:
393 case WLAN_CIPHER_SUITE_GCMP_256:
394 pn64 = atomic64_read(&key->u.gcmp.tx_pn);
395 seq[0] = pn64;
396 seq[1] = pn64 >> 8;
397 seq[2] = pn64 >> 16;
398 seq[3] = pn64 >> 24;
399 seq[4] = pn64 >> 32;
400 seq[5] = pn64 >> 40;
401 params.seq = seq;
402 params.seq_len = 6;
403 break;
62da92fb
JB		 404 }
405
406 params.key = key->conf.key;
407 params.key_len = key->conf.keylen;
408
409 callback(cookie, &params);
410 err = 0;
411
412 out:
3b96766f 413 rcu_read_unlock();
62da92fb
JB		 414 return err;
415}
416
e8cbb4cb
JB		 417static int ieee80211_config_default_key(struct wiphy *wiphy,
418 struct net_device *dev,
dbd2fd65
JB		 419 u8 key_idx, bool uni,
420 bool multi)
e8cbb4cb 421{
ad0e2b5a 422 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 423
f7e0104c 424 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 425
426 return 0;
427}
428
3cfcf6ac
JM		 429static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
430 struct net_device *dev,
431 u8 key_idx)
432{
66c52421 433 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 434
3cfcf6ac
JM		 435 ieee80211_set_default_mgmt_key(sdata, key_idx);
436
3cfcf6ac
JM		 437 return 0;
438}
439
6b62bf32
TP		 440void sta_set_rate_info_tx(struct sta_info *sta,
441 const struct ieee80211_tx_rate *rate,
442 struct rate_info *rinfo)
443{
444 rinfo->flags = 0;
8bc83c24 445 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 446 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 447 rinfo->mcs = rate->idx;
448 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
449 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
450 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
451 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
452 } else {
453 struct ieee80211_supported_band *sband;
2103dec1
SW		 454 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
455 u16 brate;
456
8bc83c24
JB		 457 sband = sta->local->hw.wiphy->bands[
458 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 459 brate = sband->bitrates[rate->idx].bitrate;
460 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 461 }
6b62bf32 462 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 463 rinfo->bw = RATE_INFO_BW_40;
464 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
465 rinfo->bw = RATE_INFO_BW_80;
466 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
467 rinfo->bw = RATE_INFO_BW_160;
468 else
469 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 470 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
471 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 472}
473
003e676a
S		 474void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
475{
476 rinfo->flags = 0;
477
478 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
479 rinfo->flags |= RATE_INFO_FLAGS_MCS;
480 rinfo->mcs = sta->last_rx_rate_idx;
481 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
482 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
483 rinfo->nss = sta->last_rx_rate_vht_nss;
484 rinfo->mcs = sta->last_rx_rate_idx;
485 } else {
486 struct ieee80211_supported_band *sband;
2103dec1
SW		 487 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
488 u16 brate;
003e676a
S		 489
490 sband = sta->local->hw.wiphy->bands[
491 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 492 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
493 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 494 }
495
003e676a
S		 496 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
497 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
b51f3bee
JB		 498
499 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
500 rinfo->bw = RATE_INFO_BW_5;
501 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
502 rinfo->bw = RATE_INFO_BW_10;
503 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
504 rinfo->bw = RATE_INFO_BW_40;
505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
506 rinfo->bw = RATE_INFO_BW_80;
507 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
508 rinfo->bw = RATE_INFO_BW_160;
509 else
510 rinfo->bw = RATE_INFO_BW_20;
003e676a
S		 511}
512
c5dd9c2b 513static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 514 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 515{
3b53fde8 516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 517 struct ieee80211_local *local = sdata->local;
c5dd9c2b 518 struct sta_info *sta;
d0709a65
JB		 519 int ret = -ENOENT;
520
66572cfc 521 mutex_lock(&local->sta_mtx);
c5dd9c2b 522
3b53fde8 523 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 524 if (sta) {
525 ret = 0;
17741cdc 526 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 527 sta_set_sinfo(sta, sinfo);
528 }
c5dd9c2b 529
66572cfc 530 mutex_unlock(&local->sta_mtx);
c5dd9c2b 531
d0709a65 532 return ret;
c5dd9c2b
LCC		 533}
534
1289723e
HS		 535static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
536 int idx, struct survey_info *survey)
537{
538 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
539
1289723e
HS		 540 return drv_get_survey(local, idx, survey);
541}
542
7bbdd2d9 543static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 544 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 545{
abe60632 546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 547 struct ieee80211_local *local = sdata->local;
7bbdd2d9 548 struct sta_info *sta;
d0709a65 549 int ret = -ENOENT;
7bbdd2d9 550
66572cfc 551 mutex_lock(&local->sta_mtx);
7bbdd2d9 552
0e5ded5a 553 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 554 if (sta) {
555 ret = 0;
556 sta_set_sinfo(sta, sinfo);
557 }
558
66572cfc 559 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 560
561 return ret;
7bbdd2d9
JB		 562}
563
55de908a 564static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 565 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 566{
567 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 568 struct ieee80211_sub_if_data *sdata;
569 int ret = 0;
3d9e6e12 570
4bf88530 571 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 572 return 0;
3d9e6e12 573
34a3740d 574 mutex_lock(&local->mtx);
55de908a
JB		 575 mutex_lock(&local->iflist_mtx);
576 if (local->use_chanctx) {
577 sdata = rcu_dereference_protected(
578 local->monitor_sdata,
579 lockdep_is_held(&local->iflist_mtx));
580 if (sdata) {
581 ieee80211_vif_release_channel(sdata);
4bf88530 582 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 583 IEEE80211_CHANCTX_EXCLUSIVE);
584 }
585 } else if (local->open_count == local->monitors) {
675a0b04 586 local->_oper_chandef = *chandef;
55de908a
JB		 587 ieee80211_hw_config(local, 0);
588 }
3d9e6e12 589
4bf88530
JB		 590 if (ret == 0)
591 local->monitor_chandef = *chandef;
55de908a 592 mutex_unlock(&local->iflist_mtx);
34a3740d 593 mutex_unlock(&local->mtx);
3d9e6e12 594
55de908a 595 return ret;
e8c9bd5b
JB		 596}
597
02945821 598static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 599 const u8 *resp, size_t resp_len,
600 const struct ieee80211_csa_settings *csa)
02945821 601{
aa7a0080 602 struct probe_resp *new, *old;
02945821
AN		 603
604 if (!resp || !resp_len)
aba4e6ff 605 return 1;
02945821 606
7ca133bc 607 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 608
aa7a0080 609 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 610 if (!new)
611 return -ENOMEM;
612
aa7a0080
ES		 613 new->len = resp_len;
614 memcpy(new->data, resp, resp_len);
02945821 615
af296bdb
MK		 616 if (csa)
617 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
618 csa->n_counter_offsets_presp *
619 sizeof(new->csa_counter_offsets[0]));
620
02945821 621 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 622 if (old)
623 kfree_rcu(old, rcu_head);
02945821
AN		 624
625 return 0;
626}
627
0ae07968 628static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 629 struct cfg80211_beacon_data *params,
630 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 631{
632 struct beacon_data *new, *old;
633 int new_head_len, new_tail_len;
8860020e
JB		 634 int size, err;
635 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 636
7ca133bc
SW		 637 old = sdata_dereference(sdata->u.ap.beacon, sdata);
638
5dfdaf58 639
5dfdaf58
JB		 640 /* Need to have a beacon head if we don't have one yet */
641 if (!params->head && !old)
8860020e 642 return -EINVAL;
5dfdaf58
JB		 643
644 /* new or old head? */
645 if (params->head)
646 new_head_len = params->head_len;
647 else
648 new_head_len = old->head_len;
649
650 /* new or old tail? */
651 if (params->tail || !old)
652 /* params->tail_len will be zero for !params->tail */
653 new_tail_len = params->tail_len;
654 else
655 new_tail_len = old->tail_len;
656
657 size = sizeof(*new) + new_head_len + new_tail_len;
658
659 new = kzalloc(size, GFP_KERNEL);
660 if (!new)
661 return -ENOMEM;
662
663 /* start filling the new info now */
664
5dfdaf58
JB		 665 /*
666 * pointers go into the block we allocated,
667 * memory is | beacon_data | head | tail |
668 */
669 new->head = ((u8 *) new) + sizeof(*new);
670 new->tail = new->head + new_head_len;
671 new->head_len = new_head_len;
672 new->tail_len = new_tail_len;
673
af296bdb
MK		 674 if (csa) {
675 new->csa_current_counter = csa->count;
676 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
677 csa->n_counter_offsets_beacon *
678 sizeof(new->csa_counter_offsets[0]));
679 }
680
5dfdaf58
JB		 681 /* copy in head */
682 if (params->head)
683 memcpy(new->head, params->head, new_head_len);
684 else
685 memcpy(new->head, old->head, new_head_len);
686
687 /* copy in optional tail */
688 if (params->tail)
689 memcpy(new->tail, params->tail, new_tail_len);
690 else
691 if (old)
692 memcpy(new->tail, old->tail, new_tail_len);
693
02945821 694 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 695 params->probe_resp_len, csa);
8860020e
JB		 696 if (err < 0)
697 return err;
698 if (err == 0)
02945821
AN		 699 changed |= BSS_CHANGED_AP_PROBE_RESP;
700
8860020e
JB		 701 rcu_assign_pointer(sdata->u.ap.beacon, new);
702
703 if (old)
704 kfree_rcu(old, rcu_head);
7827493b 705
8860020e 706 return changed;
5dfdaf58
JB		 707}
708
8860020e
JB		 709static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
710 struct cfg80211_ap_settings *params)
5dfdaf58 711{
8860020e 712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 713 struct ieee80211_local *local = sdata->local;
5dfdaf58 714 struct beacon_data *old;
665c93a9 715 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 716 u32 changed = BSS_CHANGED_BEACON_INT |
717 BSS_CHANGED_BEACON_ENABLED |
718 BSS_CHANGED_BEACON |
339afbf4 719 BSS_CHANGED_SSID |
4bcc56bb
JB		 720 BSS_CHANGED_P2P_PS |
721 BSS_CHANGED_TXPOWER;
8860020e 722 int err;
14db74bc 723
7ca133bc 724 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 725 if (old)
726 return -EALREADY;
727
f6993174
EP		 728 switch (params->smps_mode) {
729 case NL80211_SMPS_OFF:
730 sdata->smps_mode = IEEE80211_SMPS_OFF;
731 break;
732 case NL80211_SMPS_STATIC:
733 sdata->smps_mode = IEEE80211_SMPS_STATIC;
734 break;
735 case NL80211_SMPS_DYNAMIC:
736 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
737 break;
738 default:
739 return -EINVAL;
740 }
04ecd257
JB		 741 sdata->needed_rx_chains = sdata->local->rx_chains;
742
34a3740d 743 mutex_lock(&local->mtx);
4bf88530 744 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 745 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 746 if (!err)
747 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 748 mutex_unlock(&local->mtx);
aa430da4
JB		 749 if (err)
750 return err;
751
665c93a9
JB		 752 /*
753 * Apply control port protocol, this allows us to
754 * not encrypt dynamic WEP control frames.
755 */
756 sdata->control_port_protocol = params->crypto.control_port_ethertype;
757 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 758 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
759 &params->crypto,
760 sdata->vif.type);
761
665c93a9
JB		 762 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
763 vlan->control_port_protocol =
764 params->crypto.control_port_ethertype;
765 vlan->control_port_no_encrypt =
766 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 767 vlan->encrypt_headroom =
768 ieee80211_cs_headroom(sdata->local,
769 &params->crypto,
770 vlan->vif.type);
665c93a9
JB		 771 }
772
8860020e
JB		 773 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
774 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 775 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 776
777 sdata->vif.bss_conf.ssid_len = params->ssid_len;
778 if (params->ssid_len)
779 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
780 params->ssid_len);
781 sdata->vif.bss_conf.hidden_ssid =
782 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
783
67baf663
JD		 784 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
785 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
786 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
787 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
788 if (params->p2p_opp_ps)
789 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
790 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 791
af296bdb 792 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 793 if (err < 0) {
794 ieee80211_vif_release_channel(sdata);
8860020e 795 return err;
0297ea17 796 }
8860020e
JB		 797 changed |= err;
798
1041638f
JB		 799 err = drv_start_ap(sdata->local, sdata);
800 if (err) {
7ca133bc
SW		 801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802
1041638f
JB		 803 if (old)
804 kfree_rcu(old, rcu_head);
805 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 806 ieee80211_vif_release_channel(sdata);
1041638f
JB		 807 return err;
808 }
809
057d5f4b 810 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 811 ieee80211_bss_info_change_notify(sdata, changed);
812
3edaf3e6
JB		 813 netif_carrier_on(dev);
814 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
815 netif_carrier_on(vlan->dev);
816
665c93a9 817 return 0;
5dfdaf58
JB		 818}
819
8860020e
JB		 820static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
821 struct cfg80211_beacon_data *params)
5dfdaf58 822{
14db74bc 823 struct ieee80211_sub_if_data *sdata;
5dfdaf58 824 struct beacon_data *old;
8860020e 825 int err;
5dfdaf58 826
14db74bc 827 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 828 sdata_assert_lock(sdata);
14db74bc 829
73da7d5b
SW		 830 /* don't allow changing the beacon while CSA is in place - offset
831 * of channel switch counter may change
832 */
833 if (sdata->vif.csa_active)
834 return -EBUSY;
835
7ca133bc 836 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 837 if (!old)
838 return -ENOENT;
839
af296bdb 840 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 841 if (err < 0)
842 return err;
843 ieee80211_bss_info_change_notify(sdata, err);
844 return 0;
5dfdaf58
JB		 845}
846
8860020e 847static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 848{
7b20b8e8
JB		 849 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
850 struct ieee80211_sub_if_data *vlan;
851 struct ieee80211_local *local = sdata->local;
852 struct beacon_data *old_beacon;
853 struct probe_resp *old_probe_resp;
d2859df5 854 struct cfg80211_chan_def chandef;
14db74bc 855
dbd72850
MK		 856 sdata_assert_lock(sdata);
857
7ca133bc 858 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 859 if (!old_beacon)
5dfdaf58 860 return -ENOENT;
7ca133bc 861 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 862
73da7d5b 863 /* abort any running channel switch */
59af6928 864 mutex_lock(&local->mtx);
73da7d5b 865 sdata->vif.csa_active = false;
a46992b4
LC		 866 if (sdata->csa_block_tx) {
867 ieee80211_wake_vif_queues(local, sdata,
868 IEEE80211_QUEUE_STOP_REASON_CSA);
869 sdata->csa_block_tx = false;
870 }
871
59af6928
MK		 872 mutex_unlock(&local->mtx);
873
1f3b8a2b
SW		 874 kfree(sdata->u.ap.next_beacon);
875 sdata->u.ap.next_beacon = NULL;
876
7b20b8e8 877 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 878 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
879 netif_carrier_off(vlan->dev);
880 netif_carrier_off(dev);
881
7b20b8e8 882 /* remove beacon and probe response */
a9b3cd7f 883 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 884 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
885 kfree_rcu(old_beacon, rcu_head);
886 if (old_probe_resp)
887 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 888 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 889
e716251d 890 __sta_info_flush(sdata, true);
7907c7d3 891 ieee80211_free_keys(sdata, true);
75de9113 892
d6a83228 893 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 894 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 895 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 896 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 897
a6b368f6 898 if (sdata->wdev.cac_started) {
d2859df5 899 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 900 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 901 cfg80211_cac_event(sdata->dev, &chandef,
902 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 903 GFP_KERNEL);
904 }
905
1041638f
JB		 906 drv_stop_ap(sdata->local, sdata);
907
7b20b8e8
JB		 908 /* free all potentially still buffered bcast frames */
909 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
910 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
911
34a3740d 912 mutex_lock(&local->mtx);
4e141dad 913 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 914 ieee80211_vif_release_channel(sdata);
34a3740d 915 mutex_unlock(&local->mtx);
55de908a 916
2d0ddec5 917 return 0;
5dfdaf58
JB		 918}
919
4fd6931e
JB		 920/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
921struct iapp_layer2_update {
922 u8 da[ETH_ALEN]; /* broadcast */
923 u8 sa[ETH_ALEN]; /* STA addr */
924 __be16 len; /* 6 */
925 u8 dsap; /* 0 */
926 u8 ssap; /* 0 */
927 u8 control;
928 u8 xid_info[3];
bc10502d 929} __packed;
4fd6931e
JB		 930
931static void ieee80211_send_layer2_update(struct sta_info *sta)
932{
933 struct iapp_layer2_update *msg;
934 struct sk_buff *skb;
935
936 /* Send Level 2 Update Frame to update forwarding tables in layer 2
937 * bridge devices */
938
939 skb = dev_alloc_skb(sizeof(*msg));
940 if (!skb)
941 return;
942 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
943
944 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
945 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
946
e83e6541 947 eth_broadcast_addr(msg->da);
17741cdc 948 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 949 msg->len = htons(6);
950 msg->dsap = 0;
951 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
952 msg->control = 0xaf; /* XID response lsb.1111F101.
953 * F=0 (no poll command; unsolicited frame) */
954 msg->xid_info[0] = 0x81; /* XID format identifier */
955 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
956 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
957
d0709a65
JB		 958 skb->dev = sta->sdata->dev;
959 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 960 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 961 netif_rx_ni(skb);
4fd6931e
JB		 962}
963
d582cffb
JB		 964static int sta_apply_auth_flags(struct ieee80211_local *local,
965 struct sta_info *sta,
966 u32 mask, u32 set)
967{
968 int ret;
969
970 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
971 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
972 !test_sta_flag(sta, WLAN_STA_AUTH)) {
973 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
974 if (ret)
975 return ret;
976 }
977
978 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
979 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
980 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 981 /*
982 * When peer becomes associated, init rate control as
983 * well. Some drivers require rate control initialized
984 * before drv_sta_state() is called.
985 */
986 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
987 rate_control_rate_init(sta);
988
d582cffb
JB		 989 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
990 if (ret)
991 return ret;
992 }
993
994 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
995 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
996 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
997 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
998 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
999 else
1000 ret = 0;
1001 if (ret)
1002 return ret;
1003 }
1004
1005 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1006 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1007 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1008 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1009 if (ret)
1010 return ret;
1011 }
1012
1013 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1014 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1015 test_sta_flag(sta, WLAN_STA_AUTH)) {
1016 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1017 if (ret)
1018 return ret;
1019 }
1020
1021 return 0;
1022}
1023
d9a7ddb0
JB		 1024static int sta_apply_parameters(struct ieee80211_local *local,
1025 struct sta_info *sta,
1026 struct station_parameters *params)
4fd6931e 1027{
d9a7ddb0 1028 int ret = 0;
8318d78a 1029 struct ieee80211_supported_band *sband;
d0709a65 1030 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1031 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1032 u32 mask, set;
4fd6931e 1033
55de908a 1034 sband = local->hw.wiphy->bands[band];
ae5eb026 1035
eccb8e8f
JB		 1036 mask = params->sta_flags_mask;
1037 set = params->sta_flags_set;
73651ee6 1038
d582cffb
JB		 1039 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1040 /*
1041 * In mesh mode, ASSOCIATED isn't part of the nl80211
1042 * API but must follow AUTHENTICATED for driver state.
1043 */
1044 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1045 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1046 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1047 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1048 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1049 /*
1050 * TDLS -- everything follows authorized, but
1051 * only becoming authorized is possible, not
1052 * going back
1053 */
1054 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1055 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1056 BIT(NL80211_STA_FLAG_ASSOCIATED);
1057 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1058 BIT(NL80211_STA_FLAG_ASSOCIATED);
1059 }
eccb8e8f 1060 }
4fd6931e 1061
2c44be81
JB		 1062 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1063 local->hw.queues >= IEEE80211_NUM_ACS)
1064 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1065
68885a54
AN		 1066 /* auth flags will be set later for TDLS stations */
1067 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1068 ret = sta_apply_auth_flags(local, sta, mask, set);
1069 if (ret)
1070 return ret;
1071 }
d9a7ddb0 1072
eccb8e8f 1073 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1074 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1075 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1076 else
1077 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1078 }
4fd6931e 1079
eccb8e8f 1080 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
64a8cef4 1081 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1082 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1083 set_sta_flag(sta, WLAN_STA_MFP);
1084 else
1085 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1086 }
b39c48fa 1087
07ba55d7 1088 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1089 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1090 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1091 else
1092 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1093 }
4fd6931e 1094
9041c1fa
AN		 1095 /* mark TDLS channel switch support, if the AP allows it */
1096 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1097 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1098 params->ext_capab_len >= 4 &&
1099 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1100 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1101
3b9ce80c
JB		 1102 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1103 sta->sta.uapsd_queues = params->uapsd_queues;
1104 sta->sta.max_sp = params->max_sp;
1105 }
9533b4ac 1106
51b50fbe
JB		 1107 /*
1108 * cfg80211 validates this (1-2007) and allows setting the AID
1109 * only when creating a new station entry
1110 */
1111 if (params->aid)
1112 sta->sta.aid = params->aid;
1113
73651ee6 1114 /*
ba23d206
JB		 1115 * Some of the following updates would be racy if called on an
1116 * existing station, via ieee80211_change_station(). However,
1117 * all such changes are rejected by cfg80211 except for updates
1118 * changing the supported rates on an existing but not yet used
1119 * TDLS peer.
73651ee6
JB		 1120 */
1121
4fd6931e
JB		 1122 if (params->listen_interval >= 0)
1123 sta->listen_interval = params->listen_interval;
1124
1125 if (params->supported_rates) {
2103dec1
SW		 1126 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1127 sband, params->supported_rates,
1128 params->supported_rates_len,
1129 &sta->sta.supp_rates[band]);
4fd6931e 1130 }
c5dd9c2b 1131
d9fe60de 1132 if (params->ht_capa)
ef96a842 1133 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1134 params->ht_capa, sta);
36aedc90 1135
f461be3e
MP		 1136 if (params->vht_capa)
1137 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1138 params->vht_capa, sta);
f461be3e 1139
b1bce14a 1140 if (params->opmode_notif_used) {
b1bce14a
MK		 1141 /* returned value is only needed for rc update, but the
1142 * rc isn't initialized here yet, so ignore it
1143 */
1144 __ieee80211_vht_handle_opmode(sdata, sta,
1145 params->opmode_notif,
1146 band, false);
1147 }
1148
9c3990aa 1149 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1150#ifdef CONFIG_MAC80211_MESH
39886b61 1151 u32 changed = 0;
77ee7c89
JB		 1152
1153 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1154 switch (params->plink_state) {
57cf8043 1155 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1156 if (sta->plink_state != NL80211_PLINK_ESTAB)
1157 changed = mesh_plink_inc_estab_count(
1158 sdata);
1159 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1160
1161 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1162 changed |= ieee80211_mps_set_sta_local_pm(sta,
1163 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1164 break;
1165 case NL80211_PLINK_LISTEN:
57cf8043 1166 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1167 case NL80211_PLINK_OPN_SNT:
1168 case NL80211_PLINK_OPN_RCVD:
1169 case NL80211_PLINK_CNF_RCVD:
1170 case NL80211_PLINK_HOLDING:
1171 if (sta->plink_state == NL80211_PLINK_ESTAB)
1172 changed = mesh_plink_dec_estab_count(
1173 sdata);
9c3990aa 1174 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1175
1176 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1177 changed |= ieee80211_mps_set_sta_local_pm(sta,
1178 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1179 break;
1180 default:
1181 /* nothing */
1182 break;
1183 }
77ee7c89
JB		 1184 }
1185
1186 switch (params->plink_action) {
1187 case NL80211_PLINK_ACTION_NO_ACTION:
1188 /* nothing */
1189 break;
1190 case NL80211_PLINK_ACTION_OPEN:
1191 changed |= mesh_plink_open(sta);
1192 break;
1193 case NL80211_PLINK_ACTION_BLOCK:
1194 changed |= mesh_plink_block(sta);
1195 break;
1617bab8 1196 }
3f52b7e3
MP		 1197
1198 if (params->local_pm)
39886b61
TP		 1199 changed |=
1200 ieee80211_mps_set_sta_local_pm(sta,
1201 params->local_pm);
6c751ef8 1202 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1203#endif
902acc78 1204 }
d9a7ddb0 1205
68885a54
AN		 1206 /* set the STA state after all sta info from usermode has been set */
1207 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1208 ret = sta_apply_auth_flags(local, sta, mask, set);
1209 if (ret)
1210 return ret;
1211 }
1212
d9a7ddb0 1213 return 0;
4fd6931e
JB		 1214}
1215
1216static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1217 const u8 *mac,
1218 struct station_parameters *params)
4fd6931e 1219{
14db74bc 1220 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1221 struct sta_info *sta;
1222 struct ieee80211_sub_if_data *sdata;
73651ee6 1223 int err;
b8d476c8 1224 int layer2_update;
4fd6931e 1225
4fd6931e
JB		 1226 if (params->vlan) {
1227 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1228
05c914fe
JB		 1229 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1230 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1231 return -EINVAL;
1232 } else
1233 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234
b203ca39 1235 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1236 return -EINVAL;
1237
1238 if (is_multicast_ether_addr(mac))
1239 return -EINVAL;
1240
1241 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1242 if (!sta)
1243 return -ENOMEM;
4fd6931e 1244
d582cffb
JB		 1245 /*
1246 * defaults -- if userspace wants something else we'll
1247 * change it accordingly in sta_apply_parameters()
1248 */
77ee7c89
JB		 1249 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1250 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1251 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1252 } else {
1253 sta->sta.tdls = true;
77ee7c89 1254 }
4fd6931e 1255
d9a7ddb0
JB		 1256 err = sta_apply_parameters(local, sta, params);
1257 if (err) {
1258 sta_info_free(local, sta);
1259 return err;
1260 }
4fd6931e 1261
d64cf63e 1262 /*
77ee7c89
JB		 1263 * for TDLS, rate control should be initialized only when
1264 * rates are known and station is marked authorized
d64cf63e
AN		 1265 */
1266 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1267 rate_control_rate_init(sta);
4fd6931e 1268
b8d476c8
JM		 1269 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1270 sdata->vif.type == NL80211_IFTYPE_AP;
1271
34e89507 1272 err = sta_info_insert_rcu(sta);
73651ee6 1273 if (err) {
73651ee6
JB		 1274 rcu_read_unlock();
1275 return err;
1276 }
1277
b8d476c8 1278 if (layer2_update)
73651ee6
JB		 1279 ieee80211_send_layer2_update(sta);
1280
1281 rcu_read_unlock();
1282
4fd6931e
JB		 1283 return 0;
1284}
1285
1286static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1287 struct station_del_parameters *params)
4fd6931e 1288{
14db74bc 1289 struct ieee80211_sub_if_data *sdata;
4fd6931e 1290
14db74bc
JB		 1291 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1292
89c771e5
JM		 1293 if (params->mac)
1294 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1295
b998e8bb 1296 sta_info_flush(sdata);
4fd6931e
JB		 1297 return 0;
1298}
1299
1300static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1301 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1302 struct station_parameters *params)
1303{
abe60632 1304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1305 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1306 struct sta_info *sta;
1307 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1308 enum cfg80211_station_type statype;
35b88623 1309 int err;
4fd6931e 1310
87be1e1e 1311 mutex_lock(&local->sta_mtx);
98dd6a57 1312
0e5ded5a 1313 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1314 if (!sta) {
77ee7c89
JB		 1315 err = -ENOENT;
1316 goto out_err;
98dd6a57 1317 }
4fd6931e 1318
77ee7c89
JB		 1319 switch (sdata->vif.type) {
1320 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1321 if (sdata->u.mesh.user_mpm)
eef941e6 1322 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1323 else
eef941e6 1324 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1325 break;
1326 case NL80211_IFTYPE_ADHOC:
1327 statype = CFG80211_STA_IBSS;
1328 break;
1329 case NL80211_IFTYPE_STATION:
1330 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1331 statype = CFG80211_STA_AP_STA;
1332 break;
1333 }
1334 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1335 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1336 else
1337 statype = CFG80211_STA_TDLS_PEER_SETUP;
1338 break;
1339 case NL80211_IFTYPE_AP:
1340 case NL80211_IFTYPE_AP_VLAN:
1341 statype = CFG80211_STA_AP_CLIENT;
1342 break;
1343 default:
1344 err = -EOPNOTSUPP;
1345 goto out_err;
bdd90d5e
JB		 1346 }
1347
77ee7c89
JB		 1348 err = cfg80211_check_station_change(wiphy, params, statype);
1349 if (err)
1350 goto out_err;
1351
d0709a65 1352 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1353 bool prev_4addr = false;
1354 bool new_4addr = false;
1355
4fd6931e
JB		 1356 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1357
9bc383de 1358 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1359 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1360 err = -EBUSY;
1361 goto out_err;
3305443c 1362 }
f14543ee 1363
cf778b00 1364 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1365 new_4addr = true;
1366 }
1367
1368 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1369 sta->sdata->u.vlan.sta) {
0c2bef46 1370 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1371 prev_4addr = true;
f14543ee
FF		 1372 }
1373
14db74bc 1374 sta->sdata = vlansdata;
7e3ed02c
FF		 1375
1376 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1377 prev_4addr != new_4addr) {
1378 if (new_4addr)
1379 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1380 else
1381 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1382 }
1383
4fd6931e
JB		 1384 ieee80211_send_layer2_update(sta);
1385 }
1386
35b88623 1387 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1388 if (err)
1389 goto out_err;
4fd6931e 1390
87be1e1e 1391 mutex_unlock(&local->sta_mtx);
98dd6a57 1392
687da132
EG		 1393 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1394 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1395 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1396 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1397 sta_info_tx_streams(sta) != 1) {
1398 ht_dbg(sta->sdata,
1399 "%pM just authorized and MIMO capable - update SMPS\n",
1400 sta->sta.addr);
1401 ieee80211_send_smps_action(sta->sdata,
1402 sta->sdata->bss->req_smps,
1403 sta->sta.addr,
1404 sta->sdata->vif.bss_conf.bssid);
1405 }
1406
808118cb 1407 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1408 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1409 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1410 ieee80211_recalc_ps_vif(sdata);
1411 }
77ee7c89 1412
4fd6931e 1413 return 0;
77ee7c89
JB		 1414out_err:
1415 mutex_unlock(&local->sta_mtx);
1416 return err;
4fd6931e
JB		 1417}
1418
c5dd9c2b
LCC		 1419#ifdef CONFIG_MAC80211_MESH
1420static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1421 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1422{
14db74bc 1423 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1424 struct mesh_path *mpath;
1425 struct sta_info *sta;
c5dd9c2b 1426
14db74bc
JB		 1427 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1428
d0709a65 1429 rcu_read_lock();
abe60632 1430 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1431 if (!sta) {
1432 rcu_read_unlock();
c5dd9c2b 1433 return -ENOENT;
d0709a65 1434 }
c5dd9c2b 1435
ae76eef0
BC		 1436 mpath = mesh_path_add(sdata, dst);
1437 if (IS_ERR(mpath)) {
d0709a65 1438 rcu_read_unlock();
ae76eef0 1439 return PTR_ERR(mpath);
d0709a65 1440 }
c5dd9c2b 1441
c5dd9c2b 1442 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1443
c5dd9c2b
LCC		 1444 rcu_read_unlock();
1445 return 0;
1446}
1447
1448static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1449 const u8 *dst)
c5dd9c2b 1450{
f698d856
JBG		 1451 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1452
c5dd9c2b 1453 if (dst)
bf7cd94d 1454 return mesh_path_del(sdata, dst);
c5dd9c2b 1455
ece1a2e7 1456 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1457 return 0;
1458}
1459
3b3a0162
JB		 1460static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1461 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1462{
14db74bc 1463 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1464 struct mesh_path *mpath;
1465 struct sta_info *sta;
1466
14db74bc
JB		 1467 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1468
d0709a65
JB		 1469 rcu_read_lock();
1470
abe60632 1471 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1472 if (!sta) {
1473 rcu_read_unlock();
c5dd9c2b 1474 return -ENOENT;
d0709a65 1475 }
c5dd9c2b 1476
bf7cd94d 1477 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1478 if (!mpath) {
1479 rcu_read_unlock();
c5dd9c2b
LCC		 1480 return -ENOENT;
1481 }
1482
1483 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1484
c5dd9c2b
LCC		 1485 rcu_read_unlock();
1486 return 0;
1487}
1488
1489static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1490 struct mpath_info *pinfo)
1491{
a3836e02
JB		 1492 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1493
1494 if (next_hop_sta)
1495 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1496 else
c84a67a2 1497 eth_zero_addr(next_hop);
c5dd9c2b 1498
7ce8c7a3
LAYS		 1499 memset(pinfo, 0, sizeof(*pinfo));
1500
f5ea9120
JB		 1501 pinfo->generation = mesh_paths_generation;
1502
c5dd9c2b 1503 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1504 MPATH_INFO_SN |
c5dd9c2b
LCC		 1505 MPATH_INFO_METRIC |
1506 MPATH_INFO_EXPTIME |
1507 MPATH_INFO_DISCOVERY_TIMEOUT |
1508 MPATH_INFO_DISCOVERY_RETRIES |
1509 MPATH_INFO_FLAGS;
1510
1511 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1512 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1513 pinfo->metric = mpath->metric;
1514 if (time_before(jiffies, mpath->exp_time))
1515 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1516 pinfo->discovery_timeout =
1517 jiffies_to_msecs(mpath->discovery_timeout);
1518 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1519 if (mpath->flags & MESH_PATH_ACTIVE)
1520 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1521 if (mpath->flags & MESH_PATH_RESOLVING)
1522 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1523 if (mpath->flags & MESH_PATH_SN_VALID)
1524 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1525 if (mpath->flags & MESH_PATH_FIXED)
1526 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1527 if (mpath->flags & MESH_PATH_RESOLVED)
1528 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1529}
1530
1531static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1532 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1533
1534{
14db74bc 1535 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1536 struct mesh_path *mpath;
1537
14db74bc
JB		 1538 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1539
c5dd9c2b 1540 rcu_read_lock();
bf7cd94d 1541 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1542 if (!mpath) {
1543 rcu_read_unlock();
1544 return -ENOENT;
1545 }
1546 memcpy(dst, mpath->dst, ETH_ALEN);
1547 mpath_set_pinfo(mpath, next_hop, pinfo);
1548 rcu_read_unlock();
1549 return 0;
1550}
1551
1552static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1553 int idx, u8 *dst, u8 *next_hop,
1554 struct mpath_info *pinfo)
c5dd9c2b 1555{
14db74bc 1556 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1557 struct mesh_path *mpath;
1558
14db74bc
JB		 1559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1560
c5dd9c2b 1561 rcu_read_lock();
bf7cd94d 1562 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1563 if (!mpath) {
1564 rcu_read_unlock();
1565 return -ENOENT;
1566 }
1567 memcpy(dst, mpath->dst, ETH_ALEN);
1568 mpath_set_pinfo(mpath, next_hop, pinfo);
1569 rcu_read_unlock();
1570 return 0;
1571}
93da9cc1 1572
a2db2ed3
HR		 1573static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1574 struct mpath_info *pinfo)
1575{
1576 memset(pinfo, 0, sizeof(*pinfo));
1577 memcpy(mpp, mpath->mpp, ETH_ALEN);
1578
1579 pinfo->generation = mpp_paths_generation;
1580}
1581
1582static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1583 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1584
1585{
1586 struct ieee80211_sub_if_data *sdata;
1587 struct mesh_path *mpath;
1588
1589 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1590
1591 rcu_read_lock();
1592 mpath = mpp_path_lookup(sdata, dst);
1593 if (!mpath) {
1594 rcu_read_unlock();
1595 return -ENOENT;
1596 }
1597 memcpy(dst, mpath->dst, ETH_ALEN);
1598 mpp_set_pinfo(mpath, mpp, pinfo);
1599 rcu_read_unlock();
1600 return 0;
1601}
1602
1603static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1604 int idx, u8 *dst, u8 *mpp,
1605 struct mpath_info *pinfo)
1606{
1607 struct ieee80211_sub_if_data *sdata;
1608 struct mesh_path *mpath;
1609
1610 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1611
1612 rcu_read_lock();
1613 mpath = mpp_path_lookup_by_idx(sdata, idx);
1614 if (!mpath) {
1615 rcu_read_unlock();
1616 return -ENOENT;
1617 }
1618 memcpy(dst, mpath->dst, ETH_ALEN);
1619 mpp_set_pinfo(mpath, mpp, pinfo);
1620 rcu_read_unlock();
1621 return 0;
1622}
1623
24bdd9f4 1624static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1625 struct net_device *dev,
1626 struct mesh_config *conf)
1627{
1628 struct ieee80211_sub_if_data *sdata;
1629 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1630
93da9cc1 1631 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1632 return 0;
1633}
1634
1635static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1636{
1637 return (mask >> (parm-1)) & 0x1;
1638}
1639
c80d545d
JC		 1640static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1641 const struct mesh_setup *setup)
1642{
1643 u8 *new_ie;
1644 const u8 *old_ie;
4bb62344
CYY		 1645 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1646 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1647
581a8b0f 1648 /* allocate information elements */
c80d545d 1649 new_ie = NULL;
581a8b0f 1650 old_ie = ifmsh->ie;
c80d545d 1651
581a8b0f
JC		 1652 if (setup->ie_len) {
1653 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1654 GFP_KERNEL);
1655 if (!new_ie)
1656 return -ENOMEM;
1657 }
581a8b0f
JC		 1658 ifmsh->ie_len = setup->ie_len;
1659 ifmsh->ie = new_ie;
1660 kfree(old_ie);
c80d545d
JC		 1661
1662 /* now copy the rest of the setup parameters */
1663 ifmsh->mesh_id_len = setup->mesh_id_len;
1664 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1665 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1666 ifmsh->mesh_pp_id = setup->path_sel_proto;
1667 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1668 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1669 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1670 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1671 if (setup->is_authenticated)
1672 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1673 if (setup->is_secure)
1674 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1675
4bb62344
CYY		 1676 /* mcast rate setting in Mesh Node */
1677 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1678 sizeof(setup->mcast_rate));
ffb3cf30 1679 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1680
9bdbf04d
MP		 1681 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1682 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1683
c80d545d
JC		 1684 return 0;
1685}
1686
24bdd9f4 1687static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1688 struct net_device *dev, u32 mask,
1689 const struct mesh_config *nconf)
93da9cc1 1690{
1691 struct mesh_config *conf;
1692 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1693 struct ieee80211_if_mesh *ifmsh;
1694
93da9cc1 1695 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1696 ifmsh = &sdata->u.mesh;
93da9cc1 1697
93da9cc1 1698 /* Set the config options which we are interested in setting */
1699 conf = &(sdata->u.mesh.mshcfg);
1700 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1701 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1702 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1703 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1704 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1705 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1706 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1707 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1709 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1710 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1711 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1712 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1713 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1714 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1715 if (ifmsh->user_mpm)
1716 return -EBUSY;
93da9cc1 1717 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1718 }
d299a1f2
JC		 1719 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1720 conf->dot11MeshNbrOffsetMaxNeighbor =
1721 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1722 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1723 conf->dot11MeshHWMPmaxPREQretries =
1724 nconf->dot11MeshHWMPmaxPREQretries;
1725 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1726 conf->path_refresh_time = nconf->path_refresh_time;
1727 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1728 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1730 conf->dot11MeshHWMPactivePathTimeout =
1731 nconf->dot11MeshHWMPactivePathTimeout;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1733 conf->dot11MeshHWMPpreqMinInterval =
1734 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1735 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1736 conf->dot11MeshHWMPperrMinInterval =
1737 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1738 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1739 mask))
1740 conf->dot11MeshHWMPnetDiameterTraversalTime =
1741 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1743 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1744 ieee80211_mesh_root_setup(ifmsh);
1745 }
16dd7267 1746 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1747 /* our current gate announcement implementation rides on root
1748 * announcements, so require this ifmsh to also be a root node
1749 * */
1750 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1751 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1752 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1753 ieee80211_mesh_root_setup(ifmsh);
1754 }
16dd7267
JC		 1755 conf->dot11MeshGateAnnouncementProtocol =
1756 nconf->dot11MeshGateAnnouncementProtocol;
1757 }
a4f606ea 1758 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1759 conf->dot11MeshHWMPRannInterval =
1760 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1761 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1762 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1763 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1764 /* our RSSI threshold implementation is supported only for
1765 * devices that report signal in dBm.
1766 */
1767 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1768 return -ENOTSUPP;
1769 conf->rssi_threshold = nconf->rssi_threshold;
1770 }
70c33eaa
AN		 1771 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1772 conf->ht_opmode = nconf->ht_opmode;
1773 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1774 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1775 }
ac1073a6
CYY		 1776 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1777 conf->dot11MeshHWMPactivePathToRootTimeout =
1778 nconf->dot11MeshHWMPactivePathToRootTimeout;
1779 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1780 conf->dot11MeshHWMProotInterval =
1781 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1782 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1783 conf->dot11MeshHWMPconfirmationInterval =
1784 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1785 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1786 conf->power_mode = nconf->power_mode;
1787 ieee80211_mps_local_status_update(sdata);
1788 }
2b5e1967 1789 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1790 conf->dot11MeshAwakeWindowDuration =
1791 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1792 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1793 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1794 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1795 return 0;
1796}
1797
29cbe68c
JB		 1798static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1799 const struct mesh_config *conf,
1800 const struct mesh_setup *setup)
1801{
1802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1803 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1804 int err;
29cbe68c 1805
c80d545d
JC		 1806 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1807 err = copy_mesh_setup(ifmsh, setup);
1808 if (err)
1809 return err;
cc1d2806 1810
04ecd257
JB		 1811 /* can mesh use other SMPS modes? */
1812 sdata->smps_mode = IEEE80211_SMPS_OFF;
1813 sdata->needed_rx_chains = sdata->local->rx_chains;
1814
34a3740d 1815 mutex_lock(&sdata->local->mtx);
4bf88530 1816 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1817 IEEE80211_CHANCTX_SHARED);
34a3740d 1818 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1819 if (err)
1820 return err;
1821
2b5e1967 1822 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1823}
1824
1825static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1826{
1827 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1828
1829 ieee80211_stop_mesh(sdata);
34a3740d 1830 mutex_lock(&sdata->local->mtx);
55de908a 1831 ieee80211_vif_release_channel(sdata);
34a3740d 1832 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1833
1834 return 0;
1835}
c5dd9c2b
LCC		 1836#endif
1837
9f1ba906
JM		 1838static int ieee80211_change_bss(struct wiphy *wiphy,
1839 struct net_device *dev,
1840 struct bss_parameters *params)
1841{
55de908a
JB		 1842 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1843 enum ieee80211_band band;
9f1ba906
JM		 1844 u32 changed = 0;
1845
7ca133bc 1846 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1847 return -ENOENT;
1848
1849 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1850
9f1ba906 1851 if (params->use_cts_prot >= 0) {
bda3933a 1852 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1853 changed |= BSS_CHANGED_ERP_CTS_PROT;
1854 }
1855 if (params->use_short_preamble >= 0) {
bda3933a 1856 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1857 params->use_short_preamble;
1858 changed |= BSS_CHANGED_ERP_PREAMBLE;
1859 }
43d35343
FF		 1860
1861 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1862 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1863 sdata->vif.bss_conf.use_short_slot = true;
1864 changed |= BSS_CHANGED_ERP_SLOT;
1865 }
1866
9f1ba906 1867 if (params->use_short_slot_time >= 0) {
bda3933a 1868 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1869 params->use_short_slot_time;
1870 changed |= BSS_CHANGED_ERP_SLOT;
1871 }
1872
90c97a04 1873 if (params->basic_rates) {
2103dec1
SW		 1874 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1875 wiphy->bands[band],
1876 params->basic_rates,
1877 params->basic_rates_len,
1878 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1879 changed |= BSS_CHANGED_BASIC_RATES;
1880 }
1881
7b7b5e56
FF		 1882 if (params->ap_isolate >= 0) {
1883 if (params->ap_isolate)
1884 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1885 else
1886 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1887 }
1888
80d7e403
HS		 1889 if (params->ht_opmode >= 0) {
1890 sdata->vif.bss_conf.ht_operation_mode =
1891 (u16) params->ht_opmode;
1892 changed |= BSS_CHANGED_HT;
1893 }
1894
339afbf4 1895 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1896 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1897 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1898 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1899 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1900 changed |= BSS_CHANGED_P2P_PS;
1901 }
1902
67baf663
JD		 1903 if (params->p2p_opp_ps > 0) {
1904 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1905 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1906 changed |= BSS_CHANGED_P2P_PS;
1907 } else if (params->p2p_opp_ps == 0) {
1908 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1909 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1910 changed |= BSS_CHANGED_P2P_PS;
1911 }
1912
9f1ba906
JM		 1913 ieee80211_bss_info_change_notify(sdata, changed);
1914
1915 return 0;
1916}
1917
31888487 1918static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1919 struct net_device *dev,
31888487
JM		 1920 struct ieee80211_txq_params *params)
1921{
1922 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1923 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1924 struct ieee80211_tx_queue_params p;
1925
1926 if (!local->ops->conf_tx)
1927 return -EOPNOTSUPP;
1928
54bcbc69
JB		 1929 if (local->hw.queues < IEEE80211_NUM_ACS)
1930 return -EOPNOTSUPP;
1931
31888487
JM		 1932 memset(&p, 0, sizeof(p));
1933 p.aifs = params->aifs;
1934 p.cw_max = params->cwmax;
1935 p.cw_min = params->cwmin;
1936 p.txop = params->txop;
ab13315a
KV		 1937
1938 /*
1939 * Setting tx queue params disables u-apsd because it's only
1940 * called in master mode.
1941 */
1942 p.uapsd = false;
1943
a3304b0a
JB		 1944 sdata->tx_conf[params->ac] = p;
1945 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1946 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1947 "failed to set TX queue parameters for AC %d\n",
1948 params->ac);
31888487
JM		 1949 return -EINVAL;
1950 }
1951
7d25745d
JB		 1952 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1953
31888487
JM		 1954 return 0;
1955}
1956
665af4fc 1957#ifdef CONFIG_PM
ff1b6e69
JB		 1958static int ieee80211_suspend(struct wiphy *wiphy,
1959 struct cfg80211_wowlan *wowlan)
665af4fc 1960{
eecc4800 1961 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1962}
1963
1964static int ieee80211_resume(struct wiphy *wiphy)
1965{
1966 return __ieee80211_resume(wiphy_priv(wiphy));
1967}
1968#else
1969#define ieee80211_suspend NULL
1970#define ieee80211_resume NULL
1971#endif
1972
2a519311 1973static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1974 struct cfg80211_scan_request *req)
1975{
fd014284
JB		 1976 struct ieee80211_sub_if_data *sdata;
1977
1978 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1979
2ca27bcf
JB		 1980 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1981 case NL80211_IFTYPE_STATION:
1982 case NL80211_IFTYPE_ADHOC:
1983 case NL80211_IFTYPE_MESH_POINT:
1984 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1985 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1986 break;
1987 case NL80211_IFTYPE_P2P_GO:
1988 if (sdata->local->ops->hw_scan)
1989 break;
e9d7732e
JB		 1990 /*
1991 * FIXME: implement NoA while scanning in software,
1992 * for now fall through to allow scanning only when
1993 * beaconing hasn't been configured yet
1994 */
2ca27bcf 1995 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1996 /*
1997 * If the scan has been forced (and the driver supports
1998 * forcing), don't care about being beaconing already.
1999 * This will create problems to the attached stations (e.g. all
2000 * the frames sent while scanning on other channel will be
2001 * lost)
2002 */
2003 if (sdata->u.ap.beacon &&
2004 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2005 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2006 return -EOPNOTSUPP;
2007 break;
2008 default:
2009 return -EOPNOTSUPP;
2010 }
2a519311
JB		 2011
2012 return ieee80211_request_scan(sdata, req);
2013}
2014
79f460ca
LC		 2015static int
2016ieee80211_sched_scan_start(struct wiphy *wiphy,
2017 struct net_device *dev,
2018 struct cfg80211_sched_scan_request *req)
2019{
2020 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2021
2022 if (!sdata->local->ops->sched_scan_start)
2023 return -EOPNOTSUPP;
2024
2025 return ieee80211_request_sched_scan_start(sdata, req);
2026}
2027
2028static int
85a9994a 2029ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2030{
2031 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2032
2033 if (!sdata->local->ops->sched_scan_stop)
2034 return -EOPNOTSUPP;
2035
85a9994a 2036 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2037}
2038
636a5d36
JM		 2039static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2040 struct cfg80211_auth_request *req)
2041{
77fdaa12 2042 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2043}
2044
2045static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2046 struct cfg80211_assoc_request *req)
2047{
77fdaa12 2048 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2049}
2050
2051static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2052 struct cfg80211_deauth_request *req)
636a5d36 2053{
63c9c5e7 2054 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2055}
2056
2057static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2058 struct cfg80211_disassoc_request *req)
636a5d36 2059{
63c9c5e7 2060 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2061}
2062
af8cdcd8
JB		 2063static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2064 struct cfg80211_ibss_params *params)
2065{
55de908a 2066 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2067}
2068
2069static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2070{
55de908a 2071 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2072}
2073
239281f8
RL		 2074static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2075 struct ocb_setup *setup)
2076{
2077 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2078}
2079
2080static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2081{
2082 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
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
a4bcaf55
LB		 2108 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2109 (changed & WIPHY_PARAM_DYN_ACK)) {
2110 s16 coverage_class;
2111
2112 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2113 wiphy->coverage_class : -1;
2114 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2115
2116 if (err)
2117 return err;
2118 }
2119
b9a5f8ca 2120 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2121 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2122
24487981
JB		 2123 if (err)
2124 return err;
b9a5f8ca
JM		 2125 }
2126
8bc83c24
JB		 2127 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2128 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2129 return -EINVAL;
b9a5f8ca 2130 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2131 }
2132 if (changed & WIPHY_PARAM_RETRY_LONG) {
2133 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2134 return -EINVAL;
b9a5f8ca 2135 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2136 }
b9a5f8ca
JM		 2137 if (changed &
2138 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2139 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2140
2141 return 0;
2142}
2143
7643a2c3 2144static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2145 struct wireless_dev *wdev,
fa61cf70 2146 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2147{
2148 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2149 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2150 enum nl80211_tx_power_setting txp_type = type;
2151 bool update_txp_type = false;
7643a2c3 2152
1ea6f9c0
JB		 2153 if (wdev) {
2154 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2155
2156 switch (type) {
2157 case NL80211_TX_POWER_AUTOMATIC:
2158 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2159 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2160 break;
2161 case NL80211_TX_POWER_LIMITED:
2162 case NL80211_TX_POWER_FIXED:
2163 if (mbm < 0 || (mbm % 100))
2164 return -EOPNOTSUPP;
2165 sdata->user_power_level = MBM_TO_DBM(mbm);
2166 break;
2167 }
2168
db82d8a9
LB		 2169 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2170 update_txp_type = true;
2171 sdata->vif.bss_conf.txpower_type = txp_type;
2172 }
2173
2174 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2175
2176 return 0;
2177 }
55de908a 2178
7643a2c3 2179 switch (type) {
fa61cf70 2180 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2181 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2182 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2183 break;
fa61cf70 2184 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2185 case NL80211_TX_POWER_FIXED:
2186 if (mbm < 0 || (mbm % 100))
2187 return -EOPNOTSUPP;
fa61cf70 2188 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2189 break;
7643a2c3
JB		 2190 }
2191
1ea6f9c0 2192 mutex_lock(&local->iflist_mtx);
db82d8a9 2193 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2194 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2195 if (txp_type != sdata->vif.bss_conf.txpower_type)
2196 update_txp_type = true;
2197 sdata->vif.bss_conf.txpower_type = txp_type;
2198 }
1ea6f9c0 2199 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2200 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2201 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2202
2203 return 0;
2204}
2205
c8442118
JB		 2206static int ieee80211_get_tx_power(struct wiphy *wiphy,
2207 struct wireless_dev *wdev,
2208 int *dbm)
7643a2c3
JB		 2209{
2210 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2211 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2212
5b3dc42b
FF		 2213 if (local->ops->get_txpower)
2214 return drv_get_txpower(local, sdata, dbm);
2215
1ea6f9c0
JB		 2216 if (!local->use_chanctx)
2217 *dbm = local->hw.conf.power_level;
2218 else
2219 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2220
7643a2c3
JB		 2221 return 0;
2222}
2223
ab737a4f 2224static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2225 const u8 *addr)
ab737a4f
JB		 2226{
2227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2228
2229 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2230
2231 return 0;
2232}
2233
1f87f7d3
JB		 2234static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2235{
2236 struct ieee80211_local *local = wiphy_priv(wiphy);
2237
2238 drv_rfkill_poll(local);
2239}
2240
aff89a9b 2241#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2242static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2243 struct wireless_dev *wdev,
2244 void *data, int len)
aff89a9b
JB		 2245{
2246 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2247 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2248
2249 if (!local->ops->testmode_cmd)
2250 return -EOPNOTSUPP;
2251
52981cd7
DS		 2252 if (wdev) {
2253 struct ieee80211_sub_if_data *sdata;
2254
2255 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2256 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2257 vif = &sdata->vif;
2258 }
2259
2260 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2261}
71063f0e
WYG		 2262
2263static int ieee80211_testmode_dump(struct wiphy *wiphy,
2264 struct sk_buff *skb,
2265 struct netlink_callback *cb,
2266 void *data, int len)
2267{
2268 struct ieee80211_local *local = wiphy_priv(wiphy);
2269
2270 if (!local->ops->testmode_dump)
2271 return -EOPNOTSUPP;
2272
2273 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2274}
aff89a9b
JB		 2275#endif
2276
687da132
EG		 2277int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2278 enum ieee80211_smps_mode smps_mode)
2279{
2280 struct sta_info *sta;
2281 enum ieee80211_smps_mode old_req;
687da132
EG		 2282
2283 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2284 return -EINVAL;
2285
2286 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2287 return 0;
2288
2289 old_req = sdata->u.ap.req_smps;
2290 sdata->u.ap.req_smps = smps_mode;
2291
2292 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2293 if (old_req == smps_mode ||
2294 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2295 return 0;
2296
2297 /* If no associated stations, there's no need to do anything */
2298 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2299 sdata->smps_mode = smps_mode;
2300 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2301 return 0;
2302 }
2303
2304 ht_dbg(sdata,
6a8b4adb 2305 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2306 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2307
2308 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2309 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2310 /*
2311 * Only stations associated to our AP and
2312 * associated VLANs
2313 */
2314 if (sta->sdata->bss != &sdata->u.ap)
2315 continue;
687da132 2316
7d9bb2f0
JB		 2317 /* This station doesn't support MIMO - skip it */
2318 if (sta_info_tx_streams(sta) == 1)
2319 continue;
687da132 2320
7d9bb2f0
JB		 2321 /*
2322 * Don't wake up a STA just to send the action frame
2323 * unless we are getting more restrictive.
2324 */
2325 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2326 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2327 smps_mode)) {
2328 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2329 sta->sta.addr);
2330 continue;
2331 }
687da132 2332
7d9bb2f0
JB		 2333 /*
2334 * If the STA is not authorized, wait until it gets
2335 * authorized and the action frame will be sent then.
2336 */
2337 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2338 continue;
687da132 2339
7d9bb2f0
JB		 2340 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2341 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2342 sdata->vif.bss_conf.bssid);
687da132
EG		 2343 }
2344 mutex_unlock(&sdata->local->sta_mtx);
2345
2346 sdata->smps_mode = smps_mode;
2347 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2348
2349 return 0;
2350}
2351
2352int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2353 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2354{
2355 const u8 *ap;
2356 enum ieee80211_smps_mode old_req;
2357 int err;
2358
8d61ffa5 2359 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2360
687da132
EG		 2361 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2362 return -EINVAL;
2363
0f78231b
JB		 2364 old_req = sdata->u.mgd.req_smps;
2365 sdata->u.mgd.req_smps = smps_mode;
2366
2367 if (old_req == smps_mode &&
2368 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2369 return 0;
2370
2371 /*
2372 * If not associated, or current association is not an HT
04ecd257
JB		 2373 * association, there's no need to do anything, just store
2374 * the new value until we associate.
0f78231b
JB		 2375 */
2376 if (!sdata->u.mgd.associated ||
4bf88530 2377 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2378 return 0;
0f78231b 2379
0c1ad2ca 2380 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2381
2382 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2383 if (sdata->u.mgd.powersave)
2384 smps_mode = IEEE80211_SMPS_DYNAMIC;
2385 else
2386 smps_mode = IEEE80211_SMPS_OFF;
2387 }
2388
2389 /* send SM PS frame to AP */
2390 err = ieee80211_send_smps_action(sdata, smps_mode,
2391 ap, ap);
2392 if (err)
2393 sdata->u.mgd.req_smps = old_req;
2394
2395 return err;
2396}
2397
bc92afd9
JB		 2398static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2399 bool enabled, int timeout)
2400{
2401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2403
2d3db210 2404 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2405 return -EOPNOTSUPP;
2406
bc92afd9
JB		 2407 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2408 return -EOPNOTSUPP;
2409
2410 if (enabled == sdata->u.mgd.powersave &&
ff616381 2411 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2412 return 0;
2413
2414 sdata->u.mgd.powersave = enabled;
ff616381 2415 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2416
0f78231b 2417 /* no change, but if automatic follow powersave */
ed405be5 2418 sdata_lock(sdata);
687da132 2419 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2420 sdata_unlock(sdata);
0f78231b 2421
bc92afd9
JB		 2422 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2423 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2424
2425 ieee80211_recalc_ps(local, -1);
ab095877 2426 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2427
2428 return 0;
2429}
2430
a97c13c3
JO		 2431static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2432 struct net_device *dev,
2433 s32 rssi_thold, u32 rssi_hyst)
2434{
2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2436 struct ieee80211_vif *vif = &sdata->vif;
2437 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2438
a97c13c3
JO		 2439 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2440 rssi_hyst == bss_conf->cqm_rssi_hyst)
2441 return 0;
2442
2443 bss_conf->cqm_rssi_thold = rssi_thold;
2444 bss_conf->cqm_rssi_hyst = rssi_hyst;
2445
2446 /* tell the driver upon association, unless already associated */
ea086359
JB		 2447 if (sdata->u.mgd.associated &&
2448 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2449 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2450
2451 return 0;
2452}
2453
9930380f
JB		 2454static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2455 struct net_device *dev,
2456 const u8 *addr,
2457 const struct cfg80211_bitrate_mask *mask)
2458{
2459 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2460 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2461 int i, ret;
2c7e6bc9 2462
554a43d5
EP		 2463 if (!ieee80211_sdata_running(sdata))
2464 return -ENETDOWN;
2465
bdbfd6b5
SM		 2466 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2467 ret = drv_set_bitrate_mask(local, sdata, mask);
2468 if (ret)
2469 return ret;
2470 }
9930380f 2471
19468413 2472 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2473 struct ieee80211_supported_band *sband = wiphy->bands[i];
2474 int j;
2475
37eb0b16 2476 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2477 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2478 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2479
2480 sdata->rc_has_mcs_mask[i] = false;
2481 if (!sband)
2482 continue;
2483
2484 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2485 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2486 sdata->rc_has_mcs_mask[i] = true;
2487 break;
2488 }
19468413 2489 }
9930380f 2490
37eb0b16 2491 return 0;
9930380f
JB		 2492}
2493
eaa336b0
EP		 2494static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2495 struct ieee80211_roc_work *new_roc,
2496 struct ieee80211_roc_work *cur_roc)
2497{
2498 unsigned long j = jiffies;
2499 unsigned long cur_roc_end = cur_roc->hw_start_time +
2500 msecs_to_jiffies(cur_roc->duration);
2501 struct ieee80211_roc_work *next_roc;
2502 int new_dur;
2503
2504 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2505 return false;
2506
2507 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2508 return false;
2509
2510 ieee80211_handle_roc_started(new_roc);
2511
2512 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2513
2514 /* cur_roc is long enough - add new_roc to the dependents list. */
2515 if (new_dur <= 0) {
2516 list_add_tail(&new_roc->list, &cur_roc->dependents);
2517 return true;
2518 }
2519
2520 new_roc->duration = new_dur;
2521
2522 /*
2523 * if cur_roc was already coalesced before, we might
2524 * want to extend the next roc instead of adding
2525 * a new one.
2526 */
2527 next_roc = list_entry(cur_roc->list.next,
2528 struct ieee80211_roc_work, list);
2529 if (&next_roc->list != &local->roc_list &&
2530 next_roc->chan == new_roc->chan &&
2531 next_roc->sdata == new_roc->sdata &&
2532 !WARN_ON(next_roc->started)) {
2533 list_add_tail(&new_roc->list, &next_roc->dependents);
2534 next_roc->duration = max(next_roc->duration,
2535 new_roc->duration);
2536 next_roc->type = max(next_roc->type, new_roc->type);
2537 return true;
2538 }
2539
2540 /* add right after cur_roc */
2541 list_add(&new_roc->list, &cur_roc->list);
2542
2543 return true;
2544}
2545
2eb278e0
JB		 2546static int ieee80211_start_roc_work(struct ieee80211_local *local,
2547 struct ieee80211_sub_if_data *sdata,
2548 struct ieee80211_channel *channel,
2eb278e0 2549 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2550 struct sk_buff *txskb,
2551 enum ieee80211_roc_type type)
2eb278e0
JB		 2552{
2553 struct ieee80211_roc_work *roc, *tmp;
2554 bool queued = false;
21f83589 2555 int ret;
21f83589
JB		 2556
2557 lockdep_assert_held(&local->mtx);
2558
fe57d9f5
JB		 2559 if (local->use_chanctx && !local->ops->remain_on_channel)
2560 return -EOPNOTSUPP;
2561
2eb278e0
JB		 2562 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2563 if (!roc)
2564 return -ENOMEM;
2565
2fae062e
IP		 2566 /*
2567 * If the duration is zero, then the driver
2568 * wouldn't actually do anything. Set it to
2569 * 10 for now.
2570 *
2571 * TODO: cancel the off-channel operation
2572 * when we get the SKB's TX status and
2573 * the wait time was zero before.
2574 */
2575 if (!duration)
2576 duration = 10;
2577
2eb278e0 2578 roc->chan = channel;
2eb278e0
JB		 2579 roc->duration = duration;
2580 roc->req_duration = duration;
2581 roc->frame = txskb;
d339d5ca 2582 roc->type = type;
2eb278e0
JB		 2583 roc->mgmt_tx_cookie = (unsigned long)txskb;
2584 roc->sdata = sdata;
2585 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2586 INIT_LIST_HEAD(&roc->dependents);
2587
2f617435
EP		 2588 /*
2589 * cookie is either the roc cookie (for normal roc)
2590 * or the SKB (for mgmt TX)
2591 */
2592 if (!txskb) {
2593 /* local->mtx protects this */
2594 local->roc_cookie_counter++;
2595 roc->cookie = local->roc_cookie_counter;
2596 /* wow, you wrapped 64 bits ... more likely a bug */
2597 if (WARN_ON(roc->cookie == 0)) {
2598 roc->cookie = 1;
2599 local->roc_cookie_counter++;
2600 }
2601 *cookie = roc->cookie;
2602 } else {
2603 *cookie = (unsigned long)txskb;
2604 }
2605
2eb278e0 2606 /* if there's one pending or we're scanning, queue this one */
164eb02d 2607 if (!list_empty(&local->roc_list) ||
5cbc95a7 2608 local->scanning || ieee80211_is_radar_required(local))
2eb278e0
JB		 2609 goto out_check_combine;
2610
2611 /* if not HW assist, just queue & schedule work */
2612 if (!local->ops->remain_on_channel) {
2613 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2614 goto out_queue;
2615 }
2616
2617 /* otherwise actually kick it off here (for error handling) */
2618
d339d5ca 2619 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2620 if (ret) {
2eb278e0
JB		 2621 kfree(roc);
2622 return ret;
21f83589
JB		 2623 }
2624
2eb278e0
JB		 2625 roc->started = true;
2626 goto out_queue;
2627
2628 out_check_combine:
2629 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2630 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2631 continue;
2632
2633 /*
2634 * Extend this ROC if possible:
2635 *
2636 * If it hasn't started yet, just increase the duration
2637 * and add the new one to the list of dependents.
d339d5ca
IP		 2638 * If the type of the new ROC has higher priority, modify the
2639 * type of the previous one to match that of the new one.
2eb278e0
JB		 2640 */
2641 if (!tmp->started) {
2642 list_add_tail(&roc->list, &tmp->dependents);
2643 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2644 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2645 queued = true;
2646 break;
2647 }
2648
2649 /* If it has already started, it's more difficult ... */
2650 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2651 /*
2652 * In the offloaded ROC case, if it hasn't begun, add
2653 * this new one to the dependent list to be handled
d339d5ca 2654 * when the master one begins. If it has begun,
2eb278e0
JB		 2655 * check that there's still a minimum time left and
2656 * if so, start this one, transmitting the frame, but
d339d5ca 2657 * add it to the list directly after this one with
2eb278e0
JB		 2658 * a reduced time so we'll ask the driver to execute
2659 * it right after finishing the previous one, in the
2660 * hope that it'll also be executed right afterwards,
2661 * effectively extending the old one.
2662 * If there's no minimum time left, just add it to the
2663 * normal list.
d339d5ca
IP		 2664 * TODO: the ROC type is ignored here, assuming that it
2665 * is better to immediately use the current ROC.
2eb278e0
JB		 2666 */
2667 if (!tmp->hw_begun) {
2668 list_add_tail(&roc->list, &tmp->dependents);
2669 queued = true;
2670 break;
2671 }
2672
eaa336b0 2673 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2674 queued = true;
2eb278e0
JB		 2675 } else if (del_timer_sync(&tmp->work.timer)) {
2676 unsigned long new_end;
2677
2678 /*
2679 * In the software ROC case, cancel the timer, if
2680 * that fails then the finish work is already
2681 * queued/pending and thus we queue the new ROC
2682 * normally, if that succeeds then we can extend
2683 * the timer duration and TX the frame (if any.)
2684 */
2685
2686 list_add_tail(&roc->list, &tmp->dependents);
2687 queued = true;
2688
2689 new_end = jiffies + msecs_to_jiffies(roc->duration);
2690
2691 /* ok, it was started & we canceled timer */
2692 if (time_after(new_end, tmp->work.timer.expires))
2693 mod_timer(&tmp->work.timer, new_end);
2694 else
2695 add_timer(&tmp->work.timer);
2696
2697 ieee80211_handle_roc_started(roc);
2698 }
2699 break;
2700 }
2701
2702 out_queue:
2703 if (!queued)
2704 list_add_tail(&roc->list, &local->roc_list);
2705
2eb278e0 2706 return 0;
21f83589
JB		 2707}
2708
b8bc4b0a 2709static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2710 struct wireless_dev *wdev,
b8bc4b0a 2711 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2712 unsigned int duration,
2713 u64 *cookie)
2714{
71bbc994 2715 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2716 struct ieee80211_local *local = sdata->local;
2eb278e0 2717 int ret;
21f83589 2718
2eb278e0 2719 mutex_lock(&local->mtx);
42d97a59 2720 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2721 duration, cookie, NULL,
2722 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2723 mutex_unlock(&local->mtx);
b8bc4b0a 2724
2eb278e0 2725 return ret;
b8bc4b0a
JB		 2726}
2727
2eb278e0
JB		 2728static int ieee80211_cancel_roc(struct ieee80211_local *local,
2729 u64 cookie, bool mgmt_tx)
21f83589 2730{
2eb278e0 2731 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2732 int ret;
2733
2eb278e0
JB		 2734 mutex_lock(&local->mtx);
2735 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2736 struct ieee80211_roc_work *dep, *tmp2;
2737
2738 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2739 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2740 continue;
2741 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2742 continue;
2743 /* found dependent item -- just remove it */
2744 list_del(&dep->list);
2745 mutex_unlock(&local->mtx);
2746
3fbd45ca 2747 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2748 return 0;
2749 }
2750
50febf6a 2751 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2752 continue;
2753 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2754 continue;
21f83589 2755
2eb278e0
JB		 2756 found = roc;
2757 break;
2758 }
21f83589 2759
2eb278e0
JB		 2760 if (!found) {
2761 mutex_unlock(&local->mtx);
2762 return -ENOENT;
2763 }
21f83589 2764
e979e33c
JB		 2765 /*
2766 * We found the item to cancel, so do that. Note that it
2767 * may have dependents, which we also cancel (and send
2768 * the expired signal for.) Not doing so would be quite
2769 * tricky here, but we may need to fix it later.
2770 */
2771
2eb278e0
JB		 2772 if (local->ops->remain_on_channel) {
2773 if (found->started) {
2774 ret = drv_cancel_remain_on_channel(local);
2775 if (WARN_ON_ONCE(ret)) {
2776 mutex_unlock(&local->mtx);
2777 return ret;
2778 }
2779 }
21f83589 2780
2eb278e0 2781 list_del(&found->list);
21f83589 2782
0f6b3f59
JB		 2783 if (found->started)
2784 ieee80211_start_next_roc(local);
2eb278e0 2785 mutex_unlock(&local->mtx);
21f83589 2786
3fbd45ca 2787 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2788 } else {
2789 /* work may be pending so use it all the time */
2790 found->abort = true;
2791 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2792
21f83589
JB		 2793 mutex_unlock(&local->mtx);
2794
2eb278e0
JB		 2795 /* work will clean up etc */
2796 flush_delayed_work(&found->work);
3fbd45ca
JB		 2797 WARN_ON(!found->to_be_freed);
2798 kfree(found);
21f83589 2799 }
b8bc4b0a 2800
2eb278e0 2801 return 0;
b8bc4b0a
JB		 2802}
2803
2eb278e0 2804static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2805 struct wireless_dev *wdev,
2eb278e0 2806 u64 cookie)
f30221e4 2807{
71bbc994 2808 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2809 struct ieee80211_local *local = sdata->local;
f30221e4 2810
2eb278e0 2811 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2812}
2813
164eb02d
SW		 2814static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2815 struct net_device *dev,
31559f35
JD		 2816 struct cfg80211_chan_def *chandef,
2817 u32 cac_time_ms)
164eb02d
SW		 2818{
2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2820 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2821 int err;
2822
34a3740d
JB		 2823 mutex_lock(&local->mtx);
2824 if (!list_empty(&local->roc_list) || local->scanning) {
2825 err = -EBUSY;
2826 goto out_unlock;
2827 }
164eb02d
SW		 2828
2829 /* whatever, but channel contexts should not complain about that one */
2830 sdata->smps_mode = IEEE80211_SMPS_OFF;
2831 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2832
164eb02d
SW		 2833 err = ieee80211_vif_use_channel(sdata, chandef,
2834 IEEE80211_CHANCTX_SHARED);
164eb02d 2835 if (err)
34a3740d 2836 goto out_unlock;
164eb02d 2837
164eb02d 2838 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2839 &sdata->dfs_cac_timer_work,
2840 msecs_to_jiffies(cac_time_ms));
164eb02d 2841
34a3740d
JB		 2842 out_unlock:
2843 mutex_unlock(&local->mtx);
2844 return err;
164eb02d
SW		 2845}
2846
73da7d5b
SW		 2847static struct cfg80211_beacon_data *
2848cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2849{
2850 struct cfg80211_beacon_data *new_beacon;
2851 u8 *pos;
2852 int len;
2853
2854 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2855 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2856 beacon->probe_resp_len;
2857
2858 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2859 if (!new_beacon)
2860 return NULL;
2861
2862 pos = (u8 *)(new_beacon + 1);
2863 if (beacon->head_len) {
2864 new_beacon->head_len = beacon->head_len;
2865 new_beacon->head = pos;
2866 memcpy(pos, beacon->head, beacon->head_len);
2867 pos += beacon->head_len;
2868 }
2869 if (beacon->tail_len) {
2870 new_beacon->tail_len = beacon->tail_len;
2871 new_beacon->tail = pos;
2872 memcpy(pos, beacon->tail, beacon->tail_len);
2873 pos += beacon->tail_len;
2874 }
2875 if (beacon->beacon_ies_len) {
2876 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2877 new_beacon->beacon_ies = pos;
2878 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2879 pos += beacon->beacon_ies_len;
2880 }
2881 if (beacon->proberesp_ies_len) {
2882 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2883 new_beacon->proberesp_ies = pos;
2884 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2885 pos += beacon->proberesp_ies_len;
2886 }
2887 if (beacon->assocresp_ies_len) {
2888 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2889 new_beacon->assocresp_ies = pos;
2890 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2891 pos += beacon->assocresp_ies_len;
2892 }
2893 if (beacon->probe_resp_len) {
2894 new_beacon->probe_resp_len = beacon->probe_resp_len;
2895 beacon->probe_resp = pos;
2896 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2897 pos += beacon->probe_resp_len;
2898 }
2899
2900 return new_beacon;
2901}
2902
66e01cf9 2903void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2904{
66e01cf9 2905 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2906
66e01cf9
LC		 2907 ieee80211_queue_work(&sdata->local->hw,
2908 &sdata->csa_finalize_work);
2909}
2910EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2911
66199506
MK		 2912static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2913 u32 *changed)
66e01cf9 2914{
66199506 2915 int err;
7578d575 2916
cd7760e6
SW		 2917 switch (sdata->vif.type) {
2918 case NL80211_IFTYPE_AP:
af296bdb
MK		 2919 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2920 NULL);
97518af1
MK		 2921 kfree(sdata->u.ap.next_beacon);
2922 sdata->u.ap.next_beacon = NULL;
2923
cd7760e6 2924 if (err < 0)
66199506
MK		 2925 return err;
2926 *changed |= err;
cd7760e6
SW		 2927 break;
2928 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2929 err = ieee80211_ibss_finish_csa(sdata);
2930 if (err < 0)
66199506
MK		 2931 return err;
2932 *changed |= err;
cd7760e6 2933 break;
b8456a14
CYY		 2934#ifdef CONFIG_MAC80211_MESH
2935 case NL80211_IFTYPE_MESH_POINT:
2936 err = ieee80211_mesh_finish_csa(sdata);
2937 if (err < 0)
66199506
MK		 2938 return err;
2939 *changed |= err;
b8456a14
CYY		 2940 break;
2941#endif
cd7760e6
SW		 2942 default:
2943 WARN_ON(1);
66199506
MK		 2944 return -EINVAL;
2945 }
2946
2947 return 0;
2948}
2949
cf8767dd 2950static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2951{
2952 struct ieee80211_local *local = sdata->local;
2953 u32 changed = 0;
2954 int err;
2955
2956 sdata_assert_lock(sdata);
2957 lockdep_assert_held(&local->mtx);
03078de4 2958 lockdep_assert_held(&local->chanctx_mtx);
66199506 2959
03078de4
MK		 2960 /*
2961 * using reservation isn't immediate as it may be deferred until later
2962 * with multi-vif. once reservation is complete it will re-schedule the
2963 * work with no reserved_chanctx so verify chandef to check if it
2964 * completed successfully
2965 */
66199506 2966
03078de4
MK		 2967 if (sdata->reserved_chanctx) {
2968 /*
2969 * with multi-vif csa driver may call ieee80211_csa_finish()
2970 * many times while waiting for other interfaces to use their
2971 * reservations
2972 */
2973 if (sdata->reserved_ready)
2974 return 0;
2975
408b18ab 2976 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 2977 }
73da7d5b 2978
03078de4
MK		 2979 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2980 &sdata->csa_chandef))
2981 return -EINVAL;
2982
66199506
MK		 2983 sdata->vif.csa_active = false;
2984
2985 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2986 if (err)
cf8767dd 2987 return err;
faf046e7 2988
66199506 2989 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 2990
a46992b4
LC		 2991 if (sdata->csa_block_tx) {
2992 ieee80211_wake_vif_queues(local, sdata,
2993 IEEE80211_QUEUE_STOP_REASON_CSA);
2994 sdata->csa_block_tx = false;
2995 }
cf8767dd 2996
f1d65583
LC		 2997 err = drv_post_channel_switch(sdata);
2998 if (err)
2999 return err;
3000
3001 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3002
cf8767dd
MK		 3003 return 0;
3004}
3005
3006static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3007{
3008 if (__ieee80211_csa_finalize(sdata)) {
3009 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3010 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3011 GFP_KERNEL);
3012 }
66e01cf9
LC		 3013}
3014
3015void ieee80211_csa_finalize_work(struct work_struct *work)
3016{
3017 struct ieee80211_sub_if_data *sdata =
3018 container_of(work, struct ieee80211_sub_if_data,
3019 csa_finalize_work);
59af6928 3020 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3021
3022 sdata_lock(sdata);
59af6928 3023 mutex_lock(&local->mtx);
03078de4 3024 mutex_lock(&local->chanctx_mtx);
59af6928 3025
66e01cf9
LC		 3026 /* AP might have been stopped while waiting for the lock. */
3027 if (!sdata->vif.csa_active)
3028 goto unlock;
3029
3030 if (!ieee80211_sdata_running(sdata))
3031 goto unlock;
3032
3033 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3034
3035unlock:
03078de4 3036 mutex_unlock(&local->chanctx_mtx);
59af6928 3037 mutex_unlock(&local->mtx);
e487eaeb 3038 sdata_unlock(sdata);
73da7d5b
SW		 3039}
3040
37fa2bdd
MK		 3041static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3042 struct cfg80211_csa_settings *params,
3043 u32 *changed)
73da7d5b 3044{
af296bdb 3045 struct ieee80211_csa_settings csa = {};
37fa2bdd 3046 int err;
73da7d5b 3047
73da7d5b
SW		 3048 switch (sdata->vif.type) {
3049 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3050 sdata->u.ap.next_beacon =
3051 cfg80211_beacon_dup(&params->beacon_after);
3052 if (!sdata->u.ap.next_beacon)
3053 return -ENOMEM;
3054
66e01cf9
LC		 3055 /*
3056 * With a count of 0, we don't have to wait for any
3057 * TBTT before switching, so complete the CSA
3058 * immediately. In theory, with a count == 1 we
3059 * should delay the switch until just before the next
3060 * TBTT, but that would complicate things so we switch
3061 * immediately too. If we would delay the switch
3062 * until the next TBTT, we would have to set the probe
3063 * response here.
3064 *
3065 * TODO: A channel switch with count <= 1 without
3066 * sending a CSA action frame is kind of useless,
3067 * because the clients won't know we're changing
3068 * channels. The action frame must be implemented
3069 * either here or in the userspace.
3070 */
3071 if (params->count <= 1)
3072 break;
3073
0d06d9ba
AO		 3074 if ((params->n_counter_offsets_beacon >
3075 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3076 (params->n_counter_offsets_presp >
3077 IEEE80211_MAX_CSA_COUNTERS_NUM))
3078 return -EINVAL;
9a774c78 3079
af296bdb
MK		 3080 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3081 csa.counter_offsets_presp = params->counter_offsets_presp;
3082 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3083 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3084 csa.count = params->count;
9a774c78 3085
af296bdb 3086 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3087 if (err < 0) {
3088 kfree(sdata->u.ap.next_beacon);
3089 return err;
3090 }
37fa2bdd 3091 *changed |= err;
66e01cf9 3092
cd7760e6
SW		 3093 break;
3094 case NL80211_IFTYPE_ADHOC:
3095 if (!sdata->vif.bss_conf.ibss_joined)
3096 return -EINVAL;
3097
3098 if (params->chandef.width != sdata->u.ibss.chandef.width)
3099 return -EINVAL;
3100
3101 switch (params->chandef.width) {
3102 case NL80211_CHAN_WIDTH_40:
3103 if (cfg80211_get_chandef_type(&params->chandef) !=
3104 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3105 return -EINVAL;
3106 case NL80211_CHAN_WIDTH_5:
3107 case NL80211_CHAN_WIDTH_10:
3108 case NL80211_CHAN_WIDTH_20_NOHT:
3109 case NL80211_CHAN_WIDTH_20:
3110 break;
3111 default:
3112 return -EINVAL;
3113 }
3114
3115 /* changes into another band are not supported */
3116 if (sdata->u.ibss.chandef.chan->band !=
3117 params->chandef.chan->band)
3118 return -EINVAL;
3119
66e01cf9
LC		 3120 /* see comments in the NL80211_IFTYPE_AP block */
3121 if (params->count > 1) {
3122 err = ieee80211_ibss_csa_beacon(sdata, params);
3123 if (err < 0)
3124 return err;
37fa2bdd 3125 *changed |= err;
66e01cf9
LC		 3126 }
3127
3128 ieee80211_send_action_csa(sdata, params);
3129
73da7d5b 3130 break;
c6da674a 3131#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3132 case NL80211_IFTYPE_MESH_POINT: {
3133 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3134
c6da674a
CYY		 3135 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3136 return -EINVAL;
3137
3138 /* changes into another band are not supported */
3139 if (sdata->vif.bss_conf.chandef.chan->band !=
3140 params->chandef.chan->band)
3141 return -EINVAL;
3142
c782bf8c 3143 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3144 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3145 if (!ifmsh->pre_value)
3146 ifmsh->pre_value = 1;
3147 else
3148 ifmsh->pre_value++;
3149 }
0cb4d4dc 3150
66e01cf9
LC		 3151 /* see comments in the NL80211_IFTYPE_AP block */
3152 if (params->count > 1) {
3153 err = ieee80211_mesh_csa_beacon(sdata, params);
3154 if (err < 0) {
3155 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3156 return err;
3157 }
37fa2bdd 3158 *changed |= err;
3f718fd8 3159 }
66e01cf9
LC		 3160
3161 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3162 ieee80211_send_action_csa(sdata, params);
3163
c6da674a 3164 break;
37fa2bdd 3165 }
c6da674a 3166#endif
73da7d5b
SW		 3167 default:
3168 return -EOPNOTSUPP;
3169 }
3170
37fa2bdd
MK		 3171 return 0;
3172}
3173
f29f58a9
LC		 3174static int
3175__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3176 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3177{
3178 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3179 struct ieee80211_local *local = sdata->local;
6d027bcc 3180 struct ieee80211_channel_switch ch_switch;
2b32713d 3181 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3182 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3183 u32 changed = 0;
3184 int err;
37fa2bdd
MK		 3185
3186 sdata_assert_lock(sdata);
59af6928 3187 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3188
3189 if (!list_empty(&local->roc_list) || local->scanning)
3190 return -EBUSY;
3191
3192 if (sdata->wdev.cac_started)
3193 return -EBUSY;
3194
3195 if (cfg80211_chandef_identical(&params->chandef,
3196 &sdata->vif.bss_conf.chandef))
3197 return -EINVAL;
3198
03078de4
MK		 3199 /* don't allow another channel switch if one is already active. */
3200 if (sdata->vif.csa_active)
3201 return -EBUSY;
3202
2b32713d
MK		 3203 mutex_lock(&local->chanctx_mtx);
3204 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3205 lockdep_is_held(&local->chanctx_mtx));
3206 if (!conf) {
03078de4
MK		 3207 err = -EBUSY;
3208 goto out;
37fa2bdd
MK		 3209 }
3210
2b32713d 3211 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3212 if (!chanctx) {
3213 err = -EBUSY;
3214 goto out;
37fa2bdd 3215 }
37fa2bdd 3216
000baa5d
LC		 3217 ch_switch.timestamp = 0;
3218 ch_switch.device_timestamp = 0;
3219 ch_switch.block_tx = params->block_tx;
3220 ch_switch.chandef = params->chandef;
3221 ch_switch.count = params->count;
3222
6d027bcc
LC		 3223 err = drv_pre_channel_switch(sdata, &ch_switch);
3224 if (err)
3225 goto out;
3226
03078de4
MK		 3227 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3228 chanctx->mode,
3229 params->radar_required);
3230 if (err)
3231 goto out;
37fa2bdd 3232
03078de4
MK		 3233 /* if reservation is invalid then this will fail */
3234 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3235 if (err) {
3236 ieee80211_vif_unreserve_chanctx(sdata);
3237 goto out;
3238 }
37fa2bdd
MK		 3239
3240 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3241 if (err) {
3242 ieee80211_vif_unreserve_chanctx(sdata);
3243 goto out;
3244 }
37fa2bdd 3245
33787fc4 3246 sdata->csa_chandef = params->chandef;
59af6928 3247 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3248 sdata->vif.csa_active = true;
3249
59af6928 3250 if (sdata->csa_block_tx)
a46992b4
LC		 3251 ieee80211_stop_vif_queues(local, sdata,
3252 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3253
2f457293
LC		 3254 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3255 params->count);
3256
66e01cf9
LC		 3257 if (changed) {
3258 ieee80211_bss_info_change_notify(sdata, changed);
3259 drv_channel_switch_beacon(sdata, &params->chandef);
3260 } else {
3261 /* if the beacon didn't change, we can finalize immediately */
3262 ieee80211_csa_finalize(sdata);
3263 }
73da7d5b 3264
03078de4
MK		 3265out:
3266 mutex_unlock(&local->chanctx_mtx);
3267 return err;
73da7d5b
SW		 3268}
3269
59af6928
MK		 3270int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3271 struct cfg80211_csa_settings *params)
3272{
3273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3274 struct ieee80211_local *local = sdata->local;
3275 int err;
3276
3277 mutex_lock(&local->mtx);
3278 err = __ieee80211_channel_switch(wiphy, dev, params);
3279 mutex_unlock(&local->mtx);
3280
3281 return err;
3282}
3283
71bbc994 3284static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3285 struct cfg80211_mgmt_tx_params *params,
3286 u64 *cookie)
026331c4 3287{
71bbc994 3288 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3289 struct ieee80211_local *local = sdata->local;
3290 struct sk_buff *skb;
3291 struct sta_info *sta;
b176e629 3292 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3293 bool need_offchan = false;
e247bd90 3294 u32 flags;
2eb278e0 3295 int ret;
387910cc 3296 u8 *data;
f7ca38df 3297
b176e629 3298 if (params->dont_wait_for_ack)
e247bd90
JB		 3299 flags = IEEE80211_TX_CTL_NO_ACK;
3300 else
3301 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3302 IEEE80211_TX_CTL_REQ_TX_STATUS;
3303
b176e629 3304 if (params->no_cck)
aad14ceb
RM		 3305 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3306
9d38d85d
JB		 3307 switch (sdata->vif.type) {
3308 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3309 if (!sdata->vif.bss_conf.ibss_joined)
3310 need_offchan = true;
3311 /* fall through */
3312#ifdef CONFIG_MAC80211_MESH
3313 case NL80211_IFTYPE_MESH_POINT:
3314 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3315 !sdata->u.mesh.mesh_id_len)
3316 need_offchan = true;
3317 /* fall through */
3318#endif
663fcafd
JB		 3319 case NL80211_IFTYPE_AP:
3320 case NL80211_IFTYPE_AP_VLAN:
3321 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3322 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3323 !ieee80211_vif_is_mesh(&sdata->vif) &&
3324 !rcu_access_pointer(sdata->bss->beacon))
3325 need_offchan = true;
663fcafd 3326 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3327 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3328 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3329 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3330 break;
3331 rcu_read_lock();
3332 sta = sta_info_get(sdata, mgmt->da);
3333 rcu_read_unlock();
3334 if (!sta)
3335 return -ENOLINK;
3336 break;
3337 case NL80211_IFTYPE_STATION:
663fcafd 3338 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 3339 if (!sdata->u.mgd.associated)
3340 need_offchan = true;
9d38d85d 3341 break;
f142c6b9
JB		 3342 case NL80211_IFTYPE_P2P_DEVICE:
3343 need_offchan = true;
3344 break;
9d38d85d
JB		 3345 default:
3346 return -EOPNOTSUPP;
3347 }
3348
f7aeb6fb
AQ		 3349 /* configurations requiring offchan cannot work if no channel has been
3350 * specified
3351 */
b176e629 3352 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3353 return -EINVAL;
3354
2eb278e0
JB		 3355 mutex_lock(&local->mtx);
3356
3357 /* Check if the operating channel is the requested channel */
3358 if (!need_offchan) {
55de908a
JB		 3359 struct ieee80211_chanctx_conf *chanctx_conf;
3360
3361 rcu_read_lock();
3362 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3363
f7aeb6fb 3364 if (chanctx_conf) {
b176e629
AO		 3365 need_offchan = params->chan &&
3366 (params->chan !=
3367 chanctx_conf->def.chan);
3368 } else if (!params->chan) {
f7aeb6fb
AQ		 3369 ret = -EINVAL;
3370 rcu_read_unlock();
3371 goto out_unlock;
3372 } else {
2eb278e0 3373 need_offchan = true;
f7aeb6fb 3374 }
55de908a 3375 rcu_read_unlock();
2eb278e0
JB		 3376 }
3377
b176e629 3378 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3379 ret = -EBUSY;
3380 goto out_unlock;
3381 }
3382
b176e629 3383 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3384 if (!skb) {
3385 ret = -ENOMEM;
3386 goto out_unlock;
3387 }
9d38d85d
JB		 3388 skb_reserve(skb, local->hw.extra_tx_headroom);
3389
387910cc
AO		 3390 data = skb_put(skb, params->len);
3391 memcpy(data, params->buf, params->len);
3392
3393 /* Update CSA counters */
3394 if (sdata->vif.csa_active &&
3395 (sdata->vif.type == NL80211_IFTYPE_AP ||
3396 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3397 params->n_csa_offsets) {
3398 int i;
af296bdb 3399 struct beacon_data *beacon = NULL;
387910cc 3400
af296bdb
MK		 3401 rcu_read_lock();
3402
3403 if (sdata->vif.type == NL80211_IFTYPE_AP)
3404 beacon = rcu_dereference(sdata->u.ap.beacon);
3405 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3406 beacon = rcu_dereference(sdata->u.ibss.presp);
3407 else if (ieee80211_vif_is_mesh(&sdata->vif))
3408 beacon = rcu_dereference(sdata->u.mesh.beacon);
3409
3410 if (beacon)
3411 for (i = 0; i < params->n_csa_offsets; i++)
3412 data[params->csa_offsets[i]] =
3413 beacon->csa_current_counter;
3414
3415 rcu_read_unlock();
387910cc 3416 }
9d38d85d
JB		 3417
3418 IEEE80211_SKB_CB(skb)->flags = flags;
3419
3420 skb->dev = sdata->dev;
9d38d85d 3421
2eb278e0 3422 if (!need_offchan) {
7f9f78ab 3423 *cookie = (unsigned long) skb;
f30221e4 3424 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3425 ret = 0;
3426 goto out_unlock;
f30221e4
JB		 3427 }
3428
6c17b77b
SF		 3429 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3430 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3431 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3432 IEEE80211_SKB_CB(skb)->hw_queue =
3433 local->hw.offchannel_tx_hw_queue;
f30221e4 3434
2eb278e0 3435 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3436 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3437 params->wait, cookie, skb,
d339d5ca 3438 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3439 if (ret)
3440 kfree_skb(skb);
3441 out_unlock:
3442 mutex_unlock(&local->mtx);
3443 return ret;
026331c4
JM		 3444}
3445
f30221e4 3446static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3447 struct wireless_dev *wdev,
f30221e4
JB		 3448 u64 cookie)
3449{
71bbc994 3450 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3451
2eb278e0 3452 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3453}
3454
7be5086d 3455static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3456 struct wireless_dev *wdev,
7be5086d
JB		 3457 u16 frame_type, bool reg)
3458{
3459 struct ieee80211_local *local = wiphy_priv(wiphy);
3460
6abe0563 3461 switch (frame_type) {
6abe0563
WH		 3462 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3463 if (reg)
3464 local->probe_req_reg++;
3465 else
3466 local->probe_req_reg--;
7be5086d 3467
35f5149e
FF		 3468 if (!local->open_count)
3469 break;
3470
6abe0563
WH		 3471 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3472 break;
3473 default:
3474 break;
3475 }
7be5086d
JB		 3476}
3477
15d96753
BR		 3478static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3479{
3480 struct ieee80211_local *local = wiphy_priv(wiphy);
3481
3482 if (local->started)
3483 return -EOPNOTSUPP;
3484
3485 return drv_set_antenna(local, tx_ant, rx_ant);
3486}
3487
3488static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3489{
3490 struct ieee80211_local *local = wiphy_priv(wiphy);
3491
3492 return drv_get_antenna(local, tx_ant, rx_ant);
3493}
3494
c68f4b89
JB		 3495static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3496 struct net_device *dev,
3497 struct cfg80211_gtk_rekey_data *data)
3498{
3499 struct ieee80211_local *local = wiphy_priv(wiphy);
3500 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3501
3502 if (!local->ops->set_rekey_data)
3503 return -EOPNOTSUPP;
3504
3505 drv_set_rekey_data(local, sdata, data);
3506
3507 return 0;
3508}
3509
06500736
JB		 3510static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3511 const u8 *peer, u64 *cookie)
3512{
3513 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3514 struct ieee80211_local *local = sdata->local;
3515 struct ieee80211_qos_hdr *nullfunc;
3516 struct sk_buff *skb;
3517 int size = sizeof(*nullfunc);
3518 __le16 fc;
3519 bool qos;
3520 struct ieee80211_tx_info *info;
3521 struct sta_info *sta;
55de908a
JB		 3522 struct ieee80211_chanctx_conf *chanctx_conf;
3523 enum ieee80211_band band;
06500736
JB		 3524
3525 rcu_read_lock();
55de908a
JB		 3526 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3527 if (WARN_ON(!chanctx_conf)) {
3528 rcu_read_unlock();
3529 return -EINVAL;
3530 }
4bf88530 3531 band = chanctx_conf->def.chan->band;
03bb7f42 3532 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3533 if (sta) {
a74a8c84 3534 qos = sta->sta.wme;
b4487c2d
JB		 3535 } else {
3536 rcu_read_unlock();
06500736 3537 return -ENOLINK;
b4487c2d 3538 }
06500736
JB		 3539
3540 if (qos) {
3541 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3542 IEEE80211_STYPE_QOS_NULLFUNC |
3543 IEEE80211_FCTL_FROMDS);
3544 } else {
3545 size -= 2;
3546 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3547 IEEE80211_STYPE_NULLFUNC |
3548 IEEE80211_FCTL_FROMDS);
3549 }
3550
3551 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3552 if (!skb) {
3553 rcu_read_unlock();
06500736 3554 return -ENOMEM;
55de908a 3555 }
06500736
JB		 3556
3557 skb->dev = dev;
3558
3559 skb_reserve(skb, local->hw.extra_tx_headroom);
3560
3561 nullfunc = (void *) skb_put(skb, size);
3562 nullfunc->frame_control = fc;
3563 nullfunc->duration_id = 0;
3564 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3565 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3566 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3567 nullfunc->seq_ctrl = 0;
3568
3569 info = IEEE80211_SKB_CB(skb);
3570
3571 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3572 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3573 info->band = band;
06500736
JB		 3574
3575 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3576 skb->priority = 7;
3577 if (qos)
3578 nullfunc->qos_ctrl = cpu_to_le16(7);
3579
3580 local_bh_disable();
7c10770f 3581 ieee80211_xmit(sdata, sta, skb);
06500736 3582 local_bh_enable();
55de908a 3583 rcu_read_unlock();
06500736
JB		 3584
3585 *cookie = (unsigned long) skb;
3586 return 0;
3587}
3588
683b6d3b
JB		 3589static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3590 struct wireless_dev *wdev,
3591 struct cfg80211_chan_def *chandef)
5b7ccaf3 3592{
55de908a 3593 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3594 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3595 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3596 int ret = -ENODATA;
55de908a
JB		 3597
3598 rcu_read_lock();
feda3027
JB		 3599 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3600 if (chanctx_conf) {
c12bc488 3601 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3602 ret = 0;
3603 } else if (local->open_count > 0 &&
3604 local->open_count == local->monitors &&
3605 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3606 if (local->use_chanctx)
3607 *chandef = local->monitor_chandef;
3608 else
675a0b04 3609 *chandef = local->_oper_chandef;
683b6d3b 3610 ret = 0;
55de908a
JB		 3611 }
3612 rcu_read_unlock();
5b7ccaf3 3613
683b6d3b 3614 return ret;
5b7ccaf3
JB		 3615}
3616
6d52563f
JB		 3617#ifdef CONFIG_PM
3618static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3619{
3620 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3621}
3622#endif
3623
32db6b54
KP		 3624static int ieee80211_set_qos_map(struct wiphy *wiphy,
3625 struct net_device *dev,
3626 struct cfg80211_qos_map *qos_map)
3627{
3628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3629 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3630
3631 if (qos_map) {
3632 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3633 if (!new_qos_map)
3634 return -ENOMEM;
3635 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3636 } else {
3637 /* A NULL qos_map was passed to disable QoS mapping */
3638 new_qos_map = NULL;
3639 }
3640
194ff52d 3641 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3642 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3643 if (old_qos_map)
3644 kfree_rcu(old_qos_map, rcu_head);
3645
3646 return 0;
3647}
3648
3b1700bd
JM		 3649static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3650 struct net_device *dev,
3651 struct cfg80211_chan_def *chandef)
3652{
3653 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3654 int ret;
3655 u32 changed = 0;
3656
3657 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3658 if (ret == 0)
3659 ieee80211_bss_info_change_notify(sdata, changed);
3660
3661 return ret;
3662}
3663
02219b3a
JB		 3664static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3665 u8 tsid, const u8 *peer, u8 up,
3666 u16 admitted_time)
3667{
3668 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3669 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3670 int ac = ieee802_1d_to_ac[up];
3671
3672 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3673 return -EOPNOTSUPP;
3674
3675 if (!(sdata->wmm_acm & BIT(up)))
3676 return -EINVAL;
3677
3678 if (ifmgd->tx_tspec[ac].admitted_time)
3679 return -EBUSY;
3680
3681 if (admitted_time) {
3682 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3683 ifmgd->tx_tspec[ac].tsid = tsid;
3684 ifmgd->tx_tspec[ac].up = up;
3685 }
3686
3687 return 0;
3688}
3689
3690static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3691 u8 tsid, const u8 *peer)
3692{
3693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3694 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3695 struct ieee80211_local *local = wiphy_priv(wiphy);
3696 int ac;
3697
3698 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3699 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3700
3701 /* skip unused entries */
3702 if (!tx_tspec->admitted_time)
3703 continue;
3704
3705 if (tx_tspec->tsid != tsid)
3706 continue;
3707
3708 /* due to this new packets will be reassigned to non-ACM ACs */
3709 tx_tspec->up = -1;
3710
3711 /* Make sure that all packets have been sent to avoid to
3712 * restore the QoS params on packets that are still on the
3713 * queues.
3714 */
3715 synchronize_net();
3b24f4c6 3716 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3717
3718 /* restore the normal QoS parameters
3719 * (unconditionally to avoid races)
3720 */
3721 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3722 tx_tspec->downgraded = false;
3723 ieee80211_sta_handle_tspec_ac_params(sdata);
3724
3725 /* finally clear all the data */
3726 memset(tx_tspec, 0, sizeof(*tx_tspec));
3727
3728 return 0;
3729 }
3730
3731 return -ENOENT;
3732}
3733
8a47cea7 3734const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3735 .add_virtual_intf = ieee80211_add_iface,
3736 .del_virtual_intf = ieee80211_del_iface,
42613db7 3737 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3738 .start_p2p_device = ieee80211_start_p2p_device,
3739 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3740 .add_key = ieee80211_add_key,
3741 .del_key = ieee80211_del_key,
62da92fb 3742 .get_key = ieee80211_get_key,
e8cbb4cb 3743 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3744 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3745 .start_ap = ieee80211_start_ap,
3746 .change_beacon = ieee80211_change_beacon,
3747 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3748 .add_station = ieee80211_add_station,
3749 .del_station = ieee80211_del_station,
3750 .change_station = ieee80211_change_station,
7bbdd2d9 3751 .get_station = ieee80211_get_station,
c5dd9c2b 3752 .dump_station = ieee80211_dump_station,
1289723e 3753 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3754#ifdef CONFIG_MAC80211_MESH
3755 .add_mpath = ieee80211_add_mpath,
3756 .del_mpath = ieee80211_del_mpath,
3757 .change_mpath = ieee80211_change_mpath,
3758 .get_mpath = ieee80211_get_mpath,
3759 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3760 .get_mpp = ieee80211_get_mpp,
3761 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3762 .update_mesh_config = ieee80211_update_mesh_config,
3763 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3764 .join_mesh = ieee80211_join_mesh,
3765 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3766#endif
239281f8
RL		 3767 .join_ocb = ieee80211_join_ocb,
3768 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3769 .change_bss = ieee80211_change_bss,
31888487 3770 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3771 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3772 .suspend = ieee80211_suspend,
3773 .resume = ieee80211_resume,
2a519311 3774 .scan = ieee80211_scan,
79f460ca
LC		 3775 .sched_scan_start = ieee80211_sched_scan_start,
3776 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3777 .auth = ieee80211_auth,
3778 .assoc = ieee80211_assoc,
3779 .deauth = ieee80211_deauth,
3780 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3781 .join_ibss = ieee80211_join_ibss,
3782 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3783 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3784 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3785 .set_tx_power = ieee80211_set_tx_power,
3786 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3787 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3788 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3789 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3790 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3791 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3792 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3793 .remain_on_channel = ieee80211_remain_on_channel,
3794 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3795 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3796 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3797 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3798 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3799 .set_antenna = ieee80211_set_antenna,
3800 .get_antenna = ieee80211_get_antenna,
c68f4b89 3801 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3802 .tdls_oper = ieee80211_tdls_oper,
3803 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3804 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3805 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3806 .probe_client = ieee80211_probe_client,
b53be792 3807 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3808#ifdef CONFIG_PM
3809 .set_wakeup = ieee80211_set_wakeup,
3810#endif
5b7ccaf3 3811 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3812 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3813 .channel_switch = ieee80211_channel_switch,
32db6b54 3814 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3815 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3816 .add_tx_ts = ieee80211_add_tx_ts,
3817 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3818};
ubuntu-bionic-kernel mirror