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mac80211: use new cfg80211_inform_bss_frame_data() API
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
b2eb0ee6 5 * Copyright 2013-2015 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;
17c18bf8
JB		 140
141 ieee80211_check_fast_xmit_iface(sdata);
142
b53be792
SW		 143 return 0;
144}
145
e8cbb4cb 146static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 147 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 148 struct key_params *params)
149{
26a58456 150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2475b1cc 151 struct ieee80211_local *local = sdata->local;
e8cbb4cb 152 struct sta_info *sta = NULL;
2475b1cc 153 const struct ieee80211_cipher_scheme *cs = NULL;
db4d1169 154 struct ieee80211_key *key;
3b96766f 155 int err;
e8cbb4cb 156
26a58456 157 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 158 return -ENETDOWN;
159
97359d12 160 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 161 switch (params->cipher) {
162 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 163 case WLAN_CIPHER_SUITE_TKIP:
97359d12 164 case WLAN_CIPHER_SUITE_WEP104:
2475b1cc 165 if (IS_ERR(local->wep_tx_tfm))
97359d12 166 return -EINVAL;
3cfcf6ac 167 break;
2475b1cc 168 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 169 case WLAN_CIPHER_SUITE_CCMP_256:
2475b1cc 170 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 171 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
8ade538b
JM		 172 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
173 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
2475b1cc 174 case WLAN_CIPHER_SUITE_GCMP:
00b9cfa3 175 case WLAN_CIPHER_SUITE_GCMP_256:
2475b1cc 176 break;
e8cbb4cb 177 default:
2475b1cc 178 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
97359d12 179 break;
e8cbb4cb
JB		 180 }
181
97359d12 182 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
2475b1cc
MS		 183 params->key, params->seq_len, params->seq,
184 cs);
1ac62ba7
BH		 185 if (IS_ERR(key))
186 return PTR_ERR(key);
db4d1169 187
e31b8213
JB		 188 if (pairwise)
189 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
190
2475b1cc 191 mutex_lock(&local->sta_mtx);
3b96766f 192
e8cbb4cb 193 if (mac_addr) {
ff973af7
TP		 194 if (ieee80211_vif_is_mesh(&sdata->vif))
195 sta = sta_info_get(sdata, mac_addr);
196 else
197 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 198 /*
199 * The ASSOC test makes sure the driver is ready to
200 * receive the key. When wpa_supplicant has roamed
201 * using FT, it attempts to set the key before
202 * association has completed, this rejects that attempt
d070f913 203 * so it will set the key again after association.
1626e0fa
JB		 204 *
205 * TODO: accept the key if we have a station entry and
206 * add it to the device after the station.
207 */
208 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 209 ieee80211_key_free_unused(key);
3b96766f
JB		 210 err = -ENOENT;
211 goto out_unlock;
db4d1169 212 }
e8cbb4cb
JB		 213 }
214
e548c49e
JB		 215 switch (sdata->vif.type) {
216 case NL80211_IFTYPE_STATION:
217 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
218 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
219 break;
220 case NL80211_IFTYPE_AP:
221 case NL80211_IFTYPE_AP_VLAN:
222 /* Keys without a station are used for TX only */
223 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
224 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
225 break;
226 case NL80211_IFTYPE_ADHOC:
227 /* no MFP (yet) */
228 break;
229 case NL80211_IFTYPE_MESH_POINT:
230#ifdef CONFIG_MAC80211_MESH
231 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
232 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
233 break;
234#endif
235 case NL80211_IFTYPE_WDS:
236 case NL80211_IFTYPE_MONITOR:
237 case NL80211_IFTYPE_P2P_DEVICE:
238 case NL80211_IFTYPE_UNSPECIFIED:
239 case NUM_NL80211_IFTYPES:
240 case NL80211_IFTYPE_P2P_CLIENT:
241 case NL80211_IFTYPE_P2P_GO:
6e0bd6c3 242 case NL80211_IFTYPE_OCB:
e548c49e
JB		 243 /* shouldn't happen */
244 WARN_ON_ONCE(1);
245 break;
246 }
247
2475b1cc
MS		 248 if (sta)
249 sta->cipher_scheme = cs;
250
3ffc2a90 251 err = ieee80211_key_link(key, sdata, sta);
db4d1169 252
3b96766f 253 out_unlock:
2475b1cc 254 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 255
256 return err;
e8cbb4cb
JB		 257}
258
259static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 260 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 261{
5c0c3641
JB		 262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
263 struct ieee80211_local *local = sdata->local;
e8cbb4cb 264 struct sta_info *sta;
5c0c3641 265 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 266 int ret;
267
5c0c3641
JB		 268 mutex_lock(&local->sta_mtx);
269 mutex_lock(&local->key_mtx);
3b96766f 270
e8cbb4cb 271 if (mac_addr) {
3b96766f
JB		 272 ret = -ENOENT;
273
0e5ded5a 274 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 275 if (!sta)
3b96766f 276 goto out_unlock;
e8cbb4cb 277
5c0c3641 278 if (pairwise)
2475b1cc 279 key = key_mtx_dereference(local, sta->ptk[key_idx]);
5c0c3641 280 else
40b275b6 281 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 282 } else
40b275b6 283 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 284
5c0c3641 285 if (!key) {
3b96766f
JB		 286 ret = -ENOENT;
287 goto out_unlock;
288 }
e8cbb4cb 289
3b8d9c29 290 ieee80211_key_free(key, true);
e8cbb4cb 291
3b96766f
JB		 292 ret = 0;
293 out_unlock:
5c0c3641
JB		 294 mutex_unlock(&local->key_mtx);
295 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 296
297 return ret;
e8cbb4cb
JB		 298}
299
62da92fb 300static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 301 u8 key_idx, bool pairwise, const u8 *mac_addr,
302 void *cookie,
62da92fb
JB		 303 void (*callback)(void *cookie,
304 struct key_params *params))
305{
14db74bc 306 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 307 struct sta_info *sta = NULL;
308 u8 seq[6] = {0};
309 struct key_params params;
e31b8213 310 struct ieee80211_key *key = NULL;
aba83a0b 311 u64 pn64;
62da92fb
JB		 312 u32 iv32;
313 u16 iv16;
314 int err = -ENOENT;
9352c19f 315 struct ieee80211_key_seq kseq = {};
62da92fb 316
14db74bc
JB		 317 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
318
3b96766f
JB		 319 rcu_read_lock();
320
62da92fb 321 if (mac_addr) {
0e5ded5a 322 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 323 if (!sta)
324 goto out;
325
354e159d 326 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
2475b1cc 327 key = rcu_dereference(sta->ptk[key_idx]);
31f1f4ec
MS		 328 else if (!pairwise &&
329 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
a3836e02 330 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 331 } else
a3836e02 332 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 333
334 if (!key)
335 goto out;
336
337 memset(&params, 0, sizeof(params));
338
97359d12 339 params.cipher = key->conf.cipher;
62da92fb 340
97359d12
JB		 341 switch (key->conf.cipher) {
342 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 343 iv32 = key->u.tkip.tx.iv32;
344 iv16 = key->u.tkip.tx.iv16;
62da92fb 345
9352c19f
JB		 346 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
347 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
348 drv_get_key_seq(sdata->local, key, &kseq);
349 iv32 = kseq.tkip.iv32;
350 iv16 = kseq.tkip.iv16;
351 }
62da92fb
JB		 352
353 seq[0] = iv16 & 0xff;
354 seq[1] = (iv16 >> 8) & 0xff;
355 seq[2] = iv32 & 0xff;
356 seq[3] = (iv32 >> 8) & 0xff;
357 seq[4] = (iv32 >> 16) & 0xff;
358 seq[5] = (iv32 >> 24) & 0xff;
359 params.seq = seq;
360 params.seq_len = 6;
361 break;
97359d12 362 case WLAN_CIPHER_SUITE_CCMP:
2b2ba0db 363 case WLAN_CIPHER_SUITE_CCMP_256:
97359d12 364 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 365 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
db388a56
JB		 366 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
367 offsetof(typeof(kseq), aes_cmac));
8ade538b
JM		 368 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
369 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
db388a56
JB		 370 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
371 offsetof(typeof(kseq), aes_gmac));
00b9cfa3
JM		 372 case WLAN_CIPHER_SUITE_GCMP:
373 case WLAN_CIPHER_SUITE_GCMP_256:
db388a56
JB		 374 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
375 offsetof(typeof(kseq), gcmp));
376
9352c19f
JB		 377 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
378 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
379 drv_get_key_seq(sdata->local, key, &kseq);
db388a56 380 memcpy(seq, kseq.ccmp.pn, 6);
9352c19f 381 } else {
db388a56 382 pn64 = atomic64_read(&key->conf.tx_pn);
9352c19f
JB		 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 }
00b9cfa3
JM		 390 params.seq = seq;
391 params.seq_len = 6;
392 break;
a31cf1c6
JB		 393 default:
394 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
395 break;
396 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
397 break;
398 drv_get_key_seq(sdata->local, key, &kseq);
399 params.seq = kseq.hw.seq;
400 params.seq_len = kseq.hw.seq_len;
401 break;
62da92fb
JB		 402 }
403
404 params.key = key->conf.key;
405 params.key_len = key->conf.keylen;
406
407 callback(cookie, &params);
408 err = 0;
409
410 out:
3b96766f 411 rcu_read_unlock();
62da92fb
JB		 412 return err;
413}
414
e8cbb4cb
JB		 415static int ieee80211_config_default_key(struct wiphy *wiphy,
416 struct net_device *dev,
dbd2fd65
JB		 417 u8 key_idx, bool uni,
418 bool multi)
e8cbb4cb 419{
ad0e2b5a 420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 421
f7e0104c 422 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 423
424 return 0;
425}
426
3cfcf6ac
JM		 427static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
428 struct net_device *dev,
429 u8 key_idx)
430{
66c52421 431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 432
3cfcf6ac
JM		 433 ieee80211_set_default_mgmt_key(sdata, key_idx);
434
3cfcf6ac
JM		 435 return 0;
436}
437
6b62bf32
TP		 438void sta_set_rate_info_tx(struct sta_info *sta,
439 const struct ieee80211_tx_rate *rate,
440 struct rate_info *rinfo)
441{
442 rinfo->flags = 0;
8bc83c24 443 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 444 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 445 rinfo->mcs = rate->idx;
446 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
447 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
448 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
449 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
450 } else {
451 struct ieee80211_supported_band *sband;
2103dec1
SW		 452 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
453 u16 brate;
454
8bc83c24
JB		 455 sband = sta->local->hw.wiphy->bands[
456 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 457 brate = sband->bitrates[rate->idx].bitrate;
458 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 459 }
6b62bf32 460 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 461 rinfo->bw = RATE_INFO_BW_40;
462 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
463 rinfo->bw = RATE_INFO_BW_80;
464 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
465 rinfo->bw = RATE_INFO_BW_160;
466 else
467 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 468 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
469 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 470}
471
003e676a
S		 472void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
473{
474 rinfo->flags = 0;
475
476 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
477 rinfo->flags |= RATE_INFO_FLAGS_MCS;
478 rinfo->mcs = sta->last_rx_rate_idx;
479 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
480 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
481 rinfo->nss = sta->last_rx_rate_vht_nss;
482 rinfo->mcs = sta->last_rx_rate_idx;
483 } else {
484 struct ieee80211_supported_band *sband;
2103dec1
SW		 485 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
486 u16 brate;
003e676a
S		 487
488 sband = sta->local->hw.wiphy->bands[
489 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 490 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
491 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 492 }
493
003e676a
S		 494 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
495 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
b51f3bee
JB		 496
497 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
498 rinfo->bw = RATE_INFO_BW_5;
499 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
500 rinfo->bw = RATE_INFO_BW_10;
501 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
502 rinfo->bw = RATE_INFO_BW_40;
503 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
504 rinfo->bw = RATE_INFO_BW_80;
505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
506 rinfo->bw = RATE_INFO_BW_160;
507 else
508 rinfo->bw = RATE_INFO_BW_20;
003e676a
S		 509}
510
c5dd9c2b 511static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 512 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 513{
3b53fde8 514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 515 struct ieee80211_local *local = sdata->local;
c5dd9c2b 516 struct sta_info *sta;
d0709a65
JB		 517 int ret = -ENOENT;
518
66572cfc 519 mutex_lock(&local->sta_mtx);
c5dd9c2b 520
3b53fde8 521 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 522 if (sta) {
523 ret = 0;
17741cdc 524 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 525 sta_set_sinfo(sta, sinfo);
526 }
c5dd9c2b 527
66572cfc 528 mutex_unlock(&local->sta_mtx);
c5dd9c2b 529
d0709a65 530 return ret;
c5dd9c2b
LCC		 531}
532
1289723e
HS		 533static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
534 int idx, struct survey_info *survey)
535{
536 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
537
1289723e
HS		 538 return drv_get_survey(local, idx, survey);
539}
540
7bbdd2d9 541static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 542 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 543{
abe60632 544 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 545 struct ieee80211_local *local = sdata->local;
7bbdd2d9 546 struct sta_info *sta;
d0709a65 547 int ret = -ENOENT;
7bbdd2d9 548
66572cfc 549 mutex_lock(&local->sta_mtx);
7bbdd2d9 550
0e5ded5a 551 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 552 if (sta) {
553 ret = 0;
554 sta_set_sinfo(sta, sinfo);
555 }
556
66572cfc 557 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 558
559 return ret;
7bbdd2d9
JB		 560}
561
55de908a 562static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 563 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 564{
565 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 566 struct ieee80211_sub_if_data *sdata;
567 int ret = 0;
3d9e6e12 568
4bf88530 569 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 570 return 0;
3d9e6e12 571
34a3740d 572 mutex_lock(&local->mtx);
55de908a
JB		 573 mutex_lock(&local->iflist_mtx);
574 if (local->use_chanctx) {
575 sdata = rcu_dereference_protected(
576 local->monitor_sdata,
577 lockdep_is_held(&local->iflist_mtx));
578 if (sdata) {
579 ieee80211_vif_release_channel(sdata);
4bf88530 580 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 581 IEEE80211_CHANCTX_EXCLUSIVE);
582 }
583 } else if (local->open_count == local->monitors) {
675a0b04 584 local->_oper_chandef = *chandef;
55de908a
JB		 585 ieee80211_hw_config(local, 0);
586 }
3d9e6e12 587
4bf88530
JB		 588 if (ret == 0)
589 local->monitor_chandef = *chandef;
55de908a 590 mutex_unlock(&local->iflist_mtx);
34a3740d 591 mutex_unlock(&local->mtx);
3d9e6e12 592
55de908a 593 return ret;
e8c9bd5b
JB		 594}
595
02945821 596static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 597 const u8 *resp, size_t resp_len,
598 const struct ieee80211_csa_settings *csa)
02945821 599{
aa7a0080 600 struct probe_resp *new, *old;
02945821
AN		 601
602 if (!resp || !resp_len)
aba4e6ff 603 return 1;
02945821 604
7ca133bc 605 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 606
aa7a0080 607 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 608 if (!new)
609 return -ENOMEM;
610
aa7a0080
ES		 611 new->len = resp_len;
612 memcpy(new->data, resp, resp_len);
02945821 613
af296bdb
MK		 614 if (csa)
615 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
616 csa->n_counter_offsets_presp *
617 sizeof(new->csa_counter_offsets[0]));
618
02945821 619 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 620 if (old)
621 kfree_rcu(old, rcu_head);
02945821
AN		 622
623 return 0;
624}
625
0ae07968 626static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 627 struct cfg80211_beacon_data *params,
628 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 629{
630 struct beacon_data *new, *old;
631 int new_head_len, new_tail_len;
8860020e
JB		 632 int size, err;
633 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 634
7ca133bc
SW		 635 old = sdata_dereference(sdata->u.ap.beacon, sdata);
636
5dfdaf58 637
5dfdaf58
JB		 638 /* Need to have a beacon head if we don't have one yet */
639 if (!params->head && !old)
8860020e 640 return -EINVAL;
5dfdaf58
JB		 641
642 /* new or old head? */
643 if (params->head)
644 new_head_len = params->head_len;
645 else
646 new_head_len = old->head_len;
647
648 /* new or old tail? */
649 if (params->tail || !old)
650 /* params->tail_len will be zero for !params->tail */
651 new_tail_len = params->tail_len;
652 else
653 new_tail_len = old->tail_len;
654
655 size = sizeof(*new) + new_head_len + new_tail_len;
656
657 new = kzalloc(size, GFP_KERNEL);
658 if (!new)
659 return -ENOMEM;
660
661 /* start filling the new info now */
662
5dfdaf58
JB		 663 /*
664 * pointers go into the block we allocated,
665 * memory is | beacon_data | head | tail |
666 */
667 new->head = ((u8 *) new) + sizeof(*new);
668 new->tail = new->head + new_head_len;
669 new->head_len = new_head_len;
670 new->tail_len = new_tail_len;
671
af296bdb
MK		 672 if (csa) {
673 new->csa_current_counter = csa->count;
674 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
675 csa->n_counter_offsets_beacon *
676 sizeof(new->csa_counter_offsets[0]));
677 }
678
5dfdaf58
JB		 679 /* copy in head */
680 if (params->head)
681 memcpy(new->head, params->head, new_head_len);
682 else
683 memcpy(new->head, old->head, new_head_len);
684
685 /* copy in optional tail */
686 if (params->tail)
687 memcpy(new->tail, params->tail, new_tail_len);
688 else
689 if (old)
690 memcpy(new->tail, old->tail, new_tail_len);
691
02945821 692 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 693 params->probe_resp_len, csa);
8860020e
JB		 694 if (err < 0)
695 return err;
696 if (err == 0)
02945821
AN		 697 changed |= BSS_CHANGED_AP_PROBE_RESP;
698
8860020e
JB		 699 rcu_assign_pointer(sdata->u.ap.beacon, new);
700
701 if (old)
702 kfree_rcu(old, rcu_head);
7827493b 703
8860020e 704 return changed;
5dfdaf58
JB		 705}
706
8860020e
JB		 707static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
708 struct cfg80211_ap_settings *params)
5dfdaf58 709{
8860020e 710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 711 struct ieee80211_local *local = sdata->local;
5dfdaf58 712 struct beacon_data *old;
665c93a9 713 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 714 u32 changed = BSS_CHANGED_BEACON_INT |
715 BSS_CHANGED_BEACON_ENABLED |
716 BSS_CHANGED_BEACON |
339afbf4 717 BSS_CHANGED_SSID |
4bcc56bb
JB		 718 BSS_CHANGED_P2P_PS |
719 BSS_CHANGED_TXPOWER;
8860020e 720 int err;
14db74bc 721
7ca133bc 722 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 723 if (old)
724 return -EALREADY;
725
f6993174
EP		 726 switch (params->smps_mode) {
727 case NL80211_SMPS_OFF:
728 sdata->smps_mode = IEEE80211_SMPS_OFF;
729 break;
730 case NL80211_SMPS_STATIC:
731 sdata->smps_mode = IEEE80211_SMPS_STATIC;
732 break;
733 case NL80211_SMPS_DYNAMIC:
734 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
735 break;
736 default:
737 return -EINVAL;
738 }
04ecd257
JB		 739 sdata->needed_rx_chains = sdata->local->rx_chains;
740
34a3740d 741 mutex_lock(&local->mtx);
4bf88530 742 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 743 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 744 if (!err)
745 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 746 mutex_unlock(&local->mtx);
aa430da4
JB		 747 if (err)
748 return err;
749
665c93a9
JB		 750 /*
751 * Apply control port protocol, this allows us to
752 * not encrypt dynamic WEP control frames.
753 */
754 sdata->control_port_protocol = params->crypto.control_port_ethertype;
755 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 756 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
757 &params->crypto,
758 sdata->vif.type);
759
665c93a9
JB		 760 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
761 vlan->control_port_protocol =
762 params->crypto.control_port_ethertype;
763 vlan->control_port_no_encrypt =
764 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 765 vlan->encrypt_headroom =
766 ieee80211_cs_headroom(sdata->local,
767 &params->crypto,
768 vlan->vif.type);
665c93a9
JB		 769 }
770
8860020e
JB		 771 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
772 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 773 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 774
775 sdata->vif.bss_conf.ssid_len = params->ssid_len;
776 if (params->ssid_len)
777 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
778 params->ssid_len);
779 sdata->vif.bss_conf.hidden_ssid =
780 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
781
67baf663
JD		 782 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
783 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
784 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
785 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
786 if (params->p2p_opp_ps)
787 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
788 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 789
af296bdb 790 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 791 if (err < 0) {
792 ieee80211_vif_release_channel(sdata);
8860020e 793 return err;
0297ea17 794 }
8860020e
JB		 795 changed |= err;
796
1041638f
JB		 797 err = drv_start_ap(sdata->local, sdata);
798 if (err) {
7ca133bc
SW		 799 old = sdata_dereference(sdata->u.ap.beacon, sdata);
800
1041638f
JB		 801 if (old)
802 kfree_rcu(old, rcu_head);
803 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 804 ieee80211_vif_release_channel(sdata);
1041638f
JB		 805 return err;
806 }
807
057d5f4b 808 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 809 ieee80211_bss_info_change_notify(sdata, changed);
810
3edaf3e6
JB		 811 netif_carrier_on(dev);
812 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
813 netif_carrier_on(vlan->dev);
814
665c93a9 815 return 0;
5dfdaf58
JB		 816}
817
8860020e
JB		 818static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
819 struct cfg80211_beacon_data *params)
5dfdaf58 820{
14db74bc 821 struct ieee80211_sub_if_data *sdata;
5dfdaf58 822 struct beacon_data *old;
8860020e 823 int err;
5dfdaf58 824
14db74bc 825 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 826 sdata_assert_lock(sdata);
14db74bc 827
73da7d5b
SW		 828 /* don't allow changing the beacon while CSA is in place - offset
829 * of channel switch counter may change
830 */
831 if (sdata->vif.csa_active)
832 return -EBUSY;
833
7ca133bc 834 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 835 if (!old)
836 return -ENOENT;
837
af296bdb 838 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 839 if (err < 0)
840 return err;
841 ieee80211_bss_info_change_notify(sdata, err);
842 return 0;
5dfdaf58
JB		 843}
844
8860020e 845static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 846{
7b20b8e8
JB		 847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
848 struct ieee80211_sub_if_data *vlan;
849 struct ieee80211_local *local = sdata->local;
850 struct beacon_data *old_beacon;
851 struct probe_resp *old_probe_resp;
d2859df5 852 struct cfg80211_chan_def chandef;
14db74bc 853
dbd72850
MK		 854 sdata_assert_lock(sdata);
855
7ca133bc 856 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 857 if (!old_beacon)
5dfdaf58 858 return -ENOENT;
7ca133bc 859 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 860
73da7d5b 861 /* abort any running channel switch */
59af6928 862 mutex_lock(&local->mtx);
73da7d5b 863 sdata->vif.csa_active = false;
a46992b4
LC		 864 if (sdata->csa_block_tx) {
865 ieee80211_wake_vif_queues(local, sdata,
866 IEEE80211_QUEUE_STOP_REASON_CSA);
867 sdata->csa_block_tx = false;
868 }
869
59af6928
MK		 870 mutex_unlock(&local->mtx);
871
1f3b8a2b
SW		 872 kfree(sdata->u.ap.next_beacon);
873 sdata->u.ap.next_beacon = NULL;
874
7b20b8e8 875 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 876 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
877 netif_carrier_off(vlan->dev);
878 netif_carrier_off(dev);
879
7b20b8e8 880 /* remove beacon and probe response */
a9b3cd7f 881 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 882 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
883 kfree_rcu(old_beacon, rcu_head);
884 if (old_probe_resp)
885 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 886 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 887
e716251d 888 __sta_info_flush(sdata, true);
7907c7d3 889 ieee80211_free_keys(sdata, true);
75de9113 890
d6a83228 891 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 892 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 893 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 894 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 895
a6b368f6 896 if (sdata->wdev.cac_started) {
d2859df5 897 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 898 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 899 cfg80211_cac_event(sdata->dev, &chandef,
900 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 901 GFP_KERNEL);
902 }
903
1041638f
JB		 904 drv_stop_ap(sdata->local, sdata);
905
7b20b8e8
JB		 906 /* free all potentially still buffered bcast frames */
907 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
908 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
909
34a3740d 910 mutex_lock(&local->mtx);
4e141dad 911 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 912 ieee80211_vif_release_channel(sdata);
34a3740d 913 mutex_unlock(&local->mtx);
55de908a 914
2d0ddec5 915 return 0;
5dfdaf58
JB		 916}
917
4fd6931e
JB		 918/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
919struct iapp_layer2_update {
920 u8 da[ETH_ALEN]; /* broadcast */
921 u8 sa[ETH_ALEN]; /* STA addr */
922 __be16 len; /* 6 */
923 u8 dsap; /* 0 */
924 u8 ssap; /* 0 */
925 u8 control;
926 u8 xid_info[3];
bc10502d 927} __packed;
4fd6931e
JB		 928
929static void ieee80211_send_layer2_update(struct sta_info *sta)
930{
931 struct iapp_layer2_update *msg;
932 struct sk_buff *skb;
933
934 /* Send Level 2 Update Frame to update forwarding tables in layer 2
935 * bridge devices */
936
937 skb = dev_alloc_skb(sizeof(*msg));
938 if (!skb)
939 return;
940 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
941
942 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
943 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
944
e83e6541 945 eth_broadcast_addr(msg->da);
17741cdc 946 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 947 msg->len = htons(6);
948 msg->dsap = 0;
949 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
950 msg->control = 0xaf; /* XID response lsb.1111F101.
951 * F=0 (no poll command; unsolicited frame) */
952 msg->xid_info[0] = 0x81; /* XID format identifier */
953 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
954 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
955
d0709a65
JB		 956 skb->dev = sta->sdata->dev;
957 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 958 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 959 netif_rx_ni(skb);
4fd6931e
JB		 960}
961
d582cffb
JB		 962static int sta_apply_auth_flags(struct ieee80211_local *local,
963 struct sta_info *sta,
964 u32 mask, u32 set)
965{
966 int ret;
967
968 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
969 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
970 !test_sta_flag(sta, WLAN_STA_AUTH)) {
971 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
972 if (ret)
973 return ret;
974 }
975
976 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
977 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
978 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 979 /*
980 * When peer becomes associated, init rate control as
981 * well. Some drivers require rate control initialized
982 * before drv_sta_state() is called.
983 */
44674d9c 984 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
c23e31cf
MP		 985 rate_control_rate_init(sta);
986
d582cffb
JB		 987 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
988 if (ret)
989 return ret;
990 }
991
992 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
993 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
994 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
995 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
996 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
997 else
998 ret = 0;
999 if (ret)
1000 return ret;
1001 }
1002
1003 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1004 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1005 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1006 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1007 if (ret)
1008 return ret;
1009 }
1010
1011 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1012 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1013 test_sta_flag(sta, WLAN_STA_AUTH)) {
1014 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1015 if (ret)
1016 return ret;
1017 }
1018
1019 return 0;
1020}
1021
13657702
JB		 1022static void sta_apply_mesh_params(struct ieee80211_local *local,
1023 struct sta_info *sta,
1024 struct station_parameters *params)
1025{
1026#ifdef CONFIG_MAC80211_MESH
1027 struct ieee80211_sub_if_data *sdata = sta->sdata;
1028 u32 changed = 0;
1029
1030 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1031 switch (params->plink_state) {
1032 case NL80211_PLINK_ESTAB:
1033 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1034 changed = mesh_plink_inc_estab_count(sdata);
1035 sta->mesh->plink_state = params->plink_state;
1036
1037 ieee80211_mps_sta_status_update(sta);
1038 changed |= ieee80211_mps_set_sta_local_pm(sta,
1039 sdata->u.mesh.mshcfg.power_mode);
1040 break;
1041 case NL80211_PLINK_LISTEN:
1042 case NL80211_PLINK_BLOCKED:
1043 case NL80211_PLINK_OPN_SNT:
1044 case NL80211_PLINK_OPN_RCVD:
1045 case NL80211_PLINK_CNF_RCVD:
1046 case NL80211_PLINK_HOLDING:
1047 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1048 changed = mesh_plink_dec_estab_count(sdata);
1049 sta->mesh->plink_state = params->plink_state;
1050
1051 ieee80211_mps_sta_status_update(sta);
1052 changed |= ieee80211_mps_set_sta_local_pm(sta,
1053 NL80211_MESH_POWER_UNKNOWN);
1054 break;
1055 default:
1056 /* nothing */
1057 break;
1058 }
1059 }
1060
1061 switch (params->plink_action) {
1062 case NL80211_PLINK_ACTION_NO_ACTION:
1063 /* nothing */
1064 break;
1065 case NL80211_PLINK_ACTION_OPEN:
1066 changed |= mesh_plink_open(sta);
1067 break;
1068 case NL80211_PLINK_ACTION_BLOCK:
1069 changed |= mesh_plink_block(sta);
1070 break;
1071 }
1072
1073 if (params->local_pm)
1074 changed |= ieee80211_mps_set_sta_local_pm(sta,
1075 params->local_pm);
1076
1077 ieee80211_mbss_info_change_notify(sdata, changed);
1078#endif
1079}
1080
d9a7ddb0
JB		 1081static int sta_apply_parameters(struct ieee80211_local *local,
1082 struct sta_info *sta,
1083 struct station_parameters *params)
4fd6931e 1084{
d9a7ddb0 1085 int ret = 0;
8318d78a 1086 struct ieee80211_supported_band *sband;
d0709a65 1087 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1088 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1089 u32 mask, set;
4fd6931e 1090
55de908a 1091 sband = local->hw.wiphy->bands[band];
ae5eb026 1092
eccb8e8f
JB		 1093 mask = params->sta_flags_mask;
1094 set = params->sta_flags_set;
73651ee6 1095
d582cffb
JB		 1096 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1097 /*
1098 * In mesh mode, ASSOCIATED isn't part of the nl80211
1099 * API but must follow AUTHENTICATED for driver state.
1100 */
1101 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1102 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1103 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1104 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1105 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1106 /*
1107 * TDLS -- everything follows authorized, but
1108 * only becoming authorized is possible, not
1109 * going back
1110 */
1111 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1112 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1113 BIT(NL80211_STA_FLAG_ASSOCIATED);
1114 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1115 BIT(NL80211_STA_FLAG_ASSOCIATED);
1116 }
eccb8e8f 1117 }
4fd6931e 1118
2c44be81
JB		 1119 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1120 local->hw.queues >= IEEE80211_NUM_ACS)
1121 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1122
44674d9c
AB		 1123 /* auth flags will be set later for TDLS,
1124 * and for unassociated stations that move to assocaited */
1125 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1126 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1127 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
68885a54
AN		 1128 ret = sta_apply_auth_flags(local, sta, mask, set);
1129 if (ret)
1130 return ret;
1131 }
d9a7ddb0 1132
eccb8e8f 1133 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1134 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1135 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1136 else
1137 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1138 }
4fd6931e 1139
eccb8e8f 1140 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
93f0490e 1141 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1142 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1143 set_sta_flag(sta, WLAN_STA_MFP);
1144 else
1145 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1146 }
b39c48fa 1147
07ba55d7 1148 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1149 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1150 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1151 else
1152 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1153 }
4fd6931e 1154
9041c1fa
AN		 1155 /* mark TDLS channel switch support, if the AP allows it */
1156 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1157 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1158 params->ext_capab_len >= 4 &&
1159 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1160 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1161
b98fb44f 1162 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
82c0cc90 1163 !sdata->u.mgd.tdls_wider_bw_prohibited &&
b98fb44f
AN		 1164 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1165 params->ext_capab_len >= 8 &&
1166 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1167 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1168
3b9ce80c
JB		 1169 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1170 sta->sta.uapsd_queues = params->uapsd_queues;
1171 sta->sta.max_sp = params->max_sp;
1172 }
9533b4ac 1173
51b50fbe
JB		 1174 /*
1175 * cfg80211 validates this (1-2007) and allows setting the AID
1176 * only when creating a new station entry
1177 */
1178 if (params->aid)
1179 sta->sta.aid = params->aid;
1180
73651ee6 1181 /*
ba23d206
JB		 1182 * Some of the following updates would be racy if called on an
1183 * existing station, via ieee80211_change_station(). However,
1184 * all such changes are rejected by cfg80211 except for updates
1185 * changing the supported rates on an existing but not yet used
1186 * TDLS peer.
73651ee6
JB		 1187 */
1188
4fd6931e
JB		 1189 if (params->listen_interval >= 0)
1190 sta->listen_interval = params->listen_interval;
1191
1192 if (params->supported_rates) {
2103dec1
SW		 1193 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1194 sband, params->supported_rates,
1195 params->supported_rates_len,
1196 &sta->sta.supp_rates[band]);
4fd6931e 1197 }
c5dd9c2b 1198
d9fe60de 1199 if (params->ht_capa)
ef96a842 1200 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1201 params->ht_capa, sta);
36aedc90 1202
f461be3e
MP		 1203 if (params->vht_capa)
1204 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1205 params->vht_capa, sta);
f461be3e 1206
b1bce14a 1207 if (params->opmode_notif_used) {
b1bce14a
MK		 1208 /* returned value is only needed for rc update, but the
1209 * rc isn't initialized here yet, so ignore it
1210 */
1211 __ieee80211_vht_handle_opmode(sdata, sta,
1212 params->opmode_notif,
1213 band, false);
1214 }
1215
13657702
JB		 1216 if (ieee80211_vif_is_mesh(&sdata->vif))
1217 sta_apply_mesh_params(local, sta, params);
d9a7ddb0 1218
68885a54 1219 /* set the STA state after all sta info from usermode has been set */
44674d9c
AB		 1220 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1221 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
68885a54
AN		 1222 ret = sta_apply_auth_flags(local, sta, mask, set);
1223 if (ret)
1224 return ret;
1225 }
1226
d9a7ddb0 1227 return 0;
4fd6931e
JB		 1228}
1229
1230static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1231 const u8 *mac,
1232 struct station_parameters *params)
4fd6931e 1233{
14db74bc 1234 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1235 struct sta_info *sta;
1236 struct ieee80211_sub_if_data *sdata;
73651ee6 1237 int err;
b8d476c8 1238 int layer2_update;
4fd6931e 1239
4fd6931e
JB		 1240 if (params->vlan) {
1241 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1242
05c914fe
JB		 1243 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1244 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1245 return -EINVAL;
1246 } else
1247 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1248
b203ca39 1249 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1250 return -EINVAL;
1251
1252 if (is_multicast_ether_addr(mac))
1253 return -EINVAL;
1254
1255 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1256 if (!sta)
1257 return -ENOMEM;
4fd6931e 1258
d582cffb
JB		 1259 /*
1260 * defaults -- if userspace wants something else we'll
1261 * change it accordingly in sta_apply_parameters()
1262 */
44674d9c
AB		 1263 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
1264 !(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1265 BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
77ee7c89
JB		 1266 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1267 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1268 }
44674d9c
AB		 1269 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1270 sta->sta.tdls = true;
4fd6931e 1271
d9a7ddb0
JB		 1272 err = sta_apply_parameters(local, sta, params);
1273 if (err) {
1274 sta_info_free(local, sta);
1275 return err;
1276 }
4fd6931e 1277
d64cf63e 1278 /*
44674d9c
AB		 1279 * for TDLS and for unassociated station, rate control should be
1280 * initialized only when rates are known and station is marked
1281 * authorized/associated
d64cf63e 1282 */
44674d9c
AB		 1283 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1284 test_sta_flag(sta, WLAN_STA_ASSOC))
d64cf63e 1285 rate_control_rate_init(sta);
4fd6931e 1286
b8d476c8
JM		 1287 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1288 sdata->vif.type == NL80211_IFTYPE_AP;
1289
34e89507 1290 err = sta_info_insert_rcu(sta);
73651ee6 1291 if (err) {
73651ee6
JB		 1292 rcu_read_unlock();
1293 return err;
1294 }
1295
b8d476c8 1296 if (layer2_update)
73651ee6
JB		 1297 ieee80211_send_layer2_update(sta);
1298
1299 rcu_read_unlock();
1300
4fd6931e
JB		 1301 return 0;
1302}
1303
1304static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1305 struct station_del_parameters *params)
4fd6931e 1306{
14db74bc 1307 struct ieee80211_sub_if_data *sdata;
4fd6931e 1308
14db74bc
JB		 1309 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1310
89c771e5
JM		 1311 if (params->mac)
1312 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1313
b998e8bb 1314 sta_info_flush(sdata);
4fd6931e
JB		 1315 return 0;
1316}
1317
1318static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1319 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1320 struct station_parameters *params)
1321{
abe60632 1322 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1323 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1324 struct sta_info *sta;
1325 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1326 enum cfg80211_station_type statype;
35b88623 1327 int err;
4fd6931e 1328
87be1e1e 1329 mutex_lock(&local->sta_mtx);
98dd6a57 1330
0e5ded5a 1331 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1332 if (!sta) {
77ee7c89
JB		 1333 err = -ENOENT;
1334 goto out_err;
98dd6a57 1335 }
4fd6931e 1336
77ee7c89
JB		 1337 switch (sdata->vif.type) {
1338 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1339 if (sdata->u.mesh.user_mpm)
eef941e6 1340 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1341 else
eef941e6 1342 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1343 break;
1344 case NL80211_IFTYPE_ADHOC:
1345 statype = CFG80211_STA_IBSS;
1346 break;
1347 case NL80211_IFTYPE_STATION:
1348 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1349 statype = CFG80211_STA_AP_STA;
1350 break;
1351 }
1352 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1353 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1354 else
1355 statype = CFG80211_STA_TDLS_PEER_SETUP;
1356 break;
1357 case NL80211_IFTYPE_AP:
1358 case NL80211_IFTYPE_AP_VLAN:
44674d9c
AB		 1359 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1360 statype = CFG80211_STA_AP_CLIENT;
1361 else
1362 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
77ee7c89
JB		 1363 break;
1364 default:
1365 err = -EOPNOTSUPP;
1366 goto out_err;
bdd90d5e
JB		 1367 }
1368
77ee7c89
JB		 1369 err = cfg80211_check_station_change(wiphy, params, statype);
1370 if (err)
1371 goto out_err;
1372
d0709a65 1373 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1374 bool prev_4addr = false;
1375 bool new_4addr = false;
1376
4fd6931e
JB		 1377 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1378
9bc383de 1379 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1380 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1381 err = -EBUSY;
1382 goto out_err;
3305443c 1383 }
f14543ee 1384
cf778b00 1385 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1386 new_4addr = true;
1387 }
1388
1389 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1390 sta->sdata->u.vlan.sta) {
0c2bef46 1391 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1392 prev_4addr = true;
f14543ee
FF		 1393 }
1394
14db74bc 1395 sta->sdata = vlansdata;
464daaf0 1396 ieee80211_check_fast_xmit(sta);
7e3ed02c
FF		 1397
1398 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1399 prev_4addr != new_4addr) {
1400 if (new_4addr)
1401 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1402 else
1403 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1404 }
1405
4fd6931e
JB		 1406 ieee80211_send_layer2_update(sta);
1407 }
1408
35b88623 1409 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1410 if (err)
1411 goto out_err;
4fd6931e 1412
87be1e1e 1413 mutex_unlock(&local->sta_mtx);
98dd6a57 1414
687da132
EG		 1415 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1416 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1417 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1418 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1419 sta_info_tx_streams(sta) != 1) {
1420 ht_dbg(sta->sdata,
1421 "%pM just authorized and MIMO capable - update SMPS\n",
1422 sta->sta.addr);
1423 ieee80211_send_smps_action(sta->sdata,
1424 sta->sdata->bss->req_smps,
1425 sta->sta.addr,
1426 sta->sdata->vif.bss_conf.bssid);
1427 }
1428
808118cb 1429 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1430 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1431 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1432 ieee80211_recalc_ps_vif(sdata);
1433 }
77ee7c89 1434
4fd6931e 1435 return 0;
77ee7c89
JB		 1436out_err:
1437 mutex_unlock(&local->sta_mtx);
1438 return err;
4fd6931e
JB		 1439}
1440
c5dd9c2b
LCC		 1441#ifdef CONFIG_MAC80211_MESH
1442static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1443 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1444{
14db74bc 1445 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1446 struct mesh_path *mpath;
1447 struct sta_info *sta;
c5dd9c2b 1448
14db74bc
JB		 1449 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1450
d0709a65 1451 rcu_read_lock();
abe60632 1452 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1453 if (!sta) {
1454 rcu_read_unlock();
c5dd9c2b 1455 return -ENOENT;
d0709a65 1456 }
c5dd9c2b 1457
ae76eef0
BC		 1458 mpath = mesh_path_add(sdata, dst);
1459 if (IS_ERR(mpath)) {
d0709a65 1460 rcu_read_unlock();
ae76eef0 1461 return PTR_ERR(mpath);
d0709a65 1462 }
c5dd9c2b 1463
c5dd9c2b 1464 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1465
c5dd9c2b
LCC		 1466 rcu_read_unlock();
1467 return 0;
1468}
1469
1470static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1471 const u8 *dst)
c5dd9c2b 1472{
f698d856
JBG		 1473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1474
c5dd9c2b 1475 if (dst)
bf7cd94d 1476 return mesh_path_del(sdata, dst);
c5dd9c2b 1477
ece1a2e7 1478 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1479 return 0;
1480}
1481
3b3a0162
JB		 1482static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1483 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1484{
14db74bc 1485 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1486 struct mesh_path *mpath;
1487 struct sta_info *sta;
1488
14db74bc
JB		 1489 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1490
d0709a65
JB		 1491 rcu_read_lock();
1492
abe60632 1493 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1494 if (!sta) {
1495 rcu_read_unlock();
c5dd9c2b 1496 return -ENOENT;
d0709a65 1497 }
c5dd9c2b 1498
bf7cd94d 1499 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1500 if (!mpath) {
1501 rcu_read_unlock();
c5dd9c2b
LCC		 1502 return -ENOENT;
1503 }
1504
1505 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1506
c5dd9c2b
LCC		 1507 rcu_read_unlock();
1508 return 0;
1509}
1510
1511static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1512 struct mpath_info *pinfo)
1513{
a3836e02
JB		 1514 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1515
1516 if (next_hop_sta)
1517 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1518 else
c84a67a2 1519 eth_zero_addr(next_hop);
c5dd9c2b 1520
7ce8c7a3
LAYS		 1521 memset(pinfo, 0, sizeof(*pinfo));
1522
f5ea9120
JB		 1523 pinfo->generation = mesh_paths_generation;
1524
c5dd9c2b 1525 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1526 MPATH_INFO_SN |
c5dd9c2b
LCC		 1527 MPATH_INFO_METRIC |
1528 MPATH_INFO_EXPTIME |
1529 MPATH_INFO_DISCOVERY_TIMEOUT |
1530 MPATH_INFO_DISCOVERY_RETRIES |
1531 MPATH_INFO_FLAGS;
1532
1533 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1534 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1535 pinfo->metric = mpath->metric;
1536 if (time_before(jiffies, mpath->exp_time))
1537 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1538 pinfo->discovery_timeout =
1539 jiffies_to_msecs(mpath->discovery_timeout);
1540 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1541 if (mpath->flags & MESH_PATH_ACTIVE)
1542 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1543 if (mpath->flags & MESH_PATH_RESOLVING)
1544 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1545 if (mpath->flags & MESH_PATH_SN_VALID)
1546 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1547 if (mpath->flags & MESH_PATH_FIXED)
1548 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1549 if (mpath->flags & MESH_PATH_RESOLVED)
1550 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1551}
1552
1553static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1554 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1555
1556{
14db74bc 1557 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1558 struct mesh_path *mpath;
1559
14db74bc
JB		 1560 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1561
c5dd9c2b 1562 rcu_read_lock();
bf7cd94d 1563 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1564 if (!mpath) {
1565 rcu_read_unlock();
1566 return -ENOENT;
1567 }
1568 memcpy(dst, mpath->dst, ETH_ALEN);
1569 mpath_set_pinfo(mpath, next_hop, pinfo);
1570 rcu_read_unlock();
1571 return 0;
1572}
1573
1574static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1575 int idx, u8 *dst, u8 *next_hop,
1576 struct mpath_info *pinfo)
c5dd9c2b 1577{
14db74bc 1578 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1579 struct mesh_path *mpath;
1580
14db74bc
JB		 1581 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1582
c5dd9c2b 1583 rcu_read_lock();
bf7cd94d 1584 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1585 if (!mpath) {
1586 rcu_read_unlock();
1587 return -ENOENT;
1588 }
1589 memcpy(dst, mpath->dst, ETH_ALEN);
1590 mpath_set_pinfo(mpath, next_hop, pinfo);
1591 rcu_read_unlock();
1592 return 0;
1593}
93da9cc1 1594
a2db2ed3
HR		 1595static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1596 struct mpath_info *pinfo)
1597{
1598 memset(pinfo, 0, sizeof(*pinfo));
1599 memcpy(mpp, mpath->mpp, ETH_ALEN);
1600
1601 pinfo->generation = mpp_paths_generation;
1602}
1603
1604static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1605 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1606
1607{
1608 struct ieee80211_sub_if_data *sdata;
1609 struct mesh_path *mpath;
1610
1611 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1612
1613 rcu_read_lock();
1614 mpath = mpp_path_lookup(sdata, dst);
1615 if (!mpath) {
1616 rcu_read_unlock();
1617 return -ENOENT;
1618 }
1619 memcpy(dst, mpath->dst, ETH_ALEN);
1620 mpp_set_pinfo(mpath, mpp, pinfo);
1621 rcu_read_unlock();
1622 return 0;
1623}
1624
1625static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1626 int idx, u8 *dst, u8 *mpp,
1627 struct mpath_info *pinfo)
1628{
1629 struct ieee80211_sub_if_data *sdata;
1630 struct mesh_path *mpath;
1631
1632 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1633
1634 rcu_read_lock();
1635 mpath = mpp_path_lookup_by_idx(sdata, idx);
1636 if (!mpath) {
1637 rcu_read_unlock();
1638 return -ENOENT;
1639 }
1640 memcpy(dst, mpath->dst, ETH_ALEN);
1641 mpp_set_pinfo(mpath, mpp, pinfo);
1642 rcu_read_unlock();
1643 return 0;
1644}
1645
24bdd9f4 1646static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1647 struct net_device *dev,
1648 struct mesh_config *conf)
1649{
1650 struct ieee80211_sub_if_data *sdata;
1651 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1652
93da9cc1 1653 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1654 return 0;
1655}
1656
1657static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1658{
1659 return (mask >> (parm-1)) & 0x1;
1660}
1661
c80d545d
JC		 1662static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1663 const struct mesh_setup *setup)
1664{
1665 u8 *new_ie;
1666 const u8 *old_ie;
4bb62344
CYY		 1667 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1668 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1669
581a8b0f 1670 /* allocate information elements */
c80d545d 1671 new_ie = NULL;
581a8b0f 1672 old_ie = ifmsh->ie;
c80d545d 1673
581a8b0f
JC		 1674 if (setup->ie_len) {
1675 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1676 GFP_KERNEL);
1677 if (!new_ie)
1678 return -ENOMEM;
1679 }
581a8b0f
JC		 1680 ifmsh->ie_len = setup->ie_len;
1681 ifmsh->ie = new_ie;
1682 kfree(old_ie);
c80d545d
JC		 1683
1684 /* now copy the rest of the setup parameters */
1685 ifmsh->mesh_id_len = setup->mesh_id_len;
1686 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1687 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1688 ifmsh->mesh_pp_id = setup->path_sel_proto;
1689 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1690 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1691 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1692 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1693 if (setup->is_authenticated)
1694 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1695 if (setup->is_secure)
1696 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1697
4bb62344
CYY		 1698 /* mcast rate setting in Mesh Node */
1699 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1700 sizeof(setup->mcast_rate));
ffb3cf30 1701 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1702
9bdbf04d
MP		 1703 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1704 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1705
c80d545d
JC		 1706 return 0;
1707}
1708
24bdd9f4 1709static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1710 struct net_device *dev, u32 mask,
1711 const struct mesh_config *nconf)
93da9cc1 1712{
1713 struct mesh_config *conf;
1714 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1715 struct ieee80211_if_mesh *ifmsh;
1716
93da9cc1 1717 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1718 ifmsh = &sdata->u.mesh;
93da9cc1 1719
93da9cc1 1720 /* Set the config options which we are interested in setting */
1721 conf = &(sdata->u.mesh.mshcfg);
1722 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1723 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1724 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1725 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1726 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1727 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1728 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1729 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1730 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1731 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1733 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1734 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1735 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1736 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1737 if (ifmsh->user_mpm)
1738 return -EBUSY;
93da9cc1 1739 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1740 }
d299a1f2
JC		 1741 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1742 conf->dot11MeshNbrOffsetMaxNeighbor =
1743 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1744 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1745 conf->dot11MeshHWMPmaxPREQretries =
1746 nconf->dot11MeshHWMPmaxPREQretries;
1747 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1748 conf->path_refresh_time = nconf->path_refresh_time;
1749 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1750 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1751 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1752 conf->dot11MeshHWMPactivePathTimeout =
1753 nconf->dot11MeshHWMPactivePathTimeout;
1754 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1755 conf->dot11MeshHWMPpreqMinInterval =
1756 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1757 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1758 conf->dot11MeshHWMPperrMinInterval =
1759 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1760 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1761 mask))
1762 conf->dot11MeshHWMPnetDiameterTraversalTime =
1763 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1764 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1765 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1766 ieee80211_mesh_root_setup(ifmsh);
1767 }
16dd7267 1768 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1769 /* our current gate announcement implementation rides on root
1770 * announcements, so require this ifmsh to also be a root node
1771 * */
1772 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1773 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1774 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1775 ieee80211_mesh_root_setup(ifmsh);
1776 }
16dd7267
JC		 1777 conf->dot11MeshGateAnnouncementProtocol =
1778 nconf->dot11MeshGateAnnouncementProtocol;
1779 }
a4f606ea 1780 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1781 conf->dot11MeshHWMPRannInterval =
1782 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1783 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1784 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1785 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1786 /* our RSSI threshold implementation is supported only for
1787 * devices that report signal in dBm.
1788 */
30686bf7 1789 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
55335137
AN		 1790 return -ENOTSUPP;
1791 conf->rssi_threshold = nconf->rssi_threshold;
1792 }
70c33eaa
AN		 1793 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1794 conf->ht_opmode = nconf->ht_opmode;
1795 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1796 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1797 }
ac1073a6
CYY		 1798 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1799 conf->dot11MeshHWMPactivePathToRootTimeout =
1800 nconf->dot11MeshHWMPactivePathToRootTimeout;
1801 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1802 conf->dot11MeshHWMProotInterval =
1803 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1804 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1805 conf->dot11MeshHWMPconfirmationInterval =
1806 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1807 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1808 conf->power_mode = nconf->power_mode;
1809 ieee80211_mps_local_status_update(sdata);
1810 }
2b5e1967 1811 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1812 conf->dot11MeshAwakeWindowDuration =
1813 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1814 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1815 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1816 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1817 return 0;
1818}
1819
29cbe68c
JB		 1820static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1821 const struct mesh_config *conf,
1822 const struct mesh_setup *setup)
1823{
1824 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1825 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1826 int err;
29cbe68c 1827
c80d545d
JC		 1828 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1829 err = copy_mesh_setup(ifmsh, setup);
1830 if (err)
1831 return err;
cc1d2806 1832
04ecd257
JB		 1833 /* can mesh use other SMPS modes? */
1834 sdata->smps_mode = IEEE80211_SMPS_OFF;
1835 sdata->needed_rx_chains = sdata->local->rx_chains;
1836
34a3740d 1837 mutex_lock(&sdata->local->mtx);
4bf88530 1838 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1839 IEEE80211_CHANCTX_SHARED);
34a3740d 1840 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1841 if (err)
1842 return err;
1843
2b5e1967 1844 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1845}
1846
1847static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1848{
1849 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1850
1851 ieee80211_stop_mesh(sdata);
34a3740d 1852 mutex_lock(&sdata->local->mtx);
55de908a 1853 ieee80211_vif_release_channel(sdata);
34a3740d 1854 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1855
1856 return 0;
1857}
c5dd9c2b
LCC		 1858#endif
1859
9f1ba906
JM		 1860static int ieee80211_change_bss(struct wiphy *wiphy,
1861 struct net_device *dev,
1862 struct bss_parameters *params)
1863{
55de908a
JB		 1864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1865 enum ieee80211_band band;
9f1ba906
JM		 1866 u32 changed = 0;
1867
7ca133bc 1868 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1869 return -ENOENT;
1870
1871 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1872
9f1ba906 1873 if (params->use_cts_prot >= 0) {
bda3933a 1874 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1875 changed |= BSS_CHANGED_ERP_CTS_PROT;
1876 }
1877 if (params->use_short_preamble >= 0) {
bda3933a 1878 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1879 params->use_short_preamble;
1880 changed |= BSS_CHANGED_ERP_PREAMBLE;
1881 }
43d35343
FF		 1882
1883 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1884 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1885 sdata->vif.bss_conf.use_short_slot = true;
1886 changed |= BSS_CHANGED_ERP_SLOT;
1887 }
1888
9f1ba906 1889 if (params->use_short_slot_time >= 0) {
bda3933a 1890 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1891 params->use_short_slot_time;
1892 changed |= BSS_CHANGED_ERP_SLOT;
1893 }
1894
90c97a04 1895 if (params->basic_rates) {
2103dec1
SW		 1896 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1897 wiphy->bands[band],
1898 params->basic_rates,
1899 params->basic_rates_len,
1900 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1901 changed |= BSS_CHANGED_BASIC_RATES;
1902 }
1903
7b7b5e56
FF		 1904 if (params->ap_isolate >= 0) {
1905 if (params->ap_isolate)
1906 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1907 else
1908 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1909 }
1910
80d7e403
HS		 1911 if (params->ht_opmode >= 0) {
1912 sdata->vif.bss_conf.ht_operation_mode =
1913 (u16) params->ht_opmode;
1914 changed |= BSS_CHANGED_HT;
1915 }
1916
339afbf4 1917 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1918 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1919 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1920 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1921 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1922 changed |= BSS_CHANGED_P2P_PS;
1923 }
1924
67baf663
JD		 1925 if (params->p2p_opp_ps > 0) {
1926 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1927 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1928 changed |= BSS_CHANGED_P2P_PS;
1929 } else if (params->p2p_opp_ps == 0) {
1930 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1931 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1932 changed |= BSS_CHANGED_P2P_PS;
1933 }
1934
9f1ba906
JM		 1935 ieee80211_bss_info_change_notify(sdata, changed);
1936
1937 return 0;
1938}
1939
31888487 1940static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1941 struct net_device *dev,
31888487
JM		 1942 struct ieee80211_txq_params *params)
1943{
1944 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1945 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1946 struct ieee80211_tx_queue_params p;
1947
1948 if (!local->ops->conf_tx)
1949 return -EOPNOTSUPP;
1950
54bcbc69
JB		 1951 if (local->hw.queues < IEEE80211_NUM_ACS)
1952 return -EOPNOTSUPP;
1953
31888487
JM		 1954 memset(&p, 0, sizeof(p));
1955 p.aifs = params->aifs;
1956 p.cw_max = params->cwmax;
1957 p.cw_min = params->cwmin;
1958 p.txop = params->txop;
ab13315a
KV		 1959
1960 /*
1961 * Setting tx queue params disables u-apsd because it's only
1962 * called in master mode.
1963 */
1964 p.uapsd = false;
1965
a3304b0a
JB		 1966 sdata->tx_conf[params->ac] = p;
1967 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1968 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1969 "failed to set TX queue parameters for AC %d\n",
1970 params->ac);
31888487
JM		 1971 return -EINVAL;
1972 }
1973
7d25745d
JB		 1974 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1975
31888487
JM		 1976 return 0;
1977}
1978
665af4fc 1979#ifdef CONFIG_PM
ff1b6e69
JB		 1980static int ieee80211_suspend(struct wiphy *wiphy,
1981 struct cfg80211_wowlan *wowlan)
665af4fc 1982{
eecc4800 1983 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1984}
1985
1986static int ieee80211_resume(struct wiphy *wiphy)
1987{
1988 return __ieee80211_resume(wiphy_priv(wiphy));
1989}
1990#else
1991#define ieee80211_suspend NULL
1992#define ieee80211_resume NULL
1993#endif
1994
2a519311 1995static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1996 struct cfg80211_scan_request *req)
1997{
fd014284
JB		 1998 struct ieee80211_sub_if_data *sdata;
1999
2000 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2001
2ca27bcf
JB		 2002 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2003 case NL80211_IFTYPE_STATION:
2004 case NL80211_IFTYPE_ADHOC:
2005 case NL80211_IFTYPE_MESH_POINT:
2006 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2007 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2008 break;
2009 case NL80211_IFTYPE_P2P_GO:
2010 if (sdata->local->ops->hw_scan)
2011 break;
e9d7732e
JB		 2012 /*
2013 * FIXME: implement NoA while scanning in software,
2014 * for now fall through to allow scanning only when
2015 * beaconing hasn't been configured yet
2016 */
2ca27bcf 2017 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2018 /*
2019 * If the scan has been forced (and the driver supports
2020 * forcing), don't care about being beaconing already.
2021 * This will create problems to the attached stations (e.g. all
2022 * the frames sent while scanning on other channel will be
2023 * lost)
2024 */
2025 if (sdata->u.ap.beacon &&
2026 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2027 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2028 return -EOPNOTSUPP;
2029 break;
2030 default:
2031 return -EOPNOTSUPP;
2032 }
2a519311
JB		 2033
2034 return ieee80211_request_scan(sdata, req);
2035}
2036
79f460ca
LC		 2037static int
2038ieee80211_sched_scan_start(struct wiphy *wiphy,
2039 struct net_device *dev,
2040 struct cfg80211_sched_scan_request *req)
2041{
2042 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2043
2044 if (!sdata->local->ops->sched_scan_start)
2045 return -EOPNOTSUPP;
2046
2047 return ieee80211_request_sched_scan_start(sdata, req);
2048}
2049
2050static int
85a9994a 2051ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2052{
2053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2054
2055 if (!sdata->local->ops->sched_scan_stop)
2056 return -EOPNOTSUPP;
2057
85a9994a 2058 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2059}
2060
636a5d36
JM		 2061static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2062 struct cfg80211_auth_request *req)
2063{
77fdaa12 2064 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2065}
2066
2067static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2068 struct cfg80211_assoc_request *req)
2069{
77fdaa12 2070 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2071}
2072
2073static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2074 struct cfg80211_deauth_request *req)
636a5d36 2075{
63c9c5e7 2076 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2077}
2078
2079static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2080 struct cfg80211_disassoc_request *req)
636a5d36 2081{
63c9c5e7 2082 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2083}
2084
af8cdcd8
JB		 2085static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2086 struct cfg80211_ibss_params *params)
2087{
55de908a 2088 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2089}
2090
2091static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2092{
55de908a 2093 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2094}
2095
239281f8
RL		 2096static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2097 struct ocb_setup *setup)
2098{
2099 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2100}
2101
2102static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2103{
2104 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2105}
2106
391e53e3
AQ		 2107static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2108 int rate[IEEE80211_NUM_BANDS])
2109{
2110 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2111
9887dbf5
CD		 2112 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2113 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2114
2115 return 0;
2116}
2117
b9a5f8ca
JM		 2118static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2119{
2120 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2121 int err;
b9a5f8ca 2122
f23a4780 2123 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2124 ieee80211_check_fast_xmit_all(local);
2125
f23a4780
AN		 2126 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2127
17c18bf8
JB		 2128 if (err) {
2129 ieee80211_check_fast_xmit_all(local);
f23a4780 2130 return err;
17c18bf8 2131 }
f23a4780
AN		 2132 }
2133
a4bcaf55
LB		 2134 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2135 (changed & WIPHY_PARAM_DYN_ACK)) {
2136 s16 coverage_class;
2137
2138 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2139 wiphy->coverage_class : -1;
2140 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2141
2142 if (err)
2143 return err;
2144 }
2145
b9a5f8ca 2146 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2147 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2148
24487981
JB		 2149 if (err)
2150 return err;
b9a5f8ca
JM		 2151 }
2152
8bc83c24
JB		 2153 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2154 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2155 return -EINVAL;
b9a5f8ca 2156 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2157 }
2158 if (changed & WIPHY_PARAM_RETRY_LONG) {
2159 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2160 return -EINVAL;
b9a5f8ca 2161 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2162 }
b9a5f8ca
JM		 2163 if (changed &
2164 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2165 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2166
2167 return 0;
2168}
2169
7643a2c3 2170static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2171 struct wireless_dev *wdev,
fa61cf70 2172 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2173{
2174 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2175 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2176 enum nl80211_tx_power_setting txp_type = type;
2177 bool update_txp_type = false;
7643a2c3 2178
1ea6f9c0
JB		 2179 if (wdev) {
2180 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2181
2182 switch (type) {
2183 case NL80211_TX_POWER_AUTOMATIC:
2184 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2185 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2186 break;
2187 case NL80211_TX_POWER_LIMITED:
2188 case NL80211_TX_POWER_FIXED:
2189 if (mbm < 0 || (mbm % 100))
2190 return -EOPNOTSUPP;
2191 sdata->user_power_level = MBM_TO_DBM(mbm);
2192 break;
2193 }
2194
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 }
2199
2200 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2201
2202 return 0;
2203 }
55de908a 2204
7643a2c3 2205 switch (type) {
fa61cf70 2206 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2207 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2208 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2209 break;
fa61cf70 2210 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2211 case NL80211_TX_POWER_FIXED:
2212 if (mbm < 0 || (mbm % 100))
2213 return -EOPNOTSUPP;
fa61cf70 2214 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2215 break;
7643a2c3
JB		 2216 }
2217
1ea6f9c0 2218 mutex_lock(&local->iflist_mtx);
db82d8a9 2219 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2220 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2221 if (txp_type != sdata->vif.bss_conf.txpower_type)
2222 update_txp_type = true;
2223 sdata->vif.bss_conf.txpower_type = txp_type;
2224 }
1ea6f9c0 2225 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2226 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2227 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2228
2229 return 0;
2230}
2231
c8442118
JB		 2232static int ieee80211_get_tx_power(struct wiphy *wiphy,
2233 struct wireless_dev *wdev,
2234 int *dbm)
7643a2c3
JB		 2235{
2236 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2237 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2238
5b3dc42b
FF		 2239 if (local->ops->get_txpower)
2240 return drv_get_txpower(local, sdata, dbm);
2241
1ea6f9c0
JB		 2242 if (!local->use_chanctx)
2243 *dbm = local->hw.conf.power_level;
2244 else
2245 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2246
7643a2c3
JB		 2247 return 0;
2248}
2249
ab737a4f 2250static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2251 const u8 *addr)
ab737a4f
JB		 2252{
2253 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2254
2255 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2256
2257 return 0;
2258}
2259
1f87f7d3
JB		 2260static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2261{
2262 struct ieee80211_local *local = wiphy_priv(wiphy);
2263
2264 drv_rfkill_poll(local);
2265}
2266
aff89a9b 2267#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2268static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2269 struct wireless_dev *wdev,
2270 void *data, int len)
aff89a9b
JB		 2271{
2272 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2273 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2274
2275 if (!local->ops->testmode_cmd)
2276 return -EOPNOTSUPP;
2277
52981cd7
DS		 2278 if (wdev) {
2279 struct ieee80211_sub_if_data *sdata;
2280
2281 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2282 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2283 vif = &sdata->vif;
2284 }
2285
2286 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2287}
71063f0e
WYG		 2288
2289static int ieee80211_testmode_dump(struct wiphy *wiphy,
2290 struct sk_buff *skb,
2291 struct netlink_callback *cb,
2292 void *data, int len)
2293{
2294 struct ieee80211_local *local = wiphy_priv(wiphy);
2295
2296 if (!local->ops->testmode_dump)
2297 return -EOPNOTSUPP;
2298
2299 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2300}
aff89a9b
JB		 2301#endif
2302
687da132
EG		 2303int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2304 enum ieee80211_smps_mode smps_mode)
2305{
2306 struct sta_info *sta;
2307 enum ieee80211_smps_mode old_req;
687da132
EG		 2308
2309 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2310 return -EINVAL;
2311
2312 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2313 return 0;
2314
2315 old_req = sdata->u.ap.req_smps;
2316 sdata->u.ap.req_smps = smps_mode;
2317
2318 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2319 if (old_req == smps_mode ||
2320 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2321 return 0;
2322
2323 /* If no associated stations, there's no need to do anything */
2324 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2325 sdata->smps_mode = smps_mode;
2326 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2327 return 0;
2328 }
2329
2330 ht_dbg(sdata,
6a8b4adb 2331 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2332 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2333
2334 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2335 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2336 /*
2337 * Only stations associated to our AP and
2338 * associated VLANs
2339 */
2340 if (sta->sdata->bss != &sdata->u.ap)
2341 continue;
687da132 2342
7d9bb2f0
JB		 2343 /* This station doesn't support MIMO - skip it */
2344 if (sta_info_tx_streams(sta) == 1)
2345 continue;
687da132 2346
7d9bb2f0
JB		 2347 /*
2348 * Don't wake up a STA just to send the action frame
2349 * unless we are getting more restrictive.
2350 */
2351 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2352 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2353 smps_mode)) {
2354 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2355 sta->sta.addr);
2356 continue;
2357 }
687da132 2358
7d9bb2f0
JB		 2359 /*
2360 * If the STA is not authorized, wait until it gets
2361 * authorized and the action frame will be sent then.
2362 */
2363 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2364 continue;
687da132 2365
7d9bb2f0
JB		 2366 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2367 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2368 sdata->vif.bss_conf.bssid);
687da132
EG		 2369 }
2370 mutex_unlock(&sdata->local->sta_mtx);
2371
2372 sdata->smps_mode = smps_mode;
2373 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2374
2375 return 0;
2376}
2377
2378int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2379 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2380{
2381 const u8 *ap;
2382 enum ieee80211_smps_mode old_req;
2383 int err;
d51c2ea3
AN		 2384 struct sta_info *sta;
2385 bool tdls_peer_found = false;
0f78231b 2386
8d61ffa5 2387 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2388
687da132
EG		 2389 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2390 return -EINVAL;
2391
0f78231b
JB		 2392 old_req = sdata->u.mgd.req_smps;
2393 sdata->u.mgd.req_smps = smps_mode;
2394
2395 if (old_req == smps_mode &&
2396 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2397 return 0;
2398
2399 /*
2400 * If not associated, or current association is not an HT
04ecd257
JB		 2401 * association, there's no need to do anything, just store
2402 * the new value until we associate.
0f78231b
JB		 2403 */
2404 if (!sdata->u.mgd.associated ||
4bf88530 2405 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2406 return 0;
0f78231b 2407
0c1ad2ca 2408 ap = sdata->u.mgd.associated->bssid;
0f78231b 2409
d51c2ea3
AN		 2410 rcu_read_lock();
2411 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2412 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2413 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2414 continue;
2415
2416 tdls_peer_found = true;
2417 break;
2418 }
2419 rcu_read_unlock();
2420
0f78231b 2421 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
d51c2ea3 2422 if (tdls_peer_found || !sdata->u.mgd.powersave)
0f78231b 2423 smps_mode = IEEE80211_SMPS_OFF;
d51c2ea3
AN		 2424 else
2425 smps_mode = IEEE80211_SMPS_DYNAMIC;
0f78231b
JB		 2426 }
2427
2428 /* send SM PS frame to AP */
2429 err = ieee80211_send_smps_action(sdata, smps_mode,
2430 ap, ap);
2431 if (err)
2432 sdata->u.mgd.req_smps = old_req;
d51c2ea3
AN		 2433 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2434 ieee80211_teardown_tdls_peers(sdata);
0f78231b
JB		 2435
2436 return err;
2437}
2438
bc92afd9
JB		 2439static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2440 bool enabled, int timeout)
2441{
2442 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2443 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2444
2d3db210 2445 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2446 return -EOPNOTSUPP;
2447
30686bf7 2448 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
bc92afd9
JB		 2449 return -EOPNOTSUPP;
2450
2451 if (enabled == sdata->u.mgd.powersave &&
ff616381 2452 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2453 return 0;
2454
2455 sdata->u.mgd.powersave = enabled;
ff616381 2456 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2457
0f78231b 2458 /* no change, but if automatic follow powersave */
ed405be5 2459 sdata_lock(sdata);
687da132 2460 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2461 sdata_unlock(sdata);
0f78231b 2462
30686bf7 2463 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
bc92afd9
JB		 2464 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2465
2466 ieee80211_recalc_ps(local, -1);
ab095877 2467 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2468
2469 return 0;
2470}
2471
a97c13c3
JO		 2472static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2473 struct net_device *dev,
2474 s32 rssi_thold, u32 rssi_hyst)
2475{
2476 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2477 struct ieee80211_vif *vif = &sdata->vif;
2478 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2479
a97c13c3
JO		 2480 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2481 rssi_hyst == bss_conf->cqm_rssi_hyst)
2482 return 0;
2483
ef9be10c
JB		 2484 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2485 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2486 return -EOPNOTSUPP;
2487
a97c13c3
JO		 2488 bss_conf->cqm_rssi_thold = rssi_thold;
2489 bss_conf->cqm_rssi_hyst = rssi_hyst;
babc305e 2490 sdata->u.mgd.last_cqm_event_signal = 0;
a97c13c3
JO		 2491
2492 /* tell the driver upon association, unless already associated */
ea086359
JB		 2493 if (sdata->u.mgd.associated &&
2494 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2495 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2496
2497 return 0;
2498}
2499
9930380f
JB		 2500static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2501 struct net_device *dev,
2502 const u8 *addr,
2503 const struct cfg80211_bitrate_mask *mask)
2504{
2505 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2506 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2507 int i, ret;
2c7e6bc9 2508
554a43d5
EP		 2509 if (!ieee80211_sdata_running(sdata))
2510 return -ENETDOWN;
2511
30686bf7 2512 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
bdbfd6b5
SM		 2513 ret = drv_set_bitrate_mask(local, sdata, mask);
2514 if (ret)
2515 return ret;
2516 }
9930380f 2517
19468413 2518 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2519 struct ieee80211_supported_band *sband = wiphy->bands[i];
2520 int j;
2521
37eb0b16 2522 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2523 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2524 sizeof(mask->control[i].ht_mcs));
b119ad6e
LB		 2525 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2526 mask->control[i].vht_mcs,
2527 sizeof(mask->control[i].vht_mcs));
2ffbe6d3
FF		 2528
2529 sdata->rc_has_mcs_mask[i] = false;
b119ad6e 2530 sdata->rc_has_vht_mcs_mask[i] = false;
2ffbe6d3
FF		 2531 if (!sband)
2532 continue;
2533
b119ad6e 2534 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2df1b131 2535 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2ffbe6d3 2536 sdata->rc_has_mcs_mask[i] = true;
2df1b131
JB		 2537 break;
2538 }
2539 }
b119ad6e 2540
2df1b131
JB		 2541 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2542 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
b119ad6e 2543 sdata->rc_has_vht_mcs_mask[i] = true;
2ffbe6d3 2544 break;
2df1b131 2545 }
b119ad6e 2546 }
19468413 2547 }
9930380f 2548
37eb0b16 2549 return 0;
9930380f
JB		 2550}
2551
eaa336b0
EP		 2552static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2553 struct ieee80211_roc_work *new_roc,
2554 struct ieee80211_roc_work *cur_roc)
2555{
252ec2b3
JB		 2556 unsigned long now = jiffies;
2557 unsigned long remaining = cur_roc->hw_start_time +
2558 msecs_to_jiffies(cur_roc->duration) -
2559 now;
eaa336b0
EP		 2560
2561 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2562 return false;
2563
252ec2b3
JB		 2564 /* if it doesn't fit entirely, schedule a new one */
2565 if (new_roc->duration > jiffies_to_msecs(remaining))
eaa336b0
EP		 2566 return false;
2567
2568 ieee80211_handle_roc_started(new_roc);
2569
252ec2b3
JB		 2570 /* add to dependents so we send the expired event properly */
2571 list_add_tail(&new_roc->list, &cur_roc->dependents);
eaa336b0
EP		 2572 return true;
2573}
2574
3b79af97
JB		 2575static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
2576{
2577 lockdep_assert_held(&local->mtx);
2578
2579 local->roc_cookie_counter++;
2580
2581 /* wow, you wrapped 64 bits ... more likely a bug */
2582 if (WARN_ON(local->roc_cookie_counter == 0))
2583 local->roc_cookie_counter++;
2584
2585 return local->roc_cookie_counter;
2586}
2587
2eb278e0
JB		 2588static int ieee80211_start_roc_work(struct ieee80211_local *local,
2589 struct ieee80211_sub_if_data *sdata,
2590 struct ieee80211_channel *channel,
2eb278e0 2591 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2592 struct sk_buff *txskb,
2593 enum ieee80211_roc_type type)
2eb278e0
JB		 2594{
2595 struct ieee80211_roc_work *roc, *tmp;
2596 bool queued = false;
21f83589 2597 int ret;
21f83589
JB		 2598
2599 lockdep_assert_held(&local->mtx);
2600
fe57d9f5
JB		 2601 if (local->use_chanctx && !local->ops->remain_on_channel)
2602 return -EOPNOTSUPP;
2603
2eb278e0
JB		 2604 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2605 if (!roc)
2606 return -ENOMEM;
2607
2fae062e
IP		 2608 /*
2609 * If the duration is zero, then the driver
2610 * wouldn't actually do anything. Set it to
2611 * 10 for now.
2612 *
2613 * TODO: cancel the off-channel operation
2614 * when we get the SKB's TX status and
2615 * the wait time was zero before.
2616 */
2617 if (!duration)
2618 duration = 10;
2619
2eb278e0 2620 roc->chan = channel;
2eb278e0
JB		 2621 roc->duration = duration;
2622 roc->req_duration = duration;
2623 roc->frame = txskb;
d339d5ca 2624 roc->type = type;
2eb278e0
JB		 2625 roc->sdata = sdata;
2626 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2627 INIT_LIST_HEAD(&roc->dependents);
2628
2f617435
EP		 2629 /*
2630 * cookie is either the roc cookie (for normal roc)
2631 * or the SKB (for mgmt TX)
2632 */
2633 if (!txskb) {
3b79af97 2634 roc->cookie = ieee80211_mgmt_tx_cookie(local);
2f617435
EP		 2635 *cookie = roc->cookie;
2636 } else {
3b79af97 2637 roc->mgmt_tx_cookie = *cookie;
2f617435
EP		 2638 }
2639
2eb278e0 2640 /* if there's one pending or we're scanning, queue this one */
164eb02d 2641 if (!list_empty(&local->roc_list) ||
5cbc95a7 2642 local->scanning || ieee80211_is_radar_required(local))
2eb278e0
JB		 2643 goto out_check_combine;
2644
2645 /* if not HW assist, just queue & schedule work */
2646 if (!local->ops->remain_on_channel) {
2647 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2648 goto out_queue;
2649 }
2650
2651 /* otherwise actually kick it off here (for error handling) */
2652
d339d5ca 2653 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2654 if (ret) {
2eb278e0
JB		 2655 kfree(roc);
2656 return ret;
21f83589
JB		 2657 }
2658
2eb278e0
JB		 2659 roc->started = true;
2660 goto out_queue;
2661
2662 out_check_combine:
2663 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2664 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2665 continue;
2666
2667 /*
2668 * Extend this ROC if possible:
2669 *
2670 * If it hasn't started yet, just increase the duration
2671 * and add the new one to the list of dependents.
d339d5ca
IP		 2672 * If the type of the new ROC has higher priority, modify the
2673 * type of the previous one to match that of the new one.
2eb278e0
JB		 2674 */
2675 if (!tmp->started) {
2676 list_add_tail(&roc->list, &tmp->dependents);
2677 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2678 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2679 queued = true;
2680 break;
2681 }
2682
2683 /* If it has already started, it's more difficult ... */
2684 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2685 /*
2686 * In the offloaded ROC case, if it hasn't begun, add
2687 * this new one to the dependent list to be handled
d339d5ca 2688 * when the master one begins. If it has begun,
252ec2b3
JB		 2689 * check if it fits entirely within the existing one,
2690 * in which case it will just be dependent as well.
2691 * Otherwise, schedule it by itself.
2eb278e0
JB		 2692 */
2693 if (!tmp->hw_begun) {
2694 list_add_tail(&roc->list, &tmp->dependents);
2695 queued = true;
2696 break;
2697 }
2698
eaa336b0 2699 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2700 queued = true;
2eb278e0
JB		 2701 } else if (del_timer_sync(&tmp->work.timer)) {
2702 unsigned long new_end;
2703
2704 /*
2705 * In the software ROC case, cancel the timer, if
2706 * that fails then the finish work is already
2707 * queued/pending and thus we queue the new ROC
2708 * normally, if that succeeds then we can extend
2709 * the timer duration and TX the frame (if any.)
2710 */
2711
2712 list_add_tail(&roc->list, &tmp->dependents);
2713 queued = true;
2714
2715 new_end = jiffies + msecs_to_jiffies(roc->duration);
2716
2717 /* ok, it was started & we canceled timer */
2718 if (time_after(new_end, tmp->work.timer.expires))
2719 mod_timer(&tmp->work.timer, new_end);
2720 else
2721 add_timer(&tmp->work.timer);
2722
2723 ieee80211_handle_roc_started(roc);
2724 }
2725 break;
2726 }
2727
2728 out_queue:
2729 if (!queued)
2730 list_add_tail(&roc->list, &local->roc_list);
2731
2eb278e0 2732 return 0;
21f83589
JB		 2733}
2734
b8bc4b0a 2735static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2736 struct wireless_dev *wdev,
b8bc4b0a 2737 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2738 unsigned int duration,
2739 u64 *cookie)
2740{
71bbc994 2741 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2742 struct ieee80211_local *local = sdata->local;
2eb278e0 2743 int ret;
21f83589 2744
2eb278e0 2745 mutex_lock(&local->mtx);
42d97a59 2746 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2747 duration, cookie, NULL,
2748 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2749 mutex_unlock(&local->mtx);
b8bc4b0a 2750
2eb278e0 2751 return ret;
b8bc4b0a
JB		 2752}
2753
2eb278e0
JB		 2754static int ieee80211_cancel_roc(struct ieee80211_local *local,
2755 u64 cookie, bool mgmt_tx)
21f83589 2756{
2eb278e0 2757 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2758 int ret;
2759
2eb278e0
JB		 2760 mutex_lock(&local->mtx);
2761 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2762 struct ieee80211_roc_work *dep, *tmp2;
2763
2764 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2765 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2766 continue;
2767 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2768 continue;
2769 /* found dependent item -- just remove it */
2770 list_del(&dep->list);
2771 mutex_unlock(&local->mtx);
2772
3fbd45ca 2773 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2774 return 0;
2775 }
2776
50febf6a 2777 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2778 continue;
2779 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2780 continue;
21f83589 2781
2eb278e0
JB		 2782 found = roc;
2783 break;
2784 }
21f83589 2785
2eb278e0
JB		 2786 if (!found) {
2787 mutex_unlock(&local->mtx);
2788 return -ENOENT;
2789 }
21f83589 2790
e979e33c
JB		 2791 /*
2792 * We found the item to cancel, so do that. Note that it
2793 * may have dependents, which we also cancel (and send
2794 * the expired signal for.) Not doing so would be quite
2795 * tricky here, but we may need to fix it later.
2796 */
2797
2eb278e0
JB		 2798 if (local->ops->remain_on_channel) {
2799 if (found->started) {
2800 ret = drv_cancel_remain_on_channel(local);
2801 if (WARN_ON_ONCE(ret)) {
2802 mutex_unlock(&local->mtx);
2803 return ret;
2804 }
2805 }
21f83589 2806
2eb278e0 2807 list_del(&found->list);
21f83589 2808
0f6b3f59
JB		 2809 if (found->started)
2810 ieee80211_start_next_roc(local);
2eb278e0 2811 mutex_unlock(&local->mtx);
21f83589 2812
3fbd45ca 2813 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2814 } else {
2815 /* work may be pending so use it all the time */
2816 found->abort = true;
2817 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2818
21f83589
JB		 2819 mutex_unlock(&local->mtx);
2820
2eb278e0
JB		 2821 /* work will clean up etc */
2822 flush_delayed_work(&found->work);
3fbd45ca
JB		 2823 WARN_ON(!found->to_be_freed);
2824 kfree(found);
21f83589 2825 }
b8bc4b0a 2826
2eb278e0 2827 return 0;
b8bc4b0a
JB		 2828}
2829
2eb278e0 2830static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2831 struct wireless_dev *wdev,
2eb278e0 2832 u64 cookie)
f30221e4 2833{
71bbc994 2834 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2835 struct ieee80211_local *local = sdata->local;
f30221e4 2836
2eb278e0 2837 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2838}
2839
164eb02d
SW		 2840static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2841 struct net_device *dev,
31559f35
JD		 2842 struct cfg80211_chan_def *chandef,
2843 u32 cac_time_ms)
164eb02d
SW		 2844{
2845 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2846 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2847 int err;
2848
34a3740d
JB		 2849 mutex_lock(&local->mtx);
2850 if (!list_empty(&local->roc_list) || local->scanning) {
2851 err = -EBUSY;
2852 goto out_unlock;
2853 }
164eb02d
SW		 2854
2855 /* whatever, but channel contexts should not complain about that one */
2856 sdata->smps_mode = IEEE80211_SMPS_OFF;
2857 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2858
164eb02d
SW		 2859 err = ieee80211_vif_use_channel(sdata, chandef,
2860 IEEE80211_CHANCTX_SHARED);
164eb02d 2861 if (err)
34a3740d 2862 goto out_unlock;
164eb02d 2863
164eb02d 2864 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2865 &sdata->dfs_cac_timer_work,
2866 msecs_to_jiffies(cac_time_ms));
164eb02d 2867
34a3740d
JB		 2868 out_unlock:
2869 mutex_unlock(&local->mtx);
2870 return err;
164eb02d
SW		 2871}
2872
73da7d5b
SW		 2873static struct cfg80211_beacon_data *
2874cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2875{
2876 struct cfg80211_beacon_data *new_beacon;
2877 u8 *pos;
2878 int len;
2879
2880 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2881 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2882 beacon->probe_resp_len;
2883
2884 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2885 if (!new_beacon)
2886 return NULL;
2887
2888 pos = (u8 *)(new_beacon + 1);
2889 if (beacon->head_len) {
2890 new_beacon->head_len = beacon->head_len;
2891 new_beacon->head = pos;
2892 memcpy(pos, beacon->head, beacon->head_len);
2893 pos += beacon->head_len;
2894 }
2895 if (beacon->tail_len) {
2896 new_beacon->tail_len = beacon->tail_len;
2897 new_beacon->tail = pos;
2898 memcpy(pos, beacon->tail, beacon->tail_len);
2899 pos += beacon->tail_len;
2900 }
2901 if (beacon->beacon_ies_len) {
2902 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2903 new_beacon->beacon_ies = pos;
2904 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2905 pos += beacon->beacon_ies_len;
2906 }
2907 if (beacon->proberesp_ies_len) {
2908 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2909 new_beacon->proberesp_ies = pos;
2910 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2911 pos += beacon->proberesp_ies_len;
2912 }
2913 if (beacon->assocresp_ies_len) {
2914 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2915 new_beacon->assocresp_ies = pos;
2916 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2917 pos += beacon->assocresp_ies_len;
2918 }
2919 if (beacon->probe_resp_len) {
2920 new_beacon->probe_resp_len = beacon->probe_resp_len;
2921 beacon->probe_resp = pos;
2922 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2923 pos += beacon->probe_resp_len;
2924 }
2925
2926 return new_beacon;
2927}
2928
66e01cf9 2929void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2930{
66e01cf9 2931 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2932
66e01cf9
LC		 2933 ieee80211_queue_work(&sdata->local->hw,
2934 &sdata->csa_finalize_work);
2935}
2936EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2937
66199506
MK		 2938static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2939 u32 *changed)
66e01cf9 2940{
66199506 2941 int err;
7578d575 2942
cd7760e6
SW		 2943 switch (sdata->vif.type) {
2944 case NL80211_IFTYPE_AP:
af296bdb
MK		 2945 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2946 NULL);
97518af1
MK		 2947 kfree(sdata->u.ap.next_beacon);
2948 sdata->u.ap.next_beacon = NULL;
2949
cd7760e6 2950 if (err < 0)
66199506
MK		 2951 return err;
2952 *changed |= err;
cd7760e6
SW		 2953 break;
2954 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2955 err = ieee80211_ibss_finish_csa(sdata);
2956 if (err < 0)
66199506
MK		 2957 return err;
2958 *changed |= err;
cd7760e6 2959 break;
b8456a14
CYY		 2960#ifdef CONFIG_MAC80211_MESH
2961 case NL80211_IFTYPE_MESH_POINT:
2962 err = ieee80211_mesh_finish_csa(sdata);
2963 if (err < 0)
66199506
MK		 2964 return err;
2965 *changed |= err;
b8456a14
CYY		 2966 break;
2967#endif
cd7760e6
SW		 2968 default:
2969 WARN_ON(1);
66199506
MK		 2970 return -EINVAL;
2971 }
2972
2973 return 0;
2974}
2975
cf8767dd 2976static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2977{
2978 struct ieee80211_local *local = sdata->local;
2979 u32 changed = 0;
2980 int err;
2981
2982 sdata_assert_lock(sdata);
2983 lockdep_assert_held(&local->mtx);
03078de4 2984 lockdep_assert_held(&local->chanctx_mtx);
66199506 2985
03078de4
MK		 2986 /*
2987 * using reservation isn't immediate as it may be deferred until later
2988 * with multi-vif. once reservation is complete it will re-schedule the
2989 * work with no reserved_chanctx so verify chandef to check if it
2990 * completed successfully
2991 */
66199506 2992
03078de4
MK		 2993 if (sdata->reserved_chanctx) {
2994 /*
2995 * with multi-vif csa driver may call ieee80211_csa_finish()
2996 * many times while waiting for other interfaces to use their
2997 * reservations
2998 */
2999 if (sdata->reserved_ready)
3000 return 0;
3001
408b18ab 3002 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 3003 }
73da7d5b 3004
03078de4
MK		 3005 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3006 &sdata->csa_chandef))
3007 return -EINVAL;
3008
66199506
MK		 3009 sdata->vif.csa_active = false;
3010
3011 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3012 if (err)
cf8767dd 3013 return err;
faf046e7 3014
66199506 3015 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 3016
a46992b4
LC		 3017 if (sdata->csa_block_tx) {
3018 ieee80211_wake_vif_queues(local, sdata,
3019 IEEE80211_QUEUE_STOP_REASON_CSA);
3020 sdata->csa_block_tx = false;
3021 }
cf8767dd 3022
f1d65583
LC		 3023 err = drv_post_channel_switch(sdata);
3024 if (err)
3025 return err;
3026
3027 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3028
cf8767dd
MK		 3029 return 0;
3030}
3031
3032static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3033{
3034 if (__ieee80211_csa_finalize(sdata)) {
3035 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3036 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3037 GFP_KERNEL);
3038 }
66e01cf9
LC		 3039}
3040
3041void ieee80211_csa_finalize_work(struct work_struct *work)
3042{
3043 struct ieee80211_sub_if_data *sdata =
3044 container_of(work, struct ieee80211_sub_if_data,
3045 csa_finalize_work);
59af6928 3046 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3047
3048 sdata_lock(sdata);
59af6928 3049 mutex_lock(&local->mtx);
03078de4 3050 mutex_lock(&local->chanctx_mtx);
59af6928 3051
66e01cf9
LC		 3052 /* AP might have been stopped while waiting for the lock. */
3053 if (!sdata->vif.csa_active)
3054 goto unlock;
3055
3056 if (!ieee80211_sdata_running(sdata))
3057 goto unlock;
3058
3059 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3060
3061unlock:
03078de4 3062 mutex_unlock(&local->chanctx_mtx);
59af6928 3063 mutex_unlock(&local->mtx);
e487eaeb 3064 sdata_unlock(sdata);
73da7d5b
SW		 3065}
3066
37fa2bdd
MK		 3067static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3068 struct cfg80211_csa_settings *params,
3069 u32 *changed)
73da7d5b 3070{
af296bdb 3071 struct ieee80211_csa_settings csa = {};
37fa2bdd 3072 int err;
73da7d5b 3073
73da7d5b
SW		 3074 switch (sdata->vif.type) {
3075 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3076 sdata->u.ap.next_beacon =
3077 cfg80211_beacon_dup(&params->beacon_after);
3078 if (!sdata->u.ap.next_beacon)
3079 return -ENOMEM;
3080
66e01cf9
LC		 3081 /*
3082 * With a count of 0, we don't have to wait for any
3083 * TBTT before switching, so complete the CSA
3084 * immediately. In theory, with a count == 1 we
3085 * should delay the switch until just before the next
3086 * TBTT, but that would complicate things so we switch
3087 * immediately too. If we would delay the switch
3088 * until the next TBTT, we would have to set the probe
3089 * response here.
3090 *
3091 * TODO: A channel switch with count <= 1 without
3092 * sending a CSA action frame is kind of useless,
3093 * because the clients won't know we're changing
3094 * channels. The action frame must be implemented
3095 * either here or in the userspace.
3096 */
3097 if (params->count <= 1)
3098 break;
3099
0d06d9ba
AO		 3100 if ((params->n_counter_offsets_beacon >
3101 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3102 (params->n_counter_offsets_presp >
3103 IEEE80211_MAX_CSA_COUNTERS_NUM))
3104 return -EINVAL;
9a774c78 3105
af296bdb
MK		 3106 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3107 csa.counter_offsets_presp = params->counter_offsets_presp;
3108 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3109 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3110 csa.count = params->count;
9a774c78 3111
af296bdb 3112 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3113 if (err < 0) {
3114 kfree(sdata->u.ap.next_beacon);
3115 return err;
3116 }
37fa2bdd 3117 *changed |= err;
66e01cf9 3118
cd7760e6
SW		 3119 break;
3120 case NL80211_IFTYPE_ADHOC:
3121 if (!sdata->vif.bss_conf.ibss_joined)
3122 return -EINVAL;
3123
3124 if (params->chandef.width != sdata->u.ibss.chandef.width)
3125 return -EINVAL;
3126
3127 switch (params->chandef.width) {
3128 case NL80211_CHAN_WIDTH_40:
3129 if (cfg80211_get_chandef_type(&params->chandef) !=
3130 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3131 return -EINVAL;
3132 case NL80211_CHAN_WIDTH_5:
3133 case NL80211_CHAN_WIDTH_10:
3134 case NL80211_CHAN_WIDTH_20_NOHT:
3135 case NL80211_CHAN_WIDTH_20:
3136 break;
3137 default:
3138 return -EINVAL;
3139 }
3140
3141 /* changes into another band are not supported */
3142 if (sdata->u.ibss.chandef.chan->band !=
3143 params->chandef.chan->band)
3144 return -EINVAL;
3145
66e01cf9
LC		 3146 /* see comments in the NL80211_IFTYPE_AP block */
3147 if (params->count > 1) {
3148 err = ieee80211_ibss_csa_beacon(sdata, params);
3149 if (err < 0)
3150 return err;
37fa2bdd 3151 *changed |= err;
66e01cf9
LC		 3152 }
3153
3154 ieee80211_send_action_csa(sdata, params);
3155
73da7d5b 3156 break;
c6da674a 3157#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3158 case NL80211_IFTYPE_MESH_POINT: {
3159 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3160
c6da674a
CYY		 3161 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3162 return -EINVAL;
3163
3164 /* changes into another band are not supported */
3165 if (sdata->vif.bss_conf.chandef.chan->band !=
3166 params->chandef.chan->band)
3167 return -EINVAL;
3168
c782bf8c 3169 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3170 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3171 if (!ifmsh->pre_value)
3172 ifmsh->pre_value = 1;
3173 else
3174 ifmsh->pre_value++;
3175 }
0cb4d4dc 3176
66e01cf9
LC		 3177 /* see comments in the NL80211_IFTYPE_AP block */
3178 if (params->count > 1) {
3179 err = ieee80211_mesh_csa_beacon(sdata, params);
3180 if (err < 0) {
3181 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3182 return err;
3183 }
37fa2bdd 3184 *changed |= err;
3f718fd8 3185 }
66e01cf9
LC		 3186
3187 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3188 ieee80211_send_action_csa(sdata, params);
3189
c6da674a 3190 break;
37fa2bdd 3191 }
c6da674a 3192#endif
73da7d5b
SW		 3193 default:
3194 return -EOPNOTSUPP;
3195 }
3196
37fa2bdd
MK		 3197 return 0;
3198}
3199
f29f58a9
LC		 3200static int
3201__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3202 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3203{
3204 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3205 struct ieee80211_local *local = sdata->local;
6d027bcc 3206 struct ieee80211_channel_switch ch_switch;
2b32713d 3207 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3208 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3209 u32 changed = 0;
3210 int err;
37fa2bdd
MK		 3211
3212 sdata_assert_lock(sdata);
59af6928 3213 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3214
3215 if (!list_empty(&local->roc_list) || local->scanning)
3216 return -EBUSY;
3217
3218 if (sdata->wdev.cac_started)
3219 return -EBUSY;
3220
3221 if (cfg80211_chandef_identical(&params->chandef,
3222 &sdata->vif.bss_conf.chandef))
3223 return -EINVAL;
3224
03078de4
MK		 3225 /* don't allow another channel switch if one is already active. */
3226 if (sdata->vif.csa_active)
3227 return -EBUSY;
3228
2b32713d
MK		 3229 mutex_lock(&local->chanctx_mtx);
3230 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3231 lockdep_is_held(&local->chanctx_mtx));
3232 if (!conf) {
03078de4
MK		 3233 err = -EBUSY;
3234 goto out;
37fa2bdd
MK		 3235 }
3236
2b32713d 3237 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3238 if (!chanctx) {
3239 err = -EBUSY;
3240 goto out;
37fa2bdd 3241 }
37fa2bdd 3242
000baa5d
LC		 3243 ch_switch.timestamp = 0;
3244 ch_switch.device_timestamp = 0;
3245 ch_switch.block_tx = params->block_tx;
3246 ch_switch.chandef = params->chandef;
3247 ch_switch.count = params->count;
3248
6d027bcc
LC		 3249 err = drv_pre_channel_switch(sdata, &ch_switch);
3250 if (err)
3251 goto out;
3252
03078de4
MK		 3253 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3254 chanctx->mode,
3255 params->radar_required);
3256 if (err)
3257 goto out;
37fa2bdd 3258
03078de4
MK		 3259 /* if reservation is invalid then this will fail */
3260 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3261 if (err) {
3262 ieee80211_vif_unreserve_chanctx(sdata);
3263 goto out;
3264 }
37fa2bdd
MK		 3265
3266 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3267 if (err) {
3268 ieee80211_vif_unreserve_chanctx(sdata);
3269 goto out;
3270 }
37fa2bdd 3271
33787fc4 3272 sdata->csa_chandef = params->chandef;
59af6928 3273 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3274 sdata->vif.csa_active = true;
3275
59af6928 3276 if (sdata->csa_block_tx)
a46992b4
LC		 3277 ieee80211_stop_vif_queues(local, sdata,
3278 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3279
2f457293
LC		 3280 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3281 params->count);
3282
66e01cf9
LC		 3283 if (changed) {
3284 ieee80211_bss_info_change_notify(sdata, changed);
3285 drv_channel_switch_beacon(sdata, &params->chandef);
3286 } else {
3287 /* if the beacon didn't change, we can finalize immediately */
3288 ieee80211_csa_finalize(sdata);
3289 }
73da7d5b 3290
03078de4
MK		 3291out:
3292 mutex_unlock(&local->chanctx_mtx);
3293 return err;
73da7d5b
SW		 3294}
3295
59af6928
MK		 3296int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3297 struct cfg80211_csa_settings *params)
3298{
3299 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3300 struct ieee80211_local *local = sdata->local;
3301 int err;
3302
3303 mutex_lock(&local->mtx);
3304 err = __ieee80211_channel_switch(wiphy, dev, params);
3305 mutex_unlock(&local->mtx);
3306
3307 return err;
3308}
3309
3b79af97
JB		 3310static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
3311 struct sk_buff *skb, u64 *cookie,
3312 gfp_t gfp)
3313{
3314 unsigned long spin_flags;
3315 struct sk_buff *ack_skb;
3316 int id;
3317
3318 ack_skb = skb_copy(skb, gfp);
3319 if (!ack_skb)
3320 return ERR_PTR(-ENOMEM);
3321
3322 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3323 id = idr_alloc(&local->ack_status_frames, ack_skb,
3324 1, 0x10000, GFP_ATOMIC);
3325 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3326
3327 if (id < 0) {
3328 kfree_skb(ack_skb);
3329 return ERR_PTR(-ENOMEM);
3330 }
3331
3332 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3333
3334 *cookie = ieee80211_mgmt_tx_cookie(local);
3335 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3336
3337 return ack_skb;
3338}
3339
71bbc994 3340static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3341 struct cfg80211_mgmt_tx_params *params,
3342 u64 *cookie)
026331c4 3343{
71bbc994 3344 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d 3345 struct ieee80211_local *local = sdata->local;
b2eb0ee6 3346 struct sk_buff *skb, *ack_skb;
9d38d85d 3347 struct sta_info *sta;
b176e629 3348 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3349 bool need_offchan = false;
e247bd90 3350 u32 flags;
2eb278e0 3351 int ret;
387910cc 3352 u8 *data;
f7ca38df 3353
b176e629 3354 if (params->dont_wait_for_ack)
e247bd90
JB		 3355 flags = IEEE80211_TX_CTL_NO_ACK;
3356 else
3357 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3358 IEEE80211_TX_CTL_REQ_TX_STATUS;
3359
b176e629 3360 if (params->no_cck)
aad14ceb
RM		 3361 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3362
9d38d85d
JB		 3363 switch (sdata->vif.type) {
3364 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3365 if (!sdata->vif.bss_conf.ibss_joined)
3366 need_offchan = true;
3367 /* fall through */
3368#ifdef CONFIG_MAC80211_MESH
3369 case NL80211_IFTYPE_MESH_POINT:
3370 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3371 !sdata->u.mesh.mesh_id_len)
3372 need_offchan = true;
3373 /* fall through */
3374#endif
663fcafd
JB		 3375 case NL80211_IFTYPE_AP:
3376 case NL80211_IFTYPE_AP_VLAN:
3377 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3378 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3379 !ieee80211_vif_is_mesh(&sdata->vif) &&
3380 !rcu_access_pointer(sdata->bss->beacon))
3381 need_offchan = true;
663fcafd 3382 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3383 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3384 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3385 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3386 break;
3387 rcu_read_lock();
3388 sta = sta_info_get(sdata, mgmt->da);
3389 rcu_read_unlock();
3390 if (!sta)
3391 return -ENOLINK;
3392 break;
3393 case NL80211_IFTYPE_STATION:
663fcafd 3394 case NL80211_IFTYPE_P2P_CLIENT:
b8e69d51
MG		 3395 sdata_lock(sdata);
3396 if (!sdata->u.mgd.associated ||
3397 (params->offchan && params->wait &&
3398 local->ops->remain_on_channel &&
3399 memcmp(sdata->u.mgd.associated->bssid,
3400 mgmt->bssid, ETH_ALEN)))
2eb278e0 3401 need_offchan = true;
b8e69d51 3402 sdata_unlock(sdata);
9d38d85d 3403 break;
f142c6b9
JB		 3404 case NL80211_IFTYPE_P2P_DEVICE:
3405 need_offchan = true;
3406 break;
9d38d85d
JB		 3407 default:
3408 return -EOPNOTSUPP;
3409 }
3410
f7aeb6fb
AQ		 3411 /* configurations requiring offchan cannot work if no channel has been
3412 * specified
3413 */
b176e629 3414 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3415 return -EINVAL;
3416
2eb278e0
JB		 3417 mutex_lock(&local->mtx);
3418
3419 /* Check if the operating channel is the requested channel */
3420 if (!need_offchan) {
55de908a
JB		 3421 struct ieee80211_chanctx_conf *chanctx_conf;
3422
3423 rcu_read_lock();
3424 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3425
f7aeb6fb 3426 if (chanctx_conf) {
b176e629
AO		 3427 need_offchan = params->chan &&
3428 (params->chan !=
3429 chanctx_conf->def.chan);
3430 } else if (!params->chan) {
f7aeb6fb
AQ		 3431 ret = -EINVAL;
3432 rcu_read_unlock();
3433 goto out_unlock;
3434 } else {
2eb278e0 3435 need_offchan = true;
f7aeb6fb 3436 }
55de908a 3437 rcu_read_unlock();
2eb278e0
JB		 3438 }
3439
b176e629 3440 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3441 ret = -EBUSY;
3442 goto out_unlock;
3443 }
3444
b176e629 3445 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3446 if (!skb) {
3447 ret = -ENOMEM;
3448 goto out_unlock;
3449 }
9d38d85d
JB		 3450 skb_reserve(skb, local->hw.extra_tx_headroom);
3451
387910cc
AO		 3452 data = skb_put(skb, params->len);
3453 memcpy(data, params->buf, params->len);
3454
3455 /* Update CSA counters */
3456 if (sdata->vif.csa_active &&
3457 (sdata->vif.type == NL80211_IFTYPE_AP ||
8df734e8 3458 sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
387910cc
AO		 3459 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3460 params->n_csa_offsets) {
3461 int i;
af296bdb 3462 struct beacon_data *beacon = NULL;
387910cc 3463
af296bdb
MK		 3464 rcu_read_lock();
3465
3466 if (sdata->vif.type == NL80211_IFTYPE_AP)
3467 beacon = rcu_dereference(sdata->u.ap.beacon);
3468 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3469 beacon = rcu_dereference(sdata->u.ibss.presp);
3470 else if (ieee80211_vif_is_mesh(&sdata->vif))
3471 beacon = rcu_dereference(sdata->u.mesh.beacon);
3472
3473 if (beacon)
3474 for (i = 0; i < params->n_csa_offsets; i++)
3475 data[params->csa_offsets[i]] =
3476 beacon->csa_current_counter;
3477
3478 rcu_read_unlock();
387910cc 3479 }
9d38d85d
JB		 3480
3481 IEEE80211_SKB_CB(skb)->flags = flags;
3482
3483 skb->dev = sdata->dev;
9d38d85d 3484
b2eb0ee6 3485 if (!params->dont_wait_for_ack) {
3b79af97 3486 /* make a copy to preserve the frame contents
b2eb0ee6
JB		 3487 * in case of encryption.
3488 */
3b79af97
JB		 3489 ack_skb = ieee80211_make_ack_skb(local, skb, cookie,
3490 GFP_KERNEL);
3491 if (IS_ERR(ack_skb)) {
3492 ret = PTR_ERR(ack_skb);
b2eb0ee6
JB		 3493 kfree_skb(skb);
3494 goto out_unlock;
3495 }
b2eb0ee6
JB		 3496 } else {
3497 /* for cookie below */
3498 ack_skb = skb;
3499 }
3500
2eb278e0 3501 if (!need_offchan) {
f30221e4 3502 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3503 ret = 0;
3504 goto out_unlock;
f30221e4
JB		 3505 }
3506
6c17b77b
SF		 3507 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3508 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
30686bf7 3509 if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
2eb278e0
JB		 3510 IEEE80211_SKB_CB(skb)->hw_queue =
3511 local->hw.offchannel_tx_hw_queue;
f30221e4 3512
2eb278e0 3513 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3514 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3515 params->wait, cookie, skb,
d339d5ca 3516 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3517 if (ret)
3518 kfree_skb(skb);
3519 out_unlock:
3520 mutex_unlock(&local->mtx);
3521 return ret;
026331c4
JM		 3522}
3523
f30221e4 3524static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3525 struct wireless_dev *wdev,
f30221e4
JB		 3526 u64 cookie)
3527{
71bbc994 3528 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3529
2eb278e0 3530 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3531}
3532
7be5086d 3533static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3534 struct wireless_dev *wdev,
7be5086d
JB		 3535 u16 frame_type, bool reg)
3536{
3537 struct ieee80211_local *local = wiphy_priv(wiphy);
1b09b556 3538 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 3539
6abe0563 3540 switch (frame_type) {
6abe0563 3541 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
1b09b556 3542 if (reg) {
6abe0563 3543 local->probe_req_reg++;
1b09b556
AO		 3544 sdata->vif.probe_req_reg++;
3545 } else {
3546 if (local->probe_req_reg)
3547 local->probe_req_reg--;
3548
3549 if (sdata->vif.probe_req_reg)
3550 sdata->vif.probe_req_reg--;
3551 }
7be5086d 3552
35f5149e
FF		 3553 if (!local->open_count)
3554 break;
3555
1b09b556
AO		 3556 if (sdata->vif.probe_req_reg == 1)
3557 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3558 FIF_PROBE_REQ);
3559 else if (sdata->vif.probe_req_reg == 0)
3560 drv_config_iface_filter(local, sdata, 0,
3561 FIF_PROBE_REQ);
3562
3563 ieee80211_configure_filter(local);
6abe0563
WH		 3564 break;
3565 default:
3566 break;
3567 }
7be5086d
JB		 3568}
3569
15d96753
BR		 3570static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3571{
3572 struct ieee80211_local *local = wiphy_priv(wiphy);
3573
3574 if (local->started)
3575 return -EOPNOTSUPP;
3576
3577 return drv_set_antenna(local, tx_ant, rx_ant);
3578}
3579
3580static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3581{
3582 struct ieee80211_local *local = wiphy_priv(wiphy);
3583
3584 return drv_get_antenna(local, tx_ant, rx_ant);
3585}
3586
c68f4b89
JB		 3587static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3588 struct net_device *dev,
3589 struct cfg80211_gtk_rekey_data *data)
3590{
3591 struct ieee80211_local *local = wiphy_priv(wiphy);
3592 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3593
3594 if (!local->ops->set_rekey_data)
3595 return -EOPNOTSUPP;
3596
3597 drv_set_rekey_data(local, sdata, data);
3598
3599 return 0;
3600}
3601
06500736
JB		 3602static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3603 const u8 *peer, u64 *cookie)
3604{
3605 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3606 struct ieee80211_local *local = sdata->local;
3607 struct ieee80211_qos_hdr *nullfunc;
3b79af97 3608 struct sk_buff *skb, *ack_skb;
06500736
JB		 3609 int size = sizeof(*nullfunc);
3610 __le16 fc;
3611 bool qos;
3612 struct ieee80211_tx_info *info;
3613 struct sta_info *sta;
55de908a
JB		 3614 struct ieee80211_chanctx_conf *chanctx_conf;
3615 enum ieee80211_band band;
3b79af97
JB		 3616 int ret;
3617
3618 /* the lock is needed to assign the cookie later */
3619 mutex_lock(&local->mtx);
06500736
JB		 3620
3621 rcu_read_lock();
55de908a
JB		 3622 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3623 if (WARN_ON(!chanctx_conf)) {
3b79af97
JB		 3624 ret = -EINVAL;
3625 goto unlock;
55de908a 3626 }
4bf88530 3627 band = chanctx_conf->def.chan->band;
03bb7f42 3628 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3629 if (sta) {
a74a8c84 3630 qos = sta->sta.wme;
b4487c2d 3631 } else {
3b79af97
JB		 3632 ret = -ENOLINK;
3633 goto unlock;
b4487c2d 3634 }
06500736
JB		 3635
3636 if (qos) {
3637 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3638 IEEE80211_STYPE_QOS_NULLFUNC |
3639 IEEE80211_FCTL_FROMDS);
3640 } else {
3641 size -= 2;
3642 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3643 IEEE80211_STYPE_NULLFUNC |
3644 IEEE80211_FCTL_FROMDS);
3645 }
3646
3647 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a 3648 if (!skb) {
3b79af97
JB		 3649 ret = -ENOMEM;
3650 goto unlock;
55de908a 3651 }
06500736
JB		 3652
3653 skb->dev = dev;
3654
3655 skb_reserve(skb, local->hw.extra_tx_headroom);
3656
3657 nullfunc = (void *) skb_put(skb, size);
3658 nullfunc->frame_control = fc;
3659 nullfunc->duration_id = 0;
3660 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3661 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3662 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3663 nullfunc->seq_ctrl = 0;
3664
3665 info = IEEE80211_SKB_CB(skb);
3666
3667 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3668 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3669 info->band = band;
06500736
JB		 3670
3671 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3672 skb->priority = 7;
3673 if (qos)
3674 nullfunc->qos_ctrl = cpu_to_le16(7);
3675
3b79af97
JB		 3676 ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
3677 if (IS_ERR(ack_skb)) {
3678 kfree_skb(skb);
3679 ret = PTR_ERR(ack_skb);
3680 goto unlock;
3681 }
3682
06500736 3683 local_bh_disable();
7c10770f 3684 ieee80211_xmit(sdata, sta, skb);
06500736 3685 local_bh_enable();
3b79af97
JB		 3686
3687 ret = 0;
3688unlock:
55de908a 3689 rcu_read_unlock();
3b79af97 3690 mutex_unlock(&local->mtx);
06500736 3691
3b79af97 3692 return ret;
06500736
JB		 3693}
3694
683b6d3b
JB		 3695static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3696 struct wireless_dev *wdev,
3697 struct cfg80211_chan_def *chandef)
5b7ccaf3 3698{
55de908a 3699 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3700 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3701 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3702 int ret = -ENODATA;
55de908a
JB		 3703
3704 rcu_read_lock();
feda3027
JB		 3705 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3706 if (chanctx_conf) {
c12bc488 3707 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3708 ret = 0;
3709 } else if (local->open_count > 0 &&
3710 local->open_count == local->monitors &&
3711 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3712 if (local->use_chanctx)
3713 *chandef = local->monitor_chandef;
3714 else
675a0b04 3715 *chandef = local->_oper_chandef;
683b6d3b 3716 ret = 0;
55de908a
JB		 3717 }
3718 rcu_read_unlock();
5b7ccaf3 3719
683b6d3b 3720 return ret;
5b7ccaf3
JB		 3721}
3722
6d52563f
JB		 3723#ifdef CONFIG_PM
3724static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3725{
3726 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3727}
3728#endif
3729
32db6b54
KP		 3730static int ieee80211_set_qos_map(struct wiphy *wiphy,
3731 struct net_device *dev,
3732 struct cfg80211_qos_map *qos_map)
3733{
3734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3735 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3736
3737 if (qos_map) {
3738 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3739 if (!new_qos_map)
3740 return -ENOMEM;
3741 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3742 } else {
3743 /* A NULL qos_map was passed to disable QoS mapping */
3744 new_qos_map = NULL;
3745 }
3746
194ff52d 3747 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3748 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3749 if (old_qos_map)
3750 kfree_rcu(old_qos_map, rcu_head);
3751
3752 return 0;
3753}
3754
3b1700bd
JM		 3755static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3756 struct net_device *dev,
3757 struct cfg80211_chan_def *chandef)
3758{
3759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3760 int ret;
3761 u32 changed = 0;
3762
3763 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3764 if (ret == 0)
3765 ieee80211_bss_info_change_notify(sdata, changed);
3766
3767 return ret;
3768}
3769
02219b3a
JB		 3770static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3771 u8 tsid, const u8 *peer, u8 up,
3772 u16 admitted_time)
3773{
3774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3775 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3776 int ac = ieee802_1d_to_ac[up];
3777
3778 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3779 return -EOPNOTSUPP;
3780
3781 if (!(sdata->wmm_acm & BIT(up)))
3782 return -EINVAL;
3783
3784 if (ifmgd->tx_tspec[ac].admitted_time)
3785 return -EBUSY;
3786
3787 if (admitted_time) {
3788 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3789 ifmgd->tx_tspec[ac].tsid = tsid;
3790 ifmgd->tx_tspec[ac].up = up;
3791 }
3792
3793 return 0;
3794}
3795
3796static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3797 u8 tsid, const u8 *peer)
3798{
3799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3800 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3801 struct ieee80211_local *local = wiphy_priv(wiphy);
3802 int ac;
3803
3804 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3805 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3806
3807 /* skip unused entries */
3808 if (!tx_tspec->admitted_time)
3809 continue;
3810
3811 if (tx_tspec->tsid != tsid)
3812 continue;
3813
3814 /* due to this new packets will be reassigned to non-ACM ACs */
3815 tx_tspec->up = -1;
3816
3817 /* Make sure that all packets have been sent to avoid to
3818 * restore the QoS params on packets that are still on the
3819 * queues.
3820 */
3821 synchronize_net();
3b24f4c6 3822 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3823
3824 /* restore the normal QoS parameters
3825 * (unconditionally to avoid races)
3826 */
3827 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3828 tx_tspec->downgraded = false;
3829 ieee80211_sta_handle_tspec_ac_params(sdata);
3830
3831 /* finally clear all the data */
3832 memset(tx_tspec, 0, sizeof(*tx_tspec));
3833
3834 return 0;
3835 }
3836
3837 return -ENOENT;
3838}
3839
8a47cea7 3840const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3841 .add_virtual_intf = ieee80211_add_iface,
3842 .del_virtual_intf = ieee80211_del_iface,
42613db7 3843 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3844 .start_p2p_device = ieee80211_start_p2p_device,
3845 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3846 .add_key = ieee80211_add_key,
3847 .del_key = ieee80211_del_key,
62da92fb 3848 .get_key = ieee80211_get_key,
e8cbb4cb 3849 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3850 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3851 .start_ap = ieee80211_start_ap,
3852 .change_beacon = ieee80211_change_beacon,
3853 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3854 .add_station = ieee80211_add_station,
3855 .del_station = ieee80211_del_station,
3856 .change_station = ieee80211_change_station,
7bbdd2d9 3857 .get_station = ieee80211_get_station,
c5dd9c2b 3858 .dump_station = ieee80211_dump_station,
1289723e 3859 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3860#ifdef CONFIG_MAC80211_MESH
3861 .add_mpath = ieee80211_add_mpath,
3862 .del_mpath = ieee80211_del_mpath,
3863 .change_mpath = ieee80211_change_mpath,
3864 .get_mpath = ieee80211_get_mpath,
3865 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3866 .get_mpp = ieee80211_get_mpp,
3867 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3868 .update_mesh_config = ieee80211_update_mesh_config,
3869 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3870 .join_mesh = ieee80211_join_mesh,
3871 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3872#endif
239281f8
RL		 3873 .join_ocb = ieee80211_join_ocb,
3874 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3875 .change_bss = ieee80211_change_bss,
31888487 3876 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3877 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3878 .suspend = ieee80211_suspend,
3879 .resume = ieee80211_resume,
2a519311 3880 .scan = ieee80211_scan,
79f460ca
LC		 3881 .sched_scan_start = ieee80211_sched_scan_start,
3882 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3883 .auth = ieee80211_auth,
3884 .assoc = ieee80211_assoc,
3885 .deauth = ieee80211_deauth,
3886 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3887 .join_ibss = ieee80211_join_ibss,
3888 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3889 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3890 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3891 .set_tx_power = ieee80211_set_tx_power,
3892 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3893 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3894 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3895 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3896 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3897 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3898 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3899 .remain_on_channel = ieee80211_remain_on_channel,
3900 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3901 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3902 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3903 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3904 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3905 .set_antenna = ieee80211_set_antenna,
3906 .get_antenna = ieee80211_get_antenna,
c68f4b89 3907 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3908 .tdls_oper = ieee80211_tdls_oper,
3909 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3910 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3911 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3912 .probe_client = ieee80211_probe_client,
b53be792 3913 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3914#ifdef CONFIG_PM
3915 .set_wakeup = ieee80211_set_wakeup,
3916#endif
5b7ccaf3 3917 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3918 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3919 .channel_switch = ieee80211_channel_switch,
32db6b54 3920 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3921 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3922 .add_tx_ts = ieee80211_add_tx_ts,
3923 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3924};
Linux kernel - Deliverables
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