]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - net/mac80211/cfg.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: extend get_tkip_seq to all keys
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
d98ad83e 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
f0706e82
JB		 6 *
7 * This file is GPLv2 as found in COPYING.
8 */
9
e8cbb4cb 10#include <linux/ieee80211.h>
f0706e82
JB		 11#include <linux/nl80211.h>
12#include <linux/rtnetlink.h>
5a0e3ad6 13#include <linux/slab.h>
881d966b 14#include <net/net_namespace.h>
5dfdaf58 15#include <linux/rcupdate.h>
dfe018bf 16#include <linux/if_ether.h>
f0706e82
JB		 17#include <net/cfg80211.h>
18#include "ieee80211_i.h"
24487981 19#include "driver-ops.h"
e0eb6859 20#include "cfg.h"
2c8dccc7 21#include "rate.h"
c5dd9c2b 22#include "mesh.h"
02219b3a 23#include "wme.h"
c5dd9c2b 24
552bff0c
JB		 25static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
6bab2e19 27 unsigned char name_assign_type,
84efbb84
JB		 28 enum nl80211_iftype type,
29 u32 *flags,
30 struct vif_params *params)
f0706e82
JB		 31{
32 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 33 struct wireless_dev *wdev;
8cc9a739
MW		 34 struct ieee80211_sub_if_data *sdata;
35 int err;
f0706e82 36
6bab2e19 37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
f9e10ce4
JB		 38 if (err)
39 return ERR_PTR(err);
8cc9a739 40
f9e10ce4 41 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 43 sdata->u.mntr_flags = *flags;
44 }
45
84efbb84 46 return wdev;
f0706e82
JB		 47}
48
84efbb84 49static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 50{
84efbb84 51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 52
75636525 53 return 0;
f0706e82
JB		 54}
55
e36d56b6
JB		 56static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
2ec600d6
LCC		 58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
42613db7 60{
9607e6b6 61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 62 int ret;
42613db7 63
05c914fe 64 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 65 if (ret)
66 return ret;
42613db7 67
9bc383de
JB		 68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0)
a9b3cd7f 70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 71 else if (type == NL80211_IFTYPE_STATION &&
72 params && params->use_4addr >= 0)
73 sdata->u.mgd.use_4addr = params->use_4addr;
74
85416a4f
CL		 75 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
76 struct ieee80211_local *local = sdata->local;
77
78 if (ieee80211_sdata_running(sdata)) {
31eba5bc
FF		 79 u32 mask = MONITOR_FLAG_COOK_FRAMES |
80 MONITOR_FLAG_ACTIVE;
81
85416a4f 82 /*
31eba5bc
FF		 83 * Prohibit MONITOR_FLAG_COOK_FRAMES and
84 * MONITOR_FLAG_ACTIVE to be changed while the
85 * interface is up.
85416a4f
CL		 86 * Else we would need to add a lot of cruft
87 * to update everything:
88 * cooked_mntrs, monitor and all fif_* counters
89 * reconfigure hardware
90 */
31eba5bc 91 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
85416a4f
CL		 92 return -EBUSY;
93
94 ieee80211_adjust_monitor_flags(sdata, -1);
95 sdata->u.mntr_flags = *flags;
96 ieee80211_adjust_monitor_flags(sdata, 1);
97
98 ieee80211_configure_filter(local);
99 } else {
100 /*
101 * Because the interface is down, ieee80211_do_stop
102 * and ieee80211_do_open take care of "everything"
103 * mentioned in the comment above.
104 */
105 sdata->u.mntr_flags = *flags;
106 }
107 }
f7917af9 108
42613db7
JB		 109 return 0;
110}
111
f142c6b9
JB		 112static int ieee80211_start_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
b6a55015
LC		 115 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
116 int ret;
117
118 mutex_lock(&sdata->local->chanctx_mtx);
119 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
120 mutex_unlock(&sdata->local->chanctx_mtx);
121 if (ret < 0)
122 return ret;
123
f142c6b9
JB		 124 return ieee80211_do_open(wdev, true);
125}
126
127static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
128 struct wireless_dev *wdev)
129{
130 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
131}
132
b53be792
SW		 133static int ieee80211_set_noack_map(struct wiphy *wiphy,
134 struct net_device *dev,
135 u16 noack_map)
136{
137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
138
139 sdata->noack_map = noack_map;
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:
9352c19f
JB		 364 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
365 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
366 drv_get_key_seq(sdata->local, key, &kseq);
367 memcpy(seq, kseq.ccmp.pn, 6);
368 } else {
369 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
370 seq[0] = pn64;
371 seq[1] = pn64 >> 8;
372 seq[2] = pn64 >> 16;
373 seq[3] = pn64 >> 24;
374 seq[4] = pn64 >> 32;
375 seq[5] = pn64 >> 40;
376 }
62da92fb
JB		 377 params.seq = seq;
378 params.seq_len = 6;
379 break;
97359d12 380 case WLAN_CIPHER_SUITE_AES_CMAC:
56c52da2 381 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
9352c19f
JB		 382 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
383 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
384 drv_get_key_seq(sdata->local, key, &kseq);
385 memcpy(seq, kseq.aes_cmac.pn, 6);
386 } else {
387 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
388 seq[0] = pn64;
389 seq[1] = pn64 >> 8;
390 seq[2] = pn64 >> 16;
391 seq[3] = pn64 >> 24;
392 seq[4] = pn64 >> 32;
393 seq[5] = pn64 >> 40;
394 }
3cfcf6ac
JM		 395 params.seq = seq;
396 params.seq_len = 6;
397 break;
8ade538b
JM		 398 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
399 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
9352c19f
JB		 400 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
401 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
402 drv_get_key_seq(sdata->local, key, &kseq);
403 memcpy(seq, kseq.aes_gmac.pn, 6);
404 } else {
405 pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
406 seq[0] = pn64;
407 seq[1] = pn64 >> 8;
408 seq[2] = pn64 >> 16;
409 seq[3] = pn64 >> 24;
410 seq[4] = pn64 >> 32;
411 seq[5] = pn64 >> 40;
412 }
8ade538b
JM		 413 params.seq = seq;
414 params.seq_len = 6;
415 break;
00b9cfa3
JM		 416 case WLAN_CIPHER_SUITE_GCMP:
417 case WLAN_CIPHER_SUITE_GCMP_256:
9352c19f
JB		 418 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
419 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
420 drv_get_key_seq(sdata->local, key, &kseq);
421 memcpy(seq, kseq.gcmp.pn, 6);
422 } else {
423 pn64 = atomic64_read(&key->u.gcmp.tx_pn);
424 seq[0] = pn64;
425 seq[1] = pn64 >> 8;
426 seq[2] = pn64 >> 16;
427 seq[3] = pn64 >> 24;
428 seq[4] = pn64 >> 32;
429 seq[5] = pn64 >> 40;
430 }
00b9cfa3
JM		 431 params.seq = seq;
432 params.seq_len = 6;
433 break;
62da92fb
JB		 434 }
435
436 params.key = key->conf.key;
437 params.key_len = key->conf.keylen;
438
439 callback(cookie, &params);
440 err = 0;
441
442 out:
3b96766f 443 rcu_read_unlock();
62da92fb
JB		 444 return err;
445}
446
e8cbb4cb
JB		 447static int ieee80211_config_default_key(struct wiphy *wiphy,
448 struct net_device *dev,
dbd2fd65
JB		 449 u8 key_idx, bool uni,
450 bool multi)
e8cbb4cb 451{
ad0e2b5a 452 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 453
f7e0104c 454 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 455
456 return 0;
457}
458
3cfcf6ac
JM		 459static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
460 struct net_device *dev,
461 u8 key_idx)
462{
66c52421 463 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 464
3cfcf6ac
JM		 465 ieee80211_set_default_mgmt_key(sdata, key_idx);
466
3cfcf6ac
JM		 467 return 0;
468}
469
6b62bf32
TP		 470void sta_set_rate_info_tx(struct sta_info *sta,
471 const struct ieee80211_tx_rate *rate,
472 struct rate_info *rinfo)
473{
474 rinfo->flags = 0;
8bc83c24 475 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 476 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 477 rinfo->mcs = rate->idx;
478 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
479 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
480 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
481 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
482 } else {
483 struct ieee80211_supported_band *sband;
2103dec1
SW		 484 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
485 u16 brate;
486
8bc83c24
JB		 487 sband = sta->local->hw.wiphy->bands[
488 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 489 brate = sband->bitrates[rate->idx].bitrate;
490 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 491 }
6b62bf32 492 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 493 rinfo->bw = RATE_INFO_BW_40;
494 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
495 rinfo->bw = RATE_INFO_BW_80;
496 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
497 rinfo->bw = RATE_INFO_BW_160;
498 else
499 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 500 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
501 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 502}
503
003e676a
S		 504void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
505{
506 rinfo->flags = 0;
507
508 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
509 rinfo->flags |= RATE_INFO_FLAGS_MCS;
510 rinfo->mcs = sta->last_rx_rate_idx;
511 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
512 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
513 rinfo->nss = sta->last_rx_rate_vht_nss;
514 rinfo->mcs = sta->last_rx_rate_idx;
515 } else {
516 struct ieee80211_supported_band *sband;
2103dec1
SW		 517 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
518 u16 brate;
003e676a
S		 519
520 sband = sta->local->hw.wiphy->bands[
521 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 522 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
523 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 524 }
525
003e676a
S		 526 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
527 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
b51f3bee
JB		 528
529 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
530 rinfo->bw = RATE_INFO_BW_5;
531 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
532 rinfo->bw = RATE_INFO_BW_10;
533 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
534 rinfo->bw = RATE_INFO_BW_40;
535 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
536 rinfo->bw = RATE_INFO_BW_80;
537 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
538 rinfo->bw = RATE_INFO_BW_160;
539 else
540 rinfo->bw = RATE_INFO_BW_20;
003e676a
S		 541}
542
c5dd9c2b 543static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 544 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 545{
3b53fde8 546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 547 struct ieee80211_local *local = sdata->local;
c5dd9c2b 548 struct sta_info *sta;
d0709a65
JB		 549 int ret = -ENOENT;
550
66572cfc 551 mutex_lock(&local->sta_mtx);
c5dd9c2b 552
3b53fde8 553 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 554 if (sta) {
555 ret = 0;
17741cdc 556 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 557 sta_set_sinfo(sta, sinfo);
558 }
c5dd9c2b 559
66572cfc 560 mutex_unlock(&local->sta_mtx);
c5dd9c2b 561
d0709a65 562 return ret;
c5dd9c2b
LCC		 563}
564
1289723e
HS		 565static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
566 int idx, struct survey_info *survey)
567{
568 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
569
1289723e
HS		 570 return drv_get_survey(local, idx, survey);
571}
572
7bbdd2d9 573static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 574 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 575{
abe60632 576 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 577 struct ieee80211_local *local = sdata->local;
7bbdd2d9 578 struct sta_info *sta;
d0709a65 579 int ret = -ENOENT;
7bbdd2d9 580
66572cfc 581 mutex_lock(&local->sta_mtx);
7bbdd2d9 582
0e5ded5a 583 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 584 if (sta) {
585 ret = 0;
586 sta_set_sinfo(sta, sinfo);
587 }
588
66572cfc 589 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 590
591 return ret;
7bbdd2d9
JB		 592}
593
55de908a 594static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 595 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 596{
597 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 598 struct ieee80211_sub_if_data *sdata;
599 int ret = 0;
3d9e6e12 600
4bf88530 601 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 602 return 0;
3d9e6e12 603
34a3740d 604 mutex_lock(&local->mtx);
55de908a
JB		 605 mutex_lock(&local->iflist_mtx);
606 if (local->use_chanctx) {
607 sdata = rcu_dereference_protected(
608 local->monitor_sdata,
609 lockdep_is_held(&local->iflist_mtx));
610 if (sdata) {
611 ieee80211_vif_release_channel(sdata);
4bf88530 612 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 613 IEEE80211_CHANCTX_EXCLUSIVE);
614 }
615 } else if (local->open_count == local->monitors) {
675a0b04 616 local->_oper_chandef = *chandef;
55de908a
JB		 617 ieee80211_hw_config(local, 0);
618 }
3d9e6e12 619
4bf88530
JB		 620 if (ret == 0)
621 local->monitor_chandef = *chandef;
55de908a 622 mutex_unlock(&local->iflist_mtx);
34a3740d 623 mutex_unlock(&local->mtx);
3d9e6e12 624
55de908a 625 return ret;
e8c9bd5b
JB		 626}
627
02945821 628static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 629 const u8 *resp, size_t resp_len,
630 const struct ieee80211_csa_settings *csa)
02945821 631{
aa7a0080 632 struct probe_resp *new, *old;
02945821
AN		 633
634 if (!resp || !resp_len)
aba4e6ff 635 return 1;
02945821 636
7ca133bc 637 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 638
aa7a0080 639 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 640 if (!new)
641 return -ENOMEM;
642
aa7a0080
ES		 643 new->len = resp_len;
644 memcpy(new->data, resp, resp_len);
02945821 645
af296bdb
MK		 646 if (csa)
647 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
648 csa->n_counter_offsets_presp *
649 sizeof(new->csa_counter_offsets[0]));
650
02945821 651 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 652 if (old)
653 kfree_rcu(old, rcu_head);
02945821
AN		 654
655 return 0;
656}
657
0ae07968 658static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 659 struct cfg80211_beacon_data *params,
660 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 661{
662 struct beacon_data *new, *old;
663 int new_head_len, new_tail_len;
8860020e
JB		 664 int size, err;
665 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 666
7ca133bc
SW		 667 old = sdata_dereference(sdata->u.ap.beacon, sdata);
668
5dfdaf58 669
5dfdaf58
JB		 670 /* Need to have a beacon head if we don't have one yet */
671 if (!params->head && !old)
8860020e 672 return -EINVAL;
5dfdaf58
JB		 673
674 /* new or old head? */
675 if (params->head)
676 new_head_len = params->head_len;
677 else
678 new_head_len = old->head_len;
679
680 /* new or old tail? */
681 if (params->tail || !old)
682 /* params->tail_len will be zero for !params->tail */
683 new_tail_len = params->tail_len;
684 else
685 new_tail_len = old->tail_len;
686
687 size = sizeof(*new) + new_head_len + new_tail_len;
688
689 new = kzalloc(size, GFP_KERNEL);
690 if (!new)
691 return -ENOMEM;
692
693 /* start filling the new info now */
694
5dfdaf58
JB		 695 /*
696 * pointers go into the block we allocated,
697 * memory is | beacon_data | head | tail |
698 */
699 new->head = ((u8 *) new) + sizeof(*new);
700 new->tail = new->head + new_head_len;
701 new->head_len = new_head_len;
702 new->tail_len = new_tail_len;
703
af296bdb
MK		 704 if (csa) {
705 new->csa_current_counter = csa->count;
706 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
707 csa->n_counter_offsets_beacon *
708 sizeof(new->csa_counter_offsets[0]));
709 }
710
5dfdaf58
JB		 711 /* copy in head */
712 if (params->head)
713 memcpy(new->head, params->head, new_head_len);
714 else
715 memcpy(new->head, old->head, new_head_len);
716
717 /* copy in optional tail */
718 if (params->tail)
719 memcpy(new->tail, params->tail, new_tail_len);
720 else
721 if (old)
722 memcpy(new->tail, old->tail, new_tail_len);
723
02945821 724 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 725 params->probe_resp_len, csa);
8860020e
JB		 726 if (err < 0)
727 return err;
728 if (err == 0)
02945821
AN		 729 changed |= BSS_CHANGED_AP_PROBE_RESP;
730
8860020e
JB		 731 rcu_assign_pointer(sdata->u.ap.beacon, new);
732
733 if (old)
734 kfree_rcu(old, rcu_head);
7827493b 735
8860020e 736 return changed;
5dfdaf58
JB		 737}
738
8860020e
JB		 739static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
740 struct cfg80211_ap_settings *params)
5dfdaf58 741{
8860020e 742 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 743 struct ieee80211_local *local = sdata->local;
5dfdaf58 744 struct beacon_data *old;
665c93a9 745 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 746 u32 changed = BSS_CHANGED_BEACON_INT |
747 BSS_CHANGED_BEACON_ENABLED |
748 BSS_CHANGED_BEACON |
339afbf4 749 BSS_CHANGED_SSID |
4bcc56bb
JB		 750 BSS_CHANGED_P2P_PS |
751 BSS_CHANGED_TXPOWER;
8860020e 752 int err;
14db74bc 753
7ca133bc 754 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 755 if (old)
756 return -EALREADY;
757
f6993174
EP		 758 switch (params->smps_mode) {
759 case NL80211_SMPS_OFF:
760 sdata->smps_mode = IEEE80211_SMPS_OFF;
761 break;
762 case NL80211_SMPS_STATIC:
763 sdata->smps_mode = IEEE80211_SMPS_STATIC;
764 break;
765 case NL80211_SMPS_DYNAMIC:
766 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
767 break;
768 default:
769 return -EINVAL;
770 }
04ecd257
JB		 771 sdata->needed_rx_chains = sdata->local->rx_chains;
772
34a3740d 773 mutex_lock(&local->mtx);
4bf88530 774 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 775 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 776 if (!err)
777 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 778 mutex_unlock(&local->mtx);
aa430da4
JB		 779 if (err)
780 return err;
781
665c93a9
JB		 782 /*
783 * Apply control port protocol, this allows us to
784 * not encrypt dynamic WEP control frames.
785 */
786 sdata->control_port_protocol = params->crypto.control_port_ethertype;
787 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 788 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
789 &params->crypto,
790 sdata->vif.type);
791
665c93a9
JB		 792 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
793 vlan->control_port_protocol =
794 params->crypto.control_port_ethertype;
795 vlan->control_port_no_encrypt =
796 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 797 vlan->encrypt_headroom =
798 ieee80211_cs_headroom(sdata->local,
799 &params->crypto,
800 vlan->vif.type);
665c93a9
JB		 801 }
802
8860020e
JB		 803 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
804 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 805 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 806
807 sdata->vif.bss_conf.ssid_len = params->ssid_len;
808 if (params->ssid_len)
809 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
810 params->ssid_len);
811 sdata->vif.bss_conf.hidden_ssid =
812 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
813
67baf663
JD		 814 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
815 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
816 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
817 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
818 if (params->p2p_opp_ps)
819 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
820 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 821
af296bdb 822 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 823 if (err < 0) {
824 ieee80211_vif_release_channel(sdata);
8860020e 825 return err;
0297ea17 826 }
8860020e
JB		 827 changed |= err;
828
1041638f
JB		 829 err = drv_start_ap(sdata->local, sdata);
830 if (err) {
7ca133bc
SW		 831 old = sdata_dereference(sdata->u.ap.beacon, sdata);
832
1041638f
JB		 833 if (old)
834 kfree_rcu(old, rcu_head);
835 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 836 ieee80211_vif_release_channel(sdata);
1041638f
JB		 837 return err;
838 }
839
057d5f4b 840 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 841 ieee80211_bss_info_change_notify(sdata, changed);
842
3edaf3e6
JB		 843 netif_carrier_on(dev);
844 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
845 netif_carrier_on(vlan->dev);
846
665c93a9 847 return 0;
5dfdaf58
JB		 848}
849
8860020e
JB		 850static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
851 struct cfg80211_beacon_data *params)
5dfdaf58 852{
14db74bc 853 struct ieee80211_sub_if_data *sdata;
5dfdaf58 854 struct beacon_data *old;
8860020e 855 int err;
5dfdaf58 856
14db74bc 857 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 858 sdata_assert_lock(sdata);
14db74bc 859
73da7d5b
SW		 860 /* don't allow changing the beacon while CSA is in place - offset
861 * of channel switch counter may change
862 */
863 if (sdata->vif.csa_active)
864 return -EBUSY;
865
7ca133bc 866 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 867 if (!old)
868 return -ENOENT;
869
af296bdb 870 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 871 if (err < 0)
872 return err;
873 ieee80211_bss_info_change_notify(sdata, err);
874 return 0;
5dfdaf58
JB		 875}
876
8860020e 877static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 878{
7b20b8e8
JB		 879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
880 struct ieee80211_sub_if_data *vlan;
881 struct ieee80211_local *local = sdata->local;
882 struct beacon_data *old_beacon;
883 struct probe_resp *old_probe_resp;
d2859df5 884 struct cfg80211_chan_def chandef;
14db74bc 885
dbd72850
MK		 886 sdata_assert_lock(sdata);
887
7ca133bc 888 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 889 if (!old_beacon)
5dfdaf58 890 return -ENOENT;
7ca133bc 891 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 892
73da7d5b 893 /* abort any running channel switch */
59af6928 894 mutex_lock(&local->mtx);
73da7d5b 895 sdata->vif.csa_active = false;
a46992b4
LC		 896 if (sdata->csa_block_tx) {
897 ieee80211_wake_vif_queues(local, sdata,
898 IEEE80211_QUEUE_STOP_REASON_CSA);
899 sdata->csa_block_tx = false;
900 }
901
59af6928
MK		 902 mutex_unlock(&local->mtx);
903
1f3b8a2b
SW		 904 kfree(sdata->u.ap.next_beacon);
905 sdata->u.ap.next_beacon = NULL;
906
7b20b8e8 907 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 908 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
909 netif_carrier_off(vlan->dev);
910 netif_carrier_off(dev);
911
7b20b8e8 912 /* remove beacon and probe response */
a9b3cd7f 913 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 914 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
915 kfree_rcu(old_beacon, rcu_head);
916 if (old_probe_resp)
917 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 918 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 919
e716251d 920 __sta_info_flush(sdata, true);
7907c7d3 921 ieee80211_free_keys(sdata, true);
75de9113 922
d6a83228 923 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 924 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 925 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 926 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 927
a6b368f6 928 if (sdata->wdev.cac_started) {
d2859df5 929 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 930 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 931 cfg80211_cac_event(sdata->dev, &chandef,
932 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 933 GFP_KERNEL);
934 }
935
1041638f
JB		 936 drv_stop_ap(sdata->local, sdata);
937
7b20b8e8
JB		 938 /* free all potentially still buffered bcast frames */
939 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
940 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
941
34a3740d 942 mutex_lock(&local->mtx);
4e141dad 943 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 944 ieee80211_vif_release_channel(sdata);
34a3740d 945 mutex_unlock(&local->mtx);
55de908a 946
2d0ddec5 947 return 0;
5dfdaf58
JB		 948}
949
4fd6931e
JB		 950/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
951struct iapp_layer2_update {
952 u8 da[ETH_ALEN]; /* broadcast */
953 u8 sa[ETH_ALEN]; /* STA addr */
954 __be16 len; /* 6 */
955 u8 dsap; /* 0 */
956 u8 ssap; /* 0 */
957 u8 control;
958 u8 xid_info[3];
bc10502d 959} __packed;
4fd6931e
JB		 960
961static void ieee80211_send_layer2_update(struct sta_info *sta)
962{
963 struct iapp_layer2_update *msg;
964 struct sk_buff *skb;
965
966 /* Send Level 2 Update Frame to update forwarding tables in layer 2
967 * bridge devices */
968
969 skb = dev_alloc_skb(sizeof(*msg));
970 if (!skb)
971 return;
972 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
973
974 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
975 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
976
e83e6541 977 eth_broadcast_addr(msg->da);
17741cdc 978 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 979 msg->len = htons(6);
980 msg->dsap = 0;
981 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
982 msg->control = 0xaf; /* XID response lsb.1111F101.
983 * F=0 (no poll command; unsolicited frame) */
984 msg->xid_info[0] = 0x81; /* XID format identifier */
985 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
986 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
987
d0709a65
JB		 988 skb->dev = sta->sdata->dev;
989 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 990 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 991 netif_rx_ni(skb);
4fd6931e
JB		 992}
993
d582cffb
JB		 994static int sta_apply_auth_flags(struct ieee80211_local *local,
995 struct sta_info *sta,
996 u32 mask, u32 set)
997{
998 int ret;
999
1000 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1001 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1002 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1003 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1004 if (ret)
1005 return ret;
1006 }
1007
1008 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1009 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1010 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1011 /*
1012 * When peer becomes associated, init rate control as
1013 * well. Some drivers require rate control initialized
1014 * before drv_sta_state() is called.
1015 */
1016 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1017 rate_control_rate_init(sta);
1018
d582cffb
JB		 1019 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1020 if (ret)
1021 return ret;
1022 }
1023
1024 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1025 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1026 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1027 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1028 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1029 else
1030 ret = 0;
1031 if (ret)
1032 return ret;
1033 }
1034
1035 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1036 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1037 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1038 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1039 if (ret)
1040 return ret;
1041 }
1042
1043 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1044 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1045 test_sta_flag(sta, WLAN_STA_AUTH)) {
1046 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1047 if (ret)
1048 return ret;
1049 }
1050
1051 return 0;
1052}
1053
d9a7ddb0
JB		 1054static int sta_apply_parameters(struct ieee80211_local *local,
1055 struct sta_info *sta,
1056 struct station_parameters *params)
4fd6931e 1057{
d9a7ddb0 1058 int ret = 0;
8318d78a 1059 struct ieee80211_supported_band *sband;
d0709a65 1060 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1061 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1062 u32 mask, set;
4fd6931e 1063
55de908a 1064 sband = local->hw.wiphy->bands[band];
ae5eb026 1065
eccb8e8f
JB		 1066 mask = params->sta_flags_mask;
1067 set = params->sta_flags_set;
73651ee6 1068
d582cffb
JB		 1069 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1070 /*
1071 * In mesh mode, ASSOCIATED isn't part of the nl80211
1072 * API but must follow AUTHENTICATED for driver state.
1073 */
1074 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1075 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1076 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1077 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1078 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1079 /*
1080 * TDLS -- everything follows authorized, but
1081 * only becoming authorized is possible, not
1082 * going back
1083 */
1084 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1085 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1086 BIT(NL80211_STA_FLAG_ASSOCIATED);
1087 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1088 BIT(NL80211_STA_FLAG_ASSOCIATED);
1089 }
eccb8e8f 1090 }
4fd6931e 1091
2c44be81
JB		 1092 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1093 local->hw.queues >= IEEE80211_NUM_ACS)
1094 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1095
68885a54
AN		 1096 /* auth flags will be set later for TDLS stations */
1097 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1098 ret = sta_apply_auth_flags(local, sta, mask, set);
1099 if (ret)
1100 return ret;
1101 }
d9a7ddb0 1102
eccb8e8f 1103 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1104 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1105 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1106 else
1107 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1108 }
4fd6931e 1109
eccb8e8f 1110 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
64a8cef4 1111 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1112 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1113 set_sta_flag(sta, WLAN_STA_MFP);
1114 else
1115 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1116 }
b39c48fa 1117
07ba55d7 1118 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1119 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1120 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1121 else
1122 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1123 }
4fd6931e 1124
9041c1fa
AN		 1125 /* mark TDLS channel switch support, if the AP allows it */
1126 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1127 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1128 params->ext_capab_len >= 4 &&
1129 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1130 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1131
3b9ce80c
JB		 1132 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1133 sta->sta.uapsd_queues = params->uapsd_queues;
1134 sta->sta.max_sp = params->max_sp;
1135 }
9533b4ac 1136
51b50fbe
JB		 1137 /*
1138 * cfg80211 validates this (1-2007) and allows setting the AID
1139 * only when creating a new station entry
1140 */
1141 if (params->aid)
1142 sta->sta.aid = params->aid;
1143
73651ee6 1144 /*
ba23d206
JB		 1145 * Some of the following updates would be racy if called on an
1146 * existing station, via ieee80211_change_station(). However,
1147 * all such changes are rejected by cfg80211 except for updates
1148 * changing the supported rates on an existing but not yet used
1149 * TDLS peer.
73651ee6
JB		 1150 */
1151
4fd6931e
JB		 1152 if (params->listen_interval >= 0)
1153 sta->listen_interval = params->listen_interval;
1154
1155 if (params->supported_rates) {
2103dec1
SW		 1156 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1157 sband, params->supported_rates,
1158 params->supported_rates_len,
1159 &sta->sta.supp_rates[band]);
4fd6931e 1160 }
c5dd9c2b 1161
d9fe60de 1162 if (params->ht_capa)
ef96a842 1163 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1164 params->ht_capa, sta);
36aedc90 1165
f461be3e
MP		 1166 if (params->vht_capa)
1167 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1168 params->vht_capa, sta);
f461be3e 1169
b1bce14a 1170 if (params->opmode_notif_used) {
b1bce14a
MK		 1171 /* returned value is only needed for rc update, but the
1172 * rc isn't initialized here yet, so ignore it
1173 */
1174 __ieee80211_vht_handle_opmode(sdata, sta,
1175 params->opmode_notif,
1176 band, false);
1177 }
1178
9c3990aa 1179 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1180#ifdef CONFIG_MAC80211_MESH
39886b61 1181 u32 changed = 0;
77ee7c89
JB		 1182
1183 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1184 switch (params->plink_state) {
57cf8043 1185 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1186 if (sta->plink_state != NL80211_PLINK_ESTAB)
1187 changed = mesh_plink_inc_estab_count(
1188 sdata);
1189 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1190
1191 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1192 changed |= ieee80211_mps_set_sta_local_pm(sta,
1193 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1194 break;
1195 case NL80211_PLINK_LISTEN:
57cf8043 1196 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1197 case NL80211_PLINK_OPN_SNT:
1198 case NL80211_PLINK_OPN_RCVD:
1199 case NL80211_PLINK_CNF_RCVD:
1200 case NL80211_PLINK_HOLDING:
1201 if (sta->plink_state == NL80211_PLINK_ESTAB)
1202 changed = mesh_plink_dec_estab_count(
1203 sdata);
9c3990aa 1204 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1205
1206 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1207 changed |= ieee80211_mps_set_sta_local_pm(sta,
1208 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1209 break;
1210 default:
1211 /* nothing */
1212 break;
1213 }
77ee7c89
JB		 1214 }
1215
1216 switch (params->plink_action) {
1217 case NL80211_PLINK_ACTION_NO_ACTION:
1218 /* nothing */
1219 break;
1220 case NL80211_PLINK_ACTION_OPEN:
1221 changed |= mesh_plink_open(sta);
1222 break;
1223 case NL80211_PLINK_ACTION_BLOCK:
1224 changed |= mesh_plink_block(sta);
1225 break;
1617bab8 1226 }
3f52b7e3
MP		 1227
1228 if (params->local_pm)
39886b61
TP		 1229 changed |=
1230 ieee80211_mps_set_sta_local_pm(sta,
1231 params->local_pm);
6c751ef8 1232 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1233#endif
902acc78 1234 }
d9a7ddb0 1235
68885a54
AN		 1236 /* set the STA state after all sta info from usermode has been set */
1237 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1238 ret = sta_apply_auth_flags(local, sta, mask, set);
1239 if (ret)
1240 return ret;
1241 }
1242
d9a7ddb0 1243 return 0;
4fd6931e
JB		 1244}
1245
1246static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1247 const u8 *mac,
1248 struct station_parameters *params)
4fd6931e 1249{
14db74bc 1250 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1251 struct sta_info *sta;
1252 struct ieee80211_sub_if_data *sdata;
73651ee6 1253 int err;
b8d476c8 1254 int layer2_update;
4fd6931e 1255
4fd6931e
JB		 1256 if (params->vlan) {
1257 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1258
05c914fe
JB		 1259 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1260 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1261 return -EINVAL;
1262 } else
1263 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1264
b203ca39 1265 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1266 return -EINVAL;
1267
1268 if (is_multicast_ether_addr(mac))
1269 return -EINVAL;
1270
1271 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1272 if (!sta)
1273 return -ENOMEM;
4fd6931e 1274
d582cffb
JB		 1275 /*
1276 * defaults -- if userspace wants something else we'll
1277 * change it accordingly in sta_apply_parameters()
1278 */
77ee7c89
JB		 1279 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1280 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1281 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1282 } else {
1283 sta->sta.tdls = true;
77ee7c89 1284 }
4fd6931e 1285
d9a7ddb0
JB		 1286 err = sta_apply_parameters(local, sta, params);
1287 if (err) {
1288 sta_info_free(local, sta);
1289 return err;
1290 }
4fd6931e 1291
d64cf63e 1292 /*
77ee7c89
JB		 1293 * for TDLS, rate control should be initialized only when
1294 * rates are known and station is marked authorized
d64cf63e
AN		 1295 */
1296 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1297 rate_control_rate_init(sta);
4fd6931e 1298
b8d476c8
JM		 1299 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1300 sdata->vif.type == NL80211_IFTYPE_AP;
1301
34e89507 1302 err = sta_info_insert_rcu(sta);
73651ee6 1303 if (err) {
73651ee6
JB		 1304 rcu_read_unlock();
1305 return err;
1306 }
1307
b8d476c8 1308 if (layer2_update)
73651ee6
JB		 1309 ieee80211_send_layer2_update(sta);
1310
1311 rcu_read_unlock();
1312
4fd6931e
JB		 1313 return 0;
1314}
1315
1316static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1317 struct station_del_parameters *params)
4fd6931e 1318{
14db74bc 1319 struct ieee80211_sub_if_data *sdata;
4fd6931e 1320
14db74bc
JB		 1321 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1322
89c771e5
JM		 1323 if (params->mac)
1324 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1325
b998e8bb 1326 sta_info_flush(sdata);
4fd6931e
JB		 1327 return 0;
1328}
1329
1330static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1331 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1332 struct station_parameters *params)
1333{
abe60632 1334 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1335 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1336 struct sta_info *sta;
1337 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1338 enum cfg80211_station_type statype;
35b88623 1339 int err;
4fd6931e 1340
87be1e1e 1341 mutex_lock(&local->sta_mtx);
98dd6a57 1342
0e5ded5a 1343 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1344 if (!sta) {
77ee7c89
JB		 1345 err = -ENOENT;
1346 goto out_err;
98dd6a57 1347 }
4fd6931e 1348
77ee7c89
JB		 1349 switch (sdata->vif.type) {
1350 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1351 if (sdata->u.mesh.user_mpm)
eef941e6 1352 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1353 else
eef941e6 1354 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1355 break;
1356 case NL80211_IFTYPE_ADHOC:
1357 statype = CFG80211_STA_IBSS;
1358 break;
1359 case NL80211_IFTYPE_STATION:
1360 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1361 statype = CFG80211_STA_AP_STA;
1362 break;
1363 }
1364 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1365 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1366 else
1367 statype = CFG80211_STA_TDLS_PEER_SETUP;
1368 break;
1369 case NL80211_IFTYPE_AP:
1370 case NL80211_IFTYPE_AP_VLAN:
1371 statype = CFG80211_STA_AP_CLIENT;
1372 break;
1373 default:
1374 err = -EOPNOTSUPP;
1375 goto out_err;
bdd90d5e
JB		 1376 }
1377
77ee7c89
JB		 1378 err = cfg80211_check_station_change(wiphy, params, statype);
1379 if (err)
1380 goto out_err;
1381
d0709a65 1382 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1383 bool prev_4addr = false;
1384 bool new_4addr = false;
1385
4fd6931e
JB		 1386 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1387
9bc383de 1388 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1389 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1390 err = -EBUSY;
1391 goto out_err;
3305443c 1392 }
f14543ee 1393
cf778b00 1394 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1395 new_4addr = true;
1396 }
1397
1398 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1399 sta->sdata->u.vlan.sta) {
0c2bef46 1400 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1401 prev_4addr = true;
f14543ee
FF		 1402 }
1403
14db74bc 1404 sta->sdata = vlansdata;
7e3ed02c
FF		 1405
1406 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1407 prev_4addr != new_4addr) {
1408 if (new_4addr)
1409 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1410 else
1411 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1412 }
1413
4fd6931e
JB		 1414 ieee80211_send_layer2_update(sta);
1415 }
1416
35b88623 1417 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1418 if (err)
1419 goto out_err;
4fd6931e 1420
87be1e1e 1421 mutex_unlock(&local->sta_mtx);
98dd6a57 1422
687da132
EG		 1423 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1424 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1425 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1426 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1427 sta_info_tx_streams(sta) != 1) {
1428 ht_dbg(sta->sdata,
1429 "%pM just authorized and MIMO capable - update SMPS\n",
1430 sta->sta.addr);
1431 ieee80211_send_smps_action(sta->sdata,
1432 sta->sdata->bss->req_smps,
1433 sta->sta.addr,
1434 sta->sdata->vif.bss_conf.bssid);
1435 }
1436
808118cb 1437 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1438 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1439 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1440 ieee80211_recalc_ps_vif(sdata);
1441 }
77ee7c89 1442
4fd6931e 1443 return 0;
77ee7c89
JB		 1444out_err:
1445 mutex_unlock(&local->sta_mtx);
1446 return err;
4fd6931e
JB		 1447}
1448
c5dd9c2b
LCC		 1449#ifdef CONFIG_MAC80211_MESH
1450static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1451 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1452{
14db74bc 1453 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1454 struct mesh_path *mpath;
1455 struct sta_info *sta;
c5dd9c2b 1456
14db74bc
JB		 1457 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1458
d0709a65 1459 rcu_read_lock();
abe60632 1460 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1461 if (!sta) {
1462 rcu_read_unlock();
c5dd9c2b 1463 return -ENOENT;
d0709a65 1464 }
c5dd9c2b 1465
ae76eef0
BC		 1466 mpath = mesh_path_add(sdata, dst);
1467 if (IS_ERR(mpath)) {
d0709a65 1468 rcu_read_unlock();
ae76eef0 1469 return PTR_ERR(mpath);
d0709a65 1470 }
c5dd9c2b 1471
c5dd9c2b 1472 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1473
c5dd9c2b
LCC		 1474 rcu_read_unlock();
1475 return 0;
1476}
1477
1478static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1479 const u8 *dst)
c5dd9c2b 1480{
f698d856
JBG		 1481 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1482
c5dd9c2b 1483 if (dst)
bf7cd94d 1484 return mesh_path_del(sdata, dst);
c5dd9c2b 1485
ece1a2e7 1486 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1487 return 0;
1488}
1489
3b3a0162
JB		 1490static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1491 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1492{
14db74bc 1493 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1494 struct mesh_path *mpath;
1495 struct sta_info *sta;
1496
14db74bc
JB		 1497 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1498
d0709a65
JB		 1499 rcu_read_lock();
1500
abe60632 1501 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1502 if (!sta) {
1503 rcu_read_unlock();
c5dd9c2b 1504 return -ENOENT;
d0709a65 1505 }
c5dd9c2b 1506
bf7cd94d 1507 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1508 if (!mpath) {
1509 rcu_read_unlock();
c5dd9c2b
LCC		 1510 return -ENOENT;
1511 }
1512
1513 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1514
c5dd9c2b
LCC		 1515 rcu_read_unlock();
1516 return 0;
1517}
1518
1519static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1520 struct mpath_info *pinfo)
1521{
a3836e02
JB		 1522 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1523
1524 if (next_hop_sta)
1525 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1526 else
c84a67a2 1527 eth_zero_addr(next_hop);
c5dd9c2b 1528
7ce8c7a3
LAYS		 1529 memset(pinfo, 0, sizeof(*pinfo));
1530
f5ea9120
JB		 1531 pinfo->generation = mesh_paths_generation;
1532
c5dd9c2b 1533 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1534 MPATH_INFO_SN |
c5dd9c2b
LCC		 1535 MPATH_INFO_METRIC |
1536 MPATH_INFO_EXPTIME |
1537 MPATH_INFO_DISCOVERY_TIMEOUT |
1538 MPATH_INFO_DISCOVERY_RETRIES |
1539 MPATH_INFO_FLAGS;
1540
1541 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1542 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1543 pinfo->metric = mpath->metric;
1544 if (time_before(jiffies, mpath->exp_time))
1545 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1546 pinfo->discovery_timeout =
1547 jiffies_to_msecs(mpath->discovery_timeout);
1548 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1549 if (mpath->flags & MESH_PATH_ACTIVE)
1550 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1551 if (mpath->flags & MESH_PATH_RESOLVING)
1552 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1553 if (mpath->flags & MESH_PATH_SN_VALID)
1554 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1555 if (mpath->flags & MESH_PATH_FIXED)
1556 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1557 if (mpath->flags & MESH_PATH_RESOLVED)
1558 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1559}
1560
1561static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1562 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1563
1564{
14db74bc 1565 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1566 struct mesh_path *mpath;
1567
14db74bc
JB		 1568 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1569
c5dd9c2b 1570 rcu_read_lock();
bf7cd94d 1571 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1572 if (!mpath) {
1573 rcu_read_unlock();
1574 return -ENOENT;
1575 }
1576 memcpy(dst, mpath->dst, ETH_ALEN);
1577 mpath_set_pinfo(mpath, next_hop, pinfo);
1578 rcu_read_unlock();
1579 return 0;
1580}
1581
1582static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1583 int idx, u8 *dst, u8 *next_hop,
1584 struct mpath_info *pinfo)
c5dd9c2b 1585{
14db74bc 1586 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1587 struct mesh_path *mpath;
1588
14db74bc
JB		 1589 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1590
c5dd9c2b 1591 rcu_read_lock();
bf7cd94d 1592 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1593 if (!mpath) {
1594 rcu_read_unlock();
1595 return -ENOENT;
1596 }
1597 memcpy(dst, mpath->dst, ETH_ALEN);
1598 mpath_set_pinfo(mpath, next_hop, pinfo);
1599 rcu_read_unlock();
1600 return 0;
1601}
93da9cc1 1602
a2db2ed3
HR		 1603static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1604 struct mpath_info *pinfo)
1605{
1606 memset(pinfo, 0, sizeof(*pinfo));
1607 memcpy(mpp, mpath->mpp, ETH_ALEN);
1608
1609 pinfo->generation = mpp_paths_generation;
1610}
1611
1612static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1613 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1614
1615{
1616 struct ieee80211_sub_if_data *sdata;
1617 struct mesh_path *mpath;
1618
1619 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1620
1621 rcu_read_lock();
1622 mpath = mpp_path_lookup(sdata, dst);
1623 if (!mpath) {
1624 rcu_read_unlock();
1625 return -ENOENT;
1626 }
1627 memcpy(dst, mpath->dst, ETH_ALEN);
1628 mpp_set_pinfo(mpath, mpp, pinfo);
1629 rcu_read_unlock();
1630 return 0;
1631}
1632
1633static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1634 int idx, u8 *dst, u8 *mpp,
1635 struct mpath_info *pinfo)
1636{
1637 struct ieee80211_sub_if_data *sdata;
1638 struct mesh_path *mpath;
1639
1640 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1641
1642 rcu_read_lock();
1643 mpath = mpp_path_lookup_by_idx(sdata, idx);
1644 if (!mpath) {
1645 rcu_read_unlock();
1646 return -ENOENT;
1647 }
1648 memcpy(dst, mpath->dst, ETH_ALEN);
1649 mpp_set_pinfo(mpath, mpp, pinfo);
1650 rcu_read_unlock();
1651 return 0;
1652}
1653
24bdd9f4 1654static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1655 struct net_device *dev,
1656 struct mesh_config *conf)
1657{
1658 struct ieee80211_sub_if_data *sdata;
1659 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1660
93da9cc1 1661 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1662 return 0;
1663}
1664
1665static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1666{
1667 return (mask >> (parm-1)) & 0x1;
1668}
1669
c80d545d
JC		 1670static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1671 const struct mesh_setup *setup)
1672{
1673 u8 *new_ie;
1674 const u8 *old_ie;
4bb62344
CYY		 1675 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1676 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1677
581a8b0f 1678 /* allocate information elements */
c80d545d 1679 new_ie = NULL;
581a8b0f 1680 old_ie = ifmsh->ie;
c80d545d 1681
581a8b0f
JC		 1682 if (setup->ie_len) {
1683 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1684 GFP_KERNEL);
1685 if (!new_ie)
1686 return -ENOMEM;
1687 }
581a8b0f
JC		 1688 ifmsh->ie_len = setup->ie_len;
1689 ifmsh->ie = new_ie;
1690 kfree(old_ie);
c80d545d
JC		 1691
1692 /* now copy the rest of the setup parameters */
1693 ifmsh->mesh_id_len = setup->mesh_id_len;
1694 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1695 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1696 ifmsh->mesh_pp_id = setup->path_sel_proto;
1697 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1698 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1699 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1700 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1701 if (setup->is_authenticated)
1702 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1703 if (setup->is_secure)
1704 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1705
4bb62344
CYY		 1706 /* mcast rate setting in Mesh Node */
1707 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1708 sizeof(setup->mcast_rate));
ffb3cf30 1709 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1710
9bdbf04d
MP		 1711 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1712 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1713
c80d545d
JC		 1714 return 0;
1715}
1716
24bdd9f4 1717static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1718 struct net_device *dev, u32 mask,
1719 const struct mesh_config *nconf)
93da9cc1 1720{
1721 struct mesh_config *conf;
1722 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1723 struct ieee80211_if_mesh *ifmsh;
1724
93da9cc1 1725 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1726 ifmsh = &sdata->u.mesh;
93da9cc1 1727
93da9cc1 1728 /* Set the config options which we are interested in setting */
1729 conf = &(sdata->u.mesh.mshcfg);
1730 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1731 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1733 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1734 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1735 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1736 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1737 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1739 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1740 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1741 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1742 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1743 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1744 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1745 if (ifmsh->user_mpm)
1746 return -EBUSY;
93da9cc1 1747 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1748 }
d299a1f2
JC		 1749 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1750 conf->dot11MeshNbrOffsetMaxNeighbor =
1751 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1752 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1753 conf->dot11MeshHWMPmaxPREQretries =
1754 nconf->dot11MeshHWMPmaxPREQretries;
1755 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1756 conf->path_refresh_time = nconf->path_refresh_time;
1757 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1758 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1759 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1760 conf->dot11MeshHWMPactivePathTimeout =
1761 nconf->dot11MeshHWMPactivePathTimeout;
1762 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1763 conf->dot11MeshHWMPpreqMinInterval =
1764 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1765 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1766 conf->dot11MeshHWMPperrMinInterval =
1767 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1768 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1769 mask))
1770 conf->dot11MeshHWMPnetDiameterTraversalTime =
1771 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1772 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1773 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1774 ieee80211_mesh_root_setup(ifmsh);
1775 }
16dd7267 1776 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1777 /* our current gate announcement implementation rides on root
1778 * announcements, so require this ifmsh to also be a root node
1779 * */
1780 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1781 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1782 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1783 ieee80211_mesh_root_setup(ifmsh);
1784 }
16dd7267
JC		 1785 conf->dot11MeshGateAnnouncementProtocol =
1786 nconf->dot11MeshGateAnnouncementProtocol;
1787 }
a4f606ea 1788 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1789 conf->dot11MeshHWMPRannInterval =
1790 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1791 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1792 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1793 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1794 /* our RSSI threshold implementation is supported only for
1795 * devices that report signal in dBm.
1796 */
1797 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1798 return -ENOTSUPP;
1799 conf->rssi_threshold = nconf->rssi_threshold;
1800 }
70c33eaa
AN		 1801 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1802 conf->ht_opmode = nconf->ht_opmode;
1803 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1804 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1805 }
ac1073a6
CYY		 1806 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1807 conf->dot11MeshHWMPactivePathToRootTimeout =
1808 nconf->dot11MeshHWMPactivePathToRootTimeout;
1809 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1810 conf->dot11MeshHWMProotInterval =
1811 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1812 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1813 conf->dot11MeshHWMPconfirmationInterval =
1814 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1815 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1816 conf->power_mode = nconf->power_mode;
1817 ieee80211_mps_local_status_update(sdata);
1818 }
2b5e1967 1819 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1820 conf->dot11MeshAwakeWindowDuration =
1821 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1822 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1823 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1824 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1825 return 0;
1826}
1827
29cbe68c
JB		 1828static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1829 const struct mesh_config *conf,
1830 const struct mesh_setup *setup)
1831{
1832 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1833 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1834 int err;
29cbe68c 1835
c80d545d
JC		 1836 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1837 err = copy_mesh_setup(ifmsh, setup);
1838 if (err)
1839 return err;
cc1d2806 1840
04ecd257
JB		 1841 /* can mesh use other SMPS modes? */
1842 sdata->smps_mode = IEEE80211_SMPS_OFF;
1843 sdata->needed_rx_chains = sdata->local->rx_chains;
1844
34a3740d 1845 mutex_lock(&sdata->local->mtx);
4bf88530 1846 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1847 IEEE80211_CHANCTX_SHARED);
34a3740d 1848 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1849 if (err)
1850 return err;
1851
2b5e1967 1852 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1853}
1854
1855static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1856{
1857 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1858
1859 ieee80211_stop_mesh(sdata);
34a3740d 1860 mutex_lock(&sdata->local->mtx);
55de908a 1861 ieee80211_vif_release_channel(sdata);
34a3740d 1862 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1863
1864 return 0;
1865}
c5dd9c2b
LCC		 1866#endif
1867
9f1ba906
JM		 1868static int ieee80211_change_bss(struct wiphy *wiphy,
1869 struct net_device *dev,
1870 struct bss_parameters *params)
1871{
55de908a
JB		 1872 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1873 enum ieee80211_band band;
9f1ba906
JM		 1874 u32 changed = 0;
1875
7ca133bc 1876 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1877 return -ENOENT;
1878
1879 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1880
9f1ba906 1881 if (params->use_cts_prot >= 0) {
bda3933a 1882 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1883 changed |= BSS_CHANGED_ERP_CTS_PROT;
1884 }
1885 if (params->use_short_preamble >= 0) {
bda3933a 1886 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1887 params->use_short_preamble;
1888 changed |= BSS_CHANGED_ERP_PREAMBLE;
1889 }
43d35343
FF		 1890
1891 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1892 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1893 sdata->vif.bss_conf.use_short_slot = true;
1894 changed |= BSS_CHANGED_ERP_SLOT;
1895 }
1896
9f1ba906 1897 if (params->use_short_slot_time >= 0) {
bda3933a 1898 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1899 params->use_short_slot_time;
1900 changed |= BSS_CHANGED_ERP_SLOT;
1901 }
1902
90c97a04 1903 if (params->basic_rates) {
2103dec1
SW		 1904 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1905 wiphy->bands[band],
1906 params->basic_rates,
1907 params->basic_rates_len,
1908 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1909 changed |= BSS_CHANGED_BASIC_RATES;
1910 }
1911
7b7b5e56
FF		 1912 if (params->ap_isolate >= 0) {
1913 if (params->ap_isolate)
1914 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1915 else
1916 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1917 }
1918
80d7e403
HS		 1919 if (params->ht_opmode >= 0) {
1920 sdata->vif.bss_conf.ht_operation_mode =
1921 (u16) params->ht_opmode;
1922 changed |= BSS_CHANGED_HT;
1923 }
1924
339afbf4 1925 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1926 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1927 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1928 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1929 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1930 changed |= BSS_CHANGED_P2P_PS;
1931 }
1932
67baf663
JD		 1933 if (params->p2p_opp_ps > 0) {
1934 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1935 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1936 changed |= BSS_CHANGED_P2P_PS;
1937 } else if (params->p2p_opp_ps == 0) {
1938 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1939 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1940 changed |= BSS_CHANGED_P2P_PS;
1941 }
1942
9f1ba906
JM		 1943 ieee80211_bss_info_change_notify(sdata, changed);
1944
1945 return 0;
1946}
1947
31888487 1948static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1949 struct net_device *dev,
31888487
JM		 1950 struct ieee80211_txq_params *params)
1951{
1952 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1953 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1954 struct ieee80211_tx_queue_params p;
1955
1956 if (!local->ops->conf_tx)
1957 return -EOPNOTSUPP;
1958
54bcbc69
JB		 1959 if (local->hw.queues < IEEE80211_NUM_ACS)
1960 return -EOPNOTSUPP;
1961
31888487
JM		 1962 memset(&p, 0, sizeof(p));
1963 p.aifs = params->aifs;
1964 p.cw_max = params->cwmax;
1965 p.cw_min = params->cwmin;
1966 p.txop = params->txop;
ab13315a
KV		 1967
1968 /*
1969 * Setting tx queue params disables u-apsd because it's only
1970 * called in master mode.
1971 */
1972 p.uapsd = false;
1973
a3304b0a
JB		 1974 sdata->tx_conf[params->ac] = p;
1975 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1976 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1977 "failed to set TX queue parameters for AC %d\n",
1978 params->ac);
31888487
JM		 1979 return -EINVAL;
1980 }
1981
7d25745d
JB		 1982 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1983
31888487
JM		 1984 return 0;
1985}
1986
665af4fc 1987#ifdef CONFIG_PM
ff1b6e69
JB		 1988static int ieee80211_suspend(struct wiphy *wiphy,
1989 struct cfg80211_wowlan *wowlan)
665af4fc 1990{
eecc4800 1991 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1992}
1993
1994static int ieee80211_resume(struct wiphy *wiphy)
1995{
1996 return __ieee80211_resume(wiphy_priv(wiphy));
1997}
1998#else
1999#define ieee80211_suspend NULL
2000#define ieee80211_resume NULL
2001#endif
2002
2a519311 2003static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2004 struct cfg80211_scan_request *req)
2005{
fd014284
JB		 2006 struct ieee80211_sub_if_data *sdata;
2007
2008 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2009
2ca27bcf
JB		 2010 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2011 case NL80211_IFTYPE_STATION:
2012 case NL80211_IFTYPE_ADHOC:
2013 case NL80211_IFTYPE_MESH_POINT:
2014 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2015 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2016 break;
2017 case NL80211_IFTYPE_P2P_GO:
2018 if (sdata->local->ops->hw_scan)
2019 break;
e9d7732e
JB		 2020 /*
2021 * FIXME: implement NoA while scanning in software,
2022 * for now fall through to allow scanning only when
2023 * beaconing hasn't been configured yet
2024 */
2ca27bcf 2025 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2026 /*
2027 * If the scan has been forced (and the driver supports
2028 * forcing), don't care about being beaconing already.
2029 * This will create problems to the attached stations (e.g. all
2030 * the frames sent while scanning on other channel will be
2031 * lost)
2032 */
2033 if (sdata->u.ap.beacon &&
2034 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2035 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2036 return -EOPNOTSUPP;
2037 break;
2038 default:
2039 return -EOPNOTSUPP;
2040 }
2a519311
JB		 2041
2042 return ieee80211_request_scan(sdata, req);
2043}
2044
79f460ca
LC		 2045static int
2046ieee80211_sched_scan_start(struct wiphy *wiphy,
2047 struct net_device *dev,
2048 struct cfg80211_sched_scan_request *req)
2049{
2050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2051
2052 if (!sdata->local->ops->sched_scan_start)
2053 return -EOPNOTSUPP;
2054
2055 return ieee80211_request_sched_scan_start(sdata, req);
2056}
2057
2058static int
85a9994a 2059ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2060{
2061 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2062
2063 if (!sdata->local->ops->sched_scan_stop)
2064 return -EOPNOTSUPP;
2065
85a9994a 2066 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2067}
2068
636a5d36
JM		 2069static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2070 struct cfg80211_auth_request *req)
2071{
77fdaa12 2072 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2073}
2074
2075static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2076 struct cfg80211_assoc_request *req)
2077{
77fdaa12 2078 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2079}
2080
2081static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2082 struct cfg80211_deauth_request *req)
636a5d36 2083{
63c9c5e7 2084 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2085}
2086
2087static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2088 struct cfg80211_disassoc_request *req)
636a5d36 2089{
63c9c5e7 2090 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2091}
2092
af8cdcd8
JB		 2093static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2094 struct cfg80211_ibss_params *params)
2095{
55de908a 2096 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2097}
2098
2099static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2100{
55de908a 2101 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2102}
2103
239281f8
RL		 2104static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2105 struct ocb_setup *setup)
2106{
2107 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2108}
2109
2110static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2111{
2112 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2113}
2114
391e53e3
AQ		 2115static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2116 int rate[IEEE80211_NUM_BANDS])
2117{
2118 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2119
9887dbf5
CD		 2120 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2121 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2122
2123 return 0;
2124}
2125
b9a5f8ca
JM		 2126static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2127{
2128 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2129 int err;
b9a5f8ca 2130
f23a4780 2131 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2132 ieee80211_check_fast_xmit_all(local);
2133
f23a4780
AN		 2134 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2135
17c18bf8
JB		 2136 if (err) {
2137 ieee80211_check_fast_xmit_all(local);
f23a4780 2138 return err;
17c18bf8 2139 }
f23a4780
AN		 2140 }
2141
a4bcaf55
LB		 2142 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2143 (changed & WIPHY_PARAM_DYN_ACK)) {
2144 s16 coverage_class;
2145
2146 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2147 wiphy->coverage_class : -1;
2148 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2149
2150 if (err)
2151 return err;
2152 }
2153
b9a5f8ca 2154 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2155 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2156
24487981
JB		 2157 if (err)
2158 return err;
b9a5f8ca
JM		 2159 }
2160
8bc83c24
JB		 2161 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2162 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2163 return -EINVAL;
b9a5f8ca 2164 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2165 }
2166 if (changed & WIPHY_PARAM_RETRY_LONG) {
2167 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2168 return -EINVAL;
b9a5f8ca 2169 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2170 }
b9a5f8ca
JM		 2171 if (changed &
2172 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2173 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2174
2175 return 0;
2176}
2177
7643a2c3 2178static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2179 struct wireless_dev *wdev,
fa61cf70 2180 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2181{
2182 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2183 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2184 enum nl80211_tx_power_setting txp_type = type;
2185 bool update_txp_type = false;
7643a2c3 2186
1ea6f9c0
JB		 2187 if (wdev) {
2188 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2189
2190 switch (type) {
2191 case NL80211_TX_POWER_AUTOMATIC:
2192 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2193 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2194 break;
2195 case NL80211_TX_POWER_LIMITED:
2196 case NL80211_TX_POWER_FIXED:
2197 if (mbm < 0 || (mbm % 100))
2198 return -EOPNOTSUPP;
2199 sdata->user_power_level = MBM_TO_DBM(mbm);
2200 break;
2201 }
2202
db82d8a9
LB		 2203 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2204 update_txp_type = true;
2205 sdata->vif.bss_conf.txpower_type = txp_type;
2206 }
2207
2208 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2209
2210 return 0;
2211 }
55de908a 2212
7643a2c3 2213 switch (type) {
fa61cf70 2214 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2215 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2216 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2217 break;
fa61cf70 2218 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2219 case NL80211_TX_POWER_FIXED:
2220 if (mbm < 0 || (mbm % 100))
2221 return -EOPNOTSUPP;
fa61cf70 2222 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2223 break;
7643a2c3
JB		 2224 }
2225
1ea6f9c0 2226 mutex_lock(&local->iflist_mtx);
db82d8a9 2227 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2228 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2229 if (txp_type != sdata->vif.bss_conf.txpower_type)
2230 update_txp_type = true;
2231 sdata->vif.bss_conf.txpower_type = txp_type;
2232 }
1ea6f9c0 2233 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2234 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2235 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2236
2237 return 0;
2238}
2239
c8442118
JB		 2240static int ieee80211_get_tx_power(struct wiphy *wiphy,
2241 struct wireless_dev *wdev,
2242 int *dbm)
7643a2c3
JB		 2243{
2244 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2245 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2246
5b3dc42b
FF		 2247 if (local->ops->get_txpower)
2248 return drv_get_txpower(local, sdata, dbm);
2249
1ea6f9c0
JB		 2250 if (!local->use_chanctx)
2251 *dbm = local->hw.conf.power_level;
2252 else
2253 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2254
7643a2c3
JB		 2255 return 0;
2256}
2257
ab737a4f 2258static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2259 const u8 *addr)
ab737a4f
JB		 2260{
2261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2262
2263 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2264
2265 return 0;
2266}
2267
1f87f7d3
JB		 2268static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2269{
2270 struct ieee80211_local *local = wiphy_priv(wiphy);
2271
2272 drv_rfkill_poll(local);
2273}
2274
aff89a9b 2275#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2276static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2277 struct wireless_dev *wdev,
2278 void *data, int len)
aff89a9b
JB		 2279{
2280 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2281 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2282
2283 if (!local->ops->testmode_cmd)
2284 return -EOPNOTSUPP;
2285
52981cd7
DS		 2286 if (wdev) {
2287 struct ieee80211_sub_if_data *sdata;
2288
2289 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2290 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2291 vif = &sdata->vif;
2292 }
2293
2294 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2295}
71063f0e
WYG		 2296
2297static int ieee80211_testmode_dump(struct wiphy *wiphy,
2298 struct sk_buff *skb,
2299 struct netlink_callback *cb,
2300 void *data, int len)
2301{
2302 struct ieee80211_local *local = wiphy_priv(wiphy);
2303
2304 if (!local->ops->testmode_dump)
2305 return -EOPNOTSUPP;
2306
2307 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2308}
aff89a9b
JB		 2309#endif
2310
687da132
EG		 2311int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2312 enum ieee80211_smps_mode smps_mode)
2313{
2314 struct sta_info *sta;
2315 enum ieee80211_smps_mode old_req;
687da132
EG		 2316
2317 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2318 return -EINVAL;
2319
2320 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2321 return 0;
2322
2323 old_req = sdata->u.ap.req_smps;
2324 sdata->u.ap.req_smps = smps_mode;
2325
2326 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2327 if (old_req == smps_mode ||
2328 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2329 return 0;
2330
2331 /* If no associated stations, there's no need to do anything */
2332 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2333 sdata->smps_mode = smps_mode;
2334 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2335 return 0;
2336 }
2337
2338 ht_dbg(sdata,
6a8b4adb 2339 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2340 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2341
2342 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2343 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2344 /*
2345 * Only stations associated to our AP and
2346 * associated VLANs
2347 */
2348 if (sta->sdata->bss != &sdata->u.ap)
2349 continue;
687da132 2350
7d9bb2f0
JB		 2351 /* This station doesn't support MIMO - skip it */
2352 if (sta_info_tx_streams(sta) == 1)
2353 continue;
687da132 2354
7d9bb2f0
JB		 2355 /*
2356 * Don't wake up a STA just to send the action frame
2357 * unless we are getting more restrictive.
2358 */
2359 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2360 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2361 smps_mode)) {
2362 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2363 sta->sta.addr);
2364 continue;
2365 }
687da132 2366
7d9bb2f0
JB		 2367 /*
2368 * If the STA is not authorized, wait until it gets
2369 * authorized and the action frame will be sent then.
2370 */
2371 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2372 continue;
687da132 2373
7d9bb2f0
JB		 2374 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2375 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2376 sdata->vif.bss_conf.bssid);
687da132
EG		 2377 }
2378 mutex_unlock(&sdata->local->sta_mtx);
2379
2380 sdata->smps_mode = smps_mode;
2381 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2382
2383 return 0;
2384}
2385
2386int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2387 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2388{
2389 const u8 *ap;
2390 enum ieee80211_smps_mode old_req;
2391 int err;
2392
8d61ffa5 2393 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2394
687da132
EG		 2395 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2396 return -EINVAL;
2397
0f78231b
JB		 2398 old_req = sdata->u.mgd.req_smps;
2399 sdata->u.mgd.req_smps = smps_mode;
2400
2401 if (old_req == smps_mode &&
2402 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2403 return 0;
2404
2405 /*
2406 * If not associated, or current association is not an HT
04ecd257
JB		 2407 * association, there's no need to do anything, just store
2408 * the new value until we associate.
0f78231b
JB		 2409 */
2410 if (!sdata->u.mgd.associated ||
4bf88530 2411 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2412 return 0;
0f78231b 2413
0c1ad2ca 2414 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2415
2416 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2417 if (sdata->u.mgd.powersave)
2418 smps_mode = IEEE80211_SMPS_DYNAMIC;
2419 else
2420 smps_mode = IEEE80211_SMPS_OFF;
2421 }
2422
2423 /* send SM PS frame to AP */
2424 err = ieee80211_send_smps_action(sdata, smps_mode,
2425 ap, ap);
2426 if (err)
2427 sdata->u.mgd.req_smps = old_req;
2428
2429 return err;
2430}
2431
bc92afd9
JB		 2432static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2433 bool enabled, int timeout)
2434{
2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2436 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2437
2d3db210 2438 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2439 return -EOPNOTSUPP;
2440
bc92afd9
JB		 2441 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2442 return -EOPNOTSUPP;
2443
2444 if (enabled == sdata->u.mgd.powersave &&
ff616381 2445 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2446 return 0;
2447
2448 sdata->u.mgd.powersave = enabled;
ff616381 2449 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2450
0f78231b 2451 /* no change, but if automatic follow powersave */
ed405be5 2452 sdata_lock(sdata);
687da132 2453 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2454 sdata_unlock(sdata);
0f78231b 2455
bc92afd9
JB		 2456 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2457 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2458
2459 ieee80211_recalc_ps(local, -1);
ab095877 2460 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2461
2462 return 0;
2463}
2464
a97c13c3
JO		 2465static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2466 struct net_device *dev,
2467 s32 rssi_thold, u32 rssi_hyst)
2468{
2469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2470 struct ieee80211_vif *vif = &sdata->vif;
2471 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2472
a97c13c3
JO		 2473 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2474 rssi_hyst == bss_conf->cqm_rssi_hyst)
2475 return 0;
2476
2477 bss_conf->cqm_rssi_thold = rssi_thold;
2478 bss_conf->cqm_rssi_hyst = rssi_hyst;
2479
2480 /* tell the driver upon association, unless already associated */
ea086359
JB		 2481 if (sdata->u.mgd.associated &&
2482 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2483 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2484
2485 return 0;
2486}
2487
9930380f
JB		 2488static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2489 struct net_device *dev,
2490 const u8 *addr,
2491 const struct cfg80211_bitrate_mask *mask)
2492{
2493 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2494 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2495 int i, ret;
2c7e6bc9 2496
554a43d5
EP		 2497 if (!ieee80211_sdata_running(sdata))
2498 return -ENETDOWN;
2499
bdbfd6b5
SM		 2500 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2501 ret = drv_set_bitrate_mask(local, sdata, mask);
2502 if (ret)
2503 return ret;
2504 }
9930380f 2505
19468413 2506 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2507 struct ieee80211_supported_band *sband = wiphy->bands[i];
2508 int j;
2509
37eb0b16 2510 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2511 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2512 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2513
2514 sdata->rc_has_mcs_mask[i] = false;
2515 if (!sband)
2516 continue;
2517
2518 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2519 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2520 sdata->rc_has_mcs_mask[i] = true;
2521 break;
2522 }
19468413 2523 }
9930380f 2524
37eb0b16 2525 return 0;
9930380f
JB		 2526}
2527
eaa336b0
EP		 2528static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2529 struct ieee80211_roc_work *new_roc,
2530 struct ieee80211_roc_work *cur_roc)
2531{
2532 unsigned long j = jiffies;
2533 unsigned long cur_roc_end = cur_roc->hw_start_time +
2534 msecs_to_jiffies(cur_roc->duration);
2535 struct ieee80211_roc_work *next_roc;
2536 int new_dur;
2537
2538 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2539 return false;
2540
2541 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2542 return false;
2543
2544 ieee80211_handle_roc_started(new_roc);
2545
2546 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2547
2548 /* cur_roc is long enough - add new_roc to the dependents list. */
2549 if (new_dur <= 0) {
2550 list_add_tail(&new_roc->list, &cur_roc->dependents);
2551 return true;
2552 }
2553
2554 new_roc->duration = new_dur;
2555
2556 /*
2557 * if cur_roc was already coalesced before, we might
2558 * want to extend the next roc instead of adding
2559 * a new one.
2560 */
2561 next_roc = list_entry(cur_roc->list.next,
2562 struct ieee80211_roc_work, list);
2563 if (&next_roc->list != &local->roc_list &&
2564 next_roc->chan == new_roc->chan &&
2565 next_roc->sdata == new_roc->sdata &&
2566 !WARN_ON(next_roc->started)) {
2567 list_add_tail(&new_roc->list, &next_roc->dependents);
2568 next_roc->duration = max(next_roc->duration,
2569 new_roc->duration);
2570 next_roc->type = max(next_roc->type, new_roc->type);
2571 return true;
2572 }
2573
2574 /* add right after cur_roc */
2575 list_add(&new_roc->list, &cur_roc->list);
2576
2577 return true;
2578}
2579
2eb278e0
JB		 2580static int ieee80211_start_roc_work(struct ieee80211_local *local,
2581 struct ieee80211_sub_if_data *sdata,
2582 struct ieee80211_channel *channel,
2eb278e0 2583 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2584 struct sk_buff *txskb,
2585 enum ieee80211_roc_type type)
2eb278e0
JB		 2586{
2587 struct ieee80211_roc_work *roc, *tmp;
2588 bool queued = false;
21f83589 2589 int ret;
21f83589
JB		 2590
2591 lockdep_assert_held(&local->mtx);
2592
fe57d9f5
JB		 2593 if (local->use_chanctx && !local->ops->remain_on_channel)
2594 return -EOPNOTSUPP;
2595
2eb278e0
JB		 2596 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2597 if (!roc)
2598 return -ENOMEM;
2599
2fae062e
IP		 2600 /*
2601 * If the duration is zero, then the driver
2602 * wouldn't actually do anything. Set it to
2603 * 10 for now.
2604 *
2605 * TODO: cancel the off-channel operation
2606 * when we get the SKB's TX status and
2607 * the wait time was zero before.
2608 */
2609 if (!duration)
2610 duration = 10;
2611
2eb278e0 2612 roc->chan = channel;
2eb278e0
JB		 2613 roc->duration = duration;
2614 roc->req_duration = duration;
2615 roc->frame = txskb;
d339d5ca 2616 roc->type = type;
2eb278e0
JB		 2617 roc->mgmt_tx_cookie = (unsigned long)txskb;
2618 roc->sdata = sdata;
2619 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2620 INIT_LIST_HEAD(&roc->dependents);
2621
2f617435
EP		 2622 /*
2623 * cookie is either the roc cookie (for normal roc)
2624 * or the SKB (for mgmt TX)
2625 */
2626 if (!txskb) {
2627 /* local->mtx protects this */
2628 local->roc_cookie_counter++;
2629 roc->cookie = local->roc_cookie_counter;
2630 /* wow, you wrapped 64 bits ... more likely a bug */
2631 if (WARN_ON(roc->cookie == 0)) {
2632 roc->cookie = 1;
2633 local->roc_cookie_counter++;
2634 }
2635 *cookie = roc->cookie;
2636 } else {
2637 *cookie = (unsigned long)txskb;
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,
2eb278e0
JB		 2689 * check that there's still a minimum time left and
2690 * if so, start this one, transmitting the frame, but
d339d5ca 2691 * add it to the list directly after this one with
2eb278e0
JB		 2692 * a reduced time so we'll ask the driver to execute
2693 * it right after finishing the previous one, in the
2694 * hope that it'll also be executed right afterwards,
2695 * effectively extending the old one.
2696 * If there's no minimum time left, just add it to the
2697 * normal list.
d339d5ca
IP		 2698 * TODO: the ROC type is ignored here, assuming that it
2699 * is better to immediately use the current ROC.
2eb278e0
JB		 2700 */
2701 if (!tmp->hw_begun) {
2702 list_add_tail(&roc->list, &tmp->dependents);
2703 queued = true;
2704 break;
2705 }
2706
eaa336b0 2707 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2708 queued = true;
2eb278e0
JB		 2709 } else if (del_timer_sync(&tmp->work.timer)) {
2710 unsigned long new_end;
2711
2712 /*
2713 * In the software ROC case, cancel the timer, if
2714 * that fails then the finish work is already
2715 * queued/pending and thus we queue the new ROC
2716 * normally, if that succeeds then we can extend
2717 * the timer duration and TX the frame (if any.)
2718 */
2719
2720 list_add_tail(&roc->list, &tmp->dependents);
2721 queued = true;
2722
2723 new_end = jiffies + msecs_to_jiffies(roc->duration);
2724
2725 /* ok, it was started & we canceled timer */
2726 if (time_after(new_end, tmp->work.timer.expires))
2727 mod_timer(&tmp->work.timer, new_end);
2728 else
2729 add_timer(&tmp->work.timer);
2730
2731 ieee80211_handle_roc_started(roc);
2732 }
2733 break;
2734 }
2735
2736 out_queue:
2737 if (!queued)
2738 list_add_tail(&roc->list, &local->roc_list);
2739
2eb278e0 2740 return 0;
21f83589
JB		 2741}
2742
b8bc4b0a 2743static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2744 struct wireless_dev *wdev,
b8bc4b0a 2745 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2746 unsigned int duration,
2747 u64 *cookie)
2748{
71bbc994 2749 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2750 struct ieee80211_local *local = sdata->local;
2eb278e0 2751 int ret;
21f83589 2752
2eb278e0 2753 mutex_lock(&local->mtx);
42d97a59 2754 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2755 duration, cookie, NULL,
2756 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2757 mutex_unlock(&local->mtx);
b8bc4b0a 2758
2eb278e0 2759 return ret;
b8bc4b0a
JB		 2760}
2761
2eb278e0
JB		 2762static int ieee80211_cancel_roc(struct ieee80211_local *local,
2763 u64 cookie, bool mgmt_tx)
21f83589 2764{
2eb278e0 2765 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2766 int ret;
2767
2eb278e0
JB		 2768 mutex_lock(&local->mtx);
2769 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2770 struct ieee80211_roc_work *dep, *tmp2;
2771
2772 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2773 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2774 continue;
2775 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2776 continue;
2777 /* found dependent item -- just remove it */
2778 list_del(&dep->list);
2779 mutex_unlock(&local->mtx);
2780
3fbd45ca 2781 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2782 return 0;
2783 }
2784
50febf6a 2785 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2786 continue;
2787 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2788 continue;
21f83589 2789
2eb278e0
JB		 2790 found = roc;
2791 break;
2792 }
21f83589 2793
2eb278e0
JB		 2794 if (!found) {
2795 mutex_unlock(&local->mtx);
2796 return -ENOENT;
2797 }
21f83589 2798
e979e33c
JB		 2799 /*
2800 * We found the item to cancel, so do that. Note that it
2801 * may have dependents, which we also cancel (and send
2802 * the expired signal for.) Not doing so would be quite
2803 * tricky here, but we may need to fix it later.
2804 */
2805
2eb278e0
JB		 2806 if (local->ops->remain_on_channel) {
2807 if (found->started) {
2808 ret = drv_cancel_remain_on_channel(local);
2809 if (WARN_ON_ONCE(ret)) {
2810 mutex_unlock(&local->mtx);
2811 return ret;
2812 }
2813 }
21f83589 2814
2eb278e0 2815 list_del(&found->list);
21f83589 2816
0f6b3f59
JB		 2817 if (found->started)
2818 ieee80211_start_next_roc(local);
2eb278e0 2819 mutex_unlock(&local->mtx);
21f83589 2820
3fbd45ca 2821 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2822 } else {
2823 /* work may be pending so use it all the time */
2824 found->abort = true;
2825 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2826
21f83589
JB		 2827 mutex_unlock(&local->mtx);
2828
2eb278e0
JB		 2829 /* work will clean up etc */
2830 flush_delayed_work(&found->work);
3fbd45ca
JB		 2831 WARN_ON(!found->to_be_freed);
2832 kfree(found);
21f83589 2833 }
b8bc4b0a 2834
2eb278e0 2835 return 0;
b8bc4b0a
JB		 2836}
2837
2eb278e0 2838static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2839 struct wireless_dev *wdev,
2eb278e0 2840 u64 cookie)
f30221e4 2841{
71bbc994 2842 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2843 struct ieee80211_local *local = sdata->local;
f30221e4 2844
2eb278e0 2845 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2846}
2847
164eb02d
SW		 2848static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2849 struct net_device *dev,
31559f35
JD		 2850 struct cfg80211_chan_def *chandef,
2851 u32 cac_time_ms)
164eb02d
SW		 2852{
2853 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2854 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2855 int err;
2856
34a3740d
JB		 2857 mutex_lock(&local->mtx);
2858 if (!list_empty(&local->roc_list) || local->scanning) {
2859 err = -EBUSY;
2860 goto out_unlock;
2861 }
164eb02d
SW		 2862
2863 /* whatever, but channel contexts should not complain about that one */
2864 sdata->smps_mode = IEEE80211_SMPS_OFF;
2865 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2866
164eb02d
SW		 2867 err = ieee80211_vif_use_channel(sdata, chandef,
2868 IEEE80211_CHANCTX_SHARED);
164eb02d 2869 if (err)
34a3740d 2870 goto out_unlock;
164eb02d 2871
164eb02d 2872 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2873 &sdata->dfs_cac_timer_work,
2874 msecs_to_jiffies(cac_time_ms));
164eb02d 2875
34a3740d
JB		 2876 out_unlock:
2877 mutex_unlock(&local->mtx);
2878 return err;
164eb02d
SW		 2879}
2880
73da7d5b
SW		 2881static struct cfg80211_beacon_data *
2882cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2883{
2884 struct cfg80211_beacon_data *new_beacon;
2885 u8 *pos;
2886 int len;
2887
2888 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2889 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2890 beacon->probe_resp_len;
2891
2892 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2893 if (!new_beacon)
2894 return NULL;
2895
2896 pos = (u8 *)(new_beacon + 1);
2897 if (beacon->head_len) {
2898 new_beacon->head_len = beacon->head_len;
2899 new_beacon->head = pos;
2900 memcpy(pos, beacon->head, beacon->head_len);
2901 pos += beacon->head_len;
2902 }
2903 if (beacon->tail_len) {
2904 new_beacon->tail_len = beacon->tail_len;
2905 new_beacon->tail = pos;
2906 memcpy(pos, beacon->tail, beacon->tail_len);
2907 pos += beacon->tail_len;
2908 }
2909 if (beacon->beacon_ies_len) {
2910 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2911 new_beacon->beacon_ies = pos;
2912 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2913 pos += beacon->beacon_ies_len;
2914 }
2915 if (beacon->proberesp_ies_len) {
2916 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2917 new_beacon->proberesp_ies = pos;
2918 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2919 pos += beacon->proberesp_ies_len;
2920 }
2921 if (beacon->assocresp_ies_len) {
2922 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2923 new_beacon->assocresp_ies = pos;
2924 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2925 pos += beacon->assocresp_ies_len;
2926 }
2927 if (beacon->probe_resp_len) {
2928 new_beacon->probe_resp_len = beacon->probe_resp_len;
2929 beacon->probe_resp = pos;
2930 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2931 pos += beacon->probe_resp_len;
2932 }
2933
2934 return new_beacon;
2935}
2936
66e01cf9 2937void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2938{
66e01cf9 2939 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2940
66e01cf9
LC		 2941 ieee80211_queue_work(&sdata->local->hw,
2942 &sdata->csa_finalize_work);
2943}
2944EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2945
66199506
MK		 2946static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2947 u32 *changed)
66e01cf9 2948{
66199506 2949 int err;
7578d575 2950
cd7760e6
SW		 2951 switch (sdata->vif.type) {
2952 case NL80211_IFTYPE_AP:
af296bdb
MK		 2953 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2954 NULL);
97518af1
MK		 2955 kfree(sdata->u.ap.next_beacon);
2956 sdata->u.ap.next_beacon = NULL;
2957
cd7760e6 2958 if (err < 0)
66199506
MK		 2959 return err;
2960 *changed |= err;
cd7760e6
SW		 2961 break;
2962 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2963 err = ieee80211_ibss_finish_csa(sdata);
2964 if (err < 0)
66199506
MK		 2965 return err;
2966 *changed |= err;
cd7760e6 2967 break;
b8456a14
CYY		 2968#ifdef CONFIG_MAC80211_MESH
2969 case NL80211_IFTYPE_MESH_POINT:
2970 err = ieee80211_mesh_finish_csa(sdata);
2971 if (err < 0)
66199506
MK		 2972 return err;
2973 *changed |= err;
b8456a14
CYY		 2974 break;
2975#endif
cd7760e6
SW		 2976 default:
2977 WARN_ON(1);
66199506
MK		 2978 return -EINVAL;
2979 }
2980
2981 return 0;
2982}
2983
cf8767dd 2984static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2985{
2986 struct ieee80211_local *local = sdata->local;
2987 u32 changed = 0;
2988 int err;
2989
2990 sdata_assert_lock(sdata);
2991 lockdep_assert_held(&local->mtx);
03078de4 2992 lockdep_assert_held(&local->chanctx_mtx);
66199506 2993
03078de4
MK		 2994 /*
2995 * using reservation isn't immediate as it may be deferred until later
2996 * with multi-vif. once reservation is complete it will re-schedule the
2997 * work with no reserved_chanctx so verify chandef to check if it
2998 * completed successfully
2999 */
66199506 3000
03078de4
MK		 3001 if (sdata->reserved_chanctx) {
3002 /*
3003 * with multi-vif csa driver may call ieee80211_csa_finish()
3004 * many times while waiting for other interfaces to use their
3005 * reservations
3006 */
3007 if (sdata->reserved_ready)
3008 return 0;
3009
408b18ab 3010 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 3011 }
73da7d5b 3012
03078de4
MK		 3013 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3014 &sdata->csa_chandef))
3015 return -EINVAL;
3016
66199506
MK		 3017 sdata->vif.csa_active = false;
3018
3019 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3020 if (err)
cf8767dd 3021 return err;
faf046e7 3022
66199506 3023 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 3024
a46992b4
LC		 3025 if (sdata->csa_block_tx) {
3026 ieee80211_wake_vif_queues(local, sdata,
3027 IEEE80211_QUEUE_STOP_REASON_CSA);
3028 sdata->csa_block_tx = false;
3029 }
cf8767dd 3030
f1d65583
LC		 3031 err = drv_post_channel_switch(sdata);
3032 if (err)
3033 return err;
3034
3035 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3036
cf8767dd
MK		 3037 return 0;
3038}
3039
3040static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3041{
3042 if (__ieee80211_csa_finalize(sdata)) {
3043 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3044 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3045 GFP_KERNEL);
3046 }
66e01cf9
LC		 3047}
3048
3049void ieee80211_csa_finalize_work(struct work_struct *work)
3050{
3051 struct ieee80211_sub_if_data *sdata =
3052 container_of(work, struct ieee80211_sub_if_data,
3053 csa_finalize_work);
59af6928 3054 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3055
3056 sdata_lock(sdata);
59af6928 3057 mutex_lock(&local->mtx);
03078de4 3058 mutex_lock(&local->chanctx_mtx);
59af6928 3059
66e01cf9
LC		 3060 /* AP might have been stopped while waiting for the lock. */
3061 if (!sdata->vif.csa_active)
3062 goto unlock;
3063
3064 if (!ieee80211_sdata_running(sdata))
3065 goto unlock;
3066
3067 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3068
3069unlock:
03078de4 3070 mutex_unlock(&local->chanctx_mtx);
59af6928 3071 mutex_unlock(&local->mtx);
e487eaeb 3072 sdata_unlock(sdata);
73da7d5b
SW		 3073}
3074
37fa2bdd
MK		 3075static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3076 struct cfg80211_csa_settings *params,
3077 u32 *changed)
73da7d5b 3078{
af296bdb 3079 struct ieee80211_csa_settings csa = {};
37fa2bdd 3080 int err;
73da7d5b 3081
73da7d5b
SW		 3082 switch (sdata->vif.type) {
3083 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3084 sdata->u.ap.next_beacon =
3085 cfg80211_beacon_dup(&params->beacon_after);
3086 if (!sdata->u.ap.next_beacon)
3087 return -ENOMEM;
3088
66e01cf9
LC		 3089 /*
3090 * With a count of 0, we don't have to wait for any
3091 * TBTT before switching, so complete the CSA
3092 * immediately. In theory, with a count == 1 we
3093 * should delay the switch until just before the next
3094 * TBTT, but that would complicate things so we switch
3095 * immediately too. If we would delay the switch
3096 * until the next TBTT, we would have to set the probe
3097 * response here.
3098 *
3099 * TODO: A channel switch with count <= 1 without
3100 * sending a CSA action frame is kind of useless,
3101 * because the clients won't know we're changing
3102 * channels. The action frame must be implemented
3103 * either here or in the userspace.
3104 */
3105 if (params->count <= 1)
3106 break;
3107
0d06d9ba
AO		 3108 if ((params->n_counter_offsets_beacon >
3109 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3110 (params->n_counter_offsets_presp >
3111 IEEE80211_MAX_CSA_COUNTERS_NUM))
3112 return -EINVAL;
9a774c78 3113
af296bdb
MK		 3114 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3115 csa.counter_offsets_presp = params->counter_offsets_presp;
3116 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3117 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3118 csa.count = params->count;
9a774c78 3119
af296bdb 3120 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3121 if (err < 0) {
3122 kfree(sdata->u.ap.next_beacon);
3123 return err;
3124 }
37fa2bdd 3125 *changed |= err;
66e01cf9 3126
cd7760e6
SW		 3127 break;
3128 case NL80211_IFTYPE_ADHOC:
3129 if (!sdata->vif.bss_conf.ibss_joined)
3130 return -EINVAL;
3131
3132 if (params->chandef.width != sdata->u.ibss.chandef.width)
3133 return -EINVAL;
3134
3135 switch (params->chandef.width) {
3136 case NL80211_CHAN_WIDTH_40:
3137 if (cfg80211_get_chandef_type(&params->chandef) !=
3138 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3139 return -EINVAL;
3140 case NL80211_CHAN_WIDTH_5:
3141 case NL80211_CHAN_WIDTH_10:
3142 case NL80211_CHAN_WIDTH_20_NOHT:
3143 case NL80211_CHAN_WIDTH_20:
3144 break;
3145 default:
3146 return -EINVAL;
3147 }
3148
3149 /* changes into another band are not supported */
3150 if (sdata->u.ibss.chandef.chan->band !=
3151 params->chandef.chan->band)
3152 return -EINVAL;
3153
66e01cf9
LC		 3154 /* see comments in the NL80211_IFTYPE_AP block */
3155 if (params->count > 1) {
3156 err = ieee80211_ibss_csa_beacon(sdata, params);
3157 if (err < 0)
3158 return err;
37fa2bdd 3159 *changed |= err;
66e01cf9
LC		 3160 }
3161
3162 ieee80211_send_action_csa(sdata, params);
3163
73da7d5b 3164 break;
c6da674a 3165#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3166 case NL80211_IFTYPE_MESH_POINT: {
3167 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3168
c6da674a
CYY		 3169 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3170 return -EINVAL;
3171
3172 /* changes into another band are not supported */
3173 if (sdata->vif.bss_conf.chandef.chan->band !=
3174 params->chandef.chan->band)
3175 return -EINVAL;
3176
c782bf8c 3177 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3178 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3179 if (!ifmsh->pre_value)
3180 ifmsh->pre_value = 1;
3181 else
3182 ifmsh->pre_value++;
3183 }
0cb4d4dc 3184
66e01cf9
LC		 3185 /* see comments in the NL80211_IFTYPE_AP block */
3186 if (params->count > 1) {
3187 err = ieee80211_mesh_csa_beacon(sdata, params);
3188 if (err < 0) {
3189 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3190 return err;
3191 }
37fa2bdd 3192 *changed |= err;
3f718fd8 3193 }
66e01cf9
LC		 3194
3195 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3196 ieee80211_send_action_csa(sdata, params);
3197
c6da674a 3198 break;
37fa2bdd 3199 }
c6da674a 3200#endif
73da7d5b
SW		 3201 default:
3202 return -EOPNOTSUPP;
3203 }
3204
37fa2bdd
MK		 3205 return 0;
3206}
3207
f29f58a9
LC		 3208static int
3209__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3210 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3211{
3212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3213 struct ieee80211_local *local = sdata->local;
6d027bcc 3214 struct ieee80211_channel_switch ch_switch;
2b32713d 3215 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3216 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3217 u32 changed = 0;
3218 int err;
37fa2bdd
MK		 3219
3220 sdata_assert_lock(sdata);
59af6928 3221 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3222
3223 if (!list_empty(&local->roc_list) || local->scanning)
3224 return -EBUSY;
3225
3226 if (sdata->wdev.cac_started)
3227 return -EBUSY;
3228
3229 if (cfg80211_chandef_identical(&params->chandef,
3230 &sdata->vif.bss_conf.chandef))
3231 return -EINVAL;
3232
03078de4
MK		 3233 /* don't allow another channel switch if one is already active. */
3234 if (sdata->vif.csa_active)
3235 return -EBUSY;
3236
2b32713d
MK		 3237 mutex_lock(&local->chanctx_mtx);
3238 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3239 lockdep_is_held(&local->chanctx_mtx));
3240 if (!conf) {
03078de4
MK		 3241 err = -EBUSY;
3242 goto out;
37fa2bdd
MK		 3243 }
3244
2b32713d 3245 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3246 if (!chanctx) {
3247 err = -EBUSY;
3248 goto out;
37fa2bdd 3249 }
37fa2bdd 3250
000baa5d
LC		 3251 ch_switch.timestamp = 0;
3252 ch_switch.device_timestamp = 0;
3253 ch_switch.block_tx = params->block_tx;
3254 ch_switch.chandef = params->chandef;
3255 ch_switch.count = params->count;
3256
6d027bcc
LC		 3257 err = drv_pre_channel_switch(sdata, &ch_switch);
3258 if (err)
3259 goto out;
3260
03078de4
MK		 3261 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3262 chanctx->mode,
3263 params->radar_required);
3264 if (err)
3265 goto out;
37fa2bdd 3266
03078de4
MK		 3267 /* if reservation is invalid then this will fail */
3268 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3269 if (err) {
3270 ieee80211_vif_unreserve_chanctx(sdata);
3271 goto out;
3272 }
37fa2bdd
MK		 3273
3274 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3275 if (err) {
3276 ieee80211_vif_unreserve_chanctx(sdata);
3277 goto out;
3278 }
37fa2bdd 3279
33787fc4 3280 sdata->csa_chandef = params->chandef;
59af6928 3281 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3282 sdata->vif.csa_active = true;
3283
59af6928 3284 if (sdata->csa_block_tx)
a46992b4
LC		 3285 ieee80211_stop_vif_queues(local, sdata,
3286 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3287
2f457293
LC		 3288 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3289 params->count);
3290
66e01cf9
LC		 3291 if (changed) {
3292 ieee80211_bss_info_change_notify(sdata, changed);
3293 drv_channel_switch_beacon(sdata, &params->chandef);
3294 } else {
3295 /* if the beacon didn't change, we can finalize immediately */
3296 ieee80211_csa_finalize(sdata);
3297 }
73da7d5b 3298
03078de4
MK		 3299out:
3300 mutex_unlock(&local->chanctx_mtx);
3301 return err;
73da7d5b
SW		 3302}
3303
59af6928
MK		 3304int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3305 struct cfg80211_csa_settings *params)
3306{
3307 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3308 struct ieee80211_local *local = sdata->local;
3309 int err;
3310
3311 mutex_lock(&local->mtx);
3312 err = __ieee80211_channel_switch(wiphy, dev, params);
3313 mutex_unlock(&local->mtx);
3314
3315 return err;
3316}
3317
71bbc994 3318static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3319 struct cfg80211_mgmt_tx_params *params,
3320 u64 *cookie)
026331c4 3321{
71bbc994 3322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3323 struct ieee80211_local *local = sdata->local;
3324 struct sk_buff *skb;
3325 struct sta_info *sta;
b176e629 3326 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3327 bool need_offchan = false;
e247bd90 3328 u32 flags;
2eb278e0 3329 int ret;
387910cc 3330 u8 *data;
f7ca38df 3331
b176e629 3332 if (params->dont_wait_for_ack)
e247bd90
JB		 3333 flags = IEEE80211_TX_CTL_NO_ACK;
3334 else
3335 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3336 IEEE80211_TX_CTL_REQ_TX_STATUS;
3337
b176e629 3338 if (params->no_cck)
aad14ceb
RM		 3339 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3340
9d38d85d
JB		 3341 switch (sdata->vif.type) {
3342 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3343 if (!sdata->vif.bss_conf.ibss_joined)
3344 need_offchan = true;
3345 /* fall through */
3346#ifdef CONFIG_MAC80211_MESH
3347 case NL80211_IFTYPE_MESH_POINT:
3348 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3349 !sdata->u.mesh.mesh_id_len)
3350 need_offchan = true;
3351 /* fall through */
3352#endif
663fcafd
JB		 3353 case NL80211_IFTYPE_AP:
3354 case NL80211_IFTYPE_AP_VLAN:
3355 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3356 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3357 !ieee80211_vif_is_mesh(&sdata->vif) &&
3358 !rcu_access_pointer(sdata->bss->beacon))
3359 need_offchan = true;
663fcafd 3360 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3361 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3362 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3363 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3364 break;
3365 rcu_read_lock();
3366 sta = sta_info_get(sdata, mgmt->da);
3367 rcu_read_unlock();
3368 if (!sta)
3369 return -ENOLINK;
3370 break;
3371 case NL80211_IFTYPE_STATION:
663fcafd 3372 case NL80211_IFTYPE_P2P_CLIENT:
b8e69d51
MG		 3373 sdata_lock(sdata);
3374 if (!sdata->u.mgd.associated ||
3375 (params->offchan && params->wait &&
3376 local->ops->remain_on_channel &&
3377 memcmp(sdata->u.mgd.associated->bssid,
3378 mgmt->bssid, ETH_ALEN)))
2eb278e0 3379 need_offchan = true;
b8e69d51 3380 sdata_unlock(sdata);
9d38d85d 3381 break;
f142c6b9
JB		 3382 case NL80211_IFTYPE_P2P_DEVICE:
3383 need_offchan = true;
3384 break;
9d38d85d
JB		 3385 default:
3386 return -EOPNOTSUPP;
3387 }
3388
f7aeb6fb
AQ		 3389 /* configurations requiring offchan cannot work if no channel has been
3390 * specified
3391 */
b176e629 3392 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3393 return -EINVAL;
3394
2eb278e0
JB		 3395 mutex_lock(&local->mtx);
3396
3397 /* Check if the operating channel is the requested channel */
3398 if (!need_offchan) {
55de908a
JB		 3399 struct ieee80211_chanctx_conf *chanctx_conf;
3400
3401 rcu_read_lock();
3402 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3403
f7aeb6fb 3404 if (chanctx_conf) {
b176e629
AO		 3405 need_offchan = params->chan &&
3406 (params->chan !=
3407 chanctx_conf->def.chan);
3408 } else if (!params->chan) {
f7aeb6fb
AQ		 3409 ret = -EINVAL;
3410 rcu_read_unlock();
3411 goto out_unlock;
3412 } else {
2eb278e0 3413 need_offchan = true;
f7aeb6fb 3414 }
55de908a 3415 rcu_read_unlock();
2eb278e0
JB		 3416 }
3417
b176e629 3418 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3419 ret = -EBUSY;
3420 goto out_unlock;
3421 }
3422
b176e629 3423 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3424 if (!skb) {
3425 ret = -ENOMEM;
3426 goto out_unlock;
3427 }
9d38d85d
JB		 3428 skb_reserve(skb, local->hw.extra_tx_headroom);
3429
387910cc
AO		 3430 data = skb_put(skb, params->len);
3431 memcpy(data, params->buf, params->len);
3432
3433 /* Update CSA counters */
3434 if (sdata->vif.csa_active &&
3435 (sdata->vif.type == NL80211_IFTYPE_AP ||
3436 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3437 params->n_csa_offsets) {
3438 int i;
af296bdb 3439 struct beacon_data *beacon = NULL;
387910cc 3440
af296bdb
MK		 3441 rcu_read_lock();
3442
3443 if (sdata->vif.type == NL80211_IFTYPE_AP)
3444 beacon = rcu_dereference(sdata->u.ap.beacon);
3445 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3446 beacon = rcu_dereference(sdata->u.ibss.presp);
3447 else if (ieee80211_vif_is_mesh(&sdata->vif))
3448 beacon = rcu_dereference(sdata->u.mesh.beacon);
3449
3450 if (beacon)
3451 for (i = 0; i < params->n_csa_offsets; i++)
3452 data[params->csa_offsets[i]] =
3453 beacon->csa_current_counter;
3454
3455 rcu_read_unlock();
387910cc 3456 }
9d38d85d
JB		 3457
3458 IEEE80211_SKB_CB(skb)->flags = flags;
3459
3460 skb->dev = sdata->dev;
9d38d85d 3461
2eb278e0 3462 if (!need_offchan) {
7f9f78ab 3463 *cookie = (unsigned long) skb;
f30221e4 3464 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3465 ret = 0;
3466 goto out_unlock;
f30221e4
JB		 3467 }
3468
6c17b77b
SF		 3469 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3470 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3471 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3472 IEEE80211_SKB_CB(skb)->hw_queue =
3473 local->hw.offchannel_tx_hw_queue;
f30221e4 3474
2eb278e0 3475 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3476 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3477 params->wait, cookie, skb,
d339d5ca 3478 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3479 if (ret)
3480 kfree_skb(skb);
3481 out_unlock:
3482 mutex_unlock(&local->mtx);
3483 return ret;
026331c4
JM		 3484}
3485
f30221e4 3486static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3487 struct wireless_dev *wdev,
f30221e4
JB		 3488 u64 cookie)
3489{
71bbc994 3490 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3491
2eb278e0 3492 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3493}
3494
7be5086d 3495static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3496 struct wireless_dev *wdev,
7be5086d
JB		 3497 u16 frame_type, bool reg)
3498{
3499 struct ieee80211_local *local = wiphy_priv(wiphy);
3500
6abe0563 3501 switch (frame_type) {
6abe0563
WH		 3502 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3503 if (reg)
3504 local->probe_req_reg++;
3505 else
3506 local->probe_req_reg--;
7be5086d 3507
35f5149e
FF		 3508 if (!local->open_count)
3509 break;
3510
6abe0563
WH		 3511 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3512 break;
3513 default:
3514 break;
3515 }
7be5086d
JB		 3516}
3517
15d96753
BR		 3518static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3519{
3520 struct ieee80211_local *local = wiphy_priv(wiphy);
3521
3522 if (local->started)
3523 return -EOPNOTSUPP;
3524
3525 return drv_set_antenna(local, tx_ant, rx_ant);
3526}
3527
3528static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3529{
3530 struct ieee80211_local *local = wiphy_priv(wiphy);
3531
3532 return drv_get_antenna(local, tx_ant, rx_ant);
3533}
3534
c68f4b89
JB		 3535static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3536 struct net_device *dev,
3537 struct cfg80211_gtk_rekey_data *data)
3538{
3539 struct ieee80211_local *local = wiphy_priv(wiphy);
3540 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3541
3542 if (!local->ops->set_rekey_data)
3543 return -EOPNOTSUPP;
3544
3545 drv_set_rekey_data(local, sdata, data);
3546
3547 return 0;
3548}
3549
06500736
JB		 3550static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3551 const u8 *peer, u64 *cookie)
3552{
3553 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3554 struct ieee80211_local *local = sdata->local;
3555 struct ieee80211_qos_hdr *nullfunc;
3556 struct sk_buff *skb;
3557 int size = sizeof(*nullfunc);
3558 __le16 fc;
3559 bool qos;
3560 struct ieee80211_tx_info *info;
3561 struct sta_info *sta;
55de908a
JB		 3562 struct ieee80211_chanctx_conf *chanctx_conf;
3563 enum ieee80211_band band;
06500736
JB		 3564
3565 rcu_read_lock();
55de908a
JB		 3566 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3567 if (WARN_ON(!chanctx_conf)) {
3568 rcu_read_unlock();
3569 return -EINVAL;
3570 }
4bf88530 3571 band = chanctx_conf->def.chan->band;
03bb7f42 3572 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3573 if (sta) {
a74a8c84 3574 qos = sta->sta.wme;
b4487c2d
JB		 3575 } else {
3576 rcu_read_unlock();
06500736 3577 return -ENOLINK;
b4487c2d 3578 }
06500736
JB		 3579
3580 if (qos) {
3581 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3582 IEEE80211_STYPE_QOS_NULLFUNC |
3583 IEEE80211_FCTL_FROMDS);
3584 } else {
3585 size -= 2;
3586 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3587 IEEE80211_STYPE_NULLFUNC |
3588 IEEE80211_FCTL_FROMDS);
3589 }
3590
3591 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3592 if (!skb) {
3593 rcu_read_unlock();
06500736 3594 return -ENOMEM;
55de908a 3595 }
06500736
JB		 3596
3597 skb->dev = dev;
3598
3599 skb_reserve(skb, local->hw.extra_tx_headroom);
3600
3601 nullfunc = (void *) skb_put(skb, size);
3602 nullfunc->frame_control = fc;
3603 nullfunc->duration_id = 0;
3604 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3605 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3606 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3607 nullfunc->seq_ctrl = 0;
3608
3609 info = IEEE80211_SKB_CB(skb);
3610
3611 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3612 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3613 info->band = band;
06500736
JB		 3614
3615 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3616 skb->priority = 7;
3617 if (qos)
3618 nullfunc->qos_ctrl = cpu_to_le16(7);
3619
3620 local_bh_disable();
7c10770f 3621 ieee80211_xmit(sdata, sta, skb);
06500736 3622 local_bh_enable();
55de908a 3623 rcu_read_unlock();
06500736
JB		 3624
3625 *cookie = (unsigned long) skb;
3626 return 0;
3627}
3628
683b6d3b
JB		 3629static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3630 struct wireless_dev *wdev,
3631 struct cfg80211_chan_def *chandef)
5b7ccaf3 3632{
55de908a 3633 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3634 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3635 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3636 int ret = -ENODATA;
55de908a
JB		 3637
3638 rcu_read_lock();
feda3027
JB		 3639 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3640 if (chanctx_conf) {
c12bc488 3641 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3642 ret = 0;
3643 } else if (local->open_count > 0 &&
3644 local->open_count == local->monitors &&
3645 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3646 if (local->use_chanctx)
3647 *chandef = local->monitor_chandef;
3648 else
675a0b04 3649 *chandef = local->_oper_chandef;
683b6d3b 3650 ret = 0;
55de908a
JB		 3651 }
3652 rcu_read_unlock();
5b7ccaf3 3653
683b6d3b 3654 return ret;
5b7ccaf3
JB		 3655}
3656
6d52563f
JB		 3657#ifdef CONFIG_PM
3658static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3659{
3660 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3661}
3662#endif
3663
32db6b54
KP		 3664static int ieee80211_set_qos_map(struct wiphy *wiphy,
3665 struct net_device *dev,
3666 struct cfg80211_qos_map *qos_map)
3667{
3668 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3669 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3670
3671 if (qos_map) {
3672 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3673 if (!new_qos_map)
3674 return -ENOMEM;
3675 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3676 } else {
3677 /* A NULL qos_map was passed to disable QoS mapping */
3678 new_qos_map = NULL;
3679 }
3680
194ff52d 3681 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3682 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3683 if (old_qos_map)
3684 kfree_rcu(old_qos_map, rcu_head);
3685
3686 return 0;
3687}
3688
3b1700bd
JM		 3689static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3690 struct net_device *dev,
3691 struct cfg80211_chan_def *chandef)
3692{
3693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3694 int ret;
3695 u32 changed = 0;
3696
3697 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3698 if (ret == 0)
3699 ieee80211_bss_info_change_notify(sdata, changed);
3700
3701 return ret;
3702}
3703
02219b3a
JB		 3704static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3705 u8 tsid, const u8 *peer, u8 up,
3706 u16 admitted_time)
3707{
3708 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3709 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3710 int ac = ieee802_1d_to_ac[up];
3711
3712 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3713 return -EOPNOTSUPP;
3714
3715 if (!(sdata->wmm_acm & BIT(up)))
3716 return -EINVAL;
3717
3718 if (ifmgd->tx_tspec[ac].admitted_time)
3719 return -EBUSY;
3720
3721 if (admitted_time) {
3722 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3723 ifmgd->tx_tspec[ac].tsid = tsid;
3724 ifmgd->tx_tspec[ac].up = up;
3725 }
3726
3727 return 0;
3728}
3729
3730static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3731 u8 tsid, const u8 *peer)
3732{
3733 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3734 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3735 struct ieee80211_local *local = wiphy_priv(wiphy);
3736 int ac;
3737
3738 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3739 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3740
3741 /* skip unused entries */
3742 if (!tx_tspec->admitted_time)
3743 continue;
3744
3745 if (tx_tspec->tsid != tsid)
3746 continue;
3747
3748 /* due to this new packets will be reassigned to non-ACM ACs */
3749 tx_tspec->up = -1;
3750
3751 /* Make sure that all packets have been sent to avoid to
3752 * restore the QoS params on packets that are still on the
3753 * queues.
3754 */
3755 synchronize_net();
3b24f4c6 3756 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3757
3758 /* restore the normal QoS parameters
3759 * (unconditionally to avoid races)
3760 */
3761 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3762 tx_tspec->downgraded = false;
3763 ieee80211_sta_handle_tspec_ac_params(sdata);
3764
3765 /* finally clear all the data */
3766 memset(tx_tspec, 0, sizeof(*tx_tspec));
3767
3768 return 0;
3769 }
3770
3771 return -ENOENT;
3772}
3773
8a47cea7 3774const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3775 .add_virtual_intf = ieee80211_add_iface,
3776 .del_virtual_intf = ieee80211_del_iface,
42613db7 3777 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3778 .start_p2p_device = ieee80211_start_p2p_device,
3779 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3780 .add_key = ieee80211_add_key,
3781 .del_key = ieee80211_del_key,
62da92fb 3782 .get_key = ieee80211_get_key,
e8cbb4cb 3783 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3784 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3785 .start_ap = ieee80211_start_ap,
3786 .change_beacon = ieee80211_change_beacon,
3787 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3788 .add_station = ieee80211_add_station,
3789 .del_station = ieee80211_del_station,
3790 .change_station = ieee80211_change_station,
7bbdd2d9 3791 .get_station = ieee80211_get_station,
c5dd9c2b 3792 .dump_station = ieee80211_dump_station,
1289723e 3793 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3794#ifdef CONFIG_MAC80211_MESH
3795 .add_mpath = ieee80211_add_mpath,
3796 .del_mpath = ieee80211_del_mpath,
3797 .change_mpath = ieee80211_change_mpath,
3798 .get_mpath = ieee80211_get_mpath,
3799 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3800 .get_mpp = ieee80211_get_mpp,
3801 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3802 .update_mesh_config = ieee80211_update_mesh_config,
3803 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3804 .join_mesh = ieee80211_join_mesh,
3805 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3806#endif
239281f8
RL		 3807 .join_ocb = ieee80211_join_ocb,
3808 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3809 .change_bss = ieee80211_change_bss,
31888487 3810 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3811 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3812 .suspend = ieee80211_suspend,
3813 .resume = ieee80211_resume,
2a519311 3814 .scan = ieee80211_scan,
79f460ca
LC		 3815 .sched_scan_start = ieee80211_sched_scan_start,
3816 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3817 .auth = ieee80211_auth,
3818 .assoc = ieee80211_assoc,
3819 .deauth = ieee80211_deauth,
3820 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3821 .join_ibss = ieee80211_join_ibss,
3822 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3823 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3824 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3825 .set_tx_power = ieee80211_set_tx_power,
3826 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3827 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3828 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3829 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3830 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3831 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3832 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3833 .remain_on_channel = ieee80211_remain_on_channel,
3834 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3835 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3836 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3837 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3838 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3839 .set_antenna = ieee80211_set_antenna,
3840 .get_antenna = ieee80211_get_antenna,
c68f4b89 3841 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3842 .tdls_oper = ieee80211_tdls_oper,
3843 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3844 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3845 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3846 .probe_client = ieee80211_probe_client,
b53be792 3847 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3848#ifdef CONFIG_PM
3849 .set_wakeup = ieee80211_set_wakeup,
3850#endif
5b7ccaf3 3851 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3852 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3853 .channel_switch = ieee80211_channel_switch,
32db6b54 3854 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3855 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3856 .add_tx_ts = ieee80211_add_tx_ts,
3857 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3858};
ubuntu-bionic-kernel mirror