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mac80211: extend get_key() to return PN for all ciphers
[mirror_ubuntu-jammy-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;
a31cf1c6
JB		 434 default:
435 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
436 break;
437 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
438 break;
439 drv_get_key_seq(sdata->local, key, &kseq);
440 params.seq = kseq.hw.seq;
441 params.seq_len = kseq.hw.seq_len;
442 break;
62da92fb
JB		 443 }
444
445 params.key = key->conf.key;
446 params.key_len = key->conf.keylen;
447
448 callback(cookie, &params);
449 err = 0;
450
451 out:
3b96766f 452 rcu_read_unlock();
62da92fb
JB		 453 return err;
454}
455
e8cbb4cb
JB		 456static int ieee80211_config_default_key(struct wiphy *wiphy,
457 struct net_device *dev,
dbd2fd65
JB		 458 u8 key_idx, bool uni,
459 bool multi)
e8cbb4cb 460{
ad0e2b5a 461 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 462
f7e0104c 463 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 464
465 return 0;
466}
467
3cfcf6ac
JM		 468static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
469 struct net_device *dev,
470 u8 key_idx)
471{
66c52421 472 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 473
3cfcf6ac
JM		 474 ieee80211_set_default_mgmt_key(sdata, key_idx);
475
3cfcf6ac
JM		 476 return 0;
477}
478
6b62bf32
TP		 479void sta_set_rate_info_tx(struct sta_info *sta,
480 const struct ieee80211_tx_rate *rate,
481 struct rate_info *rinfo)
482{
483 rinfo->flags = 0;
8bc83c24 484 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 485 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 486 rinfo->mcs = rate->idx;
487 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
488 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
489 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
490 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
491 } else {
492 struct ieee80211_supported_band *sband;
2103dec1
SW		 493 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
494 u16 brate;
495
8bc83c24
JB		 496 sband = sta->local->hw.wiphy->bands[
497 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 498 brate = sband->bitrates[rate->idx].bitrate;
499 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
8bc83c24 500 }
6b62bf32 501 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
b51f3bee
JB		 502 rinfo->bw = RATE_INFO_BW_40;
503 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
504 rinfo->bw = RATE_INFO_BW_80;
505 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
506 rinfo->bw = RATE_INFO_BW_160;
507 else
508 rinfo->bw = RATE_INFO_BW_20;
6b62bf32
TP		 509 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
510 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 511}
512
003e676a
S		 513void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
514{
515 rinfo->flags = 0;
516
517 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
518 rinfo->flags |= RATE_INFO_FLAGS_MCS;
519 rinfo->mcs = sta->last_rx_rate_idx;
520 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
521 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
522 rinfo->nss = sta->last_rx_rate_vht_nss;
523 rinfo->mcs = sta->last_rx_rate_idx;
524 } else {
525 struct ieee80211_supported_band *sband;
2103dec1
SW		 526 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
527 u16 brate;
003e676a
S		 528
529 sband = sta->local->hw.wiphy->bands[
530 ieee80211_get_sdata_band(sta->sdata)];
2103dec1
SW		 531 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
532 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
003e676a
S		 533 }
534
003e676a
S		 535 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
536 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
b51f3bee
JB		 537
538 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
539 rinfo->bw = RATE_INFO_BW_5;
540 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
541 rinfo->bw = RATE_INFO_BW_10;
542 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
543 rinfo->bw = RATE_INFO_BW_40;
544 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
545 rinfo->bw = RATE_INFO_BW_80;
546 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
547 rinfo->bw = RATE_INFO_BW_160;
548 else
549 rinfo->bw = RATE_INFO_BW_20;
003e676a
S		 550}
551
c5dd9c2b 552static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 553 int idx, u8 *mac, struct station_info *sinfo)
c5dd9c2b 554{
3b53fde8 555 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 556 struct ieee80211_local *local = sdata->local;
c5dd9c2b 557 struct sta_info *sta;
d0709a65
JB		 558 int ret = -ENOENT;
559
66572cfc 560 mutex_lock(&local->sta_mtx);
c5dd9c2b 561
3b53fde8 562 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 563 if (sta) {
564 ret = 0;
17741cdc 565 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 566 sta_set_sinfo(sta, sinfo);
567 }
c5dd9c2b 568
66572cfc 569 mutex_unlock(&local->sta_mtx);
c5dd9c2b 570
d0709a65 571 return ret;
c5dd9c2b
LCC		 572}
573
1289723e
HS		 574static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
575 int idx, struct survey_info *survey)
576{
577 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
578
1289723e
HS		 579 return drv_get_survey(local, idx, survey);
580}
581
7bbdd2d9 582static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 583 const u8 *mac, struct station_info *sinfo)
7bbdd2d9 584{
abe60632 585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 586 struct ieee80211_local *local = sdata->local;
7bbdd2d9 587 struct sta_info *sta;
d0709a65 588 int ret = -ENOENT;
7bbdd2d9 589
66572cfc 590 mutex_lock(&local->sta_mtx);
7bbdd2d9 591
0e5ded5a 592 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 593 if (sta) {
594 ret = 0;
595 sta_set_sinfo(sta, sinfo);
596 }
597
66572cfc 598 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 599
600 return ret;
7bbdd2d9
JB		 601}
602
55de908a 603static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 604 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 605{
606 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 607 struct ieee80211_sub_if_data *sdata;
608 int ret = 0;
3d9e6e12 609
4bf88530 610 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 611 return 0;
3d9e6e12 612
34a3740d 613 mutex_lock(&local->mtx);
55de908a
JB		 614 mutex_lock(&local->iflist_mtx);
615 if (local->use_chanctx) {
616 sdata = rcu_dereference_protected(
617 local->monitor_sdata,
618 lockdep_is_held(&local->iflist_mtx));
619 if (sdata) {
620 ieee80211_vif_release_channel(sdata);
4bf88530 621 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 622 IEEE80211_CHANCTX_EXCLUSIVE);
623 }
624 } else if (local->open_count == local->monitors) {
675a0b04 625 local->_oper_chandef = *chandef;
55de908a
JB		 626 ieee80211_hw_config(local, 0);
627 }
3d9e6e12 628
4bf88530
JB		 629 if (ret == 0)
630 local->monitor_chandef = *chandef;
55de908a 631 mutex_unlock(&local->iflist_mtx);
34a3740d 632 mutex_unlock(&local->mtx);
3d9e6e12 633
55de908a 634 return ret;
e8c9bd5b
JB		 635}
636
02945821 637static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 638 const u8 *resp, size_t resp_len,
639 const struct ieee80211_csa_settings *csa)
02945821 640{
aa7a0080 641 struct probe_resp *new, *old;
02945821
AN		 642
643 if (!resp || !resp_len)
aba4e6ff 644 return 1;
02945821 645
7ca133bc 646 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
02945821 647
aa7a0080 648 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 649 if (!new)
650 return -ENOMEM;
651
aa7a0080
ES		 652 new->len = resp_len;
653 memcpy(new->data, resp, resp_len);
02945821 654
af296bdb
MK		 655 if (csa)
656 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
657 csa->n_counter_offsets_presp *
658 sizeof(new->csa_counter_offsets[0]));
659
02945821 660 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 661 if (old)
662 kfree_rcu(old, rcu_head);
02945821
AN		 663
664 return 0;
665}
666
0ae07968 667static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
af296bdb
MK		 668 struct cfg80211_beacon_data *params,
669 const struct ieee80211_csa_settings *csa)
5dfdaf58
JB		 670{
671 struct beacon_data *new, *old;
672 int new_head_len, new_tail_len;
8860020e
JB		 673 int size, err;
674 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 675
7ca133bc
SW		 676 old = sdata_dereference(sdata->u.ap.beacon, sdata);
677
5dfdaf58 678
5dfdaf58
JB		 679 /* Need to have a beacon head if we don't have one yet */
680 if (!params->head && !old)
8860020e 681 return -EINVAL;
5dfdaf58
JB		 682
683 /* new or old head? */
684 if (params->head)
685 new_head_len = params->head_len;
686 else
687 new_head_len = old->head_len;
688
689 /* new or old tail? */
690 if (params->tail || !old)
691 /* params->tail_len will be zero for !params->tail */
692 new_tail_len = params->tail_len;
693 else
694 new_tail_len = old->tail_len;
695
696 size = sizeof(*new) + new_head_len + new_tail_len;
697
698 new = kzalloc(size, GFP_KERNEL);
699 if (!new)
700 return -ENOMEM;
701
702 /* start filling the new info now */
703
5dfdaf58
JB		 704 /*
705 * pointers go into the block we allocated,
706 * memory is | beacon_data | head | tail |
707 */
708 new->head = ((u8 *) new) + sizeof(*new);
709 new->tail = new->head + new_head_len;
710 new->head_len = new_head_len;
711 new->tail_len = new_tail_len;
712
af296bdb
MK		 713 if (csa) {
714 new->csa_current_counter = csa->count;
715 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
716 csa->n_counter_offsets_beacon *
717 sizeof(new->csa_counter_offsets[0]));
718 }
719
5dfdaf58
JB		 720 /* copy in head */
721 if (params->head)
722 memcpy(new->head, params->head, new_head_len);
723 else
724 memcpy(new->head, old->head, new_head_len);
725
726 /* copy in optional tail */
727 if (params->tail)
728 memcpy(new->tail, params->tail, new_tail_len);
729 else
730 if (old)
731 memcpy(new->tail, old->tail, new_tail_len);
732
02945821 733 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
af296bdb 734 params->probe_resp_len, csa);
8860020e
JB		 735 if (err < 0)
736 return err;
737 if (err == 0)
02945821
AN		 738 changed |= BSS_CHANGED_AP_PROBE_RESP;
739
8860020e
JB		 740 rcu_assign_pointer(sdata->u.ap.beacon, new);
741
742 if (old)
743 kfree_rcu(old, rcu_head);
7827493b 744
8860020e 745 return changed;
5dfdaf58
JB		 746}
747
8860020e
JB		 748static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
749 struct cfg80211_ap_settings *params)
5dfdaf58 750{
8860020e 751 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
34a3740d 752 struct ieee80211_local *local = sdata->local;
5dfdaf58 753 struct beacon_data *old;
665c93a9 754 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 755 u32 changed = BSS_CHANGED_BEACON_INT |
756 BSS_CHANGED_BEACON_ENABLED |
757 BSS_CHANGED_BEACON |
339afbf4 758 BSS_CHANGED_SSID |
4bcc56bb
JB		 759 BSS_CHANGED_P2P_PS |
760 BSS_CHANGED_TXPOWER;
8860020e 761 int err;
14db74bc 762
7ca133bc 763 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 764 if (old)
765 return -EALREADY;
766
f6993174
EP		 767 switch (params->smps_mode) {
768 case NL80211_SMPS_OFF:
769 sdata->smps_mode = IEEE80211_SMPS_OFF;
770 break;
771 case NL80211_SMPS_STATIC:
772 sdata->smps_mode = IEEE80211_SMPS_STATIC;
773 break;
774 case NL80211_SMPS_DYNAMIC:
775 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
776 break;
777 default:
778 return -EINVAL;
779 }
04ecd257
JB		 780 sdata->needed_rx_chains = sdata->local->rx_chains;
781
34a3740d 782 mutex_lock(&local->mtx);
4bf88530 783 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 784 IEEE80211_CHANCTX_SHARED);
4e141dad
MK		 785 if (!err)
786 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
34a3740d 787 mutex_unlock(&local->mtx);
aa430da4
JB		 788 if (err)
789 return err;
790
665c93a9
JB		 791 /*
792 * Apply control port protocol, this allows us to
793 * not encrypt dynamic WEP control frames.
794 */
795 sdata->control_port_protocol = params->crypto.control_port_ethertype;
796 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
2475b1cc
MS		 797 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
798 &params->crypto,
799 sdata->vif.type);
800
665c93a9
JB		 801 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
802 vlan->control_port_protocol =
803 params->crypto.control_port_ethertype;
804 vlan->control_port_no_encrypt =
805 params->crypto.control_port_no_encrypt;
2475b1cc
MS		 806 vlan->encrypt_headroom =
807 ieee80211_cs_headroom(sdata->local,
808 &params->crypto,
809 vlan->vif.type);
665c93a9
JB		 810 }
811
8860020e
JB		 812 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
813 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 814 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 815
816 sdata->vif.bss_conf.ssid_len = params->ssid_len;
817 if (params->ssid_len)
818 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
819 params->ssid_len);
820 sdata->vif.bss_conf.hidden_ssid =
821 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
822
67baf663
JD		 823 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
824 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
825 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
826 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
827 if (params->p2p_opp_ps)
828 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
829 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 830
af296bdb 831 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
0297ea17
EG		 832 if (err < 0) {
833 ieee80211_vif_release_channel(sdata);
8860020e 834 return err;
0297ea17 835 }
8860020e
JB		 836 changed |= err;
837
1041638f
JB		 838 err = drv_start_ap(sdata->local, sdata);
839 if (err) {
7ca133bc
SW		 840 old = sdata_dereference(sdata->u.ap.beacon, sdata);
841
1041638f
JB		 842 if (old)
843 kfree_rcu(old, rcu_head);
844 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
0297ea17 845 ieee80211_vif_release_channel(sdata);
1041638f
JB		 846 return err;
847 }
848
057d5f4b 849 ieee80211_recalc_dtim(local, sdata);
8860020e
JB		 850 ieee80211_bss_info_change_notify(sdata, changed);
851
3edaf3e6
JB		 852 netif_carrier_on(dev);
853 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
854 netif_carrier_on(vlan->dev);
855
665c93a9 856 return 0;
5dfdaf58
JB		 857}
858
8860020e
JB		 859static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
860 struct cfg80211_beacon_data *params)
5dfdaf58 861{
14db74bc 862 struct ieee80211_sub_if_data *sdata;
5dfdaf58 863 struct beacon_data *old;
8860020e 864 int err;
5dfdaf58 865
14db74bc 866 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
dbd72850 867 sdata_assert_lock(sdata);
14db74bc 868
73da7d5b
SW		 869 /* don't allow changing the beacon while CSA is in place - offset
870 * of channel switch counter may change
871 */
872 if (sdata->vif.csa_active)
873 return -EBUSY;
874
7ca133bc 875 old = sdata_dereference(sdata->u.ap.beacon, sdata);
5dfdaf58
JB		 876 if (!old)
877 return -ENOENT;
878
af296bdb 879 err = ieee80211_assign_beacon(sdata, params, NULL);
8860020e
JB		 880 if (err < 0)
881 return err;
882 ieee80211_bss_info_change_notify(sdata, err);
883 return 0;
5dfdaf58
JB		 884}
885
8860020e 886static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 887{
7b20b8e8
JB		 888 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889 struct ieee80211_sub_if_data *vlan;
890 struct ieee80211_local *local = sdata->local;
891 struct beacon_data *old_beacon;
892 struct probe_resp *old_probe_resp;
d2859df5 893 struct cfg80211_chan_def chandef;
14db74bc 894
dbd72850
MK		 895 sdata_assert_lock(sdata);
896
7ca133bc 897 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
7b20b8e8 898 if (!old_beacon)
5dfdaf58 899 return -ENOENT;
7ca133bc 900 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
5dfdaf58 901
73da7d5b 902 /* abort any running channel switch */
59af6928 903 mutex_lock(&local->mtx);
73da7d5b 904 sdata->vif.csa_active = false;
a46992b4
LC		 905 if (sdata->csa_block_tx) {
906 ieee80211_wake_vif_queues(local, sdata,
907 IEEE80211_QUEUE_STOP_REASON_CSA);
908 sdata->csa_block_tx = false;
909 }
910
59af6928
MK		 911 mutex_unlock(&local->mtx);
912
1f3b8a2b
SW		 913 kfree(sdata->u.ap.next_beacon);
914 sdata->u.ap.next_beacon = NULL;
915
7b20b8e8 916 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 917 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
918 netif_carrier_off(vlan->dev);
919 netif_carrier_off(dev);
920
7b20b8e8 921 /* remove beacon and probe response */
a9b3cd7f 922 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 923 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
924 kfree_rcu(old_beacon, rcu_head);
925 if (old_probe_resp)
926 kfree_rcu(old_probe_resp, rcu_head);
8ffcc704 927 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
8860020e 928
e716251d 929 __sta_info_flush(sdata, true);
7907c7d3 930 ieee80211_free_keys(sdata, true);
75de9113 931
d6a83228 932 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 933 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 934 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 935 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 936
a6b368f6 937 if (sdata->wdev.cac_started) {
d2859df5 938 chandef = sdata->vif.bss_conf.chandef;
a6b368f6 939 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
d2859df5
JD		 940 cfg80211_cac_event(sdata->dev, &chandef,
941 NL80211_RADAR_CAC_ABORTED,
a6b368f6
SW		 942 GFP_KERNEL);
943 }
944
1041638f
JB		 945 drv_stop_ap(sdata->local, sdata);
946
7b20b8e8
JB		 947 /* free all potentially still buffered bcast frames */
948 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
949 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
950
34a3740d 951 mutex_lock(&local->mtx);
4e141dad 952 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a 953 ieee80211_vif_release_channel(sdata);
34a3740d 954 mutex_unlock(&local->mtx);
55de908a 955
2d0ddec5 956 return 0;
5dfdaf58
JB		 957}
958
4fd6931e
JB		 959/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
960struct iapp_layer2_update {
961 u8 da[ETH_ALEN]; /* broadcast */
962 u8 sa[ETH_ALEN]; /* STA addr */
963 __be16 len; /* 6 */
964 u8 dsap; /* 0 */
965 u8 ssap; /* 0 */
966 u8 control;
967 u8 xid_info[3];
bc10502d 968} __packed;
4fd6931e
JB		 969
970static void ieee80211_send_layer2_update(struct sta_info *sta)
971{
972 struct iapp_layer2_update *msg;
973 struct sk_buff *skb;
974
975 /* Send Level 2 Update Frame to update forwarding tables in layer 2
976 * bridge devices */
977
978 skb = dev_alloc_skb(sizeof(*msg));
979 if (!skb)
980 return;
981 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
982
983 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
984 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
985
e83e6541 986 eth_broadcast_addr(msg->da);
17741cdc 987 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 988 msg->len = htons(6);
989 msg->dsap = 0;
990 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
991 msg->control = 0xaf; /* XID response lsb.1111F101.
992 * F=0 (no poll command; unsolicited frame) */
993 msg->xid_info[0] = 0x81; /* XID format identifier */
994 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
995 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
996
d0709a65
JB		 997 skb->dev = sta->sdata->dev;
998 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 999 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1000 netif_rx_ni(skb);
4fd6931e
JB		 1001}
1002
d582cffb
JB		 1003static int sta_apply_auth_flags(struct ieee80211_local *local,
1004 struct sta_info *sta,
1005 u32 mask, u32 set)
1006{
1007 int ret;
1008
1009 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1010 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1011 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1012 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1013 if (ret)
1014 return ret;
1015 }
1016
1017 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1018 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1019 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
c23e31cf
MP		 1020 /*
1021 * When peer becomes associated, init rate control as
1022 * well. Some drivers require rate control initialized
1023 * before drv_sta_state() is called.
1024 */
1025 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1026 rate_control_rate_init(sta);
1027
d582cffb
JB		 1028 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1029 if (ret)
1030 return ret;
1031 }
1032
1033 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1034 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1035 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1036 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1037 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1038 else
1039 ret = 0;
1040 if (ret)
1041 return ret;
1042 }
1043
1044 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1045 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1046 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1047 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1048 if (ret)
1049 return ret;
1050 }
1051
1052 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1053 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1054 test_sta_flag(sta, WLAN_STA_AUTH)) {
1055 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1056 if (ret)
1057 return ret;
1058 }
1059
1060 return 0;
1061}
1062
d9a7ddb0
JB		 1063static int sta_apply_parameters(struct ieee80211_local *local,
1064 struct sta_info *sta,
1065 struct station_parameters *params)
4fd6931e 1066{
d9a7ddb0 1067 int ret = 0;
8318d78a 1068 struct ieee80211_supported_band *sband;
d0709a65 1069 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1070 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1071 u32 mask, set;
4fd6931e 1072
55de908a 1073 sband = local->hw.wiphy->bands[band];
ae5eb026 1074
eccb8e8f
JB		 1075 mask = params->sta_flags_mask;
1076 set = params->sta_flags_set;
73651ee6 1077
d582cffb
JB		 1078 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1079 /*
1080 * In mesh mode, ASSOCIATED isn't part of the nl80211
1081 * API but must follow AUTHENTICATED for driver state.
1082 */
1083 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1084 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1085 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1086 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1087 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1088 /*
1089 * TDLS -- everything follows authorized, but
1090 * only becoming authorized is possible, not
1091 * going back
1092 */
1093 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1094 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1095 BIT(NL80211_STA_FLAG_ASSOCIATED);
1096 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1097 BIT(NL80211_STA_FLAG_ASSOCIATED);
1098 }
eccb8e8f 1099 }
4fd6931e 1100
2c44be81
JB		 1101 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1102 local->hw.queues >= IEEE80211_NUM_ACS)
1103 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1104
68885a54
AN		 1105 /* auth flags will be set later for TDLS stations */
1106 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1107 ret = sta_apply_auth_flags(local, sta, mask, set);
1108 if (ret)
1109 return ret;
1110 }
d9a7ddb0 1111
eccb8e8f 1112 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1113 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1114 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1115 else
1116 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1117 }
4fd6931e 1118
eccb8e8f 1119 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
64a8cef4 1120 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
eccb8e8f 1121 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1122 set_sta_flag(sta, WLAN_STA_MFP);
1123 else
1124 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1125 }
b39c48fa 1126
07ba55d7 1127 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1128 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1129 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1130 else
1131 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1132 }
4fd6931e 1133
9041c1fa
AN		 1134 /* mark TDLS channel switch support, if the AP allows it */
1135 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1136 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1137 params->ext_capab_len >= 4 &&
1138 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1139 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1140
3b9ce80c
JB		 1141 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1142 sta->sta.uapsd_queues = params->uapsd_queues;
1143 sta->sta.max_sp = params->max_sp;
1144 }
9533b4ac 1145
51b50fbe
JB		 1146 /*
1147 * cfg80211 validates this (1-2007) and allows setting the AID
1148 * only when creating a new station entry
1149 */
1150 if (params->aid)
1151 sta->sta.aid = params->aid;
1152
73651ee6 1153 /*
ba23d206
JB		 1154 * Some of the following updates would be racy if called on an
1155 * existing station, via ieee80211_change_station(). However,
1156 * all such changes are rejected by cfg80211 except for updates
1157 * changing the supported rates on an existing but not yet used
1158 * TDLS peer.
73651ee6
JB		 1159 */
1160
4fd6931e
JB		 1161 if (params->listen_interval >= 0)
1162 sta->listen_interval = params->listen_interval;
1163
1164 if (params->supported_rates) {
2103dec1
SW		 1165 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1166 sband, params->supported_rates,
1167 params->supported_rates_len,
1168 &sta->sta.supp_rates[band]);
4fd6931e 1169 }
c5dd9c2b 1170
d9fe60de 1171 if (params->ht_capa)
ef96a842 1172 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1173 params->ht_capa, sta);
36aedc90 1174
f461be3e
MP		 1175 if (params->vht_capa)
1176 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1177 params->vht_capa, sta);
f461be3e 1178
b1bce14a 1179 if (params->opmode_notif_used) {
b1bce14a
MK		 1180 /* returned value is only needed for rc update, but the
1181 * rc isn't initialized here yet, so ignore it
1182 */
1183 __ieee80211_vht_handle_opmode(sdata, sta,
1184 params->opmode_notif,
1185 band, false);
1186 }
1187
9c3990aa 1188 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1189#ifdef CONFIG_MAC80211_MESH
39886b61 1190 u32 changed = 0;
77ee7c89
JB		 1191
1192 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1193 switch (params->plink_state) {
57cf8043 1194 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1195 if (sta->plink_state != NL80211_PLINK_ESTAB)
1196 changed = mesh_plink_inc_estab_count(
1197 sdata);
1198 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1199
1200 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1201 changed |= ieee80211_mps_set_sta_local_pm(sta,
1202 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1203 break;
1204 case NL80211_PLINK_LISTEN:
57cf8043 1205 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1206 case NL80211_PLINK_OPN_SNT:
1207 case NL80211_PLINK_OPN_RCVD:
1208 case NL80211_PLINK_CNF_RCVD:
1209 case NL80211_PLINK_HOLDING:
1210 if (sta->plink_state == NL80211_PLINK_ESTAB)
1211 changed = mesh_plink_dec_estab_count(
1212 sdata);
9c3990aa 1213 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1214
1215 ieee80211_mps_sta_status_update(sta);
446075d7
MP		 1216 changed |= ieee80211_mps_set_sta_local_pm(sta,
1217 NL80211_MESH_POWER_UNKNOWN);
9c3990aa
JC		 1218 break;
1219 default:
1220 /* nothing */
1221 break;
1222 }
77ee7c89
JB		 1223 }
1224
1225 switch (params->plink_action) {
1226 case NL80211_PLINK_ACTION_NO_ACTION:
1227 /* nothing */
1228 break;
1229 case NL80211_PLINK_ACTION_OPEN:
1230 changed |= mesh_plink_open(sta);
1231 break;
1232 case NL80211_PLINK_ACTION_BLOCK:
1233 changed |= mesh_plink_block(sta);
1234 break;
1617bab8 1235 }
3f52b7e3
MP		 1236
1237 if (params->local_pm)
39886b61
TP		 1238 changed |=
1239 ieee80211_mps_set_sta_local_pm(sta,
1240 params->local_pm);
6c751ef8 1241 ieee80211_mbss_info_change_notify(sdata, changed);
4daf50f2 1242#endif
902acc78 1243 }
d9a7ddb0 1244
68885a54
AN		 1245 /* set the STA state after all sta info from usermode has been set */
1246 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1247 ret = sta_apply_auth_flags(local, sta, mask, set);
1248 if (ret)
1249 return ret;
1250 }
1251
d9a7ddb0 1252 return 0;
4fd6931e
JB		 1253}
1254
1255static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1256 const u8 *mac,
1257 struct station_parameters *params)
4fd6931e 1258{
14db74bc 1259 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1260 struct sta_info *sta;
1261 struct ieee80211_sub_if_data *sdata;
73651ee6 1262 int err;
b8d476c8 1263 int layer2_update;
4fd6931e 1264
4fd6931e
JB		 1265 if (params->vlan) {
1266 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1267
05c914fe
JB		 1268 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1269 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1270 return -EINVAL;
1271 } else
1272 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1273
b203ca39 1274 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1275 return -EINVAL;
1276
1277 if (is_multicast_ether_addr(mac))
1278 return -EINVAL;
1279
1280 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1281 if (!sta)
1282 return -ENOMEM;
4fd6931e 1283
d582cffb
JB		 1284 /*
1285 * defaults -- if userspace wants something else we'll
1286 * change it accordingly in sta_apply_parameters()
1287 */
77ee7c89
JB		 1288 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1289 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1290 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
0c4972cc
AN		 1291 } else {
1292 sta->sta.tdls = true;
77ee7c89 1293 }
4fd6931e 1294
d9a7ddb0
JB		 1295 err = sta_apply_parameters(local, sta, params);
1296 if (err) {
1297 sta_info_free(local, sta);
1298 return err;
1299 }
4fd6931e 1300
d64cf63e 1301 /*
77ee7c89
JB		 1302 * for TDLS, rate control should be initialized only when
1303 * rates are known and station is marked authorized
d64cf63e
AN		 1304 */
1305 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1306 rate_control_rate_init(sta);
4fd6931e 1307
b8d476c8
JM		 1308 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1309 sdata->vif.type == NL80211_IFTYPE_AP;
1310
34e89507 1311 err = sta_info_insert_rcu(sta);
73651ee6 1312 if (err) {
73651ee6
JB		 1313 rcu_read_unlock();
1314 return err;
1315 }
1316
b8d476c8 1317 if (layer2_update)
73651ee6
JB		 1318 ieee80211_send_layer2_update(sta);
1319
1320 rcu_read_unlock();
1321
4fd6931e
JB		 1322 return 0;
1323}
1324
1325static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1326 struct station_del_parameters *params)
4fd6931e 1327{
14db74bc 1328 struct ieee80211_sub_if_data *sdata;
4fd6931e 1329
14db74bc
JB		 1330 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1331
89c771e5
JM		 1332 if (params->mac)
1333 return sta_info_destroy_addr_bss(sdata, params->mac);
4fd6931e 1334
b998e8bb 1335 sta_info_flush(sdata);
4fd6931e
JB		 1336 return 0;
1337}
1338
1339static int ieee80211_change_station(struct wiphy *wiphy,
3b3a0162 1340 struct net_device *dev, const u8 *mac,
4fd6931e
JB		 1341 struct station_parameters *params)
1342{
abe60632 1343 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1344 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1345 struct sta_info *sta;
1346 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1347 enum cfg80211_station_type statype;
35b88623 1348 int err;
4fd6931e 1349
87be1e1e 1350 mutex_lock(&local->sta_mtx);
98dd6a57 1351
0e5ded5a 1352 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1353 if (!sta) {
77ee7c89
JB		 1354 err = -ENOENT;
1355 goto out_err;
98dd6a57 1356 }
4fd6931e 1357
77ee7c89
JB		 1358 switch (sdata->vif.type) {
1359 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1360 if (sdata->u.mesh.user_mpm)
eef941e6 1361 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1362 else
eef941e6 1363 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1364 break;
1365 case NL80211_IFTYPE_ADHOC:
1366 statype = CFG80211_STA_IBSS;
1367 break;
1368 case NL80211_IFTYPE_STATION:
1369 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1370 statype = CFG80211_STA_AP_STA;
1371 break;
1372 }
1373 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1374 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1375 else
1376 statype = CFG80211_STA_TDLS_PEER_SETUP;
1377 break;
1378 case NL80211_IFTYPE_AP:
1379 case NL80211_IFTYPE_AP_VLAN:
1380 statype = CFG80211_STA_AP_CLIENT;
1381 break;
1382 default:
1383 err = -EOPNOTSUPP;
1384 goto out_err;
bdd90d5e
JB		 1385 }
1386
77ee7c89
JB		 1387 err = cfg80211_check_station_change(wiphy, params, statype);
1388 if (err)
1389 goto out_err;
1390
d0709a65 1391 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1392 bool prev_4addr = false;
1393 bool new_4addr = false;
1394
4fd6931e
JB		 1395 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1396
9bc383de 1397 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1398 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1399 err = -EBUSY;
1400 goto out_err;
3305443c 1401 }
f14543ee 1402
cf778b00 1403 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1404 new_4addr = true;
1405 }
1406
1407 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1408 sta->sdata->u.vlan.sta) {
0c2bef46 1409 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
7e3ed02c 1410 prev_4addr = true;
f14543ee
FF		 1411 }
1412
14db74bc 1413 sta->sdata = vlansdata;
7e3ed02c
FF		 1414
1415 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1416 prev_4addr != new_4addr) {
1417 if (new_4addr)
1418 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1419 else
1420 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1421 }
1422
4fd6931e
JB		 1423 ieee80211_send_layer2_update(sta);
1424 }
1425
35b88623 1426 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1427 if (err)
1428 goto out_err;
4fd6931e 1429
87be1e1e 1430 mutex_unlock(&local->sta_mtx);
98dd6a57 1431
687da132
EG		 1432 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1433 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1434 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1435 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1436 sta_info_tx_streams(sta) != 1) {
1437 ht_dbg(sta->sdata,
1438 "%pM just authorized and MIMO capable - update SMPS\n",
1439 sta->sta.addr);
1440 ieee80211_send_smps_action(sta->sdata,
1441 sta->sdata->bss->req_smps,
1442 sta->sta.addr,
1443 sta->sdata->vif.bss_conf.bssid);
1444 }
1445
808118cb 1446 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1447 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1448 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1449 ieee80211_recalc_ps_vif(sdata);
1450 }
77ee7c89 1451
4fd6931e 1452 return 0;
77ee7c89
JB		 1453out_err:
1454 mutex_unlock(&local->sta_mtx);
1455 return err;
4fd6931e
JB		 1456}
1457
c5dd9c2b
LCC		 1458#ifdef CONFIG_MAC80211_MESH
1459static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1460 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1461{
14db74bc 1462 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1463 struct mesh_path *mpath;
1464 struct sta_info *sta;
c5dd9c2b 1465
14db74bc
JB		 1466 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1467
d0709a65 1468 rcu_read_lock();
abe60632 1469 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1470 if (!sta) {
1471 rcu_read_unlock();
c5dd9c2b 1472 return -ENOENT;
d0709a65 1473 }
c5dd9c2b 1474
ae76eef0
BC		 1475 mpath = mesh_path_add(sdata, dst);
1476 if (IS_ERR(mpath)) {
d0709a65 1477 rcu_read_unlock();
ae76eef0 1478 return PTR_ERR(mpath);
d0709a65 1479 }
c5dd9c2b 1480
c5dd9c2b 1481 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1482
c5dd9c2b
LCC		 1483 rcu_read_unlock();
1484 return 0;
1485}
1486
1487static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1488 const u8 *dst)
c5dd9c2b 1489{
f698d856
JBG		 1490 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1491
c5dd9c2b 1492 if (dst)
bf7cd94d 1493 return mesh_path_del(sdata, dst);
c5dd9c2b 1494
ece1a2e7 1495 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1496 return 0;
1497}
1498
3b3a0162
JB		 1499static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1500 const u8 *dst, const u8 *next_hop)
c5dd9c2b 1501{
14db74bc 1502 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1503 struct mesh_path *mpath;
1504 struct sta_info *sta;
1505
14db74bc
JB		 1506 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1507
d0709a65
JB		 1508 rcu_read_lock();
1509
abe60632 1510 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1511 if (!sta) {
1512 rcu_read_unlock();
c5dd9c2b 1513 return -ENOENT;
d0709a65 1514 }
c5dd9c2b 1515
bf7cd94d 1516 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1517 if (!mpath) {
1518 rcu_read_unlock();
c5dd9c2b
LCC		 1519 return -ENOENT;
1520 }
1521
1522 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1523
c5dd9c2b
LCC		 1524 rcu_read_unlock();
1525 return 0;
1526}
1527
1528static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1529 struct mpath_info *pinfo)
1530{
a3836e02
JB		 1531 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1532
1533 if (next_hop_sta)
1534 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b 1535 else
c84a67a2 1536 eth_zero_addr(next_hop);
c5dd9c2b 1537
7ce8c7a3
LAYS		 1538 memset(pinfo, 0, sizeof(*pinfo));
1539
f5ea9120
JB		 1540 pinfo->generation = mesh_paths_generation;
1541
c5dd9c2b 1542 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1543 MPATH_INFO_SN |
c5dd9c2b
LCC		 1544 MPATH_INFO_METRIC |
1545 MPATH_INFO_EXPTIME |
1546 MPATH_INFO_DISCOVERY_TIMEOUT |
1547 MPATH_INFO_DISCOVERY_RETRIES |
1548 MPATH_INFO_FLAGS;
1549
1550 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1551 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1552 pinfo->metric = mpath->metric;
1553 if (time_before(jiffies, mpath->exp_time))
1554 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1555 pinfo->discovery_timeout =
1556 jiffies_to_msecs(mpath->discovery_timeout);
1557 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1558 if (mpath->flags & MESH_PATH_ACTIVE)
1559 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1560 if (mpath->flags & MESH_PATH_RESOLVING)
1561 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1562 if (mpath->flags & MESH_PATH_SN_VALID)
1563 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1564 if (mpath->flags & MESH_PATH_FIXED)
1565 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1566 if (mpath->flags & MESH_PATH_RESOLVED)
1567 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1568}
1569
1570static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1571 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1572
1573{
14db74bc 1574 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1575 struct mesh_path *mpath;
1576
14db74bc
JB		 1577 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1578
c5dd9c2b 1579 rcu_read_lock();
bf7cd94d 1580 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1581 if (!mpath) {
1582 rcu_read_unlock();
1583 return -ENOENT;
1584 }
1585 memcpy(dst, mpath->dst, ETH_ALEN);
1586 mpath_set_pinfo(mpath, next_hop, pinfo);
1587 rcu_read_unlock();
1588 return 0;
1589}
1590
1591static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 1592 int idx, u8 *dst, u8 *next_hop,
1593 struct mpath_info *pinfo)
c5dd9c2b 1594{
14db74bc 1595 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1596 struct mesh_path *mpath;
1597
14db74bc
JB		 1598 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1599
c5dd9c2b 1600 rcu_read_lock();
bf7cd94d 1601 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1602 if (!mpath) {
1603 rcu_read_unlock();
1604 return -ENOENT;
1605 }
1606 memcpy(dst, mpath->dst, ETH_ALEN);
1607 mpath_set_pinfo(mpath, next_hop, pinfo);
1608 rcu_read_unlock();
1609 return 0;
1610}
93da9cc1 1611
a2db2ed3
HR		 1612static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1613 struct mpath_info *pinfo)
1614{
1615 memset(pinfo, 0, sizeof(*pinfo));
1616 memcpy(mpp, mpath->mpp, ETH_ALEN);
1617
1618 pinfo->generation = mpp_paths_generation;
1619}
1620
1621static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1622 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1623
1624{
1625 struct ieee80211_sub_if_data *sdata;
1626 struct mesh_path *mpath;
1627
1628 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1629
1630 rcu_read_lock();
1631 mpath = mpp_path_lookup(sdata, dst);
1632 if (!mpath) {
1633 rcu_read_unlock();
1634 return -ENOENT;
1635 }
1636 memcpy(dst, mpath->dst, ETH_ALEN);
1637 mpp_set_pinfo(mpath, mpp, pinfo);
1638 rcu_read_unlock();
1639 return 0;
1640}
1641
1642static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1643 int idx, u8 *dst, u8 *mpp,
1644 struct mpath_info *pinfo)
1645{
1646 struct ieee80211_sub_if_data *sdata;
1647 struct mesh_path *mpath;
1648
1649 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1650
1651 rcu_read_lock();
1652 mpath = mpp_path_lookup_by_idx(sdata, idx);
1653 if (!mpath) {
1654 rcu_read_unlock();
1655 return -ENOENT;
1656 }
1657 memcpy(dst, mpath->dst, ETH_ALEN);
1658 mpp_set_pinfo(mpath, mpp, pinfo);
1659 rcu_read_unlock();
1660 return 0;
1661}
1662
24bdd9f4 1663static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1664 struct net_device *dev,
1665 struct mesh_config *conf)
1666{
1667 struct ieee80211_sub_if_data *sdata;
1668 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1669
93da9cc1 1670 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1671 return 0;
1672}
1673
1674static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1675{
1676 return (mask >> (parm-1)) & 0x1;
1677}
1678
c80d545d
JC		 1679static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1680 const struct mesh_setup *setup)
1681{
1682 u8 *new_ie;
1683 const u8 *old_ie;
4bb62344
CYY		 1684 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1685 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1686
581a8b0f 1687 /* allocate information elements */
c80d545d 1688 new_ie = NULL;
581a8b0f 1689 old_ie = ifmsh->ie;
c80d545d 1690
581a8b0f
JC		 1691 if (setup->ie_len) {
1692 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1693 GFP_KERNEL);
1694 if (!new_ie)
1695 return -ENOMEM;
1696 }
581a8b0f
JC		 1697 ifmsh->ie_len = setup->ie_len;
1698 ifmsh->ie = new_ie;
1699 kfree(old_ie);
c80d545d
JC		 1700
1701 /* now copy the rest of the setup parameters */
1702 ifmsh->mesh_id_len = setup->mesh_id_len;
1703 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1704 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1705 ifmsh->mesh_pp_id = setup->path_sel_proto;
1706 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1707 ifmsh->user_mpm = setup->user_mpm;
0d4261ad 1708 ifmsh->mesh_auth_id = setup->auth_id;
b130e5ce
JC		 1709 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1710 if (setup->is_authenticated)
1711 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1712 if (setup->is_secure)
1713 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1714
4bb62344
CYY		 1715 /* mcast rate setting in Mesh Node */
1716 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1717 sizeof(setup->mcast_rate));
ffb3cf30 1718 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
4bb62344 1719
9bdbf04d
MP		 1720 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1721 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1722
c80d545d
JC		 1723 return 0;
1724}
1725
24bdd9f4 1726static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1727 struct net_device *dev, u32 mask,
1728 const struct mesh_config *nconf)
93da9cc1 1729{
1730 struct mesh_config *conf;
1731 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1732 struct ieee80211_if_mesh *ifmsh;
1733
93da9cc1 1734 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1735 ifmsh = &sdata->u.mesh;
93da9cc1 1736
93da9cc1 1737 /* Set the config options which we are interested in setting */
1738 conf = &(sdata->u.mesh.mshcfg);
1739 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1740 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1741 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1742 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1743 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1744 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1745 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1746 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1747 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1748 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1749 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1750 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1751 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1752 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1753 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1754 if (ifmsh->user_mpm)
1755 return -EBUSY;
93da9cc1 1756 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1757 }
d299a1f2
JC		 1758 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1759 conf->dot11MeshNbrOffsetMaxNeighbor =
1760 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1761 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1762 conf->dot11MeshHWMPmaxPREQretries =
1763 nconf->dot11MeshHWMPmaxPREQretries;
1764 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1765 conf->path_refresh_time = nconf->path_refresh_time;
1766 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1767 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1768 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1769 conf->dot11MeshHWMPactivePathTimeout =
1770 nconf->dot11MeshHWMPactivePathTimeout;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1772 conf->dot11MeshHWMPpreqMinInterval =
1773 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1774 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1775 conf->dot11MeshHWMPperrMinInterval =
1776 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1777 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1778 mask))
1779 conf->dot11MeshHWMPnetDiameterTraversalTime =
1780 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1781 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1782 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1783 ieee80211_mesh_root_setup(ifmsh);
1784 }
16dd7267 1785 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1786 /* our current gate announcement implementation rides on root
1787 * announcements, so require this ifmsh to also be a root node
1788 * */
1789 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1790 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1791 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1792 ieee80211_mesh_root_setup(ifmsh);
1793 }
16dd7267
JC		 1794 conf->dot11MeshGateAnnouncementProtocol =
1795 nconf->dot11MeshGateAnnouncementProtocol;
1796 }
a4f606ea 1797 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1798 conf->dot11MeshHWMPRannInterval =
1799 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1800 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1801 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1802 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1803 /* our RSSI threshold implementation is supported only for
1804 * devices that report signal in dBm.
1805 */
1806 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1807 return -ENOTSUPP;
1808 conf->rssi_threshold = nconf->rssi_threshold;
1809 }
70c33eaa
AN		 1810 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1811 conf->ht_opmode = nconf->ht_opmode;
1812 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1813 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1814 }
ac1073a6
CYY		 1815 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1816 conf->dot11MeshHWMPactivePathToRootTimeout =
1817 nconf->dot11MeshHWMPactivePathToRootTimeout;
1818 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1819 conf->dot11MeshHWMProotInterval =
1820 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1821 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1822 conf->dot11MeshHWMPconfirmationInterval =
1823 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1824 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1825 conf->power_mode = nconf->power_mode;
1826 ieee80211_mps_local_status_update(sdata);
1827 }
2b5e1967 1828 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1829 conf->dot11MeshAwakeWindowDuration =
1830 nconf->dot11MeshAwakeWindowDuration;
66de6713
CT		 1831 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1832 conf->plink_timeout = nconf->plink_timeout;
2b5e1967 1833 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1834 return 0;
1835}
1836
29cbe68c
JB		 1837static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1838 const struct mesh_config *conf,
1839 const struct mesh_setup *setup)
1840{
1841 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1842 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1843 int err;
29cbe68c 1844
c80d545d
JC		 1845 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1846 err = copy_mesh_setup(ifmsh, setup);
1847 if (err)
1848 return err;
cc1d2806 1849
04ecd257
JB		 1850 /* can mesh use other SMPS modes? */
1851 sdata->smps_mode = IEEE80211_SMPS_OFF;
1852 sdata->needed_rx_chains = sdata->local->rx_chains;
1853
34a3740d 1854 mutex_lock(&sdata->local->mtx);
4bf88530 1855 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1856 IEEE80211_CHANCTX_SHARED);
34a3740d 1857 mutex_unlock(&sdata->local->mtx);
cc1d2806
JB		 1858 if (err)
1859 return err;
1860
2b5e1967 1861 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1862}
1863
1864static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1865{
1866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1867
1868 ieee80211_stop_mesh(sdata);
34a3740d 1869 mutex_lock(&sdata->local->mtx);
55de908a 1870 ieee80211_vif_release_channel(sdata);
34a3740d 1871 mutex_unlock(&sdata->local->mtx);
29cbe68c
JB		 1872
1873 return 0;
1874}
c5dd9c2b
LCC		 1875#endif
1876
9f1ba906
JM		 1877static int ieee80211_change_bss(struct wiphy *wiphy,
1878 struct net_device *dev,
1879 struct bss_parameters *params)
1880{
55de908a
JB		 1881 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1882 enum ieee80211_band band;
9f1ba906
JM		 1883 u32 changed = 0;
1884
7ca133bc 1885 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
55de908a
JB		 1886 return -ENOENT;
1887
1888 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1889
9f1ba906 1890 if (params->use_cts_prot >= 0) {
bda3933a 1891 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1892 changed |= BSS_CHANGED_ERP_CTS_PROT;
1893 }
1894 if (params->use_short_preamble >= 0) {
bda3933a 1895 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1896 params->use_short_preamble;
1897 changed |= BSS_CHANGED_ERP_PREAMBLE;
1898 }
43d35343
FF		 1899
1900 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1901 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1902 sdata->vif.bss_conf.use_short_slot = true;
1903 changed |= BSS_CHANGED_ERP_SLOT;
1904 }
1905
9f1ba906 1906 if (params->use_short_slot_time >= 0) {
bda3933a 1907 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1908 params->use_short_slot_time;
1909 changed |= BSS_CHANGED_ERP_SLOT;
1910 }
1911
90c97a04 1912 if (params->basic_rates) {
2103dec1
SW		 1913 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1914 wiphy->bands[band],
1915 params->basic_rates,
1916 params->basic_rates_len,
1917 &sdata->vif.bss_conf.basic_rates);
90c97a04
JM		 1918 changed |= BSS_CHANGED_BASIC_RATES;
1919 }
1920
7b7b5e56
FF		 1921 if (params->ap_isolate >= 0) {
1922 if (params->ap_isolate)
1923 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1924 else
1925 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1926 }
1927
80d7e403
HS		 1928 if (params->ht_opmode >= 0) {
1929 sdata->vif.bss_conf.ht_operation_mode =
1930 (u16) params->ht_opmode;
1931 changed |= BSS_CHANGED_HT;
1932 }
1933
339afbf4 1934 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1935 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1936 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1937 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1938 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1939 changed |= BSS_CHANGED_P2P_PS;
1940 }
1941
67baf663
JD		 1942 if (params->p2p_opp_ps > 0) {
1943 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1944 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1945 changed |= BSS_CHANGED_P2P_PS;
1946 } else if (params->p2p_opp_ps == 0) {
1947 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1948 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1949 changed |= BSS_CHANGED_P2P_PS;
1950 }
1951
9f1ba906
JM		 1952 ieee80211_bss_info_change_notify(sdata, changed);
1953
1954 return 0;
1955}
1956
31888487 1957static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1958 struct net_device *dev,
31888487
JM		 1959 struct ieee80211_txq_params *params)
1960{
1961 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1962 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1963 struct ieee80211_tx_queue_params p;
1964
1965 if (!local->ops->conf_tx)
1966 return -EOPNOTSUPP;
1967
54bcbc69
JB		 1968 if (local->hw.queues < IEEE80211_NUM_ACS)
1969 return -EOPNOTSUPP;
1970
31888487
JM		 1971 memset(&p, 0, sizeof(p));
1972 p.aifs = params->aifs;
1973 p.cw_max = params->cwmax;
1974 p.cw_min = params->cwmin;
1975 p.txop = params->txop;
ab13315a
KV		 1976
1977 /*
1978 * Setting tx queue params disables u-apsd because it's only
1979 * called in master mode.
1980 */
1981 p.uapsd = false;
1982
a3304b0a
JB		 1983 sdata->tx_conf[params->ac] = p;
1984 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1985 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1986 "failed to set TX queue parameters for AC %d\n",
1987 params->ac);
31888487
JM		 1988 return -EINVAL;
1989 }
1990
7d25745d
JB		 1991 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1992
31888487
JM		 1993 return 0;
1994}
1995
665af4fc 1996#ifdef CONFIG_PM
ff1b6e69
JB		 1997static int ieee80211_suspend(struct wiphy *wiphy,
1998 struct cfg80211_wowlan *wowlan)
665af4fc 1999{
eecc4800 2000 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2001}
2002
2003static int ieee80211_resume(struct wiphy *wiphy)
2004{
2005 return __ieee80211_resume(wiphy_priv(wiphy));
2006}
2007#else
2008#define ieee80211_suspend NULL
2009#define ieee80211_resume NULL
2010#endif
2011
2a519311 2012static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2013 struct cfg80211_scan_request *req)
2014{
fd014284
JB		 2015 struct ieee80211_sub_if_data *sdata;
2016
2017 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2018
2ca27bcf
JB		 2019 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2020 case NL80211_IFTYPE_STATION:
2021 case NL80211_IFTYPE_ADHOC:
2022 case NL80211_IFTYPE_MESH_POINT:
2023 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2024 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2025 break;
2026 case NL80211_IFTYPE_P2P_GO:
2027 if (sdata->local->ops->hw_scan)
2028 break;
e9d7732e
JB		 2029 /*
2030 * FIXME: implement NoA while scanning in software,
2031 * for now fall through to allow scanning only when
2032 * beaconing hasn't been configured yet
2033 */
2ca27bcf 2034 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2035 /*
2036 * If the scan has been forced (and the driver supports
2037 * forcing), don't care about being beaconing already.
2038 * This will create problems to the attached stations (e.g. all
2039 * the frames sent while scanning on other channel will be
2040 * lost)
2041 */
2042 if (sdata->u.ap.beacon &&
2043 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2044 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2045 return -EOPNOTSUPP;
2046 break;
2047 default:
2048 return -EOPNOTSUPP;
2049 }
2a519311
JB		 2050
2051 return ieee80211_request_scan(sdata, req);
2052}
2053
79f460ca
LC		 2054static int
2055ieee80211_sched_scan_start(struct wiphy *wiphy,
2056 struct net_device *dev,
2057 struct cfg80211_sched_scan_request *req)
2058{
2059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2060
2061 if (!sdata->local->ops->sched_scan_start)
2062 return -EOPNOTSUPP;
2063
2064 return ieee80211_request_sched_scan_start(sdata, req);
2065}
2066
2067static int
85a9994a 2068ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2069{
2070 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2071
2072 if (!sdata->local->ops->sched_scan_stop)
2073 return -EOPNOTSUPP;
2074
85a9994a 2075 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2076}
2077
636a5d36
JM		 2078static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2079 struct cfg80211_auth_request *req)
2080{
77fdaa12 2081 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2082}
2083
2084static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2085 struct cfg80211_assoc_request *req)
2086{
77fdaa12 2087 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2088}
2089
2090static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2091 struct cfg80211_deauth_request *req)
636a5d36 2092{
63c9c5e7 2093 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2094}
2095
2096static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2097 struct cfg80211_disassoc_request *req)
636a5d36 2098{
63c9c5e7 2099 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2100}
2101
af8cdcd8
JB		 2102static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2103 struct cfg80211_ibss_params *params)
2104{
55de908a 2105 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2106}
2107
2108static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2109{
55de908a 2110 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2111}
2112
239281f8
RL		 2113static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2114 struct ocb_setup *setup)
2115{
2116 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2117}
2118
2119static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2120{
2121 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2122}
2123
391e53e3
AQ		 2124static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2125 int rate[IEEE80211_NUM_BANDS])
2126{
2127 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2128
9887dbf5
CD		 2129 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2130 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2131
2132 return 0;
2133}
2134
b9a5f8ca
JM		 2135static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2136{
2137 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2138 int err;
b9a5f8ca 2139
f23a4780 2140 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
17c18bf8
JB		 2141 ieee80211_check_fast_xmit_all(local);
2142
f23a4780
AN		 2143 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2144
17c18bf8
JB		 2145 if (err) {
2146 ieee80211_check_fast_xmit_all(local);
f23a4780 2147 return err;
17c18bf8 2148 }
f23a4780
AN		 2149 }
2150
a4bcaf55
LB		 2151 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2152 (changed & WIPHY_PARAM_DYN_ACK)) {
2153 s16 coverage_class;
2154
2155 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2156 wiphy->coverage_class : -1;
2157 err = drv_set_coverage_class(local, coverage_class);
310bc676
LT		 2158
2159 if (err)
2160 return err;
2161 }
2162
b9a5f8ca 2163 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2164 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2165
24487981
JB		 2166 if (err)
2167 return err;
b9a5f8ca
JM		 2168 }
2169
8bc83c24
JB		 2170 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2171 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2172 return -EINVAL;
b9a5f8ca 2173 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2174 }
2175 if (changed & WIPHY_PARAM_RETRY_LONG) {
2176 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2177 return -EINVAL;
b9a5f8ca 2178 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2179 }
b9a5f8ca
JM		 2180 if (changed &
2181 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2182 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2183
2184 return 0;
2185}
2186
7643a2c3 2187static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2188 struct wireless_dev *wdev,
fa61cf70 2189 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2190{
2191 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2192 struct ieee80211_sub_if_data *sdata;
db82d8a9
LB		 2193 enum nl80211_tx_power_setting txp_type = type;
2194 bool update_txp_type = false;
7643a2c3 2195
1ea6f9c0
JB		 2196 if (wdev) {
2197 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2198
2199 switch (type) {
2200 case NL80211_TX_POWER_AUTOMATIC:
2201 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2202 txp_type = NL80211_TX_POWER_LIMITED;
1ea6f9c0
JB		 2203 break;
2204 case NL80211_TX_POWER_LIMITED:
2205 case NL80211_TX_POWER_FIXED:
2206 if (mbm < 0 || (mbm % 100))
2207 return -EOPNOTSUPP;
2208 sdata->user_power_level = MBM_TO_DBM(mbm);
2209 break;
2210 }
2211
db82d8a9
LB		 2212 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2213 update_txp_type = true;
2214 sdata->vif.bss_conf.txpower_type = txp_type;
2215 }
2216
2217 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0
JB		 2218
2219 return 0;
2220 }
55de908a 2221
7643a2c3 2222 switch (type) {
fa61cf70 2223 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2224 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
db82d8a9 2225 txp_type = NL80211_TX_POWER_LIMITED;
7643a2c3 2226 break;
fa61cf70 2227 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2228 case NL80211_TX_POWER_FIXED:
2229 if (mbm < 0 || (mbm % 100))
2230 return -EOPNOTSUPP;
fa61cf70 2231 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2232 break;
7643a2c3
JB		 2233 }
2234
1ea6f9c0 2235 mutex_lock(&local->iflist_mtx);
db82d8a9 2236 list_for_each_entry(sdata, &local->interfaces, list) {
1ea6f9c0 2237 sdata->user_power_level = local->user_power_level;
db82d8a9
LB		 2238 if (txp_type != sdata->vif.bss_conf.txpower_type)
2239 update_txp_type = true;
2240 sdata->vif.bss_conf.txpower_type = txp_type;
2241 }
1ea6f9c0 2242 list_for_each_entry(sdata, &local->interfaces, list)
db82d8a9 2243 ieee80211_recalc_txpower(sdata, update_txp_type);
1ea6f9c0 2244 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2245
2246 return 0;
2247}
2248
c8442118
JB		 2249static int ieee80211_get_tx_power(struct wiphy *wiphy,
2250 struct wireless_dev *wdev,
2251 int *dbm)
7643a2c3
JB		 2252{
2253 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2254 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2255
5b3dc42b
FF		 2256 if (local->ops->get_txpower)
2257 return drv_get_txpower(local, sdata, dbm);
2258
1ea6f9c0
JB		 2259 if (!local->use_chanctx)
2260 *dbm = local->hw.conf.power_level;
2261 else
2262 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2263
7643a2c3
JB		 2264 return 0;
2265}
2266
ab737a4f 2267static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2268 const u8 *addr)
ab737a4f
JB		 2269{
2270 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2271
2272 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2273
2274 return 0;
2275}
2276
1f87f7d3
JB		 2277static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2278{
2279 struct ieee80211_local *local = wiphy_priv(wiphy);
2280
2281 drv_rfkill_poll(local);
2282}
2283
aff89a9b 2284#ifdef CONFIG_NL80211_TESTMODE
fc73f11f
DS		 2285static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2286 struct wireless_dev *wdev,
2287 void *data, int len)
aff89a9b
JB		 2288{
2289 struct ieee80211_local *local = wiphy_priv(wiphy);
52981cd7 2290 struct ieee80211_vif *vif = NULL;
aff89a9b
JB		 2291
2292 if (!local->ops->testmode_cmd)
2293 return -EOPNOTSUPP;
2294
52981cd7
DS		 2295 if (wdev) {
2296 struct ieee80211_sub_if_data *sdata;
2297
2298 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2299 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2300 vif = &sdata->vif;
2301 }
2302
2303 return local->ops->testmode_cmd(&local->hw, vif, data, len);
aff89a9b 2304}
71063f0e
WYG		 2305
2306static int ieee80211_testmode_dump(struct wiphy *wiphy,
2307 struct sk_buff *skb,
2308 struct netlink_callback *cb,
2309 void *data, int len)
2310{
2311 struct ieee80211_local *local = wiphy_priv(wiphy);
2312
2313 if (!local->ops->testmode_dump)
2314 return -EOPNOTSUPP;
2315
2316 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2317}
aff89a9b
JB		 2318#endif
2319
687da132
EG		 2320int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2321 enum ieee80211_smps_mode smps_mode)
2322{
2323 struct sta_info *sta;
2324 enum ieee80211_smps_mode old_req;
687da132
EG		 2325
2326 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2327 return -EINVAL;
2328
2329 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2330 return 0;
2331
2332 old_req = sdata->u.ap.req_smps;
2333 sdata->u.ap.req_smps = smps_mode;
2334
2335 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2336 if (old_req == smps_mode ||
2337 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2338 return 0;
2339
2340 /* If no associated stations, there's no need to do anything */
2341 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2342 sdata->smps_mode = smps_mode;
2343 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2344 return 0;
2345 }
2346
2347 ht_dbg(sdata,
6a8b4adb 2348 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
687da132
EG		 2349 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2350
2351 mutex_lock(&sdata->local->sta_mtx);
7d9bb2f0
JB		 2352 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2353 /*
2354 * Only stations associated to our AP and
2355 * associated VLANs
2356 */
2357 if (sta->sdata->bss != &sdata->u.ap)
2358 continue;
687da132 2359
7d9bb2f0
JB		 2360 /* This station doesn't support MIMO - skip it */
2361 if (sta_info_tx_streams(sta) == 1)
2362 continue;
687da132 2363
7d9bb2f0
JB		 2364 /*
2365 * Don't wake up a STA just to send the action frame
2366 * unless we are getting more restrictive.
2367 */
2368 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2369 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2370 smps_mode)) {
2371 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2372 sta->sta.addr);
2373 continue;
2374 }
687da132 2375
7d9bb2f0
JB		 2376 /*
2377 * If the STA is not authorized, wait until it gets
2378 * authorized and the action frame will be sent then.
2379 */
2380 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2381 continue;
687da132 2382
7d9bb2f0
JB		 2383 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2384 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2385 sdata->vif.bss_conf.bssid);
687da132
EG		 2386 }
2387 mutex_unlock(&sdata->local->sta_mtx);
2388
2389 sdata->smps_mode = smps_mode;
2390 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2391
2392 return 0;
2393}
2394
2395int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2396 enum ieee80211_smps_mode smps_mode)
0f78231b
JB		 2397{
2398 const u8 *ap;
2399 enum ieee80211_smps_mode old_req;
2400 int err;
2401
8d61ffa5 2402 lockdep_assert_held(&sdata->wdev.mtx);
243e6df4 2403
687da132
EG		 2404 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2405 return -EINVAL;
2406
0f78231b
JB		 2407 old_req = sdata->u.mgd.req_smps;
2408 sdata->u.mgd.req_smps = smps_mode;
2409
2410 if (old_req == smps_mode &&
2411 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2412 return 0;
2413
2414 /*
2415 * If not associated, or current association is not an HT
04ecd257
JB		 2416 * association, there's no need to do anything, just store
2417 * the new value until we associate.
0f78231b
JB		 2418 */
2419 if (!sdata->u.mgd.associated ||
4bf88530 2420 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2421 return 0;
0f78231b 2422
0c1ad2ca 2423 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2424
2425 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2426 if (sdata->u.mgd.powersave)
2427 smps_mode = IEEE80211_SMPS_DYNAMIC;
2428 else
2429 smps_mode = IEEE80211_SMPS_OFF;
2430 }
2431
2432 /* send SM PS frame to AP */
2433 err = ieee80211_send_smps_action(sdata, smps_mode,
2434 ap, ap);
2435 if (err)
2436 sdata->u.mgd.req_smps = old_req;
2437
2438 return err;
2439}
2440
bc92afd9
JB		 2441static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2442 bool enabled, int timeout)
2443{
2444 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2445 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2446
2d3db210 2447 if (sdata->vif.type != NL80211_IFTYPE_STATION)
e5de30c9
BP		 2448 return -EOPNOTSUPP;
2449
bc92afd9
JB		 2450 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2451 return -EOPNOTSUPP;
2452
2453 if (enabled == sdata->u.mgd.powersave &&
ff616381 2454 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2455 return 0;
2456
2457 sdata->u.mgd.powersave = enabled;
ff616381 2458 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2459
0f78231b 2460 /* no change, but if automatic follow powersave */
ed405be5 2461 sdata_lock(sdata);
687da132 2462 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
ed405be5 2463 sdata_unlock(sdata);
0f78231b 2464
bc92afd9
JB		 2465 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2466 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2467
2468 ieee80211_recalc_ps(local, -1);
ab095877 2469 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2470
2471 return 0;
2472}
2473
a97c13c3
JO		 2474static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2475 struct net_device *dev,
2476 s32 rssi_thold, u32 rssi_hyst)
2477{
2478 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2479 struct ieee80211_vif *vif = &sdata->vif;
2480 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2481
a97c13c3
JO		 2482 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2483 rssi_hyst == bss_conf->cqm_rssi_hyst)
2484 return 0;
2485
2486 bss_conf->cqm_rssi_thold = rssi_thold;
2487 bss_conf->cqm_rssi_hyst = rssi_hyst;
2488
2489 /* tell the driver upon association, unless already associated */
ea086359
JB		 2490 if (sdata->u.mgd.associated &&
2491 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2492 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2493
2494 return 0;
2495}
2496
9930380f
JB		 2497static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2498 struct net_device *dev,
2499 const u8 *addr,
2500 const struct cfg80211_bitrate_mask *mask)
2501{
2502 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2503 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2504 int i, ret;
2c7e6bc9 2505
554a43d5
EP		 2506 if (!ieee80211_sdata_running(sdata))
2507 return -ENETDOWN;
2508
bdbfd6b5
SM		 2509 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2510 ret = drv_set_bitrate_mask(local, sdata, mask);
2511 if (ret)
2512 return ret;
2513 }
9930380f 2514
19468413 2515 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2516 struct ieee80211_supported_band *sband = wiphy->bands[i];
2517 int j;
2518
37eb0b16 2519 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
d1e33e65
JD		 2520 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2521 sizeof(mask->control[i].ht_mcs));
2ffbe6d3
FF		 2522
2523 sdata->rc_has_mcs_mask[i] = false;
2524 if (!sband)
2525 continue;
2526
2527 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2528 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2529 sdata->rc_has_mcs_mask[i] = true;
2530 break;
2531 }
19468413 2532 }
9930380f 2533
37eb0b16 2534 return 0;
9930380f
JB		 2535}
2536
eaa336b0
EP		 2537static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2538 struct ieee80211_roc_work *new_roc,
2539 struct ieee80211_roc_work *cur_roc)
2540{
2541 unsigned long j = jiffies;
2542 unsigned long cur_roc_end = cur_roc->hw_start_time +
2543 msecs_to_jiffies(cur_roc->duration);
2544 struct ieee80211_roc_work *next_roc;
2545 int new_dur;
2546
2547 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2548 return false;
2549
2550 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2551 return false;
2552
2553 ieee80211_handle_roc_started(new_roc);
2554
2555 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2556
2557 /* cur_roc is long enough - add new_roc to the dependents list. */
2558 if (new_dur <= 0) {
2559 list_add_tail(&new_roc->list, &cur_roc->dependents);
2560 return true;
2561 }
2562
2563 new_roc->duration = new_dur;
2564
2565 /*
2566 * if cur_roc was already coalesced before, we might
2567 * want to extend the next roc instead of adding
2568 * a new one.
2569 */
2570 next_roc = list_entry(cur_roc->list.next,
2571 struct ieee80211_roc_work, list);
2572 if (&next_roc->list != &local->roc_list &&
2573 next_roc->chan == new_roc->chan &&
2574 next_roc->sdata == new_roc->sdata &&
2575 !WARN_ON(next_roc->started)) {
2576 list_add_tail(&new_roc->list, &next_roc->dependents);
2577 next_roc->duration = max(next_roc->duration,
2578 new_roc->duration);
2579 next_roc->type = max(next_roc->type, new_roc->type);
2580 return true;
2581 }
2582
2583 /* add right after cur_roc */
2584 list_add(&new_roc->list, &cur_roc->list);
2585
2586 return true;
2587}
2588
2eb278e0
JB		 2589static int ieee80211_start_roc_work(struct ieee80211_local *local,
2590 struct ieee80211_sub_if_data *sdata,
2591 struct ieee80211_channel *channel,
2eb278e0 2592 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2593 struct sk_buff *txskb,
2594 enum ieee80211_roc_type type)
2eb278e0
JB		 2595{
2596 struct ieee80211_roc_work *roc, *tmp;
2597 bool queued = false;
21f83589 2598 int ret;
21f83589
JB		 2599
2600 lockdep_assert_held(&local->mtx);
2601
fe57d9f5
JB		 2602 if (local->use_chanctx && !local->ops->remain_on_channel)
2603 return -EOPNOTSUPP;
2604
2eb278e0
JB		 2605 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2606 if (!roc)
2607 return -ENOMEM;
2608
2fae062e
IP		 2609 /*
2610 * If the duration is zero, then the driver
2611 * wouldn't actually do anything. Set it to
2612 * 10 for now.
2613 *
2614 * TODO: cancel the off-channel operation
2615 * when we get the SKB's TX status and
2616 * the wait time was zero before.
2617 */
2618 if (!duration)
2619 duration = 10;
2620
2eb278e0 2621 roc->chan = channel;
2eb278e0
JB		 2622 roc->duration = duration;
2623 roc->req_duration = duration;
2624 roc->frame = txskb;
d339d5ca 2625 roc->type = type;
2eb278e0
JB		 2626 roc->mgmt_tx_cookie = (unsigned long)txskb;
2627 roc->sdata = sdata;
2628 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2629 INIT_LIST_HEAD(&roc->dependents);
2630
2f617435
EP		 2631 /*
2632 * cookie is either the roc cookie (for normal roc)
2633 * or the SKB (for mgmt TX)
2634 */
2635 if (!txskb) {
2636 /* local->mtx protects this */
2637 local->roc_cookie_counter++;
2638 roc->cookie = local->roc_cookie_counter;
2639 /* wow, you wrapped 64 bits ... more likely a bug */
2640 if (WARN_ON(roc->cookie == 0)) {
2641 roc->cookie = 1;
2642 local->roc_cookie_counter++;
2643 }
2644 *cookie = roc->cookie;
2645 } else {
2646 *cookie = (unsigned long)txskb;
2647 }
2648
2eb278e0 2649 /* if there's one pending or we're scanning, queue this one */
164eb02d 2650 if (!list_empty(&local->roc_list) ||
5cbc95a7 2651 local->scanning || ieee80211_is_radar_required(local))
2eb278e0
JB		 2652 goto out_check_combine;
2653
2654 /* if not HW assist, just queue & schedule work */
2655 if (!local->ops->remain_on_channel) {
2656 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2657 goto out_queue;
2658 }
2659
2660 /* otherwise actually kick it off here (for error handling) */
2661
d339d5ca 2662 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2663 if (ret) {
2eb278e0
JB		 2664 kfree(roc);
2665 return ret;
21f83589
JB		 2666 }
2667
2eb278e0
JB		 2668 roc->started = true;
2669 goto out_queue;
2670
2671 out_check_combine:
2672 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2673 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2674 continue;
2675
2676 /*
2677 * Extend this ROC if possible:
2678 *
2679 * If it hasn't started yet, just increase the duration
2680 * and add the new one to the list of dependents.
d339d5ca
IP		 2681 * If the type of the new ROC has higher priority, modify the
2682 * type of the previous one to match that of the new one.
2eb278e0
JB		 2683 */
2684 if (!tmp->started) {
2685 list_add_tail(&roc->list, &tmp->dependents);
2686 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2687 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2688 queued = true;
2689 break;
2690 }
2691
2692 /* If it has already started, it's more difficult ... */
2693 if (local->ops->remain_on_channel) {
2eb278e0
JB		 2694 /*
2695 * In the offloaded ROC case, if it hasn't begun, add
2696 * this new one to the dependent list to be handled
d339d5ca 2697 * when the master one begins. If it has begun,
2eb278e0
JB		 2698 * check that there's still a minimum time left and
2699 * if so, start this one, transmitting the frame, but
d339d5ca 2700 * add it to the list directly after this one with
2eb278e0
JB		 2701 * a reduced time so we'll ask the driver to execute
2702 * it right after finishing the previous one, in the
2703 * hope that it'll also be executed right afterwards,
2704 * effectively extending the old one.
2705 * If there's no minimum time left, just add it to the
2706 * normal list.
d339d5ca
IP		 2707 * TODO: the ROC type is ignored here, assuming that it
2708 * is better to immediately use the current ROC.
2eb278e0
JB		 2709 */
2710 if (!tmp->hw_begun) {
2711 list_add_tail(&roc->list, &tmp->dependents);
2712 queued = true;
2713 break;
2714 }
2715
eaa336b0 2716 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2eb278e0 2717 queued = true;
2eb278e0
JB		 2718 } else if (del_timer_sync(&tmp->work.timer)) {
2719 unsigned long new_end;
2720
2721 /*
2722 * In the software ROC case, cancel the timer, if
2723 * that fails then the finish work is already
2724 * queued/pending and thus we queue the new ROC
2725 * normally, if that succeeds then we can extend
2726 * the timer duration and TX the frame (if any.)
2727 */
2728
2729 list_add_tail(&roc->list, &tmp->dependents);
2730 queued = true;
2731
2732 new_end = jiffies + msecs_to_jiffies(roc->duration);
2733
2734 /* ok, it was started & we canceled timer */
2735 if (time_after(new_end, tmp->work.timer.expires))
2736 mod_timer(&tmp->work.timer, new_end);
2737 else
2738 add_timer(&tmp->work.timer);
2739
2740 ieee80211_handle_roc_started(roc);
2741 }
2742 break;
2743 }
2744
2745 out_queue:
2746 if (!queued)
2747 list_add_tail(&roc->list, &local->roc_list);
2748
2eb278e0 2749 return 0;
21f83589
JB		 2750}
2751
b8bc4b0a 2752static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2753 struct wireless_dev *wdev,
b8bc4b0a 2754 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2755 unsigned int duration,
2756 u64 *cookie)
2757{
71bbc994 2758 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2759 struct ieee80211_local *local = sdata->local;
2eb278e0 2760 int ret;
21f83589 2761
2eb278e0 2762 mutex_lock(&local->mtx);
42d97a59 2763 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2764 duration, cookie, NULL,
2765 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2766 mutex_unlock(&local->mtx);
b8bc4b0a 2767
2eb278e0 2768 return ret;
b8bc4b0a
JB		 2769}
2770
2eb278e0
JB		 2771static int ieee80211_cancel_roc(struct ieee80211_local *local,
2772 u64 cookie, bool mgmt_tx)
21f83589 2773{
2eb278e0 2774 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2775 int ret;
2776
2eb278e0
JB		 2777 mutex_lock(&local->mtx);
2778 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2779 struct ieee80211_roc_work *dep, *tmp2;
2780
2781 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2782 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2783 continue;
2784 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2785 continue;
2786 /* found dependent item -- just remove it */
2787 list_del(&dep->list);
2788 mutex_unlock(&local->mtx);
2789
3fbd45ca 2790 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2791 return 0;
2792 }
2793
50febf6a 2794 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2795 continue;
2796 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2797 continue;
21f83589 2798
2eb278e0
JB		 2799 found = roc;
2800 break;
2801 }
21f83589 2802
2eb278e0
JB		 2803 if (!found) {
2804 mutex_unlock(&local->mtx);
2805 return -ENOENT;
2806 }
21f83589 2807
e979e33c
JB		 2808 /*
2809 * We found the item to cancel, so do that. Note that it
2810 * may have dependents, which we also cancel (and send
2811 * the expired signal for.) Not doing so would be quite
2812 * tricky here, but we may need to fix it later.
2813 */
2814
2eb278e0
JB		 2815 if (local->ops->remain_on_channel) {
2816 if (found->started) {
2817 ret = drv_cancel_remain_on_channel(local);
2818 if (WARN_ON_ONCE(ret)) {
2819 mutex_unlock(&local->mtx);
2820 return ret;
2821 }
2822 }
21f83589 2823
2eb278e0 2824 list_del(&found->list);
21f83589 2825
0f6b3f59
JB		 2826 if (found->started)
2827 ieee80211_start_next_roc(local);
2eb278e0 2828 mutex_unlock(&local->mtx);
21f83589 2829
3fbd45ca 2830 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2831 } else {
2832 /* work may be pending so use it all the time */
2833 found->abort = true;
2834 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2835
21f83589
JB		 2836 mutex_unlock(&local->mtx);
2837
2eb278e0
JB		 2838 /* work will clean up etc */
2839 flush_delayed_work(&found->work);
3fbd45ca
JB		 2840 WARN_ON(!found->to_be_freed);
2841 kfree(found);
21f83589 2842 }
b8bc4b0a 2843
2eb278e0 2844 return 0;
b8bc4b0a
JB		 2845}
2846
2eb278e0 2847static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2848 struct wireless_dev *wdev,
2eb278e0 2849 u64 cookie)
f30221e4 2850{
71bbc994 2851 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2852 struct ieee80211_local *local = sdata->local;
f30221e4 2853
2eb278e0 2854 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2855}
2856
164eb02d
SW		 2857static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2858 struct net_device *dev,
31559f35
JD		 2859 struct cfg80211_chan_def *chandef,
2860 u32 cac_time_ms)
164eb02d
SW		 2861{
2862 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2863 struct ieee80211_local *local = sdata->local;
164eb02d
SW		 2864 int err;
2865
34a3740d
JB		 2866 mutex_lock(&local->mtx);
2867 if (!list_empty(&local->roc_list) || local->scanning) {
2868 err = -EBUSY;
2869 goto out_unlock;
2870 }
164eb02d
SW		 2871
2872 /* whatever, but channel contexts should not complain about that one */
2873 sdata->smps_mode = IEEE80211_SMPS_OFF;
2874 sdata->needed_rx_chains = local->rx_chains;
164eb02d 2875
164eb02d
SW		 2876 err = ieee80211_vif_use_channel(sdata, chandef,
2877 IEEE80211_CHANCTX_SHARED);
164eb02d 2878 if (err)
34a3740d 2879 goto out_unlock;
164eb02d 2880
164eb02d 2881 ieee80211_queue_delayed_work(&sdata->local->hw,
31559f35
JD		 2882 &sdata->dfs_cac_timer_work,
2883 msecs_to_jiffies(cac_time_ms));
164eb02d 2884
34a3740d
JB		 2885 out_unlock:
2886 mutex_unlock(&local->mtx);
2887 return err;
164eb02d
SW		 2888}
2889
73da7d5b
SW		 2890static struct cfg80211_beacon_data *
2891cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2892{
2893 struct cfg80211_beacon_data *new_beacon;
2894 u8 *pos;
2895 int len;
2896
2897 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2898 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2899 beacon->probe_resp_len;
2900
2901 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2902 if (!new_beacon)
2903 return NULL;
2904
2905 pos = (u8 *)(new_beacon + 1);
2906 if (beacon->head_len) {
2907 new_beacon->head_len = beacon->head_len;
2908 new_beacon->head = pos;
2909 memcpy(pos, beacon->head, beacon->head_len);
2910 pos += beacon->head_len;
2911 }
2912 if (beacon->tail_len) {
2913 new_beacon->tail_len = beacon->tail_len;
2914 new_beacon->tail = pos;
2915 memcpy(pos, beacon->tail, beacon->tail_len);
2916 pos += beacon->tail_len;
2917 }
2918 if (beacon->beacon_ies_len) {
2919 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2920 new_beacon->beacon_ies = pos;
2921 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2922 pos += beacon->beacon_ies_len;
2923 }
2924 if (beacon->proberesp_ies_len) {
2925 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2926 new_beacon->proberesp_ies = pos;
2927 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2928 pos += beacon->proberesp_ies_len;
2929 }
2930 if (beacon->assocresp_ies_len) {
2931 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2932 new_beacon->assocresp_ies = pos;
2933 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2934 pos += beacon->assocresp_ies_len;
2935 }
2936 if (beacon->probe_resp_len) {
2937 new_beacon->probe_resp_len = beacon->probe_resp_len;
2938 beacon->probe_resp = pos;
2939 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2940 pos += beacon->probe_resp_len;
2941 }
2942
2943 return new_beacon;
2944}
2945
66e01cf9 2946void ieee80211_csa_finish(struct ieee80211_vif *vif)
73da7d5b 2947{
66e01cf9 2948 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
73da7d5b 2949
66e01cf9
LC		 2950 ieee80211_queue_work(&sdata->local->hw,
2951 &sdata->csa_finalize_work);
2952}
2953EXPORT_SYMBOL(ieee80211_csa_finish);
e487eaeb 2954
66199506
MK		 2955static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2956 u32 *changed)
66e01cf9 2957{
66199506 2958 int err;
7578d575 2959
cd7760e6
SW		 2960 switch (sdata->vif.type) {
2961 case NL80211_IFTYPE_AP:
af296bdb
MK		 2962 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2963 NULL);
97518af1
MK		 2964 kfree(sdata->u.ap.next_beacon);
2965 sdata->u.ap.next_beacon = NULL;
2966
cd7760e6 2967 if (err < 0)
66199506
MK		 2968 return err;
2969 *changed |= err;
cd7760e6
SW		 2970 break;
2971 case NL80211_IFTYPE_ADHOC:
faf046e7
MK		 2972 err = ieee80211_ibss_finish_csa(sdata);
2973 if (err < 0)
66199506
MK		 2974 return err;
2975 *changed |= err;
cd7760e6 2976 break;
b8456a14
CYY		 2977#ifdef CONFIG_MAC80211_MESH
2978 case NL80211_IFTYPE_MESH_POINT:
2979 err = ieee80211_mesh_finish_csa(sdata);
2980 if (err < 0)
66199506
MK		 2981 return err;
2982 *changed |= err;
b8456a14
CYY		 2983 break;
2984#endif
cd7760e6
SW		 2985 default:
2986 WARN_ON(1);
66199506
MK		 2987 return -EINVAL;
2988 }
2989
2990 return 0;
2991}
2992
cf8767dd 2993static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
66199506
MK		 2994{
2995 struct ieee80211_local *local = sdata->local;
2996 u32 changed = 0;
2997 int err;
2998
2999 sdata_assert_lock(sdata);
3000 lockdep_assert_held(&local->mtx);
03078de4 3001 lockdep_assert_held(&local->chanctx_mtx);
66199506 3002
03078de4
MK		 3003 /*
3004 * using reservation isn't immediate as it may be deferred until later
3005 * with multi-vif. once reservation is complete it will re-schedule the
3006 * work with no reserved_chanctx so verify chandef to check if it
3007 * completed successfully
3008 */
66199506 3009
03078de4
MK		 3010 if (sdata->reserved_chanctx) {
3011 /*
3012 * with multi-vif csa driver may call ieee80211_csa_finish()
3013 * many times while waiting for other interfaces to use their
3014 * reservations
3015 */
3016 if (sdata->reserved_ready)
3017 return 0;
3018
408b18ab 3019 return ieee80211_vif_use_reserved_context(sdata);
cd7760e6 3020 }
73da7d5b 3021
03078de4
MK		 3022 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3023 &sdata->csa_chandef))
3024 return -EINVAL;
3025
66199506
MK		 3026 sdata->vif.csa_active = false;
3027
3028 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3029 if (err)
cf8767dd 3030 return err;
faf046e7 3031
66199506 3032 ieee80211_bss_info_change_notify(sdata, changed);
59af6928 3033
a46992b4
LC		 3034 if (sdata->csa_block_tx) {
3035 ieee80211_wake_vif_queues(local, sdata,
3036 IEEE80211_QUEUE_STOP_REASON_CSA);
3037 sdata->csa_block_tx = false;
3038 }
cf8767dd 3039
f1d65583
LC		 3040 err = drv_post_channel_switch(sdata);
3041 if (err)
3042 return err;
3043
3044 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3045
cf8767dd
MK		 3046 return 0;
3047}
3048
3049static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3050{
3051 if (__ieee80211_csa_finalize(sdata)) {
3052 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3053 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3054 GFP_KERNEL);
3055 }
66e01cf9
LC		 3056}
3057
3058void ieee80211_csa_finalize_work(struct work_struct *work)
3059{
3060 struct ieee80211_sub_if_data *sdata =
3061 container_of(work, struct ieee80211_sub_if_data,
3062 csa_finalize_work);
59af6928 3063 struct ieee80211_local *local = sdata->local;
66e01cf9
LC		 3064
3065 sdata_lock(sdata);
59af6928 3066 mutex_lock(&local->mtx);
03078de4 3067 mutex_lock(&local->chanctx_mtx);
59af6928 3068
66e01cf9
LC		 3069 /* AP might have been stopped while waiting for the lock. */
3070 if (!sdata->vif.csa_active)
3071 goto unlock;
3072
3073 if (!ieee80211_sdata_running(sdata))
3074 goto unlock;
3075
3076 ieee80211_csa_finalize(sdata);
e487eaeb
SW		 3077
3078unlock:
03078de4 3079 mutex_unlock(&local->chanctx_mtx);
59af6928 3080 mutex_unlock(&local->mtx);
e487eaeb 3081 sdata_unlock(sdata);
73da7d5b
SW		 3082}
3083
37fa2bdd
MK		 3084static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3085 struct cfg80211_csa_settings *params,
3086 u32 *changed)
73da7d5b 3087{
af296bdb 3088 struct ieee80211_csa_settings csa = {};
37fa2bdd 3089 int err;
73da7d5b 3090
73da7d5b
SW		 3091 switch (sdata->vif.type) {
3092 case NL80211_IFTYPE_AP:
cd7760e6
SW		 3093 sdata->u.ap.next_beacon =
3094 cfg80211_beacon_dup(&params->beacon_after);
3095 if (!sdata->u.ap.next_beacon)
3096 return -ENOMEM;
3097
66e01cf9
LC		 3098 /*
3099 * With a count of 0, we don't have to wait for any
3100 * TBTT before switching, so complete the CSA
3101 * immediately. In theory, with a count == 1 we
3102 * should delay the switch until just before the next
3103 * TBTT, but that would complicate things so we switch
3104 * immediately too. If we would delay the switch
3105 * until the next TBTT, we would have to set the probe
3106 * response here.
3107 *
3108 * TODO: A channel switch with count <= 1 without
3109 * sending a CSA action frame is kind of useless,
3110 * because the clients won't know we're changing
3111 * channels. The action frame must be implemented
3112 * either here or in the userspace.
3113 */
3114 if (params->count <= 1)
3115 break;
3116
0d06d9ba
AO		 3117 if ((params->n_counter_offsets_beacon >
3118 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3119 (params->n_counter_offsets_presp >
3120 IEEE80211_MAX_CSA_COUNTERS_NUM))
3121 return -EINVAL;
9a774c78 3122
af296bdb
MK		 3123 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3124 csa.counter_offsets_presp = params->counter_offsets_presp;
3125 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3126 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3127 csa.count = params->count;
9a774c78 3128
af296bdb 3129 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
cd7760e6
SW		 3130 if (err < 0) {
3131 kfree(sdata->u.ap.next_beacon);
3132 return err;
3133 }
37fa2bdd 3134 *changed |= err;
66e01cf9 3135
cd7760e6
SW		 3136 break;
3137 case NL80211_IFTYPE_ADHOC:
3138 if (!sdata->vif.bss_conf.ibss_joined)
3139 return -EINVAL;
3140
3141 if (params->chandef.width != sdata->u.ibss.chandef.width)
3142 return -EINVAL;
3143
3144 switch (params->chandef.width) {
3145 case NL80211_CHAN_WIDTH_40:
3146 if (cfg80211_get_chandef_type(&params->chandef) !=
3147 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3148 return -EINVAL;
3149 case NL80211_CHAN_WIDTH_5:
3150 case NL80211_CHAN_WIDTH_10:
3151 case NL80211_CHAN_WIDTH_20_NOHT:
3152 case NL80211_CHAN_WIDTH_20:
3153 break;
3154 default:
3155 return -EINVAL;
3156 }
3157
3158 /* changes into another band are not supported */
3159 if (sdata->u.ibss.chandef.chan->band !=
3160 params->chandef.chan->band)
3161 return -EINVAL;
3162
66e01cf9
LC		 3163 /* see comments in the NL80211_IFTYPE_AP block */
3164 if (params->count > 1) {
3165 err = ieee80211_ibss_csa_beacon(sdata, params);
3166 if (err < 0)
3167 return err;
37fa2bdd 3168 *changed |= err;
66e01cf9
LC		 3169 }
3170
3171 ieee80211_send_action_csa(sdata, params);
3172
73da7d5b 3173 break;
c6da674a 3174#ifdef CONFIG_MAC80211_MESH
37fa2bdd
MK		 3175 case NL80211_IFTYPE_MESH_POINT: {
3176 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c6da674a 3177
c6da674a
CYY		 3178 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3179 return -EINVAL;
3180
3181 /* changes into another band are not supported */
3182 if (sdata->vif.bss_conf.chandef.chan->band !=
3183 params->chandef.chan->band)
3184 return -EINVAL;
3185
c782bf8c 3186 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
0cb4d4dc 3187 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
c782bf8c
CYY		 3188 if (!ifmsh->pre_value)
3189 ifmsh->pre_value = 1;
3190 else
3191 ifmsh->pre_value++;
3192 }
0cb4d4dc 3193
66e01cf9
LC		 3194 /* see comments in the NL80211_IFTYPE_AP block */
3195 if (params->count > 1) {
3196 err = ieee80211_mesh_csa_beacon(sdata, params);
3197 if (err < 0) {
3198 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3199 return err;
3200 }
37fa2bdd 3201 *changed |= err;
3f718fd8 3202 }
66e01cf9
LC		 3203
3204 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3205 ieee80211_send_action_csa(sdata, params);
3206
c6da674a 3207 break;
37fa2bdd 3208 }
c6da674a 3209#endif
73da7d5b
SW		 3210 default:
3211 return -EOPNOTSUPP;
3212 }
3213
37fa2bdd
MK		 3214 return 0;
3215}
3216
f29f58a9
LC		 3217static int
3218__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3219 struct cfg80211_csa_settings *params)
37fa2bdd
MK		 3220{
3221 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3222 struct ieee80211_local *local = sdata->local;
6d027bcc 3223 struct ieee80211_channel_switch ch_switch;
2b32713d 3224 struct ieee80211_chanctx_conf *conf;
37fa2bdd 3225 struct ieee80211_chanctx *chanctx;
b08cc24e
JB		 3226 u32 changed = 0;
3227 int err;
37fa2bdd
MK		 3228
3229 sdata_assert_lock(sdata);
59af6928 3230 lockdep_assert_held(&local->mtx);
37fa2bdd
MK		 3231
3232 if (!list_empty(&local->roc_list) || local->scanning)
3233 return -EBUSY;
3234
3235 if (sdata->wdev.cac_started)
3236 return -EBUSY;
3237
3238 if (cfg80211_chandef_identical(&params->chandef,
3239 &sdata->vif.bss_conf.chandef))
3240 return -EINVAL;
3241
03078de4
MK		 3242 /* don't allow another channel switch if one is already active. */
3243 if (sdata->vif.csa_active)
3244 return -EBUSY;
3245
2b32713d
MK		 3246 mutex_lock(&local->chanctx_mtx);
3247 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3248 lockdep_is_held(&local->chanctx_mtx));
3249 if (!conf) {
03078de4
MK		 3250 err = -EBUSY;
3251 goto out;
37fa2bdd
MK		 3252 }
3253
2b32713d 3254 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
03078de4
MK		 3255 if (!chanctx) {
3256 err = -EBUSY;
3257 goto out;
37fa2bdd 3258 }
37fa2bdd 3259
000baa5d
LC		 3260 ch_switch.timestamp = 0;
3261 ch_switch.device_timestamp = 0;
3262 ch_switch.block_tx = params->block_tx;
3263 ch_switch.chandef = params->chandef;
3264 ch_switch.count = params->count;
3265
6d027bcc
LC		 3266 err = drv_pre_channel_switch(sdata, &ch_switch);
3267 if (err)
3268 goto out;
3269
03078de4
MK		 3270 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3271 chanctx->mode,
3272 params->radar_required);
3273 if (err)
3274 goto out;
37fa2bdd 3275
03078de4
MK		 3276 /* if reservation is invalid then this will fail */
3277 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3278 if (err) {
3279 ieee80211_vif_unreserve_chanctx(sdata);
3280 goto out;
3281 }
37fa2bdd
MK		 3282
3283 err = ieee80211_set_csa_beacon(sdata, params, &changed);
03078de4
MK		 3284 if (err) {
3285 ieee80211_vif_unreserve_chanctx(sdata);
3286 goto out;
3287 }
37fa2bdd 3288
33787fc4 3289 sdata->csa_chandef = params->chandef;
59af6928 3290 sdata->csa_block_tx = params->block_tx;
73da7d5b
SW		 3291 sdata->vif.csa_active = true;
3292
59af6928 3293 if (sdata->csa_block_tx)
a46992b4
LC		 3294 ieee80211_stop_vif_queues(local, sdata,
3295 IEEE80211_QUEUE_STOP_REASON_CSA);
59af6928 3296
2f457293
LC		 3297 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3298 params->count);
3299
66e01cf9
LC		 3300 if (changed) {
3301 ieee80211_bss_info_change_notify(sdata, changed);
3302 drv_channel_switch_beacon(sdata, &params->chandef);
3303 } else {
3304 /* if the beacon didn't change, we can finalize immediately */
3305 ieee80211_csa_finalize(sdata);
3306 }
73da7d5b 3307
03078de4
MK		 3308out:
3309 mutex_unlock(&local->chanctx_mtx);
3310 return err;
73da7d5b
SW		 3311}
3312
59af6928
MK		 3313int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3314 struct cfg80211_csa_settings *params)
3315{
3316 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3317 struct ieee80211_local *local = sdata->local;
3318 int err;
3319
3320 mutex_lock(&local->mtx);
3321 err = __ieee80211_channel_switch(wiphy, dev, params);
3322 mutex_unlock(&local->mtx);
3323
3324 return err;
3325}
3326
71bbc994 3327static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629
AO		 3328 struct cfg80211_mgmt_tx_params *params,
3329 u64 *cookie)
026331c4 3330{
71bbc994 3331 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 3332 struct ieee80211_local *local = sdata->local;
3333 struct sk_buff *skb;
3334 struct sta_info *sta;
b176e629 3335 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
2eb278e0 3336 bool need_offchan = false;
e247bd90 3337 u32 flags;
2eb278e0 3338 int ret;
387910cc 3339 u8 *data;
f7ca38df 3340
b176e629 3341 if (params->dont_wait_for_ack)
e247bd90
JB		 3342 flags = IEEE80211_TX_CTL_NO_ACK;
3343 else
3344 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3345 IEEE80211_TX_CTL_REQ_TX_STATUS;
3346
b176e629 3347 if (params->no_cck)
aad14ceb
RM		 3348 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3349
9d38d85d
JB		 3350 switch (sdata->vif.type) {
3351 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 3352 if (!sdata->vif.bss_conf.ibss_joined)
3353 need_offchan = true;
3354 /* fall through */
3355#ifdef CONFIG_MAC80211_MESH
3356 case NL80211_IFTYPE_MESH_POINT:
3357 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3358 !sdata->u.mesh.mesh_id_len)
3359 need_offchan = true;
3360 /* fall through */
3361#endif
663fcafd
JB		 3362 case NL80211_IFTYPE_AP:
3363 case NL80211_IFTYPE_AP_VLAN:
3364 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 3365 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3366 !ieee80211_vif_is_mesh(&sdata->vif) &&
3367 !rcu_access_pointer(sdata->bss->beacon))
3368 need_offchan = true;
663fcafd 3369 if (!ieee80211_is_action(mgmt->frame_control) ||
ac49e1a8 3370 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
cd7760e6
SW		 3371 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3372 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
9d38d85d
JB		 3373 break;
3374 rcu_read_lock();
3375 sta = sta_info_get(sdata, mgmt->da);
3376 rcu_read_unlock();
3377 if (!sta)
3378 return -ENOLINK;
3379 break;
3380 case NL80211_IFTYPE_STATION:
663fcafd 3381 case NL80211_IFTYPE_P2P_CLIENT:
b8e69d51
MG		 3382 sdata_lock(sdata);
3383 if (!sdata->u.mgd.associated ||
3384 (params->offchan && params->wait &&
3385 local->ops->remain_on_channel &&
3386 memcmp(sdata->u.mgd.associated->bssid,
3387 mgmt->bssid, ETH_ALEN)))
2eb278e0 3388 need_offchan = true;
b8e69d51 3389 sdata_unlock(sdata);
9d38d85d 3390 break;
f142c6b9
JB		 3391 case NL80211_IFTYPE_P2P_DEVICE:
3392 need_offchan = true;
3393 break;
9d38d85d
JB		 3394 default:
3395 return -EOPNOTSUPP;
3396 }
3397
f7aeb6fb
AQ		 3398 /* configurations requiring offchan cannot work if no channel has been
3399 * specified
3400 */
b176e629 3401 if (need_offchan && !params->chan)
f7aeb6fb
AQ		 3402 return -EINVAL;
3403
2eb278e0
JB		 3404 mutex_lock(&local->mtx);
3405
3406 /* Check if the operating channel is the requested channel */
3407 if (!need_offchan) {
55de908a
JB		 3408 struct ieee80211_chanctx_conf *chanctx_conf;
3409
3410 rcu_read_lock();
3411 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3412
f7aeb6fb 3413 if (chanctx_conf) {
b176e629
AO		 3414 need_offchan = params->chan &&
3415 (params->chan !=
3416 chanctx_conf->def.chan);
3417 } else if (!params->chan) {
f7aeb6fb
AQ		 3418 ret = -EINVAL;
3419 rcu_read_unlock();
3420 goto out_unlock;
3421 } else {
2eb278e0 3422 need_offchan = true;
f7aeb6fb 3423 }
55de908a 3424 rcu_read_unlock();
2eb278e0
JB		 3425 }
3426
b176e629 3427 if (need_offchan && !params->offchan) {
2eb278e0
JB		 3428 ret = -EBUSY;
3429 goto out_unlock;
3430 }
3431
b176e629 3432 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
2eb278e0
JB		 3433 if (!skb) {
3434 ret = -ENOMEM;
3435 goto out_unlock;
3436 }
9d38d85d
JB		 3437 skb_reserve(skb, local->hw.extra_tx_headroom);
3438
387910cc
AO		 3439 data = skb_put(skb, params->len);
3440 memcpy(data, params->buf, params->len);
3441
3442 /* Update CSA counters */
3443 if (sdata->vif.csa_active &&
3444 (sdata->vif.type == NL80211_IFTYPE_AP ||
3445 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3446 params->n_csa_offsets) {
3447 int i;
af296bdb 3448 struct beacon_data *beacon = NULL;
387910cc 3449
af296bdb
MK		 3450 rcu_read_lock();
3451
3452 if (sdata->vif.type == NL80211_IFTYPE_AP)
3453 beacon = rcu_dereference(sdata->u.ap.beacon);
3454 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3455 beacon = rcu_dereference(sdata->u.ibss.presp);
3456 else if (ieee80211_vif_is_mesh(&sdata->vif))
3457 beacon = rcu_dereference(sdata->u.mesh.beacon);
3458
3459 if (beacon)
3460 for (i = 0; i < params->n_csa_offsets; i++)
3461 data[params->csa_offsets[i]] =
3462 beacon->csa_current_counter;
3463
3464 rcu_read_unlock();
387910cc 3465 }
9d38d85d
JB		 3466
3467 IEEE80211_SKB_CB(skb)->flags = flags;
3468
3469 skb->dev = sdata->dev;
9d38d85d 3470
2eb278e0 3471 if (!need_offchan) {
7f9f78ab 3472 *cookie = (unsigned long) skb;
f30221e4 3473 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 3474 ret = 0;
3475 goto out_unlock;
f30221e4
JB		 3476 }
3477
6c17b77b
SF		 3478 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3479 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 3480 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3481 IEEE80211_SKB_CB(skb)->hw_queue =
3482 local->hw.offchannel_tx_hw_queue;
f30221e4 3483
2eb278e0 3484 /* This will handle all kinds of coalescing and immediate TX */
b176e629
AO		 3485 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3486 params->wait, cookie, skb,
d339d5ca 3487 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 3488 if (ret)
3489 kfree_skb(skb);
3490 out_unlock:
3491 mutex_unlock(&local->mtx);
3492 return ret;
026331c4
JM		 3493}
3494
f30221e4 3495static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 3496 struct wireless_dev *wdev,
f30221e4
JB		 3497 u64 cookie)
3498{
71bbc994 3499 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 3500
2eb278e0 3501 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 3502}
3503
7be5086d 3504static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3505 struct wireless_dev *wdev,
7be5086d
JB		 3506 u16 frame_type, bool reg)
3507{
3508 struct ieee80211_local *local = wiphy_priv(wiphy);
3509
6abe0563 3510 switch (frame_type) {
6abe0563
WH		 3511 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3512 if (reg)
3513 local->probe_req_reg++;
3514 else
3515 local->probe_req_reg--;
7be5086d 3516
35f5149e
FF		 3517 if (!local->open_count)
3518 break;
3519
6abe0563
WH		 3520 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3521 break;
3522 default:
3523 break;
3524 }
7be5086d
JB		 3525}
3526
15d96753
BR		 3527static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3528{
3529 struct ieee80211_local *local = wiphy_priv(wiphy);
3530
3531 if (local->started)
3532 return -EOPNOTSUPP;
3533
3534 return drv_set_antenna(local, tx_ant, rx_ant);
3535}
3536
3537static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3538{
3539 struct ieee80211_local *local = wiphy_priv(wiphy);
3540
3541 return drv_get_antenna(local, tx_ant, rx_ant);
3542}
3543
c68f4b89
JB		 3544static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3545 struct net_device *dev,
3546 struct cfg80211_gtk_rekey_data *data)
3547{
3548 struct ieee80211_local *local = wiphy_priv(wiphy);
3549 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3550
3551 if (!local->ops->set_rekey_data)
3552 return -EOPNOTSUPP;
3553
3554 drv_set_rekey_data(local, sdata, data);
3555
3556 return 0;
3557}
3558
06500736
JB		 3559static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3560 const u8 *peer, u64 *cookie)
3561{
3562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3563 struct ieee80211_local *local = sdata->local;
3564 struct ieee80211_qos_hdr *nullfunc;
3565 struct sk_buff *skb;
3566 int size = sizeof(*nullfunc);
3567 __le16 fc;
3568 bool qos;
3569 struct ieee80211_tx_info *info;
3570 struct sta_info *sta;
55de908a
JB		 3571 struct ieee80211_chanctx_conf *chanctx_conf;
3572 enum ieee80211_band band;
06500736
JB		 3573
3574 rcu_read_lock();
55de908a
JB		 3575 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3576 if (WARN_ON(!chanctx_conf)) {
3577 rcu_read_unlock();
3578 return -EINVAL;
3579 }
4bf88530 3580 band = chanctx_conf->def.chan->band;
03bb7f42 3581 sta = sta_info_get_bss(sdata, peer);
b4487c2d 3582 if (sta) {
a74a8c84 3583 qos = sta->sta.wme;
b4487c2d
JB		 3584 } else {
3585 rcu_read_unlock();
06500736 3586 return -ENOLINK;
b4487c2d 3587 }
06500736
JB		 3588
3589 if (qos) {
3590 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3591 IEEE80211_STYPE_QOS_NULLFUNC |
3592 IEEE80211_FCTL_FROMDS);
3593 } else {
3594 size -= 2;
3595 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3596 IEEE80211_STYPE_NULLFUNC |
3597 IEEE80211_FCTL_FROMDS);
3598 }
3599
3600 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3601 if (!skb) {
3602 rcu_read_unlock();
06500736 3603 return -ENOMEM;
55de908a 3604 }
06500736
JB		 3605
3606 skb->dev = dev;
3607
3608 skb_reserve(skb, local->hw.extra_tx_headroom);
3609
3610 nullfunc = (void *) skb_put(skb, size);
3611 nullfunc->frame_control = fc;
3612 nullfunc->duration_id = 0;
3613 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3614 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3615 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3616 nullfunc->seq_ctrl = 0;
3617
3618 info = IEEE80211_SKB_CB(skb);
3619
3620 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3621 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
73c4e195 3622 info->band = band;
06500736
JB		 3623
3624 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3625 skb->priority = 7;
3626 if (qos)
3627 nullfunc->qos_ctrl = cpu_to_le16(7);
3628
3629 local_bh_disable();
7c10770f 3630 ieee80211_xmit(sdata, sta, skb);
06500736 3631 local_bh_enable();
55de908a 3632 rcu_read_unlock();
06500736
JB		 3633
3634 *cookie = (unsigned long) skb;
3635 return 0;
3636}
3637
683b6d3b
JB		 3638static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3639 struct wireless_dev *wdev,
3640 struct cfg80211_chan_def *chandef)
5b7ccaf3 3641{
55de908a 3642 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3643 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3644 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3645 int ret = -ENODATA;
55de908a
JB		 3646
3647 rcu_read_lock();
feda3027
JB		 3648 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3649 if (chanctx_conf) {
c12bc488 3650 *chandef = sdata->vif.bss_conf.chandef;
feda3027
JB		 3651 ret = 0;
3652 } else if (local->open_count > 0 &&
3653 local->open_count == local->monitors &&
3654 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3655 if (local->use_chanctx)
3656 *chandef = local->monitor_chandef;
3657 else
675a0b04 3658 *chandef = local->_oper_chandef;
683b6d3b 3659 ret = 0;
55de908a
JB		 3660 }
3661 rcu_read_unlock();
5b7ccaf3 3662
683b6d3b 3663 return ret;
5b7ccaf3
JB		 3664}
3665
6d52563f
JB		 3666#ifdef CONFIG_PM
3667static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3668{
3669 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3670}
3671#endif
3672
32db6b54
KP		 3673static int ieee80211_set_qos_map(struct wiphy *wiphy,
3674 struct net_device *dev,
3675 struct cfg80211_qos_map *qos_map)
3676{
3677 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3678 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3679
3680 if (qos_map) {
3681 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3682 if (!new_qos_map)
3683 return -ENOMEM;
3684 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3685 } else {
3686 /* A NULL qos_map was passed to disable QoS mapping */
3687 new_qos_map = NULL;
3688 }
3689
194ff52d 3690 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
32db6b54
KP		 3691 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3692 if (old_qos_map)
3693 kfree_rcu(old_qos_map, rcu_head);
3694
3695 return 0;
3696}
3697
3b1700bd
JM		 3698static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3699 struct net_device *dev,
3700 struct cfg80211_chan_def *chandef)
3701{
3702 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3703 int ret;
3704 u32 changed = 0;
3705
3706 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3707 if (ret == 0)
3708 ieee80211_bss_info_change_notify(sdata, changed);
3709
3710 return ret;
3711}
3712
02219b3a
JB		 3713static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3714 u8 tsid, const u8 *peer, u8 up,
3715 u16 admitted_time)
3716{
3717 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3718 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3719 int ac = ieee802_1d_to_ac[up];
3720
3721 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3722 return -EOPNOTSUPP;
3723
3724 if (!(sdata->wmm_acm & BIT(up)))
3725 return -EINVAL;
3726
3727 if (ifmgd->tx_tspec[ac].admitted_time)
3728 return -EBUSY;
3729
3730 if (admitted_time) {
3731 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3732 ifmgd->tx_tspec[ac].tsid = tsid;
3733 ifmgd->tx_tspec[ac].up = up;
3734 }
3735
3736 return 0;
3737}
3738
3739static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3740 u8 tsid, const u8 *peer)
3741{
3742 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3743 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3744 struct ieee80211_local *local = wiphy_priv(wiphy);
3745 int ac;
3746
3747 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3748 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3749
3750 /* skip unused entries */
3751 if (!tx_tspec->admitted_time)
3752 continue;
3753
3754 if (tx_tspec->tsid != tsid)
3755 continue;
3756
3757 /* due to this new packets will be reassigned to non-ACM ACs */
3758 tx_tspec->up = -1;
3759
3760 /* Make sure that all packets have been sent to avoid to
3761 * restore the QoS params on packets that are still on the
3762 * queues.
3763 */
3764 synchronize_net();
3b24f4c6 3765 ieee80211_flush_queues(local, sdata, false);
02219b3a
JB		 3766
3767 /* restore the normal QoS parameters
3768 * (unconditionally to avoid races)
3769 */
3770 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3771 tx_tspec->downgraded = false;
3772 ieee80211_sta_handle_tspec_ac_params(sdata);
3773
3774 /* finally clear all the data */
3775 memset(tx_tspec, 0, sizeof(*tx_tspec));
3776
3777 return 0;
3778 }
3779
3780 return -ENOENT;
3781}
3782
8a47cea7 3783const struct cfg80211_ops mac80211_config_ops = {
f0706e82
JB		 3784 .add_virtual_intf = ieee80211_add_iface,
3785 .del_virtual_intf = ieee80211_del_iface,
42613db7 3786 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3787 .start_p2p_device = ieee80211_start_p2p_device,
3788 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3789 .add_key = ieee80211_add_key,
3790 .del_key = ieee80211_del_key,
62da92fb 3791 .get_key = ieee80211_get_key,
e8cbb4cb 3792 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3793 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3794 .start_ap = ieee80211_start_ap,
3795 .change_beacon = ieee80211_change_beacon,
3796 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3797 .add_station = ieee80211_add_station,
3798 .del_station = ieee80211_del_station,
3799 .change_station = ieee80211_change_station,
7bbdd2d9 3800 .get_station = ieee80211_get_station,
c5dd9c2b 3801 .dump_station = ieee80211_dump_station,
1289723e 3802 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3803#ifdef CONFIG_MAC80211_MESH
3804 .add_mpath = ieee80211_add_mpath,
3805 .del_mpath = ieee80211_del_mpath,
3806 .change_mpath = ieee80211_change_mpath,
3807 .get_mpath = ieee80211_get_mpath,
3808 .dump_mpath = ieee80211_dump_mpath,
a2db2ed3
HR		 3809 .get_mpp = ieee80211_get_mpp,
3810 .dump_mpp = ieee80211_dump_mpp,
24bdd9f4
JC		 3811 .update_mesh_config = ieee80211_update_mesh_config,
3812 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3813 .join_mesh = ieee80211_join_mesh,
3814 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3815#endif
239281f8
RL		 3816 .join_ocb = ieee80211_join_ocb,
3817 .leave_ocb = ieee80211_leave_ocb,
9f1ba906 3818 .change_bss = ieee80211_change_bss,
31888487 3819 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3820 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3821 .suspend = ieee80211_suspend,
3822 .resume = ieee80211_resume,
2a519311 3823 .scan = ieee80211_scan,
79f460ca
LC		 3824 .sched_scan_start = ieee80211_sched_scan_start,
3825 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3826 .auth = ieee80211_auth,
3827 .assoc = ieee80211_assoc,
3828 .deauth = ieee80211_deauth,
3829 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3830 .join_ibss = ieee80211_join_ibss,
3831 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3832 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3833 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3834 .set_tx_power = ieee80211_set_tx_power,
3835 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3836 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3837 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3838 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3839 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3840 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3841 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3842 .remain_on_channel = ieee80211_remain_on_channel,
3843 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3844 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3845 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3846 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3847 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3848 .set_antenna = ieee80211_set_antenna,
3849 .get_antenna = ieee80211_get_antenna,
c68f4b89 3850 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3851 .tdls_oper = ieee80211_tdls_oper,
3852 .tdls_mgmt = ieee80211_tdls_mgmt,
a7a6bdd0
AN		 3853 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3854 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
06500736 3855 .probe_client = ieee80211_probe_client,
b53be792 3856 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3857#ifdef CONFIG_PM
3858 .set_wakeup = ieee80211_set_wakeup,
3859#endif
5b7ccaf3 3860 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3861 .start_radar_detection = ieee80211_start_radar_detection,
73da7d5b 3862 .channel_switch = ieee80211_channel_switch,
32db6b54 3863 .set_qos_map = ieee80211_set_qos_map,
3b1700bd 3864 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
02219b3a
JB		 3865 .add_tx_ts = ieee80211_add_tx_ts,
3866 .del_tx_ts = ieee80211_del_tx_ts,
f0706e82 3867};
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