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mac80211_hwsim: handle VHT rates in rx_status
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
76 /*
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
83 */
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 return -EBUSY;
87
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
91
92 ieee80211_configure_filter(local);
93 } else {
94 /*
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
98 */
99 sdata->u.mntr_flags = *flags;
100 }
101 }
f7917af9 102
42613db7
JB		 103 return 0;
104}
105
f142c6b9
JB		 106static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
108{
109 return ieee80211_do_open(wdev, true);
110}
111
112static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
116}
117
b53be792
SW		 118static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
120 u16 noack_map)
121{
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
123
124 sdata->noack_map = noack_map;
125 return 0;
126}
127
e8cbb4cb 128static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 129 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 130 struct key_params *params)
131{
26a58456 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 133 struct sta_info *sta = NULL;
db4d1169 134 struct ieee80211_key *key;
3b96766f 135 int err;
e8cbb4cb 136
26a58456 137 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 138 return -ENETDOWN;
139
97359d12 140 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 143 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
146 return -EINVAL;
3cfcf6ac 147 break;
e8cbb4cb 148 default:
97359d12 149 break;
e8cbb4cb
JB		 150 }
151
97359d12
JB		 152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 154 if (IS_ERR(key))
155 return PTR_ERR(key);
db4d1169 156
e31b8213
JB		 157 if (pairwise)
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
159
ad0e2b5a 160 mutex_lock(&sdata->local->sta_mtx);
3b96766f 161
e8cbb4cb 162 if (mac_addr) {
ff973af7
TP		 163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
165 else
166 sta = sta_info_get_bss(sdata, mac_addr);
1626e0fa
JB		 167 /*
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
173 *
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
176 */
177 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
79cf2dfa 178 ieee80211_key_free_unused(key);
3b96766f
JB		 179 err = -ENOENT;
180 goto out_unlock;
db4d1169 181 }
e8cbb4cb
JB		 182 }
183
e548c49e
JB		 184 switch (sdata->vif.type) {
185 case NL80211_IFTYPE_STATION:
186 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
187 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
188 break;
189 case NL80211_IFTYPE_AP:
190 case NL80211_IFTYPE_AP_VLAN:
191 /* Keys without a station are used for TX only */
192 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
193 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
194 break;
195 case NL80211_IFTYPE_ADHOC:
196 /* no MFP (yet) */
197 break;
198 case NL80211_IFTYPE_MESH_POINT:
199#ifdef CONFIG_MAC80211_MESH
200 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
201 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
202 break;
203#endif
204 case NL80211_IFTYPE_WDS:
205 case NL80211_IFTYPE_MONITOR:
206 case NL80211_IFTYPE_P2P_DEVICE:
207 case NL80211_IFTYPE_UNSPECIFIED:
208 case NUM_NL80211_IFTYPES:
209 case NL80211_IFTYPE_P2P_CLIENT:
210 case NL80211_IFTYPE_P2P_GO:
211 /* shouldn't happen */
212 WARN_ON_ONCE(1);
213 break;
214 }
215
3ffc2a90 216 err = ieee80211_key_link(key, sdata, sta);
db4d1169 217
3b96766f 218 out_unlock:
ad0e2b5a 219 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 220
221 return err;
e8cbb4cb
JB		 222}
223
224static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 225 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 226{
5c0c3641
JB		 227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
228 struct ieee80211_local *local = sdata->local;
e8cbb4cb 229 struct sta_info *sta;
5c0c3641 230 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 231 int ret;
232
5c0c3641
JB		 233 mutex_lock(&local->sta_mtx);
234 mutex_lock(&local->key_mtx);
3b96766f 235
e8cbb4cb 236 if (mac_addr) {
3b96766f
JB		 237 ret = -ENOENT;
238
0e5ded5a 239 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 240 if (!sta)
3b96766f 241 goto out_unlock;
e8cbb4cb 242
5c0c3641 243 if (pairwise)
40b275b6 244 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 245 else
40b275b6 246 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 247 } else
40b275b6 248 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 249
5c0c3641 250 if (!key) {
3b96766f
JB		 251 ret = -ENOENT;
252 goto out_unlock;
253 }
e8cbb4cb 254
3b8d9c29 255 ieee80211_key_free(key, true);
e8cbb4cb 256
3b96766f
JB		 257 ret = 0;
258 out_unlock:
5c0c3641
JB		 259 mutex_unlock(&local->key_mtx);
260 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 261
262 return ret;
e8cbb4cb
JB		 263}
264
62da92fb 265static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 266 u8 key_idx, bool pairwise, const u8 *mac_addr,
267 void *cookie,
62da92fb
JB		 268 void (*callback)(void *cookie,
269 struct key_params *params))
270{
14db74bc 271 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 272 struct sta_info *sta = NULL;
273 u8 seq[6] = {0};
274 struct key_params params;
e31b8213 275 struct ieee80211_key *key = NULL;
aba83a0b 276 u64 pn64;
62da92fb
JB		 277 u32 iv32;
278 u16 iv16;
279 int err = -ENOENT;
280
14db74bc
JB		 281 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
282
3b96766f
JB		 283 rcu_read_lock();
284
62da92fb 285 if (mac_addr) {
0e5ded5a 286 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 287 if (!sta)
288 goto out;
289
e31b8213 290 if (pairwise)
a3836e02 291 key = rcu_dereference(sta->ptk);
e31b8213 292 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 293 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 294 } else
a3836e02 295 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 296
297 if (!key)
298 goto out;
299
300 memset(&params, 0, sizeof(params));
301
97359d12 302 params.cipher = key->conf.cipher;
62da92fb 303
97359d12
JB		 304 switch (key->conf.cipher) {
305 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 306 iv32 = key->u.tkip.tx.iv32;
307 iv16 = key->u.tkip.tx.iv16;
62da92fb 308
24487981
JB		 309 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
310 drv_get_tkip_seq(sdata->local,
311 key->conf.hw_key_idx,
312 &iv32, &iv16);
62da92fb
JB		 313
314 seq[0] = iv16 & 0xff;
315 seq[1] = (iv16 >> 8) & 0xff;
316 seq[2] = iv32 & 0xff;
317 seq[3] = (iv32 >> 8) & 0xff;
318 seq[4] = (iv32 >> 16) & 0xff;
319 seq[5] = (iv32 >> 24) & 0xff;
320 params.seq = seq;
321 params.seq_len = 6;
322 break;
97359d12 323 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 324 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
325 seq[0] = pn64;
326 seq[1] = pn64 >> 8;
327 seq[2] = pn64 >> 16;
328 seq[3] = pn64 >> 24;
329 seq[4] = pn64 >> 32;
330 seq[5] = pn64 >> 40;
62da92fb
JB		 331 params.seq = seq;
332 params.seq_len = 6;
333 break;
97359d12 334 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 335 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
336 seq[0] = pn64;
337 seq[1] = pn64 >> 8;
338 seq[2] = pn64 >> 16;
339 seq[3] = pn64 >> 24;
340 seq[4] = pn64 >> 32;
341 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 342 params.seq = seq;
343 params.seq_len = 6;
344 break;
62da92fb
JB		 345 }
346
347 params.key = key->conf.key;
348 params.key_len = key->conf.keylen;
349
350 callback(cookie, &params);
351 err = 0;
352
353 out:
3b96766f 354 rcu_read_unlock();
62da92fb
JB		 355 return err;
356}
357
e8cbb4cb
JB		 358static int ieee80211_config_default_key(struct wiphy *wiphy,
359 struct net_device *dev,
dbd2fd65
JB		 360 u8 key_idx, bool uni,
361 bool multi)
e8cbb4cb 362{
ad0e2b5a 363 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 364
f7e0104c 365 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 366
367 return 0;
368}
369
3cfcf6ac
JM		 370static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
371 struct net_device *dev,
372 u8 key_idx)
373{
66c52421 374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 375
3cfcf6ac
JM		 376 ieee80211_set_default_mgmt_key(sdata, key_idx);
377
3cfcf6ac
JM		 378 return 0;
379}
380
6b62bf32
TP		 381void sta_set_rate_info_tx(struct sta_info *sta,
382 const struct ieee80211_tx_rate *rate,
383 struct rate_info *rinfo)
384{
385 rinfo->flags = 0;
8bc83c24 386 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 387 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 388 rinfo->mcs = rate->idx;
389 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
390 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
391 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
392 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
393 } else {
394 struct ieee80211_supported_band *sband;
395 sband = sta->local->hw.wiphy->bands[
396 ieee80211_get_sdata_band(sta->sdata)];
397 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
398 }
6b62bf32
TP		 399 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
400 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 401 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
402 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
403 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
404 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 405 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
406 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 407}
408
003e676a
S		 409void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
410{
411 rinfo->flags = 0;
412
413 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
414 rinfo->flags |= RATE_INFO_FLAGS_MCS;
415 rinfo->mcs = sta->last_rx_rate_idx;
416 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
417 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
418 rinfo->nss = sta->last_rx_rate_vht_nss;
419 rinfo->mcs = sta->last_rx_rate_idx;
420 } else {
421 struct ieee80211_supported_band *sband;
422
423 sband = sta->local->hw.wiphy->bands[
424 ieee80211_get_sdata_band(sta->sdata)];
425 rinfo->legacy =
426 sband->bitrates[sta->last_rx_rate_idx].bitrate;
427 }
428
429 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
430 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
431 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
432 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
433 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
434 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
435 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
436 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
437 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
438 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
439}
440
c5dd9c2b
LCC		 441static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
442{
d0709a65 443 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 444 struct ieee80211_local *local = sdata->local;
ebe27c91 445 struct timespec uptime;
560d2682
JB		 446 u64 packets = 0;
447 int ac;
c5dd9c2b 448
f5ea9120
JB		 449 sinfo->generation = sdata->local->sta_generation;
450
c5dd9c2b 451 sinfo->filled = STATION_INFO_INACTIVE_TIME |
560d2682
JB		 452 STATION_INFO_RX_BYTES64 |
453 STATION_INFO_TX_BYTES64 |
98c8a60a
JM		 454 STATION_INFO_RX_PACKETS |
455 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 456 STATION_INFO_TX_RETRIES |
457 STATION_INFO_TX_FAILED |
5a5c731a 458 STATION_INFO_TX_BITRATE |
3af6334c 459 STATION_INFO_RX_BITRATE |
f4263c98 460 STATION_INFO_RX_DROP_MISC |
ebe27c91 461 STATION_INFO_BSS_PARAM |
7a724767 462 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 463 STATION_INFO_STA_FLAGS |
464 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 465
466 do_posix_clock_monotonic_gettime(&uptime);
467 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 468
469 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
560d2682
JB		 470 sinfo->tx_bytes = 0;
471 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
472 sinfo->tx_bytes += sta->tx_bytes[ac];
473 packets += sta->tx_packets[ac];
474 }
475 sinfo->tx_packets = packets;
c5dd9c2b 476 sinfo->rx_bytes = sta->rx_bytes;
98c8a60a 477 sinfo->rx_packets = sta->rx_packets;
b206b4ef
BR		 478 sinfo->tx_retries = sta->tx_retry_count;
479 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 480 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 481 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 482
19deffbe
JL		 483 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
484 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 485 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 486 if (!local->ops->get_rssi ||
487 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
488 sinfo->signal = (s8)sta->last_signal;
541a45a1 489 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 490 }
491
6b62bf32 492 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 493 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 494
902acc78 495 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 496#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 497 sinfo->filled |= STATION_INFO_LLID |
498 STATION_INFO_PLID |
3f52b7e3
MP		 499 STATION_INFO_PLINK_STATE |
500 STATION_INFO_LOCAL_PM |
501 STATION_INFO_PEER_PM |
502 STATION_INFO_NONPEER_PM;
c5dd9c2b
LCC		 503
504 sinfo->llid = le16_to_cpu(sta->llid);
505 sinfo->plid = le16_to_cpu(sta->plid);
506 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 507 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
508 sinfo->filled |= STATION_INFO_T_OFFSET;
509 sinfo->t_offset = sta->t_offset;
510 }
3f52b7e3
MP		 511 sinfo->local_pm = sta->local_pm;
512 sinfo->peer_pm = sta->peer_pm;
513 sinfo->nonpeer_pm = sta->nonpeer_pm;
c5dd9c2b 514#endif
902acc78 515 }
f4263c98
PS		 516
517 sinfo->bss_param.flags = 0;
518 if (sdata->vif.bss_conf.use_cts_prot)
519 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
520 if (sdata->vif.bss_conf.use_short_preamble)
521 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
522 if (sdata->vif.bss_conf.use_short_slot)
523 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
524 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
525 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 526
527 sinfo->sta_flags.set = 0;
528 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
529 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
530 BIT(NL80211_STA_FLAG_WME) |
531 BIT(NL80211_STA_FLAG_MFP) |
e4121562 532 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 533 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 534 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 535 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
536 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
537 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
538 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
539 if (test_sta_flag(sta, WLAN_STA_WME))
540 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
541 if (test_sta_flag(sta, WLAN_STA_MFP))
542 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
543 if (test_sta_flag(sta, WLAN_STA_AUTH))
544 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 545 if (test_sta_flag(sta, WLAN_STA_ASSOC))
546 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 547 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
548 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 549}
550
b1ab7925
BG		 551static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
552 "rx_packets", "rx_bytes", "wep_weak_iv_count",
553 "rx_duplicates", "rx_fragments", "rx_dropped",
554 "tx_packets", "tx_bytes", "tx_fragments",
555 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 556 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
557 "channel", "noise", "ch_time", "ch_time_busy",
558 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 559};
560#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
561
562static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
563 struct net_device *dev,
564 int sset)
565{
e352114f
BG		 566 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567 int rv = 0;
568
b1ab7925 569 if (sset == ETH_SS_STATS)
e352114f
BG		 570 rv += STA_STATS_LEN;
571
572 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 573
e352114f
BG		 574 if (rv == 0)
575 return -EOPNOTSUPP;
576 return rv;
b1ab7925
BG		 577}
578
579static void ieee80211_get_et_stats(struct wiphy *wiphy,
580 struct net_device *dev,
581 struct ethtool_stats *stats,
582 u64 *data)
583{
584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 585 struct ieee80211_chanctx_conf *chanctx_conf;
586 struct ieee80211_channel *channel;
b1ab7925
BG		 587 struct sta_info *sta;
588 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 589 struct station_info sinfo;
590 struct survey_info survey;
591 int i, q;
592#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 593
594 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
595
596#define ADD_STA_STATS(sta) \
597 do { \
598 data[i++] += sta->rx_packets; \
599 data[i++] += sta->rx_bytes; \
600 data[i++] += sta->wep_weak_iv_count; \
601 data[i++] += sta->num_duplicates; \
602 data[i++] += sta->rx_fragments; \
603 data[i++] += sta->rx_dropped; \
604 \
560d2682
JB		 605 data[i++] += sinfo.tx_packets; \
606 data[i++] += sinfo.tx_bytes; \
b1ab7925
BG		 607 data[i++] += sta->tx_fragments; \
608 data[i++] += sta->tx_filtered_count; \
609 data[i++] += sta->tx_retry_failed; \
610 data[i++] += sta->tx_retry_count; \
611 data[i++] += sta->beacon_loss_count; \
612 } while (0)
613
614 /* For Managed stations, find the single station based on BSSID
615 * and use that. For interface types, iterate through all available
616 * stations and add stats for any station that is assigned to this
617 * network device.
618 */
619
66572cfc 620 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 621
622 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
623 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 624
625 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
626 goto do_survey;
627
560d2682
JB		 628 sinfo.filled = 0;
629 sta_set_sinfo(sta, &sinfo);
630
3073a7c2
BG		 631 i = 0;
632 ADD_STA_STATS(sta);
633
634 data[i++] = sta->sta_state;
635
3073a7c2 636
5204267d 637 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 638 data[i] = 100000 *
639 cfg80211_calculate_bitrate(&sinfo.txrate);
640 i++;
5204267d 641 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 642 data[i] = 100000 *
643 cfg80211_calculate_bitrate(&sinfo.rxrate);
644 i++;
645
5204267d 646 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 647 data[i] = (u8)sinfo.signal_avg;
648 i++;
b1ab7925 649 } else {
66572cfc 650 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 651 /* Make sure this station belongs to the proper dev */
652 if (sta->sdata->dev != dev)
653 continue;
654
655 i = 0;
656 ADD_STA_STATS(sta);
b1ab7925
BG		 657 }
658 }
659
3073a7c2
BG		 660do_survey:
661 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
662 /* Get survey stats for current channel */
55de908a 663 survey.filled = 0;
3073a7c2 664
55de908a
JB		 665 rcu_read_lock();
666 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
667 if (chanctx_conf)
4bf88530 668 channel = chanctx_conf->def.chan;
55de908a
JB		 669 else
670 channel = NULL;
671 rcu_read_unlock();
672
673 if (channel) {
674 q = 0;
675 do {
676 survey.filled = 0;
677 if (drv_get_survey(local, q, &survey) != 0) {
678 survey.filled = 0;
679 break;
680 }
681 q++;
682 } while (channel != survey.channel);
3073a7c2
BG		 683 }
684
685 if (survey.filled)
686 data[i++] = survey.channel->center_freq;
687 else
688 data[i++] = 0;
689 if (survey.filled & SURVEY_INFO_NOISE_DBM)
690 data[i++] = (u8)survey.noise;
691 else
692 data[i++] = -1LL;
693 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
694 data[i++] = survey.channel_time;
695 else
696 data[i++] = -1LL;
697 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
698 data[i++] = survey.channel_time_busy;
699 else
700 data[i++] = -1LL;
701 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
702 data[i++] = survey.channel_time_ext_busy;
703 else
704 data[i++] = -1LL;
705 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
706 data[i++] = survey.channel_time_rx;
707 else
708 data[i++] = -1LL;
709 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
710 data[i++] = survey.channel_time_tx;
711 else
712 data[i++] = -1LL;
713
66572cfc 714 mutex_unlock(&local->sta_mtx);
e352114f 715
3073a7c2
BG		 716 if (WARN_ON(i != STA_STATS_LEN))
717 return;
718
e352114f 719 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 720}
721
722static void ieee80211_get_et_strings(struct wiphy *wiphy,
723 struct net_device *dev,
724 u32 sset, u8 *data)
725{
e352114f
BG		 726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
727 int sz_sta_stats = 0;
728
b1ab7925 729 if (sset == ETH_SS_STATS) {
e352114f 730 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 731 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
732 }
e352114f 733 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 734}
c5dd9c2b
LCC		 735
736static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
737 int idx, u8 *mac, struct station_info *sinfo)
738{
3b53fde8 739 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 740 struct ieee80211_local *local = sdata->local;
c5dd9c2b 741 struct sta_info *sta;
d0709a65
JB		 742 int ret = -ENOENT;
743
66572cfc 744 mutex_lock(&local->sta_mtx);
c5dd9c2b 745
3b53fde8 746 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 747 if (sta) {
748 ret = 0;
17741cdc 749 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 750 sta_set_sinfo(sta, sinfo);
751 }
c5dd9c2b 752
66572cfc 753 mutex_unlock(&local->sta_mtx);
c5dd9c2b 754
d0709a65 755 return ret;
c5dd9c2b
LCC		 756}
757
1289723e
HS		 758static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
759 int idx, struct survey_info *survey)
760{
761 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
762
1289723e
HS		 763 return drv_get_survey(local, idx, survey);
764}
765
7bbdd2d9 766static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 767 u8 *mac, struct station_info *sinfo)
7bbdd2d9 768{
abe60632 769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 770 struct ieee80211_local *local = sdata->local;
7bbdd2d9 771 struct sta_info *sta;
d0709a65 772 int ret = -ENOENT;
7bbdd2d9 773
66572cfc 774 mutex_lock(&local->sta_mtx);
7bbdd2d9 775
0e5ded5a 776 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 777 if (sta) {
778 ret = 0;
779 sta_set_sinfo(sta, sinfo);
780 }
781
66572cfc 782 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 783
784 return ret;
7bbdd2d9
JB		 785}
786
55de908a 787static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 788 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 789{
790 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 791 struct ieee80211_sub_if_data *sdata;
792 int ret = 0;
3d9e6e12 793
4bf88530 794 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 795 return 0;
3d9e6e12 796
55de908a
JB		 797 mutex_lock(&local->iflist_mtx);
798 if (local->use_chanctx) {
799 sdata = rcu_dereference_protected(
800 local->monitor_sdata,
801 lockdep_is_held(&local->iflist_mtx));
802 if (sdata) {
803 ieee80211_vif_release_channel(sdata);
4bf88530 804 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 805 IEEE80211_CHANCTX_EXCLUSIVE);
806 }
807 } else if (local->open_count == local->monitors) {
675a0b04 808 local->_oper_chandef = *chandef;
55de908a
JB		 809 ieee80211_hw_config(local, 0);
810 }
3d9e6e12 811
4bf88530
JB		 812 if (ret == 0)
813 local->monitor_chandef = *chandef;
55de908a 814 mutex_unlock(&local->iflist_mtx);
3d9e6e12 815
55de908a 816 return ret;
e8c9bd5b
JB		 817}
818
02945821 819static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 820 const u8 *resp, size_t resp_len)
02945821 821{
aa7a0080 822 struct probe_resp *new, *old;
02945821
AN		 823
824 if (!resp || !resp_len)
aba4e6ff 825 return 1;
02945821 826
f724828b 827 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 828
aa7a0080 829 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 830 if (!new)
831 return -ENOMEM;
832
aa7a0080
ES		 833 new->len = resp_len;
834 memcpy(new->data, resp, resp_len);
02945821
AN		 835
836 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 837 if (old)
838 kfree_rcu(old, rcu_head);
02945821
AN		 839
840 return 0;
841}
842
8860020e
JB		 843static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
844 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 845{
846 struct beacon_data *new, *old;
847 int new_head_len, new_tail_len;
8860020e
JB		 848 int size, err;
849 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 850
40b275b6 851 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 852
5dfdaf58
JB		 853 /* Need to have a beacon head if we don't have one yet */
854 if (!params->head && !old)
8860020e 855 return -EINVAL;
5dfdaf58
JB		 856
857 /* new or old head? */
858 if (params->head)
859 new_head_len = params->head_len;
860 else
861 new_head_len = old->head_len;
862
863 /* new or old tail? */
864 if (params->tail || !old)
865 /* params->tail_len will be zero for !params->tail */
866 new_tail_len = params->tail_len;
867 else
868 new_tail_len = old->tail_len;
869
870 size = sizeof(*new) + new_head_len + new_tail_len;
871
872 new = kzalloc(size, GFP_KERNEL);
873 if (!new)
874 return -ENOMEM;
875
876 /* start filling the new info now */
877
5dfdaf58
JB		 878 /*
879 * pointers go into the block we allocated,
880 * memory is | beacon_data | head | tail |
881 */
882 new->head = ((u8 *) new) + sizeof(*new);
883 new->tail = new->head + new_head_len;
884 new->head_len = new_head_len;
885 new->tail_len = new_tail_len;
886
887 /* copy in head */
888 if (params->head)
889 memcpy(new->head, params->head, new_head_len);
890 else
891 memcpy(new->head, old->head, new_head_len);
892
893 /* copy in optional tail */
894 if (params->tail)
895 memcpy(new->tail, params->tail, new_tail_len);
896 else
897 if (old)
898 memcpy(new->tail, old->tail, new_tail_len);
899
02945821
AN		 900 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
901 params->probe_resp_len);
8860020e
JB		 902 if (err < 0)
903 return err;
904 if (err == 0)
02945821
AN		 905 changed |= BSS_CHANGED_AP_PROBE_RESP;
906
8860020e
JB		 907 rcu_assign_pointer(sdata->u.ap.beacon, new);
908
909 if (old)
910 kfree_rcu(old, rcu_head);
7827493b 911
8860020e 912 return changed;
5dfdaf58
JB		 913}
914
8860020e
JB		 915static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
916 struct cfg80211_ap_settings *params)
5dfdaf58 917{
8860020e 918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 919 struct beacon_data *old;
665c93a9 920 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 921 u32 changed = BSS_CHANGED_BEACON_INT |
922 BSS_CHANGED_BEACON_ENABLED |
923 BSS_CHANGED_BEACON |
339afbf4
JB		 924 BSS_CHANGED_SSID |
925 BSS_CHANGED_P2P_PS;
8860020e 926 int err;
14db74bc 927
40b275b6 928 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 929 if (old)
930 return -EALREADY;
931
04ecd257
JB		 932 /* TODO: make hostapd tell us what it wants */
933 sdata->smps_mode = IEEE80211_SMPS_OFF;
934 sdata->needed_rx_chains = sdata->local->rx_chains;
164eb02d 935 sdata->radar_required = params->radar_required;
04ecd257 936
4bf88530 937 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 938 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 939 if (err)
940 return err;
1f4ac5a6 941 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 942
665c93a9
JB		 943 /*
944 * Apply control port protocol, this allows us to
945 * not encrypt dynamic WEP control frames.
946 */
947 sdata->control_port_protocol = params->crypto.control_port_ethertype;
948 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
949 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
950 vlan->control_port_protocol =
951 params->crypto.control_port_ethertype;
952 vlan->control_port_no_encrypt =
953 params->crypto.control_port_no_encrypt;
954 }
955
8860020e
JB		 956 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
957 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 958 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 959
960 sdata->vif.bss_conf.ssid_len = params->ssid_len;
961 if (params->ssid_len)
962 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
963 params->ssid_len);
964 sdata->vif.bss_conf.hidden_ssid =
965 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
966
67baf663
JD		 967 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
968 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
969 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
970 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
971 if (params->p2p_opp_ps)
972 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
973 IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4 974
8860020e
JB		 975 err = ieee80211_assign_beacon(sdata, &params->beacon);
976 if (err < 0)
977 return err;
978 changed |= err;
979
1041638f
JB		 980 err = drv_start_ap(sdata->local, sdata);
981 if (err) {
982 old = rtnl_dereference(sdata->u.ap.beacon);
983 if (old)
984 kfree_rcu(old, rcu_head);
985 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
986 return err;
987 }
988
8860020e
JB		 989 ieee80211_bss_info_change_notify(sdata, changed);
990
3edaf3e6
JB		 991 netif_carrier_on(dev);
992 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
993 netif_carrier_on(vlan->dev);
994
665c93a9 995 return 0;
5dfdaf58
JB		 996}
997
8860020e
JB		 998static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
999 struct cfg80211_beacon_data *params)
5dfdaf58 1000{
14db74bc 1001 struct ieee80211_sub_if_data *sdata;
5dfdaf58 1002 struct beacon_data *old;
8860020e 1003 int err;
5dfdaf58 1004
14db74bc
JB		 1005 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1006
40b275b6 1007 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 1008 if (!old)
1009 return -ENOENT;
1010
8860020e
JB		 1011 err = ieee80211_assign_beacon(sdata, params);
1012 if (err < 0)
1013 return err;
1014 ieee80211_bss_info_change_notify(sdata, err);
1015 return 0;
5dfdaf58
JB		 1016}
1017
8860020e 1018static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1019{
7b20b8e8
JB		 1020 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021 struct ieee80211_sub_if_data *vlan;
1022 struct ieee80211_local *local = sdata->local;
1023 struct beacon_data *old_beacon;
1024 struct probe_resp *old_probe_resp;
14db74bc 1025
7b20b8e8
JB		 1026 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1027 if (!old_beacon)
5dfdaf58 1028 return -ENOENT;
7b20b8e8 1029 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1030
7b20b8e8 1031 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1032 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1033 netif_carrier_off(vlan->dev);
1034 netif_carrier_off(dev);
1035
7b20b8e8 1036 /* remove beacon and probe response */
a9b3cd7f 1037 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1038 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1039 kfree_rcu(old_beacon, rcu_head);
1040 if (old_probe_resp)
1041 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1042
2d4072a5 1043 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1044 sta_info_flush_defer(vlan);
1045 sta_info_flush_defer(sdata);
1046 rcu_barrier();
7b4396bd 1047 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1048 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1049 ieee80211_free_keys(vlan);
1050 }
75de9113 1051 sta_info_flush_cleanup(sdata);
7b4396bd 1052 ieee80211_free_keys(sdata);
75de9113 1053
d6a83228 1054 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1055 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1056 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1057 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1058
1041638f
JB		 1059 drv_stop_ap(sdata->local, sdata);
1060
7b20b8e8
JB		 1061 /* free all potentially still buffered bcast frames */
1062 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1063 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1064
1f4ac5a6 1065 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1066 ieee80211_vif_release_channel(sdata);
1067
2d0ddec5 1068 return 0;
5dfdaf58
JB		 1069}
1070
4fd6931e
JB		 1071/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1072struct iapp_layer2_update {
1073 u8 da[ETH_ALEN]; /* broadcast */
1074 u8 sa[ETH_ALEN]; /* STA addr */
1075 __be16 len; /* 6 */
1076 u8 dsap; /* 0 */
1077 u8 ssap; /* 0 */
1078 u8 control;
1079 u8 xid_info[3];
bc10502d 1080} __packed;
4fd6931e
JB		 1081
1082static void ieee80211_send_layer2_update(struct sta_info *sta)
1083{
1084 struct iapp_layer2_update *msg;
1085 struct sk_buff *skb;
1086
1087 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1088 * bridge devices */
1089
1090 skb = dev_alloc_skb(sizeof(*msg));
1091 if (!skb)
1092 return;
1093 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1094
1095 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1096 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1097
e83e6541 1098 eth_broadcast_addr(msg->da);
17741cdc 1099 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1100 msg->len = htons(6);
1101 msg->dsap = 0;
1102 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1103 msg->control = 0xaf; /* XID response lsb.1111F101.
1104 * F=0 (no poll command; unsolicited frame) */
1105 msg->xid_info[0] = 0x81; /* XID format identifier */
1106 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1107 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1108
d0709a65
JB		 1109 skb->dev = sta->sdata->dev;
1110 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1111 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1112 netif_rx_ni(skb);
4fd6931e
JB		 1113}
1114
d582cffb
JB		 1115static int sta_apply_auth_flags(struct ieee80211_local *local,
1116 struct sta_info *sta,
1117 u32 mask, u32 set)
1118{
1119 int ret;
1120
1121 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1122 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1123 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1125 if (ret)
1126 return ret;
1127 }
1128
1129 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1130 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1131 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1132 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1133 if (ret)
1134 return ret;
1135 }
1136
1137 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1138 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1139 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1140 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1141 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1142 else
1143 ret = 0;
1144 if (ret)
1145 return ret;
1146 }
1147
1148 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1149 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1150 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1151 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1152 if (ret)
1153 return ret;
1154 }
1155
1156 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1157 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1158 test_sta_flag(sta, WLAN_STA_AUTH)) {
1159 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1160 if (ret)
1161 return ret;
1162 }
1163
1164 return 0;
1165}
1166
d9a7ddb0
JB		 1167static int sta_apply_parameters(struct ieee80211_local *local,
1168 struct sta_info *sta,
1169 struct station_parameters *params)
4fd6931e 1170{
d9a7ddb0 1171 int ret = 0;
4fd6931e
JB		 1172 u32 rates;
1173 int i, j;
8318d78a 1174 struct ieee80211_supported_band *sband;
d0709a65 1175 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1176 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1177 u32 mask, set;
4fd6931e 1178
55de908a 1179 sband = local->hw.wiphy->bands[band];
ae5eb026 1180
eccb8e8f
JB		 1181 mask = params->sta_flags_mask;
1182 set = params->sta_flags_set;
73651ee6 1183
d582cffb
JB		 1184 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1185 /*
1186 * In mesh mode, ASSOCIATED isn't part of the nl80211
1187 * API but must follow AUTHENTICATED for driver state.
1188 */
1189 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1190 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1191 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1192 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1193 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1194 /*
1195 * TDLS -- everything follows authorized, but
1196 * only becoming authorized is possible, not
1197 * going back
1198 */
1199 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1200 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1201 BIT(NL80211_STA_FLAG_ASSOCIATED);
1202 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1203 BIT(NL80211_STA_FLAG_ASSOCIATED);
1204 }
eccb8e8f 1205 }
4fd6931e 1206
d582cffb
JB		 1207 ret = sta_apply_auth_flags(local, sta, mask, set);
1208 if (ret)
1209 return ret;
d9a7ddb0 1210
eccb8e8f 1211 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1212 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1213 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1214 else
1215 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1216 }
4fd6931e 1217
eccb8e8f 1218 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1219 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1220 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1221 sta->sta.wme = true;
c2c98fde
JB		 1222 } else {
1223 clear_sta_flag(sta, WLAN_STA_WME);
1224 sta->sta.wme = false;
39df600a 1225 }
eccb8e8f 1226 }
5394af4d 1227
eccb8e8f 1228 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1229 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1230 set_sta_flag(sta, WLAN_STA_MFP);
1231 else
1232 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1233 }
b39c48fa 1234
07ba55d7 1235 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1236 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1237 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1238 else
1239 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1240 }
4fd6931e 1241
3b9ce80c
JB		 1242 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1243 sta->sta.uapsd_queues = params->uapsd_queues;
1244 sta->sta.max_sp = params->max_sp;
1245 }
9533b4ac 1246
51b50fbe
JB		 1247 /*
1248 * cfg80211 validates this (1-2007) and allows setting the AID
1249 * only when creating a new station entry
1250 */
1251 if (params->aid)
1252 sta->sta.aid = params->aid;
1253
73651ee6 1254 /*
ba23d206
JB		 1255 * Some of the following updates would be racy if called on an
1256 * existing station, via ieee80211_change_station(). However,
1257 * all such changes are rejected by cfg80211 except for updates
1258 * changing the supported rates on an existing but not yet used
1259 * TDLS peer.
73651ee6
JB		 1260 */
1261
4fd6931e
JB		 1262 if (params->listen_interval >= 0)
1263 sta->listen_interval = params->listen_interval;
1264
1265 if (params->supported_rates) {
1266 rates = 0;
8318d78a 1267
4fd6931e
JB		 1268 for (i = 0; i < params->supported_rates_len; i++) {
1269 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1270 for (j = 0; j < sband->n_bitrates; j++) {
1271 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1272 rates |= BIT(j);
1273 }
1274 }
55de908a 1275 sta->sta.supp_rates[band] = rates;
4fd6931e 1276 }
c5dd9c2b 1277
d9fe60de 1278 if (params->ht_capa)
ef96a842 1279 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1280 params->ht_capa, sta);
36aedc90 1281
f461be3e
MP		 1282 if (params->vht_capa)
1283 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1284 params->vht_capa, sta);
f461be3e 1285
9c3990aa 1286 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1287#ifdef CONFIG_MAC80211_MESH
39886b61 1288 u32 changed = 0;
77ee7c89
JB		 1289
1290 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1291 switch (params->plink_state) {
57cf8043 1292 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1293 if (sta->plink_state != NL80211_PLINK_ESTAB)
1294 changed = mesh_plink_inc_estab_count(
1295 sdata);
1296 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1297
1298 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1299 changed |= ieee80211_mps_set_sta_local_pm(sta,
1300 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1301 break;
1302 case NL80211_PLINK_LISTEN:
57cf8043 1303 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1304 case NL80211_PLINK_OPN_SNT:
1305 case NL80211_PLINK_OPN_RCVD:
1306 case NL80211_PLINK_CNF_RCVD:
1307 case NL80211_PLINK_HOLDING:
1308 if (sta->plink_state == NL80211_PLINK_ESTAB)
1309 changed = mesh_plink_dec_estab_count(
1310 sdata);
9c3990aa 1311 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1312
1313 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1314 changed |=
1315 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1316 break;
1317 default:
1318 /* nothing */
1319 break;
1320 }
77ee7c89
JB		 1321 }
1322
1323 switch (params->plink_action) {
1324 case NL80211_PLINK_ACTION_NO_ACTION:
1325 /* nothing */
1326 break;
1327 case NL80211_PLINK_ACTION_OPEN:
1328 changed |= mesh_plink_open(sta);
1329 break;
1330 case NL80211_PLINK_ACTION_BLOCK:
1331 changed |= mesh_plink_block(sta);
1332 break;
1617bab8 1333 }
3f52b7e3
MP		 1334
1335 if (params->local_pm)
39886b61
TP		 1336 changed |=
1337 ieee80211_mps_set_sta_local_pm(sta,
1338 params->local_pm);
1339 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1340#endif
902acc78 1341 }
d9a7ddb0
JB		 1342
1343 return 0;
4fd6931e
JB		 1344}
1345
1346static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1347 u8 *mac, struct station_parameters *params)
1348{
14db74bc 1349 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1350 struct sta_info *sta;
1351 struct ieee80211_sub_if_data *sdata;
73651ee6 1352 int err;
b8d476c8 1353 int layer2_update;
4fd6931e 1354
4fd6931e
JB		 1355 if (params->vlan) {
1356 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1357
05c914fe
JB		 1358 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1359 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1360 return -EINVAL;
1361 } else
1362 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1363
b203ca39 1364 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1365 return -EINVAL;
1366
1367 if (is_multicast_ether_addr(mac))
1368 return -EINVAL;
1369
1370 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1371 if (!sta)
1372 return -ENOMEM;
4fd6931e 1373
d582cffb
JB		 1374 /*
1375 * defaults -- if userspace wants something else we'll
1376 * change it accordingly in sta_apply_parameters()
1377 */
77ee7c89
JB		 1378 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1379 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1380 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1381 }
4fd6931e 1382
d9a7ddb0
JB		 1383 err = sta_apply_parameters(local, sta, params);
1384 if (err) {
1385 sta_info_free(local, sta);
1386 return err;
1387 }
4fd6931e 1388
d64cf63e 1389 /*
77ee7c89
JB		 1390 * for TDLS, rate control should be initialized only when
1391 * rates are known and station is marked authorized
d64cf63e
AN		 1392 */
1393 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1394 rate_control_rate_init(sta);
4fd6931e 1395
b8d476c8
JM		 1396 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1397 sdata->vif.type == NL80211_IFTYPE_AP;
1398
34e89507 1399 err = sta_info_insert_rcu(sta);
73651ee6 1400 if (err) {
73651ee6
JB		 1401 rcu_read_unlock();
1402 return err;
1403 }
1404
b8d476c8 1405 if (layer2_update)
73651ee6
JB		 1406 ieee80211_send_layer2_update(sta);
1407
1408 rcu_read_unlock();
1409
4fd6931e
JB		 1410 return 0;
1411}
1412
1413static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1414 u8 *mac)
1415{
14db74bc 1416 struct ieee80211_sub_if_data *sdata;
4fd6931e 1417
14db74bc
JB		 1418 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1419
34e89507
JB		 1420 if (mac)
1421 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1422
b998e8bb 1423 sta_info_flush(sdata);
4fd6931e
JB		 1424 return 0;
1425}
1426
1427static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1428 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1429 struct station_parameters *params)
1430{
abe60632 1431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1432 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1433 struct sta_info *sta;
1434 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1435 enum cfg80211_station_type statype;
35b88623 1436 int err;
4fd6931e 1437
87be1e1e 1438 mutex_lock(&local->sta_mtx);
98dd6a57 1439
0e5ded5a 1440 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1441 if (!sta) {
77ee7c89
JB		 1442 err = -ENOENT;
1443 goto out_err;
98dd6a57 1444 }
4fd6931e 1445
77ee7c89
JB		 1446 switch (sdata->vif.type) {
1447 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1448 if (sdata->u.mesh.user_mpm)
eef941e6 1449 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1450 else
eef941e6 1451 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1452 break;
1453 case NL80211_IFTYPE_ADHOC:
1454 statype = CFG80211_STA_IBSS;
1455 break;
1456 case NL80211_IFTYPE_STATION:
1457 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1458 statype = CFG80211_STA_AP_STA;
1459 break;
1460 }
1461 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1462 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1463 else
1464 statype = CFG80211_STA_TDLS_PEER_SETUP;
1465 break;
1466 case NL80211_IFTYPE_AP:
1467 case NL80211_IFTYPE_AP_VLAN:
1468 statype = CFG80211_STA_AP_CLIENT;
1469 break;
1470 default:
1471 err = -EOPNOTSUPP;
1472 goto out_err;
bdd90d5e
JB		 1473 }
1474
77ee7c89
JB		 1475 err = cfg80211_check_station_change(wiphy, params, statype);
1476 if (err)
1477 goto out_err;
1478
d0709a65 1479 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1480 bool prev_4addr = false;
1481 bool new_4addr = false;
1482
4fd6931e
JB		 1483 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1484
9bc383de 1485 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1486 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1487 err = -EBUSY;
1488 goto out_err;
3305443c 1489 }
f14543ee 1490
cf778b00 1491 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1492 new_4addr = true;
1493 }
1494
1495 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1496 sta->sdata->u.vlan.sta) {
1497 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1498 prev_4addr = true;
f14543ee
FF		 1499 }
1500
14db74bc 1501 sta->sdata = vlansdata;
7e3ed02c
FF		 1502
1503 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1504 prev_4addr != new_4addr) {
1505 if (new_4addr)
1506 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1507 else
1508 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1509 }
1510
4fd6931e
JB		 1511 ieee80211_send_layer2_update(sta);
1512 }
1513
35b88623 1514 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1515 if (err)
1516 goto out_err;
4fd6931e 1517
77ee7c89
JB		 1518 /* When peer becomes authorized, init rate control as well */
1519 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1520 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1521 rate_control_rate_init(sta);
1522
87be1e1e 1523 mutex_unlock(&local->sta_mtx);
98dd6a57 1524
808118cb 1525 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1526 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1527 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1528 ieee80211_recalc_ps_vif(sdata);
1529 }
77ee7c89 1530
4fd6931e 1531 return 0;
77ee7c89
JB		 1532out_err:
1533 mutex_unlock(&local->sta_mtx);
1534 return err;
4fd6931e
JB		 1535}
1536
c5dd9c2b
LCC		 1537#ifdef CONFIG_MAC80211_MESH
1538static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1539 u8 *dst, u8 *next_hop)
1540{
14db74bc 1541 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1542 struct mesh_path *mpath;
1543 struct sta_info *sta;
c5dd9c2b 1544
14db74bc
JB		 1545 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1546
d0709a65 1547 rcu_read_lock();
abe60632 1548 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1549 if (!sta) {
1550 rcu_read_unlock();
c5dd9c2b 1551 return -ENOENT;
d0709a65 1552 }
c5dd9c2b 1553
ae76eef0
BC		 1554 mpath = mesh_path_add(sdata, dst);
1555 if (IS_ERR(mpath)) {
d0709a65 1556 rcu_read_unlock();
ae76eef0 1557 return PTR_ERR(mpath);
d0709a65 1558 }
c5dd9c2b 1559
c5dd9c2b 1560 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1561
c5dd9c2b
LCC		 1562 rcu_read_unlock();
1563 return 0;
1564}
1565
1566static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1567 u8 *dst)
c5dd9c2b 1568{
f698d856
JBG		 1569 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1570
c5dd9c2b 1571 if (dst)
bf7cd94d 1572 return mesh_path_del(sdata, dst);
c5dd9c2b 1573
ece1a2e7 1574 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1575 return 0;
1576}
1577
1578static int ieee80211_change_mpath(struct wiphy *wiphy,
1579 struct net_device *dev,
1580 u8 *dst, u8 *next_hop)
1581{
14db74bc 1582 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1583 struct mesh_path *mpath;
1584 struct sta_info *sta;
1585
14db74bc
JB		 1586 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1587
d0709a65
JB		 1588 rcu_read_lock();
1589
abe60632 1590 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1591 if (!sta) {
1592 rcu_read_unlock();
c5dd9c2b 1593 return -ENOENT;
d0709a65 1594 }
c5dd9c2b 1595
bf7cd94d 1596 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1597 if (!mpath) {
1598 rcu_read_unlock();
c5dd9c2b
LCC		 1599 return -ENOENT;
1600 }
1601
1602 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1603
c5dd9c2b
LCC		 1604 rcu_read_unlock();
1605 return 0;
1606}
1607
1608static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1609 struct mpath_info *pinfo)
1610{
a3836e02
JB		 1611 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1612
1613 if (next_hop_sta)
1614 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1615 else
1616 memset(next_hop, 0, ETH_ALEN);
1617
7ce8c7a3
LAYS		 1618 memset(pinfo, 0, sizeof(*pinfo));
1619
f5ea9120
JB		 1620 pinfo->generation = mesh_paths_generation;
1621
c5dd9c2b 1622 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1623 MPATH_INFO_SN |
c5dd9c2b
LCC		 1624 MPATH_INFO_METRIC |
1625 MPATH_INFO_EXPTIME |
1626 MPATH_INFO_DISCOVERY_TIMEOUT |
1627 MPATH_INFO_DISCOVERY_RETRIES |
1628 MPATH_INFO_FLAGS;
1629
1630 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1631 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1632 pinfo->metric = mpath->metric;
1633 if (time_before(jiffies, mpath->exp_time))
1634 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1635 pinfo->discovery_timeout =
1636 jiffies_to_msecs(mpath->discovery_timeout);
1637 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1638 if (mpath->flags & MESH_PATH_ACTIVE)
1639 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1640 if (mpath->flags & MESH_PATH_RESOLVING)
1641 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1642 if (mpath->flags & MESH_PATH_SN_VALID)
1643 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1644 if (mpath->flags & MESH_PATH_FIXED)
1645 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1646 if (mpath->flags & MESH_PATH_RESOLVED)
1647 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1648}
1649
1650static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1651 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1652
1653{
14db74bc 1654 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1655 struct mesh_path *mpath;
1656
14db74bc
JB		 1657 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1658
c5dd9c2b 1659 rcu_read_lock();
bf7cd94d 1660 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1661 if (!mpath) {
1662 rcu_read_unlock();
1663 return -ENOENT;
1664 }
1665 memcpy(dst, mpath->dst, ETH_ALEN);
1666 mpath_set_pinfo(mpath, next_hop, pinfo);
1667 rcu_read_unlock();
1668 return 0;
1669}
1670
1671static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1672 int idx, u8 *dst, u8 *next_hop,
1673 struct mpath_info *pinfo)
1674{
14db74bc 1675 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1676 struct mesh_path *mpath;
1677
14db74bc
JB		 1678 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1679
c5dd9c2b 1680 rcu_read_lock();
bf7cd94d 1681 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1682 if (!mpath) {
1683 rcu_read_unlock();
1684 return -ENOENT;
1685 }
1686 memcpy(dst, mpath->dst, ETH_ALEN);
1687 mpath_set_pinfo(mpath, next_hop, pinfo);
1688 rcu_read_unlock();
1689 return 0;
1690}
93da9cc1 1691
24bdd9f4 1692static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1693 struct net_device *dev,
1694 struct mesh_config *conf)
1695{
1696 struct ieee80211_sub_if_data *sdata;
1697 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1698
93da9cc1 1699 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1700 return 0;
1701}
1702
1703static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1704{
1705 return (mask >> (parm-1)) & 0x1;
1706}
1707
c80d545d
JC		 1708static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1709 const struct mesh_setup *setup)
1710{
1711 u8 *new_ie;
1712 const u8 *old_ie;
4bb62344
CYY		 1713 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1714 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1715
581a8b0f 1716 /* allocate information elements */
c80d545d 1717 new_ie = NULL;
581a8b0f 1718 old_ie = ifmsh->ie;
c80d545d 1719
581a8b0f
JC		 1720 if (setup->ie_len) {
1721 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1722 GFP_KERNEL);
1723 if (!new_ie)
1724 return -ENOMEM;
1725 }
581a8b0f
JC		 1726 ifmsh->ie_len = setup->ie_len;
1727 ifmsh->ie = new_ie;
1728 kfree(old_ie);
c80d545d
JC		 1729
1730 /* now copy the rest of the setup parameters */
1731 ifmsh->mesh_id_len = setup->mesh_id_len;
1732 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1733 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1734 ifmsh->mesh_pp_id = setup->path_sel_proto;
1735 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1736 ifmsh->user_mpm = setup->user_mpm;
b130e5ce
JC		 1737 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1738 if (setup->is_authenticated)
1739 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1740 if (setup->is_secure)
1741 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1742
4bb62344
CYY		 1743 /* mcast rate setting in Mesh Node */
1744 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1745 sizeof(setup->mcast_rate));
1746
9bdbf04d
MP		 1747 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1748 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1749
c80d545d
JC		 1750 return 0;
1751}
1752
24bdd9f4 1753static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1754 struct net_device *dev, u32 mask,
1755 const struct mesh_config *nconf)
93da9cc1 1756{
1757 struct mesh_config *conf;
1758 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1759 struct ieee80211_if_mesh *ifmsh;
1760
93da9cc1 1761 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1762 ifmsh = &sdata->u.mesh;
93da9cc1 1763
93da9cc1 1764 /* Set the config options which we are interested in setting */
1765 conf = &(sdata->u.mesh.mshcfg);
1766 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1767 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1768 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1769 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1770 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1771 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1772 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1773 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1774 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1775 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1776 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1777 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1778 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1779 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1780 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1781 if (ifmsh->user_mpm)
1782 return -EBUSY;
93da9cc1 1783 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1784 }
d299a1f2
JC		 1785 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1786 conf->dot11MeshNbrOffsetMaxNeighbor =
1787 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1788 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1789 conf->dot11MeshHWMPmaxPREQretries =
1790 nconf->dot11MeshHWMPmaxPREQretries;
1791 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1792 conf->path_refresh_time = nconf->path_refresh_time;
1793 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1794 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1795 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1796 conf->dot11MeshHWMPactivePathTimeout =
1797 nconf->dot11MeshHWMPactivePathTimeout;
1798 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1799 conf->dot11MeshHWMPpreqMinInterval =
1800 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1801 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1802 conf->dot11MeshHWMPperrMinInterval =
1803 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1804 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1805 mask))
1806 conf->dot11MeshHWMPnetDiameterTraversalTime =
1807 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1808 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1809 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1810 ieee80211_mesh_root_setup(ifmsh);
1811 }
16dd7267 1812 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1813 /* our current gate announcement implementation rides on root
1814 * announcements, so require this ifmsh to also be a root node
1815 * */
1816 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1817 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1818 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1819 ieee80211_mesh_root_setup(ifmsh);
1820 }
16dd7267
JC		 1821 conf->dot11MeshGateAnnouncementProtocol =
1822 nconf->dot11MeshGateAnnouncementProtocol;
1823 }
a4f606ea 1824 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1825 conf->dot11MeshHWMPRannInterval =
1826 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1827 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1828 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1829 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1830 /* our RSSI threshold implementation is supported only for
1831 * devices that report signal in dBm.
1832 */
1833 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1834 return -ENOTSUPP;
1835 conf->rssi_threshold = nconf->rssi_threshold;
1836 }
70c33eaa
AN		 1837 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1838 conf->ht_opmode = nconf->ht_opmode;
1839 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1840 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1841 }
ac1073a6
CYY		 1842 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1843 conf->dot11MeshHWMPactivePathToRootTimeout =
1844 nconf->dot11MeshHWMPactivePathToRootTimeout;
1845 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1846 conf->dot11MeshHWMProotInterval =
1847 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1848 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1849 conf->dot11MeshHWMPconfirmationInterval =
1850 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1851 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1852 conf->power_mode = nconf->power_mode;
1853 ieee80211_mps_local_status_update(sdata);
1854 }
2b5e1967 1855 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1856 conf->dot11MeshAwakeWindowDuration =
1857 nconf->dot11MeshAwakeWindowDuration;
2b5e1967 1858 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1859 return 0;
1860}
1861
29cbe68c
JB		 1862static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1863 const struct mesh_config *conf,
1864 const struct mesh_setup *setup)
1865{
1866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1867 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1868 int err;
29cbe68c 1869
c80d545d
JC		 1870 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1871 err = copy_mesh_setup(ifmsh, setup);
1872 if (err)
1873 return err;
cc1d2806 1874
04ecd257
JB		 1875 /* can mesh use other SMPS modes? */
1876 sdata->smps_mode = IEEE80211_SMPS_OFF;
1877 sdata->needed_rx_chains = sdata->local->rx_chains;
1878
4bf88530 1879 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1880 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1881 if (err)
1882 return err;
1883
2b5e1967 1884 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1885}
1886
1887static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1888{
1889 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1890
1891 ieee80211_stop_mesh(sdata);
55de908a 1892 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1893
1894 return 0;
1895}
c5dd9c2b
LCC		 1896#endif
1897
9f1ba906
JM		 1898static int ieee80211_change_bss(struct wiphy *wiphy,
1899 struct net_device *dev,
1900 struct bss_parameters *params)
1901{
55de908a
JB		 1902 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1903 enum ieee80211_band band;
9f1ba906
JM		 1904 u32 changed = 0;
1905
55de908a
JB		 1906 if (!rtnl_dereference(sdata->u.ap.beacon))
1907 return -ENOENT;
1908
1909 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1910
9f1ba906 1911 if (params->use_cts_prot >= 0) {
bda3933a 1912 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1913 changed |= BSS_CHANGED_ERP_CTS_PROT;
1914 }
1915 if (params->use_short_preamble >= 0) {
bda3933a 1916 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1917 params->use_short_preamble;
1918 changed |= BSS_CHANGED_ERP_PREAMBLE;
1919 }
43d35343
FF		 1920
1921 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1922 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1923 sdata->vif.bss_conf.use_short_slot = true;
1924 changed |= BSS_CHANGED_ERP_SLOT;
1925 }
1926
9f1ba906 1927 if (params->use_short_slot_time >= 0) {
bda3933a 1928 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1929 params->use_short_slot_time;
1930 changed |= BSS_CHANGED_ERP_SLOT;
1931 }
1932
90c97a04
JM		 1933 if (params->basic_rates) {
1934 int i, j;
1935 u32 rates = 0;
55de908a 1936 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1937
1938 for (i = 0; i < params->basic_rates_len; i++) {
1939 int rate = (params->basic_rates[i] & 0x7f) * 5;
1940 for (j = 0; j < sband->n_bitrates; j++) {
1941 if (sband->bitrates[j].bitrate == rate)
1942 rates |= BIT(j);
1943 }
1944 }
1945 sdata->vif.bss_conf.basic_rates = rates;
1946 changed |= BSS_CHANGED_BASIC_RATES;
1947 }
1948
7b7b5e56
FF		 1949 if (params->ap_isolate >= 0) {
1950 if (params->ap_isolate)
1951 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1952 else
1953 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1954 }
1955
80d7e403
HS		 1956 if (params->ht_opmode >= 0) {
1957 sdata->vif.bss_conf.ht_operation_mode =
1958 (u16) params->ht_opmode;
1959 changed |= BSS_CHANGED_HT;
1960 }
1961
339afbf4 1962 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1963 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1964 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1965 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1966 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1967 changed |= BSS_CHANGED_P2P_PS;
1968 }
1969
67baf663
JD		 1970 if (params->p2p_opp_ps > 0) {
1971 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1972 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1973 changed |= BSS_CHANGED_P2P_PS;
1974 } else if (params->p2p_opp_ps == 0) {
1975 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1976 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1977 changed |= BSS_CHANGED_P2P_PS;
1978 }
1979
9f1ba906
JM		 1980 ieee80211_bss_info_change_notify(sdata, changed);
1981
1982 return 0;
1983}
1984
31888487 1985static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1986 struct net_device *dev,
31888487
JM		 1987 struct ieee80211_txq_params *params)
1988{
1989 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1990 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1991 struct ieee80211_tx_queue_params p;
1992
1993 if (!local->ops->conf_tx)
1994 return -EOPNOTSUPP;
1995
54bcbc69
JB		 1996 if (local->hw.queues < IEEE80211_NUM_ACS)
1997 return -EOPNOTSUPP;
1998
31888487
JM		 1999 memset(&p, 0, sizeof(p));
2000 p.aifs = params->aifs;
2001 p.cw_max = params->cwmax;
2002 p.cw_min = params->cwmin;
2003 p.txop = params->txop;
ab13315a
KV		 2004
2005 /*
2006 * Setting tx queue params disables u-apsd because it's only
2007 * called in master mode.
2008 */
2009 p.uapsd = false;
2010
a3304b0a
JB		 2011 sdata->tx_conf[params->ac] = p;
2012 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2013 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2014 "failed to set TX queue parameters for AC %d\n",
2015 params->ac);
31888487
JM		 2016 return -EINVAL;
2017 }
2018
7d25745d
JB		 2019 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2020
31888487
JM		 2021 return 0;
2022}
2023
665af4fc 2024#ifdef CONFIG_PM
ff1b6e69
JB		 2025static int ieee80211_suspend(struct wiphy *wiphy,
2026 struct cfg80211_wowlan *wowlan)
665af4fc 2027{
eecc4800 2028 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2029}
2030
2031static int ieee80211_resume(struct wiphy *wiphy)
2032{
2033 return __ieee80211_resume(wiphy_priv(wiphy));
2034}
2035#else
2036#define ieee80211_suspend NULL
2037#define ieee80211_resume NULL
2038#endif
2039
2a519311 2040static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2041 struct cfg80211_scan_request *req)
2042{
fd014284
JB		 2043 struct ieee80211_sub_if_data *sdata;
2044
2045 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2046
2ca27bcf
JB		 2047 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2048 case NL80211_IFTYPE_STATION:
2049 case NL80211_IFTYPE_ADHOC:
2050 case NL80211_IFTYPE_MESH_POINT:
2051 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2052 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2053 break;
2054 case NL80211_IFTYPE_P2P_GO:
2055 if (sdata->local->ops->hw_scan)
2056 break;
e9d7732e
JB		 2057 /*
2058 * FIXME: implement NoA while scanning in software,
2059 * for now fall through to allow scanning only when
2060 * beaconing hasn't been configured yet
2061 */
2ca27bcf 2062 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2063 /*
2064 * If the scan has been forced (and the driver supports
2065 * forcing), don't care about being beaconing already.
2066 * This will create problems to the attached stations (e.g. all
2067 * the frames sent while scanning on other channel will be
2068 * lost)
2069 */
2070 if (sdata->u.ap.beacon &&
2071 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2072 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2073 return -EOPNOTSUPP;
2074 break;
2075 default:
2076 return -EOPNOTSUPP;
2077 }
2a519311
JB		 2078
2079 return ieee80211_request_scan(sdata, req);
2080}
2081
79f460ca
LC		 2082static int
2083ieee80211_sched_scan_start(struct wiphy *wiphy,
2084 struct net_device *dev,
2085 struct cfg80211_sched_scan_request *req)
2086{
2087 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2088
2089 if (!sdata->local->ops->sched_scan_start)
2090 return -EOPNOTSUPP;
2091
2092 return ieee80211_request_sched_scan_start(sdata, req);
2093}
2094
2095static int
85a9994a 2096ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2097{
2098 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2099
2100 if (!sdata->local->ops->sched_scan_stop)
2101 return -EOPNOTSUPP;
2102
85a9994a 2103 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2104}
2105
636a5d36
JM		 2106static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2107 struct cfg80211_auth_request *req)
2108{
77fdaa12 2109 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2110}
2111
2112static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2113 struct cfg80211_assoc_request *req)
2114{
77fdaa12 2115 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2116}
2117
2118static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2119 struct cfg80211_deauth_request *req)
636a5d36 2120{
63c9c5e7 2121 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2122}
2123
2124static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2125 struct cfg80211_disassoc_request *req)
636a5d36 2126{
63c9c5e7 2127 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2128}
2129
af8cdcd8
JB		 2130static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2131 struct cfg80211_ibss_params *params)
2132{
55de908a 2133 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2134}
2135
2136static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2137{
55de908a 2138 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2139}
2140
391e53e3
AQ		 2141static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2142 int rate[IEEE80211_NUM_BANDS])
2143{
2144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2145
9887dbf5
CD		 2146 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2147 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2148
2149 return 0;
2150}
2151
b9a5f8ca
JM		 2152static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2153{
2154 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2155 int err;
b9a5f8ca 2156
f23a4780
AN		 2157 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2158 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2159
2160 if (err)
2161 return err;
2162 }
2163
310bc676
LT		 2164 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2165 err = drv_set_coverage_class(local, wiphy->coverage_class);
2166
2167 if (err)
2168 return err;
2169 }
2170
b9a5f8ca 2171 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2172 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2173
24487981
JB		 2174 if (err)
2175 return err;
b9a5f8ca
JM		 2176 }
2177
8bc83c24
JB		 2178 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2179 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2180 return -EINVAL;
b9a5f8ca 2181 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2182 }
2183 if (changed & WIPHY_PARAM_RETRY_LONG) {
2184 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2185 return -EINVAL;
b9a5f8ca 2186 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2187 }
b9a5f8ca
JM		 2188 if (changed &
2189 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2190 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2191
2192 return 0;
2193}
2194
7643a2c3 2195static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2196 struct wireless_dev *wdev,
fa61cf70 2197 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2198{
2199 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2200 struct ieee80211_sub_if_data *sdata;
7643a2c3 2201
1ea6f9c0
JB		 2202 if (wdev) {
2203 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2204
2205 switch (type) {
2206 case NL80211_TX_POWER_AUTOMATIC:
2207 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2208 break;
2209 case NL80211_TX_POWER_LIMITED:
2210 case NL80211_TX_POWER_FIXED:
2211 if (mbm < 0 || (mbm % 100))
2212 return -EOPNOTSUPP;
2213 sdata->user_power_level = MBM_TO_DBM(mbm);
2214 break;
2215 }
2216
2217 ieee80211_recalc_txpower(sdata);
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;
7643a2c3 2225 break;
fa61cf70 2226 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2227 case NL80211_TX_POWER_FIXED:
2228 if (mbm < 0 || (mbm % 100))
2229 return -EOPNOTSUPP;
fa61cf70 2230 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2231 break;
7643a2c3
JB		 2232 }
2233
1ea6f9c0
JB		 2234 mutex_lock(&local->iflist_mtx);
2235 list_for_each_entry(sdata, &local->interfaces, list)
2236 sdata->user_power_level = local->user_power_level;
2237 list_for_each_entry(sdata, &local->interfaces, list)
2238 ieee80211_recalc_txpower(sdata);
2239 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2240
2241 return 0;
2242}
2243
c8442118
JB		 2244static int ieee80211_get_tx_power(struct wiphy *wiphy,
2245 struct wireless_dev *wdev,
2246 int *dbm)
7643a2c3
JB		 2247{
2248 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2249 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2250
1ea6f9c0
JB		 2251 if (!local->use_chanctx)
2252 *dbm = local->hw.conf.power_level;
2253 else
2254 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2255
7643a2c3
JB		 2256 return 0;
2257}
2258
ab737a4f 2259static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2260 const u8 *addr)
ab737a4f
JB		 2261{
2262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2263
2264 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2265
2266 return 0;
2267}
2268
1f87f7d3
JB		 2269static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2270{
2271 struct ieee80211_local *local = wiphy_priv(wiphy);
2272
2273 drv_rfkill_poll(local);
2274}
2275
aff89a9b 2276#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2277static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2278{
2279 struct ieee80211_local *local = wiphy_priv(wiphy);
2280
2281 if (!local->ops->testmode_cmd)
2282 return -EOPNOTSUPP;
2283
2284 return local->ops->testmode_cmd(&local->hw, data, len);
2285}
71063f0e
WYG		 2286
2287static int ieee80211_testmode_dump(struct wiphy *wiphy,
2288 struct sk_buff *skb,
2289 struct netlink_callback *cb,
2290 void *data, int len)
2291{
2292 struct ieee80211_local *local = wiphy_priv(wiphy);
2293
2294 if (!local->ops->testmode_dump)
2295 return -EOPNOTSUPP;
2296
2297 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2298}
aff89a9b
JB		 2299#endif
2300
0f78231b
JB		 2301int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2302 enum ieee80211_smps_mode smps_mode)
2303{
2304 const u8 *ap;
2305 enum ieee80211_smps_mode old_req;
2306 int err;
2307
243e6df4
JB		 2308 lockdep_assert_held(&sdata->u.mgd.mtx);
2309
0f78231b
JB		 2310 old_req = sdata->u.mgd.req_smps;
2311 sdata->u.mgd.req_smps = smps_mode;
2312
2313 if (old_req == smps_mode &&
2314 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2315 return 0;
2316
2317 /*
2318 * If not associated, or current association is not an HT
04ecd257
JB		 2319 * association, there's no need to do anything, just store
2320 * the new value until we associate.
0f78231b
JB		 2321 */
2322 if (!sdata->u.mgd.associated ||
4bf88530 2323 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2324 return 0;
0f78231b 2325
0c1ad2ca 2326 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2327
2328 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2329 if (sdata->u.mgd.powersave)
2330 smps_mode = IEEE80211_SMPS_DYNAMIC;
2331 else
2332 smps_mode = IEEE80211_SMPS_OFF;
2333 }
2334
2335 /* send SM PS frame to AP */
2336 err = ieee80211_send_smps_action(sdata, smps_mode,
2337 ap, ap);
2338 if (err)
2339 sdata->u.mgd.req_smps = old_req;
2340
2341 return err;
2342}
2343
bc92afd9
JB		 2344static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2345 bool enabled, int timeout)
2346{
2347 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2348 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2349
ee1f6681
CYY		 2350 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2351 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2352 return -EOPNOTSUPP;
2353
bc92afd9
JB		 2354 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2355 return -EOPNOTSUPP;
2356
2357 if (enabled == sdata->u.mgd.powersave &&
ff616381 2358 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2359 return 0;
2360
2361 sdata->u.mgd.powersave = enabled;
ff616381 2362 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2363
0f78231b
JB		 2364 /* no change, but if automatic follow powersave */
2365 mutex_lock(&sdata->u.mgd.mtx);
2366 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2367 mutex_unlock(&sdata->u.mgd.mtx);
2368
bc92afd9
JB		 2369 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2370 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2371
2372 ieee80211_recalc_ps(local, -1);
ab095877 2373 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2374
2375 return 0;
2376}
2377
a97c13c3
JO		 2378static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2379 struct net_device *dev,
2380 s32 rssi_thold, u32 rssi_hyst)
2381{
2382 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2383 struct ieee80211_vif *vif = &sdata->vif;
2384 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2385
a97c13c3
JO		 2386 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2387 rssi_hyst == bss_conf->cqm_rssi_hyst)
2388 return 0;
2389
2390 bss_conf->cqm_rssi_thold = rssi_thold;
2391 bss_conf->cqm_rssi_hyst = rssi_hyst;
2392
2393 /* tell the driver upon association, unless already associated */
ea086359
JB		 2394 if (sdata->u.mgd.associated &&
2395 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2396 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2397
2398 return 0;
2399}
2400
9930380f
JB		 2401static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2402 struct net_device *dev,
2403 const u8 *addr,
2404 const struct cfg80211_bitrate_mask *mask)
2405{
2406 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2407 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2408 int i, ret;
2c7e6bc9 2409
554a43d5
EP		 2410 if (!ieee80211_sdata_running(sdata))
2411 return -ENETDOWN;
2412
bdbfd6b5
SM		 2413 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2414 ret = drv_set_bitrate_mask(local, sdata, mask);
2415 if (ret)
2416 return ret;
2417 }
9930380f 2418
19468413 2419 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2420 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2421 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2422 sizeof(mask->control[i].mcs));
2423 }
9930380f 2424
37eb0b16 2425 return 0;
9930380f
JB		 2426}
2427
2eb278e0
JB		 2428static int ieee80211_start_roc_work(struct ieee80211_local *local,
2429 struct ieee80211_sub_if_data *sdata,
2430 struct ieee80211_channel *channel,
2eb278e0 2431 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2432 struct sk_buff *txskb,
2433 enum ieee80211_roc_type type)
2eb278e0
JB		 2434{
2435 struct ieee80211_roc_work *roc, *tmp;
2436 bool queued = false;
21f83589 2437 int ret;
21f83589
JB		 2438
2439 lockdep_assert_held(&local->mtx);
2440
fe57d9f5
JB		 2441 if (local->use_chanctx && !local->ops->remain_on_channel)
2442 return -EOPNOTSUPP;
2443
2eb278e0
JB		 2444 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2445 if (!roc)
2446 return -ENOMEM;
2447
2448 roc->chan = channel;
2eb278e0
JB		 2449 roc->duration = duration;
2450 roc->req_duration = duration;
2451 roc->frame = txskb;
d339d5ca 2452 roc->type = type;
2eb278e0
JB		 2453 roc->mgmt_tx_cookie = (unsigned long)txskb;
2454 roc->sdata = sdata;
2455 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2456 INIT_LIST_HEAD(&roc->dependents);
2457
2458 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2459 if (!list_empty(&local->roc_list) ||
2460 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2461 goto out_check_combine;
2462
2463 /* if not HW assist, just queue & schedule work */
2464 if (!local->ops->remain_on_channel) {
2465 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2466 goto out_queue;
2467 }
2468
2469 /* otherwise actually kick it off here (for error handling) */
2470
2471 /*
2472 * If the duration is zero, then the driver
2473 * wouldn't actually do anything. Set it to
2474 * 10 for now.
2475 *
2476 * TODO: cancel the off-channel operation
2477 * when we get the SKB's TX status and
2478 * the wait time was zero before.
2479 */
2480 if (!duration)
2481 duration = 10;
2482
d339d5ca 2483 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2484 if (ret) {
2eb278e0
JB		 2485 kfree(roc);
2486 return ret;
21f83589
JB		 2487 }
2488
2eb278e0
JB		 2489 roc->started = true;
2490 goto out_queue;
2491
2492 out_check_combine:
2493 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2494 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2495 continue;
2496
2497 /*
2498 * Extend this ROC if possible:
2499 *
2500 * If it hasn't started yet, just increase the duration
2501 * and add the new one to the list of dependents.
d339d5ca
IP		 2502 * If the type of the new ROC has higher priority, modify the
2503 * type of the previous one to match that of the new one.
2eb278e0
JB		 2504 */
2505 if (!tmp->started) {
2506 list_add_tail(&roc->list, &tmp->dependents);
2507 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2508 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2509 queued = true;
2510 break;
2511 }
2512
2513 /* If it has already started, it's more difficult ... */
2514 if (local->ops->remain_on_channel) {
2515 unsigned long j = jiffies;
2516
2517 /*
2518 * In the offloaded ROC case, if it hasn't begun, add
2519 * this new one to the dependent list to be handled
d339d5ca 2520 * when the master one begins. If it has begun,
2eb278e0
JB		 2521 * check that there's still a minimum time left and
2522 * if so, start this one, transmitting the frame, but
d339d5ca 2523 * add it to the list directly after this one with
2eb278e0
JB		 2524 * a reduced time so we'll ask the driver to execute
2525 * it right after finishing the previous one, in the
2526 * hope that it'll also be executed right afterwards,
2527 * effectively extending the old one.
2528 * If there's no minimum time left, just add it to the
2529 * normal list.
d339d5ca
IP		 2530 * TODO: the ROC type is ignored here, assuming that it
2531 * is better to immediately use the current ROC.
2eb278e0
JB		 2532 */
2533 if (!tmp->hw_begun) {
2534 list_add_tail(&roc->list, &tmp->dependents);
2535 queued = true;
2536 break;
2537 }
2538
2539 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2540 tmp->hw_start_time +
2541 msecs_to_jiffies(tmp->duration))) {
2542 int new_dur;
2543
2544 ieee80211_handle_roc_started(roc);
2545
2546 new_dur = roc->duration -
2547 jiffies_to_msecs(tmp->hw_start_time +
2548 msecs_to_jiffies(
2549 tmp->duration) -
2550 j);
2551
2552 if (new_dur > 0) {
2553 /* add right after tmp */
2554 list_add(&roc->list, &tmp->list);
2555 } else {
2556 list_add_tail(&roc->list,
2557 &tmp->dependents);
2558 }
2559 queued = true;
2560 }
2561 } else if (del_timer_sync(&tmp->work.timer)) {
2562 unsigned long new_end;
2563
2564 /*
2565 * In the software ROC case, cancel the timer, if
2566 * that fails then the finish work is already
2567 * queued/pending and thus we queue the new ROC
2568 * normally, if that succeeds then we can extend
2569 * the timer duration and TX the frame (if any.)
2570 */
2571
2572 list_add_tail(&roc->list, &tmp->dependents);
2573 queued = true;
2574
2575 new_end = jiffies + msecs_to_jiffies(roc->duration);
2576
2577 /* ok, it was started & we canceled timer */
2578 if (time_after(new_end, tmp->work.timer.expires))
2579 mod_timer(&tmp->work.timer, new_end);
2580 else
2581 add_timer(&tmp->work.timer);
2582
2583 ieee80211_handle_roc_started(roc);
2584 }
2585 break;
2586 }
2587
2588 out_queue:
2589 if (!queued)
2590 list_add_tail(&roc->list, &local->roc_list);
2591
2592 /*
50febf6a 2593 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2594 * or the SKB (for mgmt TX)
2595 */
50febf6a
JB		 2596 if (!txskb) {
2597 /* local->mtx protects this */
2598 local->roc_cookie_counter++;
2599 roc->cookie = local->roc_cookie_counter;
2600 /* wow, you wrapped 64 bits ... more likely a bug */
2601 if (WARN_ON(roc->cookie == 0)) {
2602 roc->cookie = 1;
2603 local->roc_cookie_counter++;
2604 }
2605 *cookie = roc->cookie;
2606 } else {
2eb278e0 2607 *cookie = (unsigned long)txskb;
50febf6a 2608 }
2eb278e0
JB		 2609
2610 return 0;
21f83589
JB		 2611}
2612
b8bc4b0a 2613static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2614 struct wireless_dev *wdev,
b8bc4b0a 2615 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2616 unsigned int duration,
2617 u64 *cookie)
2618{
71bbc994 2619 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2620 struct ieee80211_local *local = sdata->local;
2eb278e0 2621 int ret;
21f83589 2622
2eb278e0 2623 mutex_lock(&local->mtx);
42d97a59 2624 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2625 duration, cookie, NULL,
2626 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2627 mutex_unlock(&local->mtx);
b8bc4b0a 2628
2eb278e0 2629 return ret;
b8bc4b0a
JB		 2630}
2631
2eb278e0
JB		 2632static int ieee80211_cancel_roc(struct ieee80211_local *local,
2633 u64 cookie, bool mgmt_tx)
21f83589 2634{
2eb278e0 2635 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2636 int ret;
2637
2eb278e0
JB		 2638 mutex_lock(&local->mtx);
2639 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2640 struct ieee80211_roc_work *dep, *tmp2;
2641
2642 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2643 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2644 continue;
2645 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2646 continue;
2647 /* found dependent item -- just remove it */
2648 list_del(&dep->list);
2649 mutex_unlock(&local->mtx);
2650
2651 ieee80211_roc_notify_destroy(dep);
2652 return 0;
2653 }
2654
50febf6a 2655 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2656 continue;
2657 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2658 continue;
21f83589 2659
2eb278e0
JB		 2660 found = roc;
2661 break;
2662 }
21f83589 2663
2eb278e0
JB		 2664 if (!found) {
2665 mutex_unlock(&local->mtx);
2666 return -ENOENT;
2667 }
21f83589 2668
e979e33c
JB		 2669 /*
2670 * We found the item to cancel, so do that. Note that it
2671 * may have dependents, which we also cancel (and send
2672 * the expired signal for.) Not doing so would be quite
2673 * tricky here, but we may need to fix it later.
2674 */
2675
2eb278e0
JB		 2676 if (local->ops->remain_on_channel) {
2677 if (found->started) {
2678 ret = drv_cancel_remain_on_channel(local);
2679 if (WARN_ON_ONCE(ret)) {
2680 mutex_unlock(&local->mtx);
2681 return ret;
2682 }
2683 }
21f83589 2684
2eb278e0 2685 list_del(&found->list);
21f83589 2686
0f6b3f59
JB		 2687 if (found->started)
2688 ieee80211_start_next_roc(local);
2eb278e0 2689 mutex_unlock(&local->mtx);
21f83589 2690
2eb278e0
JB		 2691 ieee80211_roc_notify_destroy(found);
2692 } else {
2693 /* work may be pending so use it all the time */
2694 found->abort = true;
2695 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2696
21f83589
JB		 2697 mutex_unlock(&local->mtx);
2698
2eb278e0
JB		 2699 /* work will clean up etc */
2700 flush_delayed_work(&found->work);
21f83589 2701 }
b8bc4b0a 2702
2eb278e0 2703 return 0;
b8bc4b0a
JB		 2704}
2705
2eb278e0 2706static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2707 struct wireless_dev *wdev,
2eb278e0 2708 u64 cookie)
f30221e4 2709{
71bbc994 2710 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2711 struct ieee80211_local *local = sdata->local;
f30221e4 2712
2eb278e0 2713 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2714}
2715
164eb02d
SW		 2716static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2717 struct net_device *dev,
2718 struct cfg80211_chan_def *chandef)
2719{
2720 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2721 struct ieee80211_local *local = sdata->local;
2722 unsigned long timeout;
2723 int err;
2724
2725 if (!list_empty(&local->roc_list) || local->scanning)
2726 return -EBUSY;
2727
2728 /* whatever, but channel contexts should not complain about that one */
2729 sdata->smps_mode = IEEE80211_SMPS_OFF;
2730 sdata->needed_rx_chains = local->rx_chains;
2731 sdata->radar_required = true;
2732
2733 mutex_lock(&local->iflist_mtx);
2734 err = ieee80211_vif_use_channel(sdata, chandef,
2735 IEEE80211_CHANCTX_SHARED);
2736 mutex_unlock(&local->iflist_mtx);
2737 if (err)
2738 return err;
2739
2740 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2741 ieee80211_queue_delayed_work(&sdata->local->hw,
2742 &sdata->dfs_cac_timer_work, timeout);
2743
2744 return 0;
2745}
2746
71bbc994 2747static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2748 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2749 unsigned int wait, const u8 *buf, size_t len,
2750 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2751{
71bbc994 2752 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2753 struct ieee80211_local *local = sdata->local;
2754 struct sk_buff *skb;
2755 struct sta_info *sta;
2756 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2757 bool need_offchan = false;
e247bd90 2758 u32 flags;
2eb278e0 2759 int ret;
f7ca38df 2760
e247bd90
JB		 2761 if (dont_wait_for_ack)
2762 flags = IEEE80211_TX_CTL_NO_ACK;
2763 else
2764 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2765 IEEE80211_TX_CTL_REQ_TX_STATUS;
2766
aad14ceb
RM		 2767 if (no_cck)
2768 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2769
9d38d85d
JB		 2770 switch (sdata->vif.type) {
2771 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2772 if (!sdata->vif.bss_conf.ibss_joined)
2773 need_offchan = true;
2774 /* fall through */
2775#ifdef CONFIG_MAC80211_MESH
2776 case NL80211_IFTYPE_MESH_POINT:
2777 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2778 !sdata->u.mesh.mesh_id_len)
2779 need_offchan = true;
2780 /* fall through */
2781#endif
663fcafd
JB		 2782 case NL80211_IFTYPE_AP:
2783 case NL80211_IFTYPE_AP_VLAN:
2784 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2785 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2786 !ieee80211_vif_is_mesh(&sdata->vif) &&
2787 !rcu_access_pointer(sdata->bss->beacon))
2788 need_offchan = true;
663fcafd
JB		 2789 if (!ieee80211_is_action(mgmt->frame_control) ||
2790 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2791 break;
2792 rcu_read_lock();
2793 sta = sta_info_get(sdata, mgmt->da);
2794 rcu_read_unlock();
2795 if (!sta)
2796 return -ENOLINK;
2797 break;
2798 case NL80211_IFTYPE_STATION:
663fcafd 2799 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2800 if (!sdata->u.mgd.associated)
2801 need_offchan = true;
9d38d85d 2802 break;
f142c6b9
JB		 2803 case NL80211_IFTYPE_P2P_DEVICE:
2804 need_offchan = true;
2805 break;
9d38d85d
JB		 2806 default:
2807 return -EOPNOTSUPP;
2808 }
2809
2eb278e0
JB		 2810 mutex_lock(&local->mtx);
2811
2812 /* Check if the operating channel is the requested channel */
2813 if (!need_offchan) {
55de908a
JB		 2814 struct ieee80211_chanctx_conf *chanctx_conf;
2815
2816 rcu_read_lock();
2817 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2818
42d97a59 2819 if (chanctx_conf)
4bf88530 2820 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2821 else
2eb278e0 2822 need_offchan = true;
55de908a 2823 rcu_read_unlock();
2eb278e0
JB		 2824 }
2825
2826 if (need_offchan && !offchan) {
2827 ret = -EBUSY;
2828 goto out_unlock;
2829 }
2830
9d38d85d 2831 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2832 if (!skb) {
2833 ret = -ENOMEM;
2834 goto out_unlock;
2835 }
9d38d85d
JB		 2836 skb_reserve(skb, local->hw.extra_tx_headroom);
2837
2838 memcpy(skb_put(skb, len), buf, len);
2839
2840 IEEE80211_SKB_CB(skb)->flags = flags;
2841
2842 skb->dev = sdata->dev;
9d38d85d 2843
2eb278e0 2844 if (!need_offchan) {
7f9f78ab 2845 *cookie = (unsigned long) skb;
f30221e4 2846 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2847 ret = 0;
2848 goto out_unlock;
f30221e4
JB		 2849 }
2850
6c17b77b
SF		 2851 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2852 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 2853 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2854 IEEE80211_SKB_CB(skb)->hw_queue =
2855 local->hw.offchannel_tx_hw_queue;
f30221e4 2856
2eb278e0 2857 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2858 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2859 wait, cookie, skb,
2860 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 2861 if (ret)
2862 kfree_skb(skb);
2863 out_unlock:
2864 mutex_unlock(&local->mtx);
2865 return ret;
026331c4
JM		 2866}
2867
f30221e4 2868static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2869 struct wireless_dev *wdev,
f30221e4
JB		 2870 u64 cookie)
2871{
71bbc994 2872 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2873
2eb278e0 2874 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2875}
2876
7be5086d 2877static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2878 struct wireless_dev *wdev,
7be5086d
JB		 2879 u16 frame_type, bool reg)
2880{
2881 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2882 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2883
6abe0563
WH		 2884 switch (frame_type) {
2885 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2886 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2887 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2888
6abe0563
WH		 2889 if (reg)
2890 ifibss->auth_frame_registrations++;
2891 else
2892 ifibss->auth_frame_registrations--;
2893 }
2894 break;
2895 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2896 if (reg)
2897 local->probe_req_reg++;
2898 else
2899 local->probe_req_reg--;
7be5086d 2900
35f5149e
FF		 2901 if (!local->open_count)
2902 break;
2903
6abe0563
WH		 2904 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2905 break;
2906 default:
2907 break;
2908 }
7be5086d
JB		 2909}
2910
15d96753
BR		 2911static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2912{
2913 struct ieee80211_local *local = wiphy_priv(wiphy);
2914
2915 if (local->started)
2916 return -EOPNOTSUPP;
2917
2918 return drv_set_antenna(local, tx_ant, rx_ant);
2919}
2920
2921static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2922{
2923 struct ieee80211_local *local = wiphy_priv(wiphy);
2924
2925 return drv_get_antenna(local, tx_ant, rx_ant);
2926}
2927
38c09159
JL		 2928static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2929{
2930 struct ieee80211_local *local = wiphy_priv(wiphy);
2931
2932 return drv_set_ringparam(local, tx, rx);
2933}
2934
2935static void ieee80211_get_ringparam(struct wiphy *wiphy,
2936 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2937{
2938 struct ieee80211_local *local = wiphy_priv(wiphy);
2939
2940 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2941}
2942
c68f4b89
JB		 2943static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2944 struct net_device *dev,
2945 struct cfg80211_gtk_rekey_data *data)
2946{
2947 struct ieee80211_local *local = wiphy_priv(wiphy);
2948 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2949
2950 if (!local->ops->set_rekey_data)
2951 return -EOPNOTSUPP;
2952
2953 drv_set_rekey_data(local, sdata, data);
2954
2955 return 0;
2956}
2957
dfe018bf
AN		 2958static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2959{
2960 u8 *pos = (void *)skb_put(skb, 7);
2961
2962 *pos++ = WLAN_EID_EXT_CAPABILITY;
2963 *pos++ = 5; /* len */
2964 *pos++ = 0x0;
2965 *pos++ = 0x0;
2966 *pos++ = 0x0;
2967 *pos++ = 0x0;
2968 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2969}
2970
2971static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2972{
2973 struct ieee80211_local *local = sdata->local;
2974 u16 capab;
2975
2976 capab = 0;
55de908a 2977 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2978 return capab;
2979
2980 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2981 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2982 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2983 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2984
2985 return capab;
2986}
2987
2988static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2989 u8 *peer, u8 *bssid)
2990{
2991 struct ieee80211_tdls_lnkie *lnkid;
2992
2993 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2994
2995 lnkid->ie_type = WLAN_EID_LINK_ID;
2996 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2997
2998 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2999 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3000 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3001}
3002
3003static int
3004ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3005 u8 *peer, u8 action_code, u8 dialog_token,
3006 u16 status_code, struct sk_buff *skb)
3007{
3008 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3009 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3010 struct ieee80211_tdls_data *tf;
3011
3012 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3013
3014 memcpy(tf->da, peer, ETH_ALEN);
3015 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3016 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3017 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3018
3019 switch (action_code) {
3020 case WLAN_TDLS_SETUP_REQUEST:
3021 tf->category = WLAN_CATEGORY_TDLS;
3022 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3023
3024 skb_put(skb, sizeof(tf->u.setup_req));
3025 tf->u.setup_req.dialog_token = dialog_token;
3026 tf->u.setup_req.capability =
3027 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3028
55de908a
JB		 3029 ieee80211_add_srates_ie(sdata, skb, false, band);
3030 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3031 ieee80211_tdls_add_ext_capab(skb);
3032 break;
3033 case WLAN_TDLS_SETUP_RESPONSE:
3034 tf->category = WLAN_CATEGORY_TDLS;
3035 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3036
3037 skb_put(skb, sizeof(tf->u.setup_resp));
3038 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3039 tf->u.setup_resp.dialog_token = dialog_token;
3040 tf->u.setup_resp.capability =
3041 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3042
55de908a
JB		 3043 ieee80211_add_srates_ie(sdata, skb, false, band);
3044 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3045 ieee80211_tdls_add_ext_capab(skb);
3046 break;
3047 case WLAN_TDLS_SETUP_CONFIRM:
3048 tf->category = WLAN_CATEGORY_TDLS;
3049 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3050
3051 skb_put(skb, sizeof(tf->u.setup_cfm));
3052 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3053 tf->u.setup_cfm.dialog_token = dialog_token;
3054 break;
3055 case WLAN_TDLS_TEARDOWN:
3056 tf->category = WLAN_CATEGORY_TDLS;
3057 tf->action_code = WLAN_TDLS_TEARDOWN;
3058
3059 skb_put(skb, sizeof(tf->u.teardown));
3060 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3061 break;
3062 case WLAN_TDLS_DISCOVERY_REQUEST:
3063 tf->category = WLAN_CATEGORY_TDLS;
3064 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3065
3066 skb_put(skb, sizeof(tf->u.discover_req));
3067 tf->u.discover_req.dialog_token = dialog_token;
3068 break;
3069 default:
3070 return -EINVAL;
3071 }
3072
3073 return 0;
3074}
3075
3076static int
3077ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3078 u8 *peer, u8 action_code, u8 dialog_token,
3079 u16 status_code, struct sk_buff *skb)
3080{
3081 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3082 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3083 struct ieee80211_mgmt *mgmt;
3084
3085 mgmt = (void *)skb_put(skb, 24);
3086 memset(mgmt, 0, 24);
3087 memcpy(mgmt->da, peer, ETH_ALEN);
3088 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3089 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3090
3091 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3092 IEEE80211_STYPE_ACTION);
3093
3094 switch (action_code) {
3095 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3096 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3097 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3098 mgmt->u.action.u.tdls_discover_resp.action_code =
3099 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3100 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3101 dialog_token;
3102 mgmt->u.action.u.tdls_discover_resp.capability =
3103 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3104
55de908a
JB		 3105 ieee80211_add_srates_ie(sdata, skb, false, band);
3106 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3107 ieee80211_tdls_add_ext_capab(skb);
3108 break;
3109 default:
3110 return -EINVAL;
3111 }
3112
3113 return 0;
3114}
3115
3116static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3117 u8 *peer, u8 action_code, u8 dialog_token,
3118 u16 status_code, const u8 *extra_ies,
3119 size_t extra_ies_len)
3120{
3121 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3122 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3123 struct sk_buff *skb = NULL;
3124 bool send_direct;
3125 int ret;
3126
3127 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3128 return -ENOTSUPP;
3129
3130 /* make sure we are in managed mode, and associated */
3131 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3132 !sdata->u.mgd.associated)
3133 return -EINVAL;
3134
bdcbd8e0
JB		 3135 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3136 action_code, peer);
dfe018bf
AN		 3137
3138 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3139 max(sizeof(struct ieee80211_mgmt),
3140 sizeof(struct ieee80211_tdls_data)) +
3141 50 + /* supported rates */
3142 7 + /* ext capab */
3143 extra_ies_len +
3144 sizeof(struct ieee80211_tdls_lnkie));
3145 if (!skb)
3146 return -ENOMEM;
3147
dfe018bf
AN		 3148 skb_reserve(skb, local->hw.extra_tx_headroom);
3149
3150 switch (action_code) {
3151 case WLAN_TDLS_SETUP_REQUEST:
3152 case WLAN_TDLS_SETUP_RESPONSE:
3153 case WLAN_TDLS_SETUP_CONFIRM:
3154 case WLAN_TDLS_TEARDOWN:
3155 case WLAN_TDLS_DISCOVERY_REQUEST:
3156 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3157 action_code, dialog_token,
3158 status_code, skb);
3159 send_direct = false;
3160 break;
3161 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3162 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3163 dialog_token, status_code,
3164 skb);
3165 send_direct = true;
3166 break;
3167 default:
3168 ret = -ENOTSUPP;
3169 break;
3170 }
3171
3172 if (ret < 0)
3173 goto fail;
3174
3175 if (extra_ies_len)
3176 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3177
3178 /* the TDLS link IE is always added last */
3179 switch (action_code) {
3180 case WLAN_TDLS_SETUP_REQUEST:
3181 case WLAN_TDLS_SETUP_CONFIRM:
3182 case WLAN_TDLS_TEARDOWN:
3183 case WLAN_TDLS_DISCOVERY_REQUEST:
3184 /* we are the initiator */
3185 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3186 sdata->u.mgd.bssid);
3187 break;
3188 case WLAN_TDLS_SETUP_RESPONSE:
3189 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3190 /* we are the responder */
3191 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3192 sdata->u.mgd.bssid);
3193 break;
3194 default:
3195 ret = -ENOTSUPP;
3196 goto fail;
3197 }
3198
3199 if (send_direct) {
3200 ieee80211_tx_skb(sdata, skb);
3201 return 0;
3202 }
3203
3204 /*
3205 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3206 * we should default to AC_VI.
3207 */
3208 switch (action_code) {
3209 case WLAN_TDLS_SETUP_REQUEST:
3210 case WLAN_TDLS_SETUP_RESPONSE:
3211 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3212 skb->priority = 2;
3213 break;
3214 default:
3215 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3216 skb->priority = 5;
3217 break;
3218 }
3219
3220 /* disable bottom halves when entering the Tx path */
3221 local_bh_disable();
3222 ret = ieee80211_subif_start_xmit(skb, dev);
3223 local_bh_enable();
3224
3225 return ret;
3226
3227fail:
3228 dev_kfree_skb(skb);
3229 return ret;
3230}
3231
3232static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3233 u8 *peer, enum nl80211_tdls_operation oper)
3234{
941c93cd 3235 struct sta_info *sta;
dfe018bf
AN		 3236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3237
3238 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3239 return -ENOTSUPP;
3240
3241 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3242 return -EINVAL;
3243
bdcbd8e0 3244 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3245
3246 switch (oper) {
3247 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3248 rcu_read_lock();
3249 sta = sta_info_get(sdata, peer);
3250 if (!sta) {
3251 rcu_read_unlock();
3252 return -ENOLINK;
3253 }
3254
c2c98fde 3255 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3256 rcu_read_unlock();
dfe018bf
AN		 3257 break;
3258 case NL80211_TDLS_DISABLE_LINK:
3259 return sta_info_destroy_addr(sdata, peer);
3260 case NL80211_TDLS_TEARDOWN:
3261 case NL80211_TDLS_SETUP:
3262 case NL80211_TDLS_DISCOVERY_REQ:
3263 /* We don't support in-driver setup/teardown/discovery */
3264 return -ENOTSUPP;
3265 default:
3266 return -ENOTSUPP;
3267 }
3268
3269 return 0;
3270}
3271
06500736
JB		 3272static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3273 const u8 *peer, u64 *cookie)
3274{
3275 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3276 struct ieee80211_local *local = sdata->local;
3277 struct ieee80211_qos_hdr *nullfunc;
3278 struct sk_buff *skb;
3279 int size = sizeof(*nullfunc);
3280 __le16 fc;
3281 bool qos;
3282 struct ieee80211_tx_info *info;
3283 struct sta_info *sta;
55de908a
JB		 3284 struct ieee80211_chanctx_conf *chanctx_conf;
3285 enum ieee80211_band band;
06500736
JB		 3286
3287 rcu_read_lock();
55de908a
JB		 3288 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3289 if (WARN_ON(!chanctx_conf)) {
3290 rcu_read_unlock();
3291 return -EINVAL;
3292 }
4bf88530 3293 band = chanctx_conf->def.chan->band;
06500736 3294 sta = sta_info_get(sdata, peer);
b4487c2d 3295 if (sta) {
06500736 3296 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3297 } else {
3298 rcu_read_unlock();
06500736 3299 return -ENOLINK;
b4487c2d 3300 }
06500736
JB		 3301
3302 if (qos) {
3303 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3304 IEEE80211_STYPE_QOS_NULLFUNC |
3305 IEEE80211_FCTL_FROMDS);
3306 } else {
3307 size -= 2;
3308 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3309 IEEE80211_STYPE_NULLFUNC |
3310 IEEE80211_FCTL_FROMDS);
3311 }
3312
3313 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3314 if (!skb) {
3315 rcu_read_unlock();
06500736 3316 return -ENOMEM;
55de908a 3317 }
06500736
JB		 3318
3319 skb->dev = dev;
3320
3321 skb_reserve(skb, local->hw.extra_tx_headroom);
3322
3323 nullfunc = (void *) skb_put(skb, size);
3324 nullfunc->frame_control = fc;
3325 nullfunc->duration_id = 0;
3326 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3327 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3328 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3329 nullfunc->seq_ctrl = 0;
3330
3331 info = IEEE80211_SKB_CB(skb);
3332
3333 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3334 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3335
3336 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3337 skb->priority = 7;
3338 if (qos)
3339 nullfunc->qos_ctrl = cpu_to_le16(7);
3340
3341 local_bh_disable();
55de908a 3342 ieee80211_xmit(sdata, skb, band);
06500736 3343 local_bh_enable();
55de908a 3344 rcu_read_unlock();
06500736
JB		 3345
3346 *cookie = (unsigned long) skb;
3347 return 0;
3348}
3349
683b6d3b
JB		 3350static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3351 struct wireless_dev *wdev,
3352 struct cfg80211_chan_def *chandef)
5b7ccaf3 3353{
55de908a 3354 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3355 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3356 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3357 int ret = -ENODATA;
55de908a
JB		 3358
3359 rcu_read_lock();
feda3027
JB		 3360 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3361 if (chanctx_conf) {
3362 *chandef = chanctx_conf->def;
3363 ret = 0;
3364 } else if (local->open_count > 0 &&
3365 local->open_count == local->monitors &&
3366 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3367 if (local->use_chanctx)
3368 *chandef = local->monitor_chandef;
3369 else
675a0b04 3370 *chandef = local->_oper_chandef;
683b6d3b 3371 ret = 0;
55de908a
JB		 3372 }
3373 rcu_read_unlock();
5b7ccaf3 3374
683b6d3b 3375 return ret;
5b7ccaf3
JB		 3376}
3377
6d52563f
JB		 3378#ifdef CONFIG_PM
3379static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3380{
3381 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3382}
3383#endif
3384
f0706e82
JB		 3385struct cfg80211_ops mac80211_config_ops = {
3386 .add_virtual_intf = ieee80211_add_iface,
3387 .del_virtual_intf = ieee80211_del_iface,
42613db7 3388 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3389 .start_p2p_device = ieee80211_start_p2p_device,
3390 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3391 .add_key = ieee80211_add_key,
3392 .del_key = ieee80211_del_key,
62da92fb 3393 .get_key = ieee80211_get_key,
e8cbb4cb 3394 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3395 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3396 .start_ap = ieee80211_start_ap,
3397 .change_beacon = ieee80211_change_beacon,
3398 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3399 .add_station = ieee80211_add_station,
3400 .del_station = ieee80211_del_station,
3401 .change_station = ieee80211_change_station,
7bbdd2d9 3402 .get_station = ieee80211_get_station,
c5dd9c2b 3403 .dump_station = ieee80211_dump_station,
1289723e 3404 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3405#ifdef CONFIG_MAC80211_MESH
3406 .add_mpath = ieee80211_add_mpath,
3407 .del_mpath = ieee80211_del_mpath,
3408 .change_mpath = ieee80211_change_mpath,
3409 .get_mpath = ieee80211_get_mpath,
3410 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3411 .update_mesh_config = ieee80211_update_mesh_config,
3412 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3413 .join_mesh = ieee80211_join_mesh,
3414 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3415#endif
9f1ba906 3416 .change_bss = ieee80211_change_bss,
31888487 3417 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3418 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3419 .suspend = ieee80211_suspend,
3420 .resume = ieee80211_resume,
2a519311 3421 .scan = ieee80211_scan,
79f460ca
LC		 3422 .sched_scan_start = ieee80211_sched_scan_start,
3423 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3424 .auth = ieee80211_auth,
3425 .assoc = ieee80211_assoc,
3426 .deauth = ieee80211_deauth,
3427 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3428 .join_ibss = ieee80211_join_ibss,
3429 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3430 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3431 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3432 .set_tx_power = ieee80211_set_tx_power,
3433 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3434 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3435 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3436 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3437 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3438 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3439 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3440 .remain_on_channel = ieee80211_remain_on_channel,
3441 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3442 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3443 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3444 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3445 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3446 .set_antenna = ieee80211_set_antenna,
3447 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3448 .set_ringparam = ieee80211_set_ringparam,
3449 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3450 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3451 .tdls_oper = ieee80211_tdls_oper,
3452 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3453 .probe_client = ieee80211_probe_client,
b53be792 3454 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3455#ifdef CONFIG_PM
3456 .set_wakeup = ieee80211_set_wakeup,
3457#endif
b1ab7925
BG		 3458 .get_et_sset_count = ieee80211_get_et_sset_count,
3459 .get_et_stats = ieee80211_get_et_stats,
3460 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3461 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3462 .start_radar_detection = ieee80211_start_radar_detection,
f0706e82 3463};
Linux 6.x block layer and io_uring tree(s)