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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[GitHub/mt8127/android_kernel_alcatel_ttab.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);
8ceb5955 1046 synchronize_net();
75de9113 1047 rcu_barrier();
7b4396bd 1048 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1049 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1050 ieee80211_free_keys(vlan);
1051 }
75de9113 1052 sta_info_flush_cleanup(sdata);
7b4396bd 1053 ieee80211_free_keys(sdata);
75de9113 1054
d6a83228 1055 sdata->vif.bss_conf.enable_beacon = false;
0eabccd9 1056 sdata->vif.bss_conf.ssid_len = 0;
d6a83228 1057 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1058 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1059
a6b368f6
SW		 1060 if (sdata->wdev.cac_started) {
1061 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1062 cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
1063 GFP_KERNEL);
1064 }
1065
1041638f
JB		 1066 drv_stop_ap(sdata->local, sdata);
1067
7b20b8e8
JB		 1068 /* free all potentially still buffered bcast frames */
1069 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1070 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1071
1f4ac5a6 1072 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1073 ieee80211_vif_release_channel(sdata);
1074
2d0ddec5 1075 return 0;
5dfdaf58
JB		 1076}
1077
4fd6931e
JB		 1078/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1079struct iapp_layer2_update {
1080 u8 da[ETH_ALEN]; /* broadcast */
1081 u8 sa[ETH_ALEN]; /* STA addr */
1082 __be16 len; /* 6 */
1083 u8 dsap; /* 0 */
1084 u8 ssap; /* 0 */
1085 u8 control;
1086 u8 xid_info[3];
bc10502d 1087} __packed;
4fd6931e
JB		 1088
1089static void ieee80211_send_layer2_update(struct sta_info *sta)
1090{
1091 struct iapp_layer2_update *msg;
1092 struct sk_buff *skb;
1093
1094 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1095 * bridge devices */
1096
1097 skb = dev_alloc_skb(sizeof(*msg));
1098 if (!skb)
1099 return;
1100 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1101
1102 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1103 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1104
e83e6541 1105 eth_broadcast_addr(msg->da);
17741cdc 1106 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1107 msg->len = htons(6);
1108 msg->dsap = 0;
1109 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1110 msg->control = 0xaf; /* XID response lsb.1111F101.
1111 * F=0 (no poll command; unsolicited frame) */
1112 msg->xid_info[0] = 0x81; /* XID format identifier */
1113 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1114 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1115
d0709a65
JB		 1116 skb->dev = sta->sdata->dev;
1117 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1118 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1119 netif_rx_ni(skb);
4fd6931e
JB		 1120}
1121
d582cffb
JB		 1122static int sta_apply_auth_flags(struct ieee80211_local *local,
1123 struct sta_info *sta,
1124 u32 mask, u32 set)
1125{
1126 int ret;
1127
1128 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1129 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1130 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1131 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1132 if (ret)
1133 return ret;
1134 }
1135
1136 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1137 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1138 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1139 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1140 if (ret)
1141 return ret;
1142 }
1143
1144 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1145 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1146 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1147 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1148 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1149 else
1150 ret = 0;
1151 if (ret)
1152 return ret;
1153 }
1154
1155 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1156 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1157 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1158 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1159 if (ret)
1160 return ret;
1161 }
1162
1163 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1164 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1165 test_sta_flag(sta, WLAN_STA_AUTH)) {
1166 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1167 if (ret)
1168 return ret;
1169 }
1170
1171 return 0;
1172}
1173
d9a7ddb0
JB		 1174static int sta_apply_parameters(struct ieee80211_local *local,
1175 struct sta_info *sta,
1176 struct station_parameters *params)
4fd6931e 1177{
d9a7ddb0 1178 int ret = 0;
4fd6931e
JB		 1179 u32 rates;
1180 int i, j;
8318d78a 1181 struct ieee80211_supported_band *sband;
d0709a65 1182 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1183 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1184 u32 mask, set;
4fd6931e 1185
55de908a 1186 sband = local->hw.wiphy->bands[band];
ae5eb026 1187
eccb8e8f
JB		 1188 mask = params->sta_flags_mask;
1189 set = params->sta_flags_set;
73651ee6 1190
d582cffb
JB		 1191 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1192 /*
1193 * In mesh mode, ASSOCIATED isn't part of the nl80211
1194 * API but must follow AUTHENTICATED for driver state.
1195 */
1196 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1197 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1198 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1199 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1200 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1201 /*
1202 * TDLS -- everything follows authorized, but
1203 * only becoming authorized is possible, not
1204 * going back
1205 */
1206 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1207 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1208 BIT(NL80211_STA_FLAG_ASSOCIATED);
1209 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1210 BIT(NL80211_STA_FLAG_ASSOCIATED);
1211 }
eccb8e8f 1212 }
4fd6931e 1213
d582cffb
JB		 1214 ret = sta_apply_auth_flags(local, sta, mask, set);
1215 if (ret)
1216 return ret;
d9a7ddb0 1217
eccb8e8f 1218 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1219 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1220 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1221 else
1222 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1223 }
4fd6931e 1224
eccb8e8f 1225 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1226 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1227 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1228 sta->sta.wme = true;
c2c98fde
JB		 1229 } else {
1230 clear_sta_flag(sta, WLAN_STA_WME);
1231 sta->sta.wme = false;
39df600a 1232 }
eccb8e8f 1233 }
5394af4d 1234
eccb8e8f 1235 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1236 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1237 set_sta_flag(sta, WLAN_STA_MFP);
1238 else
1239 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1240 }
b39c48fa 1241
07ba55d7 1242 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1243 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1244 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1245 else
1246 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1247 }
4fd6931e 1248
3b9ce80c
JB		 1249 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1250 sta->sta.uapsd_queues = params->uapsd_queues;
1251 sta->sta.max_sp = params->max_sp;
1252 }
9533b4ac 1253
51b50fbe
JB		 1254 /*
1255 * cfg80211 validates this (1-2007) and allows setting the AID
1256 * only when creating a new station entry
1257 */
1258 if (params->aid)
1259 sta->sta.aid = params->aid;
1260
73651ee6 1261 /*
ba23d206
JB		 1262 * Some of the following updates would be racy if called on an
1263 * existing station, via ieee80211_change_station(). However,
1264 * all such changes are rejected by cfg80211 except for updates
1265 * changing the supported rates on an existing but not yet used
1266 * TDLS peer.
73651ee6
JB		 1267 */
1268
4fd6931e
JB		 1269 if (params->listen_interval >= 0)
1270 sta->listen_interval = params->listen_interval;
1271
1272 if (params->supported_rates) {
1273 rates = 0;
8318d78a 1274
4fd6931e
JB		 1275 for (i = 0; i < params->supported_rates_len; i++) {
1276 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1277 for (j = 0; j < sband->n_bitrates; j++) {
1278 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1279 rates |= BIT(j);
1280 }
1281 }
55de908a 1282 sta->sta.supp_rates[band] = rates;
4fd6931e 1283 }
c5dd9c2b 1284
d9fe60de 1285 if (params->ht_capa)
ef96a842 1286 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1287 params->ht_capa, sta);
36aedc90 1288
f461be3e
MP		 1289 if (params->vht_capa)
1290 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1291 params->vht_capa, sta);
f461be3e 1292
9c3990aa 1293 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1294#ifdef CONFIG_MAC80211_MESH
39886b61 1295 u32 changed = 0;
77ee7c89
JB		 1296
1297 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1298 switch (params->plink_state) {
57cf8043 1299 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1300 if (sta->plink_state != NL80211_PLINK_ESTAB)
1301 changed = mesh_plink_inc_estab_count(
1302 sdata);
1303 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1304
1305 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1306 changed |= ieee80211_mps_set_sta_local_pm(sta,
1307 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1308 break;
1309 case NL80211_PLINK_LISTEN:
57cf8043 1310 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1311 case NL80211_PLINK_OPN_SNT:
1312 case NL80211_PLINK_OPN_RCVD:
1313 case NL80211_PLINK_CNF_RCVD:
1314 case NL80211_PLINK_HOLDING:
1315 if (sta->plink_state == NL80211_PLINK_ESTAB)
1316 changed = mesh_plink_dec_estab_count(
1317 sdata);
9c3990aa 1318 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1319
1320 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1321 changed |=
1322 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1323 break;
1324 default:
1325 /* nothing */
1326 break;
1327 }
77ee7c89
JB		 1328 }
1329
1330 switch (params->plink_action) {
1331 case NL80211_PLINK_ACTION_NO_ACTION:
1332 /* nothing */
1333 break;
1334 case NL80211_PLINK_ACTION_OPEN:
1335 changed |= mesh_plink_open(sta);
1336 break;
1337 case NL80211_PLINK_ACTION_BLOCK:
1338 changed |= mesh_plink_block(sta);
1339 break;
1617bab8 1340 }
3f52b7e3
MP		 1341
1342 if (params->local_pm)
39886b61
TP		 1343 changed |=
1344 ieee80211_mps_set_sta_local_pm(sta,
1345 params->local_pm);
1346 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1347#endif
902acc78 1348 }
d9a7ddb0
JB		 1349
1350 return 0;
4fd6931e
JB		 1351}
1352
1353static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1354 u8 *mac, struct station_parameters *params)
1355{
14db74bc 1356 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1357 struct sta_info *sta;
1358 struct ieee80211_sub_if_data *sdata;
73651ee6 1359 int err;
b8d476c8 1360 int layer2_update;
4fd6931e 1361
4fd6931e
JB		 1362 if (params->vlan) {
1363 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1364
05c914fe
JB		 1365 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1366 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1367 return -EINVAL;
1368 } else
1369 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1370
b203ca39 1371 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1372 return -EINVAL;
1373
1374 if (is_multicast_ether_addr(mac))
1375 return -EINVAL;
1376
1377 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1378 if (!sta)
1379 return -ENOMEM;
4fd6931e 1380
d582cffb
JB		 1381 /*
1382 * defaults -- if userspace wants something else we'll
1383 * change it accordingly in sta_apply_parameters()
1384 */
77ee7c89
JB		 1385 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1386 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1387 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1388 }
4fd6931e 1389
d9a7ddb0
JB		 1390 err = sta_apply_parameters(local, sta, params);
1391 if (err) {
1392 sta_info_free(local, sta);
1393 return err;
1394 }
4fd6931e 1395
d64cf63e 1396 /*
77ee7c89
JB		 1397 * for TDLS, rate control should be initialized only when
1398 * rates are known and station is marked authorized
d64cf63e
AN		 1399 */
1400 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1401 rate_control_rate_init(sta);
4fd6931e 1402
b8d476c8
JM		 1403 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1404 sdata->vif.type == NL80211_IFTYPE_AP;
1405
34e89507 1406 err = sta_info_insert_rcu(sta);
73651ee6 1407 if (err) {
73651ee6
JB		 1408 rcu_read_unlock();
1409 return err;
1410 }
1411
b8d476c8 1412 if (layer2_update)
73651ee6
JB		 1413 ieee80211_send_layer2_update(sta);
1414
1415 rcu_read_unlock();
1416
4fd6931e
JB		 1417 return 0;
1418}
1419
1420static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1421 u8 *mac)
1422{
14db74bc 1423 struct ieee80211_sub_if_data *sdata;
4fd6931e 1424
14db74bc
JB		 1425 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1426
34e89507
JB		 1427 if (mac)
1428 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1429
b998e8bb 1430 sta_info_flush(sdata);
4fd6931e
JB		 1431 return 0;
1432}
1433
1434static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1435 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1436 struct station_parameters *params)
1437{
abe60632 1438 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1439 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1440 struct sta_info *sta;
1441 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1442 enum cfg80211_station_type statype;
35b88623 1443 int err;
4fd6931e 1444
87be1e1e 1445 mutex_lock(&local->sta_mtx);
98dd6a57 1446
0e5ded5a 1447 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1448 if (!sta) {
77ee7c89
JB		 1449 err = -ENOENT;
1450 goto out_err;
98dd6a57 1451 }
4fd6931e 1452
77ee7c89
JB		 1453 switch (sdata->vif.type) {
1454 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1455 if (sdata->u.mesh.user_mpm)
eef941e6 1456 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1457 else
eef941e6 1458 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1459 break;
1460 case NL80211_IFTYPE_ADHOC:
1461 statype = CFG80211_STA_IBSS;
1462 break;
1463 case NL80211_IFTYPE_STATION:
1464 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1465 statype = CFG80211_STA_AP_STA;
1466 break;
1467 }
1468 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1469 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1470 else
1471 statype = CFG80211_STA_TDLS_PEER_SETUP;
1472 break;
1473 case NL80211_IFTYPE_AP:
1474 case NL80211_IFTYPE_AP_VLAN:
1475 statype = CFG80211_STA_AP_CLIENT;
1476 break;
1477 default:
1478 err = -EOPNOTSUPP;
1479 goto out_err;
bdd90d5e
JB		 1480 }
1481
77ee7c89
JB		 1482 err = cfg80211_check_station_change(wiphy, params, statype);
1483 if (err)
1484 goto out_err;
1485
d0709a65 1486 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1487 bool prev_4addr = false;
1488 bool new_4addr = false;
1489
4fd6931e
JB		 1490 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1491
9bc383de 1492 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1493 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1494 err = -EBUSY;
1495 goto out_err;
3305443c 1496 }
f14543ee 1497
cf778b00 1498 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1499 new_4addr = true;
1500 }
1501
1502 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1503 sta->sdata->u.vlan.sta) {
1504 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1505 prev_4addr = true;
f14543ee
FF		 1506 }
1507
14db74bc 1508 sta->sdata = vlansdata;
7e3ed02c
FF		 1509
1510 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1511 prev_4addr != new_4addr) {
1512 if (new_4addr)
1513 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1514 else
1515 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1516 }
1517
4fd6931e
JB		 1518 ieee80211_send_layer2_update(sta);
1519 }
1520
35b88623 1521 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1522 if (err)
1523 goto out_err;
4fd6931e 1524
77ee7c89
JB		 1525 /* When peer becomes authorized, init rate control as well */
1526 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1527 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1528 rate_control_rate_init(sta);
1529
87be1e1e 1530 mutex_unlock(&local->sta_mtx);
98dd6a57 1531
808118cb 1532 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1533 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1534 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1535 ieee80211_recalc_ps_vif(sdata);
1536 }
77ee7c89 1537
4fd6931e 1538 return 0;
77ee7c89
JB		 1539out_err:
1540 mutex_unlock(&local->sta_mtx);
1541 return err;
4fd6931e
JB		 1542}
1543
c5dd9c2b
LCC		 1544#ifdef CONFIG_MAC80211_MESH
1545static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1546 u8 *dst, u8 *next_hop)
1547{
14db74bc 1548 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1549 struct mesh_path *mpath;
1550 struct sta_info *sta;
c5dd9c2b 1551
14db74bc
JB		 1552 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1553
d0709a65 1554 rcu_read_lock();
abe60632 1555 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1556 if (!sta) {
1557 rcu_read_unlock();
c5dd9c2b 1558 return -ENOENT;
d0709a65 1559 }
c5dd9c2b 1560
ae76eef0
BC		 1561 mpath = mesh_path_add(sdata, dst);
1562 if (IS_ERR(mpath)) {
d0709a65 1563 rcu_read_unlock();
ae76eef0 1564 return PTR_ERR(mpath);
d0709a65 1565 }
c5dd9c2b 1566
c5dd9c2b 1567 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1568
c5dd9c2b
LCC		 1569 rcu_read_unlock();
1570 return 0;
1571}
1572
1573static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1574 u8 *dst)
c5dd9c2b 1575{
f698d856
JBG		 1576 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1577
c5dd9c2b 1578 if (dst)
bf7cd94d 1579 return mesh_path_del(sdata, dst);
c5dd9c2b 1580
ece1a2e7 1581 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1582 return 0;
1583}
1584
1585static int ieee80211_change_mpath(struct wiphy *wiphy,
1586 struct net_device *dev,
1587 u8 *dst, u8 *next_hop)
1588{
14db74bc 1589 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1590 struct mesh_path *mpath;
1591 struct sta_info *sta;
1592
14db74bc
JB		 1593 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1594
d0709a65
JB		 1595 rcu_read_lock();
1596
abe60632 1597 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1598 if (!sta) {
1599 rcu_read_unlock();
c5dd9c2b 1600 return -ENOENT;
d0709a65 1601 }
c5dd9c2b 1602
bf7cd94d 1603 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1604 if (!mpath) {
1605 rcu_read_unlock();
c5dd9c2b
LCC		 1606 return -ENOENT;
1607 }
1608
1609 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1610
c5dd9c2b
LCC		 1611 rcu_read_unlock();
1612 return 0;
1613}
1614
1615static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1616 struct mpath_info *pinfo)
1617{
a3836e02
JB		 1618 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1619
1620 if (next_hop_sta)
1621 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1622 else
1623 memset(next_hop, 0, ETH_ALEN);
1624
7ce8c7a3
LAYS		 1625 memset(pinfo, 0, sizeof(*pinfo));
1626
f5ea9120
JB		 1627 pinfo->generation = mesh_paths_generation;
1628
c5dd9c2b 1629 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1630 MPATH_INFO_SN |
c5dd9c2b
LCC		 1631 MPATH_INFO_METRIC |
1632 MPATH_INFO_EXPTIME |
1633 MPATH_INFO_DISCOVERY_TIMEOUT |
1634 MPATH_INFO_DISCOVERY_RETRIES |
1635 MPATH_INFO_FLAGS;
1636
1637 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1638 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1639 pinfo->metric = mpath->metric;
1640 if (time_before(jiffies, mpath->exp_time))
1641 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1642 pinfo->discovery_timeout =
1643 jiffies_to_msecs(mpath->discovery_timeout);
1644 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1645 if (mpath->flags & MESH_PATH_ACTIVE)
1646 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1647 if (mpath->flags & MESH_PATH_RESOLVING)
1648 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1649 if (mpath->flags & MESH_PATH_SN_VALID)
1650 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1651 if (mpath->flags & MESH_PATH_FIXED)
1652 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1653 if (mpath->flags & MESH_PATH_RESOLVED)
1654 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1655}
1656
1657static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1658 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1659
1660{
14db74bc 1661 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1662 struct mesh_path *mpath;
1663
14db74bc
JB		 1664 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1665
c5dd9c2b 1666 rcu_read_lock();
bf7cd94d 1667 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1668 if (!mpath) {
1669 rcu_read_unlock();
1670 return -ENOENT;
1671 }
1672 memcpy(dst, mpath->dst, ETH_ALEN);
1673 mpath_set_pinfo(mpath, next_hop, pinfo);
1674 rcu_read_unlock();
1675 return 0;
1676}
1677
1678static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1679 int idx, u8 *dst, u8 *next_hop,
1680 struct mpath_info *pinfo)
1681{
14db74bc 1682 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1683 struct mesh_path *mpath;
1684
14db74bc
JB		 1685 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1686
c5dd9c2b 1687 rcu_read_lock();
bf7cd94d 1688 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1689 if (!mpath) {
1690 rcu_read_unlock();
1691 return -ENOENT;
1692 }
1693 memcpy(dst, mpath->dst, ETH_ALEN);
1694 mpath_set_pinfo(mpath, next_hop, pinfo);
1695 rcu_read_unlock();
1696 return 0;
1697}
93da9cc1 1698
24bdd9f4 1699static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1700 struct net_device *dev,
1701 struct mesh_config *conf)
1702{
1703 struct ieee80211_sub_if_data *sdata;
1704 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1705
93da9cc1 1706 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1707 return 0;
1708}
1709
1710static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1711{
1712 return (mask >> (parm-1)) & 0x1;
1713}
1714
c80d545d
JC		 1715static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1716 const struct mesh_setup *setup)
1717{
1718 u8 *new_ie;
1719 const u8 *old_ie;
4bb62344
CYY		 1720 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1721 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1722
581a8b0f 1723 /* allocate information elements */
c80d545d 1724 new_ie = NULL;
581a8b0f 1725 old_ie = ifmsh->ie;
c80d545d 1726
581a8b0f
JC		 1727 if (setup->ie_len) {
1728 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1729 GFP_KERNEL);
1730 if (!new_ie)
1731 return -ENOMEM;
1732 }
581a8b0f
JC		 1733 ifmsh->ie_len = setup->ie_len;
1734 ifmsh->ie = new_ie;
1735 kfree(old_ie);
c80d545d
JC		 1736
1737 /* now copy the rest of the setup parameters */
1738 ifmsh->mesh_id_len = setup->mesh_id_len;
1739 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1740 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1741 ifmsh->mesh_pp_id = setup->path_sel_proto;
1742 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1743 ifmsh->user_mpm = setup->user_mpm;
b130e5ce
JC		 1744 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1745 if (setup->is_authenticated)
1746 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1747 if (setup->is_secure)
1748 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1749
4bb62344
CYY		 1750 /* mcast rate setting in Mesh Node */
1751 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1752 sizeof(setup->mcast_rate));
1753
9bdbf04d
MP		 1754 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1755 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1756
c80d545d
JC		 1757 return 0;
1758}
1759
24bdd9f4 1760static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1761 struct net_device *dev, u32 mask,
1762 const struct mesh_config *nconf)
93da9cc1 1763{
1764 struct mesh_config *conf;
1765 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1766 struct ieee80211_if_mesh *ifmsh;
1767
93da9cc1 1768 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1769 ifmsh = &sdata->u.mesh;
93da9cc1 1770
93da9cc1 1771 /* Set the config options which we are interested in setting */
1772 conf = &(sdata->u.mesh.mshcfg);
1773 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1774 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1775 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1776 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1778 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1779 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1780 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1781 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1782 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1783 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1784 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1785 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1786 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1787 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1788 if (ifmsh->user_mpm)
1789 return -EBUSY;
93da9cc1 1790 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1791 }
d299a1f2
JC		 1792 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1793 conf->dot11MeshNbrOffsetMaxNeighbor =
1794 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1795 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1796 conf->dot11MeshHWMPmaxPREQretries =
1797 nconf->dot11MeshHWMPmaxPREQretries;
1798 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1799 conf->path_refresh_time = nconf->path_refresh_time;
1800 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1801 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1802 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1803 conf->dot11MeshHWMPactivePathTimeout =
1804 nconf->dot11MeshHWMPactivePathTimeout;
1805 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1806 conf->dot11MeshHWMPpreqMinInterval =
1807 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1808 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1809 conf->dot11MeshHWMPperrMinInterval =
1810 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1811 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1812 mask))
1813 conf->dot11MeshHWMPnetDiameterTraversalTime =
1814 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1815 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1816 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1817 ieee80211_mesh_root_setup(ifmsh);
1818 }
16dd7267 1819 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1820 /* our current gate announcement implementation rides on root
1821 * announcements, so require this ifmsh to also be a root node
1822 * */
1823 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1824 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1825 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1826 ieee80211_mesh_root_setup(ifmsh);
1827 }
16dd7267
JC		 1828 conf->dot11MeshGateAnnouncementProtocol =
1829 nconf->dot11MeshGateAnnouncementProtocol;
1830 }
a4f606ea 1831 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1832 conf->dot11MeshHWMPRannInterval =
1833 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1834 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1835 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1836 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1837 /* our RSSI threshold implementation is supported only for
1838 * devices that report signal in dBm.
1839 */
1840 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1841 return -ENOTSUPP;
1842 conf->rssi_threshold = nconf->rssi_threshold;
1843 }
70c33eaa
AN		 1844 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1845 conf->ht_opmode = nconf->ht_opmode;
1846 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1847 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1848 }
ac1073a6
CYY		 1849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1850 conf->dot11MeshHWMPactivePathToRootTimeout =
1851 nconf->dot11MeshHWMPactivePathToRootTimeout;
1852 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1853 conf->dot11MeshHWMProotInterval =
1854 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1855 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1856 conf->dot11MeshHWMPconfirmationInterval =
1857 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1858 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1859 conf->power_mode = nconf->power_mode;
1860 ieee80211_mps_local_status_update(sdata);
1861 }
2b5e1967 1862 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1863 conf->dot11MeshAwakeWindowDuration =
1864 nconf->dot11MeshAwakeWindowDuration;
2b5e1967 1865 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1866 return 0;
1867}
1868
29cbe68c
JB		 1869static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1870 const struct mesh_config *conf,
1871 const struct mesh_setup *setup)
1872{
1873 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1874 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1875 int err;
29cbe68c 1876
c80d545d
JC		 1877 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1878 err = copy_mesh_setup(ifmsh, setup);
1879 if (err)
1880 return err;
cc1d2806 1881
04ecd257
JB		 1882 /* can mesh use other SMPS modes? */
1883 sdata->smps_mode = IEEE80211_SMPS_OFF;
1884 sdata->needed_rx_chains = sdata->local->rx_chains;
1885
4bf88530 1886 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1887 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1888 if (err)
1889 return err;
1890
2b5e1967 1891 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1892}
1893
1894static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1895{
1896 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1897
1898 ieee80211_stop_mesh(sdata);
55de908a 1899 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1900
1901 return 0;
1902}
c5dd9c2b
LCC		 1903#endif
1904
9f1ba906
JM		 1905static int ieee80211_change_bss(struct wiphy *wiphy,
1906 struct net_device *dev,
1907 struct bss_parameters *params)
1908{
55de908a
JB		 1909 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1910 enum ieee80211_band band;
9f1ba906
JM		 1911 u32 changed = 0;
1912
55de908a
JB		 1913 if (!rtnl_dereference(sdata->u.ap.beacon))
1914 return -ENOENT;
1915
1916 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1917
9f1ba906 1918 if (params->use_cts_prot >= 0) {
bda3933a 1919 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1920 changed |= BSS_CHANGED_ERP_CTS_PROT;
1921 }
1922 if (params->use_short_preamble >= 0) {
bda3933a 1923 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1924 params->use_short_preamble;
1925 changed |= BSS_CHANGED_ERP_PREAMBLE;
1926 }
43d35343
FF		 1927
1928 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1929 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1930 sdata->vif.bss_conf.use_short_slot = true;
1931 changed |= BSS_CHANGED_ERP_SLOT;
1932 }
1933
9f1ba906 1934 if (params->use_short_slot_time >= 0) {
bda3933a 1935 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1936 params->use_short_slot_time;
1937 changed |= BSS_CHANGED_ERP_SLOT;
1938 }
1939
90c97a04
JM		 1940 if (params->basic_rates) {
1941 int i, j;
1942 u32 rates = 0;
55de908a 1943 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1944
1945 for (i = 0; i < params->basic_rates_len; i++) {
1946 int rate = (params->basic_rates[i] & 0x7f) * 5;
1947 for (j = 0; j < sband->n_bitrates; j++) {
1948 if (sband->bitrates[j].bitrate == rate)
1949 rates |= BIT(j);
1950 }
1951 }
1952 sdata->vif.bss_conf.basic_rates = rates;
1953 changed |= BSS_CHANGED_BASIC_RATES;
1954 }
1955
7b7b5e56
FF		 1956 if (params->ap_isolate >= 0) {
1957 if (params->ap_isolate)
1958 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1959 else
1960 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1961 }
1962
80d7e403
HS		 1963 if (params->ht_opmode >= 0) {
1964 sdata->vif.bss_conf.ht_operation_mode =
1965 (u16) params->ht_opmode;
1966 changed |= BSS_CHANGED_HT;
1967 }
1968
339afbf4 1969 if (params->p2p_ctwindow >= 0) {
67baf663
JD		 1970 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1971 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1972 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1973 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
339afbf4
JB		 1974 changed |= BSS_CHANGED_P2P_PS;
1975 }
1976
67baf663
JD		 1977 if (params->p2p_opp_ps > 0) {
1978 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1979 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1980 changed |= BSS_CHANGED_P2P_PS;
1981 } else if (params->p2p_opp_ps == 0) {
1982 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1983 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
339afbf4
JB		 1984 changed |= BSS_CHANGED_P2P_PS;
1985 }
1986
9f1ba906
JM		 1987 ieee80211_bss_info_change_notify(sdata, changed);
1988
1989 return 0;
1990}
1991
31888487 1992static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1993 struct net_device *dev,
31888487
JM		 1994 struct ieee80211_txq_params *params)
1995{
1996 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1997 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1998 struct ieee80211_tx_queue_params p;
1999
2000 if (!local->ops->conf_tx)
2001 return -EOPNOTSUPP;
2002
54bcbc69
JB		 2003 if (local->hw.queues < IEEE80211_NUM_ACS)
2004 return -EOPNOTSUPP;
2005
31888487
JM		 2006 memset(&p, 0, sizeof(p));
2007 p.aifs = params->aifs;
2008 p.cw_max = params->cwmax;
2009 p.cw_min = params->cwmin;
2010 p.txop = params->txop;
ab13315a
KV		 2011
2012 /*
2013 * Setting tx queue params disables u-apsd because it's only
2014 * called in master mode.
2015 */
2016 p.uapsd = false;
2017
a3304b0a
JB		 2018 sdata->tx_conf[params->ac] = p;
2019 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2020 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2021 "failed to set TX queue parameters for AC %d\n",
2022 params->ac);
31888487
JM		 2023 return -EINVAL;
2024 }
2025
7d25745d
JB		 2026 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2027
31888487
JM		 2028 return 0;
2029}
2030
665af4fc 2031#ifdef CONFIG_PM
ff1b6e69
JB		 2032static int ieee80211_suspend(struct wiphy *wiphy,
2033 struct cfg80211_wowlan *wowlan)
665af4fc 2034{
eecc4800 2035 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2036}
2037
2038static int ieee80211_resume(struct wiphy *wiphy)
2039{
2040 return __ieee80211_resume(wiphy_priv(wiphy));
2041}
2042#else
2043#define ieee80211_suspend NULL
2044#define ieee80211_resume NULL
2045#endif
2046
2a519311 2047static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2048 struct cfg80211_scan_request *req)
2049{
fd014284
JB		 2050 struct ieee80211_sub_if_data *sdata;
2051
2052 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2053
2ca27bcf
JB		 2054 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2055 case NL80211_IFTYPE_STATION:
2056 case NL80211_IFTYPE_ADHOC:
2057 case NL80211_IFTYPE_MESH_POINT:
2058 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2059 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2060 break;
2061 case NL80211_IFTYPE_P2P_GO:
2062 if (sdata->local->ops->hw_scan)
2063 break;
e9d7732e
JB		 2064 /*
2065 * FIXME: implement NoA while scanning in software,
2066 * for now fall through to allow scanning only when
2067 * beaconing hasn't been configured yet
2068 */
2ca27bcf 2069 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2070 /*
2071 * If the scan has been forced (and the driver supports
2072 * forcing), don't care about being beaconing already.
2073 * This will create problems to the attached stations (e.g. all
2074 * the frames sent while scanning on other channel will be
2075 * lost)
2076 */
2077 if (sdata->u.ap.beacon &&
2078 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2079 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2080 return -EOPNOTSUPP;
2081 break;
2082 default:
2083 return -EOPNOTSUPP;
2084 }
2a519311
JB		 2085
2086 return ieee80211_request_scan(sdata, req);
2087}
2088
79f460ca
LC		 2089static int
2090ieee80211_sched_scan_start(struct wiphy *wiphy,
2091 struct net_device *dev,
2092 struct cfg80211_sched_scan_request *req)
2093{
2094 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2095
2096 if (!sdata->local->ops->sched_scan_start)
2097 return -EOPNOTSUPP;
2098
2099 return ieee80211_request_sched_scan_start(sdata, req);
2100}
2101
2102static int
85a9994a 2103ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2104{
2105 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2106
2107 if (!sdata->local->ops->sched_scan_stop)
2108 return -EOPNOTSUPP;
2109
85a9994a 2110 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2111}
2112
636a5d36
JM		 2113static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2114 struct cfg80211_auth_request *req)
2115{
77fdaa12 2116 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2117}
2118
2119static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2120 struct cfg80211_assoc_request *req)
2121{
77fdaa12 2122 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2123}
2124
2125static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2126 struct cfg80211_deauth_request *req)
636a5d36 2127{
63c9c5e7 2128 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2129}
2130
2131static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2132 struct cfg80211_disassoc_request *req)
636a5d36 2133{
63c9c5e7 2134 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2135}
2136
af8cdcd8
JB		 2137static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2138 struct cfg80211_ibss_params *params)
2139{
55de908a 2140 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2141}
2142
2143static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2144{
55de908a 2145 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2146}
2147
391e53e3
AQ		 2148static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2149 int rate[IEEE80211_NUM_BANDS])
2150{
2151 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2152
9887dbf5
CD		 2153 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2154 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2155
2156 return 0;
2157}
2158
b9a5f8ca
JM		 2159static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2160{
2161 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2162 int err;
b9a5f8ca 2163
f23a4780
AN		 2164 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2165 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2166
2167 if (err)
2168 return err;
2169 }
2170
310bc676
LT		 2171 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2172 err = drv_set_coverage_class(local, wiphy->coverage_class);
2173
2174 if (err)
2175 return err;
2176 }
2177
b9a5f8ca 2178 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2179 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2180
24487981
JB		 2181 if (err)
2182 return err;
b9a5f8ca
JM		 2183 }
2184
8bc83c24
JB		 2185 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2186 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2187 return -EINVAL;
b9a5f8ca 2188 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2189 }
2190 if (changed & WIPHY_PARAM_RETRY_LONG) {
2191 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2192 return -EINVAL;
b9a5f8ca 2193 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2194 }
b9a5f8ca
JM		 2195 if (changed &
2196 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2197 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2198
2199 return 0;
2200}
2201
7643a2c3 2202static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2203 struct wireless_dev *wdev,
fa61cf70 2204 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2205{
2206 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2207 struct ieee80211_sub_if_data *sdata;
7643a2c3 2208
1ea6f9c0
JB		 2209 if (wdev) {
2210 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2211
2212 switch (type) {
2213 case NL80211_TX_POWER_AUTOMATIC:
2214 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2215 break;
2216 case NL80211_TX_POWER_LIMITED:
2217 case NL80211_TX_POWER_FIXED:
2218 if (mbm < 0 || (mbm % 100))
2219 return -EOPNOTSUPP;
2220 sdata->user_power_level = MBM_TO_DBM(mbm);
2221 break;
2222 }
2223
2224 ieee80211_recalc_txpower(sdata);
2225
2226 return 0;
2227 }
55de908a 2228
7643a2c3 2229 switch (type) {
fa61cf70 2230 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2231 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2232 break;
fa61cf70 2233 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2234 case NL80211_TX_POWER_FIXED:
2235 if (mbm < 0 || (mbm % 100))
2236 return -EOPNOTSUPP;
fa61cf70 2237 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2238 break;
7643a2c3
JB		 2239 }
2240
1ea6f9c0
JB		 2241 mutex_lock(&local->iflist_mtx);
2242 list_for_each_entry(sdata, &local->interfaces, list)
2243 sdata->user_power_level = local->user_power_level;
2244 list_for_each_entry(sdata, &local->interfaces, list)
2245 ieee80211_recalc_txpower(sdata);
2246 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2247
2248 return 0;
2249}
2250
c8442118
JB		 2251static int ieee80211_get_tx_power(struct wiphy *wiphy,
2252 struct wireless_dev *wdev,
2253 int *dbm)
7643a2c3
JB		 2254{
2255 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2256 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2257
1ea6f9c0
JB		 2258 if (!local->use_chanctx)
2259 *dbm = local->hw.conf.power_level;
2260 else
2261 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2262
7643a2c3
JB		 2263 return 0;
2264}
2265
ab737a4f 2266static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2267 const u8 *addr)
ab737a4f
JB		 2268{
2269 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2270
2271 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2272
2273 return 0;
2274}
2275
1f87f7d3
JB		 2276static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2277{
2278 struct ieee80211_local *local = wiphy_priv(wiphy);
2279
2280 drv_rfkill_poll(local);
2281}
2282
aff89a9b 2283#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2284static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2285{
2286 struct ieee80211_local *local = wiphy_priv(wiphy);
2287
2288 if (!local->ops->testmode_cmd)
2289 return -EOPNOTSUPP;
2290
2291 return local->ops->testmode_cmd(&local->hw, data, len);
2292}
71063f0e
WYG		 2293
2294static int ieee80211_testmode_dump(struct wiphy *wiphy,
2295 struct sk_buff *skb,
2296 struct netlink_callback *cb,
2297 void *data, int len)
2298{
2299 struct ieee80211_local *local = wiphy_priv(wiphy);
2300
2301 if (!local->ops->testmode_dump)
2302 return -EOPNOTSUPP;
2303
2304 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2305}
aff89a9b
JB		 2306#endif
2307
0f78231b
JB		 2308int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2309 enum ieee80211_smps_mode smps_mode)
2310{
2311 const u8 *ap;
2312 enum ieee80211_smps_mode old_req;
2313 int err;
2314
243e6df4
JB		 2315 lockdep_assert_held(&sdata->u.mgd.mtx);
2316
0f78231b
JB		 2317 old_req = sdata->u.mgd.req_smps;
2318 sdata->u.mgd.req_smps = smps_mode;
2319
2320 if (old_req == smps_mode &&
2321 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2322 return 0;
2323
2324 /*
2325 * If not associated, or current association is not an HT
04ecd257
JB		 2326 * association, there's no need to do anything, just store
2327 * the new value until we associate.
0f78231b
JB		 2328 */
2329 if (!sdata->u.mgd.associated ||
4bf88530 2330 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2331 return 0;
0f78231b 2332
0c1ad2ca 2333 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2334
2335 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2336 if (sdata->u.mgd.powersave)
2337 smps_mode = IEEE80211_SMPS_DYNAMIC;
2338 else
2339 smps_mode = IEEE80211_SMPS_OFF;
2340 }
2341
2342 /* send SM PS frame to AP */
2343 err = ieee80211_send_smps_action(sdata, smps_mode,
2344 ap, ap);
2345 if (err)
2346 sdata->u.mgd.req_smps = old_req;
2347
2348 return err;
2349}
2350
bc92afd9
JB		 2351static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2352 bool enabled, int timeout)
2353{
2354 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2355 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2356
ee1f6681
CYY		 2357 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2358 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2359 return -EOPNOTSUPP;
2360
bc92afd9
JB		 2361 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2362 return -EOPNOTSUPP;
2363
2364 if (enabled == sdata->u.mgd.powersave &&
ff616381 2365 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2366 return 0;
2367
2368 sdata->u.mgd.powersave = enabled;
ff616381 2369 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2370
0f78231b
JB		 2371 /* no change, but if automatic follow powersave */
2372 mutex_lock(&sdata->u.mgd.mtx);
2373 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2374 mutex_unlock(&sdata->u.mgd.mtx);
2375
bc92afd9
JB		 2376 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2377 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2378
2379 ieee80211_recalc_ps(local, -1);
ab095877 2380 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2381
2382 return 0;
2383}
2384
a97c13c3
JO		 2385static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2386 struct net_device *dev,
2387 s32 rssi_thold, u32 rssi_hyst)
2388{
2389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2390 struct ieee80211_vif *vif = &sdata->vif;
2391 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2392
a97c13c3
JO		 2393 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2394 rssi_hyst == bss_conf->cqm_rssi_hyst)
2395 return 0;
2396
2397 bss_conf->cqm_rssi_thold = rssi_thold;
2398 bss_conf->cqm_rssi_hyst = rssi_hyst;
2399
2400 /* tell the driver upon association, unless already associated */
ea086359
JB		 2401 if (sdata->u.mgd.associated &&
2402 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2403 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2404
2405 return 0;
2406}
2407
9930380f
JB		 2408static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2409 struct net_device *dev,
2410 const u8 *addr,
2411 const struct cfg80211_bitrate_mask *mask)
2412{
2413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2414 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2415 int i, ret;
2c7e6bc9 2416
554a43d5
EP		 2417 if (!ieee80211_sdata_running(sdata))
2418 return -ENETDOWN;
2419
bdbfd6b5
SM		 2420 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2421 ret = drv_set_bitrate_mask(local, sdata, mask);
2422 if (ret)
2423 return ret;
2424 }
9930380f 2425
19468413 2426 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2ffbe6d3
FF		 2427 struct ieee80211_supported_band *sband = wiphy->bands[i];
2428 int j;
2429
37eb0b16 2430 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2431 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2432 sizeof(mask->control[i].mcs));
2ffbe6d3
FF		 2433
2434 sdata->rc_has_mcs_mask[i] = false;
2435 if (!sband)
2436 continue;
2437
2438 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2439 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2440 sdata->rc_has_mcs_mask[i] = true;
2441 break;
2442 }
19468413 2443 }
9930380f 2444
37eb0b16 2445 return 0;
9930380f
JB		 2446}
2447
2eb278e0
JB		 2448static int ieee80211_start_roc_work(struct ieee80211_local *local,
2449 struct ieee80211_sub_if_data *sdata,
2450 struct ieee80211_channel *channel,
2eb278e0 2451 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2452 struct sk_buff *txskb,
2453 enum ieee80211_roc_type type)
2eb278e0
JB		 2454{
2455 struct ieee80211_roc_work *roc, *tmp;
2456 bool queued = false;
21f83589 2457 int ret;
21f83589
JB		 2458
2459 lockdep_assert_held(&local->mtx);
2460
fe57d9f5
JB		 2461 if (local->use_chanctx && !local->ops->remain_on_channel)
2462 return -EOPNOTSUPP;
2463
2eb278e0
JB		 2464 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2465 if (!roc)
2466 return -ENOMEM;
2467
2468 roc->chan = channel;
2eb278e0
JB		 2469 roc->duration = duration;
2470 roc->req_duration = duration;
2471 roc->frame = txskb;
d339d5ca 2472 roc->type = type;
2eb278e0
JB		 2473 roc->mgmt_tx_cookie = (unsigned long)txskb;
2474 roc->sdata = sdata;
2475 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2476 INIT_LIST_HEAD(&roc->dependents);
2477
2478 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2479 if (!list_empty(&local->roc_list) ||
2480 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2481 goto out_check_combine;
2482
2483 /* if not HW assist, just queue & schedule work */
2484 if (!local->ops->remain_on_channel) {
2485 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2486 goto out_queue;
2487 }
2488
2489 /* otherwise actually kick it off here (for error handling) */
2490
2491 /*
2492 * If the duration is zero, then the driver
2493 * wouldn't actually do anything. Set it to
2494 * 10 for now.
2495 *
2496 * TODO: cancel the off-channel operation
2497 * when we get the SKB's TX status and
2498 * the wait time was zero before.
2499 */
2500 if (!duration)
2501 duration = 10;
2502
d339d5ca 2503 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2504 if (ret) {
2eb278e0
JB		 2505 kfree(roc);
2506 return ret;
21f83589
JB		 2507 }
2508
2eb278e0
JB		 2509 roc->started = true;
2510 goto out_queue;
2511
2512 out_check_combine:
2513 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2514 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2515 continue;
2516
2517 /*
2518 * Extend this ROC if possible:
2519 *
2520 * If it hasn't started yet, just increase the duration
2521 * and add the new one to the list of dependents.
d339d5ca
IP		 2522 * If the type of the new ROC has higher priority, modify the
2523 * type of the previous one to match that of the new one.
2eb278e0
JB		 2524 */
2525 if (!tmp->started) {
2526 list_add_tail(&roc->list, &tmp->dependents);
2527 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2528 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2529 queued = true;
2530 break;
2531 }
2532
2533 /* If it has already started, it's more difficult ... */
2534 if (local->ops->remain_on_channel) {
2535 unsigned long j = jiffies;
2536
2537 /*
2538 * In the offloaded ROC case, if it hasn't begun, add
2539 * this new one to the dependent list to be handled
d339d5ca 2540 * when the master one begins. If it has begun,
2eb278e0
JB		 2541 * check that there's still a minimum time left and
2542 * if so, start this one, transmitting the frame, but
d339d5ca 2543 * add it to the list directly after this one with
2eb278e0
JB		 2544 * a reduced time so we'll ask the driver to execute
2545 * it right after finishing the previous one, in the
2546 * hope that it'll also be executed right afterwards,
2547 * effectively extending the old one.
2548 * If there's no minimum time left, just add it to the
2549 * normal list.
d339d5ca
IP		 2550 * TODO: the ROC type is ignored here, assuming that it
2551 * is better to immediately use the current ROC.
2eb278e0
JB		 2552 */
2553 if (!tmp->hw_begun) {
2554 list_add_tail(&roc->list, &tmp->dependents);
2555 queued = true;
2556 break;
2557 }
2558
2559 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2560 tmp->hw_start_time +
2561 msecs_to_jiffies(tmp->duration))) {
2562 int new_dur;
2563
2564 ieee80211_handle_roc_started(roc);
2565
2566 new_dur = roc->duration -
2567 jiffies_to_msecs(tmp->hw_start_time +
2568 msecs_to_jiffies(
2569 tmp->duration) -
2570 j);
2571
2572 if (new_dur > 0) {
2573 /* add right after tmp */
2574 list_add(&roc->list, &tmp->list);
2575 } else {
2576 list_add_tail(&roc->list,
2577 &tmp->dependents);
2578 }
2579 queued = true;
2580 }
2581 } else if (del_timer_sync(&tmp->work.timer)) {
2582 unsigned long new_end;
2583
2584 /*
2585 * In the software ROC case, cancel the timer, if
2586 * that fails then the finish work is already
2587 * queued/pending and thus we queue the new ROC
2588 * normally, if that succeeds then we can extend
2589 * the timer duration and TX the frame (if any.)
2590 */
2591
2592 list_add_tail(&roc->list, &tmp->dependents);
2593 queued = true;
2594
2595 new_end = jiffies + msecs_to_jiffies(roc->duration);
2596
2597 /* ok, it was started & we canceled timer */
2598 if (time_after(new_end, tmp->work.timer.expires))
2599 mod_timer(&tmp->work.timer, new_end);
2600 else
2601 add_timer(&tmp->work.timer);
2602
2603 ieee80211_handle_roc_started(roc);
2604 }
2605 break;
2606 }
2607
2608 out_queue:
2609 if (!queued)
2610 list_add_tail(&roc->list, &local->roc_list);
2611
2612 /*
50febf6a 2613 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2614 * or the SKB (for mgmt TX)
2615 */
50febf6a
JB		 2616 if (!txskb) {
2617 /* local->mtx protects this */
2618 local->roc_cookie_counter++;
2619 roc->cookie = local->roc_cookie_counter;
2620 /* wow, you wrapped 64 bits ... more likely a bug */
2621 if (WARN_ON(roc->cookie == 0)) {
2622 roc->cookie = 1;
2623 local->roc_cookie_counter++;
2624 }
2625 *cookie = roc->cookie;
2626 } else {
2eb278e0 2627 *cookie = (unsigned long)txskb;
50febf6a 2628 }
2eb278e0
JB		 2629
2630 return 0;
21f83589
JB		 2631}
2632
b8bc4b0a 2633static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2634 struct wireless_dev *wdev,
b8bc4b0a 2635 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2636 unsigned int duration,
2637 u64 *cookie)
2638{
71bbc994 2639 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2640 struct ieee80211_local *local = sdata->local;
2eb278e0 2641 int ret;
21f83589 2642
2eb278e0 2643 mutex_lock(&local->mtx);
42d97a59 2644 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2645 duration, cookie, NULL,
2646 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2647 mutex_unlock(&local->mtx);
b8bc4b0a 2648
2eb278e0 2649 return ret;
b8bc4b0a
JB		 2650}
2651
2eb278e0
JB		 2652static int ieee80211_cancel_roc(struct ieee80211_local *local,
2653 u64 cookie, bool mgmt_tx)
21f83589 2654{
2eb278e0 2655 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2656 int ret;
2657
2eb278e0
JB		 2658 mutex_lock(&local->mtx);
2659 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2660 struct ieee80211_roc_work *dep, *tmp2;
2661
2662 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2663 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2664 continue;
2665 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2666 continue;
2667 /* found dependent item -- just remove it */
2668 list_del(&dep->list);
2669 mutex_unlock(&local->mtx);
2670
3fbd45ca 2671 ieee80211_roc_notify_destroy(dep, true);
e979e33c
JB		 2672 return 0;
2673 }
2674
50febf6a 2675 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2676 continue;
2677 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2678 continue;
21f83589 2679
2eb278e0
JB		 2680 found = roc;
2681 break;
2682 }
21f83589 2683
2eb278e0
JB		 2684 if (!found) {
2685 mutex_unlock(&local->mtx);
2686 return -ENOENT;
2687 }
21f83589 2688
e979e33c
JB		 2689 /*
2690 * We found the item to cancel, so do that. Note that it
2691 * may have dependents, which we also cancel (and send
2692 * the expired signal for.) Not doing so would be quite
2693 * tricky here, but we may need to fix it later.
2694 */
2695
2eb278e0
JB		 2696 if (local->ops->remain_on_channel) {
2697 if (found->started) {
2698 ret = drv_cancel_remain_on_channel(local);
2699 if (WARN_ON_ONCE(ret)) {
2700 mutex_unlock(&local->mtx);
2701 return ret;
2702 }
2703 }
21f83589 2704
2eb278e0 2705 list_del(&found->list);
21f83589 2706
0f6b3f59
JB		 2707 if (found->started)
2708 ieee80211_start_next_roc(local);
2eb278e0 2709 mutex_unlock(&local->mtx);
21f83589 2710
3fbd45ca 2711 ieee80211_roc_notify_destroy(found, true);
2eb278e0
JB		 2712 } else {
2713 /* work may be pending so use it all the time */
2714 found->abort = true;
2715 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2716
21f83589
JB		 2717 mutex_unlock(&local->mtx);
2718
2eb278e0
JB		 2719 /* work will clean up etc */
2720 flush_delayed_work(&found->work);
3fbd45ca
JB		 2721 WARN_ON(!found->to_be_freed);
2722 kfree(found);
21f83589 2723 }
b8bc4b0a 2724
2eb278e0 2725 return 0;
b8bc4b0a
JB		 2726}
2727
2eb278e0 2728static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2729 struct wireless_dev *wdev,
2eb278e0 2730 u64 cookie)
f30221e4 2731{
71bbc994 2732 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2733 struct ieee80211_local *local = sdata->local;
f30221e4 2734
2eb278e0 2735 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2736}
2737
164eb02d
SW		 2738static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2739 struct net_device *dev,
2740 struct cfg80211_chan_def *chandef)
2741{
2742 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2743 struct ieee80211_local *local = sdata->local;
2744 unsigned long timeout;
2745 int err;
2746
2747 if (!list_empty(&local->roc_list) || local->scanning)
2748 return -EBUSY;
2749
2750 /* whatever, but channel contexts should not complain about that one */
2751 sdata->smps_mode = IEEE80211_SMPS_OFF;
2752 sdata->needed_rx_chains = local->rx_chains;
2753 sdata->radar_required = true;
2754
2755 mutex_lock(&local->iflist_mtx);
2756 err = ieee80211_vif_use_channel(sdata, chandef,
2757 IEEE80211_CHANCTX_SHARED);
2758 mutex_unlock(&local->iflist_mtx);
2759 if (err)
2760 return err;
2761
2762 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2763 ieee80211_queue_delayed_work(&sdata->local->hw,
2764 &sdata->dfs_cac_timer_work, timeout);
2765
2766 return 0;
2767}
2768
71bbc994 2769static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2770 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2771 unsigned int wait, const u8 *buf, size_t len,
2772 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2773{
71bbc994 2774 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2775 struct ieee80211_local *local = sdata->local;
2776 struct sk_buff *skb;
2777 struct sta_info *sta;
2778 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2779 bool need_offchan = false;
e247bd90 2780 u32 flags;
2eb278e0 2781 int ret;
f7ca38df 2782
e247bd90
JB		 2783 if (dont_wait_for_ack)
2784 flags = IEEE80211_TX_CTL_NO_ACK;
2785 else
2786 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2787 IEEE80211_TX_CTL_REQ_TX_STATUS;
2788
aad14ceb
RM		 2789 if (no_cck)
2790 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2791
9d38d85d
JB		 2792 switch (sdata->vif.type) {
2793 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2794 if (!sdata->vif.bss_conf.ibss_joined)
2795 need_offchan = true;
2796 /* fall through */
2797#ifdef CONFIG_MAC80211_MESH
2798 case NL80211_IFTYPE_MESH_POINT:
2799 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2800 !sdata->u.mesh.mesh_id_len)
2801 need_offchan = true;
2802 /* fall through */
2803#endif
663fcafd
JB		 2804 case NL80211_IFTYPE_AP:
2805 case NL80211_IFTYPE_AP_VLAN:
2806 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2807 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2808 !ieee80211_vif_is_mesh(&sdata->vif) &&
2809 !rcu_access_pointer(sdata->bss->beacon))
2810 need_offchan = true;
663fcafd
JB		 2811 if (!ieee80211_is_action(mgmt->frame_control) ||
2812 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2813 break;
2814 rcu_read_lock();
2815 sta = sta_info_get(sdata, mgmt->da);
2816 rcu_read_unlock();
2817 if (!sta)
2818 return -ENOLINK;
2819 break;
2820 case NL80211_IFTYPE_STATION:
663fcafd 2821 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2822 if (!sdata->u.mgd.associated)
2823 need_offchan = true;
9d38d85d 2824 break;
f142c6b9
JB		 2825 case NL80211_IFTYPE_P2P_DEVICE:
2826 need_offchan = true;
2827 break;
9d38d85d
JB		 2828 default:
2829 return -EOPNOTSUPP;
2830 }
2831
2eb278e0
JB		 2832 mutex_lock(&local->mtx);
2833
2834 /* Check if the operating channel is the requested channel */
2835 if (!need_offchan) {
55de908a
JB		 2836 struct ieee80211_chanctx_conf *chanctx_conf;
2837
2838 rcu_read_lock();
2839 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2840
42d97a59 2841 if (chanctx_conf)
4bf88530 2842 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2843 else
2eb278e0 2844 need_offchan = true;
55de908a 2845 rcu_read_unlock();
2eb278e0
JB		 2846 }
2847
2848 if (need_offchan && !offchan) {
2849 ret = -EBUSY;
2850 goto out_unlock;
2851 }
2852
9d38d85d 2853 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2854 if (!skb) {
2855 ret = -ENOMEM;
2856 goto out_unlock;
2857 }
9d38d85d
JB		 2858 skb_reserve(skb, local->hw.extra_tx_headroom);
2859
2860 memcpy(skb_put(skb, len), buf, len);
2861
2862 IEEE80211_SKB_CB(skb)->flags = flags;
2863
2864 skb->dev = sdata->dev;
9d38d85d 2865
2eb278e0 2866 if (!need_offchan) {
7f9f78ab 2867 *cookie = (unsigned long) skb;
f30221e4 2868 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2869 ret = 0;
2870 goto out_unlock;
f30221e4
JB		 2871 }
2872
6c17b77b
SF		 2873 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2874 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 2875 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2876 IEEE80211_SKB_CB(skb)->hw_queue =
2877 local->hw.offchannel_tx_hw_queue;
f30221e4 2878
2eb278e0 2879 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2880 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2881 wait, cookie, skb,
2882 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 2883 if (ret)
2884 kfree_skb(skb);
2885 out_unlock:
2886 mutex_unlock(&local->mtx);
2887 return ret;
026331c4
JM		 2888}
2889
f30221e4 2890static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2891 struct wireless_dev *wdev,
f30221e4
JB		 2892 u64 cookie)
2893{
71bbc994 2894 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2895
2eb278e0 2896 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2897}
2898
7be5086d 2899static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2900 struct wireless_dev *wdev,
7be5086d
JB		 2901 u16 frame_type, bool reg)
2902{
2903 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2904 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2905
6abe0563
WH		 2906 switch (frame_type) {
2907 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2908 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2909 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2910
6abe0563
WH		 2911 if (reg)
2912 ifibss->auth_frame_registrations++;
2913 else
2914 ifibss->auth_frame_registrations--;
2915 }
2916 break;
2917 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2918 if (reg)
2919 local->probe_req_reg++;
2920 else
2921 local->probe_req_reg--;
7be5086d 2922
35f5149e
FF		 2923 if (!local->open_count)
2924 break;
2925
6abe0563
WH		 2926 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2927 break;
2928 default:
2929 break;
2930 }
7be5086d
JB		 2931}
2932
15d96753
BR		 2933static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2934{
2935 struct ieee80211_local *local = wiphy_priv(wiphy);
2936
2937 if (local->started)
2938 return -EOPNOTSUPP;
2939
2940 return drv_set_antenna(local, tx_ant, rx_ant);
2941}
2942
2943static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2944{
2945 struct ieee80211_local *local = wiphy_priv(wiphy);
2946
2947 return drv_get_antenna(local, tx_ant, rx_ant);
2948}
2949
38c09159
JL		 2950static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2951{
2952 struct ieee80211_local *local = wiphy_priv(wiphy);
2953
2954 return drv_set_ringparam(local, tx, rx);
2955}
2956
2957static void ieee80211_get_ringparam(struct wiphy *wiphy,
2958 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2959{
2960 struct ieee80211_local *local = wiphy_priv(wiphy);
2961
2962 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2963}
2964
c68f4b89
JB		 2965static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2966 struct net_device *dev,
2967 struct cfg80211_gtk_rekey_data *data)
2968{
2969 struct ieee80211_local *local = wiphy_priv(wiphy);
2970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2971
2972 if (!local->ops->set_rekey_data)
2973 return -EOPNOTSUPP;
2974
2975 drv_set_rekey_data(local, sdata, data);
2976
2977 return 0;
2978}
2979
dfe018bf
AN		 2980static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2981{
2982 u8 *pos = (void *)skb_put(skb, 7);
2983
2984 *pos++ = WLAN_EID_EXT_CAPABILITY;
2985 *pos++ = 5; /* len */
2986 *pos++ = 0x0;
2987 *pos++ = 0x0;
2988 *pos++ = 0x0;
2989 *pos++ = 0x0;
2990 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2991}
2992
2993static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2994{
2995 struct ieee80211_local *local = sdata->local;
2996 u16 capab;
2997
2998 capab = 0;
55de908a 2999 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 3000 return capab;
3001
3002 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3003 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3004 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3005 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3006
3007 return capab;
3008}
3009
3010static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3011 u8 *peer, u8 *bssid)
3012{
3013 struct ieee80211_tdls_lnkie *lnkid;
3014
3015 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3016
3017 lnkid->ie_type = WLAN_EID_LINK_ID;
3018 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3019
3020 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3021 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3022 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3023}
3024
3025static int
3026ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3027 u8 *peer, u8 action_code, u8 dialog_token,
3028 u16 status_code, struct sk_buff *skb)
3029{
3030 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3031 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3032 struct ieee80211_tdls_data *tf;
3033
3034 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3035
3036 memcpy(tf->da, peer, ETH_ALEN);
3037 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3038 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3039 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3040
3041 switch (action_code) {
3042 case WLAN_TDLS_SETUP_REQUEST:
3043 tf->category = WLAN_CATEGORY_TDLS;
3044 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3045
3046 skb_put(skb, sizeof(tf->u.setup_req));
3047 tf->u.setup_req.dialog_token = dialog_token;
3048 tf->u.setup_req.capability =
3049 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3050
55de908a
JB		 3051 ieee80211_add_srates_ie(sdata, skb, false, band);
3052 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3053 ieee80211_tdls_add_ext_capab(skb);
3054 break;
3055 case WLAN_TDLS_SETUP_RESPONSE:
3056 tf->category = WLAN_CATEGORY_TDLS;
3057 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3058
3059 skb_put(skb, sizeof(tf->u.setup_resp));
3060 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3061 tf->u.setup_resp.dialog_token = dialog_token;
3062 tf->u.setup_resp.capability =
3063 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3064
55de908a
JB		 3065 ieee80211_add_srates_ie(sdata, skb, false, band);
3066 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3067 ieee80211_tdls_add_ext_capab(skb);
3068 break;
3069 case WLAN_TDLS_SETUP_CONFIRM:
3070 tf->category = WLAN_CATEGORY_TDLS;
3071 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3072
3073 skb_put(skb, sizeof(tf->u.setup_cfm));
3074 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3075 tf->u.setup_cfm.dialog_token = dialog_token;
3076 break;
3077 case WLAN_TDLS_TEARDOWN:
3078 tf->category = WLAN_CATEGORY_TDLS;
3079 tf->action_code = WLAN_TDLS_TEARDOWN;
3080
3081 skb_put(skb, sizeof(tf->u.teardown));
3082 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3083 break;
3084 case WLAN_TDLS_DISCOVERY_REQUEST:
3085 tf->category = WLAN_CATEGORY_TDLS;
3086 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3087
3088 skb_put(skb, sizeof(tf->u.discover_req));
3089 tf->u.discover_req.dialog_token = dialog_token;
3090 break;
3091 default:
3092 return -EINVAL;
3093 }
3094
3095 return 0;
3096}
3097
3098static int
3099ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3100 u8 *peer, u8 action_code, u8 dialog_token,
3101 u16 status_code, struct sk_buff *skb)
3102{
3103 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3104 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3105 struct ieee80211_mgmt *mgmt;
3106
3107 mgmt = (void *)skb_put(skb, 24);
3108 memset(mgmt, 0, 24);
3109 memcpy(mgmt->da, peer, ETH_ALEN);
3110 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3111 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3112
3113 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3114 IEEE80211_STYPE_ACTION);
3115
3116 switch (action_code) {
3117 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3118 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3119 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3120 mgmt->u.action.u.tdls_discover_resp.action_code =
3121 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3122 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3123 dialog_token;
3124 mgmt->u.action.u.tdls_discover_resp.capability =
3125 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3126
55de908a
JB		 3127 ieee80211_add_srates_ie(sdata, skb, false, band);
3128 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3129 ieee80211_tdls_add_ext_capab(skb);
3130 break;
3131 default:
3132 return -EINVAL;
3133 }
3134
3135 return 0;
3136}
3137
3138static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3139 u8 *peer, u8 action_code, u8 dialog_token,
3140 u16 status_code, const u8 *extra_ies,
3141 size_t extra_ies_len)
3142{
3143 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3144 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3145 struct sk_buff *skb = NULL;
3146 bool send_direct;
3147 int ret;
3148
3149 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3150 return -ENOTSUPP;
3151
3152 /* make sure we are in managed mode, and associated */
3153 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3154 !sdata->u.mgd.associated)
3155 return -EINVAL;
3156
bdcbd8e0
JB		 3157 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3158 action_code, peer);
dfe018bf
AN		 3159
3160 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3161 max(sizeof(struct ieee80211_mgmt),
3162 sizeof(struct ieee80211_tdls_data)) +
3163 50 + /* supported rates */
3164 7 + /* ext capab */
3165 extra_ies_len +
3166 sizeof(struct ieee80211_tdls_lnkie));
3167 if (!skb)
3168 return -ENOMEM;
3169
dfe018bf
AN		 3170 skb_reserve(skb, local->hw.extra_tx_headroom);
3171
3172 switch (action_code) {
3173 case WLAN_TDLS_SETUP_REQUEST:
3174 case WLAN_TDLS_SETUP_RESPONSE:
3175 case WLAN_TDLS_SETUP_CONFIRM:
3176 case WLAN_TDLS_TEARDOWN:
3177 case WLAN_TDLS_DISCOVERY_REQUEST:
3178 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3179 action_code, dialog_token,
3180 status_code, skb);
3181 send_direct = false;
3182 break;
3183 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3184 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3185 dialog_token, status_code,
3186 skb);
3187 send_direct = true;
3188 break;
3189 default:
3190 ret = -ENOTSUPP;
3191 break;
3192 }
3193
3194 if (ret < 0)
3195 goto fail;
3196
3197 if (extra_ies_len)
3198 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3199
3200 /* the TDLS link IE is always added last */
3201 switch (action_code) {
3202 case WLAN_TDLS_SETUP_REQUEST:
3203 case WLAN_TDLS_SETUP_CONFIRM:
3204 case WLAN_TDLS_TEARDOWN:
3205 case WLAN_TDLS_DISCOVERY_REQUEST:
3206 /* we are the initiator */
3207 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3208 sdata->u.mgd.bssid);
3209 break;
3210 case WLAN_TDLS_SETUP_RESPONSE:
3211 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3212 /* we are the responder */
3213 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3214 sdata->u.mgd.bssid);
3215 break;
3216 default:
3217 ret = -ENOTSUPP;
3218 goto fail;
3219 }
3220
3221 if (send_direct) {
3222 ieee80211_tx_skb(sdata, skb);
3223 return 0;
3224 }
3225
3226 /*
3227 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3228 * we should default to AC_VI.
3229 */
3230 switch (action_code) {
3231 case WLAN_TDLS_SETUP_REQUEST:
3232 case WLAN_TDLS_SETUP_RESPONSE:
3233 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3234 skb->priority = 2;
3235 break;
3236 default:
3237 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3238 skb->priority = 5;
3239 break;
3240 }
3241
3242 /* disable bottom halves when entering the Tx path */
3243 local_bh_disable();
3244 ret = ieee80211_subif_start_xmit(skb, dev);
3245 local_bh_enable();
3246
3247 return ret;
3248
3249fail:
3250 dev_kfree_skb(skb);
3251 return ret;
3252}
3253
3254static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3255 u8 *peer, enum nl80211_tdls_operation oper)
3256{
941c93cd 3257 struct sta_info *sta;
dfe018bf
AN		 3258 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3259
3260 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3261 return -ENOTSUPP;
3262
3263 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3264 return -EINVAL;
3265
bdcbd8e0 3266 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3267
3268 switch (oper) {
3269 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3270 rcu_read_lock();
3271 sta = sta_info_get(sdata, peer);
3272 if (!sta) {
3273 rcu_read_unlock();
3274 return -ENOLINK;
3275 }
3276
c2c98fde 3277 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3278 rcu_read_unlock();
dfe018bf
AN		 3279 break;
3280 case NL80211_TDLS_DISABLE_LINK:
3281 return sta_info_destroy_addr(sdata, peer);
3282 case NL80211_TDLS_TEARDOWN:
3283 case NL80211_TDLS_SETUP:
3284 case NL80211_TDLS_DISCOVERY_REQ:
3285 /* We don't support in-driver setup/teardown/discovery */
3286 return -ENOTSUPP;
3287 default:
3288 return -ENOTSUPP;
3289 }
3290
3291 return 0;
3292}
3293
06500736
JB		 3294static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3295 const u8 *peer, u64 *cookie)
3296{
3297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3298 struct ieee80211_local *local = sdata->local;
3299 struct ieee80211_qos_hdr *nullfunc;
3300 struct sk_buff *skb;
3301 int size = sizeof(*nullfunc);
3302 __le16 fc;
3303 bool qos;
3304 struct ieee80211_tx_info *info;
3305 struct sta_info *sta;
55de908a
JB		 3306 struct ieee80211_chanctx_conf *chanctx_conf;
3307 enum ieee80211_band band;
06500736
JB		 3308
3309 rcu_read_lock();
55de908a
JB		 3310 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3311 if (WARN_ON(!chanctx_conf)) {
3312 rcu_read_unlock();
3313 return -EINVAL;
3314 }
4bf88530 3315 band = chanctx_conf->def.chan->band;
06500736 3316 sta = sta_info_get(sdata, peer);
b4487c2d 3317 if (sta) {
06500736 3318 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3319 } else {
3320 rcu_read_unlock();
06500736 3321 return -ENOLINK;
b4487c2d 3322 }
06500736
JB		 3323
3324 if (qos) {
3325 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3326 IEEE80211_STYPE_QOS_NULLFUNC |
3327 IEEE80211_FCTL_FROMDS);
3328 } else {
3329 size -= 2;
3330 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3331 IEEE80211_STYPE_NULLFUNC |
3332 IEEE80211_FCTL_FROMDS);
3333 }
3334
3335 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3336 if (!skb) {
3337 rcu_read_unlock();
06500736 3338 return -ENOMEM;
55de908a 3339 }
06500736
JB		 3340
3341 skb->dev = dev;
3342
3343 skb_reserve(skb, local->hw.extra_tx_headroom);
3344
3345 nullfunc = (void *) skb_put(skb, size);
3346 nullfunc->frame_control = fc;
3347 nullfunc->duration_id = 0;
3348 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3349 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3350 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3351 nullfunc->seq_ctrl = 0;
3352
3353 info = IEEE80211_SKB_CB(skb);
3354
3355 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3356 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3357
3358 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3359 skb->priority = 7;
3360 if (qos)
3361 nullfunc->qos_ctrl = cpu_to_le16(7);
3362
3363 local_bh_disable();
55de908a 3364 ieee80211_xmit(sdata, skb, band);
06500736 3365 local_bh_enable();
55de908a 3366 rcu_read_unlock();
06500736
JB		 3367
3368 *cookie = (unsigned long) skb;
3369 return 0;
3370}
3371
683b6d3b
JB		 3372static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3373 struct wireless_dev *wdev,
3374 struct cfg80211_chan_def *chandef)
5b7ccaf3 3375{
55de908a 3376 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3377 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3378 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3379 int ret = -ENODATA;
55de908a
JB		 3380
3381 rcu_read_lock();
feda3027
JB		 3382 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3383 if (chanctx_conf) {
3384 *chandef = chanctx_conf->def;
3385 ret = 0;
3386 } else if (local->open_count > 0 &&
3387 local->open_count == local->monitors &&
3388 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3389 if (local->use_chanctx)
3390 *chandef = local->monitor_chandef;
3391 else
675a0b04 3392 *chandef = local->_oper_chandef;
683b6d3b 3393 ret = 0;
55de908a
JB		 3394 }
3395 rcu_read_unlock();
5b7ccaf3 3396
683b6d3b 3397 return ret;
5b7ccaf3
JB		 3398}
3399
6d52563f
JB		 3400#ifdef CONFIG_PM
3401static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3402{
3403 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3404}
3405#endif
3406
f0706e82
JB		 3407struct cfg80211_ops mac80211_config_ops = {
3408 .add_virtual_intf = ieee80211_add_iface,
3409 .del_virtual_intf = ieee80211_del_iface,
42613db7 3410 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3411 .start_p2p_device = ieee80211_start_p2p_device,
3412 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3413 .add_key = ieee80211_add_key,
3414 .del_key = ieee80211_del_key,
62da92fb 3415 .get_key = ieee80211_get_key,
e8cbb4cb 3416 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3417 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3418 .start_ap = ieee80211_start_ap,
3419 .change_beacon = ieee80211_change_beacon,
3420 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3421 .add_station = ieee80211_add_station,
3422 .del_station = ieee80211_del_station,
3423 .change_station = ieee80211_change_station,
7bbdd2d9 3424 .get_station = ieee80211_get_station,
c5dd9c2b 3425 .dump_station = ieee80211_dump_station,
1289723e 3426 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3427#ifdef CONFIG_MAC80211_MESH
3428 .add_mpath = ieee80211_add_mpath,
3429 .del_mpath = ieee80211_del_mpath,
3430 .change_mpath = ieee80211_change_mpath,
3431 .get_mpath = ieee80211_get_mpath,
3432 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3433 .update_mesh_config = ieee80211_update_mesh_config,
3434 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3435 .join_mesh = ieee80211_join_mesh,
3436 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3437#endif
9f1ba906 3438 .change_bss = ieee80211_change_bss,
31888487 3439 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3440 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3441 .suspend = ieee80211_suspend,
3442 .resume = ieee80211_resume,
2a519311 3443 .scan = ieee80211_scan,
79f460ca
LC		 3444 .sched_scan_start = ieee80211_sched_scan_start,
3445 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3446 .auth = ieee80211_auth,
3447 .assoc = ieee80211_assoc,
3448 .deauth = ieee80211_deauth,
3449 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3450 .join_ibss = ieee80211_join_ibss,
3451 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3452 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3453 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3454 .set_tx_power = ieee80211_set_tx_power,
3455 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3456 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3457 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3458 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3459 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3460 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3461 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3462 .remain_on_channel = ieee80211_remain_on_channel,
3463 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3464 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3465 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3466 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3467 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3468 .set_antenna = ieee80211_set_antenna,
3469 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3470 .set_ringparam = ieee80211_set_ringparam,
3471 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3472 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3473 .tdls_oper = ieee80211_tdls_oper,
3474 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3475 .probe_client = ieee80211_probe_client,
b53be792 3476 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3477#ifdef CONFIG_PM
3478 .set_wakeup = ieee80211_set_wakeup,
3479#endif
b1ab7925
BG		 3480 .get_et_sset_count = ieee80211_get_et_sset_count,
3481 .get_et_stats = ieee80211_get_et_stats,
3482 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3483 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3484 .start_radar_detection = ieee80211_start_radar_detection,
f0706e82 3485};
kernel source for telekom puls (alcatel/mediatek)