projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: clean up key freeing a bit
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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
8d1f7ecd 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) {
683b6d3b 808 local->_oper_channel = chandef->chan;
4bf88530 809 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
55de908a
JB		 810 ieee80211_hw_config(local, 0);
811 }
3d9e6e12 812
4bf88530
JB		 813 if (ret == 0)
814 local->monitor_chandef = *chandef;
55de908a 815 mutex_unlock(&local->iflist_mtx);
3d9e6e12 816
55de908a 817 return ret;
e8c9bd5b
JB		 818}
819
02945821 820static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 821 const u8 *resp, size_t resp_len)
02945821 822{
aa7a0080 823 struct probe_resp *new, *old;
02945821
AN		 824
825 if (!resp || !resp_len)
aba4e6ff 826 return 1;
02945821 827
f724828b 828 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 829
aa7a0080 830 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 831 if (!new)
832 return -ENOMEM;
833
aa7a0080
ES		 834 new->len = resp_len;
835 memcpy(new->data, resp, resp_len);
02945821
AN		 836
837 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 838 if (old)
839 kfree_rcu(old, rcu_head);
02945821
AN		 840
841 return 0;
842}
843
8860020e
JB		 844static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
845 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 846{
847 struct beacon_data *new, *old;
848 int new_head_len, new_tail_len;
8860020e
JB		 849 int size, err;
850 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 851
40b275b6 852 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 853
5dfdaf58
JB		 854 /* Need to have a beacon head if we don't have one yet */
855 if (!params->head && !old)
8860020e 856 return -EINVAL;
5dfdaf58
JB		 857
858 /* new or old head? */
859 if (params->head)
860 new_head_len = params->head_len;
861 else
862 new_head_len = old->head_len;
863
864 /* new or old tail? */
865 if (params->tail || !old)
866 /* params->tail_len will be zero for !params->tail */
867 new_tail_len = params->tail_len;
868 else
869 new_tail_len = old->tail_len;
870
871 size = sizeof(*new) + new_head_len + new_tail_len;
872
873 new = kzalloc(size, GFP_KERNEL);
874 if (!new)
875 return -ENOMEM;
876
877 /* start filling the new info now */
878
5dfdaf58
JB		 879 /*
880 * pointers go into the block we allocated,
881 * memory is | beacon_data | head | tail |
882 */
883 new->head = ((u8 *) new) + sizeof(*new);
884 new->tail = new->head + new_head_len;
885 new->head_len = new_head_len;
886 new->tail_len = new_tail_len;
887
888 /* copy in head */
889 if (params->head)
890 memcpy(new->head, params->head, new_head_len);
891 else
892 memcpy(new->head, old->head, new_head_len);
893
894 /* copy in optional tail */
895 if (params->tail)
896 memcpy(new->tail, params->tail, new_tail_len);
897 else
898 if (old)
899 memcpy(new->tail, old->tail, new_tail_len);
900
02945821
AN		 901 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
902 params->probe_resp_len);
8860020e
JB		 903 if (err < 0)
904 return err;
905 if (err == 0)
02945821
AN		 906 changed |= BSS_CHANGED_AP_PROBE_RESP;
907
8860020e
JB		 908 rcu_assign_pointer(sdata->u.ap.beacon, new);
909
910 if (old)
911 kfree_rcu(old, rcu_head);
7827493b 912
8860020e 913 return changed;
5dfdaf58
JB		 914}
915
8860020e
JB		 916static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
917 struct cfg80211_ap_settings *params)
5dfdaf58 918{
8860020e 919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 920 struct beacon_data *old;
665c93a9 921 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 922 u32 changed = BSS_CHANGED_BEACON_INT |
923 BSS_CHANGED_BEACON_ENABLED |
924 BSS_CHANGED_BEACON |
339afbf4
JB		 925 BSS_CHANGED_SSID |
926 BSS_CHANGED_P2P_PS;
8860020e 927 int err;
14db74bc 928
40b275b6 929 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 930 if (old)
931 return -EALREADY;
932
04ecd257
JB		 933 /* TODO: make hostapd tell us what it wants */
934 sdata->smps_mode = IEEE80211_SMPS_OFF;
935 sdata->needed_rx_chains = sdata->local->rx_chains;
164eb02d 936 sdata->radar_required = params->radar_required;
04ecd257 937
4bf88530 938 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 939 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 940 if (err)
941 return err;
1f4ac5a6 942 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
aa430da4 943
665c93a9
JB		 944 /*
945 * Apply control port protocol, this allows us to
946 * not encrypt dynamic WEP control frames.
947 */
948 sdata->control_port_protocol = params->crypto.control_port_ethertype;
949 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
950 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
951 vlan->control_port_protocol =
952 params->crypto.control_port_ethertype;
953 vlan->control_port_no_encrypt =
954 params->crypto.control_port_no_encrypt;
955 }
956
8860020e
JB		 957 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
958 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 959 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 960
961 sdata->vif.bss_conf.ssid_len = params->ssid_len;
962 if (params->ssid_len)
963 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
964 params->ssid_len);
965 sdata->vif.bss_conf.hidden_ssid =
966 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
967
339afbf4
JB		 968 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
969 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
970
8860020e
JB		 971 err = ieee80211_assign_beacon(sdata, &params->beacon);
972 if (err < 0)
973 return err;
974 changed |= err;
975
1041638f
JB		 976 err = drv_start_ap(sdata->local, sdata);
977 if (err) {
978 old = rtnl_dereference(sdata->u.ap.beacon);
979 if (old)
980 kfree_rcu(old, rcu_head);
981 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
982 return err;
983 }
984
8860020e
JB		 985 ieee80211_bss_info_change_notify(sdata, changed);
986
3edaf3e6
JB		 987 netif_carrier_on(dev);
988 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
989 netif_carrier_on(vlan->dev);
990
665c93a9 991 return 0;
5dfdaf58
JB		 992}
993
8860020e
JB		 994static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
995 struct cfg80211_beacon_data *params)
5dfdaf58 996{
14db74bc 997 struct ieee80211_sub_if_data *sdata;
5dfdaf58 998 struct beacon_data *old;
8860020e 999 int err;
5dfdaf58 1000
14db74bc
JB		 1001 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1002
40b275b6 1003 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 1004 if (!old)
1005 return -ENOENT;
1006
8860020e
JB		 1007 err = ieee80211_assign_beacon(sdata, params);
1008 if (err < 0)
1009 return err;
1010 ieee80211_bss_info_change_notify(sdata, err);
1011 return 0;
5dfdaf58
JB		 1012}
1013
8860020e 1014static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 1015{
7b20b8e8
JB		 1016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017 struct ieee80211_sub_if_data *vlan;
1018 struct ieee80211_local *local = sdata->local;
1019 struct beacon_data *old_beacon;
1020 struct probe_resp *old_probe_resp;
14db74bc 1021
7b20b8e8
JB		 1022 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1023 if (!old_beacon)
5dfdaf58 1024 return -ENOENT;
7b20b8e8 1025 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1026
7b20b8e8 1027 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1028 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1029 netif_carrier_off(vlan->dev);
1030 netif_carrier_off(dev);
1031
7b20b8e8 1032 /* remove beacon and probe response */
a9b3cd7f 1033 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1034 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1035 kfree_rcu(old_beacon, rcu_head);
1036 if (old_probe_resp)
1037 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1038
2d4072a5 1039 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1040 sta_info_flush_defer(vlan);
1041 sta_info_flush_defer(sdata);
1042 rcu_barrier();
7b4396bd 1043 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
75de9113 1044 sta_info_flush_cleanup(vlan);
7b4396bd
JB		 1045 ieee80211_free_keys(vlan);
1046 }
75de9113 1047 sta_info_flush_cleanup(sdata);
7b4396bd 1048 ieee80211_free_keys(sdata);
75de9113 1049
d6a83228
JB		 1050 sdata->vif.bss_conf.enable_beacon = false;
1051 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1052 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1053
1041638f
JB		 1054 drv_stop_ap(sdata->local, sdata);
1055
7b20b8e8
JB		 1056 /* free all potentially still buffered bcast frames */
1057 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1058 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1059
1f4ac5a6 1060 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
55de908a
JB		 1061 ieee80211_vif_release_channel(sdata);
1062
2d0ddec5 1063 return 0;
5dfdaf58
JB		 1064}
1065
4fd6931e
JB		 1066/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1067struct iapp_layer2_update {
1068 u8 da[ETH_ALEN]; /* broadcast */
1069 u8 sa[ETH_ALEN]; /* STA addr */
1070 __be16 len; /* 6 */
1071 u8 dsap; /* 0 */
1072 u8 ssap; /* 0 */
1073 u8 control;
1074 u8 xid_info[3];
bc10502d 1075} __packed;
4fd6931e
JB		 1076
1077static void ieee80211_send_layer2_update(struct sta_info *sta)
1078{
1079 struct iapp_layer2_update *msg;
1080 struct sk_buff *skb;
1081
1082 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1083 * bridge devices */
1084
1085 skb = dev_alloc_skb(sizeof(*msg));
1086 if (!skb)
1087 return;
1088 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1089
1090 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1091 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1092
e83e6541 1093 eth_broadcast_addr(msg->da);
17741cdc 1094 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1095 msg->len = htons(6);
1096 msg->dsap = 0;
1097 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1098 msg->control = 0xaf; /* XID response lsb.1111F101.
1099 * F=0 (no poll command; unsolicited frame) */
1100 msg->xid_info[0] = 0x81; /* XID format identifier */
1101 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1102 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1103
d0709a65
JB		 1104 skb->dev = sta->sdata->dev;
1105 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1106 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1107 netif_rx_ni(skb);
4fd6931e
JB		 1108}
1109
d582cffb
JB		 1110static int sta_apply_auth_flags(struct ieee80211_local *local,
1111 struct sta_info *sta,
1112 u32 mask, u32 set)
1113{
1114 int ret;
1115
1116 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1117 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1118 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1119 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1120 if (ret)
1121 return ret;
1122 }
1123
1124 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1125 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1126 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1127 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1128 if (ret)
1129 return ret;
1130 }
1131
1132 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1133 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1134 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1135 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1136 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1137 else
1138 ret = 0;
1139 if (ret)
1140 return ret;
1141 }
1142
1143 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1144 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1145 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1146 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1147 if (ret)
1148 return ret;
1149 }
1150
1151 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1152 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1153 test_sta_flag(sta, WLAN_STA_AUTH)) {
1154 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1155 if (ret)
1156 return ret;
1157 }
1158
1159 return 0;
1160}
1161
d9a7ddb0
JB		 1162static int sta_apply_parameters(struct ieee80211_local *local,
1163 struct sta_info *sta,
1164 struct station_parameters *params)
4fd6931e 1165{
d9a7ddb0 1166 int ret = 0;
4fd6931e
JB		 1167 u32 rates;
1168 int i, j;
8318d78a 1169 struct ieee80211_supported_band *sband;
d0709a65 1170 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1171 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1172 u32 mask, set;
4fd6931e 1173
55de908a 1174 sband = local->hw.wiphy->bands[band];
ae5eb026 1175
eccb8e8f
JB		 1176 mask = params->sta_flags_mask;
1177 set = params->sta_flags_set;
73651ee6 1178
d582cffb
JB		 1179 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1180 /*
1181 * In mesh mode, ASSOCIATED isn't part of the nl80211
1182 * API but must follow AUTHENTICATED for driver state.
1183 */
1184 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1185 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1186 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1187 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
77ee7c89
JB		 1188 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1189 /*
1190 * TDLS -- everything follows authorized, but
1191 * only becoming authorized is possible, not
1192 * going back
1193 */
1194 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1195 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1196 BIT(NL80211_STA_FLAG_ASSOCIATED);
1197 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1198 BIT(NL80211_STA_FLAG_ASSOCIATED);
1199 }
eccb8e8f 1200 }
4fd6931e 1201
d582cffb
JB		 1202 ret = sta_apply_auth_flags(local, sta, mask, set);
1203 if (ret)
1204 return ret;
d9a7ddb0 1205
eccb8e8f 1206 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1207 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1208 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1209 else
1210 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1211 }
4fd6931e 1212
eccb8e8f 1213 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1214 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1215 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1216 sta->sta.wme = true;
c2c98fde
JB		 1217 } else {
1218 clear_sta_flag(sta, WLAN_STA_WME);
1219 sta->sta.wme = false;
39df600a 1220 }
eccb8e8f 1221 }
5394af4d 1222
eccb8e8f 1223 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1224 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1225 set_sta_flag(sta, WLAN_STA_MFP);
1226 else
1227 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1228 }
b39c48fa 1229
07ba55d7 1230 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1231 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1232 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1233 else
1234 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1235 }
4fd6931e 1236
3b9ce80c
JB		 1237 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1238 sta->sta.uapsd_queues = params->uapsd_queues;
1239 sta->sta.max_sp = params->max_sp;
1240 }
9533b4ac 1241
51b50fbe
JB		 1242 /*
1243 * cfg80211 validates this (1-2007) and allows setting the AID
1244 * only when creating a new station entry
1245 */
1246 if (params->aid)
1247 sta->sta.aid = params->aid;
1248
73651ee6 1249 /*
ba23d206
JB		 1250 * Some of the following updates would be racy if called on an
1251 * existing station, via ieee80211_change_station(). However,
1252 * all such changes are rejected by cfg80211 except for updates
1253 * changing the supported rates on an existing but not yet used
1254 * TDLS peer.
73651ee6
JB		 1255 */
1256
4fd6931e
JB		 1257 if (params->listen_interval >= 0)
1258 sta->listen_interval = params->listen_interval;
1259
1260 if (params->supported_rates) {
1261 rates = 0;
8318d78a 1262
4fd6931e
JB		 1263 for (i = 0; i < params->supported_rates_len; i++) {
1264 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1265 for (j = 0; j < sband->n_bitrates; j++) {
1266 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1267 rates |= BIT(j);
1268 }
1269 }
55de908a 1270 sta->sta.supp_rates[band] = rates;
4fd6931e 1271 }
c5dd9c2b 1272
d9fe60de 1273 if (params->ht_capa)
ef96a842 1274 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
e1a0c6b3 1275 params->ht_capa, sta);
36aedc90 1276
f461be3e
MP		 1277 if (params->vht_capa)
1278 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
4a34215e 1279 params->vht_capa, sta);
f461be3e 1280
9c3990aa 1281 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1282#ifdef CONFIG_MAC80211_MESH
39886b61 1283 u32 changed = 0;
77ee7c89
JB		 1284
1285 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
9c3990aa 1286 switch (params->plink_state) {
57cf8043 1287 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1288 if (sta->plink_state != NL80211_PLINK_ESTAB)
1289 changed = mesh_plink_inc_estab_count(
1290 sdata);
1291 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1292
1293 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1294 changed |= ieee80211_mps_set_sta_local_pm(sta,
1295 sdata->u.mesh.mshcfg.power_mode);
1617bab8
MP		 1296 break;
1297 case NL80211_PLINK_LISTEN:
57cf8043 1298 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1299 case NL80211_PLINK_OPN_SNT:
1300 case NL80211_PLINK_OPN_RCVD:
1301 case NL80211_PLINK_CNF_RCVD:
1302 case NL80211_PLINK_HOLDING:
1303 if (sta->plink_state == NL80211_PLINK_ESTAB)
1304 changed = mesh_plink_dec_estab_count(
1305 sdata);
9c3990aa 1306 sta->plink_state = params->plink_state;
3f52b7e3
MP		 1307
1308 ieee80211_mps_sta_status_update(sta);
39886b61
TP		 1309 changed |=
1310 ieee80211_mps_local_status_update(sdata);
9c3990aa
JC		 1311 break;
1312 default:
1313 /* nothing */
1314 break;
1315 }
77ee7c89
JB		 1316 }
1317
1318 switch (params->plink_action) {
1319 case NL80211_PLINK_ACTION_NO_ACTION:
1320 /* nothing */
1321 break;
1322 case NL80211_PLINK_ACTION_OPEN:
1323 changed |= mesh_plink_open(sta);
1324 break;
1325 case NL80211_PLINK_ACTION_BLOCK:
1326 changed |= mesh_plink_block(sta);
1327 break;
1617bab8 1328 }
3f52b7e3
MP		 1329
1330 if (params->local_pm)
39886b61
TP		 1331 changed |=
1332 ieee80211_mps_set_sta_local_pm(sta,
1333 params->local_pm);
1334 ieee80211_bss_info_change_notify(sdata, changed);
4daf50f2 1335#endif
902acc78 1336 }
d9a7ddb0
JB		 1337
1338 return 0;
4fd6931e
JB		 1339}
1340
1341static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1342 u8 *mac, struct station_parameters *params)
1343{
14db74bc 1344 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1345 struct sta_info *sta;
1346 struct ieee80211_sub_if_data *sdata;
73651ee6 1347 int err;
b8d476c8 1348 int layer2_update;
4fd6931e 1349
4fd6931e
JB		 1350 if (params->vlan) {
1351 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1352
05c914fe
JB		 1353 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1354 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1355 return -EINVAL;
1356 } else
1357 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1358
b203ca39 1359 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1360 return -EINVAL;
1361
1362 if (is_multicast_ether_addr(mac))
1363 return -EINVAL;
1364
1365 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1366 if (!sta)
1367 return -ENOMEM;
4fd6931e 1368
d582cffb
JB		 1369 /*
1370 * defaults -- if userspace wants something else we'll
1371 * change it accordingly in sta_apply_parameters()
1372 */
77ee7c89
JB		 1373 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1374 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1375 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1376 }
4fd6931e 1377
d9a7ddb0
JB		 1378 err = sta_apply_parameters(local, sta, params);
1379 if (err) {
1380 sta_info_free(local, sta);
1381 return err;
1382 }
4fd6931e 1383
d64cf63e 1384 /*
77ee7c89
JB		 1385 * for TDLS, rate control should be initialized only when
1386 * rates are known and station is marked authorized
d64cf63e
AN		 1387 */
1388 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1389 rate_control_rate_init(sta);
4fd6931e 1390
b8d476c8
JM		 1391 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1392 sdata->vif.type == NL80211_IFTYPE_AP;
1393
34e89507 1394 err = sta_info_insert_rcu(sta);
73651ee6 1395 if (err) {
73651ee6
JB		 1396 rcu_read_unlock();
1397 return err;
1398 }
1399
b8d476c8 1400 if (layer2_update)
73651ee6
JB		 1401 ieee80211_send_layer2_update(sta);
1402
1403 rcu_read_unlock();
1404
4fd6931e
JB		 1405 return 0;
1406}
1407
1408static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1409 u8 *mac)
1410{
14db74bc 1411 struct ieee80211_sub_if_data *sdata;
4fd6931e 1412
14db74bc
JB		 1413 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1414
34e89507
JB		 1415 if (mac)
1416 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1417
b998e8bb 1418 sta_info_flush(sdata);
4fd6931e
JB		 1419 return 0;
1420}
1421
1422static int ieee80211_change_station(struct wiphy *wiphy,
77ee7c89 1423 struct net_device *dev, u8 *mac,
4fd6931e
JB		 1424 struct station_parameters *params)
1425{
abe60632 1426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1427 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1428 struct sta_info *sta;
1429 struct ieee80211_sub_if_data *vlansdata;
77ee7c89 1430 enum cfg80211_station_type statype;
35b88623 1431 int err;
4fd6931e 1432
87be1e1e 1433 mutex_lock(&local->sta_mtx);
98dd6a57 1434
0e5ded5a 1435 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1436 if (!sta) {
77ee7c89
JB		 1437 err = -ENOENT;
1438 goto out_err;
98dd6a57 1439 }
4fd6931e 1440
77ee7c89
JB		 1441 switch (sdata->vif.type) {
1442 case NL80211_IFTYPE_MESH_POINT:
a6dad6a2 1443 if (sdata->u.mesh.user_mpm)
eef941e6 1444 statype = CFG80211_STA_MESH_PEER_USER;
77ee7c89 1445 else
eef941e6 1446 statype = CFG80211_STA_MESH_PEER_KERNEL;
77ee7c89
JB		 1447 break;
1448 case NL80211_IFTYPE_ADHOC:
1449 statype = CFG80211_STA_IBSS;
1450 break;
1451 case NL80211_IFTYPE_STATION:
1452 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1453 statype = CFG80211_STA_AP_STA;
1454 break;
1455 }
1456 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1457 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1458 else
1459 statype = CFG80211_STA_TDLS_PEER_SETUP;
1460 break;
1461 case NL80211_IFTYPE_AP:
1462 case NL80211_IFTYPE_AP_VLAN:
1463 statype = CFG80211_STA_AP_CLIENT;
1464 break;
1465 default:
1466 err = -EOPNOTSUPP;
1467 goto out_err;
bdd90d5e
JB		 1468 }
1469
77ee7c89
JB		 1470 err = cfg80211_check_station_change(wiphy, params, statype);
1471 if (err)
1472 goto out_err;
1473
d0709a65 1474 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1475 bool prev_4addr = false;
1476 bool new_4addr = false;
1477
4fd6931e
JB		 1478 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1479
9bc383de 1480 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1481 if (vlansdata->u.vlan.sta) {
77ee7c89
JB		 1482 err = -EBUSY;
1483 goto out_err;
3305443c 1484 }
f14543ee 1485
cf778b00 1486 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1487 new_4addr = true;
1488 }
1489
1490 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1491 sta->sdata->u.vlan.sta) {
1492 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1493 prev_4addr = true;
f14543ee
FF		 1494 }
1495
14db74bc 1496 sta->sdata = vlansdata;
7e3ed02c
FF		 1497
1498 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1499 prev_4addr != new_4addr) {
1500 if (new_4addr)
1501 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1502 else
1503 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1504 }
1505
4fd6931e
JB		 1506 ieee80211_send_layer2_update(sta);
1507 }
1508
35b88623 1509 err = sta_apply_parameters(local, sta, params);
77ee7c89
JB		 1510 if (err)
1511 goto out_err;
4fd6931e 1512
77ee7c89
JB		 1513 /* When peer becomes authorized, init rate control as well */
1514 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1515 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
d64cf63e
AN		 1516 rate_control_rate_init(sta);
1517
87be1e1e 1518 mutex_unlock(&local->sta_mtx);
98dd6a57 1519
808118cb 1520 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1521 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1522 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1523 ieee80211_recalc_ps_vif(sdata);
1524 }
77ee7c89 1525
4fd6931e 1526 return 0;
77ee7c89
JB		 1527out_err:
1528 mutex_unlock(&local->sta_mtx);
1529 return err;
4fd6931e
JB		 1530}
1531
c5dd9c2b
LCC		 1532#ifdef CONFIG_MAC80211_MESH
1533static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1534 u8 *dst, u8 *next_hop)
1535{
14db74bc 1536 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1537 struct mesh_path *mpath;
1538 struct sta_info *sta;
1539 int err;
1540
14db74bc
JB		 1541 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1542
d0709a65 1543 rcu_read_lock();
abe60632 1544 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1545 if (!sta) {
1546 rcu_read_unlock();
c5dd9c2b 1547 return -ENOENT;
d0709a65 1548 }
c5dd9c2b 1549
bf7cd94d 1550 err = mesh_path_add(sdata, dst);
d0709a65
JB		 1551 if (err) {
1552 rcu_read_unlock();
c5dd9c2b 1553 return err;
d0709a65 1554 }
c5dd9c2b 1555
bf7cd94d 1556 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1557 if (!mpath) {
1558 rcu_read_unlock();
c5dd9c2b
LCC		 1559 return -ENXIO;
1560 }
1561 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1562
c5dd9c2b
LCC		 1563 rcu_read_unlock();
1564 return 0;
1565}
1566
1567static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
bf7cd94d 1568 u8 *dst)
c5dd9c2b 1569{
f698d856
JBG		 1570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1571
c5dd9c2b 1572 if (dst)
bf7cd94d 1573 return mesh_path_del(sdata, dst);
c5dd9c2b 1574
ece1a2e7 1575 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1576 return 0;
1577}
1578
1579static int ieee80211_change_mpath(struct wiphy *wiphy,
1580 struct net_device *dev,
1581 u8 *dst, u8 *next_hop)
1582{
14db74bc 1583 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1584 struct mesh_path *mpath;
1585 struct sta_info *sta;
1586
14db74bc
JB		 1587 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1588
d0709a65
JB		 1589 rcu_read_lock();
1590
abe60632 1591 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1592 if (!sta) {
1593 rcu_read_unlock();
c5dd9c2b 1594 return -ENOENT;
d0709a65 1595 }
c5dd9c2b 1596
bf7cd94d 1597 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1598 if (!mpath) {
1599 rcu_read_unlock();
c5dd9c2b
LCC		 1600 return -ENOENT;
1601 }
1602
1603 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1604
c5dd9c2b
LCC		 1605 rcu_read_unlock();
1606 return 0;
1607}
1608
1609static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1610 struct mpath_info *pinfo)
1611{
a3836e02
JB		 1612 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1613
1614 if (next_hop_sta)
1615 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1616 else
1617 memset(next_hop, 0, ETH_ALEN);
1618
7ce8c7a3
LAYS		 1619 memset(pinfo, 0, sizeof(*pinfo));
1620
f5ea9120
JB		 1621 pinfo->generation = mesh_paths_generation;
1622
c5dd9c2b 1623 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1624 MPATH_INFO_SN |
c5dd9c2b
LCC		 1625 MPATH_INFO_METRIC |
1626 MPATH_INFO_EXPTIME |
1627 MPATH_INFO_DISCOVERY_TIMEOUT |
1628 MPATH_INFO_DISCOVERY_RETRIES |
1629 MPATH_INFO_FLAGS;
1630
1631 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1632 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1633 pinfo->metric = mpath->metric;
1634 if (time_before(jiffies, mpath->exp_time))
1635 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1636 pinfo->discovery_timeout =
1637 jiffies_to_msecs(mpath->discovery_timeout);
1638 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1639 if (mpath->flags & MESH_PATH_ACTIVE)
1640 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1641 if (mpath->flags & MESH_PATH_RESOLVING)
1642 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1643 if (mpath->flags & MESH_PATH_SN_VALID)
1644 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1645 if (mpath->flags & MESH_PATH_FIXED)
1646 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1647 if (mpath->flags & MESH_PATH_RESOLVED)
1648 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1649}
1650
1651static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1652 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1653
1654{
14db74bc 1655 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1656 struct mesh_path *mpath;
1657
14db74bc
JB		 1658 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1659
c5dd9c2b 1660 rcu_read_lock();
bf7cd94d 1661 mpath = mesh_path_lookup(sdata, dst);
c5dd9c2b
LCC		 1662 if (!mpath) {
1663 rcu_read_unlock();
1664 return -ENOENT;
1665 }
1666 memcpy(dst, mpath->dst, ETH_ALEN);
1667 mpath_set_pinfo(mpath, next_hop, pinfo);
1668 rcu_read_unlock();
1669 return 0;
1670}
1671
1672static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1673 int idx, u8 *dst, u8 *next_hop,
1674 struct mpath_info *pinfo)
1675{
14db74bc 1676 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1677 struct mesh_path *mpath;
1678
14db74bc
JB		 1679 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1680
c5dd9c2b 1681 rcu_read_lock();
bf7cd94d 1682 mpath = mesh_path_lookup_by_idx(sdata, idx);
c5dd9c2b
LCC		 1683 if (!mpath) {
1684 rcu_read_unlock();
1685 return -ENOENT;
1686 }
1687 memcpy(dst, mpath->dst, ETH_ALEN);
1688 mpath_set_pinfo(mpath, next_hop, pinfo);
1689 rcu_read_unlock();
1690 return 0;
1691}
93da9cc1 1692
24bdd9f4 1693static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1694 struct net_device *dev,
1695 struct mesh_config *conf)
1696{
1697 struct ieee80211_sub_if_data *sdata;
1698 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1699
93da9cc1 1700 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1701 return 0;
1702}
1703
1704static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1705{
1706 return (mask >> (parm-1)) & 0x1;
1707}
1708
c80d545d
JC		 1709static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1710 const struct mesh_setup *setup)
1711{
1712 u8 *new_ie;
1713 const u8 *old_ie;
4bb62344
CYY		 1714 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1715 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1716
581a8b0f 1717 /* allocate information elements */
c80d545d 1718 new_ie = NULL;
581a8b0f 1719 old_ie = ifmsh->ie;
c80d545d 1720
581a8b0f
JC		 1721 if (setup->ie_len) {
1722 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1723 GFP_KERNEL);
1724 if (!new_ie)
1725 return -ENOMEM;
1726 }
581a8b0f
JC		 1727 ifmsh->ie_len = setup->ie_len;
1728 ifmsh->ie = new_ie;
1729 kfree(old_ie);
c80d545d
JC		 1730
1731 /* now copy the rest of the setup parameters */
1732 ifmsh->mesh_id_len = setup->mesh_id_len;
1733 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1734 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1735 ifmsh->mesh_pp_id = setup->path_sel_proto;
1736 ifmsh->mesh_pm_id = setup->path_metric;
a6dad6a2 1737 ifmsh->user_mpm = setup->user_mpm;
b130e5ce
JC		 1738 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1739 if (setup->is_authenticated)
1740 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1741 if (setup->is_secure)
1742 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1743
4bb62344
CYY		 1744 /* mcast rate setting in Mesh Node */
1745 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1746 sizeof(setup->mcast_rate));
1747
9bdbf04d
MP		 1748 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1749 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1750
c80d545d
JC		 1751 return 0;
1752}
1753
24bdd9f4 1754static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1755 struct net_device *dev, u32 mask,
1756 const struct mesh_config *nconf)
93da9cc1 1757{
1758 struct mesh_config *conf;
1759 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1760 struct ieee80211_if_mesh *ifmsh;
1761
93da9cc1 1762 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1763 ifmsh = &sdata->u.mesh;
93da9cc1 1764
93da9cc1 1765 /* Set the config options which we are interested in setting */
1766 conf = &(sdata->u.mesh.mshcfg);
1767 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1768 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1769 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1770 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1772 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1773 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1774 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1775 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1776 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1778 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1779 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1780 conf->element_ttl = nconf->element_ttl;
146bb483
TP		 1781 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1782 if (ifmsh->user_mpm)
1783 return -EBUSY;
93da9cc1 1784 conf->auto_open_plinks = nconf->auto_open_plinks;
146bb483 1785 }
d299a1f2
JC		 1786 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1787 conf->dot11MeshNbrOffsetMaxNeighbor =
1788 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1789 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1790 conf->dot11MeshHWMPmaxPREQretries =
1791 nconf->dot11MeshHWMPmaxPREQretries;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1793 conf->path_refresh_time = nconf->path_refresh_time;
1794 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1795 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1796 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1797 conf->dot11MeshHWMPactivePathTimeout =
1798 nconf->dot11MeshHWMPactivePathTimeout;
1799 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1800 conf->dot11MeshHWMPpreqMinInterval =
1801 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1802 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1803 conf->dot11MeshHWMPperrMinInterval =
1804 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1805 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1806 mask))
1807 conf->dot11MeshHWMPnetDiameterTraversalTime =
1808 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1809 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1810 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1811 ieee80211_mesh_root_setup(ifmsh);
1812 }
16dd7267 1813 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1814 /* our current gate announcement implementation rides on root
1815 * announcements, so require this ifmsh to also be a root node
1816 * */
1817 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1818 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1819 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1820 ieee80211_mesh_root_setup(ifmsh);
1821 }
16dd7267
JC		 1822 conf->dot11MeshGateAnnouncementProtocol =
1823 nconf->dot11MeshGateAnnouncementProtocol;
1824 }
a4f606ea 1825 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1826 conf->dot11MeshHWMPRannInterval =
1827 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1828 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1829 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1830 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1831 /* our RSSI threshold implementation is supported only for
1832 * devices that report signal in dBm.
1833 */
1834 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1835 return -ENOTSUPP;
1836 conf->rssi_threshold = nconf->rssi_threshold;
1837 }
70c33eaa
AN		 1838 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1839 conf->ht_opmode = nconf->ht_opmode;
1840 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1841 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1842 }
ac1073a6
CYY		 1843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1844 conf->dot11MeshHWMPactivePathToRootTimeout =
1845 nconf->dot11MeshHWMPactivePathToRootTimeout;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1847 conf->dot11MeshHWMProotInterval =
1848 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1850 conf->dot11MeshHWMPconfirmationInterval =
1851 nconf->dot11MeshHWMPconfirmationInterval;
3f52b7e3
MP		 1852 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1853 conf->power_mode = nconf->power_mode;
1854 ieee80211_mps_local_status_update(sdata);
1855 }
2b5e1967 1856 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
3f52b7e3
MP		 1857 conf->dot11MeshAwakeWindowDuration =
1858 nconf->dot11MeshAwakeWindowDuration;
2b5e1967 1859 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
93da9cc1 1860 return 0;
1861}
1862
29cbe68c
JB		 1863static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1864 const struct mesh_config *conf,
1865 const struct mesh_setup *setup)
1866{
1867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1869 int err;
29cbe68c 1870
c80d545d
JC		 1871 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1872 err = copy_mesh_setup(ifmsh, setup);
1873 if (err)
1874 return err;
cc1d2806 1875
04ecd257
JB		 1876 /* can mesh use other SMPS modes? */
1877 sdata->smps_mode = IEEE80211_SMPS_OFF;
1878 sdata->needed_rx_chains = sdata->local->rx_chains;
1879
4bf88530 1880 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1881 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1882 if (err)
1883 return err;
1884
2b5e1967 1885 return ieee80211_start_mesh(sdata);
29cbe68c
JB		 1886}
1887
1888static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1889{
1890 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1891
1892 ieee80211_stop_mesh(sdata);
55de908a 1893 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1894
1895 return 0;
1896}
c5dd9c2b
LCC		 1897#endif
1898
9f1ba906
JM		 1899static int ieee80211_change_bss(struct wiphy *wiphy,
1900 struct net_device *dev,
1901 struct bss_parameters *params)
1902{
55de908a
JB		 1903 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1904 enum ieee80211_band band;
9f1ba906
JM		 1905 u32 changed = 0;
1906
55de908a
JB		 1907 if (!rtnl_dereference(sdata->u.ap.beacon))
1908 return -ENOENT;
1909
1910 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1911
9f1ba906 1912 if (params->use_cts_prot >= 0) {
bda3933a 1913 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1914 changed |= BSS_CHANGED_ERP_CTS_PROT;
1915 }
1916 if (params->use_short_preamble >= 0) {
bda3933a 1917 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1918 params->use_short_preamble;
1919 changed |= BSS_CHANGED_ERP_PREAMBLE;
1920 }
43d35343
FF		 1921
1922 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1923 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1924 sdata->vif.bss_conf.use_short_slot = true;
1925 changed |= BSS_CHANGED_ERP_SLOT;
1926 }
1927
9f1ba906 1928 if (params->use_short_slot_time >= 0) {
bda3933a 1929 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1930 params->use_short_slot_time;
1931 changed |= BSS_CHANGED_ERP_SLOT;
1932 }
1933
90c97a04
JM		 1934 if (params->basic_rates) {
1935 int i, j;
1936 u32 rates = 0;
55de908a 1937 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1938
1939 for (i = 0; i < params->basic_rates_len; i++) {
1940 int rate = (params->basic_rates[i] & 0x7f) * 5;
1941 for (j = 0; j < sband->n_bitrates; j++) {
1942 if (sband->bitrates[j].bitrate == rate)
1943 rates |= BIT(j);
1944 }
1945 }
1946 sdata->vif.bss_conf.basic_rates = rates;
1947 changed |= BSS_CHANGED_BASIC_RATES;
1948 }
1949
7b7b5e56
FF		 1950 if (params->ap_isolate >= 0) {
1951 if (params->ap_isolate)
1952 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1953 else
1954 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1955 }
1956
80d7e403
HS		 1957 if (params->ht_opmode >= 0) {
1958 sdata->vif.bss_conf.ht_operation_mode =
1959 (u16) params->ht_opmode;
1960 changed |= BSS_CHANGED_HT;
1961 }
1962
339afbf4
JB		 1963 if (params->p2p_ctwindow >= 0) {
1964 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1965 changed |= BSS_CHANGED_P2P_PS;
1966 }
1967
1968 if (params->p2p_opp_ps >= 0) {
1969 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1970 changed |= BSS_CHANGED_P2P_PS;
1971 }
1972
9f1ba906
JM		 1973 ieee80211_bss_info_change_notify(sdata, changed);
1974
1975 return 0;
1976}
1977
31888487 1978static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1979 struct net_device *dev,
31888487
JM		 1980 struct ieee80211_txq_params *params)
1981{
1982 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1983 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1984 struct ieee80211_tx_queue_params p;
1985
1986 if (!local->ops->conf_tx)
1987 return -EOPNOTSUPP;
1988
54bcbc69
JB		 1989 if (local->hw.queues < IEEE80211_NUM_ACS)
1990 return -EOPNOTSUPP;
1991
31888487
JM		 1992 memset(&p, 0, sizeof(p));
1993 p.aifs = params->aifs;
1994 p.cw_max = params->cwmax;
1995 p.cw_min = params->cwmin;
1996 p.txop = params->txop;
ab13315a
KV		 1997
1998 /*
1999 * Setting tx queue params disables u-apsd because it's only
2000 * called in master mode.
2001 */
2002 p.uapsd = false;
2003
a3304b0a
JB		 2004 sdata->tx_conf[params->ac] = p;
2005 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 2006 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 2007 "failed to set TX queue parameters for AC %d\n",
2008 params->ac);
31888487
JM		 2009 return -EINVAL;
2010 }
2011
7d25745d
JB		 2012 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2013
31888487
JM		 2014 return 0;
2015}
2016
665af4fc 2017#ifdef CONFIG_PM
ff1b6e69
JB		 2018static int ieee80211_suspend(struct wiphy *wiphy,
2019 struct cfg80211_wowlan *wowlan)
665af4fc 2020{
eecc4800 2021 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 2022}
2023
2024static int ieee80211_resume(struct wiphy *wiphy)
2025{
2026 return __ieee80211_resume(wiphy_priv(wiphy));
2027}
2028#else
2029#define ieee80211_suspend NULL
2030#define ieee80211_resume NULL
2031#endif
2032
2a519311 2033static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 2034 struct cfg80211_scan_request *req)
2035{
fd014284
JB		 2036 struct ieee80211_sub_if_data *sdata;
2037
2038 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 2039
2ca27bcf
JB		 2040 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2041 case NL80211_IFTYPE_STATION:
2042 case NL80211_IFTYPE_ADHOC:
2043 case NL80211_IFTYPE_MESH_POINT:
2044 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 2045 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 2046 break;
2047 case NL80211_IFTYPE_P2P_GO:
2048 if (sdata->local->ops->hw_scan)
2049 break;
e9d7732e
JB		 2050 /*
2051 * FIXME: implement NoA while scanning in software,
2052 * for now fall through to allow scanning only when
2053 * beaconing hasn't been configured yet
2054 */
2ca27bcf 2055 case NL80211_IFTYPE_AP:
5c95b940
AQ		 2056 /*
2057 * If the scan has been forced (and the driver supports
2058 * forcing), don't care about being beaconing already.
2059 * This will create problems to the attached stations (e.g. all
2060 * the frames sent while scanning on other channel will be
2061 * lost)
2062 */
2063 if (sdata->u.ap.beacon &&
2064 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2065 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 2066 return -EOPNOTSUPP;
2067 break;
2068 default:
2069 return -EOPNOTSUPP;
2070 }
2a519311
JB		 2071
2072 return ieee80211_request_scan(sdata, req);
2073}
2074
79f460ca
LC		 2075static int
2076ieee80211_sched_scan_start(struct wiphy *wiphy,
2077 struct net_device *dev,
2078 struct cfg80211_sched_scan_request *req)
2079{
2080 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2081
2082 if (!sdata->local->ops->sched_scan_start)
2083 return -EOPNOTSUPP;
2084
2085 return ieee80211_request_sched_scan_start(sdata, req);
2086}
2087
2088static int
85a9994a 2089ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 2090{
2091 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2092
2093 if (!sdata->local->ops->sched_scan_stop)
2094 return -EOPNOTSUPP;
2095
85a9994a 2096 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2097}
2098
636a5d36
JM		 2099static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2100 struct cfg80211_auth_request *req)
2101{
77fdaa12 2102 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2103}
2104
2105static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2106 struct cfg80211_assoc_request *req)
2107{
77fdaa12 2108 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2109}
2110
2111static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2112 struct cfg80211_deauth_request *req)
636a5d36 2113{
63c9c5e7 2114 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2115}
2116
2117static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2118 struct cfg80211_disassoc_request *req)
636a5d36 2119{
63c9c5e7 2120 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2121}
2122
af8cdcd8
JB		 2123static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2124 struct cfg80211_ibss_params *params)
2125{
55de908a 2126 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2127}
2128
2129static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2130{
55de908a 2131 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2132}
2133
391e53e3
AQ		 2134static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2135 int rate[IEEE80211_NUM_BANDS])
2136{
2137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2138
9887dbf5
CD		 2139 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2140 sizeof(int) * IEEE80211_NUM_BANDS);
391e53e3
AQ		 2141
2142 return 0;
2143}
2144
b9a5f8ca
JM		 2145static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2146{
2147 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2148 int err;
b9a5f8ca 2149
f23a4780
AN		 2150 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2151 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2152
2153 if (err)
2154 return err;
2155 }
2156
310bc676
LT		 2157 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2158 err = drv_set_coverage_class(local, wiphy->coverage_class);
2159
2160 if (err)
2161 return err;
2162 }
2163
b9a5f8ca 2164 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2165 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2166
24487981
JB		 2167 if (err)
2168 return err;
b9a5f8ca
JM		 2169 }
2170
8bc83c24
JB		 2171 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2172 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2173 return -EINVAL;
b9a5f8ca 2174 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2175 }
2176 if (changed & WIPHY_PARAM_RETRY_LONG) {
2177 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2178 return -EINVAL;
b9a5f8ca 2179 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2180 }
b9a5f8ca
JM		 2181 if (changed &
2182 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2183 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2184
2185 return 0;
2186}
2187
7643a2c3 2188static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2189 struct wireless_dev *wdev,
fa61cf70 2190 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2191{
2192 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2193 struct ieee80211_sub_if_data *sdata;
7643a2c3 2194
1ea6f9c0
JB		 2195 if (wdev) {
2196 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2197
2198 switch (type) {
2199 case NL80211_TX_POWER_AUTOMATIC:
2200 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2201 break;
2202 case NL80211_TX_POWER_LIMITED:
2203 case NL80211_TX_POWER_FIXED:
2204 if (mbm < 0 || (mbm % 100))
2205 return -EOPNOTSUPP;
2206 sdata->user_power_level = MBM_TO_DBM(mbm);
2207 break;
2208 }
2209
2210 ieee80211_recalc_txpower(sdata);
2211
2212 return 0;
2213 }
55de908a 2214
7643a2c3 2215 switch (type) {
fa61cf70 2216 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2217 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2218 break;
fa61cf70 2219 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2220 case NL80211_TX_POWER_FIXED:
2221 if (mbm < 0 || (mbm % 100))
2222 return -EOPNOTSUPP;
fa61cf70 2223 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2224 break;
7643a2c3
JB		 2225 }
2226
1ea6f9c0
JB		 2227 mutex_lock(&local->iflist_mtx);
2228 list_for_each_entry(sdata, &local->interfaces, list)
2229 sdata->user_power_level = local->user_power_level;
2230 list_for_each_entry(sdata, &local->interfaces, list)
2231 ieee80211_recalc_txpower(sdata);
2232 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2233
2234 return 0;
2235}
2236
c8442118
JB		 2237static int ieee80211_get_tx_power(struct wiphy *wiphy,
2238 struct wireless_dev *wdev,
2239 int *dbm)
7643a2c3
JB		 2240{
2241 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2242 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2243
1ea6f9c0
JB		 2244 if (!local->use_chanctx)
2245 *dbm = local->hw.conf.power_level;
2246 else
2247 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2248
7643a2c3
JB		 2249 return 0;
2250}
2251
ab737a4f 2252static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2253 const u8 *addr)
ab737a4f
JB		 2254{
2255 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2256
2257 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2258
2259 return 0;
2260}
2261
1f87f7d3
JB		 2262static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2263{
2264 struct ieee80211_local *local = wiphy_priv(wiphy);
2265
2266 drv_rfkill_poll(local);
2267}
2268
aff89a9b 2269#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2270static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2271{
2272 struct ieee80211_local *local = wiphy_priv(wiphy);
2273
2274 if (!local->ops->testmode_cmd)
2275 return -EOPNOTSUPP;
2276
2277 return local->ops->testmode_cmd(&local->hw, data, len);
2278}
71063f0e
WYG		 2279
2280static int ieee80211_testmode_dump(struct wiphy *wiphy,
2281 struct sk_buff *skb,
2282 struct netlink_callback *cb,
2283 void *data, int len)
2284{
2285 struct ieee80211_local *local = wiphy_priv(wiphy);
2286
2287 if (!local->ops->testmode_dump)
2288 return -EOPNOTSUPP;
2289
2290 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2291}
aff89a9b
JB		 2292#endif
2293
0f78231b
JB		 2294int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2295 enum ieee80211_smps_mode smps_mode)
2296{
2297 const u8 *ap;
2298 enum ieee80211_smps_mode old_req;
2299 int err;
2300
243e6df4
JB		 2301 lockdep_assert_held(&sdata->u.mgd.mtx);
2302
0f78231b
JB		 2303 old_req = sdata->u.mgd.req_smps;
2304 sdata->u.mgd.req_smps = smps_mode;
2305
2306 if (old_req == smps_mode &&
2307 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2308 return 0;
2309
2310 /*
2311 * If not associated, or current association is not an HT
04ecd257
JB		 2312 * association, there's no need to do anything, just store
2313 * the new value until we associate.
0f78231b
JB		 2314 */
2315 if (!sdata->u.mgd.associated ||
4bf88530 2316 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2317 return 0;
0f78231b 2318
0c1ad2ca 2319 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2320
2321 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2322 if (sdata->u.mgd.powersave)
2323 smps_mode = IEEE80211_SMPS_DYNAMIC;
2324 else
2325 smps_mode = IEEE80211_SMPS_OFF;
2326 }
2327
2328 /* send SM PS frame to AP */
2329 err = ieee80211_send_smps_action(sdata, smps_mode,
2330 ap, ap);
2331 if (err)
2332 sdata->u.mgd.req_smps = old_req;
2333
2334 return err;
2335}
2336
bc92afd9
JB		 2337static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2338 bool enabled, int timeout)
2339{
2340 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2341 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2342
ee1f6681
CYY		 2343 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2344 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2345 return -EOPNOTSUPP;
2346
bc92afd9
JB		 2347 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2348 return -EOPNOTSUPP;
2349
2350 if (enabled == sdata->u.mgd.powersave &&
ff616381 2351 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2352 return 0;
2353
2354 sdata->u.mgd.powersave = enabled;
ff616381 2355 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2356
0f78231b
JB		 2357 /* no change, but if automatic follow powersave */
2358 mutex_lock(&sdata->u.mgd.mtx);
2359 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2360 mutex_unlock(&sdata->u.mgd.mtx);
2361
bc92afd9
JB		 2362 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2363 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2364
2365 ieee80211_recalc_ps(local, -1);
ab095877 2366 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2367
2368 return 0;
2369}
2370
a97c13c3
JO		 2371static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2372 struct net_device *dev,
2373 s32 rssi_thold, u32 rssi_hyst)
2374{
2375 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2376 struct ieee80211_vif *vif = &sdata->vif;
2377 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2378
a97c13c3
JO		 2379 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2380 rssi_hyst == bss_conf->cqm_rssi_hyst)
2381 return 0;
2382
2383 bss_conf->cqm_rssi_thold = rssi_thold;
2384 bss_conf->cqm_rssi_hyst = rssi_hyst;
2385
2386 /* tell the driver upon association, unless already associated */
ea086359
JB		 2387 if (sdata->u.mgd.associated &&
2388 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2389 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2390
2391 return 0;
2392}
2393
9930380f
JB		 2394static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2395 struct net_device *dev,
2396 const u8 *addr,
2397 const struct cfg80211_bitrate_mask *mask)
2398{
2399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2400 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2401 int i, ret;
2c7e6bc9 2402
554a43d5
EP		 2403 if (!ieee80211_sdata_running(sdata))
2404 return -ENETDOWN;
2405
bdbfd6b5
SM		 2406 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2407 ret = drv_set_bitrate_mask(local, sdata, mask);
2408 if (ret)
2409 return ret;
2410 }
9930380f 2411
19468413 2412 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2413 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2414 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2415 sizeof(mask->control[i].mcs));
2416 }
9930380f 2417
37eb0b16 2418 return 0;
9930380f
JB		 2419}
2420
2eb278e0
JB		 2421static int ieee80211_start_roc_work(struct ieee80211_local *local,
2422 struct ieee80211_sub_if_data *sdata,
2423 struct ieee80211_channel *channel,
2eb278e0 2424 unsigned int duration, u64 *cookie,
d339d5ca
IP		 2425 struct sk_buff *txskb,
2426 enum ieee80211_roc_type type)
2eb278e0
JB		 2427{
2428 struct ieee80211_roc_work *roc, *tmp;
2429 bool queued = false;
21f83589 2430 int ret;
21f83589
JB		 2431
2432 lockdep_assert_held(&local->mtx);
2433
fe57d9f5
JB		 2434 if (local->use_chanctx && !local->ops->remain_on_channel)
2435 return -EOPNOTSUPP;
2436
2eb278e0
JB		 2437 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2438 if (!roc)
2439 return -ENOMEM;
2440
2441 roc->chan = channel;
2eb278e0
JB		 2442 roc->duration = duration;
2443 roc->req_duration = duration;
2444 roc->frame = txskb;
d339d5ca 2445 roc->type = type;
2eb278e0
JB		 2446 roc->mgmt_tx_cookie = (unsigned long)txskb;
2447 roc->sdata = sdata;
2448 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2449 INIT_LIST_HEAD(&roc->dependents);
2450
2451 /* if there's one pending or we're scanning, queue this one */
164eb02d
SW		 2452 if (!list_empty(&local->roc_list) ||
2453 local->scanning || local->radar_detect_enabled)
2eb278e0
JB		 2454 goto out_check_combine;
2455
2456 /* if not HW assist, just queue & schedule work */
2457 if (!local->ops->remain_on_channel) {
2458 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2459 goto out_queue;
2460 }
2461
2462 /* otherwise actually kick it off here (for error handling) */
2463
2464 /*
2465 * If the duration is zero, then the driver
2466 * wouldn't actually do anything. Set it to
2467 * 10 for now.
2468 *
2469 * TODO: cancel the off-channel operation
2470 * when we get the SKB's TX status and
2471 * the wait time was zero before.
2472 */
2473 if (!duration)
2474 duration = 10;
2475
d339d5ca 2476 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
21f83589 2477 if (ret) {
2eb278e0
JB		 2478 kfree(roc);
2479 return ret;
21f83589
JB		 2480 }
2481
2eb278e0
JB		 2482 roc->started = true;
2483 goto out_queue;
2484
2485 out_check_combine:
2486 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2487 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2488 continue;
2489
2490 /*
2491 * Extend this ROC if possible:
2492 *
2493 * If it hasn't started yet, just increase the duration
2494 * and add the new one to the list of dependents.
d339d5ca
IP		 2495 * If the type of the new ROC has higher priority, modify the
2496 * type of the previous one to match that of the new one.
2eb278e0
JB		 2497 */
2498 if (!tmp->started) {
2499 list_add_tail(&roc->list, &tmp->dependents);
2500 tmp->duration = max(tmp->duration, roc->duration);
d339d5ca 2501 tmp->type = max(tmp->type, roc->type);
2eb278e0
JB		 2502 queued = true;
2503 break;
2504 }
2505
2506 /* If it has already started, it's more difficult ... */
2507 if (local->ops->remain_on_channel) {
2508 unsigned long j = jiffies;
2509
2510 /*
2511 * In the offloaded ROC case, if it hasn't begun, add
2512 * this new one to the dependent list to be handled
d339d5ca 2513 * when the master one begins. If it has begun,
2eb278e0
JB		 2514 * check that there's still a minimum time left and
2515 * if so, start this one, transmitting the frame, but
d339d5ca 2516 * add it to the list directly after this one with
2eb278e0
JB		 2517 * a reduced time so we'll ask the driver to execute
2518 * it right after finishing the previous one, in the
2519 * hope that it'll also be executed right afterwards,
2520 * effectively extending the old one.
2521 * If there's no minimum time left, just add it to the
2522 * normal list.
d339d5ca
IP		 2523 * TODO: the ROC type is ignored here, assuming that it
2524 * is better to immediately use the current ROC.
2eb278e0
JB		 2525 */
2526 if (!tmp->hw_begun) {
2527 list_add_tail(&roc->list, &tmp->dependents);
2528 queued = true;
2529 break;
2530 }
2531
2532 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2533 tmp->hw_start_time +
2534 msecs_to_jiffies(tmp->duration))) {
2535 int new_dur;
2536
2537 ieee80211_handle_roc_started(roc);
2538
2539 new_dur = roc->duration -
2540 jiffies_to_msecs(tmp->hw_start_time +
2541 msecs_to_jiffies(
2542 tmp->duration) -
2543 j);
2544
2545 if (new_dur > 0) {
2546 /* add right after tmp */
2547 list_add(&roc->list, &tmp->list);
2548 } else {
2549 list_add_tail(&roc->list,
2550 &tmp->dependents);
2551 }
2552 queued = true;
2553 }
2554 } else if (del_timer_sync(&tmp->work.timer)) {
2555 unsigned long new_end;
2556
2557 /*
2558 * In the software ROC case, cancel the timer, if
2559 * that fails then the finish work is already
2560 * queued/pending and thus we queue the new ROC
2561 * normally, if that succeeds then we can extend
2562 * the timer duration and TX the frame (if any.)
2563 */
2564
2565 list_add_tail(&roc->list, &tmp->dependents);
2566 queued = true;
2567
2568 new_end = jiffies + msecs_to_jiffies(roc->duration);
2569
2570 /* ok, it was started & we canceled timer */
2571 if (time_after(new_end, tmp->work.timer.expires))
2572 mod_timer(&tmp->work.timer, new_end);
2573 else
2574 add_timer(&tmp->work.timer);
2575
2576 ieee80211_handle_roc_started(roc);
2577 }
2578 break;
2579 }
2580
2581 out_queue:
2582 if (!queued)
2583 list_add_tail(&roc->list, &local->roc_list);
2584
2585 /*
50febf6a 2586 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2587 * or the SKB (for mgmt TX)
2588 */
50febf6a
JB		 2589 if (!txskb) {
2590 /* local->mtx protects this */
2591 local->roc_cookie_counter++;
2592 roc->cookie = local->roc_cookie_counter;
2593 /* wow, you wrapped 64 bits ... more likely a bug */
2594 if (WARN_ON(roc->cookie == 0)) {
2595 roc->cookie = 1;
2596 local->roc_cookie_counter++;
2597 }
2598 *cookie = roc->cookie;
2599 } else {
2eb278e0 2600 *cookie = (unsigned long)txskb;
50febf6a 2601 }
2eb278e0
JB		 2602
2603 return 0;
21f83589
JB		 2604}
2605
b8bc4b0a 2606static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2607 struct wireless_dev *wdev,
b8bc4b0a 2608 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2609 unsigned int duration,
2610 u64 *cookie)
2611{
71bbc994 2612 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2613 struct ieee80211_local *local = sdata->local;
2eb278e0 2614 int ret;
21f83589 2615
2eb278e0 2616 mutex_lock(&local->mtx);
42d97a59 2617 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2618 duration, cookie, NULL,
2619 IEEE80211_ROC_TYPE_NORMAL);
2eb278e0 2620 mutex_unlock(&local->mtx);
b8bc4b0a 2621
2eb278e0 2622 return ret;
b8bc4b0a
JB		 2623}
2624
2eb278e0
JB		 2625static int ieee80211_cancel_roc(struct ieee80211_local *local,
2626 u64 cookie, bool mgmt_tx)
21f83589 2627{
2eb278e0 2628 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2629 int ret;
2630
2eb278e0
JB		 2631 mutex_lock(&local->mtx);
2632 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2633 struct ieee80211_roc_work *dep, *tmp2;
2634
2635 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2636 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2637 continue;
2638 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2639 continue;
2640 /* found dependent item -- just remove it */
2641 list_del(&dep->list);
2642 mutex_unlock(&local->mtx);
2643
2644 ieee80211_roc_notify_destroy(dep);
2645 return 0;
2646 }
2647
50febf6a 2648 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2649 continue;
2650 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2651 continue;
21f83589 2652
2eb278e0
JB		 2653 found = roc;
2654 break;
2655 }
21f83589 2656
2eb278e0
JB		 2657 if (!found) {
2658 mutex_unlock(&local->mtx);
2659 return -ENOENT;
2660 }
21f83589 2661
e979e33c
JB		 2662 /*
2663 * We found the item to cancel, so do that. Note that it
2664 * may have dependents, which we also cancel (and send
2665 * the expired signal for.) Not doing so would be quite
2666 * tricky here, but we may need to fix it later.
2667 */
2668
2eb278e0
JB		 2669 if (local->ops->remain_on_channel) {
2670 if (found->started) {
2671 ret = drv_cancel_remain_on_channel(local);
2672 if (WARN_ON_ONCE(ret)) {
2673 mutex_unlock(&local->mtx);
2674 return ret;
2675 }
2676 }
21f83589 2677
2eb278e0 2678 list_del(&found->list);
21f83589 2679
0f6b3f59
JB		 2680 if (found->started)
2681 ieee80211_start_next_roc(local);
2eb278e0 2682 mutex_unlock(&local->mtx);
21f83589 2683
2eb278e0
JB		 2684 ieee80211_roc_notify_destroy(found);
2685 } else {
2686 /* work may be pending so use it all the time */
2687 found->abort = true;
2688 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2689
21f83589
JB		 2690 mutex_unlock(&local->mtx);
2691
2eb278e0
JB		 2692 /* work will clean up etc */
2693 flush_delayed_work(&found->work);
21f83589 2694 }
b8bc4b0a 2695
2eb278e0 2696 return 0;
b8bc4b0a
JB		 2697}
2698
2eb278e0 2699static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2700 struct wireless_dev *wdev,
2eb278e0 2701 u64 cookie)
f30221e4 2702{
71bbc994 2703 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2704 struct ieee80211_local *local = sdata->local;
f30221e4 2705
2eb278e0 2706 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2707}
2708
164eb02d
SW		 2709static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2710 struct net_device *dev,
2711 struct cfg80211_chan_def *chandef)
2712{
2713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2714 struct ieee80211_local *local = sdata->local;
2715 unsigned long timeout;
2716 int err;
2717
2718 if (!list_empty(&local->roc_list) || local->scanning)
2719 return -EBUSY;
2720
2721 /* whatever, but channel contexts should not complain about that one */
2722 sdata->smps_mode = IEEE80211_SMPS_OFF;
2723 sdata->needed_rx_chains = local->rx_chains;
2724 sdata->radar_required = true;
2725
2726 mutex_lock(&local->iflist_mtx);
2727 err = ieee80211_vif_use_channel(sdata, chandef,
2728 IEEE80211_CHANCTX_SHARED);
2729 mutex_unlock(&local->iflist_mtx);
2730 if (err)
2731 return err;
2732
2733 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2734 ieee80211_queue_delayed_work(&sdata->local->hw,
2735 &sdata->dfs_cac_timer_work, timeout);
2736
2737 return 0;
2738}
2739
71bbc994 2740static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2741 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2742 unsigned int wait, const u8 *buf, size_t len,
2743 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2744{
71bbc994 2745 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2746 struct ieee80211_local *local = sdata->local;
2747 struct sk_buff *skb;
2748 struct sta_info *sta;
2749 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2750 bool need_offchan = false;
e247bd90 2751 u32 flags;
2eb278e0 2752 int ret;
f7ca38df 2753
e247bd90
JB		 2754 if (dont_wait_for_ack)
2755 flags = IEEE80211_TX_CTL_NO_ACK;
2756 else
2757 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2758 IEEE80211_TX_CTL_REQ_TX_STATUS;
2759
aad14ceb
RM		 2760 if (no_cck)
2761 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2762
9d38d85d
JB		 2763 switch (sdata->vif.type) {
2764 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2765 if (!sdata->vif.bss_conf.ibss_joined)
2766 need_offchan = true;
2767 /* fall through */
2768#ifdef CONFIG_MAC80211_MESH
2769 case NL80211_IFTYPE_MESH_POINT:
2770 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2771 !sdata->u.mesh.mesh_id_len)
2772 need_offchan = true;
2773 /* fall through */
2774#endif
663fcafd
JB		 2775 case NL80211_IFTYPE_AP:
2776 case NL80211_IFTYPE_AP_VLAN:
2777 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2778 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2779 !ieee80211_vif_is_mesh(&sdata->vif) &&
2780 !rcu_access_pointer(sdata->bss->beacon))
2781 need_offchan = true;
663fcafd
JB		 2782 if (!ieee80211_is_action(mgmt->frame_control) ||
2783 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2784 break;
2785 rcu_read_lock();
2786 sta = sta_info_get(sdata, mgmt->da);
2787 rcu_read_unlock();
2788 if (!sta)
2789 return -ENOLINK;
2790 break;
2791 case NL80211_IFTYPE_STATION:
663fcafd 2792 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2793 if (!sdata->u.mgd.associated)
2794 need_offchan = true;
9d38d85d 2795 break;
f142c6b9
JB		 2796 case NL80211_IFTYPE_P2P_DEVICE:
2797 need_offchan = true;
2798 break;
9d38d85d
JB		 2799 default:
2800 return -EOPNOTSUPP;
2801 }
2802
2eb278e0
JB		 2803 mutex_lock(&local->mtx);
2804
2805 /* Check if the operating channel is the requested channel */
2806 if (!need_offchan) {
55de908a
JB		 2807 struct ieee80211_chanctx_conf *chanctx_conf;
2808
2809 rcu_read_lock();
2810 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2811
42d97a59 2812 if (chanctx_conf)
4bf88530 2813 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2814 else
2eb278e0 2815 need_offchan = true;
55de908a 2816 rcu_read_unlock();
2eb278e0
JB		 2817 }
2818
2819 if (need_offchan && !offchan) {
2820 ret = -EBUSY;
2821 goto out_unlock;
2822 }
2823
9d38d85d 2824 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2825 if (!skb) {
2826 ret = -ENOMEM;
2827 goto out_unlock;
2828 }
9d38d85d
JB		 2829 skb_reserve(skb, local->hw.extra_tx_headroom);
2830
2831 memcpy(skb_put(skb, len), buf, len);
2832
2833 IEEE80211_SKB_CB(skb)->flags = flags;
2834
2835 skb->dev = sdata->dev;
9d38d85d 2836
2eb278e0 2837 if (!need_offchan) {
7f9f78ab 2838 *cookie = (unsigned long) skb;
f30221e4 2839 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2840 ret = 0;
2841 goto out_unlock;
f30221e4
JB		 2842 }
2843
6c17b77b
SF		 2844 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2845 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2eb278e0
JB		 2846 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2847 IEEE80211_SKB_CB(skb)->hw_queue =
2848 local->hw.offchannel_tx_hw_queue;
f30221e4 2849
2eb278e0 2850 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2851 ret = ieee80211_start_roc_work(local, sdata, chan,
d339d5ca
IP		 2852 wait, cookie, skb,
2853 IEEE80211_ROC_TYPE_MGMT_TX);
2eb278e0
JB		 2854 if (ret)
2855 kfree_skb(skb);
2856 out_unlock:
2857 mutex_unlock(&local->mtx);
2858 return ret;
026331c4
JM		 2859}
2860
f30221e4 2861static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2862 struct wireless_dev *wdev,
f30221e4
JB		 2863 u64 cookie)
2864{
71bbc994 2865 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2866
2eb278e0 2867 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2868}
2869
7be5086d 2870static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2871 struct wireless_dev *wdev,
7be5086d
JB		 2872 u16 frame_type, bool reg)
2873{
2874 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2875 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2876
6abe0563
WH		 2877 switch (frame_type) {
2878 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2879 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2880 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2881
6abe0563
WH		 2882 if (reg)
2883 ifibss->auth_frame_registrations++;
2884 else
2885 ifibss->auth_frame_registrations--;
2886 }
2887 break;
2888 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2889 if (reg)
2890 local->probe_req_reg++;
2891 else
2892 local->probe_req_reg--;
7be5086d 2893
35f5149e
FF		 2894 if (!local->open_count)
2895 break;
2896
6abe0563
WH		 2897 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2898 break;
2899 default:
2900 break;
2901 }
7be5086d
JB		 2902}
2903
15d96753
BR		 2904static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2905{
2906 struct ieee80211_local *local = wiphy_priv(wiphy);
2907
2908 if (local->started)
2909 return -EOPNOTSUPP;
2910
2911 return drv_set_antenna(local, tx_ant, rx_ant);
2912}
2913
2914static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2915{
2916 struct ieee80211_local *local = wiphy_priv(wiphy);
2917
2918 return drv_get_antenna(local, tx_ant, rx_ant);
2919}
2920
38c09159
JL		 2921static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2922{
2923 struct ieee80211_local *local = wiphy_priv(wiphy);
2924
2925 return drv_set_ringparam(local, tx, rx);
2926}
2927
2928static void ieee80211_get_ringparam(struct wiphy *wiphy,
2929 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2930{
2931 struct ieee80211_local *local = wiphy_priv(wiphy);
2932
2933 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2934}
2935
c68f4b89
JB		 2936static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2937 struct net_device *dev,
2938 struct cfg80211_gtk_rekey_data *data)
2939{
2940 struct ieee80211_local *local = wiphy_priv(wiphy);
2941 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2942
2943 if (!local->ops->set_rekey_data)
2944 return -EOPNOTSUPP;
2945
2946 drv_set_rekey_data(local, sdata, data);
2947
2948 return 0;
2949}
2950
dfe018bf
AN		 2951static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2952{
2953 u8 *pos = (void *)skb_put(skb, 7);
2954
2955 *pos++ = WLAN_EID_EXT_CAPABILITY;
2956 *pos++ = 5; /* len */
2957 *pos++ = 0x0;
2958 *pos++ = 0x0;
2959 *pos++ = 0x0;
2960 *pos++ = 0x0;
2961 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2962}
2963
2964static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2965{
2966 struct ieee80211_local *local = sdata->local;
2967 u16 capab;
2968
2969 capab = 0;
55de908a 2970 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2971 return capab;
2972
2973 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2974 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2975 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2976 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2977
2978 return capab;
2979}
2980
2981static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2982 u8 *peer, u8 *bssid)
2983{
2984 struct ieee80211_tdls_lnkie *lnkid;
2985
2986 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2987
2988 lnkid->ie_type = WLAN_EID_LINK_ID;
2989 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2990
2991 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2992 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2993 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2994}
2995
2996static int
2997ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2998 u8 *peer, u8 action_code, u8 dialog_token,
2999 u16 status_code, struct sk_buff *skb)
3000{
3001 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3002 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3003 struct ieee80211_tdls_data *tf;
3004
3005 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3006
3007 memcpy(tf->da, peer, ETH_ALEN);
3008 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3009 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3010 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3011
3012 switch (action_code) {
3013 case WLAN_TDLS_SETUP_REQUEST:
3014 tf->category = WLAN_CATEGORY_TDLS;
3015 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3016
3017 skb_put(skb, sizeof(tf->u.setup_req));
3018 tf->u.setup_req.dialog_token = dialog_token;
3019 tf->u.setup_req.capability =
3020 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3021
55de908a
JB		 3022 ieee80211_add_srates_ie(sdata, skb, false, band);
3023 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3024 ieee80211_tdls_add_ext_capab(skb);
3025 break;
3026 case WLAN_TDLS_SETUP_RESPONSE:
3027 tf->category = WLAN_CATEGORY_TDLS;
3028 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3029
3030 skb_put(skb, sizeof(tf->u.setup_resp));
3031 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3032 tf->u.setup_resp.dialog_token = dialog_token;
3033 tf->u.setup_resp.capability =
3034 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3035
55de908a
JB		 3036 ieee80211_add_srates_ie(sdata, skb, false, band);
3037 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3038 ieee80211_tdls_add_ext_capab(skb);
3039 break;
3040 case WLAN_TDLS_SETUP_CONFIRM:
3041 tf->category = WLAN_CATEGORY_TDLS;
3042 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3043
3044 skb_put(skb, sizeof(tf->u.setup_cfm));
3045 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3046 tf->u.setup_cfm.dialog_token = dialog_token;
3047 break;
3048 case WLAN_TDLS_TEARDOWN:
3049 tf->category = WLAN_CATEGORY_TDLS;
3050 tf->action_code = WLAN_TDLS_TEARDOWN;
3051
3052 skb_put(skb, sizeof(tf->u.teardown));
3053 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3054 break;
3055 case WLAN_TDLS_DISCOVERY_REQUEST:
3056 tf->category = WLAN_CATEGORY_TDLS;
3057 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3058
3059 skb_put(skb, sizeof(tf->u.discover_req));
3060 tf->u.discover_req.dialog_token = dialog_token;
3061 break;
3062 default:
3063 return -EINVAL;
3064 }
3065
3066 return 0;
3067}
3068
3069static int
3070ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3071 u8 *peer, u8 action_code, u8 dialog_token,
3072 u16 status_code, struct sk_buff *skb)
3073{
3074 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 3075 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 3076 struct ieee80211_mgmt *mgmt;
3077
3078 mgmt = (void *)skb_put(skb, 24);
3079 memset(mgmt, 0, 24);
3080 memcpy(mgmt->da, peer, ETH_ALEN);
3081 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3082 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3083
3084 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3085 IEEE80211_STYPE_ACTION);
3086
3087 switch (action_code) {
3088 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3089 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3090 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3091 mgmt->u.action.u.tdls_discover_resp.action_code =
3092 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3093 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3094 dialog_token;
3095 mgmt->u.action.u.tdls_discover_resp.capability =
3096 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3097
55de908a
JB		 3098 ieee80211_add_srates_ie(sdata, skb, false, band);
3099 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 3100 ieee80211_tdls_add_ext_capab(skb);
3101 break;
3102 default:
3103 return -EINVAL;
3104 }
3105
3106 return 0;
3107}
3108
3109static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3110 u8 *peer, u8 action_code, u8 dialog_token,
3111 u16 status_code, const u8 *extra_ies,
3112 size_t extra_ies_len)
3113{
3114 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3115 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 3116 struct sk_buff *skb = NULL;
3117 bool send_direct;
3118 int ret;
3119
3120 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3121 return -ENOTSUPP;
3122
3123 /* make sure we are in managed mode, and associated */
3124 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3125 !sdata->u.mgd.associated)
3126 return -EINVAL;
3127
bdcbd8e0
JB		 3128 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3129 action_code, peer);
dfe018bf
AN		 3130
3131 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3132 max(sizeof(struct ieee80211_mgmt),
3133 sizeof(struct ieee80211_tdls_data)) +
3134 50 + /* supported rates */
3135 7 + /* ext capab */
3136 extra_ies_len +
3137 sizeof(struct ieee80211_tdls_lnkie));
3138 if (!skb)
3139 return -ENOMEM;
3140
dfe018bf
AN		 3141 skb_reserve(skb, local->hw.extra_tx_headroom);
3142
3143 switch (action_code) {
3144 case WLAN_TDLS_SETUP_REQUEST:
3145 case WLAN_TDLS_SETUP_RESPONSE:
3146 case WLAN_TDLS_SETUP_CONFIRM:
3147 case WLAN_TDLS_TEARDOWN:
3148 case WLAN_TDLS_DISCOVERY_REQUEST:
3149 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3150 action_code, dialog_token,
3151 status_code, skb);
3152 send_direct = false;
3153 break;
3154 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3155 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3156 dialog_token, status_code,
3157 skb);
3158 send_direct = true;
3159 break;
3160 default:
3161 ret = -ENOTSUPP;
3162 break;
3163 }
3164
3165 if (ret < 0)
3166 goto fail;
3167
3168 if (extra_ies_len)
3169 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3170
3171 /* the TDLS link IE is always added last */
3172 switch (action_code) {
3173 case WLAN_TDLS_SETUP_REQUEST:
3174 case WLAN_TDLS_SETUP_CONFIRM:
3175 case WLAN_TDLS_TEARDOWN:
3176 case WLAN_TDLS_DISCOVERY_REQUEST:
3177 /* we are the initiator */
3178 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3179 sdata->u.mgd.bssid);
3180 break;
3181 case WLAN_TDLS_SETUP_RESPONSE:
3182 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3183 /* we are the responder */
3184 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3185 sdata->u.mgd.bssid);
3186 break;
3187 default:
3188 ret = -ENOTSUPP;
3189 goto fail;
3190 }
3191
3192 if (send_direct) {
3193 ieee80211_tx_skb(sdata, skb);
3194 return 0;
3195 }
3196
3197 /*
3198 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3199 * we should default to AC_VI.
3200 */
3201 switch (action_code) {
3202 case WLAN_TDLS_SETUP_REQUEST:
3203 case WLAN_TDLS_SETUP_RESPONSE:
3204 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3205 skb->priority = 2;
3206 break;
3207 default:
3208 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3209 skb->priority = 5;
3210 break;
3211 }
3212
3213 /* disable bottom halves when entering the Tx path */
3214 local_bh_disable();
3215 ret = ieee80211_subif_start_xmit(skb, dev);
3216 local_bh_enable();
3217
3218 return ret;
3219
3220fail:
3221 dev_kfree_skb(skb);
3222 return ret;
3223}
3224
3225static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3226 u8 *peer, enum nl80211_tdls_operation oper)
3227{
941c93cd 3228 struct sta_info *sta;
dfe018bf
AN		 3229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3230
3231 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3232 return -ENOTSUPP;
3233
3234 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3235 return -EINVAL;
3236
bdcbd8e0 3237 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3238
3239 switch (oper) {
3240 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3241 rcu_read_lock();
3242 sta = sta_info_get(sdata, peer);
3243 if (!sta) {
3244 rcu_read_unlock();
3245 return -ENOLINK;
3246 }
3247
c2c98fde 3248 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3249 rcu_read_unlock();
dfe018bf
AN		 3250 break;
3251 case NL80211_TDLS_DISABLE_LINK:
3252 return sta_info_destroy_addr(sdata, peer);
3253 case NL80211_TDLS_TEARDOWN:
3254 case NL80211_TDLS_SETUP:
3255 case NL80211_TDLS_DISCOVERY_REQ:
3256 /* We don't support in-driver setup/teardown/discovery */
3257 return -ENOTSUPP;
3258 default:
3259 return -ENOTSUPP;
3260 }
3261
3262 return 0;
3263}
3264
06500736
JB		 3265static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3266 const u8 *peer, u64 *cookie)
3267{
3268 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3269 struct ieee80211_local *local = sdata->local;
3270 struct ieee80211_qos_hdr *nullfunc;
3271 struct sk_buff *skb;
3272 int size = sizeof(*nullfunc);
3273 __le16 fc;
3274 bool qos;
3275 struct ieee80211_tx_info *info;
3276 struct sta_info *sta;
55de908a
JB		 3277 struct ieee80211_chanctx_conf *chanctx_conf;
3278 enum ieee80211_band band;
06500736
JB		 3279
3280 rcu_read_lock();
55de908a
JB		 3281 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3282 if (WARN_ON(!chanctx_conf)) {
3283 rcu_read_unlock();
3284 return -EINVAL;
3285 }
4bf88530 3286 band = chanctx_conf->def.chan->band;
06500736 3287 sta = sta_info_get(sdata, peer);
b4487c2d 3288 if (sta) {
06500736 3289 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3290 } else {
3291 rcu_read_unlock();
06500736 3292 return -ENOLINK;
b4487c2d 3293 }
06500736
JB		 3294
3295 if (qos) {
3296 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3297 IEEE80211_STYPE_QOS_NULLFUNC |
3298 IEEE80211_FCTL_FROMDS);
3299 } else {
3300 size -= 2;
3301 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3302 IEEE80211_STYPE_NULLFUNC |
3303 IEEE80211_FCTL_FROMDS);
3304 }
3305
3306 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3307 if (!skb) {
3308 rcu_read_unlock();
06500736 3309 return -ENOMEM;
55de908a 3310 }
06500736
JB		 3311
3312 skb->dev = dev;
3313
3314 skb_reserve(skb, local->hw.extra_tx_headroom);
3315
3316 nullfunc = (void *) skb_put(skb, size);
3317 nullfunc->frame_control = fc;
3318 nullfunc->duration_id = 0;
3319 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3320 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3321 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3322 nullfunc->seq_ctrl = 0;
3323
3324 info = IEEE80211_SKB_CB(skb);
3325
3326 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3327 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3328
3329 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3330 skb->priority = 7;
3331 if (qos)
3332 nullfunc->qos_ctrl = cpu_to_le16(7);
3333
3334 local_bh_disable();
55de908a 3335 ieee80211_xmit(sdata, skb, band);
06500736 3336 local_bh_enable();
55de908a 3337 rcu_read_unlock();
06500736
JB		 3338
3339 *cookie = (unsigned long) skb;
3340 return 0;
3341}
3342
683b6d3b
JB		 3343static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3344 struct wireless_dev *wdev,
3345 struct cfg80211_chan_def *chandef)
5b7ccaf3 3346{
55de908a 3347 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
cb601ffa 3348 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 3349 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3350 int ret = -ENODATA;
55de908a
JB		 3351
3352 rcu_read_lock();
feda3027
JB		 3353 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3354 if (chanctx_conf) {
3355 *chandef = chanctx_conf->def;
3356 ret = 0;
3357 } else if (local->open_count > 0 &&
3358 local->open_count == local->monitors &&
3359 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3360 if (local->use_chanctx)
3361 *chandef = local->monitor_chandef;
3362 else
3363 cfg80211_chandef_create(chandef,
3364 local->_oper_channel,
3365 local->_oper_channel_type);
683b6d3b 3366 ret = 0;
55de908a
JB		 3367 }
3368 rcu_read_unlock();
5b7ccaf3 3369
683b6d3b 3370 return ret;
5b7ccaf3
JB		 3371}
3372
6d52563f
JB		 3373#ifdef CONFIG_PM
3374static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3375{
3376 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3377}
3378#endif
3379
f0706e82
JB		 3380struct cfg80211_ops mac80211_config_ops = {
3381 .add_virtual_intf = ieee80211_add_iface,
3382 .del_virtual_intf = ieee80211_del_iface,
42613db7 3383 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3384 .start_p2p_device = ieee80211_start_p2p_device,
3385 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3386 .add_key = ieee80211_add_key,
3387 .del_key = ieee80211_del_key,
62da92fb 3388 .get_key = ieee80211_get_key,
e8cbb4cb 3389 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3390 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3391 .start_ap = ieee80211_start_ap,
3392 .change_beacon = ieee80211_change_beacon,
3393 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3394 .add_station = ieee80211_add_station,
3395 .del_station = ieee80211_del_station,
3396 .change_station = ieee80211_change_station,
7bbdd2d9 3397 .get_station = ieee80211_get_station,
c5dd9c2b 3398 .dump_station = ieee80211_dump_station,
1289723e 3399 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3400#ifdef CONFIG_MAC80211_MESH
3401 .add_mpath = ieee80211_add_mpath,
3402 .del_mpath = ieee80211_del_mpath,
3403 .change_mpath = ieee80211_change_mpath,
3404 .get_mpath = ieee80211_get_mpath,
3405 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3406 .update_mesh_config = ieee80211_update_mesh_config,
3407 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3408 .join_mesh = ieee80211_join_mesh,
3409 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3410#endif
9f1ba906 3411 .change_bss = ieee80211_change_bss,
31888487 3412 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3413 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3414 .suspend = ieee80211_suspend,
3415 .resume = ieee80211_resume,
2a519311 3416 .scan = ieee80211_scan,
79f460ca
LC		 3417 .sched_scan_start = ieee80211_sched_scan_start,
3418 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3419 .auth = ieee80211_auth,
3420 .assoc = ieee80211_assoc,
3421 .deauth = ieee80211_deauth,
3422 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3423 .join_ibss = ieee80211_join_ibss,
3424 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3425 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3426 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3427 .set_tx_power = ieee80211_set_tx_power,
3428 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3429 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3430 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3431 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3432 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3433 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3434 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3435 .remain_on_channel = ieee80211_remain_on_channel,
3436 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3437 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3438 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3439 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3440 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3441 .set_antenna = ieee80211_set_antenna,
3442 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3443 .set_ringparam = ieee80211_set_ringparam,
3444 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3445 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3446 .tdls_oper = ieee80211_tdls_oper,
3447 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3448 .probe_client = ieee80211_probe_client,
b53be792 3449 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3450#ifdef CONFIG_PM
3451 .set_wakeup = ieee80211_set_wakeup,
3452#endif
b1ab7925
BG		 3453 .get_et_sset_count = ieee80211_get_et_sset_count,
3454 .get_et_stats = ieee80211_get_et_stats,
3455 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3456 .get_channel = ieee80211_cfg_get_channel,
164eb02d 3457 .start_radar_detection = ieee80211_start_radar_detection,
f0706e82 3458};
Linux kernel - Deliverables
This page took 1.557775 seconds and 5 git commands to generate.