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nl80211: support P2P GO powersave configuration
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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);
db4d1169 167 if (!sta) {
32162a4d 168 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 169 err = -ENOENT;
170 goto out_unlock;
db4d1169 171 }
e8cbb4cb
JB		 172 }
173
e548c49e
JB		 174 switch (sdata->vif.type) {
175 case NL80211_IFTYPE_STATION:
176 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
177 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
178 break;
179 case NL80211_IFTYPE_AP:
180 case NL80211_IFTYPE_AP_VLAN:
181 /* Keys without a station are used for TX only */
182 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
183 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
184 break;
185 case NL80211_IFTYPE_ADHOC:
186 /* no MFP (yet) */
187 break;
188 case NL80211_IFTYPE_MESH_POINT:
189#ifdef CONFIG_MAC80211_MESH
190 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
191 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
192 break;
193#endif
194 case NL80211_IFTYPE_WDS:
195 case NL80211_IFTYPE_MONITOR:
196 case NL80211_IFTYPE_P2P_DEVICE:
197 case NL80211_IFTYPE_UNSPECIFIED:
198 case NUM_NL80211_IFTYPES:
199 case NL80211_IFTYPE_P2P_CLIENT:
200 case NL80211_IFTYPE_P2P_GO:
201 /* shouldn't happen */
202 WARN_ON_ONCE(1);
203 break;
204 }
205
3ffc2a90
JB		 206 err = ieee80211_key_link(key, sdata, sta);
207 if (err)
208 ieee80211_key_free(sdata->local, key);
db4d1169 209
3b96766f 210 out_unlock:
ad0e2b5a 211 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 212
213 return err;
e8cbb4cb
JB		 214}
215
216static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 217 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 218{
5c0c3641
JB		 219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
220 struct ieee80211_local *local = sdata->local;
e8cbb4cb 221 struct sta_info *sta;
5c0c3641 222 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 223 int ret;
224
5c0c3641
JB		 225 mutex_lock(&local->sta_mtx);
226 mutex_lock(&local->key_mtx);
3b96766f 227
e8cbb4cb 228 if (mac_addr) {
3b96766f
JB		 229 ret = -ENOENT;
230
0e5ded5a 231 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 232 if (!sta)
3b96766f 233 goto out_unlock;
e8cbb4cb 234
5c0c3641 235 if (pairwise)
40b275b6 236 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 237 else
40b275b6 238 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 239 } else
40b275b6 240 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 241
5c0c3641 242 if (!key) {
3b96766f
JB		 243 ret = -ENOENT;
244 goto out_unlock;
245 }
e8cbb4cb 246
5c0c3641 247 __ieee80211_key_free(key);
e8cbb4cb 248
3b96766f
JB		 249 ret = 0;
250 out_unlock:
5c0c3641
JB		 251 mutex_unlock(&local->key_mtx);
252 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 253
254 return ret;
e8cbb4cb
JB		 255}
256
62da92fb 257static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 258 u8 key_idx, bool pairwise, const u8 *mac_addr,
259 void *cookie,
62da92fb
JB		 260 void (*callback)(void *cookie,
261 struct key_params *params))
262{
14db74bc 263 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 264 struct sta_info *sta = NULL;
265 u8 seq[6] = {0};
266 struct key_params params;
e31b8213 267 struct ieee80211_key *key = NULL;
aba83a0b 268 u64 pn64;
62da92fb
JB		 269 u32 iv32;
270 u16 iv16;
271 int err = -ENOENT;
272
14db74bc
JB		 273 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
274
3b96766f
JB		 275 rcu_read_lock();
276
62da92fb 277 if (mac_addr) {
0e5ded5a 278 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 279 if (!sta)
280 goto out;
281
e31b8213 282 if (pairwise)
a3836e02 283 key = rcu_dereference(sta->ptk);
e31b8213 284 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 285 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 286 } else
a3836e02 287 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 288
289 if (!key)
290 goto out;
291
292 memset(&params, 0, sizeof(params));
293
97359d12 294 params.cipher = key->conf.cipher;
62da92fb 295
97359d12
JB		 296 switch (key->conf.cipher) {
297 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 298 iv32 = key->u.tkip.tx.iv32;
299 iv16 = key->u.tkip.tx.iv16;
62da92fb 300
24487981
JB		 301 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
302 drv_get_tkip_seq(sdata->local,
303 key->conf.hw_key_idx,
304 &iv32, &iv16);
62da92fb
JB		 305
306 seq[0] = iv16 & 0xff;
307 seq[1] = (iv16 >> 8) & 0xff;
308 seq[2] = iv32 & 0xff;
309 seq[3] = (iv32 >> 8) & 0xff;
310 seq[4] = (iv32 >> 16) & 0xff;
311 seq[5] = (iv32 >> 24) & 0xff;
312 params.seq = seq;
313 params.seq_len = 6;
314 break;
97359d12 315 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 316 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
317 seq[0] = pn64;
318 seq[1] = pn64 >> 8;
319 seq[2] = pn64 >> 16;
320 seq[3] = pn64 >> 24;
321 seq[4] = pn64 >> 32;
322 seq[5] = pn64 >> 40;
62da92fb
JB		 323 params.seq = seq;
324 params.seq_len = 6;
325 break;
97359d12 326 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 327 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
328 seq[0] = pn64;
329 seq[1] = pn64 >> 8;
330 seq[2] = pn64 >> 16;
331 seq[3] = pn64 >> 24;
332 seq[4] = pn64 >> 32;
333 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 334 params.seq = seq;
335 params.seq_len = 6;
336 break;
62da92fb
JB		 337 }
338
339 params.key = key->conf.key;
340 params.key_len = key->conf.keylen;
341
342 callback(cookie, &params);
343 err = 0;
344
345 out:
3b96766f 346 rcu_read_unlock();
62da92fb
JB		 347 return err;
348}
349
e8cbb4cb
JB		 350static int ieee80211_config_default_key(struct wiphy *wiphy,
351 struct net_device *dev,
dbd2fd65
JB		 352 u8 key_idx, bool uni,
353 bool multi)
e8cbb4cb 354{
ad0e2b5a 355 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 356
f7e0104c 357 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 358
359 return 0;
360}
361
3cfcf6ac
JM		 362static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
363 struct net_device *dev,
364 u8 key_idx)
365{
66c52421 366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 367
3cfcf6ac
JM		 368 ieee80211_set_default_mgmt_key(sdata, key_idx);
369
3cfcf6ac
JM		 370 return 0;
371}
372
6b62bf32
TP		 373void sta_set_rate_info_tx(struct sta_info *sta,
374 const struct ieee80211_tx_rate *rate,
375 struct rate_info *rinfo)
376{
377 rinfo->flags = 0;
8bc83c24 378 if (rate->flags & IEEE80211_TX_RC_MCS) {
6b62bf32 379 rinfo->flags |= RATE_INFO_FLAGS_MCS;
8bc83c24
JB		 380 rinfo->mcs = rate->idx;
381 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
382 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
383 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
384 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
385 } else {
386 struct ieee80211_supported_band *sband;
387 sband = sta->local->hw.wiphy->bands[
388 ieee80211_get_sdata_band(sta->sdata)];
389 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
390 }
6b62bf32
TP		 391 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
392 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
8bc83c24
JB		 393 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
394 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
395 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
396 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
6b62bf32
TP		 397 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
398 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
6b62bf32
TP		 399}
400
c5dd9c2b
LCC		 401static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
402{
d0709a65 403 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 404 struct ieee80211_local *local = sdata->local;
ebe27c91 405 struct timespec uptime;
c5dd9c2b 406
f5ea9120
JB		 407 sinfo->generation = sdata->local->sta_generation;
408
c5dd9c2b
LCC		 409 sinfo->filled = STATION_INFO_INACTIVE_TIME |
410 STATION_INFO_RX_BYTES |
420e7fab 411 STATION_INFO_TX_BYTES |
98c8a60a
JM		 412 STATION_INFO_RX_PACKETS |
413 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 414 STATION_INFO_TX_RETRIES |
415 STATION_INFO_TX_FAILED |
5a5c731a 416 STATION_INFO_TX_BITRATE |
3af6334c 417 STATION_INFO_RX_BITRATE |
f4263c98 418 STATION_INFO_RX_DROP_MISC |
ebe27c91 419 STATION_INFO_BSS_PARAM |
7a724767 420 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 421 STATION_INFO_STA_FLAGS |
422 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 423
424 do_posix_clock_monotonic_gettime(&uptime);
425 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 426
427 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
428 sinfo->rx_bytes = sta->rx_bytes;
429 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 430 sinfo->rx_packets = sta->rx_packets;
431 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 432 sinfo->tx_retries = sta->tx_retry_count;
433 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 434 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 435 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 436
19deffbe
JL		 437 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
438 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 439 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 440 if (!local->ops->get_rssi ||
441 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
442 sinfo->signal = (s8)sta->last_signal;
541a45a1 443 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 444 }
445
6b62bf32 446 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 447
448 sinfo->rxrate.flags = 0;
5614618e 449 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
3af6334c 450 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
5614618e
JB		 451 sinfo->rxrate.mcs = sta->last_rx_rate_idx;
452 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
453 sinfo->rxrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
454 sinfo->rxrate.nss = sta->last_rx_rate_vht_nss;
455 sinfo->rxrate.mcs = sta->last_rx_rate_idx;
456 } else {
457 struct ieee80211_supported_band *sband;
458
459 sband = sta->local->hw.wiphy->bands[
460 ieee80211_get_sdata_band(sta->sdata)];
461 sinfo->rxrate.legacy =
462 sband->bitrates[sta->last_rx_rate_idx].bitrate;
463 }
464
3af6334c
FF		 465 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
466 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
467 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
468 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
5614618e
JB		 469 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
470 sinfo->rxrate.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
471 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
472 sinfo->rxrate.flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
473 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
474 sinfo->rxrate.flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
420e7fab 475
902acc78 476 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 477#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 478 sinfo->filled |= STATION_INFO_LLID |
479 STATION_INFO_PLID |
480 STATION_INFO_PLINK_STATE;
481
482 sinfo->llid = le16_to_cpu(sta->llid);
483 sinfo->plid = le16_to_cpu(sta->plid);
484 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 485 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
486 sinfo->filled |= STATION_INFO_T_OFFSET;
487 sinfo->t_offset = sta->t_offset;
488 }
c5dd9c2b 489#endif
902acc78 490 }
f4263c98
PS		 491
492 sinfo->bss_param.flags = 0;
493 if (sdata->vif.bss_conf.use_cts_prot)
494 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
495 if (sdata->vif.bss_conf.use_short_preamble)
496 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
497 if (sdata->vif.bss_conf.use_short_slot)
498 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
499 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
500 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 501
502 sinfo->sta_flags.set = 0;
503 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
504 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
505 BIT(NL80211_STA_FLAG_WME) |
506 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 507 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
508 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 509 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
510 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
511 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
512 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
513 if (test_sta_flag(sta, WLAN_STA_WME))
514 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
515 if (test_sta_flag(sta, WLAN_STA_MFP))
516 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
517 if (test_sta_flag(sta, WLAN_STA_AUTH))
518 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 519 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
520 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 521}
522
b1ab7925
BG		 523static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
524 "rx_packets", "rx_bytes", "wep_weak_iv_count",
525 "rx_duplicates", "rx_fragments", "rx_dropped",
526 "tx_packets", "tx_bytes", "tx_fragments",
527 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 528 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
529 "channel", "noise", "ch_time", "ch_time_busy",
530 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 531};
532#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
533
534static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
535 struct net_device *dev,
536 int sset)
537{
e352114f
BG		 538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
539 int rv = 0;
540
b1ab7925 541 if (sset == ETH_SS_STATS)
e352114f
BG		 542 rv += STA_STATS_LEN;
543
544 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 545
e352114f
BG		 546 if (rv == 0)
547 return -EOPNOTSUPP;
548 return rv;
b1ab7925
BG		 549}
550
551static void ieee80211_get_et_stats(struct wiphy *wiphy,
552 struct net_device *dev,
553 struct ethtool_stats *stats,
554 u64 *data)
555{
556 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 557 struct ieee80211_chanctx_conf *chanctx_conf;
558 struct ieee80211_channel *channel;
b1ab7925
BG		 559 struct sta_info *sta;
560 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 561 struct station_info sinfo;
562 struct survey_info survey;
563 int i, q;
564#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 565
566 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
567
568#define ADD_STA_STATS(sta) \
569 do { \
570 data[i++] += sta->rx_packets; \
571 data[i++] += sta->rx_bytes; \
572 data[i++] += sta->wep_weak_iv_count; \
573 data[i++] += sta->num_duplicates; \
574 data[i++] += sta->rx_fragments; \
575 data[i++] += sta->rx_dropped; \
576 \
577 data[i++] += sta->tx_packets; \
578 data[i++] += sta->tx_bytes; \
579 data[i++] += sta->tx_fragments; \
580 data[i++] += sta->tx_filtered_count; \
581 data[i++] += sta->tx_retry_failed; \
582 data[i++] += sta->tx_retry_count; \
583 data[i++] += sta->beacon_loss_count; \
584 } while (0)
585
586 /* For Managed stations, find the single station based on BSSID
587 * and use that. For interface types, iterate through all available
588 * stations and add stats for any station that is assigned to this
589 * network device.
590 */
591
66572cfc 592 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 593
594 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
595 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 596
597 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
598 goto do_survey;
599
600 i = 0;
601 ADD_STA_STATS(sta);
602
603 data[i++] = sta->sta_state;
604
605 sinfo.filled = 0;
606 sta_set_sinfo(sta, &sinfo);
607
5204267d 608 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 609 data[i] = 100000 *
610 cfg80211_calculate_bitrate(&sinfo.txrate);
611 i++;
5204267d 612 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 613 data[i] = 100000 *
614 cfg80211_calculate_bitrate(&sinfo.rxrate);
615 i++;
616
5204267d 617 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 618 data[i] = (u8)sinfo.signal_avg;
619 i++;
b1ab7925 620 } else {
66572cfc 621 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 622 /* Make sure this station belongs to the proper dev */
623 if (sta->sdata->dev != dev)
624 continue;
625
626 i = 0;
627 ADD_STA_STATS(sta);
b1ab7925
BG		 628 }
629 }
630
3073a7c2
BG		 631do_survey:
632 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
633 /* Get survey stats for current channel */
55de908a 634 survey.filled = 0;
3073a7c2 635
55de908a
JB		 636 rcu_read_lock();
637 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
638 if (chanctx_conf)
4bf88530 639 channel = chanctx_conf->def.chan;
55de908a
JB		 640 else
641 channel = NULL;
642 rcu_read_unlock();
643
644 if (channel) {
645 q = 0;
646 do {
647 survey.filled = 0;
648 if (drv_get_survey(local, q, &survey) != 0) {
649 survey.filled = 0;
650 break;
651 }
652 q++;
653 } while (channel != survey.channel);
3073a7c2
BG		 654 }
655
656 if (survey.filled)
657 data[i++] = survey.channel->center_freq;
658 else
659 data[i++] = 0;
660 if (survey.filled & SURVEY_INFO_NOISE_DBM)
661 data[i++] = (u8)survey.noise;
662 else
663 data[i++] = -1LL;
664 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
665 data[i++] = survey.channel_time;
666 else
667 data[i++] = -1LL;
668 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
669 data[i++] = survey.channel_time_busy;
670 else
671 data[i++] = -1LL;
672 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
673 data[i++] = survey.channel_time_ext_busy;
674 else
675 data[i++] = -1LL;
676 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
677 data[i++] = survey.channel_time_rx;
678 else
679 data[i++] = -1LL;
680 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
681 data[i++] = survey.channel_time_tx;
682 else
683 data[i++] = -1LL;
684
66572cfc 685 mutex_unlock(&local->sta_mtx);
e352114f 686
3073a7c2
BG		 687 if (WARN_ON(i != STA_STATS_LEN))
688 return;
689
e352114f 690 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 691}
692
693static void ieee80211_get_et_strings(struct wiphy *wiphy,
694 struct net_device *dev,
695 u32 sset, u8 *data)
696{
e352114f
BG		 697 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
698 int sz_sta_stats = 0;
699
b1ab7925 700 if (sset == ETH_SS_STATS) {
e352114f 701 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 702 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
703 }
e352114f 704 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 705}
c5dd9c2b
LCC		 706
707static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
708 int idx, u8 *mac, struct station_info *sinfo)
709{
3b53fde8 710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 711 struct ieee80211_local *local = sdata->local;
c5dd9c2b 712 struct sta_info *sta;
d0709a65
JB		 713 int ret = -ENOENT;
714
66572cfc 715 mutex_lock(&local->sta_mtx);
c5dd9c2b 716
3b53fde8 717 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 718 if (sta) {
719 ret = 0;
17741cdc 720 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 721 sta_set_sinfo(sta, sinfo);
722 }
c5dd9c2b 723
66572cfc 724 mutex_unlock(&local->sta_mtx);
c5dd9c2b 725
d0709a65 726 return ret;
c5dd9c2b
LCC		 727}
728
1289723e
HS		 729static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
730 int idx, struct survey_info *survey)
731{
732 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
733
1289723e
HS		 734 return drv_get_survey(local, idx, survey);
735}
736
7bbdd2d9 737static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 738 u8 *mac, struct station_info *sinfo)
7bbdd2d9 739{
abe60632 740 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 741 struct ieee80211_local *local = sdata->local;
7bbdd2d9 742 struct sta_info *sta;
d0709a65 743 int ret = -ENOENT;
7bbdd2d9 744
66572cfc 745 mutex_lock(&local->sta_mtx);
7bbdd2d9 746
0e5ded5a 747 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 748 if (sta) {
749 ret = 0;
750 sta_set_sinfo(sta, sinfo);
751 }
752
66572cfc 753 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 754
755 return ret;
7bbdd2d9
JB		 756}
757
55de908a 758static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 759 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 760{
761 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 762 struct ieee80211_sub_if_data *sdata;
763 int ret = 0;
3d9e6e12 764
4bf88530 765 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 766 return 0;
3d9e6e12 767
55de908a
JB		 768 mutex_lock(&local->iflist_mtx);
769 if (local->use_chanctx) {
770 sdata = rcu_dereference_protected(
771 local->monitor_sdata,
772 lockdep_is_held(&local->iflist_mtx));
773 if (sdata) {
774 ieee80211_vif_release_channel(sdata);
4bf88530 775 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 776 IEEE80211_CHANCTX_EXCLUSIVE);
777 }
778 } else if (local->open_count == local->monitors) {
683b6d3b 779 local->_oper_channel = chandef->chan;
4bf88530 780 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
55de908a
JB		 781 ieee80211_hw_config(local, 0);
782 }
3d9e6e12 783
4bf88530
JB		 784 if (ret == 0)
785 local->monitor_chandef = *chandef;
55de908a 786 mutex_unlock(&local->iflist_mtx);
3d9e6e12 787
55de908a 788 return ret;
e8c9bd5b
JB		 789}
790
02945821 791static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 792 const u8 *resp, size_t resp_len)
02945821 793{
aa7a0080 794 struct probe_resp *new, *old;
02945821
AN		 795
796 if (!resp || !resp_len)
aba4e6ff 797 return 1;
02945821 798
f724828b 799 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 800
aa7a0080 801 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 802 if (!new)
803 return -ENOMEM;
804
aa7a0080
ES		 805 new->len = resp_len;
806 memcpy(new->data, resp, resp_len);
02945821
AN		 807
808 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 809 if (old)
810 kfree_rcu(old, rcu_head);
02945821
AN		 811
812 return 0;
813}
814
8860020e
JB		 815static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
816 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 817{
818 struct beacon_data *new, *old;
819 int new_head_len, new_tail_len;
8860020e
JB		 820 int size, err;
821 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 822
40b275b6 823 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 824
5dfdaf58
JB		 825 /* Need to have a beacon head if we don't have one yet */
826 if (!params->head && !old)
8860020e 827 return -EINVAL;
5dfdaf58
JB		 828
829 /* new or old head? */
830 if (params->head)
831 new_head_len = params->head_len;
832 else
833 new_head_len = old->head_len;
834
835 /* new or old tail? */
836 if (params->tail || !old)
837 /* params->tail_len will be zero for !params->tail */
838 new_tail_len = params->tail_len;
839 else
840 new_tail_len = old->tail_len;
841
842 size = sizeof(*new) + new_head_len + new_tail_len;
843
844 new = kzalloc(size, GFP_KERNEL);
845 if (!new)
846 return -ENOMEM;
847
848 /* start filling the new info now */
849
5dfdaf58
JB		 850 /*
851 * pointers go into the block we allocated,
852 * memory is | beacon_data | head | tail |
853 */
854 new->head = ((u8 *) new) + sizeof(*new);
855 new->tail = new->head + new_head_len;
856 new->head_len = new_head_len;
857 new->tail_len = new_tail_len;
858
859 /* copy in head */
860 if (params->head)
861 memcpy(new->head, params->head, new_head_len);
862 else
863 memcpy(new->head, old->head, new_head_len);
864
865 /* copy in optional tail */
866 if (params->tail)
867 memcpy(new->tail, params->tail, new_tail_len);
868 else
869 if (old)
870 memcpy(new->tail, old->tail, new_tail_len);
871
02945821
AN		 872 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
873 params->probe_resp_len);
8860020e
JB		 874 if (err < 0)
875 return err;
876 if (err == 0)
02945821
AN		 877 changed |= BSS_CHANGED_AP_PROBE_RESP;
878
8860020e
JB		 879 rcu_assign_pointer(sdata->u.ap.beacon, new);
880
881 if (old)
882 kfree_rcu(old, rcu_head);
7827493b 883
8860020e 884 return changed;
5dfdaf58
JB		 885}
886
8860020e
JB		 887static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
888 struct cfg80211_ap_settings *params)
5dfdaf58 889{
8860020e 890 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 891 struct beacon_data *old;
665c93a9 892 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 893 u32 changed = BSS_CHANGED_BEACON_INT |
894 BSS_CHANGED_BEACON_ENABLED |
895 BSS_CHANGED_BEACON |
896 BSS_CHANGED_SSID;
897 int err;
14db74bc 898
40b275b6 899 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 900 if (old)
901 return -EALREADY;
902
04ecd257
JB		 903 /* TODO: make hostapd tell us what it wants */
904 sdata->smps_mode = IEEE80211_SMPS_OFF;
905 sdata->needed_rx_chains = sdata->local->rx_chains;
906
4bf88530
JB		 907 err = ieee80211_vif_use_channel(sdata, &params->chandef,
908 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 909 if (err)
910 return err;
911
665c93a9
JB		 912 /*
913 * Apply control port protocol, this allows us to
914 * not encrypt dynamic WEP control frames.
915 */
916 sdata->control_port_protocol = params->crypto.control_port_ethertype;
917 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
918 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
919 vlan->control_port_protocol =
920 params->crypto.control_port_ethertype;
921 vlan->control_port_no_encrypt =
922 params->crypto.control_port_no_encrypt;
923 }
924
8860020e
JB		 925 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
926 sdata->vif.bss_conf.dtim_period = params->dtim_period;
927
928 sdata->vif.bss_conf.ssid_len = params->ssid_len;
929 if (params->ssid_len)
930 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
931 params->ssid_len);
932 sdata->vif.bss_conf.hidden_ssid =
933 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
934
935 err = ieee80211_assign_beacon(sdata, &params->beacon);
936 if (err < 0)
937 return err;
938 changed |= err;
939
1041638f
JB		 940 err = drv_start_ap(sdata->local, sdata);
941 if (err) {
942 old = rtnl_dereference(sdata->u.ap.beacon);
943 if (old)
944 kfree_rcu(old, rcu_head);
945 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
946 return err;
947 }
948
8860020e
JB		 949 ieee80211_bss_info_change_notify(sdata, changed);
950
3edaf3e6
JB		 951 netif_carrier_on(dev);
952 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
953 netif_carrier_on(vlan->dev);
954
665c93a9 955 return 0;
5dfdaf58
JB		 956}
957
8860020e
JB		 958static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
959 struct cfg80211_beacon_data *params)
5dfdaf58 960{
14db74bc 961 struct ieee80211_sub_if_data *sdata;
5dfdaf58 962 struct beacon_data *old;
8860020e 963 int err;
5dfdaf58 964
14db74bc
JB		 965 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
966
40b275b6 967 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 968 if (!old)
969 return -ENOENT;
970
8860020e
JB		 971 err = ieee80211_assign_beacon(sdata, params);
972 if (err < 0)
973 return err;
974 ieee80211_bss_info_change_notify(sdata, err);
975 return 0;
5dfdaf58
JB		 976}
977
8860020e 978static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 979{
7b20b8e8
JB		 980 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
981 struct ieee80211_sub_if_data *vlan;
982 struct ieee80211_local *local = sdata->local;
983 struct beacon_data *old_beacon;
984 struct probe_resp *old_probe_resp;
14db74bc 985
7b20b8e8
JB		 986 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
987 if (!old_beacon)
5dfdaf58 988 return -ENOENT;
7b20b8e8 989 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 990
7b20b8e8 991 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 992 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
993 netif_carrier_off(vlan->dev);
994 netif_carrier_off(dev);
995
7b20b8e8 996 /* remove beacon and probe response */
a9b3cd7f 997 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 998 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
999 kfree_rcu(old_beacon, rcu_head);
1000 if (old_probe_resp)
1001 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1002
7b20b8e8 1003 sta_info_flush(local, sdata);
2d0ddec5 1004 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1005
1041638f
JB		 1006 drv_stop_ap(sdata->local, sdata);
1007
7b20b8e8
JB		 1008 /* free all potentially still buffered bcast frames */
1009 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1010 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1011
55de908a
JB		 1012 ieee80211_vif_release_channel(sdata);
1013
2d0ddec5 1014 return 0;
5dfdaf58
JB		 1015}
1016
4fd6931e
JB		 1017/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1018struct iapp_layer2_update {
1019 u8 da[ETH_ALEN]; /* broadcast */
1020 u8 sa[ETH_ALEN]; /* STA addr */
1021 __be16 len; /* 6 */
1022 u8 dsap; /* 0 */
1023 u8 ssap; /* 0 */
1024 u8 control;
1025 u8 xid_info[3];
bc10502d 1026} __packed;
4fd6931e
JB		 1027
1028static void ieee80211_send_layer2_update(struct sta_info *sta)
1029{
1030 struct iapp_layer2_update *msg;
1031 struct sk_buff *skb;
1032
1033 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1034 * bridge devices */
1035
1036 skb = dev_alloc_skb(sizeof(*msg));
1037 if (!skb)
1038 return;
1039 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1040
1041 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1042 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1043
e83e6541 1044 eth_broadcast_addr(msg->da);
17741cdc 1045 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1046 msg->len = htons(6);
1047 msg->dsap = 0;
1048 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1049 msg->control = 0xaf; /* XID response lsb.1111F101.
1050 * F=0 (no poll command; unsolicited frame) */
1051 msg->xid_info[0] = 0x81; /* XID format identifier */
1052 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1053 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1054
d0709a65
JB		 1055 skb->dev = sta->sdata->dev;
1056 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1057 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1058 netif_rx_ni(skb);
4fd6931e
JB		 1059}
1060
d9a7ddb0
JB		 1061static int sta_apply_parameters(struct ieee80211_local *local,
1062 struct sta_info *sta,
1063 struct station_parameters *params)
4fd6931e 1064{
d9a7ddb0 1065 int ret = 0;
4fd6931e
JB		 1066 u32 rates;
1067 int i, j;
8318d78a 1068 struct ieee80211_supported_band *sband;
d0709a65 1069 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1070 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1071 u32 mask, set;
4fd6931e 1072
55de908a 1073 sband = local->hw.wiphy->bands[band];
ae5eb026 1074
eccb8e8f
JB		 1075 mask = params->sta_flags_mask;
1076 set = params->sta_flags_set;
73651ee6 1077
d9a7ddb0
JB		 1078 /*
1079 * In mesh mode, we can clear AUTHENTICATED flag but must
1080 * also make ASSOCIATED follow appropriately for the driver
1081 * API. See also below, after AUTHORIZED changes.
1082 */
1083 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1084 /* cfg80211 should not allow this in non-mesh modes */
1085 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1086 return -EINVAL;
1087
1088 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1089 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1090 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1091 if (ret)
1092 return ret;
83d5cc01 1093 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1094 if (ret)
1095 return ret;
1096 }
1097 }
1098
eccb8e8f 1099 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1100 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1101 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1102 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1103 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1104 if (ret)
1105 return ret;
1106 }
1107
1108 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1109 /* cfg80211 should not allow this in non-mesh modes */
1110 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1111 return -EINVAL;
1112
1113 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1114 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1115 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1116 if (ret)
1117 return ret;
83d5cc01 1118 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1119 if (ret)
1120 return ret;
1121 }
eccb8e8f 1122 }
4fd6931e 1123
d9a7ddb0 1124
eccb8e8f 1125 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1126 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1127 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1128 else
1129 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1130 }
4fd6931e 1131
eccb8e8f 1132 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1133 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1134 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1135 sta->sta.wme = true;
c2c98fde
JB		 1136 } else {
1137 clear_sta_flag(sta, WLAN_STA_WME);
1138 sta->sta.wme = false;
39df600a 1139 }
eccb8e8f 1140 }
5394af4d 1141
eccb8e8f 1142 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1143 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1144 set_sta_flag(sta, WLAN_STA_MFP);
1145 else
1146 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1147 }
b39c48fa 1148
07ba55d7 1149 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1150 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1151 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1152 else
1153 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1154 }
4fd6931e 1155
3b9ce80c
JB		 1156 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1157 sta->sta.uapsd_queues = params->uapsd_queues;
1158 sta->sta.max_sp = params->max_sp;
1159 }
9533b4ac 1160
51b50fbe
JB		 1161 /*
1162 * cfg80211 validates this (1-2007) and allows setting the AID
1163 * only when creating a new station entry
1164 */
1165 if (params->aid)
1166 sta->sta.aid = params->aid;
1167
73651ee6
JB		 1168 /*
1169 * FIXME: updating the following information is racy when this
1170 * function is called from ieee80211_change_station().
1171 * However, all this information should be static so
1172 * maybe we should just reject attemps to change it.
1173 */
1174
4fd6931e
JB		 1175 if (params->listen_interval >= 0)
1176 sta->listen_interval = params->listen_interval;
1177
1178 if (params->supported_rates) {
1179 rates = 0;
8318d78a 1180
4fd6931e
JB		 1181 for (i = 0; i < params->supported_rates_len; i++) {
1182 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1183 for (j = 0; j < sband->n_bitrates; j++) {
1184 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1185 rates |= BIT(j);
1186 }
1187 }
55de908a 1188 sta->sta.supp_rates[band] = rates;
4fd6931e 1189 }
c5dd9c2b 1190
d9fe60de 1191 if (params->ht_capa)
ef96a842 1192 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1193 params->ht_capa,
d9fe60de 1194 &sta->sta.ht_cap);
36aedc90 1195
f461be3e
MP		 1196 if (params->vht_capa)
1197 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1198 params->vht_capa,
1199 &sta->sta.vht_cap);
1200
9c3990aa 1201 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1202#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1203 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1204 switch (params->plink_state) {
57cf8043
JC		 1205 case NL80211_PLINK_LISTEN:
1206 case NL80211_PLINK_ESTAB:
1207 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1208 sta->plink_state = params->plink_state;
1209 break;
1210 default:
1211 /* nothing */
1212 break;
1213 }
1214 else
1215 switch (params->plink_action) {
1216 case PLINK_ACTION_OPEN:
1217 mesh_plink_open(sta);
1218 break;
1219 case PLINK_ACTION_BLOCK:
1220 mesh_plink_block(sta);
1221 break;
1222 }
4daf50f2 1223#endif
902acc78 1224 }
d9a7ddb0
JB		 1225
1226 return 0;
4fd6931e
JB		 1227}
1228
1229static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1230 u8 *mac, struct station_parameters *params)
1231{
14db74bc 1232 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1233 struct sta_info *sta;
1234 struct ieee80211_sub_if_data *sdata;
73651ee6 1235 int err;
b8d476c8 1236 int layer2_update;
4fd6931e 1237
4fd6931e
JB		 1238 if (params->vlan) {
1239 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1240
05c914fe
JB		 1241 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1242 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1243 return -EINVAL;
1244 } else
1245 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1246
b203ca39 1247 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1248 return -EINVAL;
1249
1250 if (is_multicast_ether_addr(mac))
1251 return -EINVAL;
1252
1253 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1254 if (!sta)
1255 return -ENOMEM;
4fd6931e 1256
83d5cc01
JB		 1257 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1258 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1259
d9a7ddb0
JB		 1260 err = sta_apply_parameters(local, sta, params);
1261 if (err) {
1262 sta_info_free(local, sta);
1263 return err;
1264 }
4fd6931e 1265
d64cf63e
AN		 1266 /*
1267 * for TDLS, rate control should be initialized only when supported
1268 * rates are known.
1269 */
1270 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1271 rate_control_rate_init(sta);
4fd6931e 1272
b8d476c8
JM		 1273 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1274 sdata->vif.type == NL80211_IFTYPE_AP;
1275
34e89507 1276 err = sta_info_insert_rcu(sta);
73651ee6 1277 if (err) {
73651ee6
JB		 1278 rcu_read_unlock();
1279 return err;
1280 }
1281
b8d476c8 1282 if (layer2_update)
73651ee6
JB		 1283 ieee80211_send_layer2_update(sta);
1284
1285 rcu_read_unlock();
1286
4fd6931e
JB		 1287 return 0;
1288}
1289
1290static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1291 u8 *mac)
1292{
14db74bc
JB		 1293 struct ieee80211_local *local = wiphy_priv(wiphy);
1294 struct ieee80211_sub_if_data *sdata;
4fd6931e 1295
14db74bc
JB		 1296 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1297
34e89507
JB		 1298 if (mac)
1299 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1300
34e89507 1301 sta_info_flush(local, sdata);
4fd6931e
JB		 1302 return 0;
1303}
1304
1305static int ieee80211_change_station(struct wiphy *wiphy,
1306 struct net_device *dev,
1307 u8 *mac,
1308 struct station_parameters *params)
1309{
abe60632 1310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1311 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1312 struct sta_info *sta;
1313 struct ieee80211_sub_if_data *vlansdata;
35b88623 1314 int err;
4fd6931e 1315
87be1e1e 1316 mutex_lock(&local->sta_mtx);
98dd6a57 1317
0e5ded5a 1318 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1319 if (!sta) {
87be1e1e 1320 mutex_unlock(&local->sta_mtx);
4fd6931e 1321 return -ENOENT;
98dd6a57 1322 }
4fd6931e 1323
bdd90d5e
JB		 1324 /* in station mode, supported rates are only valid with TDLS */
1325 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1326 params->supported_rates &&
1327 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1328 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1329 return -EINVAL;
1330 }
1331
d0709a65 1332 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1333 bool prev_4addr = false;
1334 bool new_4addr = false;
1335
4fd6931e
JB		 1336 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1337
05c914fe
JB		 1338 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1339 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1340 mutex_unlock(&local->sta_mtx);
4fd6931e 1341 return -EINVAL;
98dd6a57 1342 }
4fd6931e 1343
9bc383de 1344 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1345 if (vlansdata->u.vlan.sta) {
87be1e1e 1346 mutex_unlock(&local->sta_mtx);
f14543ee 1347 return -EBUSY;
3305443c 1348 }
f14543ee 1349
cf778b00 1350 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1351 new_4addr = true;
1352 }
1353
1354 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1355 sta->sdata->u.vlan.sta) {
1356 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1357 prev_4addr = true;
f14543ee
FF		 1358 }
1359
14db74bc 1360 sta->sdata = vlansdata;
7e3ed02c
FF		 1361
1362 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1363 prev_4addr != new_4addr) {
1364 if (new_4addr)
1365 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1366 else
1367 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1368 }
1369
4fd6931e
JB		 1370 ieee80211_send_layer2_update(sta);
1371 }
1372
35b88623
EP		 1373 err = sta_apply_parameters(local, sta, params);
1374 if (err) {
1375 mutex_unlock(&local->sta_mtx);
1376 return err;
1377 }
4fd6931e 1378
d64cf63e
AN		 1379 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1380 rate_control_rate_init(sta);
1381
87be1e1e 1382 mutex_unlock(&local->sta_mtx);
98dd6a57 1383
808118cb 1384 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1385 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1386 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1387 ieee80211_recalc_ps_vif(sdata);
1388 }
4fd6931e
JB		 1389 return 0;
1390}
1391
c5dd9c2b
LCC		 1392#ifdef CONFIG_MAC80211_MESH
1393static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1394 u8 *dst, u8 *next_hop)
1395{
14db74bc 1396 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1397 struct mesh_path *mpath;
1398 struct sta_info *sta;
1399 int err;
1400
14db74bc
JB		 1401 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1402
d0709a65 1403 rcu_read_lock();
abe60632 1404 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1405 if (!sta) {
1406 rcu_read_unlock();
c5dd9c2b 1407 return -ENOENT;
d0709a65 1408 }
c5dd9c2b 1409
f698d856 1410 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1411 if (err) {
1412 rcu_read_unlock();
c5dd9c2b 1413 return err;
d0709a65 1414 }
c5dd9c2b 1415
f698d856 1416 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1417 if (!mpath) {
1418 rcu_read_unlock();
c5dd9c2b
LCC		 1419 return -ENXIO;
1420 }
1421 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1422
c5dd9c2b
LCC		 1423 rcu_read_unlock();
1424 return 0;
1425}
1426
1427static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1428 u8 *dst)
1429{
f698d856
JBG		 1430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1431
c5dd9c2b 1432 if (dst)
f698d856 1433 return mesh_path_del(dst, sdata);
c5dd9c2b 1434
ece1a2e7 1435 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1436 return 0;
1437}
1438
1439static int ieee80211_change_mpath(struct wiphy *wiphy,
1440 struct net_device *dev,
1441 u8 *dst, u8 *next_hop)
1442{
14db74bc 1443 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1444 struct mesh_path *mpath;
1445 struct sta_info *sta;
1446
14db74bc
JB		 1447 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1448
d0709a65
JB		 1449 rcu_read_lock();
1450
abe60632 1451 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1452 if (!sta) {
1453 rcu_read_unlock();
c5dd9c2b 1454 return -ENOENT;
d0709a65 1455 }
c5dd9c2b 1456
f698d856 1457 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1458 if (!mpath) {
1459 rcu_read_unlock();
c5dd9c2b
LCC		 1460 return -ENOENT;
1461 }
1462
1463 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1464
c5dd9c2b
LCC		 1465 rcu_read_unlock();
1466 return 0;
1467}
1468
1469static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1470 struct mpath_info *pinfo)
1471{
a3836e02
JB		 1472 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1473
1474 if (next_hop_sta)
1475 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1476 else
1477 memset(next_hop, 0, ETH_ALEN);
1478
7ce8c7a3
LAYS		 1479 memset(pinfo, 0, sizeof(*pinfo));
1480
f5ea9120
JB		 1481 pinfo->generation = mesh_paths_generation;
1482
c5dd9c2b 1483 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1484 MPATH_INFO_SN |
c5dd9c2b
LCC		 1485 MPATH_INFO_METRIC |
1486 MPATH_INFO_EXPTIME |
1487 MPATH_INFO_DISCOVERY_TIMEOUT |
1488 MPATH_INFO_DISCOVERY_RETRIES |
1489 MPATH_INFO_FLAGS;
1490
1491 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1492 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1493 pinfo->metric = mpath->metric;
1494 if (time_before(jiffies, mpath->exp_time))
1495 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1496 pinfo->discovery_timeout =
1497 jiffies_to_msecs(mpath->discovery_timeout);
1498 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1499 if (mpath->flags & MESH_PATH_ACTIVE)
1500 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1501 if (mpath->flags & MESH_PATH_RESOLVING)
1502 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1503 if (mpath->flags & MESH_PATH_SN_VALID)
1504 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1505 if (mpath->flags & MESH_PATH_FIXED)
1506 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1507 if (mpath->flags & MESH_PATH_RESOLVED)
1508 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1509}
1510
1511static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1512 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1513
1514{
14db74bc 1515 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1516 struct mesh_path *mpath;
1517
14db74bc
JB		 1518 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1519
c5dd9c2b 1520 rcu_read_lock();
f698d856 1521 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1522 if (!mpath) {
1523 rcu_read_unlock();
1524 return -ENOENT;
1525 }
1526 memcpy(dst, mpath->dst, ETH_ALEN);
1527 mpath_set_pinfo(mpath, next_hop, pinfo);
1528 rcu_read_unlock();
1529 return 0;
1530}
1531
1532static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1533 int idx, u8 *dst, u8 *next_hop,
1534 struct mpath_info *pinfo)
1535{
14db74bc 1536 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1537 struct mesh_path *mpath;
1538
14db74bc
JB		 1539 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1540
c5dd9c2b 1541 rcu_read_lock();
f698d856 1542 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1543 if (!mpath) {
1544 rcu_read_unlock();
1545 return -ENOENT;
1546 }
1547 memcpy(dst, mpath->dst, ETH_ALEN);
1548 mpath_set_pinfo(mpath, next_hop, pinfo);
1549 rcu_read_unlock();
1550 return 0;
1551}
93da9cc1 1552
24bdd9f4 1553static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1554 struct net_device *dev,
1555 struct mesh_config *conf)
1556{
1557 struct ieee80211_sub_if_data *sdata;
1558 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1559
93da9cc1 1560 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1561 return 0;
1562}
1563
1564static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1565{
1566 return (mask >> (parm-1)) & 0x1;
1567}
1568
c80d545d
JC		 1569static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1570 const struct mesh_setup *setup)
1571{
1572 u8 *new_ie;
1573 const u8 *old_ie;
4bb62344
CYY		 1574 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1575 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1576
581a8b0f 1577 /* allocate information elements */
c80d545d 1578 new_ie = NULL;
581a8b0f 1579 old_ie = ifmsh->ie;
c80d545d 1580
581a8b0f
JC		 1581 if (setup->ie_len) {
1582 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1583 GFP_KERNEL);
1584 if (!new_ie)
1585 return -ENOMEM;
1586 }
581a8b0f
JC		 1587 ifmsh->ie_len = setup->ie_len;
1588 ifmsh->ie = new_ie;
1589 kfree(old_ie);
c80d545d
JC		 1590
1591 /* now copy the rest of the setup parameters */
1592 ifmsh->mesh_id_len = setup->mesh_id_len;
1593 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1594 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1595 ifmsh->mesh_pp_id = setup->path_sel_proto;
1596 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1597 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1598 if (setup->is_authenticated)
1599 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1600 if (setup->is_secure)
1601 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1602
4bb62344
CYY		 1603 /* mcast rate setting in Mesh Node */
1604 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1605 sizeof(setup->mcast_rate));
1606
c80d545d
JC		 1607 return 0;
1608}
1609
24bdd9f4 1610static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1611 struct net_device *dev, u32 mask,
1612 const struct mesh_config *nconf)
93da9cc1 1613{
1614 struct mesh_config *conf;
1615 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1616 struct ieee80211_if_mesh *ifmsh;
1617
93da9cc1 1618 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1619 ifmsh = &sdata->u.mesh;
93da9cc1 1620
93da9cc1 1621 /* Set the config options which we are interested in setting */
1622 conf = &(sdata->u.mesh.mshcfg);
1623 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1624 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1625 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1626 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1627 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1628 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1629 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1630 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1631 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1632 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1633 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1634 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1635 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1636 conf->element_ttl = nconf->element_ttl;
93da9cc1 1637 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1638 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1639 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1640 conf->dot11MeshNbrOffsetMaxNeighbor =
1641 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1642 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1643 conf->dot11MeshHWMPmaxPREQretries =
1644 nconf->dot11MeshHWMPmaxPREQretries;
1645 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1646 conf->path_refresh_time = nconf->path_refresh_time;
1647 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1648 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1649 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1650 conf->dot11MeshHWMPactivePathTimeout =
1651 nconf->dot11MeshHWMPactivePathTimeout;
1652 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1653 conf->dot11MeshHWMPpreqMinInterval =
1654 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1655 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1656 conf->dot11MeshHWMPperrMinInterval =
1657 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1658 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1659 mask))
1660 conf->dot11MeshHWMPnetDiameterTraversalTime =
1661 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1662 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1663 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1664 ieee80211_mesh_root_setup(ifmsh);
1665 }
16dd7267 1666 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1667 /* our current gate announcement implementation rides on root
1668 * announcements, so require this ifmsh to also be a root node
1669 * */
1670 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1671 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1672 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1673 ieee80211_mesh_root_setup(ifmsh);
1674 }
16dd7267
JC		 1675 conf->dot11MeshGateAnnouncementProtocol =
1676 nconf->dot11MeshGateAnnouncementProtocol;
1677 }
a4f606ea 1678 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1679 conf->dot11MeshHWMPRannInterval =
1680 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1681 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1682 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1683 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1684 /* our RSSI threshold implementation is supported only for
1685 * devices that report signal in dBm.
1686 */
1687 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1688 return -ENOTSUPP;
1689 conf->rssi_threshold = nconf->rssi_threshold;
1690 }
70c33eaa
AN		 1691 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1692 conf->ht_opmode = nconf->ht_opmode;
1693 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1694 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1695 }
ac1073a6
CYY		 1696 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1697 conf->dot11MeshHWMPactivePathToRootTimeout =
1698 nconf->dot11MeshHWMPactivePathToRootTimeout;
1699 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1700 conf->dot11MeshHWMProotInterval =
1701 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1702 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1703 conf->dot11MeshHWMPconfirmationInterval =
1704 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1705 return 0;
1706}
1707
29cbe68c
JB		 1708static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1709 const struct mesh_config *conf,
1710 const struct mesh_setup *setup)
1711{
1712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1713 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1714 int err;
29cbe68c 1715
c80d545d
JC		 1716 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1717 err = copy_mesh_setup(ifmsh, setup);
1718 if (err)
1719 return err;
cc1d2806 1720
04ecd257
JB		 1721 /* can mesh use other SMPS modes? */
1722 sdata->smps_mode = IEEE80211_SMPS_OFF;
1723 sdata->needed_rx_chains = sdata->local->rx_chains;
1724
4bf88530
JB		 1725 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1726 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1727 if (err)
1728 return err;
1729
29cbe68c
JB		 1730 ieee80211_start_mesh(sdata);
1731
1732 return 0;
1733}
1734
1735static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1736{
1737 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1738
1739 ieee80211_stop_mesh(sdata);
55de908a 1740 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1741
1742 return 0;
1743}
c5dd9c2b
LCC		 1744#endif
1745
9f1ba906
JM		 1746static int ieee80211_change_bss(struct wiphy *wiphy,
1747 struct net_device *dev,
1748 struct bss_parameters *params)
1749{
55de908a
JB		 1750 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751 enum ieee80211_band band;
9f1ba906
JM		 1752 u32 changed = 0;
1753
55de908a
JB		 1754 if (!rtnl_dereference(sdata->u.ap.beacon))
1755 return -ENOENT;
1756
1757 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1758
9f1ba906 1759 if (params->use_cts_prot >= 0) {
bda3933a 1760 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1761 changed |= BSS_CHANGED_ERP_CTS_PROT;
1762 }
1763 if (params->use_short_preamble >= 0) {
bda3933a 1764 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1765 params->use_short_preamble;
1766 changed |= BSS_CHANGED_ERP_PREAMBLE;
1767 }
43d35343
FF		 1768
1769 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1770 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1771 sdata->vif.bss_conf.use_short_slot = true;
1772 changed |= BSS_CHANGED_ERP_SLOT;
1773 }
1774
9f1ba906 1775 if (params->use_short_slot_time >= 0) {
bda3933a 1776 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1777 params->use_short_slot_time;
1778 changed |= BSS_CHANGED_ERP_SLOT;
1779 }
1780
90c97a04
JM		 1781 if (params->basic_rates) {
1782 int i, j;
1783 u32 rates = 0;
55de908a 1784 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1785
1786 for (i = 0; i < params->basic_rates_len; i++) {
1787 int rate = (params->basic_rates[i] & 0x7f) * 5;
1788 for (j = 0; j < sband->n_bitrates; j++) {
1789 if (sband->bitrates[j].bitrate == rate)
1790 rates |= BIT(j);
1791 }
1792 }
1793 sdata->vif.bss_conf.basic_rates = rates;
1794 changed |= BSS_CHANGED_BASIC_RATES;
1795 }
1796
7b7b5e56
FF		 1797 if (params->ap_isolate >= 0) {
1798 if (params->ap_isolate)
1799 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1800 else
1801 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1802 }
1803
80d7e403
HS		 1804 if (params->ht_opmode >= 0) {
1805 sdata->vif.bss_conf.ht_operation_mode =
1806 (u16) params->ht_opmode;
1807 changed |= BSS_CHANGED_HT;
1808 }
1809
9f1ba906
JM		 1810 ieee80211_bss_info_change_notify(sdata, changed);
1811
1812 return 0;
1813}
1814
31888487 1815static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1816 struct net_device *dev,
31888487
JM		 1817 struct ieee80211_txq_params *params)
1818{
1819 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1820 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1821 struct ieee80211_tx_queue_params p;
1822
1823 if (!local->ops->conf_tx)
1824 return -EOPNOTSUPP;
1825
54bcbc69
JB		 1826 if (local->hw.queues < IEEE80211_NUM_ACS)
1827 return -EOPNOTSUPP;
1828
31888487
JM		 1829 memset(&p, 0, sizeof(p));
1830 p.aifs = params->aifs;
1831 p.cw_max = params->cwmax;
1832 p.cw_min = params->cwmin;
1833 p.txop = params->txop;
ab13315a
KV		 1834
1835 /*
1836 * Setting tx queue params disables u-apsd because it's only
1837 * called in master mode.
1838 */
1839 p.uapsd = false;
1840
a3304b0a
JB		 1841 sdata->tx_conf[params->ac] = p;
1842 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1843 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1844 "failed to set TX queue parameters for AC %d\n",
1845 params->ac);
31888487
JM		 1846 return -EINVAL;
1847 }
1848
7d25745d
JB		 1849 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1850
31888487
JM		 1851 return 0;
1852}
1853
665af4fc 1854#ifdef CONFIG_PM
ff1b6e69
JB		 1855static int ieee80211_suspend(struct wiphy *wiphy,
1856 struct cfg80211_wowlan *wowlan)
665af4fc 1857{
eecc4800 1858 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1859}
1860
1861static int ieee80211_resume(struct wiphy *wiphy)
1862{
1863 return __ieee80211_resume(wiphy_priv(wiphy));
1864}
1865#else
1866#define ieee80211_suspend NULL
1867#define ieee80211_resume NULL
1868#endif
1869
2a519311 1870static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1871 struct cfg80211_scan_request *req)
1872{
fd014284
JB		 1873 struct ieee80211_sub_if_data *sdata;
1874
1875 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1876
2ca27bcf
JB		 1877 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1878 case NL80211_IFTYPE_STATION:
1879 case NL80211_IFTYPE_ADHOC:
1880 case NL80211_IFTYPE_MESH_POINT:
1881 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1882 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1883 break;
1884 case NL80211_IFTYPE_P2P_GO:
1885 if (sdata->local->ops->hw_scan)
1886 break;
e9d7732e
JB		 1887 /*
1888 * FIXME: implement NoA while scanning in software,
1889 * for now fall through to allow scanning only when
1890 * beaconing hasn't been configured yet
1891 */
2ca27bcf 1892 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1893 /*
1894 * If the scan has been forced (and the driver supports
1895 * forcing), don't care about being beaconing already.
1896 * This will create problems to the attached stations (e.g. all
1897 * the frames sent while scanning on other channel will be
1898 * lost)
1899 */
1900 if (sdata->u.ap.beacon &&
1901 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1902 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1903 return -EOPNOTSUPP;
1904 break;
1905 default:
1906 return -EOPNOTSUPP;
1907 }
2a519311
JB		 1908
1909 return ieee80211_request_scan(sdata, req);
1910}
1911
79f460ca
LC		 1912static int
1913ieee80211_sched_scan_start(struct wiphy *wiphy,
1914 struct net_device *dev,
1915 struct cfg80211_sched_scan_request *req)
1916{
1917 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1918
1919 if (!sdata->local->ops->sched_scan_start)
1920 return -EOPNOTSUPP;
1921
1922 return ieee80211_request_sched_scan_start(sdata, req);
1923}
1924
1925static int
85a9994a 1926ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1927{
1928 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1929
1930 if (!sdata->local->ops->sched_scan_stop)
1931 return -EOPNOTSUPP;
1932
85a9994a 1933 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1934}
1935
636a5d36
JM		 1936static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1937 struct cfg80211_auth_request *req)
1938{
77fdaa12 1939 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1940}
1941
1942static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1943 struct cfg80211_assoc_request *req)
1944{
77fdaa12 1945 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1946}
1947
1948static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1949 struct cfg80211_deauth_request *req)
636a5d36 1950{
63c9c5e7 1951 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1952}
1953
1954static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1955 struct cfg80211_disassoc_request *req)
636a5d36 1956{
63c9c5e7 1957 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1958}
1959
af8cdcd8
JB		 1960static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1961 struct cfg80211_ibss_params *params)
1962{
55de908a 1963 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 1964}
1965
1966static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1967{
55de908a 1968 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 1969}
1970
391e53e3
AQ		 1971static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
1972 int rate[IEEE80211_NUM_BANDS])
1973{
1974 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1975
1976 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
1977
1978 return 0;
1979}
1980
b9a5f8ca
JM		 1981static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1982{
1983 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1984 int err;
b9a5f8ca 1985
f23a4780
AN		 1986 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1987 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1988
1989 if (err)
1990 return err;
1991 }
1992
310bc676
LT		 1993 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1994 err = drv_set_coverage_class(local, wiphy->coverage_class);
1995
1996 if (err)
1997 return err;
1998 }
1999
b9a5f8ca 2000 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2001 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2002
24487981
JB		 2003 if (err)
2004 return err;
b9a5f8ca
JM		 2005 }
2006
8bc83c24
JB		 2007 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2008 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2009 return -EINVAL;
b9a5f8ca 2010 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2011 }
2012 if (changed & WIPHY_PARAM_RETRY_LONG) {
2013 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2014 return -EINVAL;
b9a5f8ca 2015 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2016 }
b9a5f8ca
JM		 2017 if (changed &
2018 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2019 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2020
2021 return 0;
2022}
2023
7643a2c3 2024static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2025 struct wireless_dev *wdev,
fa61cf70 2026 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2027{
2028 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2029 struct ieee80211_sub_if_data *sdata;
7643a2c3 2030
1ea6f9c0
JB		 2031 if (wdev) {
2032 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2033
2034 switch (type) {
2035 case NL80211_TX_POWER_AUTOMATIC:
2036 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2037 break;
2038 case NL80211_TX_POWER_LIMITED:
2039 case NL80211_TX_POWER_FIXED:
2040 if (mbm < 0 || (mbm % 100))
2041 return -EOPNOTSUPP;
2042 sdata->user_power_level = MBM_TO_DBM(mbm);
2043 break;
2044 }
2045
2046 ieee80211_recalc_txpower(sdata);
2047
2048 return 0;
2049 }
55de908a 2050
7643a2c3 2051 switch (type) {
fa61cf70 2052 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2053 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2054 break;
fa61cf70 2055 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2056 case NL80211_TX_POWER_FIXED:
2057 if (mbm < 0 || (mbm % 100))
2058 return -EOPNOTSUPP;
fa61cf70 2059 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2060 break;
7643a2c3
JB		 2061 }
2062
1ea6f9c0
JB		 2063 mutex_lock(&local->iflist_mtx);
2064 list_for_each_entry(sdata, &local->interfaces, list)
2065 sdata->user_power_level = local->user_power_level;
2066 list_for_each_entry(sdata, &local->interfaces, list)
2067 ieee80211_recalc_txpower(sdata);
2068 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2069
2070 return 0;
2071}
2072
c8442118
JB		 2073static int ieee80211_get_tx_power(struct wiphy *wiphy,
2074 struct wireless_dev *wdev,
2075 int *dbm)
7643a2c3
JB		 2076{
2077 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2078 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2079
1ea6f9c0
JB		 2080 if (!local->use_chanctx)
2081 *dbm = local->hw.conf.power_level;
2082 else
2083 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2084
7643a2c3
JB		 2085 return 0;
2086}
2087
ab737a4f 2088static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2089 const u8 *addr)
ab737a4f
JB		 2090{
2091 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2092
2093 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2094
2095 return 0;
2096}
2097
1f87f7d3
JB		 2098static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2099{
2100 struct ieee80211_local *local = wiphy_priv(wiphy);
2101
2102 drv_rfkill_poll(local);
2103}
2104
aff89a9b 2105#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2106static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2107{
2108 struct ieee80211_local *local = wiphy_priv(wiphy);
2109
2110 if (!local->ops->testmode_cmd)
2111 return -EOPNOTSUPP;
2112
2113 return local->ops->testmode_cmd(&local->hw, data, len);
2114}
71063f0e
WYG		 2115
2116static int ieee80211_testmode_dump(struct wiphy *wiphy,
2117 struct sk_buff *skb,
2118 struct netlink_callback *cb,
2119 void *data, int len)
2120{
2121 struct ieee80211_local *local = wiphy_priv(wiphy);
2122
2123 if (!local->ops->testmode_dump)
2124 return -EOPNOTSUPP;
2125
2126 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2127}
aff89a9b
JB		 2128#endif
2129
0f78231b
JB		 2130int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2131 enum ieee80211_smps_mode smps_mode)
2132{
2133 const u8 *ap;
2134 enum ieee80211_smps_mode old_req;
2135 int err;
2136
243e6df4
JB		 2137 lockdep_assert_held(&sdata->u.mgd.mtx);
2138
0f78231b
JB		 2139 old_req = sdata->u.mgd.req_smps;
2140 sdata->u.mgd.req_smps = smps_mode;
2141
2142 if (old_req == smps_mode &&
2143 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2144 return 0;
2145
2146 /*
2147 * If not associated, or current association is not an HT
04ecd257
JB		 2148 * association, there's no need to do anything, just store
2149 * the new value until we associate.
0f78231b
JB		 2150 */
2151 if (!sdata->u.mgd.associated ||
4bf88530 2152 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2153 return 0;
0f78231b 2154
0c1ad2ca 2155 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2156
2157 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2158 if (sdata->u.mgd.powersave)
2159 smps_mode = IEEE80211_SMPS_DYNAMIC;
2160 else
2161 smps_mode = IEEE80211_SMPS_OFF;
2162 }
2163
2164 /* send SM PS frame to AP */
2165 err = ieee80211_send_smps_action(sdata, smps_mode,
2166 ap, ap);
2167 if (err)
2168 sdata->u.mgd.req_smps = old_req;
2169
2170 return err;
2171}
2172
bc92afd9
JB		 2173static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2174 bool enabled, int timeout)
2175{
2176 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2177 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2178
e5de30c9
BP		 2179 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2180 return -EOPNOTSUPP;
2181
bc92afd9
JB		 2182 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2183 return -EOPNOTSUPP;
2184
2185 if (enabled == sdata->u.mgd.powersave &&
ff616381 2186 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2187 return 0;
2188
2189 sdata->u.mgd.powersave = enabled;
ff616381 2190 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2191
0f78231b
JB		 2192 /* no change, but if automatic follow powersave */
2193 mutex_lock(&sdata->u.mgd.mtx);
2194 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2195 mutex_unlock(&sdata->u.mgd.mtx);
2196
bc92afd9
JB		 2197 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2198 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2199
2200 ieee80211_recalc_ps(local, -1);
ab095877 2201 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2202
2203 return 0;
2204}
2205
a97c13c3
JO		 2206static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2207 struct net_device *dev,
2208 s32 rssi_thold, u32 rssi_hyst)
2209{
2210 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2211 struct ieee80211_vif *vif = &sdata->vif;
2212 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2213
a97c13c3
JO		 2214 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2215 rssi_hyst == bss_conf->cqm_rssi_hyst)
2216 return 0;
2217
2218 bss_conf->cqm_rssi_thold = rssi_thold;
2219 bss_conf->cqm_rssi_hyst = rssi_hyst;
2220
2221 /* tell the driver upon association, unless already associated */
ea086359
JB		 2222 if (sdata->u.mgd.associated &&
2223 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2224 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2225
2226 return 0;
2227}
2228
9930380f
JB		 2229static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2230 struct net_device *dev,
2231 const u8 *addr,
2232 const struct cfg80211_bitrate_mask *mask)
2233{
2234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2235 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2236 int i, ret;
2c7e6bc9 2237
554a43d5
EP		 2238 if (!ieee80211_sdata_running(sdata))
2239 return -ENETDOWN;
2240
bdbfd6b5
SM		 2241 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2242 ret = drv_set_bitrate_mask(local, sdata, mask);
2243 if (ret)
2244 return ret;
2245 }
9930380f 2246
19468413 2247 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2248 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2249 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2250 sizeof(mask->control[i].mcs));
2251 }
9930380f 2252
37eb0b16 2253 return 0;
9930380f
JB		 2254}
2255
2eb278e0
JB		 2256static int ieee80211_start_roc_work(struct ieee80211_local *local,
2257 struct ieee80211_sub_if_data *sdata,
2258 struct ieee80211_channel *channel,
2eb278e0
JB		 2259 unsigned int duration, u64 *cookie,
2260 struct sk_buff *txskb)
2261{
2262 struct ieee80211_roc_work *roc, *tmp;
2263 bool queued = false;
21f83589 2264 int ret;
21f83589
JB		 2265
2266 lockdep_assert_held(&local->mtx);
2267
fe57d9f5
JB		 2268 if (local->use_chanctx && !local->ops->remain_on_channel)
2269 return -EOPNOTSUPP;
2270
2eb278e0
JB		 2271 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2272 if (!roc)
2273 return -ENOMEM;
2274
2275 roc->chan = channel;
2eb278e0
JB		 2276 roc->duration = duration;
2277 roc->req_duration = duration;
2278 roc->frame = txskb;
2279 roc->mgmt_tx_cookie = (unsigned long)txskb;
2280 roc->sdata = sdata;
2281 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2282 INIT_LIST_HEAD(&roc->dependents);
2283
2284 /* if there's one pending or we're scanning, queue this one */
2285 if (!list_empty(&local->roc_list) || local->scanning)
2286 goto out_check_combine;
2287
2288 /* if not HW assist, just queue & schedule work */
2289 if (!local->ops->remain_on_channel) {
2290 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2291 goto out_queue;
2292 }
2293
2294 /* otherwise actually kick it off here (for error handling) */
2295
2296 /*
2297 * If the duration is zero, then the driver
2298 * wouldn't actually do anything. Set it to
2299 * 10 for now.
2300 *
2301 * TODO: cancel the off-channel operation
2302 * when we get the SKB's TX status and
2303 * the wait time was zero before.
2304 */
2305 if (!duration)
2306 duration = 10;
2307
42d97a59 2308 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2309 if (ret) {
2eb278e0
JB		 2310 kfree(roc);
2311 return ret;
21f83589
JB		 2312 }
2313
2eb278e0
JB		 2314 roc->started = true;
2315 goto out_queue;
2316
2317 out_check_combine:
2318 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2319 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2320 continue;
2321
2322 /*
2323 * Extend this ROC if possible:
2324 *
2325 * If it hasn't started yet, just increase the duration
2326 * and add the new one to the list of dependents.
2327 */
2328 if (!tmp->started) {
2329 list_add_tail(&roc->list, &tmp->dependents);
2330 tmp->duration = max(tmp->duration, roc->duration);
2331 queued = true;
2332 break;
2333 }
2334
2335 /* If it has already started, it's more difficult ... */
2336 if (local->ops->remain_on_channel) {
2337 unsigned long j = jiffies;
2338
2339 /*
2340 * In the offloaded ROC case, if it hasn't begun, add
2341 * this new one to the dependent list to be handled
2342 * when the the master one begins. If it has begun,
2343 * check that there's still a minimum time left and
2344 * if so, start this one, transmitting the frame, but
2345 * add it to the list directly after this one with a
2346 * a reduced time so we'll ask the driver to execute
2347 * it right after finishing the previous one, in the
2348 * hope that it'll also be executed right afterwards,
2349 * effectively extending the old one.
2350 * If there's no minimum time left, just add it to the
2351 * normal list.
2352 */
2353 if (!tmp->hw_begun) {
2354 list_add_tail(&roc->list, &tmp->dependents);
2355 queued = true;
2356 break;
2357 }
2358
2359 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2360 tmp->hw_start_time +
2361 msecs_to_jiffies(tmp->duration))) {
2362 int new_dur;
2363
2364 ieee80211_handle_roc_started(roc);
2365
2366 new_dur = roc->duration -
2367 jiffies_to_msecs(tmp->hw_start_time +
2368 msecs_to_jiffies(
2369 tmp->duration) -
2370 j);
2371
2372 if (new_dur > 0) {
2373 /* add right after tmp */
2374 list_add(&roc->list, &tmp->list);
2375 } else {
2376 list_add_tail(&roc->list,
2377 &tmp->dependents);
2378 }
2379 queued = true;
2380 }
2381 } else if (del_timer_sync(&tmp->work.timer)) {
2382 unsigned long new_end;
2383
2384 /*
2385 * In the software ROC case, cancel the timer, if
2386 * that fails then the finish work is already
2387 * queued/pending and thus we queue the new ROC
2388 * normally, if that succeeds then we can extend
2389 * the timer duration and TX the frame (if any.)
2390 */
2391
2392 list_add_tail(&roc->list, &tmp->dependents);
2393 queued = true;
2394
2395 new_end = jiffies + msecs_to_jiffies(roc->duration);
2396
2397 /* ok, it was started & we canceled timer */
2398 if (time_after(new_end, tmp->work.timer.expires))
2399 mod_timer(&tmp->work.timer, new_end);
2400 else
2401 add_timer(&tmp->work.timer);
2402
2403 ieee80211_handle_roc_started(roc);
2404 }
2405 break;
2406 }
2407
2408 out_queue:
2409 if (!queued)
2410 list_add_tail(&roc->list, &local->roc_list);
2411
2412 /*
50febf6a 2413 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2414 * or the SKB (for mgmt TX)
2415 */
50febf6a
JB		 2416 if (!txskb) {
2417 /* local->mtx protects this */
2418 local->roc_cookie_counter++;
2419 roc->cookie = local->roc_cookie_counter;
2420 /* wow, you wrapped 64 bits ... more likely a bug */
2421 if (WARN_ON(roc->cookie == 0)) {
2422 roc->cookie = 1;
2423 local->roc_cookie_counter++;
2424 }
2425 *cookie = roc->cookie;
2426 } else {
2eb278e0 2427 *cookie = (unsigned long)txskb;
50febf6a 2428 }
2eb278e0
JB		 2429
2430 return 0;
21f83589
JB		 2431}
2432
b8bc4b0a 2433static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2434 struct wireless_dev *wdev,
b8bc4b0a 2435 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2436 unsigned int duration,
2437 u64 *cookie)
2438{
71bbc994 2439 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2440 struct ieee80211_local *local = sdata->local;
2eb278e0 2441 int ret;
21f83589 2442
2eb278e0 2443 mutex_lock(&local->mtx);
42d97a59 2444 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2445 duration, cookie, NULL);
2446 mutex_unlock(&local->mtx);
b8bc4b0a 2447
2eb278e0 2448 return ret;
b8bc4b0a
JB		 2449}
2450
2eb278e0
JB		 2451static int ieee80211_cancel_roc(struct ieee80211_local *local,
2452 u64 cookie, bool mgmt_tx)
21f83589 2453{
2eb278e0 2454 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2455 int ret;
2456
2eb278e0
JB		 2457 mutex_lock(&local->mtx);
2458 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2459 struct ieee80211_roc_work *dep, *tmp2;
2460
2461 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2462 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2463 continue;
2464 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2465 continue;
2466 /* found dependent item -- just remove it */
2467 list_del(&dep->list);
2468 mutex_unlock(&local->mtx);
2469
2470 ieee80211_roc_notify_destroy(dep);
2471 return 0;
2472 }
2473
50febf6a 2474 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2475 continue;
2476 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2477 continue;
21f83589 2478
2eb278e0
JB		 2479 found = roc;
2480 break;
2481 }
21f83589 2482
2eb278e0
JB		 2483 if (!found) {
2484 mutex_unlock(&local->mtx);
2485 return -ENOENT;
2486 }
21f83589 2487
e979e33c
JB		 2488 /*
2489 * We found the item to cancel, so do that. Note that it
2490 * may have dependents, which we also cancel (and send
2491 * the expired signal for.) Not doing so would be quite
2492 * tricky here, but we may need to fix it later.
2493 */
2494
2eb278e0
JB		 2495 if (local->ops->remain_on_channel) {
2496 if (found->started) {
2497 ret = drv_cancel_remain_on_channel(local);
2498 if (WARN_ON_ONCE(ret)) {
2499 mutex_unlock(&local->mtx);
2500 return ret;
2501 }
2502 }
21f83589 2503
2eb278e0 2504 list_del(&found->list);
21f83589 2505
0f6b3f59
JB		 2506 if (found->started)
2507 ieee80211_start_next_roc(local);
2eb278e0 2508 mutex_unlock(&local->mtx);
21f83589 2509
2eb278e0
JB		 2510 ieee80211_roc_notify_destroy(found);
2511 } else {
2512 /* work may be pending so use it all the time */
2513 found->abort = true;
2514 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2515
21f83589
JB		 2516 mutex_unlock(&local->mtx);
2517
2eb278e0
JB		 2518 /* work will clean up etc */
2519 flush_delayed_work(&found->work);
21f83589 2520 }
b8bc4b0a 2521
2eb278e0 2522 return 0;
b8bc4b0a
JB		 2523}
2524
2eb278e0 2525static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2526 struct wireless_dev *wdev,
2eb278e0 2527 u64 cookie)
f30221e4 2528{
71bbc994 2529 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2530 struct ieee80211_local *local = sdata->local;
f30221e4 2531
2eb278e0 2532 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2533}
2534
71bbc994 2535static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2536 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2537 unsigned int wait, const u8 *buf, size_t len,
2538 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2539{
71bbc994 2540 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2541 struct ieee80211_local *local = sdata->local;
2542 struct sk_buff *skb;
2543 struct sta_info *sta;
2544 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2545 bool need_offchan = false;
e247bd90 2546 u32 flags;
2eb278e0 2547 int ret;
f7ca38df 2548
e247bd90
JB		 2549 if (dont_wait_for_ack)
2550 flags = IEEE80211_TX_CTL_NO_ACK;
2551 else
2552 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2553 IEEE80211_TX_CTL_REQ_TX_STATUS;
2554
aad14ceb
RM		 2555 if (no_cck)
2556 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2557
9d38d85d
JB		 2558 switch (sdata->vif.type) {
2559 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2560 if (!sdata->vif.bss_conf.ibss_joined)
2561 need_offchan = true;
2562 /* fall through */
2563#ifdef CONFIG_MAC80211_MESH
2564 case NL80211_IFTYPE_MESH_POINT:
2565 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2566 !sdata->u.mesh.mesh_id_len)
2567 need_offchan = true;
2568 /* fall through */
2569#endif
663fcafd
JB		 2570 case NL80211_IFTYPE_AP:
2571 case NL80211_IFTYPE_AP_VLAN:
2572 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2573 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2574 !ieee80211_vif_is_mesh(&sdata->vif) &&
2575 !rcu_access_pointer(sdata->bss->beacon))
2576 need_offchan = true;
663fcafd
JB		 2577 if (!ieee80211_is_action(mgmt->frame_control) ||
2578 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2579 break;
2580 rcu_read_lock();
2581 sta = sta_info_get(sdata, mgmt->da);
2582 rcu_read_unlock();
2583 if (!sta)
2584 return -ENOLINK;
2585 break;
2586 case NL80211_IFTYPE_STATION:
663fcafd 2587 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2588 if (!sdata->u.mgd.associated)
2589 need_offchan = true;
9d38d85d 2590 break;
f142c6b9
JB		 2591 case NL80211_IFTYPE_P2P_DEVICE:
2592 need_offchan = true;
2593 break;
9d38d85d
JB		 2594 default:
2595 return -EOPNOTSUPP;
2596 }
2597
2eb278e0
JB		 2598 mutex_lock(&local->mtx);
2599
2600 /* Check if the operating channel is the requested channel */
2601 if (!need_offchan) {
55de908a
JB		 2602 struct ieee80211_chanctx_conf *chanctx_conf;
2603
2604 rcu_read_lock();
2605 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2606
42d97a59 2607 if (chanctx_conf)
4bf88530 2608 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2609 else
2eb278e0 2610 need_offchan = true;
55de908a 2611 rcu_read_unlock();
2eb278e0
JB		 2612 }
2613
2614 if (need_offchan && !offchan) {
2615 ret = -EBUSY;
2616 goto out_unlock;
2617 }
2618
9d38d85d 2619 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2620 if (!skb) {
2621 ret = -ENOMEM;
2622 goto out_unlock;
2623 }
9d38d85d
JB		 2624 skb_reserve(skb, local->hw.extra_tx_headroom);
2625
2626 memcpy(skb_put(skb, len), buf, len);
2627
2628 IEEE80211_SKB_CB(skb)->flags = flags;
2629
2630 skb->dev = sdata->dev;
9d38d85d 2631
2eb278e0 2632 if (!need_offchan) {
7f9f78ab 2633 *cookie = (unsigned long) skb;
f30221e4 2634 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2635 ret = 0;
2636 goto out_unlock;
f30221e4
JB		 2637 }
2638
2eb278e0
JB		 2639 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2640 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2641 IEEE80211_SKB_CB(skb)->hw_queue =
2642 local->hw.offchannel_tx_hw_queue;
f30221e4 2643
2eb278e0 2644 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2645 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2646 wait, cookie, skb);
2647 if (ret)
2648 kfree_skb(skb);
2649 out_unlock:
2650 mutex_unlock(&local->mtx);
2651 return ret;
026331c4
JM		 2652}
2653
f30221e4 2654static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2655 struct wireless_dev *wdev,
f30221e4
JB		 2656 u64 cookie)
2657{
71bbc994 2658 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2659
2eb278e0 2660 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2661}
2662
7be5086d 2663static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2664 struct wireless_dev *wdev,
7be5086d
JB		 2665 u16 frame_type, bool reg)
2666{
2667 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2668 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2669
6abe0563
WH		 2670 switch (frame_type) {
2671 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2672 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2673 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2674
6abe0563
WH		 2675 if (reg)
2676 ifibss->auth_frame_registrations++;
2677 else
2678 ifibss->auth_frame_registrations--;
2679 }
2680 break;
2681 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2682 if (reg)
2683 local->probe_req_reg++;
2684 else
2685 local->probe_req_reg--;
7be5086d 2686
6abe0563
WH		 2687 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2688 break;
2689 default:
2690 break;
2691 }
7be5086d
JB		 2692}
2693
15d96753
BR		 2694static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2695{
2696 struct ieee80211_local *local = wiphy_priv(wiphy);
2697
2698 if (local->started)
2699 return -EOPNOTSUPP;
2700
2701 return drv_set_antenna(local, tx_ant, rx_ant);
2702}
2703
2704static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2705{
2706 struct ieee80211_local *local = wiphy_priv(wiphy);
2707
2708 return drv_get_antenna(local, tx_ant, rx_ant);
2709}
2710
38c09159
JL		 2711static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2712{
2713 struct ieee80211_local *local = wiphy_priv(wiphy);
2714
2715 return drv_set_ringparam(local, tx, rx);
2716}
2717
2718static void ieee80211_get_ringparam(struct wiphy *wiphy,
2719 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2720{
2721 struct ieee80211_local *local = wiphy_priv(wiphy);
2722
2723 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2724}
2725
c68f4b89
JB		 2726static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2727 struct net_device *dev,
2728 struct cfg80211_gtk_rekey_data *data)
2729{
2730 struct ieee80211_local *local = wiphy_priv(wiphy);
2731 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2732
2733 if (!local->ops->set_rekey_data)
2734 return -EOPNOTSUPP;
2735
2736 drv_set_rekey_data(local, sdata, data);
2737
2738 return 0;
2739}
2740
dfe018bf
AN		 2741static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2742{
2743 u8 *pos = (void *)skb_put(skb, 7);
2744
2745 *pos++ = WLAN_EID_EXT_CAPABILITY;
2746 *pos++ = 5; /* len */
2747 *pos++ = 0x0;
2748 *pos++ = 0x0;
2749 *pos++ = 0x0;
2750 *pos++ = 0x0;
2751 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2752}
2753
2754static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2755{
2756 struct ieee80211_local *local = sdata->local;
2757 u16 capab;
2758
2759 capab = 0;
55de908a 2760 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2761 return capab;
2762
2763 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2764 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2765 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2766 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2767
2768 return capab;
2769}
2770
2771static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2772 u8 *peer, u8 *bssid)
2773{
2774 struct ieee80211_tdls_lnkie *lnkid;
2775
2776 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2777
2778 lnkid->ie_type = WLAN_EID_LINK_ID;
2779 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2780
2781 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2782 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2783 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2784}
2785
2786static int
2787ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2788 u8 *peer, u8 action_code, u8 dialog_token,
2789 u16 status_code, struct sk_buff *skb)
2790{
2791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2792 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2793 struct ieee80211_tdls_data *tf;
2794
2795 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2796
2797 memcpy(tf->da, peer, ETH_ALEN);
2798 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2799 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2800 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2801
2802 switch (action_code) {
2803 case WLAN_TDLS_SETUP_REQUEST:
2804 tf->category = WLAN_CATEGORY_TDLS;
2805 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2806
2807 skb_put(skb, sizeof(tf->u.setup_req));
2808 tf->u.setup_req.dialog_token = dialog_token;
2809 tf->u.setup_req.capability =
2810 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2811
55de908a
JB		 2812 ieee80211_add_srates_ie(sdata, skb, false, band);
2813 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2814 ieee80211_tdls_add_ext_capab(skb);
2815 break;
2816 case WLAN_TDLS_SETUP_RESPONSE:
2817 tf->category = WLAN_CATEGORY_TDLS;
2818 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2819
2820 skb_put(skb, sizeof(tf->u.setup_resp));
2821 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2822 tf->u.setup_resp.dialog_token = dialog_token;
2823 tf->u.setup_resp.capability =
2824 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2825
55de908a
JB		 2826 ieee80211_add_srates_ie(sdata, skb, false, band);
2827 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2828 ieee80211_tdls_add_ext_capab(skb);
2829 break;
2830 case WLAN_TDLS_SETUP_CONFIRM:
2831 tf->category = WLAN_CATEGORY_TDLS;
2832 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2833
2834 skb_put(skb, sizeof(tf->u.setup_cfm));
2835 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2836 tf->u.setup_cfm.dialog_token = dialog_token;
2837 break;
2838 case WLAN_TDLS_TEARDOWN:
2839 tf->category = WLAN_CATEGORY_TDLS;
2840 tf->action_code = WLAN_TDLS_TEARDOWN;
2841
2842 skb_put(skb, sizeof(tf->u.teardown));
2843 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2844 break;
2845 case WLAN_TDLS_DISCOVERY_REQUEST:
2846 tf->category = WLAN_CATEGORY_TDLS;
2847 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2848
2849 skb_put(skb, sizeof(tf->u.discover_req));
2850 tf->u.discover_req.dialog_token = dialog_token;
2851 break;
2852 default:
2853 return -EINVAL;
2854 }
2855
2856 return 0;
2857}
2858
2859static int
2860ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2861 u8 *peer, u8 action_code, u8 dialog_token,
2862 u16 status_code, struct sk_buff *skb)
2863{
2864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2865 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2866 struct ieee80211_mgmt *mgmt;
2867
2868 mgmt = (void *)skb_put(skb, 24);
2869 memset(mgmt, 0, 24);
2870 memcpy(mgmt->da, peer, ETH_ALEN);
2871 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2872 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2873
2874 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2875 IEEE80211_STYPE_ACTION);
2876
2877 switch (action_code) {
2878 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2879 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2880 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2881 mgmt->u.action.u.tdls_discover_resp.action_code =
2882 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2883 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2884 dialog_token;
2885 mgmt->u.action.u.tdls_discover_resp.capability =
2886 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2887
55de908a
JB		 2888 ieee80211_add_srates_ie(sdata, skb, false, band);
2889 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2890 ieee80211_tdls_add_ext_capab(skb);
2891 break;
2892 default:
2893 return -EINVAL;
2894 }
2895
2896 return 0;
2897}
2898
2899static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2900 u8 *peer, u8 action_code, u8 dialog_token,
2901 u16 status_code, const u8 *extra_ies,
2902 size_t extra_ies_len)
2903{
2904 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2905 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2906 struct sk_buff *skb = NULL;
2907 bool send_direct;
2908 int ret;
2909
2910 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2911 return -ENOTSUPP;
2912
2913 /* make sure we are in managed mode, and associated */
2914 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2915 !sdata->u.mgd.associated)
2916 return -EINVAL;
2917
bdcbd8e0
JB		 2918 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2919 action_code, peer);
dfe018bf
AN		 2920
2921 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2922 max(sizeof(struct ieee80211_mgmt),
2923 sizeof(struct ieee80211_tdls_data)) +
2924 50 + /* supported rates */
2925 7 + /* ext capab */
2926 extra_ies_len +
2927 sizeof(struct ieee80211_tdls_lnkie));
2928 if (!skb)
2929 return -ENOMEM;
2930
dfe018bf
AN		 2931 skb_reserve(skb, local->hw.extra_tx_headroom);
2932
2933 switch (action_code) {
2934 case WLAN_TDLS_SETUP_REQUEST:
2935 case WLAN_TDLS_SETUP_RESPONSE:
2936 case WLAN_TDLS_SETUP_CONFIRM:
2937 case WLAN_TDLS_TEARDOWN:
2938 case WLAN_TDLS_DISCOVERY_REQUEST:
2939 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2940 action_code, dialog_token,
2941 status_code, skb);
2942 send_direct = false;
2943 break;
2944 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2945 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2946 dialog_token, status_code,
2947 skb);
2948 send_direct = true;
2949 break;
2950 default:
2951 ret = -ENOTSUPP;
2952 break;
2953 }
2954
2955 if (ret < 0)
2956 goto fail;
2957
2958 if (extra_ies_len)
2959 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2960
2961 /* the TDLS link IE is always added last */
2962 switch (action_code) {
2963 case WLAN_TDLS_SETUP_REQUEST:
2964 case WLAN_TDLS_SETUP_CONFIRM:
2965 case WLAN_TDLS_TEARDOWN:
2966 case WLAN_TDLS_DISCOVERY_REQUEST:
2967 /* we are the initiator */
2968 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2969 sdata->u.mgd.bssid);
2970 break;
2971 case WLAN_TDLS_SETUP_RESPONSE:
2972 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2973 /* we are the responder */
2974 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2975 sdata->u.mgd.bssid);
2976 break;
2977 default:
2978 ret = -ENOTSUPP;
2979 goto fail;
2980 }
2981
2982 if (send_direct) {
2983 ieee80211_tx_skb(sdata, skb);
2984 return 0;
2985 }
2986
2987 /*
2988 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2989 * we should default to AC_VI.
2990 */
2991 switch (action_code) {
2992 case WLAN_TDLS_SETUP_REQUEST:
2993 case WLAN_TDLS_SETUP_RESPONSE:
2994 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2995 skb->priority = 2;
2996 break;
2997 default:
2998 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2999 skb->priority = 5;
3000 break;
3001 }
3002
3003 /* disable bottom halves when entering the Tx path */
3004 local_bh_disable();
3005 ret = ieee80211_subif_start_xmit(skb, dev);
3006 local_bh_enable();
3007
3008 return ret;
3009
3010fail:
3011 dev_kfree_skb(skb);
3012 return ret;
3013}
3014
3015static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3016 u8 *peer, enum nl80211_tdls_operation oper)
3017{
941c93cd 3018 struct sta_info *sta;
dfe018bf
AN		 3019 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3020
3021 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3022 return -ENOTSUPP;
3023
3024 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3025 return -EINVAL;
3026
bdcbd8e0 3027 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3028
3029 switch (oper) {
3030 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3031 rcu_read_lock();
3032 sta = sta_info_get(sdata, peer);
3033 if (!sta) {
3034 rcu_read_unlock();
3035 return -ENOLINK;
3036 }
3037
c2c98fde 3038 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3039 rcu_read_unlock();
dfe018bf
AN		 3040 break;
3041 case NL80211_TDLS_DISABLE_LINK:
3042 return sta_info_destroy_addr(sdata, peer);
3043 case NL80211_TDLS_TEARDOWN:
3044 case NL80211_TDLS_SETUP:
3045 case NL80211_TDLS_DISCOVERY_REQ:
3046 /* We don't support in-driver setup/teardown/discovery */
3047 return -ENOTSUPP;
3048 default:
3049 return -ENOTSUPP;
3050 }
3051
3052 return 0;
3053}
3054
06500736
JB		 3055static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3056 const u8 *peer, u64 *cookie)
3057{
3058 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3059 struct ieee80211_local *local = sdata->local;
3060 struct ieee80211_qos_hdr *nullfunc;
3061 struct sk_buff *skb;
3062 int size = sizeof(*nullfunc);
3063 __le16 fc;
3064 bool qos;
3065 struct ieee80211_tx_info *info;
3066 struct sta_info *sta;
55de908a
JB		 3067 struct ieee80211_chanctx_conf *chanctx_conf;
3068 enum ieee80211_band band;
06500736
JB		 3069
3070 rcu_read_lock();
55de908a
JB		 3071 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3072 if (WARN_ON(!chanctx_conf)) {
3073 rcu_read_unlock();
3074 return -EINVAL;
3075 }
4bf88530 3076 band = chanctx_conf->def.chan->band;
06500736 3077 sta = sta_info_get(sdata, peer);
b4487c2d 3078 if (sta) {
06500736 3079 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3080 } else {
3081 rcu_read_unlock();
06500736 3082 return -ENOLINK;
b4487c2d 3083 }
06500736
JB		 3084
3085 if (qos) {
3086 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3087 IEEE80211_STYPE_QOS_NULLFUNC |
3088 IEEE80211_FCTL_FROMDS);
3089 } else {
3090 size -= 2;
3091 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3092 IEEE80211_STYPE_NULLFUNC |
3093 IEEE80211_FCTL_FROMDS);
3094 }
3095
3096 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3097 if (!skb) {
3098 rcu_read_unlock();
06500736 3099 return -ENOMEM;
55de908a 3100 }
06500736
JB		 3101
3102 skb->dev = dev;
3103
3104 skb_reserve(skb, local->hw.extra_tx_headroom);
3105
3106 nullfunc = (void *) skb_put(skb, size);
3107 nullfunc->frame_control = fc;
3108 nullfunc->duration_id = 0;
3109 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3110 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3111 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3112 nullfunc->seq_ctrl = 0;
3113
3114 info = IEEE80211_SKB_CB(skb);
3115
3116 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3117 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3118
3119 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3120 skb->priority = 7;
3121 if (qos)
3122 nullfunc->qos_ctrl = cpu_to_le16(7);
3123
3124 local_bh_disable();
55de908a 3125 ieee80211_xmit(sdata, skb, band);
06500736 3126 local_bh_enable();
55de908a 3127 rcu_read_unlock();
06500736
JB		 3128
3129 *cookie = (unsigned long) skb;
3130 return 0;
3131}
3132
683b6d3b
JB		 3133static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3134 struct wireless_dev *wdev,
3135 struct cfg80211_chan_def *chandef)
5b7ccaf3 3136{
55de908a
JB		 3137 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3138 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3139 int ret = -ENODATA;
55de908a
JB		 3140
3141 rcu_read_lock();
3142 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3143 if (chanctx_conf) {
4bf88530 3144 *chandef = chanctx_conf->def;
683b6d3b 3145 ret = 0;
55de908a
JB		 3146 }
3147 rcu_read_unlock();
5b7ccaf3 3148
683b6d3b 3149 return ret;
5b7ccaf3
JB		 3150}
3151
6d52563f
JB		 3152#ifdef CONFIG_PM
3153static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3154{
3155 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3156}
3157#endif
3158
f0706e82
JB		 3159struct cfg80211_ops mac80211_config_ops = {
3160 .add_virtual_intf = ieee80211_add_iface,
3161 .del_virtual_intf = ieee80211_del_iface,
42613db7 3162 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3163 .start_p2p_device = ieee80211_start_p2p_device,
3164 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3165 .add_key = ieee80211_add_key,
3166 .del_key = ieee80211_del_key,
62da92fb 3167 .get_key = ieee80211_get_key,
e8cbb4cb 3168 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3169 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3170 .start_ap = ieee80211_start_ap,
3171 .change_beacon = ieee80211_change_beacon,
3172 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3173 .add_station = ieee80211_add_station,
3174 .del_station = ieee80211_del_station,
3175 .change_station = ieee80211_change_station,
7bbdd2d9 3176 .get_station = ieee80211_get_station,
c5dd9c2b 3177 .dump_station = ieee80211_dump_station,
1289723e 3178 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3179#ifdef CONFIG_MAC80211_MESH
3180 .add_mpath = ieee80211_add_mpath,
3181 .del_mpath = ieee80211_del_mpath,
3182 .change_mpath = ieee80211_change_mpath,
3183 .get_mpath = ieee80211_get_mpath,
3184 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3185 .update_mesh_config = ieee80211_update_mesh_config,
3186 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3187 .join_mesh = ieee80211_join_mesh,
3188 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3189#endif
9f1ba906 3190 .change_bss = ieee80211_change_bss,
31888487 3191 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3192 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3193 .suspend = ieee80211_suspend,
3194 .resume = ieee80211_resume,
2a519311 3195 .scan = ieee80211_scan,
79f460ca
LC		 3196 .sched_scan_start = ieee80211_sched_scan_start,
3197 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3198 .auth = ieee80211_auth,
3199 .assoc = ieee80211_assoc,
3200 .deauth = ieee80211_deauth,
3201 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3202 .join_ibss = ieee80211_join_ibss,
3203 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3204 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3205 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3206 .set_tx_power = ieee80211_set_tx_power,
3207 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3208 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3209 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3210 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3211 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3212 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3213 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3214 .remain_on_channel = ieee80211_remain_on_channel,
3215 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3216 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3217 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3218 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3219 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3220 .set_antenna = ieee80211_set_antenna,
3221 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3222 .set_ringparam = ieee80211_set_ringparam,
3223 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3224 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3225 .tdls_oper = ieee80211_tdls_oper,
3226 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3227 .probe_client = ieee80211_probe_client,
b53be792 3228 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3229#ifdef CONFIG_PM
3230 .set_wakeup = ieee80211_set_wakeup,
3231#endif
b1ab7925
BG		 3232 .get_et_sset_count = ieee80211_get_et_sset_count,
3233 .get_et_stats = ieee80211_get_et_stats,
3234 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3235 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3236};
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