]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - net/mac80211/cfg.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: add range checks to mesh parameters
[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
003e676a
S		 401void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
402{
403 rinfo->flags = 0;
404
405 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
406 rinfo->flags |= RATE_INFO_FLAGS_MCS;
407 rinfo->mcs = sta->last_rx_rate_idx;
408 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
409 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
410 rinfo->nss = sta->last_rx_rate_vht_nss;
411 rinfo->mcs = sta->last_rx_rate_idx;
412 } else {
413 struct ieee80211_supported_band *sband;
414
415 sband = sta->local->hw.wiphy->bands[
416 ieee80211_get_sdata_band(sta->sdata)];
417 rinfo->legacy =
418 sband->bitrates[sta->last_rx_rate_idx].bitrate;
419 }
420
421 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
422 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
423 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
424 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
425 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
426 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
427 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
428 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
429 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
430 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
431}
432
c5dd9c2b
LCC		 433static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
434{
d0709a65 435 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 436 struct ieee80211_local *local = sdata->local;
ebe27c91 437 struct timespec uptime;
c5dd9c2b 438
f5ea9120
JB		 439 sinfo->generation = sdata->local->sta_generation;
440
c5dd9c2b
LCC		 441 sinfo->filled = STATION_INFO_INACTIVE_TIME |
442 STATION_INFO_RX_BYTES |
420e7fab 443 STATION_INFO_TX_BYTES |
98c8a60a
JM		 444 STATION_INFO_RX_PACKETS |
445 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 446 STATION_INFO_TX_RETRIES |
447 STATION_INFO_TX_FAILED |
5a5c731a 448 STATION_INFO_TX_BITRATE |
3af6334c 449 STATION_INFO_RX_BITRATE |
f4263c98 450 STATION_INFO_RX_DROP_MISC |
ebe27c91 451 STATION_INFO_BSS_PARAM |
7a724767 452 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 453 STATION_INFO_STA_FLAGS |
454 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 455
456 do_posix_clock_monotonic_gettime(&uptime);
457 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 458
459 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
460 sinfo->rx_bytes = sta->rx_bytes;
461 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 462 sinfo->rx_packets = sta->rx_packets;
463 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 464 sinfo->tx_retries = sta->tx_retry_count;
465 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 466 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 467 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 468
19deffbe
JL		 469 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
470 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 471 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 472 if (!local->ops->get_rssi ||
473 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
474 sinfo->signal = (s8)sta->last_signal;
541a45a1 475 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 476 }
477
6b62bf32 478 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
003e676a 479 sta_set_rate_info_rx(sta, &sinfo->rxrate);
420e7fab 480
902acc78 481 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 482#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 483 sinfo->filled |= STATION_INFO_LLID |
484 STATION_INFO_PLID |
485 STATION_INFO_PLINK_STATE;
486
487 sinfo->llid = le16_to_cpu(sta->llid);
488 sinfo->plid = le16_to_cpu(sta->plid);
489 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 490 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
491 sinfo->filled |= STATION_INFO_T_OFFSET;
492 sinfo->t_offset = sta->t_offset;
493 }
c5dd9c2b 494#endif
902acc78 495 }
f4263c98
PS		 496
497 sinfo->bss_param.flags = 0;
498 if (sdata->vif.bss_conf.use_cts_prot)
499 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
500 if (sdata->vif.bss_conf.use_short_preamble)
501 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
502 if (sdata->vif.bss_conf.use_short_slot)
503 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
504 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
505 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 506
507 sinfo->sta_flags.set = 0;
508 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
509 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
510 BIT(NL80211_STA_FLAG_WME) |
511 BIT(NL80211_STA_FLAG_MFP) |
e4121562 512 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
d582cffb 513 BIT(NL80211_STA_FLAG_ASSOCIATED) |
e4121562 514 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 515 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
516 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
517 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
518 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
519 if (test_sta_flag(sta, WLAN_STA_WME))
520 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
521 if (test_sta_flag(sta, WLAN_STA_MFP))
522 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
523 if (test_sta_flag(sta, WLAN_STA_AUTH))
524 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
d582cffb
JB		 525 if (test_sta_flag(sta, WLAN_STA_ASSOC))
526 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
e4121562
HS		 527 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
528 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 529}
530
b1ab7925
BG		 531static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
532 "rx_packets", "rx_bytes", "wep_weak_iv_count",
533 "rx_duplicates", "rx_fragments", "rx_dropped",
534 "tx_packets", "tx_bytes", "tx_fragments",
535 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 536 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
537 "channel", "noise", "ch_time", "ch_time_busy",
538 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 539};
540#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
541
542static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
543 struct net_device *dev,
544 int sset)
545{
e352114f
BG		 546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
547 int rv = 0;
548
b1ab7925 549 if (sset == ETH_SS_STATS)
e352114f
BG		 550 rv += STA_STATS_LEN;
551
552 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 553
e352114f
BG		 554 if (rv == 0)
555 return -EOPNOTSUPP;
556 return rv;
b1ab7925
BG		 557}
558
559static void ieee80211_get_et_stats(struct wiphy *wiphy,
560 struct net_device *dev,
561 struct ethtool_stats *stats,
562 u64 *data)
563{
564 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 565 struct ieee80211_chanctx_conf *chanctx_conf;
566 struct ieee80211_channel *channel;
b1ab7925
BG		 567 struct sta_info *sta;
568 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 569 struct station_info sinfo;
570 struct survey_info survey;
571 int i, q;
572#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 573
574 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
575
576#define ADD_STA_STATS(sta) \
577 do { \
578 data[i++] += sta->rx_packets; \
579 data[i++] += sta->rx_bytes; \
580 data[i++] += sta->wep_weak_iv_count; \
581 data[i++] += sta->num_duplicates; \
582 data[i++] += sta->rx_fragments; \
583 data[i++] += sta->rx_dropped; \
584 \
585 data[i++] += sta->tx_packets; \
586 data[i++] += sta->tx_bytes; \
587 data[i++] += sta->tx_fragments; \
588 data[i++] += sta->tx_filtered_count; \
589 data[i++] += sta->tx_retry_failed; \
590 data[i++] += sta->tx_retry_count; \
591 data[i++] += sta->beacon_loss_count; \
592 } while (0)
593
594 /* For Managed stations, find the single station based on BSSID
595 * and use that. For interface types, iterate through all available
596 * stations and add stats for any station that is assigned to this
597 * network device.
598 */
599
66572cfc 600 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 601
602 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
603 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 604
605 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
606 goto do_survey;
607
608 i = 0;
609 ADD_STA_STATS(sta);
610
611 data[i++] = sta->sta_state;
612
613 sinfo.filled = 0;
614 sta_set_sinfo(sta, &sinfo);
615
5204267d 616 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 617 data[i] = 100000 *
618 cfg80211_calculate_bitrate(&sinfo.txrate);
619 i++;
5204267d 620 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 621 data[i] = 100000 *
622 cfg80211_calculate_bitrate(&sinfo.rxrate);
623 i++;
624
5204267d 625 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 626 data[i] = (u8)sinfo.signal_avg;
627 i++;
b1ab7925 628 } else {
66572cfc 629 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 630 /* Make sure this station belongs to the proper dev */
631 if (sta->sdata->dev != dev)
632 continue;
633
634 i = 0;
635 ADD_STA_STATS(sta);
b1ab7925
BG		 636 }
637 }
638
3073a7c2
BG		 639do_survey:
640 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
641 /* Get survey stats for current channel */
55de908a 642 survey.filled = 0;
3073a7c2 643
55de908a
JB		 644 rcu_read_lock();
645 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
646 if (chanctx_conf)
4bf88530 647 channel = chanctx_conf->def.chan;
55de908a
JB		 648 else
649 channel = NULL;
650 rcu_read_unlock();
651
652 if (channel) {
653 q = 0;
654 do {
655 survey.filled = 0;
656 if (drv_get_survey(local, q, &survey) != 0) {
657 survey.filled = 0;
658 break;
659 }
660 q++;
661 } while (channel != survey.channel);
3073a7c2
BG		 662 }
663
664 if (survey.filled)
665 data[i++] = survey.channel->center_freq;
666 else
667 data[i++] = 0;
668 if (survey.filled & SURVEY_INFO_NOISE_DBM)
669 data[i++] = (u8)survey.noise;
670 else
671 data[i++] = -1LL;
672 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
673 data[i++] = survey.channel_time;
674 else
675 data[i++] = -1LL;
676 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
677 data[i++] = survey.channel_time_busy;
678 else
679 data[i++] = -1LL;
680 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
681 data[i++] = survey.channel_time_ext_busy;
682 else
683 data[i++] = -1LL;
684 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
685 data[i++] = survey.channel_time_rx;
686 else
687 data[i++] = -1LL;
688 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
689 data[i++] = survey.channel_time_tx;
690 else
691 data[i++] = -1LL;
692
66572cfc 693 mutex_unlock(&local->sta_mtx);
e352114f 694
3073a7c2
BG		 695 if (WARN_ON(i != STA_STATS_LEN))
696 return;
697
e352114f 698 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 699}
700
701static void ieee80211_get_et_strings(struct wiphy *wiphy,
702 struct net_device *dev,
703 u32 sset, u8 *data)
704{
e352114f
BG		 705 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
706 int sz_sta_stats = 0;
707
b1ab7925 708 if (sset == ETH_SS_STATS) {
e352114f 709 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 710 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
711 }
e352114f 712 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 713}
c5dd9c2b
LCC		 714
715static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
716 int idx, u8 *mac, struct station_info *sinfo)
717{
3b53fde8 718 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 719 struct ieee80211_local *local = sdata->local;
c5dd9c2b 720 struct sta_info *sta;
d0709a65
JB		 721 int ret = -ENOENT;
722
66572cfc 723 mutex_lock(&local->sta_mtx);
c5dd9c2b 724
3b53fde8 725 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 726 if (sta) {
727 ret = 0;
17741cdc 728 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 729 sta_set_sinfo(sta, sinfo);
730 }
c5dd9c2b 731
66572cfc 732 mutex_unlock(&local->sta_mtx);
c5dd9c2b 733
d0709a65 734 return ret;
c5dd9c2b
LCC		 735}
736
1289723e
HS		 737static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
738 int idx, struct survey_info *survey)
739{
740 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
741
1289723e
HS		 742 return drv_get_survey(local, idx, survey);
743}
744
7bbdd2d9 745static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 746 u8 *mac, struct station_info *sinfo)
7bbdd2d9 747{
abe60632 748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 749 struct ieee80211_local *local = sdata->local;
7bbdd2d9 750 struct sta_info *sta;
d0709a65 751 int ret = -ENOENT;
7bbdd2d9 752
66572cfc 753 mutex_lock(&local->sta_mtx);
7bbdd2d9 754
0e5ded5a 755 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 756 if (sta) {
757 ret = 0;
758 sta_set_sinfo(sta, sinfo);
759 }
760
66572cfc 761 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 762
763 return ret;
7bbdd2d9
JB		 764}
765
55de908a 766static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 767 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 768{
769 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 770 struct ieee80211_sub_if_data *sdata;
771 int ret = 0;
3d9e6e12 772
4bf88530 773 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 774 return 0;
3d9e6e12 775
55de908a
JB		 776 mutex_lock(&local->iflist_mtx);
777 if (local->use_chanctx) {
778 sdata = rcu_dereference_protected(
779 local->monitor_sdata,
780 lockdep_is_held(&local->iflist_mtx));
781 if (sdata) {
782 ieee80211_vif_release_channel(sdata);
4bf88530 783 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 784 IEEE80211_CHANCTX_EXCLUSIVE);
785 }
786 } else if (local->open_count == local->monitors) {
683b6d3b 787 local->_oper_channel = chandef->chan;
4bf88530 788 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
55de908a
JB		 789 ieee80211_hw_config(local, 0);
790 }
3d9e6e12 791
4bf88530
JB		 792 if (ret == 0)
793 local->monitor_chandef = *chandef;
55de908a 794 mutex_unlock(&local->iflist_mtx);
3d9e6e12 795
55de908a 796 return ret;
e8c9bd5b
JB		 797}
798
02945821 799static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 800 const u8 *resp, size_t resp_len)
02945821 801{
aa7a0080 802 struct probe_resp *new, *old;
02945821
AN		 803
804 if (!resp || !resp_len)
aba4e6ff 805 return 1;
02945821 806
f724828b 807 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 808
aa7a0080 809 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 810 if (!new)
811 return -ENOMEM;
812
aa7a0080
ES		 813 new->len = resp_len;
814 memcpy(new->data, resp, resp_len);
02945821
AN		 815
816 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 817 if (old)
818 kfree_rcu(old, rcu_head);
02945821
AN		 819
820 return 0;
821}
822
8860020e
JB		 823static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
824 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 825{
826 struct beacon_data *new, *old;
827 int new_head_len, new_tail_len;
8860020e
JB		 828 int size, err;
829 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 830
40b275b6 831 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 832
5dfdaf58
JB		 833 /* Need to have a beacon head if we don't have one yet */
834 if (!params->head && !old)
8860020e 835 return -EINVAL;
5dfdaf58
JB		 836
837 /* new or old head? */
838 if (params->head)
839 new_head_len = params->head_len;
840 else
841 new_head_len = old->head_len;
842
843 /* new or old tail? */
844 if (params->tail || !old)
845 /* params->tail_len will be zero for !params->tail */
846 new_tail_len = params->tail_len;
847 else
848 new_tail_len = old->tail_len;
849
850 size = sizeof(*new) + new_head_len + new_tail_len;
851
852 new = kzalloc(size, GFP_KERNEL);
853 if (!new)
854 return -ENOMEM;
855
856 /* start filling the new info now */
857
5dfdaf58
JB		 858 /*
859 * pointers go into the block we allocated,
860 * memory is | beacon_data | head | tail |
861 */
862 new->head = ((u8 *) new) + sizeof(*new);
863 new->tail = new->head + new_head_len;
864 new->head_len = new_head_len;
865 new->tail_len = new_tail_len;
866
867 /* copy in head */
868 if (params->head)
869 memcpy(new->head, params->head, new_head_len);
870 else
871 memcpy(new->head, old->head, new_head_len);
872
873 /* copy in optional tail */
874 if (params->tail)
875 memcpy(new->tail, params->tail, new_tail_len);
876 else
877 if (old)
878 memcpy(new->tail, old->tail, new_tail_len);
879
02945821
AN		 880 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
881 params->probe_resp_len);
8860020e
JB		 882 if (err < 0)
883 return err;
884 if (err == 0)
02945821
AN		 885 changed |= BSS_CHANGED_AP_PROBE_RESP;
886
8860020e
JB		 887 rcu_assign_pointer(sdata->u.ap.beacon, new);
888
889 if (old)
890 kfree_rcu(old, rcu_head);
7827493b 891
8860020e 892 return changed;
5dfdaf58
JB		 893}
894
8860020e
JB		 895static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
896 struct cfg80211_ap_settings *params)
5dfdaf58 897{
8860020e 898 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 899 struct beacon_data *old;
665c93a9 900 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 901 u32 changed = BSS_CHANGED_BEACON_INT |
902 BSS_CHANGED_BEACON_ENABLED |
903 BSS_CHANGED_BEACON |
339afbf4
JB		 904 BSS_CHANGED_SSID |
905 BSS_CHANGED_P2P_PS;
8860020e 906 int err;
14db74bc 907
40b275b6 908 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 909 if (old)
910 return -EALREADY;
911
04ecd257
JB		 912 /* TODO: make hostapd tell us what it wants */
913 sdata->smps_mode = IEEE80211_SMPS_OFF;
914 sdata->needed_rx_chains = sdata->local->rx_chains;
915
4bf88530 916 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 917 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 918 if (err)
919 return err;
920
665c93a9
JB		 921 /*
922 * Apply control port protocol, this allows us to
923 * not encrypt dynamic WEP control frames.
924 */
925 sdata->control_port_protocol = params->crypto.control_port_ethertype;
926 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
927 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
928 vlan->control_port_protocol =
929 params->crypto.control_port_ethertype;
930 vlan->control_port_no_encrypt =
931 params->crypto.control_port_no_encrypt;
932 }
933
8860020e
JB		 934 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
935 sdata->vif.bss_conf.dtim_period = params->dtim_period;
d6a83228 936 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 937
938 sdata->vif.bss_conf.ssid_len = params->ssid_len;
939 if (params->ssid_len)
940 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
941 params->ssid_len);
942 sdata->vif.bss_conf.hidden_ssid =
943 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
944
339afbf4
JB		 945 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
946 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
947
8860020e
JB		 948 err = ieee80211_assign_beacon(sdata, &params->beacon);
949 if (err < 0)
950 return err;
951 changed |= err;
952
1041638f
JB		 953 err = drv_start_ap(sdata->local, sdata);
954 if (err) {
955 old = rtnl_dereference(sdata->u.ap.beacon);
956 if (old)
957 kfree_rcu(old, rcu_head);
958 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
959 return err;
960 }
961
8860020e
JB		 962 ieee80211_bss_info_change_notify(sdata, changed);
963
3edaf3e6
JB		 964 netif_carrier_on(dev);
965 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
966 netif_carrier_on(vlan->dev);
967
665c93a9 968 return 0;
5dfdaf58
JB		 969}
970
8860020e
JB		 971static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
972 struct cfg80211_beacon_data *params)
5dfdaf58 973{
14db74bc 974 struct ieee80211_sub_if_data *sdata;
5dfdaf58 975 struct beacon_data *old;
8860020e 976 int err;
5dfdaf58 977
14db74bc
JB		 978 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
979
40b275b6 980 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 981 if (!old)
982 return -ENOENT;
983
8860020e
JB		 984 err = ieee80211_assign_beacon(sdata, params);
985 if (err < 0)
986 return err;
987 ieee80211_bss_info_change_notify(sdata, err);
988 return 0;
5dfdaf58
JB		 989}
990
8860020e 991static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 992{
7b20b8e8
JB		 993 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
994 struct ieee80211_sub_if_data *vlan;
995 struct ieee80211_local *local = sdata->local;
996 struct beacon_data *old_beacon;
997 struct probe_resp *old_probe_resp;
14db74bc 998
7b20b8e8
JB		 999 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1000 if (!old_beacon)
5dfdaf58 1001 return -ENOENT;
7b20b8e8 1002 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1003
7b20b8e8 1004 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1005 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1006 netif_carrier_off(vlan->dev);
1007 netif_carrier_off(dev);
1008
7b20b8e8 1009 /* remove beacon and probe response */
a9b3cd7f 1010 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1011 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1012 kfree_rcu(old_beacon, rcu_head);
1013 if (old_probe_resp)
1014 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1015
2d4072a5 1016 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1017 sta_info_flush_defer(vlan);
1018 sta_info_flush_defer(sdata);
1019 rcu_barrier();
1020 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1021 sta_info_flush_cleanup(vlan);
1022 sta_info_flush_cleanup(sdata);
1023
d6a83228
JB		 1024 sdata->vif.bss_conf.enable_beacon = false;
1025 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1026 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1027
1041638f
JB		 1028 drv_stop_ap(sdata->local, sdata);
1029
7b20b8e8
JB		 1030 /* free all potentially still buffered bcast frames */
1031 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1032 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1033
55de908a
JB		 1034 ieee80211_vif_release_channel(sdata);
1035
2d0ddec5 1036 return 0;
5dfdaf58
JB		 1037}
1038
4fd6931e
JB		 1039/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1040struct iapp_layer2_update {
1041 u8 da[ETH_ALEN]; /* broadcast */
1042 u8 sa[ETH_ALEN]; /* STA addr */
1043 __be16 len; /* 6 */
1044 u8 dsap; /* 0 */
1045 u8 ssap; /* 0 */
1046 u8 control;
1047 u8 xid_info[3];
bc10502d 1048} __packed;
4fd6931e
JB		 1049
1050static void ieee80211_send_layer2_update(struct sta_info *sta)
1051{
1052 struct iapp_layer2_update *msg;
1053 struct sk_buff *skb;
1054
1055 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1056 * bridge devices */
1057
1058 skb = dev_alloc_skb(sizeof(*msg));
1059 if (!skb)
1060 return;
1061 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1062
1063 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1064 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1065
e83e6541 1066 eth_broadcast_addr(msg->da);
17741cdc 1067 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1068 msg->len = htons(6);
1069 msg->dsap = 0;
1070 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1071 msg->control = 0xaf; /* XID response lsb.1111F101.
1072 * F=0 (no poll command; unsolicited frame) */
1073 msg->xid_info[0] = 0x81; /* XID format identifier */
1074 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1075 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1076
d0709a65
JB		 1077 skb->dev = sta->sdata->dev;
1078 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1079 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1080 netif_rx_ni(skb);
4fd6931e
JB		 1081}
1082
d582cffb
JB		 1083static int sta_apply_auth_flags(struct ieee80211_local *local,
1084 struct sta_info *sta,
1085 u32 mask, u32 set)
1086{
1087 int ret;
1088
1089 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1090 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1091 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1092 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1093 if (ret)
1094 return ret;
1095 }
1096
1097 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1098 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1099 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1100 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1101 if (ret)
1102 return ret;
1103 }
1104
1105 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1106 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1107 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1108 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1109 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1110 else
1111 ret = 0;
1112 if (ret)
1113 return ret;
1114 }
1115
1116 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1117 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1118 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1119 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1120 if (ret)
1121 return ret;
1122 }
1123
1124 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1125 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1126 test_sta_flag(sta, WLAN_STA_AUTH)) {
1127 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1128 if (ret)
1129 return ret;
1130 }
1131
1132 return 0;
1133}
1134
d9a7ddb0
JB		 1135static int sta_apply_parameters(struct ieee80211_local *local,
1136 struct sta_info *sta,
1137 struct station_parameters *params)
4fd6931e 1138{
d9a7ddb0 1139 int ret = 0;
4fd6931e
JB		 1140 u32 rates;
1141 int i, j;
8318d78a 1142 struct ieee80211_supported_band *sband;
d0709a65 1143 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1144 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1145 u32 mask, set;
4fd6931e 1146
55de908a 1147 sband = local->hw.wiphy->bands[band];
ae5eb026 1148
eccb8e8f
JB		 1149 mask = params->sta_flags_mask;
1150 set = params->sta_flags_set;
73651ee6 1151
d582cffb
JB		 1152 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1153 /*
1154 * In mesh mode, ASSOCIATED isn't part of the nl80211
1155 * API but must follow AUTHENTICATED for driver state.
1156 */
1157 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1158 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1159 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1160 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
eccb8e8f 1161 }
4fd6931e 1162
d582cffb
JB		 1163 ret = sta_apply_auth_flags(local, sta, mask, set);
1164 if (ret)
1165 return ret;
d9a7ddb0 1166
eccb8e8f 1167 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1168 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1169 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1170 else
1171 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1172 }
4fd6931e 1173
eccb8e8f 1174 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1175 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1176 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1177 sta->sta.wme = true;
c2c98fde
JB		 1178 } else {
1179 clear_sta_flag(sta, WLAN_STA_WME);
1180 sta->sta.wme = false;
39df600a 1181 }
eccb8e8f 1182 }
5394af4d 1183
eccb8e8f 1184 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1185 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1186 set_sta_flag(sta, WLAN_STA_MFP);
1187 else
1188 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1189 }
b39c48fa 1190
07ba55d7 1191 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1192 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1193 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1194 else
1195 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1196 }
4fd6931e 1197
3b9ce80c
JB		 1198 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1199 sta->sta.uapsd_queues = params->uapsd_queues;
1200 sta->sta.max_sp = params->max_sp;
1201 }
9533b4ac 1202
51b50fbe
JB		 1203 /*
1204 * cfg80211 validates this (1-2007) and allows setting the AID
1205 * only when creating a new station entry
1206 */
1207 if (params->aid)
1208 sta->sta.aid = params->aid;
1209
73651ee6 1210 /*
ba23d206
JB		 1211 * Some of the following updates would be racy if called on an
1212 * existing station, via ieee80211_change_station(). However,
1213 * all such changes are rejected by cfg80211 except for updates
1214 * changing the supported rates on an existing but not yet used
1215 * TDLS peer.
73651ee6
JB		 1216 */
1217
4fd6931e
JB		 1218 if (params->listen_interval >= 0)
1219 sta->listen_interval = params->listen_interval;
1220
1221 if (params->supported_rates) {
1222 rates = 0;
8318d78a 1223
4fd6931e
JB		 1224 for (i = 0; i < params->supported_rates_len; i++) {
1225 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1226 for (j = 0; j < sband->n_bitrates; j++) {
1227 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1228 rates |= BIT(j);
1229 }
1230 }
55de908a 1231 sta->sta.supp_rates[band] = rates;
4fd6931e 1232 }
c5dd9c2b 1233
d9fe60de 1234 if (params->ht_capa)
ef96a842 1235 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1236 params->ht_capa,
d9fe60de 1237 &sta->sta.ht_cap);
36aedc90 1238
f461be3e
MP		 1239 if (params->vht_capa)
1240 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1241 params->vht_capa,
1242 &sta->sta.vht_cap);
1243
9c3990aa 1244 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1245#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1246 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1247 switch (params->plink_state) {
57cf8043
JC		 1248 case NL80211_PLINK_LISTEN:
1249 case NL80211_PLINK_ESTAB:
1250 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1251 sta->plink_state = params->plink_state;
1252 break;
1253 default:
1254 /* nothing */
1255 break;
1256 }
1257 else
1258 switch (params->plink_action) {
1259 case PLINK_ACTION_OPEN:
1260 mesh_plink_open(sta);
1261 break;
1262 case PLINK_ACTION_BLOCK:
1263 mesh_plink_block(sta);
1264 break;
1265 }
4daf50f2 1266#endif
902acc78 1267 }
d9a7ddb0
JB		 1268
1269 return 0;
4fd6931e
JB		 1270}
1271
1272static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1273 u8 *mac, struct station_parameters *params)
1274{
14db74bc 1275 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1276 struct sta_info *sta;
1277 struct ieee80211_sub_if_data *sdata;
73651ee6 1278 int err;
b8d476c8 1279 int layer2_update;
4fd6931e 1280
4fd6931e
JB		 1281 if (params->vlan) {
1282 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1283
05c914fe
JB		 1284 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1285 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1286 return -EINVAL;
1287 } else
1288 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1289
b203ca39 1290 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1291 return -EINVAL;
1292
1293 if (is_multicast_ether_addr(mac))
1294 return -EINVAL;
1295
1296 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1297 if (!sta)
1298 return -ENOMEM;
4fd6931e 1299
d582cffb
JB		 1300 /*
1301 * defaults -- if userspace wants something else we'll
1302 * change it accordingly in sta_apply_parameters()
1303 */
83d5cc01
JB		 1304 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1305 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1306
d9a7ddb0
JB		 1307 err = sta_apply_parameters(local, sta, params);
1308 if (err) {
1309 sta_info_free(local, sta);
1310 return err;
1311 }
4fd6931e 1312
d64cf63e
AN		 1313 /*
1314 * for TDLS, rate control should be initialized only when supported
1315 * rates are known.
1316 */
1317 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1318 rate_control_rate_init(sta);
4fd6931e 1319
b8d476c8
JM		 1320 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1321 sdata->vif.type == NL80211_IFTYPE_AP;
1322
34e89507 1323 err = sta_info_insert_rcu(sta);
73651ee6 1324 if (err) {
73651ee6
JB		 1325 rcu_read_unlock();
1326 return err;
1327 }
1328
b8d476c8 1329 if (layer2_update)
73651ee6
JB		 1330 ieee80211_send_layer2_update(sta);
1331
1332 rcu_read_unlock();
1333
4fd6931e
JB		 1334 return 0;
1335}
1336
1337static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1338 u8 *mac)
1339{
14db74bc 1340 struct ieee80211_sub_if_data *sdata;
4fd6931e 1341
14db74bc
JB		 1342 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1343
34e89507
JB		 1344 if (mac)
1345 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1346
b998e8bb 1347 sta_info_flush(sdata);
4fd6931e
JB		 1348 return 0;
1349}
1350
1351static int ieee80211_change_station(struct wiphy *wiphy,
1352 struct net_device *dev,
1353 u8 *mac,
1354 struct station_parameters *params)
1355{
abe60632 1356 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1357 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1358 struct sta_info *sta;
1359 struct ieee80211_sub_if_data *vlansdata;
35b88623 1360 int err;
4fd6931e 1361
87be1e1e 1362 mutex_lock(&local->sta_mtx);
98dd6a57 1363
0e5ded5a 1364 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1365 if (!sta) {
87be1e1e 1366 mutex_unlock(&local->sta_mtx);
4fd6931e 1367 return -ENOENT;
98dd6a57 1368 }
4fd6931e 1369
bdd90d5e
JB		 1370 /* in station mode, supported rates are only valid with TDLS */
1371 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1372 params->supported_rates &&
1373 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1374 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1375 return -EINVAL;
1376 }
1377
d0709a65 1378 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1379 bool prev_4addr = false;
1380 bool new_4addr = false;
1381
4fd6931e
JB		 1382 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1383
05c914fe
JB		 1384 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1385 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1386 mutex_unlock(&local->sta_mtx);
4fd6931e 1387 return -EINVAL;
98dd6a57 1388 }
4fd6931e 1389
9bc383de 1390 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1391 if (vlansdata->u.vlan.sta) {
87be1e1e 1392 mutex_unlock(&local->sta_mtx);
f14543ee 1393 return -EBUSY;
3305443c 1394 }
f14543ee 1395
cf778b00 1396 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1397 new_4addr = true;
1398 }
1399
1400 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1401 sta->sdata->u.vlan.sta) {
1402 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1403 prev_4addr = true;
f14543ee
FF		 1404 }
1405
14db74bc 1406 sta->sdata = vlansdata;
7e3ed02c
FF		 1407
1408 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1409 prev_4addr != new_4addr) {
1410 if (new_4addr)
1411 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1412 else
1413 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1414 }
1415
4fd6931e
JB		 1416 ieee80211_send_layer2_update(sta);
1417 }
1418
35b88623
EP		 1419 err = sta_apply_parameters(local, sta, params);
1420 if (err) {
1421 mutex_unlock(&local->sta_mtx);
1422 return err;
1423 }
4fd6931e 1424
d64cf63e
AN		 1425 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1426 rate_control_rate_init(sta);
1427
87be1e1e 1428 mutex_unlock(&local->sta_mtx);
98dd6a57 1429
808118cb 1430 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1431 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1432 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1433 ieee80211_recalc_ps_vif(sdata);
1434 }
4fd6931e
JB		 1435 return 0;
1436}
1437
c5dd9c2b
LCC		 1438#ifdef CONFIG_MAC80211_MESH
1439static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1440 u8 *dst, u8 *next_hop)
1441{
14db74bc 1442 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1443 struct mesh_path *mpath;
1444 struct sta_info *sta;
1445 int err;
1446
14db74bc
JB		 1447 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1448
d0709a65 1449 rcu_read_lock();
abe60632 1450 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1451 if (!sta) {
1452 rcu_read_unlock();
c5dd9c2b 1453 return -ENOENT;
d0709a65 1454 }
c5dd9c2b 1455
f698d856 1456 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1457 if (err) {
1458 rcu_read_unlock();
c5dd9c2b 1459 return err;
d0709a65 1460 }
c5dd9c2b 1461
f698d856 1462 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1463 if (!mpath) {
1464 rcu_read_unlock();
c5dd9c2b
LCC		 1465 return -ENXIO;
1466 }
1467 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1468
c5dd9c2b
LCC		 1469 rcu_read_unlock();
1470 return 0;
1471}
1472
1473static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1474 u8 *dst)
1475{
f698d856
JBG		 1476 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1477
c5dd9c2b 1478 if (dst)
f698d856 1479 return mesh_path_del(dst, sdata);
c5dd9c2b 1480
ece1a2e7 1481 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1482 return 0;
1483}
1484
1485static int ieee80211_change_mpath(struct wiphy *wiphy,
1486 struct net_device *dev,
1487 u8 *dst, u8 *next_hop)
1488{
14db74bc 1489 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1490 struct mesh_path *mpath;
1491 struct sta_info *sta;
1492
14db74bc
JB		 1493 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1494
d0709a65
JB		 1495 rcu_read_lock();
1496
abe60632 1497 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1498 if (!sta) {
1499 rcu_read_unlock();
c5dd9c2b 1500 return -ENOENT;
d0709a65 1501 }
c5dd9c2b 1502
f698d856 1503 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1504 if (!mpath) {
1505 rcu_read_unlock();
c5dd9c2b
LCC		 1506 return -ENOENT;
1507 }
1508
1509 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1510
c5dd9c2b
LCC		 1511 rcu_read_unlock();
1512 return 0;
1513}
1514
1515static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1516 struct mpath_info *pinfo)
1517{
a3836e02
JB		 1518 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1519
1520 if (next_hop_sta)
1521 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1522 else
1523 memset(next_hop, 0, ETH_ALEN);
1524
7ce8c7a3
LAYS		 1525 memset(pinfo, 0, sizeof(*pinfo));
1526
f5ea9120
JB		 1527 pinfo->generation = mesh_paths_generation;
1528
c5dd9c2b 1529 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1530 MPATH_INFO_SN |
c5dd9c2b
LCC		 1531 MPATH_INFO_METRIC |
1532 MPATH_INFO_EXPTIME |
1533 MPATH_INFO_DISCOVERY_TIMEOUT |
1534 MPATH_INFO_DISCOVERY_RETRIES |
1535 MPATH_INFO_FLAGS;
1536
1537 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1538 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1539 pinfo->metric = mpath->metric;
1540 if (time_before(jiffies, mpath->exp_time))
1541 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1542 pinfo->discovery_timeout =
1543 jiffies_to_msecs(mpath->discovery_timeout);
1544 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1545 if (mpath->flags & MESH_PATH_ACTIVE)
1546 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1547 if (mpath->flags & MESH_PATH_RESOLVING)
1548 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1549 if (mpath->flags & MESH_PATH_SN_VALID)
1550 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1551 if (mpath->flags & MESH_PATH_FIXED)
1552 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1553 if (mpath->flags & MESH_PATH_RESOLVED)
1554 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1555}
1556
1557static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1558 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1559
1560{
14db74bc 1561 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1562 struct mesh_path *mpath;
1563
14db74bc
JB		 1564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1565
c5dd9c2b 1566 rcu_read_lock();
f698d856 1567 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1568 if (!mpath) {
1569 rcu_read_unlock();
1570 return -ENOENT;
1571 }
1572 memcpy(dst, mpath->dst, ETH_ALEN);
1573 mpath_set_pinfo(mpath, next_hop, pinfo);
1574 rcu_read_unlock();
1575 return 0;
1576}
1577
1578static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1579 int idx, u8 *dst, u8 *next_hop,
1580 struct mpath_info *pinfo)
1581{
14db74bc 1582 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1583 struct mesh_path *mpath;
1584
14db74bc
JB		 1585 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1586
c5dd9c2b 1587 rcu_read_lock();
f698d856 1588 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1589 if (!mpath) {
1590 rcu_read_unlock();
1591 return -ENOENT;
1592 }
1593 memcpy(dst, mpath->dst, ETH_ALEN);
1594 mpath_set_pinfo(mpath, next_hop, pinfo);
1595 rcu_read_unlock();
1596 return 0;
1597}
93da9cc1 1598
24bdd9f4 1599static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1600 struct net_device *dev,
1601 struct mesh_config *conf)
1602{
1603 struct ieee80211_sub_if_data *sdata;
1604 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1605
93da9cc1 1606 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1607 return 0;
1608}
1609
1610static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1611{
1612 return (mask >> (parm-1)) & 0x1;
1613}
1614
c80d545d
JC		 1615static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1616 const struct mesh_setup *setup)
1617{
1618 u8 *new_ie;
1619 const u8 *old_ie;
4bb62344
CYY		 1620 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1621 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1622
581a8b0f 1623 /* allocate information elements */
c80d545d 1624 new_ie = NULL;
581a8b0f 1625 old_ie = ifmsh->ie;
c80d545d 1626
581a8b0f
JC		 1627 if (setup->ie_len) {
1628 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1629 GFP_KERNEL);
1630 if (!new_ie)
1631 return -ENOMEM;
1632 }
581a8b0f
JC		 1633 ifmsh->ie_len = setup->ie_len;
1634 ifmsh->ie = new_ie;
1635 kfree(old_ie);
c80d545d
JC		 1636
1637 /* now copy the rest of the setup parameters */
1638 ifmsh->mesh_id_len = setup->mesh_id_len;
1639 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1640 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1641 ifmsh->mesh_pp_id = setup->path_sel_proto;
1642 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1643 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1644 if (setup->is_authenticated)
1645 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1646 if (setup->is_secure)
1647 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1648
4bb62344
CYY		 1649 /* mcast rate setting in Mesh Node */
1650 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1651 sizeof(setup->mcast_rate));
1652
c80d545d
JC		 1653 return 0;
1654}
1655
24bdd9f4 1656static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1657 struct net_device *dev, u32 mask,
1658 const struct mesh_config *nconf)
93da9cc1 1659{
1660 struct mesh_config *conf;
1661 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1662 struct ieee80211_if_mesh *ifmsh;
1663
93da9cc1 1664 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1665 ifmsh = &sdata->u.mesh;
93da9cc1 1666
93da9cc1 1667 /* Set the config options which we are interested in setting */
1668 conf = &(sdata->u.mesh.mshcfg);
1669 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1670 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1671 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1672 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1673 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1674 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1675 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1676 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1677 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1678 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1679 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1680 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1681 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1682 conf->element_ttl = nconf->element_ttl;
93da9cc1 1683 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1684 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1685 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1686 conf->dot11MeshNbrOffsetMaxNeighbor =
1687 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1688 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1689 conf->dot11MeshHWMPmaxPREQretries =
1690 nconf->dot11MeshHWMPmaxPREQretries;
1691 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1692 conf->path_refresh_time = nconf->path_refresh_time;
1693 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1694 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1695 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1696 conf->dot11MeshHWMPactivePathTimeout =
1697 nconf->dot11MeshHWMPactivePathTimeout;
1698 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1699 conf->dot11MeshHWMPpreqMinInterval =
1700 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1701 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1702 conf->dot11MeshHWMPperrMinInterval =
1703 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1704 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1705 mask))
1706 conf->dot11MeshHWMPnetDiameterTraversalTime =
1707 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1708 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1709 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1710 ieee80211_mesh_root_setup(ifmsh);
1711 }
16dd7267 1712 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1713 /* our current gate announcement implementation rides on root
1714 * announcements, so require this ifmsh to also be a root node
1715 * */
1716 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1717 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1718 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1719 ieee80211_mesh_root_setup(ifmsh);
1720 }
16dd7267
JC		 1721 conf->dot11MeshGateAnnouncementProtocol =
1722 nconf->dot11MeshGateAnnouncementProtocol;
1723 }
a4f606ea 1724 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1725 conf->dot11MeshHWMPRannInterval =
1726 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1727 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1728 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1729 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1730 /* our RSSI threshold implementation is supported only for
1731 * devices that report signal in dBm.
1732 */
1733 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1734 return -ENOTSUPP;
1735 conf->rssi_threshold = nconf->rssi_threshold;
1736 }
70c33eaa
AN		 1737 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1738 conf->ht_opmode = nconf->ht_opmode;
1739 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1740 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1741 }
ac1073a6
CYY		 1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1743 conf->dot11MeshHWMPactivePathToRootTimeout =
1744 nconf->dot11MeshHWMPactivePathToRootTimeout;
1745 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1746 conf->dot11MeshHWMProotInterval =
1747 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1748 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1749 conf->dot11MeshHWMPconfirmationInterval =
1750 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1751 return 0;
1752}
1753
29cbe68c
JB		 1754static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1755 const struct mesh_config *conf,
1756 const struct mesh_setup *setup)
1757{
1758 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1759 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1760 int err;
29cbe68c 1761
c80d545d
JC		 1762 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1763 err = copy_mesh_setup(ifmsh, setup);
1764 if (err)
1765 return err;
cc1d2806 1766
04ecd257
JB		 1767 /* can mesh use other SMPS modes? */
1768 sdata->smps_mode = IEEE80211_SMPS_OFF;
1769 sdata->needed_rx_chains = sdata->local->rx_chains;
1770
4bf88530 1771 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1772 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1773 if (err)
1774 return err;
1775
29cbe68c
JB		 1776 ieee80211_start_mesh(sdata);
1777
1778 return 0;
1779}
1780
1781static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1782{
1783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1784
1785 ieee80211_stop_mesh(sdata);
55de908a 1786 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1787
1788 return 0;
1789}
c5dd9c2b
LCC		 1790#endif
1791
9f1ba906
JM		 1792static int ieee80211_change_bss(struct wiphy *wiphy,
1793 struct net_device *dev,
1794 struct bss_parameters *params)
1795{
55de908a
JB		 1796 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797 enum ieee80211_band band;
9f1ba906
JM		 1798 u32 changed = 0;
1799
55de908a
JB		 1800 if (!rtnl_dereference(sdata->u.ap.beacon))
1801 return -ENOENT;
1802
1803 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1804
9f1ba906 1805 if (params->use_cts_prot >= 0) {
bda3933a 1806 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1807 changed |= BSS_CHANGED_ERP_CTS_PROT;
1808 }
1809 if (params->use_short_preamble >= 0) {
bda3933a 1810 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1811 params->use_short_preamble;
1812 changed |= BSS_CHANGED_ERP_PREAMBLE;
1813 }
43d35343
FF		 1814
1815 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1816 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1817 sdata->vif.bss_conf.use_short_slot = true;
1818 changed |= BSS_CHANGED_ERP_SLOT;
1819 }
1820
9f1ba906 1821 if (params->use_short_slot_time >= 0) {
bda3933a 1822 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1823 params->use_short_slot_time;
1824 changed |= BSS_CHANGED_ERP_SLOT;
1825 }
1826
90c97a04
JM		 1827 if (params->basic_rates) {
1828 int i, j;
1829 u32 rates = 0;
55de908a 1830 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1831
1832 for (i = 0; i < params->basic_rates_len; i++) {
1833 int rate = (params->basic_rates[i] & 0x7f) * 5;
1834 for (j = 0; j < sband->n_bitrates; j++) {
1835 if (sband->bitrates[j].bitrate == rate)
1836 rates |= BIT(j);
1837 }
1838 }
1839 sdata->vif.bss_conf.basic_rates = rates;
1840 changed |= BSS_CHANGED_BASIC_RATES;
1841 }
1842
7b7b5e56
FF		 1843 if (params->ap_isolate >= 0) {
1844 if (params->ap_isolate)
1845 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1846 else
1847 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1848 }
1849
80d7e403
HS		 1850 if (params->ht_opmode >= 0) {
1851 sdata->vif.bss_conf.ht_operation_mode =
1852 (u16) params->ht_opmode;
1853 changed |= BSS_CHANGED_HT;
1854 }
1855
339afbf4
JB		 1856 if (params->p2p_ctwindow >= 0) {
1857 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1858 changed |= BSS_CHANGED_P2P_PS;
1859 }
1860
1861 if (params->p2p_opp_ps >= 0) {
1862 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1863 changed |= BSS_CHANGED_P2P_PS;
1864 }
1865
9f1ba906
JM		 1866 ieee80211_bss_info_change_notify(sdata, changed);
1867
1868 return 0;
1869}
1870
31888487 1871static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1872 struct net_device *dev,
31888487
JM		 1873 struct ieee80211_txq_params *params)
1874{
1875 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1877 struct ieee80211_tx_queue_params p;
1878
1879 if (!local->ops->conf_tx)
1880 return -EOPNOTSUPP;
1881
54bcbc69
JB		 1882 if (local->hw.queues < IEEE80211_NUM_ACS)
1883 return -EOPNOTSUPP;
1884
31888487
JM		 1885 memset(&p, 0, sizeof(p));
1886 p.aifs = params->aifs;
1887 p.cw_max = params->cwmax;
1888 p.cw_min = params->cwmin;
1889 p.txop = params->txop;
ab13315a
KV		 1890
1891 /*
1892 * Setting tx queue params disables u-apsd because it's only
1893 * called in master mode.
1894 */
1895 p.uapsd = false;
1896
a3304b0a
JB		 1897 sdata->tx_conf[params->ac] = p;
1898 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1899 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1900 "failed to set TX queue parameters for AC %d\n",
1901 params->ac);
31888487
JM		 1902 return -EINVAL;
1903 }
1904
7d25745d
JB		 1905 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1906
31888487
JM		 1907 return 0;
1908}
1909
665af4fc 1910#ifdef CONFIG_PM
ff1b6e69
JB		 1911static int ieee80211_suspend(struct wiphy *wiphy,
1912 struct cfg80211_wowlan *wowlan)
665af4fc 1913{
eecc4800 1914 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1915}
1916
1917static int ieee80211_resume(struct wiphy *wiphy)
1918{
1919 return __ieee80211_resume(wiphy_priv(wiphy));
1920}
1921#else
1922#define ieee80211_suspend NULL
1923#define ieee80211_resume NULL
1924#endif
1925
2a519311 1926static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1927 struct cfg80211_scan_request *req)
1928{
fd014284
JB		 1929 struct ieee80211_sub_if_data *sdata;
1930
1931 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1932
2ca27bcf
JB		 1933 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1934 case NL80211_IFTYPE_STATION:
1935 case NL80211_IFTYPE_ADHOC:
1936 case NL80211_IFTYPE_MESH_POINT:
1937 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1938 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1939 break;
1940 case NL80211_IFTYPE_P2P_GO:
1941 if (sdata->local->ops->hw_scan)
1942 break;
e9d7732e
JB		 1943 /*
1944 * FIXME: implement NoA while scanning in software,
1945 * for now fall through to allow scanning only when
1946 * beaconing hasn't been configured yet
1947 */
2ca27bcf 1948 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1949 /*
1950 * If the scan has been forced (and the driver supports
1951 * forcing), don't care about being beaconing already.
1952 * This will create problems to the attached stations (e.g. all
1953 * the frames sent while scanning on other channel will be
1954 * lost)
1955 */
1956 if (sdata->u.ap.beacon &&
1957 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1958 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1959 return -EOPNOTSUPP;
1960 break;
1961 default:
1962 return -EOPNOTSUPP;
1963 }
2a519311
JB		 1964
1965 return ieee80211_request_scan(sdata, req);
1966}
1967
79f460ca
LC		 1968static int
1969ieee80211_sched_scan_start(struct wiphy *wiphy,
1970 struct net_device *dev,
1971 struct cfg80211_sched_scan_request *req)
1972{
1973 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1974
1975 if (!sdata->local->ops->sched_scan_start)
1976 return -EOPNOTSUPP;
1977
1978 return ieee80211_request_sched_scan_start(sdata, req);
1979}
1980
1981static int
85a9994a 1982ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1983{
1984 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1985
1986 if (!sdata->local->ops->sched_scan_stop)
1987 return -EOPNOTSUPP;
1988
85a9994a 1989 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1990}
1991
636a5d36
JM		 1992static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1993 struct cfg80211_auth_request *req)
1994{
77fdaa12 1995 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1996}
1997
1998static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1999 struct cfg80211_assoc_request *req)
2000{
77fdaa12 2001 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2002}
2003
2004static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2005 struct cfg80211_deauth_request *req)
636a5d36 2006{
63c9c5e7 2007 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2008}
2009
2010static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2011 struct cfg80211_disassoc_request *req)
636a5d36 2012{
63c9c5e7 2013 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2014}
2015
af8cdcd8
JB		 2016static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2017 struct cfg80211_ibss_params *params)
2018{
55de908a 2019 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2020}
2021
2022static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2023{
55de908a 2024 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2025}
2026
391e53e3
AQ		 2027static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2028 int rate[IEEE80211_NUM_BANDS])
2029{
2030 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2031
2032 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
2033
2034 return 0;
2035}
2036
b9a5f8ca
JM		 2037static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2038{
2039 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2040 int err;
b9a5f8ca 2041
f23a4780
AN		 2042 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2043 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2044
2045 if (err)
2046 return err;
2047 }
2048
310bc676
LT		 2049 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2050 err = drv_set_coverage_class(local, wiphy->coverage_class);
2051
2052 if (err)
2053 return err;
2054 }
2055
b9a5f8ca 2056 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2057 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2058
24487981
JB		 2059 if (err)
2060 return err;
b9a5f8ca
JM		 2061 }
2062
8bc83c24
JB		 2063 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2064 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2065 return -EINVAL;
b9a5f8ca 2066 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2067 }
2068 if (changed & WIPHY_PARAM_RETRY_LONG) {
2069 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2070 return -EINVAL;
b9a5f8ca 2071 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2072 }
b9a5f8ca
JM		 2073 if (changed &
2074 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2075 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2076
2077 return 0;
2078}
2079
7643a2c3 2080static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2081 struct wireless_dev *wdev,
fa61cf70 2082 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2083{
2084 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2085 struct ieee80211_sub_if_data *sdata;
7643a2c3 2086
1ea6f9c0
JB		 2087 if (wdev) {
2088 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2089
2090 switch (type) {
2091 case NL80211_TX_POWER_AUTOMATIC:
2092 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2093 break;
2094 case NL80211_TX_POWER_LIMITED:
2095 case NL80211_TX_POWER_FIXED:
2096 if (mbm < 0 || (mbm % 100))
2097 return -EOPNOTSUPP;
2098 sdata->user_power_level = MBM_TO_DBM(mbm);
2099 break;
2100 }
2101
2102 ieee80211_recalc_txpower(sdata);
2103
2104 return 0;
2105 }
55de908a 2106
7643a2c3 2107 switch (type) {
fa61cf70 2108 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2109 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2110 break;
fa61cf70 2111 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2112 case NL80211_TX_POWER_FIXED:
2113 if (mbm < 0 || (mbm % 100))
2114 return -EOPNOTSUPP;
fa61cf70 2115 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2116 break;
7643a2c3
JB		 2117 }
2118
1ea6f9c0
JB		 2119 mutex_lock(&local->iflist_mtx);
2120 list_for_each_entry(sdata, &local->interfaces, list)
2121 sdata->user_power_level = local->user_power_level;
2122 list_for_each_entry(sdata, &local->interfaces, list)
2123 ieee80211_recalc_txpower(sdata);
2124 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2125
2126 return 0;
2127}
2128
c8442118
JB		 2129static int ieee80211_get_tx_power(struct wiphy *wiphy,
2130 struct wireless_dev *wdev,
2131 int *dbm)
7643a2c3
JB		 2132{
2133 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2134 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2135
1ea6f9c0
JB		 2136 if (!local->use_chanctx)
2137 *dbm = local->hw.conf.power_level;
2138 else
2139 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2140
7643a2c3
JB		 2141 return 0;
2142}
2143
ab737a4f 2144static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2145 const u8 *addr)
ab737a4f
JB		 2146{
2147 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2148
2149 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2150
2151 return 0;
2152}
2153
1f87f7d3
JB		 2154static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2155{
2156 struct ieee80211_local *local = wiphy_priv(wiphy);
2157
2158 drv_rfkill_poll(local);
2159}
2160
aff89a9b 2161#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2162static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2163{
2164 struct ieee80211_local *local = wiphy_priv(wiphy);
2165
2166 if (!local->ops->testmode_cmd)
2167 return -EOPNOTSUPP;
2168
2169 return local->ops->testmode_cmd(&local->hw, data, len);
2170}
71063f0e
WYG		 2171
2172static int ieee80211_testmode_dump(struct wiphy *wiphy,
2173 struct sk_buff *skb,
2174 struct netlink_callback *cb,
2175 void *data, int len)
2176{
2177 struct ieee80211_local *local = wiphy_priv(wiphy);
2178
2179 if (!local->ops->testmode_dump)
2180 return -EOPNOTSUPP;
2181
2182 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2183}
aff89a9b
JB		 2184#endif
2185
0f78231b
JB		 2186int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2187 enum ieee80211_smps_mode smps_mode)
2188{
2189 const u8 *ap;
2190 enum ieee80211_smps_mode old_req;
2191 int err;
2192
243e6df4
JB		 2193 lockdep_assert_held(&sdata->u.mgd.mtx);
2194
0f78231b
JB		 2195 old_req = sdata->u.mgd.req_smps;
2196 sdata->u.mgd.req_smps = smps_mode;
2197
2198 if (old_req == smps_mode &&
2199 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2200 return 0;
2201
2202 /*
2203 * If not associated, or current association is not an HT
04ecd257
JB		 2204 * association, there's no need to do anything, just store
2205 * the new value until we associate.
0f78231b
JB		 2206 */
2207 if (!sdata->u.mgd.associated ||
4bf88530 2208 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2209 return 0;
0f78231b 2210
0c1ad2ca 2211 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2212
2213 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2214 if (sdata->u.mgd.powersave)
2215 smps_mode = IEEE80211_SMPS_DYNAMIC;
2216 else
2217 smps_mode = IEEE80211_SMPS_OFF;
2218 }
2219
2220 /* send SM PS frame to AP */
2221 err = ieee80211_send_smps_action(sdata, smps_mode,
2222 ap, ap);
2223 if (err)
2224 sdata->u.mgd.req_smps = old_req;
2225
2226 return err;
2227}
2228
bc92afd9
JB		 2229static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2230 bool enabled, int timeout)
2231{
2232 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2233 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2234
ee1f6681
CYY		 2235 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2236 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2237 return -EOPNOTSUPP;
2238
bc92afd9
JB		 2239 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2240 return -EOPNOTSUPP;
2241
2242 if (enabled == sdata->u.mgd.powersave &&
ff616381 2243 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2244 return 0;
2245
2246 sdata->u.mgd.powersave = enabled;
ff616381 2247 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2248
0f78231b
JB		 2249 /* no change, but if automatic follow powersave */
2250 mutex_lock(&sdata->u.mgd.mtx);
2251 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2252 mutex_unlock(&sdata->u.mgd.mtx);
2253
bc92afd9
JB		 2254 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2255 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2256
2257 ieee80211_recalc_ps(local, -1);
ab095877 2258 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2259
2260 return 0;
2261}
2262
a97c13c3
JO		 2263static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2264 struct net_device *dev,
2265 s32 rssi_thold, u32 rssi_hyst)
2266{
2267 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2268 struct ieee80211_vif *vif = &sdata->vif;
2269 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2270
a97c13c3
JO		 2271 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2272 rssi_hyst == bss_conf->cqm_rssi_hyst)
2273 return 0;
2274
2275 bss_conf->cqm_rssi_thold = rssi_thold;
2276 bss_conf->cqm_rssi_hyst = rssi_hyst;
2277
2278 /* tell the driver upon association, unless already associated */
ea086359
JB		 2279 if (sdata->u.mgd.associated &&
2280 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2281 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2282
2283 return 0;
2284}
2285
9930380f
JB		 2286static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2287 struct net_device *dev,
2288 const u8 *addr,
2289 const struct cfg80211_bitrate_mask *mask)
2290{
2291 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2292 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2293 int i, ret;
2c7e6bc9 2294
554a43d5
EP		 2295 if (!ieee80211_sdata_running(sdata))
2296 return -ENETDOWN;
2297
bdbfd6b5
SM		 2298 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2299 ret = drv_set_bitrate_mask(local, sdata, mask);
2300 if (ret)
2301 return ret;
2302 }
9930380f 2303
19468413 2304 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2305 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2306 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2307 sizeof(mask->control[i].mcs));
2308 }
9930380f 2309
37eb0b16 2310 return 0;
9930380f
JB		 2311}
2312
2eb278e0
JB		 2313static int ieee80211_start_roc_work(struct ieee80211_local *local,
2314 struct ieee80211_sub_if_data *sdata,
2315 struct ieee80211_channel *channel,
2eb278e0
JB		 2316 unsigned int duration, u64 *cookie,
2317 struct sk_buff *txskb)
2318{
2319 struct ieee80211_roc_work *roc, *tmp;
2320 bool queued = false;
21f83589 2321 int ret;
21f83589
JB		 2322
2323 lockdep_assert_held(&local->mtx);
2324
fe57d9f5
JB		 2325 if (local->use_chanctx && !local->ops->remain_on_channel)
2326 return -EOPNOTSUPP;
2327
2eb278e0
JB		 2328 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2329 if (!roc)
2330 return -ENOMEM;
2331
2332 roc->chan = channel;
2eb278e0
JB		 2333 roc->duration = duration;
2334 roc->req_duration = duration;
2335 roc->frame = txskb;
2336 roc->mgmt_tx_cookie = (unsigned long)txskb;
2337 roc->sdata = sdata;
2338 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2339 INIT_LIST_HEAD(&roc->dependents);
2340
2341 /* if there's one pending or we're scanning, queue this one */
2342 if (!list_empty(&local->roc_list) || local->scanning)
2343 goto out_check_combine;
2344
2345 /* if not HW assist, just queue & schedule work */
2346 if (!local->ops->remain_on_channel) {
2347 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2348 goto out_queue;
2349 }
2350
2351 /* otherwise actually kick it off here (for error handling) */
2352
2353 /*
2354 * If the duration is zero, then the driver
2355 * wouldn't actually do anything. Set it to
2356 * 10 for now.
2357 *
2358 * TODO: cancel the off-channel operation
2359 * when we get the SKB's TX status and
2360 * the wait time was zero before.
2361 */
2362 if (!duration)
2363 duration = 10;
2364
42d97a59 2365 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2366 if (ret) {
2eb278e0
JB		 2367 kfree(roc);
2368 return ret;
21f83589
JB		 2369 }
2370
2eb278e0
JB		 2371 roc->started = true;
2372 goto out_queue;
2373
2374 out_check_combine:
2375 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2376 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2377 continue;
2378
2379 /*
2380 * Extend this ROC if possible:
2381 *
2382 * If it hasn't started yet, just increase the duration
2383 * and add the new one to the list of dependents.
2384 */
2385 if (!tmp->started) {
2386 list_add_tail(&roc->list, &tmp->dependents);
2387 tmp->duration = max(tmp->duration, roc->duration);
2388 queued = true;
2389 break;
2390 }
2391
2392 /* If it has already started, it's more difficult ... */
2393 if (local->ops->remain_on_channel) {
2394 unsigned long j = jiffies;
2395
2396 /*
2397 * In the offloaded ROC case, if it hasn't begun, add
2398 * this new one to the dependent list to be handled
2399 * when the the master one begins. If it has begun,
2400 * check that there's still a minimum time left and
2401 * if so, start this one, transmitting the frame, but
2402 * add it to the list directly after this one with a
2403 * a reduced time so we'll ask the driver to execute
2404 * it right after finishing the previous one, in the
2405 * hope that it'll also be executed right afterwards,
2406 * effectively extending the old one.
2407 * If there's no minimum time left, just add it to the
2408 * normal list.
2409 */
2410 if (!tmp->hw_begun) {
2411 list_add_tail(&roc->list, &tmp->dependents);
2412 queued = true;
2413 break;
2414 }
2415
2416 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2417 tmp->hw_start_time +
2418 msecs_to_jiffies(tmp->duration))) {
2419 int new_dur;
2420
2421 ieee80211_handle_roc_started(roc);
2422
2423 new_dur = roc->duration -
2424 jiffies_to_msecs(tmp->hw_start_time +
2425 msecs_to_jiffies(
2426 tmp->duration) -
2427 j);
2428
2429 if (new_dur > 0) {
2430 /* add right after tmp */
2431 list_add(&roc->list, &tmp->list);
2432 } else {
2433 list_add_tail(&roc->list,
2434 &tmp->dependents);
2435 }
2436 queued = true;
2437 }
2438 } else if (del_timer_sync(&tmp->work.timer)) {
2439 unsigned long new_end;
2440
2441 /*
2442 * In the software ROC case, cancel the timer, if
2443 * that fails then the finish work is already
2444 * queued/pending and thus we queue the new ROC
2445 * normally, if that succeeds then we can extend
2446 * the timer duration and TX the frame (if any.)
2447 */
2448
2449 list_add_tail(&roc->list, &tmp->dependents);
2450 queued = true;
2451
2452 new_end = jiffies + msecs_to_jiffies(roc->duration);
2453
2454 /* ok, it was started & we canceled timer */
2455 if (time_after(new_end, tmp->work.timer.expires))
2456 mod_timer(&tmp->work.timer, new_end);
2457 else
2458 add_timer(&tmp->work.timer);
2459
2460 ieee80211_handle_roc_started(roc);
2461 }
2462 break;
2463 }
2464
2465 out_queue:
2466 if (!queued)
2467 list_add_tail(&roc->list, &local->roc_list);
2468
2469 /*
50febf6a 2470 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2471 * or the SKB (for mgmt TX)
2472 */
50febf6a
JB		 2473 if (!txskb) {
2474 /* local->mtx protects this */
2475 local->roc_cookie_counter++;
2476 roc->cookie = local->roc_cookie_counter;
2477 /* wow, you wrapped 64 bits ... more likely a bug */
2478 if (WARN_ON(roc->cookie == 0)) {
2479 roc->cookie = 1;
2480 local->roc_cookie_counter++;
2481 }
2482 *cookie = roc->cookie;
2483 } else {
2eb278e0 2484 *cookie = (unsigned long)txskb;
50febf6a 2485 }
2eb278e0
JB		 2486
2487 return 0;
21f83589
JB		 2488}
2489
b8bc4b0a 2490static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2491 struct wireless_dev *wdev,
b8bc4b0a 2492 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2493 unsigned int duration,
2494 u64 *cookie)
2495{
71bbc994 2496 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2497 struct ieee80211_local *local = sdata->local;
2eb278e0 2498 int ret;
21f83589 2499
2eb278e0 2500 mutex_lock(&local->mtx);
42d97a59 2501 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2502 duration, cookie, NULL);
2503 mutex_unlock(&local->mtx);
b8bc4b0a 2504
2eb278e0 2505 return ret;
b8bc4b0a
JB		 2506}
2507
2eb278e0
JB		 2508static int ieee80211_cancel_roc(struct ieee80211_local *local,
2509 u64 cookie, bool mgmt_tx)
21f83589 2510{
2eb278e0 2511 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2512 int ret;
2513
2eb278e0
JB		 2514 mutex_lock(&local->mtx);
2515 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2516 struct ieee80211_roc_work *dep, *tmp2;
2517
2518 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2519 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2520 continue;
2521 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2522 continue;
2523 /* found dependent item -- just remove it */
2524 list_del(&dep->list);
2525 mutex_unlock(&local->mtx);
2526
2527 ieee80211_roc_notify_destroy(dep);
2528 return 0;
2529 }
2530
50febf6a 2531 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2532 continue;
2533 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2534 continue;
21f83589 2535
2eb278e0
JB		 2536 found = roc;
2537 break;
2538 }
21f83589 2539
2eb278e0
JB		 2540 if (!found) {
2541 mutex_unlock(&local->mtx);
2542 return -ENOENT;
2543 }
21f83589 2544
e979e33c
JB		 2545 /*
2546 * We found the item to cancel, so do that. Note that it
2547 * may have dependents, which we also cancel (and send
2548 * the expired signal for.) Not doing so would be quite
2549 * tricky here, but we may need to fix it later.
2550 */
2551
2eb278e0
JB		 2552 if (local->ops->remain_on_channel) {
2553 if (found->started) {
2554 ret = drv_cancel_remain_on_channel(local);
2555 if (WARN_ON_ONCE(ret)) {
2556 mutex_unlock(&local->mtx);
2557 return ret;
2558 }
2559 }
21f83589 2560
2eb278e0 2561 list_del(&found->list);
21f83589 2562
0f6b3f59
JB		 2563 if (found->started)
2564 ieee80211_start_next_roc(local);
2eb278e0 2565 mutex_unlock(&local->mtx);
21f83589 2566
2eb278e0
JB		 2567 ieee80211_roc_notify_destroy(found);
2568 } else {
2569 /* work may be pending so use it all the time */
2570 found->abort = true;
2571 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2572
21f83589
JB		 2573 mutex_unlock(&local->mtx);
2574
2eb278e0
JB		 2575 /* work will clean up etc */
2576 flush_delayed_work(&found->work);
21f83589 2577 }
b8bc4b0a 2578
2eb278e0 2579 return 0;
b8bc4b0a
JB		 2580}
2581
2eb278e0 2582static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2583 struct wireless_dev *wdev,
2eb278e0 2584 u64 cookie)
f30221e4 2585{
71bbc994 2586 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2587 struct ieee80211_local *local = sdata->local;
f30221e4 2588
2eb278e0 2589 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2590}
2591
71bbc994 2592static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2593 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2594 unsigned int wait, const u8 *buf, size_t len,
2595 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2596{
71bbc994 2597 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2598 struct ieee80211_local *local = sdata->local;
2599 struct sk_buff *skb;
2600 struct sta_info *sta;
2601 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2602 bool need_offchan = false;
e247bd90 2603 u32 flags;
2eb278e0 2604 int ret;
f7ca38df 2605
e247bd90
JB		 2606 if (dont_wait_for_ack)
2607 flags = IEEE80211_TX_CTL_NO_ACK;
2608 else
2609 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2610 IEEE80211_TX_CTL_REQ_TX_STATUS;
2611
aad14ceb
RM		 2612 if (no_cck)
2613 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2614
9d38d85d
JB		 2615 switch (sdata->vif.type) {
2616 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2617 if (!sdata->vif.bss_conf.ibss_joined)
2618 need_offchan = true;
2619 /* fall through */
2620#ifdef CONFIG_MAC80211_MESH
2621 case NL80211_IFTYPE_MESH_POINT:
2622 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2623 !sdata->u.mesh.mesh_id_len)
2624 need_offchan = true;
2625 /* fall through */
2626#endif
663fcafd
JB		 2627 case NL80211_IFTYPE_AP:
2628 case NL80211_IFTYPE_AP_VLAN:
2629 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2630 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2631 !ieee80211_vif_is_mesh(&sdata->vif) &&
2632 !rcu_access_pointer(sdata->bss->beacon))
2633 need_offchan = true;
663fcafd
JB		 2634 if (!ieee80211_is_action(mgmt->frame_control) ||
2635 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2636 break;
2637 rcu_read_lock();
2638 sta = sta_info_get(sdata, mgmt->da);
2639 rcu_read_unlock();
2640 if (!sta)
2641 return -ENOLINK;
2642 break;
2643 case NL80211_IFTYPE_STATION:
663fcafd 2644 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2645 if (!sdata->u.mgd.associated)
2646 need_offchan = true;
9d38d85d 2647 break;
f142c6b9
JB		 2648 case NL80211_IFTYPE_P2P_DEVICE:
2649 need_offchan = true;
2650 break;
9d38d85d
JB		 2651 default:
2652 return -EOPNOTSUPP;
2653 }
2654
2eb278e0
JB		 2655 mutex_lock(&local->mtx);
2656
2657 /* Check if the operating channel is the requested channel */
2658 if (!need_offchan) {
55de908a
JB		 2659 struct ieee80211_chanctx_conf *chanctx_conf;
2660
2661 rcu_read_lock();
2662 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2663
42d97a59 2664 if (chanctx_conf)
4bf88530 2665 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2666 else
2eb278e0 2667 need_offchan = true;
55de908a 2668 rcu_read_unlock();
2eb278e0
JB		 2669 }
2670
2671 if (need_offchan && !offchan) {
2672 ret = -EBUSY;
2673 goto out_unlock;
2674 }
2675
9d38d85d 2676 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2677 if (!skb) {
2678 ret = -ENOMEM;
2679 goto out_unlock;
2680 }
9d38d85d
JB		 2681 skb_reserve(skb, local->hw.extra_tx_headroom);
2682
2683 memcpy(skb_put(skb, len), buf, len);
2684
2685 IEEE80211_SKB_CB(skb)->flags = flags;
2686
2687 skb->dev = sdata->dev;
9d38d85d 2688
2eb278e0 2689 if (!need_offchan) {
7f9f78ab 2690 *cookie = (unsigned long) skb;
f30221e4 2691 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2692 ret = 0;
2693 goto out_unlock;
f30221e4
JB		 2694 }
2695
2eb278e0
JB		 2696 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2697 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2698 IEEE80211_SKB_CB(skb)->hw_queue =
2699 local->hw.offchannel_tx_hw_queue;
f30221e4 2700
2eb278e0 2701 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2702 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2703 wait, cookie, skb);
2704 if (ret)
2705 kfree_skb(skb);
2706 out_unlock:
2707 mutex_unlock(&local->mtx);
2708 return ret;
026331c4
JM		 2709}
2710
f30221e4 2711static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2712 struct wireless_dev *wdev,
f30221e4
JB		 2713 u64 cookie)
2714{
71bbc994 2715 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2716
2eb278e0 2717 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2718}
2719
7be5086d 2720static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2721 struct wireless_dev *wdev,
7be5086d
JB		 2722 u16 frame_type, bool reg)
2723{
2724 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2725 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2726
6abe0563
WH		 2727 switch (frame_type) {
2728 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2729 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2730 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2731
6abe0563
WH		 2732 if (reg)
2733 ifibss->auth_frame_registrations++;
2734 else
2735 ifibss->auth_frame_registrations--;
2736 }
2737 break;
2738 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2739 if (reg)
2740 local->probe_req_reg++;
2741 else
2742 local->probe_req_reg--;
7be5086d 2743
35f5149e
FF		 2744 if (!local->open_count)
2745 break;
2746
6abe0563
WH		 2747 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2748 break;
2749 default:
2750 break;
2751 }
7be5086d
JB		 2752}
2753
15d96753
BR		 2754static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2755{
2756 struct ieee80211_local *local = wiphy_priv(wiphy);
2757
2758 if (local->started)
2759 return -EOPNOTSUPP;
2760
2761 return drv_set_antenna(local, tx_ant, rx_ant);
2762}
2763
2764static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2765{
2766 struct ieee80211_local *local = wiphy_priv(wiphy);
2767
2768 return drv_get_antenna(local, tx_ant, rx_ant);
2769}
2770
38c09159
JL		 2771static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2772{
2773 struct ieee80211_local *local = wiphy_priv(wiphy);
2774
2775 return drv_set_ringparam(local, tx, rx);
2776}
2777
2778static void ieee80211_get_ringparam(struct wiphy *wiphy,
2779 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2780{
2781 struct ieee80211_local *local = wiphy_priv(wiphy);
2782
2783 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2784}
2785
c68f4b89
JB		 2786static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2787 struct net_device *dev,
2788 struct cfg80211_gtk_rekey_data *data)
2789{
2790 struct ieee80211_local *local = wiphy_priv(wiphy);
2791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2792
2793 if (!local->ops->set_rekey_data)
2794 return -EOPNOTSUPP;
2795
2796 drv_set_rekey_data(local, sdata, data);
2797
2798 return 0;
2799}
2800
dfe018bf
AN		 2801static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2802{
2803 u8 *pos = (void *)skb_put(skb, 7);
2804
2805 *pos++ = WLAN_EID_EXT_CAPABILITY;
2806 *pos++ = 5; /* len */
2807 *pos++ = 0x0;
2808 *pos++ = 0x0;
2809 *pos++ = 0x0;
2810 *pos++ = 0x0;
2811 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2812}
2813
2814static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2815{
2816 struct ieee80211_local *local = sdata->local;
2817 u16 capab;
2818
2819 capab = 0;
55de908a 2820 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2821 return capab;
2822
2823 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2824 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2825 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2826 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2827
2828 return capab;
2829}
2830
2831static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2832 u8 *peer, u8 *bssid)
2833{
2834 struct ieee80211_tdls_lnkie *lnkid;
2835
2836 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2837
2838 lnkid->ie_type = WLAN_EID_LINK_ID;
2839 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2840
2841 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2842 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2843 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2844}
2845
2846static int
2847ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2848 u8 *peer, u8 action_code, u8 dialog_token,
2849 u16 status_code, struct sk_buff *skb)
2850{
2851 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2852 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2853 struct ieee80211_tdls_data *tf;
2854
2855 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2856
2857 memcpy(tf->da, peer, ETH_ALEN);
2858 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2859 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2860 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2861
2862 switch (action_code) {
2863 case WLAN_TDLS_SETUP_REQUEST:
2864 tf->category = WLAN_CATEGORY_TDLS;
2865 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2866
2867 skb_put(skb, sizeof(tf->u.setup_req));
2868 tf->u.setup_req.dialog_token = dialog_token;
2869 tf->u.setup_req.capability =
2870 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2871
55de908a
JB		 2872 ieee80211_add_srates_ie(sdata, skb, false, band);
2873 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2874 ieee80211_tdls_add_ext_capab(skb);
2875 break;
2876 case WLAN_TDLS_SETUP_RESPONSE:
2877 tf->category = WLAN_CATEGORY_TDLS;
2878 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2879
2880 skb_put(skb, sizeof(tf->u.setup_resp));
2881 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2882 tf->u.setup_resp.dialog_token = dialog_token;
2883 tf->u.setup_resp.capability =
2884 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2885
55de908a
JB		 2886 ieee80211_add_srates_ie(sdata, skb, false, band);
2887 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2888 ieee80211_tdls_add_ext_capab(skb);
2889 break;
2890 case WLAN_TDLS_SETUP_CONFIRM:
2891 tf->category = WLAN_CATEGORY_TDLS;
2892 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2893
2894 skb_put(skb, sizeof(tf->u.setup_cfm));
2895 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2896 tf->u.setup_cfm.dialog_token = dialog_token;
2897 break;
2898 case WLAN_TDLS_TEARDOWN:
2899 tf->category = WLAN_CATEGORY_TDLS;
2900 tf->action_code = WLAN_TDLS_TEARDOWN;
2901
2902 skb_put(skb, sizeof(tf->u.teardown));
2903 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2904 break;
2905 case WLAN_TDLS_DISCOVERY_REQUEST:
2906 tf->category = WLAN_CATEGORY_TDLS;
2907 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2908
2909 skb_put(skb, sizeof(tf->u.discover_req));
2910 tf->u.discover_req.dialog_token = dialog_token;
2911 break;
2912 default:
2913 return -EINVAL;
2914 }
2915
2916 return 0;
2917}
2918
2919static int
2920ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2921 u8 *peer, u8 action_code, u8 dialog_token,
2922 u16 status_code, struct sk_buff *skb)
2923{
2924 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2925 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2926 struct ieee80211_mgmt *mgmt;
2927
2928 mgmt = (void *)skb_put(skb, 24);
2929 memset(mgmt, 0, 24);
2930 memcpy(mgmt->da, peer, ETH_ALEN);
2931 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2932 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2933
2934 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2935 IEEE80211_STYPE_ACTION);
2936
2937 switch (action_code) {
2938 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2939 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2940 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2941 mgmt->u.action.u.tdls_discover_resp.action_code =
2942 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2943 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2944 dialog_token;
2945 mgmt->u.action.u.tdls_discover_resp.capability =
2946 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2947
55de908a
JB		 2948 ieee80211_add_srates_ie(sdata, skb, false, band);
2949 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2950 ieee80211_tdls_add_ext_capab(skb);
2951 break;
2952 default:
2953 return -EINVAL;
2954 }
2955
2956 return 0;
2957}
2958
2959static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2960 u8 *peer, u8 action_code, u8 dialog_token,
2961 u16 status_code, const u8 *extra_ies,
2962 size_t extra_ies_len)
2963{
2964 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2965 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2966 struct sk_buff *skb = NULL;
2967 bool send_direct;
2968 int ret;
2969
2970 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2971 return -ENOTSUPP;
2972
2973 /* make sure we are in managed mode, and associated */
2974 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2975 !sdata->u.mgd.associated)
2976 return -EINVAL;
2977
bdcbd8e0
JB		 2978 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2979 action_code, peer);
dfe018bf
AN		 2980
2981 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2982 max(sizeof(struct ieee80211_mgmt),
2983 sizeof(struct ieee80211_tdls_data)) +
2984 50 + /* supported rates */
2985 7 + /* ext capab */
2986 extra_ies_len +
2987 sizeof(struct ieee80211_tdls_lnkie));
2988 if (!skb)
2989 return -ENOMEM;
2990
dfe018bf
AN		 2991 skb_reserve(skb, local->hw.extra_tx_headroom);
2992
2993 switch (action_code) {
2994 case WLAN_TDLS_SETUP_REQUEST:
2995 case WLAN_TDLS_SETUP_RESPONSE:
2996 case WLAN_TDLS_SETUP_CONFIRM:
2997 case WLAN_TDLS_TEARDOWN:
2998 case WLAN_TDLS_DISCOVERY_REQUEST:
2999 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3000 action_code, dialog_token,
3001 status_code, skb);
3002 send_direct = false;
3003 break;
3004 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3005 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3006 dialog_token, status_code,
3007 skb);
3008 send_direct = true;
3009 break;
3010 default:
3011 ret = -ENOTSUPP;
3012 break;
3013 }
3014
3015 if (ret < 0)
3016 goto fail;
3017
3018 if (extra_ies_len)
3019 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3020
3021 /* the TDLS link IE is always added last */
3022 switch (action_code) {
3023 case WLAN_TDLS_SETUP_REQUEST:
3024 case WLAN_TDLS_SETUP_CONFIRM:
3025 case WLAN_TDLS_TEARDOWN:
3026 case WLAN_TDLS_DISCOVERY_REQUEST:
3027 /* we are the initiator */
3028 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3029 sdata->u.mgd.bssid);
3030 break;
3031 case WLAN_TDLS_SETUP_RESPONSE:
3032 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3033 /* we are the responder */
3034 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3035 sdata->u.mgd.bssid);
3036 break;
3037 default:
3038 ret = -ENOTSUPP;
3039 goto fail;
3040 }
3041
3042 if (send_direct) {
3043 ieee80211_tx_skb(sdata, skb);
3044 return 0;
3045 }
3046
3047 /*
3048 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3049 * we should default to AC_VI.
3050 */
3051 switch (action_code) {
3052 case WLAN_TDLS_SETUP_REQUEST:
3053 case WLAN_TDLS_SETUP_RESPONSE:
3054 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3055 skb->priority = 2;
3056 break;
3057 default:
3058 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3059 skb->priority = 5;
3060 break;
3061 }
3062
3063 /* disable bottom halves when entering the Tx path */
3064 local_bh_disable();
3065 ret = ieee80211_subif_start_xmit(skb, dev);
3066 local_bh_enable();
3067
3068 return ret;
3069
3070fail:
3071 dev_kfree_skb(skb);
3072 return ret;
3073}
3074
3075static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3076 u8 *peer, enum nl80211_tdls_operation oper)
3077{
941c93cd 3078 struct sta_info *sta;
dfe018bf
AN		 3079 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3080
3081 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3082 return -ENOTSUPP;
3083
3084 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3085 return -EINVAL;
3086
bdcbd8e0 3087 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3088
3089 switch (oper) {
3090 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3091 rcu_read_lock();
3092 sta = sta_info_get(sdata, peer);
3093 if (!sta) {
3094 rcu_read_unlock();
3095 return -ENOLINK;
3096 }
3097
c2c98fde 3098 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3099 rcu_read_unlock();
dfe018bf
AN		 3100 break;
3101 case NL80211_TDLS_DISABLE_LINK:
3102 return sta_info_destroy_addr(sdata, peer);
3103 case NL80211_TDLS_TEARDOWN:
3104 case NL80211_TDLS_SETUP:
3105 case NL80211_TDLS_DISCOVERY_REQ:
3106 /* We don't support in-driver setup/teardown/discovery */
3107 return -ENOTSUPP;
3108 default:
3109 return -ENOTSUPP;
3110 }
3111
3112 return 0;
3113}
3114
06500736
JB		 3115static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3116 const u8 *peer, u64 *cookie)
3117{
3118 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3119 struct ieee80211_local *local = sdata->local;
3120 struct ieee80211_qos_hdr *nullfunc;
3121 struct sk_buff *skb;
3122 int size = sizeof(*nullfunc);
3123 __le16 fc;
3124 bool qos;
3125 struct ieee80211_tx_info *info;
3126 struct sta_info *sta;
55de908a
JB		 3127 struct ieee80211_chanctx_conf *chanctx_conf;
3128 enum ieee80211_band band;
06500736
JB		 3129
3130 rcu_read_lock();
55de908a
JB		 3131 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3132 if (WARN_ON(!chanctx_conf)) {
3133 rcu_read_unlock();
3134 return -EINVAL;
3135 }
4bf88530 3136 band = chanctx_conf->def.chan->band;
06500736 3137 sta = sta_info_get(sdata, peer);
b4487c2d 3138 if (sta) {
06500736 3139 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3140 } else {
3141 rcu_read_unlock();
06500736 3142 return -ENOLINK;
b4487c2d 3143 }
06500736
JB		 3144
3145 if (qos) {
3146 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3147 IEEE80211_STYPE_QOS_NULLFUNC |
3148 IEEE80211_FCTL_FROMDS);
3149 } else {
3150 size -= 2;
3151 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3152 IEEE80211_STYPE_NULLFUNC |
3153 IEEE80211_FCTL_FROMDS);
3154 }
3155
3156 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3157 if (!skb) {
3158 rcu_read_unlock();
06500736 3159 return -ENOMEM;
55de908a 3160 }
06500736
JB		 3161
3162 skb->dev = dev;
3163
3164 skb_reserve(skb, local->hw.extra_tx_headroom);
3165
3166 nullfunc = (void *) skb_put(skb, size);
3167 nullfunc->frame_control = fc;
3168 nullfunc->duration_id = 0;
3169 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3170 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3171 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3172 nullfunc->seq_ctrl = 0;
3173
3174 info = IEEE80211_SKB_CB(skb);
3175
3176 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3177 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3178
3179 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3180 skb->priority = 7;
3181 if (qos)
3182 nullfunc->qos_ctrl = cpu_to_le16(7);
3183
3184 local_bh_disable();
55de908a 3185 ieee80211_xmit(sdata, skb, band);
06500736 3186 local_bh_enable();
55de908a 3187 rcu_read_unlock();
06500736
JB		 3188
3189 *cookie = (unsigned long) skb;
3190 return 0;
3191}
3192
683b6d3b
JB		 3193static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3194 struct wireless_dev *wdev,
3195 struct cfg80211_chan_def *chandef)
5b7ccaf3 3196{
55de908a
JB		 3197 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3198 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3199 int ret = -ENODATA;
55de908a
JB		 3200
3201 rcu_read_lock();
3202 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3203 if (chanctx_conf) {
4bf88530 3204 *chandef = chanctx_conf->def;
683b6d3b 3205 ret = 0;
55de908a
JB		 3206 }
3207 rcu_read_unlock();
5b7ccaf3 3208
683b6d3b 3209 return ret;
5b7ccaf3
JB		 3210}
3211
6d52563f
JB		 3212#ifdef CONFIG_PM
3213static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3214{
3215 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3216}
3217#endif
3218
f0706e82
JB		 3219struct cfg80211_ops mac80211_config_ops = {
3220 .add_virtual_intf = ieee80211_add_iface,
3221 .del_virtual_intf = ieee80211_del_iface,
42613db7 3222 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3223 .start_p2p_device = ieee80211_start_p2p_device,
3224 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3225 .add_key = ieee80211_add_key,
3226 .del_key = ieee80211_del_key,
62da92fb 3227 .get_key = ieee80211_get_key,
e8cbb4cb 3228 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3229 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3230 .start_ap = ieee80211_start_ap,
3231 .change_beacon = ieee80211_change_beacon,
3232 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3233 .add_station = ieee80211_add_station,
3234 .del_station = ieee80211_del_station,
3235 .change_station = ieee80211_change_station,
7bbdd2d9 3236 .get_station = ieee80211_get_station,
c5dd9c2b 3237 .dump_station = ieee80211_dump_station,
1289723e 3238 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3239#ifdef CONFIG_MAC80211_MESH
3240 .add_mpath = ieee80211_add_mpath,
3241 .del_mpath = ieee80211_del_mpath,
3242 .change_mpath = ieee80211_change_mpath,
3243 .get_mpath = ieee80211_get_mpath,
3244 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3245 .update_mesh_config = ieee80211_update_mesh_config,
3246 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3247 .join_mesh = ieee80211_join_mesh,
3248 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3249#endif
9f1ba906 3250 .change_bss = ieee80211_change_bss,
31888487 3251 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3252 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3253 .suspend = ieee80211_suspend,
3254 .resume = ieee80211_resume,
2a519311 3255 .scan = ieee80211_scan,
79f460ca
LC		 3256 .sched_scan_start = ieee80211_sched_scan_start,
3257 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3258 .auth = ieee80211_auth,
3259 .assoc = ieee80211_assoc,
3260 .deauth = ieee80211_deauth,
3261 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3262 .join_ibss = ieee80211_join_ibss,
3263 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3264 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3265 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3266 .set_tx_power = ieee80211_set_tx_power,
3267 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3268 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3269 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3270 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3271 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3272 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3273 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3274 .remain_on_channel = ieee80211_remain_on_channel,
3275 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3276 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3277 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3278 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3279 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3280 .set_antenna = ieee80211_set_antenna,
3281 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3282 .set_ringparam = ieee80211_set_ringparam,
3283 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3284 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3285 .tdls_oper = ieee80211_tdls_oper,
3286 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3287 .probe_client = ieee80211_probe_client,
b53be792 3288 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3289#ifdef CONFIG_PM
3290 .set_wakeup = ieee80211_set_wakeup,
3291#endif
b1ab7925
BG		 3292 .get_et_sset_count = ieee80211_get_et_sset_count,
3293 .get_et_stats = ieee80211_get_et_stats,
3294 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3295 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3296};
ubuntu-bionic-kernel mirror