]> 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
mac80211: move add_tim to subfunction
[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
1617bab8
MP		 1246 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) {
1247 u32 changed = 0;
1248
9c3990aa 1249 switch (params->plink_state) {
57cf8043 1250 case NL80211_PLINK_ESTAB:
1617bab8
MP		 1251 if (sta->plink_state != NL80211_PLINK_ESTAB)
1252 changed = mesh_plink_inc_estab_count(
1253 sdata);
1254 sta->plink_state = params->plink_state;
1255 break;
1256 case NL80211_PLINK_LISTEN:
57cf8043 1257 case NL80211_PLINK_BLOCKED:
1617bab8
MP		 1258 case NL80211_PLINK_OPN_SNT:
1259 case NL80211_PLINK_OPN_RCVD:
1260 case NL80211_PLINK_CNF_RCVD:
1261 case NL80211_PLINK_HOLDING:
1262 if (sta->plink_state == NL80211_PLINK_ESTAB)
1263 changed = mesh_plink_dec_estab_count(
1264 sdata);
9c3990aa
JC		 1265 sta->plink_state = params->plink_state;
1266 break;
1267 default:
1268 /* nothing */
1269 break;
1270 }
1617bab8
MP		 1271 ieee80211_bss_info_change_notify(sdata, changed);
1272 } else {
9c3990aa
JC		 1273 switch (params->plink_action) {
1274 case PLINK_ACTION_OPEN:
1275 mesh_plink_open(sta);
1276 break;
1277 case PLINK_ACTION_BLOCK:
1278 mesh_plink_block(sta);
1279 break;
1280 }
1617bab8 1281 }
4daf50f2 1282#endif
902acc78 1283 }
d9a7ddb0
JB		 1284
1285 return 0;
4fd6931e
JB		 1286}
1287
1288static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1289 u8 *mac, struct station_parameters *params)
1290{
14db74bc 1291 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1292 struct sta_info *sta;
1293 struct ieee80211_sub_if_data *sdata;
73651ee6 1294 int err;
b8d476c8 1295 int layer2_update;
4fd6931e 1296
4fd6931e
JB		 1297 if (params->vlan) {
1298 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1299
05c914fe
JB		 1300 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1301 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1302 return -EINVAL;
1303 } else
1304 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305
b203ca39 1306 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1307 return -EINVAL;
1308
1309 if (is_multicast_ether_addr(mac))
1310 return -EINVAL;
1311
1312 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1313 if (!sta)
1314 return -ENOMEM;
4fd6931e 1315
d582cffb
JB		 1316 /*
1317 * defaults -- if userspace wants something else we'll
1318 * change it accordingly in sta_apply_parameters()
1319 */
83d5cc01
JB		 1320 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1321 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1322
d9a7ddb0
JB		 1323 err = sta_apply_parameters(local, sta, params);
1324 if (err) {
1325 sta_info_free(local, sta);
1326 return err;
1327 }
4fd6931e 1328
d64cf63e
AN		 1329 /*
1330 * for TDLS, rate control should be initialized only when supported
1331 * rates are known.
1332 */
1333 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1334 rate_control_rate_init(sta);
4fd6931e 1335
b8d476c8
JM		 1336 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1337 sdata->vif.type == NL80211_IFTYPE_AP;
1338
34e89507 1339 err = sta_info_insert_rcu(sta);
73651ee6 1340 if (err) {
73651ee6
JB		 1341 rcu_read_unlock();
1342 return err;
1343 }
1344
b8d476c8 1345 if (layer2_update)
73651ee6
JB		 1346 ieee80211_send_layer2_update(sta);
1347
1348 rcu_read_unlock();
1349
4fd6931e
JB		 1350 return 0;
1351}
1352
1353static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1354 u8 *mac)
1355{
14db74bc 1356 struct ieee80211_sub_if_data *sdata;
4fd6931e 1357
14db74bc
JB		 1358 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1359
34e89507
JB		 1360 if (mac)
1361 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1362
b998e8bb 1363 sta_info_flush(sdata);
4fd6931e
JB		 1364 return 0;
1365}
1366
1367static int ieee80211_change_station(struct wiphy *wiphy,
1368 struct net_device *dev,
1369 u8 *mac,
1370 struct station_parameters *params)
1371{
abe60632 1372 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1373 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1374 struct sta_info *sta;
1375 struct ieee80211_sub_if_data *vlansdata;
35b88623 1376 int err;
4fd6931e 1377
87be1e1e 1378 mutex_lock(&local->sta_mtx);
98dd6a57 1379
0e5ded5a 1380 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1381 if (!sta) {
87be1e1e 1382 mutex_unlock(&local->sta_mtx);
4fd6931e 1383 return -ENOENT;
98dd6a57 1384 }
4fd6931e 1385
bdd90d5e
JB		 1386 /* in station mode, supported rates are only valid with TDLS */
1387 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1388 params->supported_rates &&
1389 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1390 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1391 return -EINVAL;
1392 }
1393
d0709a65 1394 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1395 bool prev_4addr = false;
1396 bool new_4addr = false;
1397
4fd6931e
JB		 1398 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1399
05c914fe
JB		 1400 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1401 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1402 mutex_unlock(&local->sta_mtx);
4fd6931e 1403 return -EINVAL;
98dd6a57 1404 }
4fd6931e 1405
9bc383de 1406 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1407 if (vlansdata->u.vlan.sta) {
87be1e1e 1408 mutex_unlock(&local->sta_mtx);
f14543ee 1409 return -EBUSY;
3305443c 1410 }
f14543ee 1411
cf778b00 1412 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1413 new_4addr = true;
1414 }
1415
1416 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1417 sta->sdata->u.vlan.sta) {
1418 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1419 prev_4addr = true;
f14543ee
FF		 1420 }
1421
14db74bc 1422 sta->sdata = vlansdata;
7e3ed02c
FF		 1423
1424 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1425 prev_4addr != new_4addr) {
1426 if (new_4addr)
1427 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1428 else
1429 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1430 }
1431
4fd6931e
JB		 1432 ieee80211_send_layer2_update(sta);
1433 }
1434
35b88623
EP		 1435 err = sta_apply_parameters(local, sta, params);
1436 if (err) {
1437 mutex_unlock(&local->sta_mtx);
1438 return err;
1439 }
4fd6931e 1440
d64cf63e
AN		 1441 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1442 rate_control_rate_init(sta);
1443
87be1e1e 1444 mutex_unlock(&local->sta_mtx);
98dd6a57 1445
808118cb 1446 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1447 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1448 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1449 ieee80211_recalc_ps_vif(sdata);
1450 }
4fd6931e
JB		 1451 return 0;
1452}
1453
c5dd9c2b
LCC		 1454#ifdef CONFIG_MAC80211_MESH
1455static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1456 u8 *dst, u8 *next_hop)
1457{
14db74bc 1458 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1459 struct mesh_path *mpath;
1460 struct sta_info *sta;
1461 int err;
1462
14db74bc
JB		 1463 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1464
d0709a65 1465 rcu_read_lock();
abe60632 1466 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1467 if (!sta) {
1468 rcu_read_unlock();
c5dd9c2b 1469 return -ENOENT;
d0709a65 1470 }
c5dd9c2b 1471
f698d856 1472 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1473 if (err) {
1474 rcu_read_unlock();
c5dd9c2b 1475 return err;
d0709a65 1476 }
c5dd9c2b 1477
f698d856 1478 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1479 if (!mpath) {
1480 rcu_read_unlock();
c5dd9c2b
LCC		 1481 return -ENXIO;
1482 }
1483 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1484
c5dd9c2b
LCC		 1485 rcu_read_unlock();
1486 return 0;
1487}
1488
1489static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1490 u8 *dst)
1491{
f698d856
JBG		 1492 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1493
c5dd9c2b 1494 if (dst)
f698d856 1495 return mesh_path_del(dst, sdata);
c5dd9c2b 1496
ece1a2e7 1497 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1498 return 0;
1499}
1500
1501static int ieee80211_change_mpath(struct wiphy *wiphy,
1502 struct net_device *dev,
1503 u8 *dst, u8 *next_hop)
1504{
14db74bc 1505 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1506 struct mesh_path *mpath;
1507 struct sta_info *sta;
1508
14db74bc
JB		 1509 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1510
d0709a65
JB		 1511 rcu_read_lock();
1512
abe60632 1513 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1514 if (!sta) {
1515 rcu_read_unlock();
c5dd9c2b 1516 return -ENOENT;
d0709a65 1517 }
c5dd9c2b 1518
f698d856 1519 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1520 if (!mpath) {
1521 rcu_read_unlock();
c5dd9c2b
LCC		 1522 return -ENOENT;
1523 }
1524
1525 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1526
c5dd9c2b
LCC		 1527 rcu_read_unlock();
1528 return 0;
1529}
1530
1531static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1532 struct mpath_info *pinfo)
1533{
a3836e02
JB		 1534 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1535
1536 if (next_hop_sta)
1537 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1538 else
1539 memset(next_hop, 0, ETH_ALEN);
1540
7ce8c7a3
LAYS		 1541 memset(pinfo, 0, sizeof(*pinfo));
1542
f5ea9120
JB		 1543 pinfo->generation = mesh_paths_generation;
1544
c5dd9c2b 1545 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1546 MPATH_INFO_SN |
c5dd9c2b
LCC		 1547 MPATH_INFO_METRIC |
1548 MPATH_INFO_EXPTIME |
1549 MPATH_INFO_DISCOVERY_TIMEOUT |
1550 MPATH_INFO_DISCOVERY_RETRIES |
1551 MPATH_INFO_FLAGS;
1552
1553 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1554 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1555 pinfo->metric = mpath->metric;
1556 if (time_before(jiffies, mpath->exp_time))
1557 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1558 pinfo->discovery_timeout =
1559 jiffies_to_msecs(mpath->discovery_timeout);
1560 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1561 if (mpath->flags & MESH_PATH_ACTIVE)
1562 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1563 if (mpath->flags & MESH_PATH_RESOLVING)
1564 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1565 if (mpath->flags & MESH_PATH_SN_VALID)
1566 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1567 if (mpath->flags & MESH_PATH_FIXED)
1568 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1569 if (mpath->flags & MESH_PATH_RESOLVED)
1570 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1571}
1572
1573static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1574 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1575
1576{
14db74bc 1577 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1578 struct mesh_path *mpath;
1579
14db74bc
JB		 1580 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1581
c5dd9c2b 1582 rcu_read_lock();
f698d856 1583 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1584 if (!mpath) {
1585 rcu_read_unlock();
1586 return -ENOENT;
1587 }
1588 memcpy(dst, mpath->dst, ETH_ALEN);
1589 mpath_set_pinfo(mpath, next_hop, pinfo);
1590 rcu_read_unlock();
1591 return 0;
1592}
1593
1594static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1595 int idx, u8 *dst, u8 *next_hop,
1596 struct mpath_info *pinfo)
1597{
14db74bc 1598 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1599 struct mesh_path *mpath;
1600
14db74bc
JB		 1601 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1602
c5dd9c2b 1603 rcu_read_lock();
f698d856 1604 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1605 if (!mpath) {
1606 rcu_read_unlock();
1607 return -ENOENT;
1608 }
1609 memcpy(dst, mpath->dst, ETH_ALEN);
1610 mpath_set_pinfo(mpath, next_hop, pinfo);
1611 rcu_read_unlock();
1612 return 0;
1613}
93da9cc1 1614
24bdd9f4 1615static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1616 struct net_device *dev,
1617 struct mesh_config *conf)
1618{
1619 struct ieee80211_sub_if_data *sdata;
1620 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1621
93da9cc1 1622 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1623 return 0;
1624}
1625
1626static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1627{
1628 return (mask >> (parm-1)) & 0x1;
1629}
1630
c80d545d
JC		 1631static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1632 const struct mesh_setup *setup)
1633{
1634 u8 *new_ie;
1635 const u8 *old_ie;
4bb62344
CYY		 1636 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1637 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1638
581a8b0f 1639 /* allocate information elements */
c80d545d 1640 new_ie = NULL;
581a8b0f 1641 old_ie = ifmsh->ie;
c80d545d 1642
581a8b0f
JC		 1643 if (setup->ie_len) {
1644 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1645 GFP_KERNEL);
1646 if (!new_ie)
1647 return -ENOMEM;
1648 }
581a8b0f
JC		 1649 ifmsh->ie_len = setup->ie_len;
1650 ifmsh->ie = new_ie;
1651 kfree(old_ie);
c80d545d
JC		 1652
1653 /* now copy the rest of the setup parameters */
1654 ifmsh->mesh_id_len = setup->mesh_id_len;
1655 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1656 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1657 ifmsh->mesh_pp_id = setup->path_sel_proto;
1658 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1659 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1660 if (setup->is_authenticated)
1661 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1662 if (setup->is_secure)
1663 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1664
4bb62344
CYY		 1665 /* mcast rate setting in Mesh Node */
1666 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1667 sizeof(setup->mcast_rate));
1668
c80d545d
JC		 1669 return 0;
1670}
1671
24bdd9f4 1672static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1673 struct net_device *dev, u32 mask,
1674 const struct mesh_config *nconf)
93da9cc1 1675{
1676 struct mesh_config *conf;
1677 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1678 struct ieee80211_if_mesh *ifmsh;
1679
93da9cc1 1680 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1681 ifmsh = &sdata->u.mesh;
93da9cc1 1682
93da9cc1 1683 /* Set the config options which we are interested in setting */
1684 conf = &(sdata->u.mesh.mshcfg);
1685 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1686 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1687 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1688 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1689 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1690 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1691 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1692 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1693 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1694 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1695 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1696 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1697 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1698 conf->element_ttl = nconf->element_ttl;
93da9cc1 1699 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1700 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1701 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1702 conf->dot11MeshNbrOffsetMaxNeighbor =
1703 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1704 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1705 conf->dot11MeshHWMPmaxPREQretries =
1706 nconf->dot11MeshHWMPmaxPREQretries;
1707 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1708 conf->path_refresh_time = nconf->path_refresh_time;
1709 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1710 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1711 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1712 conf->dot11MeshHWMPactivePathTimeout =
1713 nconf->dot11MeshHWMPactivePathTimeout;
1714 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1715 conf->dot11MeshHWMPpreqMinInterval =
1716 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1717 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1718 conf->dot11MeshHWMPperrMinInterval =
1719 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1720 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1721 mask))
1722 conf->dot11MeshHWMPnetDiameterTraversalTime =
1723 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1724 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1725 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1726 ieee80211_mesh_root_setup(ifmsh);
1727 }
16dd7267 1728 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1729 /* our current gate announcement implementation rides on root
1730 * announcements, so require this ifmsh to also be a root node
1731 * */
1732 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1733 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1734 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1735 ieee80211_mesh_root_setup(ifmsh);
1736 }
16dd7267
JC		 1737 conf->dot11MeshGateAnnouncementProtocol =
1738 nconf->dot11MeshGateAnnouncementProtocol;
1739 }
a4f606ea 1740 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1741 conf->dot11MeshHWMPRannInterval =
1742 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1743 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1744 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1745 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1746 /* our RSSI threshold implementation is supported only for
1747 * devices that report signal in dBm.
1748 */
1749 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1750 return -ENOTSUPP;
1751 conf->rssi_threshold = nconf->rssi_threshold;
1752 }
70c33eaa
AN		 1753 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1754 conf->ht_opmode = nconf->ht_opmode;
1755 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1756 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1757 }
ac1073a6
CYY		 1758 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1759 conf->dot11MeshHWMPactivePathToRootTimeout =
1760 nconf->dot11MeshHWMPactivePathToRootTimeout;
1761 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1762 conf->dot11MeshHWMProotInterval =
1763 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1764 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1765 conf->dot11MeshHWMPconfirmationInterval =
1766 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1767 return 0;
1768}
1769
29cbe68c
JB		 1770static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1771 const struct mesh_config *conf,
1772 const struct mesh_setup *setup)
1773{
1774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1775 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1776 int err;
29cbe68c 1777
c80d545d
JC		 1778 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1779 err = copy_mesh_setup(ifmsh, setup);
1780 if (err)
1781 return err;
cc1d2806 1782
04ecd257
JB		 1783 /* can mesh use other SMPS modes? */
1784 sdata->smps_mode = IEEE80211_SMPS_OFF;
1785 sdata->needed_rx_chains = sdata->local->rx_chains;
1786
4bf88530 1787 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1788 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1789 if (err)
1790 return err;
1791
29cbe68c
JB		 1792 ieee80211_start_mesh(sdata);
1793
1794 return 0;
1795}
1796
1797static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1798{
1799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1800
1801 ieee80211_stop_mesh(sdata);
55de908a 1802 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1803
1804 return 0;
1805}
c5dd9c2b
LCC		 1806#endif
1807
9f1ba906
JM		 1808static int ieee80211_change_bss(struct wiphy *wiphy,
1809 struct net_device *dev,
1810 struct bss_parameters *params)
1811{
55de908a
JB		 1812 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1813 enum ieee80211_band band;
9f1ba906
JM		 1814 u32 changed = 0;
1815
55de908a
JB		 1816 if (!rtnl_dereference(sdata->u.ap.beacon))
1817 return -ENOENT;
1818
1819 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1820
9f1ba906 1821 if (params->use_cts_prot >= 0) {
bda3933a 1822 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1823 changed |= BSS_CHANGED_ERP_CTS_PROT;
1824 }
1825 if (params->use_short_preamble >= 0) {
bda3933a 1826 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1827 params->use_short_preamble;
1828 changed |= BSS_CHANGED_ERP_PREAMBLE;
1829 }
43d35343
FF		 1830
1831 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1832 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1833 sdata->vif.bss_conf.use_short_slot = true;
1834 changed |= BSS_CHANGED_ERP_SLOT;
1835 }
1836
9f1ba906 1837 if (params->use_short_slot_time >= 0) {
bda3933a 1838 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1839 params->use_short_slot_time;
1840 changed |= BSS_CHANGED_ERP_SLOT;
1841 }
1842
90c97a04
JM		 1843 if (params->basic_rates) {
1844 int i, j;
1845 u32 rates = 0;
55de908a 1846 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1847
1848 for (i = 0; i < params->basic_rates_len; i++) {
1849 int rate = (params->basic_rates[i] & 0x7f) * 5;
1850 for (j = 0; j < sband->n_bitrates; j++) {
1851 if (sband->bitrates[j].bitrate == rate)
1852 rates |= BIT(j);
1853 }
1854 }
1855 sdata->vif.bss_conf.basic_rates = rates;
1856 changed |= BSS_CHANGED_BASIC_RATES;
1857 }
1858
7b7b5e56
FF		 1859 if (params->ap_isolate >= 0) {
1860 if (params->ap_isolate)
1861 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1862 else
1863 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1864 }
1865
80d7e403
HS		 1866 if (params->ht_opmode >= 0) {
1867 sdata->vif.bss_conf.ht_operation_mode =
1868 (u16) params->ht_opmode;
1869 changed |= BSS_CHANGED_HT;
1870 }
1871
339afbf4
JB		 1872 if (params->p2p_ctwindow >= 0) {
1873 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1874 changed |= BSS_CHANGED_P2P_PS;
1875 }
1876
1877 if (params->p2p_opp_ps >= 0) {
1878 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1879 changed |= BSS_CHANGED_P2P_PS;
1880 }
1881
9f1ba906
JM		 1882 ieee80211_bss_info_change_notify(sdata, changed);
1883
1884 return 0;
1885}
1886
31888487 1887static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1888 struct net_device *dev,
31888487
JM		 1889 struct ieee80211_txq_params *params)
1890{
1891 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1892 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1893 struct ieee80211_tx_queue_params p;
1894
1895 if (!local->ops->conf_tx)
1896 return -EOPNOTSUPP;
1897
54bcbc69
JB		 1898 if (local->hw.queues < IEEE80211_NUM_ACS)
1899 return -EOPNOTSUPP;
1900
31888487
JM		 1901 memset(&p, 0, sizeof(p));
1902 p.aifs = params->aifs;
1903 p.cw_max = params->cwmax;
1904 p.cw_min = params->cwmin;
1905 p.txop = params->txop;
ab13315a
KV		 1906
1907 /*
1908 * Setting tx queue params disables u-apsd because it's only
1909 * called in master mode.
1910 */
1911 p.uapsd = false;
1912
a3304b0a
JB		 1913 sdata->tx_conf[params->ac] = p;
1914 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1915 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1916 "failed to set TX queue parameters for AC %d\n",
1917 params->ac);
31888487
JM		 1918 return -EINVAL;
1919 }
1920
7d25745d
JB		 1921 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1922
31888487
JM		 1923 return 0;
1924}
1925
665af4fc 1926#ifdef CONFIG_PM
ff1b6e69
JB		 1927static int ieee80211_suspend(struct wiphy *wiphy,
1928 struct cfg80211_wowlan *wowlan)
665af4fc 1929{
eecc4800 1930 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1931}
1932
1933static int ieee80211_resume(struct wiphy *wiphy)
1934{
1935 return __ieee80211_resume(wiphy_priv(wiphy));
1936}
1937#else
1938#define ieee80211_suspend NULL
1939#define ieee80211_resume NULL
1940#endif
1941
2a519311 1942static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1943 struct cfg80211_scan_request *req)
1944{
fd014284
JB		 1945 struct ieee80211_sub_if_data *sdata;
1946
1947 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1948
2ca27bcf
JB		 1949 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1950 case NL80211_IFTYPE_STATION:
1951 case NL80211_IFTYPE_ADHOC:
1952 case NL80211_IFTYPE_MESH_POINT:
1953 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1954 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1955 break;
1956 case NL80211_IFTYPE_P2P_GO:
1957 if (sdata->local->ops->hw_scan)
1958 break;
e9d7732e
JB		 1959 /*
1960 * FIXME: implement NoA while scanning in software,
1961 * for now fall through to allow scanning only when
1962 * beaconing hasn't been configured yet
1963 */
2ca27bcf 1964 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1965 /*
1966 * If the scan has been forced (and the driver supports
1967 * forcing), don't care about being beaconing already.
1968 * This will create problems to the attached stations (e.g. all
1969 * the frames sent while scanning on other channel will be
1970 * lost)
1971 */
1972 if (sdata->u.ap.beacon &&
1973 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1974 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1975 return -EOPNOTSUPP;
1976 break;
1977 default:
1978 return -EOPNOTSUPP;
1979 }
2a519311
JB		 1980
1981 return ieee80211_request_scan(sdata, req);
1982}
1983
79f460ca
LC		 1984static int
1985ieee80211_sched_scan_start(struct wiphy *wiphy,
1986 struct net_device *dev,
1987 struct cfg80211_sched_scan_request *req)
1988{
1989 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1990
1991 if (!sdata->local->ops->sched_scan_start)
1992 return -EOPNOTSUPP;
1993
1994 return ieee80211_request_sched_scan_start(sdata, req);
1995}
1996
1997static int
85a9994a 1998ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1999{
2000 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2001
2002 if (!sdata->local->ops->sched_scan_stop)
2003 return -EOPNOTSUPP;
2004
85a9994a 2005 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 2006}
2007
636a5d36
JM		 2008static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2009 struct cfg80211_auth_request *req)
2010{
77fdaa12 2011 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2012}
2013
2014static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2015 struct cfg80211_assoc_request *req)
2016{
77fdaa12 2017 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2018}
2019
2020static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2021 struct cfg80211_deauth_request *req)
636a5d36 2022{
63c9c5e7 2023 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2024}
2025
2026static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 2027 struct cfg80211_disassoc_request *req)
636a5d36 2028{
63c9c5e7 2029 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 2030}
2031
af8cdcd8
JB		 2032static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2033 struct cfg80211_ibss_params *params)
2034{
55de908a 2035 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 2036}
2037
2038static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2039{
55de908a 2040 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 2041}
2042
391e53e3
AQ		 2043static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2044 int rate[IEEE80211_NUM_BANDS])
2045{
2046 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2047
2048 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
2049
2050 return 0;
2051}
2052
b9a5f8ca
JM		 2053static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2054{
2055 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2056 int err;
b9a5f8ca 2057
f23a4780
AN		 2058 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2059 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2060
2061 if (err)
2062 return err;
2063 }
2064
310bc676
LT		 2065 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2066 err = drv_set_coverage_class(local, wiphy->coverage_class);
2067
2068 if (err)
2069 return err;
2070 }
2071
b9a5f8ca 2072 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2073 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2074
24487981
JB		 2075 if (err)
2076 return err;
b9a5f8ca
JM		 2077 }
2078
8bc83c24
JB		 2079 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2080 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2081 return -EINVAL;
b9a5f8ca 2082 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2083 }
2084 if (changed & WIPHY_PARAM_RETRY_LONG) {
2085 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2086 return -EINVAL;
b9a5f8ca 2087 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2088 }
b9a5f8ca
JM		 2089 if (changed &
2090 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2091 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2092
2093 return 0;
2094}
2095
7643a2c3 2096static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2097 struct wireless_dev *wdev,
fa61cf70 2098 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2099{
2100 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2101 struct ieee80211_sub_if_data *sdata;
7643a2c3 2102
1ea6f9c0
JB		 2103 if (wdev) {
2104 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2105
2106 switch (type) {
2107 case NL80211_TX_POWER_AUTOMATIC:
2108 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2109 break;
2110 case NL80211_TX_POWER_LIMITED:
2111 case NL80211_TX_POWER_FIXED:
2112 if (mbm < 0 || (mbm % 100))
2113 return -EOPNOTSUPP;
2114 sdata->user_power_level = MBM_TO_DBM(mbm);
2115 break;
2116 }
2117
2118 ieee80211_recalc_txpower(sdata);
2119
2120 return 0;
2121 }
55de908a 2122
7643a2c3 2123 switch (type) {
fa61cf70 2124 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2125 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2126 break;
fa61cf70 2127 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2128 case NL80211_TX_POWER_FIXED:
2129 if (mbm < 0 || (mbm % 100))
2130 return -EOPNOTSUPP;
fa61cf70 2131 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2132 break;
7643a2c3
JB		 2133 }
2134
1ea6f9c0
JB		 2135 mutex_lock(&local->iflist_mtx);
2136 list_for_each_entry(sdata, &local->interfaces, list)
2137 sdata->user_power_level = local->user_power_level;
2138 list_for_each_entry(sdata, &local->interfaces, list)
2139 ieee80211_recalc_txpower(sdata);
2140 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2141
2142 return 0;
2143}
2144
c8442118
JB		 2145static int ieee80211_get_tx_power(struct wiphy *wiphy,
2146 struct wireless_dev *wdev,
2147 int *dbm)
7643a2c3
JB		 2148{
2149 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2150 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2151
1ea6f9c0
JB		 2152 if (!local->use_chanctx)
2153 *dbm = local->hw.conf.power_level;
2154 else
2155 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2156
7643a2c3
JB		 2157 return 0;
2158}
2159
ab737a4f 2160static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2161 const u8 *addr)
ab737a4f
JB		 2162{
2163 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2164
2165 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2166
2167 return 0;
2168}
2169
1f87f7d3
JB		 2170static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2171{
2172 struct ieee80211_local *local = wiphy_priv(wiphy);
2173
2174 drv_rfkill_poll(local);
2175}
2176
aff89a9b 2177#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2178static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2179{
2180 struct ieee80211_local *local = wiphy_priv(wiphy);
2181
2182 if (!local->ops->testmode_cmd)
2183 return -EOPNOTSUPP;
2184
2185 return local->ops->testmode_cmd(&local->hw, data, len);
2186}
71063f0e
WYG		 2187
2188static int ieee80211_testmode_dump(struct wiphy *wiphy,
2189 struct sk_buff *skb,
2190 struct netlink_callback *cb,
2191 void *data, int len)
2192{
2193 struct ieee80211_local *local = wiphy_priv(wiphy);
2194
2195 if (!local->ops->testmode_dump)
2196 return -EOPNOTSUPP;
2197
2198 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2199}
aff89a9b
JB		 2200#endif
2201
0f78231b
JB		 2202int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2203 enum ieee80211_smps_mode smps_mode)
2204{
2205 const u8 *ap;
2206 enum ieee80211_smps_mode old_req;
2207 int err;
2208
243e6df4
JB		 2209 lockdep_assert_held(&sdata->u.mgd.mtx);
2210
0f78231b
JB		 2211 old_req = sdata->u.mgd.req_smps;
2212 sdata->u.mgd.req_smps = smps_mode;
2213
2214 if (old_req == smps_mode &&
2215 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2216 return 0;
2217
2218 /*
2219 * If not associated, or current association is not an HT
04ecd257
JB		 2220 * association, there's no need to do anything, just store
2221 * the new value until we associate.
0f78231b
JB		 2222 */
2223 if (!sdata->u.mgd.associated ||
4bf88530 2224 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2225 return 0;
0f78231b 2226
0c1ad2ca 2227 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2228
2229 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2230 if (sdata->u.mgd.powersave)
2231 smps_mode = IEEE80211_SMPS_DYNAMIC;
2232 else
2233 smps_mode = IEEE80211_SMPS_OFF;
2234 }
2235
2236 /* send SM PS frame to AP */
2237 err = ieee80211_send_smps_action(sdata, smps_mode,
2238 ap, ap);
2239 if (err)
2240 sdata->u.mgd.req_smps = old_req;
2241
2242 return err;
2243}
2244
bc92afd9
JB		 2245static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2246 bool enabled, int timeout)
2247{
2248 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2249 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2250
ee1f6681
CYY		 2251 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2252 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
e5de30c9
BP		 2253 return -EOPNOTSUPP;
2254
bc92afd9
JB		 2255 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2256 return -EOPNOTSUPP;
2257
2258 if (enabled == sdata->u.mgd.powersave &&
ff616381 2259 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2260 return 0;
2261
2262 sdata->u.mgd.powersave = enabled;
ff616381 2263 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2264
0f78231b
JB		 2265 /* no change, but if automatic follow powersave */
2266 mutex_lock(&sdata->u.mgd.mtx);
2267 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2268 mutex_unlock(&sdata->u.mgd.mtx);
2269
bc92afd9
JB		 2270 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2271 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2272
2273 ieee80211_recalc_ps(local, -1);
ab095877 2274 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2275
2276 return 0;
2277}
2278
a97c13c3
JO		 2279static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2280 struct net_device *dev,
2281 s32 rssi_thold, u32 rssi_hyst)
2282{
2283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2284 struct ieee80211_vif *vif = &sdata->vif;
2285 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2286
a97c13c3
JO		 2287 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2288 rssi_hyst == bss_conf->cqm_rssi_hyst)
2289 return 0;
2290
2291 bss_conf->cqm_rssi_thold = rssi_thold;
2292 bss_conf->cqm_rssi_hyst = rssi_hyst;
2293
2294 /* tell the driver upon association, unless already associated */
ea086359
JB		 2295 if (sdata->u.mgd.associated &&
2296 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2297 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2298
2299 return 0;
2300}
2301
9930380f
JB		 2302static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2303 struct net_device *dev,
2304 const u8 *addr,
2305 const struct cfg80211_bitrate_mask *mask)
2306{
2307 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2308 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2309 int i, ret;
2c7e6bc9 2310
554a43d5
EP		 2311 if (!ieee80211_sdata_running(sdata))
2312 return -ENETDOWN;
2313
bdbfd6b5
SM		 2314 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2315 ret = drv_set_bitrate_mask(local, sdata, mask);
2316 if (ret)
2317 return ret;
2318 }
9930380f 2319
19468413 2320 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2321 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2322 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2323 sizeof(mask->control[i].mcs));
2324 }
9930380f 2325
37eb0b16 2326 return 0;
9930380f
JB		 2327}
2328
2eb278e0
JB		 2329static int ieee80211_start_roc_work(struct ieee80211_local *local,
2330 struct ieee80211_sub_if_data *sdata,
2331 struct ieee80211_channel *channel,
2eb278e0
JB		 2332 unsigned int duration, u64 *cookie,
2333 struct sk_buff *txskb)
2334{
2335 struct ieee80211_roc_work *roc, *tmp;
2336 bool queued = false;
21f83589 2337 int ret;
21f83589
JB		 2338
2339 lockdep_assert_held(&local->mtx);
2340
fe57d9f5
JB		 2341 if (local->use_chanctx && !local->ops->remain_on_channel)
2342 return -EOPNOTSUPP;
2343
2eb278e0
JB		 2344 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2345 if (!roc)
2346 return -ENOMEM;
2347
2348 roc->chan = channel;
2eb278e0
JB		 2349 roc->duration = duration;
2350 roc->req_duration = duration;
2351 roc->frame = txskb;
2352 roc->mgmt_tx_cookie = (unsigned long)txskb;
2353 roc->sdata = sdata;
2354 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2355 INIT_LIST_HEAD(&roc->dependents);
2356
2357 /* if there's one pending or we're scanning, queue this one */
2358 if (!list_empty(&local->roc_list) || local->scanning)
2359 goto out_check_combine;
2360
2361 /* if not HW assist, just queue & schedule work */
2362 if (!local->ops->remain_on_channel) {
2363 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2364 goto out_queue;
2365 }
2366
2367 /* otherwise actually kick it off here (for error handling) */
2368
2369 /*
2370 * If the duration is zero, then the driver
2371 * wouldn't actually do anything. Set it to
2372 * 10 for now.
2373 *
2374 * TODO: cancel the off-channel operation
2375 * when we get the SKB's TX status and
2376 * the wait time was zero before.
2377 */
2378 if (!duration)
2379 duration = 10;
2380
42d97a59 2381 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2382 if (ret) {
2eb278e0
JB		 2383 kfree(roc);
2384 return ret;
21f83589
JB		 2385 }
2386
2eb278e0
JB		 2387 roc->started = true;
2388 goto out_queue;
2389
2390 out_check_combine:
2391 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2392 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2393 continue;
2394
2395 /*
2396 * Extend this ROC if possible:
2397 *
2398 * If it hasn't started yet, just increase the duration
2399 * and add the new one to the list of dependents.
2400 */
2401 if (!tmp->started) {
2402 list_add_tail(&roc->list, &tmp->dependents);
2403 tmp->duration = max(tmp->duration, roc->duration);
2404 queued = true;
2405 break;
2406 }
2407
2408 /* If it has already started, it's more difficult ... */
2409 if (local->ops->remain_on_channel) {
2410 unsigned long j = jiffies;
2411
2412 /*
2413 * In the offloaded ROC case, if it hasn't begun, add
2414 * this new one to the dependent list to be handled
2415 * when the the master one begins. If it has begun,
2416 * check that there's still a minimum time left and
2417 * if so, start this one, transmitting the frame, but
2418 * add it to the list directly after this one with a
2419 * a reduced time so we'll ask the driver to execute
2420 * it right after finishing the previous one, in the
2421 * hope that it'll also be executed right afterwards,
2422 * effectively extending the old one.
2423 * If there's no minimum time left, just add it to the
2424 * normal list.
2425 */
2426 if (!tmp->hw_begun) {
2427 list_add_tail(&roc->list, &tmp->dependents);
2428 queued = true;
2429 break;
2430 }
2431
2432 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2433 tmp->hw_start_time +
2434 msecs_to_jiffies(tmp->duration))) {
2435 int new_dur;
2436
2437 ieee80211_handle_roc_started(roc);
2438
2439 new_dur = roc->duration -
2440 jiffies_to_msecs(tmp->hw_start_time +
2441 msecs_to_jiffies(
2442 tmp->duration) -
2443 j);
2444
2445 if (new_dur > 0) {
2446 /* add right after tmp */
2447 list_add(&roc->list, &tmp->list);
2448 } else {
2449 list_add_tail(&roc->list,
2450 &tmp->dependents);
2451 }
2452 queued = true;
2453 }
2454 } else if (del_timer_sync(&tmp->work.timer)) {
2455 unsigned long new_end;
2456
2457 /*
2458 * In the software ROC case, cancel the timer, if
2459 * that fails then the finish work is already
2460 * queued/pending and thus we queue the new ROC
2461 * normally, if that succeeds then we can extend
2462 * the timer duration and TX the frame (if any.)
2463 */
2464
2465 list_add_tail(&roc->list, &tmp->dependents);
2466 queued = true;
2467
2468 new_end = jiffies + msecs_to_jiffies(roc->duration);
2469
2470 /* ok, it was started & we canceled timer */
2471 if (time_after(new_end, tmp->work.timer.expires))
2472 mod_timer(&tmp->work.timer, new_end);
2473 else
2474 add_timer(&tmp->work.timer);
2475
2476 ieee80211_handle_roc_started(roc);
2477 }
2478 break;
2479 }
2480
2481 out_queue:
2482 if (!queued)
2483 list_add_tail(&roc->list, &local->roc_list);
2484
2485 /*
50febf6a 2486 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2487 * or the SKB (for mgmt TX)
2488 */
50febf6a
JB		 2489 if (!txskb) {
2490 /* local->mtx protects this */
2491 local->roc_cookie_counter++;
2492 roc->cookie = local->roc_cookie_counter;
2493 /* wow, you wrapped 64 bits ... more likely a bug */
2494 if (WARN_ON(roc->cookie == 0)) {
2495 roc->cookie = 1;
2496 local->roc_cookie_counter++;
2497 }
2498 *cookie = roc->cookie;
2499 } else {
2eb278e0 2500 *cookie = (unsigned long)txskb;
50febf6a 2501 }
2eb278e0
JB		 2502
2503 return 0;
21f83589
JB		 2504}
2505
b8bc4b0a 2506static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2507 struct wireless_dev *wdev,
b8bc4b0a 2508 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2509 unsigned int duration,
2510 u64 *cookie)
2511{
71bbc994 2512 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2513 struct ieee80211_local *local = sdata->local;
2eb278e0 2514 int ret;
21f83589 2515
2eb278e0 2516 mutex_lock(&local->mtx);
42d97a59 2517 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2518 duration, cookie, NULL);
2519 mutex_unlock(&local->mtx);
b8bc4b0a 2520
2eb278e0 2521 return ret;
b8bc4b0a
JB		 2522}
2523
2eb278e0
JB		 2524static int ieee80211_cancel_roc(struct ieee80211_local *local,
2525 u64 cookie, bool mgmt_tx)
21f83589 2526{
2eb278e0 2527 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2528 int ret;
2529
2eb278e0
JB		 2530 mutex_lock(&local->mtx);
2531 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2532 struct ieee80211_roc_work *dep, *tmp2;
2533
2534 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2535 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2536 continue;
2537 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2538 continue;
2539 /* found dependent item -- just remove it */
2540 list_del(&dep->list);
2541 mutex_unlock(&local->mtx);
2542
2543 ieee80211_roc_notify_destroy(dep);
2544 return 0;
2545 }
2546
50febf6a 2547 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2548 continue;
2549 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2550 continue;
21f83589 2551
2eb278e0
JB		 2552 found = roc;
2553 break;
2554 }
21f83589 2555
2eb278e0
JB		 2556 if (!found) {
2557 mutex_unlock(&local->mtx);
2558 return -ENOENT;
2559 }
21f83589 2560
e979e33c
JB		 2561 /*
2562 * We found the item to cancel, so do that. Note that it
2563 * may have dependents, which we also cancel (and send
2564 * the expired signal for.) Not doing so would be quite
2565 * tricky here, but we may need to fix it later.
2566 */
2567
2eb278e0
JB		 2568 if (local->ops->remain_on_channel) {
2569 if (found->started) {
2570 ret = drv_cancel_remain_on_channel(local);
2571 if (WARN_ON_ONCE(ret)) {
2572 mutex_unlock(&local->mtx);
2573 return ret;
2574 }
2575 }
21f83589 2576
2eb278e0 2577 list_del(&found->list);
21f83589 2578
0f6b3f59
JB		 2579 if (found->started)
2580 ieee80211_start_next_roc(local);
2eb278e0 2581 mutex_unlock(&local->mtx);
21f83589 2582
2eb278e0
JB		 2583 ieee80211_roc_notify_destroy(found);
2584 } else {
2585 /* work may be pending so use it all the time */
2586 found->abort = true;
2587 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2588
21f83589
JB		 2589 mutex_unlock(&local->mtx);
2590
2eb278e0
JB		 2591 /* work will clean up etc */
2592 flush_delayed_work(&found->work);
21f83589 2593 }
b8bc4b0a 2594
2eb278e0 2595 return 0;
b8bc4b0a
JB		 2596}
2597
2eb278e0 2598static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2599 struct wireless_dev *wdev,
2eb278e0 2600 u64 cookie)
f30221e4 2601{
71bbc994 2602 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2603 struct ieee80211_local *local = sdata->local;
f30221e4 2604
2eb278e0 2605 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2606}
2607
71bbc994 2608static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2609 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2610 unsigned int wait, const u8 *buf, size_t len,
2611 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2612{
71bbc994 2613 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2614 struct ieee80211_local *local = sdata->local;
2615 struct sk_buff *skb;
2616 struct sta_info *sta;
2617 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2618 bool need_offchan = false;
e247bd90 2619 u32 flags;
2eb278e0 2620 int ret;
f7ca38df 2621
e247bd90
JB		 2622 if (dont_wait_for_ack)
2623 flags = IEEE80211_TX_CTL_NO_ACK;
2624 else
2625 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2626 IEEE80211_TX_CTL_REQ_TX_STATUS;
2627
aad14ceb
RM		 2628 if (no_cck)
2629 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2630
9d38d85d
JB		 2631 switch (sdata->vif.type) {
2632 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2633 if (!sdata->vif.bss_conf.ibss_joined)
2634 need_offchan = true;
2635 /* fall through */
2636#ifdef CONFIG_MAC80211_MESH
2637 case NL80211_IFTYPE_MESH_POINT:
2638 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2639 !sdata->u.mesh.mesh_id_len)
2640 need_offchan = true;
2641 /* fall through */
2642#endif
663fcafd
JB		 2643 case NL80211_IFTYPE_AP:
2644 case NL80211_IFTYPE_AP_VLAN:
2645 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2646 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2647 !ieee80211_vif_is_mesh(&sdata->vif) &&
2648 !rcu_access_pointer(sdata->bss->beacon))
2649 need_offchan = true;
663fcafd
JB		 2650 if (!ieee80211_is_action(mgmt->frame_control) ||
2651 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2652 break;
2653 rcu_read_lock();
2654 sta = sta_info_get(sdata, mgmt->da);
2655 rcu_read_unlock();
2656 if (!sta)
2657 return -ENOLINK;
2658 break;
2659 case NL80211_IFTYPE_STATION:
663fcafd 2660 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2661 if (!sdata->u.mgd.associated)
2662 need_offchan = true;
9d38d85d 2663 break;
f142c6b9
JB		 2664 case NL80211_IFTYPE_P2P_DEVICE:
2665 need_offchan = true;
2666 break;
9d38d85d
JB		 2667 default:
2668 return -EOPNOTSUPP;
2669 }
2670
2eb278e0
JB		 2671 mutex_lock(&local->mtx);
2672
2673 /* Check if the operating channel is the requested channel */
2674 if (!need_offchan) {
55de908a
JB		 2675 struct ieee80211_chanctx_conf *chanctx_conf;
2676
2677 rcu_read_lock();
2678 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2679
42d97a59 2680 if (chanctx_conf)
4bf88530 2681 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2682 else
2eb278e0 2683 need_offchan = true;
55de908a 2684 rcu_read_unlock();
2eb278e0
JB		 2685 }
2686
2687 if (need_offchan && !offchan) {
2688 ret = -EBUSY;
2689 goto out_unlock;
2690 }
2691
9d38d85d 2692 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2693 if (!skb) {
2694 ret = -ENOMEM;
2695 goto out_unlock;
2696 }
9d38d85d
JB		 2697 skb_reserve(skb, local->hw.extra_tx_headroom);
2698
2699 memcpy(skb_put(skb, len), buf, len);
2700
2701 IEEE80211_SKB_CB(skb)->flags = flags;
2702
2703 skb->dev = sdata->dev;
9d38d85d 2704
2eb278e0 2705 if (!need_offchan) {
7f9f78ab 2706 *cookie = (unsigned long) skb;
f30221e4 2707 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2708 ret = 0;
2709 goto out_unlock;
f30221e4
JB		 2710 }
2711
2eb278e0
JB		 2712 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2713 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2714 IEEE80211_SKB_CB(skb)->hw_queue =
2715 local->hw.offchannel_tx_hw_queue;
f30221e4 2716
2eb278e0 2717 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2718 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2719 wait, cookie, skb);
2720 if (ret)
2721 kfree_skb(skb);
2722 out_unlock:
2723 mutex_unlock(&local->mtx);
2724 return ret;
026331c4
JM		 2725}
2726
f30221e4 2727static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2728 struct wireless_dev *wdev,
f30221e4
JB		 2729 u64 cookie)
2730{
71bbc994 2731 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2732
2eb278e0 2733 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2734}
2735
7be5086d 2736static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2737 struct wireless_dev *wdev,
7be5086d
JB		 2738 u16 frame_type, bool reg)
2739{
2740 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2741 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2742
6abe0563
WH		 2743 switch (frame_type) {
2744 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2745 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2746 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2747
6abe0563
WH		 2748 if (reg)
2749 ifibss->auth_frame_registrations++;
2750 else
2751 ifibss->auth_frame_registrations--;
2752 }
2753 break;
2754 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2755 if (reg)
2756 local->probe_req_reg++;
2757 else
2758 local->probe_req_reg--;
7be5086d 2759
35f5149e
FF		 2760 if (!local->open_count)
2761 break;
2762
6abe0563
WH		 2763 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2764 break;
2765 default:
2766 break;
2767 }
7be5086d
JB		 2768}
2769
15d96753
BR		 2770static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2771{
2772 struct ieee80211_local *local = wiphy_priv(wiphy);
2773
2774 if (local->started)
2775 return -EOPNOTSUPP;
2776
2777 return drv_set_antenna(local, tx_ant, rx_ant);
2778}
2779
2780static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2781{
2782 struct ieee80211_local *local = wiphy_priv(wiphy);
2783
2784 return drv_get_antenna(local, tx_ant, rx_ant);
2785}
2786
38c09159
JL		 2787static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2788{
2789 struct ieee80211_local *local = wiphy_priv(wiphy);
2790
2791 return drv_set_ringparam(local, tx, rx);
2792}
2793
2794static void ieee80211_get_ringparam(struct wiphy *wiphy,
2795 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2796{
2797 struct ieee80211_local *local = wiphy_priv(wiphy);
2798
2799 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2800}
2801
c68f4b89
JB		 2802static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2803 struct net_device *dev,
2804 struct cfg80211_gtk_rekey_data *data)
2805{
2806 struct ieee80211_local *local = wiphy_priv(wiphy);
2807 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2808
2809 if (!local->ops->set_rekey_data)
2810 return -EOPNOTSUPP;
2811
2812 drv_set_rekey_data(local, sdata, data);
2813
2814 return 0;
2815}
2816
dfe018bf
AN		 2817static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2818{
2819 u8 *pos = (void *)skb_put(skb, 7);
2820
2821 *pos++ = WLAN_EID_EXT_CAPABILITY;
2822 *pos++ = 5; /* len */
2823 *pos++ = 0x0;
2824 *pos++ = 0x0;
2825 *pos++ = 0x0;
2826 *pos++ = 0x0;
2827 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2828}
2829
2830static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2831{
2832 struct ieee80211_local *local = sdata->local;
2833 u16 capab;
2834
2835 capab = 0;
55de908a 2836 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2837 return capab;
2838
2839 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2840 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2841 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2842 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2843
2844 return capab;
2845}
2846
2847static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2848 u8 *peer, u8 *bssid)
2849{
2850 struct ieee80211_tdls_lnkie *lnkid;
2851
2852 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2853
2854 lnkid->ie_type = WLAN_EID_LINK_ID;
2855 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2856
2857 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2858 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2859 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2860}
2861
2862static int
2863ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2864 u8 *peer, u8 action_code, u8 dialog_token,
2865 u16 status_code, struct sk_buff *skb)
2866{
2867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2868 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2869 struct ieee80211_tdls_data *tf;
2870
2871 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2872
2873 memcpy(tf->da, peer, ETH_ALEN);
2874 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2875 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2876 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2877
2878 switch (action_code) {
2879 case WLAN_TDLS_SETUP_REQUEST:
2880 tf->category = WLAN_CATEGORY_TDLS;
2881 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2882
2883 skb_put(skb, sizeof(tf->u.setup_req));
2884 tf->u.setup_req.dialog_token = dialog_token;
2885 tf->u.setup_req.capability =
2886 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2887
55de908a
JB		 2888 ieee80211_add_srates_ie(sdata, skb, false, band);
2889 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2890 ieee80211_tdls_add_ext_capab(skb);
2891 break;
2892 case WLAN_TDLS_SETUP_RESPONSE:
2893 tf->category = WLAN_CATEGORY_TDLS;
2894 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2895
2896 skb_put(skb, sizeof(tf->u.setup_resp));
2897 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2898 tf->u.setup_resp.dialog_token = dialog_token;
2899 tf->u.setup_resp.capability =
2900 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2901
55de908a
JB		 2902 ieee80211_add_srates_ie(sdata, skb, false, band);
2903 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2904 ieee80211_tdls_add_ext_capab(skb);
2905 break;
2906 case WLAN_TDLS_SETUP_CONFIRM:
2907 tf->category = WLAN_CATEGORY_TDLS;
2908 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2909
2910 skb_put(skb, sizeof(tf->u.setup_cfm));
2911 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2912 tf->u.setup_cfm.dialog_token = dialog_token;
2913 break;
2914 case WLAN_TDLS_TEARDOWN:
2915 tf->category = WLAN_CATEGORY_TDLS;
2916 tf->action_code = WLAN_TDLS_TEARDOWN;
2917
2918 skb_put(skb, sizeof(tf->u.teardown));
2919 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2920 break;
2921 case WLAN_TDLS_DISCOVERY_REQUEST:
2922 tf->category = WLAN_CATEGORY_TDLS;
2923 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2924
2925 skb_put(skb, sizeof(tf->u.discover_req));
2926 tf->u.discover_req.dialog_token = dialog_token;
2927 break;
2928 default:
2929 return -EINVAL;
2930 }
2931
2932 return 0;
2933}
2934
2935static int
2936ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2937 u8 *peer, u8 action_code, u8 dialog_token,
2938 u16 status_code, struct sk_buff *skb)
2939{
2940 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2941 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2942 struct ieee80211_mgmt *mgmt;
2943
2944 mgmt = (void *)skb_put(skb, 24);
2945 memset(mgmt, 0, 24);
2946 memcpy(mgmt->da, peer, ETH_ALEN);
2947 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2948 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2949
2950 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2951 IEEE80211_STYPE_ACTION);
2952
2953 switch (action_code) {
2954 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2955 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2956 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2957 mgmt->u.action.u.tdls_discover_resp.action_code =
2958 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2959 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2960 dialog_token;
2961 mgmt->u.action.u.tdls_discover_resp.capability =
2962 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2963
55de908a
JB		 2964 ieee80211_add_srates_ie(sdata, skb, false, band);
2965 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2966 ieee80211_tdls_add_ext_capab(skb);
2967 break;
2968 default:
2969 return -EINVAL;
2970 }
2971
2972 return 0;
2973}
2974
2975static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2976 u8 *peer, u8 action_code, u8 dialog_token,
2977 u16 status_code, const u8 *extra_ies,
2978 size_t extra_ies_len)
2979{
2980 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2981 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2982 struct sk_buff *skb = NULL;
2983 bool send_direct;
2984 int ret;
2985
2986 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2987 return -ENOTSUPP;
2988
2989 /* make sure we are in managed mode, and associated */
2990 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2991 !sdata->u.mgd.associated)
2992 return -EINVAL;
2993
bdcbd8e0
JB		 2994 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2995 action_code, peer);
dfe018bf
AN		 2996
2997 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2998 max(sizeof(struct ieee80211_mgmt),
2999 sizeof(struct ieee80211_tdls_data)) +
3000 50 + /* supported rates */
3001 7 + /* ext capab */
3002 extra_ies_len +
3003 sizeof(struct ieee80211_tdls_lnkie));
3004 if (!skb)
3005 return -ENOMEM;
3006
dfe018bf
AN		 3007 skb_reserve(skb, local->hw.extra_tx_headroom);
3008
3009 switch (action_code) {
3010 case WLAN_TDLS_SETUP_REQUEST:
3011 case WLAN_TDLS_SETUP_RESPONSE:
3012 case WLAN_TDLS_SETUP_CONFIRM:
3013 case WLAN_TDLS_TEARDOWN:
3014 case WLAN_TDLS_DISCOVERY_REQUEST:
3015 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3016 action_code, dialog_token,
3017 status_code, skb);
3018 send_direct = false;
3019 break;
3020 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3021 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3022 dialog_token, status_code,
3023 skb);
3024 send_direct = true;
3025 break;
3026 default:
3027 ret = -ENOTSUPP;
3028 break;
3029 }
3030
3031 if (ret < 0)
3032 goto fail;
3033
3034 if (extra_ies_len)
3035 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3036
3037 /* the TDLS link IE is always added last */
3038 switch (action_code) {
3039 case WLAN_TDLS_SETUP_REQUEST:
3040 case WLAN_TDLS_SETUP_CONFIRM:
3041 case WLAN_TDLS_TEARDOWN:
3042 case WLAN_TDLS_DISCOVERY_REQUEST:
3043 /* we are the initiator */
3044 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3045 sdata->u.mgd.bssid);
3046 break;
3047 case WLAN_TDLS_SETUP_RESPONSE:
3048 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3049 /* we are the responder */
3050 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3051 sdata->u.mgd.bssid);
3052 break;
3053 default:
3054 ret = -ENOTSUPP;
3055 goto fail;
3056 }
3057
3058 if (send_direct) {
3059 ieee80211_tx_skb(sdata, skb);
3060 return 0;
3061 }
3062
3063 /*
3064 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3065 * we should default to AC_VI.
3066 */
3067 switch (action_code) {
3068 case WLAN_TDLS_SETUP_REQUEST:
3069 case WLAN_TDLS_SETUP_RESPONSE:
3070 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3071 skb->priority = 2;
3072 break;
3073 default:
3074 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3075 skb->priority = 5;
3076 break;
3077 }
3078
3079 /* disable bottom halves when entering the Tx path */
3080 local_bh_disable();
3081 ret = ieee80211_subif_start_xmit(skb, dev);
3082 local_bh_enable();
3083
3084 return ret;
3085
3086fail:
3087 dev_kfree_skb(skb);
3088 return ret;
3089}
3090
3091static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3092 u8 *peer, enum nl80211_tdls_operation oper)
3093{
941c93cd 3094 struct sta_info *sta;
dfe018bf
AN		 3095 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3096
3097 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3098 return -ENOTSUPP;
3099
3100 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3101 return -EINVAL;
3102
bdcbd8e0 3103 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3104
3105 switch (oper) {
3106 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3107 rcu_read_lock();
3108 sta = sta_info_get(sdata, peer);
3109 if (!sta) {
3110 rcu_read_unlock();
3111 return -ENOLINK;
3112 }
3113
c2c98fde 3114 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3115 rcu_read_unlock();
dfe018bf
AN		 3116 break;
3117 case NL80211_TDLS_DISABLE_LINK:
3118 return sta_info_destroy_addr(sdata, peer);
3119 case NL80211_TDLS_TEARDOWN:
3120 case NL80211_TDLS_SETUP:
3121 case NL80211_TDLS_DISCOVERY_REQ:
3122 /* We don't support in-driver setup/teardown/discovery */
3123 return -ENOTSUPP;
3124 default:
3125 return -ENOTSUPP;
3126 }
3127
3128 return 0;
3129}
3130
06500736
JB		 3131static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3132 const u8 *peer, u64 *cookie)
3133{
3134 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3135 struct ieee80211_local *local = sdata->local;
3136 struct ieee80211_qos_hdr *nullfunc;
3137 struct sk_buff *skb;
3138 int size = sizeof(*nullfunc);
3139 __le16 fc;
3140 bool qos;
3141 struct ieee80211_tx_info *info;
3142 struct sta_info *sta;
55de908a
JB		 3143 struct ieee80211_chanctx_conf *chanctx_conf;
3144 enum ieee80211_band band;
06500736
JB		 3145
3146 rcu_read_lock();
55de908a
JB		 3147 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3148 if (WARN_ON(!chanctx_conf)) {
3149 rcu_read_unlock();
3150 return -EINVAL;
3151 }
4bf88530 3152 band = chanctx_conf->def.chan->band;
06500736 3153 sta = sta_info_get(sdata, peer);
b4487c2d 3154 if (sta) {
06500736 3155 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3156 } else {
3157 rcu_read_unlock();
06500736 3158 return -ENOLINK;
b4487c2d 3159 }
06500736
JB		 3160
3161 if (qos) {
3162 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3163 IEEE80211_STYPE_QOS_NULLFUNC |
3164 IEEE80211_FCTL_FROMDS);
3165 } else {
3166 size -= 2;
3167 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3168 IEEE80211_STYPE_NULLFUNC |
3169 IEEE80211_FCTL_FROMDS);
3170 }
3171
3172 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3173 if (!skb) {
3174 rcu_read_unlock();
06500736 3175 return -ENOMEM;
55de908a 3176 }
06500736
JB		 3177
3178 skb->dev = dev;
3179
3180 skb_reserve(skb, local->hw.extra_tx_headroom);
3181
3182 nullfunc = (void *) skb_put(skb, size);
3183 nullfunc->frame_control = fc;
3184 nullfunc->duration_id = 0;
3185 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3186 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3187 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3188 nullfunc->seq_ctrl = 0;
3189
3190 info = IEEE80211_SKB_CB(skb);
3191
3192 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3193 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3194
3195 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3196 skb->priority = 7;
3197 if (qos)
3198 nullfunc->qos_ctrl = cpu_to_le16(7);
3199
3200 local_bh_disable();
55de908a 3201 ieee80211_xmit(sdata, skb, band);
06500736 3202 local_bh_enable();
55de908a 3203 rcu_read_unlock();
06500736
JB		 3204
3205 *cookie = (unsigned long) skb;
3206 return 0;
3207}
3208
683b6d3b
JB		 3209static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3210 struct wireless_dev *wdev,
3211 struct cfg80211_chan_def *chandef)
5b7ccaf3 3212{
55de908a
JB		 3213 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3214 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3215 int ret = -ENODATA;
55de908a
JB		 3216
3217 rcu_read_lock();
3218 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3219 if (chanctx_conf) {
4bf88530 3220 *chandef = chanctx_conf->def;
683b6d3b 3221 ret = 0;
55de908a
JB		 3222 }
3223 rcu_read_unlock();
5b7ccaf3 3224
683b6d3b 3225 return ret;
5b7ccaf3
JB		 3226}
3227
6d52563f
JB		 3228#ifdef CONFIG_PM
3229static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3230{
3231 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3232}
3233#endif
3234
f0706e82
JB		 3235struct cfg80211_ops mac80211_config_ops = {
3236 .add_virtual_intf = ieee80211_add_iface,
3237 .del_virtual_intf = ieee80211_del_iface,
42613db7 3238 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3239 .start_p2p_device = ieee80211_start_p2p_device,
3240 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3241 .add_key = ieee80211_add_key,
3242 .del_key = ieee80211_del_key,
62da92fb 3243 .get_key = ieee80211_get_key,
e8cbb4cb 3244 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3245 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3246 .start_ap = ieee80211_start_ap,
3247 .change_beacon = ieee80211_change_beacon,
3248 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3249 .add_station = ieee80211_add_station,
3250 .del_station = ieee80211_del_station,
3251 .change_station = ieee80211_change_station,
7bbdd2d9 3252 .get_station = ieee80211_get_station,
c5dd9c2b 3253 .dump_station = ieee80211_dump_station,
1289723e 3254 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3255#ifdef CONFIG_MAC80211_MESH
3256 .add_mpath = ieee80211_add_mpath,
3257 .del_mpath = ieee80211_del_mpath,
3258 .change_mpath = ieee80211_change_mpath,
3259 .get_mpath = ieee80211_get_mpath,
3260 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3261 .update_mesh_config = ieee80211_update_mesh_config,
3262 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3263 .join_mesh = ieee80211_join_mesh,
3264 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3265#endif
9f1ba906 3266 .change_bss = ieee80211_change_bss,
31888487 3267 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3268 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3269 .suspend = ieee80211_suspend,
3270 .resume = ieee80211_resume,
2a519311 3271 .scan = ieee80211_scan,
79f460ca
LC		 3272 .sched_scan_start = ieee80211_sched_scan_start,
3273 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3274 .auth = ieee80211_auth,
3275 .assoc = ieee80211_assoc,
3276 .deauth = ieee80211_deauth,
3277 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3278 .join_ibss = ieee80211_join_ibss,
3279 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3280 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3281 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3282 .set_tx_power = ieee80211_set_tx_power,
3283 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3284 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3285 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3286 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3287 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3288 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3289 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3290 .remain_on_channel = ieee80211_remain_on_channel,
3291 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3292 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3293 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3294 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3295 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3296 .set_antenna = ieee80211_set_antenna,
3297 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3298 .set_ringparam = ieee80211_set_ringparam,
3299 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3300 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3301 .tdls_oper = ieee80211_tdls_oper,
3302 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3303 .probe_client = ieee80211_probe_client,
b53be792 3304 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3305#ifdef CONFIG_PM
3306 .set_wakeup = ieee80211_set_wakeup,
3307#endif
b1ab7925
BG		 3308 .get_et_sset_count = ieee80211_get_et_sset_count,
3309 .get_et_stats = ieee80211_get_et_stats,
3310 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3311 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3312};
ubuntu-bionic-kernel mirror