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Merge tag 'asm-generic' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm...
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
76 /*
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
83 */
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 return -EBUSY;
87
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
91
92 ieee80211_configure_filter(local);
93 } else {
94 /*
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
98 */
99 sdata->u.mntr_flags = *flags;
100 }
101 }
f7917af9 102
42613db7
JB		 103 return 0;
104}
105
f142c6b9
JB		 106static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
108{
109 return ieee80211_do_open(wdev, true);
110}
111
112static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
116}
117
b53be792
SW		 118static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
120 u16 noack_map)
121{
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
123
124 sdata->noack_map = noack_map;
125 return 0;
126}
127
e8cbb4cb 128static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 129 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 130 struct key_params *params)
131{
26a58456 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 133 struct sta_info *sta = NULL;
db4d1169 134 struct ieee80211_key *key;
3b96766f 135 int err;
e8cbb4cb 136
26a58456 137 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 138 return -ENETDOWN;
139
97359d12 140 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 143 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
146 return -EINVAL;
3cfcf6ac 147 break;
e8cbb4cb 148 default:
97359d12 149 break;
e8cbb4cb
JB		 150 }
151
97359d12
JB		 152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 154 if (IS_ERR(key))
155 return PTR_ERR(key);
db4d1169 156
e31b8213
JB		 157 if (pairwise)
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
159
ad0e2b5a 160 mutex_lock(&sdata->local->sta_mtx);
3b96766f 161
e8cbb4cb 162 if (mac_addr) {
ff973af7
TP		 163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
165 else
166 sta = sta_info_get_bss(sdata, mac_addr);
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
HS		 512 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
513 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 514 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
515 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
516 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
517 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
518 if (test_sta_flag(sta, WLAN_STA_WME))
519 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
520 if (test_sta_flag(sta, WLAN_STA_MFP))
521 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
522 if (test_sta_flag(sta, WLAN_STA_AUTH))
523 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 524 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
525 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 526}
527
b1ab7925
BG		 528static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
529 "rx_packets", "rx_bytes", "wep_weak_iv_count",
530 "rx_duplicates", "rx_fragments", "rx_dropped",
531 "tx_packets", "tx_bytes", "tx_fragments",
532 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 533 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
534 "channel", "noise", "ch_time", "ch_time_busy",
535 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 536};
537#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
538
539static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
540 struct net_device *dev,
541 int sset)
542{
e352114f
BG		 543 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
544 int rv = 0;
545
b1ab7925 546 if (sset == ETH_SS_STATS)
e352114f
BG		 547 rv += STA_STATS_LEN;
548
549 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 550
e352114f
BG		 551 if (rv == 0)
552 return -EOPNOTSUPP;
553 return rv;
b1ab7925
BG		 554}
555
556static void ieee80211_get_et_stats(struct wiphy *wiphy,
557 struct net_device *dev,
558 struct ethtool_stats *stats,
559 u64 *data)
560{
561 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB		 562 struct ieee80211_chanctx_conf *chanctx_conf;
563 struct ieee80211_channel *channel;
b1ab7925
BG		 564 struct sta_info *sta;
565 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 566 struct station_info sinfo;
567 struct survey_info survey;
568 int i, q;
569#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 570
571 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
572
573#define ADD_STA_STATS(sta) \
574 do { \
575 data[i++] += sta->rx_packets; \
576 data[i++] += sta->rx_bytes; \
577 data[i++] += sta->wep_weak_iv_count; \
578 data[i++] += sta->num_duplicates; \
579 data[i++] += sta->rx_fragments; \
580 data[i++] += sta->rx_dropped; \
581 \
582 data[i++] += sta->tx_packets; \
583 data[i++] += sta->tx_bytes; \
584 data[i++] += sta->tx_fragments; \
585 data[i++] += sta->tx_filtered_count; \
586 data[i++] += sta->tx_retry_failed; \
587 data[i++] += sta->tx_retry_count; \
588 data[i++] += sta->beacon_loss_count; \
589 } while (0)
590
591 /* For Managed stations, find the single station based on BSSID
592 * and use that. For interface types, iterate through all available
593 * stations and add stats for any station that is assigned to this
594 * network device.
595 */
596
66572cfc 597 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 598
599 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
600 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 601
602 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
603 goto do_survey;
604
605 i = 0;
606 ADD_STA_STATS(sta);
607
608 data[i++] = sta->sta_state;
609
610 sinfo.filled = 0;
611 sta_set_sinfo(sta, &sinfo);
612
5204267d 613 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 614 data[i] = 100000 *
615 cfg80211_calculate_bitrate(&sinfo.txrate);
616 i++;
5204267d 617 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 618 data[i] = 100000 *
619 cfg80211_calculate_bitrate(&sinfo.rxrate);
620 i++;
621
5204267d 622 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 623 data[i] = (u8)sinfo.signal_avg;
624 i++;
b1ab7925 625 } else {
66572cfc 626 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 627 /* Make sure this station belongs to the proper dev */
628 if (sta->sdata->dev != dev)
629 continue;
630
631 i = 0;
632 ADD_STA_STATS(sta);
b1ab7925
BG		 633 }
634 }
635
3073a7c2
BG		 636do_survey:
637 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
638 /* Get survey stats for current channel */
55de908a 639 survey.filled = 0;
3073a7c2 640
55de908a
JB		 641 rcu_read_lock();
642 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
643 if (chanctx_conf)
4bf88530 644 channel = chanctx_conf->def.chan;
55de908a
JB		 645 else
646 channel = NULL;
647 rcu_read_unlock();
648
649 if (channel) {
650 q = 0;
651 do {
652 survey.filled = 0;
653 if (drv_get_survey(local, q, &survey) != 0) {
654 survey.filled = 0;
655 break;
656 }
657 q++;
658 } while (channel != survey.channel);
3073a7c2
BG		 659 }
660
661 if (survey.filled)
662 data[i++] = survey.channel->center_freq;
663 else
664 data[i++] = 0;
665 if (survey.filled & SURVEY_INFO_NOISE_DBM)
666 data[i++] = (u8)survey.noise;
667 else
668 data[i++] = -1LL;
669 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
670 data[i++] = survey.channel_time;
671 else
672 data[i++] = -1LL;
673 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
674 data[i++] = survey.channel_time_busy;
675 else
676 data[i++] = -1LL;
677 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
678 data[i++] = survey.channel_time_ext_busy;
679 else
680 data[i++] = -1LL;
681 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
682 data[i++] = survey.channel_time_rx;
683 else
684 data[i++] = -1LL;
685 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
686 data[i++] = survey.channel_time_tx;
687 else
688 data[i++] = -1LL;
689
66572cfc 690 mutex_unlock(&local->sta_mtx);
e352114f 691
3073a7c2
BG		 692 if (WARN_ON(i != STA_STATS_LEN))
693 return;
694
e352114f 695 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 696}
697
698static void ieee80211_get_et_strings(struct wiphy *wiphy,
699 struct net_device *dev,
700 u32 sset, u8 *data)
701{
e352114f
BG		 702 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
703 int sz_sta_stats = 0;
704
b1ab7925 705 if (sset == ETH_SS_STATS) {
e352114f 706 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 707 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
708 }
e352114f 709 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 710}
c5dd9c2b
LCC		 711
712static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
713 int idx, u8 *mac, struct station_info *sinfo)
714{
3b53fde8 715 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 716 struct ieee80211_local *local = sdata->local;
c5dd9c2b 717 struct sta_info *sta;
d0709a65
JB		 718 int ret = -ENOENT;
719
66572cfc 720 mutex_lock(&local->sta_mtx);
c5dd9c2b 721
3b53fde8 722 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 723 if (sta) {
724 ret = 0;
17741cdc 725 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 726 sta_set_sinfo(sta, sinfo);
727 }
c5dd9c2b 728
66572cfc 729 mutex_unlock(&local->sta_mtx);
c5dd9c2b 730
d0709a65 731 return ret;
c5dd9c2b
LCC		 732}
733
1289723e
HS		 734static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
735 int idx, struct survey_info *survey)
736{
737 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
738
1289723e
HS		 739 return drv_get_survey(local, idx, survey);
740}
741
7bbdd2d9 742static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 743 u8 *mac, struct station_info *sinfo)
7bbdd2d9 744{
abe60632 745 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 746 struct ieee80211_local *local = sdata->local;
7bbdd2d9 747 struct sta_info *sta;
d0709a65 748 int ret = -ENOENT;
7bbdd2d9 749
66572cfc 750 mutex_lock(&local->sta_mtx);
7bbdd2d9 751
0e5ded5a 752 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 753 if (sta) {
754 ret = 0;
755 sta_set_sinfo(sta, sinfo);
756 }
757
66572cfc 758 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 759
760 return ret;
7bbdd2d9
JB		 761}
762
55de908a 763static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
683b6d3b 764 struct cfg80211_chan_def *chandef)
3d9e6e12
JB		 765{
766 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB		 767 struct ieee80211_sub_if_data *sdata;
768 int ret = 0;
3d9e6e12 769
4bf88530 770 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
55de908a 771 return 0;
3d9e6e12 772
55de908a
JB		 773 mutex_lock(&local->iflist_mtx);
774 if (local->use_chanctx) {
775 sdata = rcu_dereference_protected(
776 local->monitor_sdata,
777 lockdep_is_held(&local->iflist_mtx));
778 if (sdata) {
779 ieee80211_vif_release_channel(sdata);
4bf88530 780 ret = ieee80211_vif_use_channel(sdata, chandef,
55de908a
JB		 781 IEEE80211_CHANCTX_EXCLUSIVE);
782 }
783 } else if (local->open_count == local->monitors) {
683b6d3b 784 local->_oper_channel = chandef->chan;
4bf88530 785 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
55de908a
JB		 786 ieee80211_hw_config(local, 0);
787 }
3d9e6e12 788
4bf88530
JB		 789 if (ret == 0)
790 local->monitor_chandef = *chandef;
55de908a 791 mutex_unlock(&local->iflist_mtx);
3d9e6e12 792
55de908a 793 return ret;
e8c9bd5b
JB		 794}
795
02945821 796static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 797 const u8 *resp, size_t resp_len)
02945821 798{
aa7a0080 799 struct probe_resp *new, *old;
02945821
AN		 800
801 if (!resp || !resp_len)
aba4e6ff 802 return 1;
02945821 803
f724828b 804 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 805
aa7a0080 806 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 807 if (!new)
808 return -ENOMEM;
809
aa7a0080
ES		 810 new->len = resp_len;
811 memcpy(new->data, resp, resp_len);
02945821
AN		 812
813 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 814 if (old)
815 kfree_rcu(old, rcu_head);
02945821
AN		 816
817 return 0;
818}
819
8860020e
JB		 820static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
821 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 822{
823 struct beacon_data *new, *old;
824 int new_head_len, new_tail_len;
8860020e
JB		 825 int size, err;
826 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 827
40b275b6 828 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 829
5dfdaf58
JB		 830 /* Need to have a beacon head if we don't have one yet */
831 if (!params->head && !old)
8860020e 832 return -EINVAL;
5dfdaf58
JB		 833
834 /* new or old head? */
835 if (params->head)
836 new_head_len = params->head_len;
837 else
838 new_head_len = old->head_len;
839
840 /* new or old tail? */
841 if (params->tail || !old)
842 /* params->tail_len will be zero for !params->tail */
843 new_tail_len = params->tail_len;
844 else
845 new_tail_len = old->tail_len;
846
847 size = sizeof(*new) + new_head_len + new_tail_len;
848
849 new = kzalloc(size, GFP_KERNEL);
850 if (!new)
851 return -ENOMEM;
852
853 /* start filling the new info now */
854
5dfdaf58
JB		 855 /*
856 * pointers go into the block we allocated,
857 * memory is | beacon_data | head | tail |
858 */
859 new->head = ((u8 *) new) + sizeof(*new);
860 new->tail = new->head + new_head_len;
861 new->head_len = new_head_len;
862 new->tail_len = new_tail_len;
863
864 /* copy in head */
865 if (params->head)
866 memcpy(new->head, params->head, new_head_len);
867 else
868 memcpy(new->head, old->head, new_head_len);
869
870 /* copy in optional tail */
871 if (params->tail)
872 memcpy(new->tail, params->tail, new_tail_len);
873 else
874 if (old)
875 memcpy(new->tail, old->tail, new_tail_len);
876
02945821
AN		 877 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
878 params->probe_resp_len);
8860020e
JB		 879 if (err < 0)
880 return err;
881 if (err == 0)
02945821
AN		 882 changed |= BSS_CHANGED_AP_PROBE_RESP;
883
8860020e
JB		 884 rcu_assign_pointer(sdata->u.ap.beacon, new);
885
886 if (old)
887 kfree_rcu(old, rcu_head);
7827493b 888
8860020e 889 return changed;
5dfdaf58
JB		 890}
891
8860020e
JB		 892static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
893 struct cfg80211_ap_settings *params)
5dfdaf58 894{
8860020e 895 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 896 struct beacon_data *old;
665c93a9 897 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 898 u32 changed = BSS_CHANGED_BEACON_INT |
899 BSS_CHANGED_BEACON_ENABLED |
900 BSS_CHANGED_BEACON |
339afbf4
JB		 901 BSS_CHANGED_SSID |
902 BSS_CHANGED_P2P_PS;
8860020e 903 int err;
14db74bc 904
40b275b6 905 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 906 if (old)
907 return -EALREADY;
908
04ecd257
JB		 909 /* TODO: make hostapd tell us what it wants */
910 sdata->smps_mode = IEEE80211_SMPS_OFF;
911 sdata->needed_rx_chains = sdata->local->rx_chains;
912
4bf88530 913 err = ieee80211_vif_use_channel(sdata, &params->chandef,
55de908a 914 IEEE80211_CHANCTX_SHARED);
aa430da4
JB		 915 if (err)
916 return err;
917
665c93a9
JB		 918 /*
919 * Apply control port protocol, this allows us to
920 * not encrypt dynamic WEP control frames.
921 */
922 sdata->control_port_protocol = params->crypto.control_port_ethertype;
923 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
924 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
925 vlan->control_port_protocol =
926 params->crypto.control_port_ethertype;
927 vlan->control_port_no_encrypt =
928 params->crypto.control_port_no_encrypt;
929 }
930
8860020e
JB		 931 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
932 sdata->vif.bss_conf.dtim_period = params->dtim_period;
933
934 sdata->vif.bss_conf.ssid_len = params->ssid_len;
935 if (params->ssid_len)
936 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
937 params->ssid_len);
938 sdata->vif.bss_conf.hidden_ssid =
939 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
940
339afbf4
JB		 941 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
942 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
943
8860020e
JB		 944 err = ieee80211_assign_beacon(sdata, &params->beacon);
945 if (err < 0)
946 return err;
947 changed |= err;
948
1041638f
JB		 949 err = drv_start_ap(sdata->local, sdata);
950 if (err) {
951 old = rtnl_dereference(sdata->u.ap.beacon);
952 if (old)
953 kfree_rcu(old, rcu_head);
954 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
955 return err;
956 }
957
8860020e
JB		 958 ieee80211_bss_info_change_notify(sdata, changed);
959
3edaf3e6
JB		 960 netif_carrier_on(dev);
961 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
962 netif_carrier_on(vlan->dev);
963
665c93a9 964 return 0;
5dfdaf58
JB		 965}
966
8860020e
JB		 967static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
968 struct cfg80211_beacon_data *params)
5dfdaf58 969{
14db74bc 970 struct ieee80211_sub_if_data *sdata;
5dfdaf58 971 struct beacon_data *old;
8860020e 972 int err;
5dfdaf58 973
14db74bc
JB		 974 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975
40b275b6 976 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 977 if (!old)
978 return -ENOENT;
979
8860020e
JB		 980 err = ieee80211_assign_beacon(sdata, params);
981 if (err < 0)
982 return err;
983 ieee80211_bss_info_change_notify(sdata, err);
984 return 0;
5dfdaf58
JB		 985}
986
8860020e 987static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 988{
7b20b8e8
JB		 989 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
990 struct ieee80211_sub_if_data *vlan;
991 struct ieee80211_local *local = sdata->local;
992 struct beacon_data *old_beacon;
993 struct probe_resp *old_probe_resp;
14db74bc 994
7b20b8e8
JB		 995 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
996 if (!old_beacon)
5dfdaf58 997 return -ENOENT;
7b20b8e8 998 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 999
7b20b8e8 1000 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1001 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1002 netif_carrier_off(vlan->dev);
1003 netif_carrier_off(dev);
1004
7b20b8e8 1005 /* remove beacon and probe response */
a9b3cd7f 1006 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1007 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1008 kfree_rcu(old_beacon, rcu_head);
1009 if (old_probe_resp)
1010 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1011
7b20b8e8 1012 sta_info_flush(local, sdata);
2d0ddec5 1013 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1014
1041638f
JB		 1015 drv_stop_ap(sdata->local, sdata);
1016
7b20b8e8
JB		 1017 /* free all potentially still buffered bcast frames */
1018 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1019 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1020
55de908a
JB		 1021 ieee80211_vif_release_channel(sdata);
1022
2d0ddec5 1023 return 0;
5dfdaf58
JB		 1024}
1025
4fd6931e
JB		 1026/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1027struct iapp_layer2_update {
1028 u8 da[ETH_ALEN]; /* broadcast */
1029 u8 sa[ETH_ALEN]; /* STA addr */
1030 __be16 len; /* 6 */
1031 u8 dsap; /* 0 */
1032 u8 ssap; /* 0 */
1033 u8 control;
1034 u8 xid_info[3];
bc10502d 1035} __packed;
4fd6931e
JB		 1036
1037static void ieee80211_send_layer2_update(struct sta_info *sta)
1038{
1039 struct iapp_layer2_update *msg;
1040 struct sk_buff *skb;
1041
1042 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1043 * bridge devices */
1044
1045 skb = dev_alloc_skb(sizeof(*msg));
1046 if (!skb)
1047 return;
1048 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1049
1050 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1051 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1052
e83e6541 1053 eth_broadcast_addr(msg->da);
17741cdc 1054 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1055 msg->len = htons(6);
1056 msg->dsap = 0;
1057 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1058 msg->control = 0xaf; /* XID response lsb.1111F101.
1059 * F=0 (no poll command; unsolicited frame) */
1060 msg->xid_info[0] = 0x81; /* XID format identifier */
1061 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1062 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1063
d0709a65
JB		 1064 skb->dev = sta->sdata->dev;
1065 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1066 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1067 netif_rx_ni(skb);
4fd6931e
JB		 1068}
1069
d9a7ddb0
JB		 1070static int sta_apply_parameters(struct ieee80211_local *local,
1071 struct sta_info *sta,
1072 struct station_parameters *params)
4fd6931e 1073{
d9a7ddb0 1074 int ret = 0;
4fd6931e
JB		 1075 u32 rates;
1076 int i, j;
8318d78a 1077 struct ieee80211_supported_band *sband;
d0709a65 1078 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1079 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1080 u32 mask, set;
4fd6931e 1081
55de908a 1082 sband = local->hw.wiphy->bands[band];
ae5eb026 1083
eccb8e8f
JB		 1084 mask = params->sta_flags_mask;
1085 set = params->sta_flags_set;
73651ee6 1086
d9a7ddb0
JB		 1087 /*
1088 * In mesh mode, we can clear AUTHENTICATED flag but must
1089 * also make ASSOCIATED follow appropriately for the driver
1090 * API. See also below, after AUTHORIZED changes.
1091 */
1092 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1093 /* cfg80211 should not allow this in non-mesh modes */
1094 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1095 return -EINVAL;
1096
1097 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1098 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1099 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1100 if (ret)
1101 return ret;
83d5cc01 1102 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1103 if (ret)
1104 return ret;
1105 }
1106 }
1107
eccb8e8f 1108 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1109 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1110 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1111 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1112 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1113 if (ret)
1114 return ret;
1115 }
1116
1117 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1118 /* cfg80211 should not allow this in non-mesh modes */
1119 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1120 return -EINVAL;
1121
1122 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1123 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1125 if (ret)
1126 return ret;
83d5cc01 1127 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1128 if (ret)
1129 return ret;
1130 }
eccb8e8f 1131 }
4fd6931e 1132
d9a7ddb0 1133
eccb8e8f 1134 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1135 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1136 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1137 else
1138 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1139 }
4fd6931e 1140
eccb8e8f 1141 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1142 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1143 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1144 sta->sta.wme = true;
c2c98fde
JB		 1145 } else {
1146 clear_sta_flag(sta, WLAN_STA_WME);
1147 sta->sta.wme = false;
39df600a 1148 }
eccb8e8f 1149 }
5394af4d 1150
eccb8e8f 1151 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1152 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1153 set_sta_flag(sta, WLAN_STA_MFP);
1154 else
1155 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1156 }
b39c48fa 1157
07ba55d7 1158 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1159 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1160 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1161 else
1162 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1163 }
4fd6931e 1164
3b9ce80c
JB		 1165 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1166 sta->sta.uapsd_queues = params->uapsd_queues;
1167 sta->sta.max_sp = params->max_sp;
1168 }
9533b4ac 1169
51b50fbe
JB		 1170 /*
1171 * cfg80211 validates this (1-2007) and allows setting the AID
1172 * only when creating a new station entry
1173 */
1174 if (params->aid)
1175 sta->sta.aid = params->aid;
1176
73651ee6
JB		 1177 /*
1178 * FIXME: updating the following information is racy when this
1179 * function is called from ieee80211_change_station().
1180 * However, all this information should be static so
1181 * maybe we should just reject attemps to change it.
1182 */
1183
4fd6931e
JB		 1184 if (params->listen_interval >= 0)
1185 sta->listen_interval = params->listen_interval;
1186
1187 if (params->supported_rates) {
1188 rates = 0;
8318d78a 1189
4fd6931e
JB		 1190 for (i = 0; i < params->supported_rates_len; i++) {
1191 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1192 for (j = 0; j < sband->n_bitrates; j++) {
1193 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1194 rates |= BIT(j);
1195 }
1196 }
55de908a 1197 sta->sta.supp_rates[band] = rates;
4fd6931e 1198 }
c5dd9c2b 1199
d9fe60de 1200 if (params->ht_capa)
ef96a842 1201 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1202 params->ht_capa,
d9fe60de 1203 &sta->sta.ht_cap);
36aedc90 1204
f461be3e
MP		 1205 if (params->vht_capa)
1206 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1207 params->vht_capa,
1208 &sta->sta.vht_cap);
1209
9c3990aa 1210 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1211#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1212 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1213 switch (params->plink_state) {
57cf8043
JC		 1214 case NL80211_PLINK_LISTEN:
1215 case NL80211_PLINK_ESTAB:
1216 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1217 sta->plink_state = params->plink_state;
1218 break;
1219 default:
1220 /* nothing */
1221 break;
1222 }
1223 else
1224 switch (params->plink_action) {
1225 case PLINK_ACTION_OPEN:
1226 mesh_plink_open(sta);
1227 break;
1228 case PLINK_ACTION_BLOCK:
1229 mesh_plink_block(sta);
1230 break;
1231 }
4daf50f2 1232#endif
902acc78 1233 }
d9a7ddb0
JB		 1234
1235 return 0;
4fd6931e
JB		 1236}
1237
1238static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1239 u8 *mac, struct station_parameters *params)
1240{
14db74bc 1241 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1242 struct sta_info *sta;
1243 struct ieee80211_sub_if_data *sdata;
73651ee6 1244 int err;
b8d476c8 1245 int layer2_update;
4fd6931e 1246
4fd6931e
JB		 1247 if (params->vlan) {
1248 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1249
05c914fe
JB		 1250 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1251 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1252 return -EINVAL;
1253 } else
1254 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1255
b203ca39 1256 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1257 return -EINVAL;
1258
1259 if (is_multicast_ether_addr(mac))
1260 return -EINVAL;
1261
1262 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1263 if (!sta)
1264 return -ENOMEM;
4fd6931e 1265
83d5cc01
JB		 1266 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1267 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1268
d9a7ddb0
JB		 1269 err = sta_apply_parameters(local, sta, params);
1270 if (err) {
1271 sta_info_free(local, sta);
1272 return err;
1273 }
4fd6931e 1274
d64cf63e
AN		 1275 /*
1276 * for TDLS, rate control should be initialized only when supported
1277 * rates are known.
1278 */
1279 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1280 rate_control_rate_init(sta);
4fd6931e 1281
b8d476c8
JM		 1282 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1283 sdata->vif.type == NL80211_IFTYPE_AP;
1284
34e89507 1285 err = sta_info_insert_rcu(sta);
73651ee6 1286 if (err) {
73651ee6
JB		 1287 rcu_read_unlock();
1288 return err;
1289 }
1290
b8d476c8 1291 if (layer2_update)
73651ee6
JB		 1292 ieee80211_send_layer2_update(sta);
1293
1294 rcu_read_unlock();
1295
4fd6931e
JB		 1296 return 0;
1297}
1298
1299static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1300 u8 *mac)
1301{
14db74bc
JB		 1302 struct ieee80211_local *local = wiphy_priv(wiphy);
1303 struct ieee80211_sub_if_data *sdata;
4fd6931e 1304
14db74bc
JB		 1305 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1306
34e89507
JB		 1307 if (mac)
1308 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1309
34e89507 1310 sta_info_flush(local, sdata);
4fd6931e
JB		 1311 return 0;
1312}
1313
1314static int ieee80211_change_station(struct wiphy *wiphy,
1315 struct net_device *dev,
1316 u8 *mac,
1317 struct station_parameters *params)
1318{
abe60632 1319 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1320 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1321 struct sta_info *sta;
1322 struct ieee80211_sub_if_data *vlansdata;
35b88623 1323 int err;
4fd6931e 1324
87be1e1e 1325 mutex_lock(&local->sta_mtx);
98dd6a57 1326
0e5ded5a 1327 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1328 if (!sta) {
87be1e1e 1329 mutex_unlock(&local->sta_mtx);
4fd6931e 1330 return -ENOENT;
98dd6a57 1331 }
4fd6931e 1332
bdd90d5e
JB		 1333 /* in station mode, supported rates are only valid with TDLS */
1334 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1335 params->supported_rates &&
1336 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1337 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1338 return -EINVAL;
1339 }
1340
d0709a65 1341 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1342 bool prev_4addr = false;
1343 bool new_4addr = false;
1344
4fd6931e
JB		 1345 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1346
05c914fe
JB		 1347 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1348 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1349 mutex_unlock(&local->sta_mtx);
4fd6931e 1350 return -EINVAL;
98dd6a57 1351 }
4fd6931e 1352
9bc383de 1353 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1354 if (vlansdata->u.vlan.sta) {
87be1e1e 1355 mutex_unlock(&local->sta_mtx);
f14543ee 1356 return -EBUSY;
3305443c 1357 }
f14543ee 1358
cf778b00 1359 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1360 new_4addr = true;
1361 }
1362
1363 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1364 sta->sdata->u.vlan.sta) {
1365 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1366 prev_4addr = true;
f14543ee
FF		 1367 }
1368
14db74bc 1369 sta->sdata = vlansdata;
7e3ed02c
FF		 1370
1371 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1372 prev_4addr != new_4addr) {
1373 if (new_4addr)
1374 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1375 else
1376 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1377 }
1378
4fd6931e
JB		 1379 ieee80211_send_layer2_update(sta);
1380 }
1381
35b88623
EP		 1382 err = sta_apply_parameters(local, sta, params);
1383 if (err) {
1384 mutex_unlock(&local->sta_mtx);
1385 return err;
1386 }
4fd6931e 1387
d64cf63e
AN		 1388 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1389 rate_control_rate_init(sta);
1390
87be1e1e 1391 mutex_unlock(&local->sta_mtx);
98dd6a57 1392
808118cb 1393 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1394 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1395 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1396 ieee80211_recalc_ps_vif(sdata);
1397 }
4fd6931e
JB		 1398 return 0;
1399}
1400
c5dd9c2b
LCC		 1401#ifdef CONFIG_MAC80211_MESH
1402static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1403 u8 *dst, u8 *next_hop)
1404{
14db74bc 1405 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1406 struct mesh_path *mpath;
1407 struct sta_info *sta;
1408 int err;
1409
14db74bc
JB		 1410 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1411
d0709a65 1412 rcu_read_lock();
abe60632 1413 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1414 if (!sta) {
1415 rcu_read_unlock();
c5dd9c2b 1416 return -ENOENT;
d0709a65 1417 }
c5dd9c2b 1418
f698d856 1419 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1420 if (err) {
1421 rcu_read_unlock();
c5dd9c2b 1422 return err;
d0709a65 1423 }
c5dd9c2b 1424
f698d856 1425 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1426 if (!mpath) {
1427 rcu_read_unlock();
c5dd9c2b
LCC		 1428 return -ENXIO;
1429 }
1430 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1431
c5dd9c2b
LCC		 1432 rcu_read_unlock();
1433 return 0;
1434}
1435
1436static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1437 u8 *dst)
1438{
f698d856
JBG		 1439 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1440
c5dd9c2b 1441 if (dst)
f698d856 1442 return mesh_path_del(dst, sdata);
c5dd9c2b 1443
ece1a2e7 1444 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1445 return 0;
1446}
1447
1448static int ieee80211_change_mpath(struct wiphy *wiphy,
1449 struct net_device *dev,
1450 u8 *dst, u8 *next_hop)
1451{
14db74bc 1452 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1453 struct mesh_path *mpath;
1454 struct sta_info *sta;
1455
14db74bc
JB		 1456 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1457
d0709a65
JB		 1458 rcu_read_lock();
1459
abe60632 1460 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1461 if (!sta) {
1462 rcu_read_unlock();
c5dd9c2b 1463 return -ENOENT;
d0709a65 1464 }
c5dd9c2b 1465
f698d856 1466 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1467 if (!mpath) {
1468 rcu_read_unlock();
c5dd9c2b
LCC		 1469 return -ENOENT;
1470 }
1471
1472 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1473
c5dd9c2b
LCC		 1474 rcu_read_unlock();
1475 return 0;
1476}
1477
1478static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1479 struct mpath_info *pinfo)
1480{
a3836e02
JB		 1481 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1482
1483 if (next_hop_sta)
1484 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1485 else
1486 memset(next_hop, 0, ETH_ALEN);
1487
7ce8c7a3
LAYS		 1488 memset(pinfo, 0, sizeof(*pinfo));
1489
f5ea9120
JB		 1490 pinfo->generation = mesh_paths_generation;
1491
c5dd9c2b 1492 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1493 MPATH_INFO_SN |
c5dd9c2b
LCC		 1494 MPATH_INFO_METRIC |
1495 MPATH_INFO_EXPTIME |
1496 MPATH_INFO_DISCOVERY_TIMEOUT |
1497 MPATH_INFO_DISCOVERY_RETRIES |
1498 MPATH_INFO_FLAGS;
1499
1500 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1501 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1502 pinfo->metric = mpath->metric;
1503 if (time_before(jiffies, mpath->exp_time))
1504 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1505 pinfo->discovery_timeout =
1506 jiffies_to_msecs(mpath->discovery_timeout);
1507 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1508 if (mpath->flags & MESH_PATH_ACTIVE)
1509 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1510 if (mpath->flags & MESH_PATH_RESOLVING)
1511 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1512 if (mpath->flags & MESH_PATH_SN_VALID)
1513 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1514 if (mpath->flags & MESH_PATH_FIXED)
1515 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1516 if (mpath->flags & MESH_PATH_RESOLVED)
1517 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1518}
1519
1520static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1521 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1522
1523{
14db74bc 1524 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1525 struct mesh_path *mpath;
1526
14db74bc
JB		 1527 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1528
c5dd9c2b 1529 rcu_read_lock();
f698d856 1530 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1531 if (!mpath) {
1532 rcu_read_unlock();
1533 return -ENOENT;
1534 }
1535 memcpy(dst, mpath->dst, ETH_ALEN);
1536 mpath_set_pinfo(mpath, next_hop, pinfo);
1537 rcu_read_unlock();
1538 return 0;
1539}
1540
1541static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1542 int idx, u8 *dst, u8 *next_hop,
1543 struct mpath_info *pinfo)
1544{
14db74bc 1545 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1546 struct mesh_path *mpath;
1547
14db74bc
JB		 1548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1549
c5dd9c2b 1550 rcu_read_lock();
f698d856 1551 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1552 if (!mpath) {
1553 rcu_read_unlock();
1554 return -ENOENT;
1555 }
1556 memcpy(dst, mpath->dst, ETH_ALEN);
1557 mpath_set_pinfo(mpath, next_hop, pinfo);
1558 rcu_read_unlock();
1559 return 0;
1560}
93da9cc1 1561
24bdd9f4 1562static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1563 struct net_device *dev,
1564 struct mesh_config *conf)
1565{
1566 struct ieee80211_sub_if_data *sdata;
1567 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1568
93da9cc1 1569 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1570 return 0;
1571}
1572
1573static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1574{
1575 return (mask >> (parm-1)) & 0x1;
1576}
1577
c80d545d
JC		 1578static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1579 const struct mesh_setup *setup)
1580{
1581 u8 *new_ie;
1582 const u8 *old_ie;
4bb62344
CYY		 1583 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1584 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1585
581a8b0f 1586 /* allocate information elements */
c80d545d 1587 new_ie = NULL;
581a8b0f 1588 old_ie = ifmsh->ie;
c80d545d 1589
581a8b0f
JC		 1590 if (setup->ie_len) {
1591 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1592 GFP_KERNEL);
1593 if (!new_ie)
1594 return -ENOMEM;
1595 }
581a8b0f
JC		 1596 ifmsh->ie_len = setup->ie_len;
1597 ifmsh->ie = new_ie;
1598 kfree(old_ie);
c80d545d
JC		 1599
1600 /* now copy the rest of the setup parameters */
1601 ifmsh->mesh_id_len = setup->mesh_id_len;
1602 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1603 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1604 ifmsh->mesh_pp_id = setup->path_sel_proto;
1605 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1606 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1607 if (setup->is_authenticated)
1608 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1609 if (setup->is_secure)
1610 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1611
4bb62344
CYY		 1612 /* mcast rate setting in Mesh Node */
1613 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1614 sizeof(setup->mcast_rate));
1615
c80d545d
JC		 1616 return 0;
1617}
1618
24bdd9f4 1619static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1620 struct net_device *dev, u32 mask,
1621 const struct mesh_config *nconf)
93da9cc1 1622{
1623 struct mesh_config *conf;
1624 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1625 struct ieee80211_if_mesh *ifmsh;
1626
93da9cc1 1627 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1628 ifmsh = &sdata->u.mesh;
93da9cc1 1629
93da9cc1 1630 /* Set the config options which we are interested in setting */
1631 conf = &(sdata->u.mesh.mshcfg);
1632 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1633 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1634 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1635 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1636 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1637 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1638 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1639 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1640 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1641 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1642 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1643 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1644 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1645 conf->element_ttl = nconf->element_ttl;
93da9cc1 1646 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1647 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1648 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1649 conf->dot11MeshNbrOffsetMaxNeighbor =
1650 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1651 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1652 conf->dot11MeshHWMPmaxPREQretries =
1653 nconf->dot11MeshHWMPmaxPREQretries;
1654 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1655 conf->path_refresh_time = nconf->path_refresh_time;
1656 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1657 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1658 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1659 conf->dot11MeshHWMPactivePathTimeout =
1660 nconf->dot11MeshHWMPactivePathTimeout;
1661 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1662 conf->dot11MeshHWMPpreqMinInterval =
1663 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1664 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1665 conf->dot11MeshHWMPperrMinInterval =
1666 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1667 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1668 mask))
1669 conf->dot11MeshHWMPnetDiameterTraversalTime =
1670 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1671 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1672 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1673 ieee80211_mesh_root_setup(ifmsh);
1674 }
16dd7267 1675 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1676 /* our current gate announcement implementation rides on root
1677 * announcements, so require this ifmsh to also be a root node
1678 * */
1679 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1680 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1681 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1682 ieee80211_mesh_root_setup(ifmsh);
1683 }
16dd7267
JC		 1684 conf->dot11MeshGateAnnouncementProtocol =
1685 nconf->dot11MeshGateAnnouncementProtocol;
1686 }
a4f606ea 1687 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1688 conf->dot11MeshHWMPRannInterval =
1689 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1690 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1691 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1692 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1693 /* our RSSI threshold implementation is supported only for
1694 * devices that report signal in dBm.
1695 */
1696 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1697 return -ENOTSUPP;
1698 conf->rssi_threshold = nconf->rssi_threshold;
1699 }
70c33eaa
AN		 1700 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1701 conf->ht_opmode = nconf->ht_opmode;
1702 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1703 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1704 }
ac1073a6
CYY		 1705 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1706 conf->dot11MeshHWMPactivePathToRootTimeout =
1707 nconf->dot11MeshHWMPactivePathToRootTimeout;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1709 conf->dot11MeshHWMProotInterval =
1710 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1711 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1712 conf->dot11MeshHWMPconfirmationInterval =
1713 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1714 return 0;
1715}
1716
29cbe68c
JB		 1717static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1718 const struct mesh_config *conf,
1719 const struct mesh_setup *setup)
1720{
1721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1722 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1723 int err;
29cbe68c 1724
c80d545d
JC		 1725 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1726 err = copy_mesh_setup(ifmsh, setup);
1727 if (err)
1728 return err;
cc1d2806 1729
04ecd257
JB		 1730 /* can mesh use other SMPS modes? */
1731 sdata->smps_mode = IEEE80211_SMPS_OFF;
1732 sdata->needed_rx_chains = sdata->local->rx_chains;
1733
4bf88530 1734 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1735 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1736 if (err)
1737 return err;
1738
29cbe68c
JB		 1739 ieee80211_start_mesh(sdata);
1740
1741 return 0;
1742}
1743
1744static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1745{
1746 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1747
1748 ieee80211_stop_mesh(sdata);
55de908a 1749 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1750
1751 return 0;
1752}
c5dd9c2b
LCC		 1753#endif
1754
9f1ba906
JM		 1755static int ieee80211_change_bss(struct wiphy *wiphy,
1756 struct net_device *dev,
1757 struct bss_parameters *params)
1758{
55de908a
JB		 1759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1760 enum ieee80211_band band;
9f1ba906
JM		 1761 u32 changed = 0;
1762
55de908a
JB		 1763 if (!rtnl_dereference(sdata->u.ap.beacon))
1764 return -ENOENT;
1765
1766 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1767
9f1ba906 1768 if (params->use_cts_prot >= 0) {
bda3933a 1769 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1770 changed |= BSS_CHANGED_ERP_CTS_PROT;
1771 }
1772 if (params->use_short_preamble >= 0) {
bda3933a 1773 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1774 params->use_short_preamble;
1775 changed |= BSS_CHANGED_ERP_PREAMBLE;
1776 }
43d35343
FF		 1777
1778 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1779 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1780 sdata->vif.bss_conf.use_short_slot = true;
1781 changed |= BSS_CHANGED_ERP_SLOT;
1782 }
1783
9f1ba906 1784 if (params->use_short_slot_time >= 0) {
bda3933a 1785 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1786 params->use_short_slot_time;
1787 changed |= BSS_CHANGED_ERP_SLOT;
1788 }
1789
90c97a04
JM		 1790 if (params->basic_rates) {
1791 int i, j;
1792 u32 rates = 0;
55de908a 1793 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1794
1795 for (i = 0; i < params->basic_rates_len; i++) {
1796 int rate = (params->basic_rates[i] & 0x7f) * 5;
1797 for (j = 0; j < sband->n_bitrates; j++) {
1798 if (sband->bitrates[j].bitrate == rate)
1799 rates |= BIT(j);
1800 }
1801 }
1802 sdata->vif.bss_conf.basic_rates = rates;
1803 changed |= BSS_CHANGED_BASIC_RATES;
1804 }
1805
7b7b5e56
FF		 1806 if (params->ap_isolate >= 0) {
1807 if (params->ap_isolate)
1808 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1809 else
1810 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1811 }
1812
80d7e403
HS		 1813 if (params->ht_opmode >= 0) {
1814 sdata->vif.bss_conf.ht_operation_mode =
1815 (u16) params->ht_opmode;
1816 changed |= BSS_CHANGED_HT;
1817 }
1818
339afbf4
JB		 1819 if (params->p2p_ctwindow >= 0) {
1820 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1821 changed |= BSS_CHANGED_P2P_PS;
1822 }
1823
1824 if (params->p2p_opp_ps >= 0) {
1825 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1826 changed |= BSS_CHANGED_P2P_PS;
1827 }
1828
9f1ba906
JM		 1829 ieee80211_bss_info_change_notify(sdata, changed);
1830
1831 return 0;
1832}
1833
31888487 1834static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1835 struct net_device *dev,
31888487
JM		 1836 struct ieee80211_txq_params *params)
1837{
1838 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1839 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1840 struct ieee80211_tx_queue_params p;
1841
1842 if (!local->ops->conf_tx)
1843 return -EOPNOTSUPP;
1844
54bcbc69
JB		 1845 if (local->hw.queues < IEEE80211_NUM_ACS)
1846 return -EOPNOTSUPP;
1847
31888487
JM		 1848 memset(&p, 0, sizeof(p));
1849 p.aifs = params->aifs;
1850 p.cw_max = params->cwmax;
1851 p.cw_min = params->cwmin;
1852 p.txop = params->txop;
ab13315a
KV		 1853
1854 /*
1855 * Setting tx queue params disables u-apsd because it's only
1856 * called in master mode.
1857 */
1858 p.uapsd = false;
1859
a3304b0a
JB		 1860 sdata->tx_conf[params->ac] = p;
1861 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1862 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1863 "failed to set TX queue parameters for AC %d\n",
1864 params->ac);
31888487
JM		 1865 return -EINVAL;
1866 }
1867
7d25745d
JB		 1868 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1869
31888487
JM		 1870 return 0;
1871}
1872
665af4fc 1873#ifdef CONFIG_PM
ff1b6e69
JB		 1874static int ieee80211_suspend(struct wiphy *wiphy,
1875 struct cfg80211_wowlan *wowlan)
665af4fc 1876{
eecc4800 1877 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1878}
1879
1880static int ieee80211_resume(struct wiphy *wiphy)
1881{
1882 return __ieee80211_resume(wiphy_priv(wiphy));
1883}
1884#else
1885#define ieee80211_suspend NULL
1886#define ieee80211_resume NULL
1887#endif
1888
2a519311 1889static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1890 struct cfg80211_scan_request *req)
1891{
fd014284
JB		 1892 struct ieee80211_sub_if_data *sdata;
1893
1894 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1895
2ca27bcf
JB		 1896 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1897 case NL80211_IFTYPE_STATION:
1898 case NL80211_IFTYPE_ADHOC:
1899 case NL80211_IFTYPE_MESH_POINT:
1900 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1901 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1902 break;
1903 case NL80211_IFTYPE_P2P_GO:
1904 if (sdata->local->ops->hw_scan)
1905 break;
e9d7732e
JB		 1906 /*
1907 * FIXME: implement NoA while scanning in software,
1908 * for now fall through to allow scanning only when
1909 * beaconing hasn't been configured yet
1910 */
2ca27bcf 1911 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1912 /*
1913 * If the scan has been forced (and the driver supports
1914 * forcing), don't care about being beaconing already.
1915 * This will create problems to the attached stations (e.g. all
1916 * the frames sent while scanning on other channel will be
1917 * lost)
1918 */
1919 if (sdata->u.ap.beacon &&
1920 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1921 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1922 return -EOPNOTSUPP;
1923 break;
1924 default:
1925 return -EOPNOTSUPP;
1926 }
2a519311
JB		 1927
1928 return ieee80211_request_scan(sdata, req);
1929}
1930
79f460ca
LC		 1931static int
1932ieee80211_sched_scan_start(struct wiphy *wiphy,
1933 struct net_device *dev,
1934 struct cfg80211_sched_scan_request *req)
1935{
1936 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1937
1938 if (!sdata->local->ops->sched_scan_start)
1939 return -EOPNOTSUPP;
1940
1941 return ieee80211_request_sched_scan_start(sdata, req);
1942}
1943
1944static int
85a9994a 1945ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1946{
1947 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1948
1949 if (!sdata->local->ops->sched_scan_stop)
1950 return -EOPNOTSUPP;
1951
85a9994a 1952 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1953}
1954
636a5d36
JM		 1955static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1956 struct cfg80211_auth_request *req)
1957{
77fdaa12 1958 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1959}
1960
1961static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1962 struct cfg80211_assoc_request *req)
1963{
77fdaa12 1964 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1965}
1966
1967static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1968 struct cfg80211_deauth_request *req)
636a5d36 1969{
63c9c5e7 1970 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1971}
1972
1973static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1974 struct cfg80211_disassoc_request *req)
636a5d36 1975{
63c9c5e7 1976 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1977}
1978
af8cdcd8
JB		 1979static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1980 struct cfg80211_ibss_params *params)
1981{
55de908a 1982 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 1983}
1984
1985static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1986{
55de908a 1987 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 1988}
1989
391e53e3
AQ		 1990static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
1991 int rate[IEEE80211_NUM_BANDS])
1992{
1993 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1994
1995 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
1996
1997 return 0;
1998}
1999
b9a5f8ca
JM		 2000static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2001{
2002 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2003 int err;
b9a5f8ca 2004
f23a4780
AN		 2005 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2006 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2007
2008 if (err)
2009 return err;
2010 }
2011
310bc676
LT		 2012 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2013 err = drv_set_coverage_class(local, wiphy->coverage_class);
2014
2015 if (err)
2016 return err;
2017 }
2018
b9a5f8ca 2019 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2020 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2021
24487981
JB		 2022 if (err)
2023 return err;
b9a5f8ca
JM		 2024 }
2025
8bc83c24
JB		 2026 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2027 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2028 return -EINVAL;
b9a5f8ca 2029 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2030 }
2031 if (changed & WIPHY_PARAM_RETRY_LONG) {
2032 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2033 return -EINVAL;
b9a5f8ca 2034 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2035 }
b9a5f8ca
JM		 2036 if (changed &
2037 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2038 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2039
2040 return 0;
2041}
2042
7643a2c3 2043static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2044 struct wireless_dev *wdev,
fa61cf70 2045 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2046{
2047 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2048 struct ieee80211_sub_if_data *sdata;
7643a2c3 2049
1ea6f9c0
JB		 2050 if (wdev) {
2051 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2052
2053 switch (type) {
2054 case NL80211_TX_POWER_AUTOMATIC:
2055 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2056 break;
2057 case NL80211_TX_POWER_LIMITED:
2058 case NL80211_TX_POWER_FIXED:
2059 if (mbm < 0 || (mbm % 100))
2060 return -EOPNOTSUPP;
2061 sdata->user_power_level = MBM_TO_DBM(mbm);
2062 break;
2063 }
2064
2065 ieee80211_recalc_txpower(sdata);
2066
2067 return 0;
2068 }
55de908a 2069
7643a2c3 2070 switch (type) {
fa61cf70 2071 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2072 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2073 break;
fa61cf70 2074 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2075 case NL80211_TX_POWER_FIXED:
2076 if (mbm < 0 || (mbm % 100))
2077 return -EOPNOTSUPP;
fa61cf70 2078 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2079 break;
7643a2c3
JB		 2080 }
2081
1ea6f9c0
JB		 2082 mutex_lock(&local->iflist_mtx);
2083 list_for_each_entry(sdata, &local->interfaces, list)
2084 sdata->user_power_level = local->user_power_level;
2085 list_for_each_entry(sdata, &local->interfaces, list)
2086 ieee80211_recalc_txpower(sdata);
2087 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2088
2089 return 0;
2090}
2091
c8442118
JB		 2092static int ieee80211_get_tx_power(struct wiphy *wiphy,
2093 struct wireless_dev *wdev,
2094 int *dbm)
7643a2c3
JB		 2095{
2096 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2097 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2098
1ea6f9c0
JB		 2099 if (!local->use_chanctx)
2100 *dbm = local->hw.conf.power_level;
2101 else
2102 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2103
7643a2c3
JB		 2104 return 0;
2105}
2106
ab737a4f 2107static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2108 const u8 *addr)
ab737a4f
JB		 2109{
2110 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2111
2112 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2113
2114 return 0;
2115}
2116
1f87f7d3
JB		 2117static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2118{
2119 struct ieee80211_local *local = wiphy_priv(wiphy);
2120
2121 drv_rfkill_poll(local);
2122}
2123
aff89a9b 2124#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2125static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2126{
2127 struct ieee80211_local *local = wiphy_priv(wiphy);
2128
2129 if (!local->ops->testmode_cmd)
2130 return -EOPNOTSUPP;
2131
2132 return local->ops->testmode_cmd(&local->hw, data, len);
2133}
71063f0e
WYG		 2134
2135static int ieee80211_testmode_dump(struct wiphy *wiphy,
2136 struct sk_buff *skb,
2137 struct netlink_callback *cb,
2138 void *data, int len)
2139{
2140 struct ieee80211_local *local = wiphy_priv(wiphy);
2141
2142 if (!local->ops->testmode_dump)
2143 return -EOPNOTSUPP;
2144
2145 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2146}
aff89a9b
JB		 2147#endif
2148
0f78231b
JB		 2149int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2150 enum ieee80211_smps_mode smps_mode)
2151{
2152 const u8 *ap;
2153 enum ieee80211_smps_mode old_req;
2154 int err;
2155
243e6df4
JB		 2156 lockdep_assert_held(&sdata->u.mgd.mtx);
2157
0f78231b
JB		 2158 old_req = sdata->u.mgd.req_smps;
2159 sdata->u.mgd.req_smps = smps_mode;
2160
2161 if (old_req == smps_mode &&
2162 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2163 return 0;
2164
2165 /*
2166 * If not associated, or current association is not an HT
04ecd257
JB		 2167 * association, there's no need to do anything, just store
2168 * the new value until we associate.
0f78231b
JB		 2169 */
2170 if (!sdata->u.mgd.associated ||
4bf88530 2171 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2172 return 0;
0f78231b 2173
0c1ad2ca 2174 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2175
2176 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2177 if (sdata->u.mgd.powersave)
2178 smps_mode = IEEE80211_SMPS_DYNAMIC;
2179 else
2180 smps_mode = IEEE80211_SMPS_OFF;
2181 }
2182
2183 /* send SM PS frame to AP */
2184 err = ieee80211_send_smps_action(sdata, smps_mode,
2185 ap, ap);
2186 if (err)
2187 sdata->u.mgd.req_smps = old_req;
2188
2189 return err;
2190}
2191
bc92afd9
JB		 2192static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2193 bool enabled, int timeout)
2194{
2195 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2196 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2197
e5de30c9
BP		 2198 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2199 return -EOPNOTSUPP;
2200
bc92afd9
JB		 2201 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2202 return -EOPNOTSUPP;
2203
2204 if (enabled == sdata->u.mgd.powersave &&
ff616381 2205 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2206 return 0;
2207
2208 sdata->u.mgd.powersave = enabled;
ff616381 2209 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2210
0f78231b
JB		 2211 /* no change, but if automatic follow powersave */
2212 mutex_lock(&sdata->u.mgd.mtx);
2213 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2214 mutex_unlock(&sdata->u.mgd.mtx);
2215
bc92afd9
JB		 2216 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2217 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2218
2219 ieee80211_recalc_ps(local, -1);
ab095877 2220 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2221
2222 return 0;
2223}
2224
a97c13c3
JO		 2225static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2226 struct net_device *dev,
2227 s32 rssi_thold, u32 rssi_hyst)
2228{
2229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2230 struct ieee80211_vif *vif = &sdata->vif;
2231 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2232
a97c13c3
JO		 2233 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2234 rssi_hyst == bss_conf->cqm_rssi_hyst)
2235 return 0;
2236
2237 bss_conf->cqm_rssi_thold = rssi_thold;
2238 bss_conf->cqm_rssi_hyst = rssi_hyst;
2239
2240 /* tell the driver upon association, unless already associated */
ea086359
JB		 2241 if (sdata->u.mgd.associated &&
2242 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2243 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2244
2245 return 0;
2246}
2247
9930380f
JB		 2248static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2249 struct net_device *dev,
2250 const u8 *addr,
2251 const struct cfg80211_bitrate_mask *mask)
2252{
2253 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2254 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2255 int i, ret;
2c7e6bc9 2256
554a43d5
EP		 2257 if (!ieee80211_sdata_running(sdata))
2258 return -ENETDOWN;
2259
bdbfd6b5
SM		 2260 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2261 ret = drv_set_bitrate_mask(local, sdata, mask);
2262 if (ret)
2263 return ret;
2264 }
9930380f 2265
19468413 2266 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2267 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2268 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2269 sizeof(mask->control[i].mcs));
2270 }
9930380f 2271
37eb0b16 2272 return 0;
9930380f
JB		 2273}
2274
2eb278e0
JB		 2275static int ieee80211_start_roc_work(struct ieee80211_local *local,
2276 struct ieee80211_sub_if_data *sdata,
2277 struct ieee80211_channel *channel,
2eb278e0
JB		 2278 unsigned int duration, u64 *cookie,
2279 struct sk_buff *txskb)
2280{
2281 struct ieee80211_roc_work *roc, *tmp;
2282 bool queued = false;
21f83589 2283 int ret;
21f83589
JB		 2284
2285 lockdep_assert_held(&local->mtx);
2286
fe57d9f5
JB		 2287 if (local->use_chanctx && !local->ops->remain_on_channel)
2288 return -EOPNOTSUPP;
2289
2eb278e0
JB		 2290 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2291 if (!roc)
2292 return -ENOMEM;
2293
2294 roc->chan = channel;
2eb278e0
JB		 2295 roc->duration = duration;
2296 roc->req_duration = duration;
2297 roc->frame = txskb;
2298 roc->mgmt_tx_cookie = (unsigned long)txskb;
2299 roc->sdata = sdata;
2300 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2301 INIT_LIST_HEAD(&roc->dependents);
2302
2303 /* if there's one pending or we're scanning, queue this one */
2304 if (!list_empty(&local->roc_list) || local->scanning)
2305 goto out_check_combine;
2306
2307 /* if not HW assist, just queue & schedule work */
2308 if (!local->ops->remain_on_channel) {
2309 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2310 goto out_queue;
2311 }
2312
2313 /* otherwise actually kick it off here (for error handling) */
2314
2315 /*
2316 * If the duration is zero, then the driver
2317 * wouldn't actually do anything. Set it to
2318 * 10 for now.
2319 *
2320 * TODO: cancel the off-channel operation
2321 * when we get the SKB's TX status and
2322 * the wait time was zero before.
2323 */
2324 if (!duration)
2325 duration = 10;
2326
42d97a59 2327 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2328 if (ret) {
2eb278e0
JB		 2329 kfree(roc);
2330 return ret;
21f83589
JB		 2331 }
2332
2eb278e0
JB		 2333 roc->started = true;
2334 goto out_queue;
2335
2336 out_check_combine:
2337 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2338 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2339 continue;
2340
2341 /*
2342 * Extend this ROC if possible:
2343 *
2344 * If it hasn't started yet, just increase the duration
2345 * and add the new one to the list of dependents.
2346 */
2347 if (!tmp->started) {
2348 list_add_tail(&roc->list, &tmp->dependents);
2349 tmp->duration = max(tmp->duration, roc->duration);
2350 queued = true;
2351 break;
2352 }
2353
2354 /* If it has already started, it's more difficult ... */
2355 if (local->ops->remain_on_channel) {
2356 unsigned long j = jiffies;
2357
2358 /*
2359 * In the offloaded ROC case, if it hasn't begun, add
2360 * this new one to the dependent list to be handled
2361 * when the the master one begins. If it has begun,
2362 * check that there's still a minimum time left and
2363 * if so, start this one, transmitting the frame, but
2364 * add it to the list directly after this one with a
2365 * a reduced time so we'll ask the driver to execute
2366 * it right after finishing the previous one, in the
2367 * hope that it'll also be executed right afterwards,
2368 * effectively extending the old one.
2369 * If there's no minimum time left, just add it to the
2370 * normal list.
2371 */
2372 if (!tmp->hw_begun) {
2373 list_add_tail(&roc->list, &tmp->dependents);
2374 queued = true;
2375 break;
2376 }
2377
2378 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2379 tmp->hw_start_time +
2380 msecs_to_jiffies(tmp->duration))) {
2381 int new_dur;
2382
2383 ieee80211_handle_roc_started(roc);
2384
2385 new_dur = roc->duration -
2386 jiffies_to_msecs(tmp->hw_start_time +
2387 msecs_to_jiffies(
2388 tmp->duration) -
2389 j);
2390
2391 if (new_dur > 0) {
2392 /* add right after tmp */
2393 list_add(&roc->list, &tmp->list);
2394 } else {
2395 list_add_tail(&roc->list,
2396 &tmp->dependents);
2397 }
2398 queued = true;
2399 }
2400 } else if (del_timer_sync(&tmp->work.timer)) {
2401 unsigned long new_end;
2402
2403 /*
2404 * In the software ROC case, cancel the timer, if
2405 * that fails then the finish work is already
2406 * queued/pending and thus we queue the new ROC
2407 * normally, if that succeeds then we can extend
2408 * the timer duration and TX the frame (if any.)
2409 */
2410
2411 list_add_tail(&roc->list, &tmp->dependents);
2412 queued = true;
2413
2414 new_end = jiffies + msecs_to_jiffies(roc->duration);
2415
2416 /* ok, it was started & we canceled timer */
2417 if (time_after(new_end, tmp->work.timer.expires))
2418 mod_timer(&tmp->work.timer, new_end);
2419 else
2420 add_timer(&tmp->work.timer);
2421
2422 ieee80211_handle_roc_started(roc);
2423 }
2424 break;
2425 }
2426
2427 out_queue:
2428 if (!queued)
2429 list_add_tail(&roc->list, &local->roc_list);
2430
2431 /*
50febf6a 2432 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2433 * or the SKB (for mgmt TX)
2434 */
50febf6a
JB		 2435 if (!txskb) {
2436 /* local->mtx protects this */
2437 local->roc_cookie_counter++;
2438 roc->cookie = local->roc_cookie_counter;
2439 /* wow, you wrapped 64 bits ... more likely a bug */
2440 if (WARN_ON(roc->cookie == 0)) {
2441 roc->cookie = 1;
2442 local->roc_cookie_counter++;
2443 }
2444 *cookie = roc->cookie;
2445 } else {
2eb278e0 2446 *cookie = (unsigned long)txskb;
50febf6a 2447 }
2eb278e0
JB		 2448
2449 return 0;
21f83589
JB		 2450}
2451
b8bc4b0a 2452static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2453 struct wireless_dev *wdev,
b8bc4b0a 2454 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2455 unsigned int duration,
2456 u64 *cookie)
2457{
71bbc994 2458 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2459 struct ieee80211_local *local = sdata->local;
2eb278e0 2460 int ret;
21f83589 2461
2eb278e0 2462 mutex_lock(&local->mtx);
42d97a59 2463 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2464 duration, cookie, NULL);
2465 mutex_unlock(&local->mtx);
b8bc4b0a 2466
2eb278e0 2467 return ret;
b8bc4b0a
JB		 2468}
2469
2eb278e0
JB		 2470static int ieee80211_cancel_roc(struct ieee80211_local *local,
2471 u64 cookie, bool mgmt_tx)
21f83589 2472{
2eb278e0 2473 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2474 int ret;
2475
2eb278e0
JB		 2476 mutex_lock(&local->mtx);
2477 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2478 struct ieee80211_roc_work *dep, *tmp2;
2479
2480 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2481 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2482 continue;
2483 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2484 continue;
2485 /* found dependent item -- just remove it */
2486 list_del(&dep->list);
2487 mutex_unlock(&local->mtx);
2488
2489 ieee80211_roc_notify_destroy(dep);
2490 return 0;
2491 }
2492
50febf6a 2493 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2494 continue;
2495 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2496 continue;
21f83589 2497
2eb278e0
JB		 2498 found = roc;
2499 break;
2500 }
21f83589 2501
2eb278e0
JB		 2502 if (!found) {
2503 mutex_unlock(&local->mtx);
2504 return -ENOENT;
2505 }
21f83589 2506
e979e33c
JB		 2507 /*
2508 * We found the item to cancel, so do that. Note that it
2509 * may have dependents, which we also cancel (and send
2510 * the expired signal for.) Not doing so would be quite
2511 * tricky here, but we may need to fix it later.
2512 */
2513
2eb278e0
JB		 2514 if (local->ops->remain_on_channel) {
2515 if (found->started) {
2516 ret = drv_cancel_remain_on_channel(local);
2517 if (WARN_ON_ONCE(ret)) {
2518 mutex_unlock(&local->mtx);
2519 return ret;
2520 }
2521 }
21f83589 2522
2eb278e0 2523 list_del(&found->list);
21f83589 2524
0f6b3f59
JB		 2525 if (found->started)
2526 ieee80211_start_next_roc(local);
2eb278e0 2527 mutex_unlock(&local->mtx);
21f83589 2528
2eb278e0
JB		 2529 ieee80211_roc_notify_destroy(found);
2530 } else {
2531 /* work may be pending so use it all the time */
2532 found->abort = true;
2533 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2534
21f83589
JB		 2535 mutex_unlock(&local->mtx);
2536
2eb278e0
JB		 2537 /* work will clean up etc */
2538 flush_delayed_work(&found->work);
21f83589 2539 }
b8bc4b0a 2540
2eb278e0 2541 return 0;
b8bc4b0a
JB		 2542}
2543
2eb278e0 2544static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2545 struct wireless_dev *wdev,
2eb278e0 2546 u64 cookie)
f30221e4 2547{
71bbc994 2548 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2549 struct ieee80211_local *local = sdata->local;
f30221e4 2550
2eb278e0 2551 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2552}
2553
71bbc994 2554static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2555 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2556 unsigned int wait, const u8 *buf, size_t len,
2557 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2558{
71bbc994 2559 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2560 struct ieee80211_local *local = sdata->local;
2561 struct sk_buff *skb;
2562 struct sta_info *sta;
2563 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2564 bool need_offchan = false;
e247bd90 2565 u32 flags;
2eb278e0 2566 int ret;
f7ca38df 2567
e247bd90
JB		 2568 if (dont_wait_for_ack)
2569 flags = IEEE80211_TX_CTL_NO_ACK;
2570 else
2571 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2572 IEEE80211_TX_CTL_REQ_TX_STATUS;
2573
aad14ceb
RM		 2574 if (no_cck)
2575 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2576
9d38d85d
JB		 2577 switch (sdata->vif.type) {
2578 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2579 if (!sdata->vif.bss_conf.ibss_joined)
2580 need_offchan = true;
2581 /* fall through */
2582#ifdef CONFIG_MAC80211_MESH
2583 case NL80211_IFTYPE_MESH_POINT:
2584 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2585 !sdata->u.mesh.mesh_id_len)
2586 need_offchan = true;
2587 /* fall through */
2588#endif
663fcafd
JB		 2589 case NL80211_IFTYPE_AP:
2590 case NL80211_IFTYPE_AP_VLAN:
2591 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2592 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2593 !ieee80211_vif_is_mesh(&sdata->vif) &&
2594 !rcu_access_pointer(sdata->bss->beacon))
2595 need_offchan = true;
663fcafd
JB		 2596 if (!ieee80211_is_action(mgmt->frame_control) ||
2597 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2598 break;
2599 rcu_read_lock();
2600 sta = sta_info_get(sdata, mgmt->da);
2601 rcu_read_unlock();
2602 if (!sta)
2603 return -ENOLINK;
2604 break;
2605 case NL80211_IFTYPE_STATION:
663fcafd 2606 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2607 if (!sdata->u.mgd.associated)
2608 need_offchan = true;
9d38d85d 2609 break;
f142c6b9
JB		 2610 case NL80211_IFTYPE_P2P_DEVICE:
2611 need_offchan = true;
2612 break;
9d38d85d
JB		 2613 default:
2614 return -EOPNOTSUPP;
2615 }
2616
2eb278e0
JB		 2617 mutex_lock(&local->mtx);
2618
2619 /* Check if the operating channel is the requested channel */
2620 if (!need_offchan) {
55de908a
JB		 2621 struct ieee80211_chanctx_conf *chanctx_conf;
2622
2623 rcu_read_lock();
2624 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2625
42d97a59 2626 if (chanctx_conf)
4bf88530 2627 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2628 else
2eb278e0 2629 need_offchan = true;
55de908a 2630 rcu_read_unlock();
2eb278e0
JB		 2631 }
2632
2633 if (need_offchan && !offchan) {
2634 ret = -EBUSY;
2635 goto out_unlock;
2636 }
2637
9d38d85d 2638 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2639 if (!skb) {
2640 ret = -ENOMEM;
2641 goto out_unlock;
2642 }
9d38d85d
JB		 2643 skb_reserve(skb, local->hw.extra_tx_headroom);
2644
2645 memcpy(skb_put(skb, len), buf, len);
2646
2647 IEEE80211_SKB_CB(skb)->flags = flags;
2648
2649 skb->dev = sdata->dev;
9d38d85d 2650
2eb278e0 2651 if (!need_offchan) {
7f9f78ab 2652 *cookie = (unsigned long) skb;
f30221e4 2653 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2654 ret = 0;
2655 goto out_unlock;
f30221e4
JB		 2656 }
2657
2eb278e0
JB		 2658 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2659 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2660 IEEE80211_SKB_CB(skb)->hw_queue =
2661 local->hw.offchannel_tx_hw_queue;
f30221e4 2662
2eb278e0 2663 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2664 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2665 wait, cookie, skb);
2666 if (ret)
2667 kfree_skb(skb);
2668 out_unlock:
2669 mutex_unlock(&local->mtx);
2670 return ret;
026331c4
JM		 2671}
2672
f30221e4 2673static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2674 struct wireless_dev *wdev,
f30221e4
JB		 2675 u64 cookie)
2676{
71bbc994 2677 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2678
2eb278e0 2679 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2680}
2681
7be5086d 2682static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2683 struct wireless_dev *wdev,
7be5086d
JB		 2684 u16 frame_type, bool reg)
2685{
2686 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2687 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2688
6abe0563
WH		 2689 switch (frame_type) {
2690 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2691 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2692 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2693
6abe0563
WH		 2694 if (reg)
2695 ifibss->auth_frame_registrations++;
2696 else
2697 ifibss->auth_frame_registrations--;
2698 }
2699 break;
2700 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2701 if (reg)
2702 local->probe_req_reg++;
2703 else
2704 local->probe_req_reg--;
7be5086d 2705
35f5149e
FF		 2706 if (!local->open_count)
2707 break;
2708
6abe0563
WH		 2709 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2710 break;
2711 default:
2712 break;
2713 }
7be5086d
JB		 2714}
2715
15d96753
BR		 2716static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2717{
2718 struct ieee80211_local *local = wiphy_priv(wiphy);
2719
2720 if (local->started)
2721 return -EOPNOTSUPP;
2722
2723 return drv_set_antenna(local, tx_ant, rx_ant);
2724}
2725
2726static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2727{
2728 struct ieee80211_local *local = wiphy_priv(wiphy);
2729
2730 return drv_get_antenna(local, tx_ant, rx_ant);
2731}
2732
38c09159
JL		 2733static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2734{
2735 struct ieee80211_local *local = wiphy_priv(wiphy);
2736
2737 return drv_set_ringparam(local, tx, rx);
2738}
2739
2740static void ieee80211_get_ringparam(struct wiphy *wiphy,
2741 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2742{
2743 struct ieee80211_local *local = wiphy_priv(wiphy);
2744
2745 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2746}
2747
c68f4b89
JB		 2748static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2749 struct net_device *dev,
2750 struct cfg80211_gtk_rekey_data *data)
2751{
2752 struct ieee80211_local *local = wiphy_priv(wiphy);
2753 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2754
2755 if (!local->ops->set_rekey_data)
2756 return -EOPNOTSUPP;
2757
2758 drv_set_rekey_data(local, sdata, data);
2759
2760 return 0;
2761}
2762
dfe018bf
AN		 2763static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2764{
2765 u8 *pos = (void *)skb_put(skb, 7);
2766
2767 *pos++ = WLAN_EID_EXT_CAPABILITY;
2768 *pos++ = 5; /* len */
2769 *pos++ = 0x0;
2770 *pos++ = 0x0;
2771 *pos++ = 0x0;
2772 *pos++ = 0x0;
2773 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2774}
2775
2776static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2777{
2778 struct ieee80211_local *local = sdata->local;
2779 u16 capab;
2780
2781 capab = 0;
55de908a 2782 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2783 return capab;
2784
2785 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2786 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2787 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2788 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2789
2790 return capab;
2791}
2792
2793static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2794 u8 *peer, u8 *bssid)
2795{
2796 struct ieee80211_tdls_lnkie *lnkid;
2797
2798 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2799
2800 lnkid->ie_type = WLAN_EID_LINK_ID;
2801 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2802
2803 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2804 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2805 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2806}
2807
2808static int
2809ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2810 u8 *peer, u8 action_code, u8 dialog_token,
2811 u16 status_code, struct sk_buff *skb)
2812{
2813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2814 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2815 struct ieee80211_tdls_data *tf;
2816
2817 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2818
2819 memcpy(tf->da, peer, ETH_ALEN);
2820 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2821 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2822 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2823
2824 switch (action_code) {
2825 case WLAN_TDLS_SETUP_REQUEST:
2826 tf->category = WLAN_CATEGORY_TDLS;
2827 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2828
2829 skb_put(skb, sizeof(tf->u.setup_req));
2830 tf->u.setup_req.dialog_token = dialog_token;
2831 tf->u.setup_req.capability =
2832 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2833
55de908a
JB		 2834 ieee80211_add_srates_ie(sdata, skb, false, band);
2835 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2836 ieee80211_tdls_add_ext_capab(skb);
2837 break;
2838 case WLAN_TDLS_SETUP_RESPONSE:
2839 tf->category = WLAN_CATEGORY_TDLS;
2840 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2841
2842 skb_put(skb, sizeof(tf->u.setup_resp));
2843 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2844 tf->u.setup_resp.dialog_token = dialog_token;
2845 tf->u.setup_resp.capability =
2846 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2847
55de908a
JB		 2848 ieee80211_add_srates_ie(sdata, skb, false, band);
2849 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2850 ieee80211_tdls_add_ext_capab(skb);
2851 break;
2852 case WLAN_TDLS_SETUP_CONFIRM:
2853 tf->category = WLAN_CATEGORY_TDLS;
2854 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2855
2856 skb_put(skb, sizeof(tf->u.setup_cfm));
2857 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2858 tf->u.setup_cfm.dialog_token = dialog_token;
2859 break;
2860 case WLAN_TDLS_TEARDOWN:
2861 tf->category = WLAN_CATEGORY_TDLS;
2862 tf->action_code = WLAN_TDLS_TEARDOWN;
2863
2864 skb_put(skb, sizeof(tf->u.teardown));
2865 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2866 break;
2867 case WLAN_TDLS_DISCOVERY_REQUEST:
2868 tf->category = WLAN_CATEGORY_TDLS;
2869 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2870
2871 skb_put(skb, sizeof(tf->u.discover_req));
2872 tf->u.discover_req.dialog_token = dialog_token;
2873 break;
2874 default:
2875 return -EINVAL;
2876 }
2877
2878 return 0;
2879}
2880
2881static int
2882ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2883 u8 *peer, u8 action_code, u8 dialog_token,
2884 u16 status_code, struct sk_buff *skb)
2885{
2886 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2887 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2888 struct ieee80211_mgmt *mgmt;
2889
2890 mgmt = (void *)skb_put(skb, 24);
2891 memset(mgmt, 0, 24);
2892 memcpy(mgmt->da, peer, ETH_ALEN);
2893 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2894 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2895
2896 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2897 IEEE80211_STYPE_ACTION);
2898
2899 switch (action_code) {
2900 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2901 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2902 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2903 mgmt->u.action.u.tdls_discover_resp.action_code =
2904 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2905 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2906 dialog_token;
2907 mgmt->u.action.u.tdls_discover_resp.capability =
2908 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2909
55de908a
JB		 2910 ieee80211_add_srates_ie(sdata, skb, false, band);
2911 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2912 ieee80211_tdls_add_ext_capab(skb);
2913 break;
2914 default:
2915 return -EINVAL;
2916 }
2917
2918 return 0;
2919}
2920
2921static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2922 u8 *peer, u8 action_code, u8 dialog_token,
2923 u16 status_code, const u8 *extra_ies,
2924 size_t extra_ies_len)
2925{
2926 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2927 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2928 struct sk_buff *skb = NULL;
2929 bool send_direct;
2930 int ret;
2931
2932 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2933 return -ENOTSUPP;
2934
2935 /* make sure we are in managed mode, and associated */
2936 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2937 !sdata->u.mgd.associated)
2938 return -EINVAL;
2939
bdcbd8e0
JB		 2940 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2941 action_code, peer);
dfe018bf
AN		 2942
2943 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2944 max(sizeof(struct ieee80211_mgmt),
2945 sizeof(struct ieee80211_tdls_data)) +
2946 50 + /* supported rates */
2947 7 + /* ext capab */
2948 extra_ies_len +
2949 sizeof(struct ieee80211_tdls_lnkie));
2950 if (!skb)
2951 return -ENOMEM;
2952
dfe018bf
AN		 2953 skb_reserve(skb, local->hw.extra_tx_headroom);
2954
2955 switch (action_code) {
2956 case WLAN_TDLS_SETUP_REQUEST:
2957 case WLAN_TDLS_SETUP_RESPONSE:
2958 case WLAN_TDLS_SETUP_CONFIRM:
2959 case WLAN_TDLS_TEARDOWN:
2960 case WLAN_TDLS_DISCOVERY_REQUEST:
2961 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2962 action_code, dialog_token,
2963 status_code, skb);
2964 send_direct = false;
2965 break;
2966 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2967 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2968 dialog_token, status_code,
2969 skb);
2970 send_direct = true;
2971 break;
2972 default:
2973 ret = -ENOTSUPP;
2974 break;
2975 }
2976
2977 if (ret < 0)
2978 goto fail;
2979
2980 if (extra_ies_len)
2981 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2982
2983 /* the TDLS link IE is always added last */
2984 switch (action_code) {
2985 case WLAN_TDLS_SETUP_REQUEST:
2986 case WLAN_TDLS_SETUP_CONFIRM:
2987 case WLAN_TDLS_TEARDOWN:
2988 case WLAN_TDLS_DISCOVERY_REQUEST:
2989 /* we are the initiator */
2990 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2991 sdata->u.mgd.bssid);
2992 break;
2993 case WLAN_TDLS_SETUP_RESPONSE:
2994 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2995 /* we are the responder */
2996 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2997 sdata->u.mgd.bssid);
2998 break;
2999 default:
3000 ret = -ENOTSUPP;
3001 goto fail;
3002 }
3003
3004 if (send_direct) {
3005 ieee80211_tx_skb(sdata, skb);
3006 return 0;
3007 }
3008
3009 /*
3010 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3011 * we should default to AC_VI.
3012 */
3013 switch (action_code) {
3014 case WLAN_TDLS_SETUP_REQUEST:
3015 case WLAN_TDLS_SETUP_RESPONSE:
3016 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3017 skb->priority = 2;
3018 break;
3019 default:
3020 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3021 skb->priority = 5;
3022 break;
3023 }
3024
3025 /* disable bottom halves when entering the Tx path */
3026 local_bh_disable();
3027 ret = ieee80211_subif_start_xmit(skb, dev);
3028 local_bh_enable();
3029
3030 return ret;
3031
3032fail:
3033 dev_kfree_skb(skb);
3034 return ret;
3035}
3036
3037static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3038 u8 *peer, enum nl80211_tdls_operation oper)
3039{
941c93cd 3040 struct sta_info *sta;
dfe018bf
AN		 3041 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3042
3043 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3044 return -ENOTSUPP;
3045
3046 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3047 return -EINVAL;
3048
bdcbd8e0 3049 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3050
3051 switch (oper) {
3052 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3053 rcu_read_lock();
3054 sta = sta_info_get(sdata, peer);
3055 if (!sta) {
3056 rcu_read_unlock();
3057 return -ENOLINK;
3058 }
3059
c2c98fde 3060 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3061 rcu_read_unlock();
dfe018bf
AN		 3062 break;
3063 case NL80211_TDLS_DISABLE_LINK:
3064 return sta_info_destroy_addr(sdata, peer);
3065 case NL80211_TDLS_TEARDOWN:
3066 case NL80211_TDLS_SETUP:
3067 case NL80211_TDLS_DISCOVERY_REQ:
3068 /* We don't support in-driver setup/teardown/discovery */
3069 return -ENOTSUPP;
3070 default:
3071 return -ENOTSUPP;
3072 }
3073
3074 return 0;
3075}
3076
06500736
JB		 3077static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3078 const u8 *peer, u64 *cookie)
3079{
3080 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3081 struct ieee80211_local *local = sdata->local;
3082 struct ieee80211_qos_hdr *nullfunc;
3083 struct sk_buff *skb;
3084 int size = sizeof(*nullfunc);
3085 __le16 fc;
3086 bool qos;
3087 struct ieee80211_tx_info *info;
3088 struct sta_info *sta;
55de908a
JB		 3089 struct ieee80211_chanctx_conf *chanctx_conf;
3090 enum ieee80211_band band;
06500736
JB		 3091
3092 rcu_read_lock();
55de908a
JB		 3093 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3094 if (WARN_ON(!chanctx_conf)) {
3095 rcu_read_unlock();
3096 return -EINVAL;
3097 }
4bf88530 3098 band = chanctx_conf->def.chan->band;
06500736 3099 sta = sta_info_get(sdata, peer);
b4487c2d 3100 if (sta) {
06500736 3101 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3102 } else {
3103 rcu_read_unlock();
06500736 3104 return -ENOLINK;
b4487c2d 3105 }
06500736
JB		 3106
3107 if (qos) {
3108 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3109 IEEE80211_STYPE_QOS_NULLFUNC |
3110 IEEE80211_FCTL_FROMDS);
3111 } else {
3112 size -= 2;
3113 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3114 IEEE80211_STYPE_NULLFUNC |
3115 IEEE80211_FCTL_FROMDS);
3116 }
3117
3118 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3119 if (!skb) {
3120 rcu_read_unlock();
06500736 3121 return -ENOMEM;
55de908a 3122 }
06500736
JB		 3123
3124 skb->dev = dev;
3125
3126 skb_reserve(skb, local->hw.extra_tx_headroom);
3127
3128 nullfunc = (void *) skb_put(skb, size);
3129 nullfunc->frame_control = fc;
3130 nullfunc->duration_id = 0;
3131 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3132 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3133 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3134 nullfunc->seq_ctrl = 0;
3135
3136 info = IEEE80211_SKB_CB(skb);
3137
3138 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3139 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3140
3141 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3142 skb->priority = 7;
3143 if (qos)
3144 nullfunc->qos_ctrl = cpu_to_le16(7);
3145
3146 local_bh_disable();
55de908a 3147 ieee80211_xmit(sdata, skb, band);
06500736 3148 local_bh_enable();
55de908a 3149 rcu_read_unlock();
06500736
JB		 3150
3151 *cookie = (unsigned long) skb;
3152 return 0;
3153}
3154
683b6d3b
JB		 3155static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3156 struct wireless_dev *wdev,
3157 struct cfg80211_chan_def *chandef)
5b7ccaf3 3158{
55de908a
JB		 3159 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3160 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3161 int ret = -ENODATA;
55de908a
JB		 3162
3163 rcu_read_lock();
3164 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3165 if (chanctx_conf) {
4bf88530 3166 *chandef = chanctx_conf->def;
683b6d3b 3167 ret = 0;
55de908a
JB		 3168 }
3169 rcu_read_unlock();
5b7ccaf3 3170
683b6d3b 3171 return ret;
5b7ccaf3
JB		 3172}
3173
6d52563f
JB		 3174#ifdef CONFIG_PM
3175static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3176{
3177 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3178}
3179#endif
3180
f0706e82
JB		 3181struct cfg80211_ops mac80211_config_ops = {
3182 .add_virtual_intf = ieee80211_add_iface,
3183 .del_virtual_intf = ieee80211_del_iface,
42613db7 3184 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3185 .start_p2p_device = ieee80211_start_p2p_device,
3186 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3187 .add_key = ieee80211_add_key,
3188 .del_key = ieee80211_del_key,
62da92fb 3189 .get_key = ieee80211_get_key,
e8cbb4cb 3190 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3191 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3192 .start_ap = ieee80211_start_ap,
3193 .change_beacon = ieee80211_change_beacon,
3194 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3195 .add_station = ieee80211_add_station,
3196 .del_station = ieee80211_del_station,
3197 .change_station = ieee80211_change_station,
7bbdd2d9 3198 .get_station = ieee80211_get_station,
c5dd9c2b 3199 .dump_station = ieee80211_dump_station,
1289723e 3200 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3201#ifdef CONFIG_MAC80211_MESH
3202 .add_mpath = ieee80211_add_mpath,
3203 .del_mpath = ieee80211_del_mpath,
3204 .change_mpath = ieee80211_change_mpath,
3205 .get_mpath = ieee80211_get_mpath,
3206 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3207 .update_mesh_config = ieee80211_update_mesh_config,
3208 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3209 .join_mesh = ieee80211_join_mesh,
3210 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3211#endif
9f1ba906 3212 .change_bss = ieee80211_change_bss,
31888487 3213 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3214 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3215 .suspend = ieee80211_suspend,
3216 .resume = ieee80211_resume,
2a519311 3217 .scan = ieee80211_scan,
79f460ca
LC		 3218 .sched_scan_start = ieee80211_sched_scan_start,
3219 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3220 .auth = ieee80211_auth,
3221 .assoc = ieee80211_assoc,
3222 .deauth = ieee80211_deauth,
3223 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3224 .join_ibss = ieee80211_join_ibss,
3225 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3226 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3227 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3228 .set_tx_power = ieee80211_set_tx_power,
3229 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3230 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3231 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3232 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3233 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3234 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3235 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3236 .remain_on_channel = ieee80211_remain_on_channel,
3237 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3238 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3239 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3240 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3241 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3242 .set_antenna = ieee80211_set_antenna,
3243 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3244 .set_ringparam = ieee80211_set_ringparam,
3245 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3246 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3247 .tdls_oper = ieee80211_tdls_oper,
3248 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3249 .probe_client = ieee80211_probe_client,
b53be792 3250 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3251#ifdef CONFIG_PM
3252 .set_wakeup = ieee80211_set_wakeup,
3253#endif
b1ab7925
BG		 3254 .get_et_sset_count = ieee80211_get_et_sset_count,
3255 .get_et_stats = ieee80211_get_et_stats,
3256 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3257 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3258};
Linux kernel - Deliverables
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