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cfg80211: move some AP code to right file
[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;
d6a83228 933 sdata->vif.bss_conf.enable_beacon = true;
8860020e
JB		 934
935 sdata->vif.bss_conf.ssid_len = params->ssid_len;
936 if (params->ssid_len)
937 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
938 params->ssid_len);
939 sdata->vif.bss_conf.hidden_ssid =
940 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
941
339afbf4
JB		 942 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
943 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
944
8860020e
JB		 945 err = ieee80211_assign_beacon(sdata, &params->beacon);
946 if (err < 0)
947 return err;
948 changed |= err;
949
1041638f
JB		 950 err = drv_start_ap(sdata->local, sdata);
951 if (err) {
952 old = rtnl_dereference(sdata->u.ap.beacon);
953 if (old)
954 kfree_rcu(old, rcu_head);
955 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
956 return err;
957 }
958
8860020e
JB		 959 ieee80211_bss_info_change_notify(sdata, changed);
960
3edaf3e6
JB		 961 netif_carrier_on(dev);
962 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
963 netif_carrier_on(vlan->dev);
964
665c93a9 965 return 0;
5dfdaf58
JB		 966}
967
8860020e
JB		 968static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
969 struct cfg80211_beacon_data *params)
5dfdaf58 970{
14db74bc 971 struct ieee80211_sub_if_data *sdata;
5dfdaf58 972 struct beacon_data *old;
8860020e 973 int err;
5dfdaf58 974
14db74bc
JB		 975 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976
40b275b6 977 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 978 if (!old)
979 return -ENOENT;
980
8860020e
JB		 981 err = ieee80211_assign_beacon(sdata, params);
982 if (err < 0)
983 return err;
984 ieee80211_bss_info_change_notify(sdata, err);
985 return 0;
5dfdaf58
JB		 986}
987
8860020e 988static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 989{
7b20b8e8
JB		 990 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
991 struct ieee80211_sub_if_data *vlan;
992 struct ieee80211_local *local = sdata->local;
993 struct beacon_data *old_beacon;
994 struct probe_resp *old_probe_resp;
14db74bc 995
7b20b8e8
JB		 996 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
997 if (!old_beacon)
5dfdaf58 998 return -ENOENT;
7b20b8e8 999 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
5dfdaf58 1000
7b20b8e8 1001 /* turn off carrier for this interface and dependent VLANs */
3edaf3e6
JB		 1002 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1003 netif_carrier_off(vlan->dev);
1004 netif_carrier_off(dev);
1005
7b20b8e8 1006 /* remove beacon and probe response */
a9b3cd7f 1007 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
7b20b8e8
JB		 1008 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1009 kfree_rcu(old_beacon, rcu_head);
1010 if (old_probe_resp)
1011 kfree_rcu(old_probe_resp, rcu_head);
8860020e 1012
2d4072a5 1013 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
75de9113
JB		 1014 sta_info_flush_defer(vlan);
1015 sta_info_flush_defer(sdata);
1016 rcu_barrier();
1017 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1018 sta_info_flush_cleanup(vlan);
1019 sta_info_flush_cleanup(sdata);
1020
d6a83228
JB		 1021 sdata->vif.bss_conf.enable_beacon = false;
1022 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
2d0ddec5 1023 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 1024
1041638f
JB		 1025 drv_stop_ap(sdata->local, sdata);
1026
7b20b8e8
JB		 1027 /* free all potentially still buffered bcast frames */
1028 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1029 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1030
55de908a
JB		 1031 ieee80211_vif_release_channel(sdata);
1032
2d0ddec5 1033 return 0;
5dfdaf58
JB		 1034}
1035
4fd6931e
JB		 1036/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1037struct iapp_layer2_update {
1038 u8 da[ETH_ALEN]; /* broadcast */
1039 u8 sa[ETH_ALEN]; /* STA addr */
1040 __be16 len; /* 6 */
1041 u8 dsap; /* 0 */
1042 u8 ssap; /* 0 */
1043 u8 control;
1044 u8 xid_info[3];
bc10502d 1045} __packed;
4fd6931e
JB		 1046
1047static void ieee80211_send_layer2_update(struct sta_info *sta)
1048{
1049 struct iapp_layer2_update *msg;
1050 struct sk_buff *skb;
1051
1052 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1053 * bridge devices */
1054
1055 skb = dev_alloc_skb(sizeof(*msg));
1056 if (!skb)
1057 return;
1058 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1059
1060 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1061 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1062
e83e6541 1063 eth_broadcast_addr(msg->da);
17741cdc 1064 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 1065 msg->len = htons(6);
1066 msg->dsap = 0;
1067 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1068 msg->control = 0xaf; /* XID response lsb.1111F101.
1069 * F=0 (no poll command; unsolicited frame) */
1070 msg->xid_info[0] = 0x81; /* XID format identifier */
1071 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1072 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1073
d0709a65
JB		 1074 skb->dev = sta->sdata->dev;
1075 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1076 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1077 netif_rx_ni(skb);
4fd6931e
JB		 1078}
1079
d9a7ddb0
JB		 1080static int sta_apply_parameters(struct ieee80211_local *local,
1081 struct sta_info *sta,
1082 struct station_parameters *params)
4fd6931e 1083{
d9a7ddb0 1084 int ret = 0;
4fd6931e
JB		 1085 u32 rates;
1086 int i, j;
8318d78a 1087 struct ieee80211_supported_band *sband;
d0709a65 1088 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1089 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1090 u32 mask, set;
4fd6931e 1091
55de908a 1092 sband = local->hw.wiphy->bands[band];
ae5eb026 1093
eccb8e8f
JB		 1094 mask = params->sta_flags_mask;
1095 set = params->sta_flags_set;
73651ee6 1096
d9a7ddb0
JB		 1097 /*
1098 * In mesh mode, we can clear AUTHENTICATED flag but must
1099 * also make ASSOCIATED follow appropriately for the driver
1100 * API. See also below, after AUTHORIZED changes.
1101 */
1102 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1103 /* cfg80211 should not allow this in non-mesh modes */
1104 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1105 return -EINVAL;
1106
1107 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1108 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1109 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1110 if (ret)
1111 return ret;
83d5cc01 1112 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1113 if (ret)
1114 return ret;
1115 }
1116 }
1117
eccb8e8f 1118 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1119 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1120 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1121 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1122 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1123 if (ret)
1124 return ret;
1125 }
1126
1127 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1128 /* cfg80211 should not allow this in non-mesh modes */
1129 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1130 return -EINVAL;
1131
1132 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1133 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1134 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1135 if (ret)
1136 return ret;
83d5cc01 1137 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1138 if (ret)
1139 return ret;
1140 }
eccb8e8f 1141 }
4fd6931e 1142
d9a7ddb0 1143
eccb8e8f 1144 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1145 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1146 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1147 else
1148 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1149 }
4fd6931e 1150
eccb8e8f 1151 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1152 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1153 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1154 sta->sta.wme = true;
c2c98fde
JB		 1155 } else {
1156 clear_sta_flag(sta, WLAN_STA_WME);
1157 sta->sta.wme = false;
39df600a 1158 }
eccb8e8f 1159 }
5394af4d 1160
eccb8e8f 1161 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1162 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1163 set_sta_flag(sta, WLAN_STA_MFP);
1164 else
1165 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1166 }
b39c48fa 1167
07ba55d7 1168 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1169 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1170 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1171 else
1172 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1173 }
4fd6931e 1174
3b9ce80c
JB		 1175 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1176 sta->sta.uapsd_queues = params->uapsd_queues;
1177 sta->sta.max_sp = params->max_sp;
1178 }
9533b4ac 1179
51b50fbe
JB		 1180 /*
1181 * cfg80211 validates this (1-2007) and allows setting the AID
1182 * only when creating a new station entry
1183 */
1184 if (params->aid)
1185 sta->sta.aid = params->aid;
1186
73651ee6
JB		 1187 /*
1188 * FIXME: updating the following information is racy when this
1189 * function is called from ieee80211_change_station().
1190 * However, all this information should be static so
1191 * maybe we should just reject attemps to change it.
1192 */
1193
4fd6931e
JB		 1194 if (params->listen_interval >= 0)
1195 sta->listen_interval = params->listen_interval;
1196
1197 if (params->supported_rates) {
1198 rates = 0;
8318d78a 1199
4fd6931e
JB		 1200 for (i = 0; i < params->supported_rates_len; i++) {
1201 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1202 for (j = 0; j < sband->n_bitrates; j++) {
1203 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1204 rates |= BIT(j);
1205 }
1206 }
55de908a 1207 sta->sta.supp_rates[band] = rates;
4fd6931e 1208 }
c5dd9c2b 1209
d9fe60de 1210 if (params->ht_capa)
ef96a842 1211 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1212 params->ht_capa,
d9fe60de 1213 &sta->sta.ht_cap);
36aedc90 1214
f461be3e
MP		 1215 if (params->vht_capa)
1216 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1217 params->vht_capa,
1218 &sta->sta.vht_cap);
1219
9c3990aa 1220 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1221#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1222 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1223 switch (params->plink_state) {
57cf8043
JC		 1224 case NL80211_PLINK_LISTEN:
1225 case NL80211_PLINK_ESTAB:
1226 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1227 sta->plink_state = params->plink_state;
1228 break;
1229 default:
1230 /* nothing */
1231 break;
1232 }
1233 else
1234 switch (params->plink_action) {
1235 case PLINK_ACTION_OPEN:
1236 mesh_plink_open(sta);
1237 break;
1238 case PLINK_ACTION_BLOCK:
1239 mesh_plink_block(sta);
1240 break;
1241 }
4daf50f2 1242#endif
902acc78 1243 }
d9a7ddb0
JB		 1244
1245 return 0;
4fd6931e
JB		 1246}
1247
1248static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1249 u8 *mac, struct station_parameters *params)
1250{
14db74bc 1251 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1252 struct sta_info *sta;
1253 struct ieee80211_sub_if_data *sdata;
73651ee6 1254 int err;
b8d476c8 1255 int layer2_update;
4fd6931e 1256
4fd6931e
JB		 1257 if (params->vlan) {
1258 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1259
05c914fe
JB		 1260 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1261 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1262 return -EINVAL;
1263 } else
1264 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1265
b203ca39 1266 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1267 return -EINVAL;
1268
1269 if (is_multicast_ether_addr(mac))
1270 return -EINVAL;
1271
1272 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1273 if (!sta)
1274 return -ENOMEM;
4fd6931e 1275
83d5cc01
JB		 1276 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1277 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1278
d9a7ddb0
JB		 1279 err = sta_apply_parameters(local, sta, params);
1280 if (err) {
1281 sta_info_free(local, sta);
1282 return err;
1283 }
4fd6931e 1284
d64cf63e
AN		 1285 /*
1286 * for TDLS, rate control should be initialized only when supported
1287 * rates are known.
1288 */
1289 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1290 rate_control_rate_init(sta);
4fd6931e 1291
b8d476c8
JM		 1292 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1293 sdata->vif.type == NL80211_IFTYPE_AP;
1294
34e89507 1295 err = sta_info_insert_rcu(sta);
73651ee6 1296 if (err) {
73651ee6
JB		 1297 rcu_read_unlock();
1298 return err;
1299 }
1300
b8d476c8 1301 if (layer2_update)
73651ee6
JB		 1302 ieee80211_send_layer2_update(sta);
1303
1304 rcu_read_unlock();
1305
4fd6931e
JB		 1306 return 0;
1307}
1308
1309static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1310 u8 *mac)
1311{
14db74bc 1312 struct ieee80211_sub_if_data *sdata;
4fd6931e 1313
14db74bc
JB		 1314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1315
34e89507
JB		 1316 if (mac)
1317 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1318
b998e8bb 1319 sta_info_flush(sdata);
4fd6931e
JB		 1320 return 0;
1321}
1322
1323static int ieee80211_change_station(struct wiphy *wiphy,
1324 struct net_device *dev,
1325 u8 *mac,
1326 struct station_parameters *params)
1327{
abe60632 1328 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1329 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1330 struct sta_info *sta;
1331 struct ieee80211_sub_if_data *vlansdata;
35b88623 1332 int err;
4fd6931e 1333
87be1e1e 1334 mutex_lock(&local->sta_mtx);
98dd6a57 1335
0e5ded5a 1336 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1337 if (!sta) {
87be1e1e 1338 mutex_unlock(&local->sta_mtx);
4fd6931e 1339 return -ENOENT;
98dd6a57 1340 }
4fd6931e 1341
bdd90d5e
JB		 1342 /* in station mode, supported rates are only valid with TDLS */
1343 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1344 params->supported_rates &&
1345 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1346 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1347 return -EINVAL;
1348 }
1349
d0709a65 1350 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1351 bool prev_4addr = false;
1352 bool new_4addr = false;
1353
4fd6931e
JB		 1354 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1355
05c914fe
JB		 1356 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1357 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1358 mutex_unlock(&local->sta_mtx);
4fd6931e 1359 return -EINVAL;
98dd6a57 1360 }
4fd6931e 1361
9bc383de 1362 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1363 if (vlansdata->u.vlan.sta) {
87be1e1e 1364 mutex_unlock(&local->sta_mtx);
f14543ee 1365 return -EBUSY;
3305443c 1366 }
f14543ee 1367
cf778b00 1368 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1369 new_4addr = true;
1370 }
1371
1372 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1373 sta->sdata->u.vlan.sta) {
1374 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1375 prev_4addr = true;
f14543ee
FF		 1376 }
1377
14db74bc 1378 sta->sdata = vlansdata;
7e3ed02c
FF		 1379
1380 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1381 prev_4addr != new_4addr) {
1382 if (new_4addr)
1383 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1384 else
1385 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1386 }
1387
4fd6931e
JB		 1388 ieee80211_send_layer2_update(sta);
1389 }
1390
35b88623
EP		 1391 err = sta_apply_parameters(local, sta, params);
1392 if (err) {
1393 mutex_unlock(&local->sta_mtx);
1394 return err;
1395 }
4fd6931e 1396
d64cf63e
AN		 1397 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1398 rate_control_rate_init(sta);
1399
87be1e1e 1400 mutex_unlock(&local->sta_mtx);
98dd6a57 1401
808118cb 1402 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1403 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1404 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1405 ieee80211_recalc_ps_vif(sdata);
1406 }
4fd6931e
JB		 1407 return 0;
1408}
1409
c5dd9c2b
LCC		 1410#ifdef CONFIG_MAC80211_MESH
1411static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1412 u8 *dst, u8 *next_hop)
1413{
14db74bc 1414 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1415 struct mesh_path *mpath;
1416 struct sta_info *sta;
1417 int err;
1418
14db74bc
JB		 1419 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1420
d0709a65 1421 rcu_read_lock();
abe60632 1422 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1423 if (!sta) {
1424 rcu_read_unlock();
c5dd9c2b 1425 return -ENOENT;
d0709a65 1426 }
c5dd9c2b 1427
f698d856 1428 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1429 if (err) {
1430 rcu_read_unlock();
c5dd9c2b 1431 return err;
d0709a65 1432 }
c5dd9c2b 1433
f698d856 1434 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1435 if (!mpath) {
1436 rcu_read_unlock();
c5dd9c2b
LCC		 1437 return -ENXIO;
1438 }
1439 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1440
c5dd9c2b
LCC		 1441 rcu_read_unlock();
1442 return 0;
1443}
1444
1445static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1446 u8 *dst)
1447{
f698d856
JBG		 1448 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1449
c5dd9c2b 1450 if (dst)
f698d856 1451 return mesh_path_del(dst, sdata);
c5dd9c2b 1452
ece1a2e7 1453 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1454 return 0;
1455}
1456
1457static int ieee80211_change_mpath(struct wiphy *wiphy,
1458 struct net_device *dev,
1459 u8 *dst, u8 *next_hop)
1460{
14db74bc 1461 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1462 struct mesh_path *mpath;
1463 struct sta_info *sta;
1464
14db74bc
JB		 1465 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1466
d0709a65
JB		 1467 rcu_read_lock();
1468
abe60632 1469 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1470 if (!sta) {
1471 rcu_read_unlock();
c5dd9c2b 1472 return -ENOENT;
d0709a65 1473 }
c5dd9c2b 1474
f698d856 1475 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1476 if (!mpath) {
1477 rcu_read_unlock();
c5dd9c2b
LCC		 1478 return -ENOENT;
1479 }
1480
1481 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1482
c5dd9c2b
LCC		 1483 rcu_read_unlock();
1484 return 0;
1485}
1486
1487static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1488 struct mpath_info *pinfo)
1489{
a3836e02
JB		 1490 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1491
1492 if (next_hop_sta)
1493 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1494 else
1495 memset(next_hop, 0, ETH_ALEN);
1496
7ce8c7a3
LAYS		 1497 memset(pinfo, 0, sizeof(*pinfo));
1498
f5ea9120
JB		 1499 pinfo->generation = mesh_paths_generation;
1500
c5dd9c2b 1501 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1502 MPATH_INFO_SN |
c5dd9c2b
LCC		 1503 MPATH_INFO_METRIC |
1504 MPATH_INFO_EXPTIME |
1505 MPATH_INFO_DISCOVERY_TIMEOUT |
1506 MPATH_INFO_DISCOVERY_RETRIES |
1507 MPATH_INFO_FLAGS;
1508
1509 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1510 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1511 pinfo->metric = mpath->metric;
1512 if (time_before(jiffies, mpath->exp_time))
1513 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1514 pinfo->discovery_timeout =
1515 jiffies_to_msecs(mpath->discovery_timeout);
1516 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1517 if (mpath->flags & MESH_PATH_ACTIVE)
1518 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1519 if (mpath->flags & MESH_PATH_RESOLVING)
1520 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1521 if (mpath->flags & MESH_PATH_SN_VALID)
1522 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1523 if (mpath->flags & MESH_PATH_FIXED)
1524 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1525 if (mpath->flags & MESH_PATH_RESOLVED)
1526 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1527}
1528
1529static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1530 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1531
1532{
14db74bc 1533 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1534 struct mesh_path *mpath;
1535
14db74bc
JB		 1536 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1537
c5dd9c2b 1538 rcu_read_lock();
f698d856 1539 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1540 if (!mpath) {
1541 rcu_read_unlock();
1542 return -ENOENT;
1543 }
1544 memcpy(dst, mpath->dst, ETH_ALEN);
1545 mpath_set_pinfo(mpath, next_hop, pinfo);
1546 rcu_read_unlock();
1547 return 0;
1548}
1549
1550static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1551 int idx, u8 *dst, u8 *next_hop,
1552 struct mpath_info *pinfo)
1553{
14db74bc 1554 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1555 struct mesh_path *mpath;
1556
14db74bc
JB		 1557 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1558
c5dd9c2b 1559 rcu_read_lock();
f698d856 1560 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1561 if (!mpath) {
1562 rcu_read_unlock();
1563 return -ENOENT;
1564 }
1565 memcpy(dst, mpath->dst, ETH_ALEN);
1566 mpath_set_pinfo(mpath, next_hop, pinfo);
1567 rcu_read_unlock();
1568 return 0;
1569}
93da9cc1 1570
24bdd9f4 1571static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1572 struct net_device *dev,
1573 struct mesh_config *conf)
1574{
1575 struct ieee80211_sub_if_data *sdata;
1576 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1577
93da9cc1 1578 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1579 return 0;
1580}
1581
1582static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1583{
1584 return (mask >> (parm-1)) & 0x1;
1585}
1586
c80d545d
JC		 1587static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1588 const struct mesh_setup *setup)
1589{
1590 u8 *new_ie;
1591 const u8 *old_ie;
4bb62344
CYY		 1592 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1593 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1594
581a8b0f 1595 /* allocate information elements */
c80d545d 1596 new_ie = NULL;
581a8b0f 1597 old_ie = ifmsh->ie;
c80d545d 1598
581a8b0f
JC		 1599 if (setup->ie_len) {
1600 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1601 GFP_KERNEL);
1602 if (!new_ie)
1603 return -ENOMEM;
1604 }
581a8b0f
JC		 1605 ifmsh->ie_len = setup->ie_len;
1606 ifmsh->ie = new_ie;
1607 kfree(old_ie);
c80d545d
JC		 1608
1609 /* now copy the rest of the setup parameters */
1610 ifmsh->mesh_id_len = setup->mesh_id_len;
1611 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1612 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1613 ifmsh->mesh_pp_id = setup->path_sel_proto;
1614 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1615 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1616 if (setup->is_authenticated)
1617 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1618 if (setup->is_secure)
1619 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1620
4bb62344
CYY		 1621 /* mcast rate setting in Mesh Node */
1622 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1623 sizeof(setup->mcast_rate));
1624
c80d545d
JC		 1625 return 0;
1626}
1627
24bdd9f4 1628static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1629 struct net_device *dev, u32 mask,
1630 const struct mesh_config *nconf)
93da9cc1 1631{
1632 struct mesh_config *conf;
1633 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1634 struct ieee80211_if_mesh *ifmsh;
1635
93da9cc1 1636 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1637 ifmsh = &sdata->u.mesh;
93da9cc1 1638
93da9cc1 1639 /* Set the config options which we are interested in setting */
1640 conf = &(sdata->u.mesh.mshcfg);
1641 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1642 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1643 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1644 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1645 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1646 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1647 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1648 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1649 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1650 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1651 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1652 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1653 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1654 conf->element_ttl = nconf->element_ttl;
93da9cc1 1655 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1656 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1657 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1658 conf->dot11MeshNbrOffsetMaxNeighbor =
1659 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1660 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1661 conf->dot11MeshHWMPmaxPREQretries =
1662 nconf->dot11MeshHWMPmaxPREQretries;
1663 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1664 conf->path_refresh_time = nconf->path_refresh_time;
1665 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1666 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1667 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1668 conf->dot11MeshHWMPactivePathTimeout =
1669 nconf->dot11MeshHWMPactivePathTimeout;
1670 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1671 conf->dot11MeshHWMPpreqMinInterval =
1672 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1673 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1674 conf->dot11MeshHWMPperrMinInterval =
1675 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1676 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1677 mask))
1678 conf->dot11MeshHWMPnetDiameterTraversalTime =
1679 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1680 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1681 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1682 ieee80211_mesh_root_setup(ifmsh);
1683 }
16dd7267 1684 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1685 /* our current gate announcement implementation rides on root
1686 * announcements, so require this ifmsh to also be a root node
1687 * */
1688 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1689 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1690 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1691 ieee80211_mesh_root_setup(ifmsh);
1692 }
16dd7267
JC		 1693 conf->dot11MeshGateAnnouncementProtocol =
1694 nconf->dot11MeshGateAnnouncementProtocol;
1695 }
a4f606ea 1696 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1697 conf->dot11MeshHWMPRannInterval =
1698 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1699 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1700 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1701 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1702 /* our RSSI threshold implementation is supported only for
1703 * devices that report signal in dBm.
1704 */
1705 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1706 return -ENOTSUPP;
1707 conf->rssi_threshold = nconf->rssi_threshold;
1708 }
70c33eaa
AN		 1709 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1710 conf->ht_opmode = nconf->ht_opmode;
1711 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1712 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1713 }
ac1073a6
CYY		 1714 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1715 conf->dot11MeshHWMPactivePathToRootTimeout =
1716 nconf->dot11MeshHWMPactivePathToRootTimeout;
1717 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1718 conf->dot11MeshHWMProotInterval =
1719 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1720 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1721 conf->dot11MeshHWMPconfirmationInterval =
1722 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1723 return 0;
1724}
1725
29cbe68c
JB		 1726static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1727 const struct mesh_config *conf,
1728 const struct mesh_setup *setup)
1729{
1730 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1731 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1732 int err;
29cbe68c 1733
c80d545d
JC		 1734 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1735 err = copy_mesh_setup(ifmsh, setup);
1736 if (err)
1737 return err;
cc1d2806 1738
04ecd257
JB		 1739 /* can mesh use other SMPS modes? */
1740 sdata->smps_mode = IEEE80211_SMPS_OFF;
1741 sdata->needed_rx_chains = sdata->local->rx_chains;
1742
4bf88530 1743 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
55de908a 1744 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB		 1745 if (err)
1746 return err;
1747
29cbe68c
JB		 1748 ieee80211_start_mesh(sdata);
1749
1750 return 0;
1751}
1752
1753static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1754{
1755 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1756
1757 ieee80211_stop_mesh(sdata);
55de908a 1758 ieee80211_vif_release_channel(sdata);
29cbe68c
JB		 1759
1760 return 0;
1761}
c5dd9c2b
LCC		 1762#endif
1763
9f1ba906
JM		 1764static int ieee80211_change_bss(struct wiphy *wiphy,
1765 struct net_device *dev,
1766 struct bss_parameters *params)
1767{
55de908a
JB		 1768 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769 enum ieee80211_band band;
9f1ba906
JM		 1770 u32 changed = 0;
1771
55de908a
JB		 1772 if (!rtnl_dereference(sdata->u.ap.beacon))
1773 return -ENOENT;
1774
1775 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1776
9f1ba906 1777 if (params->use_cts_prot >= 0) {
bda3933a 1778 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1779 changed |= BSS_CHANGED_ERP_CTS_PROT;
1780 }
1781 if (params->use_short_preamble >= 0) {
bda3933a 1782 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1783 params->use_short_preamble;
1784 changed |= BSS_CHANGED_ERP_PREAMBLE;
1785 }
43d35343
FF		 1786
1787 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1788 band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1789 sdata->vif.bss_conf.use_short_slot = true;
1790 changed |= BSS_CHANGED_ERP_SLOT;
1791 }
1792
9f1ba906 1793 if (params->use_short_slot_time >= 0) {
bda3933a 1794 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1795 params->use_short_slot_time;
1796 changed |= BSS_CHANGED_ERP_SLOT;
1797 }
1798
90c97a04
JM		 1799 if (params->basic_rates) {
1800 int i, j;
1801 u32 rates = 0;
55de908a 1802 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM		 1803
1804 for (i = 0; i < params->basic_rates_len; i++) {
1805 int rate = (params->basic_rates[i] & 0x7f) * 5;
1806 for (j = 0; j < sband->n_bitrates; j++) {
1807 if (sband->bitrates[j].bitrate == rate)
1808 rates |= BIT(j);
1809 }
1810 }
1811 sdata->vif.bss_conf.basic_rates = rates;
1812 changed |= BSS_CHANGED_BASIC_RATES;
1813 }
1814
7b7b5e56
FF		 1815 if (params->ap_isolate >= 0) {
1816 if (params->ap_isolate)
1817 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1818 else
1819 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1820 }
1821
80d7e403
HS		 1822 if (params->ht_opmode >= 0) {
1823 sdata->vif.bss_conf.ht_operation_mode =
1824 (u16) params->ht_opmode;
1825 changed |= BSS_CHANGED_HT;
1826 }
1827
339afbf4
JB		 1828 if (params->p2p_ctwindow >= 0) {
1829 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1830 changed |= BSS_CHANGED_P2P_PS;
1831 }
1832
1833 if (params->p2p_opp_ps >= 0) {
1834 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1835 changed |= BSS_CHANGED_P2P_PS;
1836 }
1837
9f1ba906
JM		 1838 ieee80211_bss_info_change_notify(sdata, changed);
1839
1840 return 0;
1841}
1842
31888487 1843static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1844 struct net_device *dev,
31888487
JM		 1845 struct ieee80211_txq_params *params)
1846{
1847 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1848 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1849 struct ieee80211_tx_queue_params p;
1850
1851 if (!local->ops->conf_tx)
1852 return -EOPNOTSUPP;
1853
54bcbc69
JB		 1854 if (local->hw.queues < IEEE80211_NUM_ACS)
1855 return -EOPNOTSUPP;
1856
31888487
JM		 1857 memset(&p, 0, sizeof(p));
1858 p.aifs = params->aifs;
1859 p.cw_max = params->cwmax;
1860 p.cw_min = params->cwmin;
1861 p.txop = params->txop;
ab13315a
KV		 1862
1863 /*
1864 * Setting tx queue params disables u-apsd because it's only
1865 * called in master mode.
1866 */
1867 p.uapsd = false;
1868
a3304b0a
JB		 1869 sdata->tx_conf[params->ac] = p;
1870 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1871 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1872 "failed to set TX queue parameters for AC %d\n",
1873 params->ac);
31888487
JM		 1874 return -EINVAL;
1875 }
1876
7d25745d
JB		 1877 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1878
31888487
JM		 1879 return 0;
1880}
1881
665af4fc 1882#ifdef CONFIG_PM
ff1b6e69
JB		 1883static int ieee80211_suspend(struct wiphy *wiphy,
1884 struct cfg80211_wowlan *wowlan)
665af4fc 1885{
eecc4800 1886 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1887}
1888
1889static int ieee80211_resume(struct wiphy *wiphy)
1890{
1891 return __ieee80211_resume(wiphy_priv(wiphy));
1892}
1893#else
1894#define ieee80211_suspend NULL
1895#define ieee80211_resume NULL
1896#endif
1897
2a519311 1898static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1899 struct cfg80211_scan_request *req)
1900{
fd014284
JB		 1901 struct ieee80211_sub_if_data *sdata;
1902
1903 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1904
2ca27bcf
JB		 1905 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1906 case NL80211_IFTYPE_STATION:
1907 case NL80211_IFTYPE_ADHOC:
1908 case NL80211_IFTYPE_MESH_POINT:
1909 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1910 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1911 break;
1912 case NL80211_IFTYPE_P2P_GO:
1913 if (sdata->local->ops->hw_scan)
1914 break;
e9d7732e
JB		 1915 /*
1916 * FIXME: implement NoA while scanning in software,
1917 * for now fall through to allow scanning only when
1918 * beaconing hasn't been configured yet
1919 */
2ca27bcf 1920 case NL80211_IFTYPE_AP:
5c95b940
AQ		 1921 /*
1922 * If the scan has been forced (and the driver supports
1923 * forcing), don't care about being beaconing already.
1924 * This will create problems to the attached stations (e.g. all
1925 * the frames sent while scanning on other channel will be
1926 * lost)
1927 */
1928 if (sdata->u.ap.beacon &&
1929 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
1930 !(req->flags & NL80211_SCAN_FLAG_AP)))
2ca27bcf
JB		 1931 return -EOPNOTSUPP;
1932 break;
1933 default:
1934 return -EOPNOTSUPP;
1935 }
2a519311
JB		 1936
1937 return ieee80211_request_scan(sdata, req);
1938}
1939
79f460ca
LC		 1940static int
1941ieee80211_sched_scan_start(struct wiphy *wiphy,
1942 struct net_device *dev,
1943 struct cfg80211_sched_scan_request *req)
1944{
1945 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1946
1947 if (!sdata->local->ops->sched_scan_start)
1948 return -EOPNOTSUPP;
1949
1950 return ieee80211_request_sched_scan_start(sdata, req);
1951}
1952
1953static int
85a9994a 1954ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1955{
1956 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1957
1958 if (!sdata->local->ops->sched_scan_stop)
1959 return -EOPNOTSUPP;
1960
85a9994a 1961 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1962}
1963
636a5d36
JM		 1964static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1965 struct cfg80211_auth_request *req)
1966{
77fdaa12 1967 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1968}
1969
1970static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1971 struct cfg80211_assoc_request *req)
1972{
77fdaa12 1973 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1974}
1975
1976static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1977 struct cfg80211_deauth_request *req)
636a5d36 1978{
63c9c5e7 1979 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1980}
1981
1982static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1983 struct cfg80211_disassoc_request *req)
636a5d36 1984{
63c9c5e7 1985 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1986}
1987
af8cdcd8
JB		 1988static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1989 struct cfg80211_ibss_params *params)
1990{
55de908a 1991 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB		 1992}
1993
1994static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1995{
55de908a 1996 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB		 1997}
1998
391e53e3
AQ		 1999static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2000 int rate[IEEE80211_NUM_BANDS])
2001{
2002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2003
2004 memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
2005
2006 return 0;
2007}
2008
b9a5f8ca
JM		 2009static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2010{
2011 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 2012 int err;
b9a5f8ca 2013
f23a4780
AN		 2014 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2015 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2016
2017 if (err)
2018 return err;
2019 }
2020
310bc676
LT		 2021 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2022 err = drv_set_coverage_class(local, wiphy->coverage_class);
2023
2024 if (err)
2025 return err;
2026 }
2027
b9a5f8ca 2028 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 2029 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 2030
24487981
JB		 2031 if (err)
2032 return err;
b9a5f8ca
JM		 2033 }
2034
8bc83c24
JB		 2035 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2036 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2037 return -EINVAL;
b9a5f8ca 2038 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
8bc83c24
JB		 2039 }
2040 if (changed & WIPHY_PARAM_RETRY_LONG) {
2041 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2042 return -EINVAL;
b9a5f8ca 2043 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
8bc83c24 2044 }
b9a5f8ca
JM		 2045 if (changed &
2046 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2047 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2048
2049 return 0;
2050}
2051
7643a2c3 2052static int ieee80211_set_tx_power(struct wiphy *wiphy,
c8442118 2053 struct wireless_dev *wdev,
fa61cf70 2054 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 2055{
2056 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2057 struct ieee80211_sub_if_data *sdata;
7643a2c3 2058
1ea6f9c0
JB		 2059 if (wdev) {
2060 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2061
2062 switch (type) {
2063 case NL80211_TX_POWER_AUTOMATIC:
2064 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2065 break;
2066 case NL80211_TX_POWER_LIMITED:
2067 case NL80211_TX_POWER_FIXED:
2068 if (mbm < 0 || (mbm % 100))
2069 return -EOPNOTSUPP;
2070 sdata->user_power_level = MBM_TO_DBM(mbm);
2071 break;
2072 }
2073
2074 ieee80211_recalc_txpower(sdata);
2075
2076 return 0;
2077 }
55de908a 2078
7643a2c3 2079 switch (type) {
fa61cf70 2080 case NL80211_TX_POWER_AUTOMATIC:
1ea6f9c0 2081 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
7643a2c3 2082 break;
fa61cf70 2083 case NL80211_TX_POWER_LIMITED:
fa61cf70
JO		 2084 case NL80211_TX_POWER_FIXED:
2085 if (mbm < 0 || (mbm % 100))
2086 return -EOPNOTSUPP;
fa61cf70 2087 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 2088 break;
7643a2c3
JB		 2089 }
2090
1ea6f9c0
JB		 2091 mutex_lock(&local->iflist_mtx);
2092 list_for_each_entry(sdata, &local->interfaces, list)
2093 sdata->user_power_level = local->user_power_level;
2094 list_for_each_entry(sdata, &local->interfaces, list)
2095 ieee80211_recalc_txpower(sdata);
2096 mutex_unlock(&local->iflist_mtx);
7643a2c3
JB		 2097
2098 return 0;
2099}
2100
c8442118
JB		 2101static int ieee80211_get_tx_power(struct wiphy *wiphy,
2102 struct wireless_dev *wdev,
2103 int *dbm)
7643a2c3
JB		 2104{
2105 struct ieee80211_local *local = wiphy_priv(wiphy);
1ea6f9c0 2106 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7643a2c3 2107
1ea6f9c0
JB		 2108 if (!local->use_chanctx)
2109 *dbm = local->hw.conf.power_level;
2110 else
2111 *dbm = sdata->vif.bss_conf.txpower;
7643a2c3 2112
7643a2c3
JB		 2113 return 0;
2114}
2115
ab737a4f 2116static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2117 const u8 *addr)
ab737a4f
JB		 2118{
2119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2120
2121 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2122
2123 return 0;
2124}
2125
1f87f7d3
JB		 2126static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2127{
2128 struct ieee80211_local *local = wiphy_priv(wiphy);
2129
2130 drv_rfkill_poll(local);
2131}
2132
aff89a9b 2133#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2134static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2135{
2136 struct ieee80211_local *local = wiphy_priv(wiphy);
2137
2138 if (!local->ops->testmode_cmd)
2139 return -EOPNOTSUPP;
2140
2141 return local->ops->testmode_cmd(&local->hw, data, len);
2142}
71063f0e
WYG		 2143
2144static int ieee80211_testmode_dump(struct wiphy *wiphy,
2145 struct sk_buff *skb,
2146 struct netlink_callback *cb,
2147 void *data, int len)
2148{
2149 struct ieee80211_local *local = wiphy_priv(wiphy);
2150
2151 if (!local->ops->testmode_dump)
2152 return -EOPNOTSUPP;
2153
2154 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2155}
aff89a9b
JB		 2156#endif
2157
0f78231b
JB		 2158int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2159 enum ieee80211_smps_mode smps_mode)
2160{
2161 const u8 *ap;
2162 enum ieee80211_smps_mode old_req;
2163 int err;
2164
243e6df4
JB		 2165 lockdep_assert_held(&sdata->u.mgd.mtx);
2166
0f78231b
JB		 2167 old_req = sdata->u.mgd.req_smps;
2168 sdata->u.mgd.req_smps = smps_mode;
2169
2170 if (old_req == smps_mode &&
2171 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2172 return 0;
2173
2174 /*
2175 * If not associated, or current association is not an HT
04ecd257
JB		 2176 * association, there's no need to do anything, just store
2177 * the new value until we associate.
0f78231b
JB		 2178 */
2179 if (!sdata->u.mgd.associated ||
4bf88530 2180 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
0f78231b 2181 return 0;
0f78231b 2182
0c1ad2ca 2183 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2184
2185 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2186 if (sdata->u.mgd.powersave)
2187 smps_mode = IEEE80211_SMPS_DYNAMIC;
2188 else
2189 smps_mode = IEEE80211_SMPS_OFF;
2190 }
2191
2192 /* send SM PS frame to AP */
2193 err = ieee80211_send_smps_action(sdata, smps_mode,
2194 ap, ap);
2195 if (err)
2196 sdata->u.mgd.req_smps = old_req;
2197
2198 return err;
2199}
2200
bc92afd9
JB		 2201static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2202 bool enabled, int timeout)
2203{
2204 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2205 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2206
e5de30c9
BP		 2207 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2208 return -EOPNOTSUPP;
2209
bc92afd9
JB		 2210 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2211 return -EOPNOTSUPP;
2212
2213 if (enabled == sdata->u.mgd.powersave &&
ff616381 2214 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2215 return 0;
2216
2217 sdata->u.mgd.powersave = enabled;
ff616381 2218 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2219
0f78231b
JB		 2220 /* no change, but if automatic follow powersave */
2221 mutex_lock(&sdata->u.mgd.mtx);
2222 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2223 mutex_unlock(&sdata->u.mgd.mtx);
2224
bc92afd9
JB		 2225 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2226 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2227
2228 ieee80211_recalc_ps(local, -1);
ab095877 2229 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2230
2231 return 0;
2232}
2233
a97c13c3
JO		 2234static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2235 struct net_device *dev,
2236 s32 rssi_thold, u32 rssi_hyst)
2237{
2238 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2239 struct ieee80211_vif *vif = &sdata->vif;
2240 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2241
a97c13c3
JO		 2242 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2243 rssi_hyst == bss_conf->cqm_rssi_hyst)
2244 return 0;
2245
2246 bss_conf->cqm_rssi_thold = rssi_thold;
2247 bss_conf->cqm_rssi_hyst = rssi_hyst;
2248
2249 /* tell the driver upon association, unless already associated */
ea086359
JB		 2250 if (sdata->u.mgd.associated &&
2251 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2252 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2253
2254 return 0;
2255}
2256
9930380f
JB		 2257static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2258 struct net_device *dev,
2259 const u8 *addr,
2260 const struct cfg80211_bitrate_mask *mask)
2261{
2262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2263 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2264 int i, ret;
2c7e6bc9 2265
554a43d5
EP		 2266 if (!ieee80211_sdata_running(sdata))
2267 return -ENETDOWN;
2268
bdbfd6b5
SM		 2269 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2270 ret = drv_set_bitrate_mask(local, sdata, mask);
2271 if (ret)
2272 return ret;
2273 }
9930380f 2274
19468413 2275 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2276 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2277 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2278 sizeof(mask->control[i].mcs));
2279 }
9930380f 2280
37eb0b16 2281 return 0;
9930380f
JB		 2282}
2283
2eb278e0
JB		 2284static int ieee80211_start_roc_work(struct ieee80211_local *local,
2285 struct ieee80211_sub_if_data *sdata,
2286 struct ieee80211_channel *channel,
2eb278e0
JB		 2287 unsigned int duration, u64 *cookie,
2288 struct sk_buff *txskb)
2289{
2290 struct ieee80211_roc_work *roc, *tmp;
2291 bool queued = false;
21f83589 2292 int ret;
21f83589
JB		 2293
2294 lockdep_assert_held(&local->mtx);
2295
fe57d9f5
JB		 2296 if (local->use_chanctx && !local->ops->remain_on_channel)
2297 return -EOPNOTSUPP;
2298
2eb278e0
JB		 2299 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2300 if (!roc)
2301 return -ENOMEM;
2302
2303 roc->chan = channel;
2eb278e0
JB		 2304 roc->duration = duration;
2305 roc->req_duration = duration;
2306 roc->frame = txskb;
2307 roc->mgmt_tx_cookie = (unsigned long)txskb;
2308 roc->sdata = sdata;
2309 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2310 INIT_LIST_HEAD(&roc->dependents);
2311
2312 /* if there's one pending or we're scanning, queue this one */
2313 if (!list_empty(&local->roc_list) || local->scanning)
2314 goto out_check_combine;
2315
2316 /* if not HW assist, just queue & schedule work */
2317 if (!local->ops->remain_on_channel) {
2318 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2319 goto out_queue;
2320 }
2321
2322 /* otherwise actually kick it off here (for error handling) */
2323
2324 /*
2325 * If the duration is zero, then the driver
2326 * wouldn't actually do anything. Set it to
2327 * 10 for now.
2328 *
2329 * TODO: cancel the off-channel operation
2330 * when we get the SKB's TX status and
2331 * the wait time was zero before.
2332 */
2333 if (!duration)
2334 duration = 10;
2335
42d97a59 2336 ret = drv_remain_on_channel(local, sdata, channel, duration);
21f83589 2337 if (ret) {
2eb278e0
JB		 2338 kfree(roc);
2339 return ret;
21f83589
JB		 2340 }
2341
2eb278e0
JB		 2342 roc->started = true;
2343 goto out_queue;
2344
2345 out_check_combine:
2346 list_for_each_entry(tmp, &local->roc_list, list) {
42d97a59 2347 if (tmp->chan != channel || tmp->sdata != sdata)
2eb278e0
JB		 2348 continue;
2349
2350 /*
2351 * Extend this ROC if possible:
2352 *
2353 * If it hasn't started yet, just increase the duration
2354 * and add the new one to the list of dependents.
2355 */
2356 if (!tmp->started) {
2357 list_add_tail(&roc->list, &tmp->dependents);
2358 tmp->duration = max(tmp->duration, roc->duration);
2359 queued = true;
2360 break;
2361 }
2362
2363 /* If it has already started, it's more difficult ... */
2364 if (local->ops->remain_on_channel) {
2365 unsigned long j = jiffies;
2366
2367 /*
2368 * In the offloaded ROC case, if it hasn't begun, add
2369 * this new one to the dependent list to be handled
2370 * when the the master one begins. If it has begun,
2371 * check that there's still a minimum time left and
2372 * if so, start this one, transmitting the frame, but
2373 * add it to the list directly after this one with a
2374 * a reduced time so we'll ask the driver to execute
2375 * it right after finishing the previous one, in the
2376 * hope that it'll also be executed right afterwards,
2377 * effectively extending the old one.
2378 * If there's no minimum time left, just add it to the
2379 * normal list.
2380 */
2381 if (!tmp->hw_begun) {
2382 list_add_tail(&roc->list, &tmp->dependents);
2383 queued = true;
2384 break;
2385 }
2386
2387 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2388 tmp->hw_start_time +
2389 msecs_to_jiffies(tmp->duration))) {
2390 int new_dur;
2391
2392 ieee80211_handle_roc_started(roc);
2393
2394 new_dur = roc->duration -
2395 jiffies_to_msecs(tmp->hw_start_time +
2396 msecs_to_jiffies(
2397 tmp->duration) -
2398 j);
2399
2400 if (new_dur > 0) {
2401 /* add right after tmp */
2402 list_add(&roc->list, &tmp->list);
2403 } else {
2404 list_add_tail(&roc->list,
2405 &tmp->dependents);
2406 }
2407 queued = true;
2408 }
2409 } else if (del_timer_sync(&tmp->work.timer)) {
2410 unsigned long new_end;
2411
2412 /*
2413 * In the software ROC case, cancel the timer, if
2414 * that fails then the finish work is already
2415 * queued/pending and thus we queue the new ROC
2416 * normally, if that succeeds then we can extend
2417 * the timer duration and TX the frame (if any.)
2418 */
2419
2420 list_add_tail(&roc->list, &tmp->dependents);
2421 queued = true;
2422
2423 new_end = jiffies + msecs_to_jiffies(roc->duration);
2424
2425 /* ok, it was started & we canceled timer */
2426 if (time_after(new_end, tmp->work.timer.expires))
2427 mod_timer(&tmp->work.timer, new_end);
2428 else
2429 add_timer(&tmp->work.timer);
2430
2431 ieee80211_handle_roc_started(roc);
2432 }
2433 break;
2434 }
2435
2436 out_queue:
2437 if (!queued)
2438 list_add_tail(&roc->list, &local->roc_list);
2439
2440 /*
50febf6a 2441 * cookie is either the roc cookie (for normal roc)
2eb278e0
JB		 2442 * or the SKB (for mgmt TX)
2443 */
50febf6a
JB		 2444 if (!txskb) {
2445 /* local->mtx protects this */
2446 local->roc_cookie_counter++;
2447 roc->cookie = local->roc_cookie_counter;
2448 /* wow, you wrapped 64 bits ... more likely a bug */
2449 if (WARN_ON(roc->cookie == 0)) {
2450 roc->cookie = 1;
2451 local->roc_cookie_counter++;
2452 }
2453 *cookie = roc->cookie;
2454 } else {
2eb278e0 2455 *cookie = (unsigned long)txskb;
50febf6a 2456 }
2eb278e0
JB		 2457
2458 return 0;
21f83589
JB		 2459}
2460
b8bc4b0a 2461static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2462 struct wireless_dev *wdev,
b8bc4b0a 2463 struct ieee80211_channel *chan,
b8bc4b0a
JB		 2464 unsigned int duration,
2465 u64 *cookie)
2466{
71bbc994 2467 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2468 struct ieee80211_local *local = sdata->local;
2eb278e0 2469 int ret;
21f83589 2470
2eb278e0 2471 mutex_lock(&local->mtx);
42d97a59 2472 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2473 duration, cookie, NULL);
2474 mutex_unlock(&local->mtx);
b8bc4b0a 2475
2eb278e0 2476 return ret;
b8bc4b0a
JB		 2477}
2478
2eb278e0
JB		 2479static int ieee80211_cancel_roc(struct ieee80211_local *local,
2480 u64 cookie, bool mgmt_tx)
21f83589 2481{
2eb278e0 2482 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2483 int ret;
2484
2eb278e0
JB		 2485 mutex_lock(&local->mtx);
2486 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2487 struct ieee80211_roc_work *dep, *tmp2;
2488
2489 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
50febf6a 2490 if (!mgmt_tx && dep->cookie != cookie)
e979e33c
JB		 2491 continue;
2492 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2493 continue;
2494 /* found dependent item -- just remove it */
2495 list_del(&dep->list);
2496 mutex_unlock(&local->mtx);
2497
2498 ieee80211_roc_notify_destroy(dep);
2499 return 0;
2500 }
2501
50febf6a 2502 if (!mgmt_tx && roc->cookie != cookie)
2eb278e0
JB		 2503 continue;
2504 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2505 continue;
21f83589 2506
2eb278e0
JB		 2507 found = roc;
2508 break;
2509 }
21f83589 2510
2eb278e0
JB		 2511 if (!found) {
2512 mutex_unlock(&local->mtx);
2513 return -ENOENT;
2514 }
21f83589 2515
e979e33c
JB		 2516 /*
2517 * We found the item to cancel, so do that. Note that it
2518 * may have dependents, which we also cancel (and send
2519 * the expired signal for.) Not doing so would be quite
2520 * tricky here, but we may need to fix it later.
2521 */
2522
2eb278e0
JB		 2523 if (local->ops->remain_on_channel) {
2524 if (found->started) {
2525 ret = drv_cancel_remain_on_channel(local);
2526 if (WARN_ON_ONCE(ret)) {
2527 mutex_unlock(&local->mtx);
2528 return ret;
2529 }
2530 }
21f83589 2531
2eb278e0 2532 list_del(&found->list);
21f83589 2533
0f6b3f59
JB		 2534 if (found->started)
2535 ieee80211_start_next_roc(local);
2eb278e0 2536 mutex_unlock(&local->mtx);
21f83589 2537
2eb278e0
JB		 2538 ieee80211_roc_notify_destroy(found);
2539 } else {
2540 /* work may be pending so use it all the time */
2541 found->abort = true;
2542 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2543
21f83589
JB		 2544 mutex_unlock(&local->mtx);
2545
2eb278e0
JB		 2546 /* work will clean up etc */
2547 flush_delayed_work(&found->work);
21f83589 2548 }
b8bc4b0a 2549
2eb278e0 2550 return 0;
b8bc4b0a
JB		 2551}
2552
2eb278e0 2553static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2554 struct wireless_dev *wdev,
2eb278e0 2555 u64 cookie)
f30221e4 2556{
71bbc994 2557 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2558 struct ieee80211_local *local = sdata->local;
f30221e4 2559
2eb278e0 2560 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2561}
2562
71bbc994 2563static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2564 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 2565 unsigned int wait, const u8 *buf, size_t len,
2566 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
026331c4 2567{
71bbc994 2568 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2569 struct ieee80211_local *local = sdata->local;
2570 struct sk_buff *skb;
2571 struct sta_info *sta;
2572 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2573 bool need_offchan = false;
e247bd90 2574 u32 flags;
2eb278e0 2575 int ret;
f7ca38df 2576
e247bd90
JB		 2577 if (dont_wait_for_ack)
2578 flags = IEEE80211_TX_CTL_NO_ACK;
2579 else
2580 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2581 IEEE80211_TX_CTL_REQ_TX_STATUS;
2582
aad14ceb
RM		 2583 if (no_cck)
2584 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2585
9d38d85d
JB		 2586 switch (sdata->vif.type) {
2587 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2588 if (!sdata->vif.bss_conf.ibss_joined)
2589 need_offchan = true;
2590 /* fall through */
2591#ifdef CONFIG_MAC80211_MESH
2592 case NL80211_IFTYPE_MESH_POINT:
2593 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2594 !sdata->u.mesh.mesh_id_len)
2595 need_offchan = true;
2596 /* fall through */
2597#endif
663fcafd
JB		 2598 case NL80211_IFTYPE_AP:
2599 case NL80211_IFTYPE_AP_VLAN:
2600 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2601 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2602 !ieee80211_vif_is_mesh(&sdata->vif) &&
2603 !rcu_access_pointer(sdata->bss->beacon))
2604 need_offchan = true;
663fcafd
JB		 2605 if (!ieee80211_is_action(mgmt->frame_control) ||
2606 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2607 break;
2608 rcu_read_lock();
2609 sta = sta_info_get(sdata, mgmt->da);
2610 rcu_read_unlock();
2611 if (!sta)
2612 return -ENOLINK;
2613 break;
2614 case NL80211_IFTYPE_STATION:
663fcafd 2615 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2616 if (!sdata->u.mgd.associated)
2617 need_offchan = true;
9d38d85d 2618 break;
f142c6b9
JB		 2619 case NL80211_IFTYPE_P2P_DEVICE:
2620 need_offchan = true;
2621 break;
9d38d85d
JB		 2622 default:
2623 return -EOPNOTSUPP;
2624 }
2625
2eb278e0
JB		 2626 mutex_lock(&local->mtx);
2627
2628 /* Check if the operating channel is the requested channel */
2629 if (!need_offchan) {
55de908a
JB		 2630 struct ieee80211_chanctx_conf *chanctx_conf;
2631
2632 rcu_read_lock();
2633 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2634
42d97a59 2635 if (chanctx_conf)
4bf88530 2636 need_offchan = chan != chanctx_conf->def.chan;
42d97a59 2637 else
2eb278e0 2638 need_offchan = true;
55de908a 2639 rcu_read_unlock();
2eb278e0
JB		 2640 }
2641
2642 if (need_offchan && !offchan) {
2643 ret = -EBUSY;
2644 goto out_unlock;
2645 }
2646
9d38d85d 2647 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2648 if (!skb) {
2649 ret = -ENOMEM;
2650 goto out_unlock;
2651 }
9d38d85d
JB		 2652 skb_reserve(skb, local->hw.extra_tx_headroom);
2653
2654 memcpy(skb_put(skb, len), buf, len);
2655
2656 IEEE80211_SKB_CB(skb)->flags = flags;
2657
2658 skb->dev = sdata->dev;
9d38d85d 2659
2eb278e0 2660 if (!need_offchan) {
7f9f78ab 2661 *cookie = (unsigned long) skb;
f30221e4 2662 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2663 ret = 0;
2664 goto out_unlock;
f30221e4
JB		 2665 }
2666
2eb278e0
JB		 2667 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2668 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2669 IEEE80211_SKB_CB(skb)->hw_queue =
2670 local->hw.offchannel_tx_hw_queue;
f30221e4 2671
2eb278e0 2672 /* This will handle all kinds of coalescing and immediate TX */
42d97a59 2673 ret = ieee80211_start_roc_work(local, sdata, chan,
2eb278e0
JB		 2674 wait, cookie, skb);
2675 if (ret)
2676 kfree_skb(skb);
2677 out_unlock:
2678 mutex_unlock(&local->mtx);
2679 return ret;
026331c4
JM		 2680}
2681
f30221e4 2682static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2683 struct wireless_dev *wdev,
f30221e4
JB		 2684 u64 cookie)
2685{
71bbc994 2686 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2687
2eb278e0 2688 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2689}
2690
7be5086d 2691static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2692 struct wireless_dev *wdev,
7be5086d
JB		 2693 u16 frame_type, bool reg)
2694{
2695 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2696 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2697
6abe0563
WH		 2698 switch (frame_type) {
2699 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2700 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2701 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2702
6abe0563
WH		 2703 if (reg)
2704 ifibss->auth_frame_registrations++;
2705 else
2706 ifibss->auth_frame_registrations--;
2707 }
2708 break;
2709 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2710 if (reg)
2711 local->probe_req_reg++;
2712 else
2713 local->probe_req_reg--;
7be5086d 2714
35f5149e
FF		 2715 if (!local->open_count)
2716 break;
2717
6abe0563
WH		 2718 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2719 break;
2720 default:
2721 break;
2722 }
7be5086d
JB		 2723}
2724
15d96753
BR		 2725static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2726{
2727 struct ieee80211_local *local = wiphy_priv(wiphy);
2728
2729 if (local->started)
2730 return -EOPNOTSUPP;
2731
2732 return drv_set_antenna(local, tx_ant, rx_ant);
2733}
2734
2735static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2736{
2737 struct ieee80211_local *local = wiphy_priv(wiphy);
2738
2739 return drv_get_antenna(local, tx_ant, rx_ant);
2740}
2741
38c09159
JL		 2742static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2743{
2744 struct ieee80211_local *local = wiphy_priv(wiphy);
2745
2746 return drv_set_ringparam(local, tx, rx);
2747}
2748
2749static void ieee80211_get_ringparam(struct wiphy *wiphy,
2750 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2751{
2752 struct ieee80211_local *local = wiphy_priv(wiphy);
2753
2754 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2755}
2756
c68f4b89
JB		 2757static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2758 struct net_device *dev,
2759 struct cfg80211_gtk_rekey_data *data)
2760{
2761 struct ieee80211_local *local = wiphy_priv(wiphy);
2762 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2763
2764 if (!local->ops->set_rekey_data)
2765 return -EOPNOTSUPP;
2766
2767 drv_set_rekey_data(local, sdata, data);
2768
2769 return 0;
2770}
2771
dfe018bf
AN		 2772static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2773{
2774 u8 *pos = (void *)skb_put(skb, 7);
2775
2776 *pos++ = WLAN_EID_EXT_CAPABILITY;
2777 *pos++ = 5; /* len */
2778 *pos++ = 0x0;
2779 *pos++ = 0x0;
2780 *pos++ = 0x0;
2781 *pos++ = 0x0;
2782 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2783}
2784
2785static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2786{
2787 struct ieee80211_local *local = sdata->local;
2788 u16 capab;
2789
2790 capab = 0;
55de908a 2791 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN		 2792 return capab;
2793
2794 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2795 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2796 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2797 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2798
2799 return capab;
2800}
2801
2802static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2803 u8 *peer, u8 *bssid)
2804{
2805 struct ieee80211_tdls_lnkie *lnkid;
2806
2807 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2808
2809 lnkid->ie_type = WLAN_EID_LINK_ID;
2810 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2811
2812 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2813 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2814 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2815}
2816
2817static int
2818ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2819 u8 *peer, u8 action_code, u8 dialog_token,
2820 u16 status_code, struct sk_buff *skb)
2821{
2822 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2823 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2824 struct ieee80211_tdls_data *tf;
2825
2826 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2827
2828 memcpy(tf->da, peer, ETH_ALEN);
2829 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2830 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2831 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2832
2833 switch (action_code) {
2834 case WLAN_TDLS_SETUP_REQUEST:
2835 tf->category = WLAN_CATEGORY_TDLS;
2836 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2837
2838 skb_put(skb, sizeof(tf->u.setup_req));
2839 tf->u.setup_req.dialog_token = dialog_token;
2840 tf->u.setup_req.capability =
2841 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2842
55de908a
JB		 2843 ieee80211_add_srates_ie(sdata, skb, false, band);
2844 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2845 ieee80211_tdls_add_ext_capab(skb);
2846 break;
2847 case WLAN_TDLS_SETUP_RESPONSE:
2848 tf->category = WLAN_CATEGORY_TDLS;
2849 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2850
2851 skb_put(skb, sizeof(tf->u.setup_resp));
2852 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2853 tf->u.setup_resp.dialog_token = dialog_token;
2854 tf->u.setup_resp.capability =
2855 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2856
55de908a
JB		 2857 ieee80211_add_srates_ie(sdata, skb, false, band);
2858 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2859 ieee80211_tdls_add_ext_capab(skb);
2860 break;
2861 case WLAN_TDLS_SETUP_CONFIRM:
2862 tf->category = WLAN_CATEGORY_TDLS;
2863 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2864
2865 skb_put(skb, sizeof(tf->u.setup_cfm));
2866 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2867 tf->u.setup_cfm.dialog_token = dialog_token;
2868 break;
2869 case WLAN_TDLS_TEARDOWN:
2870 tf->category = WLAN_CATEGORY_TDLS;
2871 tf->action_code = WLAN_TDLS_TEARDOWN;
2872
2873 skb_put(skb, sizeof(tf->u.teardown));
2874 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2875 break;
2876 case WLAN_TDLS_DISCOVERY_REQUEST:
2877 tf->category = WLAN_CATEGORY_TDLS;
2878 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2879
2880 skb_put(skb, sizeof(tf->u.discover_req));
2881 tf->u.discover_req.dialog_token = dialog_token;
2882 break;
2883 default:
2884 return -EINVAL;
2885 }
2886
2887 return 0;
2888}
2889
2890static int
2891ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2892 u8 *peer, u8 action_code, u8 dialog_token,
2893 u16 status_code, struct sk_buff *skb)
2894{
2895 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2896 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN		 2897 struct ieee80211_mgmt *mgmt;
2898
2899 mgmt = (void *)skb_put(skb, 24);
2900 memset(mgmt, 0, 24);
2901 memcpy(mgmt->da, peer, ETH_ALEN);
2902 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2903 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2904
2905 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2906 IEEE80211_STYPE_ACTION);
2907
2908 switch (action_code) {
2909 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2910 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2911 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2912 mgmt->u.action.u.tdls_discover_resp.action_code =
2913 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2914 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2915 dialog_token;
2916 mgmt->u.action.u.tdls_discover_resp.capability =
2917 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2918
55de908a
JB		 2919 ieee80211_add_srates_ie(sdata, skb, false, band);
2920 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN		 2921 ieee80211_tdls_add_ext_capab(skb);
2922 break;
2923 default:
2924 return -EINVAL;
2925 }
2926
2927 return 0;
2928}
2929
2930static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2931 u8 *peer, u8 action_code, u8 dialog_token,
2932 u16 status_code, const u8 *extra_ies,
2933 size_t extra_ies_len)
2934{
2935 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2936 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2937 struct sk_buff *skb = NULL;
2938 bool send_direct;
2939 int ret;
2940
2941 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2942 return -ENOTSUPP;
2943
2944 /* make sure we are in managed mode, and associated */
2945 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2946 !sdata->u.mgd.associated)
2947 return -EINVAL;
2948
bdcbd8e0
JB		 2949 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2950 action_code, peer);
dfe018bf
AN		 2951
2952 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2953 max(sizeof(struct ieee80211_mgmt),
2954 sizeof(struct ieee80211_tdls_data)) +
2955 50 + /* supported rates */
2956 7 + /* ext capab */
2957 extra_ies_len +
2958 sizeof(struct ieee80211_tdls_lnkie));
2959 if (!skb)
2960 return -ENOMEM;
2961
dfe018bf
AN		 2962 skb_reserve(skb, local->hw.extra_tx_headroom);
2963
2964 switch (action_code) {
2965 case WLAN_TDLS_SETUP_REQUEST:
2966 case WLAN_TDLS_SETUP_RESPONSE:
2967 case WLAN_TDLS_SETUP_CONFIRM:
2968 case WLAN_TDLS_TEARDOWN:
2969 case WLAN_TDLS_DISCOVERY_REQUEST:
2970 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2971 action_code, dialog_token,
2972 status_code, skb);
2973 send_direct = false;
2974 break;
2975 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2976 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2977 dialog_token, status_code,
2978 skb);
2979 send_direct = true;
2980 break;
2981 default:
2982 ret = -ENOTSUPP;
2983 break;
2984 }
2985
2986 if (ret < 0)
2987 goto fail;
2988
2989 if (extra_ies_len)
2990 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2991
2992 /* the TDLS link IE is always added last */
2993 switch (action_code) {
2994 case WLAN_TDLS_SETUP_REQUEST:
2995 case WLAN_TDLS_SETUP_CONFIRM:
2996 case WLAN_TDLS_TEARDOWN:
2997 case WLAN_TDLS_DISCOVERY_REQUEST:
2998 /* we are the initiator */
2999 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3000 sdata->u.mgd.bssid);
3001 break;
3002 case WLAN_TDLS_SETUP_RESPONSE:
3003 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3004 /* we are the responder */
3005 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3006 sdata->u.mgd.bssid);
3007 break;
3008 default:
3009 ret = -ENOTSUPP;
3010 goto fail;
3011 }
3012
3013 if (send_direct) {
3014 ieee80211_tx_skb(sdata, skb);
3015 return 0;
3016 }
3017
3018 /*
3019 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3020 * we should default to AC_VI.
3021 */
3022 switch (action_code) {
3023 case WLAN_TDLS_SETUP_REQUEST:
3024 case WLAN_TDLS_SETUP_RESPONSE:
3025 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3026 skb->priority = 2;
3027 break;
3028 default:
3029 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3030 skb->priority = 5;
3031 break;
3032 }
3033
3034 /* disable bottom halves when entering the Tx path */
3035 local_bh_disable();
3036 ret = ieee80211_subif_start_xmit(skb, dev);
3037 local_bh_enable();
3038
3039 return ret;
3040
3041fail:
3042 dev_kfree_skb(skb);
3043 return ret;
3044}
3045
3046static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3047 u8 *peer, enum nl80211_tdls_operation oper)
3048{
941c93cd 3049 struct sta_info *sta;
dfe018bf
AN		 3050 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3051
3052 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3053 return -ENOTSUPP;
3054
3055 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3056 return -EINVAL;
3057
bdcbd8e0 3058 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 3059
3060 switch (oper) {
3061 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 3062 rcu_read_lock();
3063 sta = sta_info_get(sdata, peer);
3064 if (!sta) {
3065 rcu_read_unlock();
3066 return -ENOLINK;
3067 }
3068
c2c98fde 3069 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 3070 rcu_read_unlock();
dfe018bf
AN		 3071 break;
3072 case NL80211_TDLS_DISABLE_LINK:
3073 return sta_info_destroy_addr(sdata, peer);
3074 case NL80211_TDLS_TEARDOWN:
3075 case NL80211_TDLS_SETUP:
3076 case NL80211_TDLS_DISCOVERY_REQ:
3077 /* We don't support in-driver setup/teardown/discovery */
3078 return -ENOTSUPP;
3079 default:
3080 return -ENOTSUPP;
3081 }
3082
3083 return 0;
3084}
3085
06500736
JB		 3086static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3087 const u8 *peer, u64 *cookie)
3088{
3089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3090 struct ieee80211_local *local = sdata->local;
3091 struct ieee80211_qos_hdr *nullfunc;
3092 struct sk_buff *skb;
3093 int size = sizeof(*nullfunc);
3094 __le16 fc;
3095 bool qos;
3096 struct ieee80211_tx_info *info;
3097 struct sta_info *sta;
55de908a
JB		 3098 struct ieee80211_chanctx_conf *chanctx_conf;
3099 enum ieee80211_band band;
06500736
JB		 3100
3101 rcu_read_lock();
55de908a
JB		 3102 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3103 if (WARN_ON(!chanctx_conf)) {
3104 rcu_read_unlock();
3105 return -EINVAL;
3106 }
4bf88530 3107 band = chanctx_conf->def.chan->band;
06500736 3108 sta = sta_info_get(sdata, peer);
b4487c2d 3109 if (sta) {
06500736 3110 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 3111 } else {
3112 rcu_read_unlock();
06500736 3113 return -ENOLINK;
b4487c2d 3114 }
06500736
JB		 3115
3116 if (qos) {
3117 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3118 IEEE80211_STYPE_QOS_NULLFUNC |
3119 IEEE80211_FCTL_FROMDS);
3120 } else {
3121 size -= 2;
3122 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3123 IEEE80211_STYPE_NULLFUNC |
3124 IEEE80211_FCTL_FROMDS);
3125 }
3126
3127 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB		 3128 if (!skb) {
3129 rcu_read_unlock();
06500736 3130 return -ENOMEM;
55de908a 3131 }
06500736
JB		 3132
3133 skb->dev = dev;
3134
3135 skb_reserve(skb, local->hw.extra_tx_headroom);
3136
3137 nullfunc = (void *) skb_put(skb, size);
3138 nullfunc->frame_control = fc;
3139 nullfunc->duration_id = 0;
3140 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3141 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3142 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3143 nullfunc->seq_ctrl = 0;
3144
3145 info = IEEE80211_SKB_CB(skb);
3146
3147 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3148 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3149
3150 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3151 skb->priority = 7;
3152 if (qos)
3153 nullfunc->qos_ctrl = cpu_to_le16(7);
3154
3155 local_bh_disable();
55de908a 3156 ieee80211_xmit(sdata, skb, band);
06500736 3157 local_bh_enable();
55de908a 3158 rcu_read_unlock();
06500736
JB		 3159
3160 *cookie = (unsigned long) skb;
3161 return 0;
3162}
3163
683b6d3b
JB		 3164static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3165 struct wireless_dev *wdev,
3166 struct cfg80211_chan_def *chandef)
5b7ccaf3 3167{
55de908a
JB		 3168 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3169 struct ieee80211_chanctx_conf *chanctx_conf;
683b6d3b 3170 int ret = -ENODATA;
55de908a
JB		 3171
3172 rcu_read_lock();
3173 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3174 if (chanctx_conf) {
4bf88530 3175 *chandef = chanctx_conf->def;
683b6d3b 3176 ret = 0;
55de908a
JB		 3177 }
3178 rcu_read_unlock();
5b7ccaf3 3179
683b6d3b 3180 return ret;
5b7ccaf3
JB		 3181}
3182
6d52563f
JB		 3183#ifdef CONFIG_PM
3184static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3185{
3186 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3187}
3188#endif
3189
f0706e82
JB		 3190struct cfg80211_ops mac80211_config_ops = {
3191 .add_virtual_intf = ieee80211_add_iface,
3192 .del_virtual_intf = ieee80211_del_iface,
42613db7 3193 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3194 .start_p2p_device = ieee80211_start_p2p_device,
3195 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3196 .add_key = ieee80211_add_key,
3197 .del_key = ieee80211_del_key,
62da92fb 3198 .get_key = ieee80211_get_key,
e8cbb4cb 3199 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3200 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3201 .start_ap = ieee80211_start_ap,
3202 .change_beacon = ieee80211_change_beacon,
3203 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3204 .add_station = ieee80211_add_station,
3205 .del_station = ieee80211_del_station,
3206 .change_station = ieee80211_change_station,
7bbdd2d9 3207 .get_station = ieee80211_get_station,
c5dd9c2b 3208 .dump_station = ieee80211_dump_station,
1289723e 3209 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3210#ifdef CONFIG_MAC80211_MESH
3211 .add_mpath = ieee80211_add_mpath,
3212 .del_mpath = ieee80211_del_mpath,
3213 .change_mpath = ieee80211_change_mpath,
3214 .get_mpath = ieee80211_get_mpath,
3215 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3216 .update_mesh_config = ieee80211_update_mesh_config,
3217 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3218 .join_mesh = ieee80211_join_mesh,
3219 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3220#endif
9f1ba906 3221 .change_bss = ieee80211_change_bss,
31888487 3222 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3223 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3224 .suspend = ieee80211_suspend,
3225 .resume = ieee80211_resume,
2a519311 3226 .scan = ieee80211_scan,
79f460ca
LC		 3227 .sched_scan_start = ieee80211_sched_scan_start,
3228 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3229 .auth = ieee80211_auth,
3230 .assoc = ieee80211_assoc,
3231 .deauth = ieee80211_deauth,
3232 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3233 .join_ibss = ieee80211_join_ibss,
3234 .leave_ibss = ieee80211_leave_ibss,
391e53e3 3235 .set_mcast_rate = ieee80211_set_mcast_rate,
b9a5f8ca 3236 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3237 .set_tx_power = ieee80211_set_tx_power,
3238 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3239 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3240 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3241 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3242 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3243 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3244 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3245 .remain_on_channel = ieee80211_remain_on_channel,
3246 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3247 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3248 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3249 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3250 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3251 .set_antenna = ieee80211_set_antenna,
3252 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3253 .set_ringparam = ieee80211_set_ringparam,
3254 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3255 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3256 .tdls_oper = ieee80211_tdls_oper,
3257 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3258 .probe_client = ieee80211_probe_client,
b53be792 3259 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3260#ifdef CONFIG_PM
3261 .set_wakeup = ieee80211_set_wakeup,
3262#endif
b1ab7925
BG		 3263 .get_et_sset_count = ieee80211_get_et_sset_count,
3264 .get_et_stats = ieee80211_get_et_stats,
3265 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3266 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3267};
Linux kernel - Deliverables
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