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mac80211: track whether to use channel contexts
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
552bff0c
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB		 25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB		 28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW		 31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB		 44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB		 51}
52
e36d56b6
JB		 53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC		 55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB		 65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL		 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
76 /*
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
83 */
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 return -EBUSY;
87
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
91
92 ieee80211_configure_filter(local);
93 } else {
94 /*
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
98 */
99 sdata->u.mntr_flags = *flags;
100 }
101 }
f7917af9 102
42613db7
JB		 103 return 0;
104}
105
f142c6b9
JB		 106static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
108{
109 return ieee80211_do_open(wdev, true);
110}
111
112static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
116}
117
b53be792
SW		 118static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
120 u16 noack_map)
121{
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
123
124 sdata->noack_map = noack_map;
125 return 0;
126}
127
e8cbb4cb 128static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 129 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 130 struct key_params *params)
131{
26a58456 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 133 struct sta_info *sta = NULL;
db4d1169 134 struct ieee80211_key *key;
3b96766f 135 int err;
e8cbb4cb 136
26a58456 137 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 138 return -ENETDOWN;
139
97359d12 140 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 143 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
146 return -EINVAL;
3cfcf6ac 147 break;
e8cbb4cb 148 default:
97359d12 149 break;
e8cbb4cb
JB		 150 }
151
97359d12
JB		 152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 154 if (IS_ERR(key))
155 return PTR_ERR(key);
db4d1169 156
e31b8213
JB		 157 if (pairwise)
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
159
ad0e2b5a 160 mutex_lock(&sdata->local->sta_mtx);
3b96766f 161
e8cbb4cb 162 if (mac_addr) {
ff973af7
TP		 163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
165 else
166 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 167 if (!sta) {
32162a4d 168 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 169 err = -ENOENT;
170 goto out_unlock;
db4d1169 171 }
e8cbb4cb
JB		 172 }
173
e548c49e
JB		 174 switch (sdata->vif.type) {
175 case NL80211_IFTYPE_STATION:
176 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
177 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
178 break;
179 case NL80211_IFTYPE_AP:
180 case NL80211_IFTYPE_AP_VLAN:
181 /* Keys without a station are used for TX only */
182 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
183 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
184 break;
185 case NL80211_IFTYPE_ADHOC:
186 /* no MFP (yet) */
187 break;
188 case NL80211_IFTYPE_MESH_POINT:
189#ifdef CONFIG_MAC80211_MESH
190 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
191 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
192 break;
193#endif
194 case NL80211_IFTYPE_WDS:
195 case NL80211_IFTYPE_MONITOR:
196 case NL80211_IFTYPE_P2P_DEVICE:
197 case NL80211_IFTYPE_UNSPECIFIED:
198 case NUM_NL80211_IFTYPES:
199 case NL80211_IFTYPE_P2P_CLIENT:
200 case NL80211_IFTYPE_P2P_GO:
201 /* shouldn't happen */
202 WARN_ON_ONCE(1);
203 break;
204 }
205
3ffc2a90
JB		 206 err = ieee80211_key_link(key, sdata, sta);
207 if (err)
208 ieee80211_key_free(sdata->local, key);
db4d1169 209
3b96766f 210 out_unlock:
ad0e2b5a 211 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 212
213 return err;
e8cbb4cb
JB		 214}
215
216static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 217 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 218{
5c0c3641
JB		 219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
220 struct ieee80211_local *local = sdata->local;
e8cbb4cb 221 struct sta_info *sta;
5c0c3641 222 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 223 int ret;
224
5c0c3641
JB		 225 mutex_lock(&local->sta_mtx);
226 mutex_lock(&local->key_mtx);
3b96766f 227
e8cbb4cb 228 if (mac_addr) {
3b96766f
JB		 229 ret = -ENOENT;
230
0e5ded5a 231 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 232 if (!sta)
3b96766f 233 goto out_unlock;
e8cbb4cb 234
5c0c3641 235 if (pairwise)
40b275b6 236 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 237 else
40b275b6 238 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 239 } else
40b275b6 240 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 241
5c0c3641 242 if (!key) {
3b96766f
JB		 243 ret = -ENOENT;
244 goto out_unlock;
245 }
e8cbb4cb 246
5c0c3641 247 __ieee80211_key_free(key);
e8cbb4cb 248
3b96766f
JB		 249 ret = 0;
250 out_unlock:
5c0c3641
JB		 251 mutex_unlock(&local->key_mtx);
252 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 253
254 return ret;
e8cbb4cb
JB		 255}
256
62da92fb 257static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 258 u8 key_idx, bool pairwise, const u8 *mac_addr,
259 void *cookie,
62da92fb
JB		 260 void (*callback)(void *cookie,
261 struct key_params *params))
262{
14db74bc 263 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 264 struct sta_info *sta = NULL;
265 u8 seq[6] = {0};
266 struct key_params params;
e31b8213 267 struct ieee80211_key *key = NULL;
aba83a0b 268 u64 pn64;
62da92fb
JB		 269 u32 iv32;
270 u16 iv16;
271 int err = -ENOENT;
272
14db74bc
JB		 273 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
274
3b96766f
JB		 275 rcu_read_lock();
276
62da92fb 277 if (mac_addr) {
0e5ded5a 278 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 279 if (!sta)
280 goto out;
281
e31b8213 282 if (pairwise)
a3836e02 283 key = rcu_dereference(sta->ptk);
e31b8213 284 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 285 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 286 } else
a3836e02 287 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 288
289 if (!key)
290 goto out;
291
292 memset(&params, 0, sizeof(params));
293
97359d12 294 params.cipher = key->conf.cipher;
62da92fb 295
97359d12
JB		 296 switch (key->conf.cipher) {
297 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 298 iv32 = key->u.tkip.tx.iv32;
299 iv16 = key->u.tkip.tx.iv16;
62da92fb 300
24487981
JB		 301 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
302 drv_get_tkip_seq(sdata->local,
303 key->conf.hw_key_idx,
304 &iv32, &iv16);
62da92fb
JB		 305
306 seq[0] = iv16 & 0xff;
307 seq[1] = (iv16 >> 8) & 0xff;
308 seq[2] = iv32 & 0xff;
309 seq[3] = (iv32 >> 8) & 0xff;
310 seq[4] = (iv32 >> 16) & 0xff;
311 seq[5] = (iv32 >> 24) & 0xff;
312 params.seq = seq;
313 params.seq_len = 6;
314 break;
97359d12 315 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 316 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
317 seq[0] = pn64;
318 seq[1] = pn64 >> 8;
319 seq[2] = pn64 >> 16;
320 seq[3] = pn64 >> 24;
321 seq[4] = pn64 >> 32;
322 seq[5] = pn64 >> 40;
62da92fb
JB		 323 params.seq = seq;
324 params.seq_len = 6;
325 break;
97359d12 326 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 327 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
328 seq[0] = pn64;
329 seq[1] = pn64 >> 8;
330 seq[2] = pn64 >> 16;
331 seq[3] = pn64 >> 24;
332 seq[4] = pn64 >> 32;
333 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 334 params.seq = seq;
335 params.seq_len = 6;
336 break;
62da92fb
JB		 337 }
338
339 params.key = key->conf.key;
340 params.key_len = key->conf.keylen;
341
342 callback(cookie, &params);
343 err = 0;
344
345 out:
3b96766f 346 rcu_read_unlock();
62da92fb
JB		 347 return err;
348}
349
e8cbb4cb
JB		 350static int ieee80211_config_default_key(struct wiphy *wiphy,
351 struct net_device *dev,
dbd2fd65
JB		 352 u8 key_idx, bool uni,
353 bool multi)
e8cbb4cb 354{
ad0e2b5a 355 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 356
f7e0104c 357 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 358
359 return 0;
360}
361
3cfcf6ac
JM		 362static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
363 struct net_device *dev,
364 u8 key_idx)
365{
66c52421 366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 367
3cfcf6ac
JM		 368 ieee80211_set_default_mgmt_key(sdata, key_idx);
369
3cfcf6ac
JM		 370 return 0;
371}
372
3af6334c
FF		 373static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
374{
375 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
376 struct ieee80211_supported_band *sband;
377 sband = sta->local->hw.wiphy->bands[
679ef4ea 378 sta->local->oper_channel->band];
3af6334c
FF		 379 rate->legacy = sband->bitrates[idx].bitrate;
380 } else
381 rate->mcs = idx;
382}
383
6b62bf32
TP		 384void sta_set_rate_info_tx(struct sta_info *sta,
385 const struct ieee80211_tx_rate *rate,
386 struct rate_info *rinfo)
387{
388 rinfo->flags = 0;
389 if (rate->flags & IEEE80211_TX_RC_MCS)
390 rinfo->flags |= RATE_INFO_FLAGS_MCS;
391 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
392 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
393 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
394 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
395 rate_idx_to_bitrate(rinfo, sta, rate->idx);
396}
397
c5dd9c2b
LCC		 398static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
399{
d0709a65 400 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 401 struct ieee80211_local *local = sdata->local;
ebe27c91 402 struct timespec uptime;
c5dd9c2b 403
f5ea9120
JB		 404 sinfo->generation = sdata->local->sta_generation;
405
c5dd9c2b
LCC		 406 sinfo->filled = STATION_INFO_INACTIVE_TIME |
407 STATION_INFO_RX_BYTES |
420e7fab 408 STATION_INFO_TX_BYTES |
98c8a60a
JM		 409 STATION_INFO_RX_PACKETS |
410 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 411 STATION_INFO_TX_RETRIES |
412 STATION_INFO_TX_FAILED |
5a5c731a 413 STATION_INFO_TX_BITRATE |
3af6334c 414 STATION_INFO_RX_BITRATE |
f4263c98 415 STATION_INFO_RX_DROP_MISC |
ebe27c91 416 STATION_INFO_BSS_PARAM |
7a724767 417 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 418 STATION_INFO_STA_FLAGS |
419 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 420
421 do_posix_clock_monotonic_gettime(&uptime);
422 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 423
424 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
425 sinfo->rx_bytes = sta->rx_bytes;
426 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 427 sinfo->rx_packets = sta->rx_packets;
428 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 429 sinfo->tx_retries = sta->tx_retry_count;
430 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 431 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 432 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 433
19deffbe
JL		 434 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
435 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 436 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 437 if (!local->ops->get_rssi ||
438 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
439 sinfo->signal = (s8)sta->last_signal;
541a45a1 440 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 441 }
442
6b62bf32 443 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 444
445 sinfo->rxrate.flags = 0;
446 if (sta->last_rx_rate_flag & RX_FLAG_HT)
447 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
448 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
449 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
450 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
451 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
452 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 453
902acc78 454 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 455#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 456 sinfo->filled |= STATION_INFO_LLID |
457 STATION_INFO_PLID |
458 STATION_INFO_PLINK_STATE;
459
460 sinfo->llid = le16_to_cpu(sta->llid);
461 sinfo->plid = le16_to_cpu(sta->plid);
462 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 463 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
464 sinfo->filled |= STATION_INFO_T_OFFSET;
465 sinfo->t_offset = sta->t_offset;
466 }
c5dd9c2b 467#endif
902acc78 468 }
f4263c98
PS		 469
470 sinfo->bss_param.flags = 0;
471 if (sdata->vif.bss_conf.use_cts_prot)
472 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
473 if (sdata->vif.bss_conf.use_short_preamble)
474 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
475 if (sdata->vif.bss_conf.use_short_slot)
476 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
477 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
478 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 479
480 sinfo->sta_flags.set = 0;
481 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
482 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
483 BIT(NL80211_STA_FLAG_WME) |
484 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 485 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
486 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 487 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
488 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
489 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
490 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
491 if (test_sta_flag(sta, WLAN_STA_WME))
492 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
493 if (test_sta_flag(sta, WLAN_STA_MFP))
494 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
495 if (test_sta_flag(sta, WLAN_STA_AUTH))
496 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 497 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
498 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 499}
500
b1ab7925
BG		 501static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
502 "rx_packets", "rx_bytes", "wep_weak_iv_count",
503 "rx_duplicates", "rx_fragments", "rx_dropped",
504 "tx_packets", "tx_bytes", "tx_fragments",
505 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 506 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
507 "channel", "noise", "ch_time", "ch_time_busy",
508 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 509};
510#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
511
512static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
513 struct net_device *dev,
514 int sset)
515{
e352114f
BG		 516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
517 int rv = 0;
518
b1ab7925 519 if (sset == ETH_SS_STATS)
e352114f
BG		 520 rv += STA_STATS_LEN;
521
522 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 523
e352114f
BG		 524 if (rv == 0)
525 return -EOPNOTSUPP;
526 return rv;
b1ab7925
BG		 527}
528
529static void ieee80211_get_et_stats(struct wiphy *wiphy,
530 struct net_device *dev,
531 struct ethtool_stats *stats,
532 u64 *data)
533{
534 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
535 struct sta_info *sta;
536 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 537 struct station_info sinfo;
538 struct survey_info survey;
539 int i, q;
540#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 541
542 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
543
544#define ADD_STA_STATS(sta) \
545 do { \
546 data[i++] += sta->rx_packets; \
547 data[i++] += sta->rx_bytes; \
548 data[i++] += sta->wep_weak_iv_count; \
549 data[i++] += sta->num_duplicates; \
550 data[i++] += sta->rx_fragments; \
551 data[i++] += sta->rx_dropped; \
552 \
553 data[i++] += sta->tx_packets; \
554 data[i++] += sta->tx_bytes; \
555 data[i++] += sta->tx_fragments; \
556 data[i++] += sta->tx_filtered_count; \
557 data[i++] += sta->tx_retry_failed; \
558 data[i++] += sta->tx_retry_count; \
559 data[i++] += sta->beacon_loss_count; \
560 } while (0)
561
562 /* For Managed stations, find the single station based on BSSID
563 * and use that. For interface types, iterate through all available
564 * stations and add stats for any station that is assigned to this
565 * network device.
566 */
567
66572cfc 568 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 569
570 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
571 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 572
573 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
574 goto do_survey;
575
576 i = 0;
577 ADD_STA_STATS(sta);
578
579 data[i++] = sta->sta_state;
580
581 sinfo.filled = 0;
582 sta_set_sinfo(sta, &sinfo);
583
5204267d 584 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 585 data[i] = 100000 *
586 cfg80211_calculate_bitrate(&sinfo.txrate);
587 i++;
5204267d 588 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 589 data[i] = 100000 *
590 cfg80211_calculate_bitrate(&sinfo.rxrate);
591 i++;
592
5204267d 593 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 594 data[i] = (u8)sinfo.signal_avg;
595 i++;
b1ab7925 596 } else {
66572cfc 597 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 598 /* Make sure this station belongs to the proper dev */
599 if (sta->sdata->dev != dev)
600 continue;
601
602 i = 0;
603 ADD_STA_STATS(sta);
b1ab7925
BG		 604 }
605 }
606
3073a7c2
BG		 607do_survey:
608 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
609 /* Get survey stats for current channel */
610 q = 0;
611 while (true) {
612 survey.filled = 0;
613 if (drv_get_survey(local, q, &survey) != 0) {
614 survey.filled = 0;
615 break;
616 }
617
618 if (survey.channel &&
619 (local->oper_channel->center_freq ==
620 survey.channel->center_freq))
621 break;
622 q++;
623 }
624
625 if (survey.filled)
626 data[i++] = survey.channel->center_freq;
627 else
628 data[i++] = 0;
629 if (survey.filled & SURVEY_INFO_NOISE_DBM)
630 data[i++] = (u8)survey.noise;
631 else
632 data[i++] = -1LL;
633 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
634 data[i++] = survey.channel_time;
635 else
636 data[i++] = -1LL;
637 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
638 data[i++] = survey.channel_time_busy;
639 else
640 data[i++] = -1LL;
641 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
642 data[i++] = survey.channel_time_ext_busy;
643 else
644 data[i++] = -1LL;
645 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
646 data[i++] = survey.channel_time_rx;
647 else
648 data[i++] = -1LL;
649 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
650 data[i++] = survey.channel_time_tx;
651 else
652 data[i++] = -1LL;
653
66572cfc 654 mutex_unlock(&local->sta_mtx);
e352114f 655
3073a7c2
BG		 656 if (WARN_ON(i != STA_STATS_LEN))
657 return;
658
e352114f 659 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 660}
661
662static void ieee80211_get_et_strings(struct wiphy *wiphy,
663 struct net_device *dev,
664 u32 sset, u8 *data)
665{
e352114f
BG		 666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667 int sz_sta_stats = 0;
668
b1ab7925 669 if (sset == ETH_SS_STATS) {
e352114f 670 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 671 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
672 }
e352114f 673 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 674}
c5dd9c2b
LCC		 675
676static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
677 int idx, u8 *mac, struct station_info *sinfo)
678{
3b53fde8 679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 680 struct ieee80211_local *local = sdata->local;
c5dd9c2b 681 struct sta_info *sta;
d0709a65
JB		 682 int ret = -ENOENT;
683
66572cfc 684 mutex_lock(&local->sta_mtx);
c5dd9c2b 685
3b53fde8 686 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 687 if (sta) {
688 ret = 0;
17741cdc 689 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 690 sta_set_sinfo(sta, sinfo);
691 }
c5dd9c2b 692
66572cfc 693 mutex_unlock(&local->sta_mtx);
c5dd9c2b 694
d0709a65 695 return ret;
c5dd9c2b
LCC		 696}
697
1289723e
HS		 698static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
699 int idx, struct survey_info *survey)
700{
701 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
702
1289723e
HS		 703 return drv_get_survey(local, idx, survey);
704}
705
7bbdd2d9 706static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 707 u8 *mac, struct station_info *sinfo)
7bbdd2d9 708{
abe60632 709 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 710 struct ieee80211_local *local = sdata->local;
7bbdd2d9 711 struct sta_info *sta;
d0709a65 712 int ret = -ENOENT;
7bbdd2d9 713
66572cfc 714 mutex_lock(&local->sta_mtx);
7bbdd2d9 715
0e5ded5a 716 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 717 if (sta) {
718 ret = 0;
719 sta_set_sinfo(sta, sinfo);
720 }
721
66572cfc 722 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 723
724 return ret;
7bbdd2d9
JB		 725}
726
3d9e6e12
JB		 727static int ieee80211_set_channel(struct wiphy *wiphy,
728 struct net_device *netdev,
729 struct ieee80211_channel *chan,
730 enum nl80211_channel_type channel_type)
731{
732 struct ieee80211_local *local = wiphy_priv(wiphy);
733 struct ieee80211_sub_if_data *sdata = NULL;
734
735 if (netdev)
736 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
737
738 switch (ieee80211_get_channel_mode(local, NULL)) {
739 case CHAN_MODE_HOPPING:
740 return -EBUSY;
741 case CHAN_MODE_FIXED:
ac4d82fa
PF		 742 if (local->oper_channel != chan ||
743 (!sdata && local->_oper_channel_type != channel_type))
3d9e6e12
JB		 744 return -EBUSY;
745 if (!sdata && local->_oper_channel_type == channel_type)
746 return 0;
747 break;
748 case CHAN_MODE_UNDEFINED:
749 break;
750 }
751
752 if (!ieee80211_set_channel_type(local, sdata, channel_type))
753 return -EBUSY;
754
755 local->oper_channel = chan;
756
757 /* auto-detects changes */
758 ieee80211_hw_config(local, 0);
759
760 return 0;
761}
762
e8c9bd5b
JB		 763static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
764 struct ieee80211_channel *chan,
765 enum nl80211_channel_type channel_type)
766{
767 return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
768}
769
02945821 770static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 771 const u8 *resp, size_t resp_len)
02945821 772{
aa7a0080 773 struct probe_resp *new, *old;
02945821
AN		 774
775 if (!resp || !resp_len)
aba4e6ff 776 return 1;
02945821 777
f724828b 778 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 779
aa7a0080 780 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 781 if (!new)
782 return -ENOMEM;
783
aa7a0080
ES		 784 new->len = resp_len;
785 memcpy(new->data, resp, resp_len);
02945821
AN		 786
787 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 788 if (old)
789 kfree_rcu(old, rcu_head);
02945821
AN		 790
791 return 0;
792}
793
8860020e
JB		 794static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
795 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 796{
797 struct beacon_data *new, *old;
798 int new_head_len, new_tail_len;
8860020e
JB		 799 int size, err;
800 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 801
40b275b6 802 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 803
5dfdaf58
JB		 804 /* Need to have a beacon head if we don't have one yet */
805 if (!params->head && !old)
8860020e 806 return -EINVAL;
5dfdaf58
JB		 807
808 /* new or old head? */
809 if (params->head)
810 new_head_len = params->head_len;
811 else
812 new_head_len = old->head_len;
813
814 /* new or old tail? */
815 if (params->tail || !old)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len = params->tail_len;
818 else
819 new_tail_len = old->tail_len;
820
821 size = sizeof(*new) + new_head_len + new_tail_len;
822
823 new = kzalloc(size, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 /* start filling the new info now */
828
5dfdaf58
JB		 829 /*
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
832 */
833 new->head = ((u8 *) new) + sizeof(*new);
834 new->tail = new->head + new_head_len;
835 new->head_len = new_head_len;
836 new->tail_len = new_tail_len;
837
838 /* copy in head */
839 if (params->head)
840 memcpy(new->head, params->head, new_head_len);
841 else
842 memcpy(new->head, old->head, new_head_len);
843
844 /* copy in optional tail */
845 if (params->tail)
846 memcpy(new->tail, params->tail, new_tail_len);
847 else
848 if (old)
849 memcpy(new->tail, old->tail, new_tail_len);
850
02945821
AN		 851 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
852 params->probe_resp_len);
8860020e
JB		 853 if (err < 0)
854 return err;
855 if (err == 0)
02945821
AN		 856 changed |= BSS_CHANGED_AP_PROBE_RESP;
857
8860020e
JB		 858 rcu_assign_pointer(sdata->u.ap.beacon, new);
859
860 if (old)
861 kfree_rcu(old, rcu_head);
7827493b 862
8860020e 863 return changed;
5dfdaf58
JB		 864}
865
8860020e
JB		 866static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
867 struct cfg80211_ap_settings *params)
5dfdaf58 868{
8860020e 869 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 870 struct beacon_data *old;
665c93a9 871 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 872 u32 changed = BSS_CHANGED_BEACON_INT |
873 BSS_CHANGED_BEACON_ENABLED |
874 BSS_CHANGED_BEACON |
875 BSS_CHANGED_SSID;
876 int err;
14db74bc 877
40b275b6 878 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 879 if (old)
880 return -EALREADY;
881
aa430da4
JB		 882 err = ieee80211_set_channel(wiphy, dev, params->channel,
883 params->channel_type);
884 if (err)
885 return err;
886
665c93a9
JB		 887 /*
888 * Apply control port protocol, this allows us to
889 * not encrypt dynamic WEP control frames.
890 */
891 sdata->control_port_protocol = params->crypto.control_port_ethertype;
892 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
893 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
894 vlan->control_port_protocol =
895 params->crypto.control_port_ethertype;
896 vlan->control_port_no_encrypt =
897 params->crypto.control_port_no_encrypt;
898 }
899
8860020e
JB		 900 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
901 sdata->vif.bss_conf.dtim_period = params->dtim_period;
902
903 sdata->vif.bss_conf.ssid_len = params->ssid_len;
904 if (params->ssid_len)
905 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
906 params->ssid_len);
907 sdata->vif.bss_conf.hidden_ssid =
908 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
909
910 err = ieee80211_assign_beacon(sdata, &params->beacon);
911 if (err < 0)
912 return err;
913 changed |= err;
914
915 ieee80211_bss_info_change_notify(sdata, changed);
916
3edaf3e6
JB		 917 netif_carrier_on(dev);
918 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
919 netif_carrier_on(vlan->dev);
920
665c93a9 921 return 0;
5dfdaf58
JB		 922}
923
8860020e
JB		 924static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
925 struct cfg80211_beacon_data *params)
5dfdaf58 926{
14db74bc 927 struct ieee80211_sub_if_data *sdata;
5dfdaf58 928 struct beacon_data *old;
8860020e 929 int err;
5dfdaf58 930
14db74bc
JB		 931 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
932
40b275b6 933 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 934 if (!old)
935 return -ENOENT;
936
8860020e
JB		 937 err = ieee80211_assign_beacon(sdata, params);
938 if (err < 0)
939 return err;
940 ieee80211_bss_info_change_notify(sdata, err);
941 return 0;
5dfdaf58
JB		 942}
943
8860020e 944static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 945{
3edaf3e6 946 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 947 struct beacon_data *old;
948
14db74bc
JB		 949 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
950
40b275b6 951 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 952 if (!old)
953 return -ENOENT;
954
3edaf3e6
JB		 955 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
956 netif_carrier_off(vlan->dev);
957 netif_carrier_off(dev);
958
a9b3cd7f 959 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 960
961 kfree_rcu(old, rcu_head);
5dfdaf58 962
99102bd3 963 sta_info_flush(sdata->local, sdata);
2d0ddec5 964 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 965
2d0ddec5 966 return 0;
5dfdaf58
JB		 967}
968
4fd6931e
JB		 969/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
970struct iapp_layer2_update {
971 u8 da[ETH_ALEN]; /* broadcast */
972 u8 sa[ETH_ALEN]; /* STA addr */
973 __be16 len; /* 6 */
974 u8 dsap; /* 0 */
975 u8 ssap; /* 0 */
976 u8 control;
977 u8 xid_info[3];
bc10502d 978} __packed;
4fd6931e
JB		 979
980static void ieee80211_send_layer2_update(struct sta_info *sta)
981{
982 struct iapp_layer2_update *msg;
983 struct sk_buff *skb;
984
985 /* Send Level 2 Update Frame to update forwarding tables in layer 2
986 * bridge devices */
987
988 skb = dev_alloc_skb(sizeof(*msg));
989 if (!skb)
990 return;
991 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
992
993 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
994 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
995
e83e6541 996 eth_broadcast_addr(msg->da);
17741cdc 997 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 998 msg->len = htons(6);
999 msg->dsap = 0;
1000 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1001 msg->control = 0xaf; /* XID response lsb.1111F101.
1002 * F=0 (no poll command; unsolicited frame) */
1003 msg->xid_info[0] = 0x81; /* XID format identifier */
1004 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1005 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1006
d0709a65
JB		 1007 skb->dev = sta->sdata->dev;
1008 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1009 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1010 netif_rx_ni(skb);
4fd6931e
JB		 1011}
1012
d9a7ddb0
JB		 1013static int sta_apply_parameters(struct ieee80211_local *local,
1014 struct sta_info *sta,
1015 struct station_parameters *params)
4fd6931e 1016{
d9a7ddb0 1017 int ret = 0;
4fd6931e
JB		 1018 u32 rates;
1019 int i, j;
8318d78a 1020 struct ieee80211_supported_band *sband;
d0709a65 1021 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 1022 u32 mask, set;
4fd6931e 1023
ae5eb026
JB		 1024 sband = local->hw.wiphy->bands[local->oper_channel->band];
1025
eccb8e8f
JB		 1026 mask = params->sta_flags_mask;
1027 set = params->sta_flags_set;
73651ee6 1028
d9a7ddb0
JB		 1029 /*
1030 * In mesh mode, we can clear AUTHENTICATED flag but must
1031 * also make ASSOCIATED follow appropriately for the driver
1032 * API. See also below, after AUTHORIZED changes.
1033 */
1034 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1035 /* cfg80211 should not allow this in non-mesh modes */
1036 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1037 return -EINVAL;
1038
1039 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1040 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1041 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1042 if (ret)
1043 return ret;
83d5cc01 1044 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1045 if (ret)
1046 return ret;
1047 }
1048 }
1049
eccb8e8f 1050 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1051 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1052 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1053 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1054 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1055 if (ret)
1056 return ret;
1057 }
1058
1059 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1060 /* cfg80211 should not allow this in non-mesh modes */
1061 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1062 return -EINVAL;
1063
1064 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1065 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1066 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1067 if (ret)
1068 return ret;
83d5cc01 1069 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1070 if (ret)
1071 return ret;
1072 }
eccb8e8f 1073 }
4fd6931e 1074
d9a7ddb0 1075
eccb8e8f 1076 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1077 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1078 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1079 else
1080 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1081 }
4fd6931e 1082
eccb8e8f 1083 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1084 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1085 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1086 sta->sta.wme = true;
c2c98fde
JB		 1087 } else {
1088 clear_sta_flag(sta, WLAN_STA_WME);
1089 sta->sta.wme = false;
39df600a 1090 }
eccb8e8f 1091 }
5394af4d 1092
eccb8e8f 1093 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1094 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1095 set_sta_flag(sta, WLAN_STA_MFP);
1096 else
1097 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1098 }
b39c48fa 1099
07ba55d7 1100 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1101 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1102 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1103 else
1104 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1105 }
4fd6931e 1106
3b9ce80c
JB		 1107 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1108 sta->sta.uapsd_queues = params->uapsd_queues;
1109 sta->sta.max_sp = params->max_sp;
1110 }
9533b4ac 1111
51b50fbe
JB		 1112 /*
1113 * cfg80211 validates this (1-2007) and allows setting the AID
1114 * only when creating a new station entry
1115 */
1116 if (params->aid)
1117 sta->sta.aid = params->aid;
1118
73651ee6
JB		 1119 /*
1120 * FIXME: updating the following information is racy when this
1121 * function is called from ieee80211_change_station().
1122 * However, all this information should be static so
1123 * maybe we should just reject attemps to change it.
1124 */
1125
4fd6931e
JB		 1126 if (params->listen_interval >= 0)
1127 sta->listen_interval = params->listen_interval;
1128
1129 if (params->supported_rates) {
1130 rates = 0;
8318d78a 1131
4fd6931e
JB		 1132 for (i = 0; i < params->supported_rates_len; i++) {
1133 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1134 for (j = 0; j < sband->n_bitrates; j++) {
1135 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1136 rates |= BIT(j);
1137 }
1138 }
323ce79a 1139 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1140 }
c5dd9c2b 1141
d9fe60de 1142 if (params->ht_capa)
ef96a842 1143 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1144 params->ht_capa,
d9fe60de 1145 &sta->sta.ht_cap);
36aedc90 1146
9c3990aa 1147 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1148#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1149 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1150 switch (params->plink_state) {
57cf8043
JC		 1151 case NL80211_PLINK_LISTEN:
1152 case NL80211_PLINK_ESTAB:
1153 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1154 sta->plink_state = params->plink_state;
1155 break;
1156 default:
1157 /* nothing */
1158 break;
1159 }
1160 else
1161 switch (params->plink_action) {
1162 case PLINK_ACTION_OPEN:
1163 mesh_plink_open(sta);
1164 break;
1165 case PLINK_ACTION_BLOCK:
1166 mesh_plink_block(sta);
1167 break;
1168 }
4daf50f2 1169#endif
902acc78 1170 }
d9a7ddb0
JB		 1171
1172 return 0;
4fd6931e
JB		 1173}
1174
1175static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1176 u8 *mac, struct station_parameters *params)
1177{
14db74bc 1178 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1179 struct sta_info *sta;
1180 struct ieee80211_sub_if_data *sdata;
73651ee6 1181 int err;
b8d476c8 1182 int layer2_update;
4fd6931e 1183
4fd6931e
JB		 1184 if (params->vlan) {
1185 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1186
05c914fe
JB		 1187 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1188 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1189 return -EINVAL;
1190 } else
1191 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1192
b203ca39 1193 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1194 return -EINVAL;
1195
1196 if (is_multicast_ether_addr(mac))
1197 return -EINVAL;
1198
1199 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1200 if (!sta)
1201 return -ENOMEM;
4fd6931e 1202
83d5cc01
JB		 1203 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1204 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1205
d9a7ddb0
JB		 1206 err = sta_apply_parameters(local, sta, params);
1207 if (err) {
1208 sta_info_free(local, sta);
1209 return err;
1210 }
4fd6931e 1211
d64cf63e
AN		 1212 /*
1213 * for TDLS, rate control should be initialized only when supported
1214 * rates are known.
1215 */
1216 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1217 rate_control_rate_init(sta);
4fd6931e 1218
b8d476c8
JM		 1219 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1220 sdata->vif.type == NL80211_IFTYPE_AP;
1221
34e89507 1222 err = sta_info_insert_rcu(sta);
73651ee6 1223 if (err) {
73651ee6
JB		 1224 rcu_read_unlock();
1225 return err;
1226 }
1227
b8d476c8 1228 if (layer2_update)
73651ee6
JB		 1229 ieee80211_send_layer2_update(sta);
1230
1231 rcu_read_unlock();
1232
4fd6931e
JB		 1233 return 0;
1234}
1235
1236static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1237 u8 *mac)
1238{
14db74bc
JB		 1239 struct ieee80211_local *local = wiphy_priv(wiphy);
1240 struct ieee80211_sub_if_data *sdata;
4fd6931e 1241
14db74bc
JB		 1242 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1243
34e89507
JB		 1244 if (mac)
1245 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1246
34e89507 1247 sta_info_flush(local, sdata);
4fd6931e
JB		 1248 return 0;
1249}
1250
1251static int ieee80211_change_station(struct wiphy *wiphy,
1252 struct net_device *dev,
1253 u8 *mac,
1254 struct station_parameters *params)
1255{
abe60632 1256 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1257 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1258 struct sta_info *sta;
1259 struct ieee80211_sub_if_data *vlansdata;
35b88623 1260 int err;
4fd6931e 1261
87be1e1e 1262 mutex_lock(&local->sta_mtx);
98dd6a57 1263
0e5ded5a 1264 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1265 if (!sta) {
87be1e1e 1266 mutex_unlock(&local->sta_mtx);
4fd6931e 1267 return -ENOENT;
98dd6a57 1268 }
4fd6931e 1269
bdd90d5e
JB		 1270 /* in station mode, supported rates are only valid with TDLS */
1271 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1272 params->supported_rates &&
1273 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1274 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1275 return -EINVAL;
1276 }
1277
d0709a65 1278 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1279 bool prev_4addr = false;
1280 bool new_4addr = false;
1281
4fd6931e
JB		 1282 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1283
05c914fe
JB		 1284 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1285 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1286 mutex_unlock(&local->sta_mtx);
4fd6931e 1287 return -EINVAL;
98dd6a57 1288 }
4fd6931e 1289
9bc383de 1290 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1291 if (vlansdata->u.vlan.sta) {
87be1e1e 1292 mutex_unlock(&local->sta_mtx);
f14543ee 1293 return -EBUSY;
3305443c 1294 }
f14543ee 1295
cf778b00 1296 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1297 new_4addr = true;
1298 }
1299
1300 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1301 sta->sdata->u.vlan.sta) {
1302 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1303 prev_4addr = true;
f14543ee
FF		 1304 }
1305
14db74bc 1306 sta->sdata = vlansdata;
7e3ed02c
FF		 1307
1308 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1309 prev_4addr != new_4addr) {
1310 if (new_4addr)
1311 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1312 else
1313 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1314 }
1315
4fd6931e
JB		 1316 ieee80211_send_layer2_update(sta);
1317 }
1318
35b88623
EP		 1319 err = sta_apply_parameters(local, sta, params);
1320 if (err) {
1321 mutex_unlock(&local->sta_mtx);
1322 return err;
1323 }
4fd6931e 1324
d64cf63e
AN		 1325 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1326 rate_control_rate_init(sta);
1327
87be1e1e 1328 mutex_unlock(&local->sta_mtx);
98dd6a57 1329
808118cb 1330 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1331 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1332 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1333 ieee80211_recalc_ps_vif(sdata);
1334 }
4fd6931e
JB		 1335 return 0;
1336}
1337
c5dd9c2b
LCC		 1338#ifdef CONFIG_MAC80211_MESH
1339static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1340 u8 *dst, u8 *next_hop)
1341{
14db74bc 1342 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1343 struct mesh_path *mpath;
1344 struct sta_info *sta;
1345 int err;
1346
14db74bc
JB		 1347 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1348
d0709a65 1349 rcu_read_lock();
abe60632 1350 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1351 if (!sta) {
1352 rcu_read_unlock();
c5dd9c2b 1353 return -ENOENT;
d0709a65 1354 }
c5dd9c2b 1355
f698d856 1356 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1357 if (err) {
1358 rcu_read_unlock();
c5dd9c2b 1359 return err;
d0709a65 1360 }
c5dd9c2b 1361
f698d856 1362 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1363 if (!mpath) {
1364 rcu_read_unlock();
c5dd9c2b
LCC		 1365 return -ENXIO;
1366 }
1367 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1368
c5dd9c2b
LCC		 1369 rcu_read_unlock();
1370 return 0;
1371}
1372
1373static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1374 u8 *dst)
1375{
f698d856
JBG		 1376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1377
c5dd9c2b 1378 if (dst)
f698d856 1379 return mesh_path_del(dst, sdata);
c5dd9c2b 1380
ece1a2e7 1381 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1382 return 0;
1383}
1384
1385static int ieee80211_change_mpath(struct wiphy *wiphy,
1386 struct net_device *dev,
1387 u8 *dst, u8 *next_hop)
1388{
14db74bc 1389 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1390 struct mesh_path *mpath;
1391 struct sta_info *sta;
1392
14db74bc
JB		 1393 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1394
d0709a65
JB		 1395 rcu_read_lock();
1396
abe60632 1397 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1398 if (!sta) {
1399 rcu_read_unlock();
c5dd9c2b 1400 return -ENOENT;
d0709a65 1401 }
c5dd9c2b 1402
f698d856 1403 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1404 if (!mpath) {
1405 rcu_read_unlock();
c5dd9c2b
LCC		 1406 return -ENOENT;
1407 }
1408
1409 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1410
c5dd9c2b
LCC		 1411 rcu_read_unlock();
1412 return 0;
1413}
1414
1415static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1416 struct mpath_info *pinfo)
1417{
a3836e02
JB		 1418 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1419
1420 if (next_hop_sta)
1421 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1422 else
1423 memset(next_hop, 0, ETH_ALEN);
1424
7ce8c7a3
LAYS		 1425 memset(pinfo, 0, sizeof(*pinfo));
1426
f5ea9120
JB		 1427 pinfo->generation = mesh_paths_generation;
1428
c5dd9c2b 1429 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1430 MPATH_INFO_SN |
c5dd9c2b
LCC		 1431 MPATH_INFO_METRIC |
1432 MPATH_INFO_EXPTIME |
1433 MPATH_INFO_DISCOVERY_TIMEOUT |
1434 MPATH_INFO_DISCOVERY_RETRIES |
1435 MPATH_INFO_FLAGS;
1436
1437 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1438 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1439 pinfo->metric = mpath->metric;
1440 if (time_before(jiffies, mpath->exp_time))
1441 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1442 pinfo->discovery_timeout =
1443 jiffies_to_msecs(mpath->discovery_timeout);
1444 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1445 if (mpath->flags & MESH_PATH_ACTIVE)
1446 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1447 if (mpath->flags & MESH_PATH_RESOLVING)
1448 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1449 if (mpath->flags & MESH_PATH_SN_VALID)
1450 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1451 if (mpath->flags & MESH_PATH_FIXED)
1452 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1453 if (mpath->flags & MESH_PATH_RESOLVED)
1454 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1455}
1456
1457static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1458 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1459
1460{
14db74bc 1461 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1462 struct mesh_path *mpath;
1463
14db74bc
JB		 1464 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1465
c5dd9c2b 1466 rcu_read_lock();
f698d856 1467 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1468 if (!mpath) {
1469 rcu_read_unlock();
1470 return -ENOENT;
1471 }
1472 memcpy(dst, mpath->dst, ETH_ALEN);
1473 mpath_set_pinfo(mpath, next_hop, pinfo);
1474 rcu_read_unlock();
1475 return 0;
1476}
1477
1478static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1479 int idx, u8 *dst, u8 *next_hop,
1480 struct mpath_info *pinfo)
1481{
14db74bc 1482 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1483 struct mesh_path *mpath;
1484
14db74bc
JB		 1485 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1486
c5dd9c2b 1487 rcu_read_lock();
f698d856 1488 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1489 if (!mpath) {
1490 rcu_read_unlock();
1491 return -ENOENT;
1492 }
1493 memcpy(dst, mpath->dst, ETH_ALEN);
1494 mpath_set_pinfo(mpath, next_hop, pinfo);
1495 rcu_read_unlock();
1496 return 0;
1497}
93da9cc1 1498
24bdd9f4 1499static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1500 struct net_device *dev,
1501 struct mesh_config *conf)
1502{
1503 struct ieee80211_sub_if_data *sdata;
1504 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1505
93da9cc1 1506 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1507 return 0;
1508}
1509
1510static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1511{
1512 return (mask >> (parm-1)) & 0x1;
1513}
1514
c80d545d
JC		 1515static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1516 const struct mesh_setup *setup)
1517{
1518 u8 *new_ie;
1519 const u8 *old_ie;
4bb62344
CYY		 1520 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1521 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1522
581a8b0f 1523 /* allocate information elements */
c80d545d 1524 new_ie = NULL;
581a8b0f 1525 old_ie = ifmsh->ie;
c80d545d 1526
581a8b0f
JC		 1527 if (setup->ie_len) {
1528 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1529 GFP_KERNEL);
1530 if (!new_ie)
1531 return -ENOMEM;
1532 }
581a8b0f
JC		 1533 ifmsh->ie_len = setup->ie_len;
1534 ifmsh->ie = new_ie;
1535 kfree(old_ie);
c80d545d
JC		 1536
1537 /* now copy the rest of the setup parameters */
1538 ifmsh->mesh_id_len = setup->mesh_id_len;
1539 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1540 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1541 ifmsh->mesh_pp_id = setup->path_sel_proto;
1542 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1543 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1544 if (setup->is_authenticated)
1545 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1546 if (setup->is_secure)
1547 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1548
4bb62344
CYY		 1549 /* mcast rate setting in Mesh Node */
1550 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1551 sizeof(setup->mcast_rate));
1552
c80d545d
JC		 1553 return 0;
1554}
1555
24bdd9f4 1556static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1557 struct net_device *dev, u32 mask,
1558 const struct mesh_config *nconf)
93da9cc1 1559{
1560 struct mesh_config *conf;
1561 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1562 struct ieee80211_if_mesh *ifmsh;
1563
93da9cc1 1564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1565 ifmsh = &sdata->u.mesh;
93da9cc1 1566
93da9cc1 1567 /* Set the config options which we are interested in setting */
1568 conf = &(sdata->u.mesh.mshcfg);
1569 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1570 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1571 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1572 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1573 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1574 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1575 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1576 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1577 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1578 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1579 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1580 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1581 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1582 conf->element_ttl = nconf->element_ttl;
93da9cc1 1583 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1584 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1585 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1586 conf->dot11MeshNbrOffsetMaxNeighbor =
1587 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1588 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1589 conf->dot11MeshHWMPmaxPREQretries =
1590 nconf->dot11MeshHWMPmaxPREQretries;
1591 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1592 conf->path_refresh_time = nconf->path_refresh_time;
1593 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1594 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1595 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1596 conf->dot11MeshHWMPactivePathTimeout =
1597 nconf->dot11MeshHWMPactivePathTimeout;
1598 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1599 conf->dot11MeshHWMPpreqMinInterval =
1600 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1602 conf->dot11MeshHWMPperrMinInterval =
1603 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1605 mask))
1606 conf->dot11MeshHWMPnetDiameterTraversalTime =
1607 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1608 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1609 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1610 ieee80211_mesh_root_setup(ifmsh);
1611 }
16dd7267 1612 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1613 /* our current gate announcement implementation rides on root
1614 * announcements, so require this ifmsh to also be a root node
1615 * */
1616 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1617 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1618 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1619 ieee80211_mesh_root_setup(ifmsh);
1620 }
16dd7267
JC		 1621 conf->dot11MeshGateAnnouncementProtocol =
1622 nconf->dot11MeshGateAnnouncementProtocol;
1623 }
a4f606ea 1624 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1625 conf->dot11MeshHWMPRannInterval =
1626 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1627 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1628 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1629 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1630 /* our RSSI threshold implementation is supported only for
1631 * devices that report signal in dBm.
1632 */
1633 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1634 return -ENOTSUPP;
1635 conf->rssi_threshold = nconf->rssi_threshold;
1636 }
70c33eaa
AN		 1637 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1638 conf->ht_opmode = nconf->ht_opmode;
1639 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1640 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1641 }
ac1073a6
CYY		 1642 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1643 conf->dot11MeshHWMPactivePathToRootTimeout =
1644 nconf->dot11MeshHWMPactivePathToRootTimeout;
1645 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1646 conf->dot11MeshHWMProotInterval =
1647 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1648 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1649 conf->dot11MeshHWMPconfirmationInterval =
1650 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1651 return 0;
1652}
1653
29cbe68c
JB		 1654static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1655 const struct mesh_config *conf,
1656 const struct mesh_setup *setup)
1657{
1658 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1659 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1660 int err;
29cbe68c 1661
c80d545d
JC		 1662 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1663 err = copy_mesh_setup(ifmsh, setup);
1664 if (err)
1665 return err;
cc1d2806
JB		 1666
1667 err = ieee80211_set_channel(wiphy, dev, setup->channel,
1668 setup->channel_type);
1669 if (err)
1670 return err;
1671
29cbe68c
JB		 1672 ieee80211_start_mesh(sdata);
1673
1674 return 0;
1675}
1676
1677static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1678{
1679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1680
1681 ieee80211_stop_mesh(sdata);
1682
1683 return 0;
1684}
c5dd9c2b
LCC		 1685#endif
1686
9f1ba906
JM		 1687static int ieee80211_change_bss(struct wiphy *wiphy,
1688 struct net_device *dev,
1689 struct bss_parameters *params)
1690{
9f1ba906
JM		 1691 struct ieee80211_sub_if_data *sdata;
1692 u32 changed = 0;
1693
9f1ba906
JM		 1694 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1695
9f1ba906 1696 if (params->use_cts_prot >= 0) {
bda3933a 1697 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1698 changed |= BSS_CHANGED_ERP_CTS_PROT;
1699 }
1700 if (params->use_short_preamble >= 0) {
bda3933a 1701 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1702 params->use_short_preamble;
1703 changed |= BSS_CHANGED_ERP_PREAMBLE;
1704 }
43d35343
FF		 1705
1706 if (!sdata->vif.bss_conf.use_short_slot &&
679ef4ea 1707 sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1708 sdata->vif.bss_conf.use_short_slot = true;
1709 changed |= BSS_CHANGED_ERP_SLOT;
1710 }
1711
9f1ba906 1712 if (params->use_short_slot_time >= 0) {
bda3933a 1713 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1714 params->use_short_slot_time;
1715 changed |= BSS_CHANGED_ERP_SLOT;
1716 }
1717
90c97a04
JM		 1718 if (params->basic_rates) {
1719 int i, j;
1720 u32 rates = 0;
1721 struct ieee80211_local *local = wiphy_priv(wiphy);
1722 struct ieee80211_supported_band *sband =
1723 wiphy->bands[local->oper_channel->band];
1724
1725 for (i = 0; i < params->basic_rates_len; i++) {
1726 int rate = (params->basic_rates[i] & 0x7f) * 5;
1727 for (j = 0; j < sband->n_bitrates; j++) {
1728 if (sband->bitrates[j].bitrate == rate)
1729 rates |= BIT(j);
1730 }
1731 }
1732 sdata->vif.bss_conf.basic_rates = rates;
1733 changed |= BSS_CHANGED_BASIC_RATES;
1734 }
1735
7b7b5e56
FF		 1736 if (params->ap_isolate >= 0) {
1737 if (params->ap_isolate)
1738 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1739 else
1740 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1741 }
1742
80d7e403
HS		 1743 if (params->ht_opmode >= 0) {
1744 sdata->vif.bss_conf.ht_operation_mode =
1745 (u16) params->ht_opmode;
1746 changed |= BSS_CHANGED_HT;
1747 }
1748
9f1ba906
JM		 1749 ieee80211_bss_info_change_notify(sdata, changed);
1750
1751 return 0;
1752}
1753
31888487 1754static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1755 struct net_device *dev,
31888487
JM		 1756 struct ieee80211_txq_params *params)
1757{
1758 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1760 struct ieee80211_tx_queue_params p;
1761
1762 if (!local->ops->conf_tx)
1763 return -EOPNOTSUPP;
1764
54bcbc69
JB		 1765 if (local->hw.queues < IEEE80211_NUM_ACS)
1766 return -EOPNOTSUPP;
1767
31888487
JM		 1768 memset(&p, 0, sizeof(p));
1769 p.aifs = params->aifs;
1770 p.cw_max = params->cwmax;
1771 p.cw_min = params->cwmin;
1772 p.txop = params->txop;
ab13315a
KV		 1773
1774 /*
1775 * Setting tx queue params disables u-apsd because it's only
1776 * called in master mode.
1777 */
1778 p.uapsd = false;
1779
a3304b0a
JB		 1780 sdata->tx_conf[params->ac] = p;
1781 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1782 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1783 "failed to set TX queue parameters for AC %d\n",
1784 params->ac);
31888487
JM		 1785 return -EINVAL;
1786 }
1787
7d25745d
JB		 1788 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1789
31888487
JM		 1790 return 0;
1791}
1792
665af4fc 1793#ifdef CONFIG_PM
ff1b6e69
JB		 1794static int ieee80211_suspend(struct wiphy *wiphy,
1795 struct cfg80211_wowlan *wowlan)
665af4fc 1796{
eecc4800 1797 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1798}
1799
1800static int ieee80211_resume(struct wiphy *wiphy)
1801{
1802 return __ieee80211_resume(wiphy_priv(wiphy));
1803}
1804#else
1805#define ieee80211_suspend NULL
1806#define ieee80211_resume NULL
1807#endif
1808
2a519311 1809static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1810 struct cfg80211_scan_request *req)
1811{
fd014284
JB		 1812 struct ieee80211_sub_if_data *sdata;
1813
1814 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1815
2ca27bcf
JB		 1816 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1817 case NL80211_IFTYPE_STATION:
1818 case NL80211_IFTYPE_ADHOC:
1819 case NL80211_IFTYPE_MESH_POINT:
1820 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1821 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1822 break;
1823 case NL80211_IFTYPE_P2P_GO:
1824 if (sdata->local->ops->hw_scan)
1825 break;
e9d7732e
JB		 1826 /*
1827 * FIXME: implement NoA while scanning in software,
1828 * for now fall through to allow scanning only when
1829 * beaconing hasn't been configured yet
1830 */
2ca27bcf
JB		 1831 case NL80211_IFTYPE_AP:
1832 if (sdata->u.ap.beacon)
1833 return -EOPNOTSUPP;
1834 break;
1835 default:
1836 return -EOPNOTSUPP;
1837 }
2a519311
JB		 1838
1839 return ieee80211_request_scan(sdata, req);
1840}
1841
79f460ca
LC		 1842static int
1843ieee80211_sched_scan_start(struct wiphy *wiphy,
1844 struct net_device *dev,
1845 struct cfg80211_sched_scan_request *req)
1846{
1847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1848
1849 if (!sdata->local->ops->sched_scan_start)
1850 return -EOPNOTSUPP;
1851
1852 return ieee80211_request_sched_scan_start(sdata, req);
1853}
1854
1855static int
85a9994a 1856ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1857{
1858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1859
1860 if (!sdata->local->ops->sched_scan_stop)
1861 return -EOPNOTSUPP;
1862
85a9994a 1863 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1864}
1865
636a5d36
JM		 1866static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1867 struct cfg80211_auth_request *req)
1868{
77fdaa12 1869 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1870}
1871
1872static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1873 struct cfg80211_assoc_request *req)
1874{
f444de05
JB		 1875 struct ieee80211_local *local = wiphy_priv(wiphy);
1876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1877
1878 switch (ieee80211_get_channel_mode(local, sdata)) {
1879 case CHAN_MODE_HOPPING:
1880 return -EBUSY;
1881 case CHAN_MODE_FIXED:
1882 if (local->oper_channel == req->bss->channel)
1883 break;
1884 return -EBUSY;
1885 case CHAN_MODE_UNDEFINED:
1886 break;
1887 }
1888
77fdaa12 1889 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1890}
1891
1892static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1893 struct cfg80211_deauth_request *req)
636a5d36 1894{
63c9c5e7 1895 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1896}
1897
1898static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1899 struct cfg80211_disassoc_request *req)
636a5d36 1900{
63c9c5e7 1901 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1902}
1903
af8cdcd8
JB		 1904static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1905 struct cfg80211_ibss_params *params)
1906{
f444de05 1907 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1908 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1909
f444de05
JB		 1910 switch (ieee80211_get_channel_mode(local, sdata)) {
1911 case CHAN_MODE_HOPPING:
1912 return -EBUSY;
1913 case CHAN_MODE_FIXED:
1914 if (!params->channel_fixed)
1915 return -EBUSY;
1916 if (local->oper_channel == params->channel)
1917 break;
1918 return -EBUSY;
1919 case CHAN_MODE_UNDEFINED:
1920 break;
1921 }
1922
af8cdcd8
JB		 1923 return ieee80211_ibss_join(sdata, params);
1924}
1925
1926static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1927{
1928 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1929
1930 return ieee80211_ibss_leave(sdata);
1931}
1932
b9a5f8ca
JM		 1933static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1934{
1935 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1936 int err;
b9a5f8ca 1937
f23a4780
AN		 1938 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1939 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1940
1941 if (err)
1942 return err;
1943 }
1944
310bc676
LT		 1945 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1946 err = drv_set_coverage_class(local, wiphy->coverage_class);
1947
1948 if (err)
1949 return err;
1950 }
1951
b9a5f8ca 1952 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1953 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1954
24487981
JB		 1955 if (err)
1956 return err;
b9a5f8ca
JM		 1957 }
1958
1959 if (changed & WIPHY_PARAM_RETRY_SHORT)
1960 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1961 if (changed & WIPHY_PARAM_RETRY_LONG)
1962 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1963 if (changed &
1964 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1965 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1966
1967 return 0;
1968}
1969
7643a2c3 1970static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1971 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1972{
1973 struct ieee80211_local *local = wiphy_priv(wiphy);
679ef4ea 1974 struct ieee80211_channel *chan = local->oper_channel;
7643a2c3 1975 u32 changes = 0;
7643a2c3
JB		 1976
1977 switch (type) {
fa61cf70 1978 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1979 local->user_power_level = -1;
1980 break;
fa61cf70
JO		 1981 case NL80211_TX_POWER_LIMITED:
1982 if (mbm < 0 || (mbm % 100))
1983 return -EOPNOTSUPP;
1984 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1985 break;
fa61cf70
JO		 1986 case NL80211_TX_POWER_FIXED:
1987 if (mbm < 0 || (mbm % 100))
1988 return -EOPNOTSUPP;
7643a2c3 1989 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1990 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1991 return -EINVAL;
fa61cf70 1992 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1993 break;
7643a2c3
JB		 1994 }
1995
1996 ieee80211_hw_config(local, changes);
1997
1998 return 0;
1999}
2000
2001static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
2002{
2003 struct ieee80211_local *local = wiphy_priv(wiphy);
2004
2005 *dbm = local->hw.conf.power_level;
2006
7643a2c3
JB		 2007 return 0;
2008}
2009
ab737a4f 2010static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2011 const u8 *addr)
ab737a4f
JB		 2012{
2013 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2014
2015 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2016
2017 return 0;
2018}
2019
1f87f7d3
JB		 2020static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2021{
2022 struct ieee80211_local *local = wiphy_priv(wiphy);
2023
2024 drv_rfkill_poll(local);
2025}
2026
aff89a9b 2027#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2028static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 2029{
2030 struct ieee80211_local *local = wiphy_priv(wiphy);
2031
2032 if (!local->ops->testmode_cmd)
2033 return -EOPNOTSUPP;
2034
2035 return local->ops->testmode_cmd(&local->hw, data, len);
2036}
71063f0e
WYG		 2037
2038static int ieee80211_testmode_dump(struct wiphy *wiphy,
2039 struct sk_buff *skb,
2040 struct netlink_callback *cb,
2041 void *data, int len)
2042{
2043 struct ieee80211_local *local = wiphy_priv(wiphy);
2044
2045 if (!local->ops->testmode_dump)
2046 return -EOPNOTSUPP;
2047
2048 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2049}
aff89a9b
JB		 2050#endif
2051
0f78231b
JB		 2052int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2053 enum ieee80211_smps_mode smps_mode)
2054{
2055 const u8 *ap;
2056 enum ieee80211_smps_mode old_req;
2057 int err;
2058
243e6df4
JB		 2059 lockdep_assert_held(&sdata->u.mgd.mtx);
2060
0f78231b
JB		 2061 old_req = sdata->u.mgd.req_smps;
2062 sdata->u.mgd.req_smps = smps_mode;
2063
2064 if (old_req == smps_mode &&
2065 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2066 return 0;
2067
2068 /*
2069 * If not associated, or current association is not an HT
2070 * association, there's no need to send an action frame.
2071 */
2072 if (!sdata->u.mgd.associated ||
0aaffa9b 2073 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
025e6be2 2074 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 2075 return 0;
2076 }
2077
0c1ad2ca 2078 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2079
2080 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2081 if (sdata->u.mgd.powersave)
2082 smps_mode = IEEE80211_SMPS_DYNAMIC;
2083 else
2084 smps_mode = IEEE80211_SMPS_OFF;
2085 }
2086
2087 /* send SM PS frame to AP */
2088 err = ieee80211_send_smps_action(sdata, smps_mode,
2089 ap, ap);
2090 if (err)
2091 sdata->u.mgd.req_smps = old_req;
2092
2093 return err;
2094}
2095
bc92afd9
JB		 2096static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2097 bool enabled, int timeout)
2098{
2099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2100 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2101
e5de30c9
BP		 2102 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2103 return -EOPNOTSUPP;
2104
bc92afd9
JB		 2105 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2106 return -EOPNOTSUPP;
2107
2108 if (enabled == sdata->u.mgd.powersave &&
ff616381 2109 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2110 return 0;
2111
2112 sdata->u.mgd.powersave = enabled;
ff616381 2113 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2114
0f78231b
JB		 2115 /* no change, but if automatic follow powersave */
2116 mutex_lock(&sdata->u.mgd.mtx);
2117 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2118 mutex_unlock(&sdata->u.mgd.mtx);
2119
bc92afd9
JB		 2120 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2121 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2122
2123 ieee80211_recalc_ps(local, -1);
ab095877 2124 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2125
2126 return 0;
2127}
2128
a97c13c3
JO		 2129static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2130 struct net_device *dev,
2131 s32 rssi_thold, u32 rssi_hyst)
2132{
2133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2134 struct ieee80211_vif *vif = &sdata->vif;
2135 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2136
a97c13c3
JO		 2137 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2138 rssi_hyst == bss_conf->cqm_rssi_hyst)
2139 return 0;
2140
2141 bss_conf->cqm_rssi_thold = rssi_thold;
2142 bss_conf->cqm_rssi_hyst = rssi_hyst;
2143
2144 /* tell the driver upon association, unless already associated */
ea086359
JB		 2145 if (sdata->u.mgd.associated &&
2146 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2147 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2148
2149 return 0;
2150}
2151
9930380f
JB		 2152static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2153 struct net_device *dev,
2154 const u8 *addr,
2155 const struct cfg80211_bitrate_mask *mask)
2156{
2157 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2158 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2159 int i, ret;
2c7e6bc9 2160
554a43d5
EP		 2161 if (!ieee80211_sdata_running(sdata))
2162 return -ENETDOWN;
2163
bdbfd6b5
SM		 2164 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2165 ret = drv_set_bitrate_mask(local, sdata, mask);
2166 if (ret)
2167 return ret;
2168 }
9930380f 2169
19468413 2170 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2171 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2172 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2173 sizeof(mask->control[i].mcs));
2174 }
9930380f 2175
37eb0b16 2176 return 0;
9930380f
JB		 2177}
2178
2eb278e0
JB		 2179static int ieee80211_start_roc_work(struct ieee80211_local *local,
2180 struct ieee80211_sub_if_data *sdata,
2181 struct ieee80211_channel *channel,
2182 enum nl80211_channel_type channel_type,
2183 unsigned int duration, u64 *cookie,
2184 struct sk_buff *txskb)
2185{
2186 struct ieee80211_roc_work *roc, *tmp;
2187 bool queued = false;
21f83589 2188 int ret;
21f83589
JB		 2189
2190 lockdep_assert_held(&local->mtx);
2191
fe57d9f5
JB		 2192 if (local->use_chanctx && !local->ops->remain_on_channel)
2193 return -EOPNOTSUPP;
2194
2eb278e0
JB		 2195 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2196 if (!roc)
2197 return -ENOMEM;
2198
2199 roc->chan = channel;
2200 roc->chan_type = channel_type;
2201 roc->duration = duration;
2202 roc->req_duration = duration;
2203 roc->frame = txskb;
2204 roc->mgmt_tx_cookie = (unsigned long)txskb;
2205 roc->sdata = sdata;
2206 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2207 INIT_LIST_HEAD(&roc->dependents);
2208
2209 /* if there's one pending or we're scanning, queue this one */
2210 if (!list_empty(&local->roc_list) || local->scanning)
2211 goto out_check_combine;
2212
2213 /* if not HW assist, just queue & schedule work */
2214 if (!local->ops->remain_on_channel) {
2215 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2216 goto out_queue;
2217 }
2218
2219 /* otherwise actually kick it off here (for error handling) */
2220
2221 /*
2222 * If the duration is zero, then the driver
2223 * wouldn't actually do anything. Set it to
2224 * 10 for now.
2225 *
2226 * TODO: cancel the off-channel operation
2227 * when we get the SKB's TX status and
2228 * the wait time was zero before.
2229 */
2230 if (!duration)
2231 duration = 10;
2232
2233 ret = drv_remain_on_channel(local, channel, channel_type, duration);
21f83589 2234 if (ret) {
2eb278e0
JB		 2235 kfree(roc);
2236 return ret;
21f83589
JB		 2237 }
2238
2eb278e0
JB		 2239 roc->started = true;
2240 goto out_queue;
2241
2242 out_check_combine:
2243 list_for_each_entry(tmp, &local->roc_list, list) {
2244 if (tmp->chan != channel || tmp->chan_type != channel_type)
2245 continue;
2246
2247 /*
2248 * Extend this ROC if possible:
2249 *
2250 * If it hasn't started yet, just increase the duration
2251 * and add the new one to the list of dependents.
2252 */
2253 if (!tmp->started) {
2254 list_add_tail(&roc->list, &tmp->dependents);
2255 tmp->duration = max(tmp->duration, roc->duration);
2256 queued = true;
2257 break;
2258 }
2259
2260 /* If it has already started, it's more difficult ... */
2261 if (local->ops->remain_on_channel) {
2262 unsigned long j = jiffies;
2263
2264 /*
2265 * In the offloaded ROC case, if it hasn't begun, add
2266 * this new one to the dependent list to be handled
2267 * when the the master one begins. If it has begun,
2268 * check that there's still a minimum time left and
2269 * if so, start this one, transmitting the frame, but
2270 * add it to the list directly after this one with a
2271 * a reduced time so we'll ask the driver to execute
2272 * it right after finishing the previous one, in the
2273 * hope that it'll also be executed right afterwards,
2274 * effectively extending the old one.
2275 * If there's no minimum time left, just add it to the
2276 * normal list.
2277 */
2278 if (!tmp->hw_begun) {
2279 list_add_tail(&roc->list, &tmp->dependents);
2280 queued = true;
2281 break;
2282 }
2283
2284 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2285 tmp->hw_start_time +
2286 msecs_to_jiffies(tmp->duration))) {
2287 int new_dur;
2288
2289 ieee80211_handle_roc_started(roc);
2290
2291 new_dur = roc->duration -
2292 jiffies_to_msecs(tmp->hw_start_time +
2293 msecs_to_jiffies(
2294 tmp->duration) -
2295 j);
2296
2297 if (new_dur > 0) {
2298 /* add right after tmp */
2299 list_add(&roc->list, &tmp->list);
2300 } else {
2301 list_add_tail(&roc->list,
2302 &tmp->dependents);
2303 }
2304 queued = true;
2305 }
2306 } else if (del_timer_sync(&tmp->work.timer)) {
2307 unsigned long new_end;
2308
2309 /*
2310 * In the software ROC case, cancel the timer, if
2311 * that fails then the finish work is already
2312 * queued/pending and thus we queue the new ROC
2313 * normally, if that succeeds then we can extend
2314 * the timer duration and TX the frame (if any.)
2315 */
2316
2317 list_add_tail(&roc->list, &tmp->dependents);
2318 queued = true;
2319
2320 new_end = jiffies + msecs_to_jiffies(roc->duration);
2321
2322 /* ok, it was started & we canceled timer */
2323 if (time_after(new_end, tmp->work.timer.expires))
2324 mod_timer(&tmp->work.timer, new_end);
2325 else
2326 add_timer(&tmp->work.timer);
2327
2328 ieee80211_handle_roc_started(roc);
2329 }
2330 break;
2331 }
2332
2333 out_queue:
2334 if (!queued)
2335 list_add_tail(&roc->list, &local->roc_list);
2336
2337 /*
2338 * cookie is either the roc (for normal roc)
2339 * or the SKB (for mgmt TX)
2340 */
2341 if (txskb)
2342 *cookie = (unsigned long)txskb;
2343 else
2344 *cookie = (unsigned long)roc;
2345
2346 return 0;
21f83589
JB		 2347}
2348
b8bc4b0a 2349static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2350 struct wireless_dev *wdev,
b8bc4b0a
JB		 2351 struct ieee80211_channel *chan,
2352 enum nl80211_channel_type channel_type,
2353 unsigned int duration,
2354 u64 *cookie)
2355{
71bbc994 2356 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2357 struct ieee80211_local *local = sdata->local;
2eb278e0 2358 int ret;
21f83589 2359
2eb278e0
JB		 2360 mutex_lock(&local->mtx);
2361 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2362 duration, cookie, NULL);
2363 mutex_unlock(&local->mtx);
b8bc4b0a 2364
2eb278e0 2365 return ret;
b8bc4b0a
JB		 2366}
2367
2eb278e0
JB		 2368static int ieee80211_cancel_roc(struct ieee80211_local *local,
2369 u64 cookie, bool mgmt_tx)
21f83589 2370{
2eb278e0 2371 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2372 int ret;
2373
2eb278e0
JB		 2374 mutex_lock(&local->mtx);
2375 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2376 struct ieee80211_roc_work *dep, *tmp2;
2377
2378 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2379 if (!mgmt_tx && (unsigned long)dep != cookie)
2380 continue;
2381 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2382 continue;
2383 /* found dependent item -- just remove it */
2384 list_del(&dep->list);
2385 mutex_unlock(&local->mtx);
2386
2387 ieee80211_roc_notify_destroy(dep);
2388 return 0;
2389 }
2390
2eb278e0
JB		 2391 if (!mgmt_tx && (unsigned long)roc != cookie)
2392 continue;
2393 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2394 continue;
21f83589 2395
2eb278e0
JB		 2396 found = roc;
2397 break;
2398 }
21f83589 2399
2eb278e0
JB		 2400 if (!found) {
2401 mutex_unlock(&local->mtx);
2402 return -ENOENT;
2403 }
21f83589 2404
e979e33c
JB		 2405 /*
2406 * We found the item to cancel, so do that. Note that it
2407 * may have dependents, which we also cancel (and send
2408 * the expired signal for.) Not doing so would be quite
2409 * tricky here, but we may need to fix it later.
2410 */
2411
2eb278e0
JB		 2412 if (local->ops->remain_on_channel) {
2413 if (found->started) {
2414 ret = drv_cancel_remain_on_channel(local);
2415 if (WARN_ON_ONCE(ret)) {
2416 mutex_unlock(&local->mtx);
2417 return ret;
2418 }
2419 }
21f83589 2420
2eb278e0 2421 list_del(&found->list);
21f83589 2422
0f6b3f59
JB		 2423 if (found->started)
2424 ieee80211_start_next_roc(local);
2eb278e0 2425 mutex_unlock(&local->mtx);
21f83589 2426
2eb278e0
JB		 2427 ieee80211_roc_notify_destroy(found);
2428 } else {
2429 /* work may be pending so use it all the time */
2430 found->abort = true;
2431 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2432
21f83589
JB		 2433 mutex_unlock(&local->mtx);
2434
2eb278e0
JB		 2435 /* work will clean up etc */
2436 flush_delayed_work(&found->work);
21f83589 2437 }
b8bc4b0a 2438
2eb278e0 2439 return 0;
b8bc4b0a
JB		 2440}
2441
2eb278e0 2442static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2443 struct wireless_dev *wdev,
2eb278e0 2444 u64 cookie)
f30221e4 2445{
71bbc994 2446 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2447 struct ieee80211_local *local = sdata->local;
f30221e4 2448
2eb278e0 2449 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2450}
2451
71bbc994 2452static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2453 struct ieee80211_channel *chan, bool offchan,
2e161f78 2454 enum nl80211_channel_type channel_type,
f7ca38df 2455 bool channel_type_valid, unsigned int wait,
e9f935e3 2456 const u8 *buf, size_t len, bool no_cck,
e247bd90 2457 bool dont_wait_for_ack, u64 *cookie)
026331c4 2458{
71bbc994 2459 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2460 struct ieee80211_local *local = sdata->local;
2461 struct sk_buff *skb;
2462 struct sta_info *sta;
2463 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2464 bool need_offchan = false;
e247bd90 2465 u32 flags;
2eb278e0 2466 int ret;
f7ca38df 2467
e247bd90
JB		 2468 if (dont_wait_for_ack)
2469 flags = IEEE80211_TX_CTL_NO_ACK;
2470 else
2471 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2472 IEEE80211_TX_CTL_REQ_TX_STATUS;
2473
aad14ceb
RM		 2474 if (no_cck)
2475 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2476
9d38d85d
JB		 2477 switch (sdata->vif.type) {
2478 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2479 if (!sdata->vif.bss_conf.ibss_joined)
2480 need_offchan = true;
2481 /* fall through */
2482#ifdef CONFIG_MAC80211_MESH
2483 case NL80211_IFTYPE_MESH_POINT:
2484 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2485 !sdata->u.mesh.mesh_id_len)
2486 need_offchan = true;
2487 /* fall through */
2488#endif
663fcafd
JB		 2489 case NL80211_IFTYPE_AP:
2490 case NL80211_IFTYPE_AP_VLAN:
2491 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2492 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2493 !ieee80211_vif_is_mesh(&sdata->vif) &&
2494 !rcu_access_pointer(sdata->bss->beacon))
2495 need_offchan = true;
663fcafd
JB		 2496 if (!ieee80211_is_action(mgmt->frame_control) ||
2497 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2498 break;
2499 rcu_read_lock();
2500 sta = sta_info_get(sdata, mgmt->da);
2501 rcu_read_unlock();
2502 if (!sta)
2503 return -ENOLINK;
2504 break;
2505 case NL80211_IFTYPE_STATION:
663fcafd 2506 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2507 if (!sdata->u.mgd.associated)
2508 need_offchan = true;
9d38d85d 2509 break;
f142c6b9
JB		 2510 case NL80211_IFTYPE_P2P_DEVICE:
2511 need_offchan = true;
2512 break;
9d38d85d
JB		 2513 default:
2514 return -EOPNOTSUPP;
2515 }
2516
2eb278e0
JB		 2517 mutex_lock(&local->mtx);
2518
2519 /* Check if the operating channel is the requested channel */
2520 if (!need_offchan) {
2521 need_offchan = chan != local->oper_channel;
2522 if (channel_type_valid &&
2523 channel_type != local->_oper_channel_type)
2524 need_offchan = true;
2525 }
2526
2527 if (need_offchan && !offchan) {
2528 ret = -EBUSY;
2529 goto out_unlock;
2530 }
2531
9d38d85d 2532 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2533 if (!skb) {
2534 ret = -ENOMEM;
2535 goto out_unlock;
2536 }
9d38d85d
JB		 2537 skb_reserve(skb, local->hw.extra_tx_headroom);
2538
2539 memcpy(skb_put(skb, len), buf, len);
2540
2541 IEEE80211_SKB_CB(skb)->flags = flags;
2542
2543 skb->dev = sdata->dev;
9d38d85d 2544
2eb278e0 2545 if (!need_offchan) {
7f9f78ab 2546 *cookie = (unsigned long) skb;
f30221e4 2547 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2548 ret = 0;
2549 goto out_unlock;
f30221e4
JB		 2550 }
2551
2eb278e0
JB		 2552 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2553 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2554 IEEE80211_SKB_CB(skb)->hw_queue =
2555 local->hw.offchannel_tx_hw_queue;
f30221e4 2556
2eb278e0
JB		 2557 /* This will handle all kinds of coalescing and immediate TX */
2558 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2559 wait, cookie, skb);
2560 if (ret)
2561 kfree_skb(skb);
2562 out_unlock:
2563 mutex_unlock(&local->mtx);
2564 return ret;
026331c4
JM		 2565}
2566
f30221e4 2567static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2568 struct wireless_dev *wdev,
f30221e4
JB		 2569 u64 cookie)
2570{
71bbc994 2571 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2572
2eb278e0 2573 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2574}
2575
7be5086d 2576static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2577 struct wireless_dev *wdev,
7be5086d
JB		 2578 u16 frame_type, bool reg)
2579{
2580 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2581 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2582
6abe0563
WH		 2583 switch (frame_type) {
2584 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2585 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2586 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2587
6abe0563
WH		 2588 if (reg)
2589 ifibss->auth_frame_registrations++;
2590 else
2591 ifibss->auth_frame_registrations--;
2592 }
2593 break;
2594 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2595 if (reg)
2596 local->probe_req_reg++;
2597 else
2598 local->probe_req_reg--;
7be5086d 2599
6abe0563
WH		 2600 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2601 break;
2602 default:
2603 break;
2604 }
7be5086d
JB		 2605}
2606
15d96753
BR		 2607static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2608{
2609 struct ieee80211_local *local = wiphy_priv(wiphy);
2610
2611 if (local->started)
2612 return -EOPNOTSUPP;
2613
2614 return drv_set_antenna(local, tx_ant, rx_ant);
2615}
2616
2617static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2618{
2619 struct ieee80211_local *local = wiphy_priv(wiphy);
2620
2621 return drv_get_antenna(local, tx_ant, rx_ant);
2622}
2623
38c09159
JL		 2624static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2625{
2626 struct ieee80211_local *local = wiphy_priv(wiphy);
2627
2628 return drv_set_ringparam(local, tx, rx);
2629}
2630
2631static void ieee80211_get_ringparam(struct wiphy *wiphy,
2632 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2633{
2634 struct ieee80211_local *local = wiphy_priv(wiphy);
2635
2636 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2637}
2638
c68f4b89
JB		 2639static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2640 struct net_device *dev,
2641 struct cfg80211_gtk_rekey_data *data)
2642{
2643 struct ieee80211_local *local = wiphy_priv(wiphy);
2644 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2645
2646 if (!local->ops->set_rekey_data)
2647 return -EOPNOTSUPP;
2648
2649 drv_set_rekey_data(local, sdata, data);
2650
2651 return 0;
2652}
2653
dfe018bf
AN		 2654static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2655{
2656 u8 *pos = (void *)skb_put(skb, 7);
2657
2658 *pos++ = WLAN_EID_EXT_CAPABILITY;
2659 *pos++ = 5; /* len */
2660 *pos++ = 0x0;
2661 *pos++ = 0x0;
2662 *pos++ = 0x0;
2663 *pos++ = 0x0;
2664 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2665}
2666
2667static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2668{
2669 struct ieee80211_local *local = sdata->local;
2670 u16 capab;
2671
2672 capab = 0;
2673 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2674 return capab;
2675
2676 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2677 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2678 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2679 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2680
2681 return capab;
2682}
2683
2684static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2685 u8 *peer, u8 *bssid)
2686{
2687 struct ieee80211_tdls_lnkie *lnkid;
2688
2689 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2690
2691 lnkid->ie_type = WLAN_EID_LINK_ID;
2692 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2693
2694 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2695 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2696 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2697}
2698
2699static int
2700ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2701 u8 *peer, u8 action_code, u8 dialog_token,
2702 u16 status_code, struct sk_buff *skb)
2703{
2704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6b77863b 2705 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2706 struct ieee80211_tdls_data *tf;
2707
2708 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2709
2710 memcpy(tf->da, peer, ETH_ALEN);
2711 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2712 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2713 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2714
2715 switch (action_code) {
2716 case WLAN_TDLS_SETUP_REQUEST:
2717 tf->category = WLAN_CATEGORY_TDLS;
2718 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2719
2720 skb_put(skb, sizeof(tf->u.setup_req));
2721 tf->u.setup_req.dialog_token = dialog_token;
2722 tf->u.setup_req.capability =
2723 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2724
6b77863b
JB		 2725 ieee80211_add_srates_ie(sdata, skb, false,
2726 local->oper_channel->band);
2727 ieee80211_add_ext_srates_ie(sdata, skb, false,
2728 local->oper_channel->band);
dfe018bf
AN		 2729 ieee80211_tdls_add_ext_capab(skb);
2730 break;
2731 case WLAN_TDLS_SETUP_RESPONSE:
2732 tf->category = WLAN_CATEGORY_TDLS;
2733 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2734
2735 skb_put(skb, sizeof(tf->u.setup_resp));
2736 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2737 tf->u.setup_resp.dialog_token = dialog_token;
2738 tf->u.setup_resp.capability =
2739 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2740
6b77863b
JB		 2741 ieee80211_add_srates_ie(sdata, skb, false,
2742 local->oper_channel->band);
2743 ieee80211_add_ext_srates_ie(sdata, skb, false,
2744 local->oper_channel->band);
dfe018bf
AN		 2745 ieee80211_tdls_add_ext_capab(skb);
2746 break;
2747 case WLAN_TDLS_SETUP_CONFIRM:
2748 tf->category = WLAN_CATEGORY_TDLS;
2749 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2750
2751 skb_put(skb, sizeof(tf->u.setup_cfm));
2752 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2753 tf->u.setup_cfm.dialog_token = dialog_token;
2754 break;
2755 case WLAN_TDLS_TEARDOWN:
2756 tf->category = WLAN_CATEGORY_TDLS;
2757 tf->action_code = WLAN_TDLS_TEARDOWN;
2758
2759 skb_put(skb, sizeof(tf->u.teardown));
2760 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2761 break;
2762 case WLAN_TDLS_DISCOVERY_REQUEST:
2763 tf->category = WLAN_CATEGORY_TDLS;
2764 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2765
2766 skb_put(skb, sizeof(tf->u.discover_req));
2767 tf->u.discover_req.dialog_token = dialog_token;
2768 break;
2769 default:
2770 return -EINVAL;
2771 }
2772
2773 return 0;
2774}
2775
2776static int
2777ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2778 u8 *peer, u8 action_code, u8 dialog_token,
2779 u16 status_code, struct sk_buff *skb)
2780{
2781 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6b77863b 2782 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2783 struct ieee80211_mgmt *mgmt;
2784
2785 mgmt = (void *)skb_put(skb, 24);
2786 memset(mgmt, 0, 24);
2787 memcpy(mgmt->da, peer, ETH_ALEN);
2788 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2789 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2790
2791 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2792 IEEE80211_STYPE_ACTION);
2793
2794 switch (action_code) {
2795 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2796 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2797 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2798 mgmt->u.action.u.tdls_discover_resp.action_code =
2799 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2800 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2801 dialog_token;
2802 mgmt->u.action.u.tdls_discover_resp.capability =
2803 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2804
6b77863b
JB		 2805 ieee80211_add_srates_ie(sdata, skb, false,
2806 local->oper_channel->band);
2807 ieee80211_add_ext_srates_ie(sdata, skb, false,
2808 local->oper_channel->band);
dfe018bf
AN		 2809 ieee80211_tdls_add_ext_capab(skb);
2810 break;
2811 default:
2812 return -EINVAL;
2813 }
2814
2815 return 0;
2816}
2817
2818static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2819 u8 *peer, u8 action_code, u8 dialog_token,
2820 u16 status_code, const u8 *extra_ies,
2821 size_t extra_ies_len)
2822{
2823 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2824 struct ieee80211_local *local = sdata->local;
2825 struct ieee80211_tx_info *info;
2826 struct sk_buff *skb = NULL;
2827 bool send_direct;
2828 int ret;
2829
2830 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2831 return -ENOTSUPP;
2832
2833 /* make sure we are in managed mode, and associated */
2834 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2835 !sdata->u.mgd.associated)
2836 return -EINVAL;
2837
bdcbd8e0
JB		 2838 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2839 action_code, peer);
dfe018bf
AN		 2840
2841 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2842 max(sizeof(struct ieee80211_mgmt),
2843 sizeof(struct ieee80211_tdls_data)) +
2844 50 + /* supported rates */
2845 7 + /* ext capab */
2846 extra_ies_len +
2847 sizeof(struct ieee80211_tdls_lnkie));
2848 if (!skb)
2849 return -ENOMEM;
2850
2851 info = IEEE80211_SKB_CB(skb);
2852 skb_reserve(skb, local->hw.extra_tx_headroom);
2853
2854 switch (action_code) {
2855 case WLAN_TDLS_SETUP_REQUEST:
2856 case WLAN_TDLS_SETUP_RESPONSE:
2857 case WLAN_TDLS_SETUP_CONFIRM:
2858 case WLAN_TDLS_TEARDOWN:
2859 case WLAN_TDLS_DISCOVERY_REQUEST:
2860 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2861 action_code, dialog_token,
2862 status_code, skb);
2863 send_direct = false;
2864 break;
2865 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2866 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2867 dialog_token, status_code,
2868 skb);
2869 send_direct = true;
2870 break;
2871 default:
2872 ret = -ENOTSUPP;
2873 break;
2874 }
2875
2876 if (ret < 0)
2877 goto fail;
2878
2879 if (extra_ies_len)
2880 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2881
2882 /* the TDLS link IE is always added last */
2883 switch (action_code) {
2884 case WLAN_TDLS_SETUP_REQUEST:
2885 case WLAN_TDLS_SETUP_CONFIRM:
2886 case WLAN_TDLS_TEARDOWN:
2887 case WLAN_TDLS_DISCOVERY_REQUEST:
2888 /* we are the initiator */
2889 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2890 sdata->u.mgd.bssid);
2891 break;
2892 case WLAN_TDLS_SETUP_RESPONSE:
2893 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2894 /* we are the responder */
2895 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2896 sdata->u.mgd.bssid);
2897 break;
2898 default:
2899 ret = -ENOTSUPP;
2900 goto fail;
2901 }
2902
2903 if (send_direct) {
2904 ieee80211_tx_skb(sdata, skb);
2905 return 0;
2906 }
2907
2908 /*
2909 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2910 * we should default to AC_VI.
2911 */
2912 switch (action_code) {
2913 case WLAN_TDLS_SETUP_REQUEST:
2914 case WLAN_TDLS_SETUP_RESPONSE:
2915 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2916 skb->priority = 2;
2917 break;
2918 default:
2919 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2920 skb->priority = 5;
2921 break;
2922 }
2923
2924 /* disable bottom halves when entering the Tx path */
2925 local_bh_disable();
2926 ret = ieee80211_subif_start_xmit(skb, dev);
2927 local_bh_enable();
2928
2929 return ret;
2930
2931fail:
2932 dev_kfree_skb(skb);
2933 return ret;
2934}
2935
2936static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2937 u8 *peer, enum nl80211_tdls_operation oper)
2938{
941c93cd 2939 struct sta_info *sta;
dfe018bf
AN		 2940 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2941
2942 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2943 return -ENOTSUPP;
2944
2945 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2946 return -EINVAL;
2947
bdcbd8e0 2948 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2949
2950 switch (oper) {
2951 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2952 rcu_read_lock();
2953 sta = sta_info_get(sdata, peer);
2954 if (!sta) {
2955 rcu_read_unlock();
2956 return -ENOLINK;
2957 }
2958
c2c98fde 2959 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2960 rcu_read_unlock();
dfe018bf
AN		 2961 break;
2962 case NL80211_TDLS_DISABLE_LINK:
2963 return sta_info_destroy_addr(sdata, peer);
2964 case NL80211_TDLS_TEARDOWN:
2965 case NL80211_TDLS_SETUP:
2966 case NL80211_TDLS_DISCOVERY_REQ:
2967 /* We don't support in-driver setup/teardown/discovery */
2968 return -ENOTSUPP;
2969 default:
2970 return -ENOTSUPP;
2971 }
2972
2973 return 0;
2974}
2975
06500736
JB		 2976static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2977 const u8 *peer, u64 *cookie)
2978{
2979 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2980 struct ieee80211_local *local = sdata->local;
2981 struct ieee80211_qos_hdr *nullfunc;
2982 struct sk_buff *skb;
2983 int size = sizeof(*nullfunc);
2984 __le16 fc;
2985 bool qos;
2986 struct ieee80211_tx_info *info;
2987 struct sta_info *sta;
2988
2989 rcu_read_lock();
2990 sta = sta_info_get(sdata, peer);
b4487c2d 2991 if (sta) {
06500736 2992 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2993 rcu_read_unlock();
2994 } else {
2995 rcu_read_unlock();
06500736 2996 return -ENOLINK;
b4487c2d 2997 }
06500736
JB		 2998
2999 if (qos) {
3000 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3001 IEEE80211_STYPE_QOS_NULLFUNC |
3002 IEEE80211_FCTL_FROMDS);
3003 } else {
3004 size -= 2;
3005 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3006 IEEE80211_STYPE_NULLFUNC |
3007 IEEE80211_FCTL_FROMDS);
3008 }
3009
3010 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3011 if (!skb)
3012 return -ENOMEM;
3013
3014 skb->dev = dev;
3015
3016 skb_reserve(skb, local->hw.extra_tx_headroom);
3017
3018 nullfunc = (void *) skb_put(skb, size);
3019 nullfunc->frame_control = fc;
3020 nullfunc->duration_id = 0;
3021 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3022 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3023 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3024 nullfunc->seq_ctrl = 0;
3025
3026 info = IEEE80211_SKB_CB(skb);
3027
3028 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3029 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3030
3031 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3032 skb->priority = 7;
3033 if (qos)
3034 nullfunc->qos_ctrl = cpu_to_le16(7);
3035
3036 local_bh_disable();
3037 ieee80211_xmit(sdata, skb);
3038 local_bh_enable();
3039
3040 *cookie = (unsigned long) skb;
3041 return 0;
3042}
3043
5b7ccaf3
JB		 3044static struct ieee80211_channel *
3045ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
3046 enum nl80211_channel_type *type)
3047{
3048 struct ieee80211_local *local = wiphy_priv(wiphy);
3049
3050 *type = local->_oper_channel_type;
3051 return local->oper_channel;
3052}
3053
6d52563f
JB		 3054#ifdef CONFIG_PM
3055static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3056{
3057 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3058}
3059#endif
3060
f0706e82
JB		 3061struct cfg80211_ops mac80211_config_ops = {
3062 .add_virtual_intf = ieee80211_add_iface,
3063 .del_virtual_intf = ieee80211_del_iface,
42613db7 3064 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3065 .start_p2p_device = ieee80211_start_p2p_device,
3066 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3067 .add_key = ieee80211_add_key,
3068 .del_key = ieee80211_del_key,
62da92fb 3069 .get_key = ieee80211_get_key,
e8cbb4cb 3070 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3071 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3072 .start_ap = ieee80211_start_ap,
3073 .change_beacon = ieee80211_change_beacon,
3074 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3075 .add_station = ieee80211_add_station,
3076 .del_station = ieee80211_del_station,
3077 .change_station = ieee80211_change_station,
7bbdd2d9 3078 .get_station = ieee80211_get_station,
c5dd9c2b 3079 .dump_station = ieee80211_dump_station,
1289723e 3080 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3081#ifdef CONFIG_MAC80211_MESH
3082 .add_mpath = ieee80211_add_mpath,
3083 .del_mpath = ieee80211_del_mpath,
3084 .change_mpath = ieee80211_change_mpath,
3085 .get_mpath = ieee80211_get_mpath,
3086 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3087 .update_mesh_config = ieee80211_update_mesh_config,
3088 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3089 .join_mesh = ieee80211_join_mesh,
3090 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3091#endif
9f1ba906 3092 .change_bss = ieee80211_change_bss,
31888487 3093 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3094 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3095 .suspend = ieee80211_suspend,
3096 .resume = ieee80211_resume,
2a519311 3097 .scan = ieee80211_scan,
79f460ca
LC		 3098 .sched_scan_start = ieee80211_sched_scan_start,
3099 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3100 .auth = ieee80211_auth,
3101 .assoc = ieee80211_assoc,
3102 .deauth = ieee80211_deauth,
3103 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3104 .join_ibss = ieee80211_join_ibss,
3105 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 3106 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3107 .set_tx_power = ieee80211_set_tx_power,
3108 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3109 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3110 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3111 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3112 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3113 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3114 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3115 .remain_on_channel = ieee80211_remain_on_channel,
3116 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3117 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3118 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3119 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3120 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3121 .set_antenna = ieee80211_set_antenna,
3122 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3123 .set_ringparam = ieee80211_set_ringparam,
3124 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3125 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3126 .tdls_oper = ieee80211_tdls_oper,
3127 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3128 .probe_client = ieee80211_probe_client,
b53be792 3129 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3130#ifdef CONFIG_PM
3131 .set_wakeup = ieee80211_set_wakeup,
3132#endif
b1ab7925
BG		 3133 .get_et_sset_count = ieee80211_get_et_sset_count,
3134 .get_et_stats = ieee80211_get_et_stats,
3135 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3136 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3137};
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