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cfg80211: merge in beacon ies of hidden bss.
[linux-2.6-block.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
f9e10ce4
JB		 23static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
25 u32 *flags,
26 struct vif_params *params)
f0706e82
JB		 27{
28 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 29 struct net_device *dev;
30 struct ieee80211_sub_if_data *sdata;
31 int err;
f0706e82 32
05c914fe 33 err = ieee80211_if_add(local, name, &dev, type, params);
f9e10ce4
JB		 34 if (err)
35 return ERR_PTR(err);
8cc9a739 36
f9e10ce4
JB		 37 if (type == NL80211_IFTYPE_MONITOR && flags) {
38 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
39 sdata->u.mntr_flags = *flags;
40 }
41
42 return dev;
f0706e82
JB		 43}
44
463d0183 45static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 46{
463d0183 47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 48
75636525 49 return 0;
f0706e82
JB		 50}
51
e36d56b6
JB		 52static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
2ec600d6
LCC		 54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
42613db7 56{
9607e6b6 57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 58 int ret;
42613db7 59
05c914fe 60 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 61 if (ret)
62 return ret;
42613db7 63
9bc383de
JB		 64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
a9b3cd7f 66 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
70
85416a4f
CL		 71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
73
74 if (ieee80211_sdata_running(sdata)) {
75 /*
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
82 */
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
85 return -EBUSY;
86
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
90
91 ieee80211_configure_filter(local);
92 } else {
93 /*
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
97 */
98 sdata->u.mntr_flags = *flags;
99 }
100 }
f7917af9 101
42613db7
JB		 102 return 0;
103}
104
e8cbb4cb 105static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 106 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 107 struct key_params *params)
108{
26a58456 109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 110 struct sta_info *sta = NULL;
db4d1169 111 struct ieee80211_key *key;
3b96766f 112 int err;
e8cbb4cb 113
26a58456 114 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 115 return -ENETDOWN;
116
97359d12 117 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 118 switch (params->cipher) {
119 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 120 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 121 case WLAN_CIPHER_SUITE_WEP104:
122 if (IS_ERR(sdata->local->wep_tx_tfm))
123 return -EINVAL;
3cfcf6ac 124 break;
e8cbb4cb 125 default:
97359d12 126 break;
e8cbb4cb
JB		 127 }
128
97359d12
JB		 129 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
130 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 131 if (IS_ERR(key))
132 return PTR_ERR(key);
db4d1169 133
e31b8213
JB		 134 if (pairwise)
135 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
136
ad0e2b5a 137 mutex_lock(&sdata->local->sta_mtx);
3b96766f 138
e8cbb4cb 139 if (mac_addr) {
ff973af7
TP		 140 if (ieee80211_vif_is_mesh(&sdata->vif))
141 sta = sta_info_get(sdata, mac_addr);
142 else
143 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 144 if (!sta) {
32162a4d 145 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 146 err = -ENOENT;
147 goto out_unlock;
db4d1169 148 }
e8cbb4cb
JB		 149 }
150
3ffc2a90
JB		 151 err = ieee80211_key_link(key, sdata, sta);
152 if (err)
153 ieee80211_key_free(sdata->local, key);
db4d1169 154
3b96766f 155 out_unlock:
ad0e2b5a 156 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 157
158 return err;
e8cbb4cb
JB		 159}
160
161static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 162 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 163{
5c0c3641
JB		 164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
165 struct ieee80211_local *local = sdata->local;
e8cbb4cb 166 struct sta_info *sta;
5c0c3641 167 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 168 int ret;
169
5c0c3641
JB		 170 mutex_lock(&local->sta_mtx);
171 mutex_lock(&local->key_mtx);
3b96766f 172
e8cbb4cb 173 if (mac_addr) {
3b96766f
JB		 174 ret = -ENOENT;
175
0e5ded5a 176 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 177 if (!sta)
3b96766f 178 goto out_unlock;
e8cbb4cb 179
5c0c3641 180 if (pairwise)
40b275b6 181 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 182 else
40b275b6 183 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 184 } else
40b275b6 185 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 186
5c0c3641 187 if (!key) {
3b96766f
JB		 188 ret = -ENOENT;
189 goto out_unlock;
190 }
e8cbb4cb 191
5c0c3641 192 __ieee80211_key_free(key);
e8cbb4cb 193
3b96766f
JB		 194 ret = 0;
195 out_unlock:
5c0c3641
JB		 196 mutex_unlock(&local->key_mtx);
197 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 198
199 return ret;
e8cbb4cb
JB		 200}
201
62da92fb 202static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 203 u8 key_idx, bool pairwise, const u8 *mac_addr,
204 void *cookie,
62da92fb
JB		 205 void (*callback)(void *cookie,
206 struct key_params *params))
207{
14db74bc 208 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 209 struct sta_info *sta = NULL;
210 u8 seq[6] = {0};
211 struct key_params params;
e31b8213 212 struct ieee80211_key *key = NULL;
aba83a0b 213 u64 pn64;
62da92fb
JB		 214 u32 iv32;
215 u16 iv16;
216 int err = -ENOENT;
217
14db74bc
JB		 218 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
219
3b96766f
JB		 220 rcu_read_lock();
221
62da92fb 222 if (mac_addr) {
0e5ded5a 223 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 224 if (!sta)
225 goto out;
226
e31b8213 227 if (pairwise)
a3836e02 228 key = rcu_dereference(sta->ptk);
e31b8213 229 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 230 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 231 } else
a3836e02 232 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 233
234 if (!key)
235 goto out;
236
237 memset(&params, 0, sizeof(params));
238
97359d12 239 params.cipher = key->conf.cipher;
62da92fb 240
97359d12
JB		 241 switch (key->conf.cipher) {
242 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 243 iv32 = key->u.tkip.tx.iv32;
244 iv16 = key->u.tkip.tx.iv16;
62da92fb 245
24487981
JB		 246 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
247 drv_get_tkip_seq(sdata->local,
248 key->conf.hw_key_idx,
249 &iv32, &iv16);
62da92fb
JB		 250
251 seq[0] = iv16 & 0xff;
252 seq[1] = (iv16 >> 8) & 0xff;
253 seq[2] = iv32 & 0xff;
254 seq[3] = (iv32 >> 8) & 0xff;
255 seq[4] = (iv32 >> 16) & 0xff;
256 seq[5] = (iv32 >> 24) & 0xff;
257 params.seq = seq;
258 params.seq_len = 6;
259 break;
97359d12 260 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 261 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
262 seq[0] = pn64;
263 seq[1] = pn64 >> 8;
264 seq[2] = pn64 >> 16;
265 seq[3] = pn64 >> 24;
266 seq[4] = pn64 >> 32;
267 seq[5] = pn64 >> 40;
62da92fb
JB		 268 params.seq = seq;
269 params.seq_len = 6;
270 break;
97359d12 271 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 272 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
273 seq[0] = pn64;
274 seq[1] = pn64 >> 8;
275 seq[2] = pn64 >> 16;
276 seq[3] = pn64 >> 24;
277 seq[4] = pn64 >> 32;
278 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 279 params.seq = seq;
280 params.seq_len = 6;
281 break;
62da92fb
JB		 282 }
283
284 params.key = key->conf.key;
285 params.key_len = key->conf.keylen;
286
287 callback(cookie, &params);
288 err = 0;
289
290 out:
3b96766f 291 rcu_read_unlock();
62da92fb
JB		 292 return err;
293}
294
e8cbb4cb
JB		 295static int ieee80211_config_default_key(struct wiphy *wiphy,
296 struct net_device *dev,
dbd2fd65
JB		 297 u8 key_idx, bool uni,
298 bool multi)
e8cbb4cb 299{
ad0e2b5a 300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 301
f7e0104c 302 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 303
304 return 0;
305}
306
3cfcf6ac
JM		 307static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
308 struct net_device *dev,
309 u8 key_idx)
310{
66c52421 311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 312
3cfcf6ac
JM		 313 ieee80211_set_default_mgmt_key(sdata, key_idx);
314
3cfcf6ac
JM		 315 return 0;
316}
317
3af6334c
FF		 318static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
319{
320 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
321 struct ieee80211_supported_band *sband;
322 sband = sta->local->hw.wiphy->bands[
323 sta->local->hw.conf.channel->band];
324 rate->legacy = sband->bitrates[idx].bitrate;
325 } else
326 rate->mcs = idx;
327}
328
c5dd9c2b
LCC		 329static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
330{
d0709a65 331 struct ieee80211_sub_if_data *sdata = sta->sdata;
ebe27c91 332 struct timespec uptime;
c5dd9c2b 333
f5ea9120
JB		 334 sinfo->generation = sdata->local->sta_generation;
335
c5dd9c2b
LCC		 336 sinfo->filled = STATION_INFO_INACTIVE_TIME |
337 STATION_INFO_RX_BYTES |
420e7fab 338 STATION_INFO_TX_BYTES |
98c8a60a
JM		 339 STATION_INFO_RX_PACKETS |
340 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 341 STATION_INFO_TX_RETRIES |
342 STATION_INFO_TX_FAILED |
5a5c731a 343 STATION_INFO_TX_BITRATE |
3af6334c 344 STATION_INFO_RX_BITRATE |
f4263c98 345 STATION_INFO_RX_DROP_MISC |
ebe27c91 346 STATION_INFO_BSS_PARAM |
7a724767
HS		 347 STATION_INFO_CONNECTED_TIME |
348 STATION_INFO_STA_FLAGS;
ebe27c91
MSS		 349
350 do_posix_clock_monotonic_gettime(&uptime);
351 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 352
353 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
354 sinfo->rx_bytes = sta->rx_bytes;
355 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 356 sinfo->rx_packets = sta->rx_packets;
357 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 358 sinfo->tx_retries = sta->tx_retry_count;
359 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 360 sinfo->rx_dropped_misc = sta->rx_dropped;
c5dd9c2b 361
19deffbe
JL		 362 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
363 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 364 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 365 sinfo->signal = (s8)sta->last_signal;
541a45a1 366 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 367 }
368
369 sinfo->txrate.flags = 0;
370 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
371 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
372 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
373 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
374 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
375 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
3af6334c
FF		 376 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
377
378 sinfo->rxrate.flags = 0;
379 if (sta->last_rx_rate_flag & RX_FLAG_HT)
380 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
381 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
382 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
383 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
384 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
385 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 386
902acc78 387 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 388#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 389 sinfo->filled |= STATION_INFO_LLID |
390 STATION_INFO_PLID |
391 STATION_INFO_PLINK_STATE;
392
393 sinfo->llid = le16_to_cpu(sta->llid);
394 sinfo->plid = le16_to_cpu(sta->plid);
395 sinfo->plink_state = sta->plink_state;
c5dd9c2b 396#endif
902acc78 397 }
f4263c98
PS		 398
399 sinfo->bss_param.flags = 0;
400 if (sdata->vif.bss_conf.use_cts_prot)
401 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
402 if (sdata->vif.bss_conf.use_short_preamble)
403 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
404 if (sdata->vif.bss_conf.use_short_slot)
405 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
406 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
407 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 408
409 sinfo->sta_flags.set = 0;
410 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
411 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
412 BIT(NL80211_STA_FLAG_WME) |
413 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 414 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
415 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 416 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
417 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
418 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
419 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
420 if (test_sta_flag(sta, WLAN_STA_WME))
421 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
422 if (test_sta_flag(sta, WLAN_STA_MFP))
423 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
424 if (test_sta_flag(sta, WLAN_STA_AUTH))
425 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 426 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
427 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 428}
429
430
431static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
432 int idx, u8 *mac, struct station_info *sinfo)
433{
3b53fde8 434 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 435 struct sta_info *sta;
d0709a65
JB		 436 int ret = -ENOENT;
437
438 rcu_read_lock();
c5dd9c2b 439
3b53fde8 440 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 441 if (sta) {
442 ret = 0;
17741cdc 443 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 444 sta_set_sinfo(sta, sinfo);
445 }
c5dd9c2b 446
d0709a65 447 rcu_read_unlock();
c5dd9c2b 448
d0709a65 449 return ret;
c5dd9c2b
LCC		 450}
451
1289723e
HS		 452static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
453 int idx, struct survey_info *survey)
454{
455 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
456
1289723e
HS		 457 return drv_get_survey(local, idx, survey);
458}
459
7bbdd2d9 460static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 461 u8 *mac, struct station_info *sinfo)
7bbdd2d9 462{
abe60632 463 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 464 struct sta_info *sta;
d0709a65 465 int ret = -ENOENT;
7bbdd2d9 466
d0709a65 467 rcu_read_lock();
7bbdd2d9 468
0e5ded5a 469 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 470 if (sta) {
471 ret = 0;
472 sta_set_sinfo(sta, sinfo);
473 }
474
475 rcu_read_unlock();
476
477 return ret;
7bbdd2d9
JB		 478}
479
7827493b
AN		 480static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata,
481 struct beacon_parameters *params)
482{
483 struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
484
485 bss_conf->ssid_len = params->ssid_len;
486
487 if (params->ssid_len)
488 memcpy(bss_conf->ssid, params->ssid, params->ssid_len);
489
490 bss_conf->hidden_ssid =
491 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
492}
493
5dfdaf58
JB		 494/*
495 * This handles both adding a beacon and setting new beacon info
496 */
497static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
498 struct beacon_parameters *params)
499{
500 struct beacon_data *new, *old;
501 int new_head_len, new_tail_len;
502 int size;
503 int err = -EINVAL;
504
40b275b6 505 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 506
507 /* head must not be zero-length */
508 if (params->head && !params->head_len)
509 return -EINVAL;
510
511 /*
512 * This is a kludge. beacon interval should really be part
513 * of the beacon information.
514 */
57c4d7b4
JB		 515 if (params->interval &&
516 (sdata->vif.bss_conf.beacon_int != params->interval)) {
517 sdata->vif.bss_conf.beacon_int = params->interval;
518 ieee80211_bss_info_change_notify(sdata,
519 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 520 }
521
522 /* Need to have a beacon head if we don't have one yet */
523 if (!params->head && !old)
524 return err;
525
526 /* sorry, no way to start beaconing without dtim period */
527 if (!params->dtim_period && !old)
528 return err;
529
530 /* new or old head? */
531 if (params->head)
532 new_head_len = params->head_len;
533 else
534 new_head_len = old->head_len;
535
536 /* new or old tail? */
537 if (params->tail || !old)
538 /* params->tail_len will be zero for !params->tail */
539 new_tail_len = params->tail_len;
540 else
541 new_tail_len = old->tail_len;
542
543 size = sizeof(*new) + new_head_len + new_tail_len;
544
545 new = kzalloc(size, GFP_KERNEL);
546 if (!new)
547 return -ENOMEM;
548
549 /* start filling the new info now */
550
551 /* new or old dtim period? */
552 if (params->dtim_period)
553 new->dtim_period = params->dtim_period;
554 else
555 new->dtim_period = old->dtim_period;
556
557 /*
558 * pointers go into the block we allocated,
559 * memory is | beacon_data | head | tail |
560 */
561 new->head = ((u8 *) new) + sizeof(*new);
562 new->tail = new->head + new_head_len;
563 new->head_len = new_head_len;
564 new->tail_len = new_tail_len;
565
566 /* copy in head */
567 if (params->head)
568 memcpy(new->head, params->head, new_head_len);
569 else
570 memcpy(new->head, old->head, new_head_len);
571
572 /* copy in optional tail */
573 if (params->tail)
574 memcpy(new->tail, params->tail, new_tail_len);
575 else
576 if (old)
577 memcpy(new->tail, old->tail, new_tail_len);
578
19885c4f
JB		 579 sdata->vif.bss_conf.dtim_period = new->dtim_period;
580
a9b3cd7f 581 RCU_INIT_POINTER(sdata->u.ap.beacon, new);
5dfdaf58
JB		 582
583 synchronize_rcu();
584
585 kfree(old);
586
7827493b
AN		 587 ieee80211_config_ap_ssid(sdata, params);
588
2d0ddec5 589 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
7827493b
AN		 590 BSS_CHANGED_BEACON |
591 BSS_CHANGED_SSID);
2d0ddec5 592 return 0;
5dfdaf58
JB		 593}
594
595static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
596 struct beacon_parameters *params)
597{
14db74bc 598 struct ieee80211_sub_if_data *sdata;
5dfdaf58 599 struct beacon_data *old;
665c93a9
JB		 600 struct ieee80211_sub_if_data *vlan;
601 int ret;
5dfdaf58 602
14db74bc
JB		 603 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
604
40b275b6 605 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 606 if (old)
607 return -EALREADY;
608
665c93a9
JB		 609 ret = ieee80211_config_beacon(sdata, params);
610 if (ret)
611 return ret;
612
613 /*
614 * Apply control port protocol, this allows us to
615 * not encrypt dynamic WEP control frames.
616 */
617 sdata->control_port_protocol = params->crypto.control_port_ethertype;
618 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
619 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
620 vlan->control_port_protocol =
621 params->crypto.control_port_ethertype;
622 vlan->control_port_no_encrypt =
623 params->crypto.control_port_no_encrypt;
624 }
625
626 return 0;
5dfdaf58
JB		 627}
628
629static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
630 struct beacon_parameters *params)
631{
14db74bc 632 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 633 struct beacon_data *old;
634
14db74bc
JB		 635 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
636
40b275b6 637 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 638 if (!old)
639 return -ENOENT;
640
641 return ieee80211_config_beacon(sdata, params);
642}
643
644static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
645{
14db74bc 646 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 647 struct beacon_data *old;
648
14db74bc
JB		 649 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
650
40b275b6 651 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 652 if (!old)
653 return -ENOENT;
654
a9b3cd7f 655 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
5dfdaf58
JB		 656 synchronize_rcu();
657 kfree(old);
658
2d0ddec5
JB		 659 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
660 return 0;
5dfdaf58
JB		 661}
662
4fd6931e
JB		 663/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
664struct iapp_layer2_update {
665 u8 da[ETH_ALEN]; /* broadcast */
666 u8 sa[ETH_ALEN]; /* STA addr */
667 __be16 len; /* 6 */
668 u8 dsap; /* 0 */
669 u8 ssap; /* 0 */
670 u8 control;
671 u8 xid_info[3];
bc10502d 672} __packed;
4fd6931e
JB		 673
674static void ieee80211_send_layer2_update(struct sta_info *sta)
675{
676 struct iapp_layer2_update *msg;
677 struct sk_buff *skb;
678
679 /* Send Level 2 Update Frame to update forwarding tables in layer 2
680 * bridge devices */
681
682 skb = dev_alloc_skb(sizeof(*msg));
683 if (!skb)
684 return;
685 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
686
687 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
688 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
689
690 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 691 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 692 msg->len = htons(6);
693 msg->dsap = 0;
694 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
695 msg->control = 0xaf; /* XID response lsb.1111F101.
696 * F=0 (no poll command; unsolicited frame) */
697 msg->xid_info[0] = 0x81; /* XID format identifier */
698 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
699 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
700
d0709a65
JB		 701 skb->dev = sta->sdata->dev;
702 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 703 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 704 netif_rx_ni(skb);
4fd6931e
JB		 705}
706
707static void sta_apply_parameters(struct ieee80211_local *local,
708 struct sta_info *sta,
709 struct station_parameters *params)
710{
711 u32 rates;
712 int i, j;
8318d78a 713 struct ieee80211_supported_band *sband;
d0709a65 714 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 715 u32 mask, set;
4fd6931e 716
ae5eb026
JB		 717 sband = local->hw.wiphy->bands[local->oper_channel->band];
718
eccb8e8f
JB		 719 mask = params->sta_flags_mask;
720 set = params->sta_flags_set;
73651ee6 721
eccb8e8f 722 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 723 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
c2c98fde
JB		 724 set_sta_flag(sta, WLAN_STA_AUTHORIZED);
725 else
726 clear_sta_flag(sta, WLAN_STA_AUTHORIZED);
eccb8e8f 727 }
4fd6931e 728
eccb8e8f 729 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 730 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 731 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
732 else
733 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 734 }
4fd6931e 735
eccb8e8f 736 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 737 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 738 set_sta_flag(sta, WLAN_STA_WME);
39df600a 739 sta->sta.wme = true;
c2c98fde
JB		 740 } else {
741 clear_sta_flag(sta, WLAN_STA_WME);
742 sta->sta.wme = false;
39df600a 743 }
eccb8e8f 744 }
5394af4d 745
eccb8e8f 746 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 747 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 748 set_sta_flag(sta, WLAN_STA_MFP);
749 else
750 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 751 }
b39c48fa
JC		 752
753 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
b39c48fa 754 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
c2c98fde
JB		 755 set_sta_flag(sta, WLAN_STA_AUTH);
756 else
757 clear_sta_flag(sta, WLAN_STA_AUTH);
b39c48fa 758 }
4fd6931e 759
07ba55d7 760 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 761 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 762 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
763 else
764 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 765 }
4fd6931e 766
3b9ce80c
JB		 767 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
768 sta->sta.uapsd_queues = params->uapsd_queues;
769 sta->sta.max_sp = params->max_sp;
770 }
9533b4ac 771
51b50fbe
JB		 772 /*
773 * cfg80211 validates this (1-2007) and allows setting the AID
774 * only when creating a new station entry
775 */
776 if (params->aid)
777 sta->sta.aid = params->aid;
778
73651ee6
JB		 779 /*
780 * FIXME: updating the following information is racy when this
781 * function is called from ieee80211_change_station().
782 * However, all this information should be static so
783 * maybe we should just reject attemps to change it.
784 */
785
4fd6931e
JB		 786 if (params->listen_interval >= 0)
787 sta->listen_interval = params->listen_interval;
788
789 if (params->supported_rates) {
790 rates = 0;
8318d78a 791
4fd6931e
JB		 792 for (i = 0; i < params->supported_rates_len; i++) {
793 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 794 for (j = 0; j < sband->n_bitrates; j++) {
795 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 796 rates |= BIT(j);
797 }
798 }
323ce79a 799 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 800 }
c5dd9c2b 801
d9fe60de 802 if (params->ht_capa)
ae5eb026
JB		 803 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
804 params->ht_capa,
d9fe60de 805 &sta->sta.ht_cap);
36aedc90 806
9c3990aa 807 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 808#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 809 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
810 switch (params->plink_state) {
57cf8043
JC		 811 case NL80211_PLINK_LISTEN:
812 case NL80211_PLINK_ESTAB:
813 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 814 sta->plink_state = params->plink_state;
815 break;
816 default:
817 /* nothing */
818 break;
819 }
820 else
821 switch (params->plink_action) {
822 case PLINK_ACTION_OPEN:
823 mesh_plink_open(sta);
824 break;
825 case PLINK_ACTION_BLOCK:
826 mesh_plink_block(sta);
827 break;
828 }
4daf50f2 829#endif
902acc78 830 }
4fd6931e
JB		 831}
832
833static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
834 u8 *mac, struct station_parameters *params)
835{
14db74bc 836 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 837 struct sta_info *sta;
838 struct ieee80211_sub_if_data *sdata;
73651ee6 839 int err;
b8d476c8 840 int layer2_update;
4fd6931e 841
4fd6931e
JB		 842 if (params->vlan) {
843 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
844
05c914fe
JB		 845 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
846 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 847 return -EINVAL;
848 } else
849 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
850
47846c9b 851 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 852 return -EINVAL;
853
854 if (is_multicast_ether_addr(mac))
855 return -EINVAL;
856
e3a4cc2f
JM		 857 /* Only TDLS-supporting stations can add TDLS peers */
858 if ((params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
859 !((wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
860 sdata->vif.type == NL80211_IFTYPE_STATION))
861 return -ENOTSUPP;
862
03e4497e 863 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 864 if (!sta)
865 return -ENOMEM;
4fd6931e 866
c2c98fde
JB		 867 set_sta_flag(sta, WLAN_STA_AUTH);
868 set_sta_flag(sta, WLAN_STA_ASSOC);
4fd6931e
JB		 869
870 sta_apply_parameters(local, sta, params);
871
4b7679a5 872 rate_control_rate_init(sta);
4fd6931e 873
b8d476c8
JM		 874 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
875 sdata->vif.type == NL80211_IFTYPE_AP;
876
34e89507 877 err = sta_info_insert_rcu(sta);
73651ee6 878 if (err) {
73651ee6
JB		 879 rcu_read_unlock();
880 return err;
881 }
882
b8d476c8 883 if (layer2_update)
73651ee6
JB		 884 ieee80211_send_layer2_update(sta);
885
886 rcu_read_unlock();
887
4fd6931e
JB		 888 return 0;
889}
890
891static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
892 u8 *mac)
893{
14db74bc
JB		 894 struct ieee80211_local *local = wiphy_priv(wiphy);
895 struct ieee80211_sub_if_data *sdata;
4fd6931e 896
14db74bc
JB		 897 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
898
34e89507
JB		 899 if (mac)
900 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 901
34e89507 902 sta_info_flush(local, sdata);
4fd6931e
JB		 903 return 0;
904}
905
906static int ieee80211_change_station(struct wiphy *wiphy,
907 struct net_device *dev,
908 u8 *mac,
909 struct station_parameters *params)
910{
abe60632 911 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 912 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 913 struct sta_info *sta;
914 struct ieee80211_sub_if_data *vlansdata;
915
98dd6a57
JB		 916 rcu_read_lock();
917
0e5ded5a 918 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 919 if (!sta) {
920 rcu_read_unlock();
4fd6931e 921 return -ENOENT;
98dd6a57 922 }
4fd6931e 923
07ba55d7
AN		 924 /* The TDLS bit cannot be toggled after the STA was added */
925 if ((params->sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
926 !!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) !=
c2c98fde 927 !!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
07ba55d7
AN		 928 rcu_read_unlock();
929 return -EINVAL;
930 }
931
d0709a65 932 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 933 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
934
05c914fe
JB		 935 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
936 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 937 rcu_read_unlock();
4fd6931e 938 return -EINVAL;
98dd6a57 939 }
4fd6931e 940
9bc383de 941 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 942 if (vlansdata->u.vlan.sta) {
943 rcu_read_unlock();
f14543ee 944 return -EBUSY;
3305443c 945 }
f14543ee 946
a9b3cd7f 947 RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta);
f14543ee
FF		 948 }
949
14db74bc 950 sta->sdata = vlansdata;
4fd6931e
JB		 951 ieee80211_send_layer2_update(sta);
952 }
953
954 sta_apply_parameters(local, sta, params);
955
98dd6a57
JB		 956 rcu_read_unlock();
957
808118cb
JY		 958 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
959 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
960 ieee80211_recalc_ps(local, -1);
961
4fd6931e
JB		 962 return 0;
963}
964
c5dd9c2b
LCC		 965#ifdef CONFIG_MAC80211_MESH
966static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
967 u8 *dst, u8 *next_hop)
968{
14db74bc 969 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 970 struct mesh_path *mpath;
971 struct sta_info *sta;
972 int err;
973
14db74bc
JB		 974 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
975
d0709a65 976 rcu_read_lock();
abe60632 977 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 978 if (!sta) {
979 rcu_read_unlock();
c5dd9c2b 980 return -ENOENT;
d0709a65 981 }
c5dd9c2b 982
f698d856 983 err = mesh_path_add(dst, sdata);
d0709a65
JB		 984 if (err) {
985 rcu_read_unlock();
c5dd9c2b 986 return err;
d0709a65 987 }
c5dd9c2b 988
f698d856 989 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 990 if (!mpath) {
991 rcu_read_unlock();
c5dd9c2b
LCC		 992 return -ENXIO;
993 }
994 mesh_path_fix_nexthop(mpath, sta);
d0709a65 995
c5dd9c2b
LCC		 996 rcu_read_unlock();
997 return 0;
998}
999
1000static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1001 u8 *dst)
1002{
f698d856
JBG		 1003 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1004
c5dd9c2b 1005 if (dst)
f698d856 1006 return mesh_path_del(dst, sdata);
c5dd9c2b 1007
ece1a2e7 1008 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1009 return 0;
1010}
1011
1012static int ieee80211_change_mpath(struct wiphy *wiphy,
1013 struct net_device *dev,
1014 u8 *dst, u8 *next_hop)
1015{
14db74bc 1016 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1017 struct mesh_path *mpath;
1018 struct sta_info *sta;
1019
14db74bc
JB		 1020 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021
d0709a65
JB		 1022 rcu_read_lock();
1023
abe60632 1024 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1025 if (!sta) {
1026 rcu_read_unlock();
c5dd9c2b 1027 return -ENOENT;
d0709a65 1028 }
c5dd9c2b 1029
f698d856 1030 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1031 if (!mpath) {
1032 rcu_read_unlock();
c5dd9c2b
LCC		 1033 return -ENOENT;
1034 }
1035
1036 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1037
c5dd9c2b
LCC		 1038 rcu_read_unlock();
1039 return 0;
1040}
1041
1042static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1043 struct mpath_info *pinfo)
1044{
a3836e02
JB		 1045 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1046
1047 if (next_hop_sta)
1048 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1049 else
1050 memset(next_hop, 0, ETH_ALEN);
1051
f5ea9120
JB		 1052 pinfo->generation = mesh_paths_generation;
1053
c5dd9c2b 1054 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1055 MPATH_INFO_SN |
c5dd9c2b
LCC		 1056 MPATH_INFO_METRIC |
1057 MPATH_INFO_EXPTIME |
1058 MPATH_INFO_DISCOVERY_TIMEOUT |
1059 MPATH_INFO_DISCOVERY_RETRIES |
1060 MPATH_INFO_FLAGS;
1061
1062 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1063 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1064 pinfo->metric = mpath->metric;
1065 if (time_before(jiffies, mpath->exp_time))
1066 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1067 pinfo->discovery_timeout =
1068 jiffies_to_msecs(mpath->discovery_timeout);
1069 pinfo->discovery_retries = mpath->discovery_retries;
1070 pinfo->flags = 0;
1071 if (mpath->flags & MESH_PATH_ACTIVE)
1072 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1073 if (mpath->flags & MESH_PATH_RESOLVING)
1074 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1075 if (mpath->flags & MESH_PATH_SN_VALID)
1076 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1077 if (mpath->flags & MESH_PATH_FIXED)
1078 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1079 if (mpath->flags & MESH_PATH_RESOLVING)
1080 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1081
1082 pinfo->flags = mpath->flags;
1083}
1084
1085static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1086 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1087
1088{
14db74bc 1089 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1090 struct mesh_path *mpath;
1091
14db74bc
JB		 1092 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1093
c5dd9c2b 1094 rcu_read_lock();
f698d856 1095 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1096 if (!mpath) {
1097 rcu_read_unlock();
1098 return -ENOENT;
1099 }
1100 memcpy(dst, mpath->dst, ETH_ALEN);
1101 mpath_set_pinfo(mpath, next_hop, pinfo);
1102 rcu_read_unlock();
1103 return 0;
1104}
1105
1106static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1107 int idx, u8 *dst, u8 *next_hop,
1108 struct mpath_info *pinfo)
1109{
14db74bc 1110 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1111 struct mesh_path *mpath;
1112
14db74bc
JB		 1113 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1114
c5dd9c2b 1115 rcu_read_lock();
f698d856 1116 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1117 if (!mpath) {
1118 rcu_read_unlock();
1119 return -ENOENT;
1120 }
1121 memcpy(dst, mpath->dst, ETH_ALEN);
1122 mpath_set_pinfo(mpath, next_hop, pinfo);
1123 rcu_read_unlock();
1124 return 0;
1125}
93da9cc1 1126
24bdd9f4 1127static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1128 struct net_device *dev,
1129 struct mesh_config *conf)
1130{
1131 struct ieee80211_sub_if_data *sdata;
1132 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1133
93da9cc1 1134 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1135 return 0;
1136}
1137
1138static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1139{
1140 return (mask >> (parm-1)) & 0x1;
1141}
1142
c80d545d
JC		 1143static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1144 const struct mesh_setup *setup)
1145{
1146 u8 *new_ie;
1147 const u8 *old_ie;
1148
581a8b0f 1149 /* allocate information elements */
c80d545d 1150 new_ie = NULL;
581a8b0f 1151 old_ie = ifmsh->ie;
c80d545d 1152
581a8b0f
JC		 1153 if (setup->ie_len) {
1154 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1155 GFP_KERNEL);
1156 if (!new_ie)
1157 return -ENOMEM;
1158 }
581a8b0f
JC		 1159 ifmsh->ie_len = setup->ie_len;
1160 ifmsh->ie = new_ie;
1161 kfree(old_ie);
c80d545d
JC		 1162
1163 /* now copy the rest of the setup parameters */
1164 ifmsh->mesh_id_len = setup->mesh_id_len;
1165 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1166 ifmsh->mesh_pp_id = setup->path_sel_proto;
1167 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1168 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1169 if (setup->is_authenticated)
1170 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1171 if (setup->is_secure)
1172 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d
JC		 1173
1174 return 0;
1175}
1176
24bdd9f4 1177static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1178 struct net_device *dev, u32 mask,
1179 const struct mesh_config *nconf)
93da9cc1 1180{
1181 struct mesh_config *conf;
1182 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1183 struct ieee80211_if_mesh *ifmsh;
1184
93da9cc1 1185 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1186 ifmsh = &sdata->u.mesh;
93da9cc1 1187
93da9cc1 1188 /* Set the config options which we are interested in setting */
1189 conf = &(sdata->u.mesh.mshcfg);
1190 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1191 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1192 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1193 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1194 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1195 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1196 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1197 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1198 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1199 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1200 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1201 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1202 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1203 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1204 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1205 conf->auto_open_plinks = nconf->auto_open_plinks;
1206 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1207 conf->dot11MeshHWMPmaxPREQretries =
1208 nconf->dot11MeshHWMPmaxPREQretries;
1209 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1210 conf->path_refresh_time = nconf->path_refresh_time;
1211 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1212 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1213 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1214 conf->dot11MeshHWMPactivePathTimeout =
1215 nconf->dot11MeshHWMPactivePathTimeout;
1216 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1217 conf->dot11MeshHWMPpreqMinInterval =
1218 nconf->dot11MeshHWMPpreqMinInterval;
1219 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1220 mask))
1221 conf->dot11MeshHWMPnetDiameterTraversalTime =
1222 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1223 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1224 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1225 ieee80211_mesh_root_setup(ifmsh);
1226 }
16dd7267 1227 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1228 /* our current gate announcement implementation rides on root
1229 * announcements, so require this ifmsh to also be a root node
1230 * */
1231 if (nconf->dot11MeshGateAnnouncementProtocol &&
1232 !conf->dot11MeshHWMPRootMode) {
1233 conf->dot11MeshHWMPRootMode = 1;
1234 ieee80211_mesh_root_setup(ifmsh);
1235 }
16dd7267
JC		 1236 conf->dot11MeshGateAnnouncementProtocol =
1237 nconf->dot11MeshGateAnnouncementProtocol;
1238 }
0507e159
JC		 1239 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1240 conf->dot11MeshHWMPRannInterval =
1241 nconf->dot11MeshHWMPRannInterval;
1242 }
93da9cc1 1243 return 0;
1244}
1245
29cbe68c
JB		 1246static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1247 const struct mesh_config *conf,
1248 const struct mesh_setup *setup)
1249{
1250 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1251 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1252 int err;
29cbe68c 1253
c80d545d
JC		 1254 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1255 err = copy_mesh_setup(ifmsh, setup);
1256 if (err)
1257 return err;
29cbe68c
JB		 1258 ieee80211_start_mesh(sdata);
1259
1260 return 0;
1261}
1262
1263static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1264{
1265 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1266
1267 ieee80211_stop_mesh(sdata);
1268
1269 return 0;
1270}
c5dd9c2b
LCC		 1271#endif
1272
9f1ba906
JM		 1273static int ieee80211_change_bss(struct wiphy *wiphy,
1274 struct net_device *dev,
1275 struct bss_parameters *params)
1276{
9f1ba906
JM		 1277 struct ieee80211_sub_if_data *sdata;
1278 u32 changed = 0;
1279
9f1ba906
JM		 1280 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1281
9f1ba906 1282 if (params->use_cts_prot >= 0) {
bda3933a 1283 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1284 changed |= BSS_CHANGED_ERP_CTS_PROT;
1285 }
1286 if (params->use_short_preamble >= 0) {
bda3933a 1287 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1288 params->use_short_preamble;
1289 changed |= BSS_CHANGED_ERP_PREAMBLE;
1290 }
43d35343
FF		 1291
1292 if (!sdata->vif.bss_conf.use_short_slot &&
1293 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1294 sdata->vif.bss_conf.use_short_slot = true;
1295 changed |= BSS_CHANGED_ERP_SLOT;
1296 }
1297
9f1ba906 1298 if (params->use_short_slot_time >= 0) {
bda3933a 1299 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1300 params->use_short_slot_time;
1301 changed |= BSS_CHANGED_ERP_SLOT;
1302 }
1303
90c97a04
JM		 1304 if (params->basic_rates) {
1305 int i, j;
1306 u32 rates = 0;
1307 struct ieee80211_local *local = wiphy_priv(wiphy);
1308 struct ieee80211_supported_band *sband =
1309 wiphy->bands[local->oper_channel->band];
1310
1311 for (i = 0; i < params->basic_rates_len; i++) {
1312 int rate = (params->basic_rates[i] & 0x7f) * 5;
1313 for (j = 0; j < sband->n_bitrates; j++) {
1314 if (sband->bitrates[j].bitrate == rate)
1315 rates |= BIT(j);
1316 }
1317 }
1318 sdata->vif.bss_conf.basic_rates = rates;
1319 changed |= BSS_CHANGED_BASIC_RATES;
1320 }
1321
7b7b5e56
FF		 1322 if (params->ap_isolate >= 0) {
1323 if (params->ap_isolate)
1324 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1325 else
1326 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1327 }
1328
80d7e403
HS		 1329 if (params->ht_opmode >= 0) {
1330 sdata->vif.bss_conf.ht_operation_mode =
1331 (u16) params->ht_opmode;
1332 changed |= BSS_CHANGED_HT;
1333 }
1334
9f1ba906
JM		 1335 ieee80211_bss_info_change_notify(sdata, changed);
1336
1337 return 0;
1338}
1339
31888487 1340static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1341 struct net_device *dev,
31888487
JM		 1342 struct ieee80211_txq_params *params)
1343{
1344 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1346 struct ieee80211_tx_queue_params p;
1347
1348 if (!local->ops->conf_tx)
1349 return -EOPNOTSUPP;
1350
1351 memset(&p, 0, sizeof(p));
1352 p.aifs = params->aifs;
1353 p.cw_max = params->cwmax;
1354 p.cw_min = params->cwmin;
1355 p.txop = params->txop;
ab13315a
KV		 1356
1357 /*
1358 * Setting tx queue params disables u-apsd because it's only
1359 * called in master mode.
1360 */
1361 p.uapsd = false;
1362
2683d65b
EP		 1363 if (params->queue >= local->hw.queues)
1364 return -EINVAL;
1365
f6f3def3
EP		 1366 sdata->tx_conf[params->queue] = p;
1367 if (drv_conf_tx(local, sdata, params->queue, &p)) {
0fb9a9ec
JP		 1368 wiphy_debug(local->hw.wiphy,
1369 "failed to set TX queue parameters for queue %d\n",
1370 params->queue);
31888487
JM		 1371 return -EINVAL;
1372 }
1373
1374 return 0;
1375}
1376
72bdcf34 1377static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1378 struct net_device *netdev,
72bdcf34 1379 struct ieee80211_channel *chan,
094d05dc 1380 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1381{
1382 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b 1383 struct ieee80211_sub_if_data *sdata = NULL;
eeabee7e
BG		 1384 struct ieee80211_channel *old_oper;
1385 enum nl80211_channel_type old_oper_type;
1386 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
0aaffa9b
JB		 1387
1388 if (netdev)
1389 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1390
f444de05
JB		 1391 switch (ieee80211_get_channel_mode(local, NULL)) {
1392 case CHAN_MODE_HOPPING:
1393 return -EBUSY;
1394 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1395 if (local->oper_channel != chan)
1396 return -EBUSY;
1397 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1398 return 0;
0aaffa9b 1399 break;
f444de05
JB		 1400 case CHAN_MODE_UNDEFINED:
1401 break;
1402 }
72bdcf34 1403
eeabee7e
BG		 1404 if (sdata)
1405 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1406 old_oper_type = local->_oper_channel_type;
72bdcf34 1407
0aaffa9b
JB		 1408 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1409 return -EBUSY;
1410
eeabee7e
BG		 1411 old_oper = local->oper_channel;
1412 local->oper_channel = chan;
1413
1414 /* Update driver if changes were actually made. */
1415 if ((old_oper != local->oper_channel) ||
1416 (old_oper_type != local->_oper_channel_type))
1417 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1418
ef5af747 1419 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
eeabee7e 1420 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
0aaffa9b
JB		 1421 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1422
1423 return 0;
72bdcf34
JM		 1424}
1425
665af4fc 1426#ifdef CONFIG_PM
ff1b6e69
JB		 1427static int ieee80211_suspend(struct wiphy *wiphy,
1428 struct cfg80211_wowlan *wowlan)
665af4fc 1429{
eecc4800 1430 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1431}
1432
1433static int ieee80211_resume(struct wiphy *wiphy)
1434{
1435 return __ieee80211_resume(wiphy_priv(wiphy));
1436}
1437#else
1438#define ieee80211_suspend NULL
1439#define ieee80211_resume NULL
1440#endif
1441
2a519311
JB		 1442static int ieee80211_scan(struct wiphy *wiphy,
1443 struct net_device *dev,
1444 struct cfg80211_scan_request *req)
1445{
2ca27bcf 1446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1447
2ca27bcf
JB		 1448 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1449 case NL80211_IFTYPE_STATION:
1450 case NL80211_IFTYPE_ADHOC:
1451 case NL80211_IFTYPE_MESH_POINT:
1452 case NL80211_IFTYPE_P2P_CLIENT:
1453 break;
1454 case NL80211_IFTYPE_P2P_GO:
1455 if (sdata->local->ops->hw_scan)
1456 break;
e9d7732e
JB		 1457 /*
1458 * FIXME: implement NoA while scanning in software,
1459 * for now fall through to allow scanning only when
1460 * beaconing hasn't been configured yet
1461 */
2ca27bcf
JB		 1462 case NL80211_IFTYPE_AP:
1463 if (sdata->u.ap.beacon)
1464 return -EOPNOTSUPP;
1465 break;
1466 default:
1467 return -EOPNOTSUPP;
1468 }
2a519311
JB		 1469
1470 return ieee80211_request_scan(sdata, req);
1471}
1472
79f460ca
LC		 1473static int
1474ieee80211_sched_scan_start(struct wiphy *wiphy,
1475 struct net_device *dev,
1476 struct cfg80211_sched_scan_request *req)
1477{
1478 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1479
1480 if (!sdata->local->ops->sched_scan_start)
1481 return -EOPNOTSUPP;
1482
1483 return ieee80211_request_sched_scan_start(sdata, req);
1484}
1485
1486static int
85a9994a 1487ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1488{
1489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1490
1491 if (!sdata->local->ops->sched_scan_stop)
1492 return -EOPNOTSUPP;
1493
85a9994a 1494 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1495}
1496
636a5d36
JM		 1497static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1498 struct cfg80211_auth_request *req)
1499{
77fdaa12 1500 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1501}
1502
1503static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1504 struct cfg80211_assoc_request *req)
1505{
f444de05
JB		 1506 struct ieee80211_local *local = wiphy_priv(wiphy);
1507 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1508
1509 switch (ieee80211_get_channel_mode(local, sdata)) {
1510 case CHAN_MODE_HOPPING:
1511 return -EBUSY;
1512 case CHAN_MODE_FIXED:
1513 if (local->oper_channel == req->bss->channel)
1514 break;
1515 return -EBUSY;
1516 case CHAN_MODE_UNDEFINED:
1517 break;
1518 }
1519
77fdaa12 1520 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1521}
1522
1523static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1524 struct cfg80211_deauth_request *req,
1525 void *cookie)
636a5d36 1526{
667503dd
JB		 1527 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1528 req, cookie);
636a5d36
JM		 1529}
1530
1531static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1532 struct cfg80211_disassoc_request *req,
1533 void *cookie)
636a5d36 1534{
667503dd
JB		 1535 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1536 req, cookie);
636a5d36
JM		 1537}
1538
af8cdcd8
JB		 1539static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1540 struct cfg80211_ibss_params *params)
1541{
f444de05 1542 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1543 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1544
f444de05
JB		 1545 switch (ieee80211_get_channel_mode(local, sdata)) {
1546 case CHAN_MODE_HOPPING:
1547 return -EBUSY;
1548 case CHAN_MODE_FIXED:
1549 if (!params->channel_fixed)
1550 return -EBUSY;
1551 if (local->oper_channel == params->channel)
1552 break;
1553 return -EBUSY;
1554 case CHAN_MODE_UNDEFINED:
1555 break;
1556 }
1557
af8cdcd8
JB		 1558 return ieee80211_ibss_join(sdata, params);
1559}
1560
1561static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1562{
1563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1564
1565 return ieee80211_ibss_leave(sdata);
1566}
1567
b9a5f8ca
JM		 1568static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1569{
1570 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1571 int err;
b9a5f8ca 1572
f23a4780
AN		 1573 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1574 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1575
1576 if (err)
1577 return err;
1578 }
1579
310bc676
LT		 1580 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1581 err = drv_set_coverage_class(local, wiphy->coverage_class);
1582
1583 if (err)
1584 return err;
1585 }
1586
b9a5f8ca 1587 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1588 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1589
24487981
JB		 1590 if (err)
1591 return err;
b9a5f8ca
JM		 1592 }
1593
1594 if (changed & WIPHY_PARAM_RETRY_SHORT)
1595 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1596 if (changed & WIPHY_PARAM_RETRY_LONG)
1597 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1598 if (changed &
1599 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1600 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1601
1602 return 0;
1603}
1604
7643a2c3 1605static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1606 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1607{
1608 struct ieee80211_local *local = wiphy_priv(wiphy);
1609 struct ieee80211_channel *chan = local->hw.conf.channel;
1610 u32 changes = 0;
7643a2c3
JB		 1611
1612 switch (type) {
fa61cf70 1613 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1614 local->user_power_level = -1;
1615 break;
fa61cf70
JO		 1616 case NL80211_TX_POWER_LIMITED:
1617 if (mbm < 0 || (mbm % 100))
1618 return -EOPNOTSUPP;
1619 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1620 break;
fa61cf70
JO		 1621 case NL80211_TX_POWER_FIXED:
1622 if (mbm < 0 || (mbm % 100))
1623 return -EOPNOTSUPP;
7643a2c3 1624 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1625 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1626 return -EINVAL;
fa61cf70 1627 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1628 break;
7643a2c3
JB		 1629 }
1630
1631 ieee80211_hw_config(local, changes);
1632
1633 return 0;
1634}
1635
1636static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1637{
1638 struct ieee80211_local *local = wiphy_priv(wiphy);
1639
1640 *dbm = local->hw.conf.power_level;
1641
7643a2c3
JB		 1642 return 0;
1643}
1644
ab737a4f 1645static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1646 const u8 *addr)
ab737a4f
JB		 1647{
1648 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1649
1650 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1651
1652 return 0;
1653}
1654
1f87f7d3
JB		 1655static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1656{
1657 struct ieee80211_local *local = wiphy_priv(wiphy);
1658
1659 drv_rfkill_poll(local);
1660}
1661
aff89a9b 1662#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1663static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1664{
1665 struct ieee80211_local *local = wiphy_priv(wiphy);
1666
1667 if (!local->ops->testmode_cmd)
1668 return -EOPNOTSUPP;
1669
1670 return local->ops->testmode_cmd(&local->hw, data, len);
1671}
71063f0e
WYG		 1672
1673static int ieee80211_testmode_dump(struct wiphy *wiphy,
1674 struct sk_buff *skb,
1675 struct netlink_callback *cb,
1676 void *data, int len)
1677{
1678 struct ieee80211_local *local = wiphy_priv(wiphy);
1679
1680 if (!local->ops->testmode_dump)
1681 return -EOPNOTSUPP;
1682
1683 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1684}
aff89a9b
JB		 1685#endif
1686
0f78231b
JB		 1687int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1688 enum ieee80211_smps_mode smps_mode)
1689{
1690 const u8 *ap;
1691 enum ieee80211_smps_mode old_req;
1692 int err;
1693
243e6df4
JB		 1694 lockdep_assert_held(&sdata->u.mgd.mtx);
1695
0f78231b
JB		 1696 old_req = sdata->u.mgd.req_smps;
1697 sdata->u.mgd.req_smps = smps_mode;
1698
1699 if (old_req == smps_mode &&
1700 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1701 return 0;
1702
1703 /*
1704 * If not associated, or current association is not an HT
1705 * association, there's no need to send an action frame.
1706 */
1707 if (!sdata->u.mgd.associated ||
0aaffa9b 1708 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1709 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1710 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1711 mutex_unlock(&sdata->local->iflist_mtx);
1712 return 0;
1713 }
1714
0c1ad2ca 1715 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1716
1717 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1718 if (sdata->u.mgd.powersave)
1719 smps_mode = IEEE80211_SMPS_DYNAMIC;
1720 else
1721 smps_mode = IEEE80211_SMPS_OFF;
1722 }
1723
1724 /* send SM PS frame to AP */
1725 err = ieee80211_send_smps_action(sdata, smps_mode,
1726 ap, ap);
1727 if (err)
1728 sdata->u.mgd.req_smps = old_req;
1729
1730 return err;
1731}
1732
bc92afd9
JB		 1733static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1734 bool enabled, int timeout)
1735{
1736 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1737 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1738
e5de30c9
BP		 1739 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1740 return -EOPNOTSUPP;
1741
bc92afd9
JB		 1742 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1743 return -EOPNOTSUPP;
1744
1745 if (enabled == sdata->u.mgd.powersave &&
ff616381 1746 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 1747 return 0;
1748
1749 sdata->u.mgd.powersave = enabled;
ff616381 1750 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1751
0f78231b
JB		 1752 /* no change, but if automatic follow powersave */
1753 mutex_lock(&sdata->u.mgd.mtx);
1754 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1755 mutex_unlock(&sdata->u.mgd.mtx);
1756
bc92afd9
JB		 1757 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1758 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1759
1760 ieee80211_recalc_ps(local, -1);
1761
1762 return 0;
1763}
1764
a97c13c3
JO		 1765static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1766 struct net_device *dev,
1767 s32 rssi_thold, u32 rssi_hyst)
1768{
1769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1770 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1771 struct ieee80211_vif *vif = &sdata->vif;
1772 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1773
a97c13c3
JO		 1774 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1775 rssi_hyst == bss_conf->cqm_rssi_hyst)
1776 return 0;
1777
1778 bss_conf->cqm_rssi_thold = rssi_thold;
1779 bss_conf->cqm_rssi_hyst = rssi_hyst;
1780
17e4ec14
JM		 1781 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1782 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1783 return -EOPNOTSUPP;
1784 return 0;
1785 }
1786
a97c13c3
JO		 1787 /* tell the driver upon association, unless already associated */
1788 if (sdata->u.mgd.associated)
1789 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1790
1791 return 0;
1792}
1793
9930380f
JB		 1794static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1795 struct net_device *dev,
1796 const u8 *addr,
1797 const struct cfg80211_bitrate_mask *mask)
1798{
1799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1800 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 1801 int i, ret;
2c7e6bc9 1802
bdbfd6b5
SM		 1803 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1804 ret = drv_set_bitrate_mask(local, sdata, mask);
1805 if (ret)
1806 return ret;
1807 }
9930380f 1808
37eb0b16
JM		 1809 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1810 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1811
37eb0b16 1812 return 0;
9930380f
JB		 1813}
1814
21f83589
JB		 1815static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1816 struct net_device *dev,
1817 struct ieee80211_channel *chan,
1818 enum nl80211_channel_type chantype,
1819 unsigned int duration, u64 *cookie)
1820{
1821 int ret;
1822 u32 random_cookie;
1823
1824 lockdep_assert_held(&local->mtx);
1825
1826 if (local->hw_roc_cookie)
1827 return -EBUSY;
1828 /* must be nonzero */
1829 random_cookie = random32() | 1;
1830
1831 *cookie = random_cookie;
1832 local->hw_roc_dev = dev;
1833 local->hw_roc_cookie = random_cookie;
1834 local->hw_roc_channel = chan;
1835 local->hw_roc_channel_type = chantype;
1836 local->hw_roc_duration = duration;
1837 ret = drv_remain_on_channel(local, chan, chantype, duration);
1838 if (ret) {
1839 local->hw_roc_channel = NULL;
1840 local->hw_roc_cookie = 0;
1841 }
1842
1843 return ret;
1844}
1845
b8bc4b0a
JB		 1846static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1847 struct net_device *dev,
1848 struct ieee80211_channel *chan,
1849 enum nl80211_channel_type channel_type,
1850 unsigned int duration,
1851 u64 *cookie)
1852{
1853 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 1854 struct ieee80211_local *local = sdata->local;
1855
1856 if (local->ops->remain_on_channel) {
1857 int ret;
1858
1859 mutex_lock(&local->mtx);
1860 ret = ieee80211_remain_on_channel_hw(local, dev,
1861 chan, channel_type,
1862 duration, cookie);
90fc4b3a 1863 local->hw_roc_for_tx = false;
21f83589
JB		 1864 mutex_unlock(&local->mtx);
1865
1866 return ret;
1867 }
b8bc4b0a
JB		 1868
1869 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1870 duration, cookie);
1871}
1872
21f83589
JB		 1873static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1874 u64 cookie)
1875{
1876 int ret;
1877
1878 lockdep_assert_held(&local->mtx);
1879
1880 if (local->hw_roc_cookie != cookie)
1881 return -ENOENT;
1882
1883 ret = drv_cancel_remain_on_channel(local);
1884 if (ret)
1885 return ret;
1886
1887 local->hw_roc_cookie = 0;
1888 local->hw_roc_channel = NULL;
1889
1890 ieee80211_recalc_idle(local);
1891
1892 return 0;
1893}
1894
b8bc4b0a
JB		 1895static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1896 struct net_device *dev,
1897 u64 cookie)
1898{
1899 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 1900 struct ieee80211_local *local = sdata->local;
1901
1902 if (local->ops->cancel_remain_on_channel) {
1903 int ret;
1904
1905 mutex_lock(&local->mtx);
1906 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1907 mutex_unlock(&local->mtx);
1908
1909 return ret;
1910 }
b8bc4b0a
JB		 1911
1912 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1913}
1914
f30221e4
JB		 1915static enum work_done_result
1916ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1917{
1918 /*
1919 * Use the data embedded in the work struct for reporting
1920 * here so if the driver mangled the SKB before dropping
1921 * it (which is the only way we really should get here)
1922 * then we don't report mangled data.
1923 *
1924 * If there was no wait time, then by the time we get here
1925 * the driver will likely not have reported the status yet,
1926 * so in that case userspace will have to deal with it.
1927 */
1928
28a1bcdb 1929 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
f30221e4
JB		 1930 cfg80211_mgmt_tx_status(wk->sdata->dev,
1931 (unsigned long) wk->offchan_tx.frame,
1932 wk->ie, wk->ie_len, false, GFP_KERNEL);
1933
1934 return WORK_DONE_DESTROY;
1935}
1936
2e161f78 1937static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 1938 struct ieee80211_channel *chan, bool offchan,
2e161f78 1939 enum nl80211_channel_type channel_type,
f7ca38df 1940 bool channel_type_valid, unsigned int wait,
e9f935e3 1941 const u8 *buf, size_t len, bool no_cck,
e247bd90 1942 bool dont_wait_for_ack, u64 *cookie)
026331c4 1943{
9d38d85d
JB		 1944 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1945 struct ieee80211_local *local = sdata->local;
1946 struct sk_buff *skb;
1947 struct sta_info *sta;
f30221e4 1948 struct ieee80211_work *wk;
9d38d85d 1949 const struct ieee80211_mgmt *mgmt = (void *)buf;
e247bd90 1950 u32 flags;
f30221e4 1951 bool is_offchan = false;
f7ca38df 1952
e247bd90
JB		 1953 if (dont_wait_for_ack)
1954 flags = IEEE80211_TX_CTL_NO_ACK;
1955 else
1956 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1957 IEEE80211_TX_CTL_REQ_TX_STATUS;
1958
9d38d85d
JB		 1959 /* Check that we are on the requested channel for transmission */
1960 if (chan != local->tmp_channel &&
1961 chan != local->oper_channel)
f30221e4 1962 is_offchan = true;
9d38d85d
JB		 1963 if (channel_type_valid &&
1964 (channel_type != local->tmp_channel_type &&
1965 channel_type != local->_oper_channel_type))
f30221e4
JB		 1966 is_offchan = true;
1967
21f83589
JB		 1968 if (chan == local->hw_roc_channel) {
1969 /* TODO: check channel type? */
1970 is_offchan = false;
1971 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
1972 }
1973
aad14ceb
RM		 1974 if (no_cck)
1975 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
1976
f30221e4 1977 if (is_offchan && !offchan)
9d38d85d
JB		 1978 return -EBUSY;
1979
1980 switch (sdata->vif.type) {
1981 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 1982 case NL80211_IFTYPE_AP:
1983 case NL80211_IFTYPE_AP_VLAN:
1984 case NL80211_IFTYPE_P2P_GO:
c7108a71 1985 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB		 1986 if (!ieee80211_is_action(mgmt->frame_control) ||
1987 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 1988 break;
1989 rcu_read_lock();
1990 sta = sta_info_get(sdata, mgmt->da);
1991 rcu_read_unlock();
1992 if (!sta)
1993 return -ENOLINK;
1994 break;
1995 case NL80211_IFTYPE_STATION:
663fcafd 1996 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 1997 break;
1998 default:
1999 return -EOPNOTSUPP;
2000 }
2001
2002 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2003 if (!skb)
2004 return -ENOMEM;
2005 skb_reserve(skb, local->hw.extra_tx_headroom);
2006
2007 memcpy(skb_put(skb, len), buf, len);
2008
2009 IEEE80211_SKB_CB(skb)->flags = flags;
2010
2011 skb->dev = sdata->dev;
9d38d85d
JB		 2012
2013 *cookie = (unsigned long) skb;
f30221e4 2014
90fc4b3a
JB		 2015 if (is_offchan && local->ops->remain_on_channel) {
2016 unsigned int duration;
2017 int ret;
2018
2019 mutex_lock(&local->mtx);
2020 /*
2021 * If the duration is zero, then the driver
2022 * wouldn't actually do anything. Set it to
2023 * 100 for now.
2024 *
2025 * TODO: cancel the off-channel operation
2026 * when we get the SKB's TX status and
2027 * the wait time was zero before.
2028 */
2029 duration = 100;
2030 if (wait)
2031 duration = wait;
2032 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2033 channel_type,
2034 duration, cookie);
2035 if (ret) {
2036 kfree_skb(skb);
2037 mutex_unlock(&local->mtx);
2038 return ret;
2039 }
2040
2041 local->hw_roc_for_tx = true;
2042 local->hw_roc_duration = wait;
2043
2044 /*
2045 * queue up frame for transmission after
2046 * ieee80211_ready_on_channel call
2047 */
2048
2049 /* modify cookie to prevent API mismatches */
2050 *cookie ^= 2;
2051 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2052 local->hw_roc_skb = skb;
4334ec85 2053 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB		 2054 mutex_unlock(&local->mtx);
2055
2056 return 0;
2057 }
2058
f30221e4
JB		 2059 /*
2060 * Can transmit right away if the channel was the
2061 * right one and there's no wait involved... If a
2062 * wait is involved, we might otherwise not be on
2063 * the right channel for long enough!
2064 */
2065 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2066 ieee80211_tx_skb(sdata, skb);
2067 return 0;
2068 }
2069
2070 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2071 if (!wk) {
2072 kfree_skb(skb);
2073 return -ENOMEM;
2074 }
2075
2076 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2077 wk->chan = chan;
4d51e149 2078 wk->chan_type = channel_type;
f30221e4
JB		 2079 wk->sdata = sdata;
2080 wk->done = ieee80211_offchan_tx_done;
2081 wk->offchan_tx.frame = skb;
2082 wk->offchan_tx.wait = wait;
2083 wk->ie_len = len;
2084 memcpy(wk->ie, buf, len);
2085
2086 ieee80211_add_work(wk);
9d38d85d 2087 return 0;
026331c4
JM		 2088}
2089
f30221e4
JB		 2090static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2091 struct net_device *dev,
2092 u64 cookie)
2093{
2094 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2095 struct ieee80211_local *local = sdata->local;
2096 struct ieee80211_work *wk;
2097 int ret = -ENOENT;
2098
2099 mutex_lock(&local->mtx);
90fc4b3a
JB		 2100
2101 if (local->ops->cancel_remain_on_channel) {
2102 cookie ^= 2;
2103 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2104
2105 if (ret == 0) {
2106 kfree_skb(local->hw_roc_skb);
2107 local->hw_roc_skb = NULL;
4334ec85 2108 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB		 2109 }
2110
2111 mutex_unlock(&local->mtx);
2112
2113 return ret;
2114 }
2115
f30221e4
JB		 2116 list_for_each_entry(wk, &local->work_list, list) {
2117 if (wk->sdata != sdata)
2118 continue;
2119
2120 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2121 continue;
2122
2123 if (cookie != (unsigned long) wk->offchan_tx.frame)
2124 continue;
2125
2126 wk->timeout = jiffies;
2127
2128 ieee80211_queue_work(&local->hw, &local->work_work);
2129 ret = 0;
2130 break;
2131 }
2132 mutex_unlock(&local->mtx);
2133
2134 return ret;
2135}
2136
7be5086d
JB		 2137static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2138 struct net_device *dev,
2139 u16 frame_type, bool reg)
2140{
2141 struct ieee80211_local *local = wiphy_priv(wiphy);
2142
2143 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2144 return;
2145
2146 if (reg)
2147 local->probe_req_reg++;
2148 else
2149 local->probe_req_reg--;
2150
2151 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2152}
2153
15d96753
BR		 2154static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2155{
2156 struct ieee80211_local *local = wiphy_priv(wiphy);
2157
2158 if (local->started)
2159 return -EOPNOTSUPP;
2160
2161 return drv_set_antenna(local, tx_ant, rx_ant);
2162}
2163
2164static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2165{
2166 struct ieee80211_local *local = wiphy_priv(wiphy);
2167
2168 return drv_get_antenna(local, tx_ant, rx_ant);
2169}
2170
38c09159
JL		 2171static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2172{
2173 struct ieee80211_local *local = wiphy_priv(wiphy);
2174
2175 return drv_set_ringparam(local, tx, rx);
2176}
2177
2178static void ieee80211_get_ringparam(struct wiphy *wiphy,
2179 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2180{
2181 struct ieee80211_local *local = wiphy_priv(wiphy);
2182
2183 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2184}
2185
c68f4b89
JB		 2186static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2187 struct net_device *dev,
2188 struct cfg80211_gtk_rekey_data *data)
2189{
2190 struct ieee80211_local *local = wiphy_priv(wiphy);
2191 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2192
2193 if (!local->ops->set_rekey_data)
2194 return -EOPNOTSUPP;
2195
2196 drv_set_rekey_data(local, sdata, data);
2197
2198 return 0;
2199}
2200
dfe018bf
AN		 2201static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2202{
2203 u8 *pos = (void *)skb_put(skb, 7);
2204
2205 *pos++ = WLAN_EID_EXT_CAPABILITY;
2206 *pos++ = 5; /* len */
2207 *pos++ = 0x0;
2208 *pos++ = 0x0;
2209 *pos++ = 0x0;
2210 *pos++ = 0x0;
2211 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2212}
2213
2214static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2215{
2216 struct ieee80211_local *local = sdata->local;
2217 u16 capab;
2218
2219 capab = 0;
2220 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2221 return capab;
2222
2223 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2224 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2225 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2226 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2227
2228 return capab;
2229}
2230
2231static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2232 u8 *peer, u8 *bssid)
2233{
2234 struct ieee80211_tdls_lnkie *lnkid;
2235
2236 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2237
2238 lnkid->ie_type = WLAN_EID_LINK_ID;
2239 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2240
2241 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2242 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2243 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2244}
2245
2246static int
2247ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2248 u8 *peer, u8 action_code, u8 dialog_token,
2249 u16 status_code, struct sk_buff *skb)
2250{
2251 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2252 struct ieee80211_tdls_data *tf;
2253
2254 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2255
2256 memcpy(tf->da, peer, ETH_ALEN);
2257 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2258 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2259 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2260
2261 switch (action_code) {
2262 case WLAN_TDLS_SETUP_REQUEST:
2263 tf->category = WLAN_CATEGORY_TDLS;
2264 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2265
2266 skb_put(skb, sizeof(tf->u.setup_req));
2267 tf->u.setup_req.dialog_token = dialog_token;
2268 tf->u.setup_req.capability =
2269 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2270
2271 ieee80211_add_srates_ie(&sdata->vif, skb);
2272 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2273 ieee80211_tdls_add_ext_capab(skb);
2274 break;
2275 case WLAN_TDLS_SETUP_RESPONSE:
2276 tf->category = WLAN_CATEGORY_TDLS;
2277 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2278
2279 skb_put(skb, sizeof(tf->u.setup_resp));
2280 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2281 tf->u.setup_resp.dialog_token = dialog_token;
2282 tf->u.setup_resp.capability =
2283 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2284
2285 ieee80211_add_srates_ie(&sdata->vif, skb);
2286 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2287 ieee80211_tdls_add_ext_capab(skb);
2288 break;
2289 case WLAN_TDLS_SETUP_CONFIRM:
2290 tf->category = WLAN_CATEGORY_TDLS;
2291 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2292
2293 skb_put(skb, sizeof(tf->u.setup_cfm));
2294 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2295 tf->u.setup_cfm.dialog_token = dialog_token;
2296 break;
2297 case WLAN_TDLS_TEARDOWN:
2298 tf->category = WLAN_CATEGORY_TDLS;
2299 tf->action_code = WLAN_TDLS_TEARDOWN;
2300
2301 skb_put(skb, sizeof(tf->u.teardown));
2302 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2303 break;
2304 case WLAN_TDLS_DISCOVERY_REQUEST:
2305 tf->category = WLAN_CATEGORY_TDLS;
2306 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2307
2308 skb_put(skb, sizeof(tf->u.discover_req));
2309 tf->u.discover_req.dialog_token = dialog_token;
2310 break;
2311 default:
2312 return -EINVAL;
2313 }
2314
2315 return 0;
2316}
2317
2318static int
2319ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2320 u8 *peer, u8 action_code, u8 dialog_token,
2321 u16 status_code, struct sk_buff *skb)
2322{
2323 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2324 struct ieee80211_mgmt *mgmt;
2325
2326 mgmt = (void *)skb_put(skb, 24);
2327 memset(mgmt, 0, 24);
2328 memcpy(mgmt->da, peer, ETH_ALEN);
2329 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2330 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2331
2332 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2333 IEEE80211_STYPE_ACTION);
2334
2335 switch (action_code) {
2336 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2337 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2338 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2339 mgmt->u.action.u.tdls_discover_resp.action_code =
2340 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2341 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2342 dialog_token;
2343 mgmt->u.action.u.tdls_discover_resp.capability =
2344 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2345
2346 ieee80211_add_srates_ie(&sdata->vif, skb);
2347 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2348 ieee80211_tdls_add_ext_capab(skb);
2349 break;
2350 default:
2351 return -EINVAL;
2352 }
2353
2354 return 0;
2355}
2356
2357static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2358 u8 *peer, u8 action_code, u8 dialog_token,
2359 u16 status_code, const u8 *extra_ies,
2360 size_t extra_ies_len)
2361{
2362 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2363 struct ieee80211_local *local = sdata->local;
2364 struct ieee80211_tx_info *info;
2365 struct sk_buff *skb = NULL;
2366 bool send_direct;
2367 int ret;
2368
2369 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2370 return -ENOTSUPP;
2371
2372 /* make sure we are in managed mode, and associated */
2373 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2374 !sdata->u.mgd.associated)
2375 return -EINVAL;
2376
2377#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2378 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2379#endif
2380
2381 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2382 max(sizeof(struct ieee80211_mgmt),
2383 sizeof(struct ieee80211_tdls_data)) +
2384 50 + /* supported rates */
2385 7 + /* ext capab */
2386 extra_ies_len +
2387 sizeof(struct ieee80211_tdls_lnkie));
2388 if (!skb)
2389 return -ENOMEM;
2390
2391 info = IEEE80211_SKB_CB(skb);
2392 skb_reserve(skb, local->hw.extra_tx_headroom);
2393
2394 switch (action_code) {
2395 case WLAN_TDLS_SETUP_REQUEST:
2396 case WLAN_TDLS_SETUP_RESPONSE:
2397 case WLAN_TDLS_SETUP_CONFIRM:
2398 case WLAN_TDLS_TEARDOWN:
2399 case WLAN_TDLS_DISCOVERY_REQUEST:
2400 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2401 action_code, dialog_token,
2402 status_code, skb);
2403 send_direct = false;
2404 break;
2405 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2406 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2407 dialog_token, status_code,
2408 skb);
2409 send_direct = true;
2410 break;
2411 default:
2412 ret = -ENOTSUPP;
2413 break;
2414 }
2415
2416 if (ret < 0)
2417 goto fail;
2418
2419 if (extra_ies_len)
2420 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2421
2422 /* the TDLS link IE is always added last */
2423 switch (action_code) {
2424 case WLAN_TDLS_SETUP_REQUEST:
2425 case WLAN_TDLS_SETUP_CONFIRM:
2426 case WLAN_TDLS_TEARDOWN:
2427 case WLAN_TDLS_DISCOVERY_REQUEST:
2428 /* we are the initiator */
2429 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2430 sdata->u.mgd.bssid);
2431 break;
2432 case WLAN_TDLS_SETUP_RESPONSE:
2433 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2434 /* we are the responder */
2435 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2436 sdata->u.mgd.bssid);
2437 break;
2438 default:
2439 ret = -ENOTSUPP;
2440 goto fail;
2441 }
2442
2443 if (send_direct) {
2444 ieee80211_tx_skb(sdata, skb);
2445 return 0;
2446 }
2447
2448 /*
2449 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2450 * we should default to AC_VI.
2451 */
2452 switch (action_code) {
2453 case WLAN_TDLS_SETUP_REQUEST:
2454 case WLAN_TDLS_SETUP_RESPONSE:
2455 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2456 skb->priority = 2;
2457 break;
2458 default:
2459 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2460 skb->priority = 5;
2461 break;
2462 }
2463
2464 /* disable bottom halves when entering the Tx path */
2465 local_bh_disable();
2466 ret = ieee80211_subif_start_xmit(skb, dev);
2467 local_bh_enable();
2468
2469 return ret;
2470
2471fail:
2472 dev_kfree_skb(skb);
2473 return ret;
2474}
2475
2476static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2477 u8 *peer, enum nl80211_tdls_operation oper)
2478{
941c93cd 2479 struct sta_info *sta;
dfe018bf
AN		 2480 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2481
2482 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2483 return -ENOTSUPP;
2484
2485 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2486 return -EINVAL;
2487
2488#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2489 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2490#endif
2491
2492 switch (oper) {
2493 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2494 rcu_read_lock();
2495 sta = sta_info_get(sdata, peer);
2496 if (!sta) {
2497 rcu_read_unlock();
2498 return -ENOLINK;
2499 }
2500
c2c98fde 2501 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2502 rcu_read_unlock();
dfe018bf
AN		 2503 break;
2504 case NL80211_TDLS_DISABLE_LINK:
2505 return sta_info_destroy_addr(sdata, peer);
2506 case NL80211_TDLS_TEARDOWN:
2507 case NL80211_TDLS_SETUP:
2508 case NL80211_TDLS_DISCOVERY_REQ:
2509 /* We don't support in-driver setup/teardown/discovery */
2510 return -ENOTSUPP;
2511 default:
2512 return -ENOTSUPP;
2513 }
2514
2515 return 0;
2516}
2517
06500736
JB		 2518static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2519 const u8 *peer, u64 *cookie)
2520{
2521 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2522 struct ieee80211_local *local = sdata->local;
2523 struct ieee80211_qos_hdr *nullfunc;
2524 struct sk_buff *skb;
2525 int size = sizeof(*nullfunc);
2526 __le16 fc;
2527 bool qos;
2528 struct ieee80211_tx_info *info;
2529 struct sta_info *sta;
2530
2531 rcu_read_lock();
2532 sta = sta_info_get(sdata, peer);
2533 if (sta)
2534 qos = test_sta_flag(sta, WLAN_STA_WME);
2535 rcu_read_unlock();
2536
2537 if (!sta)
2538 return -ENOLINK;
2539
2540 if (qos) {
2541 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2542 IEEE80211_STYPE_QOS_NULLFUNC |
2543 IEEE80211_FCTL_FROMDS);
2544 } else {
2545 size -= 2;
2546 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2547 IEEE80211_STYPE_NULLFUNC |
2548 IEEE80211_FCTL_FROMDS);
2549 }
2550
2551 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2552 if (!skb)
2553 return -ENOMEM;
2554
2555 skb->dev = dev;
2556
2557 skb_reserve(skb, local->hw.extra_tx_headroom);
2558
2559 nullfunc = (void *) skb_put(skb, size);
2560 nullfunc->frame_control = fc;
2561 nullfunc->duration_id = 0;
2562 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2563 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2564 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2565 nullfunc->seq_ctrl = 0;
2566
2567 info = IEEE80211_SKB_CB(skb);
2568
2569 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2570 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2571
2572 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2573 skb->priority = 7;
2574 if (qos)
2575 nullfunc->qos_ctrl = cpu_to_le16(7);
2576
2577 local_bh_disable();
2578 ieee80211_xmit(sdata, skb);
2579 local_bh_enable();
2580
2581 *cookie = (unsigned long) skb;
2582 return 0;
2583}
2584
f0706e82
JB		 2585struct cfg80211_ops mac80211_config_ops = {
2586 .add_virtual_intf = ieee80211_add_iface,
2587 .del_virtual_intf = ieee80211_del_iface,
42613db7 2588 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2589 .add_key = ieee80211_add_key,
2590 .del_key = ieee80211_del_key,
62da92fb 2591 .get_key = ieee80211_get_key,
e8cbb4cb 2592 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2593 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 2594 .add_beacon = ieee80211_add_beacon,
2595 .set_beacon = ieee80211_set_beacon,
2596 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 2597 .add_station = ieee80211_add_station,
2598 .del_station = ieee80211_del_station,
2599 .change_station = ieee80211_change_station,
7bbdd2d9 2600 .get_station = ieee80211_get_station,
c5dd9c2b 2601 .dump_station = ieee80211_dump_station,
1289723e 2602 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2603#ifdef CONFIG_MAC80211_MESH
2604 .add_mpath = ieee80211_add_mpath,
2605 .del_mpath = ieee80211_del_mpath,
2606 .change_mpath = ieee80211_change_mpath,
2607 .get_mpath = ieee80211_get_mpath,
2608 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2609 .update_mesh_config = ieee80211_update_mesh_config,
2610 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2611 .join_mesh = ieee80211_join_mesh,
2612 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2613#endif
9f1ba906 2614 .change_bss = ieee80211_change_bss,
31888487 2615 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2616 .set_channel = ieee80211_set_channel,
665af4fc
BC		 2617 .suspend = ieee80211_suspend,
2618 .resume = ieee80211_resume,
2a519311 2619 .scan = ieee80211_scan,
79f460ca
LC		 2620 .sched_scan_start = ieee80211_sched_scan_start,
2621 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 2622 .auth = ieee80211_auth,
2623 .assoc = ieee80211_assoc,
2624 .deauth = ieee80211_deauth,
2625 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 2626 .join_ibss = ieee80211_join_ibss,
2627 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2628 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 2629 .set_tx_power = ieee80211_set_tx_power,
2630 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2631 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2632 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2633 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 2634 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 2635 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2636 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 2637 .remain_on_channel = ieee80211_remain_on_channel,
2638 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2639 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2640 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2641 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2642 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 2643 .set_antenna = ieee80211_set_antenna,
2644 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 2645 .set_ringparam = ieee80211_set_ringparam,
2646 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 2647 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 2648 .tdls_oper = ieee80211_tdls_oper,
2649 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 2650 .probe_client = ieee80211_probe_client,
f0706e82 2651};
Linux 6.x block layer and io_uring tree(s)