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mac80211: support P2P Device abstraction
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
84efbb84
JB		 23static struct wireless_dev *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);
84efbb84 29 struct wireless_dev *wdev;
8cc9a739
MW		 30 struct ieee80211_sub_if_data *sdata;
31 int err;
f0706e82 32
84efbb84 33 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 34 if (err)
35 return ERR_PTR(err);
8cc9a739 36
f9e10ce4 37 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 38 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 39 sdata->u.mntr_flags = *flags;
40 }
41
84efbb84 42 return wdev;
f0706e82
JB		 43}
44
84efbb84 45static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 46{
84efbb84 47 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
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
f142c6b9
JB		 105static int ieee80211_start_p2p_device(struct wiphy *wiphy,
106 struct wireless_dev *wdev)
107{
108 return ieee80211_do_open(wdev, true);
109}
110
111static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
112 struct wireless_dev *wdev)
113{
114 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
115}
116
b53be792
SW		 117static int ieee80211_set_noack_map(struct wiphy *wiphy,
118 struct net_device *dev,
119 u16 noack_map)
120{
121 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
122
123 sdata->noack_map = noack_map;
124 return 0;
125}
126
e8cbb4cb 127static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 128 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 129 struct key_params *params)
130{
26a58456 131 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 132 struct sta_info *sta = NULL;
db4d1169 133 struct ieee80211_key *key;
3b96766f 134 int err;
e8cbb4cb 135
26a58456 136 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 137 return -ENETDOWN;
138
97359d12 139 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 140 switch (params->cipher) {
141 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 142 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 143 case WLAN_CIPHER_SUITE_WEP104:
144 if (IS_ERR(sdata->local->wep_tx_tfm))
145 return -EINVAL;
3cfcf6ac 146 break;
e8cbb4cb 147 default:
97359d12 148 break;
e8cbb4cb
JB		 149 }
150
97359d12
JB		 151 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
152 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 153 if (IS_ERR(key))
154 return PTR_ERR(key);
db4d1169 155
e31b8213
JB		 156 if (pairwise)
157 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
158
ad0e2b5a 159 mutex_lock(&sdata->local->sta_mtx);
3b96766f 160
e8cbb4cb 161 if (mac_addr) {
ff973af7
TP		 162 if (ieee80211_vif_is_mesh(&sdata->vif))
163 sta = sta_info_get(sdata, mac_addr);
164 else
165 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 166 if (!sta) {
32162a4d 167 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 168 err = -ENOENT;
169 goto out_unlock;
db4d1169 170 }
e8cbb4cb
JB		 171 }
172
3ffc2a90
JB		 173 err = ieee80211_key_link(key, sdata, sta);
174 if (err)
175 ieee80211_key_free(sdata->local, key);
db4d1169 176
3b96766f 177 out_unlock:
ad0e2b5a 178 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 179
180 return err;
e8cbb4cb
JB		 181}
182
183static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 184 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 185{
5c0c3641
JB		 186 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
187 struct ieee80211_local *local = sdata->local;
e8cbb4cb 188 struct sta_info *sta;
5c0c3641 189 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 190 int ret;
191
5c0c3641
JB		 192 mutex_lock(&local->sta_mtx);
193 mutex_lock(&local->key_mtx);
3b96766f 194
e8cbb4cb 195 if (mac_addr) {
3b96766f
JB		 196 ret = -ENOENT;
197
0e5ded5a 198 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 199 if (!sta)
3b96766f 200 goto out_unlock;
e8cbb4cb 201
5c0c3641 202 if (pairwise)
40b275b6 203 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 204 else
40b275b6 205 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 206 } else
40b275b6 207 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 208
5c0c3641 209 if (!key) {
3b96766f
JB		 210 ret = -ENOENT;
211 goto out_unlock;
212 }
e8cbb4cb 213
5c0c3641 214 __ieee80211_key_free(key);
e8cbb4cb 215
3b96766f
JB		 216 ret = 0;
217 out_unlock:
5c0c3641
JB		 218 mutex_unlock(&local->key_mtx);
219 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 220
221 return ret;
e8cbb4cb
JB		 222}
223
62da92fb 224static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 225 u8 key_idx, bool pairwise, const u8 *mac_addr,
226 void *cookie,
62da92fb
JB		 227 void (*callback)(void *cookie,
228 struct key_params *params))
229{
14db74bc 230 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 231 struct sta_info *sta = NULL;
232 u8 seq[6] = {0};
233 struct key_params params;
e31b8213 234 struct ieee80211_key *key = NULL;
aba83a0b 235 u64 pn64;
62da92fb
JB		 236 u32 iv32;
237 u16 iv16;
238 int err = -ENOENT;
239
14db74bc
JB		 240 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
241
3b96766f
JB		 242 rcu_read_lock();
243
62da92fb 244 if (mac_addr) {
0e5ded5a 245 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 246 if (!sta)
247 goto out;
248
e31b8213 249 if (pairwise)
a3836e02 250 key = rcu_dereference(sta->ptk);
e31b8213 251 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 252 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 253 } else
a3836e02 254 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 255
256 if (!key)
257 goto out;
258
259 memset(&params, 0, sizeof(params));
260
97359d12 261 params.cipher = key->conf.cipher;
62da92fb 262
97359d12
JB		 263 switch (key->conf.cipher) {
264 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 265 iv32 = key->u.tkip.tx.iv32;
266 iv16 = key->u.tkip.tx.iv16;
62da92fb 267
24487981
JB		 268 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
269 drv_get_tkip_seq(sdata->local,
270 key->conf.hw_key_idx,
271 &iv32, &iv16);
62da92fb
JB		 272
273 seq[0] = iv16 & 0xff;
274 seq[1] = (iv16 >> 8) & 0xff;
275 seq[2] = iv32 & 0xff;
276 seq[3] = (iv32 >> 8) & 0xff;
277 seq[4] = (iv32 >> 16) & 0xff;
278 seq[5] = (iv32 >> 24) & 0xff;
279 params.seq = seq;
280 params.seq_len = 6;
281 break;
97359d12 282 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 283 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
284 seq[0] = pn64;
285 seq[1] = pn64 >> 8;
286 seq[2] = pn64 >> 16;
287 seq[3] = pn64 >> 24;
288 seq[4] = pn64 >> 32;
289 seq[5] = pn64 >> 40;
62da92fb
JB		 290 params.seq = seq;
291 params.seq_len = 6;
292 break;
97359d12 293 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 294 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
295 seq[0] = pn64;
296 seq[1] = pn64 >> 8;
297 seq[2] = pn64 >> 16;
298 seq[3] = pn64 >> 24;
299 seq[4] = pn64 >> 32;
300 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 301 params.seq = seq;
302 params.seq_len = 6;
303 break;
62da92fb
JB		 304 }
305
306 params.key = key->conf.key;
307 params.key_len = key->conf.keylen;
308
309 callback(cookie, &params);
310 err = 0;
311
312 out:
3b96766f 313 rcu_read_unlock();
62da92fb
JB		 314 return err;
315}
316
e8cbb4cb
JB		 317static int ieee80211_config_default_key(struct wiphy *wiphy,
318 struct net_device *dev,
dbd2fd65
JB		 319 u8 key_idx, bool uni,
320 bool multi)
e8cbb4cb 321{
ad0e2b5a 322 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 323
f7e0104c 324 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 325
326 return 0;
327}
328
3cfcf6ac
JM		 329static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
330 struct net_device *dev,
331 u8 key_idx)
332{
66c52421 333 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 334
3cfcf6ac
JM		 335 ieee80211_set_default_mgmt_key(sdata, key_idx);
336
3cfcf6ac
JM		 337 return 0;
338}
339
3af6334c
FF		 340static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
341{
342 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
343 struct ieee80211_supported_band *sband;
344 sband = sta->local->hw.wiphy->bands[
679ef4ea 345 sta->local->oper_channel->band];
3af6334c
FF		 346 rate->legacy = sband->bitrates[idx].bitrate;
347 } else
348 rate->mcs = idx;
349}
350
6b62bf32
TP		 351void sta_set_rate_info_tx(struct sta_info *sta,
352 const struct ieee80211_tx_rate *rate,
353 struct rate_info *rinfo)
354{
355 rinfo->flags = 0;
356 if (rate->flags & IEEE80211_TX_RC_MCS)
357 rinfo->flags |= RATE_INFO_FLAGS_MCS;
358 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
359 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
360 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
361 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
362 rate_idx_to_bitrate(rinfo, sta, rate->idx);
363}
364
c5dd9c2b
LCC		 365static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
366{
d0709a65 367 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 368 struct ieee80211_local *local = sdata->local;
ebe27c91 369 struct timespec uptime;
c5dd9c2b 370
f5ea9120
JB		 371 sinfo->generation = sdata->local->sta_generation;
372
c5dd9c2b
LCC		 373 sinfo->filled = STATION_INFO_INACTIVE_TIME |
374 STATION_INFO_RX_BYTES |
420e7fab 375 STATION_INFO_TX_BYTES |
98c8a60a
JM		 376 STATION_INFO_RX_PACKETS |
377 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 378 STATION_INFO_TX_RETRIES |
379 STATION_INFO_TX_FAILED |
5a5c731a 380 STATION_INFO_TX_BITRATE |
3af6334c 381 STATION_INFO_RX_BITRATE |
f4263c98 382 STATION_INFO_RX_DROP_MISC |
ebe27c91 383 STATION_INFO_BSS_PARAM |
7a724767 384 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 385 STATION_INFO_STA_FLAGS |
386 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 387
388 do_posix_clock_monotonic_gettime(&uptime);
389 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 390
391 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
392 sinfo->rx_bytes = sta->rx_bytes;
393 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 394 sinfo->rx_packets = sta->rx_packets;
395 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 396 sinfo->tx_retries = sta->tx_retry_count;
397 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 398 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 399 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 400
19deffbe
JL		 401 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
402 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 403 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 404 if (!local->ops->get_rssi ||
405 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
406 sinfo->signal = (s8)sta->last_signal;
541a45a1 407 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 408 }
409
6b62bf32 410 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 411
412 sinfo->rxrate.flags = 0;
413 if (sta->last_rx_rate_flag & RX_FLAG_HT)
414 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
415 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
416 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
417 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
418 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
419 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 420
902acc78 421 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 422#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 423 sinfo->filled |= STATION_INFO_LLID |
424 STATION_INFO_PLID |
425 STATION_INFO_PLINK_STATE;
426
427 sinfo->llid = le16_to_cpu(sta->llid);
428 sinfo->plid = le16_to_cpu(sta->plid);
429 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 430 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
431 sinfo->filled |= STATION_INFO_T_OFFSET;
432 sinfo->t_offset = sta->t_offset;
433 }
c5dd9c2b 434#endif
902acc78 435 }
f4263c98
PS		 436
437 sinfo->bss_param.flags = 0;
438 if (sdata->vif.bss_conf.use_cts_prot)
439 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
440 if (sdata->vif.bss_conf.use_short_preamble)
441 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
442 if (sdata->vif.bss_conf.use_short_slot)
443 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
444 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
445 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 446
447 sinfo->sta_flags.set = 0;
448 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
449 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
450 BIT(NL80211_STA_FLAG_WME) |
451 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 452 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
453 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 454 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
455 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
456 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
457 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
458 if (test_sta_flag(sta, WLAN_STA_WME))
459 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
460 if (test_sta_flag(sta, WLAN_STA_MFP))
461 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
462 if (test_sta_flag(sta, WLAN_STA_AUTH))
463 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 464 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
465 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 466}
467
b1ab7925
BG		 468static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
469 "rx_packets", "rx_bytes", "wep_weak_iv_count",
470 "rx_duplicates", "rx_fragments", "rx_dropped",
471 "tx_packets", "tx_bytes", "tx_fragments",
472 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 473 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
474 "channel", "noise", "ch_time", "ch_time_busy",
475 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 476};
477#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
478
479static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
480 struct net_device *dev,
481 int sset)
482{
e352114f
BG		 483 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
484 int rv = 0;
485
b1ab7925 486 if (sset == ETH_SS_STATS)
e352114f
BG		 487 rv += STA_STATS_LEN;
488
489 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 490
e352114f
BG		 491 if (rv == 0)
492 return -EOPNOTSUPP;
493 return rv;
b1ab7925
BG		 494}
495
496static void ieee80211_get_et_stats(struct wiphy *wiphy,
497 struct net_device *dev,
498 struct ethtool_stats *stats,
499 u64 *data)
500{
501 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
502 struct sta_info *sta;
503 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 504 struct station_info sinfo;
505 struct survey_info survey;
506 int i, q;
507#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 508
509 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
510
511#define ADD_STA_STATS(sta) \
512 do { \
513 data[i++] += sta->rx_packets; \
514 data[i++] += sta->rx_bytes; \
515 data[i++] += sta->wep_weak_iv_count; \
516 data[i++] += sta->num_duplicates; \
517 data[i++] += sta->rx_fragments; \
518 data[i++] += sta->rx_dropped; \
519 \
520 data[i++] += sta->tx_packets; \
521 data[i++] += sta->tx_bytes; \
522 data[i++] += sta->tx_fragments; \
523 data[i++] += sta->tx_filtered_count; \
524 data[i++] += sta->tx_retry_failed; \
525 data[i++] += sta->tx_retry_count; \
526 data[i++] += sta->beacon_loss_count; \
527 } while (0)
528
529 /* For Managed stations, find the single station based on BSSID
530 * and use that. For interface types, iterate through all available
531 * stations and add stats for any station that is assigned to this
532 * network device.
533 */
534
66572cfc 535 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 536
537 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
538 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 539
540 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
541 goto do_survey;
542
543 i = 0;
544 ADD_STA_STATS(sta);
545
546 data[i++] = sta->sta_state;
547
548 sinfo.filled = 0;
549 sta_set_sinfo(sta, &sinfo);
550
5204267d 551 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 552 data[i] = 100000 *
553 cfg80211_calculate_bitrate(&sinfo.txrate);
554 i++;
5204267d 555 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 556 data[i] = 100000 *
557 cfg80211_calculate_bitrate(&sinfo.rxrate);
558 i++;
559
5204267d 560 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 561 data[i] = (u8)sinfo.signal_avg;
562 i++;
b1ab7925 563 } else {
66572cfc 564 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 565 /* Make sure this station belongs to the proper dev */
566 if (sta->sdata->dev != dev)
567 continue;
568
569 i = 0;
570 ADD_STA_STATS(sta);
b1ab7925
BG		 571 }
572 }
573
3073a7c2
BG		 574do_survey:
575 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
576 /* Get survey stats for current channel */
577 q = 0;
578 while (true) {
579 survey.filled = 0;
580 if (drv_get_survey(local, q, &survey) != 0) {
581 survey.filled = 0;
582 break;
583 }
584
585 if (survey.channel &&
586 (local->oper_channel->center_freq ==
587 survey.channel->center_freq))
588 break;
589 q++;
590 }
591
592 if (survey.filled)
593 data[i++] = survey.channel->center_freq;
594 else
595 data[i++] = 0;
596 if (survey.filled & SURVEY_INFO_NOISE_DBM)
597 data[i++] = (u8)survey.noise;
598 else
599 data[i++] = -1LL;
600 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
601 data[i++] = survey.channel_time;
602 else
603 data[i++] = -1LL;
604 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
605 data[i++] = survey.channel_time_busy;
606 else
607 data[i++] = -1LL;
608 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
609 data[i++] = survey.channel_time_ext_busy;
610 else
611 data[i++] = -1LL;
612 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
613 data[i++] = survey.channel_time_rx;
614 else
615 data[i++] = -1LL;
616 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
617 data[i++] = survey.channel_time_tx;
618 else
619 data[i++] = -1LL;
620
66572cfc 621 mutex_unlock(&local->sta_mtx);
e352114f 622
3073a7c2
BG		 623 if (WARN_ON(i != STA_STATS_LEN))
624 return;
625
e352114f 626 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 627}
628
629static void ieee80211_get_et_strings(struct wiphy *wiphy,
630 struct net_device *dev,
631 u32 sset, u8 *data)
632{
e352114f
BG		 633 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
634 int sz_sta_stats = 0;
635
b1ab7925 636 if (sset == ETH_SS_STATS) {
e352114f 637 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 638 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
639 }
e352114f 640 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 641}
c5dd9c2b
LCC		 642
643static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
644 int idx, u8 *mac, struct station_info *sinfo)
645{
3b53fde8 646 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 647 struct ieee80211_local *local = sdata->local;
c5dd9c2b 648 struct sta_info *sta;
d0709a65
JB		 649 int ret = -ENOENT;
650
66572cfc 651 mutex_lock(&local->sta_mtx);
c5dd9c2b 652
3b53fde8 653 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 654 if (sta) {
655 ret = 0;
17741cdc 656 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 657 sta_set_sinfo(sta, sinfo);
658 }
c5dd9c2b 659
66572cfc 660 mutex_unlock(&local->sta_mtx);
c5dd9c2b 661
d0709a65 662 return ret;
c5dd9c2b
LCC		 663}
664
1289723e
HS		 665static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
666 int idx, struct survey_info *survey)
667{
668 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
669
1289723e
HS		 670 return drv_get_survey(local, idx, survey);
671}
672
7bbdd2d9 673static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 674 u8 *mac, struct station_info *sinfo)
7bbdd2d9 675{
abe60632 676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 677 struct ieee80211_local *local = sdata->local;
7bbdd2d9 678 struct sta_info *sta;
d0709a65 679 int ret = -ENOENT;
7bbdd2d9 680
66572cfc 681 mutex_lock(&local->sta_mtx);
7bbdd2d9 682
0e5ded5a 683 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 684 if (sta) {
685 ret = 0;
686 sta_set_sinfo(sta, sinfo);
687 }
688
66572cfc 689 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 690
691 return ret;
7bbdd2d9
JB		 692}
693
3d9e6e12
JB		 694static int ieee80211_set_channel(struct wiphy *wiphy,
695 struct net_device *netdev,
696 struct ieee80211_channel *chan,
697 enum nl80211_channel_type channel_type)
698{
699 struct ieee80211_local *local = wiphy_priv(wiphy);
700 struct ieee80211_sub_if_data *sdata = NULL;
701
702 if (netdev)
703 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
704
705 switch (ieee80211_get_channel_mode(local, NULL)) {
706 case CHAN_MODE_HOPPING:
707 return -EBUSY;
708 case CHAN_MODE_FIXED:
ac4d82fa
PF		 709 if (local->oper_channel != chan ||
710 (!sdata && local->_oper_channel_type != channel_type))
3d9e6e12
JB		 711 return -EBUSY;
712 if (!sdata && local->_oper_channel_type == channel_type)
713 return 0;
714 break;
715 case CHAN_MODE_UNDEFINED:
716 break;
717 }
718
719 if (!ieee80211_set_channel_type(local, sdata, channel_type))
720 return -EBUSY;
721
722 local->oper_channel = chan;
723
724 /* auto-detects changes */
725 ieee80211_hw_config(local, 0);
726
727 return 0;
728}
729
e8c9bd5b
JB		 730static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
731 struct ieee80211_channel *chan,
732 enum nl80211_channel_type channel_type)
733{
734 return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
735}
736
02945821 737static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 738 const u8 *resp, size_t resp_len)
02945821 739{
aa7a0080 740 struct probe_resp *new, *old;
02945821
AN		 741
742 if (!resp || !resp_len)
aa7a0080 743 return -EINVAL;
02945821 744
f724828b 745 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 746
aa7a0080 747 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN		 748 if (!new)
749 return -ENOMEM;
750
aa7a0080
ES		 751 new->len = resp_len;
752 memcpy(new->data, resp, resp_len);
02945821
AN		 753
754 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES		 755 if (old)
756 kfree_rcu(old, rcu_head);
02945821
AN		 757
758 return 0;
759}
760
8860020e
JB		 761static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
762 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 763{
764 struct beacon_data *new, *old;
765 int new_head_len, new_tail_len;
8860020e
JB		 766 int size, err;
767 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 768
40b275b6 769 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 770
5dfdaf58
JB		 771 /* Need to have a beacon head if we don't have one yet */
772 if (!params->head && !old)
8860020e 773 return -EINVAL;
5dfdaf58
JB		 774
775 /* new or old head? */
776 if (params->head)
777 new_head_len = params->head_len;
778 else
779 new_head_len = old->head_len;
780
781 /* new or old tail? */
782 if (params->tail || !old)
783 /* params->tail_len will be zero for !params->tail */
784 new_tail_len = params->tail_len;
785 else
786 new_tail_len = old->tail_len;
787
788 size = sizeof(*new) + new_head_len + new_tail_len;
789
790 new = kzalloc(size, GFP_KERNEL);
791 if (!new)
792 return -ENOMEM;
793
794 /* start filling the new info now */
795
5dfdaf58
JB		 796 /*
797 * pointers go into the block we allocated,
798 * memory is | beacon_data | head | tail |
799 */
800 new->head = ((u8 *) new) + sizeof(*new);
801 new->tail = new->head + new_head_len;
802 new->head_len = new_head_len;
803 new->tail_len = new_tail_len;
804
805 /* copy in head */
806 if (params->head)
807 memcpy(new->head, params->head, new_head_len);
808 else
809 memcpy(new->head, old->head, new_head_len);
810
811 /* copy in optional tail */
812 if (params->tail)
813 memcpy(new->tail, params->tail, new_tail_len);
814 else
815 if (old)
816 memcpy(new->tail, old->tail, new_tail_len);
817
02945821
AN		 818 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
819 params->probe_resp_len);
8860020e
JB		 820 if (err < 0)
821 return err;
822 if (err == 0)
02945821
AN		 823 changed |= BSS_CHANGED_AP_PROBE_RESP;
824
8860020e
JB		 825 rcu_assign_pointer(sdata->u.ap.beacon, new);
826
827 if (old)
828 kfree_rcu(old, rcu_head);
7827493b 829
8860020e 830 return changed;
5dfdaf58
JB		 831}
832
8860020e
JB		 833static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
834 struct cfg80211_ap_settings *params)
5dfdaf58 835{
8860020e 836 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 837 struct beacon_data *old;
665c93a9 838 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 839 u32 changed = BSS_CHANGED_BEACON_INT |
840 BSS_CHANGED_BEACON_ENABLED |
841 BSS_CHANGED_BEACON |
842 BSS_CHANGED_SSID;
843 int err;
14db74bc 844
40b275b6 845 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 846 if (old)
847 return -EALREADY;
848
aa430da4
JB		 849 err = ieee80211_set_channel(wiphy, dev, params->channel,
850 params->channel_type);
851 if (err)
852 return err;
853
665c93a9
JB		 854 /*
855 * Apply control port protocol, this allows us to
856 * not encrypt dynamic WEP control frames.
857 */
858 sdata->control_port_protocol = params->crypto.control_port_ethertype;
859 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
860 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
861 vlan->control_port_protocol =
862 params->crypto.control_port_ethertype;
863 vlan->control_port_no_encrypt =
864 params->crypto.control_port_no_encrypt;
865 }
866
8860020e
JB		 867 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
868 sdata->vif.bss_conf.dtim_period = params->dtim_period;
869
870 sdata->vif.bss_conf.ssid_len = params->ssid_len;
871 if (params->ssid_len)
872 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
873 params->ssid_len);
874 sdata->vif.bss_conf.hidden_ssid =
875 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
876
877 err = ieee80211_assign_beacon(sdata, &params->beacon);
878 if (err < 0)
879 return err;
880 changed |= err;
881
882 ieee80211_bss_info_change_notify(sdata, changed);
883
3edaf3e6
JB		 884 netif_carrier_on(dev);
885 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
886 netif_carrier_on(vlan->dev);
887
665c93a9 888 return 0;
5dfdaf58
JB		 889}
890
8860020e
JB		 891static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
892 struct cfg80211_beacon_data *params)
5dfdaf58 893{
14db74bc 894 struct ieee80211_sub_if_data *sdata;
5dfdaf58 895 struct beacon_data *old;
8860020e 896 int err;
5dfdaf58 897
14db74bc
JB		 898 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
899
40b275b6 900 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 901 if (!old)
902 return -ENOENT;
903
8860020e
JB		 904 err = ieee80211_assign_beacon(sdata, params);
905 if (err < 0)
906 return err;
907 ieee80211_bss_info_change_notify(sdata, err);
908 return 0;
5dfdaf58
JB		 909}
910
8860020e 911static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 912{
3edaf3e6 913 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 914 struct beacon_data *old;
915
14db74bc
JB		 916 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
917
40b275b6 918 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 919 if (!old)
920 return -ENOENT;
921
3edaf3e6
JB		 922 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
923 netif_carrier_off(vlan->dev);
924 netif_carrier_off(dev);
925
a9b3cd7f 926 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 927
928 kfree_rcu(old, rcu_head);
5dfdaf58 929
99102bd3 930 sta_info_flush(sdata->local, sdata);
2d0ddec5 931 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 932
2d0ddec5 933 return 0;
5dfdaf58
JB		 934}
935
4fd6931e
JB		 936/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
937struct iapp_layer2_update {
938 u8 da[ETH_ALEN]; /* broadcast */
939 u8 sa[ETH_ALEN]; /* STA addr */
940 __be16 len; /* 6 */
941 u8 dsap; /* 0 */
942 u8 ssap; /* 0 */
943 u8 control;
944 u8 xid_info[3];
bc10502d 945} __packed;
4fd6931e
JB		 946
947static void ieee80211_send_layer2_update(struct sta_info *sta)
948{
949 struct iapp_layer2_update *msg;
950 struct sk_buff *skb;
951
952 /* Send Level 2 Update Frame to update forwarding tables in layer 2
953 * bridge devices */
954
955 skb = dev_alloc_skb(sizeof(*msg));
956 if (!skb)
957 return;
958 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
959
960 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
961 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
962
e83e6541 963 eth_broadcast_addr(msg->da);
17741cdc 964 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 965 msg->len = htons(6);
966 msg->dsap = 0;
967 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
968 msg->control = 0xaf; /* XID response lsb.1111F101.
969 * F=0 (no poll command; unsolicited frame) */
970 msg->xid_info[0] = 0x81; /* XID format identifier */
971 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
972 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
973
d0709a65
JB		 974 skb->dev = sta->sdata->dev;
975 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 976 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 977 netif_rx_ni(skb);
4fd6931e
JB		 978}
979
d9a7ddb0
JB		 980static int sta_apply_parameters(struct ieee80211_local *local,
981 struct sta_info *sta,
982 struct station_parameters *params)
4fd6931e 983{
d9a7ddb0 984 int ret = 0;
4fd6931e
JB		 985 u32 rates;
986 int i, j;
8318d78a 987 struct ieee80211_supported_band *sband;
d0709a65 988 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 989 u32 mask, set;
4fd6931e 990
ae5eb026
JB		 991 sband = local->hw.wiphy->bands[local->oper_channel->band];
992
eccb8e8f
JB		 993 mask = params->sta_flags_mask;
994 set = params->sta_flags_set;
73651ee6 995
d9a7ddb0
JB		 996 /*
997 * In mesh mode, we can clear AUTHENTICATED flag but must
998 * also make ASSOCIATED follow appropriately for the driver
999 * API. See also below, after AUTHORIZED changes.
1000 */
1001 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1002 /* cfg80211 should not allow this in non-mesh modes */
1003 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1004 return -EINVAL;
1005
1006 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1007 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1008 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1009 if (ret)
1010 return ret;
83d5cc01 1011 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1012 if (ret)
1013 return ret;
1014 }
1015 }
1016
eccb8e8f 1017 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1018 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1019 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1020 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1021 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1022 if (ret)
1023 return ret;
1024 }
1025
1026 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1027 /* cfg80211 should not allow this in non-mesh modes */
1028 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1029 return -EINVAL;
1030
1031 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1032 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1033 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1034 if (ret)
1035 return ret;
83d5cc01 1036 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1037 if (ret)
1038 return ret;
1039 }
eccb8e8f 1040 }
4fd6931e 1041
d9a7ddb0 1042
eccb8e8f 1043 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1044 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1045 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1046 else
1047 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1048 }
4fd6931e 1049
eccb8e8f 1050 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1051 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1052 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1053 sta->sta.wme = true;
c2c98fde
JB		 1054 } else {
1055 clear_sta_flag(sta, WLAN_STA_WME);
1056 sta->sta.wme = false;
39df600a 1057 }
eccb8e8f 1058 }
5394af4d 1059
eccb8e8f 1060 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1061 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1062 set_sta_flag(sta, WLAN_STA_MFP);
1063 else
1064 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1065 }
b39c48fa 1066
07ba55d7 1067 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1068 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1069 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1070 else
1071 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1072 }
4fd6931e 1073
3b9ce80c
JB		 1074 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1075 sta->sta.uapsd_queues = params->uapsd_queues;
1076 sta->sta.max_sp = params->max_sp;
1077 }
9533b4ac 1078
51b50fbe
JB		 1079 /*
1080 * cfg80211 validates this (1-2007) and allows setting the AID
1081 * only when creating a new station entry
1082 */
1083 if (params->aid)
1084 sta->sta.aid = params->aid;
1085
73651ee6
JB		 1086 /*
1087 * FIXME: updating the following information is racy when this
1088 * function is called from ieee80211_change_station().
1089 * However, all this information should be static so
1090 * maybe we should just reject attemps to change it.
1091 */
1092
4fd6931e
JB		 1093 if (params->listen_interval >= 0)
1094 sta->listen_interval = params->listen_interval;
1095
1096 if (params->supported_rates) {
1097 rates = 0;
8318d78a 1098
4fd6931e
JB		 1099 for (i = 0; i < params->supported_rates_len; i++) {
1100 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1101 for (j = 0; j < sband->n_bitrates; j++) {
1102 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1103 rates |= BIT(j);
1104 }
1105 }
323ce79a 1106 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1107 }
c5dd9c2b 1108
d9fe60de 1109 if (params->ht_capa)
ef96a842 1110 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1111 params->ht_capa,
d9fe60de 1112 &sta->sta.ht_cap);
36aedc90 1113
9c3990aa 1114 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1115#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1116 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1117 switch (params->plink_state) {
57cf8043
JC		 1118 case NL80211_PLINK_LISTEN:
1119 case NL80211_PLINK_ESTAB:
1120 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1121 sta->plink_state = params->plink_state;
1122 break;
1123 default:
1124 /* nothing */
1125 break;
1126 }
1127 else
1128 switch (params->plink_action) {
1129 case PLINK_ACTION_OPEN:
1130 mesh_plink_open(sta);
1131 break;
1132 case PLINK_ACTION_BLOCK:
1133 mesh_plink_block(sta);
1134 break;
1135 }
4daf50f2 1136#endif
902acc78 1137 }
d9a7ddb0
JB		 1138
1139 return 0;
4fd6931e
JB		 1140}
1141
1142static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1143 u8 *mac, struct station_parameters *params)
1144{
14db74bc 1145 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1146 struct sta_info *sta;
1147 struct ieee80211_sub_if_data *sdata;
73651ee6 1148 int err;
b8d476c8 1149 int layer2_update;
4fd6931e 1150
4fd6931e
JB		 1151 if (params->vlan) {
1152 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1153
05c914fe
JB		 1154 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1155 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1156 return -EINVAL;
1157 } else
1158 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1159
b203ca39 1160 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1161 return -EINVAL;
1162
1163 if (is_multicast_ether_addr(mac))
1164 return -EINVAL;
1165
1166 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1167 if (!sta)
1168 return -ENOMEM;
4fd6931e 1169
83d5cc01
JB		 1170 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1171 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1172
d9a7ddb0
JB		 1173 err = sta_apply_parameters(local, sta, params);
1174 if (err) {
1175 sta_info_free(local, sta);
1176 return err;
1177 }
4fd6931e 1178
d64cf63e
AN		 1179 /*
1180 * for TDLS, rate control should be initialized only when supported
1181 * rates are known.
1182 */
1183 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1184 rate_control_rate_init(sta);
4fd6931e 1185
b8d476c8
JM		 1186 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1187 sdata->vif.type == NL80211_IFTYPE_AP;
1188
34e89507 1189 err = sta_info_insert_rcu(sta);
73651ee6 1190 if (err) {
73651ee6
JB		 1191 rcu_read_unlock();
1192 return err;
1193 }
1194
b8d476c8 1195 if (layer2_update)
73651ee6
JB		 1196 ieee80211_send_layer2_update(sta);
1197
1198 rcu_read_unlock();
1199
4fd6931e
JB		 1200 return 0;
1201}
1202
1203static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1204 u8 *mac)
1205{
14db74bc
JB		 1206 struct ieee80211_local *local = wiphy_priv(wiphy);
1207 struct ieee80211_sub_if_data *sdata;
4fd6931e 1208
14db74bc
JB		 1209 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1210
34e89507
JB		 1211 if (mac)
1212 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1213
34e89507 1214 sta_info_flush(local, sdata);
4fd6931e
JB		 1215 return 0;
1216}
1217
1218static int ieee80211_change_station(struct wiphy *wiphy,
1219 struct net_device *dev,
1220 u8 *mac,
1221 struct station_parameters *params)
1222{
abe60632 1223 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1224 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1225 struct sta_info *sta;
1226 struct ieee80211_sub_if_data *vlansdata;
35b88623 1227 int err;
4fd6931e 1228
87be1e1e 1229 mutex_lock(&local->sta_mtx);
98dd6a57 1230
0e5ded5a 1231 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1232 if (!sta) {
87be1e1e 1233 mutex_unlock(&local->sta_mtx);
4fd6931e 1234 return -ENOENT;
98dd6a57 1235 }
4fd6931e 1236
bdd90d5e
JB		 1237 /* in station mode, supported rates are only valid with TDLS */
1238 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1239 params->supported_rates &&
1240 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1241 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1242 return -EINVAL;
1243 }
1244
d0709a65 1245 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1246 bool prev_4addr = false;
1247 bool new_4addr = false;
1248
4fd6931e
JB		 1249 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1250
05c914fe
JB		 1251 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1252 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1253 mutex_unlock(&local->sta_mtx);
4fd6931e 1254 return -EINVAL;
98dd6a57 1255 }
4fd6931e 1256
9bc383de 1257 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1258 if (vlansdata->u.vlan.sta) {
87be1e1e 1259 mutex_unlock(&local->sta_mtx);
f14543ee 1260 return -EBUSY;
3305443c 1261 }
f14543ee 1262
cf778b00 1263 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1264 new_4addr = true;
1265 }
1266
1267 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1268 sta->sdata->u.vlan.sta) {
1269 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1270 prev_4addr = true;
f14543ee
FF		 1271 }
1272
14db74bc 1273 sta->sdata = vlansdata;
7e3ed02c
FF		 1274
1275 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1276 prev_4addr != new_4addr) {
1277 if (new_4addr)
1278 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1279 else
1280 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1281 }
1282
4fd6931e
JB		 1283 ieee80211_send_layer2_update(sta);
1284 }
1285
35b88623
EP		 1286 err = sta_apply_parameters(local, sta, params);
1287 if (err) {
1288 mutex_unlock(&local->sta_mtx);
1289 return err;
1290 }
4fd6931e 1291
d64cf63e
AN		 1292 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1293 rate_control_rate_init(sta);
1294
87be1e1e 1295 mutex_unlock(&local->sta_mtx);
98dd6a57 1296
808118cb 1297 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1298 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1299 ieee80211_recalc_ps(local, -1);
ab095877
EP		 1300 ieee80211_recalc_ps_vif(sdata);
1301 }
4fd6931e
JB		 1302 return 0;
1303}
1304
c5dd9c2b
LCC		 1305#ifdef CONFIG_MAC80211_MESH
1306static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1307 u8 *dst, u8 *next_hop)
1308{
14db74bc 1309 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1310 struct mesh_path *mpath;
1311 struct sta_info *sta;
1312 int err;
1313
14db74bc
JB		 1314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1315
d0709a65 1316 rcu_read_lock();
abe60632 1317 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1318 if (!sta) {
1319 rcu_read_unlock();
c5dd9c2b 1320 return -ENOENT;
d0709a65 1321 }
c5dd9c2b 1322
f698d856 1323 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1324 if (err) {
1325 rcu_read_unlock();
c5dd9c2b 1326 return err;
d0709a65 1327 }
c5dd9c2b 1328
f698d856 1329 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1330 if (!mpath) {
1331 rcu_read_unlock();
c5dd9c2b
LCC		 1332 return -ENXIO;
1333 }
1334 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1335
c5dd9c2b
LCC		 1336 rcu_read_unlock();
1337 return 0;
1338}
1339
1340static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1341 u8 *dst)
1342{
f698d856
JBG		 1343 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1344
c5dd9c2b 1345 if (dst)
f698d856 1346 return mesh_path_del(dst, sdata);
c5dd9c2b 1347
ece1a2e7 1348 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1349 return 0;
1350}
1351
1352static int ieee80211_change_mpath(struct wiphy *wiphy,
1353 struct net_device *dev,
1354 u8 *dst, u8 *next_hop)
1355{
14db74bc 1356 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1357 struct mesh_path *mpath;
1358 struct sta_info *sta;
1359
14db74bc
JB		 1360 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1361
d0709a65
JB		 1362 rcu_read_lock();
1363
abe60632 1364 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1365 if (!sta) {
1366 rcu_read_unlock();
c5dd9c2b 1367 return -ENOENT;
d0709a65 1368 }
c5dd9c2b 1369
f698d856 1370 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1371 if (!mpath) {
1372 rcu_read_unlock();
c5dd9c2b
LCC		 1373 return -ENOENT;
1374 }
1375
1376 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1377
c5dd9c2b
LCC		 1378 rcu_read_unlock();
1379 return 0;
1380}
1381
1382static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1383 struct mpath_info *pinfo)
1384{
a3836e02
JB		 1385 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1386
1387 if (next_hop_sta)
1388 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1389 else
1390 memset(next_hop, 0, ETH_ALEN);
1391
f5ea9120
JB		 1392 pinfo->generation = mesh_paths_generation;
1393
c5dd9c2b 1394 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1395 MPATH_INFO_SN |
c5dd9c2b
LCC		 1396 MPATH_INFO_METRIC |
1397 MPATH_INFO_EXPTIME |
1398 MPATH_INFO_DISCOVERY_TIMEOUT |
1399 MPATH_INFO_DISCOVERY_RETRIES |
1400 MPATH_INFO_FLAGS;
1401
1402 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1403 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1404 pinfo->metric = mpath->metric;
1405 if (time_before(jiffies, mpath->exp_time))
1406 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1407 pinfo->discovery_timeout =
1408 jiffies_to_msecs(mpath->discovery_timeout);
1409 pinfo->discovery_retries = mpath->discovery_retries;
1410 pinfo->flags = 0;
1411 if (mpath->flags & MESH_PATH_ACTIVE)
1412 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1413 if (mpath->flags & MESH_PATH_RESOLVING)
1414 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1415 if (mpath->flags & MESH_PATH_SN_VALID)
1416 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1417 if (mpath->flags & MESH_PATH_FIXED)
1418 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1419 if (mpath->flags & MESH_PATH_RESOLVING)
1420 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1421
1422 pinfo->flags = mpath->flags;
1423}
1424
1425static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1426 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1427
1428{
14db74bc 1429 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1430 struct mesh_path *mpath;
1431
14db74bc
JB		 1432 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1433
c5dd9c2b 1434 rcu_read_lock();
f698d856 1435 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1436 if (!mpath) {
1437 rcu_read_unlock();
1438 return -ENOENT;
1439 }
1440 memcpy(dst, mpath->dst, ETH_ALEN);
1441 mpath_set_pinfo(mpath, next_hop, pinfo);
1442 rcu_read_unlock();
1443 return 0;
1444}
1445
1446static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1447 int idx, u8 *dst, u8 *next_hop,
1448 struct mpath_info *pinfo)
1449{
14db74bc 1450 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1451 struct mesh_path *mpath;
1452
14db74bc
JB		 1453 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1454
c5dd9c2b 1455 rcu_read_lock();
f698d856 1456 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1457 if (!mpath) {
1458 rcu_read_unlock();
1459 return -ENOENT;
1460 }
1461 memcpy(dst, mpath->dst, ETH_ALEN);
1462 mpath_set_pinfo(mpath, next_hop, pinfo);
1463 rcu_read_unlock();
1464 return 0;
1465}
93da9cc1 1466
24bdd9f4 1467static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1468 struct net_device *dev,
1469 struct mesh_config *conf)
1470{
1471 struct ieee80211_sub_if_data *sdata;
1472 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1473
93da9cc1 1474 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1475 return 0;
1476}
1477
1478static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1479{
1480 return (mask >> (parm-1)) & 0x1;
1481}
1482
c80d545d
JC		 1483static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1484 const struct mesh_setup *setup)
1485{
1486 u8 *new_ie;
1487 const u8 *old_ie;
4bb62344
CYY		 1488 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1489 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1490
581a8b0f 1491 /* allocate information elements */
c80d545d 1492 new_ie = NULL;
581a8b0f 1493 old_ie = ifmsh->ie;
c80d545d 1494
581a8b0f
JC		 1495 if (setup->ie_len) {
1496 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1497 GFP_KERNEL);
1498 if (!new_ie)
1499 return -ENOMEM;
1500 }
581a8b0f
JC		 1501 ifmsh->ie_len = setup->ie_len;
1502 ifmsh->ie = new_ie;
1503 kfree(old_ie);
c80d545d
JC		 1504
1505 /* now copy the rest of the setup parameters */
1506 ifmsh->mesh_id_len = setup->mesh_id_len;
1507 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1508 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1509 ifmsh->mesh_pp_id = setup->path_sel_proto;
1510 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1511 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1512 if (setup->is_authenticated)
1513 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1514 if (setup->is_secure)
1515 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1516
4bb62344
CYY		 1517 /* mcast rate setting in Mesh Node */
1518 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1519 sizeof(setup->mcast_rate));
1520
c80d545d
JC		 1521 return 0;
1522}
1523
24bdd9f4 1524static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1525 struct net_device *dev, u32 mask,
1526 const struct mesh_config *nconf)
93da9cc1 1527{
1528 struct mesh_config *conf;
1529 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1530 struct ieee80211_if_mesh *ifmsh;
1531
93da9cc1 1532 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1533 ifmsh = &sdata->u.mesh;
93da9cc1 1534
93da9cc1 1535 /* Set the config options which we are interested in setting */
1536 conf = &(sdata->u.mesh.mshcfg);
1537 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1538 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1539 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1540 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1542 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1543 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1544 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1545 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1546 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1547 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1548 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1549 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1550 conf->element_ttl = nconf->element_ttl;
93da9cc1 1551 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1552 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1553 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1554 conf->dot11MeshNbrOffsetMaxNeighbor =
1555 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1556 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1557 conf->dot11MeshHWMPmaxPREQretries =
1558 nconf->dot11MeshHWMPmaxPREQretries;
1559 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1560 conf->path_refresh_time = nconf->path_refresh_time;
1561 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1562 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1563 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1564 conf->dot11MeshHWMPactivePathTimeout =
1565 nconf->dot11MeshHWMPactivePathTimeout;
1566 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1567 conf->dot11MeshHWMPpreqMinInterval =
1568 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1569 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1570 conf->dot11MeshHWMPperrMinInterval =
1571 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1572 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1573 mask))
1574 conf->dot11MeshHWMPnetDiameterTraversalTime =
1575 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1576 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1577 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1578 ieee80211_mesh_root_setup(ifmsh);
1579 }
16dd7267 1580 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1581 /* our current gate announcement implementation rides on root
1582 * announcements, so require this ifmsh to also be a root node
1583 * */
1584 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1585 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1586 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1587 ieee80211_mesh_root_setup(ifmsh);
1588 }
16dd7267
JC		 1589 conf->dot11MeshGateAnnouncementProtocol =
1590 nconf->dot11MeshGateAnnouncementProtocol;
1591 }
a4f606ea 1592 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1593 conf->dot11MeshHWMPRannInterval =
1594 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1595 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1596 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1597 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1598 /* our RSSI threshold implementation is supported only for
1599 * devices that report signal in dBm.
1600 */
1601 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1602 return -ENOTSUPP;
1603 conf->rssi_threshold = nconf->rssi_threshold;
1604 }
70c33eaa
AN		 1605 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1606 conf->ht_opmode = nconf->ht_opmode;
1607 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1608 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1609 }
ac1073a6
CYY		 1610 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1611 conf->dot11MeshHWMPactivePathToRootTimeout =
1612 nconf->dot11MeshHWMPactivePathToRootTimeout;
1613 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1614 conf->dot11MeshHWMProotInterval =
1615 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1616 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1617 conf->dot11MeshHWMPconfirmationInterval =
1618 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1619 return 0;
1620}
1621
29cbe68c
JB		 1622static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1623 const struct mesh_config *conf,
1624 const struct mesh_setup *setup)
1625{
1626 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1627 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1628 int err;
29cbe68c 1629
c80d545d
JC		 1630 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1631 err = copy_mesh_setup(ifmsh, setup);
1632 if (err)
1633 return err;
cc1d2806
JB		 1634
1635 err = ieee80211_set_channel(wiphy, dev, setup->channel,
1636 setup->channel_type);
1637 if (err)
1638 return err;
1639
29cbe68c
JB		 1640 ieee80211_start_mesh(sdata);
1641
1642 return 0;
1643}
1644
1645static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1646{
1647 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1648
1649 ieee80211_stop_mesh(sdata);
1650
1651 return 0;
1652}
c5dd9c2b
LCC		 1653#endif
1654
9f1ba906
JM		 1655static int ieee80211_change_bss(struct wiphy *wiphy,
1656 struct net_device *dev,
1657 struct bss_parameters *params)
1658{
9f1ba906
JM		 1659 struct ieee80211_sub_if_data *sdata;
1660 u32 changed = 0;
1661
9f1ba906
JM		 1662 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1663
9f1ba906 1664 if (params->use_cts_prot >= 0) {
bda3933a 1665 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1666 changed |= BSS_CHANGED_ERP_CTS_PROT;
1667 }
1668 if (params->use_short_preamble >= 0) {
bda3933a 1669 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1670 params->use_short_preamble;
1671 changed |= BSS_CHANGED_ERP_PREAMBLE;
1672 }
43d35343
FF		 1673
1674 if (!sdata->vif.bss_conf.use_short_slot &&
679ef4ea 1675 sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
43d35343
FF		 1676 sdata->vif.bss_conf.use_short_slot = true;
1677 changed |= BSS_CHANGED_ERP_SLOT;
1678 }
1679
9f1ba906 1680 if (params->use_short_slot_time >= 0) {
bda3933a 1681 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1682 params->use_short_slot_time;
1683 changed |= BSS_CHANGED_ERP_SLOT;
1684 }
1685
90c97a04
JM		 1686 if (params->basic_rates) {
1687 int i, j;
1688 u32 rates = 0;
1689 struct ieee80211_local *local = wiphy_priv(wiphy);
1690 struct ieee80211_supported_band *sband =
1691 wiphy->bands[local->oper_channel->band];
1692
1693 for (i = 0; i < params->basic_rates_len; i++) {
1694 int rate = (params->basic_rates[i] & 0x7f) * 5;
1695 for (j = 0; j < sband->n_bitrates; j++) {
1696 if (sband->bitrates[j].bitrate == rate)
1697 rates |= BIT(j);
1698 }
1699 }
1700 sdata->vif.bss_conf.basic_rates = rates;
1701 changed |= BSS_CHANGED_BASIC_RATES;
1702 }
1703
7b7b5e56
FF		 1704 if (params->ap_isolate >= 0) {
1705 if (params->ap_isolate)
1706 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1707 else
1708 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1709 }
1710
80d7e403
HS		 1711 if (params->ht_opmode >= 0) {
1712 sdata->vif.bss_conf.ht_operation_mode =
1713 (u16) params->ht_opmode;
1714 changed |= BSS_CHANGED_HT;
1715 }
1716
9f1ba906
JM		 1717 ieee80211_bss_info_change_notify(sdata, changed);
1718
1719 return 0;
1720}
1721
31888487 1722static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1723 struct net_device *dev,
31888487
JM		 1724 struct ieee80211_txq_params *params)
1725{
1726 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1727 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1728 struct ieee80211_tx_queue_params p;
1729
1730 if (!local->ops->conf_tx)
1731 return -EOPNOTSUPP;
1732
54bcbc69
JB		 1733 if (local->hw.queues < IEEE80211_NUM_ACS)
1734 return -EOPNOTSUPP;
1735
31888487
JM		 1736 memset(&p, 0, sizeof(p));
1737 p.aifs = params->aifs;
1738 p.cw_max = params->cwmax;
1739 p.cw_min = params->cwmin;
1740 p.txop = params->txop;
ab13315a
KV		 1741
1742 /*
1743 * Setting tx queue params disables u-apsd because it's only
1744 * called in master mode.
1745 */
1746 p.uapsd = false;
1747
a3304b0a
JB		 1748 sdata->tx_conf[params->ac] = p;
1749 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1750 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1751 "failed to set TX queue parameters for AC %d\n",
1752 params->ac);
31888487
JM		 1753 return -EINVAL;
1754 }
1755
7d25745d
JB		 1756 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1757
31888487
JM		 1758 return 0;
1759}
1760
665af4fc 1761#ifdef CONFIG_PM
ff1b6e69
JB		 1762static int ieee80211_suspend(struct wiphy *wiphy,
1763 struct cfg80211_wowlan *wowlan)
665af4fc 1764{
eecc4800 1765 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1766}
1767
1768static int ieee80211_resume(struct wiphy *wiphy)
1769{
1770 return __ieee80211_resume(wiphy_priv(wiphy));
1771}
1772#else
1773#define ieee80211_suspend NULL
1774#define ieee80211_resume NULL
1775#endif
1776
2a519311 1777static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1778 struct cfg80211_scan_request *req)
1779{
fd014284
JB		 1780 struct ieee80211_sub_if_data *sdata;
1781
1782 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1783
2ca27bcf
JB		 1784 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1785 case NL80211_IFTYPE_STATION:
1786 case NL80211_IFTYPE_ADHOC:
1787 case NL80211_IFTYPE_MESH_POINT:
1788 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1789 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB		 1790 break;
1791 case NL80211_IFTYPE_P2P_GO:
1792 if (sdata->local->ops->hw_scan)
1793 break;
e9d7732e
JB		 1794 /*
1795 * FIXME: implement NoA while scanning in software,
1796 * for now fall through to allow scanning only when
1797 * beaconing hasn't been configured yet
1798 */
2ca27bcf
JB		 1799 case NL80211_IFTYPE_AP:
1800 if (sdata->u.ap.beacon)
1801 return -EOPNOTSUPP;
1802 break;
1803 default:
1804 return -EOPNOTSUPP;
1805 }
2a519311
JB		 1806
1807 return ieee80211_request_scan(sdata, req);
1808}
1809
79f460ca
LC		 1810static int
1811ieee80211_sched_scan_start(struct wiphy *wiphy,
1812 struct net_device *dev,
1813 struct cfg80211_sched_scan_request *req)
1814{
1815 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1816
1817 if (!sdata->local->ops->sched_scan_start)
1818 return -EOPNOTSUPP;
1819
1820 return ieee80211_request_sched_scan_start(sdata, req);
1821}
1822
1823static int
85a9994a 1824ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1825{
1826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1827
1828 if (!sdata->local->ops->sched_scan_stop)
1829 return -EOPNOTSUPP;
1830
85a9994a 1831 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1832}
1833
636a5d36
JM		 1834static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1835 struct cfg80211_auth_request *req)
1836{
77fdaa12 1837 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1838}
1839
1840static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1841 struct cfg80211_assoc_request *req)
1842{
f444de05
JB		 1843 struct ieee80211_local *local = wiphy_priv(wiphy);
1844 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1845
1846 switch (ieee80211_get_channel_mode(local, sdata)) {
1847 case CHAN_MODE_HOPPING:
1848 return -EBUSY;
1849 case CHAN_MODE_FIXED:
1850 if (local->oper_channel == req->bss->channel)
1851 break;
1852 return -EBUSY;
1853 case CHAN_MODE_UNDEFINED:
1854 break;
1855 }
1856
77fdaa12 1857 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1858}
1859
1860static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1861 struct cfg80211_deauth_request *req)
636a5d36 1862{
63c9c5e7 1863 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1864}
1865
1866static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1867 struct cfg80211_disassoc_request *req)
636a5d36 1868{
63c9c5e7 1869 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1870}
1871
af8cdcd8
JB		 1872static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1873 struct cfg80211_ibss_params *params)
1874{
f444de05 1875 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1877
f444de05
JB		 1878 switch (ieee80211_get_channel_mode(local, sdata)) {
1879 case CHAN_MODE_HOPPING:
1880 return -EBUSY;
1881 case CHAN_MODE_FIXED:
1882 if (!params->channel_fixed)
1883 return -EBUSY;
1884 if (local->oper_channel == params->channel)
1885 break;
1886 return -EBUSY;
1887 case CHAN_MODE_UNDEFINED:
1888 break;
1889 }
1890
af8cdcd8
JB		 1891 return ieee80211_ibss_join(sdata, params);
1892}
1893
1894static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1895{
1896 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1897
1898 return ieee80211_ibss_leave(sdata);
1899}
1900
b9a5f8ca
JM		 1901static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1902{
1903 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1904 int err;
b9a5f8ca 1905
f23a4780
AN		 1906 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1907 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1908
1909 if (err)
1910 return err;
1911 }
1912
310bc676
LT		 1913 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1914 err = drv_set_coverage_class(local, wiphy->coverage_class);
1915
1916 if (err)
1917 return err;
1918 }
1919
b9a5f8ca 1920 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1921 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1922
24487981
JB		 1923 if (err)
1924 return err;
b9a5f8ca
JM		 1925 }
1926
1927 if (changed & WIPHY_PARAM_RETRY_SHORT)
1928 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1929 if (changed & WIPHY_PARAM_RETRY_LONG)
1930 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1931 if (changed &
1932 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1933 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1934
1935 return 0;
1936}
1937
7643a2c3 1938static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1939 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1940{
1941 struct ieee80211_local *local = wiphy_priv(wiphy);
679ef4ea 1942 struct ieee80211_channel *chan = local->oper_channel;
7643a2c3 1943 u32 changes = 0;
7643a2c3
JB		 1944
1945 switch (type) {
fa61cf70 1946 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1947 local->user_power_level = -1;
1948 break;
fa61cf70
JO		 1949 case NL80211_TX_POWER_LIMITED:
1950 if (mbm < 0 || (mbm % 100))
1951 return -EOPNOTSUPP;
1952 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1953 break;
fa61cf70
JO		 1954 case NL80211_TX_POWER_FIXED:
1955 if (mbm < 0 || (mbm % 100))
1956 return -EOPNOTSUPP;
7643a2c3 1957 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1958 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1959 return -EINVAL;
fa61cf70 1960 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1961 break;
7643a2c3
JB		 1962 }
1963
1964 ieee80211_hw_config(local, changes);
1965
1966 return 0;
1967}
1968
1969static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1970{
1971 struct ieee80211_local *local = wiphy_priv(wiphy);
1972
1973 *dbm = local->hw.conf.power_level;
1974
7643a2c3
JB		 1975 return 0;
1976}
1977
ab737a4f 1978static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1979 const u8 *addr)
ab737a4f
JB		 1980{
1981 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1982
1983 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1984
1985 return 0;
1986}
1987
1f87f7d3
JB		 1988static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1989{
1990 struct ieee80211_local *local = wiphy_priv(wiphy);
1991
1992 drv_rfkill_poll(local);
1993}
1994
aff89a9b 1995#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1996static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1997{
1998 struct ieee80211_local *local = wiphy_priv(wiphy);
1999
2000 if (!local->ops->testmode_cmd)
2001 return -EOPNOTSUPP;
2002
2003 return local->ops->testmode_cmd(&local->hw, data, len);
2004}
71063f0e
WYG		 2005
2006static int ieee80211_testmode_dump(struct wiphy *wiphy,
2007 struct sk_buff *skb,
2008 struct netlink_callback *cb,
2009 void *data, int len)
2010{
2011 struct ieee80211_local *local = wiphy_priv(wiphy);
2012
2013 if (!local->ops->testmode_dump)
2014 return -EOPNOTSUPP;
2015
2016 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2017}
aff89a9b
JB		 2018#endif
2019
0f78231b
JB		 2020int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2021 enum ieee80211_smps_mode smps_mode)
2022{
2023 const u8 *ap;
2024 enum ieee80211_smps_mode old_req;
2025 int err;
2026
243e6df4
JB		 2027 lockdep_assert_held(&sdata->u.mgd.mtx);
2028
0f78231b
JB		 2029 old_req = sdata->u.mgd.req_smps;
2030 sdata->u.mgd.req_smps = smps_mode;
2031
2032 if (old_req == smps_mode &&
2033 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2034 return 0;
2035
2036 /*
2037 * If not associated, or current association is not an HT
2038 * association, there's no need to send an action frame.
2039 */
2040 if (!sdata->u.mgd.associated ||
0aaffa9b 2041 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 2042 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 2043 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 2044 mutex_unlock(&sdata->local->iflist_mtx);
2045 return 0;
2046 }
2047
0c1ad2ca 2048 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2049
2050 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2051 if (sdata->u.mgd.powersave)
2052 smps_mode = IEEE80211_SMPS_DYNAMIC;
2053 else
2054 smps_mode = IEEE80211_SMPS_OFF;
2055 }
2056
2057 /* send SM PS frame to AP */
2058 err = ieee80211_send_smps_action(sdata, smps_mode,
2059 ap, ap);
2060 if (err)
2061 sdata->u.mgd.req_smps = old_req;
2062
2063 return err;
2064}
2065
bc92afd9
JB		 2066static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2067 bool enabled, int timeout)
2068{
2069 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2070 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2071
e5de30c9
BP		 2072 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2073 return -EOPNOTSUPP;
2074
bc92afd9
JB		 2075 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2076 return -EOPNOTSUPP;
2077
2078 if (enabled == sdata->u.mgd.powersave &&
ff616381 2079 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2080 return 0;
2081
2082 sdata->u.mgd.powersave = enabled;
ff616381 2083 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2084
0f78231b
JB		 2085 /* no change, but if automatic follow powersave */
2086 mutex_lock(&sdata->u.mgd.mtx);
2087 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2088 mutex_unlock(&sdata->u.mgd.mtx);
2089
bc92afd9
JB		 2090 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2091 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2092
2093 ieee80211_recalc_ps(local, -1);
ab095877 2094 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB		 2095
2096 return 0;
2097}
2098
a97c13c3
JO		 2099static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2100 struct net_device *dev,
2101 s32 rssi_thold, u32 rssi_hyst)
2102{
2103 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2104 struct ieee80211_vif *vif = &sdata->vif;
2105 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2106
a97c13c3
JO		 2107 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2108 rssi_hyst == bss_conf->cqm_rssi_hyst)
2109 return 0;
2110
2111 bss_conf->cqm_rssi_thold = rssi_thold;
2112 bss_conf->cqm_rssi_hyst = rssi_hyst;
2113
2114 /* tell the driver upon association, unless already associated */
ea086359
JB		 2115 if (sdata->u.mgd.associated &&
2116 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2117 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2118
2119 return 0;
2120}
2121
9930380f
JB		 2122static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2123 struct net_device *dev,
2124 const u8 *addr,
2125 const struct cfg80211_bitrate_mask *mask)
2126{
2127 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2128 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2129 int i, ret;
2c7e6bc9 2130
554a43d5
EP		 2131 if (!ieee80211_sdata_running(sdata))
2132 return -ENETDOWN;
2133
bdbfd6b5
SM		 2134 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2135 ret = drv_set_bitrate_mask(local, sdata, mask);
2136 if (ret)
2137 return ret;
2138 }
9930380f 2139
19468413 2140 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2141 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2142 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2143 sizeof(mask->control[i].mcs));
2144 }
9930380f 2145
37eb0b16 2146 return 0;
9930380f
JB		 2147}
2148
2eb278e0
JB		 2149static int ieee80211_start_roc_work(struct ieee80211_local *local,
2150 struct ieee80211_sub_if_data *sdata,
2151 struct ieee80211_channel *channel,
2152 enum nl80211_channel_type channel_type,
2153 unsigned int duration, u64 *cookie,
2154 struct sk_buff *txskb)
2155{
2156 struct ieee80211_roc_work *roc, *tmp;
2157 bool queued = false;
21f83589 2158 int ret;
21f83589
JB		 2159
2160 lockdep_assert_held(&local->mtx);
2161
2eb278e0
JB		 2162 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2163 if (!roc)
2164 return -ENOMEM;
2165
2166 roc->chan = channel;
2167 roc->chan_type = channel_type;
2168 roc->duration = duration;
2169 roc->req_duration = duration;
2170 roc->frame = txskb;
2171 roc->mgmt_tx_cookie = (unsigned long)txskb;
2172 roc->sdata = sdata;
2173 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2174 INIT_LIST_HEAD(&roc->dependents);
2175
2176 /* if there's one pending or we're scanning, queue this one */
2177 if (!list_empty(&local->roc_list) || local->scanning)
2178 goto out_check_combine;
2179
2180 /* if not HW assist, just queue & schedule work */
2181 if (!local->ops->remain_on_channel) {
2182 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2183 goto out_queue;
2184 }
2185
2186 /* otherwise actually kick it off here (for error handling) */
2187
2188 /*
2189 * If the duration is zero, then the driver
2190 * wouldn't actually do anything. Set it to
2191 * 10 for now.
2192 *
2193 * TODO: cancel the off-channel operation
2194 * when we get the SKB's TX status and
2195 * the wait time was zero before.
2196 */
2197 if (!duration)
2198 duration = 10;
2199
2200 ret = drv_remain_on_channel(local, channel, channel_type, duration);
21f83589 2201 if (ret) {
2eb278e0
JB		 2202 kfree(roc);
2203 return ret;
21f83589
JB		 2204 }
2205
2eb278e0
JB		 2206 roc->started = true;
2207 goto out_queue;
2208
2209 out_check_combine:
2210 list_for_each_entry(tmp, &local->roc_list, list) {
2211 if (tmp->chan != channel || tmp->chan_type != channel_type)
2212 continue;
2213
2214 /*
2215 * Extend this ROC if possible:
2216 *
2217 * If it hasn't started yet, just increase the duration
2218 * and add the new one to the list of dependents.
2219 */
2220 if (!tmp->started) {
2221 list_add_tail(&roc->list, &tmp->dependents);
2222 tmp->duration = max(tmp->duration, roc->duration);
2223 queued = true;
2224 break;
2225 }
2226
2227 /* If it has already started, it's more difficult ... */
2228 if (local->ops->remain_on_channel) {
2229 unsigned long j = jiffies;
2230
2231 /*
2232 * In the offloaded ROC case, if it hasn't begun, add
2233 * this new one to the dependent list to be handled
2234 * when the the master one begins. If it has begun,
2235 * check that there's still a minimum time left and
2236 * if so, start this one, transmitting the frame, but
2237 * add it to the list directly after this one with a
2238 * a reduced time so we'll ask the driver to execute
2239 * it right after finishing the previous one, in the
2240 * hope that it'll also be executed right afterwards,
2241 * effectively extending the old one.
2242 * If there's no minimum time left, just add it to the
2243 * normal list.
2244 */
2245 if (!tmp->hw_begun) {
2246 list_add_tail(&roc->list, &tmp->dependents);
2247 queued = true;
2248 break;
2249 }
2250
2251 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2252 tmp->hw_start_time +
2253 msecs_to_jiffies(tmp->duration))) {
2254 int new_dur;
2255
2256 ieee80211_handle_roc_started(roc);
2257
2258 new_dur = roc->duration -
2259 jiffies_to_msecs(tmp->hw_start_time +
2260 msecs_to_jiffies(
2261 tmp->duration) -
2262 j);
2263
2264 if (new_dur > 0) {
2265 /* add right after tmp */
2266 list_add(&roc->list, &tmp->list);
2267 } else {
2268 list_add_tail(&roc->list,
2269 &tmp->dependents);
2270 }
2271 queued = true;
2272 }
2273 } else if (del_timer_sync(&tmp->work.timer)) {
2274 unsigned long new_end;
2275
2276 /*
2277 * In the software ROC case, cancel the timer, if
2278 * that fails then the finish work is already
2279 * queued/pending and thus we queue the new ROC
2280 * normally, if that succeeds then we can extend
2281 * the timer duration and TX the frame (if any.)
2282 */
2283
2284 list_add_tail(&roc->list, &tmp->dependents);
2285 queued = true;
2286
2287 new_end = jiffies + msecs_to_jiffies(roc->duration);
2288
2289 /* ok, it was started & we canceled timer */
2290 if (time_after(new_end, tmp->work.timer.expires))
2291 mod_timer(&tmp->work.timer, new_end);
2292 else
2293 add_timer(&tmp->work.timer);
2294
2295 ieee80211_handle_roc_started(roc);
2296 }
2297 break;
2298 }
2299
2300 out_queue:
2301 if (!queued)
2302 list_add_tail(&roc->list, &local->roc_list);
2303
2304 /*
2305 * cookie is either the roc (for normal roc)
2306 * or the SKB (for mgmt TX)
2307 */
2308 if (txskb)
2309 *cookie = (unsigned long)txskb;
2310 else
2311 *cookie = (unsigned long)roc;
2312
2313 return 0;
21f83589
JB		 2314}
2315
b8bc4b0a 2316static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2317 struct wireless_dev *wdev,
b8bc4b0a
JB		 2318 struct ieee80211_channel *chan,
2319 enum nl80211_channel_type channel_type,
2320 unsigned int duration,
2321 u64 *cookie)
2322{
71bbc994 2323 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2324 struct ieee80211_local *local = sdata->local;
2eb278e0 2325 int ret;
21f83589 2326
2eb278e0
JB		 2327 mutex_lock(&local->mtx);
2328 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2329 duration, cookie, NULL);
2330 mutex_unlock(&local->mtx);
b8bc4b0a 2331
2eb278e0 2332 return ret;
b8bc4b0a
JB		 2333}
2334
2eb278e0
JB		 2335static int ieee80211_cancel_roc(struct ieee80211_local *local,
2336 u64 cookie, bool mgmt_tx)
21f83589 2337{
2eb278e0 2338 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2339 int ret;
2340
2eb278e0
JB		 2341 mutex_lock(&local->mtx);
2342 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2343 struct ieee80211_roc_work *dep, *tmp2;
2344
2345 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2346 if (!mgmt_tx && (unsigned long)dep != cookie)
2347 continue;
2348 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2349 continue;
2350 /* found dependent item -- just remove it */
2351 list_del(&dep->list);
2352 mutex_unlock(&local->mtx);
2353
2354 ieee80211_roc_notify_destroy(dep);
2355 return 0;
2356 }
2357
2eb278e0
JB		 2358 if (!mgmt_tx && (unsigned long)roc != cookie)
2359 continue;
2360 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2361 continue;
21f83589 2362
2eb278e0
JB		 2363 found = roc;
2364 break;
2365 }
21f83589 2366
2eb278e0
JB		 2367 if (!found) {
2368 mutex_unlock(&local->mtx);
2369 return -ENOENT;
2370 }
21f83589 2371
e979e33c
JB		 2372 /*
2373 * We found the item to cancel, so do that. Note that it
2374 * may have dependents, which we also cancel (and send
2375 * the expired signal for.) Not doing so would be quite
2376 * tricky here, but we may need to fix it later.
2377 */
2378
2eb278e0
JB		 2379 if (local->ops->remain_on_channel) {
2380 if (found->started) {
2381 ret = drv_cancel_remain_on_channel(local);
2382 if (WARN_ON_ONCE(ret)) {
2383 mutex_unlock(&local->mtx);
2384 return ret;
2385 }
2386 }
21f83589 2387
2eb278e0 2388 list_del(&found->list);
21f83589 2389
0f6b3f59
JB		 2390 if (found->started)
2391 ieee80211_start_next_roc(local);
2eb278e0 2392 mutex_unlock(&local->mtx);
21f83589 2393
2eb278e0
JB		 2394 ieee80211_roc_notify_destroy(found);
2395 } else {
2396 /* work may be pending so use it all the time */
2397 found->abort = true;
2398 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2399
21f83589
JB		 2400 mutex_unlock(&local->mtx);
2401
2eb278e0
JB		 2402 /* work will clean up etc */
2403 flush_delayed_work(&found->work);
21f83589 2404 }
b8bc4b0a 2405
2eb278e0 2406 return 0;
b8bc4b0a
JB		 2407}
2408
2eb278e0 2409static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2410 struct wireless_dev *wdev,
2eb278e0 2411 u64 cookie)
f30221e4 2412{
71bbc994 2413 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2414 struct ieee80211_local *local = sdata->local;
f30221e4 2415
2eb278e0 2416 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2417}
2418
71bbc994 2419static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2420 struct ieee80211_channel *chan, bool offchan,
2e161f78 2421 enum nl80211_channel_type channel_type,
f7ca38df 2422 bool channel_type_valid, unsigned int wait,
e9f935e3 2423 const u8 *buf, size_t len, bool no_cck,
e247bd90 2424 bool dont_wait_for_ack, u64 *cookie)
026331c4 2425{
71bbc994 2426 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2427 struct ieee80211_local *local = sdata->local;
2428 struct sk_buff *skb;
2429 struct sta_info *sta;
2430 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2431 bool need_offchan = false;
e247bd90 2432 u32 flags;
2eb278e0 2433 int ret;
f7ca38df 2434
e247bd90
JB		 2435 if (dont_wait_for_ack)
2436 flags = IEEE80211_TX_CTL_NO_ACK;
2437 else
2438 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2439 IEEE80211_TX_CTL_REQ_TX_STATUS;
2440
aad14ceb
RM		 2441 if (no_cck)
2442 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2443
9d38d85d
JB		 2444 switch (sdata->vif.type) {
2445 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2446 if (!sdata->vif.bss_conf.ibss_joined)
2447 need_offchan = true;
2448 /* fall through */
2449#ifdef CONFIG_MAC80211_MESH
2450 case NL80211_IFTYPE_MESH_POINT:
2451 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2452 !sdata->u.mesh.mesh_id_len)
2453 need_offchan = true;
2454 /* fall through */
2455#endif
663fcafd
JB		 2456 case NL80211_IFTYPE_AP:
2457 case NL80211_IFTYPE_AP_VLAN:
2458 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2459 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2460 !ieee80211_vif_is_mesh(&sdata->vif) &&
2461 !rcu_access_pointer(sdata->bss->beacon))
2462 need_offchan = true;
663fcafd
JB		 2463 if (!ieee80211_is_action(mgmt->frame_control) ||
2464 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2465 break;
2466 rcu_read_lock();
2467 sta = sta_info_get(sdata, mgmt->da);
2468 rcu_read_unlock();
2469 if (!sta)
2470 return -ENOLINK;
2471 break;
2472 case NL80211_IFTYPE_STATION:
663fcafd 2473 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2474 if (!sdata->u.mgd.associated)
2475 need_offchan = true;
9d38d85d 2476 break;
f142c6b9
JB		 2477 case NL80211_IFTYPE_P2P_DEVICE:
2478 need_offchan = true;
2479 break;
9d38d85d
JB		 2480 default:
2481 return -EOPNOTSUPP;
2482 }
2483
2eb278e0
JB		 2484 mutex_lock(&local->mtx);
2485
2486 /* Check if the operating channel is the requested channel */
2487 if (!need_offchan) {
2488 need_offchan = chan != local->oper_channel;
2489 if (channel_type_valid &&
2490 channel_type != local->_oper_channel_type)
2491 need_offchan = true;
2492 }
2493
2494 if (need_offchan && !offchan) {
2495 ret = -EBUSY;
2496 goto out_unlock;
2497 }
2498
9d38d85d 2499 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2500 if (!skb) {
2501 ret = -ENOMEM;
2502 goto out_unlock;
2503 }
9d38d85d
JB		 2504 skb_reserve(skb, local->hw.extra_tx_headroom);
2505
2506 memcpy(skb_put(skb, len), buf, len);
2507
2508 IEEE80211_SKB_CB(skb)->flags = flags;
2509
2510 skb->dev = sdata->dev;
9d38d85d 2511
2eb278e0 2512 if (!need_offchan) {
7f9f78ab 2513 *cookie = (unsigned long) skb;
f30221e4 2514 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2515 ret = 0;
2516 goto out_unlock;
f30221e4
JB		 2517 }
2518
2eb278e0
JB		 2519 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2520 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2521 IEEE80211_SKB_CB(skb)->hw_queue =
2522 local->hw.offchannel_tx_hw_queue;
f30221e4 2523
2eb278e0
JB		 2524 /* This will handle all kinds of coalescing and immediate TX */
2525 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2526 wait, cookie, skb);
2527 if (ret)
2528 kfree_skb(skb);
2529 out_unlock:
2530 mutex_unlock(&local->mtx);
2531 return ret;
026331c4
JM		 2532}
2533
f30221e4 2534static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2535 struct wireless_dev *wdev,
f30221e4
JB		 2536 u64 cookie)
2537{
71bbc994 2538 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2539
2eb278e0 2540 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2541}
2542
7be5086d 2543static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2544 struct wireless_dev *wdev,
7be5086d
JB		 2545 u16 frame_type, bool reg)
2546{
2547 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2548 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2549
6abe0563
WH		 2550 switch (frame_type) {
2551 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2552 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2553 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2554
6abe0563
WH		 2555 if (reg)
2556 ifibss->auth_frame_registrations++;
2557 else
2558 ifibss->auth_frame_registrations--;
2559 }
2560 break;
2561 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2562 if (reg)
2563 local->probe_req_reg++;
2564 else
2565 local->probe_req_reg--;
7be5086d 2566
6abe0563
WH		 2567 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2568 break;
2569 default:
2570 break;
2571 }
7be5086d
JB		 2572}
2573
15d96753
BR		 2574static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2575{
2576 struct ieee80211_local *local = wiphy_priv(wiphy);
2577
2578 if (local->started)
2579 return -EOPNOTSUPP;
2580
2581 return drv_set_antenna(local, tx_ant, rx_ant);
2582}
2583
2584static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2585{
2586 struct ieee80211_local *local = wiphy_priv(wiphy);
2587
2588 return drv_get_antenna(local, tx_ant, rx_ant);
2589}
2590
38c09159
JL		 2591static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2592{
2593 struct ieee80211_local *local = wiphy_priv(wiphy);
2594
2595 return drv_set_ringparam(local, tx, rx);
2596}
2597
2598static void ieee80211_get_ringparam(struct wiphy *wiphy,
2599 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2600{
2601 struct ieee80211_local *local = wiphy_priv(wiphy);
2602
2603 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2604}
2605
c68f4b89
JB		 2606static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2607 struct net_device *dev,
2608 struct cfg80211_gtk_rekey_data *data)
2609{
2610 struct ieee80211_local *local = wiphy_priv(wiphy);
2611 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2612
2613 if (!local->ops->set_rekey_data)
2614 return -EOPNOTSUPP;
2615
2616 drv_set_rekey_data(local, sdata, data);
2617
2618 return 0;
2619}
2620
dfe018bf
AN		 2621static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2622{
2623 u8 *pos = (void *)skb_put(skb, 7);
2624
2625 *pos++ = WLAN_EID_EXT_CAPABILITY;
2626 *pos++ = 5; /* len */
2627 *pos++ = 0x0;
2628 *pos++ = 0x0;
2629 *pos++ = 0x0;
2630 *pos++ = 0x0;
2631 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2632}
2633
2634static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2635{
2636 struct ieee80211_local *local = sdata->local;
2637 u16 capab;
2638
2639 capab = 0;
2640 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2641 return capab;
2642
2643 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2644 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2645 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2646 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2647
2648 return capab;
2649}
2650
2651static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2652 u8 *peer, u8 *bssid)
2653{
2654 struct ieee80211_tdls_lnkie *lnkid;
2655
2656 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2657
2658 lnkid->ie_type = WLAN_EID_LINK_ID;
2659 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2660
2661 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2662 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2663 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2664}
2665
2666static int
2667ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2668 u8 *peer, u8 action_code, u8 dialog_token,
2669 u16 status_code, struct sk_buff *skb)
2670{
2671 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6b77863b 2672 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2673 struct ieee80211_tdls_data *tf;
2674
2675 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2676
2677 memcpy(tf->da, peer, ETH_ALEN);
2678 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2679 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2680 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2681
2682 switch (action_code) {
2683 case WLAN_TDLS_SETUP_REQUEST:
2684 tf->category = WLAN_CATEGORY_TDLS;
2685 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2686
2687 skb_put(skb, sizeof(tf->u.setup_req));
2688 tf->u.setup_req.dialog_token = dialog_token;
2689 tf->u.setup_req.capability =
2690 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2691
6b77863b
JB		 2692 ieee80211_add_srates_ie(sdata, skb, false,
2693 local->oper_channel->band);
2694 ieee80211_add_ext_srates_ie(sdata, skb, false,
2695 local->oper_channel->band);
dfe018bf
AN		 2696 ieee80211_tdls_add_ext_capab(skb);
2697 break;
2698 case WLAN_TDLS_SETUP_RESPONSE:
2699 tf->category = WLAN_CATEGORY_TDLS;
2700 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2701
2702 skb_put(skb, sizeof(tf->u.setup_resp));
2703 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2704 tf->u.setup_resp.dialog_token = dialog_token;
2705 tf->u.setup_resp.capability =
2706 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2707
6b77863b
JB		 2708 ieee80211_add_srates_ie(sdata, skb, false,
2709 local->oper_channel->band);
2710 ieee80211_add_ext_srates_ie(sdata, skb, false,
2711 local->oper_channel->band);
dfe018bf
AN		 2712 ieee80211_tdls_add_ext_capab(skb);
2713 break;
2714 case WLAN_TDLS_SETUP_CONFIRM:
2715 tf->category = WLAN_CATEGORY_TDLS;
2716 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2717
2718 skb_put(skb, sizeof(tf->u.setup_cfm));
2719 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2720 tf->u.setup_cfm.dialog_token = dialog_token;
2721 break;
2722 case WLAN_TDLS_TEARDOWN:
2723 tf->category = WLAN_CATEGORY_TDLS;
2724 tf->action_code = WLAN_TDLS_TEARDOWN;
2725
2726 skb_put(skb, sizeof(tf->u.teardown));
2727 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2728 break;
2729 case WLAN_TDLS_DISCOVERY_REQUEST:
2730 tf->category = WLAN_CATEGORY_TDLS;
2731 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2732
2733 skb_put(skb, sizeof(tf->u.discover_req));
2734 tf->u.discover_req.dialog_token = dialog_token;
2735 break;
2736 default:
2737 return -EINVAL;
2738 }
2739
2740 return 0;
2741}
2742
2743static int
2744ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2745 u8 *peer, u8 action_code, u8 dialog_token,
2746 u16 status_code, struct sk_buff *skb)
2747{
2748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
6b77863b 2749 struct ieee80211_local *local = sdata->local;
dfe018bf
AN		 2750 struct ieee80211_mgmt *mgmt;
2751
2752 mgmt = (void *)skb_put(skb, 24);
2753 memset(mgmt, 0, 24);
2754 memcpy(mgmt->da, peer, ETH_ALEN);
2755 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2756 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2757
2758 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2759 IEEE80211_STYPE_ACTION);
2760
2761 switch (action_code) {
2762 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2763 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2764 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2765 mgmt->u.action.u.tdls_discover_resp.action_code =
2766 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2767 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2768 dialog_token;
2769 mgmt->u.action.u.tdls_discover_resp.capability =
2770 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2771
6b77863b
JB		 2772 ieee80211_add_srates_ie(sdata, skb, false,
2773 local->oper_channel->band);
2774 ieee80211_add_ext_srates_ie(sdata, skb, false,
2775 local->oper_channel->band);
dfe018bf
AN		 2776 ieee80211_tdls_add_ext_capab(skb);
2777 break;
2778 default:
2779 return -EINVAL;
2780 }
2781
2782 return 0;
2783}
2784
2785static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2786 u8 *peer, u8 action_code, u8 dialog_token,
2787 u16 status_code, const u8 *extra_ies,
2788 size_t extra_ies_len)
2789{
2790 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2791 struct ieee80211_local *local = sdata->local;
2792 struct ieee80211_tx_info *info;
2793 struct sk_buff *skb = NULL;
2794 bool send_direct;
2795 int ret;
2796
2797 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2798 return -ENOTSUPP;
2799
2800 /* make sure we are in managed mode, and associated */
2801 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2802 !sdata->u.mgd.associated)
2803 return -EINVAL;
2804
bdcbd8e0
JB		 2805 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2806 action_code, peer);
dfe018bf
AN		 2807
2808 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2809 max(sizeof(struct ieee80211_mgmt),
2810 sizeof(struct ieee80211_tdls_data)) +
2811 50 + /* supported rates */
2812 7 + /* ext capab */
2813 extra_ies_len +
2814 sizeof(struct ieee80211_tdls_lnkie));
2815 if (!skb)
2816 return -ENOMEM;
2817
2818 info = IEEE80211_SKB_CB(skb);
2819 skb_reserve(skb, local->hw.extra_tx_headroom);
2820
2821 switch (action_code) {
2822 case WLAN_TDLS_SETUP_REQUEST:
2823 case WLAN_TDLS_SETUP_RESPONSE:
2824 case WLAN_TDLS_SETUP_CONFIRM:
2825 case WLAN_TDLS_TEARDOWN:
2826 case WLAN_TDLS_DISCOVERY_REQUEST:
2827 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2828 action_code, dialog_token,
2829 status_code, skb);
2830 send_direct = false;
2831 break;
2832 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2833 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2834 dialog_token, status_code,
2835 skb);
2836 send_direct = true;
2837 break;
2838 default:
2839 ret = -ENOTSUPP;
2840 break;
2841 }
2842
2843 if (ret < 0)
2844 goto fail;
2845
2846 if (extra_ies_len)
2847 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2848
2849 /* the TDLS link IE is always added last */
2850 switch (action_code) {
2851 case WLAN_TDLS_SETUP_REQUEST:
2852 case WLAN_TDLS_SETUP_CONFIRM:
2853 case WLAN_TDLS_TEARDOWN:
2854 case WLAN_TDLS_DISCOVERY_REQUEST:
2855 /* we are the initiator */
2856 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2857 sdata->u.mgd.bssid);
2858 break;
2859 case WLAN_TDLS_SETUP_RESPONSE:
2860 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2861 /* we are the responder */
2862 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2863 sdata->u.mgd.bssid);
2864 break;
2865 default:
2866 ret = -ENOTSUPP;
2867 goto fail;
2868 }
2869
2870 if (send_direct) {
2871 ieee80211_tx_skb(sdata, skb);
2872 return 0;
2873 }
2874
2875 /*
2876 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2877 * we should default to AC_VI.
2878 */
2879 switch (action_code) {
2880 case WLAN_TDLS_SETUP_REQUEST:
2881 case WLAN_TDLS_SETUP_RESPONSE:
2882 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2883 skb->priority = 2;
2884 break;
2885 default:
2886 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2887 skb->priority = 5;
2888 break;
2889 }
2890
2891 /* disable bottom halves when entering the Tx path */
2892 local_bh_disable();
2893 ret = ieee80211_subif_start_xmit(skb, dev);
2894 local_bh_enable();
2895
2896 return ret;
2897
2898fail:
2899 dev_kfree_skb(skb);
2900 return ret;
2901}
2902
2903static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2904 u8 *peer, enum nl80211_tdls_operation oper)
2905{
941c93cd 2906 struct sta_info *sta;
dfe018bf
AN		 2907 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2908
2909 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2910 return -ENOTSUPP;
2911
2912 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2913 return -EINVAL;
2914
bdcbd8e0 2915 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2916
2917 switch (oper) {
2918 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2919 rcu_read_lock();
2920 sta = sta_info_get(sdata, peer);
2921 if (!sta) {
2922 rcu_read_unlock();
2923 return -ENOLINK;
2924 }
2925
c2c98fde 2926 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2927 rcu_read_unlock();
dfe018bf
AN		 2928 break;
2929 case NL80211_TDLS_DISABLE_LINK:
2930 return sta_info_destroy_addr(sdata, peer);
2931 case NL80211_TDLS_TEARDOWN:
2932 case NL80211_TDLS_SETUP:
2933 case NL80211_TDLS_DISCOVERY_REQ:
2934 /* We don't support in-driver setup/teardown/discovery */
2935 return -ENOTSUPP;
2936 default:
2937 return -ENOTSUPP;
2938 }
2939
2940 return 0;
2941}
2942
06500736
JB		 2943static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2944 const u8 *peer, u64 *cookie)
2945{
2946 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2947 struct ieee80211_local *local = sdata->local;
2948 struct ieee80211_qos_hdr *nullfunc;
2949 struct sk_buff *skb;
2950 int size = sizeof(*nullfunc);
2951 __le16 fc;
2952 bool qos;
2953 struct ieee80211_tx_info *info;
2954 struct sta_info *sta;
2955
2956 rcu_read_lock();
2957 sta = sta_info_get(sdata, peer);
b4487c2d 2958 if (sta) {
06500736 2959 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2960 rcu_read_unlock();
2961 } else {
2962 rcu_read_unlock();
06500736 2963 return -ENOLINK;
b4487c2d 2964 }
06500736
JB		 2965
2966 if (qos) {
2967 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2968 IEEE80211_STYPE_QOS_NULLFUNC |
2969 IEEE80211_FCTL_FROMDS);
2970 } else {
2971 size -= 2;
2972 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2973 IEEE80211_STYPE_NULLFUNC |
2974 IEEE80211_FCTL_FROMDS);
2975 }
2976
2977 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2978 if (!skb)
2979 return -ENOMEM;
2980
2981 skb->dev = dev;
2982
2983 skb_reserve(skb, local->hw.extra_tx_headroom);
2984
2985 nullfunc = (void *) skb_put(skb, size);
2986 nullfunc->frame_control = fc;
2987 nullfunc->duration_id = 0;
2988 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2989 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2990 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2991 nullfunc->seq_ctrl = 0;
2992
2993 info = IEEE80211_SKB_CB(skb);
2994
2995 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2996 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2997
2998 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2999 skb->priority = 7;
3000 if (qos)
3001 nullfunc->qos_ctrl = cpu_to_le16(7);
3002
3003 local_bh_disable();
3004 ieee80211_xmit(sdata, skb);
3005 local_bh_enable();
3006
3007 *cookie = (unsigned long) skb;
3008 return 0;
3009}
3010
5b7ccaf3
JB		 3011static struct ieee80211_channel *
3012ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
3013 enum nl80211_channel_type *type)
3014{
3015 struct ieee80211_local *local = wiphy_priv(wiphy);
3016
3017 *type = local->_oper_channel_type;
3018 return local->oper_channel;
3019}
3020
6d52563f
JB		 3021#ifdef CONFIG_PM
3022static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3023{
3024 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3025}
3026#endif
3027
f0706e82
JB		 3028struct cfg80211_ops mac80211_config_ops = {
3029 .add_virtual_intf = ieee80211_add_iface,
3030 .del_virtual_intf = ieee80211_del_iface,
42613db7 3031 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB		 3032 .start_p2p_device = ieee80211_start_p2p_device,
3033 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB		 3034 .add_key = ieee80211_add_key,
3035 .del_key = ieee80211_del_key,
62da92fb 3036 .get_key = ieee80211_get_key,
e8cbb4cb 3037 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3038 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3039 .start_ap = ieee80211_start_ap,
3040 .change_beacon = ieee80211_change_beacon,
3041 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3042 .add_station = ieee80211_add_station,
3043 .del_station = ieee80211_del_station,
3044 .change_station = ieee80211_change_station,
7bbdd2d9 3045 .get_station = ieee80211_get_station,
c5dd9c2b 3046 .dump_station = ieee80211_dump_station,
1289723e 3047 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3048#ifdef CONFIG_MAC80211_MESH
3049 .add_mpath = ieee80211_add_mpath,
3050 .del_mpath = ieee80211_del_mpath,
3051 .change_mpath = ieee80211_change_mpath,
3052 .get_mpath = ieee80211_get_mpath,
3053 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3054 .update_mesh_config = ieee80211_update_mesh_config,
3055 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3056 .join_mesh = ieee80211_join_mesh,
3057 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3058#endif
9f1ba906 3059 .change_bss = ieee80211_change_bss,
31888487 3060 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3061 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3062 .suspend = ieee80211_suspend,
3063 .resume = ieee80211_resume,
2a519311 3064 .scan = ieee80211_scan,
79f460ca
LC		 3065 .sched_scan_start = ieee80211_sched_scan_start,
3066 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3067 .auth = ieee80211_auth,
3068 .assoc = ieee80211_assoc,
3069 .deauth = ieee80211_deauth,
3070 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3071 .join_ibss = ieee80211_join_ibss,
3072 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 3073 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3074 .set_tx_power = ieee80211_set_tx_power,
3075 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3076 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3077 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3078 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3079 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3080 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3081 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3082 .remain_on_channel = ieee80211_remain_on_channel,
3083 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3084 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3085 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3086 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3087 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3088 .set_antenna = ieee80211_set_antenna,
3089 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3090 .set_ringparam = ieee80211_set_ringparam,
3091 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3092 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3093 .tdls_oper = ieee80211_tdls_oper,
3094 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3095 .probe_client = ieee80211_probe_client,
b53be792 3096 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3097#ifdef CONFIG_PM
3098 .set_wakeup = ieee80211_set_wakeup,
3099#endif
b1ab7925
BG		 3100 .get_et_sset_count = ieee80211_get_et_sset_count,
3101 .get_et_stats = ieee80211_get_et_stats,
3102 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3103 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3104};
Linux kernel - Deliverables
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