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cfg80211: disallow setting channel on WDS interfaces
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
f9e10ce4
JB		 23static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
25 u32 *flags,
26 struct vif_params *params)
f0706e82
JB		 27{
28 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 29 struct net_device *dev;
30 struct ieee80211_sub_if_data *sdata;
31 int err;
f0706e82 32
05c914fe 33 err = ieee80211_if_add(local, name, &dev, type, params);
f9e10ce4
JB		 34 if (err)
35 return ERR_PTR(err);
8cc9a739 36
f9e10ce4
JB		 37 if (type == NL80211_IFTYPE_MONITOR && flags) {
38 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
39 sdata->u.mntr_flags = *flags;
40 }
41
42 return dev;
f0706e82
JB		 43}
44
463d0183 45static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 46{
463d0183 47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 48
75636525 49 return 0;
f0706e82
JB		 50}
51
e36d56b6
JB		 52static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
2ec600d6
LCC		 54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
42613db7 56{
9607e6b6 57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 58 int ret;
42613db7 59
05c914fe 60 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 61 if (ret)
62 return ret;
42613db7 63
9bc383de
JB		 64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
a9b3cd7f 66 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
70
85416a4f
CL		 71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
73
74 if (ieee80211_sdata_running(sdata)) {
75 /*
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
82 */
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
85 return -EBUSY;
86
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
90
91 ieee80211_configure_filter(local);
92 } else {
93 /*
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
97 */
98 sdata->u.mntr_flags = *flags;
99 }
100 }
f7917af9 101
42613db7
JB		 102 return 0;
103}
104
b53be792
SW		 105static int ieee80211_set_noack_map(struct wiphy *wiphy,
106 struct net_device *dev,
107 u16 noack_map)
108{
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 sdata->noack_map = noack_map;
112 return 0;
113}
114
e8cbb4cb 115static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 116 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 117 struct key_params *params)
118{
26a58456 119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 120 struct sta_info *sta = NULL;
db4d1169 121 struct ieee80211_key *key;
3b96766f 122 int err;
e8cbb4cb 123
26a58456 124 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 125 return -ENETDOWN;
126
97359d12 127 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 128 switch (params->cipher) {
129 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 130 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 131 case WLAN_CIPHER_SUITE_WEP104:
132 if (IS_ERR(sdata->local->wep_tx_tfm))
133 return -EINVAL;
3cfcf6ac 134 break;
e8cbb4cb 135 default:
97359d12 136 break;
e8cbb4cb
JB		 137 }
138
97359d12
JB		 139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
140 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 141 if (IS_ERR(key))
142 return PTR_ERR(key);
db4d1169 143
e31b8213
JB		 144 if (pairwise)
145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
146
ad0e2b5a 147 mutex_lock(&sdata->local->sta_mtx);
3b96766f 148
e8cbb4cb 149 if (mac_addr) {
ff973af7
TP		 150 if (ieee80211_vif_is_mesh(&sdata->vif))
151 sta = sta_info_get(sdata, mac_addr);
152 else
153 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 154 if (!sta) {
32162a4d 155 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 156 err = -ENOENT;
157 goto out_unlock;
db4d1169 158 }
e8cbb4cb
JB		 159 }
160
3ffc2a90
JB		 161 err = ieee80211_key_link(key, sdata, sta);
162 if (err)
163 ieee80211_key_free(sdata->local, key);
db4d1169 164
3b96766f 165 out_unlock:
ad0e2b5a 166 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 167
168 return err;
e8cbb4cb
JB		 169}
170
171static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 172 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 173{
5c0c3641
JB		 174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175 struct ieee80211_local *local = sdata->local;
e8cbb4cb 176 struct sta_info *sta;
5c0c3641 177 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 178 int ret;
179
5c0c3641
JB		 180 mutex_lock(&local->sta_mtx);
181 mutex_lock(&local->key_mtx);
3b96766f 182
e8cbb4cb 183 if (mac_addr) {
3b96766f
JB		 184 ret = -ENOENT;
185
0e5ded5a 186 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 187 if (!sta)
3b96766f 188 goto out_unlock;
e8cbb4cb 189
5c0c3641 190 if (pairwise)
40b275b6 191 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 192 else
40b275b6 193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 194 } else
40b275b6 195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 196
5c0c3641 197 if (!key) {
3b96766f
JB		 198 ret = -ENOENT;
199 goto out_unlock;
200 }
e8cbb4cb 201
5c0c3641 202 __ieee80211_key_free(key);
e8cbb4cb 203
3b96766f
JB		 204 ret = 0;
205 out_unlock:
5c0c3641
JB		 206 mutex_unlock(&local->key_mtx);
207 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 208
209 return ret;
e8cbb4cb
JB		 210}
211
62da92fb 212static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 213 u8 key_idx, bool pairwise, const u8 *mac_addr,
214 void *cookie,
62da92fb
JB		 215 void (*callback)(void *cookie,
216 struct key_params *params))
217{
14db74bc 218 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 219 struct sta_info *sta = NULL;
220 u8 seq[6] = {0};
221 struct key_params params;
e31b8213 222 struct ieee80211_key *key = NULL;
aba83a0b 223 u64 pn64;
62da92fb
JB		 224 u32 iv32;
225 u16 iv16;
226 int err = -ENOENT;
227
14db74bc
JB		 228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229
3b96766f
JB		 230 rcu_read_lock();
231
62da92fb 232 if (mac_addr) {
0e5ded5a 233 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 234 if (!sta)
235 goto out;
236
e31b8213 237 if (pairwise)
a3836e02 238 key = rcu_dereference(sta->ptk);
e31b8213 239 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 240 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 241 } else
a3836e02 242 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 243
244 if (!key)
245 goto out;
246
247 memset(&params, 0, sizeof(params));
248
97359d12 249 params.cipher = key->conf.cipher;
62da92fb 250
97359d12
JB		 251 switch (key->conf.cipher) {
252 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 253 iv32 = key->u.tkip.tx.iv32;
254 iv16 = key->u.tkip.tx.iv16;
62da92fb 255
24487981
JB		 256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
257 drv_get_tkip_seq(sdata->local,
258 key->conf.hw_key_idx,
259 &iv32, &iv16);
62da92fb
JB		 260
261 seq[0] = iv16 & 0xff;
262 seq[1] = (iv16 >> 8) & 0xff;
263 seq[2] = iv32 & 0xff;
264 seq[3] = (iv32 >> 8) & 0xff;
265 seq[4] = (iv32 >> 16) & 0xff;
266 seq[5] = (iv32 >> 24) & 0xff;
267 params.seq = seq;
268 params.seq_len = 6;
269 break;
97359d12 270 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
272 seq[0] = pn64;
273 seq[1] = pn64 >> 8;
274 seq[2] = pn64 >> 16;
275 seq[3] = pn64 >> 24;
276 seq[4] = pn64 >> 32;
277 seq[5] = pn64 >> 40;
62da92fb
JB		 278 params.seq = seq;
279 params.seq_len = 6;
280 break;
97359d12 281 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
283 seq[0] = pn64;
284 seq[1] = pn64 >> 8;
285 seq[2] = pn64 >> 16;
286 seq[3] = pn64 >> 24;
287 seq[4] = pn64 >> 32;
288 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 289 params.seq = seq;
290 params.seq_len = 6;
291 break;
62da92fb
JB		 292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
3b96766f 301 rcu_read_unlock();
62da92fb
JB		 302 return err;
303}
304
e8cbb4cb
JB		 305static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
dbd2fd65
JB		 307 u8 key_idx, bool uni,
308 bool multi)
e8cbb4cb 309{
ad0e2b5a 310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 311
f7e0104c 312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 313
314 return 0;
315}
316
3cfcf6ac
JM		 317static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
318 struct net_device *dev,
319 u8 key_idx)
320{
66c52421 321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 322
3cfcf6ac
JM		 323 ieee80211_set_default_mgmt_key(sdata, key_idx);
324
3cfcf6ac
JM		 325 return 0;
326}
327
3af6334c
FF		 328static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
329{
330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
331 struct ieee80211_supported_band *sband;
332 sband = sta->local->hw.wiphy->bands[
333 sta->local->hw.conf.channel->band];
334 rate->legacy = sband->bitrates[idx].bitrate;
335 } else
336 rate->mcs = idx;
337}
338
6b62bf32
TP		 339void sta_set_rate_info_tx(struct sta_info *sta,
340 const struct ieee80211_tx_rate *rate,
341 struct rate_info *rinfo)
342{
343 rinfo->flags = 0;
344 if (rate->flags & IEEE80211_TX_RC_MCS)
345 rinfo->flags |= RATE_INFO_FLAGS_MCS;
346 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
347 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
348 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
349 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
350 rate_idx_to_bitrate(rinfo, sta, rate->idx);
351}
352
c5dd9c2b
LCC		 353static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
354{
d0709a65 355 struct ieee80211_sub_if_data *sdata = sta->sdata;
ebe27c91 356 struct timespec uptime;
c5dd9c2b 357
f5ea9120
JB		 358 sinfo->generation = sdata->local->sta_generation;
359
c5dd9c2b
LCC		 360 sinfo->filled = STATION_INFO_INACTIVE_TIME |
361 STATION_INFO_RX_BYTES |
420e7fab 362 STATION_INFO_TX_BYTES |
98c8a60a
JM		 363 STATION_INFO_RX_PACKETS |
364 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 365 STATION_INFO_TX_RETRIES |
366 STATION_INFO_TX_FAILED |
5a5c731a 367 STATION_INFO_TX_BITRATE |
3af6334c 368 STATION_INFO_RX_BITRATE |
f4263c98 369 STATION_INFO_RX_DROP_MISC |
ebe27c91 370 STATION_INFO_BSS_PARAM |
7a724767 371 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 372 STATION_INFO_STA_FLAGS |
373 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 374
375 do_posix_clock_monotonic_gettime(&uptime);
376 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 377
378 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
379 sinfo->rx_bytes = sta->rx_bytes;
380 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 381 sinfo->rx_packets = sta->rx_packets;
382 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 383 sinfo->tx_retries = sta->tx_retry_count;
384 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 385 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 386 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 387
19deffbe
JL		 388 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
389 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 390 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 391 sinfo->signal = (s8)sta->last_signal;
541a45a1 392 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 393 }
394
6b62bf32 395 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 396
397 sinfo->rxrate.flags = 0;
398 if (sta->last_rx_rate_flag & RX_FLAG_HT)
399 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
400 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
401 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
402 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
403 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
404 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 405
902acc78 406 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 407#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 408 sinfo->filled |= STATION_INFO_LLID |
409 STATION_INFO_PLID |
410 STATION_INFO_PLINK_STATE;
411
412 sinfo->llid = le16_to_cpu(sta->llid);
413 sinfo->plid = le16_to_cpu(sta->plid);
414 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 415 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
416 sinfo->filled |= STATION_INFO_T_OFFSET;
417 sinfo->t_offset = sta->t_offset;
418 }
c5dd9c2b 419#endif
902acc78 420 }
f4263c98
PS		 421
422 sinfo->bss_param.flags = 0;
423 if (sdata->vif.bss_conf.use_cts_prot)
424 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
425 if (sdata->vif.bss_conf.use_short_preamble)
426 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
427 if (sdata->vif.bss_conf.use_short_slot)
428 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
429 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
430 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 431
432 sinfo->sta_flags.set = 0;
433 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
434 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
435 BIT(NL80211_STA_FLAG_WME) |
436 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 437 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
438 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 439 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
440 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
441 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
442 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
443 if (test_sta_flag(sta, WLAN_STA_WME))
444 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
445 if (test_sta_flag(sta, WLAN_STA_MFP))
446 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
447 if (test_sta_flag(sta, WLAN_STA_AUTH))
448 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 449 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
450 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 451}
452
b1ab7925
BG		 453static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
454 "rx_packets", "rx_bytes", "wep_weak_iv_count",
455 "rx_duplicates", "rx_fragments", "rx_dropped",
456 "tx_packets", "tx_bytes", "tx_fragments",
457 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 458 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
459 "channel", "noise", "ch_time", "ch_time_busy",
460 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 461};
462#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
463
464static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
465 struct net_device *dev,
466 int sset)
467{
e352114f
BG		 468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
469 int rv = 0;
470
b1ab7925 471 if (sset == ETH_SS_STATS)
e352114f
BG		 472 rv += STA_STATS_LEN;
473
474 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 475
e352114f
BG		 476 if (rv == 0)
477 return -EOPNOTSUPP;
478 return rv;
b1ab7925
BG		 479}
480
481static void ieee80211_get_et_stats(struct wiphy *wiphy,
482 struct net_device *dev,
483 struct ethtool_stats *stats,
484 u64 *data)
485{
486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
487 struct sta_info *sta;
488 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 489 struct station_info sinfo;
490 struct survey_info survey;
491 int i, q;
492#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 493
494 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
495
496#define ADD_STA_STATS(sta) \
497 do { \
498 data[i++] += sta->rx_packets; \
499 data[i++] += sta->rx_bytes; \
500 data[i++] += sta->wep_weak_iv_count; \
501 data[i++] += sta->num_duplicates; \
502 data[i++] += sta->rx_fragments; \
503 data[i++] += sta->rx_dropped; \
504 \
505 data[i++] += sta->tx_packets; \
506 data[i++] += sta->tx_bytes; \
507 data[i++] += sta->tx_fragments; \
508 data[i++] += sta->tx_filtered_count; \
509 data[i++] += sta->tx_retry_failed; \
510 data[i++] += sta->tx_retry_count; \
511 data[i++] += sta->beacon_loss_count; \
512 } while (0)
513
514 /* For Managed stations, find the single station based on BSSID
515 * and use that. For interface types, iterate through all available
516 * stations and add stats for any station that is assigned to this
517 * network device.
518 */
519
520 rcu_read_lock();
521
522 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
523 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 524
525 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
526 goto do_survey;
527
528 i = 0;
529 ADD_STA_STATS(sta);
530
531 data[i++] = sta->sta_state;
532
533 sinfo.filled = 0;
534 sta_set_sinfo(sta, &sinfo);
535
536 if (sinfo.filled | STATION_INFO_TX_BITRATE)
537 data[i] = 100000 *
538 cfg80211_calculate_bitrate(&sinfo.txrate);
539 i++;
540 if (sinfo.filled | STATION_INFO_RX_BITRATE)
541 data[i] = 100000 *
542 cfg80211_calculate_bitrate(&sinfo.rxrate);
543 i++;
544
545 if (sinfo.filled | STATION_INFO_SIGNAL_AVG)
546 data[i] = (u8)sinfo.signal_avg;
547 i++;
b1ab7925
BG		 548 } else {
549 list_for_each_entry_rcu(sta, &local->sta_list, list) {
550 /* Make sure this station belongs to the proper dev */
551 if (sta->sdata->dev != dev)
552 continue;
553
554 i = 0;
555 ADD_STA_STATS(sta);
b1ab7925
BG		 556 }
557 }
558
3073a7c2
BG		 559do_survey:
560 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
561 /* Get survey stats for current channel */
562 q = 0;
563 while (true) {
564 survey.filled = 0;
565 if (drv_get_survey(local, q, &survey) != 0) {
566 survey.filled = 0;
567 break;
568 }
569
570 if (survey.channel &&
571 (local->oper_channel->center_freq ==
572 survey.channel->center_freq))
573 break;
574 q++;
575 }
576
577 if (survey.filled)
578 data[i++] = survey.channel->center_freq;
579 else
580 data[i++] = 0;
581 if (survey.filled & SURVEY_INFO_NOISE_DBM)
582 data[i++] = (u8)survey.noise;
583 else
584 data[i++] = -1LL;
585 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
586 data[i++] = survey.channel_time;
587 else
588 data[i++] = -1LL;
589 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
590 data[i++] = survey.channel_time_busy;
591 else
592 data[i++] = -1LL;
593 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
594 data[i++] = survey.channel_time_ext_busy;
595 else
596 data[i++] = -1LL;
597 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
598 data[i++] = survey.channel_time_rx;
599 else
600 data[i++] = -1LL;
601 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
602 data[i++] = survey.channel_time_tx;
603 else
604 data[i++] = -1LL;
605
b1ab7925 606 rcu_read_unlock();
e352114f 607
3073a7c2
BG		 608 if (WARN_ON(i != STA_STATS_LEN))
609 return;
610
e352114f 611 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 612}
613
614static void ieee80211_get_et_strings(struct wiphy *wiphy,
615 struct net_device *dev,
616 u32 sset, u8 *data)
617{
e352114f
BG		 618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
619 int sz_sta_stats = 0;
620
b1ab7925 621 if (sset == ETH_SS_STATS) {
e352114f 622 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 623 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
624 }
e352114f 625 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 626}
c5dd9c2b
LCC		 627
628static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
629 int idx, u8 *mac, struct station_info *sinfo)
630{
3b53fde8 631 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 632 struct sta_info *sta;
d0709a65
JB		 633 int ret = -ENOENT;
634
635 rcu_read_lock();
c5dd9c2b 636
3b53fde8 637 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 638 if (sta) {
639 ret = 0;
17741cdc 640 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 641 sta_set_sinfo(sta, sinfo);
642 }
c5dd9c2b 643
d0709a65 644 rcu_read_unlock();
c5dd9c2b 645
d0709a65 646 return ret;
c5dd9c2b
LCC		 647}
648
1289723e
HS		 649static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
650 int idx, struct survey_info *survey)
651{
652 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
653
1289723e
HS		 654 return drv_get_survey(local, idx, survey);
655}
656
7bbdd2d9 657static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 658 u8 *mac, struct station_info *sinfo)
7bbdd2d9 659{
abe60632 660 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 661 struct sta_info *sta;
d0709a65 662 int ret = -ENOENT;
7bbdd2d9 663
d0709a65 664 rcu_read_lock();
7bbdd2d9 665
0e5ded5a 666 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 667 if (sta) {
668 ret = 0;
669 sta_set_sinfo(sta, sinfo);
670 }
671
672 rcu_read_unlock();
673
674 return ret;
7bbdd2d9
JB		 675}
676
3d9e6e12
JB		 677static int ieee80211_set_channel(struct wiphy *wiphy,
678 struct net_device *netdev,
679 struct ieee80211_channel *chan,
680 enum nl80211_channel_type channel_type)
681{
682 struct ieee80211_local *local = wiphy_priv(wiphy);
683 struct ieee80211_sub_if_data *sdata = NULL;
684
685 if (netdev)
686 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
687
688 switch (ieee80211_get_channel_mode(local, NULL)) {
689 case CHAN_MODE_HOPPING:
690 return -EBUSY;
691 case CHAN_MODE_FIXED:
692 if (local->oper_channel != chan)
693 return -EBUSY;
694 if (!sdata && local->_oper_channel_type == channel_type)
695 return 0;
696 break;
697 case CHAN_MODE_UNDEFINED:
698 break;
699 }
700
701 if (!ieee80211_set_channel_type(local, sdata, channel_type))
702 return -EBUSY;
703
704 local->oper_channel = chan;
705
706 /* auto-detects changes */
707 ieee80211_hw_config(local, 0);
708
709 return 0;
710}
711
02945821 712static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 713 const u8 *resp, size_t resp_len)
02945821
AN		 714{
715 struct sk_buff *new, *old;
716
717 if (!resp || !resp_len)
8860020e 718 return 1;
02945821 719
f724828b 720 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821
AN		 721
722 new = dev_alloc_skb(resp_len);
723 if (!new)
724 return -ENOMEM;
725
726 memcpy(skb_put(new, resp_len), resp, resp_len);
727
728 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
8860020e
JB		 729 if (old) {
730 /* TODO: use call_rcu() */
731 synchronize_rcu();
02945821 732 dev_kfree_skb(old);
8860020e 733 }
02945821
AN		 734
735 return 0;
736}
737
8860020e
JB		 738static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
739 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 740{
741 struct beacon_data *new, *old;
742 int new_head_len, new_tail_len;
8860020e
JB		 743 int size, err;
744 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 745
40b275b6 746 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 747
5dfdaf58
JB		 748 /* Need to have a beacon head if we don't have one yet */
749 if (!params->head && !old)
8860020e 750 return -EINVAL;
5dfdaf58
JB		 751
752 /* new or old head? */
753 if (params->head)
754 new_head_len = params->head_len;
755 else
756 new_head_len = old->head_len;
757
758 /* new or old tail? */
759 if (params->tail || !old)
760 /* params->tail_len will be zero for !params->tail */
761 new_tail_len = params->tail_len;
762 else
763 new_tail_len = old->tail_len;
764
765 size = sizeof(*new) + new_head_len + new_tail_len;
766
767 new = kzalloc(size, GFP_KERNEL);
768 if (!new)
769 return -ENOMEM;
770
771 /* start filling the new info now */
772
5dfdaf58
JB		 773 /*
774 * pointers go into the block we allocated,
775 * memory is | beacon_data | head | tail |
776 */
777 new->head = ((u8 *) new) + sizeof(*new);
778 new->tail = new->head + new_head_len;
779 new->head_len = new_head_len;
780 new->tail_len = new_tail_len;
781
782 /* copy in head */
783 if (params->head)
784 memcpy(new->head, params->head, new_head_len);
785 else
786 memcpy(new->head, old->head, new_head_len);
787
788 /* copy in optional tail */
789 if (params->tail)
790 memcpy(new->tail, params->tail, new_tail_len);
791 else
792 if (old)
793 memcpy(new->tail, old->tail, new_tail_len);
794
02945821
AN		 795 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
796 params->probe_resp_len);
8860020e
JB		 797 if (err < 0)
798 return err;
799 if (err == 0)
02945821
AN		 800 changed |= BSS_CHANGED_AP_PROBE_RESP;
801
8860020e
JB		 802 rcu_assign_pointer(sdata->u.ap.beacon, new);
803
804 if (old)
805 kfree_rcu(old, rcu_head);
7827493b 806
8860020e 807 return changed;
5dfdaf58
JB		 808}
809
8860020e
JB		 810static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
811 struct cfg80211_ap_settings *params)
5dfdaf58 812{
8860020e 813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 814 struct beacon_data *old;
665c93a9 815 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 816 u32 changed = BSS_CHANGED_BEACON_INT |
817 BSS_CHANGED_BEACON_ENABLED |
818 BSS_CHANGED_BEACON |
819 BSS_CHANGED_SSID;
820 int err;
14db74bc 821
40b275b6 822 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 823 if (old)
824 return -EALREADY;
825
aa430da4
JB		 826 err = ieee80211_set_channel(wiphy, dev, params->channel,
827 params->channel_type);
828 if (err)
829 return err;
830
665c93a9
JB		 831 /*
832 * Apply control port protocol, this allows us to
833 * not encrypt dynamic WEP control frames.
834 */
835 sdata->control_port_protocol = params->crypto.control_port_ethertype;
836 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
837 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
838 vlan->control_port_protocol =
839 params->crypto.control_port_ethertype;
840 vlan->control_port_no_encrypt =
841 params->crypto.control_port_no_encrypt;
842 }
843
8860020e
JB		 844 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
845 sdata->vif.bss_conf.dtim_period = params->dtim_period;
846
847 sdata->vif.bss_conf.ssid_len = params->ssid_len;
848 if (params->ssid_len)
849 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
850 params->ssid_len);
851 sdata->vif.bss_conf.hidden_ssid =
852 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
853
854 err = ieee80211_assign_beacon(sdata, &params->beacon);
855 if (err < 0)
856 return err;
857 changed |= err;
858
859 ieee80211_bss_info_change_notify(sdata, changed);
860
3edaf3e6
JB		 861 netif_carrier_on(dev);
862 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
863 netif_carrier_on(vlan->dev);
864
665c93a9 865 return 0;
5dfdaf58
JB		 866}
867
8860020e
JB		 868static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
869 struct cfg80211_beacon_data *params)
5dfdaf58 870{
14db74bc 871 struct ieee80211_sub_if_data *sdata;
5dfdaf58 872 struct beacon_data *old;
8860020e 873 int err;
5dfdaf58 874
14db74bc
JB		 875 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
876
40b275b6 877 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 878 if (!old)
879 return -ENOENT;
880
8860020e
JB		 881 err = ieee80211_assign_beacon(sdata, params);
882 if (err < 0)
883 return err;
884 ieee80211_bss_info_change_notify(sdata, err);
885 return 0;
5dfdaf58
JB		 886}
887
8860020e 888static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 889{
3edaf3e6 890 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 891 struct beacon_data *old;
892
14db74bc
JB		 893 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
894
40b275b6 895 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 896 if (!old)
897 return -ENOENT;
898
3edaf3e6
JB		 899 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
900 netif_carrier_off(vlan->dev);
901 netif_carrier_off(dev);
902
a9b3cd7f 903 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 904
905 kfree_rcu(old, rcu_head);
5dfdaf58 906
2d0ddec5 907 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 908
2d0ddec5 909 return 0;
5dfdaf58
JB		 910}
911
4fd6931e
JB		 912/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
913struct iapp_layer2_update {
914 u8 da[ETH_ALEN]; /* broadcast */
915 u8 sa[ETH_ALEN]; /* STA addr */
916 __be16 len; /* 6 */
917 u8 dsap; /* 0 */
918 u8 ssap; /* 0 */
919 u8 control;
920 u8 xid_info[3];
bc10502d 921} __packed;
4fd6931e
JB		 922
923static void ieee80211_send_layer2_update(struct sta_info *sta)
924{
925 struct iapp_layer2_update *msg;
926 struct sk_buff *skb;
927
928 /* Send Level 2 Update Frame to update forwarding tables in layer 2
929 * bridge devices */
930
931 skb = dev_alloc_skb(sizeof(*msg));
932 if (!skb)
933 return;
934 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
935
936 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
937 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
938
939 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 940 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 941 msg->len = htons(6);
942 msg->dsap = 0;
943 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
944 msg->control = 0xaf; /* XID response lsb.1111F101.
945 * F=0 (no poll command; unsolicited frame) */
946 msg->xid_info[0] = 0x81; /* XID format identifier */
947 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
948 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
949
d0709a65
JB		 950 skb->dev = sta->sdata->dev;
951 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 952 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 953 netif_rx_ni(skb);
4fd6931e
JB		 954}
955
d9a7ddb0
JB		 956static int sta_apply_parameters(struct ieee80211_local *local,
957 struct sta_info *sta,
958 struct station_parameters *params)
4fd6931e 959{
d9a7ddb0 960 int ret = 0;
4fd6931e
JB		 961 u32 rates;
962 int i, j;
8318d78a 963 struct ieee80211_supported_band *sband;
d0709a65 964 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 965 u32 mask, set;
4fd6931e 966
ae5eb026
JB		 967 sband = local->hw.wiphy->bands[local->oper_channel->band];
968
eccb8e8f
JB		 969 mask = params->sta_flags_mask;
970 set = params->sta_flags_set;
73651ee6 971
d9a7ddb0
JB		 972 /*
973 * In mesh mode, we can clear AUTHENTICATED flag but must
974 * also make ASSOCIATED follow appropriately for the driver
975 * API. See also below, after AUTHORIZED changes.
976 */
977 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
978 /* cfg80211 should not allow this in non-mesh modes */
979 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
980 return -EINVAL;
981
982 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
983 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 984 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 985 if (ret)
986 return ret;
83d5cc01 987 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 988 if (ret)
989 return ret;
990 }
991 }
992
eccb8e8f 993 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 994 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 995 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 996 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 997 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 998 if (ret)
999 return ret;
1000 }
1001
1002 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1003 /* cfg80211 should not allow this in non-mesh modes */
1004 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1005 return -EINVAL;
1006
1007 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1008 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1009 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1010 if (ret)
1011 return ret;
83d5cc01 1012 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1013 if (ret)
1014 return ret;
1015 }
eccb8e8f 1016 }
4fd6931e 1017
d9a7ddb0 1018
eccb8e8f 1019 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1020 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1021 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1022 else
1023 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1024 }
4fd6931e 1025
eccb8e8f 1026 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1027 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1028 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1029 sta->sta.wme = true;
c2c98fde
JB		 1030 } else {
1031 clear_sta_flag(sta, WLAN_STA_WME);
1032 sta->sta.wme = false;
39df600a 1033 }
eccb8e8f 1034 }
5394af4d 1035
eccb8e8f 1036 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1037 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1038 set_sta_flag(sta, WLAN_STA_MFP);
1039 else
1040 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1041 }
b39c48fa 1042
07ba55d7 1043 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1044 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1045 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1046 else
1047 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1048 }
4fd6931e 1049
3b9ce80c
JB		 1050 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1051 sta->sta.uapsd_queues = params->uapsd_queues;
1052 sta->sta.max_sp = params->max_sp;
1053 }
9533b4ac 1054
51b50fbe
JB		 1055 /*
1056 * cfg80211 validates this (1-2007) and allows setting the AID
1057 * only when creating a new station entry
1058 */
1059 if (params->aid)
1060 sta->sta.aid = params->aid;
1061
73651ee6
JB		 1062 /*
1063 * FIXME: updating the following information is racy when this
1064 * function is called from ieee80211_change_station().
1065 * However, all this information should be static so
1066 * maybe we should just reject attemps to change it.
1067 */
1068
4fd6931e
JB		 1069 if (params->listen_interval >= 0)
1070 sta->listen_interval = params->listen_interval;
1071
1072 if (params->supported_rates) {
1073 rates = 0;
8318d78a 1074
4fd6931e
JB		 1075 for (i = 0; i < params->supported_rates_len; i++) {
1076 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1077 for (j = 0; j < sband->n_bitrates; j++) {
1078 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1079 rates |= BIT(j);
1080 }
1081 }
323ce79a 1082 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1083 }
c5dd9c2b 1084
d9fe60de 1085 if (params->ht_capa)
ef96a842 1086 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1087 params->ht_capa,
d9fe60de 1088 &sta->sta.ht_cap);
36aedc90 1089
9c3990aa 1090 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1091#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1092 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1093 switch (params->plink_state) {
57cf8043
JC		 1094 case NL80211_PLINK_LISTEN:
1095 case NL80211_PLINK_ESTAB:
1096 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1097 sta->plink_state = params->plink_state;
1098 break;
1099 default:
1100 /* nothing */
1101 break;
1102 }
1103 else
1104 switch (params->plink_action) {
1105 case PLINK_ACTION_OPEN:
1106 mesh_plink_open(sta);
1107 break;
1108 case PLINK_ACTION_BLOCK:
1109 mesh_plink_block(sta);
1110 break;
1111 }
4daf50f2 1112#endif
902acc78 1113 }
d9a7ddb0
JB		 1114
1115 return 0;
4fd6931e
JB		 1116}
1117
1118static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1119 u8 *mac, struct station_parameters *params)
1120{
14db74bc 1121 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1122 struct sta_info *sta;
1123 struct ieee80211_sub_if_data *sdata;
73651ee6 1124 int err;
b8d476c8 1125 int layer2_update;
4fd6931e 1126
4fd6931e
JB		 1127 if (params->vlan) {
1128 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1129
05c914fe
JB		 1130 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1131 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1132 return -EINVAL;
1133 } else
1134 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135
b203ca39 1136 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1137 return -EINVAL;
1138
1139 if (is_multicast_ether_addr(mac))
1140 return -EINVAL;
1141
1142 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1143 if (!sta)
1144 return -ENOMEM;
4fd6931e 1145
83d5cc01
JB		 1146 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1147 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1148
d9a7ddb0
JB		 1149 err = sta_apply_parameters(local, sta, params);
1150 if (err) {
1151 sta_info_free(local, sta);
1152 return err;
1153 }
4fd6931e 1154
d64cf63e
AN		 1155 /*
1156 * for TDLS, rate control should be initialized only when supported
1157 * rates are known.
1158 */
1159 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1160 rate_control_rate_init(sta);
4fd6931e 1161
b8d476c8
JM		 1162 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1163 sdata->vif.type == NL80211_IFTYPE_AP;
1164
34e89507 1165 err = sta_info_insert_rcu(sta);
73651ee6 1166 if (err) {
73651ee6
JB		 1167 rcu_read_unlock();
1168 return err;
1169 }
1170
b8d476c8 1171 if (layer2_update)
73651ee6
JB		 1172 ieee80211_send_layer2_update(sta);
1173
1174 rcu_read_unlock();
1175
4fd6931e
JB		 1176 return 0;
1177}
1178
1179static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1180 u8 *mac)
1181{
14db74bc
JB		 1182 struct ieee80211_local *local = wiphy_priv(wiphy);
1183 struct ieee80211_sub_if_data *sdata;
4fd6931e 1184
14db74bc
JB		 1185 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1186
34e89507
JB		 1187 if (mac)
1188 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1189
34e89507 1190 sta_info_flush(local, sdata);
4fd6931e
JB		 1191 return 0;
1192}
1193
1194static int ieee80211_change_station(struct wiphy *wiphy,
1195 struct net_device *dev,
1196 u8 *mac,
1197 struct station_parameters *params)
1198{
abe60632 1199 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1200 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1201 struct sta_info *sta;
1202 struct ieee80211_sub_if_data *vlansdata;
35b88623 1203 int err;
4fd6931e 1204
87be1e1e 1205 mutex_lock(&local->sta_mtx);
98dd6a57 1206
0e5ded5a 1207 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1208 if (!sta) {
87be1e1e 1209 mutex_unlock(&local->sta_mtx);
4fd6931e 1210 return -ENOENT;
98dd6a57 1211 }
4fd6931e 1212
bdd90d5e
JB		 1213 /* in station mode, supported rates are only valid with TDLS */
1214 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1215 params->supported_rates &&
1216 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1217 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1218 return -EINVAL;
1219 }
1220
d0709a65 1221 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1222 bool prev_4addr = false;
1223 bool new_4addr = false;
1224
4fd6931e
JB		 1225 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1226
05c914fe
JB		 1227 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1228 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1229 mutex_unlock(&local->sta_mtx);
4fd6931e 1230 return -EINVAL;
98dd6a57 1231 }
4fd6931e 1232
9bc383de 1233 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1234 if (vlansdata->u.vlan.sta) {
87be1e1e 1235 mutex_unlock(&local->sta_mtx);
f14543ee 1236 return -EBUSY;
3305443c 1237 }
f14543ee 1238
cf778b00 1239 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1240 new_4addr = true;
1241 }
1242
1243 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1244 sta->sdata->u.vlan.sta) {
1245 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1246 prev_4addr = true;
f14543ee
FF		 1247 }
1248
14db74bc 1249 sta->sdata = vlansdata;
7e3ed02c
FF		 1250
1251 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1252 prev_4addr != new_4addr) {
1253 if (new_4addr)
1254 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1255 else
1256 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1257 }
1258
4fd6931e
JB		 1259 ieee80211_send_layer2_update(sta);
1260 }
1261
35b88623
EP		 1262 err = sta_apply_parameters(local, sta, params);
1263 if (err) {
1264 mutex_unlock(&local->sta_mtx);
1265 return err;
1266 }
4fd6931e 1267
d64cf63e
AN		 1268 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1269 rate_control_rate_init(sta);
1270
87be1e1e 1271 mutex_unlock(&local->sta_mtx);
98dd6a57 1272
808118cb
JY		 1273 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1274 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1275 ieee80211_recalc_ps(local, -1);
1276
4fd6931e
JB		 1277 return 0;
1278}
1279
c5dd9c2b
LCC		 1280#ifdef CONFIG_MAC80211_MESH
1281static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1282 u8 *dst, u8 *next_hop)
1283{
14db74bc 1284 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1285 struct mesh_path *mpath;
1286 struct sta_info *sta;
1287 int err;
1288
14db74bc
JB		 1289 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1290
d0709a65 1291 rcu_read_lock();
abe60632 1292 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1293 if (!sta) {
1294 rcu_read_unlock();
c5dd9c2b 1295 return -ENOENT;
d0709a65 1296 }
c5dd9c2b 1297
f698d856 1298 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1299 if (err) {
1300 rcu_read_unlock();
c5dd9c2b 1301 return err;
d0709a65 1302 }
c5dd9c2b 1303
f698d856 1304 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1305 if (!mpath) {
1306 rcu_read_unlock();
c5dd9c2b
LCC		 1307 return -ENXIO;
1308 }
1309 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1310
c5dd9c2b
LCC		 1311 rcu_read_unlock();
1312 return 0;
1313}
1314
1315static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1316 u8 *dst)
1317{
f698d856
JBG		 1318 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1319
c5dd9c2b 1320 if (dst)
f698d856 1321 return mesh_path_del(dst, sdata);
c5dd9c2b 1322
ece1a2e7 1323 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1324 return 0;
1325}
1326
1327static int ieee80211_change_mpath(struct wiphy *wiphy,
1328 struct net_device *dev,
1329 u8 *dst, u8 *next_hop)
1330{
14db74bc 1331 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1332 struct mesh_path *mpath;
1333 struct sta_info *sta;
1334
14db74bc
JB		 1335 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1336
d0709a65
JB		 1337 rcu_read_lock();
1338
abe60632 1339 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1340 if (!sta) {
1341 rcu_read_unlock();
c5dd9c2b 1342 return -ENOENT;
d0709a65 1343 }
c5dd9c2b 1344
f698d856 1345 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1346 if (!mpath) {
1347 rcu_read_unlock();
c5dd9c2b
LCC		 1348 return -ENOENT;
1349 }
1350
1351 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1352
c5dd9c2b
LCC		 1353 rcu_read_unlock();
1354 return 0;
1355}
1356
1357static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1358 struct mpath_info *pinfo)
1359{
a3836e02
JB		 1360 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1361
1362 if (next_hop_sta)
1363 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1364 else
1365 memset(next_hop, 0, ETH_ALEN);
1366
f5ea9120
JB		 1367 pinfo->generation = mesh_paths_generation;
1368
c5dd9c2b 1369 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1370 MPATH_INFO_SN |
c5dd9c2b
LCC		 1371 MPATH_INFO_METRIC |
1372 MPATH_INFO_EXPTIME |
1373 MPATH_INFO_DISCOVERY_TIMEOUT |
1374 MPATH_INFO_DISCOVERY_RETRIES |
1375 MPATH_INFO_FLAGS;
1376
1377 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1378 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1379 pinfo->metric = mpath->metric;
1380 if (time_before(jiffies, mpath->exp_time))
1381 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1382 pinfo->discovery_timeout =
1383 jiffies_to_msecs(mpath->discovery_timeout);
1384 pinfo->discovery_retries = mpath->discovery_retries;
1385 pinfo->flags = 0;
1386 if (mpath->flags & MESH_PATH_ACTIVE)
1387 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1388 if (mpath->flags & MESH_PATH_RESOLVING)
1389 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1390 if (mpath->flags & MESH_PATH_SN_VALID)
1391 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1392 if (mpath->flags & MESH_PATH_FIXED)
1393 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1394 if (mpath->flags & MESH_PATH_RESOLVING)
1395 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1396
1397 pinfo->flags = mpath->flags;
1398}
1399
1400static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1401 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1402
1403{
14db74bc 1404 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1405 struct mesh_path *mpath;
1406
14db74bc
JB		 1407 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408
c5dd9c2b 1409 rcu_read_lock();
f698d856 1410 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1411 if (!mpath) {
1412 rcu_read_unlock();
1413 return -ENOENT;
1414 }
1415 memcpy(dst, mpath->dst, ETH_ALEN);
1416 mpath_set_pinfo(mpath, next_hop, pinfo);
1417 rcu_read_unlock();
1418 return 0;
1419}
1420
1421static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1422 int idx, u8 *dst, u8 *next_hop,
1423 struct mpath_info *pinfo)
1424{
14db74bc 1425 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1426 struct mesh_path *mpath;
1427
14db74bc
JB		 1428 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1429
c5dd9c2b 1430 rcu_read_lock();
f698d856 1431 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1432 if (!mpath) {
1433 rcu_read_unlock();
1434 return -ENOENT;
1435 }
1436 memcpy(dst, mpath->dst, ETH_ALEN);
1437 mpath_set_pinfo(mpath, next_hop, pinfo);
1438 rcu_read_unlock();
1439 return 0;
1440}
93da9cc1 1441
24bdd9f4 1442static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1443 struct net_device *dev,
1444 struct mesh_config *conf)
1445{
1446 struct ieee80211_sub_if_data *sdata;
1447 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1448
93da9cc1 1449 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1450 return 0;
1451}
1452
1453static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1454{
1455 return (mask >> (parm-1)) & 0x1;
1456}
1457
c80d545d
JC		 1458static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1459 const struct mesh_setup *setup)
1460{
1461 u8 *new_ie;
1462 const u8 *old_ie;
4bb62344
CYY		 1463 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1464 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1465
581a8b0f 1466 /* allocate information elements */
c80d545d 1467 new_ie = NULL;
581a8b0f 1468 old_ie = ifmsh->ie;
c80d545d 1469
581a8b0f
JC		 1470 if (setup->ie_len) {
1471 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1472 GFP_KERNEL);
1473 if (!new_ie)
1474 return -ENOMEM;
1475 }
581a8b0f
JC		 1476 ifmsh->ie_len = setup->ie_len;
1477 ifmsh->ie = new_ie;
1478 kfree(old_ie);
c80d545d
JC		 1479
1480 /* now copy the rest of the setup parameters */
1481 ifmsh->mesh_id_len = setup->mesh_id_len;
1482 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1483 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1484 ifmsh->mesh_pp_id = setup->path_sel_proto;
1485 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1486 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1487 if (setup->is_authenticated)
1488 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1489 if (setup->is_secure)
1490 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1491
4bb62344
CYY		 1492 /* mcast rate setting in Mesh Node */
1493 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1494 sizeof(setup->mcast_rate));
1495
c80d545d
JC		 1496 return 0;
1497}
1498
24bdd9f4 1499static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1500 struct net_device *dev, u32 mask,
1501 const struct mesh_config *nconf)
93da9cc1 1502{
1503 struct mesh_config *conf;
1504 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1505 struct ieee80211_if_mesh *ifmsh;
1506
93da9cc1 1507 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1508 ifmsh = &sdata->u.mesh;
93da9cc1 1509
93da9cc1 1510 /* Set the config options which we are interested in setting */
1511 conf = &(sdata->u.mesh.mshcfg);
1512 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1513 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1514 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1515 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1516 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1517 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1518 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1519 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1520 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1521 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1522 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1523 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1524 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1525 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1526 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1527 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1528 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1529 conf->dot11MeshNbrOffsetMaxNeighbor =
1530 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1531 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1532 conf->dot11MeshHWMPmaxPREQretries =
1533 nconf->dot11MeshHWMPmaxPREQretries;
1534 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1535 conf->path_refresh_time = nconf->path_refresh_time;
1536 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1537 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1538 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1539 conf->dot11MeshHWMPactivePathTimeout =
1540 nconf->dot11MeshHWMPactivePathTimeout;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1542 conf->dot11MeshHWMPpreqMinInterval =
1543 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1544 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1545 conf->dot11MeshHWMPperrMinInterval =
1546 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1547 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1548 mask))
1549 conf->dot11MeshHWMPnetDiameterTraversalTime =
1550 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1551 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1552 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1553 ieee80211_mesh_root_setup(ifmsh);
1554 }
16dd7267 1555 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1556 /* our current gate announcement implementation rides on root
1557 * announcements, so require this ifmsh to also be a root node
1558 * */
1559 if (nconf->dot11MeshGateAnnouncementProtocol &&
1560 !conf->dot11MeshHWMPRootMode) {
1561 conf->dot11MeshHWMPRootMode = 1;
1562 ieee80211_mesh_root_setup(ifmsh);
1563 }
16dd7267
JC		 1564 conf->dot11MeshGateAnnouncementProtocol =
1565 nconf->dot11MeshGateAnnouncementProtocol;
1566 }
0507e159
JC		 1567 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1568 conf->dot11MeshHWMPRannInterval =
1569 nconf->dot11MeshHWMPRannInterval;
1570 }
94f90656
CYY		 1571 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1572 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1573 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1574 /* our RSSI threshold implementation is supported only for
1575 * devices that report signal in dBm.
1576 */
1577 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1578 return -ENOTSUPP;
1579 conf->rssi_threshold = nconf->rssi_threshold;
1580 }
70c33eaa
AN		 1581 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1582 conf->ht_opmode = nconf->ht_opmode;
1583 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1584 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1585 }
93da9cc1 1586 return 0;
1587}
1588
29cbe68c
JB		 1589static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1590 const struct mesh_config *conf,
1591 const struct mesh_setup *setup)
1592{
1593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1594 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1595 int err;
29cbe68c 1596
c80d545d
JC		 1597 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1598 err = copy_mesh_setup(ifmsh, setup);
1599 if (err)
1600 return err;
29cbe68c
JB		 1601 ieee80211_start_mesh(sdata);
1602
1603 return 0;
1604}
1605
1606static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1607{
1608 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1609
1610 ieee80211_stop_mesh(sdata);
1611
1612 return 0;
1613}
c5dd9c2b
LCC		 1614#endif
1615
9f1ba906
JM		 1616static int ieee80211_change_bss(struct wiphy *wiphy,
1617 struct net_device *dev,
1618 struct bss_parameters *params)
1619{
9f1ba906
JM		 1620 struct ieee80211_sub_if_data *sdata;
1621 u32 changed = 0;
1622
9f1ba906
JM		 1623 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1624
9f1ba906 1625 if (params->use_cts_prot >= 0) {
bda3933a 1626 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1627 changed |= BSS_CHANGED_ERP_CTS_PROT;
1628 }
1629 if (params->use_short_preamble >= 0) {
bda3933a 1630 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1631 params->use_short_preamble;
1632 changed |= BSS_CHANGED_ERP_PREAMBLE;
1633 }
43d35343
FF		 1634
1635 if (!sdata->vif.bss_conf.use_short_slot &&
1636 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1637 sdata->vif.bss_conf.use_short_slot = true;
1638 changed |= BSS_CHANGED_ERP_SLOT;
1639 }
1640
9f1ba906 1641 if (params->use_short_slot_time >= 0) {
bda3933a 1642 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1643 params->use_short_slot_time;
1644 changed |= BSS_CHANGED_ERP_SLOT;
1645 }
1646
90c97a04
JM		 1647 if (params->basic_rates) {
1648 int i, j;
1649 u32 rates = 0;
1650 struct ieee80211_local *local = wiphy_priv(wiphy);
1651 struct ieee80211_supported_band *sband =
1652 wiphy->bands[local->oper_channel->band];
1653
1654 for (i = 0; i < params->basic_rates_len; i++) {
1655 int rate = (params->basic_rates[i] & 0x7f) * 5;
1656 for (j = 0; j < sband->n_bitrates; j++) {
1657 if (sband->bitrates[j].bitrate == rate)
1658 rates |= BIT(j);
1659 }
1660 }
1661 sdata->vif.bss_conf.basic_rates = rates;
1662 changed |= BSS_CHANGED_BASIC_RATES;
1663 }
1664
7b7b5e56
FF		 1665 if (params->ap_isolate >= 0) {
1666 if (params->ap_isolate)
1667 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1668 else
1669 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1670 }
1671
80d7e403
HS		 1672 if (params->ht_opmode >= 0) {
1673 sdata->vif.bss_conf.ht_operation_mode =
1674 (u16) params->ht_opmode;
1675 changed |= BSS_CHANGED_HT;
1676 }
1677
9f1ba906
JM		 1678 ieee80211_bss_info_change_notify(sdata, changed);
1679
1680 return 0;
1681}
1682
31888487 1683static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1684 struct net_device *dev,
31888487
JM		 1685 struct ieee80211_txq_params *params)
1686{
1687 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1689 struct ieee80211_tx_queue_params p;
1690
1691 if (!local->ops->conf_tx)
1692 return -EOPNOTSUPP;
1693
54bcbc69
JB		 1694 if (local->hw.queues < IEEE80211_NUM_ACS)
1695 return -EOPNOTSUPP;
1696
31888487
JM		 1697 memset(&p, 0, sizeof(p));
1698 p.aifs = params->aifs;
1699 p.cw_max = params->cwmax;
1700 p.cw_min = params->cwmin;
1701 p.txop = params->txop;
ab13315a
KV		 1702
1703 /*
1704 * Setting tx queue params disables u-apsd because it's only
1705 * called in master mode.
1706 */
1707 p.uapsd = false;
1708
a3304b0a
JB		 1709 sdata->tx_conf[params->ac] = p;
1710 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1711 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1712 "failed to set TX queue parameters for AC %d\n",
1713 params->ac);
31888487
JM		 1714 return -EINVAL;
1715 }
1716
1717 return 0;
1718}
1719
665af4fc 1720#ifdef CONFIG_PM
ff1b6e69
JB		 1721static int ieee80211_suspend(struct wiphy *wiphy,
1722 struct cfg80211_wowlan *wowlan)
665af4fc 1723{
eecc4800 1724 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1725}
1726
1727static int ieee80211_resume(struct wiphy *wiphy)
1728{
1729 return __ieee80211_resume(wiphy_priv(wiphy));
1730}
1731#else
1732#define ieee80211_suspend NULL
1733#define ieee80211_resume NULL
1734#endif
1735
2a519311
JB		 1736static int ieee80211_scan(struct wiphy *wiphy,
1737 struct net_device *dev,
1738 struct cfg80211_scan_request *req)
1739{
2ca27bcf 1740 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1741
2ca27bcf
JB		 1742 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1743 case NL80211_IFTYPE_STATION:
1744 case NL80211_IFTYPE_ADHOC:
1745 case NL80211_IFTYPE_MESH_POINT:
1746 case NL80211_IFTYPE_P2P_CLIENT:
1747 break;
1748 case NL80211_IFTYPE_P2P_GO:
1749 if (sdata->local->ops->hw_scan)
1750 break;
e9d7732e
JB		 1751 /*
1752 * FIXME: implement NoA while scanning in software,
1753 * for now fall through to allow scanning only when
1754 * beaconing hasn't been configured yet
1755 */
2ca27bcf
JB		 1756 case NL80211_IFTYPE_AP:
1757 if (sdata->u.ap.beacon)
1758 return -EOPNOTSUPP;
1759 break;
1760 default:
1761 return -EOPNOTSUPP;
1762 }
2a519311
JB		 1763
1764 return ieee80211_request_scan(sdata, req);
1765}
1766
79f460ca
LC		 1767static int
1768ieee80211_sched_scan_start(struct wiphy *wiphy,
1769 struct net_device *dev,
1770 struct cfg80211_sched_scan_request *req)
1771{
1772 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1773
1774 if (!sdata->local->ops->sched_scan_start)
1775 return -EOPNOTSUPP;
1776
1777 return ieee80211_request_sched_scan_start(sdata, req);
1778}
1779
1780static int
85a9994a 1781ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1782{
1783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1784
1785 if (!sdata->local->ops->sched_scan_stop)
1786 return -EOPNOTSUPP;
1787
85a9994a 1788 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1789}
1790
636a5d36
JM		 1791static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1792 struct cfg80211_auth_request *req)
1793{
77fdaa12 1794 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1795}
1796
1797static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1798 struct cfg80211_assoc_request *req)
1799{
f444de05
JB		 1800 struct ieee80211_local *local = wiphy_priv(wiphy);
1801 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1802
1803 switch (ieee80211_get_channel_mode(local, sdata)) {
1804 case CHAN_MODE_HOPPING:
1805 return -EBUSY;
1806 case CHAN_MODE_FIXED:
1807 if (local->oper_channel == req->bss->channel)
1808 break;
1809 return -EBUSY;
1810 case CHAN_MODE_UNDEFINED:
1811 break;
1812 }
1813
77fdaa12 1814 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1815}
1816
1817static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1818 struct cfg80211_deauth_request *req)
636a5d36 1819{
63c9c5e7 1820 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1821}
1822
1823static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1824 struct cfg80211_disassoc_request *req)
636a5d36 1825{
63c9c5e7 1826 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1827}
1828
af8cdcd8
JB		 1829static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1830 struct cfg80211_ibss_params *params)
1831{
f444de05 1832 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1833 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1834
f444de05
JB		 1835 switch (ieee80211_get_channel_mode(local, sdata)) {
1836 case CHAN_MODE_HOPPING:
1837 return -EBUSY;
1838 case CHAN_MODE_FIXED:
1839 if (!params->channel_fixed)
1840 return -EBUSY;
1841 if (local->oper_channel == params->channel)
1842 break;
1843 return -EBUSY;
1844 case CHAN_MODE_UNDEFINED:
1845 break;
1846 }
1847
af8cdcd8
JB		 1848 return ieee80211_ibss_join(sdata, params);
1849}
1850
1851static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1852{
1853 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1854
1855 return ieee80211_ibss_leave(sdata);
1856}
1857
b9a5f8ca
JM		 1858static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1859{
1860 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1861 int err;
b9a5f8ca 1862
f23a4780
AN		 1863 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1864 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1865
1866 if (err)
1867 return err;
1868 }
1869
310bc676
LT		 1870 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1871 err = drv_set_coverage_class(local, wiphy->coverage_class);
1872
1873 if (err)
1874 return err;
1875 }
1876
b9a5f8ca 1877 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1878 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1879
24487981
JB		 1880 if (err)
1881 return err;
b9a5f8ca
JM		 1882 }
1883
1884 if (changed & WIPHY_PARAM_RETRY_SHORT)
1885 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1886 if (changed & WIPHY_PARAM_RETRY_LONG)
1887 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1888 if (changed &
1889 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1890 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1891
1892 return 0;
1893}
1894
7643a2c3 1895static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1896 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1897{
1898 struct ieee80211_local *local = wiphy_priv(wiphy);
1899 struct ieee80211_channel *chan = local->hw.conf.channel;
1900 u32 changes = 0;
7643a2c3
JB		 1901
1902 switch (type) {
fa61cf70 1903 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1904 local->user_power_level = -1;
1905 break;
fa61cf70
JO		 1906 case NL80211_TX_POWER_LIMITED:
1907 if (mbm < 0 || (mbm % 100))
1908 return -EOPNOTSUPP;
1909 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1910 break;
fa61cf70
JO		 1911 case NL80211_TX_POWER_FIXED:
1912 if (mbm < 0 || (mbm % 100))
1913 return -EOPNOTSUPP;
7643a2c3 1914 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1915 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1916 return -EINVAL;
fa61cf70 1917 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1918 break;
7643a2c3
JB		 1919 }
1920
1921 ieee80211_hw_config(local, changes);
1922
1923 return 0;
1924}
1925
1926static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1927{
1928 struct ieee80211_local *local = wiphy_priv(wiphy);
1929
1930 *dbm = local->hw.conf.power_level;
1931
7643a2c3
JB		 1932 return 0;
1933}
1934
ab737a4f 1935static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1936 const u8 *addr)
ab737a4f
JB		 1937{
1938 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1939
1940 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1941
1942 return 0;
1943}
1944
1f87f7d3
JB		 1945static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1946{
1947 struct ieee80211_local *local = wiphy_priv(wiphy);
1948
1949 drv_rfkill_poll(local);
1950}
1951
aff89a9b 1952#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1953static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1954{
1955 struct ieee80211_local *local = wiphy_priv(wiphy);
1956
1957 if (!local->ops->testmode_cmd)
1958 return -EOPNOTSUPP;
1959
1960 return local->ops->testmode_cmd(&local->hw, data, len);
1961}
71063f0e
WYG		 1962
1963static int ieee80211_testmode_dump(struct wiphy *wiphy,
1964 struct sk_buff *skb,
1965 struct netlink_callback *cb,
1966 void *data, int len)
1967{
1968 struct ieee80211_local *local = wiphy_priv(wiphy);
1969
1970 if (!local->ops->testmode_dump)
1971 return -EOPNOTSUPP;
1972
1973 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1974}
aff89a9b
JB		 1975#endif
1976
0f78231b
JB		 1977int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1978 enum ieee80211_smps_mode smps_mode)
1979{
1980 const u8 *ap;
1981 enum ieee80211_smps_mode old_req;
1982 int err;
1983
243e6df4
JB		 1984 lockdep_assert_held(&sdata->u.mgd.mtx);
1985
0f78231b
JB		 1986 old_req = sdata->u.mgd.req_smps;
1987 sdata->u.mgd.req_smps = smps_mode;
1988
1989 if (old_req == smps_mode &&
1990 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1991 return 0;
1992
1993 /*
1994 * If not associated, or current association is not an HT
1995 * association, there's no need to send an action frame.
1996 */
1997 if (!sdata->u.mgd.associated ||
0aaffa9b 1998 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1999 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 2000 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 2001 mutex_unlock(&sdata->local->iflist_mtx);
2002 return 0;
2003 }
2004
0c1ad2ca 2005 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2006
2007 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2008 if (sdata->u.mgd.powersave)
2009 smps_mode = IEEE80211_SMPS_DYNAMIC;
2010 else
2011 smps_mode = IEEE80211_SMPS_OFF;
2012 }
2013
2014 /* send SM PS frame to AP */
2015 err = ieee80211_send_smps_action(sdata, smps_mode,
2016 ap, ap);
2017 if (err)
2018 sdata->u.mgd.req_smps = old_req;
2019
2020 return err;
2021}
2022
bc92afd9
JB		 2023static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2024 bool enabled, int timeout)
2025{
2026 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2027 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2028
e5de30c9
BP		 2029 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2030 return -EOPNOTSUPP;
2031
bc92afd9
JB		 2032 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2033 return -EOPNOTSUPP;
2034
2035 if (enabled == sdata->u.mgd.powersave &&
ff616381 2036 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2037 return 0;
2038
2039 sdata->u.mgd.powersave = enabled;
ff616381 2040 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2041
0f78231b
JB		 2042 /* no change, but if automatic follow powersave */
2043 mutex_lock(&sdata->u.mgd.mtx);
2044 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2045 mutex_unlock(&sdata->u.mgd.mtx);
2046
bc92afd9
JB		 2047 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2048 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2049
2050 ieee80211_recalc_ps(local, -1);
2051
2052 return 0;
2053}
2054
a97c13c3
JO		 2055static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2056 struct net_device *dev,
2057 s32 rssi_thold, u32 rssi_hyst)
2058{
2059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2060 struct ieee80211_vif *vif = &sdata->vif;
2061 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2062
a97c13c3
JO		 2063 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2064 rssi_hyst == bss_conf->cqm_rssi_hyst)
2065 return 0;
2066
2067 bss_conf->cqm_rssi_thold = rssi_thold;
2068 bss_conf->cqm_rssi_hyst = rssi_hyst;
2069
2070 /* tell the driver upon association, unless already associated */
ea086359
JB		 2071 if (sdata->u.mgd.associated &&
2072 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2073 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2074
2075 return 0;
2076}
2077
9930380f
JB		 2078static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2079 struct net_device *dev,
2080 const u8 *addr,
2081 const struct cfg80211_bitrate_mask *mask)
2082{
2083 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2084 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2085 int i, ret;
2c7e6bc9 2086
bdbfd6b5
SM		 2087 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2088 ret = drv_set_bitrate_mask(local, sdata, mask);
2089 if (ret)
2090 return ret;
2091 }
9930380f 2092
19468413 2093 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2094 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2095 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2096 sizeof(mask->control[i].mcs));
2097 }
9930380f 2098
37eb0b16 2099 return 0;
9930380f
JB		 2100}
2101
21f83589
JB		 2102static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
2103 struct net_device *dev,
2104 struct ieee80211_channel *chan,
2105 enum nl80211_channel_type chantype,
2106 unsigned int duration, u64 *cookie)
2107{
2108 int ret;
2109 u32 random_cookie;
2110
2111 lockdep_assert_held(&local->mtx);
2112
2113 if (local->hw_roc_cookie)
2114 return -EBUSY;
2115 /* must be nonzero */
2116 random_cookie = random32() | 1;
2117
2118 *cookie = random_cookie;
2119 local->hw_roc_dev = dev;
2120 local->hw_roc_cookie = random_cookie;
2121 local->hw_roc_channel = chan;
2122 local->hw_roc_channel_type = chantype;
2123 local->hw_roc_duration = duration;
2124 ret = drv_remain_on_channel(local, chan, chantype, duration);
2125 if (ret) {
2126 local->hw_roc_channel = NULL;
2127 local->hw_roc_cookie = 0;
2128 }
2129
2130 return ret;
2131}
2132
b8bc4b0a
JB		 2133static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2134 struct net_device *dev,
2135 struct ieee80211_channel *chan,
2136 enum nl80211_channel_type channel_type,
2137 unsigned int duration,
2138 u64 *cookie)
2139{
2140 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 2141 struct ieee80211_local *local = sdata->local;
2142
2143 if (local->ops->remain_on_channel) {
2144 int ret;
2145
2146 mutex_lock(&local->mtx);
2147 ret = ieee80211_remain_on_channel_hw(local, dev,
2148 chan, channel_type,
2149 duration, cookie);
90fc4b3a 2150 local->hw_roc_for_tx = false;
21f83589
JB		 2151 mutex_unlock(&local->mtx);
2152
2153 return ret;
2154 }
b8bc4b0a
JB		 2155
2156 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
2157 duration, cookie);
2158}
2159
21f83589
JB		 2160static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
2161 u64 cookie)
2162{
2163 int ret;
2164
2165 lockdep_assert_held(&local->mtx);
2166
2167 if (local->hw_roc_cookie != cookie)
2168 return -ENOENT;
2169
2170 ret = drv_cancel_remain_on_channel(local);
2171 if (ret)
2172 return ret;
2173
2174 local->hw_roc_cookie = 0;
2175 local->hw_roc_channel = NULL;
2176
2177 ieee80211_recalc_idle(local);
2178
2179 return 0;
2180}
2181
b8bc4b0a
JB		 2182static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2183 struct net_device *dev,
2184 u64 cookie)
2185{
2186 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 2187 struct ieee80211_local *local = sdata->local;
2188
2189 if (local->ops->cancel_remain_on_channel) {
2190 int ret;
2191
2192 mutex_lock(&local->mtx);
2193 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2194 mutex_unlock(&local->mtx);
2195
2196 return ret;
2197 }
b8bc4b0a
JB		 2198
2199 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
2200}
2201
f30221e4
JB		 2202static enum work_done_result
2203ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
2204{
2205 /*
2206 * Use the data embedded in the work struct for reporting
2207 * here so if the driver mangled the SKB before dropping
2208 * it (which is the only way we really should get here)
2209 * then we don't report mangled data.
2210 *
2211 * If there was no wait time, then by the time we get here
2212 * the driver will likely not have reported the status yet,
2213 * so in that case userspace will have to deal with it.
2214 */
2215
28a1bcdb 2216 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
f30221e4
JB		 2217 cfg80211_mgmt_tx_status(wk->sdata->dev,
2218 (unsigned long) wk->offchan_tx.frame,
66e67e41 2219 wk->data, wk->data_len, false, GFP_KERNEL);
f30221e4
JB		 2220
2221 return WORK_DONE_DESTROY;
2222}
2223
2e161f78 2224static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 2225 struct ieee80211_channel *chan, bool offchan,
2e161f78 2226 enum nl80211_channel_type channel_type,
f7ca38df 2227 bool channel_type_valid, unsigned int wait,
e9f935e3 2228 const u8 *buf, size_t len, bool no_cck,
e247bd90 2229 bool dont_wait_for_ack, u64 *cookie)
026331c4 2230{
9d38d85d
JB		 2231 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2232 struct ieee80211_local *local = sdata->local;
2233 struct sk_buff *skb;
2234 struct sta_info *sta;
f30221e4 2235 struct ieee80211_work *wk;
9d38d85d 2236 const struct ieee80211_mgmt *mgmt = (void *)buf;
e247bd90 2237 u32 flags;
f30221e4 2238 bool is_offchan = false;
f7ca38df 2239
e247bd90
JB		 2240 if (dont_wait_for_ack)
2241 flags = IEEE80211_TX_CTL_NO_ACK;
2242 else
2243 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2244 IEEE80211_TX_CTL_REQ_TX_STATUS;
2245
9d38d85d
JB		 2246 /* Check that we are on the requested channel for transmission */
2247 if (chan != local->tmp_channel &&
2248 chan != local->oper_channel)
f30221e4 2249 is_offchan = true;
9d38d85d
JB		 2250 if (channel_type_valid &&
2251 (channel_type != local->tmp_channel_type &&
2252 channel_type != local->_oper_channel_type))
f30221e4
JB		 2253 is_offchan = true;
2254
21f83589
JB		 2255 if (chan == local->hw_roc_channel) {
2256 /* TODO: check channel type? */
2257 is_offchan = false;
2258 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2259 }
2260
aad14ceb
RM		 2261 if (no_cck)
2262 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2263
f30221e4 2264 if (is_offchan && !offchan)
9d38d85d
JB		 2265 return -EBUSY;
2266
2267 switch (sdata->vif.type) {
2268 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 2269 case NL80211_IFTYPE_AP:
2270 case NL80211_IFTYPE_AP_VLAN:
2271 case NL80211_IFTYPE_P2P_GO:
c7108a71 2272 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB		 2273 if (!ieee80211_is_action(mgmt->frame_control) ||
2274 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2275 break;
2276 rcu_read_lock();
2277 sta = sta_info_get(sdata, mgmt->da);
2278 rcu_read_unlock();
2279 if (!sta)
2280 return -ENOLINK;
2281 break;
2282 case NL80211_IFTYPE_STATION:
663fcafd 2283 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 2284 break;
2285 default:
2286 return -EOPNOTSUPP;
2287 }
2288
2289 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2290 if (!skb)
2291 return -ENOMEM;
2292 skb_reserve(skb, local->hw.extra_tx_headroom);
2293
2294 memcpy(skb_put(skb, len), buf, len);
2295
2296 IEEE80211_SKB_CB(skb)->flags = flags;
2297
c53f7e15
EP		 2298 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL &&
2299 flags & IEEE80211_TX_CTL_TX_OFFCHAN)
3a25a8c8
JB		 2300 IEEE80211_SKB_CB(skb)->hw_queue =
2301 local->hw.offchannel_tx_hw_queue;
2302
9d38d85d 2303 skb->dev = sdata->dev;
9d38d85d
JB		 2304
2305 *cookie = (unsigned long) skb;
f30221e4 2306
90fc4b3a
JB		 2307 if (is_offchan && local->ops->remain_on_channel) {
2308 unsigned int duration;
2309 int ret;
2310
2311 mutex_lock(&local->mtx);
2312 /*
2313 * If the duration is zero, then the driver
2314 * wouldn't actually do anything. Set it to
2315 * 100 for now.
2316 *
2317 * TODO: cancel the off-channel operation
2318 * when we get the SKB's TX status and
2319 * the wait time was zero before.
2320 */
2321 duration = 100;
2322 if (wait)
2323 duration = wait;
2324 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2325 channel_type,
2326 duration, cookie);
2327 if (ret) {
2328 kfree_skb(skb);
2329 mutex_unlock(&local->mtx);
2330 return ret;
2331 }
2332
2333 local->hw_roc_for_tx = true;
2334 local->hw_roc_duration = wait;
2335
2336 /*
2337 * queue up frame for transmission after
2338 * ieee80211_ready_on_channel call
2339 */
2340
2341 /* modify cookie to prevent API mismatches */
2342 *cookie ^= 2;
2343 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
c53f7e15
EP		 2344 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2345 IEEE80211_SKB_CB(skb)->hw_queue =
2346 local->hw.offchannel_tx_hw_queue;
90fc4b3a 2347 local->hw_roc_skb = skb;
4334ec85 2348 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB		 2349 mutex_unlock(&local->mtx);
2350
2351 return 0;
2352 }
2353
f30221e4
JB		 2354 /*
2355 * Can transmit right away if the channel was the
2356 * right one and there's no wait involved... If a
2357 * wait is involved, we might otherwise not be on
2358 * the right channel for long enough!
2359 */
2360 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2361 ieee80211_tx_skb(sdata, skb);
2362 return 0;
2363 }
2364
2365 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2366 if (!wk) {
2367 kfree_skb(skb);
2368 return -ENOMEM;
2369 }
2370
2371 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2372 wk->chan = chan;
4d51e149 2373 wk->chan_type = channel_type;
f30221e4
JB		 2374 wk->sdata = sdata;
2375 wk->done = ieee80211_offchan_tx_done;
2376 wk->offchan_tx.frame = skb;
2377 wk->offchan_tx.wait = wait;
66e67e41
JB		 2378 wk->data_len = len;
2379 memcpy(wk->data, buf, len);
f30221e4
JB		 2380
2381 ieee80211_add_work(wk);
9d38d85d 2382 return 0;
026331c4
JM		 2383}
2384
f30221e4
JB		 2385static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2386 struct net_device *dev,
2387 u64 cookie)
2388{
2389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2390 struct ieee80211_local *local = sdata->local;
2391 struct ieee80211_work *wk;
2392 int ret = -ENOENT;
2393
2394 mutex_lock(&local->mtx);
90fc4b3a
JB		 2395
2396 if (local->ops->cancel_remain_on_channel) {
2397 cookie ^= 2;
2398 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2399
2400 if (ret == 0) {
2401 kfree_skb(local->hw_roc_skb);
2402 local->hw_roc_skb = NULL;
4334ec85 2403 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB		 2404 }
2405
2406 mutex_unlock(&local->mtx);
2407
2408 return ret;
2409 }
2410
f30221e4
JB		 2411 list_for_each_entry(wk, &local->work_list, list) {
2412 if (wk->sdata != sdata)
2413 continue;
2414
2415 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2416 continue;
2417
2418 if (cookie != (unsigned long) wk->offchan_tx.frame)
2419 continue;
2420
2421 wk->timeout = jiffies;
2422
2423 ieee80211_queue_work(&local->hw, &local->work_work);
2424 ret = 0;
2425 break;
2426 }
2427 mutex_unlock(&local->mtx);
2428
2429 return ret;
2430}
2431
7be5086d
JB		 2432static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2433 struct net_device *dev,
2434 u16 frame_type, bool reg)
2435{
2436 struct ieee80211_local *local = wiphy_priv(wiphy);
2437
2438 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2439 return;
2440
2441 if (reg)
2442 local->probe_req_reg++;
2443 else
2444 local->probe_req_reg--;
2445
2446 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2447}
2448
15d96753
BR		 2449static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2450{
2451 struct ieee80211_local *local = wiphy_priv(wiphy);
2452
2453 if (local->started)
2454 return -EOPNOTSUPP;
2455
2456 return drv_set_antenna(local, tx_ant, rx_ant);
2457}
2458
2459static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2460{
2461 struct ieee80211_local *local = wiphy_priv(wiphy);
2462
2463 return drv_get_antenna(local, tx_ant, rx_ant);
2464}
2465
38c09159
JL		 2466static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2467{
2468 struct ieee80211_local *local = wiphy_priv(wiphy);
2469
2470 return drv_set_ringparam(local, tx, rx);
2471}
2472
2473static void ieee80211_get_ringparam(struct wiphy *wiphy,
2474 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2475{
2476 struct ieee80211_local *local = wiphy_priv(wiphy);
2477
2478 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2479}
2480
c68f4b89
JB		 2481static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2482 struct net_device *dev,
2483 struct cfg80211_gtk_rekey_data *data)
2484{
2485 struct ieee80211_local *local = wiphy_priv(wiphy);
2486 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2487
2488 if (!local->ops->set_rekey_data)
2489 return -EOPNOTSUPP;
2490
2491 drv_set_rekey_data(local, sdata, data);
2492
2493 return 0;
2494}
2495
dfe018bf
AN		 2496static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2497{
2498 u8 *pos = (void *)skb_put(skb, 7);
2499
2500 *pos++ = WLAN_EID_EXT_CAPABILITY;
2501 *pos++ = 5; /* len */
2502 *pos++ = 0x0;
2503 *pos++ = 0x0;
2504 *pos++ = 0x0;
2505 *pos++ = 0x0;
2506 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2507}
2508
2509static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2510{
2511 struct ieee80211_local *local = sdata->local;
2512 u16 capab;
2513
2514 capab = 0;
2515 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2516 return capab;
2517
2518 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2519 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2520 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2521 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2522
2523 return capab;
2524}
2525
2526static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2527 u8 *peer, u8 *bssid)
2528{
2529 struct ieee80211_tdls_lnkie *lnkid;
2530
2531 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2532
2533 lnkid->ie_type = WLAN_EID_LINK_ID;
2534 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2535
2536 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2537 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2538 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2539}
2540
2541static int
2542ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2543 u8 *peer, u8 action_code, u8 dialog_token,
2544 u16 status_code, struct sk_buff *skb)
2545{
2546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2547 struct ieee80211_tdls_data *tf;
2548
2549 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2550
2551 memcpy(tf->da, peer, ETH_ALEN);
2552 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2553 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2554 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2555
2556 switch (action_code) {
2557 case WLAN_TDLS_SETUP_REQUEST:
2558 tf->category = WLAN_CATEGORY_TDLS;
2559 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2560
2561 skb_put(skb, sizeof(tf->u.setup_req));
2562 tf->u.setup_req.dialog_token = dialog_token;
2563 tf->u.setup_req.capability =
2564 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2565
657c3e0c
AN		 2566 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2567 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2568 ieee80211_tdls_add_ext_capab(skb);
2569 break;
2570 case WLAN_TDLS_SETUP_RESPONSE:
2571 tf->category = WLAN_CATEGORY_TDLS;
2572 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2573
2574 skb_put(skb, sizeof(tf->u.setup_resp));
2575 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2576 tf->u.setup_resp.dialog_token = dialog_token;
2577 tf->u.setup_resp.capability =
2578 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2579
657c3e0c
AN		 2580 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2581 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2582 ieee80211_tdls_add_ext_capab(skb);
2583 break;
2584 case WLAN_TDLS_SETUP_CONFIRM:
2585 tf->category = WLAN_CATEGORY_TDLS;
2586 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2587
2588 skb_put(skb, sizeof(tf->u.setup_cfm));
2589 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2590 tf->u.setup_cfm.dialog_token = dialog_token;
2591 break;
2592 case WLAN_TDLS_TEARDOWN:
2593 tf->category = WLAN_CATEGORY_TDLS;
2594 tf->action_code = WLAN_TDLS_TEARDOWN;
2595
2596 skb_put(skb, sizeof(tf->u.teardown));
2597 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2598 break;
2599 case WLAN_TDLS_DISCOVERY_REQUEST:
2600 tf->category = WLAN_CATEGORY_TDLS;
2601 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2602
2603 skb_put(skb, sizeof(tf->u.discover_req));
2604 tf->u.discover_req.dialog_token = dialog_token;
2605 break;
2606 default:
2607 return -EINVAL;
2608 }
2609
2610 return 0;
2611}
2612
2613static int
2614ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2615 u8 *peer, u8 action_code, u8 dialog_token,
2616 u16 status_code, struct sk_buff *skb)
2617{
2618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2619 struct ieee80211_mgmt *mgmt;
2620
2621 mgmt = (void *)skb_put(skb, 24);
2622 memset(mgmt, 0, 24);
2623 memcpy(mgmt->da, peer, ETH_ALEN);
2624 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2625 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2626
2627 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2628 IEEE80211_STYPE_ACTION);
2629
2630 switch (action_code) {
2631 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2632 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2633 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2634 mgmt->u.action.u.tdls_discover_resp.action_code =
2635 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2636 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2637 dialog_token;
2638 mgmt->u.action.u.tdls_discover_resp.capability =
2639 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2640
657c3e0c
AN		 2641 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2642 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2643 ieee80211_tdls_add_ext_capab(skb);
2644 break;
2645 default:
2646 return -EINVAL;
2647 }
2648
2649 return 0;
2650}
2651
2652static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2653 u8 *peer, u8 action_code, u8 dialog_token,
2654 u16 status_code, const u8 *extra_ies,
2655 size_t extra_ies_len)
2656{
2657 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2658 struct ieee80211_local *local = sdata->local;
2659 struct ieee80211_tx_info *info;
2660 struct sk_buff *skb = NULL;
2661 bool send_direct;
2662 int ret;
2663
2664 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2665 return -ENOTSUPP;
2666
2667 /* make sure we are in managed mode, and associated */
2668 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2669 !sdata->u.mgd.associated)
2670 return -EINVAL;
2671
2672#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2673 pr_debug("TDLS mgmt action %d peer %pM\n", action_code, peer);
dfe018bf
AN		 2674#endif
2675
2676 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2677 max(sizeof(struct ieee80211_mgmt),
2678 sizeof(struct ieee80211_tdls_data)) +
2679 50 + /* supported rates */
2680 7 + /* ext capab */
2681 extra_ies_len +
2682 sizeof(struct ieee80211_tdls_lnkie));
2683 if (!skb)
2684 return -ENOMEM;
2685
2686 info = IEEE80211_SKB_CB(skb);
2687 skb_reserve(skb, local->hw.extra_tx_headroom);
2688
2689 switch (action_code) {
2690 case WLAN_TDLS_SETUP_REQUEST:
2691 case WLAN_TDLS_SETUP_RESPONSE:
2692 case WLAN_TDLS_SETUP_CONFIRM:
2693 case WLAN_TDLS_TEARDOWN:
2694 case WLAN_TDLS_DISCOVERY_REQUEST:
2695 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2696 action_code, dialog_token,
2697 status_code, skb);
2698 send_direct = false;
2699 break;
2700 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2701 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2702 dialog_token, status_code,
2703 skb);
2704 send_direct = true;
2705 break;
2706 default:
2707 ret = -ENOTSUPP;
2708 break;
2709 }
2710
2711 if (ret < 0)
2712 goto fail;
2713
2714 if (extra_ies_len)
2715 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2716
2717 /* the TDLS link IE is always added last */
2718 switch (action_code) {
2719 case WLAN_TDLS_SETUP_REQUEST:
2720 case WLAN_TDLS_SETUP_CONFIRM:
2721 case WLAN_TDLS_TEARDOWN:
2722 case WLAN_TDLS_DISCOVERY_REQUEST:
2723 /* we are the initiator */
2724 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2725 sdata->u.mgd.bssid);
2726 break;
2727 case WLAN_TDLS_SETUP_RESPONSE:
2728 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2729 /* we are the responder */
2730 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2731 sdata->u.mgd.bssid);
2732 break;
2733 default:
2734 ret = -ENOTSUPP;
2735 goto fail;
2736 }
2737
2738 if (send_direct) {
2739 ieee80211_tx_skb(sdata, skb);
2740 return 0;
2741 }
2742
2743 /*
2744 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2745 * we should default to AC_VI.
2746 */
2747 switch (action_code) {
2748 case WLAN_TDLS_SETUP_REQUEST:
2749 case WLAN_TDLS_SETUP_RESPONSE:
2750 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2751 skb->priority = 2;
2752 break;
2753 default:
2754 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2755 skb->priority = 5;
2756 break;
2757 }
2758
2759 /* disable bottom halves when entering the Tx path */
2760 local_bh_disable();
2761 ret = ieee80211_subif_start_xmit(skb, dev);
2762 local_bh_enable();
2763
2764 return ret;
2765
2766fail:
2767 dev_kfree_skb(skb);
2768 return ret;
2769}
2770
2771static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2772 u8 *peer, enum nl80211_tdls_operation oper)
2773{
941c93cd 2774 struct sta_info *sta;
dfe018bf
AN		 2775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2776
2777 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2778 return -ENOTSUPP;
2779
2780 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2781 return -EINVAL;
2782
2783#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2784 pr_debug("TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2785#endif
2786
2787 switch (oper) {
2788 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2789 rcu_read_lock();
2790 sta = sta_info_get(sdata, peer);
2791 if (!sta) {
2792 rcu_read_unlock();
2793 return -ENOLINK;
2794 }
2795
c2c98fde 2796 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2797 rcu_read_unlock();
dfe018bf
AN		 2798 break;
2799 case NL80211_TDLS_DISABLE_LINK:
2800 return sta_info_destroy_addr(sdata, peer);
2801 case NL80211_TDLS_TEARDOWN:
2802 case NL80211_TDLS_SETUP:
2803 case NL80211_TDLS_DISCOVERY_REQ:
2804 /* We don't support in-driver setup/teardown/discovery */
2805 return -ENOTSUPP;
2806 default:
2807 return -ENOTSUPP;
2808 }
2809
2810 return 0;
2811}
2812
06500736
JB		 2813static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2814 const u8 *peer, u64 *cookie)
2815{
2816 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2817 struct ieee80211_local *local = sdata->local;
2818 struct ieee80211_qos_hdr *nullfunc;
2819 struct sk_buff *skb;
2820 int size = sizeof(*nullfunc);
2821 __le16 fc;
2822 bool qos;
2823 struct ieee80211_tx_info *info;
2824 struct sta_info *sta;
2825
2826 rcu_read_lock();
2827 sta = sta_info_get(sdata, peer);
b4487c2d 2828 if (sta) {
06500736 2829 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2830 rcu_read_unlock();
2831 } else {
2832 rcu_read_unlock();
06500736 2833 return -ENOLINK;
b4487c2d 2834 }
06500736
JB		 2835
2836 if (qos) {
2837 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2838 IEEE80211_STYPE_QOS_NULLFUNC |
2839 IEEE80211_FCTL_FROMDS);
2840 } else {
2841 size -= 2;
2842 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2843 IEEE80211_STYPE_NULLFUNC |
2844 IEEE80211_FCTL_FROMDS);
2845 }
2846
2847 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2848 if (!skb)
2849 return -ENOMEM;
2850
2851 skb->dev = dev;
2852
2853 skb_reserve(skb, local->hw.extra_tx_headroom);
2854
2855 nullfunc = (void *) skb_put(skb, size);
2856 nullfunc->frame_control = fc;
2857 nullfunc->duration_id = 0;
2858 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2859 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2860 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2861 nullfunc->seq_ctrl = 0;
2862
2863 info = IEEE80211_SKB_CB(skb);
2864
2865 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2866 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2867
2868 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2869 skb->priority = 7;
2870 if (qos)
2871 nullfunc->qos_ctrl = cpu_to_le16(7);
2872
2873 local_bh_disable();
2874 ieee80211_xmit(sdata, skb);
2875 local_bh_enable();
2876
2877 *cookie = (unsigned long) skb;
2878 return 0;
2879}
2880
e999882a 2881static struct ieee80211_channel *
d91df0e3
PF		 2882ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2883 enum nl80211_channel_type *type)
e999882a
JB		 2884{
2885 struct ieee80211_local *local = wiphy_priv(wiphy);
2886
d91df0e3 2887 *type = local->_oper_channel_type;
e999882a
JB		 2888 return local->oper_channel;
2889}
2890
6d52563f
JB		 2891#ifdef CONFIG_PM
2892static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2893{
2894 drv_set_wakeup(wiphy_priv(wiphy), enabled);
2895}
2896#endif
2897
f0706e82
JB		 2898struct cfg80211_ops mac80211_config_ops = {
2899 .add_virtual_intf = ieee80211_add_iface,
2900 .del_virtual_intf = ieee80211_del_iface,
42613db7 2901 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2902 .add_key = ieee80211_add_key,
2903 .del_key = ieee80211_del_key,
62da92fb 2904 .get_key = ieee80211_get_key,
e8cbb4cb 2905 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2906 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 2907 .start_ap = ieee80211_start_ap,
2908 .change_beacon = ieee80211_change_beacon,
2909 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 2910 .add_station = ieee80211_add_station,
2911 .del_station = ieee80211_del_station,
2912 .change_station = ieee80211_change_station,
7bbdd2d9 2913 .get_station = ieee80211_get_station,
c5dd9c2b 2914 .dump_station = ieee80211_dump_station,
1289723e 2915 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2916#ifdef CONFIG_MAC80211_MESH
2917 .add_mpath = ieee80211_add_mpath,
2918 .del_mpath = ieee80211_del_mpath,
2919 .change_mpath = ieee80211_change_mpath,
2920 .get_mpath = ieee80211_get_mpath,
2921 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2922 .update_mesh_config = ieee80211_update_mesh_config,
2923 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2924 .join_mesh = ieee80211_join_mesh,
2925 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2926#endif
9f1ba906 2927 .change_bss = ieee80211_change_bss,
31888487 2928 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2929 .set_channel = ieee80211_set_channel,
665af4fc
BC		 2930 .suspend = ieee80211_suspend,
2931 .resume = ieee80211_resume,
2a519311 2932 .scan = ieee80211_scan,
79f460ca
LC		 2933 .sched_scan_start = ieee80211_sched_scan_start,
2934 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 2935 .auth = ieee80211_auth,
2936 .assoc = ieee80211_assoc,
2937 .deauth = ieee80211_deauth,
2938 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 2939 .join_ibss = ieee80211_join_ibss,
2940 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2941 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 2942 .set_tx_power = ieee80211_set_tx_power,
2943 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2944 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2945 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2946 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 2947 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 2948 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2949 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 2950 .remain_on_channel = ieee80211_remain_on_channel,
2951 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2952 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2953 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2954 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2955 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 2956 .set_antenna = ieee80211_set_antenna,
2957 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 2958 .set_ringparam = ieee80211_set_ringparam,
2959 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 2960 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 2961 .tdls_oper = ieee80211_tdls_oper,
2962 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 2963 .probe_client = ieee80211_probe_client,
e999882a 2964 .get_channel = ieee80211_wiphy_get_channel,
b53be792 2965 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 2966#ifdef CONFIG_PM
2967 .set_wakeup = ieee80211_set_wakeup,
2968#endif
b1ab7925
BG		 2969 .get_et_sset_count = ieee80211_get_et_sset_count,
2970 .get_et_stats = ieee80211_get_et_stats,
2971 .get_et_strings = ieee80211_get_et_strings,
f0706e82 2972};
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