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cfg80211: simplify cfg80211_can_beacon_sec_chan API
[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
665c93a9
JB		 826 /*
827 * Apply control port protocol, this allows us to
828 * not encrypt dynamic WEP control frames.
829 */
830 sdata->control_port_protocol = params->crypto.control_port_ethertype;
831 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
832 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
833 vlan->control_port_protocol =
834 params->crypto.control_port_ethertype;
835 vlan->control_port_no_encrypt =
836 params->crypto.control_port_no_encrypt;
837 }
838
8860020e
JB		 839 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
840 sdata->vif.bss_conf.dtim_period = params->dtim_period;
841
842 sdata->vif.bss_conf.ssid_len = params->ssid_len;
843 if (params->ssid_len)
844 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
845 params->ssid_len);
846 sdata->vif.bss_conf.hidden_ssid =
847 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
848
849 err = ieee80211_assign_beacon(sdata, &params->beacon);
850 if (err < 0)
851 return err;
852 changed |= err;
853
854 ieee80211_bss_info_change_notify(sdata, changed);
855
3edaf3e6
JB		 856 netif_carrier_on(dev);
857 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
858 netif_carrier_on(vlan->dev);
859
665c93a9 860 return 0;
5dfdaf58
JB		 861}
862
8860020e
JB		 863static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
864 struct cfg80211_beacon_data *params)
5dfdaf58 865{
14db74bc 866 struct ieee80211_sub_if_data *sdata;
5dfdaf58 867 struct beacon_data *old;
8860020e 868 int err;
5dfdaf58 869
14db74bc
JB		 870 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
871
40b275b6 872 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 873 if (!old)
874 return -ENOENT;
875
8860020e
JB		 876 err = ieee80211_assign_beacon(sdata, params);
877 if (err < 0)
878 return err;
879 ieee80211_bss_info_change_notify(sdata, err);
880 return 0;
5dfdaf58
JB		 881}
882
8860020e 883static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 884{
3edaf3e6 885 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 886 struct beacon_data *old;
887
14db74bc
JB		 888 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889
40b275b6 890 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 891 if (!old)
892 return -ENOENT;
893
3edaf3e6
JB		 894 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
895 netif_carrier_off(vlan->dev);
896 netif_carrier_off(dev);
897
a9b3cd7f 898 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 899
900 kfree_rcu(old, rcu_head);
5dfdaf58 901
2d0ddec5 902 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 903
2d0ddec5 904 return 0;
5dfdaf58
JB		 905}
906
4fd6931e
JB		 907/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
908struct iapp_layer2_update {
909 u8 da[ETH_ALEN]; /* broadcast */
910 u8 sa[ETH_ALEN]; /* STA addr */
911 __be16 len; /* 6 */
912 u8 dsap; /* 0 */
913 u8 ssap; /* 0 */
914 u8 control;
915 u8 xid_info[3];
bc10502d 916} __packed;
4fd6931e
JB		 917
918static void ieee80211_send_layer2_update(struct sta_info *sta)
919{
920 struct iapp_layer2_update *msg;
921 struct sk_buff *skb;
922
923 /* Send Level 2 Update Frame to update forwarding tables in layer 2
924 * bridge devices */
925
926 skb = dev_alloc_skb(sizeof(*msg));
927 if (!skb)
928 return;
929 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
930
931 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
932 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
933
934 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 935 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 936 msg->len = htons(6);
937 msg->dsap = 0;
938 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
939 msg->control = 0xaf; /* XID response lsb.1111F101.
940 * F=0 (no poll command; unsolicited frame) */
941 msg->xid_info[0] = 0x81; /* XID format identifier */
942 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
943 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
944
d0709a65
JB		 945 skb->dev = sta->sdata->dev;
946 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 947 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 948 netif_rx_ni(skb);
4fd6931e
JB		 949}
950
d9a7ddb0
JB		 951static int sta_apply_parameters(struct ieee80211_local *local,
952 struct sta_info *sta,
953 struct station_parameters *params)
4fd6931e 954{
d9a7ddb0 955 int ret = 0;
4fd6931e
JB		 956 u32 rates;
957 int i, j;
8318d78a 958 struct ieee80211_supported_band *sband;
d0709a65 959 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 960 u32 mask, set;
4fd6931e 961
ae5eb026
JB		 962 sband = local->hw.wiphy->bands[local->oper_channel->band];
963
eccb8e8f
JB		 964 mask = params->sta_flags_mask;
965 set = params->sta_flags_set;
73651ee6 966
d9a7ddb0
JB		 967 /*
968 * In mesh mode, we can clear AUTHENTICATED flag but must
969 * also make ASSOCIATED follow appropriately for the driver
970 * API. See also below, after AUTHORIZED changes.
971 */
972 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
973 /* cfg80211 should not allow this in non-mesh modes */
974 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
975 return -EINVAL;
976
977 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
978 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 979 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 980 if (ret)
981 return ret;
83d5cc01 982 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 983 if (ret)
984 return ret;
985 }
986 }
987
eccb8e8f 988 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 989 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 990 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 991 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 992 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 993 if (ret)
994 return ret;
995 }
996
997 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
998 /* cfg80211 should not allow this in non-mesh modes */
999 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1000 return -EINVAL;
1001
1002 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1003 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1004 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1005 if (ret)
1006 return ret;
83d5cc01 1007 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1008 if (ret)
1009 return ret;
1010 }
eccb8e8f 1011 }
4fd6931e 1012
d9a7ddb0 1013
eccb8e8f 1014 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1015 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1016 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1017 else
1018 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1019 }
4fd6931e 1020
eccb8e8f 1021 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1022 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1023 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1024 sta->sta.wme = true;
c2c98fde
JB		 1025 } else {
1026 clear_sta_flag(sta, WLAN_STA_WME);
1027 sta->sta.wme = false;
39df600a 1028 }
eccb8e8f 1029 }
5394af4d 1030
eccb8e8f 1031 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1032 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1033 set_sta_flag(sta, WLAN_STA_MFP);
1034 else
1035 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1036 }
b39c48fa 1037
07ba55d7 1038 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1039 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1040 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1041 else
1042 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1043 }
4fd6931e 1044
3b9ce80c
JB		 1045 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1046 sta->sta.uapsd_queues = params->uapsd_queues;
1047 sta->sta.max_sp = params->max_sp;
1048 }
9533b4ac 1049
51b50fbe
JB		 1050 /*
1051 * cfg80211 validates this (1-2007) and allows setting the AID
1052 * only when creating a new station entry
1053 */
1054 if (params->aid)
1055 sta->sta.aid = params->aid;
1056
73651ee6
JB		 1057 /*
1058 * FIXME: updating the following information is racy when this
1059 * function is called from ieee80211_change_station().
1060 * However, all this information should be static so
1061 * maybe we should just reject attemps to change it.
1062 */
1063
4fd6931e
JB		 1064 if (params->listen_interval >= 0)
1065 sta->listen_interval = params->listen_interval;
1066
1067 if (params->supported_rates) {
1068 rates = 0;
8318d78a 1069
4fd6931e
JB		 1070 for (i = 0; i < params->supported_rates_len; i++) {
1071 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1072 for (j = 0; j < sband->n_bitrates; j++) {
1073 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1074 rates |= BIT(j);
1075 }
1076 }
323ce79a 1077 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1078 }
c5dd9c2b 1079
d9fe60de 1080 if (params->ht_capa)
ef96a842 1081 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1082 params->ht_capa,
d9fe60de 1083 &sta->sta.ht_cap);
36aedc90 1084
9c3990aa 1085 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1086#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1087 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1088 switch (params->plink_state) {
57cf8043
JC		 1089 case NL80211_PLINK_LISTEN:
1090 case NL80211_PLINK_ESTAB:
1091 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1092 sta->plink_state = params->plink_state;
1093 break;
1094 default:
1095 /* nothing */
1096 break;
1097 }
1098 else
1099 switch (params->plink_action) {
1100 case PLINK_ACTION_OPEN:
1101 mesh_plink_open(sta);
1102 break;
1103 case PLINK_ACTION_BLOCK:
1104 mesh_plink_block(sta);
1105 break;
1106 }
4daf50f2 1107#endif
902acc78 1108 }
d9a7ddb0
JB		 1109
1110 return 0;
4fd6931e
JB		 1111}
1112
1113static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1114 u8 *mac, struct station_parameters *params)
1115{
14db74bc 1116 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1117 struct sta_info *sta;
1118 struct ieee80211_sub_if_data *sdata;
73651ee6 1119 int err;
b8d476c8 1120 int layer2_update;
4fd6931e 1121
4fd6931e
JB		 1122 if (params->vlan) {
1123 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1124
05c914fe
JB		 1125 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1126 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1127 return -EINVAL;
1128 } else
1129 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1130
b203ca39 1131 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1132 return -EINVAL;
1133
1134 if (is_multicast_ether_addr(mac))
1135 return -EINVAL;
1136
1137 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1138 if (!sta)
1139 return -ENOMEM;
4fd6931e 1140
83d5cc01
JB		 1141 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1142 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1143
d9a7ddb0
JB		 1144 err = sta_apply_parameters(local, sta, params);
1145 if (err) {
1146 sta_info_free(local, sta);
1147 return err;
1148 }
4fd6931e 1149
d64cf63e
AN		 1150 /*
1151 * for TDLS, rate control should be initialized only when supported
1152 * rates are known.
1153 */
1154 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1155 rate_control_rate_init(sta);
4fd6931e 1156
b8d476c8
JM		 1157 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1158 sdata->vif.type == NL80211_IFTYPE_AP;
1159
34e89507 1160 err = sta_info_insert_rcu(sta);
73651ee6 1161 if (err) {
73651ee6
JB		 1162 rcu_read_unlock();
1163 return err;
1164 }
1165
b8d476c8 1166 if (layer2_update)
73651ee6
JB		 1167 ieee80211_send_layer2_update(sta);
1168
1169 rcu_read_unlock();
1170
4fd6931e
JB		 1171 return 0;
1172}
1173
1174static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1175 u8 *mac)
1176{
14db74bc
JB		 1177 struct ieee80211_local *local = wiphy_priv(wiphy);
1178 struct ieee80211_sub_if_data *sdata;
4fd6931e 1179
14db74bc
JB		 1180 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1181
34e89507
JB		 1182 if (mac)
1183 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1184
34e89507 1185 sta_info_flush(local, sdata);
4fd6931e
JB		 1186 return 0;
1187}
1188
1189static int ieee80211_change_station(struct wiphy *wiphy,
1190 struct net_device *dev,
1191 u8 *mac,
1192 struct station_parameters *params)
1193{
abe60632 1194 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1195 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1196 struct sta_info *sta;
1197 struct ieee80211_sub_if_data *vlansdata;
35b88623 1198 int err;
4fd6931e 1199
87be1e1e 1200 mutex_lock(&local->sta_mtx);
98dd6a57 1201
0e5ded5a 1202 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1203 if (!sta) {
87be1e1e 1204 mutex_unlock(&local->sta_mtx);
4fd6931e 1205 return -ENOENT;
98dd6a57 1206 }
4fd6931e 1207
bdd90d5e
JB		 1208 /* in station mode, supported rates are only valid with TDLS */
1209 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1210 params->supported_rates &&
1211 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1212 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1213 return -EINVAL;
1214 }
1215
d0709a65 1216 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1217 bool prev_4addr = false;
1218 bool new_4addr = false;
1219
4fd6931e
JB		 1220 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1221
05c914fe
JB		 1222 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1223 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1224 mutex_unlock(&local->sta_mtx);
4fd6931e 1225 return -EINVAL;
98dd6a57 1226 }
4fd6931e 1227
9bc383de 1228 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1229 if (vlansdata->u.vlan.sta) {
87be1e1e 1230 mutex_unlock(&local->sta_mtx);
f14543ee 1231 return -EBUSY;
3305443c 1232 }
f14543ee 1233
cf778b00 1234 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1235 new_4addr = true;
1236 }
1237
1238 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1239 sta->sdata->u.vlan.sta) {
1240 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1241 prev_4addr = true;
f14543ee
FF		 1242 }
1243
14db74bc 1244 sta->sdata = vlansdata;
7e3ed02c
FF		 1245
1246 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1247 prev_4addr != new_4addr) {
1248 if (new_4addr)
1249 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1250 else
1251 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1252 }
1253
4fd6931e
JB		 1254 ieee80211_send_layer2_update(sta);
1255 }
1256
35b88623
EP		 1257 err = sta_apply_parameters(local, sta, params);
1258 if (err) {
1259 mutex_unlock(&local->sta_mtx);
1260 return err;
1261 }
4fd6931e 1262
d64cf63e
AN		 1263 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1264 rate_control_rate_init(sta);
1265
87be1e1e 1266 mutex_unlock(&local->sta_mtx);
98dd6a57 1267
808118cb
JY		 1268 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1269 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1270 ieee80211_recalc_ps(local, -1);
1271
4fd6931e
JB		 1272 return 0;
1273}
1274
c5dd9c2b
LCC		 1275#ifdef CONFIG_MAC80211_MESH
1276static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1277 u8 *dst, u8 *next_hop)
1278{
14db74bc 1279 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1280 struct mesh_path *mpath;
1281 struct sta_info *sta;
1282 int err;
1283
14db74bc
JB		 1284 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1285
d0709a65 1286 rcu_read_lock();
abe60632 1287 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1288 if (!sta) {
1289 rcu_read_unlock();
c5dd9c2b 1290 return -ENOENT;
d0709a65 1291 }
c5dd9c2b 1292
f698d856 1293 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1294 if (err) {
1295 rcu_read_unlock();
c5dd9c2b 1296 return err;
d0709a65 1297 }
c5dd9c2b 1298
f698d856 1299 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1300 if (!mpath) {
1301 rcu_read_unlock();
c5dd9c2b
LCC		 1302 return -ENXIO;
1303 }
1304 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1305
c5dd9c2b
LCC		 1306 rcu_read_unlock();
1307 return 0;
1308}
1309
1310static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1311 u8 *dst)
1312{
f698d856
JBG		 1313 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1314
c5dd9c2b 1315 if (dst)
f698d856 1316 return mesh_path_del(dst, sdata);
c5dd9c2b 1317
ece1a2e7 1318 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1319 return 0;
1320}
1321
1322static int ieee80211_change_mpath(struct wiphy *wiphy,
1323 struct net_device *dev,
1324 u8 *dst, u8 *next_hop)
1325{
14db74bc 1326 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1327 struct mesh_path *mpath;
1328 struct sta_info *sta;
1329
14db74bc
JB		 1330 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1331
d0709a65
JB		 1332 rcu_read_lock();
1333
abe60632 1334 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1335 if (!sta) {
1336 rcu_read_unlock();
c5dd9c2b 1337 return -ENOENT;
d0709a65 1338 }
c5dd9c2b 1339
f698d856 1340 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1341 if (!mpath) {
1342 rcu_read_unlock();
c5dd9c2b
LCC		 1343 return -ENOENT;
1344 }
1345
1346 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1347
c5dd9c2b
LCC		 1348 rcu_read_unlock();
1349 return 0;
1350}
1351
1352static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1353 struct mpath_info *pinfo)
1354{
a3836e02
JB		 1355 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1356
1357 if (next_hop_sta)
1358 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1359 else
1360 memset(next_hop, 0, ETH_ALEN);
1361
f5ea9120
JB		 1362 pinfo->generation = mesh_paths_generation;
1363
c5dd9c2b 1364 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1365 MPATH_INFO_SN |
c5dd9c2b
LCC		 1366 MPATH_INFO_METRIC |
1367 MPATH_INFO_EXPTIME |
1368 MPATH_INFO_DISCOVERY_TIMEOUT |
1369 MPATH_INFO_DISCOVERY_RETRIES |
1370 MPATH_INFO_FLAGS;
1371
1372 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1373 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1374 pinfo->metric = mpath->metric;
1375 if (time_before(jiffies, mpath->exp_time))
1376 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1377 pinfo->discovery_timeout =
1378 jiffies_to_msecs(mpath->discovery_timeout);
1379 pinfo->discovery_retries = mpath->discovery_retries;
1380 pinfo->flags = 0;
1381 if (mpath->flags & MESH_PATH_ACTIVE)
1382 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1383 if (mpath->flags & MESH_PATH_RESOLVING)
1384 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1385 if (mpath->flags & MESH_PATH_SN_VALID)
1386 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1387 if (mpath->flags & MESH_PATH_FIXED)
1388 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1389 if (mpath->flags & MESH_PATH_RESOLVING)
1390 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1391
1392 pinfo->flags = mpath->flags;
1393}
1394
1395static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1396 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1397
1398{
14db74bc 1399 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1400 struct mesh_path *mpath;
1401
14db74bc
JB		 1402 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1403
c5dd9c2b 1404 rcu_read_lock();
f698d856 1405 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1406 if (!mpath) {
1407 rcu_read_unlock();
1408 return -ENOENT;
1409 }
1410 memcpy(dst, mpath->dst, ETH_ALEN);
1411 mpath_set_pinfo(mpath, next_hop, pinfo);
1412 rcu_read_unlock();
1413 return 0;
1414}
1415
1416static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1417 int idx, u8 *dst, u8 *next_hop,
1418 struct mpath_info *pinfo)
1419{
14db74bc 1420 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1421 struct mesh_path *mpath;
1422
14db74bc
JB		 1423 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1424
c5dd9c2b 1425 rcu_read_lock();
f698d856 1426 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1427 if (!mpath) {
1428 rcu_read_unlock();
1429 return -ENOENT;
1430 }
1431 memcpy(dst, mpath->dst, ETH_ALEN);
1432 mpath_set_pinfo(mpath, next_hop, pinfo);
1433 rcu_read_unlock();
1434 return 0;
1435}
93da9cc1 1436
24bdd9f4 1437static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1438 struct net_device *dev,
1439 struct mesh_config *conf)
1440{
1441 struct ieee80211_sub_if_data *sdata;
1442 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1443
93da9cc1 1444 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1445 return 0;
1446}
1447
1448static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1449{
1450 return (mask >> (parm-1)) & 0x1;
1451}
1452
c80d545d
JC		 1453static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1454 const struct mesh_setup *setup)
1455{
1456 u8 *new_ie;
1457 const u8 *old_ie;
4bb62344
CYY		 1458 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1459 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1460
581a8b0f 1461 /* allocate information elements */
c80d545d 1462 new_ie = NULL;
581a8b0f 1463 old_ie = ifmsh->ie;
c80d545d 1464
581a8b0f
JC		 1465 if (setup->ie_len) {
1466 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1467 GFP_KERNEL);
1468 if (!new_ie)
1469 return -ENOMEM;
1470 }
581a8b0f
JC		 1471 ifmsh->ie_len = setup->ie_len;
1472 ifmsh->ie = new_ie;
1473 kfree(old_ie);
c80d545d
JC		 1474
1475 /* now copy the rest of the setup parameters */
1476 ifmsh->mesh_id_len = setup->mesh_id_len;
1477 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1478 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1479 ifmsh->mesh_pp_id = setup->path_sel_proto;
1480 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1481 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1482 if (setup->is_authenticated)
1483 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1484 if (setup->is_secure)
1485 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1486
4bb62344
CYY		 1487 /* mcast rate setting in Mesh Node */
1488 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1489 sizeof(setup->mcast_rate));
1490
c80d545d
JC		 1491 return 0;
1492}
1493
24bdd9f4 1494static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1495 struct net_device *dev, u32 mask,
1496 const struct mesh_config *nconf)
93da9cc1 1497{
1498 struct mesh_config *conf;
1499 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1500 struct ieee80211_if_mesh *ifmsh;
1501
93da9cc1 1502 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1503 ifmsh = &sdata->u.mesh;
93da9cc1 1504
93da9cc1 1505 /* Set the config options which we are interested in setting */
1506 conf = &(sdata->u.mesh.mshcfg);
1507 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1508 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1509 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1510 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1511 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1512 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1513 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1514 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1515 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1516 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1517 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1518 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1519 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1520 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1521 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1522 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1523 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1524 conf->dot11MeshNbrOffsetMaxNeighbor =
1525 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1526 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1527 conf->dot11MeshHWMPmaxPREQretries =
1528 nconf->dot11MeshHWMPmaxPREQretries;
1529 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1530 conf->path_refresh_time = nconf->path_refresh_time;
1531 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1532 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1533 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1534 conf->dot11MeshHWMPactivePathTimeout =
1535 nconf->dot11MeshHWMPactivePathTimeout;
1536 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1537 conf->dot11MeshHWMPpreqMinInterval =
1538 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1539 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1540 conf->dot11MeshHWMPperrMinInterval =
1541 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1542 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1543 mask))
1544 conf->dot11MeshHWMPnetDiameterTraversalTime =
1545 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1546 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1547 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1548 ieee80211_mesh_root_setup(ifmsh);
1549 }
16dd7267 1550 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1551 /* our current gate announcement implementation rides on root
1552 * announcements, so require this ifmsh to also be a root node
1553 * */
1554 if (nconf->dot11MeshGateAnnouncementProtocol &&
1555 !conf->dot11MeshHWMPRootMode) {
1556 conf->dot11MeshHWMPRootMode = 1;
1557 ieee80211_mesh_root_setup(ifmsh);
1558 }
16dd7267
JC		 1559 conf->dot11MeshGateAnnouncementProtocol =
1560 nconf->dot11MeshGateAnnouncementProtocol;
1561 }
0507e159
JC		 1562 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1563 conf->dot11MeshHWMPRannInterval =
1564 nconf->dot11MeshHWMPRannInterval;
1565 }
94f90656
CYY		 1566 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1567 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1568 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1569 /* our RSSI threshold implementation is supported only for
1570 * devices that report signal in dBm.
1571 */
1572 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1573 return -ENOTSUPP;
1574 conf->rssi_threshold = nconf->rssi_threshold;
1575 }
70c33eaa
AN		 1576 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1577 conf->ht_opmode = nconf->ht_opmode;
1578 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1579 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1580 }
93da9cc1 1581 return 0;
1582}
1583
29cbe68c
JB		 1584static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1585 const struct mesh_config *conf,
1586 const struct mesh_setup *setup)
1587{
1588 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1589 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1590 int err;
29cbe68c 1591
c80d545d
JC		 1592 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1593 err = copy_mesh_setup(ifmsh, setup);
1594 if (err)
1595 return err;
29cbe68c
JB		 1596 ieee80211_start_mesh(sdata);
1597
1598 return 0;
1599}
1600
1601static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1602{
1603 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1604
1605 ieee80211_stop_mesh(sdata);
1606
1607 return 0;
1608}
c5dd9c2b
LCC		 1609#endif
1610
9f1ba906
JM		 1611static int ieee80211_change_bss(struct wiphy *wiphy,
1612 struct net_device *dev,
1613 struct bss_parameters *params)
1614{
9f1ba906
JM		 1615 struct ieee80211_sub_if_data *sdata;
1616 u32 changed = 0;
1617
9f1ba906
JM		 1618 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1619
9f1ba906 1620 if (params->use_cts_prot >= 0) {
bda3933a 1621 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1622 changed |= BSS_CHANGED_ERP_CTS_PROT;
1623 }
1624 if (params->use_short_preamble >= 0) {
bda3933a 1625 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1626 params->use_short_preamble;
1627 changed |= BSS_CHANGED_ERP_PREAMBLE;
1628 }
43d35343
FF		 1629
1630 if (!sdata->vif.bss_conf.use_short_slot &&
1631 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1632 sdata->vif.bss_conf.use_short_slot = true;
1633 changed |= BSS_CHANGED_ERP_SLOT;
1634 }
1635
9f1ba906 1636 if (params->use_short_slot_time >= 0) {
bda3933a 1637 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1638 params->use_short_slot_time;
1639 changed |= BSS_CHANGED_ERP_SLOT;
1640 }
1641
90c97a04
JM		 1642 if (params->basic_rates) {
1643 int i, j;
1644 u32 rates = 0;
1645 struct ieee80211_local *local = wiphy_priv(wiphy);
1646 struct ieee80211_supported_band *sband =
1647 wiphy->bands[local->oper_channel->band];
1648
1649 for (i = 0; i < params->basic_rates_len; i++) {
1650 int rate = (params->basic_rates[i] & 0x7f) * 5;
1651 for (j = 0; j < sband->n_bitrates; j++) {
1652 if (sband->bitrates[j].bitrate == rate)
1653 rates |= BIT(j);
1654 }
1655 }
1656 sdata->vif.bss_conf.basic_rates = rates;
1657 changed |= BSS_CHANGED_BASIC_RATES;
1658 }
1659
7b7b5e56
FF		 1660 if (params->ap_isolate >= 0) {
1661 if (params->ap_isolate)
1662 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1663 else
1664 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1665 }
1666
80d7e403
HS		 1667 if (params->ht_opmode >= 0) {
1668 sdata->vif.bss_conf.ht_operation_mode =
1669 (u16) params->ht_opmode;
1670 changed |= BSS_CHANGED_HT;
1671 }
1672
9f1ba906
JM		 1673 ieee80211_bss_info_change_notify(sdata, changed);
1674
1675 return 0;
1676}
1677
31888487 1678static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1679 struct net_device *dev,
31888487
JM		 1680 struct ieee80211_txq_params *params)
1681{
1682 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1683 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1684 struct ieee80211_tx_queue_params p;
1685
1686 if (!local->ops->conf_tx)
1687 return -EOPNOTSUPP;
1688
54bcbc69
JB		 1689 if (local->hw.queues < IEEE80211_NUM_ACS)
1690 return -EOPNOTSUPP;
1691
31888487
JM		 1692 memset(&p, 0, sizeof(p));
1693 p.aifs = params->aifs;
1694 p.cw_max = params->cwmax;
1695 p.cw_min = params->cwmin;
1696 p.txop = params->txop;
ab13315a
KV		 1697
1698 /*
1699 * Setting tx queue params disables u-apsd because it's only
1700 * called in master mode.
1701 */
1702 p.uapsd = false;
1703
a3304b0a
JB		 1704 sdata->tx_conf[params->ac] = p;
1705 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1706 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1707 "failed to set TX queue parameters for AC %d\n",
1708 params->ac);
31888487
JM		 1709 return -EINVAL;
1710 }
1711
1712 return 0;
1713}
1714
665af4fc 1715#ifdef CONFIG_PM
ff1b6e69
JB		 1716static int ieee80211_suspend(struct wiphy *wiphy,
1717 struct cfg80211_wowlan *wowlan)
665af4fc 1718{
eecc4800 1719 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1720}
1721
1722static int ieee80211_resume(struct wiphy *wiphy)
1723{
1724 return __ieee80211_resume(wiphy_priv(wiphy));
1725}
1726#else
1727#define ieee80211_suspend NULL
1728#define ieee80211_resume NULL
1729#endif
1730
2a519311
JB		 1731static int ieee80211_scan(struct wiphy *wiphy,
1732 struct net_device *dev,
1733 struct cfg80211_scan_request *req)
1734{
2ca27bcf 1735 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1736
2ca27bcf
JB		 1737 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1738 case NL80211_IFTYPE_STATION:
1739 case NL80211_IFTYPE_ADHOC:
1740 case NL80211_IFTYPE_MESH_POINT:
1741 case NL80211_IFTYPE_P2P_CLIENT:
1742 break;
1743 case NL80211_IFTYPE_P2P_GO:
1744 if (sdata->local->ops->hw_scan)
1745 break;
e9d7732e
JB		 1746 /*
1747 * FIXME: implement NoA while scanning in software,
1748 * for now fall through to allow scanning only when
1749 * beaconing hasn't been configured yet
1750 */
2ca27bcf
JB		 1751 case NL80211_IFTYPE_AP:
1752 if (sdata->u.ap.beacon)
1753 return -EOPNOTSUPP;
1754 break;
1755 default:
1756 return -EOPNOTSUPP;
1757 }
2a519311
JB		 1758
1759 return ieee80211_request_scan(sdata, req);
1760}
1761
79f460ca
LC		 1762static int
1763ieee80211_sched_scan_start(struct wiphy *wiphy,
1764 struct net_device *dev,
1765 struct cfg80211_sched_scan_request *req)
1766{
1767 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1768
1769 if (!sdata->local->ops->sched_scan_start)
1770 return -EOPNOTSUPP;
1771
1772 return ieee80211_request_sched_scan_start(sdata, req);
1773}
1774
1775static int
85a9994a 1776ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1777{
1778 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1779
1780 if (!sdata->local->ops->sched_scan_stop)
1781 return -EOPNOTSUPP;
1782
85a9994a 1783 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1784}
1785
636a5d36
JM		 1786static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1787 struct cfg80211_auth_request *req)
1788{
77fdaa12 1789 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1790}
1791
1792static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1793 struct cfg80211_assoc_request *req)
1794{
f444de05
JB		 1795 struct ieee80211_local *local = wiphy_priv(wiphy);
1796 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797
1798 switch (ieee80211_get_channel_mode(local, sdata)) {
1799 case CHAN_MODE_HOPPING:
1800 return -EBUSY;
1801 case CHAN_MODE_FIXED:
1802 if (local->oper_channel == req->bss->channel)
1803 break;
1804 return -EBUSY;
1805 case CHAN_MODE_UNDEFINED:
1806 break;
1807 }
1808
77fdaa12 1809 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1810}
1811
1812static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1813 struct cfg80211_deauth_request *req)
636a5d36 1814{
63c9c5e7 1815 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1816}
1817
1818static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1819 struct cfg80211_disassoc_request *req)
636a5d36 1820{
63c9c5e7 1821 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1822}
1823
af8cdcd8
JB		 1824static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1825 struct cfg80211_ibss_params *params)
1826{
f444de05 1827 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1828 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1829
f444de05
JB		 1830 switch (ieee80211_get_channel_mode(local, sdata)) {
1831 case CHAN_MODE_HOPPING:
1832 return -EBUSY;
1833 case CHAN_MODE_FIXED:
1834 if (!params->channel_fixed)
1835 return -EBUSY;
1836 if (local->oper_channel == params->channel)
1837 break;
1838 return -EBUSY;
1839 case CHAN_MODE_UNDEFINED:
1840 break;
1841 }
1842
af8cdcd8
JB		 1843 return ieee80211_ibss_join(sdata, params);
1844}
1845
1846static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1847{
1848 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1849
1850 return ieee80211_ibss_leave(sdata);
1851}
1852
b9a5f8ca
JM		 1853static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1854{
1855 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1856 int err;
b9a5f8ca 1857
f23a4780
AN		 1858 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1859 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1860
1861 if (err)
1862 return err;
1863 }
1864
310bc676
LT		 1865 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1866 err = drv_set_coverage_class(local, wiphy->coverage_class);
1867
1868 if (err)
1869 return err;
1870 }
1871
b9a5f8ca 1872 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1873 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1874
24487981
JB		 1875 if (err)
1876 return err;
b9a5f8ca
JM		 1877 }
1878
1879 if (changed & WIPHY_PARAM_RETRY_SHORT)
1880 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1881 if (changed & WIPHY_PARAM_RETRY_LONG)
1882 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1883 if (changed &
1884 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1885 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1886
1887 return 0;
1888}
1889
7643a2c3 1890static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1891 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1892{
1893 struct ieee80211_local *local = wiphy_priv(wiphy);
1894 struct ieee80211_channel *chan = local->hw.conf.channel;
1895 u32 changes = 0;
7643a2c3
JB		 1896
1897 switch (type) {
fa61cf70 1898 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1899 local->user_power_level = -1;
1900 break;
fa61cf70
JO		 1901 case NL80211_TX_POWER_LIMITED:
1902 if (mbm < 0 || (mbm % 100))
1903 return -EOPNOTSUPP;
1904 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1905 break;
fa61cf70
JO		 1906 case NL80211_TX_POWER_FIXED:
1907 if (mbm < 0 || (mbm % 100))
1908 return -EOPNOTSUPP;
7643a2c3 1909 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1910 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1911 return -EINVAL;
fa61cf70 1912 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1913 break;
7643a2c3
JB		 1914 }
1915
1916 ieee80211_hw_config(local, changes);
1917
1918 return 0;
1919}
1920
1921static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1922{
1923 struct ieee80211_local *local = wiphy_priv(wiphy);
1924
1925 *dbm = local->hw.conf.power_level;
1926
7643a2c3
JB		 1927 return 0;
1928}
1929
ab737a4f 1930static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1931 const u8 *addr)
ab737a4f
JB		 1932{
1933 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1934
1935 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1936
1937 return 0;
1938}
1939
1f87f7d3
JB		 1940static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1941{
1942 struct ieee80211_local *local = wiphy_priv(wiphy);
1943
1944 drv_rfkill_poll(local);
1945}
1946
aff89a9b 1947#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1948static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1949{
1950 struct ieee80211_local *local = wiphy_priv(wiphy);
1951
1952 if (!local->ops->testmode_cmd)
1953 return -EOPNOTSUPP;
1954
1955 return local->ops->testmode_cmd(&local->hw, data, len);
1956}
71063f0e
WYG		 1957
1958static int ieee80211_testmode_dump(struct wiphy *wiphy,
1959 struct sk_buff *skb,
1960 struct netlink_callback *cb,
1961 void *data, int len)
1962{
1963 struct ieee80211_local *local = wiphy_priv(wiphy);
1964
1965 if (!local->ops->testmode_dump)
1966 return -EOPNOTSUPP;
1967
1968 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1969}
aff89a9b
JB		 1970#endif
1971
0f78231b
JB		 1972int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1973 enum ieee80211_smps_mode smps_mode)
1974{
1975 const u8 *ap;
1976 enum ieee80211_smps_mode old_req;
1977 int err;
1978
243e6df4
JB		 1979 lockdep_assert_held(&sdata->u.mgd.mtx);
1980
0f78231b
JB		 1981 old_req = sdata->u.mgd.req_smps;
1982 sdata->u.mgd.req_smps = smps_mode;
1983
1984 if (old_req == smps_mode &&
1985 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1986 return 0;
1987
1988 /*
1989 * If not associated, or current association is not an HT
1990 * association, there's no need to send an action frame.
1991 */
1992 if (!sdata->u.mgd.associated ||
0aaffa9b 1993 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1994 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1995 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 1996 mutex_unlock(&sdata->local->iflist_mtx);
1997 return 0;
1998 }
1999
0c1ad2ca 2000 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2001
2002 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2003 if (sdata->u.mgd.powersave)
2004 smps_mode = IEEE80211_SMPS_DYNAMIC;
2005 else
2006 smps_mode = IEEE80211_SMPS_OFF;
2007 }
2008
2009 /* send SM PS frame to AP */
2010 err = ieee80211_send_smps_action(sdata, smps_mode,
2011 ap, ap);
2012 if (err)
2013 sdata->u.mgd.req_smps = old_req;
2014
2015 return err;
2016}
2017
bc92afd9
JB		 2018static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2019 bool enabled, int timeout)
2020{
2021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2022 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2023
e5de30c9
BP		 2024 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2025 return -EOPNOTSUPP;
2026
bc92afd9
JB		 2027 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2028 return -EOPNOTSUPP;
2029
2030 if (enabled == sdata->u.mgd.powersave &&
ff616381 2031 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2032 return 0;
2033
2034 sdata->u.mgd.powersave = enabled;
ff616381 2035 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2036
0f78231b
JB		 2037 /* no change, but if automatic follow powersave */
2038 mutex_lock(&sdata->u.mgd.mtx);
2039 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2040 mutex_unlock(&sdata->u.mgd.mtx);
2041
bc92afd9
JB		 2042 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2043 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2044
2045 ieee80211_recalc_ps(local, -1);
2046
2047 return 0;
2048}
2049
a97c13c3
JO		 2050static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2051 struct net_device *dev,
2052 s32 rssi_thold, u32 rssi_hyst)
2053{
2054 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2055 struct ieee80211_vif *vif = &sdata->vif;
2056 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2057
a97c13c3
JO		 2058 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2059 rssi_hyst == bss_conf->cqm_rssi_hyst)
2060 return 0;
2061
2062 bss_conf->cqm_rssi_thold = rssi_thold;
2063 bss_conf->cqm_rssi_hyst = rssi_hyst;
2064
2065 /* tell the driver upon association, unless already associated */
ea086359
JB		 2066 if (sdata->u.mgd.associated &&
2067 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2068 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2069
2070 return 0;
2071}
2072
9930380f
JB		 2073static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2074 struct net_device *dev,
2075 const u8 *addr,
2076 const struct cfg80211_bitrate_mask *mask)
2077{
2078 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2079 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2080 int i, ret;
2c7e6bc9 2081
bdbfd6b5
SM		 2082 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2083 ret = drv_set_bitrate_mask(local, sdata, mask);
2084 if (ret)
2085 return ret;
2086 }
9930380f 2087
19468413 2088 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2089 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2090 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2091 sizeof(mask->control[i].mcs));
2092 }
9930380f 2093
37eb0b16 2094 return 0;
9930380f
JB		 2095}
2096
21f83589
JB		 2097static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
2098 struct net_device *dev,
2099 struct ieee80211_channel *chan,
2100 enum nl80211_channel_type chantype,
2101 unsigned int duration, u64 *cookie)
2102{
2103 int ret;
2104 u32 random_cookie;
2105
2106 lockdep_assert_held(&local->mtx);
2107
2108 if (local->hw_roc_cookie)
2109 return -EBUSY;
2110 /* must be nonzero */
2111 random_cookie = random32() | 1;
2112
2113 *cookie = random_cookie;
2114 local->hw_roc_dev = dev;
2115 local->hw_roc_cookie = random_cookie;
2116 local->hw_roc_channel = chan;
2117 local->hw_roc_channel_type = chantype;
2118 local->hw_roc_duration = duration;
2119 ret = drv_remain_on_channel(local, chan, chantype, duration);
2120 if (ret) {
2121 local->hw_roc_channel = NULL;
2122 local->hw_roc_cookie = 0;
2123 }
2124
2125 return ret;
2126}
2127
b8bc4b0a
JB		 2128static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2129 struct net_device *dev,
2130 struct ieee80211_channel *chan,
2131 enum nl80211_channel_type channel_type,
2132 unsigned int duration,
2133 u64 *cookie)
2134{
2135 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 2136 struct ieee80211_local *local = sdata->local;
2137
2138 if (local->ops->remain_on_channel) {
2139 int ret;
2140
2141 mutex_lock(&local->mtx);
2142 ret = ieee80211_remain_on_channel_hw(local, dev,
2143 chan, channel_type,
2144 duration, cookie);
90fc4b3a 2145 local->hw_roc_for_tx = false;
21f83589
JB		 2146 mutex_unlock(&local->mtx);
2147
2148 return ret;
2149 }
b8bc4b0a
JB		 2150
2151 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
2152 duration, cookie);
2153}
2154
21f83589
JB		 2155static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
2156 u64 cookie)
2157{
2158 int ret;
2159
2160 lockdep_assert_held(&local->mtx);
2161
2162 if (local->hw_roc_cookie != cookie)
2163 return -ENOENT;
2164
2165 ret = drv_cancel_remain_on_channel(local);
2166 if (ret)
2167 return ret;
2168
2169 local->hw_roc_cookie = 0;
2170 local->hw_roc_channel = NULL;
2171
2172 ieee80211_recalc_idle(local);
2173
2174 return 0;
2175}
2176
b8bc4b0a
JB		 2177static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2178 struct net_device *dev,
2179 u64 cookie)
2180{
2181 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB		 2182 struct ieee80211_local *local = sdata->local;
2183
2184 if (local->ops->cancel_remain_on_channel) {
2185 int ret;
2186
2187 mutex_lock(&local->mtx);
2188 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2189 mutex_unlock(&local->mtx);
2190
2191 return ret;
2192 }
b8bc4b0a
JB		 2193
2194 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
2195}
2196
f30221e4
JB		 2197static enum work_done_result
2198ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
2199{
2200 /*
2201 * Use the data embedded in the work struct for reporting
2202 * here so if the driver mangled the SKB before dropping
2203 * it (which is the only way we really should get here)
2204 * then we don't report mangled data.
2205 *
2206 * If there was no wait time, then by the time we get here
2207 * the driver will likely not have reported the status yet,
2208 * so in that case userspace will have to deal with it.
2209 */
2210
28a1bcdb 2211 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
f30221e4
JB		 2212 cfg80211_mgmt_tx_status(wk->sdata->dev,
2213 (unsigned long) wk->offchan_tx.frame,
66e67e41 2214 wk->data, wk->data_len, false, GFP_KERNEL);
f30221e4
JB		 2215
2216 return WORK_DONE_DESTROY;
2217}
2218
2e161f78 2219static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 2220 struct ieee80211_channel *chan, bool offchan,
2e161f78 2221 enum nl80211_channel_type channel_type,
f7ca38df 2222 bool channel_type_valid, unsigned int wait,
e9f935e3 2223 const u8 *buf, size_t len, bool no_cck,
e247bd90 2224 bool dont_wait_for_ack, u64 *cookie)
026331c4 2225{
9d38d85d
JB		 2226 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2227 struct ieee80211_local *local = sdata->local;
2228 struct sk_buff *skb;
2229 struct sta_info *sta;
f30221e4 2230 struct ieee80211_work *wk;
9d38d85d 2231 const struct ieee80211_mgmt *mgmt = (void *)buf;
e247bd90 2232 u32 flags;
f30221e4 2233 bool is_offchan = false;
f7ca38df 2234
e247bd90
JB		 2235 if (dont_wait_for_ack)
2236 flags = IEEE80211_TX_CTL_NO_ACK;
2237 else
2238 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2239 IEEE80211_TX_CTL_REQ_TX_STATUS;
2240
9d38d85d
JB		 2241 /* Check that we are on the requested channel for transmission */
2242 if (chan != local->tmp_channel &&
2243 chan != local->oper_channel)
f30221e4 2244 is_offchan = true;
9d38d85d
JB		 2245 if (channel_type_valid &&
2246 (channel_type != local->tmp_channel_type &&
2247 channel_type != local->_oper_channel_type))
f30221e4
JB		 2248 is_offchan = true;
2249
21f83589
JB		 2250 if (chan == local->hw_roc_channel) {
2251 /* TODO: check channel type? */
2252 is_offchan = false;
2253 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2254 }
2255
aad14ceb
RM		 2256 if (no_cck)
2257 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2258
f30221e4 2259 if (is_offchan && !offchan)
9d38d85d
JB		 2260 return -EBUSY;
2261
2262 switch (sdata->vif.type) {
2263 case NL80211_IFTYPE_ADHOC:
663fcafd
JB		 2264 case NL80211_IFTYPE_AP:
2265 case NL80211_IFTYPE_AP_VLAN:
2266 case NL80211_IFTYPE_P2P_GO:
c7108a71 2267 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB		 2268 if (!ieee80211_is_action(mgmt->frame_control) ||
2269 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2270 break;
2271 rcu_read_lock();
2272 sta = sta_info_get(sdata, mgmt->da);
2273 rcu_read_unlock();
2274 if (!sta)
2275 return -ENOLINK;
2276 break;
2277 case NL80211_IFTYPE_STATION:
663fcafd 2278 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB		 2279 break;
2280 default:
2281 return -EOPNOTSUPP;
2282 }
2283
2284 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2285 if (!skb)
2286 return -ENOMEM;
2287 skb_reserve(skb, local->hw.extra_tx_headroom);
2288
2289 memcpy(skb_put(skb, len), buf, len);
2290
2291 IEEE80211_SKB_CB(skb)->flags = flags;
2292
c53f7e15
EP		 2293 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL &&
2294 flags & IEEE80211_TX_CTL_TX_OFFCHAN)
3a25a8c8
JB		 2295 IEEE80211_SKB_CB(skb)->hw_queue =
2296 local->hw.offchannel_tx_hw_queue;
2297
9d38d85d 2298 skb->dev = sdata->dev;
9d38d85d
JB		 2299
2300 *cookie = (unsigned long) skb;
f30221e4 2301
90fc4b3a
JB		 2302 if (is_offchan && local->ops->remain_on_channel) {
2303 unsigned int duration;
2304 int ret;
2305
2306 mutex_lock(&local->mtx);
2307 /*
2308 * If the duration is zero, then the driver
2309 * wouldn't actually do anything. Set it to
2310 * 100 for now.
2311 *
2312 * TODO: cancel the off-channel operation
2313 * when we get the SKB's TX status and
2314 * the wait time was zero before.
2315 */
2316 duration = 100;
2317 if (wait)
2318 duration = wait;
2319 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2320 channel_type,
2321 duration, cookie);
2322 if (ret) {
2323 kfree_skb(skb);
2324 mutex_unlock(&local->mtx);
2325 return ret;
2326 }
2327
2328 local->hw_roc_for_tx = true;
2329 local->hw_roc_duration = wait;
2330
2331 /*
2332 * queue up frame for transmission after
2333 * ieee80211_ready_on_channel call
2334 */
2335
2336 /* modify cookie to prevent API mismatches */
2337 *cookie ^= 2;
2338 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
c53f7e15
EP		 2339 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2340 IEEE80211_SKB_CB(skb)->hw_queue =
2341 local->hw.offchannel_tx_hw_queue;
90fc4b3a 2342 local->hw_roc_skb = skb;
4334ec85 2343 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB		 2344 mutex_unlock(&local->mtx);
2345
2346 return 0;
2347 }
2348
f30221e4
JB		 2349 /*
2350 * Can transmit right away if the channel was the
2351 * right one and there's no wait involved... If a
2352 * wait is involved, we might otherwise not be on
2353 * the right channel for long enough!
2354 */
2355 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2356 ieee80211_tx_skb(sdata, skb);
2357 return 0;
2358 }
2359
2360 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2361 if (!wk) {
2362 kfree_skb(skb);
2363 return -ENOMEM;
2364 }
2365
2366 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2367 wk->chan = chan;
4d51e149 2368 wk->chan_type = channel_type;
f30221e4
JB		 2369 wk->sdata = sdata;
2370 wk->done = ieee80211_offchan_tx_done;
2371 wk->offchan_tx.frame = skb;
2372 wk->offchan_tx.wait = wait;
66e67e41
JB		 2373 wk->data_len = len;
2374 memcpy(wk->data, buf, len);
f30221e4
JB		 2375
2376 ieee80211_add_work(wk);
9d38d85d 2377 return 0;
026331c4
JM		 2378}
2379
f30221e4
JB		 2380static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2381 struct net_device *dev,
2382 u64 cookie)
2383{
2384 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2385 struct ieee80211_local *local = sdata->local;
2386 struct ieee80211_work *wk;
2387 int ret = -ENOENT;
2388
2389 mutex_lock(&local->mtx);
90fc4b3a
JB		 2390
2391 if (local->ops->cancel_remain_on_channel) {
2392 cookie ^= 2;
2393 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2394
2395 if (ret == 0) {
2396 kfree_skb(local->hw_roc_skb);
2397 local->hw_roc_skb = NULL;
4334ec85 2398 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB		 2399 }
2400
2401 mutex_unlock(&local->mtx);
2402
2403 return ret;
2404 }
2405
f30221e4
JB		 2406 list_for_each_entry(wk, &local->work_list, list) {
2407 if (wk->sdata != sdata)
2408 continue;
2409
2410 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2411 continue;
2412
2413 if (cookie != (unsigned long) wk->offchan_tx.frame)
2414 continue;
2415
2416 wk->timeout = jiffies;
2417
2418 ieee80211_queue_work(&local->hw, &local->work_work);
2419 ret = 0;
2420 break;
2421 }
2422 mutex_unlock(&local->mtx);
2423
2424 return ret;
2425}
2426
7be5086d
JB		 2427static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2428 struct net_device *dev,
2429 u16 frame_type, bool reg)
2430{
2431 struct ieee80211_local *local = wiphy_priv(wiphy);
2432
2433 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2434 return;
2435
2436 if (reg)
2437 local->probe_req_reg++;
2438 else
2439 local->probe_req_reg--;
2440
2441 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2442}
2443
15d96753
BR		 2444static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2445{
2446 struct ieee80211_local *local = wiphy_priv(wiphy);
2447
2448 if (local->started)
2449 return -EOPNOTSUPP;
2450
2451 return drv_set_antenna(local, tx_ant, rx_ant);
2452}
2453
2454static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2455{
2456 struct ieee80211_local *local = wiphy_priv(wiphy);
2457
2458 return drv_get_antenna(local, tx_ant, rx_ant);
2459}
2460
38c09159
JL		 2461static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2462{
2463 struct ieee80211_local *local = wiphy_priv(wiphy);
2464
2465 return drv_set_ringparam(local, tx, rx);
2466}
2467
2468static void ieee80211_get_ringparam(struct wiphy *wiphy,
2469 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2470{
2471 struct ieee80211_local *local = wiphy_priv(wiphy);
2472
2473 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2474}
2475
c68f4b89
JB		 2476static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2477 struct net_device *dev,
2478 struct cfg80211_gtk_rekey_data *data)
2479{
2480 struct ieee80211_local *local = wiphy_priv(wiphy);
2481 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2482
2483 if (!local->ops->set_rekey_data)
2484 return -EOPNOTSUPP;
2485
2486 drv_set_rekey_data(local, sdata, data);
2487
2488 return 0;
2489}
2490
dfe018bf
AN		 2491static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2492{
2493 u8 *pos = (void *)skb_put(skb, 7);
2494
2495 *pos++ = WLAN_EID_EXT_CAPABILITY;
2496 *pos++ = 5; /* len */
2497 *pos++ = 0x0;
2498 *pos++ = 0x0;
2499 *pos++ = 0x0;
2500 *pos++ = 0x0;
2501 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2502}
2503
2504static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2505{
2506 struct ieee80211_local *local = sdata->local;
2507 u16 capab;
2508
2509 capab = 0;
2510 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2511 return capab;
2512
2513 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2514 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2515 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2516 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2517
2518 return capab;
2519}
2520
2521static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2522 u8 *peer, u8 *bssid)
2523{
2524 struct ieee80211_tdls_lnkie *lnkid;
2525
2526 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2527
2528 lnkid->ie_type = WLAN_EID_LINK_ID;
2529 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2530
2531 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2532 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2533 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2534}
2535
2536static int
2537ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2538 u8 *peer, u8 action_code, u8 dialog_token,
2539 u16 status_code, struct sk_buff *skb)
2540{
2541 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2542 struct ieee80211_tdls_data *tf;
2543
2544 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2545
2546 memcpy(tf->da, peer, ETH_ALEN);
2547 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2548 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2549 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2550
2551 switch (action_code) {
2552 case WLAN_TDLS_SETUP_REQUEST:
2553 tf->category = WLAN_CATEGORY_TDLS;
2554 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2555
2556 skb_put(skb, sizeof(tf->u.setup_req));
2557 tf->u.setup_req.dialog_token = dialog_token;
2558 tf->u.setup_req.capability =
2559 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2560
657c3e0c
AN		 2561 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2562 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2563 ieee80211_tdls_add_ext_capab(skb);
2564 break;
2565 case WLAN_TDLS_SETUP_RESPONSE:
2566 tf->category = WLAN_CATEGORY_TDLS;
2567 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2568
2569 skb_put(skb, sizeof(tf->u.setup_resp));
2570 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2571 tf->u.setup_resp.dialog_token = dialog_token;
2572 tf->u.setup_resp.capability =
2573 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2574
657c3e0c
AN		 2575 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2576 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2577 ieee80211_tdls_add_ext_capab(skb);
2578 break;
2579 case WLAN_TDLS_SETUP_CONFIRM:
2580 tf->category = WLAN_CATEGORY_TDLS;
2581 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2582
2583 skb_put(skb, sizeof(tf->u.setup_cfm));
2584 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2585 tf->u.setup_cfm.dialog_token = dialog_token;
2586 break;
2587 case WLAN_TDLS_TEARDOWN:
2588 tf->category = WLAN_CATEGORY_TDLS;
2589 tf->action_code = WLAN_TDLS_TEARDOWN;
2590
2591 skb_put(skb, sizeof(tf->u.teardown));
2592 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2593 break;
2594 case WLAN_TDLS_DISCOVERY_REQUEST:
2595 tf->category = WLAN_CATEGORY_TDLS;
2596 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2597
2598 skb_put(skb, sizeof(tf->u.discover_req));
2599 tf->u.discover_req.dialog_token = dialog_token;
2600 break;
2601 default:
2602 return -EINVAL;
2603 }
2604
2605 return 0;
2606}
2607
2608static int
2609ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2610 u8 *peer, u8 action_code, u8 dialog_token,
2611 u16 status_code, struct sk_buff *skb)
2612{
2613 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2614 struct ieee80211_mgmt *mgmt;
2615
2616 mgmt = (void *)skb_put(skb, 24);
2617 memset(mgmt, 0, 24);
2618 memcpy(mgmt->da, peer, ETH_ALEN);
2619 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2620 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2621
2622 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2623 IEEE80211_STYPE_ACTION);
2624
2625 switch (action_code) {
2626 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2627 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2628 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2629 mgmt->u.action.u.tdls_discover_resp.action_code =
2630 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2631 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2632 dialog_token;
2633 mgmt->u.action.u.tdls_discover_resp.capability =
2634 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2635
657c3e0c
AN		 2636 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2637 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2638 ieee80211_tdls_add_ext_capab(skb);
2639 break;
2640 default:
2641 return -EINVAL;
2642 }
2643
2644 return 0;
2645}
2646
2647static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2648 u8 *peer, u8 action_code, u8 dialog_token,
2649 u16 status_code, const u8 *extra_ies,
2650 size_t extra_ies_len)
2651{
2652 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2653 struct ieee80211_local *local = sdata->local;
2654 struct ieee80211_tx_info *info;
2655 struct sk_buff *skb = NULL;
2656 bool send_direct;
2657 int ret;
2658
2659 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2660 return -ENOTSUPP;
2661
2662 /* make sure we are in managed mode, and associated */
2663 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2664 !sdata->u.mgd.associated)
2665 return -EINVAL;
2666
2667#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2668 pr_debug("TDLS mgmt action %d peer %pM\n", action_code, peer);
dfe018bf
AN		 2669#endif
2670
2671 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2672 max(sizeof(struct ieee80211_mgmt),
2673 sizeof(struct ieee80211_tdls_data)) +
2674 50 + /* supported rates */
2675 7 + /* ext capab */
2676 extra_ies_len +
2677 sizeof(struct ieee80211_tdls_lnkie));
2678 if (!skb)
2679 return -ENOMEM;
2680
2681 info = IEEE80211_SKB_CB(skb);
2682 skb_reserve(skb, local->hw.extra_tx_headroom);
2683
2684 switch (action_code) {
2685 case WLAN_TDLS_SETUP_REQUEST:
2686 case WLAN_TDLS_SETUP_RESPONSE:
2687 case WLAN_TDLS_SETUP_CONFIRM:
2688 case WLAN_TDLS_TEARDOWN:
2689 case WLAN_TDLS_DISCOVERY_REQUEST:
2690 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2691 action_code, dialog_token,
2692 status_code, skb);
2693 send_direct = false;
2694 break;
2695 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2696 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2697 dialog_token, status_code,
2698 skb);
2699 send_direct = true;
2700 break;
2701 default:
2702 ret = -ENOTSUPP;
2703 break;
2704 }
2705
2706 if (ret < 0)
2707 goto fail;
2708
2709 if (extra_ies_len)
2710 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2711
2712 /* the TDLS link IE is always added last */
2713 switch (action_code) {
2714 case WLAN_TDLS_SETUP_REQUEST:
2715 case WLAN_TDLS_SETUP_CONFIRM:
2716 case WLAN_TDLS_TEARDOWN:
2717 case WLAN_TDLS_DISCOVERY_REQUEST:
2718 /* we are the initiator */
2719 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2720 sdata->u.mgd.bssid);
2721 break;
2722 case WLAN_TDLS_SETUP_RESPONSE:
2723 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2724 /* we are the responder */
2725 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2726 sdata->u.mgd.bssid);
2727 break;
2728 default:
2729 ret = -ENOTSUPP;
2730 goto fail;
2731 }
2732
2733 if (send_direct) {
2734 ieee80211_tx_skb(sdata, skb);
2735 return 0;
2736 }
2737
2738 /*
2739 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2740 * we should default to AC_VI.
2741 */
2742 switch (action_code) {
2743 case WLAN_TDLS_SETUP_REQUEST:
2744 case WLAN_TDLS_SETUP_RESPONSE:
2745 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2746 skb->priority = 2;
2747 break;
2748 default:
2749 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2750 skb->priority = 5;
2751 break;
2752 }
2753
2754 /* disable bottom halves when entering the Tx path */
2755 local_bh_disable();
2756 ret = ieee80211_subif_start_xmit(skb, dev);
2757 local_bh_enable();
2758
2759 return ret;
2760
2761fail:
2762 dev_kfree_skb(skb);
2763 return ret;
2764}
2765
2766static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2767 u8 *peer, enum nl80211_tdls_operation oper)
2768{
941c93cd 2769 struct sta_info *sta;
dfe018bf
AN		 2770 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2771
2772 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2773 return -ENOTSUPP;
2774
2775 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2776 return -EINVAL;
2777
2778#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2779 pr_debug("TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2780#endif
2781
2782 switch (oper) {
2783 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2784 rcu_read_lock();
2785 sta = sta_info_get(sdata, peer);
2786 if (!sta) {
2787 rcu_read_unlock();
2788 return -ENOLINK;
2789 }
2790
c2c98fde 2791 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2792 rcu_read_unlock();
dfe018bf
AN		 2793 break;
2794 case NL80211_TDLS_DISABLE_LINK:
2795 return sta_info_destroy_addr(sdata, peer);
2796 case NL80211_TDLS_TEARDOWN:
2797 case NL80211_TDLS_SETUP:
2798 case NL80211_TDLS_DISCOVERY_REQ:
2799 /* We don't support in-driver setup/teardown/discovery */
2800 return -ENOTSUPP;
2801 default:
2802 return -ENOTSUPP;
2803 }
2804
2805 return 0;
2806}
2807
06500736
JB		 2808static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2809 const u8 *peer, u64 *cookie)
2810{
2811 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2812 struct ieee80211_local *local = sdata->local;
2813 struct ieee80211_qos_hdr *nullfunc;
2814 struct sk_buff *skb;
2815 int size = sizeof(*nullfunc);
2816 __le16 fc;
2817 bool qos;
2818 struct ieee80211_tx_info *info;
2819 struct sta_info *sta;
2820
2821 rcu_read_lock();
2822 sta = sta_info_get(sdata, peer);
b4487c2d 2823 if (sta) {
06500736 2824 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2825 rcu_read_unlock();
2826 } else {
2827 rcu_read_unlock();
06500736 2828 return -ENOLINK;
b4487c2d 2829 }
06500736
JB		 2830
2831 if (qos) {
2832 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2833 IEEE80211_STYPE_QOS_NULLFUNC |
2834 IEEE80211_FCTL_FROMDS);
2835 } else {
2836 size -= 2;
2837 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2838 IEEE80211_STYPE_NULLFUNC |
2839 IEEE80211_FCTL_FROMDS);
2840 }
2841
2842 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2843 if (!skb)
2844 return -ENOMEM;
2845
2846 skb->dev = dev;
2847
2848 skb_reserve(skb, local->hw.extra_tx_headroom);
2849
2850 nullfunc = (void *) skb_put(skb, size);
2851 nullfunc->frame_control = fc;
2852 nullfunc->duration_id = 0;
2853 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2854 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2855 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2856 nullfunc->seq_ctrl = 0;
2857
2858 info = IEEE80211_SKB_CB(skb);
2859
2860 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2861 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2862
2863 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2864 skb->priority = 7;
2865 if (qos)
2866 nullfunc->qos_ctrl = cpu_to_le16(7);
2867
2868 local_bh_disable();
2869 ieee80211_xmit(sdata, skb);
2870 local_bh_enable();
2871
2872 *cookie = (unsigned long) skb;
2873 return 0;
2874}
2875
e999882a 2876static struct ieee80211_channel *
d91df0e3
PF		 2877ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2878 enum nl80211_channel_type *type)
e999882a
JB		 2879{
2880 struct ieee80211_local *local = wiphy_priv(wiphy);
2881
d91df0e3 2882 *type = local->_oper_channel_type;
e999882a
JB		 2883 return local->oper_channel;
2884}
2885
6d52563f
JB		 2886#ifdef CONFIG_PM
2887static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2888{
2889 drv_set_wakeup(wiphy_priv(wiphy), enabled);
2890}
2891#endif
2892
f0706e82
JB		 2893struct cfg80211_ops mac80211_config_ops = {
2894 .add_virtual_intf = ieee80211_add_iface,
2895 .del_virtual_intf = ieee80211_del_iface,
42613db7 2896 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2897 .add_key = ieee80211_add_key,
2898 .del_key = ieee80211_del_key,
62da92fb 2899 .get_key = ieee80211_get_key,
e8cbb4cb 2900 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2901 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 2902 .start_ap = ieee80211_start_ap,
2903 .change_beacon = ieee80211_change_beacon,
2904 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 2905 .add_station = ieee80211_add_station,
2906 .del_station = ieee80211_del_station,
2907 .change_station = ieee80211_change_station,
7bbdd2d9 2908 .get_station = ieee80211_get_station,
c5dd9c2b 2909 .dump_station = ieee80211_dump_station,
1289723e 2910 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2911#ifdef CONFIG_MAC80211_MESH
2912 .add_mpath = ieee80211_add_mpath,
2913 .del_mpath = ieee80211_del_mpath,
2914 .change_mpath = ieee80211_change_mpath,
2915 .get_mpath = ieee80211_get_mpath,
2916 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2917 .update_mesh_config = ieee80211_update_mesh_config,
2918 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2919 .join_mesh = ieee80211_join_mesh,
2920 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2921#endif
9f1ba906 2922 .change_bss = ieee80211_change_bss,
31888487 2923 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2924 .set_channel = ieee80211_set_channel,
665af4fc
BC		 2925 .suspend = ieee80211_suspend,
2926 .resume = ieee80211_resume,
2a519311 2927 .scan = ieee80211_scan,
79f460ca
LC		 2928 .sched_scan_start = ieee80211_sched_scan_start,
2929 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 2930 .auth = ieee80211_auth,
2931 .assoc = ieee80211_assoc,
2932 .deauth = ieee80211_deauth,
2933 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 2934 .join_ibss = ieee80211_join_ibss,
2935 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2936 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 2937 .set_tx_power = ieee80211_set_tx_power,
2938 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2939 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2940 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2941 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 2942 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 2943 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2944 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 2945 .remain_on_channel = ieee80211_remain_on_channel,
2946 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2947 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2948 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2949 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2950 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 2951 .set_antenna = ieee80211_set_antenna,
2952 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 2953 .set_ringparam = ieee80211_set_ringparam,
2954 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 2955 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 2956 .tdls_oper = ieee80211_tdls_oper,
2957 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 2958 .probe_client = ieee80211_probe_client,
e999882a 2959 .get_channel = ieee80211_wiphy_get_channel,
b53be792 2960 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 2961#ifdef CONFIG_PM
2962 .set_wakeup = ieee80211_set_wakeup,
2963#endif
b1ab7925
BG		 2964 .get_et_sset_count = ieee80211_get_et_sset_count,
2965 .get_et_stats = ieee80211_get_et_stats,
2966 .get_et_strings = ieee80211_get_et_strings,
f0706e82 2967};
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