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mac80211: allow cancelling dependent ROCs
[GitHub/mt8127/android_kernel_alcatel_ttab.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
5204267d 536 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 537 data[i] = 100000 *
538 cfg80211_calculate_bitrate(&sinfo.txrate);
539 i++;
5204267d 540 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 541 data[i] = 100000 *
542 cfg80211_calculate_bitrate(&sinfo.rxrate);
543 i++;
544
5204267d 545 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 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
e8c9bd5b
JB		 712static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
713 struct ieee80211_channel *chan,
714 enum nl80211_channel_type channel_type)
715{
716 return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
717}
718
02945821 719static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 720 const u8 *resp, size_t resp_len)
02945821
AN		 721{
722 struct sk_buff *new, *old;
723
724 if (!resp || !resp_len)
8860020e 725 return 1;
02945821 726
f724828b 727 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821
AN		 728
729 new = dev_alloc_skb(resp_len);
730 if (!new)
731 return -ENOMEM;
732
733 memcpy(skb_put(new, resp_len), resp, resp_len);
734
735 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
8860020e
JB		 736 if (old) {
737 /* TODO: use call_rcu() */
738 synchronize_rcu();
02945821 739 dev_kfree_skb(old);
8860020e 740 }
02945821
AN		 741
742 return 0;
743}
744
8860020e
JB		 745static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
746 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 747{
748 struct beacon_data *new, *old;
749 int new_head_len, new_tail_len;
8860020e
JB		 750 int size, err;
751 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 752
40b275b6 753 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 754
5dfdaf58
JB		 755 /* Need to have a beacon head if we don't have one yet */
756 if (!params->head && !old)
8860020e 757 return -EINVAL;
5dfdaf58
JB		 758
759 /* new or old head? */
760 if (params->head)
761 new_head_len = params->head_len;
762 else
763 new_head_len = old->head_len;
764
765 /* new or old tail? */
766 if (params->tail || !old)
767 /* params->tail_len will be zero for !params->tail */
768 new_tail_len = params->tail_len;
769 else
770 new_tail_len = old->tail_len;
771
772 size = sizeof(*new) + new_head_len + new_tail_len;
773
774 new = kzalloc(size, GFP_KERNEL);
775 if (!new)
776 return -ENOMEM;
777
778 /* start filling the new info now */
779
5dfdaf58
JB		 780 /*
781 * pointers go into the block we allocated,
782 * memory is | beacon_data | head | tail |
783 */
784 new->head = ((u8 *) new) + sizeof(*new);
785 new->tail = new->head + new_head_len;
786 new->head_len = new_head_len;
787 new->tail_len = new_tail_len;
788
789 /* copy in head */
790 if (params->head)
791 memcpy(new->head, params->head, new_head_len);
792 else
793 memcpy(new->head, old->head, new_head_len);
794
795 /* copy in optional tail */
796 if (params->tail)
797 memcpy(new->tail, params->tail, new_tail_len);
798 else
799 if (old)
800 memcpy(new->tail, old->tail, new_tail_len);
801
02945821
AN		 802 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
803 params->probe_resp_len);
8860020e
JB		 804 if (err < 0)
805 return err;
806 if (err == 0)
02945821
AN		 807 changed |= BSS_CHANGED_AP_PROBE_RESP;
808
8860020e
JB		 809 rcu_assign_pointer(sdata->u.ap.beacon, new);
810
811 if (old)
812 kfree_rcu(old, rcu_head);
7827493b 813
8860020e 814 return changed;
5dfdaf58
JB		 815}
816
8860020e
JB		 817static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
818 struct cfg80211_ap_settings *params)
5dfdaf58 819{
8860020e 820 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 821 struct beacon_data *old;
665c93a9 822 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 823 u32 changed = BSS_CHANGED_BEACON_INT |
824 BSS_CHANGED_BEACON_ENABLED |
825 BSS_CHANGED_BEACON |
826 BSS_CHANGED_SSID;
827 int err;
14db74bc 828
40b275b6 829 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 830 if (old)
831 return -EALREADY;
832
aa430da4
JB		 833 err = ieee80211_set_channel(wiphy, dev, params->channel,
834 params->channel_type);
835 if (err)
836 return err;
837
665c93a9
JB		 838 /*
839 * Apply control port protocol, this allows us to
840 * not encrypt dynamic WEP control frames.
841 */
842 sdata->control_port_protocol = params->crypto.control_port_ethertype;
843 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
844 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
845 vlan->control_port_protocol =
846 params->crypto.control_port_ethertype;
847 vlan->control_port_no_encrypt =
848 params->crypto.control_port_no_encrypt;
849 }
850
8860020e
JB		 851 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
852 sdata->vif.bss_conf.dtim_period = params->dtim_period;
853
854 sdata->vif.bss_conf.ssid_len = params->ssid_len;
855 if (params->ssid_len)
856 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
857 params->ssid_len);
858 sdata->vif.bss_conf.hidden_ssid =
859 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
860
861 err = ieee80211_assign_beacon(sdata, &params->beacon);
862 if (err < 0)
863 return err;
864 changed |= err;
865
866 ieee80211_bss_info_change_notify(sdata, changed);
867
3edaf3e6
JB		 868 netif_carrier_on(dev);
869 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
870 netif_carrier_on(vlan->dev);
871
665c93a9 872 return 0;
5dfdaf58
JB		 873}
874
8860020e
JB		 875static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
876 struct cfg80211_beacon_data *params)
5dfdaf58 877{
14db74bc 878 struct ieee80211_sub_if_data *sdata;
5dfdaf58 879 struct beacon_data *old;
8860020e 880 int err;
5dfdaf58 881
14db74bc
JB		 882 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
883
40b275b6 884 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 885 if (!old)
886 return -ENOENT;
887
8860020e
JB		 888 err = ieee80211_assign_beacon(sdata, params);
889 if (err < 0)
890 return err;
891 ieee80211_bss_info_change_notify(sdata, err);
892 return 0;
5dfdaf58
JB		 893}
894
8860020e 895static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 896{
3edaf3e6 897 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 898 struct beacon_data *old;
899
14db74bc
JB		 900 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
901
40b275b6 902 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 903 if (!old)
904 return -ENOENT;
905
3edaf3e6
JB		 906 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
907 netif_carrier_off(vlan->dev);
908 netif_carrier_off(dev);
909
a9b3cd7f 910 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 911
912 kfree_rcu(old, rcu_head);
5dfdaf58 913
2d0ddec5 914 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 915
2d0ddec5 916 return 0;
5dfdaf58
JB		 917}
918
4fd6931e
JB		 919/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
920struct iapp_layer2_update {
921 u8 da[ETH_ALEN]; /* broadcast */
922 u8 sa[ETH_ALEN]; /* STA addr */
923 __be16 len; /* 6 */
924 u8 dsap; /* 0 */
925 u8 ssap; /* 0 */
926 u8 control;
927 u8 xid_info[3];
bc10502d 928} __packed;
4fd6931e
JB		 929
930static void ieee80211_send_layer2_update(struct sta_info *sta)
931{
932 struct iapp_layer2_update *msg;
933 struct sk_buff *skb;
934
935 /* Send Level 2 Update Frame to update forwarding tables in layer 2
936 * bridge devices */
937
938 skb = dev_alloc_skb(sizeof(*msg));
939 if (!skb)
940 return;
941 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
942
943 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
944 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
945
946 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 947 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 948 msg->len = htons(6);
949 msg->dsap = 0;
950 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
951 msg->control = 0xaf; /* XID response lsb.1111F101.
952 * F=0 (no poll command; unsolicited frame) */
953 msg->xid_info[0] = 0x81; /* XID format identifier */
954 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
955 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
956
d0709a65
JB		 957 skb->dev = sta->sdata->dev;
958 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 959 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 960 netif_rx_ni(skb);
4fd6931e
JB		 961}
962
d9a7ddb0
JB		 963static int sta_apply_parameters(struct ieee80211_local *local,
964 struct sta_info *sta,
965 struct station_parameters *params)
4fd6931e 966{
d9a7ddb0 967 int ret = 0;
4fd6931e
JB		 968 u32 rates;
969 int i, j;
8318d78a 970 struct ieee80211_supported_band *sband;
d0709a65 971 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 972 u32 mask, set;
4fd6931e 973
ae5eb026
JB		 974 sband = local->hw.wiphy->bands[local->oper_channel->band];
975
eccb8e8f
JB		 976 mask = params->sta_flags_mask;
977 set = params->sta_flags_set;
73651ee6 978
d9a7ddb0
JB		 979 /*
980 * In mesh mode, we can clear AUTHENTICATED flag but must
981 * also make ASSOCIATED follow appropriately for the driver
982 * API. See also below, after AUTHORIZED changes.
983 */
984 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
985 /* cfg80211 should not allow this in non-mesh modes */
986 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
987 return -EINVAL;
988
989 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
990 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 991 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 992 if (ret)
993 return ret;
83d5cc01 994 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 995 if (ret)
996 return ret;
997 }
998 }
999
eccb8e8f 1000 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1001 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1002 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1003 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1004 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1005 if (ret)
1006 return ret;
1007 }
1008
1009 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1010 /* cfg80211 should not allow this in non-mesh modes */
1011 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1012 return -EINVAL;
1013
1014 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1015 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1016 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1017 if (ret)
1018 return ret;
83d5cc01 1019 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1020 if (ret)
1021 return ret;
1022 }
eccb8e8f 1023 }
4fd6931e 1024
d9a7ddb0 1025
eccb8e8f 1026 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1027 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1028 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1029 else
1030 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1031 }
4fd6931e 1032
eccb8e8f 1033 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1034 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1035 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1036 sta->sta.wme = true;
c2c98fde
JB		 1037 } else {
1038 clear_sta_flag(sta, WLAN_STA_WME);
1039 sta->sta.wme = false;
39df600a 1040 }
eccb8e8f 1041 }
5394af4d 1042
eccb8e8f 1043 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1044 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1045 set_sta_flag(sta, WLAN_STA_MFP);
1046 else
1047 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1048 }
b39c48fa 1049
07ba55d7 1050 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1051 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1052 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1053 else
1054 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1055 }
4fd6931e 1056
3b9ce80c
JB		 1057 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1058 sta->sta.uapsd_queues = params->uapsd_queues;
1059 sta->sta.max_sp = params->max_sp;
1060 }
9533b4ac 1061
51b50fbe
JB		 1062 /*
1063 * cfg80211 validates this (1-2007) and allows setting the AID
1064 * only when creating a new station entry
1065 */
1066 if (params->aid)
1067 sta->sta.aid = params->aid;
1068
73651ee6
JB		 1069 /*
1070 * FIXME: updating the following information is racy when this
1071 * function is called from ieee80211_change_station().
1072 * However, all this information should be static so
1073 * maybe we should just reject attemps to change it.
1074 */
1075
4fd6931e
JB		 1076 if (params->listen_interval >= 0)
1077 sta->listen_interval = params->listen_interval;
1078
1079 if (params->supported_rates) {
1080 rates = 0;
8318d78a 1081
4fd6931e
JB		 1082 for (i = 0; i < params->supported_rates_len; i++) {
1083 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1084 for (j = 0; j < sband->n_bitrates; j++) {
1085 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1086 rates |= BIT(j);
1087 }
1088 }
323ce79a 1089 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1090 }
c5dd9c2b 1091
d9fe60de 1092 if (params->ht_capa)
ef96a842 1093 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1094 params->ht_capa,
d9fe60de 1095 &sta->sta.ht_cap);
36aedc90 1096
9c3990aa 1097 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1098#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1099 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1100 switch (params->plink_state) {
57cf8043
JC		 1101 case NL80211_PLINK_LISTEN:
1102 case NL80211_PLINK_ESTAB:
1103 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1104 sta->plink_state = params->plink_state;
1105 break;
1106 default:
1107 /* nothing */
1108 break;
1109 }
1110 else
1111 switch (params->plink_action) {
1112 case PLINK_ACTION_OPEN:
1113 mesh_plink_open(sta);
1114 break;
1115 case PLINK_ACTION_BLOCK:
1116 mesh_plink_block(sta);
1117 break;
1118 }
4daf50f2 1119#endif
902acc78 1120 }
d9a7ddb0
JB		 1121
1122 return 0;
4fd6931e
JB		 1123}
1124
1125static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1126 u8 *mac, struct station_parameters *params)
1127{
14db74bc 1128 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1129 struct sta_info *sta;
1130 struct ieee80211_sub_if_data *sdata;
73651ee6 1131 int err;
b8d476c8 1132 int layer2_update;
4fd6931e 1133
4fd6931e
JB		 1134 if (params->vlan) {
1135 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1136
05c914fe
JB		 1137 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1138 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1139 return -EINVAL;
1140 } else
1141 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1142
b203ca39 1143 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1144 return -EINVAL;
1145
1146 if (is_multicast_ether_addr(mac))
1147 return -EINVAL;
1148
1149 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1150 if (!sta)
1151 return -ENOMEM;
4fd6931e 1152
83d5cc01
JB		 1153 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1154 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1155
d9a7ddb0
JB		 1156 err = sta_apply_parameters(local, sta, params);
1157 if (err) {
1158 sta_info_free(local, sta);
1159 return err;
1160 }
4fd6931e 1161
d64cf63e
AN		 1162 /*
1163 * for TDLS, rate control should be initialized only when supported
1164 * rates are known.
1165 */
1166 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1167 rate_control_rate_init(sta);
4fd6931e 1168
b8d476c8
JM		 1169 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1170 sdata->vif.type == NL80211_IFTYPE_AP;
1171
34e89507 1172 err = sta_info_insert_rcu(sta);
73651ee6 1173 if (err) {
73651ee6
JB		 1174 rcu_read_unlock();
1175 return err;
1176 }
1177
b8d476c8 1178 if (layer2_update)
73651ee6
JB		 1179 ieee80211_send_layer2_update(sta);
1180
1181 rcu_read_unlock();
1182
4fd6931e
JB		 1183 return 0;
1184}
1185
1186static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1187 u8 *mac)
1188{
14db74bc
JB		 1189 struct ieee80211_local *local = wiphy_priv(wiphy);
1190 struct ieee80211_sub_if_data *sdata;
4fd6931e 1191
14db74bc
JB		 1192 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1193
34e89507
JB		 1194 if (mac)
1195 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1196
34e89507 1197 sta_info_flush(local, sdata);
4fd6931e
JB		 1198 return 0;
1199}
1200
1201static int ieee80211_change_station(struct wiphy *wiphy,
1202 struct net_device *dev,
1203 u8 *mac,
1204 struct station_parameters *params)
1205{
abe60632 1206 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1207 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1208 struct sta_info *sta;
1209 struct ieee80211_sub_if_data *vlansdata;
35b88623 1210 int err;
4fd6931e 1211
87be1e1e 1212 mutex_lock(&local->sta_mtx);
98dd6a57 1213
0e5ded5a 1214 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1215 if (!sta) {
87be1e1e 1216 mutex_unlock(&local->sta_mtx);
4fd6931e 1217 return -ENOENT;
98dd6a57 1218 }
4fd6931e 1219
bdd90d5e
JB		 1220 /* in station mode, supported rates are only valid with TDLS */
1221 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1222 params->supported_rates &&
1223 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1224 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1225 return -EINVAL;
1226 }
1227
d0709a65 1228 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1229 bool prev_4addr = false;
1230 bool new_4addr = false;
1231
4fd6931e
JB		 1232 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1233
05c914fe
JB		 1234 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1235 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1236 mutex_unlock(&local->sta_mtx);
4fd6931e 1237 return -EINVAL;
98dd6a57 1238 }
4fd6931e 1239
9bc383de 1240 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1241 if (vlansdata->u.vlan.sta) {
87be1e1e 1242 mutex_unlock(&local->sta_mtx);
f14543ee 1243 return -EBUSY;
3305443c 1244 }
f14543ee 1245
cf778b00 1246 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1247 new_4addr = true;
1248 }
1249
1250 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1251 sta->sdata->u.vlan.sta) {
1252 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1253 prev_4addr = true;
f14543ee
FF		 1254 }
1255
14db74bc 1256 sta->sdata = vlansdata;
7e3ed02c
FF		 1257
1258 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1259 prev_4addr != new_4addr) {
1260 if (new_4addr)
1261 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1262 else
1263 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1264 }
1265
4fd6931e
JB		 1266 ieee80211_send_layer2_update(sta);
1267 }
1268
35b88623
EP		 1269 err = sta_apply_parameters(local, sta, params);
1270 if (err) {
1271 mutex_unlock(&local->sta_mtx);
1272 return err;
1273 }
4fd6931e 1274
d64cf63e
AN		 1275 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1276 rate_control_rate_init(sta);
1277
87be1e1e 1278 mutex_unlock(&local->sta_mtx);
98dd6a57 1279
808118cb
JY		 1280 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1281 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1282 ieee80211_recalc_ps(local, -1);
1283
4fd6931e
JB		 1284 return 0;
1285}
1286
c5dd9c2b
LCC		 1287#ifdef CONFIG_MAC80211_MESH
1288static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1289 u8 *dst, u8 *next_hop)
1290{
14db74bc 1291 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1292 struct mesh_path *mpath;
1293 struct sta_info *sta;
1294 int err;
1295
14db74bc
JB		 1296 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1297
d0709a65 1298 rcu_read_lock();
abe60632 1299 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1300 if (!sta) {
1301 rcu_read_unlock();
c5dd9c2b 1302 return -ENOENT;
d0709a65 1303 }
c5dd9c2b 1304
f698d856 1305 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1306 if (err) {
1307 rcu_read_unlock();
c5dd9c2b 1308 return err;
d0709a65 1309 }
c5dd9c2b 1310
f698d856 1311 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1312 if (!mpath) {
1313 rcu_read_unlock();
c5dd9c2b
LCC		 1314 return -ENXIO;
1315 }
1316 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1317
c5dd9c2b
LCC		 1318 rcu_read_unlock();
1319 return 0;
1320}
1321
1322static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1323 u8 *dst)
1324{
f698d856
JBG		 1325 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1326
c5dd9c2b 1327 if (dst)
f698d856 1328 return mesh_path_del(dst, sdata);
c5dd9c2b 1329
ece1a2e7 1330 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1331 return 0;
1332}
1333
1334static int ieee80211_change_mpath(struct wiphy *wiphy,
1335 struct net_device *dev,
1336 u8 *dst, u8 *next_hop)
1337{
14db74bc 1338 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1339 struct mesh_path *mpath;
1340 struct sta_info *sta;
1341
14db74bc
JB		 1342 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1343
d0709a65
JB		 1344 rcu_read_lock();
1345
abe60632 1346 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1347 if (!sta) {
1348 rcu_read_unlock();
c5dd9c2b 1349 return -ENOENT;
d0709a65 1350 }
c5dd9c2b 1351
f698d856 1352 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1353 if (!mpath) {
1354 rcu_read_unlock();
c5dd9c2b
LCC		 1355 return -ENOENT;
1356 }
1357
1358 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1359
c5dd9c2b
LCC		 1360 rcu_read_unlock();
1361 return 0;
1362}
1363
1364static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1365 struct mpath_info *pinfo)
1366{
a3836e02
JB		 1367 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1368
1369 if (next_hop_sta)
1370 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1371 else
1372 memset(next_hop, 0, ETH_ALEN);
1373
f5ea9120
JB		 1374 pinfo->generation = mesh_paths_generation;
1375
c5dd9c2b 1376 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1377 MPATH_INFO_SN |
c5dd9c2b
LCC		 1378 MPATH_INFO_METRIC |
1379 MPATH_INFO_EXPTIME |
1380 MPATH_INFO_DISCOVERY_TIMEOUT |
1381 MPATH_INFO_DISCOVERY_RETRIES |
1382 MPATH_INFO_FLAGS;
1383
1384 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1385 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1386 pinfo->metric = mpath->metric;
1387 if (time_before(jiffies, mpath->exp_time))
1388 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1389 pinfo->discovery_timeout =
1390 jiffies_to_msecs(mpath->discovery_timeout);
1391 pinfo->discovery_retries = mpath->discovery_retries;
1392 pinfo->flags = 0;
1393 if (mpath->flags & MESH_PATH_ACTIVE)
1394 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1395 if (mpath->flags & MESH_PATH_RESOLVING)
1396 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1397 if (mpath->flags & MESH_PATH_SN_VALID)
1398 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1399 if (mpath->flags & MESH_PATH_FIXED)
1400 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1401 if (mpath->flags & MESH_PATH_RESOLVING)
1402 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1403
1404 pinfo->flags = mpath->flags;
1405}
1406
1407static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1408 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1409
1410{
14db74bc 1411 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1412 struct mesh_path *mpath;
1413
14db74bc
JB		 1414 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1415
c5dd9c2b 1416 rcu_read_lock();
f698d856 1417 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1418 if (!mpath) {
1419 rcu_read_unlock();
1420 return -ENOENT;
1421 }
1422 memcpy(dst, mpath->dst, ETH_ALEN);
1423 mpath_set_pinfo(mpath, next_hop, pinfo);
1424 rcu_read_unlock();
1425 return 0;
1426}
1427
1428static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1429 int idx, u8 *dst, u8 *next_hop,
1430 struct mpath_info *pinfo)
1431{
14db74bc 1432 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1433 struct mesh_path *mpath;
1434
14db74bc
JB		 1435 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1436
c5dd9c2b 1437 rcu_read_lock();
f698d856 1438 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1439 if (!mpath) {
1440 rcu_read_unlock();
1441 return -ENOENT;
1442 }
1443 memcpy(dst, mpath->dst, ETH_ALEN);
1444 mpath_set_pinfo(mpath, next_hop, pinfo);
1445 rcu_read_unlock();
1446 return 0;
1447}
93da9cc1 1448
24bdd9f4 1449static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1450 struct net_device *dev,
1451 struct mesh_config *conf)
1452{
1453 struct ieee80211_sub_if_data *sdata;
1454 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1455
93da9cc1 1456 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1457 return 0;
1458}
1459
1460static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1461{
1462 return (mask >> (parm-1)) & 0x1;
1463}
1464
c80d545d
JC		 1465static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1466 const struct mesh_setup *setup)
1467{
1468 u8 *new_ie;
1469 const u8 *old_ie;
4bb62344
CYY		 1470 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1471 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1472
581a8b0f 1473 /* allocate information elements */
c80d545d 1474 new_ie = NULL;
581a8b0f 1475 old_ie = ifmsh->ie;
c80d545d 1476
581a8b0f
JC		 1477 if (setup->ie_len) {
1478 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1479 GFP_KERNEL);
1480 if (!new_ie)
1481 return -ENOMEM;
1482 }
581a8b0f
JC		 1483 ifmsh->ie_len = setup->ie_len;
1484 ifmsh->ie = new_ie;
1485 kfree(old_ie);
c80d545d
JC		 1486
1487 /* now copy the rest of the setup parameters */
1488 ifmsh->mesh_id_len = setup->mesh_id_len;
1489 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1490 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1491 ifmsh->mesh_pp_id = setup->path_sel_proto;
1492 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1493 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1494 if (setup->is_authenticated)
1495 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1496 if (setup->is_secure)
1497 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1498
4bb62344
CYY		 1499 /* mcast rate setting in Mesh Node */
1500 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1501 sizeof(setup->mcast_rate));
1502
c80d545d
JC		 1503 return 0;
1504}
1505
24bdd9f4 1506static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1507 struct net_device *dev, u32 mask,
1508 const struct mesh_config *nconf)
93da9cc1 1509{
1510 struct mesh_config *conf;
1511 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1512 struct ieee80211_if_mesh *ifmsh;
1513
93da9cc1 1514 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1515 ifmsh = &sdata->u.mesh;
93da9cc1 1516
93da9cc1 1517 /* Set the config options which we are interested in setting */
1518 conf = &(sdata->u.mesh.mshcfg);
1519 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1520 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1521 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1522 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1523 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1524 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1525 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1526 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1527 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1528 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1529 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1530 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC		 1531 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1532 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1533 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1534 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1535 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1536 conf->dot11MeshNbrOffsetMaxNeighbor =
1537 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1538 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1539 conf->dot11MeshHWMPmaxPREQretries =
1540 nconf->dot11MeshHWMPmaxPREQretries;
1541 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1542 conf->path_refresh_time = nconf->path_refresh_time;
1543 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1544 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1545 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1546 conf->dot11MeshHWMPactivePathTimeout =
1547 nconf->dot11MeshHWMPactivePathTimeout;
1548 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1549 conf->dot11MeshHWMPpreqMinInterval =
1550 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1551 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1552 conf->dot11MeshHWMPperrMinInterval =
1553 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1554 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1555 mask))
1556 conf->dot11MeshHWMPnetDiameterTraversalTime =
1557 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1558 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1559 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1560 ieee80211_mesh_root_setup(ifmsh);
1561 }
16dd7267 1562 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1563 /* our current gate announcement implementation rides on root
1564 * announcements, so require this ifmsh to also be a root node
1565 * */
1566 if (nconf->dot11MeshGateAnnouncementProtocol &&
1567 !conf->dot11MeshHWMPRootMode) {
1568 conf->dot11MeshHWMPRootMode = 1;
1569 ieee80211_mesh_root_setup(ifmsh);
1570 }
16dd7267
JC		 1571 conf->dot11MeshGateAnnouncementProtocol =
1572 nconf->dot11MeshGateAnnouncementProtocol;
1573 }
a4f606ea 1574 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1575 conf->dot11MeshHWMPRannInterval =
1576 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1577 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1578 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1579 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1580 /* our RSSI threshold implementation is supported only for
1581 * devices that report signal in dBm.
1582 */
1583 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1584 return -ENOTSUPP;
1585 conf->rssi_threshold = nconf->rssi_threshold;
1586 }
70c33eaa
AN		 1587 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1588 conf->ht_opmode = nconf->ht_opmode;
1589 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1591 }
93da9cc1 1592 return 0;
1593}
1594
29cbe68c
JB		 1595static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1596 const struct mesh_config *conf,
1597 const struct mesh_setup *setup)
1598{
1599 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1600 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1601 int err;
29cbe68c 1602
c80d545d
JC		 1603 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1604 err = copy_mesh_setup(ifmsh, setup);
1605 if (err)
1606 return err;
cc1d2806
JB		 1607
1608 err = ieee80211_set_channel(wiphy, dev, setup->channel,
1609 setup->channel_type);
1610 if (err)
1611 return err;
1612
29cbe68c
JB		 1613 ieee80211_start_mesh(sdata);
1614
1615 return 0;
1616}
1617
1618static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1619{
1620 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1621
1622 ieee80211_stop_mesh(sdata);
1623
1624 return 0;
1625}
c5dd9c2b
LCC		 1626#endif
1627
9f1ba906
JM		 1628static int ieee80211_change_bss(struct wiphy *wiphy,
1629 struct net_device *dev,
1630 struct bss_parameters *params)
1631{
9f1ba906
JM		 1632 struct ieee80211_sub_if_data *sdata;
1633 u32 changed = 0;
1634
9f1ba906
JM		 1635 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
9f1ba906 1637 if (params->use_cts_prot >= 0) {
bda3933a 1638 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1639 changed |= BSS_CHANGED_ERP_CTS_PROT;
1640 }
1641 if (params->use_short_preamble >= 0) {
bda3933a 1642 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1643 params->use_short_preamble;
1644 changed |= BSS_CHANGED_ERP_PREAMBLE;
1645 }
43d35343
FF		 1646
1647 if (!sdata->vif.bss_conf.use_short_slot &&
1648 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1649 sdata->vif.bss_conf.use_short_slot = true;
1650 changed |= BSS_CHANGED_ERP_SLOT;
1651 }
1652
9f1ba906 1653 if (params->use_short_slot_time >= 0) {
bda3933a 1654 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1655 params->use_short_slot_time;
1656 changed |= BSS_CHANGED_ERP_SLOT;
1657 }
1658
90c97a04
JM		 1659 if (params->basic_rates) {
1660 int i, j;
1661 u32 rates = 0;
1662 struct ieee80211_local *local = wiphy_priv(wiphy);
1663 struct ieee80211_supported_band *sband =
1664 wiphy->bands[local->oper_channel->band];
1665
1666 for (i = 0; i < params->basic_rates_len; i++) {
1667 int rate = (params->basic_rates[i] & 0x7f) * 5;
1668 for (j = 0; j < sband->n_bitrates; j++) {
1669 if (sband->bitrates[j].bitrate == rate)
1670 rates |= BIT(j);
1671 }
1672 }
1673 sdata->vif.bss_conf.basic_rates = rates;
1674 changed |= BSS_CHANGED_BASIC_RATES;
1675 }
1676
7b7b5e56
FF		 1677 if (params->ap_isolate >= 0) {
1678 if (params->ap_isolate)
1679 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1680 else
1681 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1682 }
1683
80d7e403
HS		 1684 if (params->ht_opmode >= 0) {
1685 sdata->vif.bss_conf.ht_operation_mode =
1686 (u16) params->ht_opmode;
1687 changed |= BSS_CHANGED_HT;
1688 }
1689
9f1ba906
JM		 1690 ieee80211_bss_info_change_notify(sdata, changed);
1691
1692 return 0;
1693}
1694
31888487 1695static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1696 struct net_device *dev,
31888487
JM		 1697 struct ieee80211_txq_params *params)
1698{
1699 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1700 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1701 struct ieee80211_tx_queue_params p;
1702
1703 if (!local->ops->conf_tx)
1704 return -EOPNOTSUPP;
1705
54bcbc69
JB		 1706 if (local->hw.queues < IEEE80211_NUM_ACS)
1707 return -EOPNOTSUPP;
1708
31888487
JM		 1709 memset(&p, 0, sizeof(p));
1710 p.aifs = params->aifs;
1711 p.cw_max = params->cwmax;
1712 p.cw_min = params->cwmin;
1713 p.txop = params->txop;
ab13315a
KV		 1714
1715 /*
1716 * Setting tx queue params disables u-apsd because it's only
1717 * called in master mode.
1718 */
1719 p.uapsd = false;
1720
a3304b0a
JB		 1721 sdata->tx_conf[params->ac] = p;
1722 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1723 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1724 "failed to set TX queue parameters for AC %d\n",
1725 params->ac);
31888487
JM		 1726 return -EINVAL;
1727 }
1728
1729 return 0;
1730}
1731
665af4fc 1732#ifdef CONFIG_PM
ff1b6e69
JB		 1733static int ieee80211_suspend(struct wiphy *wiphy,
1734 struct cfg80211_wowlan *wowlan)
665af4fc 1735{
eecc4800 1736 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1737}
1738
1739static int ieee80211_resume(struct wiphy *wiphy)
1740{
1741 return __ieee80211_resume(wiphy_priv(wiphy));
1742}
1743#else
1744#define ieee80211_suspend NULL
1745#define ieee80211_resume NULL
1746#endif
1747
2a519311
JB		 1748static int ieee80211_scan(struct wiphy *wiphy,
1749 struct net_device *dev,
1750 struct cfg80211_scan_request *req)
1751{
2ca27bcf 1752 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1753
2ca27bcf
JB		 1754 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1755 case NL80211_IFTYPE_STATION:
1756 case NL80211_IFTYPE_ADHOC:
1757 case NL80211_IFTYPE_MESH_POINT:
1758 case NL80211_IFTYPE_P2P_CLIENT:
1759 break;
1760 case NL80211_IFTYPE_P2P_GO:
1761 if (sdata->local->ops->hw_scan)
1762 break;
e9d7732e
JB		 1763 /*
1764 * FIXME: implement NoA while scanning in software,
1765 * for now fall through to allow scanning only when
1766 * beaconing hasn't been configured yet
1767 */
2ca27bcf
JB		 1768 case NL80211_IFTYPE_AP:
1769 if (sdata->u.ap.beacon)
1770 return -EOPNOTSUPP;
1771 break;
1772 default:
1773 return -EOPNOTSUPP;
1774 }
2a519311
JB		 1775
1776 return ieee80211_request_scan(sdata, req);
1777}
1778
79f460ca
LC		 1779static int
1780ieee80211_sched_scan_start(struct wiphy *wiphy,
1781 struct net_device *dev,
1782 struct cfg80211_sched_scan_request *req)
1783{
1784 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1785
1786 if (!sdata->local->ops->sched_scan_start)
1787 return -EOPNOTSUPP;
1788
1789 return ieee80211_request_sched_scan_start(sdata, req);
1790}
1791
1792static int
85a9994a 1793ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1794{
1795 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1796
1797 if (!sdata->local->ops->sched_scan_stop)
1798 return -EOPNOTSUPP;
1799
85a9994a 1800 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1801}
1802
636a5d36
JM		 1803static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1804 struct cfg80211_auth_request *req)
1805{
77fdaa12 1806 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1807}
1808
1809static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1810 struct cfg80211_assoc_request *req)
1811{
f444de05
JB		 1812 struct ieee80211_local *local = wiphy_priv(wiphy);
1813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1814
1815 switch (ieee80211_get_channel_mode(local, sdata)) {
1816 case CHAN_MODE_HOPPING:
1817 return -EBUSY;
1818 case CHAN_MODE_FIXED:
1819 if (local->oper_channel == req->bss->channel)
1820 break;
1821 return -EBUSY;
1822 case CHAN_MODE_UNDEFINED:
1823 break;
1824 }
1825
77fdaa12 1826 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1827}
1828
1829static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1830 struct cfg80211_deauth_request *req)
636a5d36 1831{
63c9c5e7 1832 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1833}
1834
1835static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1836 struct cfg80211_disassoc_request *req)
636a5d36 1837{
63c9c5e7 1838 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1839}
1840
af8cdcd8
JB		 1841static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1842 struct cfg80211_ibss_params *params)
1843{
f444de05 1844 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1845 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1846
f444de05
JB		 1847 switch (ieee80211_get_channel_mode(local, sdata)) {
1848 case CHAN_MODE_HOPPING:
1849 return -EBUSY;
1850 case CHAN_MODE_FIXED:
1851 if (!params->channel_fixed)
1852 return -EBUSY;
1853 if (local->oper_channel == params->channel)
1854 break;
1855 return -EBUSY;
1856 case CHAN_MODE_UNDEFINED:
1857 break;
1858 }
1859
af8cdcd8
JB		 1860 return ieee80211_ibss_join(sdata, params);
1861}
1862
1863static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1864{
1865 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1866
1867 return ieee80211_ibss_leave(sdata);
1868}
1869
b9a5f8ca
JM		 1870static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1871{
1872 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1873 int err;
b9a5f8ca 1874
f23a4780
AN		 1875 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1876 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1877
1878 if (err)
1879 return err;
1880 }
1881
310bc676
LT		 1882 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1883 err = drv_set_coverage_class(local, wiphy->coverage_class);
1884
1885 if (err)
1886 return err;
1887 }
1888
b9a5f8ca 1889 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1890 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1891
24487981
JB		 1892 if (err)
1893 return err;
b9a5f8ca
JM		 1894 }
1895
1896 if (changed & WIPHY_PARAM_RETRY_SHORT)
1897 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1898 if (changed & WIPHY_PARAM_RETRY_LONG)
1899 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1900 if (changed &
1901 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1902 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1903
1904 return 0;
1905}
1906
7643a2c3 1907static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1908 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1909{
1910 struct ieee80211_local *local = wiphy_priv(wiphy);
1911 struct ieee80211_channel *chan = local->hw.conf.channel;
1912 u32 changes = 0;
7643a2c3
JB		 1913
1914 switch (type) {
fa61cf70 1915 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1916 local->user_power_level = -1;
1917 break;
fa61cf70
JO		 1918 case NL80211_TX_POWER_LIMITED:
1919 if (mbm < 0 || (mbm % 100))
1920 return -EOPNOTSUPP;
1921 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1922 break;
fa61cf70
JO		 1923 case NL80211_TX_POWER_FIXED:
1924 if (mbm < 0 || (mbm % 100))
1925 return -EOPNOTSUPP;
7643a2c3 1926 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1927 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1928 return -EINVAL;
fa61cf70 1929 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1930 break;
7643a2c3
JB		 1931 }
1932
1933 ieee80211_hw_config(local, changes);
1934
1935 return 0;
1936}
1937
1938static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1939{
1940 struct ieee80211_local *local = wiphy_priv(wiphy);
1941
1942 *dbm = local->hw.conf.power_level;
1943
7643a2c3
JB		 1944 return 0;
1945}
1946
ab737a4f 1947static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1948 const u8 *addr)
ab737a4f
JB		 1949{
1950 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1951
1952 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1953
1954 return 0;
1955}
1956
1f87f7d3
JB		 1957static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1958{
1959 struct ieee80211_local *local = wiphy_priv(wiphy);
1960
1961 drv_rfkill_poll(local);
1962}
1963
aff89a9b 1964#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1965static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1966{
1967 struct ieee80211_local *local = wiphy_priv(wiphy);
1968
1969 if (!local->ops->testmode_cmd)
1970 return -EOPNOTSUPP;
1971
1972 return local->ops->testmode_cmd(&local->hw, data, len);
1973}
71063f0e
WYG		 1974
1975static int ieee80211_testmode_dump(struct wiphy *wiphy,
1976 struct sk_buff *skb,
1977 struct netlink_callback *cb,
1978 void *data, int len)
1979{
1980 struct ieee80211_local *local = wiphy_priv(wiphy);
1981
1982 if (!local->ops->testmode_dump)
1983 return -EOPNOTSUPP;
1984
1985 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1986}
aff89a9b
JB		 1987#endif
1988
0f78231b
JB		 1989int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1990 enum ieee80211_smps_mode smps_mode)
1991{
1992 const u8 *ap;
1993 enum ieee80211_smps_mode old_req;
1994 int err;
1995
243e6df4
JB		 1996 lockdep_assert_held(&sdata->u.mgd.mtx);
1997
0f78231b
JB		 1998 old_req = sdata->u.mgd.req_smps;
1999 sdata->u.mgd.req_smps = smps_mode;
2000
2001 if (old_req == smps_mode &&
2002 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2003 return 0;
2004
2005 /*
2006 * If not associated, or current association is not an HT
2007 * association, there's no need to send an action frame.
2008 */
2009 if (!sdata->u.mgd.associated ||
0aaffa9b 2010 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 2011 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 2012 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 2013 mutex_unlock(&sdata->local->iflist_mtx);
2014 return 0;
2015 }
2016
0c1ad2ca 2017 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2018
2019 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2020 if (sdata->u.mgd.powersave)
2021 smps_mode = IEEE80211_SMPS_DYNAMIC;
2022 else
2023 smps_mode = IEEE80211_SMPS_OFF;
2024 }
2025
2026 /* send SM PS frame to AP */
2027 err = ieee80211_send_smps_action(sdata, smps_mode,
2028 ap, ap);
2029 if (err)
2030 sdata->u.mgd.req_smps = old_req;
2031
2032 return err;
2033}
2034
bc92afd9
JB		 2035static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2036 bool enabled, int timeout)
2037{
2038 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2039 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2040
e5de30c9
BP		 2041 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2042 return -EOPNOTSUPP;
2043
bc92afd9
JB		 2044 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2045 return -EOPNOTSUPP;
2046
2047 if (enabled == sdata->u.mgd.powersave &&
ff616381 2048 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2049 return 0;
2050
2051 sdata->u.mgd.powersave = enabled;
ff616381 2052 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2053
0f78231b
JB		 2054 /* no change, but if automatic follow powersave */
2055 mutex_lock(&sdata->u.mgd.mtx);
2056 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2057 mutex_unlock(&sdata->u.mgd.mtx);
2058
bc92afd9
JB		 2059 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2060 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2061
2062 ieee80211_recalc_ps(local, -1);
2063
2064 return 0;
2065}
2066
a97c13c3
JO		 2067static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2068 struct net_device *dev,
2069 s32 rssi_thold, u32 rssi_hyst)
2070{
2071 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2072 struct ieee80211_vif *vif = &sdata->vif;
2073 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2074
a97c13c3
JO		 2075 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2076 rssi_hyst == bss_conf->cqm_rssi_hyst)
2077 return 0;
2078
2079 bss_conf->cqm_rssi_thold = rssi_thold;
2080 bss_conf->cqm_rssi_hyst = rssi_hyst;
2081
2082 /* tell the driver upon association, unless already associated */
ea086359
JB		 2083 if (sdata->u.mgd.associated &&
2084 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2085 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2086
2087 return 0;
2088}
2089
9930380f
JB		 2090static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2091 struct net_device *dev,
2092 const u8 *addr,
2093 const struct cfg80211_bitrate_mask *mask)
2094{
2095 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2096 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2097 int i, ret;
2c7e6bc9 2098
bdbfd6b5
SM		 2099 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2100 ret = drv_set_bitrate_mask(local, sdata, mask);
2101 if (ret)
2102 return ret;
2103 }
9930380f 2104
19468413 2105 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2106 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2107 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2108 sizeof(mask->control[i].mcs));
2109 }
9930380f 2110
37eb0b16 2111 return 0;
9930380f
JB		 2112}
2113
2eb278e0
JB		 2114static int ieee80211_start_roc_work(struct ieee80211_local *local,
2115 struct ieee80211_sub_if_data *sdata,
2116 struct ieee80211_channel *channel,
2117 enum nl80211_channel_type channel_type,
2118 unsigned int duration, u64 *cookie,
2119 struct sk_buff *txskb)
2120{
2121 struct ieee80211_roc_work *roc, *tmp;
2122 bool queued = false;
21f83589 2123 int ret;
21f83589
JB		 2124
2125 lockdep_assert_held(&local->mtx);
2126
2eb278e0
JB		 2127 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2128 if (!roc)
2129 return -ENOMEM;
2130
2131 roc->chan = channel;
2132 roc->chan_type = channel_type;
2133 roc->duration = duration;
2134 roc->req_duration = duration;
2135 roc->frame = txskb;
2136 roc->mgmt_tx_cookie = (unsigned long)txskb;
2137 roc->sdata = sdata;
2138 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2139 INIT_LIST_HEAD(&roc->dependents);
2140
2141 /* if there's one pending or we're scanning, queue this one */
2142 if (!list_empty(&local->roc_list) || local->scanning)
2143 goto out_check_combine;
2144
2145 /* if not HW assist, just queue & schedule work */
2146 if (!local->ops->remain_on_channel) {
2147 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2148 goto out_queue;
2149 }
2150
2151 /* otherwise actually kick it off here (for error handling) */
2152
2153 /*
2154 * If the duration is zero, then the driver
2155 * wouldn't actually do anything. Set it to
2156 * 10 for now.
2157 *
2158 * TODO: cancel the off-channel operation
2159 * when we get the SKB's TX status and
2160 * the wait time was zero before.
2161 */
2162 if (!duration)
2163 duration = 10;
2164
2165 ret = drv_remain_on_channel(local, channel, channel_type, duration);
21f83589 2166 if (ret) {
2eb278e0
JB		 2167 kfree(roc);
2168 return ret;
21f83589
JB		 2169 }
2170
2eb278e0
JB		 2171 roc->started = true;
2172 goto out_queue;
2173
2174 out_check_combine:
2175 list_for_each_entry(tmp, &local->roc_list, list) {
2176 if (tmp->chan != channel || tmp->chan_type != channel_type)
2177 continue;
2178
2179 /*
2180 * Extend this ROC if possible:
2181 *
2182 * If it hasn't started yet, just increase the duration
2183 * and add the new one to the list of dependents.
2184 */
2185 if (!tmp->started) {
2186 list_add_tail(&roc->list, &tmp->dependents);
2187 tmp->duration = max(tmp->duration, roc->duration);
2188 queued = true;
2189 break;
2190 }
2191
2192 /* If it has already started, it's more difficult ... */
2193 if (local->ops->remain_on_channel) {
2194 unsigned long j = jiffies;
2195
2196 /*
2197 * In the offloaded ROC case, if it hasn't begun, add
2198 * this new one to the dependent list to be handled
2199 * when the the master one begins. If it has begun,
2200 * check that there's still a minimum time left and
2201 * if so, start this one, transmitting the frame, but
2202 * add it to the list directly after this one with a
2203 * a reduced time so we'll ask the driver to execute
2204 * it right after finishing the previous one, in the
2205 * hope that it'll also be executed right afterwards,
2206 * effectively extending the old one.
2207 * If there's no minimum time left, just add it to the
2208 * normal list.
2209 */
2210 if (!tmp->hw_begun) {
2211 list_add_tail(&roc->list, &tmp->dependents);
2212 queued = true;
2213 break;
2214 }
2215
2216 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2217 tmp->hw_start_time +
2218 msecs_to_jiffies(tmp->duration))) {
2219 int new_dur;
2220
2221 ieee80211_handle_roc_started(roc);
2222
2223 new_dur = roc->duration -
2224 jiffies_to_msecs(tmp->hw_start_time +
2225 msecs_to_jiffies(
2226 tmp->duration) -
2227 j);
2228
2229 if (new_dur > 0) {
2230 /* add right after tmp */
2231 list_add(&roc->list, &tmp->list);
2232 } else {
2233 list_add_tail(&roc->list,
2234 &tmp->dependents);
2235 }
2236 queued = true;
2237 }
2238 } else if (del_timer_sync(&tmp->work.timer)) {
2239 unsigned long new_end;
2240
2241 /*
2242 * In the software ROC case, cancel the timer, if
2243 * that fails then the finish work is already
2244 * queued/pending and thus we queue the new ROC
2245 * normally, if that succeeds then we can extend
2246 * the timer duration and TX the frame (if any.)
2247 */
2248
2249 list_add_tail(&roc->list, &tmp->dependents);
2250 queued = true;
2251
2252 new_end = jiffies + msecs_to_jiffies(roc->duration);
2253
2254 /* ok, it was started & we canceled timer */
2255 if (time_after(new_end, tmp->work.timer.expires))
2256 mod_timer(&tmp->work.timer, new_end);
2257 else
2258 add_timer(&tmp->work.timer);
2259
2260 ieee80211_handle_roc_started(roc);
2261 }
2262 break;
2263 }
2264
2265 out_queue:
2266 if (!queued)
2267 list_add_tail(&roc->list, &local->roc_list);
2268
2269 /*
2270 * cookie is either the roc (for normal roc)
2271 * or the SKB (for mgmt TX)
2272 */
2273 if (txskb)
2274 *cookie = (unsigned long)txskb;
2275 else
2276 *cookie = (unsigned long)roc;
2277
2278 return 0;
21f83589
JB		 2279}
2280
b8bc4b0a
JB		 2281static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2282 struct net_device *dev,
2283 struct ieee80211_channel *chan,
2284 enum nl80211_channel_type channel_type,
2285 unsigned int duration,
2286 u64 *cookie)
2287{
2288 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589 2289 struct ieee80211_local *local = sdata->local;
2eb278e0 2290 int ret;
21f83589 2291
2eb278e0
JB		 2292 mutex_lock(&local->mtx);
2293 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2294 duration, cookie, NULL);
2295 mutex_unlock(&local->mtx);
b8bc4b0a 2296
2eb278e0 2297 return ret;
b8bc4b0a
JB		 2298}
2299
2eb278e0
JB		 2300static int ieee80211_cancel_roc(struct ieee80211_local *local,
2301 u64 cookie, bool mgmt_tx)
21f83589 2302{
2eb278e0 2303 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2304 int ret;
2305
2eb278e0
JB		 2306 mutex_lock(&local->mtx);
2307 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2308 struct ieee80211_roc_work *dep, *tmp2;
2309
2310 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2311 if (!mgmt_tx && (unsigned long)dep != cookie)
2312 continue;
2313 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2314 continue;
2315 /* found dependent item -- just remove it */
2316 list_del(&dep->list);
2317 mutex_unlock(&local->mtx);
2318
2319 ieee80211_roc_notify_destroy(dep);
2320 return 0;
2321 }
2322
2eb278e0
JB		 2323 if (!mgmt_tx && (unsigned long)roc != cookie)
2324 continue;
2325 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2326 continue;
21f83589 2327
2eb278e0
JB		 2328 found = roc;
2329 break;
2330 }
21f83589 2331
2eb278e0
JB		 2332 if (!found) {
2333 mutex_unlock(&local->mtx);
2334 return -ENOENT;
2335 }
21f83589 2336
e979e33c
JB		 2337 /*
2338 * We found the item to cancel, so do that. Note that it
2339 * may have dependents, which we also cancel (and send
2340 * the expired signal for.) Not doing so would be quite
2341 * tricky here, but we may need to fix it later.
2342 */
2343
2eb278e0
JB		 2344 if (local->ops->remain_on_channel) {
2345 if (found->started) {
2346 ret = drv_cancel_remain_on_channel(local);
2347 if (WARN_ON_ONCE(ret)) {
2348 mutex_unlock(&local->mtx);
2349 return ret;
2350 }
2351 }
21f83589 2352
2eb278e0 2353 list_del(&found->list);
21f83589 2354
2eb278e0
JB		 2355 ieee80211_start_next_roc(local);
2356 mutex_unlock(&local->mtx);
21f83589 2357
2eb278e0
JB		 2358 ieee80211_roc_notify_destroy(found);
2359 } else {
2360 /* work may be pending so use it all the time */
2361 found->abort = true;
2362 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2363
21f83589
JB		 2364 mutex_unlock(&local->mtx);
2365
2eb278e0
JB		 2366 /* work will clean up etc */
2367 flush_delayed_work(&found->work);
21f83589 2368 }
b8bc4b0a 2369
2eb278e0 2370 return 0;
b8bc4b0a
JB		 2371}
2372
2eb278e0
JB		 2373static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2374 struct net_device *dev,
2375 u64 cookie)
f30221e4 2376{
2eb278e0
JB		 2377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2378 struct ieee80211_local *local = sdata->local;
f30221e4 2379
2eb278e0 2380 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2381}
2382
2e161f78 2383static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 2384 struct ieee80211_channel *chan, bool offchan,
2e161f78 2385 enum nl80211_channel_type channel_type,
f7ca38df 2386 bool channel_type_valid, unsigned int wait,
e9f935e3 2387 const u8 *buf, size_t len, bool no_cck,
e247bd90 2388 bool dont_wait_for_ack, u64 *cookie)
026331c4 2389{
9d38d85d
JB		 2390 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2391 struct ieee80211_local *local = sdata->local;
2392 struct sk_buff *skb;
2393 struct sta_info *sta;
2394 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2395 bool need_offchan = false;
e247bd90 2396 u32 flags;
2eb278e0 2397 int ret;
f7ca38df 2398
e247bd90
JB		 2399 if (dont_wait_for_ack)
2400 flags = IEEE80211_TX_CTL_NO_ACK;
2401 else
2402 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2403 IEEE80211_TX_CTL_REQ_TX_STATUS;
2404
aad14ceb
RM		 2405 if (no_cck)
2406 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2407
9d38d85d
JB		 2408 switch (sdata->vif.type) {
2409 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2410 if (!sdata->vif.bss_conf.ibss_joined)
2411 need_offchan = true;
2412 /* fall through */
2413#ifdef CONFIG_MAC80211_MESH
2414 case NL80211_IFTYPE_MESH_POINT:
2415 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2416 !sdata->u.mesh.mesh_id_len)
2417 need_offchan = true;
2418 /* fall through */
2419#endif
663fcafd
JB		 2420 case NL80211_IFTYPE_AP:
2421 case NL80211_IFTYPE_AP_VLAN:
2422 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2423 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2424 !ieee80211_vif_is_mesh(&sdata->vif) &&
2425 !rcu_access_pointer(sdata->bss->beacon))
2426 need_offchan = true;
663fcafd
JB		 2427 if (!ieee80211_is_action(mgmt->frame_control) ||
2428 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2429 break;
2430 rcu_read_lock();
2431 sta = sta_info_get(sdata, mgmt->da);
2432 rcu_read_unlock();
2433 if (!sta)
2434 return -ENOLINK;
2435 break;
2436 case NL80211_IFTYPE_STATION:
663fcafd 2437 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2438 if (!sdata->u.mgd.associated)
2439 need_offchan = true;
9d38d85d
JB		 2440 break;
2441 default:
2442 return -EOPNOTSUPP;
2443 }
2444
2eb278e0
JB		 2445 mutex_lock(&local->mtx);
2446
2447 /* Check if the operating channel is the requested channel */
2448 if (!need_offchan) {
2449 need_offchan = chan != local->oper_channel;
2450 if (channel_type_valid &&
2451 channel_type != local->_oper_channel_type)
2452 need_offchan = true;
2453 }
2454
2455 if (need_offchan && !offchan) {
2456 ret = -EBUSY;
2457 goto out_unlock;
2458 }
2459
9d38d85d 2460 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2461 if (!skb) {
2462 ret = -ENOMEM;
2463 goto out_unlock;
2464 }
9d38d85d
JB		 2465 skb_reserve(skb, local->hw.extra_tx_headroom);
2466
2467 memcpy(skb_put(skb, len), buf, len);
2468
2469 IEEE80211_SKB_CB(skb)->flags = flags;
2470
2471 skb->dev = sdata->dev;
9d38d85d 2472
2eb278e0 2473 if (!need_offchan) {
f30221e4 2474 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2475 ret = 0;
2476 goto out_unlock;
f30221e4
JB		 2477 }
2478
2eb278e0
JB		 2479 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2480 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2481 IEEE80211_SKB_CB(skb)->hw_queue =
2482 local->hw.offchannel_tx_hw_queue;
f30221e4 2483
2eb278e0
JB		 2484 /* This will handle all kinds of coalescing and immediate TX */
2485 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2486 wait, cookie, skb);
2487 if (ret)
2488 kfree_skb(skb);
2489 out_unlock:
2490 mutex_unlock(&local->mtx);
2491 return ret;
026331c4
JM		 2492}
2493
f30221e4
JB		 2494static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2495 struct net_device *dev,
2496 u64 cookie)
2497{
2498 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2499 struct ieee80211_local *local = sdata->local;
f30221e4 2500
2eb278e0 2501 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2502}
2503
7be5086d
JB		 2504static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2505 struct net_device *dev,
2506 u16 frame_type, bool reg)
2507{
2508 struct ieee80211_local *local = wiphy_priv(wiphy);
2509
2510 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2511 return;
2512
2513 if (reg)
2514 local->probe_req_reg++;
2515 else
2516 local->probe_req_reg--;
2517
2518 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2519}
2520
15d96753
BR		 2521static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2522{
2523 struct ieee80211_local *local = wiphy_priv(wiphy);
2524
2525 if (local->started)
2526 return -EOPNOTSUPP;
2527
2528 return drv_set_antenna(local, tx_ant, rx_ant);
2529}
2530
2531static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2532{
2533 struct ieee80211_local *local = wiphy_priv(wiphy);
2534
2535 return drv_get_antenna(local, tx_ant, rx_ant);
2536}
2537
38c09159
JL		 2538static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2539{
2540 struct ieee80211_local *local = wiphy_priv(wiphy);
2541
2542 return drv_set_ringparam(local, tx, rx);
2543}
2544
2545static void ieee80211_get_ringparam(struct wiphy *wiphy,
2546 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2547{
2548 struct ieee80211_local *local = wiphy_priv(wiphy);
2549
2550 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2551}
2552
c68f4b89
JB		 2553static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2554 struct net_device *dev,
2555 struct cfg80211_gtk_rekey_data *data)
2556{
2557 struct ieee80211_local *local = wiphy_priv(wiphy);
2558 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2559
2560 if (!local->ops->set_rekey_data)
2561 return -EOPNOTSUPP;
2562
2563 drv_set_rekey_data(local, sdata, data);
2564
2565 return 0;
2566}
2567
dfe018bf
AN		 2568static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2569{
2570 u8 *pos = (void *)skb_put(skb, 7);
2571
2572 *pos++ = WLAN_EID_EXT_CAPABILITY;
2573 *pos++ = 5; /* len */
2574 *pos++ = 0x0;
2575 *pos++ = 0x0;
2576 *pos++ = 0x0;
2577 *pos++ = 0x0;
2578 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2579}
2580
2581static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2582{
2583 struct ieee80211_local *local = sdata->local;
2584 u16 capab;
2585
2586 capab = 0;
2587 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2588 return capab;
2589
2590 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2591 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2592 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2593 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2594
2595 return capab;
2596}
2597
2598static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2599 u8 *peer, u8 *bssid)
2600{
2601 struct ieee80211_tdls_lnkie *lnkid;
2602
2603 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2604
2605 lnkid->ie_type = WLAN_EID_LINK_ID;
2606 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2607
2608 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2609 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2610 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2611}
2612
2613static int
2614ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2615 u8 *peer, u8 action_code, u8 dialog_token,
2616 u16 status_code, struct sk_buff *skb)
2617{
2618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2619 struct ieee80211_tdls_data *tf;
2620
2621 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2622
2623 memcpy(tf->da, peer, ETH_ALEN);
2624 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2625 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2626 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2627
2628 switch (action_code) {
2629 case WLAN_TDLS_SETUP_REQUEST:
2630 tf->category = WLAN_CATEGORY_TDLS;
2631 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2632
2633 skb_put(skb, sizeof(tf->u.setup_req));
2634 tf->u.setup_req.dialog_token = dialog_token;
2635 tf->u.setup_req.capability =
2636 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2637
657c3e0c
AN		 2638 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2639 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2640 ieee80211_tdls_add_ext_capab(skb);
2641 break;
2642 case WLAN_TDLS_SETUP_RESPONSE:
2643 tf->category = WLAN_CATEGORY_TDLS;
2644 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2645
2646 skb_put(skb, sizeof(tf->u.setup_resp));
2647 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2648 tf->u.setup_resp.dialog_token = dialog_token;
2649 tf->u.setup_resp.capability =
2650 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2651
657c3e0c
AN		 2652 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2653 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2654 ieee80211_tdls_add_ext_capab(skb);
2655 break;
2656 case WLAN_TDLS_SETUP_CONFIRM:
2657 tf->category = WLAN_CATEGORY_TDLS;
2658 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2659
2660 skb_put(skb, sizeof(tf->u.setup_cfm));
2661 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2662 tf->u.setup_cfm.dialog_token = dialog_token;
2663 break;
2664 case WLAN_TDLS_TEARDOWN:
2665 tf->category = WLAN_CATEGORY_TDLS;
2666 tf->action_code = WLAN_TDLS_TEARDOWN;
2667
2668 skb_put(skb, sizeof(tf->u.teardown));
2669 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2670 break;
2671 case WLAN_TDLS_DISCOVERY_REQUEST:
2672 tf->category = WLAN_CATEGORY_TDLS;
2673 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2674
2675 skb_put(skb, sizeof(tf->u.discover_req));
2676 tf->u.discover_req.dialog_token = dialog_token;
2677 break;
2678 default:
2679 return -EINVAL;
2680 }
2681
2682 return 0;
2683}
2684
2685static int
2686ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2687 u8 *peer, u8 action_code, u8 dialog_token,
2688 u16 status_code, struct sk_buff *skb)
2689{
2690 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2691 struct ieee80211_mgmt *mgmt;
2692
2693 mgmt = (void *)skb_put(skb, 24);
2694 memset(mgmt, 0, 24);
2695 memcpy(mgmt->da, peer, ETH_ALEN);
2696 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2697 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2698
2699 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2700 IEEE80211_STYPE_ACTION);
2701
2702 switch (action_code) {
2703 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2704 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2705 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2706 mgmt->u.action.u.tdls_discover_resp.action_code =
2707 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2708 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2709 dialog_token;
2710 mgmt->u.action.u.tdls_discover_resp.capability =
2711 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2712
657c3e0c
AN		 2713 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2714 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
dfe018bf
AN		 2715 ieee80211_tdls_add_ext_capab(skb);
2716 break;
2717 default:
2718 return -EINVAL;
2719 }
2720
2721 return 0;
2722}
2723
2724static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2725 u8 *peer, u8 action_code, u8 dialog_token,
2726 u16 status_code, const u8 *extra_ies,
2727 size_t extra_ies_len)
2728{
2729 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2730 struct ieee80211_local *local = sdata->local;
2731 struct ieee80211_tx_info *info;
2732 struct sk_buff *skb = NULL;
2733 bool send_direct;
2734 int ret;
2735
2736 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2737 return -ENOTSUPP;
2738
2739 /* make sure we are in managed mode, and associated */
2740 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2741 !sdata->u.mgd.associated)
2742 return -EINVAL;
2743
2744#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2745 pr_debug("TDLS mgmt action %d peer %pM\n", action_code, peer);
dfe018bf
AN		 2746#endif
2747
2748 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2749 max(sizeof(struct ieee80211_mgmt),
2750 sizeof(struct ieee80211_tdls_data)) +
2751 50 + /* supported rates */
2752 7 + /* ext capab */
2753 extra_ies_len +
2754 sizeof(struct ieee80211_tdls_lnkie));
2755 if (!skb)
2756 return -ENOMEM;
2757
2758 info = IEEE80211_SKB_CB(skb);
2759 skb_reserve(skb, local->hw.extra_tx_headroom);
2760
2761 switch (action_code) {
2762 case WLAN_TDLS_SETUP_REQUEST:
2763 case WLAN_TDLS_SETUP_RESPONSE:
2764 case WLAN_TDLS_SETUP_CONFIRM:
2765 case WLAN_TDLS_TEARDOWN:
2766 case WLAN_TDLS_DISCOVERY_REQUEST:
2767 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2768 action_code, dialog_token,
2769 status_code, skb);
2770 send_direct = false;
2771 break;
2772 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2773 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2774 dialog_token, status_code,
2775 skb);
2776 send_direct = true;
2777 break;
2778 default:
2779 ret = -ENOTSUPP;
2780 break;
2781 }
2782
2783 if (ret < 0)
2784 goto fail;
2785
2786 if (extra_ies_len)
2787 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2788
2789 /* the TDLS link IE is always added last */
2790 switch (action_code) {
2791 case WLAN_TDLS_SETUP_REQUEST:
2792 case WLAN_TDLS_SETUP_CONFIRM:
2793 case WLAN_TDLS_TEARDOWN:
2794 case WLAN_TDLS_DISCOVERY_REQUEST:
2795 /* we are the initiator */
2796 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2797 sdata->u.mgd.bssid);
2798 break;
2799 case WLAN_TDLS_SETUP_RESPONSE:
2800 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2801 /* we are the responder */
2802 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2803 sdata->u.mgd.bssid);
2804 break;
2805 default:
2806 ret = -ENOTSUPP;
2807 goto fail;
2808 }
2809
2810 if (send_direct) {
2811 ieee80211_tx_skb(sdata, skb);
2812 return 0;
2813 }
2814
2815 /*
2816 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2817 * we should default to AC_VI.
2818 */
2819 switch (action_code) {
2820 case WLAN_TDLS_SETUP_REQUEST:
2821 case WLAN_TDLS_SETUP_RESPONSE:
2822 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2823 skb->priority = 2;
2824 break;
2825 default:
2826 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2827 skb->priority = 5;
2828 break;
2829 }
2830
2831 /* disable bottom halves when entering the Tx path */
2832 local_bh_disable();
2833 ret = ieee80211_subif_start_xmit(skb, dev);
2834 local_bh_enable();
2835
2836 return ret;
2837
2838fail:
2839 dev_kfree_skb(skb);
2840 return ret;
2841}
2842
2843static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2844 u8 *peer, enum nl80211_tdls_operation oper)
2845{
941c93cd 2846 struct sta_info *sta;
dfe018bf
AN		 2847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2848
2849 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2850 return -ENOTSUPP;
2851
2852 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2853 return -EINVAL;
2854
2855#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
f0d23208 2856 pr_debug("TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2857#endif
2858
2859 switch (oper) {
2860 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2861 rcu_read_lock();
2862 sta = sta_info_get(sdata, peer);
2863 if (!sta) {
2864 rcu_read_unlock();
2865 return -ENOLINK;
2866 }
2867
c2c98fde 2868 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2869 rcu_read_unlock();
dfe018bf
AN		 2870 break;
2871 case NL80211_TDLS_DISABLE_LINK:
2872 return sta_info_destroy_addr(sdata, peer);
2873 case NL80211_TDLS_TEARDOWN:
2874 case NL80211_TDLS_SETUP:
2875 case NL80211_TDLS_DISCOVERY_REQ:
2876 /* We don't support in-driver setup/teardown/discovery */
2877 return -ENOTSUPP;
2878 default:
2879 return -ENOTSUPP;
2880 }
2881
2882 return 0;
2883}
2884
06500736
JB		 2885static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2886 const u8 *peer, u64 *cookie)
2887{
2888 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2889 struct ieee80211_local *local = sdata->local;
2890 struct ieee80211_qos_hdr *nullfunc;
2891 struct sk_buff *skb;
2892 int size = sizeof(*nullfunc);
2893 __le16 fc;
2894 bool qos;
2895 struct ieee80211_tx_info *info;
2896 struct sta_info *sta;
2897
2898 rcu_read_lock();
2899 sta = sta_info_get(sdata, peer);
b4487c2d 2900 if (sta) {
06500736 2901 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2902 rcu_read_unlock();
2903 } else {
2904 rcu_read_unlock();
06500736 2905 return -ENOLINK;
b4487c2d 2906 }
06500736
JB		 2907
2908 if (qos) {
2909 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2910 IEEE80211_STYPE_QOS_NULLFUNC |
2911 IEEE80211_FCTL_FROMDS);
2912 } else {
2913 size -= 2;
2914 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2915 IEEE80211_STYPE_NULLFUNC |
2916 IEEE80211_FCTL_FROMDS);
2917 }
2918
2919 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2920 if (!skb)
2921 return -ENOMEM;
2922
2923 skb->dev = dev;
2924
2925 skb_reserve(skb, local->hw.extra_tx_headroom);
2926
2927 nullfunc = (void *) skb_put(skb, size);
2928 nullfunc->frame_control = fc;
2929 nullfunc->duration_id = 0;
2930 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2931 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2932 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2933 nullfunc->seq_ctrl = 0;
2934
2935 info = IEEE80211_SKB_CB(skb);
2936
2937 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2938 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2939
2940 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2941 skb->priority = 7;
2942 if (qos)
2943 nullfunc->qos_ctrl = cpu_to_le16(7);
2944
2945 local_bh_disable();
2946 ieee80211_xmit(sdata, skb);
2947 local_bh_enable();
2948
2949 *cookie = (unsigned long) skb;
2950 return 0;
2951}
2952
e999882a 2953static struct ieee80211_channel *
d91df0e3
PF		 2954ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2955 enum nl80211_channel_type *type)
e999882a
JB		 2956{
2957 struct ieee80211_local *local = wiphy_priv(wiphy);
2958
d91df0e3 2959 *type = local->_oper_channel_type;
e999882a
JB		 2960 return local->oper_channel;
2961}
2962
6d52563f
JB		 2963#ifdef CONFIG_PM
2964static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2965{
2966 drv_set_wakeup(wiphy_priv(wiphy), enabled);
2967}
2968#endif
2969
f0706e82
JB		 2970struct cfg80211_ops mac80211_config_ops = {
2971 .add_virtual_intf = ieee80211_add_iface,
2972 .del_virtual_intf = ieee80211_del_iface,
42613db7 2973 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 2974 .add_key = ieee80211_add_key,
2975 .del_key = ieee80211_del_key,
62da92fb 2976 .get_key = ieee80211_get_key,
e8cbb4cb 2977 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2978 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 2979 .start_ap = ieee80211_start_ap,
2980 .change_beacon = ieee80211_change_beacon,
2981 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 2982 .add_station = ieee80211_add_station,
2983 .del_station = ieee80211_del_station,
2984 .change_station = ieee80211_change_station,
7bbdd2d9 2985 .get_station = ieee80211_get_station,
c5dd9c2b 2986 .dump_station = ieee80211_dump_station,
1289723e 2987 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 2988#ifdef CONFIG_MAC80211_MESH
2989 .add_mpath = ieee80211_add_mpath,
2990 .del_mpath = ieee80211_del_mpath,
2991 .change_mpath = ieee80211_change_mpath,
2992 .get_mpath = ieee80211_get_mpath,
2993 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 2994 .update_mesh_config = ieee80211_update_mesh_config,
2995 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 2996 .join_mesh = ieee80211_join_mesh,
2997 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2998#endif
9f1ba906 2999 .change_bss = ieee80211_change_bss,
31888487 3000 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3001 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3002 .suspend = ieee80211_suspend,
3003 .resume = ieee80211_resume,
2a519311 3004 .scan = ieee80211_scan,
79f460ca
LC		 3005 .sched_scan_start = ieee80211_sched_scan_start,
3006 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3007 .auth = ieee80211_auth,
3008 .assoc = ieee80211_assoc,
3009 .deauth = ieee80211_deauth,
3010 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3011 .join_ibss = ieee80211_join_ibss,
3012 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 3013 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3014 .set_tx_power = ieee80211_set_tx_power,
3015 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3016 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3017 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3018 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3019 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3020 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3021 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3022 .remain_on_channel = ieee80211_remain_on_channel,
3023 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3024 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3025 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3026 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3027 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3028 .set_antenna = ieee80211_set_antenna,
3029 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3030 .set_ringparam = ieee80211_set_ringparam,
3031 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3032 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3033 .tdls_oper = ieee80211_tdls_oper,
3034 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3035 .probe_client = ieee80211_probe_client,
e999882a 3036 .get_channel = ieee80211_wiphy_get_channel,
b53be792 3037 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3038#ifdef CONFIG_PM
3039 .set_wakeup = ieee80211_set_wakeup,
3040#endif
b1ab7925
BG		 3041 .get_et_sset_count = ieee80211_get_et_sset_count,
3042 .get_et_stats = ieee80211_get_et_stats,
3043 .get_et_strings = ieee80211_get_et_strings,
f0706e82 3044};
kernel source for telekom puls (alcatel/mediatek)