mac80211: use station mutex in configuration
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB
1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB
5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB
10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB
16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
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
c5dd9c2b
LCC
339static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
340{
d0709a65 341 struct ieee80211_sub_if_data *sdata = sta->sdata;
ebe27c91 342 struct timespec uptime;
c5dd9c2b 343
f5ea9120
JB
344 sinfo->generation = sdata->local->sta_generation;
345
c5dd9c2b
LCC
346 sinfo->filled = STATION_INFO_INACTIVE_TIME |
347 STATION_INFO_RX_BYTES |
420e7fab 348 STATION_INFO_TX_BYTES |
98c8a60a
JM
349 STATION_INFO_RX_PACKETS |
350 STATION_INFO_TX_PACKETS |
b206b4ef
BR
351 STATION_INFO_TX_RETRIES |
352 STATION_INFO_TX_FAILED |
5a5c731a 353 STATION_INFO_TX_BITRATE |
3af6334c 354 STATION_INFO_RX_BITRATE |
f4263c98 355 STATION_INFO_RX_DROP_MISC |
ebe27c91 356 STATION_INFO_BSS_PARAM |
7a724767
HS
357 STATION_INFO_CONNECTED_TIME |
358 STATION_INFO_STA_FLAGS;
ebe27c91
MSS
359
360 do_posix_clock_monotonic_gettime(&uptime);
361 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC
362
363 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
364 sinfo->rx_bytes = sta->rx_bytes;
365 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM
366 sinfo->rx_packets = sta->rx_packets;
367 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR
368 sinfo->tx_retries = sta->tx_retry_count;
369 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 370 sinfo->rx_dropped_misc = sta->rx_dropped;
c5dd9c2b 371
19deffbe
JL
372 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
373 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 374 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
420e7fab 375 sinfo->signal = (s8)sta->last_signal;
541a45a1 376 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR
377 }
378
379 sinfo->txrate.flags = 0;
380 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
381 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
382 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
383 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
384 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
385 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
3af6334c
FF
386 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
387
388 sinfo->rxrate.flags = 0;
389 if (sta->last_rx_rate_flag & RX_FLAG_HT)
390 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
391 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
392 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
393 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
394 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
395 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 396
902acc78 397 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 398#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC
399 sinfo->filled |= STATION_INFO_LLID |
400 STATION_INFO_PLID |
401 STATION_INFO_PLINK_STATE;
402
403 sinfo->llid = le16_to_cpu(sta->llid);
404 sinfo->plid = le16_to_cpu(sta->plid);
405 sinfo->plink_state = sta->plink_state;
c5dd9c2b 406#endif
902acc78 407 }
f4263c98
PS
408
409 sinfo->bss_param.flags = 0;
410 if (sdata->vif.bss_conf.use_cts_prot)
411 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
412 if (sdata->vif.bss_conf.use_short_preamble)
413 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
414 if (sdata->vif.bss_conf.use_short_slot)
415 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
416 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
417 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS
418
419 sinfo->sta_flags.set = 0;
420 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
421 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
422 BIT(NL80211_STA_FLAG_WME) |
423 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS
424 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
425 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS
426 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
427 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
428 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
429 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
430 if (test_sta_flag(sta, WLAN_STA_WME))
431 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
432 if (test_sta_flag(sta, WLAN_STA_MFP))
433 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
434 if (test_sta_flag(sta, WLAN_STA_AUTH))
435 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS
436 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
437 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC
438}
439
440
441static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
442 int idx, u8 *mac, struct station_info *sinfo)
443{
3b53fde8 444 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 445 struct sta_info *sta;
d0709a65
JB
446 int ret = -ENOENT;
447
448 rcu_read_lock();
c5dd9c2b 449
3b53fde8 450 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB
451 if (sta) {
452 ret = 0;
17741cdc 453 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB
454 sta_set_sinfo(sta, sinfo);
455 }
c5dd9c2b 456
d0709a65 457 rcu_read_unlock();
c5dd9c2b 458
d0709a65 459 return ret;
c5dd9c2b
LCC
460}
461
1289723e
HS
462static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
463 int idx, struct survey_info *survey)
464{
465 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
466
1289723e
HS
467 return drv_get_survey(local, idx, survey);
468}
469
7bbdd2d9 470static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 471 u8 *mac, struct station_info *sinfo)
7bbdd2d9 472{
abe60632 473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 474 struct sta_info *sta;
d0709a65 475 int ret = -ENOENT;
7bbdd2d9 476
d0709a65 477 rcu_read_lock();
7bbdd2d9 478
0e5ded5a 479 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB
480 if (sta) {
481 ret = 0;
482 sta_set_sinfo(sta, sinfo);
483 }
484
485 rcu_read_unlock();
486
487 return ret;
7bbdd2d9
JB
488}
489
7827493b
AN
490static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata,
491 struct beacon_parameters *params)
492{
493 struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
494
495 bss_conf->ssid_len = params->ssid_len;
496
497 if (params->ssid_len)
498 memcpy(bss_conf->ssid, params->ssid, params->ssid_len);
499
500 bss_conf->hidden_ssid =
501 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
502}
503
02945821
AN
504static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
505 u8 *resp, size_t resp_len)
506{
507 struct sk_buff *new, *old;
508
509 if (!resp || !resp_len)
510 return -EINVAL;
511
f724828b 512 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821
AN
513
514 new = dev_alloc_skb(resp_len);
515 if (!new)
516 return -ENOMEM;
517
518 memcpy(skb_put(new, resp_len), resp, resp_len);
519
520 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
521 synchronize_rcu();
522
523 if (old)
524 dev_kfree_skb(old);
525
526 return 0;
527}
528
5dfdaf58
JB
529/*
530 * This handles both adding a beacon and setting new beacon info
531 */
532static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
533 struct beacon_parameters *params)
534{
535 struct beacon_data *new, *old;
536 int new_head_len, new_tail_len;
537 int size;
538 int err = -EINVAL;
02945821 539 u32 changed = 0;
5dfdaf58 540
40b275b6 541 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
542
543 /* head must not be zero-length */
544 if (params->head && !params->head_len)
545 return -EINVAL;
546
547 /*
548 * This is a kludge. beacon interval should really be part
549 * of the beacon information.
550 */
57c4d7b4
JB
551 if (params->interval &&
552 (sdata->vif.bss_conf.beacon_int != params->interval)) {
553 sdata->vif.bss_conf.beacon_int = params->interval;
554 ieee80211_bss_info_change_notify(sdata,
555 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB
556 }
557
558 /* Need to have a beacon head if we don't have one yet */
559 if (!params->head && !old)
560 return err;
561
562 /* sorry, no way to start beaconing without dtim period */
563 if (!params->dtim_period && !old)
564 return err;
565
566 /* new or old head? */
567 if (params->head)
568 new_head_len = params->head_len;
569 else
570 new_head_len = old->head_len;
571
572 /* new or old tail? */
573 if (params->tail || !old)
574 /* params->tail_len will be zero for !params->tail */
575 new_tail_len = params->tail_len;
576 else
577 new_tail_len = old->tail_len;
578
579 size = sizeof(*new) + new_head_len + new_tail_len;
580
581 new = kzalloc(size, GFP_KERNEL);
582 if (!new)
583 return -ENOMEM;
584
585 /* start filling the new info now */
586
587 /* new or old dtim period? */
588 if (params->dtim_period)
589 new->dtim_period = params->dtim_period;
590 else
591 new->dtim_period = old->dtim_period;
592
593 /*
594 * pointers go into the block we allocated,
595 * memory is | beacon_data | head | tail |
596 */
597 new->head = ((u8 *) new) + sizeof(*new);
598 new->tail = new->head + new_head_len;
599 new->head_len = new_head_len;
600 new->tail_len = new_tail_len;
601
602 /* copy in head */
603 if (params->head)
604 memcpy(new->head, params->head, new_head_len);
605 else
606 memcpy(new->head, old->head, new_head_len);
607
608 /* copy in optional tail */
609 if (params->tail)
610 memcpy(new->tail, params->tail, new_tail_len);
611 else
612 if (old)
613 memcpy(new->tail, old->tail, new_tail_len);
614
19885c4f
JB
615 sdata->vif.bss_conf.dtim_period = new->dtim_period;
616
a9b3cd7f 617 RCU_INIT_POINTER(sdata->u.ap.beacon, new);
5dfdaf58
JB
618
619 synchronize_rcu();
620
621 kfree(old);
622
02945821
AN
623 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
624 params->probe_resp_len);
625 if (!err)
626 changed |= BSS_CHANGED_AP_PROBE_RESP;
627
7827493b 628 ieee80211_config_ap_ssid(sdata, params);
02945821
AN
629 changed |= BSS_CHANGED_BEACON_ENABLED |
630 BSS_CHANGED_BEACON |
631 BSS_CHANGED_SSID;
7827493b 632
02945821 633 ieee80211_bss_info_change_notify(sdata, changed);
2d0ddec5 634 return 0;
5dfdaf58
JB
635}
636
637static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
638 struct beacon_parameters *params)
639{
14db74bc 640 struct ieee80211_sub_if_data *sdata;
5dfdaf58 641 struct beacon_data *old;
665c93a9
JB
642 struct ieee80211_sub_if_data *vlan;
643 int ret;
5dfdaf58 644
14db74bc
JB
645 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
646
40b275b6 647 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
648 if (old)
649 return -EALREADY;
650
665c93a9
JB
651 ret = ieee80211_config_beacon(sdata, params);
652 if (ret)
653 return ret;
654
655 /*
656 * Apply control port protocol, this allows us to
657 * not encrypt dynamic WEP control frames.
658 */
659 sdata->control_port_protocol = params->crypto.control_port_ethertype;
660 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
661 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
662 vlan->control_port_protocol =
663 params->crypto.control_port_ethertype;
664 vlan->control_port_no_encrypt =
665 params->crypto.control_port_no_encrypt;
666 }
667
668 return 0;
5dfdaf58
JB
669}
670
671static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
672 struct beacon_parameters *params)
673{
14db74bc 674 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB
675 struct beacon_data *old;
676
14db74bc
JB
677 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
678
40b275b6 679 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
680 if (!old)
681 return -ENOENT;
682
683 return ieee80211_config_beacon(sdata, params);
684}
685
686static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
687{
14db74bc 688 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB
689 struct beacon_data *old;
690
14db74bc
JB
691 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
692
40b275b6 693 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
694 if (!old)
695 return -ENOENT;
696
a9b3cd7f 697 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
5dfdaf58
JB
698 synchronize_rcu();
699 kfree(old);
700
2d0ddec5
JB
701 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
702 return 0;
5dfdaf58
JB
703}
704
4fd6931e
JB
705/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
706struct iapp_layer2_update {
707 u8 da[ETH_ALEN]; /* broadcast */
708 u8 sa[ETH_ALEN]; /* STA addr */
709 __be16 len; /* 6 */
710 u8 dsap; /* 0 */
711 u8 ssap; /* 0 */
712 u8 control;
713 u8 xid_info[3];
bc10502d 714} __packed;
4fd6931e
JB
715
716static void ieee80211_send_layer2_update(struct sta_info *sta)
717{
718 struct iapp_layer2_update *msg;
719 struct sk_buff *skb;
720
721 /* Send Level 2 Update Frame to update forwarding tables in layer 2
722 * bridge devices */
723
724 skb = dev_alloc_skb(sizeof(*msg));
725 if (!skb)
726 return;
727 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
728
729 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
730 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
731
732 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 733 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB
734 msg->len = htons(6);
735 msg->dsap = 0;
736 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
737 msg->control = 0xaf; /* XID response lsb.1111F101.
738 * F=0 (no poll command; unsolicited frame) */
739 msg->xid_info[0] = 0x81; /* XID format identifier */
740 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
741 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
742
d0709a65
JB
743 skb->dev = sta->sdata->dev;
744 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 745 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 746 netif_rx_ni(skb);
4fd6931e
JB
747}
748
749static void sta_apply_parameters(struct ieee80211_local *local,
750 struct sta_info *sta,
751 struct station_parameters *params)
752{
753 u32 rates;
754 int i, j;
8318d78a 755 struct ieee80211_supported_band *sband;
d0709a65 756 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 757 u32 mask, set;
4fd6931e 758
ae5eb026
JB
759 sband = local->hw.wiphy->bands[local->oper_channel->band];
760
eccb8e8f
JB
761 mask = params->sta_flags_mask;
762 set = params->sta_flags_set;
73651ee6 763
eccb8e8f 764 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 765 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
c2c98fde
JB
766 set_sta_flag(sta, WLAN_STA_AUTHORIZED);
767 else
768 clear_sta_flag(sta, WLAN_STA_AUTHORIZED);
eccb8e8f 769 }
4fd6931e 770
eccb8e8f 771 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 772 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB
773 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
774 else
775 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 776 }
4fd6931e 777
eccb8e8f 778 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 779 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 780 set_sta_flag(sta, WLAN_STA_WME);
39df600a 781 sta->sta.wme = true;
c2c98fde
JB
782 } else {
783 clear_sta_flag(sta, WLAN_STA_WME);
784 sta->sta.wme = false;
39df600a 785 }
eccb8e8f 786 }
5394af4d 787
eccb8e8f 788 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 789 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB
790 set_sta_flag(sta, WLAN_STA_MFP);
791 else
792 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 793 }
b39c48fa
JC
794
795 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
b39c48fa 796 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
c2c98fde
JB
797 set_sta_flag(sta, WLAN_STA_AUTH);
798 else
799 clear_sta_flag(sta, WLAN_STA_AUTH);
b39c48fa 800 }
4fd6931e 801
07ba55d7 802 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 803 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB
804 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
805 else
806 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 807 }
4fd6931e 808
3b9ce80c
JB
809 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
810 sta->sta.uapsd_queues = params->uapsd_queues;
811 sta->sta.max_sp = params->max_sp;
812 }
9533b4ac 813
51b50fbe
JB
814 /*
815 * cfg80211 validates this (1-2007) and allows setting the AID
816 * only when creating a new station entry
817 */
818 if (params->aid)
819 sta->sta.aid = params->aid;
820
73651ee6
JB
821 /*
822 * FIXME: updating the following information is racy when this
823 * function is called from ieee80211_change_station().
824 * However, all this information should be static so
825 * maybe we should just reject attemps to change it.
826 */
827
4fd6931e
JB
828 if (params->listen_interval >= 0)
829 sta->listen_interval = params->listen_interval;
830
831 if (params->supported_rates) {
832 rates = 0;
8318d78a 833
4fd6931e
JB
834 for (i = 0; i < params->supported_rates_len; i++) {
835 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB
836 for (j = 0; j < sband->n_bitrates; j++) {
837 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB
838 rates |= BIT(j);
839 }
840 }
323ce79a 841 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 842 }
c5dd9c2b 843
d9fe60de 844 if (params->ht_capa)
ef96a842 845 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 846 params->ht_capa,
d9fe60de 847 &sta->sta.ht_cap);
36aedc90 848
9c3990aa 849 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 850#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC
851 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
852 switch (params->plink_state) {
57cf8043
JC
853 case NL80211_PLINK_LISTEN:
854 case NL80211_PLINK_ESTAB:
855 case NL80211_PLINK_BLOCKED:
9c3990aa
JC
856 sta->plink_state = params->plink_state;
857 break;
858 default:
859 /* nothing */
860 break;
861 }
862 else
863 switch (params->plink_action) {
864 case PLINK_ACTION_OPEN:
865 mesh_plink_open(sta);
866 break;
867 case PLINK_ACTION_BLOCK:
868 mesh_plink_block(sta);
869 break;
870 }
4daf50f2 871#endif
902acc78 872 }
4fd6931e
JB
873}
874
875static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
876 u8 *mac, struct station_parameters *params)
877{
14db74bc 878 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB
879 struct sta_info *sta;
880 struct ieee80211_sub_if_data *sdata;
73651ee6 881 int err;
b8d476c8 882 int layer2_update;
4fd6931e 883
4fd6931e
JB
884 if (params->vlan) {
885 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
886
05c914fe
JB
887 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
888 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB
889 return -EINVAL;
890 } else
891 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
892
47846c9b 893 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB
894 return -EINVAL;
895
896 if (is_multicast_ether_addr(mac))
897 return -EINVAL;
898
899 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB
900 if (!sta)
901 return -ENOMEM;
4fd6931e 902
c2c98fde
JB
903 set_sta_flag(sta, WLAN_STA_AUTH);
904 set_sta_flag(sta, WLAN_STA_ASSOC);
4fd6931e
JB
905
906 sta_apply_parameters(local, sta, params);
907
d64cf63e
AN
908 /*
909 * for TDLS, rate control should be initialized only when supported
910 * rates are known.
911 */
912 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
913 rate_control_rate_init(sta);
4fd6931e 914
b8d476c8
JM
915 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
916 sdata->vif.type == NL80211_IFTYPE_AP;
917
34e89507 918 err = sta_info_insert_rcu(sta);
73651ee6 919 if (err) {
73651ee6
JB
920 rcu_read_unlock();
921 return err;
922 }
923
b8d476c8 924 if (layer2_update)
73651ee6
JB
925 ieee80211_send_layer2_update(sta);
926
927 rcu_read_unlock();
928
4fd6931e
JB
929 return 0;
930}
931
932static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
933 u8 *mac)
934{
14db74bc
JB
935 struct ieee80211_local *local = wiphy_priv(wiphy);
936 struct ieee80211_sub_if_data *sdata;
4fd6931e 937
14db74bc
JB
938 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
939
34e89507
JB
940 if (mac)
941 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 942
34e89507 943 sta_info_flush(local, sdata);
4fd6931e
JB
944 return 0;
945}
946
947static int ieee80211_change_station(struct wiphy *wiphy,
948 struct net_device *dev,
949 u8 *mac,
950 struct station_parameters *params)
951{
abe60632 952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 953 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB
954 struct sta_info *sta;
955 struct ieee80211_sub_if_data *vlansdata;
956
87be1e1e 957 mutex_lock(&local->sta_mtx);
98dd6a57 958
0e5ded5a 959 sta = sta_info_get_bss(sdata, mac);
98dd6a57 960 if (!sta) {
87be1e1e 961 mutex_unlock(&local->sta_mtx);
4fd6931e 962 return -ENOENT;
98dd6a57 963 }
4fd6931e 964
bdd90d5e
JB
965 /* in station mode, supported rates are only valid with TDLS */
966 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
967 params->supported_rates &&
968 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 969 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB
970 return -EINVAL;
971 }
972
d0709a65 973 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB
974 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
975
05c914fe
JB
976 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
977 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 978 mutex_unlock(&local->sta_mtx);
4fd6931e 979 return -EINVAL;
98dd6a57 980 }
4fd6931e 981
9bc383de 982 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 983 if (vlansdata->u.vlan.sta) {
87be1e1e 984 mutex_unlock(&local->sta_mtx);
f14543ee 985 return -EBUSY;
3305443c 986 }
f14543ee 987
a9b3cd7f 988 RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta);
f14543ee
FF
989 }
990
14db74bc 991 sta->sdata = vlansdata;
4fd6931e
JB
992 ieee80211_send_layer2_update(sta);
993 }
994
995 sta_apply_parameters(local, sta, params);
996
d64cf63e
AN
997 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
998 rate_control_rate_init(sta);
999
87be1e1e 1000 mutex_unlock(&local->sta_mtx);
98dd6a57 1001
808118cb
JY
1002 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1003 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1004 ieee80211_recalc_ps(local, -1);
1005
4fd6931e
JB
1006 return 0;
1007}
1008
c5dd9c2b
LCC
1009#ifdef CONFIG_MAC80211_MESH
1010static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1011 u8 *dst, u8 *next_hop)
1012{
14db74bc 1013 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1014 struct mesh_path *mpath;
1015 struct sta_info *sta;
1016 int err;
1017
14db74bc
JB
1018 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1019
d0709a65 1020 rcu_read_lock();
abe60632 1021 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
1022 if (!sta) {
1023 rcu_read_unlock();
c5dd9c2b 1024 return -ENOENT;
d0709a65 1025 }
c5dd9c2b 1026
f698d856 1027 err = mesh_path_add(dst, sdata);
d0709a65
JB
1028 if (err) {
1029 rcu_read_unlock();
c5dd9c2b 1030 return err;
d0709a65 1031 }
c5dd9c2b 1032
f698d856 1033 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1034 if (!mpath) {
1035 rcu_read_unlock();
c5dd9c2b
LCC
1036 return -ENXIO;
1037 }
1038 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1039
c5dd9c2b
LCC
1040 rcu_read_unlock();
1041 return 0;
1042}
1043
1044static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1045 u8 *dst)
1046{
f698d856
JBG
1047 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1048
c5dd9c2b 1049 if (dst)
f698d856 1050 return mesh_path_del(dst, sdata);
c5dd9c2b 1051
ece1a2e7 1052 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC
1053 return 0;
1054}
1055
1056static int ieee80211_change_mpath(struct wiphy *wiphy,
1057 struct net_device *dev,
1058 u8 *dst, u8 *next_hop)
1059{
14db74bc 1060 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1061 struct mesh_path *mpath;
1062 struct sta_info *sta;
1063
14db74bc
JB
1064 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1065
d0709a65
JB
1066 rcu_read_lock();
1067
abe60632 1068 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
1069 if (!sta) {
1070 rcu_read_unlock();
c5dd9c2b 1071 return -ENOENT;
d0709a65 1072 }
c5dd9c2b 1073
f698d856 1074 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1075 if (!mpath) {
1076 rcu_read_unlock();
c5dd9c2b
LCC
1077 return -ENOENT;
1078 }
1079
1080 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1081
c5dd9c2b
LCC
1082 rcu_read_unlock();
1083 return 0;
1084}
1085
1086static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1087 struct mpath_info *pinfo)
1088{
a3836e02
JB
1089 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1090
1091 if (next_hop_sta)
1092 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC
1093 else
1094 memset(next_hop, 0, ETH_ALEN);
1095
f5ea9120
JB
1096 pinfo->generation = mesh_paths_generation;
1097
c5dd9c2b 1098 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1099 MPATH_INFO_SN |
c5dd9c2b
LCC
1100 MPATH_INFO_METRIC |
1101 MPATH_INFO_EXPTIME |
1102 MPATH_INFO_DISCOVERY_TIMEOUT |
1103 MPATH_INFO_DISCOVERY_RETRIES |
1104 MPATH_INFO_FLAGS;
1105
1106 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1107 pinfo->sn = mpath->sn;
c5dd9c2b
LCC
1108 pinfo->metric = mpath->metric;
1109 if (time_before(jiffies, mpath->exp_time))
1110 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1111 pinfo->discovery_timeout =
1112 jiffies_to_msecs(mpath->discovery_timeout);
1113 pinfo->discovery_retries = mpath->discovery_retries;
1114 pinfo->flags = 0;
1115 if (mpath->flags & MESH_PATH_ACTIVE)
1116 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1117 if (mpath->flags & MESH_PATH_RESOLVING)
1118 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP
1119 if (mpath->flags & MESH_PATH_SN_VALID)
1120 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC
1121 if (mpath->flags & MESH_PATH_FIXED)
1122 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1123 if (mpath->flags & MESH_PATH_RESOLVING)
1124 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1125
1126 pinfo->flags = mpath->flags;
1127}
1128
1129static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1130 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1131
1132{
14db74bc 1133 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1134 struct mesh_path *mpath;
1135
14db74bc
JB
1136 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1137
c5dd9c2b 1138 rcu_read_lock();
f698d856 1139 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1140 if (!mpath) {
1141 rcu_read_unlock();
1142 return -ENOENT;
1143 }
1144 memcpy(dst, mpath->dst, ETH_ALEN);
1145 mpath_set_pinfo(mpath, next_hop, pinfo);
1146 rcu_read_unlock();
1147 return 0;
1148}
1149
1150static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1151 int idx, u8 *dst, u8 *next_hop,
1152 struct mpath_info *pinfo)
1153{
14db74bc 1154 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1155 struct mesh_path *mpath;
1156
14db74bc
JB
1157 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1158
c5dd9c2b 1159 rcu_read_lock();
f698d856 1160 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC
1161 if (!mpath) {
1162 rcu_read_unlock();
1163 return -ENOENT;
1164 }
1165 memcpy(dst, mpath->dst, ETH_ALEN);
1166 mpath_set_pinfo(mpath, next_hop, pinfo);
1167 rcu_read_unlock();
1168 return 0;
1169}
93da9cc1 1170
24bdd9f4 1171static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1172 struct net_device *dev,
1173 struct mesh_config *conf)
1174{
1175 struct ieee80211_sub_if_data *sdata;
1176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
93da9cc1 1178 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1179 return 0;
1180}
1181
1182static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1183{
1184 return (mask >> (parm-1)) & 0x1;
1185}
1186
c80d545d
JC
1187static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1188 const struct mesh_setup *setup)
1189{
1190 u8 *new_ie;
1191 const u8 *old_ie;
4bb62344
CYY
1192 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1193 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1194
581a8b0f 1195 /* allocate information elements */
c80d545d 1196 new_ie = NULL;
581a8b0f 1197 old_ie = ifmsh->ie;
c80d545d 1198
581a8b0f
JC
1199 if (setup->ie_len) {
1200 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC
1201 GFP_KERNEL);
1202 if (!new_ie)
1203 return -ENOMEM;
1204 }
581a8b0f
JC
1205 ifmsh->ie_len = setup->ie_len;
1206 ifmsh->ie = new_ie;
1207 kfree(old_ie);
c80d545d
JC
1208
1209 /* now copy the rest of the setup parameters */
1210 ifmsh->mesh_id_len = setup->mesh_id_len;
1211 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1212 ifmsh->mesh_pp_id = setup->path_sel_proto;
1213 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC
1214 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1215 if (setup->is_authenticated)
1216 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1217 if (setup->is_secure)
1218 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1219
4bb62344
CYY
1220 /* mcast rate setting in Mesh Node */
1221 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1222 sizeof(setup->mcast_rate));
1223
c80d545d
JC
1224 return 0;
1225}
1226
24bdd9f4 1227static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB
1228 struct net_device *dev, u32 mask,
1229 const struct mesh_config *nconf)
93da9cc1 1230{
1231 struct mesh_config *conf;
1232 struct ieee80211_sub_if_data *sdata;
63c5723b
RP
1233 struct ieee80211_if_mesh *ifmsh;
1234
93da9cc1 1235 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1236 ifmsh = &sdata->u.mesh;
93da9cc1 1237
93da9cc1 1238 /* Set the config options which we are interested in setting */
1239 conf = &(sdata->u.mesh.mshcfg);
1240 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1241 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1242 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1243 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1244 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1245 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1246 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1247 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1248 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1249 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1250 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1251 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21
JC
1252 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1253 conf->dot11MeshTTL = nconf->element_ttl;
93da9cc1 1254 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1255 conf->auto_open_plinks = nconf->auto_open_plinks;
1256 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1257 conf->dot11MeshHWMPmaxPREQretries =
1258 nconf->dot11MeshHWMPmaxPREQretries;
1259 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1260 conf->path_refresh_time = nconf->path_refresh_time;
1261 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1262 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1263 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1264 conf->dot11MeshHWMPactivePathTimeout =
1265 nconf->dot11MeshHWMPactivePathTimeout;
1266 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1267 conf->dot11MeshHWMPpreqMinInterval =
1268 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP
1269 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1270 conf->dot11MeshHWMPperrMinInterval =
1271 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1272 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1273 mask))
1274 conf->dot11MeshHWMPnetDiameterTraversalTime =
1275 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP
1276 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1277 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1278 ieee80211_mesh_root_setup(ifmsh);
1279 }
16dd7267 1280 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP
1281 /* our current gate announcement implementation rides on root
1282 * announcements, so require this ifmsh to also be a root node
1283 * */
1284 if (nconf->dot11MeshGateAnnouncementProtocol &&
1285 !conf->dot11MeshHWMPRootMode) {
1286 conf->dot11MeshHWMPRootMode = 1;
1287 ieee80211_mesh_root_setup(ifmsh);
1288 }
16dd7267
JC
1289 conf->dot11MeshGateAnnouncementProtocol =
1290 nconf->dot11MeshGateAnnouncementProtocol;
1291 }
0507e159
JC
1292 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1293 conf->dot11MeshHWMPRannInterval =
1294 nconf->dot11MeshHWMPRannInterval;
1295 }
93da9cc1 1296 return 0;
1297}
1298
29cbe68c
JB
1299static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1300 const struct mesh_config *conf,
1301 const struct mesh_setup *setup)
1302{
1303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1304 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1305 int err;
29cbe68c 1306
c80d545d
JC
1307 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1308 err = copy_mesh_setup(ifmsh, setup);
1309 if (err)
1310 return err;
29cbe68c
JB
1311 ieee80211_start_mesh(sdata);
1312
1313 return 0;
1314}
1315
1316static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1317{
1318 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1319
1320 ieee80211_stop_mesh(sdata);
1321
1322 return 0;
1323}
c5dd9c2b
LCC
1324#endif
1325
9f1ba906
JM
1326static int ieee80211_change_bss(struct wiphy *wiphy,
1327 struct net_device *dev,
1328 struct bss_parameters *params)
1329{
9f1ba906
JM
1330 struct ieee80211_sub_if_data *sdata;
1331 u32 changed = 0;
1332
9f1ba906
JM
1333 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1334
9f1ba906 1335 if (params->use_cts_prot >= 0) {
bda3933a 1336 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM
1337 changed |= BSS_CHANGED_ERP_CTS_PROT;
1338 }
1339 if (params->use_short_preamble >= 0) {
bda3933a 1340 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM
1341 params->use_short_preamble;
1342 changed |= BSS_CHANGED_ERP_PREAMBLE;
1343 }
43d35343
FF
1344
1345 if (!sdata->vif.bss_conf.use_short_slot &&
1346 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1347 sdata->vif.bss_conf.use_short_slot = true;
1348 changed |= BSS_CHANGED_ERP_SLOT;
1349 }
1350
9f1ba906 1351 if (params->use_short_slot_time >= 0) {
bda3933a 1352 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM
1353 params->use_short_slot_time;
1354 changed |= BSS_CHANGED_ERP_SLOT;
1355 }
1356
90c97a04
JM
1357 if (params->basic_rates) {
1358 int i, j;
1359 u32 rates = 0;
1360 struct ieee80211_local *local = wiphy_priv(wiphy);
1361 struct ieee80211_supported_band *sband =
1362 wiphy->bands[local->oper_channel->band];
1363
1364 for (i = 0; i < params->basic_rates_len; i++) {
1365 int rate = (params->basic_rates[i] & 0x7f) * 5;
1366 for (j = 0; j < sband->n_bitrates; j++) {
1367 if (sband->bitrates[j].bitrate == rate)
1368 rates |= BIT(j);
1369 }
1370 }
1371 sdata->vif.bss_conf.basic_rates = rates;
1372 changed |= BSS_CHANGED_BASIC_RATES;
1373 }
1374
7b7b5e56
FF
1375 if (params->ap_isolate >= 0) {
1376 if (params->ap_isolate)
1377 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1378 else
1379 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1380 }
1381
80d7e403
HS
1382 if (params->ht_opmode >= 0) {
1383 sdata->vif.bss_conf.ht_operation_mode =
1384 (u16) params->ht_opmode;
1385 changed |= BSS_CHANGED_HT;
1386 }
1387
9f1ba906
JM
1388 ieee80211_bss_info_change_notify(sdata, changed);
1389
1390 return 0;
1391}
1392
31888487 1393static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1394 struct net_device *dev,
31888487
JM
1395 struct ieee80211_txq_params *params)
1396{
1397 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM
1399 struct ieee80211_tx_queue_params p;
1400
1401 if (!local->ops->conf_tx)
1402 return -EOPNOTSUPP;
1403
1404 memset(&p, 0, sizeof(p));
1405 p.aifs = params->aifs;
1406 p.cw_max = params->cwmax;
1407 p.cw_min = params->cwmin;
1408 p.txop = params->txop;
ab13315a
KV
1409
1410 /*
1411 * Setting tx queue params disables u-apsd because it's only
1412 * called in master mode.
1413 */
1414 p.uapsd = false;
1415
2683d65b
EP
1416 if (params->queue >= local->hw.queues)
1417 return -EINVAL;
1418
f6f3def3
EP
1419 sdata->tx_conf[params->queue] = p;
1420 if (drv_conf_tx(local, sdata, params->queue, &p)) {
0fb9a9ec
JP
1421 wiphy_debug(local->hw.wiphy,
1422 "failed to set TX queue parameters for queue %d\n",
1423 params->queue);
31888487
JM
1424 return -EINVAL;
1425 }
1426
1427 return 0;
1428}
1429
72bdcf34 1430static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1431 struct net_device *netdev,
72bdcf34 1432 struct ieee80211_channel *chan,
094d05dc 1433 enum nl80211_channel_type channel_type)
72bdcf34
JM
1434{
1435 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b 1436 struct ieee80211_sub_if_data *sdata = NULL;
eeabee7e
BG
1437 struct ieee80211_channel *old_oper;
1438 enum nl80211_channel_type old_oper_type;
1439 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
0aaffa9b
JB
1440
1441 if (netdev)
1442 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1443
f444de05
JB
1444 switch (ieee80211_get_channel_mode(local, NULL)) {
1445 case CHAN_MODE_HOPPING:
1446 return -EBUSY;
1447 case CHAN_MODE_FIXED:
0aaffa9b
JB
1448 if (local->oper_channel != chan)
1449 return -EBUSY;
1450 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1451 return 0;
0aaffa9b 1452 break;
f444de05
JB
1453 case CHAN_MODE_UNDEFINED:
1454 break;
1455 }
72bdcf34 1456
eeabee7e
BG
1457 if (sdata)
1458 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1459 old_oper_type = local->_oper_channel_type;
72bdcf34 1460
0aaffa9b
JB
1461 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1462 return -EBUSY;
1463
eeabee7e
BG
1464 old_oper = local->oper_channel;
1465 local->oper_channel = chan;
1466
1467 /* Update driver if changes were actually made. */
1468 if ((old_oper != local->oper_channel) ||
1469 (old_oper_type != local->_oper_channel_type))
1470 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1471
ef5af747 1472 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
eeabee7e 1473 old_vif_oper_type != sdata->vif.bss_conf.channel_type)
0aaffa9b
JB
1474 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1475
1476 return 0;
72bdcf34
JM
1477}
1478
665af4fc 1479#ifdef CONFIG_PM
ff1b6e69
JB
1480static int ieee80211_suspend(struct wiphy *wiphy,
1481 struct cfg80211_wowlan *wowlan)
665af4fc 1482{
eecc4800 1483 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC
1484}
1485
1486static int ieee80211_resume(struct wiphy *wiphy)
1487{
1488 return __ieee80211_resume(wiphy_priv(wiphy));
1489}
1490#else
1491#define ieee80211_suspend NULL
1492#define ieee80211_resume NULL
1493#endif
1494
2a519311
JB
1495static int ieee80211_scan(struct wiphy *wiphy,
1496 struct net_device *dev,
1497 struct cfg80211_scan_request *req)
1498{
2ca27bcf 1499 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2a519311 1500
2ca27bcf
JB
1501 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1502 case NL80211_IFTYPE_STATION:
1503 case NL80211_IFTYPE_ADHOC:
1504 case NL80211_IFTYPE_MESH_POINT:
1505 case NL80211_IFTYPE_P2P_CLIENT:
1506 break;
1507 case NL80211_IFTYPE_P2P_GO:
1508 if (sdata->local->ops->hw_scan)
1509 break;
e9d7732e
JB
1510 /*
1511 * FIXME: implement NoA while scanning in software,
1512 * for now fall through to allow scanning only when
1513 * beaconing hasn't been configured yet
1514 */
2ca27bcf
JB
1515 case NL80211_IFTYPE_AP:
1516 if (sdata->u.ap.beacon)
1517 return -EOPNOTSUPP;
1518 break;
1519 default:
1520 return -EOPNOTSUPP;
1521 }
2a519311
JB
1522
1523 return ieee80211_request_scan(sdata, req);
1524}
1525
79f460ca
LC
1526static int
1527ieee80211_sched_scan_start(struct wiphy *wiphy,
1528 struct net_device *dev,
1529 struct cfg80211_sched_scan_request *req)
1530{
1531 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1532
1533 if (!sdata->local->ops->sched_scan_start)
1534 return -EOPNOTSUPP;
1535
1536 return ieee80211_request_sched_scan_start(sdata, req);
1537}
1538
1539static int
85a9994a 1540ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC
1541{
1542 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1543
1544 if (!sdata->local->ops->sched_scan_stop)
1545 return -EOPNOTSUPP;
1546
85a9994a 1547 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC
1548}
1549
636a5d36
JM
1550static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1551 struct cfg80211_auth_request *req)
1552{
77fdaa12 1553 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1554}
1555
1556static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1557 struct cfg80211_assoc_request *req)
1558{
f444de05
JB
1559 struct ieee80211_local *local = wiphy_priv(wiphy);
1560 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1561
1562 switch (ieee80211_get_channel_mode(local, sdata)) {
1563 case CHAN_MODE_HOPPING:
1564 return -EBUSY;
1565 case CHAN_MODE_FIXED:
1566 if (local->oper_channel == req->bss->channel)
1567 break;
1568 return -EBUSY;
1569 case CHAN_MODE_UNDEFINED:
1570 break;
1571 }
1572
77fdaa12 1573 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1574}
1575
1576static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB
1577 struct cfg80211_deauth_request *req,
1578 void *cookie)
636a5d36 1579{
667503dd
JB
1580 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1581 req, cookie);
636a5d36
JM
1582}
1583
1584static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB
1585 struct cfg80211_disassoc_request *req,
1586 void *cookie)
636a5d36 1587{
667503dd
JB
1588 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1589 req, cookie);
636a5d36
JM
1590}
1591
af8cdcd8
JB
1592static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1593 struct cfg80211_ibss_params *params)
1594{
f444de05 1595 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB
1596 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1597
f444de05
JB
1598 switch (ieee80211_get_channel_mode(local, sdata)) {
1599 case CHAN_MODE_HOPPING:
1600 return -EBUSY;
1601 case CHAN_MODE_FIXED:
1602 if (!params->channel_fixed)
1603 return -EBUSY;
1604 if (local->oper_channel == params->channel)
1605 break;
1606 return -EBUSY;
1607 case CHAN_MODE_UNDEFINED:
1608 break;
1609 }
1610
af8cdcd8
JB
1611 return ieee80211_ibss_join(sdata, params);
1612}
1613
1614static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1615{
1616 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1617
1618 return ieee80211_ibss_leave(sdata);
1619}
1620
b9a5f8ca
JM
1621static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1622{
1623 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1624 int err;
b9a5f8ca 1625
f23a4780
AN
1626 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1627 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1628
1629 if (err)
1630 return err;
1631 }
1632
310bc676
LT
1633 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1634 err = drv_set_coverage_class(local, wiphy->coverage_class);
1635
1636 if (err)
1637 return err;
1638 }
1639
b9a5f8ca 1640 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1641 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1642
24487981
JB
1643 if (err)
1644 return err;
b9a5f8ca
JM
1645 }
1646
1647 if (changed & WIPHY_PARAM_RETRY_SHORT)
1648 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1649 if (changed & WIPHY_PARAM_RETRY_LONG)
1650 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1651 if (changed &
1652 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1653 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1654
1655 return 0;
1656}
1657
7643a2c3 1658static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1659 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB
1660{
1661 struct ieee80211_local *local = wiphy_priv(wiphy);
1662 struct ieee80211_channel *chan = local->hw.conf.channel;
1663 u32 changes = 0;
7643a2c3
JB
1664
1665 switch (type) {
fa61cf70 1666 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB
1667 local->user_power_level = -1;
1668 break;
fa61cf70
JO
1669 case NL80211_TX_POWER_LIMITED:
1670 if (mbm < 0 || (mbm % 100))
1671 return -EOPNOTSUPP;
1672 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1673 break;
fa61cf70
JO
1674 case NL80211_TX_POWER_FIXED:
1675 if (mbm < 0 || (mbm % 100))
1676 return -EOPNOTSUPP;
7643a2c3 1677 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1678 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1679 return -EINVAL;
fa61cf70 1680 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1681 break;
7643a2c3
JB
1682 }
1683
1684 ieee80211_hw_config(local, changes);
1685
1686 return 0;
1687}
1688
1689static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1690{
1691 struct ieee80211_local *local = wiphy_priv(wiphy);
1692
1693 *dbm = local->hw.conf.power_level;
1694
7643a2c3
JB
1695 return 0;
1696}
1697
ab737a4f 1698static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1699 const u8 *addr)
ab737a4f
JB
1700{
1701 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1702
1703 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1704
1705 return 0;
1706}
1707
1f87f7d3
JB
1708static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1709{
1710 struct ieee80211_local *local = wiphy_priv(wiphy);
1711
1712 drv_rfkill_poll(local);
1713}
1714
aff89a9b 1715#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1716static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB
1717{
1718 struct ieee80211_local *local = wiphy_priv(wiphy);
1719
1720 if (!local->ops->testmode_cmd)
1721 return -EOPNOTSUPP;
1722
1723 return local->ops->testmode_cmd(&local->hw, data, len);
1724}
71063f0e
WYG
1725
1726static int ieee80211_testmode_dump(struct wiphy *wiphy,
1727 struct sk_buff *skb,
1728 struct netlink_callback *cb,
1729 void *data, int len)
1730{
1731 struct ieee80211_local *local = wiphy_priv(wiphy);
1732
1733 if (!local->ops->testmode_dump)
1734 return -EOPNOTSUPP;
1735
1736 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1737}
aff89a9b
JB
1738#endif
1739
0f78231b
JB
1740int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1741 enum ieee80211_smps_mode smps_mode)
1742{
1743 const u8 *ap;
1744 enum ieee80211_smps_mode old_req;
1745 int err;
1746
243e6df4
JB
1747 lockdep_assert_held(&sdata->u.mgd.mtx);
1748
0f78231b
JB
1749 old_req = sdata->u.mgd.req_smps;
1750 sdata->u.mgd.req_smps = smps_mode;
1751
1752 if (old_req == smps_mode &&
1753 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1754 return 0;
1755
1756 /*
1757 * If not associated, or current association is not an HT
1758 * association, there's no need to send an action frame.
1759 */
1760 if (!sdata->u.mgd.associated ||
0aaffa9b 1761 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 1762 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 1763 ieee80211_recalc_smps(sdata->local);
0f78231b
JB
1764 mutex_unlock(&sdata->local->iflist_mtx);
1765 return 0;
1766 }
1767
0c1ad2ca 1768 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB
1769
1770 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1771 if (sdata->u.mgd.powersave)
1772 smps_mode = IEEE80211_SMPS_DYNAMIC;
1773 else
1774 smps_mode = IEEE80211_SMPS_OFF;
1775 }
1776
1777 /* send SM PS frame to AP */
1778 err = ieee80211_send_smps_action(sdata, smps_mode,
1779 ap, ap);
1780 if (err)
1781 sdata->u.mgd.req_smps = old_req;
1782
1783 return err;
1784}
1785
bc92afd9
JB
1786static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1787 bool enabled, int timeout)
1788{
1789 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1790 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 1791
e5de30c9
BP
1792 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1793 return -EOPNOTSUPP;
1794
bc92afd9
JB
1795 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1796 return -EOPNOTSUPP;
1797
1798 if (enabled == sdata->u.mgd.powersave &&
ff616381 1799 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB
1800 return 0;
1801
1802 sdata->u.mgd.powersave = enabled;
ff616381 1803 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 1804
0f78231b
JB
1805 /* no change, but if automatic follow powersave */
1806 mutex_lock(&sdata->u.mgd.mtx);
1807 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1808 mutex_unlock(&sdata->u.mgd.mtx);
1809
bc92afd9
JB
1810 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1811 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1812
1813 ieee80211_recalc_ps(local, -1);
1814
1815 return 0;
1816}
1817
a97c13c3
JO
1818static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1819 struct net_device *dev,
1820 s32 rssi_thold, u32 rssi_hyst)
1821{
1822 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1823 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1824 struct ieee80211_vif *vif = &sdata->vif;
1825 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1826
a97c13c3
JO
1827 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1828 rssi_hyst == bss_conf->cqm_rssi_hyst)
1829 return 0;
1830
1831 bss_conf->cqm_rssi_thold = rssi_thold;
1832 bss_conf->cqm_rssi_hyst = rssi_hyst;
1833
17e4ec14
JM
1834 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1835 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1836 return -EOPNOTSUPP;
1837 return 0;
1838 }
1839
a97c13c3
JO
1840 /* tell the driver upon association, unless already associated */
1841 if (sdata->u.mgd.associated)
1842 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1843
1844 return 0;
1845}
1846
9930380f
JB
1847static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1848 struct net_device *dev,
1849 const u8 *addr,
1850 const struct cfg80211_bitrate_mask *mask)
1851{
1852 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1853 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 1854 int i, ret;
2c7e6bc9 1855
bdbfd6b5
SM
1856 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
1857 ret = drv_set_bitrate_mask(local, sdata, mask);
1858 if (ret)
1859 return ret;
1860 }
9930380f 1861
37eb0b16
JM
1862 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1863 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1864
37eb0b16 1865 return 0;
9930380f
JB
1866}
1867
21f83589
JB
1868static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
1869 struct net_device *dev,
1870 struct ieee80211_channel *chan,
1871 enum nl80211_channel_type chantype,
1872 unsigned int duration, u64 *cookie)
1873{
1874 int ret;
1875 u32 random_cookie;
1876
1877 lockdep_assert_held(&local->mtx);
1878
1879 if (local->hw_roc_cookie)
1880 return -EBUSY;
1881 /* must be nonzero */
1882 random_cookie = random32() | 1;
1883
1884 *cookie = random_cookie;
1885 local->hw_roc_dev = dev;
1886 local->hw_roc_cookie = random_cookie;
1887 local->hw_roc_channel = chan;
1888 local->hw_roc_channel_type = chantype;
1889 local->hw_roc_duration = duration;
1890 ret = drv_remain_on_channel(local, chan, chantype, duration);
1891 if (ret) {
1892 local->hw_roc_channel = NULL;
1893 local->hw_roc_cookie = 0;
1894 }
1895
1896 return ret;
1897}
1898
b8bc4b0a
JB
1899static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1900 struct net_device *dev,
1901 struct ieee80211_channel *chan,
1902 enum nl80211_channel_type channel_type,
1903 unsigned int duration,
1904 u64 *cookie)
1905{
1906 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB
1907 struct ieee80211_local *local = sdata->local;
1908
1909 if (local->ops->remain_on_channel) {
1910 int ret;
1911
1912 mutex_lock(&local->mtx);
1913 ret = ieee80211_remain_on_channel_hw(local, dev,
1914 chan, channel_type,
1915 duration, cookie);
90fc4b3a 1916 local->hw_roc_for_tx = false;
21f83589
JB
1917 mutex_unlock(&local->mtx);
1918
1919 return ret;
1920 }
b8bc4b0a
JB
1921
1922 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1923 duration, cookie);
1924}
1925
21f83589
JB
1926static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
1927 u64 cookie)
1928{
1929 int ret;
1930
1931 lockdep_assert_held(&local->mtx);
1932
1933 if (local->hw_roc_cookie != cookie)
1934 return -ENOENT;
1935
1936 ret = drv_cancel_remain_on_channel(local);
1937 if (ret)
1938 return ret;
1939
1940 local->hw_roc_cookie = 0;
1941 local->hw_roc_channel = NULL;
1942
1943 ieee80211_recalc_idle(local);
1944
1945 return 0;
1946}
1947
b8bc4b0a
JB
1948static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1949 struct net_device *dev,
1950 u64 cookie)
1951{
1952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
21f83589
JB
1953 struct ieee80211_local *local = sdata->local;
1954
1955 if (local->ops->cancel_remain_on_channel) {
1956 int ret;
1957
1958 mutex_lock(&local->mtx);
1959 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
1960 mutex_unlock(&local->mtx);
1961
1962 return ret;
1963 }
b8bc4b0a
JB
1964
1965 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1966}
1967
f30221e4
JB
1968static enum work_done_result
1969ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1970{
1971 /*
1972 * Use the data embedded in the work struct for reporting
1973 * here so if the driver mangled the SKB before dropping
1974 * it (which is the only way we really should get here)
1975 * then we don't report mangled data.
1976 *
1977 * If there was no wait time, then by the time we get here
1978 * the driver will likely not have reported the status yet,
1979 * so in that case userspace will have to deal with it.
1980 */
1981
28a1bcdb 1982 if (wk->offchan_tx.wait && !wk->offchan_tx.status)
f30221e4
JB
1983 cfg80211_mgmt_tx_status(wk->sdata->dev,
1984 (unsigned long) wk->offchan_tx.frame,
1985 wk->ie, wk->ie_len, false, GFP_KERNEL);
1986
1987 return WORK_DONE_DESTROY;
1988}
1989
2e161f78 1990static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
f7ca38df 1991 struct ieee80211_channel *chan, bool offchan,
2e161f78 1992 enum nl80211_channel_type channel_type,
f7ca38df 1993 bool channel_type_valid, unsigned int wait,
e9f935e3 1994 const u8 *buf, size_t len, bool no_cck,
e247bd90 1995 bool dont_wait_for_ack, u64 *cookie)
026331c4 1996{
9d38d85d
JB
1997 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1998 struct ieee80211_local *local = sdata->local;
1999 struct sk_buff *skb;
2000 struct sta_info *sta;
f30221e4 2001 struct ieee80211_work *wk;
9d38d85d 2002 const struct ieee80211_mgmt *mgmt = (void *)buf;
e247bd90 2003 u32 flags;
f30221e4 2004 bool is_offchan = false;
f7ca38df 2005
e247bd90
JB
2006 if (dont_wait_for_ack)
2007 flags = IEEE80211_TX_CTL_NO_ACK;
2008 else
2009 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2010 IEEE80211_TX_CTL_REQ_TX_STATUS;
2011
9d38d85d
JB
2012 /* Check that we are on the requested channel for transmission */
2013 if (chan != local->tmp_channel &&
2014 chan != local->oper_channel)
f30221e4 2015 is_offchan = true;
9d38d85d
JB
2016 if (channel_type_valid &&
2017 (channel_type != local->tmp_channel_type &&
2018 channel_type != local->_oper_channel_type))
f30221e4
JB
2019 is_offchan = true;
2020
21f83589
JB
2021 if (chan == local->hw_roc_channel) {
2022 /* TODO: check channel type? */
2023 is_offchan = false;
2024 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2025 }
2026
aad14ceb
RM
2027 if (no_cck)
2028 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2029
f30221e4 2030 if (is_offchan && !offchan)
9d38d85d
JB
2031 return -EBUSY;
2032
2033 switch (sdata->vif.type) {
2034 case NL80211_IFTYPE_ADHOC:
663fcafd
JB
2035 case NL80211_IFTYPE_AP:
2036 case NL80211_IFTYPE_AP_VLAN:
2037 case NL80211_IFTYPE_P2P_GO:
c7108a71 2038 case NL80211_IFTYPE_MESH_POINT:
663fcafd
JB
2039 if (!ieee80211_is_action(mgmt->frame_control) ||
2040 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB
2041 break;
2042 rcu_read_lock();
2043 sta = sta_info_get(sdata, mgmt->da);
2044 rcu_read_unlock();
2045 if (!sta)
2046 return -ENOLINK;
2047 break;
2048 case NL80211_IFTYPE_STATION:
663fcafd 2049 case NL80211_IFTYPE_P2P_CLIENT:
9d38d85d
JB
2050 break;
2051 default:
2052 return -EOPNOTSUPP;
2053 }
2054
2055 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2056 if (!skb)
2057 return -ENOMEM;
2058 skb_reserve(skb, local->hw.extra_tx_headroom);
2059
2060 memcpy(skb_put(skb, len), buf, len);
2061
2062 IEEE80211_SKB_CB(skb)->flags = flags;
2063
2064 skb->dev = sdata->dev;
9d38d85d
JB
2065
2066 *cookie = (unsigned long) skb;
f30221e4 2067
90fc4b3a
JB
2068 if (is_offchan && local->ops->remain_on_channel) {
2069 unsigned int duration;
2070 int ret;
2071
2072 mutex_lock(&local->mtx);
2073 /*
2074 * If the duration is zero, then the driver
2075 * wouldn't actually do anything. Set it to
2076 * 100 for now.
2077 *
2078 * TODO: cancel the off-channel operation
2079 * when we get the SKB's TX status and
2080 * the wait time was zero before.
2081 */
2082 duration = 100;
2083 if (wait)
2084 duration = wait;
2085 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2086 channel_type,
2087 duration, cookie);
2088 if (ret) {
2089 kfree_skb(skb);
2090 mutex_unlock(&local->mtx);
2091 return ret;
2092 }
2093
2094 local->hw_roc_for_tx = true;
2095 local->hw_roc_duration = wait;
2096
2097 /*
2098 * queue up frame for transmission after
2099 * ieee80211_ready_on_channel call
2100 */
2101
2102 /* modify cookie to prevent API mismatches */
2103 *cookie ^= 2;
2104 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2105 local->hw_roc_skb = skb;
4334ec85 2106 local->hw_roc_skb_for_status = skb;
90fc4b3a
JB
2107 mutex_unlock(&local->mtx);
2108
2109 return 0;
2110 }
2111
f30221e4
JB
2112 /*
2113 * Can transmit right away if the channel was the
2114 * right one and there's no wait involved... If a
2115 * wait is involved, we might otherwise not be on
2116 * the right channel for long enough!
2117 */
2118 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2119 ieee80211_tx_skb(sdata, skb);
2120 return 0;
2121 }
2122
2123 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2124 if (!wk) {
2125 kfree_skb(skb);
2126 return -ENOMEM;
2127 }
2128
2129 wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2130 wk->chan = chan;
4d51e149 2131 wk->chan_type = channel_type;
f30221e4
JB
2132 wk->sdata = sdata;
2133 wk->done = ieee80211_offchan_tx_done;
2134 wk->offchan_tx.frame = skb;
2135 wk->offchan_tx.wait = wait;
2136 wk->ie_len = len;
2137 memcpy(wk->ie, buf, len);
2138
2139 ieee80211_add_work(wk);
9d38d85d 2140 return 0;
026331c4
JM
2141}
2142
f30221e4
JB
2143static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2144 struct net_device *dev,
2145 u64 cookie)
2146{
2147 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2148 struct ieee80211_local *local = sdata->local;
2149 struct ieee80211_work *wk;
2150 int ret = -ENOENT;
2151
2152 mutex_lock(&local->mtx);
90fc4b3a
JB
2153
2154 if (local->ops->cancel_remain_on_channel) {
2155 cookie ^= 2;
2156 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2157
2158 if (ret == 0) {
2159 kfree_skb(local->hw_roc_skb);
2160 local->hw_roc_skb = NULL;
4334ec85 2161 local->hw_roc_skb_for_status = NULL;
90fc4b3a
JB
2162 }
2163
2164 mutex_unlock(&local->mtx);
2165
2166 return ret;
2167 }
2168
f30221e4
JB
2169 list_for_each_entry(wk, &local->work_list, list) {
2170 if (wk->sdata != sdata)
2171 continue;
2172
2173 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2174 continue;
2175
2176 if (cookie != (unsigned long) wk->offchan_tx.frame)
2177 continue;
2178
2179 wk->timeout = jiffies;
2180
2181 ieee80211_queue_work(&local->hw, &local->work_work);
2182 ret = 0;
2183 break;
2184 }
2185 mutex_unlock(&local->mtx);
2186
2187 return ret;
2188}
2189
7be5086d
JB
2190static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2191 struct net_device *dev,
2192 u16 frame_type, bool reg)
2193{
2194 struct ieee80211_local *local = wiphy_priv(wiphy);
2195
2196 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2197 return;
2198
2199 if (reg)
2200 local->probe_req_reg++;
2201 else
2202 local->probe_req_reg--;
2203
2204 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2205}
2206
15d96753
BR
2207static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2208{
2209 struct ieee80211_local *local = wiphy_priv(wiphy);
2210
2211 if (local->started)
2212 return -EOPNOTSUPP;
2213
2214 return drv_set_antenna(local, tx_ant, rx_ant);
2215}
2216
2217static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2218{
2219 struct ieee80211_local *local = wiphy_priv(wiphy);
2220
2221 return drv_get_antenna(local, tx_ant, rx_ant);
2222}
2223
38c09159
JL
2224static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2225{
2226 struct ieee80211_local *local = wiphy_priv(wiphy);
2227
2228 return drv_set_ringparam(local, tx, rx);
2229}
2230
2231static void ieee80211_get_ringparam(struct wiphy *wiphy,
2232 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2233{
2234 struct ieee80211_local *local = wiphy_priv(wiphy);
2235
2236 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2237}
2238
c68f4b89
JB
2239static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2240 struct net_device *dev,
2241 struct cfg80211_gtk_rekey_data *data)
2242{
2243 struct ieee80211_local *local = wiphy_priv(wiphy);
2244 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2245
2246 if (!local->ops->set_rekey_data)
2247 return -EOPNOTSUPP;
2248
2249 drv_set_rekey_data(local, sdata, data);
2250
2251 return 0;
2252}
2253
dfe018bf
AN
2254static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2255{
2256 u8 *pos = (void *)skb_put(skb, 7);
2257
2258 *pos++ = WLAN_EID_EXT_CAPABILITY;
2259 *pos++ = 5; /* len */
2260 *pos++ = 0x0;
2261 *pos++ = 0x0;
2262 *pos++ = 0x0;
2263 *pos++ = 0x0;
2264 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2265}
2266
2267static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2268{
2269 struct ieee80211_local *local = sdata->local;
2270 u16 capab;
2271
2272 capab = 0;
2273 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2274 return capab;
2275
2276 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2277 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2278 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2279 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2280
2281 return capab;
2282}
2283
2284static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2285 u8 *peer, u8 *bssid)
2286{
2287 struct ieee80211_tdls_lnkie *lnkid;
2288
2289 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2290
2291 lnkid->ie_type = WLAN_EID_LINK_ID;
2292 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2293
2294 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2295 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2296 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2297}
2298
2299static int
2300ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2301 u8 *peer, u8 action_code, u8 dialog_token,
2302 u16 status_code, struct sk_buff *skb)
2303{
2304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2305 struct ieee80211_tdls_data *tf;
2306
2307 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2308
2309 memcpy(tf->da, peer, ETH_ALEN);
2310 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2311 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2312 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2313
2314 switch (action_code) {
2315 case WLAN_TDLS_SETUP_REQUEST:
2316 tf->category = WLAN_CATEGORY_TDLS;
2317 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2318
2319 skb_put(skb, sizeof(tf->u.setup_req));
2320 tf->u.setup_req.dialog_token = dialog_token;
2321 tf->u.setup_req.capability =
2322 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2323
2324 ieee80211_add_srates_ie(&sdata->vif, skb);
2325 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2326 ieee80211_tdls_add_ext_capab(skb);
2327 break;
2328 case WLAN_TDLS_SETUP_RESPONSE:
2329 tf->category = WLAN_CATEGORY_TDLS;
2330 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2331
2332 skb_put(skb, sizeof(tf->u.setup_resp));
2333 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2334 tf->u.setup_resp.dialog_token = dialog_token;
2335 tf->u.setup_resp.capability =
2336 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2337
2338 ieee80211_add_srates_ie(&sdata->vif, skb);
2339 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2340 ieee80211_tdls_add_ext_capab(skb);
2341 break;
2342 case WLAN_TDLS_SETUP_CONFIRM:
2343 tf->category = WLAN_CATEGORY_TDLS;
2344 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2345
2346 skb_put(skb, sizeof(tf->u.setup_cfm));
2347 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2348 tf->u.setup_cfm.dialog_token = dialog_token;
2349 break;
2350 case WLAN_TDLS_TEARDOWN:
2351 tf->category = WLAN_CATEGORY_TDLS;
2352 tf->action_code = WLAN_TDLS_TEARDOWN;
2353
2354 skb_put(skb, sizeof(tf->u.teardown));
2355 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2356 break;
2357 case WLAN_TDLS_DISCOVERY_REQUEST:
2358 tf->category = WLAN_CATEGORY_TDLS;
2359 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2360
2361 skb_put(skb, sizeof(tf->u.discover_req));
2362 tf->u.discover_req.dialog_token = dialog_token;
2363 break;
2364 default:
2365 return -EINVAL;
2366 }
2367
2368 return 0;
2369}
2370
2371static int
2372ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2373 u8 *peer, u8 action_code, u8 dialog_token,
2374 u16 status_code, struct sk_buff *skb)
2375{
2376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2377 struct ieee80211_mgmt *mgmt;
2378
2379 mgmt = (void *)skb_put(skb, 24);
2380 memset(mgmt, 0, 24);
2381 memcpy(mgmt->da, peer, ETH_ALEN);
2382 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2383 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2384
2385 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2386 IEEE80211_STYPE_ACTION);
2387
2388 switch (action_code) {
2389 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2390 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2391 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2392 mgmt->u.action.u.tdls_discover_resp.action_code =
2393 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2394 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2395 dialog_token;
2396 mgmt->u.action.u.tdls_discover_resp.capability =
2397 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2398
2399 ieee80211_add_srates_ie(&sdata->vif, skb);
2400 ieee80211_add_ext_srates_ie(&sdata->vif, skb);
2401 ieee80211_tdls_add_ext_capab(skb);
2402 break;
2403 default:
2404 return -EINVAL;
2405 }
2406
2407 return 0;
2408}
2409
2410static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2411 u8 *peer, u8 action_code, u8 dialog_token,
2412 u16 status_code, const u8 *extra_ies,
2413 size_t extra_ies_len)
2414{
2415 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2416 struct ieee80211_local *local = sdata->local;
2417 struct ieee80211_tx_info *info;
2418 struct sk_buff *skb = NULL;
2419 bool send_direct;
2420 int ret;
2421
2422 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2423 return -ENOTSUPP;
2424
2425 /* make sure we are in managed mode, and associated */
2426 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2427 !sdata->u.mgd.associated)
2428 return -EINVAL;
2429
2430#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2431 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2432#endif
2433
2434 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2435 max(sizeof(struct ieee80211_mgmt),
2436 sizeof(struct ieee80211_tdls_data)) +
2437 50 + /* supported rates */
2438 7 + /* ext capab */
2439 extra_ies_len +
2440 sizeof(struct ieee80211_tdls_lnkie));
2441 if (!skb)
2442 return -ENOMEM;
2443
2444 info = IEEE80211_SKB_CB(skb);
2445 skb_reserve(skb, local->hw.extra_tx_headroom);
2446
2447 switch (action_code) {
2448 case WLAN_TDLS_SETUP_REQUEST:
2449 case WLAN_TDLS_SETUP_RESPONSE:
2450 case WLAN_TDLS_SETUP_CONFIRM:
2451 case WLAN_TDLS_TEARDOWN:
2452 case WLAN_TDLS_DISCOVERY_REQUEST:
2453 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2454 action_code, dialog_token,
2455 status_code, skb);
2456 send_direct = false;
2457 break;
2458 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2459 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2460 dialog_token, status_code,
2461 skb);
2462 send_direct = true;
2463 break;
2464 default:
2465 ret = -ENOTSUPP;
2466 break;
2467 }
2468
2469 if (ret < 0)
2470 goto fail;
2471
2472 if (extra_ies_len)
2473 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2474
2475 /* the TDLS link IE is always added last */
2476 switch (action_code) {
2477 case WLAN_TDLS_SETUP_REQUEST:
2478 case WLAN_TDLS_SETUP_CONFIRM:
2479 case WLAN_TDLS_TEARDOWN:
2480 case WLAN_TDLS_DISCOVERY_REQUEST:
2481 /* we are the initiator */
2482 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2483 sdata->u.mgd.bssid);
2484 break;
2485 case WLAN_TDLS_SETUP_RESPONSE:
2486 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2487 /* we are the responder */
2488 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2489 sdata->u.mgd.bssid);
2490 break;
2491 default:
2492 ret = -ENOTSUPP;
2493 goto fail;
2494 }
2495
2496 if (send_direct) {
2497 ieee80211_tx_skb(sdata, skb);
2498 return 0;
2499 }
2500
2501 /*
2502 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2503 * we should default to AC_VI.
2504 */
2505 switch (action_code) {
2506 case WLAN_TDLS_SETUP_REQUEST:
2507 case WLAN_TDLS_SETUP_RESPONSE:
2508 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2509 skb->priority = 2;
2510 break;
2511 default:
2512 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2513 skb->priority = 5;
2514 break;
2515 }
2516
2517 /* disable bottom halves when entering the Tx path */
2518 local_bh_disable();
2519 ret = ieee80211_subif_start_xmit(skb, dev);
2520 local_bh_enable();
2521
2522 return ret;
2523
2524fail:
2525 dev_kfree_skb(skb);
2526 return ret;
2527}
2528
2529static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2530 u8 *peer, enum nl80211_tdls_operation oper)
2531{
941c93cd 2532 struct sta_info *sta;
dfe018bf
AN
2533 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2534
2535 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2536 return -ENOTSUPP;
2537
2538 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2539 return -EINVAL;
2540
2541#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2542 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2543#endif
2544
2545 switch (oper) {
2546 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN
2547 rcu_read_lock();
2548 sta = sta_info_get(sdata, peer);
2549 if (!sta) {
2550 rcu_read_unlock();
2551 return -ENOLINK;
2552 }
2553
c2c98fde 2554 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2555 rcu_read_unlock();
dfe018bf
AN
2556 break;
2557 case NL80211_TDLS_DISABLE_LINK:
2558 return sta_info_destroy_addr(sdata, peer);
2559 case NL80211_TDLS_TEARDOWN:
2560 case NL80211_TDLS_SETUP:
2561 case NL80211_TDLS_DISCOVERY_REQ:
2562 /* We don't support in-driver setup/teardown/discovery */
2563 return -ENOTSUPP;
2564 default:
2565 return -ENOTSUPP;
2566 }
2567
2568 return 0;
2569}
2570
06500736
JB
2571static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2572 const u8 *peer, u64 *cookie)
2573{
2574 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2575 struct ieee80211_local *local = sdata->local;
2576 struct ieee80211_qos_hdr *nullfunc;
2577 struct sk_buff *skb;
2578 int size = sizeof(*nullfunc);
2579 __le16 fc;
2580 bool qos;
2581 struct ieee80211_tx_info *info;
2582 struct sta_info *sta;
2583
2584 rcu_read_lock();
2585 sta = sta_info_get(sdata, peer);
b4487c2d 2586 if (sta) {
06500736 2587 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB
2588 rcu_read_unlock();
2589 } else {
2590 rcu_read_unlock();
06500736 2591 return -ENOLINK;
b4487c2d 2592 }
06500736
JB
2593
2594 if (qos) {
2595 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2596 IEEE80211_STYPE_QOS_NULLFUNC |
2597 IEEE80211_FCTL_FROMDS);
2598 } else {
2599 size -= 2;
2600 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2601 IEEE80211_STYPE_NULLFUNC |
2602 IEEE80211_FCTL_FROMDS);
2603 }
2604
2605 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2606 if (!skb)
2607 return -ENOMEM;
2608
2609 skb->dev = dev;
2610
2611 skb_reserve(skb, local->hw.extra_tx_headroom);
2612
2613 nullfunc = (void *) skb_put(skb, size);
2614 nullfunc->frame_control = fc;
2615 nullfunc->duration_id = 0;
2616 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2617 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2618 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2619 nullfunc->seq_ctrl = 0;
2620
2621 info = IEEE80211_SKB_CB(skb);
2622
2623 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2624 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2625
2626 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2627 skb->priority = 7;
2628 if (qos)
2629 nullfunc->qos_ctrl = cpu_to_le16(7);
2630
2631 local_bh_disable();
2632 ieee80211_xmit(sdata, skb);
2633 local_bh_enable();
2634
2635 *cookie = (unsigned long) skb;
2636 return 0;
2637}
2638
e999882a
JB
2639static struct ieee80211_channel *
2640ieee80211_wiphy_get_channel(struct wiphy *wiphy)
2641{
2642 struct ieee80211_local *local = wiphy_priv(wiphy);
2643
2644 return local->oper_channel;
2645}
2646
f0706e82
JB
2647struct cfg80211_ops mac80211_config_ops = {
2648 .add_virtual_intf = ieee80211_add_iface,
2649 .del_virtual_intf = ieee80211_del_iface,
42613db7 2650 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB
2651 .add_key = ieee80211_add_key,
2652 .del_key = ieee80211_del_key,
62da92fb 2653 .get_key = ieee80211_get_key,
e8cbb4cb 2654 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 2655 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB
2656 .add_beacon = ieee80211_add_beacon,
2657 .set_beacon = ieee80211_set_beacon,
2658 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB
2659 .add_station = ieee80211_add_station,
2660 .del_station = ieee80211_del_station,
2661 .change_station = ieee80211_change_station,
7bbdd2d9 2662 .get_station = ieee80211_get_station,
c5dd9c2b 2663 .dump_station = ieee80211_dump_station,
1289723e 2664 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC
2665#ifdef CONFIG_MAC80211_MESH
2666 .add_mpath = ieee80211_add_mpath,
2667 .del_mpath = ieee80211_del_mpath,
2668 .change_mpath = ieee80211_change_mpath,
2669 .get_mpath = ieee80211_get_mpath,
2670 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC
2671 .update_mesh_config = ieee80211_update_mesh_config,
2672 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB
2673 .join_mesh = ieee80211_join_mesh,
2674 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 2675#endif
9f1ba906 2676 .change_bss = ieee80211_change_bss,
31888487 2677 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 2678 .set_channel = ieee80211_set_channel,
665af4fc
BC
2679 .suspend = ieee80211_suspend,
2680 .resume = ieee80211_resume,
2a519311 2681 .scan = ieee80211_scan,
79f460ca
LC
2682 .sched_scan_start = ieee80211_sched_scan_start,
2683 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM
2684 .auth = ieee80211_auth,
2685 .assoc = ieee80211_assoc,
2686 .deauth = ieee80211_deauth,
2687 .disassoc = ieee80211_disassoc,
af8cdcd8
JB
2688 .join_ibss = ieee80211_join_ibss,
2689 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 2690 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB
2691 .set_tx_power = ieee80211_set_tx_power,
2692 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 2693 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 2694 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 2695 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 2696 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 2697 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 2698 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB
2699 .remain_on_channel = ieee80211_remain_on_channel,
2700 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 2701 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 2702 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 2703 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 2704 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR
2705 .set_antenna = ieee80211_set_antenna,
2706 .get_antenna = ieee80211_get_antenna,
38c09159
JL
2707 .set_ringparam = ieee80211_set_ringparam,
2708 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 2709 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN
2710 .tdls_oper = ieee80211_tdls_oper,
2711 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 2712 .probe_client = ieee80211_probe_client,
e999882a 2713 .get_channel = ieee80211_wiphy_get_channel,
b53be792 2714 .set_noack_map = ieee80211_set_noack_map,
f0706e82 2715};
This page took 0.715734 seconds and 5 git commands to generate.