mac80211: VHT peer STA caps
[linux-2.6-block.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
552bff0c
JB
23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
24 const char *name,
84efbb84
JB
25 enum nl80211_iftype type,
26 u32 *flags,
27 struct vif_params *params)
f0706e82
JB
28{
29 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 30 struct wireless_dev *wdev;
8cc9a739
MW
31 struct ieee80211_sub_if_data *sdata;
32 int err;
f0706e82 33
84efbb84 34 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB
35 if (err)
36 return ERR_PTR(err);
8cc9a739 37
f9e10ce4 38 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB
40 sdata->u.mntr_flags = *flags;
41 }
42
84efbb84 43 return wdev;
f0706e82
JB
44}
45
84efbb84 46static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 47{
84efbb84 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 49
75636525 50 return 0;
f0706e82
JB
51}
52
e36d56b6
JB
53static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
2ec600d6
LCC
55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
42613db7 57{
9607e6b6 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 59 int ret;
42613db7 60
05c914fe 61 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB
62 if (ret)
63 return ret;
42613db7 64
9bc383de
JB
65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
a9b3cd7f 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB
68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
71
85416a4f
CL
72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
74
75 if (ieee80211_sdata_running(sdata)) {
76 /*
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
83 */
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
86 return -EBUSY;
87
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
91
92 ieee80211_configure_filter(local);
93 } else {
94 /*
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
98 */
99 sdata->u.mntr_flags = *flags;
100 }
101 }
f7917af9 102
42613db7
JB
103 return 0;
104}
105
f142c6b9
JB
106static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
108{
109 return ieee80211_do_open(wdev, true);
110}
111
112static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
114{
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
116}
117
b53be792
SW
118static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
120 u16 noack_map)
121{
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
123
124 sdata->noack_map = noack_map;
125 return 0;
126}
127
e8cbb4cb 128static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 129 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB
130 struct key_params *params)
131{
26a58456 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 133 struct sta_info *sta = NULL;
db4d1169 134 struct ieee80211_key *key;
3b96766f 135 int err;
e8cbb4cb 136
26a58456 137 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB
138 return -ENETDOWN;
139
97359d12 140 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB
141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 143 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB
144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
146 return -EINVAL;
3cfcf6ac 147 break;
e8cbb4cb 148 default:
97359d12 149 break;
e8cbb4cb
JB
150 }
151
97359d12
JB
152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
1ac62ba7
BH
154 if (IS_ERR(key))
155 return PTR_ERR(key);
db4d1169 156
e31b8213
JB
157 if (pairwise)
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
159
ad0e2b5a 160 mutex_lock(&sdata->local->sta_mtx);
3b96766f 161
e8cbb4cb 162 if (mac_addr) {
ff973af7
TP
163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
165 else
166 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 167 if (!sta) {
32162a4d 168 ieee80211_key_free(sdata->local, key);
3b96766f
JB
169 err = -ENOENT;
170 goto out_unlock;
db4d1169 171 }
e8cbb4cb
JB
172 }
173
e548c49e
JB
174 switch (sdata->vif.type) {
175 case NL80211_IFTYPE_STATION:
176 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
177 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
178 break;
179 case NL80211_IFTYPE_AP:
180 case NL80211_IFTYPE_AP_VLAN:
181 /* Keys without a station are used for TX only */
182 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
183 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
184 break;
185 case NL80211_IFTYPE_ADHOC:
186 /* no MFP (yet) */
187 break;
188 case NL80211_IFTYPE_MESH_POINT:
189#ifdef CONFIG_MAC80211_MESH
190 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
191 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
192 break;
193#endif
194 case NL80211_IFTYPE_WDS:
195 case NL80211_IFTYPE_MONITOR:
196 case NL80211_IFTYPE_P2P_DEVICE:
197 case NL80211_IFTYPE_UNSPECIFIED:
198 case NUM_NL80211_IFTYPES:
199 case NL80211_IFTYPE_P2P_CLIENT:
200 case NL80211_IFTYPE_P2P_GO:
201 /* shouldn't happen */
202 WARN_ON_ONCE(1);
203 break;
204 }
205
3ffc2a90
JB
206 err = ieee80211_key_link(key, sdata, sta);
207 if (err)
208 ieee80211_key_free(sdata->local, key);
db4d1169 209
3b96766f 210 out_unlock:
ad0e2b5a 211 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB
212
213 return err;
e8cbb4cb
JB
214}
215
216static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 217 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 218{
5c0c3641
JB
219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
220 struct ieee80211_local *local = sdata->local;
e8cbb4cb 221 struct sta_info *sta;
5c0c3641 222 struct ieee80211_key *key = NULL;
e8cbb4cb
JB
223 int ret;
224
5c0c3641
JB
225 mutex_lock(&local->sta_mtx);
226 mutex_lock(&local->key_mtx);
3b96766f 227
e8cbb4cb 228 if (mac_addr) {
3b96766f
JB
229 ret = -ENOENT;
230
0e5ded5a 231 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 232 if (!sta)
3b96766f 233 goto out_unlock;
e8cbb4cb 234
5c0c3641 235 if (pairwise)
40b275b6 236 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 237 else
40b275b6 238 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 239 } else
40b275b6 240 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 241
5c0c3641 242 if (!key) {
3b96766f
JB
243 ret = -ENOENT;
244 goto out_unlock;
245 }
e8cbb4cb 246
5c0c3641 247 __ieee80211_key_free(key);
e8cbb4cb 248
3b96766f
JB
249 ret = 0;
250 out_unlock:
5c0c3641
JB
251 mutex_unlock(&local->key_mtx);
252 mutex_unlock(&local->sta_mtx);
3b96766f
JB
253
254 return ret;
e8cbb4cb
JB
255}
256
62da92fb 257static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB
258 u8 key_idx, bool pairwise, const u8 *mac_addr,
259 void *cookie,
62da92fb
JB
260 void (*callback)(void *cookie,
261 struct key_params *params))
262{
14db74bc 263 struct ieee80211_sub_if_data *sdata;
62da92fb
JB
264 struct sta_info *sta = NULL;
265 u8 seq[6] = {0};
266 struct key_params params;
e31b8213 267 struct ieee80211_key *key = NULL;
aba83a0b 268 u64 pn64;
62da92fb
JB
269 u32 iv32;
270 u16 iv16;
271 int err = -ENOENT;
272
14db74bc
JB
273 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
274
3b96766f
JB
275 rcu_read_lock();
276
62da92fb 277 if (mac_addr) {
0e5ded5a 278 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB
279 if (!sta)
280 goto out;
281
e31b8213 282 if (pairwise)
a3836e02 283 key = rcu_dereference(sta->ptk);
e31b8213 284 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 285 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 286 } else
a3836e02 287 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB
288
289 if (!key)
290 goto out;
291
292 memset(&params, 0, sizeof(params));
293
97359d12 294 params.cipher = key->conf.cipher;
62da92fb 295
97359d12
JB
296 switch (key->conf.cipher) {
297 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH
298 iv32 = key->u.tkip.tx.iv32;
299 iv16 = key->u.tkip.tx.iv16;
62da92fb 300
24487981
JB
301 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
302 drv_get_tkip_seq(sdata->local,
303 key->conf.hw_key_idx,
304 &iv32, &iv16);
62da92fb
JB
305
306 seq[0] = iv16 & 0xff;
307 seq[1] = (iv16 >> 8) & 0xff;
308 seq[2] = iv32 & 0xff;
309 seq[3] = (iv32 >> 8) & 0xff;
310 seq[4] = (iv32 >> 16) & 0xff;
311 seq[5] = (iv32 >> 24) & 0xff;
312 params.seq = seq;
313 params.seq_len = 6;
314 break;
97359d12 315 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB
316 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
317 seq[0] = pn64;
318 seq[1] = pn64 >> 8;
319 seq[2] = pn64 >> 16;
320 seq[3] = pn64 >> 24;
321 seq[4] = pn64 >> 32;
322 seq[5] = pn64 >> 40;
62da92fb
JB
323 params.seq = seq;
324 params.seq_len = 6;
325 break;
97359d12 326 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB
327 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
328 seq[0] = pn64;
329 seq[1] = pn64 >> 8;
330 seq[2] = pn64 >> 16;
331 seq[3] = pn64 >> 24;
332 seq[4] = pn64 >> 32;
333 seq[5] = pn64 >> 40;
3cfcf6ac
JM
334 params.seq = seq;
335 params.seq_len = 6;
336 break;
62da92fb
JB
337 }
338
339 params.key = key->conf.key;
340 params.key_len = key->conf.keylen;
341
342 callback(cookie, &params);
343 err = 0;
344
345 out:
3b96766f 346 rcu_read_unlock();
62da92fb
JB
347 return err;
348}
349
e8cbb4cb
JB
350static int ieee80211_config_default_key(struct wiphy *wiphy,
351 struct net_device *dev,
dbd2fd65
JB
352 u8 key_idx, bool uni,
353 bool multi)
e8cbb4cb 354{
ad0e2b5a 355 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 356
f7e0104c 357 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB
358
359 return 0;
360}
361
3cfcf6ac
JM
362static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
363 struct net_device *dev,
364 u8 key_idx)
365{
66c52421 366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 367
3cfcf6ac
JM
368 ieee80211_set_default_mgmt_key(sdata, key_idx);
369
3cfcf6ac
JM
370 return 0;
371}
372
3af6334c
FF
373static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
374{
55de908a
JB
375 enum ieee80211_band band = ieee80211_get_sdata_band(sta->sdata);
376
3af6334c
FF
377 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
378 struct ieee80211_supported_band *sband;
55de908a 379 sband = sta->local->hw.wiphy->bands[band];
3af6334c
FF
380 rate->legacy = sband->bitrates[idx].bitrate;
381 } else
382 rate->mcs = idx;
383}
384
6b62bf32
TP
385void sta_set_rate_info_tx(struct sta_info *sta,
386 const struct ieee80211_tx_rate *rate,
387 struct rate_info *rinfo)
388{
389 rinfo->flags = 0;
390 if (rate->flags & IEEE80211_TX_RC_MCS)
391 rinfo->flags |= RATE_INFO_FLAGS_MCS;
392 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
393 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
394 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
395 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
396 rate_idx_to_bitrate(rinfo, sta, rate->idx);
397}
398
c5dd9c2b
LCC
399static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
400{
d0709a65 401 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 402 struct ieee80211_local *local = sdata->local;
ebe27c91 403 struct timespec uptime;
c5dd9c2b 404
f5ea9120
JB
405 sinfo->generation = sdata->local->sta_generation;
406
c5dd9c2b
LCC
407 sinfo->filled = STATION_INFO_INACTIVE_TIME |
408 STATION_INFO_RX_BYTES |
420e7fab 409 STATION_INFO_TX_BYTES |
98c8a60a
JM
410 STATION_INFO_RX_PACKETS |
411 STATION_INFO_TX_PACKETS |
b206b4ef
BR
412 STATION_INFO_TX_RETRIES |
413 STATION_INFO_TX_FAILED |
5a5c731a 414 STATION_INFO_TX_BITRATE |
3af6334c 415 STATION_INFO_RX_BITRATE |
f4263c98 416 STATION_INFO_RX_DROP_MISC |
ebe27c91 417 STATION_INFO_BSS_PARAM |
7a724767 418 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS
419 STATION_INFO_STA_FLAGS |
420 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS
421
422 do_posix_clock_monotonic_gettime(&uptime);
423 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC
424
425 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
426 sinfo->rx_bytes = sta->rx_bytes;
427 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM
428 sinfo->rx_packets = sta->rx_packets;
429 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR
430 sinfo->tx_retries = sta->tx_retry_count;
431 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 432 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 433 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 434
19deffbe
JL
435 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
436 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 437 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG
438 if (!local->ops->get_rssi ||
439 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
440 sinfo->signal = (s8)sta->last_signal;
541a45a1 441 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR
442 }
443
6b62bf32 444 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF
445
446 sinfo->rxrate.flags = 0;
447 if (sta->last_rx_rate_flag & RX_FLAG_HT)
448 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
449 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
450 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
451 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
452 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
453 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 454
902acc78 455 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 456#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC
457 sinfo->filled |= STATION_INFO_LLID |
458 STATION_INFO_PLID |
459 STATION_INFO_PLINK_STATE;
460
461 sinfo->llid = le16_to_cpu(sta->llid);
462 sinfo->plid = le16_to_cpu(sta->plid);
463 sinfo->plink_state = sta->plink_state;
d299a1f2
JC
464 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
465 sinfo->filled |= STATION_INFO_T_OFFSET;
466 sinfo->t_offset = sta->t_offset;
467 }
c5dd9c2b 468#endif
902acc78 469 }
f4263c98
PS
470
471 sinfo->bss_param.flags = 0;
472 if (sdata->vif.bss_conf.use_cts_prot)
473 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
474 if (sdata->vif.bss_conf.use_short_preamble)
475 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
476 if (sdata->vif.bss_conf.use_short_slot)
477 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
478 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
479 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS
480
481 sinfo->sta_flags.set = 0;
482 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
483 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
484 BIT(NL80211_STA_FLAG_WME) |
485 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS
486 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
487 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS
488 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
489 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
490 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
491 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
492 if (test_sta_flag(sta, WLAN_STA_WME))
493 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
494 if (test_sta_flag(sta, WLAN_STA_MFP))
495 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
496 if (test_sta_flag(sta, WLAN_STA_AUTH))
497 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS
498 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
499 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC
500}
501
b1ab7925
BG
502static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
503 "rx_packets", "rx_bytes", "wep_weak_iv_count",
504 "rx_duplicates", "rx_fragments", "rx_dropped",
505 "tx_packets", "tx_bytes", "tx_fragments",
506 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG
507 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
508 "channel", "noise", "ch_time", "ch_time_busy",
509 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG
510};
511#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
512
513static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
514 struct net_device *dev,
515 int sset)
516{
e352114f
BG
517 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
518 int rv = 0;
519
b1ab7925 520 if (sset == ETH_SS_STATS)
e352114f
BG
521 rv += STA_STATS_LEN;
522
523 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 524
e352114f
BG
525 if (rv == 0)
526 return -EOPNOTSUPP;
527 return rv;
b1ab7925
BG
528}
529
530static void ieee80211_get_et_stats(struct wiphy *wiphy,
531 struct net_device *dev,
532 struct ethtool_stats *stats,
533 u64 *data)
534{
535 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a
JB
536 struct ieee80211_chanctx_conf *chanctx_conf;
537 struct ieee80211_channel *channel;
b1ab7925
BG
538 struct sta_info *sta;
539 struct ieee80211_local *local = sdata->local;
3073a7c2
BG
540 struct station_info sinfo;
541 struct survey_info survey;
542 int i, q;
543#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG
544
545 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
546
547#define ADD_STA_STATS(sta) \
548 do { \
549 data[i++] += sta->rx_packets; \
550 data[i++] += sta->rx_bytes; \
551 data[i++] += sta->wep_weak_iv_count; \
552 data[i++] += sta->num_duplicates; \
553 data[i++] += sta->rx_fragments; \
554 data[i++] += sta->rx_dropped; \
555 \
556 data[i++] += sta->tx_packets; \
557 data[i++] += sta->tx_bytes; \
558 data[i++] += sta->tx_fragments; \
559 data[i++] += sta->tx_filtered_count; \
560 data[i++] += sta->tx_retry_failed; \
561 data[i++] += sta->tx_retry_count; \
562 data[i++] += sta->beacon_loss_count; \
563 } while (0)
564
565 /* For Managed stations, find the single station based on BSSID
566 * and use that. For interface types, iterate through all available
567 * stations and add stats for any station that is assigned to this
568 * network device.
569 */
570
66572cfc 571 mutex_lock(&local->sta_mtx);
b1ab7925
BG
572
573 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
574 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG
575
576 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
577 goto do_survey;
578
579 i = 0;
580 ADD_STA_STATS(sta);
581
582 data[i++] = sta->sta_state;
583
584 sinfo.filled = 0;
585 sta_set_sinfo(sta, &sinfo);
586
5204267d 587 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG
588 data[i] = 100000 *
589 cfg80211_calculate_bitrate(&sinfo.txrate);
590 i++;
5204267d 591 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG
592 data[i] = 100000 *
593 cfg80211_calculate_bitrate(&sinfo.rxrate);
594 i++;
595
5204267d 596 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG
597 data[i] = (u8)sinfo.signal_avg;
598 i++;
b1ab7925 599 } else {
66572cfc 600 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG
601 /* Make sure this station belongs to the proper dev */
602 if (sta->sdata->dev != dev)
603 continue;
604
605 i = 0;
606 ADD_STA_STATS(sta);
b1ab7925
BG
607 }
608 }
609
3073a7c2
BG
610do_survey:
611 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
612 /* Get survey stats for current channel */
55de908a 613 survey.filled = 0;
3073a7c2 614
55de908a
JB
615 rcu_read_lock();
616 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
617 if (chanctx_conf)
618 channel = chanctx_conf->channel;
619 else
620 channel = NULL;
621 rcu_read_unlock();
622
623 if (channel) {
624 q = 0;
625 do {
626 survey.filled = 0;
627 if (drv_get_survey(local, q, &survey) != 0) {
628 survey.filled = 0;
629 break;
630 }
631 q++;
632 } while (channel != survey.channel);
3073a7c2
BG
633 }
634
635 if (survey.filled)
636 data[i++] = survey.channel->center_freq;
637 else
638 data[i++] = 0;
639 if (survey.filled & SURVEY_INFO_NOISE_DBM)
640 data[i++] = (u8)survey.noise;
641 else
642 data[i++] = -1LL;
643 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
644 data[i++] = survey.channel_time;
645 else
646 data[i++] = -1LL;
647 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
648 data[i++] = survey.channel_time_busy;
649 else
650 data[i++] = -1LL;
651 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
652 data[i++] = survey.channel_time_ext_busy;
653 else
654 data[i++] = -1LL;
655 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
656 data[i++] = survey.channel_time_rx;
657 else
658 data[i++] = -1LL;
659 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
660 data[i++] = survey.channel_time_tx;
661 else
662 data[i++] = -1LL;
663
66572cfc 664 mutex_unlock(&local->sta_mtx);
e352114f 665
3073a7c2
BG
666 if (WARN_ON(i != STA_STATS_LEN))
667 return;
668
e352114f 669 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG
670}
671
672static void ieee80211_get_et_strings(struct wiphy *wiphy,
673 struct net_device *dev,
674 u32 sset, u8 *data)
675{
e352114f
BG
676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
677 int sz_sta_stats = 0;
678
b1ab7925 679 if (sset == ETH_SS_STATS) {
e352114f 680 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG
681 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
682 }
e352114f 683 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 684}
c5dd9c2b
LCC
685
686static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
687 int idx, u8 *mac, struct station_info *sinfo)
688{
3b53fde8 689 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 690 struct ieee80211_local *local = sdata->local;
c5dd9c2b 691 struct sta_info *sta;
d0709a65
JB
692 int ret = -ENOENT;
693
66572cfc 694 mutex_lock(&local->sta_mtx);
c5dd9c2b 695
3b53fde8 696 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB
697 if (sta) {
698 ret = 0;
17741cdc 699 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB
700 sta_set_sinfo(sta, sinfo);
701 }
c5dd9c2b 702
66572cfc 703 mutex_unlock(&local->sta_mtx);
c5dd9c2b 704
d0709a65 705 return ret;
c5dd9c2b
LCC
706}
707
1289723e
HS
708static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
709 int idx, struct survey_info *survey)
710{
711 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
712
1289723e
HS
713 return drv_get_survey(local, idx, survey);
714}
715
7bbdd2d9 716static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 717 u8 *mac, struct station_info *sinfo)
7bbdd2d9 718{
abe60632 719 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 720 struct ieee80211_local *local = sdata->local;
7bbdd2d9 721 struct sta_info *sta;
d0709a65 722 int ret = -ENOENT;
7bbdd2d9 723
66572cfc 724 mutex_lock(&local->sta_mtx);
7bbdd2d9 725
0e5ded5a 726 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB
727 if (sta) {
728 ret = 0;
729 sta_set_sinfo(sta, sinfo);
730 }
731
66572cfc 732 mutex_unlock(&local->sta_mtx);
d0709a65
JB
733
734 return ret;
7bbdd2d9
JB
735}
736
55de908a
JB
737static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
738 struct ieee80211_channel *chan,
739 enum nl80211_channel_type channel_type)
3d9e6e12
JB
740{
741 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a
JB
742 struct ieee80211_sub_if_data *sdata;
743 int ret = 0;
3d9e6e12 744
55de908a
JB
745 if (local->monitor_channel == chan &&
746 local->monitor_channel_type == channel_type)
747 return 0;
3d9e6e12 748
55de908a
JB
749 mutex_lock(&local->iflist_mtx);
750 if (local->use_chanctx) {
751 sdata = rcu_dereference_protected(
752 local->monitor_sdata,
753 lockdep_is_held(&local->iflist_mtx));
754 if (sdata) {
755 ieee80211_vif_release_channel(sdata);
756 ret = ieee80211_vif_use_channel(
757 sdata, chan, channel_type,
758 IEEE80211_CHANCTX_EXCLUSIVE);
759 }
760 } else if (local->open_count == local->monitors) {
761 local->_oper_channel = chan;
762 local->_oper_channel_type = channel_type;
763 ieee80211_hw_config(local, 0);
764 }
3d9e6e12 765
55de908a
JB
766 if (ret == 0) {
767 local->monitor_channel = chan;
768 local->monitor_channel_type = channel_type;
769 }
770 mutex_unlock(&local->iflist_mtx);
3d9e6e12 771
55de908a 772 return ret;
e8c9bd5b
JB
773}
774
02945821 775static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 776 const u8 *resp, size_t resp_len)
02945821 777{
aa7a0080 778 struct probe_resp *new, *old;
02945821
AN
779
780 if (!resp || !resp_len)
aba4e6ff 781 return 1;
02945821 782
f724828b 783 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821 784
aa7a0080 785 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
02945821
AN
786 if (!new)
787 return -ENOMEM;
788
aa7a0080
ES
789 new->len = resp_len;
790 memcpy(new->data, resp, resp_len);
02945821
AN
791
792 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
aa7a0080
ES
793 if (old)
794 kfree_rcu(old, rcu_head);
02945821
AN
795
796 return 0;
797}
798
8860020e
JB
799static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
800 struct cfg80211_beacon_data *params)
5dfdaf58
JB
801{
802 struct beacon_data *new, *old;
803 int new_head_len, new_tail_len;
8860020e
JB
804 int size, err;
805 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 806
40b275b6 807 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 808
5dfdaf58
JB
809 /* Need to have a beacon head if we don't have one yet */
810 if (!params->head && !old)
8860020e 811 return -EINVAL;
5dfdaf58
JB
812
813 /* new or old head? */
814 if (params->head)
815 new_head_len = params->head_len;
816 else
817 new_head_len = old->head_len;
818
819 /* new or old tail? */
820 if (params->tail || !old)
821 /* params->tail_len will be zero for !params->tail */
822 new_tail_len = params->tail_len;
823 else
824 new_tail_len = old->tail_len;
825
826 size = sizeof(*new) + new_head_len + new_tail_len;
827
828 new = kzalloc(size, GFP_KERNEL);
829 if (!new)
830 return -ENOMEM;
831
832 /* start filling the new info now */
833
5dfdaf58
JB
834 /*
835 * pointers go into the block we allocated,
836 * memory is | beacon_data | head | tail |
837 */
838 new->head = ((u8 *) new) + sizeof(*new);
839 new->tail = new->head + new_head_len;
840 new->head_len = new_head_len;
841 new->tail_len = new_tail_len;
842
843 /* copy in head */
844 if (params->head)
845 memcpy(new->head, params->head, new_head_len);
846 else
847 memcpy(new->head, old->head, new_head_len);
848
849 /* copy in optional tail */
850 if (params->tail)
851 memcpy(new->tail, params->tail, new_tail_len);
852 else
853 if (old)
854 memcpy(new->tail, old->tail, new_tail_len);
855
02945821
AN
856 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
857 params->probe_resp_len);
8860020e
JB
858 if (err < 0)
859 return err;
860 if (err == 0)
02945821
AN
861 changed |= BSS_CHANGED_AP_PROBE_RESP;
862
8860020e
JB
863 rcu_assign_pointer(sdata->u.ap.beacon, new);
864
865 if (old)
866 kfree_rcu(old, rcu_head);
7827493b 867
8860020e 868 return changed;
5dfdaf58
JB
869}
870
8860020e
JB
871static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
872 struct cfg80211_ap_settings *params)
5dfdaf58 873{
8860020e 874 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 875 struct beacon_data *old;
665c93a9 876 struct ieee80211_sub_if_data *vlan;
8860020e
JB
877 u32 changed = BSS_CHANGED_BEACON_INT |
878 BSS_CHANGED_BEACON_ENABLED |
879 BSS_CHANGED_BEACON |
880 BSS_CHANGED_SSID;
881 int err;
14db74bc 882
40b275b6 883 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
884 if (old)
885 return -EALREADY;
886
04ecd257
JB
887 /* TODO: make hostapd tell us what it wants */
888 sdata->smps_mode = IEEE80211_SMPS_OFF;
889 sdata->needed_rx_chains = sdata->local->rx_chains;
890
55de908a
JB
891 err = ieee80211_vif_use_channel(sdata, params->channel,
892 params->channel_type,
893 IEEE80211_CHANCTX_SHARED);
aa430da4
JB
894 if (err)
895 return err;
896
665c93a9
JB
897 /*
898 * Apply control port protocol, this allows us to
899 * not encrypt dynamic WEP control frames.
900 */
901 sdata->control_port_protocol = params->crypto.control_port_ethertype;
902 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
903 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
904 vlan->control_port_protocol =
905 params->crypto.control_port_ethertype;
906 vlan->control_port_no_encrypt =
907 params->crypto.control_port_no_encrypt;
908 }
909
8860020e
JB
910 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
911 sdata->vif.bss_conf.dtim_period = params->dtim_period;
912
913 sdata->vif.bss_conf.ssid_len = params->ssid_len;
914 if (params->ssid_len)
915 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
916 params->ssid_len);
917 sdata->vif.bss_conf.hidden_ssid =
918 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
919
920 err = ieee80211_assign_beacon(sdata, &params->beacon);
921 if (err < 0)
922 return err;
923 changed |= err;
924
925 ieee80211_bss_info_change_notify(sdata, changed);
926
3edaf3e6
JB
927 netif_carrier_on(dev);
928 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
929 netif_carrier_on(vlan->dev);
930
665c93a9 931 return 0;
5dfdaf58
JB
932}
933
8860020e
JB
934static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
935 struct cfg80211_beacon_data *params)
5dfdaf58 936{
14db74bc 937 struct ieee80211_sub_if_data *sdata;
5dfdaf58 938 struct beacon_data *old;
8860020e 939 int err;
5dfdaf58 940
14db74bc
JB
941 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
942
40b275b6 943 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
944 if (!old)
945 return -ENOENT;
946
8860020e
JB
947 err = ieee80211_assign_beacon(sdata, params);
948 if (err < 0)
949 return err;
950 ieee80211_bss_info_change_notify(sdata, err);
951 return 0;
5dfdaf58
JB
952}
953
8860020e 954static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 955{
3edaf3e6 956 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB
957 struct beacon_data *old;
958
14db74bc
JB
959 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
960
40b275b6 961 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB
962 if (!old)
963 return -ENOENT;
964
3edaf3e6
JB
965 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
966 netif_carrier_off(vlan->dev);
967 netif_carrier_off(dev);
968
a9b3cd7f 969 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB
970
971 kfree_rcu(old, rcu_head);
5dfdaf58 972
99102bd3 973 sta_info_flush(sdata->local, sdata);
2d0ddec5 974 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 975
55de908a
JB
976 ieee80211_vif_release_channel(sdata);
977
2d0ddec5 978 return 0;
5dfdaf58
JB
979}
980
4fd6931e
JB
981/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
982struct iapp_layer2_update {
983 u8 da[ETH_ALEN]; /* broadcast */
984 u8 sa[ETH_ALEN]; /* STA addr */
985 __be16 len; /* 6 */
986 u8 dsap; /* 0 */
987 u8 ssap; /* 0 */
988 u8 control;
989 u8 xid_info[3];
bc10502d 990} __packed;
4fd6931e
JB
991
992static void ieee80211_send_layer2_update(struct sta_info *sta)
993{
994 struct iapp_layer2_update *msg;
995 struct sk_buff *skb;
996
997 /* Send Level 2 Update Frame to update forwarding tables in layer 2
998 * bridge devices */
999
1000 skb = dev_alloc_skb(sizeof(*msg));
1001 if (!skb)
1002 return;
1003 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1004
1005 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1006 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1007
e83e6541 1008 eth_broadcast_addr(msg->da);
17741cdc 1009 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB
1010 msg->len = htons(6);
1011 msg->dsap = 0;
1012 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1013 msg->control = 0xaf; /* XID response lsb.1111F101.
1014 * F=0 (no poll command; unsolicited frame) */
1015 msg->xid_info[0] = 0x81; /* XID format identifier */
1016 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1017 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1018
d0709a65
JB
1019 skb->dev = sta->sdata->dev;
1020 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 1021 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 1022 netif_rx_ni(skb);
4fd6931e
JB
1023}
1024
d9a7ddb0
JB
1025static int sta_apply_parameters(struct ieee80211_local *local,
1026 struct sta_info *sta,
1027 struct station_parameters *params)
4fd6931e 1028{
d9a7ddb0 1029 int ret = 0;
4fd6931e
JB
1030 u32 rates;
1031 int i, j;
8318d78a 1032 struct ieee80211_supported_band *sband;
d0709a65 1033 struct ieee80211_sub_if_data *sdata = sta->sdata;
55de908a 1034 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
eccb8e8f 1035 u32 mask, set;
4fd6931e 1036
55de908a 1037 sband = local->hw.wiphy->bands[band];
ae5eb026 1038
eccb8e8f
JB
1039 mask = params->sta_flags_mask;
1040 set = params->sta_flags_set;
73651ee6 1041
d9a7ddb0
JB
1042 /*
1043 * In mesh mode, we can clear AUTHENTICATED flag but must
1044 * also make ASSOCIATED follow appropriately for the driver
1045 * API. See also below, after AUTHORIZED changes.
1046 */
1047 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1048 /* cfg80211 should not allow this in non-mesh modes */
1049 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1050 return -EINVAL;
1051
1052 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1053 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1054 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB
1055 if (ret)
1056 return ret;
83d5cc01 1057 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB
1058 if (ret)
1059 return ret;
1060 }
1061 }
1062
eccb8e8f 1063 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1064 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1065 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1066 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1067 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB
1068 if (ret)
1069 return ret;
1070 }
1071
1072 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1073 /* cfg80211 should not allow this in non-mesh modes */
1074 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1075 return -EINVAL;
1076
1077 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1078 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1079 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB
1080 if (ret)
1081 return ret;
83d5cc01 1082 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB
1083 if (ret)
1084 return ret;
1085 }
eccb8e8f 1086 }
4fd6931e 1087
d9a7ddb0 1088
eccb8e8f 1089 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1090 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB
1091 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1092 else
1093 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1094 }
4fd6931e 1095
eccb8e8f 1096 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1097 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1098 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1099 sta->sta.wme = true;
c2c98fde
JB
1100 } else {
1101 clear_sta_flag(sta, WLAN_STA_WME);
1102 sta->sta.wme = false;
39df600a 1103 }
eccb8e8f 1104 }
5394af4d 1105
eccb8e8f 1106 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1107 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB
1108 set_sta_flag(sta, WLAN_STA_MFP);
1109 else
1110 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1111 }
b39c48fa 1112
07ba55d7 1113 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1114 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB
1115 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1116 else
1117 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1118 }
4fd6931e 1119
3b9ce80c
JB
1120 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1121 sta->sta.uapsd_queues = params->uapsd_queues;
1122 sta->sta.max_sp = params->max_sp;
1123 }
9533b4ac 1124
51b50fbe
JB
1125 /*
1126 * cfg80211 validates this (1-2007) and allows setting the AID
1127 * only when creating a new station entry
1128 */
1129 if (params->aid)
1130 sta->sta.aid = params->aid;
1131
73651ee6
JB
1132 /*
1133 * FIXME: updating the following information is racy when this
1134 * function is called from ieee80211_change_station().
1135 * However, all this information should be static so
1136 * maybe we should just reject attemps to change it.
1137 */
1138
4fd6931e
JB
1139 if (params->listen_interval >= 0)
1140 sta->listen_interval = params->listen_interval;
1141
1142 if (params->supported_rates) {
1143 rates = 0;
8318d78a 1144
4fd6931e
JB
1145 for (i = 0; i < params->supported_rates_len; i++) {
1146 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB
1147 for (j = 0; j < sband->n_bitrates; j++) {
1148 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB
1149 rates |= BIT(j);
1150 }
1151 }
55de908a 1152 sta->sta.supp_rates[band] = rates;
4fd6931e 1153 }
c5dd9c2b 1154
d9fe60de 1155 if (params->ht_capa)
ef96a842 1156 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1157 params->ht_capa,
d9fe60de 1158 &sta->sta.ht_cap);
36aedc90 1159
9c3990aa 1160 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1161#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC
1162 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1163 switch (params->plink_state) {
57cf8043
JC
1164 case NL80211_PLINK_LISTEN:
1165 case NL80211_PLINK_ESTAB:
1166 case NL80211_PLINK_BLOCKED:
9c3990aa
JC
1167 sta->plink_state = params->plink_state;
1168 break;
1169 default:
1170 /* nothing */
1171 break;
1172 }
1173 else
1174 switch (params->plink_action) {
1175 case PLINK_ACTION_OPEN:
1176 mesh_plink_open(sta);
1177 break;
1178 case PLINK_ACTION_BLOCK:
1179 mesh_plink_block(sta);
1180 break;
1181 }
4daf50f2 1182#endif
902acc78 1183 }
d9a7ddb0
JB
1184
1185 return 0;
4fd6931e
JB
1186}
1187
1188static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1189 u8 *mac, struct station_parameters *params)
1190{
14db74bc 1191 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB
1192 struct sta_info *sta;
1193 struct ieee80211_sub_if_data *sdata;
73651ee6 1194 int err;
b8d476c8 1195 int layer2_update;
4fd6931e 1196
4fd6931e
JB
1197 if (params->vlan) {
1198 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1199
05c914fe
JB
1200 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1201 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB
1202 return -EINVAL;
1203 } else
1204 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1205
b203ca39 1206 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB
1207 return -EINVAL;
1208
1209 if (is_multicast_ether_addr(mac))
1210 return -EINVAL;
1211
1212 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB
1213 if (!sta)
1214 return -ENOMEM;
4fd6931e 1215
83d5cc01
JB
1216 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1217 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1218
d9a7ddb0
JB
1219 err = sta_apply_parameters(local, sta, params);
1220 if (err) {
1221 sta_info_free(local, sta);
1222 return err;
1223 }
4fd6931e 1224
d64cf63e
AN
1225 /*
1226 * for TDLS, rate control should be initialized only when supported
1227 * rates are known.
1228 */
1229 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1230 rate_control_rate_init(sta);
4fd6931e 1231
b8d476c8
JM
1232 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1233 sdata->vif.type == NL80211_IFTYPE_AP;
1234
34e89507 1235 err = sta_info_insert_rcu(sta);
73651ee6 1236 if (err) {
73651ee6
JB
1237 rcu_read_unlock();
1238 return err;
1239 }
1240
b8d476c8 1241 if (layer2_update)
73651ee6
JB
1242 ieee80211_send_layer2_update(sta);
1243
1244 rcu_read_unlock();
1245
4fd6931e
JB
1246 return 0;
1247}
1248
1249static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1250 u8 *mac)
1251{
14db74bc
JB
1252 struct ieee80211_local *local = wiphy_priv(wiphy);
1253 struct ieee80211_sub_if_data *sdata;
4fd6931e 1254
14db74bc
JB
1255 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1256
34e89507
JB
1257 if (mac)
1258 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1259
34e89507 1260 sta_info_flush(local, sdata);
4fd6931e
JB
1261 return 0;
1262}
1263
1264static int ieee80211_change_station(struct wiphy *wiphy,
1265 struct net_device *dev,
1266 u8 *mac,
1267 struct station_parameters *params)
1268{
abe60632 1269 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1270 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB
1271 struct sta_info *sta;
1272 struct ieee80211_sub_if_data *vlansdata;
35b88623 1273 int err;
4fd6931e 1274
87be1e1e 1275 mutex_lock(&local->sta_mtx);
98dd6a57 1276
0e5ded5a 1277 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1278 if (!sta) {
87be1e1e 1279 mutex_unlock(&local->sta_mtx);
4fd6931e 1280 return -ENOENT;
98dd6a57 1281 }
4fd6931e 1282
bdd90d5e
JB
1283 /* in station mode, supported rates are only valid with TDLS */
1284 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1285 params->supported_rates &&
1286 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1287 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB
1288 return -EINVAL;
1289 }
1290
d0709a65 1291 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF
1292 bool prev_4addr = false;
1293 bool new_4addr = false;
1294
4fd6931e
JB
1295 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1296
05c914fe
JB
1297 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1298 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1299 mutex_unlock(&local->sta_mtx);
4fd6931e 1300 return -EINVAL;
98dd6a57 1301 }
4fd6931e 1302
9bc383de 1303 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1304 if (vlansdata->u.vlan.sta) {
87be1e1e 1305 mutex_unlock(&local->sta_mtx);
f14543ee 1306 return -EBUSY;
3305443c 1307 }
f14543ee 1308
cf778b00 1309 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF
1310 new_4addr = true;
1311 }
1312
1313 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1314 sta->sdata->u.vlan.sta) {
1315 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1316 prev_4addr = true;
f14543ee
FF
1317 }
1318
14db74bc 1319 sta->sdata = vlansdata;
7e3ed02c
FF
1320
1321 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1322 prev_4addr != new_4addr) {
1323 if (new_4addr)
1324 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1325 else
1326 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1327 }
1328
4fd6931e
JB
1329 ieee80211_send_layer2_update(sta);
1330 }
1331
35b88623
EP
1332 err = sta_apply_parameters(local, sta, params);
1333 if (err) {
1334 mutex_unlock(&local->sta_mtx);
1335 return err;
1336 }
4fd6931e 1337
d64cf63e
AN
1338 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1339 rate_control_rate_init(sta);
1340
87be1e1e 1341 mutex_unlock(&local->sta_mtx);
98dd6a57 1342
808118cb 1343 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
ab095877 1344 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
808118cb 1345 ieee80211_recalc_ps(local, -1);
ab095877
EP
1346 ieee80211_recalc_ps_vif(sdata);
1347 }
4fd6931e
JB
1348 return 0;
1349}
1350
c5dd9c2b
LCC
1351#ifdef CONFIG_MAC80211_MESH
1352static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1353 u8 *dst, u8 *next_hop)
1354{
14db74bc 1355 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1356 struct mesh_path *mpath;
1357 struct sta_info *sta;
1358 int err;
1359
14db74bc
JB
1360 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1361
d0709a65 1362 rcu_read_lock();
abe60632 1363 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
1364 if (!sta) {
1365 rcu_read_unlock();
c5dd9c2b 1366 return -ENOENT;
d0709a65 1367 }
c5dd9c2b 1368
f698d856 1369 err = mesh_path_add(dst, sdata);
d0709a65
JB
1370 if (err) {
1371 rcu_read_unlock();
c5dd9c2b 1372 return err;
d0709a65 1373 }
c5dd9c2b 1374
f698d856 1375 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1376 if (!mpath) {
1377 rcu_read_unlock();
c5dd9c2b
LCC
1378 return -ENXIO;
1379 }
1380 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1381
c5dd9c2b
LCC
1382 rcu_read_unlock();
1383 return 0;
1384}
1385
1386static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1387 u8 *dst)
1388{
f698d856
JBG
1389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1390
c5dd9c2b 1391 if (dst)
f698d856 1392 return mesh_path_del(dst, sdata);
c5dd9c2b 1393
ece1a2e7 1394 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC
1395 return 0;
1396}
1397
1398static int ieee80211_change_mpath(struct wiphy *wiphy,
1399 struct net_device *dev,
1400 u8 *dst, u8 *next_hop)
1401{
14db74bc 1402 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1403 struct mesh_path *mpath;
1404 struct sta_info *sta;
1405
14db74bc
JB
1406 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1407
d0709a65
JB
1408 rcu_read_lock();
1409
abe60632 1410 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
1411 if (!sta) {
1412 rcu_read_unlock();
c5dd9c2b 1413 return -ENOENT;
d0709a65 1414 }
c5dd9c2b 1415
f698d856 1416 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1417 if (!mpath) {
1418 rcu_read_unlock();
c5dd9c2b
LCC
1419 return -ENOENT;
1420 }
1421
1422 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1423
c5dd9c2b
LCC
1424 rcu_read_unlock();
1425 return 0;
1426}
1427
1428static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1429 struct mpath_info *pinfo)
1430{
a3836e02
JB
1431 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1432
1433 if (next_hop_sta)
1434 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC
1435 else
1436 memset(next_hop, 0, ETH_ALEN);
1437
7ce8c7a3
LAYS
1438 memset(pinfo, 0, sizeof(*pinfo));
1439
f5ea9120
JB
1440 pinfo->generation = mesh_paths_generation;
1441
c5dd9c2b 1442 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1443 MPATH_INFO_SN |
c5dd9c2b
LCC
1444 MPATH_INFO_METRIC |
1445 MPATH_INFO_EXPTIME |
1446 MPATH_INFO_DISCOVERY_TIMEOUT |
1447 MPATH_INFO_DISCOVERY_RETRIES |
1448 MPATH_INFO_FLAGS;
1449
1450 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1451 pinfo->sn = mpath->sn;
c5dd9c2b
LCC
1452 pinfo->metric = mpath->metric;
1453 if (time_before(jiffies, mpath->exp_time))
1454 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1455 pinfo->discovery_timeout =
1456 jiffies_to_msecs(mpath->discovery_timeout);
1457 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC
1458 if (mpath->flags & MESH_PATH_ACTIVE)
1459 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1460 if (mpath->flags & MESH_PATH_RESOLVING)
1461 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP
1462 if (mpath->flags & MESH_PATH_SN_VALID)
1463 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC
1464 if (mpath->flags & MESH_PATH_FIXED)
1465 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS
1466 if (mpath->flags & MESH_PATH_RESOLVED)
1467 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC
1468}
1469
1470static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1471 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1472
1473{
14db74bc 1474 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1475 struct mesh_path *mpath;
1476
14db74bc
JB
1477 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1478
c5dd9c2b 1479 rcu_read_lock();
f698d856 1480 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
1481 if (!mpath) {
1482 rcu_read_unlock();
1483 return -ENOENT;
1484 }
1485 memcpy(dst, mpath->dst, ETH_ALEN);
1486 mpath_set_pinfo(mpath, next_hop, pinfo);
1487 rcu_read_unlock();
1488 return 0;
1489}
1490
1491static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1492 int idx, u8 *dst, u8 *next_hop,
1493 struct mpath_info *pinfo)
1494{
14db74bc 1495 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
1496 struct mesh_path *mpath;
1497
14db74bc
JB
1498 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1499
c5dd9c2b 1500 rcu_read_lock();
f698d856 1501 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC
1502 if (!mpath) {
1503 rcu_read_unlock();
1504 return -ENOENT;
1505 }
1506 memcpy(dst, mpath->dst, ETH_ALEN);
1507 mpath_set_pinfo(mpath, next_hop, pinfo);
1508 rcu_read_unlock();
1509 return 0;
1510}
93da9cc1 1511
24bdd9f4 1512static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1513 struct net_device *dev,
1514 struct mesh_config *conf)
1515{
1516 struct ieee80211_sub_if_data *sdata;
1517 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1518
93da9cc1 1519 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1520 return 0;
1521}
1522
1523static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1524{
1525 return (mask >> (parm-1)) & 0x1;
1526}
1527
c80d545d
JC
1528static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1529 const struct mesh_setup *setup)
1530{
1531 u8 *new_ie;
1532 const u8 *old_ie;
4bb62344
CYY
1533 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1534 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1535
581a8b0f 1536 /* allocate information elements */
c80d545d 1537 new_ie = NULL;
581a8b0f 1538 old_ie = ifmsh->ie;
c80d545d 1539
581a8b0f
JC
1540 if (setup->ie_len) {
1541 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC
1542 GFP_KERNEL);
1543 if (!new_ie)
1544 return -ENOMEM;
1545 }
581a8b0f
JC
1546 ifmsh->ie_len = setup->ie_len;
1547 ifmsh->ie = new_ie;
1548 kfree(old_ie);
c80d545d
JC
1549
1550 /* now copy the rest of the setup parameters */
1551 ifmsh->mesh_id_len = setup->mesh_id_len;
1552 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1553 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC
1554 ifmsh->mesh_pp_id = setup->path_sel_proto;
1555 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC
1556 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1557 if (setup->is_authenticated)
1558 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1559 if (setup->is_secure)
1560 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1561
4bb62344
CYY
1562 /* mcast rate setting in Mesh Node */
1563 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1564 sizeof(setup->mcast_rate));
1565
c80d545d
JC
1566 return 0;
1567}
1568
24bdd9f4 1569static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB
1570 struct net_device *dev, u32 mask,
1571 const struct mesh_config *nconf)
93da9cc1 1572{
1573 struct mesh_config *conf;
1574 struct ieee80211_sub_if_data *sdata;
63c5723b
RP
1575 struct ieee80211_if_mesh *ifmsh;
1576
93da9cc1 1577 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1578 ifmsh = &sdata->u.mesh;
93da9cc1 1579
93da9cc1 1580 /* Set the config options which we are interested in setting */
1581 conf = &(sdata->u.mesh.mshcfg);
1582 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1583 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1584 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1585 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1586 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1587 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1588 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1589 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1590 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1591 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1592 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1593 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1594 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1595 conf->element_ttl = nconf->element_ttl;
93da9cc1 1596 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1597 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC
1598 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1599 conf->dot11MeshNbrOffsetMaxNeighbor =
1600 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1602 conf->dot11MeshHWMPmaxPREQretries =
1603 nconf->dot11MeshHWMPmaxPREQretries;
1604 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1605 conf->path_refresh_time = nconf->path_refresh_time;
1606 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1607 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1608 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1609 conf->dot11MeshHWMPactivePathTimeout =
1610 nconf->dot11MeshHWMPactivePathTimeout;
1611 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1612 conf->dot11MeshHWMPpreqMinInterval =
1613 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP
1614 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1615 conf->dot11MeshHWMPperrMinInterval =
1616 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1617 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1618 mask))
1619 conf->dot11MeshHWMPnetDiameterTraversalTime =
1620 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP
1621 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1622 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1623 ieee80211_mesh_root_setup(ifmsh);
1624 }
16dd7267 1625 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP
1626 /* our current gate announcement implementation rides on root
1627 * announcements, so require this ifmsh to also be a root node
1628 * */
1629 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY
1630 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1631 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP
1632 ieee80211_mesh_root_setup(ifmsh);
1633 }
16dd7267
JC
1634 conf->dot11MeshGateAnnouncementProtocol =
1635 nconf->dot11MeshGateAnnouncementProtocol;
1636 }
a4f606ea 1637 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC
1638 conf->dot11MeshHWMPRannInterval =
1639 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY
1640 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1641 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN
1642 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1643 /* our RSSI threshold implementation is supported only for
1644 * devices that report signal in dBm.
1645 */
1646 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1647 return -ENOTSUPP;
1648 conf->rssi_threshold = nconf->rssi_threshold;
1649 }
70c33eaa
AN
1650 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1651 conf->ht_opmode = nconf->ht_opmode;
1652 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1653 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1654 }
ac1073a6
CYY
1655 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1656 conf->dot11MeshHWMPactivePathToRootTimeout =
1657 nconf->dot11MeshHWMPactivePathToRootTimeout;
1658 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1659 conf->dot11MeshHWMProotInterval =
1660 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY
1661 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1662 conf->dot11MeshHWMPconfirmationInterval =
1663 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1664 return 0;
1665}
1666
29cbe68c
JB
1667static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1668 const struct mesh_config *conf,
1669 const struct mesh_setup *setup)
1670{
1671 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1672 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1673 int err;
29cbe68c 1674
c80d545d
JC
1675 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1676 err = copy_mesh_setup(ifmsh, setup);
1677 if (err)
1678 return err;
cc1d2806 1679
04ecd257
JB
1680 /* can mesh use other SMPS modes? */
1681 sdata->smps_mode = IEEE80211_SMPS_OFF;
1682 sdata->needed_rx_chains = sdata->local->rx_chains;
1683
55de908a
JB
1684 err = ieee80211_vif_use_channel(sdata, setup->channel,
1685 setup->channel_type,
1686 IEEE80211_CHANCTX_SHARED);
cc1d2806
JB
1687 if (err)
1688 return err;
1689
29cbe68c
JB
1690 ieee80211_start_mesh(sdata);
1691
1692 return 0;
1693}
1694
1695static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1696{
1697 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1698
1699 ieee80211_stop_mesh(sdata);
55de908a 1700 ieee80211_vif_release_channel(sdata);
29cbe68c
JB
1701
1702 return 0;
1703}
c5dd9c2b
LCC
1704#endif
1705
9f1ba906
JM
1706static int ieee80211_change_bss(struct wiphy *wiphy,
1707 struct net_device *dev,
1708 struct bss_parameters *params)
1709{
55de908a
JB
1710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1711 enum ieee80211_band band;
9f1ba906
JM
1712 u32 changed = 0;
1713
55de908a
JB
1714 if (!rtnl_dereference(sdata->u.ap.beacon))
1715 return -ENOENT;
1716
1717 band = ieee80211_get_sdata_band(sdata);
9f1ba906 1718
9f1ba906 1719 if (params->use_cts_prot >= 0) {
bda3933a 1720 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM
1721 changed |= BSS_CHANGED_ERP_CTS_PROT;
1722 }
1723 if (params->use_short_preamble >= 0) {
bda3933a 1724 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM
1725 params->use_short_preamble;
1726 changed |= BSS_CHANGED_ERP_PREAMBLE;
1727 }
43d35343
FF
1728
1729 if (!sdata->vif.bss_conf.use_short_slot &&
55de908a 1730 band == IEEE80211_BAND_5GHZ) {
43d35343
FF
1731 sdata->vif.bss_conf.use_short_slot = true;
1732 changed |= BSS_CHANGED_ERP_SLOT;
1733 }
1734
9f1ba906 1735 if (params->use_short_slot_time >= 0) {
bda3933a 1736 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM
1737 params->use_short_slot_time;
1738 changed |= BSS_CHANGED_ERP_SLOT;
1739 }
1740
90c97a04
JM
1741 if (params->basic_rates) {
1742 int i, j;
1743 u32 rates = 0;
55de908a 1744 struct ieee80211_supported_band *sband = wiphy->bands[band];
90c97a04
JM
1745
1746 for (i = 0; i < params->basic_rates_len; i++) {
1747 int rate = (params->basic_rates[i] & 0x7f) * 5;
1748 for (j = 0; j < sband->n_bitrates; j++) {
1749 if (sband->bitrates[j].bitrate == rate)
1750 rates |= BIT(j);
1751 }
1752 }
1753 sdata->vif.bss_conf.basic_rates = rates;
1754 changed |= BSS_CHANGED_BASIC_RATES;
1755 }
1756
7b7b5e56
FF
1757 if (params->ap_isolate >= 0) {
1758 if (params->ap_isolate)
1759 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1760 else
1761 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1762 }
1763
80d7e403
HS
1764 if (params->ht_opmode >= 0) {
1765 sdata->vif.bss_conf.ht_operation_mode =
1766 (u16) params->ht_opmode;
1767 changed |= BSS_CHANGED_HT;
1768 }
1769
9f1ba906
JM
1770 ieee80211_bss_info_change_notify(sdata, changed);
1771
1772 return 0;
1773}
1774
31888487 1775static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1776 struct net_device *dev,
31888487
JM
1777 struct ieee80211_txq_params *params)
1778{
1779 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1780 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM
1781 struct ieee80211_tx_queue_params p;
1782
1783 if (!local->ops->conf_tx)
1784 return -EOPNOTSUPP;
1785
54bcbc69
JB
1786 if (local->hw.queues < IEEE80211_NUM_ACS)
1787 return -EOPNOTSUPP;
1788
31888487
JM
1789 memset(&p, 0, sizeof(p));
1790 p.aifs = params->aifs;
1791 p.cw_max = params->cwmax;
1792 p.cw_min = params->cwmin;
1793 p.txop = params->txop;
ab13315a
KV
1794
1795 /*
1796 * Setting tx queue params disables u-apsd because it's only
1797 * called in master mode.
1798 */
1799 p.uapsd = false;
1800
a3304b0a
JB
1801 sdata->tx_conf[params->ac] = p;
1802 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1803 wiphy_debug(local->hw.wiphy,
a3304b0a
JB
1804 "failed to set TX queue parameters for AC %d\n",
1805 params->ac);
31888487
JM
1806 return -EINVAL;
1807 }
1808
7d25745d
JB
1809 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1810
31888487
JM
1811 return 0;
1812}
1813
665af4fc 1814#ifdef CONFIG_PM
ff1b6e69
JB
1815static int ieee80211_suspend(struct wiphy *wiphy,
1816 struct cfg80211_wowlan *wowlan)
665af4fc 1817{
eecc4800 1818 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC
1819}
1820
1821static int ieee80211_resume(struct wiphy *wiphy)
1822{
1823 return __ieee80211_resume(wiphy_priv(wiphy));
1824}
1825#else
1826#define ieee80211_suspend NULL
1827#define ieee80211_resume NULL
1828#endif
1829
2a519311 1830static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB
1831 struct cfg80211_scan_request *req)
1832{
fd014284
JB
1833 struct ieee80211_sub_if_data *sdata;
1834
1835 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1836
2ca27bcf
JB
1837 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1838 case NL80211_IFTYPE_STATION:
1839 case NL80211_IFTYPE_ADHOC:
1840 case NL80211_IFTYPE_MESH_POINT:
1841 case NL80211_IFTYPE_P2P_CLIENT:
f142c6b9 1842 case NL80211_IFTYPE_P2P_DEVICE:
2ca27bcf
JB
1843 break;
1844 case NL80211_IFTYPE_P2P_GO:
1845 if (sdata->local->ops->hw_scan)
1846 break;
e9d7732e
JB
1847 /*
1848 * FIXME: implement NoA while scanning in software,
1849 * for now fall through to allow scanning only when
1850 * beaconing hasn't been configured yet
1851 */
2ca27bcf
JB
1852 case NL80211_IFTYPE_AP:
1853 if (sdata->u.ap.beacon)
1854 return -EOPNOTSUPP;
1855 break;
1856 default:
1857 return -EOPNOTSUPP;
1858 }
2a519311
JB
1859
1860 return ieee80211_request_scan(sdata, req);
1861}
1862
79f460ca
LC
1863static int
1864ieee80211_sched_scan_start(struct wiphy *wiphy,
1865 struct net_device *dev,
1866 struct cfg80211_sched_scan_request *req)
1867{
1868 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1869
1870 if (!sdata->local->ops->sched_scan_start)
1871 return -EOPNOTSUPP;
1872
1873 return ieee80211_request_sched_scan_start(sdata, req);
1874}
1875
1876static int
85a9994a 1877ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC
1878{
1879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1880
1881 if (!sdata->local->ops->sched_scan_stop)
1882 return -EOPNOTSUPP;
1883
85a9994a 1884 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC
1885}
1886
636a5d36
JM
1887static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1888 struct cfg80211_auth_request *req)
1889{
77fdaa12 1890 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1891}
1892
1893static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1894 struct cfg80211_assoc_request *req)
1895{
77fdaa12 1896 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1897}
1898
1899static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1900 struct cfg80211_deauth_request *req)
636a5d36 1901{
63c9c5e7 1902 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1903}
1904
1905static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1906 struct cfg80211_disassoc_request *req)
636a5d36 1907{
63c9c5e7 1908 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1909}
1910
af8cdcd8
JB
1911static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1912 struct cfg80211_ibss_params *params)
1913{
55de908a 1914 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
af8cdcd8
JB
1915}
1916
1917static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1918{
55de908a 1919 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
af8cdcd8
JB
1920}
1921
b9a5f8ca
JM
1922static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1923{
1924 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1925 int err;
b9a5f8ca 1926
f23a4780
AN
1927 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1928 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1929
1930 if (err)
1931 return err;
1932 }
1933
310bc676
LT
1934 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1935 err = drv_set_coverage_class(local, wiphy->coverage_class);
1936
1937 if (err)
1938 return err;
1939 }
1940
b9a5f8ca 1941 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1942 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1943
24487981
JB
1944 if (err)
1945 return err;
b9a5f8ca
JM
1946 }
1947
1948 if (changed & WIPHY_PARAM_RETRY_SHORT)
1949 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1950 if (changed & WIPHY_PARAM_RETRY_LONG)
1951 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1952 if (changed &
1953 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1954 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1955
1956 return 0;
1957}
1958
7643a2c3 1959static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1960 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB
1961{
1962 struct ieee80211_local *local = wiphy_priv(wiphy);
55de908a 1963 struct ieee80211_channel *chan = local->_oper_channel;
7643a2c3 1964 u32 changes = 0;
7643a2c3 1965
55de908a
JB
1966 /* FIXME */
1967 if (local->use_chanctx)
1968 return -EOPNOTSUPP;
1969
7643a2c3 1970 switch (type) {
fa61cf70 1971 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB
1972 local->user_power_level = -1;
1973 break;
fa61cf70
JO
1974 case NL80211_TX_POWER_LIMITED:
1975 if (mbm < 0 || (mbm % 100))
1976 return -EOPNOTSUPP;
1977 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1978 break;
fa61cf70
JO
1979 case NL80211_TX_POWER_FIXED:
1980 if (mbm < 0 || (mbm % 100))
1981 return -EOPNOTSUPP;
7643a2c3 1982 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1983 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1984 return -EINVAL;
fa61cf70 1985 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1986 break;
7643a2c3
JB
1987 }
1988
1989 ieee80211_hw_config(local, changes);
1990
1991 return 0;
1992}
1993
1994static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1995{
1996 struct ieee80211_local *local = wiphy_priv(wiphy);
1997
1998 *dbm = local->hw.conf.power_level;
1999
7643a2c3
JB
2000 return 0;
2001}
2002
ab737a4f 2003static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 2004 const u8 *addr)
ab737a4f
JB
2005{
2006 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2007
2008 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2009
2010 return 0;
2011}
2012
1f87f7d3
JB
2013static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2014{
2015 struct ieee80211_local *local = wiphy_priv(wiphy);
2016
2017 drv_rfkill_poll(local);
2018}
2019
aff89a9b 2020#ifdef CONFIG_NL80211_TESTMODE
99783e2c 2021static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB
2022{
2023 struct ieee80211_local *local = wiphy_priv(wiphy);
2024
2025 if (!local->ops->testmode_cmd)
2026 return -EOPNOTSUPP;
2027
2028 return local->ops->testmode_cmd(&local->hw, data, len);
2029}
71063f0e
WYG
2030
2031static int ieee80211_testmode_dump(struct wiphy *wiphy,
2032 struct sk_buff *skb,
2033 struct netlink_callback *cb,
2034 void *data, int len)
2035{
2036 struct ieee80211_local *local = wiphy_priv(wiphy);
2037
2038 if (!local->ops->testmode_dump)
2039 return -EOPNOTSUPP;
2040
2041 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2042}
aff89a9b
JB
2043#endif
2044
0f78231b
JB
2045int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2046 enum ieee80211_smps_mode smps_mode)
2047{
2048 const u8 *ap;
2049 enum ieee80211_smps_mode old_req;
2050 int err;
2051
243e6df4
JB
2052 lockdep_assert_held(&sdata->u.mgd.mtx);
2053
0f78231b
JB
2054 old_req = sdata->u.mgd.req_smps;
2055 sdata->u.mgd.req_smps = smps_mode;
2056
2057 if (old_req == smps_mode &&
2058 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2059 return 0;
2060
2061 /*
2062 * If not associated, or current association is not an HT
04ecd257
JB
2063 * association, there's no need to do anything, just store
2064 * the new value until we associate.
0f78231b
JB
2065 */
2066 if (!sdata->u.mgd.associated ||
04ecd257 2067 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
0f78231b 2068 return 0;
0f78231b 2069
0c1ad2ca 2070 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB
2071
2072 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2073 if (sdata->u.mgd.powersave)
2074 smps_mode = IEEE80211_SMPS_DYNAMIC;
2075 else
2076 smps_mode = IEEE80211_SMPS_OFF;
2077 }
2078
2079 /* send SM PS frame to AP */
2080 err = ieee80211_send_smps_action(sdata, smps_mode,
2081 ap, ap);
2082 if (err)
2083 sdata->u.mgd.req_smps = old_req;
2084
2085 return err;
2086}
2087
bc92afd9
JB
2088static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2089 bool enabled, int timeout)
2090{
2091 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2092 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2093
e5de30c9
BP
2094 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2095 return -EOPNOTSUPP;
2096
bc92afd9
JB
2097 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2098 return -EOPNOTSUPP;
2099
2100 if (enabled == sdata->u.mgd.powersave &&
ff616381 2101 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB
2102 return 0;
2103
2104 sdata->u.mgd.powersave = enabled;
ff616381 2105 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2106
0f78231b
JB
2107 /* no change, but if automatic follow powersave */
2108 mutex_lock(&sdata->u.mgd.mtx);
2109 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2110 mutex_unlock(&sdata->u.mgd.mtx);
2111
bc92afd9
JB
2112 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2113 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2114
2115 ieee80211_recalc_ps(local, -1);
ab095877 2116 ieee80211_recalc_ps_vif(sdata);
bc92afd9
JB
2117
2118 return 0;
2119}
2120
a97c13c3
JO
2121static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2122 struct net_device *dev,
2123 s32 rssi_thold, u32 rssi_hyst)
2124{
2125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO
2126 struct ieee80211_vif *vif = &sdata->vif;
2127 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2128
a97c13c3
JO
2129 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2130 rssi_hyst == bss_conf->cqm_rssi_hyst)
2131 return 0;
2132
2133 bss_conf->cqm_rssi_thold = rssi_thold;
2134 bss_conf->cqm_rssi_hyst = rssi_hyst;
2135
2136 /* tell the driver upon association, unless already associated */
ea086359
JB
2137 if (sdata->u.mgd.associated &&
2138 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO
2139 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2140
2141 return 0;
2142}
2143
9930380f
JB
2144static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2145 struct net_device *dev,
2146 const u8 *addr,
2147 const struct cfg80211_bitrate_mask *mask)
2148{
2149 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2150 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2151 int i, ret;
2c7e6bc9 2152
554a43d5
EP
2153 if (!ieee80211_sdata_running(sdata))
2154 return -ENETDOWN;
2155
bdbfd6b5
SM
2156 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2157 ret = drv_set_bitrate_mask(local, sdata, mask);
2158 if (ret)
2159 return ret;
2160 }
9930380f 2161
19468413 2162 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2163 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW
2164 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2165 sizeof(mask->control[i].mcs));
2166 }
9930380f 2167
37eb0b16 2168 return 0;
9930380f
JB
2169}
2170
2eb278e0
JB
2171static int ieee80211_start_roc_work(struct ieee80211_local *local,
2172 struct ieee80211_sub_if_data *sdata,
2173 struct ieee80211_channel *channel,
2174 enum nl80211_channel_type channel_type,
2175 unsigned int duration, u64 *cookie,
2176 struct sk_buff *txskb)
2177{
2178 struct ieee80211_roc_work *roc, *tmp;
2179 bool queued = false;
21f83589 2180 int ret;
21f83589
JB
2181
2182 lockdep_assert_held(&local->mtx);
2183
fe57d9f5
JB
2184 if (local->use_chanctx && !local->ops->remain_on_channel)
2185 return -EOPNOTSUPP;
2186
2eb278e0
JB
2187 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2188 if (!roc)
2189 return -ENOMEM;
2190
2191 roc->chan = channel;
2192 roc->chan_type = channel_type;
2193 roc->duration = duration;
2194 roc->req_duration = duration;
2195 roc->frame = txskb;
2196 roc->mgmt_tx_cookie = (unsigned long)txskb;
2197 roc->sdata = sdata;
2198 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2199 INIT_LIST_HEAD(&roc->dependents);
2200
2201 /* if there's one pending or we're scanning, queue this one */
2202 if (!list_empty(&local->roc_list) || local->scanning)
2203 goto out_check_combine;
2204
2205 /* if not HW assist, just queue & schedule work */
2206 if (!local->ops->remain_on_channel) {
2207 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2208 goto out_queue;
2209 }
2210
2211 /* otherwise actually kick it off here (for error handling) */
2212
2213 /*
2214 * If the duration is zero, then the driver
2215 * wouldn't actually do anything. Set it to
2216 * 10 for now.
2217 *
2218 * TODO: cancel the off-channel operation
2219 * when we get the SKB's TX status and
2220 * the wait time was zero before.
2221 */
2222 if (!duration)
2223 duration = 10;
2224
2225 ret = drv_remain_on_channel(local, channel, channel_type, duration);
21f83589 2226 if (ret) {
2eb278e0
JB
2227 kfree(roc);
2228 return ret;
21f83589
JB
2229 }
2230
2eb278e0
JB
2231 roc->started = true;
2232 goto out_queue;
2233
2234 out_check_combine:
2235 list_for_each_entry(tmp, &local->roc_list, list) {
2236 if (tmp->chan != channel || tmp->chan_type != channel_type)
2237 continue;
2238
2239 /*
2240 * Extend this ROC if possible:
2241 *
2242 * If it hasn't started yet, just increase the duration
2243 * and add the new one to the list of dependents.
2244 */
2245 if (!tmp->started) {
2246 list_add_tail(&roc->list, &tmp->dependents);
2247 tmp->duration = max(tmp->duration, roc->duration);
2248 queued = true;
2249 break;
2250 }
2251
2252 /* If it has already started, it's more difficult ... */
2253 if (local->ops->remain_on_channel) {
2254 unsigned long j = jiffies;
2255
2256 /*
2257 * In the offloaded ROC case, if it hasn't begun, add
2258 * this new one to the dependent list to be handled
2259 * when the the master one begins. If it has begun,
2260 * check that there's still a minimum time left and
2261 * if so, start this one, transmitting the frame, but
2262 * add it to the list directly after this one with a
2263 * a reduced time so we'll ask the driver to execute
2264 * it right after finishing the previous one, in the
2265 * hope that it'll also be executed right afterwards,
2266 * effectively extending the old one.
2267 * If there's no minimum time left, just add it to the
2268 * normal list.
2269 */
2270 if (!tmp->hw_begun) {
2271 list_add_tail(&roc->list, &tmp->dependents);
2272 queued = true;
2273 break;
2274 }
2275
2276 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2277 tmp->hw_start_time +
2278 msecs_to_jiffies(tmp->duration))) {
2279 int new_dur;
2280
2281 ieee80211_handle_roc_started(roc);
2282
2283 new_dur = roc->duration -
2284 jiffies_to_msecs(tmp->hw_start_time +
2285 msecs_to_jiffies(
2286 tmp->duration) -
2287 j);
2288
2289 if (new_dur > 0) {
2290 /* add right after tmp */
2291 list_add(&roc->list, &tmp->list);
2292 } else {
2293 list_add_tail(&roc->list,
2294 &tmp->dependents);
2295 }
2296 queued = true;
2297 }
2298 } else if (del_timer_sync(&tmp->work.timer)) {
2299 unsigned long new_end;
2300
2301 /*
2302 * In the software ROC case, cancel the timer, if
2303 * that fails then the finish work is already
2304 * queued/pending and thus we queue the new ROC
2305 * normally, if that succeeds then we can extend
2306 * the timer duration and TX the frame (if any.)
2307 */
2308
2309 list_add_tail(&roc->list, &tmp->dependents);
2310 queued = true;
2311
2312 new_end = jiffies + msecs_to_jiffies(roc->duration);
2313
2314 /* ok, it was started & we canceled timer */
2315 if (time_after(new_end, tmp->work.timer.expires))
2316 mod_timer(&tmp->work.timer, new_end);
2317 else
2318 add_timer(&tmp->work.timer);
2319
2320 ieee80211_handle_roc_started(roc);
2321 }
2322 break;
2323 }
2324
2325 out_queue:
2326 if (!queued)
2327 list_add_tail(&roc->list, &local->roc_list);
2328
2329 /*
2330 * cookie is either the roc (for normal roc)
2331 * or the SKB (for mgmt TX)
2332 */
2333 if (txskb)
2334 *cookie = (unsigned long)txskb;
2335 else
2336 *cookie = (unsigned long)roc;
2337
2338 return 0;
21f83589
JB
2339}
2340
b8bc4b0a 2341static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2342 struct wireless_dev *wdev,
b8bc4b0a
JB
2343 struct ieee80211_channel *chan,
2344 enum nl80211_channel_type channel_type,
2345 unsigned int duration,
2346 u64 *cookie)
2347{
71bbc994 2348 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2349 struct ieee80211_local *local = sdata->local;
2eb278e0 2350 int ret;
21f83589 2351
2eb278e0
JB
2352 mutex_lock(&local->mtx);
2353 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2354 duration, cookie, NULL);
2355 mutex_unlock(&local->mtx);
b8bc4b0a 2356
2eb278e0 2357 return ret;
b8bc4b0a
JB
2358}
2359
2eb278e0
JB
2360static int ieee80211_cancel_roc(struct ieee80211_local *local,
2361 u64 cookie, bool mgmt_tx)
21f83589 2362{
2eb278e0 2363 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB
2364 int ret;
2365
2eb278e0
JB
2366 mutex_lock(&local->mtx);
2367 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB
2368 struct ieee80211_roc_work *dep, *tmp2;
2369
2370 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2371 if (!mgmt_tx && (unsigned long)dep != cookie)
2372 continue;
2373 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2374 continue;
2375 /* found dependent item -- just remove it */
2376 list_del(&dep->list);
2377 mutex_unlock(&local->mtx);
2378
2379 ieee80211_roc_notify_destroy(dep);
2380 return 0;
2381 }
2382
2eb278e0
JB
2383 if (!mgmt_tx && (unsigned long)roc != cookie)
2384 continue;
2385 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2386 continue;
21f83589 2387
2eb278e0
JB
2388 found = roc;
2389 break;
2390 }
21f83589 2391
2eb278e0
JB
2392 if (!found) {
2393 mutex_unlock(&local->mtx);
2394 return -ENOENT;
2395 }
21f83589 2396
e979e33c
JB
2397 /*
2398 * We found the item to cancel, so do that. Note that it
2399 * may have dependents, which we also cancel (and send
2400 * the expired signal for.) Not doing so would be quite
2401 * tricky here, but we may need to fix it later.
2402 */
2403
2eb278e0
JB
2404 if (local->ops->remain_on_channel) {
2405 if (found->started) {
2406 ret = drv_cancel_remain_on_channel(local);
2407 if (WARN_ON_ONCE(ret)) {
2408 mutex_unlock(&local->mtx);
2409 return ret;
2410 }
2411 }
21f83589 2412
2eb278e0 2413 list_del(&found->list);
21f83589 2414
0f6b3f59
JB
2415 if (found->started)
2416 ieee80211_start_next_roc(local);
2eb278e0 2417 mutex_unlock(&local->mtx);
21f83589 2418
2eb278e0
JB
2419 ieee80211_roc_notify_destroy(found);
2420 } else {
2421 /* work may be pending so use it all the time */
2422 found->abort = true;
2423 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2424
21f83589
JB
2425 mutex_unlock(&local->mtx);
2426
2eb278e0
JB
2427 /* work will clean up etc */
2428 flush_delayed_work(&found->work);
21f83589 2429 }
b8bc4b0a 2430
2eb278e0 2431 return 0;
b8bc4b0a
JB
2432}
2433
2eb278e0 2434static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2435 struct wireless_dev *wdev,
2eb278e0 2436 u64 cookie)
f30221e4 2437{
71bbc994 2438 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2439 struct ieee80211_local *local = sdata->local;
f30221e4 2440
2eb278e0 2441 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB
2442}
2443
71bbc994 2444static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2445 struct ieee80211_channel *chan, bool offchan,
2e161f78 2446 enum nl80211_channel_type channel_type,
f7ca38df 2447 bool channel_type_valid, unsigned int wait,
e9f935e3 2448 const u8 *buf, size_t len, bool no_cck,
e247bd90 2449 bool dont_wait_for_ack, u64 *cookie)
026331c4 2450{
71bbc994 2451 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB
2452 struct ieee80211_local *local = sdata->local;
2453 struct sk_buff *skb;
2454 struct sta_info *sta;
2455 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2456 bool need_offchan = false;
e247bd90 2457 u32 flags;
2eb278e0 2458 int ret;
f7ca38df 2459
e247bd90
JB
2460 if (dont_wait_for_ack)
2461 flags = IEEE80211_TX_CTL_NO_ACK;
2462 else
2463 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2464 IEEE80211_TX_CTL_REQ_TX_STATUS;
2465
aad14ceb
RM
2466 if (no_cck)
2467 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2468
9d38d85d
JB
2469 switch (sdata->vif.type) {
2470 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB
2471 if (!sdata->vif.bss_conf.ibss_joined)
2472 need_offchan = true;
2473 /* fall through */
2474#ifdef CONFIG_MAC80211_MESH
2475 case NL80211_IFTYPE_MESH_POINT:
2476 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2477 !sdata->u.mesh.mesh_id_len)
2478 need_offchan = true;
2479 /* fall through */
2480#endif
663fcafd
JB
2481 case NL80211_IFTYPE_AP:
2482 case NL80211_IFTYPE_AP_VLAN:
2483 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB
2484 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2485 !ieee80211_vif_is_mesh(&sdata->vif) &&
2486 !rcu_access_pointer(sdata->bss->beacon))
2487 need_offchan = true;
663fcafd
JB
2488 if (!ieee80211_is_action(mgmt->frame_control) ||
2489 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB
2490 break;
2491 rcu_read_lock();
2492 sta = sta_info_get(sdata, mgmt->da);
2493 rcu_read_unlock();
2494 if (!sta)
2495 return -ENOLINK;
2496 break;
2497 case NL80211_IFTYPE_STATION:
663fcafd 2498 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB
2499 if (!sdata->u.mgd.associated)
2500 need_offchan = true;
9d38d85d 2501 break;
f142c6b9
JB
2502 case NL80211_IFTYPE_P2P_DEVICE:
2503 need_offchan = true;
2504 break;
9d38d85d
JB
2505 default:
2506 return -EOPNOTSUPP;
2507 }
2508
2eb278e0
JB
2509 mutex_lock(&local->mtx);
2510
2511 /* Check if the operating channel is the requested channel */
2512 if (!need_offchan) {
55de908a
JB
2513 struct ieee80211_chanctx_conf *chanctx_conf;
2514
2515 rcu_read_lock();
2516 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2517
2518 if (chanctx_conf) {
2519 need_offchan = chan != chanctx_conf->channel;
2520 if (channel_type_valid &&
2521 channel_type != chanctx_conf->channel_type)
2522 need_offchan = true;
2523 } else {
2eb278e0 2524 need_offchan = true;
55de908a
JB
2525 }
2526 rcu_read_unlock();
2eb278e0
JB
2527 }
2528
2529 if (need_offchan && !offchan) {
2530 ret = -EBUSY;
2531 goto out_unlock;
2532 }
2533
9d38d85d 2534 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB
2535 if (!skb) {
2536 ret = -ENOMEM;
2537 goto out_unlock;
2538 }
9d38d85d
JB
2539 skb_reserve(skb, local->hw.extra_tx_headroom);
2540
2541 memcpy(skb_put(skb, len), buf, len);
2542
2543 IEEE80211_SKB_CB(skb)->flags = flags;
2544
2545 skb->dev = sdata->dev;
9d38d85d 2546
2eb278e0 2547 if (!need_offchan) {
7f9f78ab 2548 *cookie = (unsigned long) skb;
f30221e4 2549 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB
2550 ret = 0;
2551 goto out_unlock;
f30221e4
JB
2552 }
2553
2eb278e0
JB
2554 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2555 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2556 IEEE80211_SKB_CB(skb)->hw_queue =
2557 local->hw.offchannel_tx_hw_queue;
f30221e4 2558
2eb278e0
JB
2559 /* This will handle all kinds of coalescing and immediate TX */
2560 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2561 wait, cookie, skb);
2562 if (ret)
2563 kfree_skb(skb);
2564 out_unlock:
2565 mutex_unlock(&local->mtx);
2566 return ret;
026331c4
JM
2567}
2568
f30221e4 2569static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2570 struct wireless_dev *wdev,
f30221e4
JB
2571 u64 cookie)
2572{
71bbc994 2573 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2574
2eb278e0 2575 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB
2576}
2577
7be5086d 2578static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2579 struct wireless_dev *wdev,
7be5086d
JB
2580 u16 frame_type, bool reg)
2581{
2582 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2583 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2584
6abe0563
WH
2585 switch (frame_type) {
2586 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2587 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2588 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2589
6abe0563
WH
2590 if (reg)
2591 ifibss->auth_frame_registrations++;
2592 else
2593 ifibss->auth_frame_registrations--;
2594 }
2595 break;
2596 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2597 if (reg)
2598 local->probe_req_reg++;
2599 else
2600 local->probe_req_reg--;
7be5086d 2601
6abe0563
WH
2602 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2603 break;
2604 default:
2605 break;
2606 }
7be5086d
JB
2607}
2608
15d96753
BR
2609static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2610{
2611 struct ieee80211_local *local = wiphy_priv(wiphy);
2612
2613 if (local->started)
2614 return -EOPNOTSUPP;
2615
2616 return drv_set_antenna(local, tx_ant, rx_ant);
2617}
2618
2619static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2620{
2621 struct ieee80211_local *local = wiphy_priv(wiphy);
2622
2623 return drv_get_antenna(local, tx_ant, rx_ant);
2624}
2625
38c09159
JL
2626static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2627{
2628 struct ieee80211_local *local = wiphy_priv(wiphy);
2629
2630 return drv_set_ringparam(local, tx, rx);
2631}
2632
2633static void ieee80211_get_ringparam(struct wiphy *wiphy,
2634 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2635{
2636 struct ieee80211_local *local = wiphy_priv(wiphy);
2637
2638 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2639}
2640
c68f4b89
JB
2641static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2642 struct net_device *dev,
2643 struct cfg80211_gtk_rekey_data *data)
2644{
2645 struct ieee80211_local *local = wiphy_priv(wiphy);
2646 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2647
2648 if (!local->ops->set_rekey_data)
2649 return -EOPNOTSUPP;
2650
2651 drv_set_rekey_data(local, sdata, data);
2652
2653 return 0;
2654}
2655
dfe018bf
AN
2656static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2657{
2658 u8 *pos = (void *)skb_put(skb, 7);
2659
2660 *pos++ = WLAN_EID_EXT_CAPABILITY;
2661 *pos++ = 5; /* len */
2662 *pos++ = 0x0;
2663 *pos++ = 0x0;
2664 *pos++ = 0x0;
2665 *pos++ = 0x0;
2666 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2667}
2668
2669static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2670{
2671 struct ieee80211_local *local = sdata->local;
2672 u16 capab;
2673
2674 capab = 0;
55de908a 2675 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
dfe018bf
AN
2676 return capab;
2677
2678 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2679 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2680 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2681 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2682
2683 return capab;
2684}
2685
2686static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2687 u8 *peer, u8 *bssid)
2688{
2689 struct ieee80211_tdls_lnkie *lnkid;
2690
2691 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2692
2693 lnkid->ie_type = WLAN_EID_LINK_ID;
2694 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2695
2696 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2697 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2698 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2699}
2700
2701static int
2702ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2703 u8 *peer, u8 action_code, u8 dialog_token,
2704 u16 status_code, struct sk_buff *skb)
2705{
2706 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2707 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN
2708 struct ieee80211_tdls_data *tf;
2709
2710 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2711
2712 memcpy(tf->da, peer, ETH_ALEN);
2713 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2714 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2715 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2716
2717 switch (action_code) {
2718 case WLAN_TDLS_SETUP_REQUEST:
2719 tf->category = WLAN_CATEGORY_TDLS;
2720 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2721
2722 skb_put(skb, sizeof(tf->u.setup_req));
2723 tf->u.setup_req.dialog_token = dialog_token;
2724 tf->u.setup_req.capability =
2725 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2726
55de908a
JB
2727 ieee80211_add_srates_ie(sdata, skb, false, band);
2728 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN
2729 ieee80211_tdls_add_ext_capab(skb);
2730 break;
2731 case WLAN_TDLS_SETUP_RESPONSE:
2732 tf->category = WLAN_CATEGORY_TDLS;
2733 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2734
2735 skb_put(skb, sizeof(tf->u.setup_resp));
2736 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2737 tf->u.setup_resp.dialog_token = dialog_token;
2738 tf->u.setup_resp.capability =
2739 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2740
55de908a
JB
2741 ieee80211_add_srates_ie(sdata, skb, false, band);
2742 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN
2743 ieee80211_tdls_add_ext_capab(skb);
2744 break;
2745 case WLAN_TDLS_SETUP_CONFIRM:
2746 tf->category = WLAN_CATEGORY_TDLS;
2747 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2748
2749 skb_put(skb, sizeof(tf->u.setup_cfm));
2750 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2751 tf->u.setup_cfm.dialog_token = dialog_token;
2752 break;
2753 case WLAN_TDLS_TEARDOWN:
2754 tf->category = WLAN_CATEGORY_TDLS;
2755 tf->action_code = WLAN_TDLS_TEARDOWN;
2756
2757 skb_put(skb, sizeof(tf->u.teardown));
2758 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2759 break;
2760 case WLAN_TDLS_DISCOVERY_REQUEST:
2761 tf->category = WLAN_CATEGORY_TDLS;
2762 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2763
2764 skb_put(skb, sizeof(tf->u.discover_req));
2765 tf->u.discover_req.dialog_token = dialog_token;
2766 break;
2767 default:
2768 return -EINVAL;
2769 }
2770
2771 return 0;
2772}
2773
2774static int
2775ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2776 u8 *peer, u8 action_code, u8 dialog_token,
2777 u16 status_code, struct sk_buff *skb)
2778{
2779 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55de908a 2780 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
dfe018bf
AN
2781 struct ieee80211_mgmt *mgmt;
2782
2783 mgmt = (void *)skb_put(skb, 24);
2784 memset(mgmt, 0, 24);
2785 memcpy(mgmt->da, peer, ETH_ALEN);
2786 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2787 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2788
2789 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2790 IEEE80211_STYPE_ACTION);
2791
2792 switch (action_code) {
2793 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2794 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2795 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2796 mgmt->u.action.u.tdls_discover_resp.action_code =
2797 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2798 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2799 dialog_token;
2800 mgmt->u.action.u.tdls_discover_resp.capability =
2801 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2802
55de908a
JB
2803 ieee80211_add_srates_ie(sdata, skb, false, band);
2804 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
dfe018bf
AN
2805 ieee80211_tdls_add_ext_capab(skb);
2806 break;
2807 default:
2808 return -EINVAL;
2809 }
2810
2811 return 0;
2812}
2813
2814static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2815 u8 *peer, u8 action_code, u8 dialog_token,
2816 u16 status_code, const u8 *extra_ies,
2817 size_t extra_ies_len)
2818{
2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2820 struct ieee80211_local *local = sdata->local;
2821 struct ieee80211_tx_info *info;
2822 struct sk_buff *skb = NULL;
2823 bool send_direct;
2824 int ret;
2825
2826 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2827 return -ENOTSUPP;
2828
2829 /* make sure we are in managed mode, and associated */
2830 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2831 !sdata->u.mgd.associated)
2832 return -EINVAL;
2833
bdcbd8e0
JB
2834 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2835 action_code, peer);
dfe018bf
AN
2836
2837 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2838 max(sizeof(struct ieee80211_mgmt),
2839 sizeof(struct ieee80211_tdls_data)) +
2840 50 + /* supported rates */
2841 7 + /* ext capab */
2842 extra_ies_len +
2843 sizeof(struct ieee80211_tdls_lnkie));
2844 if (!skb)
2845 return -ENOMEM;
2846
2847 info = IEEE80211_SKB_CB(skb);
2848 skb_reserve(skb, local->hw.extra_tx_headroom);
2849
2850 switch (action_code) {
2851 case WLAN_TDLS_SETUP_REQUEST:
2852 case WLAN_TDLS_SETUP_RESPONSE:
2853 case WLAN_TDLS_SETUP_CONFIRM:
2854 case WLAN_TDLS_TEARDOWN:
2855 case WLAN_TDLS_DISCOVERY_REQUEST:
2856 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2857 action_code, dialog_token,
2858 status_code, skb);
2859 send_direct = false;
2860 break;
2861 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2862 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2863 dialog_token, status_code,
2864 skb);
2865 send_direct = true;
2866 break;
2867 default:
2868 ret = -ENOTSUPP;
2869 break;
2870 }
2871
2872 if (ret < 0)
2873 goto fail;
2874
2875 if (extra_ies_len)
2876 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2877
2878 /* the TDLS link IE is always added last */
2879 switch (action_code) {
2880 case WLAN_TDLS_SETUP_REQUEST:
2881 case WLAN_TDLS_SETUP_CONFIRM:
2882 case WLAN_TDLS_TEARDOWN:
2883 case WLAN_TDLS_DISCOVERY_REQUEST:
2884 /* we are the initiator */
2885 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2886 sdata->u.mgd.bssid);
2887 break;
2888 case WLAN_TDLS_SETUP_RESPONSE:
2889 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2890 /* we are the responder */
2891 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2892 sdata->u.mgd.bssid);
2893 break;
2894 default:
2895 ret = -ENOTSUPP;
2896 goto fail;
2897 }
2898
2899 if (send_direct) {
2900 ieee80211_tx_skb(sdata, skb);
2901 return 0;
2902 }
2903
2904 /*
2905 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2906 * we should default to AC_VI.
2907 */
2908 switch (action_code) {
2909 case WLAN_TDLS_SETUP_REQUEST:
2910 case WLAN_TDLS_SETUP_RESPONSE:
2911 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2912 skb->priority = 2;
2913 break;
2914 default:
2915 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2916 skb->priority = 5;
2917 break;
2918 }
2919
2920 /* disable bottom halves when entering the Tx path */
2921 local_bh_disable();
2922 ret = ieee80211_subif_start_xmit(skb, dev);
2923 local_bh_enable();
2924
2925 return ret;
2926
2927fail:
2928 dev_kfree_skb(skb);
2929 return ret;
2930}
2931
2932static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2933 u8 *peer, enum nl80211_tdls_operation oper)
2934{
941c93cd 2935 struct sta_info *sta;
dfe018bf
AN
2936 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2937
2938 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2939 return -ENOTSUPP;
2940
2941 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2942 return -EINVAL;
2943
bdcbd8e0 2944 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN
2945
2946 switch (oper) {
2947 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN
2948 rcu_read_lock();
2949 sta = sta_info_get(sdata, peer);
2950 if (!sta) {
2951 rcu_read_unlock();
2952 return -ENOLINK;
2953 }
2954
c2c98fde 2955 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2956 rcu_read_unlock();
dfe018bf
AN
2957 break;
2958 case NL80211_TDLS_DISABLE_LINK:
2959 return sta_info_destroy_addr(sdata, peer);
2960 case NL80211_TDLS_TEARDOWN:
2961 case NL80211_TDLS_SETUP:
2962 case NL80211_TDLS_DISCOVERY_REQ:
2963 /* We don't support in-driver setup/teardown/discovery */
2964 return -ENOTSUPP;
2965 default:
2966 return -ENOTSUPP;
2967 }
2968
2969 return 0;
2970}
2971
06500736
JB
2972static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2973 const u8 *peer, u64 *cookie)
2974{
2975 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2976 struct ieee80211_local *local = sdata->local;
2977 struct ieee80211_qos_hdr *nullfunc;
2978 struct sk_buff *skb;
2979 int size = sizeof(*nullfunc);
2980 __le16 fc;
2981 bool qos;
2982 struct ieee80211_tx_info *info;
2983 struct sta_info *sta;
55de908a
JB
2984 struct ieee80211_chanctx_conf *chanctx_conf;
2985 enum ieee80211_band band;
06500736
JB
2986
2987 rcu_read_lock();
55de908a
JB
2988 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2989 if (WARN_ON(!chanctx_conf)) {
2990 rcu_read_unlock();
2991 return -EINVAL;
2992 }
2993 band = chanctx_conf->channel->band;
06500736 2994 sta = sta_info_get(sdata, peer);
b4487c2d 2995 if (sta) {
06500736 2996 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB
2997 } else {
2998 rcu_read_unlock();
06500736 2999 return -ENOLINK;
b4487c2d 3000 }
06500736
JB
3001
3002 if (qos) {
3003 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3004 IEEE80211_STYPE_QOS_NULLFUNC |
3005 IEEE80211_FCTL_FROMDS);
3006 } else {
3007 size -= 2;
3008 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3009 IEEE80211_STYPE_NULLFUNC |
3010 IEEE80211_FCTL_FROMDS);
3011 }
3012
3013 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
55de908a
JB
3014 if (!skb) {
3015 rcu_read_unlock();
06500736 3016 return -ENOMEM;
55de908a 3017 }
06500736
JB
3018
3019 skb->dev = dev;
3020
3021 skb_reserve(skb, local->hw.extra_tx_headroom);
3022
3023 nullfunc = (void *) skb_put(skb, size);
3024 nullfunc->frame_control = fc;
3025 nullfunc->duration_id = 0;
3026 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3027 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3028 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3029 nullfunc->seq_ctrl = 0;
3030
3031 info = IEEE80211_SKB_CB(skb);
3032
3033 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3034 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3035
3036 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3037 skb->priority = 7;
3038 if (qos)
3039 nullfunc->qos_ctrl = cpu_to_le16(7);
3040
3041 local_bh_disable();
55de908a 3042 ieee80211_xmit(sdata, skb, band);
06500736 3043 local_bh_enable();
55de908a 3044 rcu_read_unlock();
06500736
JB
3045
3046 *cookie = (unsigned long) skb;
3047 return 0;
3048}
3049
5b7ccaf3
JB
3050static struct ieee80211_channel *
3051ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
3052 enum nl80211_channel_type *type)
3053{
55de908a
JB
3054 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3055 struct ieee80211_chanctx_conf *chanctx_conf;
3056 struct ieee80211_channel *chan = NULL;
3057
3058 rcu_read_lock();
3059 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3060 if (chanctx_conf) {
3061 *type = chanctx_conf->channel_type;
3062 chan = chanctx_conf->channel;
3063 }
3064 rcu_read_unlock();
5b7ccaf3 3065
55de908a 3066 return chan;
5b7ccaf3
JB
3067}
3068
6d52563f
JB
3069#ifdef CONFIG_PM
3070static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3071{
3072 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3073}
3074#endif
3075
f0706e82
JB
3076struct cfg80211_ops mac80211_config_ops = {
3077 .add_virtual_intf = ieee80211_add_iface,
3078 .del_virtual_intf = ieee80211_del_iface,
42613db7 3079 .change_virtual_intf = ieee80211_change_iface,
f142c6b9
JB
3080 .start_p2p_device = ieee80211_start_p2p_device,
3081 .stop_p2p_device = ieee80211_stop_p2p_device,
e8cbb4cb
JB
3082 .add_key = ieee80211_add_key,
3083 .del_key = ieee80211_del_key,
62da92fb 3084 .get_key = ieee80211_get_key,
e8cbb4cb 3085 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3086 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB
3087 .start_ap = ieee80211_start_ap,
3088 .change_beacon = ieee80211_change_beacon,
3089 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB
3090 .add_station = ieee80211_add_station,
3091 .del_station = ieee80211_del_station,
3092 .change_station = ieee80211_change_station,
7bbdd2d9 3093 .get_station = ieee80211_get_station,
c5dd9c2b 3094 .dump_station = ieee80211_dump_station,
1289723e 3095 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC
3096#ifdef CONFIG_MAC80211_MESH
3097 .add_mpath = ieee80211_add_mpath,
3098 .del_mpath = ieee80211_del_mpath,
3099 .change_mpath = ieee80211_change_mpath,
3100 .get_mpath = ieee80211_get_mpath,
3101 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC
3102 .update_mesh_config = ieee80211_update_mesh_config,
3103 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB
3104 .join_mesh = ieee80211_join_mesh,
3105 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3106#endif
9f1ba906 3107 .change_bss = ieee80211_change_bss,
31888487 3108 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3109 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC
3110 .suspend = ieee80211_suspend,
3111 .resume = ieee80211_resume,
2a519311 3112 .scan = ieee80211_scan,
79f460ca
LC
3113 .sched_scan_start = ieee80211_sched_scan_start,
3114 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM
3115 .auth = ieee80211_auth,
3116 .assoc = ieee80211_assoc,
3117 .deauth = ieee80211_deauth,
3118 .disassoc = ieee80211_disassoc,
af8cdcd8
JB
3119 .join_ibss = ieee80211_join_ibss,
3120 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 3121 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB
3122 .set_tx_power = ieee80211_set_tx_power,
3123 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3124 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3125 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3126 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3127 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3128 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3129 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB
3130 .remain_on_channel = ieee80211_remain_on_channel,
3131 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3132 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3133 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3134 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3135 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR
3136 .set_antenna = ieee80211_set_antenna,
3137 .get_antenna = ieee80211_get_antenna,
38c09159
JL
3138 .set_ringparam = ieee80211_set_ringparam,
3139 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3140 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN
3141 .tdls_oper = ieee80211_tdls_oper,
3142 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3143 .probe_client = ieee80211_probe_client,
b53be792 3144 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB
3145#ifdef CONFIG_PM
3146 .set_wakeup = ieee80211_set_wakeup,
3147#endif
b1ab7925
BG
3148 .get_et_sset_count = ieee80211_get_et_sset_count,
3149 .get_et_stats = ieee80211_get_et_stats,
3150 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3151 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3152};