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Merge branch 'for-linus' of git://git.kernel.dk/linux-block
[deliverable/linux.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
dfe018bf 15#include <linux/if_ether.h>
f0706e82
JB		 16#include <net/cfg80211.h>
17#include "ieee80211_i.h"
24487981 18#include "driver-ops.h"
e0eb6859 19#include "cfg.h"
2c8dccc7 20#include "rate.h"
c5dd9c2b 21#include "mesh.h"
c5dd9c2b 22
84efbb84
JB		 23static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name,
24 enum nl80211_iftype type,
25 u32 *flags,
26 struct vif_params *params)
f0706e82
JB		 27{
28 struct ieee80211_local *local = wiphy_priv(wiphy);
84efbb84 29 struct wireless_dev *wdev;
8cc9a739
MW		 30 struct ieee80211_sub_if_data *sdata;
31 int err;
f0706e82 32
84efbb84 33 err = ieee80211_if_add(local, name, &wdev, type, params);
f9e10ce4
JB		 34 if (err)
35 return ERR_PTR(err);
8cc9a739 36
f9e10ce4 37 if (type == NL80211_IFTYPE_MONITOR && flags) {
84efbb84 38 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
f9e10ce4
JB		 39 sdata->u.mntr_flags = *flags;
40 }
41
84efbb84 42 return wdev;
f0706e82
JB		 43}
44
84efbb84 45static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
f0706e82 46{
84efbb84 47 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
f0706e82 48
75636525 49 return 0;
f0706e82
JB		 50}
51
e36d56b6
JB		 52static int ieee80211_change_iface(struct wiphy *wiphy,
53 struct net_device *dev,
2ec600d6
LCC		 54 enum nl80211_iftype type, u32 *flags,
55 struct vif_params *params)
42613db7 56{
9607e6b6 57 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 58 int ret;
42613db7 59
05c914fe 60 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 61 if (ret)
62 return ret;
42613db7 63
9bc383de
JB		 64 if (type == NL80211_IFTYPE_AP_VLAN &&
65 params && params->use_4addr == 0)
a9b3cd7f 66 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
9bc383de
JB		 67 else if (type == NL80211_IFTYPE_STATION &&
68 params && params->use_4addr >= 0)
69 sdata->u.mgd.use_4addr = params->use_4addr;
70
85416a4f
CL		 71 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
72 struct ieee80211_local *local = sdata->local;
73
74 if (ieee80211_sdata_running(sdata)) {
75 /*
76 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
77 * changed while the interface is up.
78 * Else we would need to add a lot of cruft
79 * to update everything:
80 * cooked_mntrs, monitor and all fif_* counters
81 * reconfigure hardware
82 */
83 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
84 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
85 return -EBUSY;
86
87 ieee80211_adjust_monitor_flags(sdata, -1);
88 sdata->u.mntr_flags = *flags;
89 ieee80211_adjust_monitor_flags(sdata, 1);
90
91 ieee80211_configure_filter(local);
92 } else {
93 /*
94 * Because the interface is down, ieee80211_do_stop
95 * and ieee80211_do_open take care of "everything"
96 * mentioned in the comment above.
97 */
98 sdata->u.mntr_flags = *flags;
99 }
100 }
f7917af9 101
42613db7
JB		 102 return 0;
103}
104
b53be792
SW		 105static int ieee80211_set_noack_map(struct wiphy *wiphy,
106 struct net_device *dev,
107 u16 noack_map)
108{
109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 sdata->noack_map = noack_map;
112 return 0;
113}
114
e8cbb4cb 115static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 116 u8 key_idx, bool pairwise, const u8 *mac_addr,
e8cbb4cb
JB		 117 struct key_params *params)
118{
26a58456 119 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
e8cbb4cb 120 struct sta_info *sta = NULL;
db4d1169 121 struct ieee80211_key *key;
3b96766f 122 int err;
e8cbb4cb 123
26a58456 124 if (!ieee80211_sdata_running(sdata))
ad0e2b5a
JB		 125 return -ENETDOWN;
126
97359d12 127 /* reject WEP and TKIP keys if WEP failed to initialize */
e8cbb4cb
JB		 128 switch (params->cipher) {
129 case WLAN_CIPHER_SUITE_WEP40:
e8cbb4cb 130 case WLAN_CIPHER_SUITE_TKIP:
97359d12
JB		 131 case WLAN_CIPHER_SUITE_WEP104:
132 if (IS_ERR(sdata->local->wep_tx_tfm))
133 return -EINVAL;
3cfcf6ac 134 break;
e8cbb4cb 135 default:
97359d12 136 break;
e8cbb4cb
JB		 137 }
138
97359d12
JB		 139 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
140 params->key, params->seq_len, params->seq);
1ac62ba7
BH		 141 if (IS_ERR(key))
142 return PTR_ERR(key);
db4d1169 143
e31b8213
JB		 144 if (pairwise)
145 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
146
ad0e2b5a 147 mutex_lock(&sdata->local->sta_mtx);
3b96766f 148
e8cbb4cb 149 if (mac_addr) {
ff973af7
TP		 150 if (ieee80211_vif_is_mesh(&sdata->vif))
151 sta = sta_info_get(sdata, mac_addr);
152 else
153 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169 154 if (!sta) {
32162a4d 155 ieee80211_key_free(sdata->local, key);
3b96766f
JB		 156 err = -ENOENT;
157 goto out_unlock;
db4d1169 158 }
e8cbb4cb
JB		 159 }
160
3ffc2a90
JB		 161 err = ieee80211_key_link(key, sdata, sta);
162 if (err)
163 ieee80211_key_free(sdata->local, key);
db4d1169 164
3b96766f 165 out_unlock:
ad0e2b5a 166 mutex_unlock(&sdata->local->sta_mtx);
3b96766f
JB		 167
168 return err;
e8cbb4cb
JB		 169}
170
171static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213 172 u8 key_idx, bool pairwise, const u8 *mac_addr)
e8cbb4cb 173{
5c0c3641
JB		 174 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175 struct ieee80211_local *local = sdata->local;
e8cbb4cb 176 struct sta_info *sta;
5c0c3641 177 struct ieee80211_key *key = NULL;
e8cbb4cb
JB		 178 int ret;
179
5c0c3641
JB		 180 mutex_lock(&local->sta_mtx);
181 mutex_lock(&local->key_mtx);
3b96766f 182
e8cbb4cb 183 if (mac_addr) {
3b96766f
JB		 184 ret = -ENOENT;
185
0e5ded5a 186 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 187 if (!sta)
3b96766f 188 goto out_unlock;
e8cbb4cb 189
5c0c3641 190 if (pairwise)
40b275b6 191 key = key_mtx_dereference(local, sta->ptk);
5c0c3641 192 else
40b275b6 193 key = key_mtx_dereference(local, sta->gtk[key_idx]);
5c0c3641 194 } else
40b275b6 195 key = key_mtx_dereference(local, sdata->keys[key_idx]);
e8cbb4cb 196
5c0c3641 197 if (!key) {
3b96766f
JB		 198 ret = -ENOENT;
199 goto out_unlock;
200 }
e8cbb4cb 201
5c0c3641 202 __ieee80211_key_free(key);
e8cbb4cb 203
3b96766f
JB		 204 ret = 0;
205 out_unlock:
5c0c3641
JB		 206 mutex_unlock(&local->key_mtx);
207 mutex_unlock(&local->sta_mtx);
3b96766f
JB		 208
209 return ret;
e8cbb4cb
JB		 210}
211
62da92fb 212static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
e31b8213
JB		 213 u8 key_idx, bool pairwise, const u8 *mac_addr,
214 void *cookie,
62da92fb
JB		 215 void (*callback)(void *cookie,
216 struct key_params *params))
217{
14db74bc 218 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 219 struct sta_info *sta = NULL;
220 u8 seq[6] = {0};
221 struct key_params params;
e31b8213 222 struct ieee80211_key *key = NULL;
aba83a0b 223 u64 pn64;
62da92fb
JB		 224 u32 iv32;
225 u16 iv16;
226 int err = -ENOENT;
227
14db74bc
JB		 228 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
229
3b96766f
JB		 230 rcu_read_lock();
231
62da92fb 232 if (mac_addr) {
0e5ded5a 233 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 234 if (!sta)
235 goto out;
236
e31b8213 237 if (pairwise)
a3836e02 238 key = rcu_dereference(sta->ptk);
e31b8213 239 else if (key_idx < NUM_DEFAULT_KEYS)
a3836e02 240 key = rcu_dereference(sta->gtk[key_idx]);
62da92fb 241 } else
a3836e02 242 key = rcu_dereference(sdata->keys[key_idx]);
62da92fb
JB		 243
244 if (!key)
245 goto out;
246
247 memset(&params, 0, sizeof(params));
248
97359d12 249 params.cipher = key->conf.cipher;
62da92fb 250
97359d12
JB		 251 switch (key->conf.cipher) {
252 case WLAN_CIPHER_SUITE_TKIP:
b0f76b33
HH		 253 iv32 = key->u.tkip.tx.iv32;
254 iv16 = key->u.tkip.tx.iv16;
62da92fb 255
24487981
JB		 256 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
257 drv_get_tkip_seq(sdata->local,
258 key->conf.hw_key_idx,
259 &iv32, &iv16);
62da92fb
JB		 260
261 seq[0] = iv16 & 0xff;
262 seq[1] = (iv16 >> 8) & 0xff;
263 seq[2] = iv32 & 0xff;
264 seq[3] = (iv32 >> 8) & 0xff;
265 seq[4] = (iv32 >> 16) & 0xff;
266 seq[5] = (iv32 >> 24) & 0xff;
267 params.seq = seq;
268 params.seq_len = 6;
269 break;
97359d12 270 case WLAN_CIPHER_SUITE_CCMP:
aba83a0b
JB		 271 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
272 seq[0] = pn64;
273 seq[1] = pn64 >> 8;
274 seq[2] = pn64 >> 16;
275 seq[3] = pn64 >> 24;
276 seq[4] = pn64 >> 32;
277 seq[5] = pn64 >> 40;
62da92fb
JB		 278 params.seq = seq;
279 params.seq_len = 6;
280 break;
97359d12 281 case WLAN_CIPHER_SUITE_AES_CMAC:
75396ae6
JB		 282 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
283 seq[0] = pn64;
284 seq[1] = pn64 >> 8;
285 seq[2] = pn64 >> 16;
286 seq[3] = pn64 >> 24;
287 seq[4] = pn64 >> 32;
288 seq[5] = pn64 >> 40;
3cfcf6ac
JM		 289 params.seq = seq;
290 params.seq_len = 6;
291 break;
62da92fb
JB		 292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
3b96766f 301 rcu_read_unlock();
62da92fb
JB		 302 return err;
303}
304
e8cbb4cb
JB		 305static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
dbd2fd65
JB		 307 u8 key_idx, bool uni,
308 bool multi)
e8cbb4cb 309{
ad0e2b5a 310 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3b96766f 311
f7e0104c 312 ieee80211_set_default_key(sdata, key_idx, uni, multi);
e8cbb4cb
JB		 313
314 return 0;
315}
316
3cfcf6ac
JM		 317static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
318 struct net_device *dev,
319 u8 key_idx)
320{
66c52421 321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3cfcf6ac 322
3cfcf6ac
JM		 323 ieee80211_set_default_mgmt_key(sdata, key_idx);
324
3cfcf6ac
JM		 325 return 0;
326}
327
3af6334c
FF		 328static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
329{
330 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
331 struct ieee80211_supported_band *sband;
332 sband = sta->local->hw.wiphy->bands[
333 sta->local->hw.conf.channel->band];
334 rate->legacy = sband->bitrates[idx].bitrate;
335 } else
336 rate->mcs = idx;
337}
338
6b62bf32
TP		 339void sta_set_rate_info_tx(struct sta_info *sta,
340 const struct ieee80211_tx_rate *rate,
341 struct rate_info *rinfo)
342{
343 rinfo->flags = 0;
344 if (rate->flags & IEEE80211_TX_RC_MCS)
345 rinfo->flags |= RATE_INFO_FLAGS_MCS;
346 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
347 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
348 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
349 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
350 rate_idx_to_bitrate(rinfo, sta, rate->idx);
351}
352
c5dd9c2b
LCC		 353static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
354{
d0709a65 355 struct ieee80211_sub_if_data *sdata = sta->sdata;
66572cfc 356 struct ieee80211_local *local = sdata->local;
ebe27c91 357 struct timespec uptime;
c5dd9c2b 358
f5ea9120
JB		 359 sinfo->generation = sdata->local->sta_generation;
360
c5dd9c2b
LCC		 361 sinfo->filled = STATION_INFO_INACTIVE_TIME |
362 STATION_INFO_RX_BYTES |
420e7fab 363 STATION_INFO_TX_BYTES |
98c8a60a
JM		 364 STATION_INFO_RX_PACKETS |
365 STATION_INFO_TX_PACKETS |
b206b4ef
BR		 366 STATION_INFO_TX_RETRIES |
367 STATION_INFO_TX_FAILED |
5a5c731a 368 STATION_INFO_TX_BITRATE |
3af6334c 369 STATION_INFO_RX_BITRATE |
f4263c98 370 STATION_INFO_RX_DROP_MISC |
ebe27c91 371 STATION_INFO_BSS_PARAM |
7a724767 372 STATION_INFO_CONNECTED_TIME |
a85e1d55
PS		 373 STATION_INFO_STA_FLAGS |
374 STATION_INFO_BEACON_LOSS_COUNT;
ebe27c91
MSS		 375
376 do_posix_clock_monotonic_gettime(&uptime);
377 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
c5dd9c2b
LCC		 378
379 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
380 sinfo->rx_bytes = sta->rx_bytes;
381 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 382 sinfo->rx_packets = sta->rx_packets;
383 sinfo->tx_packets = sta->tx_packets;
b206b4ef
BR		 384 sinfo->tx_retries = sta->tx_retry_count;
385 sinfo->tx_failed = sta->tx_retry_failed;
5a5c731a 386 sinfo->rx_dropped_misc = sta->rx_dropped;
a85e1d55 387 sinfo->beacon_loss_count = sta->beacon_loss_count;
c5dd9c2b 388
19deffbe
JL		 389 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
390 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
541a45a1 391 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
66572cfc
VG		 392 if (!local->ops->get_rssi ||
393 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
394 sinfo->signal = (s8)sta->last_signal;
541a45a1 395 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
420e7fab
HR		 396 }
397
6b62bf32 398 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
3af6334c
FF		 399
400 sinfo->rxrate.flags = 0;
401 if (sta->last_rx_rate_flag & RX_FLAG_HT)
402 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
403 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
404 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
405 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
406 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
407 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
420e7fab 408
902acc78 409 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 410#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 411 sinfo->filled |= STATION_INFO_LLID |
412 STATION_INFO_PLID |
413 STATION_INFO_PLINK_STATE;
414
415 sinfo->llid = le16_to_cpu(sta->llid);
416 sinfo->plid = le16_to_cpu(sta->plid);
417 sinfo->plink_state = sta->plink_state;
d299a1f2
JC		 418 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
419 sinfo->filled |= STATION_INFO_T_OFFSET;
420 sinfo->t_offset = sta->t_offset;
421 }
c5dd9c2b 422#endif
902acc78 423 }
f4263c98
PS		 424
425 sinfo->bss_param.flags = 0;
426 if (sdata->vif.bss_conf.use_cts_prot)
427 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
428 if (sdata->vif.bss_conf.use_short_preamble)
429 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
430 if (sdata->vif.bss_conf.use_short_slot)
431 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
432 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
433 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
7a724767
HS		 434
435 sinfo->sta_flags.set = 0;
436 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
437 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
438 BIT(NL80211_STA_FLAG_WME) |
439 BIT(NL80211_STA_FLAG_MFP) |
e4121562
HS		 440 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
441 BIT(NL80211_STA_FLAG_TDLS_PEER);
7a724767
HS		 442 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
443 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
444 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
445 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
446 if (test_sta_flag(sta, WLAN_STA_WME))
447 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
448 if (test_sta_flag(sta, WLAN_STA_MFP))
449 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
450 if (test_sta_flag(sta, WLAN_STA_AUTH))
451 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
e4121562
HS		 452 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
453 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
c5dd9c2b
LCC		 454}
455
b1ab7925
BG		 456static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
457 "rx_packets", "rx_bytes", "wep_weak_iv_count",
458 "rx_duplicates", "rx_fragments", "rx_dropped",
459 "tx_packets", "tx_bytes", "tx_fragments",
460 "tx_filtered", "tx_retry_failed", "tx_retries",
3073a7c2
BG		 461 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
462 "channel", "noise", "ch_time", "ch_time_busy",
463 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
b1ab7925
BG		 464};
465#define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
466
467static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
468 struct net_device *dev,
469 int sset)
470{
e352114f
BG		 471 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
472 int rv = 0;
473
b1ab7925 474 if (sset == ETH_SS_STATS)
e352114f
BG		 475 rv += STA_STATS_LEN;
476
477 rv += drv_get_et_sset_count(sdata, sset);
b1ab7925 478
e352114f
BG		 479 if (rv == 0)
480 return -EOPNOTSUPP;
481 return rv;
b1ab7925
BG		 482}
483
484static void ieee80211_get_et_stats(struct wiphy *wiphy,
485 struct net_device *dev,
486 struct ethtool_stats *stats,
487 u64 *data)
488{
489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
490 struct sta_info *sta;
491 struct ieee80211_local *local = sdata->local;
3073a7c2
BG		 492 struct station_info sinfo;
493 struct survey_info survey;
494 int i, q;
495#define STA_STATS_SURVEY_LEN 7
b1ab7925
BG		 496
497 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
498
499#define ADD_STA_STATS(sta) \
500 do { \
501 data[i++] += sta->rx_packets; \
502 data[i++] += sta->rx_bytes; \
503 data[i++] += sta->wep_weak_iv_count; \
504 data[i++] += sta->num_duplicates; \
505 data[i++] += sta->rx_fragments; \
506 data[i++] += sta->rx_dropped; \
507 \
508 data[i++] += sta->tx_packets; \
509 data[i++] += sta->tx_bytes; \
510 data[i++] += sta->tx_fragments; \
511 data[i++] += sta->tx_filtered_count; \
512 data[i++] += sta->tx_retry_failed; \
513 data[i++] += sta->tx_retry_count; \
514 data[i++] += sta->beacon_loss_count; \
515 } while (0)
516
517 /* For Managed stations, find the single station based on BSSID
518 * and use that. For interface types, iterate through all available
519 * stations and add stats for any station that is assigned to this
520 * network device.
521 */
522
66572cfc 523 mutex_lock(&local->sta_mtx);
b1ab7925
BG		 524
525 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
526 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
3073a7c2
BG		 527
528 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
529 goto do_survey;
530
531 i = 0;
532 ADD_STA_STATS(sta);
533
534 data[i++] = sta->sta_state;
535
536 sinfo.filled = 0;
537 sta_set_sinfo(sta, &sinfo);
538
5204267d 539 if (sinfo.filled & STATION_INFO_TX_BITRATE)
3073a7c2
BG		 540 data[i] = 100000 *
541 cfg80211_calculate_bitrate(&sinfo.txrate);
542 i++;
5204267d 543 if (sinfo.filled & STATION_INFO_RX_BITRATE)
3073a7c2
BG		 544 data[i] = 100000 *
545 cfg80211_calculate_bitrate(&sinfo.rxrate);
546 i++;
547
5204267d 548 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
3073a7c2
BG		 549 data[i] = (u8)sinfo.signal_avg;
550 i++;
b1ab7925 551 } else {
66572cfc 552 list_for_each_entry(sta, &local->sta_list, list) {
b1ab7925
BG		 553 /* Make sure this station belongs to the proper dev */
554 if (sta->sdata->dev != dev)
555 continue;
556
557 i = 0;
558 ADD_STA_STATS(sta);
b1ab7925
BG		 559 }
560 }
561
3073a7c2
BG		 562do_survey:
563 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
564 /* Get survey stats for current channel */
565 q = 0;
566 while (true) {
567 survey.filled = 0;
568 if (drv_get_survey(local, q, &survey) != 0) {
569 survey.filled = 0;
570 break;
571 }
572
573 if (survey.channel &&
574 (local->oper_channel->center_freq ==
575 survey.channel->center_freq))
576 break;
577 q++;
578 }
579
580 if (survey.filled)
581 data[i++] = survey.channel->center_freq;
582 else
583 data[i++] = 0;
584 if (survey.filled & SURVEY_INFO_NOISE_DBM)
585 data[i++] = (u8)survey.noise;
586 else
587 data[i++] = -1LL;
588 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
589 data[i++] = survey.channel_time;
590 else
591 data[i++] = -1LL;
592 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
593 data[i++] = survey.channel_time_busy;
594 else
595 data[i++] = -1LL;
596 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
597 data[i++] = survey.channel_time_ext_busy;
598 else
599 data[i++] = -1LL;
600 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
601 data[i++] = survey.channel_time_rx;
602 else
603 data[i++] = -1LL;
604 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
605 data[i++] = survey.channel_time_tx;
606 else
607 data[i++] = -1LL;
608
66572cfc 609 mutex_unlock(&local->sta_mtx);
e352114f 610
3073a7c2
BG		 611 if (WARN_ON(i != STA_STATS_LEN))
612 return;
613
e352114f 614 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
b1ab7925
BG		 615}
616
617static void ieee80211_get_et_strings(struct wiphy *wiphy,
618 struct net_device *dev,
619 u32 sset, u8 *data)
620{
e352114f
BG		 621 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
622 int sz_sta_stats = 0;
623
b1ab7925 624 if (sset == ETH_SS_STATS) {
e352114f 625 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
b1ab7925
BG		 626 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
627 }
e352114f 628 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
b1ab7925 629}
c5dd9c2b
LCC		 630
631static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
632 int idx, u8 *mac, struct station_info *sinfo)
633{
3b53fde8 634 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 635 struct ieee80211_local *local = sdata->local;
c5dd9c2b 636 struct sta_info *sta;
d0709a65
JB		 637 int ret = -ENOENT;
638
66572cfc 639 mutex_lock(&local->sta_mtx);
c5dd9c2b 640
3b53fde8 641 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 642 if (sta) {
643 ret = 0;
17741cdc 644 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 645 sta_set_sinfo(sta, sinfo);
646 }
c5dd9c2b 647
66572cfc 648 mutex_unlock(&local->sta_mtx);
c5dd9c2b 649
d0709a65 650 return ret;
c5dd9c2b
LCC		 651}
652
1289723e
HS		 653static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
654 int idx, struct survey_info *survey)
655{
656 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
657
1289723e
HS		 658 return drv_get_survey(local, idx, survey);
659}
660
7bbdd2d9 661static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 662 u8 *mac, struct station_info *sinfo)
7bbdd2d9 663{
abe60632 664 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66572cfc 665 struct ieee80211_local *local = sdata->local;
7bbdd2d9 666 struct sta_info *sta;
d0709a65 667 int ret = -ENOENT;
7bbdd2d9 668
66572cfc 669 mutex_lock(&local->sta_mtx);
7bbdd2d9 670
0e5ded5a 671 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 672 if (sta) {
673 ret = 0;
674 sta_set_sinfo(sta, sinfo);
675 }
676
66572cfc 677 mutex_unlock(&local->sta_mtx);
d0709a65
JB		 678
679 return ret;
7bbdd2d9
JB		 680}
681
3d9e6e12
JB		 682static int ieee80211_set_channel(struct wiphy *wiphy,
683 struct net_device *netdev,
684 struct ieee80211_channel *chan,
685 enum nl80211_channel_type channel_type)
686{
687 struct ieee80211_local *local = wiphy_priv(wiphy);
688 struct ieee80211_sub_if_data *sdata = NULL;
689
690 if (netdev)
691 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
692
693 switch (ieee80211_get_channel_mode(local, NULL)) {
694 case CHAN_MODE_HOPPING:
695 return -EBUSY;
696 case CHAN_MODE_FIXED:
ac4d82fa
PF		 697 if (local->oper_channel != chan ||
698 (!sdata && local->_oper_channel_type != channel_type))
3d9e6e12
JB		 699 return -EBUSY;
700 if (!sdata && local->_oper_channel_type == channel_type)
701 return 0;
702 break;
703 case CHAN_MODE_UNDEFINED:
704 break;
705 }
706
707 if (!ieee80211_set_channel_type(local, sdata, channel_type))
708 return -EBUSY;
709
710 local->oper_channel = chan;
711
712 /* auto-detects changes */
713 ieee80211_hw_config(local, 0);
714
715 return 0;
716}
717
e8c9bd5b
JB		 718static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
719 struct ieee80211_channel *chan,
720 enum nl80211_channel_type channel_type)
721{
722 return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
723}
724
02945821 725static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
8860020e 726 const u8 *resp, size_t resp_len)
02945821
AN		 727{
728 struct sk_buff *new, *old;
729
730 if (!resp || !resp_len)
8860020e 731 return 1;
02945821 732
f724828b 733 old = rtnl_dereference(sdata->u.ap.probe_resp);
02945821
AN		 734
735 new = dev_alloc_skb(resp_len);
736 if (!new)
737 return -ENOMEM;
738
739 memcpy(skb_put(new, resp_len), resp, resp_len);
740
741 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
8860020e
JB		 742 if (old) {
743 /* TODO: use call_rcu() */
744 synchronize_rcu();
02945821 745 dev_kfree_skb(old);
8860020e 746 }
02945821
AN		 747
748 return 0;
749}
750
8860020e
JB		 751static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
752 struct cfg80211_beacon_data *params)
5dfdaf58
JB		 753{
754 struct beacon_data *new, *old;
755 int new_head_len, new_tail_len;
8860020e
JB		 756 int size, err;
757 u32 changed = BSS_CHANGED_BEACON;
5dfdaf58 758
40b275b6 759 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58 760
5dfdaf58
JB		 761 /* Need to have a beacon head if we don't have one yet */
762 if (!params->head && !old)
8860020e 763 return -EINVAL;
5dfdaf58
JB		 764
765 /* new or old head? */
766 if (params->head)
767 new_head_len = params->head_len;
768 else
769 new_head_len = old->head_len;
770
771 /* new or old tail? */
772 if (params->tail || !old)
773 /* params->tail_len will be zero for !params->tail */
774 new_tail_len = params->tail_len;
775 else
776 new_tail_len = old->tail_len;
777
778 size = sizeof(*new) + new_head_len + new_tail_len;
779
780 new = kzalloc(size, GFP_KERNEL);
781 if (!new)
782 return -ENOMEM;
783
784 /* start filling the new info now */
785
5dfdaf58
JB		 786 /*
787 * pointers go into the block we allocated,
788 * memory is | beacon_data | head | tail |
789 */
790 new->head = ((u8 *) new) + sizeof(*new);
791 new->tail = new->head + new_head_len;
792 new->head_len = new_head_len;
793 new->tail_len = new_tail_len;
794
795 /* copy in head */
796 if (params->head)
797 memcpy(new->head, params->head, new_head_len);
798 else
799 memcpy(new->head, old->head, new_head_len);
800
801 /* copy in optional tail */
802 if (params->tail)
803 memcpy(new->tail, params->tail, new_tail_len);
804 else
805 if (old)
806 memcpy(new->tail, old->tail, new_tail_len);
807
02945821
AN		 808 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
809 params->probe_resp_len);
8860020e
JB		 810 if (err < 0)
811 return err;
812 if (err == 0)
02945821
AN		 813 changed |= BSS_CHANGED_AP_PROBE_RESP;
814
8860020e
JB		 815 rcu_assign_pointer(sdata->u.ap.beacon, new);
816
817 if (old)
818 kfree_rcu(old, rcu_head);
7827493b 819
8860020e 820 return changed;
5dfdaf58
JB		 821}
822
8860020e
JB		 823static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
824 struct cfg80211_ap_settings *params)
5dfdaf58 825{
8860020e 826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5dfdaf58 827 struct beacon_data *old;
665c93a9 828 struct ieee80211_sub_if_data *vlan;
8860020e
JB		 829 u32 changed = BSS_CHANGED_BEACON_INT |
830 BSS_CHANGED_BEACON_ENABLED |
831 BSS_CHANGED_BEACON |
832 BSS_CHANGED_SSID;
833 int err;
14db74bc 834
40b275b6 835 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 836 if (old)
837 return -EALREADY;
838
aa430da4
JB		 839 err = ieee80211_set_channel(wiphy, dev, params->channel,
840 params->channel_type);
841 if (err)
842 return err;
843
665c93a9
JB		 844 /*
845 * Apply control port protocol, this allows us to
846 * not encrypt dynamic WEP control frames.
847 */
848 sdata->control_port_protocol = params->crypto.control_port_ethertype;
849 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
850 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
851 vlan->control_port_protocol =
852 params->crypto.control_port_ethertype;
853 vlan->control_port_no_encrypt =
854 params->crypto.control_port_no_encrypt;
855 }
856
8860020e
JB		 857 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
858 sdata->vif.bss_conf.dtim_period = params->dtim_period;
859
860 sdata->vif.bss_conf.ssid_len = params->ssid_len;
861 if (params->ssid_len)
862 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
863 params->ssid_len);
864 sdata->vif.bss_conf.hidden_ssid =
865 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
866
867 err = ieee80211_assign_beacon(sdata, &params->beacon);
868 if (err < 0)
869 return err;
870 changed |= err;
871
872 ieee80211_bss_info_change_notify(sdata, changed);
873
3edaf3e6
JB		 874 netif_carrier_on(dev);
875 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
876 netif_carrier_on(vlan->dev);
877
665c93a9 878 return 0;
5dfdaf58
JB		 879}
880
8860020e
JB		 881static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
882 struct cfg80211_beacon_data *params)
5dfdaf58 883{
14db74bc 884 struct ieee80211_sub_if_data *sdata;
5dfdaf58 885 struct beacon_data *old;
8860020e 886 int err;
5dfdaf58 887
14db74bc
JB		 888 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889
40b275b6 890 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 891 if (!old)
892 return -ENOENT;
893
8860020e
JB		 894 err = ieee80211_assign_beacon(sdata, params);
895 if (err < 0)
896 return err;
897 ieee80211_bss_info_change_notify(sdata, err);
898 return 0;
5dfdaf58
JB		 899}
900
8860020e 901static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
5dfdaf58 902{
3edaf3e6 903 struct ieee80211_sub_if_data *sdata, *vlan;
5dfdaf58
JB		 904 struct beacon_data *old;
905
14db74bc
JB		 906 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
907
40b275b6 908 old = rtnl_dereference(sdata->u.ap.beacon);
5dfdaf58
JB		 909 if (!old)
910 return -ENOENT;
911
3edaf3e6
JB		 912 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
913 netif_carrier_off(vlan->dev);
914 netif_carrier_off(dev);
915
a9b3cd7f 916 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
8860020e
JB		 917
918 kfree_rcu(old, rcu_head);
5dfdaf58 919
99102bd3 920 sta_info_flush(sdata->local, sdata);
2d0ddec5 921 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
8860020e 922
2d0ddec5 923 return 0;
5dfdaf58
JB		 924}
925
4fd6931e
JB		 926/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
927struct iapp_layer2_update {
928 u8 da[ETH_ALEN]; /* broadcast */
929 u8 sa[ETH_ALEN]; /* STA addr */
930 __be16 len; /* 6 */
931 u8 dsap; /* 0 */
932 u8 ssap; /* 0 */
933 u8 control;
934 u8 xid_info[3];
bc10502d 935} __packed;
4fd6931e
JB		 936
937static void ieee80211_send_layer2_update(struct sta_info *sta)
938{
939 struct iapp_layer2_update *msg;
940 struct sk_buff *skb;
941
942 /* Send Level 2 Update Frame to update forwarding tables in layer 2
943 * bridge devices */
944
945 skb = dev_alloc_skb(sizeof(*msg));
946 if (!skb)
947 return;
948 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
949
950 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
951 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
952
953 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 954 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 955 msg->len = htons(6);
956 msg->dsap = 0;
957 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
958 msg->control = 0xaf; /* XID response lsb.1111F101.
959 * F=0 (no poll command; unsolicited frame) */
960 msg->xid_info[0] = 0x81; /* XID format identifier */
961 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
962 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
963
d0709a65
JB		 964 skb->dev = sta->sdata->dev;
965 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e 966 memset(skb->cb, 0, sizeof(skb->cb));
06ee1c26 967 netif_rx_ni(skb);
4fd6931e
JB		 968}
969
d9a7ddb0
JB		 970static int sta_apply_parameters(struct ieee80211_local *local,
971 struct sta_info *sta,
972 struct station_parameters *params)
4fd6931e 973{
d9a7ddb0 974 int ret = 0;
4fd6931e
JB		 975 u32 rates;
976 int i, j;
8318d78a 977 struct ieee80211_supported_band *sband;
d0709a65 978 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 979 u32 mask, set;
4fd6931e 980
ae5eb026
JB		 981 sband = local->hw.wiphy->bands[local->oper_channel->band];
982
eccb8e8f
JB		 983 mask = params->sta_flags_mask;
984 set = params->sta_flags_set;
73651ee6 985
d9a7ddb0
JB		 986 /*
987 * In mesh mode, we can clear AUTHENTICATED flag but must
988 * also make ASSOCIATED follow appropriately for the driver
989 * API. See also below, after AUTHORIZED changes.
990 */
991 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
992 /* cfg80211 should not allow this in non-mesh modes */
993 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
994 return -EINVAL;
995
996 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
997 !test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 998 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 999 if (ret)
1000 return ret;
83d5cc01 1001 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1002 if (ret)
1003 return ret;
1004 }
1005 }
1006
eccb8e8f 1007 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
eccb8e8f 1008 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
83d5cc01 1009 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
543d1b92 1010 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
83d5cc01 1011 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
d9a7ddb0
JB		 1012 if (ret)
1013 return ret;
1014 }
1015
1016 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1017 /* cfg80211 should not allow this in non-mesh modes */
1018 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1019 return -EINVAL;
1020
1021 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1022 test_sta_flag(sta, WLAN_STA_AUTH)) {
83d5cc01 1023 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
d9a7ddb0
JB		 1024 if (ret)
1025 return ret;
83d5cc01 1026 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
d9a7ddb0
JB		 1027 if (ret)
1028 return ret;
1029 }
eccb8e8f 1030 }
4fd6931e 1031
d9a7ddb0 1032
eccb8e8f 1033 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
eccb8e8f 1034 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
c2c98fde
JB		 1035 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1036 else
1037 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
eccb8e8f 1038 }
4fd6931e 1039
eccb8e8f 1040 if (mask & BIT(NL80211_STA_FLAG_WME)) {
39df600a 1041 if (set & BIT(NL80211_STA_FLAG_WME)) {
c2c98fde 1042 set_sta_flag(sta, WLAN_STA_WME);
39df600a 1043 sta->sta.wme = true;
c2c98fde
JB		 1044 } else {
1045 clear_sta_flag(sta, WLAN_STA_WME);
1046 sta->sta.wme = false;
39df600a 1047 }
eccb8e8f 1048 }
5394af4d 1049
eccb8e8f 1050 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
eccb8e8f 1051 if (set & BIT(NL80211_STA_FLAG_MFP))
c2c98fde
JB		 1052 set_sta_flag(sta, WLAN_STA_MFP);
1053 else
1054 clear_sta_flag(sta, WLAN_STA_MFP);
4fd6931e 1055 }
b39c48fa 1056
07ba55d7 1057 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
07ba55d7 1058 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
c2c98fde
JB		 1059 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1060 else
1061 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
07ba55d7 1062 }
4fd6931e 1063
3b9ce80c
JB		 1064 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1065 sta->sta.uapsd_queues = params->uapsd_queues;
1066 sta->sta.max_sp = params->max_sp;
1067 }
9533b4ac 1068
51b50fbe
JB		 1069 /*
1070 * cfg80211 validates this (1-2007) and allows setting the AID
1071 * only when creating a new station entry
1072 */
1073 if (params->aid)
1074 sta->sta.aid = params->aid;
1075
73651ee6
JB		 1076 /*
1077 * FIXME: updating the following information is racy when this
1078 * function is called from ieee80211_change_station().
1079 * However, all this information should be static so
1080 * maybe we should just reject attemps to change it.
1081 */
1082
4fd6931e
JB		 1083 if (params->listen_interval >= 0)
1084 sta->listen_interval = params->listen_interval;
1085
1086 if (params->supported_rates) {
1087 rates = 0;
8318d78a 1088
4fd6931e
JB		 1089 for (i = 0; i < params->supported_rates_len; i++) {
1090 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 1091 for (j = 0; j < sband->n_bitrates; j++) {
1092 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 1093 rates |= BIT(j);
1094 }
1095 }
323ce79a 1096 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 1097 }
c5dd9c2b 1098
d9fe60de 1099 if (params->ht_capa)
ef96a842 1100 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
ae5eb026 1101 params->ht_capa,
d9fe60de 1102 &sta->sta.ht_cap);
36aedc90 1103
9c3990aa 1104 if (ieee80211_vif_is_mesh(&sdata->vif)) {
4daf50f2 1105#ifdef CONFIG_MAC80211_MESH
9c3990aa
JC		 1106 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1107 switch (params->plink_state) {
57cf8043
JC		 1108 case NL80211_PLINK_LISTEN:
1109 case NL80211_PLINK_ESTAB:
1110 case NL80211_PLINK_BLOCKED:
9c3990aa
JC		 1111 sta->plink_state = params->plink_state;
1112 break;
1113 default:
1114 /* nothing */
1115 break;
1116 }
1117 else
1118 switch (params->plink_action) {
1119 case PLINK_ACTION_OPEN:
1120 mesh_plink_open(sta);
1121 break;
1122 case PLINK_ACTION_BLOCK:
1123 mesh_plink_block(sta);
1124 break;
1125 }
4daf50f2 1126#endif
902acc78 1127 }
d9a7ddb0
JB		 1128
1129 return 0;
4fd6931e
JB		 1130}
1131
1132static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1133 u8 *mac, struct station_parameters *params)
1134{
14db74bc 1135 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1136 struct sta_info *sta;
1137 struct ieee80211_sub_if_data *sdata;
73651ee6 1138 int err;
b8d476c8 1139 int layer2_update;
4fd6931e 1140
4fd6931e
JB		 1141 if (params->vlan) {
1142 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1143
05c914fe
JB		 1144 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1145 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 1146 return -EINVAL;
1147 } else
1148 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1149
b203ca39 1150 if (ether_addr_equal(mac, sdata->vif.addr))
03e4497e
JB		 1151 return -EINVAL;
1152
1153 if (is_multicast_ether_addr(mac))
1154 return -EINVAL;
1155
1156 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 1157 if (!sta)
1158 return -ENOMEM;
4fd6931e 1159
83d5cc01
JB		 1160 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1161 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
4fd6931e 1162
d9a7ddb0
JB		 1163 err = sta_apply_parameters(local, sta, params);
1164 if (err) {
1165 sta_info_free(local, sta);
1166 return err;
1167 }
4fd6931e 1168
d64cf63e
AN		 1169 /*
1170 * for TDLS, rate control should be initialized only when supported
1171 * rates are known.
1172 */
1173 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1174 rate_control_rate_init(sta);
4fd6931e 1175
b8d476c8
JM		 1176 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1177 sdata->vif.type == NL80211_IFTYPE_AP;
1178
34e89507 1179 err = sta_info_insert_rcu(sta);
73651ee6 1180 if (err) {
73651ee6
JB		 1181 rcu_read_unlock();
1182 return err;
1183 }
1184
b8d476c8 1185 if (layer2_update)
73651ee6
JB		 1186 ieee80211_send_layer2_update(sta);
1187
1188 rcu_read_unlock();
1189
4fd6931e
JB		 1190 return 0;
1191}
1192
1193static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1194 u8 *mac)
1195{
14db74bc
JB		 1196 struct ieee80211_local *local = wiphy_priv(wiphy);
1197 struct ieee80211_sub_if_data *sdata;
4fd6931e 1198
14db74bc
JB		 1199 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1200
34e89507
JB		 1201 if (mac)
1202 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 1203
34e89507 1204 sta_info_flush(local, sdata);
4fd6931e
JB		 1205 return 0;
1206}
1207
1208static int ieee80211_change_station(struct wiphy *wiphy,
1209 struct net_device *dev,
1210 u8 *mac,
1211 struct station_parameters *params)
1212{
abe60632 1213 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 1214 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 1215 struct sta_info *sta;
1216 struct ieee80211_sub_if_data *vlansdata;
35b88623 1217 int err;
4fd6931e 1218
87be1e1e 1219 mutex_lock(&local->sta_mtx);
98dd6a57 1220
0e5ded5a 1221 sta = sta_info_get_bss(sdata, mac);
98dd6a57 1222 if (!sta) {
87be1e1e 1223 mutex_unlock(&local->sta_mtx);
4fd6931e 1224 return -ENOENT;
98dd6a57 1225 }
4fd6931e 1226
bdd90d5e
JB		 1227 /* in station mode, supported rates are only valid with TDLS */
1228 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1229 params->supported_rates &&
1230 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
87be1e1e 1231 mutex_unlock(&local->sta_mtx);
bdd90d5e
JB		 1232 return -EINVAL;
1233 }
1234
d0709a65 1235 if (params->vlan && params->vlan != sta->sdata->dev) {
7e3ed02c
FF		 1236 bool prev_4addr = false;
1237 bool new_4addr = false;
1238
4fd6931e
JB		 1239 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1240
05c914fe
JB		 1241 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1242 vlansdata->vif.type != NL80211_IFTYPE_AP) {
87be1e1e 1243 mutex_unlock(&local->sta_mtx);
4fd6931e 1244 return -EINVAL;
98dd6a57 1245 }
4fd6931e 1246
9bc383de 1247 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c 1248 if (vlansdata->u.vlan.sta) {
87be1e1e 1249 mutex_unlock(&local->sta_mtx);
f14543ee 1250 return -EBUSY;
3305443c 1251 }
f14543ee 1252
cf778b00 1253 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
7e3ed02c
FF		 1254 new_4addr = true;
1255 }
1256
1257 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1258 sta->sdata->u.vlan.sta) {
1259 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1260 prev_4addr = true;
f14543ee
FF		 1261 }
1262
14db74bc 1263 sta->sdata = vlansdata;
7e3ed02c
FF		 1264
1265 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1266 prev_4addr != new_4addr) {
1267 if (new_4addr)
1268 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1269 else
1270 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1271 }
1272
4fd6931e
JB		 1273 ieee80211_send_layer2_update(sta);
1274 }
1275
35b88623
EP		 1276 err = sta_apply_parameters(local, sta, params);
1277 if (err) {
1278 mutex_unlock(&local->sta_mtx);
1279 return err;
1280 }
4fd6931e 1281
d64cf63e
AN		 1282 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1283 rate_control_rate_init(sta);
1284
87be1e1e 1285 mutex_unlock(&local->sta_mtx);
98dd6a57 1286
808118cb
JY		 1287 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1288 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1289 ieee80211_recalc_ps(local, -1);
1290
4fd6931e
JB		 1291 return 0;
1292}
1293
c5dd9c2b
LCC		 1294#ifdef CONFIG_MAC80211_MESH
1295static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1296 u8 *dst, u8 *next_hop)
1297{
14db74bc 1298 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1299 struct mesh_path *mpath;
1300 struct sta_info *sta;
1301 int err;
1302
14db74bc
JB		 1303 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1304
d0709a65 1305 rcu_read_lock();
abe60632 1306 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1307 if (!sta) {
1308 rcu_read_unlock();
c5dd9c2b 1309 return -ENOENT;
d0709a65 1310 }
c5dd9c2b 1311
f698d856 1312 err = mesh_path_add(dst, sdata);
d0709a65
JB		 1313 if (err) {
1314 rcu_read_unlock();
c5dd9c2b 1315 return err;
d0709a65 1316 }
c5dd9c2b 1317
f698d856 1318 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1319 if (!mpath) {
1320 rcu_read_unlock();
c5dd9c2b
LCC		 1321 return -ENXIO;
1322 }
1323 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1324
c5dd9c2b
LCC		 1325 rcu_read_unlock();
1326 return 0;
1327}
1328
1329static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1330 u8 *dst)
1331{
f698d856
JBG		 1332 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1333
c5dd9c2b 1334 if (dst)
f698d856 1335 return mesh_path_del(dst, sdata);
c5dd9c2b 1336
ece1a2e7 1337 mesh_path_flush_by_iface(sdata);
c5dd9c2b
LCC		 1338 return 0;
1339}
1340
1341static int ieee80211_change_mpath(struct wiphy *wiphy,
1342 struct net_device *dev,
1343 u8 *dst, u8 *next_hop)
1344{
14db74bc 1345 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1346 struct mesh_path *mpath;
1347 struct sta_info *sta;
1348
14db74bc
JB		 1349 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1350
d0709a65
JB		 1351 rcu_read_lock();
1352
abe60632 1353 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 1354 if (!sta) {
1355 rcu_read_unlock();
c5dd9c2b 1356 return -ENOENT;
d0709a65 1357 }
c5dd9c2b 1358
f698d856 1359 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1360 if (!mpath) {
1361 rcu_read_unlock();
c5dd9c2b
LCC		 1362 return -ENOENT;
1363 }
1364
1365 mesh_path_fix_nexthop(mpath, sta);
d0709a65 1366
c5dd9c2b
LCC		 1367 rcu_read_unlock();
1368 return 0;
1369}
1370
1371static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1372 struct mpath_info *pinfo)
1373{
a3836e02
JB		 1374 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1375
1376 if (next_hop_sta)
1377 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 1378 else
1379 memset(next_hop, 0, ETH_ALEN);
1380
7ce8c7a3
LAYS		 1381 memset(pinfo, 0, sizeof(*pinfo));
1382
f5ea9120
JB		 1383 pinfo->generation = mesh_paths_generation;
1384
c5dd9c2b 1385 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 1386 MPATH_INFO_SN |
c5dd9c2b
LCC		 1387 MPATH_INFO_METRIC |
1388 MPATH_INFO_EXPTIME |
1389 MPATH_INFO_DISCOVERY_TIMEOUT |
1390 MPATH_INFO_DISCOVERY_RETRIES |
1391 MPATH_INFO_FLAGS;
1392
1393 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 1394 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 1395 pinfo->metric = mpath->metric;
1396 if (time_before(jiffies, mpath->exp_time))
1397 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1398 pinfo->discovery_timeout =
1399 jiffies_to_msecs(mpath->discovery_timeout);
1400 pinfo->discovery_retries = mpath->discovery_retries;
c5dd9c2b
LCC		 1401 if (mpath->flags & MESH_PATH_ACTIVE)
1402 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1403 if (mpath->flags & MESH_PATH_RESOLVING)
1404 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 1405 if (mpath->flags & MESH_PATH_SN_VALID)
1406 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 1407 if (mpath->flags & MESH_PATH_FIXED)
1408 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
7ce8c7a3
LAYS		 1409 if (mpath->flags & MESH_PATH_RESOLVED)
1410 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
c5dd9c2b
LCC		 1411}
1412
1413static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1414 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1415
1416{
14db74bc 1417 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1418 struct mesh_path *mpath;
1419
14db74bc
JB		 1420 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1421
c5dd9c2b 1422 rcu_read_lock();
f698d856 1423 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 1424 if (!mpath) {
1425 rcu_read_unlock();
1426 return -ENOENT;
1427 }
1428 memcpy(dst, mpath->dst, ETH_ALEN);
1429 mpath_set_pinfo(mpath, next_hop, pinfo);
1430 rcu_read_unlock();
1431 return 0;
1432}
1433
1434static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1435 int idx, u8 *dst, u8 *next_hop,
1436 struct mpath_info *pinfo)
1437{
14db74bc 1438 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1439 struct mesh_path *mpath;
1440
14db74bc
JB		 1441 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1442
c5dd9c2b 1443 rcu_read_lock();
f698d856 1444 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1445 if (!mpath) {
1446 rcu_read_unlock();
1447 return -ENOENT;
1448 }
1449 memcpy(dst, mpath->dst, ETH_ALEN);
1450 mpath_set_pinfo(mpath, next_hop, pinfo);
1451 rcu_read_unlock();
1452 return 0;
1453}
93da9cc1 1454
24bdd9f4 1455static int ieee80211_get_mesh_config(struct wiphy *wiphy,
93da9cc1 1456 struct net_device *dev,
1457 struct mesh_config *conf)
1458{
1459 struct ieee80211_sub_if_data *sdata;
1460 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1461
93da9cc1 1462 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1463 return 0;
1464}
1465
1466static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1467{
1468 return (mask >> (parm-1)) & 0x1;
1469}
1470
c80d545d
JC		 1471static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1472 const struct mesh_setup *setup)
1473{
1474 u8 *new_ie;
1475 const u8 *old_ie;
4bb62344
CYY		 1476 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1477 struct ieee80211_sub_if_data, u.mesh);
c80d545d 1478
581a8b0f 1479 /* allocate information elements */
c80d545d 1480 new_ie = NULL;
581a8b0f 1481 old_ie = ifmsh->ie;
c80d545d 1482
581a8b0f
JC		 1483 if (setup->ie_len) {
1484 new_ie = kmemdup(setup->ie, setup->ie_len,
c80d545d
JC		 1485 GFP_KERNEL);
1486 if (!new_ie)
1487 return -ENOMEM;
1488 }
581a8b0f
JC		 1489 ifmsh->ie_len = setup->ie_len;
1490 ifmsh->ie = new_ie;
1491 kfree(old_ie);
c80d545d
JC		 1492
1493 /* now copy the rest of the setup parameters */
1494 ifmsh->mesh_id_len = setup->mesh_id_len;
1495 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
d299a1f2 1496 ifmsh->mesh_sp_id = setup->sync_method;
c80d545d
JC		 1497 ifmsh->mesh_pp_id = setup->path_sel_proto;
1498 ifmsh->mesh_pm_id = setup->path_metric;
b130e5ce
JC		 1499 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1500 if (setup->is_authenticated)
1501 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1502 if (setup->is_secure)
1503 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
c80d545d 1504
4bb62344
CYY		 1505 /* mcast rate setting in Mesh Node */
1506 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1507 sizeof(setup->mcast_rate));
1508
c80d545d
JC		 1509 return 0;
1510}
1511
24bdd9f4 1512static int ieee80211_update_mesh_config(struct wiphy *wiphy,
29cbe68c
JB		 1513 struct net_device *dev, u32 mask,
1514 const struct mesh_config *nconf)
93da9cc1 1515{
1516 struct mesh_config *conf;
1517 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1518 struct ieee80211_if_mesh *ifmsh;
1519
93da9cc1 1520 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1521 ifmsh = &sdata->u.mesh;
93da9cc1 1522
93da9cc1 1523 /* Set the config options which we are interested in setting */
1524 conf = &(sdata->u.mesh.mshcfg);
1525 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1526 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1527 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1528 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1529 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1530 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1531 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1532 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1533 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1534 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1535 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1536 conf->dot11MeshTTL = nconf->dot11MeshTTL;
45904f21 1537 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
58886a90 1538 conf->element_ttl = nconf->element_ttl;
93da9cc1 1539 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1540 conf->auto_open_plinks = nconf->auto_open_plinks;
d299a1f2
JC		 1541 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1542 conf->dot11MeshNbrOffsetMaxNeighbor =
1543 nconf->dot11MeshNbrOffsetMaxNeighbor;
93da9cc1 1544 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1545 conf->dot11MeshHWMPmaxPREQretries =
1546 nconf->dot11MeshHWMPmaxPREQretries;
1547 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1548 conf->path_refresh_time = nconf->path_refresh_time;
1549 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1550 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1551 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1552 conf->dot11MeshHWMPactivePathTimeout =
1553 nconf->dot11MeshHWMPactivePathTimeout;
1554 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1555 conf->dot11MeshHWMPpreqMinInterval =
1556 nconf->dot11MeshHWMPpreqMinInterval;
dca7e943
TP		 1557 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1558 conf->dot11MeshHWMPperrMinInterval =
1559 nconf->dot11MeshHWMPperrMinInterval;
93da9cc1 1560 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1561 mask))
1562 conf->dot11MeshHWMPnetDiameterTraversalTime =
1563 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1564 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1565 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1566 ieee80211_mesh_root_setup(ifmsh);
1567 }
16dd7267 1568 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
c6133661
TP		 1569 /* our current gate announcement implementation rides on root
1570 * announcements, so require this ifmsh to also be a root node
1571 * */
1572 if (nconf->dot11MeshGateAnnouncementProtocol &&
dbb912cd
CYY		 1573 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1574 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
c6133661
TP		 1575 ieee80211_mesh_root_setup(ifmsh);
1576 }
16dd7267
JC		 1577 conf->dot11MeshGateAnnouncementProtocol =
1578 nconf->dot11MeshGateAnnouncementProtocol;
1579 }
a4f606ea 1580 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
0507e159
JC		 1581 conf->dot11MeshHWMPRannInterval =
1582 nconf->dot11MeshHWMPRannInterval;
94f90656
CYY		 1583 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1584 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
55335137
AN		 1585 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1586 /* our RSSI threshold implementation is supported only for
1587 * devices that report signal in dBm.
1588 */
1589 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1590 return -ENOTSUPP;
1591 conf->rssi_threshold = nconf->rssi_threshold;
1592 }
70c33eaa
AN		 1593 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1594 conf->ht_opmode = nconf->ht_opmode;
1595 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1596 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1597 }
ac1073a6
CYY		 1598 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1599 conf->dot11MeshHWMPactivePathToRootTimeout =
1600 nconf->dot11MeshHWMPactivePathToRootTimeout;
1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1602 conf->dot11MeshHWMProotInterval =
1603 nconf->dot11MeshHWMProotInterval;
728b19e5
CYY		 1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1605 conf->dot11MeshHWMPconfirmationInterval =
1606 nconf->dot11MeshHWMPconfirmationInterval;
93da9cc1 1607 return 0;
1608}
1609
29cbe68c
JB		 1610static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1611 const struct mesh_config *conf,
1612 const struct mesh_setup *setup)
1613{
1614 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
c80d545d 1616 int err;
29cbe68c 1617
c80d545d
JC		 1618 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1619 err = copy_mesh_setup(ifmsh, setup);
1620 if (err)
1621 return err;
cc1d2806
JB		 1622
1623 err = ieee80211_set_channel(wiphy, dev, setup->channel,
1624 setup->channel_type);
1625 if (err)
1626 return err;
1627
29cbe68c
JB		 1628 ieee80211_start_mesh(sdata);
1629
1630 return 0;
1631}
1632
1633static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1634{
1635 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636
1637 ieee80211_stop_mesh(sdata);
1638
1639 return 0;
1640}
c5dd9c2b
LCC		 1641#endif
1642
9f1ba906
JM		 1643static int ieee80211_change_bss(struct wiphy *wiphy,
1644 struct net_device *dev,
1645 struct bss_parameters *params)
1646{
9f1ba906
JM		 1647 struct ieee80211_sub_if_data *sdata;
1648 u32 changed = 0;
1649
9f1ba906
JM		 1650 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1651
9f1ba906 1652 if (params->use_cts_prot >= 0) {
bda3933a 1653 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1654 changed |= BSS_CHANGED_ERP_CTS_PROT;
1655 }
1656 if (params->use_short_preamble >= 0) {
bda3933a 1657 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1658 params->use_short_preamble;
1659 changed |= BSS_CHANGED_ERP_PREAMBLE;
1660 }
43d35343
FF		 1661
1662 if (!sdata->vif.bss_conf.use_short_slot &&
1663 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1664 sdata->vif.bss_conf.use_short_slot = true;
1665 changed |= BSS_CHANGED_ERP_SLOT;
1666 }
1667
9f1ba906 1668 if (params->use_short_slot_time >= 0) {
bda3933a 1669 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1670 params->use_short_slot_time;
1671 changed |= BSS_CHANGED_ERP_SLOT;
1672 }
1673
90c97a04
JM		 1674 if (params->basic_rates) {
1675 int i, j;
1676 u32 rates = 0;
1677 struct ieee80211_local *local = wiphy_priv(wiphy);
1678 struct ieee80211_supported_band *sband =
1679 wiphy->bands[local->oper_channel->band];
1680
1681 for (i = 0; i < params->basic_rates_len; i++) {
1682 int rate = (params->basic_rates[i] & 0x7f) * 5;
1683 for (j = 0; j < sband->n_bitrates; j++) {
1684 if (sband->bitrates[j].bitrate == rate)
1685 rates |= BIT(j);
1686 }
1687 }
1688 sdata->vif.bss_conf.basic_rates = rates;
1689 changed |= BSS_CHANGED_BASIC_RATES;
1690 }
1691
7b7b5e56
FF		 1692 if (params->ap_isolate >= 0) {
1693 if (params->ap_isolate)
1694 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1695 else
1696 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1697 }
1698
80d7e403
HS		 1699 if (params->ht_opmode >= 0) {
1700 sdata->vif.bss_conf.ht_operation_mode =
1701 (u16) params->ht_opmode;
1702 changed |= BSS_CHANGED_HT;
1703 }
1704
9f1ba906
JM		 1705 ieee80211_bss_info_change_notify(sdata, changed);
1706
1707 return 0;
1708}
1709
31888487 1710static int ieee80211_set_txq_params(struct wiphy *wiphy,
f70f01c2 1711 struct net_device *dev,
31888487
JM		 1712 struct ieee80211_txq_params *params)
1713{
1714 struct ieee80211_local *local = wiphy_priv(wiphy);
f6f3def3 1715 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
31888487
JM		 1716 struct ieee80211_tx_queue_params p;
1717
1718 if (!local->ops->conf_tx)
1719 return -EOPNOTSUPP;
1720
54bcbc69
JB		 1721 if (local->hw.queues < IEEE80211_NUM_ACS)
1722 return -EOPNOTSUPP;
1723
31888487
JM		 1724 memset(&p, 0, sizeof(p));
1725 p.aifs = params->aifs;
1726 p.cw_max = params->cwmax;
1727 p.cw_min = params->cwmin;
1728 p.txop = params->txop;
ab13315a
KV		 1729
1730 /*
1731 * Setting tx queue params disables u-apsd because it's only
1732 * called in master mode.
1733 */
1734 p.uapsd = false;
1735
a3304b0a
JB		 1736 sdata->tx_conf[params->ac] = p;
1737 if (drv_conf_tx(local, sdata, params->ac, &p)) {
0fb9a9ec 1738 wiphy_debug(local->hw.wiphy,
a3304b0a
JB		 1739 "failed to set TX queue parameters for AC %d\n",
1740 params->ac);
31888487
JM		 1741 return -EINVAL;
1742 }
1743
7d25745d
JB		 1744 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1745
31888487
JM		 1746 return 0;
1747}
1748
665af4fc 1749#ifdef CONFIG_PM
ff1b6e69
JB		 1750static int ieee80211_suspend(struct wiphy *wiphy,
1751 struct cfg80211_wowlan *wowlan)
665af4fc 1752{
eecc4800 1753 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
665af4fc
BC		 1754}
1755
1756static int ieee80211_resume(struct wiphy *wiphy)
1757{
1758 return __ieee80211_resume(wiphy_priv(wiphy));
1759}
1760#else
1761#define ieee80211_suspend NULL
1762#define ieee80211_resume NULL
1763#endif
1764
2a519311 1765static int ieee80211_scan(struct wiphy *wiphy,
2a519311
JB		 1766 struct cfg80211_scan_request *req)
1767{
fd014284
JB		 1768 struct ieee80211_sub_if_data *sdata;
1769
1770 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2a519311 1771
2ca27bcf
JB		 1772 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1773 case NL80211_IFTYPE_STATION:
1774 case NL80211_IFTYPE_ADHOC:
1775 case NL80211_IFTYPE_MESH_POINT:
1776 case NL80211_IFTYPE_P2P_CLIENT:
1777 break;
1778 case NL80211_IFTYPE_P2P_GO:
1779 if (sdata->local->ops->hw_scan)
1780 break;
e9d7732e
JB		 1781 /*
1782 * FIXME: implement NoA while scanning in software,
1783 * for now fall through to allow scanning only when
1784 * beaconing hasn't been configured yet
1785 */
2ca27bcf
JB		 1786 case NL80211_IFTYPE_AP:
1787 if (sdata->u.ap.beacon)
1788 return -EOPNOTSUPP;
1789 break;
1790 default:
1791 return -EOPNOTSUPP;
1792 }
2a519311
JB		 1793
1794 return ieee80211_request_scan(sdata, req);
1795}
1796
79f460ca
LC		 1797static int
1798ieee80211_sched_scan_start(struct wiphy *wiphy,
1799 struct net_device *dev,
1800 struct cfg80211_sched_scan_request *req)
1801{
1802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1803
1804 if (!sdata->local->ops->sched_scan_start)
1805 return -EOPNOTSUPP;
1806
1807 return ieee80211_request_sched_scan_start(sdata, req);
1808}
1809
1810static int
85a9994a 1811ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
79f460ca
LC		 1812{
1813 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1814
1815 if (!sdata->local->ops->sched_scan_stop)
1816 return -EOPNOTSUPP;
1817
85a9994a 1818 return ieee80211_request_sched_scan_stop(sdata);
79f460ca
LC		 1819}
1820
636a5d36
JM		 1821static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1822 struct cfg80211_auth_request *req)
1823{
77fdaa12 1824 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1825}
1826
1827static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1828 struct cfg80211_assoc_request *req)
1829{
f444de05
JB		 1830 struct ieee80211_local *local = wiphy_priv(wiphy);
1831 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1832
1833 switch (ieee80211_get_channel_mode(local, sdata)) {
1834 case CHAN_MODE_HOPPING:
1835 return -EBUSY;
1836 case CHAN_MODE_FIXED:
1837 if (local->oper_channel == req->bss->channel)
1838 break;
1839 return -EBUSY;
1840 case CHAN_MODE_UNDEFINED:
1841 break;
1842 }
1843
77fdaa12 1844 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1845}
1846
1847static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1848 struct cfg80211_deauth_request *req)
636a5d36 1849{
63c9c5e7 1850 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1851}
1852
1853static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
63c9c5e7 1854 struct cfg80211_disassoc_request *req)
636a5d36 1855{
63c9c5e7 1856 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1857}
1858
af8cdcd8
JB		 1859static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1860 struct cfg80211_ibss_params *params)
1861{
f444de05 1862 struct ieee80211_local *local = wiphy_priv(wiphy);
af8cdcd8
JB		 1863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1864
f444de05
JB		 1865 switch (ieee80211_get_channel_mode(local, sdata)) {
1866 case CHAN_MODE_HOPPING:
1867 return -EBUSY;
1868 case CHAN_MODE_FIXED:
1869 if (!params->channel_fixed)
1870 return -EBUSY;
1871 if (local->oper_channel == params->channel)
1872 break;
1873 return -EBUSY;
1874 case CHAN_MODE_UNDEFINED:
1875 break;
1876 }
1877
af8cdcd8
JB		 1878 return ieee80211_ibss_join(sdata, params);
1879}
1880
1881static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1882{
1883 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1884
1885 return ieee80211_ibss_leave(sdata);
1886}
1887
b9a5f8ca
JM		 1888static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1889{
1890 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1891 int err;
b9a5f8ca 1892
f23a4780
AN		 1893 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1894 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1895
1896 if (err)
1897 return err;
1898 }
1899
310bc676
LT		 1900 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1901 err = drv_set_coverage_class(local, wiphy->coverage_class);
1902
1903 if (err)
1904 return err;
1905 }
1906
b9a5f8ca 1907 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1908 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1909
24487981
JB		 1910 if (err)
1911 return err;
b9a5f8ca
JM		 1912 }
1913
1914 if (changed & WIPHY_PARAM_RETRY_SHORT)
1915 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1916 if (changed & WIPHY_PARAM_RETRY_LONG)
1917 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1918 if (changed &
1919 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1920 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1921
1922 return 0;
1923}
1924
7643a2c3 1925static int ieee80211_set_tx_power(struct wiphy *wiphy,
fa61cf70 1926 enum nl80211_tx_power_setting type, int mbm)
7643a2c3
JB		 1927{
1928 struct ieee80211_local *local = wiphy_priv(wiphy);
1929 struct ieee80211_channel *chan = local->hw.conf.channel;
1930 u32 changes = 0;
7643a2c3
JB		 1931
1932 switch (type) {
fa61cf70 1933 case NL80211_TX_POWER_AUTOMATIC:
7643a2c3
JB		 1934 local->user_power_level = -1;
1935 break;
fa61cf70
JO		 1936 case NL80211_TX_POWER_LIMITED:
1937 if (mbm < 0 || (mbm % 100))
1938 return -EOPNOTSUPP;
1939 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1940 break;
fa61cf70
JO		 1941 case NL80211_TX_POWER_FIXED:
1942 if (mbm < 0 || (mbm % 100))
1943 return -EOPNOTSUPP;
7643a2c3 1944 /* TODO: move to cfg80211 when it knows the channel */
fa61cf70 1945 if (MBM_TO_DBM(mbm) > chan->max_power)
7643a2c3 1946 return -EINVAL;
fa61cf70 1947 local->user_power_level = MBM_TO_DBM(mbm);
7643a2c3 1948 break;
7643a2c3
JB		 1949 }
1950
1951 ieee80211_hw_config(local, changes);
1952
1953 return 0;
1954}
1955
1956static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1957{
1958 struct ieee80211_local *local = wiphy_priv(wiphy);
1959
1960 *dbm = local->hw.conf.power_level;
1961
7643a2c3
JB		 1962 return 0;
1963}
1964
ab737a4f 1965static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
388ac775 1966 const u8 *addr)
ab737a4f
JB		 1967{
1968 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1969
1970 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1971
1972 return 0;
1973}
1974
1f87f7d3
JB		 1975static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1976{
1977 struct ieee80211_local *local = wiphy_priv(wiphy);
1978
1979 drv_rfkill_poll(local);
1980}
1981
aff89a9b 1982#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1983static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1984{
1985 struct ieee80211_local *local = wiphy_priv(wiphy);
1986
1987 if (!local->ops->testmode_cmd)
1988 return -EOPNOTSUPP;
1989
1990 return local->ops->testmode_cmd(&local->hw, data, len);
1991}
71063f0e
WYG		 1992
1993static int ieee80211_testmode_dump(struct wiphy *wiphy,
1994 struct sk_buff *skb,
1995 struct netlink_callback *cb,
1996 void *data, int len)
1997{
1998 struct ieee80211_local *local = wiphy_priv(wiphy);
1999
2000 if (!local->ops->testmode_dump)
2001 return -EOPNOTSUPP;
2002
2003 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2004}
aff89a9b
JB		 2005#endif
2006
0f78231b
JB		 2007int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2008 enum ieee80211_smps_mode smps_mode)
2009{
2010 const u8 *ap;
2011 enum ieee80211_smps_mode old_req;
2012 int err;
2013
243e6df4
JB		 2014 lockdep_assert_held(&sdata->u.mgd.mtx);
2015
0f78231b
JB		 2016 old_req = sdata->u.mgd.req_smps;
2017 sdata->u.mgd.req_smps = smps_mode;
2018
2019 if (old_req == smps_mode &&
2020 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2021 return 0;
2022
2023 /*
2024 * If not associated, or current association is not an HT
2025 * association, there's no need to send an action frame.
2026 */
2027 if (!sdata->u.mgd.associated ||
0aaffa9b 2028 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b 2029 mutex_lock(&sdata->local->iflist_mtx);
025e6be2 2030 ieee80211_recalc_smps(sdata->local);
0f78231b
JB		 2031 mutex_unlock(&sdata->local->iflist_mtx);
2032 return 0;
2033 }
2034
0c1ad2ca 2035 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 2036
2037 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2038 if (sdata->u.mgd.powersave)
2039 smps_mode = IEEE80211_SMPS_DYNAMIC;
2040 else
2041 smps_mode = IEEE80211_SMPS_OFF;
2042 }
2043
2044 /* send SM PS frame to AP */
2045 err = ieee80211_send_smps_action(sdata, smps_mode,
2046 ap, ap);
2047 if (err)
2048 sdata->u.mgd.req_smps = old_req;
2049
2050 return err;
2051}
2052
bc92afd9
JB		 2053static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2054 bool enabled, int timeout)
2055{
2056 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2057 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bc92afd9 2058
e5de30c9
BP		 2059 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2060 return -EOPNOTSUPP;
2061
bc92afd9
JB		 2062 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2063 return -EOPNOTSUPP;
2064
2065 if (enabled == sdata->u.mgd.powersave &&
ff616381 2066 timeout == local->dynamic_ps_forced_timeout)
bc92afd9
JB		 2067 return 0;
2068
2069 sdata->u.mgd.powersave = enabled;
ff616381 2070 local->dynamic_ps_forced_timeout = timeout;
bc92afd9 2071
0f78231b
JB		 2072 /* no change, but if automatic follow powersave */
2073 mutex_lock(&sdata->u.mgd.mtx);
2074 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2075 mutex_unlock(&sdata->u.mgd.mtx);
2076
bc92afd9
JB		 2077 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2078 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2079
2080 ieee80211_recalc_ps(local, -1);
2081
2082 return 0;
2083}
2084
a97c13c3
JO		 2085static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2086 struct net_device *dev,
2087 s32 rssi_thold, u32 rssi_hyst)
2088{
2089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
a97c13c3
JO		 2090 struct ieee80211_vif *vif = &sdata->vif;
2091 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2092
a97c13c3
JO		 2093 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2094 rssi_hyst == bss_conf->cqm_rssi_hyst)
2095 return 0;
2096
2097 bss_conf->cqm_rssi_thold = rssi_thold;
2098 bss_conf->cqm_rssi_hyst = rssi_hyst;
2099
2100 /* tell the driver upon association, unless already associated */
ea086359
JB		 2101 if (sdata->u.mgd.associated &&
2102 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
a97c13c3
JO		 2103 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2104
2105 return 0;
2106}
2107
9930380f
JB		 2108static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2109 struct net_device *dev,
2110 const u8 *addr,
2111 const struct cfg80211_bitrate_mask *mask)
2112{
2113 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2114 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
bdbfd6b5 2115 int i, ret;
2c7e6bc9 2116
554a43d5
EP		 2117 if (!ieee80211_sdata_running(sdata))
2118 return -ENETDOWN;
2119
bdbfd6b5
SM		 2120 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2121 ret = drv_set_bitrate_mask(local, sdata, mask);
2122 if (ret)
2123 return ret;
2124 }
9930380f 2125
19468413 2126 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
37eb0b16 2127 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
19468413
SW		 2128 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2129 sizeof(mask->control[i].mcs));
2130 }
9930380f 2131
37eb0b16 2132 return 0;
9930380f
JB		 2133}
2134
2eb278e0
JB		 2135static int ieee80211_start_roc_work(struct ieee80211_local *local,
2136 struct ieee80211_sub_if_data *sdata,
2137 struct ieee80211_channel *channel,
2138 enum nl80211_channel_type channel_type,
2139 unsigned int duration, u64 *cookie,
2140 struct sk_buff *txskb)
2141{
2142 struct ieee80211_roc_work *roc, *tmp;
2143 bool queued = false;
21f83589 2144 int ret;
21f83589
JB		 2145
2146 lockdep_assert_held(&local->mtx);
2147
2eb278e0
JB		 2148 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2149 if (!roc)
2150 return -ENOMEM;
2151
2152 roc->chan = channel;
2153 roc->chan_type = channel_type;
2154 roc->duration = duration;
2155 roc->req_duration = duration;
2156 roc->frame = txskb;
2157 roc->mgmt_tx_cookie = (unsigned long)txskb;
2158 roc->sdata = sdata;
2159 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2160 INIT_LIST_HEAD(&roc->dependents);
2161
2162 /* if there's one pending or we're scanning, queue this one */
2163 if (!list_empty(&local->roc_list) || local->scanning)
2164 goto out_check_combine;
2165
2166 /* if not HW assist, just queue & schedule work */
2167 if (!local->ops->remain_on_channel) {
2168 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2169 goto out_queue;
2170 }
2171
2172 /* otherwise actually kick it off here (for error handling) */
2173
2174 /*
2175 * If the duration is zero, then the driver
2176 * wouldn't actually do anything. Set it to
2177 * 10 for now.
2178 *
2179 * TODO: cancel the off-channel operation
2180 * when we get the SKB's TX status and
2181 * the wait time was zero before.
2182 */
2183 if (!duration)
2184 duration = 10;
2185
2186 ret = drv_remain_on_channel(local, channel, channel_type, duration);
21f83589 2187 if (ret) {
2eb278e0
JB		 2188 kfree(roc);
2189 return ret;
21f83589
JB		 2190 }
2191
2eb278e0
JB		 2192 roc->started = true;
2193 goto out_queue;
2194
2195 out_check_combine:
2196 list_for_each_entry(tmp, &local->roc_list, list) {
2197 if (tmp->chan != channel || tmp->chan_type != channel_type)
2198 continue;
2199
2200 /*
2201 * Extend this ROC if possible:
2202 *
2203 * If it hasn't started yet, just increase the duration
2204 * and add the new one to the list of dependents.
2205 */
2206 if (!tmp->started) {
2207 list_add_tail(&roc->list, &tmp->dependents);
2208 tmp->duration = max(tmp->duration, roc->duration);
2209 queued = true;
2210 break;
2211 }
2212
2213 /* If it has already started, it's more difficult ... */
2214 if (local->ops->remain_on_channel) {
2215 unsigned long j = jiffies;
2216
2217 /*
2218 * In the offloaded ROC case, if it hasn't begun, add
2219 * this new one to the dependent list to be handled
2220 * when the the master one begins. If it has begun,
2221 * check that there's still a minimum time left and
2222 * if so, start this one, transmitting the frame, but
2223 * add it to the list directly after this one with a
2224 * a reduced time so we'll ask the driver to execute
2225 * it right after finishing the previous one, in the
2226 * hope that it'll also be executed right afterwards,
2227 * effectively extending the old one.
2228 * If there's no minimum time left, just add it to the
2229 * normal list.
2230 */
2231 if (!tmp->hw_begun) {
2232 list_add_tail(&roc->list, &tmp->dependents);
2233 queued = true;
2234 break;
2235 }
2236
2237 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2238 tmp->hw_start_time +
2239 msecs_to_jiffies(tmp->duration))) {
2240 int new_dur;
2241
2242 ieee80211_handle_roc_started(roc);
2243
2244 new_dur = roc->duration -
2245 jiffies_to_msecs(tmp->hw_start_time +
2246 msecs_to_jiffies(
2247 tmp->duration) -
2248 j);
2249
2250 if (new_dur > 0) {
2251 /* add right after tmp */
2252 list_add(&roc->list, &tmp->list);
2253 } else {
2254 list_add_tail(&roc->list,
2255 &tmp->dependents);
2256 }
2257 queued = true;
2258 }
2259 } else if (del_timer_sync(&tmp->work.timer)) {
2260 unsigned long new_end;
2261
2262 /*
2263 * In the software ROC case, cancel the timer, if
2264 * that fails then the finish work is already
2265 * queued/pending and thus we queue the new ROC
2266 * normally, if that succeeds then we can extend
2267 * the timer duration and TX the frame (if any.)
2268 */
2269
2270 list_add_tail(&roc->list, &tmp->dependents);
2271 queued = true;
2272
2273 new_end = jiffies + msecs_to_jiffies(roc->duration);
2274
2275 /* ok, it was started & we canceled timer */
2276 if (time_after(new_end, tmp->work.timer.expires))
2277 mod_timer(&tmp->work.timer, new_end);
2278 else
2279 add_timer(&tmp->work.timer);
2280
2281 ieee80211_handle_roc_started(roc);
2282 }
2283 break;
2284 }
2285
2286 out_queue:
2287 if (!queued)
2288 list_add_tail(&roc->list, &local->roc_list);
2289
2290 /*
2291 * cookie is either the roc (for normal roc)
2292 * or the SKB (for mgmt TX)
2293 */
2294 if (txskb)
2295 *cookie = (unsigned long)txskb;
2296 else
2297 *cookie = (unsigned long)roc;
2298
2299 return 0;
21f83589
JB		 2300}
2301
b8bc4b0a 2302static int ieee80211_remain_on_channel(struct wiphy *wiphy,
71bbc994 2303 struct wireless_dev *wdev,
b8bc4b0a
JB		 2304 struct ieee80211_channel *chan,
2305 enum nl80211_channel_type channel_type,
2306 unsigned int duration,
2307 u64 *cookie)
2308{
71bbc994 2309 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
21f83589 2310 struct ieee80211_local *local = sdata->local;
2eb278e0 2311 int ret;
21f83589 2312
2eb278e0
JB		 2313 mutex_lock(&local->mtx);
2314 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2315 duration, cookie, NULL);
2316 mutex_unlock(&local->mtx);
b8bc4b0a 2317
2eb278e0 2318 return ret;
b8bc4b0a
JB		 2319}
2320
2eb278e0
JB		 2321static int ieee80211_cancel_roc(struct ieee80211_local *local,
2322 u64 cookie, bool mgmt_tx)
21f83589 2323{
2eb278e0 2324 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
21f83589
JB		 2325 int ret;
2326
2eb278e0
JB		 2327 mutex_lock(&local->mtx);
2328 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
e979e33c
JB		 2329 struct ieee80211_roc_work *dep, *tmp2;
2330
2331 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2332 if (!mgmt_tx && (unsigned long)dep != cookie)
2333 continue;
2334 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2335 continue;
2336 /* found dependent item -- just remove it */
2337 list_del(&dep->list);
2338 mutex_unlock(&local->mtx);
2339
2340 ieee80211_roc_notify_destroy(dep);
2341 return 0;
2342 }
2343
2eb278e0
JB		 2344 if (!mgmt_tx && (unsigned long)roc != cookie)
2345 continue;
2346 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2347 continue;
21f83589 2348
2eb278e0
JB		 2349 found = roc;
2350 break;
2351 }
21f83589 2352
2eb278e0
JB		 2353 if (!found) {
2354 mutex_unlock(&local->mtx);
2355 return -ENOENT;
2356 }
21f83589 2357
e979e33c
JB		 2358 /*
2359 * We found the item to cancel, so do that. Note that it
2360 * may have dependents, which we also cancel (and send
2361 * the expired signal for.) Not doing so would be quite
2362 * tricky here, but we may need to fix it later.
2363 */
2364
2eb278e0
JB		 2365 if (local->ops->remain_on_channel) {
2366 if (found->started) {
2367 ret = drv_cancel_remain_on_channel(local);
2368 if (WARN_ON_ONCE(ret)) {
2369 mutex_unlock(&local->mtx);
2370 return ret;
2371 }
2372 }
21f83589 2373
2eb278e0 2374 list_del(&found->list);
21f83589 2375
0f6b3f59
JB		 2376 if (found->started)
2377 ieee80211_start_next_roc(local);
2eb278e0 2378 mutex_unlock(&local->mtx);
21f83589 2379
2eb278e0
JB		 2380 ieee80211_roc_notify_destroy(found);
2381 } else {
2382 /* work may be pending so use it all the time */
2383 found->abort = true;
2384 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
21f83589 2385
21f83589
JB		 2386 mutex_unlock(&local->mtx);
2387
2eb278e0
JB		 2388 /* work will clean up etc */
2389 flush_delayed_work(&found->work);
21f83589 2390 }
b8bc4b0a 2391
2eb278e0 2392 return 0;
b8bc4b0a
JB		 2393}
2394
2eb278e0 2395static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 2396 struct wireless_dev *wdev,
2eb278e0 2397 u64 cookie)
f30221e4 2398{
71bbc994 2399 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2eb278e0 2400 struct ieee80211_local *local = sdata->local;
f30221e4 2401
2eb278e0 2402 return ieee80211_cancel_roc(local, cookie, false);
f30221e4
JB		 2403}
2404
71bbc994 2405static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
f7ca38df 2406 struct ieee80211_channel *chan, bool offchan,
2e161f78 2407 enum nl80211_channel_type channel_type,
f7ca38df 2408 bool channel_type_valid, unsigned int wait,
e9f935e3 2409 const u8 *buf, size_t len, bool no_cck,
e247bd90 2410 bool dont_wait_for_ack, u64 *cookie)
026331c4 2411{
71bbc994 2412 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
9d38d85d
JB		 2413 struct ieee80211_local *local = sdata->local;
2414 struct sk_buff *skb;
2415 struct sta_info *sta;
2416 const struct ieee80211_mgmt *mgmt = (void *)buf;
2eb278e0 2417 bool need_offchan = false;
e247bd90 2418 u32 flags;
2eb278e0 2419 int ret;
f7ca38df 2420
e247bd90
JB		 2421 if (dont_wait_for_ack)
2422 flags = IEEE80211_TX_CTL_NO_ACK;
2423 else
2424 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2425 IEEE80211_TX_CTL_REQ_TX_STATUS;
2426
aad14ceb
RM		 2427 if (no_cck)
2428 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2429
9d38d85d
JB		 2430 switch (sdata->vif.type) {
2431 case NL80211_IFTYPE_ADHOC:
2eb278e0
JB		 2432 if (!sdata->vif.bss_conf.ibss_joined)
2433 need_offchan = true;
2434 /* fall through */
2435#ifdef CONFIG_MAC80211_MESH
2436 case NL80211_IFTYPE_MESH_POINT:
2437 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2438 !sdata->u.mesh.mesh_id_len)
2439 need_offchan = true;
2440 /* fall through */
2441#endif
663fcafd
JB		 2442 case NL80211_IFTYPE_AP:
2443 case NL80211_IFTYPE_AP_VLAN:
2444 case NL80211_IFTYPE_P2P_GO:
2eb278e0
JB		 2445 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2446 !ieee80211_vif_is_mesh(&sdata->vif) &&
2447 !rcu_access_pointer(sdata->bss->beacon))
2448 need_offchan = true;
663fcafd
JB		 2449 if (!ieee80211_is_action(mgmt->frame_control) ||
2450 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
9d38d85d
JB		 2451 break;
2452 rcu_read_lock();
2453 sta = sta_info_get(sdata, mgmt->da);
2454 rcu_read_unlock();
2455 if (!sta)
2456 return -ENOLINK;
2457 break;
2458 case NL80211_IFTYPE_STATION:
663fcafd 2459 case NL80211_IFTYPE_P2P_CLIENT:
2eb278e0
JB		 2460 if (!sdata->u.mgd.associated)
2461 need_offchan = true;
9d38d85d
JB		 2462 break;
2463 default:
2464 return -EOPNOTSUPP;
2465 }
2466
2eb278e0
JB		 2467 mutex_lock(&local->mtx);
2468
2469 /* Check if the operating channel is the requested channel */
2470 if (!need_offchan) {
2471 need_offchan = chan != local->oper_channel;
2472 if (channel_type_valid &&
2473 channel_type != local->_oper_channel_type)
2474 need_offchan = true;
2475 }
2476
2477 if (need_offchan && !offchan) {
2478 ret = -EBUSY;
2479 goto out_unlock;
2480 }
2481
9d38d85d 2482 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2eb278e0
JB		 2483 if (!skb) {
2484 ret = -ENOMEM;
2485 goto out_unlock;
2486 }
9d38d85d
JB		 2487 skb_reserve(skb, local->hw.extra_tx_headroom);
2488
2489 memcpy(skb_put(skb, len), buf, len);
2490
2491 IEEE80211_SKB_CB(skb)->flags = flags;
2492
2493 skb->dev = sdata->dev;
9d38d85d 2494
2eb278e0 2495 if (!need_offchan) {
7f9f78ab 2496 *cookie = (unsigned long) skb;
f30221e4 2497 ieee80211_tx_skb(sdata, skb);
2eb278e0
JB		 2498 ret = 0;
2499 goto out_unlock;
f30221e4
JB		 2500 }
2501
2eb278e0
JB		 2502 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2503 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2504 IEEE80211_SKB_CB(skb)->hw_queue =
2505 local->hw.offchannel_tx_hw_queue;
f30221e4 2506
2eb278e0
JB		 2507 /* This will handle all kinds of coalescing and immediate TX */
2508 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2509 wait, cookie, skb);
2510 if (ret)
2511 kfree_skb(skb);
2512 out_unlock:
2513 mutex_unlock(&local->mtx);
2514 return ret;
026331c4
JM		 2515}
2516
f30221e4 2517static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
71bbc994 2518 struct wireless_dev *wdev,
f30221e4
JB		 2519 u64 cookie)
2520{
71bbc994 2521 struct ieee80211_local *local = wiphy_priv(wiphy);
f30221e4 2522
2eb278e0 2523 return ieee80211_cancel_roc(local, cookie, true);
f30221e4
JB		 2524}
2525
7be5086d 2526static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 2527 struct wireless_dev *wdev,
7be5086d
JB		 2528 u16 frame_type, bool reg)
2529{
2530 struct ieee80211_local *local = wiphy_priv(wiphy);
71bbc994 2531 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
7be5086d 2532
6abe0563
WH		 2533 switch (frame_type) {
2534 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2535 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2536 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
7be5086d 2537
6abe0563
WH		 2538 if (reg)
2539 ifibss->auth_frame_registrations++;
2540 else
2541 ifibss->auth_frame_registrations--;
2542 }
2543 break;
2544 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2545 if (reg)
2546 local->probe_req_reg++;
2547 else
2548 local->probe_req_reg--;
7be5086d 2549
6abe0563
WH		 2550 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2551 break;
2552 default:
2553 break;
2554 }
7be5086d
JB		 2555}
2556
15d96753
BR		 2557static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2558{
2559 struct ieee80211_local *local = wiphy_priv(wiphy);
2560
2561 if (local->started)
2562 return -EOPNOTSUPP;
2563
2564 return drv_set_antenna(local, tx_ant, rx_ant);
2565}
2566
2567static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2568{
2569 struct ieee80211_local *local = wiphy_priv(wiphy);
2570
2571 return drv_get_antenna(local, tx_ant, rx_ant);
2572}
2573
38c09159
JL		 2574static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2575{
2576 struct ieee80211_local *local = wiphy_priv(wiphy);
2577
2578 return drv_set_ringparam(local, tx, rx);
2579}
2580
2581static void ieee80211_get_ringparam(struct wiphy *wiphy,
2582 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2583{
2584 struct ieee80211_local *local = wiphy_priv(wiphy);
2585
2586 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2587}
2588
c68f4b89
JB		 2589static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2590 struct net_device *dev,
2591 struct cfg80211_gtk_rekey_data *data)
2592{
2593 struct ieee80211_local *local = wiphy_priv(wiphy);
2594 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2595
2596 if (!local->ops->set_rekey_data)
2597 return -EOPNOTSUPP;
2598
2599 drv_set_rekey_data(local, sdata, data);
2600
2601 return 0;
2602}
2603
dfe018bf
AN		 2604static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2605{
2606 u8 *pos = (void *)skb_put(skb, 7);
2607
2608 *pos++ = WLAN_EID_EXT_CAPABILITY;
2609 *pos++ = 5; /* len */
2610 *pos++ = 0x0;
2611 *pos++ = 0x0;
2612 *pos++ = 0x0;
2613 *pos++ = 0x0;
2614 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2615}
2616
2617static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2618{
2619 struct ieee80211_local *local = sdata->local;
2620 u16 capab;
2621
2622 capab = 0;
2623 if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2624 return capab;
2625
2626 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2627 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2628 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2629 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2630
2631 return capab;
2632}
2633
2634static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2635 u8 *peer, u8 *bssid)
2636{
2637 struct ieee80211_tdls_lnkie *lnkid;
2638
2639 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2640
2641 lnkid->ie_type = WLAN_EID_LINK_ID;
2642 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2643
2644 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2645 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2646 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2647}
2648
2649static int
2650ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2651 u8 *peer, u8 action_code, u8 dialog_token,
2652 u16 status_code, struct sk_buff *skb)
2653{
2654 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2655 struct ieee80211_tdls_data *tf;
2656
2657 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2658
2659 memcpy(tf->da, peer, ETH_ALEN);
2660 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2661 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2662 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2663
2664 switch (action_code) {
2665 case WLAN_TDLS_SETUP_REQUEST:
2666 tf->category = WLAN_CATEGORY_TDLS;
2667 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2668
2669 skb_put(skb, sizeof(tf->u.setup_req));
2670 tf->u.setup_req.dialog_token = dialog_token;
2671 tf->u.setup_req.capability =
2672 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2673
fc8a7321
JB		 2674 ieee80211_add_srates_ie(sdata, skb, false);
2675 ieee80211_add_ext_srates_ie(sdata, skb, false);
dfe018bf
AN		 2676 ieee80211_tdls_add_ext_capab(skb);
2677 break;
2678 case WLAN_TDLS_SETUP_RESPONSE:
2679 tf->category = WLAN_CATEGORY_TDLS;
2680 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2681
2682 skb_put(skb, sizeof(tf->u.setup_resp));
2683 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2684 tf->u.setup_resp.dialog_token = dialog_token;
2685 tf->u.setup_resp.capability =
2686 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2687
fc8a7321
JB		 2688 ieee80211_add_srates_ie(sdata, skb, false);
2689 ieee80211_add_ext_srates_ie(sdata, skb, false);
dfe018bf
AN		 2690 ieee80211_tdls_add_ext_capab(skb);
2691 break;
2692 case WLAN_TDLS_SETUP_CONFIRM:
2693 tf->category = WLAN_CATEGORY_TDLS;
2694 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2695
2696 skb_put(skb, sizeof(tf->u.setup_cfm));
2697 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2698 tf->u.setup_cfm.dialog_token = dialog_token;
2699 break;
2700 case WLAN_TDLS_TEARDOWN:
2701 tf->category = WLAN_CATEGORY_TDLS;
2702 tf->action_code = WLAN_TDLS_TEARDOWN;
2703
2704 skb_put(skb, sizeof(tf->u.teardown));
2705 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2706 break;
2707 case WLAN_TDLS_DISCOVERY_REQUEST:
2708 tf->category = WLAN_CATEGORY_TDLS;
2709 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2710
2711 skb_put(skb, sizeof(tf->u.discover_req));
2712 tf->u.discover_req.dialog_token = dialog_token;
2713 break;
2714 default:
2715 return -EINVAL;
2716 }
2717
2718 return 0;
2719}
2720
2721static int
2722ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2723 u8 *peer, u8 action_code, u8 dialog_token,
2724 u16 status_code, struct sk_buff *skb)
2725{
2726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2727 struct ieee80211_mgmt *mgmt;
2728
2729 mgmt = (void *)skb_put(skb, 24);
2730 memset(mgmt, 0, 24);
2731 memcpy(mgmt->da, peer, ETH_ALEN);
2732 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2733 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2734
2735 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2736 IEEE80211_STYPE_ACTION);
2737
2738 switch (action_code) {
2739 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2740 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2741 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2742 mgmt->u.action.u.tdls_discover_resp.action_code =
2743 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2744 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2745 dialog_token;
2746 mgmt->u.action.u.tdls_discover_resp.capability =
2747 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2748
fc8a7321
JB		 2749 ieee80211_add_srates_ie(sdata, skb, false);
2750 ieee80211_add_ext_srates_ie(sdata, skb, false);
dfe018bf
AN		 2751 ieee80211_tdls_add_ext_capab(skb);
2752 break;
2753 default:
2754 return -EINVAL;
2755 }
2756
2757 return 0;
2758}
2759
2760static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2761 u8 *peer, u8 action_code, u8 dialog_token,
2762 u16 status_code, const u8 *extra_ies,
2763 size_t extra_ies_len)
2764{
2765 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2766 struct ieee80211_local *local = sdata->local;
2767 struct ieee80211_tx_info *info;
2768 struct sk_buff *skb = NULL;
2769 bool send_direct;
2770 int ret;
2771
2772 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2773 return -ENOTSUPP;
2774
2775 /* make sure we are in managed mode, and associated */
2776 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2777 !sdata->u.mgd.associated)
2778 return -EINVAL;
2779
bdcbd8e0
JB		 2780 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
2781 action_code, peer);
dfe018bf
AN		 2782
2783 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2784 max(sizeof(struct ieee80211_mgmt),
2785 sizeof(struct ieee80211_tdls_data)) +
2786 50 + /* supported rates */
2787 7 + /* ext capab */
2788 extra_ies_len +
2789 sizeof(struct ieee80211_tdls_lnkie));
2790 if (!skb)
2791 return -ENOMEM;
2792
2793 info = IEEE80211_SKB_CB(skb);
2794 skb_reserve(skb, local->hw.extra_tx_headroom);
2795
2796 switch (action_code) {
2797 case WLAN_TDLS_SETUP_REQUEST:
2798 case WLAN_TDLS_SETUP_RESPONSE:
2799 case WLAN_TDLS_SETUP_CONFIRM:
2800 case WLAN_TDLS_TEARDOWN:
2801 case WLAN_TDLS_DISCOVERY_REQUEST:
2802 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2803 action_code, dialog_token,
2804 status_code, skb);
2805 send_direct = false;
2806 break;
2807 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2808 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2809 dialog_token, status_code,
2810 skb);
2811 send_direct = true;
2812 break;
2813 default:
2814 ret = -ENOTSUPP;
2815 break;
2816 }
2817
2818 if (ret < 0)
2819 goto fail;
2820
2821 if (extra_ies_len)
2822 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2823
2824 /* the TDLS link IE is always added last */
2825 switch (action_code) {
2826 case WLAN_TDLS_SETUP_REQUEST:
2827 case WLAN_TDLS_SETUP_CONFIRM:
2828 case WLAN_TDLS_TEARDOWN:
2829 case WLAN_TDLS_DISCOVERY_REQUEST:
2830 /* we are the initiator */
2831 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2832 sdata->u.mgd.bssid);
2833 break;
2834 case WLAN_TDLS_SETUP_RESPONSE:
2835 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2836 /* we are the responder */
2837 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2838 sdata->u.mgd.bssid);
2839 break;
2840 default:
2841 ret = -ENOTSUPP;
2842 goto fail;
2843 }
2844
2845 if (send_direct) {
2846 ieee80211_tx_skb(sdata, skb);
2847 return 0;
2848 }
2849
2850 /*
2851 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2852 * we should default to AC_VI.
2853 */
2854 switch (action_code) {
2855 case WLAN_TDLS_SETUP_REQUEST:
2856 case WLAN_TDLS_SETUP_RESPONSE:
2857 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2858 skb->priority = 2;
2859 break;
2860 default:
2861 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2862 skb->priority = 5;
2863 break;
2864 }
2865
2866 /* disable bottom halves when entering the Tx path */
2867 local_bh_disable();
2868 ret = ieee80211_subif_start_xmit(skb, dev);
2869 local_bh_enable();
2870
2871 return ret;
2872
2873fail:
2874 dev_kfree_skb(skb);
2875 return ret;
2876}
2877
2878static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2879 u8 *peer, enum nl80211_tdls_operation oper)
2880{
941c93cd 2881 struct sta_info *sta;
dfe018bf
AN		 2882 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2883
2884 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2885 return -ENOTSUPP;
2886
2887 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2888 return -EINVAL;
2889
bdcbd8e0 2890 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
dfe018bf
AN		 2891
2892 switch (oper) {
2893 case NL80211_TDLS_ENABLE_LINK:
941c93cd
AN		 2894 rcu_read_lock();
2895 sta = sta_info_get(sdata, peer);
2896 if (!sta) {
2897 rcu_read_unlock();
2898 return -ENOLINK;
2899 }
2900
c2c98fde 2901 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
941c93cd 2902 rcu_read_unlock();
dfe018bf
AN		 2903 break;
2904 case NL80211_TDLS_DISABLE_LINK:
2905 return sta_info_destroy_addr(sdata, peer);
2906 case NL80211_TDLS_TEARDOWN:
2907 case NL80211_TDLS_SETUP:
2908 case NL80211_TDLS_DISCOVERY_REQ:
2909 /* We don't support in-driver setup/teardown/discovery */
2910 return -ENOTSUPP;
2911 default:
2912 return -ENOTSUPP;
2913 }
2914
2915 return 0;
2916}
2917
06500736
JB		 2918static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2919 const u8 *peer, u64 *cookie)
2920{
2921 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2922 struct ieee80211_local *local = sdata->local;
2923 struct ieee80211_qos_hdr *nullfunc;
2924 struct sk_buff *skb;
2925 int size = sizeof(*nullfunc);
2926 __le16 fc;
2927 bool qos;
2928 struct ieee80211_tx_info *info;
2929 struct sta_info *sta;
2930
2931 rcu_read_lock();
2932 sta = sta_info_get(sdata, peer);
b4487c2d 2933 if (sta) {
06500736 2934 qos = test_sta_flag(sta, WLAN_STA_WME);
b4487c2d
JB		 2935 rcu_read_unlock();
2936 } else {
2937 rcu_read_unlock();
06500736 2938 return -ENOLINK;
b4487c2d 2939 }
06500736
JB		 2940
2941 if (qos) {
2942 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2943 IEEE80211_STYPE_QOS_NULLFUNC |
2944 IEEE80211_FCTL_FROMDS);
2945 } else {
2946 size -= 2;
2947 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2948 IEEE80211_STYPE_NULLFUNC |
2949 IEEE80211_FCTL_FROMDS);
2950 }
2951
2952 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2953 if (!skb)
2954 return -ENOMEM;
2955
2956 skb->dev = dev;
2957
2958 skb_reserve(skb, local->hw.extra_tx_headroom);
2959
2960 nullfunc = (void *) skb_put(skb, size);
2961 nullfunc->frame_control = fc;
2962 nullfunc->duration_id = 0;
2963 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2964 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2965 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2966 nullfunc->seq_ctrl = 0;
2967
2968 info = IEEE80211_SKB_CB(skb);
2969
2970 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2971 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2972
2973 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2974 skb->priority = 7;
2975 if (qos)
2976 nullfunc->qos_ctrl = cpu_to_le16(7);
2977
2978 local_bh_disable();
2979 ieee80211_xmit(sdata, skb);
2980 local_bh_enable();
2981
2982 *cookie = (unsigned long) skb;
2983 return 0;
2984}
2985
5b7ccaf3
JB		 2986static struct ieee80211_channel *
2987ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
2988 enum nl80211_channel_type *type)
2989{
2990 struct ieee80211_local *local = wiphy_priv(wiphy);
2991
2992 *type = local->_oper_channel_type;
2993 return local->oper_channel;
2994}
2995
6d52563f
JB		 2996#ifdef CONFIG_PM
2997static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2998{
2999 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3000}
3001#endif
3002
f0706e82
JB		 3003struct cfg80211_ops mac80211_config_ops = {
3004 .add_virtual_intf = ieee80211_add_iface,
3005 .del_virtual_intf = ieee80211_del_iface,
42613db7 3006 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 3007 .add_key = ieee80211_add_key,
3008 .del_key = ieee80211_del_key,
62da92fb 3009 .get_key = ieee80211_get_key,
e8cbb4cb 3010 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 3011 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
8860020e
JB		 3012 .start_ap = ieee80211_start_ap,
3013 .change_beacon = ieee80211_change_beacon,
3014 .stop_ap = ieee80211_stop_ap,
4fd6931e
JB		 3015 .add_station = ieee80211_add_station,
3016 .del_station = ieee80211_del_station,
3017 .change_station = ieee80211_change_station,
7bbdd2d9 3018 .get_station = ieee80211_get_station,
c5dd9c2b 3019 .dump_station = ieee80211_dump_station,
1289723e 3020 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 3021#ifdef CONFIG_MAC80211_MESH
3022 .add_mpath = ieee80211_add_mpath,
3023 .del_mpath = ieee80211_del_mpath,
3024 .change_mpath = ieee80211_change_mpath,
3025 .get_mpath = ieee80211_get_mpath,
3026 .dump_mpath = ieee80211_dump_mpath,
24bdd9f4
JC		 3027 .update_mesh_config = ieee80211_update_mesh_config,
3028 .get_mesh_config = ieee80211_get_mesh_config,
29cbe68c
JB		 3029 .join_mesh = ieee80211_join_mesh,
3030 .leave_mesh = ieee80211_leave_mesh,
c5dd9c2b 3031#endif
9f1ba906 3032 .change_bss = ieee80211_change_bss,
31888487 3033 .set_txq_params = ieee80211_set_txq_params,
e8c9bd5b 3034 .set_monitor_channel = ieee80211_set_monitor_channel,
665af4fc
BC		 3035 .suspend = ieee80211_suspend,
3036 .resume = ieee80211_resume,
2a519311 3037 .scan = ieee80211_scan,
79f460ca
LC		 3038 .sched_scan_start = ieee80211_sched_scan_start,
3039 .sched_scan_stop = ieee80211_sched_scan_stop,
636a5d36
JM		 3040 .auth = ieee80211_auth,
3041 .assoc = ieee80211_assoc,
3042 .deauth = ieee80211_deauth,
3043 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 3044 .join_ibss = ieee80211_join_ibss,
3045 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 3046 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 3047 .set_tx_power = ieee80211_set_tx_power,
3048 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 3049 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 3050 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 3051 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
71063f0e 3052 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
bc92afd9 3053 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 3054 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 3055 .remain_on_channel = ieee80211_remain_on_channel,
3056 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2e161f78 3057 .mgmt_tx = ieee80211_mgmt_tx,
f30221e4 3058 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
a97c13c3 3059 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
7be5086d 3060 .mgmt_frame_register = ieee80211_mgmt_frame_register,
15d96753
BR		 3061 .set_antenna = ieee80211_set_antenna,
3062 .get_antenna = ieee80211_get_antenna,
38c09159
JL		 3063 .set_ringparam = ieee80211_set_ringparam,
3064 .get_ringparam = ieee80211_get_ringparam,
c68f4b89 3065 .set_rekey_data = ieee80211_set_rekey_data,
dfe018bf
AN		 3066 .tdls_oper = ieee80211_tdls_oper,
3067 .tdls_mgmt = ieee80211_tdls_mgmt,
06500736 3068 .probe_client = ieee80211_probe_client,
b53be792 3069 .set_noack_map = ieee80211_set_noack_map,
6d52563f
JB		 3070#ifdef CONFIG_PM
3071 .set_wakeup = ieee80211_set_wakeup,
3072#endif
b1ab7925
BG		 3073 .get_et_sset_count = ieee80211_get_et_sset_count,
3074 .get_et_stats = ieee80211_get_et_stats,
3075 .get_et_strings = ieee80211_get_et_strings,
5b7ccaf3 3076 .get_channel = ieee80211_cfg_get_channel,
f0706e82 3077};
Linux kernel - Deliverables
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