Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
dfe018bf | 15 | #include <linux/if_ether.h> |
f0706e82 JB |
16 | #include <net/cfg80211.h> |
17 | #include "ieee80211_i.h" | |
24487981 | 18 | #include "driver-ops.h" |
e0eb6859 | 19 | #include "cfg.h" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
c5dd9c2b | 22 | |
552bff0c JB |
23 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
24 | const char *name, | |
84efbb84 JB |
25 | enum nl80211_iftype type, |
26 | u32 *flags, | |
27 | struct vif_params *params) | |
f0706e82 JB |
28 | { |
29 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 30 | struct wireless_dev *wdev; |
8cc9a739 MW |
31 | struct ieee80211_sub_if_data *sdata; |
32 | int err; | |
f0706e82 | 33 | |
84efbb84 | 34 | err = ieee80211_if_add(local, name, &wdev, type, params); |
f9e10ce4 JB |
35 | if (err) |
36 | return ERR_PTR(err); | |
8cc9a739 | 37 | |
f9e10ce4 | 38 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 39 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
40 | sdata->u.mntr_flags = *flags; |
41 | } | |
42 | ||
84efbb84 | 43 | return wdev; |
f0706e82 JB |
44 | } |
45 | ||
84efbb84 | 46 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 47 | { |
84efbb84 | 48 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 49 | |
75636525 | 50 | return 0; |
f0706e82 JB |
51 | } |
52 | ||
e36d56b6 JB |
53 | static int ieee80211_change_iface(struct wiphy *wiphy, |
54 | struct net_device *dev, | |
2ec600d6 LCC |
55 | enum nl80211_iftype type, u32 *flags, |
56 | struct vif_params *params) | |
42613db7 | 57 | { |
9607e6b6 | 58 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 59 | int ret; |
42613db7 | 60 | |
05c914fe | 61 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
62 | if (ret) |
63 | return ret; | |
42613db7 | 64 | |
9bc383de JB |
65 | if (type == NL80211_IFTYPE_AP_VLAN && |
66 | params && params->use_4addr == 0) | |
a9b3cd7f | 67 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
68 | else if (type == NL80211_IFTYPE_STATION && |
69 | params && params->use_4addr >= 0) | |
70 | sdata->u.mgd.use_4addr = params->use_4addr; | |
71 | ||
85416a4f CL |
72 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
73 | struct ieee80211_local *local = sdata->local; | |
74 | ||
75 | if (ieee80211_sdata_running(sdata)) { | |
76 | /* | |
77 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
78 | * changed while the interface is up. | |
79 | * Else we would need to add a lot of cruft | |
80 | * to update everything: | |
81 | * cooked_mntrs, monitor and all fif_* counters | |
82 | * reconfigure hardware | |
83 | */ | |
84 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
85 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
86 | return -EBUSY; | |
87 | ||
88 | ieee80211_adjust_monitor_flags(sdata, -1); | |
89 | sdata->u.mntr_flags = *flags; | |
90 | ieee80211_adjust_monitor_flags(sdata, 1); | |
91 | ||
92 | ieee80211_configure_filter(local); | |
93 | } else { | |
94 | /* | |
95 | * Because the interface is down, ieee80211_do_stop | |
96 | * and ieee80211_do_open take care of "everything" | |
97 | * mentioned in the comment above. | |
98 | */ | |
99 | sdata->u.mntr_flags = *flags; | |
100 | } | |
101 | } | |
f7917af9 | 102 | |
42613db7 JB |
103 | return 0; |
104 | } | |
105 | ||
f142c6b9 JB |
106 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
107 | struct wireless_dev *wdev) | |
108 | { | |
109 | return ieee80211_do_open(wdev, true); | |
110 | } | |
111 | ||
112 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
113 | struct wireless_dev *wdev) | |
114 | { | |
115 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
116 | } | |
117 | ||
b53be792 SW |
118 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
119 | struct net_device *dev, | |
120 | u16 noack_map) | |
121 | { | |
122 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
123 | ||
124 | sdata->noack_map = noack_map; | |
125 | return 0; | |
126 | } | |
127 | ||
e8cbb4cb | 128 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 129 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
130 | struct key_params *params) |
131 | { | |
26a58456 | 132 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 133 | struct sta_info *sta = NULL; |
db4d1169 | 134 | struct ieee80211_key *key; |
3b96766f | 135 | int err; |
e8cbb4cb | 136 | |
26a58456 | 137 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
138 | return -ENETDOWN; |
139 | ||
97359d12 | 140 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
141 | switch (params->cipher) { |
142 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 143 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
144 | case WLAN_CIPHER_SUITE_WEP104: |
145 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
146 | return -EINVAL; | |
3cfcf6ac | 147 | break; |
e8cbb4cb | 148 | default: |
97359d12 | 149 | break; |
e8cbb4cb JB |
150 | } |
151 | ||
97359d12 JB |
152 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
153 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
154 | if (IS_ERR(key)) |
155 | return PTR_ERR(key); | |
db4d1169 | 156 | |
e31b8213 JB |
157 | if (pairwise) |
158 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
159 | ||
ad0e2b5a | 160 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 161 | |
e8cbb4cb | 162 | if (mac_addr) { |
ff973af7 TP |
163 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
164 | sta = sta_info_get(sdata, mac_addr); | |
165 | else | |
166 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 167 | if (!sta) { |
32162a4d | 168 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
169 | err = -ENOENT; |
170 | goto out_unlock; | |
db4d1169 | 171 | } |
e8cbb4cb JB |
172 | } |
173 | ||
e548c49e JB |
174 | switch (sdata->vif.type) { |
175 | case NL80211_IFTYPE_STATION: | |
176 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
177 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
178 | break; | |
179 | case NL80211_IFTYPE_AP: | |
180 | case NL80211_IFTYPE_AP_VLAN: | |
181 | /* Keys without a station are used for TX only */ | |
182 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
183 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
184 | break; | |
185 | case NL80211_IFTYPE_ADHOC: | |
186 | /* no MFP (yet) */ | |
187 | break; | |
188 | case NL80211_IFTYPE_MESH_POINT: | |
189 | #ifdef CONFIG_MAC80211_MESH | |
190 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
191 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
192 | break; | |
193 | #endif | |
194 | case NL80211_IFTYPE_WDS: | |
195 | case NL80211_IFTYPE_MONITOR: | |
196 | case NL80211_IFTYPE_P2P_DEVICE: | |
197 | case NL80211_IFTYPE_UNSPECIFIED: | |
198 | case NUM_NL80211_IFTYPES: | |
199 | case NL80211_IFTYPE_P2P_CLIENT: | |
200 | case NL80211_IFTYPE_P2P_GO: | |
201 | /* shouldn't happen */ | |
202 | WARN_ON_ONCE(1); | |
203 | break; | |
204 | } | |
205 | ||
3ffc2a90 JB |
206 | err = ieee80211_key_link(key, sdata, sta); |
207 | if (err) | |
208 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 209 | |
3b96766f | 210 | out_unlock: |
ad0e2b5a | 211 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
212 | |
213 | return err; | |
e8cbb4cb JB |
214 | } |
215 | ||
216 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 217 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 218 | { |
5c0c3641 JB |
219 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
220 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 221 | struct sta_info *sta; |
5c0c3641 | 222 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
223 | int ret; |
224 | ||
5c0c3641 JB |
225 | mutex_lock(&local->sta_mtx); |
226 | mutex_lock(&local->key_mtx); | |
3b96766f | 227 | |
e8cbb4cb | 228 | if (mac_addr) { |
3b96766f JB |
229 | ret = -ENOENT; |
230 | ||
0e5ded5a | 231 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 232 | if (!sta) |
3b96766f | 233 | goto out_unlock; |
e8cbb4cb | 234 | |
5c0c3641 | 235 | if (pairwise) |
40b275b6 | 236 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 237 | else |
40b275b6 | 238 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 239 | } else |
40b275b6 | 240 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 241 | |
5c0c3641 | 242 | if (!key) { |
3b96766f JB |
243 | ret = -ENOENT; |
244 | goto out_unlock; | |
245 | } | |
e8cbb4cb | 246 | |
5c0c3641 | 247 | __ieee80211_key_free(key); |
e8cbb4cb | 248 | |
3b96766f JB |
249 | ret = 0; |
250 | out_unlock: | |
5c0c3641 JB |
251 | mutex_unlock(&local->key_mtx); |
252 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
253 | |
254 | return ret; | |
e8cbb4cb JB |
255 | } |
256 | ||
62da92fb | 257 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
258 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
259 | void *cookie, | |
62da92fb JB |
260 | void (*callback)(void *cookie, |
261 | struct key_params *params)) | |
262 | { | |
14db74bc | 263 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
264 | struct sta_info *sta = NULL; |
265 | u8 seq[6] = {0}; | |
266 | struct key_params params; | |
e31b8213 | 267 | struct ieee80211_key *key = NULL; |
aba83a0b | 268 | u64 pn64; |
62da92fb JB |
269 | u32 iv32; |
270 | u16 iv16; | |
271 | int err = -ENOENT; | |
272 | ||
14db74bc JB |
273 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
274 | ||
3b96766f JB |
275 | rcu_read_lock(); |
276 | ||
62da92fb | 277 | if (mac_addr) { |
0e5ded5a | 278 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
279 | if (!sta) |
280 | goto out; | |
281 | ||
e31b8213 | 282 | if (pairwise) |
a3836e02 | 283 | key = rcu_dereference(sta->ptk); |
e31b8213 | 284 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 285 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 286 | } else |
a3836e02 | 287 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
288 | |
289 | if (!key) | |
290 | goto out; | |
291 | ||
292 | memset(¶ms, 0, sizeof(params)); | |
293 | ||
97359d12 | 294 | params.cipher = key->conf.cipher; |
62da92fb | 295 | |
97359d12 JB |
296 | switch (key->conf.cipher) { |
297 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
298 | iv32 = key->u.tkip.tx.iv32; |
299 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 300 | |
24487981 JB |
301 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
302 | drv_get_tkip_seq(sdata->local, | |
303 | key->conf.hw_key_idx, | |
304 | &iv32, &iv16); | |
62da92fb JB |
305 | |
306 | seq[0] = iv16 & 0xff; | |
307 | seq[1] = (iv16 >> 8) & 0xff; | |
308 | seq[2] = iv32 & 0xff; | |
309 | seq[3] = (iv32 >> 8) & 0xff; | |
310 | seq[4] = (iv32 >> 16) & 0xff; | |
311 | seq[5] = (iv32 >> 24) & 0xff; | |
312 | params.seq = seq; | |
313 | params.seq_len = 6; | |
314 | break; | |
97359d12 | 315 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
316 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
317 | seq[0] = pn64; | |
318 | seq[1] = pn64 >> 8; | |
319 | seq[2] = pn64 >> 16; | |
320 | seq[3] = pn64 >> 24; | |
321 | seq[4] = pn64 >> 32; | |
322 | seq[5] = pn64 >> 40; | |
62da92fb JB |
323 | params.seq = seq; |
324 | params.seq_len = 6; | |
325 | break; | |
97359d12 | 326 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
327 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
328 | seq[0] = pn64; | |
329 | seq[1] = pn64 >> 8; | |
330 | seq[2] = pn64 >> 16; | |
331 | seq[3] = pn64 >> 24; | |
332 | seq[4] = pn64 >> 32; | |
333 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
334 | params.seq = seq; |
335 | params.seq_len = 6; | |
336 | break; | |
62da92fb JB |
337 | } |
338 | ||
339 | params.key = key->conf.key; | |
340 | params.key_len = key->conf.keylen; | |
341 | ||
342 | callback(cookie, ¶ms); | |
343 | err = 0; | |
344 | ||
345 | out: | |
3b96766f | 346 | rcu_read_unlock(); |
62da92fb JB |
347 | return err; |
348 | } | |
349 | ||
e8cbb4cb JB |
350 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
351 | struct net_device *dev, | |
dbd2fd65 JB |
352 | u8 key_idx, bool uni, |
353 | bool multi) | |
e8cbb4cb | 354 | { |
ad0e2b5a | 355 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 356 | |
f7e0104c | 357 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
358 | |
359 | return 0; | |
360 | } | |
361 | ||
3cfcf6ac JM |
362 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
363 | struct net_device *dev, | |
364 | u8 key_idx) | |
365 | { | |
66c52421 | 366 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 367 | |
3cfcf6ac JM |
368 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
369 | ||
3cfcf6ac JM |
370 | return 0; |
371 | } | |
372 | ||
3af6334c FF |
373 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
374 | { | |
55de908a JB |
375 | enum ieee80211_band band = ieee80211_get_sdata_band(sta->sdata); |
376 | ||
3af6334c FF |
377 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { |
378 | struct ieee80211_supported_band *sband; | |
55de908a | 379 | sband = sta->local->hw.wiphy->bands[band]; |
3af6334c FF |
380 | rate->legacy = sband->bitrates[idx].bitrate; |
381 | } else | |
382 | rate->mcs = idx; | |
383 | } | |
384 | ||
6b62bf32 TP |
385 | void sta_set_rate_info_tx(struct sta_info *sta, |
386 | const struct ieee80211_tx_rate *rate, | |
387 | struct rate_info *rinfo) | |
388 | { | |
389 | rinfo->flags = 0; | |
390 | if (rate->flags & IEEE80211_TX_RC_MCS) | |
391 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
392 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
393 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
394 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) | |
395 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
396 | rate_idx_to_bitrate(rinfo, sta, rate->idx); | |
397 | } | |
398 | ||
c5dd9c2b LCC |
399 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
400 | { | |
d0709a65 | 401 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 402 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 403 | struct timespec uptime; |
c5dd9c2b | 404 | |
f5ea9120 JB |
405 | sinfo->generation = sdata->local->sta_generation; |
406 | ||
c5dd9c2b LCC |
407 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
408 | STATION_INFO_RX_BYTES | | |
420e7fab | 409 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
410 | STATION_INFO_RX_PACKETS | |
411 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
412 | STATION_INFO_TX_RETRIES | |
413 | STATION_INFO_TX_FAILED | | |
5a5c731a | 414 | STATION_INFO_TX_BITRATE | |
3af6334c | 415 | STATION_INFO_RX_BITRATE | |
f4263c98 | 416 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 417 | STATION_INFO_BSS_PARAM | |
7a724767 | 418 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
419 | STATION_INFO_STA_FLAGS | |
420 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
421 | |
422 | do_posix_clock_monotonic_gettime(&uptime); | |
423 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
424 | |
425 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
426 | sinfo->rx_bytes = sta->rx_bytes; | |
427 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
428 | sinfo->rx_packets = sta->rx_packets; |
429 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
430 | sinfo->tx_retries = sta->tx_retry_count; |
431 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 432 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 433 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 434 | |
19deffbe JL |
435 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
436 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 437 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
438 | if (!local->ops->get_rssi || |
439 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
440 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 441 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
442 | } |
443 | ||
6b62bf32 | 444 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
3af6334c FF |
445 | |
446 | sinfo->rxrate.flags = 0; | |
447 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
448 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
449 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
450 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
451 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
452 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
453 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 454 | |
902acc78 | 455 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 456 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
457 | sinfo->filled |= STATION_INFO_LLID | |
458 | STATION_INFO_PLID | | |
459 | STATION_INFO_PLINK_STATE; | |
460 | ||
461 | sinfo->llid = le16_to_cpu(sta->llid); | |
462 | sinfo->plid = le16_to_cpu(sta->plid); | |
463 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
464 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
465 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
466 | sinfo->t_offset = sta->t_offset; | |
467 | } | |
c5dd9c2b | 468 | #endif |
902acc78 | 469 | } |
f4263c98 PS |
470 | |
471 | sinfo->bss_param.flags = 0; | |
472 | if (sdata->vif.bss_conf.use_cts_prot) | |
473 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
474 | if (sdata->vif.bss_conf.use_short_preamble) | |
475 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
476 | if (sdata->vif.bss_conf.use_short_slot) | |
477 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
478 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
479 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
480 | |
481 | sinfo->sta_flags.set = 0; | |
482 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
483 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
484 | BIT(NL80211_STA_FLAG_WME) | | |
485 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 HS |
486 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
487 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a724767 HS |
488 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
489 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
490 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
491 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
492 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
493 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
494 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
495 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
496 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
497 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
e4121562 HS |
498 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
499 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
500 | } |
501 | ||
b1ab7925 BG |
502 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
503 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
504 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
505 | "tx_packets", "tx_bytes", "tx_fragments", | |
506 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
507 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
508 | "channel", "noise", "ch_time", "ch_time_busy", | |
509 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
510 | }; |
511 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
512 | ||
513 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
514 | struct net_device *dev, | |
515 | int sset) | |
516 | { | |
e352114f BG |
517 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
518 | int rv = 0; | |
519 | ||
b1ab7925 | 520 | if (sset == ETH_SS_STATS) |
e352114f BG |
521 | rv += STA_STATS_LEN; |
522 | ||
523 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 524 | |
e352114f BG |
525 | if (rv == 0) |
526 | return -EOPNOTSUPP; | |
527 | return rv; | |
b1ab7925 BG |
528 | } |
529 | ||
530 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
531 | struct net_device *dev, | |
532 | struct ethtool_stats *stats, | |
533 | u64 *data) | |
534 | { | |
535 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
536 | struct ieee80211_chanctx_conf *chanctx_conf; |
537 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
538 | struct sta_info *sta; |
539 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
540 | struct station_info sinfo; |
541 | struct survey_info survey; | |
542 | int i, q; | |
543 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
544 | |
545 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
546 | ||
547 | #define ADD_STA_STATS(sta) \ | |
548 | do { \ | |
549 | data[i++] += sta->rx_packets; \ | |
550 | data[i++] += sta->rx_bytes; \ | |
551 | data[i++] += sta->wep_weak_iv_count; \ | |
552 | data[i++] += sta->num_duplicates; \ | |
553 | data[i++] += sta->rx_fragments; \ | |
554 | data[i++] += sta->rx_dropped; \ | |
555 | \ | |
556 | data[i++] += sta->tx_packets; \ | |
557 | data[i++] += sta->tx_bytes; \ | |
558 | data[i++] += sta->tx_fragments; \ | |
559 | data[i++] += sta->tx_filtered_count; \ | |
560 | data[i++] += sta->tx_retry_failed; \ | |
561 | data[i++] += sta->tx_retry_count; \ | |
562 | data[i++] += sta->beacon_loss_count; \ | |
563 | } while (0) | |
564 | ||
565 | /* For Managed stations, find the single station based on BSSID | |
566 | * and use that. For interface types, iterate through all available | |
567 | * stations and add stats for any station that is assigned to this | |
568 | * network device. | |
569 | */ | |
570 | ||
66572cfc | 571 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
572 | |
573 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
574 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
575 | |
576 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
577 | goto do_survey; | |
578 | ||
579 | i = 0; | |
580 | ADD_STA_STATS(sta); | |
581 | ||
582 | data[i++] = sta->sta_state; | |
583 | ||
584 | sinfo.filled = 0; | |
585 | sta_set_sinfo(sta, &sinfo); | |
586 | ||
5204267d | 587 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
588 | data[i] = 100000 * |
589 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
590 | i++; | |
5204267d | 591 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
592 | data[i] = 100000 * |
593 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
594 | i++; | |
595 | ||
5204267d | 596 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
597 | data[i] = (u8)sinfo.signal_avg; |
598 | i++; | |
b1ab7925 | 599 | } else { |
66572cfc | 600 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
601 | /* Make sure this station belongs to the proper dev */ |
602 | if (sta->sdata->dev != dev) | |
603 | continue; | |
604 | ||
605 | i = 0; | |
606 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
607 | } |
608 | } | |
609 | ||
3073a7c2 BG |
610 | do_survey: |
611 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
612 | /* Get survey stats for current channel */ | |
55de908a | 613 | survey.filled = 0; |
3073a7c2 | 614 | |
55de908a JB |
615 | rcu_read_lock(); |
616 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
617 | if (chanctx_conf) | |
618 | channel = chanctx_conf->channel; | |
619 | else | |
620 | channel = NULL; | |
621 | rcu_read_unlock(); | |
622 | ||
623 | if (channel) { | |
624 | q = 0; | |
625 | do { | |
626 | survey.filled = 0; | |
627 | if (drv_get_survey(local, q, &survey) != 0) { | |
628 | survey.filled = 0; | |
629 | break; | |
630 | } | |
631 | q++; | |
632 | } while (channel != survey.channel); | |
3073a7c2 BG |
633 | } |
634 | ||
635 | if (survey.filled) | |
636 | data[i++] = survey.channel->center_freq; | |
637 | else | |
638 | data[i++] = 0; | |
639 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
640 | data[i++] = (u8)survey.noise; | |
641 | else | |
642 | data[i++] = -1LL; | |
643 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
644 | data[i++] = survey.channel_time; | |
645 | else | |
646 | data[i++] = -1LL; | |
647 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
648 | data[i++] = survey.channel_time_busy; | |
649 | else | |
650 | data[i++] = -1LL; | |
651 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
652 | data[i++] = survey.channel_time_ext_busy; | |
653 | else | |
654 | data[i++] = -1LL; | |
655 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
656 | data[i++] = survey.channel_time_rx; | |
657 | else | |
658 | data[i++] = -1LL; | |
659 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
660 | data[i++] = survey.channel_time_tx; | |
661 | else | |
662 | data[i++] = -1LL; | |
663 | ||
66572cfc | 664 | mutex_unlock(&local->sta_mtx); |
e352114f | 665 | |
3073a7c2 BG |
666 | if (WARN_ON(i != STA_STATS_LEN)) |
667 | return; | |
668 | ||
e352114f | 669 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
670 | } |
671 | ||
672 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
673 | struct net_device *dev, | |
674 | u32 sset, u8 *data) | |
675 | { | |
e352114f BG |
676 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
677 | int sz_sta_stats = 0; | |
678 | ||
b1ab7925 | 679 | if (sset == ETH_SS_STATS) { |
e352114f | 680 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
681 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
682 | } | |
e352114f | 683 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 684 | } |
c5dd9c2b LCC |
685 | |
686 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
687 | int idx, u8 *mac, struct station_info *sinfo) | |
688 | { | |
3b53fde8 | 689 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 690 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 691 | struct sta_info *sta; |
d0709a65 JB |
692 | int ret = -ENOENT; |
693 | ||
66572cfc | 694 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 695 | |
3b53fde8 | 696 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
697 | if (sta) { |
698 | ret = 0; | |
17741cdc | 699 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
700 | sta_set_sinfo(sta, sinfo); |
701 | } | |
c5dd9c2b | 702 | |
66572cfc | 703 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 704 | |
d0709a65 | 705 | return ret; |
c5dd9c2b LCC |
706 | } |
707 | ||
1289723e HS |
708 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
709 | int idx, struct survey_info *survey) | |
710 | { | |
711 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
712 | ||
1289723e HS |
713 | return drv_get_survey(local, idx, survey); |
714 | } | |
715 | ||
7bbdd2d9 | 716 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 717 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 718 | { |
abe60632 | 719 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 720 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 721 | struct sta_info *sta; |
d0709a65 | 722 | int ret = -ENOENT; |
7bbdd2d9 | 723 | |
66572cfc | 724 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 725 | |
0e5ded5a | 726 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
727 | if (sta) { |
728 | ret = 0; | |
729 | sta_set_sinfo(sta, sinfo); | |
730 | } | |
731 | ||
66572cfc | 732 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
733 | |
734 | return ret; | |
7bbdd2d9 JB |
735 | } |
736 | ||
55de908a JB |
737 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
738 | struct ieee80211_channel *chan, | |
739 | enum nl80211_channel_type channel_type) | |
3d9e6e12 JB |
740 | { |
741 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
742 | struct ieee80211_sub_if_data *sdata; |
743 | int ret = 0; | |
3d9e6e12 | 744 | |
55de908a JB |
745 | if (local->monitor_channel == chan && |
746 | local->monitor_channel_type == channel_type) | |
747 | return 0; | |
3d9e6e12 | 748 | |
55de908a JB |
749 | mutex_lock(&local->iflist_mtx); |
750 | if (local->use_chanctx) { | |
751 | sdata = rcu_dereference_protected( | |
752 | local->monitor_sdata, | |
753 | lockdep_is_held(&local->iflist_mtx)); | |
754 | if (sdata) { | |
755 | ieee80211_vif_release_channel(sdata); | |
756 | ret = ieee80211_vif_use_channel( | |
757 | sdata, chan, channel_type, | |
758 | IEEE80211_CHANCTX_EXCLUSIVE); | |
759 | } | |
760 | } else if (local->open_count == local->monitors) { | |
761 | local->_oper_channel = chan; | |
762 | local->_oper_channel_type = channel_type; | |
763 | ieee80211_hw_config(local, 0); | |
764 | } | |
3d9e6e12 | 765 | |
55de908a JB |
766 | if (ret == 0) { |
767 | local->monitor_channel = chan; | |
768 | local->monitor_channel_type = channel_type; | |
769 | } | |
770 | mutex_unlock(&local->iflist_mtx); | |
3d9e6e12 | 771 | |
55de908a | 772 | return ret; |
e8c9bd5b JB |
773 | } |
774 | ||
02945821 | 775 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 776 | const u8 *resp, size_t resp_len) |
02945821 | 777 | { |
aa7a0080 | 778 | struct probe_resp *new, *old; |
02945821 AN |
779 | |
780 | if (!resp || !resp_len) | |
aba4e6ff | 781 | return 1; |
02945821 | 782 | |
f724828b | 783 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 | 784 | |
aa7a0080 | 785 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
786 | if (!new) |
787 | return -ENOMEM; | |
788 | ||
aa7a0080 ES |
789 | new->len = resp_len; |
790 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
791 | |
792 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
793 | if (old) |
794 | kfree_rcu(old, rcu_head); | |
02945821 AN |
795 | |
796 | return 0; | |
797 | } | |
798 | ||
8860020e JB |
799 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
800 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
801 | { |
802 | struct beacon_data *new, *old; | |
803 | int new_head_len, new_tail_len; | |
8860020e JB |
804 | int size, err; |
805 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 806 | |
40b275b6 | 807 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 808 | |
5dfdaf58 JB |
809 | /* Need to have a beacon head if we don't have one yet */ |
810 | if (!params->head && !old) | |
8860020e | 811 | return -EINVAL; |
5dfdaf58 JB |
812 | |
813 | /* new or old head? */ | |
814 | if (params->head) | |
815 | new_head_len = params->head_len; | |
816 | else | |
817 | new_head_len = old->head_len; | |
818 | ||
819 | /* new or old tail? */ | |
820 | if (params->tail || !old) | |
821 | /* params->tail_len will be zero for !params->tail */ | |
822 | new_tail_len = params->tail_len; | |
823 | else | |
824 | new_tail_len = old->tail_len; | |
825 | ||
826 | size = sizeof(*new) + new_head_len + new_tail_len; | |
827 | ||
828 | new = kzalloc(size, GFP_KERNEL); | |
829 | if (!new) | |
830 | return -ENOMEM; | |
831 | ||
832 | /* start filling the new info now */ | |
833 | ||
5dfdaf58 JB |
834 | /* |
835 | * pointers go into the block we allocated, | |
836 | * memory is | beacon_data | head | tail | | |
837 | */ | |
838 | new->head = ((u8 *) new) + sizeof(*new); | |
839 | new->tail = new->head + new_head_len; | |
840 | new->head_len = new_head_len; | |
841 | new->tail_len = new_tail_len; | |
842 | ||
843 | /* copy in head */ | |
844 | if (params->head) | |
845 | memcpy(new->head, params->head, new_head_len); | |
846 | else | |
847 | memcpy(new->head, old->head, new_head_len); | |
848 | ||
849 | /* copy in optional tail */ | |
850 | if (params->tail) | |
851 | memcpy(new->tail, params->tail, new_tail_len); | |
852 | else | |
853 | if (old) | |
854 | memcpy(new->tail, old->tail, new_tail_len); | |
855 | ||
02945821 AN |
856 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
857 | params->probe_resp_len); | |
8860020e JB |
858 | if (err < 0) |
859 | return err; | |
860 | if (err == 0) | |
02945821 AN |
861 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
862 | ||
8860020e JB |
863 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
864 | ||
865 | if (old) | |
866 | kfree_rcu(old, rcu_head); | |
7827493b | 867 | |
8860020e | 868 | return changed; |
5dfdaf58 JB |
869 | } |
870 | ||
8860020e JB |
871 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
872 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 873 | { |
8860020e | 874 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 875 | struct beacon_data *old; |
665c93a9 | 876 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
877 | u32 changed = BSS_CHANGED_BEACON_INT | |
878 | BSS_CHANGED_BEACON_ENABLED | | |
879 | BSS_CHANGED_BEACON | | |
880 | BSS_CHANGED_SSID; | |
881 | int err; | |
14db74bc | 882 | |
40b275b6 | 883 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
884 | if (old) |
885 | return -EALREADY; | |
886 | ||
04ecd257 JB |
887 | /* TODO: make hostapd tell us what it wants */ |
888 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
889 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
890 | ||
55de908a JB |
891 | err = ieee80211_vif_use_channel(sdata, params->channel, |
892 | params->channel_type, | |
893 | IEEE80211_CHANCTX_SHARED); | |
aa430da4 JB |
894 | if (err) |
895 | return err; | |
896 | ||
665c93a9 JB |
897 | /* |
898 | * Apply control port protocol, this allows us to | |
899 | * not encrypt dynamic WEP control frames. | |
900 | */ | |
901 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
902 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
903 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
904 | vlan->control_port_protocol = | |
905 | params->crypto.control_port_ethertype; | |
906 | vlan->control_port_no_encrypt = | |
907 | params->crypto.control_port_no_encrypt; | |
908 | } | |
909 | ||
8860020e JB |
910 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
911 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
912 | ||
913 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
914 | if (params->ssid_len) | |
915 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
916 | params->ssid_len); | |
917 | sdata->vif.bss_conf.hidden_ssid = | |
918 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
919 | ||
920 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); | |
921 | if (err < 0) | |
922 | return err; | |
923 | changed |= err; | |
924 | ||
925 | ieee80211_bss_info_change_notify(sdata, changed); | |
926 | ||
3edaf3e6 JB |
927 | netif_carrier_on(dev); |
928 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
929 | netif_carrier_on(vlan->dev); | |
930 | ||
665c93a9 | 931 | return 0; |
5dfdaf58 JB |
932 | } |
933 | ||
8860020e JB |
934 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
935 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 936 | { |
14db74bc | 937 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 938 | struct beacon_data *old; |
8860020e | 939 | int err; |
5dfdaf58 | 940 | |
14db74bc JB |
941 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
942 | ||
40b275b6 | 943 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
944 | if (!old) |
945 | return -ENOENT; | |
946 | ||
8860020e JB |
947 | err = ieee80211_assign_beacon(sdata, params); |
948 | if (err < 0) | |
949 | return err; | |
950 | ieee80211_bss_info_change_notify(sdata, err); | |
951 | return 0; | |
5dfdaf58 JB |
952 | } |
953 | ||
8860020e | 954 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 955 | { |
3edaf3e6 | 956 | struct ieee80211_sub_if_data *sdata, *vlan; |
5dfdaf58 JB |
957 | struct beacon_data *old; |
958 | ||
14db74bc JB |
959 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
960 | ||
40b275b6 | 961 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
962 | if (!old) |
963 | return -ENOENT; | |
964 | ||
3edaf3e6 JB |
965 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
966 | netif_carrier_off(vlan->dev); | |
967 | netif_carrier_off(dev); | |
968 | ||
a9b3cd7f | 969 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
8860020e JB |
970 | |
971 | kfree_rcu(old, rcu_head); | |
5dfdaf58 | 972 | |
99102bd3 | 973 | sta_info_flush(sdata->local, sdata); |
2d0ddec5 | 974 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 975 | |
55de908a JB |
976 | ieee80211_vif_release_channel(sdata); |
977 | ||
2d0ddec5 | 978 | return 0; |
5dfdaf58 JB |
979 | } |
980 | ||
4fd6931e JB |
981 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
982 | struct iapp_layer2_update { | |
983 | u8 da[ETH_ALEN]; /* broadcast */ | |
984 | u8 sa[ETH_ALEN]; /* STA addr */ | |
985 | __be16 len; /* 6 */ | |
986 | u8 dsap; /* 0 */ | |
987 | u8 ssap; /* 0 */ | |
988 | u8 control; | |
989 | u8 xid_info[3]; | |
bc10502d | 990 | } __packed; |
4fd6931e JB |
991 | |
992 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
993 | { | |
994 | struct iapp_layer2_update *msg; | |
995 | struct sk_buff *skb; | |
996 | ||
997 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
998 | * bridge devices */ | |
999 | ||
1000 | skb = dev_alloc_skb(sizeof(*msg)); | |
1001 | if (!skb) | |
1002 | return; | |
1003 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1004 | ||
1005 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1006 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1007 | ||
e83e6541 | 1008 | eth_broadcast_addr(msg->da); |
17741cdc | 1009 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1010 | msg->len = htons(6); |
1011 | msg->dsap = 0; | |
1012 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1013 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1014 | * F=0 (no poll command; unsolicited frame) */ | |
1015 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1016 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1017 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1018 | ||
d0709a65 JB |
1019 | skb->dev = sta->sdata->dev; |
1020 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1021 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1022 | netif_rx_ni(skb); |
4fd6931e JB |
1023 | } |
1024 | ||
d9a7ddb0 JB |
1025 | static int sta_apply_parameters(struct ieee80211_local *local, |
1026 | struct sta_info *sta, | |
1027 | struct station_parameters *params) | |
4fd6931e | 1028 | { |
d9a7ddb0 | 1029 | int ret = 0; |
4fd6931e JB |
1030 | u32 rates; |
1031 | int i, j; | |
8318d78a | 1032 | struct ieee80211_supported_band *sband; |
d0709a65 | 1033 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1034 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1035 | u32 mask, set; |
4fd6931e | 1036 | |
55de908a | 1037 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1038 | |
eccb8e8f JB |
1039 | mask = params->sta_flags_mask; |
1040 | set = params->sta_flags_set; | |
73651ee6 | 1041 | |
d9a7ddb0 JB |
1042 | /* |
1043 | * In mesh mode, we can clear AUTHENTICATED flag but must | |
1044 | * also make ASSOCIATED follow appropriately for the driver | |
1045 | * API. See also below, after AUTHORIZED changes. | |
1046 | */ | |
1047 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1048 | /* cfg80211 should not allow this in non-mesh modes */ | |
1049 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1050 | return -EINVAL; | |
1051 | ||
1052 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1053 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1054 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1055 | if (ret) |
1056 | return ret; | |
83d5cc01 | 1057 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1058 | if (ret) |
1059 | return ret; | |
1060 | } | |
1061 | } | |
1062 | ||
eccb8e8f | 1063 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 1064 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
83d5cc01 | 1065 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); |
543d1b92 | 1066 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
83d5cc01 | 1067 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1068 | if (ret) |
1069 | return ret; | |
1070 | } | |
1071 | ||
1072 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1073 | /* cfg80211 should not allow this in non-mesh modes */ | |
1074 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1075 | return -EINVAL; | |
1076 | ||
1077 | if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1078 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1079 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1080 | if (ret) |
1081 | return ret; | |
83d5cc01 | 1082 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); |
d9a7ddb0 JB |
1083 | if (ret) |
1084 | return ret; | |
1085 | } | |
eccb8e8f | 1086 | } |
4fd6931e | 1087 | |
d9a7ddb0 | 1088 | |
eccb8e8f | 1089 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1090 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1091 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1092 | else | |
1093 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1094 | } |
4fd6931e | 1095 | |
eccb8e8f | 1096 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1097 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1098 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1099 | sta->sta.wme = true; |
c2c98fde JB |
1100 | } else { |
1101 | clear_sta_flag(sta, WLAN_STA_WME); | |
1102 | sta->sta.wme = false; | |
39df600a | 1103 | } |
eccb8e8f | 1104 | } |
5394af4d | 1105 | |
eccb8e8f | 1106 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1107 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1108 | set_sta_flag(sta, WLAN_STA_MFP); |
1109 | else | |
1110 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1111 | } |
b39c48fa | 1112 | |
07ba55d7 | 1113 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1114 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1115 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1116 | else | |
1117 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1118 | } |
4fd6931e | 1119 | |
3b9ce80c JB |
1120 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1121 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1122 | sta->sta.max_sp = params->max_sp; | |
1123 | } | |
9533b4ac | 1124 | |
51b50fbe JB |
1125 | /* |
1126 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1127 | * only when creating a new station entry | |
1128 | */ | |
1129 | if (params->aid) | |
1130 | sta->sta.aid = params->aid; | |
1131 | ||
73651ee6 JB |
1132 | /* |
1133 | * FIXME: updating the following information is racy when this | |
1134 | * function is called from ieee80211_change_station(). | |
1135 | * However, all this information should be static so | |
1136 | * maybe we should just reject attemps to change it. | |
1137 | */ | |
1138 | ||
4fd6931e JB |
1139 | if (params->listen_interval >= 0) |
1140 | sta->listen_interval = params->listen_interval; | |
1141 | ||
1142 | if (params->supported_rates) { | |
1143 | rates = 0; | |
8318d78a | 1144 | |
4fd6931e JB |
1145 | for (i = 0; i < params->supported_rates_len; i++) { |
1146 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1147 | for (j = 0; j < sband->n_bitrates; j++) { |
1148 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1149 | rates |= BIT(j); |
1150 | } | |
1151 | } | |
55de908a | 1152 | sta->sta.supp_rates[band] = rates; |
4fd6931e | 1153 | } |
c5dd9c2b | 1154 | |
d9fe60de | 1155 | if (params->ht_capa) |
ef96a842 | 1156 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
ae5eb026 | 1157 | params->ht_capa, |
d9fe60de | 1158 | &sta->sta.ht_cap); |
36aedc90 | 1159 | |
9c3990aa | 1160 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1161 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
1162 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
1163 | switch (params->plink_state) { | |
57cf8043 JC |
1164 | case NL80211_PLINK_LISTEN: |
1165 | case NL80211_PLINK_ESTAB: | |
1166 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
1167 | sta->plink_state = params->plink_state; |
1168 | break; | |
1169 | default: | |
1170 | /* nothing */ | |
1171 | break; | |
1172 | } | |
1173 | else | |
1174 | switch (params->plink_action) { | |
1175 | case PLINK_ACTION_OPEN: | |
1176 | mesh_plink_open(sta); | |
1177 | break; | |
1178 | case PLINK_ACTION_BLOCK: | |
1179 | mesh_plink_block(sta); | |
1180 | break; | |
1181 | } | |
4daf50f2 | 1182 | #endif |
902acc78 | 1183 | } |
d9a7ddb0 JB |
1184 | |
1185 | return 0; | |
4fd6931e JB |
1186 | } |
1187 | ||
1188 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1189 | u8 *mac, struct station_parameters *params) | |
1190 | { | |
14db74bc | 1191 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1192 | struct sta_info *sta; |
1193 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1194 | int err; |
b8d476c8 | 1195 | int layer2_update; |
4fd6931e | 1196 | |
4fd6931e JB |
1197 | if (params->vlan) { |
1198 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1199 | ||
05c914fe JB |
1200 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1201 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1202 | return -EINVAL; |
1203 | } else | |
1204 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1205 | ||
b203ca39 | 1206 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1207 | return -EINVAL; |
1208 | ||
1209 | if (is_multicast_ether_addr(mac)) | |
1210 | return -EINVAL; | |
1211 | ||
1212 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1213 | if (!sta) |
1214 | return -ENOMEM; | |
4fd6931e | 1215 | |
83d5cc01 JB |
1216 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1217 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 1218 | |
d9a7ddb0 JB |
1219 | err = sta_apply_parameters(local, sta, params); |
1220 | if (err) { | |
1221 | sta_info_free(local, sta); | |
1222 | return err; | |
1223 | } | |
4fd6931e | 1224 | |
d64cf63e AN |
1225 | /* |
1226 | * for TDLS, rate control should be initialized only when supported | |
1227 | * rates are known. | |
1228 | */ | |
1229 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1230 | rate_control_rate_init(sta); | |
4fd6931e | 1231 | |
b8d476c8 JM |
1232 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1233 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1234 | ||
34e89507 | 1235 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1236 | if (err) { |
73651ee6 JB |
1237 | rcu_read_unlock(); |
1238 | return err; | |
1239 | } | |
1240 | ||
b8d476c8 | 1241 | if (layer2_update) |
73651ee6 JB |
1242 | ieee80211_send_layer2_update(sta); |
1243 | ||
1244 | rcu_read_unlock(); | |
1245 | ||
4fd6931e JB |
1246 | return 0; |
1247 | } | |
1248 | ||
1249 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1250 | u8 *mac) | |
1251 | { | |
14db74bc JB |
1252 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1253 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 1254 | |
14db74bc JB |
1255 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1256 | ||
34e89507 JB |
1257 | if (mac) |
1258 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1259 | |
34e89507 | 1260 | sta_info_flush(local, sdata); |
4fd6931e JB |
1261 | return 0; |
1262 | } | |
1263 | ||
1264 | static int ieee80211_change_station(struct wiphy *wiphy, | |
1265 | struct net_device *dev, | |
1266 | u8 *mac, | |
1267 | struct station_parameters *params) | |
1268 | { | |
abe60632 | 1269 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1270 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1271 | struct sta_info *sta; |
1272 | struct ieee80211_sub_if_data *vlansdata; | |
35b88623 | 1273 | int err; |
4fd6931e | 1274 | |
87be1e1e | 1275 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1276 | |
0e5ded5a | 1277 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1278 | if (!sta) { |
87be1e1e | 1279 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1280 | return -ENOENT; |
98dd6a57 | 1281 | } |
4fd6931e | 1282 | |
bdd90d5e JB |
1283 | /* in station mode, supported rates are only valid with TDLS */ |
1284 | if (sdata->vif.type == NL80211_IFTYPE_STATION && | |
1285 | params->supported_rates && | |
1286 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
87be1e1e | 1287 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1288 | return -EINVAL; |
1289 | } | |
1290 | ||
d0709a65 | 1291 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1292 | bool prev_4addr = false; |
1293 | bool new_4addr = false; | |
1294 | ||
4fd6931e JB |
1295 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1296 | ||
05c914fe JB |
1297 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1298 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1299 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1300 | return -EINVAL; |
98dd6a57 | 1301 | } |
4fd6931e | 1302 | |
9bc383de | 1303 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1304 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1305 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1306 | return -EBUSY; |
3305443c | 1307 | } |
f14543ee | 1308 | |
cf778b00 | 1309 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1310 | new_4addr = true; |
1311 | } | |
1312 | ||
1313 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1314 | sta->sdata->u.vlan.sta) { | |
1315 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1316 | prev_4addr = true; | |
f14543ee FF |
1317 | } |
1318 | ||
14db74bc | 1319 | sta->sdata = vlansdata; |
7e3ed02c FF |
1320 | |
1321 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1322 | prev_4addr != new_4addr) { | |
1323 | if (new_4addr) | |
1324 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1325 | else | |
1326 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1327 | } | |
1328 | ||
4fd6931e JB |
1329 | ieee80211_send_layer2_update(sta); |
1330 | } | |
1331 | ||
35b88623 EP |
1332 | err = sta_apply_parameters(local, sta, params); |
1333 | if (err) { | |
1334 | mutex_unlock(&local->sta_mtx); | |
1335 | return err; | |
1336 | } | |
4fd6931e | 1337 | |
d64cf63e AN |
1338 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1339 | rate_control_rate_init(sta); | |
1340 | ||
87be1e1e | 1341 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1342 | |
808118cb | 1343 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1344 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1345 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1346 | ieee80211_recalc_ps_vif(sdata); |
1347 | } | |
4fd6931e JB |
1348 | return 0; |
1349 | } | |
1350 | ||
c5dd9c2b LCC |
1351 | #ifdef CONFIG_MAC80211_MESH |
1352 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1353 | u8 *dst, u8 *next_hop) | |
1354 | { | |
14db74bc | 1355 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1356 | struct mesh_path *mpath; |
1357 | struct sta_info *sta; | |
1358 | int err; | |
1359 | ||
14db74bc JB |
1360 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1361 | ||
d0709a65 | 1362 | rcu_read_lock(); |
abe60632 | 1363 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1364 | if (!sta) { |
1365 | rcu_read_unlock(); | |
c5dd9c2b | 1366 | return -ENOENT; |
d0709a65 | 1367 | } |
c5dd9c2b | 1368 | |
f698d856 | 1369 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
1370 | if (err) { |
1371 | rcu_read_unlock(); | |
c5dd9c2b | 1372 | return err; |
d0709a65 | 1373 | } |
c5dd9c2b | 1374 | |
f698d856 | 1375 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1376 | if (!mpath) { |
1377 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1378 | return -ENXIO; |
1379 | } | |
1380 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1381 | |
c5dd9c2b LCC |
1382 | rcu_read_unlock(); |
1383 | return 0; | |
1384 | } | |
1385 | ||
1386 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1387 | u8 *dst) | |
1388 | { | |
f698d856 JBG |
1389 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1390 | ||
c5dd9c2b | 1391 | if (dst) |
f698d856 | 1392 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 1393 | |
ece1a2e7 | 1394 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1395 | return 0; |
1396 | } | |
1397 | ||
1398 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1399 | struct net_device *dev, | |
1400 | u8 *dst, u8 *next_hop) | |
1401 | { | |
14db74bc | 1402 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1403 | struct mesh_path *mpath; |
1404 | struct sta_info *sta; | |
1405 | ||
14db74bc JB |
1406 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1407 | ||
d0709a65 JB |
1408 | rcu_read_lock(); |
1409 | ||
abe60632 | 1410 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1411 | if (!sta) { |
1412 | rcu_read_unlock(); | |
c5dd9c2b | 1413 | return -ENOENT; |
d0709a65 | 1414 | } |
c5dd9c2b | 1415 | |
f698d856 | 1416 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1417 | if (!mpath) { |
1418 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1419 | return -ENOENT; |
1420 | } | |
1421 | ||
1422 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1423 | |
c5dd9c2b LCC |
1424 | rcu_read_unlock(); |
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1429 | struct mpath_info *pinfo) | |
1430 | { | |
a3836e02 JB |
1431 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1432 | ||
1433 | if (next_hop_sta) | |
1434 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1435 | else |
1436 | memset(next_hop, 0, ETH_ALEN); | |
1437 | ||
7ce8c7a3 LAYS |
1438 | memset(pinfo, 0, sizeof(*pinfo)); |
1439 | ||
f5ea9120 JB |
1440 | pinfo->generation = mesh_paths_generation; |
1441 | ||
c5dd9c2b | 1442 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1443 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1444 | MPATH_INFO_METRIC | |
1445 | MPATH_INFO_EXPTIME | | |
1446 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1447 | MPATH_INFO_DISCOVERY_RETRIES | | |
1448 | MPATH_INFO_FLAGS; | |
1449 | ||
1450 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1451 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1452 | pinfo->metric = mpath->metric; |
1453 | if (time_before(jiffies, mpath->exp_time)) | |
1454 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1455 | pinfo->discovery_timeout = | |
1456 | jiffies_to_msecs(mpath->discovery_timeout); | |
1457 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1458 | if (mpath->flags & MESH_PATH_ACTIVE) |
1459 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1460 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1461 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1462 | if (mpath->flags & MESH_PATH_SN_VALID) |
1463 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1464 | if (mpath->flags & MESH_PATH_FIXED) |
1465 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1466 | if (mpath->flags & MESH_PATH_RESOLVED) |
1467 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1468 | } |
1469 | ||
1470 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1471 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1472 | ||
1473 | { | |
14db74bc | 1474 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1475 | struct mesh_path *mpath; |
1476 | ||
14db74bc JB |
1477 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1478 | ||
c5dd9c2b | 1479 | rcu_read_lock(); |
f698d856 | 1480 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1481 | if (!mpath) { |
1482 | rcu_read_unlock(); | |
1483 | return -ENOENT; | |
1484 | } | |
1485 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1486 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1487 | rcu_read_unlock(); | |
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1492 | int idx, u8 *dst, u8 *next_hop, | |
1493 | struct mpath_info *pinfo) | |
1494 | { | |
14db74bc | 1495 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1496 | struct mesh_path *mpath; |
1497 | ||
14db74bc JB |
1498 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1499 | ||
c5dd9c2b | 1500 | rcu_read_lock(); |
f698d856 | 1501 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1502 | if (!mpath) { |
1503 | rcu_read_unlock(); | |
1504 | return -ENOENT; | |
1505 | } | |
1506 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1507 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1508 | rcu_read_unlock(); | |
1509 | return 0; | |
1510 | } | |
93da9cc1 | 1511 | |
24bdd9f4 | 1512 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1513 | struct net_device *dev, |
1514 | struct mesh_config *conf) | |
1515 | { | |
1516 | struct ieee80211_sub_if_data *sdata; | |
1517 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1518 | ||
93da9cc1 | 1519 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1520 | return 0; | |
1521 | } | |
1522 | ||
1523 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1524 | { | |
1525 | return (mask >> (parm-1)) & 0x1; | |
1526 | } | |
1527 | ||
c80d545d JC |
1528 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1529 | const struct mesh_setup *setup) | |
1530 | { | |
1531 | u8 *new_ie; | |
1532 | const u8 *old_ie; | |
4bb62344 CYY |
1533 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1534 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1535 | |
581a8b0f | 1536 | /* allocate information elements */ |
c80d545d | 1537 | new_ie = NULL; |
581a8b0f | 1538 | old_ie = ifmsh->ie; |
c80d545d | 1539 | |
581a8b0f JC |
1540 | if (setup->ie_len) { |
1541 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1542 | GFP_KERNEL); |
1543 | if (!new_ie) | |
1544 | return -ENOMEM; | |
1545 | } | |
581a8b0f JC |
1546 | ifmsh->ie_len = setup->ie_len; |
1547 | ifmsh->ie = new_ie; | |
1548 | kfree(old_ie); | |
c80d545d JC |
1549 | |
1550 | /* now copy the rest of the setup parameters */ | |
1551 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1552 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1553 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1554 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1555 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1556 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1557 | if (setup->is_authenticated) | |
1558 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1559 | if (setup->is_secure) | |
1560 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1561 | |
4bb62344 CYY |
1562 | /* mcast rate setting in Mesh Node */ |
1563 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1564 | sizeof(setup->mcast_rate)); | |
1565 | ||
c80d545d JC |
1566 | return 0; |
1567 | } | |
1568 | ||
24bdd9f4 | 1569 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1570 | struct net_device *dev, u32 mask, |
1571 | const struct mesh_config *nconf) | |
93da9cc1 | 1572 | { |
1573 | struct mesh_config *conf; | |
1574 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1575 | struct ieee80211_if_mesh *ifmsh; |
1576 | ||
93da9cc1 | 1577 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1578 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1579 | |
93da9cc1 | 1580 | /* Set the config options which we are interested in setting */ |
1581 | conf = &(sdata->u.mesh.mshcfg); | |
1582 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1583 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1584 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1585 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1586 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1587 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1588 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1589 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1590 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1591 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1592 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1593 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1594 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1595 | conf->element_ttl = nconf->element_ttl; |
93da9cc1 | 1596 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1597 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
d299a1f2 JC |
1598 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1599 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1600 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1601 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1602 | conf->dot11MeshHWMPmaxPREQretries = | |
1603 | nconf->dot11MeshHWMPmaxPREQretries; | |
1604 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1605 | conf->path_refresh_time = nconf->path_refresh_time; | |
1606 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1607 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1608 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1609 | conf->dot11MeshHWMPactivePathTimeout = | |
1610 | nconf->dot11MeshHWMPactivePathTimeout; | |
1611 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1612 | conf->dot11MeshHWMPpreqMinInterval = | |
1613 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1614 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1615 | conf->dot11MeshHWMPperrMinInterval = | |
1616 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1617 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1618 | mask)) | |
1619 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1620 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1621 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1622 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1623 | ieee80211_mesh_root_setup(ifmsh); | |
1624 | } | |
16dd7267 | 1625 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1626 | /* our current gate announcement implementation rides on root |
1627 | * announcements, so require this ifmsh to also be a root node | |
1628 | * */ | |
1629 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1630 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1631 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1632 | ieee80211_mesh_root_setup(ifmsh); |
1633 | } | |
16dd7267 JC |
1634 | conf->dot11MeshGateAnnouncementProtocol = |
1635 | nconf->dot11MeshGateAnnouncementProtocol; | |
1636 | } | |
a4f606ea | 1637 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1638 | conf->dot11MeshHWMPRannInterval = |
1639 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1640 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1641 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1642 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1643 | /* our RSSI threshold implementation is supported only for | |
1644 | * devices that report signal in dBm. | |
1645 | */ | |
1646 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1647 | return -ENOTSUPP; | |
1648 | conf->rssi_threshold = nconf->rssi_threshold; | |
1649 | } | |
70c33eaa AN |
1650 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1651 | conf->ht_opmode = nconf->ht_opmode; | |
1652 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1653 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1654 | } | |
ac1073a6 CYY |
1655 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1656 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1657 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1658 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1659 | conf->dot11MeshHWMProotInterval = | |
1660 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1661 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1662 | conf->dot11MeshHWMPconfirmationInterval = | |
1663 | nconf->dot11MeshHWMPconfirmationInterval; | |
93da9cc1 | 1664 | return 0; |
1665 | } | |
1666 | ||
29cbe68c JB |
1667 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1668 | const struct mesh_config *conf, | |
1669 | const struct mesh_setup *setup) | |
1670 | { | |
1671 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1672 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1673 | int err; |
29cbe68c | 1674 | |
c80d545d JC |
1675 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1676 | err = copy_mesh_setup(ifmsh, setup); | |
1677 | if (err) | |
1678 | return err; | |
cc1d2806 | 1679 | |
04ecd257 JB |
1680 | /* can mesh use other SMPS modes? */ |
1681 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1682 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1683 | ||
55de908a JB |
1684 | err = ieee80211_vif_use_channel(sdata, setup->channel, |
1685 | setup->channel_type, | |
1686 | IEEE80211_CHANCTX_SHARED); | |
cc1d2806 JB |
1687 | if (err) |
1688 | return err; | |
1689 | ||
29cbe68c JB |
1690 | ieee80211_start_mesh(sdata); |
1691 | ||
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1696 | { | |
1697 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1698 | ||
1699 | ieee80211_stop_mesh(sdata); | |
55de908a | 1700 | ieee80211_vif_release_channel(sdata); |
29cbe68c JB |
1701 | |
1702 | return 0; | |
1703 | } | |
c5dd9c2b LCC |
1704 | #endif |
1705 | ||
9f1ba906 JM |
1706 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1707 | struct net_device *dev, | |
1708 | struct bss_parameters *params) | |
1709 | { | |
55de908a JB |
1710 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1711 | enum ieee80211_band band; | |
9f1ba906 JM |
1712 | u32 changed = 0; |
1713 | ||
55de908a JB |
1714 | if (!rtnl_dereference(sdata->u.ap.beacon)) |
1715 | return -ENOENT; | |
1716 | ||
1717 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1718 | |
9f1ba906 | 1719 | if (params->use_cts_prot >= 0) { |
bda3933a | 1720 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1721 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1722 | } | |
1723 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1724 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1725 | params->use_short_preamble; |
1726 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1727 | } | |
43d35343 FF |
1728 | |
1729 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1730 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1731 | sdata->vif.bss_conf.use_short_slot = true; |
1732 | changed |= BSS_CHANGED_ERP_SLOT; | |
1733 | } | |
1734 | ||
9f1ba906 | 1735 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1736 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1737 | params->use_short_slot_time; |
1738 | changed |= BSS_CHANGED_ERP_SLOT; | |
1739 | } | |
1740 | ||
90c97a04 JM |
1741 | if (params->basic_rates) { |
1742 | int i, j; | |
1743 | u32 rates = 0; | |
55de908a | 1744 | struct ieee80211_supported_band *sband = wiphy->bands[band]; |
90c97a04 JM |
1745 | |
1746 | for (i = 0; i < params->basic_rates_len; i++) { | |
1747 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1748 | for (j = 0; j < sband->n_bitrates; j++) { | |
1749 | if (sband->bitrates[j].bitrate == rate) | |
1750 | rates |= BIT(j); | |
1751 | } | |
1752 | } | |
1753 | sdata->vif.bss_conf.basic_rates = rates; | |
1754 | changed |= BSS_CHANGED_BASIC_RATES; | |
1755 | } | |
1756 | ||
7b7b5e56 FF |
1757 | if (params->ap_isolate >= 0) { |
1758 | if (params->ap_isolate) | |
1759 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1760 | else | |
1761 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1762 | } | |
1763 | ||
80d7e403 HS |
1764 | if (params->ht_opmode >= 0) { |
1765 | sdata->vif.bss_conf.ht_operation_mode = | |
1766 | (u16) params->ht_opmode; | |
1767 | changed |= BSS_CHANGED_HT; | |
1768 | } | |
1769 | ||
9f1ba906 JM |
1770 | ieee80211_bss_info_change_notify(sdata, changed); |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
31888487 | 1775 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1776 | struct net_device *dev, |
31888487 JM |
1777 | struct ieee80211_txq_params *params) |
1778 | { | |
1779 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1780 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1781 | struct ieee80211_tx_queue_params p; |
1782 | ||
1783 | if (!local->ops->conf_tx) | |
1784 | return -EOPNOTSUPP; | |
1785 | ||
54bcbc69 JB |
1786 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1787 | return -EOPNOTSUPP; | |
1788 | ||
31888487 JM |
1789 | memset(&p, 0, sizeof(p)); |
1790 | p.aifs = params->aifs; | |
1791 | p.cw_max = params->cwmax; | |
1792 | p.cw_min = params->cwmin; | |
1793 | p.txop = params->txop; | |
ab13315a KV |
1794 | |
1795 | /* | |
1796 | * Setting tx queue params disables u-apsd because it's only | |
1797 | * called in master mode. | |
1798 | */ | |
1799 | p.uapsd = false; | |
1800 | ||
a3304b0a JB |
1801 | sdata->tx_conf[params->ac] = p; |
1802 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1803 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1804 | "failed to set TX queue parameters for AC %d\n", |
1805 | params->ac); | |
31888487 JM |
1806 | return -EINVAL; |
1807 | } | |
1808 | ||
7d25745d JB |
1809 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1810 | ||
31888487 JM |
1811 | return 0; |
1812 | } | |
1813 | ||
665af4fc | 1814 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1815 | static int ieee80211_suspend(struct wiphy *wiphy, |
1816 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1817 | { |
eecc4800 | 1818 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1819 | } |
1820 | ||
1821 | static int ieee80211_resume(struct wiphy *wiphy) | |
1822 | { | |
1823 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1824 | } | |
1825 | #else | |
1826 | #define ieee80211_suspend NULL | |
1827 | #define ieee80211_resume NULL | |
1828 | #endif | |
1829 | ||
2a519311 | 1830 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1831 | struct cfg80211_scan_request *req) |
1832 | { | |
fd014284 JB |
1833 | struct ieee80211_sub_if_data *sdata; |
1834 | ||
1835 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1836 | |
2ca27bcf JB |
1837 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1838 | case NL80211_IFTYPE_STATION: | |
1839 | case NL80211_IFTYPE_ADHOC: | |
1840 | case NL80211_IFTYPE_MESH_POINT: | |
1841 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1842 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1843 | break; |
1844 | case NL80211_IFTYPE_P2P_GO: | |
1845 | if (sdata->local->ops->hw_scan) | |
1846 | break; | |
e9d7732e JB |
1847 | /* |
1848 | * FIXME: implement NoA while scanning in software, | |
1849 | * for now fall through to allow scanning only when | |
1850 | * beaconing hasn't been configured yet | |
1851 | */ | |
2ca27bcf JB |
1852 | case NL80211_IFTYPE_AP: |
1853 | if (sdata->u.ap.beacon) | |
1854 | return -EOPNOTSUPP; | |
1855 | break; | |
1856 | default: | |
1857 | return -EOPNOTSUPP; | |
1858 | } | |
2a519311 JB |
1859 | |
1860 | return ieee80211_request_scan(sdata, req); | |
1861 | } | |
1862 | ||
79f460ca LC |
1863 | static int |
1864 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1865 | struct net_device *dev, | |
1866 | struct cfg80211_sched_scan_request *req) | |
1867 | { | |
1868 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1869 | ||
1870 | if (!sdata->local->ops->sched_scan_start) | |
1871 | return -EOPNOTSUPP; | |
1872 | ||
1873 | return ieee80211_request_sched_scan_start(sdata, req); | |
1874 | } | |
1875 | ||
1876 | static int | |
85a9994a | 1877 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1878 | { |
1879 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1880 | ||
1881 | if (!sdata->local->ops->sched_scan_stop) | |
1882 | return -EOPNOTSUPP; | |
1883 | ||
85a9994a | 1884 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1885 | } |
1886 | ||
636a5d36 JM |
1887 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1888 | struct cfg80211_auth_request *req) | |
1889 | { | |
77fdaa12 | 1890 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1891 | } |
1892 | ||
1893 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1894 | struct cfg80211_assoc_request *req) | |
1895 | { | |
77fdaa12 | 1896 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1897 | } |
1898 | ||
1899 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1900 | struct cfg80211_deauth_request *req) |
636a5d36 | 1901 | { |
63c9c5e7 | 1902 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1903 | } |
1904 | ||
1905 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1906 | struct cfg80211_disassoc_request *req) |
636a5d36 | 1907 | { |
63c9c5e7 | 1908 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1909 | } |
1910 | ||
af8cdcd8 JB |
1911 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1912 | struct cfg80211_ibss_params *params) | |
1913 | { | |
55de908a | 1914 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
1915 | } |
1916 | ||
1917 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1918 | { | |
55de908a | 1919 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
1920 | } |
1921 | ||
b9a5f8ca JM |
1922 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1923 | { | |
1924 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1925 | int err; |
b9a5f8ca | 1926 | |
f23a4780 AN |
1927 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1928 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1929 | ||
1930 | if (err) | |
1931 | return err; | |
1932 | } | |
1933 | ||
310bc676 LT |
1934 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1935 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1936 | ||
1937 | if (err) | |
1938 | return err; | |
1939 | } | |
1940 | ||
b9a5f8ca | 1941 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1942 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1943 | |
24487981 JB |
1944 | if (err) |
1945 | return err; | |
b9a5f8ca JM |
1946 | } |
1947 | ||
1948 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1949 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1950 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1951 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1952 | if (changed & | |
1953 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1954 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1955 | ||
1956 | return 0; | |
1957 | } | |
1958 | ||
7643a2c3 | 1959 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1960 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1961 | { |
1962 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a | 1963 | struct ieee80211_channel *chan = local->_oper_channel; |
7643a2c3 | 1964 | u32 changes = 0; |
7643a2c3 | 1965 | |
55de908a JB |
1966 | /* FIXME */ |
1967 | if (local->use_chanctx) | |
1968 | return -EOPNOTSUPP; | |
1969 | ||
7643a2c3 | 1970 | switch (type) { |
fa61cf70 | 1971 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1972 | local->user_power_level = -1; |
1973 | break; | |
fa61cf70 JO |
1974 | case NL80211_TX_POWER_LIMITED: |
1975 | if (mbm < 0 || (mbm % 100)) | |
1976 | return -EOPNOTSUPP; | |
1977 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1978 | break; |
fa61cf70 JO |
1979 | case NL80211_TX_POWER_FIXED: |
1980 | if (mbm < 0 || (mbm % 100)) | |
1981 | return -EOPNOTSUPP; | |
7643a2c3 | 1982 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1983 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1984 | return -EINVAL; |
fa61cf70 | 1985 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1986 | break; |
7643a2c3 JB |
1987 | } |
1988 | ||
1989 | ieee80211_hw_config(local, changes); | |
1990 | ||
1991 | return 0; | |
1992 | } | |
1993 | ||
1994 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1995 | { | |
1996 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1997 | ||
1998 | *dbm = local->hw.conf.power_level; | |
1999 | ||
7643a2c3 JB |
2000 | return 0; |
2001 | } | |
2002 | ||
ab737a4f | 2003 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2004 | const u8 *addr) |
ab737a4f JB |
2005 | { |
2006 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2007 | ||
2008 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2009 | ||
2010 | return 0; | |
2011 | } | |
2012 | ||
1f87f7d3 JB |
2013 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2014 | { | |
2015 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2016 | ||
2017 | drv_rfkill_poll(local); | |
2018 | } | |
2019 | ||
aff89a9b | 2020 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 2021 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
2022 | { |
2023 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2024 | ||
2025 | if (!local->ops->testmode_cmd) | |
2026 | return -EOPNOTSUPP; | |
2027 | ||
2028 | return local->ops->testmode_cmd(&local->hw, data, len); | |
2029 | } | |
71063f0e WYG |
2030 | |
2031 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2032 | struct sk_buff *skb, | |
2033 | struct netlink_callback *cb, | |
2034 | void *data, int len) | |
2035 | { | |
2036 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2037 | ||
2038 | if (!local->ops->testmode_dump) | |
2039 | return -EOPNOTSUPP; | |
2040 | ||
2041 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2042 | } | |
aff89a9b JB |
2043 | #endif |
2044 | ||
0f78231b JB |
2045 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2046 | enum ieee80211_smps_mode smps_mode) | |
2047 | { | |
2048 | const u8 *ap; | |
2049 | enum ieee80211_smps_mode old_req; | |
2050 | int err; | |
2051 | ||
243e6df4 JB |
2052 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2053 | ||
0f78231b JB |
2054 | old_req = sdata->u.mgd.req_smps; |
2055 | sdata->u.mgd.req_smps = smps_mode; | |
2056 | ||
2057 | if (old_req == smps_mode && | |
2058 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2059 | return 0; | |
2060 | ||
2061 | /* | |
2062 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2063 | * association, there's no need to do anything, just store |
2064 | * the new value until we associate. | |
0f78231b JB |
2065 | */ |
2066 | if (!sdata->u.mgd.associated || | |
04ecd257 | 2067 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) |
0f78231b | 2068 | return 0; |
0f78231b | 2069 | |
0c1ad2ca | 2070 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2071 | |
2072 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2073 | if (sdata->u.mgd.powersave) | |
2074 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2075 | else | |
2076 | smps_mode = IEEE80211_SMPS_OFF; | |
2077 | } | |
2078 | ||
2079 | /* send SM PS frame to AP */ | |
2080 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2081 | ap, ap); | |
2082 | if (err) | |
2083 | sdata->u.mgd.req_smps = old_req; | |
2084 | ||
2085 | return err; | |
2086 | } | |
2087 | ||
bc92afd9 JB |
2088 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2089 | bool enabled, int timeout) | |
2090 | { | |
2091 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2092 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2093 | |
e5de30c9 BP |
2094 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
2095 | return -EOPNOTSUPP; | |
2096 | ||
bc92afd9 JB |
2097 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2098 | return -EOPNOTSUPP; | |
2099 | ||
2100 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2101 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2102 | return 0; |
2103 | ||
2104 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2105 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2106 | |
0f78231b JB |
2107 | /* no change, but if automatic follow powersave */ |
2108 | mutex_lock(&sdata->u.mgd.mtx); | |
2109 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2110 | mutex_unlock(&sdata->u.mgd.mtx); | |
2111 | ||
bc92afd9 JB |
2112 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2113 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2114 | ||
2115 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2116 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2117 | |
2118 | return 0; | |
2119 | } | |
2120 | ||
a97c13c3 JO |
2121 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2122 | struct net_device *dev, | |
2123 | s32 rssi_thold, u32 rssi_hyst) | |
2124 | { | |
2125 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2126 | struct ieee80211_vif *vif = &sdata->vif; |
2127 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2128 | ||
a97c13c3 JO |
2129 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2130 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2131 | return 0; | |
2132 | ||
2133 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2134 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2135 | ||
2136 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2137 | if (sdata->u.mgd.associated && |
2138 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2139 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2140 | ||
2141 | return 0; | |
2142 | } | |
2143 | ||
9930380f JB |
2144 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2145 | struct net_device *dev, | |
2146 | const u8 *addr, | |
2147 | const struct cfg80211_bitrate_mask *mask) | |
2148 | { | |
2149 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2150 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2151 | int i, ret; |
2c7e6bc9 | 2152 | |
554a43d5 EP |
2153 | if (!ieee80211_sdata_running(sdata)) |
2154 | return -ENETDOWN; | |
2155 | ||
bdbfd6b5 SM |
2156 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2157 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2158 | if (ret) | |
2159 | return ret; | |
2160 | } | |
9930380f | 2161 | |
19468413 | 2162 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2163 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2164 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2165 | sizeof(mask->control[i].mcs)); | |
2166 | } | |
9930380f | 2167 | |
37eb0b16 | 2168 | return 0; |
9930380f JB |
2169 | } |
2170 | ||
2eb278e0 JB |
2171 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2172 | struct ieee80211_sub_if_data *sdata, | |
2173 | struct ieee80211_channel *channel, | |
2174 | enum nl80211_channel_type channel_type, | |
2175 | unsigned int duration, u64 *cookie, | |
2176 | struct sk_buff *txskb) | |
2177 | { | |
2178 | struct ieee80211_roc_work *roc, *tmp; | |
2179 | bool queued = false; | |
21f83589 | 2180 | int ret; |
21f83589 JB |
2181 | |
2182 | lockdep_assert_held(&local->mtx); | |
2183 | ||
fe57d9f5 JB |
2184 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2185 | return -EOPNOTSUPP; | |
2186 | ||
2eb278e0 JB |
2187 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2188 | if (!roc) | |
2189 | return -ENOMEM; | |
2190 | ||
2191 | roc->chan = channel; | |
2192 | roc->chan_type = channel_type; | |
2193 | roc->duration = duration; | |
2194 | roc->req_duration = duration; | |
2195 | roc->frame = txskb; | |
2196 | roc->mgmt_tx_cookie = (unsigned long)txskb; | |
2197 | roc->sdata = sdata; | |
2198 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2199 | INIT_LIST_HEAD(&roc->dependents); | |
2200 | ||
2201 | /* if there's one pending or we're scanning, queue this one */ | |
2202 | if (!list_empty(&local->roc_list) || local->scanning) | |
2203 | goto out_check_combine; | |
2204 | ||
2205 | /* if not HW assist, just queue & schedule work */ | |
2206 | if (!local->ops->remain_on_channel) { | |
2207 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2208 | goto out_queue; | |
2209 | } | |
2210 | ||
2211 | /* otherwise actually kick it off here (for error handling) */ | |
2212 | ||
2213 | /* | |
2214 | * If the duration is zero, then the driver | |
2215 | * wouldn't actually do anything. Set it to | |
2216 | * 10 for now. | |
2217 | * | |
2218 | * TODO: cancel the off-channel operation | |
2219 | * when we get the SKB's TX status and | |
2220 | * the wait time was zero before. | |
2221 | */ | |
2222 | if (!duration) | |
2223 | duration = 10; | |
2224 | ||
2225 | ret = drv_remain_on_channel(local, channel, channel_type, duration); | |
21f83589 | 2226 | if (ret) { |
2eb278e0 JB |
2227 | kfree(roc); |
2228 | return ret; | |
21f83589 JB |
2229 | } |
2230 | ||
2eb278e0 JB |
2231 | roc->started = true; |
2232 | goto out_queue; | |
2233 | ||
2234 | out_check_combine: | |
2235 | list_for_each_entry(tmp, &local->roc_list, list) { | |
2236 | if (tmp->chan != channel || tmp->chan_type != channel_type) | |
2237 | continue; | |
2238 | ||
2239 | /* | |
2240 | * Extend this ROC if possible: | |
2241 | * | |
2242 | * If it hasn't started yet, just increase the duration | |
2243 | * and add the new one to the list of dependents. | |
2244 | */ | |
2245 | if (!tmp->started) { | |
2246 | list_add_tail(&roc->list, &tmp->dependents); | |
2247 | tmp->duration = max(tmp->duration, roc->duration); | |
2248 | queued = true; | |
2249 | break; | |
2250 | } | |
2251 | ||
2252 | /* If it has already started, it's more difficult ... */ | |
2253 | if (local->ops->remain_on_channel) { | |
2254 | unsigned long j = jiffies; | |
2255 | ||
2256 | /* | |
2257 | * In the offloaded ROC case, if it hasn't begun, add | |
2258 | * this new one to the dependent list to be handled | |
2259 | * when the the master one begins. If it has begun, | |
2260 | * check that there's still a minimum time left and | |
2261 | * if so, start this one, transmitting the frame, but | |
2262 | * add it to the list directly after this one with a | |
2263 | * a reduced time so we'll ask the driver to execute | |
2264 | * it right after finishing the previous one, in the | |
2265 | * hope that it'll also be executed right afterwards, | |
2266 | * effectively extending the old one. | |
2267 | * If there's no minimum time left, just add it to the | |
2268 | * normal list. | |
2269 | */ | |
2270 | if (!tmp->hw_begun) { | |
2271 | list_add_tail(&roc->list, &tmp->dependents); | |
2272 | queued = true; | |
2273 | break; | |
2274 | } | |
2275 | ||
2276 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2277 | tmp->hw_start_time + | |
2278 | msecs_to_jiffies(tmp->duration))) { | |
2279 | int new_dur; | |
2280 | ||
2281 | ieee80211_handle_roc_started(roc); | |
2282 | ||
2283 | new_dur = roc->duration - | |
2284 | jiffies_to_msecs(tmp->hw_start_time + | |
2285 | msecs_to_jiffies( | |
2286 | tmp->duration) - | |
2287 | j); | |
2288 | ||
2289 | if (new_dur > 0) { | |
2290 | /* add right after tmp */ | |
2291 | list_add(&roc->list, &tmp->list); | |
2292 | } else { | |
2293 | list_add_tail(&roc->list, | |
2294 | &tmp->dependents); | |
2295 | } | |
2296 | queued = true; | |
2297 | } | |
2298 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2299 | unsigned long new_end; | |
2300 | ||
2301 | /* | |
2302 | * In the software ROC case, cancel the timer, if | |
2303 | * that fails then the finish work is already | |
2304 | * queued/pending and thus we queue the new ROC | |
2305 | * normally, if that succeeds then we can extend | |
2306 | * the timer duration and TX the frame (if any.) | |
2307 | */ | |
2308 | ||
2309 | list_add_tail(&roc->list, &tmp->dependents); | |
2310 | queued = true; | |
2311 | ||
2312 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2313 | ||
2314 | /* ok, it was started & we canceled timer */ | |
2315 | if (time_after(new_end, tmp->work.timer.expires)) | |
2316 | mod_timer(&tmp->work.timer, new_end); | |
2317 | else | |
2318 | add_timer(&tmp->work.timer); | |
2319 | ||
2320 | ieee80211_handle_roc_started(roc); | |
2321 | } | |
2322 | break; | |
2323 | } | |
2324 | ||
2325 | out_queue: | |
2326 | if (!queued) | |
2327 | list_add_tail(&roc->list, &local->roc_list); | |
2328 | ||
2329 | /* | |
2330 | * cookie is either the roc (for normal roc) | |
2331 | * or the SKB (for mgmt TX) | |
2332 | */ | |
2333 | if (txskb) | |
2334 | *cookie = (unsigned long)txskb; | |
2335 | else | |
2336 | *cookie = (unsigned long)roc; | |
2337 | ||
2338 | return 0; | |
21f83589 JB |
2339 | } |
2340 | ||
b8bc4b0a | 2341 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2342 | struct wireless_dev *wdev, |
b8bc4b0a JB |
2343 | struct ieee80211_channel *chan, |
2344 | enum nl80211_channel_type channel_type, | |
2345 | unsigned int duration, | |
2346 | u64 *cookie) | |
2347 | { | |
71bbc994 | 2348 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2349 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2350 | int ret; |
21f83589 | 2351 | |
2eb278e0 JB |
2352 | mutex_lock(&local->mtx); |
2353 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2354 | duration, cookie, NULL); | |
2355 | mutex_unlock(&local->mtx); | |
b8bc4b0a | 2356 | |
2eb278e0 | 2357 | return ret; |
b8bc4b0a JB |
2358 | } |
2359 | ||
2eb278e0 JB |
2360 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2361 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2362 | { |
2eb278e0 | 2363 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2364 | int ret; |
2365 | ||
2eb278e0 JB |
2366 | mutex_lock(&local->mtx); |
2367 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2368 | struct ieee80211_roc_work *dep, *tmp2; |
2369 | ||
2370 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
2371 | if (!mgmt_tx && (unsigned long)dep != cookie) | |
2372 | continue; | |
2373 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2374 | continue; | |
2375 | /* found dependent item -- just remove it */ | |
2376 | list_del(&dep->list); | |
2377 | mutex_unlock(&local->mtx); | |
2378 | ||
2379 | ieee80211_roc_notify_destroy(dep); | |
2380 | return 0; | |
2381 | } | |
2382 | ||
2eb278e0 JB |
2383 | if (!mgmt_tx && (unsigned long)roc != cookie) |
2384 | continue; | |
2385 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2386 | continue; | |
21f83589 | 2387 | |
2eb278e0 JB |
2388 | found = roc; |
2389 | break; | |
2390 | } | |
21f83589 | 2391 | |
2eb278e0 JB |
2392 | if (!found) { |
2393 | mutex_unlock(&local->mtx); | |
2394 | return -ENOENT; | |
2395 | } | |
21f83589 | 2396 | |
e979e33c JB |
2397 | /* |
2398 | * We found the item to cancel, so do that. Note that it | |
2399 | * may have dependents, which we also cancel (and send | |
2400 | * the expired signal for.) Not doing so would be quite | |
2401 | * tricky here, but we may need to fix it later. | |
2402 | */ | |
2403 | ||
2eb278e0 JB |
2404 | if (local->ops->remain_on_channel) { |
2405 | if (found->started) { | |
2406 | ret = drv_cancel_remain_on_channel(local); | |
2407 | if (WARN_ON_ONCE(ret)) { | |
2408 | mutex_unlock(&local->mtx); | |
2409 | return ret; | |
2410 | } | |
2411 | } | |
21f83589 | 2412 | |
2eb278e0 | 2413 | list_del(&found->list); |
21f83589 | 2414 | |
0f6b3f59 JB |
2415 | if (found->started) |
2416 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2417 | mutex_unlock(&local->mtx); |
21f83589 | 2418 | |
2eb278e0 JB |
2419 | ieee80211_roc_notify_destroy(found); |
2420 | } else { | |
2421 | /* work may be pending so use it all the time */ | |
2422 | found->abort = true; | |
2423 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2424 | |
21f83589 JB |
2425 | mutex_unlock(&local->mtx); |
2426 | ||
2eb278e0 JB |
2427 | /* work will clean up etc */ |
2428 | flush_delayed_work(&found->work); | |
21f83589 | 2429 | } |
b8bc4b0a | 2430 | |
2eb278e0 | 2431 | return 0; |
b8bc4b0a JB |
2432 | } |
2433 | ||
2eb278e0 | 2434 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2435 | struct wireless_dev *wdev, |
2eb278e0 | 2436 | u64 cookie) |
f30221e4 | 2437 | { |
71bbc994 | 2438 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2439 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2440 | |
2eb278e0 | 2441 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2442 | } |
2443 | ||
71bbc994 | 2444 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2445 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 2446 | enum nl80211_channel_type channel_type, |
f7ca38df | 2447 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 2448 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 2449 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 2450 | { |
71bbc994 | 2451 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2452 | struct ieee80211_local *local = sdata->local; |
2453 | struct sk_buff *skb; | |
2454 | struct sta_info *sta; | |
2455 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2456 | bool need_offchan = false; |
e247bd90 | 2457 | u32 flags; |
2eb278e0 | 2458 | int ret; |
f7ca38df | 2459 | |
e247bd90 JB |
2460 | if (dont_wait_for_ack) |
2461 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2462 | else | |
2463 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2464 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2465 | ||
aad14ceb RM |
2466 | if (no_cck) |
2467 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2468 | ||
9d38d85d JB |
2469 | switch (sdata->vif.type) { |
2470 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2471 | if (!sdata->vif.bss_conf.ibss_joined) |
2472 | need_offchan = true; | |
2473 | /* fall through */ | |
2474 | #ifdef CONFIG_MAC80211_MESH | |
2475 | case NL80211_IFTYPE_MESH_POINT: | |
2476 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2477 | !sdata->u.mesh.mesh_id_len) | |
2478 | need_offchan = true; | |
2479 | /* fall through */ | |
2480 | #endif | |
663fcafd JB |
2481 | case NL80211_IFTYPE_AP: |
2482 | case NL80211_IFTYPE_AP_VLAN: | |
2483 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2484 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2485 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2486 | !rcu_access_pointer(sdata->bss->beacon)) | |
2487 | need_offchan = true; | |
663fcafd JB |
2488 | if (!ieee80211_is_action(mgmt->frame_control) || |
2489 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2490 | break; |
2491 | rcu_read_lock(); | |
2492 | sta = sta_info_get(sdata, mgmt->da); | |
2493 | rcu_read_unlock(); | |
2494 | if (!sta) | |
2495 | return -ENOLINK; | |
2496 | break; | |
2497 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2498 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2499 | if (!sdata->u.mgd.associated) |
2500 | need_offchan = true; | |
9d38d85d | 2501 | break; |
f142c6b9 JB |
2502 | case NL80211_IFTYPE_P2P_DEVICE: |
2503 | need_offchan = true; | |
2504 | break; | |
9d38d85d JB |
2505 | default: |
2506 | return -EOPNOTSUPP; | |
2507 | } | |
2508 | ||
2eb278e0 JB |
2509 | mutex_lock(&local->mtx); |
2510 | ||
2511 | /* Check if the operating channel is the requested channel */ | |
2512 | if (!need_offchan) { | |
55de908a JB |
2513 | struct ieee80211_chanctx_conf *chanctx_conf; |
2514 | ||
2515 | rcu_read_lock(); | |
2516 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
2517 | ||
2518 | if (chanctx_conf) { | |
2519 | need_offchan = chan != chanctx_conf->channel; | |
2520 | if (channel_type_valid && | |
2521 | channel_type != chanctx_conf->channel_type) | |
2522 | need_offchan = true; | |
2523 | } else { | |
2eb278e0 | 2524 | need_offchan = true; |
55de908a JB |
2525 | } |
2526 | rcu_read_unlock(); | |
2eb278e0 JB |
2527 | } |
2528 | ||
2529 | if (need_offchan && !offchan) { | |
2530 | ret = -EBUSY; | |
2531 | goto out_unlock; | |
2532 | } | |
2533 | ||
9d38d85d | 2534 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2535 | if (!skb) { |
2536 | ret = -ENOMEM; | |
2537 | goto out_unlock; | |
2538 | } | |
9d38d85d JB |
2539 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2540 | ||
2541 | memcpy(skb_put(skb, len), buf, len); | |
2542 | ||
2543 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2544 | ||
2545 | skb->dev = sdata->dev; | |
9d38d85d | 2546 | |
2eb278e0 | 2547 | if (!need_offchan) { |
7f9f78ab | 2548 | *cookie = (unsigned long) skb; |
f30221e4 | 2549 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2550 | ret = 0; |
2551 | goto out_unlock; | |
f30221e4 JB |
2552 | } |
2553 | ||
2eb278e0 JB |
2554 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; |
2555 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) | |
2556 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2557 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2558 | |
2eb278e0 JB |
2559 | /* This will handle all kinds of coalescing and immediate TX */ |
2560 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2561 | wait, cookie, skb); | |
2562 | if (ret) | |
2563 | kfree_skb(skb); | |
2564 | out_unlock: | |
2565 | mutex_unlock(&local->mtx); | |
2566 | return ret; | |
026331c4 JM |
2567 | } |
2568 | ||
f30221e4 | 2569 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2570 | struct wireless_dev *wdev, |
f30221e4 JB |
2571 | u64 cookie) |
2572 | { | |
71bbc994 | 2573 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2574 | |
2eb278e0 | 2575 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2576 | } |
2577 | ||
7be5086d | 2578 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2579 | struct wireless_dev *wdev, |
7be5086d JB |
2580 | u16 frame_type, bool reg) |
2581 | { | |
2582 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2583 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2584 | |
6abe0563 WH |
2585 | switch (frame_type) { |
2586 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2587 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2588 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2589 | |
6abe0563 WH |
2590 | if (reg) |
2591 | ifibss->auth_frame_registrations++; | |
2592 | else | |
2593 | ifibss->auth_frame_registrations--; | |
2594 | } | |
2595 | break; | |
2596 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2597 | if (reg) | |
2598 | local->probe_req_reg++; | |
2599 | else | |
2600 | local->probe_req_reg--; | |
7be5086d | 2601 | |
6abe0563 WH |
2602 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2603 | break; | |
2604 | default: | |
2605 | break; | |
2606 | } | |
7be5086d JB |
2607 | } |
2608 | ||
15d96753 BR |
2609 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2610 | { | |
2611 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2612 | ||
2613 | if (local->started) | |
2614 | return -EOPNOTSUPP; | |
2615 | ||
2616 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2617 | } | |
2618 | ||
2619 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2620 | { | |
2621 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2622 | ||
2623 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2624 | } | |
2625 | ||
38c09159 JL |
2626 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2627 | { | |
2628 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2629 | ||
2630 | return drv_set_ringparam(local, tx, rx); | |
2631 | } | |
2632 | ||
2633 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2634 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2635 | { | |
2636 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2637 | ||
2638 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2639 | } | |
2640 | ||
c68f4b89 JB |
2641 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2642 | struct net_device *dev, | |
2643 | struct cfg80211_gtk_rekey_data *data) | |
2644 | { | |
2645 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2646 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2647 | ||
2648 | if (!local->ops->set_rekey_data) | |
2649 | return -EOPNOTSUPP; | |
2650 | ||
2651 | drv_set_rekey_data(local, sdata, data); | |
2652 | ||
2653 | return 0; | |
2654 | } | |
2655 | ||
dfe018bf AN |
2656 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2657 | { | |
2658 | u8 *pos = (void *)skb_put(skb, 7); | |
2659 | ||
2660 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2661 | *pos++ = 5; /* len */ | |
2662 | *pos++ = 0x0; | |
2663 | *pos++ = 0x0; | |
2664 | *pos++ = 0x0; | |
2665 | *pos++ = 0x0; | |
2666 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2667 | } | |
2668 | ||
2669 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2670 | { | |
2671 | struct ieee80211_local *local = sdata->local; | |
2672 | u16 capab; | |
2673 | ||
2674 | capab = 0; | |
55de908a | 2675 | if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) |
dfe018bf AN |
2676 | return capab; |
2677 | ||
2678 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2679 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2680 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2681 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2682 | ||
2683 | return capab; | |
2684 | } | |
2685 | ||
2686 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2687 | u8 *peer, u8 *bssid) | |
2688 | { | |
2689 | struct ieee80211_tdls_lnkie *lnkid; | |
2690 | ||
2691 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2692 | ||
2693 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2694 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2695 | ||
2696 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2697 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2698 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2699 | } | |
2700 | ||
2701 | static int | |
2702 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2703 | u8 *peer, u8 action_code, u8 dialog_token, | |
2704 | u16 status_code, struct sk_buff *skb) | |
2705 | { | |
2706 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 2707 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
2708 | struct ieee80211_tdls_data *tf; |
2709 | ||
2710 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2711 | ||
2712 | memcpy(tf->da, peer, ETH_ALEN); | |
2713 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2714 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2715 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2716 | ||
2717 | switch (action_code) { | |
2718 | case WLAN_TDLS_SETUP_REQUEST: | |
2719 | tf->category = WLAN_CATEGORY_TDLS; | |
2720 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2721 | ||
2722 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2723 | tf->u.setup_req.dialog_token = dialog_token; | |
2724 | tf->u.setup_req.capability = | |
2725 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2726 | ||
55de908a JB |
2727 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2728 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2729 | ieee80211_tdls_add_ext_capab(skb); |
2730 | break; | |
2731 | case WLAN_TDLS_SETUP_RESPONSE: | |
2732 | tf->category = WLAN_CATEGORY_TDLS; | |
2733 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2734 | ||
2735 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2736 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2737 | tf->u.setup_resp.dialog_token = dialog_token; | |
2738 | tf->u.setup_resp.capability = | |
2739 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2740 | ||
55de908a JB |
2741 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2742 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2743 | ieee80211_tdls_add_ext_capab(skb); |
2744 | break; | |
2745 | case WLAN_TDLS_SETUP_CONFIRM: | |
2746 | tf->category = WLAN_CATEGORY_TDLS; | |
2747 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2748 | ||
2749 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2750 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2751 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2752 | break; | |
2753 | case WLAN_TDLS_TEARDOWN: | |
2754 | tf->category = WLAN_CATEGORY_TDLS; | |
2755 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2756 | ||
2757 | skb_put(skb, sizeof(tf->u.teardown)); | |
2758 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2759 | break; | |
2760 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2761 | tf->category = WLAN_CATEGORY_TDLS; | |
2762 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2763 | ||
2764 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2765 | tf->u.discover_req.dialog_token = dialog_token; | |
2766 | break; | |
2767 | default: | |
2768 | return -EINVAL; | |
2769 | } | |
2770 | ||
2771 | return 0; | |
2772 | } | |
2773 | ||
2774 | static int | |
2775 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2776 | u8 *peer, u8 action_code, u8 dialog_token, | |
2777 | u16 status_code, struct sk_buff *skb) | |
2778 | { | |
2779 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 2780 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
2781 | struct ieee80211_mgmt *mgmt; |
2782 | ||
2783 | mgmt = (void *)skb_put(skb, 24); | |
2784 | memset(mgmt, 0, 24); | |
2785 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2786 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2787 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2788 | ||
2789 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2790 | IEEE80211_STYPE_ACTION); | |
2791 | ||
2792 | switch (action_code) { | |
2793 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2794 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2795 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2796 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2797 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2798 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2799 | dialog_token; | |
2800 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2801 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2802 | ||
55de908a JB |
2803 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2804 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2805 | ieee80211_tdls_add_ext_capab(skb); |
2806 | break; | |
2807 | default: | |
2808 | return -EINVAL; | |
2809 | } | |
2810 | ||
2811 | return 0; | |
2812 | } | |
2813 | ||
2814 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2815 | u8 *peer, u8 action_code, u8 dialog_token, | |
2816 | u16 status_code, const u8 *extra_ies, | |
2817 | size_t extra_ies_len) | |
2818 | { | |
2819 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2820 | struct ieee80211_local *local = sdata->local; | |
2821 | struct ieee80211_tx_info *info; | |
2822 | struct sk_buff *skb = NULL; | |
2823 | bool send_direct; | |
2824 | int ret; | |
2825 | ||
2826 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2827 | return -ENOTSUPP; | |
2828 | ||
2829 | /* make sure we are in managed mode, and associated */ | |
2830 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2831 | !sdata->u.mgd.associated) | |
2832 | return -EINVAL; | |
2833 | ||
bdcbd8e0 JB |
2834 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
2835 | action_code, peer); | |
dfe018bf AN |
2836 | |
2837 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2838 | max(sizeof(struct ieee80211_mgmt), | |
2839 | sizeof(struct ieee80211_tdls_data)) + | |
2840 | 50 + /* supported rates */ | |
2841 | 7 + /* ext capab */ | |
2842 | extra_ies_len + | |
2843 | sizeof(struct ieee80211_tdls_lnkie)); | |
2844 | if (!skb) | |
2845 | return -ENOMEM; | |
2846 | ||
2847 | info = IEEE80211_SKB_CB(skb); | |
2848 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2849 | ||
2850 | switch (action_code) { | |
2851 | case WLAN_TDLS_SETUP_REQUEST: | |
2852 | case WLAN_TDLS_SETUP_RESPONSE: | |
2853 | case WLAN_TDLS_SETUP_CONFIRM: | |
2854 | case WLAN_TDLS_TEARDOWN: | |
2855 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2856 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2857 | action_code, dialog_token, | |
2858 | status_code, skb); | |
2859 | send_direct = false; | |
2860 | break; | |
2861 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2862 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2863 | dialog_token, status_code, | |
2864 | skb); | |
2865 | send_direct = true; | |
2866 | break; | |
2867 | default: | |
2868 | ret = -ENOTSUPP; | |
2869 | break; | |
2870 | } | |
2871 | ||
2872 | if (ret < 0) | |
2873 | goto fail; | |
2874 | ||
2875 | if (extra_ies_len) | |
2876 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2877 | ||
2878 | /* the TDLS link IE is always added last */ | |
2879 | switch (action_code) { | |
2880 | case WLAN_TDLS_SETUP_REQUEST: | |
2881 | case WLAN_TDLS_SETUP_CONFIRM: | |
2882 | case WLAN_TDLS_TEARDOWN: | |
2883 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2884 | /* we are the initiator */ | |
2885 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2886 | sdata->u.mgd.bssid); | |
2887 | break; | |
2888 | case WLAN_TDLS_SETUP_RESPONSE: | |
2889 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2890 | /* we are the responder */ | |
2891 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2892 | sdata->u.mgd.bssid); | |
2893 | break; | |
2894 | default: | |
2895 | ret = -ENOTSUPP; | |
2896 | goto fail; | |
2897 | } | |
2898 | ||
2899 | if (send_direct) { | |
2900 | ieee80211_tx_skb(sdata, skb); | |
2901 | return 0; | |
2902 | } | |
2903 | ||
2904 | /* | |
2905 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2906 | * we should default to AC_VI. | |
2907 | */ | |
2908 | switch (action_code) { | |
2909 | case WLAN_TDLS_SETUP_REQUEST: | |
2910 | case WLAN_TDLS_SETUP_RESPONSE: | |
2911 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2912 | skb->priority = 2; | |
2913 | break; | |
2914 | default: | |
2915 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2916 | skb->priority = 5; | |
2917 | break; | |
2918 | } | |
2919 | ||
2920 | /* disable bottom halves when entering the Tx path */ | |
2921 | local_bh_disable(); | |
2922 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2923 | local_bh_enable(); | |
2924 | ||
2925 | return ret; | |
2926 | ||
2927 | fail: | |
2928 | dev_kfree_skb(skb); | |
2929 | return ret; | |
2930 | } | |
2931 | ||
2932 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2933 | u8 *peer, enum nl80211_tdls_operation oper) | |
2934 | { | |
941c93cd | 2935 | struct sta_info *sta; |
dfe018bf AN |
2936 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2937 | ||
2938 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2939 | return -ENOTSUPP; | |
2940 | ||
2941 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2942 | return -EINVAL; | |
2943 | ||
bdcbd8e0 | 2944 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
2945 | |
2946 | switch (oper) { | |
2947 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2948 | rcu_read_lock(); |
2949 | sta = sta_info_get(sdata, peer); | |
2950 | if (!sta) { | |
2951 | rcu_read_unlock(); | |
2952 | return -ENOLINK; | |
2953 | } | |
2954 | ||
c2c98fde | 2955 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2956 | rcu_read_unlock(); |
dfe018bf AN |
2957 | break; |
2958 | case NL80211_TDLS_DISABLE_LINK: | |
2959 | return sta_info_destroy_addr(sdata, peer); | |
2960 | case NL80211_TDLS_TEARDOWN: | |
2961 | case NL80211_TDLS_SETUP: | |
2962 | case NL80211_TDLS_DISCOVERY_REQ: | |
2963 | /* We don't support in-driver setup/teardown/discovery */ | |
2964 | return -ENOTSUPP; | |
2965 | default: | |
2966 | return -ENOTSUPP; | |
2967 | } | |
2968 | ||
2969 | return 0; | |
2970 | } | |
2971 | ||
06500736 JB |
2972 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
2973 | const u8 *peer, u64 *cookie) | |
2974 | { | |
2975 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2976 | struct ieee80211_local *local = sdata->local; | |
2977 | struct ieee80211_qos_hdr *nullfunc; | |
2978 | struct sk_buff *skb; | |
2979 | int size = sizeof(*nullfunc); | |
2980 | __le16 fc; | |
2981 | bool qos; | |
2982 | struct ieee80211_tx_info *info; | |
2983 | struct sta_info *sta; | |
55de908a JB |
2984 | struct ieee80211_chanctx_conf *chanctx_conf; |
2985 | enum ieee80211_band band; | |
06500736 JB |
2986 | |
2987 | rcu_read_lock(); | |
55de908a JB |
2988 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
2989 | if (WARN_ON(!chanctx_conf)) { | |
2990 | rcu_read_unlock(); | |
2991 | return -EINVAL; | |
2992 | } | |
2993 | band = chanctx_conf->channel->band; | |
06500736 | 2994 | sta = sta_info_get(sdata, peer); |
b4487c2d | 2995 | if (sta) { |
06500736 | 2996 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
2997 | } else { |
2998 | rcu_read_unlock(); | |
06500736 | 2999 | return -ENOLINK; |
b4487c2d | 3000 | } |
06500736 JB |
3001 | |
3002 | if (qos) { | |
3003 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3004 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3005 | IEEE80211_FCTL_FROMDS); | |
3006 | } else { | |
3007 | size -= 2; | |
3008 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3009 | IEEE80211_STYPE_NULLFUNC | | |
3010 | IEEE80211_FCTL_FROMDS); | |
3011 | } | |
3012 | ||
3013 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3014 | if (!skb) { |
3015 | rcu_read_unlock(); | |
06500736 | 3016 | return -ENOMEM; |
55de908a | 3017 | } |
06500736 JB |
3018 | |
3019 | skb->dev = dev; | |
3020 | ||
3021 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3022 | ||
3023 | nullfunc = (void *) skb_put(skb, size); | |
3024 | nullfunc->frame_control = fc; | |
3025 | nullfunc->duration_id = 0; | |
3026 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3027 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3028 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3029 | nullfunc->seq_ctrl = 0; | |
3030 | ||
3031 | info = IEEE80211_SKB_CB(skb); | |
3032 | ||
3033 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3034 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3035 | ||
3036 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3037 | skb->priority = 7; | |
3038 | if (qos) | |
3039 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3040 | ||
3041 | local_bh_disable(); | |
55de908a | 3042 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3043 | local_bh_enable(); |
55de908a | 3044 | rcu_read_unlock(); |
06500736 JB |
3045 | |
3046 | *cookie = (unsigned long) skb; | |
3047 | return 0; | |
3048 | } | |
3049 | ||
5b7ccaf3 JB |
3050 | static struct ieee80211_channel * |
3051 | ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, | |
3052 | enum nl80211_channel_type *type) | |
3053 | { | |
55de908a JB |
3054 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
3055 | struct ieee80211_chanctx_conf *chanctx_conf; | |
3056 | struct ieee80211_channel *chan = NULL; | |
3057 | ||
3058 | rcu_read_lock(); | |
3059 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3060 | if (chanctx_conf) { | |
3061 | *type = chanctx_conf->channel_type; | |
3062 | chan = chanctx_conf->channel; | |
3063 | } | |
3064 | rcu_read_unlock(); | |
5b7ccaf3 | 3065 | |
55de908a | 3066 | return chan; |
5b7ccaf3 JB |
3067 | } |
3068 | ||
6d52563f JB |
3069 | #ifdef CONFIG_PM |
3070 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3071 | { | |
3072 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3073 | } | |
3074 | #endif | |
3075 | ||
f0706e82 JB |
3076 | struct cfg80211_ops mac80211_config_ops = { |
3077 | .add_virtual_intf = ieee80211_add_iface, | |
3078 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3079 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3080 | .start_p2p_device = ieee80211_start_p2p_device, |
3081 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3082 | .add_key = ieee80211_add_key, |
3083 | .del_key = ieee80211_del_key, | |
62da92fb | 3084 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3085 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3086 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3087 | .start_ap = ieee80211_start_ap, |
3088 | .change_beacon = ieee80211_change_beacon, | |
3089 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3090 | .add_station = ieee80211_add_station, |
3091 | .del_station = ieee80211_del_station, | |
3092 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3093 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3094 | .dump_station = ieee80211_dump_station, |
1289723e | 3095 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3096 | #ifdef CONFIG_MAC80211_MESH |
3097 | .add_mpath = ieee80211_add_mpath, | |
3098 | .del_mpath = ieee80211_del_mpath, | |
3099 | .change_mpath = ieee80211_change_mpath, | |
3100 | .get_mpath = ieee80211_get_mpath, | |
3101 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3102 | .update_mesh_config = ieee80211_update_mesh_config, |
3103 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3104 | .join_mesh = ieee80211_join_mesh, |
3105 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3106 | #endif |
9f1ba906 | 3107 | .change_bss = ieee80211_change_bss, |
31888487 | 3108 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3109 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3110 | .suspend = ieee80211_suspend, |
3111 | .resume = ieee80211_resume, | |
2a519311 | 3112 | .scan = ieee80211_scan, |
79f460ca LC |
3113 | .sched_scan_start = ieee80211_sched_scan_start, |
3114 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3115 | .auth = ieee80211_auth, |
3116 | .assoc = ieee80211_assoc, | |
3117 | .deauth = ieee80211_deauth, | |
3118 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3119 | .join_ibss = ieee80211_join_ibss, |
3120 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 3121 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3122 | .set_tx_power = ieee80211_set_tx_power, |
3123 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3124 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3125 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3126 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3127 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3128 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3129 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3130 | .remain_on_channel = ieee80211_remain_on_channel, |
3131 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3132 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3133 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3134 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3135 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3136 | .set_antenna = ieee80211_set_antenna, |
3137 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3138 | .set_ringparam = ieee80211_set_ringparam, |
3139 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3140 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3141 | .tdls_oper = ieee80211_tdls_oper, |
3142 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3143 | .probe_client = ieee80211_probe_client, |
b53be792 | 3144 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3145 | #ifdef CONFIG_PM |
3146 | .set_wakeup = ieee80211_set_wakeup, | |
3147 | #endif | |
b1ab7925 BG |
3148 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3149 | .get_et_stats = ieee80211_get_et_stats, | |
3150 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3151 | .get_channel = ieee80211_cfg_get_channel, |
f0706e82 | 3152 | }; |