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Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
d98ad83e | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
f0706e82 JB |
6 | * |
7 | * This file is GPLv2 as found in COPYING. | |
8 | */ | |
9 | ||
e8cbb4cb | 10 | #include <linux/ieee80211.h> |
f0706e82 JB |
11 | #include <linux/nl80211.h> |
12 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 13 | #include <linux/slab.h> |
881d966b | 14 | #include <net/net_namespace.h> |
5dfdaf58 | 15 | #include <linux/rcupdate.h> |
dfe018bf | 16 | #include <linux/if_ether.h> |
f0706e82 JB |
17 | #include <net/cfg80211.h> |
18 | #include "ieee80211_i.h" | |
24487981 | 19 | #include "driver-ops.h" |
e0eb6859 | 20 | #include "cfg.h" |
2c8dccc7 | 21 | #include "rate.h" |
c5dd9c2b | 22 | #include "mesh.h" |
02219b3a | 23 | #include "wme.h" |
c5dd9c2b | 24 | |
552bff0c JB |
25 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
26 | const char *name, | |
84efbb84 JB |
27 | enum nl80211_iftype type, |
28 | u32 *flags, | |
29 | struct vif_params *params) | |
f0706e82 JB |
30 | { |
31 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 32 | struct wireless_dev *wdev; |
8cc9a739 MW |
33 | struct ieee80211_sub_if_data *sdata; |
34 | int err; | |
f0706e82 | 35 | |
84efbb84 | 36 | err = ieee80211_if_add(local, name, &wdev, type, params); |
f9e10ce4 JB |
37 | if (err) |
38 | return ERR_PTR(err); | |
8cc9a739 | 39 | |
f9e10ce4 | 40 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 41 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
42 | sdata->u.mntr_flags = *flags; |
43 | } | |
44 | ||
84efbb84 | 45 | return wdev; |
f0706e82 JB |
46 | } |
47 | ||
84efbb84 | 48 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 49 | { |
84efbb84 | 50 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 51 | |
75636525 | 52 | return 0; |
f0706e82 JB |
53 | } |
54 | ||
e36d56b6 JB |
55 | static int ieee80211_change_iface(struct wiphy *wiphy, |
56 | struct net_device *dev, | |
2ec600d6 LCC |
57 | enum nl80211_iftype type, u32 *flags, |
58 | struct vif_params *params) | |
42613db7 | 59 | { |
9607e6b6 | 60 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 61 | int ret; |
42613db7 | 62 | |
05c914fe | 63 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
64 | if (ret) |
65 | return ret; | |
42613db7 | 66 | |
9bc383de JB |
67 | if (type == NL80211_IFTYPE_AP_VLAN && |
68 | params && params->use_4addr == 0) | |
a9b3cd7f | 69 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
70 | else if (type == NL80211_IFTYPE_STATION && |
71 | params && params->use_4addr >= 0) | |
72 | sdata->u.mgd.use_4addr = params->use_4addr; | |
73 | ||
85416a4f CL |
74 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
75 | struct ieee80211_local *local = sdata->local; | |
76 | ||
77 | if (ieee80211_sdata_running(sdata)) { | |
31eba5bc FF |
78 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
79 | MONITOR_FLAG_ACTIVE; | |
80 | ||
85416a4f | 81 | /* |
31eba5bc FF |
82 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
83 | * MONITOR_FLAG_ACTIVE to be changed while the | |
84 | * interface is up. | |
85416a4f CL |
85 | * Else we would need to add a lot of cruft |
86 | * to update everything: | |
87 | * cooked_mntrs, monitor and all fif_* counters | |
88 | * reconfigure hardware | |
89 | */ | |
31eba5bc | 90 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
85416a4f CL |
91 | return -EBUSY; |
92 | ||
93 | ieee80211_adjust_monitor_flags(sdata, -1); | |
94 | sdata->u.mntr_flags = *flags; | |
95 | ieee80211_adjust_monitor_flags(sdata, 1); | |
96 | ||
97 | ieee80211_configure_filter(local); | |
98 | } else { | |
99 | /* | |
100 | * Because the interface is down, ieee80211_do_stop | |
101 | * and ieee80211_do_open take care of "everything" | |
102 | * mentioned in the comment above. | |
103 | */ | |
104 | sdata->u.mntr_flags = *flags; | |
105 | } | |
106 | } | |
f7917af9 | 107 | |
42613db7 JB |
108 | return 0; |
109 | } | |
110 | ||
f142c6b9 JB |
111 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
112 | struct wireless_dev *wdev) | |
113 | { | |
b6a55015 LC |
114 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
115 | int ret; | |
116 | ||
117 | mutex_lock(&sdata->local->chanctx_mtx); | |
118 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
119 | mutex_unlock(&sdata->local->chanctx_mtx); | |
120 | if (ret < 0) | |
121 | return ret; | |
122 | ||
f142c6b9 JB |
123 | return ieee80211_do_open(wdev, true); |
124 | } | |
125 | ||
126 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
127 | struct wireless_dev *wdev) | |
128 | { | |
129 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
130 | } | |
131 | ||
b53be792 SW |
132 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
133 | struct net_device *dev, | |
134 | u16 noack_map) | |
135 | { | |
136 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
137 | ||
138 | sdata->noack_map = noack_map; | |
139 | return 0; | |
140 | } | |
141 | ||
e8cbb4cb | 142 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 143 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
144 | struct key_params *params) |
145 | { | |
26a58456 | 146 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 147 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 148 | struct sta_info *sta = NULL; |
2475b1cc | 149 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 150 | struct ieee80211_key *key; |
3b96766f | 151 | int err; |
e8cbb4cb | 152 | |
26a58456 | 153 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
154 | return -ENETDOWN; |
155 | ||
97359d12 | 156 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
157 | switch (params->cipher) { |
158 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 159 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 160 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 161 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 162 | return -EINVAL; |
3cfcf6ac | 163 | break; |
2475b1cc MS |
164 | case WLAN_CIPHER_SUITE_CCMP: |
165 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
166 | case WLAN_CIPHER_SUITE_GCMP: | |
167 | break; | |
e8cbb4cb | 168 | default: |
2475b1cc | 169 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 170 | break; |
e8cbb4cb JB |
171 | } |
172 | ||
97359d12 | 173 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
174 | params->key, params->seq_len, params->seq, |
175 | cs); | |
1ac62ba7 BH |
176 | if (IS_ERR(key)) |
177 | return PTR_ERR(key); | |
db4d1169 | 178 | |
e31b8213 JB |
179 | if (pairwise) |
180 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
181 | ||
2475b1cc | 182 | mutex_lock(&local->sta_mtx); |
3b96766f | 183 | |
e8cbb4cb | 184 | if (mac_addr) { |
ff973af7 TP |
185 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
186 | sta = sta_info_get(sdata, mac_addr); | |
187 | else | |
188 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
189 | /* |
190 | * The ASSOC test makes sure the driver is ready to | |
191 | * receive the key. When wpa_supplicant has roamed | |
192 | * using FT, it attempts to set the key before | |
193 | * association has completed, this rejects that attempt | |
d070f913 | 194 | * so it will set the key again after association. |
1626e0fa JB |
195 | * |
196 | * TODO: accept the key if we have a station entry and | |
197 | * add it to the device after the station. | |
198 | */ | |
199 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 200 | ieee80211_key_free_unused(key); |
3b96766f JB |
201 | err = -ENOENT; |
202 | goto out_unlock; | |
db4d1169 | 203 | } |
e8cbb4cb JB |
204 | } |
205 | ||
e548c49e JB |
206 | switch (sdata->vif.type) { |
207 | case NL80211_IFTYPE_STATION: | |
208 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
209 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
210 | break; | |
211 | case NL80211_IFTYPE_AP: | |
212 | case NL80211_IFTYPE_AP_VLAN: | |
213 | /* Keys without a station are used for TX only */ | |
214 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
215 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
216 | break; | |
217 | case NL80211_IFTYPE_ADHOC: | |
218 | /* no MFP (yet) */ | |
219 | break; | |
220 | case NL80211_IFTYPE_MESH_POINT: | |
221 | #ifdef CONFIG_MAC80211_MESH | |
222 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
223 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
224 | break; | |
225 | #endif | |
226 | case NL80211_IFTYPE_WDS: | |
227 | case NL80211_IFTYPE_MONITOR: | |
228 | case NL80211_IFTYPE_P2P_DEVICE: | |
229 | case NL80211_IFTYPE_UNSPECIFIED: | |
230 | case NUM_NL80211_IFTYPES: | |
231 | case NL80211_IFTYPE_P2P_CLIENT: | |
232 | case NL80211_IFTYPE_P2P_GO: | |
6e0bd6c3 | 233 | case NL80211_IFTYPE_OCB: |
e548c49e JB |
234 | /* shouldn't happen */ |
235 | WARN_ON_ONCE(1); | |
236 | break; | |
237 | } | |
238 | ||
2475b1cc MS |
239 | if (sta) |
240 | sta->cipher_scheme = cs; | |
241 | ||
3ffc2a90 | 242 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 243 | |
3b96766f | 244 | out_unlock: |
2475b1cc | 245 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
246 | |
247 | return err; | |
e8cbb4cb JB |
248 | } |
249 | ||
250 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 251 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 252 | { |
5c0c3641 JB |
253 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
254 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 255 | struct sta_info *sta; |
5c0c3641 | 256 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
257 | int ret; |
258 | ||
5c0c3641 JB |
259 | mutex_lock(&local->sta_mtx); |
260 | mutex_lock(&local->key_mtx); | |
3b96766f | 261 | |
e8cbb4cb | 262 | if (mac_addr) { |
3b96766f JB |
263 | ret = -ENOENT; |
264 | ||
0e5ded5a | 265 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 266 | if (!sta) |
3b96766f | 267 | goto out_unlock; |
e8cbb4cb | 268 | |
5c0c3641 | 269 | if (pairwise) |
2475b1cc | 270 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 271 | else |
40b275b6 | 272 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 273 | } else |
40b275b6 | 274 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 275 | |
5c0c3641 | 276 | if (!key) { |
3b96766f JB |
277 | ret = -ENOENT; |
278 | goto out_unlock; | |
279 | } | |
e8cbb4cb | 280 | |
3b8d9c29 | 281 | ieee80211_key_free(key, true); |
e8cbb4cb | 282 | |
3b96766f JB |
283 | ret = 0; |
284 | out_unlock: | |
5c0c3641 JB |
285 | mutex_unlock(&local->key_mtx); |
286 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
287 | |
288 | return ret; | |
e8cbb4cb JB |
289 | } |
290 | ||
62da92fb | 291 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
292 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
293 | void *cookie, | |
62da92fb JB |
294 | void (*callback)(void *cookie, |
295 | struct key_params *params)) | |
296 | { | |
14db74bc | 297 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
298 | struct sta_info *sta = NULL; |
299 | u8 seq[6] = {0}; | |
300 | struct key_params params; | |
e31b8213 | 301 | struct ieee80211_key *key = NULL; |
aba83a0b | 302 | u64 pn64; |
62da92fb JB |
303 | u32 iv32; |
304 | u16 iv16; | |
305 | int err = -ENOENT; | |
306 | ||
14db74bc JB |
307 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
308 | ||
3b96766f JB |
309 | rcu_read_lock(); |
310 | ||
62da92fb | 311 | if (mac_addr) { |
0e5ded5a | 312 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
313 | if (!sta) |
314 | goto out; | |
315 | ||
354e159d | 316 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 317 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
318 | else if (!pairwise && |
319 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 320 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 321 | } else |
a3836e02 | 322 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
323 | |
324 | if (!key) | |
325 | goto out; | |
326 | ||
327 | memset(¶ms, 0, sizeof(params)); | |
328 | ||
97359d12 | 329 | params.cipher = key->conf.cipher; |
62da92fb | 330 | |
97359d12 JB |
331 | switch (key->conf.cipher) { |
332 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
333 | iv32 = key->u.tkip.tx.iv32; |
334 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 335 | |
24487981 JB |
336 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
337 | drv_get_tkip_seq(sdata->local, | |
338 | key->conf.hw_key_idx, | |
339 | &iv32, &iv16); | |
62da92fb JB |
340 | |
341 | seq[0] = iv16 & 0xff; | |
342 | seq[1] = (iv16 >> 8) & 0xff; | |
343 | seq[2] = iv32 & 0xff; | |
344 | seq[3] = (iv32 >> 8) & 0xff; | |
345 | seq[4] = (iv32 >> 16) & 0xff; | |
346 | seq[5] = (iv32 >> 24) & 0xff; | |
347 | params.seq = seq; | |
348 | params.seq_len = 6; | |
349 | break; | |
97359d12 | 350 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
351 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
352 | seq[0] = pn64; | |
353 | seq[1] = pn64 >> 8; | |
354 | seq[2] = pn64 >> 16; | |
355 | seq[3] = pn64 >> 24; | |
356 | seq[4] = pn64 >> 32; | |
357 | seq[5] = pn64 >> 40; | |
62da92fb JB |
358 | params.seq = seq; |
359 | params.seq_len = 6; | |
360 | break; | |
97359d12 | 361 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
362 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
363 | seq[0] = pn64; | |
364 | seq[1] = pn64 >> 8; | |
365 | seq[2] = pn64 >> 16; | |
366 | seq[3] = pn64 >> 24; | |
367 | seq[4] = pn64 >> 32; | |
368 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
369 | params.seq = seq; |
370 | params.seq_len = 6; | |
371 | break; | |
62da92fb JB |
372 | } |
373 | ||
374 | params.key = key->conf.key; | |
375 | params.key_len = key->conf.keylen; | |
376 | ||
377 | callback(cookie, ¶ms); | |
378 | err = 0; | |
379 | ||
380 | out: | |
3b96766f | 381 | rcu_read_unlock(); |
62da92fb JB |
382 | return err; |
383 | } | |
384 | ||
e8cbb4cb JB |
385 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
386 | struct net_device *dev, | |
dbd2fd65 JB |
387 | u8 key_idx, bool uni, |
388 | bool multi) | |
e8cbb4cb | 389 | { |
ad0e2b5a | 390 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 391 | |
f7e0104c | 392 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
393 | |
394 | return 0; | |
395 | } | |
396 | ||
3cfcf6ac JM |
397 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
398 | struct net_device *dev, | |
399 | u8 key_idx) | |
400 | { | |
66c52421 | 401 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 402 | |
3cfcf6ac JM |
403 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
404 | ||
3cfcf6ac JM |
405 | return 0; |
406 | } | |
407 | ||
6b62bf32 TP |
408 | void sta_set_rate_info_tx(struct sta_info *sta, |
409 | const struct ieee80211_tx_rate *rate, | |
410 | struct rate_info *rinfo) | |
411 | { | |
412 | rinfo->flags = 0; | |
8bc83c24 | 413 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 414 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
415 | rinfo->mcs = rate->idx; |
416 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
417 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
418 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
419 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
420 | } else { | |
421 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
422 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
423 | u16 brate; | |
424 | ||
8bc83c24 JB |
425 | sband = sta->local->hw.wiphy->bands[ |
426 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
427 | brate = sband->bitrates[rate->idx].bitrate; |
428 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 429 | } |
6b62bf32 TP |
430 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
431 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
432 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
433 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
434 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
435 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
436 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
437 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
438 | } |
439 | ||
003e676a S |
440 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
441 | { | |
442 | rinfo->flags = 0; | |
443 | ||
444 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
445 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
446 | rinfo->mcs = sta->last_rx_rate_idx; | |
447 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
448 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
449 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
450 | rinfo->mcs = sta->last_rx_rate_idx; | |
451 | } else { | |
452 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
453 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
454 | u16 brate; | |
003e676a S |
455 | |
456 | sband = sta->local->hw.wiphy->bands[ | |
457 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
458 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
459 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
003e676a S |
460 | } |
461 | ||
462 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
463 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
464 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
465 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1b8d242a | 466 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) |
003e676a | 467 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; |
1b8d242a | 468 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ) |
003e676a | 469 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; |
1b8d242a | 470 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) |
003e676a S |
471 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; |
472 | } | |
473 | ||
c5dd9c2b | 474 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 475 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 476 | { |
3b53fde8 | 477 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 478 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 479 | struct sta_info *sta; |
d0709a65 JB |
480 | int ret = -ENOENT; |
481 | ||
66572cfc | 482 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 483 | |
3b53fde8 | 484 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
485 | if (sta) { |
486 | ret = 0; | |
17741cdc | 487 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
488 | sta_set_sinfo(sta, sinfo); |
489 | } | |
c5dd9c2b | 490 | |
66572cfc | 491 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 492 | |
d0709a65 | 493 | return ret; |
c5dd9c2b LCC |
494 | } |
495 | ||
1289723e HS |
496 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
497 | int idx, struct survey_info *survey) | |
498 | { | |
499 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
500 | ||
1289723e HS |
501 | return drv_get_survey(local, idx, survey); |
502 | } | |
503 | ||
7bbdd2d9 | 504 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 505 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 506 | { |
abe60632 | 507 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 508 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 509 | struct sta_info *sta; |
d0709a65 | 510 | int ret = -ENOENT; |
7bbdd2d9 | 511 | |
66572cfc | 512 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 513 | |
0e5ded5a | 514 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
515 | if (sta) { |
516 | ret = 0; | |
517 | sta_set_sinfo(sta, sinfo); | |
518 | } | |
519 | ||
66572cfc | 520 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
521 | |
522 | return ret; | |
7bbdd2d9 JB |
523 | } |
524 | ||
55de908a | 525 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 526 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
527 | { |
528 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
529 | struct ieee80211_sub_if_data *sdata; |
530 | int ret = 0; | |
3d9e6e12 | 531 | |
4bf88530 | 532 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 533 | return 0; |
3d9e6e12 | 534 | |
34a3740d | 535 | mutex_lock(&local->mtx); |
55de908a JB |
536 | mutex_lock(&local->iflist_mtx); |
537 | if (local->use_chanctx) { | |
538 | sdata = rcu_dereference_protected( | |
539 | local->monitor_sdata, | |
540 | lockdep_is_held(&local->iflist_mtx)); | |
541 | if (sdata) { | |
542 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 543 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
544 | IEEE80211_CHANCTX_EXCLUSIVE); |
545 | } | |
546 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 547 | local->_oper_chandef = *chandef; |
55de908a JB |
548 | ieee80211_hw_config(local, 0); |
549 | } | |
3d9e6e12 | 550 | |
4bf88530 JB |
551 | if (ret == 0) |
552 | local->monitor_chandef = *chandef; | |
55de908a | 553 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 554 | mutex_unlock(&local->mtx); |
3d9e6e12 | 555 | |
55de908a | 556 | return ret; |
e8c9bd5b JB |
557 | } |
558 | ||
02945821 | 559 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
560 | const u8 *resp, size_t resp_len, |
561 | const struct ieee80211_csa_settings *csa) | |
02945821 | 562 | { |
aa7a0080 | 563 | struct probe_resp *new, *old; |
02945821 AN |
564 | |
565 | if (!resp || !resp_len) | |
aba4e6ff | 566 | return 1; |
02945821 | 567 | |
7ca133bc | 568 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 569 | |
aa7a0080 | 570 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
571 | if (!new) |
572 | return -ENOMEM; | |
573 | ||
aa7a0080 ES |
574 | new->len = resp_len; |
575 | memcpy(new->data, resp, resp_len); | |
02945821 | 576 | |
af296bdb MK |
577 | if (csa) |
578 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
579 | csa->n_counter_offsets_presp * | |
580 | sizeof(new->csa_counter_offsets[0])); | |
581 | ||
02945821 | 582 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
583 | if (old) |
584 | kfree_rcu(old, rcu_head); | |
02945821 AN |
585 | |
586 | return 0; | |
587 | } | |
588 | ||
0ae07968 | 589 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
590 | struct cfg80211_beacon_data *params, |
591 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
592 | { |
593 | struct beacon_data *new, *old; | |
594 | int new_head_len, new_tail_len; | |
8860020e JB |
595 | int size, err; |
596 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 597 | |
7ca133bc SW |
598 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
599 | ||
5dfdaf58 | 600 | |
5dfdaf58 JB |
601 | /* Need to have a beacon head if we don't have one yet */ |
602 | if (!params->head && !old) | |
8860020e | 603 | return -EINVAL; |
5dfdaf58 JB |
604 | |
605 | /* new or old head? */ | |
606 | if (params->head) | |
607 | new_head_len = params->head_len; | |
608 | else | |
609 | new_head_len = old->head_len; | |
610 | ||
611 | /* new or old tail? */ | |
612 | if (params->tail || !old) | |
613 | /* params->tail_len will be zero for !params->tail */ | |
614 | new_tail_len = params->tail_len; | |
615 | else | |
616 | new_tail_len = old->tail_len; | |
617 | ||
618 | size = sizeof(*new) + new_head_len + new_tail_len; | |
619 | ||
620 | new = kzalloc(size, GFP_KERNEL); | |
621 | if (!new) | |
622 | return -ENOMEM; | |
623 | ||
624 | /* start filling the new info now */ | |
625 | ||
5dfdaf58 JB |
626 | /* |
627 | * pointers go into the block we allocated, | |
628 | * memory is | beacon_data | head | tail | | |
629 | */ | |
630 | new->head = ((u8 *) new) + sizeof(*new); | |
631 | new->tail = new->head + new_head_len; | |
632 | new->head_len = new_head_len; | |
633 | new->tail_len = new_tail_len; | |
634 | ||
af296bdb MK |
635 | if (csa) { |
636 | new->csa_current_counter = csa->count; | |
637 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
638 | csa->n_counter_offsets_beacon * | |
639 | sizeof(new->csa_counter_offsets[0])); | |
640 | } | |
641 | ||
5dfdaf58 JB |
642 | /* copy in head */ |
643 | if (params->head) | |
644 | memcpy(new->head, params->head, new_head_len); | |
645 | else | |
646 | memcpy(new->head, old->head, new_head_len); | |
647 | ||
648 | /* copy in optional tail */ | |
649 | if (params->tail) | |
650 | memcpy(new->tail, params->tail, new_tail_len); | |
651 | else | |
652 | if (old) | |
653 | memcpy(new->tail, old->tail, new_tail_len); | |
654 | ||
02945821 | 655 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 656 | params->probe_resp_len, csa); |
8860020e JB |
657 | if (err < 0) |
658 | return err; | |
659 | if (err == 0) | |
02945821 AN |
660 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
661 | ||
8860020e JB |
662 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
663 | ||
664 | if (old) | |
665 | kfree_rcu(old, rcu_head); | |
7827493b | 666 | |
8860020e | 667 | return changed; |
5dfdaf58 JB |
668 | } |
669 | ||
8860020e JB |
670 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
671 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 672 | { |
8860020e | 673 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 674 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 675 | struct beacon_data *old; |
665c93a9 | 676 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
677 | u32 changed = BSS_CHANGED_BEACON_INT | |
678 | BSS_CHANGED_BEACON_ENABLED | | |
679 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
680 | BSS_CHANGED_SSID | |
681 | BSS_CHANGED_P2P_PS; | |
8860020e | 682 | int err; |
14db74bc | 683 | |
7ca133bc | 684 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
685 | if (old) |
686 | return -EALREADY; | |
687 | ||
f6993174 EP |
688 | switch (params->smps_mode) { |
689 | case NL80211_SMPS_OFF: | |
690 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
691 | break; | |
692 | case NL80211_SMPS_STATIC: | |
693 | sdata->smps_mode = IEEE80211_SMPS_STATIC; | |
694 | break; | |
695 | case NL80211_SMPS_DYNAMIC: | |
696 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; | |
697 | break; | |
698 | default: | |
699 | return -EINVAL; | |
700 | } | |
04ecd257 JB |
701 | sdata->needed_rx_chains = sdata->local->rx_chains; |
702 | ||
34a3740d | 703 | mutex_lock(&local->mtx); |
4bf88530 | 704 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 705 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
706 | if (!err) |
707 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 708 | mutex_unlock(&local->mtx); |
aa430da4 JB |
709 | if (err) |
710 | return err; | |
711 | ||
665c93a9 JB |
712 | /* |
713 | * Apply control port protocol, this allows us to | |
714 | * not encrypt dynamic WEP control frames. | |
715 | */ | |
716 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
717 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
718 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
719 | ¶ms->crypto, | |
720 | sdata->vif.type); | |
721 | ||
665c93a9 JB |
722 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
723 | vlan->control_port_protocol = | |
724 | params->crypto.control_port_ethertype; | |
725 | vlan->control_port_no_encrypt = | |
726 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
727 | vlan->encrypt_headroom = |
728 | ieee80211_cs_headroom(sdata->local, | |
729 | ¶ms->crypto, | |
730 | vlan->vif.type); | |
665c93a9 JB |
731 | } |
732 | ||
8860020e JB |
733 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
734 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 735 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
736 | |
737 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
738 | if (params->ssid_len) | |
739 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
740 | params->ssid_len); | |
741 | sdata->vif.bss_conf.hidden_ssid = | |
742 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
743 | ||
67baf663 JD |
744 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
745 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
746 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
747 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
748 | if (params->p2p_opp_ps) | |
749 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
750 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 751 | |
af296bdb | 752 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
753 | if (err < 0) { |
754 | ieee80211_vif_release_channel(sdata); | |
8860020e | 755 | return err; |
0297ea17 | 756 | } |
8860020e JB |
757 | changed |= err; |
758 | ||
1041638f JB |
759 | err = drv_start_ap(sdata->local, sdata); |
760 | if (err) { | |
7ca133bc SW |
761 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
762 | ||
1041638f JB |
763 | if (old) |
764 | kfree_rcu(old, rcu_head); | |
765 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 766 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
767 | return err; |
768 | } | |
769 | ||
057d5f4b | 770 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
771 | ieee80211_bss_info_change_notify(sdata, changed); |
772 | ||
3edaf3e6 JB |
773 | netif_carrier_on(dev); |
774 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
775 | netif_carrier_on(vlan->dev); | |
776 | ||
665c93a9 | 777 | return 0; |
5dfdaf58 JB |
778 | } |
779 | ||
8860020e JB |
780 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
781 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 782 | { |
14db74bc | 783 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 784 | struct beacon_data *old; |
8860020e | 785 | int err; |
5dfdaf58 | 786 | |
14db74bc | 787 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 788 | sdata_assert_lock(sdata); |
14db74bc | 789 | |
73da7d5b SW |
790 | /* don't allow changing the beacon while CSA is in place - offset |
791 | * of channel switch counter may change | |
792 | */ | |
793 | if (sdata->vif.csa_active) | |
794 | return -EBUSY; | |
795 | ||
7ca133bc | 796 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
797 | if (!old) |
798 | return -ENOENT; | |
799 | ||
af296bdb | 800 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
801 | if (err < 0) |
802 | return err; | |
803 | ieee80211_bss_info_change_notify(sdata, err); | |
804 | return 0; | |
5dfdaf58 JB |
805 | } |
806 | ||
8860020e | 807 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 808 | { |
7b20b8e8 JB |
809 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
810 | struct ieee80211_sub_if_data *vlan; | |
811 | struct ieee80211_local *local = sdata->local; | |
812 | struct beacon_data *old_beacon; | |
813 | struct probe_resp *old_probe_resp; | |
d2859df5 | 814 | struct cfg80211_chan_def chandef; |
14db74bc | 815 | |
dbd72850 MK |
816 | sdata_assert_lock(sdata); |
817 | ||
7ca133bc | 818 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 819 | if (!old_beacon) |
5dfdaf58 | 820 | return -ENOENT; |
7ca133bc | 821 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 822 | |
73da7d5b | 823 | /* abort any running channel switch */ |
59af6928 | 824 | mutex_lock(&local->mtx); |
73da7d5b | 825 | sdata->vif.csa_active = false; |
a46992b4 LC |
826 | if (sdata->csa_block_tx) { |
827 | ieee80211_wake_vif_queues(local, sdata, | |
828 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
829 | sdata->csa_block_tx = false; | |
830 | } | |
831 | ||
59af6928 MK |
832 | mutex_unlock(&local->mtx); |
833 | ||
1f3b8a2b SW |
834 | kfree(sdata->u.ap.next_beacon); |
835 | sdata->u.ap.next_beacon = NULL; | |
836 | ||
7b20b8e8 | 837 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
838 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
839 | netif_carrier_off(vlan->dev); | |
840 | netif_carrier_off(dev); | |
841 | ||
7b20b8e8 | 842 | /* remove beacon and probe response */ |
a9b3cd7f | 843 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
844 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
845 | kfree_rcu(old_beacon, rcu_head); | |
846 | if (old_probe_resp) | |
847 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 848 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 849 | |
e716251d | 850 | __sta_info_flush(sdata, true); |
7907c7d3 | 851 | ieee80211_free_keys(sdata, true); |
75de9113 | 852 | |
d6a83228 | 853 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 854 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 855 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 856 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 857 | |
a6b368f6 | 858 | if (sdata->wdev.cac_started) { |
d2859df5 | 859 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 860 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
861 | cfg80211_cac_event(sdata->dev, &chandef, |
862 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
863 | GFP_KERNEL); |
864 | } | |
865 | ||
1041638f JB |
866 | drv_stop_ap(sdata->local, sdata); |
867 | ||
7b20b8e8 JB |
868 | /* free all potentially still buffered bcast frames */ |
869 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
870 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
871 | ||
34a3740d | 872 | mutex_lock(&local->mtx); |
4e141dad | 873 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 874 | ieee80211_vif_release_channel(sdata); |
34a3740d | 875 | mutex_unlock(&local->mtx); |
55de908a | 876 | |
2d0ddec5 | 877 | return 0; |
5dfdaf58 JB |
878 | } |
879 | ||
4fd6931e JB |
880 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
881 | struct iapp_layer2_update { | |
882 | u8 da[ETH_ALEN]; /* broadcast */ | |
883 | u8 sa[ETH_ALEN]; /* STA addr */ | |
884 | __be16 len; /* 6 */ | |
885 | u8 dsap; /* 0 */ | |
886 | u8 ssap; /* 0 */ | |
887 | u8 control; | |
888 | u8 xid_info[3]; | |
bc10502d | 889 | } __packed; |
4fd6931e JB |
890 | |
891 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
892 | { | |
893 | struct iapp_layer2_update *msg; | |
894 | struct sk_buff *skb; | |
895 | ||
896 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
897 | * bridge devices */ | |
898 | ||
899 | skb = dev_alloc_skb(sizeof(*msg)); | |
900 | if (!skb) | |
901 | return; | |
902 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
903 | ||
904 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
905 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
906 | ||
e83e6541 | 907 | eth_broadcast_addr(msg->da); |
17741cdc | 908 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
909 | msg->len = htons(6); |
910 | msg->dsap = 0; | |
911 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
912 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
913 | * F=0 (no poll command; unsolicited frame) */ | |
914 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
915 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
916 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
917 | ||
d0709a65 JB |
918 | skb->dev = sta->sdata->dev; |
919 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 920 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 921 | netif_rx_ni(skb); |
4fd6931e JB |
922 | } |
923 | ||
d582cffb JB |
924 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
925 | struct sta_info *sta, | |
926 | u32 mask, u32 set) | |
927 | { | |
928 | int ret; | |
929 | ||
930 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
931 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
932 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
933 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
934 | if (ret) | |
935 | return ret; | |
936 | } | |
937 | ||
938 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
939 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
940 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
941 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
942 | if (ret) | |
943 | return ret; | |
944 | } | |
945 | ||
946 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
947 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
948 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
949 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
950 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
951 | else | |
952 | ret = 0; | |
953 | if (ret) | |
954 | return ret; | |
955 | } | |
956 | ||
957 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
958 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
959 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
960 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
961 | if (ret) | |
962 | return ret; | |
963 | } | |
964 | ||
965 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
966 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
967 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
968 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
969 | if (ret) | |
970 | return ret; | |
971 | } | |
972 | ||
973 | return 0; | |
974 | } | |
975 | ||
d9a7ddb0 JB |
976 | static int sta_apply_parameters(struct ieee80211_local *local, |
977 | struct sta_info *sta, | |
978 | struct station_parameters *params) | |
4fd6931e | 979 | { |
d9a7ddb0 | 980 | int ret = 0; |
8318d78a | 981 | struct ieee80211_supported_band *sband; |
d0709a65 | 982 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 983 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 984 | u32 mask, set; |
4fd6931e | 985 | |
55de908a | 986 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 987 | |
eccb8e8f JB |
988 | mask = params->sta_flags_mask; |
989 | set = params->sta_flags_set; | |
73651ee6 | 990 | |
d582cffb JB |
991 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
992 | /* | |
993 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
994 | * API but must follow AUTHENTICATED for driver state. | |
995 | */ | |
996 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
997 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
998 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
999 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1000 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1001 | /* | |
1002 | * TDLS -- everything follows authorized, but | |
1003 | * only becoming authorized is possible, not | |
1004 | * going back | |
1005 | */ | |
1006 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1007 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1008 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1009 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1010 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1011 | } | |
eccb8e8f | 1012 | } |
4fd6931e | 1013 | |
68885a54 AN |
1014 | /* auth flags will be set later for TDLS stations */ |
1015 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1016 | ret = sta_apply_auth_flags(local, sta, mask, set); | |
1017 | if (ret) | |
1018 | return ret; | |
1019 | } | |
d9a7ddb0 | 1020 | |
eccb8e8f | 1021 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1022 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1023 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1024 | else | |
1025 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1026 | } |
4fd6931e | 1027 | |
a74a8c84 JB |
1028 | if (mask & BIT(NL80211_STA_FLAG_WME)) |
1029 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
5394af4d | 1030 | |
eccb8e8f | 1031 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1032 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1033 | set_sta_flag(sta, WLAN_STA_MFP); |
1034 | else | |
1035 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1036 | } |
b39c48fa | 1037 | |
07ba55d7 | 1038 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1039 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1040 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1041 | else | |
1042 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1043 | } |
4fd6931e | 1044 | |
9041c1fa AN |
1045 | /* mark TDLS channel switch support, if the AP allows it */ |
1046 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1047 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1048 | params->ext_capab_len >= 4 && | |
1049 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1050 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1051 | ||
3b9ce80c JB |
1052 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1053 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1054 | sta->sta.max_sp = params->max_sp; | |
1055 | } | |
9533b4ac | 1056 | |
51b50fbe JB |
1057 | /* |
1058 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1059 | * only when creating a new station entry | |
1060 | */ | |
1061 | if (params->aid) | |
1062 | sta->sta.aid = params->aid; | |
1063 | ||
73651ee6 | 1064 | /* |
ba23d206 JB |
1065 | * Some of the following updates would be racy if called on an |
1066 | * existing station, via ieee80211_change_station(). However, | |
1067 | * all such changes are rejected by cfg80211 except for updates | |
1068 | * changing the supported rates on an existing but not yet used | |
1069 | * TDLS peer. | |
73651ee6 JB |
1070 | */ |
1071 | ||
4fd6931e JB |
1072 | if (params->listen_interval >= 0) |
1073 | sta->listen_interval = params->listen_interval; | |
1074 | ||
1075 | if (params->supported_rates) { | |
2103dec1 SW |
1076 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1077 | sband, params->supported_rates, | |
1078 | params->supported_rates_len, | |
1079 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1080 | } |
c5dd9c2b | 1081 | |
d9fe60de | 1082 | if (params->ht_capa) |
ef96a842 | 1083 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1084 | params->ht_capa, sta); |
36aedc90 | 1085 | |
f461be3e MP |
1086 | if (params->vht_capa) |
1087 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1088 | params->vht_capa, sta); |
f461be3e | 1089 | |
b1bce14a | 1090 | if (params->opmode_notif_used) { |
b1bce14a MK |
1091 | /* returned value is only needed for rc update, but the |
1092 | * rc isn't initialized here yet, so ignore it | |
1093 | */ | |
1094 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1095 | params->opmode_notif, | |
1096 | band, false); | |
1097 | } | |
1098 | ||
9c3990aa | 1099 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1100 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1101 | u32 changed = 0; |
77ee7c89 JB |
1102 | |
1103 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1104 | switch (params->plink_state) { |
57cf8043 | 1105 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1106 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1107 | changed = mesh_plink_inc_estab_count( | |
1108 | sdata); | |
1109 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1110 | |
1111 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1112 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1113 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1114 | break; |
1115 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1116 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1117 | case NL80211_PLINK_OPN_SNT: |
1118 | case NL80211_PLINK_OPN_RCVD: | |
1119 | case NL80211_PLINK_CNF_RCVD: | |
1120 | case NL80211_PLINK_HOLDING: | |
1121 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1122 | changed = mesh_plink_dec_estab_count( | |
1123 | sdata); | |
9c3990aa | 1124 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1125 | |
1126 | ieee80211_mps_sta_status_update(sta); | |
446075d7 MP |
1127 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1128 | NL80211_MESH_POWER_UNKNOWN); | |
9c3990aa JC |
1129 | break; |
1130 | default: | |
1131 | /* nothing */ | |
1132 | break; | |
1133 | } | |
77ee7c89 JB |
1134 | } |
1135 | ||
1136 | switch (params->plink_action) { | |
1137 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1138 | /* nothing */ | |
1139 | break; | |
1140 | case NL80211_PLINK_ACTION_OPEN: | |
1141 | changed |= mesh_plink_open(sta); | |
1142 | break; | |
1143 | case NL80211_PLINK_ACTION_BLOCK: | |
1144 | changed |= mesh_plink_block(sta); | |
1145 | break; | |
1617bab8 | 1146 | } |
3f52b7e3 MP |
1147 | |
1148 | if (params->local_pm) | |
39886b61 TP |
1149 | changed |= |
1150 | ieee80211_mps_set_sta_local_pm(sta, | |
1151 | params->local_pm); | |
6c751ef8 | 1152 | ieee80211_mbss_info_change_notify(sdata, changed); |
4daf50f2 | 1153 | #endif |
902acc78 | 1154 | } |
d9a7ddb0 | 1155 | |
68885a54 AN |
1156 | /* set the STA state after all sta info from usermode has been set */ |
1157 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1158 | ret = sta_apply_auth_flags(local, sta, mask, set); | |
1159 | if (ret) | |
1160 | return ret; | |
1161 | } | |
1162 | ||
d9a7ddb0 | 1163 | return 0; |
4fd6931e JB |
1164 | } |
1165 | ||
1166 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1167 | const u8 *mac, |
1168 | struct station_parameters *params) | |
4fd6931e | 1169 | { |
14db74bc | 1170 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1171 | struct sta_info *sta; |
1172 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1173 | int err; |
b8d476c8 | 1174 | int layer2_update; |
4fd6931e | 1175 | |
4fd6931e JB |
1176 | if (params->vlan) { |
1177 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1178 | ||
05c914fe JB |
1179 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1180 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1181 | return -EINVAL; |
1182 | } else | |
1183 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1184 | ||
b203ca39 | 1185 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1186 | return -EINVAL; |
1187 | ||
1188 | if (is_multicast_ether_addr(mac)) | |
1189 | return -EINVAL; | |
1190 | ||
1191 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1192 | if (!sta) |
1193 | return -ENOMEM; | |
4fd6931e | 1194 | |
d582cffb JB |
1195 | /* |
1196 | * defaults -- if userspace wants something else we'll | |
1197 | * change it accordingly in sta_apply_parameters() | |
1198 | */ | |
77ee7c89 JB |
1199 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1200 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1201 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
0c4972cc AN |
1202 | } else { |
1203 | sta->sta.tdls = true; | |
77ee7c89 | 1204 | } |
4fd6931e | 1205 | |
d9a7ddb0 JB |
1206 | err = sta_apply_parameters(local, sta, params); |
1207 | if (err) { | |
1208 | sta_info_free(local, sta); | |
1209 | return err; | |
1210 | } | |
4fd6931e | 1211 | |
d64cf63e | 1212 | /* |
77ee7c89 JB |
1213 | * for TDLS, rate control should be initialized only when |
1214 | * rates are known and station is marked authorized | |
d64cf63e AN |
1215 | */ |
1216 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1217 | rate_control_rate_init(sta); | |
4fd6931e | 1218 | |
b8d476c8 JM |
1219 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1220 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1221 | ||
34e89507 | 1222 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1223 | if (err) { |
73651ee6 JB |
1224 | rcu_read_unlock(); |
1225 | return err; | |
1226 | } | |
1227 | ||
b8d476c8 | 1228 | if (layer2_update) |
73651ee6 JB |
1229 | ieee80211_send_layer2_update(sta); |
1230 | ||
1231 | rcu_read_unlock(); | |
1232 | ||
4fd6931e JB |
1233 | return 0; |
1234 | } | |
1235 | ||
1236 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1237 | struct station_del_parameters *params) |
4fd6931e | 1238 | { |
14db74bc | 1239 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1240 | |
14db74bc JB |
1241 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1242 | ||
89c771e5 JM |
1243 | if (params->mac) |
1244 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1245 | |
b998e8bb | 1246 | sta_info_flush(sdata); |
4fd6931e JB |
1247 | return 0; |
1248 | } | |
1249 | ||
1250 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1251 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1252 | struct station_parameters *params) |
1253 | { | |
abe60632 | 1254 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1255 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1256 | struct sta_info *sta; |
1257 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1258 | enum cfg80211_station_type statype; |
35b88623 | 1259 | int err; |
4fd6931e | 1260 | |
87be1e1e | 1261 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1262 | |
0e5ded5a | 1263 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1264 | if (!sta) { |
77ee7c89 JB |
1265 | err = -ENOENT; |
1266 | goto out_err; | |
98dd6a57 | 1267 | } |
4fd6931e | 1268 | |
77ee7c89 JB |
1269 | switch (sdata->vif.type) { |
1270 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1271 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1272 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1273 | else |
eef941e6 | 1274 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1275 | break; |
1276 | case NL80211_IFTYPE_ADHOC: | |
1277 | statype = CFG80211_STA_IBSS; | |
1278 | break; | |
1279 | case NL80211_IFTYPE_STATION: | |
1280 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1281 | statype = CFG80211_STA_AP_STA; | |
1282 | break; | |
1283 | } | |
1284 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1285 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1286 | else | |
1287 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1288 | break; | |
1289 | case NL80211_IFTYPE_AP: | |
1290 | case NL80211_IFTYPE_AP_VLAN: | |
1291 | statype = CFG80211_STA_AP_CLIENT; | |
1292 | break; | |
1293 | default: | |
1294 | err = -EOPNOTSUPP; | |
1295 | goto out_err; | |
bdd90d5e JB |
1296 | } |
1297 | ||
77ee7c89 JB |
1298 | err = cfg80211_check_station_change(wiphy, params, statype); |
1299 | if (err) | |
1300 | goto out_err; | |
1301 | ||
d0709a65 | 1302 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1303 | bool prev_4addr = false; |
1304 | bool new_4addr = false; | |
1305 | ||
4fd6931e JB |
1306 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1307 | ||
9bc383de | 1308 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1309 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1310 | err = -EBUSY; |
1311 | goto out_err; | |
3305443c | 1312 | } |
f14543ee | 1313 | |
cf778b00 | 1314 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1315 | new_4addr = true; |
1316 | } | |
1317 | ||
1318 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1319 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1320 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1321 | prev_4addr = true; |
f14543ee FF |
1322 | } |
1323 | ||
14db74bc | 1324 | sta->sdata = vlansdata; |
7e3ed02c FF |
1325 | |
1326 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1327 | prev_4addr != new_4addr) { | |
1328 | if (new_4addr) | |
1329 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1330 | else | |
1331 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1332 | } | |
1333 | ||
4fd6931e JB |
1334 | ieee80211_send_layer2_update(sta); |
1335 | } | |
1336 | ||
35b88623 | 1337 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1338 | if (err) |
1339 | goto out_err; | |
4fd6931e | 1340 | |
77ee7c89 JB |
1341 | /* When peer becomes authorized, init rate control as well */ |
1342 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1343 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1344 | rate_control_rate_init(sta); |
1345 | ||
87be1e1e | 1346 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1347 | |
687da132 EG |
1348 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1349 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1350 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1351 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1352 | sta_info_tx_streams(sta) != 1) { | |
1353 | ht_dbg(sta->sdata, | |
1354 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1355 | sta->sta.addr); | |
1356 | ieee80211_send_smps_action(sta->sdata, | |
1357 | sta->sdata->bss->req_smps, | |
1358 | sta->sta.addr, | |
1359 | sta->sdata->vif.bss_conf.bssid); | |
1360 | } | |
1361 | ||
808118cb | 1362 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1363 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1364 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1365 | ieee80211_recalc_ps_vif(sdata); |
1366 | } | |
77ee7c89 | 1367 | |
4fd6931e | 1368 | return 0; |
77ee7c89 JB |
1369 | out_err: |
1370 | mutex_unlock(&local->sta_mtx); | |
1371 | return err; | |
4fd6931e JB |
1372 | } |
1373 | ||
c5dd9c2b LCC |
1374 | #ifdef CONFIG_MAC80211_MESH |
1375 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1376 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1377 | { |
14db74bc | 1378 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1379 | struct mesh_path *mpath; |
1380 | struct sta_info *sta; | |
c5dd9c2b | 1381 | |
14db74bc JB |
1382 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1383 | ||
d0709a65 | 1384 | rcu_read_lock(); |
abe60632 | 1385 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1386 | if (!sta) { |
1387 | rcu_read_unlock(); | |
c5dd9c2b | 1388 | return -ENOENT; |
d0709a65 | 1389 | } |
c5dd9c2b | 1390 | |
ae76eef0 BC |
1391 | mpath = mesh_path_add(sdata, dst); |
1392 | if (IS_ERR(mpath)) { | |
d0709a65 | 1393 | rcu_read_unlock(); |
ae76eef0 | 1394 | return PTR_ERR(mpath); |
d0709a65 | 1395 | } |
c5dd9c2b | 1396 | |
c5dd9c2b | 1397 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1398 | |
c5dd9c2b LCC |
1399 | rcu_read_unlock(); |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1404 | const u8 *dst) |
c5dd9c2b | 1405 | { |
f698d856 JBG |
1406 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1407 | ||
c5dd9c2b | 1408 | if (dst) |
bf7cd94d | 1409 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1410 | |
ece1a2e7 | 1411 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1412 | return 0; |
1413 | } | |
1414 | ||
3b3a0162 JB |
1415 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1416 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1417 | { |
14db74bc | 1418 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1419 | struct mesh_path *mpath; |
1420 | struct sta_info *sta; | |
1421 | ||
14db74bc JB |
1422 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1423 | ||
d0709a65 JB |
1424 | rcu_read_lock(); |
1425 | ||
abe60632 | 1426 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1427 | if (!sta) { |
1428 | rcu_read_unlock(); | |
c5dd9c2b | 1429 | return -ENOENT; |
d0709a65 | 1430 | } |
c5dd9c2b | 1431 | |
bf7cd94d | 1432 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1433 | if (!mpath) { |
1434 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1435 | return -ENOENT; |
1436 | } | |
1437 | ||
1438 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1439 | |
c5dd9c2b LCC |
1440 | rcu_read_unlock(); |
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1445 | struct mpath_info *pinfo) | |
1446 | { | |
a3836e02 JB |
1447 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1448 | ||
1449 | if (next_hop_sta) | |
1450 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1451 | else |
1452 | memset(next_hop, 0, ETH_ALEN); | |
1453 | ||
7ce8c7a3 LAYS |
1454 | memset(pinfo, 0, sizeof(*pinfo)); |
1455 | ||
f5ea9120 JB |
1456 | pinfo->generation = mesh_paths_generation; |
1457 | ||
c5dd9c2b | 1458 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1459 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1460 | MPATH_INFO_METRIC | |
1461 | MPATH_INFO_EXPTIME | | |
1462 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1463 | MPATH_INFO_DISCOVERY_RETRIES | | |
1464 | MPATH_INFO_FLAGS; | |
1465 | ||
1466 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1467 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1468 | pinfo->metric = mpath->metric; |
1469 | if (time_before(jiffies, mpath->exp_time)) | |
1470 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1471 | pinfo->discovery_timeout = | |
1472 | jiffies_to_msecs(mpath->discovery_timeout); | |
1473 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1474 | if (mpath->flags & MESH_PATH_ACTIVE) |
1475 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1476 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1477 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1478 | if (mpath->flags & MESH_PATH_SN_VALID) |
1479 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1480 | if (mpath->flags & MESH_PATH_FIXED) |
1481 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1482 | if (mpath->flags & MESH_PATH_RESOLVED) |
1483 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1484 | } |
1485 | ||
1486 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1487 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1488 | ||
1489 | { | |
14db74bc | 1490 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1491 | struct mesh_path *mpath; |
1492 | ||
14db74bc JB |
1493 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1494 | ||
c5dd9c2b | 1495 | rcu_read_lock(); |
bf7cd94d | 1496 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1497 | if (!mpath) { |
1498 | rcu_read_unlock(); | |
1499 | return -ENOENT; | |
1500 | } | |
1501 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1502 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1503 | rcu_read_unlock(); | |
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1508 | int idx, u8 *dst, u8 *next_hop, |
1509 | struct mpath_info *pinfo) | |
c5dd9c2b | 1510 | { |
14db74bc | 1511 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1512 | struct mesh_path *mpath; |
1513 | ||
14db74bc JB |
1514 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1515 | ||
c5dd9c2b | 1516 | rcu_read_lock(); |
bf7cd94d | 1517 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1518 | if (!mpath) { |
1519 | rcu_read_unlock(); | |
1520 | return -ENOENT; | |
1521 | } | |
1522 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1523 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1524 | rcu_read_unlock(); | |
1525 | return 0; | |
1526 | } | |
93da9cc1 | 1527 | |
a2db2ed3 HR |
1528 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1529 | struct mpath_info *pinfo) | |
1530 | { | |
1531 | memset(pinfo, 0, sizeof(*pinfo)); | |
1532 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1533 | ||
1534 | pinfo->generation = mpp_paths_generation; | |
1535 | } | |
1536 | ||
1537 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1538 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1539 | ||
1540 | { | |
1541 | struct ieee80211_sub_if_data *sdata; | |
1542 | struct mesh_path *mpath; | |
1543 | ||
1544 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1545 | ||
1546 | rcu_read_lock(); | |
1547 | mpath = mpp_path_lookup(sdata, dst); | |
1548 | if (!mpath) { | |
1549 | rcu_read_unlock(); | |
1550 | return -ENOENT; | |
1551 | } | |
1552 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1553 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1554 | rcu_read_unlock(); | |
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1559 | int idx, u8 *dst, u8 *mpp, | |
1560 | struct mpath_info *pinfo) | |
1561 | { | |
1562 | struct ieee80211_sub_if_data *sdata; | |
1563 | struct mesh_path *mpath; | |
1564 | ||
1565 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1566 | ||
1567 | rcu_read_lock(); | |
1568 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1569 | if (!mpath) { | |
1570 | rcu_read_unlock(); | |
1571 | return -ENOENT; | |
1572 | } | |
1573 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1574 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1575 | rcu_read_unlock(); | |
1576 | return 0; | |
1577 | } | |
1578 | ||
24bdd9f4 | 1579 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1580 | struct net_device *dev, |
1581 | struct mesh_config *conf) | |
1582 | { | |
1583 | struct ieee80211_sub_if_data *sdata; | |
1584 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1585 | ||
93da9cc1 | 1586 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1587 | return 0; | |
1588 | } | |
1589 | ||
1590 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1591 | { | |
1592 | return (mask >> (parm-1)) & 0x1; | |
1593 | } | |
1594 | ||
c80d545d JC |
1595 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1596 | const struct mesh_setup *setup) | |
1597 | { | |
1598 | u8 *new_ie; | |
1599 | const u8 *old_ie; | |
4bb62344 CYY |
1600 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1601 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1602 | |
581a8b0f | 1603 | /* allocate information elements */ |
c80d545d | 1604 | new_ie = NULL; |
581a8b0f | 1605 | old_ie = ifmsh->ie; |
c80d545d | 1606 | |
581a8b0f JC |
1607 | if (setup->ie_len) { |
1608 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1609 | GFP_KERNEL); |
1610 | if (!new_ie) | |
1611 | return -ENOMEM; | |
1612 | } | |
581a8b0f JC |
1613 | ifmsh->ie_len = setup->ie_len; |
1614 | ifmsh->ie = new_ie; | |
1615 | kfree(old_ie); | |
c80d545d JC |
1616 | |
1617 | /* now copy the rest of the setup parameters */ | |
1618 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1619 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1620 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1621 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1622 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1623 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1624 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1625 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1626 | if (setup->is_authenticated) | |
1627 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1628 | if (setup->is_secure) | |
1629 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1630 | |
4bb62344 CYY |
1631 | /* mcast rate setting in Mesh Node */ |
1632 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1633 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1634 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1635 | |
9bdbf04d MP |
1636 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1637 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1638 | ||
c80d545d JC |
1639 | return 0; |
1640 | } | |
1641 | ||
24bdd9f4 | 1642 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1643 | struct net_device *dev, u32 mask, |
1644 | const struct mesh_config *nconf) | |
93da9cc1 | 1645 | { |
1646 | struct mesh_config *conf; | |
1647 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1648 | struct ieee80211_if_mesh *ifmsh; |
1649 | ||
93da9cc1 | 1650 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1651 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1652 | |
93da9cc1 | 1653 | /* Set the config options which we are interested in setting */ |
1654 | conf = &(sdata->u.mesh.mshcfg); | |
1655 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1656 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1657 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1658 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1659 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1660 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1661 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1662 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1663 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1664 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1665 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1666 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1667 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1668 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1669 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1670 | if (ifmsh->user_mpm) | |
1671 | return -EBUSY; | |
93da9cc1 | 1672 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1673 | } |
d299a1f2 JC |
1674 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1675 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1676 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1677 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1678 | conf->dot11MeshHWMPmaxPREQretries = | |
1679 | nconf->dot11MeshHWMPmaxPREQretries; | |
1680 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1681 | conf->path_refresh_time = nconf->path_refresh_time; | |
1682 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1683 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1684 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1685 | conf->dot11MeshHWMPactivePathTimeout = | |
1686 | nconf->dot11MeshHWMPactivePathTimeout; | |
1687 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1688 | conf->dot11MeshHWMPpreqMinInterval = | |
1689 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1690 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1691 | conf->dot11MeshHWMPperrMinInterval = | |
1692 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1693 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1694 | mask)) | |
1695 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1696 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1697 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1698 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1699 | ieee80211_mesh_root_setup(ifmsh); | |
1700 | } | |
16dd7267 | 1701 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1702 | /* our current gate announcement implementation rides on root |
1703 | * announcements, so require this ifmsh to also be a root node | |
1704 | * */ | |
1705 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1706 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1707 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1708 | ieee80211_mesh_root_setup(ifmsh); |
1709 | } | |
16dd7267 JC |
1710 | conf->dot11MeshGateAnnouncementProtocol = |
1711 | nconf->dot11MeshGateAnnouncementProtocol; | |
1712 | } | |
a4f606ea | 1713 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1714 | conf->dot11MeshHWMPRannInterval = |
1715 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1716 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1717 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1718 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1719 | /* our RSSI threshold implementation is supported only for | |
1720 | * devices that report signal in dBm. | |
1721 | */ | |
1722 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1723 | return -ENOTSUPP; | |
1724 | conf->rssi_threshold = nconf->rssi_threshold; | |
1725 | } | |
70c33eaa AN |
1726 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1727 | conf->ht_opmode = nconf->ht_opmode; | |
1728 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1729 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1730 | } | |
ac1073a6 CYY |
1731 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1732 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1733 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1734 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1735 | conf->dot11MeshHWMProotInterval = | |
1736 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1737 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1738 | conf->dot11MeshHWMPconfirmationInterval = | |
1739 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1740 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1741 | conf->power_mode = nconf->power_mode; | |
1742 | ieee80211_mps_local_status_update(sdata); | |
1743 | } | |
2b5e1967 | 1744 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1745 | conf->dot11MeshAwakeWindowDuration = |
1746 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1747 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1748 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1749 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1750 | return 0; |
1751 | } | |
1752 | ||
29cbe68c JB |
1753 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1754 | const struct mesh_config *conf, | |
1755 | const struct mesh_setup *setup) | |
1756 | { | |
1757 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1758 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1759 | int err; |
29cbe68c | 1760 | |
c80d545d JC |
1761 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1762 | err = copy_mesh_setup(ifmsh, setup); | |
1763 | if (err) | |
1764 | return err; | |
cc1d2806 | 1765 | |
04ecd257 JB |
1766 | /* can mesh use other SMPS modes? */ |
1767 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1768 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1769 | ||
34a3740d | 1770 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1771 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1772 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1773 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1774 | if (err) |
1775 | return err; | |
1776 | ||
2b5e1967 | 1777 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1778 | } |
1779 | ||
1780 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1781 | { | |
1782 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1783 | ||
1784 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1785 | mutex_lock(&sdata->local->mtx); |
55de908a | 1786 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1787 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1788 | |
1789 | return 0; | |
1790 | } | |
c5dd9c2b LCC |
1791 | #endif |
1792 | ||
9f1ba906 JM |
1793 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1794 | struct net_device *dev, | |
1795 | struct bss_parameters *params) | |
1796 | { | |
55de908a JB |
1797 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1798 | enum ieee80211_band band; | |
9f1ba906 JM |
1799 | u32 changed = 0; |
1800 | ||
7ca133bc | 1801 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1802 | return -ENOENT; |
1803 | ||
1804 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1805 | |
9f1ba906 | 1806 | if (params->use_cts_prot >= 0) { |
bda3933a | 1807 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1808 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1809 | } | |
1810 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1811 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1812 | params->use_short_preamble; |
1813 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1814 | } | |
43d35343 FF |
1815 | |
1816 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1817 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1818 | sdata->vif.bss_conf.use_short_slot = true; |
1819 | changed |= BSS_CHANGED_ERP_SLOT; | |
1820 | } | |
1821 | ||
9f1ba906 | 1822 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1823 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1824 | params->use_short_slot_time; |
1825 | changed |= BSS_CHANGED_ERP_SLOT; | |
1826 | } | |
1827 | ||
90c97a04 | 1828 | if (params->basic_rates) { |
2103dec1 SW |
1829 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1830 | wiphy->bands[band], | |
1831 | params->basic_rates, | |
1832 | params->basic_rates_len, | |
1833 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
1834 | changed |= BSS_CHANGED_BASIC_RATES; |
1835 | } | |
1836 | ||
7b7b5e56 FF |
1837 | if (params->ap_isolate >= 0) { |
1838 | if (params->ap_isolate) | |
1839 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1840 | else | |
1841 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1842 | } | |
1843 | ||
80d7e403 HS |
1844 | if (params->ht_opmode >= 0) { |
1845 | sdata->vif.bss_conf.ht_operation_mode = | |
1846 | (u16) params->ht_opmode; | |
1847 | changed |= BSS_CHANGED_HT; | |
1848 | } | |
1849 | ||
339afbf4 | 1850 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1851 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1852 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1853 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1854 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1855 | changed |= BSS_CHANGED_P2P_PS; |
1856 | } | |
1857 | ||
67baf663 JD |
1858 | if (params->p2p_opp_ps > 0) { |
1859 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1860 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1861 | changed |= BSS_CHANGED_P2P_PS; | |
1862 | } else if (params->p2p_opp_ps == 0) { | |
1863 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1864 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1865 | changed |= BSS_CHANGED_P2P_PS; |
1866 | } | |
1867 | ||
9f1ba906 JM |
1868 | ieee80211_bss_info_change_notify(sdata, changed); |
1869 | ||
1870 | return 0; | |
1871 | } | |
1872 | ||
31888487 | 1873 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1874 | struct net_device *dev, |
31888487 JM |
1875 | struct ieee80211_txq_params *params) |
1876 | { | |
1877 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1878 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1879 | struct ieee80211_tx_queue_params p; |
1880 | ||
1881 | if (!local->ops->conf_tx) | |
1882 | return -EOPNOTSUPP; | |
1883 | ||
54bcbc69 JB |
1884 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1885 | return -EOPNOTSUPP; | |
1886 | ||
31888487 JM |
1887 | memset(&p, 0, sizeof(p)); |
1888 | p.aifs = params->aifs; | |
1889 | p.cw_max = params->cwmax; | |
1890 | p.cw_min = params->cwmin; | |
1891 | p.txop = params->txop; | |
ab13315a KV |
1892 | |
1893 | /* | |
1894 | * Setting tx queue params disables u-apsd because it's only | |
1895 | * called in master mode. | |
1896 | */ | |
1897 | p.uapsd = false; | |
1898 | ||
a3304b0a JB |
1899 | sdata->tx_conf[params->ac] = p; |
1900 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1901 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1902 | "failed to set TX queue parameters for AC %d\n", |
1903 | params->ac); | |
31888487 JM |
1904 | return -EINVAL; |
1905 | } | |
1906 | ||
7d25745d JB |
1907 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1908 | ||
31888487 JM |
1909 | return 0; |
1910 | } | |
1911 | ||
665af4fc | 1912 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1913 | static int ieee80211_suspend(struct wiphy *wiphy, |
1914 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1915 | { |
eecc4800 | 1916 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1917 | } |
1918 | ||
1919 | static int ieee80211_resume(struct wiphy *wiphy) | |
1920 | { | |
1921 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1922 | } | |
1923 | #else | |
1924 | #define ieee80211_suspend NULL | |
1925 | #define ieee80211_resume NULL | |
1926 | #endif | |
1927 | ||
2a519311 | 1928 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1929 | struct cfg80211_scan_request *req) |
1930 | { | |
fd014284 JB |
1931 | struct ieee80211_sub_if_data *sdata; |
1932 | ||
1933 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1934 | |
2ca27bcf JB |
1935 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1936 | case NL80211_IFTYPE_STATION: | |
1937 | case NL80211_IFTYPE_ADHOC: | |
1938 | case NL80211_IFTYPE_MESH_POINT: | |
1939 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1940 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1941 | break; |
1942 | case NL80211_IFTYPE_P2P_GO: | |
1943 | if (sdata->local->ops->hw_scan) | |
1944 | break; | |
e9d7732e JB |
1945 | /* |
1946 | * FIXME: implement NoA while scanning in software, | |
1947 | * for now fall through to allow scanning only when | |
1948 | * beaconing hasn't been configured yet | |
1949 | */ | |
2ca27bcf | 1950 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
1951 | /* |
1952 | * If the scan has been forced (and the driver supports | |
1953 | * forcing), don't care about being beaconing already. | |
1954 | * This will create problems to the attached stations (e.g. all | |
1955 | * the frames sent while scanning on other channel will be | |
1956 | * lost) | |
1957 | */ | |
1958 | if (sdata->u.ap.beacon && | |
1959 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
1960 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
1961 | return -EOPNOTSUPP; |
1962 | break; | |
1963 | default: | |
1964 | return -EOPNOTSUPP; | |
1965 | } | |
2a519311 JB |
1966 | |
1967 | return ieee80211_request_scan(sdata, req); | |
1968 | } | |
1969 | ||
79f460ca LC |
1970 | static int |
1971 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1972 | struct net_device *dev, | |
1973 | struct cfg80211_sched_scan_request *req) | |
1974 | { | |
1975 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1976 | ||
1977 | if (!sdata->local->ops->sched_scan_start) | |
1978 | return -EOPNOTSUPP; | |
1979 | ||
1980 | return ieee80211_request_sched_scan_start(sdata, req); | |
1981 | } | |
1982 | ||
1983 | static int | |
85a9994a | 1984 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1985 | { |
1986 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1987 | ||
1988 | if (!sdata->local->ops->sched_scan_stop) | |
1989 | return -EOPNOTSUPP; | |
1990 | ||
85a9994a | 1991 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1992 | } |
1993 | ||
636a5d36 JM |
1994 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1995 | struct cfg80211_auth_request *req) | |
1996 | { | |
77fdaa12 | 1997 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1998 | } |
1999 | ||
2000 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2001 | struct cfg80211_assoc_request *req) | |
2002 | { | |
77fdaa12 | 2003 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2004 | } |
2005 | ||
2006 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2007 | struct cfg80211_deauth_request *req) |
636a5d36 | 2008 | { |
63c9c5e7 | 2009 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2010 | } |
2011 | ||
2012 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2013 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2014 | { |
63c9c5e7 | 2015 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2016 | } |
2017 | ||
af8cdcd8 JB |
2018 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2019 | struct cfg80211_ibss_params *params) | |
2020 | { | |
55de908a | 2021 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2022 | } |
2023 | ||
2024 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2025 | { | |
55de908a | 2026 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2027 | } |
2028 | ||
239281f8 RL |
2029 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2030 | struct ocb_setup *setup) | |
2031 | { | |
2032 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2033 | } | |
2034 | ||
2035 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2036 | { | |
2037 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2038 | } | |
2039 | ||
391e53e3 AQ |
2040 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2041 | int rate[IEEE80211_NUM_BANDS]) | |
2042 | { | |
2043 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2044 | ||
9887dbf5 CD |
2045 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2046 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2047 | |
2048 | return 0; | |
2049 | } | |
2050 | ||
b9a5f8ca JM |
2051 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2052 | { | |
2053 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2054 | int err; |
b9a5f8ca | 2055 | |
f23a4780 AN |
2056 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2057 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2058 | ||
2059 | if (err) | |
2060 | return err; | |
2061 | } | |
2062 | ||
a4bcaf55 LB |
2063 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2064 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2065 | s16 coverage_class; | |
2066 | ||
2067 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2068 | wiphy->coverage_class : -1; | |
2069 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2070 | |
2071 | if (err) | |
2072 | return err; | |
2073 | } | |
2074 | ||
b9a5f8ca | 2075 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2076 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2077 | |
24487981 JB |
2078 | if (err) |
2079 | return err; | |
b9a5f8ca JM |
2080 | } |
2081 | ||
8bc83c24 JB |
2082 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2083 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2084 | return -EINVAL; | |
b9a5f8ca | 2085 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2086 | } |
2087 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2088 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2089 | return -EINVAL; | |
b9a5f8ca | 2090 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2091 | } |
b9a5f8ca JM |
2092 | if (changed & |
2093 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2094 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2095 | ||
2096 | return 0; | |
2097 | } | |
2098 | ||
7643a2c3 | 2099 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2100 | struct wireless_dev *wdev, |
fa61cf70 | 2101 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2102 | { |
2103 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2104 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2105 | |
1ea6f9c0 JB |
2106 | if (wdev) { |
2107 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2108 | ||
2109 | switch (type) { | |
2110 | case NL80211_TX_POWER_AUTOMATIC: | |
2111 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2112 | break; | |
2113 | case NL80211_TX_POWER_LIMITED: | |
2114 | case NL80211_TX_POWER_FIXED: | |
2115 | if (mbm < 0 || (mbm % 100)) | |
2116 | return -EOPNOTSUPP; | |
2117 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2118 | break; | |
2119 | } | |
2120 | ||
2121 | ieee80211_recalc_txpower(sdata); | |
2122 | ||
2123 | return 0; | |
2124 | } | |
55de908a | 2125 | |
7643a2c3 | 2126 | switch (type) { |
fa61cf70 | 2127 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2128 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2129 | break; |
fa61cf70 | 2130 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2131 | case NL80211_TX_POWER_FIXED: |
2132 | if (mbm < 0 || (mbm % 100)) | |
2133 | return -EOPNOTSUPP; | |
fa61cf70 | 2134 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2135 | break; |
7643a2c3 JB |
2136 | } |
2137 | ||
1ea6f9c0 JB |
2138 | mutex_lock(&local->iflist_mtx); |
2139 | list_for_each_entry(sdata, &local->interfaces, list) | |
2140 | sdata->user_power_level = local->user_power_level; | |
2141 | list_for_each_entry(sdata, &local->interfaces, list) | |
2142 | ieee80211_recalc_txpower(sdata); | |
2143 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2144 | |
2145 | return 0; | |
2146 | } | |
2147 | ||
c8442118 JB |
2148 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2149 | struct wireless_dev *wdev, | |
2150 | int *dbm) | |
7643a2c3 JB |
2151 | { |
2152 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2153 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2154 | |
5b3dc42b FF |
2155 | if (local->ops->get_txpower) |
2156 | return drv_get_txpower(local, sdata, dbm); | |
2157 | ||
1ea6f9c0 JB |
2158 | if (!local->use_chanctx) |
2159 | *dbm = local->hw.conf.power_level; | |
2160 | else | |
2161 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2162 | |
7643a2c3 JB |
2163 | return 0; |
2164 | } | |
2165 | ||
ab737a4f | 2166 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2167 | const u8 *addr) |
ab737a4f JB |
2168 | { |
2169 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2170 | ||
2171 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2172 | ||
2173 | return 0; | |
2174 | } | |
2175 | ||
1f87f7d3 JB |
2176 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2177 | { | |
2178 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2179 | ||
2180 | drv_rfkill_poll(local); | |
2181 | } | |
2182 | ||
aff89a9b | 2183 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2184 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2185 | struct wireless_dev *wdev, | |
2186 | void *data, int len) | |
aff89a9b JB |
2187 | { |
2188 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2189 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2190 | |
2191 | if (!local->ops->testmode_cmd) | |
2192 | return -EOPNOTSUPP; | |
2193 | ||
52981cd7 DS |
2194 | if (wdev) { |
2195 | struct ieee80211_sub_if_data *sdata; | |
2196 | ||
2197 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2198 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2199 | vif = &sdata->vif; | |
2200 | } | |
2201 | ||
2202 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2203 | } |
71063f0e WYG |
2204 | |
2205 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2206 | struct sk_buff *skb, | |
2207 | struct netlink_callback *cb, | |
2208 | void *data, int len) | |
2209 | { | |
2210 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2211 | ||
2212 | if (!local->ops->testmode_dump) | |
2213 | return -EOPNOTSUPP; | |
2214 | ||
2215 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2216 | } | |
aff89a9b JB |
2217 | #endif |
2218 | ||
687da132 EG |
2219 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2220 | enum ieee80211_smps_mode smps_mode) | |
2221 | { | |
2222 | struct sta_info *sta; | |
2223 | enum ieee80211_smps_mode old_req; | |
2224 | int i; | |
2225 | ||
2226 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2227 | return -EINVAL; | |
2228 | ||
2229 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2230 | return 0; | |
2231 | ||
2232 | old_req = sdata->u.ap.req_smps; | |
2233 | sdata->u.ap.req_smps = smps_mode; | |
2234 | ||
2235 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2236 | if (old_req == smps_mode || | |
2237 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2238 | return 0; | |
2239 | ||
2240 | /* If no associated stations, there's no need to do anything */ | |
2241 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2242 | sdata->smps_mode = smps_mode; | |
2243 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2244 | return 0; | |
2245 | } | |
2246 | ||
2247 | ht_dbg(sdata, | |
2248 | "SMSP %d requested in AP mode, sending Action frame to %d stations\n", | |
2249 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); | |
2250 | ||
2251 | mutex_lock(&sdata->local->sta_mtx); | |
2252 | for (i = 0; i < STA_HASH_SIZE; i++) { | |
2253 | for (sta = rcu_dereference_protected(sdata->local->sta_hash[i], | |
2254 | lockdep_is_held(&sdata->local->sta_mtx)); | |
2255 | sta; | |
2256 | sta = rcu_dereference_protected(sta->hnext, | |
2257 | lockdep_is_held(&sdata->local->sta_mtx))) { | |
2258 | /* | |
2259 | * Only stations associated to our AP and | |
2260 | * associated VLANs | |
2261 | */ | |
2262 | if (sta->sdata->bss != &sdata->u.ap) | |
2263 | continue; | |
2264 | ||
2265 | /* This station doesn't support MIMO - skip it */ | |
2266 | if (sta_info_tx_streams(sta) == 1) | |
2267 | continue; | |
2268 | ||
2269 | /* | |
2270 | * Don't wake up a STA just to send the action frame | |
2271 | * unless we are getting more restrictive. | |
2272 | */ | |
2273 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2274 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2275 | smps_mode)) { | |
2276 | ht_dbg(sdata, | |
2277 | "Won't send SMPS to sleeping STA %pM\n", | |
2278 | sta->sta.addr); | |
2279 | continue; | |
2280 | } | |
2281 | ||
2282 | /* | |
2283 | * If the STA is not authorized, wait until it gets | |
2284 | * authorized and the action frame will be sent then. | |
2285 | */ | |
2286 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2287 | continue; | |
2288 | ||
2289 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); | |
2290 | ieee80211_send_smps_action(sdata, smps_mode, | |
2291 | sta->sta.addr, | |
2292 | sdata->vif.bss_conf.bssid); | |
2293 | } | |
2294 | } | |
2295 | mutex_unlock(&sdata->local->sta_mtx); | |
2296 | ||
2297 | sdata->smps_mode = smps_mode; | |
2298 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2299 | ||
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2304 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2305 | { |
2306 | const u8 *ap; | |
2307 | enum ieee80211_smps_mode old_req; | |
2308 | int err; | |
2309 | ||
8d61ffa5 | 2310 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2311 | |
687da132 EG |
2312 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2313 | return -EINVAL; | |
2314 | ||
0f78231b JB |
2315 | old_req = sdata->u.mgd.req_smps; |
2316 | sdata->u.mgd.req_smps = smps_mode; | |
2317 | ||
2318 | if (old_req == smps_mode && | |
2319 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2320 | return 0; | |
2321 | ||
2322 | /* | |
2323 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2324 | * association, there's no need to do anything, just store |
2325 | * the new value until we associate. | |
0f78231b JB |
2326 | */ |
2327 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2328 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2329 | return 0; |
0f78231b | 2330 | |
0c1ad2ca | 2331 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2332 | |
2333 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2334 | if (sdata->u.mgd.powersave) | |
2335 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2336 | else | |
2337 | smps_mode = IEEE80211_SMPS_OFF; | |
2338 | } | |
2339 | ||
2340 | /* send SM PS frame to AP */ | |
2341 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2342 | ap, ap); | |
2343 | if (err) | |
2344 | sdata->u.mgd.req_smps = old_req; | |
2345 | ||
2346 | return err; | |
2347 | } | |
2348 | ||
bc92afd9 JB |
2349 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2350 | bool enabled, int timeout) | |
2351 | { | |
2352 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2353 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2354 | |
2d3db210 | 2355 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2356 | return -EOPNOTSUPP; |
2357 | ||
bc92afd9 JB |
2358 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2359 | return -EOPNOTSUPP; | |
2360 | ||
2361 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2362 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2363 | return 0; |
2364 | ||
2365 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2366 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2367 | |
0f78231b | 2368 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2369 | sdata_lock(sdata); |
687da132 | 2370 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2371 | sdata_unlock(sdata); |
0f78231b | 2372 | |
bc92afd9 JB |
2373 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2374 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2375 | ||
2376 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2377 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2378 | |
2379 | return 0; | |
2380 | } | |
2381 | ||
a97c13c3 JO |
2382 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2383 | struct net_device *dev, | |
2384 | s32 rssi_thold, u32 rssi_hyst) | |
2385 | { | |
2386 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2387 | struct ieee80211_vif *vif = &sdata->vif; |
2388 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2389 | ||
a97c13c3 JO |
2390 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2391 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2392 | return 0; | |
2393 | ||
2394 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2395 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2396 | ||
2397 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2398 | if (sdata->u.mgd.associated && |
2399 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2400 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2401 | ||
2402 | return 0; | |
2403 | } | |
2404 | ||
9930380f JB |
2405 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2406 | struct net_device *dev, | |
2407 | const u8 *addr, | |
2408 | const struct cfg80211_bitrate_mask *mask) | |
2409 | { | |
2410 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2411 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2412 | int i, ret; |
2c7e6bc9 | 2413 | |
554a43d5 EP |
2414 | if (!ieee80211_sdata_running(sdata)) |
2415 | return -ENETDOWN; | |
2416 | ||
bdbfd6b5 SM |
2417 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2418 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2419 | if (ret) | |
2420 | return ret; | |
2421 | } | |
9930380f | 2422 | |
19468413 | 2423 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2424 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2425 | int j; | |
2426 | ||
37eb0b16 | 2427 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2428 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2429 | sizeof(mask->control[i].ht_mcs)); | |
2ffbe6d3 FF |
2430 | |
2431 | sdata->rc_has_mcs_mask[i] = false; | |
2432 | if (!sband) | |
2433 | continue; | |
2434 | ||
2435 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) | |
2436 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { | |
2437 | sdata->rc_has_mcs_mask[i] = true; | |
2438 | break; | |
2439 | } | |
19468413 | 2440 | } |
9930380f | 2441 | |
37eb0b16 | 2442 | return 0; |
9930380f JB |
2443 | } |
2444 | ||
eaa336b0 EP |
2445 | static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local, |
2446 | struct ieee80211_roc_work *new_roc, | |
2447 | struct ieee80211_roc_work *cur_roc) | |
2448 | { | |
2449 | unsigned long j = jiffies; | |
2450 | unsigned long cur_roc_end = cur_roc->hw_start_time + | |
2451 | msecs_to_jiffies(cur_roc->duration); | |
2452 | struct ieee80211_roc_work *next_roc; | |
2453 | int new_dur; | |
2454 | ||
2455 | if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun)) | |
2456 | return false; | |
2457 | ||
2458 | if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end)) | |
2459 | return false; | |
2460 | ||
2461 | ieee80211_handle_roc_started(new_roc); | |
2462 | ||
2463 | new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j); | |
2464 | ||
2465 | /* cur_roc is long enough - add new_roc to the dependents list. */ | |
2466 | if (new_dur <= 0) { | |
2467 | list_add_tail(&new_roc->list, &cur_roc->dependents); | |
2468 | return true; | |
2469 | } | |
2470 | ||
2471 | new_roc->duration = new_dur; | |
2472 | ||
2473 | /* | |
2474 | * if cur_roc was already coalesced before, we might | |
2475 | * want to extend the next roc instead of adding | |
2476 | * a new one. | |
2477 | */ | |
2478 | next_roc = list_entry(cur_roc->list.next, | |
2479 | struct ieee80211_roc_work, list); | |
2480 | if (&next_roc->list != &local->roc_list && | |
2481 | next_roc->chan == new_roc->chan && | |
2482 | next_roc->sdata == new_roc->sdata && | |
2483 | !WARN_ON(next_roc->started)) { | |
2484 | list_add_tail(&new_roc->list, &next_roc->dependents); | |
2485 | next_roc->duration = max(next_roc->duration, | |
2486 | new_roc->duration); | |
2487 | next_roc->type = max(next_roc->type, new_roc->type); | |
2488 | return true; | |
2489 | } | |
2490 | ||
2491 | /* add right after cur_roc */ | |
2492 | list_add(&new_roc->list, &cur_roc->list); | |
2493 | ||
2494 | return true; | |
2495 | } | |
2496 | ||
2eb278e0 JB |
2497 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2498 | struct ieee80211_sub_if_data *sdata, | |
2499 | struct ieee80211_channel *channel, | |
2eb278e0 | 2500 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2501 | struct sk_buff *txskb, |
2502 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2503 | { |
2504 | struct ieee80211_roc_work *roc, *tmp; | |
2505 | bool queued = false; | |
21f83589 | 2506 | int ret; |
21f83589 JB |
2507 | |
2508 | lockdep_assert_held(&local->mtx); | |
2509 | ||
fe57d9f5 JB |
2510 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2511 | return -EOPNOTSUPP; | |
2512 | ||
2eb278e0 JB |
2513 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2514 | if (!roc) | |
2515 | return -ENOMEM; | |
2516 | ||
2fae062e IP |
2517 | /* |
2518 | * If the duration is zero, then the driver | |
2519 | * wouldn't actually do anything. Set it to | |
2520 | * 10 for now. | |
2521 | * | |
2522 | * TODO: cancel the off-channel operation | |
2523 | * when we get the SKB's TX status and | |
2524 | * the wait time was zero before. | |
2525 | */ | |
2526 | if (!duration) | |
2527 | duration = 10; | |
2528 | ||
2eb278e0 | 2529 | roc->chan = channel; |
2eb278e0 JB |
2530 | roc->duration = duration; |
2531 | roc->req_duration = duration; | |
2532 | roc->frame = txskb; | |
d339d5ca | 2533 | roc->type = type; |
2eb278e0 JB |
2534 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2535 | roc->sdata = sdata; | |
2536 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2537 | INIT_LIST_HEAD(&roc->dependents); | |
2538 | ||
2f617435 EP |
2539 | /* |
2540 | * cookie is either the roc cookie (for normal roc) | |
2541 | * or the SKB (for mgmt TX) | |
2542 | */ | |
2543 | if (!txskb) { | |
2544 | /* local->mtx protects this */ | |
2545 | local->roc_cookie_counter++; | |
2546 | roc->cookie = local->roc_cookie_counter; | |
2547 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2548 | if (WARN_ON(roc->cookie == 0)) { | |
2549 | roc->cookie = 1; | |
2550 | local->roc_cookie_counter++; | |
2551 | } | |
2552 | *cookie = roc->cookie; | |
2553 | } else { | |
2554 | *cookie = (unsigned long)txskb; | |
2555 | } | |
2556 | ||
2eb278e0 | 2557 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d SW |
2558 | if (!list_empty(&local->roc_list) || |
2559 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2560 | goto out_check_combine; |
2561 | ||
2562 | /* if not HW assist, just queue & schedule work */ | |
2563 | if (!local->ops->remain_on_channel) { | |
2564 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2565 | goto out_queue; | |
2566 | } | |
2567 | ||
2568 | /* otherwise actually kick it off here (for error handling) */ | |
2569 | ||
d339d5ca | 2570 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2571 | if (ret) { |
2eb278e0 JB |
2572 | kfree(roc); |
2573 | return ret; | |
21f83589 JB |
2574 | } |
2575 | ||
2eb278e0 JB |
2576 | roc->started = true; |
2577 | goto out_queue; | |
2578 | ||
2579 | out_check_combine: | |
2580 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2581 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2582 | continue; |
2583 | ||
2584 | /* | |
2585 | * Extend this ROC if possible: | |
2586 | * | |
2587 | * If it hasn't started yet, just increase the duration | |
2588 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2589 | * If the type of the new ROC has higher priority, modify the |
2590 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2591 | */ |
2592 | if (!tmp->started) { | |
2593 | list_add_tail(&roc->list, &tmp->dependents); | |
2594 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2595 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2596 | queued = true; |
2597 | break; | |
2598 | } | |
2599 | ||
2600 | /* If it has already started, it's more difficult ... */ | |
2601 | if (local->ops->remain_on_channel) { | |
2eb278e0 JB |
2602 | /* |
2603 | * In the offloaded ROC case, if it hasn't begun, add | |
2604 | * this new one to the dependent list to be handled | |
d339d5ca | 2605 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2606 | * check that there's still a minimum time left and |
2607 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2608 | * add it to the list directly after this one with |
2eb278e0 JB |
2609 | * a reduced time so we'll ask the driver to execute |
2610 | * it right after finishing the previous one, in the | |
2611 | * hope that it'll also be executed right afterwards, | |
2612 | * effectively extending the old one. | |
2613 | * If there's no minimum time left, just add it to the | |
2614 | * normal list. | |
d339d5ca IP |
2615 | * TODO: the ROC type is ignored here, assuming that it |
2616 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2617 | */ |
2618 | if (!tmp->hw_begun) { | |
2619 | list_add_tail(&roc->list, &tmp->dependents); | |
2620 | queued = true; | |
2621 | break; | |
2622 | } | |
2623 | ||
eaa336b0 | 2624 | if (ieee80211_coalesce_started_roc(local, roc, tmp)) |
2eb278e0 | 2625 | queued = true; |
2eb278e0 JB |
2626 | } else if (del_timer_sync(&tmp->work.timer)) { |
2627 | unsigned long new_end; | |
2628 | ||
2629 | /* | |
2630 | * In the software ROC case, cancel the timer, if | |
2631 | * that fails then the finish work is already | |
2632 | * queued/pending and thus we queue the new ROC | |
2633 | * normally, if that succeeds then we can extend | |
2634 | * the timer duration and TX the frame (if any.) | |
2635 | */ | |
2636 | ||
2637 | list_add_tail(&roc->list, &tmp->dependents); | |
2638 | queued = true; | |
2639 | ||
2640 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2641 | ||
2642 | /* ok, it was started & we canceled timer */ | |
2643 | if (time_after(new_end, tmp->work.timer.expires)) | |
2644 | mod_timer(&tmp->work.timer, new_end); | |
2645 | else | |
2646 | add_timer(&tmp->work.timer); | |
2647 | ||
2648 | ieee80211_handle_roc_started(roc); | |
2649 | } | |
2650 | break; | |
2651 | } | |
2652 | ||
2653 | out_queue: | |
2654 | if (!queued) | |
2655 | list_add_tail(&roc->list, &local->roc_list); | |
2656 | ||
2eb278e0 | 2657 | return 0; |
21f83589 JB |
2658 | } |
2659 | ||
b8bc4b0a | 2660 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2661 | struct wireless_dev *wdev, |
b8bc4b0a | 2662 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2663 | unsigned int duration, |
2664 | u64 *cookie) | |
2665 | { | |
71bbc994 | 2666 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2667 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2668 | int ret; |
21f83589 | 2669 | |
2eb278e0 | 2670 | mutex_lock(&local->mtx); |
42d97a59 | 2671 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2672 | duration, cookie, NULL, |
2673 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2674 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2675 | |
2eb278e0 | 2676 | return ret; |
b8bc4b0a JB |
2677 | } |
2678 | ||
2eb278e0 JB |
2679 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2680 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2681 | { |
2eb278e0 | 2682 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2683 | int ret; |
2684 | ||
2eb278e0 JB |
2685 | mutex_lock(&local->mtx); |
2686 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2687 | struct ieee80211_roc_work *dep, *tmp2; |
2688 | ||
2689 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2690 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2691 | continue; |
2692 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2693 | continue; | |
2694 | /* found dependent item -- just remove it */ | |
2695 | list_del(&dep->list); | |
2696 | mutex_unlock(&local->mtx); | |
2697 | ||
3fbd45ca | 2698 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2699 | return 0; |
2700 | } | |
2701 | ||
50febf6a | 2702 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2703 | continue; |
2704 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2705 | continue; | |
21f83589 | 2706 | |
2eb278e0 JB |
2707 | found = roc; |
2708 | break; | |
2709 | } | |
21f83589 | 2710 | |
2eb278e0 JB |
2711 | if (!found) { |
2712 | mutex_unlock(&local->mtx); | |
2713 | return -ENOENT; | |
2714 | } | |
21f83589 | 2715 | |
e979e33c JB |
2716 | /* |
2717 | * We found the item to cancel, so do that. Note that it | |
2718 | * may have dependents, which we also cancel (and send | |
2719 | * the expired signal for.) Not doing so would be quite | |
2720 | * tricky here, but we may need to fix it later. | |
2721 | */ | |
2722 | ||
2eb278e0 JB |
2723 | if (local->ops->remain_on_channel) { |
2724 | if (found->started) { | |
2725 | ret = drv_cancel_remain_on_channel(local); | |
2726 | if (WARN_ON_ONCE(ret)) { | |
2727 | mutex_unlock(&local->mtx); | |
2728 | return ret; | |
2729 | } | |
2730 | } | |
21f83589 | 2731 | |
2eb278e0 | 2732 | list_del(&found->list); |
21f83589 | 2733 | |
0f6b3f59 JB |
2734 | if (found->started) |
2735 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2736 | mutex_unlock(&local->mtx); |
21f83589 | 2737 | |
3fbd45ca | 2738 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2739 | } else { |
2740 | /* work may be pending so use it all the time */ | |
2741 | found->abort = true; | |
2742 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2743 | |
21f83589 JB |
2744 | mutex_unlock(&local->mtx); |
2745 | ||
2eb278e0 JB |
2746 | /* work will clean up etc */ |
2747 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2748 | WARN_ON(!found->to_be_freed); |
2749 | kfree(found); | |
21f83589 | 2750 | } |
b8bc4b0a | 2751 | |
2eb278e0 | 2752 | return 0; |
b8bc4b0a JB |
2753 | } |
2754 | ||
2eb278e0 | 2755 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2756 | struct wireless_dev *wdev, |
2eb278e0 | 2757 | u64 cookie) |
f30221e4 | 2758 | { |
71bbc994 | 2759 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2760 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2761 | |
2eb278e0 | 2762 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2763 | } |
2764 | ||
164eb02d SW |
2765 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2766 | struct net_device *dev, | |
31559f35 JD |
2767 | struct cfg80211_chan_def *chandef, |
2768 | u32 cac_time_ms) | |
164eb02d SW |
2769 | { |
2770 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2771 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2772 | int err; |
2773 | ||
34a3740d JB |
2774 | mutex_lock(&local->mtx); |
2775 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2776 | err = -EBUSY; | |
2777 | goto out_unlock; | |
2778 | } | |
164eb02d SW |
2779 | |
2780 | /* whatever, but channel contexts should not complain about that one */ | |
2781 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2782 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2783 | |
164eb02d SW |
2784 | err = ieee80211_vif_use_channel(sdata, chandef, |
2785 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2786 | if (err) |
34a3740d | 2787 | goto out_unlock; |
164eb02d | 2788 | |
164eb02d | 2789 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2790 | &sdata->dfs_cac_timer_work, |
2791 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2792 | |
34a3740d JB |
2793 | out_unlock: |
2794 | mutex_unlock(&local->mtx); | |
2795 | return err; | |
164eb02d SW |
2796 | } |
2797 | ||
73da7d5b SW |
2798 | static struct cfg80211_beacon_data * |
2799 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2800 | { | |
2801 | struct cfg80211_beacon_data *new_beacon; | |
2802 | u8 *pos; | |
2803 | int len; | |
2804 | ||
2805 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2806 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2807 | beacon->probe_resp_len; | |
2808 | ||
2809 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2810 | if (!new_beacon) | |
2811 | return NULL; | |
2812 | ||
2813 | pos = (u8 *)(new_beacon + 1); | |
2814 | if (beacon->head_len) { | |
2815 | new_beacon->head_len = beacon->head_len; | |
2816 | new_beacon->head = pos; | |
2817 | memcpy(pos, beacon->head, beacon->head_len); | |
2818 | pos += beacon->head_len; | |
2819 | } | |
2820 | if (beacon->tail_len) { | |
2821 | new_beacon->tail_len = beacon->tail_len; | |
2822 | new_beacon->tail = pos; | |
2823 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2824 | pos += beacon->tail_len; | |
2825 | } | |
2826 | if (beacon->beacon_ies_len) { | |
2827 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2828 | new_beacon->beacon_ies = pos; | |
2829 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2830 | pos += beacon->beacon_ies_len; | |
2831 | } | |
2832 | if (beacon->proberesp_ies_len) { | |
2833 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2834 | new_beacon->proberesp_ies = pos; | |
2835 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2836 | pos += beacon->proberesp_ies_len; | |
2837 | } | |
2838 | if (beacon->assocresp_ies_len) { | |
2839 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2840 | new_beacon->assocresp_ies = pos; | |
2841 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2842 | pos += beacon->assocresp_ies_len; | |
2843 | } | |
2844 | if (beacon->probe_resp_len) { | |
2845 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2846 | beacon->probe_resp = pos; | |
2847 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2848 | pos += beacon->probe_resp_len; | |
2849 | } | |
2850 | ||
2851 | return new_beacon; | |
2852 | } | |
2853 | ||
66e01cf9 | 2854 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2855 | { |
66e01cf9 | 2856 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2857 | |
66e01cf9 LC |
2858 | ieee80211_queue_work(&sdata->local->hw, |
2859 | &sdata->csa_finalize_work); | |
2860 | } | |
2861 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2862 | |
66199506 MK |
2863 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2864 | u32 *changed) | |
66e01cf9 | 2865 | { |
66199506 | 2866 | int err; |
7578d575 | 2867 | |
cd7760e6 SW |
2868 | switch (sdata->vif.type) { |
2869 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2870 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2871 | NULL); | |
97518af1 MK |
2872 | kfree(sdata->u.ap.next_beacon); |
2873 | sdata->u.ap.next_beacon = NULL; | |
2874 | ||
cd7760e6 | 2875 | if (err < 0) |
66199506 MK |
2876 | return err; |
2877 | *changed |= err; | |
cd7760e6 SW |
2878 | break; |
2879 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2880 | err = ieee80211_ibss_finish_csa(sdata); |
2881 | if (err < 0) | |
66199506 MK |
2882 | return err; |
2883 | *changed |= err; | |
cd7760e6 | 2884 | break; |
b8456a14 CYY |
2885 | #ifdef CONFIG_MAC80211_MESH |
2886 | case NL80211_IFTYPE_MESH_POINT: | |
2887 | err = ieee80211_mesh_finish_csa(sdata); | |
2888 | if (err < 0) | |
66199506 MK |
2889 | return err; |
2890 | *changed |= err; | |
b8456a14 CYY |
2891 | break; |
2892 | #endif | |
cd7760e6 SW |
2893 | default: |
2894 | WARN_ON(1); | |
66199506 MK |
2895 | return -EINVAL; |
2896 | } | |
2897 | ||
2898 | return 0; | |
2899 | } | |
2900 | ||
cf8767dd | 2901 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2902 | { |
2903 | struct ieee80211_local *local = sdata->local; | |
2904 | u32 changed = 0; | |
2905 | int err; | |
2906 | ||
2907 | sdata_assert_lock(sdata); | |
2908 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2909 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2910 | |
03078de4 MK |
2911 | /* |
2912 | * using reservation isn't immediate as it may be deferred until later | |
2913 | * with multi-vif. once reservation is complete it will re-schedule the | |
2914 | * work with no reserved_chanctx so verify chandef to check if it | |
2915 | * completed successfully | |
2916 | */ | |
66199506 | 2917 | |
03078de4 MK |
2918 | if (sdata->reserved_chanctx) { |
2919 | /* | |
2920 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2921 | * many times while waiting for other interfaces to use their | |
2922 | * reservations | |
2923 | */ | |
2924 | if (sdata->reserved_ready) | |
2925 | return 0; | |
2926 | ||
408b18ab | 2927 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2928 | } |
73da7d5b | 2929 | |
03078de4 MK |
2930 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
2931 | &sdata->csa_chandef)) | |
2932 | return -EINVAL; | |
2933 | ||
66199506 MK |
2934 | sdata->vif.csa_active = false; |
2935 | ||
2936 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2937 | if (err) | |
cf8767dd | 2938 | return err; |
faf046e7 | 2939 | |
66199506 | 2940 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 2941 | |
a46992b4 LC |
2942 | if (sdata->csa_block_tx) { |
2943 | ieee80211_wake_vif_queues(local, sdata, | |
2944 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
2945 | sdata->csa_block_tx = false; | |
2946 | } | |
cf8767dd | 2947 | |
f1d65583 LC |
2948 | err = drv_post_channel_switch(sdata); |
2949 | if (err) | |
2950 | return err; | |
2951 | ||
2952 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
2953 | ||
cf8767dd MK |
2954 | return 0; |
2955 | } | |
2956 | ||
2957 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
2958 | { | |
2959 | if (__ieee80211_csa_finalize(sdata)) { | |
2960 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
2961 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
2962 | GFP_KERNEL); | |
2963 | } | |
66e01cf9 LC |
2964 | } |
2965 | ||
2966 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2967 | { | |
2968 | struct ieee80211_sub_if_data *sdata = | |
2969 | container_of(work, struct ieee80211_sub_if_data, | |
2970 | csa_finalize_work); | |
59af6928 | 2971 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
2972 | |
2973 | sdata_lock(sdata); | |
59af6928 | 2974 | mutex_lock(&local->mtx); |
03078de4 | 2975 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 2976 | |
66e01cf9 LC |
2977 | /* AP might have been stopped while waiting for the lock. */ |
2978 | if (!sdata->vif.csa_active) | |
2979 | goto unlock; | |
2980 | ||
2981 | if (!ieee80211_sdata_running(sdata)) | |
2982 | goto unlock; | |
2983 | ||
2984 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
2985 | |
2986 | unlock: | |
03078de4 | 2987 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 2988 | mutex_unlock(&local->mtx); |
e487eaeb | 2989 | sdata_unlock(sdata); |
73da7d5b SW |
2990 | } |
2991 | ||
37fa2bdd MK |
2992 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2993 | struct cfg80211_csa_settings *params, | |
2994 | u32 *changed) | |
73da7d5b | 2995 | { |
af296bdb | 2996 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 2997 | int err; |
73da7d5b | 2998 | |
73da7d5b SW |
2999 | switch (sdata->vif.type) { |
3000 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3001 | sdata->u.ap.next_beacon = |
3002 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3003 | if (!sdata->u.ap.next_beacon) | |
3004 | return -ENOMEM; | |
3005 | ||
66e01cf9 LC |
3006 | /* |
3007 | * With a count of 0, we don't have to wait for any | |
3008 | * TBTT before switching, so complete the CSA | |
3009 | * immediately. In theory, with a count == 1 we | |
3010 | * should delay the switch until just before the next | |
3011 | * TBTT, but that would complicate things so we switch | |
3012 | * immediately too. If we would delay the switch | |
3013 | * until the next TBTT, we would have to set the probe | |
3014 | * response here. | |
3015 | * | |
3016 | * TODO: A channel switch with count <= 1 without | |
3017 | * sending a CSA action frame is kind of useless, | |
3018 | * because the clients won't know we're changing | |
3019 | * channels. The action frame must be implemented | |
3020 | * either here or in the userspace. | |
3021 | */ | |
3022 | if (params->count <= 1) | |
3023 | break; | |
3024 | ||
0d06d9ba AO |
3025 | if ((params->n_counter_offsets_beacon > |
3026 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3027 | (params->n_counter_offsets_presp > | |
3028 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3029 | return -EINVAL; | |
9a774c78 | 3030 | |
af296bdb MK |
3031 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
3032 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
3033 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
3034 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
3035 | csa.count = params->count; | |
9a774c78 | 3036 | |
af296bdb | 3037 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
3038 | if (err < 0) { |
3039 | kfree(sdata->u.ap.next_beacon); | |
3040 | return err; | |
3041 | } | |
37fa2bdd | 3042 | *changed |= err; |
66e01cf9 | 3043 | |
cd7760e6 SW |
3044 | break; |
3045 | case NL80211_IFTYPE_ADHOC: | |
3046 | if (!sdata->vif.bss_conf.ibss_joined) | |
3047 | return -EINVAL; | |
3048 | ||
3049 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3050 | return -EINVAL; | |
3051 | ||
3052 | switch (params->chandef.width) { | |
3053 | case NL80211_CHAN_WIDTH_40: | |
3054 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3055 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3056 | return -EINVAL; | |
3057 | case NL80211_CHAN_WIDTH_5: | |
3058 | case NL80211_CHAN_WIDTH_10: | |
3059 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3060 | case NL80211_CHAN_WIDTH_20: | |
3061 | break; | |
3062 | default: | |
3063 | return -EINVAL; | |
3064 | } | |
3065 | ||
3066 | /* changes into another band are not supported */ | |
3067 | if (sdata->u.ibss.chandef.chan->band != | |
3068 | params->chandef.chan->band) | |
3069 | return -EINVAL; | |
3070 | ||
66e01cf9 LC |
3071 | /* see comments in the NL80211_IFTYPE_AP block */ |
3072 | if (params->count > 1) { | |
3073 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3074 | if (err < 0) | |
3075 | return err; | |
37fa2bdd | 3076 | *changed |= err; |
66e01cf9 LC |
3077 | } |
3078 | ||
3079 | ieee80211_send_action_csa(sdata, params); | |
3080 | ||
73da7d5b | 3081 | break; |
c6da674a | 3082 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3083 | case NL80211_IFTYPE_MESH_POINT: { |
3084 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3085 | |
c6da674a CYY |
3086 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3087 | return -EINVAL; | |
3088 | ||
3089 | /* changes into another band are not supported */ | |
3090 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3091 | params->chandef.chan->band) | |
3092 | return -EINVAL; | |
3093 | ||
c782bf8c | 3094 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3095 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3096 | if (!ifmsh->pre_value) |
3097 | ifmsh->pre_value = 1; | |
3098 | else | |
3099 | ifmsh->pre_value++; | |
3100 | } | |
0cb4d4dc | 3101 | |
66e01cf9 LC |
3102 | /* see comments in the NL80211_IFTYPE_AP block */ |
3103 | if (params->count > 1) { | |
3104 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3105 | if (err < 0) { | |
3106 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3107 | return err; | |
3108 | } | |
37fa2bdd | 3109 | *changed |= err; |
3f718fd8 | 3110 | } |
66e01cf9 LC |
3111 | |
3112 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3113 | ieee80211_send_action_csa(sdata, params); | |
3114 | ||
c6da674a | 3115 | break; |
37fa2bdd | 3116 | } |
c6da674a | 3117 | #endif |
73da7d5b SW |
3118 | default: |
3119 | return -EOPNOTSUPP; | |
3120 | } | |
3121 | ||
37fa2bdd MK |
3122 | return 0; |
3123 | } | |
3124 | ||
f29f58a9 LC |
3125 | static int |
3126 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3127 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3128 | { |
3129 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3130 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 3131 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 3132 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 3133 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
3134 | u32 changed = 0; |
3135 | int err; | |
37fa2bdd MK |
3136 | |
3137 | sdata_assert_lock(sdata); | |
59af6928 | 3138 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3139 | |
3140 | if (!list_empty(&local->roc_list) || local->scanning) | |
3141 | return -EBUSY; | |
3142 | ||
3143 | if (sdata->wdev.cac_started) | |
3144 | return -EBUSY; | |
3145 | ||
3146 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3147 | &sdata->vif.bss_conf.chandef)) | |
3148 | return -EINVAL; | |
3149 | ||
03078de4 MK |
3150 | /* don't allow another channel switch if one is already active. */ |
3151 | if (sdata->vif.csa_active) | |
3152 | return -EBUSY; | |
3153 | ||
2b32713d MK |
3154 | mutex_lock(&local->chanctx_mtx); |
3155 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3156 | lockdep_is_held(&local->chanctx_mtx)); | |
3157 | if (!conf) { | |
03078de4 MK |
3158 | err = -EBUSY; |
3159 | goto out; | |
37fa2bdd MK |
3160 | } |
3161 | ||
2b32713d | 3162 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
03078de4 MK |
3163 | if (!chanctx) { |
3164 | err = -EBUSY; | |
3165 | goto out; | |
37fa2bdd | 3166 | } |
37fa2bdd | 3167 | |
000baa5d LC |
3168 | ch_switch.timestamp = 0; |
3169 | ch_switch.device_timestamp = 0; | |
3170 | ch_switch.block_tx = params->block_tx; | |
3171 | ch_switch.chandef = params->chandef; | |
3172 | ch_switch.count = params->count; | |
3173 | ||
6d027bcc LC |
3174 | err = drv_pre_channel_switch(sdata, &ch_switch); |
3175 | if (err) | |
3176 | goto out; | |
3177 | ||
03078de4 MK |
3178 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
3179 | chanctx->mode, | |
3180 | params->radar_required); | |
3181 | if (err) | |
3182 | goto out; | |
37fa2bdd | 3183 | |
03078de4 MK |
3184 | /* if reservation is invalid then this will fail */ |
3185 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
3186 | if (err) { | |
3187 | ieee80211_vif_unreserve_chanctx(sdata); | |
3188 | goto out; | |
3189 | } | |
37fa2bdd MK |
3190 | |
3191 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
3192 | if (err) { |
3193 | ieee80211_vif_unreserve_chanctx(sdata); | |
3194 | goto out; | |
3195 | } | |
37fa2bdd | 3196 | |
33787fc4 | 3197 | sdata->csa_chandef = params->chandef; |
59af6928 | 3198 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3199 | sdata->vif.csa_active = true; |
3200 | ||
59af6928 | 3201 | if (sdata->csa_block_tx) |
a46992b4 LC |
3202 | ieee80211_stop_vif_queues(local, sdata, |
3203 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3204 | |
2f457293 LC |
3205 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
3206 | params->count); | |
3207 | ||
66e01cf9 LC |
3208 | if (changed) { |
3209 | ieee80211_bss_info_change_notify(sdata, changed); | |
3210 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3211 | } else { | |
3212 | /* if the beacon didn't change, we can finalize immediately */ | |
3213 | ieee80211_csa_finalize(sdata); | |
3214 | } | |
73da7d5b | 3215 | |
03078de4 MK |
3216 | out: |
3217 | mutex_unlock(&local->chanctx_mtx); | |
3218 | return err; | |
73da7d5b SW |
3219 | } |
3220 | ||
59af6928 MK |
3221 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3222 | struct cfg80211_csa_settings *params) | |
3223 | { | |
3224 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3225 | struct ieee80211_local *local = sdata->local; | |
3226 | int err; | |
3227 | ||
3228 | mutex_lock(&local->mtx); | |
3229 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3230 | mutex_unlock(&local->mtx); | |
3231 | ||
3232 | return err; | |
3233 | } | |
3234 | ||
71bbc994 | 3235 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3236 | struct cfg80211_mgmt_tx_params *params, |
3237 | u64 *cookie) | |
026331c4 | 3238 | { |
71bbc994 | 3239 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
3240 | struct ieee80211_local *local = sdata->local; |
3241 | struct sk_buff *skb; | |
3242 | struct sta_info *sta; | |
b176e629 | 3243 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3244 | bool need_offchan = false; |
e247bd90 | 3245 | u32 flags; |
2eb278e0 | 3246 | int ret; |
387910cc | 3247 | u8 *data; |
f7ca38df | 3248 | |
b176e629 | 3249 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3250 | flags = IEEE80211_TX_CTL_NO_ACK; |
3251 | else | |
3252 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3253 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3254 | ||
b176e629 | 3255 | if (params->no_cck) |
aad14ceb RM |
3256 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3257 | ||
9d38d85d JB |
3258 | switch (sdata->vif.type) { |
3259 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3260 | if (!sdata->vif.bss_conf.ibss_joined) |
3261 | need_offchan = true; | |
3262 | /* fall through */ | |
3263 | #ifdef CONFIG_MAC80211_MESH | |
3264 | case NL80211_IFTYPE_MESH_POINT: | |
3265 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3266 | !sdata->u.mesh.mesh_id_len) | |
3267 | need_offchan = true; | |
3268 | /* fall through */ | |
3269 | #endif | |
663fcafd JB |
3270 | case NL80211_IFTYPE_AP: |
3271 | case NL80211_IFTYPE_AP_VLAN: | |
3272 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3273 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3274 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3275 | !rcu_access_pointer(sdata->bss->beacon)) | |
3276 | need_offchan = true; | |
663fcafd | 3277 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3278 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3279 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3280 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3281 | break; |
3282 | rcu_read_lock(); | |
3283 | sta = sta_info_get(sdata, mgmt->da); | |
3284 | rcu_read_unlock(); | |
3285 | if (!sta) | |
3286 | return -ENOLINK; | |
3287 | break; | |
3288 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3289 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
3290 | if (!sdata->u.mgd.associated) |
3291 | need_offchan = true; | |
9d38d85d | 3292 | break; |
f142c6b9 JB |
3293 | case NL80211_IFTYPE_P2P_DEVICE: |
3294 | need_offchan = true; | |
3295 | break; | |
9d38d85d JB |
3296 | default: |
3297 | return -EOPNOTSUPP; | |
3298 | } | |
3299 | ||
f7aeb6fb AQ |
3300 | /* configurations requiring offchan cannot work if no channel has been |
3301 | * specified | |
3302 | */ | |
b176e629 | 3303 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3304 | return -EINVAL; |
3305 | ||
2eb278e0 JB |
3306 | mutex_lock(&local->mtx); |
3307 | ||
3308 | /* Check if the operating channel is the requested channel */ | |
3309 | if (!need_offchan) { | |
55de908a JB |
3310 | struct ieee80211_chanctx_conf *chanctx_conf; |
3311 | ||
3312 | rcu_read_lock(); | |
3313 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3314 | ||
f7aeb6fb | 3315 | if (chanctx_conf) { |
b176e629 AO |
3316 | need_offchan = params->chan && |
3317 | (params->chan != | |
3318 | chanctx_conf->def.chan); | |
3319 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3320 | ret = -EINVAL; |
3321 | rcu_read_unlock(); | |
3322 | goto out_unlock; | |
3323 | } else { | |
2eb278e0 | 3324 | need_offchan = true; |
f7aeb6fb | 3325 | } |
55de908a | 3326 | rcu_read_unlock(); |
2eb278e0 JB |
3327 | } |
3328 | ||
b176e629 | 3329 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3330 | ret = -EBUSY; |
3331 | goto out_unlock; | |
3332 | } | |
3333 | ||
b176e629 | 3334 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3335 | if (!skb) { |
3336 | ret = -ENOMEM; | |
3337 | goto out_unlock; | |
3338 | } | |
9d38d85d JB |
3339 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3340 | ||
387910cc AO |
3341 | data = skb_put(skb, params->len); |
3342 | memcpy(data, params->buf, params->len); | |
3343 | ||
3344 | /* Update CSA counters */ | |
3345 | if (sdata->vif.csa_active && | |
3346 | (sdata->vif.type == NL80211_IFTYPE_AP || | |
3347 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && | |
3348 | params->n_csa_offsets) { | |
3349 | int i; | |
af296bdb | 3350 | struct beacon_data *beacon = NULL; |
387910cc | 3351 | |
af296bdb MK |
3352 | rcu_read_lock(); |
3353 | ||
3354 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
3355 | beacon = rcu_dereference(sdata->u.ap.beacon); | |
3356 | else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
3357 | beacon = rcu_dereference(sdata->u.ibss.presp); | |
3358 | else if (ieee80211_vif_is_mesh(&sdata->vif)) | |
3359 | beacon = rcu_dereference(sdata->u.mesh.beacon); | |
3360 | ||
3361 | if (beacon) | |
3362 | for (i = 0; i < params->n_csa_offsets; i++) | |
3363 | data[params->csa_offsets[i]] = | |
3364 | beacon->csa_current_counter; | |
3365 | ||
3366 | rcu_read_unlock(); | |
387910cc | 3367 | } |
9d38d85d JB |
3368 | |
3369 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3370 | ||
3371 | skb->dev = sdata->dev; | |
9d38d85d | 3372 | |
2eb278e0 | 3373 | if (!need_offchan) { |
7f9f78ab | 3374 | *cookie = (unsigned long) skb; |
f30221e4 | 3375 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3376 | ret = 0; |
3377 | goto out_unlock; | |
f30221e4 JB |
3378 | } |
3379 | ||
6c17b77b SF |
3380 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3381 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
3382 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
3383 | IEEE80211_SKB_CB(skb)->hw_queue = | |
3384 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3385 | |
2eb278e0 | 3386 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3387 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3388 | params->wait, cookie, skb, | |
d339d5ca | 3389 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3390 | if (ret) |
3391 | kfree_skb(skb); | |
3392 | out_unlock: | |
3393 | mutex_unlock(&local->mtx); | |
3394 | return ret; | |
026331c4 JM |
3395 | } |
3396 | ||
f30221e4 | 3397 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3398 | struct wireless_dev *wdev, |
f30221e4 JB |
3399 | u64 cookie) |
3400 | { | |
71bbc994 | 3401 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3402 | |
2eb278e0 | 3403 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3404 | } |
3405 | ||
7be5086d | 3406 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3407 | struct wireless_dev *wdev, |
7be5086d JB |
3408 | u16 frame_type, bool reg) |
3409 | { | |
3410 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3411 | ||
6abe0563 | 3412 | switch (frame_type) { |
6abe0563 WH |
3413 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3414 | if (reg) | |
3415 | local->probe_req_reg++; | |
3416 | else | |
3417 | local->probe_req_reg--; | |
7be5086d | 3418 | |
35f5149e FF |
3419 | if (!local->open_count) |
3420 | break; | |
3421 | ||
6abe0563 WH |
3422 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3423 | break; | |
3424 | default: | |
3425 | break; | |
3426 | } | |
7be5086d JB |
3427 | } |
3428 | ||
15d96753 BR |
3429 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3430 | { | |
3431 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3432 | ||
3433 | if (local->started) | |
3434 | return -EOPNOTSUPP; | |
3435 | ||
3436 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3437 | } | |
3438 | ||
3439 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3440 | { | |
3441 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3442 | ||
3443 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3444 | } | |
3445 | ||
c68f4b89 JB |
3446 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3447 | struct net_device *dev, | |
3448 | struct cfg80211_gtk_rekey_data *data) | |
3449 | { | |
3450 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3451 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3452 | ||
3453 | if (!local->ops->set_rekey_data) | |
3454 | return -EOPNOTSUPP; | |
3455 | ||
3456 | drv_set_rekey_data(local, sdata, data); | |
3457 | ||
3458 | return 0; | |
3459 | } | |
3460 | ||
06500736 JB |
3461 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3462 | const u8 *peer, u64 *cookie) | |
3463 | { | |
3464 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3465 | struct ieee80211_local *local = sdata->local; | |
3466 | struct ieee80211_qos_hdr *nullfunc; | |
3467 | struct sk_buff *skb; | |
3468 | int size = sizeof(*nullfunc); | |
3469 | __le16 fc; | |
3470 | bool qos; | |
3471 | struct ieee80211_tx_info *info; | |
3472 | struct sta_info *sta; | |
55de908a JB |
3473 | struct ieee80211_chanctx_conf *chanctx_conf; |
3474 | enum ieee80211_band band; | |
06500736 JB |
3475 | |
3476 | rcu_read_lock(); | |
55de908a JB |
3477 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3478 | if (WARN_ON(!chanctx_conf)) { | |
3479 | rcu_read_unlock(); | |
3480 | return -EINVAL; | |
3481 | } | |
4bf88530 | 3482 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3483 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3484 | if (sta) { |
a74a8c84 | 3485 | qos = sta->sta.wme; |
b4487c2d JB |
3486 | } else { |
3487 | rcu_read_unlock(); | |
06500736 | 3488 | return -ENOLINK; |
b4487c2d | 3489 | } |
06500736 JB |
3490 | |
3491 | if (qos) { | |
3492 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3493 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3494 | IEEE80211_FCTL_FROMDS); | |
3495 | } else { | |
3496 | size -= 2; | |
3497 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3498 | IEEE80211_STYPE_NULLFUNC | | |
3499 | IEEE80211_FCTL_FROMDS); | |
3500 | } | |
3501 | ||
3502 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3503 | if (!skb) { |
3504 | rcu_read_unlock(); | |
06500736 | 3505 | return -ENOMEM; |
55de908a | 3506 | } |
06500736 JB |
3507 | |
3508 | skb->dev = dev; | |
3509 | ||
3510 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3511 | ||
3512 | nullfunc = (void *) skb_put(skb, size); | |
3513 | nullfunc->frame_control = fc; | |
3514 | nullfunc->duration_id = 0; | |
3515 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3516 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3517 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3518 | nullfunc->seq_ctrl = 0; | |
3519 | ||
3520 | info = IEEE80211_SKB_CB(skb); | |
3521 | ||
3522 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3523 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3524 | info->band = band; |
06500736 JB |
3525 | |
3526 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3527 | skb->priority = 7; | |
3528 | if (qos) | |
3529 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3530 | ||
3531 | local_bh_disable(); | |
73c4e195 | 3532 | ieee80211_xmit(sdata, skb); |
06500736 | 3533 | local_bh_enable(); |
55de908a | 3534 | rcu_read_unlock(); |
06500736 JB |
3535 | |
3536 | *cookie = (unsigned long) skb; | |
3537 | return 0; | |
3538 | } | |
3539 | ||
683b6d3b JB |
3540 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3541 | struct wireless_dev *wdev, | |
3542 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3543 | { |
55de908a | 3544 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3545 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3546 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3547 | int ret = -ENODATA; |
55de908a JB |
3548 | |
3549 | rcu_read_lock(); | |
feda3027 JB |
3550 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3551 | if (chanctx_conf) { | |
c12bc488 | 3552 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3553 | ret = 0; |
3554 | } else if (local->open_count > 0 && | |
3555 | local->open_count == local->monitors && | |
3556 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3557 | if (local->use_chanctx) | |
3558 | *chandef = local->monitor_chandef; | |
3559 | else | |
675a0b04 | 3560 | *chandef = local->_oper_chandef; |
683b6d3b | 3561 | ret = 0; |
55de908a JB |
3562 | } |
3563 | rcu_read_unlock(); | |
5b7ccaf3 | 3564 | |
683b6d3b | 3565 | return ret; |
5b7ccaf3 JB |
3566 | } |
3567 | ||
6d52563f JB |
3568 | #ifdef CONFIG_PM |
3569 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3570 | { | |
3571 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3572 | } | |
3573 | #endif | |
3574 | ||
32db6b54 KP |
3575 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3576 | struct net_device *dev, | |
3577 | struct cfg80211_qos_map *qos_map) | |
3578 | { | |
3579 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3580 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3581 | ||
3582 | if (qos_map) { | |
3583 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3584 | if (!new_qos_map) | |
3585 | return -ENOMEM; | |
3586 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3587 | } else { | |
3588 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3589 | new_qos_map = NULL; | |
3590 | } | |
3591 | ||
194ff52d | 3592 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3593 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3594 | if (old_qos_map) | |
3595 | kfree_rcu(old_qos_map, rcu_head); | |
3596 | ||
3597 | return 0; | |
3598 | } | |
3599 | ||
3b1700bd JM |
3600 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3601 | struct net_device *dev, | |
3602 | struct cfg80211_chan_def *chandef) | |
3603 | { | |
3604 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3605 | int ret; | |
3606 | u32 changed = 0; | |
3607 | ||
3608 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3609 | if (ret == 0) | |
3610 | ieee80211_bss_info_change_notify(sdata, changed); | |
3611 | ||
3612 | return ret; | |
3613 | } | |
3614 | ||
02219b3a JB |
3615 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3616 | u8 tsid, const u8 *peer, u8 up, | |
3617 | u16 admitted_time) | |
3618 | { | |
3619 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3620 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3621 | int ac = ieee802_1d_to_ac[up]; | |
3622 | ||
3623 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3624 | return -EOPNOTSUPP; | |
3625 | ||
3626 | if (!(sdata->wmm_acm & BIT(up))) | |
3627 | return -EINVAL; | |
3628 | ||
3629 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3630 | return -EBUSY; | |
3631 | ||
3632 | if (admitted_time) { | |
3633 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3634 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3635 | ifmgd->tx_tspec[ac].up = up; | |
3636 | } | |
3637 | ||
3638 | return 0; | |
3639 | } | |
3640 | ||
3641 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3642 | u8 tsid, const u8 *peer) | |
3643 | { | |
3644 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3645 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3646 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3647 | int ac; | |
3648 | ||
3649 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3650 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3651 | ||
3652 | /* skip unused entries */ | |
3653 | if (!tx_tspec->admitted_time) | |
3654 | continue; | |
3655 | ||
3656 | if (tx_tspec->tsid != tsid) | |
3657 | continue; | |
3658 | ||
3659 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3660 | tx_tspec->up = -1; | |
3661 | ||
3662 | /* Make sure that all packets have been sent to avoid to | |
3663 | * restore the QoS params on packets that are still on the | |
3664 | * queues. | |
3665 | */ | |
3666 | synchronize_net(); | |
3667 | ieee80211_flush_queues(local, sdata); | |
3668 | ||
3669 | /* restore the normal QoS parameters | |
3670 | * (unconditionally to avoid races) | |
3671 | */ | |
3672 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3673 | tx_tspec->downgraded = false; | |
3674 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3675 | ||
3676 | /* finally clear all the data */ | |
3677 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3678 | ||
3679 | return 0; | |
3680 | } | |
3681 | ||
3682 | return -ENOENT; | |
3683 | } | |
3684 | ||
8a47cea7 | 3685 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3686 | .add_virtual_intf = ieee80211_add_iface, |
3687 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3688 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3689 | .start_p2p_device = ieee80211_start_p2p_device, |
3690 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3691 | .add_key = ieee80211_add_key, |
3692 | .del_key = ieee80211_del_key, | |
62da92fb | 3693 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3694 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3695 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3696 | .start_ap = ieee80211_start_ap, |
3697 | .change_beacon = ieee80211_change_beacon, | |
3698 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3699 | .add_station = ieee80211_add_station, |
3700 | .del_station = ieee80211_del_station, | |
3701 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3702 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3703 | .dump_station = ieee80211_dump_station, |
1289723e | 3704 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3705 | #ifdef CONFIG_MAC80211_MESH |
3706 | .add_mpath = ieee80211_add_mpath, | |
3707 | .del_mpath = ieee80211_del_mpath, | |
3708 | .change_mpath = ieee80211_change_mpath, | |
3709 | .get_mpath = ieee80211_get_mpath, | |
3710 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3711 | .get_mpp = ieee80211_get_mpp, |
3712 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3713 | .update_mesh_config = ieee80211_update_mesh_config, |
3714 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3715 | .join_mesh = ieee80211_join_mesh, |
3716 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3717 | #endif |
239281f8 RL |
3718 | .join_ocb = ieee80211_join_ocb, |
3719 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3720 | .change_bss = ieee80211_change_bss, |
31888487 | 3721 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3722 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3723 | .suspend = ieee80211_suspend, |
3724 | .resume = ieee80211_resume, | |
2a519311 | 3725 | .scan = ieee80211_scan, |
79f460ca LC |
3726 | .sched_scan_start = ieee80211_sched_scan_start, |
3727 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3728 | .auth = ieee80211_auth, |
3729 | .assoc = ieee80211_assoc, | |
3730 | .deauth = ieee80211_deauth, | |
3731 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3732 | .join_ibss = ieee80211_join_ibss, |
3733 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3734 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3735 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3736 | .set_tx_power = ieee80211_set_tx_power, |
3737 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3738 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3739 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3740 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3741 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3742 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3743 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3744 | .remain_on_channel = ieee80211_remain_on_channel, |
3745 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3746 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3747 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3748 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3749 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3750 | .set_antenna = ieee80211_set_antenna, |
3751 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3752 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3753 | .tdls_oper = ieee80211_tdls_oper, |
3754 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3755 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3756 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3757 | .probe_client = ieee80211_probe_client, |
b53be792 | 3758 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3759 | #ifdef CONFIG_PM |
3760 | .set_wakeup = ieee80211_set_wakeup, | |
3761 | #endif | |
5b7ccaf3 | 3762 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3763 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3764 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3765 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3766 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3767 | .add_tx_ts = ieee80211_add_tx_ts, |
3768 | .del_tx_ts = ieee80211_del_tx_ts, | |
f0706e82 | 3769 | }; |