Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
b2eb0ee6 | 5 | * Copyright 2013-2015 Intel Mobile Communications GmbH |
e8e4f528 | 6 | * Copyright (C) 2015-2017 Intel Deutschland GmbH |
f0706e82 JB |
7 | * |
8 | * This file is GPLv2 as found in COPYING. | |
9 | */ | |
10 | ||
e8cbb4cb | 11 | #include <linux/ieee80211.h> |
f0706e82 JB |
12 | #include <linux/nl80211.h> |
13 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
881d966b | 15 | #include <net/net_namespace.h> |
5dfdaf58 | 16 | #include <linux/rcupdate.h> |
dfe018bf | 17 | #include <linux/if_ether.h> |
f0706e82 JB |
18 | #include <net/cfg80211.h> |
19 | #include "ieee80211_i.h" | |
24487981 | 20 | #include "driver-ops.h" |
2c8dccc7 | 21 | #include "rate.h" |
c5dd9c2b | 22 | #include "mesh.h" |
02219b3a | 23 | #include "wme.h" |
c5dd9c2b | 24 | |
65f1d600 JB |
25 | static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata, |
26 | struct vif_params *params) | |
8c5e6889 | 27 | { |
8c5e6889 JB |
28 | bool mu_mimo_groups = false; |
29 | bool mu_mimo_follow = false; | |
30 | ||
8c5e6889 JB |
31 | if (params->vht_mumimo_groups) { |
32 | u64 membership; | |
33 | ||
34 | BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN); | |
35 | ||
65f1d600 | 36 | memcpy(sdata->vif.bss_conf.mu_group.membership, |
8c5e6889 | 37 | params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); |
65f1d600 | 38 | memcpy(sdata->vif.bss_conf.mu_group.position, |
8c5e6889 JB |
39 | params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, |
40 | WLAN_USER_POSITION_LEN); | |
65f1d600 | 41 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS); |
8c5e6889 JB |
42 | /* don't care about endianness - just check for 0 */ |
43 | memcpy(&membership, params->vht_mumimo_groups, | |
44 | WLAN_MEMBERSHIP_LEN); | |
45 | mu_mimo_groups = membership != 0; | |
46 | } | |
47 | ||
48 | if (params->vht_mumimo_follow_addr) { | |
49 | mu_mimo_follow = | |
50 | is_valid_ether_addr(params->vht_mumimo_follow_addr); | |
65f1d600 | 51 | ether_addr_copy(sdata->u.mntr.mu_follow_addr, |
8c5e6889 JB |
52 | params->vht_mumimo_follow_addr); |
53 | } | |
54 | ||
65f1d600 JB |
55 | sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; |
56 | } | |
57 | ||
58 | static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, | |
59 | struct vif_params *params) | |
60 | { | |
61 | struct ieee80211_local *local = sdata->local; | |
62 | struct ieee80211_sub_if_data *monitor_sdata; | |
63 | ||
64 | /* check flags first */ | |
65 | if (params->flags && ieee80211_sdata_running(sdata)) { | |
66 | u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE; | |
67 | ||
68 | /* | |
69 | * Prohibit MONITOR_FLAG_COOK_FRAMES and | |
70 | * MONITOR_FLAG_ACTIVE to be changed while the | |
71 | * interface is up. | |
72 | * Else we would need to add a lot of cruft | |
73 | * to update everything: | |
74 | * cooked_mntrs, monitor and all fif_* counters | |
75 | * reconfigure hardware | |
76 | */ | |
77 | if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) | |
78 | return -EBUSY; | |
79 | } | |
80 | ||
81 | /* also validate MU-MIMO change */ | |
82 | monitor_sdata = rtnl_dereference(local->monitor_sdata); | |
83 | ||
84 | if (!monitor_sdata && | |
85 | (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) | |
86 | return -EOPNOTSUPP; | |
87 | ||
88 | /* apply all changes now - no failures allowed */ | |
89 | ||
90 | if (monitor_sdata) | |
91 | ieee80211_set_mu_mimo_follow(monitor_sdata, params); | |
92 | ||
93 | if (params->flags) { | |
94 | if (ieee80211_sdata_running(sdata)) { | |
95 | ieee80211_adjust_monitor_flags(sdata, -1); | |
96 | sdata->u.mntr.flags = params->flags; | |
97 | ieee80211_adjust_monitor_flags(sdata, 1); | |
98 | ||
99 | ieee80211_configure_filter(local); | |
100 | } else { | |
101 | /* | |
102 | * Because the interface is down, ieee80211_do_stop | |
103 | * and ieee80211_do_open take care of "everything" | |
104 | * mentioned in the comment above. | |
105 | */ | |
106 | sdata->u.mntr.flags = params->flags; | |
107 | } | |
108 | } | |
8c5e6889 JB |
109 | |
110 | return 0; | |
111 | } | |
112 | ||
552bff0c JB |
113 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
114 | const char *name, | |
6bab2e19 | 115 | unsigned char name_assign_type, |
84efbb84 | 116 | enum nl80211_iftype type, |
84efbb84 | 117 | struct vif_params *params) |
f0706e82 JB |
118 | { |
119 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 120 | struct wireless_dev *wdev; |
8cc9a739 MW |
121 | struct ieee80211_sub_if_data *sdata; |
122 | int err; | |
f0706e82 | 123 | |
6bab2e19 | 124 | err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); |
f9e10ce4 JB |
125 | if (err) |
126 | return ERR_PTR(err); | |
8cc9a739 | 127 | |
8c5e6889 JB |
128 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
129 | ||
130 | if (type == NL80211_IFTYPE_MONITOR) { | |
65f1d600 | 131 | err = ieee80211_set_mon_options(sdata, params); |
8c5e6889 JB |
132 | if (err) { |
133 | ieee80211_if_remove(sdata); | |
134 | return NULL; | |
135 | } | |
f9e10ce4 JB |
136 | } |
137 | ||
84efbb84 | 138 | return wdev; |
f0706e82 JB |
139 | } |
140 | ||
84efbb84 | 141 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 142 | { |
84efbb84 | 143 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 144 | |
75636525 | 145 | return 0; |
f0706e82 JB |
146 | } |
147 | ||
e36d56b6 JB |
148 | static int ieee80211_change_iface(struct wiphy *wiphy, |
149 | struct net_device *dev, | |
818a986e | 150 | enum nl80211_iftype type, |
2ec600d6 | 151 | struct vif_params *params) |
42613db7 | 152 | { |
9607e6b6 | 153 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 154 | int ret; |
42613db7 | 155 | |
05c914fe | 156 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
157 | if (ret) |
158 | return ret; | |
42613db7 | 159 | |
9bc383de | 160 | if (type == NL80211_IFTYPE_AP_VLAN && |
49ddf8e6 | 161 | params && params->use_4addr == 0) { |
a9b3cd7f | 162 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
49ddf8e6 JB |
163 | ieee80211_check_fast_rx_iface(sdata); |
164 | } else if (type == NL80211_IFTYPE_STATION && | |
165 | params && params->use_4addr >= 0) { | |
9bc383de | 166 | sdata->u.mgd.use_4addr = params->use_4addr; |
49ddf8e6 | 167 | } |
9bc383de | 168 | |
42bd20d9 | 169 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { |
65f1d600 JB |
170 | ret = ieee80211_set_mon_options(sdata, params); |
171 | if (ret) | |
172 | return ret; | |
85416a4f | 173 | } |
f7917af9 | 174 | |
42613db7 JB |
175 | return 0; |
176 | } | |
177 | ||
f142c6b9 JB |
178 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
179 | struct wireless_dev *wdev) | |
180 | { | |
b6a55015 LC |
181 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
182 | int ret; | |
183 | ||
184 | mutex_lock(&sdata->local->chanctx_mtx); | |
185 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
186 | mutex_unlock(&sdata->local->chanctx_mtx); | |
187 | if (ret < 0) | |
188 | return ret; | |
189 | ||
f142c6b9 JB |
190 | return ieee80211_do_open(wdev, true); |
191 | } | |
192 | ||
193 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
194 | struct wireless_dev *wdev) | |
195 | { | |
196 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
197 | } | |
198 | ||
708d50ed AB |
199 | static int ieee80211_start_nan(struct wiphy *wiphy, |
200 | struct wireless_dev *wdev, | |
201 | struct cfg80211_nan_conf *conf) | |
202 | { | |
203 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
204 | int ret; | |
205 | ||
206 | mutex_lock(&sdata->local->chanctx_mtx); | |
207 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
208 | mutex_unlock(&sdata->local->chanctx_mtx); | |
209 | if (ret < 0) | |
210 | return ret; | |
211 | ||
212 | ret = ieee80211_do_open(wdev, true); | |
213 | if (ret) | |
214 | return ret; | |
215 | ||
216 | ret = drv_start_nan(sdata->local, sdata, conf); | |
217 | if (ret) | |
218 | ieee80211_sdata_stop(sdata); | |
219 | ||
167e33f4 AB |
220 | sdata->u.nan.conf = *conf; |
221 | ||
708d50ed AB |
222 | return ret; |
223 | } | |
224 | ||
225 | static void ieee80211_stop_nan(struct wiphy *wiphy, | |
226 | struct wireless_dev *wdev) | |
227 | { | |
228 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
229 | ||
230 | drv_stop_nan(sdata->local, sdata); | |
231 | ieee80211_sdata_stop(sdata); | |
232 | } | |
233 | ||
5953ff6d AB |
234 | static int ieee80211_nan_change_conf(struct wiphy *wiphy, |
235 | struct wireless_dev *wdev, | |
236 | struct cfg80211_nan_conf *conf, | |
237 | u32 changes) | |
238 | { | |
239 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
240 | struct cfg80211_nan_conf new_conf; | |
241 | int ret = 0; | |
242 | ||
243 | if (sdata->vif.type != NL80211_IFTYPE_NAN) | |
244 | return -EOPNOTSUPP; | |
245 | ||
246 | if (!ieee80211_sdata_running(sdata)) | |
247 | return -ENETDOWN; | |
248 | ||
249 | new_conf = sdata->u.nan.conf; | |
250 | ||
251 | if (changes & CFG80211_NAN_CONF_CHANGED_PREF) | |
252 | new_conf.master_pref = conf->master_pref; | |
253 | ||
8585989d LC |
254 | if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) |
255 | new_conf.bands = conf->bands; | |
5953ff6d AB |
256 | |
257 | ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); | |
258 | if (!ret) | |
259 | sdata->u.nan.conf = new_conf; | |
260 | ||
261 | return ret; | |
262 | } | |
263 | ||
167e33f4 AB |
264 | static int ieee80211_add_nan_func(struct wiphy *wiphy, |
265 | struct wireless_dev *wdev, | |
266 | struct cfg80211_nan_func *nan_func) | |
267 | { | |
268 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
269 | int ret; | |
270 | ||
271 | if (sdata->vif.type != NL80211_IFTYPE_NAN) | |
272 | return -EOPNOTSUPP; | |
273 | ||
274 | if (!ieee80211_sdata_running(sdata)) | |
275 | return -ENETDOWN; | |
276 | ||
277 | spin_lock_bh(&sdata->u.nan.func_lock); | |
278 | ||
279 | ret = idr_alloc(&sdata->u.nan.function_inst_ids, | |
280 | nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, | |
281 | GFP_ATOMIC); | |
282 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
283 | ||
284 | if (ret < 0) | |
285 | return ret; | |
286 | ||
287 | nan_func->instance_id = ret; | |
288 | ||
289 | WARN_ON(nan_func->instance_id == 0); | |
290 | ||
291 | ret = drv_add_nan_func(sdata->local, sdata, nan_func); | |
292 | if (ret) { | |
293 | spin_lock_bh(&sdata->u.nan.func_lock); | |
294 | idr_remove(&sdata->u.nan.function_inst_ids, | |
295 | nan_func->instance_id); | |
296 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
297 | } | |
298 | ||
299 | return ret; | |
300 | } | |
301 | ||
302 | static struct cfg80211_nan_func * | |
303 | ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, | |
304 | u64 cookie) | |
305 | { | |
306 | struct cfg80211_nan_func *func; | |
307 | int id; | |
308 | ||
309 | lockdep_assert_held(&sdata->u.nan.func_lock); | |
310 | ||
311 | idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { | |
312 | if (func->cookie == cookie) | |
313 | return func; | |
314 | } | |
315 | ||
316 | return NULL; | |
317 | } | |
318 | ||
319 | static void ieee80211_del_nan_func(struct wiphy *wiphy, | |
320 | struct wireless_dev *wdev, u64 cookie) | |
321 | { | |
322 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
323 | struct cfg80211_nan_func *func; | |
324 | u8 instance_id = 0; | |
325 | ||
326 | if (sdata->vif.type != NL80211_IFTYPE_NAN || | |
327 | !ieee80211_sdata_running(sdata)) | |
328 | return; | |
329 | ||
330 | spin_lock_bh(&sdata->u.nan.func_lock); | |
331 | ||
332 | func = ieee80211_find_nan_func_by_cookie(sdata, cookie); | |
333 | if (func) | |
334 | instance_id = func->instance_id; | |
335 | ||
336 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
337 | ||
338 | if (instance_id) | |
339 | drv_del_nan_func(sdata->local, sdata, instance_id); | |
340 | } | |
341 | ||
b53be792 SW |
342 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
343 | struct net_device *dev, | |
344 | u16 noack_map) | |
345 | { | |
346 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
347 | ||
348 | sdata->noack_map = noack_map; | |
17c18bf8 JB |
349 | |
350 | ieee80211_check_fast_xmit_iface(sdata); | |
351 | ||
b53be792 SW |
352 | return 0; |
353 | } | |
354 | ||
e8cbb4cb | 355 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 356 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
357 | struct key_params *params) |
358 | { | |
26a58456 | 359 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 360 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 361 | struct sta_info *sta = NULL; |
2475b1cc | 362 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 363 | struct ieee80211_key *key; |
3b96766f | 364 | int err; |
e8cbb4cb | 365 | |
26a58456 | 366 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
367 | return -ENETDOWN; |
368 | ||
97359d12 | 369 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
370 | switch (params->cipher) { |
371 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 372 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 373 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 374 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 375 | return -EINVAL; |
3cfcf6ac | 376 | break; |
2475b1cc | 377 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 378 | case WLAN_CIPHER_SUITE_CCMP_256: |
2475b1cc | 379 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 380 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
8ade538b JM |
381 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
382 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
2475b1cc | 383 | case WLAN_CIPHER_SUITE_GCMP: |
00b9cfa3 | 384 | case WLAN_CIPHER_SUITE_GCMP_256: |
2475b1cc | 385 | break; |
e8cbb4cb | 386 | default: |
2475b1cc | 387 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 388 | break; |
e8cbb4cb JB |
389 | } |
390 | ||
97359d12 | 391 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
392 | params->key, params->seq_len, params->seq, |
393 | cs); | |
1ac62ba7 BH |
394 | if (IS_ERR(key)) |
395 | return PTR_ERR(key); | |
db4d1169 | 396 | |
e31b8213 JB |
397 | if (pairwise) |
398 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
399 | ||
2475b1cc | 400 | mutex_lock(&local->sta_mtx); |
3b96766f | 401 | |
e8cbb4cb | 402 | if (mac_addr) { |
850092db | 403 | sta = sta_info_get_bss(sdata, mac_addr); |
1626e0fa JB |
404 | /* |
405 | * The ASSOC test makes sure the driver is ready to | |
406 | * receive the key. When wpa_supplicant has roamed | |
407 | * using FT, it attempts to set the key before | |
408 | * association has completed, this rejects that attempt | |
d070f913 | 409 | * so it will set the key again after association. |
1626e0fa JB |
410 | * |
411 | * TODO: accept the key if we have a station entry and | |
412 | * add it to the device after the station. | |
413 | */ | |
414 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 415 | ieee80211_key_free_unused(key); |
3b96766f JB |
416 | err = -ENOENT; |
417 | goto out_unlock; | |
db4d1169 | 418 | } |
e8cbb4cb JB |
419 | } |
420 | ||
e548c49e JB |
421 | switch (sdata->vif.type) { |
422 | case NL80211_IFTYPE_STATION: | |
423 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
424 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
425 | break; | |
426 | case NL80211_IFTYPE_AP: | |
427 | case NL80211_IFTYPE_AP_VLAN: | |
428 | /* Keys without a station are used for TX only */ | |
429 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
430 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
431 | break; | |
432 | case NL80211_IFTYPE_ADHOC: | |
433 | /* no MFP (yet) */ | |
434 | break; | |
435 | case NL80211_IFTYPE_MESH_POINT: | |
436 | #ifdef CONFIG_MAC80211_MESH | |
437 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
438 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
439 | break; | |
440 | #endif | |
441 | case NL80211_IFTYPE_WDS: | |
442 | case NL80211_IFTYPE_MONITOR: | |
443 | case NL80211_IFTYPE_P2P_DEVICE: | |
cb3b7d87 | 444 | case NL80211_IFTYPE_NAN: |
e548c49e JB |
445 | case NL80211_IFTYPE_UNSPECIFIED: |
446 | case NUM_NL80211_IFTYPES: | |
447 | case NL80211_IFTYPE_P2P_CLIENT: | |
448 | case NL80211_IFTYPE_P2P_GO: | |
6e0bd6c3 | 449 | case NL80211_IFTYPE_OCB: |
e548c49e JB |
450 | /* shouldn't happen */ |
451 | WARN_ON_ONCE(1); | |
452 | break; | |
453 | } | |
454 | ||
2475b1cc MS |
455 | if (sta) |
456 | sta->cipher_scheme = cs; | |
457 | ||
3ffc2a90 | 458 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 459 | |
3b96766f | 460 | out_unlock: |
2475b1cc | 461 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
462 | |
463 | return err; | |
e8cbb4cb JB |
464 | } |
465 | ||
466 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 467 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 468 | { |
5c0c3641 JB |
469 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
470 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 471 | struct sta_info *sta; |
5c0c3641 | 472 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
473 | int ret; |
474 | ||
5c0c3641 JB |
475 | mutex_lock(&local->sta_mtx); |
476 | mutex_lock(&local->key_mtx); | |
3b96766f | 477 | |
e8cbb4cb | 478 | if (mac_addr) { |
3b96766f JB |
479 | ret = -ENOENT; |
480 | ||
0e5ded5a | 481 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 482 | if (!sta) |
3b96766f | 483 | goto out_unlock; |
e8cbb4cb | 484 | |
5c0c3641 | 485 | if (pairwise) |
2475b1cc | 486 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 487 | else |
40b275b6 | 488 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 489 | } else |
40b275b6 | 490 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 491 | |
5c0c3641 | 492 | if (!key) { |
3b96766f JB |
493 | ret = -ENOENT; |
494 | goto out_unlock; | |
495 | } | |
e8cbb4cb | 496 | |
3b8d9c29 | 497 | ieee80211_key_free(key, true); |
e8cbb4cb | 498 | |
3b96766f JB |
499 | ret = 0; |
500 | out_unlock: | |
5c0c3641 JB |
501 | mutex_unlock(&local->key_mtx); |
502 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
503 | |
504 | return ret; | |
e8cbb4cb JB |
505 | } |
506 | ||
62da92fb | 507 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
508 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
509 | void *cookie, | |
62da92fb JB |
510 | void (*callback)(void *cookie, |
511 | struct key_params *params)) | |
512 | { | |
14db74bc | 513 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
514 | struct sta_info *sta = NULL; |
515 | u8 seq[6] = {0}; | |
516 | struct key_params params; | |
e31b8213 | 517 | struct ieee80211_key *key = NULL; |
aba83a0b | 518 | u64 pn64; |
62da92fb JB |
519 | u32 iv32; |
520 | u16 iv16; | |
521 | int err = -ENOENT; | |
9352c19f | 522 | struct ieee80211_key_seq kseq = {}; |
62da92fb | 523 | |
14db74bc JB |
524 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
525 | ||
3b96766f JB |
526 | rcu_read_lock(); |
527 | ||
62da92fb | 528 | if (mac_addr) { |
0e5ded5a | 529 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
530 | if (!sta) |
531 | goto out; | |
532 | ||
354e159d | 533 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 534 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
535 | else if (!pairwise && |
536 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 537 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 538 | } else |
a3836e02 | 539 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
540 | |
541 | if (!key) | |
542 | goto out; | |
543 | ||
544 | memset(¶ms, 0, sizeof(params)); | |
545 | ||
97359d12 | 546 | params.cipher = key->conf.cipher; |
62da92fb | 547 | |
97359d12 JB |
548 | switch (key->conf.cipher) { |
549 | case WLAN_CIPHER_SUITE_TKIP: | |
f8079d43 EP |
550 | pn64 = atomic64_read(&key->conf.tx_pn); |
551 | iv32 = TKIP_PN_TO_IV32(pn64); | |
552 | iv16 = TKIP_PN_TO_IV16(pn64); | |
62da92fb | 553 | |
9352c19f JB |
554 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
555 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
556 | drv_get_key_seq(sdata->local, key, &kseq); | |
557 | iv32 = kseq.tkip.iv32; | |
558 | iv16 = kseq.tkip.iv16; | |
559 | } | |
62da92fb JB |
560 | |
561 | seq[0] = iv16 & 0xff; | |
562 | seq[1] = (iv16 >> 8) & 0xff; | |
563 | seq[2] = iv32 & 0xff; | |
564 | seq[3] = (iv32 >> 8) & 0xff; | |
565 | seq[4] = (iv32 >> 16) & 0xff; | |
566 | seq[5] = (iv32 >> 24) & 0xff; | |
567 | params.seq = seq; | |
568 | params.seq_len = 6; | |
569 | break; | |
97359d12 | 570 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 571 | case WLAN_CIPHER_SUITE_CCMP_256: |
97359d12 | 572 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 573 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
db388a56 JB |
574 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
575 | offsetof(typeof(kseq), aes_cmac)); | |
8ade538b JM |
576 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
577 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
db388a56 JB |
578 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
579 | offsetof(typeof(kseq), aes_gmac)); | |
00b9cfa3 JM |
580 | case WLAN_CIPHER_SUITE_GCMP: |
581 | case WLAN_CIPHER_SUITE_GCMP_256: | |
db388a56 JB |
582 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
583 | offsetof(typeof(kseq), gcmp)); | |
584 | ||
9352c19f JB |
585 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
586 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
587 | drv_get_key_seq(sdata->local, key, &kseq); | |
db388a56 | 588 | memcpy(seq, kseq.ccmp.pn, 6); |
9352c19f | 589 | } else { |
db388a56 | 590 | pn64 = atomic64_read(&key->conf.tx_pn); |
9352c19f JB |
591 | seq[0] = pn64; |
592 | seq[1] = pn64 >> 8; | |
593 | seq[2] = pn64 >> 16; | |
594 | seq[3] = pn64 >> 24; | |
595 | seq[4] = pn64 >> 32; | |
596 | seq[5] = pn64 >> 40; | |
597 | } | |
00b9cfa3 JM |
598 | params.seq = seq; |
599 | params.seq_len = 6; | |
600 | break; | |
a31cf1c6 JB |
601 | default: |
602 | if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) | |
603 | break; | |
604 | if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) | |
605 | break; | |
606 | drv_get_key_seq(sdata->local, key, &kseq); | |
607 | params.seq = kseq.hw.seq; | |
608 | params.seq_len = kseq.hw.seq_len; | |
609 | break; | |
62da92fb JB |
610 | } |
611 | ||
612 | params.key = key->conf.key; | |
613 | params.key_len = key->conf.keylen; | |
614 | ||
615 | callback(cookie, ¶ms); | |
616 | err = 0; | |
617 | ||
618 | out: | |
3b96766f | 619 | rcu_read_unlock(); |
62da92fb JB |
620 | return err; |
621 | } | |
622 | ||
e8cbb4cb JB |
623 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
624 | struct net_device *dev, | |
dbd2fd65 JB |
625 | u8 key_idx, bool uni, |
626 | bool multi) | |
e8cbb4cb | 627 | { |
ad0e2b5a | 628 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 629 | |
f7e0104c | 630 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
631 | |
632 | return 0; | |
633 | } | |
634 | ||
3cfcf6ac JM |
635 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
636 | struct net_device *dev, | |
637 | u8 key_idx) | |
638 | { | |
66c52421 | 639 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 640 | |
3cfcf6ac JM |
641 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
642 | ||
3cfcf6ac JM |
643 | return 0; |
644 | } | |
645 | ||
6b62bf32 TP |
646 | void sta_set_rate_info_tx(struct sta_info *sta, |
647 | const struct ieee80211_tx_rate *rate, | |
648 | struct rate_info *rinfo) | |
649 | { | |
650 | rinfo->flags = 0; | |
8bc83c24 | 651 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 652 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
653 | rinfo->mcs = rate->idx; |
654 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
655 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
656 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
657 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
658 | } else { | |
659 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
660 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
661 | u16 brate; | |
662 | ||
21a8e9dd MSS |
663 | sband = ieee80211_get_sband(sta->sdata); |
664 | if (sband) { | |
665 | brate = sband->bitrates[rate->idx].bitrate; | |
666 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
667 | } | |
8bc83c24 | 668 | } |
6b62bf32 | 669 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
b51f3bee JB |
670 | rinfo->bw = RATE_INFO_BW_40; |
671 | else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) | |
672 | rinfo->bw = RATE_INFO_BW_80; | |
673 | else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
674 | rinfo->bw = RATE_INFO_BW_160; | |
675 | else | |
676 | rinfo->bw = RATE_INFO_BW_20; | |
6b62bf32 TP |
677 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
678 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
679 | } |
680 | ||
c5dd9c2b | 681 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 682 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 683 | { |
3b53fde8 | 684 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 685 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 686 | struct sta_info *sta; |
d0709a65 JB |
687 | int ret = -ENOENT; |
688 | ||
66572cfc | 689 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 690 | |
3b53fde8 | 691 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
692 | if (sta) { |
693 | ret = 0; | |
17741cdc | 694 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
695 | sta_set_sinfo(sta, sinfo); |
696 | } | |
c5dd9c2b | 697 | |
66572cfc | 698 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 699 | |
d0709a65 | 700 | return ret; |
c5dd9c2b LCC |
701 | } |
702 | ||
1289723e HS |
703 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
704 | int idx, struct survey_info *survey) | |
705 | { | |
706 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
707 | ||
1289723e HS |
708 | return drv_get_survey(local, idx, survey); |
709 | } | |
710 | ||
7bbdd2d9 | 711 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 712 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 713 | { |
abe60632 | 714 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 715 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 716 | struct sta_info *sta; |
d0709a65 | 717 | int ret = -ENOENT; |
7bbdd2d9 | 718 | |
66572cfc | 719 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 720 | |
0e5ded5a | 721 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
722 | if (sta) { |
723 | ret = 0; | |
724 | sta_set_sinfo(sta, sinfo); | |
725 | } | |
726 | ||
66572cfc | 727 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
728 | |
729 | return ret; | |
7bbdd2d9 JB |
730 | } |
731 | ||
55de908a | 732 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 733 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
734 | { |
735 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
736 | struct ieee80211_sub_if_data *sdata; |
737 | int ret = 0; | |
3d9e6e12 | 738 | |
4bf88530 | 739 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 740 | return 0; |
3d9e6e12 | 741 | |
34a3740d | 742 | mutex_lock(&local->mtx); |
55de908a | 743 | if (local->use_chanctx) { |
4a199068 | 744 | sdata = rtnl_dereference(local->monitor_sdata); |
55de908a JB |
745 | if (sdata) { |
746 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 747 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
748 | IEEE80211_CHANCTX_EXCLUSIVE); |
749 | } | |
750 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 751 | local->_oper_chandef = *chandef; |
55de908a JB |
752 | ieee80211_hw_config(local, 0); |
753 | } | |
3d9e6e12 | 754 | |
4bf88530 JB |
755 | if (ret == 0) |
756 | local->monitor_chandef = *chandef; | |
34a3740d | 757 | mutex_unlock(&local->mtx); |
3d9e6e12 | 758 | |
55de908a | 759 | return ret; |
e8c9bd5b JB |
760 | } |
761 | ||
02945821 | 762 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
763 | const u8 *resp, size_t resp_len, |
764 | const struct ieee80211_csa_settings *csa) | |
02945821 | 765 | { |
aa7a0080 | 766 | struct probe_resp *new, *old; |
02945821 AN |
767 | |
768 | if (!resp || !resp_len) | |
aba4e6ff | 769 | return 1; |
02945821 | 770 | |
7ca133bc | 771 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 772 | |
aa7a0080 | 773 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
774 | if (!new) |
775 | return -ENOMEM; | |
776 | ||
aa7a0080 ES |
777 | new->len = resp_len; |
778 | memcpy(new->data, resp, resp_len); | |
02945821 | 779 | |
af296bdb MK |
780 | if (csa) |
781 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
782 | csa->n_counter_offsets_presp * | |
783 | sizeof(new->csa_counter_offsets[0])); | |
784 | ||
02945821 | 785 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
786 | if (old) |
787 | kfree_rcu(old, rcu_head); | |
02945821 AN |
788 | |
789 | return 0; | |
790 | } | |
791 | ||
0ae07968 | 792 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
793 | struct cfg80211_beacon_data *params, |
794 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
795 | { |
796 | struct beacon_data *new, *old; | |
797 | int new_head_len, new_tail_len; | |
8860020e JB |
798 | int size, err; |
799 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 800 | |
7ca133bc SW |
801 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
802 | ||
5dfdaf58 | 803 | |
5dfdaf58 JB |
804 | /* Need to have a beacon head if we don't have one yet */ |
805 | if (!params->head && !old) | |
8860020e | 806 | return -EINVAL; |
5dfdaf58 JB |
807 | |
808 | /* new or old head? */ | |
809 | if (params->head) | |
810 | new_head_len = params->head_len; | |
811 | else | |
812 | new_head_len = old->head_len; | |
813 | ||
814 | /* new or old tail? */ | |
815 | if (params->tail || !old) | |
816 | /* params->tail_len will be zero for !params->tail */ | |
817 | new_tail_len = params->tail_len; | |
818 | else | |
819 | new_tail_len = old->tail_len; | |
820 | ||
821 | size = sizeof(*new) + new_head_len + new_tail_len; | |
822 | ||
823 | new = kzalloc(size, GFP_KERNEL); | |
824 | if (!new) | |
825 | return -ENOMEM; | |
826 | ||
827 | /* start filling the new info now */ | |
828 | ||
5dfdaf58 JB |
829 | /* |
830 | * pointers go into the block we allocated, | |
831 | * memory is | beacon_data | head | tail | | |
832 | */ | |
833 | new->head = ((u8 *) new) + sizeof(*new); | |
834 | new->tail = new->head + new_head_len; | |
835 | new->head_len = new_head_len; | |
836 | new->tail_len = new_tail_len; | |
837 | ||
af296bdb MK |
838 | if (csa) { |
839 | new->csa_current_counter = csa->count; | |
840 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
841 | csa->n_counter_offsets_beacon * | |
842 | sizeof(new->csa_counter_offsets[0])); | |
843 | } | |
844 | ||
5dfdaf58 JB |
845 | /* copy in head */ |
846 | if (params->head) | |
847 | memcpy(new->head, params->head, new_head_len); | |
848 | else | |
849 | memcpy(new->head, old->head, new_head_len); | |
850 | ||
851 | /* copy in optional tail */ | |
852 | if (params->tail) | |
853 | memcpy(new->tail, params->tail, new_tail_len); | |
854 | else | |
855 | if (old) | |
856 | memcpy(new->tail, old->tail, new_tail_len); | |
857 | ||
02945821 | 858 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 859 | params->probe_resp_len, csa); |
8860020e JB |
860 | if (err < 0) |
861 | return err; | |
862 | if (err == 0) | |
02945821 AN |
863 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
864 | ||
8860020e JB |
865 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
866 | ||
867 | if (old) | |
868 | kfree_rcu(old, rcu_head); | |
7827493b | 869 | |
8860020e | 870 | return changed; |
5dfdaf58 JB |
871 | } |
872 | ||
8860020e JB |
873 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
874 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 875 | { |
8860020e | 876 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 877 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 878 | struct beacon_data *old; |
665c93a9 | 879 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
880 | u32 changed = BSS_CHANGED_BEACON_INT | |
881 | BSS_CHANGED_BEACON_ENABLED | | |
882 | BSS_CHANGED_BEACON | | |
339afbf4 | 883 | BSS_CHANGED_SSID | |
4bcc56bb JB |
884 | BSS_CHANGED_P2P_PS | |
885 | BSS_CHANGED_TXPOWER; | |
8860020e | 886 | int err; |
14db74bc | 887 | |
7ca133bc | 888 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
889 | if (old) |
890 | return -EALREADY; | |
891 | ||
f6993174 EP |
892 | switch (params->smps_mode) { |
893 | case NL80211_SMPS_OFF: | |
894 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
895 | break; | |
896 | case NL80211_SMPS_STATIC: | |
897 | sdata->smps_mode = IEEE80211_SMPS_STATIC; | |
898 | break; | |
899 | case NL80211_SMPS_DYNAMIC: | |
900 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; | |
901 | break; | |
902 | default: | |
903 | return -EINVAL; | |
904 | } | |
04ecd257 JB |
905 | sdata->needed_rx_chains = sdata->local->rx_chains; |
906 | ||
ac668afe JB |
907 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
908 | ||
34a3740d | 909 | mutex_lock(&local->mtx); |
4bf88530 | 910 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 911 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
912 | if (!err) |
913 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 914 | mutex_unlock(&local->mtx); |
aa430da4 JB |
915 | if (err) |
916 | return err; | |
917 | ||
665c93a9 JB |
918 | /* |
919 | * Apply control port protocol, this allows us to | |
920 | * not encrypt dynamic WEP control frames. | |
921 | */ | |
922 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
923 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
924 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
925 | ¶ms->crypto, | |
926 | sdata->vif.type); | |
927 | ||
665c93a9 JB |
928 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
929 | vlan->control_port_protocol = | |
930 | params->crypto.control_port_ethertype; | |
931 | vlan->control_port_no_encrypt = | |
932 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
933 | vlan->encrypt_headroom = |
934 | ieee80211_cs_headroom(sdata->local, | |
935 | ¶ms->crypto, | |
936 | vlan->vif.type); | |
665c93a9 JB |
937 | } |
938 | ||
8860020e | 939 | sdata->vif.bss_conf.dtim_period = params->dtim_period; |
d6a83228 | 940 | sdata->vif.bss_conf.enable_beacon = true; |
52cfa1d6 | 941 | sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; |
8860020e JB |
942 | |
943 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
944 | if (params->ssid_len) | |
945 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
946 | params->ssid_len); | |
947 | sdata->vif.bss_conf.hidden_ssid = | |
948 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
949 | ||
67baf663 JD |
950 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
951 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
952 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
953 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
954 | if (params->p2p_opp_ps) | |
955 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
956 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 957 | |
af296bdb | 958 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
959 | if (err < 0) { |
960 | ieee80211_vif_release_channel(sdata); | |
8860020e | 961 | return err; |
0297ea17 | 962 | } |
8860020e JB |
963 | changed |= err; |
964 | ||
1041638f JB |
965 | err = drv_start_ap(sdata->local, sdata); |
966 | if (err) { | |
7ca133bc SW |
967 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
968 | ||
1041638f JB |
969 | if (old) |
970 | kfree_rcu(old, rcu_head); | |
971 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 972 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
973 | return err; |
974 | } | |
975 | ||
057d5f4b | 976 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
977 | ieee80211_bss_info_change_notify(sdata, changed); |
978 | ||
3edaf3e6 JB |
979 | netif_carrier_on(dev); |
980 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
981 | netif_carrier_on(vlan->dev); | |
982 | ||
665c93a9 | 983 | return 0; |
5dfdaf58 JB |
984 | } |
985 | ||
8860020e JB |
986 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
987 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 988 | { |
14db74bc | 989 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 990 | struct beacon_data *old; |
8860020e | 991 | int err; |
5dfdaf58 | 992 | |
14db74bc | 993 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 994 | sdata_assert_lock(sdata); |
14db74bc | 995 | |
73da7d5b SW |
996 | /* don't allow changing the beacon while CSA is in place - offset |
997 | * of channel switch counter may change | |
998 | */ | |
999 | if (sdata->vif.csa_active) | |
1000 | return -EBUSY; | |
1001 | ||
7ca133bc | 1002 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
1003 | if (!old) |
1004 | return -ENOENT; | |
1005 | ||
af296bdb | 1006 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
1007 | if (err < 0) |
1008 | return err; | |
1009 | ieee80211_bss_info_change_notify(sdata, err); | |
1010 | return 0; | |
5dfdaf58 JB |
1011 | } |
1012 | ||
8860020e | 1013 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1014 | { |
7b20b8e8 JB |
1015 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1016 | struct ieee80211_sub_if_data *vlan; | |
1017 | struct ieee80211_local *local = sdata->local; | |
1018 | struct beacon_data *old_beacon; | |
1019 | struct probe_resp *old_probe_resp; | |
d2859df5 | 1020 | struct cfg80211_chan_def chandef; |
14db74bc | 1021 | |
dbd72850 MK |
1022 | sdata_assert_lock(sdata); |
1023 | ||
7ca133bc | 1024 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 1025 | if (!old_beacon) |
5dfdaf58 | 1026 | return -ENOENT; |
7ca133bc | 1027 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 1028 | |
73da7d5b | 1029 | /* abort any running channel switch */ |
59af6928 | 1030 | mutex_lock(&local->mtx); |
73da7d5b | 1031 | sdata->vif.csa_active = false; |
a46992b4 LC |
1032 | if (sdata->csa_block_tx) { |
1033 | ieee80211_wake_vif_queues(local, sdata, | |
1034 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
1035 | sdata->csa_block_tx = false; | |
1036 | } | |
1037 | ||
59af6928 MK |
1038 | mutex_unlock(&local->mtx); |
1039 | ||
1f3b8a2b SW |
1040 | kfree(sdata->u.ap.next_beacon); |
1041 | sdata->u.ap.next_beacon = NULL; | |
1042 | ||
7b20b8e8 | 1043 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1044 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1045 | netif_carrier_off(vlan->dev); | |
1046 | netif_carrier_off(dev); | |
1047 | ||
7b20b8e8 | 1048 | /* remove beacon and probe response */ |
a9b3cd7f | 1049 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1050 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1051 | kfree_rcu(old_beacon, rcu_head); | |
1052 | if (old_probe_resp) | |
1053 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 1054 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 1055 | |
e716251d | 1056 | __sta_info_flush(sdata, true); |
7907c7d3 | 1057 | ieee80211_free_keys(sdata, true); |
75de9113 | 1058 | |
d6a83228 | 1059 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 1060 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 1061 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 1062 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1063 | |
a6b368f6 | 1064 | if (sdata->wdev.cac_started) { |
d2859df5 | 1065 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 1066 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
1067 | cfg80211_cac_event(sdata->dev, &chandef, |
1068 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
1069 | GFP_KERNEL); |
1070 | } | |
1071 | ||
1041638f JB |
1072 | drv_stop_ap(sdata->local, sdata); |
1073 | ||
7b20b8e8 JB |
1074 | /* free all potentially still buffered bcast frames */ |
1075 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
6b07d9ca | 1076 | ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); |
7b20b8e8 | 1077 | |
34a3740d | 1078 | mutex_lock(&local->mtx); |
4e141dad | 1079 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 1080 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1081 | mutex_unlock(&local->mtx); |
55de908a | 1082 | |
2d0ddec5 | 1083 | return 0; |
5dfdaf58 JB |
1084 | } |
1085 | ||
4fd6931e JB |
1086 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1087 | struct iapp_layer2_update { | |
1088 | u8 da[ETH_ALEN]; /* broadcast */ | |
1089 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1090 | __be16 len; /* 6 */ | |
1091 | u8 dsap; /* 0 */ | |
1092 | u8 ssap; /* 0 */ | |
1093 | u8 control; | |
1094 | u8 xid_info[3]; | |
bc10502d | 1095 | } __packed; |
4fd6931e JB |
1096 | |
1097 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1098 | { | |
1099 | struct iapp_layer2_update *msg; | |
1100 | struct sk_buff *skb; | |
1101 | ||
1102 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1103 | * bridge devices */ | |
1104 | ||
1105 | skb = dev_alloc_skb(sizeof(*msg)); | |
1106 | if (!skb) | |
1107 | return; | |
1108 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1109 | ||
1110 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1111 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1112 | ||
e83e6541 | 1113 | eth_broadcast_addr(msg->da); |
17741cdc | 1114 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1115 | msg->len = htons(6); |
1116 | msg->dsap = 0; | |
1117 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1118 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1119 | * F=0 (no poll command; unsolicited frame) */ | |
1120 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1121 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1122 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1123 | ||
d0709a65 JB |
1124 | skb->dev = sta->sdata->dev; |
1125 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1126 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1127 | netif_rx_ni(skb); |
4fd6931e JB |
1128 | } |
1129 | ||
d582cffb JB |
1130 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1131 | struct sta_info *sta, | |
1132 | u32 mask, u32 set) | |
1133 | { | |
1134 | int ret; | |
1135 | ||
1136 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1137 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1138 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1139 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1140 | if (ret) | |
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1145 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1146 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
c23e31cf MP |
1147 | /* |
1148 | * When peer becomes associated, init rate control as | |
1149 | * well. Some drivers require rate control initialized | |
1150 | * before drv_sta_state() is called. | |
1151 | */ | |
44674d9c | 1152 | if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) |
c23e31cf MP |
1153 | rate_control_rate_init(sta); |
1154 | ||
d582cffb JB |
1155 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
1156 | if (ret) | |
1157 | return ret; | |
1158 | } | |
1159 | ||
1160 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1161 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1162 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1163 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1164 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1165 | else | |
1166 | ret = 0; | |
1167 | if (ret) | |
1168 | return ret; | |
1169 | } | |
1170 | ||
1171 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1172 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1173 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1174 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1175 | if (ret) | |
1176 | return ret; | |
1177 | } | |
1178 | ||
1179 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1180 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1181 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1182 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1183 | if (ret) | |
1184 | return ret; | |
1185 | } | |
1186 | ||
1187 | return 0; | |
1188 | } | |
1189 | ||
13657702 JB |
1190 | static void sta_apply_mesh_params(struct ieee80211_local *local, |
1191 | struct sta_info *sta, | |
1192 | struct station_parameters *params) | |
1193 | { | |
1194 | #ifdef CONFIG_MAC80211_MESH | |
1195 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
1196 | u32 changed = 0; | |
1197 | ||
1198 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
1199 | switch (params->plink_state) { | |
1200 | case NL80211_PLINK_ESTAB: | |
1201 | if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) | |
1202 | changed = mesh_plink_inc_estab_count(sdata); | |
1203 | sta->mesh->plink_state = params->plink_state; | |
7d27a0ba | 1204 | sta->mesh->aid = params->peer_aid; |
13657702 JB |
1205 | |
1206 | ieee80211_mps_sta_status_update(sta); | |
1207 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1208 | sdata->u.mesh.mshcfg.power_mode); | |
1209 | break; | |
1210 | case NL80211_PLINK_LISTEN: | |
1211 | case NL80211_PLINK_BLOCKED: | |
1212 | case NL80211_PLINK_OPN_SNT: | |
1213 | case NL80211_PLINK_OPN_RCVD: | |
1214 | case NL80211_PLINK_CNF_RCVD: | |
1215 | case NL80211_PLINK_HOLDING: | |
1216 | if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) | |
1217 | changed = mesh_plink_dec_estab_count(sdata); | |
1218 | sta->mesh->plink_state = params->plink_state; | |
1219 | ||
1220 | ieee80211_mps_sta_status_update(sta); | |
1221 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1222 | NL80211_MESH_POWER_UNKNOWN); | |
1223 | break; | |
1224 | default: | |
1225 | /* nothing */ | |
1226 | break; | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | switch (params->plink_action) { | |
1231 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1232 | /* nothing */ | |
1233 | break; | |
1234 | case NL80211_PLINK_ACTION_OPEN: | |
1235 | changed |= mesh_plink_open(sta); | |
1236 | break; | |
1237 | case NL80211_PLINK_ACTION_BLOCK: | |
1238 | changed |= mesh_plink_block(sta); | |
1239 | break; | |
1240 | } | |
1241 | ||
1242 | if (params->local_pm) | |
1243 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1244 | params->local_pm); | |
1245 | ||
1246 | ieee80211_mbss_info_change_notify(sdata, changed); | |
1247 | #endif | |
1248 | } | |
1249 | ||
d9a7ddb0 JB |
1250 | static int sta_apply_parameters(struct ieee80211_local *local, |
1251 | struct sta_info *sta, | |
1252 | struct station_parameters *params) | |
4fd6931e | 1253 | { |
d9a7ddb0 | 1254 | int ret = 0; |
8318d78a | 1255 | struct ieee80211_supported_band *sband; |
d0709a65 | 1256 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 1257 | u32 mask, set; |
4fd6931e | 1258 | |
21a8e9dd MSS |
1259 | sband = ieee80211_get_sband(sdata); |
1260 | if (!sband) | |
1261 | return -EINVAL; | |
ae5eb026 | 1262 | |
eccb8e8f JB |
1263 | mask = params->sta_flags_mask; |
1264 | set = params->sta_flags_set; | |
73651ee6 | 1265 | |
d582cffb JB |
1266 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1267 | /* | |
1268 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1269 | * API but must follow AUTHENTICATED for driver state. | |
1270 | */ | |
1271 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1272 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1273 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1274 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1275 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1276 | /* | |
1277 | * TDLS -- everything follows authorized, but | |
1278 | * only becoming authorized is possible, not | |
1279 | * going back | |
1280 | */ | |
1281 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1282 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1283 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1284 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1285 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1286 | } | |
eccb8e8f | 1287 | } |
4fd6931e | 1288 | |
2c44be81 JB |
1289 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
1290 | local->hw.queues >= IEEE80211_NUM_ACS) | |
1291 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
1292 | ||
44674d9c AB |
1293 | /* auth flags will be set later for TDLS, |
1294 | * and for unassociated stations that move to assocaited */ | |
1295 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1296 | !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1297 | (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
68885a54 AN |
1298 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1299 | if (ret) | |
1300 | return ret; | |
1301 | } | |
d9a7ddb0 | 1302 | |
eccb8e8f | 1303 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1304 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1305 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1306 | else | |
1307 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1308 | } |
4fd6931e | 1309 | |
eccb8e8f | 1310 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
93f0490e | 1311 | sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); |
eccb8e8f | 1312 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1313 | set_sta_flag(sta, WLAN_STA_MFP); |
1314 | else | |
1315 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1316 | } |
b39c48fa | 1317 | |
07ba55d7 | 1318 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1319 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1320 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1321 | else | |
1322 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1323 | } |
4fd6931e | 1324 | |
9041c1fa AN |
1325 | /* mark TDLS channel switch support, if the AP allows it */ |
1326 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1327 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1328 | params->ext_capab_len >= 4 && | |
1329 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1330 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1331 | ||
b98fb44f | 1332 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
82c0cc90 | 1333 | !sdata->u.mgd.tdls_wider_bw_prohibited && |
b98fb44f AN |
1334 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && |
1335 | params->ext_capab_len >= 8 && | |
1336 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1337 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1338 | ||
3b9ce80c JB |
1339 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1340 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1341 | sta->sta.max_sp = params->max_sp; | |
1342 | } | |
9533b4ac | 1343 | |
506bcfa8 EG |
1344 | /* The sender might not have sent the last bit, consider it to be 0 */ |
1345 | if (params->ext_capab_len >= 8) { | |
1346 | u8 val = (params->ext_capab[7] & | |
1347 | WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; | |
1348 | ||
1349 | /* we did get all the bits, take the MSB as well */ | |
1350 | if (params->ext_capab_len >= 9) { | |
1351 | u8 val_msb = params->ext_capab[8] & | |
1352 | WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; | |
1353 | val_msb <<= 1; | |
1354 | val |= val_msb; | |
1355 | } | |
1356 | ||
1357 | switch (val) { | |
1358 | case 1: | |
1359 | sta->sta.max_amsdu_subframes = 32; | |
1360 | break; | |
1361 | case 2: | |
1362 | sta->sta.max_amsdu_subframes = 16; | |
1363 | break; | |
1364 | case 3: | |
1365 | sta->sta.max_amsdu_subframes = 8; | |
1366 | break; | |
1367 | default: | |
1368 | sta->sta.max_amsdu_subframes = 0; | |
1369 | } | |
1370 | } | |
1371 | ||
51b50fbe JB |
1372 | /* |
1373 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1374 | * only when creating a new station entry | |
1375 | */ | |
1376 | if (params->aid) | |
1377 | sta->sta.aid = params->aid; | |
1378 | ||
73651ee6 | 1379 | /* |
ba23d206 JB |
1380 | * Some of the following updates would be racy if called on an |
1381 | * existing station, via ieee80211_change_station(). However, | |
1382 | * all such changes are rejected by cfg80211 except for updates | |
1383 | * changing the supported rates on an existing but not yet used | |
1384 | * TDLS peer. | |
73651ee6 JB |
1385 | */ |
1386 | ||
4fd6931e JB |
1387 | if (params->listen_interval >= 0) |
1388 | sta->listen_interval = params->listen_interval; | |
1389 | ||
1390 | if (params->supported_rates) { | |
2103dec1 SW |
1391 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1392 | sband, params->supported_rates, | |
1393 | params->supported_rates_len, | |
21a8e9dd | 1394 | &sta->sta.supp_rates[sband->band]); |
4fd6931e | 1395 | } |
c5dd9c2b | 1396 | |
d9fe60de | 1397 | if (params->ht_capa) |
ef96a842 | 1398 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1399 | params->ht_capa, sta); |
36aedc90 | 1400 | |
506bcfa8 | 1401 | /* VHT can override some HT caps such as the A-MSDU max length */ |
f461be3e MP |
1402 | if (params->vht_capa) |
1403 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1404 | params->vht_capa, sta); |
f461be3e | 1405 | |
b1bce14a | 1406 | if (params->opmode_notif_used) { |
b1bce14a MK |
1407 | /* returned value is only needed for rc update, but the |
1408 | * rc isn't initialized here yet, so ignore it | |
1409 | */ | |
21a8e9dd MSS |
1410 | __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif, |
1411 | sband->band); | |
b1bce14a MK |
1412 | } |
1413 | ||
52cfa1d6 AB |
1414 | if (params->support_p2p_ps >= 0) |
1415 | sta->sta.support_p2p_ps = params->support_p2p_ps; | |
1416 | ||
13657702 JB |
1417 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1418 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1419 | |
68885a54 | 1420 | /* set the STA state after all sta info from usermode has been set */ |
44674d9c AB |
1421 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || |
1422 | set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { | |
68885a54 AN |
1423 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1424 | if (ret) | |
1425 | return ret; | |
1426 | } | |
1427 | ||
d9a7ddb0 | 1428 | return 0; |
4fd6931e JB |
1429 | } |
1430 | ||
1431 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1432 | const u8 *mac, |
1433 | struct station_parameters *params) | |
4fd6931e | 1434 | { |
14db74bc | 1435 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1436 | struct sta_info *sta; |
1437 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1438 | int err; |
b8d476c8 | 1439 | int layer2_update; |
4fd6931e | 1440 | |
4fd6931e JB |
1441 | if (params->vlan) { |
1442 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1443 | ||
05c914fe JB |
1444 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1445 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1446 | return -EINVAL; |
1447 | } else | |
1448 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1449 | ||
b203ca39 | 1450 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1451 | return -EINVAL; |
1452 | ||
1453 | if (is_multicast_ether_addr(mac)) | |
1454 | return -EINVAL; | |
1455 | ||
1456 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1457 | if (!sta) |
1458 | return -ENOMEM; | |
4fd6931e | 1459 | |
44674d9c AB |
1460 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
1461 | sta->sta.tdls = true; | |
4fd6931e | 1462 | |
d9a7ddb0 JB |
1463 | err = sta_apply_parameters(local, sta, params); |
1464 | if (err) { | |
1465 | sta_info_free(local, sta); | |
1466 | return err; | |
1467 | } | |
4fd6931e | 1468 | |
d64cf63e | 1469 | /* |
44674d9c AB |
1470 | * for TDLS and for unassociated station, rate control should be |
1471 | * initialized only when rates are known and station is marked | |
1472 | * authorized/associated | |
d64cf63e | 1473 | */ |
44674d9c AB |
1474 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1475 | test_sta_flag(sta, WLAN_STA_ASSOC)) | |
d64cf63e | 1476 | rate_control_rate_init(sta); |
4fd6931e | 1477 | |
b8d476c8 JM |
1478 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1479 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1480 | ||
34e89507 | 1481 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1482 | if (err) { |
73651ee6 JB |
1483 | rcu_read_unlock(); |
1484 | return err; | |
1485 | } | |
1486 | ||
b8d476c8 | 1487 | if (layer2_update) |
73651ee6 JB |
1488 | ieee80211_send_layer2_update(sta); |
1489 | ||
1490 | rcu_read_unlock(); | |
1491 | ||
4fd6931e JB |
1492 | return 0; |
1493 | } | |
1494 | ||
1495 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1496 | struct station_del_parameters *params) |
4fd6931e | 1497 | { |
14db74bc | 1498 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1499 | |
14db74bc JB |
1500 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1501 | ||
89c771e5 JM |
1502 | if (params->mac) |
1503 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1504 | |
b998e8bb | 1505 | sta_info_flush(sdata); |
4fd6931e JB |
1506 | return 0; |
1507 | } | |
1508 | ||
1509 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1510 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1511 | struct station_parameters *params) |
1512 | { | |
abe60632 | 1513 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1514 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1515 | struct sta_info *sta; |
1516 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1517 | enum cfg80211_station_type statype; |
35b88623 | 1518 | int err; |
4fd6931e | 1519 | |
87be1e1e | 1520 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1521 | |
0e5ded5a | 1522 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1523 | if (!sta) { |
77ee7c89 JB |
1524 | err = -ENOENT; |
1525 | goto out_err; | |
98dd6a57 | 1526 | } |
4fd6931e | 1527 | |
77ee7c89 JB |
1528 | switch (sdata->vif.type) { |
1529 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1530 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1531 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1532 | else |
eef941e6 | 1533 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1534 | break; |
1535 | case NL80211_IFTYPE_ADHOC: | |
1536 | statype = CFG80211_STA_IBSS; | |
1537 | break; | |
1538 | case NL80211_IFTYPE_STATION: | |
1539 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1540 | statype = CFG80211_STA_AP_STA; | |
1541 | break; | |
1542 | } | |
1543 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1544 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1545 | else | |
1546 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1547 | break; | |
1548 | case NL80211_IFTYPE_AP: | |
1549 | case NL80211_IFTYPE_AP_VLAN: | |
44674d9c AB |
1550 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
1551 | statype = CFG80211_STA_AP_CLIENT; | |
1552 | else | |
1553 | statype = CFG80211_STA_AP_CLIENT_UNASSOC; | |
77ee7c89 JB |
1554 | break; |
1555 | default: | |
1556 | err = -EOPNOTSUPP; | |
1557 | goto out_err; | |
bdd90d5e JB |
1558 | } |
1559 | ||
77ee7c89 JB |
1560 | err = cfg80211_check_station_change(wiphy, params, statype); |
1561 | if (err) | |
1562 | goto out_err; | |
1563 | ||
d0709a65 | 1564 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
1565 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1566 | ||
9bc383de | 1567 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1568 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1569 | err = -EBUSY; |
1570 | goto out_err; | |
3305443c | 1571 | } |
f14543ee | 1572 | |
cf778b00 | 1573 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
49ddf8e6 | 1574 | __ieee80211_check_fast_rx_iface(vlansdata); |
7e3ed02c FF |
1575 | } |
1576 | ||
1577 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
72f15d53 | 1578 | sta->sdata->u.vlan.sta) |
0c2bef46 | 1579 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
72f15d53 MB |
1580 | |
1581 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1582 | ieee80211_vif_dec_num_mcast(sta->sdata); | |
f14543ee | 1583 | |
14db74bc | 1584 | sta->sdata = vlansdata; |
464daaf0 | 1585 | ieee80211_check_fast_xmit(sta); |
7e3ed02c | 1586 | |
72f15d53 MB |
1587 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
1588 | ieee80211_vif_inc_num_mcast(sta->sdata); | |
7e3ed02c | 1589 | |
4fd6931e JB |
1590 | ieee80211_send_layer2_update(sta); |
1591 | } | |
1592 | ||
35b88623 | 1593 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1594 | if (err) |
1595 | goto out_err; | |
4fd6931e | 1596 | |
87be1e1e | 1597 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1598 | |
687da132 EG |
1599 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1600 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1601 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1602 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1603 | sta_info_tx_streams(sta) != 1) { | |
1604 | ht_dbg(sta->sdata, | |
1605 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1606 | sta->sta.addr); | |
1607 | ieee80211_send_smps_action(sta->sdata, | |
1608 | sta->sdata->bss->req_smps, | |
1609 | sta->sta.addr, | |
1610 | sta->sdata->vif.bss_conf.bssid); | |
1611 | } | |
1612 | ||
808118cb | 1613 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1614 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4a733ef1 | 1615 | ieee80211_recalc_ps(local); |
ab095877 EP |
1616 | ieee80211_recalc_ps_vif(sdata); |
1617 | } | |
77ee7c89 | 1618 | |
4fd6931e | 1619 | return 0; |
77ee7c89 JB |
1620 | out_err: |
1621 | mutex_unlock(&local->sta_mtx); | |
1622 | return err; | |
4fd6931e JB |
1623 | } |
1624 | ||
c5dd9c2b LCC |
1625 | #ifdef CONFIG_MAC80211_MESH |
1626 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1627 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1628 | { |
14db74bc | 1629 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1630 | struct mesh_path *mpath; |
1631 | struct sta_info *sta; | |
c5dd9c2b | 1632 | |
14db74bc JB |
1633 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1634 | ||
d0709a65 | 1635 | rcu_read_lock(); |
abe60632 | 1636 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1637 | if (!sta) { |
1638 | rcu_read_unlock(); | |
c5dd9c2b | 1639 | return -ENOENT; |
d0709a65 | 1640 | } |
c5dd9c2b | 1641 | |
ae76eef0 BC |
1642 | mpath = mesh_path_add(sdata, dst); |
1643 | if (IS_ERR(mpath)) { | |
d0709a65 | 1644 | rcu_read_unlock(); |
ae76eef0 | 1645 | return PTR_ERR(mpath); |
d0709a65 | 1646 | } |
c5dd9c2b | 1647 | |
c5dd9c2b | 1648 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1649 | |
c5dd9c2b LCC |
1650 | rcu_read_unlock(); |
1651 | return 0; | |
1652 | } | |
1653 | ||
1654 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1655 | const u8 *dst) |
c5dd9c2b | 1656 | { |
f698d856 JBG |
1657 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1658 | ||
c5dd9c2b | 1659 | if (dst) |
bf7cd94d | 1660 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1661 | |
ece1a2e7 | 1662 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1663 | return 0; |
1664 | } | |
1665 | ||
3b3a0162 JB |
1666 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1667 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1668 | { |
14db74bc | 1669 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1670 | struct mesh_path *mpath; |
1671 | struct sta_info *sta; | |
1672 | ||
14db74bc JB |
1673 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1674 | ||
d0709a65 JB |
1675 | rcu_read_lock(); |
1676 | ||
abe60632 | 1677 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1678 | if (!sta) { |
1679 | rcu_read_unlock(); | |
c5dd9c2b | 1680 | return -ENOENT; |
d0709a65 | 1681 | } |
c5dd9c2b | 1682 | |
bf7cd94d | 1683 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1684 | if (!mpath) { |
1685 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1686 | return -ENOENT; |
1687 | } | |
1688 | ||
1689 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1690 | |
c5dd9c2b LCC |
1691 | rcu_read_unlock(); |
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1696 | struct mpath_info *pinfo) | |
1697 | { | |
a3836e02 JB |
1698 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1699 | ||
1700 | if (next_hop_sta) | |
1701 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b | 1702 | else |
c84a67a2 | 1703 | eth_zero_addr(next_hop); |
c5dd9c2b | 1704 | |
7ce8c7a3 LAYS |
1705 | memset(pinfo, 0, sizeof(*pinfo)); |
1706 | ||
2bdaf386 | 1707 | pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; |
f5ea9120 | 1708 | |
c5dd9c2b | 1709 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1710 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1711 | MPATH_INFO_METRIC | |
1712 | MPATH_INFO_EXPTIME | | |
1713 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1714 | MPATH_INFO_DISCOVERY_RETRIES | | |
1715 | MPATH_INFO_FLAGS; | |
1716 | ||
1717 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1718 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1719 | pinfo->metric = mpath->metric; |
1720 | if (time_before(jiffies, mpath->exp_time)) | |
1721 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1722 | pinfo->discovery_timeout = | |
1723 | jiffies_to_msecs(mpath->discovery_timeout); | |
1724 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1725 | if (mpath->flags & MESH_PATH_ACTIVE) |
1726 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1727 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1728 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1729 | if (mpath->flags & MESH_PATH_SN_VALID) |
1730 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1731 | if (mpath->flags & MESH_PATH_FIXED) |
1732 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1733 | if (mpath->flags & MESH_PATH_RESOLVED) |
1734 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1735 | } |
1736 | ||
1737 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1738 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1739 | ||
1740 | { | |
14db74bc | 1741 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1742 | struct mesh_path *mpath; |
1743 | ||
14db74bc JB |
1744 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1745 | ||
c5dd9c2b | 1746 | rcu_read_lock(); |
bf7cd94d | 1747 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1748 | if (!mpath) { |
1749 | rcu_read_unlock(); | |
1750 | return -ENOENT; | |
1751 | } | |
1752 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1753 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1754 | rcu_read_unlock(); | |
1755 | return 0; | |
1756 | } | |
1757 | ||
1758 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1759 | int idx, u8 *dst, u8 *next_hop, |
1760 | struct mpath_info *pinfo) | |
c5dd9c2b | 1761 | { |
14db74bc | 1762 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1763 | struct mesh_path *mpath; |
1764 | ||
14db74bc JB |
1765 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1766 | ||
c5dd9c2b | 1767 | rcu_read_lock(); |
bf7cd94d | 1768 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1769 | if (!mpath) { |
1770 | rcu_read_unlock(); | |
1771 | return -ENOENT; | |
1772 | } | |
1773 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1774 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1775 | rcu_read_unlock(); | |
1776 | return 0; | |
1777 | } | |
93da9cc1 | 1778 | |
a2db2ed3 HR |
1779 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1780 | struct mpath_info *pinfo) | |
1781 | { | |
1782 | memset(pinfo, 0, sizeof(*pinfo)); | |
1783 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1784 | ||
2bdaf386 | 1785 | pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; |
a2db2ed3 HR |
1786 | } |
1787 | ||
1788 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1789 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1790 | ||
1791 | { | |
1792 | struct ieee80211_sub_if_data *sdata; | |
1793 | struct mesh_path *mpath; | |
1794 | ||
1795 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1796 | ||
1797 | rcu_read_lock(); | |
1798 | mpath = mpp_path_lookup(sdata, dst); | |
1799 | if (!mpath) { | |
1800 | rcu_read_unlock(); | |
1801 | return -ENOENT; | |
1802 | } | |
1803 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1804 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1805 | rcu_read_unlock(); | |
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1810 | int idx, u8 *dst, u8 *mpp, | |
1811 | struct mpath_info *pinfo) | |
1812 | { | |
1813 | struct ieee80211_sub_if_data *sdata; | |
1814 | struct mesh_path *mpath; | |
1815 | ||
1816 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1817 | ||
1818 | rcu_read_lock(); | |
1819 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1820 | if (!mpath) { | |
1821 | rcu_read_unlock(); | |
1822 | return -ENOENT; | |
1823 | } | |
1824 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1825 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1826 | rcu_read_unlock(); | |
1827 | return 0; | |
1828 | } | |
1829 | ||
24bdd9f4 | 1830 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1831 | struct net_device *dev, |
1832 | struct mesh_config *conf) | |
1833 | { | |
1834 | struct ieee80211_sub_if_data *sdata; | |
1835 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1836 | ||
93da9cc1 | 1837 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1838 | return 0; | |
1839 | } | |
1840 | ||
1841 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1842 | { | |
1843 | return (mask >> (parm-1)) & 0x1; | |
1844 | } | |
1845 | ||
c80d545d JC |
1846 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1847 | const struct mesh_setup *setup) | |
1848 | { | |
1849 | u8 *new_ie; | |
1850 | const u8 *old_ie; | |
4bb62344 CYY |
1851 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1852 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1853 | |
581a8b0f | 1854 | /* allocate information elements */ |
c80d545d | 1855 | new_ie = NULL; |
581a8b0f | 1856 | old_ie = ifmsh->ie; |
c80d545d | 1857 | |
581a8b0f JC |
1858 | if (setup->ie_len) { |
1859 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1860 | GFP_KERNEL); |
1861 | if (!new_ie) | |
1862 | return -ENOMEM; | |
1863 | } | |
581a8b0f JC |
1864 | ifmsh->ie_len = setup->ie_len; |
1865 | ifmsh->ie = new_ie; | |
1866 | kfree(old_ie); | |
c80d545d JC |
1867 | |
1868 | /* now copy the rest of the setup parameters */ | |
1869 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1870 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1871 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1872 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1873 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1874 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1875 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1876 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1877 | if (setup->is_authenticated) | |
1878 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1879 | if (setup->is_secure) | |
1880 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1881 | |
4bb62344 CYY |
1882 | /* mcast rate setting in Mesh Node */ |
1883 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1884 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1885 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1886 | |
9bdbf04d MP |
1887 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1888 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1889 | ||
c80d545d JC |
1890 | return 0; |
1891 | } | |
1892 | ||
24bdd9f4 | 1893 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1894 | struct net_device *dev, u32 mask, |
1895 | const struct mesh_config *nconf) | |
93da9cc1 | 1896 | { |
1897 | struct mesh_config *conf; | |
1898 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1899 | struct ieee80211_if_mesh *ifmsh; |
1900 | ||
93da9cc1 | 1901 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1902 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1903 | |
93da9cc1 | 1904 | /* Set the config options which we are interested in setting */ |
1905 | conf = &(sdata->u.mesh.mshcfg); | |
1906 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1907 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1908 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1909 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1910 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1911 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1912 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1913 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1914 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1915 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1916 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1917 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1918 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1919 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1920 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1921 | if (ifmsh->user_mpm) | |
1922 | return -EBUSY; | |
93da9cc1 | 1923 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1924 | } |
d299a1f2 JC |
1925 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1926 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1927 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1928 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1929 | conf->dot11MeshHWMPmaxPREQretries = | |
1930 | nconf->dot11MeshHWMPmaxPREQretries; | |
1931 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1932 | conf->path_refresh_time = nconf->path_refresh_time; | |
1933 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1934 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1935 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1936 | conf->dot11MeshHWMPactivePathTimeout = | |
1937 | nconf->dot11MeshHWMPactivePathTimeout; | |
1938 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1939 | conf->dot11MeshHWMPpreqMinInterval = | |
1940 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1941 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1942 | conf->dot11MeshHWMPperrMinInterval = | |
1943 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1944 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1945 | mask)) | |
1946 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1947 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1948 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1949 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1950 | ieee80211_mesh_root_setup(ifmsh); | |
1951 | } | |
16dd7267 | 1952 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1953 | /* our current gate announcement implementation rides on root |
1954 | * announcements, so require this ifmsh to also be a root node | |
1955 | * */ | |
1956 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1957 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1958 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1959 | ieee80211_mesh_root_setup(ifmsh); |
1960 | } | |
16dd7267 JC |
1961 | conf->dot11MeshGateAnnouncementProtocol = |
1962 | nconf->dot11MeshGateAnnouncementProtocol; | |
1963 | } | |
a4f606ea | 1964 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1965 | conf->dot11MeshHWMPRannInterval = |
1966 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1967 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1968 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1969 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1970 | /* our RSSI threshold implementation is supported only for | |
1971 | * devices that report signal in dBm. | |
1972 | */ | |
30686bf7 | 1973 | if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) |
55335137 AN |
1974 | return -ENOTSUPP; |
1975 | conf->rssi_threshold = nconf->rssi_threshold; | |
1976 | } | |
70c33eaa AN |
1977 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1978 | conf->ht_opmode = nconf->ht_opmode; | |
1979 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1980 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1981 | } | |
ac1073a6 CYY |
1982 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1983 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1984 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1985 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1986 | conf->dot11MeshHWMProotInterval = | |
1987 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1988 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1989 | conf->dot11MeshHWMPconfirmationInterval = | |
1990 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1991 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1992 | conf->power_mode = nconf->power_mode; | |
1993 | ieee80211_mps_local_status_update(sdata); | |
1994 | } | |
2b5e1967 | 1995 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1996 | conf->dot11MeshAwakeWindowDuration = |
1997 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1998 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1999 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 2000 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 2001 | return 0; |
2002 | } | |
2003 | ||
29cbe68c JB |
2004 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
2005 | const struct mesh_config *conf, | |
2006 | const struct mesh_setup *setup) | |
2007 | { | |
2008 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2009 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 2010 | int err; |
29cbe68c | 2011 | |
c80d545d JC |
2012 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
2013 | err = copy_mesh_setup(ifmsh, setup); | |
2014 | if (err) | |
2015 | return err; | |
cc1d2806 | 2016 | |
04ecd257 JB |
2017 | /* can mesh use other SMPS modes? */ |
2018 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2019 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
2020 | ||
34a3740d | 2021 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 2022 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 2023 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 2024 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
2025 | if (err) |
2026 | return err; | |
2027 | ||
2b5e1967 | 2028 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
2029 | } |
2030 | ||
2031 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
2032 | { | |
2033 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2034 | ||
2035 | ieee80211_stop_mesh(sdata); | |
34a3740d | 2036 | mutex_lock(&sdata->local->mtx); |
55de908a | 2037 | ieee80211_vif_release_channel(sdata); |
34a3740d | 2038 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
2039 | |
2040 | return 0; | |
2041 | } | |
c5dd9c2b LCC |
2042 | #endif |
2043 | ||
9f1ba906 JM |
2044 | static int ieee80211_change_bss(struct wiphy *wiphy, |
2045 | struct net_device *dev, | |
2046 | struct bss_parameters *params) | |
2047 | { | |
55de908a | 2048 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
21a8e9dd | 2049 | struct ieee80211_supported_band *sband; |
9f1ba906 JM |
2050 | u32 changed = 0; |
2051 | ||
7ca133bc | 2052 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
2053 | return -ENOENT; |
2054 | ||
21a8e9dd MSS |
2055 | sband = ieee80211_get_sband(sdata); |
2056 | if (!sband) | |
2057 | return -EINVAL; | |
9f1ba906 | 2058 | |
9f1ba906 | 2059 | if (params->use_cts_prot >= 0) { |
bda3933a | 2060 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
2061 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
2062 | } | |
2063 | if (params->use_short_preamble >= 0) { | |
bda3933a | 2064 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
2065 | params->use_short_preamble; |
2066 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
2067 | } | |
43d35343 FF |
2068 | |
2069 | if (!sdata->vif.bss_conf.use_short_slot && | |
21a8e9dd | 2070 | sband->band == NL80211_BAND_5GHZ) { |
43d35343 FF |
2071 | sdata->vif.bss_conf.use_short_slot = true; |
2072 | changed |= BSS_CHANGED_ERP_SLOT; | |
2073 | } | |
2074 | ||
9f1ba906 | 2075 | if (params->use_short_slot_time >= 0) { |
bda3933a | 2076 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
2077 | params->use_short_slot_time; |
2078 | changed |= BSS_CHANGED_ERP_SLOT; | |
2079 | } | |
2080 | ||
90c97a04 | 2081 | if (params->basic_rates) { |
2103dec1 | 2082 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
21a8e9dd | 2083 | wiphy->bands[sband->band], |
2103dec1 SW |
2084 | params->basic_rates, |
2085 | params->basic_rates_len, | |
2086 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 | 2087 | changed |= BSS_CHANGED_BASIC_RATES; |
e8e4f528 | 2088 | ieee80211_check_rate_mask(sdata); |
90c97a04 JM |
2089 | } |
2090 | ||
7b7b5e56 FF |
2091 | if (params->ap_isolate >= 0) { |
2092 | if (params->ap_isolate) | |
2093 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2094 | else | |
2095 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
49ddf8e6 | 2096 | ieee80211_check_fast_rx_iface(sdata); |
7b7b5e56 FF |
2097 | } |
2098 | ||
80d7e403 HS |
2099 | if (params->ht_opmode >= 0) { |
2100 | sdata->vif.bss_conf.ht_operation_mode = | |
2101 | (u16) params->ht_opmode; | |
2102 | changed |= BSS_CHANGED_HT; | |
2103 | } | |
2104 | ||
339afbf4 | 2105 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
2106 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
2107 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
2108 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2109 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
2110 | changed |= BSS_CHANGED_P2P_PS; |
2111 | } | |
2112 | ||
67baf663 JD |
2113 | if (params->p2p_opp_ps > 0) { |
2114 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2115 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
2116 | changed |= BSS_CHANGED_P2P_PS; | |
2117 | } else if (params->p2p_opp_ps == 0) { | |
2118 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
2119 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
2120 | changed |= BSS_CHANGED_P2P_PS; |
2121 | } | |
2122 | ||
9f1ba906 JM |
2123 | ieee80211_bss_info_change_notify(sdata, changed); |
2124 | ||
2125 | return 0; | |
2126 | } | |
2127 | ||
31888487 | 2128 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 2129 | struct net_device *dev, |
31888487 JM |
2130 | struct ieee80211_txq_params *params) |
2131 | { | |
2132 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 2133 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
2134 | struct ieee80211_tx_queue_params p; |
2135 | ||
2136 | if (!local->ops->conf_tx) | |
2137 | return -EOPNOTSUPP; | |
2138 | ||
54bcbc69 JB |
2139 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2140 | return -EOPNOTSUPP; | |
2141 | ||
31888487 JM |
2142 | memset(&p, 0, sizeof(p)); |
2143 | p.aifs = params->aifs; | |
2144 | p.cw_max = params->cwmax; | |
2145 | p.cw_min = params->cwmin; | |
2146 | p.txop = params->txop; | |
ab13315a KV |
2147 | |
2148 | /* | |
2149 | * Setting tx queue params disables u-apsd because it's only | |
2150 | * called in master mode. | |
2151 | */ | |
2152 | p.uapsd = false; | |
2153 | ||
a3304b0a JB |
2154 | sdata->tx_conf[params->ac] = p; |
2155 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2156 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2157 | "failed to set TX queue parameters for AC %d\n", |
2158 | params->ac); | |
31888487 JM |
2159 | return -EINVAL; |
2160 | } | |
2161 | ||
7d25745d JB |
2162 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2163 | ||
31888487 JM |
2164 | return 0; |
2165 | } | |
2166 | ||
665af4fc | 2167 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2168 | static int ieee80211_suspend(struct wiphy *wiphy, |
2169 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2170 | { |
eecc4800 | 2171 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2172 | } |
2173 | ||
2174 | static int ieee80211_resume(struct wiphy *wiphy) | |
2175 | { | |
2176 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2177 | } | |
2178 | #else | |
2179 | #define ieee80211_suspend NULL | |
2180 | #define ieee80211_resume NULL | |
2181 | #endif | |
2182 | ||
2a519311 | 2183 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2184 | struct cfg80211_scan_request *req) |
2185 | { | |
fd014284 JB |
2186 | struct ieee80211_sub_if_data *sdata; |
2187 | ||
2188 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2189 | |
2ca27bcf JB |
2190 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2191 | case NL80211_IFTYPE_STATION: | |
2192 | case NL80211_IFTYPE_ADHOC: | |
2193 | case NL80211_IFTYPE_MESH_POINT: | |
2194 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2195 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2196 | break; |
2197 | case NL80211_IFTYPE_P2P_GO: | |
2198 | if (sdata->local->ops->hw_scan) | |
2199 | break; | |
e9d7732e JB |
2200 | /* |
2201 | * FIXME: implement NoA while scanning in software, | |
2202 | * for now fall through to allow scanning only when | |
2203 | * beaconing hasn't been configured yet | |
2204 | */ | |
2ca27bcf | 2205 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2206 | /* |
2207 | * If the scan has been forced (and the driver supports | |
2208 | * forcing), don't care about being beaconing already. | |
2209 | * This will create problems to the attached stations (e.g. all | |
2210 | * the frames sent while scanning on other channel will be | |
2211 | * lost) | |
2212 | */ | |
2213 | if (sdata->u.ap.beacon && | |
2214 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2215 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2216 | return -EOPNOTSUPP; |
2217 | break; | |
cb3b7d87 | 2218 | case NL80211_IFTYPE_NAN: |
2ca27bcf JB |
2219 | default: |
2220 | return -EOPNOTSUPP; | |
2221 | } | |
2a519311 JB |
2222 | |
2223 | return ieee80211_request_scan(sdata, req); | |
2224 | } | |
2225 | ||
91f123f2 VK |
2226 | static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) |
2227 | { | |
2228 | ieee80211_scan_cancel(wiphy_priv(wiphy)); | |
2229 | } | |
2230 | ||
79f460ca LC |
2231 | static int |
2232 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2233 | struct net_device *dev, | |
2234 | struct cfg80211_sched_scan_request *req) | |
2235 | { | |
2236 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2237 | ||
2238 | if (!sdata->local->ops->sched_scan_start) | |
2239 | return -EOPNOTSUPP; | |
2240 | ||
2241 | return ieee80211_request_sched_scan_start(sdata, req); | |
2242 | } | |
2243 | ||
2244 | static int | |
3a3ecf1d AVS |
2245 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, |
2246 | u64 reqid) | |
79f460ca | 2247 | { |
0d440ea2 | 2248 | struct ieee80211_local *local = wiphy_priv(wiphy); |
79f460ca | 2249 | |
0d440ea2 | 2250 | if (!local->ops->sched_scan_stop) |
79f460ca LC |
2251 | return -EOPNOTSUPP; |
2252 | ||
0d440ea2 | 2253 | return ieee80211_request_sched_scan_stop(local); |
79f460ca LC |
2254 | } |
2255 | ||
636a5d36 JM |
2256 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2257 | struct cfg80211_auth_request *req) | |
2258 | { | |
77fdaa12 | 2259 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2260 | } |
2261 | ||
2262 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2263 | struct cfg80211_assoc_request *req) | |
2264 | { | |
77fdaa12 | 2265 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2266 | } |
2267 | ||
2268 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2269 | struct cfg80211_deauth_request *req) |
636a5d36 | 2270 | { |
63c9c5e7 | 2271 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2272 | } |
2273 | ||
2274 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2275 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2276 | { |
63c9c5e7 | 2277 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2278 | } |
2279 | ||
af8cdcd8 JB |
2280 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2281 | struct cfg80211_ibss_params *params) | |
2282 | { | |
55de908a | 2283 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2284 | } |
2285 | ||
2286 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2287 | { | |
55de908a | 2288 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2289 | } |
2290 | ||
239281f8 RL |
2291 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2292 | struct ocb_setup *setup) | |
2293 | { | |
2294 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2295 | } | |
2296 | ||
2297 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2298 | { | |
2299 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2300 | } | |
2301 | ||
391e53e3 | 2302 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
57fbcce3 | 2303 | int rate[NUM_NL80211_BANDS]) |
391e53e3 AQ |
2304 | { |
2305 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2306 | ||
9887dbf5 | 2307 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
57fbcce3 | 2308 | sizeof(int) * NUM_NL80211_BANDS); |
391e53e3 AQ |
2309 | |
2310 | return 0; | |
2311 | } | |
2312 | ||
b9a5f8ca JM |
2313 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2314 | { | |
2315 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2316 | int err; |
b9a5f8ca | 2317 | |
f23a4780 | 2318 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2319 | ieee80211_check_fast_xmit_all(local); |
2320 | ||
f23a4780 AN |
2321 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2322 | ||
17c18bf8 JB |
2323 | if (err) { |
2324 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2325 | return err; |
17c18bf8 | 2326 | } |
f23a4780 AN |
2327 | } |
2328 | ||
a4bcaf55 LB |
2329 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2330 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2331 | s16 coverage_class; | |
2332 | ||
2333 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2334 | wiphy->coverage_class : -1; | |
2335 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2336 | |
2337 | if (err) | |
2338 | return err; | |
2339 | } | |
2340 | ||
b9a5f8ca | 2341 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2342 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2343 | |
24487981 JB |
2344 | if (err) |
2345 | return err; | |
b9a5f8ca JM |
2346 | } |
2347 | ||
8bc83c24 JB |
2348 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2349 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2350 | return -EINVAL; | |
b9a5f8ca | 2351 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2352 | } |
2353 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2354 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2355 | return -EINVAL; | |
b9a5f8ca | 2356 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2357 | } |
b9a5f8ca JM |
2358 | if (changed & |
2359 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2360 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2361 | ||
2362 | return 0; | |
2363 | } | |
2364 | ||
7643a2c3 | 2365 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2366 | struct wireless_dev *wdev, |
fa61cf70 | 2367 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2368 | { |
2369 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2370 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2371 | enum nl80211_tx_power_setting txp_type = type; |
2372 | bool update_txp_type = false; | |
7643a2c3 | 2373 | |
1ea6f9c0 JB |
2374 | if (wdev) { |
2375 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2376 | ||
2377 | switch (type) { | |
2378 | case NL80211_TX_POWER_AUTOMATIC: | |
2379 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2380 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2381 | break; |
2382 | case NL80211_TX_POWER_LIMITED: | |
2383 | case NL80211_TX_POWER_FIXED: | |
2384 | if (mbm < 0 || (mbm % 100)) | |
2385 | return -EOPNOTSUPP; | |
2386 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2387 | break; | |
2388 | } | |
2389 | ||
db82d8a9 LB |
2390 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2391 | update_txp_type = true; | |
2392 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2393 | } | |
2394 | ||
2395 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2396 | |
2397 | return 0; | |
2398 | } | |
55de908a | 2399 | |
7643a2c3 | 2400 | switch (type) { |
fa61cf70 | 2401 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2402 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2403 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2404 | break; |
fa61cf70 | 2405 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2406 | case NL80211_TX_POWER_FIXED: |
2407 | if (mbm < 0 || (mbm % 100)) | |
2408 | return -EOPNOTSUPP; | |
fa61cf70 | 2409 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2410 | break; |
7643a2c3 JB |
2411 | } |
2412 | ||
1ea6f9c0 | 2413 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2414 | list_for_each_entry(sdata, &local->interfaces, list) { |
1ea6f9c0 | 2415 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2416 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2417 | update_txp_type = true; | |
2418 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2419 | } | |
1ea6f9c0 | 2420 | list_for_each_entry(sdata, &local->interfaces, list) |
db82d8a9 | 2421 | ieee80211_recalc_txpower(sdata, update_txp_type); |
1ea6f9c0 | 2422 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 JB |
2423 | |
2424 | return 0; | |
2425 | } | |
2426 | ||
c8442118 JB |
2427 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2428 | struct wireless_dev *wdev, | |
2429 | int *dbm) | |
7643a2c3 JB |
2430 | { |
2431 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2432 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2433 | |
5b3dc42b FF |
2434 | if (local->ops->get_txpower) |
2435 | return drv_get_txpower(local, sdata, dbm); | |
2436 | ||
1ea6f9c0 JB |
2437 | if (!local->use_chanctx) |
2438 | *dbm = local->hw.conf.power_level; | |
2439 | else | |
2440 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2441 | |
7643a2c3 JB |
2442 | return 0; |
2443 | } | |
2444 | ||
ab737a4f | 2445 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2446 | const u8 *addr) |
ab737a4f JB |
2447 | { |
2448 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2449 | ||
2450 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2451 | ||
2452 | return 0; | |
2453 | } | |
2454 | ||
1f87f7d3 JB |
2455 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2456 | { | |
2457 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2458 | ||
2459 | drv_rfkill_poll(local); | |
2460 | } | |
2461 | ||
aff89a9b | 2462 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2463 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2464 | struct wireless_dev *wdev, | |
2465 | void *data, int len) | |
aff89a9b JB |
2466 | { |
2467 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2468 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2469 | |
2470 | if (!local->ops->testmode_cmd) | |
2471 | return -EOPNOTSUPP; | |
2472 | ||
52981cd7 DS |
2473 | if (wdev) { |
2474 | struct ieee80211_sub_if_data *sdata; | |
2475 | ||
2476 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2477 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2478 | vif = &sdata->vif; | |
2479 | } | |
2480 | ||
2481 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2482 | } |
71063f0e WYG |
2483 | |
2484 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2485 | struct sk_buff *skb, | |
2486 | struct netlink_callback *cb, | |
2487 | void *data, int len) | |
2488 | { | |
2489 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2490 | ||
2491 | if (!local->ops->testmode_dump) | |
2492 | return -EOPNOTSUPP; | |
2493 | ||
2494 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2495 | } | |
aff89a9b JB |
2496 | #endif |
2497 | ||
687da132 EG |
2498 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2499 | enum ieee80211_smps_mode smps_mode) | |
2500 | { | |
2501 | struct sta_info *sta; | |
2502 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2503 | |
2504 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2505 | return -EINVAL; | |
2506 | ||
2507 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2508 | return 0; | |
2509 | ||
2510 | old_req = sdata->u.ap.req_smps; | |
2511 | sdata->u.ap.req_smps = smps_mode; | |
2512 | ||
2513 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2514 | if (old_req == smps_mode || | |
2515 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2516 | return 0; | |
2517 | ||
687da132 | 2518 | ht_dbg(sdata, |
6a8b4adb | 2519 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2520 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2521 | ||
2522 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2523 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2524 | /* | |
2525 | * Only stations associated to our AP and | |
2526 | * associated VLANs | |
2527 | */ | |
2528 | if (sta->sdata->bss != &sdata->u.ap) | |
2529 | continue; | |
687da132 | 2530 | |
7d9bb2f0 JB |
2531 | /* This station doesn't support MIMO - skip it */ |
2532 | if (sta_info_tx_streams(sta) == 1) | |
2533 | continue; | |
687da132 | 2534 | |
7d9bb2f0 JB |
2535 | /* |
2536 | * Don't wake up a STA just to send the action frame | |
2537 | * unless we are getting more restrictive. | |
2538 | */ | |
2539 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2540 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2541 | smps_mode)) { | |
2542 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2543 | sta->sta.addr); | |
2544 | continue; | |
2545 | } | |
687da132 | 2546 | |
7d9bb2f0 JB |
2547 | /* |
2548 | * If the STA is not authorized, wait until it gets | |
2549 | * authorized and the action frame will be sent then. | |
2550 | */ | |
2551 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2552 | continue; | |
687da132 | 2553 | |
7d9bb2f0 JB |
2554 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2555 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2556 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2557 | } |
2558 | mutex_unlock(&sdata->local->sta_mtx); | |
2559 | ||
2560 | sdata->smps_mode = smps_mode; | |
2561 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2562 | ||
2563 | return 0; | |
2564 | } | |
2565 | ||
2566 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2567 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2568 | { |
2569 | const u8 *ap; | |
2570 | enum ieee80211_smps_mode old_req; | |
2571 | int err; | |
d51c2ea3 AN |
2572 | struct sta_info *sta; |
2573 | bool tdls_peer_found = false; | |
0f78231b | 2574 | |
8d61ffa5 | 2575 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2576 | |
687da132 EG |
2577 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2578 | return -EINVAL; | |
2579 | ||
0f78231b JB |
2580 | old_req = sdata->u.mgd.req_smps; |
2581 | sdata->u.mgd.req_smps = smps_mode; | |
2582 | ||
2583 | if (old_req == smps_mode && | |
2584 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2585 | return 0; | |
2586 | ||
2587 | /* | |
2588 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2589 | * association, there's no need to do anything, just store |
2590 | * the new value until we associate. | |
0f78231b JB |
2591 | */ |
2592 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2593 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2594 | return 0; |
0f78231b | 2595 | |
0c1ad2ca | 2596 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2597 | |
d51c2ea3 AN |
2598 | rcu_read_lock(); |
2599 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2600 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2601 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2602 | continue; | |
2603 | ||
2604 | tdls_peer_found = true; | |
2605 | break; | |
2606 | } | |
2607 | rcu_read_unlock(); | |
2608 | ||
0f78231b | 2609 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2610 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2611 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2612 | else |
2613 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2614 | } |
2615 | ||
2616 | /* send SM PS frame to AP */ | |
2617 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2618 | ap, ap); | |
2619 | if (err) | |
2620 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2621 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2622 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2623 | |
2624 | return err; | |
2625 | } | |
2626 | ||
bc92afd9 JB |
2627 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2628 | bool enabled, int timeout) | |
2629 | { | |
2630 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2631 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2632 | |
2d3db210 | 2633 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2634 | return -EOPNOTSUPP; |
2635 | ||
30686bf7 | 2636 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2637 | return -EOPNOTSUPP; |
2638 | ||
2639 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2640 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2641 | return 0; |
2642 | ||
2643 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2644 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2645 | |
0f78231b | 2646 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2647 | sdata_lock(sdata); |
687da132 | 2648 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2649 | sdata_unlock(sdata); |
0f78231b | 2650 | |
30686bf7 | 2651 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2652 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2653 | ||
4a733ef1 | 2654 | ieee80211_recalc_ps(local); |
ab095877 | 2655 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2656 | |
2657 | return 0; | |
2658 | } | |
2659 | ||
a97c13c3 JO |
2660 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2661 | struct net_device *dev, | |
2662 | s32 rssi_thold, u32 rssi_hyst) | |
2663 | { | |
2664 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2665 | struct ieee80211_vif *vif = &sdata->vif; |
2666 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2667 | ||
a97c13c3 JO |
2668 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2669 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2670 | return 0; | |
2671 | ||
ef9be10c JB |
2672 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && |
2673 | !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) | |
2674 | return -EOPNOTSUPP; | |
2675 | ||
a97c13c3 JO |
2676 | bss_conf->cqm_rssi_thold = rssi_thold; |
2677 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2c3c5f8c AZ |
2678 | bss_conf->cqm_rssi_low = 0; |
2679 | bss_conf->cqm_rssi_high = 0; | |
2680 | sdata->u.mgd.last_cqm_event_signal = 0; | |
2681 | ||
2682 | /* tell the driver upon association, unless already associated */ | |
2683 | if (sdata->u.mgd.associated && | |
2684 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
2685 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
2686 | ||
2687 | return 0; | |
2688 | } | |
2689 | ||
2690 | static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, | |
2691 | struct net_device *dev, | |
2692 | s32 rssi_low, s32 rssi_high) | |
2693 | { | |
2694 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2695 | struct ieee80211_vif *vif = &sdata->vif; | |
2696 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2697 | ||
2698 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) | |
2699 | return -EOPNOTSUPP; | |
2700 | ||
2701 | bss_conf->cqm_rssi_low = rssi_low; | |
2702 | bss_conf->cqm_rssi_high = rssi_high; | |
2703 | bss_conf->cqm_rssi_thold = 0; | |
2704 | bss_conf->cqm_rssi_hyst = 0; | |
babc305e | 2705 | sdata->u.mgd.last_cqm_event_signal = 0; |
a97c13c3 JO |
2706 | |
2707 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2708 | if (sdata->u.mgd.associated && |
2709 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2710 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2711 | ||
2712 | return 0; | |
2713 | } | |
2714 | ||
9930380f JB |
2715 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2716 | struct net_device *dev, | |
2717 | const u8 *addr, | |
2718 | const struct cfg80211_bitrate_mask *mask) | |
2719 | { | |
2720 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2721 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2722 | int i, ret; |
2c7e6bc9 | 2723 | |
554a43d5 EP |
2724 | if (!ieee80211_sdata_running(sdata)) |
2725 | return -ENETDOWN; | |
2726 | ||
30686bf7 | 2727 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
bdbfd6b5 SM |
2728 | ret = drv_set_bitrate_mask(local, sdata, mask); |
2729 | if (ret) | |
2730 | return ret; | |
2731 | } | |
9930380f | 2732 | |
e8e4f528 JB |
2733 | /* |
2734 | * If active validate the setting and reject it if it doesn't leave | |
2735 | * at least one basic rate usable, since we really have to be able | |
2736 | * to send something, and if we're an AP we have to be able to do | |
2737 | * so at a basic rate so that all clients can receive it. | |
2738 | */ | |
2739 | if (rcu_access_pointer(sdata->vif.chanctx_conf) && | |
2740 | sdata->vif.bss_conf.chandef.chan) { | |
2741 | u32 basic_rates = sdata->vif.bss_conf.basic_rates; | |
2742 | enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; | |
2743 | ||
2744 | if (!(mask->control[band].legacy & basic_rates)) | |
2745 | return -EINVAL; | |
2746 | } | |
2747 | ||
57fbcce3 | 2748 | for (i = 0; i < NUM_NL80211_BANDS; i++) { |
2ffbe6d3 FF |
2749 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2750 | int j; | |
2751 | ||
37eb0b16 | 2752 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2753 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2754 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2755 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2756 | mask->control[i].vht_mcs, | |
2757 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2758 | |
2759 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2760 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2761 | if (!sband) |
2762 | continue; | |
2763 | ||
b119ad6e | 2764 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2df1b131 | 2765 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
2ffbe6d3 | 2766 | sdata->rc_has_mcs_mask[i] = true; |
2df1b131 JB |
2767 | break; |
2768 | } | |
2769 | } | |
b119ad6e | 2770 | |
2df1b131 JB |
2771 | for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { |
2772 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { | |
b119ad6e | 2773 | sdata->rc_has_vht_mcs_mask[i] = true; |
2ffbe6d3 | 2774 | break; |
2df1b131 | 2775 | } |
b119ad6e | 2776 | } |
19468413 | 2777 | } |
9930380f | 2778 | |
37eb0b16 | 2779 | return 0; |
9930380f JB |
2780 | } |
2781 | ||
164eb02d SW |
2782 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2783 | struct net_device *dev, | |
31559f35 JD |
2784 | struct cfg80211_chan_def *chandef, |
2785 | u32 cac_time_ms) | |
164eb02d SW |
2786 | { |
2787 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2788 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2789 | int err; |
2790 | ||
34a3740d JB |
2791 | mutex_lock(&local->mtx); |
2792 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2793 | err = -EBUSY; | |
2794 | goto out_unlock; | |
2795 | } | |
164eb02d SW |
2796 | |
2797 | /* whatever, but channel contexts should not complain about that one */ | |
2798 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2799 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2800 | |
164eb02d SW |
2801 | err = ieee80211_vif_use_channel(sdata, chandef, |
2802 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2803 | if (err) |
34a3740d | 2804 | goto out_unlock; |
164eb02d | 2805 | |
164eb02d | 2806 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2807 | &sdata->dfs_cac_timer_work, |
2808 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2809 | |
34a3740d JB |
2810 | out_unlock: |
2811 | mutex_unlock(&local->mtx); | |
2812 | return err; | |
164eb02d SW |
2813 | } |
2814 | ||
73da7d5b SW |
2815 | static struct cfg80211_beacon_data * |
2816 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2817 | { | |
2818 | struct cfg80211_beacon_data *new_beacon; | |
2819 | u8 *pos; | |
2820 | int len; | |
2821 | ||
2822 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2823 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2824 | beacon->probe_resp_len; | |
2825 | ||
2826 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2827 | if (!new_beacon) | |
2828 | return NULL; | |
2829 | ||
2830 | pos = (u8 *)(new_beacon + 1); | |
2831 | if (beacon->head_len) { | |
2832 | new_beacon->head_len = beacon->head_len; | |
2833 | new_beacon->head = pos; | |
2834 | memcpy(pos, beacon->head, beacon->head_len); | |
2835 | pos += beacon->head_len; | |
2836 | } | |
2837 | if (beacon->tail_len) { | |
2838 | new_beacon->tail_len = beacon->tail_len; | |
2839 | new_beacon->tail = pos; | |
2840 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2841 | pos += beacon->tail_len; | |
2842 | } | |
2843 | if (beacon->beacon_ies_len) { | |
2844 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2845 | new_beacon->beacon_ies = pos; | |
2846 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2847 | pos += beacon->beacon_ies_len; | |
2848 | } | |
2849 | if (beacon->proberesp_ies_len) { | |
2850 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2851 | new_beacon->proberesp_ies = pos; | |
2852 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2853 | pos += beacon->proberesp_ies_len; | |
2854 | } | |
2855 | if (beacon->assocresp_ies_len) { | |
2856 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2857 | new_beacon->assocresp_ies = pos; | |
2858 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2859 | pos += beacon->assocresp_ies_len; | |
2860 | } | |
2861 | if (beacon->probe_resp_len) { | |
2862 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2863 | beacon->probe_resp = pos; | |
2864 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2865 | pos += beacon->probe_resp_len; | |
2866 | } | |
2867 | ||
2868 | return new_beacon; | |
2869 | } | |
2870 | ||
66e01cf9 | 2871 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2872 | { |
66e01cf9 | 2873 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2874 | |
66e01cf9 LC |
2875 | ieee80211_queue_work(&sdata->local->hw, |
2876 | &sdata->csa_finalize_work); | |
2877 | } | |
2878 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2879 | |
66199506 MK |
2880 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2881 | u32 *changed) | |
66e01cf9 | 2882 | { |
66199506 | 2883 | int err; |
7578d575 | 2884 | |
cd7760e6 SW |
2885 | switch (sdata->vif.type) { |
2886 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2887 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2888 | NULL); | |
97518af1 MK |
2889 | kfree(sdata->u.ap.next_beacon); |
2890 | sdata->u.ap.next_beacon = NULL; | |
2891 | ||
cd7760e6 | 2892 | if (err < 0) |
66199506 MK |
2893 | return err; |
2894 | *changed |= err; | |
cd7760e6 SW |
2895 | break; |
2896 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2897 | err = ieee80211_ibss_finish_csa(sdata); |
2898 | if (err < 0) | |
66199506 MK |
2899 | return err; |
2900 | *changed |= err; | |
cd7760e6 | 2901 | break; |
b8456a14 CYY |
2902 | #ifdef CONFIG_MAC80211_MESH |
2903 | case NL80211_IFTYPE_MESH_POINT: | |
2904 | err = ieee80211_mesh_finish_csa(sdata); | |
2905 | if (err < 0) | |
66199506 MK |
2906 | return err; |
2907 | *changed |= err; | |
b8456a14 CYY |
2908 | break; |
2909 | #endif | |
cd7760e6 SW |
2910 | default: |
2911 | WARN_ON(1); | |
66199506 MK |
2912 | return -EINVAL; |
2913 | } | |
2914 | ||
2915 | return 0; | |
2916 | } | |
2917 | ||
cf8767dd | 2918 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2919 | { |
2920 | struct ieee80211_local *local = sdata->local; | |
2921 | u32 changed = 0; | |
2922 | int err; | |
2923 | ||
2924 | sdata_assert_lock(sdata); | |
2925 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2926 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2927 | |
03078de4 MK |
2928 | /* |
2929 | * using reservation isn't immediate as it may be deferred until later | |
2930 | * with multi-vif. once reservation is complete it will re-schedule the | |
2931 | * work with no reserved_chanctx so verify chandef to check if it | |
2932 | * completed successfully | |
2933 | */ | |
66199506 | 2934 | |
03078de4 MK |
2935 | if (sdata->reserved_chanctx) { |
2936 | /* | |
2937 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2938 | * many times while waiting for other interfaces to use their | |
2939 | * reservations | |
2940 | */ | |
2941 | if (sdata->reserved_ready) | |
2942 | return 0; | |
2943 | ||
408b18ab | 2944 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2945 | } |
73da7d5b | 2946 | |
03078de4 MK |
2947 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
2948 | &sdata->csa_chandef)) | |
2949 | return -EINVAL; | |
2950 | ||
66199506 MK |
2951 | sdata->vif.csa_active = false; |
2952 | ||
2953 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2954 | if (err) | |
cf8767dd | 2955 | return err; |
faf046e7 | 2956 | |
66199506 | 2957 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 2958 | |
a46992b4 LC |
2959 | if (sdata->csa_block_tx) { |
2960 | ieee80211_wake_vif_queues(local, sdata, | |
2961 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
2962 | sdata->csa_block_tx = false; | |
2963 | } | |
cf8767dd | 2964 | |
f1d65583 LC |
2965 | err = drv_post_channel_switch(sdata); |
2966 | if (err) | |
2967 | return err; | |
2968 | ||
2969 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
2970 | ||
cf8767dd MK |
2971 | return 0; |
2972 | } | |
2973 | ||
2974 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
2975 | { | |
2976 | if (__ieee80211_csa_finalize(sdata)) { | |
2977 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
2978 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
2979 | GFP_KERNEL); | |
2980 | } | |
66e01cf9 LC |
2981 | } |
2982 | ||
2983 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2984 | { | |
2985 | struct ieee80211_sub_if_data *sdata = | |
2986 | container_of(work, struct ieee80211_sub_if_data, | |
2987 | csa_finalize_work); | |
59af6928 | 2988 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
2989 | |
2990 | sdata_lock(sdata); | |
59af6928 | 2991 | mutex_lock(&local->mtx); |
03078de4 | 2992 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 2993 | |
66e01cf9 LC |
2994 | /* AP might have been stopped while waiting for the lock. */ |
2995 | if (!sdata->vif.csa_active) | |
2996 | goto unlock; | |
2997 | ||
2998 | if (!ieee80211_sdata_running(sdata)) | |
2999 | goto unlock; | |
3000 | ||
3001 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3002 | |
3003 | unlock: | |
03078de4 | 3004 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 3005 | mutex_unlock(&local->mtx); |
e487eaeb | 3006 | sdata_unlock(sdata); |
73da7d5b SW |
3007 | } |
3008 | ||
37fa2bdd MK |
3009 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3010 | struct cfg80211_csa_settings *params, | |
3011 | u32 *changed) | |
73da7d5b | 3012 | { |
af296bdb | 3013 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 3014 | int err; |
73da7d5b | 3015 | |
73da7d5b SW |
3016 | switch (sdata->vif.type) { |
3017 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3018 | sdata->u.ap.next_beacon = |
3019 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3020 | if (!sdata->u.ap.next_beacon) | |
3021 | return -ENOMEM; | |
3022 | ||
66e01cf9 LC |
3023 | /* |
3024 | * With a count of 0, we don't have to wait for any | |
3025 | * TBTT before switching, so complete the CSA | |
3026 | * immediately. In theory, with a count == 1 we | |
3027 | * should delay the switch until just before the next | |
3028 | * TBTT, but that would complicate things so we switch | |
3029 | * immediately too. If we would delay the switch | |
3030 | * until the next TBTT, we would have to set the probe | |
3031 | * response here. | |
3032 | * | |
3033 | * TODO: A channel switch with count <= 1 without | |
3034 | * sending a CSA action frame is kind of useless, | |
3035 | * because the clients won't know we're changing | |
3036 | * channels. The action frame must be implemented | |
3037 | * either here or in the userspace. | |
3038 | */ | |
3039 | if (params->count <= 1) | |
3040 | break; | |
3041 | ||
0d06d9ba AO |
3042 | if ((params->n_counter_offsets_beacon > |
3043 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3044 | (params->n_counter_offsets_presp > | |
3045 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3046 | return -EINVAL; | |
9a774c78 | 3047 | |
af296bdb MK |
3048 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
3049 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
3050 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
3051 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
3052 | csa.count = params->count; | |
9a774c78 | 3053 | |
af296bdb | 3054 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
3055 | if (err < 0) { |
3056 | kfree(sdata->u.ap.next_beacon); | |
3057 | return err; | |
3058 | } | |
37fa2bdd | 3059 | *changed |= err; |
66e01cf9 | 3060 | |
cd7760e6 SW |
3061 | break; |
3062 | case NL80211_IFTYPE_ADHOC: | |
3063 | if (!sdata->vif.bss_conf.ibss_joined) | |
3064 | return -EINVAL; | |
3065 | ||
3066 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3067 | return -EINVAL; | |
3068 | ||
3069 | switch (params->chandef.width) { | |
3070 | case NL80211_CHAN_WIDTH_40: | |
3071 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3072 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3073 | return -EINVAL; | |
3074 | case NL80211_CHAN_WIDTH_5: | |
3075 | case NL80211_CHAN_WIDTH_10: | |
3076 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3077 | case NL80211_CHAN_WIDTH_20: | |
3078 | break; | |
3079 | default: | |
3080 | return -EINVAL; | |
3081 | } | |
3082 | ||
3083 | /* changes into another band are not supported */ | |
3084 | if (sdata->u.ibss.chandef.chan->band != | |
3085 | params->chandef.chan->band) | |
3086 | return -EINVAL; | |
3087 | ||
66e01cf9 LC |
3088 | /* see comments in the NL80211_IFTYPE_AP block */ |
3089 | if (params->count > 1) { | |
3090 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3091 | if (err < 0) | |
3092 | return err; | |
37fa2bdd | 3093 | *changed |= err; |
66e01cf9 LC |
3094 | } |
3095 | ||
3096 | ieee80211_send_action_csa(sdata, params); | |
3097 | ||
73da7d5b | 3098 | break; |
c6da674a | 3099 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3100 | case NL80211_IFTYPE_MESH_POINT: { |
3101 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3102 | |
c6da674a CYY |
3103 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3104 | return -EINVAL; | |
3105 | ||
3106 | /* changes into another band are not supported */ | |
3107 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3108 | params->chandef.chan->band) | |
3109 | return -EINVAL; | |
3110 | ||
c782bf8c | 3111 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3112 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3113 | if (!ifmsh->pre_value) |
3114 | ifmsh->pre_value = 1; | |
3115 | else | |
3116 | ifmsh->pre_value++; | |
3117 | } | |
0cb4d4dc | 3118 | |
66e01cf9 LC |
3119 | /* see comments in the NL80211_IFTYPE_AP block */ |
3120 | if (params->count > 1) { | |
3121 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3122 | if (err < 0) { | |
3123 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3124 | return err; | |
3125 | } | |
37fa2bdd | 3126 | *changed |= err; |
3f718fd8 | 3127 | } |
66e01cf9 LC |
3128 | |
3129 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3130 | ieee80211_send_action_csa(sdata, params); | |
3131 | ||
c6da674a | 3132 | break; |
37fa2bdd | 3133 | } |
c6da674a | 3134 | #endif |
73da7d5b SW |
3135 | default: |
3136 | return -EOPNOTSUPP; | |
3137 | } | |
3138 | ||
37fa2bdd MK |
3139 | return 0; |
3140 | } | |
3141 | ||
f29f58a9 LC |
3142 | static int |
3143 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3144 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3145 | { |
3146 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3147 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 3148 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 3149 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 3150 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
3151 | u32 changed = 0; |
3152 | int err; | |
37fa2bdd MK |
3153 | |
3154 | sdata_assert_lock(sdata); | |
59af6928 | 3155 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3156 | |
3157 | if (!list_empty(&local->roc_list) || local->scanning) | |
3158 | return -EBUSY; | |
3159 | ||
3160 | if (sdata->wdev.cac_started) | |
3161 | return -EBUSY; | |
3162 | ||
3163 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3164 | &sdata->vif.bss_conf.chandef)) | |
3165 | return -EINVAL; | |
3166 | ||
03078de4 MK |
3167 | /* don't allow another channel switch if one is already active. */ |
3168 | if (sdata->vif.csa_active) | |
3169 | return -EBUSY; | |
3170 | ||
2b32713d MK |
3171 | mutex_lock(&local->chanctx_mtx); |
3172 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3173 | lockdep_is_held(&local->chanctx_mtx)); | |
3174 | if (!conf) { | |
03078de4 MK |
3175 | err = -EBUSY; |
3176 | goto out; | |
37fa2bdd MK |
3177 | } |
3178 | ||
2b32713d | 3179 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
37fa2bdd | 3180 | |
000baa5d LC |
3181 | ch_switch.timestamp = 0; |
3182 | ch_switch.device_timestamp = 0; | |
3183 | ch_switch.block_tx = params->block_tx; | |
3184 | ch_switch.chandef = params->chandef; | |
3185 | ch_switch.count = params->count; | |
3186 | ||
6d027bcc LC |
3187 | err = drv_pre_channel_switch(sdata, &ch_switch); |
3188 | if (err) | |
3189 | goto out; | |
3190 | ||
03078de4 MK |
3191 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
3192 | chanctx->mode, | |
3193 | params->radar_required); | |
3194 | if (err) | |
3195 | goto out; | |
37fa2bdd | 3196 | |
03078de4 MK |
3197 | /* if reservation is invalid then this will fail */ |
3198 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
3199 | if (err) { | |
3200 | ieee80211_vif_unreserve_chanctx(sdata); | |
3201 | goto out; | |
3202 | } | |
37fa2bdd MK |
3203 | |
3204 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
3205 | if (err) { |
3206 | ieee80211_vif_unreserve_chanctx(sdata); | |
3207 | goto out; | |
3208 | } | |
37fa2bdd | 3209 | |
33787fc4 | 3210 | sdata->csa_chandef = params->chandef; |
59af6928 | 3211 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3212 | sdata->vif.csa_active = true; |
3213 | ||
59af6928 | 3214 | if (sdata->csa_block_tx) |
a46992b4 LC |
3215 | ieee80211_stop_vif_queues(local, sdata, |
3216 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3217 | |
2f457293 LC |
3218 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
3219 | params->count); | |
3220 | ||
66e01cf9 LC |
3221 | if (changed) { |
3222 | ieee80211_bss_info_change_notify(sdata, changed); | |
3223 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3224 | } else { | |
3225 | /* if the beacon didn't change, we can finalize immediately */ | |
3226 | ieee80211_csa_finalize(sdata); | |
3227 | } | |
73da7d5b | 3228 | |
03078de4 MK |
3229 | out: |
3230 | mutex_unlock(&local->chanctx_mtx); | |
3231 | return err; | |
73da7d5b SW |
3232 | } |
3233 | ||
59af6928 MK |
3234 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3235 | struct cfg80211_csa_settings *params) | |
3236 | { | |
3237 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3238 | struct ieee80211_local *local = sdata->local; | |
3239 | int err; | |
3240 | ||
3241 | mutex_lock(&local->mtx); | |
3242 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3243 | mutex_unlock(&local->mtx); | |
3244 | ||
3245 | return err; | |
3246 | } | |
3247 | ||
a2fcfccb JB |
3248 | u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
3249 | { | |
3250 | lockdep_assert_held(&local->mtx); | |
3251 | ||
3252 | local->roc_cookie_counter++; | |
3253 | ||
3254 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
3255 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
3256 | local->roc_cookie_counter++; | |
3257 | ||
3258 | return local->roc_cookie_counter; | |
3259 | } | |
3260 | ||
5ee00dbd JB |
3261 | int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, |
3262 | u64 *cookie, gfp_t gfp) | |
3b79af97 JB |
3263 | { |
3264 | unsigned long spin_flags; | |
3265 | struct sk_buff *ack_skb; | |
3266 | int id; | |
3267 | ||
3268 | ack_skb = skb_copy(skb, gfp); | |
3269 | if (!ack_skb) | |
5ee00dbd | 3270 | return -ENOMEM; |
3b79af97 JB |
3271 | |
3272 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3273 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3274 | 1, 0x10000, GFP_ATOMIC); | |
3275 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3276 | ||
3277 | if (id < 0) { | |
3278 | kfree_skb(ack_skb); | |
5ee00dbd | 3279 | return -ENOMEM; |
3b79af97 JB |
3280 | } |
3281 | ||
3282 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3283 | ||
3284 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3285 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3286 | ||
5ee00dbd | 3287 | return 0; |
3b79af97 JB |
3288 | } |
3289 | ||
7be5086d | 3290 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3291 | struct wireless_dev *wdev, |
7be5086d JB |
3292 | u16 frame_type, bool reg) |
3293 | { | |
3294 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1b09b556 | 3295 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 3296 | |
6abe0563 | 3297 | switch (frame_type) { |
6abe0563 | 3298 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
1b09b556 | 3299 | if (reg) { |
6abe0563 | 3300 | local->probe_req_reg++; |
1b09b556 AO |
3301 | sdata->vif.probe_req_reg++; |
3302 | } else { | |
3303 | if (local->probe_req_reg) | |
3304 | local->probe_req_reg--; | |
3305 | ||
3306 | if (sdata->vif.probe_req_reg) | |
3307 | sdata->vif.probe_req_reg--; | |
3308 | } | |
7be5086d | 3309 | |
35f5149e FF |
3310 | if (!local->open_count) |
3311 | break; | |
3312 | ||
1b09b556 AO |
3313 | if (sdata->vif.probe_req_reg == 1) |
3314 | drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, | |
3315 | FIF_PROBE_REQ); | |
3316 | else if (sdata->vif.probe_req_reg == 0) | |
3317 | drv_config_iface_filter(local, sdata, 0, | |
3318 | FIF_PROBE_REQ); | |
3319 | ||
3320 | ieee80211_configure_filter(local); | |
6abe0563 WH |
3321 | break; |
3322 | default: | |
3323 | break; | |
3324 | } | |
7be5086d JB |
3325 | } |
3326 | ||
15d96753 BR |
3327 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3328 | { | |
3329 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3330 | ||
3331 | if (local->started) | |
3332 | return -EOPNOTSUPP; | |
3333 | ||
3334 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3335 | } | |
3336 | ||
3337 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3338 | { | |
3339 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3340 | ||
3341 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3342 | } | |
3343 | ||
c68f4b89 JB |
3344 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3345 | struct net_device *dev, | |
3346 | struct cfg80211_gtk_rekey_data *data) | |
3347 | { | |
3348 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3349 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3350 | ||
3351 | if (!local->ops->set_rekey_data) | |
3352 | return -EOPNOTSUPP; | |
3353 | ||
3354 | drv_set_rekey_data(local, sdata, data); | |
3355 | ||
3356 | return 0; | |
3357 | } | |
3358 | ||
06500736 JB |
3359 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3360 | const u8 *peer, u64 *cookie) | |
3361 | { | |
3362 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3363 | struct ieee80211_local *local = sdata->local; | |
3364 | struct ieee80211_qos_hdr *nullfunc; | |
5ee00dbd | 3365 | struct sk_buff *skb; |
06500736 JB |
3366 | int size = sizeof(*nullfunc); |
3367 | __le16 fc; | |
3368 | bool qos; | |
3369 | struct ieee80211_tx_info *info; | |
3370 | struct sta_info *sta; | |
55de908a | 3371 | struct ieee80211_chanctx_conf *chanctx_conf; |
57fbcce3 | 3372 | enum nl80211_band band; |
3b79af97 JB |
3373 | int ret; |
3374 | ||
3375 | /* the lock is needed to assign the cookie later */ | |
3376 | mutex_lock(&local->mtx); | |
06500736 JB |
3377 | |
3378 | rcu_read_lock(); | |
55de908a JB |
3379 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3380 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3381 | ret = -EINVAL; |
3382 | goto unlock; | |
55de908a | 3383 | } |
4bf88530 | 3384 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3385 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3386 | if (sta) { |
a74a8c84 | 3387 | qos = sta->sta.wme; |
b4487c2d | 3388 | } else { |
3b79af97 JB |
3389 | ret = -ENOLINK; |
3390 | goto unlock; | |
b4487c2d | 3391 | } |
06500736 JB |
3392 | |
3393 | if (qos) { | |
3394 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3395 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3396 | IEEE80211_FCTL_FROMDS); | |
3397 | } else { | |
3398 | size -= 2; | |
3399 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3400 | IEEE80211_STYPE_NULLFUNC | | |
3401 | IEEE80211_FCTL_FROMDS); | |
3402 | } | |
3403 | ||
3404 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3405 | if (!skb) { |
3b79af97 JB |
3406 | ret = -ENOMEM; |
3407 | goto unlock; | |
55de908a | 3408 | } |
06500736 JB |
3409 | |
3410 | skb->dev = dev; | |
3411 | ||
3412 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3413 | ||
3414 | nullfunc = (void *) skb_put(skb, size); | |
3415 | nullfunc->frame_control = fc; | |
3416 | nullfunc->duration_id = 0; | |
3417 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3418 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3419 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3420 | nullfunc->seq_ctrl = 0; | |
3421 | ||
3422 | info = IEEE80211_SKB_CB(skb); | |
3423 | ||
3424 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3425 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3426 | info->band = band; |
06500736 JB |
3427 | |
3428 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3429 | skb->priority = 7; | |
3430 | if (qos) | |
3431 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3432 | ||
5ee00dbd JB |
3433 | ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3434 | if (ret) { | |
3b79af97 | 3435 | kfree_skb(skb); |
3b79af97 JB |
3436 | goto unlock; |
3437 | } | |
3438 | ||
06500736 | 3439 | local_bh_disable(); |
7c10770f | 3440 | ieee80211_xmit(sdata, sta, skb); |
06500736 | 3441 | local_bh_enable(); |
3b79af97 JB |
3442 | |
3443 | ret = 0; | |
3444 | unlock: | |
55de908a | 3445 | rcu_read_unlock(); |
3b79af97 | 3446 | mutex_unlock(&local->mtx); |
06500736 | 3447 | |
3b79af97 | 3448 | return ret; |
06500736 JB |
3449 | } |
3450 | ||
683b6d3b JB |
3451 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3452 | struct wireless_dev *wdev, | |
3453 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3454 | { |
55de908a | 3455 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3456 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3457 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3458 | int ret = -ENODATA; |
55de908a JB |
3459 | |
3460 | rcu_read_lock(); | |
feda3027 JB |
3461 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3462 | if (chanctx_conf) { | |
c12bc488 | 3463 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3464 | ret = 0; |
3465 | } else if (local->open_count > 0 && | |
3466 | local->open_count == local->monitors && | |
3467 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3468 | if (local->use_chanctx) | |
3469 | *chandef = local->monitor_chandef; | |
3470 | else | |
675a0b04 | 3471 | *chandef = local->_oper_chandef; |
683b6d3b | 3472 | ret = 0; |
55de908a JB |
3473 | } |
3474 | rcu_read_unlock(); | |
5b7ccaf3 | 3475 | |
683b6d3b | 3476 | return ret; |
5b7ccaf3 JB |
3477 | } |
3478 | ||
6d52563f JB |
3479 | #ifdef CONFIG_PM |
3480 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3481 | { | |
3482 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3483 | } | |
3484 | #endif | |
3485 | ||
32db6b54 KP |
3486 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3487 | struct net_device *dev, | |
3488 | struct cfg80211_qos_map *qos_map) | |
3489 | { | |
3490 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3491 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3492 | ||
3493 | if (qos_map) { | |
3494 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3495 | if (!new_qos_map) | |
3496 | return -ENOMEM; | |
3497 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3498 | } else { | |
3499 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3500 | new_qos_map = NULL; | |
3501 | } | |
3502 | ||
194ff52d | 3503 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3504 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3505 | if (old_qos_map) | |
3506 | kfree_rcu(old_qos_map, rcu_head); | |
3507 | ||
3508 | return 0; | |
3509 | } | |
3510 | ||
3b1700bd JM |
3511 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3512 | struct net_device *dev, | |
3513 | struct cfg80211_chan_def *chandef) | |
3514 | { | |
3515 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3516 | int ret; | |
3517 | u32 changed = 0; | |
3518 | ||
3519 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3520 | if (ret == 0) | |
3521 | ieee80211_bss_info_change_notify(sdata, changed); | |
3522 | ||
3523 | return ret; | |
3524 | } | |
3525 | ||
02219b3a JB |
3526 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3527 | u8 tsid, const u8 *peer, u8 up, | |
3528 | u16 admitted_time) | |
3529 | { | |
3530 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3531 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3532 | int ac = ieee802_1d_to_ac[up]; | |
3533 | ||
3534 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3535 | return -EOPNOTSUPP; | |
3536 | ||
3537 | if (!(sdata->wmm_acm & BIT(up))) | |
3538 | return -EINVAL; | |
3539 | ||
3540 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3541 | return -EBUSY; | |
3542 | ||
3543 | if (admitted_time) { | |
3544 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3545 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3546 | ifmgd->tx_tspec[ac].up = up; | |
3547 | } | |
3548 | ||
3549 | return 0; | |
3550 | } | |
3551 | ||
3552 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3553 | u8 tsid, const u8 *peer) | |
3554 | { | |
3555 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3556 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3557 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3558 | int ac; | |
3559 | ||
3560 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3561 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3562 | ||
3563 | /* skip unused entries */ | |
3564 | if (!tx_tspec->admitted_time) | |
3565 | continue; | |
3566 | ||
3567 | if (tx_tspec->tsid != tsid) | |
3568 | continue; | |
3569 | ||
3570 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3571 | tx_tspec->up = -1; | |
3572 | ||
3573 | /* Make sure that all packets have been sent to avoid to | |
3574 | * restore the QoS params on packets that are still on the | |
3575 | * queues. | |
3576 | */ | |
3577 | synchronize_net(); | |
3b24f4c6 | 3578 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3579 | |
3580 | /* restore the normal QoS parameters | |
3581 | * (unconditionally to avoid races) | |
3582 | */ | |
3583 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3584 | tx_tspec->downgraded = false; | |
3585 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3586 | ||
3587 | /* finally clear all the data */ | |
3588 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3589 | ||
3590 | return 0; | |
3591 | } | |
3592 | ||
3593 | return -ENOENT; | |
3594 | } | |
3595 | ||
167e33f4 AB |
3596 | void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, |
3597 | u8 inst_id, | |
3598 | enum nl80211_nan_func_term_reason reason, | |
3599 | gfp_t gfp) | |
3600 | { | |
3601 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); | |
3602 | struct cfg80211_nan_func *func; | |
3603 | u64 cookie; | |
3604 | ||
3605 | if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) | |
3606 | return; | |
3607 | ||
3608 | spin_lock_bh(&sdata->u.nan.func_lock); | |
3609 | ||
3610 | func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); | |
3611 | if (WARN_ON(!func)) { | |
3612 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3613 | return; | |
3614 | } | |
3615 | ||
3616 | cookie = func->cookie; | |
3617 | idr_remove(&sdata->u.nan.function_inst_ids, inst_id); | |
3618 | ||
3619 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3620 | ||
3621 | cfg80211_free_nan_func(func); | |
3622 | ||
3623 | cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, | |
3624 | reason, cookie, gfp); | |
3625 | } | |
3626 | EXPORT_SYMBOL(ieee80211_nan_func_terminated); | |
3627 | ||
92bc43bc AB |
3628 | void ieee80211_nan_func_match(struct ieee80211_vif *vif, |
3629 | struct cfg80211_nan_match_params *match, | |
3630 | gfp_t gfp) | |
3631 | { | |
3632 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); | |
3633 | struct cfg80211_nan_func *func; | |
3634 | ||
3635 | if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) | |
3636 | return; | |
3637 | ||
3638 | spin_lock_bh(&sdata->u.nan.func_lock); | |
3639 | ||
3640 | func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); | |
3641 | if (WARN_ON(!func)) { | |
3642 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3643 | return; | |
3644 | } | |
3645 | match->cookie = func->cookie; | |
3646 | ||
3647 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3648 | ||
3649 | cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); | |
3650 | } | |
3651 | EXPORT_SYMBOL(ieee80211_nan_func_match); | |
3652 | ||
ebceec86 MB |
3653 | static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, |
3654 | struct net_device *dev, | |
3655 | const bool enabled) | |
3656 | { | |
3657 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3658 | ||
3659 | sdata->u.ap.multicast_to_unicast = enabled; | |
3660 | ||
3661 | return 0; | |
3662 | } | |
3663 | ||
8a47cea7 | 3664 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3665 | .add_virtual_intf = ieee80211_add_iface, |
3666 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3667 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3668 | .start_p2p_device = ieee80211_start_p2p_device, |
3669 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3670 | .add_key = ieee80211_add_key, |
3671 | .del_key = ieee80211_del_key, | |
62da92fb | 3672 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3673 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3674 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3675 | .start_ap = ieee80211_start_ap, |
3676 | .change_beacon = ieee80211_change_beacon, | |
3677 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3678 | .add_station = ieee80211_add_station, |
3679 | .del_station = ieee80211_del_station, | |
3680 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3681 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3682 | .dump_station = ieee80211_dump_station, |
1289723e | 3683 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3684 | #ifdef CONFIG_MAC80211_MESH |
3685 | .add_mpath = ieee80211_add_mpath, | |
3686 | .del_mpath = ieee80211_del_mpath, | |
3687 | .change_mpath = ieee80211_change_mpath, | |
3688 | .get_mpath = ieee80211_get_mpath, | |
3689 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3690 | .get_mpp = ieee80211_get_mpp, |
3691 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3692 | .update_mesh_config = ieee80211_update_mesh_config, |
3693 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3694 | .join_mesh = ieee80211_join_mesh, |
3695 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3696 | #endif |
239281f8 RL |
3697 | .join_ocb = ieee80211_join_ocb, |
3698 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3699 | .change_bss = ieee80211_change_bss, |
31888487 | 3700 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3701 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3702 | .suspend = ieee80211_suspend, |
3703 | .resume = ieee80211_resume, | |
2a519311 | 3704 | .scan = ieee80211_scan, |
91f123f2 | 3705 | .abort_scan = ieee80211_abort_scan, |
79f460ca LC |
3706 | .sched_scan_start = ieee80211_sched_scan_start, |
3707 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3708 | .auth = ieee80211_auth, |
3709 | .assoc = ieee80211_assoc, | |
3710 | .deauth = ieee80211_deauth, | |
3711 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3712 | .join_ibss = ieee80211_join_ibss, |
3713 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3714 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3715 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3716 | .set_tx_power = ieee80211_set_tx_power, |
3717 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3718 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3719 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3720 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3721 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3722 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3723 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3724 | .remain_on_channel = ieee80211_remain_on_channel, |
3725 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3726 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3727 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3728 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
2c3c5f8c | 3729 | .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, |
7be5086d | 3730 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3731 | .set_antenna = ieee80211_set_antenna, |
3732 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3733 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3734 | .tdls_oper = ieee80211_tdls_oper, |
3735 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3736 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3737 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3738 | .probe_client = ieee80211_probe_client, |
b53be792 | 3739 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3740 | #ifdef CONFIG_PM |
3741 | .set_wakeup = ieee80211_set_wakeup, | |
3742 | #endif | |
5b7ccaf3 | 3743 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3744 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3745 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3746 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3747 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3748 | .add_tx_ts = ieee80211_add_tx_ts, |
3749 | .del_tx_ts = ieee80211_del_tx_ts, | |
708d50ed AB |
3750 | .start_nan = ieee80211_start_nan, |
3751 | .stop_nan = ieee80211_stop_nan, | |
5953ff6d | 3752 | .nan_change_conf = ieee80211_nan_change_conf, |
167e33f4 AB |
3753 | .add_nan_func = ieee80211_add_nan_func, |
3754 | .del_nan_func = ieee80211_del_nan_func, | |
ebceec86 | 3755 | .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, |
f0706e82 | 3756 | }; |