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 |
e552af05 | 7 | * Copyright (C) 2018 Intel Corporation |
f0706e82 JB |
8 | * |
9 | * This file is GPLv2 as found in COPYING. | |
10 | */ | |
11 | ||
e8cbb4cb | 12 | #include <linux/ieee80211.h> |
f0706e82 JB |
13 | #include <linux/nl80211.h> |
14 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 15 | #include <linux/slab.h> |
881d966b | 16 | #include <net/net_namespace.h> |
5dfdaf58 | 17 | #include <linux/rcupdate.h> |
dfe018bf | 18 | #include <linux/if_ether.h> |
f0706e82 JB |
19 | #include <net/cfg80211.h> |
20 | #include "ieee80211_i.h" | |
24487981 | 21 | #include "driver-ops.h" |
2c8dccc7 | 22 | #include "rate.h" |
c5dd9c2b | 23 | #include "mesh.h" |
02219b3a | 24 | #include "wme.h" |
c5dd9c2b | 25 | |
65f1d600 JB |
26 | static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata, |
27 | struct vif_params *params) | |
8c5e6889 | 28 | { |
8c5e6889 JB |
29 | bool mu_mimo_groups = false; |
30 | bool mu_mimo_follow = false; | |
31 | ||
8c5e6889 JB |
32 | if (params->vht_mumimo_groups) { |
33 | u64 membership; | |
34 | ||
35 | BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN); | |
36 | ||
65f1d600 | 37 | memcpy(sdata->vif.bss_conf.mu_group.membership, |
8c5e6889 | 38 | params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); |
65f1d600 | 39 | memcpy(sdata->vif.bss_conf.mu_group.position, |
8c5e6889 JB |
40 | params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, |
41 | WLAN_USER_POSITION_LEN); | |
65f1d600 | 42 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS); |
8c5e6889 JB |
43 | /* don't care about endianness - just check for 0 */ |
44 | memcpy(&membership, params->vht_mumimo_groups, | |
45 | WLAN_MEMBERSHIP_LEN); | |
46 | mu_mimo_groups = membership != 0; | |
47 | } | |
48 | ||
49 | if (params->vht_mumimo_follow_addr) { | |
50 | mu_mimo_follow = | |
51 | is_valid_ether_addr(params->vht_mumimo_follow_addr); | |
65f1d600 | 52 | ether_addr_copy(sdata->u.mntr.mu_follow_addr, |
8c5e6889 JB |
53 | params->vht_mumimo_follow_addr); |
54 | } | |
55 | ||
65f1d600 JB |
56 | sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; |
57 | } | |
58 | ||
59 | static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, | |
60 | struct vif_params *params) | |
61 | { | |
62 | struct ieee80211_local *local = sdata->local; | |
63 | struct ieee80211_sub_if_data *monitor_sdata; | |
64 | ||
65 | /* check flags first */ | |
66 | if (params->flags && ieee80211_sdata_running(sdata)) { | |
67 | u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE; | |
68 | ||
69 | /* | |
70 | * Prohibit MONITOR_FLAG_COOK_FRAMES and | |
71 | * MONITOR_FLAG_ACTIVE to be changed while the | |
72 | * interface is up. | |
73 | * Else we would need to add a lot of cruft | |
74 | * to update everything: | |
75 | * cooked_mntrs, monitor and all fif_* counters | |
76 | * reconfigure hardware | |
77 | */ | |
78 | if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) | |
79 | return -EBUSY; | |
80 | } | |
81 | ||
82 | /* also validate MU-MIMO change */ | |
83 | monitor_sdata = rtnl_dereference(local->monitor_sdata); | |
84 | ||
85 | if (!monitor_sdata && | |
86 | (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) | |
87 | return -EOPNOTSUPP; | |
88 | ||
89 | /* apply all changes now - no failures allowed */ | |
90 | ||
91 | if (monitor_sdata) | |
92 | ieee80211_set_mu_mimo_follow(monitor_sdata, params); | |
93 | ||
94 | if (params->flags) { | |
95 | if (ieee80211_sdata_running(sdata)) { | |
96 | ieee80211_adjust_monitor_flags(sdata, -1); | |
97 | sdata->u.mntr.flags = params->flags; | |
98 | ieee80211_adjust_monitor_flags(sdata, 1); | |
99 | ||
100 | ieee80211_configure_filter(local); | |
101 | } else { | |
102 | /* | |
103 | * Because the interface is down, ieee80211_do_stop | |
104 | * and ieee80211_do_open take care of "everything" | |
105 | * mentioned in the comment above. | |
106 | */ | |
107 | sdata->u.mntr.flags = params->flags; | |
108 | } | |
109 | } | |
8c5e6889 JB |
110 | |
111 | return 0; | |
112 | } | |
113 | ||
552bff0c JB |
114 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
115 | const char *name, | |
6bab2e19 | 116 | unsigned char name_assign_type, |
84efbb84 | 117 | enum nl80211_iftype type, |
84efbb84 | 118 | struct vif_params *params) |
f0706e82 JB |
119 | { |
120 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 121 | struct wireless_dev *wdev; |
8cc9a739 MW |
122 | struct ieee80211_sub_if_data *sdata; |
123 | int err; | |
f0706e82 | 124 | |
6bab2e19 | 125 | err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); |
f9e10ce4 JB |
126 | if (err) |
127 | return ERR_PTR(err); | |
8cc9a739 | 128 | |
8c5e6889 JB |
129 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
130 | ||
131 | if (type == NL80211_IFTYPE_MONITOR) { | |
65f1d600 | 132 | err = ieee80211_set_mon_options(sdata, params); |
8c5e6889 JB |
133 | if (err) { |
134 | ieee80211_if_remove(sdata); | |
135 | return NULL; | |
136 | } | |
f9e10ce4 JB |
137 | } |
138 | ||
84efbb84 | 139 | return wdev; |
f0706e82 JB |
140 | } |
141 | ||
84efbb84 | 142 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 143 | { |
84efbb84 | 144 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 145 | |
75636525 | 146 | return 0; |
f0706e82 JB |
147 | } |
148 | ||
e36d56b6 JB |
149 | static int ieee80211_change_iface(struct wiphy *wiphy, |
150 | struct net_device *dev, | |
818a986e | 151 | enum nl80211_iftype type, |
2ec600d6 | 152 | struct vif_params *params) |
42613db7 | 153 | { |
9607e6b6 | 154 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 155 | int ret; |
42613db7 | 156 | |
05c914fe | 157 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
158 | if (ret) |
159 | return ret; | |
42613db7 | 160 | |
9bc383de | 161 | if (type == NL80211_IFTYPE_AP_VLAN && |
49ddf8e6 | 162 | params && params->use_4addr == 0) { |
a9b3cd7f | 163 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
49ddf8e6 JB |
164 | ieee80211_check_fast_rx_iface(sdata); |
165 | } else if (type == NL80211_IFTYPE_STATION && | |
166 | params && params->use_4addr >= 0) { | |
9bc383de | 167 | sdata->u.mgd.use_4addr = params->use_4addr; |
49ddf8e6 | 168 | } |
9bc383de | 169 | |
42bd20d9 | 170 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { |
65f1d600 JB |
171 | ret = ieee80211_set_mon_options(sdata, params); |
172 | if (ret) | |
173 | return ret; | |
85416a4f | 174 | } |
f7917af9 | 175 | |
42613db7 JB |
176 | return 0; |
177 | } | |
178 | ||
f142c6b9 JB |
179 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
180 | struct wireless_dev *wdev) | |
181 | { | |
b6a55015 LC |
182 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
183 | int ret; | |
184 | ||
185 | mutex_lock(&sdata->local->chanctx_mtx); | |
186 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
187 | mutex_unlock(&sdata->local->chanctx_mtx); | |
188 | if (ret < 0) | |
189 | return ret; | |
190 | ||
f142c6b9 JB |
191 | return ieee80211_do_open(wdev, true); |
192 | } | |
193 | ||
194 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
195 | struct wireless_dev *wdev) | |
196 | { | |
197 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
198 | } | |
199 | ||
708d50ed AB |
200 | static int ieee80211_start_nan(struct wiphy *wiphy, |
201 | struct wireless_dev *wdev, | |
202 | struct cfg80211_nan_conf *conf) | |
203 | { | |
204 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
205 | int ret; | |
206 | ||
207 | mutex_lock(&sdata->local->chanctx_mtx); | |
208 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
209 | mutex_unlock(&sdata->local->chanctx_mtx); | |
210 | if (ret < 0) | |
211 | return ret; | |
212 | ||
213 | ret = ieee80211_do_open(wdev, true); | |
214 | if (ret) | |
215 | return ret; | |
216 | ||
217 | ret = drv_start_nan(sdata->local, sdata, conf); | |
218 | if (ret) | |
219 | ieee80211_sdata_stop(sdata); | |
220 | ||
167e33f4 AB |
221 | sdata->u.nan.conf = *conf; |
222 | ||
708d50ed AB |
223 | return ret; |
224 | } | |
225 | ||
226 | static void ieee80211_stop_nan(struct wiphy *wiphy, | |
227 | struct wireless_dev *wdev) | |
228 | { | |
229 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
230 | ||
231 | drv_stop_nan(sdata->local, sdata); | |
232 | ieee80211_sdata_stop(sdata); | |
233 | } | |
234 | ||
5953ff6d AB |
235 | static int ieee80211_nan_change_conf(struct wiphy *wiphy, |
236 | struct wireless_dev *wdev, | |
237 | struct cfg80211_nan_conf *conf, | |
238 | u32 changes) | |
239 | { | |
240 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
241 | struct cfg80211_nan_conf new_conf; | |
242 | int ret = 0; | |
243 | ||
244 | if (sdata->vif.type != NL80211_IFTYPE_NAN) | |
245 | return -EOPNOTSUPP; | |
246 | ||
247 | if (!ieee80211_sdata_running(sdata)) | |
248 | return -ENETDOWN; | |
249 | ||
250 | new_conf = sdata->u.nan.conf; | |
251 | ||
252 | if (changes & CFG80211_NAN_CONF_CHANGED_PREF) | |
253 | new_conf.master_pref = conf->master_pref; | |
254 | ||
8585989d LC |
255 | if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) |
256 | new_conf.bands = conf->bands; | |
5953ff6d AB |
257 | |
258 | ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); | |
259 | if (!ret) | |
260 | sdata->u.nan.conf = new_conf; | |
261 | ||
262 | return ret; | |
263 | } | |
264 | ||
167e33f4 AB |
265 | static int ieee80211_add_nan_func(struct wiphy *wiphy, |
266 | struct wireless_dev *wdev, | |
267 | struct cfg80211_nan_func *nan_func) | |
268 | { | |
269 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
270 | int ret; | |
271 | ||
272 | if (sdata->vif.type != NL80211_IFTYPE_NAN) | |
273 | return -EOPNOTSUPP; | |
274 | ||
275 | if (!ieee80211_sdata_running(sdata)) | |
276 | return -ENETDOWN; | |
277 | ||
278 | spin_lock_bh(&sdata->u.nan.func_lock); | |
279 | ||
280 | ret = idr_alloc(&sdata->u.nan.function_inst_ids, | |
281 | nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, | |
282 | GFP_ATOMIC); | |
283 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
284 | ||
285 | if (ret < 0) | |
286 | return ret; | |
287 | ||
288 | nan_func->instance_id = ret; | |
289 | ||
290 | WARN_ON(nan_func->instance_id == 0); | |
291 | ||
292 | ret = drv_add_nan_func(sdata->local, sdata, nan_func); | |
293 | if (ret) { | |
294 | spin_lock_bh(&sdata->u.nan.func_lock); | |
295 | idr_remove(&sdata->u.nan.function_inst_ids, | |
296 | nan_func->instance_id); | |
297 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
298 | } | |
299 | ||
300 | return ret; | |
301 | } | |
302 | ||
303 | static struct cfg80211_nan_func * | |
304 | ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, | |
305 | u64 cookie) | |
306 | { | |
307 | struct cfg80211_nan_func *func; | |
308 | int id; | |
309 | ||
310 | lockdep_assert_held(&sdata->u.nan.func_lock); | |
311 | ||
312 | idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { | |
313 | if (func->cookie == cookie) | |
314 | return func; | |
315 | } | |
316 | ||
317 | return NULL; | |
318 | } | |
319 | ||
320 | static void ieee80211_del_nan_func(struct wiphy *wiphy, | |
321 | struct wireless_dev *wdev, u64 cookie) | |
322 | { | |
323 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
324 | struct cfg80211_nan_func *func; | |
325 | u8 instance_id = 0; | |
326 | ||
327 | if (sdata->vif.type != NL80211_IFTYPE_NAN || | |
328 | !ieee80211_sdata_running(sdata)) | |
329 | return; | |
330 | ||
331 | spin_lock_bh(&sdata->u.nan.func_lock); | |
332 | ||
333 | func = ieee80211_find_nan_func_by_cookie(sdata, cookie); | |
334 | if (func) | |
335 | instance_id = func->instance_id; | |
336 | ||
337 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
338 | ||
339 | if (instance_id) | |
340 | drv_del_nan_func(sdata->local, sdata, instance_id); | |
341 | } | |
342 | ||
b53be792 SW |
343 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
344 | struct net_device *dev, | |
345 | u16 noack_map) | |
346 | { | |
347 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
348 | ||
349 | sdata->noack_map = noack_map; | |
17c18bf8 JB |
350 | |
351 | ieee80211_check_fast_xmit_iface(sdata); | |
352 | ||
b53be792 SW |
353 | return 0; |
354 | } | |
355 | ||
e8cbb4cb | 356 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 357 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
358 | struct key_params *params) |
359 | { | |
26a58456 | 360 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 361 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 362 | struct sta_info *sta = NULL; |
2475b1cc | 363 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 364 | struct ieee80211_key *key; |
3b96766f | 365 | int err; |
e8cbb4cb | 366 | |
26a58456 | 367 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
368 | return -ENETDOWN; |
369 | ||
97359d12 | 370 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
371 | switch (params->cipher) { |
372 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 373 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 374 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 375 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 376 | return -EINVAL; |
3cfcf6ac | 377 | break; |
2475b1cc | 378 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 379 | case WLAN_CIPHER_SUITE_CCMP_256: |
2475b1cc | 380 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 381 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
8ade538b JM |
382 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
383 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
2475b1cc | 384 | case WLAN_CIPHER_SUITE_GCMP: |
00b9cfa3 | 385 | case WLAN_CIPHER_SUITE_GCMP_256: |
2475b1cc | 386 | break; |
e8cbb4cb | 387 | default: |
2475b1cc | 388 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 389 | break; |
e8cbb4cb JB |
390 | } |
391 | ||
97359d12 | 392 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
393 | params->key, params->seq_len, params->seq, |
394 | cs); | |
1ac62ba7 BH |
395 | if (IS_ERR(key)) |
396 | return PTR_ERR(key); | |
db4d1169 | 397 | |
e31b8213 JB |
398 | if (pairwise) |
399 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
400 | ||
2475b1cc | 401 | mutex_lock(&local->sta_mtx); |
3b96766f | 402 | |
e8cbb4cb | 403 | if (mac_addr) { |
850092db | 404 | sta = sta_info_get_bss(sdata, mac_addr); |
1626e0fa JB |
405 | /* |
406 | * The ASSOC test makes sure the driver is ready to | |
407 | * receive the key. When wpa_supplicant has roamed | |
408 | * using FT, it attempts to set the key before | |
409 | * association has completed, this rejects that attempt | |
d070f913 | 410 | * so it will set the key again after association. |
1626e0fa JB |
411 | * |
412 | * TODO: accept the key if we have a station entry and | |
413 | * add it to the device after the station. | |
414 | */ | |
415 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 416 | ieee80211_key_free_unused(key); |
3b96766f JB |
417 | err = -ENOENT; |
418 | goto out_unlock; | |
db4d1169 | 419 | } |
e8cbb4cb JB |
420 | } |
421 | ||
e548c49e JB |
422 | switch (sdata->vif.type) { |
423 | case NL80211_IFTYPE_STATION: | |
424 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
425 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
426 | break; | |
427 | case NL80211_IFTYPE_AP: | |
428 | case NL80211_IFTYPE_AP_VLAN: | |
429 | /* Keys without a station are used for TX only */ | |
430 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
431 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
432 | break; | |
433 | case NL80211_IFTYPE_ADHOC: | |
434 | /* no MFP (yet) */ | |
435 | break; | |
436 | case NL80211_IFTYPE_MESH_POINT: | |
437 | #ifdef CONFIG_MAC80211_MESH | |
438 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
439 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
440 | break; | |
441 | #endif | |
442 | case NL80211_IFTYPE_WDS: | |
443 | case NL80211_IFTYPE_MONITOR: | |
444 | case NL80211_IFTYPE_P2P_DEVICE: | |
cb3b7d87 | 445 | case NL80211_IFTYPE_NAN: |
e548c49e JB |
446 | case NL80211_IFTYPE_UNSPECIFIED: |
447 | case NUM_NL80211_IFTYPES: | |
448 | case NL80211_IFTYPE_P2P_CLIENT: | |
449 | case NL80211_IFTYPE_P2P_GO: | |
6e0bd6c3 | 450 | case NL80211_IFTYPE_OCB: |
e548c49e JB |
451 | /* shouldn't happen */ |
452 | WARN_ON_ONCE(1); | |
453 | break; | |
454 | } | |
455 | ||
2475b1cc MS |
456 | if (sta) |
457 | sta->cipher_scheme = cs; | |
458 | ||
3ffc2a90 | 459 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 460 | |
3b96766f | 461 | out_unlock: |
2475b1cc | 462 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
463 | |
464 | return err; | |
e8cbb4cb JB |
465 | } |
466 | ||
467 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 468 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 469 | { |
5c0c3641 JB |
470 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
471 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 472 | struct sta_info *sta; |
5c0c3641 | 473 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
474 | int ret; |
475 | ||
5c0c3641 JB |
476 | mutex_lock(&local->sta_mtx); |
477 | mutex_lock(&local->key_mtx); | |
3b96766f | 478 | |
e8cbb4cb | 479 | if (mac_addr) { |
3b96766f JB |
480 | ret = -ENOENT; |
481 | ||
0e5ded5a | 482 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 483 | if (!sta) |
3b96766f | 484 | goto out_unlock; |
e8cbb4cb | 485 | |
5c0c3641 | 486 | if (pairwise) |
2475b1cc | 487 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 488 | else |
40b275b6 | 489 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 490 | } else |
40b275b6 | 491 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 492 | |
5c0c3641 | 493 | if (!key) { |
3b96766f JB |
494 | ret = -ENOENT; |
495 | goto out_unlock; | |
496 | } | |
e8cbb4cb | 497 | |
3b8d9c29 | 498 | ieee80211_key_free(key, true); |
e8cbb4cb | 499 | |
3b96766f JB |
500 | ret = 0; |
501 | out_unlock: | |
5c0c3641 JB |
502 | mutex_unlock(&local->key_mtx); |
503 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
504 | |
505 | return ret; | |
e8cbb4cb JB |
506 | } |
507 | ||
62da92fb | 508 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
509 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
510 | void *cookie, | |
62da92fb JB |
511 | void (*callback)(void *cookie, |
512 | struct key_params *params)) | |
513 | { | |
14db74bc | 514 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
515 | struct sta_info *sta = NULL; |
516 | u8 seq[6] = {0}; | |
517 | struct key_params params; | |
e31b8213 | 518 | struct ieee80211_key *key = NULL; |
aba83a0b | 519 | u64 pn64; |
62da92fb JB |
520 | u32 iv32; |
521 | u16 iv16; | |
522 | int err = -ENOENT; | |
9352c19f | 523 | struct ieee80211_key_seq kseq = {}; |
62da92fb | 524 | |
14db74bc JB |
525 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
526 | ||
3b96766f JB |
527 | rcu_read_lock(); |
528 | ||
62da92fb | 529 | if (mac_addr) { |
0e5ded5a | 530 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
531 | if (!sta) |
532 | goto out; | |
533 | ||
354e159d | 534 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 535 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
536 | else if (!pairwise && |
537 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 538 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 539 | } else |
a3836e02 | 540 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
541 | |
542 | if (!key) | |
543 | goto out; | |
544 | ||
545 | memset(¶ms, 0, sizeof(params)); | |
546 | ||
97359d12 | 547 | params.cipher = key->conf.cipher; |
62da92fb | 548 | |
97359d12 JB |
549 | switch (key->conf.cipher) { |
550 | case WLAN_CIPHER_SUITE_TKIP: | |
f8079d43 EP |
551 | pn64 = atomic64_read(&key->conf.tx_pn); |
552 | iv32 = TKIP_PN_TO_IV32(pn64); | |
553 | iv16 = TKIP_PN_TO_IV16(pn64); | |
62da92fb | 554 | |
9352c19f JB |
555 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
556 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
557 | drv_get_key_seq(sdata->local, key, &kseq); | |
558 | iv32 = kseq.tkip.iv32; | |
559 | iv16 = kseq.tkip.iv16; | |
560 | } | |
62da92fb JB |
561 | |
562 | seq[0] = iv16 & 0xff; | |
563 | seq[1] = (iv16 >> 8) & 0xff; | |
564 | seq[2] = iv32 & 0xff; | |
565 | seq[3] = (iv32 >> 8) & 0xff; | |
566 | seq[4] = (iv32 >> 16) & 0xff; | |
567 | seq[5] = (iv32 >> 24) & 0xff; | |
568 | params.seq = seq; | |
569 | params.seq_len = 6; | |
570 | break; | |
97359d12 | 571 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 572 | case WLAN_CIPHER_SUITE_CCMP_256: |
97359d12 | 573 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 574 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
db388a56 JB |
575 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
576 | offsetof(typeof(kseq), aes_cmac)); | |
02049ce2 | 577 | /* fall through */ |
8ade538b JM |
578 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
579 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
db388a56 JB |
580 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
581 | offsetof(typeof(kseq), aes_gmac)); | |
02049ce2 | 582 | /* fall through */ |
00b9cfa3 JM |
583 | case WLAN_CIPHER_SUITE_GCMP: |
584 | case WLAN_CIPHER_SUITE_GCMP_256: | |
db388a56 JB |
585 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
586 | offsetof(typeof(kseq), gcmp)); | |
587 | ||
9352c19f JB |
588 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
589 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
590 | drv_get_key_seq(sdata->local, key, &kseq); | |
db388a56 | 591 | memcpy(seq, kseq.ccmp.pn, 6); |
9352c19f | 592 | } else { |
db388a56 | 593 | pn64 = atomic64_read(&key->conf.tx_pn); |
9352c19f JB |
594 | seq[0] = pn64; |
595 | seq[1] = pn64 >> 8; | |
596 | seq[2] = pn64 >> 16; | |
597 | seq[3] = pn64 >> 24; | |
598 | seq[4] = pn64 >> 32; | |
599 | seq[5] = pn64 >> 40; | |
600 | } | |
00b9cfa3 JM |
601 | params.seq = seq; |
602 | params.seq_len = 6; | |
603 | break; | |
a31cf1c6 JB |
604 | default: |
605 | if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) | |
606 | break; | |
607 | if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) | |
608 | break; | |
609 | drv_get_key_seq(sdata->local, key, &kseq); | |
610 | params.seq = kseq.hw.seq; | |
611 | params.seq_len = kseq.hw.seq_len; | |
612 | break; | |
62da92fb JB |
613 | } |
614 | ||
615 | params.key = key->conf.key; | |
616 | params.key_len = key->conf.keylen; | |
617 | ||
618 | callback(cookie, ¶ms); | |
619 | err = 0; | |
620 | ||
621 | out: | |
3b96766f | 622 | rcu_read_unlock(); |
62da92fb JB |
623 | return err; |
624 | } | |
625 | ||
e8cbb4cb JB |
626 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
627 | struct net_device *dev, | |
dbd2fd65 JB |
628 | u8 key_idx, bool uni, |
629 | bool multi) | |
e8cbb4cb | 630 | { |
ad0e2b5a | 631 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 632 | |
f7e0104c | 633 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
634 | |
635 | return 0; | |
636 | } | |
637 | ||
3cfcf6ac JM |
638 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
639 | struct net_device *dev, | |
640 | u8 key_idx) | |
641 | { | |
66c52421 | 642 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 643 | |
3cfcf6ac JM |
644 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
645 | ||
3cfcf6ac JM |
646 | return 0; |
647 | } | |
648 | ||
6b62bf32 TP |
649 | void sta_set_rate_info_tx(struct sta_info *sta, |
650 | const struct ieee80211_tx_rate *rate, | |
651 | struct rate_info *rinfo) | |
652 | { | |
653 | rinfo->flags = 0; | |
8bc83c24 | 654 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 655 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
656 | rinfo->mcs = rate->idx; |
657 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
658 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
659 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
660 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
661 | } else { | |
662 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
663 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
664 | u16 brate; | |
665 | ||
21a8e9dd MSS |
666 | sband = ieee80211_get_sband(sta->sdata); |
667 | if (sband) { | |
668 | brate = sband->bitrates[rate->idx].bitrate; | |
669 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
670 | } | |
8bc83c24 | 671 | } |
6b62bf32 | 672 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
b51f3bee JB |
673 | rinfo->bw = RATE_INFO_BW_40; |
674 | else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) | |
675 | rinfo->bw = RATE_INFO_BW_80; | |
676 | else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
677 | rinfo->bw = RATE_INFO_BW_160; | |
678 | else | |
679 | rinfo->bw = RATE_INFO_BW_20; | |
6b62bf32 TP |
680 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
681 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
682 | } |
683 | ||
c5dd9c2b | 684 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 685 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 686 | { |
3b53fde8 | 687 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 688 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 689 | struct sta_info *sta; |
d0709a65 JB |
690 | int ret = -ENOENT; |
691 | ||
66572cfc | 692 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 693 | |
3b53fde8 | 694 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
695 | if (sta) { |
696 | ret = 0; | |
17741cdc | 697 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
0fdf1493 | 698 | sta_set_sinfo(sta, sinfo, true); |
d0709a65 | 699 | } |
c5dd9c2b | 700 | |
66572cfc | 701 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 702 | |
d0709a65 | 703 | return ret; |
c5dd9c2b LCC |
704 | } |
705 | ||
1289723e HS |
706 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
707 | int idx, struct survey_info *survey) | |
708 | { | |
709 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
710 | ||
1289723e HS |
711 | return drv_get_survey(local, idx, survey); |
712 | } | |
713 | ||
7bbdd2d9 | 714 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 715 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 716 | { |
abe60632 | 717 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 718 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 719 | struct sta_info *sta; |
d0709a65 | 720 | int ret = -ENOENT; |
7bbdd2d9 | 721 | |
66572cfc | 722 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 723 | |
0e5ded5a | 724 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
725 | if (sta) { |
726 | ret = 0; | |
0fdf1493 | 727 | sta_set_sinfo(sta, sinfo, true); |
d0709a65 JB |
728 | } |
729 | ||
66572cfc | 730 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
731 | |
732 | return ret; | |
7bbdd2d9 JB |
733 | } |
734 | ||
55de908a | 735 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 736 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
737 | { |
738 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
739 | struct ieee80211_sub_if_data *sdata; |
740 | int ret = 0; | |
3d9e6e12 | 741 | |
4bf88530 | 742 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 743 | return 0; |
3d9e6e12 | 744 | |
34a3740d | 745 | mutex_lock(&local->mtx); |
55de908a | 746 | if (local->use_chanctx) { |
4a199068 | 747 | sdata = rtnl_dereference(local->monitor_sdata); |
55de908a JB |
748 | if (sdata) { |
749 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 750 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
751 | IEEE80211_CHANCTX_EXCLUSIVE); |
752 | } | |
753 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 754 | local->_oper_chandef = *chandef; |
55de908a JB |
755 | ieee80211_hw_config(local, 0); |
756 | } | |
3d9e6e12 | 757 | |
4bf88530 JB |
758 | if (ret == 0) |
759 | local->monitor_chandef = *chandef; | |
34a3740d | 760 | mutex_unlock(&local->mtx); |
3d9e6e12 | 761 | |
55de908a | 762 | return ret; |
e8c9bd5b JB |
763 | } |
764 | ||
02945821 | 765 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
766 | const u8 *resp, size_t resp_len, |
767 | const struct ieee80211_csa_settings *csa) | |
02945821 | 768 | { |
aa7a0080 | 769 | struct probe_resp *new, *old; |
02945821 AN |
770 | |
771 | if (!resp || !resp_len) | |
aba4e6ff | 772 | return 1; |
02945821 | 773 | |
7ca133bc | 774 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 775 | |
aa7a0080 | 776 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
777 | if (!new) |
778 | return -ENOMEM; | |
779 | ||
aa7a0080 ES |
780 | new->len = resp_len; |
781 | memcpy(new->data, resp, resp_len); | |
02945821 | 782 | |
af296bdb MK |
783 | if (csa) |
784 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
785 | csa->n_counter_offsets_presp * | |
786 | sizeof(new->csa_counter_offsets[0])); | |
787 | ||
02945821 | 788 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
789 | if (old) |
790 | kfree_rcu(old, rcu_head); | |
02945821 AN |
791 | |
792 | return 0; | |
793 | } | |
794 | ||
0ae07968 | 795 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
796 | struct cfg80211_beacon_data *params, |
797 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
798 | { |
799 | struct beacon_data *new, *old; | |
800 | int new_head_len, new_tail_len; | |
8860020e JB |
801 | int size, err; |
802 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 803 | |
7ca133bc SW |
804 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
805 | ||
5dfdaf58 | 806 | |
5dfdaf58 JB |
807 | /* Need to have a beacon head if we don't have one yet */ |
808 | if (!params->head && !old) | |
8860020e | 809 | return -EINVAL; |
5dfdaf58 JB |
810 | |
811 | /* new or old head? */ | |
812 | if (params->head) | |
813 | new_head_len = params->head_len; | |
814 | else | |
815 | new_head_len = old->head_len; | |
816 | ||
817 | /* new or old tail? */ | |
818 | if (params->tail || !old) | |
819 | /* params->tail_len will be zero for !params->tail */ | |
820 | new_tail_len = params->tail_len; | |
821 | else | |
822 | new_tail_len = old->tail_len; | |
823 | ||
824 | size = sizeof(*new) + new_head_len + new_tail_len; | |
825 | ||
826 | new = kzalloc(size, GFP_KERNEL); | |
827 | if (!new) | |
828 | return -ENOMEM; | |
829 | ||
830 | /* start filling the new info now */ | |
831 | ||
5dfdaf58 JB |
832 | /* |
833 | * pointers go into the block we allocated, | |
834 | * memory is | beacon_data | head | tail | | |
835 | */ | |
836 | new->head = ((u8 *) new) + sizeof(*new); | |
837 | new->tail = new->head + new_head_len; | |
838 | new->head_len = new_head_len; | |
839 | new->tail_len = new_tail_len; | |
840 | ||
af296bdb MK |
841 | if (csa) { |
842 | new->csa_current_counter = csa->count; | |
843 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
844 | csa->n_counter_offsets_beacon * | |
845 | sizeof(new->csa_counter_offsets[0])); | |
846 | } | |
847 | ||
5dfdaf58 JB |
848 | /* copy in head */ |
849 | if (params->head) | |
850 | memcpy(new->head, params->head, new_head_len); | |
851 | else | |
852 | memcpy(new->head, old->head, new_head_len); | |
853 | ||
854 | /* copy in optional tail */ | |
855 | if (params->tail) | |
856 | memcpy(new->tail, params->tail, new_tail_len); | |
857 | else | |
858 | if (old) | |
859 | memcpy(new->tail, old->tail, new_tail_len); | |
860 | ||
02945821 | 861 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 862 | params->probe_resp_len, csa); |
8860020e JB |
863 | if (err < 0) |
864 | return err; | |
865 | if (err == 0) | |
02945821 AN |
866 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
867 | ||
8860020e JB |
868 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
869 | ||
870 | if (old) | |
871 | kfree_rcu(old, rcu_head); | |
7827493b | 872 | |
8860020e | 873 | return changed; |
5dfdaf58 JB |
874 | } |
875 | ||
8860020e JB |
876 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
877 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 878 | { |
8860020e | 879 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 880 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 881 | struct beacon_data *old; |
665c93a9 | 882 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
883 | u32 changed = BSS_CHANGED_BEACON_INT | |
884 | BSS_CHANGED_BEACON_ENABLED | | |
885 | BSS_CHANGED_BEACON | | |
339afbf4 | 886 | BSS_CHANGED_SSID | |
4bcc56bb JB |
887 | BSS_CHANGED_P2P_PS | |
888 | BSS_CHANGED_TXPOWER; | |
8860020e | 889 | int err; |
14db74bc | 890 | |
7ca133bc | 891 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
892 | if (old) |
893 | return -EALREADY; | |
894 | ||
f6993174 EP |
895 | switch (params->smps_mode) { |
896 | case NL80211_SMPS_OFF: | |
897 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
898 | break; | |
899 | case NL80211_SMPS_STATIC: | |
900 | sdata->smps_mode = IEEE80211_SMPS_STATIC; | |
901 | break; | |
902 | case NL80211_SMPS_DYNAMIC: | |
903 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; | |
904 | break; | |
905 | default: | |
906 | return -EINVAL; | |
907 | } | |
b3dd8279 EG |
908 | sdata->u.ap.req_smps = sdata->smps_mode; |
909 | ||
04ecd257 JB |
910 | sdata->needed_rx_chains = sdata->local->rx_chains; |
911 | ||
ac668afe JB |
912 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
913 | ||
34a3740d | 914 | mutex_lock(&local->mtx); |
4bf88530 | 915 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 916 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
917 | if (!err) |
918 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 919 | mutex_unlock(&local->mtx); |
aa430da4 JB |
920 | if (err) |
921 | return err; | |
922 | ||
665c93a9 JB |
923 | /* |
924 | * Apply control port protocol, this allows us to | |
925 | * not encrypt dynamic WEP control frames. | |
926 | */ | |
927 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
928 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
018f6fbf DK |
929 | sdata->control_port_over_nl80211 = |
930 | params->crypto.control_port_over_nl80211; | |
2475b1cc MS |
931 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
932 | ¶ms->crypto, | |
933 | sdata->vif.type); | |
934 | ||
665c93a9 JB |
935 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
936 | vlan->control_port_protocol = | |
937 | params->crypto.control_port_ethertype; | |
938 | vlan->control_port_no_encrypt = | |
939 | params->crypto.control_port_no_encrypt; | |
018f6fbf DK |
940 | vlan->control_port_over_nl80211 = |
941 | params->crypto.control_port_over_nl80211; | |
2475b1cc MS |
942 | vlan->encrypt_headroom = |
943 | ieee80211_cs_headroom(sdata->local, | |
944 | ¶ms->crypto, | |
945 | vlan->vif.type); | |
665c93a9 JB |
946 | } |
947 | ||
8860020e | 948 | sdata->vif.bss_conf.dtim_period = params->dtim_period; |
d6a83228 | 949 | sdata->vif.bss_conf.enable_beacon = true; |
52cfa1d6 | 950 | sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; |
8860020e JB |
951 | |
952 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
953 | if (params->ssid_len) | |
954 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
955 | params->ssid_len); | |
956 | sdata->vif.bss_conf.hidden_ssid = | |
957 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
958 | ||
67baf663 JD |
959 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
960 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
961 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
962 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
963 | if (params->p2p_opp_ps) | |
964 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
965 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 966 | |
af296bdb | 967 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
968 | if (err < 0) { |
969 | ieee80211_vif_release_channel(sdata); | |
8860020e | 970 | return err; |
0297ea17 | 971 | } |
8860020e JB |
972 | changed |= err; |
973 | ||
1041638f JB |
974 | err = drv_start_ap(sdata->local, sdata); |
975 | if (err) { | |
7ca133bc SW |
976 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
977 | ||
1041638f JB |
978 | if (old) |
979 | kfree_rcu(old, rcu_head); | |
980 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 981 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
982 | return err; |
983 | } | |
984 | ||
057d5f4b | 985 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
986 | ieee80211_bss_info_change_notify(sdata, changed); |
987 | ||
3edaf3e6 JB |
988 | netif_carrier_on(dev); |
989 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
990 | netif_carrier_on(vlan->dev); | |
991 | ||
665c93a9 | 992 | return 0; |
5dfdaf58 JB |
993 | } |
994 | ||
8860020e JB |
995 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
996 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 997 | { |
14db74bc | 998 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 999 | struct beacon_data *old; |
8860020e | 1000 | int err; |
5dfdaf58 | 1001 | |
14db74bc | 1002 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 1003 | sdata_assert_lock(sdata); |
14db74bc | 1004 | |
73da7d5b SW |
1005 | /* don't allow changing the beacon while CSA is in place - offset |
1006 | * of channel switch counter may change | |
1007 | */ | |
1008 | if (sdata->vif.csa_active) | |
1009 | return -EBUSY; | |
1010 | ||
7ca133bc | 1011 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
1012 | if (!old) |
1013 | return -ENOENT; | |
1014 | ||
af296bdb | 1015 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
1016 | if (err < 0) |
1017 | return err; | |
1018 | ieee80211_bss_info_change_notify(sdata, err); | |
1019 | return 0; | |
5dfdaf58 JB |
1020 | } |
1021 | ||
8860020e | 1022 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1023 | { |
7b20b8e8 JB |
1024 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1025 | struct ieee80211_sub_if_data *vlan; | |
1026 | struct ieee80211_local *local = sdata->local; | |
1027 | struct beacon_data *old_beacon; | |
1028 | struct probe_resp *old_probe_resp; | |
d2859df5 | 1029 | struct cfg80211_chan_def chandef; |
14db74bc | 1030 | |
dbd72850 MK |
1031 | sdata_assert_lock(sdata); |
1032 | ||
7ca133bc | 1033 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 1034 | if (!old_beacon) |
5dfdaf58 | 1035 | return -ENOENT; |
7ca133bc | 1036 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 1037 | |
73da7d5b | 1038 | /* abort any running channel switch */ |
59af6928 | 1039 | mutex_lock(&local->mtx); |
73da7d5b | 1040 | sdata->vif.csa_active = false; |
a46992b4 LC |
1041 | if (sdata->csa_block_tx) { |
1042 | ieee80211_wake_vif_queues(local, sdata, | |
1043 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
1044 | sdata->csa_block_tx = false; | |
1045 | } | |
1046 | ||
59af6928 MK |
1047 | mutex_unlock(&local->mtx); |
1048 | ||
1f3b8a2b SW |
1049 | kfree(sdata->u.ap.next_beacon); |
1050 | sdata->u.ap.next_beacon = NULL; | |
1051 | ||
7b20b8e8 | 1052 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1053 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1054 | netif_carrier_off(vlan->dev); | |
1055 | netif_carrier_off(dev); | |
1056 | ||
7b20b8e8 | 1057 | /* remove beacon and probe response */ |
a9b3cd7f | 1058 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1059 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1060 | kfree_rcu(old_beacon, rcu_head); | |
1061 | if (old_probe_resp) | |
1062 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 1063 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 1064 | |
e716251d | 1065 | __sta_info_flush(sdata, true); |
7907c7d3 | 1066 | ieee80211_free_keys(sdata, true); |
75de9113 | 1067 | |
d6a83228 | 1068 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 1069 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 1070 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 1071 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1072 | |
a6b368f6 | 1073 | if (sdata->wdev.cac_started) { |
d2859df5 | 1074 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 1075 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
1076 | cfg80211_cac_event(sdata->dev, &chandef, |
1077 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
1078 | GFP_KERNEL); |
1079 | } | |
1080 | ||
1041638f JB |
1081 | drv_stop_ap(sdata->local, sdata); |
1082 | ||
7b20b8e8 JB |
1083 | /* free all potentially still buffered bcast frames */ |
1084 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
6b07d9ca | 1085 | ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); |
7b20b8e8 | 1086 | |
34a3740d | 1087 | mutex_lock(&local->mtx); |
4e141dad | 1088 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 1089 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1090 | mutex_unlock(&local->mtx); |
55de908a | 1091 | |
2d0ddec5 | 1092 | return 0; |
5dfdaf58 JB |
1093 | } |
1094 | ||
4fd6931e JB |
1095 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1096 | struct iapp_layer2_update { | |
1097 | u8 da[ETH_ALEN]; /* broadcast */ | |
1098 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1099 | __be16 len; /* 6 */ | |
1100 | u8 dsap; /* 0 */ | |
1101 | u8 ssap; /* 0 */ | |
1102 | u8 control; | |
1103 | u8 xid_info[3]; | |
bc10502d | 1104 | } __packed; |
4fd6931e JB |
1105 | |
1106 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1107 | { | |
1108 | struct iapp_layer2_update *msg; | |
1109 | struct sk_buff *skb; | |
1110 | ||
1111 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1112 | * bridge devices */ | |
1113 | ||
1114 | skb = dev_alloc_skb(sizeof(*msg)); | |
1115 | if (!skb) | |
1116 | return; | |
4df864c1 | 1117 | msg = skb_put(skb, sizeof(*msg)); |
4fd6931e JB |
1118 | |
1119 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1120 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1121 | ||
e83e6541 | 1122 | eth_broadcast_addr(msg->da); |
17741cdc | 1123 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1124 | msg->len = htons(6); |
1125 | msg->dsap = 0; | |
1126 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1127 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1128 | * F=0 (no poll command; unsolicited frame) */ | |
1129 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1130 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1131 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1132 | ||
d0709a65 JB |
1133 | skb->dev = sta->sdata->dev; |
1134 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1135 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1136 | netif_rx_ni(skb); |
4fd6931e JB |
1137 | } |
1138 | ||
d582cffb JB |
1139 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1140 | struct sta_info *sta, | |
1141 | u32 mask, u32 set) | |
1142 | { | |
1143 | int ret; | |
1144 | ||
1145 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1146 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1147 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1148 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1149 | if (ret) | |
1150 | return ret; | |
1151 | } | |
1152 | ||
1153 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1154 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1155 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
c23e31cf MP |
1156 | /* |
1157 | * When peer becomes associated, init rate control as | |
1158 | * well. Some drivers require rate control initialized | |
1159 | * before drv_sta_state() is called. | |
1160 | */ | |
44674d9c | 1161 | if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) |
c23e31cf MP |
1162 | rate_control_rate_init(sta); |
1163 | ||
d582cffb JB |
1164 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
1165 | if (ret) | |
1166 | return ret; | |
1167 | } | |
1168 | ||
1169 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1170 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1171 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1172 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1173 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1174 | else | |
1175 | ret = 0; | |
1176 | if (ret) | |
1177 | return ret; | |
1178 | } | |
1179 | ||
1180 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1181 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1182 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1183 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1184 | if (ret) | |
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1189 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1190 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1191 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1192 | if (ret) | |
1193 | return ret; | |
1194 | } | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
13657702 JB |
1199 | static void sta_apply_mesh_params(struct ieee80211_local *local, |
1200 | struct sta_info *sta, | |
1201 | struct station_parameters *params) | |
1202 | { | |
1203 | #ifdef CONFIG_MAC80211_MESH | |
1204 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
1205 | u32 changed = 0; | |
1206 | ||
1207 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
1208 | switch (params->plink_state) { | |
1209 | case NL80211_PLINK_ESTAB: | |
1210 | if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) | |
1211 | changed = mesh_plink_inc_estab_count(sdata); | |
1212 | sta->mesh->plink_state = params->plink_state; | |
7d27a0ba | 1213 | sta->mesh->aid = params->peer_aid; |
13657702 JB |
1214 | |
1215 | ieee80211_mps_sta_status_update(sta); | |
1216 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1217 | sdata->u.mesh.mshcfg.power_mode); | |
1218 | break; | |
1219 | case NL80211_PLINK_LISTEN: | |
1220 | case NL80211_PLINK_BLOCKED: | |
1221 | case NL80211_PLINK_OPN_SNT: | |
1222 | case NL80211_PLINK_OPN_RCVD: | |
1223 | case NL80211_PLINK_CNF_RCVD: | |
1224 | case NL80211_PLINK_HOLDING: | |
1225 | if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) | |
1226 | changed = mesh_plink_dec_estab_count(sdata); | |
1227 | sta->mesh->plink_state = params->plink_state; | |
1228 | ||
1229 | ieee80211_mps_sta_status_update(sta); | |
1230 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1231 | NL80211_MESH_POWER_UNKNOWN); | |
1232 | break; | |
1233 | default: | |
1234 | /* nothing */ | |
1235 | break; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | switch (params->plink_action) { | |
1240 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1241 | /* nothing */ | |
1242 | break; | |
1243 | case NL80211_PLINK_ACTION_OPEN: | |
1244 | changed |= mesh_plink_open(sta); | |
1245 | break; | |
1246 | case NL80211_PLINK_ACTION_BLOCK: | |
1247 | changed |= mesh_plink_block(sta); | |
1248 | break; | |
1249 | } | |
1250 | ||
1251 | if (params->local_pm) | |
1252 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1253 | params->local_pm); | |
1254 | ||
1255 | ieee80211_mbss_info_change_notify(sdata, changed); | |
1256 | #endif | |
1257 | } | |
1258 | ||
d9a7ddb0 JB |
1259 | static int sta_apply_parameters(struct ieee80211_local *local, |
1260 | struct sta_info *sta, | |
1261 | struct station_parameters *params) | |
4fd6931e | 1262 | { |
d9a7ddb0 | 1263 | int ret = 0; |
8318d78a | 1264 | struct ieee80211_supported_band *sband; |
d0709a65 | 1265 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 1266 | u32 mask, set; |
4fd6931e | 1267 | |
21a8e9dd MSS |
1268 | sband = ieee80211_get_sband(sdata); |
1269 | if (!sband) | |
1270 | return -EINVAL; | |
ae5eb026 | 1271 | |
eccb8e8f JB |
1272 | mask = params->sta_flags_mask; |
1273 | set = params->sta_flags_set; | |
73651ee6 | 1274 | |
d582cffb JB |
1275 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1276 | /* | |
1277 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1278 | * API but must follow AUTHENTICATED for driver state. | |
1279 | */ | |
1280 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1281 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1282 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1283 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1284 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1285 | /* | |
1286 | * TDLS -- everything follows authorized, but | |
1287 | * only becoming authorized is possible, not | |
1288 | * going back | |
1289 | */ | |
1290 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1291 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1292 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1293 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1294 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1295 | } | |
eccb8e8f | 1296 | } |
4fd6931e | 1297 | |
2c44be81 JB |
1298 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
1299 | local->hw.queues >= IEEE80211_NUM_ACS) | |
1300 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
1301 | ||
44674d9c AB |
1302 | /* auth flags will be set later for TDLS, |
1303 | * and for unassociated stations that move to assocaited */ | |
1304 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1305 | !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1306 | (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
68885a54 AN |
1307 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1308 | if (ret) | |
1309 | return ret; | |
1310 | } | |
d9a7ddb0 | 1311 | |
eccb8e8f | 1312 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1313 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1314 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1315 | else | |
1316 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1317 | } |
4fd6931e | 1318 | |
eccb8e8f | 1319 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
93f0490e | 1320 | sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); |
eccb8e8f | 1321 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1322 | set_sta_flag(sta, WLAN_STA_MFP); |
1323 | else | |
1324 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1325 | } |
b39c48fa | 1326 | |
07ba55d7 | 1327 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1328 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1329 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1330 | else | |
1331 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1332 | } |
4fd6931e | 1333 | |
9041c1fa AN |
1334 | /* mark TDLS channel switch support, if the AP allows it */ |
1335 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1336 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1337 | params->ext_capab_len >= 4 && | |
1338 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1339 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1340 | ||
b98fb44f | 1341 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
82c0cc90 | 1342 | !sdata->u.mgd.tdls_wider_bw_prohibited && |
b98fb44f AN |
1343 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && |
1344 | params->ext_capab_len >= 8 && | |
1345 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1346 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1347 | ||
3b9ce80c JB |
1348 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1349 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1350 | sta->sta.max_sp = params->max_sp; | |
1351 | } | |
9533b4ac | 1352 | |
506bcfa8 EG |
1353 | /* The sender might not have sent the last bit, consider it to be 0 */ |
1354 | if (params->ext_capab_len >= 8) { | |
1355 | u8 val = (params->ext_capab[7] & | |
1356 | WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; | |
1357 | ||
1358 | /* we did get all the bits, take the MSB as well */ | |
1359 | if (params->ext_capab_len >= 9) { | |
1360 | u8 val_msb = params->ext_capab[8] & | |
1361 | WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; | |
1362 | val_msb <<= 1; | |
1363 | val |= val_msb; | |
1364 | } | |
1365 | ||
1366 | switch (val) { | |
1367 | case 1: | |
1368 | sta->sta.max_amsdu_subframes = 32; | |
1369 | break; | |
1370 | case 2: | |
1371 | sta->sta.max_amsdu_subframes = 16; | |
1372 | break; | |
1373 | case 3: | |
1374 | sta->sta.max_amsdu_subframes = 8; | |
1375 | break; | |
1376 | default: | |
1377 | sta->sta.max_amsdu_subframes = 0; | |
1378 | } | |
1379 | } | |
1380 | ||
51b50fbe JB |
1381 | /* |
1382 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1383 | * only when creating a new station entry | |
1384 | */ | |
1385 | if (params->aid) | |
1386 | sta->sta.aid = params->aid; | |
1387 | ||
73651ee6 | 1388 | /* |
ba23d206 JB |
1389 | * Some of the following updates would be racy if called on an |
1390 | * existing station, via ieee80211_change_station(). However, | |
1391 | * all such changes are rejected by cfg80211 except for updates | |
1392 | * changing the supported rates on an existing but not yet used | |
1393 | * TDLS peer. | |
73651ee6 JB |
1394 | */ |
1395 | ||
4fd6931e JB |
1396 | if (params->listen_interval >= 0) |
1397 | sta->listen_interval = params->listen_interval; | |
1398 | ||
1399 | if (params->supported_rates) { | |
2103dec1 SW |
1400 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1401 | sband, params->supported_rates, | |
1402 | params->supported_rates_len, | |
21a8e9dd | 1403 | &sta->sta.supp_rates[sband->band]); |
4fd6931e | 1404 | } |
c5dd9c2b | 1405 | |
d9fe60de | 1406 | if (params->ht_capa) |
ef96a842 | 1407 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1408 | params->ht_capa, sta); |
36aedc90 | 1409 | |
506bcfa8 | 1410 | /* VHT can override some HT caps such as the A-MSDU max length */ |
f461be3e MP |
1411 | if (params->vht_capa) |
1412 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1413 | params->vht_capa, sta); |
f461be3e | 1414 | |
41cbb0f5 LC |
1415 | if (params->he_capa) |
1416 | ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, | |
1417 | (void *)params->he_capa, | |
1418 | params->he_capa_len, sta); | |
1419 | ||
b1bce14a | 1420 | if (params->opmode_notif_used) { |
b1bce14a MK |
1421 | /* returned value is only needed for rc update, but the |
1422 | * rc isn't initialized here yet, so ignore it | |
1423 | */ | |
21a8e9dd MSS |
1424 | __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif, |
1425 | sband->band); | |
b1bce14a MK |
1426 | } |
1427 | ||
52cfa1d6 AB |
1428 | if (params->support_p2p_ps >= 0) |
1429 | sta->sta.support_p2p_ps = params->support_p2p_ps; | |
1430 | ||
13657702 JB |
1431 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1432 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1433 | |
68885a54 | 1434 | /* set the STA state after all sta info from usermode has been set */ |
44674d9c AB |
1435 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || |
1436 | set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { | |
68885a54 AN |
1437 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1438 | if (ret) | |
1439 | return ret; | |
1440 | } | |
1441 | ||
d9a7ddb0 | 1442 | return 0; |
4fd6931e JB |
1443 | } |
1444 | ||
1445 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1446 | const u8 *mac, |
1447 | struct station_parameters *params) | |
4fd6931e | 1448 | { |
14db74bc | 1449 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1450 | struct sta_info *sta; |
1451 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1452 | int err; |
b8d476c8 | 1453 | int layer2_update; |
4fd6931e | 1454 | |
4fd6931e JB |
1455 | if (params->vlan) { |
1456 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1457 | ||
05c914fe JB |
1458 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1459 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1460 | return -EINVAL; |
1461 | } else | |
1462 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1463 | ||
b203ca39 | 1464 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1465 | return -EINVAL; |
1466 | ||
1467 | if (is_multicast_ether_addr(mac)) | |
1468 | return -EINVAL; | |
1469 | ||
1470 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1471 | if (!sta) |
1472 | return -ENOMEM; | |
4fd6931e | 1473 | |
44674d9c AB |
1474 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
1475 | sta->sta.tdls = true; | |
4fd6931e | 1476 | |
d9a7ddb0 JB |
1477 | err = sta_apply_parameters(local, sta, params); |
1478 | if (err) { | |
1479 | sta_info_free(local, sta); | |
1480 | return err; | |
1481 | } | |
4fd6931e | 1482 | |
d64cf63e | 1483 | /* |
44674d9c AB |
1484 | * for TDLS and for unassociated station, rate control should be |
1485 | * initialized only when rates are known and station is marked | |
1486 | * authorized/associated | |
d64cf63e | 1487 | */ |
44674d9c AB |
1488 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1489 | test_sta_flag(sta, WLAN_STA_ASSOC)) | |
d64cf63e | 1490 | rate_control_rate_init(sta); |
4fd6931e | 1491 | |
b8d476c8 JM |
1492 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1493 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1494 | ||
34e89507 | 1495 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1496 | if (err) { |
73651ee6 JB |
1497 | rcu_read_unlock(); |
1498 | return err; | |
1499 | } | |
1500 | ||
b8d476c8 | 1501 | if (layer2_update) |
73651ee6 JB |
1502 | ieee80211_send_layer2_update(sta); |
1503 | ||
1504 | rcu_read_unlock(); | |
1505 | ||
4fd6931e JB |
1506 | return 0; |
1507 | } | |
1508 | ||
1509 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1510 | struct station_del_parameters *params) |
4fd6931e | 1511 | { |
14db74bc | 1512 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1513 | |
14db74bc JB |
1514 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1515 | ||
89c771e5 JM |
1516 | if (params->mac) |
1517 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1518 | |
b998e8bb | 1519 | sta_info_flush(sdata); |
4fd6931e JB |
1520 | return 0; |
1521 | } | |
1522 | ||
1523 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1524 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1525 | struct station_parameters *params) |
1526 | { | |
abe60632 | 1527 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1528 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1529 | struct sta_info *sta; |
1530 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1531 | enum cfg80211_station_type statype; |
35b88623 | 1532 | int err; |
4fd6931e | 1533 | |
87be1e1e | 1534 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1535 | |
0e5ded5a | 1536 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1537 | if (!sta) { |
77ee7c89 JB |
1538 | err = -ENOENT; |
1539 | goto out_err; | |
98dd6a57 | 1540 | } |
4fd6931e | 1541 | |
77ee7c89 JB |
1542 | switch (sdata->vif.type) { |
1543 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1544 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1545 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1546 | else |
eef941e6 | 1547 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1548 | break; |
1549 | case NL80211_IFTYPE_ADHOC: | |
1550 | statype = CFG80211_STA_IBSS; | |
1551 | break; | |
1552 | case NL80211_IFTYPE_STATION: | |
1553 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1554 | statype = CFG80211_STA_AP_STA; | |
1555 | break; | |
1556 | } | |
1557 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1558 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1559 | else | |
1560 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1561 | break; | |
1562 | case NL80211_IFTYPE_AP: | |
1563 | case NL80211_IFTYPE_AP_VLAN: | |
44674d9c AB |
1564 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
1565 | statype = CFG80211_STA_AP_CLIENT; | |
1566 | else | |
1567 | statype = CFG80211_STA_AP_CLIENT_UNASSOC; | |
77ee7c89 JB |
1568 | break; |
1569 | default: | |
1570 | err = -EOPNOTSUPP; | |
1571 | goto out_err; | |
bdd90d5e JB |
1572 | } |
1573 | ||
77ee7c89 JB |
1574 | err = cfg80211_check_station_change(wiphy, params, statype); |
1575 | if (err) | |
1576 | goto out_err; | |
1577 | ||
d0709a65 | 1578 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
1579 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1580 | ||
9bc383de | 1581 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1582 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1583 | err = -EBUSY; |
1584 | goto out_err; | |
3305443c | 1585 | } |
f14543ee | 1586 | |
cf778b00 | 1587 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
49ddf8e6 | 1588 | __ieee80211_check_fast_rx_iface(vlansdata); |
7e3ed02c FF |
1589 | } |
1590 | ||
1591 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
72f15d53 | 1592 | sta->sdata->u.vlan.sta) |
0c2bef46 | 1593 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
72f15d53 MB |
1594 | |
1595 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1596 | ieee80211_vif_dec_num_mcast(sta->sdata); | |
f14543ee | 1597 | |
14db74bc | 1598 | sta->sdata = vlansdata; |
464daaf0 | 1599 | ieee80211_check_fast_xmit(sta); |
7e3ed02c | 1600 | |
72f15d53 MB |
1601 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
1602 | ieee80211_vif_inc_num_mcast(sta->sdata); | |
7e3ed02c | 1603 | |
4fd6931e JB |
1604 | ieee80211_send_layer2_update(sta); |
1605 | } | |
1606 | ||
35b88623 | 1607 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1608 | if (err) |
1609 | goto out_err; | |
4fd6931e | 1610 | |
87be1e1e | 1611 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1612 | |
687da132 EG |
1613 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1614 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1615 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1616 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1617 | sta_info_tx_streams(sta) != 1) { | |
1618 | ht_dbg(sta->sdata, | |
1619 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1620 | sta->sta.addr); | |
1621 | ieee80211_send_smps_action(sta->sdata, | |
1622 | sta->sdata->bss->req_smps, | |
1623 | sta->sta.addr, | |
1624 | sta->sdata->vif.bss_conf.bssid); | |
1625 | } | |
1626 | ||
808118cb | 1627 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1628 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4a733ef1 | 1629 | ieee80211_recalc_ps(local); |
ab095877 EP |
1630 | ieee80211_recalc_ps_vif(sdata); |
1631 | } | |
77ee7c89 | 1632 | |
4fd6931e | 1633 | return 0; |
77ee7c89 JB |
1634 | out_err: |
1635 | mutex_unlock(&local->sta_mtx); | |
1636 | return err; | |
4fd6931e JB |
1637 | } |
1638 | ||
c5dd9c2b LCC |
1639 | #ifdef CONFIG_MAC80211_MESH |
1640 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1641 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1642 | { |
14db74bc | 1643 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1644 | struct mesh_path *mpath; |
1645 | struct sta_info *sta; | |
c5dd9c2b | 1646 | |
14db74bc JB |
1647 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1648 | ||
d0709a65 | 1649 | rcu_read_lock(); |
abe60632 | 1650 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1651 | if (!sta) { |
1652 | rcu_read_unlock(); | |
c5dd9c2b | 1653 | return -ENOENT; |
d0709a65 | 1654 | } |
c5dd9c2b | 1655 | |
ae76eef0 BC |
1656 | mpath = mesh_path_add(sdata, dst); |
1657 | if (IS_ERR(mpath)) { | |
d0709a65 | 1658 | rcu_read_unlock(); |
ae76eef0 | 1659 | return PTR_ERR(mpath); |
d0709a65 | 1660 | } |
c5dd9c2b | 1661 | |
c5dd9c2b | 1662 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1663 | |
c5dd9c2b LCC |
1664 | rcu_read_unlock(); |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1669 | const u8 *dst) |
c5dd9c2b | 1670 | { |
f698d856 JBG |
1671 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1672 | ||
c5dd9c2b | 1673 | if (dst) |
bf7cd94d | 1674 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1675 | |
ece1a2e7 | 1676 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1677 | return 0; |
1678 | } | |
1679 | ||
3b3a0162 JB |
1680 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1681 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1682 | { |
14db74bc | 1683 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1684 | struct mesh_path *mpath; |
1685 | struct sta_info *sta; | |
1686 | ||
14db74bc JB |
1687 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1688 | ||
d0709a65 JB |
1689 | rcu_read_lock(); |
1690 | ||
abe60632 | 1691 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1692 | if (!sta) { |
1693 | rcu_read_unlock(); | |
c5dd9c2b | 1694 | return -ENOENT; |
d0709a65 | 1695 | } |
c5dd9c2b | 1696 | |
bf7cd94d | 1697 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1698 | if (!mpath) { |
1699 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1700 | return -ENOENT; |
1701 | } | |
1702 | ||
1703 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1704 | |
c5dd9c2b LCC |
1705 | rcu_read_unlock(); |
1706 | return 0; | |
1707 | } | |
1708 | ||
1709 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1710 | struct mpath_info *pinfo) | |
1711 | { | |
a3836e02 JB |
1712 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1713 | ||
1714 | if (next_hop_sta) | |
1715 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b | 1716 | else |
c84a67a2 | 1717 | eth_zero_addr(next_hop); |
c5dd9c2b | 1718 | |
7ce8c7a3 LAYS |
1719 | memset(pinfo, 0, sizeof(*pinfo)); |
1720 | ||
2bdaf386 | 1721 | pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; |
f5ea9120 | 1722 | |
c5dd9c2b | 1723 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1724 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1725 | MPATH_INFO_METRIC | |
1726 | MPATH_INFO_EXPTIME | | |
1727 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1728 | MPATH_INFO_DISCOVERY_RETRIES | | |
1729 | MPATH_INFO_FLAGS; | |
1730 | ||
1731 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1732 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1733 | pinfo->metric = mpath->metric; |
1734 | if (time_before(jiffies, mpath->exp_time)) | |
1735 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1736 | pinfo->discovery_timeout = | |
1737 | jiffies_to_msecs(mpath->discovery_timeout); | |
1738 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1739 | if (mpath->flags & MESH_PATH_ACTIVE) |
1740 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1741 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1742 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1743 | if (mpath->flags & MESH_PATH_SN_VALID) |
1744 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1745 | if (mpath->flags & MESH_PATH_FIXED) |
1746 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1747 | if (mpath->flags & MESH_PATH_RESOLVED) |
1748 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1749 | } |
1750 | ||
1751 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1752 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1753 | ||
1754 | { | |
14db74bc | 1755 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1756 | struct mesh_path *mpath; |
1757 | ||
14db74bc JB |
1758 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1759 | ||
c5dd9c2b | 1760 | rcu_read_lock(); |
bf7cd94d | 1761 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1762 | if (!mpath) { |
1763 | rcu_read_unlock(); | |
1764 | return -ENOENT; | |
1765 | } | |
1766 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1767 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1768 | rcu_read_unlock(); | |
1769 | return 0; | |
1770 | } | |
1771 | ||
1772 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1773 | int idx, u8 *dst, u8 *next_hop, |
1774 | struct mpath_info *pinfo) | |
c5dd9c2b | 1775 | { |
14db74bc | 1776 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1777 | struct mesh_path *mpath; |
1778 | ||
14db74bc JB |
1779 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1780 | ||
c5dd9c2b | 1781 | rcu_read_lock(); |
bf7cd94d | 1782 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1783 | if (!mpath) { |
1784 | rcu_read_unlock(); | |
1785 | return -ENOENT; | |
1786 | } | |
1787 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1788 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1789 | rcu_read_unlock(); | |
1790 | return 0; | |
1791 | } | |
93da9cc1 | 1792 | |
a2db2ed3 HR |
1793 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1794 | struct mpath_info *pinfo) | |
1795 | { | |
1796 | memset(pinfo, 0, sizeof(*pinfo)); | |
1797 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1798 | ||
2bdaf386 | 1799 | pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; |
a2db2ed3 HR |
1800 | } |
1801 | ||
1802 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1803 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1804 | ||
1805 | { | |
1806 | struct ieee80211_sub_if_data *sdata; | |
1807 | struct mesh_path *mpath; | |
1808 | ||
1809 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1810 | ||
1811 | rcu_read_lock(); | |
1812 | mpath = mpp_path_lookup(sdata, dst); | |
1813 | if (!mpath) { | |
1814 | rcu_read_unlock(); | |
1815 | return -ENOENT; | |
1816 | } | |
1817 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1818 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1819 | rcu_read_unlock(); | |
1820 | return 0; | |
1821 | } | |
1822 | ||
1823 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1824 | int idx, u8 *dst, u8 *mpp, | |
1825 | struct mpath_info *pinfo) | |
1826 | { | |
1827 | struct ieee80211_sub_if_data *sdata; | |
1828 | struct mesh_path *mpath; | |
1829 | ||
1830 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1831 | ||
1832 | rcu_read_lock(); | |
1833 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1834 | if (!mpath) { | |
1835 | rcu_read_unlock(); | |
1836 | return -ENOENT; | |
1837 | } | |
1838 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1839 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1840 | rcu_read_unlock(); | |
1841 | return 0; | |
1842 | } | |
1843 | ||
24bdd9f4 | 1844 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1845 | struct net_device *dev, |
1846 | struct mesh_config *conf) | |
1847 | { | |
1848 | struct ieee80211_sub_if_data *sdata; | |
1849 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1850 | ||
93da9cc1 | 1851 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1852 | return 0; | |
1853 | } | |
1854 | ||
1855 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1856 | { | |
1857 | return (mask >> (parm-1)) & 0x1; | |
1858 | } | |
1859 | ||
c80d545d JC |
1860 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1861 | const struct mesh_setup *setup) | |
1862 | { | |
1863 | u8 *new_ie; | |
1864 | const u8 *old_ie; | |
4bb62344 CYY |
1865 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1866 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1867 | |
581a8b0f | 1868 | /* allocate information elements */ |
c80d545d | 1869 | new_ie = NULL; |
581a8b0f | 1870 | old_ie = ifmsh->ie; |
c80d545d | 1871 | |
581a8b0f JC |
1872 | if (setup->ie_len) { |
1873 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1874 | GFP_KERNEL); |
1875 | if (!new_ie) | |
1876 | return -ENOMEM; | |
1877 | } | |
581a8b0f JC |
1878 | ifmsh->ie_len = setup->ie_len; |
1879 | ifmsh->ie = new_ie; | |
1880 | kfree(old_ie); | |
c80d545d JC |
1881 | |
1882 | /* now copy the rest of the setup parameters */ | |
1883 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1884 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1885 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1886 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1887 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1888 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1889 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce | 1890 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
0ab2e55d | 1891 | ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; |
b130e5ce JC |
1892 | if (setup->is_authenticated) |
1893 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1894 | if (setup->is_secure) | |
1895 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1896 | |
4bb62344 CYY |
1897 | /* mcast rate setting in Mesh Node */ |
1898 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1899 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1900 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1901 | |
9bdbf04d MP |
1902 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1903 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1904 | ||
c80d545d JC |
1905 | return 0; |
1906 | } | |
1907 | ||
24bdd9f4 | 1908 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1909 | struct net_device *dev, u32 mask, |
1910 | const struct mesh_config *nconf) | |
93da9cc1 | 1911 | { |
1912 | struct mesh_config *conf; | |
1913 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1914 | struct ieee80211_if_mesh *ifmsh; |
1915 | ||
93da9cc1 | 1916 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1917 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1918 | |
93da9cc1 | 1919 | /* Set the config options which we are interested in setting */ |
1920 | conf = &(sdata->u.mesh.mshcfg); | |
1921 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1922 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1923 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1924 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1925 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1926 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1927 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1928 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1929 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1930 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1931 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1932 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1933 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1934 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1935 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1936 | if (ifmsh->user_mpm) | |
1937 | return -EBUSY; | |
93da9cc1 | 1938 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1939 | } |
d299a1f2 JC |
1940 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1941 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1942 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1943 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1944 | conf->dot11MeshHWMPmaxPREQretries = | |
1945 | nconf->dot11MeshHWMPmaxPREQretries; | |
1946 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1947 | conf->path_refresh_time = nconf->path_refresh_time; | |
1948 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1949 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1950 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1951 | conf->dot11MeshHWMPactivePathTimeout = | |
1952 | nconf->dot11MeshHWMPactivePathTimeout; | |
1953 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1954 | conf->dot11MeshHWMPpreqMinInterval = | |
1955 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1956 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1957 | conf->dot11MeshHWMPperrMinInterval = | |
1958 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1959 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1960 | mask)) | |
1961 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1962 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1963 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1964 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1965 | ieee80211_mesh_root_setup(ifmsh); | |
1966 | } | |
16dd7267 | 1967 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1968 | /* our current gate announcement implementation rides on root |
1969 | * announcements, so require this ifmsh to also be a root node | |
1970 | * */ | |
1971 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1972 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1973 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1974 | ieee80211_mesh_root_setup(ifmsh); |
1975 | } | |
16dd7267 JC |
1976 | conf->dot11MeshGateAnnouncementProtocol = |
1977 | nconf->dot11MeshGateAnnouncementProtocol; | |
1978 | } | |
a4f606ea | 1979 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1980 | conf->dot11MeshHWMPRannInterval = |
1981 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1982 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1983 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1984 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1985 | /* our RSSI threshold implementation is supported only for | |
1986 | * devices that report signal in dBm. | |
1987 | */ | |
30686bf7 | 1988 | if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) |
55335137 AN |
1989 | return -ENOTSUPP; |
1990 | conf->rssi_threshold = nconf->rssi_threshold; | |
1991 | } | |
70c33eaa AN |
1992 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1993 | conf->ht_opmode = nconf->ht_opmode; | |
1994 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1995 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1996 | } | |
ac1073a6 CYY |
1997 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1998 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1999 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
2000 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
2001 | conf->dot11MeshHWMProotInterval = | |
2002 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
2003 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
2004 | conf->dot11MeshHWMPconfirmationInterval = | |
2005 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
2006 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
2007 | conf->power_mode = nconf->power_mode; | |
2008 | ieee80211_mps_local_status_update(sdata); | |
2009 | } | |
2b5e1967 | 2010 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
2011 | conf->dot11MeshAwakeWindowDuration = |
2012 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
2013 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
2014 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 2015 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 2016 | return 0; |
2017 | } | |
2018 | ||
29cbe68c JB |
2019 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
2020 | const struct mesh_config *conf, | |
2021 | const struct mesh_setup *setup) | |
2022 | { | |
2023 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2024 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 2025 | int err; |
29cbe68c | 2026 | |
c80d545d JC |
2027 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
2028 | err = copy_mesh_setup(ifmsh, setup); | |
2029 | if (err) | |
2030 | return err; | |
cc1d2806 | 2031 | |
018f6fbf DK |
2032 | sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; |
2033 | ||
04ecd257 JB |
2034 | /* can mesh use other SMPS modes? */ |
2035 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2036 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
2037 | ||
34a3740d | 2038 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 2039 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 2040 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 2041 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
2042 | if (err) |
2043 | return err; | |
2044 | ||
2b5e1967 | 2045 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
2046 | } |
2047 | ||
2048 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
2049 | { | |
2050 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2051 | ||
2052 | ieee80211_stop_mesh(sdata); | |
34a3740d | 2053 | mutex_lock(&sdata->local->mtx); |
55de908a | 2054 | ieee80211_vif_release_channel(sdata); |
34a3740d | 2055 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
2056 | |
2057 | return 0; | |
2058 | } | |
c5dd9c2b LCC |
2059 | #endif |
2060 | ||
9f1ba906 JM |
2061 | static int ieee80211_change_bss(struct wiphy *wiphy, |
2062 | struct net_device *dev, | |
2063 | struct bss_parameters *params) | |
2064 | { | |
55de908a | 2065 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
21a8e9dd | 2066 | struct ieee80211_supported_band *sband; |
9f1ba906 JM |
2067 | u32 changed = 0; |
2068 | ||
7ca133bc | 2069 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
2070 | return -ENOENT; |
2071 | ||
21a8e9dd MSS |
2072 | sband = ieee80211_get_sband(sdata); |
2073 | if (!sband) | |
2074 | return -EINVAL; | |
9f1ba906 | 2075 | |
9f1ba906 | 2076 | if (params->use_cts_prot >= 0) { |
bda3933a | 2077 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
2078 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
2079 | } | |
2080 | if (params->use_short_preamble >= 0) { | |
bda3933a | 2081 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
2082 | params->use_short_preamble; |
2083 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
2084 | } | |
43d35343 FF |
2085 | |
2086 | if (!sdata->vif.bss_conf.use_short_slot && | |
21a8e9dd | 2087 | sband->band == NL80211_BAND_5GHZ) { |
43d35343 FF |
2088 | sdata->vif.bss_conf.use_short_slot = true; |
2089 | changed |= BSS_CHANGED_ERP_SLOT; | |
2090 | } | |
2091 | ||
9f1ba906 | 2092 | if (params->use_short_slot_time >= 0) { |
bda3933a | 2093 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
2094 | params->use_short_slot_time; |
2095 | changed |= BSS_CHANGED_ERP_SLOT; | |
2096 | } | |
2097 | ||
90c97a04 | 2098 | if (params->basic_rates) { |
2103dec1 | 2099 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
21a8e9dd | 2100 | wiphy->bands[sband->band], |
2103dec1 SW |
2101 | params->basic_rates, |
2102 | params->basic_rates_len, | |
2103 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 | 2104 | changed |= BSS_CHANGED_BASIC_RATES; |
e8e4f528 | 2105 | ieee80211_check_rate_mask(sdata); |
90c97a04 JM |
2106 | } |
2107 | ||
7b7b5e56 FF |
2108 | if (params->ap_isolate >= 0) { |
2109 | if (params->ap_isolate) | |
2110 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2111 | else | |
2112 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
49ddf8e6 | 2113 | ieee80211_check_fast_rx_iface(sdata); |
7b7b5e56 FF |
2114 | } |
2115 | ||
80d7e403 HS |
2116 | if (params->ht_opmode >= 0) { |
2117 | sdata->vif.bss_conf.ht_operation_mode = | |
2118 | (u16) params->ht_opmode; | |
2119 | changed |= BSS_CHANGED_HT; | |
2120 | } | |
2121 | ||
339afbf4 | 2122 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
2123 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
2124 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
2125 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2126 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
2127 | changed |= BSS_CHANGED_P2P_PS; |
2128 | } | |
2129 | ||
67baf663 JD |
2130 | if (params->p2p_opp_ps > 0) { |
2131 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2132 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
2133 | changed |= BSS_CHANGED_P2P_PS; | |
2134 | } else if (params->p2p_opp_ps == 0) { | |
2135 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
2136 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
2137 | changed |= BSS_CHANGED_P2P_PS; |
2138 | } | |
2139 | ||
9f1ba906 JM |
2140 | ieee80211_bss_info_change_notify(sdata, changed); |
2141 | ||
2142 | return 0; | |
2143 | } | |
2144 | ||
31888487 | 2145 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 2146 | struct net_device *dev, |
31888487 JM |
2147 | struct ieee80211_txq_params *params) |
2148 | { | |
2149 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 2150 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
2151 | struct ieee80211_tx_queue_params p; |
2152 | ||
2153 | if (!local->ops->conf_tx) | |
2154 | return -EOPNOTSUPP; | |
2155 | ||
54bcbc69 JB |
2156 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2157 | return -EOPNOTSUPP; | |
2158 | ||
31888487 JM |
2159 | memset(&p, 0, sizeof(p)); |
2160 | p.aifs = params->aifs; | |
2161 | p.cw_max = params->cwmax; | |
2162 | p.cw_min = params->cwmin; | |
2163 | p.txop = params->txop; | |
ab13315a KV |
2164 | |
2165 | /* | |
2166 | * Setting tx queue params disables u-apsd because it's only | |
2167 | * called in master mode. | |
2168 | */ | |
2169 | p.uapsd = false; | |
2170 | ||
e552af05 HD |
2171 | ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); |
2172 | ||
a3304b0a JB |
2173 | sdata->tx_conf[params->ac] = p; |
2174 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2175 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2176 | "failed to set TX queue parameters for AC %d\n", |
2177 | params->ac); | |
31888487 JM |
2178 | return -EINVAL; |
2179 | } | |
2180 | ||
7d25745d JB |
2181 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2182 | ||
31888487 JM |
2183 | return 0; |
2184 | } | |
2185 | ||
665af4fc | 2186 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2187 | static int ieee80211_suspend(struct wiphy *wiphy, |
2188 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2189 | { |
eecc4800 | 2190 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2191 | } |
2192 | ||
2193 | static int ieee80211_resume(struct wiphy *wiphy) | |
2194 | { | |
2195 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2196 | } | |
2197 | #else | |
2198 | #define ieee80211_suspend NULL | |
2199 | #define ieee80211_resume NULL | |
2200 | #endif | |
2201 | ||
2a519311 | 2202 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2203 | struct cfg80211_scan_request *req) |
2204 | { | |
fd014284 JB |
2205 | struct ieee80211_sub_if_data *sdata; |
2206 | ||
2207 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2208 | |
2ca27bcf JB |
2209 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2210 | case NL80211_IFTYPE_STATION: | |
2211 | case NL80211_IFTYPE_ADHOC: | |
2212 | case NL80211_IFTYPE_MESH_POINT: | |
2213 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2214 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2215 | break; |
2216 | case NL80211_IFTYPE_P2P_GO: | |
2217 | if (sdata->local->ops->hw_scan) | |
2218 | break; | |
e9d7732e JB |
2219 | /* |
2220 | * FIXME: implement NoA while scanning in software, | |
2221 | * for now fall through to allow scanning only when | |
2222 | * beaconing hasn't been configured yet | |
2223 | */ | |
02049ce2 | 2224 | /* fall through */ |
2ca27bcf | 2225 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2226 | /* |
2227 | * If the scan has been forced (and the driver supports | |
2228 | * forcing), don't care about being beaconing already. | |
2229 | * This will create problems to the attached stations (e.g. all | |
2230 | * the frames sent while scanning on other channel will be | |
2231 | * lost) | |
2232 | */ | |
2233 | if (sdata->u.ap.beacon && | |
2234 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2235 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2236 | return -EOPNOTSUPP; |
2237 | break; | |
cb3b7d87 | 2238 | case NL80211_IFTYPE_NAN: |
2ca27bcf JB |
2239 | default: |
2240 | return -EOPNOTSUPP; | |
2241 | } | |
2a519311 JB |
2242 | |
2243 | return ieee80211_request_scan(sdata, req); | |
2244 | } | |
2245 | ||
91f123f2 VK |
2246 | static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) |
2247 | { | |
2248 | ieee80211_scan_cancel(wiphy_priv(wiphy)); | |
2249 | } | |
2250 | ||
79f460ca LC |
2251 | static int |
2252 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2253 | struct net_device *dev, | |
2254 | struct cfg80211_sched_scan_request *req) | |
2255 | { | |
2256 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2257 | ||
2258 | if (!sdata->local->ops->sched_scan_start) | |
2259 | return -EOPNOTSUPP; | |
2260 | ||
2261 | return ieee80211_request_sched_scan_start(sdata, req); | |
2262 | } | |
2263 | ||
2264 | static int | |
3a3ecf1d AVS |
2265 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, |
2266 | u64 reqid) | |
79f460ca | 2267 | { |
0d440ea2 | 2268 | struct ieee80211_local *local = wiphy_priv(wiphy); |
79f460ca | 2269 | |
0d440ea2 | 2270 | if (!local->ops->sched_scan_stop) |
79f460ca LC |
2271 | return -EOPNOTSUPP; |
2272 | ||
0d440ea2 | 2273 | return ieee80211_request_sched_scan_stop(local); |
79f460ca LC |
2274 | } |
2275 | ||
636a5d36 JM |
2276 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2277 | struct cfg80211_auth_request *req) | |
2278 | { | |
77fdaa12 | 2279 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2280 | } |
2281 | ||
2282 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2283 | struct cfg80211_assoc_request *req) | |
2284 | { | |
77fdaa12 | 2285 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2286 | } |
2287 | ||
2288 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2289 | struct cfg80211_deauth_request *req) |
636a5d36 | 2290 | { |
63c9c5e7 | 2291 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2292 | } |
2293 | ||
2294 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2295 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2296 | { |
63c9c5e7 | 2297 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2298 | } |
2299 | ||
af8cdcd8 JB |
2300 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2301 | struct cfg80211_ibss_params *params) | |
2302 | { | |
55de908a | 2303 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2304 | } |
2305 | ||
2306 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2307 | { | |
55de908a | 2308 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2309 | } |
2310 | ||
239281f8 RL |
2311 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2312 | struct ocb_setup *setup) | |
2313 | { | |
2314 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2315 | } | |
2316 | ||
2317 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2318 | { | |
2319 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2320 | } | |
2321 | ||
391e53e3 | 2322 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
57fbcce3 | 2323 | int rate[NUM_NL80211_BANDS]) |
391e53e3 AQ |
2324 | { |
2325 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2326 | ||
9887dbf5 | 2327 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
57fbcce3 | 2328 | sizeof(int) * NUM_NL80211_BANDS); |
391e53e3 | 2329 | |
dcbe73ca PKC |
2330 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE); |
2331 | ||
391e53e3 AQ |
2332 | return 0; |
2333 | } | |
2334 | ||
b9a5f8ca JM |
2335 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2336 | { | |
2337 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2338 | int err; |
b9a5f8ca | 2339 | |
f23a4780 | 2340 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2341 | ieee80211_check_fast_xmit_all(local); |
2342 | ||
f23a4780 AN |
2343 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2344 | ||
17c18bf8 JB |
2345 | if (err) { |
2346 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2347 | return err; |
17c18bf8 | 2348 | } |
f23a4780 AN |
2349 | } |
2350 | ||
a4bcaf55 LB |
2351 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2352 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2353 | s16 coverage_class; | |
2354 | ||
2355 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2356 | wiphy->coverage_class : -1; | |
2357 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2358 | |
2359 | if (err) | |
2360 | return err; | |
2361 | } | |
2362 | ||
b9a5f8ca | 2363 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2364 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2365 | |
24487981 JB |
2366 | if (err) |
2367 | return err; | |
b9a5f8ca JM |
2368 | } |
2369 | ||
8bc83c24 JB |
2370 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2371 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2372 | return -EINVAL; | |
b9a5f8ca | 2373 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2374 | } |
2375 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2376 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2377 | return -EINVAL; | |
b9a5f8ca | 2378 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2379 | } |
b9a5f8ca JM |
2380 | if (changed & |
2381 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2382 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2383 | ||
2fe4a29a THJ |
2384 | if (changed & (WIPHY_PARAM_TXQ_LIMIT | |
2385 | WIPHY_PARAM_TXQ_MEMORY_LIMIT | | |
2386 | WIPHY_PARAM_TXQ_QUANTUM)) | |
2387 | ieee80211_txq_set_params(local); | |
2388 | ||
b9a5f8ca JM |
2389 | return 0; |
2390 | } | |
2391 | ||
7643a2c3 | 2392 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2393 | struct wireless_dev *wdev, |
fa61cf70 | 2394 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2395 | { |
2396 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2397 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2398 | enum nl80211_tx_power_setting txp_type = type; |
2399 | bool update_txp_type = false; | |
3a3713ec | 2400 | bool has_monitor = false; |
7643a2c3 | 2401 | |
1ea6f9c0 JB |
2402 | if (wdev) { |
2403 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2404 | ||
3a3713ec PG |
2405 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { |
2406 | sdata = rtnl_dereference(local->monitor_sdata); | |
2407 | if (!sdata) | |
2408 | return -EOPNOTSUPP; | |
2409 | } | |
2410 | ||
1ea6f9c0 JB |
2411 | switch (type) { |
2412 | case NL80211_TX_POWER_AUTOMATIC: | |
2413 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2414 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2415 | break; |
2416 | case NL80211_TX_POWER_LIMITED: | |
2417 | case NL80211_TX_POWER_FIXED: | |
2418 | if (mbm < 0 || (mbm % 100)) | |
2419 | return -EOPNOTSUPP; | |
2420 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2421 | break; | |
2422 | } | |
2423 | ||
db82d8a9 LB |
2424 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2425 | update_txp_type = true; | |
2426 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2427 | } | |
2428 | ||
2429 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2430 | |
2431 | return 0; | |
2432 | } | |
55de908a | 2433 | |
7643a2c3 | 2434 | switch (type) { |
fa61cf70 | 2435 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2436 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2437 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2438 | break; |
fa61cf70 | 2439 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2440 | case NL80211_TX_POWER_FIXED: |
2441 | if (mbm < 0 || (mbm % 100)) | |
2442 | return -EOPNOTSUPP; | |
fa61cf70 | 2443 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2444 | break; |
7643a2c3 JB |
2445 | } |
2446 | ||
1ea6f9c0 | 2447 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2448 | list_for_each_entry(sdata, &local->interfaces, list) { |
3a3713ec PG |
2449 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { |
2450 | has_monitor = true; | |
2451 | continue; | |
2452 | } | |
1ea6f9c0 | 2453 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2454 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2455 | update_txp_type = true; | |
2456 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2457 | } | |
3a3713ec PG |
2458 | list_for_each_entry(sdata, &local->interfaces, list) { |
2459 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR) | |
2460 | continue; | |
db82d8a9 | 2461 | ieee80211_recalc_txpower(sdata, update_txp_type); |
3a3713ec | 2462 | } |
1ea6f9c0 | 2463 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 | 2464 | |
3a3713ec PG |
2465 | if (has_monitor) { |
2466 | sdata = rtnl_dereference(local->monitor_sdata); | |
2467 | if (sdata) { | |
2468 | sdata->user_power_level = local->user_power_level; | |
2469 | if (txp_type != sdata->vif.bss_conf.txpower_type) | |
2470 | update_txp_type = true; | |
2471 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2472 | ||
2473 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
2474 | } | |
2475 | } | |
2476 | ||
7643a2c3 JB |
2477 | return 0; |
2478 | } | |
2479 | ||
c8442118 JB |
2480 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2481 | struct wireless_dev *wdev, | |
2482 | int *dbm) | |
7643a2c3 JB |
2483 | { |
2484 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2485 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2486 | |
5b3dc42b FF |
2487 | if (local->ops->get_txpower) |
2488 | return drv_get_txpower(local, sdata, dbm); | |
2489 | ||
1ea6f9c0 JB |
2490 | if (!local->use_chanctx) |
2491 | *dbm = local->hw.conf.power_level; | |
2492 | else | |
2493 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2494 | |
7643a2c3 JB |
2495 | return 0; |
2496 | } | |
2497 | ||
ab737a4f | 2498 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2499 | const u8 *addr) |
ab737a4f JB |
2500 | { |
2501 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2502 | ||
2503 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2504 | ||
2505 | return 0; | |
2506 | } | |
2507 | ||
1f87f7d3 JB |
2508 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2509 | { | |
2510 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2511 | ||
2512 | drv_rfkill_poll(local); | |
2513 | } | |
2514 | ||
aff89a9b | 2515 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2516 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2517 | struct wireless_dev *wdev, | |
2518 | void *data, int len) | |
aff89a9b JB |
2519 | { |
2520 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2521 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2522 | |
2523 | if (!local->ops->testmode_cmd) | |
2524 | return -EOPNOTSUPP; | |
2525 | ||
52981cd7 DS |
2526 | if (wdev) { |
2527 | struct ieee80211_sub_if_data *sdata; | |
2528 | ||
2529 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2530 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2531 | vif = &sdata->vif; | |
2532 | } | |
2533 | ||
2534 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2535 | } |
71063f0e WYG |
2536 | |
2537 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2538 | struct sk_buff *skb, | |
2539 | struct netlink_callback *cb, | |
2540 | void *data, int len) | |
2541 | { | |
2542 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2543 | ||
2544 | if (!local->ops->testmode_dump) | |
2545 | return -EOPNOTSUPP; | |
2546 | ||
2547 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2548 | } | |
aff89a9b JB |
2549 | #endif |
2550 | ||
687da132 EG |
2551 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2552 | enum ieee80211_smps_mode smps_mode) | |
2553 | { | |
2554 | struct sta_info *sta; | |
2555 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2556 | |
2557 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2558 | return -EINVAL; | |
2559 | ||
2560 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2561 | return 0; | |
2562 | ||
2563 | old_req = sdata->u.ap.req_smps; | |
2564 | sdata->u.ap.req_smps = smps_mode; | |
2565 | ||
2566 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2567 | if (old_req == smps_mode || | |
2568 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2569 | return 0; | |
2570 | ||
687da132 | 2571 | ht_dbg(sdata, |
6a8b4adb | 2572 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2573 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2574 | ||
2575 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2576 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2577 | /* | |
2578 | * Only stations associated to our AP and | |
2579 | * associated VLANs | |
2580 | */ | |
2581 | if (sta->sdata->bss != &sdata->u.ap) | |
2582 | continue; | |
687da132 | 2583 | |
7d9bb2f0 JB |
2584 | /* This station doesn't support MIMO - skip it */ |
2585 | if (sta_info_tx_streams(sta) == 1) | |
2586 | continue; | |
687da132 | 2587 | |
7d9bb2f0 JB |
2588 | /* |
2589 | * Don't wake up a STA just to send the action frame | |
2590 | * unless we are getting more restrictive. | |
2591 | */ | |
2592 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2593 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2594 | smps_mode)) { | |
2595 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2596 | sta->sta.addr); | |
2597 | continue; | |
2598 | } | |
687da132 | 2599 | |
7d9bb2f0 JB |
2600 | /* |
2601 | * If the STA is not authorized, wait until it gets | |
2602 | * authorized and the action frame will be sent then. | |
2603 | */ | |
2604 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2605 | continue; | |
687da132 | 2606 | |
7d9bb2f0 JB |
2607 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2608 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2609 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2610 | } |
2611 | mutex_unlock(&sdata->local->sta_mtx); | |
2612 | ||
2613 | sdata->smps_mode = smps_mode; | |
2614 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2615 | ||
2616 | return 0; | |
2617 | } | |
2618 | ||
2619 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2620 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2621 | { |
2622 | const u8 *ap; | |
2623 | enum ieee80211_smps_mode old_req; | |
2624 | int err; | |
d51c2ea3 AN |
2625 | struct sta_info *sta; |
2626 | bool tdls_peer_found = false; | |
0f78231b | 2627 | |
8d61ffa5 | 2628 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2629 | |
687da132 EG |
2630 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2631 | return -EINVAL; | |
2632 | ||
0f78231b JB |
2633 | old_req = sdata->u.mgd.req_smps; |
2634 | sdata->u.mgd.req_smps = smps_mode; | |
2635 | ||
2636 | if (old_req == smps_mode && | |
2637 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2638 | return 0; | |
2639 | ||
2640 | /* | |
2641 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2642 | * association, there's no need to do anything, just store |
2643 | * the new value until we associate. | |
0f78231b JB |
2644 | */ |
2645 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2646 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2647 | return 0; |
0f78231b | 2648 | |
0c1ad2ca | 2649 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2650 | |
d51c2ea3 AN |
2651 | rcu_read_lock(); |
2652 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2653 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2654 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2655 | continue; | |
2656 | ||
2657 | tdls_peer_found = true; | |
2658 | break; | |
2659 | } | |
2660 | rcu_read_unlock(); | |
2661 | ||
0f78231b | 2662 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2663 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2664 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2665 | else |
2666 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2667 | } |
2668 | ||
2669 | /* send SM PS frame to AP */ | |
2670 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2671 | ap, ap); | |
2672 | if (err) | |
2673 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2674 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2675 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2676 | |
2677 | return err; | |
2678 | } | |
2679 | ||
bc92afd9 JB |
2680 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2681 | bool enabled, int timeout) | |
2682 | { | |
2683 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2684 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2685 | |
2d3db210 | 2686 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2687 | return -EOPNOTSUPP; |
2688 | ||
30686bf7 | 2689 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2690 | return -EOPNOTSUPP; |
2691 | ||
2692 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2693 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2694 | return 0; |
2695 | ||
2696 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2697 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2698 | |
0f78231b | 2699 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2700 | sdata_lock(sdata); |
687da132 | 2701 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2702 | sdata_unlock(sdata); |
0f78231b | 2703 | |
30686bf7 | 2704 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2705 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2706 | ||
4a733ef1 | 2707 | ieee80211_recalc_ps(local); |
ab095877 | 2708 | ieee80211_recalc_ps_vif(sdata); |
1d870162 | 2709 | ieee80211_check_fast_rx_iface(sdata); |
bc92afd9 JB |
2710 | |
2711 | return 0; | |
2712 | } | |
2713 | ||
a97c13c3 JO |
2714 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2715 | struct net_device *dev, | |
2716 | s32 rssi_thold, u32 rssi_hyst) | |
2717 | { | |
2718 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2719 | struct ieee80211_vif *vif = &sdata->vif; |
2720 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2721 | ||
a97c13c3 JO |
2722 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2723 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2724 | return 0; | |
2725 | ||
ef9be10c JB |
2726 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && |
2727 | !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) | |
2728 | return -EOPNOTSUPP; | |
2729 | ||
a97c13c3 JO |
2730 | bss_conf->cqm_rssi_thold = rssi_thold; |
2731 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2c3c5f8c AZ |
2732 | bss_conf->cqm_rssi_low = 0; |
2733 | bss_conf->cqm_rssi_high = 0; | |
2734 | sdata->u.mgd.last_cqm_event_signal = 0; | |
2735 | ||
2736 | /* tell the driver upon association, unless already associated */ | |
2737 | if (sdata->u.mgd.associated && | |
2738 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
2739 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
2740 | ||
2741 | return 0; | |
2742 | } | |
2743 | ||
2744 | static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, | |
2745 | struct net_device *dev, | |
2746 | s32 rssi_low, s32 rssi_high) | |
2747 | { | |
2748 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2749 | struct ieee80211_vif *vif = &sdata->vif; | |
2750 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2751 | ||
2752 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) | |
2753 | return -EOPNOTSUPP; | |
2754 | ||
2755 | bss_conf->cqm_rssi_low = rssi_low; | |
2756 | bss_conf->cqm_rssi_high = rssi_high; | |
2757 | bss_conf->cqm_rssi_thold = 0; | |
2758 | bss_conf->cqm_rssi_hyst = 0; | |
babc305e | 2759 | sdata->u.mgd.last_cqm_event_signal = 0; |
a97c13c3 JO |
2760 | |
2761 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2762 | if (sdata->u.mgd.associated && |
2763 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2764 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2765 | ||
2766 | return 0; | |
2767 | } | |
2768 | ||
9930380f JB |
2769 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2770 | struct net_device *dev, | |
2771 | const u8 *addr, | |
2772 | const struct cfg80211_bitrate_mask *mask) | |
2773 | { | |
2774 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2775 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2776 | int i, ret; |
2c7e6bc9 | 2777 | |
554a43d5 EP |
2778 | if (!ieee80211_sdata_running(sdata)) |
2779 | return -ENETDOWN; | |
2780 | ||
e8e4f528 JB |
2781 | /* |
2782 | * If active validate the setting and reject it if it doesn't leave | |
2783 | * at least one basic rate usable, since we really have to be able | |
2784 | * to send something, and if we're an AP we have to be able to do | |
2785 | * so at a basic rate so that all clients can receive it. | |
2786 | */ | |
2787 | if (rcu_access_pointer(sdata->vif.chanctx_conf) && | |
2788 | sdata->vif.bss_conf.chandef.chan) { | |
2789 | u32 basic_rates = sdata->vif.bss_conf.basic_rates; | |
2790 | enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; | |
2791 | ||
2792 | if (!(mask->control[band].legacy & basic_rates)) | |
2793 | return -EINVAL; | |
2794 | } | |
2795 | ||
e5f5ce37 JB |
2796 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
2797 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2798 | if (ret) | |
2799 | return ret; | |
2800 | } | |
2801 | ||
57fbcce3 | 2802 | for (i = 0; i < NUM_NL80211_BANDS; i++) { |
2ffbe6d3 FF |
2803 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2804 | int j; | |
2805 | ||
37eb0b16 | 2806 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2807 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2808 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2809 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2810 | mask->control[i].vht_mcs, | |
2811 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2812 | |
2813 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2814 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2815 | if (!sband) |
2816 | continue; | |
2817 | ||
b119ad6e | 2818 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2df1b131 | 2819 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
2ffbe6d3 | 2820 | sdata->rc_has_mcs_mask[i] = true; |
2df1b131 JB |
2821 | break; |
2822 | } | |
2823 | } | |
b119ad6e | 2824 | |
2df1b131 JB |
2825 | for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { |
2826 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { | |
b119ad6e | 2827 | sdata->rc_has_vht_mcs_mask[i] = true; |
2ffbe6d3 | 2828 | break; |
2df1b131 | 2829 | } |
b119ad6e | 2830 | } |
19468413 | 2831 | } |
9930380f | 2832 | |
37eb0b16 | 2833 | return 0; |
9930380f JB |
2834 | } |
2835 | ||
164eb02d SW |
2836 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2837 | struct net_device *dev, | |
31559f35 JD |
2838 | struct cfg80211_chan_def *chandef, |
2839 | u32 cac_time_ms) | |
164eb02d SW |
2840 | { |
2841 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2842 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2843 | int err; |
2844 | ||
34a3740d JB |
2845 | mutex_lock(&local->mtx); |
2846 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2847 | err = -EBUSY; | |
2848 | goto out_unlock; | |
2849 | } | |
164eb02d SW |
2850 | |
2851 | /* whatever, but channel contexts should not complain about that one */ | |
2852 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2853 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2854 | |
164eb02d SW |
2855 | err = ieee80211_vif_use_channel(sdata, chandef, |
2856 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2857 | if (err) |
34a3740d | 2858 | goto out_unlock; |
164eb02d | 2859 | |
164eb02d | 2860 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2861 | &sdata->dfs_cac_timer_work, |
2862 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2863 | |
34a3740d JB |
2864 | out_unlock: |
2865 | mutex_unlock(&local->mtx); | |
2866 | return err; | |
164eb02d SW |
2867 | } |
2868 | ||
73da7d5b SW |
2869 | static struct cfg80211_beacon_data * |
2870 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2871 | { | |
2872 | struct cfg80211_beacon_data *new_beacon; | |
2873 | u8 *pos; | |
2874 | int len; | |
2875 | ||
2876 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2877 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2878 | beacon->probe_resp_len; | |
2879 | ||
2880 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2881 | if (!new_beacon) | |
2882 | return NULL; | |
2883 | ||
2884 | pos = (u8 *)(new_beacon + 1); | |
2885 | if (beacon->head_len) { | |
2886 | new_beacon->head_len = beacon->head_len; | |
2887 | new_beacon->head = pos; | |
2888 | memcpy(pos, beacon->head, beacon->head_len); | |
2889 | pos += beacon->head_len; | |
2890 | } | |
2891 | if (beacon->tail_len) { | |
2892 | new_beacon->tail_len = beacon->tail_len; | |
2893 | new_beacon->tail = pos; | |
2894 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2895 | pos += beacon->tail_len; | |
2896 | } | |
2897 | if (beacon->beacon_ies_len) { | |
2898 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2899 | new_beacon->beacon_ies = pos; | |
2900 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2901 | pos += beacon->beacon_ies_len; | |
2902 | } | |
2903 | if (beacon->proberesp_ies_len) { | |
2904 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2905 | new_beacon->proberesp_ies = pos; | |
2906 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2907 | pos += beacon->proberesp_ies_len; | |
2908 | } | |
2909 | if (beacon->assocresp_ies_len) { | |
2910 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2911 | new_beacon->assocresp_ies = pos; | |
2912 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2913 | pos += beacon->assocresp_ies_len; | |
2914 | } | |
2915 | if (beacon->probe_resp_len) { | |
2916 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
bee92d06 | 2917 | new_beacon->probe_resp = pos; |
73da7d5b SW |
2918 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); |
2919 | pos += beacon->probe_resp_len; | |
2920 | } | |
2921 | ||
2922 | return new_beacon; | |
2923 | } | |
2924 | ||
66e01cf9 | 2925 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2926 | { |
66e01cf9 | 2927 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2928 | |
66e01cf9 LC |
2929 | ieee80211_queue_work(&sdata->local->hw, |
2930 | &sdata->csa_finalize_work); | |
2931 | } | |
2932 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2933 | |
66199506 MK |
2934 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2935 | u32 *changed) | |
66e01cf9 | 2936 | { |
66199506 | 2937 | int err; |
7578d575 | 2938 | |
cd7760e6 SW |
2939 | switch (sdata->vif.type) { |
2940 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2941 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2942 | NULL); | |
97518af1 MK |
2943 | kfree(sdata->u.ap.next_beacon); |
2944 | sdata->u.ap.next_beacon = NULL; | |
2945 | ||
cd7760e6 | 2946 | if (err < 0) |
66199506 MK |
2947 | return err; |
2948 | *changed |= err; | |
cd7760e6 SW |
2949 | break; |
2950 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2951 | err = ieee80211_ibss_finish_csa(sdata); |
2952 | if (err < 0) | |
66199506 MK |
2953 | return err; |
2954 | *changed |= err; | |
cd7760e6 | 2955 | break; |
b8456a14 CYY |
2956 | #ifdef CONFIG_MAC80211_MESH |
2957 | case NL80211_IFTYPE_MESH_POINT: | |
2958 | err = ieee80211_mesh_finish_csa(sdata); | |
2959 | if (err < 0) | |
66199506 MK |
2960 | return err; |
2961 | *changed |= err; | |
b8456a14 CYY |
2962 | break; |
2963 | #endif | |
cd7760e6 SW |
2964 | default: |
2965 | WARN_ON(1); | |
66199506 MK |
2966 | return -EINVAL; |
2967 | } | |
2968 | ||
2969 | return 0; | |
2970 | } | |
2971 | ||
cf8767dd | 2972 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2973 | { |
2974 | struct ieee80211_local *local = sdata->local; | |
2975 | u32 changed = 0; | |
2976 | int err; | |
2977 | ||
2978 | sdata_assert_lock(sdata); | |
2979 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2980 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2981 | |
03078de4 MK |
2982 | /* |
2983 | * using reservation isn't immediate as it may be deferred until later | |
2984 | * with multi-vif. once reservation is complete it will re-schedule the | |
2985 | * work with no reserved_chanctx so verify chandef to check if it | |
2986 | * completed successfully | |
2987 | */ | |
66199506 | 2988 | |
03078de4 MK |
2989 | if (sdata->reserved_chanctx) { |
2990 | /* | |
2991 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2992 | * many times while waiting for other interfaces to use their | |
2993 | * reservations | |
2994 | */ | |
2995 | if (sdata->reserved_ready) | |
2996 | return 0; | |
2997 | ||
408b18ab | 2998 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2999 | } |
73da7d5b | 3000 | |
03078de4 MK |
3001 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
3002 | &sdata->csa_chandef)) | |
3003 | return -EINVAL; | |
3004 | ||
66199506 MK |
3005 | sdata->vif.csa_active = false; |
3006 | ||
3007 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
3008 | if (err) | |
cf8767dd | 3009 | return err; |
faf046e7 | 3010 | |
66199506 | 3011 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 3012 | |
a46992b4 LC |
3013 | if (sdata->csa_block_tx) { |
3014 | ieee80211_wake_vif_queues(local, sdata, | |
3015 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3016 | sdata->csa_block_tx = false; | |
3017 | } | |
cf8767dd | 3018 | |
f1d65583 LC |
3019 | err = drv_post_channel_switch(sdata); |
3020 | if (err) | |
3021 | return err; | |
3022 | ||
3023 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
3024 | ||
cf8767dd MK |
3025 | return 0; |
3026 | } | |
3027 | ||
3028 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
3029 | { | |
3030 | if (__ieee80211_csa_finalize(sdata)) { | |
3031 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
3032 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
3033 | GFP_KERNEL); | |
3034 | } | |
66e01cf9 LC |
3035 | } |
3036 | ||
3037 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
3038 | { | |
3039 | struct ieee80211_sub_if_data *sdata = | |
3040 | container_of(work, struct ieee80211_sub_if_data, | |
3041 | csa_finalize_work); | |
59af6928 | 3042 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
3043 | |
3044 | sdata_lock(sdata); | |
59af6928 | 3045 | mutex_lock(&local->mtx); |
03078de4 | 3046 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 3047 | |
66e01cf9 LC |
3048 | /* AP might have been stopped while waiting for the lock. */ |
3049 | if (!sdata->vif.csa_active) | |
3050 | goto unlock; | |
3051 | ||
3052 | if (!ieee80211_sdata_running(sdata)) | |
3053 | goto unlock; | |
3054 | ||
3055 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3056 | |
3057 | unlock: | |
03078de4 | 3058 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 3059 | mutex_unlock(&local->mtx); |
e487eaeb | 3060 | sdata_unlock(sdata); |
73da7d5b SW |
3061 | } |
3062 | ||
37fa2bdd MK |
3063 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3064 | struct cfg80211_csa_settings *params, | |
3065 | u32 *changed) | |
73da7d5b | 3066 | { |
af296bdb | 3067 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 3068 | int err; |
73da7d5b | 3069 | |
73da7d5b SW |
3070 | switch (sdata->vif.type) { |
3071 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3072 | sdata->u.ap.next_beacon = |
3073 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3074 | if (!sdata->u.ap.next_beacon) | |
3075 | return -ENOMEM; | |
3076 | ||
66e01cf9 LC |
3077 | /* |
3078 | * With a count of 0, we don't have to wait for any | |
3079 | * TBTT before switching, so complete the CSA | |
3080 | * immediately. In theory, with a count == 1 we | |
3081 | * should delay the switch until just before the next | |
3082 | * TBTT, but that would complicate things so we switch | |
3083 | * immediately too. If we would delay the switch | |
3084 | * until the next TBTT, we would have to set the probe | |
3085 | * response here. | |
3086 | * | |
3087 | * TODO: A channel switch with count <= 1 without | |
3088 | * sending a CSA action frame is kind of useless, | |
3089 | * because the clients won't know we're changing | |
3090 | * channels. The action frame must be implemented | |
3091 | * either here or in the userspace. | |
3092 | */ | |
3093 | if (params->count <= 1) | |
3094 | break; | |
3095 | ||
0d06d9ba AO |
3096 | if ((params->n_counter_offsets_beacon > |
3097 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3098 | (params->n_counter_offsets_presp > | |
3099 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3100 | return -EINVAL; | |
9a774c78 | 3101 | |
af296bdb MK |
3102 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
3103 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
3104 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
3105 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
3106 | csa.count = params->count; | |
9a774c78 | 3107 | |
af296bdb | 3108 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
3109 | if (err < 0) { |
3110 | kfree(sdata->u.ap.next_beacon); | |
3111 | return err; | |
3112 | } | |
37fa2bdd | 3113 | *changed |= err; |
66e01cf9 | 3114 | |
cd7760e6 SW |
3115 | break; |
3116 | case NL80211_IFTYPE_ADHOC: | |
3117 | if (!sdata->vif.bss_conf.ibss_joined) | |
3118 | return -EINVAL; | |
3119 | ||
3120 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3121 | return -EINVAL; | |
3122 | ||
3123 | switch (params->chandef.width) { | |
3124 | case NL80211_CHAN_WIDTH_40: | |
3125 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3126 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3127 | return -EINVAL; | |
3128 | case NL80211_CHAN_WIDTH_5: | |
3129 | case NL80211_CHAN_WIDTH_10: | |
3130 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3131 | case NL80211_CHAN_WIDTH_20: | |
3132 | break; | |
3133 | default: | |
3134 | return -EINVAL; | |
3135 | } | |
3136 | ||
3137 | /* changes into another band are not supported */ | |
3138 | if (sdata->u.ibss.chandef.chan->band != | |
3139 | params->chandef.chan->band) | |
3140 | return -EINVAL; | |
3141 | ||
66e01cf9 LC |
3142 | /* see comments in the NL80211_IFTYPE_AP block */ |
3143 | if (params->count > 1) { | |
3144 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3145 | if (err < 0) | |
3146 | return err; | |
37fa2bdd | 3147 | *changed |= err; |
66e01cf9 LC |
3148 | } |
3149 | ||
3150 | ieee80211_send_action_csa(sdata, params); | |
3151 | ||
73da7d5b | 3152 | break; |
c6da674a | 3153 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3154 | case NL80211_IFTYPE_MESH_POINT: { |
3155 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3156 | |
c6da674a CYY |
3157 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3158 | return -EINVAL; | |
3159 | ||
3160 | /* changes into another band are not supported */ | |
3161 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3162 | params->chandef.chan->band) | |
3163 | return -EINVAL; | |
3164 | ||
c782bf8c | 3165 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3166 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3167 | if (!ifmsh->pre_value) |
3168 | ifmsh->pre_value = 1; | |
3169 | else | |
3170 | ifmsh->pre_value++; | |
3171 | } | |
0cb4d4dc | 3172 | |
66e01cf9 LC |
3173 | /* see comments in the NL80211_IFTYPE_AP block */ |
3174 | if (params->count > 1) { | |
3175 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3176 | if (err < 0) { | |
3177 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3178 | return err; | |
3179 | } | |
37fa2bdd | 3180 | *changed |= err; |
3f718fd8 | 3181 | } |
66e01cf9 LC |
3182 | |
3183 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3184 | ieee80211_send_action_csa(sdata, params); | |
3185 | ||
c6da674a | 3186 | break; |
37fa2bdd | 3187 | } |
c6da674a | 3188 | #endif |
73da7d5b SW |
3189 | default: |
3190 | return -EOPNOTSUPP; | |
3191 | } | |
3192 | ||
37fa2bdd MK |
3193 | return 0; |
3194 | } | |
3195 | ||
f29f58a9 LC |
3196 | static int |
3197 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3198 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3199 | { |
3200 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3201 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 3202 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 3203 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 3204 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
3205 | u32 changed = 0; |
3206 | int err; | |
37fa2bdd MK |
3207 | |
3208 | sdata_assert_lock(sdata); | |
59af6928 | 3209 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3210 | |
3211 | if (!list_empty(&local->roc_list) || local->scanning) | |
3212 | return -EBUSY; | |
3213 | ||
3214 | if (sdata->wdev.cac_started) | |
3215 | return -EBUSY; | |
3216 | ||
3217 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3218 | &sdata->vif.bss_conf.chandef)) | |
3219 | return -EINVAL; | |
3220 | ||
03078de4 MK |
3221 | /* don't allow another channel switch if one is already active. */ |
3222 | if (sdata->vif.csa_active) | |
3223 | return -EBUSY; | |
3224 | ||
2b32713d MK |
3225 | mutex_lock(&local->chanctx_mtx); |
3226 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3227 | lockdep_is_held(&local->chanctx_mtx)); | |
3228 | if (!conf) { | |
03078de4 MK |
3229 | err = -EBUSY; |
3230 | goto out; | |
37fa2bdd MK |
3231 | } |
3232 | ||
2b32713d | 3233 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
37fa2bdd | 3234 | |
000baa5d LC |
3235 | ch_switch.timestamp = 0; |
3236 | ch_switch.device_timestamp = 0; | |
3237 | ch_switch.block_tx = params->block_tx; | |
3238 | ch_switch.chandef = params->chandef; | |
3239 | ch_switch.count = params->count; | |
3240 | ||
6d027bcc LC |
3241 | err = drv_pre_channel_switch(sdata, &ch_switch); |
3242 | if (err) | |
3243 | goto out; | |
3244 | ||
03078de4 MK |
3245 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
3246 | chanctx->mode, | |
3247 | params->radar_required); | |
3248 | if (err) | |
3249 | goto out; | |
37fa2bdd | 3250 | |
03078de4 MK |
3251 | /* if reservation is invalid then this will fail */ |
3252 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
3253 | if (err) { | |
3254 | ieee80211_vif_unreserve_chanctx(sdata); | |
3255 | goto out; | |
3256 | } | |
37fa2bdd MK |
3257 | |
3258 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
3259 | if (err) { |
3260 | ieee80211_vif_unreserve_chanctx(sdata); | |
3261 | goto out; | |
3262 | } | |
37fa2bdd | 3263 | |
33787fc4 | 3264 | sdata->csa_chandef = params->chandef; |
59af6928 | 3265 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3266 | sdata->vif.csa_active = true; |
3267 | ||
59af6928 | 3268 | if (sdata->csa_block_tx) |
a46992b4 LC |
3269 | ieee80211_stop_vif_queues(local, sdata, |
3270 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3271 | |
2f457293 LC |
3272 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
3273 | params->count); | |
3274 | ||
66e01cf9 LC |
3275 | if (changed) { |
3276 | ieee80211_bss_info_change_notify(sdata, changed); | |
3277 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3278 | } else { | |
3279 | /* if the beacon didn't change, we can finalize immediately */ | |
3280 | ieee80211_csa_finalize(sdata); | |
3281 | } | |
73da7d5b | 3282 | |
03078de4 MK |
3283 | out: |
3284 | mutex_unlock(&local->chanctx_mtx); | |
3285 | return err; | |
73da7d5b SW |
3286 | } |
3287 | ||
59af6928 MK |
3288 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3289 | struct cfg80211_csa_settings *params) | |
3290 | { | |
3291 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3292 | struct ieee80211_local *local = sdata->local; | |
3293 | int err; | |
3294 | ||
3295 | mutex_lock(&local->mtx); | |
3296 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3297 | mutex_unlock(&local->mtx); | |
3298 | ||
3299 | return err; | |
3300 | } | |
3301 | ||
a2fcfccb JB |
3302 | u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
3303 | { | |
3304 | lockdep_assert_held(&local->mtx); | |
3305 | ||
3306 | local->roc_cookie_counter++; | |
3307 | ||
3308 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
3309 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
3310 | local->roc_cookie_counter++; | |
3311 | ||
3312 | return local->roc_cookie_counter; | |
3313 | } | |
3314 | ||
5ee00dbd JB |
3315 | int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, |
3316 | u64 *cookie, gfp_t gfp) | |
3b79af97 JB |
3317 | { |
3318 | unsigned long spin_flags; | |
3319 | struct sk_buff *ack_skb; | |
3320 | int id; | |
3321 | ||
3322 | ack_skb = skb_copy(skb, gfp); | |
3323 | if (!ack_skb) | |
5ee00dbd | 3324 | return -ENOMEM; |
3b79af97 JB |
3325 | |
3326 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3327 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3328 | 1, 0x10000, GFP_ATOMIC); | |
3329 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3330 | ||
3331 | if (id < 0) { | |
3332 | kfree_skb(ack_skb); | |
5ee00dbd | 3333 | return -ENOMEM; |
3b79af97 JB |
3334 | } |
3335 | ||
3336 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3337 | ||
3338 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3339 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3340 | ||
5ee00dbd | 3341 | return 0; |
3b79af97 JB |
3342 | } |
3343 | ||
7be5086d | 3344 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3345 | struct wireless_dev *wdev, |
7be5086d JB |
3346 | u16 frame_type, bool reg) |
3347 | { | |
3348 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1b09b556 | 3349 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 3350 | |
6abe0563 | 3351 | switch (frame_type) { |
6abe0563 | 3352 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
1b09b556 | 3353 | if (reg) { |
6abe0563 | 3354 | local->probe_req_reg++; |
1b09b556 AO |
3355 | sdata->vif.probe_req_reg++; |
3356 | } else { | |
3357 | if (local->probe_req_reg) | |
3358 | local->probe_req_reg--; | |
3359 | ||
3360 | if (sdata->vif.probe_req_reg) | |
3361 | sdata->vif.probe_req_reg--; | |
3362 | } | |
7be5086d | 3363 | |
35f5149e FF |
3364 | if (!local->open_count) |
3365 | break; | |
3366 | ||
1b09b556 AO |
3367 | if (sdata->vif.probe_req_reg == 1) |
3368 | drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, | |
3369 | FIF_PROBE_REQ); | |
3370 | else if (sdata->vif.probe_req_reg == 0) | |
3371 | drv_config_iface_filter(local, sdata, 0, | |
3372 | FIF_PROBE_REQ); | |
3373 | ||
3374 | ieee80211_configure_filter(local); | |
6abe0563 WH |
3375 | break; |
3376 | default: | |
3377 | break; | |
3378 | } | |
7be5086d JB |
3379 | } |
3380 | ||
15d96753 BR |
3381 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3382 | { | |
3383 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3384 | ||
3385 | if (local->started) | |
3386 | return -EOPNOTSUPP; | |
3387 | ||
3388 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3389 | } | |
3390 | ||
3391 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3392 | { | |
3393 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3394 | ||
3395 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3396 | } | |
3397 | ||
c68f4b89 JB |
3398 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3399 | struct net_device *dev, | |
3400 | struct cfg80211_gtk_rekey_data *data) | |
3401 | { | |
3402 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3403 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3404 | ||
3405 | if (!local->ops->set_rekey_data) | |
3406 | return -EOPNOTSUPP; | |
3407 | ||
3408 | drv_set_rekey_data(local, sdata, data); | |
3409 | ||
3410 | return 0; | |
3411 | } | |
3412 | ||
06500736 JB |
3413 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3414 | const u8 *peer, u64 *cookie) | |
3415 | { | |
3416 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3417 | struct ieee80211_local *local = sdata->local; | |
3418 | struct ieee80211_qos_hdr *nullfunc; | |
5ee00dbd | 3419 | struct sk_buff *skb; |
06500736 JB |
3420 | int size = sizeof(*nullfunc); |
3421 | __le16 fc; | |
3422 | bool qos; | |
3423 | struct ieee80211_tx_info *info; | |
3424 | struct sta_info *sta; | |
55de908a | 3425 | struct ieee80211_chanctx_conf *chanctx_conf; |
57fbcce3 | 3426 | enum nl80211_band band; |
3b79af97 JB |
3427 | int ret; |
3428 | ||
3429 | /* the lock is needed to assign the cookie later */ | |
3430 | mutex_lock(&local->mtx); | |
06500736 JB |
3431 | |
3432 | rcu_read_lock(); | |
55de908a JB |
3433 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3434 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3435 | ret = -EINVAL; |
3436 | goto unlock; | |
55de908a | 3437 | } |
4bf88530 | 3438 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3439 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3440 | if (sta) { |
a74a8c84 | 3441 | qos = sta->sta.wme; |
b4487c2d | 3442 | } else { |
3b79af97 JB |
3443 | ret = -ENOLINK; |
3444 | goto unlock; | |
b4487c2d | 3445 | } |
06500736 JB |
3446 | |
3447 | if (qos) { | |
3448 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3449 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3450 | IEEE80211_FCTL_FROMDS); | |
3451 | } else { | |
3452 | size -= 2; | |
3453 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3454 | IEEE80211_STYPE_NULLFUNC | | |
3455 | IEEE80211_FCTL_FROMDS); | |
3456 | } | |
3457 | ||
3458 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3459 | if (!skb) { |
3b79af97 JB |
3460 | ret = -ENOMEM; |
3461 | goto unlock; | |
55de908a | 3462 | } |
06500736 JB |
3463 | |
3464 | skb->dev = dev; | |
3465 | ||
3466 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3467 | ||
4df864c1 | 3468 | nullfunc = skb_put(skb, size); |
06500736 JB |
3469 | nullfunc->frame_control = fc; |
3470 | nullfunc->duration_id = 0; | |
3471 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3472 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3473 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3474 | nullfunc->seq_ctrl = 0; | |
3475 | ||
3476 | info = IEEE80211_SKB_CB(skb); | |
3477 | ||
3478 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3479 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3480 | info->band = band; |
06500736 JB |
3481 | |
3482 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3483 | skb->priority = 7; | |
3484 | if (qos) | |
3485 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3486 | ||
5ee00dbd JB |
3487 | ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3488 | if (ret) { | |
3b79af97 | 3489 | kfree_skb(skb); |
3b79af97 JB |
3490 | goto unlock; |
3491 | } | |
3492 | ||
06500736 | 3493 | local_bh_disable(); |
b9771d41 | 3494 | ieee80211_xmit(sdata, sta, skb, 0); |
06500736 | 3495 | local_bh_enable(); |
3b79af97 JB |
3496 | |
3497 | ret = 0; | |
3498 | unlock: | |
55de908a | 3499 | rcu_read_unlock(); |
3b79af97 | 3500 | mutex_unlock(&local->mtx); |
06500736 | 3501 | |
3b79af97 | 3502 | return ret; |
06500736 JB |
3503 | } |
3504 | ||
683b6d3b JB |
3505 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3506 | struct wireless_dev *wdev, | |
3507 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3508 | { |
55de908a | 3509 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3510 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3511 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3512 | int ret = -ENODATA; |
55de908a JB |
3513 | |
3514 | rcu_read_lock(); | |
feda3027 JB |
3515 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3516 | if (chanctx_conf) { | |
c12bc488 | 3517 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3518 | ret = 0; |
3519 | } else if (local->open_count > 0 && | |
3520 | local->open_count == local->monitors && | |
3521 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3522 | if (local->use_chanctx) | |
3523 | *chandef = local->monitor_chandef; | |
3524 | else | |
675a0b04 | 3525 | *chandef = local->_oper_chandef; |
683b6d3b | 3526 | ret = 0; |
55de908a JB |
3527 | } |
3528 | rcu_read_unlock(); | |
5b7ccaf3 | 3529 | |
683b6d3b | 3530 | return ret; |
5b7ccaf3 JB |
3531 | } |
3532 | ||
6d52563f JB |
3533 | #ifdef CONFIG_PM |
3534 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3535 | { | |
3536 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3537 | } | |
3538 | #endif | |
3539 | ||
32db6b54 KP |
3540 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3541 | struct net_device *dev, | |
3542 | struct cfg80211_qos_map *qos_map) | |
3543 | { | |
3544 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3545 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3546 | ||
3547 | if (qos_map) { | |
3548 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3549 | if (!new_qos_map) | |
3550 | return -ENOMEM; | |
3551 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3552 | } else { | |
3553 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3554 | new_qos_map = NULL; | |
3555 | } | |
3556 | ||
194ff52d | 3557 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3558 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3559 | if (old_qos_map) | |
3560 | kfree_rcu(old_qos_map, rcu_head); | |
3561 | ||
3562 | return 0; | |
3563 | } | |
3564 | ||
3b1700bd JM |
3565 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3566 | struct net_device *dev, | |
3567 | struct cfg80211_chan_def *chandef) | |
3568 | { | |
3569 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3570 | int ret; | |
3571 | u32 changed = 0; | |
3572 | ||
3573 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3574 | if (ret == 0) | |
3575 | ieee80211_bss_info_change_notify(sdata, changed); | |
3576 | ||
3577 | return ret; | |
3578 | } | |
3579 | ||
02219b3a JB |
3580 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3581 | u8 tsid, const u8 *peer, u8 up, | |
3582 | u16 admitted_time) | |
3583 | { | |
3584 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3585 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3586 | int ac = ieee802_1d_to_ac[up]; | |
3587 | ||
3588 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3589 | return -EOPNOTSUPP; | |
3590 | ||
3591 | if (!(sdata->wmm_acm & BIT(up))) | |
3592 | return -EINVAL; | |
3593 | ||
3594 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3595 | return -EBUSY; | |
3596 | ||
3597 | if (admitted_time) { | |
3598 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3599 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3600 | ifmgd->tx_tspec[ac].up = up; | |
3601 | } | |
3602 | ||
3603 | return 0; | |
3604 | } | |
3605 | ||
3606 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3607 | u8 tsid, const u8 *peer) | |
3608 | { | |
3609 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3610 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3611 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3612 | int ac; | |
3613 | ||
3614 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3615 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3616 | ||
3617 | /* skip unused entries */ | |
3618 | if (!tx_tspec->admitted_time) | |
3619 | continue; | |
3620 | ||
3621 | if (tx_tspec->tsid != tsid) | |
3622 | continue; | |
3623 | ||
3624 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3625 | tx_tspec->up = -1; | |
3626 | ||
3627 | /* Make sure that all packets have been sent to avoid to | |
3628 | * restore the QoS params on packets that are still on the | |
3629 | * queues. | |
3630 | */ | |
3631 | synchronize_net(); | |
3b24f4c6 | 3632 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3633 | |
3634 | /* restore the normal QoS parameters | |
3635 | * (unconditionally to avoid races) | |
3636 | */ | |
3637 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3638 | tx_tspec->downgraded = false; | |
3639 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3640 | ||
3641 | /* finally clear all the data */ | |
3642 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3643 | ||
3644 | return 0; | |
3645 | } | |
3646 | ||
3647 | return -ENOENT; | |
3648 | } | |
3649 | ||
167e33f4 AB |
3650 | void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, |
3651 | u8 inst_id, | |
3652 | enum nl80211_nan_func_term_reason reason, | |
3653 | gfp_t gfp) | |
3654 | { | |
3655 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); | |
3656 | struct cfg80211_nan_func *func; | |
3657 | u64 cookie; | |
3658 | ||
3659 | if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) | |
3660 | return; | |
3661 | ||
3662 | spin_lock_bh(&sdata->u.nan.func_lock); | |
3663 | ||
3664 | func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); | |
3665 | if (WARN_ON(!func)) { | |
3666 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3667 | return; | |
3668 | } | |
3669 | ||
3670 | cookie = func->cookie; | |
3671 | idr_remove(&sdata->u.nan.function_inst_ids, inst_id); | |
3672 | ||
3673 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3674 | ||
3675 | cfg80211_free_nan_func(func); | |
3676 | ||
3677 | cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, | |
3678 | reason, cookie, gfp); | |
3679 | } | |
3680 | EXPORT_SYMBOL(ieee80211_nan_func_terminated); | |
3681 | ||
92bc43bc AB |
3682 | void ieee80211_nan_func_match(struct ieee80211_vif *vif, |
3683 | struct cfg80211_nan_match_params *match, | |
3684 | gfp_t gfp) | |
3685 | { | |
3686 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); | |
3687 | struct cfg80211_nan_func *func; | |
3688 | ||
3689 | if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) | |
3690 | return; | |
3691 | ||
3692 | spin_lock_bh(&sdata->u.nan.func_lock); | |
3693 | ||
3694 | func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); | |
3695 | if (WARN_ON(!func)) { | |
3696 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3697 | return; | |
3698 | } | |
3699 | match->cookie = func->cookie; | |
3700 | ||
3701 | spin_unlock_bh(&sdata->u.nan.func_lock); | |
3702 | ||
3703 | cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); | |
3704 | } | |
3705 | EXPORT_SYMBOL(ieee80211_nan_func_match); | |
3706 | ||
ebceec86 MB |
3707 | static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, |
3708 | struct net_device *dev, | |
3709 | const bool enabled) | |
3710 | { | |
3711 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3712 | ||
3713 | sdata->u.ap.multicast_to_unicast = enabled; | |
3714 | ||
3715 | return 0; | |
3716 | } | |
3717 | ||
2fe4a29a THJ |
3718 | void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, |
3719 | struct txq_info *txqi) | |
3720 | { | |
3721 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { | |
3722 | txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); | |
3723 | txqstats->backlog_bytes = txqi->tin.backlog_bytes; | |
3724 | } | |
3725 | ||
3726 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { | |
3727 | txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); | |
3728 | txqstats->backlog_packets = txqi->tin.backlog_packets; | |
3729 | } | |
3730 | ||
3731 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { | |
3732 | txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); | |
3733 | txqstats->flows = txqi->tin.flows; | |
3734 | } | |
3735 | ||
3736 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { | |
3737 | txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); | |
3738 | txqstats->drops = txqi->cstats.drop_count; | |
3739 | } | |
3740 | ||
3741 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { | |
3742 | txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); | |
3743 | txqstats->ecn_marks = txqi->cstats.ecn_mark; | |
3744 | } | |
3745 | ||
3746 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { | |
3747 | txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); | |
3748 | txqstats->overlimit = txqi->tin.overlimit; | |
3749 | } | |
3750 | ||
3751 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { | |
3752 | txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); | |
3753 | txqstats->collisions = txqi->tin.collisions; | |
3754 | } | |
3755 | ||
3756 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { | |
3757 | txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); | |
3758 | txqstats->tx_bytes = txqi->tin.tx_bytes; | |
3759 | } | |
3760 | ||
3761 | if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { | |
3762 | txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); | |
3763 | txqstats->tx_packets = txqi->tin.tx_packets; | |
3764 | } | |
3765 | } | |
3766 | ||
3767 | static int ieee80211_get_txq_stats(struct wiphy *wiphy, | |
3768 | struct wireless_dev *wdev, | |
3769 | struct cfg80211_txq_stats *txqstats) | |
3770 | { | |
3771 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3772 | struct ieee80211_sub_if_data *sdata; | |
3773 | int ret = 0; | |
3774 | ||
3775 | if (!local->ops->wake_tx_queue) | |
3776 | return 1; | |
3777 | ||
3778 | spin_lock_bh(&local->fq.lock); | |
3779 | rcu_read_lock(); | |
3780 | ||
3781 | if (wdev) { | |
3782 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
3783 | if (!sdata->vif.txq) { | |
3784 | ret = 1; | |
3785 | goto out; | |
3786 | } | |
3787 | ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); | |
3788 | } else { | |
3789 | /* phy stats */ | |
3790 | txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | | |
3791 | BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | | |
3792 | BIT(NL80211_TXQ_STATS_OVERLIMIT) | | |
3793 | BIT(NL80211_TXQ_STATS_OVERMEMORY) | | |
3794 | BIT(NL80211_TXQ_STATS_COLLISIONS) | | |
3795 | BIT(NL80211_TXQ_STATS_MAX_FLOWS); | |
3796 | txqstats->backlog_packets = local->fq.backlog; | |
3797 | txqstats->backlog_bytes = local->fq.memory_usage; | |
3798 | txqstats->overlimit = local->fq.overlimit; | |
3799 | txqstats->overmemory = local->fq.overmemory; | |
3800 | txqstats->collisions = local->fq.collisions; | |
3801 | txqstats->max_flows = local->fq.flows_cnt; | |
3802 | } | |
3803 | ||
3804 | out: | |
3805 | rcu_read_unlock(); | |
3806 | spin_unlock_bh(&local->fq.lock); | |
3807 | ||
3808 | return ret; | |
3809 | } | |
3810 | ||
8a47cea7 | 3811 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3812 | .add_virtual_intf = ieee80211_add_iface, |
3813 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3814 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3815 | .start_p2p_device = ieee80211_start_p2p_device, |
3816 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3817 | .add_key = ieee80211_add_key, |
3818 | .del_key = ieee80211_del_key, | |
62da92fb | 3819 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3820 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3821 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3822 | .start_ap = ieee80211_start_ap, |
3823 | .change_beacon = ieee80211_change_beacon, | |
3824 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3825 | .add_station = ieee80211_add_station, |
3826 | .del_station = ieee80211_del_station, | |
3827 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3828 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3829 | .dump_station = ieee80211_dump_station, |
1289723e | 3830 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3831 | #ifdef CONFIG_MAC80211_MESH |
3832 | .add_mpath = ieee80211_add_mpath, | |
3833 | .del_mpath = ieee80211_del_mpath, | |
3834 | .change_mpath = ieee80211_change_mpath, | |
3835 | .get_mpath = ieee80211_get_mpath, | |
3836 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3837 | .get_mpp = ieee80211_get_mpp, |
3838 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3839 | .update_mesh_config = ieee80211_update_mesh_config, |
3840 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3841 | .join_mesh = ieee80211_join_mesh, |
3842 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3843 | #endif |
239281f8 RL |
3844 | .join_ocb = ieee80211_join_ocb, |
3845 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3846 | .change_bss = ieee80211_change_bss, |
31888487 | 3847 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3848 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3849 | .suspend = ieee80211_suspend, |
3850 | .resume = ieee80211_resume, | |
2a519311 | 3851 | .scan = ieee80211_scan, |
91f123f2 | 3852 | .abort_scan = ieee80211_abort_scan, |
79f460ca LC |
3853 | .sched_scan_start = ieee80211_sched_scan_start, |
3854 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3855 | .auth = ieee80211_auth, |
3856 | .assoc = ieee80211_assoc, | |
3857 | .deauth = ieee80211_deauth, | |
3858 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3859 | .join_ibss = ieee80211_join_ibss, |
3860 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3861 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3862 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3863 | .set_tx_power = ieee80211_set_tx_power, |
3864 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3865 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3866 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3867 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3868 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3869 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3870 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3871 | .remain_on_channel = ieee80211_remain_on_channel, |
3872 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3873 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3874 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3875 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
2c3c5f8c | 3876 | .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, |
7be5086d | 3877 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3878 | .set_antenna = ieee80211_set_antenna, |
3879 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3880 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3881 | .tdls_oper = ieee80211_tdls_oper, |
3882 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3883 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3884 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3885 | .probe_client = ieee80211_probe_client, |
b53be792 | 3886 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3887 | #ifdef CONFIG_PM |
3888 | .set_wakeup = ieee80211_set_wakeup, | |
3889 | #endif | |
5b7ccaf3 | 3890 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3891 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3892 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3893 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3894 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3895 | .add_tx_ts = ieee80211_add_tx_ts, |
3896 | .del_tx_ts = ieee80211_del_tx_ts, | |
708d50ed AB |
3897 | .start_nan = ieee80211_start_nan, |
3898 | .stop_nan = ieee80211_stop_nan, | |
5953ff6d | 3899 | .nan_change_conf = ieee80211_nan_change_conf, |
167e33f4 AB |
3900 | .add_nan_func = ieee80211_add_nan_func, |
3901 | .del_nan_func = ieee80211_del_nan_func, | |
ebceec86 | 3902 | .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, |
91180649 | 3903 | .tx_control_port = ieee80211_tx_control_port, |
2fe4a29a | 3904 | .get_txq_stats = ieee80211_get_txq_stats, |
f0706e82 | 3905 | }; |