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 |
f0706e82 JB |
6 | * |
7 | * This file is GPLv2 as found in COPYING. | |
8 | */ | |
9 | ||
e8cbb4cb | 10 | #include <linux/ieee80211.h> |
f0706e82 JB |
11 | #include <linux/nl80211.h> |
12 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 13 | #include <linux/slab.h> |
881d966b | 14 | #include <net/net_namespace.h> |
5dfdaf58 | 15 | #include <linux/rcupdate.h> |
dfe018bf | 16 | #include <linux/if_ether.h> |
f0706e82 JB |
17 | #include <net/cfg80211.h> |
18 | #include "ieee80211_i.h" | |
24487981 | 19 | #include "driver-ops.h" |
e0eb6859 | 20 | #include "cfg.h" |
2c8dccc7 | 21 | #include "rate.h" |
c5dd9c2b | 22 | #include "mesh.h" |
02219b3a | 23 | #include "wme.h" |
c5dd9c2b | 24 | |
552bff0c JB |
25 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
26 | const char *name, | |
6bab2e19 | 27 | unsigned char name_assign_type, |
84efbb84 JB |
28 | enum nl80211_iftype type, |
29 | u32 *flags, | |
30 | struct vif_params *params) | |
f0706e82 JB |
31 | { |
32 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 33 | struct wireless_dev *wdev; |
8cc9a739 MW |
34 | struct ieee80211_sub_if_data *sdata; |
35 | int err; | |
f0706e82 | 36 | |
6bab2e19 | 37 | err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); |
f9e10ce4 JB |
38 | if (err) |
39 | return ERR_PTR(err); | |
8cc9a739 | 40 | |
f9e10ce4 | 41 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 42 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
43 | sdata->u.mntr_flags = *flags; |
44 | } | |
45 | ||
84efbb84 | 46 | return wdev; |
f0706e82 JB |
47 | } |
48 | ||
84efbb84 | 49 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 50 | { |
84efbb84 | 51 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 52 | |
75636525 | 53 | return 0; |
f0706e82 JB |
54 | } |
55 | ||
e36d56b6 JB |
56 | static int ieee80211_change_iface(struct wiphy *wiphy, |
57 | struct net_device *dev, | |
2ec600d6 LCC |
58 | enum nl80211_iftype type, u32 *flags, |
59 | struct vif_params *params) | |
42613db7 | 60 | { |
9607e6b6 | 61 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 62 | int ret; |
42613db7 | 63 | |
05c914fe | 64 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
65 | if (ret) |
66 | return ret; | |
42613db7 | 67 | |
9bc383de JB |
68 | if (type == NL80211_IFTYPE_AP_VLAN && |
69 | params && params->use_4addr == 0) | |
a9b3cd7f | 70 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
71 | else if (type == NL80211_IFTYPE_STATION && |
72 | params && params->use_4addr >= 0) | |
73 | sdata->u.mgd.use_4addr = params->use_4addr; | |
74 | ||
85416a4f CL |
75 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
76 | struct ieee80211_local *local = sdata->local; | |
77 | ||
78 | if (ieee80211_sdata_running(sdata)) { | |
31eba5bc FF |
79 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
80 | MONITOR_FLAG_ACTIVE; | |
81 | ||
85416a4f | 82 | /* |
31eba5bc FF |
83 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
84 | * MONITOR_FLAG_ACTIVE to be changed while the | |
85 | * interface is up. | |
85416a4f CL |
86 | * Else we would need to add a lot of cruft |
87 | * to update everything: | |
88 | * cooked_mntrs, monitor and all fif_* counters | |
89 | * reconfigure hardware | |
90 | */ | |
31eba5bc | 91 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
85416a4f CL |
92 | return -EBUSY; |
93 | ||
94 | ieee80211_adjust_monitor_flags(sdata, -1); | |
95 | sdata->u.mntr_flags = *flags; | |
96 | ieee80211_adjust_monitor_flags(sdata, 1); | |
97 | ||
98 | ieee80211_configure_filter(local); | |
99 | } else { | |
100 | /* | |
101 | * Because the interface is down, ieee80211_do_stop | |
102 | * and ieee80211_do_open take care of "everything" | |
103 | * mentioned in the comment above. | |
104 | */ | |
105 | sdata->u.mntr_flags = *flags; | |
106 | } | |
107 | } | |
f7917af9 | 108 | |
42613db7 JB |
109 | return 0; |
110 | } | |
111 | ||
f142c6b9 JB |
112 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
113 | struct wireless_dev *wdev) | |
114 | { | |
b6a55015 LC |
115 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
116 | int ret; | |
117 | ||
118 | mutex_lock(&sdata->local->chanctx_mtx); | |
119 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
120 | mutex_unlock(&sdata->local->chanctx_mtx); | |
121 | if (ret < 0) | |
122 | return ret; | |
123 | ||
f142c6b9 JB |
124 | return ieee80211_do_open(wdev, true); |
125 | } | |
126 | ||
127 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
128 | struct wireless_dev *wdev) | |
129 | { | |
130 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
131 | } | |
132 | ||
b53be792 SW |
133 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
134 | struct net_device *dev, | |
135 | u16 noack_map) | |
136 | { | |
137 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
138 | ||
139 | sdata->noack_map = noack_map; | |
17c18bf8 JB |
140 | |
141 | ieee80211_check_fast_xmit_iface(sdata); | |
142 | ||
b53be792 SW |
143 | return 0; |
144 | } | |
145 | ||
e8cbb4cb | 146 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 147 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
148 | struct key_params *params) |
149 | { | |
26a58456 | 150 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 151 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 152 | struct sta_info *sta = NULL; |
2475b1cc | 153 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 154 | struct ieee80211_key *key; |
3b96766f | 155 | int err; |
e8cbb4cb | 156 | |
26a58456 | 157 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
158 | return -ENETDOWN; |
159 | ||
97359d12 | 160 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
161 | switch (params->cipher) { |
162 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 163 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 164 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 165 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 166 | return -EINVAL; |
3cfcf6ac | 167 | break; |
2475b1cc | 168 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 169 | case WLAN_CIPHER_SUITE_CCMP_256: |
2475b1cc | 170 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 171 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
8ade538b JM |
172 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
173 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
2475b1cc | 174 | case WLAN_CIPHER_SUITE_GCMP: |
00b9cfa3 | 175 | case WLAN_CIPHER_SUITE_GCMP_256: |
2475b1cc | 176 | break; |
e8cbb4cb | 177 | default: |
2475b1cc | 178 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 179 | break; |
e8cbb4cb JB |
180 | } |
181 | ||
97359d12 | 182 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
183 | params->key, params->seq_len, params->seq, |
184 | cs); | |
1ac62ba7 BH |
185 | if (IS_ERR(key)) |
186 | return PTR_ERR(key); | |
db4d1169 | 187 | |
e31b8213 JB |
188 | if (pairwise) |
189 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
190 | ||
2475b1cc | 191 | mutex_lock(&local->sta_mtx); |
3b96766f | 192 | |
e8cbb4cb | 193 | if (mac_addr) { |
ff973af7 TP |
194 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
195 | sta = sta_info_get(sdata, mac_addr); | |
196 | else | |
197 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
198 | /* |
199 | * The ASSOC test makes sure the driver is ready to | |
200 | * receive the key. When wpa_supplicant has roamed | |
201 | * using FT, it attempts to set the key before | |
202 | * association has completed, this rejects that attempt | |
d070f913 | 203 | * so it will set the key again after association. |
1626e0fa JB |
204 | * |
205 | * TODO: accept the key if we have a station entry and | |
206 | * add it to the device after the station. | |
207 | */ | |
208 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 209 | ieee80211_key_free_unused(key); |
3b96766f JB |
210 | err = -ENOENT; |
211 | goto out_unlock; | |
db4d1169 | 212 | } |
e8cbb4cb JB |
213 | } |
214 | ||
e548c49e JB |
215 | switch (sdata->vif.type) { |
216 | case NL80211_IFTYPE_STATION: | |
217 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
218 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
219 | break; | |
220 | case NL80211_IFTYPE_AP: | |
221 | case NL80211_IFTYPE_AP_VLAN: | |
222 | /* Keys without a station are used for TX only */ | |
223 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
224 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
225 | break; | |
226 | case NL80211_IFTYPE_ADHOC: | |
227 | /* no MFP (yet) */ | |
228 | break; | |
229 | case NL80211_IFTYPE_MESH_POINT: | |
230 | #ifdef CONFIG_MAC80211_MESH | |
231 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
232 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
233 | break; | |
234 | #endif | |
235 | case NL80211_IFTYPE_WDS: | |
236 | case NL80211_IFTYPE_MONITOR: | |
237 | case NL80211_IFTYPE_P2P_DEVICE: | |
238 | case NL80211_IFTYPE_UNSPECIFIED: | |
239 | case NUM_NL80211_IFTYPES: | |
240 | case NL80211_IFTYPE_P2P_CLIENT: | |
241 | case NL80211_IFTYPE_P2P_GO: | |
6e0bd6c3 | 242 | case NL80211_IFTYPE_OCB: |
e548c49e JB |
243 | /* shouldn't happen */ |
244 | WARN_ON_ONCE(1); | |
245 | break; | |
246 | } | |
247 | ||
2475b1cc MS |
248 | if (sta) |
249 | sta->cipher_scheme = cs; | |
250 | ||
3ffc2a90 | 251 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 252 | |
3b96766f | 253 | out_unlock: |
2475b1cc | 254 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
255 | |
256 | return err; | |
e8cbb4cb JB |
257 | } |
258 | ||
259 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 260 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 261 | { |
5c0c3641 JB |
262 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
263 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 264 | struct sta_info *sta; |
5c0c3641 | 265 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
266 | int ret; |
267 | ||
5c0c3641 JB |
268 | mutex_lock(&local->sta_mtx); |
269 | mutex_lock(&local->key_mtx); | |
3b96766f | 270 | |
e8cbb4cb | 271 | if (mac_addr) { |
3b96766f JB |
272 | ret = -ENOENT; |
273 | ||
0e5ded5a | 274 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 275 | if (!sta) |
3b96766f | 276 | goto out_unlock; |
e8cbb4cb | 277 | |
5c0c3641 | 278 | if (pairwise) |
2475b1cc | 279 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 280 | else |
40b275b6 | 281 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 282 | } else |
40b275b6 | 283 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 284 | |
5c0c3641 | 285 | if (!key) { |
3b96766f JB |
286 | ret = -ENOENT; |
287 | goto out_unlock; | |
288 | } | |
e8cbb4cb | 289 | |
3b8d9c29 | 290 | ieee80211_key_free(key, true); |
e8cbb4cb | 291 | |
3b96766f JB |
292 | ret = 0; |
293 | out_unlock: | |
5c0c3641 JB |
294 | mutex_unlock(&local->key_mtx); |
295 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
296 | |
297 | return ret; | |
e8cbb4cb JB |
298 | } |
299 | ||
62da92fb | 300 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
301 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
302 | void *cookie, | |
62da92fb JB |
303 | void (*callback)(void *cookie, |
304 | struct key_params *params)) | |
305 | { | |
14db74bc | 306 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
307 | struct sta_info *sta = NULL; |
308 | u8 seq[6] = {0}; | |
309 | struct key_params params; | |
e31b8213 | 310 | struct ieee80211_key *key = NULL; |
aba83a0b | 311 | u64 pn64; |
62da92fb JB |
312 | u32 iv32; |
313 | u16 iv16; | |
314 | int err = -ENOENT; | |
9352c19f | 315 | struct ieee80211_key_seq kseq = {}; |
62da92fb | 316 | |
14db74bc JB |
317 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
318 | ||
3b96766f JB |
319 | rcu_read_lock(); |
320 | ||
62da92fb | 321 | if (mac_addr) { |
0e5ded5a | 322 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
323 | if (!sta) |
324 | goto out; | |
325 | ||
354e159d | 326 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 327 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
328 | else if (!pairwise && |
329 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 330 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 331 | } else |
a3836e02 | 332 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
333 | |
334 | if (!key) | |
335 | goto out; | |
336 | ||
337 | memset(¶ms, 0, sizeof(params)); | |
338 | ||
97359d12 | 339 | params.cipher = key->conf.cipher; |
62da92fb | 340 | |
97359d12 JB |
341 | switch (key->conf.cipher) { |
342 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
343 | iv32 = key->u.tkip.tx.iv32; |
344 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 345 | |
9352c19f JB |
346 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
347 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
348 | drv_get_key_seq(sdata->local, key, &kseq); | |
349 | iv32 = kseq.tkip.iv32; | |
350 | iv16 = kseq.tkip.iv16; | |
351 | } | |
62da92fb JB |
352 | |
353 | seq[0] = iv16 & 0xff; | |
354 | seq[1] = (iv16 >> 8) & 0xff; | |
355 | seq[2] = iv32 & 0xff; | |
356 | seq[3] = (iv32 >> 8) & 0xff; | |
357 | seq[4] = (iv32 >> 16) & 0xff; | |
358 | seq[5] = (iv32 >> 24) & 0xff; | |
359 | params.seq = seq; | |
360 | params.seq_len = 6; | |
361 | break; | |
97359d12 | 362 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 363 | case WLAN_CIPHER_SUITE_CCMP_256: |
97359d12 | 364 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 365 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
db388a56 JB |
366 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
367 | offsetof(typeof(kseq), aes_cmac)); | |
8ade538b JM |
368 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
369 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
db388a56 JB |
370 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
371 | offsetof(typeof(kseq), aes_gmac)); | |
00b9cfa3 JM |
372 | case WLAN_CIPHER_SUITE_GCMP: |
373 | case WLAN_CIPHER_SUITE_GCMP_256: | |
db388a56 JB |
374 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
375 | offsetof(typeof(kseq), gcmp)); | |
376 | ||
9352c19f JB |
377 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
378 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
379 | drv_get_key_seq(sdata->local, key, &kseq); | |
db388a56 | 380 | memcpy(seq, kseq.ccmp.pn, 6); |
9352c19f | 381 | } else { |
db388a56 | 382 | pn64 = atomic64_read(&key->conf.tx_pn); |
9352c19f JB |
383 | seq[0] = pn64; |
384 | seq[1] = pn64 >> 8; | |
385 | seq[2] = pn64 >> 16; | |
386 | seq[3] = pn64 >> 24; | |
387 | seq[4] = pn64 >> 32; | |
388 | seq[5] = pn64 >> 40; | |
389 | } | |
00b9cfa3 JM |
390 | params.seq = seq; |
391 | params.seq_len = 6; | |
392 | break; | |
a31cf1c6 JB |
393 | default: |
394 | if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) | |
395 | break; | |
396 | if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) | |
397 | break; | |
398 | drv_get_key_seq(sdata->local, key, &kseq); | |
399 | params.seq = kseq.hw.seq; | |
400 | params.seq_len = kseq.hw.seq_len; | |
401 | break; | |
62da92fb JB |
402 | } |
403 | ||
404 | params.key = key->conf.key; | |
405 | params.key_len = key->conf.keylen; | |
406 | ||
407 | callback(cookie, ¶ms); | |
408 | err = 0; | |
409 | ||
410 | out: | |
3b96766f | 411 | rcu_read_unlock(); |
62da92fb JB |
412 | return err; |
413 | } | |
414 | ||
e8cbb4cb JB |
415 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
416 | struct net_device *dev, | |
dbd2fd65 JB |
417 | u8 key_idx, bool uni, |
418 | bool multi) | |
e8cbb4cb | 419 | { |
ad0e2b5a | 420 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 421 | |
f7e0104c | 422 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
423 | |
424 | return 0; | |
425 | } | |
426 | ||
3cfcf6ac JM |
427 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
428 | struct net_device *dev, | |
429 | u8 key_idx) | |
430 | { | |
66c52421 | 431 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 432 | |
3cfcf6ac JM |
433 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
434 | ||
3cfcf6ac JM |
435 | return 0; |
436 | } | |
437 | ||
6b62bf32 TP |
438 | void sta_set_rate_info_tx(struct sta_info *sta, |
439 | const struct ieee80211_tx_rate *rate, | |
440 | struct rate_info *rinfo) | |
441 | { | |
442 | rinfo->flags = 0; | |
8bc83c24 | 443 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 444 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
445 | rinfo->mcs = rate->idx; |
446 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
447 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
448 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
449 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
450 | } else { | |
451 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
452 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
453 | u16 brate; | |
454 | ||
8bc83c24 JB |
455 | sband = sta->local->hw.wiphy->bands[ |
456 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
457 | brate = sband->bitrates[rate->idx].bitrate; |
458 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 459 | } |
6b62bf32 | 460 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
b51f3bee JB |
461 | rinfo->bw = RATE_INFO_BW_40; |
462 | else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) | |
463 | rinfo->bw = RATE_INFO_BW_80; | |
464 | else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
465 | rinfo->bw = RATE_INFO_BW_160; | |
466 | else | |
467 | rinfo->bw = RATE_INFO_BW_20; | |
6b62bf32 TP |
468 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
469 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
470 | } |
471 | ||
003e676a S |
472 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
473 | { | |
474 | rinfo->flags = 0; | |
475 | ||
476 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
477 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
478 | rinfo->mcs = sta->last_rx_rate_idx; | |
479 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
480 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
481 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
482 | rinfo->mcs = sta->last_rx_rate_idx; | |
483 | } else { | |
484 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
485 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
486 | u16 brate; | |
003e676a S |
487 | |
488 | sband = sta->local->hw.wiphy->bands[ | |
489 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
490 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
491 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
003e676a S |
492 | } |
493 | ||
003e676a S |
494 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) |
495 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
b51f3bee JB |
496 | |
497 | if (sta->last_rx_rate_flag & RX_FLAG_5MHZ) | |
498 | rinfo->bw = RATE_INFO_BW_5; | |
499 | else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ) | |
500 | rinfo->bw = RATE_INFO_BW_10; | |
501 | else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
502 | rinfo->bw = RATE_INFO_BW_40; | |
503 | else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) | |
504 | rinfo->bw = RATE_INFO_BW_80; | |
505 | else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) | |
506 | rinfo->bw = RATE_INFO_BW_160; | |
507 | else | |
508 | rinfo->bw = RATE_INFO_BW_20; | |
003e676a S |
509 | } |
510 | ||
c5dd9c2b | 511 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 512 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 513 | { |
3b53fde8 | 514 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 515 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 516 | struct sta_info *sta; |
d0709a65 JB |
517 | int ret = -ENOENT; |
518 | ||
66572cfc | 519 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 520 | |
3b53fde8 | 521 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
522 | if (sta) { |
523 | ret = 0; | |
17741cdc | 524 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
525 | sta_set_sinfo(sta, sinfo); |
526 | } | |
c5dd9c2b | 527 | |
66572cfc | 528 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 529 | |
d0709a65 | 530 | return ret; |
c5dd9c2b LCC |
531 | } |
532 | ||
1289723e HS |
533 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
534 | int idx, struct survey_info *survey) | |
535 | { | |
536 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
537 | ||
1289723e HS |
538 | return drv_get_survey(local, idx, survey); |
539 | } | |
540 | ||
7bbdd2d9 | 541 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 542 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 543 | { |
abe60632 | 544 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 545 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 546 | struct sta_info *sta; |
d0709a65 | 547 | int ret = -ENOENT; |
7bbdd2d9 | 548 | |
66572cfc | 549 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 550 | |
0e5ded5a | 551 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
552 | if (sta) { |
553 | ret = 0; | |
554 | sta_set_sinfo(sta, sinfo); | |
555 | } | |
556 | ||
66572cfc | 557 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
558 | |
559 | return ret; | |
7bbdd2d9 JB |
560 | } |
561 | ||
55de908a | 562 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 563 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
564 | { |
565 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
566 | struct ieee80211_sub_if_data *sdata; |
567 | int ret = 0; | |
3d9e6e12 | 568 | |
4bf88530 | 569 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 570 | return 0; |
3d9e6e12 | 571 | |
34a3740d | 572 | mutex_lock(&local->mtx); |
55de908a JB |
573 | mutex_lock(&local->iflist_mtx); |
574 | if (local->use_chanctx) { | |
575 | sdata = rcu_dereference_protected( | |
576 | local->monitor_sdata, | |
577 | lockdep_is_held(&local->iflist_mtx)); | |
578 | if (sdata) { | |
579 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 580 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
581 | IEEE80211_CHANCTX_EXCLUSIVE); |
582 | } | |
583 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 584 | local->_oper_chandef = *chandef; |
55de908a JB |
585 | ieee80211_hw_config(local, 0); |
586 | } | |
3d9e6e12 | 587 | |
4bf88530 JB |
588 | if (ret == 0) |
589 | local->monitor_chandef = *chandef; | |
55de908a | 590 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 591 | mutex_unlock(&local->mtx); |
3d9e6e12 | 592 | |
55de908a | 593 | return ret; |
e8c9bd5b JB |
594 | } |
595 | ||
02945821 | 596 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
597 | const u8 *resp, size_t resp_len, |
598 | const struct ieee80211_csa_settings *csa) | |
02945821 | 599 | { |
aa7a0080 | 600 | struct probe_resp *new, *old; |
02945821 AN |
601 | |
602 | if (!resp || !resp_len) | |
aba4e6ff | 603 | return 1; |
02945821 | 604 | |
7ca133bc | 605 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 606 | |
aa7a0080 | 607 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
608 | if (!new) |
609 | return -ENOMEM; | |
610 | ||
aa7a0080 ES |
611 | new->len = resp_len; |
612 | memcpy(new->data, resp, resp_len); | |
02945821 | 613 | |
af296bdb MK |
614 | if (csa) |
615 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
616 | csa->n_counter_offsets_presp * | |
617 | sizeof(new->csa_counter_offsets[0])); | |
618 | ||
02945821 | 619 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
620 | if (old) |
621 | kfree_rcu(old, rcu_head); | |
02945821 AN |
622 | |
623 | return 0; | |
624 | } | |
625 | ||
0ae07968 | 626 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
627 | struct cfg80211_beacon_data *params, |
628 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
629 | { |
630 | struct beacon_data *new, *old; | |
631 | int new_head_len, new_tail_len; | |
8860020e JB |
632 | int size, err; |
633 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 634 | |
7ca133bc SW |
635 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
636 | ||
5dfdaf58 | 637 | |
5dfdaf58 JB |
638 | /* Need to have a beacon head if we don't have one yet */ |
639 | if (!params->head && !old) | |
8860020e | 640 | return -EINVAL; |
5dfdaf58 JB |
641 | |
642 | /* new or old head? */ | |
643 | if (params->head) | |
644 | new_head_len = params->head_len; | |
645 | else | |
646 | new_head_len = old->head_len; | |
647 | ||
648 | /* new or old tail? */ | |
649 | if (params->tail || !old) | |
650 | /* params->tail_len will be zero for !params->tail */ | |
651 | new_tail_len = params->tail_len; | |
652 | else | |
653 | new_tail_len = old->tail_len; | |
654 | ||
655 | size = sizeof(*new) + new_head_len + new_tail_len; | |
656 | ||
657 | new = kzalloc(size, GFP_KERNEL); | |
658 | if (!new) | |
659 | return -ENOMEM; | |
660 | ||
661 | /* start filling the new info now */ | |
662 | ||
5dfdaf58 JB |
663 | /* |
664 | * pointers go into the block we allocated, | |
665 | * memory is | beacon_data | head | tail | | |
666 | */ | |
667 | new->head = ((u8 *) new) + sizeof(*new); | |
668 | new->tail = new->head + new_head_len; | |
669 | new->head_len = new_head_len; | |
670 | new->tail_len = new_tail_len; | |
671 | ||
af296bdb MK |
672 | if (csa) { |
673 | new->csa_current_counter = csa->count; | |
674 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
675 | csa->n_counter_offsets_beacon * | |
676 | sizeof(new->csa_counter_offsets[0])); | |
677 | } | |
678 | ||
5dfdaf58 JB |
679 | /* copy in head */ |
680 | if (params->head) | |
681 | memcpy(new->head, params->head, new_head_len); | |
682 | else | |
683 | memcpy(new->head, old->head, new_head_len); | |
684 | ||
685 | /* copy in optional tail */ | |
686 | if (params->tail) | |
687 | memcpy(new->tail, params->tail, new_tail_len); | |
688 | else | |
689 | if (old) | |
690 | memcpy(new->tail, old->tail, new_tail_len); | |
691 | ||
02945821 | 692 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 693 | params->probe_resp_len, csa); |
8860020e JB |
694 | if (err < 0) |
695 | return err; | |
696 | if (err == 0) | |
02945821 AN |
697 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
698 | ||
8860020e JB |
699 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
700 | ||
701 | if (old) | |
702 | kfree_rcu(old, rcu_head); | |
7827493b | 703 | |
8860020e | 704 | return changed; |
5dfdaf58 JB |
705 | } |
706 | ||
8860020e JB |
707 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
708 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 709 | { |
8860020e | 710 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 711 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 712 | struct beacon_data *old; |
665c93a9 | 713 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
714 | u32 changed = BSS_CHANGED_BEACON_INT | |
715 | BSS_CHANGED_BEACON_ENABLED | | |
716 | BSS_CHANGED_BEACON | | |
339afbf4 | 717 | BSS_CHANGED_SSID | |
4bcc56bb JB |
718 | BSS_CHANGED_P2P_PS | |
719 | BSS_CHANGED_TXPOWER; | |
8860020e | 720 | int err; |
14db74bc | 721 | |
7ca133bc | 722 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
723 | if (old) |
724 | return -EALREADY; | |
725 | ||
f6993174 EP |
726 | switch (params->smps_mode) { |
727 | case NL80211_SMPS_OFF: | |
728 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
729 | break; | |
730 | case NL80211_SMPS_STATIC: | |
731 | sdata->smps_mode = IEEE80211_SMPS_STATIC; | |
732 | break; | |
733 | case NL80211_SMPS_DYNAMIC: | |
734 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; | |
735 | break; | |
736 | default: | |
737 | return -EINVAL; | |
738 | } | |
04ecd257 JB |
739 | sdata->needed_rx_chains = sdata->local->rx_chains; |
740 | ||
34a3740d | 741 | mutex_lock(&local->mtx); |
4bf88530 | 742 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 743 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
744 | if (!err) |
745 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 746 | mutex_unlock(&local->mtx); |
aa430da4 JB |
747 | if (err) |
748 | return err; | |
749 | ||
665c93a9 JB |
750 | /* |
751 | * Apply control port protocol, this allows us to | |
752 | * not encrypt dynamic WEP control frames. | |
753 | */ | |
754 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
755 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
756 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
757 | ¶ms->crypto, | |
758 | sdata->vif.type); | |
759 | ||
665c93a9 JB |
760 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
761 | vlan->control_port_protocol = | |
762 | params->crypto.control_port_ethertype; | |
763 | vlan->control_port_no_encrypt = | |
764 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
765 | vlan->encrypt_headroom = |
766 | ieee80211_cs_headroom(sdata->local, | |
767 | ¶ms->crypto, | |
768 | vlan->vif.type); | |
665c93a9 JB |
769 | } |
770 | ||
8860020e JB |
771 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
772 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 773 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
774 | |
775 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
776 | if (params->ssid_len) | |
777 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
778 | params->ssid_len); | |
779 | sdata->vif.bss_conf.hidden_ssid = | |
780 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
781 | ||
67baf663 JD |
782 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
783 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
784 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
785 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
786 | if (params->p2p_opp_ps) | |
787 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
788 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 789 | |
af296bdb | 790 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
791 | if (err < 0) { |
792 | ieee80211_vif_release_channel(sdata); | |
8860020e | 793 | return err; |
0297ea17 | 794 | } |
8860020e JB |
795 | changed |= err; |
796 | ||
1041638f JB |
797 | err = drv_start_ap(sdata->local, sdata); |
798 | if (err) { | |
7ca133bc SW |
799 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
800 | ||
1041638f JB |
801 | if (old) |
802 | kfree_rcu(old, rcu_head); | |
803 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 804 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
805 | return err; |
806 | } | |
807 | ||
057d5f4b | 808 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
809 | ieee80211_bss_info_change_notify(sdata, changed); |
810 | ||
3edaf3e6 JB |
811 | netif_carrier_on(dev); |
812 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
813 | netif_carrier_on(vlan->dev); | |
814 | ||
665c93a9 | 815 | return 0; |
5dfdaf58 JB |
816 | } |
817 | ||
8860020e JB |
818 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
819 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 820 | { |
14db74bc | 821 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 822 | struct beacon_data *old; |
8860020e | 823 | int err; |
5dfdaf58 | 824 | |
14db74bc | 825 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 826 | sdata_assert_lock(sdata); |
14db74bc | 827 | |
73da7d5b SW |
828 | /* don't allow changing the beacon while CSA is in place - offset |
829 | * of channel switch counter may change | |
830 | */ | |
831 | if (sdata->vif.csa_active) | |
832 | return -EBUSY; | |
833 | ||
7ca133bc | 834 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
835 | if (!old) |
836 | return -ENOENT; | |
837 | ||
af296bdb | 838 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
839 | if (err < 0) |
840 | return err; | |
841 | ieee80211_bss_info_change_notify(sdata, err); | |
842 | return 0; | |
5dfdaf58 JB |
843 | } |
844 | ||
8860020e | 845 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 846 | { |
7b20b8e8 JB |
847 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
848 | struct ieee80211_sub_if_data *vlan; | |
849 | struct ieee80211_local *local = sdata->local; | |
850 | struct beacon_data *old_beacon; | |
851 | struct probe_resp *old_probe_resp; | |
d2859df5 | 852 | struct cfg80211_chan_def chandef; |
14db74bc | 853 | |
dbd72850 MK |
854 | sdata_assert_lock(sdata); |
855 | ||
7ca133bc | 856 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 857 | if (!old_beacon) |
5dfdaf58 | 858 | return -ENOENT; |
7ca133bc | 859 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 860 | |
73da7d5b | 861 | /* abort any running channel switch */ |
59af6928 | 862 | mutex_lock(&local->mtx); |
73da7d5b | 863 | sdata->vif.csa_active = false; |
a46992b4 LC |
864 | if (sdata->csa_block_tx) { |
865 | ieee80211_wake_vif_queues(local, sdata, | |
866 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
867 | sdata->csa_block_tx = false; | |
868 | } | |
869 | ||
59af6928 MK |
870 | mutex_unlock(&local->mtx); |
871 | ||
1f3b8a2b SW |
872 | kfree(sdata->u.ap.next_beacon); |
873 | sdata->u.ap.next_beacon = NULL; | |
874 | ||
7b20b8e8 | 875 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
876 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
877 | netif_carrier_off(vlan->dev); | |
878 | netif_carrier_off(dev); | |
879 | ||
7b20b8e8 | 880 | /* remove beacon and probe response */ |
a9b3cd7f | 881 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
882 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
883 | kfree_rcu(old_beacon, rcu_head); | |
884 | if (old_probe_resp) | |
885 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 886 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 887 | |
e716251d | 888 | __sta_info_flush(sdata, true); |
7907c7d3 | 889 | ieee80211_free_keys(sdata, true); |
75de9113 | 890 | |
d6a83228 | 891 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 892 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 893 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 894 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 895 | |
a6b368f6 | 896 | if (sdata->wdev.cac_started) { |
d2859df5 | 897 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 898 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
899 | cfg80211_cac_event(sdata->dev, &chandef, |
900 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
901 | GFP_KERNEL); |
902 | } | |
903 | ||
1041638f JB |
904 | drv_stop_ap(sdata->local, sdata); |
905 | ||
7b20b8e8 JB |
906 | /* free all potentially still buffered bcast frames */ |
907 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
908 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
909 | ||
34a3740d | 910 | mutex_lock(&local->mtx); |
4e141dad | 911 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 912 | ieee80211_vif_release_channel(sdata); |
34a3740d | 913 | mutex_unlock(&local->mtx); |
55de908a | 914 | |
2d0ddec5 | 915 | return 0; |
5dfdaf58 JB |
916 | } |
917 | ||
4fd6931e JB |
918 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
919 | struct iapp_layer2_update { | |
920 | u8 da[ETH_ALEN]; /* broadcast */ | |
921 | u8 sa[ETH_ALEN]; /* STA addr */ | |
922 | __be16 len; /* 6 */ | |
923 | u8 dsap; /* 0 */ | |
924 | u8 ssap; /* 0 */ | |
925 | u8 control; | |
926 | u8 xid_info[3]; | |
bc10502d | 927 | } __packed; |
4fd6931e JB |
928 | |
929 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
930 | { | |
931 | struct iapp_layer2_update *msg; | |
932 | struct sk_buff *skb; | |
933 | ||
934 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
935 | * bridge devices */ | |
936 | ||
937 | skb = dev_alloc_skb(sizeof(*msg)); | |
938 | if (!skb) | |
939 | return; | |
940 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
941 | ||
942 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
943 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
944 | ||
e83e6541 | 945 | eth_broadcast_addr(msg->da); |
17741cdc | 946 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
947 | msg->len = htons(6); |
948 | msg->dsap = 0; | |
949 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
950 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
951 | * F=0 (no poll command; unsolicited frame) */ | |
952 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
953 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
954 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
955 | ||
d0709a65 JB |
956 | skb->dev = sta->sdata->dev; |
957 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 958 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 959 | netif_rx_ni(skb); |
4fd6931e JB |
960 | } |
961 | ||
d582cffb JB |
962 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
963 | struct sta_info *sta, | |
964 | u32 mask, u32 set) | |
965 | { | |
966 | int ret; | |
967 | ||
968 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
969 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
970 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
971 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
972 | if (ret) | |
973 | return ret; | |
974 | } | |
975 | ||
976 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
977 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
978 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
c23e31cf MP |
979 | /* |
980 | * When peer becomes associated, init rate control as | |
981 | * well. Some drivers require rate control initialized | |
982 | * before drv_sta_state() is called. | |
983 | */ | |
44674d9c | 984 | if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) |
c23e31cf MP |
985 | rate_control_rate_init(sta); |
986 | ||
d582cffb JB |
987 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
988 | if (ret) | |
989 | return ret; | |
990 | } | |
991 | ||
992 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
993 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
994 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
995 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
996 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
997 | else | |
998 | ret = 0; | |
999 | if (ret) | |
1000 | return ret; | |
1001 | } | |
1002 | ||
1003 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1004 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1005 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1006 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1007 | if (ret) | |
1008 | return ret; | |
1009 | } | |
1010 | ||
1011 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1012 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1013 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1014 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1015 | if (ret) | |
1016 | return ret; | |
1017 | } | |
1018 | ||
1019 | return 0; | |
1020 | } | |
1021 | ||
13657702 JB |
1022 | static void sta_apply_mesh_params(struct ieee80211_local *local, |
1023 | struct sta_info *sta, | |
1024 | struct station_parameters *params) | |
1025 | { | |
1026 | #ifdef CONFIG_MAC80211_MESH | |
1027 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
1028 | u32 changed = 0; | |
1029 | ||
1030 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
1031 | switch (params->plink_state) { | |
1032 | case NL80211_PLINK_ESTAB: | |
1033 | if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) | |
1034 | changed = mesh_plink_inc_estab_count(sdata); | |
1035 | sta->mesh->plink_state = params->plink_state; | |
1036 | ||
1037 | ieee80211_mps_sta_status_update(sta); | |
1038 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1039 | sdata->u.mesh.mshcfg.power_mode); | |
1040 | break; | |
1041 | case NL80211_PLINK_LISTEN: | |
1042 | case NL80211_PLINK_BLOCKED: | |
1043 | case NL80211_PLINK_OPN_SNT: | |
1044 | case NL80211_PLINK_OPN_RCVD: | |
1045 | case NL80211_PLINK_CNF_RCVD: | |
1046 | case NL80211_PLINK_HOLDING: | |
1047 | if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) | |
1048 | changed = mesh_plink_dec_estab_count(sdata); | |
1049 | sta->mesh->plink_state = params->plink_state; | |
1050 | ||
1051 | ieee80211_mps_sta_status_update(sta); | |
1052 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1053 | NL80211_MESH_POWER_UNKNOWN); | |
1054 | break; | |
1055 | default: | |
1056 | /* nothing */ | |
1057 | break; | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | switch (params->plink_action) { | |
1062 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1063 | /* nothing */ | |
1064 | break; | |
1065 | case NL80211_PLINK_ACTION_OPEN: | |
1066 | changed |= mesh_plink_open(sta); | |
1067 | break; | |
1068 | case NL80211_PLINK_ACTION_BLOCK: | |
1069 | changed |= mesh_plink_block(sta); | |
1070 | break; | |
1071 | } | |
1072 | ||
1073 | if (params->local_pm) | |
1074 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1075 | params->local_pm); | |
1076 | ||
1077 | ieee80211_mbss_info_change_notify(sdata, changed); | |
1078 | #endif | |
1079 | } | |
1080 | ||
d9a7ddb0 JB |
1081 | static int sta_apply_parameters(struct ieee80211_local *local, |
1082 | struct sta_info *sta, | |
1083 | struct station_parameters *params) | |
4fd6931e | 1084 | { |
d9a7ddb0 | 1085 | int ret = 0; |
8318d78a | 1086 | struct ieee80211_supported_band *sband; |
d0709a65 | 1087 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1088 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1089 | u32 mask, set; |
4fd6931e | 1090 | |
55de908a | 1091 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1092 | |
eccb8e8f JB |
1093 | mask = params->sta_flags_mask; |
1094 | set = params->sta_flags_set; | |
73651ee6 | 1095 | |
d582cffb JB |
1096 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1097 | /* | |
1098 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1099 | * API but must follow AUTHENTICATED for driver state. | |
1100 | */ | |
1101 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1102 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1103 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1104 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1105 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1106 | /* | |
1107 | * TDLS -- everything follows authorized, but | |
1108 | * only becoming authorized is possible, not | |
1109 | * going back | |
1110 | */ | |
1111 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1112 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1113 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1114 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1115 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1116 | } | |
eccb8e8f | 1117 | } |
4fd6931e | 1118 | |
2c44be81 JB |
1119 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
1120 | local->hw.queues >= IEEE80211_NUM_ACS) | |
1121 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
1122 | ||
44674d9c AB |
1123 | /* auth flags will be set later for TDLS, |
1124 | * and for unassociated stations that move to assocaited */ | |
1125 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1126 | !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1127 | (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
68885a54 AN |
1128 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1129 | if (ret) | |
1130 | return ret; | |
1131 | } | |
d9a7ddb0 | 1132 | |
eccb8e8f | 1133 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1134 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1135 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1136 | else | |
1137 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1138 | } |
4fd6931e | 1139 | |
eccb8e8f | 1140 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1141 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1142 | set_sta_flag(sta, WLAN_STA_MFP); |
1143 | else | |
1144 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1145 | } |
b39c48fa | 1146 | |
07ba55d7 | 1147 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1148 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1149 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1150 | else | |
1151 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1152 | } |
4fd6931e | 1153 | |
9041c1fa AN |
1154 | /* mark TDLS channel switch support, if the AP allows it */ |
1155 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1156 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1157 | params->ext_capab_len >= 4 && | |
1158 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1159 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1160 | ||
b98fb44f | 1161 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
82c0cc90 | 1162 | !sdata->u.mgd.tdls_wider_bw_prohibited && |
b98fb44f AN |
1163 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && |
1164 | params->ext_capab_len >= 8 && | |
1165 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1166 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1167 | ||
3b9ce80c JB |
1168 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1169 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1170 | sta->sta.max_sp = params->max_sp; | |
1171 | } | |
9533b4ac | 1172 | |
51b50fbe JB |
1173 | /* |
1174 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1175 | * only when creating a new station entry | |
1176 | */ | |
1177 | if (params->aid) | |
1178 | sta->sta.aid = params->aid; | |
1179 | ||
73651ee6 | 1180 | /* |
ba23d206 JB |
1181 | * Some of the following updates would be racy if called on an |
1182 | * existing station, via ieee80211_change_station(). However, | |
1183 | * all such changes are rejected by cfg80211 except for updates | |
1184 | * changing the supported rates on an existing but not yet used | |
1185 | * TDLS peer. | |
73651ee6 JB |
1186 | */ |
1187 | ||
4fd6931e JB |
1188 | if (params->listen_interval >= 0) |
1189 | sta->listen_interval = params->listen_interval; | |
1190 | ||
1191 | if (params->supported_rates) { | |
2103dec1 SW |
1192 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1193 | sband, params->supported_rates, | |
1194 | params->supported_rates_len, | |
1195 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1196 | } |
c5dd9c2b | 1197 | |
d9fe60de | 1198 | if (params->ht_capa) |
ef96a842 | 1199 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1200 | params->ht_capa, sta); |
36aedc90 | 1201 | |
f461be3e MP |
1202 | if (params->vht_capa) |
1203 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1204 | params->vht_capa, sta); |
f461be3e | 1205 | |
b1bce14a | 1206 | if (params->opmode_notif_used) { |
b1bce14a MK |
1207 | /* returned value is only needed for rc update, but the |
1208 | * rc isn't initialized here yet, so ignore it | |
1209 | */ | |
1210 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1211 | params->opmode_notif, | |
1212 | band, false); | |
1213 | } | |
1214 | ||
13657702 JB |
1215 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1216 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1217 | |
68885a54 | 1218 | /* set the STA state after all sta info from usermode has been set */ |
44674d9c AB |
1219 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || |
1220 | set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { | |
68885a54 AN |
1221 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1222 | if (ret) | |
1223 | return ret; | |
1224 | } | |
1225 | ||
d9a7ddb0 | 1226 | return 0; |
4fd6931e JB |
1227 | } |
1228 | ||
1229 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1230 | const u8 *mac, |
1231 | struct station_parameters *params) | |
4fd6931e | 1232 | { |
14db74bc | 1233 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1234 | struct sta_info *sta; |
1235 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1236 | int err; |
b8d476c8 | 1237 | int layer2_update; |
4fd6931e | 1238 | |
4fd6931e JB |
1239 | if (params->vlan) { |
1240 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1241 | ||
05c914fe JB |
1242 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1243 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1244 | return -EINVAL; |
1245 | } else | |
1246 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1247 | ||
b203ca39 | 1248 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1249 | return -EINVAL; |
1250 | ||
1251 | if (is_multicast_ether_addr(mac)) | |
1252 | return -EINVAL; | |
1253 | ||
1254 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1255 | if (!sta) |
1256 | return -ENOMEM; | |
4fd6931e | 1257 | |
d582cffb JB |
1258 | /* |
1259 | * defaults -- if userspace wants something else we'll | |
1260 | * change it accordingly in sta_apply_parameters() | |
1261 | */ | |
44674d9c AB |
1262 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
1263 | !(params->sta_flags_set & (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1264 | BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
77ee7c89 JB |
1265 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1266 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
1267 | } | |
44674d9c AB |
1268 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
1269 | sta->sta.tdls = true; | |
4fd6931e | 1270 | |
d9a7ddb0 JB |
1271 | err = sta_apply_parameters(local, sta, params); |
1272 | if (err) { | |
1273 | sta_info_free(local, sta); | |
1274 | return err; | |
1275 | } | |
4fd6931e | 1276 | |
d64cf63e | 1277 | /* |
44674d9c AB |
1278 | * for TDLS and for unassociated station, rate control should be |
1279 | * initialized only when rates are known and station is marked | |
1280 | * authorized/associated | |
d64cf63e | 1281 | */ |
44674d9c AB |
1282 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1283 | test_sta_flag(sta, WLAN_STA_ASSOC)) | |
d64cf63e | 1284 | rate_control_rate_init(sta); |
4fd6931e | 1285 | |
b8d476c8 JM |
1286 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1287 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1288 | ||
34e89507 | 1289 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1290 | if (err) { |
73651ee6 JB |
1291 | rcu_read_unlock(); |
1292 | return err; | |
1293 | } | |
1294 | ||
b8d476c8 | 1295 | if (layer2_update) |
73651ee6 JB |
1296 | ieee80211_send_layer2_update(sta); |
1297 | ||
1298 | rcu_read_unlock(); | |
1299 | ||
4fd6931e JB |
1300 | return 0; |
1301 | } | |
1302 | ||
1303 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1304 | struct station_del_parameters *params) |
4fd6931e | 1305 | { |
14db74bc | 1306 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1307 | |
14db74bc JB |
1308 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1309 | ||
89c771e5 JM |
1310 | if (params->mac) |
1311 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1312 | |
b998e8bb | 1313 | sta_info_flush(sdata); |
4fd6931e JB |
1314 | return 0; |
1315 | } | |
1316 | ||
1317 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1318 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1319 | struct station_parameters *params) |
1320 | { | |
abe60632 | 1321 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1322 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1323 | struct sta_info *sta; |
1324 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1325 | enum cfg80211_station_type statype; |
35b88623 | 1326 | int err; |
4fd6931e | 1327 | |
87be1e1e | 1328 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1329 | |
0e5ded5a | 1330 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1331 | if (!sta) { |
77ee7c89 JB |
1332 | err = -ENOENT; |
1333 | goto out_err; | |
98dd6a57 | 1334 | } |
4fd6931e | 1335 | |
77ee7c89 JB |
1336 | switch (sdata->vif.type) { |
1337 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1338 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1339 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1340 | else |
eef941e6 | 1341 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1342 | break; |
1343 | case NL80211_IFTYPE_ADHOC: | |
1344 | statype = CFG80211_STA_IBSS; | |
1345 | break; | |
1346 | case NL80211_IFTYPE_STATION: | |
1347 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1348 | statype = CFG80211_STA_AP_STA; | |
1349 | break; | |
1350 | } | |
1351 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1352 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1353 | else | |
1354 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1355 | break; | |
1356 | case NL80211_IFTYPE_AP: | |
1357 | case NL80211_IFTYPE_AP_VLAN: | |
44674d9c AB |
1358 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
1359 | statype = CFG80211_STA_AP_CLIENT; | |
1360 | else | |
1361 | statype = CFG80211_STA_AP_CLIENT_UNASSOC; | |
77ee7c89 JB |
1362 | break; |
1363 | default: | |
1364 | err = -EOPNOTSUPP; | |
1365 | goto out_err; | |
bdd90d5e JB |
1366 | } |
1367 | ||
77ee7c89 JB |
1368 | err = cfg80211_check_station_change(wiphy, params, statype); |
1369 | if (err) | |
1370 | goto out_err; | |
1371 | ||
d0709a65 | 1372 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1373 | bool prev_4addr = false; |
1374 | bool new_4addr = false; | |
1375 | ||
4fd6931e JB |
1376 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1377 | ||
9bc383de | 1378 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1379 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1380 | err = -EBUSY; |
1381 | goto out_err; | |
3305443c | 1382 | } |
f14543ee | 1383 | |
cf778b00 | 1384 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1385 | new_4addr = true; |
1386 | } | |
1387 | ||
1388 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1389 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1390 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1391 | prev_4addr = true; |
f14543ee FF |
1392 | } |
1393 | ||
14db74bc | 1394 | sta->sdata = vlansdata; |
464daaf0 | 1395 | ieee80211_check_fast_xmit(sta); |
7e3ed02c FF |
1396 | |
1397 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1398 | prev_4addr != new_4addr) { | |
1399 | if (new_4addr) | |
1400 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1401 | else | |
1402 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1403 | } | |
1404 | ||
4fd6931e JB |
1405 | ieee80211_send_layer2_update(sta); |
1406 | } | |
1407 | ||
35b88623 | 1408 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1409 | if (err) |
1410 | goto out_err; | |
4fd6931e | 1411 | |
87be1e1e | 1412 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1413 | |
687da132 EG |
1414 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1415 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1416 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1417 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1418 | sta_info_tx_streams(sta) != 1) { | |
1419 | ht_dbg(sta->sdata, | |
1420 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1421 | sta->sta.addr); | |
1422 | ieee80211_send_smps_action(sta->sdata, | |
1423 | sta->sdata->bss->req_smps, | |
1424 | sta->sta.addr, | |
1425 | sta->sdata->vif.bss_conf.bssid); | |
1426 | } | |
1427 | ||
808118cb | 1428 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1429 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1430 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1431 | ieee80211_recalc_ps_vif(sdata); |
1432 | } | |
77ee7c89 | 1433 | |
4fd6931e | 1434 | return 0; |
77ee7c89 JB |
1435 | out_err: |
1436 | mutex_unlock(&local->sta_mtx); | |
1437 | return err; | |
4fd6931e JB |
1438 | } |
1439 | ||
c5dd9c2b LCC |
1440 | #ifdef CONFIG_MAC80211_MESH |
1441 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1442 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1443 | { |
14db74bc | 1444 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1445 | struct mesh_path *mpath; |
1446 | struct sta_info *sta; | |
c5dd9c2b | 1447 | |
14db74bc JB |
1448 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1449 | ||
d0709a65 | 1450 | rcu_read_lock(); |
abe60632 | 1451 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1452 | if (!sta) { |
1453 | rcu_read_unlock(); | |
c5dd9c2b | 1454 | return -ENOENT; |
d0709a65 | 1455 | } |
c5dd9c2b | 1456 | |
ae76eef0 BC |
1457 | mpath = mesh_path_add(sdata, dst); |
1458 | if (IS_ERR(mpath)) { | |
d0709a65 | 1459 | rcu_read_unlock(); |
ae76eef0 | 1460 | return PTR_ERR(mpath); |
d0709a65 | 1461 | } |
c5dd9c2b | 1462 | |
c5dd9c2b | 1463 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1464 | |
c5dd9c2b LCC |
1465 | rcu_read_unlock(); |
1466 | return 0; | |
1467 | } | |
1468 | ||
1469 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1470 | const u8 *dst) |
c5dd9c2b | 1471 | { |
f698d856 JBG |
1472 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1473 | ||
c5dd9c2b | 1474 | if (dst) |
bf7cd94d | 1475 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1476 | |
ece1a2e7 | 1477 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1478 | return 0; |
1479 | } | |
1480 | ||
3b3a0162 JB |
1481 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1482 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1483 | { |
14db74bc | 1484 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1485 | struct mesh_path *mpath; |
1486 | struct sta_info *sta; | |
1487 | ||
14db74bc JB |
1488 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1489 | ||
d0709a65 JB |
1490 | rcu_read_lock(); |
1491 | ||
abe60632 | 1492 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1493 | if (!sta) { |
1494 | rcu_read_unlock(); | |
c5dd9c2b | 1495 | return -ENOENT; |
d0709a65 | 1496 | } |
c5dd9c2b | 1497 | |
bf7cd94d | 1498 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1499 | if (!mpath) { |
1500 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1501 | return -ENOENT; |
1502 | } | |
1503 | ||
1504 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1505 | |
c5dd9c2b LCC |
1506 | rcu_read_unlock(); |
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1511 | struct mpath_info *pinfo) | |
1512 | { | |
a3836e02 JB |
1513 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1514 | ||
1515 | if (next_hop_sta) | |
1516 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b | 1517 | else |
c84a67a2 | 1518 | eth_zero_addr(next_hop); |
c5dd9c2b | 1519 | |
7ce8c7a3 LAYS |
1520 | memset(pinfo, 0, sizeof(*pinfo)); |
1521 | ||
f5ea9120 JB |
1522 | pinfo->generation = mesh_paths_generation; |
1523 | ||
c5dd9c2b | 1524 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1525 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1526 | MPATH_INFO_METRIC | |
1527 | MPATH_INFO_EXPTIME | | |
1528 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1529 | MPATH_INFO_DISCOVERY_RETRIES | | |
1530 | MPATH_INFO_FLAGS; | |
1531 | ||
1532 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1533 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1534 | pinfo->metric = mpath->metric; |
1535 | if (time_before(jiffies, mpath->exp_time)) | |
1536 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1537 | pinfo->discovery_timeout = | |
1538 | jiffies_to_msecs(mpath->discovery_timeout); | |
1539 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1540 | if (mpath->flags & MESH_PATH_ACTIVE) |
1541 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1542 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1543 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1544 | if (mpath->flags & MESH_PATH_SN_VALID) |
1545 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1546 | if (mpath->flags & MESH_PATH_FIXED) |
1547 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1548 | if (mpath->flags & MESH_PATH_RESOLVED) |
1549 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1550 | } |
1551 | ||
1552 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1553 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1554 | ||
1555 | { | |
14db74bc | 1556 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1557 | struct mesh_path *mpath; |
1558 | ||
14db74bc JB |
1559 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1560 | ||
c5dd9c2b | 1561 | rcu_read_lock(); |
bf7cd94d | 1562 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1563 | if (!mpath) { |
1564 | rcu_read_unlock(); | |
1565 | return -ENOENT; | |
1566 | } | |
1567 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1568 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1569 | rcu_read_unlock(); | |
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1574 | int idx, u8 *dst, u8 *next_hop, |
1575 | struct mpath_info *pinfo) | |
c5dd9c2b | 1576 | { |
14db74bc | 1577 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1578 | struct mesh_path *mpath; |
1579 | ||
14db74bc JB |
1580 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1581 | ||
c5dd9c2b | 1582 | rcu_read_lock(); |
bf7cd94d | 1583 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1584 | if (!mpath) { |
1585 | rcu_read_unlock(); | |
1586 | return -ENOENT; | |
1587 | } | |
1588 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1589 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1590 | rcu_read_unlock(); | |
1591 | return 0; | |
1592 | } | |
93da9cc1 | 1593 | |
a2db2ed3 HR |
1594 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1595 | struct mpath_info *pinfo) | |
1596 | { | |
1597 | memset(pinfo, 0, sizeof(*pinfo)); | |
1598 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1599 | ||
1600 | pinfo->generation = mpp_paths_generation; | |
1601 | } | |
1602 | ||
1603 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1604 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1605 | ||
1606 | { | |
1607 | struct ieee80211_sub_if_data *sdata; | |
1608 | struct mesh_path *mpath; | |
1609 | ||
1610 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1611 | ||
1612 | rcu_read_lock(); | |
1613 | mpath = mpp_path_lookup(sdata, dst); | |
1614 | if (!mpath) { | |
1615 | rcu_read_unlock(); | |
1616 | return -ENOENT; | |
1617 | } | |
1618 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1619 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1620 | rcu_read_unlock(); | |
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1625 | int idx, u8 *dst, u8 *mpp, | |
1626 | struct mpath_info *pinfo) | |
1627 | { | |
1628 | struct ieee80211_sub_if_data *sdata; | |
1629 | struct mesh_path *mpath; | |
1630 | ||
1631 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1632 | ||
1633 | rcu_read_lock(); | |
1634 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1635 | if (!mpath) { | |
1636 | rcu_read_unlock(); | |
1637 | return -ENOENT; | |
1638 | } | |
1639 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1640 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1641 | rcu_read_unlock(); | |
1642 | return 0; | |
1643 | } | |
1644 | ||
24bdd9f4 | 1645 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1646 | struct net_device *dev, |
1647 | struct mesh_config *conf) | |
1648 | { | |
1649 | struct ieee80211_sub_if_data *sdata; | |
1650 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1651 | ||
93da9cc1 | 1652 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1653 | return 0; | |
1654 | } | |
1655 | ||
1656 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1657 | { | |
1658 | return (mask >> (parm-1)) & 0x1; | |
1659 | } | |
1660 | ||
c80d545d JC |
1661 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1662 | const struct mesh_setup *setup) | |
1663 | { | |
1664 | u8 *new_ie; | |
1665 | const u8 *old_ie; | |
4bb62344 CYY |
1666 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1667 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1668 | |
581a8b0f | 1669 | /* allocate information elements */ |
c80d545d | 1670 | new_ie = NULL; |
581a8b0f | 1671 | old_ie = ifmsh->ie; |
c80d545d | 1672 | |
581a8b0f JC |
1673 | if (setup->ie_len) { |
1674 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1675 | GFP_KERNEL); |
1676 | if (!new_ie) | |
1677 | return -ENOMEM; | |
1678 | } | |
581a8b0f JC |
1679 | ifmsh->ie_len = setup->ie_len; |
1680 | ifmsh->ie = new_ie; | |
1681 | kfree(old_ie); | |
c80d545d JC |
1682 | |
1683 | /* now copy the rest of the setup parameters */ | |
1684 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1685 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1686 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1687 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1688 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1689 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1690 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1691 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1692 | if (setup->is_authenticated) | |
1693 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1694 | if (setup->is_secure) | |
1695 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1696 | |
4bb62344 CYY |
1697 | /* mcast rate setting in Mesh Node */ |
1698 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1699 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1700 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1701 | |
9bdbf04d MP |
1702 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1703 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1704 | ||
c80d545d JC |
1705 | return 0; |
1706 | } | |
1707 | ||
24bdd9f4 | 1708 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1709 | struct net_device *dev, u32 mask, |
1710 | const struct mesh_config *nconf) | |
93da9cc1 | 1711 | { |
1712 | struct mesh_config *conf; | |
1713 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1714 | struct ieee80211_if_mesh *ifmsh; |
1715 | ||
93da9cc1 | 1716 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1717 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1718 | |
93da9cc1 | 1719 | /* Set the config options which we are interested in setting */ |
1720 | conf = &(sdata->u.mesh.mshcfg); | |
1721 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1722 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1723 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1724 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1725 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1726 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1727 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1728 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1729 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1730 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1731 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1732 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1733 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1734 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1735 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1736 | if (ifmsh->user_mpm) | |
1737 | return -EBUSY; | |
93da9cc1 | 1738 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1739 | } |
d299a1f2 JC |
1740 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1741 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1742 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1743 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1744 | conf->dot11MeshHWMPmaxPREQretries = | |
1745 | nconf->dot11MeshHWMPmaxPREQretries; | |
1746 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1747 | conf->path_refresh_time = nconf->path_refresh_time; | |
1748 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1749 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1750 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1751 | conf->dot11MeshHWMPactivePathTimeout = | |
1752 | nconf->dot11MeshHWMPactivePathTimeout; | |
1753 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1754 | conf->dot11MeshHWMPpreqMinInterval = | |
1755 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1756 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1757 | conf->dot11MeshHWMPperrMinInterval = | |
1758 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1759 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1760 | mask)) | |
1761 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1762 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1763 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1764 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1765 | ieee80211_mesh_root_setup(ifmsh); | |
1766 | } | |
16dd7267 | 1767 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1768 | /* our current gate announcement implementation rides on root |
1769 | * announcements, so require this ifmsh to also be a root node | |
1770 | * */ | |
1771 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1772 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1773 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1774 | ieee80211_mesh_root_setup(ifmsh); |
1775 | } | |
16dd7267 JC |
1776 | conf->dot11MeshGateAnnouncementProtocol = |
1777 | nconf->dot11MeshGateAnnouncementProtocol; | |
1778 | } | |
a4f606ea | 1779 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1780 | conf->dot11MeshHWMPRannInterval = |
1781 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1782 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1783 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1784 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1785 | /* our RSSI threshold implementation is supported only for | |
1786 | * devices that report signal in dBm. | |
1787 | */ | |
30686bf7 | 1788 | if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) |
55335137 AN |
1789 | return -ENOTSUPP; |
1790 | conf->rssi_threshold = nconf->rssi_threshold; | |
1791 | } | |
70c33eaa AN |
1792 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1793 | conf->ht_opmode = nconf->ht_opmode; | |
1794 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1795 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1796 | } | |
ac1073a6 CYY |
1797 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1798 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1799 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1800 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1801 | conf->dot11MeshHWMProotInterval = | |
1802 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1803 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1804 | conf->dot11MeshHWMPconfirmationInterval = | |
1805 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1806 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1807 | conf->power_mode = nconf->power_mode; | |
1808 | ieee80211_mps_local_status_update(sdata); | |
1809 | } | |
2b5e1967 | 1810 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1811 | conf->dot11MeshAwakeWindowDuration = |
1812 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1813 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1814 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1815 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1816 | return 0; |
1817 | } | |
1818 | ||
29cbe68c JB |
1819 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1820 | const struct mesh_config *conf, | |
1821 | const struct mesh_setup *setup) | |
1822 | { | |
1823 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1824 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1825 | int err; |
29cbe68c | 1826 | |
c80d545d JC |
1827 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1828 | err = copy_mesh_setup(ifmsh, setup); | |
1829 | if (err) | |
1830 | return err; | |
cc1d2806 | 1831 | |
04ecd257 JB |
1832 | /* can mesh use other SMPS modes? */ |
1833 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1834 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1835 | ||
34a3740d | 1836 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1837 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1838 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1839 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1840 | if (err) |
1841 | return err; | |
1842 | ||
2b5e1967 | 1843 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1844 | } |
1845 | ||
1846 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1847 | { | |
1848 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1849 | ||
1850 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1851 | mutex_lock(&sdata->local->mtx); |
55de908a | 1852 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1853 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1854 | |
1855 | return 0; | |
1856 | } | |
c5dd9c2b LCC |
1857 | #endif |
1858 | ||
9f1ba906 JM |
1859 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1860 | struct net_device *dev, | |
1861 | struct bss_parameters *params) | |
1862 | { | |
55de908a JB |
1863 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1864 | enum ieee80211_band band; | |
9f1ba906 JM |
1865 | u32 changed = 0; |
1866 | ||
7ca133bc | 1867 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1868 | return -ENOENT; |
1869 | ||
1870 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1871 | |
9f1ba906 | 1872 | if (params->use_cts_prot >= 0) { |
bda3933a | 1873 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1874 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1875 | } | |
1876 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1877 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1878 | params->use_short_preamble; |
1879 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1880 | } | |
43d35343 FF |
1881 | |
1882 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1883 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1884 | sdata->vif.bss_conf.use_short_slot = true; |
1885 | changed |= BSS_CHANGED_ERP_SLOT; | |
1886 | } | |
1887 | ||
9f1ba906 | 1888 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1889 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1890 | params->use_short_slot_time; |
1891 | changed |= BSS_CHANGED_ERP_SLOT; | |
1892 | } | |
1893 | ||
90c97a04 | 1894 | if (params->basic_rates) { |
2103dec1 SW |
1895 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1896 | wiphy->bands[band], | |
1897 | params->basic_rates, | |
1898 | params->basic_rates_len, | |
1899 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
1900 | changed |= BSS_CHANGED_BASIC_RATES; |
1901 | } | |
1902 | ||
7b7b5e56 FF |
1903 | if (params->ap_isolate >= 0) { |
1904 | if (params->ap_isolate) | |
1905 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1906 | else | |
1907 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1908 | } | |
1909 | ||
80d7e403 HS |
1910 | if (params->ht_opmode >= 0) { |
1911 | sdata->vif.bss_conf.ht_operation_mode = | |
1912 | (u16) params->ht_opmode; | |
1913 | changed |= BSS_CHANGED_HT; | |
1914 | } | |
1915 | ||
339afbf4 | 1916 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1917 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1918 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1919 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1920 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1921 | changed |= BSS_CHANGED_P2P_PS; |
1922 | } | |
1923 | ||
67baf663 JD |
1924 | if (params->p2p_opp_ps > 0) { |
1925 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1926 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1927 | changed |= BSS_CHANGED_P2P_PS; | |
1928 | } else if (params->p2p_opp_ps == 0) { | |
1929 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1930 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1931 | changed |= BSS_CHANGED_P2P_PS; |
1932 | } | |
1933 | ||
9f1ba906 JM |
1934 | ieee80211_bss_info_change_notify(sdata, changed); |
1935 | ||
1936 | return 0; | |
1937 | } | |
1938 | ||
31888487 | 1939 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1940 | struct net_device *dev, |
31888487 JM |
1941 | struct ieee80211_txq_params *params) |
1942 | { | |
1943 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1944 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1945 | struct ieee80211_tx_queue_params p; |
1946 | ||
1947 | if (!local->ops->conf_tx) | |
1948 | return -EOPNOTSUPP; | |
1949 | ||
54bcbc69 JB |
1950 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1951 | return -EOPNOTSUPP; | |
1952 | ||
31888487 JM |
1953 | memset(&p, 0, sizeof(p)); |
1954 | p.aifs = params->aifs; | |
1955 | p.cw_max = params->cwmax; | |
1956 | p.cw_min = params->cwmin; | |
1957 | p.txop = params->txop; | |
ab13315a KV |
1958 | |
1959 | /* | |
1960 | * Setting tx queue params disables u-apsd because it's only | |
1961 | * called in master mode. | |
1962 | */ | |
1963 | p.uapsd = false; | |
1964 | ||
a3304b0a JB |
1965 | sdata->tx_conf[params->ac] = p; |
1966 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1967 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1968 | "failed to set TX queue parameters for AC %d\n", |
1969 | params->ac); | |
31888487 JM |
1970 | return -EINVAL; |
1971 | } | |
1972 | ||
7d25745d JB |
1973 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1974 | ||
31888487 JM |
1975 | return 0; |
1976 | } | |
1977 | ||
665af4fc | 1978 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1979 | static int ieee80211_suspend(struct wiphy *wiphy, |
1980 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1981 | { |
eecc4800 | 1982 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1983 | } |
1984 | ||
1985 | static int ieee80211_resume(struct wiphy *wiphy) | |
1986 | { | |
1987 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1988 | } | |
1989 | #else | |
1990 | #define ieee80211_suspend NULL | |
1991 | #define ieee80211_resume NULL | |
1992 | #endif | |
1993 | ||
2a519311 | 1994 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1995 | struct cfg80211_scan_request *req) |
1996 | { | |
fd014284 JB |
1997 | struct ieee80211_sub_if_data *sdata; |
1998 | ||
1999 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2000 | |
2ca27bcf JB |
2001 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2002 | case NL80211_IFTYPE_STATION: | |
2003 | case NL80211_IFTYPE_ADHOC: | |
2004 | case NL80211_IFTYPE_MESH_POINT: | |
2005 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2006 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2007 | break; |
2008 | case NL80211_IFTYPE_P2P_GO: | |
2009 | if (sdata->local->ops->hw_scan) | |
2010 | break; | |
e9d7732e JB |
2011 | /* |
2012 | * FIXME: implement NoA while scanning in software, | |
2013 | * for now fall through to allow scanning only when | |
2014 | * beaconing hasn't been configured yet | |
2015 | */ | |
2ca27bcf | 2016 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2017 | /* |
2018 | * If the scan has been forced (and the driver supports | |
2019 | * forcing), don't care about being beaconing already. | |
2020 | * This will create problems to the attached stations (e.g. all | |
2021 | * the frames sent while scanning on other channel will be | |
2022 | * lost) | |
2023 | */ | |
2024 | if (sdata->u.ap.beacon && | |
2025 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2026 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2027 | return -EOPNOTSUPP; |
2028 | break; | |
2029 | default: | |
2030 | return -EOPNOTSUPP; | |
2031 | } | |
2a519311 JB |
2032 | |
2033 | return ieee80211_request_scan(sdata, req); | |
2034 | } | |
2035 | ||
79f460ca LC |
2036 | static int |
2037 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2038 | struct net_device *dev, | |
2039 | struct cfg80211_sched_scan_request *req) | |
2040 | { | |
2041 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2042 | ||
2043 | if (!sdata->local->ops->sched_scan_start) | |
2044 | return -EOPNOTSUPP; | |
2045 | ||
2046 | return ieee80211_request_sched_scan_start(sdata, req); | |
2047 | } | |
2048 | ||
2049 | static int | |
85a9994a | 2050 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2051 | { |
2052 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2053 | ||
2054 | if (!sdata->local->ops->sched_scan_stop) | |
2055 | return -EOPNOTSUPP; | |
2056 | ||
85a9994a | 2057 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2058 | } |
2059 | ||
636a5d36 JM |
2060 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2061 | struct cfg80211_auth_request *req) | |
2062 | { | |
77fdaa12 | 2063 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2064 | } |
2065 | ||
2066 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2067 | struct cfg80211_assoc_request *req) | |
2068 | { | |
77fdaa12 | 2069 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2070 | } |
2071 | ||
2072 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2073 | struct cfg80211_deauth_request *req) |
636a5d36 | 2074 | { |
63c9c5e7 | 2075 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2076 | } |
2077 | ||
2078 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2079 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2080 | { |
63c9c5e7 | 2081 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2082 | } |
2083 | ||
af8cdcd8 JB |
2084 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2085 | struct cfg80211_ibss_params *params) | |
2086 | { | |
55de908a | 2087 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2088 | } |
2089 | ||
2090 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2091 | { | |
55de908a | 2092 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2093 | } |
2094 | ||
239281f8 RL |
2095 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2096 | struct ocb_setup *setup) | |
2097 | { | |
2098 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2099 | } | |
2100 | ||
2101 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2102 | { | |
2103 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2104 | } | |
2105 | ||
391e53e3 AQ |
2106 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2107 | int rate[IEEE80211_NUM_BANDS]) | |
2108 | { | |
2109 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2110 | ||
9887dbf5 CD |
2111 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2112 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2113 | |
2114 | return 0; | |
2115 | } | |
2116 | ||
b9a5f8ca JM |
2117 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2118 | { | |
2119 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2120 | int err; |
b9a5f8ca | 2121 | |
f23a4780 | 2122 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2123 | ieee80211_check_fast_xmit_all(local); |
2124 | ||
f23a4780 AN |
2125 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2126 | ||
17c18bf8 JB |
2127 | if (err) { |
2128 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2129 | return err; |
17c18bf8 | 2130 | } |
f23a4780 AN |
2131 | } |
2132 | ||
a4bcaf55 LB |
2133 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2134 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2135 | s16 coverage_class; | |
2136 | ||
2137 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2138 | wiphy->coverage_class : -1; | |
2139 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2140 | |
2141 | if (err) | |
2142 | return err; | |
2143 | } | |
2144 | ||
b9a5f8ca | 2145 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2146 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2147 | |
24487981 JB |
2148 | if (err) |
2149 | return err; | |
b9a5f8ca JM |
2150 | } |
2151 | ||
8bc83c24 JB |
2152 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2153 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2154 | return -EINVAL; | |
b9a5f8ca | 2155 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2156 | } |
2157 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2158 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2159 | return -EINVAL; | |
b9a5f8ca | 2160 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2161 | } |
b9a5f8ca JM |
2162 | if (changed & |
2163 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2164 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2165 | ||
2166 | return 0; | |
2167 | } | |
2168 | ||
7643a2c3 | 2169 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2170 | struct wireless_dev *wdev, |
fa61cf70 | 2171 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2172 | { |
2173 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2174 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2175 | enum nl80211_tx_power_setting txp_type = type; |
2176 | bool update_txp_type = false; | |
7643a2c3 | 2177 | |
1ea6f9c0 JB |
2178 | if (wdev) { |
2179 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2180 | ||
2181 | switch (type) { | |
2182 | case NL80211_TX_POWER_AUTOMATIC: | |
2183 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2184 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2185 | break; |
2186 | case NL80211_TX_POWER_LIMITED: | |
2187 | case NL80211_TX_POWER_FIXED: | |
2188 | if (mbm < 0 || (mbm % 100)) | |
2189 | return -EOPNOTSUPP; | |
2190 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2191 | break; | |
2192 | } | |
2193 | ||
db82d8a9 LB |
2194 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2195 | update_txp_type = true; | |
2196 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2197 | } | |
2198 | ||
2199 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2200 | |
2201 | return 0; | |
2202 | } | |
55de908a | 2203 | |
7643a2c3 | 2204 | switch (type) { |
fa61cf70 | 2205 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2206 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2207 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2208 | break; |
fa61cf70 | 2209 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2210 | case NL80211_TX_POWER_FIXED: |
2211 | if (mbm < 0 || (mbm % 100)) | |
2212 | return -EOPNOTSUPP; | |
fa61cf70 | 2213 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2214 | break; |
7643a2c3 JB |
2215 | } |
2216 | ||
1ea6f9c0 | 2217 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2218 | list_for_each_entry(sdata, &local->interfaces, list) { |
1ea6f9c0 | 2219 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2220 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2221 | update_txp_type = true; | |
2222 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2223 | } | |
1ea6f9c0 | 2224 | list_for_each_entry(sdata, &local->interfaces, list) |
db82d8a9 | 2225 | ieee80211_recalc_txpower(sdata, update_txp_type); |
1ea6f9c0 | 2226 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 JB |
2227 | |
2228 | return 0; | |
2229 | } | |
2230 | ||
c8442118 JB |
2231 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2232 | struct wireless_dev *wdev, | |
2233 | int *dbm) | |
7643a2c3 JB |
2234 | { |
2235 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2236 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2237 | |
5b3dc42b FF |
2238 | if (local->ops->get_txpower) |
2239 | return drv_get_txpower(local, sdata, dbm); | |
2240 | ||
1ea6f9c0 JB |
2241 | if (!local->use_chanctx) |
2242 | *dbm = local->hw.conf.power_level; | |
2243 | else | |
2244 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2245 | |
7643a2c3 JB |
2246 | return 0; |
2247 | } | |
2248 | ||
ab737a4f | 2249 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2250 | const u8 *addr) |
ab737a4f JB |
2251 | { |
2252 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2253 | ||
2254 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2255 | ||
2256 | return 0; | |
2257 | } | |
2258 | ||
1f87f7d3 JB |
2259 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2260 | { | |
2261 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2262 | ||
2263 | drv_rfkill_poll(local); | |
2264 | } | |
2265 | ||
aff89a9b | 2266 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2267 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2268 | struct wireless_dev *wdev, | |
2269 | void *data, int len) | |
aff89a9b JB |
2270 | { |
2271 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2272 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2273 | |
2274 | if (!local->ops->testmode_cmd) | |
2275 | return -EOPNOTSUPP; | |
2276 | ||
52981cd7 DS |
2277 | if (wdev) { |
2278 | struct ieee80211_sub_if_data *sdata; | |
2279 | ||
2280 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2281 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2282 | vif = &sdata->vif; | |
2283 | } | |
2284 | ||
2285 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2286 | } |
71063f0e WYG |
2287 | |
2288 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2289 | struct sk_buff *skb, | |
2290 | struct netlink_callback *cb, | |
2291 | void *data, int len) | |
2292 | { | |
2293 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2294 | ||
2295 | if (!local->ops->testmode_dump) | |
2296 | return -EOPNOTSUPP; | |
2297 | ||
2298 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2299 | } | |
aff89a9b JB |
2300 | #endif |
2301 | ||
687da132 EG |
2302 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2303 | enum ieee80211_smps_mode smps_mode) | |
2304 | { | |
2305 | struct sta_info *sta; | |
2306 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2307 | |
2308 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2309 | return -EINVAL; | |
2310 | ||
2311 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2312 | return 0; | |
2313 | ||
2314 | old_req = sdata->u.ap.req_smps; | |
2315 | sdata->u.ap.req_smps = smps_mode; | |
2316 | ||
2317 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2318 | if (old_req == smps_mode || | |
2319 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2320 | return 0; | |
2321 | ||
2322 | /* If no associated stations, there's no need to do anything */ | |
2323 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2324 | sdata->smps_mode = smps_mode; | |
2325 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2326 | return 0; | |
2327 | } | |
2328 | ||
2329 | ht_dbg(sdata, | |
6a8b4adb | 2330 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2331 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2332 | ||
2333 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2334 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2335 | /* | |
2336 | * Only stations associated to our AP and | |
2337 | * associated VLANs | |
2338 | */ | |
2339 | if (sta->sdata->bss != &sdata->u.ap) | |
2340 | continue; | |
687da132 | 2341 | |
7d9bb2f0 JB |
2342 | /* This station doesn't support MIMO - skip it */ |
2343 | if (sta_info_tx_streams(sta) == 1) | |
2344 | continue; | |
687da132 | 2345 | |
7d9bb2f0 JB |
2346 | /* |
2347 | * Don't wake up a STA just to send the action frame | |
2348 | * unless we are getting more restrictive. | |
2349 | */ | |
2350 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2351 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2352 | smps_mode)) { | |
2353 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2354 | sta->sta.addr); | |
2355 | continue; | |
2356 | } | |
687da132 | 2357 | |
7d9bb2f0 JB |
2358 | /* |
2359 | * If the STA is not authorized, wait until it gets | |
2360 | * authorized and the action frame will be sent then. | |
2361 | */ | |
2362 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2363 | continue; | |
687da132 | 2364 | |
7d9bb2f0 JB |
2365 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2366 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2367 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2368 | } |
2369 | mutex_unlock(&sdata->local->sta_mtx); | |
2370 | ||
2371 | sdata->smps_mode = smps_mode; | |
2372 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2373 | ||
2374 | return 0; | |
2375 | } | |
2376 | ||
2377 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2378 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2379 | { |
2380 | const u8 *ap; | |
2381 | enum ieee80211_smps_mode old_req; | |
2382 | int err; | |
d51c2ea3 AN |
2383 | struct sta_info *sta; |
2384 | bool tdls_peer_found = false; | |
0f78231b | 2385 | |
8d61ffa5 | 2386 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2387 | |
687da132 EG |
2388 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2389 | return -EINVAL; | |
2390 | ||
0f78231b JB |
2391 | old_req = sdata->u.mgd.req_smps; |
2392 | sdata->u.mgd.req_smps = smps_mode; | |
2393 | ||
2394 | if (old_req == smps_mode && | |
2395 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2396 | return 0; | |
2397 | ||
2398 | /* | |
2399 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2400 | * association, there's no need to do anything, just store |
2401 | * the new value until we associate. | |
0f78231b JB |
2402 | */ |
2403 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2404 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2405 | return 0; |
0f78231b | 2406 | |
0c1ad2ca | 2407 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2408 | |
d51c2ea3 AN |
2409 | rcu_read_lock(); |
2410 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2411 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2412 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2413 | continue; | |
2414 | ||
2415 | tdls_peer_found = true; | |
2416 | break; | |
2417 | } | |
2418 | rcu_read_unlock(); | |
2419 | ||
0f78231b | 2420 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2421 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2422 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2423 | else |
2424 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2425 | } |
2426 | ||
2427 | /* send SM PS frame to AP */ | |
2428 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2429 | ap, ap); | |
2430 | if (err) | |
2431 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2432 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2433 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2434 | |
2435 | return err; | |
2436 | } | |
2437 | ||
bc92afd9 JB |
2438 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2439 | bool enabled, int timeout) | |
2440 | { | |
2441 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2442 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2443 | |
2d3db210 | 2444 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2445 | return -EOPNOTSUPP; |
2446 | ||
30686bf7 | 2447 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2448 | return -EOPNOTSUPP; |
2449 | ||
2450 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2451 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2452 | return 0; |
2453 | ||
2454 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2455 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2456 | |
0f78231b | 2457 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2458 | sdata_lock(sdata); |
687da132 | 2459 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2460 | sdata_unlock(sdata); |
0f78231b | 2461 | |
30686bf7 | 2462 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2463 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2464 | ||
2465 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2466 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2467 | |
2468 | return 0; | |
2469 | } | |
2470 | ||
a97c13c3 JO |
2471 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2472 | struct net_device *dev, | |
2473 | s32 rssi_thold, u32 rssi_hyst) | |
2474 | { | |
2475 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2476 | struct ieee80211_vif *vif = &sdata->vif; |
2477 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2478 | ||
a97c13c3 JO |
2479 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2480 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2481 | return 0; | |
2482 | ||
ef9be10c JB |
2483 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && |
2484 | !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) | |
2485 | return -EOPNOTSUPP; | |
2486 | ||
a97c13c3 JO |
2487 | bss_conf->cqm_rssi_thold = rssi_thold; |
2488 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
babc305e | 2489 | sdata->u.mgd.last_cqm_event_signal = 0; |
a97c13c3 JO |
2490 | |
2491 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2492 | if (sdata->u.mgd.associated && |
2493 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2494 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2495 | ||
2496 | return 0; | |
2497 | } | |
2498 | ||
9930380f JB |
2499 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2500 | struct net_device *dev, | |
2501 | const u8 *addr, | |
2502 | const struct cfg80211_bitrate_mask *mask) | |
2503 | { | |
2504 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2505 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2506 | int i, ret; |
2c7e6bc9 | 2507 | |
554a43d5 EP |
2508 | if (!ieee80211_sdata_running(sdata)) |
2509 | return -ENETDOWN; | |
2510 | ||
30686bf7 | 2511 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
bdbfd6b5 SM |
2512 | ret = drv_set_bitrate_mask(local, sdata, mask); |
2513 | if (ret) | |
2514 | return ret; | |
2515 | } | |
9930380f | 2516 | |
19468413 | 2517 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2518 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2519 | int j; | |
2520 | ||
37eb0b16 | 2521 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2522 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2523 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2524 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2525 | mask->control[i].vht_mcs, | |
2526 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2527 | |
2528 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2529 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2530 | if (!sband) |
2531 | continue; | |
2532 | ||
b119ad6e | 2533 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2df1b131 | 2534 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
2ffbe6d3 | 2535 | sdata->rc_has_mcs_mask[i] = true; |
2df1b131 JB |
2536 | break; |
2537 | } | |
2538 | } | |
b119ad6e | 2539 | |
2df1b131 JB |
2540 | for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { |
2541 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { | |
b119ad6e | 2542 | sdata->rc_has_vht_mcs_mask[i] = true; |
2ffbe6d3 | 2543 | break; |
2df1b131 | 2544 | } |
b119ad6e | 2545 | } |
19468413 | 2546 | } |
9930380f | 2547 | |
37eb0b16 | 2548 | return 0; |
9930380f JB |
2549 | } |
2550 | ||
eaa336b0 EP |
2551 | static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local, |
2552 | struct ieee80211_roc_work *new_roc, | |
2553 | struct ieee80211_roc_work *cur_roc) | |
2554 | { | |
252ec2b3 JB |
2555 | unsigned long now = jiffies; |
2556 | unsigned long remaining = cur_roc->hw_start_time + | |
2557 | msecs_to_jiffies(cur_roc->duration) - | |
2558 | now; | |
eaa336b0 EP |
2559 | |
2560 | if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun)) | |
2561 | return false; | |
2562 | ||
252ec2b3 JB |
2563 | /* if it doesn't fit entirely, schedule a new one */ |
2564 | if (new_roc->duration > jiffies_to_msecs(remaining)) | |
eaa336b0 EP |
2565 | return false; |
2566 | ||
2567 | ieee80211_handle_roc_started(new_roc); | |
2568 | ||
252ec2b3 JB |
2569 | /* add to dependents so we send the expired event properly */ |
2570 | list_add_tail(&new_roc->list, &cur_roc->dependents); | |
eaa336b0 EP |
2571 | return true; |
2572 | } | |
2573 | ||
3b79af97 JB |
2574 | static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
2575 | { | |
2576 | lockdep_assert_held(&local->mtx); | |
2577 | ||
2578 | local->roc_cookie_counter++; | |
2579 | ||
2580 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2581 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
2582 | local->roc_cookie_counter++; | |
2583 | ||
2584 | return local->roc_cookie_counter; | |
2585 | } | |
2586 | ||
2eb278e0 JB |
2587 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2588 | struct ieee80211_sub_if_data *sdata, | |
2589 | struct ieee80211_channel *channel, | |
2eb278e0 | 2590 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2591 | struct sk_buff *txskb, |
2592 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2593 | { |
2594 | struct ieee80211_roc_work *roc, *tmp; | |
2595 | bool queued = false; | |
21f83589 | 2596 | int ret; |
21f83589 JB |
2597 | |
2598 | lockdep_assert_held(&local->mtx); | |
2599 | ||
fe57d9f5 JB |
2600 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2601 | return -EOPNOTSUPP; | |
2602 | ||
2eb278e0 JB |
2603 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2604 | if (!roc) | |
2605 | return -ENOMEM; | |
2606 | ||
2fae062e IP |
2607 | /* |
2608 | * If the duration is zero, then the driver | |
2609 | * wouldn't actually do anything. Set it to | |
2610 | * 10 for now. | |
2611 | * | |
2612 | * TODO: cancel the off-channel operation | |
2613 | * when we get the SKB's TX status and | |
2614 | * the wait time was zero before. | |
2615 | */ | |
2616 | if (!duration) | |
2617 | duration = 10; | |
2618 | ||
2eb278e0 | 2619 | roc->chan = channel; |
2eb278e0 JB |
2620 | roc->duration = duration; |
2621 | roc->req_duration = duration; | |
2622 | roc->frame = txskb; | |
d339d5ca | 2623 | roc->type = type; |
2eb278e0 JB |
2624 | roc->sdata = sdata; |
2625 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2626 | INIT_LIST_HEAD(&roc->dependents); | |
2627 | ||
2f617435 EP |
2628 | /* |
2629 | * cookie is either the roc cookie (for normal roc) | |
2630 | * or the SKB (for mgmt TX) | |
2631 | */ | |
2632 | if (!txskb) { | |
3b79af97 | 2633 | roc->cookie = ieee80211_mgmt_tx_cookie(local); |
2f617435 EP |
2634 | *cookie = roc->cookie; |
2635 | } else { | |
3b79af97 | 2636 | roc->mgmt_tx_cookie = *cookie; |
2f617435 EP |
2637 | } |
2638 | ||
2eb278e0 | 2639 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d | 2640 | if (!list_empty(&local->roc_list) || |
5cbc95a7 | 2641 | local->scanning || ieee80211_is_radar_required(local)) |
2eb278e0 JB |
2642 | goto out_check_combine; |
2643 | ||
2644 | /* if not HW assist, just queue & schedule work */ | |
2645 | if (!local->ops->remain_on_channel) { | |
2646 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2647 | goto out_queue; | |
2648 | } | |
2649 | ||
2650 | /* otherwise actually kick it off here (for error handling) */ | |
2651 | ||
d339d5ca | 2652 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2653 | if (ret) { |
2eb278e0 JB |
2654 | kfree(roc); |
2655 | return ret; | |
21f83589 JB |
2656 | } |
2657 | ||
2eb278e0 JB |
2658 | roc->started = true; |
2659 | goto out_queue; | |
2660 | ||
2661 | out_check_combine: | |
2662 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2663 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2664 | continue; |
2665 | ||
2666 | /* | |
2667 | * Extend this ROC if possible: | |
2668 | * | |
2669 | * If it hasn't started yet, just increase the duration | |
2670 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2671 | * If the type of the new ROC has higher priority, modify the |
2672 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2673 | */ |
2674 | if (!tmp->started) { | |
2675 | list_add_tail(&roc->list, &tmp->dependents); | |
2676 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2677 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2678 | queued = true; |
2679 | break; | |
2680 | } | |
2681 | ||
2682 | /* If it has already started, it's more difficult ... */ | |
2683 | if (local->ops->remain_on_channel) { | |
2eb278e0 JB |
2684 | /* |
2685 | * In the offloaded ROC case, if it hasn't begun, add | |
2686 | * this new one to the dependent list to be handled | |
d339d5ca | 2687 | * when the master one begins. If it has begun, |
252ec2b3 JB |
2688 | * check if it fits entirely within the existing one, |
2689 | * in which case it will just be dependent as well. | |
2690 | * Otherwise, schedule it by itself. | |
2eb278e0 JB |
2691 | */ |
2692 | if (!tmp->hw_begun) { | |
2693 | list_add_tail(&roc->list, &tmp->dependents); | |
2694 | queued = true; | |
2695 | break; | |
2696 | } | |
2697 | ||
eaa336b0 | 2698 | if (ieee80211_coalesce_started_roc(local, roc, tmp)) |
2eb278e0 | 2699 | queued = true; |
2eb278e0 JB |
2700 | } else if (del_timer_sync(&tmp->work.timer)) { |
2701 | unsigned long new_end; | |
2702 | ||
2703 | /* | |
2704 | * In the software ROC case, cancel the timer, if | |
2705 | * that fails then the finish work is already | |
2706 | * queued/pending and thus we queue the new ROC | |
2707 | * normally, if that succeeds then we can extend | |
2708 | * the timer duration and TX the frame (if any.) | |
2709 | */ | |
2710 | ||
2711 | list_add_tail(&roc->list, &tmp->dependents); | |
2712 | queued = true; | |
2713 | ||
2714 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2715 | ||
2716 | /* ok, it was started & we canceled timer */ | |
2717 | if (time_after(new_end, tmp->work.timer.expires)) | |
2718 | mod_timer(&tmp->work.timer, new_end); | |
2719 | else | |
2720 | add_timer(&tmp->work.timer); | |
2721 | ||
2722 | ieee80211_handle_roc_started(roc); | |
2723 | } | |
2724 | break; | |
2725 | } | |
2726 | ||
2727 | out_queue: | |
2728 | if (!queued) | |
2729 | list_add_tail(&roc->list, &local->roc_list); | |
2730 | ||
2eb278e0 | 2731 | return 0; |
21f83589 JB |
2732 | } |
2733 | ||
b8bc4b0a | 2734 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2735 | struct wireless_dev *wdev, |
b8bc4b0a | 2736 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2737 | unsigned int duration, |
2738 | u64 *cookie) | |
2739 | { | |
71bbc994 | 2740 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2741 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2742 | int ret; |
21f83589 | 2743 | |
2eb278e0 | 2744 | mutex_lock(&local->mtx); |
42d97a59 | 2745 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2746 | duration, cookie, NULL, |
2747 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2748 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2749 | |
2eb278e0 | 2750 | return ret; |
b8bc4b0a JB |
2751 | } |
2752 | ||
2eb278e0 JB |
2753 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2754 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2755 | { |
2eb278e0 | 2756 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2757 | int ret; |
2758 | ||
2eb278e0 JB |
2759 | mutex_lock(&local->mtx); |
2760 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2761 | struct ieee80211_roc_work *dep, *tmp2; |
2762 | ||
2763 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2764 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2765 | continue; |
2766 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2767 | continue; | |
2768 | /* found dependent item -- just remove it */ | |
2769 | list_del(&dep->list); | |
2770 | mutex_unlock(&local->mtx); | |
2771 | ||
3fbd45ca | 2772 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2773 | return 0; |
2774 | } | |
2775 | ||
50febf6a | 2776 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2777 | continue; |
2778 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2779 | continue; | |
21f83589 | 2780 | |
2eb278e0 JB |
2781 | found = roc; |
2782 | break; | |
2783 | } | |
21f83589 | 2784 | |
2eb278e0 JB |
2785 | if (!found) { |
2786 | mutex_unlock(&local->mtx); | |
2787 | return -ENOENT; | |
2788 | } | |
21f83589 | 2789 | |
e979e33c JB |
2790 | /* |
2791 | * We found the item to cancel, so do that. Note that it | |
2792 | * may have dependents, which we also cancel (and send | |
2793 | * the expired signal for.) Not doing so would be quite | |
2794 | * tricky here, but we may need to fix it later. | |
2795 | */ | |
2796 | ||
2eb278e0 JB |
2797 | if (local->ops->remain_on_channel) { |
2798 | if (found->started) { | |
2799 | ret = drv_cancel_remain_on_channel(local); | |
2800 | if (WARN_ON_ONCE(ret)) { | |
2801 | mutex_unlock(&local->mtx); | |
2802 | return ret; | |
2803 | } | |
2804 | } | |
21f83589 | 2805 | |
2eb278e0 | 2806 | list_del(&found->list); |
21f83589 | 2807 | |
0f6b3f59 JB |
2808 | if (found->started) |
2809 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2810 | mutex_unlock(&local->mtx); |
21f83589 | 2811 | |
3fbd45ca | 2812 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2813 | } else { |
2814 | /* work may be pending so use it all the time */ | |
2815 | found->abort = true; | |
2816 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2817 | |
21f83589 JB |
2818 | mutex_unlock(&local->mtx); |
2819 | ||
2eb278e0 JB |
2820 | /* work will clean up etc */ |
2821 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2822 | WARN_ON(!found->to_be_freed); |
2823 | kfree(found); | |
21f83589 | 2824 | } |
b8bc4b0a | 2825 | |
2eb278e0 | 2826 | return 0; |
b8bc4b0a JB |
2827 | } |
2828 | ||
2eb278e0 | 2829 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2830 | struct wireless_dev *wdev, |
2eb278e0 | 2831 | u64 cookie) |
f30221e4 | 2832 | { |
71bbc994 | 2833 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2834 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2835 | |
2eb278e0 | 2836 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2837 | } |
2838 | ||
164eb02d SW |
2839 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2840 | struct net_device *dev, | |
31559f35 JD |
2841 | struct cfg80211_chan_def *chandef, |
2842 | u32 cac_time_ms) | |
164eb02d SW |
2843 | { |
2844 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2845 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2846 | int err; |
2847 | ||
34a3740d JB |
2848 | mutex_lock(&local->mtx); |
2849 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2850 | err = -EBUSY; | |
2851 | goto out_unlock; | |
2852 | } | |
164eb02d SW |
2853 | |
2854 | /* whatever, but channel contexts should not complain about that one */ | |
2855 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2856 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2857 | |
164eb02d SW |
2858 | err = ieee80211_vif_use_channel(sdata, chandef, |
2859 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2860 | if (err) |
34a3740d | 2861 | goto out_unlock; |
164eb02d | 2862 | |
164eb02d | 2863 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2864 | &sdata->dfs_cac_timer_work, |
2865 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2866 | |
34a3740d JB |
2867 | out_unlock: |
2868 | mutex_unlock(&local->mtx); | |
2869 | return err; | |
164eb02d SW |
2870 | } |
2871 | ||
73da7d5b SW |
2872 | static struct cfg80211_beacon_data * |
2873 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2874 | { | |
2875 | struct cfg80211_beacon_data *new_beacon; | |
2876 | u8 *pos; | |
2877 | int len; | |
2878 | ||
2879 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2880 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2881 | beacon->probe_resp_len; | |
2882 | ||
2883 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2884 | if (!new_beacon) | |
2885 | return NULL; | |
2886 | ||
2887 | pos = (u8 *)(new_beacon + 1); | |
2888 | if (beacon->head_len) { | |
2889 | new_beacon->head_len = beacon->head_len; | |
2890 | new_beacon->head = pos; | |
2891 | memcpy(pos, beacon->head, beacon->head_len); | |
2892 | pos += beacon->head_len; | |
2893 | } | |
2894 | if (beacon->tail_len) { | |
2895 | new_beacon->tail_len = beacon->tail_len; | |
2896 | new_beacon->tail = pos; | |
2897 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2898 | pos += beacon->tail_len; | |
2899 | } | |
2900 | if (beacon->beacon_ies_len) { | |
2901 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2902 | new_beacon->beacon_ies = pos; | |
2903 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2904 | pos += beacon->beacon_ies_len; | |
2905 | } | |
2906 | if (beacon->proberesp_ies_len) { | |
2907 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2908 | new_beacon->proberesp_ies = pos; | |
2909 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2910 | pos += beacon->proberesp_ies_len; | |
2911 | } | |
2912 | if (beacon->assocresp_ies_len) { | |
2913 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2914 | new_beacon->assocresp_ies = pos; | |
2915 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2916 | pos += beacon->assocresp_ies_len; | |
2917 | } | |
2918 | if (beacon->probe_resp_len) { | |
2919 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2920 | beacon->probe_resp = pos; | |
2921 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2922 | pos += beacon->probe_resp_len; | |
2923 | } | |
2924 | ||
2925 | return new_beacon; | |
2926 | } | |
2927 | ||
66e01cf9 | 2928 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2929 | { |
66e01cf9 | 2930 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2931 | |
66e01cf9 LC |
2932 | ieee80211_queue_work(&sdata->local->hw, |
2933 | &sdata->csa_finalize_work); | |
2934 | } | |
2935 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2936 | |
66199506 MK |
2937 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2938 | u32 *changed) | |
66e01cf9 | 2939 | { |
66199506 | 2940 | int err; |
7578d575 | 2941 | |
cd7760e6 SW |
2942 | switch (sdata->vif.type) { |
2943 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2944 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2945 | NULL); | |
97518af1 MK |
2946 | kfree(sdata->u.ap.next_beacon); |
2947 | sdata->u.ap.next_beacon = NULL; | |
2948 | ||
cd7760e6 | 2949 | if (err < 0) |
66199506 MK |
2950 | return err; |
2951 | *changed |= err; | |
cd7760e6 SW |
2952 | break; |
2953 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2954 | err = ieee80211_ibss_finish_csa(sdata); |
2955 | if (err < 0) | |
66199506 MK |
2956 | return err; |
2957 | *changed |= err; | |
cd7760e6 | 2958 | break; |
b8456a14 CYY |
2959 | #ifdef CONFIG_MAC80211_MESH |
2960 | case NL80211_IFTYPE_MESH_POINT: | |
2961 | err = ieee80211_mesh_finish_csa(sdata); | |
2962 | if (err < 0) | |
66199506 MK |
2963 | return err; |
2964 | *changed |= err; | |
b8456a14 CYY |
2965 | break; |
2966 | #endif | |
cd7760e6 SW |
2967 | default: |
2968 | WARN_ON(1); | |
66199506 MK |
2969 | return -EINVAL; |
2970 | } | |
2971 | ||
2972 | return 0; | |
2973 | } | |
2974 | ||
cf8767dd | 2975 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2976 | { |
2977 | struct ieee80211_local *local = sdata->local; | |
2978 | u32 changed = 0; | |
2979 | int err; | |
2980 | ||
2981 | sdata_assert_lock(sdata); | |
2982 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2983 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2984 | |
03078de4 MK |
2985 | /* |
2986 | * using reservation isn't immediate as it may be deferred until later | |
2987 | * with multi-vif. once reservation is complete it will re-schedule the | |
2988 | * work with no reserved_chanctx so verify chandef to check if it | |
2989 | * completed successfully | |
2990 | */ | |
66199506 | 2991 | |
03078de4 MK |
2992 | if (sdata->reserved_chanctx) { |
2993 | /* | |
2994 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2995 | * many times while waiting for other interfaces to use their | |
2996 | * reservations | |
2997 | */ | |
2998 | if (sdata->reserved_ready) | |
2999 | return 0; | |
3000 | ||
408b18ab | 3001 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 3002 | } |
73da7d5b | 3003 | |
03078de4 MK |
3004 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
3005 | &sdata->csa_chandef)) | |
3006 | return -EINVAL; | |
3007 | ||
66199506 MK |
3008 | sdata->vif.csa_active = false; |
3009 | ||
3010 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
3011 | if (err) | |
cf8767dd | 3012 | return err; |
faf046e7 | 3013 | |
66199506 | 3014 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 3015 | |
a46992b4 LC |
3016 | if (sdata->csa_block_tx) { |
3017 | ieee80211_wake_vif_queues(local, sdata, | |
3018 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3019 | sdata->csa_block_tx = false; | |
3020 | } | |
cf8767dd | 3021 | |
f1d65583 LC |
3022 | err = drv_post_channel_switch(sdata); |
3023 | if (err) | |
3024 | return err; | |
3025 | ||
3026 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
3027 | ||
cf8767dd MK |
3028 | return 0; |
3029 | } | |
3030 | ||
3031 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
3032 | { | |
3033 | if (__ieee80211_csa_finalize(sdata)) { | |
3034 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
3035 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
3036 | GFP_KERNEL); | |
3037 | } | |
66e01cf9 LC |
3038 | } |
3039 | ||
3040 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
3041 | { | |
3042 | struct ieee80211_sub_if_data *sdata = | |
3043 | container_of(work, struct ieee80211_sub_if_data, | |
3044 | csa_finalize_work); | |
59af6928 | 3045 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
3046 | |
3047 | sdata_lock(sdata); | |
59af6928 | 3048 | mutex_lock(&local->mtx); |
03078de4 | 3049 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 3050 | |
66e01cf9 LC |
3051 | /* AP might have been stopped while waiting for the lock. */ |
3052 | if (!sdata->vif.csa_active) | |
3053 | goto unlock; | |
3054 | ||
3055 | if (!ieee80211_sdata_running(sdata)) | |
3056 | goto unlock; | |
3057 | ||
3058 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3059 | |
3060 | unlock: | |
03078de4 | 3061 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 3062 | mutex_unlock(&local->mtx); |
e487eaeb | 3063 | sdata_unlock(sdata); |
73da7d5b SW |
3064 | } |
3065 | ||
37fa2bdd MK |
3066 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3067 | struct cfg80211_csa_settings *params, | |
3068 | u32 *changed) | |
73da7d5b | 3069 | { |
af296bdb | 3070 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 3071 | int err; |
73da7d5b | 3072 | |
73da7d5b SW |
3073 | switch (sdata->vif.type) { |
3074 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3075 | sdata->u.ap.next_beacon = |
3076 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3077 | if (!sdata->u.ap.next_beacon) | |
3078 | return -ENOMEM; | |
3079 | ||
66e01cf9 LC |
3080 | /* |
3081 | * With a count of 0, we don't have to wait for any | |
3082 | * TBTT before switching, so complete the CSA | |
3083 | * immediately. In theory, with a count == 1 we | |
3084 | * should delay the switch until just before the next | |
3085 | * TBTT, but that would complicate things so we switch | |
3086 | * immediately too. If we would delay the switch | |
3087 | * until the next TBTT, we would have to set the probe | |
3088 | * response here. | |
3089 | * | |
3090 | * TODO: A channel switch with count <= 1 without | |
3091 | * sending a CSA action frame is kind of useless, | |
3092 | * because the clients won't know we're changing | |
3093 | * channels. The action frame must be implemented | |
3094 | * either here or in the userspace. | |
3095 | */ | |
3096 | if (params->count <= 1) | |
3097 | break; | |
3098 | ||
0d06d9ba AO |
3099 | if ((params->n_counter_offsets_beacon > |
3100 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3101 | (params->n_counter_offsets_presp > | |
3102 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3103 | return -EINVAL; | |
9a774c78 | 3104 | |
af296bdb MK |
3105 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
3106 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
3107 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
3108 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
3109 | csa.count = params->count; | |
9a774c78 | 3110 | |
af296bdb | 3111 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
3112 | if (err < 0) { |
3113 | kfree(sdata->u.ap.next_beacon); | |
3114 | return err; | |
3115 | } | |
37fa2bdd | 3116 | *changed |= err; |
66e01cf9 | 3117 | |
cd7760e6 SW |
3118 | break; |
3119 | case NL80211_IFTYPE_ADHOC: | |
3120 | if (!sdata->vif.bss_conf.ibss_joined) | |
3121 | return -EINVAL; | |
3122 | ||
3123 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3124 | return -EINVAL; | |
3125 | ||
3126 | switch (params->chandef.width) { | |
3127 | case NL80211_CHAN_WIDTH_40: | |
3128 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3129 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3130 | return -EINVAL; | |
3131 | case NL80211_CHAN_WIDTH_5: | |
3132 | case NL80211_CHAN_WIDTH_10: | |
3133 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3134 | case NL80211_CHAN_WIDTH_20: | |
3135 | break; | |
3136 | default: | |
3137 | return -EINVAL; | |
3138 | } | |
3139 | ||
3140 | /* changes into another band are not supported */ | |
3141 | if (sdata->u.ibss.chandef.chan->band != | |
3142 | params->chandef.chan->band) | |
3143 | return -EINVAL; | |
3144 | ||
66e01cf9 LC |
3145 | /* see comments in the NL80211_IFTYPE_AP block */ |
3146 | if (params->count > 1) { | |
3147 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3148 | if (err < 0) | |
3149 | return err; | |
37fa2bdd | 3150 | *changed |= err; |
66e01cf9 LC |
3151 | } |
3152 | ||
3153 | ieee80211_send_action_csa(sdata, params); | |
3154 | ||
73da7d5b | 3155 | break; |
c6da674a | 3156 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3157 | case NL80211_IFTYPE_MESH_POINT: { |
3158 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3159 | |
c6da674a CYY |
3160 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3161 | return -EINVAL; | |
3162 | ||
3163 | /* changes into another band are not supported */ | |
3164 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3165 | params->chandef.chan->band) | |
3166 | return -EINVAL; | |
3167 | ||
c782bf8c | 3168 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3169 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3170 | if (!ifmsh->pre_value) |
3171 | ifmsh->pre_value = 1; | |
3172 | else | |
3173 | ifmsh->pre_value++; | |
3174 | } | |
0cb4d4dc | 3175 | |
66e01cf9 LC |
3176 | /* see comments in the NL80211_IFTYPE_AP block */ |
3177 | if (params->count > 1) { | |
3178 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3179 | if (err < 0) { | |
3180 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3181 | return err; | |
3182 | } | |
37fa2bdd | 3183 | *changed |= err; |
3f718fd8 | 3184 | } |
66e01cf9 LC |
3185 | |
3186 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3187 | ieee80211_send_action_csa(sdata, params); | |
3188 | ||
c6da674a | 3189 | break; |
37fa2bdd | 3190 | } |
c6da674a | 3191 | #endif |
73da7d5b SW |
3192 | default: |
3193 | return -EOPNOTSUPP; | |
3194 | } | |
3195 | ||
37fa2bdd MK |
3196 | return 0; |
3197 | } | |
3198 | ||
f29f58a9 LC |
3199 | static int |
3200 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3201 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3202 | { |
3203 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3204 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 3205 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 3206 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 3207 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
3208 | u32 changed = 0; |
3209 | int err; | |
37fa2bdd MK |
3210 | |
3211 | sdata_assert_lock(sdata); | |
59af6928 | 3212 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3213 | |
3214 | if (!list_empty(&local->roc_list) || local->scanning) | |
3215 | return -EBUSY; | |
3216 | ||
3217 | if (sdata->wdev.cac_started) | |
3218 | return -EBUSY; | |
3219 | ||
3220 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3221 | &sdata->vif.bss_conf.chandef)) | |
3222 | return -EINVAL; | |
3223 | ||
03078de4 MK |
3224 | /* don't allow another channel switch if one is already active. */ |
3225 | if (sdata->vif.csa_active) | |
3226 | return -EBUSY; | |
3227 | ||
2b32713d MK |
3228 | mutex_lock(&local->chanctx_mtx); |
3229 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3230 | lockdep_is_held(&local->chanctx_mtx)); | |
3231 | if (!conf) { | |
03078de4 MK |
3232 | err = -EBUSY; |
3233 | goto out; | |
37fa2bdd MK |
3234 | } |
3235 | ||
2b32713d | 3236 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
03078de4 MK |
3237 | if (!chanctx) { |
3238 | err = -EBUSY; | |
3239 | goto out; | |
37fa2bdd | 3240 | } |
37fa2bdd | 3241 | |
000baa5d LC |
3242 | ch_switch.timestamp = 0; |
3243 | ch_switch.device_timestamp = 0; | |
3244 | ch_switch.block_tx = params->block_tx; | |
3245 | ch_switch.chandef = params->chandef; | |
3246 | ch_switch.count = params->count; | |
3247 | ||
6d027bcc LC |
3248 | err = drv_pre_channel_switch(sdata, &ch_switch); |
3249 | if (err) | |
3250 | goto out; | |
3251 | ||
03078de4 MK |
3252 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
3253 | chanctx->mode, | |
3254 | params->radar_required); | |
3255 | if (err) | |
3256 | goto out; | |
37fa2bdd | 3257 | |
03078de4 MK |
3258 | /* if reservation is invalid then this will fail */ |
3259 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
3260 | if (err) { | |
3261 | ieee80211_vif_unreserve_chanctx(sdata); | |
3262 | goto out; | |
3263 | } | |
37fa2bdd MK |
3264 | |
3265 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
3266 | if (err) { |
3267 | ieee80211_vif_unreserve_chanctx(sdata); | |
3268 | goto out; | |
3269 | } | |
37fa2bdd | 3270 | |
33787fc4 | 3271 | sdata->csa_chandef = params->chandef; |
59af6928 | 3272 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3273 | sdata->vif.csa_active = true; |
3274 | ||
59af6928 | 3275 | if (sdata->csa_block_tx) |
a46992b4 LC |
3276 | ieee80211_stop_vif_queues(local, sdata, |
3277 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3278 | |
2f457293 LC |
3279 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
3280 | params->count); | |
3281 | ||
66e01cf9 LC |
3282 | if (changed) { |
3283 | ieee80211_bss_info_change_notify(sdata, changed); | |
3284 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3285 | } else { | |
3286 | /* if the beacon didn't change, we can finalize immediately */ | |
3287 | ieee80211_csa_finalize(sdata); | |
3288 | } | |
73da7d5b | 3289 | |
03078de4 MK |
3290 | out: |
3291 | mutex_unlock(&local->chanctx_mtx); | |
3292 | return err; | |
73da7d5b SW |
3293 | } |
3294 | ||
59af6928 MK |
3295 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3296 | struct cfg80211_csa_settings *params) | |
3297 | { | |
3298 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3299 | struct ieee80211_local *local = sdata->local; | |
3300 | int err; | |
3301 | ||
3302 | mutex_lock(&local->mtx); | |
3303 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3304 | mutex_unlock(&local->mtx); | |
3305 | ||
3306 | return err; | |
3307 | } | |
3308 | ||
3b79af97 JB |
3309 | static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local, |
3310 | struct sk_buff *skb, u64 *cookie, | |
3311 | gfp_t gfp) | |
3312 | { | |
3313 | unsigned long spin_flags; | |
3314 | struct sk_buff *ack_skb; | |
3315 | int id; | |
3316 | ||
3317 | ack_skb = skb_copy(skb, gfp); | |
3318 | if (!ack_skb) | |
3319 | return ERR_PTR(-ENOMEM); | |
3320 | ||
3321 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3322 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3323 | 1, 0x10000, GFP_ATOMIC); | |
3324 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3325 | ||
3326 | if (id < 0) { | |
3327 | kfree_skb(ack_skb); | |
3328 | return ERR_PTR(-ENOMEM); | |
3329 | } | |
3330 | ||
3331 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3332 | ||
3333 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3334 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3335 | ||
3336 | return ack_skb; | |
3337 | } | |
3338 | ||
71bbc994 | 3339 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3340 | struct cfg80211_mgmt_tx_params *params, |
3341 | u64 *cookie) | |
026331c4 | 3342 | { |
71bbc994 | 3343 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d | 3344 | struct ieee80211_local *local = sdata->local; |
b2eb0ee6 | 3345 | struct sk_buff *skb, *ack_skb; |
9d38d85d | 3346 | struct sta_info *sta; |
b176e629 | 3347 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3348 | bool need_offchan = false; |
e247bd90 | 3349 | u32 flags; |
2eb278e0 | 3350 | int ret; |
387910cc | 3351 | u8 *data; |
f7ca38df | 3352 | |
b176e629 | 3353 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3354 | flags = IEEE80211_TX_CTL_NO_ACK; |
3355 | else | |
3356 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3357 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3358 | ||
b176e629 | 3359 | if (params->no_cck) |
aad14ceb RM |
3360 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3361 | ||
9d38d85d JB |
3362 | switch (sdata->vif.type) { |
3363 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3364 | if (!sdata->vif.bss_conf.ibss_joined) |
3365 | need_offchan = true; | |
3366 | /* fall through */ | |
3367 | #ifdef CONFIG_MAC80211_MESH | |
3368 | case NL80211_IFTYPE_MESH_POINT: | |
3369 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3370 | !sdata->u.mesh.mesh_id_len) | |
3371 | need_offchan = true; | |
3372 | /* fall through */ | |
3373 | #endif | |
663fcafd JB |
3374 | case NL80211_IFTYPE_AP: |
3375 | case NL80211_IFTYPE_AP_VLAN: | |
3376 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3377 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3378 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3379 | !rcu_access_pointer(sdata->bss->beacon)) | |
3380 | need_offchan = true; | |
663fcafd | 3381 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3382 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3383 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3384 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3385 | break; |
3386 | rcu_read_lock(); | |
3387 | sta = sta_info_get(sdata, mgmt->da); | |
3388 | rcu_read_unlock(); | |
3389 | if (!sta) | |
3390 | return -ENOLINK; | |
3391 | break; | |
3392 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3393 | case NL80211_IFTYPE_P2P_CLIENT: |
b8e69d51 MG |
3394 | sdata_lock(sdata); |
3395 | if (!sdata->u.mgd.associated || | |
3396 | (params->offchan && params->wait && | |
3397 | local->ops->remain_on_channel && | |
3398 | memcmp(sdata->u.mgd.associated->bssid, | |
3399 | mgmt->bssid, ETH_ALEN))) | |
2eb278e0 | 3400 | need_offchan = true; |
b8e69d51 | 3401 | sdata_unlock(sdata); |
9d38d85d | 3402 | break; |
f142c6b9 JB |
3403 | case NL80211_IFTYPE_P2P_DEVICE: |
3404 | need_offchan = true; | |
3405 | break; | |
9d38d85d JB |
3406 | default: |
3407 | return -EOPNOTSUPP; | |
3408 | } | |
3409 | ||
f7aeb6fb AQ |
3410 | /* configurations requiring offchan cannot work if no channel has been |
3411 | * specified | |
3412 | */ | |
b176e629 | 3413 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3414 | return -EINVAL; |
3415 | ||
2eb278e0 JB |
3416 | mutex_lock(&local->mtx); |
3417 | ||
3418 | /* Check if the operating channel is the requested channel */ | |
3419 | if (!need_offchan) { | |
55de908a JB |
3420 | struct ieee80211_chanctx_conf *chanctx_conf; |
3421 | ||
3422 | rcu_read_lock(); | |
3423 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3424 | ||
f7aeb6fb | 3425 | if (chanctx_conf) { |
b176e629 AO |
3426 | need_offchan = params->chan && |
3427 | (params->chan != | |
3428 | chanctx_conf->def.chan); | |
3429 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3430 | ret = -EINVAL; |
3431 | rcu_read_unlock(); | |
3432 | goto out_unlock; | |
3433 | } else { | |
2eb278e0 | 3434 | need_offchan = true; |
f7aeb6fb | 3435 | } |
55de908a | 3436 | rcu_read_unlock(); |
2eb278e0 JB |
3437 | } |
3438 | ||
b176e629 | 3439 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3440 | ret = -EBUSY; |
3441 | goto out_unlock; | |
3442 | } | |
3443 | ||
b176e629 | 3444 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3445 | if (!skb) { |
3446 | ret = -ENOMEM; | |
3447 | goto out_unlock; | |
3448 | } | |
9d38d85d JB |
3449 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3450 | ||
387910cc AO |
3451 | data = skb_put(skb, params->len); |
3452 | memcpy(data, params->buf, params->len); | |
3453 | ||
3454 | /* Update CSA counters */ | |
3455 | if (sdata->vif.csa_active && | |
3456 | (sdata->vif.type == NL80211_IFTYPE_AP || | |
8df734e8 | 3457 | sdata->vif.type == NL80211_IFTYPE_MESH_POINT || |
387910cc AO |
3458 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && |
3459 | params->n_csa_offsets) { | |
3460 | int i; | |
af296bdb | 3461 | struct beacon_data *beacon = NULL; |
387910cc | 3462 | |
af296bdb MK |
3463 | rcu_read_lock(); |
3464 | ||
3465 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
3466 | beacon = rcu_dereference(sdata->u.ap.beacon); | |
3467 | else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
3468 | beacon = rcu_dereference(sdata->u.ibss.presp); | |
3469 | else if (ieee80211_vif_is_mesh(&sdata->vif)) | |
3470 | beacon = rcu_dereference(sdata->u.mesh.beacon); | |
3471 | ||
3472 | if (beacon) | |
3473 | for (i = 0; i < params->n_csa_offsets; i++) | |
3474 | data[params->csa_offsets[i]] = | |
3475 | beacon->csa_current_counter; | |
3476 | ||
3477 | rcu_read_unlock(); | |
387910cc | 3478 | } |
9d38d85d JB |
3479 | |
3480 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3481 | ||
3482 | skb->dev = sdata->dev; | |
9d38d85d | 3483 | |
b2eb0ee6 | 3484 | if (!params->dont_wait_for_ack) { |
3b79af97 | 3485 | /* make a copy to preserve the frame contents |
b2eb0ee6 JB |
3486 | * in case of encryption. |
3487 | */ | |
3b79af97 JB |
3488 | ack_skb = ieee80211_make_ack_skb(local, skb, cookie, |
3489 | GFP_KERNEL); | |
3490 | if (IS_ERR(ack_skb)) { | |
3491 | ret = PTR_ERR(ack_skb); | |
b2eb0ee6 JB |
3492 | kfree_skb(skb); |
3493 | goto out_unlock; | |
3494 | } | |
b2eb0ee6 JB |
3495 | } else { |
3496 | /* for cookie below */ | |
3497 | ack_skb = skb; | |
3498 | } | |
3499 | ||
2eb278e0 | 3500 | if (!need_offchan) { |
f30221e4 | 3501 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3502 | ret = 0; |
3503 | goto out_unlock; | |
f30221e4 JB |
3504 | } |
3505 | ||
6c17b77b SF |
3506 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3507 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
30686bf7 | 3508 | if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL)) |
2eb278e0 JB |
3509 | IEEE80211_SKB_CB(skb)->hw_queue = |
3510 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3511 | |
2eb278e0 | 3512 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3513 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3514 | params->wait, cookie, skb, | |
d339d5ca | 3515 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3516 | if (ret) |
3517 | kfree_skb(skb); | |
3518 | out_unlock: | |
3519 | mutex_unlock(&local->mtx); | |
3520 | return ret; | |
026331c4 JM |
3521 | } |
3522 | ||
f30221e4 | 3523 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3524 | struct wireless_dev *wdev, |
f30221e4 JB |
3525 | u64 cookie) |
3526 | { | |
71bbc994 | 3527 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3528 | |
2eb278e0 | 3529 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3530 | } |
3531 | ||
7be5086d | 3532 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3533 | struct wireless_dev *wdev, |
7be5086d JB |
3534 | u16 frame_type, bool reg) |
3535 | { | |
3536 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1b09b556 | 3537 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 3538 | |
6abe0563 | 3539 | switch (frame_type) { |
6abe0563 | 3540 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
1b09b556 | 3541 | if (reg) { |
6abe0563 | 3542 | local->probe_req_reg++; |
1b09b556 AO |
3543 | sdata->vif.probe_req_reg++; |
3544 | } else { | |
3545 | if (local->probe_req_reg) | |
3546 | local->probe_req_reg--; | |
3547 | ||
3548 | if (sdata->vif.probe_req_reg) | |
3549 | sdata->vif.probe_req_reg--; | |
3550 | } | |
7be5086d | 3551 | |
35f5149e FF |
3552 | if (!local->open_count) |
3553 | break; | |
3554 | ||
1b09b556 AO |
3555 | if (sdata->vif.probe_req_reg == 1) |
3556 | drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, | |
3557 | FIF_PROBE_REQ); | |
3558 | else if (sdata->vif.probe_req_reg == 0) | |
3559 | drv_config_iface_filter(local, sdata, 0, | |
3560 | FIF_PROBE_REQ); | |
3561 | ||
3562 | ieee80211_configure_filter(local); | |
6abe0563 WH |
3563 | break; |
3564 | default: | |
3565 | break; | |
3566 | } | |
7be5086d JB |
3567 | } |
3568 | ||
15d96753 BR |
3569 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3570 | { | |
3571 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3572 | ||
3573 | if (local->started) | |
3574 | return -EOPNOTSUPP; | |
3575 | ||
3576 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3577 | } | |
3578 | ||
3579 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3580 | { | |
3581 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3582 | ||
3583 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3584 | } | |
3585 | ||
c68f4b89 JB |
3586 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3587 | struct net_device *dev, | |
3588 | struct cfg80211_gtk_rekey_data *data) | |
3589 | { | |
3590 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3591 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3592 | ||
3593 | if (!local->ops->set_rekey_data) | |
3594 | return -EOPNOTSUPP; | |
3595 | ||
3596 | drv_set_rekey_data(local, sdata, data); | |
3597 | ||
3598 | return 0; | |
3599 | } | |
3600 | ||
06500736 JB |
3601 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3602 | const u8 *peer, u64 *cookie) | |
3603 | { | |
3604 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3605 | struct ieee80211_local *local = sdata->local; | |
3606 | struct ieee80211_qos_hdr *nullfunc; | |
3b79af97 | 3607 | struct sk_buff *skb, *ack_skb; |
06500736 JB |
3608 | int size = sizeof(*nullfunc); |
3609 | __le16 fc; | |
3610 | bool qos; | |
3611 | struct ieee80211_tx_info *info; | |
3612 | struct sta_info *sta; | |
55de908a JB |
3613 | struct ieee80211_chanctx_conf *chanctx_conf; |
3614 | enum ieee80211_band band; | |
3b79af97 JB |
3615 | int ret; |
3616 | ||
3617 | /* the lock is needed to assign the cookie later */ | |
3618 | mutex_lock(&local->mtx); | |
06500736 JB |
3619 | |
3620 | rcu_read_lock(); | |
55de908a JB |
3621 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3622 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3623 | ret = -EINVAL; |
3624 | goto unlock; | |
55de908a | 3625 | } |
4bf88530 | 3626 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3627 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3628 | if (sta) { |
a74a8c84 | 3629 | qos = sta->sta.wme; |
b4487c2d | 3630 | } else { |
3b79af97 JB |
3631 | ret = -ENOLINK; |
3632 | goto unlock; | |
b4487c2d | 3633 | } |
06500736 JB |
3634 | |
3635 | if (qos) { | |
3636 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3637 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3638 | IEEE80211_FCTL_FROMDS); | |
3639 | } else { | |
3640 | size -= 2; | |
3641 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3642 | IEEE80211_STYPE_NULLFUNC | | |
3643 | IEEE80211_FCTL_FROMDS); | |
3644 | } | |
3645 | ||
3646 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3647 | if (!skb) { |
3b79af97 JB |
3648 | ret = -ENOMEM; |
3649 | goto unlock; | |
55de908a | 3650 | } |
06500736 JB |
3651 | |
3652 | skb->dev = dev; | |
3653 | ||
3654 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3655 | ||
3656 | nullfunc = (void *) skb_put(skb, size); | |
3657 | nullfunc->frame_control = fc; | |
3658 | nullfunc->duration_id = 0; | |
3659 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3660 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3661 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3662 | nullfunc->seq_ctrl = 0; | |
3663 | ||
3664 | info = IEEE80211_SKB_CB(skb); | |
3665 | ||
3666 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3667 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3668 | info->band = band; |
06500736 JB |
3669 | |
3670 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3671 | skb->priority = 7; | |
3672 | if (qos) | |
3673 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3674 | ||
3b79af97 JB |
3675 | ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3676 | if (IS_ERR(ack_skb)) { | |
3677 | kfree_skb(skb); | |
3678 | ret = PTR_ERR(ack_skb); | |
3679 | goto unlock; | |
3680 | } | |
3681 | ||
06500736 | 3682 | local_bh_disable(); |
7c10770f | 3683 | ieee80211_xmit(sdata, sta, skb); |
06500736 | 3684 | local_bh_enable(); |
3b79af97 JB |
3685 | |
3686 | ret = 0; | |
3687 | unlock: | |
55de908a | 3688 | rcu_read_unlock(); |
3b79af97 | 3689 | mutex_unlock(&local->mtx); |
06500736 | 3690 | |
3b79af97 | 3691 | return ret; |
06500736 JB |
3692 | } |
3693 | ||
683b6d3b JB |
3694 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3695 | struct wireless_dev *wdev, | |
3696 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3697 | { |
55de908a | 3698 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3699 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3700 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3701 | int ret = -ENODATA; |
55de908a JB |
3702 | |
3703 | rcu_read_lock(); | |
feda3027 JB |
3704 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3705 | if (chanctx_conf) { | |
c12bc488 | 3706 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3707 | ret = 0; |
3708 | } else if (local->open_count > 0 && | |
3709 | local->open_count == local->monitors && | |
3710 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3711 | if (local->use_chanctx) | |
3712 | *chandef = local->monitor_chandef; | |
3713 | else | |
675a0b04 | 3714 | *chandef = local->_oper_chandef; |
683b6d3b | 3715 | ret = 0; |
55de908a JB |
3716 | } |
3717 | rcu_read_unlock(); | |
5b7ccaf3 | 3718 | |
683b6d3b | 3719 | return ret; |
5b7ccaf3 JB |
3720 | } |
3721 | ||
6d52563f JB |
3722 | #ifdef CONFIG_PM |
3723 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3724 | { | |
3725 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3726 | } | |
3727 | #endif | |
3728 | ||
32db6b54 KP |
3729 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3730 | struct net_device *dev, | |
3731 | struct cfg80211_qos_map *qos_map) | |
3732 | { | |
3733 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3734 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3735 | ||
3736 | if (qos_map) { | |
3737 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3738 | if (!new_qos_map) | |
3739 | return -ENOMEM; | |
3740 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3741 | } else { | |
3742 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3743 | new_qos_map = NULL; | |
3744 | } | |
3745 | ||
194ff52d | 3746 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3747 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3748 | if (old_qos_map) | |
3749 | kfree_rcu(old_qos_map, rcu_head); | |
3750 | ||
3751 | return 0; | |
3752 | } | |
3753 | ||
3b1700bd JM |
3754 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3755 | struct net_device *dev, | |
3756 | struct cfg80211_chan_def *chandef) | |
3757 | { | |
3758 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3759 | int ret; | |
3760 | u32 changed = 0; | |
3761 | ||
3762 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3763 | if (ret == 0) | |
3764 | ieee80211_bss_info_change_notify(sdata, changed); | |
3765 | ||
3766 | return ret; | |
3767 | } | |
3768 | ||
02219b3a JB |
3769 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3770 | u8 tsid, const u8 *peer, u8 up, | |
3771 | u16 admitted_time) | |
3772 | { | |
3773 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3774 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3775 | int ac = ieee802_1d_to_ac[up]; | |
3776 | ||
3777 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3778 | return -EOPNOTSUPP; | |
3779 | ||
3780 | if (!(sdata->wmm_acm & BIT(up))) | |
3781 | return -EINVAL; | |
3782 | ||
3783 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3784 | return -EBUSY; | |
3785 | ||
3786 | if (admitted_time) { | |
3787 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3788 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3789 | ifmgd->tx_tspec[ac].up = up; | |
3790 | } | |
3791 | ||
3792 | return 0; | |
3793 | } | |
3794 | ||
3795 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3796 | u8 tsid, const u8 *peer) | |
3797 | { | |
3798 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3799 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3800 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3801 | int ac; | |
3802 | ||
3803 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3804 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3805 | ||
3806 | /* skip unused entries */ | |
3807 | if (!tx_tspec->admitted_time) | |
3808 | continue; | |
3809 | ||
3810 | if (tx_tspec->tsid != tsid) | |
3811 | continue; | |
3812 | ||
3813 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3814 | tx_tspec->up = -1; | |
3815 | ||
3816 | /* Make sure that all packets have been sent to avoid to | |
3817 | * restore the QoS params on packets that are still on the | |
3818 | * queues. | |
3819 | */ | |
3820 | synchronize_net(); | |
3b24f4c6 | 3821 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3822 | |
3823 | /* restore the normal QoS parameters | |
3824 | * (unconditionally to avoid races) | |
3825 | */ | |
3826 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3827 | tx_tspec->downgraded = false; | |
3828 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3829 | ||
3830 | /* finally clear all the data */ | |
3831 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3832 | ||
3833 | return 0; | |
3834 | } | |
3835 | ||
3836 | return -ENOENT; | |
3837 | } | |
3838 | ||
8a47cea7 | 3839 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3840 | .add_virtual_intf = ieee80211_add_iface, |
3841 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3842 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3843 | .start_p2p_device = ieee80211_start_p2p_device, |
3844 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3845 | .add_key = ieee80211_add_key, |
3846 | .del_key = ieee80211_del_key, | |
62da92fb | 3847 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3848 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3849 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3850 | .start_ap = ieee80211_start_ap, |
3851 | .change_beacon = ieee80211_change_beacon, | |
3852 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3853 | .add_station = ieee80211_add_station, |
3854 | .del_station = ieee80211_del_station, | |
3855 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3856 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3857 | .dump_station = ieee80211_dump_station, |
1289723e | 3858 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3859 | #ifdef CONFIG_MAC80211_MESH |
3860 | .add_mpath = ieee80211_add_mpath, | |
3861 | .del_mpath = ieee80211_del_mpath, | |
3862 | .change_mpath = ieee80211_change_mpath, | |
3863 | .get_mpath = ieee80211_get_mpath, | |
3864 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3865 | .get_mpp = ieee80211_get_mpp, |
3866 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3867 | .update_mesh_config = ieee80211_update_mesh_config, |
3868 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3869 | .join_mesh = ieee80211_join_mesh, |
3870 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3871 | #endif |
239281f8 RL |
3872 | .join_ocb = ieee80211_join_ocb, |
3873 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3874 | .change_bss = ieee80211_change_bss, |
31888487 | 3875 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3876 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3877 | .suspend = ieee80211_suspend, |
3878 | .resume = ieee80211_resume, | |
2a519311 | 3879 | .scan = ieee80211_scan, |
79f460ca LC |
3880 | .sched_scan_start = ieee80211_sched_scan_start, |
3881 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3882 | .auth = ieee80211_auth, |
3883 | .assoc = ieee80211_assoc, | |
3884 | .deauth = ieee80211_deauth, | |
3885 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3886 | .join_ibss = ieee80211_join_ibss, |
3887 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3888 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3889 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3890 | .set_tx_power = ieee80211_set_tx_power, |
3891 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3892 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3893 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3894 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3895 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3896 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3897 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3898 | .remain_on_channel = ieee80211_remain_on_channel, |
3899 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3900 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3901 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3902 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3903 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3904 | .set_antenna = ieee80211_set_antenna, |
3905 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3906 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3907 | .tdls_oper = ieee80211_tdls_oper, |
3908 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3909 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3910 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3911 | .probe_client = ieee80211_probe_client, |
b53be792 | 3912 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3913 | #ifdef CONFIG_PM |
3914 | .set_wakeup = ieee80211_set_wakeup, | |
3915 | #endif | |
5b7ccaf3 | 3916 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3917 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3918 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3919 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3920 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3921 | .add_tx_ts = ieee80211_add_tx_ts, |
3922 | .del_tx_ts = ieee80211_del_tx_ts, | |
f0706e82 | 3923 | }; |