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 | */ | |
984 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
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 | ||
68885a54 AN |
1123 | /* auth flags will be set later for TDLS stations */ |
1124 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1125 | ret = sta_apply_auth_flags(local, sta, mask, set); | |
1126 | if (ret) | |
1127 | return ret; | |
1128 | } | |
d9a7ddb0 | 1129 | |
eccb8e8f | 1130 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1131 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1132 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1133 | else | |
1134 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1135 | } |
4fd6931e | 1136 | |
eccb8e8f | 1137 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1138 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1139 | set_sta_flag(sta, WLAN_STA_MFP); |
1140 | else | |
1141 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1142 | } |
b39c48fa | 1143 | |
07ba55d7 | 1144 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1145 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1146 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1147 | else | |
1148 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1149 | } |
4fd6931e | 1150 | |
9041c1fa AN |
1151 | /* mark TDLS channel switch support, if the AP allows it */ |
1152 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1153 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1154 | params->ext_capab_len >= 4 && | |
1155 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1156 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1157 | ||
b98fb44f AN |
1158 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1159 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && | |
1160 | params->ext_capab_len >= 8 && | |
1161 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1162 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1163 | ||
3b9ce80c JB |
1164 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1165 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1166 | sta->sta.max_sp = params->max_sp; | |
1167 | } | |
9533b4ac | 1168 | |
51b50fbe JB |
1169 | /* |
1170 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1171 | * only when creating a new station entry | |
1172 | */ | |
1173 | if (params->aid) | |
1174 | sta->sta.aid = params->aid; | |
1175 | ||
73651ee6 | 1176 | /* |
ba23d206 JB |
1177 | * Some of the following updates would be racy if called on an |
1178 | * existing station, via ieee80211_change_station(). However, | |
1179 | * all such changes are rejected by cfg80211 except for updates | |
1180 | * changing the supported rates on an existing but not yet used | |
1181 | * TDLS peer. | |
73651ee6 JB |
1182 | */ |
1183 | ||
4fd6931e JB |
1184 | if (params->listen_interval >= 0) |
1185 | sta->listen_interval = params->listen_interval; | |
1186 | ||
1187 | if (params->supported_rates) { | |
2103dec1 SW |
1188 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1189 | sband, params->supported_rates, | |
1190 | params->supported_rates_len, | |
1191 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1192 | } |
c5dd9c2b | 1193 | |
d9fe60de | 1194 | if (params->ht_capa) |
ef96a842 | 1195 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1196 | params->ht_capa, sta); |
36aedc90 | 1197 | |
f461be3e MP |
1198 | if (params->vht_capa) |
1199 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1200 | params->vht_capa, sta); |
f461be3e | 1201 | |
b1bce14a | 1202 | if (params->opmode_notif_used) { |
b1bce14a MK |
1203 | /* returned value is only needed for rc update, but the |
1204 | * rc isn't initialized here yet, so ignore it | |
1205 | */ | |
1206 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1207 | params->opmode_notif, | |
1208 | band, false); | |
1209 | } | |
1210 | ||
13657702 JB |
1211 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1212 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1213 | |
68885a54 AN |
1214 | /* set the STA state after all sta info from usermode has been set */ |
1215 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1216 | ret = sta_apply_auth_flags(local, sta, mask, set); | |
1217 | if (ret) | |
1218 | return ret; | |
1219 | } | |
1220 | ||
d9a7ddb0 | 1221 | return 0; |
4fd6931e JB |
1222 | } |
1223 | ||
1224 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1225 | const u8 *mac, |
1226 | struct station_parameters *params) | |
4fd6931e | 1227 | { |
14db74bc | 1228 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1229 | struct sta_info *sta; |
1230 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1231 | int err; |
b8d476c8 | 1232 | int layer2_update; |
4fd6931e | 1233 | |
4fd6931e JB |
1234 | if (params->vlan) { |
1235 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1236 | ||
05c914fe JB |
1237 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1238 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1239 | return -EINVAL; |
1240 | } else | |
1241 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1242 | ||
b203ca39 | 1243 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1244 | return -EINVAL; |
1245 | ||
1246 | if (is_multicast_ether_addr(mac)) | |
1247 | return -EINVAL; | |
1248 | ||
1249 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1250 | if (!sta) |
1251 | return -ENOMEM; | |
4fd6931e | 1252 | |
d582cffb JB |
1253 | /* |
1254 | * defaults -- if userspace wants something else we'll | |
1255 | * change it accordingly in sta_apply_parameters() | |
1256 | */ | |
77ee7c89 JB |
1257 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1258 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1259 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
0c4972cc AN |
1260 | } else { |
1261 | sta->sta.tdls = true; | |
77ee7c89 | 1262 | } |
4fd6931e | 1263 | |
d9a7ddb0 JB |
1264 | err = sta_apply_parameters(local, sta, params); |
1265 | if (err) { | |
1266 | sta_info_free(local, sta); | |
1267 | return err; | |
1268 | } | |
4fd6931e | 1269 | |
d64cf63e | 1270 | /* |
77ee7c89 JB |
1271 | * for TDLS, rate control should be initialized only when |
1272 | * rates are known and station is marked authorized | |
d64cf63e AN |
1273 | */ |
1274 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1275 | rate_control_rate_init(sta); | |
4fd6931e | 1276 | |
b8d476c8 JM |
1277 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1278 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1279 | ||
34e89507 | 1280 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1281 | if (err) { |
73651ee6 JB |
1282 | rcu_read_unlock(); |
1283 | return err; | |
1284 | } | |
1285 | ||
b8d476c8 | 1286 | if (layer2_update) |
73651ee6 JB |
1287 | ieee80211_send_layer2_update(sta); |
1288 | ||
1289 | rcu_read_unlock(); | |
1290 | ||
4fd6931e JB |
1291 | return 0; |
1292 | } | |
1293 | ||
1294 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1295 | struct station_del_parameters *params) |
4fd6931e | 1296 | { |
14db74bc | 1297 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1298 | |
14db74bc JB |
1299 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1300 | ||
89c771e5 JM |
1301 | if (params->mac) |
1302 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1303 | |
b998e8bb | 1304 | sta_info_flush(sdata); |
4fd6931e JB |
1305 | return 0; |
1306 | } | |
1307 | ||
1308 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1309 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1310 | struct station_parameters *params) |
1311 | { | |
abe60632 | 1312 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1313 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1314 | struct sta_info *sta; |
1315 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1316 | enum cfg80211_station_type statype; |
35b88623 | 1317 | int err; |
4fd6931e | 1318 | |
87be1e1e | 1319 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1320 | |
0e5ded5a | 1321 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1322 | if (!sta) { |
77ee7c89 JB |
1323 | err = -ENOENT; |
1324 | goto out_err; | |
98dd6a57 | 1325 | } |
4fd6931e | 1326 | |
77ee7c89 JB |
1327 | switch (sdata->vif.type) { |
1328 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1329 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1330 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1331 | else |
eef941e6 | 1332 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1333 | break; |
1334 | case NL80211_IFTYPE_ADHOC: | |
1335 | statype = CFG80211_STA_IBSS; | |
1336 | break; | |
1337 | case NL80211_IFTYPE_STATION: | |
1338 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1339 | statype = CFG80211_STA_AP_STA; | |
1340 | break; | |
1341 | } | |
1342 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1343 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1344 | else | |
1345 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1346 | break; | |
1347 | case NL80211_IFTYPE_AP: | |
1348 | case NL80211_IFTYPE_AP_VLAN: | |
1349 | statype = CFG80211_STA_AP_CLIENT; | |
1350 | break; | |
1351 | default: | |
1352 | err = -EOPNOTSUPP; | |
1353 | goto out_err; | |
bdd90d5e JB |
1354 | } |
1355 | ||
77ee7c89 JB |
1356 | err = cfg80211_check_station_change(wiphy, params, statype); |
1357 | if (err) | |
1358 | goto out_err; | |
1359 | ||
d0709a65 | 1360 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1361 | bool prev_4addr = false; |
1362 | bool new_4addr = false; | |
1363 | ||
4fd6931e JB |
1364 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1365 | ||
9bc383de | 1366 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1367 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1368 | err = -EBUSY; |
1369 | goto out_err; | |
3305443c | 1370 | } |
f14543ee | 1371 | |
cf778b00 | 1372 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1373 | new_4addr = true; |
1374 | } | |
1375 | ||
1376 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1377 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1378 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1379 | prev_4addr = true; |
f14543ee FF |
1380 | } |
1381 | ||
14db74bc | 1382 | sta->sdata = vlansdata; |
464daaf0 | 1383 | ieee80211_check_fast_xmit(sta); |
7e3ed02c FF |
1384 | |
1385 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1386 | prev_4addr != new_4addr) { | |
1387 | if (new_4addr) | |
1388 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1389 | else | |
1390 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1391 | } | |
1392 | ||
4fd6931e JB |
1393 | ieee80211_send_layer2_update(sta); |
1394 | } | |
1395 | ||
35b88623 | 1396 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1397 | if (err) |
1398 | goto out_err; | |
4fd6931e | 1399 | |
87be1e1e | 1400 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1401 | |
687da132 EG |
1402 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1403 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1404 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1405 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1406 | sta_info_tx_streams(sta) != 1) { | |
1407 | ht_dbg(sta->sdata, | |
1408 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1409 | sta->sta.addr); | |
1410 | ieee80211_send_smps_action(sta->sdata, | |
1411 | sta->sdata->bss->req_smps, | |
1412 | sta->sta.addr, | |
1413 | sta->sdata->vif.bss_conf.bssid); | |
1414 | } | |
1415 | ||
808118cb | 1416 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1417 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1418 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1419 | ieee80211_recalc_ps_vif(sdata); |
1420 | } | |
77ee7c89 | 1421 | |
4fd6931e | 1422 | return 0; |
77ee7c89 JB |
1423 | out_err: |
1424 | mutex_unlock(&local->sta_mtx); | |
1425 | return err; | |
4fd6931e JB |
1426 | } |
1427 | ||
c5dd9c2b LCC |
1428 | #ifdef CONFIG_MAC80211_MESH |
1429 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1430 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1431 | { |
14db74bc | 1432 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1433 | struct mesh_path *mpath; |
1434 | struct sta_info *sta; | |
c5dd9c2b | 1435 | |
14db74bc JB |
1436 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1437 | ||
d0709a65 | 1438 | rcu_read_lock(); |
abe60632 | 1439 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1440 | if (!sta) { |
1441 | rcu_read_unlock(); | |
c5dd9c2b | 1442 | return -ENOENT; |
d0709a65 | 1443 | } |
c5dd9c2b | 1444 | |
ae76eef0 BC |
1445 | mpath = mesh_path_add(sdata, dst); |
1446 | if (IS_ERR(mpath)) { | |
d0709a65 | 1447 | rcu_read_unlock(); |
ae76eef0 | 1448 | return PTR_ERR(mpath); |
d0709a65 | 1449 | } |
c5dd9c2b | 1450 | |
c5dd9c2b | 1451 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1452 | |
c5dd9c2b LCC |
1453 | rcu_read_unlock(); |
1454 | return 0; | |
1455 | } | |
1456 | ||
1457 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1458 | const u8 *dst) |
c5dd9c2b | 1459 | { |
f698d856 JBG |
1460 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1461 | ||
c5dd9c2b | 1462 | if (dst) |
bf7cd94d | 1463 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1464 | |
ece1a2e7 | 1465 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1466 | return 0; |
1467 | } | |
1468 | ||
3b3a0162 JB |
1469 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1470 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1471 | { |
14db74bc | 1472 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1473 | struct mesh_path *mpath; |
1474 | struct sta_info *sta; | |
1475 | ||
14db74bc JB |
1476 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1477 | ||
d0709a65 JB |
1478 | rcu_read_lock(); |
1479 | ||
abe60632 | 1480 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1481 | if (!sta) { |
1482 | rcu_read_unlock(); | |
c5dd9c2b | 1483 | return -ENOENT; |
d0709a65 | 1484 | } |
c5dd9c2b | 1485 | |
bf7cd94d | 1486 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1487 | if (!mpath) { |
1488 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1489 | return -ENOENT; |
1490 | } | |
1491 | ||
1492 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1493 | |
c5dd9c2b LCC |
1494 | rcu_read_unlock(); |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1499 | struct mpath_info *pinfo) | |
1500 | { | |
a3836e02 JB |
1501 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1502 | ||
1503 | if (next_hop_sta) | |
1504 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b | 1505 | else |
c84a67a2 | 1506 | eth_zero_addr(next_hop); |
c5dd9c2b | 1507 | |
7ce8c7a3 LAYS |
1508 | memset(pinfo, 0, sizeof(*pinfo)); |
1509 | ||
f5ea9120 JB |
1510 | pinfo->generation = mesh_paths_generation; |
1511 | ||
c5dd9c2b | 1512 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1513 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1514 | MPATH_INFO_METRIC | |
1515 | MPATH_INFO_EXPTIME | | |
1516 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1517 | MPATH_INFO_DISCOVERY_RETRIES | | |
1518 | MPATH_INFO_FLAGS; | |
1519 | ||
1520 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1521 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1522 | pinfo->metric = mpath->metric; |
1523 | if (time_before(jiffies, mpath->exp_time)) | |
1524 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1525 | pinfo->discovery_timeout = | |
1526 | jiffies_to_msecs(mpath->discovery_timeout); | |
1527 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1528 | if (mpath->flags & MESH_PATH_ACTIVE) |
1529 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1530 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1531 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1532 | if (mpath->flags & MESH_PATH_SN_VALID) |
1533 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1534 | if (mpath->flags & MESH_PATH_FIXED) |
1535 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1536 | if (mpath->flags & MESH_PATH_RESOLVED) |
1537 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1538 | } |
1539 | ||
1540 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1541 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1542 | ||
1543 | { | |
14db74bc | 1544 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1545 | struct mesh_path *mpath; |
1546 | ||
14db74bc JB |
1547 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1548 | ||
c5dd9c2b | 1549 | rcu_read_lock(); |
bf7cd94d | 1550 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1551 | if (!mpath) { |
1552 | rcu_read_unlock(); | |
1553 | return -ENOENT; | |
1554 | } | |
1555 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1556 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1557 | rcu_read_unlock(); | |
1558 | return 0; | |
1559 | } | |
1560 | ||
1561 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1562 | int idx, u8 *dst, u8 *next_hop, |
1563 | struct mpath_info *pinfo) | |
c5dd9c2b | 1564 | { |
14db74bc | 1565 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1566 | struct mesh_path *mpath; |
1567 | ||
14db74bc JB |
1568 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1569 | ||
c5dd9c2b | 1570 | rcu_read_lock(); |
bf7cd94d | 1571 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1572 | if (!mpath) { |
1573 | rcu_read_unlock(); | |
1574 | return -ENOENT; | |
1575 | } | |
1576 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1577 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1578 | rcu_read_unlock(); | |
1579 | return 0; | |
1580 | } | |
93da9cc1 | 1581 | |
a2db2ed3 HR |
1582 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1583 | struct mpath_info *pinfo) | |
1584 | { | |
1585 | memset(pinfo, 0, sizeof(*pinfo)); | |
1586 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1587 | ||
1588 | pinfo->generation = mpp_paths_generation; | |
1589 | } | |
1590 | ||
1591 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1592 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1593 | ||
1594 | { | |
1595 | struct ieee80211_sub_if_data *sdata; | |
1596 | struct mesh_path *mpath; | |
1597 | ||
1598 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1599 | ||
1600 | rcu_read_lock(); | |
1601 | mpath = mpp_path_lookup(sdata, dst); | |
1602 | if (!mpath) { | |
1603 | rcu_read_unlock(); | |
1604 | return -ENOENT; | |
1605 | } | |
1606 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1607 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1608 | rcu_read_unlock(); | |
1609 | return 0; | |
1610 | } | |
1611 | ||
1612 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1613 | int idx, u8 *dst, u8 *mpp, | |
1614 | struct mpath_info *pinfo) | |
1615 | { | |
1616 | struct ieee80211_sub_if_data *sdata; | |
1617 | struct mesh_path *mpath; | |
1618 | ||
1619 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1620 | ||
1621 | rcu_read_lock(); | |
1622 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1623 | if (!mpath) { | |
1624 | rcu_read_unlock(); | |
1625 | return -ENOENT; | |
1626 | } | |
1627 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1628 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1629 | rcu_read_unlock(); | |
1630 | return 0; | |
1631 | } | |
1632 | ||
24bdd9f4 | 1633 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1634 | struct net_device *dev, |
1635 | struct mesh_config *conf) | |
1636 | { | |
1637 | struct ieee80211_sub_if_data *sdata; | |
1638 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1639 | ||
93da9cc1 | 1640 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1641 | return 0; | |
1642 | } | |
1643 | ||
1644 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1645 | { | |
1646 | return (mask >> (parm-1)) & 0x1; | |
1647 | } | |
1648 | ||
c80d545d JC |
1649 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1650 | const struct mesh_setup *setup) | |
1651 | { | |
1652 | u8 *new_ie; | |
1653 | const u8 *old_ie; | |
4bb62344 CYY |
1654 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1655 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1656 | |
581a8b0f | 1657 | /* allocate information elements */ |
c80d545d | 1658 | new_ie = NULL; |
581a8b0f | 1659 | old_ie = ifmsh->ie; |
c80d545d | 1660 | |
581a8b0f JC |
1661 | if (setup->ie_len) { |
1662 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1663 | GFP_KERNEL); |
1664 | if (!new_ie) | |
1665 | return -ENOMEM; | |
1666 | } | |
581a8b0f JC |
1667 | ifmsh->ie_len = setup->ie_len; |
1668 | ifmsh->ie = new_ie; | |
1669 | kfree(old_ie); | |
c80d545d JC |
1670 | |
1671 | /* now copy the rest of the setup parameters */ | |
1672 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1673 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1674 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1675 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1676 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1677 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1678 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1679 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1680 | if (setup->is_authenticated) | |
1681 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1682 | if (setup->is_secure) | |
1683 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1684 | |
4bb62344 CYY |
1685 | /* mcast rate setting in Mesh Node */ |
1686 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1687 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1688 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1689 | |
9bdbf04d MP |
1690 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1691 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1692 | ||
c80d545d JC |
1693 | return 0; |
1694 | } | |
1695 | ||
24bdd9f4 | 1696 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1697 | struct net_device *dev, u32 mask, |
1698 | const struct mesh_config *nconf) | |
93da9cc1 | 1699 | { |
1700 | struct mesh_config *conf; | |
1701 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1702 | struct ieee80211_if_mesh *ifmsh; |
1703 | ||
93da9cc1 | 1704 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1705 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1706 | |
93da9cc1 | 1707 | /* Set the config options which we are interested in setting */ |
1708 | conf = &(sdata->u.mesh.mshcfg); | |
1709 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1710 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1711 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1712 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1713 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1714 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1715 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1716 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1717 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1718 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1719 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1720 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1721 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1722 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1723 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1724 | if (ifmsh->user_mpm) | |
1725 | return -EBUSY; | |
93da9cc1 | 1726 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1727 | } |
d299a1f2 JC |
1728 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1729 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1730 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1731 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1732 | conf->dot11MeshHWMPmaxPREQretries = | |
1733 | nconf->dot11MeshHWMPmaxPREQretries; | |
1734 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1735 | conf->path_refresh_time = nconf->path_refresh_time; | |
1736 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1737 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1738 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1739 | conf->dot11MeshHWMPactivePathTimeout = | |
1740 | nconf->dot11MeshHWMPactivePathTimeout; | |
1741 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1742 | conf->dot11MeshHWMPpreqMinInterval = | |
1743 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1744 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1745 | conf->dot11MeshHWMPperrMinInterval = | |
1746 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1747 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1748 | mask)) | |
1749 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1750 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1751 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1752 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1753 | ieee80211_mesh_root_setup(ifmsh); | |
1754 | } | |
16dd7267 | 1755 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1756 | /* our current gate announcement implementation rides on root |
1757 | * announcements, so require this ifmsh to also be a root node | |
1758 | * */ | |
1759 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1760 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1761 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1762 | ieee80211_mesh_root_setup(ifmsh); |
1763 | } | |
16dd7267 JC |
1764 | conf->dot11MeshGateAnnouncementProtocol = |
1765 | nconf->dot11MeshGateAnnouncementProtocol; | |
1766 | } | |
a4f606ea | 1767 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1768 | conf->dot11MeshHWMPRannInterval = |
1769 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1770 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1771 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1772 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1773 | /* our RSSI threshold implementation is supported only for | |
1774 | * devices that report signal in dBm. | |
1775 | */ | |
30686bf7 | 1776 | if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) |
55335137 AN |
1777 | return -ENOTSUPP; |
1778 | conf->rssi_threshold = nconf->rssi_threshold; | |
1779 | } | |
70c33eaa AN |
1780 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1781 | conf->ht_opmode = nconf->ht_opmode; | |
1782 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1783 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1784 | } | |
ac1073a6 CYY |
1785 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1786 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1787 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1788 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1789 | conf->dot11MeshHWMProotInterval = | |
1790 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1791 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1792 | conf->dot11MeshHWMPconfirmationInterval = | |
1793 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1794 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1795 | conf->power_mode = nconf->power_mode; | |
1796 | ieee80211_mps_local_status_update(sdata); | |
1797 | } | |
2b5e1967 | 1798 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1799 | conf->dot11MeshAwakeWindowDuration = |
1800 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1801 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1802 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1803 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1804 | return 0; |
1805 | } | |
1806 | ||
29cbe68c JB |
1807 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1808 | const struct mesh_config *conf, | |
1809 | const struct mesh_setup *setup) | |
1810 | { | |
1811 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1812 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1813 | int err; |
29cbe68c | 1814 | |
c80d545d JC |
1815 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1816 | err = copy_mesh_setup(ifmsh, setup); | |
1817 | if (err) | |
1818 | return err; | |
cc1d2806 | 1819 | |
04ecd257 JB |
1820 | /* can mesh use other SMPS modes? */ |
1821 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1822 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1823 | ||
34a3740d | 1824 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1825 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1826 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1827 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1828 | if (err) |
1829 | return err; | |
1830 | ||
2b5e1967 | 1831 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1832 | } |
1833 | ||
1834 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1835 | { | |
1836 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1837 | ||
1838 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1839 | mutex_lock(&sdata->local->mtx); |
55de908a | 1840 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1841 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1842 | |
1843 | return 0; | |
1844 | } | |
c5dd9c2b LCC |
1845 | #endif |
1846 | ||
9f1ba906 JM |
1847 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1848 | struct net_device *dev, | |
1849 | struct bss_parameters *params) | |
1850 | { | |
55de908a JB |
1851 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1852 | enum ieee80211_band band; | |
9f1ba906 JM |
1853 | u32 changed = 0; |
1854 | ||
7ca133bc | 1855 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1856 | return -ENOENT; |
1857 | ||
1858 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1859 | |
9f1ba906 | 1860 | if (params->use_cts_prot >= 0) { |
bda3933a | 1861 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1862 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1863 | } | |
1864 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1865 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1866 | params->use_short_preamble; |
1867 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1868 | } | |
43d35343 FF |
1869 | |
1870 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1871 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1872 | sdata->vif.bss_conf.use_short_slot = true; |
1873 | changed |= BSS_CHANGED_ERP_SLOT; | |
1874 | } | |
1875 | ||
9f1ba906 | 1876 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1877 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1878 | params->use_short_slot_time; |
1879 | changed |= BSS_CHANGED_ERP_SLOT; | |
1880 | } | |
1881 | ||
90c97a04 | 1882 | if (params->basic_rates) { |
2103dec1 SW |
1883 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1884 | wiphy->bands[band], | |
1885 | params->basic_rates, | |
1886 | params->basic_rates_len, | |
1887 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
1888 | changed |= BSS_CHANGED_BASIC_RATES; |
1889 | } | |
1890 | ||
7b7b5e56 FF |
1891 | if (params->ap_isolate >= 0) { |
1892 | if (params->ap_isolate) | |
1893 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1894 | else | |
1895 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1896 | } | |
1897 | ||
80d7e403 HS |
1898 | if (params->ht_opmode >= 0) { |
1899 | sdata->vif.bss_conf.ht_operation_mode = | |
1900 | (u16) params->ht_opmode; | |
1901 | changed |= BSS_CHANGED_HT; | |
1902 | } | |
1903 | ||
339afbf4 | 1904 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1905 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1906 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1907 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1908 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1909 | changed |= BSS_CHANGED_P2P_PS; |
1910 | } | |
1911 | ||
67baf663 JD |
1912 | if (params->p2p_opp_ps > 0) { |
1913 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1914 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1915 | changed |= BSS_CHANGED_P2P_PS; | |
1916 | } else if (params->p2p_opp_ps == 0) { | |
1917 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1918 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1919 | changed |= BSS_CHANGED_P2P_PS; |
1920 | } | |
1921 | ||
9f1ba906 JM |
1922 | ieee80211_bss_info_change_notify(sdata, changed); |
1923 | ||
1924 | return 0; | |
1925 | } | |
1926 | ||
31888487 | 1927 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1928 | struct net_device *dev, |
31888487 JM |
1929 | struct ieee80211_txq_params *params) |
1930 | { | |
1931 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1932 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1933 | struct ieee80211_tx_queue_params p; |
1934 | ||
1935 | if (!local->ops->conf_tx) | |
1936 | return -EOPNOTSUPP; | |
1937 | ||
54bcbc69 JB |
1938 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1939 | return -EOPNOTSUPP; | |
1940 | ||
31888487 JM |
1941 | memset(&p, 0, sizeof(p)); |
1942 | p.aifs = params->aifs; | |
1943 | p.cw_max = params->cwmax; | |
1944 | p.cw_min = params->cwmin; | |
1945 | p.txop = params->txop; | |
ab13315a KV |
1946 | |
1947 | /* | |
1948 | * Setting tx queue params disables u-apsd because it's only | |
1949 | * called in master mode. | |
1950 | */ | |
1951 | p.uapsd = false; | |
1952 | ||
a3304b0a JB |
1953 | sdata->tx_conf[params->ac] = p; |
1954 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1955 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1956 | "failed to set TX queue parameters for AC %d\n", |
1957 | params->ac); | |
31888487 JM |
1958 | return -EINVAL; |
1959 | } | |
1960 | ||
7d25745d JB |
1961 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1962 | ||
31888487 JM |
1963 | return 0; |
1964 | } | |
1965 | ||
665af4fc | 1966 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1967 | static int ieee80211_suspend(struct wiphy *wiphy, |
1968 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1969 | { |
eecc4800 | 1970 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1971 | } |
1972 | ||
1973 | static int ieee80211_resume(struct wiphy *wiphy) | |
1974 | { | |
1975 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1976 | } | |
1977 | #else | |
1978 | #define ieee80211_suspend NULL | |
1979 | #define ieee80211_resume NULL | |
1980 | #endif | |
1981 | ||
2a519311 | 1982 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1983 | struct cfg80211_scan_request *req) |
1984 | { | |
fd014284 JB |
1985 | struct ieee80211_sub_if_data *sdata; |
1986 | ||
1987 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1988 | |
2ca27bcf JB |
1989 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1990 | case NL80211_IFTYPE_STATION: | |
1991 | case NL80211_IFTYPE_ADHOC: | |
1992 | case NL80211_IFTYPE_MESH_POINT: | |
1993 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1994 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1995 | break; |
1996 | case NL80211_IFTYPE_P2P_GO: | |
1997 | if (sdata->local->ops->hw_scan) | |
1998 | break; | |
e9d7732e JB |
1999 | /* |
2000 | * FIXME: implement NoA while scanning in software, | |
2001 | * for now fall through to allow scanning only when | |
2002 | * beaconing hasn't been configured yet | |
2003 | */ | |
2ca27bcf | 2004 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2005 | /* |
2006 | * If the scan has been forced (and the driver supports | |
2007 | * forcing), don't care about being beaconing already. | |
2008 | * This will create problems to the attached stations (e.g. all | |
2009 | * the frames sent while scanning on other channel will be | |
2010 | * lost) | |
2011 | */ | |
2012 | if (sdata->u.ap.beacon && | |
2013 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2014 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2015 | return -EOPNOTSUPP; |
2016 | break; | |
2017 | default: | |
2018 | return -EOPNOTSUPP; | |
2019 | } | |
2a519311 JB |
2020 | |
2021 | return ieee80211_request_scan(sdata, req); | |
2022 | } | |
2023 | ||
79f460ca LC |
2024 | static int |
2025 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2026 | struct net_device *dev, | |
2027 | struct cfg80211_sched_scan_request *req) | |
2028 | { | |
2029 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2030 | ||
2031 | if (!sdata->local->ops->sched_scan_start) | |
2032 | return -EOPNOTSUPP; | |
2033 | ||
2034 | return ieee80211_request_sched_scan_start(sdata, req); | |
2035 | } | |
2036 | ||
2037 | static int | |
85a9994a | 2038 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2039 | { |
2040 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2041 | ||
2042 | if (!sdata->local->ops->sched_scan_stop) | |
2043 | return -EOPNOTSUPP; | |
2044 | ||
85a9994a | 2045 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2046 | } |
2047 | ||
636a5d36 JM |
2048 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2049 | struct cfg80211_auth_request *req) | |
2050 | { | |
77fdaa12 | 2051 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2052 | } |
2053 | ||
2054 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2055 | struct cfg80211_assoc_request *req) | |
2056 | { | |
77fdaa12 | 2057 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2058 | } |
2059 | ||
2060 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2061 | struct cfg80211_deauth_request *req) |
636a5d36 | 2062 | { |
63c9c5e7 | 2063 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2064 | } |
2065 | ||
2066 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2067 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2068 | { |
63c9c5e7 | 2069 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2070 | } |
2071 | ||
af8cdcd8 JB |
2072 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2073 | struct cfg80211_ibss_params *params) | |
2074 | { | |
55de908a | 2075 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2076 | } |
2077 | ||
2078 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2079 | { | |
55de908a | 2080 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2081 | } |
2082 | ||
239281f8 RL |
2083 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2084 | struct ocb_setup *setup) | |
2085 | { | |
2086 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2087 | } | |
2088 | ||
2089 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2090 | { | |
2091 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2092 | } | |
2093 | ||
391e53e3 AQ |
2094 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2095 | int rate[IEEE80211_NUM_BANDS]) | |
2096 | { | |
2097 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2098 | ||
9887dbf5 CD |
2099 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2100 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2101 | |
2102 | return 0; | |
2103 | } | |
2104 | ||
b9a5f8ca JM |
2105 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2106 | { | |
2107 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2108 | int err; |
b9a5f8ca | 2109 | |
f23a4780 | 2110 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2111 | ieee80211_check_fast_xmit_all(local); |
2112 | ||
f23a4780 AN |
2113 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2114 | ||
17c18bf8 JB |
2115 | if (err) { |
2116 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2117 | return err; |
17c18bf8 | 2118 | } |
f23a4780 AN |
2119 | } |
2120 | ||
a4bcaf55 LB |
2121 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2122 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2123 | s16 coverage_class; | |
2124 | ||
2125 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2126 | wiphy->coverage_class : -1; | |
2127 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2128 | |
2129 | if (err) | |
2130 | return err; | |
2131 | } | |
2132 | ||
b9a5f8ca | 2133 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2134 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2135 | |
24487981 JB |
2136 | if (err) |
2137 | return err; | |
b9a5f8ca JM |
2138 | } |
2139 | ||
8bc83c24 JB |
2140 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2141 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2142 | return -EINVAL; | |
b9a5f8ca | 2143 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2144 | } |
2145 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2146 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2147 | return -EINVAL; | |
b9a5f8ca | 2148 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2149 | } |
b9a5f8ca JM |
2150 | if (changed & |
2151 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2152 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2153 | ||
2154 | return 0; | |
2155 | } | |
2156 | ||
7643a2c3 | 2157 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2158 | struct wireless_dev *wdev, |
fa61cf70 | 2159 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2160 | { |
2161 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2162 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2163 | enum nl80211_tx_power_setting txp_type = type; |
2164 | bool update_txp_type = false; | |
7643a2c3 | 2165 | |
1ea6f9c0 JB |
2166 | if (wdev) { |
2167 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2168 | ||
2169 | switch (type) { | |
2170 | case NL80211_TX_POWER_AUTOMATIC: | |
2171 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2172 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2173 | break; |
2174 | case NL80211_TX_POWER_LIMITED: | |
2175 | case NL80211_TX_POWER_FIXED: | |
2176 | if (mbm < 0 || (mbm % 100)) | |
2177 | return -EOPNOTSUPP; | |
2178 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2179 | break; | |
2180 | } | |
2181 | ||
db82d8a9 LB |
2182 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2183 | update_txp_type = true; | |
2184 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2185 | } | |
2186 | ||
2187 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2188 | |
2189 | return 0; | |
2190 | } | |
55de908a | 2191 | |
7643a2c3 | 2192 | switch (type) { |
fa61cf70 | 2193 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2194 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2195 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2196 | break; |
fa61cf70 | 2197 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2198 | case NL80211_TX_POWER_FIXED: |
2199 | if (mbm < 0 || (mbm % 100)) | |
2200 | return -EOPNOTSUPP; | |
fa61cf70 | 2201 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2202 | break; |
7643a2c3 JB |
2203 | } |
2204 | ||
1ea6f9c0 | 2205 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2206 | list_for_each_entry(sdata, &local->interfaces, list) { |
1ea6f9c0 | 2207 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2208 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2209 | update_txp_type = true; | |
2210 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2211 | } | |
1ea6f9c0 | 2212 | list_for_each_entry(sdata, &local->interfaces, list) |
db82d8a9 | 2213 | ieee80211_recalc_txpower(sdata, update_txp_type); |
1ea6f9c0 | 2214 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 JB |
2215 | |
2216 | return 0; | |
2217 | } | |
2218 | ||
c8442118 JB |
2219 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2220 | struct wireless_dev *wdev, | |
2221 | int *dbm) | |
7643a2c3 JB |
2222 | { |
2223 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2224 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2225 | |
5b3dc42b FF |
2226 | if (local->ops->get_txpower) |
2227 | return drv_get_txpower(local, sdata, dbm); | |
2228 | ||
1ea6f9c0 JB |
2229 | if (!local->use_chanctx) |
2230 | *dbm = local->hw.conf.power_level; | |
2231 | else | |
2232 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2233 | |
7643a2c3 JB |
2234 | return 0; |
2235 | } | |
2236 | ||
ab737a4f | 2237 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2238 | const u8 *addr) |
ab737a4f JB |
2239 | { |
2240 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2241 | ||
2242 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2243 | ||
2244 | return 0; | |
2245 | } | |
2246 | ||
1f87f7d3 JB |
2247 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2248 | { | |
2249 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2250 | ||
2251 | drv_rfkill_poll(local); | |
2252 | } | |
2253 | ||
aff89a9b | 2254 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2255 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2256 | struct wireless_dev *wdev, | |
2257 | void *data, int len) | |
aff89a9b JB |
2258 | { |
2259 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2260 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2261 | |
2262 | if (!local->ops->testmode_cmd) | |
2263 | return -EOPNOTSUPP; | |
2264 | ||
52981cd7 DS |
2265 | if (wdev) { |
2266 | struct ieee80211_sub_if_data *sdata; | |
2267 | ||
2268 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2269 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2270 | vif = &sdata->vif; | |
2271 | } | |
2272 | ||
2273 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2274 | } |
71063f0e WYG |
2275 | |
2276 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2277 | struct sk_buff *skb, | |
2278 | struct netlink_callback *cb, | |
2279 | void *data, int len) | |
2280 | { | |
2281 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2282 | ||
2283 | if (!local->ops->testmode_dump) | |
2284 | return -EOPNOTSUPP; | |
2285 | ||
2286 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2287 | } | |
aff89a9b JB |
2288 | #endif |
2289 | ||
687da132 EG |
2290 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2291 | enum ieee80211_smps_mode smps_mode) | |
2292 | { | |
2293 | struct sta_info *sta; | |
2294 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2295 | |
2296 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2297 | return -EINVAL; | |
2298 | ||
2299 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2300 | return 0; | |
2301 | ||
2302 | old_req = sdata->u.ap.req_smps; | |
2303 | sdata->u.ap.req_smps = smps_mode; | |
2304 | ||
2305 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2306 | if (old_req == smps_mode || | |
2307 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2308 | return 0; | |
2309 | ||
2310 | /* If no associated stations, there's no need to do anything */ | |
2311 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2312 | sdata->smps_mode = smps_mode; | |
2313 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2314 | return 0; | |
2315 | } | |
2316 | ||
2317 | ht_dbg(sdata, | |
6a8b4adb | 2318 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2319 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2320 | ||
2321 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2322 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2323 | /* | |
2324 | * Only stations associated to our AP and | |
2325 | * associated VLANs | |
2326 | */ | |
2327 | if (sta->sdata->bss != &sdata->u.ap) | |
2328 | continue; | |
687da132 | 2329 | |
7d9bb2f0 JB |
2330 | /* This station doesn't support MIMO - skip it */ |
2331 | if (sta_info_tx_streams(sta) == 1) | |
2332 | continue; | |
687da132 | 2333 | |
7d9bb2f0 JB |
2334 | /* |
2335 | * Don't wake up a STA just to send the action frame | |
2336 | * unless we are getting more restrictive. | |
2337 | */ | |
2338 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2339 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2340 | smps_mode)) { | |
2341 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2342 | sta->sta.addr); | |
2343 | continue; | |
2344 | } | |
687da132 | 2345 | |
7d9bb2f0 JB |
2346 | /* |
2347 | * If the STA is not authorized, wait until it gets | |
2348 | * authorized and the action frame will be sent then. | |
2349 | */ | |
2350 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2351 | continue; | |
687da132 | 2352 | |
7d9bb2f0 JB |
2353 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2354 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2355 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2356 | } |
2357 | mutex_unlock(&sdata->local->sta_mtx); | |
2358 | ||
2359 | sdata->smps_mode = smps_mode; | |
2360 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2361 | ||
2362 | return 0; | |
2363 | } | |
2364 | ||
2365 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2366 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2367 | { |
2368 | const u8 *ap; | |
2369 | enum ieee80211_smps_mode old_req; | |
2370 | int err; | |
d51c2ea3 AN |
2371 | struct sta_info *sta; |
2372 | bool tdls_peer_found = false; | |
0f78231b | 2373 | |
8d61ffa5 | 2374 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2375 | |
687da132 EG |
2376 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2377 | return -EINVAL; | |
2378 | ||
0f78231b JB |
2379 | old_req = sdata->u.mgd.req_smps; |
2380 | sdata->u.mgd.req_smps = smps_mode; | |
2381 | ||
2382 | if (old_req == smps_mode && | |
2383 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2384 | return 0; | |
2385 | ||
2386 | /* | |
2387 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2388 | * association, there's no need to do anything, just store |
2389 | * the new value until we associate. | |
0f78231b JB |
2390 | */ |
2391 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2392 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2393 | return 0; |
0f78231b | 2394 | |
0c1ad2ca | 2395 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2396 | |
d51c2ea3 AN |
2397 | rcu_read_lock(); |
2398 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2399 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2400 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2401 | continue; | |
2402 | ||
2403 | tdls_peer_found = true; | |
2404 | break; | |
2405 | } | |
2406 | rcu_read_unlock(); | |
2407 | ||
0f78231b | 2408 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2409 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2410 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2411 | else |
2412 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2413 | } |
2414 | ||
2415 | /* send SM PS frame to AP */ | |
2416 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2417 | ap, ap); | |
2418 | if (err) | |
2419 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2420 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2421 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2422 | |
2423 | return err; | |
2424 | } | |
2425 | ||
bc92afd9 JB |
2426 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2427 | bool enabled, int timeout) | |
2428 | { | |
2429 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2430 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2431 | |
2d3db210 | 2432 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2433 | return -EOPNOTSUPP; |
2434 | ||
30686bf7 | 2435 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2436 | return -EOPNOTSUPP; |
2437 | ||
2438 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2439 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2440 | return 0; |
2441 | ||
2442 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2443 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2444 | |
0f78231b | 2445 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2446 | sdata_lock(sdata); |
687da132 | 2447 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2448 | sdata_unlock(sdata); |
0f78231b | 2449 | |
30686bf7 | 2450 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2451 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2452 | ||
2453 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2454 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2455 | |
2456 | return 0; | |
2457 | } | |
2458 | ||
a97c13c3 JO |
2459 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2460 | struct net_device *dev, | |
2461 | s32 rssi_thold, u32 rssi_hyst) | |
2462 | { | |
2463 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2464 | struct ieee80211_vif *vif = &sdata->vif; |
2465 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2466 | ||
a97c13c3 JO |
2467 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2468 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2469 | return 0; | |
2470 | ||
2471 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2472 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2473 | ||
2474 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2475 | if (sdata->u.mgd.associated && |
2476 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2477 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2478 | ||
2479 | return 0; | |
2480 | } | |
2481 | ||
9930380f JB |
2482 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2483 | struct net_device *dev, | |
2484 | const u8 *addr, | |
2485 | const struct cfg80211_bitrate_mask *mask) | |
2486 | { | |
2487 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2488 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2489 | int i, ret; |
2c7e6bc9 | 2490 | |
554a43d5 EP |
2491 | if (!ieee80211_sdata_running(sdata)) |
2492 | return -ENETDOWN; | |
2493 | ||
30686bf7 | 2494 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
bdbfd6b5 SM |
2495 | ret = drv_set_bitrate_mask(local, sdata, mask); |
2496 | if (ret) | |
2497 | return ret; | |
2498 | } | |
9930380f | 2499 | |
19468413 | 2500 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2501 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2502 | int j; | |
2503 | ||
37eb0b16 | 2504 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2505 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2506 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2507 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2508 | mask->control[i].vht_mcs, | |
2509 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2510 | |
2511 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2512 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2513 | if (!sband) |
2514 | continue; | |
2515 | ||
b119ad6e LB |
2516 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2517 | if (~sdata->rc_rateidx_mcs_mask[i][j]) | |
2ffbe6d3 | 2518 | sdata->rc_has_mcs_mask[i] = true; |
b119ad6e LB |
2519 | |
2520 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) | |
2521 | sdata->rc_has_vht_mcs_mask[i] = true; | |
2522 | ||
2523 | if (sdata->rc_has_mcs_mask[i] && | |
2524 | sdata->rc_has_vht_mcs_mask[i]) | |
2ffbe6d3 | 2525 | break; |
b119ad6e | 2526 | } |
19468413 | 2527 | } |
9930380f | 2528 | |
37eb0b16 | 2529 | return 0; |
9930380f JB |
2530 | } |
2531 | ||
eaa336b0 EP |
2532 | static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local, |
2533 | struct ieee80211_roc_work *new_roc, | |
2534 | struct ieee80211_roc_work *cur_roc) | |
2535 | { | |
252ec2b3 JB |
2536 | unsigned long now = jiffies; |
2537 | unsigned long remaining = cur_roc->hw_start_time + | |
2538 | msecs_to_jiffies(cur_roc->duration) - | |
2539 | now; | |
eaa336b0 EP |
2540 | |
2541 | if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun)) | |
2542 | return false; | |
2543 | ||
252ec2b3 JB |
2544 | /* if it doesn't fit entirely, schedule a new one */ |
2545 | if (new_roc->duration > jiffies_to_msecs(remaining)) | |
eaa336b0 EP |
2546 | return false; |
2547 | ||
2548 | ieee80211_handle_roc_started(new_roc); | |
2549 | ||
252ec2b3 JB |
2550 | /* add to dependents so we send the expired event properly */ |
2551 | list_add_tail(&new_roc->list, &cur_roc->dependents); | |
eaa336b0 EP |
2552 | return true; |
2553 | } | |
2554 | ||
3b79af97 JB |
2555 | static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
2556 | { | |
2557 | lockdep_assert_held(&local->mtx); | |
2558 | ||
2559 | local->roc_cookie_counter++; | |
2560 | ||
2561 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2562 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
2563 | local->roc_cookie_counter++; | |
2564 | ||
2565 | return local->roc_cookie_counter; | |
2566 | } | |
2567 | ||
2eb278e0 JB |
2568 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2569 | struct ieee80211_sub_if_data *sdata, | |
2570 | struct ieee80211_channel *channel, | |
2eb278e0 | 2571 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2572 | struct sk_buff *txskb, |
2573 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2574 | { |
2575 | struct ieee80211_roc_work *roc, *tmp; | |
2576 | bool queued = false; | |
21f83589 | 2577 | int ret; |
21f83589 JB |
2578 | |
2579 | lockdep_assert_held(&local->mtx); | |
2580 | ||
fe57d9f5 JB |
2581 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2582 | return -EOPNOTSUPP; | |
2583 | ||
2eb278e0 JB |
2584 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2585 | if (!roc) | |
2586 | return -ENOMEM; | |
2587 | ||
2fae062e IP |
2588 | /* |
2589 | * If the duration is zero, then the driver | |
2590 | * wouldn't actually do anything. Set it to | |
2591 | * 10 for now. | |
2592 | * | |
2593 | * TODO: cancel the off-channel operation | |
2594 | * when we get the SKB's TX status and | |
2595 | * the wait time was zero before. | |
2596 | */ | |
2597 | if (!duration) | |
2598 | duration = 10; | |
2599 | ||
2eb278e0 | 2600 | roc->chan = channel; |
2eb278e0 JB |
2601 | roc->duration = duration; |
2602 | roc->req_duration = duration; | |
2603 | roc->frame = txskb; | |
d339d5ca | 2604 | roc->type = type; |
2eb278e0 JB |
2605 | roc->sdata = sdata; |
2606 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2607 | INIT_LIST_HEAD(&roc->dependents); | |
2608 | ||
2f617435 EP |
2609 | /* |
2610 | * cookie is either the roc cookie (for normal roc) | |
2611 | * or the SKB (for mgmt TX) | |
2612 | */ | |
2613 | if (!txskb) { | |
3b79af97 | 2614 | roc->cookie = ieee80211_mgmt_tx_cookie(local); |
2f617435 EP |
2615 | *cookie = roc->cookie; |
2616 | } else { | |
3b79af97 | 2617 | roc->mgmt_tx_cookie = *cookie; |
2f617435 EP |
2618 | } |
2619 | ||
2eb278e0 | 2620 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d | 2621 | if (!list_empty(&local->roc_list) || |
5cbc95a7 | 2622 | local->scanning || ieee80211_is_radar_required(local)) |
2eb278e0 JB |
2623 | goto out_check_combine; |
2624 | ||
2625 | /* if not HW assist, just queue & schedule work */ | |
2626 | if (!local->ops->remain_on_channel) { | |
2627 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2628 | goto out_queue; | |
2629 | } | |
2630 | ||
2631 | /* otherwise actually kick it off here (for error handling) */ | |
2632 | ||
d339d5ca | 2633 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2634 | if (ret) { |
2eb278e0 JB |
2635 | kfree(roc); |
2636 | return ret; | |
21f83589 JB |
2637 | } |
2638 | ||
2eb278e0 JB |
2639 | roc->started = true; |
2640 | goto out_queue; | |
2641 | ||
2642 | out_check_combine: | |
2643 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2644 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2645 | continue; |
2646 | ||
2647 | /* | |
2648 | * Extend this ROC if possible: | |
2649 | * | |
2650 | * If it hasn't started yet, just increase the duration | |
2651 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2652 | * If the type of the new ROC has higher priority, modify the |
2653 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2654 | */ |
2655 | if (!tmp->started) { | |
2656 | list_add_tail(&roc->list, &tmp->dependents); | |
2657 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2658 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2659 | queued = true; |
2660 | break; | |
2661 | } | |
2662 | ||
2663 | /* If it has already started, it's more difficult ... */ | |
2664 | if (local->ops->remain_on_channel) { | |
2eb278e0 JB |
2665 | /* |
2666 | * In the offloaded ROC case, if it hasn't begun, add | |
2667 | * this new one to the dependent list to be handled | |
d339d5ca | 2668 | * when the master one begins. If it has begun, |
252ec2b3 JB |
2669 | * check if it fits entirely within the existing one, |
2670 | * in which case it will just be dependent as well. | |
2671 | * Otherwise, schedule it by itself. | |
2eb278e0 JB |
2672 | */ |
2673 | if (!tmp->hw_begun) { | |
2674 | list_add_tail(&roc->list, &tmp->dependents); | |
2675 | queued = true; | |
2676 | break; | |
2677 | } | |
2678 | ||
eaa336b0 | 2679 | if (ieee80211_coalesce_started_roc(local, roc, tmp)) |
2eb278e0 | 2680 | queued = true; |
2eb278e0 JB |
2681 | } else if (del_timer_sync(&tmp->work.timer)) { |
2682 | unsigned long new_end; | |
2683 | ||
2684 | /* | |
2685 | * In the software ROC case, cancel the timer, if | |
2686 | * that fails then the finish work is already | |
2687 | * queued/pending and thus we queue the new ROC | |
2688 | * normally, if that succeeds then we can extend | |
2689 | * the timer duration and TX the frame (if any.) | |
2690 | */ | |
2691 | ||
2692 | list_add_tail(&roc->list, &tmp->dependents); | |
2693 | queued = true; | |
2694 | ||
2695 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2696 | ||
2697 | /* ok, it was started & we canceled timer */ | |
2698 | if (time_after(new_end, tmp->work.timer.expires)) | |
2699 | mod_timer(&tmp->work.timer, new_end); | |
2700 | else | |
2701 | add_timer(&tmp->work.timer); | |
2702 | ||
2703 | ieee80211_handle_roc_started(roc); | |
2704 | } | |
2705 | break; | |
2706 | } | |
2707 | ||
2708 | out_queue: | |
2709 | if (!queued) | |
2710 | list_add_tail(&roc->list, &local->roc_list); | |
2711 | ||
2eb278e0 | 2712 | return 0; |
21f83589 JB |
2713 | } |
2714 | ||
b8bc4b0a | 2715 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2716 | struct wireless_dev *wdev, |
b8bc4b0a | 2717 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2718 | unsigned int duration, |
2719 | u64 *cookie) | |
2720 | { | |
71bbc994 | 2721 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2722 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2723 | int ret; |
21f83589 | 2724 | |
2eb278e0 | 2725 | mutex_lock(&local->mtx); |
42d97a59 | 2726 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2727 | duration, cookie, NULL, |
2728 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2729 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2730 | |
2eb278e0 | 2731 | return ret; |
b8bc4b0a JB |
2732 | } |
2733 | ||
2eb278e0 JB |
2734 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2735 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2736 | { |
2eb278e0 | 2737 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2738 | int ret; |
2739 | ||
2eb278e0 JB |
2740 | mutex_lock(&local->mtx); |
2741 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2742 | struct ieee80211_roc_work *dep, *tmp2; |
2743 | ||
2744 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2745 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2746 | continue; |
2747 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2748 | continue; | |
2749 | /* found dependent item -- just remove it */ | |
2750 | list_del(&dep->list); | |
2751 | mutex_unlock(&local->mtx); | |
2752 | ||
3fbd45ca | 2753 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2754 | return 0; |
2755 | } | |
2756 | ||
50febf6a | 2757 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2758 | continue; |
2759 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2760 | continue; | |
21f83589 | 2761 | |
2eb278e0 JB |
2762 | found = roc; |
2763 | break; | |
2764 | } | |
21f83589 | 2765 | |
2eb278e0 JB |
2766 | if (!found) { |
2767 | mutex_unlock(&local->mtx); | |
2768 | return -ENOENT; | |
2769 | } | |
21f83589 | 2770 | |
e979e33c JB |
2771 | /* |
2772 | * We found the item to cancel, so do that. Note that it | |
2773 | * may have dependents, which we also cancel (and send | |
2774 | * the expired signal for.) Not doing so would be quite | |
2775 | * tricky here, but we may need to fix it later. | |
2776 | */ | |
2777 | ||
2eb278e0 JB |
2778 | if (local->ops->remain_on_channel) { |
2779 | if (found->started) { | |
2780 | ret = drv_cancel_remain_on_channel(local); | |
2781 | if (WARN_ON_ONCE(ret)) { | |
2782 | mutex_unlock(&local->mtx); | |
2783 | return ret; | |
2784 | } | |
2785 | } | |
21f83589 | 2786 | |
2eb278e0 | 2787 | list_del(&found->list); |
21f83589 | 2788 | |
0f6b3f59 JB |
2789 | if (found->started) |
2790 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2791 | mutex_unlock(&local->mtx); |
21f83589 | 2792 | |
3fbd45ca | 2793 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2794 | } else { |
2795 | /* work may be pending so use it all the time */ | |
2796 | found->abort = true; | |
2797 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2798 | |
21f83589 JB |
2799 | mutex_unlock(&local->mtx); |
2800 | ||
2eb278e0 JB |
2801 | /* work will clean up etc */ |
2802 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2803 | WARN_ON(!found->to_be_freed); |
2804 | kfree(found); | |
21f83589 | 2805 | } |
b8bc4b0a | 2806 | |
2eb278e0 | 2807 | return 0; |
b8bc4b0a JB |
2808 | } |
2809 | ||
2eb278e0 | 2810 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2811 | struct wireless_dev *wdev, |
2eb278e0 | 2812 | u64 cookie) |
f30221e4 | 2813 | { |
71bbc994 | 2814 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2815 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2816 | |
2eb278e0 | 2817 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2818 | } |
2819 | ||
164eb02d SW |
2820 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2821 | struct net_device *dev, | |
31559f35 JD |
2822 | struct cfg80211_chan_def *chandef, |
2823 | u32 cac_time_ms) | |
164eb02d SW |
2824 | { |
2825 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2826 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2827 | int err; |
2828 | ||
34a3740d JB |
2829 | mutex_lock(&local->mtx); |
2830 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2831 | err = -EBUSY; | |
2832 | goto out_unlock; | |
2833 | } | |
164eb02d SW |
2834 | |
2835 | /* whatever, but channel contexts should not complain about that one */ | |
2836 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2837 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2838 | |
164eb02d SW |
2839 | err = ieee80211_vif_use_channel(sdata, chandef, |
2840 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2841 | if (err) |
34a3740d | 2842 | goto out_unlock; |
164eb02d | 2843 | |
164eb02d | 2844 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2845 | &sdata->dfs_cac_timer_work, |
2846 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2847 | |
34a3740d JB |
2848 | out_unlock: |
2849 | mutex_unlock(&local->mtx); | |
2850 | return err; | |
164eb02d SW |
2851 | } |
2852 | ||
73da7d5b SW |
2853 | static struct cfg80211_beacon_data * |
2854 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2855 | { | |
2856 | struct cfg80211_beacon_data *new_beacon; | |
2857 | u8 *pos; | |
2858 | int len; | |
2859 | ||
2860 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2861 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2862 | beacon->probe_resp_len; | |
2863 | ||
2864 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2865 | if (!new_beacon) | |
2866 | return NULL; | |
2867 | ||
2868 | pos = (u8 *)(new_beacon + 1); | |
2869 | if (beacon->head_len) { | |
2870 | new_beacon->head_len = beacon->head_len; | |
2871 | new_beacon->head = pos; | |
2872 | memcpy(pos, beacon->head, beacon->head_len); | |
2873 | pos += beacon->head_len; | |
2874 | } | |
2875 | if (beacon->tail_len) { | |
2876 | new_beacon->tail_len = beacon->tail_len; | |
2877 | new_beacon->tail = pos; | |
2878 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2879 | pos += beacon->tail_len; | |
2880 | } | |
2881 | if (beacon->beacon_ies_len) { | |
2882 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2883 | new_beacon->beacon_ies = pos; | |
2884 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2885 | pos += beacon->beacon_ies_len; | |
2886 | } | |
2887 | if (beacon->proberesp_ies_len) { | |
2888 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2889 | new_beacon->proberesp_ies = pos; | |
2890 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2891 | pos += beacon->proberesp_ies_len; | |
2892 | } | |
2893 | if (beacon->assocresp_ies_len) { | |
2894 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2895 | new_beacon->assocresp_ies = pos; | |
2896 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2897 | pos += beacon->assocresp_ies_len; | |
2898 | } | |
2899 | if (beacon->probe_resp_len) { | |
2900 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2901 | beacon->probe_resp = pos; | |
2902 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2903 | pos += beacon->probe_resp_len; | |
2904 | } | |
2905 | ||
2906 | return new_beacon; | |
2907 | } | |
2908 | ||
66e01cf9 | 2909 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2910 | { |
66e01cf9 | 2911 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2912 | |
66e01cf9 LC |
2913 | ieee80211_queue_work(&sdata->local->hw, |
2914 | &sdata->csa_finalize_work); | |
2915 | } | |
2916 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2917 | |
66199506 MK |
2918 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2919 | u32 *changed) | |
66e01cf9 | 2920 | { |
66199506 | 2921 | int err; |
7578d575 | 2922 | |
cd7760e6 SW |
2923 | switch (sdata->vif.type) { |
2924 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2925 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2926 | NULL); | |
97518af1 MK |
2927 | kfree(sdata->u.ap.next_beacon); |
2928 | sdata->u.ap.next_beacon = NULL; | |
2929 | ||
cd7760e6 | 2930 | if (err < 0) |
66199506 MK |
2931 | return err; |
2932 | *changed |= err; | |
cd7760e6 SW |
2933 | break; |
2934 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2935 | err = ieee80211_ibss_finish_csa(sdata); |
2936 | if (err < 0) | |
66199506 MK |
2937 | return err; |
2938 | *changed |= err; | |
cd7760e6 | 2939 | break; |
b8456a14 CYY |
2940 | #ifdef CONFIG_MAC80211_MESH |
2941 | case NL80211_IFTYPE_MESH_POINT: | |
2942 | err = ieee80211_mesh_finish_csa(sdata); | |
2943 | if (err < 0) | |
66199506 MK |
2944 | return err; |
2945 | *changed |= err; | |
b8456a14 CYY |
2946 | break; |
2947 | #endif | |
cd7760e6 SW |
2948 | default: |
2949 | WARN_ON(1); | |
66199506 MK |
2950 | return -EINVAL; |
2951 | } | |
2952 | ||
2953 | return 0; | |
2954 | } | |
2955 | ||
cf8767dd | 2956 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2957 | { |
2958 | struct ieee80211_local *local = sdata->local; | |
2959 | u32 changed = 0; | |
2960 | int err; | |
2961 | ||
2962 | sdata_assert_lock(sdata); | |
2963 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2964 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2965 | |
03078de4 MK |
2966 | /* |
2967 | * using reservation isn't immediate as it may be deferred until later | |
2968 | * with multi-vif. once reservation is complete it will re-schedule the | |
2969 | * work with no reserved_chanctx so verify chandef to check if it | |
2970 | * completed successfully | |
2971 | */ | |
66199506 | 2972 | |
03078de4 MK |
2973 | if (sdata->reserved_chanctx) { |
2974 | /* | |
2975 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2976 | * many times while waiting for other interfaces to use their | |
2977 | * reservations | |
2978 | */ | |
2979 | if (sdata->reserved_ready) | |
2980 | return 0; | |
2981 | ||
408b18ab | 2982 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2983 | } |
73da7d5b | 2984 | |
03078de4 MK |
2985 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
2986 | &sdata->csa_chandef)) | |
2987 | return -EINVAL; | |
2988 | ||
66199506 MK |
2989 | sdata->vif.csa_active = false; |
2990 | ||
2991 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2992 | if (err) | |
cf8767dd | 2993 | return err; |
faf046e7 | 2994 | |
66199506 | 2995 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 2996 | |
a46992b4 LC |
2997 | if (sdata->csa_block_tx) { |
2998 | ieee80211_wake_vif_queues(local, sdata, | |
2999 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3000 | sdata->csa_block_tx = false; | |
3001 | } | |
cf8767dd | 3002 | |
f1d65583 LC |
3003 | err = drv_post_channel_switch(sdata); |
3004 | if (err) | |
3005 | return err; | |
3006 | ||
3007 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
3008 | ||
cf8767dd MK |
3009 | return 0; |
3010 | } | |
3011 | ||
3012 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
3013 | { | |
3014 | if (__ieee80211_csa_finalize(sdata)) { | |
3015 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
3016 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
3017 | GFP_KERNEL); | |
3018 | } | |
66e01cf9 LC |
3019 | } |
3020 | ||
3021 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
3022 | { | |
3023 | struct ieee80211_sub_if_data *sdata = | |
3024 | container_of(work, struct ieee80211_sub_if_data, | |
3025 | csa_finalize_work); | |
59af6928 | 3026 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
3027 | |
3028 | sdata_lock(sdata); | |
59af6928 | 3029 | mutex_lock(&local->mtx); |
03078de4 | 3030 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 3031 | |
66e01cf9 LC |
3032 | /* AP might have been stopped while waiting for the lock. */ |
3033 | if (!sdata->vif.csa_active) | |
3034 | goto unlock; | |
3035 | ||
3036 | if (!ieee80211_sdata_running(sdata)) | |
3037 | goto unlock; | |
3038 | ||
3039 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3040 | |
3041 | unlock: | |
03078de4 | 3042 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 3043 | mutex_unlock(&local->mtx); |
e487eaeb | 3044 | sdata_unlock(sdata); |
73da7d5b SW |
3045 | } |
3046 | ||
37fa2bdd MK |
3047 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3048 | struct cfg80211_csa_settings *params, | |
3049 | u32 *changed) | |
73da7d5b | 3050 | { |
af296bdb | 3051 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 3052 | int err; |
73da7d5b | 3053 | |
73da7d5b SW |
3054 | switch (sdata->vif.type) { |
3055 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3056 | sdata->u.ap.next_beacon = |
3057 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3058 | if (!sdata->u.ap.next_beacon) | |
3059 | return -ENOMEM; | |
3060 | ||
66e01cf9 LC |
3061 | /* |
3062 | * With a count of 0, we don't have to wait for any | |
3063 | * TBTT before switching, so complete the CSA | |
3064 | * immediately. In theory, with a count == 1 we | |
3065 | * should delay the switch until just before the next | |
3066 | * TBTT, but that would complicate things so we switch | |
3067 | * immediately too. If we would delay the switch | |
3068 | * until the next TBTT, we would have to set the probe | |
3069 | * response here. | |
3070 | * | |
3071 | * TODO: A channel switch with count <= 1 without | |
3072 | * sending a CSA action frame is kind of useless, | |
3073 | * because the clients won't know we're changing | |
3074 | * channels. The action frame must be implemented | |
3075 | * either here or in the userspace. | |
3076 | */ | |
3077 | if (params->count <= 1) | |
3078 | break; | |
3079 | ||
0d06d9ba AO |
3080 | if ((params->n_counter_offsets_beacon > |
3081 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3082 | (params->n_counter_offsets_presp > | |
3083 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3084 | return -EINVAL; | |
9a774c78 | 3085 | |
af296bdb MK |
3086 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
3087 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
3088 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
3089 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
3090 | csa.count = params->count; | |
9a774c78 | 3091 | |
af296bdb | 3092 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
3093 | if (err < 0) { |
3094 | kfree(sdata->u.ap.next_beacon); | |
3095 | return err; | |
3096 | } | |
37fa2bdd | 3097 | *changed |= err; |
66e01cf9 | 3098 | |
cd7760e6 SW |
3099 | break; |
3100 | case NL80211_IFTYPE_ADHOC: | |
3101 | if (!sdata->vif.bss_conf.ibss_joined) | |
3102 | return -EINVAL; | |
3103 | ||
3104 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3105 | return -EINVAL; | |
3106 | ||
3107 | switch (params->chandef.width) { | |
3108 | case NL80211_CHAN_WIDTH_40: | |
3109 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3110 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3111 | return -EINVAL; | |
3112 | case NL80211_CHAN_WIDTH_5: | |
3113 | case NL80211_CHAN_WIDTH_10: | |
3114 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3115 | case NL80211_CHAN_WIDTH_20: | |
3116 | break; | |
3117 | default: | |
3118 | return -EINVAL; | |
3119 | } | |
3120 | ||
3121 | /* changes into another band are not supported */ | |
3122 | if (sdata->u.ibss.chandef.chan->band != | |
3123 | params->chandef.chan->band) | |
3124 | return -EINVAL; | |
3125 | ||
66e01cf9 LC |
3126 | /* see comments in the NL80211_IFTYPE_AP block */ |
3127 | if (params->count > 1) { | |
3128 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3129 | if (err < 0) | |
3130 | return err; | |
37fa2bdd | 3131 | *changed |= err; |
66e01cf9 LC |
3132 | } |
3133 | ||
3134 | ieee80211_send_action_csa(sdata, params); | |
3135 | ||
73da7d5b | 3136 | break; |
c6da674a | 3137 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3138 | case NL80211_IFTYPE_MESH_POINT: { |
3139 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3140 | |
c6da674a CYY |
3141 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3142 | return -EINVAL; | |
3143 | ||
3144 | /* changes into another band are not supported */ | |
3145 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3146 | params->chandef.chan->band) | |
3147 | return -EINVAL; | |
3148 | ||
c782bf8c | 3149 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3150 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3151 | if (!ifmsh->pre_value) |
3152 | ifmsh->pre_value = 1; | |
3153 | else | |
3154 | ifmsh->pre_value++; | |
3155 | } | |
0cb4d4dc | 3156 | |
66e01cf9 LC |
3157 | /* see comments in the NL80211_IFTYPE_AP block */ |
3158 | if (params->count > 1) { | |
3159 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3160 | if (err < 0) { | |
3161 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3162 | return err; | |
3163 | } | |
37fa2bdd | 3164 | *changed |= err; |
3f718fd8 | 3165 | } |
66e01cf9 LC |
3166 | |
3167 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3168 | ieee80211_send_action_csa(sdata, params); | |
3169 | ||
c6da674a | 3170 | break; |
37fa2bdd | 3171 | } |
c6da674a | 3172 | #endif |
73da7d5b SW |
3173 | default: |
3174 | return -EOPNOTSUPP; | |
3175 | } | |
3176 | ||
37fa2bdd MK |
3177 | return 0; |
3178 | } | |
3179 | ||
f29f58a9 LC |
3180 | static int |
3181 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3182 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3183 | { |
3184 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3185 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 3186 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 3187 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 3188 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
3189 | u32 changed = 0; |
3190 | int err; | |
37fa2bdd MK |
3191 | |
3192 | sdata_assert_lock(sdata); | |
59af6928 | 3193 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3194 | |
3195 | if (!list_empty(&local->roc_list) || local->scanning) | |
3196 | return -EBUSY; | |
3197 | ||
3198 | if (sdata->wdev.cac_started) | |
3199 | return -EBUSY; | |
3200 | ||
3201 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3202 | &sdata->vif.bss_conf.chandef)) | |
3203 | return -EINVAL; | |
3204 | ||
03078de4 MK |
3205 | /* don't allow another channel switch if one is already active. */ |
3206 | if (sdata->vif.csa_active) | |
3207 | return -EBUSY; | |
3208 | ||
2b32713d MK |
3209 | mutex_lock(&local->chanctx_mtx); |
3210 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3211 | lockdep_is_held(&local->chanctx_mtx)); | |
3212 | if (!conf) { | |
03078de4 MK |
3213 | err = -EBUSY; |
3214 | goto out; | |
37fa2bdd MK |
3215 | } |
3216 | ||
2b32713d | 3217 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
03078de4 MK |
3218 | if (!chanctx) { |
3219 | err = -EBUSY; | |
3220 | goto out; | |
37fa2bdd | 3221 | } |
37fa2bdd | 3222 | |
000baa5d LC |
3223 | ch_switch.timestamp = 0; |
3224 | ch_switch.device_timestamp = 0; | |
3225 | ch_switch.block_tx = params->block_tx; | |
3226 | ch_switch.chandef = params->chandef; | |
3227 | ch_switch.count = params->count; | |
3228 | ||
6d027bcc LC |
3229 | err = drv_pre_channel_switch(sdata, &ch_switch); |
3230 | if (err) | |
3231 | goto out; | |
3232 | ||
03078de4 MK |
3233 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
3234 | chanctx->mode, | |
3235 | params->radar_required); | |
3236 | if (err) | |
3237 | goto out; | |
37fa2bdd | 3238 | |
03078de4 MK |
3239 | /* if reservation is invalid then this will fail */ |
3240 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
3241 | if (err) { | |
3242 | ieee80211_vif_unreserve_chanctx(sdata); | |
3243 | goto out; | |
3244 | } | |
37fa2bdd MK |
3245 | |
3246 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
3247 | if (err) { |
3248 | ieee80211_vif_unreserve_chanctx(sdata); | |
3249 | goto out; | |
3250 | } | |
37fa2bdd | 3251 | |
33787fc4 | 3252 | sdata->csa_chandef = params->chandef; |
59af6928 | 3253 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3254 | sdata->vif.csa_active = true; |
3255 | ||
59af6928 | 3256 | if (sdata->csa_block_tx) |
a46992b4 LC |
3257 | ieee80211_stop_vif_queues(local, sdata, |
3258 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3259 | |
2f457293 LC |
3260 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
3261 | params->count); | |
3262 | ||
66e01cf9 LC |
3263 | if (changed) { |
3264 | ieee80211_bss_info_change_notify(sdata, changed); | |
3265 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3266 | } else { | |
3267 | /* if the beacon didn't change, we can finalize immediately */ | |
3268 | ieee80211_csa_finalize(sdata); | |
3269 | } | |
73da7d5b | 3270 | |
03078de4 MK |
3271 | out: |
3272 | mutex_unlock(&local->chanctx_mtx); | |
3273 | return err; | |
73da7d5b SW |
3274 | } |
3275 | ||
59af6928 MK |
3276 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3277 | struct cfg80211_csa_settings *params) | |
3278 | { | |
3279 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3280 | struct ieee80211_local *local = sdata->local; | |
3281 | int err; | |
3282 | ||
3283 | mutex_lock(&local->mtx); | |
3284 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3285 | mutex_unlock(&local->mtx); | |
3286 | ||
3287 | return err; | |
3288 | } | |
3289 | ||
3b79af97 JB |
3290 | static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local, |
3291 | struct sk_buff *skb, u64 *cookie, | |
3292 | gfp_t gfp) | |
3293 | { | |
3294 | unsigned long spin_flags; | |
3295 | struct sk_buff *ack_skb; | |
3296 | int id; | |
3297 | ||
3298 | ack_skb = skb_copy(skb, gfp); | |
3299 | if (!ack_skb) | |
3300 | return ERR_PTR(-ENOMEM); | |
3301 | ||
3302 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3303 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3304 | 1, 0x10000, GFP_ATOMIC); | |
3305 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3306 | ||
3307 | if (id < 0) { | |
3308 | kfree_skb(ack_skb); | |
3309 | return ERR_PTR(-ENOMEM); | |
3310 | } | |
3311 | ||
3312 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3313 | ||
3314 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3315 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3316 | ||
3317 | return ack_skb; | |
3318 | } | |
3319 | ||
71bbc994 | 3320 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3321 | struct cfg80211_mgmt_tx_params *params, |
3322 | u64 *cookie) | |
026331c4 | 3323 | { |
71bbc994 | 3324 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d | 3325 | struct ieee80211_local *local = sdata->local; |
b2eb0ee6 | 3326 | struct sk_buff *skb, *ack_skb; |
9d38d85d | 3327 | struct sta_info *sta; |
b176e629 | 3328 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3329 | bool need_offchan = false; |
e247bd90 | 3330 | u32 flags; |
2eb278e0 | 3331 | int ret; |
387910cc | 3332 | u8 *data; |
f7ca38df | 3333 | |
b176e629 | 3334 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3335 | flags = IEEE80211_TX_CTL_NO_ACK; |
3336 | else | |
3337 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3338 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3339 | ||
b176e629 | 3340 | if (params->no_cck) |
aad14ceb RM |
3341 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3342 | ||
9d38d85d JB |
3343 | switch (sdata->vif.type) { |
3344 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3345 | if (!sdata->vif.bss_conf.ibss_joined) |
3346 | need_offchan = true; | |
3347 | /* fall through */ | |
3348 | #ifdef CONFIG_MAC80211_MESH | |
3349 | case NL80211_IFTYPE_MESH_POINT: | |
3350 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3351 | !sdata->u.mesh.mesh_id_len) | |
3352 | need_offchan = true; | |
3353 | /* fall through */ | |
3354 | #endif | |
663fcafd JB |
3355 | case NL80211_IFTYPE_AP: |
3356 | case NL80211_IFTYPE_AP_VLAN: | |
3357 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3358 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3359 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3360 | !rcu_access_pointer(sdata->bss->beacon)) | |
3361 | need_offchan = true; | |
663fcafd | 3362 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3363 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3364 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3365 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3366 | break; |
3367 | rcu_read_lock(); | |
3368 | sta = sta_info_get(sdata, mgmt->da); | |
3369 | rcu_read_unlock(); | |
3370 | if (!sta) | |
3371 | return -ENOLINK; | |
3372 | break; | |
3373 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3374 | case NL80211_IFTYPE_P2P_CLIENT: |
b8e69d51 MG |
3375 | sdata_lock(sdata); |
3376 | if (!sdata->u.mgd.associated || | |
3377 | (params->offchan && params->wait && | |
3378 | local->ops->remain_on_channel && | |
3379 | memcmp(sdata->u.mgd.associated->bssid, | |
3380 | mgmt->bssid, ETH_ALEN))) | |
2eb278e0 | 3381 | need_offchan = true; |
b8e69d51 | 3382 | sdata_unlock(sdata); |
9d38d85d | 3383 | break; |
f142c6b9 JB |
3384 | case NL80211_IFTYPE_P2P_DEVICE: |
3385 | need_offchan = true; | |
3386 | break; | |
9d38d85d JB |
3387 | default: |
3388 | return -EOPNOTSUPP; | |
3389 | } | |
3390 | ||
f7aeb6fb AQ |
3391 | /* configurations requiring offchan cannot work if no channel has been |
3392 | * specified | |
3393 | */ | |
b176e629 | 3394 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3395 | return -EINVAL; |
3396 | ||
2eb278e0 JB |
3397 | mutex_lock(&local->mtx); |
3398 | ||
3399 | /* Check if the operating channel is the requested channel */ | |
3400 | if (!need_offchan) { | |
55de908a JB |
3401 | struct ieee80211_chanctx_conf *chanctx_conf; |
3402 | ||
3403 | rcu_read_lock(); | |
3404 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3405 | ||
f7aeb6fb | 3406 | if (chanctx_conf) { |
b176e629 AO |
3407 | need_offchan = params->chan && |
3408 | (params->chan != | |
3409 | chanctx_conf->def.chan); | |
3410 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3411 | ret = -EINVAL; |
3412 | rcu_read_unlock(); | |
3413 | goto out_unlock; | |
3414 | } else { | |
2eb278e0 | 3415 | need_offchan = true; |
f7aeb6fb | 3416 | } |
55de908a | 3417 | rcu_read_unlock(); |
2eb278e0 JB |
3418 | } |
3419 | ||
b176e629 | 3420 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3421 | ret = -EBUSY; |
3422 | goto out_unlock; | |
3423 | } | |
3424 | ||
b176e629 | 3425 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3426 | if (!skb) { |
3427 | ret = -ENOMEM; | |
3428 | goto out_unlock; | |
3429 | } | |
9d38d85d JB |
3430 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3431 | ||
387910cc AO |
3432 | data = skb_put(skb, params->len); |
3433 | memcpy(data, params->buf, params->len); | |
3434 | ||
3435 | /* Update CSA counters */ | |
3436 | if (sdata->vif.csa_active && | |
3437 | (sdata->vif.type == NL80211_IFTYPE_AP || | |
8df734e8 | 3438 | sdata->vif.type == NL80211_IFTYPE_MESH_POINT || |
387910cc AO |
3439 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && |
3440 | params->n_csa_offsets) { | |
3441 | int i; | |
af296bdb | 3442 | struct beacon_data *beacon = NULL; |
387910cc | 3443 | |
af296bdb MK |
3444 | rcu_read_lock(); |
3445 | ||
3446 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
3447 | beacon = rcu_dereference(sdata->u.ap.beacon); | |
3448 | else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
3449 | beacon = rcu_dereference(sdata->u.ibss.presp); | |
3450 | else if (ieee80211_vif_is_mesh(&sdata->vif)) | |
3451 | beacon = rcu_dereference(sdata->u.mesh.beacon); | |
3452 | ||
3453 | if (beacon) | |
3454 | for (i = 0; i < params->n_csa_offsets; i++) | |
3455 | data[params->csa_offsets[i]] = | |
3456 | beacon->csa_current_counter; | |
3457 | ||
3458 | rcu_read_unlock(); | |
387910cc | 3459 | } |
9d38d85d JB |
3460 | |
3461 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3462 | ||
3463 | skb->dev = sdata->dev; | |
9d38d85d | 3464 | |
b2eb0ee6 | 3465 | if (!params->dont_wait_for_ack) { |
3b79af97 | 3466 | /* make a copy to preserve the frame contents |
b2eb0ee6 JB |
3467 | * in case of encryption. |
3468 | */ | |
3b79af97 JB |
3469 | ack_skb = ieee80211_make_ack_skb(local, skb, cookie, |
3470 | GFP_KERNEL); | |
3471 | if (IS_ERR(ack_skb)) { | |
3472 | ret = PTR_ERR(ack_skb); | |
b2eb0ee6 JB |
3473 | kfree_skb(skb); |
3474 | goto out_unlock; | |
3475 | } | |
b2eb0ee6 JB |
3476 | } else { |
3477 | /* for cookie below */ | |
3478 | ack_skb = skb; | |
3479 | } | |
3480 | ||
2eb278e0 | 3481 | if (!need_offchan) { |
f30221e4 | 3482 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3483 | ret = 0; |
3484 | goto out_unlock; | |
f30221e4 JB |
3485 | } |
3486 | ||
6c17b77b SF |
3487 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3488 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
30686bf7 | 3489 | if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL)) |
2eb278e0 JB |
3490 | IEEE80211_SKB_CB(skb)->hw_queue = |
3491 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3492 | |
2eb278e0 | 3493 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3494 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3495 | params->wait, cookie, skb, | |
d339d5ca | 3496 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3497 | if (ret) |
3498 | kfree_skb(skb); | |
3499 | out_unlock: | |
3500 | mutex_unlock(&local->mtx); | |
3501 | return ret; | |
026331c4 JM |
3502 | } |
3503 | ||
f30221e4 | 3504 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3505 | struct wireless_dev *wdev, |
f30221e4 JB |
3506 | u64 cookie) |
3507 | { | |
71bbc994 | 3508 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3509 | |
2eb278e0 | 3510 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3511 | } |
3512 | ||
7be5086d | 3513 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3514 | struct wireless_dev *wdev, |
7be5086d JB |
3515 | u16 frame_type, bool reg) |
3516 | { | |
3517 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3518 | ||
6abe0563 | 3519 | switch (frame_type) { |
6abe0563 WH |
3520 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3521 | if (reg) | |
3522 | local->probe_req_reg++; | |
3523 | else | |
3524 | local->probe_req_reg--; | |
7be5086d | 3525 | |
35f5149e FF |
3526 | if (!local->open_count) |
3527 | break; | |
3528 | ||
6abe0563 WH |
3529 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3530 | break; | |
3531 | default: | |
3532 | break; | |
3533 | } | |
7be5086d JB |
3534 | } |
3535 | ||
15d96753 BR |
3536 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3537 | { | |
3538 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3539 | ||
3540 | if (local->started) | |
3541 | return -EOPNOTSUPP; | |
3542 | ||
3543 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3544 | } | |
3545 | ||
3546 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3547 | { | |
3548 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3549 | ||
3550 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3551 | } | |
3552 | ||
c68f4b89 JB |
3553 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3554 | struct net_device *dev, | |
3555 | struct cfg80211_gtk_rekey_data *data) | |
3556 | { | |
3557 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3558 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3559 | ||
3560 | if (!local->ops->set_rekey_data) | |
3561 | return -EOPNOTSUPP; | |
3562 | ||
3563 | drv_set_rekey_data(local, sdata, data); | |
3564 | ||
3565 | return 0; | |
3566 | } | |
3567 | ||
06500736 JB |
3568 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3569 | const u8 *peer, u64 *cookie) | |
3570 | { | |
3571 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3572 | struct ieee80211_local *local = sdata->local; | |
3573 | struct ieee80211_qos_hdr *nullfunc; | |
3b79af97 | 3574 | struct sk_buff *skb, *ack_skb; |
06500736 JB |
3575 | int size = sizeof(*nullfunc); |
3576 | __le16 fc; | |
3577 | bool qos; | |
3578 | struct ieee80211_tx_info *info; | |
3579 | struct sta_info *sta; | |
55de908a JB |
3580 | struct ieee80211_chanctx_conf *chanctx_conf; |
3581 | enum ieee80211_band band; | |
3b79af97 JB |
3582 | int ret; |
3583 | ||
3584 | /* the lock is needed to assign the cookie later */ | |
3585 | mutex_lock(&local->mtx); | |
06500736 JB |
3586 | |
3587 | rcu_read_lock(); | |
55de908a JB |
3588 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3589 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3590 | ret = -EINVAL; |
3591 | goto unlock; | |
55de908a | 3592 | } |
4bf88530 | 3593 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3594 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3595 | if (sta) { |
a74a8c84 | 3596 | qos = sta->sta.wme; |
b4487c2d | 3597 | } else { |
3b79af97 JB |
3598 | ret = -ENOLINK; |
3599 | goto unlock; | |
b4487c2d | 3600 | } |
06500736 JB |
3601 | |
3602 | if (qos) { | |
3603 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3604 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3605 | IEEE80211_FCTL_FROMDS); | |
3606 | } else { | |
3607 | size -= 2; | |
3608 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3609 | IEEE80211_STYPE_NULLFUNC | | |
3610 | IEEE80211_FCTL_FROMDS); | |
3611 | } | |
3612 | ||
3613 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3614 | if (!skb) { |
3b79af97 JB |
3615 | ret = -ENOMEM; |
3616 | goto unlock; | |
55de908a | 3617 | } |
06500736 JB |
3618 | |
3619 | skb->dev = dev; | |
3620 | ||
3621 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3622 | ||
3623 | nullfunc = (void *) skb_put(skb, size); | |
3624 | nullfunc->frame_control = fc; | |
3625 | nullfunc->duration_id = 0; | |
3626 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3627 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3628 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3629 | nullfunc->seq_ctrl = 0; | |
3630 | ||
3631 | info = IEEE80211_SKB_CB(skb); | |
3632 | ||
3633 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3634 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3635 | info->band = band; |
06500736 JB |
3636 | |
3637 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3638 | skb->priority = 7; | |
3639 | if (qos) | |
3640 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3641 | ||
3b79af97 JB |
3642 | ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3643 | if (IS_ERR(ack_skb)) { | |
3644 | kfree_skb(skb); | |
3645 | ret = PTR_ERR(ack_skb); | |
3646 | goto unlock; | |
3647 | } | |
3648 | ||
06500736 | 3649 | local_bh_disable(); |
7c10770f | 3650 | ieee80211_xmit(sdata, sta, skb); |
06500736 | 3651 | local_bh_enable(); |
3b79af97 JB |
3652 | |
3653 | ret = 0; | |
3654 | unlock: | |
55de908a | 3655 | rcu_read_unlock(); |
3b79af97 | 3656 | mutex_unlock(&local->mtx); |
06500736 | 3657 | |
3b79af97 | 3658 | return ret; |
06500736 JB |
3659 | } |
3660 | ||
683b6d3b JB |
3661 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3662 | struct wireless_dev *wdev, | |
3663 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3664 | { |
55de908a | 3665 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3666 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3667 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3668 | int ret = -ENODATA; |
55de908a JB |
3669 | |
3670 | rcu_read_lock(); | |
feda3027 JB |
3671 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3672 | if (chanctx_conf) { | |
c12bc488 | 3673 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3674 | ret = 0; |
3675 | } else if (local->open_count > 0 && | |
3676 | local->open_count == local->monitors && | |
3677 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3678 | if (local->use_chanctx) | |
3679 | *chandef = local->monitor_chandef; | |
3680 | else | |
675a0b04 | 3681 | *chandef = local->_oper_chandef; |
683b6d3b | 3682 | ret = 0; |
55de908a JB |
3683 | } |
3684 | rcu_read_unlock(); | |
5b7ccaf3 | 3685 | |
683b6d3b | 3686 | return ret; |
5b7ccaf3 JB |
3687 | } |
3688 | ||
6d52563f JB |
3689 | #ifdef CONFIG_PM |
3690 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3691 | { | |
3692 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3693 | } | |
3694 | #endif | |
3695 | ||
32db6b54 KP |
3696 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3697 | struct net_device *dev, | |
3698 | struct cfg80211_qos_map *qos_map) | |
3699 | { | |
3700 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3701 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3702 | ||
3703 | if (qos_map) { | |
3704 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3705 | if (!new_qos_map) | |
3706 | return -ENOMEM; | |
3707 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3708 | } else { | |
3709 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3710 | new_qos_map = NULL; | |
3711 | } | |
3712 | ||
194ff52d | 3713 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3714 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3715 | if (old_qos_map) | |
3716 | kfree_rcu(old_qos_map, rcu_head); | |
3717 | ||
3718 | return 0; | |
3719 | } | |
3720 | ||
3b1700bd JM |
3721 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3722 | struct net_device *dev, | |
3723 | struct cfg80211_chan_def *chandef) | |
3724 | { | |
3725 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3726 | int ret; | |
3727 | u32 changed = 0; | |
3728 | ||
3729 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3730 | if (ret == 0) | |
3731 | ieee80211_bss_info_change_notify(sdata, changed); | |
3732 | ||
3733 | return ret; | |
3734 | } | |
3735 | ||
02219b3a JB |
3736 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3737 | u8 tsid, const u8 *peer, u8 up, | |
3738 | u16 admitted_time) | |
3739 | { | |
3740 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3741 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3742 | int ac = ieee802_1d_to_ac[up]; | |
3743 | ||
3744 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3745 | return -EOPNOTSUPP; | |
3746 | ||
3747 | if (!(sdata->wmm_acm & BIT(up))) | |
3748 | return -EINVAL; | |
3749 | ||
3750 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3751 | return -EBUSY; | |
3752 | ||
3753 | if (admitted_time) { | |
3754 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3755 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3756 | ifmgd->tx_tspec[ac].up = up; | |
3757 | } | |
3758 | ||
3759 | return 0; | |
3760 | } | |
3761 | ||
3762 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3763 | u8 tsid, const u8 *peer) | |
3764 | { | |
3765 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3766 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3767 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3768 | int ac; | |
3769 | ||
3770 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3771 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3772 | ||
3773 | /* skip unused entries */ | |
3774 | if (!tx_tspec->admitted_time) | |
3775 | continue; | |
3776 | ||
3777 | if (tx_tspec->tsid != tsid) | |
3778 | continue; | |
3779 | ||
3780 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3781 | tx_tspec->up = -1; | |
3782 | ||
3783 | /* Make sure that all packets have been sent to avoid to | |
3784 | * restore the QoS params on packets that are still on the | |
3785 | * queues. | |
3786 | */ | |
3787 | synchronize_net(); | |
3b24f4c6 | 3788 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3789 | |
3790 | /* restore the normal QoS parameters | |
3791 | * (unconditionally to avoid races) | |
3792 | */ | |
3793 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3794 | tx_tspec->downgraded = false; | |
3795 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3796 | ||
3797 | /* finally clear all the data */ | |
3798 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3799 | ||
3800 | return 0; | |
3801 | } | |
3802 | ||
3803 | return -ENOENT; | |
3804 | } | |
3805 | ||
8a47cea7 | 3806 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3807 | .add_virtual_intf = ieee80211_add_iface, |
3808 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3809 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3810 | .start_p2p_device = ieee80211_start_p2p_device, |
3811 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3812 | .add_key = ieee80211_add_key, |
3813 | .del_key = ieee80211_del_key, | |
62da92fb | 3814 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3815 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3816 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3817 | .start_ap = ieee80211_start_ap, |
3818 | .change_beacon = ieee80211_change_beacon, | |
3819 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3820 | .add_station = ieee80211_add_station, |
3821 | .del_station = ieee80211_del_station, | |
3822 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3823 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3824 | .dump_station = ieee80211_dump_station, |
1289723e | 3825 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3826 | #ifdef CONFIG_MAC80211_MESH |
3827 | .add_mpath = ieee80211_add_mpath, | |
3828 | .del_mpath = ieee80211_del_mpath, | |
3829 | .change_mpath = ieee80211_change_mpath, | |
3830 | .get_mpath = ieee80211_get_mpath, | |
3831 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3832 | .get_mpp = ieee80211_get_mpp, |
3833 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3834 | .update_mesh_config = ieee80211_update_mesh_config, |
3835 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3836 | .join_mesh = ieee80211_join_mesh, |
3837 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3838 | #endif |
239281f8 RL |
3839 | .join_ocb = ieee80211_join_ocb, |
3840 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3841 | .change_bss = ieee80211_change_bss, |
31888487 | 3842 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3843 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3844 | .suspend = ieee80211_suspend, |
3845 | .resume = ieee80211_resume, | |
2a519311 | 3846 | .scan = ieee80211_scan, |
79f460ca LC |
3847 | .sched_scan_start = ieee80211_sched_scan_start, |
3848 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3849 | .auth = ieee80211_auth, |
3850 | .assoc = ieee80211_assoc, | |
3851 | .deauth = ieee80211_deauth, | |
3852 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3853 | .join_ibss = ieee80211_join_ibss, |
3854 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3855 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3856 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3857 | .set_tx_power = ieee80211_set_tx_power, |
3858 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3859 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3860 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3861 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3862 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3863 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3864 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3865 | .remain_on_channel = ieee80211_remain_on_channel, |
3866 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3867 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3868 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3869 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3870 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3871 | .set_antenna = ieee80211_set_antenna, |
3872 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3873 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3874 | .tdls_oper = ieee80211_tdls_oper, |
3875 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3876 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3877 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3878 | .probe_client = ieee80211_probe_client, |
b53be792 | 3879 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3880 | #ifdef CONFIG_PM |
3881 | .set_wakeup = ieee80211_set_wakeup, | |
3882 | #endif | |
5b7ccaf3 | 3883 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3884 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3885 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3886 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3887 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3888 | .add_tx_ts = ieee80211_add_tx_ts, |
3889 | .del_tx_ts = ieee80211_del_tx_ts, | |
f0706e82 | 3890 | }; |