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" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
02219b3a | 22 | #include "wme.h" |
c5dd9c2b | 23 | |
552bff0c JB |
24 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
25 | const char *name, | |
6bab2e19 | 26 | unsigned char name_assign_type, |
84efbb84 JB |
27 | enum nl80211_iftype type, |
28 | u32 *flags, | |
29 | struct vif_params *params) | |
f0706e82 JB |
30 | { |
31 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 32 | struct wireless_dev *wdev; |
8cc9a739 MW |
33 | struct ieee80211_sub_if_data *sdata; |
34 | int err; | |
f0706e82 | 35 | |
6bab2e19 | 36 | err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); |
f9e10ce4 JB |
37 | if (err) |
38 | return ERR_PTR(err); | |
8cc9a739 | 39 | |
f9e10ce4 | 40 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 41 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
42 | sdata->u.mntr_flags = *flags; |
43 | } | |
44 | ||
84efbb84 | 45 | return wdev; |
f0706e82 JB |
46 | } |
47 | ||
84efbb84 | 48 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 49 | { |
84efbb84 | 50 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 51 | |
75636525 | 52 | return 0; |
f0706e82 JB |
53 | } |
54 | ||
e36d56b6 JB |
55 | static int ieee80211_change_iface(struct wiphy *wiphy, |
56 | struct net_device *dev, | |
2ec600d6 LCC |
57 | enum nl80211_iftype type, u32 *flags, |
58 | struct vif_params *params) | |
42613db7 | 59 | { |
9607e6b6 | 60 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 61 | int ret; |
42613db7 | 62 | |
05c914fe | 63 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
64 | if (ret) |
65 | return ret; | |
42613db7 | 66 | |
9bc383de | 67 | if (type == NL80211_IFTYPE_AP_VLAN && |
49ddf8e6 | 68 | params && params->use_4addr == 0) { |
a9b3cd7f | 69 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
49ddf8e6 JB |
70 | ieee80211_check_fast_rx_iface(sdata); |
71 | } else if (type == NL80211_IFTYPE_STATION && | |
72 | params && params->use_4addr >= 0) { | |
9bc383de | 73 | sdata->u.mgd.use_4addr = params->use_4addr; |
49ddf8e6 | 74 | } |
9bc383de | 75 | |
85416a4f CL |
76 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
77 | struct ieee80211_local *local = sdata->local; | |
78 | ||
79 | if (ieee80211_sdata_running(sdata)) { | |
31eba5bc FF |
80 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
81 | MONITOR_FLAG_ACTIVE; | |
82 | ||
85416a4f | 83 | /* |
31eba5bc FF |
84 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
85 | * MONITOR_FLAG_ACTIVE to be changed while the | |
86 | * interface is up. | |
85416a4f CL |
87 | * Else we would need to add a lot of cruft |
88 | * to update everything: | |
89 | * cooked_mntrs, monitor and all fif_* counters | |
90 | * reconfigure hardware | |
91 | */ | |
31eba5bc | 92 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
85416a4f CL |
93 | return -EBUSY; |
94 | ||
95 | ieee80211_adjust_monitor_flags(sdata, -1); | |
96 | sdata->u.mntr_flags = *flags; | |
97 | ieee80211_adjust_monitor_flags(sdata, 1); | |
98 | ||
99 | ieee80211_configure_filter(local); | |
100 | } else { | |
101 | /* | |
102 | * Because the interface is down, ieee80211_do_stop | |
103 | * and ieee80211_do_open take care of "everything" | |
104 | * mentioned in the comment above. | |
105 | */ | |
106 | sdata->u.mntr_flags = *flags; | |
107 | } | |
108 | } | |
f7917af9 | 109 | |
42613db7 JB |
110 | return 0; |
111 | } | |
112 | ||
f142c6b9 JB |
113 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
114 | struct wireless_dev *wdev) | |
115 | { | |
b6a55015 LC |
116 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
117 | int ret; | |
118 | ||
119 | mutex_lock(&sdata->local->chanctx_mtx); | |
120 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
121 | mutex_unlock(&sdata->local->chanctx_mtx); | |
122 | if (ret < 0) | |
123 | return ret; | |
124 | ||
f142c6b9 JB |
125 | return ieee80211_do_open(wdev, true); |
126 | } | |
127 | ||
128 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
129 | struct wireless_dev *wdev) | |
130 | { | |
131 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
132 | } | |
133 | ||
b53be792 SW |
134 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
135 | struct net_device *dev, | |
136 | u16 noack_map) | |
137 | { | |
138 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
139 | ||
140 | sdata->noack_map = noack_map; | |
17c18bf8 JB |
141 | |
142 | ieee80211_check_fast_xmit_iface(sdata); | |
143 | ||
b53be792 SW |
144 | return 0; |
145 | } | |
146 | ||
e8cbb4cb | 147 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 148 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
149 | struct key_params *params) |
150 | { | |
26a58456 | 151 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 152 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 153 | struct sta_info *sta = NULL; |
2475b1cc | 154 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 155 | struct ieee80211_key *key; |
3b96766f | 156 | int err; |
e8cbb4cb | 157 | |
26a58456 | 158 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
159 | return -ENETDOWN; |
160 | ||
97359d12 | 161 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
162 | switch (params->cipher) { |
163 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 164 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 165 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 166 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 167 | return -EINVAL; |
3cfcf6ac | 168 | break; |
2475b1cc | 169 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 170 | case WLAN_CIPHER_SUITE_CCMP_256: |
2475b1cc | 171 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 172 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
8ade538b JM |
173 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
174 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
2475b1cc | 175 | case WLAN_CIPHER_SUITE_GCMP: |
00b9cfa3 | 176 | case WLAN_CIPHER_SUITE_GCMP_256: |
2475b1cc | 177 | break; |
e8cbb4cb | 178 | default: |
2475b1cc | 179 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 180 | break; |
e8cbb4cb JB |
181 | } |
182 | ||
97359d12 | 183 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
184 | params->key, params->seq_len, params->seq, |
185 | cs); | |
1ac62ba7 BH |
186 | if (IS_ERR(key)) |
187 | return PTR_ERR(key); | |
db4d1169 | 188 | |
e31b8213 JB |
189 | if (pairwise) |
190 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
191 | ||
2475b1cc | 192 | mutex_lock(&local->sta_mtx); |
3b96766f | 193 | |
e8cbb4cb | 194 | if (mac_addr) { |
ff973af7 TP |
195 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
196 | sta = sta_info_get(sdata, mac_addr); | |
197 | else | |
198 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
199 | /* |
200 | * The ASSOC test makes sure the driver is ready to | |
201 | * receive the key. When wpa_supplicant has roamed | |
202 | * using FT, it attempts to set the key before | |
203 | * association has completed, this rejects that attempt | |
d070f913 | 204 | * so it will set the key again after association. |
1626e0fa JB |
205 | * |
206 | * TODO: accept the key if we have a station entry and | |
207 | * add it to the device after the station. | |
208 | */ | |
209 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 210 | ieee80211_key_free_unused(key); |
3b96766f JB |
211 | err = -ENOENT; |
212 | goto out_unlock; | |
db4d1169 | 213 | } |
e8cbb4cb JB |
214 | } |
215 | ||
e548c49e JB |
216 | switch (sdata->vif.type) { |
217 | case NL80211_IFTYPE_STATION: | |
218 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
219 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
220 | break; | |
221 | case NL80211_IFTYPE_AP: | |
222 | case NL80211_IFTYPE_AP_VLAN: | |
223 | /* Keys without a station are used for TX only */ | |
224 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
225 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
226 | break; | |
227 | case NL80211_IFTYPE_ADHOC: | |
228 | /* no MFP (yet) */ | |
229 | break; | |
230 | case NL80211_IFTYPE_MESH_POINT: | |
231 | #ifdef CONFIG_MAC80211_MESH | |
232 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
233 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
234 | break; | |
235 | #endif | |
236 | case NL80211_IFTYPE_WDS: | |
237 | case NL80211_IFTYPE_MONITOR: | |
238 | case NL80211_IFTYPE_P2P_DEVICE: | |
239 | case NL80211_IFTYPE_UNSPECIFIED: | |
240 | case NUM_NL80211_IFTYPES: | |
241 | case NL80211_IFTYPE_P2P_CLIENT: | |
242 | case NL80211_IFTYPE_P2P_GO: | |
6e0bd6c3 | 243 | case NL80211_IFTYPE_OCB: |
e548c49e JB |
244 | /* shouldn't happen */ |
245 | WARN_ON_ONCE(1); | |
246 | break; | |
247 | } | |
248 | ||
2475b1cc MS |
249 | if (sta) |
250 | sta->cipher_scheme = cs; | |
251 | ||
3ffc2a90 | 252 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 253 | |
3b96766f | 254 | out_unlock: |
2475b1cc | 255 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
256 | |
257 | return err; | |
e8cbb4cb JB |
258 | } |
259 | ||
260 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 261 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 262 | { |
5c0c3641 JB |
263 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
264 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 265 | struct sta_info *sta; |
5c0c3641 | 266 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
267 | int ret; |
268 | ||
5c0c3641 JB |
269 | mutex_lock(&local->sta_mtx); |
270 | mutex_lock(&local->key_mtx); | |
3b96766f | 271 | |
e8cbb4cb | 272 | if (mac_addr) { |
3b96766f JB |
273 | ret = -ENOENT; |
274 | ||
0e5ded5a | 275 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 276 | if (!sta) |
3b96766f | 277 | goto out_unlock; |
e8cbb4cb | 278 | |
5c0c3641 | 279 | if (pairwise) |
2475b1cc | 280 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 281 | else |
40b275b6 | 282 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 283 | } else |
40b275b6 | 284 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 285 | |
5c0c3641 | 286 | if (!key) { |
3b96766f JB |
287 | ret = -ENOENT; |
288 | goto out_unlock; | |
289 | } | |
e8cbb4cb | 290 | |
3b8d9c29 | 291 | ieee80211_key_free(key, true); |
e8cbb4cb | 292 | |
3b96766f JB |
293 | ret = 0; |
294 | out_unlock: | |
5c0c3641 JB |
295 | mutex_unlock(&local->key_mtx); |
296 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
297 | |
298 | return ret; | |
e8cbb4cb JB |
299 | } |
300 | ||
62da92fb | 301 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
302 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
303 | void *cookie, | |
62da92fb JB |
304 | void (*callback)(void *cookie, |
305 | struct key_params *params)) | |
306 | { | |
14db74bc | 307 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
308 | struct sta_info *sta = NULL; |
309 | u8 seq[6] = {0}; | |
310 | struct key_params params; | |
e31b8213 | 311 | struct ieee80211_key *key = NULL; |
aba83a0b | 312 | u64 pn64; |
62da92fb JB |
313 | u32 iv32; |
314 | u16 iv16; | |
315 | int err = -ENOENT; | |
9352c19f | 316 | struct ieee80211_key_seq kseq = {}; |
62da92fb | 317 | |
14db74bc JB |
318 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
319 | ||
3b96766f JB |
320 | rcu_read_lock(); |
321 | ||
62da92fb | 322 | if (mac_addr) { |
0e5ded5a | 323 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
324 | if (!sta) |
325 | goto out; | |
326 | ||
354e159d | 327 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 328 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
329 | else if (!pairwise && |
330 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 331 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 332 | } else |
a3836e02 | 333 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
334 | |
335 | if (!key) | |
336 | goto out; | |
337 | ||
338 | memset(¶ms, 0, sizeof(params)); | |
339 | ||
97359d12 | 340 | params.cipher = key->conf.cipher; |
62da92fb | 341 | |
97359d12 JB |
342 | switch (key->conf.cipher) { |
343 | case WLAN_CIPHER_SUITE_TKIP: | |
f8079d43 EP |
344 | pn64 = atomic64_read(&key->conf.tx_pn); |
345 | iv32 = TKIP_PN_TO_IV32(pn64); | |
346 | iv16 = TKIP_PN_TO_IV16(pn64); | |
62da92fb | 347 | |
9352c19f JB |
348 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
349 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
350 | drv_get_key_seq(sdata->local, key, &kseq); | |
351 | iv32 = kseq.tkip.iv32; | |
352 | iv16 = kseq.tkip.iv16; | |
353 | } | |
62da92fb JB |
354 | |
355 | seq[0] = iv16 & 0xff; | |
356 | seq[1] = (iv16 >> 8) & 0xff; | |
357 | seq[2] = iv32 & 0xff; | |
358 | seq[3] = (iv32 >> 8) & 0xff; | |
359 | seq[4] = (iv32 >> 16) & 0xff; | |
360 | seq[5] = (iv32 >> 24) & 0xff; | |
361 | params.seq = seq; | |
362 | params.seq_len = 6; | |
363 | break; | |
97359d12 | 364 | case WLAN_CIPHER_SUITE_CCMP: |
2b2ba0db | 365 | case WLAN_CIPHER_SUITE_CCMP_256: |
97359d12 | 366 | case WLAN_CIPHER_SUITE_AES_CMAC: |
56c52da2 | 367 | case WLAN_CIPHER_SUITE_BIP_CMAC_256: |
db388a56 JB |
368 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
369 | offsetof(typeof(kseq), aes_cmac)); | |
8ade538b JM |
370 | case WLAN_CIPHER_SUITE_BIP_GMAC_128: |
371 | case WLAN_CIPHER_SUITE_BIP_GMAC_256: | |
db388a56 JB |
372 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
373 | offsetof(typeof(kseq), aes_gmac)); | |
00b9cfa3 JM |
374 | case WLAN_CIPHER_SUITE_GCMP: |
375 | case WLAN_CIPHER_SUITE_GCMP_256: | |
db388a56 JB |
376 | BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != |
377 | offsetof(typeof(kseq), gcmp)); | |
378 | ||
9352c19f JB |
379 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && |
380 | !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { | |
381 | drv_get_key_seq(sdata->local, key, &kseq); | |
db388a56 | 382 | memcpy(seq, kseq.ccmp.pn, 6); |
9352c19f | 383 | } else { |
db388a56 | 384 | pn64 = atomic64_read(&key->conf.tx_pn); |
9352c19f JB |
385 | seq[0] = pn64; |
386 | seq[1] = pn64 >> 8; | |
387 | seq[2] = pn64 >> 16; | |
388 | seq[3] = pn64 >> 24; | |
389 | seq[4] = pn64 >> 32; | |
390 | seq[5] = pn64 >> 40; | |
391 | } | |
00b9cfa3 JM |
392 | params.seq = seq; |
393 | params.seq_len = 6; | |
394 | break; | |
a31cf1c6 JB |
395 | default: |
396 | if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) | |
397 | break; | |
398 | if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) | |
399 | break; | |
400 | drv_get_key_seq(sdata->local, key, &kseq); | |
401 | params.seq = kseq.hw.seq; | |
402 | params.seq_len = kseq.hw.seq_len; | |
403 | break; | |
62da92fb JB |
404 | } |
405 | ||
406 | params.key = key->conf.key; | |
407 | params.key_len = key->conf.keylen; | |
408 | ||
409 | callback(cookie, ¶ms); | |
410 | err = 0; | |
411 | ||
412 | out: | |
3b96766f | 413 | rcu_read_unlock(); |
62da92fb JB |
414 | return err; |
415 | } | |
416 | ||
e8cbb4cb JB |
417 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
418 | struct net_device *dev, | |
dbd2fd65 JB |
419 | u8 key_idx, bool uni, |
420 | bool multi) | |
e8cbb4cb | 421 | { |
ad0e2b5a | 422 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 423 | |
f7e0104c | 424 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
425 | |
426 | return 0; | |
427 | } | |
428 | ||
3cfcf6ac JM |
429 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
430 | struct net_device *dev, | |
431 | u8 key_idx) | |
432 | { | |
66c52421 | 433 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 434 | |
3cfcf6ac JM |
435 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
436 | ||
3cfcf6ac JM |
437 | return 0; |
438 | } | |
439 | ||
6b62bf32 TP |
440 | void sta_set_rate_info_tx(struct sta_info *sta, |
441 | const struct ieee80211_tx_rate *rate, | |
442 | struct rate_info *rinfo) | |
443 | { | |
444 | rinfo->flags = 0; | |
8bc83c24 | 445 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 446 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
447 | rinfo->mcs = rate->idx; |
448 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
449 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
450 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
451 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
452 | } else { | |
453 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
454 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
455 | u16 brate; | |
456 | ||
8bc83c24 JB |
457 | sband = sta->local->hw.wiphy->bands[ |
458 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
459 | brate = sband->bitrates[rate->idx].bitrate; |
460 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 461 | } |
6b62bf32 | 462 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
b51f3bee JB |
463 | rinfo->bw = RATE_INFO_BW_40; |
464 | else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) | |
465 | rinfo->bw = RATE_INFO_BW_80; | |
466 | else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
467 | rinfo->bw = RATE_INFO_BW_160; | |
468 | else | |
469 | rinfo->bw = RATE_INFO_BW_20; | |
6b62bf32 TP |
470 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
471 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
472 | } |
473 | ||
c5dd9c2b | 474 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 475 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 476 | { |
3b53fde8 | 477 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 478 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 479 | struct sta_info *sta; |
d0709a65 JB |
480 | int ret = -ENOENT; |
481 | ||
66572cfc | 482 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 483 | |
3b53fde8 | 484 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
485 | if (sta) { |
486 | ret = 0; | |
17741cdc | 487 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
488 | sta_set_sinfo(sta, sinfo); |
489 | } | |
c5dd9c2b | 490 | |
66572cfc | 491 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 492 | |
d0709a65 | 493 | return ret; |
c5dd9c2b LCC |
494 | } |
495 | ||
1289723e HS |
496 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
497 | int idx, struct survey_info *survey) | |
498 | { | |
499 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
500 | ||
1289723e HS |
501 | return drv_get_survey(local, idx, survey); |
502 | } | |
503 | ||
7bbdd2d9 | 504 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 505 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 506 | { |
abe60632 | 507 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 508 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 509 | struct sta_info *sta; |
d0709a65 | 510 | int ret = -ENOENT; |
7bbdd2d9 | 511 | |
66572cfc | 512 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 513 | |
0e5ded5a | 514 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
515 | if (sta) { |
516 | ret = 0; | |
517 | sta_set_sinfo(sta, sinfo); | |
518 | } | |
519 | ||
66572cfc | 520 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
521 | |
522 | return ret; | |
7bbdd2d9 JB |
523 | } |
524 | ||
55de908a | 525 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 526 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
527 | { |
528 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
529 | struct ieee80211_sub_if_data *sdata; |
530 | int ret = 0; | |
3d9e6e12 | 531 | |
4bf88530 | 532 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 533 | return 0; |
3d9e6e12 | 534 | |
34a3740d | 535 | mutex_lock(&local->mtx); |
55de908a JB |
536 | mutex_lock(&local->iflist_mtx); |
537 | if (local->use_chanctx) { | |
538 | sdata = rcu_dereference_protected( | |
539 | local->monitor_sdata, | |
540 | lockdep_is_held(&local->iflist_mtx)); | |
541 | if (sdata) { | |
542 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 543 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
544 | IEEE80211_CHANCTX_EXCLUSIVE); |
545 | } | |
546 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 547 | local->_oper_chandef = *chandef; |
55de908a JB |
548 | ieee80211_hw_config(local, 0); |
549 | } | |
3d9e6e12 | 550 | |
4bf88530 JB |
551 | if (ret == 0) |
552 | local->monitor_chandef = *chandef; | |
55de908a | 553 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 554 | mutex_unlock(&local->mtx); |
3d9e6e12 | 555 | |
55de908a | 556 | return ret; |
e8c9bd5b JB |
557 | } |
558 | ||
02945821 | 559 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
560 | const u8 *resp, size_t resp_len, |
561 | const struct ieee80211_csa_settings *csa) | |
02945821 | 562 | { |
aa7a0080 | 563 | struct probe_resp *new, *old; |
02945821 AN |
564 | |
565 | if (!resp || !resp_len) | |
aba4e6ff | 566 | return 1; |
02945821 | 567 | |
7ca133bc | 568 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 569 | |
aa7a0080 | 570 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
571 | if (!new) |
572 | return -ENOMEM; | |
573 | ||
aa7a0080 ES |
574 | new->len = resp_len; |
575 | memcpy(new->data, resp, resp_len); | |
02945821 | 576 | |
af296bdb MK |
577 | if (csa) |
578 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
579 | csa->n_counter_offsets_presp * | |
580 | sizeof(new->csa_counter_offsets[0])); | |
581 | ||
02945821 | 582 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
583 | if (old) |
584 | kfree_rcu(old, rcu_head); | |
02945821 AN |
585 | |
586 | return 0; | |
587 | } | |
588 | ||
0ae07968 | 589 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
590 | struct cfg80211_beacon_data *params, |
591 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
592 | { |
593 | struct beacon_data *new, *old; | |
594 | int new_head_len, new_tail_len; | |
8860020e JB |
595 | int size, err; |
596 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 597 | |
7ca133bc SW |
598 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
599 | ||
5dfdaf58 | 600 | |
5dfdaf58 JB |
601 | /* Need to have a beacon head if we don't have one yet */ |
602 | if (!params->head && !old) | |
8860020e | 603 | return -EINVAL; |
5dfdaf58 JB |
604 | |
605 | /* new or old head? */ | |
606 | if (params->head) | |
607 | new_head_len = params->head_len; | |
608 | else | |
609 | new_head_len = old->head_len; | |
610 | ||
611 | /* new or old tail? */ | |
612 | if (params->tail || !old) | |
613 | /* params->tail_len will be zero for !params->tail */ | |
614 | new_tail_len = params->tail_len; | |
615 | else | |
616 | new_tail_len = old->tail_len; | |
617 | ||
618 | size = sizeof(*new) + new_head_len + new_tail_len; | |
619 | ||
620 | new = kzalloc(size, GFP_KERNEL); | |
621 | if (!new) | |
622 | return -ENOMEM; | |
623 | ||
624 | /* start filling the new info now */ | |
625 | ||
5dfdaf58 JB |
626 | /* |
627 | * pointers go into the block we allocated, | |
628 | * memory is | beacon_data | head | tail | | |
629 | */ | |
630 | new->head = ((u8 *) new) + sizeof(*new); | |
631 | new->tail = new->head + new_head_len; | |
632 | new->head_len = new_head_len; | |
633 | new->tail_len = new_tail_len; | |
634 | ||
af296bdb MK |
635 | if (csa) { |
636 | new->csa_current_counter = csa->count; | |
637 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
638 | csa->n_counter_offsets_beacon * | |
639 | sizeof(new->csa_counter_offsets[0])); | |
640 | } | |
641 | ||
5dfdaf58 JB |
642 | /* copy in head */ |
643 | if (params->head) | |
644 | memcpy(new->head, params->head, new_head_len); | |
645 | else | |
646 | memcpy(new->head, old->head, new_head_len); | |
647 | ||
648 | /* copy in optional tail */ | |
649 | if (params->tail) | |
650 | memcpy(new->tail, params->tail, new_tail_len); | |
651 | else | |
652 | if (old) | |
653 | memcpy(new->tail, old->tail, new_tail_len); | |
654 | ||
02945821 | 655 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 656 | params->probe_resp_len, csa); |
8860020e JB |
657 | if (err < 0) |
658 | return err; | |
659 | if (err == 0) | |
02945821 AN |
660 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
661 | ||
8860020e JB |
662 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
663 | ||
664 | if (old) | |
665 | kfree_rcu(old, rcu_head); | |
7827493b | 666 | |
8860020e | 667 | return changed; |
5dfdaf58 JB |
668 | } |
669 | ||
8860020e JB |
670 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
671 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 672 | { |
8860020e | 673 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 674 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 675 | struct beacon_data *old; |
665c93a9 | 676 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
677 | u32 changed = BSS_CHANGED_BEACON_INT | |
678 | BSS_CHANGED_BEACON_ENABLED | | |
679 | BSS_CHANGED_BEACON | | |
339afbf4 | 680 | BSS_CHANGED_SSID | |
4bcc56bb JB |
681 | BSS_CHANGED_P2P_PS | |
682 | BSS_CHANGED_TXPOWER; | |
8860020e | 683 | int err; |
14db74bc | 684 | |
7ca133bc | 685 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
686 | if (old) |
687 | return -EALREADY; | |
688 | ||
f6993174 EP |
689 | switch (params->smps_mode) { |
690 | case NL80211_SMPS_OFF: | |
691 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
692 | break; | |
693 | case NL80211_SMPS_STATIC: | |
694 | sdata->smps_mode = IEEE80211_SMPS_STATIC; | |
695 | break; | |
696 | case NL80211_SMPS_DYNAMIC: | |
697 | sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; | |
698 | break; | |
699 | default: | |
700 | return -EINVAL; | |
701 | } | |
04ecd257 JB |
702 | sdata->needed_rx_chains = sdata->local->rx_chains; |
703 | ||
34a3740d | 704 | mutex_lock(&local->mtx); |
4bf88530 | 705 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 706 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
707 | if (!err) |
708 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 709 | mutex_unlock(&local->mtx); |
aa430da4 JB |
710 | if (err) |
711 | return err; | |
712 | ||
665c93a9 JB |
713 | /* |
714 | * Apply control port protocol, this allows us to | |
715 | * not encrypt dynamic WEP control frames. | |
716 | */ | |
717 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
718 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
719 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
720 | ¶ms->crypto, | |
721 | sdata->vif.type); | |
722 | ||
665c93a9 JB |
723 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
724 | vlan->control_port_protocol = | |
725 | params->crypto.control_port_ethertype; | |
726 | vlan->control_port_no_encrypt = | |
727 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
728 | vlan->encrypt_headroom = |
729 | ieee80211_cs_headroom(sdata->local, | |
730 | ¶ms->crypto, | |
731 | vlan->vif.type); | |
665c93a9 JB |
732 | } |
733 | ||
8860020e JB |
734 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
735 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 736 | sdata->vif.bss_conf.enable_beacon = true; |
52cfa1d6 | 737 | sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; |
8860020e JB |
738 | |
739 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
740 | if (params->ssid_len) | |
741 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
742 | params->ssid_len); | |
743 | sdata->vif.bss_conf.hidden_ssid = | |
744 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
745 | ||
67baf663 JD |
746 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
747 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
748 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
749 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
750 | if (params->p2p_opp_ps) | |
751 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
752 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 753 | |
af296bdb | 754 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
755 | if (err < 0) { |
756 | ieee80211_vif_release_channel(sdata); | |
8860020e | 757 | return err; |
0297ea17 | 758 | } |
8860020e JB |
759 | changed |= err; |
760 | ||
1041638f JB |
761 | err = drv_start_ap(sdata->local, sdata); |
762 | if (err) { | |
7ca133bc SW |
763 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
764 | ||
1041638f JB |
765 | if (old) |
766 | kfree_rcu(old, rcu_head); | |
767 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 768 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
769 | return err; |
770 | } | |
771 | ||
057d5f4b | 772 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
773 | ieee80211_bss_info_change_notify(sdata, changed); |
774 | ||
3edaf3e6 JB |
775 | netif_carrier_on(dev); |
776 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
777 | netif_carrier_on(vlan->dev); | |
778 | ||
665c93a9 | 779 | return 0; |
5dfdaf58 JB |
780 | } |
781 | ||
8860020e JB |
782 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
783 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 784 | { |
14db74bc | 785 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 786 | struct beacon_data *old; |
8860020e | 787 | int err; |
5dfdaf58 | 788 | |
14db74bc | 789 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 790 | sdata_assert_lock(sdata); |
14db74bc | 791 | |
73da7d5b SW |
792 | /* don't allow changing the beacon while CSA is in place - offset |
793 | * of channel switch counter may change | |
794 | */ | |
795 | if (sdata->vif.csa_active) | |
796 | return -EBUSY; | |
797 | ||
7ca133bc | 798 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
799 | if (!old) |
800 | return -ENOENT; | |
801 | ||
af296bdb | 802 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
803 | if (err < 0) |
804 | return err; | |
805 | ieee80211_bss_info_change_notify(sdata, err); | |
806 | return 0; | |
5dfdaf58 JB |
807 | } |
808 | ||
8860020e | 809 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 810 | { |
7b20b8e8 JB |
811 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
812 | struct ieee80211_sub_if_data *vlan; | |
813 | struct ieee80211_local *local = sdata->local; | |
814 | struct beacon_data *old_beacon; | |
815 | struct probe_resp *old_probe_resp; | |
d2859df5 | 816 | struct cfg80211_chan_def chandef; |
14db74bc | 817 | |
dbd72850 MK |
818 | sdata_assert_lock(sdata); |
819 | ||
7ca133bc | 820 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 821 | if (!old_beacon) |
5dfdaf58 | 822 | return -ENOENT; |
7ca133bc | 823 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 824 | |
73da7d5b | 825 | /* abort any running channel switch */ |
59af6928 | 826 | mutex_lock(&local->mtx); |
73da7d5b | 827 | sdata->vif.csa_active = false; |
a46992b4 LC |
828 | if (sdata->csa_block_tx) { |
829 | ieee80211_wake_vif_queues(local, sdata, | |
830 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
831 | sdata->csa_block_tx = false; | |
832 | } | |
833 | ||
59af6928 MK |
834 | mutex_unlock(&local->mtx); |
835 | ||
1f3b8a2b SW |
836 | kfree(sdata->u.ap.next_beacon); |
837 | sdata->u.ap.next_beacon = NULL; | |
838 | ||
7b20b8e8 | 839 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
840 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
841 | netif_carrier_off(vlan->dev); | |
842 | netif_carrier_off(dev); | |
843 | ||
7b20b8e8 | 844 | /* remove beacon and probe response */ |
a9b3cd7f | 845 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
846 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
847 | kfree_rcu(old_beacon, rcu_head); | |
848 | if (old_probe_resp) | |
849 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 850 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 851 | |
e716251d | 852 | __sta_info_flush(sdata, true); |
7907c7d3 | 853 | ieee80211_free_keys(sdata, true); |
75de9113 | 854 | |
d6a83228 | 855 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 856 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 857 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 858 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 859 | |
a6b368f6 | 860 | if (sdata->wdev.cac_started) { |
d2859df5 | 861 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 862 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
863 | cfg80211_cac_event(sdata->dev, &chandef, |
864 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
865 | GFP_KERNEL); |
866 | } | |
867 | ||
1041638f JB |
868 | drv_stop_ap(sdata->local, sdata); |
869 | ||
7b20b8e8 JB |
870 | /* free all potentially still buffered bcast frames */ |
871 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
6b07d9ca | 872 | ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); |
7b20b8e8 | 873 | |
34a3740d | 874 | mutex_lock(&local->mtx); |
4e141dad | 875 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 876 | ieee80211_vif_release_channel(sdata); |
34a3740d | 877 | mutex_unlock(&local->mtx); |
55de908a | 878 | |
2d0ddec5 | 879 | return 0; |
5dfdaf58 JB |
880 | } |
881 | ||
4fd6931e JB |
882 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
883 | struct iapp_layer2_update { | |
884 | u8 da[ETH_ALEN]; /* broadcast */ | |
885 | u8 sa[ETH_ALEN]; /* STA addr */ | |
886 | __be16 len; /* 6 */ | |
887 | u8 dsap; /* 0 */ | |
888 | u8 ssap; /* 0 */ | |
889 | u8 control; | |
890 | u8 xid_info[3]; | |
bc10502d | 891 | } __packed; |
4fd6931e JB |
892 | |
893 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
894 | { | |
895 | struct iapp_layer2_update *msg; | |
896 | struct sk_buff *skb; | |
897 | ||
898 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
899 | * bridge devices */ | |
900 | ||
901 | skb = dev_alloc_skb(sizeof(*msg)); | |
902 | if (!skb) | |
903 | return; | |
904 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
905 | ||
906 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
907 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
908 | ||
e83e6541 | 909 | eth_broadcast_addr(msg->da); |
17741cdc | 910 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
911 | msg->len = htons(6); |
912 | msg->dsap = 0; | |
913 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
914 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
915 | * F=0 (no poll command; unsolicited frame) */ | |
916 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
917 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
918 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
919 | ||
d0709a65 JB |
920 | skb->dev = sta->sdata->dev; |
921 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 922 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 923 | netif_rx_ni(skb); |
4fd6931e JB |
924 | } |
925 | ||
d582cffb JB |
926 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
927 | struct sta_info *sta, | |
928 | u32 mask, u32 set) | |
929 | { | |
930 | int ret; | |
931 | ||
932 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
933 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
934 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
935 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
936 | if (ret) | |
937 | return ret; | |
938 | } | |
939 | ||
940 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
941 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
942 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
c23e31cf MP |
943 | /* |
944 | * When peer becomes associated, init rate control as | |
945 | * well. Some drivers require rate control initialized | |
946 | * before drv_sta_state() is called. | |
947 | */ | |
44674d9c | 948 | if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) |
c23e31cf MP |
949 | rate_control_rate_init(sta); |
950 | ||
d582cffb JB |
951 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
952 | if (ret) | |
953 | return ret; | |
954 | } | |
955 | ||
956 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
957 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
958 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
959 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
960 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
961 | else | |
962 | ret = 0; | |
963 | if (ret) | |
964 | return ret; | |
965 | } | |
966 | ||
967 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
968 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
969 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
970 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
971 | if (ret) | |
972 | return ret; | |
973 | } | |
974 | ||
975 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
976 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
977 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
978 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
979 | if (ret) | |
980 | return ret; | |
981 | } | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
13657702 JB |
986 | static void sta_apply_mesh_params(struct ieee80211_local *local, |
987 | struct sta_info *sta, | |
988 | struct station_parameters *params) | |
989 | { | |
990 | #ifdef CONFIG_MAC80211_MESH | |
991 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
992 | u32 changed = 0; | |
993 | ||
994 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
995 | switch (params->plink_state) { | |
996 | case NL80211_PLINK_ESTAB: | |
997 | if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) | |
998 | changed = mesh_plink_inc_estab_count(sdata); | |
999 | sta->mesh->plink_state = params->plink_state; | |
7d27a0ba | 1000 | sta->mesh->aid = params->peer_aid; |
13657702 JB |
1001 | |
1002 | ieee80211_mps_sta_status_update(sta); | |
1003 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1004 | sdata->u.mesh.mshcfg.power_mode); | |
1005 | break; | |
1006 | case NL80211_PLINK_LISTEN: | |
1007 | case NL80211_PLINK_BLOCKED: | |
1008 | case NL80211_PLINK_OPN_SNT: | |
1009 | case NL80211_PLINK_OPN_RCVD: | |
1010 | case NL80211_PLINK_CNF_RCVD: | |
1011 | case NL80211_PLINK_HOLDING: | |
1012 | if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) | |
1013 | changed = mesh_plink_dec_estab_count(sdata); | |
1014 | sta->mesh->plink_state = params->plink_state; | |
1015 | ||
1016 | ieee80211_mps_sta_status_update(sta); | |
1017 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1018 | NL80211_MESH_POWER_UNKNOWN); | |
1019 | break; | |
1020 | default: | |
1021 | /* nothing */ | |
1022 | break; | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | switch (params->plink_action) { | |
1027 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1028 | /* nothing */ | |
1029 | break; | |
1030 | case NL80211_PLINK_ACTION_OPEN: | |
1031 | changed |= mesh_plink_open(sta); | |
1032 | break; | |
1033 | case NL80211_PLINK_ACTION_BLOCK: | |
1034 | changed |= mesh_plink_block(sta); | |
1035 | break; | |
1036 | } | |
1037 | ||
1038 | if (params->local_pm) | |
1039 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1040 | params->local_pm); | |
1041 | ||
1042 | ieee80211_mbss_info_change_notify(sdata, changed); | |
1043 | #endif | |
1044 | } | |
1045 | ||
d9a7ddb0 JB |
1046 | static int sta_apply_parameters(struct ieee80211_local *local, |
1047 | struct sta_info *sta, | |
1048 | struct station_parameters *params) | |
4fd6931e | 1049 | { |
d9a7ddb0 | 1050 | int ret = 0; |
8318d78a | 1051 | struct ieee80211_supported_band *sband; |
d0709a65 | 1052 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
57fbcce3 | 1053 | enum nl80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1054 | u32 mask, set; |
4fd6931e | 1055 | |
55de908a | 1056 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1057 | |
eccb8e8f JB |
1058 | mask = params->sta_flags_mask; |
1059 | set = params->sta_flags_set; | |
73651ee6 | 1060 | |
d582cffb JB |
1061 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1062 | /* | |
1063 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1064 | * API but must follow AUTHENTICATED for driver state. | |
1065 | */ | |
1066 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1067 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1068 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1069 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1070 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1071 | /* | |
1072 | * TDLS -- everything follows authorized, but | |
1073 | * only becoming authorized is possible, not | |
1074 | * going back | |
1075 | */ | |
1076 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1077 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1078 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1079 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1080 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1081 | } | |
eccb8e8f | 1082 | } |
4fd6931e | 1083 | |
2c44be81 JB |
1084 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
1085 | local->hw.queues >= IEEE80211_NUM_ACS) | |
1086 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
1087 | ||
44674d9c AB |
1088 | /* auth flags will be set later for TDLS, |
1089 | * and for unassociated stations that move to assocaited */ | |
1090 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1091 | !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1092 | (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
68885a54 AN |
1093 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1094 | if (ret) | |
1095 | return ret; | |
1096 | } | |
d9a7ddb0 | 1097 | |
eccb8e8f | 1098 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1099 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1100 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1101 | else | |
1102 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1103 | } |
4fd6931e | 1104 | |
eccb8e8f | 1105 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
93f0490e | 1106 | sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); |
eccb8e8f | 1107 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1108 | set_sta_flag(sta, WLAN_STA_MFP); |
1109 | else | |
1110 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1111 | } |
b39c48fa | 1112 | |
07ba55d7 | 1113 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1114 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1115 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1116 | else | |
1117 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1118 | } |
4fd6931e | 1119 | |
9041c1fa AN |
1120 | /* mark TDLS channel switch support, if the AP allows it */ |
1121 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1122 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1123 | params->ext_capab_len >= 4 && | |
1124 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1125 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1126 | ||
b98fb44f | 1127 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
82c0cc90 | 1128 | !sdata->u.mgd.tdls_wider_bw_prohibited && |
b98fb44f AN |
1129 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && |
1130 | params->ext_capab_len >= 8 && | |
1131 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1132 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1133 | ||
3b9ce80c JB |
1134 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1135 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1136 | sta->sta.max_sp = params->max_sp; | |
1137 | } | |
9533b4ac | 1138 | |
506bcfa8 EG |
1139 | /* The sender might not have sent the last bit, consider it to be 0 */ |
1140 | if (params->ext_capab_len >= 8) { | |
1141 | u8 val = (params->ext_capab[7] & | |
1142 | WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; | |
1143 | ||
1144 | /* we did get all the bits, take the MSB as well */ | |
1145 | if (params->ext_capab_len >= 9) { | |
1146 | u8 val_msb = params->ext_capab[8] & | |
1147 | WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; | |
1148 | val_msb <<= 1; | |
1149 | val |= val_msb; | |
1150 | } | |
1151 | ||
1152 | switch (val) { | |
1153 | case 1: | |
1154 | sta->sta.max_amsdu_subframes = 32; | |
1155 | break; | |
1156 | case 2: | |
1157 | sta->sta.max_amsdu_subframes = 16; | |
1158 | break; | |
1159 | case 3: | |
1160 | sta->sta.max_amsdu_subframes = 8; | |
1161 | break; | |
1162 | default: | |
1163 | sta->sta.max_amsdu_subframes = 0; | |
1164 | } | |
1165 | } | |
1166 | ||
51b50fbe JB |
1167 | /* |
1168 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1169 | * only when creating a new station entry | |
1170 | */ | |
1171 | if (params->aid) | |
1172 | sta->sta.aid = params->aid; | |
1173 | ||
73651ee6 | 1174 | /* |
ba23d206 JB |
1175 | * Some of the following updates would be racy if called on an |
1176 | * existing station, via ieee80211_change_station(). However, | |
1177 | * all such changes are rejected by cfg80211 except for updates | |
1178 | * changing the supported rates on an existing but not yet used | |
1179 | * TDLS peer. | |
73651ee6 JB |
1180 | */ |
1181 | ||
4fd6931e JB |
1182 | if (params->listen_interval >= 0) |
1183 | sta->listen_interval = params->listen_interval; | |
1184 | ||
1185 | if (params->supported_rates) { | |
2103dec1 SW |
1186 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1187 | sband, params->supported_rates, | |
1188 | params->supported_rates_len, | |
1189 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1190 | } |
c5dd9c2b | 1191 | |
d9fe60de | 1192 | if (params->ht_capa) |
ef96a842 | 1193 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1194 | params->ht_capa, sta); |
36aedc90 | 1195 | |
506bcfa8 | 1196 | /* VHT can override some HT caps such as the A-MSDU max length */ |
f461be3e MP |
1197 | if (params->vht_capa) |
1198 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1199 | params->vht_capa, sta); |
f461be3e | 1200 | |
b1bce14a | 1201 | if (params->opmode_notif_used) { |
b1bce14a MK |
1202 | /* returned value is only needed for rc update, but the |
1203 | * rc isn't initialized here yet, so ignore it | |
1204 | */ | |
1205 | __ieee80211_vht_handle_opmode(sdata, sta, | |
cf1e05c6 | 1206 | params->opmode_notif, band); |
b1bce14a MK |
1207 | } |
1208 | ||
52cfa1d6 AB |
1209 | if (params->support_p2p_ps >= 0) |
1210 | sta->sta.support_p2p_ps = params->support_p2p_ps; | |
1211 | ||
13657702 JB |
1212 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1213 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1214 | |
68885a54 | 1215 | /* set the STA state after all sta info from usermode has been set */ |
44674d9c AB |
1216 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || |
1217 | set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { | |
68885a54 AN |
1218 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1219 | if (ret) | |
1220 | return ret; | |
1221 | } | |
1222 | ||
d9a7ddb0 | 1223 | return 0; |
4fd6931e JB |
1224 | } |
1225 | ||
1226 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1227 | const u8 *mac, |
1228 | struct station_parameters *params) | |
4fd6931e | 1229 | { |
14db74bc | 1230 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1231 | struct sta_info *sta; |
1232 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1233 | int err; |
b8d476c8 | 1234 | int layer2_update; |
4fd6931e | 1235 | |
4fd6931e JB |
1236 | if (params->vlan) { |
1237 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1238 | ||
05c914fe JB |
1239 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1240 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1241 | return -EINVAL; |
1242 | } else | |
1243 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1244 | ||
b203ca39 | 1245 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1246 | return -EINVAL; |
1247 | ||
1248 | if (is_multicast_ether_addr(mac)) | |
1249 | return -EINVAL; | |
1250 | ||
1251 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1252 | if (!sta) |
1253 | return -ENOMEM; | |
4fd6931e | 1254 | |
44674d9c AB |
1255 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
1256 | sta->sta.tdls = true; | |
4fd6931e | 1257 | |
d9a7ddb0 JB |
1258 | err = sta_apply_parameters(local, sta, params); |
1259 | if (err) { | |
1260 | sta_info_free(local, sta); | |
1261 | return err; | |
1262 | } | |
4fd6931e | 1263 | |
d64cf63e | 1264 | /* |
44674d9c AB |
1265 | * for TDLS and for unassociated station, rate control should be |
1266 | * initialized only when rates are known and station is marked | |
1267 | * authorized/associated | |
d64cf63e | 1268 | */ |
44674d9c AB |
1269 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1270 | test_sta_flag(sta, WLAN_STA_ASSOC)) | |
d64cf63e | 1271 | rate_control_rate_init(sta); |
4fd6931e | 1272 | |
b8d476c8 JM |
1273 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1274 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1275 | ||
34e89507 | 1276 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1277 | if (err) { |
73651ee6 JB |
1278 | rcu_read_unlock(); |
1279 | return err; | |
1280 | } | |
1281 | ||
b8d476c8 | 1282 | if (layer2_update) |
73651ee6 JB |
1283 | ieee80211_send_layer2_update(sta); |
1284 | ||
1285 | rcu_read_unlock(); | |
1286 | ||
4fd6931e JB |
1287 | return 0; |
1288 | } | |
1289 | ||
1290 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1291 | struct station_del_parameters *params) |
4fd6931e | 1292 | { |
14db74bc | 1293 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1294 | |
14db74bc JB |
1295 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1296 | ||
89c771e5 JM |
1297 | if (params->mac) |
1298 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1299 | |
b998e8bb | 1300 | sta_info_flush(sdata); |
4fd6931e JB |
1301 | return 0; |
1302 | } | |
1303 | ||
1304 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1305 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1306 | struct station_parameters *params) |
1307 | { | |
abe60632 | 1308 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1309 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1310 | struct sta_info *sta; |
1311 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1312 | enum cfg80211_station_type statype; |
35b88623 | 1313 | int err; |
4fd6931e | 1314 | |
87be1e1e | 1315 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1316 | |
0e5ded5a | 1317 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1318 | if (!sta) { |
77ee7c89 JB |
1319 | err = -ENOENT; |
1320 | goto out_err; | |
98dd6a57 | 1321 | } |
4fd6931e | 1322 | |
77ee7c89 JB |
1323 | switch (sdata->vif.type) { |
1324 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1325 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1326 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1327 | else |
eef941e6 | 1328 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1329 | break; |
1330 | case NL80211_IFTYPE_ADHOC: | |
1331 | statype = CFG80211_STA_IBSS; | |
1332 | break; | |
1333 | case NL80211_IFTYPE_STATION: | |
1334 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1335 | statype = CFG80211_STA_AP_STA; | |
1336 | break; | |
1337 | } | |
1338 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1339 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1340 | else | |
1341 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1342 | break; | |
1343 | case NL80211_IFTYPE_AP: | |
1344 | case NL80211_IFTYPE_AP_VLAN: | |
44674d9c AB |
1345 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
1346 | statype = CFG80211_STA_AP_CLIENT; | |
1347 | else | |
1348 | statype = CFG80211_STA_AP_CLIENT_UNASSOC; | |
77ee7c89 JB |
1349 | break; |
1350 | default: | |
1351 | err = -EOPNOTSUPP; | |
1352 | goto out_err; | |
bdd90d5e JB |
1353 | } |
1354 | ||
77ee7c89 JB |
1355 | err = cfg80211_check_station_change(wiphy, params, statype); |
1356 | if (err) | |
1357 | goto out_err; | |
1358 | ||
d0709a65 | 1359 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1360 | bool prev_4addr = false; |
1361 | bool new_4addr = false; | |
1362 | ||
4fd6931e JB |
1363 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1364 | ||
9bc383de | 1365 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1366 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1367 | err = -EBUSY; |
1368 | goto out_err; | |
3305443c | 1369 | } |
f14543ee | 1370 | |
cf778b00 | 1371 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c | 1372 | new_4addr = true; |
49ddf8e6 | 1373 | __ieee80211_check_fast_rx_iface(vlansdata); |
7e3ed02c FF |
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)) { |
4a733ef1 | 1418 | ieee80211_recalc_ps(local); |
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 | ||
2bdaf386 | 1510 | pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; |
f5ea9120 | 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 | ||
2bdaf386 | 1588 | pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; |
a2db2ed3 HR |
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 | 1851 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
57fbcce3 | 1852 | enum nl80211_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 && | |
57fbcce3 | 1871 | band == NL80211_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; | |
49ddf8e6 | 1896 | ieee80211_check_fast_rx_iface(sdata); |
7b7b5e56 FF |
1897 | } |
1898 | ||
80d7e403 HS |
1899 | if (params->ht_opmode >= 0) { |
1900 | sdata->vif.bss_conf.ht_operation_mode = | |
1901 | (u16) params->ht_opmode; | |
1902 | changed |= BSS_CHANGED_HT; | |
1903 | } | |
1904 | ||
339afbf4 | 1905 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1906 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1907 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1908 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1909 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1910 | changed |= BSS_CHANGED_P2P_PS; |
1911 | } | |
1912 | ||
67baf663 JD |
1913 | if (params->p2p_opp_ps > 0) { |
1914 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1915 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1916 | changed |= BSS_CHANGED_P2P_PS; | |
1917 | } else if (params->p2p_opp_ps == 0) { | |
1918 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1919 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1920 | changed |= BSS_CHANGED_P2P_PS; |
1921 | } | |
1922 | ||
9f1ba906 JM |
1923 | ieee80211_bss_info_change_notify(sdata, changed); |
1924 | ||
1925 | return 0; | |
1926 | } | |
1927 | ||
31888487 | 1928 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1929 | struct net_device *dev, |
31888487 JM |
1930 | struct ieee80211_txq_params *params) |
1931 | { | |
1932 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1933 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1934 | struct ieee80211_tx_queue_params p; |
1935 | ||
1936 | if (!local->ops->conf_tx) | |
1937 | return -EOPNOTSUPP; | |
1938 | ||
54bcbc69 JB |
1939 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1940 | return -EOPNOTSUPP; | |
1941 | ||
31888487 JM |
1942 | memset(&p, 0, sizeof(p)); |
1943 | p.aifs = params->aifs; | |
1944 | p.cw_max = params->cwmax; | |
1945 | p.cw_min = params->cwmin; | |
1946 | p.txop = params->txop; | |
ab13315a KV |
1947 | |
1948 | /* | |
1949 | * Setting tx queue params disables u-apsd because it's only | |
1950 | * called in master mode. | |
1951 | */ | |
1952 | p.uapsd = false; | |
1953 | ||
a3304b0a JB |
1954 | sdata->tx_conf[params->ac] = p; |
1955 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1956 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1957 | "failed to set TX queue parameters for AC %d\n", |
1958 | params->ac); | |
31888487 JM |
1959 | return -EINVAL; |
1960 | } | |
1961 | ||
7d25745d JB |
1962 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1963 | ||
31888487 JM |
1964 | return 0; |
1965 | } | |
1966 | ||
665af4fc | 1967 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1968 | static int ieee80211_suspend(struct wiphy *wiphy, |
1969 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1970 | { |
eecc4800 | 1971 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1972 | } |
1973 | ||
1974 | static int ieee80211_resume(struct wiphy *wiphy) | |
1975 | { | |
1976 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1977 | } | |
1978 | #else | |
1979 | #define ieee80211_suspend NULL | |
1980 | #define ieee80211_resume NULL | |
1981 | #endif | |
1982 | ||
2a519311 | 1983 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1984 | struct cfg80211_scan_request *req) |
1985 | { | |
fd014284 JB |
1986 | struct ieee80211_sub_if_data *sdata; |
1987 | ||
1988 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1989 | |
2ca27bcf JB |
1990 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1991 | case NL80211_IFTYPE_STATION: | |
1992 | case NL80211_IFTYPE_ADHOC: | |
1993 | case NL80211_IFTYPE_MESH_POINT: | |
1994 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1995 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1996 | break; |
1997 | case NL80211_IFTYPE_P2P_GO: | |
1998 | if (sdata->local->ops->hw_scan) | |
1999 | break; | |
e9d7732e JB |
2000 | /* |
2001 | * FIXME: implement NoA while scanning in software, | |
2002 | * for now fall through to allow scanning only when | |
2003 | * beaconing hasn't been configured yet | |
2004 | */ | |
2ca27bcf | 2005 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2006 | /* |
2007 | * If the scan has been forced (and the driver supports | |
2008 | * forcing), don't care about being beaconing already. | |
2009 | * This will create problems to the attached stations (e.g. all | |
2010 | * the frames sent while scanning on other channel will be | |
2011 | * lost) | |
2012 | */ | |
2013 | if (sdata->u.ap.beacon && | |
2014 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2015 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2016 | return -EOPNOTSUPP; |
2017 | break; | |
2018 | default: | |
2019 | return -EOPNOTSUPP; | |
2020 | } | |
2a519311 JB |
2021 | |
2022 | return ieee80211_request_scan(sdata, req); | |
2023 | } | |
2024 | ||
91f123f2 VK |
2025 | static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) |
2026 | { | |
2027 | ieee80211_scan_cancel(wiphy_priv(wiphy)); | |
2028 | } | |
2029 | ||
79f460ca LC |
2030 | static int |
2031 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2032 | struct net_device *dev, | |
2033 | struct cfg80211_sched_scan_request *req) | |
2034 | { | |
2035 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2036 | ||
2037 | if (!sdata->local->ops->sched_scan_start) | |
2038 | return -EOPNOTSUPP; | |
2039 | ||
2040 | return ieee80211_request_sched_scan_start(sdata, req); | |
2041 | } | |
2042 | ||
2043 | static int | |
85a9994a | 2044 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca | 2045 | { |
0d440ea2 | 2046 | struct ieee80211_local *local = wiphy_priv(wiphy); |
79f460ca | 2047 | |
0d440ea2 | 2048 | if (!local->ops->sched_scan_stop) |
79f460ca LC |
2049 | return -EOPNOTSUPP; |
2050 | ||
0d440ea2 | 2051 | return ieee80211_request_sched_scan_stop(local); |
79f460ca LC |
2052 | } |
2053 | ||
636a5d36 JM |
2054 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2055 | struct cfg80211_auth_request *req) | |
2056 | { | |
77fdaa12 | 2057 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2058 | } |
2059 | ||
2060 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2061 | struct cfg80211_assoc_request *req) | |
2062 | { | |
77fdaa12 | 2063 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2064 | } |
2065 | ||
2066 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2067 | struct cfg80211_deauth_request *req) |
636a5d36 | 2068 | { |
63c9c5e7 | 2069 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2070 | } |
2071 | ||
2072 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2073 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2074 | { |
63c9c5e7 | 2075 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2076 | } |
2077 | ||
af8cdcd8 JB |
2078 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2079 | struct cfg80211_ibss_params *params) | |
2080 | { | |
55de908a | 2081 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2082 | } |
2083 | ||
2084 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2085 | { | |
55de908a | 2086 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2087 | } |
2088 | ||
239281f8 RL |
2089 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2090 | struct ocb_setup *setup) | |
2091 | { | |
2092 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2093 | } | |
2094 | ||
2095 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2096 | { | |
2097 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2098 | } | |
2099 | ||
391e53e3 | 2100 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
57fbcce3 | 2101 | int rate[NUM_NL80211_BANDS]) |
391e53e3 AQ |
2102 | { |
2103 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2104 | ||
9887dbf5 | 2105 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
57fbcce3 | 2106 | sizeof(int) * NUM_NL80211_BANDS); |
391e53e3 AQ |
2107 | |
2108 | return 0; | |
2109 | } | |
2110 | ||
b9a5f8ca JM |
2111 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2112 | { | |
2113 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2114 | int err; |
b9a5f8ca | 2115 | |
f23a4780 | 2116 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2117 | ieee80211_check_fast_xmit_all(local); |
2118 | ||
f23a4780 AN |
2119 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2120 | ||
17c18bf8 JB |
2121 | if (err) { |
2122 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2123 | return err; |
17c18bf8 | 2124 | } |
f23a4780 AN |
2125 | } |
2126 | ||
a4bcaf55 LB |
2127 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2128 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2129 | s16 coverage_class; | |
2130 | ||
2131 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2132 | wiphy->coverage_class : -1; | |
2133 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2134 | |
2135 | if (err) | |
2136 | return err; | |
2137 | } | |
2138 | ||
b9a5f8ca | 2139 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2140 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2141 | |
24487981 JB |
2142 | if (err) |
2143 | return err; | |
b9a5f8ca JM |
2144 | } |
2145 | ||
8bc83c24 JB |
2146 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2147 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2148 | return -EINVAL; | |
b9a5f8ca | 2149 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2150 | } |
2151 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2152 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2153 | return -EINVAL; | |
b9a5f8ca | 2154 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2155 | } |
b9a5f8ca JM |
2156 | if (changed & |
2157 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2158 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2159 | ||
2160 | return 0; | |
2161 | } | |
2162 | ||
7643a2c3 | 2163 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2164 | struct wireless_dev *wdev, |
fa61cf70 | 2165 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2166 | { |
2167 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2168 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2169 | enum nl80211_tx_power_setting txp_type = type; |
2170 | bool update_txp_type = false; | |
7643a2c3 | 2171 | |
1ea6f9c0 JB |
2172 | if (wdev) { |
2173 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2174 | ||
2175 | switch (type) { | |
2176 | case NL80211_TX_POWER_AUTOMATIC: | |
2177 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2178 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2179 | break; |
2180 | case NL80211_TX_POWER_LIMITED: | |
2181 | case NL80211_TX_POWER_FIXED: | |
2182 | if (mbm < 0 || (mbm % 100)) | |
2183 | return -EOPNOTSUPP; | |
2184 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2185 | break; | |
2186 | } | |
2187 | ||
db82d8a9 LB |
2188 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2189 | update_txp_type = true; | |
2190 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2191 | } | |
2192 | ||
2193 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2194 | |
2195 | return 0; | |
2196 | } | |
55de908a | 2197 | |
7643a2c3 | 2198 | switch (type) { |
fa61cf70 | 2199 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2200 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2201 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2202 | break; |
fa61cf70 | 2203 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2204 | case NL80211_TX_POWER_FIXED: |
2205 | if (mbm < 0 || (mbm % 100)) | |
2206 | return -EOPNOTSUPP; | |
fa61cf70 | 2207 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2208 | break; |
7643a2c3 JB |
2209 | } |
2210 | ||
1ea6f9c0 | 2211 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2212 | list_for_each_entry(sdata, &local->interfaces, list) { |
1ea6f9c0 | 2213 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2214 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2215 | update_txp_type = true; | |
2216 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2217 | } | |
1ea6f9c0 | 2218 | list_for_each_entry(sdata, &local->interfaces, list) |
db82d8a9 | 2219 | ieee80211_recalc_txpower(sdata, update_txp_type); |
1ea6f9c0 | 2220 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 JB |
2221 | |
2222 | return 0; | |
2223 | } | |
2224 | ||
c8442118 JB |
2225 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2226 | struct wireless_dev *wdev, | |
2227 | int *dbm) | |
7643a2c3 JB |
2228 | { |
2229 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2230 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2231 | |
5b3dc42b FF |
2232 | if (local->ops->get_txpower) |
2233 | return drv_get_txpower(local, sdata, dbm); | |
2234 | ||
1ea6f9c0 JB |
2235 | if (!local->use_chanctx) |
2236 | *dbm = local->hw.conf.power_level; | |
2237 | else | |
2238 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2239 | |
7643a2c3 JB |
2240 | return 0; |
2241 | } | |
2242 | ||
ab737a4f | 2243 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2244 | const u8 *addr) |
ab737a4f JB |
2245 | { |
2246 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2247 | ||
2248 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2249 | ||
2250 | return 0; | |
2251 | } | |
2252 | ||
1f87f7d3 JB |
2253 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2254 | { | |
2255 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2256 | ||
2257 | drv_rfkill_poll(local); | |
2258 | } | |
2259 | ||
aff89a9b | 2260 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2261 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2262 | struct wireless_dev *wdev, | |
2263 | void *data, int len) | |
aff89a9b JB |
2264 | { |
2265 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2266 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2267 | |
2268 | if (!local->ops->testmode_cmd) | |
2269 | return -EOPNOTSUPP; | |
2270 | ||
52981cd7 DS |
2271 | if (wdev) { |
2272 | struct ieee80211_sub_if_data *sdata; | |
2273 | ||
2274 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2275 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2276 | vif = &sdata->vif; | |
2277 | } | |
2278 | ||
2279 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2280 | } |
71063f0e WYG |
2281 | |
2282 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2283 | struct sk_buff *skb, | |
2284 | struct netlink_callback *cb, | |
2285 | void *data, int len) | |
2286 | { | |
2287 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2288 | ||
2289 | if (!local->ops->testmode_dump) | |
2290 | return -EOPNOTSUPP; | |
2291 | ||
2292 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2293 | } | |
aff89a9b JB |
2294 | #endif |
2295 | ||
687da132 EG |
2296 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2297 | enum ieee80211_smps_mode smps_mode) | |
2298 | { | |
2299 | struct sta_info *sta; | |
2300 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2301 | |
2302 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2303 | return -EINVAL; | |
2304 | ||
2305 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2306 | return 0; | |
2307 | ||
2308 | old_req = sdata->u.ap.req_smps; | |
2309 | sdata->u.ap.req_smps = smps_mode; | |
2310 | ||
2311 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2312 | if (old_req == smps_mode || | |
2313 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2314 | return 0; | |
2315 | ||
2316 | /* If no associated stations, there's no need to do anything */ | |
2317 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2318 | sdata->smps_mode = smps_mode; | |
2319 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2320 | return 0; | |
2321 | } | |
2322 | ||
2323 | ht_dbg(sdata, | |
6a8b4adb | 2324 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2325 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2326 | ||
2327 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2328 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2329 | /* | |
2330 | * Only stations associated to our AP and | |
2331 | * associated VLANs | |
2332 | */ | |
2333 | if (sta->sdata->bss != &sdata->u.ap) | |
2334 | continue; | |
687da132 | 2335 | |
7d9bb2f0 JB |
2336 | /* This station doesn't support MIMO - skip it */ |
2337 | if (sta_info_tx_streams(sta) == 1) | |
2338 | continue; | |
687da132 | 2339 | |
7d9bb2f0 JB |
2340 | /* |
2341 | * Don't wake up a STA just to send the action frame | |
2342 | * unless we are getting more restrictive. | |
2343 | */ | |
2344 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2345 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2346 | smps_mode)) { | |
2347 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2348 | sta->sta.addr); | |
2349 | continue; | |
2350 | } | |
687da132 | 2351 | |
7d9bb2f0 JB |
2352 | /* |
2353 | * If the STA is not authorized, wait until it gets | |
2354 | * authorized and the action frame will be sent then. | |
2355 | */ | |
2356 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2357 | continue; | |
687da132 | 2358 | |
7d9bb2f0 JB |
2359 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2360 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2361 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2362 | } |
2363 | mutex_unlock(&sdata->local->sta_mtx); | |
2364 | ||
2365 | sdata->smps_mode = smps_mode; | |
2366 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2367 | ||
2368 | return 0; | |
2369 | } | |
2370 | ||
2371 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2372 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2373 | { |
2374 | const u8 *ap; | |
2375 | enum ieee80211_smps_mode old_req; | |
2376 | int err; | |
d51c2ea3 AN |
2377 | struct sta_info *sta; |
2378 | bool tdls_peer_found = false; | |
0f78231b | 2379 | |
8d61ffa5 | 2380 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2381 | |
687da132 EG |
2382 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2383 | return -EINVAL; | |
2384 | ||
0f78231b JB |
2385 | old_req = sdata->u.mgd.req_smps; |
2386 | sdata->u.mgd.req_smps = smps_mode; | |
2387 | ||
2388 | if (old_req == smps_mode && | |
2389 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2390 | return 0; | |
2391 | ||
2392 | /* | |
2393 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2394 | * association, there's no need to do anything, just store |
2395 | * the new value until we associate. | |
0f78231b JB |
2396 | */ |
2397 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2398 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2399 | return 0; |
0f78231b | 2400 | |
0c1ad2ca | 2401 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2402 | |
d51c2ea3 AN |
2403 | rcu_read_lock(); |
2404 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2405 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2406 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2407 | continue; | |
2408 | ||
2409 | tdls_peer_found = true; | |
2410 | break; | |
2411 | } | |
2412 | rcu_read_unlock(); | |
2413 | ||
0f78231b | 2414 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2415 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2416 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2417 | else |
2418 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2419 | } |
2420 | ||
2421 | /* send SM PS frame to AP */ | |
2422 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2423 | ap, ap); | |
2424 | if (err) | |
2425 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2426 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2427 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2428 | |
2429 | return err; | |
2430 | } | |
2431 | ||
bc92afd9 JB |
2432 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2433 | bool enabled, int timeout) | |
2434 | { | |
2435 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2436 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2437 | |
2d3db210 | 2438 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2439 | return -EOPNOTSUPP; |
2440 | ||
30686bf7 | 2441 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2442 | return -EOPNOTSUPP; |
2443 | ||
2444 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2445 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2446 | return 0; |
2447 | ||
2448 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2449 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2450 | |
0f78231b | 2451 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2452 | sdata_lock(sdata); |
687da132 | 2453 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2454 | sdata_unlock(sdata); |
0f78231b | 2455 | |
30686bf7 | 2456 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2457 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2458 | ||
4a733ef1 | 2459 | ieee80211_recalc_ps(local); |
ab095877 | 2460 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2461 | |
2462 | return 0; | |
2463 | } | |
2464 | ||
a97c13c3 JO |
2465 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2466 | struct net_device *dev, | |
2467 | s32 rssi_thold, u32 rssi_hyst) | |
2468 | { | |
2469 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2470 | struct ieee80211_vif *vif = &sdata->vif; |
2471 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2472 | ||
a97c13c3 JO |
2473 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2474 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2475 | return 0; | |
2476 | ||
ef9be10c JB |
2477 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && |
2478 | !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) | |
2479 | return -EOPNOTSUPP; | |
2480 | ||
a97c13c3 JO |
2481 | bss_conf->cqm_rssi_thold = rssi_thold; |
2482 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
babc305e | 2483 | sdata->u.mgd.last_cqm_event_signal = 0; |
a97c13c3 JO |
2484 | |
2485 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2486 | if (sdata->u.mgd.associated && |
2487 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2488 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2489 | ||
2490 | return 0; | |
2491 | } | |
2492 | ||
9930380f JB |
2493 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2494 | struct net_device *dev, | |
2495 | const u8 *addr, | |
2496 | const struct cfg80211_bitrate_mask *mask) | |
2497 | { | |
2498 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2499 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2500 | int i, ret; |
2c7e6bc9 | 2501 | |
554a43d5 EP |
2502 | if (!ieee80211_sdata_running(sdata)) |
2503 | return -ENETDOWN; | |
2504 | ||
30686bf7 | 2505 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
bdbfd6b5 SM |
2506 | ret = drv_set_bitrate_mask(local, sdata, mask); |
2507 | if (ret) | |
2508 | return ret; | |
2509 | } | |
9930380f | 2510 | |
57fbcce3 | 2511 | for (i = 0; i < NUM_NL80211_BANDS; i++) { |
2ffbe6d3 FF |
2512 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2513 | int j; | |
2514 | ||
37eb0b16 | 2515 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2516 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2517 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2518 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2519 | mask->control[i].vht_mcs, | |
2520 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2521 | |
2522 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2523 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2524 | if (!sband) |
2525 | continue; | |
2526 | ||
b119ad6e | 2527 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2df1b131 | 2528 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
2ffbe6d3 | 2529 | sdata->rc_has_mcs_mask[i] = true; |
2df1b131 JB |
2530 | break; |
2531 | } | |
2532 | } | |
b119ad6e | 2533 | |
2df1b131 JB |
2534 | for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { |
2535 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { | |
b119ad6e | 2536 | sdata->rc_has_vht_mcs_mask[i] = true; |
2ffbe6d3 | 2537 | break; |
2df1b131 | 2538 | } |
b119ad6e | 2539 | } |
19468413 | 2540 | } |
9930380f | 2541 | |
37eb0b16 | 2542 | return 0; |
9930380f JB |
2543 | } |
2544 | ||
164eb02d SW |
2545 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2546 | struct net_device *dev, | |
31559f35 JD |
2547 | struct cfg80211_chan_def *chandef, |
2548 | u32 cac_time_ms) | |
164eb02d SW |
2549 | { |
2550 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2551 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2552 | int err; |
2553 | ||
34a3740d JB |
2554 | mutex_lock(&local->mtx); |
2555 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2556 | err = -EBUSY; | |
2557 | goto out_unlock; | |
2558 | } | |
164eb02d SW |
2559 | |
2560 | /* whatever, but channel contexts should not complain about that one */ | |
2561 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2562 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2563 | |
164eb02d SW |
2564 | err = ieee80211_vif_use_channel(sdata, chandef, |
2565 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2566 | if (err) |
34a3740d | 2567 | goto out_unlock; |
164eb02d | 2568 | |
164eb02d | 2569 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2570 | &sdata->dfs_cac_timer_work, |
2571 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2572 | |
34a3740d JB |
2573 | out_unlock: |
2574 | mutex_unlock(&local->mtx); | |
2575 | return err; | |
164eb02d SW |
2576 | } |
2577 | ||
73da7d5b SW |
2578 | static struct cfg80211_beacon_data * |
2579 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2580 | { | |
2581 | struct cfg80211_beacon_data *new_beacon; | |
2582 | u8 *pos; | |
2583 | int len; | |
2584 | ||
2585 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2586 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2587 | beacon->probe_resp_len; | |
2588 | ||
2589 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2590 | if (!new_beacon) | |
2591 | return NULL; | |
2592 | ||
2593 | pos = (u8 *)(new_beacon + 1); | |
2594 | if (beacon->head_len) { | |
2595 | new_beacon->head_len = beacon->head_len; | |
2596 | new_beacon->head = pos; | |
2597 | memcpy(pos, beacon->head, beacon->head_len); | |
2598 | pos += beacon->head_len; | |
2599 | } | |
2600 | if (beacon->tail_len) { | |
2601 | new_beacon->tail_len = beacon->tail_len; | |
2602 | new_beacon->tail = pos; | |
2603 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2604 | pos += beacon->tail_len; | |
2605 | } | |
2606 | if (beacon->beacon_ies_len) { | |
2607 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2608 | new_beacon->beacon_ies = pos; | |
2609 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2610 | pos += beacon->beacon_ies_len; | |
2611 | } | |
2612 | if (beacon->proberesp_ies_len) { | |
2613 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2614 | new_beacon->proberesp_ies = pos; | |
2615 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2616 | pos += beacon->proberesp_ies_len; | |
2617 | } | |
2618 | if (beacon->assocresp_ies_len) { | |
2619 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2620 | new_beacon->assocresp_ies = pos; | |
2621 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2622 | pos += beacon->assocresp_ies_len; | |
2623 | } | |
2624 | if (beacon->probe_resp_len) { | |
2625 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2626 | beacon->probe_resp = pos; | |
2627 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2628 | pos += beacon->probe_resp_len; | |
2629 | } | |
2630 | ||
2631 | return new_beacon; | |
2632 | } | |
2633 | ||
66e01cf9 | 2634 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2635 | { |
66e01cf9 | 2636 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2637 | |
66e01cf9 LC |
2638 | ieee80211_queue_work(&sdata->local->hw, |
2639 | &sdata->csa_finalize_work); | |
2640 | } | |
2641 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2642 | |
66199506 MK |
2643 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2644 | u32 *changed) | |
66e01cf9 | 2645 | { |
66199506 | 2646 | int err; |
7578d575 | 2647 | |
cd7760e6 SW |
2648 | switch (sdata->vif.type) { |
2649 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2650 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2651 | NULL); | |
97518af1 MK |
2652 | kfree(sdata->u.ap.next_beacon); |
2653 | sdata->u.ap.next_beacon = NULL; | |
2654 | ||
cd7760e6 | 2655 | if (err < 0) |
66199506 MK |
2656 | return err; |
2657 | *changed |= err; | |
cd7760e6 SW |
2658 | break; |
2659 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2660 | err = ieee80211_ibss_finish_csa(sdata); |
2661 | if (err < 0) | |
66199506 MK |
2662 | return err; |
2663 | *changed |= err; | |
cd7760e6 | 2664 | break; |
b8456a14 CYY |
2665 | #ifdef CONFIG_MAC80211_MESH |
2666 | case NL80211_IFTYPE_MESH_POINT: | |
2667 | err = ieee80211_mesh_finish_csa(sdata); | |
2668 | if (err < 0) | |
66199506 MK |
2669 | return err; |
2670 | *changed |= err; | |
b8456a14 CYY |
2671 | break; |
2672 | #endif | |
cd7760e6 SW |
2673 | default: |
2674 | WARN_ON(1); | |
66199506 MK |
2675 | return -EINVAL; |
2676 | } | |
2677 | ||
2678 | return 0; | |
2679 | } | |
2680 | ||
cf8767dd | 2681 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2682 | { |
2683 | struct ieee80211_local *local = sdata->local; | |
2684 | u32 changed = 0; | |
2685 | int err; | |
2686 | ||
2687 | sdata_assert_lock(sdata); | |
2688 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2689 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2690 | |
03078de4 MK |
2691 | /* |
2692 | * using reservation isn't immediate as it may be deferred until later | |
2693 | * with multi-vif. once reservation is complete it will re-schedule the | |
2694 | * work with no reserved_chanctx so verify chandef to check if it | |
2695 | * completed successfully | |
2696 | */ | |
66199506 | 2697 | |
03078de4 MK |
2698 | if (sdata->reserved_chanctx) { |
2699 | /* | |
2700 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2701 | * many times while waiting for other interfaces to use their | |
2702 | * reservations | |
2703 | */ | |
2704 | if (sdata->reserved_ready) | |
2705 | return 0; | |
2706 | ||
408b18ab | 2707 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2708 | } |
73da7d5b | 2709 | |
03078de4 MK |
2710 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
2711 | &sdata->csa_chandef)) | |
2712 | return -EINVAL; | |
2713 | ||
66199506 MK |
2714 | sdata->vif.csa_active = false; |
2715 | ||
2716 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2717 | if (err) | |
cf8767dd | 2718 | return err; |
faf046e7 | 2719 | |
66199506 | 2720 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 2721 | |
a46992b4 LC |
2722 | if (sdata->csa_block_tx) { |
2723 | ieee80211_wake_vif_queues(local, sdata, | |
2724 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
2725 | sdata->csa_block_tx = false; | |
2726 | } | |
cf8767dd | 2727 | |
f1d65583 LC |
2728 | err = drv_post_channel_switch(sdata); |
2729 | if (err) | |
2730 | return err; | |
2731 | ||
2732 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
2733 | ||
cf8767dd MK |
2734 | return 0; |
2735 | } | |
2736 | ||
2737 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
2738 | { | |
2739 | if (__ieee80211_csa_finalize(sdata)) { | |
2740 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
2741 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
2742 | GFP_KERNEL); | |
2743 | } | |
66e01cf9 LC |
2744 | } |
2745 | ||
2746 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2747 | { | |
2748 | struct ieee80211_sub_if_data *sdata = | |
2749 | container_of(work, struct ieee80211_sub_if_data, | |
2750 | csa_finalize_work); | |
59af6928 | 2751 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
2752 | |
2753 | sdata_lock(sdata); | |
59af6928 | 2754 | mutex_lock(&local->mtx); |
03078de4 | 2755 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 2756 | |
66e01cf9 LC |
2757 | /* AP might have been stopped while waiting for the lock. */ |
2758 | if (!sdata->vif.csa_active) | |
2759 | goto unlock; | |
2760 | ||
2761 | if (!ieee80211_sdata_running(sdata)) | |
2762 | goto unlock; | |
2763 | ||
2764 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
2765 | |
2766 | unlock: | |
03078de4 | 2767 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 2768 | mutex_unlock(&local->mtx); |
e487eaeb | 2769 | sdata_unlock(sdata); |
73da7d5b SW |
2770 | } |
2771 | ||
37fa2bdd MK |
2772 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2773 | struct cfg80211_csa_settings *params, | |
2774 | u32 *changed) | |
73da7d5b | 2775 | { |
af296bdb | 2776 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 2777 | int err; |
73da7d5b | 2778 | |
73da7d5b SW |
2779 | switch (sdata->vif.type) { |
2780 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
2781 | sdata->u.ap.next_beacon = |
2782 | cfg80211_beacon_dup(¶ms->beacon_after); | |
2783 | if (!sdata->u.ap.next_beacon) | |
2784 | return -ENOMEM; | |
2785 | ||
66e01cf9 LC |
2786 | /* |
2787 | * With a count of 0, we don't have to wait for any | |
2788 | * TBTT before switching, so complete the CSA | |
2789 | * immediately. In theory, with a count == 1 we | |
2790 | * should delay the switch until just before the next | |
2791 | * TBTT, but that would complicate things so we switch | |
2792 | * immediately too. If we would delay the switch | |
2793 | * until the next TBTT, we would have to set the probe | |
2794 | * response here. | |
2795 | * | |
2796 | * TODO: A channel switch with count <= 1 without | |
2797 | * sending a CSA action frame is kind of useless, | |
2798 | * because the clients won't know we're changing | |
2799 | * channels. The action frame must be implemented | |
2800 | * either here or in the userspace. | |
2801 | */ | |
2802 | if (params->count <= 1) | |
2803 | break; | |
2804 | ||
0d06d9ba AO |
2805 | if ((params->n_counter_offsets_beacon > |
2806 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
2807 | (params->n_counter_offsets_presp > | |
2808 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
2809 | return -EINVAL; | |
9a774c78 | 2810 | |
af296bdb MK |
2811 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
2812 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
2813 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
2814 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
2815 | csa.count = params->count; | |
9a774c78 | 2816 | |
af296bdb | 2817 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
2818 | if (err < 0) { |
2819 | kfree(sdata->u.ap.next_beacon); | |
2820 | return err; | |
2821 | } | |
37fa2bdd | 2822 | *changed |= err; |
66e01cf9 | 2823 | |
cd7760e6 SW |
2824 | break; |
2825 | case NL80211_IFTYPE_ADHOC: | |
2826 | if (!sdata->vif.bss_conf.ibss_joined) | |
2827 | return -EINVAL; | |
2828 | ||
2829 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
2830 | return -EINVAL; | |
2831 | ||
2832 | switch (params->chandef.width) { | |
2833 | case NL80211_CHAN_WIDTH_40: | |
2834 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
2835 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
2836 | return -EINVAL; | |
2837 | case NL80211_CHAN_WIDTH_5: | |
2838 | case NL80211_CHAN_WIDTH_10: | |
2839 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2840 | case NL80211_CHAN_WIDTH_20: | |
2841 | break; | |
2842 | default: | |
2843 | return -EINVAL; | |
2844 | } | |
2845 | ||
2846 | /* changes into another band are not supported */ | |
2847 | if (sdata->u.ibss.chandef.chan->band != | |
2848 | params->chandef.chan->band) | |
2849 | return -EINVAL; | |
2850 | ||
66e01cf9 LC |
2851 | /* see comments in the NL80211_IFTYPE_AP block */ |
2852 | if (params->count > 1) { | |
2853 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
2854 | if (err < 0) | |
2855 | return err; | |
37fa2bdd | 2856 | *changed |= err; |
66e01cf9 LC |
2857 | } |
2858 | ||
2859 | ieee80211_send_action_csa(sdata, params); | |
2860 | ||
73da7d5b | 2861 | break; |
c6da674a | 2862 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
2863 | case NL80211_IFTYPE_MESH_POINT: { |
2864 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 2865 | |
c6da674a CYY |
2866 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
2867 | return -EINVAL; | |
2868 | ||
2869 | /* changes into another band are not supported */ | |
2870 | if (sdata->vif.bss_conf.chandef.chan->band != | |
2871 | params->chandef.chan->band) | |
2872 | return -EINVAL; | |
2873 | ||
c782bf8c | 2874 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 2875 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
2876 | if (!ifmsh->pre_value) |
2877 | ifmsh->pre_value = 1; | |
2878 | else | |
2879 | ifmsh->pre_value++; | |
2880 | } | |
0cb4d4dc | 2881 | |
66e01cf9 LC |
2882 | /* see comments in the NL80211_IFTYPE_AP block */ |
2883 | if (params->count > 1) { | |
2884 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
2885 | if (err < 0) { | |
2886 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
2887 | return err; | |
2888 | } | |
37fa2bdd | 2889 | *changed |= err; |
3f718fd8 | 2890 | } |
66e01cf9 LC |
2891 | |
2892 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
2893 | ieee80211_send_action_csa(sdata, params); | |
2894 | ||
c6da674a | 2895 | break; |
37fa2bdd | 2896 | } |
c6da674a | 2897 | #endif |
73da7d5b SW |
2898 | default: |
2899 | return -EOPNOTSUPP; | |
2900 | } | |
2901 | ||
37fa2bdd MK |
2902 | return 0; |
2903 | } | |
2904 | ||
f29f58a9 LC |
2905 | static int |
2906 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
2907 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
2908 | { |
2909 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2910 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 2911 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 2912 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 2913 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
2914 | u32 changed = 0; |
2915 | int err; | |
37fa2bdd MK |
2916 | |
2917 | sdata_assert_lock(sdata); | |
59af6928 | 2918 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
2919 | |
2920 | if (!list_empty(&local->roc_list) || local->scanning) | |
2921 | return -EBUSY; | |
2922 | ||
2923 | if (sdata->wdev.cac_started) | |
2924 | return -EBUSY; | |
2925 | ||
2926 | if (cfg80211_chandef_identical(¶ms->chandef, | |
2927 | &sdata->vif.bss_conf.chandef)) | |
2928 | return -EINVAL; | |
2929 | ||
03078de4 MK |
2930 | /* don't allow another channel switch if one is already active. */ |
2931 | if (sdata->vif.csa_active) | |
2932 | return -EBUSY; | |
2933 | ||
2b32713d MK |
2934 | mutex_lock(&local->chanctx_mtx); |
2935 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
2936 | lockdep_is_held(&local->chanctx_mtx)); | |
2937 | if (!conf) { | |
03078de4 MK |
2938 | err = -EBUSY; |
2939 | goto out; | |
37fa2bdd MK |
2940 | } |
2941 | ||
2b32713d | 2942 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
03078de4 MK |
2943 | if (!chanctx) { |
2944 | err = -EBUSY; | |
2945 | goto out; | |
37fa2bdd | 2946 | } |
37fa2bdd | 2947 | |
000baa5d LC |
2948 | ch_switch.timestamp = 0; |
2949 | ch_switch.device_timestamp = 0; | |
2950 | ch_switch.block_tx = params->block_tx; | |
2951 | ch_switch.chandef = params->chandef; | |
2952 | ch_switch.count = params->count; | |
2953 | ||
6d027bcc LC |
2954 | err = drv_pre_channel_switch(sdata, &ch_switch); |
2955 | if (err) | |
2956 | goto out; | |
2957 | ||
03078de4 MK |
2958 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
2959 | chanctx->mode, | |
2960 | params->radar_required); | |
2961 | if (err) | |
2962 | goto out; | |
37fa2bdd | 2963 | |
03078de4 MK |
2964 | /* if reservation is invalid then this will fail */ |
2965 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
2966 | if (err) { | |
2967 | ieee80211_vif_unreserve_chanctx(sdata); | |
2968 | goto out; | |
2969 | } | |
37fa2bdd MK |
2970 | |
2971 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
2972 | if (err) { |
2973 | ieee80211_vif_unreserve_chanctx(sdata); | |
2974 | goto out; | |
2975 | } | |
37fa2bdd | 2976 | |
33787fc4 | 2977 | sdata->csa_chandef = params->chandef; |
59af6928 | 2978 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
2979 | sdata->vif.csa_active = true; |
2980 | ||
59af6928 | 2981 | if (sdata->csa_block_tx) |
a46992b4 LC |
2982 | ieee80211_stop_vif_queues(local, sdata, |
2983 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 2984 | |
2f457293 LC |
2985 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
2986 | params->count); | |
2987 | ||
66e01cf9 LC |
2988 | if (changed) { |
2989 | ieee80211_bss_info_change_notify(sdata, changed); | |
2990 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
2991 | } else { | |
2992 | /* if the beacon didn't change, we can finalize immediately */ | |
2993 | ieee80211_csa_finalize(sdata); | |
2994 | } | |
73da7d5b | 2995 | |
03078de4 MK |
2996 | out: |
2997 | mutex_unlock(&local->chanctx_mtx); | |
2998 | return err; | |
73da7d5b SW |
2999 | } |
3000 | ||
59af6928 MK |
3001 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3002 | struct cfg80211_csa_settings *params) | |
3003 | { | |
3004 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3005 | struct ieee80211_local *local = sdata->local; | |
3006 | int err; | |
3007 | ||
3008 | mutex_lock(&local->mtx); | |
3009 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3010 | mutex_unlock(&local->mtx); | |
3011 | ||
3012 | return err; | |
3013 | } | |
3014 | ||
a2fcfccb JB |
3015 | u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
3016 | { | |
3017 | lockdep_assert_held(&local->mtx); | |
3018 | ||
3019 | local->roc_cookie_counter++; | |
3020 | ||
3021 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
3022 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
3023 | local->roc_cookie_counter++; | |
3024 | ||
3025 | return local->roc_cookie_counter; | |
3026 | } | |
3027 | ||
5ee00dbd JB |
3028 | int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, |
3029 | u64 *cookie, gfp_t gfp) | |
3b79af97 JB |
3030 | { |
3031 | unsigned long spin_flags; | |
3032 | struct sk_buff *ack_skb; | |
3033 | int id; | |
3034 | ||
3035 | ack_skb = skb_copy(skb, gfp); | |
3036 | if (!ack_skb) | |
5ee00dbd | 3037 | return -ENOMEM; |
3b79af97 JB |
3038 | |
3039 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3040 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3041 | 1, 0x10000, GFP_ATOMIC); | |
3042 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3043 | ||
3044 | if (id < 0) { | |
3045 | kfree_skb(ack_skb); | |
5ee00dbd | 3046 | return -ENOMEM; |
3b79af97 JB |
3047 | } |
3048 | ||
3049 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3050 | ||
3051 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3052 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3053 | ||
5ee00dbd | 3054 | return 0; |
3b79af97 JB |
3055 | } |
3056 | ||
7be5086d | 3057 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3058 | struct wireless_dev *wdev, |
7be5086d JB |
3059 | u16 frame_type, bool reg) |
3060 | { | |
3061 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1b09b556 | 3062 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 3063 | |
6abe0563 | 3064 | switch (frame_type) { |
6abe0563 | 3065 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
1b09b556 | 3066 | if (reg) { |
6abe0563 | 3067 | local->probe_req_reg++; |
1b09b556 AO |
3068 | sdata->vif.probe_req_reg++; |
3069 | } else { | |
3070 | if (local->probe_req_reg) | |
3071 | local->probe_req_reg--; | |
3072 | ||
3073 | if (sdata->vif.probe_req_reg) | |
3074 | sdata->vif.probe_req_reg--; | |
3075 | } | |
7be5086d | 3076 | |
35f5149e FF |
3077 | if (!local->open_count) |
3078 | break; | |
3079 | ||
1b09b556 AO |
3080 | if (sdata->vif.probe_req_reg == 1) |
3081 | drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, | |
3082 | FIF_PROBE_REQ); | |
3083 | else if (sdata->vif.probe_req_reg == 0) | |
3084 | drv_config_iface_filter(local, sdata, 0, | |
3085 | FIF_PROBE_REQ); | |
3086 | ||
3087 | ieee80211_configure_filter(local); | |
6abe0563 WH |
3088 | break; |
3089 | default: | |
3090 | break; | |
3091 | } | |
7be5086d JB |
3092 | } |
3093 | ||
15d96753 BR |
3094 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3095 | { | |
3096 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3097 | ||
3098 | if (local->started) | |
3099 | return -EOPNOTSUPP; | |
3100 | ||
3101 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3102 | } | |
3103 | ||
3104 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3105 | { | |
3106 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3107 | ||
3108 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3109 | } | |
3110 | ||
c68f4b89 JB |
3111 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3112 | struct net_device *dev, | |
3113 | struct cfg80211_gtk_rekey_data *data) | |
3114 | { | |
3115 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3116 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3117 | ||
3118 | if (!local->ops->set_rekey_data) | |
3119 | return -EOPNOTSUPP; | |
3120 | ||
3121 | drv_set_rekey_data(local, sdata, data); | |
3122 | ||
3123 | return 0; | |
3124 | } | |
3125 | ||
06500736 JB |
3126 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3127 | const u8 *peer, u64 *cookie) | |
3128 | { | |
3129 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3130 | struct ieee80211_local *local = sdata->local; | |
3131 | struct ieee80211_qos_hdr *nullfunc; | |
5ee00dbd | 3132 | struct sk_buff *skb; |
06500736 JB |
3133 | int size = sizeof(*nullfunc); |
3134 | __le16 fc; | |
3135 | bool qos; | |
3136 | struct ieee80211_tx_info *info; | |
3137 | struct sta_info *sta; | |
55de908a | 3138 | struct ieee80211_chanctx_conf *chanctx_conf; |
57fbcce3 | 3139 | enum nl80211_band band; |
3b79af97 JB |
3140 | int ret; |
3141 | ||
3142 | /* the lock is needed to assign the cookie later */ | |
3143 | mutex_lock(&local->mtx); | |
06500736 JB |
3144 | |
3145 | rcu_read_lock(); | |
55de908a JB |
3146 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3147 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3148 | ret = -EINVAL; |
3149 | goto unlock; | |
55de908a | 3150 | } |
4bf88530 | 3151 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3152 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3153 | if (sta) { |
a74a8c84 | 3154 | qos = sta->sta.wme; |
b4487c2d | 3155 | } else { |
3b79af97 JB |
3156 | ret = -ENOLINK; |
3157 | goto unlock; | |
b4487c2d | 3158 | } |
06500736 JB |
3159 | |
3160 | if (qos) { | |
3161 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3162 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3163 | IEEE80211_FCTL_FROMDS); | |
3164 | } else { | |
3165 | size -= 2; | |
3166 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3167 | IEEE80211_STYPE_NULLFUNC | | |
3168 | IEEE80211_FCTL_FROMDS); | |
3169 | } | |
3170 | ||
3171 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3172 | if (!skb) { |
3b79af97 JB |
3173 | ret = -ENOMEM; |
3174 | goto unlock; | |
55de908a | 3175 | } |
06500736 JB |
3176 | |
3177 | skb->dev = dev; | |
3178 | ||
3179 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3180 | ||
3181 | nullfunc = (void *) skb_put(skb, size); | |
3182 | nullfunc->frame_control = fc; | |
3183 | nullfunc->duration_id = 0; | |
3184 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3185 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3186 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3187 | nullfunc->seq_ctrl = 0; | |
3188 | ||
3189 | info = IEEE80211_SKB_CB(skb); | |
3190 | ||
3191 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3192 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3193 | info->band = band; |
06500736 JB |
3194 | |
3195 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3196 | skb->priority = 7; | |
3197 | if (qos) | |
3198 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3199 | ||
5ee00dbd JB |
3200 | ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3201 | if (ret) { | |
3b79af97 | 3202 | kfree_skb(skb); |
3b79af97 JB |
3203 | goto unlock; |
3204 | } | |
3205 | ||
06500736 | 3206 | local_bh_disable(); |
7c10770f | 3207 | ieee80211_xmit(sdata, sta, skb); |
06500736 | 3208 | local_bh_enable(); |
3b79af97 JB |
3209 | |
3210 | ret = 0; | |
3211 | unlock: | |
55de908a | 3212 | rcu_read_unlock(); |
3b79af97 | 3213 | mutex_unlock(&local->mtx); |
06500736 | 3214 | |
3b79af97 | 3215 | return ret; |
06500736 JB |
3216 | } |
3217 | ||
683b6d3b JB |
3218 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3219 | struct wireless_dev *wdev, | |
3220 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3221 | { |
55de908a | 3222 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3223 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3224 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3225 | int ret = -ENODATA; |
55de908a JB |
3226 | |
3227 | rcu_read_lock(); | |
feda3027 JB |
3228 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3229 | if (chanctx_conf) { | |
c12bc488 | 3230 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3231 | ret = 0; |
3232 | } else if (local->open_count > 0 && | |
3233 | local->open_count == local->monitors && | |
3234 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3235 | if (local->use_chanctx) | |
3236 | *chandef = local->monitor_chandef; | |
3237 | else | |
675a0b04 | 3238 | *chandef = local->_oper_chandef; |
683b6d3b | 3239 | ret = 0; |
55de908a JB |
3240 | } |
3241 | rcu_read_unlock(); | |
5b7ccaf3 | 3242 | |
683b6d3b | 3243 | return ret; |
5b7ccaf3 JB |
3244 | } |
3245 | ||
6d52563f JB |
3246 | #ifdef CONFIG_PM |
3247 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3248 | { | |
3249 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3250 | } | |
3251 | #endif | |
3252 | ||
32db6b54 KP |
3253 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3254 | struct net_device *dev, | |
3255 | struct cfg80211_qos_map *qos_map) | |
3256 | { | |
3257 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3258 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3259 | ||
3260 | if (qos_map) { | |
3261 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3262 | if (!new_qos_map) | |
3263 | return -ENOMEM; | |
3264 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3265 | } else { | |
3266 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3267 | new_qos_map = NULL; | |
3268 | } | |
3269 | ||
194ff52d | 3270 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3271 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3272 | if (old_qos_map) | |
3273 | kfree_rcu(old_qos_map, rcu_head); | |
3274 | ||
3275 | return 0; | |
3276 | } | |
3277 | ||
3b1700bd JM |
3278 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3279 | struct net_device *dev, | |
3280 | struct cfg80211_chan_def *chandef) | |
3281 | { | |
3282 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3283 | int ret; | |
3284 | u32 changed = 0; | |
3285 | ||
3286 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3287 | if (ret == 0) | |
3288 | ieee80211_bss_info_change_notify(sdata, changed); | |
3289 | ||
3290 | return ret; | |
3291 | } | |
3292 | ||
02219b3a JB |
3293 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3294 | u8 tsid, const u8 *peer, u8 up, | |
3295 | u16 admitted_time) | |
3296 | { | |
3297 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3298 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3299 | int ac = ieee802_1d_to_ac[up]; | |
3300 | ||
3301 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3302 | return -EOPNOTSUPP; | |
3303 | ||
3304 | if (!(sdata->wmm_acm & BIT(up))) | |
3305 | return -EINVAL; | |
3306 | ||
3307 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3308 | return -EBUSY; | |
3309 | ||
3310 | if (admitted_time) { | |
3311 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3312 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3313 | ifmgd->tx_tspec[ac].up = up; | |
3314 | } | |
3315 | ||
3316 | return 0; | |
3317 | } | |
3318 | ||
3319 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3320 | u8 tsid, const u8 *peer) | |
3321 | { | |
3322 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3323 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3324 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3325 | int ac; | |
3326 | ||
3327 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3328 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3329 | ||
3330 | /* skip unused entries */ | |
3331 | if (!tx_tspec->admitted_time) | |
3332 | continue; | |
3333 | ||
3334 | if (tx_tspec->tsid != tsid) | |
3335 | continue; | |
3336 | ||
3337 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3338 | tx_tspec->up = -1; | |
3339 | ||
3340 | /* Make sure that all packets have been sent to avoid to | |
3341 | * restore the QoS params on packets that are still on the | |
3342 | * queues. | |
3343 | */ | |
3344 | synchronize_net(); | |
3b24f4c6 | 3345 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3346 | |
3347 | /* restore the normal QoS parameters | |
3348 | * (unconditionally to avoid races) | |
3349 | */ | |
3350 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3351 | tx_tspec->downgraded = false; | |
3352 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3353 | ||
3354 | /* finally clear all the data */ | |
3355 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3356 | ||
3357 | return 0; | |
3358 | } | |
3359 | ||
3360 | return -ENOENT; | |
3361 | } | |
3362 | ||
8a47cea7 | 3363 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3364 | .add_virtual_intf = ieee80211_add_iface, |
3365 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3366 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3367 | .start_p2p_device = ieee80211_start_p2p_device, |
3368 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3369 | .add_key = ieee80211_add_key, |
3370 | .del_key = ieee80211_del_key, | |
62da92fb | 3371 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3372 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3373 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3374 | .start_ap = ieee80211_start_ap, |
3375 | .change_beacon = ieee80211_change_beacon, | |
3376 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3377 | .add_station = ieee80211_add_station, |
3378 | .del_station = ieee80211_del_station, | |
3379 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3380 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3381 | .dump_station = ieee80211_dump_station, |
1289723e | 3382 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3383 | #ifdef CONFIG_MAC80211_MESH |
3384 | .add_mpath = ieee80211_add_mpath, | |
3385 | .del_mpath = ieee80211_del_mpath, | |
3386 | .change_mpath = ieee80211_change_mpath, | |
3387 | .get_mpath = ieee80211_get_mpath, | |
3388 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3389 | .get_mpp = ieee80211_get_mpp, |
3390 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3391 | .update_mesh_config = ieee80211_update_mesh_config, |
3392 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3393 | .join_mesh = ieee80211_join_mesh, |
3394 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3395 | #endif |
239281f8 RL |
3396 | .join_ocb = ieee80211_join_ocb, |
3397 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3398 | .change_bss = ieee80211_change_bss, |
31888487 | 3399 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3400 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3401 | .suspend = ieee80211_suspend, |
3402 | .resume = ieee80211_resume, | |
2a519311 | 3403 | .scan = ieee80211_scan, |
91f123f2 | 3404 | .abort_scan = ieee80211_abort_scan, |
79f460ca LC |
3405 | .sched_scan_start = ieee80211_sched_scan_start, |
3406 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3407 | .auth = ieee80211_auth, |
3408 | .assoc = ieee80211_assoc, | |
3409 | .deauth = ieee80211_deauth, | |
3410 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3411 | .join_ibss = ieee80211_join_ibss, |
3412 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3413 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3414 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3415 | .set_tx_power = ieee80211_set_tx_power, |
3416 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3417 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3418 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3419 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3420 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3421 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3422 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3423 | .remain_on_channel = ieee80211_remain_on_channel, |
3424 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3425 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3426 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3427 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3428 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3429 | .set_antenna = ieee80211_set_antenna, |
3430 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3431 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3432 | .tdls_oper = ieee80211_tdls_oper, |
3433 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3434 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3435 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3436 | .probe_client = ieee80211_probe_client, |
b53be792 | 3437 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3438 | #ifdef CONFIG_PM |
3439 | .set_wakeup = ieee80211_set_wakeup, | |
3440 | #endif | |
5b7ccaf3 | 3441 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3442 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3443 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3444 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3445 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3446 | .add_tx_ts = ieee80211_add_tx_ts, |
3447 | .del_tx_ts = ieee80211_del_tx_ts, | |
f0706e82 | 3448 | }; |