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); | |
872 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
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; | |
1000 | ||
1001 | ieee80211_mps_sta_status_update(sta); | |
1002 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1003 | sdata->u.mesh.mshcfg.power_mode); | |
1004 | break; | |
1005 | case NL80211_PLINK_LISTEN: | |
1006 | case NL80211_PLINK_BLOCKED: | |
1007 | case NL80211_PLINK_OPN_SNT: | |
1008 | case NL80211_PLINK_OPN_RCVD: | |
1009 | case NL80211_PLINK_CNF_RCVD: | |
1010 | case NL80211_PLINK_HOLDING: | |
1011 | if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) | |
1012 | changed = mesh_plink_dec_estab_count(sdata); | |
1013 | sta->mesh->plink_state = params->plink_state; | |
1014 | ||
1015 | ieee80211_mps_sta_status_update(sta); | |
1016 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1017 | NL80211_MESH_POWER_UNKNOWN); | |
1018 | break; | |
1019 | default: | |
1020 | /* nothing */ | |
1021 | break; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | switch (params->plink_action) { | |
1026 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1027 | /* nothing */ | |
1028 | break; | |
1029 | case NL80211_PLINK_ACTION_OPEN: | |
1030 | changed |= mesh_plink_open(sta); | |
1031 | break; | |
1032 | case NL80211_PLINK_ACTION_BLOCK: | |
1033 | changed |= mesh_plink_block(sta); | |
1034 | break; | |
1035 | } | |
1036 | ||
1037 | if (params->local_pm) | |
1038 | changed |= ieee80211_mps_set_sta_local_pm(sta, | |
1039 | params->local_pm); | |
1040 | ||
1041 | ieee80211_mbss_info_change_notify(sdata, changed); | |
1042 | #endif | |
1043 | } | |
1044 | ||
d9a7ddb0 JB |
1045 | static int sta_apply_parameters(struct ieee80211_local *local, |
1046 | struct sta_info *sta, | |
1047 | struct station_parameters *params) | |
4fd6931e | 1048 | { |
d9a7ddb0 | 1049 | int ret = 0; |
8318d78a | 1050 | struct ieee80211_supported_band *sband; |
d0709a65 | 1051 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
57fbcce3 | 1052 | enum nl80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1053 | u32 mask, set; |
4fd6931e | 1054 | |
55de908a | 1055 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1056 | |
eccb8e8f JB |
1057 | mask = params->sta_flags_mask; |
1058 | set = params->sta_flags_set; | |
73651ee6 | 1059 | |
d582cffb JB |
1060 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1061 | /* | |
1062 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1063 | * API but must follow AUTHENTICATED for driver state. | |
1064 | */ | |
1065 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1066 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1067 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1068 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1069 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1070 | /* | |
1071 | * TDLS -- everything follows authorized, but | |
1072 | * only becoming authorized is possible, not | |
1073 | * going back | |
1074 | */ | |
1075 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1076 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1077 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1078 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1079 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1080 | } | |
eccb8e8f | 1081 | } |
4fd6931e | 1082 | |
2c44be81 JB |
1083 | if (mask & BIT(NL80211_STA_FLAG_WME) && |
1084 | local->hw.queues >= IEEE80211_NUM_ACS) | |
1085 | sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); | |
1086 | ||
44674d9c AB |
1087 | /* auth flags will be set later for TDLS, |
1088 | * and for unassociated stations that move to assocaited */ | |
1089 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1090 | !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1091 | (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { | |
68885a54 AN |
1092 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1093 | if (ret) | |
1094 | return ret; | |
1095 | } | |
d9a7ddb0 | 1096 | |
eccb8e8f | 1097 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1098 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1099 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1100 | else | |
1101 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1102 | } |
4fd6931e | 1103 | |
eccb8e8f | 1104 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
93f0490e | 1105 | sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); |
eccb8e8f | 1106 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1107 | set_sta_flag(sta, WLAN_STA_MFP); |
1108 | else | |
1109 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1110 | } |
b39c48fa | 1111 | |
07ba55d7 | 1112 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1113 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1114 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1115 | else | |
1116 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1117 | } |
4fd6931e | 1118 | |
9041c1fa AN |
1119 | /* mark TDLS channel switch support, if the AP allows it */ |
1120 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1121 | !sdata->u.mgd.tdls_chan_switch_prohibited && | |
1122 | params->ext_capab_len >= 4 && | |
1123 | params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) | |
1124 | set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); | |
1125 | ||
b98fb44f | 1126 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
82c0cc90 | 1127 | !sdata->u.mgd.tdls_wider_bw_prohibited && |
b98fb44f AN |
1128 | ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && |
1129 | params->ext_capab_len >= 8 && | |
1130 | params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) | |
1131 | set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); | |
1132 | ||
3b9ce80c JB |
1133 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1134 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1135 | sta->sta.max_sp = params->max_sp; | |
1136 | } | |
9533b4ac | 1137 | |
506bcfa8 EG |
1138 | /* The sender might not have sent the last bit, consider it to be 0 */ |
1139 | if (params->ext_capab_len >= 8) { | |
1140 | u8 val = (params->ext_capab[7] & | |
1141 | WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; | |
1142 | ||
1143 | /* we did get all the bits, take the MSB as well */ | |
1144 | if (params->ext_capab_len >= 9) { | |
1145 | u8 val_msb = params->ext_capab[8] & | |
1146 | WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; | |
1147 | val_msb <<= 1; | |
1148 | val |= val_msb; | |
1149 | } | |
1150 | ||
1151 | switch (val) { | |
1152 | case 1: | |
1153 | sta->sta.max_amsdu_subframes = 32; | |
1154 | break; | |
1155 | case 2: | |
1156 | sta->sta.max_amsdu_subframes = 16; | |
1157 | break; | |
1158 | case 3: | |
1159 | sta->sta.max_amsdu_subframes = 8; | |
1160 | break; | |
1161 | default: | |
1162 | sta->sta.max_amsdu_subframes = 0; | |
1163 | } | |
1164 | } | |
1165 | ||
51b50fbe JB |
1166 | /* |
1167 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1168 | * only when creating a new station entry | |
1169 | */ | |
1170 | if (params->aid) | |
1171 | sta->sta.aid = params->aid; | |
1172 | ||
73651ee6 | 1173 | /* |
ba23d206 JB |
1174 | * Some of the following updates would be racy if called on an |
1175 | * existing station, via ieee80211_change_station(). However, | |
1176 | * all such changes are rejected by cfg80211 except for updates | |
1177 | * changing the supported rates on an existing but not yet used | |
1178 | * TDLS peer. | |
73651ee6 JB |
1179 | */ |
1180 | ||
4fd6931e JB |
1181 | if (params->listen_interval >= 0) |
1182 | sta->listen_interval = params->listen_interval; | |
1183 | ||
1184 | if (params->supported_rates) { | |
2103dec1 SW |
1185 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1186 | sband, params->supported_rates, | |
1187 | params->supported_rates_len, | |
1188 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1189 | } |
c5dd9c2b | 1190 | |
d9fe60de | 1191 | if (params->ht_capa) |
ef96a842 | 1192 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1193 | params->ht_capa, sta); |
36aedc90 | 1194 | |
506bcfa8 | 1195 | /* VHT can override some HT caps such as the A-MSDU max length */ |
f461be3e MP |
1196 | if (params->vht_capa) |
1197 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1198 | params->vht_capa, sta); |
f461be3e | 1199 | |
b1bce14a | 1200 | if (params->opmode_notif_used) { |
b1bce14a MK |
1201 | /* returned value is only needed for rc update, but the |
1202 | * rc isn't initialized here yet, so ignore it | |
1203 | */ | |
1204 | __ieee80211_vht_handle_opmode(sdata, sta, | |
cf1e05c6 | 1205 | params->opmode_notif, band); |
b1bce14a MK |
1206 | } |
1207 | ||
52cfa1d6 AB |
1208 | if (params->support_p2p_ps >= 0) |
1209 | sta->sta.support_p2p_ps = params->support_p2p_ps; | |
1210 | ||
13657702 JB |
1211 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
1212 | sta_apply_mesh_params(local, sta, params); | |
d9a7ddb0 | 1213 | |
68885a54 | 1214 | /* set the STA state after all sta info from usermode has been set */ |
44674d9c AB |
1215 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || |
1216 | set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { | |
68885a54 AN |
1217 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1218 | if (ret) | |
1219 | return ret; | |
1220 | } | |
1221 | ||
d9a7ddb0 | 1222 | return 0; |
4fd6931e JB |
1223 | } |
1224 | ||
1225 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1226 | const u8 *mac, |
1227 | struct station_parameters *params) | |
4fd6931e | 1228 | { |
14db74bc | 1229 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1230 | struct sta_info *sta; |
1231 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1232 | int err; |
b8d476c8 | 1233 | int layer2_update; |
4fd6931e | 1234 | |
4fd6931e JB |
1235 | if (params->vlan) { |
1236 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1237 | ||
05c914fe JB |
1238 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1239 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1240 | return -EINVAL; |
1241 | } else | |
1242 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1243 | ||
b203ca39 | 1244 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1245 | return -EINVAL; |
1246 | ||
1247 | if (is_multicast_ether_addr(mac)) | |
1248 | return -EINVAL; | |
1249 | ||
1250 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1251 | if (!sta) |
1252 | return -ENOMEM; | |
4fd6931e | 1253 | |
44674d9c AB |
1254 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
1255 | sta->sta.tdls = true; | |
4fd6931e | 1256 | |
d9a7ddb0 JB |
1257 | err = sta_apply_parameters(local, sta, params); |
1258 | if (err) { | |
1259 | sta_info_free(local, sta); | |
1260 | return err; | |
1261 | } | |
4fd6931e | 1262 | |
d64cf63e | 1263 | /* |
44674d9c AB |
1264 | * for TDLS and for unassociated station, rate control should be |
1265 | * initialized only when rates are known and station is marked | |
1266 | * authorized/associated | |
d64cf63e | 1267 | */ |
44674d9c AB |
1268 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
1269 | test_sta_flag(sta, WLAN_STA_ASSOC)) | |
d64cf63e | 1270 | rate_control_rate_init(sta); |
4fd6931e | 1271 | |
b8d476c8 JM |
1272 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1273 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1274 | ||
34e89507 | 1275 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1276 | if (err) { |
73651ee6 JB |
1277 | rcu_read_unlock(); |
1278 | return err; | |
1279 | } | |
1280 | ||
b8d476c8 | 1281 | if (layer2_update) |
73651ee6 JB |
1282 | ieee80211_send_layer2_update(sta); |
1283 | ||
1284 | rcu_read_unlock(); | |
1285 | ||
4fd6931e JB |
1286 | return 0; |
1287 | } | |
1288 | ||
1289 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
89c771e5 | 1290 | struct station_del_parameters *params) |
4fd6931e | 1291 | { |
14db74bc | 1292 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1293 | |
14db74bc JB |
1294 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1295 | ||
89c771e5 JM |
1296 | if (params->mac) |
1297 | return sta_info_destroy_addr_bss(sdata, params->mac); | |
4fd6931e | 1298 | |
b998e8bb | 1299 | sta_info_flush(sdata); |
4fd6931e JB |
1300 | return 0; |
1301 | } | |
1302 | ||
1303 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1304 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1305 | struct station_parameters *params) |
1306 | { | |
abe60632 | 1307 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1308 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1309 | struct sta_info *sta; |
1310 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1311 | enum cfg80211_station_type statype; |
35b88623 | 1312 | int err; |
4fd6931e | 1313 | |
87be1e1e | 1314 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1315 | |
0e5ded5a | 1316 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1317 | if (!sta) { |
77ee7c89 JB |
1318 | err = -ENOENT; |
1319 | goto out_err; | |
98dd6a57 | 1320 | } |
4fd6931e | 1321 | |
77ee7c89 JB |
1322 | switch (sdata->vif.type) { |
1323 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1324 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1325 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1326 | else |
eef941e6 | 1327 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1328 | break; |
1329 | case NL80211_IFTYPE_ADHOC: | |
1330 | statype = CFG80211_STA_IBSS; | |
1331 | break; | |
1332 | case NL80211_IFTYPE_STATION: | |
1333 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1334 | statype = CFG80211_STA_AP_STA; | |
1335 | break; | |
1336 | } | |
1337 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1338 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1339 | else | |
1340 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1341 | break; | |
1342 | case NL80211_IFTYPE_AP: | |
1343 | case NL80211_IFTYPE_AP_VLAN: | |
44674d9c AB |
1344 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
1345 | statype = CFG80211_STA_AP_CLIENT; | |
1346 | else | |
1347 | statype = CFG80211_STA_AP_CLIENT_UNASSOC; | |
77ee7c89 JB |
1348 | break; |
1349 | default: | |
1350 | err = -EOPNOTSUPP; | |
1351 | goto out_err; | |
bdd90d5e JB |
1352 | } |
1353 | ||
77ee7c89 JB |
1354 | err = cfg80211_check_station_change(wiphy, params, statype); |
1355 | if (err) | |
1356 | goto out_err; | |
1357 | ||
d0709a65 | 1358 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1359 | bool prev_4addr = false; |
1360 | bool new_4addr = false; | |
1361 | ||
4fd6931e JB |
1362 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1363 | ||
9bc383de | 1364 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1365 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1366 | err = -EBUSY; |
1367 | goto out_err; | |
3305443c | 1368 | } |
f14543ee | 1369 | |
cf778b00 | 1370 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c | 1371 | new_4addr = true; |
49ddf8e6 | 1372 | __ieee80211_check_fast_rx_iface(vlansdata); |
7e3ed02c FF |
1373 | } |
1374 | ||
1375 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1376 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1377 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1378 | prev_4addr = true; |
f14543ee FF |
1379 | } |
1380 | ||
14db74bc | 1381 | sta->sdata = vlansdata; |
464daaf0 | 1382 | ieee80211_check_fast_xmit(sta); |
7e3ed02c FF |
1383 | |
1384 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1385 | prev_4addr != new_4addr) { | |
1386 | if (new_4addr) | |
1387 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1388 | else | |
1389 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1390 | } | |
1391 | ||
4fd6931e JB |
1392 | ieee80211_send_layer2_update(sta); |
1393 | } | |
1394 | ||
35b88623 | 1395 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1396 | if (err) |
1397 | goto out_err; | |
4fd6931e | 1398 | |
87be1e1e | 1399 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1400 | |
687da132 EG |
1401 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1402 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1403 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1404 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1405 | sta_info_tx_streams(sta) != 1) { | |
1406 | ht_dbg(sta->sdata, | |
1407 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1408 | sta->sta.addr); | |
1409 | ieee80211_send_smps_action(sta->sdata, | |
1410 | sta->sdata->bss->req_smps, | |
1411 | sta->sta.addr, | |
1412 | sta->sdata->vif.bss_conf.bssid); | |
1413 | } | |
1414 | ||
808118cb | 1415 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1416 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4a733ef1 | 1417 | ieee80211_recalc_ps(local); |
ab095877 EP |
1418 | ieee80211_recalc_ps_vif(sdata); |
1419 | } | |
77ee7c89 | 1420 | |
4fd6931e | 1421 | return 0; |
77ee7c89 JB |
1422 | out_err: |
1423 | mutex_unlock(&local->sta_mtx); | |
1424 | return err; | |
4fd6931e JB |
1425 | } |
1426 | ||
c5dd9c2b LCC |
1427 | #ifdef CONFIG_MAC80211_MESH |
1428 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1429 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1430 | { |
14db74bc | 1431 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1432 | struct mesh_path *mpath; |
1433 | struct sta_info *sta; | |
c5dd9c2b | 1434 | |
14db74bc JB |
1435 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1436 | ||
d0709a65 | 1437 | rcu_read_lock(); |
abe60632 | 1438 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1439 | if (!sta) { |
1440 | rcu_read_unlock(); | |
c5dd9c2b | 1441 | return -ENOENT; |
d0709a65 | 1442 | } |
c5dd9c2b | 1443 | |
ae76eef0 BC |
1444 | mpath = mesh_path_add(sdata, dst); |
1445 | if (IS_ERR(mpath)) { | |
d0709a65 | 1446 | rcu_read_unlock(); |
ae76eef0 | 1447 | return PTR_ERR(mpath); |
d0709a65 | 1448 | } |
c5dd9c2b | 1449 | |
c5dd9c2b | 1450 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1451 | |
c5dd9c2b LCC |
1452 | rcu_read_unlock(); |
1453 | return 0; | |
1454 | } | |
1455 | ||
1456 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1457 | const u8 *dst) |
c5dd9c2b | 1458 | { |
f698d856 JBG |
1459 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1460 | ||
c5dd9c2b | 1461 | if (dst) |
bf7cd94d | 1462 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1463 | |
ece1a2e7 | 1464 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1465 | return 0; |
1466 | } | |
1467 | ||
3b3a0162 JB |
1468 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1469 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1470 | { |
14db74bc | 1471 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1472 | struct mesh_path *mpath; |
1473 | struct sta_info *sta; | |
1474 | ||
14db74bc JB |
1475 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1476 | ||
d0709a65 JB |
1477 | rcu_read_lock(); |
1478 | ||
abe60632 | 1479 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1480 | if (!sta) { |
1481 | rcu_read_unlock(); | |
c5dd9c2b | 1482 | return -ENOENT; |
d0709a65 | 1483 | } |
c5dd9c2b | 1484 | |
bf7cd94d | 1485 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1486 | if (!mpath) { |
1487 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1488 | return -ENOENT; |
1489 | } | |
1490 | ||
1491 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1492 | |
c5dd9c2b LCC |
1493 | rcu_read_unlock(); |
1494 | return 0; | |
1495 | } | |
1496 | ||
1497 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1498 | struct mpath_info *pinfo) | |
1499 | { | |
a3836e02 JB |
1500 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1501 | ||
1502 | if (next_hop_sta) | |
1503 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b | 1504 | else |
c84a67a2 | 1505 | eth_zero_addr(next_hop); |
c5dd9c2b | 1506 | |
7ce8c7a3 LAYS |
1507 | memset(pinfo, 0, sizeof(*pinfo)); |
1508 | ||
2bdaf386 | 1509 | pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; |
f5ea9120 | 1510 | |
c5dd9c2b | 1511 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1512 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1513 | MPATH_INFO_METRIC | |
1514 | MPATH_INFO_EXPTIME | | |
1515 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1516 | MPATH_INFO_DISCOVERY_RETRIES | | |
1517 | MPATH_INFO_FLAGS; | |
1518 | ||
1519 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1520 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1521 | pinfo->metric = mpath->metric; |
1522 | if (time_before(jiffies, mpath->exp_time)) | |
1523 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1524 | pinfo->discovery_timeout = | |
1525 | jiffies_to_msecs(mpath->discovery_timeout); | |
1526 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1527 | if (mpath->flags & MESH_PATH_ACTIVE) |
1528 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1529 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1530 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1531 | if (mpath->flags & MESH_PATH_SN_VALID) |
1532 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1533 | if (mpath->flags & MESH_PATH_FIXED) |
1534 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1535 | if (mpath->flags & MESH_PATH_RESOLVED) |
1536 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1537 | } |
1538 | ||
1539 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1540 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1541 | ||
1542 | { | |
14db74bc | 1543 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1544 | struct mesh_path *mpath; |
1545 | ||
14db74bc JB |
1546 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1547 | ||
c5dd9c2b | 1548 | rcu_read_lock(); |
bf7cd94d | 1549 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1550 | if (!mpath) { |
1551 | rcu_read_unlock(); | |
1552 | return -ENOENT; | |
1553 | } | |
1554 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1555 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1556 | rcu_read_unlock(); | |
1557 | return 0; | |
1558 | } | |
1559 | ||
1560 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1561 | int idx, u8 *dst, u8 *next_hop, |
1562 | struct mpath_info *pinfo) | |
c5dd9c2b | 1563 | { |
14db74bc | 1564 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1565 | struct mesh_path *mpath; |
1566 | ||
14db74bc JB |
1567 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1568 | ||
c5dd9c2b | 1569 | rcu_read_lock(); |
bf7cd94d | 1570 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1571 | if (!mpath) { |
1572 | rcu_read_unlock(); | |
1573 | return -ENOENT; | |
1574 | } | |
1575 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1576 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1577 | rcu_read_unlock(); | |
1578 | return 0; | |
1579 | } | |
93da9cc1 | 1580 | |
a2db2ed3 HR |
1581 | static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, |
1582 | struct mpath_info *pinfo) | |
1583 | { | |
1584 | memset(pinfo, 0, sizeof(*pinfo)); | |
1585 | memcpy(mpp, mpath->mpp, ETH_ALEN); | |
1586 | ||
2bdaf386 | 1587 | pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; |
a2db2ed3 HR |
1588 | } |
1589 | ||
1590 | static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1591 | u8 *dst, u8 *mpp, struct mpath_info *pinfo) | |
1592 | ||
1593 | { | |
1594 | struct ieee80211_sub_if_data *sdata; | |
1595 | struct mesh_path *mpath; | |
1596 | ||
1597 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1598 | ||
1599 | rcu_read_lock(); | |
1600 | mpath = mpp_path_lookup(sdata, dst); | |
1601 | if (!mpath) { | |
1602 | rcu_read_unlock(); | |
1603 | return -ENOENT; | |
1604 | } | |
1605 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1606 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1607 | rcu_read_unlock(); | |
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, | |
1612 | int idx, u8 *dst, u8 *mpp, | |
1613 | struct mpath_info *pinfo) | |
1614 | { | |
1615 | struct ieee80211_sub_if_data *sdata; | |
1616 | struct mesh_path *mpath; | |
1617 | ||
1618 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1619 | ||
1620 | rcu_read_lock(); | |
1621 | mpath = mpp_path_lookup_by_idx(sdata, idx); | |
1622 | if (!mpath) { | |
1623 | rcu_read_unlock(); | |
1624 | return -ENOENT; | |
1625 | } | |
1626 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1627 | mpp_set_pinfo(mpath, mpp, pinfo); | |
1628 | rcu_read_unlock(); | |
1629 | return 0; | |
1630 | } | |
1631 | ||
24bdd9f4 | 1632 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1633 | struct net_device *dev, |
1634 | struct mesh_config *conf) | |
1635 | { | |
1636 | struct ieee80211_sub_if_data *sdata; | |
1637 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1638 | ||
93da9cc1 | 1639 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1644 | { | |
1645 | return (mask >> (parm-1)) & 0x1; | |
1646 | } | |
1647 | ||
c80d545d JC |
1648 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1649 | const struct mesh_setup *setup) | |
1650 | { | |
1651 | u8 *new_ie; | |
1652 | const u8 *old_ie; | |
4bb62344 CYY |
1653 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1654 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1655 | |
581a8b0f | 1656 | /* allocate information elements */ |
c80d545d | 1657 | new_ie = NULL; |
581a8b0f | 1658 | old_ie = ifmsh->ie; |
c80d545d | 1659 | |
581a8b0f JC |
1660 | if (setup->ie_len) { |
1661 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1662 | GFP_KERNEL); |
1663 | if (!new_ie) | |
1664 | return -ENOMEM; | |
1665 | } | |
581a8b0f JC |
1666 | ifmsh->ie_len = setup->ie_len; |
1667 | ifmsh->ie = new_ie; | |
1668 | kfree(old_ie); | |
c80d545d JC |
1669 | |
1670 | /* now copy the rest of the setup parameters */ | |
1671 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1672 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1673 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1674 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1675 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1676 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1677 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1678 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1679 | if (setup->is_authenticated) | |
1680 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1681 | if (setup->is_secure) | |
1682 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1683 | |
4bb62344 CYY |
1684 | /* mcast rate setting in Mesh Node */ |
1685 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1686 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1687 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1688 | |
9bdbf04d MP |
1689 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1690 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1691 | ||
c80d545d JC |
1692 | return 0; |
1693 | } | |
1694 | ||
24bdd9f4 | 1695 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1696 | struct net_device *dev, u32 mask, |
1697 | const struct mesh_config *nconf) | |
93da9cc1 | 1698 | { |
1699 | struct mesh_config *conf; | |
1700 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1701 | struct ieee80211_if_mesh *ifmsh; |
1702 | ||
93da9cc1 | 1703 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1704 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1705 | |
93da9cc1 | 1706 | /* Set the config options which we are interested in setting */ |
1707 | conf = &(sdata->u.mesh.mshcfg); | |
1708 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1709 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1710 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1711 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1712 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1713 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1714 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1715 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1716 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1717 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1718 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1719 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1720 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1721 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1722 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1723 | if (ifmsh->user_mpm) | |
1724 | return -EBUSY; | |
93da9cc1 | 1725 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1726 | } |
d299a1f2 JC |
1727 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1728 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1729 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1730 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1731 | conf->dot11MeshHWMPmaxPREQretries = | |
1732 | nconf->dot11MeshHWMPmaxPREQretries; | |
1733 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1734 | conf->path_refresh_time = nconf->path_refresh_time; | |
1735 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1736 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1737 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1738 | conf->dot11MeshHWMPactivePathTimeout = | |
1739 | nconf->dot11MeshHWMPactivePathTimeout; | |
1740 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1741 | conf->dot11MeshHWMPpreqMinInterval = | |
1742 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1743 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1744 | conf->dot11MeshHWMPperrMinInterval = | |
1745 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1746 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1747 | mask)) | |
1748 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1749 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1750 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1751 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1752 | ieee80211_mesh_root_setup(ifmsh); | |
1753 | } | |
16dd7267 | 1754 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1755 | /* our current gate announcement implementation rides on root |
1756 | * announcements, so require this ifmsh to also be a root node | |
1757 | * */ | |
1758 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1759 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1760 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1761 | ieee80211_mesh_root_setup(ifmsh); |
1762 | } | |
16dd7267 JC |
1763 | conf->dot11MeshGateAnnouncementProtocol = |
1764 | nconf->dot11MeshGateAnnouncementProtocol; | |
1765 | } | |
a4f606ea | 1766 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1767 | conf->dot11MeshHWMPRannInterval = |
1768 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1769 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1770 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1771 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1772 | /* our RSSI threshold implementation is supported only for | |
1773 | * devices that report signal in dBm. | |
1774 | */ | |
30686bf7 | 1775 | if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) |
55335137 AN |
1776 | return -ENOTSUPP; |
1777 | conf->rssi_threshold = nconf->rssi_threshold; | |
1778 | } | |
70c33eaa AN |
1779 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1780 | conf->ht_opmode = nconf->ht_opmode; | |
1781 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1782 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1783 | } | |
ac1073a6 CYY |
1784 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1785 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1786 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1787 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1788 | conf->dot11MeshHWMProotInterval = | |
1789 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1790 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1791 | conf->dot11MeshHWMPconfirmationInterval = | |
1792 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1793 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1794 | conf->power_mode = nconf->power_mode; | |
1795 | ieee80211_mps_local_status_update(sdata); | |
1796 | } | |
2b5e1967 | 1797 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1798 | conf->dot11MeshAwakeWindowDuration = |
1799 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1800 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1801 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1802 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1803 | return 0; |
1804 | } | |
1805 | ||
29cbe68c JB |
1806 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1807 | const struct mesh_config *conf, | |
1808 | const struct mesh_setup *setup) | |
1809 | { | |
1810 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1811 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1812 | int err; |
29cbe68c | 1813 | |
c80d545d JC |
1814 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1815 | err = copy_mesh_setup(ifmsh, setup); | |
1816 | if (err) | |
1817 | return err; | |
cc1d2806 | 1818 | |
04ecd257 JB |
1819 | /* can mesh use other SMPS modes? */ |
1820 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1821 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1822 | ||
34a3740d | 1823 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1824 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1825 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1826 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1827 | if (err) |
1828 | return err; | |
1829 | ||
2b5e1967 | 1830 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1831 | } |
1832 | ||
1833 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1834 | { | |
1835 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1836 | ||
1837 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1838 | mutex_lock(&sdata->local->mtx); |
55de908a | 1839 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1840 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1841 | |
1842 | return 0; | |
1843 | } | |
c5dd9c2b LCC |
1844 | #endif |
1845 | ||
9f1ba906 JM |
1846 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1847 | struct net_device *dev, | |
1848 | struct bss_parameters *params) | |
1849 | { | |
55de908a | 1850 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
57fbcce3 | 1851 | enum nl80211_band band; |
9f1ba906 JM |
1852 | u32 changed = 0; |
1853 | ||
7ca133bc | 1854 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1855 | return -ENOENT; |
1856 | ||
1857 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1858 | |
9f1ba906 | 1859 | if (params->use_cts_prot >= 0) { |
bda3933a | 1860 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1861 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1862 | } | |
1863 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1864 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1865 | params->use_short_preamble; |
1866 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1867 | } | |
43d35343 FF |
1868 | |
1869 | if (!sdata->vif.bss_conf.use_short_slot && | |
57fbcce3 | 1870 | band == NL80211_BAND_5GHZ) { |
43d35343 FF |
1871 | sdata->vif.bss_conf.use_short_slot = true; |
1872 | changed |= BSS_CHANGED_ERP_SLOT; | |
1873 | } | |
1874 | ||
9f1ba906 | 1875 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1876 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1877 | params->use_short_slot_time; |
1878 | changed |= BSS_CHANGED_ERP_SLOT; | |
1879 | } | |
1880 | ||
90c97a04 | 1881 | if (params->basic_rates) { |
2103dec1 SW |
1882 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1883 | wiphy->bands[band], | |
1884 | params->basic_rates, | |
1885 | params->basic_rates_len, | |
1886 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
1887 | changed |= BSS_CHANGED_BASIC_RATES; |
1888 | } | |
1889 | ||
7b7b5e56 FF |
1890 | if (params->ap_isolate >= 0) { |
1891 | if (params->ap_isolate) | |
1892 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1893 | else | |
1894 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
49ddf8e6 | 1895 | ieee80211_check_fast_rx_iface(sdata); |
7b7b5e56 FF |
1896 | } |
1897 | ||
80d7e403 HS |
1898 | if (params->ht_opmode >= 0) { |
1899 | sdata->vif.bss_conf.ht_operation_mode = | |
1900 | (u16) params->ht_opmode; | |
1901 | changed |= BSS_CHANGED_HT; | |
1902 | } | |
1903 | ||
339afbf4 | 1904 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1905 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1906 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1907 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1908 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1909 | changed |= BSS_CHANGED_P2P_PS; |
1910 | } | |
1911 | ||
67baf663 JD |
1912 | if (params->p2p_opp_ps > 0) { |
1913 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1914 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1915 | changed |= BSS_CHANGED_P2P_PS; | |
1916 | } else if (params->p2p_opp_ps == 0) { | |
1917 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1918 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1919 | changed |= BSS_CHANGED_P2P_PS; |
1920 | } | |
1921 | ||
9f1ba906 JM |
1922 | ieee80211_bss_info_change_notify(sdata, changed); |
1923 | ||
1924 | return 0; | |
1925 | } | |
1926 | ||
31888487 | 1927 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1928 | struct net_device *dev, |
31888487 JM |
1929 | struct ieee80211_txq_params *params) |
1930 | { | |
1931 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1932 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1933 | struct ieee80211_tx_queue_params p; |
1934 | ||
1935 | if (!local->ops->conf_tx) | |
1936 | return -EOPNOTSUPP; | |
1937 | ||
54bcbc69 JB |
1938 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1939 | return -EOPNOTSUPP; | |
1940 | ||
31888487 JM |
1941 | memset(&p, 0, sizeof(p)); |
1942 | p.aifs = params->aifs; | |
1943 | p.cw_max = params->cwmax; | |
1944 | p.cw_min = params->cwmin; | |
1945 | p.txop = params->txop; | |
ab13315a KV |
1946 | |
1947 | /* | |
1948 | * Setting tx queue params disables u-apsd because it's only | |
1949 | * called in master mode. | |
1950 | */ | |
1951 | p.uapsd = false; | |
1952 | ||
a3304b0a JB |
1953 | sdata->tx_conf[params->ac] = p; |
1954 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1955 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1956 | "failed to set TX queue parameters for AC %d\n", |
1957 | params->ac); | |
31888487 JM |
1958 | return -EINVAL; |
1959 | } | |
1960 | ||
7d25745d JB |
1961 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1962 | ||
31888487 JM |
1963 | return 0; |
1964 | } | |
1965 | ||
665af4fc | 1966 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1967 | static int ieee80211_suspend(struct wiphy *wiphy, |
1968 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1969 | { |
eecc4800 | 1970 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1971 | } |
1972 | ||
1973 | static int ieee80211_resume(struct wiphy *wiphy) | |
1974 | { | |
1975 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1976 | } | |
1977 | #else | |
1978 | #define ieee80211_suspend NULL | |
1979 | #define ieee80211_resume NULL | |
1980 | #endif | |
1981 | ||
2a519311 | 1982 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1983 | struct cfg80211_scan_request *req) |
1984 | { | |
fd014284 JB |
1985 | struct ieee80211_sub_if_data *sdata; |
1986 | ||
1987 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1988 | |
2ca27bcf JB |
1989 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1990 | case NL80211_IFTYPE_STATION: | |
1991 | case NL80211_IFTYPE_ADHOC: | |
1992 | case NL80211_IFTYPE_MESH_POINT: | |
1993 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1994 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1995 | break; |
1996 | case NL80211_IFTYPE_P2P_GO: | |
1997 | if (sdata->local->ops->hw_scan) | |
1998 | break; | |
e9d7732e JB |
1999 | /* |
2000 | * FIXME: implement NoA while scanning in software, | |
2001 | * for now fall through to allow scanning only when | |
2002 | * beaconing hasn't been configured yet | |
2003 | */ | |
2ca27bcf | 2004 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2005 | /* |
2006 | * If the scan has been forced (and the driver supports | |
2007 | * forcing), don't care about being beaconing already. | |
2008 | * This will create problems to the attached stations (e.g. all | |
2009 | * the frames sent while scanning on other channel will be | |
2010 | * lost) | |
2011 | */ | |
2012 | if (sdata->u.ap.beacon && | |
2013 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2014 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2015 | return -EOPNOTSUPP; |
2016 | break; | |
2017 | default: | |
2018 | return -EOPNOTSUPP; | |
2019 | } | |
2a519311 JB |
2020 | |
2021 | return ieee80211_request_scan(sdata, req); | |
2022 | } | |
2023 | ||
91f123f2 VK |
2024 | static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) |
2025 | { | |
2026 | ieee80211_scan_cancel(wiphy_priv(wiphy)); | |
2027 | } | |
2028 | ||
79f460ca LC |
2029 | static int |
2030 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2031 | struct net_device *dev, | |
2032 | struct cfg80211_sched_scan_request *req) | |
2033 | { | |
2034 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2035 | ||
2036 | if (!sdata->local->ops->sched_scan_start) | |
2037 | return -EOPNOTSUPP; | |
2038 | ||
2039 | return ieee80211_request_sched_scan_start(sdata, req); | |
2040 | } | |
2041 | ||
2042 | static int | |
85a9994a | 2043 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca | 2044 | { |
0d440ea2 | 2045 | struct ieee80211_local *local = wiphy_priv(wiphy); |
79f460ca | 2046 | |
0d440ea2 | 2047 | if (!local->ops->sched_scan_stop) |
79f460ca LC |
2048 | return -EOPNOTSUPP; |
2049 | ||
0d440ea2 | 2050 | return ieee80211_request_sched_scan_stop(local); |
79f460ca LC |
2051 | } |
2052 | ||
636a5d36 JM |
2053 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2054 | struct cfg80211_auth_request *req) | |
2055 | { | |
77fdaa12 | 2056 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2057 | } |
2058 | ||
2059 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2060 | struct cfg80211_assoc_request *req) | |
2061 | { | |
77fdaa12 | 2062 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2063 | } |
2064 | ||
2065 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2066 | struct cfg80211_deauth_request *req) |
636a5d36 | 2067 | { |
63c9c5e7 | 2068 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2069 | } |
2070 | ||
2071 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2072 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2073 | { |
63c9c5e7 | 2074 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2075 | } |
2076 | ||
af8cdcd8 JB |
2077 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2078 | struct cfg80211_ibss_params *params) | |
2079 | { | |
55de908a | 2080 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2081 | } |
2082 | ||
2083 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2084 | { | |
55de908a | 2085 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2086 | } |
2087 | ||
239281f8 RL |
2088 | static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, |
2089 | struct ocb_setup *setup) | |
2090 | { | |
2091 | return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); | |
2092 | } | |
2093 | ||
2094 | static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) | |
2095 | { | |
2096 | return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); | |
2097 | } | |
2098 | ||
391e53e3 | 2099 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
57fbcce3 | 2100 | int rate[NUM_NL80211_BANDS]) |
391e53e3 AQ |
2101 | { |
2102 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2103 | ||
9887dbf5 | 2104 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
57fbcce3 | 2105 | sizeof(int) * NUM_NL80211_BANDS); |
391e53e3 AQ |
2106 | |
2107 | return 0; | |
2108 | } | |
2109 | ||
b9a5f8ca JM |
2110 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2111 | { | |
2112 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2113 | int err; |
b9a5f8ca | 2114 | |
f23a4780 | 2115 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
17c18bf8 JB |
2116 | ieee80211_check_fast_xmit_all(local); |
2117 | ||
f23a4780 AN |
2118 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); |
2119 | ||
17c18bf8 JB |
2120 | if (err) { |
2121 | ieee80211_check_fast_xmit_all(local); | |
f23a4780 | 2122 | return err; |
17c18bf8 | 2123 | } |
f23a4780 AN |
2124 | } |
2125 | ||
a4bcaf55 LB |
2126 | if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || |
2127 | (changed & WIPHY_PARAM_DYN_ACK)) { | |
2128 | s16 coverage_class; | |
2129 | ||
2130 | coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? | |
2131 | wiphy->coverage_class : -1; | |
2132 | err = drv_set_coverage_class(local, coverage_class); | |
310bc676 LT |
2133 | |
2134 | if (err) | |
2135 | return err; | |
2136 | } | |
2137 | ||
b9a5f8ca | 2138 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2139 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2140 | |
24487981 JB |
2141 | if (err) |
2142 | return err; | |
b9a5f8ca JM |
2143 | } |
2144 | ||
8bc83c24 JB |
2145 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2146 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2147 | return -EINVAL; | |
b9a5f8ca | 2148 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2149 | } |
2150 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2151 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2152 | return -EINVAL; | |
b9a5f8ca | 2153 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2154 | } |
b9a5f8ca JM |
2155 | if (changed & |
2156 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2157 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2158 | ||
2159 | return 0; | |
2160 | } | |
2161 | ||
7643a2c3 | 2162 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2163 | struct wireless_dev *wdev, |
fa61cf70 | 2164 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2165 | { |
2166 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2167 | struct ieee80211_sub_if_data *sdata; |
db82d8a9 LB |
2168 | enum nl80211_tx_power_setting txp_type = type; |
2169 | bool update_txp_type = false; | |
7643a2c3 | 2170 | |
1ea6f9c0 JB |
2171 | if (wdev) { |
2172 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2173 | ||
2174 | switch (type) { | |
2175 | case NL80211_TX_POWER_AUTOMATIC: | |
2176 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
db82d8a9 | 2177 | txp_type = NL80211_TX_POWER_LIMITED; |
1ea6f9c0 JB |
2178 | break; |
2179 | case NL80211_TX_POWER_LIMITED: | |
2180 | case NL80211_TX_POWER_FIXED: | |
2181 | if (mbm < 0 || (mbm % 100)) | |
2182 | return -EOPNOTSUPP; | |
2183 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2184 | break; | |
2185 | } | |
2186 | ||
db82d8a9 LB |
2187 | if (txp_type != sdata->vif.bss_conf.txpower_type) { |
2188 | update_txp_type = true; | |
2189 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2190 | } | |
2191 | ||
2192 | ieee80211_recalc_txpower(sdata, update_txp_type); | |
1ea6f9c0 JB |
2193 | |
2194 | return 0; | |
2195 | } | |
55de908a | 2196 | |
7643a2c3 | 2197 | switch (type) { |
fa61cf70 | 2198 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2199 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
db82d8a9 | 2200 | txp_type = NL80211_TX_POWER_LIMITED; |
7643a2c3 | 2201 | break; |
fa61cf70 | 2202 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2203 | case NL80211_TX_POWER_FIXED: |
2204 | if (mbm < 0 || (mbm % 100)) | |
2205 | return -EOPNOTSUPP; | |
fa61cf70 | 2206 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2207 | break; |
7643a2c3 JB |
2208 | } |
2209 | ||
1ea6f9c0 | 2210 | mutex_lock(&local->iflist_mtx); |
db82d8a9 | 2211 | list_for_each_entry(sdata, &local->interfaces, list) { |
1ea6f9c0 | 2212 | sdata->user_power_level = local->user_power_level; |
db82d8a9 LB |
2213 | if (txp_type != sdata->vif.bss_conf.txpower_type) |
2214 | update_txp_type = true; | |
2215 | sdata->vif.bss_conf.txpower_type = txp_type; | |
2216 | } | |
1ea6f9c0 | 2217 | list_for_each_entry(sdata, &local->interfaces, list) |
db82d8a9 | 2218 | ieee80211_recalc_txpower(sdata, update_txp_type); |
1ea6f9c0 | 2219 | mutex_unlock(&local->iflist_mtx); |
7643a2c3 JB |
2220 | |
2221 | return 0; | |
2222 | } | |
2223 | ||
c8442118 JB |
2224 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2225 | struct wireless_dev *wdev, | |
2226 | int *dbm) | |
7643a2c3 JB |
2227 | { |
2228 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2229 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2230 | |
5b3dc42b FF |
2231 | if (local->ops->get_txpower) |
2232 | return drv_get_txpower(local, sdata, dbm); | |
2233 | ||
1ea6f9c0 JB |
2234 | if (!local->use_chanctx) |
2235 | *dbm = local->hw.conf.power_level; | |
2236 | else | |
2237 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2238 | |
7643a2c3 JB |
2239 | return 0; |
2240 | } | |
2241 | ||
ab737a4f | 2242 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2243 | const u8 *addr) |
ab737a4f JB |
2244 | { |
2245 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2246 | ||
2247 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2248 | ||
2249 | return 0; | |
2250 | } | |
2251 | ||
1f87f7d3 JB |
2252 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2253 | { | |
2254 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2255 | ||
2256 | drv_rfkill_poll(local); | |
2257 | } | |
2258 | ||
aff89a9b | 2259 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2260 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2261 | struct wireless_dev *wdev, | |
2262 | void *data, int len) | |
aff89a9b JB |
2263 | { |
2264 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2265 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2266 | |
2267 | if (!local->ops->testmode_cmd) | |
2268 | return -EOPNOTSUPP; | |
2269 | ||
52981cd7 DS |
2270 | if (wdev) { |
2271 | struct ieee80211_sub_if_data *sdata; | |
2272 | ||
2273 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2274 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2275 | vif = &sdata->vif; | |
2276 | } | |
2277 | ||
2278 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2279 | } |
71063f0e WYG |
2280 | |
2281 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2282 | struct sk_buff *skb, | |
2283 | struct netlink_callback *cb, | |
2284 | void *data, int len) | |
2285 | { | |
2286 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2287 | ||
2288 | if (!local->ops->testmode_dump) | |
2289 | return -EOPNOTSUPP; | |
2290 | ||
2291 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2292 | } | |
aff89a9b JB |
2293 | #endif |
2294 | ||
687da132 EG |
2295 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2296 | enum ieee80211_smps_mode smps_mode) | |
2297 | { | |
2298 | struct sta_info *sta; | |
2299 | enum ieee80211_smps_mode old_req; | |
687da132 EG |
2300 | |
2301 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2302 | return -EINVAL; | |
2303 | ||
2304 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2305 | return 0; | |
2306 | ||
2307 | old_req = sdata->u.ap.req_smps; | |
2308 | sdata->u.ap.req_smps = smps_mode; | |
2309 | ||
2310 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2311 | if (old_req == smps_mode || | |
2312 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2313 | return 0; | |
2314 | ||
2315 | /* If no associated stations, there's no need to do anything */ | |
2316 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2317 | sdata->smps_mode = smps_mode; | |
2318 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2319 | return 0; | |
2320 | } | |
2321 | ||
2322 | ht_dbg(sdata, | |
6a8b4adb | 2323 | "SMPS %d requested in AP mode, sending Action frame to %d stations\n", |
687da132 EG |
2324 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); |
2325 | ||
2326 | mutex_lock(&sdata->local->sta_mtx); | |
7d9bb2f0 JB |
2327 | list_for_each_entry(sta, &sdata->local->sta_list, list) { |
2328 | /* | |
2329 | * Only stations associated to our AP and | |
2330 | * associated VLANs | |
2331 | */ | |
2332 | if (sta->sdata->bss != &sdata->u.ap) | |
2333 | continue; | |
687da132 | 2334 | |
7d9bb2f0 JB |
2335 | /* This station doesn't support MIMO - skip it */ |
2336 | if (sta_info_tx_streams(sta) == 1) | |
2337 | continue; | |
687da132 | 2338 | |
7d9bb2f0 JB |
2339 | /* |
2340 | * Don't wake up a STA just to send the action frame | |
2341 | * unless we are getting more restrictive. | |
2342 | */ | |
2343 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2344 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2345 | smps_mode)) { | |
2346 | ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", | |
2347 | sta->sta.addr); | |
2348 | continue; | |
2349 | } | |
687da132 | 2350 | |
7d9bb2f0 JB |
2351 | /* |
2352 | * If the STA is not authorized, wait until it gets | |
2353 | * authorized and the action frame will be sent then. | |
2354 | */ | |
2355 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2356 | continue; | |
687da132 | 2357 | |
7d9bb2f0 JB |
2358 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); |
2359 | ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, | |
2360 | sdata->vif.bss_conf.bssid); | |
687da132 EG |
2361 | } |
2362 | mutex_unlock(&sdata->local->sta_mtx); | |
2363 | ||
2364 | sdata->smps_mode = smps_mode; | |
2365 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2366 | ||
2367 | return 0; | |
2368 | } | |
2369 | ||
2370 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2371 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2372 | { |
2373 | const u8 *ap; | |
2374 | enum ieee80211_smps_mode old_req; | |
2375 | int err; | |
d51c2ea3 AN |
2376 | struct sta_info *sta; |
2377 | bool tdls_peer_found = false; | |
0f78231b | 2378 | |
8d61ffa5 | 2379 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2380 | |
687da132 EG |
2381 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2382 | return -EINVAL; | |
2383 | ||
0f78231b JB |
2384 | old_req = sdata->u.mgd.req_smps; |
2385 | sdata->u.mgd.req_smps = smps_mode; | |
2386 | ||
2387 | if (old_req == smps_mode && | |
2388 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2389 | return 0; | |
2390 | ||
2391 | /* | |
2392 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2393 | * association, there's no need to do anything, just store |
2394 | * the new value until we associate. | |
0f78231b JB |
2395 | */ |
2396 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2397 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2398 | return 0; |
0f78231b | 2399 | |
0c1ad2ca | 2400 | ap = sdata->u.mgd.associated->bssid; |
0f78231b | 2401 | |
d51c2ea3 AN |
2402 | rcu_read_lock(); |
2403 | list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { | |
2404 | if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || | |
2405 | !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2406 | continue; | |
2407 | ||
2408 | tdls_peer_found = true; | |
2409 | break; | |
2410 | } | |
2411 | rcu_read_unlock(); | |
2412 | ||
0f78231b | 2413 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { |
d51c2ea3 | 2414 | if (tdls_peer_found || !sdata->u.mgd.powersave) |
0f78231b | 2415 | smps_mode = IEEE80211_SMPS_OFF; |
d51c2ea3 AN |
2416 | else |
2417 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
0f78231b JB |
2418 | } |
2419 | ||
2420 | /* send SM PS frame to AP */ | |
2421 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2422 | ap, ap); | |
2423 | if (err) | |
2424 | sdata->u.mgd.req_smps = old_req; | |
d51c2ea3 AN |
2425 | else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) |
2426 | ieee80211_teardown_tdls_peers(sdata); | |
0f78231b JB |
2427 | |
2428 | return err; | |
2429 | } | |
2430 | ||
bc92afd9 JB |
2431 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2432 | bool enabled, int timeout) | |
2433 | { | |
2434 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2435 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2436 | |
2d3db210 | 2437 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2438 | return -EOPNOTSUPP; |
2439 | ||
30686bf7 | 2440 | if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) |
bc92afd9 JB |
2441 | return -EOPNOTSUPP; |
2442 | ||
2443 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2444 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2445 | return 0; |
2446 | ||
2447 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2448 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2449 | |
0f78231b | 2450 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2451 | sdata_lock(sdata); |
687da132 | 2452 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2453 | sdata_unlock(sdata); |
0f78231b | 2454 | |
30686bf7 | 2455 | if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) |
bc92afd9 JB |
2456 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); |
2457 | ||
4a733ef1 | 2458 | ieee80211_recalc_ps(local); |
ab095877 | 2459 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2460 | |
2461 | return 0; | |
2462 | } | |
2463 | ||
a97c13c3 JO |
2464 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2465 | struct net_device *dev, | |
2466 | s32 rssi_thold, u32 rssi_hyst) | |
2467 | { | |
2468 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2469 | struct ieee80211_vif *vif = &sdata->vif; |
2470 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2471 | ||
a97c13c3 JO |
2472 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2473 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2474 | return 0; | |
2475 | ||
ef9be10c JB |
2476 | if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && |
2477 | !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) | |
2478 | return -EOPNOTSUPP; | |
2479 | ||
a97c13c3 JO |
2480 | bss_conf->cqm_rssi_thold = rssi_thold; |
2481 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
babc305e | 2482 | sdata->u.mgd.last_cqm_event_signal = 0; |
a97c13c3 JO |
2483 | |
2484 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2485 | if (sdata->u.mgd.associated && |
2486 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2487 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2488 | ||
2489 | return 0; | |
2490 | } | |
2491 | ||
9930380f JB |
2492 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2493 | struct net_device *dev, | |
2494 | const u8 *addr, | |
2495 | const struct cfg80211_bitrate_mask *mask) | |
2496 | { | |
2497 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2498 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2499 | int i, ret; |
2c7e6bc9 | 2500 | |
554a43d5 EP |
2501 | if (!ieee80211_sdata_running(sdata)) |
2502 | return -ENETDOWN; | |
2503 | ||
30686bf7 | 2504 | if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { |
bdbfd6b5 SM |
2505 | ret = drv_set_bitrate_mask(local, sdata, mask); |
2506 | if (ret) | |
2507 | return ret; | |
2508 | } | |
9930380f | 2509 | |
57fbcce3 | 2510 | for (i = 0; i < NUM_NL80211_BANDS; i++) { |
2ffbe6d3 FF |
2511 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2512 | int j; | |
2513 | ||
37eb0b16 | 2514 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2515 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2516 | sizeof(mask->control[i].ht_mcs)); | |
b119ad6e LB |
2517 | memcpy(sdata->rc_rateidx_vht_mcs_mask[i], |
2518 | mask->control[i].vht_mcs, | |
2519 | sizeof(mask->control[i].vht_mcs)); | |
2ffbe6d3 FF |
2520 | |
2521 | sdata->rc_has_mcs_mask[i] = false; | |
b119ad6e | 2522 | sdata->rc_has_vht_mcs_mask[i] = false; |
2ffbe6d3 FF |
2523 | if (!sband) |
2524 | continue; | |
2525 | ||
b119ad6e | 2526 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { |
2df1b131 | 2527 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { |
2ffbe6d3 | 2528 | sdata->rc_has_mcs_mask[i] = true; |
2df1b131 JB |
2529 | break; |
2530 | } | |
2531 | } | |
b119ad6e | 2532 | |
2df1b131 JB |
2533 | for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { |
2534 | if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { | |
b119ad6e | 2535 | sdata->rc_has_vht_mcs_mask[i] = true; |
2ffbe6d3 | 2536 | break; |
2df1b131 | 2537 | } |
b119ad6e | 2538 | } |
19468413 | 2539 | } |
9930380f | 2540 | |
37eb0b16 | 2541 | return 0; |
9930380f JB |
2542 | } |
2543 | ||
164eb02d SW |
2544 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2545 | struct net_device *dev, | |
31559f35 JD |
2546 | struct cfg80211_chan_def *chandef, |
2547 | u32 cac_time_ms) | |
164eb02d SW |
2548 | { |
2549 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2550 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2551 | int err; |
2552 | ||
34a3740d JB |
2553 | mutex_lock(&local->mtx); |
2554 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2555 | err = -EBUSY; | |
2556 | goto out_unlock; | |
2557 | } | |
164eb02d SW |
2558 | |
2559 | /* whatever, but channel contexts should not complain about that one */ | |
2560 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2561 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2562 | |
164eb02d SW |
2563 | err = ieee80211_vif_use_channel(sdata, chandef, |
2564 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2565 | if (err) |
34a3740d | 2566 | goto out_unlock; |
164eb02d | 2567 | |
164eb02d | 2568 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2569 | &sdata->dfs_cac_timer_work, |
2570 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2571 | |
34a3740d JB |
2572 | out_unlock: |
2573 | mutex_unlock(&local->mtx); | |
2574 | return err; | |
164eb02d SW |
2575 | } |
2576 | ||
73da7d5b SW |
2577 | static struct cfg80211_beacon_data * |
2578 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2579 | { | |
2580 | struct cfg80211_beacon_data *new_beacon; | |
2581 | u8 *pos; | |
2582 | int len; | |
2583 | ||
2584 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2585 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2586 | beacon->probe_resp_len; | |
2587 | ||
2588 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2589 | if (!new_beacon) | |
2590 | return NULL; | |
2591 | ||
2592 | pos = (u8 *)(new_beacon + 1); | |
2593 | if (beacon->head_len) { | |
2594 | new_beacon->head_len = beacon->head_len; | |
2595 | new_beacon->head = pos; | |
2596 | memcpy(pos, beacon->head, beacon->head_len); | |
2597 | pos += beacon->head_len; | |
2598 | } | |
2599 | if (beacon->tail_len) { | |
2600 | new_beacon->tail_len = beacon->tail_len; | |
2601 | new_beacon->tail = pos; | |
2602 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2603 | pos += beacon->tail_len; | |
2604 | } | |
2605 | if (beacon->beacon_ies_len) { | |
2606 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2607 | new_beacon->beacon_ies = pos; | |
2608 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2609 | pos += beacon->beacon_ies_len; | |
2610 | } | |
2611 | if (beacon->proberesp_ies_len) { | |
2612 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2613 | new_beacon->proberesp_ies = pos; | |
2614 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2615 | pos += beacon->proberesp_ies_len; | |
2616 | } | |
2617 | if (beacon->assocresp_ies_len) { | |
2618 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2619 | new_beacon->assocresp_ies = pos; | |
2620 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2621 | pos += beacon->assocresp_ies_len; | |
2622 | } | |
2623 | if (beacon->probe_resp_len) { | |
2624 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2625 | beacon->probe_resp = pos; | |
2626 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2627 | pos += beacon->probe_resp_len; | |
2628 | } | |
2629 | ||
2630 | return new_beacon; | |
2631 | } | |
2632 | ||
66e01cf9 | 2633 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2634 | { |
66e01cf9 | 2635 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2636 | |
66e01cf9 LC |
2637 | ieee80211_queue_work(&sdata->local->hw, |
2638 | &sdata->csa_finalize_work); | |
2639 | } | |
2640 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2641 | |
66199506 MK |
2642 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2643 | u32 *changed) | |
66e01cf9 | 2644 | { |
66199506 | 2645 | int err; |
7578d575 | 2646 | |
cd7760e6 SW |
2647 | switch (sdata->vif.type) { |
2648 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2649 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2650 | NULL); | |
97518af1 MK |
2651 | kfree(sdata->u.ap.next_beacon); |
2652 | sdata->u.ap.next_beacon = NULL; | |
2653 | ||
cd7760e6 | 2654 | if (err < 0) |
66199506 MK |
2655 | return err; |
2656 | *changed |= err; | |
cd7760e6 SW |
2657 | break; |
2658 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2659 | err = ieee80211_ibss_finish_csa(sdata); |
2660 | if (err < 0) | |
66199506 MK |
2661 | return err; |
2662 | *changed |= err; | |
cd7760e6 | 2663 | break; |
b8456a14 CYY |
2664 | #ifdef CONFIG_MAC80211_MESH |
2665 | case NL80211_IFTYPE_MESH_POINT: | |
2666 | err = ieee80211_mesh_finish_csa(sdata); | |
2667 | if (err < 0) | |
66199506 MK |
2668 | return err; |
2669 | *changed |= err; | |
b8456a14 CYY |
2670 | break; |
2671 | #endif | |
cd7760e6 SW |
2672 | default: |
2673 | WARN_ON(1); | |
66199506 MK |
2674 | return -EINVAL; |
2675 | } | |
2676 | ||
2677 | return 0; | |
2678 | } | |
2679 | ||
cf8767dd | 2680 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2681 | { |
2682 | struct ieee80211_local *local = sdata->local; | |
2683 | u32 changed = 0; | |
2684 | int err; | |
2685 | ||
2686 | sdata_assert_lock(sdata); | |
2687 | lockdep_assert_held(&local->mtx); | |
03078de4 | 2688 | lockdep_assert_held(&local->chanctx_mtx); |
66199506 | 2689 | |
03078de4 MK |
2690 | /* |
2691 | * using reservation isn't immediate as it may be deferred until later | |
2692 | * with multi-vif. once reservation is complete it will re-schedule the | |
2693 | * work with no reserved_chanctx so verify chandef to check if it | |
2694 | * completed successfully | |
2695 | */ | |
66199506 | 2696 | |
03078de4 MK |
2697 | if (sdata->reserved_chanctx) { |
2698 | /* | |
2699 | * with multi-vif csa driver may call ieee80211_csa_finish() | |
2700 | * many times while waiting for other interfaces to use their | |
2701 | * reservations | |
2702 | */ | |
2703 | if (sdata->reserved_ready) | |
2704 | return 0; | |
2705 | ||
408b18ab | 2706 | return ieee80211_vif_use_reserved_context(sdata); |
cd7760e6 | 2707 | } |
73da7d5b | 2708 | |
03078de4 MK |
2709 | if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, |
2710 | &sdata->csa_chandef)) | |
2711 | return -EINVAL; | |
2712 | ||
66199506 MK |
2713 | sdata->vif.csa_active = false; |
2714 | ||
2715 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2716 | if (err) | |
cf8767dd | 2717 | return err; |
faf046e7 | 2718 | |
66199506 | 2719 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 | 2720 | |
a46992b4 LC |
2721 | if (sdata->csa_block_tx) { |
2722 | ieee80211_wake_vif_queues(local, sdata, | |
2723 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
2724 | sdata->csa_block_tx = false; | |
2725 | } | |
cf8767dd | 2726 | |
f1d65583 LC |
2727 | err = drv_post_channel_switch(sdata); |
2728 | if (err) | |
2729 | return err; | |
2730 | ||
2731 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); | |
2732 | ||
cf8767dd MK |
2733 | return 0; |
2734 | } | |
2735 | ||
2736 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
2737 | { | |
2738 | if (__ieee80211_csa_finalize(sdata)) { | |
2739 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
2740 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
2741 | GFP_KERNEL); | |
2742 | } | |
66e01cf9 LC |
2743 | } |
2744 | ||
2745 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2746 | { | |
2747 | struct ieee80211_sub_if_data *sdata = | |
2748 | container_of(work, struct ieee80211_sub_if_data, | |
2749 | csa_finalize_work); | |
59af6928 | 2750 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
2751 | |
2752 | sdata_lock(sdata); | |
59af6928 | 2753 | mutex_lock(&local->mtx); |
03078de4 | 2754 | mutex_lock(&local->chanctx_mtx); |
59af6928 | 2755 | |
66e01cf9 LC |
2756 | /* AP might have been stopped while waiting for the lock. */ |
2757 | if (!sdata->vif.csa_active) | |
2758 | goto unlock; | |
2759 | ||
2760 | if (!ieee80211_sdata_running(sdata)) | |
2761 | goto unlock; | |
2762 | ||
2763 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
2764 | |
2765 | unlock: | |
03078de4 | 2766 | mutex_unlock(&local->chanctx_mtx); |
59af6928 | 2767 | mutex_unlock(&local->mtx); |
e487eaeb | 2768 | sdata_unlock(sdata); |
73da7d5b SW |
2769 | } |
2770 | ||
37fa2bdd MK |
2771 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2772 | struct cfg80211_csa_settings *params, | |
2773 | u32 *changed) | |
73da7d5b | 2774 | { |
af296bdb | 2775 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 2776 | int err; |
73da7d5b | 2777 | |
73da7d5b SW |
2778 | switch (sdata->vif.type) { |
2779 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
2780 | sdata->u.ap.next_beacon = |
2781 | cfg80211_beacon_dup(¶ms->beacon_after); | |
2782 | if (!sdata->u.ap.next_beacon) | |
2783 | return -ENOMEM; | |
2784 | ||
66e01cf9 LC |
2785 | /* |
2786 | * With a count of 0, we don't have to wait for any | |
2787 | * TBTT before switching, so complete the CSA | |
2788 | * immediately. In theory, with a count == 1 we | |
2789 | * should delay the switch until just before the next | |
2790 | * TBTT, but that would complicate things so we switch | |
2791 | * immediately too. If we would delay the switch | |
2792 | * until the next TBTT, we would have to set the probe | |
2793 | * response here. | |
2794 | * | |
2795 | * TODO: A channel switch with count <= 1 without | |
2796 | * sending a CSA action frame is kind of useless, | |
2797 | * because the clients won't know we're changing | |
2798 | * channels. The action frame must be implemented | |
2799 | * either here or in the userspace. | |
2800 | */ | |
2801 | if (params->count <= 1) | |
2802 | break; | |
2803 | ||
0d06d9ba AO |
2804 | if ((params->n_counter_offsets_beacon > |
2805 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
2806 | (params->n_counter_offsets_presp > | |
2807 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
2808 | return -EINVAL; | |
9a774c78 | 2809 | |
af296bdb MK |
2810 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
2811 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
2812 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
2813 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
2814 | csa.count = params->count; | |
9a774c78 | 2815 | |
af296bdb | 2816 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
2817 | if (err < 0) { |
2818 | kfree(sdata->u.ap.next_beacon); | |
2819 | return err; | |
2820 | } | |
37fa2bdd | 2821 | *changed |= err; |
66e01cf9 | 2822 | |
cd7760e6 SW |
2823 | break; |
2824 | case NL80211_IFTYPE_ADHOC: | |
2825 | if (!sdata->vif.bss_conf.ibss_joined) | |
2826 | return -EINVAL; | |
2827 | ||
2828 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
2829 | return -EINVAL; | |
2830 | ||
2831 | switch (params->chandef.width) { | |
2832 | case NL80211_CHAN_WIDTH_40: | |
2833 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
2834 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
2835 | return -EINVAL; | |
2836 | case NL80211_CHAN_WIDTH_5: | |
2837 | case NL80211_CHAN_WIDTH_10: | |
2838 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2839 | case NL80211_CHAN_WIDTH_20: | |
2840 | break; | |
2841 | default: | |
2842 | return -EINVAL; | |
2843 | } | |
2844 | ||
2845 | /* changes into another band are not supported */ | |
2846 | if (sdata->u.ibss.chandef.chan->band != | |
2847 | params->chandef.chan->band) | |
2848 | return -EINVAL; | |
2849 | ||
66e01cf9 LC |
2850 | /* see comments in the NL80211_IFTYPE_AP block */ |
2851 | if (params->count > 1) { | |
2852 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
2853 | if (err < 0) | |
2854 | return err; | |
37fa2bdd | 2855 | *changed |= err; |
66e01cf9 LC |
2856 | } |
2857 | ||
2858 | ieee80211_send_action_csa(sdata, params); | |
2859 | ||
73da7d5b | 2860 | break; |
c6da674a | 2861 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
2862 | case NL80211_IFTYPE_MESH_POINT: { |
2863 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 2864 | |
c6da674a CYY |
2865 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
2866 | return -EINVAL; | |
2867 | ||
2868 | /* changes into another band are not supported */ | |
2869 | if (sdata->vif.bss_conf.chandef.chan->band != | |
2870 | params->chandef.chan->band) | |
2871 | return -EINVAL; | |
2872 | ||
c782bf8c | 2873 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 2874 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
2875 | if (!ifmsh->pre_value) |
2876 | ifmsh->pre_value = 1; | |
2877 | else | |
2878 | ifmsh->pre_value++; | |
2879 | } | |
0cb4d4dc | 2880 | |
66e01cf9 LC |
2881 | /* see comments in the NL80211_IFTYPE_AP block */ |
2882 | if (params->count > 1) { | |
2883 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
2884 | if (err < 0) { | |
2885 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
2886 | return err; | |
2887 | } | |
37fa2bdd | 2888 | *changed |= err; |
3f718fd8 | 2889 | } |
66e01cf9 LC |
2890 | |
2891 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
2892 | ieee80211_send_action_csa(sdata, params); | |
2893 | ||
c6da674a | 2894 | break; |
37fa2bdd | 2895 | } |
c6da674a | 2896 | #endif |
73da7d5b SW |
2897 | default: |
2898 | return -EOPNOTSUPP; | |
2899 | } | |
2900 | ||
37fa2bdd MK |
2901 | return 0; |
2902 | } | |
2903 | ||
f29f58a9 LC |
2904 | static int |
2905 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
2906 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
2907 | { |
2908 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2909 | struct ieee80211_local *local = sdata->local; | |
6d027bcc | 2910 | struct ieee80211_channel_switch ch_switch; |
2b32713d | 2911 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd | 2912 | struct ieee80211_chanctx *chanctx; |
b08cc24e JB |
2913 | u32 changed = 0; |
2914 | int err; | |
37fa2bdd MK |
2915 | |
2916 | sdata_assert_lock(sdata); | |
59af6928 | 2917 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
2918 | |
2919 | if (!list_empty(&local->roc_list) || local->scanning) | |
2920 | return -EBUSY; | |
2921 | ||
2922 | if (sdata->wdev.cac_started) | |
2923 | return -EBUSY; | |
2924 | ||
2925 | if (cfg80211_chandef_identical(¶ms->chandef, | |
2926 | &sdata->vif.bss_conf.chandef)) | |
2927 | return -EINVAL; | |
2928 | ||
03078de4 MK |
2929 | /* don't allow another channel switch if one is already active. */ |
2930 | if (sdata->vif.csa_active) | |
2931 | return -EBUSY; | |
2932 | ||
2b32713d MK |
2933 | mutex_lock(&local->chanctx_mtx); |
2934 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
2935 | lockdep_is_held(&local->chanctx_mtx)); | |
2936 | if (!conf) { | |
03078de4 MK |
2937 | err = -EBUSY; |
2938 | goto out; | |
37fa2bdd MK |
2939 | } |
2940 | ||
2b32713d | 2941 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
03078de4 MK |
2942 | if (!chanctx) { |
2943 | err = -EBUSY; | |
2944 | goto out; | |
37fa2bdd | 2945 | } |
37fa2bdd | 2946 | |
000baa5d LC |
2947 | ch_switch.timestamp = 0; |
2948 | ch_switch.device_timestamp = 0; | |
2949 | ch_switch.block_tx = params->block_tx; | |
2950 | ch_switch.chandef = params->chandef; | |
2951 | ch_switch.count = params->count; | |
2952 | ||
6d027bcc LC |
2953 | err = drv_pre_channel_switch(sdata, &ch_switch); |
2954 | if (err) | |
2955 | goto out; | |
2956 | ||
03078de4 MK |
2957 | err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, |
2958 | chanctx->mode, | |
2959 | params->radar_required); | |
2960 | if (err) | |
2961 | goto out; | |
37fa2bdd | 2962 | |
03078de4 MK |
2963 | /* if reservation is invalid then this will fail */ |
2964 | err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); | |
2965 | if (err) { | |
2966 | ieee80211_vif_unreserve_chanctx(sdata); | |
2967 | goto out; | |
2968 | } | |
37fa2bdd MK |
2969 | |
2970 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
03078de4 MK |
2971 | if (err) { |
2972 | ieee80211_vif_unreserve_chanctx(sdata); | |
2973 | goto out; | |
2974 | } | |
37fa2bdd | 2975 | |
33787fc4 | 2976 | sdata->csa_chandef = params->chandef; |
59af6928 | 2977 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
2978 | sdata->vif.csa_active = true; |
2979 | ||
59af6928 | 2980 | if (sdata->csa_block_tx) |
a46992b4 LC |
2981 | ieee80211_stop_vif_queues(local, sdata, |
2982 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 2983 | |
2f457293 LC |
2984 | cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, |
2985 | params->count); | |
2986 | ||
66e01cf9 LC |
2987 | if (changed) { |
2988 | ieee80211_bss_info_change_notify(sdata, changed); | |
2989 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
2990 | } else { | |
2991 | /* if the beacon didn't change, we can finalize immediately */ | |
2992 | ieee80211_csa_finalize(sdata); | |
2993 | } | |
73da7d5b | 2994 | |
03078de4 MK |
2995 | out: |
2996 | mutex_unlock(&local->chanctx_mtx); | |
2997 | return err; | |
73da7d5b SW |
2998 | } |
2999 | ||
59af6928 MK |
3000 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3001 | struct cfg80211_csa_settings *params) | |
3002 | { | |
3003 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3004 | struct ieee80211_local *local = sdata->local; | |
3005 | int err; | |
3006 | ||
3007 | mutex_lock(&local->mtx); | |
3008 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3009 | mutex_unlock(&local->mtx); | |
3010 | ||
3011 | return err; | |
3012 | } | |
3013 | ||
a2fcfccb JB |
3014 | u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) |
3015 | { | |
3016 | lockdep_assert_held(&local->mtx); | |
3017 | ||
3018 | local->roc_cookie_counter++; | |
3019 | ||
3020 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
3021 | if (WARN_ON(local->roc_cookie_counter == 0)) | |
3022 | local->roc_cookie_counter++; | |
3023 | ||
3024 | return local->roc_cookie_counter; | |
3025 | } | |
3026 | ||
5ee00dbd JB |
3027 | int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, |
3028 | u64 *cookie, gfp_t gfp) | |
3b79af97 JB |
3029 | { |
3030 | unsigned long spin_flags; | |
3031 | struct sk_buff *ack_skb; | |
3032 | int id; | |
3033 | ||
3034 | ack_skb = skb_copy(skb, gfp); | |
3035 | if (!ack_skb) | |
5ee00dbd | 3036 | return -ENOMEM; |
3b79af97 JB |
3037 | |
3038 | spin_lock_irqsave(&local->ack_status_lock, spin_flags); | |
3039 | id = idr_alloc(&local->ack_status_frames, ack_skb, | |
3040 | 1, 0x10000, GFP_ATOMIC); | |
3041 | spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); | |
3042 | ||
3043 | if (id < 0) { | |
3044 | kfree_skb(ack_skb); | |
5ee00dbd | 3045 | return -ENOMEM; |
3b79af97 JB |
3046 | } |
3047 | ||
3048 | IEEE80211_SKB_CB(skb)->ack_frame_id = id; | |
3049 | ||
3050 | *cookie = ieee80211_mgmt_tx_cookie(local); | |
3051 | IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; | |
3052 | ||
5ee00dbd | 3053 | return 0; |
3b79af97 JB |
3054 | } |
3055 | ||
7be5086d | 3056 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3057 | struct wireless_dev *wdev, |
7be5086d JB |
3058 | u16 frame_type, bool reg) |
3059 | { | |
3060 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1b09b556 | 3061 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 3062 | |
6abe0563 | 3063 | switch (frame_type) { |
6abe0563 | 3064 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
1b09b556 | 3065 | if (reg) { |
6abe0563 | 3066 | local->probe_req_reg++; |
1b09b556 AO |
3067 | sdata->vif.probe_req_reg++; |
3068 | } else { | |
3069 | if (local->probe_req_reg) | |
3070 | local->probe_req_reg--; | |
3071 | ||
3072 | if (sdata->vif.probe_req_reg) | |
3073 | sdata->vif.probe_req_reg--; | |
3074 | } | |
7be5086d | 3075 | |
35f5149e FF |
3076 | if (!local->open_count) |
3077 | break; | |
3078 | ||
1b09b556 AO |
3079 | if (sdata->vif.probe_req_reg == 1) |
3080 | drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, | |
3081 | FIF_PROBE_REQ); | |
3082 | else if (sdata->vif.probe_req_reg == 0) | |
3083 | drv_config_iface_filter(local, sdata, 0, | |
3084 | FIF_PROBE_REQ); | |
3085 | ||
3086 | ieee80211_configure_filter(local); | |
6abe0563 WH |
3087 | break; |
3088 | default: | |
3089 | break; | |
3090 | } | |
7be5086d JB |
3091 | } |
3092 | ||
15d96753 BR |
3093 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3094 | { | |
3095 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3096 | ||
3097 | if (local->started) | |
3098 | return -EOPNOTSUPP; | |
3099 | ||
3100 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3101 | } | |
3102 | ||
3103 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3104 | { | |
3105 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3106 | ||
3107 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3108 | } | |
3109 | ||
c68f4b89 JB |
3110 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3111 | struct net_device *dev, | |
3112 | struct cfg80211_gtk_rekey_data *data) | |
3113 | { | |
3114 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3115 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3116 | ||
3117 | if (!local->ops->set_rekey_data) | |
3118 | return -EOPNOTSUPP; | |
3119 | ||
3120 | drv_set_rekey_data(local, sdata, data); | |
3121 | ||
3122 | return 0; | |
3123 | } | |
3124 | ||
06500736 JB |
3125 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3126 | const u8 *peer, u64 *cookie) | |
3127 | { | |
3128 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3129 | struct ieee80211_local *local = sdata->local; | |
3130 | struct ieee80211_qos_hdr *nullfunc; | |
5ee00dbd | 3131 | struct sk_buff *skb; |
06500736 JB |
3132 | int size = sizeof(*nullfunc); |
3133 | __le16 fc; | |
3134 | bool qos; | |
3135 | struct ieee80211_tx_info *info; | |
3136 | struct sta_info *sta; | |
55de908a | 3137 | struct ieee80211_chanctx_conf *chanctx_conf; |
57fbcce3 | 3138 | enum nl80211_band band; |
3b79af97 JB |
3139 | int ret; |
3140 | ||
3141 | /* the lock is needed to assign the cookie later */ | |
3142 | mutex_lock(&local->mtx); | |
06500736 JB |
3143 | |
3144 | rcu_read_lock(); | |
55de908a JB |
3145 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3146 | if (WARN_ON(!chanctx_conf)) { | |
3b79af97 JB |
3147 | ret = -EINVAL; |
3148 | goto unlock; | |
55de908a | 3149 | } |
4bf88530 | 3150 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3151 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3152 | if (sta) { |
a74a8c84 | 3153 | qos = sta->sta.wme; |
b4487c2d | 3154 | } else { |
3b79af97 JB |
3155 | ret = -ENOLINK; |
3156 | goto unlock; | |
b4487c2d | 3157 | } |
06500736 JB |
3158 | |
3159 | if (qos) { | |
3160 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3161 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3162 | IEEE80211_FCTL_FROMDS); | |
3163 | } else { | |
3164 | size -= 2; | |
3165 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3166 | IEEE80211_STYPE_NULLFUNC | | |
3167 | IEEE80211_FCTL_FROMDS); | |
3168 | } | |
3169 | ||
3170 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a | 3171 | if (!skb) { |
3b79af97 JB |
3172 | ret = -ENOMEM; |
3173 | goto unlock; | |
55de908a | 3174 | } |
06500736 JB |
3175 | |
3176 | skb->dev = dev; | |
3177 | ||
3178 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3179 | ||
3180 | nullfunc = (void *) skb_put(skb, size); | |
3181 | nullfunc->frame_control = fc; | |
3182 | nullfunc->duration_id = 0; | |
3183 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3184 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3185 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3186 | nullfunc->seq_ctrl = 0; | |
3187 | ||
3188 | info = IEEE80211_SKB_CB(skb); | |
3189 | ||
3190 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3191 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
73c4e195 | 3192 | info->band = band; |
06500736 JB |
3193 | |
3194 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3195 | skb->priority = 7; | |
3196 | if (qos) | |
3197 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3198 | ||
5ee00dbd JB |
3199 | ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); |
3200 | if (ret) { | |
3b79af97 | 3201 | kfree_skb(skb); |
3b79af97 JB |
3202 | goto unlock; |
3203 | } | |
3204 | ||
06500736 | 3205 | local_bh_disable(); |
7c10770f | 3206 | ieee80211_xmit(sdata, sta, skb); |
06500736 | 3207 | local_bh_enable(); |
3b79af97 JB |
3208 | |
3209 | ret = 0; | |
3210 | unlock: | |
55de908a | 3211 | rcu_read_unlock(); |
3b79af97 | 3212 | mutex_unlock(&local->mtx); |
06500736 | 3213 | |
3b79af97 | 3214 | return ret; |
06500736 JB |
3215 | } |
3216 | ||
683b6d3b JB |
3217 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3218 | struct wireless_dev *wdev, | |
3219 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3220 | { |
55de908a | 3221 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3222 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3223 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3224 | int ret = -ENODATA; |
55de908a JB |
3225 | |
3226 | rcu_read_lock(); | |
feda3027 JB |
3227 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3228 | if (chanctx_conf) { | |
c12bc488 | 3229 | *chandef = sdata->vif.bss_conf.chandef; |
feda3027 JB |
3230 | ret = 0; |
3231 | } else if (local->open_count > 0 && | |
3232 | local->open_count == local->monitors && | |
3233 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3234 | if (local->use_chanctx) | |
3235 | *chandef = local->monitor_chandef; | |
3236 | else | |
675a0b04 | 3237 | *chandef = local->_oper_chandef; |
683b6d3b | 3238 | ret = 0; |
55de908a JB |
3239 | } |
3240 | rcu_read_unlock(); | |
5b7ccaf3 | 3241 | |
683b6d3b | 3242 | return ret; |
5b7ccaf3 JB |
3243 | } |
3244 | ||
6d52563f JB |
3245 | #ifdef CONFIG_PM |
3246 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3247 | { | |
3248 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3249 | } | |
3250 | #endif | |
3251 | ||
32db6b54 KP |
3252 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3253 | struct net_device *dev, | |
3254 | struct cfg80211_qos_map *qos_map) | |
3255 | { | |
3256 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3257 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3258 | ||
3259 | if (qos_map) { | |
3260 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3261 | if (!new_qos_map) | |
3262 | return -ENOMEM; | |
3263 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3264 | } else { | |
3265 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3266 | new_qos_map = NULL; | |
3267 | } | |
3268 | ||
194ff52d | 3269 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3270 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3271 | if (old_qos_map) | |
3272 | kfree_rcu(old_qos_map, rcu_head); | |
3273 | ||
3274 | return 0; | |
3275 | } | |
3276 | ||
3b1700bd JM |
3277 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3278 | struct net_device *dev, | |
3279 | struct cfg80211_chan_def *chandef) | |
3280 | { | |
3281 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3282 | int ret; | |
3283 | u32 changed = 0; | |
3284 | ||
3285 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3286 | if (ret == 0) | |
3287 | ieee80211_bss_info_change_notify(sdata, changed); | |
3288 | ||
3289 | return ret; | |
3290 | } | |
3291 | ||
02219b3a JB |
3292 | static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, |
3293 | u8 tsid, const u8 *peer, u8 up, | |
3294 | u16 admitted_time) | |
3295 | { | |
3296 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3297 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3298 | int ac = ieee802_1d_to_ac[up]; | |
3299 | ||
3300 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3301 | return -EOPNOTSUPP; | |
3302 | ||
3303 | if (!(sdata->wmm_acm & BIT(up))) | |
3304 | return -EINVAL; | |
3305 | ||
3306 | if (ifmgd->tx_tspec[ac].admitted_time) | |
3307 | return -EBUSY; | |
3308 | ||
3309 | if (admitted_time) { | |
3310 | ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; | |
3311 | ifmgd->tx_tspec[ac].tsid = tsid; | |
3312 | ifmgd->tx_tspec[ac].up = up; | |
3313 | } | |
3314 | ||
3315 | return 0; | |
3316 | } | |
3317 | ||
3318 | static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, | |
3319 | u8 tsid, const u8 *peer) | |
3320 | { | |
3321 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3322 | struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; | |
3323 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3324 | int ac; | |
3325 | ||
3326 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
3327 | struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; | |
3328 | ||
3329 | /* skip unused entries */ | |
3330 | if (!tx_tspec->admitted_time) | |
3331 | continue; | |
3332 | ||
3333 | if (tx_tspec->tsid != tsid) | |
3334 | continue; | |
3335 | ||
3336 | /* due to this new packets will be reassigned to non-ACM ACs */ | |
3337 | tx_tspec->up = -1; | |
3338 | ||
3339 | /* Make sure that all packets have been sent to avoid to | |
3340 | * restore the QoS params on packets that are still on the | |
3341 | * queues. | |
3342 | */ | |
3343 | synchronize_net(); | |
3b24f4c6 | 3344 | ieee80211_flush_queues(local, sdata, false); |
02219b3a JB |
3345 | |
3346 | /* restore the normal QoS parameters | |
3347 | * (unconditionally to avoid races) | |
3348 | */ | |
3349 | tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; | |
3350 | tx_tspec->downgraded = false; | |
3351 | ieee80211_sta_handle_tspec_ac_params(sdata); | |
3352 | ||
3353 | /* finally clear all the data */ | |
3354 | memset(tx_tspec, 0, sizeof(*tx_tspec)); | |
3355 | ||
3356 | return 0; | |
3357 | } | |
3358 | ||
3359 | return -ENOENT; | |
3360 | } | |
3361 | ||
8a47cea7 | 3362 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3363 | .add_virtual_intf = ieee80211_add_iface, |
3364 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3365 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3366 | .start_p2p_device = ieee80211_start_p2p_device, |
3367 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3368 | .add_key = ieee80211_add_key, |
3369 | .del_key = ieee80211_del_key, | |
62da92fb | 3370 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3371 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3372 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3373 | .start_ap = ieee80211_start_ap, |
3374 | .change_beacon = ieee80211_change_beacon, | |
3375 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3376 | .add_station = ieee80211_add_station, |
3377 | .del_station = ieee80211_del_station, | |
3378 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3379 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3380 | .dump_station = ieee80211_dump_station, |
1289723e | 3381 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3382 | #ifdef CONFIG_MAC80211_MESH |
3383 | .add_mpath = ieee80211_add_mpath, | |
3384 | .del_mpath = ieee80211_del_mpath, | |
3385 | .change_mpath = ieee80211_change_mpath, | |
3386 | .get_mpath = ieee80211_get_mpath, | |
3387 | .dump_mpath = ieee80211_dump_mpath, | |
a2db2ed3 HR |
3388 | .get_mpp = ieee80211_get_mpp, |
3389 | .dump_mpp = ieee80211_dump_mpp, | |
24bdd9f4 JC |
3390 | .update_mesh_config = ieee80211_update_mesh_config, |
3391 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3392 | .join_mesh = ieee80211_join_mesh, |
3393 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3394 | #endif |
239281f8 RL |
3395 | .join_ocb = ieee80211_join_ocb, |
3396 | .leave_ocb = ieee80211_leave_ocb, | |
9f1ba906 | 3397 | .change_bss = ieee80211_change_bss, |
31888487 | 3398 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3399 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3400 | .suspend = ieee80211_suspend, |
3401 | .resume = ieee80211_resume, | |
2a519311 | 3402 | .scan = ieee80211_scan, |
91f123f2 | 3403 | .abort_scan = ieee80211_abort_scan, |
79f460ca LC |
3404 | .sched_scan_start = ieee80211_sched_scan_start, |
3405 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3406 | .auth = ieee80211_auth, |
3407 | .assoc = ieee80211_assoc, | |
3408 | .deauth = ieee80211_deauth, | |
3409 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3410 | .join_ibss = ieee80211_join_ibss, |
3411 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3412 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3413 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3414 | .set_tx_power = ieee80211_set_tx_power, |
3415 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3416 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3417 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3418 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3419 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3420 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3421 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3422 | .remain_on_channel = ieee80211_remain_on_channel, |
3423 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3424 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3425 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3426 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3427 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3428 | .set_antenna = ieee80211_set_antenna, |
3429 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3430 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3431 | .tdls_oper = ieee80211_tdls_oper, |
3432 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
a7a6bdd0 AN |
3433 | .tdls_channel_switch = ieee80211_tdls_channel_switch, |
3434 | .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, | |
06500736 | 3435 | .probe_client = ieee80211_probe_client, |
b53be792 | 3436 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3437 | #ifdef CONFIG_PM |
3438 | .set_wakeup = ieee80211_set_wakeup, | |
3439 | #endif | |
5b7ccaf3 | 3440 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3441 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3442 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3443 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3444 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
02219b3a JB |
3445 | .add_tx_ts = ieee80211_add_tx_ts, |
3446 | .del_tx_ts = ieee80211_del_tx_ts, | |
f0706e82 | 3447 | }; |