Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
dfe018bf | 15 | #include <linux/if_ether.h> |
f0706e82 JB |
16 | #include <net/cfg80211.h> |
17 | #include "ieee80211_i.h" | |
24487981 | 18 | #include "driver-ops.h" |
e0eb6859 | 19 | #include "cfg.h" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
c5dd9c2b | 22 | |
552bff0c JB |
23 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
24 | const char *name, | |
84efbb84 JB |
25 | enum nl80211_iftype type, |
26 | u32 *flags, | |
27 | struct vif_params *params) | |
f0706e82 JB |
28 | { |
29 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 30 | struct wireless_dev *wdev; |
8cc9a739 MW |
31 | struct ieee80211_sub_if_data *sdata; |
32 | int err; | |
f0706e82 | 33 | |
84efbb84 | 34 | err = ieee80211_if_add(local, name, &wdev, type, params); |
f9e10ce4 JB |
35 | if (err) |
36 | return ERR_PTR(err); | |
8cc9a739 | 37 | |
f9e10ce4 | 38 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 39 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
40 | sdata->u.mntr_flags = *flags; |
41 | } | |
42 | ||
84efbb84 | 43 | return wdev; |
f0706e82 JB |
44 | } |
45 | ||
84efbb84 | 46 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 47 | { |
84efbb84 | 48 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 49 | |
75636525 | 50 | return 0; |
f0706e82 JB |
51 | } |
52 | ||
e36d56b6 JB |
53 | static int ieee80211_change_iface(struct wiphy *wiphy, |
54 | struct net_device *dev, | |
2ec600d6 LCC |
55 | enum nl80211_iftype type, u32 *flags, |
56 | struct vif_params *params) | |
42613db7 | 57 | { |
9607e6b6 | 58 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 59 | int ret; |
42613db7 | 60 | |
05c914fe | 61 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
62 | if (ret) |
63 | return ret; | |
42613db7 | 64 | |
9bc383de JB |
65 | if (type == NL80211_IFTYPE_AP_VLAN && |
66 | params && params->use_4addr == 0) | |
a9b3cd7f | 67 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
68 | else if (type == NL80211_IFTYPE_STATION && |
69 | params && params->use_4addr >= 0) | |
70 | sdata->u.mgd.use_4addr = params->use_4addr; | |
71 | ||
85416a4f CL |
72 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
73 | struct ieee80211_local *local = sdata->local; | |
74 | ||
75 | if (ieee80211_sdata_running(sdata)) { | |
76 | /* | |
77 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
78 | * changed while the interface is up. | |
79 | * Else we would need to add a lot of cruft | |
80 | * to update everything: | |
81 | * cooked_mntrs, monitor and all fif_* counters | |
82 | * reconfigure hardware | |
83 | */ | |
84 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
85 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
86 | return -EBUSY; | |
87 | ||
88 | ieee80211_adjust_monitor_flags(sdata, -1); | |
89 | sdata->u.mntr_flags = *flags; | |
90 | ieee80211_adjust_monitor_flags(sdata, 1); | |
91 | ||
92 | ieee80211_configure_filter(local); | |
93 | } else { | |
94 | /* | |
95 | * Because the interface is down, ieee80211_do_stop | |
96 | * and ieee80211_do_open take care of "everything" | |
97 | * mentioned in the comment above. | |
98 | */ | |
99 | sdata->u.mntr_flags = *flags; | |
100 | } | |
101 | } | |
f7917af9 | 102 | |
42613db7 JB |
103 | return 0; |
104 | } | |
105 | ||
f142c6b9 JB |
106 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
107 | struct wireless_dev *wdev) | |
108 | { | |
109 | return ieee80211_do_open(wdev, true); | |
110 | } | |
111 | ||
112 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
113 | struct wireless_dev *wdev) | |
114 | { | |
115 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
116 | } | |
117 | ||
b53be792 SW |
118 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
119 | struct net_device *dev, | |
120 | u16 noack_map) | |
121 | { | |
122 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
123 | ||
124 | sdata->noack_map = noack_map; | |
125 | return 0; | |
126 | } | |
127 | ||
e8cbb4cb | 128 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 129 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
130 | struct key_params *params) |
131 | { | |
26a58456 | 132 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 133 | struct sta_info *sta = NULL; |
db4d1169 | 134 | struct ieee80211_key *key; |
3b96766f | 135 | int err; |
e8cbb4cb | 136 | |
26a58456 | 137 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
138 | return -ENETDOWN; |
139 | ||
97359d12 | 140 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
141 | switch (params->cipher) { |
142 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 143 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
144 | case WLAN_CIPHER_SUITE_WEP104: |
145 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
146 | return -EINVAL; | |
3cfcf6ac | 147 | break; |
e8cbb4cb | 148 | default: |
97359d12 | 149 | break; |
e8cbb4cb JB |
150 | } |
151 | ||
97359d12 JB |
152 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
153 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
154 | if (IS_ERR(key)) |
155 | return PTR_ERR(key); | |
db4d1169 | 156 | |
e31b8213 JB |
157 | if (pairwise) |
158 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
159 | ||
ad0e2b5a | 160 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 161 | |
e8cbb4cb | 162 | if (mac_addr) { |
ff973af7 TP |
163 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
164 | sta = sta_info_get(sdata, mac_addr); | |
165 | else | |
166 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
167 | /* |
168 | * The ASSOC test makes sure the driver is ready to | |
169 | * receive the key. When wpa_supplicant has roamed | |
170 | * using FT, it attempts to set the key before | |
171 | * association has completed, this rejects that attempt | |
172 | * so it will set the key again after assocation. | |
173 | * | |
174 | * TODO: accept the key if we have a station entry and | |
175 | * add it to the device after the station. | |
176 | */ | |
177 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
32162a4d | 178 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
179 | err = -ENOENT; |
180 | goto out_unlock; | |
db4d1169 | 181 | } |
e8cbb4cb JB |
182 | } |
183 | ||
e548c49e JB |
184 | switch (sdata->vif.type) { |
185 | case NL80211_IFTYPE_STATION: | |
186 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
187 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
188 | break; | |
189 | case NL80211_IFTYPE_AP: | |
190 | case NL80211_IFTYPE_AP_VLAN: | |
191 | /* Keys without a station are used for TX only */ | |
192 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
193 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
194 | break; | |
195 | case NL80211_IFTYPE_ADHOC: | |
196 | /* no MFP (yet) */ | |
197 | break; | |
198 | case NL80211_IFTYPE_MESH_POINT: | |
199 | #ifdef CONFIG_MAC80211_MESH | |
200 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
201 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
202 | break; | |
203 | #endif | |
204 | case NL80211_IFTYPE_WDS: | |
205 | case NL80211_IFTYPE_MONITOR: | |
206 | case NL80211_IFTYPE_P2P_DEVICE: | |
207 | case NL80211_IFTYPE_UNSPECIFIED: | |
208 | case NUM_NL80211_IFTYPES: | |
209 | case NL80211_IFTYPE_P2P_CLIENT: | |
210 | case NL80211_IFTYPE_P2P_GO: | |
211 | /* shouldn't happen */ | |
212 | WARN_ON_ONCE(1); | |
213 | break; | |
214 | } | |
215 | ||
3ffc2a90 JB |
216 | err = ieee80211_key_link(key, sdata, sta); |
217 | if (err) | |
218 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 219 | |
3b96766f | 220 | out_unlock: |
ad0e2b5a | 221 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
222 | |
223 | return err; | |
e8cbb4cb JB |
224 | } |
225 | ||
226 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 227 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 228 | { |
5c0c3641 JB |
229 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
230 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 231 | struct sta_info *sta; |
5c0c3641 | 232 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
233 | int ret; |
234 | ||
5c0c3641 JB |
235 | mutex_lock(&local->sta_mtx); |
236 | mutex_lock(&local->key_mtx); | |
3b96766f | 237 | |
e8cbb4cb | 238 | if (mac_addr) { |
3b96766f JB |
239 | ret = -ENOENT; |
240 | ||
0e5ded5a | 241 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 242 | if (!sta) |
3b96766f | 243 | goto out_unlock; |
e8cbb4cb | 244 | |
5c0c3641 | 245 | if (pairwise) |
40b275b6 | 246 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 247 | else |
40b275b6 | 248 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 249 | } else |
40b275b6 | 250 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 251 | |
5c0c3641 | 252 | if (!key) { |
3b96766f JB |
253 | ret = -ENOENT; |
254 | goto out_unlock; | |
255 | } | |
e8cbb4cb | 256 | |
5c0c3641 | 257 | __ieee80211_key_free(key); |
e8cbb4cb | 258 | |
3b96766f JB |
259 | ret = 0; |
260 | out_unlock: | |
5c0c3641 JB |
261 | mutex_unlock(&local->key_mtx); |
262 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
263 | |
264 | return ret; | |
e8cbb4cb JB |
265 | } |
266 | ||
62da92fb | 267 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
268 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
269 | void *cookie, | |
62da92fb JB |
270 | void (*callback)(void *cookie, |
271 | struct key_params *params)) | |
272 | { | |
14db74bc | 273 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
274 | struct sta_info *sta = NULL; |
275 | u8 seq[6] = {0}; | |
276 | struct key_params params; | |
e31b8213 | 277 | struct ieee80211_key *key = NULL; |
aba83a0b | 278 | u64 pn64; |
62da92fb JB |
279 | u32 iv32; |
280 | u16 iv16; | |
281 | int err = -ENOENT; | |
282 | ||
14db74bc JB |
283 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
284 | ||
3b96766f JB |
285 | rcu_read_lock(); |
286 | ||
62da92fb | 287 | if (mac_addr) { |
0e5ded5a | 288 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
289 | if (!sta) |
290 | goto out; | |
291 | ||
e31b8213 | 292 | if (pairwise) |
a3836e02 | 293 | key = rcu_dereference(sta->ptk); |
e31b8213 | 294 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 295 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 296 | } else |
a3836e02 | 297 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
298 | |
299 | if (!key) | |
300 | goto out; | |
301 | ||
302 | memset(¶ms, 0, sizeof(params)); | |
303 | ||
97359d12 | 304 | params.cipher = key->conf.cipher; |
62da92fb | 305 | |
97359d12 JB |
306 | switch (key->conf.cipher) { |
307 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
308 | iv32 = key->u.tkip.tx.iv32; |
309 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 310 | |
24487981 JB |
311 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
312 | drv_get_tkip_seq(sdata->local, | |
313 | key->conf.hw_key_idx, | |
314 | &iv32, &iv16); | |
62da92fb JB |
315 | |
316 | seq[0] = iv16 & 0xff; | |
317 | seq[1] = (iv16 >> 8) & 0xff; | |
318 | seq[2] = iv32 & 0xff; | |
319 | seq[3] = (iv32 >> 8) & 0xff; | |
320 | seq[4] = (iv32 >> 16) & 0xff; | |
321 | seq[5] = (iv32 >> 24) & 0xff; | |
322 | params.seq = seq; | |
323 | params.seq_len = 6; | |
324 | break; | |
97359d12 | 325 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
326 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
327 | seq[0] = pn64; | |
328 | seq[1] = pn64 >> 8; | |
329 | seq[2] = pn64 >> 16; | |
330 | seq[3] = pn64 >> 24; | |
331 | seq[4] = pn64 >> 32; | |
332 | seq[5] = pn64 >> 40; | |
62da92fb JB |
333 | params.seq = seq; |
334 | params.seq_len = 6; | |
335 | break; | |
97359d12 | 336 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
337 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
338 | seq[0] = pn64; | |
339 | seq[1] = pn64 >> 8; | |
340 | seq[2] = pn64 >> 16; | |
341 | seq[3] = pn64 >> 24; | |
342 | seq[4] = pn64 >> 32; | |
343 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
344 | params.seq = seq; |
345 | params.seq_len = 6; | |
346 | break; | |
62da92fb JB |
347 | } |
348 | ||
349 | params.key = key->conf.key; | |
350 | params.key_len = key->conf.keylen; | |
351 | ||
352 | callback(cookie, ¶ms); | |
353 | err = 0; | |
354 | ||
355 | out: | |
3b96766f | 356 | rcu_read_unlock(); |
62da92fb JB |
357 | return err; |
358 | } | |
359 | ||
e8cbb4cb JB |
360 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
361 | struct net_device *dev, | |
dbd2fd65 JB |
362 | u8 key_idx, bool uni, |
363 | bool multi) | |
e8cbb4cb | 364 | { |
ad0e2b5a | 365 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 366 | |
f7e0104c | 367 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
368 | |
369 | return 0; | |
370 | } | |
371 | ||
3cfcf6ac JM |
372 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
373 | struct net_device *dev, | |
374 | u8 key_idx) | |
375 | { | |
66c52421 | 376 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 377 | |
3cfcf6ac JM |
378 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
379 | ||
3cfcf6ac JM |
380 | return 0; |
381 | } | |
382 | ||
6b62bf32 TP |
383 | void sta_set_rate_info_tx(struct sta_info *sta, |
384 | const struct ieee80211_tx_rate *rate, | |
385 | struct rate_info *rinfo) | |
386 | { | |
387 | rinfo->flags = 0; | |
8bc83c24 | 388 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 389 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
390 | rinfo->mcs = rate->idx; |
391 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
392 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
393 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
394 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
395 | } else { | |
396 | struct ieee80211_supported_band *sband; | |
397 | sband = sta->local->hw.wiphy->bands[ | |
398 | ieee80211_get_sdata_band(sta->sdata)]; | |
399 | rinfo->legacy = sband->bitrates[rate->idx].bitrate; | |
400 | } | |
6b62bf32 TP |
401 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
402 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
403 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
404 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
405 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
406 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
407 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
408 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
409 | } |
410 | ||
003e676a S |
411 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
412 | { | |
413 | rinfo->flags = 0; | |
414 | ||
415 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
416 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
417 | rinfo->mcs = sta->last_rx_rate_idx; | |
418 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
419 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
420 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
421 | rinfo->mcs = sta->last_rx_rate_idx; | |
422 | } else { | |
423 | struct ieee80211_supported_band *sband; | |
424 | ||
425 | sband = sta->local->hw.wiphy->bands[ | |
426 | ieee80211_get_sdata_band(sta->sdata)]; | |
427 | rinfo->legacy = | |
428 | sband->bitrates[sta->last_rx_rate_idx].bitrate; | |
429 | } | |
430 | ||
431 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
432 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
433 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
434 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
435 | if (sta->last_rx_rate_flag & RX_FLAG_80MHZ) | |
436 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
437 | if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ) | |
438 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; | |
439 | if (sta->last_rx_rate_flag & RX_FLAG_160MHZ) | |
440 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
441 | } | |
442 | ||
c5dd9c2b LCC |
443 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
444 | { | |
d0709a65 | 445 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 446 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 447 | struct timespec uptime; |
c5dd9c2b | 448 | |
f5ea9120 JB |
449 | sinfo->generation = sdata->local->sta_generation; |
450 | ||
c5dd9c2b LCC |
451 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
452 | STATION_INFO_RX_BYTES | | |
420e7fab | 453 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
454 | STATION_INFO_RX_PACKETS | |
455 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
456 | STATION_INFO_TX_RETRIES | |
457 | STATION_INFO_TX_FAILED | | |
5a5c731a | 458 | STATION_INFO_TX_BITRATE | |
3af6334c | 459 | STATION_INFO_RX_BITRATE | |
f4263c98 | 460 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 461 | STATION_INFO_BSS_PARAM | |
7a724767 | 462 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
463 | STATION_INFO_STA_FLAGS | |
464 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
465 | |
466 | do_posix_clock_monotonic_gettime(&uptime); | |
467 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
468 | |
469 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
470 | sinfo->rx_bytes = sta->rx_bytes; | |
471 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
472 | sinfo->rx_packets = sta->rx_packets; |
473 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
474 | sinfo->tx_retries = sta->tx_retry_count; |
475 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 476 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 477 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 478 | |
19deffbe JL |
479 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
480 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 481 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
482 | if (!local->ops->get_rssi || |
483 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
484 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 485 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
486 | } |
487 | ||
6b62bf32 | 488 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
003e676a | 489 | sta_set_rate_info_rx(sta, &sinfo->rxrate); |
420e7fab | 490 | |
902acc78 | 491 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 492 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
493 | sinfo->filled |= STATION_INFO_LLID | |
494 | STATION_INFO_PLID | | |
3f52b7e3 MP |
495 | STATION_INFO_PLINK_STATE | |
496 | STATION_INFO_LOCAL_PM | | |
497 | STATION_INFO_PEER_PM | | |
498 | STATION_INFO_NONPEER_PM; | |
c5dd9c2b LCC |
499 | |
500 | sinfo->llid = le16_to_cpu(sta->llid); | |
501 | sinfo->plid = le16_to_cpu(sta->plid); | |
502 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
503 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
504 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
505 | sinfo->t_offset = sta->t_offset; | |
506 | } | |
3f52b7e3 MP |
507 | sinfo->local_pm = sta->local_pm; |
508 | sinfo->peer_pm = sta->peer_pm; | |
509 | sinfo->nonpeer_pm = sta->nonpeer_pm; | |
c5dd9c2b | 510 | #endif |
902acc78 | 511 | } |
f4263c98 PS |
512 | |
513 | sinfo->bss_param.flags = 0; | |
514 | if (sdata->vif.bss_conf.use_cts_prot) | |
515 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
516 | if (sdata->vif.bss_conf.use_short_preamble) | |
517 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
518 | if (sdata->vif.bss_conf.use_short_slot) | |
519 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
520 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
521 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
522 | |
523 | sinfo->sta_flags.set = 0; | |
524 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
525 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
526 | BIT(NL80211_STA_FLAG_WME) | | |
527 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 | 528 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
d582cffb | 529 | BIT(NL80211_STA_FLAG_ASSOCIATED) | |
e4121562 | 530 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
7a724767 HS |
531 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
532 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
533 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
534 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
535 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
536 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
537 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
538 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
539 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
540 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
d582cffb JB |
541 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
542 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
e4121562 HS |
543 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
544 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
545 | } |
546 | ||
b1ab7925 BG |
547 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
548 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
549 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
550 | "tx_packets", "tx_bytes", "tx_fragments", | |
551 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
552 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
553 | "channel", "noise", "ch_time", "ch_time_busy", | |
554 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
555 | }; |
556 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
557 | ||
558 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
559 | struct net_device *dev, | |
560 | int sset) | |
561 | { | |
e352114f BG |
562 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
563 | int rv = 0; | |
564 | ||
b1ab7925 | 565 | if (sset == ETH_SS_STATS) |
e352114f BG |
566 | rv += STA_STATS_LEN; |
567 | ||
568 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 569 | |
e352114f BG |
570 | if (rv == 0) |
571 | return -EOPNOTSUPP; | |
572 | return rv; | |
b1ab7925 BG |
573 | } |
574 | ||
575 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
576 | struct net_device *dev, | |
577 | struct ethtool_stats *stats, | |
578 | u64 *data) | |
579 | { | |
580 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
581 | struct ieee80211_chanctx_conf *chanctx_conf; |
582 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
583 | struct sta_info *sta; |
584 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
585 | struct station_info sinfo; |
586 | struct survey_info survey; | |
587 | int i, q; | |
588 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
589 | |
590 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
591 | ||
592 | #define ADD_STA_STATS(sta) \ | |
593 | do { \ | |
594 | data[i++] += sta->rx_packets; \ | |
595 | data[i++] += sta->rx_bytes; \ | |
596 | data[i++] += sta->wep_weak_iv_count; \ | |
597 | data[i++] += sta->num_duplicates; \ | |
598 | data[i++] += sta->rx_fragments; \ | |
599 | data[i++] += sta->rx_dropped; \ | |
600 | \ | |
601 | data[i++] += sta->tx_packets; \ | |
602 | data[i++] += sta->tx_bytes; \ | |
603 | data[i++] += sta->tx_fragments; \ | |
604 | data[i++] += sta->tx_filtered_count; \ | |
605 | data[i++] += sta->tx_retry_failed; \ | |
606 | data[i++] += sta->tx_retry_count; \ | |
607 | data[i++] += sta->beacon_loss_count; \ | |
608 | } while (0) | |
609 | ||
610 | /* For Managed stations, find the single station based on BSSID | |
611 | * and use that. For interface types, iterate through all available | |
612 | * stations and add stats for any station that is assigned to this | |
613 | * network device. | |
614 | */ | |
615 | ||
66572cfc | 616 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
617 | |
618 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
619 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
620 | |
621 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
622 | goto do_survey; | |
623 | ||
624 | i = 0; | |
625 | ADD_STA_STATS(sta); | |
626 | ||
627 | data[i++] = sta->sta_state; | |
628 | ||
629 | sinfo.filled = 0; | |
630 | sta_set_sinfo(sta, &sinfo); | |
631 | ||
5204267d | 632 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
633 | data[i] = 100000 * |
634 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
635 | i++; | |
5204267d | 636 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
637 | data[i] = 100000 * |
638 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
639 | i++; | |
640 | ||
5204267d | 641 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
642 | data[i] = (u8)sinfo.signal_avg; |
643 | i++; | |
b1ab7925 | 644 | } else { |
66572cfc | 645 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
646 | /* Make sure this station belongs to the proper dev */ |
647 | if (sta->sdata->dev != dev) | |
648 | continue; | |
649 | ||
650 | i = 0; | |
651 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
652 | } |
653 | } | |
654 | ||
3073a7c2 BG |
655 | do_survey: |
656 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
657 | /* Get survey stats for current channel */ | |
55de908a | 658 | survey.filled = 0; |
3073a7c2 | 659 | |
55de908a JB |
660 | rcu_read_lock(); |
661 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
662 | if (chanctx_conf) | |
4bf88530 | 663 | channel = chanctx_conf->def.chan; |
55de908a JB |
664 | else |
665 | channel = NULL; | |
666 | rcu_read_unlock(); | |
667 | ||
668 | if (channel) { | |
669 | q = 0; | |
670 | do { | |
671 | survey.filled = 0; | |
672 | if (drv_get_survey(local, q, &survey) != 0) { | |
673 | survey.filled = 0; | |
674 | break; | |
675 | } | |
676 | q++; | |
677 | } while (channel != survey.channel); | |
3073a7c2 BG |
678 | } |
679 | ||
680 | if (survey.filled) | |
681 | data[i++] = survey.channel->center_freq; | |
682 | else | |
683 | data[i++] = 0; | |
684 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
685 | data[i++] = (u8)survey.noise; | |
686 | else | |
687 | data[i++] = -1LL; | |
688 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
689 | data[i++] = survey.channel_time; | |
690 | else | |
691 | data[i++] = -1LL; | |
692 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
693 | data[i++] = survey.channel_time_busy; | |
694 | else | |
695 | data[i++] = -1LL; | |
696 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
697 | data[i++] = survey.channel_time_ext_busy; | |
698 | else | |
699 | data[i++] = -1LL; | |
700 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
701 | data[i++] = survey.channel_time_rx; | |
702 | else | |
703 | data[i++] = -1LL; | |
704 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
705 | data[i++] = survey.channel_time_tx; | |
706 | else | |
707 | data[i++] = -1LL; | |
708 | ||
66572cfc | 709 | mutex_unlock(&local->sta_mtx); |
e352114f | 710 | |
3073a7c2 BG |
711 | if (WARN_ON(i != STA_STATS_LEN)) |
712 | return; | |
713 | ||
e352114f | 714 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
715 | } |
716 | ||
717 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
718 | struct net_device *dev, | |
719 | u32 sset, u8 *data) | |
720 | { | |
e352114f BG |
721 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
722 | int sz_sta_stats = 0; | |
723 | ||
b1ab7925 | 724 | if (sset == ETH_SS_STATS) { |
e352114f | 725 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
726 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
727 | } | |
e352114f | 728 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 729 | } |
c5dd9c2b LCC |
730 | |
731 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
732 | int idx, u8 *mac, struct station_info *sinfo) | |
733 | { | |
3b53fde8 | 734 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 735 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 736 | struct sta_info *sta; |
d0709a65 JB |
737 | int ret = -ENOENT; |
738 | ||
66572cfc | 739 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 740 | |
3b53fde8 | 741 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
742 | if (sta) { |
743 | ret = 0; | |
17741cdc | 744 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
745 | sta_set_sinfo(sta, sinfo); |
746 | } | |
c5dd9c2b | 747 | |
66572cfc | 748 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 749 | |
d0709a65 | 750 | return ret; |
c5dd9c2b LCC |
751 | } |
752 | ||
1289723e HS |
753 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
754 | int idx, struct survey_info *survey) | |
755 | { | |
756 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
757 | ||
1289723e HS |
758 | return drv_get_survey(local, idx, survey); |
759 | } | |
760 | ||
7bbdd2d9 | 761 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 762 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 763 | { |
abe60632 | 764 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 765 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 766 | struct sta_info *sta; |
d0709a65 | 767 | int ret = -ENOENT; |
7bbdd2d9 | 768 | |
66572cfc | 769 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 770 | |
0e5ded5a | 771 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
772 | if (sta) { |
773 | ret = 0; | |
774 | sta_set_sinfo(sta, sinfo); | |
775 | } | |
776 | ||
66572cfc | 777 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
778 | |
779 | return ret; | |
7bbdd2d9 JB |
780 | } |
781 | ||
55de908a | 782 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 783 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
784 | { |
785 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
786 | struct ieee80211_sub_if_data *sdata; |
787 | int ret = 0; | |
3d9e6e12 | 788 | |
4bf88530 | 789 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 790 | return 0; |
3d9e6e12 | 791 | |
55de908a JB |
792 | mutex_lock(&local->iflist_mtx); |
793 | if (local->use_chanctx) { | |
794 | sdata = rcu_dereference_protected( | |
795 | local->monitor_sdata, | |
796 | lockdep_is_held(&local->iflist_mtx)); | |
797 | if (sdata) { | |
798 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 799 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
800 | IEEE80211_CHANCTX_EXCLUSIVE); |
801 | } | |
802 | } else if (local->open_count == local->monitors) { | |
683b6d3b | 803 | local->_oper_channel = chandef->chan; |
4bf88530 | 804 | local->_oper_channel_type = cfg80211_get_chandef_type(chandef); |
55de908a JB |
805 | ieee80211_hw_config(local, 0); |
806 | } | |
3d9e6e12 | 807 | |
4bf88530 JB |
808 | if (ret == 0) |
809 | local->monitor_chandef = *chandef; | |
55de908a | 810 | mutex_unlock(&local->iflist_mtx); |
3d9e6e12 | 811 | |
55de908a | 812 | return ret; |
e8c9bd5b JB |
813 | } |
814 | ||
02945821 | 815 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 816 | const u8 *resp, size_t resp_len) |
02945821 | 817 | { |
aa7a0080 | 818 | struct probe_resp *new, *old; |
02945821 AN |
819 | |
820 | if (!resp || !resp_len) | |
aba4e6ff | 821 | return 1; |
02945821 | 822 | |
f724828b | 823 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 | 824 | |
aa7a0080 | 825 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
826 | if (!new) |
827 | return -ENOMEM; | |
828 | ||
aa7a0080 ES |
829 | new->len = resp_len; |
830 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
831 | |
832 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
833 | if (old) |
834 | kfree_rcu(old, rcu_head); | |
02945821 AN |
835 | |
836 | return 0; | |
837 | } | |
838 | ||
8860020e JB |
839 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
840 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
841 | { |
842 | struct beacon_data *new, *old; | |
843 | int new_head_len, new_tail_len; | |
8860020e JB |
844 | int size, err; |
845 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 846 | |
40b275b6 | 847 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 848 | |
5dfdaf58 JB |
849 | /* Need to have a beacon head if we don't have one yet */ |
850 | if (!params->head && !old) | |
8860020e | 851 | return -EINVAL; |
5dfdaf58 JB |
852 | |
853 | /* new or old head? */ | |
854 | if (params->head) | |
855 | new_head_len = params->head_len; | |
856 | else | |
857 | new_head_len = old->head_len; | |
858 | ||
859 | /* new or old tail? */ | |
860 | if (params->tail || !old) | |
861 | /* params->tail_len will be zero for !params->tail */ | |
862 | new_tail_len = params->tail_len; | |
863 | else | |
864 | new_tail_len = old->tail_len; | |
865 | ||
866 | size = sizeof(*new) + new_head_len + new_tail_len; | |
867 | ||
868 | new = kzalloc(size, GFP_KERNEL); | |
869 | if (!new) | |
870 | return -ENOMEM; | |
871 | ||
872 | /* start filling the new info now */ | |
873 | ||
5dfdaf58 JB |
874 | /* |
875 | * pointers go into the block we allocated, | |
876 | * memory is | beacon_data | head | tail | | |
877 | */ | |
878 | new->head = ((u8 *) new) + sizeof(*new); | |
879 | new->tail = new->head + new_head_len; | |
880 | new->head_len = new_head_len; | |
881 | new->tail_len = new_tail_len; | |
882 | ||
883 | /* copy in head */ | |
884 | if (params->head) | |
885 | memcpy(new->head, params->head, new_head_len); | |
886 | else | |
887 | memcpy(new->head, old->head, new_head_len); | |
888 | ||
889 | /* copy in optional tail */ | |
890 | if (params->tail) | |
891 | memcpy(new->tail, params->tail, new_tail_len); | |
892 | else | |
893 | if (old) | |
894 | memcpy(new->tail, old->tail, new_tail_len); | |
895 | ||
02945821 AN |
896 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
897 | params->probe_resp_len); | |
8860020e JB |
898 | if (err < 0) |
899 | return err; | |
900 | if (err == 0) | |
02945821 AN |
901 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
902 | ||
8860020e JB |
903 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
904 | ||
905 | if (old) | |
906 | kfree_rcu(old, rcu_head); | |
7827493b | 907 | |
8860020e | 908 | return changed; |
5dfdaf58 JB |
909 | } |
910 | ||
8860020e JB |
911 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
912 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 913 | { |
8860020e | 914 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 915 | struct beacon_data *old; |
665c93a9 | 916 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
917 | u32 changed = BSS_CHANGED_BEACON_INT | |
918 | BSS_CHANGED_BEACON_ENABLED | | |
919 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
920 | BSS_CHANGED_SSID | |
921 | BSS_CHANGED_P2P_PS; | |
8860020e | 922 | int err; |
14db74bc | 923 | |
40b275b6 | 924 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
925 | if (old) |
926 | return -EALREADY; | |
927 | ||
04ecd257 JB |
928 | /* TODO: make hostapd tell us what it wants */ |
929 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
930 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
164eb02d | 931 | sdata->radar_required = params->radar_required; |
04ecd257 | 932 | |
4bf88530 | 933 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 934 | IEEE80211_CHANCTX_SHARED); |
aa430da4 JB |
935 | if (err) |
936 | return err; | |
1f4ac5a6 | 937 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); |
aa430da4 | 938 | |
665c93a9 JB |
939 | /* |
940 | * Apply control port protocol, this allows us to | |
941 | * not encrypt dynamic WEP control frames. | |
942 | */ | |
943 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
944 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
945 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
946 | vlan->control_port_protocol = | |
947 | params->crypto.control_port_ethertype; | |
948 | vlan->control_port_no_encrypt = | |
949 | params->crypto.control_port_no_encrypt; | |
950 | } | |
951 | ||
8860020e JB |
952 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
953 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 954 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
955 | |
956 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
957 | if (params->ssid_len) | |
958 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
959 | params->ssid_len); | |
960 | sdata->vif.bss_conf.hidden_ssid = | |
961 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
962 | ||
339afbf4 JB |
963 | sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; |
964 | sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; | |
965 | ||
8860020e JB |
966 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); |
967 | if (err < 0) | |
968 | return err; | |
969 | changed |= err; | |
970 | ||
1041638f JB |
971 | err = drv_start_ap(sdata->local, sdata); |
972 | if (err) { | |
973 | old = rtnl_dereference(sdata->u.ap.beacon); | |
974 | if (old) | |
975 | kfree_rcu(old, rcu_head); | |
976 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
977 | return err; | |
978 | } | |
979 | ||
8860020e JB |
980 | ieee80211_bss_info_change_notify(sdata, changed); |
981 | ||
3edaf3e6 JB |
982 | netif_carrier_on(dev); |
983 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
984 | netif_carrier_on(vlan->dev); | |
985 | ||
665c93a9 | 986 | return 0; |
5dfdaf58 JB |
987 | } |
988 | ||
8860020e JB |
989 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
990 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 991 | { |
14db74bc | 992 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 993 | struct beacon_data *old; |
8860020e | 994 | int err; |
5dfdaf58 | 995 | |
14db74bc JB |
996 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
997 | ||
40b275b6 | 998 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
999 | if (!old) |
1000 | return -ENOENT; | |
1001 | ||
8860020e JB |
1002 | err = ieee80211_assign_beacon(sdata, params); |
1003 | if (err < 0) | |
1004 | return err; | |
1005 | ieee80211_bss_info_change_notify(sdata, err); | |
1006 | return 0; | |
5dfdaf58 JB |
1007 | } |
1008 | ||
8860020e | 1009 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1010 | { |
7b20b8e8 JB |
1011 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1012 | struct ieee80211_sub_if_data *vlan; | |
1013 | struct ieee80211_local *local = sdata->local; | |
1014 | struct beacon_data *old_beacon; | |
1015 | struct probe_resp *old_probe_resp; | |
14db74bc | 1016 | |
7b20b8e8 JB |
1017 | old_beacon = rtnl_dereference(sdata->u.ap.beacon); |
1018 | if (!old_beacon) | |
5dfdaf58 | 1019 | return -ENOENT; |
7b20b8e8 | 1020 | old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp); |
5dfdaf58 | 1021 | |
7b20b8e8 | 1022 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1023 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1024 | netif_carrier_off(vlan->dev); | |
1025 | netif_carrier_off(dev); | |
1026 | ||
7b20b8e8 | 1027 | /* remove beacon and probe response */ |
a9b3cd7f | 1028 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1029 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1030 | kfree_rcu(old_beacon, rcu_head); | |
1031 | if (old_probe_resp) | |
1032 | kfree_rcu(old_probe_resp, rcu_head); | |
8860020e | 1033 | |
2d4072a5 | 1034 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
75de9113 JB |
1035 | sta_info_flush_defer(vlan); |
1036 | sta_info_flush_defer(sdata); | |
1037 | rcu_barrier(); | |
1038 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
1039 | sta_info_flush_cleanup(vlan); | |
1040 | sta_info_flush_cleanup(sdata); | |
1041 | ||
d6a83228 JB |
1042 | sdata->vif.bss_conf.enable_beacon = false; |
1043 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); | |
2d0ddec5 | 1044 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1045 | |
1041638f JB |
1046 | drv_stop_ap(sdata->local, sdata); |
1047 | ||
7b20b8e8 JB |
1048 | /* free all potentially still buffered bcast frames */ |
1049 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
1050 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
1051 | ||
1f4ac5a6 | 1052 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a JB |
1053 | ieee80211_vif_release_channel(sdata); |
1054 | ||
2d0ddec5 | 1055 | return 0; |
5dfdaf58 JB |
1056 | } |
1057 | ||
4fd6931e JB |
1058 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1059 | struct iapp_layer2_update { | |
1060 | u8 da[ETH_ALEN]; /* broadcast */ | |
1061 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1062 | __be16 len; /* 6 */ | |
1063 | u8 dsap; /* 0 */ | |
1064 | u8 ssap; /* 0 */ | |
1065 | u8 control; | |
1066 | u8 xid_info[3]; | |
bc10502d | 1067 | } __packed; |
4fd6931e JB |
1068 | |
1069 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1070 | { | |
1071 | struct iapp_layer2_update *msg; | |
1072 | struct sk_buff *skb; | |
1073 | ||
1074 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1075 | * bridge devices */ | |
1076 | ||
1077 | skb = dev_alloc_skb(sizeof(*msg)); | |
1078 | if (!skb) | |
1079 | return; | |
1080 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1081 | ||
1082 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1083 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1084 | ||
e83e6541 | 1085 | eth_broadcast_addr(msg->da); |
17741cdc | 1086 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1087 | msg->len = htons(6); |
1088 | msg->dsap = 0; | |
1089 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1090 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1091 | * F=0 (no poll command; unsolicited frame) */ | |
1092 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1093 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1094 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1095 | ||
d0709a65 JB |
1096 | skb->dev = sta->sdata->dev; |
1097 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1098 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1099 | netif_rx_ni(skb); |
4fd6931e JB |
1100 | } |
1101 | ||
d582cffb JB |
1102 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1103 | struct sta_info *sta, | |
1104 | u32 mask, u32 set) | |
1105 | { | |
1106 | int ret; | |
1107 | ||
1108 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1109 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1110 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1111 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1112 | if (ret) | |
1113 | return ret; | |
1114 | } | |
1115 | ||
1116 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1117 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1118 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1119 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1120 | if (ret) | |
1121 | return ret; | |
1122 | } | |
1123 | ||
1124 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1125 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1126 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1127 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1128 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1129 | else | |
1130 | ret = 0; | |
1131 | if (ret) | |
1132 | return ret; | |
1133 | } | |
1134 | ||
1135 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1136 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1137 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1138 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1139 | if (ret) | |
1140 | return ret; | |
1141 | } | |
1142 | ||
1143 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1144 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1145 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1146 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1147 | if (ret) | |
1148 | return ret; | |
1149 | } | |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
d9a7ddb0 JB |
1154 | static int sta_apply_parameters(struct ieee80211_local *local, |
1155 | struct sta_info *sta, | |
1156 | struct station_parameters *params) | |
4fd6931e | 1157 | { |
d9a7ddb0 | 1158 | int ret = 0; |
4fd6931e JB |
1159 | u32 rates; |
1160 | int i, j; | |
8318d78a | 1161 | struct ieee80211_supported_band *sband; |
d0709a65 | 1162 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1163 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1164 | u32 mask, set; |
4fd6931e | 1165 | |
55de908a | 1166 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1167 | |
eccb8e8f JB |
1168 | mask = params->sta_flags_mask; |
1169 | set = params->sta_flags_set; | |
73651ee6 | 1170 | |
d582cffb JB |
1171 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1172 | /* | |
1173 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1174 | * API but must follow AUTHENTICATED for driver state. | |
1175 | */ | |
1176 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1177 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1178 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1179 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
eccb8e8f | 1180 | } |
4fd6931e | 1181 | |
d582cffb JB |
1182 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1183 | if (ret) | |
1184 | return ret; | |
d9a7ddb0 | 1185 | |
eccb8e8f | 1186 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1187 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1188 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1189 | else | |
1190 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1191 | } |
4fd6931e | 1192 | |
eccb8e8f | 1193 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1194 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1195 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1196 | sta->sta.wme = true; |
c2c98fde JB |
1197 | } else { |
1198 | clear_sta_flag(sta, WLAN_STA_WME); | |
1199 | sta->sta.wme = false; | |
39df600a | 1200 | } |
eccb8e8f | 1201 | } |
5394af4d | 1202 | |
eccb8e8f | 1203 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1204 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1205 | set_sta_flag(sta, WLAN_STA_MFP); |
1206 | else | |
1207 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1208 | } |
b39c48fa | 1209 | |
07ba55d7 | 1210 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1211 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1212 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1213 | else | |
1214 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1215 | } |
4fd6931e | 1216 | |
3b9ce80c JB |
1217 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1218 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1219 | sta->sta.max_sp = params->max_sp; | |
1220 | } | |
9533b4ac | 1221 | |
51b50fbe JB |
1222 | /* |
1223 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1224 | * only when creating a new station entry | |
1225 | */ | |
1226 | if (params->aid) | |
1227 | sta->sta.aid = params->aid; | |
1228 | ||
73651ee6 | 1229 | /* |
ba23d206 JB |
1230 | * Some of the following updates would be racy if called on an |
1231 | * existing station, via ieee80211_change_station(). However, | |
1232 | * all such changes are rejected by cfg80211 except for updates | |
1233 | * changing the supported rates on an existing but not yet used | |
1234 | * TDLS peer. | |
73651ee6 JB |
1235 | */ |
1236 | ||
4fd6931e JB |
1237 | if (params->listen_interval >= 0) |
1238 | sta->listen_interval = params->listen_interval; | |
1239 | ||
1240 | if (params->supported_rates) { | |
1241 | rates = 0; | |
8318d78a | 1242 | |
4fd6931e JB |
1243 | for (i = 0; i < params->supported_rates_len; i++) { |
1244 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1245 | for (j = 0; j < sband->n_bitrates; j++) { |
1246 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1247 | rates |= BIT(j); |
1248 | } | |
1249 | } | |
55de908a | 1250 | sta->sta.supp_rates[band] = rates; |
4fd6931e | 1251 | } |
c5dd9c2b | 1252 | |
d9fe60de | 1253 | if (params->ht_capa) |
ef96a842 | 1254 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1255 | params->ht_capa, sta); |
36aedc90 | 1256 | |
f461be3e MP |
1257 | if (params->vht_capa) |
1258 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1259 | params->vht_capa, sta); |
f461be3e | 1260 | |
9c3990aa | 1261 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1262 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1263 | u32 changed = 0; |
1617bab8 | 1264 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) { |
9c3990aa | 1265 | switch (params->plink_state) { |
57cf8043 | 1266 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1267 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1268 | changed = mesh_plink_inc_estab_count( | |
1269 | sdata); | |
1270 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1271 | |
1272 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1273 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1274 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1275 | break; |
1276 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1277 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1278 | case NL80211_PLINK_OPN_SNT: |
1279 | case NL80211_PLINK_OPN_RCVD: | |
1280 | case NL80211_PLINK_CNF_RCVD: | |
1281 | case NL80211_PLINK_HOLDING: | |
1282 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1283 | changed = mesh_plink_dec_estab_count( | |
1284 | sdata); | |
9c3990aa | 1285 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1286 | |
1287 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1288 | changed |= |
1289 | ieee80211_mps_local_status_update(sdata); | |
9c3990aa JC |
1290 | break; |
1291 | default: | |
1292 | /* nothing */ | |
1293 | break; | |
1294 | } | |
1617bab8 | 1295 | } else { |
9c3990aa JC |
1296 | switch (params->plink_action) { |
1297 | case PLINK_ACTION_OPEN: | |
39886b61 | 1298 | changed |= mesh_plink_open(sta); |
9c3990aa JC |
1299 | break; |
1300 | case PLINK_ACTION_BLOCK: | |
39886b61 | 1301 | changed |= mesh_plink_block(sta); |
9c3990aa JC |
1302 | break; |
1303 | } | |
1617bab8 | 1304 | } |
3f52b7e3 MP |
1305 | |
1306 | if (params->local_pm) | |
39886b61 TP |
1307 | changed |= |
1308 | ieee80211_mps_set_sta_local_pm(sta, | |
1309 | params->local_pm); | |
1310 | ieee80211_bss_info_change_notify(sdata, changed); | |
4daf50f2 | 1311 | #endif |
902acc78 | 1312 | } |
d9a7ddb0 JB |
1313 | |
1314 | return 0; | |
4fd6931e JB |
1315 | } |
1316 | ||
1317 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1318 | u8 *mac, struct station_parameters *params) | |
1319 | { | |
14db74bc | 1320 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1321 | struct sta_info *sta; |
1322 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1323 | int err; |
b8d476c8 | 1324 | int layer2_update; |
4fd6931e | 1325 | |
4fd6931e JB |
1326 | if (params->vlan) { |
1327 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1328 | ||
05c914fe JB |
1329 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1330 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1331 | return -EINVAL; |
1332 | } else | |
1333 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1334 | ||
b203ca39 | 1335 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1336 | return -EINVAL; |
1337 | ||
1338 | if (is_multicast_ether_addr(mac)) | |
1339 | return -EINVAL; | |
1340 | ||
1341 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1342 | if (!sta) |
1343 | return -ENOMEM; | |
4fd6931e | 1344 | |
d582cffb JB |
1345 | /* |
1346 | * defaults -- if userspace wants something else we'll | |
1347 | * change it accordingly in sta_apply_parameters() | |
1348 | */ | |
83d5cc01 JB |
1349 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1350 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 1351 | |
d9a7ddb0 JB |
1352 | err = sta_apply_parameters(local, sta, params); |
1353 | if (err) { | |
1354 | sta_info_free(local, sta); | |
1355 | return err; | |
1356 | } | |
4fd6931e | 1357 | |
d64cf63e AN |
1358 | /* |
1359 | * for TDLS, rate control should be initialized only when supported | |
1360 | * rates are known. | |
1361 | */ | |
1362 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1363 | rate_control_rate_init(sta); | |
4fd6931e | 1364 | |
b8d476c8 JM |
1365 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1366 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1367 | ||
34e89507 | 1368 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1369 | if (err) { |
73651ee6 JB |
1370 | rcu_read_unlock(); |
1371 | return err; | |
1372 | } | |
1373 | ||
b8d476c8 | 1374 | if (layer2_update) |
73651ee6 JB |
1375 | ieee80211_send_layer2_update(sta); |
1376 | ||
1377 | rcu_read_unlock(); | |
1378 | ||
4fd6931e JB |
1379 | return 0; |
1380 | } | |
1381 | ||
1382 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1383 | u8 *mac) | |
1384 | { | |
14db74bc | 1385 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1386 | |
14db74bc JB |
1387 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1388 | ||
34e89507 JB |
1389 | if (mac) |
1390 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1391 | |
b998e8bb | 1392 | sta_info_flush(sdata); |
4fd6931e JB |
1393 | return 0; |
1394 | } | |
1395 | ||
1396 | static int ieee80211_change_station(struct wiphy *wiphy, | |
1397 | struct net_device *dev, | |
1398 | u8 *mac, | |
1399 | struct station_parameters *params) | |
1400 | { | |
abe60632 | 1401 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1402 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1403 | struct sta_info *sta; |
1404 | struct ieee80211_sub_if_data *vlansdata; | |
35b88623 | 1405 | int err; |
4fd6931e | 1406 | |
87be1e1e | 1407 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1408 | |
0e5ded5a | 1409 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1410 | if (!sta) { |
87be1e1e | 1411 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1412 | return -ENOENT; |
98dd6a57 | 1413 | } |
4fd6931e | 1414 | |
df881293 | 1415 | /* in station mode, some updates are only valid with TDLS */ |
bdd90d5e | 1416 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
df881293 JM |
1417 | (params->supported_rates || params->ht_capa || params->vht_capa || |
1418 | params->sta_modify_mask || | |
1419 | (params->sta_flags_mask & BIT(NL80211_STA_FLAG_WME))) && | |
bdd90d5e | 1420 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
87be1e1e | 1421 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1422 | return -EINVAL; |
1423 | } | |
1424 | ||
d0709a65 | 1425 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1426 | bool prev_4addr = false; |
1427 | bool new_4addr = false; | |
1428 | ||
4fd6931e JB |
1429 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1430 | ||
05c914fe JB |
1431 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1432 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1433 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1434 | return -EINVAL; |
98dd6a57 | 1435 | } |
4fd6931e | 1436 | |
9bc383de | 1437 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1438 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1439 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1440 | return -EBUSY; |
3305443c | 1441 | } |
f14543ee | 1442 | |
cf778b00 | 1443 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1444 | new_4addr = true; |
1445 | } | |
1446 | ||
1447 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1448 | sta->sdata->u.vlan.sta) { | |
1449 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1450 | prev_4addr = true; | |
f14543ee FF |
1451 | } |
1452 | ||
14db74bc | 1453 | sta->sdata = vlansdata; |
7e3ed02c FF |
1454 | |
1455 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1456 | prev_4addr != new_4addr) { | |
1457 | if (new_4addr) | |
1458 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1459 | else | |
1460 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1461 | } | |
1462 | ||
4fd6931e JB |
1463 | ieee80211_send_layer2_update(sta); |
1464 | } | |
1465 | ||
35b88623 EP |
1466 | err = sta_apply_parameters(local, sta, params); |
1467 | if (err) { | |
1468 | mutex_unlock(&local->sta_mtx); | |
1469 | return err; | |
1470 | } | |
4fd6931e | 1471 | |
d64cf63e AN |
1472 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1473 | rate_control_rate_init(sta); | |
1474 | ||
87be1e1e | 1475 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1476 | |
808118cb | 1477 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1478 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1479 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1480 | ieee80211_recalc_ps_vif(sdata); |
1481 | } | |
4fd6931e JB |
1482 | return 0; |
1483 | } | |
1484 | ||
c5dd9c2b LCC |
1485 | #ifdef CONFIG_MAC80211_MESH |
1486 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1487 | u8 *dst, u8 *next_hop) | |
1488 | { | |
14db74bc | 1489 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1490 | struct mesh_path *mpath; |
1491 | struct sta_info *sta; | |
1492 | int err; | |
1493 | ||
14db74bc JB |
1494 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1495 | ||
d0709a65 | 1496 | rcu_read_lock(); |
abe60632 | 1497 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1498 | if (!sta) { |
1499 | rcu_read_unlock(); | |
c5dd9c2b | 1500 | return -ENOENT; |
d0709a65 | 1501 | } |
c5dd9c2b | 1502 | |
bf7cd94d | 1503 | err = mesh_path_add(sdata, dst); |
d0709a65 JB |
1504 | if (err) { |
1505 | rcu_read_unlock(); | |
c5dd9c2b | 1506 | return err; |
d0709a65 | 1507 | } |
c5dd9c2b | 1508 | |
bf7cd94d | 1509 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1510 | if (!mpath) { |
1511 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1512 | return -ENXIO; |
1513 | } | |
1514 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1515 | |
c5dd9c2b LCC |
1516 | rcu_read_unlock(); |
1517 | return 0; | |
1518 | } | |
1519 | ||
1520 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
bf7cd94d | 1521 | u8 *dst) |
c5dd9c2b | 1522 | { |
f698d856 JBG |
1523 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1524 | ||
c5dd9c2b | 1525 | if (dst) |
bf7cd94d | 1526 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1527 | |
ece1a2e7 | 1528 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1529 | return 0; |
1530 | } | |
1531 | ||
1532 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1533 | struct net_device *dev, | |
1534 | u8 *dst, u8 *next_hop) | |
1535 | { | |
14db74bc | 1536 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1537 | struct mesh_path *mpath; |
1538 | struct sta_info *sta; | |
1539 | ||
14db74bc JB |
1540 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1541 | ||
d0709a65 JB |
1542 | rcu_read_lock(); |
1543 | ||
abe60632 | 1544 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1545 | if (!sta) { |
1546 | rcu_read_unlock(); | |
c5dd9c2b | 1547 | return -ENOENT; |
d0709a65 | 1548 | } |
c5dd9c2b | 1549 | |
bf7cd94d | 1550 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1551 | if (!mpath) { |
1552 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1553 | return -ENOENT; |
1554 | } | |
1555 | ||
1556 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1557 | |
c5dd9c2b LCC |
1558 | rcu_read_unlock(); |
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1563 | struct mpath_info *pinfo) | |
1564 | { | |
a3836e02 JB |
1565 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1566 | ||
1567 | if (next_hop_sta) | |
1568 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1569 | else |
1570 | memset(next_hop, 0, ETH_ALEN); | |
1571 | ||
7ce8c7a3 LAYS |
1572 | memset(pinfo, 0, sizeof(*pinfo)); |
1573 | ||
f5ea9120 JB |
1574 | pinfo->generation = mesh_paths_generation; |
1575 | ||
c5dd9c2b | 1576 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1577 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1578 | MPATH_INFO_METRIC | |
1579 | MPATH_INFO_EXPTIME | | |
1580 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1581 | MPATH_INFO_DISCOVERY_RETRIES | | |
1582 | MPATH_INFO_FLAGS; | |
1583 | ||
1584 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1585 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1586 | pinfo->metric = mpath->metric; |
1587 | if (time_before(jiffies, mpath->exp_time)) | |
1588 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1589 | pinfo->discovery_timeout = | |
1590 | jiffies_to_msecs(mpath->discovery_timeout); | |
1591 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1592 | if (mpath->flags & MESH_PATH_ACTIVE) |
1593 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1594 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1595 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1596 | if (mpath->flags & MESH_PATH_SN_VALID) |
1597 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1598 | if (mpath->flags & MESH_PATH_FIXED) |
1599 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1600 | if (mpath->flags & MESH_PATH_RESOLVED) |
1601 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1602 | } |
1603 | ||
1604 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1605 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1606 | ||
1607 | { | |
14db74bc | 1608 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1609 | struct mesh_path *mpath; |
1610 | ||
14db74bc JB |
1611 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1612 | ||
c5dd9c2b | 1613 | rcu_read_lock(); |
bf7cd94d | 1614 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1615 | if (!mpath) { |
1616 | rcu_read_unlock(); | |
1617 | return -ENOENT; | |
1618 | } | |
1619 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1620 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1621 | rcu_read_unlock(); | |
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1626 | int idx, u8 *dst, u8 *next_hop, | |
1627 | struct mpath_info *pinfo) | |
1628 | { | |
14db74bc | 1629 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1630 | struct mesh_path *mpath; |
1631 | ||
14db74bc JB |
1632 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1633 | ||
c5dd9c2b | 1634 | rcu_read_lock(); |
bf7cd94d | 1635 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1636 | if (!mpath) { |
1637 | rcu_read_unlock(); | |
1638 | return -ENOENT; | |
1639 | } | |
1640 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1641 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1642 | rcu_read_unlock(); | |
1643 | return 0; | |
1644 | } | |
93da9cc1 | 1645 | |
24bdd9f4 | 1646 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1647 | struct net_device *dev, |
1648 | struct mesh_config *conf) | |
1649 | { | |
1650 | struct ieee80211_sub_if_data *sdata; | |
1651 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1652 | ||
93da9cc1 | 1653 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1658 | { | |
1659 | return (mask >> (parm-1)) & 0x1; | |
1660 | } | |
1661 | ||
c80d545d JC |
1662 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1663 | const struct mesh_setup *setup) | |
1664 | { | |
1665 | u8 *new_ie; | |
1666 | const u8 *old_ie; | |
4bb62344 CYY |
1667 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1668 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1669 | |
581a8b0f | 1670 | /* allocate information elements */ |
c80d545d | 1671 | new_ie = NULL; |
581a8b0f | 1672 | old_ie = ifmsh->ie; |
c80d545d | 1673 | |
581a8b0f JC |
1674 | if (setup->ie_len) { |
1675 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1676 | GFP_KERNEL); |
1677 | if (!new_ie) | |
1678 | return -ENOMEM; | |
1679 | } | |
581a8b0f JC |
1680 | ifmsh->ie_len = setup->ie_len; |
1681 | ifmsh->ie = new_ie; | |
1682 | kfree(old_ie); | |
c80d545d JC |
1683 | |
1684 | /* now copy the rest of the setup parameters */ | |
1685 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1686 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1687 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1688 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1689 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1690 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1691 | if (setup->is_authenticated) | |
1692 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1693 | if (setup->is_secure) | |
1694 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1695 | |
4bb62344 CYY |
1696 | /* mcast rate setting in Mesh Node */ |
1697 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1698 | sizeof(setup->mcast_rate)); | |
1699 | ||
9bdbf04d MP |
1700 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1701 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1702 | ||
c80d545d JC |
1703 | return 0; |
1704 | } | |
1705 | ||
24bdd9f4 | 1706 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1707 | struct net_device *dev, u32 mask, |
1708 | const struct mesh_config *nconf) | |
93da9cc1 | 1709 | { |
1710 | struct mesh_config *conf; | |
1711 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1712 | struct ieee80211_if_mesh *ifmsh; |
1713 | ||
93da9cc1 | 1714 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1715 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1716 | |
93da9cc1 | 1717 | /* Set the config options which we are interested in setting */ |
1718 | conf = &(sdata->u.mesh.mshcfg); | |
1719 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1720 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1721 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1722 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1723 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1724 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1725 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1726 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1727 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1728 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1729 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1730 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1731 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1732 | conf->element_ttl = nconf->element_ttl; |
93da9cc1 | 1733 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1734 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
d299a1f2 JC |
1735 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1736 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1737 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1738 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1739 | conf->dot11MeshHWMPmaxPREQretries = | |
1740 | nconf->dot11MeshHWMPmaxPREQretries; | |
1741 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1742 | conf->path_refresh_time = nconf->path_refresh_time; | |
1743 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1744 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1745 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1746 | conf->dot11MeshHWMPactivePathTimeout = | |
1747 | nconf->dot11MeshHWMPactivePathTimeout; | |
1748 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1749 | conf->dot11MeshHWMPpreqMinInterval = | |
1750 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1751 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1752 | conf->dot11MeshHWMPperrMinInterval = | |
1753 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1754 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1755 | mask)) | |
1756 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1757 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1758 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1759 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1760 | ieee80211_mesh_root_setup(ifmsh); | |
1761 | } | |
16dd7267 | 1762 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1763 | /* our current gate announcement implementation rides on root |
1764 | * announcements, so require this ifmsh to also be a root node | |
1765 | * */ | |
1766 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1767 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1768 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1769 | ieee80211_mesh_root_setup(ifmsh); |
1770 | } | |
16dd7267 JC |
1771 | conf->dot11MeshGateAnnouncementProtocol = |
1772 | nconf->dot11MeshGateAnnouncementProtocol; | |
1773 | } | |
a4f606ea | 1774 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1775 | conf->dot11MeshHWMPRannInterval = |
1776 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1777 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1778 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1779 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1780 | /* our RSSI threshold implementation is supported only for | |
1781 | * devices that report signal in dBm. | |
1782 | */ | |
1783 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1784 | return -ENOTSUPP; | |
1785 | conf->rssi_threshold = nconf->rssi_threshold; | |
1786 | } | |
70c33eaa AN |
1787 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1788 | conf->ht_opmode = nconf->ht_opmode; | |
1789 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1790 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1791 | } | |
ac1073a6 CYY |
1792 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1793 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1794 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1795 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1796 | conf->dot11MeshHWMProotInterval = | |
1797 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1798 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1799 | conf->dot11MeshHWMPconfirmationInterval = | |
1800 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1801 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1802 | conf->power_mode = nconf->power_mode; | |
1803 | ieee80211_mps_local_status_update(sdata); | |
1804 | } | |
2b5e1967 | 1805 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1806 | conf->dot11MeshAwakeWindowDuration = |
1807 | nconf->dot11MeshAwakeWindowDuration; | |
2b5e1967 | 1808 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1809 | return 0; |
1810 | } | |
1811 | ||
29cbe68c JB |
1812 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1813 | const struct mesh_config *conf, | |
1814 | const struct mesh_setup *setup) | |
1815 | { | |
1816 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1817 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1818 | int err; |
29cbe68c | 1819 | |
c80d545d JC |
1820 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1821 | err = copy_mesh_setup(ifmsh, setup); | |
1822 | if (err) | |
1823 | return err; | |
cc1d2806 | 1824 | |
04ecd257 JB |
1825 | /* can mesh use other SMPS modes? */ |
1826 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1827 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1828 | ||
4bf88530 | 1829 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1830 | IEEE80211_CHANCTX_SHARED); |
cc1d2806 JB |
1831 | if (err) |
1832 | return err; | |
1833 | ||
2b5e1967 | 1834 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1835 | } |
1836 | ||
1837 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1838 | { | |
1839 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1840 | ||
1841 | ieee80211_stop_mesh(sdata); | |
55de908a | 1842 | ieee80211_vif_release_channel(sdata); |
29cbe68c JB |
1843 | |
1844 | return 0; | |
1845 | } | |
c5dd9c2b LCC |
1846 | #endif |
1847 | ||
9f1ba906 JM |
1848 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1849 | struct net_device *dev, | |
1850 | struct bss_parameters *params) | |
1851 | { | |
55de908a JB |
1852 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1853 | enum ieee80211_band band; | |
9f1ba906 JM |
1854 | u32 changed = 0; |
1855 | ||
55de908a JB |
1856 | if (!rtnl_dereference(sdata->u.ap.beacon)) |
1857 | return -ENOENT; | |
1858 | ||
1859 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1860 | |
9f1ba906 | 1861 | if (params->use_cts_prot >= 0) { |
bda3933a | 1862 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1863 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1864 | } | |
1865 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1866 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1867 | params->use_short_preamble; |
1868 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1869 | } | |
43d35343 FF |
1870 | |
1871 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1872 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1873 | sdata->vif.bss_conf.use_short_slot = true; |
1874 | changed |= BSS_CHANGED_ERP_SLOT; | |
1875 | } | |
1876 | ||
9f1ba906 | 1877 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1878 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1879 | params->use_short_slot_time; |
1880 | changed |= BSS_CHANGED_ERP_SLOT; | |
1881 | } | |
1882 | ||
90c97a04 JM |
1883 | if (params->basic_rates) { |
1884 | int i, j; | |
1885 | u32 rates = 0; | |
55de908a | 1886 | struct ieee80211_supported_band *sband = wiphy->bands[band]; |
90c97a04 JM |
1887 | |
1888 | for (i = 0; i < params->basic_rates_len; i++) { | |
1889 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1890 | for (j = 0; j < sband->n_bitrates; j++) { | |
1891 | if (sband->bitrates[j].bitrate == rate) | |
1892 | rates |= BIT(j); | |
1893 | } | |
1894 | } | |
1895 | sdata->vif.bss_conf.basic_rates = rates; | |
1896 | changed |= BSS_CHANGED_BASIC_RATES; | |
1897 | } | |
1898 | ||
7b7b5e56 FF |
1899 | if (params->ap_isolate >= 0) { |
1900 | if (params->ap_isolate) | |
1901 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1902 | else | |
1903 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1904 | } | |
1905 | ||
80d7e403 HS |
1906 | if (params->ht_opmode >= 0) { |
1907 | sdata->vif.bss_conf.ht_operation_mode = | |
1908 | (u16) params->ht_opmode; | |
1909 | changed |= BSS_CHANGED_HT; | |
1910 | } | |
1911 | ||
339afbf4 JB |
1912 | if (params->p2p_ctwindow >= 0) { |
1913 | sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; | |
1914 | changed |= BSS_CHANGED_P2P_PS; | |
1915 | } | |
1916 | ||
1917 | if (params->p2p_opp_ps >= 0) { | |
1918 | sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; | |
1919 | changed |= BSS_CHANGED_P2P_PS; | |
1920 | } | |
1921 | ||
9f1ba906 JM |
1922 | ieee80211_bss_info_change_notify(sdata, changed); |
1923 | ||
1924 | return 0; | |
1925 | } | |
1926 | ||
31888487 | 1927 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1928 | struct net_device *dev, |
31888487 JM |
1929 | struct ieee80211_txq_params *params) |
1930 | { | |
1931 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1932 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1933 | struct ieee80211_tx_queue_params p; |
1934 | ||
1935 | if (!local->ops->conf_tx) | |
1936 | return -EOPNOTSUPP; | |
1937 | ||
54bcbc69 JB |
1938 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1939 | return -EOPNOTSUPP; | |
1940 | ||
31888487 JM |
1941 | memset(&p, 0, sizeof(p)); |
1942 | p.aifs = params->aifs; | |
1943 | p.cw_max = params->cwmax; | |
1944 | p.cw_min = params->cwmin; | |
1945 | p.txop = params->txop; | |
ab13315a KV |
1946 | |
1947 | /* | |
1948 | * Setting tx queue params disables u-apsd because it's only | |
1949 | * called in master mode. | |
1950 | */ | |
1951 | p.uapsd = false; | |
1952 | ||
a3304b0a JB |
1953 | sdata->tx_conf[params->ac] = p; |
1954 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1955 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1956 | "failed to set TX queue parameters for AC %d\n", |
1957 | params->ac); | |
31888487 JM |
1958 | return -EINVAL; |
1959 | } | |
1960 | ||
7d25745d JB |
1961 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1962 | ||
31888487 JM |
1963 | return 0; |
1964 | } | |
1965 | ||
665af4fc | 1966 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1967 | static int ieee80211_suspend(struct wiphy *wiphy, |
1968 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1969 | { |
eecc4800 | 1970 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1971 | } |
1972 | ||
1973 | static int ieee80211_resume(struct wiphy *wiphy) | |
1974 | { | |
1975 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1976 | } | |
1977 | #else | |
1978 | #define ieee80211_suspend NULL | |
1979 | #define ieee80211_resume NULL | |
1980 | #endif | |
1981 | ||
2a519311 | 1982 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1983 | struct cfg80211_scan_request *req) |
1984 | { | |
fd014284 JB |
1985 | struct ieee80211_sub_if_data *sdata; |
1986 | ||
1987 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1988 | |
2ca27bcf JB |
1989 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1990 | case NL80211_IFTYPE_STATION: | |
1991 | case NL80211_IFTYPE_ADHOC: | |
1992 | case NL80211_IFTYPE_MESH_POINT: | |
1993 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1994 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1995 | break; |
1996 | case NL80211_IFTYPE_P2P_GO: | |
1997 | if (sdata->local->ops->hw_scan) | |
1998 | break; | |
e9d7732e JB |
1999 | /* |
2000 | * FIXME: implement NoA while scanning in software, | |
2001 | * for now fall through to allow scanning only when | |
2002 | * beaconing hasn't been configured yet | |
2003 | */ | |
2ca27bcf | 2004 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2005 | /* |
2006 | * If the scan has been forced (and the driver supports | |
2007 | * forcing), don't care about being beaconing already. | |
2008 | * This will create problems to the attached stations (e.g. all | |
2009 | * the frames sent while scanning on other channel will be | |
2010 | * lost) | |
2011 | */ | |
2012 | if (sdata->u.ap.beacon && | |
2013 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2014 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2015 | return -EOPNOTSUPP; |
2016 | break; | |
2017 | default: | |
2018 | return -EOPNOTSUPP; | |
2019 | } | |
2a519311 JB |
2020 | |
2021 | return ieee80211_request_scan(sdata, req); | |
2022 | } | |
2023 | ||
79f460ca LC |
2024 | static int |
2025 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2026 | struct net_device *dev, | |
2027 | struct cfg80211_sched_scan_request *req) | |
2028 | { | |
2029 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2030 | ||
2031 | if (!sdata->local->ops->sched_scan_start) | |
2032 | return -EOPNOTSUPP; | |
2033 | ||
2034 | return ieee80211_request_sched_scan_start(sdata, req); | |
2035 | } | |
2036 | ||
2037 | static int | |
85a9994a | 2038 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2039 | { |
2040 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2041 | ||
2042 | if (!sdata->local->ops->sched_scan_stop) | |
2043 | return -EOPNOTSUPP; | |
2044 | ||
85a9994a | 2045 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2046 | } |
2047 | ||
636a5d36 JM |
2048 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2049 | struct cfg80211_auth_request *req) | |
2050 | { | |
77fdaa12 | 2051 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2052 | } |
2053 | ||
2054 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2055 | struct cfg80211_assoc_request *req) | |
2056 | { | |
77fdaa12 | 2057 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2058 | } |
2059 | ||
2060 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2061 | struct cfg80211_deauth_request *req) |
636a5d36 | 2062 | { |
63c9c5e7 | 2063 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2064 | } |
2065 | ||
2066 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2067 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2068 | { |
63c9c5e7 | 2069 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2070 | } |
2071 | ||
af8cdcd8 JB |
2072 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2073 | struct cfg80211_ibss_params *params) | |
2074 | { | |
55de908a | 2075 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2076 | } |
2077 | ||
2078 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2079 | { | |
55de908a | 2080 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2081 | } |
2082 | ||
391e53e3 AQ |
2083 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2084 | int rate[IEEE80211_NUM_BANDS]) | |
2085 | { | |
2086 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2087 | ||
9887dbf5 CD |
2088 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2089 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2090 | |
2091 | return 0; | |
2092 | } | |
2093 | ||
b9a5f8ca JM |
2094 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2095 | { | |
2096 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2097 | int err; |
b9a5f8ca | 2098 | |
f23a4780 AN |
2099 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2100 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2101 | ||
2102 | if (err) | |
2103 | return err; | |
2104 | } | |
2105 | ||
310bc676 LT |
2106 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
2107 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
2108 | ||
2109 | if (err) | |
2110 | return err; | |
2111 | } | |
2112 | ||
b9a5f8ca | 2113 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2114 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2115 | |
24487981 JB |
2116 | if (err) |
2117 | return err; | |
b9a5f8ca JM |
2118 | } |
2119 | ||
8bc83c24 JB |
2120 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2121 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2122 | return -EINVAL; | |
b9a5f8ca | 2123 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2124 | } |
2125 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2126 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2127 | return -EINVAL; | |
b9a5f8ca | 2128 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2129 | } |
b9a5f8ca JM |
2130 | if (changed & |
2131 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2132 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2133 | ||
2134 | return 0; | |
2135 | } | |
2136 | ||
7643a2c3 | 2137 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2138 | struct wireless_dev *wdev, |
fa61cf70 | 2139 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2140 | { |
2141 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2142 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2143 | |
1ea6f9c0 JB |
2144 | if (wdev) { |
2145 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2146 | ||
2147 | switch (type) { | |
2148 | case NL80211_TX_POWER_AUTOMATIC: | |
2149 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2150 | break; | |
2151 | case NL80211_TX_POWER_LIMITED: | |
2152 | case NL80211_TX_POWER_FIXED: | |
2153 | if (mbm < 0 || (mbm % 100)) | |
2154 | return -EOPNOTSUPP; | |
2155 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2156 | break; | |
2157 | } | |
2158 | ||
2159 | ieee80211_recalc_txpower(sdata); | |
2160 | ||
2161 | return 0; | |
2162 | } | |
55de908a | 2163 | |
7643a2c3 | 2164 | switch (type) { |
fa61cf70 | 2165 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2166 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2167 | break; |
fa61cf70 | 2168 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2169 | case NL80211_TX_POWER_FIXED: |
2170 | if (mbm < 0 || (mbm % 100)) | |
2171 | return -EOPNOTSUPP; | |
fa61cf70 | 2172 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2173 | break; |
7643a2c3 JB |
2174 | } |
2175 | ||
1ea6f9c0 JB |
2176 | mutex_lock(&local->iflist_mtx); |
2177 | list_for_each_entry(sdata, &local->interfaces, list) | |
2178 | sdata->user_power_level = local->user_power_level; | |
2179 | list_for_each_entry(sdata, &local->interfaces, list) | |
2180 | ieee80211_recalc_txpower(sdata); | |
2181 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2182 | |
2183 | return 0; | |
2184 | } | |
2185 | ||
c8442118 JB |
2186 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2187 | struct wireless_dev *wdev, | |
2188 | int *dbm) | |
7643a2c3 JB |
2189 | { |
2190 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2191 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2192 | |
1ea6f9c0 JB |
2193 | if (!local->use_chanctx) |
2194 | *dbm = local->hw.conf.power_level; | |
2195 | else | |
2196 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2197 | |
7643a2c3 JB |
2198 | return 0; |
2199 | } | |
2200 | ||
ab737a4f | 2201 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2202 | const u8 *addr) |
ab737a4f JB |
2203 | { |
2204 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2205 | ||
2206 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2207 | ||
2208 | return 0; | |
2209 | } | |
2210 | ||
1f87f7d3 JB |
2211 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2212 | { | |
2213 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2214 | ||
2215 | drv_rfkill_poll(local); | |
2216 | } | |
2217 | ||
aff89a9b | 2218 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 2219 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
2220 | { |
2221 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2222 | ||
2223 | if (!local->ops->testmode_cmd) | |
2224 | return -EOPNOTSUPP; | |
2225 | ||
2226 | return local->ops->testmode_cmd(&local->hw, data, len); | |
2227 | } | |
71063f0e WYG |
2228 | |
2229 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2230 | struct sk_buff *skb, | |
2231 | struct netlink_callback *cb, | |
2232 | void *data, int len) | |
2233 | { | |
2234 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2235 | ||
2236 | if (!local->ops->testmode_dump) | |
2237 | return -EOPNOTSUPP; | |
2238 | ||
2239 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2240 | } | |
aff89a9b JB |
2241 | #endif |
2242 | ||
0f78231b JB |
2243 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2244 | enum ieee80211_smps_mode smps_mode) | |
2245 | { | |
2246 | const u8 *ap; | |
2247 | enum ieee80211_smps_mode old_req; | |
2248 | int err; | |
2249 | ||
243e6df4 JB |
2250 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2251 | ||
0f78231b JB |
2252 | old_req = sdata->u.mgd.req_smps; |
2253 | sdata->u.mgd.req_smps = smps_mode; | |
2254 | ||
2255 | if (old_req == smps_mode && | |
2256 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2257 | return 0; | |
2258 | ||
2259 | /* | |
2260 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2261 | * association, there's no need to do anything, just store |
2262 | * the new value until we associate. | |
0f78231b JB |
2263 | */ |
2264 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2265 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2266 | return 0; |
0f78231b | 2267 | |
0c1ad2ca | 2268 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2269 | |
2270 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2271 | if (sdata->u.mgd.powersave) | |
2272 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2273 | else | |
2274 | smps_mode = IEEE80211_SMPS_OFF; | |
2275 | } | |
2276 | ||
2277 | /* send SM PS frame to AP */ | |
2278 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2279 | ap, ap); | |
2280 | if (err) | |
2281 | sdata->u.mgd.req_smps = old_req; | |
2282 | ||
2283 | return err; | |
2284 | } | |
2285 | ||
bc92afd9 JB |
2286 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2287 | bool enabled, int timeout) | |
2288 | { | |
2289 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2290 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2291 | |
ee1f6681 CYY |
2292 | if (sdata->vif.type != NL80211_IFTYPE_STATION && |
2293 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
e5de30c9 BP |
2294 | return -EOPNOTSUPP; |
2295 | ||
bc92afd9 JB |
2296 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2297 | return -EOPNOTSUPP; | |
2298 | ||
2299 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2300 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2301 | return 0; |
2302 | ||
2303 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2304 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2305 | |
0f78231b JB |
2306 | /* no change, but if automatic follow powersave */ |
2307 | mutex_lock(&sdata->u.mgd.mtx); | |
2308 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2309 | mutex_unlock(&sdata->u.mgd.mtx); | |
2310 | ||
bc92afd9 JB |
2311 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2312 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2313 | ||
2314 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2315 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2316 | |
2317 | return 0; | |
2318 | } | |
2319 | ||
a97c13c3 JO |
2320 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2321 | struct net_device *dev, | |
2322 | s32 rssi_thold, u32 rssi_hyst) | |
2323 | { | |
2324 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2325 | struct ieee80211_vif *vif = &sdata->vif; |
2326 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2327 | ||
a97c13c3 JO |
2328 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2329 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2330 | return 0; | |
2331 | ||
2332 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2333 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2334 | ||
2335 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2336 | if (sdata->u.mgd.associated && |
2337 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2338 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2339 | ||
2340 | return 0; | |
2341 | } | |
2342 | ||
9930380f JB |
2343 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2344 | struct net_device *dev, | |
2345 | const u8 *addr, | |
2346 | const struct cfg80211_bitrate_mask *mask) | |
2347 | { | |
2348 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2349 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2350 | int i, ret; |
2c7e6bc9 | 2351 | |
554a43d5 EP |
2352 | if (!ieee80211_sdata_running(sdata)) |
2353 | return -ENETDOWN; | |
2354 | ||
bdbfd6b5 SM |
2355 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2356 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2357 | if (ret) | |
2358 | return ret; | |
2359 | } | |
9930380f | 2360 | |
19468413 | 2361 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2362 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2363 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2364 | sizeof(mask->control[i].mcs)); | |
2365 | } | |
9930380f | 2366 | |
37eb0b16 | 2367 | return 0; |
9930380f JB |
2368 | } |
2369 | ||
2eb278e0 JB |
2370 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2371 | struct ieee80211_sub_if_data *sdata, | |
2372 | struct ieee80211_channel *channel, | |
2eb278e0 JB |
2373 | unsigned int duration, u64 *cookie, |
2374 | struct sk_buff *txskb) | |
2375 | { | |
2376 | struct ieee80211_roc_work *roc, *tmp; | |
2377 | bool queued = false; | |
21f83589 | 2378 | int ret; |
21f83589 JB |
2379 | |
2380 | lockdep_assert_held(&local->mtx); | |
2381 | ||
fe57d9f5 JB |
2382 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2383 | return -EOPNOTSUPP; | |
2384 | ||
2eb278e0 JB |
2385 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2386 | if (!roc) | |
2387 | return -ENOMEM; | |
2388 | ||
2389 | roc->chan = channel; | |
2eb278e0 JB |
2390 | roc->duration = duration; |
2391 | roc->req_duration = duration; | |
2392 | roc->frame = txskb; | |
2393 | roc->mgmt_tx_cookie = (unsigned long)txskb; | |
2394 | roc->sdata = sdata; | |
2395 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2396 | INIT_LIST_HEAD(&roc->dependents); | |
2397 | ||
2398 | /* if there's one pending or we're scanning, queue this one */ | |
164eb02d SW |
2399 | if (!list_empty(&local->roc_list) || |
2400 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2401 | goto out_check_combine; |
2402 | ||
2403 | /* if not HW assist, just queue & schedule work */ | |
2404 | if (!local->ops->remain_on_channel) { | |
2405 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2406 | goto out_queue; | |
2407 | } | |
2408 | ||
2409 | /* otherwise actually kick it off here (for error handling) */ | |
2410 | ||
2411 | /* | |
2412 | * If the duration is zero, then the driver | |
2413 | * wouldn't actually do anything. Set it to | |
2414 | * 10 for now. | |
2415 | * | |
2416 | * TODO: cancel the off-channel operation | |
2417 | * when we get the SKB's TX status and | |
2418 | * the wait time was zero before. | |
2419 | */ | |
2420 | if (!duration) | |
2421 | duration = 10; | |
2422 | ||
42d97a59 | 2423 | ret = drv_remain_on_channel(local, sdata, channel, duration); |
21f83589 | 2424 | if (ret) { |
2eb278e0 JB |
2425 | kfree(roc); |
2426 | return ret; | |
21f83589 JB |
2427 | } |
2428 | ||
2eb278e0 JB |
2429 | roc->started = true; |
2430 | goto out_queue; | |
2431 | ||
2432 | out_check_combine: | |
2433 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2434 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2435 | continue; |
2436 | ||
2437 | /* | |
2438 | * Extend this ROC if possible: | |
2439 | * | |
2440 | * If it hasn't started yet, just increase the duration | |
2441 | * and add the new one to the list of dependents. | |
2442 | */ | |
2443 | if (!tmp->started) { | |
2444 | list_add_tail(&roc->list, &tmp->dependents); | |
2445 | tmp->duration = max(tmp->duration, roc->duration); | |
2446 | queued = true; | |
2447 | break; | |
2448 | } | |
2449 | ||
2450 | /* If it has already started, it's more difficult ... */ | |
2451 | if (local->ops->remain_on_channel) { | |
2452 | unsigned long j = jiffies; | |
2453 | ||
2454 | /* | |
2455 | * In the offloaded ROC case, if it hasn't begun, add | |
2456 | * this new one to the dependent list to be handled | |
2457 | * when the the master one begins. If it has begun, | |
2458 | * check that there's still a minimum time left and | |
2459 | * if so, start this one, transmitting the frame, but | |
2460 | * add it to the list directly after this one with a | |
2461 | * a reduced time so we'll ask the driver to execute | |
2462 | * it right after finishing the previous one, in the | |
2463 | * hope that it'll also be executed right afterwards, | |
2464 | * effectively extending the old one. | |
2465 | * If there's no minimum time left, just add it to the | |
2466 | * normal list. | |
2467 | */ | |
2468 | if (!tmp->hw_begun) { | |
2469 | list_add_tail(&roc->list, &tmp->dependents); | |
2470 | queued = true; | |
2471 | break; | |
2472 | } | |
2473 | ||
2474 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2475 | tmp->hw_start_time + | |
2476 | msecs_to_jiffies(tmp->duration))) { | |
2477 | int new_dur; | |
2478 | ||
2479 | ieee80211_handle_roc_started(roc); | |
2480 | ||
2481 | new_dur = roc->duration - | |
2482 | jiffies_to_msecs(tmp->hw_start_time + | |
2483 | msecs_to_jiffies( | |
2484 | tmp->duration) - | |
2485 | j); | |
2486 | ||
2487 | if (new_dur > 0) { | |
2488 | /* add right after tmp */ | |
2489 | list_add(&roc->list, &tmp->list); | |
2490 | } else { | |
2491 | list_add_tail(&roc->list, | |
2492 | &tmp->dependents); | |
2493 | } | |
2494 | queued = true; | |
2495 | } | |
2496 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2497 | unsigned long new_end; | |
2498 | ||
2499 | /* | |
2500 | * In the software ROC case, cancel the timer, if | |
2501 | * that fails then the finish work is already | |
2502 | * queued/pending and thus we queue the new ROC | |
2503 | * normally, if that succeeds then we can extend | |
2504 | * the timer duration and TX the frame (if any.) | |
2505 | */ | |
2506 | ||
2507 | list_add_tail(&roc->list, &tmp->dependents); | |
2508 | queued = true; | |
2509 | ||
2510 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2511 | ||
2512 | /* ok, it was started & we canceled timer */ | |
2513 | if (time_after(new_end, tmp->work.timer.expires)) | |
2514 | mod_timer(&tmp->work.timer, new_end); | |
2515 | else | |
2516 | add_timer(&tmp->work.timer); | |
2517 | ||
2518 | ieee80211_handle_roc_started(roc); | |
2519 | } | |
2520 | break; | |
2521 | } | |
2522 | ||
2523 | out_queue: | |
2524 | if (!queued) | |
2525 | list_add_tail(&roc->list, &local->roc_list); | |
2526 | ||
2527 | /* | |
50febf6a | 2528 | * cookie is either the roc cookie (for normal roc) |
2eb278e0 JB |
2529 | * or the SKB (for mgmt TX) |
2530 | */ | |
50febf6a JB |
2531 | if (!txskb) { |
2532 | /* local->mtx protects this */ | |
2533 | local->roc_cookie_counter++; | |
2534 | roc->cookie = local->roc_cookie_counter; | |
2535 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2536 | if (WARN_ON(roc->cookie == 0)) { | |
2537 | roc->cookie = 1; | |
2538 | local->roc_cookie_counter++; | |
2539 | } | |
2540 | *cookie = roc->cookie; | |
2541 | } else { | |
2eb278e0 | 2542 | *cookie = (unsigned long)txskb; |
50febf6a | 2543 | } |
2eb278e0 JB |
2544 | |
2545 | return 0; | |
21f83589 JB |
2546 | } |
2547 | ||
b8bc4b0a | 2548 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2549 | struct wireless_dev *wdev, |
b8bc4b0a | 2550 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2551 | unsigned int duration, |
2552 | u64 *cookie) | |
2553 | { | |
71bbc994 | 2554 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2555 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2556 | int ret; |
21f83589 | 2557 | |
2eb278e0 | 2558 | mutex_lock(&local->mtx); |
42d97a59 | 2559 | ret = ieee80211_start_roc_work(local, sdata, chan, |
2eb278e0 JB |
2560 | duration, cookie, NULL); |
2561 | mutex_unlock(&local->mtx); | |
b8bc4b0a | 2562 | |
2eb278e0 | 2563 | return ret; |
b8bc4b0a JB |
2564 | } |
2565 | ||
2eb278e0 JB |
2566 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2567 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2568 | { |
2eb278e0 | 2569 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2570 | int ret; |
2571 | ||
2eb278e0 JB |
2572 | mutex_lock(&local->mtx); |
2573 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2574 | struct ieee80211_roc_work *dep, *tmp2; |
2575 | ||
2576 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2577 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2578 | continue; |
2579 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2580 | continue; | |
2581 | /* found dependent item -- just remove it */ | |
2582 | list_del(&dep->list); | |
2583 | mutex_unlock(&local->mtx); | |
2584 | ||
2585 | ieee80211_roc_notify_destroy(dep); | |
2586 | return 0; | |
2587 | } | |
2588 | ||
50febf6a | 2589 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2590 | continue; |
2591 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2592 | continue; | |
21f83589 | 2593 | |
2eb278e0 JB |
2594 | found = roc; |
2595 | break; | |
2596 | } | |
21f83589 | 2597 | |
2eb278e0 JB |
2598 | if (!found) { |
2599 | mutex_unlock(&local->mtx); | |
2600 | return -ENOENT; | |
2601 | } | |
21f83589 | 2602 | |
e979e33c JB |
2603 | /* |
2604 | * We found the item to cancel, so do that. Note that it | |
2605 | * may have dependents, which we also cancel (and send | |
2606 | * the expired signal for.) Not doing so would be quite | |
2607 | * tricky here, but we may need to fix it later. | |
2608 | */ | |
2609 | ||
2eb278e0 JB |
2610 | if (local->ops->remain_on_channel) { |
2611 | if (found->started) { | |
2612 | ret = drv_cancel_remain_on_channel(local); | |
2613 | if (WARN_ON_ONCE(ret)) { | |
2614 | mutex_unlock(&local->mtx); | |
2615 | return ret; | |
2616 | } | |
2617 | } | |
21f83589 | 2618 | |
2eb278e0 | 2619 | list_del(&found->list); |
21f83589 | 2620 | |
0f6b3f59 JB |
2621 | if (found->started) |
2622 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2623 | mutex_unlock(&local->mtx); |
21f83589 | 2624 | |
2eb278e0 JB |
2625 | ieee80211_roc_notify_destroy(found); |
2626 | } else { | |
2627 | /* work may be pending so use it all the time */ | |
2628 | found->abort = true; | |
2629 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2630 | |
21f83589 JB |
2631 | mutex_unlock(&local->mtx); |
2632 | ||
2eb278e0 JB |
2633 | /* work will clean up etc */ |
2634 | flush_delayed_work(&found->work); | |
21f83589 | 2635 | } |
b8bc4b0a | 2636 | |
2eb278e0 | 2637 | return 0; |
b8bc4b0a JB |
2638 | } |
2639 | ||
2eb278e0 | 2640 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2641 | struct wireless_dev *wdev, |
2eb278e0 | 2642 | u64 cookie) |
f30221e4 | 2643 | { |
71bbc994 | 2644 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2645 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2646 | |
2eb278e0 | 2647 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2648 | } |
2649 | ||
164eb02d SW |
2650 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2651 | struct net_device *dev, | |
2652 | struct cfg80211_chan_def *chandef) | |
2653 | { | |
2654 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2655 | struct ieee80211_local *local = sdata->local; | |
2656 | unsigned long timeout; | |
2657 | int err; | |
2658 | ||
2659 | if (!list_empty(&local->roc_list) || local->scanning) | |
2660 | return -EBUSY; | |
2661 | ||
2662 | /* whatever, but channel contexts should not complain about that one */ | |
2663 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2664 | sdata->needed_rx_chains = local->rx_chains; | |
2665 | sdata->radar_required = true; | |
2666 | ||
2667 | mutex_lock(&local->iflist_mtx); | |
2668 | err = ieee80211_vif_use_channel(sdata, chandef, | |
2669 | IEEE80211_CHANCTX_SHARED); | |
2670 | mutex_unlock(&local->iflist_mtx); | |
2671 | if (err) | |
2672 | return err; | |
2673 | ||
2674 | timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); | |
2675 | ieee80211_queue_delayed_work(&sdata->local->hw, | |
2676 | &sdata->dfs_cac_timer_work, timeout); | |
2677 | ||
2678 | return 0; | |
2679 | } | |
2680 | ||
71bbc994 | 2681 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2682 | struct ieee80211_channel *chan, bool offchan, |
42d97a59 JB |
2683 | unsigned int wait, const u8 *buf, size_t len, |
2684 | bool no_cck, bool dont_wait_for_ack, u64 *cookie) | |
026331c4 | 2685 | { |
71bbc994 | 2686 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2687 | struct ieee80211_local *local = sdata->local; |
2688 | struct sk_buff *skb; | |
2689 | struct sta_info *sta; | |
2690 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2691 | bool need_offchan = false; |
e247bd90 | 2692 | u32 flags; |
2eb278e0 | 2693 | int ret; |
f7ca38df | 2694 | |
e247bd90 JB |
2695 | if (dont_wait_for_ack) |
2696 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2697 | else | |
2698 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2699 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2700 | ||
aad14ceb RM |
2701 | if (no_cck) |
2702 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2703 | ||
9d38d85d JB |
2704 | switch (sdata->vif.type) { |
2705 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2706 | if (!sdata->vif.bss_conf.ibss_joined) |
2707 | need_offchan = true; | |
2708 | /* fall through */ | |
2709 | #ifdef CONFIG_MAC80211_MESH | |
2710 | case NL80211_IFTYPE_MESH_POINT: | |
2711 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2712 | !sdata->u.mesh.mesh_id_len) | |
2713 | need_offchan = true; | |
2714 | /* fall through */ | |
2715 | #endif | |
663fcafd JB |
2716 | case NL80211_IFTYPE_AP: |
2717 | case NL80211_IFTYPE_AP_VLAN: | |
2718 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2719 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2720 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2721 | !rcu_access_pointer(sdata->bss->beacon)) | |
2722 | need_offchan = true; | |
663fcafd JB |
2723 | if (!ieee80211_is_action(mgmt->frame_control) || |
2724 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2725 | break; |
2726 | rcu_read_lock(); | |
2727 | sta = sta_info_get(sdata, mgmt->da); | |
2728 | rcu_read_unlock(); | |
2729 | if (!sta) | |
2730 | return -ENOLINK; | |
2731 | break; | |
2732 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2733 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2734 | if (!sdata->u.mgd.associated) |
2735 | need_offchan = true; | |
9d38d85d | 2736 | break; |
f142c6b9 JB |
2737 | case NL80211_IFTYPE_P2P_DEVICE: |
2738 | need_offchan = true; | |
2739 | break; | |
9d38d85d JB |
2740 | default: |
2741 | return -EOPNOTSUPP; | |
2742 | } | |
2743 | ||
2eb278e0 JB |
2744 | mutex_lock(&local->mtx); |
2745 | ||
2746 | /* Check if the operating channel is the requested channel */ | |
2747 | if (!need_offchan) { | |
55de908a JB |
2748 | struct ieee80211_chanctx_conf *chanctx_conf; |
2749 | ||
2750 | rcu_read_lock(); | |
2751 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
2752 | ||
42d97a59 | 2753 | if (chanctx_conf) |
4bf88530 | 2754 | need_offchan = chan != chanctx_conf->def.chan; |
42d97a59 | 2755 | else |
2eb278e0 | 2756 | need_offchan = true; |
55de908a | 2757 | rcu_read_unlock(); |
2eb278e0 JB |
2758 | } |
2759 | ||
2760 | if (need_offchan && !offchan) { | |
2761 | ret = -EBUSY; | |
2762 | goto out_unlock; | |
2763 | } | |
2764 | ||
9d38d85d | 2765 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2766 | if (!skb) { |
2767 | ret = -ENOMEM; | |
2768 | goto out_unlock; | |
2769 | } | |
9d38d85d JB |
2770 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2771 | ||
2772 | memcpy(skb_put(skb, len), buf, len); | |
2773 | ||
2774 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2775 | ||
2776 | skb->dev = sdata->dev; | |
9d38d85d | 2777 | |
2eb278e0 | 2778 | if (!need_offchan) { |
7f9f78ab | 2779 | *cookie = (unsigned long) skb; |
f30221e4 | 2780 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2781 | ret = 0; |
2782 | goto out_unlock; | |
f30221e4 JB |
2783 | } |
2784 | ||
6c17b77b SF |
2785 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
2786 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
2787 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
2788 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2789 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2790 | |
2eb278e0 | 2791 | /* This will handle all kinds of coalescing and immediate TX */ |
42d97a59 | 2792 | ret = ieee80211_start_roc_work(local, sdata, chan, |
2eb278e0 JB |
2793 | wait, cookie, skb); |
2794 | if (ret) | |
2795 | kfree_skb(skb); | |
2796 | out_unlock: | |
2797 | mutex_unlock(&local->mtx); | |
2798 | return ret; | |
026331c4 JM |
2799 | } |
2800 | ||
f30221e4 | 2801 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2802 | struct wireless_dev *wdev, |
f30221e4 JB |
2803 | u64 cookie) |
2804 | { | |
71bbc994 | 2805 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2806 | |
2eb278e0 | 2807 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2808 | } |
2809 | ||
7be5086d | 2810 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2811 | struct wireless_dev *wdev, |
7be5086d JB |
2812 | u16 frame_type, bool reg) |
2813 | { | |
2814 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2815 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2816 | |
6abe0563 WH |
2817 | switch (frame_type) { |
2818 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2819 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2820 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2821 | |
6abe0563 WH |
2822 | if (reg) |
2823 | ifibss->auth_frame_registrations++; | |
2824 | else | |
2825 | ifibss->auth_frame_registrations--; | |
2826 | } | |
2827 | break; | |
2828 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2829 | if (reg) | |
2830 | local->probe_req_reg++; | |
2831 | else | |
2832 | local->probe_req_reg--; | |
7be5086d | 2833 | |
35f5149e FF |
2834 | if (!local->open_count) |
2835 | break; | |
2836 | ||
6abe0563 WH |
2837 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2838 | break; | |
2839 | default: | |
2840 | break; | |
2841 | } | |
7be5086d JB |
2842 | } |
2843 | ||
15d96753 BR |
2844 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2845 | { | |
2846 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2847 | ||
2848 | if (local->started) | |
2849 | return -EOPNOTSUPP; | |
2850 | ||
2851 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2852 | } | |
2853 | ||
2854 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2855 | { | |
2856 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2857 | ||
2858 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2859 | } | |
2860 | ||
38c09159 JL |
2861 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2862 | { | |
2863 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2864 | ||
2865 | return drv_set_ringparam(local, tx, rx); | |
2866 | } | |
2867 | ||
2868 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2869 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2870 | { | |
2871 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2872 | ||
2873 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2874 | } | |
2875 | ||
c68f4b89 JB |
2876 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2877 | struct net_device *dev, | |
2878 | struct cfg80211_gtk_rekey_data *data) | |
2879 | { | |
2880 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2881 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2882 | ||
2883 | if (!local->ops->set_rekey_data) | |
2884 | return -EOPNOTSUPP; | |
2885 | ||
2886 | drv_set_rekey_data(local, sdata, data); | |
2887 | ||
2888 | return 0; | |
2889 | } | |
2890 | ||
dfe018bf AN |
2891 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2892 | { | |
2893 | u8 *pos = (void *)skb_put(skb, 7); | |
2894 | ||
2895 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2896 | *pos++ = 5; /* len */ | |
2897 | *pos++ = 0x0; | |
2898 | *pos++ = 0x0; | |
2899 | *pos++ = 0x0; | |
2900 | *pos++ = 0x0; | |
2901 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2902 | } | |
2903 | ||
2904 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2905 | { | |
2906 | struct ieee80211_local *local = sdata->local; | |
2907 | u16 capab; | |
2908 | ||
2909 | capab = 0; | |
55de908a | 2910 | if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) |
dfe018bf AN |
2911 | return capab; |
2912 | ||
2913 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2914 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2915 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2916 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2917 | ||
2918 | return capab; | |
2919 | } | |
2920 | ||
2921 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2922 | u8 *peer, u8 *bssid) | |
2923 | { | |
2924 | struct ieee80211_tdls_lnkie *lnkid; | |
2925 | ||
2926 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2927 | ||
2928 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2929 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2930 | ||
2931 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2932 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2933 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2934 | } | |
2935 | ||
2936 | static int | |
2937 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2938 | u8 *peer, u8 action_code, u8 dialog_token, | |
2939 | u16 status_code, struct sk_buff *skb) | |
2940 | { | |
2941 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 2942 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
2943 | struct ieee80211_tdls_data *tf; |
2944 | ||
2945 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2946 | ||
2947 | memcpy(tf->da, peer, ETH_ALEN); | |
2948 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2949 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2950 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2951 | ||
2952 | switch (action_code) { | |
2953 | case WLAN_TDLS_SETUP_REQUEST: | |
2954 | tf->category = WLAN_CATEGORY_TDLS; | |
2955 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2956 | ||
2957 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2958 | tf->u.setup_req.dialog_token = dialog_token; | |
2959 | tf->u.setup_req.capability = | |
2960 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2961 | ||
55de908a JB |
2962 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2963 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2964 | ieee80211_tdls_add_ext_capab(skb); |
2965 | break; | |
2966 | case WLAN_TDLS_SETUP_RESPONSE: | |
2967 | tf->category = WLAN_CATEGORY_TDLS; | |
2968 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2969 | ||
2970 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2971 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2972 | tf->u.setup_resp.dialog_token = dialog_token; | |
2973 | tf->u.setup_resp.capability = | |
2974 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2975 | ||
55de908a JB |
2976 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2977 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2978 | ieee80211_tdls_add_ext_capab(skb); |
2979 | break; | |
2980 | case WLAN_TDLS_SETUP_CONFIRM: | |
2981 | tf->category = WLAN_CATEGORY_TDLS; | |
2982 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2983 | ||
2984 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2985 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2986 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2987 | break; | |
2988 | case WLAN_TDLS_TEARDOWN: | |
2989 | tf->category = WLAN_CATEGORY_TDLS; | |
2990 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2991 | ||
2992 | skb_put(skb, sizeof(tf->u.teardown)); | |
2993 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2994 | break; | |
2995 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2996 | tf->category = WLAN_CATEGORY_TDLS; | |
2997 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2998 | ||
2999 | skb_put(skb, sizeof(tf->u.discover_req)); | |
3000 | tf->u.discover_req.dialog_token = dialog_token; | |
3001 | break; | |
3002 | default: | |
3003 | return -EINVAL; | |
3004 | } | |
3005 | ||
3006 | return 0; | |
3007 | } | |
3008 | ||
3009 | static int | |
3010 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
3011 | u8 *peer, u8 action_code, u8 dialog_token, | |
3012 | u16 status_code, struct sk_buff *skb) | |
3013 | { | |
3014 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 3015 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
3016 | struct ieee80211_mgmt *mgmt; |
3017 | ||
3018 | mgmt = (void *)skb_put(skb, 24); | |
3019 | memset(mgmt, 0, 24); | |
3020 | memcpy(mgmt->da, peer, ETH_ALEN); | |
3021 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
3022 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
3023 | ||
3024 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3025 | IEEE80211_STYPE_ACTION); | |
3026 | ||
3027 | switch (action_code) { | |
3028 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3029 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
3030 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
3031 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
3032 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
3033 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
3034 | dialog_token; | |
3035 | mgmt->u.action.u.tdls_discover_resp.capability = | |
3036 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3037 | ||
55de908a JB |
3038 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3039 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3040 | ieee80211_tdls_add_ext_capab(skb); |
3041 | break; | |
3042 | default: | |
3043 | return -EINVAL; | |
3044 | } | |
3045 | ||
3046 | return 0; | |
3047 | } | |
3048 | ||
3049 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
3050 | u8 *peer, u8 action_code, u8 dialog_token, | |
3051 | u16 status_code, const u8 *extra_ies, | |
3052 | size_t extra_ies_len) | |
3053 | { | |
3054 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3055 | struct ieee80211_local *local = sdata->local; | |
dfe018bf AN |
3056 | struct sk_buff *skb = NULL; |
3057 | bool send_direct; | |
3058 | int ret; | |
3059 | ||
3060 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3061 | return -ENOTSUPP; | |
3062 | ||
3063 | /* make sure we are in managed mode, and associated */ | |
3064 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
3065 | !sdata->u.mgd.associated) | |
3066 | return -EINVAL; | |
3067 | ||
bdcbd8e0 JB |
3068 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
3069 | action_code, peer); | |
dfe018bf AN |
3070 | |
3071 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
3072 | max(sizeof(struct ieee80211_mgmt), | |
3073 | sizeof(struct ieee80211_tdls_data)) + | |
3074 | 50 + /* supported rates */ | |
3075 | 7 + /* ext capab */ | |
3076 | extra_ies_len + | |
3077 | sizeof(struct ieee80211_tdls_lnkie)); | |
3078 | if (!skb) | |
3079 | return -ENOMEM; | |
3080 | ||
dfe018bf AN |
3081 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3082 | ||
3083 | switch (action_code) { | |
3084 | case WLAN_TDLS_SETUP_REQUEST: | |
3085 | case WLAN_TDLS_SETUP_RESPONSE: | |
3086 | case WLAN_TDLS_SETUP_CONFIRM: | |
3087 | case WLAN_TDLS_TEARDOWN: | |
3088 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3089 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
3090 | action_code, dialog_token, | |
3091 | status_code, skb); | |
3092 | send_direct = false; | |
3093 | break; | |
3094 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3095 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
3096 | dialog_token, status_code, | |
3097 | skb); | |
3098 | send_direct = true; | |
3099 | break; | |
3100 | default: | |
3101 | ret = -ENOTSUPP; | |
3102 | break; | |
3103 | } | |
3104 | ||
3105 | if (ret < 0) | |
3106 | goto fail; | |
3107 | ||
3108 | if (extra_ies_len) | |
3109 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
3110 | ||
3111 | /* the TDLS link IE is always added last */ | |
3112 | switch (action_code) { | |
3113 | case WLAN_TDLS_SETUP_REQUEST: | |
3114 | case WLAN_TDLS_SETUP_CONFIRM: | |
3115 | case WLAN_TDLS_TEARDOWN: | |
3116 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3117 | /* we are the initiator */ | |
3118 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
3119 | sdata->u.mgd.bssid); | |
3120 | break; | |
3121 | case WLAN_TDLS_SETUP_RESPONSE: | |
3122 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3123 | /* we are the responder */ | |
3124 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
3125 | sdata->u.mgd.bssid); | |
3126 | break; | |
3127 | default: | |
3128 | ret = -ENOTSUPP; | |
3129 | goto fail; | |
3130 | } | |
3131 | ||
3132 | if (send_direct) { | |
3133 | ieee80211_tx_skb(sdata, skb); | |
3134 | return 0; | |
3135 | } | |
3136 | ||
3137 | /* | |
3138 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
3139 | * we should default to AC_VI. | |
3140 | */ | |
3141 | switch (action_code) { | |
3142 | case WLAN_TDLS_SETUP_REQUEST: | |
3143 | case WLAN_TDLS_SETUP_RESPONSE: | |
3144 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
3145 | skb->priority = 2; | |
3146 | break; | |
3147 | default: | |
3148 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
3149 | skb->priority = 5; | |
3150 | break; | |
3151 | } | |
3152 | ||
3153 | /* disable bottom halves when entering the Tx path */ | |
3154 | local_bh_disable(); | |
3155 | ret = ieee80211_subif_start_xmit(skb, dev); | |
3156 | local_bh_enable(); | |
3157 | ||
3158 | return ret; | |
3159 | ||
3160 | fail: | |
3161 | dev_kfree_skb(skb); | |
3162 | return ret; | |
3163 | } | |
3164 | ||
3165 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
3166 | u8 *peer, enum nl80211_tdls_operation oper) | |
3167 | { | |
941c93cd | 3168 | struct sta_info *sta; |
dfe018bf AN |
3169 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3170 | ||
3171 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3172 | return -ENOTSUPP; | |
3173 | ||
3174 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3175 | return -EINVAL; | |
3176 | ||
bdcbd8e0 | 3177 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
3178 | |
3179 | switch (oper) { | |
3180 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
3181 | rcu_read_lock(); |
3182 | sta = sta_info_get(sdata, peer); | |
3183 | if (!sta) { | |
3184 | rcu_read_unlock(); | |
3185 | return -ENOLINK; | |
3186 | } | |
3187 | ||
c2c98fde | 3188 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 3189 | rcu_read_unlock(); |
dfe018bf AN |
3190 | break; |
3191 | case NL80211_TDLS_DISABLE_LINK: | |
3192 | return sta_info_destroy_addr(sdata, peer); | |
3193 | case NL80211_TDLS_TEARDOWN: | |
3194 | case NL80211_TDLS_SETUP: | |
3195 | case NL80211_TDLS_DISCOVERY_REQ: | |
3196 | /* We don't support in-driver setup/teardown/discovery */ | |
3197 | return -ENOTSUPP; | |
3198 | default: | |
3199 | return -ENOTSUPP; | |
3200 | } | |
3201 | ||
3202 | return 0; | |
3203 | } | |
3204 | ||
06500736 JB |
3205 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3206 | const u8 *peer, u64 *cookie) | |
3207 | { | |
3208 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3209 | struct ieee80211_local *local = sdata->local; | |
3210 | struct ieee80211_qos_hdr *nullfunc; | |
3211 | struct sk_buff *skb; | |
3212 | int size = sizeof(*nullfunc); | |
3213 | __le16 fc; | |
3214 | bool qos; | |
3215 | struct ieee80211_tx_info *info; | |
3216 | struct sta_info *sta; | |
55de908a JB |
3217 | struct ieee80211_chanctx_conf *chanctx_conf; |
3218 | enum ieee80211_band band; | |
06500736 JB |
3219 | |
3220 | rcu_read_lock(); | |
55de908a JB |
3221 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3222 | if (WARN_ON(!chanctx_conf)) { | |
3223 | rcu_read_unlock(); | |
3224 | return -EINVAL; | |
3225 | } | |
4bf88530 | 3226 | band = chanctx_conf->def.chan->band; |
06500736 | 3227 | sta = sta_info_get(sdata, peer); |
b4487c2d | 3228 | if (sta) { |
06500736 | 3229 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3230 | } else { |
3231 | rcu_read_unlock(); | |
06500736 | 3232 | return -ENOLINK; |
b4487c2d | 3233 | } |
06500736 JB |
3234 | |
3235 | if (qos) { | |
3236 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3237 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3238 | IEEE80211_FCTL_FROMDS); | |
3239 | } else { | |
3240 | size -= 2; | |
3241 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3242 | IEEE80211_STYPE_NULLFUNC | | |
3243 | IEEE80211_FCTL_FROMDS); | |
3244 | } | |
3245 | ||
3246 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3247 | if (!skb) { |
3248 | rcu_read_unlock(); | |
06500736 | 3249 | return -ENOMEM; |
55de908a | 3250 | } |
06500736 JB |
3251 | |
3252 | skb->dev = dev; | |
3253 | ||
3254 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3255 | ||
3256 | nullfunc = (void *) skb_put(skb, size); | |
3257 | nullfunc->frame_control = fc; | |
3258 | nullfunc->duration_id = 0; | |
3259 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3260 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3261 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3262 | nullfunc->seq_ctrl = 0; | |
3263 | ||
3264 | info = IEEE80211_SKB_CB(skb); | |
3265 | ||
3266 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3267 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3268 | ||
3269 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3270 | skb->priority = 7; | |
3271 | if (qos) | |
3272 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3273 | ||
3274 | local_bh_disable(); | |
55de908a | 3275 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3276 | local_bh_enable(); |
55de908a | 3277 | rcu_read_unlock(); |
06500736 JB |
3278 | |
3279 | *cookie = (unsigned long) skb; | |
3280 | return 0; | |
3281 | } | |
3282 | ||
683b6d3b JB |
3283 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3284 | struct wireless_dev *wdev, | |
3285 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3286 | { |
55de908a JB |
3287 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
3288 | struct ieee80211_chanctx_conf *chanctx_conf; | |
683b6d3b | 3289 | int ret = -ENODATA; |
55de908a JB |
3290 | |
3291 | rcu_read_lock(); | |
3292 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3293 | if (chanctx_conf) { | |
4bf88530 | 3294 | *chandef = chanctx_conf->def; |
683b6d3b | 3295 | ret = 0; |
55de908a JB |
3296 | } |
3297 | rcu_read_unlock(); | |
5b7ccaf3 | 3298 | |
683b6d3b | 3299 | return ret; |
5b7ccaf3 JB |
3300 | } |
3301 | ||
6d52563f JB |
3302 | #ifdef CONFIG_PM |
3303 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3304 | { | |
3305 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3306 | } | |
3307 | #endif | |
3308 | ||
f0706e82 JB |
3309 | struct cfg80211_ops mac80211_config_ops = { |
3310 | .add_virtual_intf = ieee80211_add_iface, | |
3311 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3312 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3313 | .start_p2p_device = ieee80211_start_p2p_device, |
3314 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3315 | .add_key = ieee80211_add_key, |
3316 | .del_key = ieee80211_del_key, | |
62da92fb | 3317 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3318 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3319 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3320 | .start_ap = ieee80211_start_ap, |
3321 | .change_beacon = ieee80211_change_beacon, | |
3322 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3323 | .add_station = ieee80211_add_station, |
3324 | .del_station = ieee80211_del_station, | |
3325 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3326 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3327 | .dump_station = ieee80211_dump_station, |
1289723e | 3328 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3329 | #ifdef CONFIG_MAC80211_MESH |
3330 | .add_mpath = ieee80211_add_mpath, | |
3331 | .del_mpath = ieee80211_del_mpath, | |
3332 | .change_mpath = ieee80211_change_mpath, | |
3333 | .get_mpath = ieee80211_get_mpath, | |
3334 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3335 | .update_mesh_config = ieee80211_update_mesh_config, |
3336 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3337 | .join_mesh = ieee80211_join_mesh, |
3338 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3339 | #endif |
9f1ba906 | 3340 | .change_bss = ieee80211_change_bss, |
31888487 | 3341 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3342 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3343 | .suspend = ieee80211_suspend, |
3344 | .resume = ieee80211_resume, | |
2a519311 | 3345 | .scan = ieee80211_scan, |
79f460ca LC |
3346 | .sched_scan_start = ieee80211_sched_scan_start, |
3347 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3348 | .auth = ieee80211_auth, |
3349 | .assoc = ieee80211_assoc, | |
3350 | .deauth = ieee80211_deauth, | |
3351 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3352 | .join_ibss = ieee80211_join_ibss, |
3353 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3354 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3355 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3356 | .set_tx_power = ieee80211_set_tx_power, |
3357 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3358 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3359 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3360 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3361 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3362 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3363 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3364 | .remain_on_channel = ieee80211_remain_on_channel, |
3365 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3366 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3367 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3368 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3369 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3370 | .set_antenna = ieee80211_set_antenna, |
3371 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3372 | .set_ringparam = ieee80211_set_ringparam, |
3373 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3374 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3375 | .tdls_oper = ieee80211_tdls_oper, |
3376 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3377 | .probe_client = ieee80211_probe_client, |
b53be792 | 3378 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3379 | #ifdef CONFIG_PM |
3380 | .set_wakeup = ieee80211_set_wakeup, | |
3381 | #endif | |
b1ab7925 BG |
3382 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3383 | .get_et_stats = ieee80211_get_et_stats, | |
3384 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3385 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3386 | .start_radar_detection = ieee80211_start_radar_detection, |
f0706e82 | 3387 | }; |