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)) { | |
79cf2dfa | 178 | ieee80211_key_free_unused(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 | 216 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 217 | |
3b96766f | 218 | out_unlock: |
ad0e2b5a | 219 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
220 | |
221 | return err; | |
e8cbb4cb JB |
222 | } |
223 | ||
224 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 225 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 226 | { |
5c0c3641 JB |
227 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
228 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 229 | struct sta_info *sta; |
5c0c3641 | 230 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
231 | int ret; |
232 | ||
5c0c3641 JB |
233 | mutex_lock(&local->sta_mtx); |
234 | mutex_lock(&local->key_mtx); | |
3b96766f | 235 | |
e8cbb4cb | 236 | if (mac_addr) { |
3b96766f JB |
237 | ret = -ENOENT; |
238 | ||
0e5ded5a | 239 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 240 | if (!sta) |
3b96766f | 241 | goto out_unlock; |
e8cbb4cb | 242 | |
5c0c3641 | 243 | if (pairwise) |
40b275b6 | 244 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 245 | else |
40b275b6 | 246 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 247 | } else |
40b275b6 | 248 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 249 | |
5c0c3641 | 250 | if (!key) { |
3b96766f JB |
251 | ret = -ENOENT; |
252 | goto out_unlock; | |
253 | } | |
e8cbb4cb | 254 | |
3b8d9c29 | 255 | ieee80211_key_free(key, true); |
e8cbb4cb | 256 | |
3b96766f JB |
257 | ret = 0; |
258 | out_unlock: | |
5c0c3641 JB |
259 | mutex_unlock(&local->key_mtx); |
260 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
261 | |
262 | return ret; | |
e8cbb4cb JB |
263 | } |
264 | ||
62da92fb | 265 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
266 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
267 | void *cookie, | |
62da92fb JB |
268 | void (*callback)(void *cookie, |
269 | struct key_params *params)) | |
270 | { | |
14db74bc | 271 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
272 | struct sta_info *sta = NULL; |
273 | u8 seq[6] = {0}; | |
274 | struct key_params params; | |
e31b8213 | 275 | struct ieee80211_key *key = NULL; |
aba83a0b | 276 | u64 pn64; |
62da92fb JB |
277 | u32 iv32; |
278 | u16 iv16; | |
279 | int err = -ENOENT; | |
280 | ||
14db74bc JB |
281 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
282 | ||
3b96766f JB |
283 | rcu_read_lock(); |
284 | ||
62da92fb | 285 | if (mac_addr) { |
0e5ded5a | 286 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
287 | if (!sta) |
288 | goto out; | |
289 | ||
e31b8213 | 290 | if (pairwise) |
a3836e02 | 291 | key = rcu_dereference(sta->ptk); |
e31b8213 | 292 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 293 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 294 | } else |
a3836e02 | 295 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
296 | |
297 | if (!key) | |
298 | goto out; | |
299 | ||
300 | memset(¶ms, 0, sizeof(params)); | |
301 | ||
97359d12 | 302 | params.cipher = key->conf.cipher; |
62da92fb | 303 | |
97359d12 JB |
304 | switch (key->conf.cipher) { |
305 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
306 | iv32 = key->u.tkip.tx.iv32; |
307 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 308 | |
24487981 JB |
309 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
310 | drv_get_tkip_seq(sdata->local, | |
311 | key->conf.hw_key_idx, | |
312 | &iv32, &iv16); | |
62da92fb JB |
313 | |
314 | seq[0] = iv16 & 0xff; | |
315 | seq[1] = (iv16 >> 8) & 0xff; | |
316 | seq[2] = iv32 & 0xff; | |
317 | seq[3] = (iv32 >> 8) & 0xff; | |
318 | seq[4] = (iv32 >> 16) & 0xff; | |
319 | seq[5] = (iv32 >> 24) & 0xff; | |
320 | params.seq = seq; | |
321 | params.seq_len = 6; | |
322 | break; | |
97359d12 | 323 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
324 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
325 | seq[0] = pn64; | |
326 | seq[1] = pn64 >> 8; | |
327 | seq[2] = pn64 >> 16; | |
328 | seq[3] = pn64 >> 24; | |
329 | seq[4] = pn64 >> 32; | |
330 | seq[5] = pn64 >> 40; | |
62da92fb JB |
331 | params.seq = seq; |
332 | params.seq_len = 6; | |
333 | break; | |
97359d12 | 334 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
335 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
336 | seq[0] = pn64; | |
337 | seq[1] = pn64 >> 8; | |
338 | seq[2] = pn64 >> 16; | |
339 | seq[3] = pn64 >> 24; | |
340 | seq[4] = pn64 >> 32; | |
341 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
342 | params.seq = seq; |
343 | params.seq_len = 6; | |
344 | break; | |
62da92fb JB |
345 | } |
346 | ||
347 | params.key = key->conf.key; | |
348 | params.key_len = key->conf.keylen; | |
349 | ||
350 | callback(cookie, ¶ms); | |
351 | err = 0; | |
352 | ||
353 | out: | |
3b96766f | 354 | rcu_read_unlock(); |
62da92fb JB |
355 | return err; |
356 | } | |
357 | ||
e8cbb4cb JB |
358 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
359 | struct net_device *dev, | |
dbd2fd65 JB |
360 | u8 key_idx, bool uni, |
361 | bool multi) | |
e8cbb4cb | 362 | { |
ad0e2b5a | 363 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 364 | |
f7e0104c | 365 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
366 | |
367 | return 0; | |
368 | } | |
369 | ||
3cfcf6ac JM |
370 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
371 | struct net_device *dev, | |
372 | u8 key_idx) | |
373 | { | |
66c52421 | 374 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 375 | |
3cfcf6ac JM |
376 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
377 | ||
3cfcf6ac JM |
378 | return 0; |
379 | } | |
380 | ||
6b62bf32 TP |
381 | void sta_set_rate_info_tx(struct sta_info *sta, |
382 | const struct ieee80211_tx_rate *rate, | |
383 | struct rate_info *rinfo) | |
384 | { | |
385 | rinfo->flags = 0; | |
8bc83c24 | 386 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 387 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
388 | rinfo->mcs = rate->idx; |
389 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
390 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
391 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
392 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
393 | } else { | |
394 | struct ieee80211_supported_band *sband; | |
395 | sband = sta->local->hw.wiphy->bands[ | |
396 | ieee80211_get_sdata_band(sta->sdata)]; | |
397 | rinfo->legacy = sband->bitrates[rate->idx].bitrate; | |
398 | } | |
6b62bf32 TP |
399 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
400 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
401 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
402 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
403 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
404 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
405 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
406 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
407 | } |
408 | ||
003e676a S |
409 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
410 | { | |
411 | rinfo->flags = 0; | |
412 | ||
413 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
414 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
415 | rinfo->mcs = sta->last_rx_rate_idx; | |
416 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
417 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
418 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
419 | rinfo->mcs = sta->last_rx_rate_idx; | |
420 | } else { | |
421 | struct ieee80211_supported_band *sband; | |
422 | ||
423 | sband = sta->local->hw.wiphy->bands[ | |
424 | ieee80211_get_sdata_band(sta->sdata)]; | |
425 | rinfo->legacy = | |
426 | sband->bitrates[sta->last_rx_rate_idx].bitrate; | |
427 | } | |
428 | ||
429 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
430 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
431 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
432 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
433 | if (sta->last_rx_rate_flag & RX_FLAG_80MHZ) | |
434 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
435 | if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ) | |
436 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; | |
437 | if (sta->last_rx_rate_flag & RX_FLAG_160MHZ) | |
438 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
439 | } | |
440 | ||
c5dd9c2b LCC |
441 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
442 | { | |
d0709a65 | 443 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 444 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 445 | struct timespec uptime; |
560d2682 JB |
446 | u64 packets = 0; |
447 | int ac; | |
c5dd9c2b | 448 | |
f5ea9120 JB |
449 | sinfo->generation = sdata->local->sta_generation; |
450 | ||
c5dd9c2b | 451 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
560d2682 JB |
452 | STATION_INFO_RX_BYTES64 | |
453 | STATION_INFO_TX_BYTES64 | | |
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); | |
560d2682 JB |
470 | sinfo->tx_bytes = 0; |
471 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
472 | sinfo->tx_bytes += sta->tx_bytes[ac]; | |
473 | packets += sta->tx_packets[ac]; | |
474 | } | |
475 | sinfo->tx_packets = packets; | |
c5dd9c2b | 476 | sinfo->rx_bytes = sta->rx_bytes; |
98c8a60a | 477 | sinfo->rx_packets = sta->rx_packets; |
b206b4ef BR |
478 | sinfo->tx_retries = sta->tx_retry_count; |
479 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 480 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 481 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 482 | |
19deffbe JL |
483 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
484 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 485 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
486 | if (!local->ops->get_rssi || |
487 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
488 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 489 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
490 | } |
491 | ||
6b62bf32 | 492 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
003e676a | 493 | sta_set_rate_info_rx(sta, &sinfo->rxrate); |
420e7fab | 494 | |
902acc78 | 495 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 496 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
497 | sinfo->filled |= STATION_INFO_LLID | |
498 | STATION_INFO_PLID | | |
3f52b7e3 MP |
499 | STATION_INFO_PLINK_STATE | |
500 | STATION_INFO_LOCAL_PM | | |
501 | STATION_INFO_PEER_PM | | |
502 | STATION_INFO_NONPEER_PM; | |
c5dd9c2b LCC |
503 | |
504 | sinfo->llid = le16_to_cpu(sta->llid); | |
505 | sinfo->plid = le16_to_cpu(sta->plid); | |
506 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
507 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
508 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
509 | sinfo->t_offset = sta->t_offset; | |
510 | } | |
3f52b7e3 MP |
511 | sinfo->local_pm = sta->local_pm; |
512 | sinfo->peer_pm = sta->peer_pm; | |
513 | sinfo->nonpeer_pm = sta->nonpeer_pm; | |
c5dd9c2b | 514 | #endif |
902acc78 | 515 | } |
f4263c98 PS |
516 | |
517 | sinfo->bss_param.flags = 0; | |
518 | if (sdata->vif.bss_conf.use_cts_prot) | |
519 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
520 | if (sdata->vif.bss_conf.use_short_preamble) | |
521 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
522 | if (sdata->vif.bss_conf.use_short_slot) | |
523 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
524 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
525 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
526 | |
527 | sinfo->sta_flags.set = 0; | |
528 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
529 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
530 | BIT(NL80211_STA_FLAG_WME) | | |
531 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 | 532 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
d582cffb | 533 | BIT(NL80211_STA_FLAG_ASSOCIATED) | |
e4121562 | 534 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
7a724767 HS |
535 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
536 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
537 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
538 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
539 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
540 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
541 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
542 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
543 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
544 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
d582cffb JB |
545 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
546 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
e4121562 HS |
547 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
548 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
549 | } |
550 | ||
b1ab7925 BG |
551 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
552 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
553 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
554 | "tx_packets", "tx_bytes", "tx_fragments", | |
555 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
556 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
557 | "channel", "noise", "ch_time", "ch_time_busy", | |
558 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
559 | }; |
560 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
561 | ||
562 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
563 | struct net_device *dev, | |
564 | int sset) | |
565 | { | |
e352114f BG |
566 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
567 | int rv = 0; | |
568 | ||
b1ab7925 | 569 | if (sset == ETH_SS_STATS) |
e352114f BG |
570 | rv += STA_STATS_LEN; |
571 | ||
572 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 573 | |
e352114f BG |
574 | if (rv == 0) |
575 | return -EOPNOTSUPP; | |
576 | return rv; | |
b1ab7925 BG |
577 | } |
578 | ||
579 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
580 | struct net_device *dev, | |
581 | struct ethtool_stats *stats, | |
582 | u64 *data) | |
583 | { | |
584 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
585 | struct ieee80211_chanctx_conf *chanctx_conf; |
586 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
587 | struct sta_info *sta; |
588 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
589 | struct station_info sinfo; |
590 | struct survey_info survey; | |
591 | int i, q; | |
592 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
593 | |
594 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
595 | ||
596 | #define ADD_STA_STATS(sta) \ | |
597 | do { \ | |
598 | data[i++] += sta->rx_packets; \ | |
599 | data[i++] += sta->rx_bytes; \ | |
600 | data[i++] += sta->wep_weak_iv_count; \ | |
601 | data[i++] += sta->num_duplicates; \ | |
602 | data[i++] += sta->rx_fragments; \ | |
603 | data[i++] += sta->rx_dropped; \ | |
604 | \ | |
560d2682 JB |
605 | data[i++] += sinfo.tx_packets; \ |
606 | data[i++] += sinfo.tx_bytes; \ | |
b1ab7925 BG |
607 | data[i++] += sta->tx_fragments; \ |
608 | data[i++] += sta->tx_filtered_count; \ | |
609 | data[i++] += sta->tx_retry_failed; \ | |
610 | data[i++] += sta->tx_retry_count; \ | |
611 | data[i++] += sta->beacon_loss_count; \ | |
612 | } while (0) | |
613 | ||
614 | /* For Managed stations, find the single station based on BSSID | |
615 | * and use that. For interface types, iterate through all available | |
616 | * stations and add stats for any station that is assigned to this | |
617 | * network device. | |
618 | */ | |
619 | ||
66572cfc | 620 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
621 | |
622 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
623 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
624 | |
625 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
626 | goto do_survey; | |
627 | ||
560d2682 JB |
628 | sinfo.filled = 0; |
629 | sta_set_sinfo(sta, &sinfo); | |
630 | ||
3073a7c2 BG |
631 | i = 0; |
632 | ADD_STA_STATS(sta); | |
633 | ||
634 | data[i++] = sta->sta_state; | |
635 | ||
3073a7c2 | 636 | |
5204267d | 637 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
638 | data[i] = 100000 * |
639 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
640 | i++; | |
5204267d | 641 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
642 | data[i] = 100000 * |
643 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
644 | i++; | |
645 | ||
5204267d | 646 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
647 | data[i] = (u8)sinfo.signal_avg; |
648 | i++; | |
b1ab7925 | 649 | } else { |
66572cfc | 650 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
651 | /* Make sure this station belongs to the proper dev */ |
652 | if (sta->sdata->dev != dev) | |
653 | continue; | |
654 | ||
655 | i = 0; | |
656 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
657 | } |
658 | } | |
659 | ||
3073a7c2 BG |
660 | do_survey: |
661 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
662 | /* Get survey stats for current channel */ | |
55de908a | 663 | survey.filled = 0; |
3073a7c2 | 664 | |
55de908a JB |
665 | rcu_read_lock(); |
666 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
667 | if (chanctx_conf) | |
4bf88530 | 668 | channel = chanctx_conf->def.chan; |
55de908a JB |
669 | else |
670 | channel = NULL; | |
671 | rcu_read_unlock(); | |
672 | ||
673 | if (channel) { | |
674 | q = 0; | |
675 | do { | |
676 | survey.filled = 0; | |
677 | if (drv_get_survey(local, q, &survey) != 0) { | |
678 | survey.filled = 0; | |
679 | break; | |
680 | } | |
681 | q++; | |
682 | } while (channel != survey.channel); | |
3073a7c2 BG |
683 | } |
684 | ||
685 | if (survey.filled) | |
686 | data[i++] = survey.channel->center_freq; | |
687 | else | |
688 | data[i++] = 0; | |
689 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
690 | data[i++] = (u8)survey.noise; | |
691 | else | |
692 | data[i++] = -1LL; | |
693 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
694 | data[i++] = survey.channel_time; | |
695 | else | |
696 | data[i++] = -1LL; | |
697 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
698 | data[i++] = survey.channel_time_busy; | |
699 | else | |
700 | data[i++] = -1LL; | |
701 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
702 | data[i++] = survey.channel_time_ext_busy; | |
703 | else | |
704 | data[i++] = -1LL; | |
705 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
706 | data[i++] = survey.channel_time_rx; | |
707 | else | |
708 | data[i++] = -1LL; | |
709 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
710 | data[i++] = survey.channel_time_tx; | |
711 | else | |
712 | data[i++] = -1LL; | |
713 | ||
66572cfc | 714 | mutex_unlock(&local->sta_mtx); |
e352114f | 715 | |
3073a7c2 BG |
716 | if (WARN_ON(i != STA_STATS_LEN)) |
717 | return; | |
718 | ||
e352114f | 719 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
720 | } |
721 | ||
722 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
723 | struct net_device *dev, | |
724 | u32 sset, u8 *data) | |
725 | { | |
e352114f BG |
726 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
727 | int sz_sta_stats = 0; | |
728 | ||
b1ab7925 | 729 | if (sset == ETH_SS_STATS) { |
e352114f | 730 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
731 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
732 | } | |
e352114f | 733 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 734 | } |
c5dd9c2b LCC |
735 | |
736 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
737 | int idx, u8 *mac, struct station_info *sinfo) | |
738 | { | |
3b53fde8 | 739 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 740 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 741 | struct sta_info *sta; |
d0709a65 JB |
742 | int ret = -ENOENT; |
743 | ||
66572cfc | 744 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 745 | |
3b53fde8 | 746 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
747 | if (sta) { |
748 | ret = 0; | |
17741cdc | 749 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
750 | sta_set_sinfo(sta, sinfo); |
751 | } | |
c5dd9c2b | 752 | |
66572cfc | 753 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 754 | |
d0709a65 | 755 | return ret; |
c5dd9c2b LCC |
756 | } |
757 | ||
1289723e HS |
758 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
759 | int idx, struct survey_info *survey) | |
760 | { | |
761 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
762 | ||
1289723e HS |
763 | return drv_get_survey(local, idx, survey); |
764 | } | |
765 | ||
7bbdd2d9 | 766 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 767 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 768 | { |
abe60632 | 769 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 770 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 771 | struct sta_info *sta; |
d0709a65 | 772 | int ret = -ENOENT; |
7bbdd2d9 | 773 | |
66572cfc | 774 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 775 | |
0e5ded5a | 776 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
777 | if (sta) { |
778 | ret = 0; | |
779 | sta_set_sinfo(sta, sinfo); | |
780 | } | |
781 | ||
66572cfc | 782 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
783 | |
784 | return ret; | |
7bbdd2d9 JB |
785 | } |
786 | ||
55de908a | 787 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 788 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
789 | { |
790 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
791 | struct ieee80211_sub_if_data *sdata; |
792 | int ret = 0; | |
3d9e6e12 | 793 | |
4bf88530 | 794 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 795 | return 0; |
3d9e6e12 | 796 | |
55de908a JB |
797 | mutex_lock(&local->iflist_mtx); |
798 | if (local->use_chanctx) { | |
799 | sdata = rcu_dereference_protected( | |
800 | local->monitor_sdata, | |
801 | lockdep_is_held(&local->iflist_mtx)); | |
802 | if (sdata) { | |
803 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 804 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
805 | IEEE80211_CHANCTX_EXCLUSIVE); |
806 | } | |
807 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 808 | local->_oper_chandef = *chandef; |
55de908a JB |
809 | ieee80211_hw_config(local, 0); |
810 | } | |
3d9e6e12 | 811 | |
4bf88530 JB |
812 | if (ret == 0) |
813 | local->monitor_chandef = *chandef; | |
55de908a | 814 | mutex_unlock(&local->iflist_mtx); |
3d9e6e12 | 815 | |
55de908a | 816 | return ret; |
e8c9bd5b JB |
817 | } |
818 | ||
02945821 | 819 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 820 | const u8 *resp, size_t resp_len) |
02945821 | 821 | { |
aa7a0080 | 822 | struct probe_resp *new, *old; |
02945821 AN |
823 | |
824 | if (!resp || !resp_len) | |
aba4e6ff | 825 | return 1; |
02945821 | 826 | |
f724828b | 827 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 | 828 | |
aa7a0080 | 829 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
830 | if (!new) |
831 | return -ENOMEM; | |
832 | ||
aa7a0080 ES |
833 | new->len = resp_len; |
834 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
835 | |
836 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
837 | if (old) |
838 | kfree_rcu(old, rcu_head); | |
02945821 AN |
839 | |
840 | return 0; | |
841 | } | |
842 | ||
8860020e JB |
843 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
844 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
845 | { |
846 | struct beacon_data *new, *old; | |
847 | int new_head_len, new_tail_len; | |
8860020e JB |
848 | int size, err; |
849 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 850 | |
40b275b6 | 851 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 852 | |
5dfdaf58 JB |
853 | /* Need to have a beacon head if we don't have one yet */ |
854 | if (!params->head && !old) | |
8860020e | 855 | return -EINVAL; |
5dfdaf58 JB |
856 | |
857 | /* new or old head? */ | |
858 | if (params->head) | |
859 | new_head_len = params->head_len; | |
860 | else | |
861 | new_head_len = old->head_len; | |
862 | ||
863 | /* new or old tail? */ | |
864 | if (params->tail || !old) | |
865 | /* params->tail_len will be zero for !params->tail */ | |
866 | new_tail_len = params->tail_len; | |
867 | else | |
868 | new_tail_len = old->tail_len; | |
869 | ||
870 | size = sizeof(*new) + new_head_len + new_tail_len; | |
871 | ||
872 | new = kzalloc(size, GFP_KERNEL); | |
873 | if (!new) | |
874 | return -ENOMEM; | |
875 | ||
876 | /* start filling the new info now */ | |
877 | ||
5dfdaf58 JB |
878 | /* |
879 | * pointers go into the block we allocated, | |
880 | * memory is | beacon_data | head | tail | | |
881 | */ | |
882 | new->head = ((u8 *) new) + sizeof(*new); | |
883 | new->tail = new->head + new_head_len; | |
884 | new->head_len = new_head_len; | |
885 | new->tail_len = new_tail_len; | |
886 | ||
887 | /* copy in head */ | |
888 | if (params->head) | |
889 | memcpy(new->head, params->head, new_head_len); | |
890 | else | |
891 | memcpy(new->head, old->head, new_head_len); | |
892 | ||
893 | /* copy in optional tail */ | |
894 | if (params->tail) | |
895 | memcpy(new->tail, params->tail, new_tail_len); | |
896 | else | |
897 | if (old) | |
898 | memcpy(new->tail, old->tail, new_tail_len); | |
899 | ||
02945821 AN |
900 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
901 | params->probe_resp_len); | |
8860020e JB |
902 | if (err < 0) |
903 | return err; | |
904 | if (err == 0) | |
02945821 AN |
905 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
906 | ||
8860020e JB |
907 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
908 | ||
909 | if (old) | |
910 | kfree_rcu(old, rcu_head); | |
7827493b | 911 | |
8860020e | 912 | return changed; |
5dfdaf58 JB |
913 | } |
914 | ||
8860020e JB |
915 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
916 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 917 | { |
8860020e | 918 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 919 | struct beacon_data *old; |
665c93a9 | 920 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
921 | u32 changed = BSS_CHANGED_BEACON_INT | |
922 | BSS_CHANGED_BEACON_ENABLED | | |
923 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
924 | BSS_CHANGED_SSID | |
925 | BSS_CHANGED_P2P_PS; | |
8860020e | 926 | int err; |
14db74bc | 927 | |
40b275b6 | 928 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
929 | if (old) |
930 | return -EALREADY; | |
931 | ||
04ecd257 JB |
932 | /* TODO: make hostapd tell us what it wants */ |
933 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
934 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
164eb02d | 935 | sdata->radar_required = params->radar_required; |
04ecd257 | 936 | |
4bf88530 | 937 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 938 | IEEE80211_CHANCTX_SHARED); |
aa430da4 JB |
939 | if (err) |
940 | return err; | |
1f4ac5a6 | 941 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); |
aa430da4 | 942 | |
665c93a9 JB |
943 | /* |
944 | * Apply control port protocol, this allows us to | |
945 | * not encrypt dynamic WEP control frames. | |
946 | */ | |
947 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
948 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
949 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
950 | vlan->control_port_protocol = | |
951 | params->crypto.control_port_ethertype; | |
952 | vlan->control_port_no_encrypt = | |
953 | params->crypto.control_port_no_encrypt; | |
954 | } | |
955 | ||
8860020e JB |
956 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
957 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 958 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
959 | |
960 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
961 | if (params->ssid_len) | |
962 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
963 | params->ssid_len); | |
964 | sdata->vif.bss_conf.hidden_ssid = | |
965 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
966 | ||
67baf663 JD |
967 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
968 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
969 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
970 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
971 | if (params->p2p_opp_ps) | |
972 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
973 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 974 | |
8860020e JB |
975 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); |
976 | if (err < 0) | |
977 | return err; | |
978 | changed |= err; | |
979 | ||
1041638f JB |
980 | err = drv_start_ap(sdata->local, sdata); |
981 | if (err) { | |
982 | old = rtnl_dereference(sdata->u.ap.beacon); | |
983 | if (old) | |
984 | kfree_rcu(old, rcu_head); | |
985 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
986 | return err; | |
987 | } | |
988 | ||
8860020e JB |
989 | ieee80211_bss_info_change_notify(sdata, changed); |
990 | ||
3edaf3e6 JB |
991 | netif_carrier_on(dev); |
992 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
993 | netif_carrier_on(vlan->dev); | |
994 | ||
665c93a9 | 995 | return 0; |
5dfdaf58 JB |
996 | } |
997 | ||
8860020e JB |
998 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
999 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 1000 | { |
14db74bc | 1001 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 1002 | struct beacon_data *old; |
8860020e | 1003 | int err; |
5dfdaf58 | 1004 | |
14db74bc JB |
1005 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1006 | ||
40b275b6 | 1007 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
1008 | if (!old) |
1009 | return -ENOENT; | |
1010 | ||
8860020e JB |
1011 | err = ieee80211_assign_beacon(sdata, params); |
1012 | if (err < 0) | |
1013 | return err; | |
1014 | ieee80211_bss_info_change_notify(sdata, err); | |
1015 | return 0; | |
5dfdaf58 JB |
1016 | } |
1017 | ||
8860020e | 1018 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1019 | { |
7b20b8e8 JB |
1020 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1021 | struct ieee80211_sub_if_data *vlan; | |
1022 | struct ieee80211_local *local = sdata->local; | |
1023 | struct beacon_data *old_beacon; | |
1024 | struct probe_resp *old_probe_resp; | |
14db74bc | 1025 | |
7b20b8e8 JB |
1026 | old_beacon = rtnl_dereference(sdata->u.ap.beacon); |
1027 | if (!old_beacon) | |
5dfdaf58 | 1028 | return -ENOENT; |
7b20b8e8 | 1029 | old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp); |
5dfdaf58 | 1030 | |
7b20b8e8 | 1031 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1032 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1033 | netif_carrier_off(vlan->dev); | |
1034 | netif_carrier_off(dev); | |
1035 | ||
7b20b8e8 | 1036 | /* remove beacon and probe response */ |
a9b3cd7f | 1037 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1038 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1039 | kfree_rcu(old_beacon, rcu_head); | |
1040 | if (old_probe_resp) | |
1041 | kfree_rcu(old_probe_resp, rcu_head); | |
8860020e | 1042 | |
2d4072a5 | 1043 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
75de9113 JB |
1044 | sta_info_flush_defer(vlan); |
1045 | sta_info_flush_defer(sdata); | |
1046 | rcu_barrier(); | |
7b4396bd | 1047 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
75de9113 | 1048 | sta_info_flush_cleanup(vlan); |
7b4396bd JB |
1049 | ieee80211_free_keys(vlan); |
1050 | } | |
75de9113 | 1051 | sta_info_flush_cleanup(sdata); |
7b4396bd | 1052 | ieee80211_free_keys(sdata); |
75de9113 | 1053 | |
d6a83228 JB |
1054 | sdata->vif.bss_conf.enable_beacon = false; |
1055 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); | |
2d0ddec5 | 1056 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1057 | |
1041638f JB |
1058 | drv_stop_ap(sdata->local, sdata); |
1059 | ||
7b20b8e8 JB |
1060 | /* free all potentially still buffered bcast frames */ |
1061 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
1062 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
1063 | ||
1f4ac5a6 | 1064 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a JB |
1065 | ieee80211_vif_release_channel(sdata); |
1066 | ||
2d0ddec5 | 1067 | return 0; |
5dfdaf58 JB |
1068 | } |
1069 | ||
4fd6931e JB |
1070 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1071 | struct iapp_layer2_update { | |
1072 | u8 da[ETH_ALEN]; /* broadcast */ | |
1073 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1074 | __be16 len; /* 6 */ | |
1075 | u8 dsap; /* 0 */ | |
1076 | u8 ssap; /* 0 */ | |
1077 | u8 control; | |
1078 | u8 xid_info[3]; | |
bc10502d | 1079 | } __packed; |
4fd6931e JB |
1080 | |
1081 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1082 | { | |
1083 | struct iapp_layer2_update *msg; | |
1084 | struct sk_buff *skb; | |
1085 | ||
1086 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1087 | * bridge devices */ | |
1088 | ||
1089 | skb = dev_alloc_skb(sizeof(*msg)); | |
1090 | if (!skb) | |
1091 | return; | |
1092 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1093 | ||
1094 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1095 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1096 | ||
e83e6541 | 1097 | eth_broadcast_addr(msg->da); |
17741cdc | 1098 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1099 | msg->len = htons(6); |
1100 | msg->dsap = 0; | |
1101 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1102 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1103 | * F=0 (no poll command; unsolicited frame) */ | |
1104 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1105 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1106 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1107 | ||
d0709a65 JB |
1108 | skb->dev = sta->sdata->dev; |
1109 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1110 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1111 | netif_rx_ni(skb); |
4fd6931e JB |
1112 | } |
1113 | ||
d582cffb JB |
1114 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1115 | struct sta_info *sta, | |
1116 | u32 mask, u32 set) | |
1117 | { | |
1118 | int ret; | |
1119 | ||
1120 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1121 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1122 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1123 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1124 | if (ret) | |
1125 | return ret; | |
1126 | } | |
1127 | ||
1128 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1129 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1130 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1131 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1132 | if (ret) | |
1133 | return ret; | |
1134 | } | |
1135 | ||
1136 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1137 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1138 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1139 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1140 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1141 | else | |
1142 | ret = 0; | |
1143 | if (ret) | |
1144 | return ret; | |
1145 | } | |
1146 | ||
1147 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1148 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1149 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1150 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1151 | if (ret) | |
1152 | return ret; | |
1153 | } | |
1154 | ||
1155 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1156 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1157 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1158 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1159 | if (ret) | |
1160 | return ret; | |
1161 | } | |
1162 | ||
1163 | return 0; | |
1164 | } | |
1165 | ||
d9a7ddb0 JB |
1166 | static int sta_apply_parameters(struct ieee80211_local *local, |
1167 | struct sta_info *sta, | |
1168 | struct station_parameters *params) | |
4fd6931e | 1169 | { |
d9a7ddb0 | 1170 | int ret = 0; |
4fd6931e JB |
1171 | u32 rates; |
1172 | int i, j; | |
8318d78a | 1173 | struct ieee80211_supported_band *sband; |
d0709a65 | 1174 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1175 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1176 | u32 mask, set; |
4fd6931e | 1177 | |
55de908a | 1178 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1179 | |
eccb8e8f JB |
1180 | mask = params->sta_flags_mask; |
1181 | set = params->sta_flags_set; | |
73651ee6 | 1182 | |
d582cffb JB |
1183 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1184 | /* | |
1185 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1186 | * API but must follow AUTHENTICATED for driver state. | |
1187 | */ | |
1188 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1189 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1190 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1191 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1192 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1193 | /* | |
1194 | * TDLS -- everything follows authorized, but | |
1195 | * only becoming authorized is possible, not | |
1196 | * going back | |
1197 | */ | |
1198 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1199 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1200 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1201 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1202 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1203 | } | |
eccb8e8f | 1204 | } |
4fd6931e | 1205 | |
d582cffb JB |
1206 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1207 | if (ret) | |
1208 | return ret; | |
d9a7ddb0 | 1209 | |
eccb8e8f | 1210 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1211 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1212 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1213 | else | |
1214 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1215 | } |
4fd6931e | 1216 | |
eccb8e8f | 1217 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1218 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1219 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1220 | sta->sta.wme = true; |
c2c98fde JB |
1221 | } else { |
1222 | clear_sta_flag(sta, WLAN_STA_WME); | |
1223 | sta->sta.wme = false; | |
39df600a | 1224 | } |
eccb8e8f | 1225 | } |
5394af4d | 1226 | |
eccb8e8f | 1227 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1228 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1229 | set_sta_flag(sta, WLAN_STA_MFP); |
1230 | else | |
1231 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1232 | } |
b39c48fa | 1233 | |
07ba55d7 | 1234 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1235 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1236 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1237 | else | |
1238 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1239 | } |
4fd6931e | 1240 | |
3b9ce80c JB |
1241 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1242 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1243 | sta->sta.max_sp = params->max_sp; | |
1244 | } | |
9533b4ac | 1245 | |
51b50fbe JB |
1246 | /* |
1247 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1248 | * only when creating a new station entry | |
1249 | */ | |
1250 | if (params->aid) | |
1251 | sta->sta.aid = params->aid; | |
1252 | ||
73651ee6 | 1253 | /* |
ba23d206 JB |
1254 | * Some of the following updates would be racy if called on an |
1255 | * existing station, via ieee80211_change_station(). However, | |
1256 | * all such changes are rejected by cfg80211 except for updates | |
1257 | * changing the supported rates on an existing but not yet used | |
1258 | * TDLS peer. | |
73651ee6 JB |
1259 | */ |
1260 | ||
4fd6931e JB |
1261 | if (params->listen_interval >= 0) |
1262 | sta->listen_interval = params->listen_interval; | |
1263 | ||
1264 | if (params->supported_rates) { | |
1265 | rates = 0; | |
8318d78a | 1266 | |
4fd6931e JB |
1267 | for (i = 0; i < params->supported_rates_len; i++) { |
1268 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1269 | for (j = 0; j < sband->n_bitrates; j++) { |
1270 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1271 | rates |= BIT(j); |
1272 | } | |
1273 | } | |
55de908a | 1274 | sta->sta.supp_rates[band] = rates; |
4fd6931e | 1275 | } |
c5dd9c2b | 1276 | |
d9fe60de | 1277 | if (params->ht_capa) |
ef96a842 | 1278 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1279 | params->ht_capa, sta); |
36aedc90 | 1280 | |
f461be3e MP |
1281 | if (params->vht_capa) |
1282 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1283 | params->vht_capa, sta); |
f461be3e | 1284 | |
9c3990aa | 1285 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1286 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1287 | u32 changed = 0; |
77ee7c89 JB |
1288 | |
1289 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1290 | switch (params->plink_state) { |
57cf8043 | 1291 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1292 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1293 | changed = mesh_plink_inc_estab_count( | |
1294 | sdata); | |
1295 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1296 | |
1297 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1298 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1299 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1300 | break; |
1301 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1302 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1303 | case NL80211_PLINK_OPN_SNT: |
1304 | case NL80211_PLINK_OPN_RCVD: | |
1305 | case NL80211_PLINK_CNF_RCVD: | |
1306 | case NL80211_PLINK_HOLDING: | |
1307 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1308 | changed = mesh_plink_dec_estab_count( | |
1309 | sdata); | |
9c3990aa | 1310 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1311 | |
1312 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1313 | changed |= |
1314 | ieee80211_mps_local_status_update(sdata); | |
9c3990aa JC |
1315 | break; |
1316 | default: | |
1317 | /* nothing */ | |
1318 | break; | |
1319 | } | |
77ee7c89 JB |
1320 | } |
1321 | ||
1322 | switch (params->plink_action) { | |
1323 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1324 | /* nothing */ | |
1325 | break; | |
1326 | case NL80211_PLINK_ACTION_OPEN: | |
1327 | changed |= mesh_plink_open(sta); | |
1328 | break; | |
1329 | case NL80211_PLINK_ACTION_BLOCK: | |
1330 | changed |= mesh_plink_block(sta); | |
1331 | break; | |
1617bab8 | 1332 | } |
3f52b7e3 MP |
1333 | |
1334 | if (params->local_pm) | |
39886b61 TP |
1335 | changed |= |
1336 | ieee80211_mps_set_sta_local_pm(sta, | |
1337 | params->local_pm); | |
1338 | ieee80211_bss_info_change_notify(sdata, changed); | |
4daf50f2 | 1339 | #endif |
902acc78 | 1340 | } |
d9a7ddb0 JB |
1341 | |
1342 | return 0; | |
4fd6931e JB |
1343 | } |
1344 | ||
1345 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1346 | u8 *mac, struct station_parameters *params) | |
1347 | { | |
14db74bc | 1348 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1349 | struct sta_info *sta; |
1350 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1351 | int err; |
b8d476c8 | 1352 | int layer2_update; |
4fd6931e | 1353 | |
4fd6931e JB |
1354 | if (params->vlan) { |
1355 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1356 | ||
05c914fe JB |
1357 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1358 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1359 | return -EINVAL; |
1360 | } else | |
1361 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1362 | ||
b203ca39 | 1363 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1364 | return -EINVAL; |
1365 | ||
1366 | if (is_multicast_ether_addr(mac)) | |
1367 | return -EINVAL; | |
1368 | ||
1369 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1370 | if (!sta) |
1371 | return -ENOMEM; | |
4fd6931e | 1372 | |
d582cffb JB |
1373 | /* |
1374 | * defaults -- if userspace wants something else we'll | |
1375 | * change it accordingly in sta_apply_parameters() | |
1376 | */ | |
77ee7c89 JB |
1377 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1378 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1379 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
1380 | } | |
4fd6931e | 1381 | |
d9a7ddb0 JB |
1382 | err = sta_apply_parameters(local, sta, params); |
1383 | if (err) { | |
1384 | sta_info_free(local, sta); | |
1385 | return err; | |
1386 | } | |
4fd6931e | 1387 | |
d64cf63e | 1388 | /* |
77ee7c89 JB |
1389 | * for TDLS, rate control should be initialized only when |
1390 | * rates are known and station is marked authorized | |
d64cf63e AN |
1391 | */ |
1392 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1393 | rate_control_rate_init(sta); | |
4fd6931e | 1394 | |
b8d476c8 JM |
1395 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1396 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1397 | ||
34e89507 | 1398 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1399 | if (err) { |
73651ee6 JB |
1400 | rcu_read_unlock(); |
1401 | return err; | |
1402 | } | |
1403 | ||
b8d476c8 | 1404 | if (layer2_update) |
73651ee6 JB |
1405 | ieee80211_send_layer2_update(sta); |
1406 | ||
1407 | rcu_read_unlock(); | |
1408 | ||
4fd6931e JB |
1409 | return 0; |
1410 | } | |
1411 | ||
1412 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1413 | u8 *mac) | |
1414 | { | |
14db74bc | 1415 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1416 | |
14db74bc JB |
1417 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1418 | ||
34e89507 JB |
1419 | if (mac) |
1420 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1421 | |
b998e8bb | 1422 | sta_info_flush(sdata); |
4fd6931e JB |
1423 | return 0; |
1424 | } | |
1425 | ||
1426 | static int ieee80211_change_station(struct wiphy *wiphy, | |
77ee7c89 | 1427 | struct net_device *dev, u8 *mac, |
4fd6931e JB |
1428 | struct station_parameters *params) |
1429 | { | |
abe60632 | 1430 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1431 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1432 | struct sta_info *sta; |
1433 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1434 | enum cfg80211_station_type statype; |
35b88623 | 1435 | int err; |
4fd6931e | 1436 | |
87be1e1e | 1437 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1438 | |
0e5ded5a | 1439 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1440 | if (!sta) { |
77ee7c89 JB |
1441 | err = -ENOENT; |
1442 | goto out_err; | |
98dd6a57 | 1443 | } |
4fd6931e | 1444 | |
77ee7c89 JB |
1445 | switch (sdata->vif.type) { |
1446 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1447 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1448 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1449 | else |
eef941e6 | 1450 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1451 | break; |
1452 | case NL80211_IFTYPE_ADHOC: | |
1453 | statype = CFG80211_STA_IBSS; | |
1454 | break; | |
1455 | case NL80211_IFTYPE_STATION: | |
1456 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1457 | statype = CFG80211_STA_AP_STA; | |
1458 | break; | |
1459 | } | |
1460 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1461 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1462 | else | |
1463 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1464 | break; | |
1465 | case NL80211_IFTYPE_AP: | |
1466 | case NL80211_IFTYPE_AP_VLAN: | |
1467 | statype = CFG80211_STA_AP_CLIENT; | |
1468 | break; | |
1469 | default: | |
1470 | err = -EOPNOTSUPP; | |
1471 | goto out_err; | |
bdd90d5e JB |
1472 | } |
1473 | ||
77ee7c89 JB |
1474 | err = cfg80211_check_station_change(wiphy, params, statype); |
1475 | if (err) | |
1476 | goto out_err; | |
1477 | ||
d0709a65 | 1478 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1479 | bool prev_4addr = false; |
1480 | bool new_4addr = false; | |
1481 | ||
4fd6931e JB |
1482 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1483 | ||
9bc383de | 1484 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1485 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1486 | err = -EBUSY; |
1487 | goto out_err; | |
3305443c | 1488 | } |
f14543ee | 1489 | |
cf778b00 | 1490 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1491 | new_4addr = true; |
1492 | } | |
1493 | ||
1494 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1495 | sta->sdata->u.vlan.sta) { | |
1496 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1497 | prev_4addr = true; | |
f14543ee FF |
1498 | } |
1499 | ||
14db74bc | 1500 | sta->sdata = vlansdata; |
7e3ed02c FF |
1501 | |
1502 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1503 | prev_4addr != new_4addr) { | |
1504 | if (new_4addr) | |
1505 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1506 | else | |
1507 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1508 | } | |
1509 | ||
4fd6931e JB |
1510 | ieee80211_send_layer2_update(sta); |
1511 | } | |
1512 | ||
35b88623 | 1513 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1514 | if (err) |
1515 | goto out_err; | |
4fd6931e | 1516 | |
77ee7c89 JB |
1517 | /* When peer becomes authorized, init rate control as well */ |
1518 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1519 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1520 | rate_control_rate_init(sta); |
1521 | ||
87be1e1e | 1522 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1523 | |
808118cb | 1524 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1525 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1526 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1527 | ieee80211_recalc_ps_vif(sdata); |
1528 | } | |
77ee7c89 | 1529 | |
4fd6931e | 1530 | return 0; |
77ee7c89 JB |
1531 | out_err: |
1532 | mutex_unlock(&local->sta_mtx); | |
1533 | return err; | |
4fd6931e JB |
1534 | } |
1535 | ||
c5dd9c2b LCC |
1536 | #ifdef CONFIG_MAC80211_MESH |
1537 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1538 | u8 *dst, u8 *next_hop) | |
1539 | { | |
14db74bc | 1540 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1541 | struct mesh_path *mpath; |
1542 | struct sta_info *sta; | |
1543 | int err; | |
1544 | ||
14db74bc JB |
1545 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1546 | ||
d0709a65 | 1547 | rcu_read_lock(); |
abe60632 | 1548 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1549 | if (!sta) { |
1550 | rcu_read_unlock(); | |
c5dd9c2b | 1551 | return -ENOENT; |
d0709a65 | 1552 | } |
c5dd9c2b | 1553 | |
bf7cd94d | 1554 | err = mesh_path_add(sdata, dst); |
d0709a65 JB |
1555 | if (err) { |
1556 | rcu_read_unlock(); | |
c5dd9c2b | 1557 | return err; |
d0709a65 | 1558 | } |
c5dd9c2b | 1559 | |
bf7cd94d | 1560 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1561 | if (!mpath) { |
1562 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1563 | return -ENXIO; |
1564 | } | |
1565 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1566 | |
c5dd9c2b LCC |
1567 | rcu_read_unlock(); |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
bf7cd94d | 1572 | u8 *dst) |
c5dd9c2b | 1573 | { |
f698d856 JBG |
1574 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1575 | ||
c5dd9c2b | 1576 | if (dst) |
bf7cd94d | 1577 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1578 | |
ece1a2e7 | 1579 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1580 | return 0; |
1581 | } | |
1582 | ||
1583 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1584 | struct net_device *dev, | |
1585 | u8 *dst, u8 *next_hop) | |
1586 | { | |
14db74bc | 1587 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1588 | struct mesh_path *mpath; |
1589 | struct sta_info *sta; | |
1590 | ||
14db74bc JB |
1591 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1592 | ||
d0709a65 JB |
1593 | rcu_read_lock(); |
1594 | ||
abe60632 | 1595 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1596 | if (!sta) { |
1597 | rcu_read_unlock(); | |
c5dd9c2b | 1598 | return -ENOENT; |
d0709a65 | 1599 | } |
c5dd9c2b | 1600 | |
bf7cd94d | 1601 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1602 | if (!mpath) { |
1603 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1604 | return -ENOENT; |
1605 | } | |
1606 | ||
1607 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1608 | |
c5dd9c2b LCC |
1609 | rcu_read_unlock(); |
1610 | return 0; | |
1611 | } | |
1612 | ||
1613 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1614 | struct mpath_info *pinfo) | |
1615 | { | |
a3836e02 JB |
1616 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1617 | ||
1618 | if (next_hop_sta) | |
1619 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1620 | else |
1621 | memset(next_hop, 0, ETH_ALEN); | |
1622 | ||
7ce8c7a3 LAYS |
1623 | memset(pinfo, 0, sizeof(*pinfo)); |
1624 | ||
f5ea9120 JB |
1625 | pinfo->generation = mesh_paths_generation; |
1626 | ||
c5dd9c2b | 1627 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1628 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1629 | MPATH_INFO_METRIC | |
1630 | MPATH_INFO_EXPTIME | | |
1631 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1632 | MPATH_INFO_DISCOVERY_RETRIES | | |
1633 | MPATH_INFO_FLAGS; | |
1634 | ||
1635 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1636 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1637 | pinfo->metric = mpath->metric; |
1638 | if (time_before(jiffies, mpath->exp_time)) | |
1639 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1640 | pinfo->discovery_timeout = | |
1641 | jiffies_to_msecs(mpath->discovery_timeout); | |
1642 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1643 | if (mpath->flags & MESH_PATH_ACTIVE) |
1644 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1645 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1646 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1647 | if (mpath->flags & MESH_PATH_SN_VALID) |
1648 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1649 | if (mpath->flags & MESH_PATH_FIXED) |
1650 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1651 | if (mpath->flags & MESH_PATH_RESOLVED) |
1652 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1653 | } |
1654 | ||
1655 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1656 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1657 | ||
1658 | { | |
14db74bc | 1659 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1660 | struct mesh_path *mpath; |
1661 | ||
14db74bc JB |
1662 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1663 | ||
c5dd9c2b | 1664 | rcu_read_lock(); |
bf7cd94d | 1665 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1666 | if (!mpath) { |
1667 | rcu_read_unlock(); | |
1668 | return -ENOENT; | |
1669 | } | |
1670 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1671 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1672 | rcu_read_unlock(); | |
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1677 | int idx, u8 *dst, u8 *next_hop, | |
1678 | struct mpath_info *pinfo) | |
1679 | { | |
14db74bc | 1680 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1681 | struct mesh_path *mpath; |
1682 | ||
14db74bc JB |
1683 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1684 | ||
c5dd9c2b | 1685 | rcu_read_lock(); |
bf7cd94d | 1686 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1687 | if (!mpath) { |
1688 | rcu_read_unlock(); | |
1689 | return -ENOENT; | |
1690 | } | |
1691 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1692 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1693 | rcu_read_unlock(); | |
1694 | return 0; | |
1695 | } | |
93da9cc1 | 1696 | |
24bdd9f4 | 1697 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1698 | struct net_device *dev, |
1699 | struct mesh_config *conf) | |
1700 | { | |
1701 | struct ieee80211_sub_if_data *sdata; | |
1702 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1703 | ||
93da9cc1 | 1704 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1705 | return 0; | |
1706 | } | |
1707 | ||
1708 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1709 | { | |
1710 | return (mask >> (parm-1)) & 0x1; | |
1711 | } | |
1712 | ||
c80d545d JC |
1713 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1714 | const struct mesh_setup *setup) | |
1715 | { | |
1716 | u8 *new_ie; | |
1717 | const u8 *old_ie; | |
4bb62344 CYY |
1718 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1719 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1720 | |
581a8b0f | 1721 | /* allocate information elements */ |
c80d545d | 1722 | new_ie = NULL; |
581a8b0f | 1723 | old_ie = ifmsh->ie; |
c80d545d | 1724 | |
581a8b0f JC |
1725 | if (setup->ie_len) { |
1726 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1727 | GFP_KERNEL); |
1728 | if (!new_ie) | |
1729 | return -ENOMEM; | |
1730 | } | |
581a8b0f JC |
1731 | ifmsh->ie_len = setup->ie_len; |
1732 | ifmsh->ie = new_ie; | |
1733 | kfree(old_ie); | |
c80d545d JC |
1734 | |
1735 | /* now copy the rest of the setup parameters */ | |
1736 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1737 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1738 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1739 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1740 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1741 | ifmsh->user_mpm = setup->user_mpm; |
b130e5ce JC |
1742 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1743 | if (setup->is_authenticated) | |
1744 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1745 | if (setup->is_secure) | |
1746 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1747 | |
4bb62344 CYY |
1748 | /* mcast rate setting in Mesh Node */ |
1749 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1750 | sizeof(setup->mcast_rate)); | |
1751 | ||
9bdbf04d MP |
1752 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1753 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1754 | ||
c80d545d JC |
1755 | return 0; |
1756 | } | |
1757 | ||
24bdd9f4 | 1758 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1759 | struct net_device *dev, u32 mask, |
1760 | const struct mesh_config *nconf) | |
93da9cc1 | 1761 | { |
1762 | struct mesh_config *conf; | |
1763 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1764 | struct ieee80211_if_mesh *ifmsh; |
1765 | ||
93da9cc1 | 1766 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1767 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1768 | |
93da9cc1 | 1769 | /* Set the config options which we are interested in setting */ |
1770 | conf = &(sdata->u.mesh.mshcfg); | |
1771 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1772 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1773 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1774 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1775 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1776 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1777 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1778 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1779 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1780 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1781 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1782 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1783 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1784 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1785 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1786 | if (ifmsh->user_mpm) | |
1787 | return -EBUSY; | |
93da9cc1 | 1788 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1789 | } |
d299a1f2 JC |
1790 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1791 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1792 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1793 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1794 | conf->dot11MeshHWMPmaxPREQretries = | |
1795 | nconf->dot11MeshHWMPmaxPREQretries; | |
1796 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1797 | conf->path_refresh_time = nconf->path_refresh_time; | |
1798 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1799 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1800 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1801 | conf->dot11MeshHWMPactivePathTimeout = | |
1802 | nconf->dot11MeshHWMPactivePathTimeout; | |
1803 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1804 | conf->dot11MeshHWMPpreqMinInterval = | |
1805 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1806 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1807 | conf->dot11MeshHWMPperrMinInterval = | |
1808 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1809 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1810 | mask)) | |
1811 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1812 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1813 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1814 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1815 | ieee80211_mesh_root_setup(ifmsh); | |
1816 | } | |
16dd7267 | 1817 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1818 | /* our current gate announcement implementation rides on root |
1819 | * announcements, so require this ifmsh to also be a root node | |
1820 | * */ | |
1821 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1822 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1823 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1824 | ieee80211_mesh_root_setup(ifmsh); |
1825 | } | |
16dd7267 JC |
1826 | conf->dot11MeshGateAnnouncementProtocol = |
1827 | nconf->dot11MeshGateAnnouncementProtocol; | |
1828 | } | |
a4f606ea | 1829 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1830 | conf->dot11MeshHWMPRannInterval = |
1831 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1832 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1833 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1834 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1835 | /* our RSSI threshold implementation is supported only for | |
1836 | * devices that report signal in dBm. | |
1837 | */ | |
1838 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1839 | return -ENOTSUPP; | |
1840 | conf->rssi_threshold = nconf->rssi_threshold; | |
1841 | } | |
70c33eaa AN |
1842 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1843 | conf->ht_opmode = nconf->ht_opmode; | |
1844 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1845 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1846 | } | |
ac1073a6 CYY |
1847 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1848 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1849 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1850 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1851 | conf->dot11MeshHWMProotInterval = | |
1852 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1853 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1854 | conf->dot11MeshHWMPconfirmationInterval = | |
1855 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1856 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1857 | conf->power_mode = nconf->power_mode; | |
1858 | ieee80211_mps_local_status_update(sdata); | |
1859 | } | |
2b5e1967 | 1860 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1861 | conf->dot11MeshAwakeWindowDuration = |
1862 | nconf->dot11MeshAwakeWindowDuration; | |
2b5e1967 | 1863 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1864 | return 0; |
1865 | } | |
1866 | ||
29cbe68c JB |
1867 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1868 | const struct mesh_config *conf, | |
1869 | const struct mesh_setup *setup) | |
1870 | { | |
1871 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1872 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1873 | int err; |
29cbe68c | 1874 | |
c80d545d JC |
1875 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1876 | err = copy_mesh_setup(ifmsh, setup); | |
1877 | if (err) | |
1878 | return err; | |
cc1d2806 | 1879 | |
04ecd257 JB |
1880 | /* can mesh use other SMPS modes? */ |
1881 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1882 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1883 | ||
4bf88530 | 1884 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1885 | IEEE80211_CHANCTX_SHARED); |
cc1d2806 JB |
1886 | if (err) |
1887 | return err; | |
1888 | ||
2b5e1967 | 1889 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1890 | } |
1891 | ||
1892 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1893 | { | |
1894 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1895 | ||
1896 | ieee80211_stop_mesh(sdata); | |
55de908a | 1897 | ieee80211_vif_release_channel(sdata); |
29cbe68c JB |
1898 | |
1899 | return 0; | |
1900 | } | |
c5dd9c2b LCC |
1901 | #endif |
1902 | ||
9f1ba906 JM |
1903 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1904 | struct net_device *dev, | |
1905 | struct bss_parameters *params) | |
1906 | { | |
55de908a JB |
1907 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1908 | enum ieee80211_band band; | |
9f1ba906 JM |
1909 | u32 changed = 0; |
1910 | ||
55de908a JB |
1911 | if (!rtnl_dereference(sdata->u.ap.beacon)) |
1912 | return -ENOENT; | |
1913 | ||
1914 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1915 | |
9f1ba906 | 1916 | if (params->use_cts_prot >= 0) { |
bda3933a | 1917 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1918 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1919 | } | |
1920 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1921 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1922 | params->use_short_preamble; |
1923 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1924 | } | |
43d35343 FF |
1925 | |
1926 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1927 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1928 | sdata->vif.bss_conf.use_short_slot = true; |
1929 | changed |= BSS_CHANGED_ERP_SLOT; | |
1930 | } | |
1931 | ||
9f1ba906 | 1932 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1933 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1934 | params->use_short_slot_time; |
1935 | changed |= BSS_CHANGED_ERP_SLOT; | |
1936 | } | |
1937 | ||
90c97a04 JM |
1938 | if (params->basic_rates) { |
1939 | int i, j; | |
1940 | u32 rates = 0; | |
55de908a | 1941 | struct ieee80211_supported_band *sband = wiphy->bands[band]; |
90c97a04 JM |
1942 | |
1943 | for (i = 0; i < params->basic_rates_len; i++) { | |
1944 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1945 | for (j = 0; j < sband->n_bitrates; j++) { | |
1946 | if (sband->bitrates[j].bitrate == rate) | |
1947 | rates |= BIT(j); | |
1948 | } | |
1949 | } | |
1950 | sdata->vif.bss_conf.basic_rates = rates; | |
1951 | changed |= BSS_CHANGED_BASIC_RATES; | |
1952 | } | |
1953 | ||
7b7b5e56 FF |
1954 | if (params->ap_isolate >= 0) { |
1955 | if (params->ap_isolate) | |
1956 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1957 | else | |
1958 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1959 | } | |
1960 | ||
80d7e403 HS |
1961 | if (params->ht_opmode >= 0) { |
1962 | sdata->vif.bss_conf.ht_operation_mode = | |
1963 | (u16) params->ht_opmode; | |
1964 | changed |= BSS_CHANGED_HT; | |
1965 | } | |
1966 | ||
339afbf4 | 1967 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1968 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1969 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1970 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1971 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1972 | changed |= BSS_CHANGED_P2P_PS; |
1973 | } | |
1974 | ||
67baf663 JD |
1975 | if (params->p2p_opp_ps > 0) { |
1976 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1977 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1978 | changed |= BSS_CHANGED_P2P_PS; | |
1979 | } else if (params->p2p_opp_ps == 0) { | |
1980 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1981 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1982 | changed |= BSS_CHANGED_P2P_PS; |
1983 | } | |
1984 | ||
9f1ba906 JM |
1985 | ieee80211_bss_info_change_notify(sdata, changed); |
1986 | ||
1987 | return 0; | |
1988 | } | |
1989 | ||
31888487 | 1990 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1991 | struct net_device *dev, |
31888487 JM |
1992 | struct ieee80211_txq_params *params) |
1993 | { | |
1994 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1995 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1996 | struct ieee80211_tx_queue_params p; |
1997 | ||
1998 | if (!local->ops->conf_tx) | |
1999 | return -EOPNOTSUPP; | |
2000 | ||
54bcbc69 JB |
2001 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2002 | return -EOPNOTSUPP; | |
2003 | ||
31888487 JM |
2004 | memset(&p, 0, sizeof(p)); |
2005 | p.aifs = params->aifs; | |
2006 | p.cw_max = params->cwmax; | |
2007 | p.cw_min = params->cwmin; | |
2008 | p.txop = params->txop; | |
ab13315a KV |
2009 | |
2010 | /* | |
2011 | * Setting tx queue params disables u-apsd because it's only | |
2012 | * called in master mode. | |
2013 | */ | |
2014 | p.uapsd = false; | |
2015 | ||
a3304b0a JB |
2016 | sdata->tx_conf[params->ac] = p; |
2017 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2018 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2019 | "failed to set TX queue parameters for AC %d\n", |
2020 | params->ac); | |
31888487 JM |
2021 | return -EINVAL; |
2022 | } | |
2023 | ||
7d25745d JB |
2024 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2025 | ||
31888487 JM |
2026 | return 0; |
2027 | } | |
2028 | ||
665af4fc | 2029 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2030 | static int ieee80211_suspend(struct wiphy *wiphy, |
2031 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2032 | { |
eecc4800 | 2033 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2034 | } |
2035 | ||
2036 | static int ieee80211_resume(struct wiphy *wiphy) | |
2037 | { | |
2038 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2039 | } | |
2040 | #else | |
2041 | #define ieee80211_suspend NULL | |
2042 | #define ieee80211_resume NULL | |
2043 | #endif | |
2044 | ||
2a519311 | 2045 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2046 | struct cfg80211_scan_request *req) |
2047 | { | |
fd014284 JB |
2048 | struct ieee80211_sub_if_data *sdata; |
2049 | ||
2050 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2051 | |
2ca27bcf JB |
2052 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2053 | case NL80211_IFTYPE_STATION: | |
2054 | case NL80211_IFTYPE_ADHOC: | |
2055 | case NL80211_IFTYPE_MESH_POINT: | |
2056 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2057 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2058 | break; |
2059 | case NL80211_IFTYPE_P2P_GO: | |
2060 | if (sdata->local->ops->hw_scan) | |
2061 | break; | |
e9d7732e JB |
2062 | /* |
2063 | * FIXME: implement NoA while scanning in software, | |
2064 | * for now fall through to allow scanning only when | |
2065 | * beaconing hasn't been configured yet | |
2066 | */ | |
2ca27bcf | 2067 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2068 | /* |
2069 | * If the scan has been forced (and the driver supports | |
2070 | * forcing), don't care about being beaconing already. | |
2071 | * This will create problems to the attached stations (e.g. all | |
2072 | * the frames sent while scanning on other channel will be | |
2073 | * lost) | |
2074 | */ | |
2075 | if (sdata->u.ap.beacon && | |
2076 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2077 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2078 | return -EOPNOTSUPP; |
2079 | break; | |
2080 | default: | |
2081 | return -EOPNOTSUPP; | |
2082 | } | |
2a519311 JB |
2083 | |
2084 | return ieee80211_request_scan(sdata, req); | |
2085 | } | |
2086 | ||
79f460ca LC |
2087 | static int |
2088 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2089 | struct net_device *dev, | |
2090 | struct cfg80211_sched_scan_request *req) | |
2091 | { | |
2092 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2093 | ||
2094 | if (!sdata->local->ops->sched_scan_start) | |
2095 | return -EOPNOTSUPP; | |
2096 | ||
2097 | return ieee80211_request_sched_scan_start(sdata, req); | |
2098 | } | |
2099 | ||
2100 | static int | |
85a9994a | 2101 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2102 | { |
2103 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2104 | ||
2105 | if (!sdata->local->ops->sched_scan_stop) | |
2106 | return -EOPNOTSUPP; | |
2107 | ||
85a9994a | 2108 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2109 | } |
2110 | ||
636a5d36 JM |
2111 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2112 | struct cfg80211_auth_request *req) | |
2113 | { | |
77fdaa12 | 2114 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2115 | } |
2116 | ||
2117 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2118 | struct cfg80211_assoc_request *req) | |
2119 | { | |
77fdaa12 | 2120 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2121 | } |
2122 | ||
2123 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2124 | struct cfg80211_deauth_request *req) |
636a5d36 | 2125 | { |
63c9c5e7 | 2126 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2127 | } |
2128 | ||
2129 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2130 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2131 | { |
63c9c5e7 | 2132 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2133 | } |
2134 | ||
af8cdcd8 JB |
2135 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2136 | struct cfg80211_ibss_params *params) | |
2137 | { | |
55de908a | 2138 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2139 | } |
2140 | ||
2141 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2142 | { | |
55de908a | 2143 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2144 | } |
2145 | ||
391e53e3 AQ |
2146 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2147 | int rate[IEEE80211_NUM_BANDS]) | |
2148 | { | |
2149 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2150 | ||
9887dbf5 CD |
2151 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2152 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2153 | |
2154 | return 0; | |
2155 | } | |
2156 | ||
b9a5f8ca JM |
2157 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2158 | { | |
2159 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2160 | int err; |
b9a5f8ca | 2161 | |
f23a4780 AN |
2162 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2163 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2164 | ||
2165 | if (err) | |
2166 | return err; | |
2167 | } | |
2168 | ||
310bc676 LT |
2169 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
2170 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
2171 | ||
2172 | if (err) | |
2173 | return err; | |
2174 | } | |
2175 | ||
b9a5f8ca | 2176 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2177 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2178 | |
24487981 JB |
2179 | if (err) |
2180 | return err; | |
b9a5f8ca JM |
2181 | } |
2182 | ||
8bc83c24 JB |
2183 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2184 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2185 | return -EINVAL; | |
b9a5f8ca | 2186 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2187 | } |
2188 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2189 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2190 | return -EINVAL; | |
b9a5f8ca | 2191 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2192 | } |
b9a5f8ca JM |
2193 | if (changed & |
2194 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2195 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
7643a2c3 | 2200 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2201 | struct wireless_dev *wdev, |
fa61cf70 | 2202 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2203 | { |
2204 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2205 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2206 | |
1ea6f9c0 JB |
2207 | if (wdev) { |
2208 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2209 | ||
2210 | switch (type) { | |
2211 | case NL80211_TX_POWER_AUTOMATIC: | |
2212 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2213 | break; | |
2214 | case NL80211_TX_POWER_LIMITED: | |
2215 | case NL80211_TX_POWER_FIXED: | |
2216 | if (mbm < 0 || (mbm % 100)) | |
2217 | return -EOPNOTSUPP; | |
2218 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2219 | break; | |
2220 | } | |
2221 | ||
2222 | ieee80211_recalc_txpower(sdata); | |
2223 | ||
2224 | return 0; | |
2225 | } | |
55de908a | 2226 | |
7643a2c3 | 2227 | switch (type) { |
fa61cf70 | 2228 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2229 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2230 | break; |
fa61cf70 | 2231 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2232 | case NL80211_TX_POWER_FIXED: |
2233 | if (mbm < 0 || (mbm % 100)) | |
2234 | return -EOPNOTSUPP; | |
fa61cf70 | 2235 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2236 | break; |
7643a2c3 JB |
2237 | } |
2238 | ||
1ea6f9c0 JB |
2239 | mutex_lock(&local->iflist_mtx); |
2240 | list_for_each_entry(sdata, &local->interfaces, list) | |
2241 | sdata->user_power_level = local->user_power_level; | |
2242 | list_for_each_entry(sdata, &local->interfaces, list) | |
2243 | ieee80211_recalc_txpower(sdata); | |
2244 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2245 | |
2246 | return 0; | |
2247 | } | |
2248 | ||
c8442118 JB |
2249 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2250 | struct wireless_dev *wdev, | |
2251 | int *dbm) | |
7643a2c3 JB |
2252 | { |
2253 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2254 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2255 | |
1ea6f9c0 JB |
2256 | if (!local->use_chanctx) |
2257 | *dbm = local->hw.conf.power_level; | |
2258 | else | |
2259 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2260 | |
7643a2c3 JB |
2261 | return 0; |
2262 | } | |
2263 | ||
ab737a4f | 2264 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2265 | const u8 *addr) |
ab737a4f JB |
2266 | { |
2267 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2268 | ||
2269 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2270 | ||
2271 | return 0; | |
2272 | } | |
2273 | ||
1f87f7d3 JB |
2274 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2275 | { | |
2276 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2277 | ||
2278 | drv_rfkill_poll(local); | |
2279 | } | |
2280 | ||
aff89a9b | 2281 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 2282 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
2283 | { |
2284 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2285 | ||
2286 | if (!local->ops->testmode_cmd) | |
2287 | return -EOPNOTSUPP; | |
2288 | ||
2289 | return local->ops->testmode_cmd(&local->hw, data, len); | |
2290 | } | |
71063f0e WYG |
2291 | |
2292 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2293 | struct sk_buff *skb, | |
2294 | struct netlink_callback *cb, | |
2295 | void *data, int len) | |
2296 | { | |
2297 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2298 | ||
2299 | if (!local->ops->testmode_dump) | |
2300 | return -EOPNOTSUPP; | |
2301 | ||
2302 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2303 | } | |
aff89a9b JB |
2304 | #endif |
2305 | ||
0f78231b JB |
2306 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2307 | enum ieee80211_smps_mode smps_mode) | |
2308 | { | |
2309 | const u8 *ap; | |
2310 | enum ieee80211_smps_mode old_req; | |
2311 | int err; | |
2312 | ||
243e6df4 JB |
2313 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2314 | ||
0f78231b JB |
2315 | old_req = sdata->u.mgd.req_smps; |
2316 | sdata->u.mgd.req_smps = smps_mode; | |
2317 | ||
2318 | if (old_req == smps_mode && | |
2319 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2320 | return 0; | |
2321 | ||
2322 | /* | |
2323 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2324 | * association, there's no need to do anything, just store |
2325 | * the new value until we associate. | |
0f78231b JB |
2326 | */ |
2327 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2328 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2329 | return 0; |
0f78231b | 2330 | |
0c1ad2ca | 2331 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2332 | |
2333 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2334 | if (sdata->u.mgd.powersave) | |
2335 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2336 | else | |
2337 | smps_mode = IEEE80211_SMPS_OFF; | |
2338 | } | |
2339 | ||
2340 | /* send SM PS frame to AP */ | |
2341 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2342 | ap, ap); | |
2343 | if (err) | |
2344 | sdata->u.mgd.req_smps = old_req; | |
2345 | ||
2346 | return err; | |
2347 | } | |
2348 | ||
bc92afd9 JB |
2349 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2350 | bool enabled, int timeout) | |
2351 | { | |
2352 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2353 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2354 | |
ee1f6681 CYY |
2355 | if (sdata->vif.type != NL80211_IFTYPE_STATION && |
2356 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
e5de30c9 BP |
2357 | return -EOPNOTSUPP; |
2358 | ||
bc92afd9 JB |
2359 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2360 | return -EOPNOTSUPP; | |
2361 | ||
2362 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2363 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2364 | return 0; |
2365 | ||
2366 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2367 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2368 | |
0f78231b JB |
2369 | /* no change, but if automatic follow powersave */ |
2370 | mutex_lock(&sdata->u.mgd.mtx); | |
2371 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2372 | mutex_unlock(&sdata->u.mgd.mtx); | |
2373 | ||
bc92afd9 JB |
2374 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2375 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2376 | ||
2377 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2378 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2379 | |
2380 | return 0; | |
2381 | } | |
2382 | ||
a97c13c3 JO |
2383 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2384 | struct net_device *dev, | |
2385 | s32 rssi_thold, u32 rssi_hyst) | |
2386 | { | |
2387 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2388 | struct ieee80211_vif *vif = &sdata->vif; |
2389 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2390 | ||
a97c13c3 JO |
2391 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2392 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2393 | return 0; | |
2394 | ||
2395 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2396 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2397 | ||
2398 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2399 | if (sdata->u.mgd.associated && |
2400 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2401 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2402 | ||
2403 | return 0; | |
2404 | } | |
2405 | ||
9930380f JB |
2406 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2407 | struct net_device *dev, | |
2408 | const u8 *addr, | |
2409 | const struct cfg80211_bitrate_mask *mask) | |
2410 | { | |
2411 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2412 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2413 | int i, ret; |
2c7e6bc9 | 2414 | |
554a43d5 EP |
2415 | if (!ieee80211_sdata_running(sdata)) |
2416 | return -ENETDOWN; | |
2417 | ||
bdbfd6b5 SM |
2418 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2419 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2420 | if (ret) | |
2421 | return ret; | |
2422 | } | |
9930380f | 2423 | |
19468413 | 2424 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2425 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2426 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2427 | sizeof(mask->control[i].mcs)); | |
2428 | } | |
9930380f | 2429 | |
37eb0b16 | 2430 | return 0; |
9930380f JB |
2431 | } |
2432 | ||
2eb278e0 JB |
2433 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2434 | struct ieee80211_sub_if_data *sdata, | |
2435 | struct ieee80211_channel *channel, | |
2eb278e0 | 2436 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2437 | struct sk_buff *txskb, |
2438 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2439 | { |
2440 | struct ieee80211_roc_work *roc, *tmp; | |
2441 | bool queued = false; | |
21f83589 | 2442 | int ret; |
21f83589 JB |
2443 | |
2444 | lockdep_assert_held(&local->mtx); | |
2445 | ||
fe57d9f5 JB |
2446 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2447 | return -EOPNOTSUPP; | |
2448 | ||
2eb278e0 JB |
2449 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2450 | if (!roc) | |
2451 | return -ENOMEM; | |
2452 | ||
2453 | roc->chan = channel; | |
2eb278e0 JB |
2454 | roc->duration = duration; |
2455 | roc->req_duration = duration; | |
2456 | roc->frame = txskb; | |
d339d5ca | 2457 | roc->type = type; |
2eb278e0 JB |
2458 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2459 | roc->sdata = sdata; | |
2460 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2461 | INIT_LIST_HEAD(&roc->dependents); | |
2462 | ||
2463 | /* if there's one pending or we're scanning, queue this one */ | |
164eb02d SW |
2464 | if (!list_empty(&local->roc_list) || |
2465 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2466 | goto out_check_combine; |
2467 | ||
2468 | /* if not HW assist, just queue & schedule work */ | |
2469 | if (!local->ops->remain_on_channel) { | |
2470 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2471 | goto out_queue; | |
2472 | } | |
2473 | ||
2474 | /* otherwise actually kick it off here (for error handling) */ | |
2475 | ||
2476 | /* | |
2477 | * If the duration is zero, then the driver | |
2478 | * wouldn't actually do anything. Set it to | |
2479 | * 10 for now. | |
2480 | * | |
2481 | * TODO: cancel the off-channel operation | |
2482 | * when we get the SKB's TX status and | |
2483 | * the wait time was zero before. | |
2484 | */ | |
2485 | if (!duration) | |
2486 | duration = 10; | |
2487 | ||
d339d5ca | 2488 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2489 | if (ret) { |
2eb278e0 JB |
2490 | kfree(roc); |
2491 | return ret; | |
21f83589 JB |
2492 | } |
2493 | ||
2eb278e0 JB |
2494 | roc->started = true; |
2495 | goto out_queue; | |
2496 | ||
2497 | out_check_combine: | |
2498 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2499 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2500 | continue; |
2501 | ||
2502 | /* | |
2503 | * Extend this ROC if possible: | |
2504 | * | |
2505 | * If it hasn't started yet, just increase the duration | |
2506 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2507 | * If the type of the new ROC has higher priority, modify the |
2508 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2509 | */ |
2510 | if (!tmp->started) { | |
2511 | list_add_tail(&roc->list, &tmp->dependents); | |
2512 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2513 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2514 | queued = true; |
2515 | break; | |
2516 | } | |
2517 | ||
2518 | /* If it has already started, it's more difficult ... */ | |
2519 | if (local->ops->remain_on_channel) { | |
2520 | unsigned long j = jiffies; | |
2521 | ||
2522 | /* | |
2523 | * In the offloaded ROC case, if it hasn't begun, add | |
2524 | * this new one to the dependent list to be handled | |
d339d5ca | 2525 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2526 | * check that there's still a minimum time left and |
2527 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2528 | * add it to the list directly after this one with |
2eb278e0 JB |
2529 | * a reduced time so we'll ask the driver to execute |
2530 | * it right after finishing the previous one, in the | |
2531 | * hope that it'll also be executed right afterwards, | |
2532 | * effectively extending the old one. | |
2533 | * If there's no minimum time left, just add it to the | |
2534 | * normal list. | |
d339d5ca IP |
2535 | * TODO: the ROC type is ignored here, assuming that it |
2536 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2537 | */ |
2538 | if (!tmp->hw_begun) { | |
2539 | list_add_tail(&roc->list, &tmp->dependents); | |
2540 | queued = true; | |
2541 | break; | |
2542 | } | |
2543 | ||
2544 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2545 | tmp->hw_start_time + | |
2546 | msecs_to_jiffies(tmp->duration))) { | |
2547 | int new_dur; | |
2548 | ||
2549 | ieee80211_handle_roc_started(roc); | |
2550 | ||
2551 | new_dur = roc->duration - | |
2552 | jiffies_to_msecs(tmp->hw_start_time + | |
2553 | msecs_to_jiffies( | |
2554 | tmp->duration) - | |
2555 | j); | |
2556 | ||
2557 | if (new_dur > 0) { | |
2558 | /* add right after tmp */ | |
2559 | list_add(&roc->list, &tmp->list); | |
2560 | } else { | |
2561 | list_add_tail(&roc->list, | |
2562 | &tmp->dependents); | |
2563 | } | |
2564 | queued = true; | |
2565 | } | |
2566 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2567 | unsigned long new_end; | |
2568 | ||
2569 | /* | |
2570 | * In the software ROC case, cancel the timer, if | |
2571 | * that fails then the finish work is already | |
2572 | * queued/pending and thus we queue the new ROC | |
2573 | * normally, if that succeeds then we can extend | |
2574 | * the timer duration and TX the frame (if any.) | |
2575 | */ | |
2576 | ||
2577 | list_add_tail(&roc->list, &tmp->dependents); | |
2578 | queued = true; | |
2579 | ||
2580 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2581 | ||
2582 | /* ok, it was started & we canceled timer */ | |
2583 | if (time_after(new_end, tmp->work.timer.expires)) | |
2584 | mod_timer(&tmp->work.timer, new_end); | |
2585 | else | |
2586 | add_timer(&tmp->work.timer); | |
2587 | ||
2588 | ieee80211_handle_roc_started(roc); | |
2589 | } | |
2590 | break; | |
2591 | } | |
2592 | ||
2593 | out_queue: | |
2594 | if (!queued) | |
2595 | list_add_tail(&roc->list, &local->roc_list); | |
2596 | ||
2597 | /* | |
50febf6a | 2598 | * cookie is either the roc cookie (for normal roc) |
2eb278e0 JB |
2599 | * or the SKB (for mgmt TX) |
2600 | */ | |
50febf6a JB |
2601 | if (!txskb) { |
2602 | /* local->mtx protects this */ | |
2603 | local->roc_cookie_counter++; | |
2604 | roc->cookie = local->roc_cookie_counter; | |
2605 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2606 | if (WARN_ON(roc->cookie == 0)) { | |
2607 | roc->cookie = 1; | |
2608 | local->roc_cookie_counter++; | |
2609 | } | |
2610 | *cookie = roc->cookie; | |
2611 | } else { | |
2eb278e0 | 2612 | *cookie = (unsigned long)txskb; |
50febf6a | 2613 | } |
2eb278e0 JB |
2614 | |
2615 | return 0; | |
21f83589 JB |
2616 | } |
2617 | ||
b8bc4b0a | 2618 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2619 | struct wireless_dev *wdev, |
b8bc4b0a | 2620 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2621 | unsigned int duration, |
2622 | u64 *cookie) | |
2623 | { | |
71bbc994 | 2624 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2625 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2626 | int ret; |
21f83589 | 2627 | |
2eb278e0 | 2628 | mutex_lock(&local->mtx); |
42d97a59 | 2629 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2630 | duration, cookie, NULL, |
2631 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2632 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2633 | |
2eb278e0 | 2634 | return ret; |
b8bc4b0a JB |
2635 | } |
2636 | ||
2eb278e0 JB |
2637 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2638 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2639 | { |
2eb278e0 | 2640 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2641 | int ret; |
2642 | ||
2eb278e0 JB |
2643 | mutex_lock(&local->mtx); |
2644 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2645 | struct ieee80211_roc_work *dep, *tmp2; |
2646 | ||
2647 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2648 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2649 | continue; |
2650 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2651 | continue; | |
2652 | /* found dependent item -- just remove it */ | |
2653 | list_del(&dep->list); | |
2654 | mutex_unlock(&local->mtx); | |
2655 | ||
2656 | ieee80211_roc_notify_destroy(dep); | |
2657 | return 0; | |
2658 | } | |
2659 | ||
50febf6a | 2660 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2661 | continue; |
2662 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2663 | continue; | |
21f83589 | 2664 | |
2eb278e0 JB |
2665 | found = roc; |
2666 | break; | |
2667 | } | |
21f83589 | 2668 | |
2eb278e0 JB |
2669 | if (!found) { |
2670 | mutex_unlock(&local->mtx); | |
2671 | return -ENOENT; | |
2672 | } | |
21f83589 | 2673 | |
e979e33c JB |
2674 | /* |
2675 | * We found the item to cancel, so do that. Note that it | |
2676 | * may have dependents, which we also cancel (and send | |
2677 | * the expired signal for.) Not doing so would be quite | |
2678 | * tricky here, but we may need to fix it later. | |
2679 | */ | |
2680 | ||
2eb278e0 JB |
2681 | if (local->ops->remain_on_channel) { |
2682 | if (found->started) { | |
2683 | ret = drv_cancel_remain_on_channel(local); | |
2684 | if (WARN_ON_ONCE(ret)) { | |
2685 | mutex_unlock(&local->mtx); | |
2686 | return ret; | |
2687 | } | |
2688 | } | |
21f83589 | 2689 | |
2eb278e0 | 2690 | list_del(&found->list); |
21f83589 | 2691 | |
0f6b3f59 JB |
2692 | if (found->started) |
2693 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2694 | mutex_unlock(&local->mtx); |
21f83589 | 2695 | |
2eb278e0 JB |
2696 | ieee80211_roc_notify_destroy(found); |
2697 | } else { | |
2698 | /* work may be pending so use it all the time */ | |
2699 | found->abort = true; | |
2700 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2701 | |
21f83589 JB |
2702 | mutex_unlock(&local->mtx); |
2703 | ||
2eb278e0 JB |
2704 | /* work will clean up etc */ |
2705 | flush_delayed_work(&found->work); | |
21f83589 | 2706 | } |
b8bc4b0a | 2707 | |
2eb278e0 | 2708 | return 0; |
b8bc4b0a JB |
2709 | } |
2710 | ||
2eb278e0 | 2711 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2712 | struct wireless_dev *wdev, |
2eb278e0 | 2713 | u64 cookie) |
f30221e4 | 2714 | { |
71bbc994 | 2715 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2716 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2717 | |
2eb278e0 | 2718 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2719 | } |
2720 | ||
164eb02d SW |
2721 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2722 | struct net_device *dev, | |
2723 | struct cfg80211_chan_def *chandef) | |
2724 | { | |
2725 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2726 | struct ieee80211_local *local = sdata->local; | |
2727 | unsigned long timeout; | |
2728 | int err; | |
2729 | ||
2730 | if (!list_empty(&local->roc_list) || local->scanning) | |
2731 | return -EBUSY; | |
2732 | ||
2733 | /* whatever, but channel contexts should not complain about that one */ | |
2734 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2735 | sdata->needed_rx_chains = local->rx_chains; | |
2736 | sdata->radar_required = true; | |
2737 | ||
2738 | mutex_lock(&local->iflist_mtx); | |
2739 | err = ieee80211_vif_use_channel(sdata, chandef, | |
2740 | IEEE80211_CHANCTX_SHARED); | |
2741 | mutex_unlock(&local->iflist_mtx); | |
2742 | if (err) | |
2743 | return err; | |
2744 | ||
2745 | timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); | |
2746 | ieee80211_queue_delayed_work(&sdata->local->hw, | |
2747 | &sdata->dfs_cac_timer_work, timeout); | |
2748 | ||
2749 | return 0; | |
2750 | } | |
2751 | ||
71bbc994 | 2752 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2753 | struct ieee80211_channel *chan, bool offchan, |
42d97a59 JB |
2754 | unsigned int wait, const u8 *buf, size_t len, |
2755 | bool no_cck, bool dont_wait_for_ack, u64 *cookie) | |
026331c4 | 2756 | { |
71bbc994 | 2757 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2758 | struct ieee80211_local *local = sdata->local; |
2759 | struct sk_buff *skb; | |
2760 | struct sta_info *sta; | |
2761 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2762 | bool need_offchan = false; |
e247bd90 | 2763 | u32 flags; |
2eb278e0 | 2764 | int ret; |
f7ca38df | 2765 | |
e247bd90 JB |
2766 | if (dont_wait_for_ack) |
2767 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2768 | else | |
2769 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2770 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2771 | ||
aad14ceb RM |
2772 | if (no_cck) |
2773 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2774 | ||
9d38d85d JB |
2775 | switch (sdata->vif.type) { |
2776 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2777 | if (!sdata->vif.bss_conf.ibss_joined) |
2778 | need_offchan = true; | |
2779 | /* fall through */ | |
2780 | #ifdef CONFIG_MAC80211_MESH | |
2781 | case NL80211_IFTYPE_MESH_POINT: | |
2782 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2783 | !sdata->u.mesh.mesh_id_len) | |
2784 | need_offchan = true; | |
2785 | /* fall through */ | |
2786 | #endif | |
663fcafd JB |
2787 | case NL80211_IFTYPE_AP: |
2788 | case NL80211_IFTYPE_AP_VLAN: | |
2789 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2790 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2791 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2792 | !rcu_access_pointer(sdata->bss->beacon)) | |
2793 | need_offchan = true; | |
663fcafd JB |
2794 | if (!ieee80211_is_action(mgmt->frame_control) || |
2795 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2796 | break; |
2797 | rcu_read_lock(); | |
2798 | sta = sta_info_get(sdata, mgmt->da); | |
2799 | rcu_read_unlock(); | |
2800 | if (!sta) | |
2801 | return -ENOLINK; | |
2802 | break; | |
2803 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2804 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2805 | if (!sdata->u.mgd.associated) |
2806 | need_offchan = true; | |
9d38d85d | 2807 | break; |
f142c6b9 JB |
2808 | case NL80211_IFTYPE_P2P_DEVICE: |
2809 | need_offchan = true; | |
2810 | break; | |
9d38d85d JB |
2811 | default: |
2812 | return -EOPNOTSUPP; | |
2813 | } | |
2814 | ||
2eb278e0 JB |
2815 | mutex_lock(&local->mtx); |
2816 | ||
2817 | /* Check if the operating channel is the requested channel */ | |
2818 | if (!need_offchan) { | |
55de908a JB |
2819 | struct ieee80211_chanctx_conf *chanctx_conf; |
2820 | ||
2821 | rcu_read_lock(); | |
2822 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
2823 | ||
42d97a59 | 2824 | if (chanctx_conf) |
4bf88530 | 2825 | need_offchan = chan != chanctx_conf->def.chan; |
42d97a59 | 2826 | else |
2eb278e0 | 2827 | need_offchan = true; |
55de908a | 2828 | rcu_read_unlock(); |
2eb278e0 JB |
2829 | } |
2830 | ||
2831 | if (need_offchan && !offchan) { | |
2832 | ret = -EBUSY; | |
2833 | goto out_unlock; | |
2834 | } | |
2835 | ||
9d38d85d | 2836 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2837 | if (!skb) { |
2838 | ret = -ENOMEM; | |
2839 | goto out_unlock; | |
2840 | } | |
9d38d85d JB |
2841 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2842 | ||
2843 | memcpy(skb_put(skb, len), buf, len); | |
2844 | ||
2845 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2846 | ||
2847 | skb->dev = sdata->dev; | |
9d38d85d | 2848 | |
2eb278e0 | 2849 | if (!need_offchan) { |
7f9f78ab | 2850 | *cookie = (unsigned long) skb; |
f30221e4 | 2851 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2852 | ret = 0; |
2853 | goto out_unlock; | |
f30221e4 JB |
2854 | } |
2855 | ||
6c17b77b SF |
2856 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
2857 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
2858 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
2859 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2860 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2861 | |
2eb278e0 | 2862 | /* This will handle all kinds of coalescing and immediate TX */ |
42d97a59 | 2863 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2864 | wait, cookie, skb, |
2865 | IEEE80211_ROC_TYPE_MGMT_TX); | |
2eb278e0 JB |
2866 | if (ret) |
2867 | kfree_skb(skb); | |
2868 | out_unlock: | |
2869 | mutex_unlock(&local->mtx); | |
2870 | return ret; | |
026331c4 JM |
2871 | } |
2872 | ||
f30221e4 | 2873 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2874 | struct wireless_dev *wdev, |
f30221e4 JB |
2875 | u64 cookie) |
2876 | { | |
71bbc994 | 2877 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2878 | |
2eb278e0 | 2879 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2880 | } |
2881 | ||
7be5086d | 2882 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2883 | struct wireless_dev *wdev, |
7be5086d JB |
2884 | u16 frame_type, bool reg) |
2885 | { | |
2886 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2887 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2888 | |
6abe0563 WH |
2889 | switch (frame_type) { |
2890 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2891 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2892 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2893 | |
6abe0563 WH |
2894 | if (reg) |
2895 | ifibss->auth_frame_registrations++; | |
2896 | else | |
2897 | ifibss->auth_frame_registrations--; | |
2898 | } | |
2899 | break; | |
2900 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2901 | if (reg) | |
2902 | local->probe_req_reg++; | |
2903 | else | |
2904 | local->probe_req_reg--; | |
7be5086d | 2905 | |
35f5149e FF |
2906 | if (!local->open_count) |
2907 | break; | |
2908 | ||
6abe0563 WH |
2909 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2910 | break; | |
2911 | default: | |
2912 | break; | |
2913 | } | |
7be5086d JB |
2914 | } |
2915 | ||
15d96753 BR |
2916 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2917 | { | |
2918 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2919 | ||
2920 | if (local->started) | |
2921 | return -EOPNOTSUPP; | |
2922 | ||
2923 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2924 | } | |
2925 | ||
2926 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2927 | { | |
2928 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2929 | ||
2930 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2931 | } | |
2932 | ||
38c09159 JL |
2933 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2934 | { | |
2935 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2936 | ||
2937 | return drv_set_ringparam(local, tx, rx); | |
2938 | } | |
2939 | ||
2940 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2941 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2942 | { | |
2943 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2944 | ||
2945 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2946 | } | |
2947 | ||
c68f4b89 JB |
2948 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2949 | struct net_device *dev, | |
2950 | struct cfg80211_gtk_rekey_data *data) | |
2951 | { | |
2952 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2953 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2954 | ||
2955 | if (!local->ops->set_rekey_data) | |
2956 | return -EOPNOTSUPP; | |
2957 | ||
2958 | drv_set_rekey_data(local, sdata, data); | |
2959 | ||
2960 | return 0; | |
2961 | } | |
2962 | ||
dfe018bf AN |
2963 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2964 | { | |
2965 | u8 *pos = (void *)skb_put(skb, 7); | |
2966 | ||
2967 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2968 | *pos++ = 5; /* len */ | |
2969 | *pos++ = 0x0; | |
2970 | *pos++ = 0x0; | |
2971 | *pos++ = 0x0; | |
2972 | *pos++ = 0x0; | |
2973 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2974 | } | |
2975 | ||
2976 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2977 | { | |
2978 | struct ieee80211_local *local = sdata->local; | |
2979 | u16 capab; | |
2980 | ||
2981 | capab = 0; | |
55de908a | 2982 | if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) |
dfe018bf AN |
2983 | return capab; |
2984 | ||
2985 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2986 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2987 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2988 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2989 | ||
2990 | return capab; | |
2991 | } | |
2992 | ||
2993 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2994 | u8 *peer, u8 *bssid) | |
2995 | { | |
2996 | struct ieee80211_tdls_lnkie *lnkid; | |
2997 | ||
2998 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2999 | ||
3000 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
3001 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
3002 | ||
3003 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
3004 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
3005 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
3006 | } | |
3007 | ||
3008 | static int | |
3009 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
3010 | u8 *peer, u8 action_code, u8 dialog_token, | |
3011 | u16 status_code, struct sk_buff *skb) | |
3012 | { | |
3013 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 3014 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
3015 | struct ieee80211_tdls_data *tf; |
3016 | ||
3017 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
3018 | ||
3019 | memcpy(tf->da, peer, ETH_ALEN); | |
3020 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
3021 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
3022 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
3023 | ||
3024 | switch (action_code) { | |
3025 | case WLAN_TDLS_SETUP_REQUEST: | |
3026 | tf->category = WLAN_CATEGORY_TDLS; | |
3027 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
3028 | ||
3029 | skb_put(skb, sizeof(tf->u.setup_req)); | |
3030 | tf->u.setup_req.dialog_token = dialog_token; | |
3031 | tf->u.setup_req.capability = | |
3032 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3033 | ||
55de908a JB |
3034 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3035 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3036 | ieee80211_tdls_add_ext_capab(skb); |
3037 | break; | |
3038 | case WLAN_TDLS_SETUP_RESPONSE: | |
3039 | tf->category = WLAN_CATEGORY_TDLS; | |
3040 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
3041 | ||
3042 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
3043 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
3044 | tf->u.setup_resp.dialog_token = dialog_token; | |
3045 | tf->u.setup_resp.capability = | |
3046 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3047 | ||
55de908a JB |
3048 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3049 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3050 | ieee80211_tdls_add_ext_capab(skb); |
3051 | break; | |
3052 | case WLAN_TDLS_SETUP_CONFIRM: | |
3053 | tf->category = WLAN_CATEGORY_TDLS; | |
3054 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
3055 | ||
3056 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
3057 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
3058 | tf->u.setup_cfm.dialog_token = dialog_token; | |
3059 | break; | |
3060 | case WLAN_TDLS_TEARDOWN: | |
3061 | tf->category = WLAN_CATEGORY_TDLS; | |
3062 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
3063 | ||
3064 | skb_put(skb, sizeof(tf->u.teardown)); | |
3065 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
3066 | break; | |
3067 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3068 | tf->category = WLAN_CATEGORY_TDLS; | |
3069 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
3070 | ||
3071 | skb_put(skb, sizeof(tf->u.discover_req)); | |
3072 | tf->u.discover_req.dialog_token = dialog_token; | |
3073 | break; | |
3074 | default: | |
3075 | return -EINVAL; | |
3076 | } | |
3077 | ||
3078 | return 0; | |
3079 | } | |
3080 | ||
3081 | static int | |
3082 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
3083 | u8 *peer, u8 action_code, u8 dialog_token, | |
3084 | u16 status_code, struct sk_buff *skb) | |
3085 | { | |
3086 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 3087 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
3088 | struct ieee80211_mgmt *mgmt; |
3089 | ||
3090 | mgmt = (void *)skb_put(skb, 24); | |
3091 | memset(mgmt, 0, 24); | |
3092 | memcpy(mgmt->da, peer, ETH_ALEN); | |
3093 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
3094 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
3095 | ||
3096 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3097 | IEEE80211_STYPE_ACTION); | |
3098 | ||
3099 | switch (action_code) { | |
3100 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3101 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
3102 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
3103 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
3104 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
3105 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
3106 | dialog_token; | |
3107 | mgmt->u.action.u.tdls_discover_resp.capability = | |
3108 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3109 | ||
55de908a JB |
3110 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3111 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3112 | ieee80211_tdls_add_ext_capab(skb); |
3113 | break; | |
3114 | default: | |
3115 | return -EINVAL; | |
3116 | } | |
3117 | ||
3118 | return 0; | |
3119 | } | |
3120 | ||
3121 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
3122 | u8 *peer, u8 action_code, u8 dialog_token, | |
3123 | u16 status_code, const u8 *extra_ies, | |
3124 | size_t extra_ies_len) | |
3125 | { | |
3126 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3127 | struct ieee80211_local *local = sdata->local; | |
dfe018bf AN |
3128 | struct sk_buff *skb = NULL; |
3129 | bool send_direct; | |
3130 | int ret; | |
3131 | ||
3132 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3133 | return -ENOTSUPP; | |
3134 | ||
3135 | /* make sure we are in managed mode, and associated */ | |
3136 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
3137 | !sdata->u.mgd.associated) | |
3138 | return -EINVAL; | |
3139 | ||
bdcbd8e0 JB |
3140 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
3141 | action_code, peer); | |
dfe018bf AN |
3142 | |
3143 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
3144 | max(sizeof(struct ieee80211_mgmt), | |
3145 | sizeof(struct ieee80211_tdls_data)) + | |
3146 | 50 + /* supported rates */ | |
3147 | 7 + /* ext capab */ | |
3148 | extra_ies_len + | |
3149 | sizeof(struct ieee80211_tdls_lnkie)); | |
3150 | if (!skb) | |
3151 | return -ENOMEM; | |
3152 | ||
dfe018bf AN |
3153 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3154 | ||
3155 | switch (action_code) { | |
3156 | case WLAN_TDLS_SETUP_REQUEST: | |
3157 | case WLAN_TDLS_SETUP_RESPONSE: | |
3158 | case WLAN_TDLS_SETUP_CONFIRM: | |
3159 | case WLAN_TDLS_TEARDOWN: | |
3160 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3161 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
3162 | action_code, dialog_token, | |
3163 | status_code, skb); | |
3164 | send_direct = false; | |
3165 | break; | |
3166 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3167 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
3168 | dialog_token, status_code, | |
3169 | skb); | |
3170 | send_direct = true; | |
3171 | break; | |
3172 | default: | |
3173 | ret = -ENOTSUPP; | |
3174 | break; | |
3175 | } | |
3176 | ||
3177 | if (ret < 0) | |
3178 | goto fail; | |
3179 | ||
3180 | if (extra_ies_len) | |
3181 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
3182 | ||
3183 | /* the TDLS link IE is always added last */ | |
3184 | switch (action_code) { | |
3185 | case WLAN_TDLS_SETUP_REQUEST: | |
3186 | case WLAN_TDLS_SETUP_CONFIRM: | |
3187 | case WLAN_TDLS_TEARDOWN: | |
3188 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3189 | /* we are the initiator */ | |
3190 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
3191 | sdata->u.mgd.bssid); | |
3192 | break; | |
3193 | case WLAN_TDLS_SETUP_RESPONSE: | |
3194 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3195 | /* we are the responder */ | |
3196 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
3197 | sdata->u.mgd.bssid); | |
3198 | break; | |
3199 | default: | |
3200 | ret = -ENOTSUPP; | |
3201 | goto fail; | |
3202 | } | |
3203 | ||
3204 | if (send_direct) { | |
3205 | ieee80211_tx_skb(sdata, skb); | |
3206 | return 0; | |
3207 | } | |
3208 | ||
3209 | /* | |
3210 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
3211 | * we should default to AC_VI. | |
3212 | */ | |
3213 | switch (action_code) { | |
3214 | case WLAN_TDLS_SETUP_REQUEST: | |
3215 | case WLAN_TDLS_SETUP_RESPONSE: | |
3216 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
3217 | skb->priority = 2; | |
3218 | break; | |
3219 | default: | |
3220 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
3221 | skb->priority = 5; | |
3222 | break; | |
3223 | } | |
3224 | ||
3225 | /* disable bottom halves when entering the Tx path */ | |
3226 | local_bh_disable(); | |
3227 | ret = ieee80211_subif_start_xmit(skb, dev); | |
3228 | local_bh_enable(); | |
3229 | ||
3230 | return ret; | |
3231 | ||
3232 | fail: | |
3233 | dev_kfree_skb(skb); | |
3234 | return ret; | |
3235 | } | |
3236 | ||
3237 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
3238 | u8 *peer, enum nl80211_tdls_operation oper) | |
3239 | { | |
941c93cd | 3240 | struct sta_info *sta; |
dfe018bf AN |
3241 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3242 | ||
3243 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3244 | return -ENOTSUPP; | |
3245 | ||
3246 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3247 | return -EINVAL; | |
3248 | ||
bdcbd8e0 | 3249 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
3250 | |
3251 | switch (oper) { | |
3252 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
3253 | rcu_read_lock(); |
3254 | sta = sta_info_get(sdata, peer); | |
3255 | if (!sta) { | |
3256 | rcu_read_unlock(); | |
3257 | return -ENOLINK; | |
3258 | } | |
3259 | ||
c2c98fde | 3260 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 3261 | rcu_read_unlock(); |
dfe018bf AN |
3262 | break; |
3263 | case NL80211_TDLS_DISABLE_LINK: | |
3264 | return sta_info_destroy_addr(sdata, peer); | |
3265 | case NL80211_TDLS_TEARDOWN: | |
3266 | case NL80211_TDLS_SETUP: | |
3267 | case NL80211_TDLS_DISCOVERY_REQ: | |
3268 | /* We don't support in-driver setup/teardown/discovery */ | |
3269 | return -ENOTSUPP; | |
3270 | default: | |
3271 | return -ENOTSUPP; | |
3272 | } | |
3273 | ||
3274 | return 0; | |
3275 | } | |
3276 | ||
06500736 JB |
3277 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3278 | const u8 *peer, u64 *cookie) | |
3279 | { | |
3280 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3281 | struct ieee80211_local *local = sdata->local; | |
3282 | struct ieee80211_qos_hdr *nullfunc; | |
3283 | struct sk_buff *skb; | |
3284 | int size = sizeof(*nullfunc); | |
3285 | __le16 fc; | |
3286 | bool qos; | |
3287 | struct ieee80211_tx_info *info; | |
3288 | struct sta_info *sta; | |
55de908a JB |
3289 | struct ieee80211_chanctx_conf *chanctx_conf; |
3290 | enum ieee80211_band band; | |
06500736 JB |
3291 | |
3292 | rcu_read_lock(); | |
55de908a JB |
3293 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3294 | if (WARN_ON(!chanctx_conf)) { | |
3295 | rcu_read_unlock(); | |
3296 | return -EINVAL; | |
3297 | } | |
4bf88530 | 3298 | band = chanctx_conf->def.chan->band; |
06500736 | 3299 | sta = sta_info_get(sdata, peer); |
b4487c2d | 3300 | if (sta) { |
06500736 | 3301 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3302 | } else { |
3303 | rcu_read_unlock(); | |
06500736 | 3304 | return -ENOLINK; |
b4487c2d | 3305 | } |
06500736 JB |
3306 | |
3307 | if (qos) { | |
3308 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3309 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3310 | IEEE80211_FCTL_FROMDS); | |
3311 | } else { | |
3312 | size -= 2; | |
3313 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3314 | IEEE80211_STYPE_NULLFUNC | | |
3315 | IEEE80211_FCTL_FROMDS); | |
3316 | } | |
3317 | ||
3318 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3319 | if (!skb) { |
3320 | rcu_read_unlock(); | |
06500736 | 3321 | return -ENOMEM; |
55de908a | 3322 | } |
06500736 JB |
3323 | |
3324 | skb->dev = dev; | |
3325 | ||
3326 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3327 | ||
3328 | nullfunc = (void *) skb_put(skb, size); | |
3329 | nullfunc->frame_control = fc; | |
3330 | nullfunc->duration_id = 0; | |
3331 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3332 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3333 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3334 | nullfunc->seq_ctrl = 0; | |
3335 | ||
3336 | info = IEEE80211_SKB_CB(skb); | |
3337 | ||
3338 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3339 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3340 | ||
3341 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3342 | skb->priority = 7; | |
3343 | if (qos) | |
3344 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3345 | ||
3346 | local_bh_disable(); | |
55de908a | 3347 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3348 | local_bh_enable(); |
55de908a | 3349 | rcu_read_unlock(); |
06500736 JB |
3350 | |
3351 | *cookie = (unsigned long) skb; | |
3352 | return 0; | |
3353 | } | |
3354 | ||
683b6d3b JB |
3355 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3356 | struct wireless_dev *wdev, | |
3357 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3358 | { |
55de908a | 3359 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3360 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3361 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3362 | int ret = -ENODATA; |
55de908a JB |
3363 | |
3364 | rcu_read_lock(); | |
feda3027 JB |
3365 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3366 | if (chanctx_conf) { | |
3367 | *chandef = chanctx_conf->def; | |
3368 | ret = 0; | |
3369 | } else if (local->open_count > 0 && | |
3370 | local->open_count == local->monitors && | |
3371 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3372 | if (local->use_chanctx) | |
3373 | *chandef = local->monitor_chandef; | |
3374 | else | |
675a0b04 | 3375 | *chandef = local->_oper_chandef; |
683b6d3b | 3376 | ret = 0; |
55de908a JB |
3377 | } |
3378 | rcu_read_unlock(); | |
5b7ccaf3 | 3379 | |
683b6d3b | 3380 | return ret; |
5b7ccaf3 JB |
3381 | } |
3382 | ||
6d52563f JB |
3383 | #ifdef CONFIG_PM |
3384 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3385 | { | |
3386 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3387 | } | |
3388 | #endif | |
3389 | ||
f0706e82 JB |
3390 | struct cfg80211_ops mac80211_config_ops = { |
3391 | .add_virtual_intf = ieee80211_add_iface, | |
3392 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3393 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3394 | .start_p2p_device = ieee80211_start_p2p_device, |
3395 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3396 | .add_key = ieee80211_add_key, |
3397 | .del_key = ieee80211_del_key, | |
62da92fb | 3398 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3399 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3400 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3401 | .start_ap = ieee80211_start_ap, |
3402 | .change_beacon = ieee80211_change_beacon, | |
3403 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3404 | .add_station = ieee80211_add_station, |
3405 | .del_station = ieee80211_del_station, | |
3406 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3407 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3408 | .dump_station = ieee80211_dump_station, |
1289723e | 3409 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3410 | #ifdef CONFIG_MAC80211_MESH |
3411 | .add_mpath = ieee80211_add_mpath, | |
3412 | .del_mpath = ieee80211_del_mpath, | |
3413 | .change_mpath = ieee80211_change_mpath, | |
3414 | .get_mpath = ieee80211_get_mpath, | |
3415 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3416 | .update_mesh_config = ieee80211_update_mesh_config, |
3417 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3418 | .join_mesh = ieee80211_join_mesh, |
3419 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3420 | #endif |
9f1ba906 | 3421 | .change_bss = ieee80211_change_bss, |
31888487 | 3422 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3423 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3424 | .suspend = ieee80211_suspend, |
3425 | .resume = ieee80211_resume, | |
2a519311 | 3426 | .scan = ieee80211_scan, |
79f460ca LC |
3427 | .sched_scan_start = ieee80211_sched_scan_start, |
3428 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3429 | .auth = ieee80211_auth, |
3430 | .assoc = ieee80211_assoc, | |
3431 | .deauth = ieee80211_deauth, | |
3432 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3433 | .join_ibss = ieee80211_join_ibss, |
3434 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3435 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3436 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3437 | .set_tx_power = ieee80211_set_tx_power, |
3438 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3439 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3440 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3441 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3442 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3443 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3444 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3445 | .remain_on_channel = ieee80211_remain_on_channel, |
3446 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3447 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3448 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3449 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3450 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3451 | .set_antenna = ieee80211_set_antenna, |
3452 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3453 | .set_ringparam = ieee80211_set_ringparam, |
3454 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3455 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3456 | .tdls_oper = ieee80211_tdls_oper, |
3457 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3458 | .probe_client = ieee80211_probe_client, |
b53be792 | 3459 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3460 | #ifdef CONFIG_PM |
3461 | .set_wakeup = ieee80211_set_wakeup, | |
3462 | #endif | |
b1ab7925 BG |
3463 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3464 | .get_et_stats = ieee80211_get_et_stats, | |
3465 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3466 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3467 | .start_radar_detection = ieee80211_start_radar_detection, |
f0706e82 | 3468 | }; |