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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)) { | |
31eba5bc FF |
76 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
77 | MONITOR_FLAG_ACTIVE; | |
78 | ||
85416a4f | 79 | /* |
31eba5bc FF |
80 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
81 | * MONITOR_FLAG_ACTIVE to be changed while the | |
82 | * interface is up. | |
85416a4f CL |
83 | * Else we would need to add a lot of cruft |
84 | * to update everything: | |
85 | * cooked_mntrs, monitor and all fif_* counters | |
86 | * reconfigure hardware | |
87 | */ | |
31eba5bc | 88 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
85416a4f CL |
89 | return -EBUSY; |
90 | ||
91 | ieee80211_adjust_monitor_flags(sdata, -1); | |
92 | sdata->u.mntr_flags = *flags; | |
93 | ieee80211_adjust_monitor_flags(sdata, 1); | |
94 | ||
95 | ieee80211_configure_filter(local); | |
96 | } else { | |
97 | /* | |
98 | * Because the interface is down, ieee80211_do_stop | |
99 | * and ieee80211_do_open take care of "everything" | |
100 | * mentioned in the comment above. | |
101 | */ | |
102 | sdata->u.mntr_flags = *flags; | |
103 | } | |
104 | } | |
f7917af9 | 105 | |
42613db7 JB |
106 | return 0; |
107 | } | |
108 | ||
f142c6b9 JB |
109 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
110 | struct wireless_dev *wdev) | |
111 | { | |
b6a55015 LC |
112 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
113 | int ret; | |
114 | ||
115 | mutex_lock(&sdata->local->chanctx_mtx); | |
116 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
117 | mutex_unlock(&sdata->local->chanctx_mtx); | |
118 | if (ret < 0) | |
119 | return ret; | |
120 | ||
f142c6b9 JB |
121 | return ieee80211_do_open(wdev, true); |
122 | } | |
123 | ||
124 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
125 | struct wireless_dev *wdev) | |
126 | { | |
127 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
128 | } | |
129 | ||
b53be792 SW |
130 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
131 | struct net_device *dev, | |
132 | u16 noack_map) | |
133 | { | |
134 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
135 | ||
136 | sdata->noack_map = noack_map; | |
137 | return 0; | |
138 | } | |
139 | ||
e8cbb4cb | 140 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 141 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
142 | struct key_params *params) |
143 | { | |
26a58456 | 144 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 145 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 146 | struct sta_info *sta = NULL; |
2475b1cc | 147 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 148 | struct ieee80211_key *key; |
3b96766f | 149 | int err; |
e8cbb4cb | 150 | |
26a58456 | 151 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
152 | return -ENETDOWN; |
153 | ||
97359d12 | 154 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
155 | switch (params->cipher) { |
156 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 157 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 158 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 159 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 160 | return -EINVAL; |
3cfcf6ac | 161 | break; |
2475b1cc MS |
162 | case WLAN_CIPHER_SUITE_CCMP: |
163 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
164 | case WLAN_CIPHER_SUITE_GCMP: | |
165 | break; | |
e8cbb4cb | 166 | default: |
2475b1cc | 167 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 168 | break; |
e8cbb4cb JB |
169 | } |
170 | ||
97359d12 | 171 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
172 | params->key, params->seq_len, params->seq, |
173 | cs); | |
1ac62ba7 BH |
174 | if (IS_ERR(key)) |
175 | return PTR_ERR(key); | |
db4d1169 | 176 | |
e31b8213 JB |
177 | if (pairwise) |
178 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
179 | ||
2475b1cc | 180 | mutex_lock(&local->sta_mtx); |
3b96766f | 181 | |
e8cbb4cb | 182 | if (mac_addr) { |
ff973af7 TP |
183 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
184 | sta = sta_info_get(sdata, mac_addr); | |
185 | else | |
186 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
187 | /* |
188 | * The ASSOC test makes sure the driver is ready to | |
189 | * receive the key. When wpa_supplicant has roamed | |
190 | * using FT, it attempts to set the key before | |
191 | * association has completed, this rejects that attempt | |
192 | * so it will set the key again after assocation. | |
193 | * | |
194 | * TODO: accept the key if we have a station entry and | |
195 | * add it to the device after the station. | |
196 | */ | |
197 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 198 | ieee80211_key_free_unused(key); |
3b96766f JB |
199 | err = -ENOENT; |
200 | goto out_unlock; | |
db4d1169 | 201 | } |
e8cbb4cb JB |
202 | } |
203 | ||
e548c49e JB |
204 | switch (sdata->vif.type) { |
205 | case NL80211_IFTYPE_STATION: | |
206 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
207 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
208 | break; | |
209 | case NL80211_IFTYPE_AP: | |
210 | case NL80211_IFTYPE_AP_VLAN: | |
211 | /* Keys without a station are used for TX only */ | |
212 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
213 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
214 | break; | |
215 | case NL80211_IFTYPE_ADHOC: | |
216 | /* no MFP (yet) */ | |
217 | break; | |
218 | case NL80211_IFTYPE_MESH_POINT: | |
219 | #ifdef CONFIG_MAC80211_MESH | |
220 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
221 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
222 | break; | |
223 | #endif | |
224 | case NL80211_IFTYPE_WDS: | |
225 | case NL80211_IFTYPE_MONITOR: | |
226 | case NL80211_IFTYPE_P2P_DEVICE: | |
227 | case NL80211_IFTYPE_UNSPECIFIED: | |
228 | case NUM_NL80211_IFTYPES: | |
229 | case NL80211_IFTYPE_P2P_CLIENT: | |
230 | case NL80211_IFTYPE_P2P_GO: | |
231 | /* shouldn't happen */ | |
232 | WARN_ON_ONCE(1); | |
233 | break; | |
234 | } | |
235 | ||
2475b1cc MS |
236 | if (sta) |
237 | sta->cipher_scheme = cs; | |
238 | ||
3ffc2a90 | 239 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 240 | |
3b96766f | 241 | out_unlock: |
2475b1cc | 242 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
243 | |
244 | return err; | |
e8cbb4cb JB |
245 | } |
246 | ||
247 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 248 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 249 | { |
5c0c3641 JB |
250 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
251 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 252 | struct sta_info *sta; |
5c0c3641 | 253 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
254 | int ret; |
255 | ||
5c0c3641 JB |
256 | mutex_lock(&local->sta_mtx); |
257 | mutex_lock(&local->key_mtx); | |
3b96766f | 258 | |
e8cbb4cb | 259 | if (mac_addr) { |
3b96766f JB |
260 | ret = -ENOENT; |
261 | ||
0e5ded5a | 262 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 263 | if (!sta) |
3b96766f | 264 | goto out_unlock; |
e8cbb4cb | 265 | |
5c0c3641 | 266 | if (pairwise) |
2475b1cc | 267 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 268 | else |
40b275b6 | 269 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 270 | } else |
40b275b6 | 271 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 272 | |
5c0c3641 | 273 | if (!key) { |
3b96766f JB |
274 | ret = -ENOENT; |
275 | goto out_unlock; | |
276 | } | |
e8cbb4cb | 277 | |
3b8d9c29 | 278 | ieee80211_key_free(key, true); |
e8cbb4cb | 279 | |
3b96766f JB |
280 | ret = 0; |
281 | out_unlock: | |
5c0c3641 JB |
282 | mutex_unlock(&local->key_mtx); |
283 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
284 | |
285 | return ret; | |
e8cbb4cb JB |
286 | } |
287 | ||
62da92fb | 288 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
289 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
290 | void *cookie, | |
62da92fb JB |
291 | void (*callback)(void *cookie, |
292 | struct key_params *params)) | |
293 | { | |
14db74bc | 294 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
295 | struct sta_info *sta = NULL; |
296 | u8 seq[6] = {0}; | |
297 | struct key_params params; | |
e31b8213 | 298 | struct ieee80211_key *key = NULL; |
aba83a0b | 299 | u64 pn64; |
62da92fb JB |
300 | u32 iv32; |
301 | u16 iv16; | |
302 | int err = -ENOENT; | |
303 | ||
14db74bc JB |
304 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
305 | ||
3b96766f JB |
306 | rcu_read_lock(); |
307 | ||
62da92fb | 308 | if (mac_addr) { |
0e5ded5a | 309 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
310 | if (!sta) |
311 | goto out; | |
312 | ||
354e159d | 313 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 314 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
315 | else if (!pairwise && |
316 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 317 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 318 | } else |
a3836e02 | 319 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
320 | |
321 | if (!key) | |
322 | goto out; | |
323 | ||
324 | memset(¶ms, 0, sizeof(params)); | |
325 | ||
97359d12 | 326 | params.cipher = key->conf.cipher; |
62da92fb | 327 | |
97359d12 JB |
328 | switch (key->conf.cipher) { |
329 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
330 | iv32 = key->u.tkip.tx.iv32; |
331 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 332 | |
24487981 JB |
333 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
334 | drv_get_tkip_seq(sdata->local, | |
335 | key->conf.hw_key_idx, | |
336 | &iv32, &iv16); | |
62da92fb JB |
337 | |
338 | seq[0] = iv16 & 0xff; | |
339 | seq[1] = (iv16 >> 8) & 0xff; | |
340 | seq[2] = iv32 & 0xff; | |
341 | seq[3] = (iv32 >> 8) & 0xff; | |
342 | seq[4] = (iv32 >> 16) & 0xff; | |
343 | seq[5] = (iv32 >> 24) & 0xff; | |
344 | params.seq = seq; | |
345 | params.seq_len = 6; | |
346 | break; | |
97359d12 | 347 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
348 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
349 | seq[0] = pn64; | |
350 | seq[1] = pn64 >> 8; | |
351 | seq[2] = pn64 >> 16; | |
352 | seq[3] = pn64 >> 24; | |
353 | seq[4] = pn64 >> 32; | |
354 | seq[5] = pn64 >> 40; | |
62da92fb JB |
355 | params.seq = seq; |
356 | params.seq_len = 6; | |
357 | break; | |
97359d12 | 358 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
359 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
360 | seq[0] = pn64; | |
361 | seq[1] = pn64 >> 8; | |
362 | seq[2] = pn64 >> 16; | |
363 | seq[3] = pn64 >> 24; | |
364 | seq[4] = pn64 >> 32; | |
365 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
366 | params.seq = seq; |
367 | params.seq_len = 6; | |
368 | break; | |
62da92fb JB |
369 | } |
370 | ||
371 | params.key = key->conf.key; | |
372 | params.key_len = key->conf.keylen; | |
373 | ||
374 | callback(cookie, ¶ms); | |
375 | err = 0; | |
376 | ||
377 | out: | |
3b96766f | 378 | rcu_read_unlock(); |
62da92fb JB |
379 | return err; |
380 | } | |
381 | ||
e8cbb4cb JB |
382 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
383 | struct net_device *dev, | |
dbd2fd65 JB |
384 | u8 key_idx, bool uni, |
385 | bool multi) | |
e8cbb4cb | 386 | { |
ad0e2b5a | 387 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 388 | |
f7e0104c | 389 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
390 | |
391 | return 0; | |
392 | } | |
393 | ||
3cfcf6ac JM |
394 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
395 | struct net_device *dev, | |
396 | u8 key_idx) | |
397 | { | |
66c52421 | 398 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 399 | |
3cfcf6ac JM |
400 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
401 | ||
3cfcf6ac JM |
402 | return 0; |
403 | } | |
404 | ||
6b62bf32 TP |
405 | void sta_set_rate_info_tx(struct sta_info *sta, |
406 | const struct ieee80211_tx_rate *rate, | |
407 | struct rate_info *rinfo) | |
408 | { | |
409 | rinfo->flags = 0; | |
8bc83c24 | 410 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 411 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
412 | rinfo->mcs = rate->idx; |
413 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
414 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
415 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
416 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
417 | } else { | |
418 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
419 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
420 | u16 brate; | |
421 | ||
8bc83c24 JB |
422 | sband = sta->local->hw.wiphy->bands[ |
423 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
424 | brate = sband->bitrates[rate->idx].bitrate; |
425 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 426 | } |
6b62bf32 TP |
427 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
428 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
429 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
430 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
431 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
432 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
433 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
434 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
435 | } |
436 | ||
003e676a S |
437 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
438 | { | |
439 | rinfo->flags = 0; | |
440 | ||
441 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
442 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
443 | rinfo->mcs = sta->last_rx_rate_idx; | |
444 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
445 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
446 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
447 | rinfo->mcs = sta->last_rx_rate_idx; | |
448 | } else { | |
449 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
450 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
451 | u16 brate; | |
003e676a S |
452 | |
453 | sband = sta->local->hw.wiphy->bands[ | |
454 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
455 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
456 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
003e676a S |
457 | } |
458 | ||
459 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
460 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
461 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
462 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1b8d242a | 463 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) |
003e676a | 464 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; |
1b8d242a | 465 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ) |
003e676a | 466 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; |
1b8d242a | 467 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) |
003e676a S |
468 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; |
469 | } | |
470 | ||
c5dd9c2b LCC |
471 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
472 | { | |
d0709a65 | 473 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 474 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 475 | struct timespec uptime; |
560d2682 | 476 | u64 packets = 0; |
ef0621e8 | 477 | int i, ac; |
c5dd9c2b | 478 | |
f5ea9120 JB |
479 | sinfo->generation = sdata->local->sta_generation; |
480 | ||
c5dd9c2b | 481 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
560d2682 JB |
482 | STATION_INFO_RX_BYTES64 | |
483 | STATION_INFO_TX_BYTES64 | | |
98c8a60a JM |
484 | STATION_INFO_RX_PACKETS | |
485 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
486 | STATION_INFO_TX_RETRIES | |
487 | STATION_INFO_TX_FAILED | | |
5a5c731a | 488 | STATION_INFO_TX_BITRATE | |
3af6334c | 489 | STATION_INFO_RX_BITRATE | |
f4263c98 | 490 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 491 | STATION_INFO_BSS_PARAM | |
7a724767 | 492 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
493 | STATION_INFO_STA_FLAGS | |
494 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
495 | |
496 | do_posix_clock_monotonic_gettime(&uptime); | |
497 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
498 | |
499 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
560d2682 JB |
500 | sinfo->tx_bytes = 0; |
501 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
502 | sinfo->tx_bytes += sta->tx_bytes[ac]; | |
503 | packets += sta->tx_packets[ac]; | |
504 | } | |
505 | sinfo->tx_packets = packets; | |
c5dd9c2b | 506 | sinfo->rx_bytes = sta->rx_bytes; |
98c8a60a | 507 | sinfo->rx_packets = sta->rx_packets; |
b206b4ef BR |
508 | sinfo->tx_retries = sta->tx_retry_count; |
509 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 510 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 511 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 512 | |
19deffbe JL |
513 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
514 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 515 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
516 | if (!local->ops->get_rssi || |
517 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
518 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 519 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab | 520 | } |
ef0621e8 FF |
521 | if (sta->chains) { |
522 | sinfo->filled |= STATION_INFO_CHAIN_SIGNAL | | |
523 | STATION_INFO_CHAIN_SIGNAL_AVG; | |
524 | ||
525 | sinfo->chains = sta->chains; | |
526 | for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { | |
527 | sinfo->chain_signal[i] = sta->chain_signal_last[i]; | |
528 | sinfo->chain_signal_avg[i] = | |
529 | (s8) -ewma_read(&sta->chain_signal_avg[i]); | |
530 | } | |
531 | } | |
420e7fab | 532 | |
6b62bf32 | 533 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
003e676a | 534 | sta_set_rate_info_rx(sta, &sinfo->rxrate); |
420e7fab | 535 | |
902acc78 | 536 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 537 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
538 | sinfo->filled |= STATION_INFO_LLID | |
539 | STATION_INFO_PLID | | |
3f52b7e3 MP |
540 | STATION_INFO_PLINK_STATE | |
541 | STATION_INFO_LOCAL_PM | | |
542 | STATION_INFO_PEER_PM | | |
543 | STATION_INFO_NONPEER_PM; | |
c5dd9c2b | 544 | |
6f101ef0 CYY |
545 | sinfo->llid = sta->llid; |
546 | sinfo->plid = sta->plid; | |
c5dd9c2b | 547 | sinfo->plink_state = sta->plink_state; |
d299a1f2 JC |
548 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
549 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
550 | sinfo->t_offset = sta->t_offset; | |
551 | } | |
3f52b7e3 MP |
552 | sinfo->local_pm = sta->local_pm; |
553 | sinfo->peer_pm = sta->peer_pm; | |
554 | sinfo->nonpeer_pm = sta->nonpeer_pm; | |
c5dd9c2b | 555 | #endif |
902acc78 | 556 | } |
f4263c98 PS |
557 | |
558 | sinfo->bss_param.flags = 0; | |
559 | if (sdata->vif.bss_conf.use_cts_prot) | |
560 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
561 | if (sdata->vif.bss_conf.use_short_preamble) | |
562 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
563 | if (sdata->vif.bss_conf.use_short_slot) | |
564 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
565 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
566 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
567 | |
568 | sinfo->sta_flags.set = 0; | |
569 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
570 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
571 | BIT(NL80211_STA_FLAG_WME) | | |
572 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 | 573 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
d582cffb | 574 | BIT(NL80211_STA_FLAG_ASSOCIATED) | |
e4121562 | 575 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
7a724767 HS |
576 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
577 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
578 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
579 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
580 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
581 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
582 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
583 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
584 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
585 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
d582cffb JB |
586 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
587 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
e4121562 HS |
588 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
589 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
590 | } |
591 | ||
b1ab7925 BG |
592 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
593 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
594 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
595 | "tx_packets", "tx_bytes", "tx_fragments", | |
596 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
597 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
598 | "channel", "noise", "ch_time", "ch_time_busy", | |
599 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
600 | }; |
601 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
602 | ||
603 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
604 | struct net_device *dev, | |
605 | int sset) | |
606 | { | |
e352114f BG |
607 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
608 | int rv = 0; | |
609 | ||
b1ab7925 | 610 | if (sset == ETH_SS_STATS) |
e352114f BG |
611 | rv += STA_STATS_LEN; |
612 | ||
613 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 614 | |
e352114f BG |
615 | if (rv == 0) |
616 | return -EOPNOTSUPP; | |
617 | return rv; | |
b1ab7925 BG |
618 | } |
619 | ||
620 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
621 | struct net_device *dev, | |
622 | struct ethtool_stats *stats, | |
623 | u64 *data) | |
624 | { | |
625 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
626 | struct ieee80211_chanctx_conf *chanctx_conf; |
627 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
628 | struct sta_info *sta; |
629 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
630 | struct station_info sinfo; |
631 | struct survey_info survey; | |
632 | int i, q; | |
633 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
634 | |
635 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
636 | ||
637 | #define ADD_STA_STATS(sta) \ | |
638 | do { \ | |
639 | data[i++] += sta->rx_packets; \ | |
640 | data[i++] += sta->rx_bytes; \ | |
641 | data[i++] += sta->wep_weak_iv_count; \ | |
642 | data[i++] += sta->num_duplicates; \ | |
643 | data[i++] += sta->rx_fragments; \ | |
644 | data[i++] += sta->rx_dropped; \ | |
645 | \ | |
560d2682 JB |
646 | data[i++] += sinfo.tx_packets; \ |
647 | data[i++] += sinfo.tx_bytes; \ | |
b1ab7925 BG |
648 | data[i++] += sta->tx_fragments; \ |
649 | data[i++] += sta->tx_filtered_count; \ | |
650 | data[i++] += sta->tx_retry_failed; \ | |
651 | data[i++] += sta->tx_retry_count; \ | |
652 | data[i++] += sta->beacon_loss_count; \ | |
653 | } while (0) | |
654 | ||
655 | /* For Managed stations, find the single station based on BSSID | |
656 | * and use that. For interface types, iterate through all available | |
657 | * stations and add stats for any station that is assigned to this | |
658 | * network device. | |
659 | */ | |
660 | ||
66572cfc | 661 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
662 | |
663 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
664 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
665 | |
666 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
667 | goto do_survey; | |
668 | ||
560d2682 JB |
669 | sinfo.filled = 0; |
670 | sta_set_sinfo(sta, &sinfo); | |
671 | ||
3073a7c2 BG |
672 | i = 0; |
673 | ADD_STA_STATS(sta); | |
674 | ||
675 | data[i++] = sta->sta_state; | |
676 | ||
3073a7c2 | 677 | |
5204267d | 678 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
679 | data[i] = 100000 * |
680 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
681 | i++; | |
5204267d | 682 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
683 | data[i] = 100000 * |
684 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
685 | i++; | |
686 | ||
5204267d | 687 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
688 | data[i] = (u8)sinfo.signal_avg; |
689 | i++; | |
b1ab7925 | 690 | } else { |
66572cfc | 691 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
692 | /* Make sure this station belongs to the proper dev */ |
693 | if (sta->sdata->dev != dev) | |
694 | continue; | |
695 | ||
e13bae4f JB |
696 | sinfo.filled = 0; |
697 | sta_set_sinfo(sta, &sinfo); | |
b1ab7925 BG |
698 | i = 0; |
699 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
700 | } |
701 | } | |
702 | ||
3073a7c2 BG |
703 | do_survey: |
704 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
705 | /* Get survey stats for current channel */ | |
55de908a | 706 | survey.filled = 0; |
3073a7c2 | 707 | |
55de908a JB |
708 | rcu_read_lock(); |
709 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
710 | if (chanctx_conf) | |
4bf88530 | 711 | channel = chanctx_conf->def.chan; |
55de908a JB |
712 | else |
713 | channel = NULL; | |
714 | rcu_read_unlock(); | |
715 | ||
716 | if (channel) { | |
717 | q = 0; | |
718 | do { | |
719 | survey.filled = 0; | |
720 | if (drv_get_survey(local, q, &survey) != 0) { | |
721 | survey.filled = 0; | |
722 | break; | |
723 | } | |
724 | q++; | |
725 | } while (channel != survey.channel); | |
3073a7c2 BG |
726 | } |
727 | ||
728 | if (survey.filled) | |
729 | data[i++] = survey.channel->center_freq; | |
730 | else | |
731 | data[i++] = 0; | |
732 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
733 | data[i++] = (u8)survey.noise; | |
734 | else | |
735 | data[i++] = -1LL; | |
736 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
737 | data[i++] = survey.channel_time; | |
738 | else | |
739 | data[i++] = -1LL; | |
740 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
741 | data[i++] = survey.channel_time_busy; | |
742 | else | |
743 | data[i++] = -1LL; | |
744 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
745 | data[i++] = survey.channel_time_ext_busy; | |
746 | else | |
747 | data[i++] = -1LL; | |
748 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
749 | data[i++] = survey.channel_time_rx; | |
750 | else | |
751 | data[i++] = -1LL; | |
752 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
753 | data[i++] = survey.channel_time_tx; | |
754 | else | |
755 | data[i++] = -1LL; | |
756 | ||
66572cfc | 757 | mutex_unlock(&local->sta_mtx); |
e352114f | 758 | |
3073a7c2 BG |
759 | if (WARN_ON(i != STA_STATS_LEN)) |
760 | return; | |
761 | ||
e352114f | 762 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
763 | } |
764 | ||
765 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
766 | struct net_device *dev, | |
767 | u32 sset, u8 *data) | |
768 | { | |
e352114f BG |
769 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
770 | int sz_sta_stats = 0; | |
771 | ||
b1ab7925 | 772 | if (sset == ETH_SS_STATS) { |
e352114f | 773 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
bd500af2 | 774 | memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats); |
b1ab7925 | 775 | } |
e352114f | 776 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 777 | } |
c5dd9c2b LCC |
778 | |
779 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
780 | int idx, u8 *mac, struct station_info *sinfo) | |
781 | { | |
3b53fde8 | 782 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 783 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 784 | struct sta_info *sta; |
d0709a65 JB |
785 | int ret = -ENOENT; |
786 | ||
66572cfc | 787 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 788 | |
3b53fde8 | 789 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
790 | if (sta) { |
791 | ret = 0; | |
17741cdc | 792 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
793 | sta_set_sinfo(sta, sinfo); |
794 | } | |
c5dd9c2b | 795 | |
66572cfc | 796 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 797 | |
d0709a65 | 798 | return ret; |
c5dd9c2b LCC |
799 | } |
800 | ||
1289723e HS |
801 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
802 | int idx, struct survey_info *survey) | |
803 | { | |
804 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
805 | ||
1289723e HS |
806 | return drv_get_survey(local, idx, survey); |
807 | } | |
808 | ||
7bbdd2d9 | 809 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 810 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 811 | { |
abe60632 | 812 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 813 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 814 | struct sta_info *sta; |
d0709a65 | 815 | int ret = -ENOENT; |
7bbdd2d9 | 816 | |
66572cfc | 817 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 818 | |
0e5ded5a | 819 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
820 | if (sta) { |
821 | ret = 0; | |
822 | sta_set_sinfo(sta, sinfo); | |
823 | } | |
824 | ||
66572cfc | 825 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
826 | |
827 | return ret; | |
7bbdd2d9 JB |
828 | } |
829 | ||
55de908a | 830 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 831 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
832 | { |
833 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
834 | struct ieee80211_sub_if_data *sdata; |
835 | int ret = 0; | |
3d9e6e12 | 836 | |
4bf88530 | 837 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 838 | return 0; |
3d9e6e12 | 839 | |
34a3740d | 840 | mutex_lock(&local->mtx); |
55de908a JB |
841 | mutex_lock(&local->iflist_mtx); |
842 | if (local->use_chanctx) { | |
843 | sdata = rcu_dereference_protected( | |
844 | local->monitor_sdata, | |
845 | lockdep_is_held(&local->iflist_mtx)); | |
846 | if (sdata) { | |
847 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 848 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
849 | IEEE80211_CHANCTX_EXCLUSIVE); |
850 | } | |
851 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 852 | local->_oper_chandef = *chandef; |
55de908a JB |
853 | ieee80211_hw_config(local, 0); |
854 | } | |
3d9e6e12 | 855 | |
4bf88530 JB |
856 | if (ret == 0) |
857 | local->monitor_chandef = *chandef; | |
55de908a | 858 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 859 | mutex_unlock(&local->mtx); |
3d9e6e12 | 860 | |
55de908a | 861 | return ret; |
e8c9bd5b JB |
862 | } |
863 | ||
02945821 | 864 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 865 | const u8 *resp, size_t resp_len) |
02945821 | 866 | { |
aa7a0080 | 867 | struct probe_resp *new, *old; |
02945821 AN |
868 | |
869 | if (!resp || !resp_len) | |
aba4e6ff | 870 | return 1; |
02945821 | 871 | |
7ca133bc | 872 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 873 | |
aa7a0080 | 874 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
875 | if (!new) |
876 | return -ENOMEM; | |
877 | ||
aa7a0080 ES |
878 | new->len = resp_len; |
879 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
880 | |
881 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
882 | if (old) |
883 | kfree_rcu(old, rcu_head); | |
02945821 AN |
884 | |
885 | return 0; | |
886 | } | |
887 | ||
0ae07968 LC |
888 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
889 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
890 | { |
891 | struct beacon_data *new, *old; | |
892 | int new_head_len, new_tail_len; | |
8860020e JB |
893 | int size, err; |
894 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 895 | |
7ca133bc SW |
896 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
897 | ||
5dfdaf58 | 898 | |
5dfdaf58 JB |
899 | /* Need to have a beacon head if we don't have one yet */ |
900 | if (!params->head && !old) | |
8860020e | 901 | return -EINVAL; |
5dfdaf58 JB |
902 | |
903 | /* new or old head? */ | |
904 | if (params->head) | |
905 | new_head_len = params->head_len; | |
906 | else | |
907 | new_head_len = old->head_len; | |
908 | ||
909 | /* new or old tail? */ | |
910 | if (params->tail || !old) | |
911 | /* params->tail_len will be zero for !params->tail */ | |
912 | new_tail_len = params->tail_len; | |
913 | else | |
914 | new_tail_len = old->tail_len; | |
915 | ||
916 | size = sizeof(*new) + new_head_len + new_tail_len; | |
917 | ||
918 | new = kzalloc(size, GFP_KERNEL); | |
919 | if (!new) | |
920 | return -ENOMEM; | |
921 | ||
922 | /* start filling the new info now */ | |
923 | ||
5dfdaf58 JB |
924 | /* |
925 | * pointers go into the block we allocated, | |
926 | * memory is | beacon_data | head | tail | | |
927 | */ | |
928 | new->head = ((u8 *) new) + sizeof(*new); | |
929 | new->tail = new->head + new_head_len; | |
930 | new->head_len = new_head_len; | |
931 | new->tail_len = new_tail_len; | |
932 | ||
933 | /* copy in head */ | |
934 | if (params->head) | |
935 | memcpy(new->head, params->head, new_head_len); | |
936 | else | |
937 | memcpy(new->head, old->head, new_head_len); | |
938 | ||
939 | /* copy in optional tail */ | |
940 | if (params->tail) | |
941 | memcpy(new->tail, params->tail, new_tail_len); | |
942 | else | |
943 | if (old) | |
944 | memcpy(new->tail, old->tail, new_tail_len); | |
945 | ||
02945821 AN |
946 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
947 | params->probe_resp_len); | |
8860020e JB |
948 | if (err < 0) |
949 | return err; | |
950 | if (err == 0) | |
02945821 AN |
951 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
952 | ||
8860020e JB |
953 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
954 | ||
955 | if (old) | |
956 | kfree_rcu(old, rcu_head); | |
7827493b | 957 | |
8860020e | 958 | return changed; |
5dfdaf58 JB |
959 | } |
960 | ||
8860020e JB |
961 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
962 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 963 | { |
8860020e | 964 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 965 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 966 | struct beacon_data *old; |
665c93a9 | 967 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
968 | u32 changed = BSS_CHANGED_BEACON_INT | |
969 | BSS_CHANGED_BEACON_ENABLED | | |
970 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
971 | BSS_CHANGED_SSID | |
972 | BSS_CHANGED_P2P_PS; | |
8860020e | 973 | int err; |
14db74bc | 974 | |
7ca133bc | 975 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
976 | if (old) |
977 | return -EALREADY; | |
978 | ||
04ecd257 JB |
979 | /* TODO: make hostapd tell us what it wants */ |
980 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
981 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
982 | ||
34a3740d | 983 | mutex_lock(&local->mtx); |
4bf88530 | 984 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 985 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
986 | if (!err) |
987 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 988 | mutex_unlock(&local->mtx); |
aa430da4 JB |
989 | if (err) |
990 | return err; | |
991 | ||
665c93a9 JB |
992 | /* |
993 | * Apply control port protocol, this allows us to | |
994 | * not encrypt dynamic WEP control frames. | |
995 | */ | |
996 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
997 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
998 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
999 | ¶ms->crypto, | |
1000 | sdata->vif.type); | |
1001 | ||
665c93a9 JB |
1002 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
1003 | vlan->control_port_protocol = | |
1004 | params->crypto.control_port_ethertype; | |
1005 | vlan->control_port_no_encrypt = | |
1006 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
1007 | vlan->encrypt_headroom = |
1008 | ieee80211_cs_headroom(sdata->local, | |
1009 | ¶ms->crypto, | |
1010 | vlan->vif.type); | |
665c93a9 JB |
1011 | } |
1012 | ||
8860020e JB |
1013 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
1014 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 1015 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
1016 | |
1017 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
1018 | if (params->ssid_len) | |
1019 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
1020 | params->ssid_len); | |
1021 | sdata->vif.bss_conf.hidden_ssid = | |
1022 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
1023 | ||
67baf663 JD |
1024 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
1025 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
1026 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
1027 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1028 | if (params->p2p_opp_ps) | |
1029 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1030 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 1031 | |
8860020e | 1032 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); |
0297ea17 EG |
1033 | if (err < 0) { |
1034 | ieee80211_vif_release_channel(sdata); | |
8860020e | 1035 | return err; |
0297ea17 | 1036 | } |
8860020e JB |
1037 | changed |= err; |
1038 | ||
1041638f JB |
1039 | err = drv_start_ap(sdata->local, sdata); |
1040 | if (err) { | |
7ca133bc SW |
1041 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
1042 | ||
1041638f JB |
1043 | if (old) |
1044 | kfree_rcu(old, rcu_head); | |
1045 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 1046 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
1047 | return err; |
1048 | } | |
1049 | ||
057d5f4b | 1050 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
1051 | ieee80211_bss_info_change_notify(sdata, changed); |
1052 | ||
3edaf3e6 JB |
1053 | netif_carrier_on(dev); |
1054 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
1055 | netif_carrier_on(vlan->dev); | |
1056 | ||
665c93a9 | 1057 | return 0; |
5dfdaf58 JB |
1058 | } |
1059 | ||
8860020e JB |
1060 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
1061 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 1062 | { |
14db74bc | 1063 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 1064 | struct beacon_data *old; |
8860020e | 1065 | int err; |
5dfdaf58 | 1066 | |
14db74bc | 1067 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 1068 | sdata_assert_lock(sdata); |
14db74bc | 1069 | |
73da7d5b SW |
1070 | /* don't allow changing the beacon while CSA is in place - offset |
1071 | * of channel switch counter may change | |
1072 | */ | |
1073 | if (sdata->vif.csa_active) | |
1074 | return -EBUSY; | |
1075 | ||
7ca133bc | 1076 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
1077 | if (!old) |
1078 | return -ENOENT; | |
1079 | ||
8860020e JB |
1080 | err = ieee80211_assign_beacon(sdata, params); |
1081 | if (err < 0) | |
1082 | return err; | |
1083 | ieee80211_bss_info_change_notify(sdata, err); | |
1084 | return 0; | |
5dfdaf58 JB |
1085 | } |
1086 | ||
8860020e | 1087 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1088 | { |
7b20b8e8 JB |
1089 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1090 | struct ieee80211_sub_if_data *vlan; | |
1091 | struct ieee80211_local *local = sdata->local; | |
1092 | struct beacon_data *old_beacon; | |
1093 | struct probe_resp *old_probe_resp; | |
d2859df5 | 1094 | struct cfg80211_chan_def chandef; |
14db74bc | 1095 | |
dbd72850 MK |
1096 | sdata_assert_lock(sdata); |
1097 | ||
7ca133bc | 1098 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 1099 | if (!old_beacon) |
5dfdaf58 | 1100 | return -ENOENT; |
7ca133bc | 1101 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 1102 | |
73da7d5b SW |
1103 | /* abort any running channel switch */ |
1104 | sdata->vif.csa_active = false; | |
1f3b8a2b SW |
1105 | kfree(sdata->u.ap.next_beacon); |
1106 | sdata->u.ap.next_beacon = NULL; | |
1107 | ||
7b20b8e8 | 1108 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1109 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1110 | netif_carrier_off(vlan->dev); | |
1111 | netif_carrier_off(dev); | |
1112 | ||
7b20b8e8 | 1113 | /* remove beacon and probe response */ |
a9b3cd7f | 1114 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1115 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1116 | kfree_rcu(old_beacon, rcu_head); | |
1117 | if (old_probe_resp) | |
1118 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 1119 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 1120 | |
e716251d | 1121 | __sta_info_flush(sdata, true); |
7907c7d3 | 1122 | ieee80211_free_keys(sdata, true); |
75de9113 | 1123 | |
d6a83228 | 1124 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 1125 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 1126 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 1127 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1128 | |
a6b368f6 | 1129 | if (sdata->wdev.cac_started) { |
d2859df5 | 1130 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 1131 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
1132 | cfg80211_cac_event(sdata->dev, &chandef, |
1133 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
1134 | GFP_KERNEL); |
1135 | } | |
1136 | ||
1041638f JB |
1137 | drv_stop_ap(sdata->local, sdata); |
1138 | ||
7b20b8e8 JB |
1139 | /* free all potentially still buffered bcast frames */ |
1140 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
1141 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
1142 | ||
34a3740d | 1143 | mutex_lock(&local->mtx); |
4e141dad | 1144 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 1145 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1146 | mutex_unlock(&local->mtx); |
55de908a | 1147 | |
2d0ddec5 | 1148 | return 0; |
5dfdaf58 JB |
1149 | } |
1150 | ||
4fd6931e JB |
1151 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1152 | struct iapp_layer2_update { | |
1153 | u8 da[ETH_ALEN]; /* broadcast */ | |
1154 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1155 | __be16 len; /* 6 */ | |
1156 | u8 dsap; /* 0 */ | |
1157 | u8 ssap; /* 0 */ | |
1158 | u8 control; | |
1159 | u8 xid_info[3]; | |
bc10502d | 1160 | } __packed; |
4fd6931e JB |
1161 | |
1162 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1163 | { | |
1164 | struct iapp_layer2_update *msg; | |
1165 | struct sk_buff *skb; | |
1166 | ||
1167 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1168 | * bridge devices */ | |
1169 | ||
1170 | skb = dev_alloc_skb(sizeof(*msg)); | |
1171 | if (!skb) | |
1172 | return; | |
1173 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1174 | ||
1175 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1176 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1177 | ||
e83e6541 | 1178 | eth_broadcast_addr(msg->da); |
17741cdc | 1179 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1180 | msg->len = htons(6); |
1181 | msg->dsap = 0; | |
1182 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1183 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1184 | * F=0 (no poll command; unsolicited frame) */ | |
1185 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1186 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1187 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1188 | ||
d0709a65 JB |
1189 | skb->dev = sta->sdata->dev; |
1190 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1191 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1192 | netif_rx_ni(skb); |
4fd6931e JB |
1193 | } |
1194 | ||
d582cffb JB |
1195 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1196 | struct sta_info *sta, | |
1197 | u32 mask, u32 set) | |
1198 | { | |
1199 | int ret; | |
1200 | ||
1201 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1202 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1203 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1204 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1205 | if (ret) | |
1206 | return ret; | |
1207 | } | |
1208 | ||
1209 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1210 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1211 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1212 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1213 | if (ret) | |
1214 | return ret; | |
1215 | } | |
1216 | ||
1217 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1218 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1219 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1220 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1221 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1222 | else | |
1223 | ret = 0; | |
1224 | if (ret) | |
1225 | return ret; | |
1226 | } | |
1227 | ||
1228 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1229 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1230 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1231 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1232 | if (ret) | |
1233 | return ret; | |
1234 | } | |
1235 | ||
1236 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1237 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1238 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1239 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1240 | if (ret) | |
1241 | return ret; | |
1242 | } | |
1243 | ||
1244 | return 0; | |
1245 | } | |
1246 | ||
d9a7ddb0 JB |
1247 | static int sta_apply_parameters(struct ieee80211_local *local, |
1248 | struct sta_info *sta, | |
1249 | struct station_parameters *params) | |
4fd6931e | 1250 | { |
d9a7ddb0 | 1251 | int ret = 0; |
8318d78a | 1252 | struct ieee80211_supported_band *sband; |
d0709a65 | 1253 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1254 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1255 | u32 mask, set; |
4fd6931e | 1256 | |
55de908a | 1257 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1258 | |
eccb8e8f JB |
1259 | mask = params->sta_flags_mask; |
1260 | set = params->sta_flags_set; | |
73651ee6 | 1261 | |
d582cffb JB |
1262 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1263 | /* | |
1264 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1265 | * API but must follow AUTHENTICATED for driver state. | |
1266 | */ | |
1267 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1268 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1269 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1270 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1271 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1272 | /* | |
1273 | * TDLS -- everything follows authorized, but | |
1274 | * only becoming authorized is possible, not | |
1275 | * going back | |
1276 | */ | |
1277 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1278 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1279 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1280 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1281 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1282 | } | |
eccb8e8f | 1283 | } |
4fd6931e | 1284 | |
d582cffb JB |
1285 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1286 | if (ret) | |
1287 | return ret; | |
d9a7ddb0 | 1288 | |
eccb8e8f | 1289 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1290 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1291 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1292 | else | |
1293 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1294 | } |
4fd6931e | 1295 | |
eccb8e8f | 1296 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1297 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1298 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1299 | sta->sta.wme = true; |
c2c98fde JB |
1300 | } else { |
1301 | clear_sta_flag(sta, WLAN_STA_WME); | |
1302 | sta->sta.wme = false; | |
39df600a | 1303 | } |
eccb8e8f | 1304 | } |
5394af4d | 1305 | |
eccb8e8f | 1306 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1307 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1308 | set_sta_flag(sta, WLAN_STA_MFP); |
1309 | else | |
1310 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1311 | } |
b39c48fa | 1312 | |
07ba55d7 | 1313 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1314 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1315 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1316 | else | |
1317 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1318 | } |
4fd6931e | 1319 | |
3b9ce80c JB |
1320 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1321 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1322 | sta->sta.max_sp = params->max_sp; | |
1323 | } | |
9533b4ac | 1324 | |
51b50fbe JB |
1325 | /* |
1326 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1327 | * only when creating a new station entry | |
1328 | */ | |
1329 | if (params->aid) | |
1330 | sta->sta.aid = params->aid; | |
1331 | ||
73651ee6 | 1332 | /* |
ba23d206 JB |
1333 | * Some of the following updates would be racy if called on an |
1334 | * existing station, via ieee80211_change_station(). However, | |
1335 | * all such changes are rejected by cfg80211 except for updates | |
1336 | * changing the supported rates on an existing but not yet used | |
1337 | * TDLS peer. | |
73651ee6 JB |
1338 | */ |
1339 | ||
4fd6931e JB |
1340 | if (params->listen_interval >= 0) |
1341 | sta->listen_interval = params->listen_interval; | |
1342 | ||
1343 | if (params->supported_rates) { | |
2103dec1 SW |
1344 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1345 | sband, params->supported_rates, | |
1346 | params->supported_rates_len, | |
1347 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1348 | } |
c5dd9c2b | 1349 | |
d9fe60de | 1350 | if (params->ht_capa) |
ef96a842 | 1351 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1352 | params->ht_capa, sta); |
36aedc90 | 1353 | |
f461be3e MP |
1354 | if (params->vht_capa) |
1355 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1356 | params->vht_capa, sta); |
f461be3e | 1357 | |
b1bce14a | 1358 | if (params->opmode_notif_used) { |
b1bce14a MK |
1359 | /* returned value is only needed for rc update, but the |
1360 | * rc isn't initialized here yet, so ignore it | |
1361 | */ | |
1362 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1363 | params->opmode_notif, | |
1364 | band, false); | |
1365 | } | |
1366 | ||
9c3990aa | 1367 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1368 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1369 | u32 changed = 0; |
77ee7c89 JB |
1370 | |
1371 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1372 | switch (params->plink_state) { |
57cf8043 | 1373 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1374 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1375 | changed = mesh_plink_inc_estab_count( | |
1376 | sdata); | |
1377 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1378 | |
1379 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1380 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1381 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1382 | break; |
1383 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1384 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1385 | case NL80211_PLINK_OPN_SNT: |
1386 | case NL80211_PLINK_OPN_RCVD: | |
1387 | case NL80211_PLINK_CNF_RCVD: | |
1388 | case NL80211_PLINK_HOLDING: | |
1389 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1390 | changed = mesh_plink_dec_estab_count( | |
1391 | sdata); | |
9c3990aa | 1392 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1393 | |
1394 | ieee80211_mps_sta_status_update(sta); | |
446075d7 MP |
1395 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1396 | NL80211_MESH_POWER_UNKNOWN); | |
9c3990aa JC |
1397 | break; |
1398 | default: | |
1399 | /* nothing */ | |
1400 | break; | |
1401 | } | |
77ee7c89 JB |
1402 | } |
1403 | ||
1404 | switch (params->plink_action) { | |
1405 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1406 | /* nothing */ | |
1407 | break; | |
1408 | case NL80211_PLINK_ACTION_OPEN: | |
1409 | changed |= mesh_plink_open(sta); | |
1410 | break; | |
1411 | case NL80211_PLINK_ACTION_BLOCK: | |
1412 | changed |= mesh_plink_block(sta); | |
1413 | break; | |
1617bab8 | 1414 | } |
3f52b7e3 MP |
1415 | |
1416 | if (params->local_pm) | |
39886b61 TP |
1417 | changed |= |
1418 | ieee80211_mps_set_sta_local_pm(sta, | |
1419 | params->local_pm); | |
6c751ef8 | 1420 | ieee80211_mbss_info_change_notify(sdata, changed); |
4daf50f2 | 1421 | #endif |
902acc78 | 1422 | } |
d9a7ddb0 JB |
1423 | |
1424 | return 0; | |
4fd6931e JB |
1425 | } |
1426 | ||
1427 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1428 | u8 *mac, struct station_parameters *params) | |
1429 | { | |
14db74bc | 1430 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1431 | struct sta_info *sta; |
1432 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1433 | int err; |
b8d476c8 | 1434 | int layer2_update; |
4fd6931e | 1435 | |
4fd6931e JB |
1436 | if (params->vlan) { |
1437 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1438 | ||
05c914fe JB |
1439 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1440 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1441 | return -EINVAL; |
1442 | } else | |
1443 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1444 | ||
b203ca39 | 1445 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1446 | return -EINVAL; |
1447 | ||
1448 | if (is_multicast_ether_addr(mac)) | |
1449 | return -EINVAL; | |
1450 | ||
1451 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1452 | if (!sta) |
1453 | return -ENOMEM; | |
4fd6931e | 1454 | |
d582cffb JB |
1455 | /* |
1456 | * defaults -- if userspace wants something else we'll | |
1457 | * change it accordingly in sta_apply_parameters() | |
1458 | */ | |
77ee7c89 JB |
1459 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1460 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1461 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
0c4972cc AN |
1462 | } else { |
1463 | sta->sta.tdls = true; | |
77ee7c89 | 1464 | } |
4fd6931e | 1465 | |
d9a7ddb0 JB |
1466 | err = sta_apply_parameters(local, sta, params); |
1467 | if (err) { | |
1468 | sta_info_free(local, sta); | |
1469 | return err; | |
1470 | } | |
4fd6931e | 1471 | |
d64cf63e | 1472 | /* |
77ee7c89 JB |
1473 | * for TDLS, rate control should be initialized only when |
1474 | * rates are known and station is marked authorized | |
d64cf63e AN |
1475 | */ |
1476 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1477 | rate_control_rate_init(sta); | |
4fd6931e | 1478 | |
b8d476c8 JM |
1479 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1480 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1481 | ||
34e89507 | 1482 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1483 | if (err) { |
73651ee6 JB |
1484 | rcu_read_unlock(); |
1485 | return err; | |
1486 | } | |
1487 | ||
b8d476c8 | 1488 | if (layer2_update) |
73651ee6 JB |
1489 | ieee80211_send_layer2_update(sta); |
1490 | ||
1491 | rcu_read_unlock(); | |
1492 | ||
4fd6931e JB |
1493 | return 0; |
1494 | } | |
1495 | ||
1496 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1497 | u8 *mac) | |
1498 | { | |
14db74bc | 1499 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1500 | |
14db74bc JB |
1501 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1502 | ||
34e89507 JB |
1503 | if (mac) |
1504 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1505 | |
b998e8bb | 1506 | sta_info_flush(sdata); |
4fd6931e JB |
1507 | return 0; |
1508 | } | |
1509 | ||
1510 | static int ieee80211_change_station(struct wiphy *wiphy, | |
77ee7c89 | 1511 | struct net_device *dev, u8 *mac, |
4fd6931e JB |
1512 | struct station_parameters *params) |
1513 | { | |
abe60632 | 1514 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1515 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1516 | struct sta_info *sta; |
1517 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1518 | enum cfg80211_station_type statype; |
35b88623 | 1519 | int err; |
4fd6931e | 1520 | |
87be1e1e | 1521 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1522 | |
0e5ded5a | 1523 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1524 | if (!sta) { |
77ee7c89 JB |
1525 | err = -ENOENT; |
1526 | goto out_err; | |
98dd6a57 | 1527 | } |
4fd6931e | 1528 | |
77ee7c89 JB |
1529 | switch (sdata->vif.type) { |
1530 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1531 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1532 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1533 | else |
eef941e6 | 1534 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1535 | break; |
1536 | case NL80211_IFTYPE_ADHOC: | |
1537 | statype = CFG80211_STA_IBSS; | |
1538 | break; | |
1539 | case NL80211_IFTYPE_STATION: | |
1540 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1541 | statype = CFG80211_STA_AP_STA; | |
1542 | break; | |
1543 | } | |
1544 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1545 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1546 | else | |
1547 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1548 | break; | |
1549 | case NL80211_IFTYPE_AP: | |
1550 | case NL80211_IFTYPE_AP_VLAN: | |
1551 | statype = CFG80211_STA_AP_CLIENT; | |
1552 | break; | |
1553 | default: | |
1554 | err = -EOPNOTSUPP; | |
1555 | goto out_err; | |
bdd90d5e JB |
1556 | } |
1557 | ||
77ee7c89 JB |
1558 | err = cfg80211_check_station_change(wiphy, params, statype); |
1559 | if (err) | |
1560 | goto out_err; | |
1561 | ||
d0709a65 | 1562 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1563 | bool prev_4addr = false; |
1564 | bool new_4addr = false; | |
1565 | ||
4fd6931e JB |
1566 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1567 | ||
9bc383de | 1568 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1569 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1570 | err = -EBUSY; |
1571 | goto out_err; | |
3305443c | 1572 | } |
f14543ee | 1573 | |
cf778b00 | 1574 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1575 | new_4addr = true; |
1576 | } | |
1577 | ||
1578 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1579 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1580 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1581 | prev_4addr = true; |
f14543ee FF |
1582 | } |
1583 | ||
14db74bc | 1584 | sta->sdata = vlansdata; |
7e3ed02c FF |
1585 | |
1586 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1587 | prev_4addr != new_4addr) { | |
1588 | if (new_4addr) | |
1589 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1590 | else | |
1591 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1592 | } | |
1593 | ||
4fd6931e JB |
1594 | ieee80211_send_layer2_update(sta); |
1595 | } | |
1596 | ||
35b88623 | 1597 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1598 | if (err) |
1599 | goto out_err; | |
4fd6931e | 1600 | |
77ee7c89 JB |
1601 | /* When peer becomes authorized, init rate control as well */ |
1602 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1603 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1604 | rate_control_rate_init(sta); |
1605 | ||
87be1e1e | 1606 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1607 | |
687da132 EG |
1608 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1609 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1610 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1611 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1612 | sta_info_tx_streams(sta) != 1) { | |
1613 | ht_dbg(sta->sdata, | |
1614 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1615 | sta->sta.addr); | |
1616 | ieee80211_send_smps_action(sta->sdata, | |
1617 | sta->sdata->bss->req_smps, | |
1618 | sta->sta.addr, | |
1619 | sta->sdata->vif.bss_conf.bssid); | |
1620 | } | |
1621 | ||
808118cb | 1622 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1623 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1624 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1625 | ieee80211_recalc_ps_vif(sdata); |
1626 | } | |
77ee7c89 | 1627 | |
4fd6931e | 1628 | return 0; |
77ee7c89 JB |
1629 | out_err: |
1630 | mutex_unlock(&local->sta_mtx); | |
1631 | return err; | |
4fd6931e JB |
1632 | } |
1633 | ||
c5dd9c2b LCC |
1634 | #ifdef CONFIG_MAC80211_MESH |
1635 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1636 | u8 *dst, u8 *next_hop) | |
1637 | { | |
14db74bc | 1638 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1639 | struct mesh_path *mpath; |
1640 | struct sta_info *sta; | |
c5dd9c2b | 1641 | |
14db74bc JB |
1642 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1643 | ||
d0709a65 | 1644 | rcu_read_lock(); |
abe60632 | 1645 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1646 | if (!sta) { |
1647 | rcu_read_unlock(); | |
c5dd9c2b | 1648 | return -ENOENT; |
d0709a65 | 1649 | } |
c5dd9c2b | 1650 | |
ae76eef0 BC |
1651 | mpath = mesh_path_add(sdata, dst); |
1652 | if (IS_ERR(mpath)) { | |
d0709a65 | 1653 | rcu_read_unlock(); |
ae76eef0 | 1654 | return PTR_ERR(mpath); |
d0709a65 | 1655 | } |
c5dd9c2b | 1656 | |
c5dd9c2b | 1657 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1658 | |
c5dd9c2b LCC |
1659 | rcu_read_unlock(); |
1660 | return 0; | |
1661 | } | |
1662 | ||
1663 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
bf7cd94d | 1664 | u8 *dst) |
c5dd9c2b | 1665 | { |
f698d856 JBG |
1666 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1667 | ||
c5dd9c2b | 1668 | if (dst) |
bf7cd94d | 1669 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1670 | |
ece1a2e7 | 1671 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1672 | return 0; |
1673 | } | |
1674 | ||
1675 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1676 | struct net_device *dev, | |
1677 | u8 *dst, u8 *next_hop) | |
1678 | { | |
14db74bc | 1679 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1680 | struct mesh_path *mpath; |
1681 | struct sta_info *sta; | |
1682 | ||
14db74bc JB |
1683 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1684 | ||
d0709a65 JB |
1685 | rcu_read_lock(); |
1686 | ||
abe60632 | 1687 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1688 | if (!sta) { |
1689 | rcu_read_unlock(); | |
c5dd9c2b | 1690 | return -ENOENT; |
d0709a65 | 1691 | } |
c5dd9c2b | 1692 | |
bf7cd94d | 1693 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1694 | if (!mpath) { |
1695 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1696 | return -ENOENT; |
1697 | } | |
1698 | ||
1699 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1700 | |
c5dd9c2b LCC |
1701 | rcu_read_unlock(); |
1702 | return 0; | |
1703 | } | |
1704 | ||
1705 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1706 | struct mpath_info *pinfo) | |
1707 | { | |
a3836e02 JB |
1708 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1709 | ||
1710 | if (next_hop_sta) | |
1711 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1712 | else |
1713 | memset(next_hop, 0, ETH_ALEN); | |
1714 | ||
7ce8c7a3 LAYS |
1715 | memset(pinfo, 0, sizeof(*pinfo)); |
1716 | ||
f5ea9120 JB |
1717 | pinfo->generation = mesh_paths_generation; |
1718 | ||
c5dd9c2b | 1719 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1720 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1721 | MPATH_INFO_METRIC | |
1722 | MPATH_INFO_EXPTIME | | |
1723 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1724 | MPATH_INFO_DISCOVERY_RETRIES | | |
1725 | MPATH_INFO_FLAGS; | |
1726 | ||
1727 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1728 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1729 | pinfo->metric = mpath->metric; |
1730 | if (time_before(jiffies, mpath->exp_time)) | |
1731 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1732 | pinfo->discovery_timeout = | |
1733 | jiffies_to_msecs(mpath->discovery_timeout); | |
1734 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1735 | if (mpath->flags & MESH_PATH_ACTIVE) |
1736 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1737 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1738 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1739 | if (mpath->flags & MESH_PATH_SN_VALID) |
1740 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1741 | if (mpath->flags & MESH_PATH_FIXED) |
1742 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1743 | if (mpath->flags & MESH_PATH_RESOLVED) |
1744 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1745 | } |
1746 | ||
1747 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1748 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1749 | ||
1750 | { | |
14db74bc | 1751 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1752 | struct mesh_path *mpath; |
1753 | ||
14db74bc JB |
1754 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1755 | ||
c5dd9c2b | 1756 | rcu_read_lock(); |
bf7cd94d | 1757 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1758 | if (!mpath) { |
1759 | rcu_read_unlock(); | |
1760 | return -ENOENT; | |
1761 | } | |
1762 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1763 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1764 | rcu_read_unlock(); | |
1765 | return 0; | |
1766 | } | |
1767 | ||
1768 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1769 | int idx, u8 *dst, u8 *next_hop, | |
1770 | struct mpath_info *pinfo) | |
1771 | { | |
14db74bc | 1772 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1773 | struct mesh_path *mpath; |
1774 | ||
14db74bc JB |
1775 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1776 | ||
c5dd9c2b | 1777 | rcu_read_lock(); |
bf7cd94d | 1778 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1779 | if (!mpath) { |
1780 | rcu_read_unlock(); | |
1781 | return -ENOENT; | |
1782 | } | |
1783 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1784 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1785 | rcu_read_unlock(); | |
1786 | return 0; | |
1787 | } | |
93da9cc1 | 1788 | |
24bdd9f4 | 1789 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1790 | struct net_device *dev, |
1791 | struct mesh_config *conf) | |
1792 | { | |
1793 | struct ieee80211_sub_if_data *sdata; | |
1794 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1795 | ||
93da9cc1 | 1796 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1801 | { | |
1802 | return (mask >> (parm-1)) & 0x1; | |
1803 | } | |
1804 | ||
c80d545d JC |
1805 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1806 | const struct mesh_setup *setup) | |
1807 | { | |
1808 | u8 *new_ie; | |
1809 | const u8 *old_ie; | |
4bb62344 CYY |
1810 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1811 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1812 | |
581a8b0f | 1813 | /* allocate information elements */ |
c80d545d | 1814 | new_ie = NULL; |
581a8b0f | 1815 | old_ie = ifmsh->ie; |
c80d545d | 1816 | |
581a8b0f JC |
1817 | if (setup->ie_len) { |
1818 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1819 | GFP_KERNEL); |
1820 | if (!new_ie) | |
1821 | return -ENOMEM; | |
1822 | } | |
581a8b0f JC |
1823 | ifmsh->ie_len = setup->ie_len; |
1824 | ifmsh->ie = new_ie; | |
1825 | kfree(old_ie); | |
c80d545d JC |
1826 | |
1827 | /* now copy the rest of the setup parameters */ | |
1828 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1829 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1830 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1831 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1832 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1833 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1834 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1835 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1836 | if (setup->is_authenticated) | |
1837 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1838 | if (setup->is_secure) | |
1839 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1840 | |
4bb62344 CYY |
1841 | /* mcast rate setting in Mesh Node */ |
1842 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1843 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1844 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1845 | |
9bdbf04d MP |
1846 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1847 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1848 | ||
c80d545d JC |
1849 | return 0; |
1850 | } | |
1851 | ||
24bdd9f4 | 1852 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1853 | struct net_device *dev, u32 mask, |
1854 | const struct mesh_config *nconf) | |
93da9cc1 | 1855 | { |
1856 | struct mesh_config *conf; | |
1857 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1858 | struct ieee80211_if_mesh *ifmsh; |
1859 | ||
93da9cc1 | 1860 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1861 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1862 | |
93da9cc1 | 1863 | /* Set the config options which we are interested in setting */ |
1864 | conf = &(sdata->u.mesh.mshcfg); | |
1865 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1866 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1867 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1868 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1869 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1870 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1871 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1872 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1873 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1874 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1875 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1876 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1877 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1878 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1879 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1880 | if (ifmsh->user_mpm) | |
1881 | return -EBUSY; | |
93da9cc1 | 1882 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1883 | } |
d299a1f2 JC |
1884 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1885 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1886 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1887 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1888 | conf->dot11MeshHWMPmaxPREQretries = | |
1889 | nconf->dot11MeshHWMPmaxPREQretries; | |
1890 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1891 | conf->path_refresh_time = nconf->path_refresh_time; | |
1892 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1893 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1894 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1895 | conf->dot11MeshHWMPactivePathTimeout = | |
1896 | nconf->dot11MeshHWMPactivePathTimeout; | |
1897 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1898 | conf->dot11MeshHWMPpreqMinInterval = | |
1899 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1900 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1901 | conf->dot11MeshHWMPperrMinInterval = | |
1902 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1903 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1904 | mask)) | |
1905 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1906 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1907 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1908 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1909 | ieee80211_mesh_root_setup(ifmsh); | |
1910 | } | |
16dd7267 | 1911 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1912 | /* our current gate announcement implementation rides on root |
1913 | * announcements, so require this ifmsh to also be a root node | |
1914 | * */ | |
1915 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1916 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1917 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1918 | ieee80211_mesh_root_setup(ifmsh); |
1919 | } | |
16dd7267 JC |
1920 | conf->dot11MeshGateAnnouncementProtocol = |
1921 | nconf->dot11MeshGateAnnouncementProtocol; | |
1922 | } | |
a4f606ea | 1923 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1924 | conf->dot11MeshHWMPRannInterval = |
1925 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1926 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1927 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1928 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1929 | /* our RSSI threshold implementation is supported only for | |
1930 | * devices that report signal in dBm. | |
1931 | */ | |
1932 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1933 | return -ENOTSUPP; | |
1934 | conf->rssi_threshold = nconf->rssi_threshold; | |
1935 | } | |
70c33eaa AN |
1936 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1937 | conf->ht_opmode = nconf->ht_opmode; | |
1938 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1939 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1940 | } | |
ac1073a6 CYY |
1941 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1942 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1943 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1944 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1945 | conf->dot11MeshHWMProotInterval = | |
1946 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1947 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1948 | conf->dot11MeshHWMPconfirmationInterval = | |
1949 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1950 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1951 | conf->power_mode = nconf->power_mode; | |
1952 | ieee80211_mps_local_status_update(sdata); | |
1953 | } | |
2b5e1967 | 1954 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1955 | conf->dot11MeshAwakeWindowDuration = |
1956 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1957 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1958 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1959 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1960 | return 0; |
1961 | } | |
1962 | ||
29cbe68c JB |
1963 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1964 | const struct mesh_config *conf, | |
1965 | const struct mesh_setup *setup) | |
1966 | { | |
1967 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1968 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1969 | int err; |
29cbe68c | 1970 | |
c80d545d JC |
1971 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1972 | err = copy_mesh_setup(ifmsh, setup); | |
1973 | if (err) | |
1974 | return err; | |
cc1d2806 | 1975 | |
04ecd257 JB |
1976 | /* can mesh use other SMPS modes? */ |
1977 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1978 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1979 | ||
34a3740d | 1980 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1981 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1982 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1983 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1984 | if (err) |
1985 | return err; | |
1986 | ||
2b5e1967 | 1987 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1988 | } |
1989 | ||
1990 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1991 | { | |
1992 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1993 | ||
1994 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1995 | mutex_lock(&sdata->local->mtx); |
55de908a | 1996 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1997 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1998 | |
1999 | return 0; | |
2000 | } | |
c5dd9c2b LCC |
2001 | #endif |
2002 | ||
9f1ba906 JM |
2003 | static int ieee80211_change_bss(struct wiphy *wiphy, |
2004 | struct net_device *dev, | |
2005 | struct bss_parameters *params) | |
2006 | { | |
55de908a JB |
2007 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2008 | enum ieee80211_band band; | |
9f1ba906 JM |
2009 | u32 changed = 0; |
2010 | ||
7ca133bc | 2011 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
2012 | return -ENOENT; |
2013 | ||
2014 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 2015 | |
9f1ba906 | 2016 | if (params->use_cts_prot >= 0) { |
bda3933a | 2017 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
2018 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
2019 | } | |
2020 | if (params->use_short_preamble >= 0) { | |
bda3933a | 2021 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
2022 | params->use_short_preamble; |
2023 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
2024 | } | |
43d35343 FF |
2025 | |
2026 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 2027 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
2028 | sdata->vif.bss_conf.use_short_slot = true; |
2029 | changed |= BSS_CHANGED_ERP_SLOT; | |
2030 | } | |
2031 | ||
9f1ba906 | 2032 | if (params->use_short_slot_time >= 0) { |
bda3933a | 2033 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
2034 | params->use_short_slot_time; |
2035 | changed |= BSS_CHANGED_ERP_SLOT; | |
2036 | } | |
2037 | ||
90c97a04 | 2038 | if (params->basic_rates) { |
2103dec1 SW |
2039 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
2040 | wiphy->bands[band], | |
2041 | params->basic_rates, | |
2042 | params->basic_rates_len, | |
2043 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
2044 | changed |= BSS_CHANGED_BASIC_RATES; |
2045 | } | |
2046 | ||
7b7b5e56 FF |
2047 | if (params->ap_isolate >= 0) { |
2048 | if (params->ap_isolate) | |
2049 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2050 | else | |
2051 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2052 | } | |
2053 | ||
80d7e403 HS |
2054 | if (params->ht_opmode >= 0) { |
2055 | sdata->vif.bss_conf.ht_operation_mode = | |
2056 | (u16) params->ht_opmode; | |
2057 | changed |= BSS_CHANGED_HT; | |
2058 | } | |
2059 | ||
339afbf4 | 2060 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
2061 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
2062 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
2063 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2064 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
2065 | changed |= BSS_CHANGED_P2P_PS; |
2066 | } | |
2067 | ||
67baf663 JD |
2068 | if (params->p2p_opp_ps > 0) { |
2069 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2070 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
2071 | changed |= BSS_CHANGED_P2P_PS; | |
2072 | } else if (params->p2p_opp_ps == 0) { | |
2073 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
2074 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
2075 | changed |= BSS_CHANGED_P2P_PS; |
2076 | } | |
2077 | ||
9f1ba906 JM |
2078 | ieee80211_bss_info_change_notify(sdata, changed); |
2079 | ||
2080 | return 0; | |
2081 | } | |
2082 | ||
31888487 | 2083 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 2084 | struct net_device *dev, |
31888487 JM |
2085 | struct ieee80211_txq_params *params) |
2086 | { | |
2087 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 2088 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
2089 | struct ieee80211_tx_queue_params p; |
2090 | ||
2091 | if (!local->ops->conf_tx) | |
2092 | return -EOPNOTSUPP; | |
2093 | ||
54bcbc69 JB |
2094 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2095 | return -EOPNOTSUPP; | |
2096 | ||
31888487 JM |
2097 | memset(&p, 0, sizeof(p)); |
2098 | p.aifs = params->aifs; | |
2099 | p.cw_max = params->cwmax; | |
2100 | p.cw_min = params->cwmin; | |
2101 | p.txop = params->txop; | |
ab13315a KV |
2102 | |
2103 | /* | |
2104 | * Setting tx queue params disables u-apsd because it's only | |
2105 | * called in master mode. | |
2106 | */ | |
2107 | p.uapsd = false; | |
2108 | ||
a3304b0a JB |
2109 | sdata->tx_conf[params->ac] = p; |
2110 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2111 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2112 | "failed to set TX queue parameters for AC %d\n", |
2113 | params->ac); | |
31888487 JM |
2114 | return -EINVAL; |
2115 | } | |
2116 | ||
7d25745d JB |
2117 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2118 | ||
31888487 JM |
2119 | return 0; |
2120 | } | |
2121 | ||
665af4fc | 2122 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2123 | static int ieee80211_suspend(struct wiphy *wiphy, |
2124 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2125 | { |
eecc4800 | 2126 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2127 | } |
2128 | ||
2129 | static int ieee80211_resume(struct wiphy *wiphy) | |
2130 | { | |
2131 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2132 | } | |
2133 | #else | |
2134 | #define ieee80211_suspend NULL | |
2135 | #define ieee80211_resume NULL | |
2136 | #endif | |
2137 | ||
2a519311 | 2138 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2139 | struct cfg80211_scan_request *req) |
2140 | { | |
fd014284 JB |
2141 | struct ieee80211_sub_if_data *sdata; |
2142 | ||
2143 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2144 | |
2ca27bcf JB |
2145 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2146 | case NL80211_IFTYPE_STATION: | |
2147 | case NL80211_IFTYPE_ADHOC: | |
2148 | case NL80211_IFTYPE_MESH_POINT: | |
2149 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2150 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2151 | break; |
2152 | case NL80211_IFTYPE_P2P_GO: | |
2153 | if (sdata->local->ops->hw_scan) | |
2154 | break; | |
e9d7732e JB |
2155 | /* |
2156 | * FIXME: implement NoA while scanning in software, | |
2157 | * for now fall through to allow scanning only when | |
2158 | * beaconing hasn't been configured yet | |
2159 | */ | |
2ca27bcf | 2160 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2161 | /* |
2162 | * If the scan has been forced (and the driver supports | |
2163 | * forcing), don't care about being beaconing already. | |
2164 | * This will create problems to the attached stations (e.g. all | |
2165 | * the frames sent while scanning on other channel will be | |
2166 | * lost) | |
2167 | */ | |
2168 | if (sdata->u.ap.beacon && | |
2169 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2170 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2171 | return -EOPNOTSUPP; |
2172 | break; | |
2173 | default: | |
2174 | return -EOPNOTSUPP; | |
2175 | } | |
2a519311 JB |
2176 | |
2177 | return ieee80211_request_scan(sdata, req); | |
2178 | } | |
2179 | ||
79f460ca LC |
2180 | static int |
2181 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2182 | struct net_device *dev, | |
2183 | struct cfg80211_sched_scan_request *req) | |
2184 | { | |
2185 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2186 | ||
2187 | if (!sdata->local->ops->sched_scan_start) | |
2188 | return -EOPNOTSUPP; | |
2189 | ||
2190 | return ieee80211_request_sched_scan_start(sdata, req); | |
2191 | } | |
2192 | ||
2193 | static int | |
85a9994a | 2194 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2195 | { |
2196 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2197 | ||
2198 | if (!sdata->local->ops->sched_scan_stop) | |
2199 | return -EOPNOTSUPP; | |
2200 | ||
85a9994a | 2201 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2202 | } |
2203 | ||
636a5d36 JM |
2204 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2205 | struct cfg80211_auth_request *req) | |
2206 | { | |
77fdaa12 | 2207 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2208 | } |
2209 | ||
2210 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2211 | struct cfg80211_assoc_request *req) | |
2212 | { | |
77fdaa12 | 2213 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2214 | } |
2215 | ||
2216 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2217 | struct cfg80211_deauth_request *req) |
636a5d36 | 2218 | { |
63c9c5e7 | 2219 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2220 | } |
2221 | ||
2222 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2223 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2224 | { |
63c9c5e7 | 2225 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2226 | } |
2227 | ||
af8cdcd8 JB |
2228 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2229 | struct cfg80211_ibss_params *params) | |
2230 | { | |
55de908a | 2231 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2232 | } |
2233 | ||
2234 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2235 | { | |
55de908a | 2236 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2237 | } |
2238 | ||
391e53e3 AQ |
2239 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2240 | int rate[IEEE80211_NUM_BANDS]) | |
2241 | { | |
2242 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2243 | ||
9887dbf5 CD |
2244 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2245 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2246 | |
2247 | return 0; | |
2248 | } | |
2249 | ||
b9a5f8ca JM |
2250 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2251 | { | |
2252 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2253 | int err; |
b9a5f8ca | 2254 | |
f23a4780 AN |
2255 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2256 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2257 | ||
2258 | if (err) | |
2259 | return err; | |
2260 | } | |
2261 | ||
310bc676 LT |
2262 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
2263 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
2264 | ||
2265 | if (err) | |
2266 | return err; | |
2267 | } | |
2268 | ||
b9a5f8ca | 2269 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2270 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2271 | |
24487981 JB |
2272 | if (err) |
2273 | return err; | |
b9a5f8ca JM |
2274 | } |
2275 | ||
8bc83c24 JB |
2276 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2277 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2278 | return -EINVAL; | |
b9a5f8ca | 2279 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2280 | } |
2281 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2282 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2283 | return -EINVAL; | |
b9a5f8ca | 2284 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2285 | } |
b9a5f8ca JM |
2286 | if (changed & |
2287 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2288 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2289 | ||
2290 | return 0; | |
2291 | } | |
2292 | ||
7643a2c3 | 2293 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2294 | struct wireless_dev *wdev, |
fa61cf70 | 2295 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2296 | { |
2297 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2298 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2299 | |
1ea6f9c0 JB |
2300 | if (wdev) { |
2301 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2302 | ||
2303 | switch (type) { | |
2304 | case NL80211_TX_POWER_AUTOMATIC: | |
2305 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2306 | break; | |
2307 | case NL80211_TX_POWER_LIMITED: | |
2308 | case NL80211_TX_POWER_FIXED: | |
2309 | if (mbm < 0 || (mbm % 100)) | |
2310 | return -EOPNOTSUPP; | |
2311 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2312 | break; | |
2313 | } | |
2314 | ||
2315 | ieee80211_recalc_txpower(sdata); | |
2316 | ||
2317 | return 0; | |
2318 | } | |
55de908a | 2319 | |
7643a2c3 | 2320 | switch (type) { |
fa61cf70 | 2321 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2322 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2323 | break; |
fa61cf70 | 2324 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2325 | case NL80211_TX_POWER_FIXED: |
2326 | if (mbm < 0 || (mbm % 100)) | |
2327 | return -EOPNOTSUPP; | |
fa61cf70 | 2328 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2329 | break; |
7643a2c3 JB |
2330 | } |
2331 | ||
1ea6f9c0 JB |
2332 | mutex_lock(&local->iflist_mtx); |
2333 | list_for_each_entry(sdata, &local->interfaces, list) | |
2334 | sdata->user_power_level = local->user_power_level; | |
2335 | list_for_each_entry(sdata, &local->interfaces, list) | |
2336 | ieee80211_recalc_txpower(sdata); | |
2337 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2338 | |
2339 | return 0; | |
2340 | } | |
2341 | ||
c8442118 JB |
2342 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2343 | struct wireless_dev *wdev, | |
2344 | int *dbm) | |
7643a2c3 JB |
2345 | { |
2346 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2347 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2348 | |
1ea6f9c0 JB |
2349 | if (!local->use_chanctx) |
2350 | *dbm = local->hw.conf.power_level; | |
2351 | else | |
2352 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2353 | |
7643a2c3 JB |
2354 | return 0; |
2355 | } | |
2356 | ||
ab737a4f | 2357 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2358 | const u8 *addr) |
ab737a4f JB |
2359 | { |
2360 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2361 | ||
2362 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2363 | ||
2364 | return 0; | |
2365 | } | |
2366 | ||
1f87f7d3 JB |
2367 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2368 | { | |
2369 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2370 | ||
2371 | drv_rfkill_poll(local); | |
2372 | } | |
2373 | ||
aff89a9b | 2374 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2375 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2376 | struct wireless_dev *wdev, | |
2377 | void *data, int len) | |
aff89a9b JB |
2378 | { |
2379 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2380 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2381 | |
2382 | if (!local->ops->testmode_cmd) | |
2383 | return -EOPNOTSUPP; | |
2384 | ||
52981cd7 DS |
2385 | if (wdev) { |
2386 | struct ieee80211_sub_if_data *sdata; | |
2387 | ||
2388 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2389 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2390 | vif = &sdata->vif; | |
2391 | } | |
2392 | ||
2393 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2394 | } |
71063f0e WYG |
2395 | |
2396 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2397 | struct sk_buff *skb, | |
2398 | struct netlink_callback *cb, | |
2399 | void *data, int len) | |
2400 | { | |
2401 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2402 | ||
2403 | if (!local->ops->testmode_dump) | |
2404 | return -EOPNOTSUPP; | |
2405 | ||
2406 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2407 | } | |
aff89a9b JB |
2408 | #endif |
2409 | ||
687da132 EG |
2410 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2411 | enum ieee80211_smps_mode smps_mode) | |
2412 | { | |
2413 | struct sta_info *sta; | |
2414 | enum ieee80211_smps_mode old_req; | |
2415 | int i; | |
2416 | ||
2417 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2418 | return -EINVAL; | |
2419 | ||
2420 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2421 | return 0; | |
2422 | ||
2423 | old_req = sdata->u.ap.req_smps; | |
2424 | sdata->u.ap.req_smps = smps_mode; | |
2425 | ||
2426 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2427 | if (old_req == smps_mode || | |
2428 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2429 | return 0; | |
2430 | ||
2431 | /* If no associated stations, there's no need to do anything */ | |
2432 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2433 | sdata->smps_mode = smps_mode; | |
2434 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2435 | return 0; | |
2436 | } | |
2437 | ||
2438 | ht_dbg(sdata, | |
2439 | "SMSP %d requested in AP mode, sending Action frame to %d stations\n", | |
2440 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); | |
2441 | ||
2442 | mutex_lock(&sdata->local->sta_mtx); | |
2443 | for (i = 0; i < STA_HASH_SIZE; i++) { | |
2444 | for (sta = rcu_dereference_protected(sdata->local->sta_hash[i], | |
2445 | lockdep_is_held(&sdata->local->sta_mtx)); | |
2446 | sta; | |
2447 | sta = rcu_dereference_protected(sta->hnext, | |
2448 | lockdep_is_held(&sdata->local->sta_mtx))) { | |
2449 | /* | |
2450 | * Only stations associated to our AP and | |
2451 | * associated VLANs | |
2452 | */ | |
2453 | if (sta->sdata->bss != &sdata->u.ap) | |
2454 | continue; | |
2455 | ||
2456 | /* This station doesn't support MIMO - skip it */ | |
2457 | if (sta_info_tx_streams(sta) == 1) | |
2458 | continue; | |
2459 | ||
2460 | /* | |
2461 | * Don't wake up a STA just to send the action frame | |
2462 | * unless we are getting more restrictive. | |
2463 | */ | |
2464 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2465 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2466 | smps_mode)) { | |
2467 | ht_dbg(sdata, | |
2468 | "Won't send SMPS to sleeping STA %pM\n", | |
2469 | sta->sta.addr); | |
2470 | continue; | |
2471 | } | |
2472 | ||
2473 | /* | |
2474 | * If the STA is not authorized, wait until it gets | |
2475 | * authorized and the action frame will be sent then. | |
2476 | */ | |
2477 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2478 | continue; | |
2479 | ||
2480 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); | |
2481 | ieee80211_send_smps_action(sdata, smps_mode, | |
2482 | sta->sta.addr, | |
2483 | sdata->vif.bss_conf.bssid); | |
2484 | } | |
2485 | } | |
2486 | mutex_unlock(&sdata->local->sta_mtx); | |
2487 | ||
2488 | sdata->smps_mode = smps_mode; | |
2489 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2490 | ||
2491 | return 0; | |
2492 | } | |
2493 | ||
2494 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2495 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2496 | { |
2497 | const u8 *ap; | |
2498 | enum ieee80211_smps_mode old_req; | |
2499 | int err; | |
2500 | ||
8d61ffa5 | 2501 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2502 | |
687da132 EG |
2503 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2504 | return -EINVAL; | |
2505 | ||
0f78231b JB |
2506 | old_req = sdata->u.mgd.req_smps; |
2507 | sdata->u.mgd.req_smps = smps_mode; | |
2508 | ||
2509 | if (old_req == smps_mode && | |
2510 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2511 | return 0; | |
2512 | ||
2513 | /* | |
2514 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2515 | * association, there's no need to do anything, just store |
2516 | * the new value until we associate. | |
0f78231b JB |
2517 | */ |
2518 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2519 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2520 | return 0; |
0f78231b | 2521 | |
0c1ad2ca | 2522 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2523 | |
2524 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2525 | if (sdata->u.mgd.powersave) | |
2526 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2527 | else | |
2528 | smps_mode = IEEE80211_SMPS_OFF; | |
2529 | } | |
2530 | ||
2531 | /* send SM PS frame to AP */ | |
2532 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2533 | ap, ap); | |
2534 | if (err) | |
2535 | sdata->u.mgd.req_smps = old_req; | |
2536 | ||
2537 | return err; | |
2538 | } | |
2539 | ||
bc92afd9 JB |
2540 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2541 | bool enabled, int timeout) | |
2542 | { | |
2543 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2544 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2545 | |
2d3db210 | 2546 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2547 | return -EOPNOTSUPP; |
2548 | ||
bc92afd9 JB |
2549 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2550 | return -EOPNOTSUPP; | |
2551 | ||
2552 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2553 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2554 | return 0; |
2555 | ||
2556 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2557 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2558 | |
0f78231b | 2559 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2560 | sdata_lock(sdata); |
687da132 | 2561 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2562 | sdata_unlock(sdata); |
0f78231b | 2563 | |
bc92afd9 JB |
2564 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2565 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2566 | ||
2567 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2568 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2569 | |
2570 | return 0; | |
2571 | } | |
2572 | ||
a97c13c3 JO |
2573 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2574 | struct net_device *dev, | |
2575 | s32 rssi_thold, u32 rssi_hyst) | |
2576 | { | |
2577 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2578 | struct ieee80211_vif *vif = &sdata->vif; |
2579 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2580 | ||
a97c13c3 JO |
2581 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2582 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2583 | return 0; | |
2584 | ||
2585 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2586 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2587 | ||
2588 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2589 | if (sdata->u.mgd.associated && |
2590 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2591 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2592 | ||
2593 | return 0; | |
2594 | } | |
2595 | ||
9930380f JB |
2596 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2597 | struct net_device *dev, | |
2598 | const u8 *addr, | |
2599 | const struct cfg80211_bitrate_mask *mask) | |
2600 | { | |
2601 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2602 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2603 | int i, ret; |
2c7e6bc9 | 2604 | |
554a43d5 EP |
2605 | if (!ieee80211_sdata_running(sdata)) |
2606 | return -ENETDOWN; | |
2607 | ||
bdbfd6b5 SM |
2608 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2609 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2610 | if (ret) | |
2611 | return ret; | |
2612 | } | |
9930380f | 2613 | |
19468413 | 2614 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2615 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2616 | int j; | |
2617 | ||
37eb0b16 | 2618 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2619 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2620 | sizeof(mask->control[i].ht_mcs)); | |
2ffbe6d3 FF |
2621 | |
2622 | sdata->rc_has_mcs_mask[i] = false; | |
2623 | if (!sband) | |
2624 | continue; | |
2625 | ||
2626 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) | |
2627 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { | |
2628 | sdata->rc_has_mcs_mask[i] = true; | |
2629 | break; | |
2630 | } | |
19468413 | 2631 | } |
9930380f | 2632 | |
37eb0b16 | 2633 | return 0; |
9930380f JB |
2634 | } |
2635 | ||
2eb278e0 JB |
2636 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2637 | struct ieee80211_sub_if_data *sdata, | |
2638 | struct ieee80211_channel *channel, | |
2eb278e0 | 2639 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2640 | struct sk_buff *txskb, |
2641 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2642 | { |
2643 | struct ieee80211_roc_work *roc, *tmp; | |
2644 | bool queued = false; | |
21f83589 | 2645 | int ret; |
21f83589 JB |
2646 | |
2647 | lockdep_assert_held(&local->mtx); | |
2648 | ||
fe57d9f5 JB |
2649 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2650 | return -EOPNOTSUPP; | |
2651 | ||
2eb278e0 JB |
2652 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2653 | if (!roc) | |
2654 | return -ENOMEM; | |
2655 | ||
2fae062e IP |
2656 | /* |
2657 | * If the duration is zero, then the driver | |
2658 | * wouldn't actually do anything. Set it to | |
2659 | * 10 for now. | |
2660 | * | |
2661 | * TODO: cancel the off-channel operation | |
2662 | * when we get the SKB's TX status and | |
2663 | * the wait time was zero before. | |
2664 | */ | |
2665 | if (!duration) | |
2666 | duration = 10; | |
2667 | ||
2eb278e0 | 2668 | roc->chan = channel; |
2eb278e0 JB |
2669 | roc->duration = duration; |
2670 | roc->req_duration = duration; | |
2671 | roc->frame = txskb; | |
d339d5ca | 2672 | roc->type = type; |
2eb278e0 JB |
2673 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2674 | roc->sdata = sdata; | |
2675 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2676 | INIT_LIST_HEAD(&roc->dependents); | |
2677 | ||
2f617435 EP |
2678 | /* |
2679 | * cookie is either the roc cookie (for normal roc) | |
2680 | * or the SKB (for mgmt TX) | |
2681 | */ | |
2682 | if (!txskb) { | |
2683 | /* local->mtx protects this */ | |
2684 | local->roc_cookie_counter++; | |
2685 | roc->cookie = local->roc_cookie_counter; | |
2686 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2687 | if (WARN_ON(roc->cookie == 0)) { | |
2688 | roc->cookie = 1; | |
2689 | local->roc_cookie_counter++; | |
2690 | } | |
2691 | *cookie = roc->cookie; | |
2692 | } else { | |
2693 | *cookie = (unsigned long)txskb; | |
2694 | } | |
2695 | ||
2eb278e0 | 2696 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d SW |
2697 | if (!list_empty(&local->roc_list) || |
2698 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2699 | goto out_check_combine; |
2700 | ||
2701 | /* if not HW assist, just queue & schedule work */ | |
2702 | if (!local->ops->remain_on_channel) { | |
2703 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2704 | goto out_queue; | |
2705 | } | |
2706 | ||
2707 | /* otherwise actually kick it off here (for error handling) */ | |
2708 | ||
d339d5ca | 2709 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2710 | if (ret) { |
2eb278e0 JB |
2711 | kfree(roc); |
2712 | return ret; | |
21f83589 JB |
2713 | } |
2714 | ||
2eb278e0 JB |
2715 | roc->started = true; |
2716 | goto out_queue; | |
2717 | ||
2718 | out_check_combine: | |
2719 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2720 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2721 | continue; |
2722 | ||
2723 | /* | |
2724 | * Extend this ROC if possible: | |
2725 | * | |
2726 | * If it hasn't started yet, just increase the duration | |
2727 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2728 | * If the type of the new ROC has higher priority, modify the |
2729 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2730 | */ |
2731 | if (!tmp->started) { | |
2732 | list_add_tail(&roc->list, &tmp->dependents); | |
2733 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2734 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2735 | queued = true; |
2736 | break; | |
2737 | } | |
2738 | ||
2739 | /* If it has already started, it's more difficult ... */ | |
2740 | if (local->ops->remain_on_channel) { | |
2741 | unsigned long j = jiffies; | |
2742 | ||
2743 | /* | |
2744 | * In the offloaded ROC case, if it hasn't begun, add | |
2745 | * this new one to the dependent list to be handled | |
d339d5ca | 2746 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2747 | * check that there's still a minimum time left and |
2748 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2749 | * add it to the list directly after this one with |
2eb278e0 JB |
2750 | * a reduced time so we'll ask the driver to execute |
2751 | * it right after finishing the previous one, in the | |
2752 | * hope that it'll also be executed right afterwards, | |
2753 | * effectively extending the old one. | |
2754 | * If there's no minimum time left, just add it to the | |
2755 | * normal list. | |
d339d5ca IP |
2756 | * TODO: the ROC type is ignored here, assuming that it |
2757 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2758 | */ |
2759 | if (!tmp->hw_begun) { | |
2760 | list_add_tail(&roc->list, &tmp->dependents); | |
2761 | queued = true; | |
2762 | break; | |
2763 | } | |
2764 | ||
2765 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2766 | tmp->hw_start_time + | |
2767 | msecs_to_jiffies(tmp->duration))) { | |
2768 | int new_dur; | |
2769 | ||
2770 | ieee80211_handle_roc_started(roc); | |
2771 | ||
2772 | new_dur = roc->duration - | |
2773 | jiffies_to_msecs(tmp->hw_start_time + | |
2774 | msecs_to_jiffies( | |
2775 | tmp->duration) - | |
2776 | j); | |
2777 | ||
2778 | if (new_dur > 0) { | |
2779 | /* add right after tmp */ | |
2780 | list_add(&roc->list, &tmp->list); | |
2781 | } else { | |
2782 | list_add_tail(&roc->list, | |
2783 | &tmp->dependents); | |
2784 | } | |
2785 | queued = true; | |
2786 | } | |
2787 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2788 | unsigned long new_end; | |
2789 | ||
2790 | /* | |
2791 | * In the software ROC case, cancel the timer, if | |
2792 | * that fails then the finish work is already | |
2793 | * queued/pending and thus we queue the new ROC | |
2794 | * normally, if that succeeds then we can extend | |
2795 | * the timer duration and TX the frame (if any.) | |
2796 | */ | |
2797 | ||
2798 | list_add_tail(&roc->list, &tmp->dependents); | |
2799 | queued = true; | |
2800 | ||
2801 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2802 | ||
2803 | /* ok, it was started & we canceled timer */ | |
2804 | if (time_after(new_end, tmp->work.timer.expires)) | |
2805 | mod_timer(&tmp->work.timer, new_end); | |
2806 | else | |
2807 | add_timer(&tmp->work.timer); | |
2808 | ||
2809 | ieee80211_handle_roc_started(roc); | |
2810 | } | |
2811 | break; | |
2812 | } | |
2813 | ||
2814 | out_queue: | |
2815 | if (!queued) | |
2816 | list_add_tail(&roc->list, &local->roc_list); | |
2817 | ||
2eb278e0 | 2818 | return 0; |
21f83589 JB |
2819 | } |
2820 | ||
b8bc4b0a | 2821 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2822 | struct wireless_dev *wdev, |
b8bc4b0a | 2823 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2824 | unsigned int duration, |
2825 | u64 *cookie) | |
2826 | { | |
71bbc994 | 2827 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2828 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2829 | int ret; |
21f83589 | 2830 | |
2eb278e0 | 2831 | mutex_lock(&local->mtx); |
42d97a59 | 2832 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2833 | duration, cookie, NULL, |
2834 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2835 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2836 | |
2eb278e0 | 2837 | return ret; |
b8bc4b0a JB |
2838 | } |
2839 | ||
2eb278e0 JB |
2840 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2841 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2842 | { |
2eb278e0 | 2843 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2844 | int ret; |
2845 | ||
2eb278e0 JB |
2846 | mutex_lock(&local->mtx); |
2847 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2848 | struct ieee80211_roc_work *dep, *tmp2; |
2849 | ||
2850 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2851 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2852 | continue; |
2853 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2854 | continue; | |
2855 | /* found dependent item -- just remove it */ | |
2856 | list_del(&dep->list); | |
2857 | mutex_unlock(&local->mtx); | |
2858 | ||
3fbd45ca | 2859 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2860 | return 0; |
2861 | } | |
2862 | ||
50febf6a | 2863 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2864 | continue; |
2865 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2866 | continue; | |
21f83589 | 2867 | |
2eb278e0 JB |
2868 | found = roc; |
2869 | break; | |
2870 | } | |
21f83589 | 2871 | |
2eb278e0 JB |
2872 | if (!found) { |
2873 | mutex_unlock(&local->mtx); | |
2874 | return -ENOENT; | |
2875 | } | |
21f83589 | 2876 | |
e979e33c JB |
2877 | /* |
2878 | * We found the item to cancel, so do that. Note that it | |
2879 | * may have dependents, which we also cancel (and send | |
2880 | * the expired signal for.) Not doing so would be quite | |
2881 | * tricky here, but we may need to fix it later. | |
2882 | */ | |
2883 | ||
2eb278e0 JB |
2884 | if (local->ops->remain_on_channel) { |
2885 | if (found->started) { | |
2886 | ret = drv_cancel_remain_on_channel(local); | |
2887 | if (WARN_ON_ONCE(ret)) { | |
2888 | mutex_unlock(&local->mtx); | |
2889 | return ret; | |
2890 | } | |
2891 | } | |
21f83589 | 2892 | |
2eb278e0 | 2893 | list_del(&found->list); |
21f83589 | 2894 | |
0f6b3f59 JB |
2895 | if (found->started) |
2896 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2897 | mutex_unlock(&local->mtx); |
21f83589 | 2898 | |
3fbd45ca | 2899 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2900 | } else { |
2901 | /* work may be pending so use it all the time */ | |
2902 | found->abort = true; | |
2903 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2904 | |
21f83589 JB |
2905 | mutex_unlock(&local->mtx); |
2906 | ||
2eb278e0 JB |
2907 | /* work will clean up etc */ |
2908 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2909 | WARN_ON(!found->to_be_freed); |
2910 | kfree(found); | |
21f83589 | 2911 | } |
b8bc4b0a | 2912 | |
2eb278e0 | 2913 | return 0; |
b8bc4b0a JB |
2914 | } |
2915 | ||
2eb278e0 | 2916 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2917 | struct wireless_dev *wdev, |
2eb278e0 | 2918 | u64 cookie) |
f30221e4 | 2919 | { |
71bbc994 | 2920 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2921 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2922 | |
2eb278e0 | 2923 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2924 | } |
2925 | ||
164eb02d SW |
2926 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2927 | struct net_device *dev, | |
31559f35 JD |
2928 | struct cfg80211_chan_def *chandef, |
2929 | u32 cac_time_ms) | |
164eb02d SW |
2930 | { |
2931 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2932 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2933 | int err; |
2934 | ||
34a3740d JB |
2935 | mutex_lock(&local->mtx); |
2936 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2937 | err = -EBUSY; | |
2938 | goto out_unlock; | |
2939 | } | |
164eb02d SW |
2940 | |
2941 | /* whatever, but channel contexts should not complain about that one */ | |
2942 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2943 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2944 | |
164eb02d SW |
2945 | err = ieee80211_vif_use_channel(sdata, chandef, |
2946 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2947 | if (err) |
34a3740d | 2948 | goto out_unlock; |
164eb02d | 2949 | |
164eb02d | 2950 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2951 | &sdata->dfs_cac_timer_work, |
2952 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2953 | |
34a3740d JB |
2954 | out_unlock: |
2955 | mutex_unlock(&local->mtx); | |
2956 | return err; | |
164eb02d SW |
2957 | } |
2958 | ||
73da7d5b SW |
2959 | static struct cfg80211_beacon_data * |
2960 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2961 | { | |
2962 | struct cfg80211_beacon_data *new_beacon; | |
2963 | u8 *pos; | |
2964 | int len; | |
2965 | ||
2966 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2967 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2968 | beacon->probe_resp_len; | |
2969 | ||
2970 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2971 | if (!new_beacon) | |
2972 | return NULL; | |
2973 | ||
2974 | pos = (u8 *)(new_beacon + 1); | |
2975 | if (beacon->head_len) { | |
2976 | new_beacon->head_len = beacon->head_len; | |
2977 | new_beacon->head = pos; | |
2978 | memcpy(pos, beacon->head, beacon->head_len); | |
2979 | pos += beacon->head_len; | |
2980 | } | |
2981 | if (beacon->tail_len) { | |
2982 | new_beacon->tail_len = beacon->tail_len; | |
2983 | new_beacon->tail = pos; | |
2984 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2985 | pos += beacon->tail_len; | |
2986 | } | |
2987 | if (beacon->beacon_ies_len) { | |
2988 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2989 | new_beacon->beacon_ies = pos; | |
2990 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2991 | pos += beacon->beacon_ies_len; | |
2992 | } | |
2993 | if (beacon->proberesp_ies_len) { | |
2994 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2995 | new_beacon->proberesp_ies = pos; | |
2996 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2997 | pos += beacon->proberesp_ies_len; | |
2998 | } | |
2999 | if (beacon->assocresp_ies_len) { | |
3000 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
3001 | new_beacon->assocresp_ies = pos; | |
3002 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
3003 | pos += beacon->assocresp_ies_len; | |
3004 | } | |
3005 | if (beacon->probe_resp_len) { | |
3006 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
3007 | beacon->probe_resp = pos; | |
3008 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
3009 | pos += beacon->probe_resp_len; | |
3010 | } | |
3011 | ||
3012 | return new_beacon; | |
3013 | } | |
3014 | ||
66e01cf9 | 3015 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 3016 | { |
66e01cf9 | 3017 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 3018 | |
66e01cf9 LC |
3019 | ieee80211_queue_work(&sdata->local->hw, |
3020 | &sdata->csa_finalize_work); | |
3021 | } | |
3022 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 3023 | |
66e01cf9 LC |
3024 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
3025 | { | |
3026 | struct ieee80211_local *local = sdata->local; | |
3027 | int err, changed = 0; | |
73da7d5b | 3028 | |
dbd72850 MK |
3029 | sdata_assert_lock(sdata); |
3030 | ||
34a3740d | 3031 | mutex_lock(&local->mtx); |
cc901de1 | 3032 | sdata->radar_required = sdata->csa_radar_required; |
33787fc4 | 3033 | err = ieee80211_vif_change_channel(sdata, &changed); |
34a3740d | 3034 | mutex_unlock(&local->mtx); |
73da7d5b | 3035 | if (WARN_ON(err < 0)) |
66e01cf9 | 3036 | return; |
73da7d5b | 3037 | |
7578d575 | 3038 | if (!local->use_chanctx) { |
33787fc4 | 3039 | local->_oper_chandef = sdata->csa_chandef; |
7578d575 AN |
3040 | ieee80211_hw_config(local, 0); |
3041 | } | |
3042 | ||
e487eaeb | 3043 | sdata->vif.csa_active = false; |
cd7760e6 SW |
3044 | switch (sdata->vif.type) { |
3045 | case NL80211_IFTYPE_AP: | |
3046 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon); | |
97518af1 MK |
3047 | kfree(sdata->u.ap.next_beacon); |
3048 | sdata->u.ap.next_beacon = NULL; | |
3049 | ||
cd7760e6 | 3050 | if (err < 0) |
66e01cf9 | 3051 | return; |
cd7760e6 | 3052 | changed |= err; |
cd7760e6 SW |
3053 | break; |
3054 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
3055 | err = ieee80211_ibss_finish_csa(sdata); |
3056 | if (err < 0) | |
3057 | return; | |
3058 | changed |= err; | |
cd7760e6 | 3059 | break; |
b8456a14 CYY |
3060 | #ifdef CONFIG_MAC80211_MESH |
3061 | case NL80211_IFTYPE_MESH_POINT: | |
3062 | err = ieee80211_mesh_finish_csa(sdata); | |
3063 | if (err < 0) | |
66e01cf9 | 3064 | return; |
faf046e7 | 3065 | changed |= err; |
b8456a14 CYY |
3066 | break; |
3067 | #endif | |
cd7760e6 SW |
3068 | default: |
3069 | WARN_ON(1); | |
66e01cf9 | 3070 | return; |
cd7760e6 | 3071 | } |
73da7d5b | 3072 | |
faf046e7 MK |
3073 | ieee80211_bss_info_change_notify(sdata, changed); |
3074 | ||
73da7d5b SW |
3075 | ieee80211_wake_queues_by_reason(&sdata->local->hw, |
3076 | IEEE80211_MAX_QUEUE_MAP, | |
3077 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3078 | ||
33787fc4 | 3079 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); |
66e01cf9 LC |
3080 | } |
3081 | ||
3082 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
3083 | { | |
3084 | struct ieee80211_sub_if_data *sdata = | |
3085 | container_of(work, struct ieee80211_sub_if_data, | |
3086 | csa_finalize_work); | |
3087 | ||
3088 | sdata_lock(sdata); | |
3089 | /* AP might have been stopped while waiting for the lock. */ | |
3090 | if (!sdata->vif.csa_active) | |
3091 | goto unlock; | |
3092 | ||
3093 | if (!ieee80211_sdata_running(sdata)) | |
3094 | goto unlock; | |
3095 | ||
3096 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3097 | |
3098 | unlock: | |
3099 | sdata_unlock(sdata); | |
73da7d5b SW |
3100 | } |
3101 | ||
37fa2bdd MK |
3102 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3103 | struct cfg80211_csa_settings *params, | |
3104 | u32 *changed) | |
73da7d5b | 3105 | { |
37fa2bdd | 3106 | int err; |
73da7d5b | 3107 | |
73da7d5b SW |
3108 | switch (sdata->vif.type) { |
3109 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3110 | sdata->u.ap.next_beacon = |
3111 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3112 | if (!sdata->u.ap.next_beacon) | |
3113 | return -ENOMEM; | |
3114 | ||
66e01cf9 LC |
3115 | /* |
3116 | * With a count of 0, we don't have to wait for any | |
3117 | * TBTT before switching, so complete the CSA | |
3118 | * immediately. In theory, with a count == 1 we | |
3119 | * should delay the switch until just before the next | |
3120 | * TBTT, but that would complicate things so we switch | |
3121 | * immediately too. If we would delay the switch | |
3122 | * until the next TBTT, we would have to set the probe | |
3123 | * response here. | |
3124 | * | |
3125 | * TODO: A channel switch with count <= 1 without | |
3126 | * sending a CSA action frame is kind of useless, | |
3127 | * because the clients won't know we're changing | |
3128 | * channels. The action frame must be implemented | |
3129 | * either here or in the userspace. | |
3130 | */ | |
3131 | if (params->count <= 1) | |
3132 | break; | |
3133 | ||
3134 | sdata->csa_counter_offset_beacon = | |
3135 | params->counter_offset_beacon; | |
3136 | sdata->csa_counter_offset_presp = params->counter_offset_presp; | |
cd7760e6 SW |
3137 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa); |
3138 | if (err < 0) { | |
3139 | kfree(sdata->u.ap.next_beacon); | |
3140 | return err; | |
3141 | } | |
37fa2bdd | 3142 | *changed |= err; |
66e01cf9 | 3143 | |
cd7760e6 SW |
3144 | break; |
3145 | case NL80211_IFTYPE_ADHOC: | |
3146 | if (!sdata->vif.bss_conf.ibss_joined) | |
3147 | return -EINVAL; | |
3148 | ||
3149 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3150 | return -EINVAL; | |
3151 | ||
3152 | switch (params->chandef.width) { | |
3153 | case NL80211_CHAN_WIDTH_40: | |
3154 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3155 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3156 | return -EINVAL; | |
3157 | case NL80211_CHAN_WIDTH_5: | |
3158 | case NL80211_CHAN_WIDTH_10: | |
3159 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3160 | case NL80211_CHAN_WIDTH_20: | |
3161 | break; | |
3162 | default: | |
3163 | return -EINVAL; | |
3164 | } | |
3165 | ||
3166 | /* changes into another band are not supported */ | |
3167 | if (sdata->u.ibss.chandef.chan->band != | |
3168 | params->chandef.chan->band) | |
3169 | return -EINVAL; | |
3170 | ||
66e01cf9 LC |
3171 | /* see comments in the NL80211_IFTYPE_AP block */ |
3172 | if (params->count > 1) { | |
3173 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3174 | if (err < 0) | |
3175 | return err; | |
37fa2bdd | 3176 | *changed |= err; |
66e01cf9 LC |
3177 | } |
3178 | ||
3179 | ieee80211_send_action_csa(sdata, params); | |
3180 | ||
73da7d5b | 3181 | break; |
c6da674a | 3182 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3183 | case NL80211_IFTYPE_MESH_POINT: { |
3184 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3185 | |
c6da674a CYY |
3186 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3187 | return -EINVAL; | |
3188 | ||
3189 | /* changes into another band are not supported */ | |
3190 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3191 | params->chandef.chan->band) | |
3192 | return -EINVAL; | |
3193 | ||
c782bf8c | 3194 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3195 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3196 | if (!ifmsh->pre_value) |
3197 | ifmsh->pre_value = 1; | |
3198 | else | |
3199 | ifmsh->pre_value++; | |
3200 | } | |
0cb4d4dc | 3201 | |
66e01cf9 LC |
3202 | /* see comments in the NL80211_IFTYPE_AP block */ |
3203 | if (params->count > 1) { | |
3204 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3205 | if (err < 0) { | |
3206 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3207 | return err; | |
3208 | } | |
37fa2bdd | 3209 | *changed |= err; |
3f718fd8 | 3210 | } |
66e01cf9 LC |
3211 | |
3212 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3213 | ieee80211_send_action_csa(sdata, params); | |
3214 | ||
c6da674a | 3215 | break; |
37fa2bdd | 3216 | } |
c6da674a | 3217 | #endif |
73da7d5b SW |
3218 | default: |
3219 | return -EOPNOTSUPP; | |
3220 | } | |
3221 | ||
37fa2bdd MK |
3222 | return 0; |
3223 | } | |
3224 | ||
3225 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3226 | struct cfg80211_csa_settings *params) | |
3227 | { | |
3228 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3229 | struct ieee80211_local *local = sdata->local; | |
2b32713d | 3230 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd MK |
3231 | struct ieee80211_chanctx *chanctx; |
3232 | int err, num_chanctx, changed = 0; | |
3233 | ||
3234 | sdata_assert_lock(sdata); | |
3235 | ||
3236 | if (!list_empty(&local->roc_list) || local->scanning) | |
3237 | return -EBUSY; | |
3238 | ||
3239 | if (sdata->wdev.cac_started) | |
3240 | return -EBUSY; | |
3241 | ||
3242 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3243 | &sdata->vif.bss_conf.chandef)) | |
3244 | return -EINVAL; | |
3245 | ||
2b32713d MK |
3246 | mutex_lock(&local->chanctx_mtx); |
3247 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3248 | lockdep_is_held(&local->chanctx_mtx)); | |
3249 | if (!conf) { | |
3250 | mutex_unlock(&local->chanctx_mtx); | |
37fa2bdd MK |
3251 | return -EBUSY; |
3252 | } | |
3253 | ||
3254 | /* don't handle for multi-VIF cases */ | |
2b32713d | 3255 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
c0166da9 | 3256 | if (ieee80211_chanctx_refcount(local, chanctx) > 1) { |
2b32713d | 3257 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3258 | return -EBUSY; |
3259 | } | |
3260 | num_chanctx = 0; | |
3261 | list_for_each_entry_rcu(chanctx, &local->chanctx_list, list) | |
3262 | num_chanctx++; | |
2b32713d | 3263 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3264 | |
3265 | if (num_chanctx > 1) | |
3266 | return -EBUSY; | |
3267 | ||
3268 | /* don't allow another channel switch if one is already active. */ | |
3269 | if (sdata->vif.csa_active) | |
3270 | return -EBUSY; | |
3271 | ||
3272 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
3273 | if (err) | |
3274 | return err; | |
3275 | ||
73da7d5b SW |
3276 | sdata->csa_radar_required = params->radar_required; |
3277 | ||
3278 | if (params->block_tx) | |
3279 | ieee80211_stop_queues_by_reason(&local->hw, | |
3280 | IEEE80211_MAX_QUEUE_MAP, | |
3281 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3282 | ||
33787fc4 | 3283 | sdata->csa_chandef = params->chandef; |
73da7d5b SW |
3284 | sdata->vif.csa_active = true; |
3285 | ||
66e01cf9 LC |
3286 | if (changed) { |
3287 | ieee80211_bss_info_change_notify(sdata, changed); | |
3288 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3289 | } else { | |
3290 | /* if the beacon didn't change, we can finalize immediately */ | |
3291 | ieee80211_csa_finalize(sdata); | |
3292 | } | |
73da7d5b SW |
3293 | |
3294 | return 0; | |
3295 | } | |
3296 | ||
71bbc994 | 3297 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3298 | struct cfg80211_mgmt_tx_params *params, |
3299 | u64 *cookie) | |
026331c4 | 3300 | { |
71bbc994 | 3301 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
3302 | struct ieee80211_local *local = sdata->local; |
3303 | struct sk_buff *skb; | |
3304 | struct sta_info *sta; | |
b176e629 | 3305 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3306 | bool need_offchan = false; |
e247bd90 | 3307 | u32 flags; |
2eb278e0 | 3308 | int ret; |
f7ca38df | 3309 | |
b176e629 | 3310 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3311 | flags = IEEE80211_TX_CTL_NO_ACK; |
3312 | else | |
3313 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3314 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3315 | ||
b176e629 | 3316 | if (params->no_cck) |
aad14ceb RM |
3317 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3318 | ||
9d38d85d JB |
3319 | switch (sdata->vif.type) { |
3320 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3321 | if (!sdata->vif.bss_conf.ibss_joined) |
3322 | need_offchan = true; | |
3323 | /* fall through */ | |
3324 | #ifdef CONFIG_MAC80211_MESH | |
3325 | case NL80211_IFTYPE_MESH_POINT: | |
3326 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3327 | !sdata->u.mesh.mesh_id_len) | |
3328 | need_offchan = true; | |
3329 | /* fall through */ | |
3330 | #endif | |
663fcafd JB |
3331 | case NL80211_IFTYPE_AP: |
3332 | case NL80211_IFTYPE_AP_VLAN: | |
3333 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3334 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3335 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3336 | !rcu_access_pointer(sdata->bss->beacon)) | |
3337 | need_offchan = true; | |
663fcafd | 3338 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3339 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3340 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3341 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3342 | break; |
3343 | rcu_read_lock(); | |
3344 | sta = sta_info_get(sdata, mgmt->da); | |
3345 | rcu_read_unlock(); | |
3346 | if (!sta) | |
3347 | return -ENOLINK; | |
3348 | break; | |
3349 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3350 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
3351 | if (!sdata->u.mgd.associated) |
3352 | need_offchan = true; | |
9d38d85d | 3353 | break; |
f142c6b9 JB |
3354 | case NL80211_IFTYPE_P2P_DEVICE: |
3355 | need_offchan = true; | |
3356 | break; | |
9d38d85d JB |
3357 | default: |
3358 | return -EOPNOTSUPP; | |
3359 | } | |
3360 | ||
f7aeb6fb AQ |
3361 | /* configurations requiring offchan cannot work if no channel has been |
3362 | * specified | |
3363 | */ | |
b176e629 | 3364 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3365 | return -EINVAL; |
3366 | ||
2eb278e0 JB |
3367 | mutex_lock(&local->mtx); |
3368 | ||
3369 | /* Check if the operating channel is the requested channel */ | |
3370 | if (!need_offchan) { | |
55de908a JB |
3371 | struct ieee80211_chanctx_conf *chanctx_conf; |
3372 | ||
3373 | rcu_read_lock(); | |
3374 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3375 | ||
f7aeb6fb | 3376 | if (chanctx_conf) { |
b176e629 AO |
3377 | need_offchan = params->chan && |
3378 | (params->chan != | |
3379 | chanctx_conf->def.chan); | |
3380 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3381 | ret = -EINVAL; |
3382 | rcu_read_unlock(); | |
3383 | goto out_unlock; | |
3384 | } else { | |
2eb278e0 | 3385 | need_offchan = true; |
f7aeb6fb | 3386 | } |
55de908a | 3387 | rcu_read_unlock(); |
2eb278e0 JB |
3388 | } |
3389 | ||
b176e629 | 3390 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3391 | ret = -EBUSY; |
3392 | goto out_unlock; | |
3393 | } | |
3394 | ||
b176e629 | 3395 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3396 | if (!skb) { |
3397 | ret = -ENOMEM; | |
3398 | goto out_unlock; | |
3399 | } | |
9d38d85d JB |
3400 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3401 | ||
b176e629 | 3402 | memcpy(skb_put(skb, params->len), params->buf, params->len); |
9d38d85d JB |
3403 | |
3404 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3405 | ||
3406 | skb->dev = sdata->dev; | |
9d38d85d | 3407 | |
2eb278e0 | 3408 | if (!need_offchan) { |
7f9f78ab | 3409 | *cookie = (unsigned long) skb; |
f30221e4 | 3410 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3411 | ret = 0; |
3412 | goto out_unlock; | |
f30221e4 JB |
3413 | } |
3414 | ||
6c17b77b SF |
3415 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3416 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
3417 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
3418 | IEEE80211_SKB_CB(skb)->hw_queue = | |
3419 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3420 | |
2eb278e0 | 3421 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3422 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3423 | params->wait, cookie, skb, | |
d339d5ca | 3424 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3425 | if (ret) |
3426 | kfree_skb(skb); | |
3427 | out_unlock: | |
3428 | mutex_unlock(&local->mtx); | |
3429 | return ret; | |
026331c4 JM |
3430 | } |
3431 | ||
f30221e4 | 3432 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3433 | struct wireless_dev *wdev, |
f30221e4 JB |
3434 | u64 cookie) |
3435 | { | |
71bbc994 | 3436 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3437 | |
2eb278e0 | 3438 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3439 | } |
3440 | ||
7be5086d | 3441 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3442 | struct wireless_dev *wdev, |
7be5086d JB |
3443 | u16 frame_type, bool reg) |
3444 | { | |
3445 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3446 | ||
6abe0563 | 3447 | switch (frame_type) { |
6abe0563 WH |
3448 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3449 | if (reg) | |
3450 | local->probe_req_reg++; | |
3451 | else | |
3452 | local->probe_req_reg--; | |
7be5086d | 3453 | |
35f5149e FF |
3454 | if (!local->open_count) |
3455 | break; | |
3456 | ||
6abe0563 WH |
3457 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3458 | break; | |
3459 | default: | |
3460 | break; | |
3461 | } | |
7be5086d JB |
3462 | } |
3463 | ||
15d96753 BR |
3464 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3465 | { | |
3466 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3467 | ||
3468 | if (local->started) | |
3469 | return -EOPNOTSUPP; | |
3470 | ||
3471 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3472 | } | |
3473 | ||
3474 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3475 | { | |
3476 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3477 | ||
3478 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3479 | } | |
3480 | ||
38c09159 JL |
3481 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
3482 | { | |
3483 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3484 | ||
3485 | return drv_set_ringparam(local, tx, rx); | |
3486 | } | |
3487 | ||
3488 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
3489 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
3490 | { | |
3491 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3492 | ||
3493 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
3494 | } | |
3495 | ||
c68f4b89 JB |
3496 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3497 | struct net_device *dev, | |
3498 | struct cfg80211_gtk_rekey_data *data) | |
3499 | { | |
3500 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3501 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3502 | ||
3503 | if (!local->ops->set_rekey_data) | |
3504 | return -EOPNOTSUPP; | |
3505 | ||
3506 | drv_set_rekey_data(local, sdata, data); | |
3507 | ||
3508 | return 0; | |
3509 | } | |
3510 | ||
06500736 JB |
3511 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3512 | const u8 *peer, u64 *cookie) | |
3513 | { | |
3514 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3515 | struct ieee80211_local *local = sdata->local; | |
3516 | struct ieee80211_qos_hdr *nullfunc; | |
3517 | struct sk_buff *skb; | |
3518 | int size = sizeof(*nullfunc); | |
3519 | __le16 fc; | |
3520 | bool qos; | |
3521 | struct ieee80211_tx_info *info; | |
3522 | struct sta_info *sta; | |
55de908a JB |
3523 | struct ieee80211_chanctx_conf *chanctx_conf; |
3524 | enum ieee80211_band band; | |
06500736 JB |
3525 | |
3526 | rcu_read_lock(); | |
55de908a JB |
3527 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3528 | if (WARN_ON(!chanctx_conf)) { | |
3529 | rcu_read_unlock(); | |
3530 | return -EINVAL; | |
3531 | } | |
4bf88530 | 3532 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3533 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3534 | if (sta) { |
06500736 | 3535 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3536 | } else { |
3537 | rcu_read_unlock(); | |
06500736 | 3538 | return -ENOLINK; |
b4487c2d | 3539 | } |
06500736 JB |
3540 | |
3541 | if (qos) { | |
3542 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3543 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3544 | IEEE80211_FCTL_FROMDS); | |
3545 | } else { | |
3546 | size -= 2; | |
3547 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3548 | IEEE80211_STYPE_NULLFUNC | | |
3549 | IEEE80211_FCTL_FROMDS); | |
3550 | } | |
3551 | ||
3552 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3553 | if (!skb) { |
3554 | rcu_read_unlock(); | |
06500736 | 3555 | return -ENOMEM; |
55de908a | 3556 | } |
06500736 JB |
3557 | |
3558 | skb->dev = dev; | |
3559 | ||
3560 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3561 | ||
3562 | nullfunc = (void *) skb_put(skb, size); | |
3563 | nullfunc->frame_control = fc; | |
3564 | nullfunc->duration_id = 0; | |
3565 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3566 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3567 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3568 | nullfunc->seq_ctrl = 0; | |
3569 | ||
3570 | info = IEEE80211_SKB_CB(skb); | |
3571 | ||
3572 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3573 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3574 | ||
3575 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3576 | skb->priority = 7; | |
3577 | if (qos) | |
3578 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3579 | ||
3580 | local_bh_disable(); | |
55de908a | 3581 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3582 | local_bh_enable(); |
55de908a | 3583 | rcu_read_unlock(); |
06500736 JB |
3584 | |
3585 | *cookie = (unsigned long) skb; | |
3586 | return 0; | |
3587 | } | |
3588 | ||
683b6d3b JB |
3589 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3590 | struct wireless_dev *wdev, | |
3591 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3592 | { |
55de908a | 3593 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3594 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3595 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3596 | int ret = -ENODATA; |
55de908a JB |
3597 | |
3598 | rcu_read_lock(); | |
feda3027 JB |
3599 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3600 | if (chanctx_conf) { | |
3601 | *chandef = chanctx_conf->def; | |
3602 | ret = 0; | |
3603 | } else if (local->open_count > 0 && | |
3604 | local->open_count == local->monitors && | |
3605 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3606 | if (local->use_chanctx) | |
3607 | *chandef = local->monitor_chandef; | |
3608 | else | |
675a0b04 | 3609 | *chandef = local->_oper_chandef; |
683b6d3b | 3610 | ret = 0; |
55de908a JB |
3611 | } |
3612 | rcu_read_unlock(); | |
5b7ccaf3 | 3613 | |
683b6d3b | 3614 | return ret; |
5b7ccaf3 JB |
3615 | } |
3616 | ||
6d52563f JB |
3617 | #ifdef CONFIG_PM |
3618 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3619 | { | |
3620 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3621 | } | |
3622 | #endif | |
3623 | ||
32db6b54 KP |
3624 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3625 | struct net_device *dev, | |
3626 | struct cfg80211_qos_map *qos_map) | |
3627 | { | |
3628 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3629 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3630 | ||
3631 | if (qos_map) { | |
3632 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3633 | if (!new_qos_map) | |
3634 | return -ENOMEM; | |
3635 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3636 | } else { | |
3637 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3638 | new_qos_map = NULL; | |
3639 | } | |
3640 | ||
194ff52d | 3641 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3642 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3643 | if (old_qos_map) | |
3644 | kfree_rcu(old_qos_map, rcu_head); | |
3645 | ||
3646 | return 0; | |
3647 | } | |
3648 | ||
3b1700bd JM |
3649 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3650 | struct net_device *dev, | |
3651 | struct cfg80211_chan_def *chandef) | |
3652 | { | |
3653 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3654 | int ret; | |
3655 | u32 changed = 0; | |
3656 | ||
3657 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3658 | if (ret == 0) | |
3659 | ieee80211_bss_info_change_notify(sdata, changed); | |
3660 | ||
3661 | return ret; | |
3662 | } | |
3663 | ||
8a47cea7 | 3664 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3665 | .add_virtual_intf = ieee80211_add_iface, |
3666 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3667 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3668 | .start_p2p_device = ieee80211_start_p2p_device, |
3669 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3670 | .add_key = ieee80211_add_key, |
3671 | .del_key = ieee80211_del_key, | |
62da92fb | 3672 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3673 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3674 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3675 | .start_ap = ieee80211_start_ap, |
3676 | .change_beacon = ieee80211_change_beacon, | |
3677 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3678 | .add_station = ieee80211_add_station, |
3679 | .del_station = ieee80211_del_station, | |
3680 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3681 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3682 | .dump_station = ieee80211_dump_station, |
1289723e | 3683 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3684 | #ifdef CONFIG_MAC80211_MESH |
3685 | .add_mpath = ieee80211_add_mpath, | |
3686 | .del_mpath = ieee80211_del_mpath, | |
3687 | .change_mpath = ieee80211_change_mpath, | |
3688 | .get_mpath = ieee80211_get_mpath, | |
3689 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3690 | .update_mesh_config = ieee80211_update_mesh_config, |
3691 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3692 | .join_mesh = ieee80211_join_mesh, |
3693 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3694 | #endif |
9f1ba906 | 3695 | .change_bss = ieee80211_change_bss, |
31888487 | 3696 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3697 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3698 | .suspend = ieee80211_suspend, |
3699 | .resume = ieee80211_resume, | |
2a519311 | 3700 | .scan = ieee80211_scan, |
79f460ca LC |
3701 | .sched_scan_start = ieee80211_sched_scan_start, |
3702 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3703 | .auth = ieee80211_auth, |
3704 | .assoc = ieee80211_assoc, | |
3705 | .deauth = ieee80211_deauth, | |
3706 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3707 | .join_ibss = ieee80211_join_ibss, |
3708 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3709 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3710 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3711 | .set_tx_power = ieee80211_set_tx_power, |
3712 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3713 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3714 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3715 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3716 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3717 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3718 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3719 | .remain_on_channel = ieee80211_remain_on_channel, |
3720 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3721 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3722 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3723 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3724 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3725 | .set_antenna = ieee80211_set_antenna, |
3726 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3727 | .set_ringparam = ieee80211_set_ringparam, |
3728 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3729 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3730 | .tdls_oper = ieee80211_tdls_oper, |
3731 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3732 | .probe_client = ieee80211_probe_client, |
b53be792 | 3733 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3734 | #ifdef CONFIG_PM |
3735 | .set_wakeup = ieee80211_set_wakeup, | |
3736 | #endif | |
b1ab7925 BG |
3737 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3738 | .get_et_stats = ieee80211_get_et_stats, | |
3739 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3740 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3741 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3742 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3743 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3744 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
f0706e82 | 3745 | }; |