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 | 471 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 472 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 473 | { |
3b53fde8 | 474 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 475 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 476 | struct sta_info *sta; |
d0709a65 JB |
477 | int ret = -ENOENT; |
478 | ||
66572cfc | 479 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 480 | |
3b53fde8 | 481 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
482 | if (sta) { |
483 | ret = 0; | |
17741cdc | 484 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
485 | sta_set_sinfo(sta, sinfo); |
486 | } | |
c5dd9c2b | 487 | |
66572cfc | 488 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 489 | |
d0709a65 | 490 | return ret; |
c5dd9c2b LCC |
491 | } |
492 | ||
1289723e HS |
493 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
494 | int idx, struct survey_info *survey) | |
495 | { | |
496 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
497 | ||
1289723e HS |
498 | return drv_get_survey(local, idx, survey); |
499 | } | |
500 | ||
7bbdd2d9 | 501 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 502 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 503 | { |
abe60632 | 504 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 505 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 506 | struct sta_info *sta; |
d0709a65 | 507 | int ret = -ENOENT; |
7bbdd2d9 | 508 | |
66572cfc | 509 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 510 | |
0e5ded5a | 511 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
512 | if (sta) { |
513 | ret = 0; | |
514 | sta_set_sinfo(sta, sinfo); | |
515 | } | |
516 | ||
66572cfc | 517 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
518 | |
519 | return ret; | |
7bbdd2d9 JB |
520 | } |
521 | ||
55de908a | 522 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 523 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
524 | { |
525 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
526 | struct ieee80211_sub_if_data *sdata; |
527 | int ret = 0; | |
3d9e6e12 | 528 | |
4bf88530 | 529 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 530 | return 0; |
3d9e6e12 | 531 | |
34a3740d | 532 | mutex_lock(&local->mtx); |
55de908a JB |
533 | mutex_lock(&local->iflist_mtx); |
534 | if (local->use_chanctx) { | |
535 | sdata = rcu_dereference_protected( | |
536 | local->monitor_sdata, | |
537 | lockdep_is_held(&local->iflist_mtx)); | |
538 | if (sdata) { | |
539 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 540 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
541 | IEEE80211_CHANCTX_EXCLUSIVE); |
542 | } | |
543 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 544 | local->_oper_chandef = *chandef; |
55de908a JB |
545 | ieee80211_hw_config(local, 0); |
546 | } | |
3d9e6e12 | 547 | |
4bf88530 JB |
548 | if (ret == 0) |
549 | local->monitor_chandef = *chandef; | |
55de908a | 550 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 551 | mutex_unlock(&local->mtx); |
3d9e6e12 | 552 | |
55de908a | 553 | return ret; |
e8c9bd5b JB |
554 | } |
555 | ||
02945821 | 556 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
557 | const u8 *resp, size_t resp_len, |
558 | const struct ieee80211_csa_settings *csa) | |
02945821 | 559 | { |
aa7a0080 | 560 | struct probe_resp *new, *old; |
02945821 AN |
561 | |
562 | if (!resp || !resp_len) | |
aba4e6ff | 563 | return 1; |
02945821 | 564 | |
7ca133bc | 565 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 566 | |
aa7a0080 | 567 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
568 | if (!new) |
569 | return -ENOMEM; | |
570 | ||
aa7a0080 ES |
571 | new->len = resp_len; |
572 | memcpy(new->data, resp, resp_len); | |
02945821 | 573 | |
af296bdb MK |
574 | if (csa) |
575 | memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, | |
576 | csa->n_counter_offsets_presp * | |
577 | sizeof(new->csa_counter_offsets[0])); | |
578 | ||
02945821 | 579 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); |
aa7a0080 ES |
580 | if (old) |
581 | kfree_rcu(old, rcu_head); | |
02945821 AN |
582 | |
583 | return 0; | |
584 | } | |
585 | ||
0ae07968 | 586 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
af296bdb MK |
587 | struct cfg80211_beacon_data *params, |
588 | const struct ieee80211_csa_settings *csa) | |
5dfdaf58 JB |
589 | { |
590 | struct beacon_data *new, *old; | |
591 | int new_head_len, new_tail_len; | |
8860020e JB |
592 | int size, err; |
593 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 594 | |
7ca133bc SW |
595 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
596 | ||
5dfdaf58 | 597 | |
5dfdaf58 JB |
598 | /* Need to have a beacon head if we don't have one yet */ |
599 | if (!params->head && !old) | |
8860020e | 600 | return -EINVAL; |
5dfdaf58 JB |
601 | |
602 | /* new or old head? */ | |
603 | if (params->head) | |
604 | new_head_len = params->head_len; | |
605 | else | |
606 | new_head_len = old->head_len; | |
607 | ||
608 | /* new or old tail? */ | |
609 | if (params->tail || !old) | |
610 | /* params->tail_len will be zero for !params->tail */ | |
611 | new_tail_len = params->tail_len; | |
612 | else | |
613 | new_tail_len = old->tail_len; | |
614 | ||
615 | size = sizeof(*new) + new_head_len + new_tail_len; | |
616 | ||
617 | new = kzalloc(size, GFP_KERNEL); | |
618 | if (!new) | |
619 | return -ENOMEM; | |
620 | ||
621 | /* start filling the new info now */ | |
622 | ||
5dfdaf58 JB |
623 | /* |
624 | * pointers go into the block we allocated, | |
625 | * memory is | beacon_data | head | tail | | |
626 | */ | |
627 | new->head = ((u8 *) new) + sizeof(*new); | |
628 | new->tail = new->head + new_head_len; | |
629 | new->head_len = new_head_len; | |
630 | new->tail_len = new_tail_len; | |
631 | ||
af296bdb MK |
632 | if (csa) { |
633 | new->csa_current_counter = csa->count; | |
634 | memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, | |
635 | csa->n_counter_offsets_beacon * | |
636 | sizeof(new->csa_counter_offsets[0])); | |
637 | } | |
638 | ||
5dfdaf58 JB |
639 | /* copy in head */ |
640 | if (params->head) | |
641 | memcpy(new->head, params->head, new_head_len); | |
642 | else | |
643 | memcpy(new->head, old->head, new_head_len); | |
644 | ||
645 | /* copy in optional tail */ | |
646 | if (params->tail) | |
647 | memcpy(new->tail, params->tail, new_tail_len); | |
648 | else | |
649 | if (old) | |
650 | memcpy(new->tail, old->tail, new_tail_len); | |
651 | ||
02945821 | 652 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
af296bdb | 653 | params->probe_resp_len, csa); |
8860020e JB |
654 | if (err < 0) |
655 | return err; | |
656 | if (err == 0) | |
02945821 AN |
657 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
658 | ||
8860020e JB |
659 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
660 | ||
661 | if (old) | |
662 | kfree_rcu(old, rcu_head); | |
7827493b | 663 | |
8860020e | 664 | return changed; |
5dfdaf58 JB |
665 | } |
666 | ||
8860020e JB |
667 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
668 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 669 | { |
8860020e | 670 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 671 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 672 | struct beacon_data *old; |
665c93a9 | 673 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
674 | u32 changed = BSS_CHANGED_BEACON_INT | |
675 | BSS_CHANGED_BEACON_ENABLED | | |
676 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
677 | BSS_CHANGED_SSID | |
678 | BSS_CHANGED_P2P_PS; | |
8860020e | 679 | int err; |
14db74bc | 680 | |
7ca133bc | 681 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
682 | if (old) |
683 | return -EALREADY; | |
684 | ||
04ecd257 JB |
685 | /* TODO: make hostapd tell us what it wants */ |
686 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
687 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
688 | ||
34a3740d | 689 | mutex_lock(&local->mtx); |
4bf88530 | 690 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 691 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
692 | if (!err) |
693 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 694 | mutex_unlock(&local->mtx); |
aa430da4 JB |
695 | if (err) |
696 | return err; | |
697 | ||
665c93a9 JB |
698 | /* |
699 | * Apply control port protocol, this allows us to | |
700 | * not encrypt dynamic WEP control frames. | |
701 | */ | |
702 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
703 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
704 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
705 | ¶ms->crypto, | |
706 | sdata->vif.type); | |
707 | ||
665c93a9 JB |
708 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
709 | vlan->control_port_protocol = | |
710 | params->crypto.control_port_ethertype; | |
711 | vlan->control_port_no_encrypt = | |
712 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
713 | vlan->encrypt_headroom = |
714 | ieee80211_cs_headroom(sdata->local, | |
715 | ¶ms->crypto, | |
716 | vlan->vif.type); | |
665c93a9 JB |
717 | } |
718 | ||
8860020e JB |
719 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
720 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 721 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
722 | |
723 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
724 | if (params->ssid_len) | |
725 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
726 | params->ssid_len); | |
727 | sdata->vif.bss_conf.hidden_ssid = | |
728 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
729 | ||
67baf663 JD |
730 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
731 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
732 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
733 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
734 | if (params->p2p_opp_ps) | |
735 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
736 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 737 | |
af296bdb | 738 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); |
0297ea17 EG |
739 | if (err < 0) { |
740 | ieee80211_vif_release_channel(sdata); | |
8860020e | 741 | return err; |
0297ea17 | 742 | } |
8860020e JB |
743 | changed |= err; |
744 | ||
1041638f JB |
745 | err = drv_start_ap(sdata->local, sdata); |
746 | if (err) { | |
7ca133bc SW |
747 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
748 | ||
1041638f JB |
749 | if (old) |
750 | kfree_rcu(old, rcu_head); | |
751 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 752 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
753 | return err; |
754 | } | |
755 | ||
057d5f4b | 756 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
757 | ieee80211_bss_info_change_notify(sdata, changed); |
758 | ||
3edaf3e6 JB |
759 | netif_carrier_on(dev); |
760 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
761 | netif_carrier_on(vlan->dev); | |
762 | ||
665c93a9 | 763 | return 0; |
5dfdaf58 JB |
764 | } |
765 | ||
8860020e JB |
766 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
767 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 768 | { |
14db74bc | 769 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 770 | struct beacon_data *old; |
8860020e | 771 | int err; |
5dfdaf58 | 772 | |
14db74bc | 773 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 774 | sdata_assert_lock(sdata); |
14db74bc | 775 | |
73da7d5b SW |
776 | /* don't allow changing the beacon while CSA is in place - offset |
777 | * of channel switch counter may change | |
778 | */ | |
779 | if (sdata->vif.csa_active) | |
780 | return -EBUSY; | |
781 | ||
7ca133bc | 782 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
783 | if (!old) |
784 | return -ENOENT; | |
785 | ||
af296bdb | 786 | err = ieee80211_assign_beacon(sdata, params, NULL); |
8860020e JB |
787 | if (err < 0) |
788 | return err; | |
789 | ieee80211_bss_info_change_notify(sdata, err); | |
790 | return 0; | |
5dfdaf58 JB |
791 | } |
792 | ||
8860020e | 793 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 794 | { |
7b20b8e8 JB |
795 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
796 | struct ieee80211_sub_if_data *vlan; | |
797 | struct ieee80211_local *local = sdata->local; | |
798 | struct beacon_data *old_beacon; | |
799 | struct probe_resp *old_probe_resp; | |
d2859df5 | 800 | struct cfg80211_chan_def chandef; |
14db74bc | 801 | |
dbd72850 MK |
802 | sdata_assert_lock(sdata); |
803 | ||
7ca133bc | 804 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 805 | if (!old_beacon) |
5dfdaf58 | 806 | return -ENOENT; |
7ca133bc | 807 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 808 | |
73da7d5b | 809 | /* abort any running channel switch */ |
59af6928 | 810 | mutex_lock(&local->mtx); |
73da7d5b | 811 | sdata->vif.csa_active = false; |
a46992b4 LC |
812 | if (sdata->csa_block_tx) { |
813 | ieee80211_wake_vif_queues(local, sdata, | |
814 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
815 | sdata->csa_block_tx = false; | |
816 | } | |
817 | ||
59af6928 MK |
818 | mutex_unlock(&local->mtx); |
819 | ||
1f3b8a2b SW |
820 | kfree(sdata->u.ap.next_beacon); |
821 | sdata->u.ap.next_beacon = NULL; | |
822 | ||
7b20b8e8 | 823 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
824 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
825 | netif_carrier_off(vlan->dev); | |
826 | netif_carrier_off(dev); | |
827 | ||
7b20b8e8 | 828 | /* remove beacon and probe response */ |
a9b3cd7f | 829 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
830 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
831 | kfree_rcu(old_beacon, rcu_head); | |
832 | if (old_probe_resp) | |
833 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 834 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 835 | |
e716251d | 836 | __sta_info_flush(sdata, true); |
7907c7d3 | 837 | ieee80211_free_keys(sdata, true); |
75de9113 | 838 | |
d6a83228 | 839 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 840 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 841 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 842 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 843 | |
a6b368f6 | 844 | if (sdata->wdev.cac_started) { |
d2859df5 | 845 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 846 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
847 | cfg80211_cac_event(sdata->dev, &chandef, |
848 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
849 | GFP_KERNEL); |
850 | } | |
851 | ||
1041638f JB |
852 | drv_stop_ap(sdata->local, sdata); |
853 | ||
7b20b8e8 JB |
854 | /* free all potentially still buffered bcast frames */ |
855 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
856 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
857 | ||
34a3740d | 858 | mutex_lock(&local->mtx); |
4e141dad | 859 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 860 | ieee80211_vif_release_channel(sdata); |
34a3740d | 861 | mutex_unlock(&local->mtx); |
55de908a | 862 | |
2d0ddec5 | 863 | return 0; |
5dfdaf58 JB |
864 | } |
865 | ||
4fd6931e JB |
866 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
867 | struct iapp_layer2_update { | |
868 | u8 da[ETH_ALEN]; /* broadcast */ | |
869 | u8 sa[ETH_ALEN]; /* STA addr */ | |
870 | __be16 len; /* 6 */ | |
871 | u8 dsap; /* 0 */ | |
872 | u8 ssap; /* 0 */ | |
873 | u8 control; | |
874 | u8 xid_info[3]; | |
bc10502d | 875 | } __packed; |
4fd6931e JB |
876 | |
877 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
878 | { | |
879 | struct iapp_layer2_update *msg; | |
880 | struct sk_buff *skb; | |
881 | ||
882 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
883 | * bridge devices */ | |
884 | ||
885 | skb = dev_alloc_skb(sizeof(*msg)); | |
886 | if (!skb) | |
887 | return; | |
888 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
889 | ||
890 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
891 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
892 | ||
e83e6541 | 893 | eth_broadcast_addr(msg->da); |
17741cdc | 894 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
895 | msg->len = htons(6); |
896 | msg->dsap = 0; | |
897 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
898 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
899 | * F=0 (no poll command; unsolicited frame) */ | |
900 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
901 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
902 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
903 | ||
d0709a65 JB |
904 | skb->dev = sta->sdata->dev; |
905 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 906 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 907 | netif_rx_ni(skb); |
4fd6931e JB |
908 | } |
909 | ||
d582cffb JB |
910 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
911 | struct sta_info *sta, | |
912 | u32 mask, u32 set) | |
913 | { | |
914 | int ret; | |
915 | ||
916 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
917 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
918 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
919 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
920 | if (ret) | |
921 | return ret; | |
922 | } | |
923 | ||
924 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
925 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
926 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
927 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
928 | if (ret) | |
929 | return ret; | |
930 | } | |
931 | ||
932 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
933 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
934 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
935 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
936 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
937 | else | |
938 | ret = 0; | |
939 | if (ret) | |
940 | return ret; | |
941 | } | |
942 | ||
943 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
944 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
945 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
946 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
947 | if (ret) | |
948 | return ret; | |
949 | } | |
950 | ||
951 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
952 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
953 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
954 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
955 | if (ret) | |
956 | return ret; | |
957 | } | |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
d9a7ddb0 JB |
962 | static int sta_apply_parameters(struct ieee80211_local *local, |
963 | struct sta_info *sta, | |
964 | struct station_parameters *params) | |
4fd6931e | 965 | { |
d9a7ddb0 | 966 | int ret = 0; |
8318d78a | 967 | struct ieee80211_supported_band *sband; |
d0709a65 | 968 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 969 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 970 | u32 mask, set; |
4fd6931e | 971 | |
55de908a | 972 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 973 | |
eccb8e8f JB |
974 | mask = params->sta_flags_mask; |
975 | set = params->sta_flags_set; | |
73651ee6 | 976 | |
d582cffb JB |
977 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
978 | /* | |
979 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
980 | * API but must follow AUTHENTICATED for driver state. | |
981 | */ | |
982 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
983 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
984 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
985 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
986 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
987 | /* | |
988 | * TDLS -- everything follows authorized, but | |
989 | * only becoming authorized is possible, not | |
990 | * going back | |
991 | */ | |
992 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
993 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
994 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
995 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
996 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
997 | } | |
eccb8e8f | 998 | } |
4fd6931e | 999 | |
d582cffb JB |
1000 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1001 | if (ret) | |
1002 | return ret; | |
d9a7ddb0 | 1003 | |
eccb8e8f | 1004 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1005 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1006 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1007 | else | |
1008 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1009 | } |
4fd6931e | 1010 | |
eccb8e8f | 1011 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1012 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1013 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1014 | sta->sta.wme = true; |
c2c98fde JB |
1015 | } else { |
1016 | clear_sta_flag(sta, WLAN_STA_WME); | |
1017 | sta->sta.wme = false; | |
39df600a | 1018 | } |
eccb8e8f | 1019 | } |
5394af4d | 1020 | |
eccb8e8f | 1021 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1022 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1023 | set_sta_flag(sta, WLAN_STA_MFP); |
1024 | else | |
1025 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1026 | } |
b39c48fa | 1027 | |
07ba55d7 | 1028 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1029 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1030 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1031 | else | |
1032 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1033 | } |
4fd6931e | 1034 | |
3b9ce80c JB |
1035 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1036 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1037 | sta->sta.max_sp = params->max_sp; | |
1038 | } | |
9533b4ac | 1039 | |
51b50fbe JB |
1040 | /* |
1041 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1042 | * only when creating a new station entry | |
1043 | */ | |
1044 | if (params->aid) | |
1045 | sta->sta.aid = params->aid; | |
1046 | ||
73651ee6 | 1047 | /* |
ba23d206 JB |
1048 | * Some of the following updates would be racy if called on an |
1049 | * existing station, via ieee80211_change_station(). However, | |
1050 | * all such changes are rejected by cfg80211 except for updates | |
1051 | * changing the supported rates on an existing but not yet used | |
1052 | * TDLS peer. | |
73651ee6 JB |
1053 | */ |
1054 | ||
4fd6931e JB |
1055 | if (params->listen_interval >= 0) |
1056 | sta->listen_interval = params->listen_interval; | |
1057 | ||
1058 | if (params->supported_rates) { | |
2103dec1 SW |
1059 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1060 | sband, params->supported_rates, | |
1061 | params->supported_rates_len, | |
1062 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1063 | } |
c5dd9c2b | 1064 | |
d9fe60de | 1065 | if (params->ht_capa) |
ef96a842 | 1066 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1067 | params->ht_capa, sta); |
36aedc90 | 1068 | |
f461be3e MP |
1069 | if (params->vht_capa) |
1070 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1071 | params->vht_capa, sta); |
f461be3e | 1072 | |
b1bce14a | 1073 | if (params->opmode_notif_used) { |
b1bce14a MK |
1074 | /* returned value is only needed for rc update, but the |
1075 | * rc isn't initialized here yet, so ignore it | |
1076 | */ | |
1077 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1078 | params->opmode_notif, | |
1079 | band, false); | |
1080 | } | |
1081 | ||
9c3990aa | 1082 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1083 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1084 | u32 changed = 0; |
77ee7c89 JB |
1085 | |
1086 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1087 | switch (params->plink_state) { |
57cf8043 | 1088 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1089 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1090 | changed = mesh_plink_inc_estab_count( | |
1091 | sdata); | |
1092 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1093 | |
1094 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1095 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1096 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1097 | break; |
1098 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1099 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1100 | case NL80211_PLINK_OPN_SNT: |
1101 | case NL80211_PLINK_OPN_RCVD: | |
1102 | case NL80211_PLINK_CNF_RCVD: | |
1103 | case NL80211_PLINK_HOLDING: | |
1104 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1105 | changed = mesh_plink_dec_estab_count( | |
1106 | sdata); | |
9c3990aa | 1107 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1108 | |
1109 | ieee80211_mps_sta_status_update(sta); | |
446075d7 MP |
1110 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1111 | NL80211_MESH_POWER_UNKNOWN); | |
9c3990aa JC |
1112 | break; |
1113 | default: | |
1114 | /* nothing */ | |
1115 | break; | |
1116 | } | |
77ee7c89 JB |
1117 | } |
1118 | ||
1119 | switch (params->plink_action) { | |
1120 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1121 | /* nothing */ | |
1122 | break; | |
1123 | case NL80211_PLINK_ACTION_OPEN: | |
1124 | changed |= mesh_plink_open(sta); | |
1125 | break; | |
1126 | case NL80211_PLINK_ACTION_BLOCK: | |
1127 | changed |= mesh_plink_block(sta); | |
1128 | break; | |
1617bab8 | 1129 | } |
3f52b7e3 MP |
1130 | |
1131 | if (params->local_pm) | |
39886b61 TP |
1132 | changed |= |
1133 | ieee80211_mps_set_sta_local_pm(sta, | |
1134 | params->local_pm); | |
6c751ef8 | 1135 | ieee80211_mbss_info_change_notify(sdata, changed); |
4daf50f2 | 1136 | #endif |
902acc78 | 1137 | } |
d9a7ddb0 JB |
1138 | |
1139 | return 0; | |
4fd6931e JB |
1140 | } |
1141 | ||
1142 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1143 | const u8 *mac, |
1144 | struct station_parameters *params) | |
4fd6931e | 1145 | { |
14db74bc | 1146 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1147 | struct sta_info *sta; |
1148 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1149 | int err; |
b8d476c8 | 1150 | int layer2_update; |
4fd6931e | 1151 | |
4fd6931e JB |
1152 | if (params->vlan) { |
1153 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1154 | ||
05c914fe JB |
1155 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1156 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1157 | return -EINVAL; |
1158 | } else | |
1159 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1160 | ||
b203ca39 | 1161 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1162 | return -EINVAL; |
1163 | ||
1164 | if (is_multicast_ether_addr(mac)) | |
1165 | return -EINVAL; | |
1166 | ||
1167 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1168 | if (!sta) |
1169 | return -ENOMEM; | |
4fd6931e | 1170 | |
d582cffb JB |
1171 | /* |
1172 | * defaults -- if userspace wants something else we'll | |
1173 | * change it accordingly in sta_apply_parameters() | |
1174 | */ | |
77ee7c89 JB |
1175 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1176 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1177 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
0c4972cc AN |
1178 | } else { |
1179 | sta->sta.tdls = true; | |
77ee7c89 | 1180 | } |
4fd6931e | 1181 | |
d9a7ddb0 JB |
1182 | err = sta_apply_parameters(local, sta, params); |
1183 | if (err) { | |
1184 | sta_info_free(local, sta); | |
1185 | return err; | |
1186 | } | |
4fd6931e | 1187 | |
d64cf63e | 1188 | /* |
77ee7c89 JB |
1189 | * for TDLS, rate control should be initialized only when |
1190 | * rates are known and station is marked authorized | |
d64cf63e AN |
1191 | */ |
1192 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1193 | rate_control_rate_init(sta); | |
4fd6931e | 1194 | |
b8d476c8 JM |
1195 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1196 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1197 | ||
34e89507 | 1198 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1199 | if (err) { |
73651ee6 JB |
1200 | rcu_read_unlock(); |
1201 | return err; | |
1202 | } | |
1203 | ||
b8d476c8 | 1204 | if (layer2_update) |
73651ee6 JB |
1205 | ieee80211_send_layer2_update(sta); |
1206 | ||
1207 | rcu_read_unlock(); | |
1208 | ||
4fd6931e JB |
1209 | return 0; |
1210 | } | |
1211 | ||
1212 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1213 | const u8 *mac) |
4fd6931e | 1214 | { |
14db74bc | 1215 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1216 | |
14db74bc JB |
1217 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1218 | ||
34e89507 JB |
1219 | if (mac) |
1220 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1221 | |
b998e8bb | 1222 | sta_info_flush(sdata); |
4fd6931e JB |
1223 | return 0; |
1224 | } | |
1225 | ||
1226 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1227 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1228 | struct station_parameters *params) |
1229 | { | |
abe60632 | 1230 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1231 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1232 | struct sta_info *sta; |
1233 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1234 | enum cfg80211_station_type statype; |
35b88623 | 1235 | int err; |
4fd6931e | 1236 | |
87be1e1e | 1237 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1238 | |
0e5ded5a | 1239 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1240 | if (!sta) { |
77ee7c89 JB |
1241 | err = -ENOENT; |
1242 | goto out_err; | |
98dd6a57 | 1243 | } |
4fd6931e | 1244 | |
77ee7c89 JB |
1245 | switch (sdata->vif.type) { |
1246 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1247 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1248 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1249 | else |
eef941e6 | 1250 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1251 | break; |
1252 | case NL80211_IFTYPE_ADHOC: | |
1253 | statype = CFG80211_STA_IBSS; | |
1254 | break; | |
1255 | case NL80211_IFTYPE_STATION: | |
1256 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1257 | statype = CFG80211_STA_AP_STA; | |
1258 | break; | |
1259 | } | |
1260 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1261 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1262 | else | |
1263 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1264 | break; | |
1265 | case NL80211_IFTYPE_AP: | |
1266 | case NL80211_IFTYPE_AP_VLAN: | |
1267 | statype = CFG80211_STA_AP_CLIENT; | |
1268 | break; | |
1269 | default: | |
1270 | err = -EOPNOTSUPP; | |
1271 | goto out_err; | |
bdd90d5e JB |
1272 | } |
1273 | ||
77ee7c89 JB |
1274 | err = cfg80211_check_station_change(wiphy, params, statype); |
1275 | if (err) | |
1276 | goto out_err; | |
1277 | ||
d0709a65 | 1278 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1279 | bool prev_4addr = false; |
1280 | bool new_4addr = false; | |
1281 | ||
4fd6931e JB |
1282 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1283 | ||
9bc383de | 1284 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1285 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1286 | err = -EBUSY; |
1287 | goto out_err; | |
3305443c | 1288 | } |
f14543ee | 1289 | |
cf778b00 | 1290 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1291 | new_4addr = true; |
1292 | } | |
1293 | ||
1294 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1295 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1296 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1297 | prev_4addr = true; |
f14543ee FF |
1298 | } |
1299 | ||
14db74bc | 1300 | sta->sdata = vlansdata; |
7e3ed02c FF |
1301 | |
1302 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1303 | prev_4addr != new_4addr) { | |
1304 | if (new_4addr) | |
1305 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1306 | else | |
1307 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1308 | } | |
1309 | ||
4fd6931e JB |
1310 | ieee80211_send_layer2_update(sta); |
1311 | } | |
1312 | ||
35b88623 | 1313 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1314 | if (err) |
1315 | goto out_err; | |
4fd6931e | 1316 | |
77ee7c89 JB |
1317 | /* When peer becomes authorized, init rate control as well */ |
1318 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1319 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1320 | rate_control_rate_init(sta); |
1321 | ||
87be1e1e | 1322 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1323 | |
687da132 EG |
1324 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1325 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1326 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1327 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1328 | sta_info_tx_streams(sta) != 1) { | |
1329 | ht_dbg(sta->sdata, | |
1330 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1331 | sta->sta.addr); | |
1332 | ieee80211_send_smps_action(sta->sdata, | |
1333 | sta->sdata->bss->req_smps, | |
1334 | sta->sta.addr, | |
1335 | sta->sdata->vif.bss_conf.bssid); | |
1336 | } | |
1337 | ||
808118cb | 1338 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1339 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1340 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1341 | ieee80211_recalc_ps_vif(sdata); |
1342 | } | |
77ee7c89 | 1343 | |
4fd6931e | 1344 | return 0; |
77ee7c89 JB |
1345 | out_err: |
1346 | mutex_unlock(&local->sta_mtx); | |
1347 | return err; | |
4fd6931e JB |
1348 | } |
1349 | ||
c5dd9c2b LCC |
1350 | #ifdef CONFIG_MAC80211_MESH |
1351 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1352 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1353 | { |
14db74bc | 1354 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1355 | struct mesh_path *mpath; |
1356 | struct sta_info *sta; | |
c5dd9c2b | 1357 | |
14db74bc JB |
1358 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1359 | ||
d0709a65 | 1360 | rcu_read_lock(); |
abe60632 | 1361 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1362 | if (!sta) { |
1363 | rcu_read_unlock(); | |
c5dd9c2b | 1364 | return -ENOENT; |
d0709a65 | 1365 | } |
c5dd9c2b | 1366 | |
ae76eef0 BC |
1367 | mpath = mesh_path_add(sdata, dst); |
1368 | if (IS_ERR(mpath)) { | |
d0709a65 | 1369 | rcu_read_unlock(); |
ae76eef0 | 1370 | return PTR_ERR(mpath); |
d0709a65 | 1371 | } |
c5dd9c2b | 1372 | |
c5dd9c2b | 1373 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1374 | |
c5dd9c2b LCC |
1375 | rcu_read_unlock(); |
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1380 | const u8 *dst) |
c5dd9c2b | 1381 | { |
f698d856 JBG |
1382 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1383 | ||
c5dd9c2b | 1384 | if (dst) |
bf7cd94d | 1385 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1386 | |
ece1a2e7 | 1387 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1388 | return 0; |
1389 | } | |
1390 | ||
3b3a0162 JB |
1391 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1392 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1393 | { |
14db74bc | 1394 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1395 | struct mesh_path *mpath; |
1396 | struct sta_info *sta; | |
1397 | ||
14db74bc JB |
1398 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1399 | ||
d0709a65 JB |
1400 | rcu_read_lock(); |
1401 | ||
abe60632 | 1402 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1403 | if (!sta) { |
1404 | rcu_read_unlock(); | |
c5dd9c2b | 1405 | return -ENOENT; |
d0709a65 | 1406 | } |
c5dd9c2b | 1407 | |
bf7cd94d | 1408 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1409 | if (!mpath) { |
1410 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1411 | return -ENOENT; |
1412 | } | |
1413 | ||
1414 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1415 | |
c5dd9c2b LCC |
1416 | rcu_read_unlock(); |
1417 | return 0; | |
1418 | } | |
1419 | ||
1420 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1421 | struct mpath_info *pinfo) | |
1422 | { | |
a3836e02 JB |
1423 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1424 | ||
1425 | if (next_hop_sta) | |
1426 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1427 | else |
1428 | memset(next_hop, 0, ETH_ALEN); | |
1429 | ||
7ce8c7a3 LAYS |
1430 | memset(pinfo, 0, sizeof(*pinfo)); |
1431 | ||
f5ea9120 JB |
1432 | pinfo->generation = mesh_paths_generation; |
1433 | ||
c5dd9c2b | 1434 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1435 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1436 | MPATH_INFO_METRIC | |
1437 | MPATH_INFO_EXPTIME | | |
1438 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1439 | MPATH_INFO_DISCOVERY_RETRIES | | |
1440 | MPATH_INFO_FLAGS; | |
1441 | ||
1442 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1443 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1444 | pinfo->metric = mpath->metric; |
1445 | if (time_before(jiffies, mpath->exp_time)) | |
1446 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1447 | pinfo->discovery_timeout = | |
1448 | jiffies_to_msecs(mpath->discovery_timeout); | |
1449 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1450 | if (mpath->flags & MESH_PATH_ACTIVE) |
1451 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1452 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1453 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1454 | if (mpath->flags & MESH_PATH_SN_VALID) |
1455 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1456 | if (mpath->flags & MESH_PATH_FIXED) |
1457 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1458 | if (mpath->flags & MESH_PATH_RESOLVED) |
1459 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1460 | } |
1461 | ||
1462 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1463 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1464 | ||
1465 | { | |
14db74bc | 1466 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1467 | struct mesh_path *mpath; |
1468 | ||
14db74bc JB |
1469 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1470 | ||
c5dd9c2b | 1471 | rcu_read_lock(); |
bf7cd94d | 1472 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1473 | if (!mpath) { |
1474 | rcu_read_unlock(); | |
1475 | return -ENOENT; | |
1476 | } | |
1477 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1478 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1479 | rcu_read_unlock(); | |
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1484 | int idx, u8 *dst, u8 *next_hop, |
1485 | struct mpath_info *pinfo) | |
c5dd9c2b | 1486 | { |
14db74bc | 1487 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1488 | struct mesh_path *mpath; |
1489 | ||
14db74bc JB |
1490 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1491 | ||
c5dd9c2b | 1492 | rcu_read_lock(); |
bf7cd94d | 1493 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1494 | if (!mpath) { |
1495 | rcu_read_unlock(); | |
1496 | return -ENOENT; | |
1497 | } | |
1498 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1499 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1500 | rcu_read_unlock(); | |
1501 | return 0; | |
1502 | } | |
93da9cc1 | 1503 | |
24bdd9f4 | 1504 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1505 | struct net_device *dev, |
1506 | struct mesh_config *conf) | |
1507 | { | |
1508 | struct ieee80211_sub_if_data *sdata; | |
1509 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1510 | ||
93da9cc1 | 1511 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1516 | { | |
1517 | return (mask >> (parm-1)) & 0x1; | |
1518 | } | |
1519 | ||
c80d545d JC |
1520 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1521 | const struct mesh_setup *setup) | |
1522 | { | |
1523 | u8 *new_ie; | |
1524 | const u8 *old_ie; | |
4bb62344 CYY |
1525 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1526 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1527 | |
581a8b0f | 1528 | /* allocate information elements */ |
c80d545d | 1529 | new_ie = NULL; |
581a8b0f | 1530 | old_ie = ifmsh->ie; |
c80d545d | 1531 | |
581a8b0f JC |
1532 | if (setup->ie_len) { |
1533 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1534 | GFP_KERNEL); |
1535 | if (!new_ie) | |
1536 | return -ENOMEM; | |
1537 | } | |
581a8b0f JC |
1538 | ifmsh->ie_len = setup->ie_len; |
1539 | ifmsh->ie = new_ie; | |
1540 | kfree(old_ie); | |
c80d545d JC |
1541 | |
1542 | /* now copy the rest of the setup parameters */ | |
1543 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1544 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1545 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1546 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1547 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1548 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1549 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1550 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1551 | if (setup->is_authenticated) | |
1552 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1553 | if (setup->is_secure) | |
1554 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1555 | |
4bb62344 CYY |
1556 | /* mcast rate setting in Mesh Node */ |
1557 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1558 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1559 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1560 | |
9bdbf04d MP |
1561 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1562 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1563 | ||
c80d545d JC |
1564 | return 0; |
1565 | } | |
1566 | ||
24bdd9f4 | 1567 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1568 | struct net_device *dev, u32 mask, |
1569 | const struct mesh_config *nconf) | |
93da9cc1 | 1570 | { |
1571 | struct mesh_config *conf; | |
1572 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1573 | struct ieee80211_if_mesh *ifmsh; |
1574 | ||
93da9cc1 | 1575 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1576 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1577 | |
93da9cc1 | 1578 | /* Set the config options which we are interested in setting */ |
1579 | conf = &(sdata->u.mesh.mshcfg); | |
1580 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1581 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1582 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1583 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1584 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1585 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1586 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1587 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1588 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1589 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1590 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1591 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1592 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1593 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1594 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1595 | if (ifmsh->user_mpm) | |
1596 | return -EBUSY; | |
93da9cc1 | 1597 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1598 | } |
d299a1f2 JC |
1599 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1600 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1601 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1602 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1603 | conf->dot11MeshHWMPmaxPREQretries = | |
1604 | nconf->dot11MeshHWMPmaxPREQretries; | |
1605 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1606 | conf->path_refresh_time = nconf->path_refresh_time; | |
1607 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1608 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1609 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1610 | conf->dot11MeshHWMPactivePathTimeout = | |
1611 | nconf->dot11MeshHWMPactivePathTimeout; | |
1612 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1613 | conf->dot11MeshHWMPpreqMinInterval = | |
1614 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1615 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1616 | conf->dot11MeshHWMPperrMinInterval = | |
1617 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1618 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1619 | mask)) | |
1620 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1621 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1622 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1623 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1624 | ieee80211_mesh_root_setup(ifmsh); | |
1625 | } | |
16dd7267 | 1626 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1627 | /* our current gate announcement implementation rides on root |
1628 | * announcements, so require this ifmsh to also be a root node | |
1629 | * */ | |
1630 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1631 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1632 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1633 | ieee80211_mesh_root_setup(ifmsh); |
1634 | } | |
16dd7267 JC |
1635 | conf->dot11MeshGateAnnouncementProtocol = |
1636 | nconf->dot11MeshGateAnnouncementProtocol; | |
1637 | } | |
a4f606ea | 1638 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1639 | conf->dot11MeshHWMPRannInterval = |
1640 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1641 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1642 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1643 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1644 | /* our RSSI threshold implementation is supported only for | |
1645 | * devices that report signal in dBm. | |
1646 | */ | |
1647 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1648 | return -ENOTSUPP; | |
1649 | conf->rssi_threshold = nconf->rssi_threshold; | |
1650 | } | |
70c33eaa AN |
1651 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1652 | conf->ht_opmode = nconf->ht_opmode; | |
1653 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1654 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1655 | } | |
ac1073a6 CYY |
1656 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1657 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1658 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1659 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1660 | conf->dot11MeshHWMProotInterval = | |
1661 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1662 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1663 | conf->dot11MeshHWMPconfirmationInterval = | |
1664 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1665 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1666 | conf->power_mode = nconf->power_mode; | |
1667 | ieee80211_mps_local_status_update(sdata); | |
1668 | } | |
2b5e1967 | 1669 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1670 | conf->dot11MeshAwakeWindowDuration = |
1671 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1672 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1673 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1674 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1675 | return 0; |
1676 | } | |
1677 | ||
29cbe68c JB |
1678 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1679 | const struct mesh_config *conf, | |
1680 | const struct mesh_setup *setup) | |
1681 | { | |
1682 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1683 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1684 | int err; |
29cbe68c | 1685 | |
c80d545d JC |
1686 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1687 | err = copy_mesh_setup(ifmsh, setup); | |
1688 | if (err) | |
1689 | return err; | |
cc1d2806 | 1690 | |
04ecd257 JB |
1691 | /* can mesh use other SMPS modes? */ |
1692 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1693 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1694 | ||
34a3740d | 1695 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 1696 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1697 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 1698 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
1699 | if (err) |
1700 | return err; | |
1701 | ||
2b5e1967 | 1702 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1703 | } |
1704 | ||
1705 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1706 | { | |
1707 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1708 | ||
1709 | ieee80211_stop_mesh(sdata); | |
34a3740d | 1710 | mutex_lock(&sdata->local->mtx); |
55de908a | 1711 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1712 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
1713 | |
1714 | return 0; | |
1715 | } | |
c5dd9c2b LCC |
1716 | #endif |
1717 | ||
9f1ba906 JM |
1718 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1719 | struct net_device *dev, | |
1720 | struct bss_parameters *params) | |
1721 | { | |
55de908a JB |
1722 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1723 | enum ieee80211_band band; | |
9f1ba906 JM |
1724 | u32 changed = 0; |
1725 | ||
7ca133bc | 1726 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1727 | return -ENOENT; |
1728 | ||
1729 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1730 | |
9f1ba906 | 1731 | if (params->use_cts_prot >= 0) { |
bda3933a | 1732 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1733 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1734 | } | |
1735 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1736 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1737 | params->use_short_preamble; |
1738 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1739 | } | |
43d35343 FF |
1740 | |
1741 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1742 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1743 | sdata->vif.bss_conf.use_short_slot = true; |
1744 | changed |= BSS_CHANGED_ERP_SLOT; | |
1745 | } | |
1746 | ||
9f1ba906 | 1747 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1748 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1749 | params->use_short_slot_time; |
1750 | changed |= BSS_CHANGED_ERP_SLOT; | |
1751 | } | |
1752 | ||
90c97a04 | 1753 | if (params->basic_rates) { |
2103dec1 SW |
1754 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1755 | wiphy->bands[band], | |
1756 | params->basic_rates, | |
1757 | params->basic_rates_len, | |
1758 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
1759 | changed |= BSS_CHANGED_BASIC_RATES; |
1760 | } | |
1761 | ||
7b7b5e56 FF |
1762 | if (params->ap_isolate >= 0) { |
1763 | if (params->ap_isolate) | |
1764 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1765 | else | |
1766 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1767 | } | |
1768 | ||
80d7e403 HS |
1769 | if (params->ht_opmode >= 0) { |
1770 | sdata->vif.bss_conf.ht_operation_mode = | |
1771 | (u16) params->ht_opmode; | |
1772 | changed |= BSS_CHANGED_HT; | |
1773 | } | |
1774 | ||
339afbf4 | 1775 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
1776 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
1777 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1778 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1779 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
1780 | changed |= BSS_CHANGED_P2P_PS; |
1781 | } | |
1782 | ||
67baf663 JD |
1783 | if (params->p2p_opp_ps > 0) { |
1784 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1785 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
1786 | changed |= BSS_CHANGED_P2P_PS; | |
1787 | } else if (params->p2p_opp_ps == 0) { | |
1788 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
1789 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
1790 | changed |= BSS_CHANGED_P2P_PS; |
1791 | } | |
1792 | ||
9f1ba906 JM |
1793 | ieee80211_bss_info_change_notify(sdata, changed); |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
31888487 | 1798 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1799 | struct net_device *dev, |
31888487 JM |
1800 | struct ieee80211_txq_params *params) |
1801 | { | |
1802 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1803 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1804 | struct ieee80211_tx_queue_params p; |
1805 | ||
1806 | if (!local->ops->conf_tx) | |
1807 | return -EOPNOTSUPP; | |
1808 | ||
54bcbc69 JB |
1809 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1810 | return -EOPNOTSUPP; | |
1811 | ||
31888487 JM |
1812 | memset(&p, 0, sizeof(p)); |
1813 | p.aifs = params->aifs; | |
1814 | p.cw_max = params->cwmax; | |
1815 | p.cw_min = params->cwmin; | |
1816 | p.txop = params->txop; | |
ab13315a KV |
1817 | |
1818 | /* | |
1819 | * Setting tx queue params disables u-apsd because it's only | |
1820 | * called in master mode. | |
1821 | */ | |
1822 | p.uapsd = false; | |
1823 | ||
a3304b0a JB |
1824 | sdata->tx_conf[params->ac] = p; |
1825 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1826 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1827 | "failed to set TX queue parameters for AC %d\n", |
1828 | params->ac); | |
31888487 JM |
1829 | return -EINVAL; |
1830 | } | |
1831 | ||
7d25745d JB |
1832 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1833 | ||
31888487 JM |
1834 | return 0; |
1835 | } | |
1836 | ||
665af4fc | 1837 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1838 | static int ieee80211_suspend(struct wiphy *wiphy, |
1839 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1840 | { |
eecc4800 | 1841 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1842 | } |
1843 | ||
1844 | static int ieee80211_resume(struct wiphy *wiphy) | |
1845 | { | |
1846 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1847 | } | |
1848 | #else | |
1849 | #define ieee80211_suspend NULL | |
1850 | #define ieee80211_resume NULL | |
1851 | #endif | |
1852 | ||
2a519311 | 1853 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1854 | struct cfg80211_scan_request *req) |
1855 | { | |
fd014284 JB |
1856 | struct ieee80211_sub_if_data *sdata; |
1857 | ||
1858 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1859 | |
2ca27bcf JB |
1860 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1861 | case NL80211_IFTYPE_STATION: | |
1862 | case NL80211_IFTYPE_ADHOC: | |
1863 | case NL80211_IFTYPE_MESH_POINT: | |
1864 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1865 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1866 | break; |
1867 | case NL80211_IFTYPE_P2P_GO: | |
1868 | if (sdata->local->ops->hw_scan) | |
1869 | break; | |
e9d7732e JB |
1870 | /* |
1871 | * FIXME: implement NoA while scanning in software, | |
1872 | * for now fall through to allow scanning only when | |
1873 | * beaconing hasn't been configured yet | |
1874 | */ | |
2ca27bcf | 1875 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
1876 | /* |
1877 | * If the scan has been forced (and the driver supports | |
1878 | * forcing), don't care about being beaconing already. | |
1879 | * This will create problems to the attached stations (e.g. all | |
1880 | * the frames sent while scanning on other channel will be | |
1881 | * lost) | |
1882 | */ | |
1883 | if (sdata->u.ap.beacon && | |
1884 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
1885 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
1886 | return -EOPNOTSUPP; |
1887 | break; | |
1888 | default: | |
1889 | return -EOPNOTSUPP; | |
1890 | } | |
2a519311 JB |
1891 | |
1892 | return ieee80211_request_scan(sdata, req); | |
1893 | } | |
1894 | ||
79f460ca LC |
1895 | static int |
1896 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1897 | struct net_device *dev, | |
1898 | struct cfg80211_sched_scan_request *req) | |
1899 | { | |
1900 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1901 | ||
1902 | if (!sdata->local->ops->sched_scan_start) | |
1903 | return -EOPNOTSUPP; | |
1904 | ||
1905 | return ieee80211_request_sched_scan_start(sdata, req); | |
1906 | } | |
1907 | ||
1908 | static int | |
85a9994a | 1909 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1910 | { |
1911 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1912 | ||
1913 | if (!sdata->local->ops->sched_scan_stop) | |
1914 | return -EOPNOTSUPP; | |
1915 | ||
85a9994a | 1916 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1917 | } |
1918 | ||
636a5d36 JM |
1919 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1920 | struct cfg80211_auth_request *req) | |
1921 | { | |
77fdaa12 | 1922 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1923 | } |
1924 | ||
1925 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1926 | struct cfg80211_assoc_request *req) | |
1927 | { | |
77fdaa12 | 1928 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1929 | } |
1930 | ||
1931 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1932 | struct cfg80211_deauth_request *req) |
636a5d36 | 1933 | { |
63c9c5e7 | 1934 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1935 | } |
1936 | ||
1937 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1938 | struct cfg80211_disassoc_request *req) |
636a5d36 | 1939 | { |
63c9c5e7 | 1940 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1941 | } |
1942 | ||
af8cdcd8 JB |
1943 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1944 | struct cfg80211_ibss_params *params) | |
1945 | { | |
55de908a | 1946 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
1947 | } |
1948 | ||
1949 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1950 | { | |
55de908a | 1951 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
1952 | } |
1953 | ||
391e53e3 AQ |
1954 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
1955 | int rate[IEEE80211_NUM_BANDS]) | |
1956 | { | |
1957 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1958 | ||
9887dbf5 CD |
1959 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
1960 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
1961 | |
1962 | return 0; | |
1963 | } | |
1964 | ||
b9a5f8ca JM |
1965 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1966 | { | |
1967 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1968 | int err; |
b9a5f8ca | 1969 | |
f23a4780 AN |
1970 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1971 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1972 | ||
1973 | if (err) | |
1974 | return err; | |
1975 | } | |
1976 | ||
310bc676 LT |
1977 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1978 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1979 | ||
1980 | if (err) | |
1981 | return err; | |
1982 | } | |
1983 | ||
b9a5f8ca | 1984 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1985 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1986 | |
24487981 JB |
1987 | if (err) |
1988 | return err; | |
b9a5f8ca JM |
1989 | } |
1990 | ||
8bc83c24 JB |
1991 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
1992 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
1993 | return -EINVAL; | |
b9a5f8ca | 1994 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
1995 | } |
1996 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
1997 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
1998 | return -EINVAL; | |
b9a5f8ca | 1999 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2000 | } |
b9a5f8ca JM |
2001 | if (changed & |
2002 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2003 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2004 | ||
2005 | return 0; | |
2006 | } | |
2007 | ||
7643a2c3 | 2008 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2009 | struct wireless_dev *wdev, |
fa61cf70 | 2010 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2011 | { |
2012 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2013 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2014 | |
1ea6f9c0 JB |
2015 | if (wdev) { |
2016 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2017 | ||
2018 | switch (type) { | |
2019 | case NL80211_TX_POWER_AUTOMATIC: | |
2020 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2021 | break; | |
2022 | case NL80211_TX_POWER_LIMITED: | |
2023 | case NL80211_TX_POWER_FIXED: | |
2024 | if (mbm < 0 || (mbm % 100)) | |
2025 | return -EOPNOTSUPP; | |
2026 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2027 | break; | |
2028 | } | |
2029 | ||
2030 | ieee80211_recalc_txpower(sdata); | |
2031 | ||
2032 | return 0; | |
2033 | } | |
55de908a | 2034 | |
7643a2c3 | 2035 | switch (type) { |
fa61cf70 | 2036 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2037 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2038 | break; |
fa61cf70 | 2039 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2040 | case NL80211_TX_POWER_FIXED: |
2041 | if (mbm < 0 || (mbm % 100)) | |
2042 | return -EOPNOTSUPP; | |
fa61cf70 | 2043 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2044 | break; |
7643a2c3 JB |
2045 | } |
2046 | ||
1ea6f9c0 JB |
2047 | mutex_lock(&local->iflist_mtx); |
2048 | list_for_each_entry(sdata, &local->interfaces, list) | |
2049 | sdata->user_power_level = local->user_power_level; | |
2050 | list_for_each_entry(sdata, &local->interfaces, list) | |
2051 | ieee80211_recalc_txpower(sdata); | |
2052 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2053 | |
2054 | return 0; | |
2055 | } | |
2056 | ||
c8442118 JB |
2057 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2058 | struct wireless_dev *wdev, | |
2059 | int *dbm) | |
7643a2c3 JB |
2060 | { |
2061 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2062 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2063 | |
1ea6f9c0 JB |
2064 | if (!local->use_chanctx) |
2065 | *dbm = local->hw.conf.power_level; | |
2066 | else | |
2067 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2068 | |
7643a2c3 JB |
2069 | return 0; |
2070 | } | |
2071 | ||
ab737a4f | 2072 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2073 | const u8 *addr) |
ab737a4f JB |
2074 | { |
2075 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2076 | ||
2077 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2078 | ||
2079 | return 0; | |
2080 | } | |
2081 | ||
1f87f7d3 JB |
2082 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2083 | { | |
2084 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2085 | ||
2086 | drv_rfkill_poll(local); | |
2087 | } | |
2088 | ||
aff89a9b | 2089 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2090 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2091 | struct wireless_dev *wdev, | |
2092 | void *data, int len) | |
aff89a9b JB |
2093 | { |
2094 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2095 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2096 | |
2097 | if (!local->ops->testmode_cmd) | |
2098 | return -EOPNOTSUPP; | |
2099 | ||
52981cd7 DS |
2100 | if (wdev) { |
2101 | struct ieee80211_sub_if_data *sdata; | |
2102 | ||
2103 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2104 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2105 | vif = &sdata->vif; | |
2106 | } | |
2107 | ||
2108 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2109 | } |
71063f0e WYG |
2110 | |
2111 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2112 | struct sk_buff *skb, | |
2113 | struct netlink_callback *cb, | |
2114 | void *data, int len) | |
2115 | { | |
2116 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2117 | ||
2118 | if (!local->ops->testmode_dump) | |
2119 | return -EOPNOTSUPP; | |
2120 | ||
2121 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2122 | } | |
aff89a9b JB |
2123 | #endif |
2124 | ||
687da132 EG |
2125 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2126 | enum ieee80211_smps_mode smps_mode) | |
2127 | { | |
2128 | struct sta_info *sta; | |
2129 | enum ieee80211_smps_mode old_req; | |
2130 | int i; | |
2131 | ||
2132 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2133 | return -EINVAL; | |
2134 | ||
2135 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2136 | return 0; | |
2137 | ||
2138 | old_req = sdata->u.ap.req_smps; | |
2139 | sdata->u.ap.req_smps = smps_mode; | |
2140 | ||
2141 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2142 | if (old_req == smps_mode || | |
2143 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2144 | return 0; | |
2145 | ||
2146 | /* If no associated stations, there's no need to do anything */ | |
2147 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2148 | sdata->smps_mode = smps_mode; | |
2149 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2150 | return 0; | |
2151 | } | |
2152 | ||
2153 | ht_dbg(sdata, | |
2154 | "SMSP %d requested in AP mode, sending Action frame to %d stations\n", | |
2155 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); | |
2156 | ||
2157 | mutex_lock(&sdata->local->sta_mtx); | |
2158 | for (i = 0; i < STA_HASH_SIZE; i++) { | |
2159 | for (sta = rcu_dereference_protected(sdata->local->sta_hash[i], | |
2160 | lockdep_is_held(&sdata->local->sta_mtx)); | |
2161 | sta; | |
2162 | sta = rcu_dereference_protected(sta->hnext, | |
2163 | lockdep_is_held(&sdata->local->sta_mtx))) { | |
2164 | /* | |
2165 | * Only stations associated to our AP and | |
2166 | * associated VLANs | |
2167 | */ | |
2168 | if (sta->sdata->bss != &sdata->u.ap) | |
2169 | continue; | |
2170 | ||
2171 | /* This station doesn't support MIMO - skip it */ | |
2172 | if (sta_info_tx_streams(sta) == 1) | |
2173 | continue; | |
2174 | ||
2175 | /* | |
2176 | * Don't wake up a STA just to send the action frame | |
2177 | * unless we are getting more restrictive. | |
2178 | */ | |
2179 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2180 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2181 | smps_mode)) { | |
2182 | ht_dbg(sdata, | |
2183 | "Won't send SMPS to sleeping STA %pM\n", | |
2184 | sta->sta.addr); | |
2185 | continue; | |
2186 | } | |
2187 | ||
2188 | /* | |
2189 | * If the STA is not authorized, wait until it gets | |
2190 | * authorized and the action frame will be sent then. | |
2191 | */ | |
2192 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2193 | continue; | |
2194 | ||
2195 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); | |
2196 | ieee80211_send_smps_action(sdata, smps_mode, | |
2197 | sta->sta.addr, | |
2198 | sdata->vif.bss_conf.bssid); | |
2199 | } | |
2200 | } | |
2201 | mutex_unlock(&sdata->local->sta_mtx); | |
2202 | ||
2203 | sdata->smps_mode = smps_mode; | |
2204 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2205 | ||
2206 | return 0; | |
2207 | } | |
2208 | ||
2209 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2210 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2211 | { |
2212 | const u8 *ap; | |
2213 | enum ieee80211_smps_mode old_req; | |
2214 | int err; | |
2215 | ||
8d61ffa5 | 2216 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2217 | |
687da132 EG |
2218 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2219 | return -EINVAL; | |
2220 | ||
0f78231b JB |
2221 | old_req = sdata->u.mgd.req_smps; |
2222 | sdata->u.mgd.req_smps = smps_mode; | |
2223 | ||
2224 | if (old_req == smps_mode && | |
2225 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2226 | return 0; | |
2227 | ||
2228 | /* | |
2229 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2230 | * association, there's no need to do anything, just store |
2231 | * the new value until we associate. | |
0f78231b JB |
2232 | */ |
2233 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2234 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2235 | return 0; |
0f78231b | 2236 | |
0c1ad2ca | 2237 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2238 | |
2239 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2240 | if (sdata->u.mgd.powersave) | |
2241 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2242 | else | |
2243 | smps_mode = IEEE80211_SMPS_OFF; | |
2244 | } | |
2245 | ||
2246 | /* send SM PS frame to AP */ | |
2247 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2248 | ap, ap); | |
2249 | if (err) | |
2250 | sdata->u.mgd.req_smps = old_req; | |
2251 | ||
2252 | return err; | |
2253 | } | |
2254 | ||
bc92afd9 JB |
2255 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2256 | bool enabled, int timeout) | |
2257 | { | |
2258 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2259 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2260 | |
2d3db210 | 2261 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2262 | return -EOPNOTSUPP; |
2263 | ||
bc92afd9 JB |
2264 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2265 | return -EOPNOTSUPP; | |
2266 | ||
2267 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2268 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2269 | return 0; |
2270 | ||
2271 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2272 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2273 | |
0f78231b | 2274 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2275 | sdata_lock(sdata); |
687da132 | 2276 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2277 | sdata_unlock(sdata); |
0f78231b | 2278 | |
bc92afd9 JB |
2279 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2280 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2281 | ||
2282 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2283 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2284 | |
2285 | return 0; | |
2286 | } | |
2287 | ||
a97c13c3 JO |
2288 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2289 | struct net_device *dev, | |
2290 | s32 rssi_thold, u32 rssi_hyst) | |
2291 | { | |
2292 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2293 | struct ieee80211_vif *vif = &sdata->vif; |
2294 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2295 | ||
a97c13c3 JO |
2296 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2297 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2298 | return 0; | |
2299 | ||
2300 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2301 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2302 | ||
2303 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2304 | if (sdata->u.mgd.associated && |
2305 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2306 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2307 | ||
2308 | return 0; | |
2309 | } | |
2310 | ||
9930380f JB |
2311 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2312 | struct net_device *dev, | |
2313 | const u8 *addr, | |
2314 | const struct cfg80211_bitrate_mask *mask) | |
2315 | { | |
2316 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2317 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2318 | int i, ret; |
2c7e6bc9 | 2319 | |
554a43d5 EP |
2320 | if (!ieee80211_sdata_running(sdata)) |
2321 | return -ENETDOWN; | |
2322 | ||
bdbfd6b5 SM |
2323 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2324 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2325 | if (ret) | |
2326 | return ret; | |
2327 | } | |
9930380f | 2328 | |
19468413 | 2329 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2330 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2331 | int j; | |
2332 | ||
37eb0b16 | 2333 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2334 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2335 | sizeof(mask->control[i].ht_mcs)); | |
2ffbe6d3 FF |
2336 | |
2337 | sdata->rc_has_mcs_mask[i] = false; | |
2338 | if (!sband) | |
2339 | continue; | |
2340 | ||
2341 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) | |
2342 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { | |
2343 | sdata->rc_has_mcs_mask[i] = true; | |
2344 | break; | |
2345 | } | |
19468413 | 2346 | } |
9930380f | 2347 | |
37eb0b16 | 2348 | return 0; |
9930380f JB |
2349 | } |
2350 | ||
2eb278e0 JB |
2351 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2352 | struct ieee80211_sub_if_data *sdata, | |
2353 | struct ieee80211_channel *channel, | |
2eb278e0 | 2354 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2355 | struct sk_buff *txskb, |
2356 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2357 | { |
2358 | struct ieee80211_roc_work *roc, *tmp; | |
2359 | bool queued = false; | |
21f83589 | 2360 | int ret; |
21f83589 JB |
2361 | |
2362 | lockdep_assert_held(&local->mtx); | |
2363 | ||
fe57d9f5 JB |
2364 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2365 | return -EOPNOTSUPP; | |
2366 | ||
2eb278e0 JB |
2367 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2368 | if (!roc) | |
2369 | return -ENOMEM; | |
2370 | ||
2fae062e IP |
2371 | /* |
2372 | * If the duration is zero, then the driver | |
2373 | * wouldn't actually do anything. Set it to | |
2374 | * 10 for now. | |
2375 | * | |
2376 | * TODO: cancel the off-channel operation | |
2377 | * when we get the SKB's TX status and | |
2378 | * the wait time was zero before. | |
2379 | */ | |
2380 | if (!duration) | |
2381 | duration = 10; | |
2382 | ||
2eb278e0 | 2383 | roc->chan = channel; |
2eb278e0 JB |
2384 | roc->duration = duration; |
2385 | roc->req_duration = duration; | |
2386 | roc->frame = txskb; | |
d339d5ca | 2387 | roc->type = type; |
2eb278e0 JB |
2388 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2389 | roc->sdata = sdata; | |
2390 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2391 | INIT_LIST_HEAD(&roc->dependents); | |
2392 | ||
2f617435 EP |
2393 | /* |
2394 | * cookie is either the roc cookie (for normal roc) | |
2395 | * or the SKB (for mgmt TX) | |
2396 | */ | |
2397 | if (!txskb) { | |
2398 | /* local->mtx protects this */ | |
2399 | local->roc_cookie_counter++; | |
2400 | roc->cookie = local->roc_cookie_counter; | |
2401 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2402 | if (WARN_ON(roc->cookie == 0)) { | |
2403 | roc->cookie = 1; | |
2404 | local->roc_cookie_counter++; | |
2405 | } | |
2406 | *cookie = roc->cookie; | |
2407 | } else { | |
2408 | *cookie = (unsigned long)txskb; | |
2409 | } | |
2410 | ||
2eb278e0 | 2411 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d SW |
2412 | if (!list_empty(&local->roc_list) || |
2413 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2414 | goto out_check_combine; |
2415 | ||
2416 | /* if not HW assist, just queue & schedule work */ | |
2417 | if (!local->ops->remain_on_channel) { | |
2418 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2419 | goto out_queue; | |
2420 | } | |
2421 | ||
2422 | /* otherwise actually kick it off here (for error handling) */ | |
2423 | ||
d339d5ca | 2424 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2425 | if (ret) { |
2eb278e0 JB |
2426 | kfree(roc); |
2427 | return ret; | |
21f83589 JB |
2428 | } |
2429 | ||
2eb278e0 JB |
2430 | roc->started = true; |
2431 | goto out_queue; | |
2432 | ||
2433 | out_check_combine: | |
2434 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2435 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2436 | continue; |
2437 | ||
2438 | /* | |
2439 | * Extend this ROC if possible: | |
2440 | * | |
2441 | * If it hasn't started yet, just increase the duration | |
2442 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2443 | * If the type of the new ROC has higher priority, modify the |
2444 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2445 | */ |
2446 | if (!tmp->started) { | |
2447 | list_add_tail(&roc->list, &tmp->dependents); | |
2448 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2449 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2450 | queued = true; |
2451 | break; | |
2452 | } | |
2453 | ||
2454 | /* If it has already started, it's more difficult ... */ | |
2455 | if (local->ops->remain_on_channel) { | |
2456 | unsigned long j = jiffies; | |
2457 | ||
2458 | /* | |
2459 | * In the offloaded ROC case, if it hasn't begun, add | |
2460 | * this new one to the dependent list to be handled | |
d339d5ca | 2461 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2462 | * check that there's still a minimum time left and |
2463 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2464 | * add it to the list directly after this one with |
2eb278e0 JB |
2465 | * a reduced time so we'll ask the driver to execute |
2466 | * it right after finishing the previous one, in the | |
2467 | * hope that it'll also be executed right afterwards, | |
2468 | * effectively extending the old one. | |
2469 | * If there's no minimum time left, just add it to the | |
2470 | * normal list. | |
d339d5ca IP |
2471 | * TODO: the ROC type is ignored here, assuming that it |
2472 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2473 | */ |
2474 | if (!tmp->hw_begun) { | |
2475 | list_add_tail(&roc->list, &tmp->dependents); | |
2476 | queued = true; | |
2477 | break; | |
2478 | } | |
2479 | ||
2480 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2481 | tmp->hw_start_time + | |
2482 | msecs_to_jiffies(tmp->duration))) { | |
2483 | int new_dur; | |
2484 | ||
2485 | ieee80211_handle_roc_started(roc); | |
2486 | ||
2487 | new_dur = roc->duration - | |
2488 | jiffies_to_msecs(tmp->hw_start_time + | |
2489 | msecs_to_jiffies( | |
2490 | tmp->duration) - | |
2491 | j); | |
2492 | ||
2493 | if (new_dur > 0) { | |
2494 | /* add right after tmp */ | |
2495 | list_add(&roc->list, &tmp->list); | |
2496 | } else { | |
2497 | list_add_tail(&roc->list, | |
2498 | &tmp->dependents); | |
2499 | } | |
2500 | queued = true; | |
2501 | } | |
2502 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2503 | unsigned long new_end; | |
2504 | ||
2505 | /* | |
2506 | * In the software ROC case, cancel the timer, if | |
2507 | * that fails then the finish work is already | |
2508 | * queued/pending and thus we queue the new ROC | |
2509 | * normally, if that succeeds then we can extend | |
2510 | * the timer duration and TX the frame (if any.) | |
2511 | */ | |
2512 | ||
2513 | list_add_tail(&roc->list, &tmp->dependents); | |
2514 | queued = true; | |
2515 | ||
2516 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2517 | ||
2518 | /* ok, it was started & we canceled timer */ | |
2519 | if (time_after(new_end, tmp->work.timer.expires)) | |
2520 | mod_timer(&tmp->work.timer, new_end); | |
2521 | else | |
2522 | add_timer(&tmp->work.timer); | |
2523 | ||
2524 | ieee80211_handle_roc_started(roc); | |
2525 | } | |
2526 | break; | |
2527 | } | |
2528 | ||
2529 | out_queue: | |
2530 | if (!queued) | |
2531 | list_add_tail(&roc->list, &local->roc_list); | |
2532 | ||
2eb278e0 | 2533 | return 0; |
21f83589 JB |
2534 | } |
2535 | ||
b8bc4b0a | 2536 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2537 | struct wireless_dev *wdev, |
b8bc4b0a | 2538 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2539 | unsigned int duration, |
2540 | u64 *cookie) | |
2541 | { | |
71bbc994 | 2542 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2543 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2544 | int ret; |
21f83589 | 2545 | |
2eb278e0 | 2546 | mutex_lock(&local->mtx); |
42d97a59 | 2547 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2548 | duration, cookie, NULL, |
2549 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2550 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2551 | |
2eb278e0 | 2552 | return ret; |
b8bc4b0a JB |
2553 | } |
2554 | ||
2eb278e0 JB |
2555 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2556 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2557 | { |
2eb278e0 | 2558 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2559 | int ret; |
2560 | ||
2eb278e0 JB |
2561 | mutex_lock(&local->mtx); |
2562 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2563 | struct ieee80211_roc_work *dep, *tmp2; |
2564 | ||
2565 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2566 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2567 | continue; |
2568 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2569 | continue; | |
2570 | /* found dependent item -- just remove it */ | |
2571 | list_del(&dep->list); | |
2572 | mutex_unlock(&local->mtx); | |
2573 | ||
3fbd45ca | 2574 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2575 | return 0; |
2576 | } | |
2577 | ||
50febf6a | 2578 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2579 | continue; |
2580 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2581 | continue; | |
21f83589 | 2582 | |
2eb278e0 JB |
2583 | found = roc; |
2584 | break; | |
2585 | } | |
21f83589 | 2586 | |
2eb278e0 JB |
2587 | if (!found) { |
2588 | mutex_unlock(&local->mtx); | |
2589 | return -ENOENT; | |
2590 | } | |
21f83589 | 2591 | |
e979e33c JB |
2592 | /* |
2593 | * We found the item to cancel, so do that. Note that it | |
2594 | * may have dependents, which we also cancel (and send | |
2595 | * the expired signal for.) Not doing so would be quite | |
2596 | * tricky here, but we may need to fix it later. | |
2597 | */ | |
2598 | ||
2eb278e0 JB |
2599 | if (local->ops->remain_on_channel) { |
2600 | if (found->started) { | |
2601 | ret = drv_cancel_remain_on_channel(local); | |
2602 | if (WARN_ON_ONCE(ret)) { | |
2603 | mutex_unlock(&local->mtx); | |
2604 | return ret; | |
2605 | } | |
2606 | } | |
21f83589 | 2607 | |
2eb278e0 | 2608 | list_del(&found->list); |
21f83589 | 2609 | |
0f6b3f59 JB |
2610 | if (found->started) |
2611 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2612 | mutex_unlock(&local->mtx); |
21f83589 | 2613 | |
3fbd45ca | 2614 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2615 | } else { |
2616 | /* work may be pending so use it all the time */ | |
2617 | found->abort = true; | |
2618 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2619 | |
21f83589 JB |
2620 | mutex_unlock(&local->mtx); |
2621 | ||
2eb278e0 JB |
2622 | /* work will clean up etc */ |
2623 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2624 | WARN_ON(!found->to_be_freed); |
2625 | kfree(found); | |
21f83589 | 2626 | } |
b8bc4b0a | 2627 | |
2eb278e0 | 2628 | return 0; |
b8bc4b0a JB |
2629 | } |
2630 | ||
2eb278e0 | 2631 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2632 | struct wireless_dev *wdev, |
2eb278e0 | 2633 | u64 cookie) |
f30221e4 | 2634 | { |
71bbc994 | 2635 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2636 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2637 | |
2eb278e0 | 2638 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2639 | } |
2640 | ||
164eb02d SW |
2641 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2642 | struct net_device *dev, | |
31559f35 JD |
2643 | struct cfg80211_chan_def *chandef, |
2644 | u32 cac_time_ms) | |
164eb02d SW |
2645 | { |
2646 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2647 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2648 | int err; |
2649 | ||
34a3740d JB |
2650 | mutex_lock(&local->mtx); |
2651 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2652 | err = -EBUSY; | |
2653 | goto out_unlock; | |
2654 | } | |
164eb02d SW |
2655 | |
2656 | /* whatever, but channel contexts should not complain about that one */ | |
2657 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2658 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2659 | |
164eb02d SW |
2660 | err = ieee80211_vif_use_channel(sdata, chandef, |
2661 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2662 | if (err) |
34a3740d | 2663 | goto out_unlock; |
164eb02d | 2664 | |
164eb02d | 2665 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2666 | &sdata->dfs_cac_timer_work, |
2667 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2668 | |
34a3740d JB |
2669 | out_unlock: |
2670 | mutex_unlock(&local->mtx); | |
2671 | return err; | |
164eb02d SW |
2672 | } |
2673 | ||
73da7d5b SW |
2674 | static struct cfg80211_beacon_data * |
2675 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2676 | { | |
2677 | struct cfg80211_beacon_data *new_beacon; | |
2678 | u8 *pos; | |
2679 | int len; | |
2680 | ||
2681 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2682 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2683 | beacon->probe_resp_len; | |
2684 | ||
2685 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2686 | if (!new_beacon) | |
2687 | return NULL; | |
2688 | ||
2689 | pos = (u8 *)(new_beacon + 1); | |
2690 | if (beacon->head_len) { | |
2691 | new_beacon->head_len = beacon->head_len; | |
2692 | new_beacon->head = pos; | |
2693 | memcpy(pos, beacon->head, beacon->head_len); | |
2694 | pos += beacon->head_len; | |
2695 | } | |
2696 | if (beacon->tail_len) { | |
2697 | new_beacon->tail_len = beacon->tail_len; | |
2698 | new_beacon->tail = pos; | |
2699 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2700 | pos += beacon->tail_len; | |
2701 | } | |
2702 | if (beacon->beacon_ies_len) { | |
2703 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2704 | new_beacon->beacon_ies = pos; | |
2705 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2706 | pos += beacon->beacon_ies_len; | |
2707 | } | |
2708 | if (beacon->proberesp_ies_len) { | |
2709 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2710 | new_beacon->proberesp_ies = pos; | |
2711 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2712 | pos += beacon->proberesp_ies_len; | |
2713 | } | |
2714 | if (beacon->assocresp_ies_len) { | |
2715 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2716 | new_beacon->assocresp_ies = pos; | |
2717 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2718 | pos += beacon->assocresp_ies_len; | |
2719 | } | |
2720 | if (beacon->probe_resp_len) { | |
2721 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2722 | beacon->probe_resp = pos; | |
2723 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2724 | pos += beacon->probe_resp_len; | |
2725 | } | |
2726 | ||
2727 | return new_beacon; | |
2728 | } | |
2729 | ||
66e01cf9 | 2730 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 2731 | { |
66e01cf9 | 2732 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 2733 | |
66e01cf9 LC |
2734 | ieee80211_queue_work(&sdata->local->hw, |
2735 | &sdata->csa_finalize_work); | |
2736 | } | |
2737 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 2738 | |
66199506 MK |
2739 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2740 | u32 *changed) | |
66e01cf9 | 2741 | { |
66199506 | 2742 | int err; |
7578d575 | 2743 | |
cd7760e6 SW |
2744 | switch (sdata->vif.type) { |
2745 | case NL80211_IFTYPE_AP: | |
af296bdb MK |
2746 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, |
2747 | NULL); | |
97518af1 MK |
2748 | kfree(sdata->u.ap.next_beacon); |
2749 | sdata->u.ap.next_beacon = NULL; | |
2750 | ||
cd7760e6 | 2751 | if (err < 0) |
66199506 MK |
2752 | return err; |
2753 | *changed |= err; | |
cd7760e6 SW |
2754 | break; |
2755 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
2756 | err = ieee80211_ibss_finish_csa(sdata); |
2757 | if (err < 0) | |
66199506 MK |
2758 | return err; |
2759 | *changed |= err; | |
cd7760e6 | 2760 | break; |
b8456a14 CYY |
2761 | #ifdef CONFIG_MAC80211_MESH |
2762 | case NL80211_IFTYPE_MESH_POINT: | |
2763 | err = ieee80211_mesh_finish_csa(sdata); | |
2764 | if (err < 0) | |
66199506 MK |
2765 | return err; |
2766 | *changed |= err; | |
b8456a14 CYY |
2767 | break; |
2768 | #endif | |
cd7760e6 SW |
2769 | default: |
2770 | WARN_ON(1); | |
66199506 MK |
2771 | return -EINVAL; |
2772 | } | |
2773 | ||
2774 | return 0; | |
2775 | } | |
2776 | ||
cf8767dd | 2777 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
2778 | { |
2779 | struct ieee80211_local *local = sdata->local; | |
2780 | u32 changed = 0; | |
2781 | int err; | |
2782 | ||
2783 | sdata_assert_lock(sdata); | |
2784 | lockdep_assert_held(&local->mtx); | |
2785 | ||
2786 | sdata->radar_required = sdata->csa_radar_required; | |
2787 | err = ieee80211_vif_change_channel(sdata, &changed); | |
cf8767dd MK |
2788 | if (err < 0) |
2789 | return err; | |
66199506 MK |
2790 | |
2791 | if (!local->use_chanctx) { | |
2792 | local->_oper_chandef = sdata->csa_chandef; | |
2793 | ieee80211_hw_config(local, 0); | |
cd7760e6 | 2794 | } |
73da7d5b | 2795 | |
66199506 MK |
2796 | sdata->vif.csa_active = false; |
2797 | ||
2798 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
2799 | if (err) | |
cf8767dd | 2800 | return err; |
faf046e7 | 2801 | |
66199506 | 2802 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 MK |
2803 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); |
2804 | ||
a46992b4 LC |
2805 | if (sdata->csa_block_tx) { |
2806 | ieee80211_wake_vif_queues(local, sdata, | |
2807 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
2808 | sdata->csa_block_tx = false; | |
2809 | } | |
cf8767dd MK |
2810 | |
2811 | return 0; | |
2812 | } | |
2813 | ||
2814 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
2815 | { | |
2816 | if (__ieee80211_csa_finalize(sdata)) { | |
2817 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
2818 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
2819 | GFP_KERNEL); | |
2820 | } | |
66e01cf9 LC |
2821 | } |
2822 | ||
2823 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2824 | { | |
2825 | struct ieee80211_sub_if_data *sdata = | |
2826 | container_of(work, struct ieee80211_sub_if_data, | |
2827 | csa_finalize_work); | |
59af6928 | 2828 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
2829 | |
2830 | sdata_lock(sdata); | |
59af6928 MK |
2831 | mutex_lock(&local->mtx); |
2832 | ||
66e01cf9 LC |
2833 | /* AP might have been stopped while waiting for the lock. */ |
2834 | if (!sdata->vif.csa_active) | |
2835 | goto unlock; | |
2836 | ||
2837 | if (!ieee80211_sdata_running(sdata)) | |
2838 | goto unlock; | |
2839 | ||
2840 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
2841 | |
2842 | unlock: | |
59af6928 | 2843 | mutex_unlock(&local->mtx); |
e487eaeb | 2844 | sdata_unlock(sdata); |
73da7d5b SW |
2845 | } |
2846 | ||
37fa2bdd MK |
2847 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
2848 | struct cfg80211_csa_settings *params, | |
2849 | u32 *changed) | |
73da7d5b | 2850 | { |
af296bdb | 2851 | struct ieee80211_csa_settings csa = {}; |
37fa2bdd | 2852 | int err; |
73da7d5b | 2853 | |
73da7d5b SW |
2854 | switch (sdata->vif.type) { |
2855 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
2856 | sdata->u.ap.next_beacon = |
2857 | cfg80211_beacon_dup(¶ms->beacon_after); | |
2858 | if (!sdata->u.ap.next_beacon) | |
2859 | return -ENOMEM; | |
2860 | ||
66e01cf9 LC |
2861 | /* |
2862 | * With a count of 0, we don't have to wait for any | |
2863 | * TBTT before switching, so complete the CSA | |
2864 | * immediately. In theory, with a count == 1 we | |
2865 | * should delay the switch until just before the next | |
2866 | * TBTT, but that would complicate things so we switch | |
2867 | * immediately too. If we would delay the switch | |
2868 | * until the next TBTT, we would have to set the probe | |
2869 | * response here. | |
2870 | * | |
2871 | * TODO: A channel switch with count <= 1 without | |
2872 | * sending a CSA action frame is kind of useless, | |
2873 | * because the clients won't know we're changing | |
2874 | * channels. The action frame must be implemented | |
2875 | * either here or in the userspace. | |
2876 | */ | |
2877 | if (params->count <= 1) | |
2878 | break; | |
2879 | ||
0d06d9ba AO |
2880 | if ((params->n_counter_offsets_beacon > |
2881 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
2882 | (params->n_counter_offsets_presp > | |
2883 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
2884 | return -EINVAL; | |
9a774c78 | 2885 | |
af296bdb MK |
2886 | csa.counter_offsets_beacon = params->counter_offsets_beacon; |
2887 | csa.counter_offsets_presp = params->counter_offsets_presp; | |
2888 | csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; | |
2889 | csa.n_counter_offsets_presp = params->n_counter_offsets_presp; | |
2890 | csa.count = params->count; | |
9a774c78 | 2891 | |
af296bdb | 2892 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); |
cd7760e6 SW |
2893 | if (err < 0) { |
2894 | kfree(sdata->u.ap.next_beacon); | |
2895 | return err; | |
2896 | } | |
37fa2bdd | 2897 | *changed |= err; |
66e01cf9 | 2898 | |
cd7760e6 SW |
2899 | break; |
2900 | case NL80211_IFTYPE_ADHOC: | |
2901 | if (!sdata->vif.bss_conf.ibss_joined) | |
2902 | return -EINVAL; | |
2903 | ||
2904 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
2905 | return -EINVAL; | |
2906 | ||
2907 | switch (params->chandef.width) { | |
2908 | case NL80211_CHAN_WIDTH_40: | |
2909 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
2910 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
2911 | return -EINVAL; | |
2912 | case NL80211_CHAN_WIDTH_5: | |
2913 | case NL80211_CHAN_WIDTH_10: | |
2914 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2915 | case NL80211_CHAN_WIDTH_20: | |
2916 | break; | |
2917 | default: | |
2918 | return -EINVAL; | |
2919 | } | |
2920 | ||
2921 | /* changes into another band are not supported */ | |
2922 | if (sdata->u.ibss.chandef.chan->band != | |
2923 | params->chandef.chan->band) | |
2924 | return -EINVAL; | |
2925 | ||
66e01cf9 LC |
2926 | /* see comments in the NL80211_IFTYPE_AP block */ |
2927 | if (params->count > 1) { | |
2928 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
2929 | if (err < 0) | |
2930 | return err; | |
37fa2bdd | 2931 | *changed |= err; |
66e01cf9 LC |
2932 | } |
2933 | ||
2934 | ieee80211_send_action_csa(sdata, params); | |
2935 | ||
73da7d5b | 2936 | break; |
c6da674a | 2937 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
2938 | case NL80211_IFTYPE_MESH_POINT: { |
2939 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 2940 | |
c6da674a CYY |
2941 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
2942 | return -EINVAL; | |
2943 | ||
2944 | /* changes into another band are not supported */ | |
2945 | if (sdata->vif.bss_conf.chandef.chan->band != | |
2946 | params->chandef.chan->band) | |
2947 | return -EINVAL; | |
2948 | ||
c782bf8c | 2949 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 2950 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
2951 | if (!ifmsh->pre_value) |
2952 | ifmsh->pre_value = 1; | |
2953 | else | |
2954 | ifmsh->pre_value++; | |
2955 | } | |
0cb4d4dc | 2956 | |
66e01cf9 LC |
2957 | /* see comments in the NL80211_IFTYPE_AP block */ |
2958 | if (params->count > 1) { | |
2959 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
2960 | if (err < 0) { | |
2961 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
2962 | return err; | |
2963 | } | |
37fa2bdd | 2964 | *changed |= err; |
3f718fd8 | 2965 | } |
66e01cf9 LC |
2966 | |
2967 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
2968 | ieee80211_send_action_csa(sdata, params); | |
2969 | ||
c6da674a | 2970 | break; |
37fa2bdd | 2971 | } |
c6da674a | 2972 | #endif |
73da7d5b SW |
2973 | default: |
2974 | return -EOPNOTSUPP; | |
2975 | } | |
2976 | ||
37fa2bdd MK |
2977 | return 0; |
2978 | } | |
2979 | ||
f29f58a9 LC |
2980 | static int |
2981 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
2982 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
2983 | { |
2984 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2985 | struct ieee80211_local *local = sdata->local; | |
2b32713d | 2986 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd MK |
2987 | struct ieee80211_chanctx *chanctx; |
2988 | int err, num_chanctx, changed = 0; | |
2989 | ||
2990 | sdata_assert_lock(sdata); | |
59af6928 | 2991 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
2992 | |
2993 | if (!list_empty(&local->roc_list) || local->scanning) | |
2994 | return -EBUSY; | |
2995 | ||
2996 | if (sdata->wdev.cac_started) | |
2997 | return -EBUSY; | |
2998 | ||
2999 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3000 | &sdata->vif.bss_conf.chandef)) | |
3001 | return -EINVAL; | |
3002 | ||
2b32713d MK |
3003 | mutex_lock(&local->chanctx_mtx); |
3004 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3005 | lockdep_is_held(&local->chanctx_mtx)); | |
3006 | if (!conf) { | |
3007 | mutex_unlock(&local->chanctx_mtx); | |
37fa2bdd MK |
3008 | return -EBUSY; |
3009 | } | |
3010 | ||
3011 | /* don't handle for multi-VIF cases */ | |
2b32713d | 3012 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
c0166da9 | 3013 | if (ieee80211_chanctx_refcount(local, chanctx) > 1) { |
2b32713d | 3014 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3015 | return -EBUSY; |
3016 | } | |
3017 | num_chanctx = 0; | |
3018 | list_for_each_entry_rcu(chanctx, &local->chanctx_list, list) | |
3019 | num_chanctx++; | |
2b32713d | 3020 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3021 | |
3022 | if (num_chanctx > 1) | |
3023 | return -EBUSY; | |
3024 | ||
3025 | /* don't allow another channel switch if one is already active. */ | |
3026 | if (sdata->vif.csa_active) | |
3027 | return -EBUSY; | |
3028 | ||
3029 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
3030 | if (err) | |
3031 | return err; | |
3032 | ||
73da7d5b | 3033 | sdata->csa_radar_required = params->radar_required; |
33787fc4 | 3034 | sdata->csa_chandef = params->chandef; |
59af6928 | 3035 | sdata->csa_block_tx = params->block_tx; |
73da7d5b SW |
3036 | sdata->vif.csa_active = true; |
3037 | ||
59af6928 | 3038 | if (sdata->csa_block_tx) |
a46992b4 LC |
3039 | ieee80211_stop_vif_queues(local, sdata, |
3040 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
59af6928 | 3041 | |
66e01cf9 LC |
3042 | if (changed) { |
3043 | ieee80211_bss_info_change_notify(sdata, changed); | |
3044 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3045 | } else { | |
3046 | /* if the beacon didn't change, we can finalize immediately */ | |
3047 | ieee80211_csa_finalize(sdata); | |
3048 | } | |
73da7d5b SW |
3049 | |
3050 | return 0; | |
3051 | } | |
3052 | ||
59af6928 MK |
3053 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3054 | struct cfg80211_csa_settings *params) | |
3055 | { | |
3056 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3057 | struct ieee80211_local *local = sdata->local; | |
3058 | int err; | |
3059 | ||
3060 | mutex_lock(&local->mtx); | |
3061 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3062 | mutex_unlock(&local->mtx); | |
3063 | ||
3064 | return err; | |
3065 | } | |
3066 | ||
71bbc994 | 3067 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3068 | struct cfg80211_mgmt_tx_params *params, |
3069 | u64 *cookie) | |
026331c4 | 3070 | { |
71bbc994 | 3071 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
3072 | struct ieee80211_local *local = sdata->local; |
3073 | struct sk_buff *skb; | |
3074 | struct sta_info *sta; | |
b176e629 | 3075 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3076 | bool need_offchan = false; |
e247bd90 | 3077 | u32 flags; |
2eb278e0 | 3078 | int ret; |
387910cc | 3079 | u8 *data; |
f7ca38df | 3080 | |
b176e629 | 3081 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3082 | flags = IEEE80211_TX_CTL_NO_ACK; |
3083 | else | |
3084 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3085 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3086 | ||
b176e629 | 3087 | if (params->no_cck) |
aad14ceb RM |
3088 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3089 | ||
9d38d85d JB |
3090 | switch (sdata->vif.type) { |
3091 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3092 | if (!sdata->vif.bss_conf.ibss_joined) |
3093 | need_offchan = true; | |
3094 | /* fall through */ | |
3095 | #ifdef CONFIG_MAC80211_MESH | |
3096 | case NL80211_IFTYPE_MESH_POINT: | |
3097 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3098 | !sdata->u.mesh.mesh_id_len) | |
3099 | need_offchan = true; | |
3100 | /* fall through */ | |
3101 | #endif | |
663fcafd JB |
3102 | case NL80211_IFTYPE_AP: |
3103 | case NL80211_IFTYPE_AP_VLAN: | |
3104 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3105 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3106 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3107 | !rcu_access_pointer(sdata->bss->beacon)) | |
3108 | need_offchan = true; | |
663fcafd | 3109 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3110 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3111 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3112 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3113 | break; |
3114 | rcu_read_lock(); | |
3115 | sta = sta_info_get(sdata, mgmt->da); | |
3116 | rcu_read_unlock(); | |
3117 | if (!sta) | |
3118 | return -ENOLINK; | |
3119 | break; | |
3120 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3121 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
3122 | if (!sdata->u.mgd.associated) |
3123 | need_offchan = true; | |
9d38d85d | 3124 | break; |
f142c6b9 JB |
3125 | case NL80211_IFTYPE_P2P_DEVICE: |
3126 | need_offchan = true; | |
3127 | break; | |
9d38d85d JB |
3128 | default: |
3129 | return -EOPNOTSUPP; | |
3130 | } | |
3131 | ||
f7aeb6fb AQ |
3132 | /* configurations requiring offchan cannot work if no channel has been |
3133 | * specified | |
3134 | */ | |
b176e629 | 3135 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3136 | return -EINVAL; |
3137 | ||
2eb278e0 JB |
3138 | mutex_lock(&local->mtx); |
3139 | ||
3140 | /* Check if the operating channel is the requested channel */ | |
3141 | if (!need_offchan) { | |
55de908a JB |
3142 | struct ieee80211_chanctx_conf *chanctx_conf; |
3143 | ||
3144 | rcu_read_lock(); | |
3145 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3146 | ||
f7aeb6fb | 3147 | if (chanctx_conf) { |
b176e629 AO |
3148 | need_offchan = params->chan && |
3149 | (params->chan != | |
3150 | chanctx_conf->def.chan); | |
3151 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3152 | ret = -EINVAL; |
3153 | rcu_read_unlock(); | |
3154 | goto out_unlock; | |
3155 | } else { | |
2eb278e0 | 3156 | need_offchan = true; |
f7aeb6fb | 3157 | } |
55de908a | 3158 | rcu_read_unlock(); |
2eb278e0 JB |
3159 | } |
3160 | ||
b176e629 | 3161 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3162 | ret = -EBUSY; |
3163 | goto out_unlock; | |
3164 | } | |
3165 | ||
b176e629 | 3166 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3167 | if (!skb) { |
3168 | ret = -ENOMEM; | |
3169 | goto out_unlock; | |
3170 | } | |
9d38d85d JB |
3171 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3172 | ||
387910cc AO |
3173 | data = skb_put(skb, params->len); |
3174 | memcpy(data, params->buf, params->len); | |
3175 | ||
3176 | /* Update CSA counters */ | |
3177 | if (sdata->vif.csa_active && | |
3178 | (sdata->vif.type == NL80211_IFTYPE_AP || | |
3179 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && | |
3180 | params->n_csa_offsets) { | |
3181 | int i; | |
af296bdb | 3182 | struct beacon_data *beacon = NULL; |
387910cc | 3183 | |
af296bdb MK |
3184 | rcu_read_lock(); |
3185 | ||
3186 | if (sdata->vif.type == NL80211_IFTYPE_AP) | |
3187 | beacon = rcu_dereference(sdata->u.ap.beacon); | |
3188 | else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) | |
3189 | beacon = rcu_dereference(sdata->u.ibss.presp); | |
3190 | else if (ieee80211_vif_is_mesh(&sdata->vif)) | |
3191 | beacon = rcu_dereference(sdata->u.mesh.beacon); | |
3192 | ||
3193 | if (beacon) | |
3194 | for (i = 0; i < params->n_csa_offsets; i++) | |
3195 | data[params->csa_offsets[i]] = | |
3196 | beacon->csa_current_counter; | |
3197 | ||
3198 | rcu_read_unlock(); | |
387910cc | 3199 | } |
9d38d85d JB |
3200 | |
3201 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3202 | ||
3203 | skb->dev = sdata->dev; | |
9d38d85d | 3204 | |
2eb278e0 | 3205 | if (!need_offchan) { |
7f9f78ab | 3206 | *cookie = (unsigned long) skb; |
f30221e4 | 3207 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3208 | ret = 0; |
3209 | goto out_unlock; | |
f30221e4 JB |
3210 | } |
3211 | ||
6c17b77b SF |
3212 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3213 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
3214 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
3215 | IEEE80211_SKB_CB(skb)->hw_queue = | |
3216 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3217 | |
2eb278e0 | 3218 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3219 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3220 | params->wait, cookie, skb, | |
d339d5ca | 3221 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3222 | if (ret) |
3223 | kfree_skb(skb); | |
3224 | out_unlock: | |
3225 | mutex_unlock(&local->mtx); | |
3226 | return ret; | |
026331c4 JM |
3227 | } |
3228 | ||
f30221e4 | 3229 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3230 | struct wireless_dev *wdev, |
f30221e4 JB |
3231 | u64 cookie) |
3232 | { | |
71bbc994 | 3233 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3234 | |
2eb278e0 | 3235 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3236 | } |
3237 | ||
7be5086d | 3238 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3239 | struct wireless_dev *wdev, |
7be5086d JB |
3240 | u16 frame_type, bool reg) |
3241 | { | |
3242 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3243 | ||
6abe0563 | 3244 | switch (frame_type) { |
6abe0563 WH |
3245 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3246 | if (reg) | |
3247 | local->probe_req_reg++; | |
3248 | else | |
3249 | local->probe_req_reg--; | |
7be5086d | 3250 | |
35f5149e FF |
3251 | if (!local->open_count) |
3252 | break; | |
3253 | ||
6abe0563 WH |
3254 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3255 | break; | |
3256 | default: | |
3257 | break; | |
3258 | } | |
7be5086d JB |
3259 | } |
3260 | ||
15d96753 BR |
3261 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3262 | { | |
3263 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3264 | ||
3265 | if (local->started) | |
3266 | return -EOPNOTSUPP; | |
3267 | ||
3268 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3269 | } | |
3270 | ||
3271 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3272 | { | |
3273 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3274 | ||
3275 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3276 | } | |
3277 | ||
c68f4b89 JB |
3278 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3279 | struct net_device *dev, | |
3280 | struct cfg80211_gtk_rekey_data *data) | |
3281 | { | |
3282 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3283 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3284 | ||
3285 | if (!local->ops->set_rekey_data) | |
3286 | return -EOPNOTSUPP; | |
3287 | ||
3288 | drv_set_rekey_data(local, sdata, data); | |
3289 | ||
3290 | return 0; | |
3291 | } | |
3292 | ||
06500736 JB |
3293 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3294 | const u8 *peer, u64 *cookie) | |
3295 | { | |
3296 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3297 | struct ieee80211_local *local = sdata->local; | |
3298 | struct ieee80211_qos_hdr *nullfunc; | |
3299 | struct sk_buff *skb; | |
3300 | int size = sizeof(*nullfunc); | |
3301 | __le16 fc; | |
3302 | bool qos; | |
3303 | struct ieee80211_tx_info *info; | |
3304 | struct sta_info *sta; | |
55de908a JB |
3305 | struct ieee80211_chanctx_conf *chanctx_conf; |
3306 | enum ieee80211_band band; | |
06500736 JB |
3307 | |
3308 | rcu_read_lock(); | |
55de908a JB |
3309 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3310 | if (WARN_ON(!chanctx_conf)) { | |
3311 | rcu_read_unlock(); | |
3312 | return -EINVAL; | |
3313 | } | |
4bf88530 | 3314 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3315 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3316 | if (sta) { |
06500736 | 3317 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3318 | } else { |
3319 | rcu_read_unlock(); | |
06500736 | 3320 | return -ENOLINK; |
b4487c2d | 3321 | } |
06500736 JB |
3322 | |
3323 | if (qos) { | |
3324 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3325 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3326 | IEEE80211_FCTL_FROMDS); | |
3327 | } else { | |
3328 | size -= 2; | |
3329 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3330 | IEEE80211_STYPE_NULLFUNC | | |
3331 | IEEE80211_FCTL_FROMDS); | |
3332 | } | |
3333 | ||
3334 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3335 | if (!skb) { |
3336 | rcu_read_unlock(); | |
06500736 | 3337 | return -ENOMEM; |
55de908a | 3338 | } |
06500736 JB |
3339 | |
3340 | skb->dev = dev; | |
3341 | ||
3342 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3343 | ||
3344 | nullfunc = (void *) skb_put(skb, size); | |
3345 | nullfunc->frame_control = fc; | |
3346 | nullfunc->duration_id = 0; | |
3347 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3348 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3349 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3350 | nullfunc->seq_ctrl = 0; | |
3351 | ||
3352 | info = IEEE80211_SKB_CB(skb); | |
3353 | ||
3354 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3355 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3356 | ||
3357 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3358 | skb->priority = 7; | |
3359 | if (qos) | |
3360 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3361 | ||
3362 | local_bh_disable(); | |
55de908a | 3363 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3364 | local_bh_enable(); |
55de908a | 3365 | rcu_read_unlock(); |
06500736 JB |
3366 | |
3367 | *cookie = (unsigned long) skb; | |
3368 | return 0; | |
3369 | } | |
3370 | ||
683b6d3b JB |
3371 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3372 | struct wireless_dev *wdev, | |
3373 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3374 | { |
55de908a | 3375 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3376 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3377 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3378 | int ret = -ENODATA; |
55de908a JB |
3379 | |
3380 | rcu_read_lock(); | |
feda3027 JB |
3381 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3382 | if (chanctx_conf) { | |
3383 | *chandef = chanctx_conf->def; | |
3384 | ret = 0; | |
3385 | } else if (local->open_count > 0 && | |
3386 | local->open_count == local->monitors && | |
3387 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3388 | if (local->use_chanctx) | |
3389 | *chandef = local->monitor_chandef; | |
3390 | else | |
675a0b04 | 3391 | *chandef = local->_oper_chandef; |
683b6d3b | 3392 | ret = 0; |
55de908a JB |
3393 | } |
3394 | rcu_read_unlock(); | |
5b7ccaf3 | 3395 | |
683b6d3b | 3396 | return ret; |
5b7ccaf3 JB |
3397 | } |
3398 | ||
6d52563f JB |
3399 | #ifdef CONFIG_PM |
3400 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3401 | { | |
3402 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3403 | } | |
3404 | #endif | |
3405 | ||
32db6b54 KP |
3406 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3407 | struct net_device *dev, | |
3408 | struct cfg80211_qos_map *qos_map) | |
3409 | { | |
3410 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3411 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3412 | ||
3413 | if (qos_map) { | |
3414 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3415 | if (!new_qos_map) | |
3416 | return -ENOMEM; | |
3417 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3418 | } else { | |
3419 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3420 | new_qos_map = NULL; | |
3421 | } | |
3422 | ||
194ff52d | 3423 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3424 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3425 | if (old_qos_map) | |
3426 | kfree_rcu(old_qos_map, rcu_head); | |
3427 | ||
3428 | return 0; | |
3429 | } | |
3430 | ||
3b1700bd JM |
3431 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3432 | struct net_device *dev, | |
3433 | struct cfg80211_chan_def *chandef) | |
3434 | { | |
3435 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3436 | int ret; | |
3437 | u32 changed = 0; | |
3438 | ||
3439 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3440 | if (ret == 0) | |
3441 | ieee80211_bss_info_change_notify(sdata, changed); | |
3442 | ||
3443 | return ret; | |
3444 | } | |
3445 | ||
8a47cea7 | 3446 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3447 | .add_virtual_intf = ieee80211_add_iface, |
3448 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3449 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3450 | .start_p2p_device = ieee80211_start_p2p_device, |
3451 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3452 | .add_key = ieee80211_add_key, |
3453 | .del_key = ieee80211_del_key, | |
62da92fb | 3454 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3455 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3456 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3457 | .start_ap = ieee80211_start_ap, |
3458 | .change_beacon = ieee80211_change_beacon, | |
3459 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3460 | .add_station = ieee80211_add_station, |
3461 | .del_station = ieee80211_del_station, | |
3462 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3463 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3464 | .dump_station = ieee80211_dump_station, |
1289723e | 3465 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3466 | #ifdef CONFIG_MAC80211_MESH |
3467 | .add_mpath = ieee80211_add_mpath, | |
3468 | .del_mpath = ieee80211_del_mpath, | |
3469 | .change_mpath = ieee80211_change_mpath, | |
3470 | .get_mpath = ieee80211_get_mpath, | |
3471 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3472 | .update_mesh_config = ieee80211_update_mesh_config, |
3473 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3474 | .join_mesh = ieee80211_join_mesh, |
3475 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3476 | #endif |
9f1ba906 | 3477 | .change_bss = ieee80211_change_bss, |
31888487 | 3478 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3479 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3480 | .suspend = ieee80211_suspend, |
3481 | .resume = ieee80211_resume, | |
2a519311 | 3482 | .scan = ieee80211_scan, |
79f460ca LC |
3483 | .sched_scan_start = ieee80211_sched_scan_start, |
3484 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3485 | .auth = ieee80211_auth, |
3486 | .assoc = ieee80211_assoc, | |
3487 | .deauth = ieee80211_deauth, | |
3488 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3489 | .join_ibss = ieee80211_join_ibss, |
3490 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3491 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3492 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3493 | .set_tx_power = ieee80211_set_tx_power, |
3494 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3495 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3496 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3497 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3498 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3499 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3500 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3501 | .remain_on_channel = ieee80211_remain_on_channel, |
3502 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3503 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3504 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3505 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3506 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3507 | .set_antenna = ieee80211_set_antenna, |
3508 | .get_antenna = ieee80211_get_antenna, | |
c68f4b89 | 3509 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3510 | .tdls_oper = ieee80211_tdls_oper, |
3511 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3512 | .probe_client = ieee80211_probe_client, |
b53be792 | 3513 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3514 | #ifdef CONFIG_PM |
3515 | .set_wakeup = ieee80211_set_wakeup, | |
3516 | #endif | |
5b7ccaf3 | 3517 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3518 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3519 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3520 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3521 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
f0706e82 | 3522 | }; |