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Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
dfe018bf | 15 | #include <linux/if_ether.h> |
f0706e82 JB |
16 | #include <net/cfg80211.h> |
17 | #include "ieee80211_i.h" | |
24487981 | 18 | #include "driver-ops.h" |
e0eb6859 | 19 | #include "cfg.h" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
c5dd9c2b | 22 | |
552bff0c JB |
23 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, |
24 | const char *name, | |
84efbb84 JB |
25 | enum nl80211_iftype type, |
26 | u32 *flags, | |
27 | struct vif_params *params) | |
f0706e82 JB |
28 | { |
29 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 30 | struct wireless_dev *wdev; |
8cc9a739 MW |
31 | struct ieee80211_sub_if_data *sdata; |
32 | int err; | |
f0706e82 | 33 | |
84efbb84 | 34 | err = ieee80211_if_add(local, name, &wdev, type, params); |
f9e10ce4 JB |
35 | if (err) |
36 | return ERR_PTR(err); | |
8cc9a739 | 37 | |
f9e10ce4 | 38 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 39 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
40 | sdata->u.mntr_flags = *flags; |
41 | } | |
42 | ||
84efbb84 | 43 | return wdev; |
f0706e82 JB |
44 | } |
45 | ||
84efbb84 | 46 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 47 | { |
84efbb84 | 48 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 49 | |
75636525 | 50 | return 0; |
f0706e82 JB |
51 | } |
52 | ||
e36d56b6 JB |
53 | static int ieee80211_change_iface(struct wiphy *wiphy, |
54 | struct net_device *dev, | |
2ec600d6 LCC |
55 | enum nl80211_iftype type, u32 *flags, |
56 | struct vif_params *params) | |
42613db7 | 57 | { |
9607e6b6 | 58 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 59 | int ret; |
42613db7 | 60 | |
05c914fe | 61 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
62 | if (ret) |
63 | return ret; | |
42613db7 | 64 | |
9bc383de JB |
65 | if (type == NL80211_IFTYPE_AP_VLAN && |
66 | params && params->use_4addr == 0) | |
a9b3cd7f | 67 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
68 | else if (type == NL80211_IFTYPE_STATION && |
69 | params && params->use_4addr >= 0) | |
70 | sdata->u.mgd.use_4addr = params->use_4addr; | |
71 | ||
85416a4f CL |
72 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
73 | struct ieee80211_local *local = sdata->local; | |
74 | ||
75 | if (ieee80211_sdata_running(sdata)) { | |
31eba5bc FF |
76 | u32 mask = MONITOR_FLAG_COOK_FRAMES | |
77 | MONITOR_FLAG_ACTIVE; | |
78 | ||
85416a4f | 79 | /* |
31eba5bc FF |
80 | * Prohibit MONITOR_FLAG_COOK_FRAMES and |
81 | * MONITOR_FLAG_ACTIVE to be changed while the | |
82 | * interface is up. | |
85416a4f CL |
83 | * Else we would need to add a lot of cruft |
84 | * to update everything: | |
85 | * cooked_mntrs, monitor and all fif_* counters | |
86 | * reconfigure hardware | |
87 | */ | |
31eba5bc | 88 | if ((*flags & mask) != (sdata->u.mntr_flags & mask)) |
85416a4f CL |
89 | return -EBUSY; |
90 | ||
91 | ieee80211_adjust_monitor_flags(sdata, -1); | |
92 | sdata->u.mntr_flags = *flags; | |
93 | ieee80211_adjust_monitor_flags(sdata, 1); | |
94 | ||
95 | ieee80211_configure_filter(local); | |
96 | } else { | |
97 | /* | |
98 | * Because the interface is down, ieee80211_do_stop | |
99 | * and ieee80211_do_open take care of "everything" | |
100 | * mentioned in the comment above. | |
101 | */ | |
102 | sdata->u.mntr_flags = *flags; | |
103 | } | |
104 | } | |
f7917af9 | 105 | |
42613db7 JB |
106 | return 0; |
107 | } | |
108 | ||
f142c6b9 JB |
109 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
110 | struct wireless_dev *wdev) | |
111 | { | |
b6a55015 LC |
112 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
113 | int ret; | |
114 | ||
115 | mutex_lock(&sdata->local->chanctx_mtx); | |
116 | ret = ieee80211_check_combinations(sdata, NULL, 0, 0); | |
117 | mutex_unlock(&sdata->local->chanctx_mtx); | |
118 | if (ret < 0) | |
119 | return ret; | |
120 | ||
f142c6b9 JB |
121 | return ieee80211_do_open(wdev, true); |
122 | } | |
123 | ||
124 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
125 | struct wireless_dev *wdev) | |
126 | { | |
127 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
128 | } | |
129 | ||
b53be792 SW |
130 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
131 | struct net_device *dev, | |
132 | u16 noack_map) | |
133 | { | |
134 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
135 | ||
136 | sdata->noack_map = noack_map; | |
137 | return 0; | |
138 | } | |
139 | ||
e8cbb4cb | 140 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 141 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
142 | struct key_params *params) |
143 | { | |
26a58456 | 144 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 145 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 146 | struct sta_info *sta = NULL; |
2475b1cc | 147 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 148 | struct ieee80211_key *key; |
3b96766f | 149 | int err; |
e8cbb4cb | 150 | |
26a58456 | 151 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
152 | return -ENETDOWN; |
153 | ||
97359d12 | 154 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
155 | switch (params->cipher) { |
156 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 157 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 158 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 159 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 160 | return -EINVAL; |
3cfcf6ac | 161 | break; |
2475b1cc MS |
162 | case WLAN_CIPHER_SUITE_CCMP: |
163 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
164 | case WLAN_CIPHER_SUITE_GCMP: | |
165 | break; | |
e8cbb4cb | 166 | default: |
2475b1cc | 167 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 168 | break; |
e8cbb4cb JB |
169 | } |
170 | ||
97359d12 | 171 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
172 | params->key, params->seq_len, params->seq, |
173 | cs); | |
1ac62ba7 BH |
174 | if (IS_ERR(key)) |
175 | return PTR_ERR(key); | |
db4d1169 | 176 | |
e31b8213 JB |
177 | if (pairwise) |
178 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
179 | ||
2475b1cc | 180 | mutex_lock(&local->sta_mtx); |
3b96766f | 181 | |
e8cbb4cb | 182 | if (mac_addr) { |
ff973af7 TP |
183 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
184 | sta = sta_info_get(sdata, mac_addr); | |
185 | else | |
186 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
187 | /* |
188 | * The ASSOC test makes sure the driver is ready to | |
189 | * receive the key. When wpa_supplicant has roamed | |
190 | * using FT, it attempts to set the key before | |
191 | * association has completed, this rejects that attempt | |
192 | * so it will set the key again after assocation. | |
193 | * | |
194 | * TODO: accept the key if we have a station entry and | |
195 | * add it to the device after the station. | |
196 | */ | |
197 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 198 | ieee80211_key_free_unused(key); |
3b96766f JB |
199 | err = -ENOENT; |
200 | goto out_unlock; | |
db4d1169 | 201 | } |
e8cbb4cb JB |
202 | } |
203 | ||
e548c49e JB |
204 | switch (sdata->vif.type) { |
205 | case NL80211_IFTYPE_STATION: | |
206 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
207 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
208 | break; | |
209 | case NL80211_IFTYPE_AP: | |
210 | case NL80211_IFTYPE_AP_VLAN: | |
211 | /* Keys without a station are used for TX only */ | |
212 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
213 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
214 | break; | |
215 | case NL80211_IFTYPE_ADHOC: | |
216 | /* no MFP (yet) */ | |
217 | break; | |
218 | case NL80211_IFTYPE_MESH_POINT: | |
219 | #ifdef CONFIG_MAC80211_MESH | |
220 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
221 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
222 | break; | |
223 | #endif | |
224 | case NL80211_IFTYPE_WDS: | |
225 | case NL80211_IFTYPE_MONITOR: | |
226 | case NL80211_IFTYPE_P2P_DEVICE: | |
227 | case NL80211_IFTYPE_UNSPECIFIED: | |
228 | case NUM_NL80211_IFTYPES: | |
229 | case NL80211_IFTYPE_P2P_CLIENT: | |
230 | case NL80211_IFTYPE_P2P_GO: | |
231 | /* shouldn't happen */ | |
232 | WARN_ON_ONCE(1); | |
233 | break; | |
234 | } | |
235 | ||
2475b1cc MS |
236 | if (sta) |
237 | sta->cipher_scheme = cs; | |
238 | ||
3ffc2a90 | 239 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 240 | |
3b96766f | 241 | out_unlock: |
2475b1cc | 242 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
243 | |
244 | return err; | |
e8cbb4cb JB |
245 | } |
246 | ||
247 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 248 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 249 | { |
5c0c3641 JB |
250 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
251 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 252 | struct sta_info *sta; |
5c0c3641 | 253 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
254 | int ret; |
255 | ||
5c0c3641 JB |
256 | mutex_lock(&local->sta_mtx); |
257 | mutex_lock(&local->key_mtx); | |
3b96766f | 258 | |
e8cbb4cb | 259 | if (mac_addr) { |
3b96766f JB |
260 | ret = -ENOENT; |
261 | ||
0e5ded5a | 262 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 263 | if (!sta) |
3b96766f | 264 | goto out_unlock; |
e8cbb4cb | 265 | |
5c0c3641 | 266 | if (pairwise) |
2475b1cc | 267 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 268 | else |
40b275b6 | 269 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 270 | } else |
40b275b6 | 271 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 272 | |
5c0c3641 | 273 | if (!key) { |
3b96766f JB |
274 | ret = -ENOENT; |
275 | goto out_unlock; | |
276 | } | |
e8cbb4cb | 277 | |
3b8d9c29 | 278 | ieee80211_key_free(key, true); |
e8cbb4cb | 279 | |
3b96766f JB |
280 | ret = 0; |
281 | out_unlock: | |
5c0c3641 JB |
282 | mutex_unlock(&local->key_mtx); |
283 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
284 | |
285 | return ret; | |
e8cbb4cb JB |
286 | } |
287 | ||
62da92fb | 288 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
289 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
290 | void *cookie, | |
62da92fb JB |
291 | void (*callback)(void *cookie, |
292 | struct key_params *params)) | |
293 | { | |
14db74bc | 294 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
295 | struct sta_info *sta = NULL; |
296 | u8 seq[6] = {0}; | |
297 | struct key_params params; | |
e31b8213 | 298 | struct ieee80211_key *key = NULL; |
aba83a0b | 299 | u64 pn64; |
62da92fb JB |
300 | u32 iv32; |
301 | u16 iv16; | |
302 | int err = -ENOENT; | |
303 | ||
14db74bc JB |
304 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
305 | ||
3b96766f JB |
306 | rcu_read_lock(); |
307 | ||
62da92fb | 308 | if (mac_addr) { |
0e5ded5a | 309 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
310 | if (!sta) |
311 | goto out; | |
312 | ||
354e159d | 313 | if (pairwise && key_idx < NUM_DEFAULT_KEYS) |
2475b1cc | 314 | key = rcu_dereference(sta->ptk[key_idx]); |
31f1f4ec MS |
315 | else if (!pairwise && |
316 | key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) | |
a3836e02 | 317 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 318 | } else |
a3836e02 | 319 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
320 | |
321 | if (!key) | |
322 | goto out; | |
323 | ||
324 | memset(¶ms, 0, sizeof(params)); | |
325 | ||
97359d12 | 326 | params.cipher = key->conf.cipher; |
62da92fb | 327 | |
97359d12 JB |
328 | switch (key->conf.cipher) { |
329 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
330 | iv32 = key->u.tkip.tx.iv32; |
331 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 332 | |
24487981 JB |
333 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
334 | drv_get_tkip_seq(sdata->local, | |
335 | key->conf.hw_key_idx, | |
336 | &iv32, &iv16); | |
62da92fb JB |
337 | |
338 | seq[0] = iv16 & 0xff; | |
339 | seq[1] = (iv16 >> 8) & 0xff; | |
340 | seq[2] = iv32 & 0xff; | |
341 | seq[3] = (iv32 >> 8) & 0xff; | |
342 | seq[4] = (iv32 >> 16) & 0xff; | |
343 | seq[5] = (iv32 >> 24) & 0xff; | |
344 | params.seq = seq; | |
345 | params.seq_len = 6; | |
346 | break; | |
97359d12 | 347 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
348 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
349 | seq[0] = pn64; | |
350 | seq[1] = pn64 >> 8; | |
351 | seq[2] = pn64 >> 16; | |
352 | seq[3] = pn64 >> 24; | |
353 | seq[4] = pn64 >> 32; | |
354 | seq[5] = pn64 >> 40; | |
62da92fb JB |
355 | params.seq = seq; |
356 | params.seq_len = 6; | |
357 | break; | |
97359d12 | 358 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
359 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
360 | seq[0] = pn64; | |
361 | seq[1] = pn64 >> 8; | |
362 | seq[2] = pn64 >> 16; | |
363 | seq[3] = pn64 >> 24; | |
364 | seq[4] = pn64 >> 32; | |
365 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
366 | params.seq = seq; |
367 | params.seq_len = 6; | |
368 | break; | |
62da92fb JB |
369 | } |
370 | ||
371 | params.key = key->conf.key; | |
372 | params.key_len = key->conf.keylen; | |
373 | ||
374 | callback(cookie, ¶ms); | |
375 | err = 0; | |
376 | ||
377 | out: | |
3b96766f | 378 | rcu_read_unlock(); |
62da92fb JB |
379 | return err; |
380 | } | |
381 | ||
e8cbb4cb JB |
382 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
383 | struct net_device *dev, | |
dbd2fd65 JB |
384 | u8 key_idx, bool uni, |
385 | bool multi) | |
e8cbb4cb | 386 | { |
ad0e2b5a | 387 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 388 | |
f7e0104c | 389 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
390 | |
391 | return 0; | |
392 | } | |
393 | ||
3cfcf6ac JM |
394 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
395 | struct net_device *dev, | |
396 | u8 key_idx) | |
397 | { | |
66c52421 | 398 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 399 | |
3cfcf6ac JM |
400 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
401 | ||
3cfcf6ac JM |
402 | return 0; |
403 | } | |
404 | ||
6b62bf32 TP |
405 | void sta_set_rate_info_tx(struct sta_info *sta, |
406 | const struct ieee80211_tx_rate *rate, | |
407 | struct rate_info *rinfo) | |
408 | { | |
409 | rinfo->flags = 0; | |
8bc83c24 | 410 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 411 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
412 | rinfo->mcs = rate->idx; |
413 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
414 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
415 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
416 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
417 | } else { | |
418 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
419 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
420 | u16 brate; | |
421 | ||
8bc83c24 JB |
422 | sband = sta->local->hw.wiphy->bands[ |
423 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
424 | brate = sband->bitrates[rate->idx].bitrate; |
425 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 426 | } |
6b62bf32 TP |
427 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
428 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
429 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
430 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
431 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
432 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
433 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
434 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
435 | } |
436 | ||
003e676a S |
437 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
438 | { | |
439 | rinfo->flags = 0; | |
440 | ||
441 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
442 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
443 | rinfo->mcs = sta->last_rx_rate_idx; | |
444 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
445 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
446 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
447 | rinfo->mcs = sta->last_rx_rate_idx; | |
448 | } else { | |
449 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
450 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
451 | u16 brate; | |
003e676a S |
452 | |
453 | sband = sta->local->hw.wiphy->bands[ | |
454 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
455 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
456 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
003e676a S |
457 | } |
458 | ||
459 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
460 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
461 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
462 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
1b8d242a | 463 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) |
003e676a | 464 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; |
1b8d242a | 465 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ) |
003e676a | 466 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; |
1b8d242a | 467 | if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) |
003e676a S |
468 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; |
469 | } | |
470 | ||
c5dd9c2b LCC |
471 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
472 | { | |
d0709a65 | 473 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 474 | struct ieee80211_local *local = sdata->local; |
cca674d4 | 475 | struct rate_control_ref *ref = local->rate_ctrl; |
ebe27c91 | 476 | struct timespec uptime; |
560d2682 | 477 | u64 packets = 0; |
cca674d4 | 478 | u32 thr = 0; |
ef0621e8 | 479 | int i, ac; |
c5dd9c2b | 480 | |
f5ea9120 JB |
481 | sinfo->generation = sdata->local->sta_generation; |
482 | ||
c5dd9c2b | 483 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
560d2682 JB |
484 | STATION_INFO_RX_BYTES64 | |
485 | STATION_INFO_TX_BYTES64 | | |
98c8a60a JM |
486 | STATION_INFO_RX_PACKETS | |
487 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
488 | STATION_INFO_TX_RETRIES | |
489 | STATION_INFO_TX_FAILED | | |
5a5c731a | 490 | STATION_INFO_TX_BITRATE | |
3af6334c | 491 | STATION_INFO_RX_BITRATE | |
f4263c98 | 492 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 493 | STATION_INFO_BSS_PARAM | |
7a724767 | 494 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
495 | STATION_INFO_STA_FLAGS | |
496 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
497 | |
498 | do_posix_clock_monotonic_gettime(&uptime); | |
499 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
500 | |
501 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
560d2682 JB |
502 | sinfo->tx_bytes = 0; |
503 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
504 | sinfo->tx_bytes += sta->tx_bytes[ac]; | |
505 | packets += sta->tx_packets[ac]; | |
506 | } | |
507 | sinfo->tx_packets = packets; | |
c5dd9c2b | 508 | sinfo->rx_bytes = sta->rx_bytes; |
98c8a60a | 509 | sinfo->rx_packets = sta->rx_packets; |
b206b4ef BR |
510 | sinfo->tx_retries = sta->tx_retry_count; |
511 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 512 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 513 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 514 | |
19deffbe JL |
515 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
516 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 517 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
518 | if (!local->ops->get_rssi || |
519 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
520 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 521 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab | 522 | } |
ef0621e8 FF |
523 | if (sta->chains) { |
524 | sinfo->filled |= STATION_INFO_CHAIN_SIGNAL | | |
525 | STATION_INFO_CHAIN_SIGNAL_AVG; | |
526 | ||
527 | sinfo->chains = sta->chains; | |
528 | for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { | |
529 | sinfo->chain_signal[i] = sta->chain_signal_last[i]; | |
530 | sinfo->chain_signal_avg[i] = | |
531 | (s8) -ewma_read(&sta->chain_signal_avg[i]); | |
532 | } | |
533 | } | |
420e7fab | 534 | |
6b62bf32 | 535 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
003e676a | 536 | sta_set_rate_info_rx(sta, &sinfo->rxrate); |
420e7fab | 537 | |
902acc78 | 538 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 539 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
540 | sinfo->filled |= STATION_INFO_LLID | |
541 | STATION_INFO_PLID | | |
3f52b7e3 MP |
542 | STATION_INFO_PLINK_STATE | |
543 | STATION_INFO_LOCAL_PM | | |
544 | STATION_INFO_PEER_PM | | |
545 | STATION_INFO_NONPEER_PM; | |
c5dd9c2b | 546 | |
6f101ef0 CYY |
547 | sinfo->llid = sta->llid; |
548 | sinfo->plid = sta->plid; | |
c5dd9c2b | 549 | sinfo->plink_state = sta->plink_state; |
d299a1f2 JC |
550 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
551 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
552 | sinfo->t_offset = sta->t_offset; | |
553 | } | |
3f52b7e3 MP |
554 | sinfo->local_pm = sta->local_pm; |
555 | sinfo->peer_pm = sta->peer_pm; | |
556 | sinfo->nonpeer_pm = sta->nonpeer_pm; | |
c5dd9c2b | 557 | #endif |
902acc78 | 558 | } |
f4263c98 PS |
559 | |
560 | sinfo->bss_param.flags = 0; | |
561 | if (sdata->vif.bss_conf.use_cts_prot) | |
562 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
563 | if (sdata->vif.bss_conf.use_short_preamble) | |
564 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
565 | if (sdata->vif.bss_conf.use_short_slot) | |
566 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
567 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
568 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
569 | |
570 | sinfo->sta_flags.set = 0; | |
571 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
572 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
573 | BIT(NL80211_STA_FLAG_WME) | | |
574 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 | 575 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
d582cffb | 576 | BIT(NL80211_STA_FLAG_ASSOCIATED) | |
e4121562 | 577 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
7a724767 HS |
578 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
579 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
580 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
581 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
582 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
583 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
584 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
585 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
586 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
587 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
d582cffb JB |
588 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
589 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
e4121562 HS |
590 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
591 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
cca674d4 AQ |
592 | |
593 | /* check if the driver has a SW RC implementation */ | |
594 | if (ref && ref->ops->get_expected_throughput) | |
595 | thr = ref->ops->get_expected_throughput(sta->rate_ctrl_priv); | |
596 | else | |
597 | thr = drv_get_expected_throughput(local, &sta->sta); | |
598 | ||
599 | if (thr != 0) { | |
600 | sinfo->filled |= STATION_INFO_EXPECTED_THROUGHPUT; | |
601 | sinfo->expected_throughput = thr; | |
602 | } | |
c5dd9c2b LCC |
603 | } |
604 | ||
b1ab7925 BG |
605 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
606 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
607 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
608 | "tx_packets", "tx_bytes", "tx_fragments", | |
609 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
610 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
611 | "channel", "noise", "ch_time", "ch_time_busy", | |
612 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
613 | }; |
614 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
615 | ||
616 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
617 | struct net_device *dev, | |
618 | int sset) | |
619 | { | |
e352114f BG |
620 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
621 | int rv = 0; | |
622 | ||
b1ab7925 | 623 | if (sset == ETH_SS_STATS) |
e352114f BG |
624 | rv += STA_STATS_LEN; |
625 | ||
626 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 627 | |
e352114f BG |
628 | if (rv == 0) |
629 | return -EOPNOTSUPP; | |
630 | return rv; | |
b1ab7925 BG |
631 | } |
632 | ||
633 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
634 | struct net_device *dev, | |
635 | struct ethtool_stats *stats, | |
636 | u64 *data) | |
637 | { | |
638 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
639 | struct ieee80211_chanctx_conf *chanctx_conf; |
640 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
641 | struct sta_info *sta; |
642 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
643 | struct station_info sinfo; |
644 | struct survey_info survey; | |
645 | int i, q; | |
646 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
647 | |
648 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
649 | ||
650 | #define ADD_STA_STATS(sta) \ | |
651 | do { \ | |
652 | data[i++] += sta->rx_packets; \ | |
653 | data[i++] += sta->rx_bytes; \ | |
654 | data[i++] += sta->wep_weak_iv_count; \ | |
655 | data[i++] += sta->num_duplicates; \ | |
656 | data[i++] += sta->rx_fragments; \ | |
657 | data[i++] += sta->rx_dropped; \ | |
658 | \ | |
560d2682 JB |
659 | data[i++] += sinfo.tx_packets; \ |
660 | data[i++] += sinfo.tx_bytes; \ | |
b1ab7925 BG |
661 | data[i++] += sta->tx_fragments; \ |
662 | data[i++] += sta->tx_filtered_count; \ | |
663 | data[i++] += sta->tx_retry_failed; \ | |
664 | data[i++] += sta->tx_retry_count; \ | |
665 | data[i++] += sta->beacon_loss_count; \ | |
666 | } while (0) | |
667 | ||
668 | /* For Managed stations, find the single station based on BSSID | |
669 | * and use that. For interface types, iterate through all available | |
670 | * stations and add stats for any station that is assigned to this | |
671 | * network device. | |
672 | */ | |
673 | ||
66572cfc | 674 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
675 | |
676 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
677 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
678 | |
679 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
680 | goto do_survey; | |
681 | ||
560d2682 JB |
682 | sinfo.filled = 0; |
683 | sta_set_sinfo(sta, &sinfo); | |
684 | ||
3073a7c2 BG |
685 | i = 0; |
686 | ADD_STA_STATS(sta); | |
687 | ||
688 | data[i++] = sta->sta_state; | |
689 | ||
3073a7c2 | 690 | |
5204267d | 691 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
692 | data[i] = 100000 * |
693 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
694 | i++; | |
5204267d | 695 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
696 | data[i] = 100000 * |
697 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
698 | i++; | |
699 | ||
5204267d | 700 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
701 | data[i] = (u8)sinfo.signal_avg; |
702 | i++; | |
b1ab7925 | 703 | } else { |
66572cfc | 704 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
705 | /* Make sure this station belongs to the proper dev */ |
706 | if (sta->sdata->dev != dev) | |
707 | continue; | |
708 | ||
e13bae4f JB |
709 | sinfo.filled = 0; |
710 | sta_set_sinfo(sta, &sinfo); | |
b1ab7925 BG |
711 | i = 0; |
712 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
713 | } |
714 | } | |
715 | ||
3073a7c2 BG |
716 | do_survey: |
717 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
718 | /* Get survey stats for current channel */ | |
55de908a | 719 | survey.filled = 0; |
3073a7c2 | 720 | |
55de908a JB |
721 | rcu_read_lock(); |
722 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
723 | if (chanctx_conf) | |
4bf88530 | 724 | channel = chanctx_conf->def.chan; |
55de908a JB |
725 | else |
726 | channel = NULL; | |
727 | rcu_read_unlock(); | |
728 | ||
729 | if (channel) { | |
730 | q = 0; | |
731 | do { | |
732 | survey.filled = 0; | |
733 | if (drv_get_survey(local, q, &survey) != 0) { | |
734 | survey.filled = 0; | |
735 | break; | |
736 | } | |
737 | q++; | |
738 | } while (channel != survey.channel); | |
3073a7c2 BG |
739 | } |
740 | ||
741 | if (survey.filled) | |
742 | data[i++] = survey.channel->center_freq; | |
743 | else | |
744 | data[i++] = 0; | |
745 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
746 | data[i++] = (u8)survey.noise; | |
747 | else | |
748 | data[i++] = -1LL; | |
749 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
750 | data[i++] = survey.channel_time; | |
751 | else | |
752 | data[i++] = -1LL; | |
753 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
754 | data[i++] = survey.channel_time_busy; | |
755 | else | |
756 | data[i++] = -1LL; | |
757 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
758 | data[i++] = survey.channel_time_ext_busy; | |
759 | else | |
760 | data[i++] = -1LL; | |
761 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
762 | data[i++] = survey.channel_time_rx; | |
763 | else | |
764 | data[i++] = -1LL; | |
765 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
766 | data[i++] = survey.channel_time_tx; | |
767 | else | |
768 | data[i++] = -1LL; | |
769 | ||
66572cfc | 770 | mutex_unlock(&local->sta_mtx); |
e352114f | 771 | |
3073a7c2 BG |
772 | if (WARN_ON(i != STA_STATS_LEN)) |
773 | return; | |
774 | ||
e352114f | 775 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
776 | } |
777 | ||
778 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
779 | struct net_device *dev, | |
780 | u32 sset, u8 *data) | |
781 | { | |
e352114f BG |
782 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
783 | int sz_sta_stats = 0; | |
784 | ||
b1ab7925 | 785 | if (sset == ETH_SS_STATS) { |
e352114f | 786 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
bd500af2 | 787 | memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats); |
b1ab7925 | 788 | } |
e352114f | 789 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 790 | } |
c5dd9c2b LCC |
791 | |
792 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 793 | int idx, u8 *mac, struct station_info *sinfo) |
c5dd9c2b | 794 | { |
3b53fde8 | 795 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 796 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 797 | struct sta_info *sta; |
d0709a65 JB |
798 | int ret = -ENOENT; |
799 | ||
66572cfc | 800 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 801 | |
3b53fde8 | 802 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
803 | if (sta) { |
804 | ret = 0; | |
17741cdc | 805 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
806 | sta_set_sinfo(sta, sinfo); |
807 | } | |
c5dd9c2b | 808 | |
66572cfc | 809 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 810 | |
d0709a65 | 811 | return ret; |
c5dd9c2b LCC |
812 | } |
813 | ||
1289723e HS |
814 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
815 | int idx, struct survey_info *survey) | |
816 | { | |
817 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
818 | ||
1289723e HS |
819 | return drv_get_survey(local, idx, survey); |
820 | } | |
821 | ||
7bbdd2d9 | 822 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
3b3a0162 | 823 | const u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 824 | { |
abe60632 | 825 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 826 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 827 | struct sta_info *sta; |
d0709a65 | 828 | int ret = -ENOENT; |
7bbdd2d9 | 829 | |
66572cfc | 830 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 831 | |
0e5ded5a | 832 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
833 | if (sta) { |
834 | ret = 0; | |
835 | sta_set_sinfo(sta, sinfo); | |
836 | } | |
837 | ||
66572cfc | 838 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
839 | |
840 | return ret; | |
7bbdd2d9 JB |
841 | } |
842 | ||
55de908a | 843 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 844 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
845 | { |
846 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
847 | struct ieee80211_sub_if_data *sdata; |
848 | int ret = 0; | |
3d9e6e12 | 849 | |
4bf88530 | 850 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 851 | return 0; |
3d9e6e12 | 852 | |
34a3740d | 853 | mutex_lock(&local->mtx); |
55de908a JB |
854 | mutex_lock(&local->iflist_mtx); |
855 | if (local->use_chanctx) { | |
856 | sdata = rcu_dereference_protected( | |
857 | local->monitor_sdata, | |
858 | lockdep_is_held(&local->iflist_mtx)); | |
859 | if (sdata) { | |
860 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 861 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
862 | IEEE80211_CHANCTX_EXCLUSIVE); |
863 | } | |
864 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 865 | local->_oper_chandef = *chandef; |
55de908a JB |
866 | ieee80211_hw_config(local, 0); |
867 | } | |
3d9e6e12 | 868 | |
4bf88530 JB |
869 | if (ret == 0) |
870 | local->monitor_chandef = *chandef; | |
55de908a | 871 | mutex_unlock(&local->iflist_mtx); |
34a3740d | 872 | mutex_unlock(&local->mtx); |
3d9e6e12 | 873 | |
55de908a | 874 | return ret; |
e8c9bd5b JB |
875 | } |
876 | ||
02945821 | 877 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 878 | const u8 *resp, size_t resp_len) |
02945821 | 879 | { |
aa7a0080 | 880 | struct probe_resp *new, *old; |
02945821 AN |
881 | |
882 | if (!resp || !resp_len) | |
aba4e6ff | 883 | return 1; |
02945821 | 884 | |
7ca133bc | 885 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 886 | |
aa7a0080 | 887 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
888 | if (!new) |
889 | return -ENOMEM; | |
890 | ||
aa7a0080 ES |
891 | new->len = resp_len; |
892 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
893 | |
894 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
895 | if (old) |
896 | kfree_rcu(old, rcu_head); | |
02945821 AN |
897 | |
898 | return 0; | |
899 | } | |
900 | ||
0ae07968 LC |
901 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
902 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
903 | { |
904 | struct beacon_data *new, *old; | |
905 | int new_head_len, new_tail_len; | |
8860020e JB |
906 | int size, err; |
907 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 908 | |
7ca133bc SW |
909 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
910 | ||
5dfdaf58 | 911 | |
5dfdaf58 JB |
912 | /* Need to have a beacon head if we don't have one yet */ |
913 | if (!params->head && !old) | |
8860020e | 914 | return -EINVAL; |
5dfdaf58 JB |
915 | |
916 | /* new or old head? */ | |
917 | if (params->head) | |
918 | new_head_len = params->head_len; | |
919 | else | |
920 | new_head_len = old->head_len; | |
921 | ||
922 | /* new or old tail? */ | |
923 | if (params->tail || !old) | |
924 | /* params->tail_len will be zero for !params->tail */ | |
925 | new_tail_len = params->tail_len; | |
926 | else | |
927 | new_tail_len = old->tail_len; | |
928 | ||
929 | size = sizeof(*new) + new_head_len + new_tail_len; | |
930 | ||
931 | new = kzalloc(size, GFP_KERNEL); | |
932 | if (!new) | |
933 | return -ENOMEM; | |
934 | ||
935 | /* start filling the new info now */ | |
936 | ||
5dfdaf58 JB |
937 | /* |
938 | * pointers go into the block we allocated, | |
939 | * memory is | beacon_data | head | tail | | |
940 | */ | |
941 | new->head = ((u8 *) new) + sizeof(*new); | |
942 | new->tail = new->head + new_head_len; | |
943 | new->head_len = new_head_len; | |
944 | new->tail_len = new_tail_len; | |
945 | ||
946 | /* copy in head */ | |
947 | if (params->head) | |
948 | memcpy(new->head, params->head, new_head_len); | |
949 | else | |
950 | memcpy(new->head, old->head, new_head_len); | |
951 | ||
952 | /* copy in optional tail */ | |
953 | if (params->tail) | |
954 | memcpy(new->tail, params->tail, new_tail_len); | |
955 | else | |
956 | if (old) | |
957 | memcpy(new->tail, old->tail, new_tail_len); | |
958 | ||
02945821 AN |
959 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
960 | params->probe_resp_len); | |
8860020e JB |
961 | if (err < 0) |
962 | return err; | |
963 | if (err == 0) | |
02945821 AN |
964 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
965 | ||
8860020e JB |
966 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
967 | ||
968 | if (old) | |
969 | kfree_rcu(old, rcu_head); | |
7827493b | 970 | |
8860020e | 971 | return changed; |
5dfdaf58 JB |
972 | } |
973 | ||
8860020e JB |
974 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
975 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 976 | { |
8860020e | 977 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
34a3740d | 978 | struct ieee80211_local *local = sdata->local; |
5dfdaf58 | 979 | struct beacon_data *old; |
665c93a9 | 980 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
981 | u32 changed = BSS_CHANGED_BEACON_INT | |
982 | BSS_CHANGED_BEACON_ENABLED | | |
983 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
984 | BSS_CHANGED_SSID | |
985 | BSS_CHANGED_P2P_PS; | |
8860020e | 986 | int err; |
14db74bc | 987 | |
7ca133bc | 988 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
989 | if (old) |
990 | return -EALREADY; | |
991 | ||
04ecd257 JB |
992 | /* TODO: make hostapd tell us what it wants */ |
993 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
994 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
995 | ||
34a3740d | 996 | mutex_lock(&local->mtx); |
4bf88530 | 997 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 998 | IEEE80211_CHANCTX_SHARED); |
4e141dad MK |
999 | if (!err) |
1000 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); | |
34a3740d | 1001 | mutex_unlock(&local->mtx); |
aa430da4 JB |
1002 | if (err) |
1003 | return err; | |
1004 | ||
665c93a9 JB |
1005 | /* |
1006 | * Apply control port protocol, this allows us to | |
1007 | * not encrypt dynamic WEP control frames. | |
1008 | */ | |
1009 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
1010 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
1011 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
1012 | ¶ms->crypto, | |
1013 | sdata->vif.type); | |
1014 | ||
665c93a9 JB |
1015 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
1016 | vlan->control_port_protocol = | |
1017 | params->crypto.control_port_ethertype; | |
1018 | vlan->control_port_no_encrypt = | |
1019 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
1020 | vlan->encrypt_headroom = |
1021 | ieee80211_cs_headroom(sdata->local, | |
1022 | ¶ms->crypto, | |
1023 | vlan->vif.type); | |
665c93a9 JB |
1024 | } |
1025 | ||
8860020e JB |
1026 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
1027 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 1028 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
1029 | |
1030 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
1031 | if (params->ssid_len) | |
1032 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
1033 | params->ssid_len); | |
1034 | sdata->vif.bss_conf.hidden_ssid = | |
1035 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
1036 | ||
67baf663 JD |
1037 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
1038 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
1039 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
1040 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1041 | if (params->p2p_opp_ps) | |
1042 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1043 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 1044 | |
8860020e | 1045 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); |
0297ea17 EG |
1046 | if (err < 0) { |
1047 | ieee80211_vif_release_channel(sdata); | |
8860020e | 1048 | return err; |
0297ea17 | 1049 | } |
8860020e JB |
1050 | changed |= err; |
1051 | ||
1041638f JB |
1052 | err = drv_start_ap(sdata->local, sdata); |
1053 | if (err) { | |
7ca133bc SW |
1054 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
1055 | ||
1041638f JB |
1056 | if (old) |
1057 | kfree_rcu(old, rcu_head); | |
1058 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
0297ea17 | 1059 | ieee80211_vif_release_channel(sdata); |
1041638f JB |
1060 | return err; |
1061 | } | |
1062 | ||
057d5f4b | 1063 | ieee80211_recalc_dtim(local, sdata); |
8860020e JB |
1064 | ieee80211_bss_info_change_notify(sdata, changed); |
1065 | ||
3edaf3e6 JB |
1066 | netif_carrier_on(dev); |
1067 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
1068 | netif_carrier_on(vlan->dev); | |
1069 | ||
665c93a9 | 1070 | return 0; |
5dfdaf58 JB |
1071 | } |
1072 | ||
8860020e JB |
1073 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
1074 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 1075 | { |
14db74bc | 1076 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 1077 | struct beacon_data *old; |
8860020e | 1078 | int err; |
5dfdaf58 | 1079 | |
14db74bc | 1080 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
dbd72850 | 1081 | sdata_assert_lock(sdata); |
14db74bc | 1082 | |
73da7d5b SW |
1083 | /* don't allow changing the beacon while CSA is in place - offset |
1084 | * of channel switch counter may change | |
1085 | */ | |
1086 | if (sdata->vif.csa_active) | |
1087 | return -EBUSY; | |
1088 | ||
7ca133bc | 1089 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
1090 | if (!old) |
1091 | return -ENOENT; | |
1092 | ||
8860020e JB |
1093 | err = ieee80211_assign_beacon(sdata, params); |
1094 | if (err < 0) | |
1095 | return err; | |
1096 | ieee80211_bss_info_change_notify(sdata, err); | |
1097 | return 0; | |
5dfdaf58 JB |
1098 | } |
1099 | ||
59af6928 MK |
1100 | bool ieee80211_csa_needs_block_tx(struct ieee80211_local *local) |
1101 | { | |
1102 | struct ieee80211_sub_if_data *sdata; | |
1103 | ||
1104 | lockdep_assert_held(&local->mtx); | |
1105 | ||
1106 | rcu_read_lock(); | |
1107 | list_for_each_entry_rcu(sdata, &local->interfaces, list) { | |
1108 | if (!ieee80211_sdata_running(sdata)) | |
1109 | continue; | |
1110 | ||
1111 | if (!sdata->vif.csa_active) | |
1112 | continue; | |
1113 | ||
1114 | if (!sdata->csa_block_tx) | |
1115 | continue; | |
1116 | ||
1117 | rcu_read_unlock(); | |
1118 | return true; | |
1119 | } | |
1120 | rcu_read_unlock(); | |
1121 | ||
1122 | return false; | |
1123 | } | |
1124 | ||
8860020e | 1125 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1126 | { |
7b20b8e8 JB |
1127 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1128 | struct ieee80211_sub_if_data *vlan; | |
1129 | struct ieee80211_local *local = sdata->local; | |
1130 | struct beacon_data *old_beacon; | |
1131 | struct probe_resp *old_probe_resp; | |
d2859df5 | 1132 | struct cfg80211_chan_def chandef; |
14db74bc | 1133 | |
dbd72850 MK |
1134 | sdata_assert_lock(sdata); |
1135 | ||
7ca133bc | 1136 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 1137 | if (!old_beacon) |
5dfdaf58 | 1138 | return -ENOENT; |
7ca133bc | 1139 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 1140 | |
73da7d5b | 1141 | /* abort any running channel switch */ |
59af6928 | 1142 | mutex_lock(&local->mtx); |
73da7d5b | 1143 | sdata->vif.csa_active = false; |
59af6928 MK |
1144 | if (!ieee80211_csa_needs_block_tx(local)) |
1145 | ieee80211_wake_queues_by_reason(&local->hw, | |
1146 | IEEE80211_MAX_QUEUE_MAP, | |
1147 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
1148 | mutex_unlock(&local->mtx); | |
1149 | ||
1f3b8a2b SW |
1150 | kfree(sdata->u.ap.next_beacon); |
1151 | sdata->u.ap.next_beacon = NULL; | |
1152 | ||
7b20b8e8 | 1153 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1154 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1155 | netif_carrier_off(vlan->dev); | |
1156 | netif_carrier_off(dev); | |
1157 | ||
7b20b8e8 | 1158 | /* remove beacon and probe response */ |
a9b3cd7f | 1159 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1160 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1161 | kfree_rcu(old_beacon, rcu_head); | |
1162 | if (old_probe_resp) | |
1163 | kfree_rcu(old_probe_resp, rcu_head); | |
8ffcc704 | 1164 | sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; |
8860020e | 1165 | |
e716251d | 1166 | __sta_info_flush(sdata, true); |
7907c7d3 | 1167 | ieee80211_free_keys(sdata, true); |
75de9113 | 1168 | |
d6a83228 | 1169 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 1170 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 1171 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 1172 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1173 | |
a6b368f6 | 1174 | if (sdata->wdev.cac_started) { |
d2859df5 | 1175 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 1176 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
1177 | cfg80211_cac_event(sdata->dev, &chandef, |
1178 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
1179 | GFP_KERNEL); |
1180 | } | |
1181 | ||
1041638f JB |
1182 | drv_stop_ap(sdata->local, sdata); |
1183 | ||
7b20b8e8 JB |
1184 | /* free all potentially still buffered bcast frames */ |
1185 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
1186 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
1187 | ||
34a3740d | 1188 | mutex_lock(&local->mtx); |
4e141dad | 1189 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a | 1190 | ieee80211_vif_release_channel(sdata); |
34a3740d | 1191 | mutex_unlock(&local->mtx); |
55de908a | 1192 | |
2d0ddec5 | 1193 | return 0; |
5dfdaf58 JB |
1194 | } |
1195 | ||
4fd6931e JB |
1196 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1197 | struct iapp_layer2_update { | |
1198 | u8 da[ETH_ALEN]; /* broadcast */ | |
1199 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1200 | __be16 len; /* 6 */ | |
1201 | u8 dsap; /* 0 */ | |
1202 | u8 ssap; /* 0 */ | |
1203 | u8 control; | |
1204 | u8 xid_info[3]; | |
bc10502d | 1205 | } __packed; |
4fd6931e JB |
1206 | |
1207 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1208 | { | |
1209 | struct iapp_layer2_update *msg; | |
1210 | struct sk_buff *skb; | |
1211 | ||
1212 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1213 | * bridge devices */ | |
1214 | ||
1215 | skb = dev_alloc_skb(sizeof(*msg)); | |
1216 | if (!skb) | |
1217 | return; | |
1218 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1219 | ||
1220 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1221 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1222 | ||
e83e6541 | 1223 | eth_broadcast_addr(msg->da); |
17741cdc | 1224 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1225 | msg->len = htons(6); |
1226 | msg->dsap = 0; | |
1227 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1228 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1229 | * F=0 (no poll command; unsolicited frame) */ | |
1230 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1231 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1232 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1233 | ||
d0709a65 JB |
1234 | skb->dev = sta->sdata->dev; |
1235 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1236 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1237 | netif_rx_ni(skb); |
4fd6931e JB |
1238 | } |
1239 | ||
d582cffb JB |
1240 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1241 | struct sta_info *sta, | |
1242 | u32 mask, u32 set) | |
1243 | { | |
1244 | int ret; | |
1245 | ||
1246 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1247 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1248 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1249 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1250 | if (ret) | |
1251 | return ret; | |
1252 | } | |
1253 | ||
1254 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1255 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1256 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1257 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1258 | if (ret) | |
1259 | return ret; | |
1260 | } | |
1261 | ||
1262 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1263 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1264 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1265 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1266 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1267 | else | |
1268 | ret = 0; | |
1269 | if (ret) | |
1270 | return ret; | |
1271 | } | |
1272 | ||
1273 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1274 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1275 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1276 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1277 | if (ret) | |
1278 | return ret; | |
1279 | } | |
1280 | ||
1281 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1282 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1283 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1284 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1285 | if (ret) | |
1286 | return ret; | |
1287 | } | |
1288 | ||
1289 | return 0; | |
1290 | } | |
1291 | ||
d9a7ddb0 JB |
1292 | static int sta_apply_parameters(struct ieee80211_local *local, |
1293 | struct sta_info *sta, | |
1294 | struct station_parameters *params) | |
4fd6931e | 1295 | { |
d9a7ddb0 | 1296 | int ret = 0; |
8318d78a | 1297 | struct ieee80211_supported_band *sband; |
d0709a65 | 1298 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1299 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1300 | u32 mask, set; |
4fd6931e | 1301 | |
55de908a | 1302 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1303 | |
eccb8e8f JB |
1304 | mask = params->sta_flags_mask; |
1305 | set = params->sta_flags_set; | |
73651ee6 | 1306 | |
d582cffb JB |
1307 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1308 | /* | |
1309 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1310 | * API but must follow AUTHENTICATED for driver state. | |
1311 | */ | |
1312 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1313 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1314 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1315 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1316 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1317 | /* | |
1318 | * TDLS -- everything follows authorized, but | |
1319 | * only becoming authorized is possible, not | |
1320 | * going back | |
1321 | */ | |
1322 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1323 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1324 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1325 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1326 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1327 | } | |
eccb8e8f | 1328 | } |
4fd6931e | 1329 | |
d582cffb JB |
1330 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1331 | if (ret) | |
1332 | return ret; | |
d9a7ddb0 | 1333 | |
eccb8e8f | 1334 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1335 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1336 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1337 | else | |
1338 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1339 | } |
4fd6931e | 1340 | |
eccb8e8f | 1341 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1342 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1343 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1344 | sta->sta.wme = true; |
c2c98fde JB |
1345 | } else { |
1346 | clear_sta_flag(sta, WLAN_STA_WME); | |
1347 | sta->sta.wme = false; | |
39df600a | 1348 | } |
eccb8e8f | 1349 | } |
5394af4d | 1350 | |
eccb8e8f | 1351 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1352 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1353 | set_sta_flag(sta, WLAN_STA_MFP); |
1354 | else | |
1355 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1356 | } |
b39c48fa | 1357 | |
07ba55d7 | 1358 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1359 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1360 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1361 | else | |
1362 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1363 | } |
4fd6931e | 1364 | |
3b9ce80c JB |
1365 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1366 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1367 | sta->sta.max_sp = params->max_sp; | |
1368 | } | |
9533b4ac | 1369 | |
51b50fbe JB |
1370 | /* |
1371 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1372 | * only when creating a new station entry | |
1373 | */ | |
1374 | if (params->aid) | |
1375 | sta->sta.aid = params->aid; | |
1376 | ||
73651ee6 | 1377 | /* |
ba23d206 JB |
1378 | * Some of the following updates would be racy if called on an |
1379 | * existing station, via ieee80211_change_station(). However, | |
1380 | * all such changes are rejected by cfg80211 except for updates | |
1381 | * changing the supported rates on an existing but not yet used | |
1382 | * TDLS peer. | |
73651ee6 JB |
1383 | */ |
1384 | ||
4fd6931e JB |
1385 | if (params->listen_interval >= 0) |
1386 | sta->listen_interval = params->listen_interval; | |
1387 | ||
1388 | if (params->supported_rates) { | |
2103dec1 SW |
1389 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1390 | sband, params->supported_rates, | |
1391 | params->supported_rates_len, | |
1392 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1393 | } |
c5dd9c2b | 1394 | |
d9fe60de | 1395 | if (params->ht_capa) |
ef96a842 | 1396 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1397 | params->ht_capa, sta); |
36aedc90 | 1398 | |
f461be3e MP |
1399 | if (params->vht_capa) |
1400 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1401 | params->vht_capa, sta); |
f461be3e | 1402 | |
b1bce14a | 1403 | if (params->opmode_notif_used) { |
b1bce14a MK |
1404 | /* returned value is only needed for rc update, but the |
1405 | * rc isn't initialized here yet, so ignore it | |
1406 | */ | |
1407 | __ieee80211_vht_handle_opmode(sdata, sta, | |
1408 | params->opmode_notif, | |
1409 | band, false); | |
1410 | } | |
1411 | ||
9c3990aa | 1412 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1413 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1414 | u32 changed = 0; |
77ee7c89 JB |
1415 | |
1416 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1417 | switch (params->plink_state) { |
57cf8043 | 1418 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1419 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1420 | changed = mesh_plink_inc_estab_count( | |
1421 | sdata); | |
1422 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1423 | |
1424 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1425 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1426 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1427 | break; |
1428 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1429 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1430 | case NL80211_PLINK_OPN_SNT: |
1431 | case NL80211_PLINK_OPN_RCVD: | |
1432 | case NL80211_PLINK_CNF_RCVD: | |
1433 | case NL80211_PLINK_HOLDING: | |
1434 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1435 | changed = mesh_plink_dec_estab_count( | |
1436 | sdata); | |
9c3990aa | 1437 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1438 | |
1439 | ieee80211_mps_sta_status_update(sta); | |
446075d7 MP |
1440 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1441 | NL80211_MESH_POWER_UNKNOWN); | |
9c3990aa JC |
1442 | break; |
1443 | default: | |
1444 | /* nothing */ | |
1445 | break; | |
1446 | } | |
77ee7c89 JB |
1447 | } |
1448 | ||
1449 | switch (params->plink_action) { | |
1450 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1451 | /* nothing */ | |
1452 | break; | |
1453 | case NL80211_PLINK_ACTION_OPEN: | |
1454 | changed |= mesh_plink_open(sta); | |
1455 | break; | |
1456 | case NL80211_PLINK_ACTION_BLOCK: | |
1457 | changed |= mesh_plink_block(sta); | |
1458 | break; | |
1617bab8 | 1459 | } |
3f52b7e3 MP |
1460 | |
1461 | if (params->local_pm) | |
39886b61 TP |
1462 | changed |= |
1463 | ieee80211_mps_set_sta_local_pm(sta, | |
1464 | params->local_pm); | |
6c751ef8 | 1465 | ieee80211_mbss_info_change_notify(sdata, changed); |
4daf50f2 | 1466 | #endif |
902acc78 | 1467 | } |
d9a7ddb0 JB |
1468 | |
1469 | return 0; | |
4fd6931e JB |
1470 | } |
1471 | ||
1472 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1473 | const u8 *mac, |
1474 | struct station_parameters *params) | |
4fd6931e | 1475 | { |
14db74bc | 1476 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1477 | struct sta_info *sta; |
1478 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1479 | int err; |
b8d476c8 | 1480 | int layer2_update; |
4fd6931e | 1481 | |
4fd6931e JB |
1482 | if (params->vlan) { |
1483 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1484 | ||
05c914fe JB |
1485 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1486 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1487 | return -EINVAL; |
1488 | } else | |
1489 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1490 | ||
b203ca39 | 1491 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1492 | return -EINVAL; |
1493 | ||
1494 | if (is_multicast_ether_addr(mac)) | |
1495 | return -EINVAL; | |
1496 | ||
1497 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1498 | if (!sta) |
1499 | return -ENOMEM; | |
4fd6931e | 1500 | |
d582cffb JB |
1501 | /* |
1502 | * defaults -- if userspace wants something else we'll | |
1503 | * change it accordingly in sta_apply_parameters() | |
1504 | */ | |
77ee7c89 JB |
1505 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1506 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1507 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
0c4972cc AN |
1508 | } else { |
1509 | sta->sta.tdls = true; | |
77ee7c89 | 1510 | } |
4fd6931e | 1511 | |
d9a7ddb0 JB |
1512 | err = sta_apply_parameters(local, sta, params); |
1513 | if (err) { | |
1514 | sta_info_free(local, sta); | |
1515 | return err; | |
1516 | } | |
4fd6931e | 1517 | |
d64cf63e | 1518 | /* |
77ee7c89 JB |
1519 | * for TDLS, rate control should be initialized only when |
1520 | * rates are known and station is marked authorized | |
d64cf63e AN |
1521 | */ |
1522 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1523 | rate_control_rate_init(sta); | |
4fd6931e | 1524 | |
b8d476c8 JM |
1525 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1526 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1527 | ||
34e89507 | 1528 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1529 | if (err) { |
73651ee6 JB |
1530 | rcu_read_unlock(); |
1531 | return err; | |
1532 | } | |
1533 | ||
b8d476c8 | 1534 | if (layer2_update) |
73651ee6 JB |
1535 | ieee80211_send_layer2_update(sta); |
1536 | ||
1537 | rcu_read_unlock(); | |
1538 | ||
4fd6931e JB |
1539 | return 0; |
1540 | } | |
1541 | ||
1542 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1543 | const u8 *mac) |
4fd6931e | 1544 | { |
14db74bc | 1545 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1546 | |
14db74bc JB |
1547 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1548 | ||
34e89507 JB |
1549 | if (mac) |
1550 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1551 | |
b998e8bb | 1552 | sta_info_flush(sdata); |
4fd6931e JB |
1553 | return 0; |
1554 | } | |
1555 | ||
1556 | static int ieee80211_change_station(struct wiphy *wiphy, | |
3b3a0162 | 1557 | struct net_device *dev, const u8 *mac, |
4fd6931e JB |
1558 | struct station_parameters *params) |
1559 | { | |
abe60632 | 1560 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1561 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1562 | struct sta_info *sta; |
1563 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1564 | enum cfg80211_station_type statype; |
35b88623 | 1565 | int err; |
4fd6931e | 1566 | |
87be1e1e | 1567 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1568 | |
0e5ded5a | 1569 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1570 | if (!sta) { |
77ee7c89 JB |
1571 | err = -ENOENT; |
1572 | goto out_err; | |
98dd6a57 | 1573 | } |
4fd6931e | 1574 | |
77ee7c89 JB |
1575 | switch (sdata->vif.type) { |
1576 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1577 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1578 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1579 | else |
eef941e6 | 1580 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1581 | break; |
1582 | case NL80211_IFTYPE_ADHOC: | |
1583 | statype = CFG80211_STA_IBSS; | |
1584 | break; | |
1585 | case NL80211_IFTYPE_STATION: | |
1586 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1587 | statype = CFG80211_STA_AP_STA; | |
1588 | break; | |
1589 | } | |
1590 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1591 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1592 | else | |
1593 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1594 | break; | |
1595 | case NL80211_IFTYPE_AP: | |
1596 | case NL80211_IFTYPE_AP_VLAN: | |
1597 | statype = CFG80211_STA_AP_CLIENT; | |
1598 | break; | |
1599 | default: | |
1600 | err = -EOPNOTSUPP; | |
1601 | goto out_err; | |
bdd90d5e JB |
1602 | } |
1603 | ||
77ee7c89 JB |
1604 | err = cfg80211_check_station_change(wiphy, params, statype); |
1605 | if (err) | |
1606 | goto out_err; | |
1607 | ||
d0709a65 | 1608 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1609 | bool prev_4addr = false; |
1610 | bool new_4addr = false; | |
1611 | ||
4fd6931e JB |
1612 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1613 | ||
9bc383de | 1614 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1615 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1616 | err = -EBUSY; |
1617 | goto out_err; | |
3305443c | 1618 | } |
f14543ee | 1619 | |
cf778b00 | 1620 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1621 | new_4addr = true; |
1622 | } | |
1623 | ||
1624 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1625 | sta->sdata->u.vlan.sta) { | |
0c2bef46 | 1626 | RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); |
7e3ed02c | 1627 | prev_4addr = true; |
f14543ee FF |
1628 | } |
1629 | ||
14db74bc | 1630 | sta->sdata = vlansdata; |
7e3ed02c FF |
1631 | |
1632 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1633 | prev_4addr != new_4addr) { | |
1634 | if (new_4addr) | |
1635 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1636 | else | |
1637 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1638 | } | |
1639 | ||
4fd6931e JB |
1640 | ieee80211_send_layer2_update(sta); |
1641 | } | |
1642 | ||
35b88623 | 1643 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1644 | if (err) |
1645 | goto out_err; | |
4fd6931e | 1646 | |
77ee7c89 JB |
1647 | /* When peer becomes authorized, init rate control as well */ |
1648 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1649 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1650 | rate_control_rate_init(sta); |
1651 | ||
87be1e1e | 1652 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1653 | |
687da132 EG |
1654 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1655 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1656 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1657 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1658 | sta_info_tx_streams(sta) != 1) { | |
1659 | ht_dbg(sta->sdata, | |
1660 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1661 | sta->sta.addr); | |
1662 | ieee80211_send_smps_action(sta->sdata, | |
1663 | sta->sdata->bss->req_smps, | |
1664 | sta->sta.addr, | |
1665 | sta->sdata->vif.bss_conf.bssid); | |
1666 | } | |
1667 | ||
808118cb | 1668 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1669 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1670 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1671 | ieee80211_recalc_ps_vif(sdata); |
1672 | } | |
77ee7c89 | 1673 | |
4fd6931e | 1674 | return 0; |
77ee7c89 JB |
1675 | out_err: |
1676 | mutex_unlock(&local->sta_mtx); | |
1677 | return err; | |
4fd6931e JB |
1678 | } |
1679 | ||
c5dd9c2b LCC |
1680 | #ifdef CONFIG_MAC80211_MESH |
1681 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1682 | const u8 *dst, const u8 *next_hop) |
c5dd9c2b | 1683 | { |
14db74bc | 1684 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1685 | struct mesh_path *mpath; |
1686 | struct sta_info *sta; | |
c5dd9c2b | 1687 | |
14db74bc JB |
1688 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1689 | ||
d0709a65 | 1690 | rcu_read_lock(); |
abe60632 | 1691 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1692 | if (!sta) { |
1693 | rcu_read_unlock(); | |
c5dd9c2b | 1694 | return -ENOENT; |
d0709a65 | 1695 | } |
c5dd9c2b | 1696 | |
ae76eef0 BC |
1697 | mpath = mesh_path_add(sdata, dst); |
1698 | if (IS_ERR(mpath)) { | |
d0709a65 | 1699 | rcu_read_unlock(); |
ae76eef0 | 1700 | return PTR_ERR(mpath); |
d0709a65 | 1701 | } |
c5dd9c2b | 1702 | |
c5dd9c2b | 1703 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1704 | |
c5dd9c2b LCC |
1705 | rcu_read_unlock(); |
1706 | return 0; | |
1707 | } | |
1708 | ||
1709 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 | 1710 | const u8 *dst) |
c5dd9c2b | 1711 | { |
f698d856 JBG |
1712 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1713 | ||
c5dd9c2b | 1714 | if (dst) |
bf7cd94d | 1715 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1716 | |
ece1a2e7 | 1717 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1718 | return 0; |
1719 | } | |
1720 | ||
3b3a0162 JB |
1721 | static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, |
1722 | const u8 *dst, const u8 *next_hop) | |
c5dd9c2b | 1723 | { |
14db74bc | 1724 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1725 | struct mesh_path *mpath; |
1726 | struct sta_info *sta; | |
1727 | ||
14db74bc JB |
1728 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1729 | ||
d0709a65 JB |
1730 | rcu_read_lock(); |
1731 | ||
abe60632 | 1732 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1733 | if (!sta) { |
1734 | rcu_read_unlock(); | |
c5dd9c2b | 1735 | return -ENOENT; |
d0709a65 | 1736 | } |
c5dd9c2b | 1737 | |
bf7cd94d | 1738 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1739 | if (!mpath) { |
1740 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1741 | return -ENOENT; |
1742 | } | |
1743 | ||
1744 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1745 | |
c5dd9c2b LCC |
1746 | rcu_read_unlock(); |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1751 | struct mpath_info *pinfo) | |
1752 | { | |
a3836e02 JB |
1753 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1754 | ||
1755 | if (next_hop_sta) | |
1756 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1757 | else |
1758 | memset(next_hop, 0, ETH_ALEN); | |
1759 | ||
7ce8c7a3 LAYS |
1760 | memset(pinfo, 0, sizeof(*pinfo)); |
1761 | ||
f5ea9120 JB |
1762 | pinfo->generation = mesh_paths_generation; |
1763 | ||
c5dd9c2b | 1764 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1765 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1766 | MPATH_INFO_METRIC | |
1767 | MPATH_INFO_EXPTIME | | |
1768 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1769 | MPATH_INFO_DISCOVERY_RETRIES | | |
1770 | MPATH_INFO_FLAGS; | |
1771 | ||
1772 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1773 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1774 | pinfo->metric = mpath->metric; |
1775 | if (time_before(jiffies, mpath->exp_time)) | |
1776 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1777 | pinfo->discovery_timeout = | |
1778 | jiffies_to_msecs(mpath->discovery_timeout); | |
1779 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1780 | if (mpath->flags & MESH_PATH_ACTIVE) |
1781 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1782 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1783 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1784 | if (mpath->flags & MESH_PATH_SN_VALID) |
1785 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1786 | if (mpath->flags & MESH_PATH_FIXED) |
1787 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1788 | if (mpath->flags & MESH_PATH_RESOLVED) |
1789 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1790 | } |
1791 | ||
1792 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1793 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1794 | ||
1795 | { | |
14db74bc | 1796 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1797 | struct mesh_path *mpath; |
1798 | ||
14db74bc JB |
1799 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1800 | ||
c5dd9c2b | 1801 | rcu_read_lock(); |
bf7cd94d | 1802 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1803 | if (!mpath) { |
1804 | rcu_read_unlock(); | |
1805 | return -ENOENT; | |
1806 | } | |
1807 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1808 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1809 | rcu_read_unlock(); | |
1810 | return 0; | |
1811 | } | |
1812 | ||
1813 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
3b3a0162 JB |
1814 | int idx, u8 *dst, u8 *next_hop, |
1815 | struct mpath_info *pinfo) | |
c5dd9c2b | 1816 | { |
14db74bc | 1817 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1818 | struct mesh_path *mpath; |
1819 | ||
14db74bc JB |
1820 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1821 | ||
c5dd9c2b | 1822 | rcu_read_lock(); |
bf7cd94d | 1823 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1824 | if (!mpath) { |
1825 | rcu_read_unlock(); | |
1826 | return -ENOENT; | |
1827 | } | |
1828 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1829 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1830 | rcu_read_unlock(); | |
1831 | return 0; | |
1832 | } | |
93da9cc1 | 1833 | |
24bdd9f4 | 1834 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1835 | struct net_device *dev, |
1836 | struct mesh_config *conf) | |
1837 | { | |
1838 | struct ieee80211_sub_if_data *sdata; | |
1839 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1840 | ||
93da9cc1 | 1841 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1842 | return 0; | |
1843 | } | |
1844 | ||
1845 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1846 | { | |
1847 | return (mask >> (parm-1)) & 0x1; | |
1848 | } | |
1849 | ||
c80d545d JC |
1850 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1851 | const struct mesh_setup *setup) | |
1852 | { | |
1853 | u8 *new_ie; | |
1854 | const u8 *old_ie; | |
4bb62344 CYY |
1855 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1856 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1857 | |
581a8b0f | 1858 | /* allocate information elements */ |
c80d545d | 1859 | new_ie = NULL; |
581a8b0f | 1860 | old_ie = ifmsh->ie; |
c80d545d | 1861 | |
581a8b0f JC |
1862 | if (setup->ie_len) { |
1863 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1864 | GFP_KERNEL); |
1865 | if (!new_ie) | |
1866 | return -ENOMEM; | |
1867 | } | |
581a8b0f JC |
1868 | ifmsh->ie_len = setup->ie_len; |
1869 | ifmsh->ie = new_ie; | |
1870 | kfree(old_ie); | |
c80d545d JC |
1871 | |
1872 | /* now copy the rest of the setup parameters */ | |
1873 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1874 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1875 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1876 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1877 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1878 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1879 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1880 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1881 | if (setup->is_authenticated) | |
1882 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1883 | if (setup->is_secure) | |
1884 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1885 | |
4bb62344 CYY |
1886 | /* mcast rate setting in Mesh Node */ |
1887 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1888 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1889 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1890 | |
9bdbf04d MP |
1891 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1892 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1893 | ||
c80d545d JC |
1894 | return 0; |
1895 | } | |
1896 | ||
24bdd9f4 | 1897 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1898 | struct net_device *dev, u32 mask, |
1899 | const struct mesh_config *nconf) | |
93da9cc1 | 1900 | { |
1901 | struct mesh_config *conf; | |
1902 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1903 | struct ieee80211_if_mesh *ifmsh; |
1904 | ||
93da9cc1 | 1905 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1906 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1907 | |
93da9cc1 | 1908 | /* Set the config options which we are interested in setting */ |
1909 | conf = &(sdata->u.mesh.mshcfg); | |
1910 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1911 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1912 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1913 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1914 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1915 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1916 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1917 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1918 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1919 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1920 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1921 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1922 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1923 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1924 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1925 | if (ifmsh->user_mpm) | |
1926 | return -EBUSY; | |
93da9cc1 | 1927 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1928 | } |
d299a1f2 JC |
1929 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1930 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1931 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1932 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1933 | conf->dot11MeshHWMPmaxPREQretries = | |
1934 | nconf->dot11MeshHWMPmaxPREQretries; | |
1935 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1936 | conf->path_refresh_time = nconf->path_refresh_time; | |
1937 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1938 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1939 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1940 | conf->dot11MeshHWMPactivePathTimeout = | |
1941 | nconf->dot11MeshHWMPactivePathTimeout; | |
1942 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1943 | conf->dot11MeshHWMPpreqMinInterval = | |
1944 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1945 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1946 | conf->dot11MeshHWMPperrMinInterval = | |
1947 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1948 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1949 | mask)) | |
1950 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1951 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1952 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1953 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1954 | ieee80211_mesh_root_setup(ifmsh); | |
1955 | } | |
16dd7267 | 1956 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1957 | /* our current gate announcement implementation rides on root |
1958 | * announcements, so require this ifmsh to also be a root node | |
1959 | * */ | |
1960 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1961 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1962 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1963 | ieee80211_mesh_root_setup(ifmsh); |
1964 | } | |
16dd7267 JC |
1965 | conf->dot11MeshGateAnnouncementProtocol = |
1966 | nconf->dot11MeshGateAnnouncementProtocol; | |
1967 | } | |
a4f606ea | 1968 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1969 | conf->dot11MeshHWMPRannInterval = |
1970 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1971 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1972 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1973 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1974 | /* our RSSI threshold implementation is supported only for | |
1975 | * devices that report signal in dBm. | |
1976 | */ | |
1977 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1978 | return -ENOTSUPP; | |
1979 | conf->rssi_threshold = nconf->rssi_threshold; | |
1980 | } | |
70c33eaa AN |
1981 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1982 | conf->ht_opmode = nconf->ht_opmode; | |
1983 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1984 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1985 | } | |
ac1073a6 CYY |
1986 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1987 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1988 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1989 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1990 | conf->dot11MeshHWMProotInterval = | |
1991 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1992 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1993 | conf->dot11MeshHWMPconfirmationInterval = | |
1994 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1995 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1996 | conf->power_mode = nconf->power_mode; | |
1997 | ieee80211_mps_local_status_update(sdata); | |
1998 | } | |
2b5e1967 | 1999 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
2000 | conf->dot11MeshAwakeWindowDuration = |
2001 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
2002 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
2003 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 2004 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 2005 | return 0; |
2006 | } | |
2007 | ||
29cbe68c JB |
2008 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
2009 | const struct mesh_config *conf, | |
2010 | const struct mesh_setup *setup) | |
2011 | { | |
2012 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2013 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 2014 | int err; |
29cbe68c | 2015 | |
c80d545d JC |
2016 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
2017 | err = copy_mesh_setup(ifmsh, setup); | |
2018 | if (err) | |
2019 | return err; | |
cc1d2806 | 2020 | |
04ecd257 JB |
2021 | /* can mesh use other SMPS modes? */ |
2022 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2023 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
2024 | ||
34a3740d | 2025 | mutex_lock(&sdata->local->mtx); |
4bf88530 | 2026 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 2027 | IEEE80211_CHANCTX_SHARED); |
34a3740d | 2028 | mutex_unlock(&sdata->local->mtx); |
cc1d2806 JB |
2029 | if (err) |
2030 | return err; | |
2031 | ||
2b5e1967 | 2032 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
2033 | } |
2034 | ||
2035 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
2036 | { | |
2037 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2038 | ||
2039 | ieee80211_stop_mesh(sdata); | |
34a3740d | 2040 | mutex_lock(&sdata->local->mtx); |
55de908a | 2041 | ieee80211_vif_release_channel(sdata); |
34a3740d | 2042 | mutex_unlock(&sdata->local->mtx); |
29cbe68c JB |
2043 | |
2044 | return 0; | |
2045 | } | |
c5dd9c2b LCC |
2046 | #endif |
2047 | ||
9f1ba906 JM |
2048 | static int ieee80211_change_bss(struct wiphy *wiphy, |
2049 | struct net_device *dev, | |
2050 | struct bss_parameters *params) | |
2051 | { | |
55de908a JB |
2052 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2053 | enum ieee80211_band band; | |
9f1ba906 JM |
2054 | u32 changed = 0; |
2055 | ||
7ca133bc | 2056 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
2057 | return -ENOENT; |
2058 | ||
2059 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 2060 | |
9f1ba906 | 2061 | if (params->use_cts_prot >= 0) { |
bda3933a | 2062 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
2063 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
2064 | } | |
2065 | if (params->use_short_preamble >= 0) { | |
bda3933a | 2066 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
2067 | params->use_short_preamble; |
2068 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
2069 | } | |
43d35343 FF |
2070 | |
2071 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 2072 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
2073 | sdata->vif.bss_conf.use_short_slot = true; |
2074 | changed |= BSS_CHANGED_ERP_SLOT; | |
2075 | } | |
2076 | ||
9f1ba906 | 2077 | if (params->use_short_slot_time >= 0) { |
bda3933a | 2078 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
2079 | params->use_short_slot_time; |
2080 | changed |= BSS_CHANGED_ERP_SLOT; | |
2081 | } | |
2082 | ||
90c97a04 | 2083 | if (params->basic_rates) { |
2103dec1 SW |
2084 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
2085 | wiphy->bands[band], | |
2086 | params->basic_rates, | |
2087 | params->basic_rates_len, | |
2088 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
2089 | changed |= BSS_CHANGED_BASIC_RATES; |
2090 | } | |
2091 | ||
7b7b5e56 FF |
2092 | if (params->ap_isolate >= 0) { |
2093 | if (params->ap_isolate) | |
2094 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2095 | else | |
2096 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2097 | } | |
2098 | ||
80d7e403 HS |
2099 | if (params->ht_opmode >= 0) { |
2100 | sdata->vif.bss_conf.ht_operation_mode = | |
2101 | (u16) params->ht_opmode; | |
2102 | changed |= BSS_CHANGED_HT; | |
2103 | } | |
2104 | ||
339afbf4 | 2105 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
2106 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
2107 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
2108 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2109 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
2110 | changed |= BSS_CHANGED_P2P_PS; |
2111 | } | |
2112 | ||
67baf663 JD |
2113 | if (params->p2p_opp_ps > 0) { |
2114 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2115 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
2116 | changed |= BSS_CHANGED_P2P_PS; | |
2117 | } else if (params->p2p_opp_ps == 0) { | |
2118 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
2119 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
2120 | changed |= BSS_CHANGED_P2P_PS; |
2121 | } | |
2122 | ||
9f1ba906 JM |
2123 | ieee80211_bss_info_change_notify(sdata, changed); |
2124 | ||
2125 | return 0; | |
2126 | } | |
2127 | ||
31888487 | 2128 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 2129 | struct net_device *dev, |
31888487 JM |
2130 | struct ieee80211_txq_params *params) |
2131 | { | |
2132 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 2133 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
2134 | struct ieee80211_tx_queue_params p; |
2135 | ||
2136 | if (!local->ops->conf_tx) | |
2137 | return -EOPNOTSUPP; | |
2138 | ||
54bcbc69 JB |
2139 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2140 | return -EOPNOTSUPP; | |
2141 | ||
31888487 JM |
2142 | memset(&p, 0, sizeof(p)); |
2143 | p.aifs = params->aifs; | |
2144 | p.cw_max = params->cwmax; | |
2145 | p.cw_min = params->cwmin; | |
2146 | p.txop = params->txop; | |
ab13315a KV |
2147 | |
2148 | /* | |
2149 | * Setting tx queue params disables u-apsd because it's only | |
2150 | * called in master mode. | |
2151 | */ | |
2152 | p.uapsd = false; | |
2153 | ||
a3304b0a JB |
2154 | sdata->tx_conf[params->ac] = p; |
2155 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2156 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2157 | "failed to set TX queue parameters for AC %d\n", |
2158 | params->ac); | |
31888487 JM |
2159 | return -EINVAL; |
2160 | } | |
2161 | ||
7d25745d JB |
2162 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2163 | ||
31888487 JM |
2164 | return 0; |
2165 | } | |
2166 | ||
665af4fc | 2167 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2168 | static int ieee80211_suspend(struct wiphy *wiphy, |
2169 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2170 | { |
eecc4800 | 2171 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2172 | } |
2173 | ||
2174 | static int ieee80211_resume(struct wiphy *wiphy) | |
2175 | { | |
2176 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2177 | } | |
2178 | #else | |
2179 | #define ieee80211_suspend NULL | |
2180 | #define ieee80211_resume NULL | |
2181 | #endif | |
2182 | ||
2a519311 | 2183 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2184 | struct cfg80211_scan_request *req) |
2185 | { | |
fd014284 JB |
2186 | struct ieee80211_sub_if_data *sdata; |
2187 | ||
2188 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2189 | |
2ca27bcf JB |
2190 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2191 | case NL80211_IFTYPE_STATION: | |
2192 | case NL80211_IFTYPE_ADHOC: | |
2193 | case NL80211_IFTYPE_MESH_POINT: | |
2194 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2195 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2196 | break; |
2197 | case NL80211_IFTYPE_P2P_GO: | |
2198 | if (sdata->local->ops->hw_scan) | |
2199 | break; | |
e9d7732e JB |
2200 | /* |
2201 | * FIXME: implement NoA while scanning in software, | |
2202 | * for now fall through to allow scanning only when | |
2203 | * beaconing hasn't been configured yet | |
2204 | */ | |
2ca27bcf | 2205 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2206 | /* |
2207 | * If the scan has been forced (and the driver supports | |
2208 | * forcing), don't care about being beaconing already. | |
2209 | * This will create problems to the attached stations (e.g. all | |
2210 | * the frames sent while scanning on other channel will be | |
2211 | * lost) | |
2212 | */ | |
2213 | if (sdata->u.ap.beacon && | |
2214 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2215 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2216 | return -EOPNOTSUPP; |
2217 | break; | |
2218 | default: | |
2219 | return -EOPNOTSUPP; | |
2220 | } | |
2a519311 JB |
2221 | |
2222 | return ieee80211_request_scan(sdata, req); | |
2223 | } | |
2224 | ||
79f460ca LC |
2225 | static int |
2226 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2227 | struct net_device *dev, | |
2228 | struct cfg80211_sched_scan_request *req) | |
2229 | { | |
2230 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2231 | ||
2232 | if (!sdata->local->ops->sched_scan_start) | |
2233 | return -EOPNOTSUPP; | |
2234 | ||
2235 | return ieee80211_request_sched_scan_start(sdata, req); | |
2236 | } | |
2237 | ||
2238 | static int | |
85a9994a | 2239 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2240 | { |
2241 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2242 | ||
2243 | if (!sdata->local->ops->sched_scan_stop) | |
2244 | return -EOPNOTSUPP; | |
2245 | ||
85a9994a | 2246 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2247 | } |
2248 | ||
636a5d36 JM |
2249 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2250 | struct cfg80211_auth_request *req) | |
2251 | { | |
77fdaa12 | 2252 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2253 | } |
2254 | ||
2255 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2256 | struct cfg80211_assoc_request *req) | |
2257 | { | |
77fdaa12 | 2258 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2259 | } |
2260 | ||
2261 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2262 | struct cfg80211_deauth_request *req) |
636a5d36 | 2263 | { |
63c9c5e7 | 2264 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2265 | } |
2266 | ||
2267 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2268 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2269 | { |
63c9c5e7 | 2270 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2271 | } |
2272 | ||
af8cdcd8 JB |
2273 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2274 | struct cfg80211_ibss_params *params) | |
2275 | { | |
55de908a | 2276 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2277 | } |
2278 | ||
2279 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2280 | { | |
55de908a | 2281 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2282 | } |
2283 | ||
391e53e3 AQ |
2284 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2285 | int rate[IEEE80211_NUM_BANDS]) | |
2286 | { | |
2287 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2288 | ||
9887dbf5 CD |
2289 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2290 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2291 | |
2292 | return 0; | |
2293 | } | |
2294 | ||
b9a5f8ca JM |
2295 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2296 | { | |
2297 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2298 | int err; |
b9a5f8ca | 2299 | |
f23a4780 AN |
2300 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2301 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2302 | ||
2303 | if (err) | |
2304 | return err; | |
2305 | } | |
2306 | ||
310bc676 LT |
2307 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
2308 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
2309 | ||
2310 | if (err) | |
2311 | return err; | |
2312 | } | |
2313 | ||
b9a5f8ca | 2314 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2315 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2316 | |
24487981 JB |
2317 | if (err) |
2318 | return err; | |
b9a5f8ca JM |
2319 | } |
2320 | ||
8bc83c24 JB |
2321 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2322 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2323 | return -EINVAL; | |
b9a5f8ca | 2324 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2325 | } |
2326 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2327 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2328 | return -EINVAL; | |
b9a5f8ca | 2329 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2330 | } |
b9a5f8ca JM |
2331 | if (changed & |
2332 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2333 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2334 | ||
2335 | return 0; | |
2336 | } | |
2337 | ||
7643a2c3 | 2338 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2339 | struct wireless_dev *wdev, |
fa61cf70 | 2340 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2341 | { |
2342 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2343 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2344 | |
1ea6f9c0 JB |
2345 | if (wdev) { |
2346 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2347 | ||
2348 | switch (type) { | |
2349 | case NL80211_TX_POWER_AUTOMATIC: | |
2350 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2351 | break; | |
2352 | case NL80211_TX_POWER_LIMITED: | |
2353 | case NL80211_TX_POWER_FIXED: | |
2354 | if (mbm < 0 || (mbm % 100)) | |
2355 | return -EOPNOTSUPP; | |
2356 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2357 | break; | |
2358 | } | |
2359 | ||
2360 | ieee80211_recalc_txpower(sdata); | |
2361 | ||
2362 | return 0; | |
2363 | } | |
55de908a | 2364 | |
7643a2c3 | 2365 | switch (type) { |
fa61cf70 | 2366 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2367 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2368 | break; |
fa61cf70 | 2369 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2370 | case NL80211_TX_POWER_FIXED: |
2371 | if (mbm < 0 || (mbm % 100)) | |
2372 | return -EOPNOTSUPP; | |
fa61cf70 | 2373 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2374 | break; |
7643a2c3 JB |
2375 | } |
2376 | ||
1ea6f9c0 JB |
2377 | mutex_lock(&local->iflist_mtx); |
2378 | list_for_each_entry(sdata, &local->interfaces, list) | |
2379 | sdata->user_power_level = local->user_power_level; | |
2380 | list_for_each_entry(sdata, &local->interfaces, list) | |
2381 | ieee80211_recalc_txpower(sdata); | |
2382 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2383 | |
2384 | return 0; | |
2385 | } | |
2386 | ||
c8442118 JB |
2387 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2388 | struct wireless_dev *wdev, | |
2389 | int *dbm) | |
7643a2c3 JB |
2390 | { |
2391 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2392 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2393 | |
1ea6f9c0 JB |
2394 | if (!local->use_chanctx) |
2395 | *dbm = local->hw.conf.power_level; | |
2396 | else | |
2397 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2398 | |
7643a2c3 JB |
2399 | return 0; |
2400 | } | |
2401 | ||
ab737a4f | 2402 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2403 | const u8 *addr) |
ab737a4f JB |
2404 | { |
2405 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2406 | ||
2407 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2408 | ||
2409 | return 0; | |
2410 | } | |
2411 | ||
1f87f7d3 JB |
2412 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2413 | { | |
2414 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2415 | ||
2416 | drv_rfkill_poll(local); | |
2417 | } | |
2418 | ||
aff89a9b | 2419 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2420 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2421 | struct wireless_dev *wdev, | |
2422 | void *data, int len) | |
aff89a9b JB |
2423 | { |
2424 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2425 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2426 | |
2427 | if (!local->ops->testmode_cmd) | |
2428 | return -EOPNOTSUPP; | |
2429 | ||
52981cd7 DS |
2430 | if (wdev) { |
2431 | struct ieee80211_sub_if_data *sdata; | |
2432 | ||
2433 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2434 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2435 | vif = &sdata->vif; | |
2436 | } | |
2437 | ||
2438 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2439 | } |
71063f0e WYG |
2440 | |
2441 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2442 | struct sk_buff *skb, | |
2443 | struct netlink_callback *cb, | |
2444 | void *data, int len) | |
2445 | { | |
2446 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2447 | ||
2448 | if (!local->ops->testmode_dump) | |
2449 | return -EOPNOTSUPP; | |
2450 | ||
2451 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2452 | } | |
aff89a9b JB |
2453 | #endif |
2454 | ||
687da132 EG |
2455 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2456 | enum ieee80211_smps_mode smps_mode) | |
2457 | { | |
2458 | struct sta_info *sta; | |
2459 | enum ieee80211_smps_mode old_req; | |
2460 | int i; | |
2461 | ||
2462 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2463 | return -EINVAL; | |
2464 | ||
2465 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2466 | return 0; | |
2467 | ||
2468 | old_req = sdata->u.ap.req_smps; | |
2469 | sdata->u.ap.req_smps = smps_mode; | |
2470 | ||
2471 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2472 | if (old_req == smps_mode || | |
2473 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2474 | return 0; | |
2475 | ||
2476 | /* If no associated stations, there's no need to do anything */ | |
2477 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2478 | sdata->smps_mode = smps_mode; | |
2479 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2480 | return 0; | |
2481 | } | |
2482 | ||
2483 | ht_dbg(sdata, | |
2484 | "SMSP %d requested in AP mode, sending Action frame to %d stations\n", | |
2485 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); | |
2486 | ||
2487 | mutex_lock(&sdata->local->sta_mtx); | |
2488 | for (i = 0; i < STA_HASH_SIZE; i++) { | |
2489 | for (sta = rcu_dereference_protected(sdata->local->sta_hash[i], | |
2490 | lockdep_is_held(&sdata->local->sta_mtx)); | |
2491 | sta; | |
2492 | sta = rcu_dereference_protected(sta->hnext, | |
2493 | lockdep_is_held(&sdata->local->sta_mtx))) { | |
2494 | /* | |
2495 | * Only stations associated to our AP and | |
2496 | * associated VLANs | |
2497 | */ | |
2498 | if (sta->sdata->bss != &sdata->u.ap) | |
2499 | continue; | |
2500 | ||
2501 | /* This station doesn't support MIMO - skip it */ | |
2502 | if (sta_info_tx_streams(sta) == 1) | |
2503 | continue; | |
2504 | ||
2505 | /* | |
2506 | * Don't wake up a STA just to send the action frame | |
2507 | * unless we are getting more restrictive. | |
2508 | */ | |
2509 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2510 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2511 | smps_mode)) { | |
2512 | ht_dbg(sdata, | |
2513 | "Won't send SMPS to sleeping STA %pM\n", | |
2514 | sta->sta.addr); | |
2515 | continue; | |
2516 | } | |
2517 | ||
2518 | /* | |
2519 | * If the STA is not authorized, wait until it gets | |
2520 | * authorized and the action frame will be sent then. | |
2521 | */ | |
2522 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2523 | continue; | |
2524 | ||
2525 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); | |
2526 | ieee80211_send_smps_action(sdata, smps_mode, | |
2527 | sta->sta.addr, | |
2528 | sdata->vif.bss_conf.bssid); | |
2529 | } | |
2530 | } | |
2531 | mutex_unlock(&sdata->local->sta_mtx); | |
2532 | ||
2533 | sdata->smps_mode = smps_mode; | |
2534 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2535 | ||
2536 | return 0; | |
2537 | } | |
2538 | ||
2539 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2540 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2541 | { |
2542 | const u8 *ap; | |
2543 | enum ieee80211_smps_mode old_req; | |
2544 | int err; | |
2545 | ||
8d61ffa5 | 2546 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2547 | |
687da132 EG |
2548 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2549 | return -EINVAL; | |
2550 | ||
0f78231b JB |
2551 | old_req = sdata->u.mgd.req_smps; |
2552 | sdata->u.mgd.req_smps = smps_mode; | |
2553 | ||
2554 | if (old_req == smps_mode && | |
2555 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2556 | return 0; | |
2557 | ||
2558 | /* | |
2559 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2560 | * association, there's no need to do anything, just store |
2561 | * the new value until we associate. | |
0f78231b JB |
2562 | */ |
2563 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2564 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2565 | return 0; |
0f78231b | 2566 | |
0c1ad2ca | 2567 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2568 | |
2569 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2570 | if (sdata->u.mgd.powersave) | |
2571 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2572 | else | |
2573 | smps_mode = IEEE80211_SMPS_OFF; | |
2574 | } | |
2575 | ||
2576 | /* send SM PS frame to AP */ | |
2577 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2578 | ap, ap); | |
2579 | if (err) | |
2580 | sdata->u.mgd.req_smps = old_req; | |
2581 | ||
2582 | return err; | |
2583 | } | |
2584 | ||
bc92afd9 JB |
2585 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2586 | bool enabled, int timeout) | |
2587 | { | |
2588 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2589 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2590 | |
2d3db210 | 2591 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2592 | return -EOPNOTSUPP; |
2593 | ||
bc92afd9 JB |
2594 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2595 | return -EOPNOTSUPP; | |
2596 | ||
2597 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2598 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2599 | return 0; |
2600 | ||
2601 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2602 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2603 | |
0f78231b | 2604 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2605 | sdata_lock(sdata); |
687da132 | 2606 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2607 | sdata_unlock(sdata); |
0f78231b | 2608 | |
bc92afd9 JB |
2609 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2610 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2611 | ||
2612 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2613 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2614 | |
2615 | return 0; | |
2616 | } | |
2617 | ||
a97c13c3 JO |
2618 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2619 | struct net_device *dev, | |
2620 | s32 rssi_thold, u32 rssi_hyst) | |
2621 | { | |
2622 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2623 | struct ieee80211_vif *vif = &sdata->vif; |
2624 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2625 | ||
a97c13c3 JO |
2626 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2627 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2628 | return 0; | |
2629 | ||
2630 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2631 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2632 | ||
2633 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2634 | if (sdata->u.mgd.associated && |
2635 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2636 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2637 | ||
2638 | return 0; | |
2639 | } | |
2640 | ||
9930380f JB |
2641 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2642 | struct net_device *dev, | |
2643 | const u8 *addr, | |
2644 | const struct cfg80211_bitrate_mask *mask) | |
2645 | { | |
2646 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2647 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2648 | int i, ret; |
2c7e6bc9 | 2649 | |
554a43d5 EP |
2650 | if (!ieee80211_sdata_running(sdata)) |
2651 | return -ENETDOWN; | |
2652 | ||
bdbfd6b5 SM |
2653 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2654 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2655 | if (ret) | |
2656 | return ret; | |
2657 | } | |
9930380f | 2658 | |
19468413 | 2659 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2660 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2661 | int j; | |
2662 | ||
37eb0b16 | 2663 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2664 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2665 | sizeof(mask->control[i].ht_mcs)); | |
2ffbe6d3 FF |
2666 | |
2667 | sdata->rc_has_mcs_mask[i] = false; | |
2668 | if (!sband) | |
2669 | continue; | |
2670 | ||
2671 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) | |
2672 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { | |
2673 | sdata->rc_has_mcs_mask[i] = true; | |
2674 | break; | |
2675 | } | |
19468413 | 2676 | } |
9930380f | 2677 | |
37eb0b16 | 2678 | return 0; |
9930380f JB |
2679 | } |
2680 | ||
2eb278e0 JB |
2681 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2682 | struct ieee80211_sub_if_data *sdata, | |
2683 | struct ieee80211_channel *channel, | |
2eb278e0 | 2684 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2685 | struct sk_buff *txskb, |
2686 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2687 | { |
2688 | struct ieee80211_roc_work *roc, *tmp; | |
2689 | bool queued = false; | |
21f83589 | 2690 | int ret; |
21f83589 JB |
2691 | |
2692 | lockdep_assert_held(&local->mtx); | |
2693 | ||
fe57d9f5 JB |
2694 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2695 | return -EOPNOTSUPP; | |
2696 | ||
2eb278e0 JB |
2697 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2698 | if (!roc) | |
2699 | return -ENOMEM; | |
2700 | ||
2fae062e IP |
2701 | /* |
2702 | * If the duration is zero, then the driver | |
2703 | * wouldn't actually do anything. Set it to | |
2704 | * 10 for now. | |
2705 | * | |
2706 | * TODO: cancel the off-channel operation | |
2707 | * when we get the SKB's TX status and | |
2708 | * the wait time was zero before. | |
2709 | */ | |
2710 | if (!duration) | |
2711 | duration = 10; | |
2712 | ||
2eb278e0 | 2713 | roc->chan = channel; |
2eb278e0 JB |
2714 | roc->duration = duration; |
2715 | roc->req_duration = duration; | |
2716 | roc->frame = txskb; | |
d339d5ca | 2717 | roc->type = type; |
2eb278e0 JB |
2718 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2719 | roc->sdata = sdata; | |
2720 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2721 | INIT_LIST_HEAD(&roc->dependents); | |
2722 | ||
2f617435 EP |
2723 | /* |
2724 | * cookie is either the roc cookie (for normal roc) | |
2725 | * or the SKB (for mgmt TX) | |
2726 | */ | |
2727 | if (!txskb) { | |
2728 | /* local->mtx protects this */ | |
2729 | local->roc_cookie_counter++; | |
2730 | roc->cookie = local->roc_cookie_counter; | |
2731 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2732 | if (WARN_ON(roc->cookie == 0)) { | |
2733 | roc->cookie = 1; | |
2734 | local->roc_cookie_counter++; | |
2735 | } | |
2736 | *cookie = roc->cookie; | |
2737 | } else { | |
2738 | *cookie = (unsigned long)txskb; | |
2739 | } | |
2740 | ||
2eb278e0 | 2741 | /* if there's one pending or we're scanning, queue this one */ |
164eb02d SW |
2742 | if (!list_empty(&local->roc_list) || |
2743 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2744 | goto out_check_combine; |
2745 | ||
2746 | /* if not HW assist, just queue & schedule work */ | |
2747 | if (!local->ops->remain_on_channel) { | |
2748 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2749 | goto out_queue; | |
2750 | } | |
2751 | ||
2752 | /* otherwise actually kick it off here (for error handling) */ | |
2753 | ||
d339d5ca | 2754 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2755 | if (ret) { |
2eb278e0 JB |
2756 | kfree(roc); |
2757 | return ret; | |
21f83589 JB |
2758 | } |
2759 | ||
2eb278e0 JB |
2760 | roc->started = true; |
2761 | goto out_queue; | |
2762 | ||
2763 | out_check_combine: | |
2764 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2765 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2766 | continue; |
2767 | ||
2768 | /* | |
2769 | * Extend this ROC if possible: | |
2770 | * | |
2771 | * If it hasn't started yet, just increase the duration | |
2772 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2773 | * If the type of the new ROC has higher priority, modify the |
2774 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2775 | */ |
2776 | if (!tmp->started) { | |
2777 | list_add_tail(&roc->list, &tmp->dependents); | |
2778 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2779 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2780 | queued = true; |
2781 | break; | |
2782 | } | |
2783 | ||
2784 | /* If it has already started, it's more difficult ... */ | |
2785 | if (local->ops->remain_on_channel) { | |
2786 | unsigned long j = jiffies; | |
2787 | ||
2788 | /* | |
2789 | * In the offloaded ROC case, if it hasn't begun, add | |
2790 | * this new one to the dependent list to be handled | |
d339d5ca | 2791 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2792 | * check that there's still a minimum time left and |
2793 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2794 | * add it to the list directly after this one with |
2eb278e0 JB |
2795 | * a reduced time so we'll ask the driver to execute |
2796 | * it right after finishing the previous one, in the | |
2797 | * hope that it'll also be executed right afterwards, | |
2798 | * effectively extending the old one. | |
2799 | * If there's no minimum time left, just add it to the | |
2800 | * normal list. | |
d339d5ca IP |
2801 | * TODO: the ROC type is ignored here, assuming that it |
2802 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2803 | */ |
2804 | if (!tmp->hw_begun) { | |
2805 | list_add_tail(&roc->list, &tmp->dependents); | |
2806 | queued = true; | |
2807 | break; | |
2808 | } | |
2809 | ||
2810 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2811 | tmp->hw_start_time + | |
2812 | msecs_to_jiffies(tmp->duration))) { | |
2813 | int new_dur; | |
2814 | ||
2815 | ieee80211_handle_roc_started(roc); | |
2816 | ||
2817 | new_dur = roc->duration - | |
2818 | jiffies_to_msecs(tmp->hw_start_time + | |
2819 | msecs_to_jiffies( | |
2820 | tmp->duration) - | |
2821 | j); | |
2822 | ||
2823 | if (new_dur > 0) { | |
2824 | /* add right after tmp */ | |
2825 | list_add(&roc->list, &tmp->list); | |
2826 | } else { | |
2827 | list_add_tail(&roc->list, | |
2828 | &tmp->dependents); | |
2829 | } | |
2830 | queued = true; | |
2831 | } | |
2832 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2833 | unsigned long new_end; | |
2834 | ||
2835 | /* | |
2836 | * In the software ROC case, cancel the timer, if | |
2837 | * that fails then the finish work is already | |
2838 | * queued/pending and thus we queue the new ROC | |
2839 | * normally, if that succeeds then we can extend | |
2840 | * the timer duration and TX the frame (if any.) | |
2841 | */ | |
2842 | ||
2843 | list_add_tail(&roc->list, &tmp->dependents); | |
2844 | queued = true; | |
2845 | ||
2846 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2847 | ||
2848 | /* ok, it was started & we canceled timer */ | |
2849 | if (time_after(new_end, tmp->work.timer.expires)) | |
2850 | mod_timer(&tmp->work.timer, new_end); | |
2851 | else | |
2852 | add_timer(&tmp->work.timer); | |
2853 | ||
2854 | ieee80211_handle_roc_started(roc); | |
2855 | } | |
2856 | break; | |
2857 | } | |
2858 | ||
2859 | out_queue: | |
2860 | if (!queued) | |
2861 | list_add_tail(&roc->list, &local->roc_list); | |
2862 | ||
2eb278e0 | 2863 | return 0; |
21f83589 JB |
2864 | } |
2865 | ||
b8bc4b0a | 2866 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2867 | struct wireless_dev *wdev, |
b8bc4b0a | 2868 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2869 | unsigned int duration, |
2870 | u64 *cookie) | |
2871 | { | |
71bbc994 | 2872 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2873 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2874 | int ret; |
21f83589 | 2875 | |
2eb278e0 | 2876 | mutex_lock(&local->mtx); |
42d97a59 | 2877 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2878 | duration, cookie, NULL, |
2879 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2880 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2881 | |
2eb278e0 | 2882 | return ret; |
b8bc4b0a JB |
2883 | } |
2884 | ||
2eb278e0 JB |
2885 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2886 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2887 | { |
2eb278e0 | 2888 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2889 | int ret; |
2890 | ||
2eb278e0 JB |
2891 | mutex_lock(&local->mtx); |
2892 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2893 | struct ieee80211_roc_work *dep, *tmp2; |
2894 | ||
2895 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2896 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2897 | continue; |
2898 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2899 | continue; | |
2900 | /* found dependent item -- just remove it */ | |
2901 | list_del(&dep->list); | |
2902 | mutex_unlock(&local->mtx); | |
2903 | ||
3fbd45ca | 2904 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2905 | return 0; |
2906 | } | |
2907 | ||
50febf6a | 2908 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2909 | continue; |
2910 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2911 | continue; | |
21f83589 | 2912 | |
2eb278e0 JB |
2913 | found = roc; |
2914 | break; | |
2915 | } | |
21f83589 | 2916 | |
2eb278e0 JB |
2917 | if (!found) { |
2918 | mutex_unlock(&local->mtx); | |
2919 | return -ENOENT; | |
2920 | } | |
21f83589 | 2921 | |
e979e33c JB |
2922 | /* |
2923 | * We found the item to cancel, so do that. Note that it | |
2924 | * may have dependents, which we also cancel (and send | |
2925 | * the expired signal for.) Not doing so would be quite | |
2926 | * tricky here, but we may need to fix it later. | |
2927 | */ | |
2928 | ||
2eb278e0 JB |
2929 | if (local->ops->remain_on_channel) { |
2930 | if (found->started) { | |
2931 | ret = drv_cancel_remain_on_channel(local); | |
2932 | if (WARN_ON_ONCE(ret)) { | |
2933 | mutex_unlock(&local->mtx); | |
2934 | return ret; | |
2935 | } | |
2936 | } | |
21f83589 | 2937 | |
2eb278e0 | 2938 | list_del(&found->list); |
21f83589 | 2939 | |
0f6b3f59 JB |
2940 | if (found->started) |
2941 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2942 | mutex_unlock(&local->mtx); |
21f83589 | 2943 | |
3fbd45ca | 2944 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2945 | } else { |
2946 | /* work may be pending so use it all the time */ | |
2947 | found->abort = true; | |
2948 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2949 | |
21f83589 JB |
2950 | mutex_unlock(&local->mtx); |
2951 | ||
2eb278e0 JB |
2952 | /* work will clean up etc */ |
2953 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2954 | WARN_ON(!found->to_be_freed); |
2955 | kfree(found); | |
21f83589 | 2956 | } |
b8bc4b0a | 2957 | |
2eb278e0 | 2958 | return 0; |
b8bc4b0a JB |
2959 | } |
2960 | ||
2eb278e0 | 2961 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2962 | struct wireless_dev *wdev, |
2eb278e0 | 2963 | u64 cookie) |
f30221e4 | 2964 | { |
71bbc994 | 2965 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2966 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2967 | |
2eb278e0 | 2968 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2969 | } |
2970 | ||
164eb02d SW |
2971 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2972 | struct net_device *dev, | |
31559f35 JD |
2973 | struct cfg80211_chan_def *chandef, |
2974 | u32 cac_time_ms) | |
164eb02d SW |
2975 | { |
2976 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2977 | struct ieee80211_local *local = sdata->local; | |
164eb02d SW |
2978 | int err; |
2979 | ||
34a3740d JB |
2980 | mutex_lock(&local->mtx); |
2981 | if (!list_empty(&local->roc_list) || local->scanning) { | |
2982 | err = -EBUSY; | |
2983 | goto out_unlock; | |
2984 | } | |
164eb02d SW |
2985 | |
2986 | /* whatever, but channel contexts should not complain about that one */ | |
2987 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2988 | sdata->needed_rx_chains = local->rx_chains; | |
164eb02d | 2989 | |
164eb02d SW |
2990 | err = ieee80211_vif_use_channel(sdata, chandef, |
2991 | IEEE80211_CHANCTX_SHARED); | |
164eb02d | 2992 | if (err) |
34a3740d | 2993 | goto out_unlock; |
164eb02d | 2994 | |
164eb02d | 2995 | ieee80211_queue_delayed_work(&sdata->local->hw, |
31559f35 JD |
2996 | &sdata->dfs_cac_timer_work, |
2997 | msecs_to_jiffies(cac_time_ms)); | |
164eb02d | 2998 | |
34a3740d JB |
2999 | out_unlock: |
3000 | mutex_unlock(&local->mtx); | |
3001 | return err; | |
164eb02d SW |
3002 | } |
3003 | ||
73da7d5b SW |
3004 | static struct cfg80211_beacon_data * |
3005 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
3006 | { | |
3007 | struct cfg80211_beacon_data *new_beacon; | |
3008 | u8 *pos; | |
3009 | int len; | |
3010 | ||
3011 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
3012 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
3013 | beacon->probe_resp_len; | |
3014 | ||
3015 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
3016 | if (!new_beacon) | |
3017 | return NULL; | |
3018 | ||
3019 | pos = (u8 *)(new_beacon + 1); | |
3020 | if (beacon->head_len) { | |
3021 | new_beacon->head_len = beacon->head_len; | |
3022 | new_beacon->head = pos; | |
3023 | memcpy(pos, beacon->head, beacon->head_len); | |
3024 | pos += beacon->head_len; | |
3025 | } | |
3026 | if (beacon->tail_len) { | |
3027 | new_beacon->tail_len = beacon->tail_len; | |
3028 | new_beacon->tail = pos; | |
3029 | memcpy(pos, beacon->tail, beacon->tail_len); | |
3030 | pos += beacon->tail_len; | |
3031 | } | |
3032 | if (beacon->beacon_ies_len) { | |
3033 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
3034 | new_beacon->beacon_ies = pos; | |
3035 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
3036 | pos += beacon->beacon_ies_len; | |
3037 | } | |
3038 | if (beacon->proberesp_ies_len) { | |
3039 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
3040 | new_beacon->proberesp_ies = pos; | |
3041 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
3042 | pos += beacon->proberesp_ies_len; | |
3043 | } | |
3044 | if (beacon->assocresp_ies_len) { | |
3045 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
3046 | new_beacon->assocresp_ies = pos; | |
3047 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
3048 | pos += beacon->assocresp_ies_len; | |
3049 | } | |
3050 | if (beacon->probe_resp_len) { | |
3051 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
3052 | beacon->probe_resp = pos; | |
3053 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
3054 | pos += beacon->probe_resp_len; | |
3055 | } | |
3056 | ||
3057 | return new_beacon; | |
3058 | } | |
3059 | ||
66e01cf9 | 3060 | void ieee80211_csa_finish(struct ieee80211_vif *vif) |
73da7d5b | 3061 | { |
66e01cf9 | 3062 | struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); |
73da7d5b | 3063 | |
66e01cf9 LC |
3064 | ieee80211_queue_work(&sdata->local->hw, |
3065 | &sdata->csa_finalize_work); | |
3066 | } | |
3067 | EXPORT_SYMBOL(ieee80211_csa_finish); | |
e487eaeb | 3068 | |
66199506 MK |
3069 | static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3070 | u32 *changed) | |
66e01cf9 | 3071 | { |
66199506 | 3072 | int err; |
7578d575 | 3073 | |
cd7760e6 SW |
3074 | switch (sdata->vif.type) { |
3075 | case NL80211_IFTYPE_AP: | |
3076 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon); | |
97518af1 MK |
3077 | kfree(sdata->u.ap.next_beacon); |
3078 | sdata->u.ap.next_beacon = NULL; | |
3079 | ||
cd7760e6 | 3080 | if (err < 0) |
66199506 MK |
3081 | return err; |
3082 | *changed |= err; | |
cd7760e6 SW |
3083 | break; |
3084 | case NL80211_IFTYPE_ADHOC: | |
faf046e7 MK |
3085 | err = ieee80211_ibss_finish_csa(sdata); |
3086 | if (err < 0) | |
66199506 MK |
3087 | return err; |
3088 | *changed |= err; | |
cd7760e6 | 3089 | break; |
b8456a14 CYY |
3090 | #ifdef CONFIG_MAC80211_MESH |
3091 | case NL80211_IFTYPE_MESH_POINT: | |
3092 | err = ieee80211_mesh_finish_csa(sdata); | |
3093 | if (err < 0) | |
66199506 MK |
3094 | return err; |
3095 | *changed |= err; | |
b8456a14 CYY |
3096 | break; |
3097 | #endif | |
cd7760e6 SW |
3098 | default: |
3099 | WARN_ON(1); | |
66199506 MK |
3100 | return -EINVAL; |
3101 | } | |
3102 | ||
3103 | return 0; | |
3104 | } | |
3105 | ||
cf8767dd | 3106 | static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) |
66199506 MK |
3107 | { |
3108 | struct ieee80211_local *local = sdata->local; | |
3109 | u32 changed = 0; | |
3110 | int err; | |
3111 | ||
3112 | sdata_assert_lock(sdata); | |
3113 | lockdep_assert_held(&local->mtx); | |
3114 | ||
3115 | sdata->radar_required = sdata->csa_radar_required; | |
3116 | err = ieee80211_vif_change_channel(sdata, &changed); | |
cf8767dd MK |
3117 | if (err < 0) |
3118 | return err; | |
66199506 MK |
3119 | |
3120 | if (!local->use_chanctx) { | |
3121 | local->_oper_chandef = sdata->csa_chandef; | |
3122 | ieee80211_hw_config(local, 0); | |
cd7760e6 | 3123 | } |
73da7d5b | 3124 | |
66199506 MK |
3125 | sdata->vif.csa_active = false; |
3126 | ||
3127 | err = ieee80211_set_after_csa_beacon(sdata, &changed); | |
3128 | if (err) | |
cf8767dd | 3129 | return err; |
faf046e7 | 3130 | |
66199506 | 3131 | ieee80211_bss_info_change_notify(sdata, changed); |
59af6928 MK |
3132 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); |
3133 | ||
3134 | if (!ieee80211_csa_needs_block_tx(local)) | |
3135 | ieee80211_wake_queues_by_reason(&local->hw, | |
73da7d5b SW |
3136 | IEEE80211_MAX_QUEUE_MAP, |
3137 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
cf8767dd MK |
3138 | |
3139 | return 0; | |
3140 | } | |
3141 | ||
3142 | static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) | |
3143 | { | |
3144 | if (__ieee80211_csa_finalize(sdata)) { | |
3145 | sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); | |
3146 | cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, | |
3147 | GFP_KERNEL); | |
3148 | } | |
66e01cf9 LC |
3149 | } |
3150 | ||
3151 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
3152 | { | |
3153 | struct ieee80211_sub_if_data *sdata = | |
3154 | container_of(work, struct ieee80211_sub_if_data, | |
3155 | csa_finalize_work); | |
59af6928 | 3156 | struct ieee80211_local *local = sdata->local; |
66e01cf9 LC |
3157 | |
3158 | sdata_lock(sdata); | |
59af6928 MK |
3159 | mutex_lock(&local->mtx); |
3160 | ||
66e01cf9 LC |
3161 | /* AP might have been stopped while waiting for the lock. */ |
3162 | if (!sdata->vif.csa_active) | |
3163 | goto unlock; | |
3164 | ||
3165 | if (!ieee80211_sdata_running(sdata)) | |
3166 | goto unlock; | |
3167 | ||
3168 | ieee80211_csa_finalize(sdata); | |
e487eaeb SW |
3169 | |
3170 | unlock: | |
59af6928 | 3171 | mutex_unlock(&local->mtx); |
e487eaeb | 3172 | sdata_unlock(sdata); |
73da7d5b SW |
3173 | } |
3174 | ||
37fa2bdd MK |
3175 | static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, |
3176 | struct cfg80211_csa_settings *params, | |
3177 | u32 *changed) | |
73da7d5b | 3178 | { |
37fa2bdd | 3179 | int err; |
73da7d5b | 3180 | |
73da7d5b SW |
3181 | switch (sdata->vif.type) { |
3182 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3183 | sdata->u.ap.next_beacon = |
3184 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3185 | if (!sdata->u.ap.next_beacon) | |
3186 | return -ENOMEM; | |
3187 | ||
66e01cf9 LC |
3188 | /* |
3189 | * With a count of 0, we don't have to wait for any | |
3190 | * TBTT before switching, so complete the CSA | |
3191 | * immediately. In theory, with a count == 1 we | |
3192 | * should delay the switch until just before the next | |
3193 | * TBTT, but that would complicate things so we switch | |
3194 | * immediately too. If we would delay the switch | |
3195 | * until the next TBTT, we would have to set the probe | |
3196 | * response here. | |
3197 | * | |
3198 | * TODO: A channel switch with count <= 1 without | |
3199 | * sending a CSA action frame is kind of useless, | |
3200 | * because the clients won't know we're changing | |
3201 | * channels. The action frame must be implemented | |
3202 | * either here or in the userspace. | |
3203 | */ | |
3204 | if (params->count <= 1) | |
3205 | break; | |
3206 | ||
0d06d9ba AO |
3207 | if ((params->n_counter_offsets_beacon > |
3208 | IEEE80211_MAX_CSA_COUNTERS_NUM) || | |
3209 | (params->n_counter_offsets_presp > | |
3210 | IEEE80211_MAX_CSA_COUNTERS_NUM)) | |
3211 | return -EINVAL; | |
9a774c78 | 3212 | |
0d06d9ba AO |
3213 | /* make sure we don't have garbage in other counters */ |
3214 | memset(sdata->csa_counter_offset_beacon, 0, | |
3215 | sizeof(sdata->csa_counter_offset_beacon)); | |
3216 | memset(sdata->csa_counter_offset_presp, 0, | |
3217 | sizeof(sdata->csa_counter_offset_presp)); | |
3218 | ||
3219 | memcpy(sdata->csa_counter_offset_beacon, | |
3220 | params->counter_offsets_beacon, | |
3221 | params->n_counter_offsets_beacon * sizeof(u16)); | |
3222 | memcpy(sdata->csa_counter_offset_presp, | |
3223 | params->counter_offsets_presp, | |
3224 | params->n_counter_offsets_presp * sizeof(u16)); | |
9a774c78 | 3225 | |
cd7760e6 SW |
3226 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa); |
3227 | if (err < 0) { | |
3228 | kfree(sdata->u.ap.next_beacon); | |
3229 | return err; | |
3230 | } | |
37fa2bdd | 3231 | *changed |= err; |
66e01cf9 | 3232 | |
cd7760e6 SW |
3233 | break; |
3234 | case NL80211_IFTYPE_ADHOC: | |
3235 | if (!sdata->vif.bss_conf.ibss_joined) | |
3236 | return -EINVAL; | |
3237 | ||
3238 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3239 | return -EINVAL; | |
3240 | ||
3241 | switch (params->chandef.width) { | |
3242 | case NL80211_CHAN_WIDTH_40: | |
3243 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3244 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3245 | return -EINVAL; | |
3246 | case NL80211_CHAN_WIDTH_5: | |
3247 | case NL80211_CHAN_WIDTH_10: | |
3248 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3249 | case NL80211_CHAN_WIDTH_20: | |
3250 | break; | |
3251 | default: | |
3252 | return -EINVAL; | |
3253 | } | |
3254 | ||
3255 | /* changes into another band are not supported */ | |
3256 | if (sdata->u.ibss.chandef.chan->band != | |
3257 | params->chandef.chan->band) | |
3258 | return -EINVAL; | |
3259 | ||
66e01cf9 LC |
3260 | /* see comments in the NL80211_IFTYPE_AP block */ |
3261 | if (params->count > 1) { | |
3262 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3263 | if (err < 0) | |
3264 | return err; | |
37fa2bdd | 3265 | *changed |= err; |
66e01cf9 LC |
3266 | } |
3267 | ||
3268 | ieee80211_send_action_csa(sdata, params); | |
3269 | ||
73da7d5b | 3270 | break; |
c6da674a | 3271 | #ifdef CONFIG_MAC80211_MESH |
37fa2bdd MK |
3272 | case NL80211_IFTYPE_MESH_POINT: { |
3273 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c6da674a | 3274 | |
c6da674a CYY |
3275 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) |
3276 | return -EINVAL; | |
3277 | ||
3278 | /* changes into another band are not supported */ | |
3279 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3280 | params->chandef.chan->band) | |
3281 | return -EINVAL; | |
3282 | ||
c782bf8c | 3283 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { |
0cb4d4dc | 3284 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; |
c782bf8c CYY |
3285 | if (!ifmsh->pre_value) |
3286 | ifmsh->pre_value = 1; | |
3287 | else | |
3288 | ifmsh->pre_value++; | |
3289 | } | |
0cb4d4dc | 3290 | |
66e01cf9 LC |
3291 | /* see comments in the NL80211_IFTYPE_AP block */ |
3292 | if (params->count > 1) { | |
3293 | err = ieee80211_mesh_csa_beacon(sdata, params); | |
3294 | if (err < 0) { | |
3295 | ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; | |
3296 | return err; | |
3297 | } | |
37fa2bdd | 3298 | *changed |= err; |
3f718fd8 | 3299 | } |
66e01cf9 LC |
3300 | |
3301 | if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) | |
3302 | ieee80211_send_action_csa(sdata, params); | |
3303 | ||
c6da674a | 3304 | break; |
37fa2bdd | 3305 | } |
c6da674a | 3306 | #endif |
73da7d5b SW |
3307 | default: |
3308 | return -EOPNOTSUPP; | |
3309 | } | |
3310 | ||
37fa2bdd MK |
3311 | return 0; |
3312 | } | |
3313 | ||
f29f58a9 LC |
3314 | static int |
3315 | __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3316 | struct cfg80211_csa_settings *params) | |
37fa2bdd MK |
3317 | { |
3318 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3319 | struct ieee80211_local *local = sdata->local; | |
2b32713d | 3320 | struct ieee80211_chanctx_conf *conf; |
37fa2bdd MK |
3321 | struct ieee80211_chanctx *chanctx; |
3322 | int err, num_chanctx, changed = 0; | |
3323 | ||
3324 | sdata_assert_lock(sdata); | |
59af6928 | 3325 | lockdep_assert_held(&local->mtx); |
37fa2bdd MK |
3326 | |
3327 | if (!list_empty(&local->roc_list) || local->scanning) | |
3328 | return -EBUSY; | |
3329 | ||
3330 | if (sdata->wdev.cac_started) | |
3331 | return -EBUSY; | |
3332 | ||
3333 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3334 | &sdata->vif.bss_conf.chandef)) | |
3335 | return -EINVAL; | |
3336 | ||
2b32713d MK |
3337 | mutex_lock(&local->chanctx_mtx); |
3338 | conf = rcu_dereference_protected(sdata->vif.chanctx_conf, | |
3339 | lockdep_is_held(&local->chanctx_mtx)); | |
3340 | if (!conf) { | |
3341 | mutex_unlock(&local->chanctx_mtx); | |
37fa2bdd MK |
3342 | return -EBUSY; |
3343 | } | |
3344 | ||
3345 | /* don't handle for multi-VIF cases */ | |
2b32713d | 3346 | chanctx = container_of(conf, struct ieee80211_chanctx, conf); |
c0166da9 | 3347 | if (ieee80211_chanctx_refcount(local, chanctx) > 1) { |
2b32713d | 3348 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3349 | return -EBUSY; |
3350 | } | |
3351 | num_chanctx = 0; | |
3352 | list_for_each_entry_rcu(chanctx, &local->chanctx_list, list) | |
3353 | num_chanctx++; | |
2b32713d | 3354 | mutex_unlock(&local->chanctx_mtx); |
37fa2bdd MK |
3355 | |
3356 | if (num_chanctx > 1) | |
3357 | return -EBUSY; | |
3358 | ||
3359 | /* don't allow another channel switch if one is already active. */ | |
3360 | if (sdata->vif.csa_active) | |
3361 | return -EBUSY; | |
3362 | ||
3363 | err = ieee80211_set_csa_beacon(sdata, params, &changed); | |
3364 | if (err) | |
3365 | return err; | |
3366 | ||
73da7d5b | 3367 | sdata->csa_radar_required = params->radar_required; |
33787fc4 | 3368 | sdata->csa_chandef = params->chandef; |
59af6928 | 3369 | sdata->csa_block_tx = params->block_tx; |
387910cc | 3370 | sdata->csa_current_counter = params->count; |
73da7d5b SW |
3371 | sdata->vif.csa_active = true; |
3372 | ||
59af6928 MK |
3373 | if (sdata->csa_block_tx) |
3374 | ieee80211_stop_queues_by_reason(&local->hw, | |
3375 | IEEE80211_MAX_QUEUE_MAP, | |
3376 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3377 | ||
66e01cf9 LC |
3378 | if (changed) { |
3379 | ieee80211_bss_info_change_notify(sdata, changed); | |
3380 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3381 | } else { | |
3382 | /* if the beacon didn't change, we can finalize immediately */ | |
3383 | ieee80211_csa_finalize(sdata); | |
3384 | } | |
73da7d5b SW |
3385 | |
3386 | return 0; | |
3387 | } | |
3388 | ||
59af6928 MK |
3389 | int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, |
3390 | struct cfg80211_csa_settings *params) | |
3391 | { | |
3392 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3393 | struct ieee80211_local *local = sdata->local; | |
3394 | int err; | |
3395 | ||
3396 | mutex_lock(&local->mtx); | |
3397 | err = __ieee80211_channel_switch(wiphy, dev, params); | |
3398 | mutex_unlock(&local->mtx); | |
3399 | ||
3400 | return err; | |
3401 | } | |
3402 | ||
71bbc994 | 3403 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3404 | struct cfg80211_mgmt_tx_params *params, |
3405 | u64 *cookie) | |
026331c4 | 3406 | { |
71bbc994 | 3407 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
3408 | struct ieee80211_local *local = sdata->local; |
3409 | struct sk_buff *skb; | |
3410 | struct sta_info *sta; | |
b176e629 | 3411 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3412 | bool need_offchan = false; |
e247bd90 | 3413 | u32 flags; |
2eb278e0 | 3414 | int ret; |
387910cc | 3415 | u8 *data; |
f7ca38df | 3416 | |
b176e629 | 3417 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3418 | flags = IEEE80211_TX_CTL_NO_ACK; |
3419 | else | |
3420 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3421 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3422 | ||
b176e629 | 3423 | if (params->no_cck) |
aad14ceb RM |
3424 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3425 | ||
9d38d85d JB |
3426 | switch (sdata->vif.type) { |
3427 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3428 | if (!sdata->vif.bss_conf.ibss_joined) |
3429 | need_offchan = true; | |
3430 | /* fall through */ | |
3431 | #ifdef CONFIG_MAC80211_MESH | |
3432 | case NL80211_IFTYPE_MESH_POINT: | |
3433 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3434 | !sdata->u.mesh.mesh_id_len) | |
3435 | need_offchan = true; | |
3436 | /* fall through */ | |
3437 | #endif | |
663fcafd JB |
3438 | case NL80211_IFTYPE_AP: |
3439 | case NL80211_IFTYPE_AP_VLAN: | |
3440 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3441 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3442 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3443 | !rcu_access_pointer(sdata->bss->beacon)) | |
3444 | need_offchan = true; | |
663fcafd | 3445 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3446 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3447 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3448 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3449 | break; |
3450 | rcu_read_lock(); | |
3451 | sta = sta_info_get(sdata, mgmt->da); | |
3452 | rcu_read_unlock(); | |
3453 | if (!sta) | |
3454 | return -ENOLINK; | |
3455 | break; | |
3456 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3457 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
3458 | if (!sdata->u.mgd.associated) |
3459 | need_offchan = true; | |
9d38d85d | 3460 | break; |
f142c6b9 JB |
3461 | case NL80211_IFTYPE_P2P_DEVICE: |
3462 | need_offchan = true; | |
3463 | break; | |
9d38d85d JB |
3464 | default: |
3465 | return -EOPNOTSUPP; | |
3466 | } | |
3467 | ||
f7aeb6fb AQ |
3468 | /* configurations requiring offchan cannot work if no channel has been |
3469 | * specified | |
3470 | */ | |
b176e629 | 3471 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3472 | return -EINVAL; |
3473 | ||
2eb278e0 JB |
3474 | mutex_lock(&local->mtx); |
3475 | ||
3476 | /* Check if the operating channel is the requested channel */ | |
3477 | if (!need_offchan) { | |
55de908a JB |
3478 | struct ieee80211_chanctx_conf *chanctx_conf; |
3479 | ||
3480 | rcu_read_lock(); | |
3481 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3482 | ||
f7aeb6fb | 3483 | if (chanctx_conf) { |
b176e629 AO |
3484 | need_offchan = params->chan && |
3485 | (params->chan != | |
3486 | chanctx_conf->def.chan); | |
3487 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3488 | ret = -EINVAL; |
3489 | rcu_read_unlock(); | |
3490 | goto out_unlock; | |
3491 | } else { | |
2eb278e0 | 3492 | need_offchan = true; |
f7aeb6fb | 3493 | } |
55de908a | 3494 | rcu_read_unlock(); |
2eb278e0 JB |
3495 | } |
3496 | ||
b176e629 | 3497 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3498 | ret = -EBUSY; |
3499 | goto out_unlock; | |
3500 | } | |
3501 | ||
b176e629 | 3502 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3503 | if (!skb) { |
3504 | ret = -ENOMEM; | |
3505 | goto out_unlock; | |
3506 | } | |
9d38d85d JB |
3507 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3508 | ||
387910cc AO |
3509 | data = skb_put(skb, params->len); |
3510 | memcpy(data, params->buf, params->len); | |
3511 | ||
3512 | /* Update CSA counters */ | |
3513 | if (sdata->vif.csa_active && | |
3514 | (sdata->vif.type == NL80211_IFTYPE_AP || | |
3515 | sdata->vif.type == NL80211_IFTYPE_ADHOC) && | |
3516 | params->n_csa_offsets) { | |
3517 | int i; | |
1af586c9 | 3518 | u8 c = sdata->csa_current_counter; |
387910cc AO |
3519 | |
3520 | for (i = 0; i < params->n_csa_offsets; i++) | |
1af586c9 | 3521 | data[params->csa_offsets[i]] = c; |
387910cc | 3522 | } |
9d38d85d JB |
3523 | |
3524 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3525 | ||
3526 | skb->dev = sdata->dev; | |
9d38d85d | 3527 | |
2eb278e0 | 3528 | if (!need_offchan) { |
7f9f78ab | 3529 | *cookie = (unsigned long) skb; |
f30221e4 | 3530 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3531 | ret = 0; |
3532 | goto out_unlock; | |
f30221e4 JB |
3533 | } |
3534 | ||
6c17b77b SF |
3535 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3536 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
3537 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
3538 | IEEE80211_SKB_CB(skb)->hw_queue = | |
3539 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3540 | |
2eb278e0 | 3541 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3542 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3543 | params->wait, cookie, skb, | |
d339d5ca | 3544 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3545 | if (ret) |
3546 | kfree_skb(skb); | |
3547 | out_unlock: | |
3548 | mutex_unlock(&local->mtx); | |
3549 | return ret; | |
026331c4 JM |
3550 | } |
3551 | ||
f30221e4 | 3552 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3553 | struct wireless_dev *wdev, |
f30221e4 JB |
3554 | u64 cookie) |
3555 | { | |
71bbc994 | 3556 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3557 | |
2eb278e0 | 3558 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3559 | } |
3560 | ||
7be5086d | 3561 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3562 | struct wireless_dev *wdev, |
7be5086d JB |
3563 | u16 frame_type, bool reg) |
3564 | { | |
3565 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3566 | ||
6abe0563 | 3567 | switch (frame_type) { |
6abe0563 WH |
3568 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3569 | if (reg) | |
3570 | local->probe_req_reg++; | |
3571 | else | |
3572 | local->probe_req_reg--; | |
7be5086d | 3573 | |
35f5149e FF |
3574 | if (!local->open_count) |
3575 | break; | |
3576 | ||
6abe0563 WH |
3577 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3578 | break; | |
3579 | default: | |
3580 | break; | |
3581 | } | |
7be5086d JB |
3582 | } |
3583 | ||
15d96753 BR |
3584 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3585 | { | |
3586 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3587 | ||
3588 | if (local->started) | |
3589 | return -EOPNOTSUPP; | |
3590 | ||
3591 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3592 | } | |
3593 | ||
3594 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3595 | { | |
3596 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3597 | ||
3598 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3599 | } | |
3600 | ||
38c09159 JL |
3601 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
3602 | { | |
3603 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3604 | ||
3605 | return drv_set_ringparam(local, tx, rx); | |
3606 | } | |
3607 | ||
3608 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
3609 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
3610 | { | |
3611 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3612 | ||
3613 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
3614 | } | |
3615 | ||
c68f4b89 JB |
3616 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3617 | struct net_device *dev, | |
3618 | struct cfg80211_gtk_rekey_data *data) | |
3619 | { | |
3620 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3621 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3622 | ||
3623 | if (!local->ops->set_rekey_data) | |
3624 | return -EOPNOTSUPP; | |
3625 | ||
3626 | drv_set_rekey_data(local, sdata, data); | |
3627 | ||
3628 | return 0; | |
3629 | } | |
3630 | ||
06500736 JB |
3631 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3632 | const u8 *peer, u64 *cookie) | |
3633 | { | |
3634 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3635 | struct ieee80211_local *local = sdata->local; | |
3636 | struct ieee80211_qos_hdr *nullfunc; | |
3637 | struct sk_buff *skb; | |
3638 | int size = sizeof(*nullfunc); | |
3639 | __le16 fc; | |
3640 | bool qos; | |
3641 | struct ieee80211_tx_info *info; | |
3642 | struct sta_info *sta; | |
55de908a JB |
3643 | struct ieee80211_chanctx_conf *chanctx_conf; |
3644 | enum ieee80211_band band; | |
06500736 JB |
3645 | |
3646 | rcu_read_lock(); | |
55de908a JB |
3647 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3648 | if (WARN_ON(!chanctx_conf)) { | |
3649 | rcu_read_unlock(); | |
3650 | return -EINVAL; | |
3651 | } | |
4bf88530 | 3652 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3653 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3654 | if (sta) { |
06500736 | 3655 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3656 | } else { |
3657 | rcu_read_unlock(); | |
06500736 | 3658 | return -ENOLINK; |
b4487c2d | 3659 | } |
06500736 JB |
3660 | |
3661 | if (qos) { | |
3662 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3663 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3664 | IEEE80211_FCTL_FROMDS); | |
3665 | } else { | |
3666 | size -= 2; | |
3667 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3668 | IEEE80211_STYPE_NULLFUNC | | |
3669 | IEEE80211_FCTL_FROMDS); | |
3670 | } | |
3671 | ||
3672 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3673 | if (!skb) { |
3674 | rcu_read_unlock(); | |
06500736 | 3675 | return -ENOMEM; |
55de908a | 3676 | } |
06500736 JB |
3677 | |
3678 | skb->dev = dev; | |
3679 | ||
3680 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3681 | ||
3682 | nullfunc = (void *) skb_put(skb, size); | |
3683 | nullfunc->frame_control = fc; | |
3684 | nullfunc->duration_id = 0; | |
3685 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3686 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3687 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3688 | nullfunc->seq_ctrl = 0; | |
3689 | ||
3690 | info = IEEE80211_SKB_CB(skb); | |
3691 | ||
3692 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3693 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3694 | ||
3695 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3696 | skb->priority = 7; | |
3697 | if (qos) | |
3698 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3699 | ||
3700 | local_bh_disable(); | |
55de908a | 3701 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3702 | local_bh_enable(); |
55de908a | 3703 | rcu_read_unlock(); |
06500736 JB |
3704 | |
3705 | *cookie = (unsigned long) skb; | |
3706 | return 0; | |
3707 | } | |
3708 | ||
683b6d3b JB |
3709 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3710 | struct wireless_dev *wdev, | |
3711 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3712 | { |
55de908a | 3713 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3714 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3715 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3716 | int ret = -ENODATA; |
55de908a JB |
3717 | |
3718 | rcu_read_lock(); | |
feda3027 JB |
3719 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3720 | if (chanctx_conf) { | |
3721 | *chandef = chanctx_conf->def; | |
3722 | ret = 0; | |
3723 | } else if (local->open_count > 0 && | |
3724 | local->open_count == local->monitors && | |
3725 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3726 | if (local->use_chanctx) | |
3727 | *chandef = local->monitor_chandef; | |
3728 | else | |
675a0b04 | 3729 | *chandef = local->_oper_chandef; |
683b6d3b | 3730 | ret = 0; |
55de908a JB |
3731 | } |
3732 | rcu_read_unlock(); | |
5b7ccaf3 | 3733 | |
683b6d3b | 3734 | return ret; |
5b7ccaf3 JB |
3735 | } |
3736 | ||
6d52563f JB |
3737 | #ifdef CONFIG_PM |
3738 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3739 | { | |
3740 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3741 | } | |
3742 | #endif | |
3743 | ||
32db6b54 KP |
3744 | static int ieee80211_set_qos_map(struct wiphy *wiphy, |
3745 | struct net_device *dev, | |
3746 | struct cfg80211_qos_map *qos_map) | |
3747 | { | |
3748 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3749 | struct mac80211_qos_map *new_qos_map, *old_qos_map; | |
3750 | ||
3751 | if (qos_map) { | |
3752 | new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); | |
3753 | if (!new_qos_map) | |
3754 | return -ENOMEM; | |
3755 | memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); | |
3756 | } else { | |
3757 | /* A NULL qos_map was passed to disable QoS mapping */ | |
3758 | new_qos_map = NULL; | |
3759 | } | |
3760 | ||
194ff52d | 3761 | old_qos_map = sdata_dereference(sdata->qos_map, sdata); |
32db6b54 KP |
3762 | rcu_assign_pointer(sdata->qos_map, new_qos_map); |
3763 | if (old_qos_map) | |
3764 | kfree_rcu(old_qos_map, rcu_head); | |
3765 | ||
3766 | return 0; | |
3767 | } | |
3768 | ||
3b1700bd JM |
3769 | static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, |
3770 | struct net_device *dev, | |
3771 | struct cfg80211_chan_def *chandef) | |
3772 | { | |
3773 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3774 | int ret; | |
3775 | u32 changed = 0; | |
3776 | ||
3777 | ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); | |
3778 | if (ret == 0) | |
3779 | ieee80211_bss_info_change_notify(sdata, changed); | |
3780 | ||
3781 | return ret; | |
3782 | } | |
3783 | ||
8a47cea7 | 3784 | const struct cfg80211_ops mac80211_config_ops = { |
f0706e82 JB |
3785 | .add_virtual_intf = ieee80211_add_iface, |
3786 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3787 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3788 | .start_p2p_device = ieee80211_start_p2p_device, |
3789 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3790 | .add_key = ieee80211_add_key, |
3791 | .del_key = ieee80211_del_key, | |
62da92fb | 3792 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3793 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3794 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3795 | .start_ap = ieee80211_start_ap, |
3796 | .change_beacon = ieee80211_change_beacon, | |
3797 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3798 | .add_station = ieee80211_add_station, |
3799 | .del_station = ieee80211_del_station, | |
3800 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3801 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3802 | .dump_station = ieee80211_dump_station, |
1289723e | 3803 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3804 | #ifdef CONFIG_MAC80211_MESH |
3805 | .add_mpath = ieee80211_add_mpath, | |
3806 | .del_mpath = ieee80211_del_mpath, | |
3807 | .change_mpath = ieee80211_change_mpath, | |
3808 | .get_mpath = ieee80211_get_mpath, | |
3809 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3810 | .update_mesh_config = ieee80211_update_mesh_config, |
3811 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3812 | .join_mesh = ieee80211_join_mesh, |
3813 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3814 | #endif |
9f1ba906 | 3815 | .change_bss = ieee80211_change_bss, |
31888487 | 3816 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3817 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3818 | .suspend = ieee80211_suspend, |
3819 | .resume = ieee80211_resume, | |
2a519311 | 3820 | .scan = ieee80211_scan, |
79f460ca LC |
3821 | .sched_scan_start = ieee80211_sched_scan_start, |
3822 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3823 | .auth = ieee80211_auth, |
3824 | .assoc = ieee80211_assoc, | |
3825 | .deauth = ieee80211_deauth, | |
3826 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3827 | .join_ibss = ieee80211_join_ibss, |
3828 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3829 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3830 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3831 | .set_tx_power = ieee80211_set_tx_power, |
3832 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3833 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3834 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3835 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3836 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3837 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3838 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3839 | .remain_on_channel = ieee80211_remain_on_channel, |
3840 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3841 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3842 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3843 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3844 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3845 | .set_antenna = ieee80211_set_antenna, |
3846 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3847 | .set_ringparam = ieee80211_set_ringparam, |
3848 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3849 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3850 | .tdls_oper = ieee80211_tdls_oper, |
3851 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3852 | .probe_client = ieee80211_probe_client, |
b53be792 | 3853 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3854 | #ifdef CONFIG_PM |
3855 | .set_wakeup = ieee80211_set_wakeup, | |
3856 | #endif | |
b1ab7925 BG |
3857 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3858 | .get_et_stats = ieee80211_get_et_stats, | |
3859 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3860 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3861 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3862 | .channel_switch = ieee80211_channel_switch, |
32db6b54 | 3863 | .set_qos_map = ieee80211_set_qos_map, |
3b1700bd | 3864 | .set_ap_chanwidth = ieee80211_set_ap_chanwidth, |
f0706e82 | 3865 | }; |