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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 | { | |
112 | return ieee80211_do_open(wdev, true); | |
113 | } | |
114 | ||
115 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
116 | struct wireless_dev *wdev) | |
117 | { | |
118 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
119 | } | |
120 | ||
b53be792 SW |
121 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
122 | struct net_device *dev, | |
123 | u16 noack_map) | |
124 | { | |
125 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
126 | ||
127 | sdata->noack_map = noack_map; | |
128 | return 0; | |
129 | } | |
130 | ||
e8cbb4cb | 131 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 132 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
133 | struct key_params *params) |
134 | { | |
26a58456 | 135 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2475b1cc | 136 | struct ieee80211_local *local = sdata->local; |
e8cbb4cb | 137 | struct sta_info *sta = NULL; |
2475b1cc | 138 | const struct ieee80211_cipher_scheme *cs = NULL; |
db4d1169 | 139 | struct ieee80211_key *key; |
3b96766f | 140 | int err; |
e8cbb4cb | 141 | |
26a58456 | 142 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
143 | return -ENETDOWN; |
144 | ||
97359d12 | 145 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
146 | switch (params->cipher) { |
147 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 148 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 | 149 | case WLAN_CIPHER_SUITE_WEP104: |
2475b1cc | 150 | if (IS_ERR(local->wep_tx_tfm)) |
97359d12 | 151 | return -EINVAL; |
3cfcf6ac | 152 | break; |
2475b1cc MS |
153 | case WLAN_CIPHER_SUITE_CCMP: |
154 | case WLAN_CIPHER_SUITE_AES_CMAC: | |
155 | case WLAN_CIPHER_SUITE_GCMP: | |
156 | break; | |
e8cbb4cb | 157 | default: |
2475b1cc | 158 | cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); |
97359d12 | 159 | break; |
e8cbb4cb JB |
160 | } |
161 | ||
97359d12 | 162 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
2475b1cc MS |
163 | params->key, params->seq_len, params->seq, |
164 | cs); | |
1ac62ba7 BH |
165 | if (IS_ERR(key)) |
166 | return PTR_ERR(key); | |
db4d1169 | 167 | |
e31b8213 JB |
168 | if (pairwise) |
169 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
170 | ||
2475b1cc | 171 | mutex_lock(&local->sta_mtx); |
3b96766f | 172 | |
e8cbb4cb | 173 | if (mac_addr) { |
ff973af7 TP |
174 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
175 | sta = sta_info_get(sdata, mac_addr); | |
176 | else | |
177 | sta = sta_info_get_bss(sdata, mac_addr); | |
1626e0fa JB |
178 | /* |
179 | * The ASSOC test makes sure the driver is ready to | |
180 | * receive the key. When wpa_supplicant has roamed | |
181 | * using FT, it attempts to set the key before | |
182 | * association has completed, this rejects that attempt | |
183 | * so it will set the key again after assocation. | |
184 | * | |
185 | * TODO: accept the key if we have a station entry and | |
186 | * add it to the device after the station. | |
187 | */ | |
188 | if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
79cf2dfa | 189 | ieee80211_key_free_unused(key); |
3b96766f JB |
190 | err = -ENOENT; |
191 | goto out_unlock; | |
db4d1169 | 192 | } |
e8cbb4cb JB |
193 | } |
194 | ||
e548c49e JB |
195 | switch (sdata->vif.type) { |
196 | case NL80211_IFTYPE_STATION: | |
197 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
198 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
199 | break; | |
200 | case NL80211_IFTYPE_AP: | |
201 | case NL80211_IFTYPE_AP_VLAN: | |
202 | /* Keys without a station are used for TX only */ | |
203 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
204 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
205 | break; | |
206 | case NL80211_IFTYPE_ADHOC: | |
207 | /* no MFP (yet) */ | |
208 | break; | |
209 | case NL80211_IFTYPE_MESH_POINT: | |
210 | #ifdef CONFIG_MAC80211_MESH | |
211 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
212 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
213 | break; | |
214 | #endif | |
215 | case NL80211_IFTYPE_WDS: | |
216 | case NL80211_IFTYPE_MONITOR: | |
217 | case NL80211_IFTYPE_P2P_DEVICE: | |
218 | case NL80211_IFTYPE_UNSPECIFIED: | |
219 | case NUM_NL80211_IFTYPES: | |
220 | case NL80211_IFTYPE_P2P_CLIENT: | |
221 | case NL80211_IFTYPE_P2P_GO: | |
222 | /* shouldn't happen */ | |
223 | WARN_ON_ONCE(1); | |
224 | break; | |
225 | } | |
226 | ||
2475b1cc MS |
227 | if (sta) |
228 | sta->cipher_scheme = cs; | |
229 | ||
3ffc2a90 | 230 | err = ieee80211_key_link(key, sdata, sta); |
db4d1169 | 231 | |
3b96766f | 232 | out_unlock: |
2475b1cc | 233 | mutex_unlock(&local->sta_mtx); |
3b96766f JB |
234 | |
235 | return err; | |
e8cbb4cb JB |
236 | } |
237 | ||
238 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 239 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 240 | { |
5c0c3641 JB |
241 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
242 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 243 | struct sta_info *sta; |
5c0c3641 | 244 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
245 | int ret; |
246 | ||
5c0c3641 JB |
247 | mutex_lock(&local->sta_mtx); |
248 | mutex_lock(&local->key_mtx); | |
3b96766f | 249 | |
e8cbb4cb | 250 | if (mac_addr) { |
3b96766f JB |
251 | ret = -ENOENT; |
252 | ||
0e5ded5a | 253 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 254 | if (!sta) |
3b96766f | 255 | goto out_unlock; |
e8cbb4cb | 256 | |
5c0c3641 | 257 | if (pairwise) |
2475b1cc | 258 | key = key_mtx_dereference(local, sta->ptk[key_idx]); |
5c0c3641 | 259 | else |
40b275b6 | 260 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 261 | } else |
40b275b6 | 262 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 263 | |
5c0c3641 | 264 | if (!key) { |
3b96766f JB |
265 | ret = -ENOENT; |
266 | goto out_unlock; | |
267 | } | |
e8cbb4cb | 268 | |
3b8d9c29 | 269 | ieee80211_key_free(key, true); |
e8cbb4cb | 270 | |
3b96766f JB |
271 | ret = 0; |
272 | out_unlock: | |
5c0c3641 JB |
273 | mutex_unlock(&local->key_mtx); |
274 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
275 | |
276 | return ret; | |
e8cbb4cb JB |
277 | } |
278 | ||
62da92fb | 279 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
280 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
281 | void *cookie, | |
62da92fb JB |
282 | void (*callback)(void *cookie, |
283 | struct key_params *params)) | |
284 | { | |
14db74bc | 285 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
286 | struct sta_info *sta = NULL; |
287 | u8 seq[6] = {0}; | |
288 | struct key_params params; | |
e31b8213 | 289 | struct ieee80211_key *key = NULL; |
aba83a0b | 290 | u64 pn64; |
62da92fb JB |
291 | u32 iv32; |
292 | u16 iv16; | |
293 | int err = -ENOENT; | |
294 | ||
14db74bc JB |
295 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
296 | ||
3b96766f JB |
297 | rcu_read_lock(); |
298 | ||
62da92fb | 299 | if (mac_addr) { |
0e5ded5a | 300 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
301 | if (!sta) |
302 | goto out; | |
303 | ||
e31b8213 | 304 | if (pairwise) |
2475b1cc | 305 | key = rcu_dereference(sta->ptk[key_idx]); |
e31b8213 | 306 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 307 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 308 | } else |
a3836e02 | 309 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
310 | |
311 | if (!key) | |
312 | goto out; | |
313 | ||
314 | memset(¶ms, 0, sizeof(params)); | |
315 | ||
97359d12 | 316 | params.cipher = key->conf.cipher; |
62da92fb | 317 | |
97359d12 JB |
318 | switch (key->conf.cipher) { |
319 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
320 | iv32 = key->u.tkip.tx.iv32; |
321 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 322 | |
24487981 JB |
323 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
324 | drv_get_tkip_seq(sdata->local, | |
325 | key->conf.hw_key_idx, | |
326 | &iv32, &iv16); | |
62da92fb JB |
327 | |
328 | seq[0] = iv16 & 0xff; | |
329 | seq[1] = (iv16 >> 8) & 0xff; | |
330 | seq[2] = iv32 & 0xff; | |
331 | seq[3] = (iv32 >> 8) & 0xff; | |
332 | seq[4] = (iv32 >> 16) & 0xff; | |
333 | seq[5] = (iv32 >> 24) & 0xff; | |
334 | params.seq = seq; | |
335 | params.seq_len = 6; | |
336 | break; | |
97359d12 | 337 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
338 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
339 | seq[0] = pn64; | |
340 | seq[1] = pn64 >> 8; | |
341 | seq[2] = pn64 >> 16; | |
342 | seq[3] = pn64 >> 24; | |
343 | seq[4] = pn64 >> 32; | |
344 | seq[5] = pn64 >> 40; | |
62da92fb JB |
345 | params.seq = seq; |
346 | params.seq_len = 6; | |
347 | break; | |
97359d12 | 348 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
349 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
350 | seq[0] = pn64; | |
351 | seq[1] = pn64 >> 8; | |
352 | seq[2] = pn64 >> 16; | |
353 | seq[3] = pn64 >> 24; | |
354 | seq[4] = pn64 >> 32; | |
355 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
356 | params.seq = seq; |
357 | params.seq_len = 6; | |
358 | break; | |
62da92fb JB |
359 | } |
360 | ||
361 | params.key = key->conf.key; | |
362 | params.key_len = key->conf.keylen; | |
363 | ||
364 | callback(cookie, ¶ms); | |
365 | err = 0; | |
366 | ||
367 | out: | |
3b96766f | 368 | rcu_read_unlock(); |
62da92fb JB |
369 | return err; |
370 | } | |
371 | ||
e8cbb4cb JB |
372 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
373 | struct net_device *dev, | |
dbd2fd65 JB |
374 | u8 key_idx, bool uni, |
375 | bool multi) | |
e8cbb4cb | 376 | { |
ad0e2b5a | 377 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 378 | |
f7e0104c | 379 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
380 | |
381 | return 0; | |
382 | } | |
383 | ||
3cfcf6ac JM |
384 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
385 | struct net_device *dev, | |
386 | u8 key_idx) | |
387 | { | |
66c52421 | 388 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 389 | |
3cfcf6ac JM |
390 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
391 | ||
3cfcf6ac JM |
392 | return 0; |
393 | } | |
394 | ||
6b62bf32 TP |
395 | void sta_set_rate_info_tx(struct sta_info *sta, |
396 | const struct ieee80211_tx_rate *rate, | |
397 | struct rate_info *rinfo) | |
398 | { | |
399 | rinfo->flags = 0; | |
8bc83c24 | 400 | if (rate->flags & IEEE80211_TX_RC_MCS) { |
6b62bf32 | 401 | rinfo->flags |= RATE_INFO_FLAGS_MCS; |
8bc83c24 JB |
402 | rinfo->mcs = rate->idx; |
403 | } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { | |
404 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
405 | rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); | |
406 | rinfo->nss = ieee80211_rate_get_vht_nss(rate); | |
407 | } else { | |
408 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
409 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
410 | u16 brate; | |
411 | ||
8bc83c24 JB |
412 | sband = sta->local->hw.wiphy->bands[ |
413 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
414 | brate = sband->bitrates[rate->idx].bitrate; |
415 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
8bc83c24 | 416 | } |
6b62bf32 TP |
417 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) |
418 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
8bc83c24 JB |
419 | if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) |
420 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
421 | if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) | |
422 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
6b62bf32 TP |
423 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) |
424 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
6b62bf32 TP |
425 | } |
426 | ||
003e676a S |
427 | void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |
428 | { | |
429 | rinfo->flags = 0; | |
430 | ||
431 | if (sta->last_rx_rate_flag & RX_FLAG_HT) { | |
432 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
433 | rinfo->mcs = sta->last_rx_rate_idx; | |
434 | } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { | |
435 | rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; | |
436 | rinfo->nss = sta->last_rx_rate_vht_nss; | |
437 | rinfo->mcs = sta->last_rx_rate_idx; | |
438 | } else { | |
439 | struct ieee80211_supported_band *sband; | |
2103dec1 SW |
440 | int shift = ieee80211_vif_get_shift(&sta->sdata->vif); |
441 | u16 brate; | |
003e676a S |
442 | |
443 | sband = sta->local->hw.wiphy->bands[ | |
444 | ieee80211_get_sdata_band(sta->sdata)]; | |
2103dec1 SW |
445 | brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; |
446 | rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); | |
003e676a S |
447 | } |
448 | ||
449 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
450 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
451 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
452 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
453 | if (sta->last_rx_rate_flag & RX_FLAG_80MHZ) | |
454 | rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; | |
455 | if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ) | |
456 | rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; | |
457 | if (sta->last_rx_rate_flag & RX_FLAG_160MHZ) | |
458 | rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; | |
459 | } | |
460 | ||
c5dd9c2b LCC |
461 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
462 | { | |
d0709a65 | 463 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 464 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 465 | struct timespec uptime; |
560d2682 | 466 | u64 packets = 0; |
ef0621e8 | 467 | int i, ac; |
c5dd9c2b | 468 | |
f5ea9120 JB |
469 | sinfo->generation = sdata->local->sta_generation; |
470 | ||
c5dd9c2b | 471 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
560d2682 JB |
472 | STATION_INFO_RX_BYTES64 | |
473 | STATION_INFO_TX_BYTES64 | | |
98c8a60a JM |
474 | STATION_INFO_RX_PACKETS | |
475 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
476 | STATION_INFO_TX_RETRIES | |
477 | STATION_INFO_TX_FAILED | | |
5a5c731a | 478 | STATION_INFO_TX_BITRATE | |
3af6334c | 479 | STATION_INFO_RX_BITRATE | |
f4263c98 | 480 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 481 | STATION_INFO_BSS_PARAM | |
7a724767 | 482 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
483 | STATION_INFO_STA_FLAGS | |
484 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
485 | |
486 | do_posix_clock_monotonic_gettime(&uptime); | |
487 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
488 | |
489 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
560d2682 JB |
490 | sinfo->tx_bytes = 0; |
491 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { | |
492 | sinfo->tx_bytes += sta->tx_bytes[ac]; | |
493 | packets += sta->tx_packets[ac]; | |
494 | } | |
495 | sinfo->tx_packets = packets; | |
c5dd9c2b | 496 | sinfo->rx_bytes = sta->rx_bytes; |
98c8a60a | 497 | sinfo->rx_packets = sta->rx_packets; |
b206b4ef BR |
498 | sinfo->tx_retries = sta->tx_retry_count; |
499 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 500 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 501 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 502 | |
19deffbe JL |
503 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
504 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 505 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
506 | if (!local->ops->get_rssi || |
507 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
508 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 509 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab | 510 | } |
ef0621e8 FF |
511 | if (sta->chains) { |
512 | sinfo->filled |= STATION_INFO_CHAIN_SIGNAL | | |
513 | STATION_INFO_CHAIN_SIGNAL_AVG; | |
514 | ||
515 | sinfo->chains = sta->chains; | |
516 | for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) { | |
517 | sinfo->chain_signal[i] = sta->chain_signal_last[i]; | |
518 | sinfo->chain_signal_avg[i] = | |
519 | (s8) -ewma_read(&sta->chain_signal_avg[i]); | |
520 | } | |
521 | } | |
420e7fab | 522 | |
6b62bf32 | 523 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
003e676a | 524 | sta_set_rate_info_rx(sta, &sinfo->rxrate); |
420e7fab | 525 | |
902acc78 | 526 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 527 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
528 | sinfo->filled |= STATION_INFO_LLID | |
529 | STATION_INFO_PLID | | |
3f52b7e3 MP |
530 | STATION_INFO_PLINK_STATE | |
531 | STATION_INFO_LOCAL_PM | | |
532 | STATION_INFO_PEER_PM | | |
533 | STATION_INFO_NONPEER_PM; | |
c5dd9c2b | 534 | |
6f101ef0 CYY |
535 | sinfo->llid = sta->llid; |
536 | sinfo->plid = sta->plid; | |
c5dd9c2b | 537 | sinfo->plink_state = sta->plink_state; |
d299a1f2 JC |
538 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
539 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
540 | sinfo->t_offset = sta->t_offset; | |
541 | } | |
3f52b7e3 MP |
542 | sinfo->local_pm = sta->local_pm; |
543 | sinfo->peer_pm = sta->peer_pm; | |
544 | sinfo->nonpeer_pm = sta->nonpeer_pm; | |
c5dd9c2b | 545 | #endif |
902acc78 | 546 | } |
f4263c98 PS |
547 | |
548 | sinfo->bss_param.flags = 0; | |
549 | if (sdata->vif.bss_conf.use_cts_prot) | |
550 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
551 | if (sdata->vif.bss_conf.use_short_preamble) | |
552 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
553 | if (sdata->vif.bss_conf.use_short_slot) | |
554 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
555 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
556 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
557 | |
558 | sinfo->sta_flags.set = 0; | |
559 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
560 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
561 | BIT(NL80211_STA_FLAG_WME) | | |
562 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 | 563 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
d582cffb | 564 | BIT(NL80211_STA_FLAG_ASSOCIATED) | |
e4121562 | 565 | BIT(NL80211_STA_FLAG_TDLS_PEER); |
7a724767 HS |
566 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
567 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
568 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
569 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
570 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
571 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
572 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
573 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
574 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
575 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
d582cffb JB |
576 | if (test_sta_flag(sta, WLAN_STA_ASSOC)) |
577 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
e4121562 HS |
578 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
579 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
580 | } |
581 | ||
b1ab7925 BG |
582 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
583 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
584 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
585 | "tx_packets", "tx_bytes", "tx_fragments", | |
586 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
587 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
588 | "channel", "noise", "ch_time", "ch_time_busy", | |
589 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
590 | }; |
591 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
592 | ||
593 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
594 | struct net_device *dev, | |
595 | int sset) | |
596 | { | |
e352114f BG |
597 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
598 | int rv = 0; | |
599 | ||
b1ab7925 | 600 | if (sset == ETH_SS_STATS) |
e352114f BG |
601 | rv += STA_STATS_LEN; |
602 | ||
603 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 604 | |
e352114f BG |
605 | if (rv == 0) |
606 | return -EOPNOTSUPP; | |
607 | return rv; | |
b1ab7925 BG |
608 | } |
609 | ||
610 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
611 | struct net_device *dev, | |
612 | struct ethtool_stats *stats, | |
613 | u64 *data) | |
614 | { | |
615 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
616 | struct ieee80211_chanctx_conf *chanctx_conf; |
617 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
618 | struct sta_info *sta; |
619 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
620 | struct station_info sinfo; |
621 | struct survey_info survey; | |
622 | int i, q; | |
623 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
624 | |
625 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
626 | ||
627 | #define ADD_STA_STATS(sta) \ | |
628 | do { \ | |
629 | data[i++] += sta->rx_packets; \ | |
630 | data[i++] += sta->rx_bytes; \ | |
631 | data[i++] += sta->wep_weak_iv_count; \ | |
632 | data[i++] += sta->num_duplicates; \ | |
633 | data[i++] += sta->rx_fragments; \ | |
634 | data[i++] += sta->rx_dropped; \ | |
635 | \ | |
560d2682 JB |
636 | data[i++] += sinfo.tx_packets; \ |
637 | data[i++] += sinfo.tx_bytes; \ | |
b1ab7925 BG |
638 | data[i++] += sta->tx_fragments; \ |
639 | data[i++] += sta->tx_filtered_count; \ | |
640 | data[i++] += sta->tx_retry_failed; \ | |
641 | data[i++] += sta->tx_retry_count; \ | |
642 | data[i++] += sta->beacon_loss_count; \ | |
643 | } while (0) | |
644 | ||
645 | /* For Managed stations, find the single station based on BSSID | |
646 | * and use that. For interface types, iterate through all available | |
647 | * stations and add stats for any station that is assigned to this | |
648 | * network device. | |
649 | */ | |
650 | ||
66572cfc | 651 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
652 | |
653 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
654 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
655 | |
656 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
657 | goto do_survey; | |
658 | ||
560d2682 JB |
659 | sinfo.filled = 0; |
660 | sta_set_sinfo(sta, &sinfo); | |
661 | ||
3073a7c2 BG |
662 | i = 0; |
663 | ADD_STA_STATS(sta); | |
664 | ||
665 | data[i++] = sta->sta_state; | |
666 | ||
3073a7c2 | 667 | |
5204267d | 668 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
669 | data[i] = 100000 * |
670 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
671 | i++; | |
5204267d | 672 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
673 | data[i] = 100000 * |
674 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
675 | i++; | |
676 | ||
5204267d | 677 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
678 | data[i] = (u8)sinfo.signal_avg; |
679 | i++; | |
b1ab7925 | 680 | } else { |
66572cfc | 681 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
682 | /* Make sure this station belongs to the proper dev */ |
683 | if (sta->sdata->dev != dev) | |
684 | continue; | |
685 | ||
e13bae4f JB |
686 | sinfo.filled = 0; |
687 | sta_set_sinfo(sta, &sinfo); | |
b1ab7925 BG |
688 | i = 0; |
689 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
690 | } |
691 | } | |
692 | ||
3073a7c2 BG |
693 | do_survey: |
694 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
695 | /* Get survey stats for current channel */ | |
55de908a | 696 | survey.filled = 0; |
3073a7c2 | 697 | |
55de908a JB |
698 | rcu_read_lock(); |
699 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
700 | if (chanctx_conf) | |
4bf88530 | 701 | channel = chanctx_conf->def.chan; |
55de908a JB |
702 | else |
703 | channel = NULL; | |
704 | rcu_read_unlock(); | |
705 | ||
706 | if (channel) { | |
707 | q = 0; | |
708 | do { | |
709 | survey.filled = 0; | |
710 | if (drv_get_survey(local, q, &survey) != 0) { | |
711 | survey.filled = 0; | |
712 | break; | |
713 | } | |
714 | q++; | |
715 | } while (channel != survey.channel); | |
3073a7c2 BG |
716 | } |
717 | ||
718 | if (survey.filled) | |
719 | data[i++] = survey.channel->center_freq; | |
720 | else | |
721 | data[i++] = 0; | |
722 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
723 | data[i++] = (u8)survey.noise; | |
724 | else | |
725 | data[i++] = -1LL; | |
726 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
727 | data[i++] = survey.channel_time; | |
728 | else | |
729 | data[i++] = -1LL; | |
730 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
731 | data[i++] = survey.channel_time_busy; | |
732 | else | |
733 | data[i++] = -1LL; | |
734 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
735 | data[i++] = survey.channel_time_ext_busy; | |
736 | else | |
737 | data[i++] = -1LL; | |
738 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
739 | data[i++] = survey.channel_time_rx; | |
740 | else | |
741 | data[i++] = -1LL; | |
742 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
743 | data[i++] = survey.channel_time_tx; | |
744 | else | |
745 | data[i++] = -1LL; | |
746 | ||
66572cfc | 747 | mutex_unlock(&local->sta_mtx); |
e352114f | 748 | |
3073a7c2 BG |
749 | if (WARN_ON(i != STA_STATS_LEN)) |
750 | return; | |
751 | ||
e352114f | 752 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
753 | } |
754 | ||
755 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
756 | struct net_device *dev, | |
757 | u32 sset, u8 *data) | |
758 | { | |
e352114f BG |
759 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
760 | int sz_sta_stats = 0; | |
761 | ||
b1ab7925 | 762 | if (sset == ETH_SS_STATS) { |
e352114f | 763 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
bd500af2 | 764 | memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats); |
b1ab7925 | 765 | } |
e352114f | 766 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 767 | } |
c5dd9c2b LCC |
768 | |
769 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
770 | int idx, u8 *mac, struct station_info *sinfo) | |
771 | { | |
3b53fde8 | 772 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 773 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 774 | struct sta_info *sta; |
d0709a65 JB |
775 | int ret = -ENOENT; |
776 | ||
66572cfc | 777 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 778 | |
3b53fde8 | 779 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
780 | if (sta) { |
781 | ret = 0; | |
17741cdc | 782 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
783 | sta_set_sinfo(sta, sinfo); |
784 | } | |
c5dd9c2b | 785 | |
66572cfc | 786 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 787 | |
d0709a65 | 788 | return ret; |
c5dd9c2b LCC |
789 | } |
790 | ||
1289723e HS |
791 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
792 | int idx, struct survey_info *survey) | |
793 | { | |
794 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
795 | ||
1289723e HS |
796 | return drv_get_survey(local, idx, survey); |
797 | } | |
798 | ||
7bbdd2d9 | 799 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 800 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 801 | { |
abe60632 | 802 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 803 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 804 | struct sta_info *sta; |
d0709a65 | 805 | int ret = -ENOENT; |
7bbdd2d9 | 806 | |
66572cfc | 807 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 808 | |
0e5ded5a | 809 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
810 | if (sta) { |
811 | ret = 0; | |
812 | sta_set_sinfo(sta, sinfo); | |
813 | } | |
814 | ||
66572cfc | 815 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
816 | |
817 | return ret; | |
7bbdd2d9 JB |
818 | } |
819 | ||
55de908a | 820 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
683b6d3b | 821 | struct cfg80211_chan_def *chandef) |
3d9e6e12 JB |
822 | { |
823 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
824 | struct ieee80211_sub_if_data *sdata; |
825 | int ret = 0; | |
3d9e6e12 | 826 | |
4bf88530 | 827 | if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) |
55de908a | 828 | return 0; |
3d9e6e12 | 829 | |
55de908a JB |
830 | mutex_lock(&local->iflist_mtx); |
831 | if (local->use_chanctx) { | |
832 | sdata = rcu_dereference_protected( | |
833 | local->monitor_sdata, | |
834 | lockdep_is_held(&local->iflist_mtx)); | |
835 | if (sdata) { | |
836 | ieee80211_vif_release_channel(sdata); | |
4bf88530 | 837 | ret = ieee80211_vif_use_channel(sdata, chandef, |
55de908a JB |
838 | IEEE80211_CHANCTX_EXCLUSIVE); |
839 | } | |
840 | } else if (local->open_count == local->monitors) { | |
675a0b04 | 841 | local->_oper_chandef = *chandef; |
55de908a JB |
842 | ieee80211_hw_config(local, 0); |
843 | } | |
3d9e6e12 | 844 | |
4bf88530 JB |
845 | if (ret == 0) |
846 | local->monitor_chandef = *chandef; | |
55de908a | 847 | mutex_unlock(&local->iflist_mtx); |
3d9e6e12 | 848 | |
55de908a | 849 | return ret; |
e8c9bd5b JB |
850 | } |
851 | ||
02945821 | 852 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 853 | const u8 *resp, size_t resp_len) |
02945821 | 854 | { |
aa7a0080 | 855 | struct probe_resp *new, *old; |
02945821 AN |
856 | |
857 | if (!resp || !resp_len) | |
aba4e6ff | 858 | return 1; |
02945821 | 859 | |
7ca133bc | 860 | old = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
02945821 | 861 | |
aa7a0080 | 862 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
863 | if (!new) |
864 | return -ENOMEM; | |
865 | ||
aa7a0080 ES |
866 | new->len = resp_len; |
867 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
868 | |
869 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
870 | if (old) |
871 | kfree_rcu(old, rcu_head); | |
02945821 AN |
872 | |
873 | return 0; | |
874 | } | |
875 | ||
73da7d5b SW |
876 | int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
877 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
878 | { |
879 | struct beacon_data *new, *old; | |
880 | int new_head_len, new_tail_len; | |
8860020e JB |
881 | int size, err; |
882 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 883 | |
7ca133bc SW |
884 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
885 | ||
5dfdaf58 | 886 | |
5dfdaf58 JB |
887 | /* Need to have a beacon head if we don't have one yet */ |
888 | if (!params->head && !old) | |
8860020e | 889 | return -EINVAL; |
5dfdaf58 JB |
890 | |
891 | /* new or old head? */ | |
892 | if (params->head) | |
893 | new_head_len = params->head_len; | |
894 | else | |
895 | new_head_len = old->head_len; | |
896 | ||
897 | /* new or old tail? */ | |
898 | if (params->tail || !old) | |
899 | /* params->tail_len will be zero for !params->tail */ | |
900 | new_tail_len = params->tail_len; | |
901 | else | |
902 | new_tail_len = old->tail_len; | |
903 | ||
904 | size = sizeof(*new) + new_head_len + new_tail_len; | |
905 | ||
906 | new = kzalloc(size, GFP_KERNEL); | |
907 | if (!new) | |
908 | return -ENOMEM; | |
909 | ||
910 | /* start filling the new info now */ | |
911 | ||
5dfdaf58 JB |
912 | /* |
913 | * pointers go into the block we allocated, | |
914 | * memory is | beacon_data | head | tail | | |
915 | */ | |
916 | new->head = ((u8 *) new) + sizeof(*new); | |
917 | new->tail = new->head + new_head_len; | |
918 | new->head_len = new_head_len; | |
919 | new->tail_len = new_tail_len; | |
920 | ||
921 | /* copy in head */ | |
922 | if (params->head) | |
923 | memcpy(new->head, params->head, new_head_len); | |
924 | else | |
925 | memcpy(new->head, old->head, new_head_len); | |
926 | ||
927 | /* copy in optional tail */ | |
928 | if (params->tail) | |
929 | memcpy(new->tail, params->tail, new_tail_len); | |
930 | else | |
931 | if (old) | |
932 | memcpy(new->tail, old->tail, new_tail_len); | |
933 | ||
02945821 AN |
934 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
935 | params->probe_resp_len); | |
8860020e JB |
936 | if (err < 0) |
937 | return err; | |
938 | if (err == 0) | |
02945821 AN |
939 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
940 | ||
8860020e JB |
941 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
942 | ||
943 | if (old) | |
944 | kfree_rcu(old, rcu_head); | |
7827493b | 945 | |
8860020e | 946 | return changed; |
5dfdaf58 JB |
947 | } |
948 | ||
8860020e JB |
949 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
950 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 951 | { |
8860020e | 952 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 953 | struct beacon_data *old; |
665c93a9 | 954 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
955 | u32 changed = BSS_CHANGED_BEACON_INT | |
956 | BSS_CHANGED_BEACON_ENABLED | | |
957 | BSS_CHANGED_BEACON | | |
339afbf4 JB |
958 | BSS_CHANGED_SSID | |
959 | BSS_CHANGED_P2P_PS; | |
8860020e | 960 | int err; |
14db74bc | 961 | |
7ca133bc | 962 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
963 | if (old) |
964 | return -EALREADY; | |
965 | ||
04ecd257 JB |
966 | /* TODO: make hostapd tell us what it wants */ |
967 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
968 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
164eb02d | 969 | sdata->radar_required = params->radar_required; |
04ecd257 | 970 | |
4bf88530 | 971 | err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, |
55de908a | 972 | IEEE80211_CHANCTX_SHARED); |
aa430da4 JB |
973 | if (err) |
974 | return err; | |
1f4ac5a6 | 975 | ieee80211_vif_copy_chanctx_to_vlans(sdata, false); |
aa430da4 | 976 | |
665c93a9 JB |
977 | /* |
978 | * Apply control port protocol, this allows us to | |
979 | * not encrypt dynamic WEP control frames. | |
980 | */ | |
981 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
982 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
983 | sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, |
984 | ¶ms->crypto, | |
985 | sdata->vif.type); | |
986 | ||
665c93a9 JB |
987 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { |
988 | vlan->control_port_protocol = | |
989 | params->crypto.control_port_ethertype; | |
990 | vlan->control_port_no_encrypt = | |
991 | params->crypto.control_port_no_encrypt; | |
2475b1cc MS |
992 | vlan->encrypt_headroom = |
993 | ieee80211_cs_headroom(sdata->local, | |
994 | ¶ms->crypto, | |
995 | vlan->vif.type); | |
665c93a9 JB |
996 | } |
997 | ||
8860020e JB |
998 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
999 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
d6a83228 | 1000 | sdata->vif.bss_conf.enable_beacon = true; |
8860020e JB |
1001 | |
1002 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
1003 | if (params->ssid_len) | |
1004 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
1005 | params->ssid_len); | |
1006 | sdata->vif.bss_conf.hidden_ssid = | |
1007 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
1008 | ||
67baf663 JD |
1009 | memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, |
1010 | sizeof(sdata->vif.bss_conf.p2p_noa_attr)); | |
1011 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = | |
1012 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
1013 | if (params->p2p_opp_ps) | |
1014 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
1015 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 | 1016 | |
8860020e JB |
1017 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); |
1018 | if (err < 0) | |
1019 | return err; | |
1020 | changed |= err; | |
1021 | ||
1041638f JB |
1022 | err = drv_start_ap(sdata->local, sdata); |
1023 | if (err) { | |
7ca133bc SW |
1024 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
1025 | ||
1041638f JB |
1026 | if (old) |
1027 | kfree_rcu(old, rcu_head); | |
1028 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); | |
1029 | return err; | |
1030 | } | |
1031 | ||
8860020e JB |
1032 | ieee80211_bss_info_change_notify(sdata, changed); |
1033 | ||
3edaf3e6 JB |
1034 | netif_carrier_on(dev); |
1035 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
1036 | netif_carrier_on(vlan->dev); | |
1037 | ||
665c93a9 | 1038 | return 0; |
5dfdaf58 JB |
1039 | } |
1040 | ||
8860020e JB |
1041 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
1042 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 1043 | { |
14db74bc | 1044 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 1045 | struct beacon_data *old; |
8860020e | 1046 | int err; |
5dfdaf58 | 1047 | |
14db74bc JB |
1048 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1049 | ||
73da7d5b SW |
1050 | /* don't allow changing the beacon while CSA is in place - offset |
1051 | * of channel switch counter may change | |
1052 | */ | |
1053 | if (sdata->vif.csa_active) | |
1054 | return -EBUSY; | |
1055 | ||
7ca133bc | 1056 | old = sdata_dereference(sdata->u.ap.beacon, sdata); |
5dfdaf58 JB |
1057 | if (!old) |
1058 | return -ENOENT; | |
1059 | ||
8860020e JB |
1060 | err = ieee80211_assign_beacon(sdata, params); |
1061 | if (err < 0) | |
1062 | return err; | |
1063 | ieee80211_bss_info_change_notify(sdata, err); | |
1064 | return 0; | |
5dfdaf58 JB |
1065 | } |
1066 | ||
8860020e | 1067 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 1068 | { |
7b20b8e8 JB |
1069 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1070 | struct ieee80211_sub_if_data *vlan; | |
1071 | struct ieee80211_local *local = sdata->local; | |
1072 | struct beacon_data *old_beacon; | |
1073 | struct probe_resp *old_probe_resp; | |
d2859df5 | 1074 | struct cfg80211_chan_def chandef; |
14db74bc | 1075 | |
7ca133bc | 1076 | old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); |
7b20b8e8 | 1077 | if (!old_beacon) |
5dfdaf58 | 1078 | return -ENOENT; |
7ca133bc | 1079 | old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); |
5dfdaf58 | 1080 | |
73da7d5b SW |
1081 | /* abort any running channel switch */ |
1082 | sdata->vif.csa_active = false; | |
1f3b8a2b SW |
1083 | kfree(sdata->u.ap.next_beacon); |
1084 | sdata->u.ap.next_beacon = NULL; | |
1085 | ||
687da132 | 1086 | cancel_work_sync(&sdata->u.ap.request_smps_work); |
73da7d5b | 1087 | |
7b20b8e8 | 1088 | /* turn off carrier for this interface and dependent VLANs */ |
3edaf3e6 JB |
1089 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
1090 | netif_carrier_off(vlan->dev); | |
1091 | netif_carrier_off(dev); | |
1092 | ||
7b20b8e8 | 1093 | /* remove beacon and probe response */ |
a9b3cd7f | 1094 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
7b20b8e8 JB |
1095 | RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); |
1096 | kfree_rcu(old_beacon, rcu_head); | |
1097 | if (old_probe_resp) | |
1098 | kfree_rcu(old_probe_resp, rcu_head); | |
8860020e | 1099 | |
e716251d | 1100 | __sta_info_flush(sdata, true); |
7907c7d3 | 1101 | ieee80211_free_keys(sdata, true); |
75de9113 | 1102 | |
d6a83228 | 1103 | sdata->vif.bss_conf.enable_beacon = false; |
0eabccd9 | 1104 | sdata->vif.bss_conf.ssid_len = 0; |
d6a83228 | 1105 | clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); |
2d0ddec5 | 1106 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 1107 | |
a6b368f6 | 1108 | if (sdata->wdev.cac_started) { |
d2859df5 | 1109 | chandef = sdata->vif.bss_conf.chandef; |
a6b368f6 | 1110 | cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); |
d2859df5 JD |
1111 | cfg80211_cac_event(sdata->dev, &chandef, |
1112 | NL80211_RADAR_CAC_ABORTED, | |
a6b368f6 SW |
1113 | GFP_KERNEL); |
1114 | } | |
1115 | ||
1041638f JB |
1116 | drv_stop_ap(sdata->local, sdata); |
1117 | ||
7b20b8e8 JB |
1118 | /* free all potentially still buffered bcast frames */ |
1119 | local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); | |
1120 | skb_queue_purge(&sdata->u.ap.ps.bc_buf); | |
1121 | ||
1f4ac5a6 | 1122 | ieee80211_vif_copy_chanctx_to_vlans(sdata, true); |
55de908a JB |
1123 | ieee80211_vif_release_channel(sdata); |
1124 | ||
2d0ddec5 | 1125 | return 0; |
5dfdaf58 JB |
1126 | } |
1127 | ||
4fd6931e JB |
1128 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
1129 | struct iapp_layer2_update { | |
1130 | u8 da[ETH_ALEN]; /* broadcast */ | |
1131 | u8 sa[ETH_ALEN]; /* STA addr */ | |
1132 | __be16 len; /* 6 */ | |
1133 | u8 dsap; /* 0 */ | |
1134 | u8 ssap; /* 0 */ | |
1135 | u8 control; | |
1136 | u8 xid_info[3]; | |
bc10502d | 1137 | } __packed; |
4fd6931e JB |
1138 | |
1139 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
1140 | { | |
1141 | struct iapp_layer2_update *msg; | |
1142 | struct sk_buff *skb; | |
1143 | ||
1144 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
1145 | * bridge devices */ | |
1146 | ||
1147 | skb = dev_alloc_skb(sizeof(*msg)); | |
1148 | if (!skb) | |
1149 | return; | |
1150 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1151 | ||
1152 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1153 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1154 | ||
e83e6541 | 1155 | eth_broadcast_addr(msg->da); |
17741cdc | 1156 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1157 | msg->len = htons(6); |
1158 | msg->dsap = 0; | |
1159 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1160 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1161 | * F=0 (no poll command; unsolicited frame) */ | |
1162 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1163 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1164 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1165 | ||
d0709a65 JB |
1166 | skb->dev = sta->sdata->dev; |
1167 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1168 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1169 | netif_rx_ni(skb); |
4fd6931e JB |
1170 | } |
1171 | ||
d582cffb JB |
1172 | static int sta_apply_auth_flags(struct ieee80211_local *local, |
1173 | struct sta_info *sta, | |
1174 | u32 mask, u32 set) | |
1175 | { | |
1176 | int ret; | |
1177 | ||
1178 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1179 | set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1180 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1181 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1182 | if (ret) | |
1183 | return ret; | |
1184 | } | |
1185 | ||
1186 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1187 | set & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1188 | !test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1189 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1190 | if (ret) | |
1191 | return ret; | |
1192 | } | |
1193 | ||
1194 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1195 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1196 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); | |
1197 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1198 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
1199 | else | |
1200 | ret = 0; | |
1201 | if (ret) | |
1202 | return ret; | |
1203 | } | |
1204 | ||
1205 | if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && | |
1206 | !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && | |
1207 | test_sta_flag(sta, WLAN_STA_ASSOC)) { | |
1208 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); | |
1209 | if (ret) | |
1210 | return ret; | |
1211 | } | |
1212 | ||
1213 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1214 | !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1215 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
1216 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); | |
1217 | if (ret) | |
1218 | return ret; | |
1219 | } | |
1220 | ||
1221 | return 0; | |
1222 | } | |
1223 | ||
d9a7ddb0 JB |
1224 | static int sta_apply_parameters(struct ieee80211_local *local, |
1225 | struct sta_info *sta, | |
1226 | struct station_parameters *params) | |
4fd6931e | 1227 | { |
d9a7ddb0 | 1228 | int ret = 0; |
8318d78a | 1229 | struct ieee80211_supported_band *sband; |
d0709a65 | 1230 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1231 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1232 | u32 mask, set; |
4fd6931e | 1233 | |
55de908a | 1234 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1235 | |
eccb8e8f JB |
1236 | mask = params->sta_flags_mask; |
1237 | set = params->sta_flags_set; | |
73651ee6 | 1238 | |
d582cffb JB |
1239 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
1240 | /* | |
1241 | * In mesh mode, ASSOCIATED isn't part of the nl80211 | |
1242 | * API but must follow AUTHENTICATED for driver state. | |
1243 | */ | |
1244 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1245 | mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1246 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
1247 | set |= BIT(NL80211_STA_FLAG_ASSOCIATED); | |
77ee7c89 JB |
1248 | } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
1249 | /* | |
1250 | * TDLS -- everything follows authorized, but | |
1251 | * only becoming authorized is possible, not | |
1252 | * going back | |
1253 | */ | |
1254 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { | |
1255 | set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1256 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1257 | mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
1258 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
1259 | } | |
eccb8e8f | 1260 | } |
4fd6931e | 1261 | |
d582cffb JB |
1262 | ret = sta_apply_auth_flags(local, sta, mask, set); |
1263 | if (ret) | |
1264 | return ret; | |
d9a7ddb0 | 1265 | |
eccb8e8f | 1266 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1267 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1268 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1269 | else | |
1270 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1271 | } |
4fd6931e | 1272 | |
eccb8e8f | 1273 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1274 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1275 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1276 | sta->sta.wme = true; |
c2c98fde JB |
1277 | } else { |
1278 | clear_sta_flag(sta, WLAN_STA_WME); | |
1279 | sta->sta.wme = false; | |
39df600a | 1280 | } |
eccb8e8f | 1281 | } |
5394af4d | 1282 | |
eccb8e8f | 1283 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1284 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1285 | set_sta_flag(sta, WLAN_STA_MFP); |
1286 | else | |
1287 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1288 | } |
b39c48fa | 1289 | |
07ba55d7 | 1290 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1291 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1292 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1293 | else | |
1294 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1295 | } |
4fd6931e | 1296 | |
3b9ce80c JB |
1297 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1298 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1299 | sta->sta.max_sp = params->max_sp; | |
1300 | } | |
9533b4ac | 1301 | |
51b50fbe JB |
1302 | /* |
1303 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1304 | * only when creating a new station entry | |
1305 | */ | |
1306 | if (params->aid) | |
1307 | sta->sta.aid = params->aid; | |
1308 | ||
73651ee6 | 1309 | /* |
ba23d206 JB |
1310 | * Some of the following updates would be racy if called on an |
1311 | * existing station, via ieee80211_change_station(). However, | |
1312 | * all such changes are rejected by cfg80211 except for updates | |
1313 | * changing the supported rates on an existing but not yet used | |
1314 | * TDLS peer. | |
73651ee6 JB |
1315 | */ |
1316 | ||
4fd6931e JB |
1317 | if (params->listen_interval >= 0) |
1318 | sta->listen_interval = params->listen_interval; | |
1319 | ||
1320 | if (params->supported_rates) { | |
2103dec1 SW |
1321 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
1322 | sband, params->supported_rates, | |
1323 | params->supported_rates_len, | |
1324 | &sta->sta.supp_rates[band]); | |
4fd6931e | 1325 | } |
c5dd9c2b | 1326 | |
d9fe60de | 1327 | if (params->ht_capa) |
ef96a842 | 1328 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
e1a0c6b3 | 1329 | params->ht_capa, sta); |
36aedc90 | 1330 | |
f461be3e MP |
1331 | if (params->vht_capa) |
1332 | ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, | |
4a34215e | 1333 | params->vht_capa, sta); |
f461be3e | 1334 | |
9c3990aa | 1335 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1336 | #ifdef CONFIG_MAC80211_MESH |
39886b61 | 1337 | u32 changed = 0; |
77ee7c89 JB |
1338 | |
1339 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { | |
9c3990aa | 1340 | switch (params->plink_state) { |
57cf8043 | 1341 | case NL80211_PLINK_ESTAB: |
1617bab8 MP |
1342 | if (sta->plink_state != NL80211_PLINK_ESTAB) |
1343 | changed = mesh_plink_inc_estab_count( | |
1344 | sdata); | |
1345 | sta->plink_state = params->plink_state; | |
3f52b7e3 MP |
1346 | |
1347 | ieee80211_mps_sta_status_update(sta); | |
39886b61 TP |
1348 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1349 | sdata->u.mesh.mshcfg.power_mode); | |
1617bab8 MP |
1350 | break; |
1351 | case NL80211_PLINK_LISTEN: | |
57cf8043 | 1352 | case NL80211_PLINK_BLOCKED: |
1617bab8 MP |
1353 | case NL80211_PLINK_OPN_SNT: |
1354 | case NL80211_PLINK_OPN_RCVD: | |
1355 | case NL80211_PLINK_CNF_RCVD: | |
1356 | case NL80211_PLINK_HOLDING: | |
1357 | if (sta->plink_state == NL80211_PLINK_ESTAB) | |
1358 | changed = mesh_plink_dec_estab_count( | |
1359 | sdata); | |
9c3990aa | 1360 | sta->plink_state = params->plink_state; |
3f52b7e3 MP |
1361 | |
1362 | ieee80211_mps_sta_status_update(sta); | |
446075d7 MP |
1363 | changed |= ieee80211_mps_set_sta_local_pm(sta, |
1364 | NL80211_MESH_POWER_UNKNOWN); | |
9c3990aa JC |
1365 | break; |
1366 | default: | |
1367 | /* nothing */ | |
1368 | break; | |
1369 | } | |
77ee7c89 JB |
1370 | } |
1371 | ||
1372 | switch (params->plink_action) { | |
1373 | case NL80211_PLINK_ACTION_NO_ACTION: | |
1374 | /* nothing */ | |
1375 | break; | |
1376 | case NL80211_PLINK_ACTION_OPEN: | |
1377 | changed |= mesh_plink_open(sta); | |
1378 | break; | |
1379 | case NL80211_PLINK_ACTION_BLOCK: | |
1380 | changed |= mesh_plink_block(sta); | |
1381 | break; | |
1617bab8 | 1382 | } |
3f52b7e3 MP |
1383 | |
1384 | if (params->local_pm) | |
39886b61 TP |
1385 | changed |= |
1386 | ieee80211_mps_set_sta_local_pm(sta, | |
1387 | params->local_pm); | |
6c751ef8 | 1388 | ieee80211_mbss_info_change_notify(sdata, changed); |
4daf50f2 | 1389 | #endif |
902acc78 | 1390 | } |
d9a7ddb0 JB |
1391 | |
1392 | return 0; | |
4fd6931e JB |
1393 | } |
1394 | ||
1395 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1396 | u8 *mac, struct station_parameters *params) | |
1397 | { | |
14db74bc | 1398 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1399 | struct sta_info *sta; |
1400 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1401 | int err; |
b8d476c8 | 1402 | int layer2_update; |
4fd6931e | 1403 | |
4fd6931e JB |
1404 | if (params->vlan) { |
1405 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1406 | ||
05c914fe JB |
1407 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1408 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1409 | return -EINVAL; |
1410 | } else | |
1411 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1412 | ||
b203ca39 | 1413 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1414 | return -EINVAL; |
1415 | ||
1416 | if (is_multicast_ether_addr(mac)) | |
1417 | return -EINVAL; | |
1418 | ||
1419 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1420 | if (!sta) |
1421 | return -ENOMEM; | |
4fd6931e | 1422 | |
d582cffb JB |
1423 | /* |
1424 | * defaults -- if userspace wants something else we'll | |
1425 | * change it accordingly in sta_apply_parameters() | |
1426 | */ | |
77ee7c89 JB |
1427 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { |
1428 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); | |
1429 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
1430 | } | |
4fd6931e | 1431 | |
d9a7ddb0 JB |
1432 | err = sta_apply_parameters(local, sta, params); |
1433 | if (err) { | |
1434 | sta_info_free(local, sta); | |
1435 | return err; | |
1436 | } | |
4fd6931e | 1437 | |
d64cf63e | 1438 | /* |
77ee7c89 JB |
1439 | * for TDLS, rate control should be initialized only when |
1440 | * rates are known and station is marked authorized | |
d64cf63e AN |
1441 | */ |
1442 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1443 | rate_control_rate_init(sta); | |
4fd6931e | 1444 | |
b8d476c8 JM |
1445 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1446 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1447 | ||
34e89507 | 1448 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1449 | if (err) { |
73651ee6 JB |
1450 | rcu_read_unlock(); |
1451 | return err; | |
1452 | } | |
1453 | ||
b8d476c8 | 1454 | if (layer2_update) |
73651ee6 JB |
1455 | ieee80211_send_layer2_update(sta); |
1456 | ||
1457 | rcu_read_unlock(); | |
1458 | ||
4fd6931e JB |
1459 | return 0; |
1460 | } | |
1461 | ||
1462 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1463 | u8 *mac) | |
1464 | { | |
14db74bc | 1465 | struct ieee80211_sub_if_data *sdata; |
4fd6931e | 1466 | |
14db74bc JB |
1467 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1468 | ||
34e89507 JB |
1469 | if (mac) |
1470 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1471 | |
b998e8bb | 1472 | sta_info_flush(sdata); |
4fd6931e JB |
1473 | return 0; |
1474 | } | |
1475 | ||
1476 | static int ieee80211_change_station(struct wiphy *wiphy, | |
77ee7c89 | 1477 | struct net_device *dev, u8 *mac, |
4fd6931e JB |
1478 | struct station_parameters *params) |
1479 | { | |
abe60632 | 1480 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1481 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1482 | struct sta_info *sta; |
1483 | struct ieee80211_sub_if_data *vlansdata; | |
77ee7c89 | 1484 | enum cfg80211_station_type statype; |
35b88623 | 1485 | int err; |
4fd6931e | 1486 | |
87be1e1e | 1487 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1488 | |
0e5ded5a | 1489 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1490 | if (!sta) { |
77ee7c89 JB |
1491 | err = -ENOENT; |
1492 | goto out_err; | |
98dd6a57 | 1493 | } |
4fd6931e | 1494 | |
77ee7c89 JB |
1495 | switch (sdata->vif.type) { |
1496 | case NL80211_IFTYPE_MESH_POINT: | |
a6dad6a2 | 1497 | if (sdata->u.mesh.user_mpm) |
eef941e6 | 1498 | statype = CFG80211_STA_MESH_PEER_USER; |
77ee7c89 | 1499 | else |
eef941e6 | 1500 | statype = CFG80211_STA_MESH_PEER_KERNEL; |
77ee7c89 JB |
1501 | break; |
1502 | case NL80211_IFTYPE_ADHOC: | |
1503 | statype = CFG80211_STA_IBSS; | |
1504 | break; | |
1505 | case NL80211_IFTYPE_STATION: | |
1506 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
1507 | statype = CFG80211_STA_AP_STA; | |
1508 | break; | |
1509 | } | |
1510 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
1511 | statype = CFG80211_STA_TDLS_PEER_ACTIVE; | |
1512 | else | |
1513 | statype = CFG80211_STA_TDLS_PEER_SETUP; | |
1514 | break; | |
1515 | case NL80211_IFTYPE_AP: | |
1516 | case NL80211_IFTYPE_AP_VLAN: | |
1517 | statype = CFG80211_STA_AP_CLIENT; | |
1518 | break; | |
1519 | default: | |
1520 | err = -EOPNOTSUPP; | |
1521 | goto out_err; | |
bdd90d5e JB |
1522 | } |
1523 | ||
77ee7c89 JB |
1524 | err = cfg80211_check_station_change(wiphy, params, statype); |
1525 | if (err) | |
1526 | goto out_err; | |
1527 | ||
d0709a65 | 1528 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1529 | bool prev_4addr = false; |
1530 | bool new_4addr = false; | |
1531 | ||
4fd6931e JB |
1532 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1533 | ||
9bc383de | 1534 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1535 | if (vlansdata->u.vlan.sta) { |
77ee7c89 JB |
1536 | err = -EBUSY; |
1537 | goto out_err; | |
3305443c | 1538 | } |
f14543ee | 1539 | |
cf778b00 | 1540 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1541 | new_4addr = true; |
1542 | } | |
1543 | ||
1544 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1545 | sta->sdata->u.vlan.sta) { | |
1546 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1547 | prev_4addr = true; | |
f14543ee FF |
1548 | } |
1549 | ||
14db74bc | 1550 | sta->sdata = vlansdata; |
7e3ed02c FF |
1551 | |
1552 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1553 | prev_4addr != new_4addr) { | |
1554 | if (new_4addr) | |
1555 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1556 | else | |
1557 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1558 | } | |
1559 | ||
4fd6931e JB |
1560 | ieee80211_send_layer2_update(sta); |
1561 | } | |
1562 | ||
35b88623 | 1563 | err = sta_apply_parameters(local, sta, params); |
77ee7c89 JB |
1564 | if (err) |
1565 | goto out_err; | |
4fd6931e | 1566 | |
77ee7c89 JB |
1567 | /* When peer becomes authorized, init rate control as well */ |
1568 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && | |
1569 | test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
d64cf63e AN |
1570 | rate_control_rate_init(sta); |
1571 | ||
87be1e1e | 1572 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1573 | |
687da132 EG |
1574 | if ((sdata->vif.type == NL80211_IFTYPE_AP || |
1575 | sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && | |
1576 | sta->known_smps_mode != sta->sdata->bss->req_smps && | |
1577 | test_sta_flag(sta, WLAN_STA_AUTHORIZED) && | |
1578 | sta_info_tx_streams(sta) != 1) { | |
1579 | ht_dbg(sta->sdata, | |
1580 | "%pM just authorized and MIMO capable - update SMPS\n", | |
1581 | sta->sta.addr); | |
1582 | ieee80211_send_smps_action(sta->sdata, | |
1583 | sta->sdata->bss->req_smps, | |
1584 | sta->sta.addr, | |
1585 | sta->sdata->vif.bss_conf.bssid); | |
1586 | } | |
1587 | ||
808118cb | 1588 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1589 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1590 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1591 | ieee80211_recalc_ps_vif(sdata); |
1592 | } | |
77ee7c89 | 1593 | |
4fd6931e | 1594 | return 0; |
77ee7c89 JB |
1595 | out_err: |
1596 | mutex_unlock(&local->sta_mtx); | |
1597 | return err; | |
4fd6931e JB |
1598 | } |
1599 | ||
c5dd9c2b LCC |
1600 | #ifdef CONFIG_MAC80211_MESH |
1601 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1602 | u8 *dst, u8 *next_hop) | |
1603 | { | |
14db74bc | 1604 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1605 | struct mesh_path *mpath; |
1606 | struct sta_info *sta; | |
c5dd9c2b | 1607 | |
14db74bc JB |
1608 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1609 | ||
d0709a65 | 1610 | rcu_read_lock(); |
abe60632 | 1611 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1612 | if (!sta) { |
1613 | rcu_read_unlock(); | |
c5dd9c2b | 1614 | return -ENOENT; |
d0709a65 | 1615 | } |
c5dd9c2b | 1616 | |
ae76eef0 BC |
1617 | mpath = mesh_path_add(sdata, dst); |
1618 | if (IS_ERR(mpath)) { | |
d0709a65 | 1619 | rcu_read_unlock(); |
ae76eef0 | 1620 | return PTR_ERR(mpath); |
d0709a65 | 1621 | } |
c5dd9c2b | 1622 | |
c5dd9c2b | 1623 | mesh_path_fix_nexthop(mpath, sta); |
d0709a65 | 1624 | |
c5dd9c2b LCC |
1625 | rcu_read_unlock(); |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
bf7cd94d | 1630 | u8 *dst) |
c5dd9c2b | 1631 | { |
f698d856 JBG |
1632 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1633 | ||
c5dd9c2b | 1634 | if (dst) |
bf7cd94d | 1635 | return mesh_path_del(sdata, dst); |
c5dd9c2b | 1636 | |
ece1a2e7 | 1637 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1638 | return 0; |
1639 | } | |
1640 | ||
1641 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1642 | struct net_device *dev, | |
1643 | u8 *dst, u8 *next_hop) | |
1644 | { | |
14db74bc | 1645 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1646 | struct mesh_path *mpath; |
1647 | struct sta_info *sta; | |
1648 | ||
14db74bc JB |
1649 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1650 | ||
d0709a65 JB |
1651 | rcu_read_lock(); |
1652 | ||
abe60632 | 1653 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1654 | if (!sta) { |
1655 | rcu_read_unlock(); | |
c5dd9c2b | 1656 | return -ENOENT; |
d0709a65 | 1657 | } |
c5dd9c2b | 1658 | |
bf7cd94d | 1659 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1660 | if (!mpath) { |
1661 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1662 | return -ENOENT; |
1663 | } | |
1664 | ||
1665 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1666 | |
c5dd9c2b LCC |
1667 | rcu_read_unlock(); |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1672 | struct mpath_info *pinfo) | |
1673 | { | |
a3836e02 JB |
1674 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1675 | ||
1676 | if (next_hop_sta) | |
1677 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1678 | else |
1679 | memset(next_hop, 0, ETH_ALEN); | |
1680 | ||
7ce8c7a3 LAYS |
1681 | memset(pinfo, 0, sizeof(*pinfo)); |
1682 | ||
f5ea9120 JB |
1683 | pinfo->generation = mesh_paths_generation; |
1684 | ||
c5dd9c2b | 1685 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1686 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1687 | MPATH_INFO_METRIC | |
1688 | MPATH_INFO_EXPTIME | | |
1689 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1690 | MPATH_INFO_DISCOVERY_RETRIES | | |
1691 | MPATH_INFO_FLAGS; | |
1692 | ||
1693 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1694 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1695 | pinfo->metric = mpath->metric; |
1696 | if (time_before(jiffies, mpath->exp_time)) | |
1697 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1698 | pinfo->discovery_timeout = | |
1699 | jiffies_to_msecs(mpath->discovery_timeout); | |
1700 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1701 | if (mpath->flags & MESH_PATH_ACTIVE) |
1702 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1703 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1704 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1705 | if (mpath->flags & MESH_PATH_SN_VALID) |
1706 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1707 | if (mpath->flags & MESH_PATH_FIXED) |
1708 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1709 | if (mpath->flags & MESH_PATH_RESOLVED) |
1710 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1711 | } |
1712 | ||
1713 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1714 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1715 | ||
1716 | { | |
14db74bc | 1717 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1718 | struct mesh_path *mpath; |
1719 | ||
14db74bc JB |
1720 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1721 | ||
c5dd9c2b | 1722 | rcu_read_lock(); |
bf7cd94d | 1723 | mpath = mesh_path_lookup(sdata, dst); |
c5dd9c2b LCC |
1724 | if (!mpath) { |
1725 | rcu_read_unlock(); | |
1726 | return -ENOENT; | |
1727 | } | |
1728 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1729 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1730 | rcu_read_unlock(); | |
1731 | return 0; | |
1732 | } | |
1733 | ||
1734 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1735 | int idx, u8 *dst, u8 *next_hop, | |
1736 | struct mpath_info *pinfo) | |
1737 | { | |
14db74bc | 1738 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1739 | struct mesh_path *mpath; |
1740 | ||
14db74bc JB |
1741 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1742 | ||
c5dd9c2b | 1743 | rcu_read_lock(); |
bf7cd94d | 1744 | mpath = mesh_path_lookup_by_idx(sdata, idx); |
c5dd9c2b LCC |
1745 | if (!mpath) { |
1746 | rcu_read_unlock(); | |
1747 | return -ENOENT; | |
1748 | } | |
1749 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1750 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1751 | rcu_read_unlock(); | |
1752 | return 0; | |
1753 | } | |
93da9cc1 | 1754 | |
24bdd9f4 | 1755 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1756 | struct net_device *dev, |
1757 | struct mesh_config *conf) | |
1758 | { | |
1759 | struct ieee80211_sub_if_data *sdata; | |
1760 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1761 | ||
93da9cc1 | 1762 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1767 | { | |
1768 | return (mask >> (parm-1)) & 0x1; | |
1769 | } | |
1770 | ||
c80d545d JC |
1771 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1772 | const struct mesh_setup *setup) | |
1773 | { | |
1774 | u8 *new_ie; | |
1775 | const u8 *old_ie; | |
4bb62344 CYY |
1776 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1777 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1778 | |
581a8b0f | 1779 | /* allocate information elements */ |
c80d545d | 1780 | new_ie = NULL; |
581a8b0f | 1781 | old_ie = ifmsh->ie; |
c80d545d | 1782 | |
581a8b0f JC |
1783 | if (setup->ie_len) { |
1784 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1785 | GFP_KERNEL); |
1786 | if (!new_ie) | |
1787 | return -ENOMEM; | |
1788 | } | |
581a8b0f JC |
1789 | ifmsh->ie_len = setup->ie_len; |
1790 | ifmsh->ie = new_ie; | |
1791 | kfree(old_ie); | |
c80d545d JC |
1792 | |
1793 | /* now copy the rest of the setup parameters */ | |
1794 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1795 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1796 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1797 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1798 | ifmsh->mesh_pm_id = setup->path_metric; | |
a6dad6a2 | 1799 | ifmsh->user_mpm = setup->user_mpm; |
0d4261ad | 1800 | ifmsh->mesh_auth_id = setup->auth_id; |
b130e5ce JC |
1801 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1802 | if (setup->is_authenticated) | |
1803 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1804 | if (setup->is_secure) | |
1805 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1806 | |
4bb62344 CYY |
1807 | /* mcast rate setting in Mesh Node */ |
1808 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1809 | sizeof(setup->mcast_rate)); | |
ffb3cf30 | 1810 | sdata->vif.bss_conf.basic_rates = setup->basic_rates; |
4bb62344 | 1811 | |
9bdbf04d MP |
1812 | sdata->vif.bss_conf.beacon_int = setup->beacon_interval; |
1813 | sdata->vif.bss_conf.dtim_period = setup->dtim_period; | |
1814 | ||
c80d545d JC |
1815 | return 0; |
1816 | } | |
1817 | ||
24bdd9f4 | 1818 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1819 | struct net_device *dev, u32 mask, |
1820 | const struct mesh_config *nconf) | |
93da9cc1 | 1821 | { |
1822 | struct mesh_config *conf; | |
1823 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1824 | struct ieee80211_if_mesh *ifmsh; |
1825 | ||
93da9cc1 | 1826 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1827 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1828 | |
93da9cc1 | 1829 | /* Set the config options which we are interested in setting */ |
1830 | conf = &(sdata->u.mesh.mshcfg); | |
1831 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1832 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1833 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1834 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1835 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1836 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1837 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1838 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1839 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1840 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1841 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1842 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1843 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1844 | conf->element_ttl = nconf->element_ttl; |
146bb483 TP |
1845 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { |
1846 | if (ifmsh->user_mpm) | |
1847 | return -EBUSY; | |
93da9cc1 | 1848 | conf->auto_open_plinks = nconf->auto_open_plinks; |
146bb483 | 1849 | } |
d299a1f2 JC |
1850 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1851 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1852 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1853 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1854 | conf->dot11MeshHWMPmaxPREQretries = | |
1855 | nconf->dot11MeshHWMPmaxPREQretries; | |
1856 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1857 | conf->path_refresh_time = nconf->path_refresh_time; | |
1858 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1859 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1860 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1861 | conf->dot11MeshHWMPactivePathTimeout = | |
1862 | nconf->dot11MeshHWMPactivePathTimeout; | |
1863 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1864 | conf->dot11MeshHWMPpreqMinInterval = | |
1865 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1866 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1867 | conf->dot11MeshHWMPperrMinInterval = | |
1868 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1869 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1870 | mask)) | |
1871 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1872 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1873 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1874 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1875 | ieee80211_mesh_root_setup(ifmsh); | |
1876 | } | |
16dd7267 | 1877 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1878 | /* our current gate announcement implementation rides on root |
1879 | * announcements, so require this ifmsh to also be a root node | |
1880 | * */ | |
1881 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1882 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1883 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1884 | ieee80211_mesh_root_setup(ifmsh); |
1885 | } | |
16dd7267 JC |
1886 | conf->dot11MeshGateAnnouncementProtocol = |
1887 | nconf->dot11MeshGateAnnouncementProtocol; | |
1888 | } | |
a4f606ea | 1889 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1890 | conf->dot11MeshHWMPRannInterval = |
1891 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1892 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1893 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1894 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1895 | /* our RSSI threshold implementation is supported only for | |
1896 | * devices that report signal in dBm. | |
1897 | */ | |
1898 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1899 | return -ENOTSUPP; | |
1900 | conf->rssi_threshold = nconf->rssi_threshold; | |
1901 | } | |
70c33eaa AN |
1902 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1903 | conf->ht_opmode = nconf->ht_opmode; | |
1904 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1905 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1906 | } | |
ac1073a6 CYY |
1907 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1908 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1909 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1910 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1911 | conf->dot11MeshHWMProotInterval = | |
1912 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1913 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1914 | conf->dot11MeshHWMPconfirmationInterval = | |
1915 | nconf->dot11MeshHWMPconfirmationInterval; | |
3f52b7e3 MP |
1916 | if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { |
1917 | conf->power_mode = nconf->power_mode; | |
1918 | ieee80211_mps_local_status_update(sdata); | |
1919 | } | |
2b5e1967 | 1920 | if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) |
3f52b7e3 MP |
1921 | conf->dot11MeshAwakeWindowDuration = |
1922 | nconf->dot11MeshAwakeWindowDuration; | |
66de6713 CT |
1923 | if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) |
1924 | conf->plink_timeout = nconf->plink_timeout; | |
2b5e1967 | 1925 | ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); |
93da9cc1 | 1926 | return 0; |
1927 | } | |
1928 | ||
29cbe68c JB |
1929 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1930 | const struct mesh_config *conf, | |
1931 | const struct mesh_setup *setup) | |
1932 | { | |
1933 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1934 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1935 | int err; |
29cbe68c | 1936 | |
c80d545d JC |
1937 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1938 | err = copy_mesh_setup(ifmsh, setup); | |
1939 | if (err) | |
1940 | return err; | |
cc1d2806 | 1941 | |
04ecd257 JB |
1942 | /* can mesh use other SMPS modes? */ |
1943 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
1944 | sdata->needed_rx_chains = sdata->local->rx_chains; | |
1945 | ||
4bf88530 | 1946 | err = ieee80211_vif_use_channel(sdata, &setup->chandef, |
55de908a | 1947 | IEEE80211_CHANCTX_SHARED); |
cc1d2806 JB |
1948 | if (err) |
1949 | return err; | |
1950 | ||
2b5e1967 | 1951 | return ieee80211_start_mesh(sdata); |
29cbe68c JB |
1952 | } |
1953 | ||
1954 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1955 | { | |
1956 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1957 | ||
1958 | ieee80211_stop_mesh(sdata); | |
55de908a | 1959 | ieee80211_vif_release_channel(sdata); |
29cbe68c JB |
1960 | |
1961 | return 0; | |
1962 | } | |
c5dd9c2b LCC |
1963 | #endif |
1964 | ||
9f1ba906 JM |
1965 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1966 | struct net_device *dev, | |
1967 | struct bss_parameters *params) | |
1968 | { | |
55de908a JB |
1969 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1970 | enum ieee80211_band band; | |
9f1ba906 JM |
1971 | u32 changed = 0; |
1972 | ||
7ca133bc | 1973 | if (!sdata_dereference(sdata->u.ap.beacon, sdata)) |
55de908a JB |
1974 | return -ENOENT; |
1975 | ||
1976 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1977 | |
9f1ba906 | 1978 | if (params->use_cts_prot >= 0) { |
bda3933a | 1979 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1980 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1981 | } | |
1982 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1983 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1984 | params->use_short_preamble; |
1985 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1986 | } | |
43d35343 FF |
1987 | |
1988 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1989 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1990 | sdata->vif.bss_conf.use_short_slot = true; |
1991 | changed |= BSS_CHANGED_ERP_SLOT; | |
1992 | } | |
1993 | ||
9f1ba906 | 1994 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1995 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1996 | params->use_short_slot_time; |
1997 | changed |= BSS_CHANGED_ERP_SLOT; | |
1998 | } | |
1999 | ||
90c97a04 | 2000 | if (params->basic_rates) { |
2103dec1 SW |
2001 | ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, |
2002 | wiphy->bands[band], | |
2003 | params->basic_rates, | |
2004 | params->basic_rates_len, | |
2005 | &sdata->vif.bss_conf.basic_rates); | |
90c97a04 JM |
2006 | changed |= BSS_CHANGED_BASIC_RATES; |
2007 | } | |
2008 | ||
7b7b5e56 FF |
2009 | if (params->ap_isolate >= 0) { |
2010 | if (params->ap_isolate) | |
2011 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2012 | else | |
2013 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
2014 | } | |
2015 | ||
80d7e403 HS |
2016 | if (params->ht_opmode >= 0) { |
2017 | sdata->vif.bss_conf.ht_operation_mode = | |
2018 | (u16) params->ht_opmode; | |
2019 | changed |= BSS_CHANGED_HT; | |
2020 | } | |
2021 | ||
339afbf4 | 2022 | if (params->p2p_ctwindow >= 0) { |
67baf663 JD |
2023 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= |
2024 | ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
2025 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2026 | params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; | |
339afbf4 JB |
2027 | changed |= BSS_CHANGED_P2P_PS; |
2028 | } | |
2029 | ||
67baf663 JD |
2030 | if (params->p2p_opp_ps > 0) { |
2031 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= | |
2032 | IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
2033 | changed |= BSS_CHANGED_P2P_PS; | |
2034 | } else if (params->p2p_opp_ps == 0) { | |
2035 | sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= | |
2036 | ~IEEE80211_P2P_OPPPS_ENABLE_BIT; | |
339afbf4 JB |
2037 | changed |= BSS_CHANGED_P2P_PS; |
2038 | } | |
2039 | ||
9f1ba906 JM |
2040 | ieee80211_bss_info_change_notify(sdata, changed); |
2041 | ||
2042 | return 0; | |
2043 | } | |
2044 | ||
31888487 | 2045 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 2046 | struct net_device *dev, |
31888487 JM |
2047 | struct ieee80211_txq_params *params) |
2048 | { | |
2049 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 2050 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
2051 | struct ieee80211_tx_queue_params p; |
2052 | ||
2053 | if (!local->ops->conf_tx) | |
2054 | return -EOPNOTSUPP; | |
2055 | ||
54bcbc69 JB |
2056 | if (local->hw.queues < IEEE80211_NUM_ACS) |
2057 | return -EOPNOTSUPP; | |
2058 | ||
31888487 JM |
2059 | memset(&p, 0, sizeof(p)); |
2060 | p.aifs = params->aifs; | |
2061 | p.cw_max = params->cwmax; | |
2062 | p.cw_min = params->cwmin; | |
2063 | p.txop = params->txop; | |
ab13315a KV |
2064 | |
2065 | /* | |
2066 | * Setting tx queue params disables u-apsd because it's only | |
2067 | * called in master mode. | |
2068 | */ | |
2069 | p.uapsd = false; | |
2070 | ||
a3304b0a JB |
2071 | sdata->tx_conf[params->ac] = p; |
2072 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 2073 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
2074 | "failed to set TX queue parameters for AC %d\n", |
2075 | params->ac); | |
31888487 JM |
2076 | return -EINVAL; |
2077 | } | |
2078 | ||
7d25745d JB |
2079 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
2080 | ||
31888487 JM |
2081 | return 0; |
2082 | } | |
2083 | ||
665af4fc | 2084 | #ifdef CONFIG_PM |
ff1b6e69 JB |
2085 | static int ieee80211_suspend(struct wiphy *wiphy, |
2086 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 2087 | { |
eecc4800 | 2088 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
2089 | } |
2090 | ||
2091 | static int ieee80211_resume(struct wiphy *wiphy) | |
2092 | { | |
2093 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
2094 | } | |
2095 | #else | |
2096 | #define ieee80211_suspend NULL | |
2097 | #define ieee80211_resume NULL | |
2098 | #endif | |
2099 | ||
2a519311 | 2100 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
2101 | struct cfg80211_scan_request *req) |
2102 | { | |
fd014284 JB |
2103 | struct ieee80211_sub_if_data *sdata; |
2104 | ||
2105 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 2106 | |
2ca27bcf JB |
2107 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
2108 | case NL80211_IFTYPE_STATION: | |
2109 | case NL80211_IFTYPE_ADHOC: | |
2110 | case NL80211_IFTYPE_MESH_POINT: | |
2111 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 2112 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
2113 | break; |
2114 | case NL80211_IFTYPE_P2P_GO: | |
2115 | if (sdata->local->ops->hw_scan) | |
2116 | break; | |
e9d7732e JB |
2117 | /* |
2118 | * FIXME: implement NoA while scanning in software, | |
2119 | * for now fall through to allow scanning only when | |
2120 | * beaconing hasn't been configured yet | |
2121 | */ | |
2ca27bcf | 2122 | case NL80211_IFTYPE_AP: |
5c95b940 AQ |
2123 | /* |
2124 | * If the scan has been forced (and the driver supports | |
2125 | * forcing), don't care about being beaconing already. | |
2126 | * This will create problems to the attached stations (e.g. all | |
2127 | * the frames sent while scanning on other channel will be | |
2128 | * lost) | |
2129 | */ | |
2130 | if (sdata->u.ap.beacon && | |
2131 | (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || | |
2132 | !(req->flags & NL80211_SCAN_FLAG_AP))) | |
2ca27bcf JB |
2133 | return -EOPNOTSUPP; |
2134 | break; | |
2135 | default: | |
2136 | return -EOPNOTSUPP; | |
2137 | } | |
2a519311 JB |
2138 | |
2139 | return ieee80211_request_scan(sdata, req); | |
2140 | } | |
2141 | ||
79f460ca LC |
2142 | static int |
2143 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
2144 | struct net_device *dev, | |
2145 | struct cfg80211_sched_scan_request *req) | |
2146 | { | |
2147 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2148 | ||
2149 | if (!sdata->local->ops->sched_scan_start) | |
2150 | return -EOPNOTSUPP; | |
2151 | ||
2152 | return ieee80211_request_sched_scan_start(sdata, req); | |
2153 | } | |
2154 | ||
2155 | static int | |
85a9994a | 2156 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
2157 | { |
2158 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2159 | ||
2160 | if (!sdata->local->ops->sched_scan_stop) | |
2161 | return -EOPNOTSUPP; | |
2162 | ||
85a9994a | 2163 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
2164 | } |
2165 | ||
636a5d36 JM |
2166 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
2167 | struct cfg80211_auth_request *req) | |
2168 | { | |
77fdaa12 | 2169 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2170 | } |
2171 | ||
2172 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
2173 | struct cfg80211_assoc_request *req) | |
2174 | { | |
77fdaa12 | 2175 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2176 | } |
2177 | ||
2178 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2179 | struct cfg80211_deauth_request *req) |
636a5d36 | 2180 | { |
63c9c5e7 | 2181 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2182 | } |
2183 | ||
2184 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 2185 | struct cfg80211_disassoc_request *req) |
636a5d36 | 2186 | { |
63c9c5e7 | 2187 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
2188 | } |
2189 | ||
af8cdcd8 JB |
2190 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
2191 | struct cfg80211_ibss_params *params) | |
2192 | { | |
55de908a | 2193 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
2194 | } |
2195 | ||
2196 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
2197 | { | |
55de908a | 2198 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
2199 | } |
2200 | ||
391e53e3 AQ |
2201 | static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, |
2202 | int rate[IEEE80211_NUM_BANDS]) | |
2203 | { | |
2204 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2205 | ||
9887dbf5 CD |
2206 | memcpy(sdata->vif.bss_conf.mcast_rate, rate, |
2207 | sizeof(int) * IEEE80211_NUM_BANDS); | |
391e53e3 AQ |
2208 | |
2209 | return 0; | |
2210 | } | |
2211 | ||
b9a5f8ca JM |
2212 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
2213 | { | |
2214 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 2215 | int err; |
b9a5f8ca | 2216 | |
f23a4780 AN |
2217 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
2218 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
2219 | ||
2220 | if (err) | |
2221 | return err; | |
2222 | } | |
2223 | ||
310bc676 LT |
2224 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
2225 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
2226 | ||
2227 | if (err) | |
2228 | return err; | |
2229 | } | |
2230 | ||
b9a5f8ca | 2231 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 2232 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 2233 | |
24487981 JB |
2234 | if (err) |
2235 | return err; | |
b9a5f8ca JM |
2236 | } |
2237 | ||
8bc83c24 JB |
2238 | if (changed & WIPHY_PARAM_RETRY_SHORT) { |
2239 | if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) | |
2240 | return -EINVAL; | |
b9a5f8ca | 2241 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; |
8bc83c24 JB |
2242 | } |
2243 | if (changed & WIPHY_PARAM_RETRY_LONG) { | |
2244 | if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) | |
2245 | return -EINVAL; | |
b9a5f8ca | 2246 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; |
8bc83c24 | 2247 | } |
b9a5f8ca JM |
2248 | if (changed & |
2249 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
2250 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
2251 | ||
2252 | return 0; | |
2253 | } | |
2254 | ||
7643a2c3 | 2255 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
c8442118 | 2256 | struct wireless_dev *wdev, |
fa61cf70 | 2257 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
2258 | { |
2259 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2260 | struct ieee80211_sub_if_data *sdata; |
7643a2c3 | 2261 | |
1ea6f9c0 JB |
2262 | if (wdev) { |
2263 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2264 | ||
2265 | switch (type) { | |
2266 | case NL80211_TX_POWER_AUTOMATIC: | |
2267 | sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; | |
2268 | break; | |
2269 | case NL80211_TX_POWER_LIMITED: | |
2270 | case NL80211_TX_POWER_FIXED: | |
2271 | if (mbm < 0 || (mbm % 100)) | |
2272 | return -EOPNOTSUPP; | |
2273 | sdata->user_power_level = MBM_TO_DBM(mbm); | |
2274 | break; | |
2275 | } | |
2276 | ||
2277 | ieee80211_recalc_txpower(sdata); | |
2278 | ||
2279 | return 0; | |
2280 | } | |
55de908a | 2281 | |
7643a2c3 | 2282 | switch (type) { |
fa61cf70 | 2283 | case NL80211_TX_POWER_AUTOMATIC: |
1ea6f9c0 | 2284 | local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; |
7643a2c3 | 2285 | break; |
fa61cf70 | 2286 | case NL80211_TX_POWER_LIMITED: |
fa61cf70 JO |
2287 | case NL80211_TX_POWER_FIXED: |
2288 | if (mbm < 0 || (mbm % 100)) | |
2289 | return -EOPNOTSUPP; | |
fa61cf70 | 2290 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 2291 | break; |
7643a2c3 JB |
2292 | } |
2293 | ||
1ea6f9c0 JB |
2294 | mutex_lock(&local->iflist_mtx); |
2295 | list_for_each_entry(sdata, &local->interfaces, list) | |
2296 | sdata->user_power_level = local->user_power_level; | |
2297 | list_for_each_entry(sdata, &local->interfaces, list) | |
2298 | ieee80211_recalc_txpower(sdata); | |
2299 | mutex_unlock(&local->iflist_mtx); | |
7643a2c3 JB |
2300 | |
2301 | return 0; | |
2302 | } | |
2303 | ||
c8442118 JB |
2304 | static int ieee80211_get_tx_power(struct wiphy *wiphy, |
2305 | struct wireless_dev *wdev, | |
2306 | int *dbm) | |
7643a2c3 JB |
2307 | { |
2308 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1ea6f9c0 | 2309 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7643a2c3 | 2310 | |
1ea6f9c0 JB |
2311 | if (!local->use_chanctx) |
2312 | *dbm = local->hw.conf.power_level; | |
2313 | else | |
2314 | *dbm = sdata->vif.bss_conf.txpower; | |
7643a2c3 | 2315 | |
7643a2c3 JB |
2316 | return 0; |
2317 | } | |
2318 | ||
ab737a4f | 2319 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 2320 | const u8 *addr) |
ab737a4f JB |
2321 | { |
2322 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2323 | ||
2324 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2325 | ||
2326 | return 0; | |
2327 | } | |
2328 | ||
1f87f7d3 JB |
2329 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2330 | { | |
2331 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2332 | ||
2333 | drv_rfkill_poll(local); | |
2334 | } | |
2335 | ||
aff89a9b | 2336 | #ifdef CONFIG_NL80211_TESTMODE |
fc73f11f DS |
2337 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, |
2338 | struct wireless_dev *wdev, | |
2339 | void *data, int len) | |
aff89a9b JB |
2340 | { |
2341 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
52981cd7 | 2342 | struct ieee80211_vif *vif = NULL; |
aff89a9b JB |
2343 | |
2344 | if (!local->ops->testmode_cmd) | |
2345 | return -EOPNOTSUPP; | |
2346 | ||
52981cd7 DS |
2347 | if (wdev) { |
2348 | struct ieee80211_sub_if_data *sdata; | |
2349 | ||
2350 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); | |
2351 | if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) | |
2352 | vif = &sdata->vif; | |
2353 | } | |
2354 | ||
2355 | return local->ops->testmode_cmd(&local->hw, vif, data, len); | |
aff89a9b | 2356 | } |
71063f0e WYG |
2357 | |
2358 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2359 | struct sk_buff *skb, | |
2360 | struct netlink_callback *cb, | |
2361 | void *data, int len) | |
2362 | { | |
2363 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2364 | ||
2365 | if (!local->ops->testmode_dump) | |
2366 | return -EOPNOTSUPP; | |
2367 | ||
2368 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2369 | } | |
aff89a9b JB |
2370 | #endif |
2371 | ||
687da132 EG |
2372 | int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, |
2373 | enum ieee80211_smps_mode smps_mode) | |
2374 | { | |
2375 | struct sta_info *sta; | |
2376 | enum ieee80211_smps_mode old_req; | |
2377 | int i; | |
2378 | ||
2379 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) | |
2380 | return -EINVAL; | |
2381 | ||
2382 | if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) | |
2383 | return 0; | |
2384 | ||
2385 | old_req = sdata->u.ap.req_smps; | |
2386 | sdata->u.ap.req_smps = smps_mode; | |
2387 | ||
2388 | /* AUTOMATIC doesn't mean much for AP - don't allow it */ | |
2389 | if (old_req == smps_mode || | |
2390 | smps_mode == IEEE80211_SMPS_AUTOMATIC) | |
2391 | return 0; | |
2392 | ||
2393 | /* If no associated stations, there's no need to do anything */ | |
2394 | if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { | |
2395 | sdata->smps_mode = smps_mode; | |
2396 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2397 | return 0; | |
2398 | } | |
2399 | ||
2400 | ht_dbg(sdata, | |
2401 | "SMSP %d requested in AP mode, sending Action frame to %d stations\n", | |
2402 | smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); | |
2403 | ||
2404 | mutex_lock(&sdata->local->sta_mtx); | |
2405 | for (i = 0; i < STA_HASH_SIZE; i++) { | |
2406 | for (sta = rcu_dereference_protected(sdata->local->sta_hash[i], | |
2407 | lockdep_is_held(&sdata->local->sta_mtx)); | |
2408 | sta; | |
2409 | sta = rcu_dereference_protected(sta->hnext, | |
2410 | lockdep_is_held(&sdata->local->sta_mtx))) { | |
2411 | /* | |
2412 | * Only stations associated to our AP and | |
2413 | * associated VLANs | |
2414 | */ | |
2415 | if (sta->sdata->bss != &sdata->u.ap) | |
2416 | continue; | |
2417 | ||
2418 | /* This station doesn't support MIMO - skip it */ | |
2419 | if (sta_info_tx_streams(sta) == 1) | |
2420 | continue; | |
2421 | ||
2422 | /* | |
2423 | * Don't wake up a STA just to send the action frame | |
2424 | * unless we are getting more restrictive. | |
2425 | */ | |
2426 | if (test_sta_flag(sta, WLAN_STA_PS_STA) && | |
2427 | !ieee80211_smps_is_restrictive(sta->known_smps_mode, | |
2428 | smps_mode)) { | |
2429 | ht_dbg(sdata, | |
2430 | "Won't send SMPS to sleeping STA %pM\n", | |
2431 | sta->sta.addr); | |
2432 | continue; | |
2433 | } | |
2434 | ||
2435 | /* | |
2436 | * If the STA is not authorized, wait until it gets | |
2437 | * authorized and the action frame will be sent then. | |
2438 | */ | |
2439 | if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
2440 | continue; | |
2441 | ||
2442 | ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); | |
2443 | ieee80211_send_smps_action(sdata, smps_mode, | |
2444 | sta->sta.addr, | |
2445 | sdata->vif.bss_conf.bssid); | |
2446 | } | |
2447 | } | |
2448 | mutex_unlock(&sdata->local->sta_mtx); | |
2449 | ||
2450 | sdata->smps_mode = smps_mode; | |
2451 | ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); | |
2452 | ||
2453 | return 0; | |
2454 | } | |
2455 | ||
2456 | int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, | |
2457 | enum ieee80211_smps_mode smps_mode) | |
0f78231b JB |
2458 | { |
2459 | const u8 *ap; | |
2460 | enum ieee80211_smps_mode old_req; | |
2461 | int err; | |
2462 | ||
8d61ffa5 | 2463 | lockdep_assert_held(&sdata->wdev.mtx); |
243e6df4 | 2464 | |
687da132 EG |
2465 | if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) |
2466 | return -EINVAL; | |
2467 | ||
0f78231b JB |
2468 | old_req = sdata->u.mgd.req_smps; |
2469 | sdata->u.mgd.req_smps = smps_mode; | |
2470 | ||
2471 | if (old_req == smps_mode && | |
2472 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2473 | return 0; | |
2474 | ||
2475 | /* | |
2476 | * If not associated, or current association is not an HT | |
04ecd257 JB |
2477 | * association, there's no need to do anything, just store |
2478 | * the new value until we associate. | |
0f78231b JB |
2479 | */ |
2480 | if (!sdata->u.mgd.associated || | |
4bf88530 | 2481 | sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) |
0f78231b | 2482 | return 0; |
0f78231b | 2483 | |
0c1ad2ca | 2484 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2485 | |
2486 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2487 | if (sdata->u.mgd.powersave) | |
2488 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2489 | else | |
2490 | smps_mode = IEEE80211_SMPS_OFF; | |
2491 | } | |
2492 | ||
2493 | /* send SM PS frame to AP */ | |
2494 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2495 | ap, ap); | |
2496 | if (err) | |
2497 | sdata->u.mgd.req_smps = old_req; | |
2498 | ||
2499 | return err; | |
2500 | } | |
2501 | ||
bc92afd9 JB |
2502 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2503 | bool enabled, int timeout) | |
2504 | { | |
2505 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2506 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2507 | |
2d3db210 | 2508 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
e5de30c9 BP |
2509 | return -EOPNOTSUPP; |
2510 | ||
bc92afd9 JB |
2511 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2512 | return -EOPNOTSUPP; | |
2513 | ||
2514 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2515 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2516 | return 0; |
2517 | ||
2518 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2519 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2520 | |
0f78231b | 2521 | /* no change, but if automatic follow powersave */ |
ed405be5 | 2522 | sdata_lock(sdata); |
687da132 | 2523 | __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); |
ed405be5 | 2524 | sdata_unlock(sdata); |
0f78231b | 2525 | |
bc92afd9 JB |
2526 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2527 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2528 | ||
2529 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2530 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2531 | |
2532 | return 0; | |
2533 | } | |
2534 | ||
a97c13c3 JO |
2535 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2536 | struct net_device *dev, | |
2537 | s32 rssi_thold, u32 rssi_hyst) | |
2538 | { | |
2539 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2540 | struct ieee80211_vif *vif = &sdata->vif; |
2541 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2542 | ||
a97c13c3 JO |
2543 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2544 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2545 | return 0; | |
2546 | ||
2547 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2548 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2549 | ||
2550 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2551 | if (sdata->u.mgd.associated && |
2552 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2553 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2554 | ||
2555 | return 0; | |
2556 | } | |
2557 | ||
9930380f JB |
2558 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2559 | struct net_device *dev, | |
2560 | const u8 *addr, | |
2561 | const struct cfg80211_bitrate_mask *mask) | |
2562 | { | |
2563 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2564 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2565 | int i, ret; |
2c7e6bc9 | 2566 | |
554a43d5 EP |
2567 | if (!ieee80211_sdata_running(sdata)) |
2568 | return -ENETDOWN; | |
2569 | ||
bdbfd6b5 SM |
2570 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2571 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2572 | if (ret) | |
2573 | return ret; | |
2574 | } | |
9930380f | 2575 | |
19468413 | 2576 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
2ffbe6d3 FF |
2577 | struct ieee80211_supported_band *sband = wiphy->bands[i]; |
2578 | int j; | |
2579 | ||
37eb0b16 | 2580 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
d1e33e65 JD |
2581 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, |
2582 | sizeof(mask->control[i].ht_mcs)); | |
2ffbe6d3 FF |
2583 | |
2584 | sdata->rc_has_mcs_mask[i] = false; | |
2585 | if (!sband) | |
2586 | continue; | |
2587 | ||
2588 | for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) | |
2589 | if (~sdata->rc_rateidx_mcs_mask[i][j]) { | |
2590 | sdata->rc_has_mcs_mask[i] = true; | |
2591 | break; | |
2592 | } | |
19468413 | 2593 | } |
9930380f | 2594 | |
37eb0b16 | 2595 | return 0; |
9930380f JB |
2596 | } |
2597 | ||
2eb278e0 JB |
2598 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2599 | struct ieee80211_sub_if_data *sdata, | |
2600 | struct ieee80211_channel *channel, | |
2eb278e0 | 2601 | unsigned int duration, u64 *cookie, |
d339d5ca IP |
2602 | struct sk_buff *txskb, |
2603 | enum ieee80211_roc_type type) | |
2eb278e0 JB |
2604 | { |
2605 | struct ieee80211_roc_work *roc, *tmp; | |
2606 | bool queued = false; | |
21f83589 | 2607 | int ret; |
21f83589 JB |
2608 | |
2609 | lockdep_assert_held(&local->mtx); | |
2610 | ||
fe57d9f5 JB |
2611 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2612 | return -EOPNOTSUPP; | |
2613 | ||
2eb278e0 JB |
2614 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2615 | if (!roc) | |
2616 | return -ENOMEM; | |
2617 | ||
2618 | roc->chan = channel; | |
2eb278e0 JB |
2619 | roc->duration = duration; |
2620 | roc->req_duration = duration; | |
2621 | roc->frame = txskb; | |
d339d5ca | 2622 | roc->type = type; |
2eb278e0 JB |
2623 | roc->mgmt_tx_cookie = (unsigned long)txskb; |
2624 | roc->sdata = sdata; | |
2625 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2626 | INIT_LIST_HEAD(&roc->dependents); | |
2627 | ||
2628 | /* if there's one pending or we're scanning, queue this one */ | |
164eb02d SW |
2629 | if (!list_empty(&local->roc_list) || |
2630 | local->scanning || local->radar_detect_enabled) | |
2eb278e0 JB |
2631 | goto out_check_combine; |
2632 | ||
2633 | /* if not HW assist, just queue & schedule work */ | |
2634 | if (!local->ops->remain_on_channel) { | |
2635 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2636 | goto out_queue; | |
2637 | } | |
2638 | ||
2639 | /* otherwise actually kick it off here (for error handling) */ | |
2640 | ||
2641 | /* | |
2642 | * If the duration is zero, then the driver | |
2643 | * wouldn't actually do anything. Set it to | |
2644 | * 10 for now. | |
2645 | * | |
2646 | * TODO: cancel the off-channel operation | |
2647 | * when we get the SKB's TX status and | |
2648 | * the wait time was zero before. | |
2649 | */ | |
2650 | if (!duration) | |
2651 | duration = 10; | |
2652 | ||
d339d5ca | 2653 | ret = drv_remain_on_channel(local, sdata, channel, duration, type); |
21f83589 | 2654 | if (ret) { |
2eb278e0 JB |
2655 | kfree(roc); |
2656 | return ret; | |
21f83589 JB |
2657 | } |
2658 | ||
2eb278e0 JB |
2659 | roc->started = true; |
2660 | goto out_queue; | |
2661 | ||
2662 | out_check_combine: | |
2663 | list_for_each_entry(tmp, &local->roc_list, list) { | |
42d97a59 | 2664 | if (tmp->chan != channel || tmp->sdata != sdata) |
2eb278e0 JB |
2665 | continue; |
2666 | ||
2667 | /* | |
2668 | * Extend this ROC if possible: | |
2669 | * | |
2670 | * If it hasn't started yet, just increase the duration | |
2671 | * and add the new one to the list of dependents. | |
d339d5ca IP |
2672 | * If the type of the new ROC has higher priority, modify the |
2673 | * type of the previous one to match that of the new one. | |
2eb278e0 JB |
2674 | */ |
2675 | if (!tmp->started) { | |
2676 | list_add_tail(&roc->list, &tmp->dependents); | |
2677 | tmp->duration = max(tmp->duration, roc->duration); | |
d339d5ca | 2678 | tmp->type = max(tmp->type, roc->type); |
2eb278e0 JB |
2679 | queued = true; |
2680 | break; | |
2681 | } | |
2682 | ||
2683 | /* If it has already started, it's more difficult ... */ | |
2684 | if (local->ops->remain_on_channel) { | |
2685 | unsigned long j = jiffies; | |
2686 | ||
2687 | /* | |
2688 | * In the offloaded ROC case, if it hasn't begun, add | |
2689 | * this new one to the dependent list to be handled | |
d339d5ca | 2690 | * when the master one begins. If it has begun, |
2eb278e0 JB |
2691 | * check that there's still a minimum time left and |
2692 | * if so, start this one, transmitting the frame, but | |
d339d5ca | 2693 | * add it to the list directly after this one with |
2eb278e0 JB |
2694 | * a reduced time so we'll ask the driver to execute |
2695 | * it right after finishing the previous one, in the | |
2696 | * hope that it'll also be executed right afterwards, | |
2697 | * effectively extending the old one. | |
2698 | * If there's no minimum time left, just add it to the | |
2699 | * normal list. | |
d339d5ca IP |
2700 | * TODO: the ROC type is ignored here, assuming that it |
2701 | * is better to immediately use the current ROC. | |
2eb278e0 JB |
2702 | */ |
2703 | if (!tmp->hw_begun) { | |
2704 | list_add_tail(&roc->list, &tmp->dependents); | |
2705 | queued = true; | |
2706 | break; | |
2707 | } | |
2708 | ||
2709 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2710 | tmp->hw_start_time + | |
2711 | msecs_to_jiffies(tmp->duration))) { | |
2712 | int new_dur; | |
2713 | ||
2714 | ieee80211_handle_roc_started(roc); | |
2715 | ||
2716 | new_dur = roc->duration - | |
2717 | jiffies_to_msecs(tmp->hw_start_time + | |
2718 | msecs_to_jiffies( | |
2719 | tmp->duration) - | |
2720 | j); | |
2721 | ||
2722 | if (new_dur > 0) { | |
2723 | /* add right after tmp */ | |
2724 | list_add(&roc->list, &tmp->list); | |
2725 | } else { | |
2726 | list_add_tail(&roc->list, | |
2727 | &tmp->dependents); | |
2728 | } | |
2729 | queued = true; | |
2730 | } | |
2731 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2732 | unsigned long new_end; | |
2733 | ||
2734 | /* | |
2735 | * In the software ROC case, cancel the timer, if | |
2736 | * that fails then the finish work is already | |
2737 | * queued/pending and thus we queue the new ROC | |
2738 | * normally, if that succeeds then we can extend | |
2739 | * the timer duration and TX the frame (if any.) | |
2740 | */ | |
2741 | ||
2742 | list_add_tail(&roc->list, &tmp->dependents); | |
2743 | queued = true; | |
2744 | ||
2745 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2746 | ||
2747 | /* ok, it was started & we canceled timer */ | |
2748 | if (time_after(new_end, tmp->work.timer.expires)) | |
2749 | mod_timer(&tmp->work.timer, new_end); | |
2750 | else | |
2751 | add_timer(&tmp->work.timer); | |
2752 | ||
2753 | ieee80211_handle_roc_started(roc); | |
2754 | } | |
2755 | break; | |
2756 | } | |
2757 | ||
2758 | out_queue: | |
2759 | if (!queued) | |
2760 | list_add_tail(&roc->list, &local->roc_list); | |
2761 | ||
2762 | /* | |
50febf6a | 2763 | * cookie is either the roc cookie (for normal roc) |
2eb278e0 JB |
2764 | * or the SKB (for mgmt TX) |
2765 | */ | |
50febf6a JB |
2766 | if (!txskb) { |
2767 | /* local->mtx protects this */ | |
2768 | local->roc_cookie_counter++; | |
2769 | roc->cookie = local->roc_cookie_counter; | |
2770 | /* wow, you wrapped 64 bits ... more likely a bug */ | |
2771 | if (WARN_ON(roc->cookie == 0)) { | |
2772 | roc->cookie = 1; | |
2773 | local->roc_cookie_counter++; | |
2774 | } | |
2775 | *cookie = roc->cookie; | |
2776 | } else { | |
2eb278e0 | 2777 | *cookie = (unsigned long)txskb; |
50febf6a | 2778 | } |
2eb278e0 JB |
2779 | |
2780 | return 0; | |
21f83589 JB |
2781 | } |
2782 | ||
b8bc4b0a | 2783 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2784 | struct wireless_dev *wdev, |
b8bc4b0a | 2785 | struct ieee80211_channel *chan, |
b8bc4b0a JB |
2786 | unsigned int duration, |
2787 | u64 *cookie) | |
2788 | { | |
71bbc994 | 2789 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2790 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2791 | int ret; |
21f83589 | 2792 | |
2eb278e0 | 2793 | mutex_lock(&local->mtx); |
42d97a59 | 2794 | ret = ieee80211_start_roc_work(local, sdata, chan, |
d339d5ca IP |
2795 | duration, cookie, NULL, |
2796 | IEEE80211_ROC_TYPE_NORMAL); | |
2eb278e0 | 2797 | mutex_unlock(&local->mtx); |
b8bc4b0a | 2798 | |
2eb278e0 | 2799 | return ret; |
b8bc4b0a JB |
2800 | } |
2801 | ||
2eb278e0 JB |
2802 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2803 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2804 | { |
2eb278e0 | 2805 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2806 | int ret; |
2807 | ||
2eb278e0 JB |
2808 | mutex_lock(&local->mtx); |
2809 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2810 | struct ieee80211_roc_work *dep, *tmp2; |
2811 | ||
2812 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
50febf6a | 2813 | if (!mgmt_tx && dep->cookie != cookie) |
e979e33c JB |
2814 | continue; |
2815 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2816 | continue; | |
2817 | /* found dependent item -- just remove it */ | |
2818 | list_del(&dep->list); | |
2819 | mutex_unlock(&local->mtx); | |
2820 | ||
3fbd45ca | 2821 | ieee80211_roc_notify_destroy(dep, true); |
e979e33c JB |
2822 | return 0; |
2823 | } | |
2824 | ||
50febf6a | 2825 | if (!mgmt_tx && roc->cookie != cookie) |
2eb278e0 JB |
2826 | continue; |
2827 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2828 | continue; | |
21f83589 | 2829 | |
2eb278e0 JB |
2830 | found = roc; |
2831 | break; | |
2832 | } | |
21f83589 | 2833 | |
2eb278e0 JB |
2834 | if (!found) { |
2835 | mutex_unlock(&local->mtx); | |
2836 | return -ENOENT; | |
2837 | } | |
21f83589 | 2838 | |
e979e33c JB |
2839 | /* |
2840 | * We found the item to cancel, so do that. Note that it | |
2841 | * may have dependents, which we also cancel (and send | |
2842 | * the expired signal for.) Not doing so would be quite | |
2843 | * tricky here, but we may need to fix it later. | |
2844 | */ | |
2845 | ||
2eb278e0 JB |
2846 | if (local->ops->remain_on_channel) { |
2847 | if (found->started) { | |
2848 | ret = drv_cancel_remain_on_channel(local); | |
2849 | if (WARN_ON_ONCE(ret)) { | |
2850 | mutex_unlock(&local->mtx); | |
2851 | return ret; | |
2852 | } | |
2853 | } | |
21f83589 | 2854 | |
2eb278e0 | 2855 | list_del(&found->list); |
21f83589 | 2856 | |
0f6b3f59 JB |
2857 | if (found->started) |
2858 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2859 | mutex_unlock(&local->mtx); |
21f83589 | 2860 | |
3fbd45ca | 2861 | ieee80211_roc_notify_destroy(found, true); |
2eb278e0 JB |
2862 | } else { |
2863 | /* work may be pending so use it all the time */ | |
2864 | found->abort = true; | |
2865 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2866 | |
21f83589 JB |
2867 | mutex_unlock(&local->mtx); |
2868 | ||
2eb278e0 JB |
2869 | /* work will clean up etc */ |
2870 | flush_delayed_work(&found->work); | |
3fbd45ca JB |
2871 | WARN_ON(!found->to_be_freed); |
2872 | kfree(found); | |
21f83589 | 2873 | } |
b8bc4b0a | 2874 | |
2eb278e0 | 2875 | return 0; |
b8bc4b0a JB |
2876 | } |
2877 | ||
2eb278e0 | 2878 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2879 | struct wireless_dev *wdev, |
2eb278e0 | 2880 | u64 cookie) |
f30221e4 | 2881 | { |
71bbc994 | 2882 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2883 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2884 | |
2eb278e0 | 2885 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2886 | } |
2887 | ||
164eb02d SW |
2888 | static int ieee80211_start_radar_detection(struct wiphy *wiphy, |
2889 | struct net_device *dev, | |
2890 | struct cfg80211_chan_def *chandef) | |
2891 | { | |
2892 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2893 | struct ieee80211_local *local = sdata->local; | |
2894 | unsigned long timeout; | |
2895 | int err; | |
2896 | ||
2897 | if (!list_empty(&local->roc_list) || local->scanning) | |
2898 | return -EBUSY; | |
2899 | ||
2900 | /* whatever, but channel contexts should not complain about that one */ | |
2901 | sdata->smps_mode = IEEE80211_SMPS_OFF; | |
2902 | sdata->needed_rx_chains = local->rx_chains; | |
2903 | sdata->radar_required = true; | |
2904 | ||
2905 | mutex_lock(&local->iflist_mtx); | |
2906 | err = ieee80211_vif_use_channel(sdata, chandef, | |
2907 | IEEE80211_CHANCTX_SHARED); | |
2908 | mutex_unlock(&local->iflist_mtx); | |
2909 | if (err) | |
2910 | return err; | |
2911 | ||
2912 | timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); | |
2913 | ieee80211_queue_delayed_work(&sdata->local->hw, | |
2914 | &sdata->dfs_cac_timer_work, timeout); | |
2915 | ||
2916 | return 0; | |
2917 | } | |
2918 | ||
73da7d5b SW |
2919 | static struct cfg80211_beacon_data * |
2920 | cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) | |
2921 | { | |
2922 | struct cfg80211_beacon_data *new_beacon; | |
2923 | u8 *pos; | |
2924 | int len; | |
2925 | ||
2926 | len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + | |
2927 | beacon->proberesp_ies_len + beacon->assocresp_ies_len + | |
2928 | beacon->probe_resp_len; | |
2929 | ||
2930 | new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); | |
2931 | if (!new_beacon) | |
2932 | return NULL; | |
2933 | ||
2934 | pos = (u8 *)(new_beacon + 1); | |
2935 | if (beacon->head_len) { | |
2936 | new_beacon->head_len = beacon->head_len; | |
2937 | new_beacon->head = pos; | |
2938 | memcpy(pos, beacon->head, beacon->head_len); | |
2939 | pos += beacon->head_len; | |
2940 | } | |
2941 | if (beacon->tail_len) { | |
2942 | new_beacon->tail_len = beacon->tail_len; | |
2943 | new_beacon->tail = pos; | |
2944 | memcpy(pos, beacon->tail, beacon->tail_len); | |
2945 | pos += beacon->tail_len; | |
2946 | } | |
2947 | if (beacon->beacon_ies_len) { | |
2948 | new_beacon->beacon_ies_len = beacon->beacon_ies_len; | |
2949 | new_beacon->beacon_ies = pos; | |
2950 | memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); | |
2951 | pos += beacon->beacon_ies_len; | |
2952 | } | |
2953 | if (beacon->proberesp_ies_len) { | |
2954 | new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; | |
2955 | new_beacon->proberesp_ies = pos; | |
2956 | memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); | |
2957 | pos += beacon->proberesp_ies_len; | |
2958 | } | |
2959 | if (beacon->assocresp_ies_len) { | |
2960 | new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; | |
2961 | new_beacon->assocresp_ies = pos; | |
2962 | memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); | |
2963 | pos += beacon->assocresp_ies_len; | |
2964 | } | |
2965 | if (beacon->probe_resp_len) { | |
2966 | new_beacon->probe_resp_len = beacon->probe_resp_len; | |
2967 | beacon->probe_resp = pos; | |
2968 | memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); | |
2969 | pos += beacon->probe_resp_len; | |
2970 | } | |
2971 | ||
2972 | return new_beacon; | |
2973 | } | |
2974 | ||
2975 | void ieee80211_csa_finalize_work(struct work_struct *work) | |
2976 | { | |
2977 | struct ieee80211_sub_if_data *sdata = | |
2978 | container_of(work, struct ieee80211_sub_if_data, | |
2979 | csa_finalize_work); | |
2980 | struct ieee80211_local *local = sdata->local; | |
0951ebb8 | 2981 | int err, changed = 0; |
73da7d5b | 2982 | |
e487eaeb SW |
2983 | sdata_lock(sdata); |
2984 | /* AP might have been stopped while waiting for the lock. */ | |
2985 | if (!sdata->vif.csa_active) | |
2986 | goto unlock; | |
2987 | ||
73da7d5b | 2988 | if (!ieee80211_sdata_running(sdata)) |
e487eaeb | 2989 | goto unlock; |
73da7d5b | 2990 | |
73da7d5b | 2991 | sdata->radar_required = sdata->csa_radar_required; |
33787fc4 | 2992 | err = ieee80211_vif_change_channel(sdata, &changed); |
73da7d5b | 2993 | if (WARN_ON(err < 0)) |
e487eaeb | 2994 | goto unlock; |
73da7d5b | 2995 | |
7578d575 | 2996 | if (!local->use_chanctx) { |
33787fc4 | 2997 | local->_oper_chandef = sdata->csa_chandef; |
7578d575 AN |
2998 | ieee80211_hw_config(local, 0); |
2999 | } | |
3000 | ||
cd7760e6 | 3001 | ieee80211_bss_info_change_notify(sdata, changed); |
73da7d5b | 3002 | |
e487eaeb | 3003 | sdata->vif.csa_active = false; |
cd7760e6 SW |
3004 | switch (sdata->vif.type) { |
3005 | case NL80211_IFTYPE_AP: | |
3006 | err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon); | |
3007 | if (err < 0) | |
e487eaeb SW |
3008 | goto unlock; |
3009 | ||
cd7760e6 SW |
3010 | changed |= err; |
3011 | kfree(sdata->u.ap.next_beacon); | |
3012 | sdata->u.ap.next_beacon = NULL; | |
3013 | ||
3014 | ieee80211_bss_info_change_notify(sdata, err); | |
3015 | break; | |
3016 | case NL80211_IFTYPE_ADHOC: | |
3017 | ieee80211_ibss_finish_csa(sdata); | |
3018 | break; | |
b8456a14 CYY |
3019 | #ifdef CONFIG_MAC80211_MESH |
3020 | case NL80211_IFTYPE_MESH_POINT: | |
3021 | err = ieee80211_mesh_finish_csa(sdata); | |
3022 | if (err < 0) | |
e487eaeb | 3023 | goto unlock; |
b8456a14 CYY |
3024 | break; |
3025 | #endif | |
cd7760e6 SW |
3026 | default: |
3027 | WARN_ON(1); | |
e487eaeb | 3028 | goto unlock; |
cd7760e6 | 3029 | } |
73da7d5b SW |
3030 | |
3031 | ieee80211_wake_queues_by_reason(&sdata->local->hw, | |
3032 | IEEE80211_MAX_QUEUE_MAP, | |
3033 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3034 | ||
33787fc4 | 3035 | cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); |
e487eaeb SW |
3036 | |
3037 | unlock: | |
3038 | sdata_unlock(sdata); | |
73da7d5b SW |
3039 | } |
3040 | ||
3041 | static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, | |
3042 | struct cfg80211_csa_settings *params) | |
3043 | { | |
3044 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3045 | struct ieee80211_local *local = sdata->local; | |
3046 | struct ieee80211_chanctx_conf *chanctx_conf; | |
3047 | struct ieee80211_chanctx *chanctx; | |
c6da674a | 3048 | struct ieee80211_if_mesh __maybe_unused *ifmsh; |
73da7d5b SW |
3049 | int err, num_chanctx; |
3050 | ||
7ca133bc SW |
3051 | lockdep_assert_held(&sdata->wdev.mtx); |
3052 | ||
73da7d5b SW |
3053 | if (!list_empty(&local->roc_list) || local->scanning) |
3054 | return -EBUSY; | |
3055 | ||
3056 | if (sdata->wdev.cac_started) | |
3057 | return -EBUSY; | |
3058 | ||
3059 | if (cfg80211_chandef_identical(¶ms->chandef, | |
3060 | &sdata->vif.bss_conf.chandef)) | |
3061 | return -EINVAL; | |
3062 | ||
3063 | rcu_read_lock(); | |
3064 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3065 | if (!chanctx_conf) { | |
3066 | rcu_read_unlock(); | |
3067 | return -EBUSY; | |
3068 | } | |
3069 | ||
3070 | /* don't handle for multi-VIF cases */ | |
3071 | chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf); | |
3072 | if (chanctx->refcount > 1) { | |
3073 | rcu_read_unlock(); | |
3074 | return -EBUSY; | |
3075 | } | |
3076 | num_chanctx = 0; | |
3077 | list_for_each_entry_rcu(chanctx, &local->chanctx_list, list) | |
3078 | num_chanctx++; | |
3079 | rcu_read_unlock(); | |
3080 | ||
3081 | if (num_chanctx > 1) | |
3082 | return -EBUSY; | |
3083 | ||
3084 | /* don't allow another channel switch if one is already active. */ | |
3085 | if (sdata->vif.csa_active) | |
3086 | return -EBUSY; | |
3087 | ||
73da7d5b SW |
3088 | switch (sdata->vif.type) { |
3089 | case NL80211_IFTYPE_AP: | |
cd7760e6 SW |
3090 | sdata->csa_counter_offset_beacon = |
3091 | params->counter_offset_beacon; | |
3092 | sdata->csa_counter_offset_presp = params->counter_offset_presp; | |
3093 | sdata->u.ap.next_beacon = | |
3094 | cfg80211_beacon_dup(¶ms->beacon_after); | |
3095 | if (!sdata->u.ap.next_beacon) | |
3096 | return -ENOMEM; | |
3097 | ||
3098 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa); | |
3099 | if (err < 0) { | |
3100 | kfree(sdata->u.ap.next_beacon); | |
3101 | return err; | |
3102 | } | |
3103 | break; | |
3104 | case NL80211_IFTYPE_ADHOC: | |
3105 | if (!sdata->vif.bss_conf.ibss_joined) | |
3106 | return -EINVAL; | |
3107 | ||
3108 | if (params->chandef.width != sdata->u.ibss.chandef.width) | |
3109 | return -EINVAL; | |
3110 | ||
3111 | switch (params->chandef.width) { | |
3112 | case NL80211_CHAN_WIDTH_40: | |
3113 | if (cfg80211_get_chandef_type(¶ms->chandef) != | |
3114 | cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) | |
3115 | return -EINVAL; | |
3116 | case NL80211_CHAN_WIDTH_5: | |
3117 | case NL80211_CHAN_WIDTH_10: | |
3118 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3119 | case NL80211_CHAN_WIDTH_20: | |
3120 | break; | |
3121 | default: | |
3122 | return -EINVAL; | |
3123 | } | |
3124 | ||
3125 | /* changes into another band are not supported */ | |
3126 | if (sdata->u.ibss.chandef.chan->band != | |
3127 | params->chandef.chan->band) | |
3128 | return -EINVAL; | |
3129 | ||
3130 | err = ieee80211_ibss_csa_beacon(sdata, params); | |
3131 | if (err < 0) | |
3132 | return err; | |
73da7d5b | 3133 | break; |
c6da674a CYY |
3134 | #ifdef CONFIG_MAC80211_MESH |
3135 | case NL80211_IFTYPE_MESH_POINT: | |
3136 | ifmsh = &sdata->u.mesh; | |
3137 | ||
3138 | if (!ifmsh->mesh_id) | |
3139 | return -EINVAL; | |
3140 | ||
3141 | if (params->chandef.width != sdata->vif.bss_conf.chandef.width) | |
3142 | return -EINVAL; | |
3143 | ||
3144 | /* changes into another band are not supported */ | |
3145 | if (sdata->vif.bss_conf.chandef.chan->band != | |
3146 | params->chandef.chan->band) | |
3147 | return -EINVAL; | |
3148 | ||
3f718fd8 CYY |
3149 | ifmsh->chsw_init = true; |
3150 | if (!ifmsh->pre_value) | |
3151 | ifmsh->pre_value = 1; | |
3152 | else | |
3153 | ifmsh->pre_value++; | |
3154 | ||
b8456a14 | 3155 | err = ieee80211_mesh_csa_beacon(sdata, params, true); |
3f718fd8 CYY |
3156 | if (err < 0) { |
3157 | ifmsh->chsw_init = false; | |
c6da674a | 3158 | return err; |
3f718fd8 | 3159 | } |
c6da674a CYY |
3160 | break; |
3161 | #endif | |
73da7d5b SW |
3162 | default: |
3163 | return -EOPNOTSUPP; | |
3164 | } | |
3165 | ||
73da7d5b SW |
3166 | sdata->csa_radar_required = params->radar_required; |
3167 | ||
3168 | if (params->block_tx) | |
3169 | ieee80211_stop_queues_by_reason(&local->hw, | |
3170 | IEEE80211_MAX_QUEUE_MAP, | |
3171 | IEEE80211_QUEUE_STOP_REASON_CSA); | |
3172 | ||
33787fc4 | 3173 | sdata->csa_chandef = params->chandef; |
73da7d5b SW |
3174 | sdata->vif.csa_active = true; |
3175 | ||
3176 | ieee80211_bss_info_change_notify(sdata, err); | |
3177 | drv_channel_switch_beacon(sdata, ¶ms->chandef); | |
3178 | ||
3179 | return 0; | |
3180 | } | |
3181 | ||
71bbc994 | 3182 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
b176e629 AO |
3183 | struct cfg80211_mgmt_tx_params *params, |
3184 | u64 *cookie) | |
026331c4 | 3185 | { |
71bbc994 | 3186 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
3187 | struct ieee80211_local *local = sdata->local; |
3188 | struct sk_buff *skb; | |
3189 | struct sta_info *sta; | |
b176e629 | 3190 | const struct ieee80211_mgmt *mgmt = (void *)params->buf; |
2eb278e0 | 3191 | bool need_offchan = false; |
e247bd90 | 3192 | u32 flags; |
2eb278e0 | 3193 | int ret; |
f7ca38df | 3194 | |
b176e629 | 3195 | if (params->dont_wait_for_ack) |
e247bd90 JB |
3196 | flags = IEEE80211_TX_CTL_NO_ACK; |
3197 | else | |
3198 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
3199 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
3200 | ||
b176e629 | 3201 | if (params->no_cck) |
aad14ceb RM |
3202 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; |
3203 | ||
9d38d85d JB |
3204 | switch (sdata->vif.type) { |
3205 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
3206 | if (!sdata->vif.bss_conf.ibss_joined) |
3207 | need_offchan = true; | |
3208 | /* fall through */ | |
3209 | #ifdef CONFIG_MAC80211_MESH | |
3210 | case NL80211_IFTYPE_MESH_POINT: | |
3211 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
3212 | !sdata->u.mesh.mesh_id_len) | |
3213 | need_offchan = true; | |
3214 | /* fall through */ | |
3215 | #endif | |
663fcafd JB |
3216 | case NL80211_IFTYPE_AP: |
3217 | case NL80211_IFTYPE_AP_VLAN: | |
3218 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
3219 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
3220 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
3221 | !rcu_access_pointer(sdata->bss->beacon)) | |
3222 | need_offchan = true; | |
663fcafd | 3223 | if (!ieee80211_is_action(mgmt->frame_control) || |
ac49e1a8 | 3224 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || |
cd7760e6 SW |
3225 | mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || |
3226 | mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) | |
9d38d85d JB |
3227 | break; |
3228 | rcu_read_lock(); | |
3229 | sta = sta_info_get(sdata, mgmt->da); | |
3230 | rcu_read_unlock(); | |
3231 | if (!sta) | |
3232 | return -ENOLINK; | |
3233 | break; | |
3234 | case NL80211_IFTYPE_STATION: | |
663fcafd | 3235 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
3236 | if (!sdata->u.mgd.associated) |
3237 | need_offchan = true; | |
9d38d85d | 3238 | break; |
f142c6b9 JB |
3239 | case NL80211_IFTYPE_P2P_DEVICE: |
3240 | need_offchan = true; | |
3241 | break; | |
9d38d85d JB |
3242 | default: |
3243 | return -EOPNOTSUPP; | |
3244 | } | |
3245 | ||
f7aeb6fb AQ |
3246 | /* configurations requiring offchan cannot work if no channel has been |
3247 | * specified | |
3248 | */ | |
b176e629 | 3249 | if (need_offchan && !params->chan) |
f7aeb6fb AQ |
3250 | return -EINVAL; |
3251 | ||
2eb278e0 JB |
3252 | mutex_lock(&local->mtx); |
3253 | ||
3254 | /* Check if the operating channel is the requested channel */ | |
3255 | if (!need_offchan) { | |
55de908a JB |
3256 | struct ieee80211_chanctx_conf *chanctx_conf; |
3257 | ||
3258 | rcu_read_lock(); | |
3259 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3260 | ||
f7aeb6fb | 3261 | if (chanctx_conf) { |
b176e629 AO |
3262 | need_offchan = params->chan && |
3263 | (params->chan != | |
3264 | chanctx_conf->def.chan); | |
3265 | } else if (!params->chan) { | |
f7aeb6fb AQ |
3266 | ret = -EINVAL; |
3267 | rcu_read_unlock(); | |
3268 | goto out_unlock; | |
3269 | } else { | |
2eb278e0 | 3270 | need_offchan = true; |
f7aeb6fb | 3271 | } |
55de908a | 3272 | rcu_read_unlock(); |
2eb278e0 JB |
3273 | } |
3274 | ||
b176e629 | 3275 | if (need_offchan && !params->offchan) { |
2eb278e0 JB |
3276 | ret = -EBUSY; |
3277 | goto out_unlock; | |
3278 | } | |
3279 | ||
b176e629 | 3280 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); |
2eb278e0 JB |
3281 | if (!skb) { |
3282 | ret = -ENOMEM; | |
3283 | goto out_unlock; | |
3284 | } | |
9d38d85d JB |
3285 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3286 | ||
b176e629 | 3287 | memcpy(skb_put(skb, params->len), params->buf, params->len); |
9d38d85d JB |
3288 | |
3289 | IEEE80211_SKB_CB(skb)->flags = flags; | |
3290 | ||
3291 | skb->dev = sdata->dev; | |
9d38d85d | 3292 | |
2eb278e0 | 3293 | if (!need_offchan) { |
7f9f78ab | 3294 | *cookie = (unsigned long) skb; |
f30221e4 | 3295 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
3296 | ret = 0; |
3297 | goto out_unlock; | |
f30221e4 JB |
3298 | } |
3299 | ||
6c17b77b SF |
3300 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | |
3301 | IEEE80211_TX_INTFL_OFFCHAN_TX_OK; | |
2eb278e0 JB |
3302 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) |
3303 | IEEE80211_SKB_CB(skb)->hw_queue = | |
3304 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 3305 | |
2eb278e0 | 3306 | /* This will handle all kinds of coalescing and immediate TX */ |
b176e629 AO |
3307 | ret = ieee80211_start_roc_work(local, sdata, params->chan, |
3308 | params->wait, cookie, skb, | |
d339d5ca | 3309 | IEEE80211_ROC_TYPE_MGMT_TX); |
2eb278e0 JB |
3310 | if (ret) |
3311 | kfree_skb(skb); | |
3312 | out_unlock: | |
3313 | mutex_unlock(&local->mtx); | |
3314 | return ret; | |
026331c4 JM |
3315 | } |
3316 | ||
f30221e4 | 3317 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 3318 | struct wireless_dev *wdev, |
f30221e4 JB |
3319 | u64 cookie) |
3320 | { | |
71bbc994 | 3321 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 3322 | |
2eb278e0 | 3323 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
3324 | } |
3325 | ||
7be5086d | 3326 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 3327 | struct wireless_dev *wdev, |
7be5086d JB |
3328 | u16 frame_type, bool reg) |
3329 | { | |
3330 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3331 | ||
6abe0563 | 3332 | switch (frame_type) { |
6abe0563 WH |
3333 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: |
3334 | if (reg) | |
3335 | local->probe_req_reg++; | |
3336 | else | |
3337 | local->probe_req_reg--; | |
7be5086d | 3338 | |
35f5149e FF |
3339 | if (!local->open_count) |
3340 | break; | |
3341 | ||
6abe0563 WH |
3342 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
3343 | break; | |
3344 | default: | |
3345 | break; | |
3346 | } | |
7be5086d JB |
3347 | } |
3348 | ||
15d96753 BR |
3349 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
3350 | { | |
3351 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3352 | ||
3353 | if (local->started) | |
3354 | return -EOPNOTSUPP; | |
3355 | ||
3356 | return drv_set_antenna(local, tx_ant, rx_ant); | |
3357 | } | |
3358 | ||
3359 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
3360 | { | |
3361 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3362 | ||
3363 | return drv_get_antenna(local, tx_ant, rx_ant); | |
3364 | } | |
3365 | ||
38c09159 JL |
3366 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
3367 | { | |
3368 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3369 | ||
3370 | return drv_set_ringparam(local, tx, rx); | |
3371 | } | |
3372 | ||
3373 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
3374 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
3375 | { | |
3376 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3377 | ||
3378 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
3379 | } | |
3380 | ||
c68f4b89 JB |
3381 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
3382 | struct net_device *dev, | |
3383 | struct cfg80211_gtk_rekey_data *data) | |
3384 | { | |
3385 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3386 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3387 | ||
3388 | if (!local->ops->set_rekey_data) | |
3389 | return -EOPNOTSUPP; | |
3390 | ||
3391 | drv_set_rekey_data(local, sdata, data); | |
3392 | ||
3393 | return 0; | |
3394 | } | |
3395 | ||
dfe018bf AN |
3396 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
3397 | { | |
3398 | u8 *pos = (void *)skb_put(skb, 7); | |
3399 | ||
3400 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
3401 | *pos++ = 5; /* len */ | |
3402 | *pos++ = 0x0; | |
3403 | *pos++ = 0x0; | |
3404 | *pos++ = 0x0; | |
3405 | *pos++ = 0x0; | |
3406 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
3407 | } | |
3408 | ||
3409 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
3410 | { | |
3411 | struct ieee80211_local *local = sdata->local; | |
3412 | u16 capab; | |
3413 | ||
3414 | capab = 0; | |
55de908a | 3415 | if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) |
dfe018bf AN |
3416 | return capab; |
3417 | ||
3418 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
3419 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
3420 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
3421 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
3422 | ||
3423 | return capab; | |
3424 | } | |
3425 | ||
3426 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
3427 | u8 *peer, u8 *bssid) | |
3428 | { | |
3429 | struct ieee80211_tdls_lnkie *lnkid; | |
3430 | ||
3431 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
3432 | ||
3433 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
3434 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
3435 | ||
3436 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
3437 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
3438 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
3439 | } | |
3440 | ||
3441 | static int | |
3442 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
3443 | u8 *peer, u8 action_code, u8 dialog_token, | |
3444 | u16 status_code, struct sk_buff *skb) | |
3445 | { | |
3446 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 3447 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
3448 | struct ieee80211_tdls_data *tf; |
3449 | ||
3450 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
3451 | ||
3452 | memcpy(tf->da, peer, ETH_ALEN); | |
3453 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
3454 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
3455 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
3456 | ||
3457 | switch (action_code) { | |
3458 | case WLAN_TDLS_SETUP_REQUEST: | |
3459 | tf->category = WLAN_CATEGORY_TDLS; | |
3460 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
3461 | ||
3462 | skb_put(skb, sizeof(tf->u.setup_req)); | |
3463 | tf->u.setup_req.dialog_token = dialog_token; | |
3464 | tf->u.setup_req.capability = | |
3465 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3466 | ||
55de908a JB |
3467 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3468 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3469 | ieee80211_tdls_add_ext_capab(skb); |
3470 | break; | |
3471 | case WLAN_TDLS_SETUP_RESPONSE: | |
3472 | tf->category = WLAN_CATEGORY_TDLS; | |
3473 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
3474 | ||
3475 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
3476 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
3477 | tf->u.setup_resp.dialog_token = dialog_token; | |
3478 | tf->u.setup_resp.capability = | |
3479 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3480 | ||
55de908a JB |
3481 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3482 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3483 | ieee80211_tdls_add_ext_capab(skb); |
3484 | break; | |
3485 | case WLAN_TDLS_SETUP_CONFIRM: | |
3486 | tf->category = WLAN_CATEGORY_TDLS; | |
3487 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
3488 | ||
3489 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
3490 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
3491 | tf->u.setup_cfm.dialog_token = dialog_token; | |
3492 | break; | |
3493 | case WLAN_TDLS_TEARDOWN: | |
3494 | tf->category = WLAN_CATEGORY_TDLS; | |
3495 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
3496 | ||
3497 | skb_put(skb, sizeof(tf->u.teardown)); | |
3498 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
3499 | break; | |
3500 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3501 | tf->category = WLAN_CATEGORY_TDLS; | |
3502 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
3503 | ||
3504 | skb_put(skb, sizeof(tf->u.discover_req)); | |
3505 | tf->u.discover_req.dialog_token = dialog_token; | |
3506 | break; | |
3507 | default: | |
3508 | return -EINVAL; | |
3509 | } | |
3510 | ||
3511 | return 0; | |
3512 | } | |
3513 | ||
3514 | static int | |
3515 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
3516 | u8 *peer, u8 action_code, u8 dialog_token, | |
3517 | u16 status_code, struct sk_buff *skb) | |
3518 | { | |
3519 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 3520 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
3521 | struct ieee80211_mgmt *mgmt; |
3522 | ||
3523 | mgmt = (void *)skb_put(skb, 24); | |
3524 | memset(mgmt, 0, 24); | |
3525 | memcpy(mgmt->da, peer, ETH_ALEN); | |
3526 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
3527 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
3528 | ||
3529 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
3530 | IEEE80211_STYPE_ACTION); | |
3531 | ||
3532 | switch (action_code) { | |
3533 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3534 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
3535 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
3536 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
3537 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
3538 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
3539 | dialog_token; | |
3540 | mgmt->u.action.u.tdls_discover_resp.capability = | |
3541 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
3542 | ||
55de908a JB |
3543 | ieee80211_add_srates_ie(sdata, skb, false, band); |
3544 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
3545 | ieee80211_tdls_add_ext_capab(skb); |
3546 | break; | |
3547 | default: | |
3548 | return -EINVAL; | |
3549 | } | |
3550 | ||
3551 | return 0; | |
3552 | } | |
3553 | ||
3554 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
3555 | u8 *peer, u8 action_code, u8 dialog_token, | |
3556 | u16 status_code, const u8 *extra_ies, | |
3557 | size_t extra_ies_len) | |
3558 | { | |
3559 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3560 | struct ieee80211_local *local = sdata->local; | |
dfe018bf AN |
3561 | struct sk_buff *skb = NULL; |
3562 | bool send_direct; | |
3563 | int ret; | |
3564 | ||
3565 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3566 | return -ENOTSUPP; | |
3567 | ||
3568 | /* make sure we are in managed mode, and associated */ | |
3569 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
3570 | !sdata->u.mgd.associated) | |
3571 | return -EINVAL; | |
3572 | ||
bdcbd8e0 JB |
3573 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
3574 | action_code, peer); | |
dfe018bf AN |
3575 | |
3576 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
3577 | max(sizeof(struct ieee80211_mgmt), | |
3578 | sizeof(struct ieee80211_tdls_data)) + | |
3579 | 50 + /* supported rates */ | |
3580 | 7 + /* ext capab */ | |
3581 | extra_ies_len + | |
3582 | sizeof(struct ieee80211_tdls_lnkie)); | |
3583 | if (!skb) | |
3584 | return -ENOMEM; | |
3585 | ||
dfe018bf AN |
3586 | skb_reserve(skb, local->hw.extra_tx_headroom); |
3587 | ||
3588 | switch (action_code) { | |
3589 | case WLAN_TDLS_SETUP_REQUEST: | |
3590 | case WLAN_TDLS_SETUP_RESPONSE: | |
3591 | case WLAN_TDLS_SETUP_CONFIRM: | |
3592 | case WLAN_TDLS_TEARDOWN: | |
3593 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3594 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
3595 | action_code, dialog_token, | |
3596 | status_code, skb); | |
3597 | send_direct = false; | |
3598 | break; | |
3599 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3600 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
3601 | dialog_token, status_code, | |
3602 | skb); | |
3603 | send_direct = true; | |
3604 | break; | |
3605 | default: | |
3606 | ret = -ENOTSUPP; | |
3607 | break; | |
3608 | } | |
3609 | ||
3610 | if (ret < 0) | |
3611 | goto fail; | |
3612 | ||
3613 | if (extra_ies_len) | |
3614 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
3615 | ||
3616 | /* the TDLS link IE is always added last */ | |
3617 | switch (action_code) { | |
3618 | case WLAN_TDLS_SETUP_REQUEST: | |
3619 | case WLAN_TDLS_SETUP_CONFIRM: | |
3620 | case WLAN_TDLS_TEARDOWN: | |
3621 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
3622 | /* we are the initiator */ | |
3623 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
3624 | sdata->u.mgd.bssid); | |
3625 | break; | |
3626 | case WLAN_TDLS_SETUP_RESPONSE: | |
3627 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
3628 | /* we are the responder */ | |
3629 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
3630 | sdata->u.mgd.bssid); | |
3631 | break; | |
3632 | default: | |
3633 | ret = -ENOTSUPP; | |
3634 | goto fail; | |
3635 | } | |
3636 | ||
3637 | if (send_direct) { | |
3638 | ieee80211_tx_skb(sdata, skb); | |
3639 | return 0; | |
3640 | } | |
3641 | ||
3642 | /* | |
3643 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
3644 | * we should default to AC_VI. | |
3645 | */ | |
3646 | switch (action_code) { | |
3647 | case WLAN_TDLS_SETUP_REQUEST: | |
3648 | case WLAN_TDLS_SETUP_RESPONSE: | |
3649 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
3650 | skb->priority = 2; | |
3651 | break; | |
3652 | default: | |
3653 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
3654 | skb->priority = 5; | |
3655 | break; | |
3656 | } | |
3657 | ||
3658 | /* disable bottom halves when entering the Tx path */ | |
3659 | local_bh_disable(); | |
3660 | ret = ieee80211_subif_start_xmit(skb, dev); | |
3661 | local_bh_enable(); | |
3662 | ||
3663 | return ret; | |
3664 | ||
3665 | fail: | |
3666 | dev_kfree_skb(skb); | |
3667 | return ret; | |
3668 | } | |
3669 | ||
3670 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
3671 | u8 *peer, enum nl80211_tdls_operation oper) | |
3672 | { | |
941c93cd | 3673 | struct sta_info *sta; |
dfe018bf AN |
3674 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3675 | ||
3676 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
3677 | return -ENOTSUPP; | |
3678 | ||
3679 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
3680 | return -EINVAL; | |
3681 | ||
bdcbd8e0 | 3682 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
3683 | |
3684 | switch (oper) { | |
3685 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
3686 | rcu_read_lock(); |
3687 | sta = sta_info_get(sdata, peer); | |
3688 | if (!sta) { | |
3689 | rcu_read_unlock(); | |
3690 | return -ENOLINK; | |
3691 | } | |
3692 | ||
c2c98fde | 3693 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 3694 | rcu_read_unlock(); |
dfe018bf AN |
3695 | break; |
3696 | case NL80211_TDLS_DISABLE_LINK: | |
3697 | return sta_info_destroy_addr(sdata, peer); | |
3698 | case NL80211_TDLS_TEARDOWN: | |
3699 | case NL80211_TDLS_SETUP: | |
3700 | case NL80211_TDLS_DISCOVERY_REQ: | |
3701 | /* We don't support in-driver setup/teardown/discovery */ | |
3702 | return -ENOTSUPP; | |
3703 | default: | |
3704 | return -ENOTSUPP; | |
3705 | } | |
3706 | ||
3707 | return 0; | |
3708 | } | |
3709 | ||
06500736 JB |
3710 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
3711 | const u8 *peer, u64 *cookie) | |
3712 | { | |
3713 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
3714 | struct ieee80211_local *local = sdata->local; | |
3715 | struct ieee80211_qos_hdr *nullfunc; | |
3716 | struct sk_buff *skb; | |
3717 | int size = sizeof(*nullfunc); | |
3718 | __le16 fc; | |
3719 | bool qos; | |
3720 | struct ieee80211_tx_info *info; | |
3721 | struct sta_info *sta; | |
55de908a JB |
3722 | struct ieee80211_chanctx_conf *chanctx_conf; |
3723 | enum ieee80211_band band; | |
06500736 JB |
3724 | |
3725 | rcu_read_lock(); | |
55de908a JB |
3726 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3727 | if (WARN_ON(!chanctx_conf)) { | |
3728 | rcu_read_unlock(); | |
3729 | return -EINVAL; | |
3730 | } | |
4bf88530 | 3731 | band = chanctx_conf->def.chan->band; |
03bb7f42 | 3732 | sta = sta_info_get_bss(sdata, peer); |
b4487c2d | 3733 | if (sta) { |
06500736 | 3734 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
3735 | } else { |
3736 | rcu_read_unlock(); | |
06500736 | 3737 | return -ENOLINK; |
b4487c2d | 3738 | } |
06500736 JB |
3739 | |
3740 | if (qos) { | |
3741 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3742 | IEEE80211_STYPE_QOS_NULLFUNC | | |
3743 | IEEE80211_FCTL_FROMDS); | |
3744 | } else { | |
3745 | size -= 2; | |
3746 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3747 | IEEE80211_STYPE_NULLFUNC | | |
3748 | IEEE80211_FCTL_FROMDS); | |
3749 | } | |
3750 | ||
3751 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3752 | if (!skb) { |
3753 | rcu_read_unlock(); | |
06500736 | 3754 | return -ENOMEM; |
55de908a | 3755 | } |
06500736 JB |
3756 | |
3757 | skb->dev = dev; | |
3758 | ||
3759 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3760 | ||
3761 | nullfunc = (void *) skb_put(skb, size); | |
3762 | nullfunc->frame_control = fc; | |
3763 | nullfunc->duration_id = 0; | |
3764 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3765 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3766 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3767 | nullfunc->seq_ctrl = 0; | |
3768 | ||
3769 | info = IEEE80211_SKB_CB(skb); | |
3770 | ||
3771 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3772 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3773 | ||
3774 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3775 | skb->priority = 7; | |
3776 | if (qos) | |
3777 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3778 | ||
3779 | local_bh_disable(); | |
55de908a | 3780 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3781 | local_bh_enable(); |
55de908a | 3782 | rcu_read_unlock(); |
06500736 JB |
3783 | |
3784 | *cookie = (unsigned long) skb; | |
3785 | return 0; | |
3786 | } | |
3787 | ||
683b6d3b JB |
3788 | static int ieee80211_cfg_get_channel(struct wiphy *wiphy, |
3789 | struct wireless_dev *wdev, | |
3790 | struct cfg80211_chan_def *chandef) | |
5b7ccaf3 | 3791 | { |
55de908a | 3792 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
cb601ffa | 3793 | struct ieee80211_local *local = wiphy_priv(wiphy); |
55de908a | 3794 | struct ieee80211_chanctx_conf *chanctx_conf; |
683b6d3b | 3795 | int ret = -ENODATA; |
55de908a JB |
3796 | |
3797 | rcu_read_lock(); | |
feda3027 JB |
3798 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
3799 | if (chanctx_conf) { | |
3800 | *chandef = chanctx_conf->def; | |
3801 | ret = 0; | |
3802 | } else if (local->open_count > 0 && | |
3803 | local->open_count == local->monitors && | |
3804 | sdata->vif.type == NL80211_IFTYPE_MONITOR) { | |
3805 | if (local->use_chanctx) | |
3806 | *chandef = local->monitor_chandef; | |
3807 | else | |
675a0b04 | 3808 | *chandef = local->_oper_chandef; |
683b6d3b | 3809 | ret = 0; |
55de908a JB |
3810 | } |
3811 | rcu_read_unlock(); | |
5b7ccaf3 | 3812 | |
683b6d3b | 3813 | return ret; |
5b7ccaf3 JB |
3814 | } |
3815 | ||
6d52563f JB |
3816 | #ifdef CONFIG_PM |
3817 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3818 | { | |
3819 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3820 | } | |
3821 | #endif | |
3822 | ||
f0706e82 JB |
3823 | struct cfg80211_ops mac80211_config_ops = { |
3824 | .add_virtual_intf = ieee80211_add_iface, | |
3825 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3826 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3827 | .start_p2p_device = ieee80211_start_p2p_device, |
3828 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3829 | .add_key = ieee80211_add_key, |
3830 | .del_key = ieee80211_del_key, | |
62da92fb | 3831 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3832 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3833 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3834 | .start_ap = ieee80211_start_ap, |
3835 | .change_beacon = ieee80211_change_beacon, | |
3836 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3837 | .add_station = ieee80211_add_station, |
3838 | .del_station = ieee80211_del_station, | |
3839 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3840 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3841 | .dump_station = ieee80211_dump_station, |
1289723e | 3842 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3843 | #ifdef CONFIG_MAC80211_MESH |
3844 | .add_mpath = ieee80211_add_mpath, | |
3845 | .del_mpath = ieee80211_del_mpath, | |
3846 | .change_mpath = ieee80211_change_mpath, | |
3847 | .get_mpath = ieee80211_get_mpath, | |
3848 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3849 | .update_mesh_config = ieee80211_update_mesh_config, |
3850 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3851 | .join_mesh = ieee80211_join_mesh, |
3852 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3853 | #endif |
9f1ba906 | 3854 | .change_bss = ieee80211_change_bss, |
31888487 | 3855 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3856 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3857 | .suspend = ieee80211_suspend, |
3858 | .resume = ieee80211_resume, | |
2a519311 | 3859 | .scan = ieee80211_scan, |
79f460ca LC |
3860 | .sched_scan_start = ieee80211_sched_scan_start, |
3861 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3862 | .auth = ieee80211_auth, |
3863 | .assoc = ieee80211_assoc, | |
3864 | .deauth = ieee80211_deauth, | |
3865 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3866 | .join_ibss = ieee80211_join_ibss, |
3867 | .leave_ibss = ieee80211_leave_ibss, | |
391e53e3 | 3868 | .set_mcast_rate = ieee80211_set_mcast_rate, |
b9a5f8ca | 3869 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3870 | .set_tx_power = ieee80211_set_tx_power, |
3871 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3872 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3873 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3874 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3875 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3876 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3877 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3878 | .remain_on_channel = ieee80211_remain_on_channel, |
3879 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3880 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3881 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3882 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3883 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3884 | .set_antenna = ieee80211_set_antenna, |
3885 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3886 | .set_ringparam = ieee80211_set_ringparam, |
3887 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3888 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3889 | .tdls_oper = ieee80211_tdls_oper, |
3890 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3891 | .probe_client = ieee80211_probe_client, |
b53be792 | 3892 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3893 | #ifdef CONFIG_PM |
3894 | .set_wakeup = ieee80211_set_wakeup, | |
3895 | #endif | |
b1ab7925 BG |
3896 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3897 | .get_et_stats = ieee80211_get_et_stats, | |
3898 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3899 | .get_channel = ieee80211_cfg_get_channel, |
164eb02d | 3900 | .start_radar_detection = ieee80211_start_radar_detection, |
73da7d5b | 3901 | .channel_switch = ieee80211_channel_switch, |
f0706e82 | 3902 | }; |