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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)) { | |
76 | /* | |
77 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
78 | * changed while the interface is up. | |
79 | * Else we would need to add a lot of cruft | |
80 | * to update everything: | |
81 | * cooked_mntrs, monitor and all fif_* counters | |
82 | * reconfigure hardware | |
83 | */ | |
84 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
85 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
86 | return -EBUSY; | |
87 | ||
88 | ieee80211_adjust_monitor_flags(sdata, -1); | |
89 | sdata->u.mntr_flags = *flags; | |
90 | ieee80211_adjust_monitor_flags(sdata, 1); | |
91 | ||
92 | ieee80211_configure_filter(local); | |
93 | } else { | |
94 | /* | |
95 | * Because the interface is down, ieee80211_do_stop | |
96 | * and ieee80211_do_open take care of "everything" | |
97 | * mentioned in the comment above. | |
98 | */ | |
99 | sdata->u.mntr_flags = *flags; | |
100 | } | |
101 | } | |
f7917af9 | 102 | |
42613db7 JB |
103 | return 0; |
104 | } | |
105 | ||
f142c6b9 JB |
106 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
107 | struct wireless_dev *wdev) | |
108 | { | |
109 | return ieee80211_do_open(wdev, true); | |
110 | } | |
111 | ||
112 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
113 | struct wireless_dev *wdev) | |
114 | { | |
115 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
116 | } | |
117 | ||
b53be792 SW |
118 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
119 | struct net_device *dev, | |
120 | u16 noack_map) | |
121 | { | |
122 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
123 | ||
124 | sdata->noack_map = noack_map; | |
125 | return 0; | |
126 | } | |
127 | ||
e8cbb4cb | 128 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 129 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
130 | struct key_params *params) |
131 | { | |
26a58456 | 132 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 133 | struct sta_info *sta = NULL; |
db4d1169 | 134 | struct ieee80211_key *key; |
3b96766f | 135 | int err; |
e8cbb4cb | 136 | |
26a58456 | 137 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
138 | return -ENETDOWN; |
139 | ||
97359d12 | 140 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
141 | switch (params->cipher) { |
142 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 143 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
144 | case WLAN_CIPHER_SUITE_WEP104: |
145 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
146 | return -EINVAL; | |
3cfcf6ac | 147 | break; |
e8cbb4cb | 148 | default: |
97359d12 | 149 | break; |
e8cbb4cb JB |
150 | } |
151 | ||
97359d12 JB |
152 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
153 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
154 | if (IS_ERR(key)) |
155 | return PTR_ERR(key); | |
db4d1169 | 156 | |
e31b8213 JB |
157 | if (pairwise) |
158 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
159 | ||
ad0e2b5a | 160 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 161 | |
e8cbb4cb | 162 | if (mac_addr) { |
ff973af7 TP |
163 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
164 | sta = sta_info_get(sdata, mac_addr); | |
165 | else | |
166 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 167 | if (!sta) { |
32162a4d | 168 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
169 | err = -ENOENT; |
170 | goto out_unlock; | |
db4d1169 | 171 | } |
e8cbb4cb JB |
172 | } |
173 | ||
e548c49e JB |
174 | switch (sdata->vif.type) { |
175 | case NL80211_IFTYPE_STATION: | |
176 | if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) | |
177 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
178 | break; | |
179 | case NL80211_IFTYPE_AP: | |
180 | case NL80211_IFTYPE_AP_VLAN: | |
181 | /* Keys without a station are used for TX only */ | |
182 | if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) | |
183 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
184 | break; | |
185 | case NL80211_IFTYPE_ADHOC: | |
186 | /* no MFP (yet) */ | |
187 | break; | |
188 | case NL80211_IFTYPE_MESH_POINT: | |
189 | #ifdef CONFIG_MAC80211_MESH | |
190 | if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) | |
191 | key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; | |
192 | break; | |
193 | #endif | |
194 | case NL80211_IFTYPE_WDS: | |
195 | case NL80211_IFTYPE_MONITOR: | |
196 | case NL80211_IFTYPE_P2P_DEVICE: | |
197 | case NL80211_IFTYPE_UNSPECIFIED: | |
198 | case NUM_NL80211_IFTYPES: | |
199 | case NL80211_IFTYPE_P2P_CLIENT: | |
200 | case NL80211_IFTYPE_P2P_GO: | |
201 | /* shouldn't happen */ | |
202 | WARN_ON_ONCE(1); | |
203 | break; | |
204 | } | |
205 | ||
3ffc2a90 JB |
206 | err = ieee80211_key_link(key, sdata, sta); |
207 | if (err) | |
208 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 209 | |
3b96766f | 210 | out_unlock: |
ad0e2b5a | 211 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
212 | |
213 | return err; | |
e8cbb4cb JB |
214 | } |
215 | ||
216 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 217 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 218 | { |
5c0c3641 JB |
219 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
220 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 221 | struct sta_info *sta; |
5c0c3641 | 222 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
223 | int ret; |
224 | ||
5c0c3641 JB |
225 | mutex_lock(&local->sta_mtx); |
226 | mutex_lock(&local->key_mtx); | |
3b96766f | 227 | |
e8cbb4cb | 228 | if (mac_addr) { |
3b96766f JB |
229 | ret = -ENOENT; |
230 | ||
0e5ded5a | 231 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 232 | if (!sta) |
3b96766f | 233 | goto out_unlock; |
e8cbb4cb | 234 | |
5c0c3641 | 235 | if (pairwise) |
40b275b6 | 236 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 237 | else |
40b275b6 | 238 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 239 | } else |
40b275b6 | 240 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 241 | |
5c0c3641 | 242 | if (!key) { |
3b96766f JB |
243 | ret = -ENOENT; |
244 | goto out_unlock; | |
245 | } | |
e8cbb4cb | 246 | |
5c0c3641 | 247 | __ieee80211_key_free(key); |
e8cbb4cb | 248 | |
3b96766f JB |
249 | ret = 0; |
250 | out_unlock: | |
5c0c3641 JB |
251 | mutex_unlock(&local->key_mtx); |
252 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
253 | |
254 | return ret; | |
e8cbb4cb JB |
255 | } |
256 | ||
62da92fb | 257 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
258 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
259 | void *cookie, | |
62da92fb JB |
260 | void (*callback)(void *cookie, |
261 | struct key_params *params)) | |
262 | { | |
14db74bc | 263 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
264 | struct sta_info *sta = NULL; |
265 | u8 seq[6] = {0}; | |
266 | struct key_params params; | |
e31b8213 | 267 | struct ieee80211_key *key = NULL; |
aba83a0b | 268 | u64 pn64; |
62da92fb JB |
269 | u32 iv32; |
270 | u16 iv16; | |
271 | int err = -ENOENT; | |
272 | ||
14db74bc JB |
273 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
274 | ||
3b96766f JB |
275 | rcu_read_lock(); |
276 | ||
62da92fb | 277 | if (mac_addr) { |
0e5ded5a | 278 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
279 | if (!sta) |
280 | goto out; | |
281 | ||
e31b8213 | 282 | if (pairwise) |
a3836e02 | 283 | key = rcu_dereference(sta->ptk); |
e31b8213 | 284 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 285 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 286 | } else |
a3836e02 | 287 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
288 | |
289 | if (!key) | |
290 | goto out; | |
291 | ||
292 | memset(¶ms, 0, sizeof(params)); | |
293 | ||
97359d12 | 294 | params.cipher = key->conf.cipher; |
62da92fb | 295 | |
97359d12 JB |
296 | switch (key->conf.cipher) { |
297 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
298 | iv32 = key->u.tkip.tx.iv32; |
299 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 300 | |
24487981 JB |
301 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
302 | drv_get_tkip_seq(sdata->local, | |
303 | key->conf.hw_key_idx, | |
304 | &iv32, &iv16); | |
62da92fb JB |
305 | |
306 | seq[0] = iv16 & 0xff; | |
307 | seq[1] = (iv16 >> 8) & 0xff; | |
308 | seq[2] = iv32 & 0xff; | |
309 | seq[3] = (iv32 >> 8) & 0xff; | |
310 | seq[4] = (iv32 >> 16) & 0xff; | |
311 | seq[5] = (iv32 >> 24) & 0xff; | |
312 | params.seq = seq; | |
313 | params.seq_len = 6; | |
314 | break; | |
97359d12 | 315 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
316 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
317 | seq[0] = pn64; | |
318 | seq[1] = pn64 >> 8; | |
319 | seq[2] = pn64 >> 16; | |
320 | seq[3] = pn64 >> 24; | |
321 | seq[4] = pn64 >> 32; | |
322 | seq[5] = pn64 >> 40; | |
62da92fb JB |
323 | params.seq = seq; |
324 | params.seq_len = 6; | |
325 | break; | |
97359d12 | 326 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
327 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
328 | seq[0] = pn64; | |
329 | seq[1] = pn64 >> 8; | |
330 | seq[2] = pn64 >> 16; | |
331 | seq[3] = pn64 >> 24; | |
332 | seq[4] = pn64 >> 32; | |
333 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
334 | params.seq = seq; |
335 | params.seq_len = 6; | |
336 | break; | |
62da92fb JB |
337 | } |
338 | ||
339 | params.key = key->conf.key; | |
340 | params.key_len = key->conf.keylen; | |
341 | ||
342 | callback(cookie, ¶ms); | |
343 | err = 0; | |
344 | ||
345 | out: | |
3b96766f | 346 | rcu_read_unlock(); |
62da92fb JB |
347 | return err; |
348 | } | |
349 | ||
e8cbb4cb JB |
350 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
351 | struct net_device *dev, | |
dbd2fd65 JB |
352 | u8 key_idx, bool uni, |
353 | bool multi) | |
e8cbb4cb | 354 | { |
ad0e2b5a | 355 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 356 | |
f7e0104c | 357 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
358 | |
359 | return 0; | |
360 | } | |
361 | ||
3cfcf6ac JM |
362 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
363 | struct net_device *dev, | |
364 | u8 key_idx) | |
365 | { | |
66c52421 | 366 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 367 | |
3cfcf6ac JM |
368 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
369 | ||
3cfcf6ac JM |
370 | return 0; |
371 | } | |
372 | ||
3af6334c FF |
373 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
374 | { | |
55de908a JB |
375 | enum ieee80211_band band = ieee80211_get_sdata_band(sta->sdata); |
376 | ||
3af6334c FF |
377 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { |
378 | struct ieee80211_supported_band *sband; | |
55de908a | 379 | sband = sta->local->hw.wiphy->bands[band]; |
3af6334c FF |
380 | rate->legacy = sband->bitrates[idx].bitrate; |
381 | } else | |
382 | rate->mcs = idx; | |
383 | } | |
384 | ||
6b62bf32 TP |
385 | void sta_set_rate_info_tx(struct sta_info *sta, |
386 | const struct ieee80211_tx_rate *rate, | |
387 | struct rate_info *rinfo) | |
388 | { | |
389 | rinfo->flags = 0; | |
390 | if (rate->flags & IEEE80211_TX_RC_MCS) | |
391 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
392 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
393 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
394 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) | |
395 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
396 | rate_idx_to_bitrate(rinfo, sta, rate->idx); | |
397 | } | |
398 | ||
c5dd9c2b LCC |
399 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
400 | { | |
d0709a65 | 401 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 402 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 403 | struct timespec uptime; |
c5dd9c2b | 404 | |
f5ea9120 JB |
405 | sinfo->generation = sdata->local->sta_generation; |
406 | ||
c5dd9c2b LCC |
407 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
408 | STATION_INFO_RX_BYTES | | |
420e7fab | 409 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
410 | STATION_INFO_RX_PACKETS | |
411 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
412 | STATION_INFO_TX_RETRIES | |
413 | STATION_INFO_TX_FAILED | | |
5a5c731a | 414 | STATION_INFO_TX_BITRATE | |
3af6334c | 415 | STATION_INFO_RX_BITRATE | |
f4263c98 | 416 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 417 | STATION_INFO_BSS_PARAM | |
7a724767 | 418 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
419 | STATION_INFO_STA_FLAGS | |
420 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
421 | |
422 | do_posix_clock_monotonic_gettime(&uptime); | |
423 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
424 | |
425 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
426 | sinfo->rx_bytes = sta->rx_bytes; | |
427 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
428 | sinfo->rx_packets = sta->rx_packets; |
429 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
430 | sinfo->tx_retries = sta->tx_retry_count; |
431 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 432 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 433 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 434 | |
19deffbe JL |
435 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
436 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 437 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
438 | if (!local->ops->get_rssi || |
439 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
440 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 441 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
442 | } |
443 | ||
6b62bf32 | 444 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
3af6334c FF |
445 | |
446 | sinfo->rxrate.flags = 0; | |
447 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
448 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
449 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
450 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
451 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
452 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
453 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 454 | |
902acc78 | 455 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 456 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
457 | sinfo->filled |= STATION_INFO_LLID | |
458 | STATION_INFO_PLID | | |
459 | STATION_INFO_PLINK_STATE; | |
460 | ||
461 | sinfo->llid = le16_to_cpu(sta->llid); | |
462 | sinfo->plid = le16_to_cpu(sta->plid); | |
463 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
464 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
465 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
466 | sinfo->t_offset = sta->t_offset; | |
467 | } | |
c5dd9c2b | 468 | #endif |
902acc78 | 469 | } |
f4263c98 PS |
470 | |
471 | sinfo->bss_param.flags = 0; | |
472 | if (sdata->vif.bss_conf.use_cts_prot) | |
473 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
474 | if (sdata->vif.bss_conf.use_short_preamble) | |
475 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
476 | if (sdata->vif.bss_conf.use_short_slot) | |
477 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
478 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
479 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
480 | |
481 | sinfo->sta_flags.set = 0; | |
482 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
483 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
484 | BIT(NL80211_STA_FLAG_WME) | | |
485 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 HS |
486 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
487 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a724767 HS |
488 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
489 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
490 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
491 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
492 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
493 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
494 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
495 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
496 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
497 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
e4121562 HS |
498 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
499 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
500 | } |
501 | ||
b1ab7925 BG |
502 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
503 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
504 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
505 | "tx_packets", "tx_bytes", "tx_fragments", | |
506 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
507 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
508 | "channel", "noise", "ch_time", "ch_time_busy", | |
509 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
510 | }; |
511 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
512 | ||
513 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
514 | struct net_device *dev, | |
515 | int sset) | |
516 | { | |
e352114f BG |
517 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
518 | int rv = 0; | |
519 | ||
b1ab7925 | 520 | if (sset == ETH_SS_STATS) |
e352114f BG |
521 | rv += STA_STATS_LEN; |
522 | ||
523 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 524 | |
e352114f BG |
525 | if (rv == 0) |
526 | return -EOPNOTSUPP; | |
527 | return rv; | |
b1ab7925 BG |
528 | } |
529 | ||
530 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
531 | struct net_device *dev, | |
532 | struct ethtool_stats *stats, | |
533 | u64 *data) | |
534 | { | |
535 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a JB |
536 | struct ieee80211_chanctx_conf *chanctx_conf; |
537 | struct ieee80211_channel *channel; | |
b1ab7925 BG |
538 | struct sta_info *sta; |
539 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
540 | struct station_info sinfo; |
541 | struct survey_info survey; | |
542 | int i, q; | |
543 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
544 | |
545 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
546 | ||
547 | #define ADD_STA_STATS(sta) \ | |
548 | do { \ | |
549 | data[i++] += sta->rx_packets; \ | |
550 | data[i++] += sta->rx_bytes; \ | |
551 | data[i++] += sta->wep_weak_iv_count; \ | |
552 | data[i++] += sta->num_duplicates; \ | |
553 | data[i++] += sta->rx_fragments; \ | |
554 | data[i++] += sta->rx_dropped; \ | |
555 | \ | |
556 | data[i++] += sta->tx_packets; \ | |
557 | data[i++] += sta->tx_bytes; \ | |
558 | data[i++] += sta->tx_fragments; \ | |
559 | data[i++] += sta->tx_filtered_count; \ | |
560 | data[i++] += sta->tx_retry_failed; \ | |
561 | data[i++] += sta->tx_retry_count; \ | |
562 | data[i++] += sta->beacon_loss_count; \ | |
563 | } while (0) | |
564 | ||
565 | /* For Managed stations, find the single station based on BSSID | |
566 | * and use that. For interface types, iterate through all available | |
567 | * stations and add stats for any station that is assigned to this | |
568 | * network device. | |
569 | */ | |
570 | ||
66572cfc | 571 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
572 | |
573 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
574 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
575 | |
576 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
577 | goto do_survey; | |
578 | ||
579 | i = 0; | |
580 | ADD_STA_STATS(sta); | |
581 | ||
582 | data[i++] = sta->sta_state; | |
583 | ||
584 | sinfo.filled = 0; | |
585 | sta_set_sinfo(sta, &sinfo); | |
586 | ||
5204267d | 587 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
588 | data[i] = 100000 * |
589 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
590 | i++; | |
5204267d | 591 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
592 | data[i] = 100000 * |
593 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
594 | i++; | |
595 | ||
5204267d | 596 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
597 | data[i] = (u8)sinfo.signal_avg; |
598 | i++; | |
b1ab7925 | 599 | } else { |
66572cfc | 600 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
601 | /* Make sure this station belongs to the proper dev */ |
602 | if (sta->sdata->dev != dev) | |
603 | continue; | |
604 | ||
605 | i = 0; | |
606 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
607 | } |
608 | } | |
609 | ||
3073a7c2 BG |
610 | do_survey: |
611 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
612 | /* Get survey stats for current channel */ | |
55de908a | 613 | survey.filled = 0; |
3073a7c2 | 614 | |
55de908a JB |
615 | rcu_read_lock(); |
616 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
617 | if (chanctx_conf) | |
618 | channel = chanctx_conf->channel; | |
619 | else | |
620 | channel = NULL; | |
621 | rcu_read_unlock(); | |
622 | ||
623 | if (channel) { | |
624 | q = 0; | |
625 | do { | |
626 | survey.filled = 0; | |
627 | if (drv_get_survey(local, q, &survey) != 0) { | |
628 | survey.filled = 0; | |
629 | break; | |
630 | } | |
631 | q++; | |
632 | } while (channel != survey.channel); | |
3073a7c2 BG |
633 | } |
634 | ||
635 | if (survey.filled) | |
636 | data[i++] = survey.channel->center_freq; | |
637 | else | |
638 | data[i++] = 0; | |
639 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
640 | data[i++] = (u8)survey.noise; | |
641 | else | |
642 | data[i++] = -1LL; | |
643 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
644 | data[i++] = survey.channel_time; | |
645 | else | |
646 | data[i++] = -1LL; | |
647 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
648 | data[i++] = survey.channel_time_busy; | |
649 | else | |
650 | data[i++] = -1LL; | |
651 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
652 | data[i++] = survey.channel_time_ext_busy; | |
653 | else | |
654 | data[i++] = -1LL; | |
655 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
656 | data[i++] = survey.channel_time_rx; | |
657 | else | |
658 | data[i++] = -1LL; | |
659 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
660 | data[i++] = survey.channel_time_tx; | |
661 | else | |
662 | data[i++] = -1LL; | |
663 | ||
66572cfc | 664 | mutex_unlock(&local->sta_mtx); |
e352114f | 665 | |
3073a7c2 BG |
666 | if (WARN_ON(i != STA_STATS_LEN)) |
667 | return; | |
668 | ||
e352114f | 669 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
670 | } |
671 | ||
672 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
673 | struct net_device *dev, | |
674 | u32 sset, u8 *data) | |
675 | { | |
e352114f BG |
676 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
677 | int sz_sta_stats = 0; | |
678 | ||
b1ab7925 | 679 | if (sset == ETH_SS_STATS) { |
e352114f | 680 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
681 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
682 | } | |
e352114f | 683 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 684 | } |
c5dd9c2b LCC |
685 | |
686 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
687 | int idx, u8 *mac, struct station_info *sinfo) | |
688 | { | |
3b53fde8 | 689 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 690 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 691 | struct sta_info *sta; |
d0709a65 JB |
692 | int ret = -ENOENT; |
693 | ||
66572cfc | 694 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 695 | |
3b53fde8 | 696 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
697 | if (sta) { |
698 | ret = 0; | |
17741cdc | 699 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
700 | sta_set_sinfo(sta, sinfo); |
701 | } | |
c5dd9c2b | 702 | |
66572cfc | 703 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 704 | |
d0709a65 | 705 | return ret; |
c5dd9c2b LCC |
706 | } |
707 | ||
1289723e HS |
708 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
709 | int idx, struct survey_info *survey) | |
710 | { | |
711 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
712 | ||
1289723e HS |
713 | return drv_get_survey(local, idx, survey); |
714 | } | |
715 | ||
7bbdd2d9 | 716 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 717 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 718 | { |
abe60632 | 719 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 720 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 721 | struct sta_info *sta; |
d0709a65 | 722 | int ret = -ENOENT; |
7bbdd2d9 | 723 | |
66572cfc | 724 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 725 | |
0e5ded5a | 726 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
727 | if (sta) { |
728 | ret = 0; | |
729 | sta_set_sinfo(sta, sinfo); | |
730 | } | |
731 | ||
66572cfc | 732 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
733 | |
734 | return ret; | |
7bbdd2d9 JB |
735 | } |
736 | ||
55de908a JB |
737 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
738 | struct ieee80211_channel *chan, | |
739 | enum nl80211_channel_type channel_type) | |
3d9e6e12 JB |
740 | { |
741 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a JB |
742 | struct ieee80211_sub_if_data *sdata; |
743 | int ret = 0; | |
3d9e6e12 | 744 | |
55de908a JB |
745 | if (local->monitor_channel == chan && |
746 | local->monitor_channel_type == channel_type) | |
747 | return 0; | |
3d9e6e12 | 748 | |
55de908a JB |
749 | mutex_lock(&local->iflist_mtx); |
750 | if (local->use_chanctx) { | |
751 | sdata = rcu_dereference_protected( | |
752 | local->monitor_sdata, | |
753 | lockdep_is_held(&local->iflist_mtx)); | |
754 | if (sdata) { | |
755 | ieee80211_vif_release_channel(sdata); | |
756 | ret = ieee80211_vif_use_channel( | |
757 | sdata, chan, channel_type, | |
758 | IEEE80211_CHANCTX_EXCLUSIVE); | |
759 | } | |
760 | } else if (local->open_count == local->monitors) { | |
761 | local->_oper_channel = chan; | |
762 | local->_oper_channel_type = channel_type; | |
763 | ieee80211_hw_config(local, 0); | |
764 | } | |
3d9e6e12 | 765 | |
55de908a JB |
766 | if (ret == 0) { |
767 | local->monitor_channel = chan; | |
768 | local->monitor_channel_type = channel_type; | |
769 | } | |
770 | mutex_unlock(&local->iflist_mtx); | |
3d9e6e12 | 771 | |
55de908a | 772 | return ret; |
e8c9bd5b JB |
773 | } |
774 | ||
02945821 | 775 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 776 | const u8 *resp, size_t resp_len) |
02945821 | 777 | { |
aa7a0080 | 778 | struct probe_resp *new, *old; |
02945821 AN |
779 | |
780 | if (!resp || !resp_len) | |
aba4e6ff | 781 | return 1; |
02945821 | 782 | |
f724828b | 783 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 | 784 | |
aa7a0080 | 785 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
786 | if (!new) |
787 | return -ENOMEM; | |
788 | ||
aa7a0080 ES |
789 | new->len = resp_len; |
790 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
791 | |
792 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
793 | if (old) |
794 | kfree_rcu(old, rcu_head); | |
02945821 AN |
795 | |
796 | return 0; | |
797 | } | |
798 | ||
8860020e JB |
799 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
800 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
801 | { |
802 | struct beacon_data *new, *old; | |
803 | int new_head_len, new_tail_len; | |
8860020e JB |
804 | int size, err; |
805 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 806 | |
40b275b6 | 807 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 808 | |
5dfdaf58 JB |
809 | /* Need to have a beacon head if we don't have one yet */ |
810 | if (!params->head && !old) | |
8860020e | 811 | return -EINVAL; |
5dfdaf58 JB |
812 | |
813 | /* new or old head? */ | |
814 | if (params->head) | |
815 | new_head_len = params->head_len; | |
816 | else | |
817 | new_head_len = old->head_len; | |
818 | ||
819 | /* new or old tail? */ | |
820 | if (params->tail || !old) | |
821 | /* params->tail_len will be zero for !params->tail */ | |
822 | new_tail_len = params->tail_len; | |
823 | else | |
824 | new_tail_len = old->tail_len; | |
825 | ||
826 | size = sizeof(*new) + new_head_len + new_tail_len; | |
827 | ||
828 | new = kzalloc(size, GFP_KERNEL); | |
829 | if (!new) | |
830 | return -ENOMEM; | |
831 | ||
832 | /* start filling the new info now */ | |
833 | ||
5dfdaf58 JB |
834 | /* |
835 | * pointers go into the block we allocated, | |
836 | * memory is | beacon_data | head | tail | | |
837 | */ | |
838 | new->head = ((u8 *) new) + sizeof(*new); | |
839 | new->tail = new->head + new_head_len; | |
840 | new->head_len = new_head_len; | |
841 | new->tail_len = new_tail_len; | |
842 | ||
843 | /* copy in head */ | |
844 | if (params->head) | |
845 | memcpy(new->head, params->head, new_head_len); | |
846 | else | |
847 | memcpy(new->head, old->head, new_head_len); | |
848 | ||
849 | /* copy in optional tail */ | |
850 | if (params->tail) | |
851 | memcpy(new->tail, params->tail, new_tail_len); | |
852 | else | |
853 | if (old) | |
854 | memcpy(new->tail, old->tail, new_tail_len); | |
855 | ||
02945821 AN |
856 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
857 | params->probe_resp_len); | |
8860020e JB |
858 | if (err < 0) |
859 | return err; | |
860 | if (err == 0) | |
02945821 AN |
861 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
862 | ||
8860020e JB |
863 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
864 | ||
865 | if (old) | |
866 | kfree_rcu(old, rcu_head); | |
7827493b | 867 | |
8860020e | 868 | return changed; |
5dfdaf58 JB |
869 | } |
870 | ||
8860020e JB |
871 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
872 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 873 | { |
8860020e | 874 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 875 | struct beacon_data *old; |
665c93a9 | 876 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
877 | u32 changed = BSS_CHANGED_BEACON_INT | |
878 | BSS_CHANGED_BEACON_ENABLED | | |
879 | BSS_CHANGED_BEACON | | |
880 | BSS_CHANGED_SSID; | |
881 | int err; | |
14db74bc | 882 | |
40b275b6 | 883 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
884 | if (old) |
885 | return -EALREADY; | |
886 | ||
55de908a JB |
887 | err = ieee80211_vif_use_channel(sdata, params->channel, |
888 | params->channel_type, | |
889 | IEEE80211_CHANCTX_SHARED); | |
aa430da4 JB |
890 | if (err) |
891 | return err; | |
892 | ||
665c93a9 JB |
893 | /* |
894 | * Apply control port protocol, this allows us to | |
895 | * not encrypt dynamic WEP control frames. | |
896 | */ | |
897 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
898 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
899 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
900 | vlan->control_port_protocol = | |
901 | params->crypto.control_port_ethertype; | |
902 | vlan->control_port_no_encrypt = | |
903 | params->crypto.control_port_no_encrypt; | |
904 | } | |
905 | ||
8860020e JB |
906 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
907 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
908 | ||
909 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
910 | if (params->ssid_len) | |
911 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
912 | params->ssid_len); | |
913 | sdata->vif.bss_conf.hidden_ssid = | |
914 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
915 | ||
916 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); | |
917 | if (err < 0) | |
918 | return err; | |
919 | changed |= err; | |
920 | ||
921 | ieee80211_bss_info_change_notify(sdata, changed); | |
922 | ||
3edaf3e6 JB |
923 | netif_carrier_on(dev); |
924 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
925 | netif_carrier_on(vlan->dev); | |
926 | ||
665c93a9 | 927 | return 0; |
5dfdaf58 JB |
928 | } |
929 | ||
8860020e JB |
930 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
931 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 932 | { |
14db74bc | 933 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 934 | struct beacon_data *old; |
8860020e | 935 | int err; |
5dfdaf58 | 936 | |
14db74bc JB |
937 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
938 | ||
40b275b6 | 939 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
940 | if (!old) |
941 | return -ENOENT; | |
942 | ||
8860020e JB |
943 | err = ieee80211_assign_beacon(sdata, params); |
944 | if (err < 0) | |
945 | return err; | |
946 | ieee80211_bss_info_change_notify(sdata, err); | |
947 | return 0; | |
5dfdaf58 JB |
948 | } |
949 | ||
8860020e | 950 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 951 | { |
3edaf3e6 | 952 | struct ieee80211_sub_if_data *sdata, *vlan; |
5dfdaf58 JB |
953 | struct beacon_data *old; |
954 | ||
14db74bc JB |
955 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
956 | ||
40b275b6 | 957 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
958 | if (!old) |
959 | return -ENOENT; | |
960 | ||
3edaf3e6 JB |
961 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
962 | netif_carrier_off(vlan->dev); | |
963 | netif_carrier_off(dev); | |
964 | ||
a9b3cd7f | 965 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
8860020e JB |
966 | |
967 | kfree_rcu(old, rcu_head); | |
5dfdaf58 | 968 | |
99102bd3 | 969 | sta_info_flush(sdata->local, sdata); |
2d0ddec5 | 970 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 971 | |
55de908a JB |
972 | ieee80211_vif_release_channel(sdata); |
973 | ||
2d0ddec5 | 974 | return 0; |
5dfdaf58 JB |
975 | } |
976 | ||
4fd6931e JB |
977 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
978 | struct iapp_layer2_update { | |
979 | u8 da[ETH_ALEN]; /* broadcast */ | |
980 | u8 sa[ETH_ALEN]; /* STA addr */ | |
981 | __be16 len; /* 6 */ | |
982 | u8 dsap; /* 0 */ | |
983 | u8 ssap; /* 0 */ | |
984 | u8 control; | |
985 | u8 xid_info[3]; | |
bc10502d | 986 | } __packed; |
4fd6931e JB |
987 | |
988 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
989 | { | |
990 | struct iapp_layer2_update *msg; | |
991 | struct sk_buff *skb; | |
992 | ||
993 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
994 | * bridge devices */ | |
995 | ||
996 | skb = dev_alloc_skb(sizeof(*msg)); | |
997 | if (!skb) | |
998 | return; | |
999 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
1000 | ||
1001 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
1002 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
1003 | ||
e83e6541 | 1004 | eth_broadcast_addr(msg->da); |
17741cdc | 1005 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
1006 | msg->len = htons(6); |
1007 | msg->dsap = 0; | |
1008 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
1009 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
1010 | * F=0 (no poll command; unsolicited frame) */ | |
1011 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
1012 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
1013 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
1014 | ||
d0709a65 JB |
1015 | skb->dev = sta->sdata->dev; |
1016 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 1017 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 1018 | netif_rx_ni(skb); |
4fd6931e JB |
1019 | } |
1020 | ||
d9a7ddb0 JB |
1021 | static int sta_apply_parameters(struct ieee80211_local *local, |
1022 | struct sta_info *sta, | |
1023 | struct station_parameters *params) | |
4fd6931e | 1024 | { |
d9a7ddb0 | 1025 | int ret = 0; |
4fd6931e JB |
1026 | u32 rates; |
1027 | int i, j; | |
8318d78a | 1028 | struct ieee80211_supported_band *sband; |
d0709a65 | 1029 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
55de908a | 1030 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
eccb8e8f | 1031 | u32 mask, set; |
4fd6931e | 1032 | |
55de908a | 1033 | sband = local->hw.wiphy->bands[band]; |
ae5eb026 | 1034 | |
eccb8e8f JB |
1035 | mask = params->sta_flags_mask; |
1036 | set = params->sta_flags_set; | |
73651ee6 | 1037 | |
d9a7ddb0 JB |
1038 | /* |
1039 | * In mesh mode, we can clear AUTHENTICATED flag but must | |
1040 | * also make ASSOCIATED follow appropriately for the driver | |
1041 | * API. See also below, after AUTHORIZED changes. | |
1042 | */ | |
1043 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1044 | /* cfg80211 should not allow this in non-mesh modes */ | |
1045 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1046 | return -EINVAL; | |
1047 | ||
1048 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1049 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1050 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1051 | if (ret) |
1052 | return ret; | |
83d5cc01 | 1053 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1054 | if (ret) |
1055 | return ret; | |
1056 | } | |
1057 | } | |
1058 | ||
eccb8e8f | 1059 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 1060 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
83d5cc01 | 1061 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); |
543d1b92 | 1062 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
83d5cc01 | 1063 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1064 | if (ret) |
1065 | return ret; | |
1066 | } | |
1067 | ||
1068 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1069 | /* cfg80211 should not allow this in non-mesh modes */ | |
1070 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1071 | return -EINVAL; | |
1072 | ||
1073 | if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1074 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1075 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1076 | if (ret) |
1077 | return ret; | |
83d5cc01 | 1078 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); |
d9a7ddb0 JB |
1079 | if (ret) |
1080 | return ret; | |
1081 | } | |
eccb8e8f | 1082 | } |
4fd6931e | 1083 | |
d9a7ddb0 | 1084 | |
eccb8e8f | 1085 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1086 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1087 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1088 | else | |
1089 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1090 | } |
4fd6931e | 1091 | |
eccb8e8f | 1092 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1093 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1094 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1095 | sta->sta.wme = true; |
c2c98fde JB |
1096 | } else { |
1097 | clear_sta_flag(sta, WLAN_STA_WME); | |
1098 | sta->sta.wme = false; | |
39df600a | 1099 | } |
eccb8e8f | 1100 | } |
5394af4d | 1101 | |
eccb8e8f | 1102 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1103 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1104 | set_sta_flag(sta, WLAN_STA_MFP); |
1105 | else | |
1106 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1107 | } |
b39c48fa | 1108 | |
07ba55d7 | 1109 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1110 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1111 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1112 | else | |
1113 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1114 | } |
4fd6931e | 1115 | |
3b9ce80c JB |
1116 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1117 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1118 | sta->sta.max_sp = params->max_sp; | |
1119 | } | |
9533b4ac | 1120 | |
51b50fbe JB |
1121 | /* |
1122 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1123 | * only when creating a new station entry | |
1124 | */ | |
1125 | if (params->aid) | |
1126 | sta->sta.aid = params->aid; | |
1127 | ||
73651ee6 JB |
1128 | /* |
1129 | * FIXME: updating the following information is racy when this | |
1130 | * function is called from ieee80211_change_station(). | |
1131 | * However, all this information should be static so | |
1132 | * maybe we should just reject attemps to change it. | |
1133 | */ | |
1134 | ||
4fd6931e JB |
1135 | if (params->listen_interval >= 0) |
1136 | sta->listen_interval = params->listen_interval; | |
1137 | ||
1138 | if (params->supported_rates) { | |
1139 | rates = 0; | |
8318d78a | 1140 | |
4fd6931e JB |
1141 | for (i = 0; i < params->supported_rates_len; i++) { |
1142 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1143 | for (j = 0; j < sband->n_bitrates; j++) { |
1144 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1145 | rates |= BIT(j); |
1146 | } | |
1147 | } | |
55de908a | 1148 | sta->sta.supp_rates[band] = rates; |
4fd6931e | 1149 | } |
c5dd9c2b | 1150 | |
d9fe60de | 1151 | if (params->ht_capa) |
ef96a842 | 1152 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
ae5eb026 | 1153 | params->ht_capa, |
d9fe60de | 1154 | &sta->sta.ht_cap); |
36aedc90 | 1155 | |
9c3990aa | 1156 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1157 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
1158 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
1159 | switch (params->plink_state) { | |
57cf8043 JC |
1160 | case NL80211_PLINK_LISTEN: |
1161 | case NL80211_PLINK_ESTAB: | |
1162 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
1163 | sta->plink_state = params->plink_state; |
1164 | break; | |
1165 | default: | |
1166 | /* nothing */ | |
1167 | break; | |
1168 | } | |
1169 | else | |
1170 | switch (params->plink_action) { | |
1171 | case PLINK_ACTION_OPEN: | |
1172 | mesh_plink_open(sta); | |
1173 | break; | |
1174 | case PLINK_ACTION_BLOCK: | |
1175 | mesh_plink_block(sta); | |
1176 | break; | |
1177 | } | |
4daf50f2 | 1178 | #endif |
902acc78 | 1179 | } |
d9a7ddb0 JB |
1180 | |
1181 | return 0; | |
4fd6931e JB |
1182 | } |
1183 | ||
1184 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1185 | u8 *mac, struct station_parameters *params) | |
1186 | { | |
14db74bc | 1187 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1188 | struct sta_info *sta; |
1189 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1190 | int err; |
b8d476c8 | 1191 | int layer2_update; |
4fd6931e | 1192 | |
4fd6931e JB |
1193 | if (params->vlan) { |
1194 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1195 | ||
05c914fe JB |
1196 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1197 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1198 | return -EINVAL; |
1199 | } else | |
1200 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1201 | ||
b203ca39 | 1202 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1203 | return -EINVAL; |
1204 | ||
1205 | if (is_multicast_ether_addr(mac)) | |
1206 | return -EINVAL; | |
1207 | ||
1208 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1209 | if (!sta) |
1210 | return -ENOMEM; | |
4fd6931e | 1211 | |
83d5cc01 JB |
1212 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1213 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 1214 | |
d9a7ddb0 JB |
1215 | err = sta_apply_parameters(local, sta, params); |
1216 | if (err) { | |
1217 | sta_info_free(local, sta); | |
1218 | return err; | |
1219 | } | |
4fd6931e | 1220 | |
d64cf63e AN |
1221 | /* |
1222 | * for TDLS, rate control should be initialized only when supported | |
1223 | * rates are known. | |
1224 | */ | |
1225 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1226 | rate_control_rate_init(sta); | |
4fd6931e | 1227 | |
b8d476c8 JM |
1228 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1229 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1230 | ||
34e89507 | 1231 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1232 | if (err) { |
73651ee6 JB |
1233 | rcu_read_unlock(); |
1234 | return err; | |
1235 | } | |
1236 | ||
b8d476c8 | 1237 | if (layer2_update) |
73651ee6 JB |
1238 | ieee80211_send_layer2_update(sta); |
1239 | ||
1240 | rcu_read_unlock(); | |
1241 | ||
4fd6931e JB |
1242 | return 0; |
1243 | } | |
1244 | ||
1245 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1246 | u8 *mac) | |
1247 | { | |
14db74bc JB |
1248 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1249 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 1250 | |
14db74bc JB |
1251 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1252 | ||
34e89507 JB |
1253 | if (mac) |
1254 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1255 | |
34e89507 | 1256 | sta_info_flush(local, sdata); |
4fd6931e JB |
1257 | return 0; |
1258 | } | |
1259 | ||
1260 | static int ieee80211_change_station(struct wiphy *wiphy, | |
1261 | struct net_device *dev, | |
1262 | u8 *mac, | |
1263 | struct station_parameters *params) | |
1264 | { | |
abe60632 | 1265 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1266 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1267 | struct sta_info *sta; |
1268 | struct ieee80211_sub_if_data *vlansdata; | |
35b88623 | 1269 | int err; |
4fd6931e | 1270 | |
87be1e1e | 1271 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1272 | |
0e5ded5a | 1273 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1274 | if (!sta) { |
87be1e1e | 1275 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1276 | return -ENOENT; |
98dd6a57 | 1277 | } |
4fd6931e | 1278 | |
bdd90d5e JB |
1279 | /* in station mode, supported rates are only valid with TDLS */ |
1280 | if (sdata->vif.type == NL80211_IFTYPE_STATION && | |
1281 | params->supported_rates && | |
1282 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
87be1e1e | 1283 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1284 | return -EINVAL; |
1285 | } | |
1286 | ||
d0709a65 | 1287 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1288 | bool prev_4addr = false; |
1289 | bool new_4addr = false; | |
1290 | ||
4fd6931e JB |
1291 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1292 | ||
05c914fe JB |
1293 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1294 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1295 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1296 | return -EINVAL; |
98dd6a57 | 1297 | } |
4fd6931e | 1298 | |
9bc383de | 1299 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1300 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1301 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1302 | return -EBUSY; |
3305443c | 1303 | } |
f14543ee | 1304 | |
cf778b00 | 1305 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1306 | new_4addr = true; |
1307 | } | |
1308 | ||
1309 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1310 | sta->sdata->u.vlan.sta) { | |
1311 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1312 | prev_4addr = true; | |
f14543ee FF |
1313 | } |
1314 | ||
14db74bc | 1315 | sta->sdata = vlansdata; |
7e3ed02c FF |
1316 | |
1317 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1318 | prev_4addr != new_4addr) { | |
1319 | if (new_4addr) | |
1320 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1321 | else | |
1322 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1323 | } | |
1324 | ||
4fd6931e JB |
1325 | ieee80211_send_layer2_update(sta); |
1326 | } | |
1327 | ||
35b88623 EP |
1328 | err = sta_apply_parameters(local, sta, params); |
1329 | if (err) { | |
1330 | mutex_unlock(&local->sta_mtx); | |
1331 | return err; | |
1332 | } | |
4fd6931e | 1333 | |
d64cf63e AN |
1334 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1335 | rate_control_rate_init(sta); | |
1336 | ||
87be1e1e | 1337 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1338 | |
808118cb | 1339 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1340 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1341 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1342 | ieee80211_recalc_ps_vif(sdata); |
1343 | } | |
4fd6931e JB |
1344 | return 0; |
1345 | } | |
1346 | ||
c5dd9c2b LCC |
1347 | #ifdef CONFIG_MAC80211_MESH |
1348 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1349 | u8 *dst, u8 *next_hop) | |
1350 | { | |
14db74bc | 1351 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1352 | struct mesh_path *mpath; |
1353 | struct sta_info *sta; | |
1354 | int err; | |
1355 | ||
14db74bc JB |
1356 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1357 | ||
d0709a65 | 1358 | rcu_read_lock(); |
abe60632 | 1359 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1360 | if (!sta) { |
1361 | rcu_read_unlock(); | |
c5dd9c2b | 1362 | return -ENOENT; |
d0709a65 | 1363 | } |
c5dd9c2b | 1364 | |
f698d856 | 1365 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
1366 | if (err) { |
1367 | rcu_read_unlock(); | |
c5dd9c2b | 1368 | return err; |
d0709a65 | 1369 | } |
c5dd9c2b | 1370 | |
f698d856 | 1371 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1372 | if (!mpath) { |
1373 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1374 | return -ENXIO; |
1375 | } | |
1376 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1377 | |
c5dd9c2b LCC |
1378 | rcu_read_unlock(); |
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1383 | u8 *dst) | |
1384 | { | |
f698d856 JBG |
1385 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1386 | ||
c5dd9c2b | 1387 | if (dst) |
f698d856 | 1388 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 1389 | |
ece1a2e7 | 1390 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1391 | return 0; |
1392 | } | |
1393 | ||
1394 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1395 | struct net_device *dev, | |
1396 | u8 *dst, u8 *next_hop) | |
1397 | { | |
14db74bc | 1398 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1399 | struct mesh_path *mpath; |
1400 | struct sta_info *sta; | |
1401 | ||
14db74bc JB |
1402 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1403 | ||
d0709a65 JB |
1404 | rcu_read_lock(); |
1405 | ||
abe60632 | 1406 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1407 | if (!sta) { |
1408 | rcu_read_unlock(); | |
c5dd9c2b | 1409 | return -ENOENT; |
d0709a65 | 1410 | } |
c5dd9c2b | 1411 | |
f698d856 | 1412 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1413 | if (!mpath) { |
1414 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1415 | return -ENOENT; |
1416 | } | |
1417 | ||
1418 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1419 | |
c5dd9c2b LCC |
1420 | rcu_read_unlock(); |
1421 | return 0; | |
1422 | } | |
1423 | ||
1424 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1425 | struct mpath_info *pinfo) | |
1426 | { | |
a3836e02 JB |
1427 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1428 | ||
1429 | if (next_hop_sta) | |
1430 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1431 | else |
1432 | memset(next_hop, 0, ETH_ALEN); | |
1433 | ||
7ce8c7a3 LAYS |
1434 | memset(pinfo, 0, sizeof(*pinfo)); |
1435 | ||
f5ea9120 JB |
1436 | pinfo->generation = mesh_paths_generation; |
1437 | ||
c5dd9c2b | 1438 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1439 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1440 | MPATH_INFO_METRIC | |
1441 | MPATH_INFO_EXPTIME | | |
1442 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1443 | MPATH_INFO_DISCOVERY_RETRIES | | |
1444 | MPATH_INFO_FLAGS; | |
1445 | ||
1446 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1447 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1448 | pinfo->metric = mpath->metric; |
1449 | if (time_before(jiffies, mpath->exp_time)) | |
1450 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1451 | pinfo->discovery_timeout = | |
1452 | jiffies_to_msecs(mpath->discovery_timeout); | |
1453 | pinfo->discovery_retries = mpath->discovery_retries; | |
c5dd9c2b LCC |
1454 | if (mpath->flags & MESH_PATH_ACTIVE) |
1455 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1456 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1457 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1458 | if (mpath->flags & MESH_PATH_SN_VALID) |
1459 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1460 | if (mpath->flags & MESH_PATH_FIXED) |
1461 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
7ce8c7a3 LAYS |
1462 | if (mpath->flags & MESH_PATH_RESOLVED) |
1463 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; | |
c5dd9c2b LCC |
1464 | } |
1465 | ||
1466 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1467 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1468 | ||
1469 | { | |
14db74bc | 1470 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1471 | struct mesh_path *mpath; |
1472 | ||
14db74bc JB |
1473 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1474 | ||
c5dd9c2b | 1475 | rcu_read_lock(); |
f698d856 | 1476 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1477 | if (!mpath) { |
1478 | rcu_read_unlock(); | |
1479 | return -ENOENT; | |
1480 | } | |
1481 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1482 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1483 | rcu_read_unlock(); | |
1484 | return 0; | |
1485 | } | |
1486 | ||
1487 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1488 | int idx, u8 *dst, u8 *next_hop, | |
1489 | struct mpath_info *pinfo) | |
1490 | { | |
14db74bc | 1491 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1492 | struct mesh_path *mpath; |
1493 | ||
14db74bc JB |
1494 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1495 | ||
c5dd9c2b | 1496 | rcu_read_lock(); |
f698d856 | 1497 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1498 | if (!mpath) { |
1499 | rcu_read_unlock(); | |
1500 | return -ENOENT; | |
1501 | } | |
1502 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1503 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1504 | rcu_read_unlock(); | |
1505 | return 0; | |
1506 | } | |
93da9cc1 | 1507 | |
24bdd9f4 | 1508 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1509 | struct net_device *dev, |
1510 | struct mesh_config *conf) | |
1511 | { | |
1512 | struct ieee80211_sub_if_data *sdata; | |
1513 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1514 | ||
93da9cc1 | 1515 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1520 | { | |
1521 | return (mask >> (parm-1)) & 0x1; | |
1522 | } | |
1523 | ||
c80d545d JC |
1524 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1525 | const struct mesh_setup *setup) | |
1526 | { | |
1527 | u8 *new_ie; | |
1528 | const u8 *old_ie; | |
4bb62344 CYY |
1529 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1530 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1531 | |
581a8b0f | 1532 | /* allocate information elements */ |
c80d545d | 1533 | new_ie = NULL; |
581a8b0f | 1534 | old_ie = ifmsh->ie; |
c80d545d | 1535 | |
581a8b0f JC |
1536 | if (setup->ie_len) { |
1537 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1538 | GFP_KERNEL); |
1539 | if (!new_ie) | |
1540 | return -ENOMEM; | |
1541 | } | |
581a8b0f JC |
1542 | ifmsh->ie_len = setup->ie_len; |
1543 | ifmsh->ie = new_ie; | |
1544 | kfree(old_ie); | |
c80d545d JC |
1545 | |
1546 | /* now copy the rest of the setup parameters */ | |
1547 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1548 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1549 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1550 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1551 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1552 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1553 | if (setup->is_authenticated) | |
1554 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1555 | if (setup->is_secure) | |
1556 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1557 | |
4bb62344 CYY |
1558 | /* mcast rate setting in Mesh Node */ |
1559 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1560 | sizeof(setup->mcast_rate)); | |
1561 | ||
c80d545d JC |
1562 | return 0; |
1563 | } | |
1564 | ||
24bdd9f4 | 1565 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1566 | struct net_device *dev, u32 mask, |
1567 | const struct mesh_config *nconf) | |
93da9cc1 | 1568 | { |
1569 | struct mesh_config *conf; | |
1570 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1571 | struct ieee80211_if_mesh *ifmsh; |
1572 | ||
93da9cc1 | 1573 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1574 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1575 | |
93da9cc1 | 1576 | /* Set the config options which we are interested in setting */ |
1577 | conf = &(sdata->u.mesh.mshcfg); | |
1578 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1579 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1580 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1581 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1582 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1583 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1584 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1585 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1586 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1587 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1588 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1589 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1590 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1591 | conf->element_ttl = nconf->element_ttl; |
93da9cc1 | 1592 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1593 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
d299a1f2 JC |
1594 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1595 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1596 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1597 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1598 | conf->dot11MeshHWMPmaxPREQretries = | |
1599 | nconf->dot11MeshHWMPmaxPREQretries; | |
1600 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1601 | conf->path_refresh_time = nconf->path_refresh_time; | |
1602 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1603 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1604 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1605 | conf->dot11MeshHWMPactivePathTimeout = | |
1606 | nconf->dot11MeshHWMPactivePathTimeout; | |
1607 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1608 | conf->dot11MeshHWMPpreqMinInterval = | |
1609 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1610 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1611 | conf->dot11MeshHWMPperrMinInterval = | |
1612 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1613 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1614 | mask)) | |
1615 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1616 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1617 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1618 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1619 | ieee80211_mesh_root_setup(ifmsh); | |
1620 | } | |
16dd7267 | 1621 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1622 | /* our current gate announcement implementation rides on root |
1623 | * announcements, so require this ifmsh to also be a root node | |
1624 | * */ | |
1625 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1626 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1627 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1628 | ieee80211_mesh_root_setup(ifmsh); |
1629 | } | |
16dd7267 JC |
1630 | conf->dot11MeshGateAnnouncementProtocol = |
1631 | nconf->dot11MeshGateAnnouncementProtocol; | |
1632 | } | |
a4f606ea | 1633 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1634 | conf->dot11MeshHWMPRannInterval = |
1635 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1636 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1637 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1638 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1639 | /* our RSSI threshold implementation is supported only for | |
1640 | * devices that report signal in dBm. | |
1641 | */ | |
1642 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1643 | return -ENOTSUPP; | |
1644 | conf->rssi_threshold = nconf->rssi_threshold; | |
1645 | } | |
70c33eaa AN |
1646 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1647 | conf->ht_opmode = nconf->ht_opmode; | |
1648 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1649 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1650 | } | |
ac1073a6 CYY |
1651 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1652 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1653 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1654 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1655 | conf->dot11MeshHWMProotInterval = | |
1656 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1657 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1658 | conf->dot11MeshHWMPconfirmationInterval = | |
1659 | nconf->dot11MeshHWMPconfirmationInterval; | |
93da9cc1 | 1660 | return 0; |
1661 | } | |
1662 | ||
29cbe68c JB |
1663 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1664 | const struct mesh_config *conf, | |
1665 | const struct mesh_setup *setup) | |
1666 | { | |
1667 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1668 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1669 | int err; |
29cbe68c | 1670 | |
c80d545d JC |
1671 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1672 | err = copy_mesh_setup(ifmsh, setup); | |
1673 | if (err) | |
1674 | return err; | |
cc1d2806 | 1675 | |
55de908a JB |
1676 | err = ieee80211_vif_use_channel(sdata, setup->channel, |
1677 | setup->channel_type, | |
1678 | IEEE80211_CHANCTX_SHARED); | |
cc1d2806 JB |
1679 | if (err) |
1680 | return err; | |
1681 | ||
29cbe68c JB |
1682 | ieee80211_start_mesh(sdata); |
1683 | ||
1684 | return 0; | |
1685 | } | |
1686 | ||
1687 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1688 | { | |
1689 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1690 | ||
1691 | ieee80211_stop_mesh(sdata); | |
55de908a | 1692 | ieee80211_vif_release_channel(sdata); |
29cbe68c JB |
1693 | |
1694 | return 0; | |
1695 | } | |
c5dd9c2b LCC |
1696 | #endif |
1697 | ||
9f1ba906 JM |
1698 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1699 | struct net_device *dev, | |
1700 | struct bss_parameters *params) | |
1701 | { | |
55de908a JB |
1702 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1703 | enum ieee80211_band band; | |
9f1ba906 JM |
1704 | u32 changed = 0; |
1705 | ||
55de908a JB |
1706 | if (!rtnl_dereference(sdata->u.ap.beacon)) |
1707 | return -ENOENT; | |
1708 | ||
1709 | band = ieee80211_get_sdata_band(sdata); | |
9f1ba906 | 1710 | |
9f1ba906 | 1711 | if (params->use_cts_prot >= 0) { |
bda3933a | 1712 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1713 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1714 | } | |
1715 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1716 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1717 | params->use_short_preamble; |
1718 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1719 | } | |
43d35343 FF |
1720 | |
1721 | if (!sdata->vif.bss_conf.use_short_slot && | |
55de908a | 1722 | band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1723 | sdata->vif.bss_conf.use_short_slot = true; |
1724 | changed |= BSS_CHANGED_ERP_SLOT; | |
1725 | } | |
1726 | ||
9f1ba906 | 1727 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1728 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1729 | params->use_short_slot_time; |
1730 | changed |= BSS_CHANGED_ERP_SLOT; | |
1731 | } | |
1732 | ||
90c97a04 JM |
1733 | if (params->basic_rates) { |
1734 | int i, j; | |
1735 | u32 rates = 0; | |
55de908a | 1736 | struct ieee80211_supported_band *sband = wiphy->bands[band]; |
90c97a04 JM |
1737 | |
1738 | for (i = 0; i < params->basic_rates_len; i++) { | |
1739 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1740 | for (j = 0; j < sband->n_bitrates; j++) { | |
1741 | if (sband->bitrates[j].bitrate == rate) | |
1742 | rates |= BIT(j); | |
1743 | } | |
1744 | } | |
1745 | sdata->vif.bss_conf.basic_rates = rates; | |
1746 | changed |= BSS_CHANGED_BASIC_RATES; | |
1747 | } | |
1748 | ||
7b7b5e56 FF |
1749 | if (params->ap_isolate >= 0) { |
1750 | if (params->ap_isolate) | |
1751 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1752 | else | |
1753 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1754 | } | |
1755 | ||
80d7e403 HS |
1756 | if (params->ht_opmode >= 0) { |
1757 | sdata->vif.bss_conf.ht_operation_mode = | |
1758 | (u16) params->ht_opmode; | |
1759 | changed |= BSS_CHANGED_HT; | |
1760 | } | |
1761 | ||
9f1ba906 JM |
1762 | ieee80211_bss_info_change_notify(sdata, changed); |
1763 | ||
1764 | return 0; | |
1765 | } | |
1766 | ||
31888487 | 1767 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1768 | struct net_device *dev, |
31888487 JM |
1769 | struct ieee80211_txq_params *params) |
1770 | { | |
1771 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1772 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1773 | struct ieee80211_tx_queue_params p; |
1774 | ||
1775 | if (!local->ops->conf_tx) | |
1776 | return -EOPNOTSUPP; | |
1777 | ||
54bcbc69 JB |
1778 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1779 | return -EOPNOTSUPP; | |
1780 | ||
31888487 JM |
1781 | memset(&p, 0, sizeof(p)); |
1782 | p.aifs = params->aifs; | |
1783 | p.cw_max = params->cwmax; | |
1784 | p.cw_min = params->cwmin; | |
1785 | p.txop = params->txop; | |
ab13315a KV |
1786 | |
1787 | /* | |
1788 | * Setting tx queue params disables u-apsd because it's only | |
1789 | * called in master mode. | |
1790 | */ | |
1791 | p.uapsd = false; | |
1792 | ||
a3304b0a JB |
1793 | sdata->tx_conf[params->ac] = p; |
1794 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1795 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1796 | "failed to set TX queue parameters for AC %d\n", |
1797 | params->ac); | |
31888487 JM |
1798 | return -EINVAL; |
1799 | } | |
1800 | ||
7d25745d JB |
1801 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1802 | ||
31888487 JM |
1803 | return 0; |
1804 | } | |
1805 | ||
665af4fc | 1806 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1807 | static int ieee80211_suspend(struct wiphy *wiphy, |
1808 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1809 | { |
eecc4800 | 1810 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1811 | } |
1812 | ||
1813 | static int ieee80211_resume(struct wiphy *wiphy) | |
1814 | { | |
1815 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1816 | } | |
1817 | #else | |
1818 | #define ieee80211_suspend NULL | |
1819 | #define ieee80211_resume NULL | |
1820 | #endif | |
1821 | ||
2a519311 | 1822 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1823 | struct cfg80211_scan_request *req) |
1824 | { | |
fd014284 JB |
1825 | struct ieee80211_sub_if_data *sdata; |
1826 | ||
1827 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1828 | |
2ca27bcf JB |
1829 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1830 | case NL80211_IFTYPE_STATION: | |
1831 | case NL80211_IFTYPE_ADHOC: | |
1832 | case NL80211_IFTYPE_MESH_POINT: | |
1833 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1834 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1835 | break; |
1836 | case NL80211_IFTYPE_P2P_GO: | |
1837 | if (sdata->local->ops->hw_scan) | |
1838 | break; | |
e9d7732e JB |
1839 | /* |
1840 | * FIXME: implement NoA while scanning in software, | |
1841 | * for now fall through to allow scanning only when | |
1842 | * beaconing hasn't been configured yet | |
1843 | */ | |
2ca27bcf JB |
1844 | case NL80211_IFTYPE_AP: |
1845 | if (sdata->u.ap.beacon) | |
1846 | return -EOPNOTSUPP; | |
1847 | break; | |
1848 | default: | |
1849 | return -EOPNOTSUPP; | |
1850 | } | |
2a519311 JB |
1851 | |
1852 | return ieee80211_request_scan(sdata, req); | |
1853 | } | |
1854 | ||
79f460ca LC |
1855 | static int |
1856 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1857 | struct net_device *dev, | |
1858 | struct cfg80211_sched_scan_request *req) | |
1859 | { | |
1860 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1861 | ||
1862 | if (!sdata->local->ops->sched_scan_start) | |
1863 | return -EOPNOTSUPP; | |
1864 | ||
1865 | return ieee80211_request_sched_scan_start(sdata, req); | |
1866 | } | |
1867 | ||
1868 | static int | |
85a9994a | 1869 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1870 | { |
1871 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1872 | ||
1873 | if (!sdata->local->ops->sched_scan_stop) | |
1874 | return -EOPNOTSUPP; | |
1875 | ||
85a9994a | 1876 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1877 | } |
1878 | ||
636a5d36 JM |
1879 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1880 | struct cfg80211_auth_request *req) | |
1881 | { | |
77fdaa12 | 1882 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1883 | } |
1884 | ||
1885 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1886 | struct cfg80211_assoc_request *req) | |
1887 | { | |
77fdaa12 | 1888 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1889 | } |
1890 | ||
1891 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1892 | struct cfg80211_deauth_request *req) |
636a5d36 | 1893 | { |
63c9c5e7 | 1894 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1895 | } |
1896 | ||
1897 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1898 | struct cfg80211_disassoc_request *req) |
636a5d36 | 1899 | { |
63c9c5e7 | 1900 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1901 | } |
1902 | ||
af8cdcd8 JB |
1903 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1904 | struct cfg80211_ibss_params *params) | |
1905 | { | |
55de908a | 1906 | return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); |
af8cdcd8 JB |
1907 | } |
1908 | ||
1909 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1910 | { | |
55de908a | 1911 | return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); |
af8cdcd8 JB |
1912 | } |
1913 | ||
b9a5f8ca JM |
1914 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1915 | { | |
1916 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1917 | int err; |
b9a5f8ca | 1918 | |
f23a4780 AN |
1919 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1920 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1921 | ||
1922 | if (err) | |
1923 | return err; | |
1924 | } | |
1925 | ||
310bc676 LT |
1926 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1927 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1928 | ||
1929 | if (err) | |
1930 | return err; | |
1931 | } | |
1932 | ||
b9a5f8ca | 1933 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1934 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1935 | |
24487981 JB |
1936 | if (err) |
1937 | return err; | |
b9a5f8ca JM |
1938 | } |
1939 | ||
1940 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1941 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1942 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1943 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1944 | if (changed & | |
1945 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1946 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1947 | ||
1948 | return 0; | |
1949 | } | |
1950 | ||
7643a2c3 | 1951 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1952 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1953 | { |
1954 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
55de908a | 1955 | struct ieee80211_channel *chan = local->_oper_channel; |
7643a2c3 | 1956 | u32 changes = 0; |
7643a2c3 | 1957 | |
55de908a JB |
1958 | /* FIXME */ |
1959 | if (local->use_chanctx) | |
1960 | return -EOPNOTSUPP; | |
1961 | ||
7643a2c3 | 1962 | switch (type) { |
fa61cf70 | 1963 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1964 | local->user_power_level = -1; |
1965 | break; | |
fa61cf70 JO |
1966 | case NL80211_TX_POWER_LIMITED: |
1967 | if (mbm < 0 || (mbm % 100)) | |
1968 | return -EOPNOTSUPP; | |
1969 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1970 | break; |
fa61cf70 JO |
1971 | case NL80211_TX_POWER_FIXED: |
1972 | if (mbm < 0 || (mbm % 100)) | |
1973 | return -EOPNOTSUPP; | |
7643a2c3 | 1974 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1975 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1976 | return -EINVAL; |
fa61cf70 | 1977 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1978 | break; |
7643a2c3 JB |
1979 | } |
1980 | ||
1981 | ieee80211_hw_config(local, changes); | |
1982 | ||
1983 | return 0; | |
1984 | } | |
1985 | ||
1986 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1987 | { | |
1988 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1989 | ||
1990 | *dbm = local->hw.conf.power_level; | |
1991 | ||
7643a2c3 JB |
1992 | return 0; |
1993 | } | |
1994 | ||
ab737a4f | 1995 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1996 | const u8 *addr) |
ab737a4f JB |
1997 | { |
1998 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1999 | ||
2000 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
2001 | ||
2002 | return 0; | |
2003 | } | |
2004 | ||
1f87f7d3 JB |
2005 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
2006 | { | |
2007 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2008 | ||
2009 | drv_rfkill_poll(local); | |
2010 | } | |
2011 | ||
aff89a9b | 2012 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 2013 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
2014 | { |
2015 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2016 | ||
2017 | if (!local->ops->testmode_cmd) | |
2018 | return -EOPNOTSUPP; | |
2019 | ||
2020 | return local->ops->testmode_cmd(&local->hw, data, len); | |
2021 | } | |
71063f0e WYG |
2022 | |
2023 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2024 | struct sk_buff *skb, | |
2025 | struct netlink_callback *cb, | |
2026 | void *data, int len) | |
2027 | { | |
2028 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2029 | ||
2030 | if (!local->ops->testmode_dump) | |
2031 | return -EOPNOTSUPP; | |
2032 | ||
2033 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2034 | } | |
aff89a9b JB |
2035 | #endif |
2036 | ||
0f78231b JB |
2037 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2038 | enum ieee80211_smps_mode smps_mode) | |
2039 | { | |
2040 | const u8 *ap; | |
2041 | enum ieee80211_smps_mode old_req; | |
2042 | int err; | |
2043 | ||
243e6df4 JB |
2044 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2045 | ||
0f78231b JB |
2046 | old_req = sdata->u.mgd.req_smps; |
2047 | sdata->u.mgd.req_smps = smps_mode; | |
2048 | ||
2049 | if (old_req == smps_mode && | |
2050 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2051 | return 0; | |
2052 | ||
2053 | /* | |
2054 | * If not associated, or current association is not an HT | |
2055 | * association, there's no need to send an action frame. | |
2056 | */ | |
2057 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 2058 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
025e6be2 | 2059 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
2060 | return 0; |
2061 | } | |
2062 | ||
0c1ad2ca | 2063 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2064 | |
2065 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2066 | if (sdata->u.mgd.powersave) | |
2067 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2068 | else | |
2069 | smps_mode = IEEE80211_SMPS_OFF; | |
2070 | } | |
2071 | ||
2072 | /* send SM PS frame to AP */ | |
2073 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2074 | ap, ap); | |
2075 | if (err) | |
2076 | sdata->u.mgd.req_smps = old_req; | |
2077 | ||
2078 | return err; | |
2079 | } | |
2080 | ||
bc92afd9 JB |
2081 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2082 | bool enabled, int timeout) | |
2083 | { | |
2084 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2085 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2086 | |
e5de30c9 BP |
2087 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
2088 | return -EOPNOTSUPP; | |
2089 | ||
bc92afd9 JB |
2090 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2091 | return -EOPNOTSUPP; | |
2092 | ||
2093 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2094 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2095 | return 0; |
2096 | ||
2097 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2098 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2099 | |
0f78231b JB |
2100 | /* no change, but if automatic follow powersave */ |
2101 | mutex_lock(&sdata->u.mgd.mtx); | |
2102 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2103 | mutex_unlock(&sdata->u.mgd.mtx); | |
2104 | ||
bc92afd9 JB |
2105 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2106 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2107 | ||
2108 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2109 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2110 | |
2111 | return 0; | |
2112 | } | |
2113 | ||
a97c13c3 JO |
2114 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2115 | struct net_device *dev, | |
2116 | s32 rssi_thold, u32 rssi_hyst) | |
2117 | { | |
2118 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2119 | struct ieee80211_vif *vif = &sdata->vif; |
2120 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2121 | ||
a97c13c3 JO |
2122 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2123 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2124 | return 0; | |
2125 | ||
2126 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2127 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2128 | ||
2129 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2130 | if (sdata->u.mgd.associated && |
2131 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2132 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2133 | ||
2134 | return 0; | |
2135 | } | |
2136 | ||
9930380f JB |
2137 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2138 | struct net_device *dev, | |
2139 | const u8 *addr, | |
2140 | const struct cfg80211_bitrate_mask *mask) | |
2141 | { | |
2142 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2143 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2144 | int i, ret; |
2c7e6bc9 | 2145 | |
554a43d5 EP |
2146 | if (!ieee80211_sdata_running(sdata)) |
2147 | return -ENETDOWN; | |
2148 | ||
bdbfd6b5 SM |
2149 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2150 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2151 | if (ret) | |
2152 | return ret; | |
2153 | } | |
9930380f | 2154 | |
19468413 | 2155 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2156 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2157 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2158 | sizeof(mask->control[i].mcs)); | |
2159 | } | |
9930380f | 2160 | |
37eb0b16 | 2161 | return 0; |
9930380f JB |
2162 | } |
2163 | ||
2eb278e0 JB |
2164 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2165 | struct ieee80211_sub_if_data *sdata, | |
2166 | struct ieee80211_channel *channel, | |
2167 | enum nl80211_channel_type channel_type, | |
2168 | unsigned int duration, u64 *cookie, | |
2169 | struct sk_buff *txskb) | |
2170 | { | |
2171 | struct ieee80211_roc_work *roc, *tmp; | |
2172 | bool queued = false; | |
21f83589 | 2173 | int ret; |
21f83589 JB |
2174 | |
2175 | lockdep_assert_held(&local->mtx); | |
2176 | ||
fe57d9f5 JB |
2177 | if (local->use_chanctx && !local->ops->remain_on_channel) |
2178 | return -EOPNOTSUPP; | |
2179 | ||
2eb278e0 JB |
2180 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2181 | if (!roc) | |
2182 | return -ENOMEM; | |
2183 | ||
2184 | roc->chan = channel; | |
2185 | roc->chan_type = channel_type; | |
2186 | roc->duration = duration; | |
2187 | roc->req_duration = duration; | |
2188 | roc->frame = txskb; | |
2189 | roc->mgmt_tx_cookie = (unsigned long)txskb; | |
2190 | roc->sdata = sdata; | |
2191 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2192 | INIT_LIST_HEAD(&roc->dependents); | |
2193 | ||
2194 | /* if there's one pending or we're scanning, queue this one */ | |
2195 | if (!list_empty(&local->roc_list) || local->scanning) | |
2196 | goto out_check_combine; | |
2197 | ||
2198 | /* if not HW assist, just queue & schedule work */ | |
2199 | if (!local->ops->remain_on_channel) { | |
2200 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2201 | goto out_queue; | |
2202 | } | |
2203 | ||
2204 | /* otherwise actually kick it off here (for error handling) */ | |
2205 | ||
2206 | /* | |
2207 | * If the duration is zero, then the driver | |
2208 | * wouldn't actually do anything. Set it to | |
2209 | * 10 for now. | |
2210 | * | |
2211 | * TODO: cancel the off-channel operation | |
2212 | * when we get the SKB's TX status and | |
2213 | * the wait time was zero before. | |
2214 | */ | |
2215 | if (!duration) | |
2216 | duration = 10; | |
2217 | ||
2218 | ret = drv_remain_on_channel(local, channel, channel_type, duration); | |
21f83589 | 2219 | if (ret) { |
2eb278e0 JB |
2220 | kfree(roc); |
2221 | return ret; | |
21f83589 JB |
2222 | } |
2223 | ||
2eb278e0 JB |
2224 | roc->started = true; |
2225 | goto out_queue; | |
2226 | ||
2227 | out_check_combine: | |
2228 | list_for_each_entry(tmp, &local->roc_list, list) { | |
2229 | if (tmp->chan != channel || tmp->chan_type != channel_type) | |
2230 | continue; | |
2231 | ||
2232 | /* | |
2233 | * Extend this ROC if possible: | |
2234 | * | |
2235 | * If it hasn't started yet, just increase the duration | |
2236 | * and add the new one to the list of dependents. | |
2237 | */ | |
2238 | if (!tmp->started) { | |
2239 | list_add_tail(&roc->list, &tmp->dependents); | |
2240 | tmp->duration = max(tmp->duration, roc->duration); | |
2241 | queued = true; | |
2242 | break; | |
2243 | } | |
2244 | ||
2245 | /* If it has already started, it's more difficult ... */ | |
2246 | if (local->ops->remain_on_channel) { | |
2247 | unsigned long j = jiffies; | |
2248 | ||
2249 | /* | |
2250 | * In the offloaded ROC case, if it hasn't begun, add | |
2251 | * this new one to the dependent list to be handled | |
2252 | * when the the master one begins. If it has begun, | |
2253 | * check that there's still a minimum time left and | |
2254 | * if so, start this one, transmitting the frame, but | |
2255 | * add it to the list directly after this one with a | |
2256 | * a reduced time so we'll ask the driver to execute | |
2257 | * it right after finishing the previous one, in the | |
2258 | * hope that it'll also be executed right afterwards, | |
2259 | * effectively extending the old one. | |
2260 | * If there's no minimum time left, just add it to the | |
2261 | * normal list. | |
2262 | */ | |
2263 | if (!tmp->hw_begun) { | |
2264 | list_add_tail(&roc->list, &tmp->dependents); | |
2265 | queued = true; | |
2266 | break; | |
2267 | } | |
2268 | ||
2269 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2270 | tmp->hw_start_time + | |
2271 | msecs_to_jiffies(tmp->duration))) { | |
2272 | int new_dur; | |
2273 | ||
2274 | ieee80211_handle_roc_started(roc); | |
2275 | ||
2276 | new_dur = roc->duration - | |
2277 | jiffies_to_msecs(tmp->hw_start_time + | |
2278 | msecs_to_jiffies( | |
2279 | tmp->duration) - | |
2280 | j); | |
2281 | ||
2282 | if (new_dur > 0) { | |
2283 | /* add right after tmp */ | |
2284 | list_add(&roc->list, &tmp->list); | |
2285 | } else { | |
2286 | list_add_tail(&roc->list, | |
2287 | &tmp->dependents); | |
2288 | } | |
2289 | queued = true; | |
2290 | } | |
2291 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2292 | unsigned long new_end; | |
2293 | ||
2294 | /* | |
2295 | * In the software ROC case, cancel the timer, if | |
2296 | * that fails then the finish work is already | |
2297 | * queued/pending and thus we queue the new ROC | |
2298 | * normally, if that succeeds then we can extend | |
2299 | * the timer duration and TX the frame (if any.) | |
2300 | */ | |
2301 | ||
2302 | list_add_tail(&roc->list, &tmp->dependents); | |
2303 | queued = true; | |
2304 | ||
2305 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2306 | ||
2307 | /* ok, it was started & we canceled timer */ | |
2308 | if (time_after(new_end, tmp->work.timer.expires)) | |
2309 | mod_timer(&tmp->work.timer, new_end); | |
2310 | else | |
2311 | add_timer(&tmp->work.timer); | |
2312 | ||
2313 | ieee80211_handle_roc_started(roc); | |
2314 | } | |
2315 | break; | |
2316 | } | |
2317 | ||
2318 | out_queue: | |
2319 | if (!queued) | |
2320 | list_add_tail(&roc->list, &local->roc_list); | |
2321 | ||
2322 | /* | |
2323 | * cookie is either the roc (for normal roc) | |
2324 | * or the SKB (for mgmt TX) | |
2325 | */ | |
2326 | if (txskb) | |
2327 | *cookie = (unsigned long)txskb; | |
2328 | else | |
2329 | *cookie = (unsigned long)roc; | |
2330 | ||
2331 | return 0; | |
21f83589 JB |
2332 | } |
2333 | ||
b8bc4b0a | 2334 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2335 | struct wireless_dev *wdev, |
b8bc4b0a JB |
2336 | struct ieee80211_channel *chan, |
2337 | enum nl80211_channel_type channel_type, | |
2338 | unsigned int duration, | |
2339 | u64 *cookie) | |
2340 | { | |
71bbc994 | 2341 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2342 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2343 | int ret; |
21f83589 | 2344 | |
2eb278e0 JB |
2345 | mutex_lock(&local->mtx); |
2346 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2347 | duration, cookie, NULL); | |
2348 | mutex_unlock(&local->mtx); | |
b8bc4b0a | 2349 | |
2eb278e0 | 2350 | return ret; |
b8bc4b0a JB |
2351 | } |
2352 | ||
2eb278e0 JB |
2353 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2354 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2355 | { |
2eb278e0 | 2356 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2357 | int ret; |
2358 | ||
2eb278e0 JB |
2359 | mutex_lock(&local->mtx); |
2360 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2361 | struct ieee80211_roc_work *dep, *tmp2; |
2362 | ||
2363 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
2364 | if (!mgmt_tx && (unsigned long)dep != cookie) | |
2365 | continue; | |
2366 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2367 | continue; | |
2368 | /* found dependent item -- just remove it */ | |
2369 | list_del(&dep->list); | |
2370 | mutex_unlock(&local->mtx); | |
2371 | ||
2372 | ieee80211_roc_notify_destroy(dep); | |
2373 | return 0; | |
2374 | } | |
2375 | ||
2eb278e0 JB |
2376 | if (!mgmt_tx && (unsigned long)roc != cookie) |
2377 | continue; | |
2378 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2379 | continue; | |
21f83589 | 2380 | |
2eb278e0 JB |
2381 | found = roc; |
2382 | break; | |
2383 | } | |
21f83589 | 2384 | |
2eb278e0 JB |
2385 | if (!found) { |
2386 | mutex_unlock(&local->mtx); | |
2387 | return -ENOENT; | |
2388 | } | |
21f83589 | 2389 | |
e979e33c JB |
2390 | /* |
2391 | * We found the item to cancel, so do that. Note that it | |
2392 | * may have dependents, which we also cancel (and send | |
2393 | * the expired signal for.) Not doing so would be quite | |
2394 | * tricky here, but we may need to fix it later. | |
2395 | */ | |
2396 | ||
2eb278e0 JB |
2397 | if (local->ops->remain_on_channel) { |
2398 | if (found->started) { | |
2399 | ret = drv_cancel_remain_on_channel(local); | |
2400 | if (WARN_ON_ONCE(ret)) { | |
2401 | mutex_unlock(&local->mtx); | |
2402 | return ret; | |
2403 | } | |
2404 | } | |
21f83589 | 2405 | |
2eb278e0 | 2406 | list_del(&found->list); |
21f83589 | 2407 | |
0f6b3f59 JB |
2408 | if (found->started) |
2409 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2410 | mutex_unlock(&local->mtx); |
21f83589 | 2411 | |
2eb278e0 JB |
2412 | ieee80211_roc_notify_destroy(found); |
2413 | } else { | |
2414 | /* work may be pending so use it all the time */ | |
2415 | found->abort = true; | |
2416 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2417 | |
21f83589 JB |
2418 | mutex_unlock(&local->mtx); |
2419 | ||
2eb278e0 JB |
2420 | /* work will clean up etc */ |
2421 | flush_delayed_work(&found->work); | |
21f83589 | 2422 | } |
b8bc4b0a | 2423 | |
2eb278e0 | 2424 | return 0; |
b8bc4b0a JB |
2425 | } |
2426 | ||
2eb278e0 | 2427 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2428 | struct wireless_dev *wdev, |
2eb278e0 | 2429 | u64 cookie) |
f30221e4 | 2430 | { |
71bbc994 | 2431 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2432 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2433 | |
2eb278e0 | 2434 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2435 | } |
2436 | ||
71bbc994 | 2437 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2438 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 2439 | enum nl80211_channel_type channel_type, |
f7ca38df | 2440 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 2441 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 2442 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 2443 | { |
71bbc994 | 2444 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2445 | struct ieee80211_local *local = sdata->local; |
2446 | struct sk_buff *skb; | |
2447 | struct sta_info *sta; | |
2448 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2449 | bool need_offchan = false; |
e247bd90 | 2450 | u32 flags; |
2eb278e0 | 2451 | int ret; |
f7ca38df | 2452 | |
e247bd90 JB |
2453 | if (dont_wait_for_ack) |
2454 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2455 | else | |
2456 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2457 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2458 | ||
aad14ceb RM |
2459 | if (no_cck) |
2460 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2461 | ||
9d38d85d JB |
2462 | switch (sdata->vif.type) { |
2463 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2464 | if (!sdata->vif.bss_conf.ibss_joined) |
2465 | need_offchan = true; | |
2466 | /* fall through */ | |
2467 | #ifdef CONFIG_MAC80211_MESH | |
2468 | case NL80211_IFTYPE_MESH_POINT: | |
2469 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2470 | !sdata->u.mesh.mesh_id_len) | |
2471 | need_offchan = true; | |
2472 | /* fall through */ | |
2473 | #endif | |
663fcafd JB |
2474 | case NL80211_IFTYPE_AP: |
2475 | case NL80211_IFTYPE_AP_VLAN: | |
2476 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2477 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2478 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2479 | !rcu_access_pointer(sdata->bss->beacon)) | |
2480 | need_offchan = true; | |
663fcafd JB |
2481 | if (!ieee80211_is_action(mgmt->frame_control) || |
2482 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2483 | break; |
2484 | rcu_read_lock(); | |
2485 | sta = sta_info_get(sdata, mgmt->da); | |
2486 | rcu_read_unlock(); | |
2487 | if (!sta) | |
2488 | return -ENOLINK; | |
2489 | break; | |
2490 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2491 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2492 | if (!sdata->u.mgd.associated) |
2493 | need_offchan = true; | |
9d38d85d | 2494 | break; |
f142c6b9 JB |
2495 | case NL80211_IFTYPE_P2P_DEVICE: |
2496 | need_offchan = true; | |
2497 | break; | |
9d38d85d JB |
2498 | default: |
2499 | return -EOPNOTSUPP; | |
2500 | } | |
2501 | ||
2eb278e0 JB |
2502 | mutex_lock(&local->mtx); |
2503 | ||
2504 | /* Check if the operating channel is the requested channel */ | |
2505 | if (!need_offchan) { | |
55de908a JB |
2506 | struct ieee80211_chanctx_conf *chanctx_conf; |
2507 | ||
2508 | rcu_read_lock(); | |
2509 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
2510 | ||
2511 | if (chanctx_conf) { | |
2512 | need_offchan = chan != chanctx_conf->channel; | |
2513 | if (channel_type_valid && | |
2514 | channel_type != chanctx_conf->channel_type) | |
2515 | need_offchan = true; | |
2516 | } else { | |
2eb278e0 | 2517 | need_offchan = true; |
55de908a JB |
2518 | } |
2519 | rcu_read_unlock(); | |
2eb278e0 JB |
2520 | } |
2521 | ||
2522 | if (need_offchan && !offchan) { | |
2523 | ret = -EBUSY; | |
2524 | goto out_unlock; | |
2525 | } | |
2526 | ||
9d38d85d | 2527 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2528 | if (!skb) { |
2529 | ret = -ENOMEM; | |
2530 | goto out_unlock; | |
2531 | } | |
9d38d85d JB |
2532 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2533 | ||
2534 | memcpy(skb_put(skb, len), buf, len); | |
2535 | ||
2536 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2537 | ||
2538 | skb->dev = sdata->dev; | |
9d38d85d | 2539 | |
2eb278e0 | 2540 | if (!need_offchan) { |
7f9f78ab | 2541 | *cookie = (unsigned long) skb; |
f30221e4 | 2542 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2543 | ret = 0; |
2544 | goto out_unlock; | |
f30221e4 JB |
2545 | } |
2546 | ||
2eb278e0 JB |
2547 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; |
2548 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) | |
2549 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2550 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2551 | |
2eb278e0 JB |
2552 | /* This will handle all kinds of coalescing and immediate TX */ |
2553 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2554 | wait, cookie, skb); | |
2555 | if (ret) | |
2556 | kfree_skb(skb); | |
2557 | out_unlock: | |
2558 | mutex_unlock(&local->mtx); | |
2559 | return ret; | |
026331c4 JM |
2560 | } |
2561 | ||
f30221e4 | 2562 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2563 | struct wireless_dev *wdev, |
f30221e4 JB |
2564 | u64 cookie) |
2565 | { | |
71bbc994 | 2566 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2567 | |
2eb278e0 | 2568 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2569 | } |
2570 | ||
7be5086d | 2571 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2572 | struct wireless_dev *wdev, |
7be5086d JB |
2573 | u16 frame_type, bool reg) |
2574 | { | |
2575 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2576 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2577 | |
6abe0563 WH |
2578 | switch (frame_type) { |
2579 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2580 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2581 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2582 | |
6abe0563 WH |
2583 | if (reg) |
2584 | ifibss->auth_frame_registrations++; | |
2585 | else | |
2586 | ifibss->auth_frame_registrations--; | |
2587 | } | |
2588 | break; | |
2589 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2590 | if (reg) | |
2591 | local->probe_req_reg++; | |
2592 | else | |
2593 | local->probe_req_reg--; | |
7be5086d | 2594 | |
6abe0563 WH |
2595 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2596 | break; | |
2597 | default: | |
2598 | break; | |
2599 | } | |
7be5086d JB |
2600 | } |
2601 | ||
15d96753 BR |
2602 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2603 | { | |
2604 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2605 | ||
2606 | if (local->started) | |
2607 | return -EOPNOTSUPP; | |
2608 | ||
2609 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2610 | } | |
2611 | ||
2612 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2613 | { | |
2614 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2615 | ||
2616 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2617 | } | |
2618 | ||
38c09159 JL |
2619 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2620 | { | |
2621 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2622 | ||
2623 | return drv_set_ringparam(local, tx, rx); | |
2624 | } | |
2625 | ||
2626 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2627 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2628 | { | |
2629 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2630 | ||
2631 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2632 | } | |
2633 | ||
c68f4b89 JB |
2634 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2635 | struct net_device *dev, | |
2636 | struct cfg80211_gtk_rekey_data *data) | |
2637 | { | |
2638 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2639 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2640 | ||
2641 | if (!local->ops->set_rekey_data) | |
2642 | return -EOPNOTSUPP; | |
2643 | ||
2644 | drv_set_rekey_data(local, sdata, data); | |
2645 | ||
2646 | return 0; | |
2647 | } | |
2648 | ||
dfe018bf AN |
2649 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2650 | { | |
2651 | u8 *pos = (void *)skb_put(skb, 7); | |
2652 | ||
2653 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2654 | *pos++ = 5; /* len */ | |
2655 | *pos++ = 0x0; | |
2656 | *pos++ = 0x0; | |
2657 | *pos++ = 0x0; | |
2658 | *pos++ = 0x0; | |
2659 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2660 | } | |
2661 | ||
2662 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2663 | { | |
2664 | struct ieee80211_local *local = sdata->local; | |
2665 | u16 capab; | |
2666 | ||
2667 | capab = 0; | |
55de908a | 2668 | if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) |
dfe018bf AN |
2669 | return capab; |
2670 | ||
2671 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2672 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2673 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2674 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2675 | ||
2676 | return capab; | |
2677 | } | |
2678 | ||
2679 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2680 | u8 *peer, u8 *bssid) | |
2681 | { | |
2682 | struct ieee80211_tdls_lnkie *lnkid; | |
2683 | ||
2684 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2685 | ||
2686 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2687 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2688 | ||
2689 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2690 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2691 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2692 | } | |
2693 | ||
2694 | static int | |
2695 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2696 | u8 *peer, u8 action_code, u8 dialog_token, | |
2697 | u16 status_code, struct sk_buff *skb) | |
2698 | { | |
2699 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 2700 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
2701 | struct ieee80211_tdls_data *tf; |
2702 | ||
2703 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2704 | ||
2705 | memcpy(tf->da, peer, ETH_ALEN); | |
2706 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2707 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2708 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2709 | ||
2710 | switch (action_code) { | |
2711 | case WLAN_TDLS_SETUP_REQUEST: | |
2712 | tf->category = WLAN_CATEGORY_TDLS; | |
2713 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2714 | ||
2715 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2716 | tf->u.setup_req.dialog_token = dialog_token; | |
2717 | tf->u.setup_req.capability = | |
2718 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2719 | ||
55de908a JB |
2720 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2721 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2722 | ieee80211_tdls_add_ext_capab(skb); |
2723 | break; | |
2724 | case WLAN_TDLS_SETUP_RESPONSE: | |
2725 | tf->category = WLAN_CATEGORY_TDLS; | |
2726 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2727 | ||
2728 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2729 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2730 | tf->u.setup_resp.dialog_token = dialog_token; | |
2731 | tf->u.setup_resp.capability = | |
2732 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2733 | ||
55de908a JB |
2734 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2735 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2736 | ieee80211_tdls_add_ext_capab(skb); |
2737 | break; | |
2738 | case WLAN_TDLS_SETUP_CONFIRM: | |
2739 | tf->category = WLAN_CATEGORY_TDLS; | |
2740 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2741 | ||
2742 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2743 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2744 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2745 | break; | |
2746 | case WLAN_TDLS_TEARDOWN: | |
2747 | tf->category = WLAN_CATEGORY_TDLS; | |
2748 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2749 | ||
2750 | skb_put(skb, sizeof(tf->u.teardown)); | |
2751 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2752 | break; | |
2753 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2754 | tf->category = WLAN_CATEGORY_TDLS; | |
2755 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2756 | ||
2757 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2758 | tf->u.discover_req.dialog_token = dialog_token; | |
2759 | break; | |
2760 | default: | |
2761 | return -EINVAL; | |
2762 | } | |
2763 | ||
2764 | return 0; | |
2765 | } | |
2766 | ||
2767 | static int | |
2768 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2769 | u8 *peer, u8 action_code, u8 dialog_token, | |
2770 | u16 status_code, struct sk_buff *skb) | |
2771 | { | |
2772 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55de908a | 2773 | enum ieee80211_band band = ieee80211_get_sdata_band(sdata); |
dfe018bf AN |
2774 | struct ieee80211_mgmt *mgmt; |
2775 | ||
2776 | mgmt = (void *)skb_put(skb, 24); | |
2777 | memset(mgmt, 0, 24); | |
2778 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2779 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2780 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2781 | ||
2782 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2783 | IEEE80211_STYPE_ACTION); | |
2784 | ||
2785 | switch (action_code) { | |
2786 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2787 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2788 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2789 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2790 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2791 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2792 | dialog_token; | |
2793 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2794 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2795 | ||
55de908a JB |
2796 | ieee80211_add_srates_ie(sdata, skb, false, band); |
2797 | ieee80211_add_ext_srates_ie(sdata, skb, false, band); | |
dfe018bf AN |
2798 | ieee80211_tdls_add_ext_capab(skb); |
2799 | break; | |
2800 | default: | |
2801 | return -EINVAL; | |
2802 | } | |
2803 | ||
2804 | return 0; | |
2805 | } | |
2806 | ||
2807 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2808 | u8 *peer, u8 action_code, u8 dialog_token, | |
2809 | u16 status_code, const u8 *extra_ies, | |
2810 | size_t extra_ies_len) | |
2811 | { | |
2812 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2813 | struct ieee80211_local *local = sdata->local; | |
2814 | struct ieee80211_tx_info *info; | |
2815 | struct sk_buff *skb = NULL; | |
2816 | bool send_direct; | |
2817 | int ret; | |
2818 | ||
2819 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2820 | return -ENOTSUPP; | |
2821 | ||
2822 | /* make sure we are in managed mode, and associated */ | |
2823 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2824 | !sdata->u.mgd.associated) | |
2825 | return -EINVAL; | |
2826 | ||
bdcbd8e0 JB |
2827 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
2828 | action_code, peer); | |
dfe018bf AN |
2829 | |
2830 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2831 | max(sizeof(struct ieee80211_mgmt), | |
2832 | sizeof(struct ieee80211_tdls_data)) + | |
2833 | 50 + /* supported rates */ | |
2834 | 7 + /* ext capab */ | |
2835 | extra_ies_len + | |
2836 | sizeof(struct ieee80211_tdls_lnkie)); | |
2837 | if (!skb) | |
2838 | return -ENOMEM; | |
2839 | ||
2840 | info = IEEE80211_SKB_CB(skb); | |
2841 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2842 | ||
2843 | switch (action_code) { | |
2844 | case WLAN_TDLS_SETUP_REQUEST: | |
2845 | case WLAN_TDLS_SETUP_RESPONSE: | |
2846 | case WLAN_TDLS_SETUP_CONFIRM: | |
2847 | case WLAN_TDLS_TEARDOWN: | |
2848 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2849 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2850 | action_code, dialog_token, | |
2851 | status_code, skb); | |
2852 | send_direct = false; | |
2853 | break; | |
2854 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2855 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2856 | dialog_token, status_code, | |
2857 | skb); | |
2858 | send_direct = true; | |
2859 | break; | |
2860 | default: | |
2861 | ret = -ENOTSUPP; | |
2862 | break; | |
2863 | } | |
2864 | ||
2865 | if (ret < 0) | |
2866 | goto fail; | |
2867 | ||
2868 | if (extra_ies_len) | |
2869 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2870 | ||
2871 | /* the TDLS link IE is always added last */ | |
2872 | switch (action_code) { | |
2873 | case WLAN_TDLS_SETUP_REQUEST: | |
2874 | case WLAN_TDLS_SETUP_CONFIRM: | |
2875 | case WLAN_TDLS_TEARDOWN: | |
2876 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2877 | /* we are the initiator */ | |
2878 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2879 | sdata->u.mgd.bssid); | |
2880 | break; | |
2881 | case WLAN_TDLS_SETUP_RESPONSE: | |
2882 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2883 | /* we are the responder */ | |
2884 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2885 | sdata->u.mgd.bssid); | |
2886 | break; | |
2887 | default: | |
2888 | ret = -ENOTSUPP; | |
2889 | goto fail; | |
2890 | } | |
2891 | ||
2892 | if (send_direct) { | |
2893 | ieee80211_tx_skb(sdata, skb); | |
2894 | return 0; | |
2895 | } | |
2896 | ||
2897 | /* | |
2898 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2899 | * we should default to AC_VI. | |
2900 | */ | |
2901 | switch (action_code) { | |
2902 | case WLAN_TDLS_SETUP_REQUEST: | |
2903 | case WLAN_TDLS_SETUP_RESPONSE: | |
2904 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2905 | skb->priority = 2; | |
2906 | break; | |
2907 | default: | |
2908 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2909 | skb->priority = 5; | |
2910 | break; | |
2911 | } | |
2912 | ||
2913 | /* disable bottom halves when entering the Tx path */ | |
2914 | local_bh_disable(); | |
2915 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2916 | local_bh_enable(); | |
2917 | ||
2918 | return ret; | |
2919 | ||
2920 | fail: | |
2921 | dev_kfree_skb(skb); | |
2922 | return ret; | |
2923 | } | |
2924 | ||
2925 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2926 | u8 *peer, enum nl80211_tdls_operation oper) | |
2927 | { | |
941c93cd | 2928 | struct sta_info *sta; |
dfe018bf AN |
2929 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2930 | ||
2931 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2932 | return -ENOTSUPP; | |
2933 | ||
2934 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2935 | return -EINVAL; | |
2936 | ||
bdcbd8e0 | 2937 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
2938 | |
2939 | switch (oper) { | |
2940 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2941 | rcu_read_lock(); |
2942 | sta = sta_info_get(sdata, peer); | |
2943 | if (!sta) { | |
2944 | rcu_read_unlock(); | |
2945 | return -ENOLINK; | |
2946 | } | |
2947 | ||
c2c98fde | 2948 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2949 | rcu_read_unlock(); |
dfe018bf AN |
2950 | break; |
2951 | case NL80211_TDLS_DISABLE_LINK: | |
2952 | return sta_info_destroy_addr(sdata, peer); | |
2953 | case NL80211_TDLS_TEARDOWN: | |
2954 | case NL80211_TDLS_SETUP: | |
2955 | case NL80211_TDLS_DISCOVERY_REQ: | |
2956 | /* We don't support in-driver setup/teardown/discovery */ | |
2957 | return -ENOTSUPP; | |
2958 | default: | |
2959 | return -ENOTSUPP; | |
2960 | } | |
2961 | ||
2962 | return 0; | |
2963 | } | |
2964 | ||
06500736 JB |
2965 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
2966 | const u8 *peer, u64 *cookie) | |
2967 | { | |
2968 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2969 | struct ieee80211_local *local = sdata->local; | |
2970 | struct ieee80211_qos_hdr *nullfunc; | |
2971 | struct sk_buff *skb; | |
2972 | int size = sizeof(*nullfunc); | |
2973 | __le16 fc; | |
2974 | bool qos; | |
2975 | struct ieee80211_tx_info *info; | |
2976 | struct sta_info *sta; | |
55de908a JB |
2977 | struct ieee80211_chanctx_conf *chanctx_conf; |
2978 | enum ieee80211_band band; | |
06500736 JB |
2979 | |
2980 | rcu_read_lock(); | |
55de908a JB |
2981 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); |
2982 | if (WARN_ON(!chanctx_conf)) { | |
2983 | rcu_read_unlock(); | |
2984 | return -EINVAL; | |
2985 | } | |
2986 | band = chanctx_conf->channel->band; | |
06500736 | 2987 | sta = sta_info_get(sdata, peer); |
b4487c2d | 2988 | if (sta) { |
06500736 | 2989 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
2990 | } else { |
2991 | rcu_read_unlock(); | |
06500736 | 2992 | return -ENOLINK; |
b4487c2d | 2993 | } |
06500736 JB |
2994 | |
2995 | if (qos) { | |
2996 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2997 | IEEE80211_STYPE_QOS_NULLFUNC | | |
2998 | IEEE80211_FCTL_FROMDS); | |
2999 | } else { | |
3000 | size -= 2; | |
3001 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
3002 | IEEE80211_STYPE_NULLFUNC | | |
3003 | IEEE80211_FCTL_FROMDS); | |
3004 | } | |
3005 | ||
3006 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
55de908a JB |
3007 | if (!skb) { |
3008 | rcu_read_unlock(); | |
06500736 | 3009 | return -ENOMEM; |
55de908a | 3010 | } |
06500736 JB |
3011 | |
3012 | skb->dev = dev; | |
3013 | ||
3014 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
3015 | ||
3016 | nullfunc = (void *) skb_put(skb, size); | |
3017 | nullfunc->frame_control = fc; | |
3018 | nullfunc->duration_id = 0; | |
3019 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
3020 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
3021 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
3022 | nullfunc->seq_ctrl = 0; | |
3023 | ||
3024 | info = IEEE80211_SKB_CB(skb); | |
3025 | ||
3026 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
3027 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
3028 | ||
3029 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
3030 | skb->priority = 7; | |
3031 | if (qos) | |
3032 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3033 | ||
3034 | local_bh_disable(); | |
55de908a | 3035 | ieee80211_xmit(sdata, skb, band); |
06500736 | 3036 | local_bh_enable(); |
55de908a | 3037 | rcu_read_unlock(); |
06500736 JB |
3038 | |
3039 | *cookie = (unsigned long) skb; | |
3040 | return 0; | |
3041 | } | |
3042 | ||
5b7ccaf3 JB |
3043 | static struct ieee80211_channel * |
3044 | ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, | |
3045 | enum nl80211_channel_type *type) | |
3046 | { | |
55de908a JB |
3047 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
3048 | struct ieee80211_chanctx_conf *chanctx_conf; | |
3049 | struct ieee80211_channel *chan = NULL; | |
3050 | ||
3051 | rcu_read_lock(); | |
3052 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
3053 | if (chanctx_conf) { | |
3054 | *type = chanctx_conf->channel_type; | |
3055 | chan = chanctx_conf->channel; | |
3056 | } | |
3057 | rcu_read_unlock(); | |
5b7ccaf3 | 3058 | |
55de908a | 3059 | return chan; |
5b7ccaf3 JB |
3060 | } |
3061 | ||
6d52563f JB |
3062 | #ifdef CONFIG_PM |
3063 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3064 | { | |
3065 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3066 | } | |
3067 | #endif | |
3068 | ||
f0706e82 JB |
3069 | struct cfg80211_ops mac80211_config_ops = { |
3070 | .add_virtual_intf = ieee80211_add_iface, | |
3071 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3072 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3073 | .start_p2p_device = ieee80211_start_p2p_device, |
3074 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3075 | .add_key = ieee80211_add_key, |
3076 | .del_key = ieee80211_del_key, | |
62da92fb | 3077 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3078 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3079 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3080 | .start_ap = ieee80211_start_ap, |
3081 | .change_beacon = ieee80211_change_beacon, | |
3082 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3083 | .add_station = ieee80211_add_station, |
3084 | .del_station = ieee80211_del_station, | |
3085 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3086 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3087 | .dump_station = ieee80211_dump_station, |
1289723e | 3088 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3089 | #ifdef CONFIG_MAC80211_MESH |
3090 | .add_mpath = ieee80211_add_mpath, | |
3091 | .del_mpath = ieee80211_del_mpath, | |
3092 | .change_mpath = ieee80211_change_mpath, | |
3093 | .get_mpath = ieee80211_get_mpath, | |
3094 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3095 | .update_mesh_config = ieee80211_update_mesh_config, |
3096 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3097 | .join_mesh = ieee80211_join_mesh, |
3098 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3099 | #endif |
9f1ba906 | 3100 | .change_bss = ieee80211_change_bss, |
31888487 | 3101 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3102 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3103 | .suspend = ieee80211_suspend, |
3104 | .resume = ieee80211_resume, | |
2a519311 | 3105 | .scan = ieee80211_scan, |
79f460ca LC |
3106 | .sched_scan_start = ieee80211_sched_scan_start, |
3107 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3108 | .auth = ieee80211_auth, |
3109 | .assoc = ieee80211_assoc, | |
3110 | .deauth = ieee80211_deauth, | |
3111 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3112 | .join_ibss = ieee80211_join_ibss, |
3113 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 3114 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3115 | .set_tx_power = ieee80211_set_tx_power, |
3116 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3117 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3118 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3119 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3120 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3121 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3122 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3123 | .remain_on_channel = ieee80211_remain_on_channel, |
3124 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3125 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3126 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3127 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3128 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3129 | .set_antenna = ieee80211_set_antenna, |
3130 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3131 | .set_ringparam = ieee80211_set_ringparam, |
3132 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3133 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3134 | .tdls_oper = ieee80211_tdls_oper, |
3135 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3136 | .probe_client = ieee80211_probe_client, |
b53be792 | 3137 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3138 | #ifdef CONFIG_PM |
3139 | .set_wakeup = ieee80211_set_wakeup, | |
3140 | #endif | |
b1ab7925 BG |
3141 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3142 | .get_et_stats = ieee80211_get_et_stats, | |
3143 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3144 | .get_channel = ieee80211_cfg_get_channel, |
f0706e82 | 3145 | }; |