]>
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 | |
f9e10ce4 JB |
23 | static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
24 | enum nl80211_iftype type, | |
25 | u32 *flags, | |
26 | struct vif_params *params) | |
f0706e82 JB |
27 | { |
28 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
29 | struct net_device *dev; |
30 | struct ieee80211_sub_if_data *sdata; | |
31 | int err; | |
f0706e82 | 32 | |
05c914fe | 33 | err = ieee80211_if_add(local, name, &dev, type, params); |
f9e10ce4 JB |
34 | if (err) |
35 | return ERR_PTR(err); | |
8cc9a739 | 36 | |
f9e10ce4 JB |
37 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
38 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
39 | sdata->u.mntr_flags = *flags; | |
40 | } | |
41 | ||
42 | return dev; | |
f0706e82 JB |
43 | } |
44 | ||
463d0183 | 45 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 46 | { |
463d0183 | 47 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 48 | |
75636525 | 49 | return 0; |
f0706e82 JB |
50 | } |
51 | ||
e36d56b6 JB |
52 | static int ieee80211_change_iface(struct wiphy *wiphy, |
53 | struct net_device *dev, | |
2ec600d6 LCC |
54 | enum nl80211_iftype type, u32 *flags, |
55 | struct vif_params *params) | |
42613db7 | 56 | { |
9607e6b6 | 57 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 58 | int ret; |
42613db7 | 59 | |
05c914fe | 60 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
61 | if (ret) |
62 | return ret; | |
42613db7 | 63 | |
9bc383de JB |
64 | if (type == NL80211_IFTYPE_AP_VLAN && |
65 | params && params->use_4addr == 0) | |
a9b3cd7f | 66 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
67 | else if (type == NL80211_IFTYPE_STATION && |
68 | params && params->use_4addr >= 0) | |
69 | sdata->u.mgd.use_4addr = params->use_4addr; | |
70 | ||
85416a4f CL |
71 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
72 | struct ieee80211_local *local = sdata->local; | |
73 | ||
74 | if (ieee80211_sdata_running(sdata)) { | |
75 | /* | |
76 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
77 | * changed while the interface is up. | |
78 | * Else we would need to add a lot of cruft | |
79 | * to update everything: | |
80 | * cooked_mntrs, monitor and all fif_* counters | |
81 | * reconfigure hardware | |
82 | */ | |
83 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
84 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
85 | return -EBUSY; | |
86 | ||
87 | ieee80211_adjust_monitor_flags(sdata, -1); | |
88 | sdata->u.mntr_flags = *flags; | |
89 | ieee80211_adjust_monitor_flags(sdata, 1); | |
90 | ||
91 | ieee80211_configure_filter(local); | |
92 | } else { | |
93 | /* | |
94 | * Because the interface is down, ieee80211_do_stop | |
95 | * and ieee80211_do_open take care of "everything" | |
96 | * mentioned in the comment above. | |
97 | */ | |
98 | sdata->u.mntr_flags = *flags; | |
99 | } | |
100 | } | |
f7917af9 | 101 | |
42613db7 JB |
102 | return 0; |
103 | } | |
104 | ||
b53be792 SW |
105 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
106 | struct net_device *dev, | |
107 | u16 noack_map) | |
108 | { | |
109 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
110 | ||
111 | sdata->noack_map = noack_map; | |
112 | return 0; | |
113 | } | |
114 | ||
e8cbb4cb | 115 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 116 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
117 | struct key_params *params) |
118 | { | |
26a58456 | 119 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 120 | struct sta_info *sta = NULL; |
db4d1169 | 121 | struct ieee80211_key *key; |
3b96766f | 122 | int err; |
e8cbb4cb | 123 | |
26a58456 | 124 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
125 | return -ENETDOWN; |
126 | ||
97359d12 | 127 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
128 | switch (params->cipher) { |
129 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 130 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
131 | case WLAN_CIPHER_SUITE_WEP104: |
132 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
133 | return -EINVAL; | |
3cfcf6ac | 134 | break; |
e8cbb4cb | 135 | default: |
97359d12 | 136 | break; |
e8cbb4cb JB |
137 | } |
138 | ||
97359d12 JB |
139 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
140 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
141 | if (IS_ERR(key)) |
142 | return PTR_ERR(key); | |
db4d1169 | 143 | |
e31b8213 JB |
144 | if (pairwise) |
145 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
146 | ||
ad0e2b5a | 147 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 148 | |
e8cbb4cb | 149 | if (mac_addr) { |
ff973af7 TP |
150 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
151 | sta = sta_info_get(sdata, mac_addr); | |
152 | else | |
153 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 154 | if (!sta) { |
32162a4d | 155 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
156 | err = -ENOENT; |
157 | goto out_unlock; | |
db4d1169 | 158 | } |
e8cbb4cb JB |
159 | } |
160 | ||
3ffc2a90 JB |
161 | err = ieee80211_key_link(key, sdata, sta); |
162 | if (err) | |
163 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 164 | |
3b96766f | 165 | out_unlock: |
ad0e2b5a | 166 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
167 | |
168 | return err; | |
e8cbb4cb JB |
169 | } |
170 | ||
171 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 172 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 173 | { |
5c0c3641 JB |
174 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
175 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 176 | struct sta_info *sta; |
5c0c3641 | 177 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
178 | int ret; |
179 | ||
5c0c3641 JB |
180 | mutex_lock(&local->sta_mtx); |
181 | mutex_lock(&local->key_mtx); | |
3b96766f | 182 | |
e8cbb4cb | 183 | if (mac_addr) { |
3b96766f JB |
184 | ret = -ENOENT; |
185 | ||
0e5ded5a | 186 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 187 | if (!sta) |
3b96766f | 188 | goto out_unlock; |
e8cbb4cb | 189 | |
5c0c3641 | 190 | if (pairwise) |
40b275b6 | 191 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 192 | else |
40b275b6 | 193 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 194 | } else |
40b275b6 | 195 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 196 | |
5c0c3641 | 197 | if (!key) { |
3b96766f JB |
198 | ret = -ENOENT; |
199 | goto out_unlock; | |
200 | } | |
e8cbb4cb | 201 | |
5c0c3641 | 202 | __ieee80211_key_free(key); |
e8cbb4cb | 203 | |
3b96766f JB |
204 | ret = 0; |
205 | out_unlock: | |
5c0c3641 JB |
206 | mutex_unlock(&local->key_mtx); |
207 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
208 | |
209 | return ret; | |
e8cbb4cb JB |
210 | } |
211 | ||
62da92fb | 212 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
213 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
214 | void *cookie, | |
62da92fb JB |
215 | void (*callback)(void *cookie, |
216 | struct key_params *params)) | |
217 | { | |
14db74bc | 218 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
219 | struct sta_info *sta = NULL; |
220 | u8 seq[6] = {0}; | |
221 | struct key_params params; | |
e31b8213 | 222 | struct ieee80211_key *key = NULL; |
aba83a0b | 223 | u64 pn64; |
62da92fb JB |
224 | u32 iv32; |
225 | u16 iv16; | |
226 | int err = -ENOENT; | |
227 | ||
14db74bc JB |
228 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
229 | ||
3b96766f JB |
230 | rcu_read_lock(); |
231 | ||
62da92fb | 232 | if (mac_addr) { |
0e5ded5a | 233 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
234 | if (!sta) |
235 | goto out; | |
236 | ||
e31b8213 | 237 | if (pairwise) |
a3836e02 | 238 | key = rcu_dereference(sta->ptk); |
e31b8213 | 239 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 240 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 241 | } else |
a3836e02 | 242 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
243 | |
244 | if (!key) | |
245 | goto out; | |
246 | ||
247 | memset(¶ms, 0, sizeof(params)); | |
248 | ||
97359d12 | 249 | params.cipher = key->conf.cipher; |
62da92fb | 250 | |
97359d12 JB |
251 | switch (key->conf.cipher) { |
252 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
253 | iv32 = key->u.tkip.tx.iv32; |
254 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 255 | |
24487981 JB |
256 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
257 | drv_get_tkip_seq(sdata->local, | |
258 | key->conf.hw_key_idx, | |
259 | &iv32, &iv16); | |
62da92fb JB |
260 | |
261 | seq[0] = iv16 & 0xff; | |
262 | seq[1] = (iv16 >> 8) & 0xff; | |
263 | seq[2] = iv32 & 0xff; | |
264 | seq[3] = (iv32 >> 8) & 0xff; | |
265 | seq[4] = (iv32 >> 16) & 0xff; | |
266 | seq[5] = (iv32 >> 24) & 0xff; | |
267 | params.seq = seq; | |
268 | params.seq_len = 6; | |
269 | break; | |
97359d12 | 270 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
271 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
272 | seq[0] = pn64; | |
273 | seq[1] = pn64 >> 8; | |
274 | seq[2] = pn64 >> 16; | |
275 | seq[3] = pn64 >> 24; | |
276 | seq[4] = pn64 >> 32; | |
277 | seq[5] = pn64 >> 40; | |
62da92fb JB |
278 | params.seq = seq; |
279 | params.seq_len = 6; | |
280 | break; | |
97359d12 | 281 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
282 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
283 | seq[0] = pn64; | |
284 | seq[1] = pn64 >> 8; | |
285 | seq[2] = pn64 >> 16; | |
286 | seq[3] = pn64 >> 24; | |
287 | seq[4] = pn64 >> 32; | |
288 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
289 | params.seq = seq; |
290 | params.seq_len = 6; | |
291 | break; | |
62da92fb JB |
292 | } |
293 | ||
294 | params.key = key->conf.key; | |
295 | params.key_len = key->conf.keylen; | |
296 | ||
297 | callback(cookie, ¶ms); | |
298 | err = 0; | |
299 | ||
300 | out: | |
3b96766f | 301 | rcu_read_unlock(); |
62da92fb JB |
302 | return err; |
303 | } | |
304 | ||
e8cbb4cb JB |
305 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
306 | struct net_device *dev, | |
dbd2fd65 JB |
307 | u8 key_idx, bool uni, |
308 | bool multi) | |
e8cbb4cb | 309 | { |
ad0e2b5a | 310 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 311 | |
f7e0104c | 312 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
313 | |
314 | return 0; | |
315 | } | |
316 | ||
3cfcf6ac JM |
317 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
318 | struct net_device *dev, | |
319 | u8 key_idx) | |
320 | { | |
66c52421 | 321 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 322 | |
3cfcf6ac JM |
323 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
324 | ||
3cfcf6ac JM |
325 | return 0; |
326 | } | |
327 | ||
3af6334c FF |
328 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
329 | { | |
330 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
331 | struct ieee80211_supported_band *sband; | |
332 | sband = sta->local->hw.wiphy->bands[ | |
333 | sta->local->hw.conf.channel->band]; | |
334 | rate->legacy = sband->bitrates[idx].bitrate; | |
335 | } else | |
336 | rate->mcs = idx; | |
337 | } | |
338 | ||
c5dd9c2b LCC |
339 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
340 | { | |
d0709a65 | 341 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
ebe27c91 | 342 | struct timespec uptime; |
c5dd9c2b | 343 | |
f5ea9120 JB |
344 | sinfo->generation = sdata->local->sta_generation; |
345 | ||
c5dd9c2b LCC |
346 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
347 | STATION_INFO_RX_BYTES | | |
420e7fab | 348 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
349 | STATION_INFO_RX_PACKETS | |
350 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
351 | STATION_INFO_TX_RETRIES | |
352 | STATION_INFO_TX_FAILED | | |
5a5c731a | 353 | STATION_INFO_TX_BITRATE | |
3af6334c | 354 | STATION_INFO_RX_BITRATE | |
f4263c98 | 355 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 356 | STATION_INFO_BSS_PARAM | |
7a724767 | 357 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
358 | STATION_INFO_STA_FLAGS | |
359 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
360 | |
361 | do_posix_clock_monotonic_gettime(&uptime); | |
362 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
363 | |
364 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
365 | sinfo->rx_bytes = sta->rx_bytes; | |
366 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
367 | sinfo->rx_packets = sta->rx_packets; |
368 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
369 | sinfo->tx_retries = sta->tx_retry_count; |
370 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 371 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 372 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 373 | |
19deffbe JL |
374 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
375 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 376 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 377 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 378 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
379 | } |
380 | ||
381 | sinfo->txrate.flags = 0; | |
382 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
383 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
384 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
385 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
386 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
387 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
388 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
389 | ||
390 | sinfo->rxrate.flags = 0; | |
391 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
392 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
393 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
394 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
395 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
396 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
397 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 398 | |
902acc78 | 399 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 400 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
401 | sinfo->filled |= STATION_INFO_LLID | |
402 | STATION_INFO_PLID | | |
403 | STATION_INFO_PLINK_STATE; | |
404 | ||
405 | sinfo->llid = le16_to_cpu(sta->llid); | |
406 | sinfo->plid = le16_to_cpu(sta->plid); | |
407 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 408 | #endif |
902acc78 | 409 | } |
f4263c98 PS |
410 | |
411 | sinfo->bss_param.flags = 0; | |
412 | if (sdata->vif.bss_conf.use_cts_prot) | |
413 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
414 | if (sdata->vif.bss_conf.use_short_preamble) | |
415 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
416 | if (sdata->vif.bss_conf.use_short_slot) | |
417 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
418 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
419 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
420 | |
421 | sinfo->sta_flags.set = 0; | |
422 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
423 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
424 | BIT(NL80211_STA_FLAG_WME) | | |
425 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 HS |
426 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
427 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a724767 HS |
428 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
429 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
430 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
431 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
432 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
433 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
434 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
435 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
436 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
437 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
e4121562 HS |
438 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
439 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
440 | } |
441 | ||
442 | ||
443 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
444 | int idx, u8 *mac, struct station_info *sinfo) | |
445 | { | |
3b53fde8 | 446 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 447 | struct sta_info *sta; |
d0709a65 JB |
448 | int ret = -ENOENT; |
449 | ||
450 | rcu_read_lock(); | |
c5dd9c2b | 451 | |
3b53fde8 | 452 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
453 | if (sta) { |
454 | ret = 0; | |
17741cdc | 455 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
456 | sta_set_sinfo(sta, sinfo); |
457 | } | |
c5dd9c2b | 458 | |
d0709a65 | 459 | rcu_read_unlock(); |
c5dd9c2b | 460 | |
d0709a65 | 461 | return ret; |
c5dd9c2b LCC |
462 | } |
463 | ||
1289723e HS |
464 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
465 | int idx, struct survey_info *survey) | |
466 | { | |
467 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
468 | ||
1289723e HS |
469 | return drv_get_survey(local, idx, survey); |
470 | } | |
471 | ||
7bbdd2d9 | 472 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 473 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 474 | { |
abe60632 | 475 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 476 | struct sta_info *sta; |
d0709a65 | 477 | int ret = -ENOENT; |
7bbdd2d9 | 478 | |
d0709a65 | 479 | rcu_read_lock(); |
7bbdd2d9 | 480 | |
0e5ded5a | 481 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
482 | if (sta) { |
483 | ret = 0; | |
484 | sta_set_sinfo(sta, sinfo); | |
485 | } | |
486 | ||
487 | rcu_read_unlock(); | |
488 | ||
489 | return ret; | |
7bbdd2d9 JB |
490 | } |
491 | ||
7827493b AN |
492 | static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, |
493 | struct beacon_parameters *params) | |
494 | { | |
495 | struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; | |
496 | ||
497 | bss_conf->ssid_len = params->ssid_len; | |
498 | ||
499 | if (params->ssid_len) | |
500 | memcpy(bss_conf->ssid, params->ssid, params->ssid_len); | |
501 | ||
502 | bss_conf->hidden_ssid = | |
503 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
504 | } | |
505 | ||
02945821 AN |
506 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
507 | u8 *resp, size_t resp_len) | |
508 | { | |
509 | struct sk_buff *new, *old; | |
510 | ||
511 | if (!resp || !resp_len) | |
512 | return -EINVAL; | |
513 | ||
f724828b | 514 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 AN |
515 | |
516 | new = dev_alloc_skb(resp_len); | |
517 | if (!new) | |
518 | return -ENOMEM; | |
519 | ||
520 | memcpy(skb_put(new, resp_len), resp, resp_len); | |
521 | ||
522 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
523 | synchronize_rcu(); | |
524 | ||
525 | if (old) | |
526 | dev_kfree_skb(old); | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
5dfdaf58 JB |
531 | /* |
532 | * This handles both adding a beacon and setting new beacon info | |
533 | */ | |
534 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
535 | struct beacon_parameters *params) | |
536 | { | |
537 | struct beacon_data *new, *old; | |
538 | int new_head_len, new_tail_len; | |
539 | int size; | |
540 | int err = -EINVAL; | |
02945821 | 541 | u32 changed = 0; |
5dfdaf58 | 542 | |
40b275b6 | 543 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
544 | |
545 | /* head must not be zero-length */ | |
546 | if (params->head && !params->head_len) | |
547 | return -EINVAL; | |
548 | ||
549 | /* | |
550 | * This is a kludge. beacon interval should really be part | |
551 | * of the beacon information. | |
552 | */ | |
57c4d7b4 JB |
553 | if (params->interval && |
554 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
555 | sdata->vif.bss_conf.beacon_int = params->interval; | |
556 | ieee80211_bss_info_change_notify(sdata, | |
557 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
558 | } |
559 | ||
560 | /* Need to have a beacon head if we don't have one yet */ | |
561 | if (!params->head && !old) | |
562 | return err; | |
563 | ||
564 | /* sorry, no way to start beaconing without dtim period */ | |
565 | if (!params->dtim_period && !old) | |
566 | return err; | |
567 | ||
568 | /* new or old head? */ | |
569 | if (params->head) | |
570 | new_head_len = params->head_len; | |
571 | else | |
572 | new_head_len = old->head_len; | |
573 | ||
574 | /* new or old tail? */ | |
575 | if (params->tail || !old) | |
576 | /* params->tail_len will be zero for !params->tail */ | |
577 | new_tail_len = params->tail_len; | |
578 | else | |
579 | new_tail_len = old->tail_len; | |
580 | ||
581 | size = sizeof(*new) + new_head_len + new_tail_len; | |
582 | ||
583 | new = kzalloc(size, GFP_KERNEL); | |
584 | if (!new) | |
585 | return -ENOMEM; | |
586 | ||
587 | /* start filling the new info now */ | |
588 | ||
589 | /* new or old dtim period? */ | |
590 | if (params->dtim_period) | |
591 | new->dtim_period = params->dtim_period; | |
592 | else | |
593 | new->dtim_period = old->dtim_period; | |
594 | ||
595 | /* | |
596 | * pointers go into the block we allocated, | |
597 | * memory is | beacon_data | head | tail | | |
598 | */ | |
599 | new->head = ((u8 *) new) + sizeof(*new); | |
600 | new->tail = new->head + new_head_len; | |
601 | new->head_len = new_head_len; | |
602 | new->tail_len = new_tail_len; | |
603 | ||
604 | /* copy in head */ | |
605 | if (params->head) | |
606 | memcpy(new->head, params->head, new_head_len); | |
607 | else | |
608 | memcpy(new->head, old->head, new_head_len); | |
609 | ||
610 | /* copy in optional tail */ | |
611 | if (params->tail) | |
612 | memcpy(new->tail, params->tail, new_tail_len); | |
613 | else | |
614 | if (old) | |
615 | memcpy(new->tail, old->tail, new_tail_len); | |
616 | ||
19885c4f JB |
617 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
618 | ||
a9b3cd7f | 619 | RCU_INIT_POINTER(sdata->u.ap.beacon, new); |
5dfdaf58 JB |
620 | |
621 | synchronize_rcu(); | |
622 | ||
623 | kfree(old); | |
624 | ||
02945821 AN |
625 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
626 | params->probe_resp_len); | |
627 | if (!err) | |
628 | changed |= BSS_CHANGED_AP_PROBE_RESP; | |
629 | ||
7827493b | 630 | ieee80211_config_ap_ssid(sdata, params); |
02945821 AN |
631 | changed |= BSS_CHANGED_BEACON_ENABLED | |
632 | BSS_CHANGED_BEACON | | |
633 | BSS_CHANGED_SSID; | |
7827493b | 634 | |
02945821 | 635 | ieee80211_bss_info_change_notify(sdata, changed); |
2d0ddec5 | 636 | return 0; |
5dfdaf58 JB |
637 | } |
638 | ||
639 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
640 | struct beacon_parameters *params) | |
641 | { | |
14db74bc | 642 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 643 | struct beacon_data *old; |
665c93a9 JB |
644 | struct ieee80211_sub_if_data *vlan; |
645 | int ret; | |
5dfdaf58 | 646 | |
14db74bc JB |
647 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
648 | ||
40b275b6 | 649 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
650 | if (old) |
651 | return -EALREADY; | |
652 | ||
665c93a9 JB |
653 | ret = ieee80211_config_beacon(sdata, params); |
654 | if (ret) | |
655 | return ret; | |
656 | ||
657 | /* | |
658 | * Apply control port protocol, this allows us to | |
659 | * not encrypt dynamic WEP control frames. | |
660 | */ | |
661 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
662 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
663 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
664 | vlan->control_port_protocol = | |
665 | params->crypto.control_port_ethertype; | |
666 | vlan->control_port_no_encrypt = | |
667 | params->crypto.control_port_no_encrypt; | |
668 | } | |
669 | ||
670 | return 0; | |
5dfdaf58 JB |
671 | } |
672 | ||
673 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
674 | struct beacon_parameters *params) | |
675 | { | |
14db74bc | 676 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
677 | struct beacon_data *old; |
678 | ||
14db74bc JB |
679 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
680 | ||
40b275b6 | 681 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
682 | if (!old) |
683 | return -ENOENT; | |
684 | ||
685 | return ieee80211_config_beacon(sdata, params); | |
686 | } | |
687 | ||
688 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
689 | { | |
14db74bc | 690 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
691 | struct beacon_data *old; |
692 | ||
14db74bc JB |
693 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
694 | ||
40b275b6 | 695 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
696 | if (!old) |
697 | return -ENOENT; | |
698 | ||
a9b3cd7f | 699 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
5dfdaf58 JB |
700 | synchronize_rcu(); |
701 | kfree(old); | |
702 | ||
2d0ddec5 JB |
703 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
704 | return 0; | |
5dfdaf58 JB |
705 | } |
706 | ||
4fd6931e JB |
707 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
708 | struct iapp_layer2_update { | |
709 | u8 da[ETH_ALEN]; /* broadcast */ | |
710 | u8 sa[ETH_ALEN]; /* STA addr */ | |
711 | __be16 len; /* 6 */ | |
712 | u8 dsap; /* 0 */ | |
713 | u8 ssap; /* 0 */ | |
714 | u8 control; | |
715 | u8 xid_info[3]; | |
bc10502d | 716 | } __packed; |
4fd6931e JB |
717 | |
718 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
719 | { | |
720 | struct iapp_layer2_update *msg; | |
721 | struct sk_buff *skb; | |
722 | ||
723 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
724 | * bridge devices */ | |
725 | ||
726 | skb = dev_alloc_skb(sizeof(*msg)); | |
727 | if (!skb) | |
728 | return; | |
729 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
730 | ||
731 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
732 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
733 | ||
734 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 735 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
736 | msg->len = htons(6); |
737 | msg->dsap = 0; | |
738 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
739 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
740 | * F=0 (no poll command; unsolicited frame) */ | |
741 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
742 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
743 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
744 | ||
d0709a65 JB |
745 | skb->dev = sta->sdata->dev; |
746 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 747 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 748 | netif_rx_ni(skb); |
4fd6931e JB |
749 | } |
750 | ||
d9a7ddb0 JB |
751 | static int sta_apply_parameters(struct ieee80211_local *local, |
752 | struct sta_info *sta, | |
753 | struct station_parameters *params) | |
4fd6931e | 754 | { |
d9a7ddb0 | 755 | int ret = 0; |
4fd6931e JB |
756 | u32 rates; |
757 | int i, j; | |
8318d78a | 758 | struct ieee80211_supported_band *sband; |
d0709a65 | 759 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 760 | u32 mask, set; |
4fd6931e | 761 | |
ae5eb026 JB |
762 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
763 | ||
eccb8e8f JB |
764 | mask = params->sta_flags_mask; |
765 | set = params->sta_flags_set; | |
73651ee6 | 766 | |
d9a7ddb0 JB |
767 | /* |
768 | * In mesh mode, we can clear AUTHENTICATED flag but must | |
769 | * also make ASSOCIATED follow appropriately for the driver | |
770 | * API. See also below, after AUTHORIZED changes. | |
771 | */ | |
772 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
773 | /* cfg80211 should not allow this in non-mesh modes */ | |
774 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
775 | return -EINVAL; | |
776 | ||
777 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
778 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
779 | ret = sta_info_move_state_checked(sta, | |
780 | IEEE80211_STA_AUTH); | |
781 | if (ret) | |
782 | return ret; | |
783 | ret = sta_info_move_state_checked(sta, | |
784 | IEEE80211_STA_ASSOC); | |
785 | if (ret) | |
786 | return ret; | |
787 | } | |
788 | } | |
789 | ||
eccb8e8f | 790 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 791 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
d9a7ddb0 JB |
792 | ret = sta_info_move_state_checked(sta, |
793 | IEEE80211_STA_AUTHORIZED); | |
c2c98fde | 794 | else |
d9a7ddb0 JB |
795 | ret = sta_info_move_state_checked(sta, |
796 | IEEE80211_STA_ASSOC); | |
797 | if (ret) | |
798 | return ret; | |
799 | } | |
800 | ||
801 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
802 | /* cfg80211 should not allow this in non-mesh modes */ | |
803 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
804 | return -EINVAL; | |
805 | ||
806 | if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
807 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
808 | ret = sta_info_move_state_checked(sta, | |
809 | IEEE80211_STA_AUTH); | |
810 | if (ret) | |
811 | return ret; | |
812 | ret = sta_info_move_state_checked(sta, | |
813 | IEEE80211_STA_NONE); | |
814 | if (ret) | |
815 | return ret; | |
816 | } | |
eccb8e8f | 817 | } |
4fd6931e | 818 | |
d9a7ddb0 | 819 | |
eccb8e8f | 820 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 821 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
822 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
823 | else | |
824 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 825 | } |
4fd6931e | 826 | |
eccb8e8f | 827 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 828 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 829 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 830 | sta->sta.wme = true; |
c2c98fde JB |
831 | } else { |
832 | clear_sta_flag(sta, WLAN_STA_WME); | |
833 | sta->sta.wme = false; | |
39df600a | 834 | } |
eccb8e8f | 835 | } |
5394af4d | 836 | |
eccb8e8f | 837 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 838 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
839 | set_sta_flag(sta, WLAN_STA_MFP); |
840 | else | |
841 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 842 | } |
b39c48fa | 843 | |
07ba55d7 | 844 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 845 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
846 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
847 | else | |
848 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 849 | } |
4fd6931e | 850 | |
3b9ce80c JB |
851 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
852 | sta->sta.uapsd_queues = params->uapsd_queues; | |
853 | sta->sta.max_sp = params->max_sp; | |
854 | } | |
9533b4ac | 855 | |
51b50fbe JB |
856 | /* |
857 | * cfg80211 validates this (1-2007) and allows setting the AID | |
858 | * only when creating a new station entry | |
859 | */ | |
860 | if (params->aid) | |
861 | sta->sta.aid = params->aid; | |
862 | ||
73651ee6 JB |
863 | /* |
864 | * FIXME: updating the following information is racy when this | |
865 | * function is called from ieee80211_change_station(). | |
866 | * However, all this information should be static so | |
867 | * maybe we should just reject attemps to change it. | |
868 | */ | |
869 | ||
4fd6931e JB |
870 | if (params->listen_interval >= 0) |
871 | sta->listen_interval = params->listen_interval; | |
872 | ||
873 | if (params->supported_rates) { | |
874 | rates = 0; | |
8318d78a | 875 | |
4fd6931e JB |
876 | for (i = 0; i < params->supported_rates_len; i++) { |
877 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
878 | for (j = 0; j < sband->n_bitrates; j++) { |
879 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
880 | rates |= BIT(j); |
881 | } | |
882 | } | |
323ce79a | 883 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 884 | } |
c5dd9c2b | 885 | |
d9fe60de | 886 | if (params->ht_capa) |
ef96a842 | 887 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
ae5eb026 | 888 | params->ht_capa, |
d9fe60de | 889 | &sta->sta.ht_cap); |
36aedc90 | 890 | |
9c3990aa | 891 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 892 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
893 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
894 | switch (params->plink_state) { | |
57cf8043 JC |
895 | case NL80211_PLINK_LISTEN: |
896 | case NL80211_PLINK_ESTAB: | |
897 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
898 | sta->plink_state = params->plink_state; |
899 | break; | |
900 | default: | |
901 | /* nothing */ | |
902 | break; | |
903 | } | |
904 | else | |
905 | switch (params->plink_action) { | |
906 | case PLINK_ACTION_OPEN: | |
907 | mesh_plink_open(sta); | |
908 | break; | |
909 | case PLINK_ACTION_BLOCK: | |
910 | mesh_plink_block(sta); | |
911 | break; | |
912 | } | |
4daf50f2 | 913 | #endif |
902acc78 | 914 | } |
d9a7ddb0 JB |
915 | |
916 | return 0; | |
4fd6931e JB |
917 | } |
918 | ||
919 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
920 | u8 *mac, struct station_parameters *params) | |
921 | { | |
14db74bc | 922 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
923 | struct sta_info *sta; |
924 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 925 | int err; |
b8d476c8 | 926 | int layer2_update; |
4fd6931e | 927 | |
4fd6931e JB |
928 | if (params->vlan) { |
929 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
930 | ||
05c914fe JB |
931 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
932 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
933 | return -EINVAL; |
934 | } else | |
935 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
936 | ||
47846c9b | 937 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
938 | return -EINVAL; |
939 | ||
940 | if (is_multicast_ether_addr(mac)) | |
941 | return -EINVAL; | |
942 | ||
943 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
944 | if (!sta) |
945 | return -ENOMEM; | |
4fd6931e | 946 | |
d9a7ddb0 JB |
947 | sta_info_move_state(sta, IEEE80211_STA_AUTH); |
948 | sta_info_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 949 | |
d9a7ddb0 JB |
950 | err = sta_apply_parameters(local, sta, params); |
951 | if (err) { | |
952 | sta_info_free(local, sta); | |
953 | return err; | |
954 | } | |
4fd6931e | 955 | |
d64cf63e AN |
956 | /* |
957 | * for TDLS, rate control should be initialized only when supported | |
958 | * rates are known. | |
959 | */ | |
960 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
961 | rate_control_rate_init(sta); | |
4fd6931e | 962 | |
b8d476c8 JM |
963 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
964 | sdata->vif.type == NL80211_IFTYPE_AP; | |
965 | ||
34e89507 | 966 | err = sta_info_insert_rcu(sta); |
73651ee6 | 967 | if (err) { |
73651ee6 JB |
968 | rcu_read_unlock(); |
969 | return err; | |
970 | } | |
971 | ||
b8d476c8 | 972 | if (layer2_update) |
73651ee6 JB |
973 | ieee80211_send_layer2_update(sta); |
974 | ||
975 | rcu_read_unlock(); | |
976 | ||
4fd6931e JB |
977 | return 0; |
978 | } | |
979 | ||
980 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
981 | u8 *mac) | |
982 | { | |
14db74bc JB |
983 | struct ieee80211_local *local = wiphy_priv(wiphy); |
984 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 985 | |
14db74bc JB |
986 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
987 | ||
34e89507 JB |
988 | if (mac) |
989 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 990 | |
34e89507 | 991 | sta_info_flush(local, sdata); |
4fd6931e JB |
992 | return 0; |
993 | } | |
994 | ||
995 | static int ieee80211_change_station(struct wiphy *wiphy, | |
996 | struct net_device *dev, | |
997 | u8 *mac, | |
998 | struct station_parameters *params) | |
999 | { | |
abe60632 | 1000 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1001 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1002 | struct sta_info *sta; |
1003 | struct ieee80211_sub_if_data *vlansdata; | |
1004 | ||
87be1e1e | 1005 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1006 | |
0e5ded5a | 1007 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1008 | if (!sta) { |
87be1e1e | 1009 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1010 | return -ENOENT; |
98dd6a57 | 1011 | } |
4fd6931e | 1012 | |
bdd90d5e JB |
1013 | /* in station mode, supported rates are only valid with TDLS */ |
1014 | if (sdata->vif.type == NL80211_IFTYPE_STATION && | |
1015 | params->supported_rates && | |
1016 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
87be1e1e | 1017 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1018 | return -EINVAL; |
1019 | } | |
1020 | ||
d0709a65 | 1021 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
1022 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1023 | ||
05c914fe JB |
1024 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1025 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1026 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1027 | return -EINVAL; |
98dd6a57 | 1028 | } |
4fd6931e | 1029 | |
9bc383de | 1030 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1031 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1032 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1033 | return -EBUSY; |
3305443c | 1034 | } |
f14543ee | 1035 | |
a9b3cd7f | 1036 | RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta); |
f14543ee FF |
1037 | } |
1038 | ||
14db74bc | 1039 | sta->sdata = vlansdata; |
4fd6931e JB |
1040 | ieee80211_send_layer2_update(sta); |
1041 | } | |
1042 | ||
1043 | sta_apply_parameters(local, sta, params); | |
1044 | ||
d64cf63e AN |
1045 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1046 | rate_control_rate_init(sta); | |
1047 | ||
87be1e1e | 1048 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1049 | |
808118cb JY |
1050 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
1051 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1052 | ieee80211_recalc_ps(local, -1); | |
1053 | ||
4fd6931e JB |
1054 | return 0; |
1055 | } | |
1056 | ||
c5dd9c2b LCC |
1057 | #ifdef CONFIG_MAC80211_MESH |
1058 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1059 | u8 *dst, u8 *next_hop) | |
1060 | { | |
14db74bc | 1061 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1062 | struct mesh_path *mpath; |
1063 | struct sta_info *sta; | |
1064 | int err; | |
1065 | ||
14db74bc JB |
1066 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1067 | ||
d0709a65 | 1068 | rcu_read_lock(); |
abe60632 | 1069 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1070 | if (!sta) { |
1071 | rcu_read_unlock(); | |
c5dd9c2b | 1072 | return -ENOENT; |
d0709a65 | 1073 | } |
c5dd9c2b | 1074 | |
f698d856 | 1075 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
1076 | if (err) { |
1077 | rcu_read_unlock(); | |
c5dd9c2b | 1078 | return err; |
d0709a65 | 1079 | } |
c5dd9c2b | 1080 | |
f698d856 | 1081 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1082 | if (!mpath) { |
1083 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1084 | return -ENXIO; |
1085 | } | |
1086 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1087 | |
c5dd9c2b LCC |
1088 | rcu_read_unlock(); |
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1093 | u8 *dst) | |
1094 | { | |
f698d856 JBG |
1095 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1096 | ||
c5dd9c2b | 1097 | if (dst) |
f698d856 | 1098 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 1099 | |
ece1a2e7 | 1100 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1101 | return 0; |
1102 | } | |
1103 | ||
1104 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1105 | struct net_device *dev, | |
1106 | u8 *dst, u8 *next_hop) | |
1107 | { | |
14db74bc | 1108 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1109 | struct mesh_path *mpath; |
1110 | struct sta_info *sta; | |
1111 | ||
14db74bc JB |
1112 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1113 | ||
d0709a65 JB |
1114 | rcu_read_lock(); |
1115 | ||
abe60632 | 1116 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1117 | if (!sta) { |
1118 | rcu_read_unlock(); | |
c5dd9c2b | 1119 | return -ENOENT; |
d0709a65 | 1120 | } |
c5dd9c2b | 1121 | |
f698d856 | 1122 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1123 | if (!mpath) { |
1124 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1125 | return -ENOENT; |
1126 | } | |
1127 | ||
1128 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1129 | |
c5dd9c2b LCC |
1130 | rcu_read_unlock(); |
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1135 | struct mpath_info *pinfo) | |
1136 | { | |
a3836e02 JB |
1137 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1138 | ||
1139 | if (next_hop_sta) | |
1140 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1141 | else |
1142 | memset(next_hop, 0, ETH_ALEN); | |
1143 | ||
f5ea9120 JB |
1144 | pinfo->generation = mesh_paths_generation; |
1145 | ||
c5dd9c2b | 1146 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1147 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1148 | MPATH_INFO_METRIC | |
1149 | MPATH_INFO_EXPTIME | | |
1150 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1151 | MPATH_INFO_DISCOVERY_RETRIES | | |
1152 | MPATH_INFO_FLAGS; | |
1153 | ||
1154 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1155 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1156 | pinfo->metric = mpath->metric; |
1157 | if (time_before(jiffies, mpath->exp_time)) | |
1158 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1159 | pinfo->discovery_timeout = | |
1160 | jiffies_to_msecs(mpath->discovery_timeout); | |
1161 | pinfo->discovery_retries = mpath->discovery_retries; | |
1162 | pinfo->flags = 0; | |
1163 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1164 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1165 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1166 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1167 | if (mpath->flags & MESH_PATH_SN_VALID) |
1168 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1169 | if (mpath->flags & MESH_PATH_FIXED) |
1170 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1171 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1172 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1173 | ||
1174 | pinfo->flags = mpath->flags; | |
1175 | } | |
1176 | ||
1177 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1178 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1179 | ||
1180 | { | |
14db74bc | 1181 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1182 | struct mesh_path *mpath; |
1183 | ||
14db74bc JB |
1184 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1185 | ||
c5dd9c2b | 1186 | rcu_read_lock(); |
f698d856 | 1187 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1188 | if (!mpath) { |
1189 | rcu_read_unlock(); | |
1190 | return -ENOENT; | |
1191 | } | |
1192 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1193 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1194 | rcu_read_unlock(); | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1199 | int idx, u8 *dst, u8 *next_hop, | |
1200 | struct mpath_info *pinfo) | |
1201 | { | |
14db74bc | 1202 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1203 | struct mesh_path *mpath; |
1204 | ||
14db74bc JB |
1205 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1206 | ||
c5dd9c2b | 1207 | rcu_read_lock(); |
f698d856 | 1208 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1209 | if (!mpath) { |
1210 | rcu_read_unlock(); | |
1211 | return -ENOENT; | |
1212 | } | |
1213 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1214 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1215 | rcu_read_unlock(); | |
1216 | return 0; | |
1217 | } | |
93da9cc1 | 1218 | |
24bdd9f4 | 1219 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1220 | struct net_device *dev, |
1221 | struct mesh_config *conf) | |
1222 | { | |
1223 | struct ieee80211_sub_if_data *sdata; | |
1224 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1225 | ||
93da9cc1 | 1226 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1231 | { | |
1232 | return (mask >> (parm-1)) & 0x1; | |
1233 | } | |
1234 | ||
c80d545d JC |
1235 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1236 | const struct mesh_setup *setup) | |
1237 | { | |
1238 | u8 *new_ie; | |
1239 | const u8 *old_ie; | |
4bb62344 CYY |
1240 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1241 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1242 | |
581a8b0f | 1243 | /* allocate information elements */ |
c80d545d | 1244 | new_ie = NULL; |
581a8b0f | 1245 | old_ie = ifmsh->ie; |
c80d545d | 1246 | |
581a8b0f JC |
1247 | if (setup->ie_len) { |
1248 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1249 | GFP_KERNEL); |
1250 | if (!new_ie) | |
1251 | return -ENOMEM; | |
1252 | } | |
581a8b0f JC |
1253 | ifmsh->ie_len = setup->ie_len; |
1254 | ifmsh->ie = new_ie; | |
1255 | kfree(old_ie); | |
c80d545d JC |
1256 | |
1257 | /* now copy the rest of the setup parameters */ | |
1258 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1259 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1260 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1261 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1262 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1263 | if (setup->is_authenticated) | |
1264 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1265 | if (setup->is_secure) | |
1266 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1267 | |
4bb62344 CYY |
1268 | /* mcast rate setting in Mesh Node */ |
1269 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1270 | sizeof(setup->mcast_rate)); | |
1271 | ||
c80d545d JC |
1272 | return 0; |
1273 | } | |
1274 | ||
24bdd9f4 | 1275 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1276 | struct net_device *dev, u32 mask, |
1277 | const struct mesh_config *nconf) | |
93da9cc1 | 1278 | { |
1279 | struct mesh_config *conf; | |
1280 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1281 | struct ieee80211_if_mesh *ifmsh; |
1282 | ||
93da9cc1 | 1283 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1284 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1285 | |
93da9cc1 | 1286 | /* Set the config options which we are interested in setting */ |
1287 | conf = &(sdata->u.mesh.mshcfg); | |
1288 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1289 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1290 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1291 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1292 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1293 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1294 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1295 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1296 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1297 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1298 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1299 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1300 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1301 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1302 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1303 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1304 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1305 | conf->dot11MeshHWMPmaxPREQretries = | |
1306 | nconf->dot11MeshHWMPmaxPREQretries; | |
1307 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1308 | conf->path_refresh_time = nconf->path_refresh_time; | |
1309 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1310 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1311 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1312 | conf->dot11MeshHWMPactivePathTimeout = | |
1313 | nconf->dot11MeshHWMPactivePathTimeout; | |
1314 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1315 | conf->dot11MeshHWMPpreqMinInterval = | |
1316 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1317 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1318 | conf->dot11MeshHWMPperrMinInterval = | |
1319 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1320 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1321 | mask)) | |
1322 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1323 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1324 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1325 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1326 | ieee80211_mesh_root_setup(ifmsh); | |
1327 | } | |
16dd7267 | 1328 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1329 | /* our current gate announcement implementation rides on root |
1330 | * announcements, so require this ifmsh to also be a root node | |
1331 | * */ | |
1332 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
1333 | !conf->dot11MeshHWMPRootMode) { | |
1334 | conf->dot11MeshHWMPRootMode = 1; | |
1335 | ieee80211_mesh_root_setup(ifmsh); | |
1336 | } | |
16dd7267 JC |
1337 | conf->dot11MeshGateAnnouncementProtocol = |
1338 | nconf->dot11MeshGateAnnouncementProtocol; | |
1339 | } | |
0507e159 JC |
1340 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { |
1341 | conf->dot11MeshHWMPRannInterval = | |
1342 | nconf->dot11MeshHWMPRannInterval; | |
1343 | } | |
93da9cc1 | 1344 | return 0; |
1345 | } | |
1346 | ||
29cbe68c JB |
1347 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1348 | const struct mesh_config *conf, | |
1349 | const struct mesh_setup *setup) | |
1350 | { | |
1351 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1352 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1353 | int err; |
29cbe68c | 1354 | |
c80d545d JC |
1355 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1356 | err = copy_mesh_setup(ifmsh, setup); | |
1357 | if (err) | |
1358 | return err; | |
29cbe68c JB |
1359 | ieee80211_start_mesh(sdata); |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1365 | { | |
1366 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1367 | ||
1368 | ieee80211_stop_mesh(sdata); | |
1369 | ||
1370 | return 0; | |
1371 | } | |
c5dd9c2b LCC |
1372 | #endif |
1373 | ||
9f1ba906 JM |
1374 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1375 | struct net_device *dev, | |
1376 | struct bss_parameters *params) | |
1377 | { | |
9f1ba906 JM |
1378 | struct ieee80211_sub_if_data *sdata; |
1379 | u32 changed = 0; | |
1380 | ||
9f1ba906 JM |
1381 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1382 | ||
9f1ba906 | 1383 | if (params->use_cts_prot >= 0) { |
bda3933a | 1384 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1385 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1386 | } | |
1387 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1388 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1389 | params->use_short_preamble; |
1390 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1391 | } | |
43d35343 FF |
1392 | |
1393 | if (!sdata->vif.bss_conf.use_short_slot && | |
1394 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1395 | sdata->vif.bss_conf.use_short_slot = true; | |
1396 | changed |= BSS_CHANGED_ERP_SLOT; | |
1397 | } | |
1398 | ||
9f1ba906 | 1399 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1400 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1401 | params->use_short_slot_time; |
1402 | changed |= BSS_CHANGED_ERP_SLOT; | |
1403 | } | |
1404 | ||
90c97a04 JM |
1405 | if (params->basic_rates) { |
1406 | int i, j; | |
1407 | u32 rates = 0; | |
1408 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1409 | struct ieee80211_supported_band *sband = | |
1410 | wiphy->bands[local->oper_channel->band]; | |
1411 | ||
1412 | for (i = 0; i < params->basic_rates_len; i++) { | |
1413 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1414 | for (j = 0; j < sband->n_bitrates; j++) { | |
1415 | if (sband->bitrates[j].bitrate == rate) | |
1416 | rates |= BIT(j); | |
1417 | } | |
1418 | } | |
1419 | sdata->vif.bss_conf.basic_rates = rates; | |
1420 | changed |= BSS_CHANGED_BASIC_RATES; | |
1421 | } | |
1422 | ||
7b7b5e56 FF |
1423 | if (params->ap_isolate >= 0) { |
1424 | if (params->ap_isolate) | |
1425 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1426 | else | |
1427 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1428 | } | |
1429 | ||
80d7e403 HS |
1430 | if (params->ht_opmode >= 0) { |
1431 | sdata->vif.bss_conf.ht_operation_mode = | |
1432 | (u16) params->ht_opmode; | |
1433 | changed |= BSS_CHANGED_HT; | |
1434 | } | |
1435 | ||
9f1ba906 JM |
1436 | ieee80211_bss_info_change_notify(sdata, changed); |
1437 | ||
1438 | return 0; | |
1439 | } | |
1440 | ||
31888487 | 1441 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1442 | struct net_device *dev, |
31888487 JM |
1443 | struct ieee80211_txq_params *params) |
1444 | { | |
1445 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1446 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1447 | struct ieee80211_tx_queue_params p; |
1448 | ||
1449 | if (!local->ops->conf_tx) | |
1450 | return -EOPNOTSUPP; | |
1451 | ||
1452 | memset(&p, 0, sizeof(p)); | |
1453 | p.aifs = params->aifs; | |
1454 | p.cw_max = params->cwmax; | |
1455 | p.cw_min = params->cwmin; | |
1456 | p.txop = params->txop; | |
ab13315a KV |
1457 | |
1458 | /* | |
1459 | * Setting tx queue params disables u-apsd because it's only | |
1460 | * called in master mode. | |
1461 | */ | |
1462 | p.uapsd = false; | |
1463 | ||
2683d65b EP |
1464 | if (params->queue >= local->hw.queues) |
1465 | return -EINVAL; | |
1466 | ||
f6f3def3 EP |
1467 | sdata->tx_conf[params->queue] = p; |
1468 | if (drv_conf_tx(local, sdata, params->queue, &p)) { | |
0fb9a9ec JP |
1469 | wiphy_debug(local->hw.wiphy, |
1470 | "failed to set TX queue parameters for queue %d\n", | |
1471 | params->queue); | |
31888487 JM |
1472 | return -EINVAL; |
1473 | } | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
72bdcf34 | 1478 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1479 | struct net_device *netdev, |
72bdcf34 | 1480 | struct ieee80211_channel *chan, |
094d05dc | 1481 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1482 | { |
1483 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1484 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1485 | struct ieee80211_channel *old_oper; |
1486 | enum nl80211_channel_type old_oper_type; | |
1487 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1488 | |
1489 | if (netdev) | |
1490 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1491 | |
f444de05 JB |
1492 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1493 | case CHAN_MODE_HOPPING: | |
1494 | return -EBUSY; | |
1495 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1496 | if (local->oper_channel != chan) |
1497 | return -EBUSY; | |
1498 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1499 | return 0; |
0aaffa9b | 1500 | break; |
f444de05 JB |
1501 | case CHAN_MODE_UNDEFINED: |
1502 | break; | |
1503 | } | |
72bdcf34 | 1504 | |
eeabee7e BG |
1505 | if (sdata) |
1506 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1507 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1508 | |
0aaffa9b JB |
1509 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1510 | return -EBUSY; | |
1511 | ||
eeabee7e BG |
1512 | old_oper = local->oper_channel; |
1513 | local->oper_channel = chan; | |
1514 | ||
1515 | /* Update driver if changes were actually made. */ | |
1516 | if ((old_oper != local->oper_channel) || | |
1517 | (old_oper_type != local->_oper_channel_type)) | |
1518 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1519 | ||
ef5af747 | 1520 | if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR && |
eeabee7e | 1521 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) |
0aaffa9b JB |
1522 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1523 | ||
1524 | return 0; | |
72bdcf34 JM |
1525 | } |
1526 | ||
665af4fc | 1527 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1528 | static int ieee80211_suspend(struct wiphy *wiphy, |
1529 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1530 | { |
eecc4800 | 1531 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1532 | } |
1533 | ||
1534 | static int ieee80211_resume(struct wiphy *wiphy) | |
1535 | { | |
1536 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1537 | } | |
1538 | #else | |
1539 | #define ieee80211_suspend NULL | |
1540 | #define ieee80211_resume NULL | |
1541 | #endif | |
1542 | ||
2a519311 JB |
1543 | static int ieee80211_scan(struct wiphy *wiphy, |
1544 | struct net_device *dev, | |
1545 | struct cfg80211_scan_request *req) | |
1546 | { | |
2ca27bcf | 1547 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1548 | |
2ca27bcf JB |
1549 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1550 | case NL80211_IFTYPE_STATION: | |
1551 | case NL80211_IFTYPE_ADHOC: | |
1552 | case NL80211_IFTYPE_MESH_POINT: | |
1553 | case NL80211_IFTYPE_P2P_CLIENT: | |
1554 | break; | |
1555 | case NL80211_IFTYPE_P2P_GO: | |
1556 | if (sdata->local->ops->hw_scan) | |
1557 | break; | |
e9d7732e JB |
1558 | /* |
1559 | * FIXME: implement NoA while scanning in software, | |
1560 | * for now fall through to allow scanning only when | |
1561 | * beaconing hasn't been configured yet | |
1562 | */ | |
2ca27bcf JB |
1563 | case NL80211_IFTYPE_AP: |
1564 | if (sdata->u.ap.beacon) | |
1565 | return -EOPNOTSUPP; | |
1566 | break; | |
1567 | default: | |
1568 | return -EOPNOTSUPP; | |
1569 | } | |
2a519311 JB |
1570 | |
1571 | return ieee80211_request_scan(sdata, req); | |
1572 | } | |
1573 | ||
79f460ca LC |
1574 | static int |
1575 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1576 | struct net_device *dev, | |
1577 | struct cfg80211_sched_scan_request *req) | |
1578 | { | |
1579 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1580 | ||
1581 | if (!sdata->local->ops->sched_scan_start) | |
1582 | return -EOPNOTSUPP; | |
1583 | ||
1584 | return ieee80211_request_sched_scan_start(sdata, req); | |
1585 | } | |
1586 | ||
1587 | static int | |
85a9994a | 1588 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1589 | { |
1590 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1591 | ||
1592 | if (!sdata->local->ops->sched_scan_stop) | |
1593 | return -EOPNOTSUPP; | |
1594 | ||
85a9994a | 1595 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1596 | } |
1597 | ||
636a5d36 JM |
1598 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1599 | struct cfg80211_auth_request *req) | |
1600 | { | |
77fdaa12 | 1601 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1602 | } |
1603 | ||
1604 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1605 | struct cfg80211_assoc_request *req) | |
1606 | { | |
f444de05 JB |
1607 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1608 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1609 | ||
1610 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1611 | case CHAN_MODE_HOPPING: | |
1612 | return -EBUSY; | |
1613 | case CHAN_MODE_FIXED: | |
1614 | if (local->oper_channel == req->bss->channel) | |
1615 | break; | |
1616 | return -EBUSY; | |
1617 | case CHAN_MODE_UNDEFINED: | |
1618 | break; | |
1619 | } | |
1620 | ||
77fdaa12 | 1621 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1622 | } |
1623 | ||
1624 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1625 | struct cfg80211_deauth_request *req, |
1626 | void *cookie) | |
636a5d36 | 1627 | { |
667503dd JB |
1628 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1629 | req, cookie); | |
636a5d36 JM |
1630 | } |
1631 | ||
1632 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1633 | struct cfg80211_disassoc_request *req, |
1634 | void *cookie) | |
636a5d36 | 1635 | { |
667503dd JB |
1636 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1637 | req, cookie); | |
636a5d36 JM |
1638 | } |
1639 | ||
af8cdcd8 JB |
1640 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1641 | struct cfg80211_ibss_params *params) | |
1642 | { | |
f444de05 | 1643 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1644 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1645 | ||
f444de05 JB |
1646 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1647 | case CHAN_MODE_HOPPING: | |
1648 | return -EBUSY; | |
1649 | case CHAN_MODE_FIXED: | |
1650 | if (!params->channel_fixed) | |
1651 | return -EBUSY; | |
1652 | if (local->oper_channel == params->channel) | |
1653 | break; | |
1654 | return -EBUSY; | |
1655 | case CHAN_MODE_UNDEFINED: | |
1656 | break; | |
1657 | } | |
1658 | ||
af8cdcd8 JB |
1659 | return ieee80211_ibss_join(sdata, params); |
1660 | } | |
1661 | ||
1662 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1663 | { | |
1664 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1665 | ||
1666 | return ieee80211_ibss_leave(sdata); | |
1667 | } | |
1668 | ||
b9a5f8ca JM |
1669 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1670 | { | |
1671 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1672 | int err; |
b9a5f8ca | 1673 | |
f23a4780 AN |
1674 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1675 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1676 | ||
1677 | if (err) | |
1678 | return err; | |
1679 | } | |
1680 | ||
310bc676 LT |
1681 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1682 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1683 | ||
1684 | if (err) | |
1685 | return err; | |
1686 | } | |
1687 | ||
b9a5f8ca | 1688 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1689 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1690 | |
24487981 JB |
1691 | if (err) |
1692 | return err; | |
b9a5f8ca JM |
1693 | } |
1694 | ||
1695 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1696 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1697 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1698 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1699 | if (changed & | |
1700 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1701 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1702 | ||
1703 | return 0; | |
1704 | } | |
1705 | ||
7643a2c3 | 1706 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1707 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1708 | { |
1709 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1710 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1711 | u32 changes = 0; | |
7643a2c3 JB |
1712 | |
1713 | switch (type) { | |
fa61cf70 | 1714 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1715 | local->user_power_level = -1; |
1716 | break; | |
fa61cf70 JO |
1717 | case NL80211_TX_POWER_LIMITED: |
1718 | if (mbm < 0 || (mbm % 100)) | |
1719 | return -EOPNOTSUPP; | |
1720 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1721 | break; |
fa61cf70 JO |
1722 | case NL80211_TX_POWER_FIXED: |
1723 | if (mbm < 0 || (mbm % 100)) | |
1724 | return -EOPNOTSUPP; | |
7643a2c3 | 1725 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1726 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1727 | return -EINVAL; |
fa61cf70 | 1728 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1729 | break; |
7643a2c3 JB |
1730 | } |
1731 | ||
1732 | ieee80211_hw_config(local, changes); | |
1733 | ||
1734 | return 0; | |
1735 | } | |
1736 | ||
1737 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1738 | { | |
1739 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1740 | ||
1741 | *dbm = local->hw.conf.power_level; | |
1742 | ||
7643a2c3 JB |
1743 | return 0; |
1744 | } | |
1745 | ||
ab737a4f | 1746 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1747 | const u8 *addr) |
ab737a4f JB |
1748 | { |
1749 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1750 | ||
1751 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1752 | ||
1753 | return 0; | |
1754 | } | |
1755 | ||
1f87f7d3 JB |
1756 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1757 | { | |
1758 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1759 | ||
1760 | drv_rfkill_poll(local); | |
1761 | } | |
1762 | ||
aff89a9b | 1763 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1764 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1765 | { |
1766 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1767 | ||
1768 | if (!local->ops->testmode_cmd) | |
1769 | return -EOPNOTSUPP; | |
1770 | ||
1771 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1772 | } | |
71063f0e WYG |
1773 | |
1774 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
1775 | struct sk_buff *skb, | |
1776 | struct netlink_callback *cb, | |
1777 | void *data, int len) | |
1778 | { | |
1779 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1780 | ||
1781 | if (!local->ops->testmode_dump) | |
1782 | return -EOPNOTSUPP; | |
1783 | ||
1784 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
1785 | } | |
aff89a9b JB |
1786 | #endif |
1787 | ||
0f78231b JB |
1788 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1789 | enum ieee80211_smps_mode smps_mode) | |
1790 | { | |
1791 | const u8 *ap; | |
1792 | enum ieee80211_smps_mode old_req; | |
1793 | int err; | |
1794 | ||
243e6df4 JB |
1795 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1796 | ||
0f78231b JB |
1797 | old_req = sdata->u.mgd.req_smps; |
1798 | sdata->u.mgd.req_smps = smps_mode; | |
1799 | ||
1800 | if (old_req == smps_mode && | |
1801 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1802 | return 0; | |
1803 | ||
1804 | /* | |
1805 | * If not associated, or current association is not an HT | |
1806 | * association, there's no need to send an action frame. | |
1807 | */ | |
1808 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1809 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1810 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1811 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1812 | mutex_unlock(&sdata->local->iflist_mtx); |
1813 | return 0; | |
1814 | } | |
1815 | ||
0c1ad2ca | 1816 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1817 | |
1818 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1819 | if (sdata->u.mgd.powersave) | |
1820 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1821 | else | |
1822 | smps_mode = IEEE80211_SMPS_OFF; | |
1823 | } | |
1824 | ||
1825 | /* send SM PS frame to AP */ | |
1826 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1827 | ap, ap); | |
1828 | if (err) | |
1829 | sdata->u.mgd.req_smps = old_req; | |
1830 | ||
1831 | return err; | |
1832 | } | |
1833 | ||
bc92afd9 JB |
1834 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1835 | bool enabled, int timeout) | |
1836 | { | |
1837 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1838 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1839 | |
e5de30c9 BP |
1840 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1841 | return -EOPNOTSUPP; | |
1842 | ||
bc92afd9 JB |
1843 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1844 | return -EOPNOTSUPP; | |
1845 | ||
1846 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1847 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1848 | return 0; |
1849 | ||
1850 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1851 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1852 | |
0f78231b JB |
1853 | /* no change, but if automatic follow powersave */ |
1854 | mutex_lock(&sdata->u.mgd.mtx); | |
1855 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1856 | mutex_unlock(&sdata->u.mgd.mtx); | |
1857 | ||
bc92afd9 JB |
1858 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1859 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1860 | ||
1861 | ieee80211_recalc_ps(local, -1); | |
1862 | ||
1863 | return 0; | |
1864 | } | |
1865 | ||
a97c13c3 JO |
1866 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1867 | struct net_device *dev, | |
1868 | s32 rssi_thold, u32 rssi_hyst) | |
1869 | { | |
1870 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1871 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1872 | struct ieee80211_vif *vif = &sdata->vif; | |
1873 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1874 | ||
a97c13c3 JO |
1875 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1876 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1877 | return 0; | |
1878 | ||
1879 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1880 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1881 | ||
17e4ec14 JM |
1882 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1883 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1884 | return -EOPNOTSUPP; | |
1885 | return 0; | |
1886 | } | |
1887 | ||
a97c13c3 JO |
1888 | /* tell the driver upon association, unless already associated */ |
1889 | if (sdata->u.mgd.associated) | |
1890 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1891 | ||
1892 | return 0; | |
1893 | } | |
1894 | ||
9930380f JB |
1895 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1896 | struct net_device *dev, | |
1897 | const u8 *addr, | |
1898 | const struct cfg80211_bitrate_mask *mask) | |
1899 | { | |
1900 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1901 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 1902 | int i, ret; |
2c7e6bc9 | 1903 | |
bdbfd6b5 SM |
1904 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
1905 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
1906 | if (ret) | |
1907 | return ret; | |
1908 | } | |
9930380f | 1909 | |
37eb0b16 JM |
1910 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1911 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1912 | |
37eb0b16 | 1913 | return 0; |
9930380f JB |
1914 | } |
1915 | ||
21f83589 JB |
1916 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1917 | struct net_device *dev, | |
1918 | struct ieee80211_channel *chan, | |
1919 | enum nl80211_channel_type chantype, | |
1920 | unsigned int duration, u64 *cookie) | |
1921 | { | |
1922 | int ret; | |
1923 | u32 random_cookie; | |
1924 | ||
1925 | lockdep_assert_held(&local->mtx); | |
1926 | ||
1927 | if (local->hw_roc_cookie) | |
1928 | return -EBUSY; | |
1929 | /* must be nonzero */ | |
1930 | random_cookie = random32() | 1; | |
1931 | ||
1932 | *cookie = random_cookie; | |
1933 | local->hw_roc_dev = dev; | |
1934 | local->hw_roc_cookie = random_cookie; | |
1935 | local->hw_roc_channel = chan; | |
1936 | local->hw_roc_channel_type = chantype; | |
1937 | local->hw_roc_duration = duration; | |
1938 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1939 | if (ret) { | |
1940 | local->hw_roc_channel = NULL; | |
1941 | local->hw_roc_cookie = 0; | |
1942 | } | |
1943 | ||
1944 | return ret; | |
1945 | } | |
1946 | ||
b8bc4b0a JB |
1947 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1948 | struct net_device *dev, | |
1949 | struct ieee80211_channel *chan, | |
1950 | enum nl80211_channel_type channel_type, | |
1951 | unsigned int duration, | |
1952 | u64 *cookie) | |
1953 | { | |
1954 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1955 | struct ieee80211_local *local = sdata->local; |
1956 | ||
1957 | if (local->ops->remain_on_channel) { | |
1958 | int ret; | |
1959 | ||
1960 | mutex_lock(&local->mtx); | |
1961 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1962 | chan, channel_type, | |
1963 | duration, cookie); | |
90fc4b3a | 1964 | local->hw_roc_for_tx = false; |
21f83589 JB |
1965 | mutex_unlock(&local->mtx); |
1966 | ||
1967 | return ret; | |
1968 | } | |
b8bc4b0a JB |
1969 | |
1970 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1971 | duration, cookie); | |
1972 | } | |
1973 | ||
21f83589 JB |
1974 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1975 | u64 cookie) | |
1976 | { | |
1977 | int ret; | |
1978 | ||
1979 | lockdep_assert_held(&local->mtx); | |
1980 | ||
1981 | if (local->hw_roc_cookie != cookie) | |
1982 | return -ENOENT; | |
1983 | ||
1984 | ret = drv_cancel_remain_on_channel(local); | |
1985 | if (ret) | |
1986 | return ret; | |
1987 | ||
1988 | local->hw_roc_cookie = 0; | |
1989 | local->hw_roc_channel = NULL; | |
1990 | ||
1991 | ieee80211_recalc_idle(local); | |
1992 | ||
1993 | return 0; | |
1994 | } | |
1995 | ||
b8bc4b0a JB |
1996 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1997 | struct net_device *dev, | |
1998 | u64 cookie) | |
1999 | { | |
2000 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
2001 | struct ieee80211_local *local = sdata->local; |
2002 | ||
2003 | if (local->ops->cancel_remain_on_channel) { | |
2004 | int ret; | |
2005 | ||
2006 | mutex_lock(&local->mtx); | |
2007 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2008 | mutex_unlock(&local->mtx); | |
2009 | ||
2010 | return ret; | |
2011 | } | |
b8bc4b0a JB |
2012 | |
2013 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
2014 | } | |
2015 | ||
f30221e4 JB |
2016 | static enum work_done_result |
2017 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
2018 | { | |
2019 | /* | |
2020 | * Use the data embedded in the work struct for reporting | |
2021 | * here so if the driver mangled the SKB before dropping | |
2022 | * it (which is the only way we really should get here) | |
2023 | * then we don't report mangled data. | |
2024 | * | |
2025 | * If there was no wait time, then by the time we get here | |
2026 | * the driver will likely not have reported the status yet, | |
2027 | * so in that case userspace will have to deal with it. | |
2028 | */ | |
2029 | ||
28a1bcdb | 2030 | if (wk->offchan_tx.wait && !wk->offchan_tx.status) |
f30221e4 JB |
2031 | cfg80211_mgmt_tx_status(wk->sdata->dev, |
2032 | (unsigned long) wk->offchan_tx.frame, | |
2033 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
2034 | ||
2035 | return WORK_DONE_DESTROY; | |
2036 | } | |
2037 | ||
2e161f78 | 2038 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 2039 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 2040 | enum nl80211_channel_type channel_type, |
f7ca38df | 2041 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 2042 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 2043 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 2044 | { |
9d38d85d JB |
2045 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2046 | struct ieee80211_local *local = sdata->local; | |
2047 | struct sk_buff *skb; | |
2048 | struct sta_info *sta; | |
f30221e4 | 2049 | struct ieee80211_work *wk; |
9d38d85d | 2050 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
e247bd90 | 2051 | u32 flags; |
f30221e4 | 2052 | bool is_offchan = false; |
f7ca38df | 2053 | |
e247bd90 JB |
2054 | if (dont_wait_for_ack) |
2055 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2056 | else | |
2057 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2058 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2059 | ||
9d38d85d JB |
2060 | /* Check that we are on the requested channel for transmission */ |
2061 | if (chan != local->tmp_channel && | |
2062 | chan != local->oper_channel) | |
f30221e4 | 2063 | is_offchan = true; |
9d38d85d JB |
2064 | if (channel_type_valid && |
2065 | (channel_type != local->tmp_channel_type && | |
2066 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
2067 | is_offchan = true; |
2068 | ||
21f83589 JB |
2069 | if (chan == local->hw_roc_channel) { |
2070 | /* TODO: check channel type? */ | |
2071 | is_offchan = false; | |
2072 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
2073 | } | |
2074 | ||
aad14ceb RM |
2075 | if (no_cck) |
2076 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2077 | ||
f30221e4 | 2078 | if (is_offchan && !offchan) |
9d38d85d JB |
2079 | return -EBUSY; |
2080 | ||
2081 | switch (sdata->vif.type) { | |
2082 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
2083 | case NL80211_IFTYPE_AP: |
2084 | case NL80211_IFTYPE_AP_VLAN: | |
2085 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 2086 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
2087 | if (!ieee80211_is_action(mgmt->frame_control) || |
2088 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2089 | break; |
2090 | rcu_read_lock(); | |
2091 | sta = sta_info_get(sdata, mgmt->da); | |
2092 | rcu_read_unlock(); | |
2093 | if (!sta) | |
2094 | return -ENOLINK; | |
2095 | break; | |
2096 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2097 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
2098 | break; |
2099 | default: | |
2100 | return -EOPNOTSUPP; | |
2101 | } | |
2102 | ||
2103 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
2104 | if (!skb) | |
2105 | return -ENOMEM; | |
2106 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2107 | ||
2108 | memcpy(skb_put(skb, len), buf, len); | |
2109 | ||
2110 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2111 | ||
2112 | skb->dev = sdata->dev; | |
9d38d85d JB |
2113 | |
2114 | *cookie = (unsigned long) skb; | |
f30221e4 | 2115 | |
90fc4b3a JB |
2116 | if (is_offchan && local->ops->remain_on_channel) { |
2117 | unsigned int duration; | |
2118 | int ret; | |
2119 | ||
2120 | mutex_lock(&local->mtx); | |
2121 | /* | |
2122 | * If the duration is zero, then the driver | |
2123 | * wouldn't actually do anything. Set it to | |
2124 | * 100 for now. | |
2125 | * | |
2126 | * TODO: cancel the off-channel operation | |
2127 | * when we get the SKB's TX status and | |
2128 | * the wait time was zero before. | |
2129 | */ | |
2130 | duration = 100; | |
2131 | if (wait) | |
2132 | duration = wait; | |
2133 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
2134 | channel_type, | |
2135 | duration, cookie); | |
2136 | if (ret) { | |
2137 | kfree_skb(skb); | |
2138 | mutex_unlock(&local->mtx); | |
2139 | return ret; | |
2140 | } | |
2141 | ||
2142 | local->hw_roc_for_tx = true; | |
2143 | local->hw_roc_duration = wait; | |
2144 | ||
2145 | /* | |
2146 | * queue up frame for transmission after | |
2147 | * ieee80211_ready_on_channel call | |
2148 | */ | |
2149 | ||
2150 | /* modify cookie to prevent API mismatches */ | |
2151 | *cookie ^= 2; | |
2152 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
2153 | local->hw_roc_skb = skb; | |
4334ec85 | 2154 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
2155 | mutex_unlock(&local->mtx); |
2156 | ||
2157 | return 0; | |
2158 | } | |
2159 | ||
f30221e4 JB |
2160 | /* |
2161 | * Can transmit right away if the channel was the | |
2162 | * right one and there's no wait involved... If a | |
2163 | * wait is involved, we might otherwise not be on | |
2164 | * the right channel for long enough! | |
2165 | */ | |
2166 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
2167 | ieee80211_tx_skb(sdata, skb); | |
2168 | return 0; | |
2169 | } | |
2170 | ||
2171 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
2172 | if (!wk) { | |
2173 | kfree_skb(skb); | |
2174 | return -ENOMEM; | |
2175 | } | |
2176 | ||
2177 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
2178 | wk->chan = chan; | |
4d51e149 | 2179 | wk->chan_type = channel_type; |
f30221e4 JB |
2180 | wk->sdata = sdata; |
2181 | wk->done = ieee80211_offchan_tx_done; | |
2182 | wk->offchan_tx.frame = skb; | |
2183 | wk->offchan_tx.wait = wait; | |
2184 | wk->ie_len = len; | |
2185 | memcpy(wk->ie, buf, len); | |
2186 | ||
2187 | ieee80211_add_work(wk); | |
9d38d85d | 2188 | return 0; |
026331c4 JM |
2189 | } |
2190 | ||
f30221e4 JB |
2191 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
2192 | struct net_device *dev, | |
2193 | u64 cookie) | |
2194 | { | |
2195 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2196 | struct ieee80211_local *local = sdata->local; | |
2197 | struct ieee80211_work *wk; | |
2198 | int ret = -ENOENT; | |
2199 | ||
2200 | mutex_lock(&local->mtx); | |
90fc4b3a JB |
2201 | |
2202 | if (local->ops->cancel_remain_on_channel) { | |
2203 | cookie ^= 2; | |
2204 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2205 | ||
2206 | if (ret == 0) { | |
2207 | kfree_skb(local->hw_roc_skb); | |
2208 | local->hw_roc_skb = NULL; | |
4334ec85 | 2209 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
2210 | } |
2211 | ||
2212 | mutex_unlock(&local->mtx); | |
2213 | ||
2214 | return ret; | |
2215 | } | |
2216 | ||
f30221e4 JB |
2217 | list_for_each_entry(wk, &local->work_list, list) { |
2218 | if (wk->sdata != sdata) | |
2219 | continue; | |
2220 | ||
2221 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
2222 | continue; | |
2223 | ||
2224 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
2225 | continue; | |
2226 | ||
2227 | wk->timeout = jiffies; | |
2228 | ||
2229 | ieee80211_queue_work(&local->hw, &local->work_work); | |
2230 | ret = 0; | |
2231 | break; | |
2232 | } | |
2233 | mutex_unlock(&local->mtx); | |
2234 | ||
2235 | return ret; | |
2236 | } | |
2237 | ||
7be5086d JB |
2238 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2239 | struct net_device *dev, | |
2240 | u16 frame_type, bool reg) | |
2241 | { | |
2242 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2243 | ||
2244 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2245 | return; | |
2246 | ||
2247 | if (reg) | |
2248 | local->probe_req_reg++; | |
2249 | else | |
2250 | local->probe_req_reg--; | |
2251 | ||
2252 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2253 | } | |
2254 | ||
15d96753 BR |
2255 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2256 | { | |
2257 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2258 | ||
2259 | if (local->started) | |
2260 | return -EOPNOTSUPP; | |
2261 | ||
2262 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2263 | } | |
2264 | ||
2265 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2266 | { | |
2267 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2268 | ||
2269 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2270 | } | |
2271 | ||
38c09159 JL |
2272 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2273 | { | |
2274 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2275 | ||
2276 | return drv_set_ringparam(local, tx, rx); | |
2277 | } | |
2278 | ||
2279 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2280 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2281 | { | |
2282 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2283 | ||
2284 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2285 | } | |
2286 | ||
c68f4b89 JB |
2287 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2288 | struct net_device *dev, | |
2289 | struct cfg80211_gtk_rekey_data *data) | |
2290 | { | |
2291 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2292 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2293 | ||
2294 | if (!local->ops->set_rekey_data) | |
2295 | return -EOPNOTSUPP; | |
2296 | ||
2297 | drv_set_rekey_data(local, sdata, data); | |
2298 | ||
2299 | return 0; | |
2300 | } | |
2301 | ||
dfe018bf AN |
2302 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2303 | { | |
2304 | u8 *pos = (void *)skb_put(skb, 7); | |
2305 | ||
2306 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2307 | *pos++ = 5; /* len */ | |
2308 | *pos++ = 0x0; | |
2309 | *pos++ = 0x0; | |
2310 | *pos++ = 0x0; | |
2311 | *pos++ = 0x0; | |
2312 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2313 | } | |
2314 | ||
2315 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2316 | { | |
2317 | struct ieee80211_local *local = sdata->local; | |
2318 | u16 capab; | |
2319 | ||
2320 | capab = 0; | |
2321 | if (local->oper_channel->band != IEEE80211_BAND_2GHZ) | |
2322 | return capab; | |
2323 | ||
2324 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2325 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2326 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2327 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2328 | ||
2329 | return capab; | |
2330 | } | |
2331 | ||
2332 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2333 | u8 *peer, u8 *bssid) | |
2334 | { | |
2335 | struct ieee80211_tdls_lnkie *lnkid; | |
2336 | ||
2337 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2338 | ||
2339 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2340 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2341 | ||
2342 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2343 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2344 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2345 | } | |
2346 | ||
2347 | static int | |
2348 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2349 | u8 *peer, u8 action_code, u8 dialog_token, | |
2350 | u16 status_code, struct sk_buff *skb) | |
2351 | { | |
2352 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2353 | struct ieee80211_tdls_data *tf; | |
2354 | ||
2355 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2356 | ||
2357 | memcpy(tf->da, peer, ETH_ALEN); | |
2358 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2359 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2360 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2361 | ||
2362 | switch (action_code) { | |
2363 | case WLAN_TDLS_SETUP_REQUEST: | |
2364 | tf->category = WLAN_CATEGORY_TDLS; | |
2365 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2366 | ||
2367 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2368 | tf->u.setup_req.dialog_token = dialog_token; | |
2369 | tf->u.setup_req.capability = | |
2370 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2371 | ||
2372 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2373 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2374 | ieee80211_tdls_add_ext_capab(skb); | |
2375 | break; | |
2376 | case WLAN_TDLS_SETUP_RESPONSE: | |
2377 | tf->category = WLAN_CATEGORY_TDLS; | |
2378 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2379 | ||
2380 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2381 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2382 | tf->u.setup_resp.dialog_token = dialog_token; | |
2383 | tf->u.setup_resp.capability = | |
2384 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2385 | ||
2386 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2387 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2388 | ieee80211_tdls_add_ext_capab(skb); | |
2389 | break; | |
2390 | case WLAN_TDLS_SETUP_CONFIRM: | |
2391 | tf->category = WLAN_CATEGORY_TDLS; | |
2392 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2393 | ||
2394 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2395 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2396 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2397 | break; | |
2398 | case WLAN_TDLS_TEARDOWN: | |
2399 | tf->category = WLAN_CATEGORY_TDLS; | |
2400 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2401 | ||
2402 | skb_put(skb, sizeof(tf->u.teardown)); | |
2403 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2404 | break; | |
2405 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2406 | tf->category = WLAN_CATEGORY_TDLS; | |
2407 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2408 | ||
2409 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2410 | tf->u.discover_req.dialog_token = dialog_token; | |
2411 | break; | |
2412 | default: | |
2413 | return -EINVAL; | |
2414 | } | |
2415 | ||
2416 | return 0; | |
2417 | } | |
2418 | ||
2419 | static int | |
2420 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2421 | u8 *peer, u8 action_code, u8 dialog_token, | |
2422 | u16 status_code, struct sk_buff *skb) | |
2423 | { | |
2424 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2425 | struct ieee80211_mgmt *mgmt; | |
2426 | ||
2427 | mgmt = (void *)skb_put(skb, 24); | |
2428 | memset(mgmt, 0, 24); | |
2429 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2430 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2431 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2432 | ||
2433 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2434 | IEEE80211_STYPE_ACTION); | |
2435 | ||
2436 | switch (action_code) { | |
2437 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2438 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2439 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2440 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2441 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2442 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2443 | dialog_token; | |
2444 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2445 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2446 | ||
2447 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2448 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2449 | ieee80211_tdls_add_ext_capab(skb); | |
2450 | break; | |
2451 | default: | |
2452 | return -EINVAL; | |
2453 | } | |
2454 | ||
2455 | return 0; | |
2456 | } | |
2457 | ||
2458 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2459 | u8 *peer, u8 action_code, u8 dialog_token, | |
2460 | u16 status_code, const u8 *extra_ies, | |
2461 | size_t extra_ies_len) | |
2462 | { | |
2463 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2464 | struct ieee80211_local *local = sdata->local; | |
2465 | struct ieee80211_tx_info *info; | |
2466 | struct sk_buff *skb = NULL; | |
2467 | bool send_direct; | |
2468 | int ret; | |
2469 | ||
2470 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2471 | return -ENOTSUPP; | |
2472 | ||
2473 | /* make sure we are in managed mode, and associated */ | |
2474 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2475 | !sdata->u.mgd.associated) | |
2476 | return -EINVAL; | |
2477 | ||
2478 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2479 | printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer); | |
2480 | #endif | |
2481 | ||
2482 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2483 | max(sizeof(struct ieee80211_mgmt), | |
2484 | sizeof(struct ieee80211_tdls_data)) + | |
2485 | 50 + /* supported rates */ | |
2486 | 7 + /* ext capab */ | |
2487 | extra_ies_len + | |
2488 | sizeof(struct ieee80211_tdls_lnkie)); | |
2489 | if (!skb) | |
2490 | return -ENOMEM; | |
2491 | ||
2492 | info = IEEE80211_SKB_CB(skb); | |
2493 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2494 | ||
2495 | switch (action_code) { | |
2496 | case WLAN_TDLS_SETUP_REQUEST: | |
2497 | case WLAN_TDLS_SETUP_RESPONSE: | |
2498 | case WLAN_TDLS_SETUP_CONFIRM: | |
2499 | case WLAN_TDLS_TEARDOWN: | |
2500 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2501 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2502 | action_code, dialog_token, | |
2503 | status_code, skb); | |
2504 | send_direct = false; | |
2505 | break; | |
2506 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2507 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2508 | dialog_token, status_code, | |
2509 | skb); | |
2510 | send_direct = true; | |
2511 | break; | |
2512 | default: | |
2513 | ret = -ENOTSUPP; | |
2514 | break; | |
2515 | } | |
2516 | ||
2517 | if (ret < 0) | |
2518 | goto fail; | |
2519 | ||
2520 | if (extra_ies_len) | |
2521 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2522 | ||
2523 | /* the TDLS link IE is always added last */ | |
2524 | switch (action_code) { | |
2525 | case WLAN_TDLS_SETUP_REQUEST: | |
2526 | case WLAN_TDLS_SETUP_CONFIRM: | |
2527 | case WLAN_TDLS_TEARDOWN: | |
2528 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2529 | /* we are the initiator */ | |
2530 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2531 | sdata->u.mgd.bssid); | |
2532 | break; | |
2533 | case WLAN_TDLS_SETUP_RESPONSE: | |
2534 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2535 | /* we are the responder */ | |
2536 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2537 | sdata->u.mgd.bssid); | |
2538 | break; | |
2539 | default: | |
2540 | ret = -ENOTSUPP; | |
2541 | goto fail; | |
2542 | } | |
2543 | ||
2544 | if (send_direct) { | |
2545 | ieee80211_tx_skb(sdata, skb); | |
2546 | return 0; | |
2547 | } | |
2548 | ||
2549 | /* | |
2550 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2551 | * we should default to AC_VI. | |
2552 | */ | |
2553 | switch (action_code) { | |
2554 | case WLAN_TDLS_SETUP_REQUEST: | |
2555 | case WLAN_TDLS_SETUP_RESPONSE: | |
2556 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2557 | skb->priority = 2; | |
2558 | break; | |
2559 | default: | |
2560 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2561 | skb->priority = 5; | |
2562 | break; | |
2563 | } | |
2564 | ||
2565 | /* disable bottom halves when entering the Tx path */ | |
2566 | local_bh_disable(); | |
2567 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2568 | local_bh_enable(); | |
2569 | ||
2570 | return ret; | |
2571 | ||
2572 | fail: | |
2573 | dev_kfree_skb(skb); | |
2574 | return ret; | |
2575 | } | |
2576 | ||
2577 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2578 | u8 *peer, enum nl80211_tdls_operation oper) | |
2579 | { | |
941c93cd | 2580 | struct sta_info *sta; |
dfe018bf AN |
2581 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2582 | ||
2583 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2584 | return -ENOTSUPP; | |
2585 | ||
2586 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2587 | return -EINVAL; | |
2588 | ||
2589 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2590 | printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer); | |
2591 | #endif | |
2592 | ||
2593 | switch (oper) { | |
2594 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2595 | rcu_read_lock(); |
2596 | sta = sta_info_get(sdata, peer); | |
2597 | if (!sta) { | |
2598 | rcu_read_unlock(); | |
2599 | return -ENOLINK; | |
2600 | } | |
2601 | ||
c2c98fde | 2602 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2603 | rcu_read_unlock(); |
dfe018bf AN |
2604 | break; |
2605 | case NL80211_TDLS_DISABLE_LINK: | |
2606 | return sta_info_destroy_addr(sdata, peer); | |
2607 | case NL80211_TDLS_TEARDOWN: | |
2608 | case NL80211_TDLS_SETUP: | |
2609 | case NL80211_TDLS_DISCOVERY_REQ: | |
2610 | /* We don't support in-driver setup/teardown/discovery */ | |
2611 | return -ENOTSUPP; | |
2612 | default: | |
2613 | return -ENOTSUPP; | |
2614 | } | |
2615 | ||
2616 | return 0; | |
2617 | } | |
2618 | ||
06500736 JB |
2619 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
2620 | const u8 *peer, u64 *cookie) | |
2621 | { | |
2622 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2623 | struct ieee80211_local *local = sdata->local; | |
2624 | struct ieee80211_qos_hdr *nullfunc; | |
2625 | struct sk_buff *skb; | |
2626 | int size = sizeof(*nullfunc); | |
2627 | __le16 fc; | |
2628 | bool qos; | |
2629 | struct ieee80211_tx_info *info; | |
2630 | struct sta_info *sta; | |
2631 | ||
2632 | rcu_read_lock(); | |
2633 | sta = sta_info_get(sdata, peer); | |
b4487c2d | 2634 | if (sta) { |
06500736 | 2635 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
2636 | rcu_read_unlock(); |
2637 | } else { | |
2638 | rcu_read_unlock(); | |
06500736 | 2639 | return -ENOLINK; |
b4487c2d | 2640 | } |
06500736 JB |
2641 | |
2642 | if (qos) { | |
2643 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2644 | IEEE80211_STYPE_QOS_NULLFUNC | | |
2645 | IEEE80211_FCTL_FROMDS); | |
2646 | } else { | |
2647 | size -= 2; | |
2648 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2649 | IEEE80211_STYPE_NULLFUNC | | |
2650 | IEEE80211_FCTL_FROMDS); | |
2651 | } | |
2652 | ||
2653 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
2654 | if (!skb) | |
2655 | return -ENOMEM; | |
2656 | ||
2657 | skb->dev = dev; | |
2658 | ||
2659 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2660 | ||
2661 | nullfunc = (void *) skb_put(skb, size); | |
2662 | nullfunc->frame_control = fc; | |
2663 | nullfunc->duration_id = 0; | |
2664 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
2665 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
2666 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
2667 | nullfunc->seq_ctrl = 0; | |
2668 | ||
2669 | info = IEEE80211_SKB_CB(skb); | |
2670 | ||
2671 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
2672 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
2673 | ||
2674 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
2675 | skb->priority = 7; | |
2676 | if (qos) | |
2677 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
2678 | ||
2679 | local_bh_disable(); | |
2680 | ieee80211_xmit(sdata, skb); | |
2681 | local_bh_enable(); | |
2682 | ||
2683 | *cookie = (unsigned long) skb; | |
2684 | return 0; | |
2685 | } | |
2686 | ||
e999882a JB |
2687 | static struct ieee80211_channel * |
2688 | ieee80211_wiphy_get_channel(struct wiphy *wiphy) | |
2689 | { | |
2690 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2691 | ||
2692 | return local->oper_channel; | |
2693 | } | |
2694 | ||
f0706e82 JB |
2695 | struct cfg80211_ops mac80211_config_ops = { |
2696 | .add_virtual_intf = ieee80211_add_iface, | |
2697 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2698 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2699 | .add_key = ieee80211_add_key, |
2700 | .del_key = ieee80211_del_key, | |
62da92fb | 2701 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2702 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2703 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2704 | .add_beacon = ieee80211_add_beacon, |
2705 | .set_beacon = ieee80211_set_beacon, | |
2706 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2707 | .add_station = ieee80211_add_station, |
2708 | .del_station = ieee80211_del_station, | |
2709 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2710 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2711 | .dump_station = ieee80211_dump_station, |
1289723e | 2712 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2713 | #ifdef CONFIG_MAC80211_MESH |
2714 | .add_mpath = ieee80211_add_mpath, | |
2715 | .del_mpath = ieee80211_del_mpath, | |
2716 | .change_mpath = ieee80211_change_mpath, | |
2717 | .get_mpath = ieee80211_get_mpath, | |
2718 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2719 | .update_mesh_config = ieee80211_update_mesh_config, |
2720 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2721 | .join_mesh = ieee80211_join_mesh, |
2722 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2723 | #endif |
9f1ba906 | 2724 | .change_bss = ieee80211_change_bss, |
31888487 | 2725 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2726 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2727 | .suspend = ieee80211_suspend, |
2728 | .resume = ieee80211_resume, | |
2a519311 | 2729 | .scan = ieee80211_scan, |
79f460ca LC |
2730 | .sched_scan_start = ieee80211_sched_scan_start, |
2731 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
2732 | .auth = ieee80211_auth, |
2733 | .assoc = ieee80211_assoc, | |
2734 | .deauth = ieee80211_deauth, | |
2735 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2736 | .join_ibss = ieee80211_join_ibss, |
2737 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2738 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2739 | .set_tx_power = ieee80211_set_tx_power, |
2740 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2741 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2742 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2743 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 2744 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 2745 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2746 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2747 | .remain_on_channel = ieee80211_remain_on_channel, |
2748 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2749 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2750 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2751 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2752 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2753 | .set_antenna = ieee80211_set_antenna, |
2754 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2755 | .set_ringparam = ieee80211_set_ringparam, |
2756 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 2757 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
2758 | .tdls_oper = ieee80211_tdls_oper, |
2759 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 2760 | .probe_client = ieee80211_probe_client, |
e999882a | 2761 | .get_channel = ieee80211_wiphy_get_channel, |
b53be792 | 2762 | .set_noack_map = ieee80211_set_noack_map, |
f0706e82 | 2763 | }; |