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Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
dfe018bf | 15 | #include <linux/if_ether.h> |
f0706e82 JB |
16 | #include <net/cfg80211.h> |
17 | #include "ieee80211_i.h" | |
24487981 | 18 | #include "driver-ops.h" |
e0eb6859 | 19 | #include "cfg.h" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
c5dd9c2b | 22 | |
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) | |
66 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
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 | ||
e8cbb4cb | 105 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 106 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
107 | struct key_params *params) |
108 | { | |
26a58456 | 109 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 110 | struct sta_info *sta = NULL; |
db4d1169 | 111 | struct ieee80211_key *key; |
3b96766f | 112 | int err; |
e8cbb4cb | 113 | |
26a58456 | 114 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
115 | return -ENETDOWN; |
116 | ||
97359d12 | 117 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
118 | switch (params->cipher) { |
119 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 120 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
121 | case WLAN_CIPHER_SUITE_WEP104: |
122 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
123 | return -EINVAL; | |
3cfcf6ac | 124 | break; |
e8cbb4cb | 125 | default: |
97359d12 | 126 | break; |
e8cbb4cb JB |
127 | } |
128 | ||
97359d12 JB |
129 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
130 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
131 | if (IS_ERR(key)) |
132 | return PTR_ERR(key); | |
db4d1169 | 133 | |
e31b8213 JB |
134 | if (pairwise) |
135 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
136 | ||
ad0e2b5a | 137 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 138 | |
e8cbb4cb | 139 | if (mac_addr) { |
ff973af7 TP |
140 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
141 | sta = sta_info_get(sdata, mac_addr); | |
142 | else | |
143 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 144 | if (!sta) { |
32162a4d | 145 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
146 | err = -ENOENT; |
147 | goto out_unlock; | |
db4d1169 | 148 | } |
e8cbb4cb JB |
149 | } |
150 | ||
3ffc2a90 JB |
151 | err = ieee80211_key_link(key, sdata, sta); |
152 | if (err) | |
153 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 154 | |
3b96766f | 155 | out_unlock: |
ad0e2b5a | 156 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
157 | |
158 | return err; | |
e8cbb4cb JB |
159 | } |
160 | ||
161 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 162 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 163 | { |
5c0c3641 JB |
164 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
165 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 166 | struct sta_info *sta; |
5c0c3641 | 167 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
168 | int ret; |
169 | ||
5c0c3641 JB |
170 | mutex_lock(&local->sta_mtx); |
171 | mutex_lock(&local->key_mtx); | |
3b96766f | 172 | |
e8cbb4cb | 173 | if (mac_addr) { |
3b96766f JB |
174 | ret = -ENOENT; |
175 | ||
0e5ded5a | 176 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 177 | if (!sta) |
3b96766f | 178 | goto out_unlock; |
e8cbb4cb | 179 | |
5c0c3641 | 180 | if (pairwise) |
40b275b6 | 181 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 182 | else |
40b275b6 | 183 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 184 | } else |
40b275b6 | 185 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 186 | |
5c0c3641 | 187 | if (!key) { |
3b96766f JB |
188 | ret = -ENOENT; |
189 | goto out_unlock; | |
190 | } | |
e8cbb4cb | 191 | |
5c0c3641 | 192 | __ieee80211_key_free(key); |
e8cbb4cb | 193 | |
3b96766f JB |
194 | ret = 0; |
195 | out_unlock: | |
5c0c3641 JB |
196 | mutex_unlock(&local->key_mtx); |
197 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
198 | |
199 | return ret; | |
e8cbb4cb JB |
200 | } |
201 | ||
62da92fb | 202 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
203 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
204 | void *cookie, | |
62da92fb JB |
205 | void (*callback)(void *cookie, |
206 | struct key_params *params)) | |
207 | { | |
14db74bc | 208 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
209 | struct sta_info *sta = NULL; |
210 | u8 seq[6] = {0}; | |
211 | struct key_params params; | |
e31b8213 | 212 | struct ieee80211_key *key = NULL; |
aba83a0b | 213 | u64 pn64; |
62da92fb JB |
214 | u32 iv32; |
215 | u16 iv16; | |
216 | int err = -ENOENT; | |
217 | ||
14db74bc JB |
218 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
219 | ||
3b96766f JB |
220 | rcu_read_lock(); |
221 | ||
62da92fb | 222 | if (mac_addr) { |
0e5ded5a | 223 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
224 | if (!sta) |
225 | goto out; | |
226 | ||
e31b8213 | 227 | if (pairwise) |
a3836e02 | 228 | key = rcu_dereference(sta->ptk); |
e31b8213 | 229 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 230 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 231 | } else |
a3836e02 | 232 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
233 | |
234 | if (!key) | |
235 | goto out; | |
236 | ||
237 | memset(¶ms, 0, sizeof(params)); | |
238 | ||
97359d12 | 239 | params.cipher = key->conf.cipher; |
62da92fb | 240 | |
97359d12 JB |
241 | switch (key->conf.cipher) { |
242 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
243 | iv32 = key->u.tkip.tx.iv32; |
244 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 245 | |
24487981 JB |
246 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
247 | drv_get_tkip_seq(sdata->local, | |
248 | key->conf.hw_key_idx, | |
249 | &iv32, &iv16); | |
62da92fb JB |
250 | |
251 | seq[0] = iv16 & 0xff; | |
252 | seq[1] = (iv16 >> 8) & 0xff; | |
253 | seq[2] = iv32 & 0xff; | |
254 | seq[3] = (iv32 >> 8) & 0xff; | |
255 | seq[4] = (iv32 >> 16) & 0xff; | |
256 | seq[5] = (iv32 >> 24) & 0xff; | |
257 | params.seq = seq; | |
258 | params.seq_len = 6; | |
259 | break; | |
97359d12 | 260 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
261 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
262 | seq[0] = pn64; | |
263 | seq[1] = pn64 >> 8; | |
264 | seq[2] = pn64 >> 16; | |
265 | seq[3] = pn64 >> 24; | |
266 | seq[4] = pn64 >> 32; | |
267 | seq[5] = pn64 >> 40; | |
62da92fb JB |
268 | params.seq = seq; |
269 | params.seq_len = 6; | |
270 | break; | |
97359d12 | 271 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
272 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
273 | seq[0] = pn64; | |
274 | seq[1] = pn64 >> 8; | |
275 | seq[2] = pn64 >> 16; | |
276 | seq[3] = pn64 >> 24; | |
277 | seq[4] = pn64 >> 32; | |
278 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
279 | params.seq = seq; |
280 | params.seq_len = 6; | |
281 | break; | |
62da92fb JB |
282 | } |
283 | ||
284 | params.key = key->conf.key; | |
285 | params.key_len = key->conf.keylen; | |
286 | ||
287 | callback(cookie, ¶ms); | |
288 | err = 0; | |
289 | ||
290 | out: | |
3b96766f | 291 | rcu_read_unlock(); |
62da92fb JB |
292 | return err; |
293 | } | |
294 | ||
e8cbb4cb JB |
295 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
296 | struct net_device *dev, | |
dbd2fd65 JB |
297 | u8 key_idx, bool uni, |
298 | bool multi) | |
e8cbb4cb | 299 | { |
ad0e2b5a | 300 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 301 | |
f7e0104c | 302 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
303 | |
304 | return 0; | |
305 | } | |
306 | ||
3cfcf6ac JM |
307 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
308 | struct net_device *dev, | |
309 | u8 key_idx) | |
310 | { | |
66c52421 | 311 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 312 | |
3cfcf6ac JM |
313 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
314 | ||
3cfcf6ac JM |
315 | return 0; |
316 | } | |
317 | ||
3af6334c FF |
318 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
319 | { | |
320 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
321 | struct ieee80211_supported_band *sband; | |
322 | sband = sta->local->hw.wiphy->bands[ | |
323 | sta->local->hw.conf.channel->band]; | |
324 | rate->legacy = sband->bitrates[idx].bitrate; | |
325 | } else | |
326 | rate->mcs = idx; | |
327 | } | |
328 | ||
c5dd9c2b LCC |
329 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
330 | { | |
d0709a65 | 331 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
ebe27c91 | 332 | struct timespec uptime; |
c5dd9c2b | 333 | |
f5ea9120 JB |
334 | sinfo->generation = sdata->local->sta_generation; |
335 | ||
c5dd9c2b LCC |
336 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
337 | STATION_INFO_RX_BYTES | | |
420e7fab | 338 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
339 | STATION_INFO_RX_PACKETS | |
340 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
341 | STATION_INFO_TX_RETRIES | |
342 | STATION_INFO_TX_FAILED | | |
5a5c731a | 343 | STATION_INFO_TX_BITRATE | |
3af6334c | 344 | STATION_INFO_RX_BITRATE | |
f4263c98 | 345 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 MSS |
346 | STATION_INFO_BSS_PARAM | |
347 | STATION_INFO_CONNECTED_TIME; | |
348 | ||
349 | do_posix_clock_monotonic_gettime(&uptime); | |
350 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
351 | |
352 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
353 | sinfo->rx_bytes = sta->rx_bytes; | |
354 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
355 | sinfo->rx_packets = sta->rx_packets; |
356 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
357 | sinfo->tx_retries = sta->tx_retry_count; |
358 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 359 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 360 | |
19deffbe JL |
361 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
362 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 363 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 364 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 365 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
366 | } |
367 | ||
368 | sinfo->txrate.flags = 0; | |
369 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
370 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
371 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
372 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
373 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
374 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
375 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
376 | ||
377 | sinfo->rxrate.flags = 0; | |
378 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
379 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
380 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
381 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
382 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
383 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
384 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 385 | |
902acc78 | 386 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 387 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
388 | sinfo->filled |= STATION_INFO_LLID | |
389 | STATION_INFO_PLID | | |
390 | STATION_INFO_PLINK_STATE; | |
391 | ||
392 | sinfo->llid = le16_to_cpu(sta->llid); | |
393 | sinfo->plid = le16_to_cpu(sta->plid); | |
394 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 395 | #endif |
902acc78 | 396 | } |
f4263c98 PS |
397 | |
398 | sinfo->bss_param.flags = 0; | |
399 | if (sdata->vif.bss_conf.use_cts_prot) | |
400 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
401 | if (sdata->vif.bss_conf.use_short_preamble) | |
402 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
403 | if (sdata->vif.bss_conf.use_short_slot) | |
404 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
405 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
406 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
c5dd9c2b LCC |
407 | } |
408 | ||
409 | ||
410 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
411 | int idx, u8 *mac, struct station_info *sinfo) | |
412 | { | |
3b53fde8 | 413 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 414 | struct sta_info *sta; |
d0709a65 JB |
415 | int ret = -ENOENT; |
416 | ||
417 | rcu_read_lock(); | |
c5dd9c2b | 418 | |
3b53fde8 | 419 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
420 | if (sta) { |
421 | ret = 0; | |
17741cdc | 422 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
423 | sta_set_sinfo(sta, sinfo); |
424 | } | |
c5dd9c2b | 425 | |
d0709a65 | 426 | rcu_read_unlock(); |
c5dd9c2b | 427 | |
d0709a65 | 428 | return ret; |
c5dd9c2b LCC |
429 | } |
430 | ||
1289723e HS |
431 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
432 | int idx, struct survey_info *survey) | |
433 | { | |
434 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
435 | ||
1289723e HS |
436 | return drv_get_survey(local, idx, survey); |
437 | } | |
438 | ||
7bbdd2d9 | 439 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 440 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 441 | { |
abe60632 | 442 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 443 | struct sta_info *sta; |
d0709a65 | 444 | int ret = -ENOENT; |
7bbdd2d9 | 445 | |
d0709a65 | 446 | rcu_read_lock(); |
7bbdd2d9 | 447 | |
0e5ded5a | 448 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
449 | if (sta) { |
450 | ret = 0; | |
451 | sta_set_sinfo(sta, sinfo); | |
452 | } | |
453 | ||
454 | rcu_read_unlock(); | |
455 | ||
456 | return ret; | |
7bbdd2d9 JB |
457 | } |
458 | ||
7827493b AN |
459 | static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, |
460 | struct beacon_parameters *params) | |
461 | { | |
462 | struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; | |
463 | ||
464 | bss_conf->ssid_len = params->ssid_len; | |
465 | ||
466 | if (params->ssid_len) | |
467 | memcpy(bss_conf->ssid, params->ssid, params->ssid_len); | |
468 | ||
469 | bss_conf->hidden_ssid = | |
470 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
471 | } | |
472 | ||
5dfdaf58 JB |
473 | /* |
474 | * This handles both adding a beacon and setting new beacon info | |
475 | */ | |
476 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
477 | struct beacon_parameters *params) | |
478 | { | |
479 | struct beacon_data *new, *old; | |
480 | int new_head_len, new_tail_len; | |
481 | int size; | |
482 | int err = -EINVAL; | |
483 | ||
40b275b6 | 484 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
485 | |
486 | /* head must not be zero-length */ | |
487 | if (params->head && !params->head_len) | |
488 | return -EINVAL; | |
489 | ||
490 | /* | |
491 | * This is a kludge. beacon interval should really be part | |
492 | * of the beacon information. | |
493 | */ | |
57c4d7b4 JB |
494 | if (params->interval && |
495 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
496 | sdata->vif.bss_conf.beacon_int = params->interval; | |
497 | ieee80211_bss_info_change_notify(sdata, | |
498 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
499 | } |
500 | ||
501 | /* Need to have a beacon head if we don't have one yet */ | |
502 | if (!params->head && !old) | |
503 | return err; | |
504 | ||
505 | /* sorry, no way to start beaconing without dtim period */ | |
506 | if (!params->dtim_period && !old) | |
507 | return err; | |
508 | ||
509 | /* new or old head? */ | |
510 | if (params->head) | |
511 | new_head_len = params->head_len; | |
512 | else | |
513 | new_head_len = old->head_len; | |
514 | ||
515 | /* new or old tail? */ | |
516 | if (params->tail || !old) | |
517 | /* params->tail_len will be zero for !params->tail */ | |
518 | new_tail_len = params->tail_len; | |
519 | else | |
520 | new_tail_len = old->tail_len; | |
521 | ||
522 | size = sizeof(*new) + new_head_len + new_tail_len; | |
523 | ||
524 | new = kzalloc(size, GFP_KERNEL); | |
525 | if (!new) | |
526 | return -ENOMEM; | |
527 | ||
528 | /* start filling the new info now */ | |
529 | ||
530 | /* new or old dtim period? */ | |
531 | if (params->dtim_period) | |
532 | new->dtim_period = params->dtim_period; | |
533 | else | |
534 | new->dtim_period = old->dtim_period; | |
535 | ||
536 | /* | |
537 | * pointers go into the block we allocated, | |
538 | * memory is | beacon_data | head | tail | | |
539 | */ | |
540 | new->head = ((u8 *) new) + sizeof(*new); | |
541 | new->tail = new->head + new_head_len; | |
542 | new->head_len = new_head_len; | |
543 | new->tail_len = new_tail_len; | |
544 | ||
545 | /* copy in head */ | |
546 | if (params->head) | |
547 | memcpy(new->head, params->head, new_head_len); | |
548 | else | |
549 | memcpy(new->head, old->head, new_head_len); | |
550 | ||
551 | /* copy in optional tail */ | |
552 | if (params->tail) | |
553 | memcpy(new->tail, params->tail, new_tail_len); | |
554 | else | |
555 | if (old) | |
556 | memcpy(new->tail, old->tail, new_tail_len); | |
557 | ||
19885c4f JB |
558 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
559 | ||
5dfdaf58 JB |
560 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
561 | ||
562 | synchronize_rcu(); | |
563 | ||
564 | kfree(old); | |
565 | ||
7827493b AN |
566 | ieee80211_config_ap_ssid(sdata, params); |
567 | ||
2d0ddec5 | 568 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
7827493b AN |
569 | BSS_CHANGED_BEACON | |
570 | BSS_CHANGED_SSID); | |
2d0ddec5 | 571 | return 0; |
5dfdaf58 JB |
572 | } |
573 | ||
574 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
575 | struct beacon_parameters *params) | |
576 | { | |
14db74bc | 577 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
578 | struct beacon_data *old; |
579 | ||
14db74bc JB |
580 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
581 | ||
40b275b6 | 582 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
583 | if (old) |
584 | return -EALREADY; | |
585 | ||
586 | return ieee80211_config_beacon(sdata, params); | |
587 | } | |
588 | ||
589 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
590 | struct beacon_parameters *params) | |
591 | { | |
14db74bc | 592 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
593 | struct beacon_data *old; |
594 | ||
14db74bc JB |
595 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
596 | ||
40b275b6 | 597 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
598 | if (!old) |
599 | return -ENOENT; | |
600 | ||
601 | return ieee80211_config_beacon(sdata, params); | |
602 | } | |
603 | ||
604 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
605 | { | |
14db74bc | 606 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
607 | struct beacon_data *old; |
608 | ||
14db74bc JB |
609 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
610 | ||
40b275b6 | 611 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
612 | if (!old) |
613 | return -ENOENT; | |
614 | ||
615 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
616 | synchronize_rcu(); | |
617 | kfree(old); | |
618 | ||
2d0ddec5 JB |
619 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
620 | return 0; | |
5dfdaf58 JB |
621 | } |
622 | ||
4fd6931e JB |
623 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
624 | struct iapp_layer2_update { | |
625 | u8 da[ETH_ALEN]; /* broadcast */ | |
626 | u8 sa[ETH_ALEN]; /* STA addr */ | |
627 | __be16 len; /* 6 */ | |
628 | u8 dsap; /* 0 */ | |
629 | u8 ssap; /* 0 */ | |
630 | u8 control; | |
631 | u8 xid_info[3]; | |
bc10502d | 632 | } __packed; |
4fd6931e JB |
633 | |
634 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
635 | { | |
636 | struct iapp_layer2_update *msg; | |
637 | struct sk_buff *skb; | |
638 | ||
639 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
640 | * bridge devices */ | |
641 | ||
642 | skb = dev_alloc_skb(sizeof(*msg)); | |
643 | if (!skb) | |
644 | return; | |
645 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
646 | ||
647 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
648 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
649 | ||
650 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 651 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
652 | msg->len = htons(6); |
653 | msg->dsap = 0; | |
654 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
655 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
656 | * F=0 (no poll command; unsolicited frame) */ | |
657 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
658 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
659 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
660 | ||
d0709a65 JB |
661 | skb->dev = sta->sdata->dev; |
662 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 663 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 664 | netif_rx_ni(skb); |
4fd6931e JB |
665 | } |
666 | ||
667 | static void sta_apply_parameters(struct ieee80211_local *local, | |
668 | struct sta_info *sta, | |
669 | struct station_parameters *params) | |
670 | { | |
671 | u32 rates; | |
672 | int i, j; | |
8318d78a | 673 | struct ieee80211_supported_band *sband; |
d0709a65 | 674 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 675 | u32 mask, set; |
4fd6931e | 676 | |
ae5eb026 JB |
677 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
678 | ||
eccb8e8f JB |
679 | mask = params->sta_flags_mask; |
680 | set = params->sta_flags_set; | |
73651ee6 | 681 | |
eccb8e8f | 682 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 683 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
c2c98fde JB |
684 | set_sta_flag(sta, WLAN_STA_AUTHORIZED); |
685 | else | |
686 | clear_sta_flag(sta, WLAN_STA_AUTHORIZED); | |
eccb8e8f | 687 | } |
4fd6931e | 688 | |
eccb8e8f | 689 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 690 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
691 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
692 | else | |
693 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 694 | } |
4fd6931e | 695 | |
eccb8e8f | 696 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 697 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 698 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 699 | sta->sta.wme = true; |
c2c98fde JB |
700 | } else { |
701 | clear_sta_flag(sta, WLAN_STA_WME); | |
702 | sta->sta.wme = false; | |
39df600a | 703 | } |
eccb8e8f | 704 | } |
5394af4d | 705 | |
eccb8e8f | 706 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 707 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
708 | set_sta_flag(sta, WLAN_STA_MFP); |
709 | else | |
710 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 711 | } |
b39c48fa JC |
712 | |
713 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
b39c48fa | 714 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) |
c2c98fde JB |
715 | set_sta_flag(sta, WLAN_STA_AUTH); |
716 | else | |
717 | clear_sta_flag(sta, WLAN_STA_AUTH); | |
b39c48fa | 718 | } |
07ba55d7 AN |
719 | |
720 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { | |
07ba55d7 | 721 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
722 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
723 | else | |
724 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 725 | } |
4fd6931e | 726 | |
3b9ce80c JB |
727 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
728 | sta->sta.uapsd_queues = params->uapsd_queues; | |
729 | sta->sta.max_sp = params->max_sp; | |
730 | } | |
9533b4ac | 731 | |
51b50fbe JB |
732 | /* |
733 | * cfg80211 validates this (1-2007) and allows setting the AID | |
734 | * only when creating a new station entry | |
735 | */ | |
736 | if (params->aid) | |
737 | sta->sta.aid = params->aid; | |
738 | ||
73651ee6 JB |
739 | /* |
740 | * FIXME: updating the following information is racy when this | |
741 | * function is called from ieee80211_change_station(). | |
742 | * However, all this information should be static so | |
743 | * maybe we should just reject attemps to change it. | |
744 | */ | |
745 | ||
4fd6931e JB |
746 | if (params->listen_interval >= 0) |
747 | sta->listen_interval = params->listen_interval; | |
748 | ||
749 | if (params->supported_rates) { | |
750 | rates = 0; | |
8318d78a | 751 | |
4fd6931e JB |
752 | for (i = 0; i < params->supported_rates_len; i++) { |
753 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
754 | for (j = 0; j < sband->n_bitrates; j++) { |
755 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
756 | rates |= BIT(j); |
757 | } | |
758 | } | |
323ce79a | 759 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 760 | } |
c5dd9c2b | 761 | |
d9fe60de | 762 | if (params->ht_capa) |
ae5eb026 JB |
763 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
764 | params->ht_capa, | |
d9fe60de | 765 | &sta->sta.ht_cap); |
36aedc90 | 766 | |
9c3990aa | 767 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 768 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
769 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
770 | switch (params->plink_state) { | |
57cf8043 JC |
771 | case NL80211_PLINK_LISTEN: |
772 | case NL80211_PLINK_ESTAB: | |
773 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
774 | sta->plink_state = params->plink_state; |
775 | break; | |
776 | default: | |
777 | /* nothing */ | |
778 | break; | |
779 | } | |
780 | else | |
781 | switch (params->plink_action) { | |
782 | case PLINK_ACTION_OPEN: | |
783 | mesh_plink_open(sta); | |
784 | break; | |
785 | case PLINK_ACTION_BLOCK: | |
786 | mesh_plink_block(sta); | |
787 | break; | |
788 | } | |
4daf50f2 | 789 | #endif |
902acc78 | 790 | } |
4fd6931e JB |
791 | } |
792 | ||
793 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
794 | u8 *mac, struct station_parameters *params) | |
795 | { | |
14db74bc | 796 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
797 | struct sta_info *sta; |
798 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 799 | int err; |
b8d476c8 | 800 | int layer2_update; |
4fd6931e | 801 | |
4fd6931e JB |
802 | if (params->vlan) { |
803 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
804 | ||
05c914fe JB |
805 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
806 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
807 | return -EINVAL; |
808 | } else | |
809 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
810 | ||
47846c9b | 811 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
812 | return -EINVAL; |
813 | ||
814 | if (is_multicast_ether_addr(mac)) | |
815 | return -EINVAL; | |
816 | ||
817 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
818 | if (!sta) |
819 | return -ENOMEM; | |
4fd6931e | 820 | |
c2c98fde JB |
821 | set_sta_flag(sta, WLAN_STA_AUTH); |
822 | set_sta_flag(sta, WLAN_STA_ASSOC); | |
4fd6931e JB |
823 | |
824 | sta_apply_parameters(local, sta, params); | |
825 | ||
07ba55d7 | 826 | /* Only TDLS-supporting stations can add TDLS peers */ |
c2c98fde | 827 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
07ba55d7 AN |
828 | !((wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
829 | sdata->vif.type == NL80211_IFTYPE_STATION)) | |
830 | return -ENOTSUPP; | |
831 | ||
4b7679a5 | 832 | rate_control_rate_init(sta); |
4fd6931e | 833 | |
b8d476c8 JM |
834 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
835 | sdata->vif.type == NL80211_IFTYPE_AP; | |
836 | ||
34e89507 | 837 | err = sta_info_insert_rcu(sta); |
73651ee6 | 838 | if (err) { |
73651ee6 JB |
839 | rcu_read_unlock(); |
840 | return err; | |
841 | } | |
842 | ||
b8d476c8 | 843 | if (layer2_update) |
73651ee6 JB |
844 | ieee80211_send_layer2_update(sta); |
845 | ||
846 | rcu_read_unlock(); | |
847 | ||
4fd6931e JB |
848 | return 0; |
849 | } | |
850 | ||
851 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
852 | u8 *mac) | |
853 | { | |
14db74bc JB |
854 | struct ieee80211_local *local = wiphy_priv(wiphy); |
855 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 856 | |
14db74bc JB |
857 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
858 | ||
34e89507 JB |
859 | if (mac) |
860 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 861 | |
34e89507 | 862 | sta_info_flush(local, sdata); |
4fd6931e JB |
863 | return 0; |
864 | } | |
865 | ||
866 | static int ieee80211_change_station(struct wiphy *wiphy, | |
867 | struct net_device *dev, | |
868 | u8 *mac, | |
869 | struct station_parameters *params) | |
870 | { | |
abe60632 | 871 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 872 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
873 | struct sta_info *sta; |
874 | struct ieee80211_sub_if_data *vlansdata; | |
875 | ||
98dd6a57 JB |
876 | rcu_read_lock(); |
877 | ||
0e5ded5a | 878 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
879 | if (!sta) { |
880 | rcu_read_unlock(); | |
4fd6931e | 881 | return -ENOENT; |
98dd6a57 | 882 | } |
4fd6931e | 883 | |
07ba55d7 AN |
884 | /* The TDLS bit cannot be toggled after the STA was added */ |
885 | if ((params->sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) && | |
886 | !!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) != | |
c2c98fde | 887 | !!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
07ba55d7 AN |
888 | rcu_read_unlock(); |
889 | return -EINVAL; | |
890 | } | |
891 | ||
d0709a65 | 892 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
893 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
894 | ||
05c914fe JB |
895 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
896 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 897 | rcu_read_unlock(); |
4fd6931e | 898 | return -EINVAL; |
98dd6a57 | 899 | } |
4fd6931e | 900 | |
9bc383de | 901 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
902 | if (vlansdata->u.vlan.sta) { |
903 | rcu_read_unlock(); | |
f14543ee | 904 | return -EBUSY; |
3305443c | 905 | } |
f14543ee FF |
906 | |
907 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
908 | } | |
909 | ||
14db74bc | 910 | sta->sdata = vlansdata; |
4fd6931e JB |
911 | ieee80211_send_layer2_update(sta); |
912 | } | |
913 | ||
914 | sta_apply_parameters(local, sta, params); | |
915 | ||
98dd6a57 JB |
916 | rcu_read_unlock(); |
917 | ||
808118cb JY |
918 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
919 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
920 | ieee80211_recalc_ps(local, -1); | |
921 | ||
4fd6931e JB |
922 | return 0; |
923 | } | |
924 | ||
c5dd9c2b LCC |
925 | #ifdef CONFIG_MAC80211_MESH |
926 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
927 | u8 *dst, u8 *next_hop) | |
928 | { | |
14db74bc | 929 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
930 | struct mesh_path *mpath; |
931 | struct sta_info *sta; | |
932 | int err; | |
933 | ||
14db74bc JB |
934 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
935 | ||
d0709a65 | 936 | rcu_read_lock(); |
abe60632 | 937 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
938 | if (!sta) { |
939 | rcu_read_unlock(); | |
c5dd9c2b | 940 | return -ENOENT; |
d0709a65 | 941 | } |
c5dd9c2b | 942 | |
f698d856 | 943 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
944 | if (err) { |
945 | rcu_read_unlock(); | |
c5dd9c2b | 946 | return err; |
d0709a65 | 947 | } |
c5dd9c2b | 948 | |
f698d856 | 949 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
950 | if (!mpath) { |
951 | rcu_read_unlock(); | |
c5dd9c2b LCC |
952 | return -ENXIO; |
953 | } | |
954 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 955 | |
c5dd9c2b LCC |
956 | rcu_read_unlock(); |
957 | return 0; | |
958 | } | |
959 | ||
960 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
961 | u8 *dst) | |
962 | { | |
f698d856 JBG |
963 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
964 | ||
c5dd9c2b | 965 | if (dst) |
f698d856 | 966 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 967 | |
ece1a2e7 | 968 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
969 | return 0; |
970 | } | |
971 | ||
972 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
973 | struct net_device *dev, | |
974 | u8 *dst, u8 *next_hop) | |
975 | { | |
14db74bc | 976 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
977 | struct mesh_path *mpath; |
978 | struct sta_info *sta; | |
979 | ||
14db74bc JB |
980 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
981 | ||
d0709a65 JB |
982 | rcu_read_lock(); |
983 | ||
abe60632 | 984 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
985 | if (!sta) { |
986 | rcu_read_unlock(); | |
c5dd9c2b | 987 | return -ENOENT; |
d0709a65 | 988 | } |
c5dd9c2b | 989 | |
f698d856 | 990 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
991 | if (!mpath) { |
992 | rcu_read_unlock(); | |
c5dd9c2b LCC |
993 | return -ENOENT; |
994 | } | |
995 | ||
996 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 997 | |
c5dd9c2b LCC |
998 | rcu_read_unlock(); |
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1003 | struct mpath_info *pinfo) | |
1004 | { | |
a3836e02 JB |
1005 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1006 | ||
1007 | if (next_hop_sta) | |
1008 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1009 | else |
1010 | memset(next_hop, 0, ETH_ALEN); | |
1011 | ||
f5ea9120 JB |
1012 | pinfo->generation = mesh_paths_generation; |
1013 | ||
c5dd9c2b | 1014 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1015 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1016 | MPATH_INFO_METRIC | |
1017 | MPATH_INFO_EXPTIME | | |
1018 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1019 | MPATH_INFO_DISCOVERY_RETRIES | | |
1020 | MPATH_INFO_FLAGS; | |
1021 | ||
1022 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1023 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1024 | pinfo->metric = mpath->metric; |
1025 | if (time_before(jiffies, mpath->exp_time)) | |
1026 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1027 | pinfo->discovery_timeout = | |
1028 | jiffies_to_msecs(mpath->discovery_timeout); | |
1029 | pinfo->discovery_retries = mpath->discovery_retries; | |
1030 | pinfo->flags = 0; | |
1031 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1032 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1033 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1034 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1035 | if (mpath->flags & MESH_PATH_SN_VALID) |
1036 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1037 | if (mpath->flags & MESH_PATH_FIXED) |
1038 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1039 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1040 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1041 | ||
1042 | pinfo->flags = mpath->flags; | |
1043 | } | |
1044 | ||
1045 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1046 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1047 | ||
1048 | { | |
14db74bc | 1049 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1050 | struct mesh_path *mpath; |
1051 | ||
14db74bc JB |
1052 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1053 | ||
c5dd9c2b | 1054 | rcu_read_lock(); |
f698d856 | 1055 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1056 | if (!mpath) { |
1057 | rcu_read_unlock(); | |
1058 | return -ENOENT; | |
1059 | } | |
1060 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1061 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1062 | rcu_read_unlock(); | |
1063 | return 0; | |
1064 | } | |
1065 | ||
1066 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1067 | int idx, u8 *dst, u8 *next_hop, | |
1068 | struct mpath_info *pinfo) | |
1069 | { | |
14db74bc | 1070 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1071 | struct mesh_path *mpath; |
1072 | ||
14db74bc JB |
1073 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1074 | ||
c5dd9c2b | 1075 | rcu_read_lock(); |
f698d856 | 1076 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1077 | if (!mpath) { |
1078 | rcu_read_unlock(); | |
1079 | return -ENOENT; | |
1080 | } | |
1081 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1082 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1083 | rcu_read_unlock(); | |
1084 | return 0; | |
1085 | } | |
93da9cc1 | 1086 | |
24bdd9f4 | 1087 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1088 | struct net_device *dev, |
1089 | struct mesh_config *conf) | |
1090 | { | |
1091 | struct ieee80211_sub_if_data *sdata; | |
1092 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1093 | ||
93da9cc1 | 1094 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1099 | { | |
1100 | return (mask >> (parm-1)) & 0x1; | |
1101 | } | |
1102 | ||
c80d545d JC |
1103 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1104 | const struct mesh_setup *setup) | |
1105 | { | |
1106 | u8 *new_ie; | |
1107 | const u8 *old_ie; | |
1108 | ||
581a8b0f | 1109 | /* allocate information elements */ |
c80d545d | 1110 | new_ie = NULL; |
581a8b0f | 1111 | old_ie = ifmsh->ie; |
c80d545d | 1112 | |
581a8b0f JC |
1113 | if (setup->ie_len) { |
1114 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1115 | GFP_KERNEL); |
1116 | if (!new_ie) | |
1117 | return -ENOMEM; | |
1118 | } | |
581a8b0f JC |
1119 | ifmsh->ie_len = setup->ie_len; |
1120 | ifmsh->ie = new_ie; | |
1121 | kfree(old_ie); | |
c80d545d JC |
1122 | |
1123 | /* now copy the rest of the setup parameters */ | |
1124 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1125 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1126 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1127 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1128 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1129 | if (setup->is_authenticated) | |
1130 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1131 | if (setup->is_secure) | |
1132 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d JC |
1133 | |
1134 | return 0; | |
1135 | } | |
1136 | ||
24bdd9f4 | 1137 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1138 | struct net_device *dev, u32 mask, |
1139 | const struct mesh_config *nconf) | |
93da9cc1 | 1140 | { |
1141 | struct mesh_config *conf; | |
1142 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1143 | struct ieee80211_if_mesh *ifmsh; |
1144 | ||
93da9cc1 | 1145 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1146 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1147 | |
93da9cc1 | 1148 | /* Set the config options which we are interested in setting */ |
1149 | conf = &(sdata->u.mesh.mshcfg); | |
1150 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1151 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1152 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1153 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1154 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1155 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1156 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1157 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1158 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1159 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1160 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1161 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1162 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1163 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1164 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1165 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1166 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1167 | conf->dot11MeshHWMPmaxPREQretries = | |
1168 | nconf->dot11MeshHWMPmaxPREQretries; | |
1169 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1170 | conf->path_refresh_time = nconf->path_refresh_time; | |
1171 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1172 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1173 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1174 | conf->dot11MeshHWMPactivePathTimeout = | |
1175 | nconf->dot11MeshHWMPactivePathTimeout; | |
1176 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1177 | conf->dot11MeshHWMPpreqMinInterval = | |
1178 | nconf->dot11MeshHWMPpreqMinInterval; | |
1179 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1180 | mask)) | |
1181 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1182 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1183 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1184 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1185 | ieee80211_mesh_root_setup(ifmsh); | |
1186 | } | |
16dd7267 | 1187 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1188 | /* our current gate announcement implementation rides on root |
1189 | * announcements, so require this ifmsh to also be a root node | |
1190 | * */ | |
1191 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
1192 | !conf->dot11MeshHWMPRootMode) { | |
1193 | conf->dot11MeshHWMPRootMode = 1; | |
1194 | ieee80211_mesh_root_setup(ifmsh); | |
1195 | } | |
16dd7267 JC |
1196 | conf->dot11MeshGateAnnouncementProtocol = |
1197 | nconf->dot11MeshGateAnnouncementProtocol; | |
1198 | } | |
0507e159 JC |
1199 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { |
1200 | conf->dot11MeshHWMPRannInterval = | |
1201 | nconf->dot11MeshHWMPRannInterval; | |
1202 | } | |
93da9cc1 | 1203 | return 0; |
1204 | } | |
1205 | ||
29cbe68c JB |
1206 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1207 | const struct mesh_config *conf, | |
1208 | const struct mesh_setup *setup) | |
1209 | { | |
1210 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1211 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1212 | int err; |
29cbe68c | 1213 | |
c80d545d JC |
1214 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1215 | err = copy_mesh_setup(ifmsh, setup); | |
1216 | if (err) | |
1217 | return err; | |
29cbe68c JB |
1218 | ieee80211_start_mesh(sdata); |
1219 | ||
1220 | return 0; | |
1221 | } | |
1222 | ||
1223 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1224 | { | |
1225 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1226 | ||
1227 | ieee80211_stop_mesh(sdata); | |
1228 | ||
1229 | return 0; | |
1230 | } | |
c5dd9c2b LCC |
1231 | #endif |
1232 | ||
9f1ba906 JM |
1233 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1234 | struct net_device *dev, | |
1235 | struct bss_parameters *params) | |
1236 | { | |
9f1ba906 JM |
1237 | struct ieee80211_sub_if_data *sdata; |
1238 | u32 changed = 0; | |
1239 | ||
9f1ba906 JM |
1240 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1241 | ||
9f1ba906 | 1242 | if (params->use_cts_prot >= 0) { |
bda3933a | 1243 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1244 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1245 | } | |
1246 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1247 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1248 | params->use_short_preamble; |
1249 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1250 | } | |
43d35343 FF |
1251 | |
1252 | if (!sdata->vif.bss_conf.use_short_slot && | |
1253 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1254 | sdata->vif.bss_conf.use_short_slot = true; | |
1255 | changed |= BSS_CHANGED_ERP_SLOT; | |
1256 | } | |
1257 | ||
9f1ba906 | 1258 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1259 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1260 | params->use_short_slot_time; |
1261 | changed |= BSS_CHANGED_ERP_SLOT; | |
1262 | } | |
1263 | ||
90c97a04 JM |
1264 | if (params->basic_rates) { |
1265 | int i, j; | |
1266 | u32 rates = 0; | |
1267 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1268 | struct ieee80211_supported_band *sband = | |
1269 | wiphy->bands[local->oper_channel->band]; | |
1270 | ||
1271 | for (i = 0; i < params->basic_rates_len; i++) { | |
1272 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1273 | for (j = 0; j < sband->n_bitrates; j++) { | |
1274 | if (sband->bitrates[j].bitrate == rate) | |
1275 | rates |= BIT(j); | |
1276 | } | |
1277 | } | |
1278 | sdata->vif.bss_conf.basic_rates = rates; | |
1279 | changed |= BSS_CHANGED_BASIC_RATES; | |
1280 | } | |
1281 | ||
7b7b5e56 FF |
1282 | if (params->ap_isolate >= 0) { |
1283 | if (params->ap_isolate) | |
1284 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1285 | else | |
1286 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1287 | } | |
1288 | ||
80d7e403 HS |
1289 | if (params->ht_opmode >= 0) { |
1290 | sdata->vif.bss_conf.ht_operation_mode = | |
1291 | (u16) params->ht_opmode; | |
1292 | changed |= BSS_CHANGED_HT; | |
1293 | } | |
1294 | ||
9f1ba906 JM |
1295 | ieee80211_bss_info_change_notify(sdata, changed); |
1296 | ||
1297 | return 0; | |
1298 | } | |
1299 | ||
31888487 | 1300 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1301 | struct net_device *dev, |
31888487 JM |
1302 | struct ieee80211_txq_params *params) |
1303 | { | |
1304 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1305 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1306 | struct ieee80211_tx_queue_params p; |
1307 | ||
1308 | if (!local->ops->conf_tx) | |
1309 | return -EOPNOTSUPP; | |
1310 | ||
1311 | memset(&p, 0, sizeof(p)); | |
1312 | p.aifs = params->aifs; | |
1313 | p.cw_max = params->cwmax; | |
1314 | p.cw_min = params->cwmin; | |
1315 | p.txop = params->txop; | |
ab13315a KV |
1316 | |
1317 | /* | |
1318 | * Setting tx queue params disables u-apsd because it's only | |
1319 | * called in master mode. | |
1320 | */ | |
1321 | p.uapsd = false; | |
1322 | ||
2683d65b EP |
1323 | if (params->queue >= local->hw.queues) |
1324 | return -EINVAL; | |
1325 | ||
f6f3def3 EP |
1326 | sdata->tx_conf[params->queue] = p; |
1327 | if (drv_conf_tx(local, sdata, params->queue, &p)) { | |
0fb9a9ec JP |
1328 | wiphy_debug(local->hw.wiphy, |
1329 | "failed to set TX queue parameters for queue %d\n", | |
1330 | params->queue); | |
31888487 JM |
1331 | return -EINVAL; |
1332 | } | |
1333 | ||
1334 | return 0; | |
1335 | } | |
1336 | ||
72bdcf34 | 1337 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1338 | struct net_device *netdev, |
72bdcf34 | 1339 | struct ieee80211_channel *chan, |
094d05dc | 1340 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1341 | { |
1342 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1343 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1344 | struct ieee80211_channel *old_oper; |
1345 | enum nl80211_channel_type old_oper_type; | |
1346 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1347 | |
1348 | if (netdev) | |
1349 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1350 | |
f444de05 JB |
1351 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1352 | case CHAN_MODE_HOPPING: | |
1353 | return -EBUSY; | |
1354 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1355 | if (local->oper_channel != chan) |
1356 | return -EBUSY; | |
1357 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1358 | return 0; |
0aaffa9b | 1359 | break; |
f444de05 JB |
1360 | case CHAN_MODE_UNDEFINED: |
1361 | break; | |
1362 | } | |
72bdcf34 | 1363 | |
eeabee7e BG |
1364 | if (sdata) |
1365 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1366 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1367 | |
0aaffa9b JB |
1368 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1369 | return -EBUSY; | |
1370 | ||
eeabee7e BG |
1371 | old_oper = local->oper_channel; |
1372 | local->oper_channel = chan; | |
1373 | ||
1374 | /* Update driver if changes were actually made. */ | |
1375 | if ((old_oper != local->oper_channel) || | |
1376 | (old_oper_type != local->_oper_channel_type)) | |
1377 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1378 | ||
1379 | if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && | |
1380 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) | |
0aaffa9b JB |
1381 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1382 | ||
1383 | return 0; | |
72bdcf34 JM |
1384 | } |
1385 | ||
665af4fc | 1386 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1387 | static int ieee80211_suspend(struct wiphy *wiphy, |
1388 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1389 | { |
eecc4800 | 1390 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1391 | } |
1392 | ||
1393 | static int ieee80211_resume(struct wiphy *wiphy) | |
1394 | { | |
1395 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1396 | } | |
1397 | #else | |
1398 | #define ieee80211_suspend NULL | |
1399 | #define ieee80211_resume NULL | |
1400 | #endif | |
1401 | ||
2a519311 JB |
1402 | static int ieee80211_scan(struct wiphy *wiphy, |
1403 | struct net_device *dev, | |
1404 | struct cfg80211_scan_request *req) | |
1405 | { | |
2ca27bcf | 1406 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1407 | |
2ca27bcf JB |
1408 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1409 | case NL80211_IFTYPE_STATION: | |
1410 | case NL80211_IFTYPE_ADHOC: | |
1411 | case NL80211_IFTYPE_MESH_POINT: | |
1412 | case NL80211_IFTYPE_P2P_CLIENT: | |
1413 | break; | |
1414 | case NL80211_IFTYPE_P2P_GO: | |
1415 | if (sdata->local->ops->hw_scan) | |
1416 | break; | |
e9d7732e JB |
1417 | /* |
1418 | * FIXME: implement NoA while scanning in software, | |
1419 | * for now fall through to allow scanning only when | |
1420 | * beaconing hasn't been configured yet | |
1421 | */ | |
2ca27bcf JB |
1422 | case NL80211_IFTYPE_AP: |
1423 | if (sdata->u.ap.beacon) | |
1424 | return -EOPNOTSUPP; | |
1425 | break; | |
1426 | default: | |
1427 | return -EOPNOTSUPP; | |
1428 | } | |
2a519311 JB |
1429 | |
1430 | return ieee80211_request_scan(sdata, req); | |
1431 | } | |
1432 | ||
79f460ca LC |
1433 | static int |
1434 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1435 | struct net_device *dev, | |
1436 | struct cfg80211_sched_scan_request *req) | |
1437 | { | |
1438 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1439 | ||
1440 | if (!sdata->local->ops->sched_scan_start) | |
1441 | return -EOPNOTSUPP; | |
1442 | ||
1443 | return ieee80211_request_sched_scan_start(sdata, req); | |
1444 | } | |
1445 | ||
1446 | static int | |
85a9994a | 1447 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1448 | { |
1449 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1450 | ||
1451 | if (!sdata->local->ops->sched_scan_stop) | |
1452 | return -EOPNOTSUPP; | |
1453 | ||
85a9994a | 1454 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1455 | } |
1456 | ||
636a5d36 JM |
1457 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1458 | struct cfg80211_auth_request *req) | |
1459 | { | |
77fdaa12 | 1460 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1461 | } |
1462 | ||
1463 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1464 | struct cfg80211_assoc_request *req) | |
1465 | { | |
f444de05 JB |
1466 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1467 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1468 | ||
1469 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1470 | case CHAN_MODE_HOPPING: | |
1471 | return -EBUSY; | |
1472 | case CHAN_MODE_FIXED: | |
1473 | if (local->oper_channel == req->bss->channel) | |
1474 | break; | |
1475 | return -EBUSY; | |
1476 | case CHAN_MODE_UNDEFINED: | |
1477 | break; | |
1478 | } | |
1479 | ||
77fdaa12 | 1480 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1481 | } |
1482 | ||
1483 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1484 | struct cfg80211_deauth_request *req, |
1485 | void *cookie) | |
636a5d36 | 1486 | { |
667503dd JB |
1487 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1488 | req, cookie); | |
636a5d36 JM |
1489 | } |
1490 | ||
1491 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1492 | struct cfg80211_disassoc_request *req, |
1493 | void *cookie) | |
636a5d36 | 1494 | { |
667503dd JB |
1495 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1496 | req, cookie); | |
636a5d36 JM |
1497 | } |
1498 | ||
af8cdcd8 JB |
1499 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1500 | struct cfg80211_ibss_params *params) | |
1501 | { | |
f444de05 | 1502 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1503 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1504 | ||
f444de05 JB |
1505 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1506 | case CHAN_MODE_HOPPING: | |
1507 | return -EBUSY; | |
1508 | case CHAN_MODE_FIXED: | |
1509 | if (!params->channel_fixed) | |
1510 | return -EBUSY; | |
1511 | if (local->oper_channel == params->channel) | |
1512 | break; | |
1513 | return -EBUSY; | |
1514 | case CHAN_MODE_UNDEFINED: | |
1515 | break; | |
1516 | } | |
1517 | ||
af8cdcd8 JB |
1518 | return ieee80211_ibss_join(sdata, params); |
1519 | } | |
1520 | ||
1521 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1522 | { | |
1523 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1524 | ||
1525 | return ieee80211_ibss_leave(sdata); | |
1526 | } | |
1527 | ||
b9a5f8ca JM |
1528 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1529 | { | |
1530 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1531 | int err; |
b9a5f8ca | 1532 | |
f23a4780 AN |
1533 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1534 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1535 | ||
1536 | if (err) | |
1537 | return err; | |
1538 | } | |
1539 | ||
310bc676 LT |
1540 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1541 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1542 | ||
1543 | if (err) | |
1544 | return err; | |
1545 | } | |
1546 | ||
b9a5f8ca | 1547 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1548 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1549 | |
24487981 JB |
1550 | if (err) |
1551 | return err; | |
b9a5f8ca JM |
1552 | } |
1553 | ||
1554 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1555 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1556 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1557 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1558 | if (changed & | |
1559 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1560 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1561 | ||
1562 | return 0; | |
1563 | } | |
1564 | ||
7643a2c3 | 1565 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1566 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1567 | { |
1568 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1569 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1570 | u32 changes = 0; | |
7643a2c3 JB |
1571 | |
1572 | switch (type) { | |
fa61cf70 | 1573 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1574 | local->user_power_level = -1; |
1575 | break; | |
fa61cf70 JO |
1576 | case NL80211_TX_POWER_LIMITED: |
1577 | if (mbm < 0 || (mbm % 100)) | |
1578 | return -EOPNOTSUPP; | |
1579 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1580 | break; |
fa61cf70 JO |
1581 | case NL80211_TX_POWER_FIXED: |
1582 | if (mbm < 0 || (mbm % 100)) | |
1583 | return -EOPNOTSUPP; | |
7643a2c3 | 1584 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1585 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1586 | return -EINVAL; |
fa61cf70 | 1587 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1588 | break; |
7643a2c3 JB |
1589 | } |
1590 | ||
1591 | ieee80211_hw_config(local, changes); | |
1592 | ||
1593 | return 0; | |
1594 | } | |
1595 | ||
1596 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1597 | { | |
1598 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1599 | ||
1600 | *dbm = local->hw.conf.power_level; | |
1601 | ||
7643a2c3 JB |
1602 | return 0; |
1603 | } | |
1604 | ||
ab737a4f | 1605 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1606 | const u8 *addr) |
ab737a4f JB |
1607 | { |
1608 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1609 | ||
1610 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1611 | ||
1612 | return 0; | |
1613 | } | |
1614 | ||
1f87f7d3 JB |
1615 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1616 | { | |
1617 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1618 | ||
1619 | drv_rfkill_poll(local); | |
1620 | } | |
1621 | ||
aff89a9b | 1622 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1623 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1624 | { |
1625 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1626 | ||
1627 | if (!local->ops->testmode_cmd) | |
1628 | return -EOPNOTSUPP; | |
1629 | ||
1630 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1631 | } | |
71063f0e WYG |
1632 | |
1633 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
1634 | struct sk_buff *skb, | |
1635 | struct netlink_callback *cb, | |
1636 | void *data, int len) | |
1637 | { | |
1638 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1639 | ||
1640 | if (!local->ops->testmode_dump) | |
1641 | return -EOPNOTSUPP; | |
1642 | ||
1643 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
1644 | } | |
aff89a9b JB |
1645 | #endif |
1646 | ||
0f78231b JB |
1647 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1648 | enum ieee80211_smps_mode smps_mode) | |
1649 | { | |
1650 | const u8 *ap; | |
1651 | enum ieee80211_smps_mode old_req; | |
1652 | int err; | |
1653 | ||
243e6df4 JB |
1654 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1655 | ||
0f78231b JB |
1656 | old_req = sdata->u.mgd.req_smps; |
1657 | sdata->u.mgd.req_smps = smps_mode; | |
1658 | ||
1659 | if (old_req == smps_mode && | |
1660 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1661 | return 0; | |
1662 | ||
1663 | /* | |
1664 | * If not associated, or current association is not an HT | |
1665 | * association, there's no need to send an action frame. | |
1666 | */ | |
1667 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1668 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1669 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1670 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1671 | mutex_unlock(&sdata->local->iflist_mtx); |
1672 | return 0; | |
1673 | } | |
1674 | ||
0c1ad2ca | 1675 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1676 | |
1677 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1678 | if (sdata->u.mgd.powersave) | |
1679 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1680 | else | |
1681 | smps_mode = IEEE80211_SMPS_OFF; | |
1682 | } | |
1683 | ||
1684 | /* send SM PS frame to AP */ | |
1685 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1686 | ap, ap); | |
1687 | if (err) | |
1688 | sdata->u.mgd.req_smps = old_req; | |
1689 | ||
1690 | return err; | |
1691 | } | |
1692 | ||
bc92afd9 JB |
1693 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1694 | bool enabled, int timeout) | |
1695 | { | |
1696 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1697 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1698 | |
e5de30c9 BP |
1699 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1700 | return -EOPNOTSUPP; | |
1701 | ||
bc92afd9 JB |
1702 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1703 | return -EOPNOTSUPP; | |
1704 | ||
1705 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1706 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1707 | return 0; |
1708 | ||
1709 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1710 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1711 | |
0f78231b JB |
1712 | /* no change, but if automatic follow powersave */ |
1713 | mutex_lock(&sdata->u.mgd.mtx); | |
1714 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1715 | mutex_unlock(&sdata->u.mgd.mtx); | |
1716 | ||
bc92afd9 JB |
1717 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1718 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1719 | ||
1720 | ieee80211_recalc_ps(local, -1); | |
1721 | ||
1722 | return 0; | |
1723 | } | |
1724 | ||
a97c13c3 JO |
1725 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1726 | struct net_device *dev, | |
1727 | s32 rssi_thold, u32 rssi_hyst) | |
1728 | { | |
1729 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1730 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1731 | struct ieee80211_vif *vif = &sdata->vif; | |
1732 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1733 | ||
a97c13c3 JO |
1734 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1735 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1736 | return 0; | |
1737 | ||
1738 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1739 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1740 | ||
17e4ec14 JM |
1741 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1742 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1743 | return -EOPNOTSUPP; | |
1744 | return 0; | |
1745 | } | |
1746 | ||
a97c13c3 JO |
1747 | /* tell the driver upon association, unless already associated */ |
1748 | if (sdata->u.mgd.associated) | |
1749 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1750 | ||
1751 | return 0; | |
1752 | } | |
1753 | ||
9930380f JB |
1754 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1755 | struct net_device *dev, | |
1756 | const u8 *addr, | |
1757 | const struct cfg80211_bitrate_mask *mask) | |
1758 | { | |
1759 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1760 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 1761 | int i, ret; |
2c7e6bc9 | 1762 | |
bdbfd6b5 SM |
1763 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
1764 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
1765 | if (ret) | |
1766 | return ret; | |
1767 | } | |
9930380f | 1768 | |
37eb0b16 JM |
1769 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1770 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1771 | |
37eb0b16 | 1772 | return 0; |
9930380f JB |
1773 | } |
1774 | ||
21f83589 JB |
1775 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1776 | struct net_device *dev, | |
1777 | struct ieee80211_channel *chan, | |
1778 | enum nl80211_channel_type chantype, | |
1779 | unsigned int duration, u64 *cookie) | |
1780 | { | |
1781 | int ret; | |
1782 | u32 random_cookie; | |
1783 | ||
1784 | lockdep_assert_held(&local->mtx); | |
1785 | ||
1786 | if (local->hw_roc_cookie) | |
1787 | return -EBUSY; | |
1788 | /* must be nonzero */ | |
1789 | random_cookie = random32() | 1; | |
1790 | ||
1791 | *cookie = random_cookie; | |
1792 | local->hw_roc_dev = dev; | |
1793 | local->hw_roc_cookie = random_cookie; | |
1794 | local->hw_roc_channel = chan; | |
1795 | local->hw_roc_channel_type = chantype; | |
1796 | local->hw_roc_duration = duration; | |
1797 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1798 | if (ret) { | |
1799 | local->hw_roc_channel = NULL; | |
1800 | local->hw_roc_cookie = 0; | |
1801 | } | |
1802 | ||
1803 | return ret; | |
1804 | } | |
1805 | ||
b8bc4b0a JB |
1806 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1807 | struct net_device *dev, | |
1808 | struct ieee80211_channel *chan, | |
1809 | enum nl80211_channel_type channel_type, | |
1810 | unsigned int duration, | |
1811 | u64 *cookie) | |
1812 | { | |
1813 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1814 | struct ieee80211_local *local = sdata->local; |
1815 | ||
1816 | if (local->ops->remain_on_channel) { | |
1817 | int ret; | |
1818 | ||
1819 | mutex_lock(&local->mtx); | |
1820 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1821 | chan, channel_type, | |
1822 | duration, cookie); | |
90fc4b3a | 1823 | local->hw_roc_for_tx = false; |
21f83589 JB |
1824 | mutex_unlock(&local->mtx); |
1825 | ||
1826 | return ret; | |
1827 | } | |
b8bc4b0a JB |
1828 | |
1829 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1830 | duration, cookie); | |
1831 | } | |
1832 | ||
21f83589 JB |
1833 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1834 | u64 cookie) | |
1835 | { | |
1836 | int ret; | |
1837 | ||
1838 | lockdep_assert_held(&local->mtx); | |
1839 | ||
1840 | if (local->hw_roc_cookie != cookie) | |
1841 | return -ENOENT; | |
1842 | ||
1843 | ret = drv_cancel_remain_on_channel(local); | |
1844 | if (ret) | |
1845 | return ret; | |
1846 | ||
1847 | local->hw_roc_cookie = 0; | |
1848 | local->hw_roc_channel = NULL; | |
1849 | ||
1850 | ieee80211_recalc_idle(local); | |
1851 | ||
1852 | return 0; | |
1853 | } | |
1854 | ||
b8bc4b0a JB |
1855 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1856 | struct net_device *dev, | |
1857 | u64 cookie) | |
1858 | { | |
1859 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1860 | struct ieee80211_local *local = sdata->local; |
1861 | ||
1862 | if (local->ops->cancel_remain_on_channel) { | |
1863 | int ret; | |
1864 | ||
1865 | mutex_lock(&local->mtx); | |
1866 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1867 | mutex_unlock(&local->mtx); | |
1868 | ||
1869 | return ret; | |
1870 | } | |
b8bc4b0a JB |
1871 | |
1872 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1873 | } | |
1874 | ||
f30221e4 JB |
1875 | static enum work_done_result |
1876 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1877 | { | |
1878 | /* | |
1879 | * Use the data embedded in the work struct for reporting | |
1880 | * here so if the driver mangled the SKB before dropping | |
1881 | * it (which is the only way we really should get here) | |
1882 | * then we don't report mangled data. | |
1883 | * | |
1884 | * If there was no wait time, then by the time we get here | |
1885 | * the driver will likely not have reported the status yet, | |
1886 | * so in that case userspace will have to deal with it. | |
1887 | */ | |
1888 | ||
28a1bcdb | 1889 | if (wk->offchan_tx.wait && !wk->offchan_tx.status) |
f30221e4 JB |
1890 | cfg80211_mgmt_tx_status(wk->sdata->dev, |
1891 | (unsigned long) wk->offchan_tx.frame, | |
1892 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1893 | ||
1894 | return WORK_DONE_DESTROY; | |
1895 | } | |
1896 | ||
2e161f78 | 1897 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1898 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1899 | enum nl80211_channel_type channel_type, |
f7ca38df | 1900 | bool channel_type_valid, unsigned int wait, |
e9f935e3 RM |
1901 | const u8 *buf, size_t len, bool no_cck, |
1902 | u64 *cookie) | |
026331c4 | 1903 | { |
9d38d85d JB |
1904 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1905 | struct ieee80211_local *local = sdata->local; | |
1906 | struct sk_buff *skb; | |
1907 | struct sta_info *sta; | |
f30221e4 | 1908 | struct ieee80211_work *wk; |
9d38d85d JB |
1909 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1910 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1911 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1912 | bool is_offchan = false; |
f7ca38df | 1913 | |
9d38d85d JB |
1914 | /* Check that we are on the requested channel for transmission */ |
1915 | if (chan != local->tmp_channel && | |
1916 | chan != local->oper_channel) | |
f30221e4 | 1917 | is_offchan = true; |
9d38d85d JB |
1918 | if (channel_type_valid && |
1919 | (channel_type != local->tmp_channel_type && | |
1920 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1921 | is_offchan = true; |
1922 | ||
21f83589 JB |
1923 | if (chan == local->hw_roc_channel) { |
1924 | /* TODO: check channel type? */ | |
1925 | is_offchan = false; | |
1926 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1927 | } | |
1928 | ||
aad14ceb RM |
1929 | if (no_cck) |
1930 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
1931 | ||
f30221e4 | 1932 | if (is_offchan && !offchan) |
9d38d85d JB |
1933 | return -EBUSY; |
1934 | ||
1935 | switch (sdata->vif.type) { | |
1936 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1937 | case NL80211_IFTYPE_AP: |
1938 | case NL80211_IFTYPE_AP_VLAN: | |
1939 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 1940 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
1941 | if (!ieee80211_is_action(mgmt->frame_control) || |
1942 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1943 | break; |
1944 | rcu_read_lock(); | |
1945 | sta = sta_info_get(sdata, mgmt->da); | |
1946 | rcu_read_unlock(); | |
1947 | if (!sta) | |
1948 | return -ENOLINK; | |
1949 | break; | |
1950 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1951 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1952 | break; |
1953 | default: | |
1954 | return -EOPNOTSUPP; | |
1955 | } | |
1956 | ||
1957 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1958 | if (!skb) | |
1959 | return -ENOMEM; | |
1960 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1961 | ||
1962 | memcpy(skb_put(skb, len), buf, len); | |
1963 | ||
1964 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1965 | ||
1966 | skb->dev = sdata->dev; | |
9d38d85d JB |
1967 | |
1968 | *cookie = (unsigned long) skb; | |
f30221e4 | 1969 | |
90fc4b3a JB |
1970 | if (is_offchan && local->ops->remain_on_channel) { |
1971 | unsigned int duration; | |
1972 | int ret; | |
1973 | ||
1974 | mutex_lock(&local->mtx); | |
1975 | /* | |
1976 | * If the duration is zero, then the driver | |
1977 | * wouldn't actually do anything. Set it to | |
1978 | * 100 for now. | |
1979 | * | |
1980 | * TODO: cancel the off-channel operation | |
1981 | * when we get the SKB's TX status and | |
1982 | * the wait time was zero before. | |
1983 | */ | |
1984 | duration = 100; | |
1985 | if (wait) | |
1986 | duration = wait; | |
1987 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
1988 | channel_type, | |
1989 | duration, cookie); | |
1990 | if (ret) { | |
1991 | kfree_skb(skb); | |
1992 | mutex_unlock(&local->mtx); | |
1993 | return ret; | |
1994 | } | |
1995 | ||
1996 | local->hw_roc_for_tx = true; | |
1997 | local->hw_roc_duration = wait; | |
1998 | ||
1999 | /* | |
2000 | * queue up frame for transmission after | |
2001 | * ieee80211_ready_on_channel call | |
2002 | */ | |
2003 | ||
2004 | /* modify cookie to prevent API mismatches */ | |
2005 | *cookie ^= 2; | |
2006 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
2007 | local->hw_roc_skb = skb; | |
4334ec85 | 2008 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
2009 | mutex_unlock(&local->mtx); |
2010 | ||
2011 | return 0; | |
2012 | } | |
2013 | ||
f30221e4 JB |
2014 | /* |
2015 | * Can transmit right away if the channel was the | |
2016 | * right one and there's no wait involved... If a | |
2017 | * wait is involved, we might otherwise not be on | |
2018 | * the right channel for long enough! | |
2019 | */ | |
2020 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
2021 | ieee80211_tx_skb(sdata, skb); | |
2022 | return 0; | |
2023 | } | |
2024 | ||
2025 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
2026 | if (!wk) { | |
2027 | kfree_skb(skb); | |
2028 | return -ENOMEM; | |
2029 | } | |
2030 | ||
2031 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
2032 | wk->chan = chan; | |
4d51e149 | 2033 | wk->chan_type = channel_type; |
f30221e4 JB |
2034 | wk->sdata = sdata; |
2035 | wk->done = ieee80211_offchan_tx_done; | |
2036 | wk->offchan_tx.frame = skb; | |
2037 | wk->offchan_tx.wait = wait; | |
2038 | wk->ie_len = len; | |
2039 | memcpy(wk->ie, buf, len); | |
2040 | ||
2041 | ieee80211_add_work(wk); | |
9d38d85d | 2042 | return 0; |
026331c4 JM |
2043 | } |
2044 | ||
f30221e4 JB |
2045 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
2046 | struct net_device *dev, | |
2047 | u64 cookie) | |
2048 | { | |
2049 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2050 | struct ieee80211_local *local = sdata->local; | |
2051 | struct ieee80211_work *wk; | |
2052 | int ret = -ENOENT; | |
2053 | ||
2054 | mutex_lock(&local->mtx); | |
90fc4b3a JB |
2055 | |
2056 | if (local->ops->cancel_remain_on_channel) { | |
2057 | cookie ^= 2; | |
2058 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2059 | ||
2060 | if (ret == 0) { | |
2061 | kfree_skb(local->hw_roc_skb); | |
2062 | local->hw_roc_skb = NULL; | |
4334ec85 | 2063 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
2064 | } |
2065 | ||
2066 | mutex_unlock(&local->mtx); | |
2067 | ||
2068 | return ret; | |
2069 | } | |
2070 | ||
f30221e4 JB |
2071 | list_for_each_entry(wk, &local->work_list, list) { |
2072 | if (wk->sdata != sdata) | |
2073 | continue; | |
2074 | ||
2075 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
2076 | continue; | |
2077 | ||
2078 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
2079 | continue; | |
2080 | ||
2081 | wk->timeout = jiffies; | |
2082 | ||
2083 | ieee80211_queue_work(&local->hw, &local->work_work); | |
2084 | ret = 0; | |
2085 | break; | |
2086 | } | |
2087 | mutex_unlock(&local->mtx); | |
2088 | ||
2089 | return ret; | |
2090 | } | |
2091 | ||
7be5086d JB |
2092 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2093 | struct net_device *dev, | |
2094 | u16 frame_type, bool reg) | |
2095 | { | |
2096 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2097 | ||
2098 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2099 | return; | |
2100 | ||
2101 | if (reg) | |
2102 | local->probe_req_reg++; | |
2103 | else | |
2104 | local->probe_req_reg--; | |
2105 | ||
2106 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2107 | } | |
2108 | ||
15d96753 BR |
2109 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2110 | { | |
2111 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2112 | ||
2113 | if (local->started) | |
2114 | return -EOPNOTSUPP; | |
2115 | ||
2116 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2117 | } | |
2118 | ||
2119 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2120 | { | |
2121 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2122 | ||
2123 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2124 | } | |
2125 | ||
38c09159 JL |
2126 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2127 | { | |
2128 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2129 | ||
2130 | return drv_set_ringparam(local, tx, rx); | |
2131 | } | |
2132 | ||
2133 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2134 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2135 | { | |
2136 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2137 | ||
2138 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2139 | } | |
2140 | ||
c68f4b89 JB |
2141 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2142 | struct net_device *dev, | |
2143 | struct cfg80211_gtk_rekey_data *data) | |
2144 | { | |
2145 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2146 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2147 | ||
2148 | if (!local->ops->set_rekey_data) | |
2149 | return -EOPNOTSUPP; | |
2150 | ||
2151 | drv_set_rekey_data(local, sdata, data); | |
2152 | ||
2153 | return 0; | |
2154 | } | |
2155 | ||
dfe018bf AN |
2156 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2157 | { | |
2158 | u8 *pos = (void *)skb_put(skb, 7); | |
2159 | ||
2160 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2161 | *pos++ = 5; /* len */ | |
2162 | *pos++ = 0x0; | |
2163 | *pos++ = 0x0; | |
2164 | *pos++ = 0x0; | |
2165 | *pos++ = 0x0; | |
2166 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2167 | } | |
2168 | ||
2169 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2170 | { | |
2171 | struct ieee80211_local *local = sdata->local; | |
2172 | u16 capab; | |
2173 | ||
2174 | capab = 0; | |
2175 | if (local->oper_channel->band != IEEE80211_BAND_2GHZ) | |
2176 | return capab; | |
2177 | ||
2178 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2179 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2180 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2181 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2182 | ||
2183 | return capab; | |
2184 | } | |
2185 | ||
2186 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2187 | u8 *peer, u8 *bssid) | |
2188 | { | |
2189 | struct ieee80211_tdls_lnkie *lnkid; | |
2190 | ||
2191 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2192 | ||
2193 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2194 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2195 | ||
2196 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2197 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2198 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2199 | } | |
2200 | ||
2201 | static int | |
2202 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2203 | u8 *peer, u8 action_code, u8 dialog_token, | |
2204 | u16 status_code, struct sk_buff *skb) | |
2205 | { | |
2206 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2207 | struct ieee80211_tdls_data *tf; | |
2208 | ||
2209 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2210 | ||
2211 | memcpy(tf->da, peer, ETH_ALEN); | |
2212 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2213 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2214 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2215 | ||
2216 | switch (action_code) { | |
2217 | case WLAN_TDLS_SETUP_REQUEST: | |
2218 | tf->category = WLAN_CATEGORY_TDLS; | |
2219 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2220 | ||
2221 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2222 | tf->u.setup_req.dialog_token = dialog_token; | |
2223 | tf->u.setup_req.capability = | |
2224 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2225 | ||
2226 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2227 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2228 | ieee80211_tdls_add_ext_capab(skb); | |
2229 | break; | |
2230 | case WLAN_TDLS_SETUP_RESPONSE: | |
2231 | tf->category = WLAN_CATEGORY_TDLS; | |
2232 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2233 | ||
2234 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2235 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2236 | tf->u.setup_resp.dialog_token = dialog_token; | |
2237 | tf->u.setup_resp.capability = | |
2238 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2239 | ||
2240 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2241 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2242 | ieee80211_tdls_add_ext_capab(skb); | |
2243 | break; | |
2244 | case WLAN_TDLS_SETUP_CONFIRM: | |
2245 | tf->category = WLAN_CATEGORY_TDLS; | |
2246 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2247 | ||
2248 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2249 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2250 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2251 | break; | |
2252 | case WLAN_TDLS_TEARDOWN: | |
2253 | tf->category = WLAN_CATEGORY_TDLS; | |
2254 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2255 | ||
2256 | skb_put(skb, sizeof(tf->u.teardown)); | |
2257 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2258 | break; | |
2259 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2260 | tf->category = WLAN_CATEGORY_TDLS; | |
2261 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2262 | ||
2263 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2264 | tf->u.discover_req.dialog_token = dialog_token; | |
2265 | break; | |
2266 | default: | |
2267 | return -EINVAL; | |
2268 | } | |
2269 | ||
2270 | return 0; | |
2271 | } | |
2272 | ||
2273 | static int | |
2274 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2275 | u8 *peer, u8 action_code, u8 dialog_token, | |
2276 | u16 status_code, struct sk_buff *skb) | |
2277 | { | |
2278 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2279 | struct ieee80211_mgmt *mgmt; | |
2280 | ||
2281 | mgmt = (void *)skb_put(skb, 24); | |
2282 | memset(mgmt, 0, 24); | |
2283 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2284 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2285 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2286 | ||
2287 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2288 | IEEE80211_STYPE_ACTION); | |
2289 | ||
2290 | switch (action_code) { | |
2291 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2292 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2293 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2294 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2295 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2296 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2297 | dialog_token; | |
2298 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2299 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2300 | ||
2301 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2302 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2303 | ieee80211_tdls_add_ext_capab(skb); | |
2304 | break; | |
2305 | default: | |
2306 | return -EINVAL; | |
2307 | } | |
2308 | ||
2309 | return 0; | |
2310 | } | |
2311 | ||
2312 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2313 | u8 *peer, u8 action_code, u8 dialog_token, | |
2314 | u16 status_code, const u8 *extra_ies, | |
2315 | size_t extra_ies_len) | |
2316 | { | |
2317 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2318 | struct ieee80211_local *local = sdata->local; | |
2319 | struct ieee80211_tx_info *info; | |
2320 | struct sk_buff *skb = NULL; | |
2321 | bool send_direct; | |
2322 | int ret; | |
2323 | ||
2324 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2325 | return -ENOTSUPP; | |
2326 | ||
2327 | /* make sure we are in managed mode, and associated */ | |
2328 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2329 | !sdata->u.mgd.associated) | |
2330 | return -EINVAL; | |
2331 | ||
2332 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2333 | printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer); | |
2334 | #endif | |
2335 | ||
2336 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2337 | max(sizeof(struct ieee80211_mgmt), | |
2338 | sizeof(struct ieee80211_tdls_data)) + | |
2339 | 50 + /* supported rates */ | |
2340 | 7 + /* ext capab */ | |
2341 | extra_ies_len + | |
2342 | sizeof(struct ieee80211_tdls_lnkie)); | |
2343 | if (!skb) | |
2344 | return -ENOMEM; | |
2345 | ||
2346 | info = IEEE80211_SKB_CB(skb); | |
2347 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2348 | ||
2349 | switch (action_code) { | |
2350 | case WLAN_TDLS_SETUP_REQUEST: | |
2351 | case WLAN_TDLS_SETUP_RESPONSE: | |
2352 | case WLAN_TDLS_SETUP_CONFIRM: | |
2353 | case WLAN_TDLS_TEARDOWN: | |
2354 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2355 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2356 | action_code, dialog_token, | |
2357 | status_code, skb); | |
2358 | send_direct = false; | |
2359 | break; | |
2360 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2361 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2362 | dialog_token, status_code, | |
2363 | skb); | |
2364 | send_direct = true; | |
2365 | break; | |
2366 | default: | |
2367 | ret = -ENOTSUPP; | |
2368 | break; | |
2369 | } | |
2370 | ||
2371 | if (ret < 0) | |
2372 | goto fail; | |
2373 | ||
2374 | if (extra_ies_len) | |
2375 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2376 | ||
2377 | /* the TDLS link IE is always added last */ | |
2378 | switch (action_code) { | |
2379 | case WLAN_TDLS_SETUP_REQUEST: | |
2380 | case WLAN_TDLS_SETUP_CONFIRM: | |
2381 | case WLAN_TDLS_TEARDOWN: | |
2382 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2383 | /* we are the initiator */ | |
2384 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2385 | sdata->u.mgd.bssid); | |
2386 | break; | |
2387 | case WLAN_TDLS_SETUP_RESPONSE: | |
2388 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2389 | /* we are the responder */ | |
2390 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2391 | sdata->u.mgd.bssid); | |
2392 | break; | |
2393 | default: | |
2394 | ret = -ENOTSUPP; | |
2395 | goto fail; | |
2396 | } | |
2397 | ||
2398 | if (send_direct) { | |
2399 | ieee80211_tx_skb(sdata, skb); | |
2400 | return 0; | |
2401 | } | |
2402 | ||
2403 | /* | |
2404 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2405 | * we should default to AC_VI. | |
2406 | */ | |
2407 | switch (action_code) { | |
2408 | case WLAN_TDLS_SETUP_REQUEST: | |
2409 | case WLAN_TDLS_SETUP_RESPONSE: | |
2410 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2411 | skb->priority = 2; | |
2412 | break; | |
2413 | default: | |
2414 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2415 | skb->priority = 5; | |
2416 | break; | |
2417 | } | |
2418 | ||
2419 | /* disable bottom halves when entering the Tx path */ | |
2420 | local_bh_disable(); | |
2421 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2422 | local_bh_enable(); | |
2423 | ||
2424 | return ret; | |
2425 | ||
2426 | fail: | |
2427 | dev_kfree_skb(skb); | |
2428 | return ret; | |
2429 | } | |
2430 | ||
2431 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2432 | u8 *peer, enum nl80211_tdls_operation oper) | |
2433 | { | |
941c93cd | 2434 | struct sta_info *sta; |
dfe018bf AN |
2435 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2436 | ||
2437 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2438 | return -ENOTSUPP; | |
2439 | ||
2440 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2441 | return -EINVAL; | |
2442 | ||
2443 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2444 | printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer); | |
2445 | #endif | |
2446 | ||
2447 | switch (oper) { | |
2448 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2449 | rcu_read_lock(); |
2450 | sta = sta_info_get(sdata, peer); | |
2451 | if (!sta) { | |
2452 | rcu_read_unlock(); | |
2453 | return -ENOLINK; | |
2454 | } | |
2455 | ||
c2c98fde | 2456 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2457 | rcu_read_unlock(); |
dfe018bf AN |
2458 | break; |
2459 | case NL80211_TDLS_DISABLE_LINK: | |
2460 | return sta_info_destroy_addr(sdata, peer); | |
2461 | case NL80211_TDLS_TEARDOWN: | |
2462 | case NL80211_TDLS_SETUP: | |
2463 | case NL80211_TDLS_DISCOVERY_REQ: | |
2464 | /* We don't support in-driver setup/teardown/discovery */ | |
2465 | return -ENOTSUPP; | |
2466 | default: | |
2467 | return -ENOTSUPP; | |
2468 | } | |
2469 | ||
2470 | return 0; | |
2471 | } | |
2472 | ||
f0706e82 JB |
2473 | struct cfg80211_ops mac80211_config_ops = { |
2474 | .add_virtual_intf = ieee80211_add_iface, | |
2475 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2476 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2477 | .add_key = ieee80211_add_key, |
2478 | .del_key = ieee80211_del_key, | |
62da92fb | 2479 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2480 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2481 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2482 | .add_beacon = ieee80211_add_beacon, |
2483 | .set_beacon = ieee80211_set_beacon, | |
2484 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2485 | .add_station = ieee80211_add_station, |
2486 | .del_station = ieee80211_del_station, | |
2487 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2488 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2489 | .dump_station = ieee80211_dump_station, |
1289723e | 2490 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2491 | #ifdef CONFIG_MAC80211_MESH |
2492 | .add_mpath = ieee80211_add_mpath, | |
2493 | .del_mpath = ieee80211_del_mpath, | |
2494 | .change_mpath = ieee80211_change_mpath, | |
2495 | .get_mpath = ieee80211_get_mpath, | |
2496 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2497 | .update_mesh_config = ieee80211_update_mesh_config, |
2498 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2499 | .join_mesh = ieee80211_join_mesh, |
2500 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2501 | #endif |
9f1ba906 | 2502 | .change_bss = ieee80211_change_bss, |
31888487 | 2503 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2504 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2505 | .suspend = ieee80211_suspend, |
2506 | .resume = ieee80211_resume, | |
2a519311 | 2507 | .scan = ieee80211_scan, |
79f460ca LC |
2508 | .sched_scan_start = ieee80211_sched_scan_start, |
2509 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
2510 | .auth = ieee80211_auth, |
2511 | .assoc = ieee80211_assoc, | |
2512 | .deauth = ieee80211_deauth, | |
2513 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2514 | .join_ibss = ieee80211_join_ibss, |
2515 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2516 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2517 | .set_tx_power = ieee80211_set_tx_power, |
2518 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2519 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2520 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2521 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 2522 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 2523 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2524 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2525 | .remain_on_channel = ieee80211_remain_on_channel, |
2526 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2527 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2528 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2529 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2530 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2531 | .set_antenna = ieee80211_set_antenna, |
2532 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2533 | .set_ringparam = ieee80211_set_ringparam, |
2534 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 2535 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
2536 | .tdls_oper = ieee80211_tdls_oper, |
2537 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
f0706e82 | 2538 | }; |