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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) | |
a9b3cd7f | 66 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
67 | else if (type == NL80211_IFTYPE_STATION && |
68 | params && params->use_4addr >= 0) | |
69 | sdata->u.mgd.use_4addr = params->use_4addr; | |
70 | ||
85416a4f CL |
71 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
72 | struct ieee80211_local *local = sdata->local; | |
73 | ||
74 | if (ieee80211_sdata_running(sdata)) { | |
75 | /* | |
76 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
77 | * changed while the interface is up. | |
78 | * Else we would need to add a lot of cruft | |
79 | * to update everything: | |
80 | * cooked_mntrs, monitor and all fif_* counters | |
81 | * reconfigure hardware | |
82 | */ | |
83 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
84 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
85 | return -EBUSY; | |
86 | ||
87 | ieee80211_adjust_monitor_flags(sdata, -1); | |
88 | sdata->u.mntr_flags = *flags; | |
89 | ieee80211_adjust_monitor_flags(sdata, 1); | |
90 | ||
91 | ieee80211_configure_filter(local); | |
92 | } else { | |
93 | /* | |
94 | * Because the interface is down, ieee80211_do_stop | |
95 | * and ieee80211_do_open take care of "everything" | |
96 | * mentioned in the comment above. | |
97 | */ | |
98 | sdata->u.mntr_flags = *flags; | |
99 | } | |
100 | } | |
f7917af9 | 101 | |
42613db7 JB |
102 | return 0; |
103 | } | |
104 | ||
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 | 346 | STATION_INFO_BSS_PARAM | |
7a724767 HS |
347 | STATION_INFO_CONNECTED_TIME | |
348 | STATION_INFO_STA_FLAGS; | |
ebe27c91 MSS |
349 | |
350 | do_posix_clock_monotonic_gettime(&uptime); | |
351 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
352 | |
353 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
354 | sinfo->rx_bytes = sta->rx_bytes; | |
355 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
356 | sinfo->rx_packets = sta->rx_packets; |
357 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
358 | sinfo->tx_retries = sta->tx_retry_count; |
359 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 360 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 361 | |
19deffbe JL |
362 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
363 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 364 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 365 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 366 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
367 | } |
368 | ||
369 | sinfo->txrate.flags = 0; | |
370 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
371 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
372 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
373 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
374 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
375 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
376 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
377 | ||
378 | sinfo->rxrate.flags = 0; | |
379 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
380 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
381 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
382 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
383 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
384 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
385 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 386 | |
902acc78 | 387 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 388 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
389 | sinfo->filled |= STATION_INFO_LLID | |
390 | STATION_INFO_PLID | | |
391 | STATION_INFO_PLINK_STATE; | |
392 | ||
393 | sinfo->llid = le16_to_cpu(sta->llid); | |
394 | sinfo->plid = le16_to_cpu(sta->plid); | |
395 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 396 | #endif |
902acc78 | 397 | } |
f4263c98 PS |
398 | |
399 | sinfo->bss_param.flags = 0; | |
400 | if (sdata->vif.bss_conf.use_cts_prot) | |
401 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
402 | if (sdata->vif.bss_conf.use_short_preamble) | |
403 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
404 | if (sdata->vif.bss_conf.use_short_slot) | |
405 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
406 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
407 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
408 | |
409 | sinfo->sta_flags.set = 0; | |
410 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
411 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
412 | BIT(NL80211_STA_FLAG_WME) | | |
413 | BIT(NL80211_STA_FLAG_MFP) | | |
414 | BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
415 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) | |
416 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
417 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
418 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
419 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
420 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
421 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
422 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
423 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
424 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
c5dd9c2b LCC |
425 | } |
426 | ||
427 | ||
428 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
429 | int idx, u8 *mac, struct station_info *sinfo) | |
430 | { | |
3b53fde8 | 431 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 432 | struct sta_info *sta; |
d0709a65 JB |
433 | int ret = -ENOENT; |
434 | ||
435 | rcu_read_lock(); | |
c5dd9c2b | 436 | |
3b53fde8 | 437 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
438 | if (sta) { |
439 | ret = 0; | |
17741cdc | 440 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
441 | sta_set_sinfo(sta, sinfo); |
442 | } | |
c5dd9c2b | 443 | |
d0709a65 | 444 | rcu_read_unlock(); |
c5dd9c2b | 445 | |
d0709a65 | 446 | return ret; |
c5dd9c2b LCC |
447 | } |
448 | ||
1289723e HS |
449 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
450 | int idx, struct survey_info *survey) | |
451 | { | |
452 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
453 | ||
1289723e HS |
454 | return drv_get_survey(local, idx, survey); |
455 | } | |
456 | ||
7bbdd2d9 | 457 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 458 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 459 | { |
abe60632 | 460 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 461 | struct sta_info *sta; |
d0709a65 | 462 | int ret = -ENOENT; |
7bbdd2d9 | 463 | |
d0709a65 | 464 | rcu_read_lock(); |
7bbdd2d9 | 465 | |
0e5ded5a | 466 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
467 | if (sta) { |
468 | ret = 0; | |
469 | sta_set_sinfo(sta, sinfo); | |
470 | } | |
471 | ||
472 | rcu_read_unlock(); | |
473 | ||
474 | return ret; | |
7bbdd2d9 JB |
475 | } |
476 | ||
7827493b AN |
477 | static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, |
478 | struct beacon_parameters *params) | |
479 | { | |
480 | struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; | |
481 | ||
482 | bss_conf->ssid_len = params->ssid_len; | |
483 | ||
484 | if (params->ssid_len) | |
485 | memcpy(bss_conf->ssid, params->ssid, params->ssid_len); | |
486 | ||
487 | bss_conf->hidden_ssid = | |
488 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
489 | } | |
490 | ||
5dfdaf58 JB |
491 | /* |
492 | * This handles both adding a beacon and setting new beacon info | |
493 | */ | |
494 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
495 | struct beacon_parameters *params) | |
496 | { | |
497 | struct beacon_data *new, *old; | |
498 | int new_head_len, new_tail_len; | |
499 | int size; | |
500 | int err = -EINVAL; | |
501 | ||
40b275b6 | 502 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
503 | |
504 | /* head must not be zero-length */ | |
505 | if (params->head && !params->head_len) | |
506 | return -EINVAL; | |
507 | ||
508 | /* | |
509 | * This is a kludge. beacon interval should really be part | |
510 | * of the beacon information. | |
511 | */ | |
57c4d7b4 JB |
512 | if (params->interval && |
513 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
514 | sdata->vif.bss_conf.beacon_int = params->interval; | |
515 | ieee80211_bss_info_change_notify(sdata, | |
516 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
517 | } |
518 | ||
519 | /* Need to have a beacon head if we don't have one yet */ | |
520 | if (!params->head && !old) | |
521 | return err; | |
522 | ||
523 | /* sorry, no way to start beaconing without dtim period */ | |
524 | if (!params->dtim_period && !old) | |
525 | return err; | |
526 | ||
527 | /* new or old head? */ | |
528 | if (params->head) | |
529 | new_head_len = params->head_len; | |
530 | else | |
531 | new_head_len = old->head_len; | |
532 | ||
533 | /* new or old tail? */ | |
534 | if (params->tail || !old) | |
535 | /* params->tail_len will be zero for !params->tail */ | |
536 | new_tail_len = params->tail_len; | |
537 | else | |
538 | new_tail_len = old->tail_len; | |
539 | ||
540 | size = sizeof(*new) + new_head_len + new_tail_len; | |
541 | ||
542 | new = kzalloc(size, GFP_KERNEL); | |
543 | if (!new) | |
544 | return -ENOMEM; | |
545 | ||
546 | /* start filling the new info now */ | |
547 | ||
548 | /* new or old dtim period? */ | |
549 | if (params->dtim_period) | |
550 | new->dtim_period = params->dtim_period; | |
551 | else | |
552 | new->dtim_period = old->dtim_period; | |
553 | ||
554 | /* | |
555 | * pointers go into the block we allocated, | |
556 | * memory is | beacon_data | head | tail | | |
557 | */ | |
558 | new->head = ((u8 *) new) + sizeof(*new); | |
559 | new->tail = new->head + new_head_len; | |
560 | new->head_len = new_head_len; | |
561 | new->tail_len = new_tail_len; | |
562 | ||
563 | /* copy in head */ | |
564 | if (params->head) | |
565 | memcpy(new->head, params->head, new_head_len); | |
566 | else | |
567 | memcpy(new->head, old->head, new_head_len); | |
568 | ||
569 | /* copy in optional tail */ | |
570 | if (params->tail) | |
571 | memcpy(new->tail, params->tail, new_tail_len); | |
572 | else | |
573 | if (old) | |
574 | memcpy(new->tail, old->tail, new_tail_len); | |
575 | ||
19885c4f JB |
576 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
577 | ||
a9b3cd7f | 578 | RCU_INIT_POINTER(sdata->u.ap.beacon, new); |
5dfdaf58 JB |
579 | |
580 | synchronize_rcu(); | |
581 | ||
582 | kfree(old); | |
583 | ||
7827493b AN |
584 | ieee80211_config_ap_ssid(sdata, params); |
585 | ||
2d0ddec5 | 586 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
7827493b AN |
587 | BSS_CHANGED_BEACON | |
588 | BSS_CHANGED_SSID); | |
2d0ddec5 | 589 | return 0; |
5dfdaf58 JB |
590 | } |
591 | ||
592 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
593 | struct beacon_parameters *params) | |
594 | { | |
14db74bc | 595 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
596 | struct beacon_data *old; |
597 | ||
14db74bc JB |
598 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
599 | ||
40b275b6 | 600 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
601 | if (old) |
602 | return -EALREADY; | |
603 | ||
604 | return ieee80211_config_beacon(sdata, params); | |
605 | } | |
606 | ||
607 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
608 | struct beacon_parameters *params) | |
609 | { | |
14db74bc | 610 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
611 | struct beacon_data *old; |
612 | ||
14db74bc JB |
613 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
614 | ||
40b275b6 | 615 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
616 | if (!old) |
617 | return -ENOENT; | |
618 | ||
619 | return ieee80211_config_beacon(sdata, params); | |
620 | } | |
621 | ||
622 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
623 | { | |
14db74bc | 624 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
625 | struct beacon_data *old; |
626 | ||
14db74bc JB |
627 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
628 | ||
40b275b6 | 629 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
630 | if (!old) |
631 | return -ENOENT; | |
632 | ||
a9b3cd7f | 633 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
5dfdaf58 JB |
634 | synchronize_rcu(); |
635 | kfree(old); | |
636 | ||
2d0ddec5 JB |
637 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
638 | return 0; | |
5dfdaf58 JB |
639 | } |
640 | ||
4fd6931e JB |
641 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
642 | struct iapp_layer2_update { | |
643 | u8 da[ETH_ALEN]; /* broadcast */ | |
644 | u8 sa[ETH_ALEN]; /* STA addr */ | |
645 | __be16 len; /* 6 */ | |
646 | u8 dsap; /* 0 */ | |
647 | u8 ssap; /* 0 */ | |
648 | u8 control; | |
649 | u8 xid_info[3]; | |
bc10502d | 650 | } __packed; |
4fd6931e JB |
651 | |
652 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
653 | { | |
654 | struct iapp_layer2_update *msg; | |
655 | struct sk_buff *skb; | |
656 | ||
657 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
658 | * bridge devices */ | |
659 | ||
660 | skb = dev_alloc_skb(sizeof(*msg)); | |
661 | if (!skb) | |
662 | return; | |
663 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
664 | ||
665 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
666 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
667 | ||
668 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 669 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
670 | msg->len = htons(6); |
671 | msg->dsap = 0; | |
672 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
673 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
674 | * F=0 (no poll command; unsolicited frame) */ | |
675 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
676 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
677 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
678 | ||
d0709a65 JB |
679 | skb->dev = sta->sdata->dev; |
680 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 681 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 682 | netif_rx_ni(skb); |
4fd6931e JB |
683 | } |
684 | ||
685 | static void sta_apply_parameters(struct ieee80211_local *local, | |
686 | struct sta_info *sta, | |
687 | struct station_parameters *params) | |
688 | { | |
689 | u32 rates; | |
690 | int i, j; | |
8318d78a | 691 | struct ieee80211_supported_band *sband; |
d0709a65 | 692 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 693 | u32 mask, set; |
4fd6931e | 694 | |
ae5eb026 JB |
695 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
696 | ||
eccb8e8f JB |
697 | mask = params->sta_flags_mask; |
698 | set = params->sta_flags_set; | |
73651ee6 | 699 | |
eccb8e8f | 700 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 701 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
c2c98fde JB |
702 | set_sta_flag(sta, WLAN_STA_AUTHORIZED); |
703 | else | |
704 | clear_sta_flag(sta, WLAN_STA_AUTHORIZED); | |
eccb8e8f | 705 | } |
4fd6931e | 706 | |
eccb8e8f | 707 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 708 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
709 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
710 | else | |
711 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 712 | } |
4fd6931e | 713 | |
eccb8e8f | 714 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 715 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 716 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 717 | sta->sta.wme = true; |
c2c98fde JB |
718 | } else { |
719 | clear_sta_flag(sta, WLAN_STA_WME); | |
720 | sta->sta.wme = false; | |
39df600a | 721 | } |
eccb8e8f | 722 | } |
5394af4d | 723 | |
eccb8e8f | 724 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 725 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
726 | set_sta_flag(sta, WLAN_STA_MFP); |
727 | else | |
728 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 729 | } |
b39c48fa JC |
730 | |
731 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
b39c48fa | 732 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) |
c2c98fde JB |
733 | set_sta_flag(sta, WLAN_STA_AUTH); |
734 | else | |
735 | clear_sta_flag(sta, WLAN_STA_AUTH); | |
b39c48fa | 736 | } |
4fd6931e | 737 | |
07ba55d7 | 738 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 739 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
740 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
741 | else | |
742 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 743 | } |
4fd6931e | 744 | |
3b9ce80c JB |
745 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
746 | sta->sta.uapsd_queues = params->uapsd_queues; | |
747 | sta->sta.max_sp = params->max_sp; | |
748 | } | |
9533b4ac | 749 | |
51b50fbe JB |
750 | /* |
751 | * cfg80211 validates this (1-2007) and allows setting the AID | |
752 | * only when creating a new station entry | |
753 | */ | |
754 | if (params->aid) | |
755 | sta->sta.aid = params->aid; | |
756 | ||
73651ee6 JB |
757 | /* |
758 | * FIXME: updating the following information is racy when this | |
759 | * function is called from ieee80211_change_station(). | |
760 | * However, all this information should be static so | |
761 | * maybe we should just reject attemps to change it. | |
762 | */ | |
763 | ||
4fd6931e JB |
764 | if (params->listen_interval >= 0) |
765 | sta->listen_interval = params->listen_interval; | |
766 | ||
767 | if (params->supported_rates) { | |
768 | rates = 0; | |
8318d78a | 769 | |
4fd6931e JB |
770 | for (i = 0; i < params->supported_rates_len; i++) { |
771 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
772 | for (j = 0; j < sband->n_bitrates; j++) { |
773 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
774 | rates |= BIT(j); |
775 | } | |
776 | } | |
323ce79a | 777 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 778 | } |
c5dd9c2b | 779 | |
d9fe60de | 780 | if (params->ht_capa) |
ae5eb026 JB |
781 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
782 | params->ht_capa, | |
d9fe60de | 783 | &sta->sta.ht_cap); |
36aedc90 | 784 | |
9c3990aa | 785 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 786 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
787 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
788 | switch (params->plink_state) { | |
57cf8043 JC |
789 | case NL80211_PLINK_LISTEN: |
790 | case NL80211_PLINK_ESTAB: | |
791 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
792 | sta->plink_state = params->plink_state; |
793 | break; | |
794 | default: | |
795 | /* nothing */ | |
796 | break; | |
797 | } | |
798 | else | |
799 | switch (params->plink_action) { | |
800 | case PLINK_ACTION_OPEN: | |
801 | mesh_plink_open(sta); | |
802 | break; | |
803 | case PLINK_ACTION_BLOCK: | |
804 | mesh_plink_block(sta); | |
805 | break; | |
806 | } | |
4daf50f2 | 807 | #endif |
902acc78 | 808 | } |
4fd6931e JB |
809 | } |
810 | ||
811 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
812 | u8 *mac, struct station_parameters *params) | |
813 | { | |
14db74bc | 814 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
815 | struct sta_info *sta; |
816 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 817 | int err; |
b8d476c8 | 818 | int layer2_update; |
4fd6931e | 819 | |
4fd6931e JB |
820 | if (params->vlan) { |
821 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
822 | ||
05c914fe JB |
823 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
824 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
825 | return -EINVAL; |
826 | } else | |
827 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
828 | ||
47846c9b | 829 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
830 | return -EINVAL; |
831 | ||
832 | if (is_multicast_ether_addr(mac)) | |
833 | return -EINVAL; | |
834 | ||
835 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
836 | if (!sta) |
837 | return -ENOMEM; | |
4fd6931e | 838 | |
c2c98fde JB |
839 | set_sta_flag(sta, WLAN_STA_AUTH); |
840 | set_sta_flag(sta, WLAN_STA_ASSOC); | |
4fd6931e JB |
841 | |
842 | sta_apply_parameters(local, sta, params); | |
843 | ||
07ba55d7 | 844 | /* Only TDLS-supporting stations can add TDLS peers */ |
c2c98fde | 845 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && |
07ba55d7 AN |
846 | !((wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
847 | sdata->vif.type == NL80211_IFTYPE_STATION)) | |
848 | return -ENOTSUPP; | |
849 | ||
4b7679a5 | 850 | rate_control_rate_init(sta); |
4fd6931e | 851 | |
b8d476c8 JM |
852 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
853 | sdata->vif.type == NL80211_IFTYPE_AP; | |
854 | ||
34e89507 | 855 | err = sta_info_insert_rcu(sta); |
73651ee6 | 856 | if (err) { |
73651ee6 JB |
857 | rcu_read_unlock(); |
858 | return err; | |
859 | } | |
860 | ||
b8d476c8 | 861 | if (layer2_update) |
73651ee6 JB |
862 | ieee80211_send_layer2_update(sta); |
863 | ||
864 | rcu_read_unlock(); | |
865 | ||
4fd6931e JB |
866 | return 0; |
867 | } | |
868 | ||
869 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
870 | u8 *mac) | |
871 | { | |
14db74bc JB |
872 | struct ieee80211_local *local = wiphy_priv(wiphy); |
873 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 874 | |
14db74bc JB |
875 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
876 | ||
34e89507 JB |
877 | if (mac) |
878 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 879 | |
34e89507 | 880 | sta_info_flush(local, sdata); |
4fd6931e JB |
881 | return 0; |
882 | } | |
883 | ||
884 | static int ieee80211_change_station(struct wiphy *wiphy, | |
885 | struct net_device *dev, | |
886 | u8 *mac, | |
887 | struct station_parameters *params) | |
888 | { | |
abe60632 | 889 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 890 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
891 | struct sta_info *sta; |
892 | struct ieee80211_sub_if_data *vlansdata; | |
893 | ||
98dd6a57 JB |
894 | rcu_read_lock(); |
895 | ||
0e5ded5a | 896 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
897 | if (!sta) { |
898 | rcu_read_unlock(); | |
4fd6931e | 899 | return -ENOENT; |
98dd6a57 | 900 | } |
4fd6931e | 901 | |
07ba55d7 AN |
902 | /* The TDLS bit cannot be toggled after the STA was added */ |
903 | if ((params->sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) && | |
904 | !!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) != | |
c2c98fde | 905 | !!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { |
07ba55d7 AN |
906 | rcu_read_unlock(); |
907 | return -EINVAL; | |
908 | } | |
909 | ||
d0709a65 | 910 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
911 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
912 | ||
05c914fe JB |
913 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
914 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 915 | rcu_read_unlock(); |
4fd6931e | 916 | return -EINVAL; |
98dd6a57 | 917 | } |
4fd6931e | 918 | |
9bc383de | 919 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
920 | if (vlansdata->u.vlan.sta) { |
921 | rcu_read_unlock(); | |
f14543ee | 922 | return -EBUSY; |
3305443c | 923 | } |
f14543ee | 924 | |
a9b3cd7f | 925 | RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta); |
f14543ee FF |
926 | } |
927 | ||
14db74bc | 928 | sta->sdata = vlansdata; |
4fd6931e JB |
929 | ieee80211_send_layer2_update(sta); |
930 | } | |
931 | ||
932 | sta_apply_parameters(local, sta, params); | |
933 | ||
98dd6a57 JB |
934 | rcu_read_unlock(); |
935 | ||
808118cb JY |
936 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
937 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
938 | ieee80211_recalc_ps(local, -1); | |
939 | ||
4fd6931e JB |
940 | return 0; |
941 | } | |
942 | ||
c5dd9c2b LCC |
943 | #ifdef CONFIG_MAC80211_MESH |
944 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
945 | u8 *dst, u8 *next_hop) | |
946 | { | |
14db74bc | 947 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
948 | struct mesh_path *mpath; |
949 | struct sta_info *sta; | |
950 | int err; | |
951 | ||
14db74bc JB |
952 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
953 | ||
d0709a65 | 954 | rcu_read_lock(); |
abe60632 | 955 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
956 | if (!sta) { |
957 | rcu_read_unlock(); | |
c5dd9c2b | 958 | return -ENOENT; |
d0709a65 | 959 | } |
c5dd9c2b | 960 | |
f698d856 | 961 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
962 | if (err) { |
963 | rcu_read_unlock(); | |
c5dd9c2b | 964 | return err; |
d0709a65 | 965 | } |
c5dd9c2b | 966 | |
f698d856 | 967 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
968 | if (!mpath) { |
969 | rcu_read_unlock(); | |
c5dd9c2b LCC |
970 | return -ENXIO; |
971 | } | |
972 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 973 | |
c5dd9c2b LCC |
974 | rcu_read_unlock(); |
975 | return 0; | |
976 | } | |
977 | ||
978 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
979 | u8 *dst) | |
980 | { | |
f698d856 JBG |
981 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
982 | ||
c5dd9c2b | 983 | if (dst) |
f698d856 | 984 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 985 | |
ece1a2e7 | 986 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
987 | return 0; |
988 | } | |
989 | ||
990 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
991 | struct net_device *dev, | |
992 | u8 *dst, u8 *next_hop) | |
993 | { | |
14db74bc | 994 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
995 | struct mesh_path *mpath; |
996 | struct sta_info *sta; | |
997 | ||
14db74bc JB |
998 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
999 | ||
d0709a65 JB |
1000 | rcu_read_lock(); |
1001 | ||
abe60632 | 1002 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1003 | if (!sta) { |
1004 | rcu_read_unlock(); | |
c5dd9c2b | 1005 | return -ENOENT; |
d0709a65 | 1006 | } |
c5dd9c2b | 1007 | |
f698d856 | 1008 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1009 | if (!mpath) { |
1010 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1011 | return -ENOENT; |
1012 | } | |
1013 | ||
1014 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1015 | |
c5dd9c2b LCC |
1016 | rcu_read_unlock(); |
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1021 | struct mpath_info *pinfo) | |
1022 | { | |
a3836e02 JB |
1023 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1024 | ||
1025 | if (next_hop_sta) | |
1026 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1027 | else |
1028 | memset(next_hop, 0, ETH_ALEN); | |
1029 | ||
f5ea9120 JB |
1030 | pinfo->generation = mesh_paths_generation; |
1031 | ||
c5dd9c2b | 1032 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1033 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1034 | MPATH_INFO_METRIC | |
1035 | MPATH_INFO_EXPTIME | | |
1036 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1037 | MPATH_INFO_DISCOVERY_RETRIES | | |
1038 | MPATH_INFO_FLAGS; | |
1039 | ||
1040 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1041 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1042 | pinfo->metric = mpath->metric; |
1043 | if (time_before(jiffies, mpath->exp_time)) | |
1044 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1045 | pinfo->discovery_timeout = | |
1046 | jiffies_to_msecs(mpath->discovery_timeout); | |
1047 | pinfo->discovery_retries = mpath->discovery_retries; | |
1048 | pinfo->flags = 0; | |
1049 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1050 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1051 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1052 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1053 | if (mpath->flags & MESH_PATH_SN_VALID) |
1054 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1055 | if (mpath->flags & MESH_PATH_FIXED) |
1056 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1057 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1058 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1059 | ||
1060 | pinfo->flags = mpath->flags; | |
1061 | } | |
1062 | ||
1063 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1064 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1065 | ||
1066 | { | |
14db74bc | 1067 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1068 | struct mesh_path *mpath; |
1069 | ||
14db74bc JB |
1070 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1071 | ||
c5dd9c2b | 1072 | rcu_read_lock(); |
f698d856 | 1073 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1074 | if (!mpath) { |
1075 | rcu_read_unlock(); | |
1076 | return -ENOENT; | |
1077 | } | |
1078 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1079 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1080 | rcu_read_unlock(); | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1085 | int idx, u8 *dst, u8 *next_hop, | |
1086 | struct mpath_info *pinfo) | |
1087 | { | |
14db74bc | 1088 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1089 | struct mesh_path *mpath; |
1090 | ||
14db74bc JB |
1091 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1092 | ||
c5dd9c2b | 1093 | rcu_read_lock(); |
f698d856 | 1094 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1095 | if (!mpath) { |
1096 | rcu_read_unlock(); | |
1097 | return -ENOENT; | |
1098 | } | |
1099 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1100 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1101 | rcu_read_unlock(); | |
1102 | return 0; | |
1103 | } | |
93da9cc1 | 1104 | |
24bdd9f4 | 1105 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1106 | struct net_device *dev, |
1107 | struct mesh_config *conf) | |
1108 | { | |
1109 | struct ieee80211_sub_if_data *sdata; | |
1110 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1111 | ||
93da9cc1 | 1112 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1117 | { | |
1118 | return (mask >> (parm-1)) & 0x1; | |
1119 | } | |
1120 | ||
c80d545d JC |
1121 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1122 | const struct mesh_setup *setup) | |
1123 | { | |
1124 | u8 *new_ie; | |
1125 | const u8 *old_ie; | |
1126 | ||
581a8b0f | 1127 | /* allocate information elements */ |
c80d545d | 1128 | new_ie = NULL; |
581a8b0f | 1129 | old_ie = ifmsh->ie; |
c80d545d | 1130 | |
581a8b0f JC |
1131 | if (setup->ie_len) { |
1132 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1133 | GFP_KERNEL); |
1134 | if (!new_ie) | |
1135 | return -ENOMEM; | |
1136 | } | |
581a8b0f JC |
1137 | ifmsh->ie_len = setup->ie_len; |
1138 | ifmsh->ie = new_ie; | |
1139 | kfree(old_ie); | |
c80d545d JC |
1140 | |
1141 | /* now copy the rest of the setup parameters */ | |
1142 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1143 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1144 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1145 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1146 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1147 | if (setup->is_authenticated) | |
1148 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1149 | if (setup->is_secure) | |
1150 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d JC |
1151 | |
1152 | return 0; | |
1153 | } | |
1154 | ||
24bdd9f4 | 1155 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1156 | struct net_device *dev, u32 mask, |
1157 | const struct mesh_config *nconf) | |
93da9cc1 | 1158 | { |
1159 | struct mesh_config *conf; | |
1160 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1161 | struct ieee80211_if_mesh *ifmsh; |
1162 | ||
93da9cc1 | 1163 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1164 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1165 | |
93da9cc1 | 1166 | /* Set the config options which we are interested in setting */ |
1167 | conf = &(sdata->u.mesh.mshcfg); | |
1168 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1169 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1170 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1171 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1172 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1173 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1174 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1175 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1176 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1177 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1178 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1179 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1180 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1181 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1182 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1183 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1184 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1185 | conf->dot11MeshHWMPmaxPREQretries = | |
1186 | nconf->dot11MeshHWMPmaxPREQretries; | |
1187 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1188 | conf->path_refresh_time = nconf->path_refresh_time; | |
1189 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1190 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1191 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1192 | conf->dot11MeshHWMPactivePathTimeout = | |
1193 | nconf->dot11MeshHWMPactivePathTimeout; | |
1194 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1195 | conf->dot11MeshHWMPpreqMinInterval = | |
1196 | nconf->dot11MeshHWMPpreqMinInterval; | |
1197 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1198 | mask)) | |
1199 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1200 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1201 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1202 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1203 | ieee80211_mesh_root_setup(ifmsh); | |
1204 | } | |
16dd7267 | 1205 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1206 | /* our current gate announcement implementation rides on root |
1207 | * announcements, so require this ifmsh to also be a root node | |
1208 | * */ | |
1209 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
1210 | !conf->dot11MeshHWMPRootMode) { | |
1211 | conf->dot11MeshHWMPRootMode = 1; | |
1212 | ieee80211_mesh_root_setup(ifmsh); | |
1213 | } | |
16dd7267 JC |
1214 | conf->dot11MeshGateAnnouncementProtocol = |
1215 | nconf->dot11MeshGateAnnouncementProtocol; | |
1216 | } | |
0507e159 JC |
1217 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { |
1218 | conf->dot11MeshHWMPRannInterval = | |
1219 | nconf->dot11MeshHWMPRannInterval; | |
1220 | } | |
93da9cc1 | 1221 | return 0; |
1222 | } | |
1223 | ||
29cbe68c JB |
1224 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1225 | const struct mesh_config *conf, | |
1226 | const struct mesh_setup *setup) | |
1227 | { | |
1228 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1229 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1230 | int err; |
29cbe68c | 1231 | |
c80d545d JC |
1232 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1233 | err = copy_mesh_setup(ifmsh, setup); | |
1234 | if (err) | |
1235 | return err; | |
29cbe68c JB |
1236 | ieee80211_start_mesh(sdata); |
1237 | ||
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1242 | { | |
1243 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1244 | ||
1245 | ieee80211_stop_mesh(sdata); | |
1246 | ||
1247 | return 0; | |
1248 | } | |
c5dd9c2b LCC |
1249 | #endif |
1250 | ||
9f1ba906 JM |
1251 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1252 | struct net_device *dev, | |
1253 | struct bss_parameters *params) | |
1254 | { | |
9f1ba906 JM |
1255 | struct ieee80211_sub_if_data *sdata; |
1256 | u32 changed = 0; | |
1257 | ||
9f1ba906 JM |
1258 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1259 | ||
9f1ba906 | 1260 | if (params->use_cts_prot >= 0) { |
bda3933a | 1261 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1262 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1263 | } | |
1264 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1265 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1266 | params->use_short_preamble; |
1267 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1268 | } | |
43d35343 FF |
1269 | |
1270 | if (!sdata->vif.bss_conf.use_short_slot && | |
1271 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1272 | sdata->vif.bss_conf.use_short_slot = true; | |
1273 | changed |= BSS_CHANGED_ERP_SLOT; | |
1274 | } | |
1275 | ||
9f1ba906 | 1276 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1277 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1278 | params->use_short_slot_time; |
1279 | changed |= BSS_CHANGED_ERP_SLOT; | |
1280 | } | |
1281 | ||
90c97a04 JM |
1282 | if (params->basic_rates) { |
1283 | int i, j; | |
1284 | u32 rates = 0; | |
1285 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1286 | struct ieee80211_supported_band *sband = | |
1287 | wiphy->bands[local->oper_channel->band]; | |
1288 | ||
1289 | for (i = 0; i < params->basic_rates_len; i++) { | |
1290 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1291 | for (j = 0; j < sband->n_bitrates; j++) { | |
1292 | if (sband->bitrates[j].bitrate == rate) | |
1293 | rates |= BIT(j); | |
1294 | } | |
1295 | } | |
1296 | sdata->vif.bss_conf.basic_rates = rates; | |
1297 | changed |= BSS_CHANGED_BASIC_RATES; | |
1298 | } | |
1299 | ||
7b7b5e56 FF |
1300 | if (params->ap_isolate >= 0) { |
1301 | if (params->ap_isolate) | |
1302 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1303 | else | |
1304 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1305 | } | |
1306 | ||
80d7e403 HS |
1307 | if (params->ht_opmode >= 0) { |
1308 | sdata->vif.bss_conf.ht_operation_mode = | |
1309 | (u16) params->ht_opmode; | |
1310 | changed |= BSS_CHANGED_HT; | |
1311 | } | |
1312 | ||
9f1ba906 JM |
1313 | ieee80211_bss_info_change_notify(sdata, changed); |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
31888487 | 1318 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1319 | struct net_device *dev, |
31888487 JM |
1320 | struct ieee80211_txq_params *params) |
1321 | { | |
1322 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1323 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1324 | struct ieee80211_tx_queue_params p; |
1325 | ||
1326 | if (!local->ops->conf_tx) | |
1327 | return -EOPNOTSUPP; | |
1328 | ||
1329 | memset(&p, 0, sizeof(p)); | |
1330 | p.aifs = params->aifs; | |
1331 | p.cw_max = params->cwmax; | |
1332 | p.cw_min = params->cwmin; | |
1333 | p.txop = params->txop; | |
ab13315a KV |
1334 | |
1335 | /* | |
1336 | * Setting tx queue params disables u-apsd because it's only | |
1337 | * called in master mode. | |
1338 | */ | |
1339 | p.uapsd = false; | |
1340 | ||
2683d65b EP |
1341 | if (params->queue >= local->hw.queues) |
1342 | return -EINVAL; | |
1343 | ||
f6f3def3 EP |
1344 | sdata->tx_conf[params->queue] = p; |
1345 | if (drv_conf_tx(local, sdata, params->queue, &p)) { | |
0fb9a9ec JP |
1346 | wiphy_debug(local->hw.wiphy, |
1347 | "failed to set TX queue parameters for queue %d\n", | |
1348 | params->queue); | |
31888487 JM |
1349 | return -EINVAL; |
1350 | } | |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
72bdcf34 | 1355 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1356 | struct net_device *netdev, |
72bdcf34 | 1357 | struct ieee80211_channel *chan, |
094d05dc | 1358 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1359 | { |
1360 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1361 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1362 | struct ieee80211_channel *old_oper; |
1363 | enum nl80211_channel_type old_oper_type; | |
1364 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1365 | |
1366 | if (netdev) | |
1367 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1368 | |
f444de05 JB |
1369 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1370 | case CHAN_MODE_HOPPING: | |
1371 | return -EBUSY; | |
1372 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1373 | if (local->oper_channel != chan) |
1374 | return -EBUSY; | |
1375 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1376 | return 0; |
0aaffa9b | 1377 | break; |
f444de05 JB |
1378 | case CHAN_MODE_UNDEFINED: |
1379 | break; | |
1380 | } | |
72bdcf34 | 1381 | |
eeabee7e BG |
1382 | if (sdata) |
1383 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1384 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1385 | |
0aaffa9b JB |
1386 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1387 | return -EBUSY; | |
1388 | ||
eeabee7e BG |
1389 | old_oper = local->oper_channel; |
1390 | local->oper_channel = chan; | |
1391 | ||
1392 | /* Update driver if changes were actually made. */ | |
1393 | if ((old_oper != local->oper_channel) || | |
1394 | (old_oper_type != local->_oper_channel_type)) | |
1395 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1396 | ||
ef5af747 | 1397 | if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR && |
eeabee7e | 1398 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) |
0aaffa9b JB |
1399 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1400 | ||
1401 | return 0; | |
72bdcf34 JM |
1402 | } |
1403 | ||
665af4fc | 1404 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1405 | static int ieee80211_suspend(struct wiphy *wiphy, |
1406 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1407 | { |
eecc4800 | 1408 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1409 | } |
1410 | ||
1411 | static int ieee80211_resume(struct wiphy *wiphy) | |
1412 | { | |
1413 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1414 | } | |
1415 | #else | |
1416 | #define ieee80211_suspend NULL | |
1417 | #define ieee80211_resume NULL | |
1418 | #endif | |
1419 | ||
2a519311 JB |
1420 | static int ieee80211_scan(struct wiphy *wiphy, |
1421 | struct net_device *dev, | |
1422 | struct cfg80211_scan_request *req) | |
1423 | { | |
2ca27bcf | 1424 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1425 | |
2ca27bcf JB |
1426 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1427 | case NL80211_IFTYPE_STATION: | |
1428 | case NL80211_IFTYPE_ADHOC: | |
1429 | case NL80211_IFTYPE_MESH_POINT: | |
1430 | case NL80211_IFTYPE_P2P_CLIENT: | |
1431 | break; | |
1432 | case NL80211_IFTYPE_P2P_GO: | |
1433 | if (sdata->local->ops->hw_scan) | |
1434 | break; | |
e9d7732e JB |
1435 | /* |
1436 | * FIXME: implement NoA while scanning in software, | |
1437 | * for now fall through to allow scanning only when | |
1438 | * beaconing hasn't been configured yet | |
1439 | */ | |
2ca27bcf JB |
1440 | case NL80211_IFTYPE_AP: |
1441 | if (sdata->u.ap.beacon) | |
1442 | return -EOPNOTSUPP; | |
1443 | break; | |
1444 | default: | |
1445 | return -EOPNOTSUPP; | |
1446 | } | |
2a519311 JB |
1447 | |
1448 | return ieee80211_request_scan(sdata, req); | |
1449 | } | |
1450 | ||
79f460ca LC |
1451 | static int |
1452 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1453 | struct net_device *dev, | |
1454 | struct cfg80211_sched_scan_request *req) | |
1455 | { | |
1456 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1457 | ||
1458 | if (!sdata->local->ops->sched_scan_start) | |
1459 | return -EOPNOTSUPP; | |
1460 | ||
1461 | return ieee80211_request_sched_scan_start(sdata, req); | |
1462 | } | |
1463 | ||
1464 | static int | |
85a9994a | 1465 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1466 | { |
1467 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1468 | ||
1469 | if (!sdata->local->ops->sched_scan_stop) | |
1470 | return -EOPNOTSUPP; | |
1471 | ||
85a9994a | 1472 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1473 | } |
1474 | ||
636a5d36 JM |
1475 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1476 | struct cfg80211_auth_request *req) | |
1477 | { | |
77fdaa12 | 1478 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1479 | } |
1480 | ||
1481 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1482 | struct cfg80211_assoc_request *req) | |
1483 | { | |
f444de05 JB |
1484 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1485 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1486 | ||
1487 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1488 | case CHAN_MODE_HOPPING: | |
1489 | return -EBUSY; | |
1490 | case CHAN_MODE_FIXED: | |
1491 | if (local->oper_channel == req->bss->channel) | |
1492 | break; | |
1493 | return -EBUSY; | |
1494 | case CHAN_MODE_UNDEFINED: | |
1495 | break; | |
1496 | } | |
1497 | ||
77fdaa12 | 1498 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1499 | } |
1500 | ||
1501 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1502 | struct cfg80211_deauth_request *req, |
1503 | void *cookie) | |
636a5d36 | 1504 | { |
667503dd JB |
1505 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1506 | req, cookie); | |
636a5d36 JM |
1507 | } |
1508 | ||
1509 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1510 | struct cfg80211_disassoc_request *req, |
1511 | void *cookie) | |
636a5d36 | 1512 | { |
667503dd JB |
1513 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1514 | req, cookie); | |
636a5d36 JM |
1515 | } |
1516 | ||
af8cdcd8 JB |
1517 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1518 | struct cfg80211_ibss_params *params) | |
1519 | { | |
f444de05 | 1520 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1521 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1522 | ||
f444de05 JB |
1523 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1524 | case CHAN_MODE_HOPPING: | |
1525 | return -EBUSY; | |
1526 | case CHAN_MODE_FIXED: | |
1527 | if (!params->channel_fixed) | |
1528 | return -EBUSY; | |
1529 | if (local->oper_channel == params->channel) | |
1530 | break; | |
1531 | return -EBUSY; | |
1532 | case CHAN_MODE_UNDEFINED: | |
1533 | break; | |
1534 | } | |
1535 | ||
af8cdcd8 JB |
1536 | return ieee80211_ibss_join(sdata, params); |
1537 | } | |
1538 | ||
1539 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1540 | { | |
1541 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1542 | ||
1543 | return ieee80211_ibss_leave(sdata); | |
1544 | } | |
1545 | ||
b9a5f8ca JM |
1546 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1547 | { | |
1548 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1549 | int err; |
b9a5f8ca | 1550 | |
f23a4780 AN |
1551 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1552 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1553 | ||
1554 | if (err) | |
1555 | return err; | |
1556 | } | |
1557 | ||
310bc676 LT |
1558 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1559 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1560 | ||
1561 | if (err) | |
1562 | return err; | |
1563 | } | |
1564 | ||
b9a5f8ca | 1565 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1566 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1567 | |
24487981 JB |
1568 | if (err) |
1569 | return err; | |
b9a5f8ca JM |
1570 | } |
1571 | ||
1572 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1573 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1574 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1575 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1576 | if (changed & | |
1577 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1578 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1579 | ||
1580 | return 0; | |
1581 | } | |
1582 | ||
7643a2c3 | 1583 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1584 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1585 | { |
1586 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1587 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1588 | u32 changes = 0; | |
7643a2c3 JB |
1589 | |
1590 | switch (type) { | |
fa61cf70 | 1591 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1592 | local->user_power_level = -1; |
1593 | break; | |
fa61cf70 JO |
1594 | case NL80211_TX_POWER_LIMITED: |
1595 | if (mbm < 0 || (mbm % 100)) | |
1596 | return -EOPNOTSUPP; | |
1597 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1598 | break; |
fa61cf70 JO |
1599 | case NL80211_TX_POWER_FIXED: |
1600 | if (mbm < 0 || (mbm % 100)) | |
1601 | return -EOPNOTSUPP; | |
7643a2c3 | 1602 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1603 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1604 | return -EINVAL; |
fa61cf70 | 1605 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1606 | break; |
7643a2c3 JB |
1607 | } |
1608 | ||
1609 | ieee80211_hw_config(local, changes); | |
1610 | ||
1611 | return 0; | |
1612 | } | |
1613 | ||
1614 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1615 | { | |
1616 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1617 | ||
1618 | *dbm = local->hw.conf.power_level; | |
1619 | ||
7643a2c3 JB |
1620 | return 0; |
1621 | } | |
1622 | ||
ab737a4f | 1623 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1624 | const u8 *addr) |
ab737a4f JB |
1625 | { |
1626 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1627 | ||
1628 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1629 | ||
1630 | return 0; | |
1631 | } | |
1632 | ||
1f87f7d3 JB |
1633 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1634 | { | |
1635 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1636 | ||
1637 | drv_rfkill_poll(local); | |
1638 | } | |
1639 | ||
aff89a9b | 1640 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1641 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1642 | { |
1643 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1644 | ||
1645 | if (!local->ops->testmode_cmd) | |
1646 | return -EOPNOTSUPP; | |
1647 | ||
1648 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1649 | } | |
71063f0e WYG |
1650 | |
1651 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
1652 | struct sk_buff *skb, | |
1653 | struct netlink_callback *cb, | |
1654 | void *data, int len) | |
1655 | { | |
1656 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1657 | ||
1658 | if (!local->ops->testmode_dump) | |
1659 | return -EOPNOTSUPP; | |
1660 | ||
1661 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
1662 | } | |
aff89a9b JB |
1663 | #endif |
1664 | ||
0f78231b JB |
1665 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1666 | enum ieee80211_smps_mode smps_mode) | |
1667 | { | |
1668 | const u8 *ap; | |
1669 | enum ieee80211_smps_mode old_req; | |
1670 | int err; | |
1671 | ||
243e6df4 JB |
1672 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1673 | ||
0f78231b JB |
1674 | old_req = sdata->u.mgd.req_smps; |
1675 | sdata->u.mgd.req_smps = smps_mode; | |
1676 | ||
1677 | if (old_req == smps_mode && | |
1678 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1679 | return 0; | |
1680 | ||
1681 | /* | |
1682 | * If not associated, or current association is not an HT | |
1683 | * association, there's no need to send an action frame. | |
1684 | */ | |
1685 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1686 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1687 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1688 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1689 | mutex_unlock(&sdata->local->iflist_mtx); |
1690 | return 0; | |
1691 | } | |
1692 | ||
0c1ad2ca | 1693 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1694 | |
1695 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1696 | if (sdata->u.mgd.powersave) | |
1697 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1698 | else | |
1699 | smps_mode = IEEE80211_SMPS_OFF; | |
1700 | } | |
1701 | ||
1702 | /* send SM PS frame to AP */ | |
1703 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1704 | ap, ap); | |
1705 | if (err) | |
1706 | sdata->u.mgd.req_smps = old_req; | |
1707 | ||
1708 | return err; | |
1709 | } | |
1710 | ||
bc92afd9 JB |
1711 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1712 | bool enabled, int timeout) | |
1713 | { | |
1714 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1715 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1716 | |
e5de30c9 BP |
1717 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1718 | return -EOPNOTSUPP; | |
1719 | ||
bc92afd9 JB |
1720 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1721 | return -EOPNOTSUPP; | |
1722 | ||
1723 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1724 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1725 | return 0; |
1726 | ||
1727 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1728 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1729 | |
0f78231b JB |
1730 | /* no change, but if automatic follow powersave */ |
1731 | mutex_lock(&sdata->u.mgd.mtx); | |
1732 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1733 | mutex_unlock(&sdata->u.mgd.mtx); | |
1734 | ||
bc92afd9 JB |
1735 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1736 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1737 | ||
1738 | ieee80211_recalc_ps(local, -1); | |
1739 | ||
1740 | return 0; | |
1741 | } | |
1742 | ||
a97c13c3 JO |
1743 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1744 | struct net_device *dev, | |
1745 | s32 rssi_thold, u32 rssi_hyst) | |
1746 | { | |
1747 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1748 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1749 | struct ieee80211_vif *vif = &sdata->vif; | |
1750 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1751 | ||
a97c13c3 JO |
1752 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1753 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1754 | return 0; | |
1755 | ||
1756 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1757 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1758 | ||
17e4ec14 JM |
1759 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1760 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1761 | return -EOPNOTSUPP; | |
1762 | return 0; | |
1763 | } | |
1764 | ||
a97c13c3 JO |
1765 | /* tell the driver upon association, unless already associated */ |
1766 | if (sdata->u.mgd.associated) | |
1767 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1768 | ||
1769 | return 0; | |
1770 | } | |
1771 | ||
9930380f JB |
1772 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1773 | struct net_device *dev, | |
1774 | const u8 *addr, | |
1775 | const struct cfg80211_bitrate_mask *mask) | |
1776 | { | |
1777 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1778 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 1779 | int i, ret; |
2c7e6bc9 | 1780 | |
bdbfd6b5 SM |
1781 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
1782 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
1783 | if (ret) | |
1784 | return ret; | |
1785 | } | |
9930380f | 1786 | |
37eb0b16 JM |
1787 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1788 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1789 | |
37eb0b16 | 1790 | return 0; |
9930380f JB |
1791 | } |
1792 | ||
21f83589 JB |
1793 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1794 | struct net_device *dev, | |
1795 | struct ieee80211_channel *chan, | |
1796 | enum nl80211_channel_type chantype, | |
1797 | unsigned int duration, u64 *cookie) | |
1798 | { | |
1799 | int ret; | |
1800 | u32 random_cookie; | |
1801 | ||
1802 | lockdep_assert_held(&local->mtx); | |
1803 | ||
1804 | if (local->hw_roc_cookie) | |
1805 | return -EBUSY; | |
1806 | /* must be nonzero */ | |
1807 | random_cookie = random32() | 1; | |
1808 | ||
1809 | *cookie = random_cookie; | |
1810 | local->hw_roc_dev = dev; | |
1811 | local->hw_roc_cookie = random_cookie; | |
1812 | local->hw_roc_channel = chan; | |
1813 | local->hw_roc_channel_type = chantype; | |
1814 | local->hw_roc_duration = duration; | |
1815 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1816 | if (ret) { | |
1817 | local->hw_roc_channel = NULL; | |
1818 | local->hw_roc_cookie = 0; | |
1819 | } | |
1820 | ||
1821 | return ret; | |
1822 | } | |
1823 | ||
b8bc4b0a JB |
1824 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1825 | struct net_device *dev, | |
1826 | struct ieee80211_channel *chan, | |
1827 | enum nl80211_channel_type channel_type, | |
1828 | unsigned int duration, | |
1829 | u64 *cookie) | |
1830 | { | |
1831 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1832 | struct ieee80211_local *local = sdata->local; |
1833 | ||
1834 | if (local->ops->remain_on_channel) { | |
1835 | int ret; | |
1836 | ||
1837 | mutex_lock(&local->mtx); | |
1838 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1839 | chan, channel_type, | |
1840 | duration, cookie); | |
90fc4b3a | 1841 | local->hw_roc_for_tx = false; |
21f83589 JB |
1842 | mutex_unlock(&local->mtx); |
1843 | ||
1844 | return ret; | |
1845 | } | |
b8bc4b0a JB |
1846 | |
1847 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1848 | duration, cookie); | |
1849 | } | |
1850 | ||
21f83589 JB |
1851 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1852 | u64 cookie) | |
1853 | { | |
1854 | int ret; | |
1855 | ||
1856 | lockdep_assert_held(&local->mtx); | |
1857 | ||
1858 | if (local->hw_roc_cookie != cookie) | |
1859 | return -ENOENT; | |
1860 | ||
1861 | ret = drv_cancel_remain_on_channel(local); | |
1862 | if (ret) | |
1863 | return ret; | |
1864 | ||
1865 | local->hw_roc_cookie = 0; | |
1866 | local->hw_roc_channel = NULL; | |
1867 | ||
1868 | ieee80211_recalc_idle(local); | |
1869 | ||
1870 | return 0; | |
1871 | } | |
1872 | ||
b8bc4b0a JB |
1873 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1874 | struct net_device *dev, | |
1875 | u64 cookie) | |
1876 | { | |
1877 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1878 | struct ieee80211_local *local = sdata->local; |
1879 | ||
1880 | if (local->ops->cancel_remain_on_channel) { | |
1881 | int ret; | |
1882 | ||
1883 | mutex_lock(&local->mtx); | |
1884 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1885 | mutex_unlock(&local->mtx); | |
1886 | ||
1887 | return ret; | |
1888 | } | |
b8bc4b0a JB |
1889 | |
1890 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1891 | } | |
1892 | ||
f30221e4 JB |
1893 | static enum work_done_result |
1894 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1895 | { | |
1896 | /* | |
1897 | * Use the data embedded in the work struct for reporting | |
1898 | * here so if the driver mangled the SKB before dropping | |
1899 | * it (which is the only way we really should get here) | |
1900 | * then we don't report mangled data. | |
1901 | * | |
1902 | * If there was no wait time, then by the time we get here | |
1903 | * the driver will likely not have reported the status yet, | |
1904 | * so in that case userspace will have to deal with it. | |
1905 | */ | |
1906 | ||
28a1bcdb | 1907 | if (wk->offchan_tx.wait && !wk->offchan_tx.status) |
f30221e4 JB |
1908 | cfg80211_mgmt_tx_status(wk->sdata->dev, |
1909 | (unsigned long) wk->offchan_tx.frame, | |
1910 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1911 | ||
1912 | return WORK_DONE_DESTROY; | |
1913 | } | |
1914 | ||
2e161f78 | 1915 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1916 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1917 | enum nl80211_channel_type channel_type, |
f7ca38df | 1918 | bool channel_type_valid, unsigned int wait, |
e9f935e3 RM |
1919 | const u8 *buf, size_t len, bool no_cck, |
1920 | u64 *cookie) | |
026331c4 | 1921 | { |
9d38d85d JB |
1922 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1923 | struct ieee80211_local *local = sdata->local; | |
1924 | struct sk_buff *skb; | |
1925 | struct sta_info *sta; | |
f30221e4 | 1926 | struct ieee80211_work *wk; |
9d38d85d JB |
1927 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1928 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1929 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1930 | bool is_offchan = false; |
f7ca38df | 1931 | |
9d38d85d JB |
1932 | /* Check that we are on the requested channel for transmission */ |
1933 | if (chan != local->tmp_channel && | |
1934 | chan != local->oper_channel) | |
f30221e4 | 1935 | is_offchan = true; |
9d38d85d JB |
1936 | if (channel_type_valid && |
1937 | (channel_type != local->tmp_channel_type && | |
1938 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1939 | is_offchan = true; |
1940 | ||
21f83589 JB |
1941 | if (chan == local->hw_roc_channel) { |
1942 | /* TODO: check channel type? */ | |
1943 | is_offchan = false; | |
1944 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1945 | } | |
1946 | ||
aad14ceb RM |
1947 | if (no_cck) |
1948 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
1949 | ||
f30221e4 | 1950 | if (is_offchan && !offchan) |
9d38d85d JB |
1951 | return -EBUSY; |
1952 | ||
1953 | switch (sdata->vif.type) { | |
1954 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1955 | case NL80211_IFTYPE_AP: |
1956 | case NL80211_IFTYPE_AP_VLAN: | |
1957 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 1958 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
1959 | if (!ieee80211_is_action(mgmt->frame_control) || |
1960 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1961 | break; |
1962 | rcu_read_lock(); | |
1963 | sta = sta_info_get(sdata, mgmt->da); | |
1964 | rcu_read_unlock(); | |
1965 | if (!sta) | |
1966 | return -ENOLINK; | |
1967 | break; | |
1968 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1969 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1970 | break; |
1971 | default: | |
1972 | return -EOPNOTSUPP; | |
1973 | } | |
1974 | ||
1975 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1976 | if (!skb) | |
1977 | return -ENOMEM; | |
1978 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1979 | ||
1980 | memcpy(skb_put(skb, len), buf, len); | |
1981 | ||
1982 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1983 | ||
1984 | skb->dev = sdata->dev; | |
9d38d85d JB |
1985 | |
1986 | *cookie = (unsigned long) skb; | |
f30221e4 | 1987 | |
90fc4b3a JB |
1988 | if (is_offchan && local->ops->remain_on_channel) { |
1989 | unsigned int duration; | |
1990 | int ret; | |
1991 | ||
1992 | mutex_lock(&local->mtx); | |
1993 | /* | |
1994 | * If the duration is zero, then the driver | |
1995 | * wouldn't actually do anything. Set it to | |
1996 | * 100 for now. | |
1997 | * | |
1998 | * TODO: cancel the off-channel operation | |
1999 | * when we get the SKB's TX status and | |
2000 | * the wait time was zero before. | |
2001 | */ | |
2002 | duration = 100; | |
2003 | if (wait) | |
2004 | duration = wait; | |
2005 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
2006 | channel_type, | |
2007 | duration, cookie); | |
2008 | if (ret) { | |
2009 | kfree_skb(skb); | |
2010 | mutex_unlock(&local->mtx); | |
2011 | return ret; | |
2012 | } | |
2013 | ||
2014 | local->hw_roc_for_tx = true; | |
2015 | local->hw_roc_duration = wait; | |
2016 | ||
2017 | /* | |
2018 | * queue up frame for transmission after | |
2019 | * ieee80211_ready_on_channel call | |
2020 | */ | |
2021 | ||
2022 | /* modify cookie to prevent API mismatches */ | |
2023 | *cookie ^= 2; | |
2024 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
2025 | local->hw_roc_skb = skb; | |
4334ec85 | 2026 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
2027 | mutex_unlock(&local->mtx); |
2028 | ||
2029 | return 0; | |
2030 | } | |
2031 | ||
f30221e4 JB |
2032 | /* |
2033 | * Can transmit right away if the channel was the | |
2034 | * right one and there's no wait involved... If a | |
2035 | * wait is involved, we might otherwise not be on | |
2036 | * the right channel for long enough! | |
2037 | */ | |
2038 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
2039 | ieee80211_tx_skb(sdata, skb); | |
2040 | return 0; | |
2041 | } | |
2042 | ||
2043 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
2044 | if (!wk) { | |
2045 | kfree_skb(skb); | |
2046 | return -ENOMEM; | |
2047 | } | |
2048 | ||
2049 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
2050 | wk->chan = chan; | |
4d51e149 | 2051 | wk->chan_type = channel_type; |
f30221e4 JB |
2052 | wk->sdata = sdata; |
2053 | wk->done = ieee80211_offchan_tx_done; | |
2054 | wk->offchan_tx.frame = skb; | |
2055 | wk->offchan_tx.wait = wait; | |
2056 | wk->ie_len = len; | |
2057 | memcpy(wk->ie, buf, len); | |
2058 | ||
2059 | ieee80211_add_work(wk); | |
9d38d85d | 2060 | return 0; |
026331c4 JM |
2061 | } |
2062 | ||
f30221e4 JB |
2063 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
2064 | struct net_device *dev, | |
2065 | u64 cookie) | |
2066 | { | |
2067 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2068 | struct ieee80211_local *local = sdata->local; | |
2069 | struct ieee80211_work *wk; | |
2070 | int ret = -ENOENT; | |
2071 | ||
2072 | mutex_lock(&local->mtx); | |
90fc4b3a JB |
2073 | |
2074 | if (local->ops->cancel_remain_on_channel) { | |
2075 | cookie ^= 2; | |
2076 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2077 | ||
2078 | if (ret == 0) { | |
2079 | kfree_skb(local->hw_roc_skb); | |
2080 | local->hw_roc_skb = NULL; | |
4334ec85 | 2081 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
2082 | } |
2083 | ||
2084 | mutex_unlock(&local->mtx); | |
2085 | ||
2086 | return ret; | |
2087 | } | |
2088 | ||
f30221e4 JB |
2089 | list_for_each_entry(wk, &local->work_list, list) { |
2090 | if (wk->sdata != sdata) | |
2091 | continue; | |
2092 | ||
2093 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
2094 | continue; | |
2095 | ||
2096 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
2097 | continue; | |
2098 | ||
2099 | wk->timeout = jiffies; | |
2100 | ||
2101 | ieee80211_queue_work(&local->hw, &local->work_work); | |
2102 | ret = 0; | |
2103 | break; | |
2104 | } | |
2105 | mutex_unlock(&local->mtx); | |
2106 | ||
2107 | return ret; | |
2108 | } | |
2109 | ||
7be5086d JB |
2110 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2111 | struct net_device *dev, | |
2112 | u16 frame_type, bool reg) | |
2113 | { | |
2114 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2115 | ||
2116 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2117 | return; | |
2118 | ||
2119 | if (reg) | |
2120 | local->probe_req_reg++; | |
2121 | else | |
2122 | local->probe_req_reg--; | |
2123 | ||
2124 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2125 | } | |
2126 | ||
15d96753 BR |
2127 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2128 | { | |
2129 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2130 | ||
2131 | if (local->started) | |
2132 | return -EOPNOTSUPP; | |
2133 | ||
2134 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2135 | } | |
2136 | ||
2137 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2138 | { | |
2139 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2140 | ||
2141 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2142 | } | |
2143 | ||
38c09159 JL |
2144 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2145 | { | |
2146 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2147 | ||
2148 | return drv_set_ringparam(local, tx, rx); | |
2149 | } | |
2150 | ||
2151 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2152 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2153 | { | |
2154 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2155 | ||
2156 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2157 | } | |
2158 | ||
c68f4b89 JB |
2159 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2160 | struct net_device *dev, | |
2161 | struct cfg80211_gtk_rekey_data *data) | |
2162 | { | |
2163 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2164 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2165 | ||
2166 | if (!local->ops->set_rekey_data) | |
2167 | return -EOPNOTSUPP; | |
2168 | ||
2169 | drv_set_rekey_data(local, sdata, data); | |
2170 | ||
2171 | return 0; | |
2172 | } | |
2173 | ||
dfe018bf AN |
2174 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2175 | { | |
2176 | u8 *pos = (void *)skb_put(skb, 7); | |
2177 | ||
2178 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2179 | *pos++ = 5; /* len */ | |
2180 | *pos++ = 0x0; | |
2181 | *pos++ = 0x0; | |
2182 | *pos++ = 0x0; | |
2183 | *pos++ = 0x0; | |
2184 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2185 | } | |
2186 | ||
2187 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2188 | { | |
2189 | struct ieee80211_local *local = sdata->local; | |
2190 | u16 capab; | |
2191 | ||
2192 | capab = 0; | |
2193 | if (local->oper_channel->band != IEEE80211_BAND_2GHZ) | |
2194 | return capab; | |
2195 | ||
2196 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2197 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2198 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2199 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2200 | ||
2201 | return capab; | |
2202 | } | |
2203 | ||
2204 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2205 | u8 *peer, u8 *bssid) | |
2206 | { | |
2207 | struct ieee80211_tdls_lnkie *lnkid; | |
2208 | ||
2209 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2210 | ||
2211 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2212 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2213 | ||
2214 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2215 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2216 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2217 | } | |
2218 | ||
2219 | static int | |
2220 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2221 | u8 *peer, u8 action_code, u8 dialog_token, | |
2222 | u16 status_code, struct sk_buff *skb) | |
2223 | { | |
2224 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2225 | struct ieee80211_tdls_data *tf; | |
2226 | ||
2227 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2228 | ||
2229 | memcpy(tf->da, peer, ETH_ALEN); | |
2230 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2231 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2232 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2233 | ||
2234 | switch (action_code) { | |
2235 | case WLAN_TDLS_SETUP_REQUEST: | |
2236 | tf->category = WLAN_CATEGORY_TDLS; | |
2237 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2238 | ||
2239 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2240 | tf->u.setup_req.dialog_token = dialog_token; | |
2241 | tf->u.setup_req.capability = | |
2242 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2243 | ||
2244 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2245 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2246 | ieee80211_tdls_add_ext_capab(skb); | |
2247 | break; | |
2248 | case WLAN_TDLS_SETUP_RESPONSE: | |
2249 | tf->category = WLAN_CATEGORY_TDLS; | |
2250 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2251 | ||
2252 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2253 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2254 | tf->u.setup_resp.dialog_token = dialog_token; | |
2255 | tf->u.setup_resp.capability = | |
2256 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2257 | ||
2258 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2259 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2260 | ieee80211_tdls_add_ext_capab(skb); | |
2261 | break; | |
2262 | case WLAN_TDLS_SETUP_CONFIRM: | |
2263 | tf->category = WLAN_CATEGORY_TDLS; | |
2264 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2265 | ||
2266 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2267 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2268 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2269 | break; | |
2270 | case WLAN_TDLS_TEARDOWN: | |
2271 | tf->category = WLAN_CATEGORY_TDLS; | |
2272 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2273 | ||
2274 | skb_put(skb, sizeof(tf->u.teardown)); | |
2275 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2276 | break; | |
2277 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2278 | tf->category = WLAN_CATEGORY_TDLS; | |
2279 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2280 | ||
2281 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2282 | tf->u.discover_req.dialog_token = dialog_token; | |
2283 | break; | |
2284 | default: | |
2285 | return -EINVAL; | |
2286 | } | |
2287 | ||
2288 | return 0; | |
2289 | } | |
2290 | ||
2291 | static int | |
2292 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2293 | u8 *peer, u8 action_code, u8 dialog_token, | |
2294 | u16 status_code, struct sk_buff *skb) | |
2295 | { | |
2296 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2297 | struct ieee80211_mgmt *mgmt; | |
2298 | ||
2299 | mgmt = (void *)skb_put(skb, 24); | |
2300 | memset(mgmt, 0, 24); | |
2301 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2302 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2303 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2304 | ||
2305 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2306 | IEEE80211_STYPE_ACTION); | |
2307 | ||
2308 | switch (action_code) { | |
2309 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2310 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2311 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2312 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2313 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2314 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2315 | dialog_token; | |
2316 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2317 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2318 | ||
2319 | ieee80211_add_srates_ie(&sdata->vif, skb); | |
2320 | ieee80211_add_ext_srates_ie(&sdata->vif, skb); | |
2321 | ieee80211_tdls_add_ext_capab(skb); | |
2322 | break; | |
2323 | default: | |
2324 | return -EINVAL; | |
2325 | } | |
2326 | ||
2327 | return 0; | |
2328 | } | |
2329 | ||
2330 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2331 | u8 *peer, u8 action_code, u8 dialog_token, | |
2332 | u16 status_code, const u8 *extra_ies, | |
2333 | size_t extra_ies_len) | |
2334 | { | |
2335 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2336 | struct ieee80211_local *local = sdata->local; | |
2337 | struct ieee80211_tx_info *info; | |
2338 | struct sk_buff *skb = NULL; | |
2339 | bool send_direct; | |
2340 | int ret; | |
2341 | ||
2342 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2343 | return -ENOTSUPP; | |
2344 | ||
2345 | /* make sure we are in managed mode, and associated */ | |
2346 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2347 | !sdata->u.mgd.associated) | |
2348 | return -EINVAL; | |
2349 | ||
2350 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2351 | printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer); | |
2352 | #endif | |
2353 | ||
2354 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2355 | max(sizeof(struct ieee80211_mgmt), | |
2356 | sizeof(struct ieee80211_tdls_data)) + | |
2357 | 50 + /* supported rates */ | |
2358 | 7 + /* ext capab */ | |
2359 | extra_ies_len + | |
2360 | sizeof(struct ieee80211_tdls_lnkie)); | |
2361 | if (!skb) | |
2362 | return -ENOMEM; | |
2363 | ||
2364 | info = IEEE80211_SKB_CB(skb); | |
2365 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2366 | ||
2367 | switch (action_code) { | |
2368 | case WLAN_TDLS_SETUP_REQUEST: | |
2369 | case WLAN_TDLS_SETUP_RESPONSE: | |
2370 | case WLAN_TDLS_SETUP_CONFIRM: | |
2371 | case WLAN_TDLS_TEARDOWN: | |
2372 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2373 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2374 | action_code, dialog_token, | |
2375 | status_code, skb); | |
2376 | send_direct = false; | |
2377 | break; | |
2378 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2379 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2380 | dialog_token, status_code, | |
2381 | skb); | |
2382 | send_direct = true; | |
2383 | break; | |
2384 | default: | |
2385 | ret = -ENOTSUPP; | |
2386 | break; | |
2387 | } | |
2388 | ||
2389 | if (ret < 0) | |
2390 | goto fail; | |
2391 | ||
2392 | if (extra_ies_len) | |
2393 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2394 | ||
2395 | /* the TDLS link IE is always added last */ | |
2396 | switch (action_code) { | |
2397 | case WLAN_TDLS_SETUP_REQUEST: | |
2398 | case WLAN_TDLS_SETUP_CONFIRM: | |
2399 | case WLAN_TDLS_TEARDOWN: | |
2400 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2401 | /* we are the initiator */ | |
2402 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2403 | sdata->u.mgd.bssid); | |
2404 | break; | |
2405 | case WLAN_TDLS_SETUP_RESPONSE: | |
2406 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2407 | /* we are the responder */ | |
2408 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2409 | sdata->u.mgd.bssid); | |
2410 | break; | |
2411 | default: | |
2412 | ret = -ENOTSUPP; | |
2413 | goto fail; | |
2414 | } | |
2415 | ||
2416 | if (send_direct) { | |
2417 | ieee80211_tx_skb(sdata, skb); | |
2418 | return 0; | |
2419 | } | |
2420 | ||
2421 | /* | |
2422 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2423 | * we should default to AC_VI. | |
2424 | */ | |
2425 | switch (action_code) { | |
2426 | case WLAN_TDLS_SETUP_REQUEST: | |
2427 | case WLAN_TDLS_SETUP_RESPONSE: | |
2428 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2429 | skb->priority = 2; | |
2430 | break; | |
2431 | default: | |
2432 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2433 | skb->priority = 5; | |
2434 | break; | |
2435 | } | |
2436 | ||
2437 | /* disable bottom halves when entering the Tx path */ | |
2438 | local_bh_disable(); | |
2439 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2440 | local_bh_enable(); | |
2441 | ||
2442 | return ret; | |
2443 | ||
2444 | fail: | |
2445 | dev_kfree_skb(skb); | |
2446 | return ret; | |
2447 | } | |
2448 | ||
2449 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2450 | u8 *peer, enum nl80211_tdls_operation oper) | |
2451 | { | |
941c93cd | 2452 | struct sta_info *sta; |
dfe018bf AN |
2453 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2454 | ||
2455 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2456 | return -ENOTSUPP; | |
2457 | ||
2458 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2459 | return -EINVAL; | |
2460 | ||
2461 | #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG | |
2462 | printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer); | |
2463 | #endif | |
2464 | ||
2465 | switch (oper) { | |
2466 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2467 | rcu_read_lock(); |
2468 | sta = sta_info_get(sdata, peer); | |
2469 | if (!sta) { | |
2470 | rcu_read_unlock(); | |
2471 | return -ENOLINK; | |
2472 | } | |
2473 | ||
c2c98fde | 2474 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2475 | rcu_read_unlock(); |
dfe018bf AN |
2476 | break; |
2477 | case NL80211_TDLS_DISABLE_LINK: | |
2478 | return sta_info_destroy_addr(sdata, peer); | |
2479 | case NL80211_TDLS_TEARDOWN: | |
2480 | case NL80211_TDLS_SETUP: | |
2481 | case NL80211_TDLS_DISCOVERY_REQ: | |
2482 | /* We don't support in-driver setup/teardown/discovery */ | |
2483 | return -ENOTSUPP; | |
2484 | default: | |
2485 | return -ENOTSUPP; | |
2486 | } | |
2487 | ||
2488 | return 0; | |
2489 | } | |
2490 | ||
f0706e82 JB |
2491 | struct cfg80211_ops mac80211_config_ops = { |
2492 | .add_virtual_intf = ieee80211_add_iface, | |
2493 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2494 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2495 | .add_key = ieee80211_add_key, |
2496 | .del_key = ieee80211_del_key, | |
62da92fb | 2497 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2498 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2499 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2500 | .add_beacon = ieee80211_add_beacon, |
2501 | .set_beacon = ieee80211_set_beacon, | |
2502 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2503 | .add_station = ieee80211_add_station, |
2504 | .del_station = ieee80211_del_station, | |
2505 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2506 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2507 | .dump_station = ieee80211_dump_station, |
1289723e | 2508 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2509 | #ifdef CONFIG_MAC80211_MESH |
2510 | .add_mpath = ieee80211_add_mpath, | |
2511 | .del_mpath = ieee80211_del_mpath, | |
2512 | .change_mpath = ieee80211_change_mpath, | |
2513 | .get_mpath = ieee80211_get_mpath, | |
2514 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2515 | .update_mesh_config = ieee80211_update_mesh_config, |
2516 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2517 | .join_mesh = ieee80211_join_mesh, |
2518 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2519 | #endif |
9f1ba906 | 2520 | .change_bss = ieee80211_change_bss, |
31888487 | 2521 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2522 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2523 | .suspend = ieee80211_suspend, |
2524 | .resume = ieee80211_resume, | |
2a519311 | 2525 | .scan = ieee80211_scan, |
79f460ca LC |
2526 | .sched_scan_start = ieee80211_sched_scan_start, |
2527 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
2528 | .auth = ieee80211_auth, |
2529 | .assoc = ieee80211_assoc, | |
2530 | .deauth = ieee80211_deauth, | |
2531 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2532 | .join_ibss = ieee80211_join_ibss, |
2533 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2534 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2535 | .set_tx_power = ieee80211_set_tx_power, |
2536 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2537 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2538 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2539 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 2540 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 2541 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2542 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2543 | .remain_on_channel = ieee80211_remain_on_channel, |
2544 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2545 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2546 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2547 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2548 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2549 | .set_antenna = ieee80211_set_antenna, |
2550 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2551 | .set_ringparam = ieee80211_set_ringparam, |
2552 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 2553 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
2554 | .tdls_oper = ieee80211_tdls_oper, |
2555 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
f0706e82 | 2556 | }; |