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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> |
f0706e82 JB |
15 | #include <net/cfg80211.h> |
16 | #include "ieee80211_i.h" | |
24487981 | 17 | #include "driver-ops.h" |
e0eb6859 | 18 | #include "cfg.h" |
2c8dccc7 | 19 | #include "rate.h" |
c5dd9c2b | 20 | #include "mesh.h" |
c5dd9c2b | 21 | |
f9e10ce4 JB |
22 | static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
23 | enum nl80211_iftype type, | |
24 | u32 *flags, | |
25 | struct vif_params *params) | |
f0706e82 JB |
26 | { |
27 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
28 | struct net_device *dev; |
29 | struct ieee80211_sub_if_data *sdata; | |
30 | int err; | |
f0706e82 | 31 | |
05c914fe | 32 | err = ieee80211_if_add(local, name, &dev, type, params); |
f9e10ce4 JB |
33 | if (err) |
34 | return ERR_PTR(err); | |
8cc9a739 | 35 | |
f9e10ce4 JB |
36 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
37 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
38 | sdata->u.mntr_flags = *flags; | |
39 | } | |
40 | ||
41 | return dev; | |
f0706e82 JB |
42 | } |
43 | ||
463d0183 | 44 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 45 | { |
463d0183 | 46 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 47 | |
75636525 | 48 | return 0; |
f0706e82 JB |
49 | } |
50 | ||
e36d56b6 JB |
51 | static int ieee80211_change_iface(struct wiphy *wiphy, |
52 | struct net_device *dev, | |
2ec600d6 LCC |
53 | enum nl80211_iftype type, u32 *flags, |
54 | struct vif_params *params) | |
42613db7 | 55 | { |
9607e6b6 | 56 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 57 | int ret; |
42613db7 | 58 | |
05c914fe | 59 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
60 | if (ret) |
61 | return ret; | |
42613db7 | 62 | |
9bc383de JB |
63 | if (type == NL80211_IFTYPE_AP_VLAN && |
64 | params && params->use_4addr == 0) | |
65 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
66 | else if (type == NL80211_IFTYPE_STATION && | |
67 | params && params->use_4addr >= 0) | |
68 | sdata->u.mgd.use_4addr = params->use_4addr; | |
69 | ||
85416a4f CL |
70 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
71 | struct ieee80211_local *local = sdata->local; | |
72 | ||
73 | if (ieee80211_sdata_running(sdata)) { | |
74 | /* | |
75 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
76 | * changed while the interface is up. | |
77 | * Else we would need to add a lot of cruft | |
78 | * to update everything: | |
79 | * cooked_mntrs, monitor and all fif_* counters | |
80 | * reconfigure hardware | |
81 | */ | |
82 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
83 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
84 | return -EBUSY; | |
85 | ||
86 | ieee80211_adjust_monitor_flags(sdata, -1); | |
87 | sdata->u.mntr_flags = *flags; | |
88 | ieee80211_adjust_monitor_flags(sdata, 1); | |
89 | ||
90 | ieee80211_configure_filter(local); | |
91 | } else { | |
92 | /* | |
93 | * Because the interface is down, ieee80211_do_stop | |
94 | * and ieee80211_do_open take care of "everything" | |
95 | * mentioned in the comment above. | |
96 | */ | |
97 | sdata->u.mntr_flags = *flags; | |
98 | } | |
99 | } | |
f7917af9 | 100 | |
42613db7 JB |
101 | return 0; |
102 | } | |
103 | ||
e8cbb4cb | 104 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 105 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
106 | struct key_params *params) |
107 | { | |
26a58456 | 108 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 109 | struct sta_info *sta = NULL; |
db4d1169 | 110 | struct ieee80211_key *key; |
3b96766f | 111 | int err; |
e8cbb4cb | 112 | |
26a58456 | 113 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
114 | return -ENETDOWN; |
115 | ||
97359d12 | 116 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
117 | switch (params->cipher) { |
118 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 119 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
120 | case WLAN_CIPHER_SUITE_WEP104: |
121 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
122 | return -EINVAL; | |
3cfcf6ac | 123 | break; |
e8cbb4cb | 124 | default: |
97359d12 | 125 | break; |
e8cbb4cb JB |
126 | } |
127 | ||
97359d12 JB |
128 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
129 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
130 | if (IS_ERR(key)) |
131 | return PTR_ERR(key); | |
db4d1169 | 132 | |
e31b8213 JB |
133 | if (pairwise) |
134 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
135 | ||
ad0e2b5a | 136 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 137 | |
e8cbb4cb | 138 | if (mac_addr) { |
ff973af7 TP |
139 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
140 | sta = sta_info_get(sdata, mac_addr); | |
141 | else | |
142 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 143 | if (!sta) { |
32162a4d | 144 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
145 | err = -ENOENT; |
146 | goto out_unlock; | |
db4d1169 | 147 | } |
e8cbb4cb JB |
148 | } |
149 | ||
3ffc2a90 JB |
150 | err = ieee80211_key_link(key, sdata, sta); |
151 | if (err) | |
152 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 153 | |
3b96766f | 154 | out_unlock: |
ad0e2b5a | 155 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
156 | |
157 | return err; | |
e8cbb4cb JB |
158 | } |
159 | ||
160 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 161 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 162 | { |
5c0c3641 JB |
163 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
164 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 165 | struct sta_info *sta; |
5c0c3641 | 166 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
167 | int ret; |
168 | ||
5c0c3641 JB |
169 | mutex_lock(&local->sta_mtx); |
170 | mutex_lock(&local->key_mtx); | |
3b96766f | 171 | |
e8cbb4cb | 172 | if (mac_addr) { |
3b96766f JB |
173 | ret = -ENOENT; |
174 | ||
0e5ded5a | 175 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 176 | if (!sta) |
3b96766f | 177 | goto out_unlock; |
e8cbb4cb | 178 | |
5c0c3641 | 179 | if (pairwise) |
40b275b6 | 180 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 181 | else |
40b275b6 | 182 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 183 | } else |
40b275b6 | 184 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 185 | |
5c0c3641 | 186 | if (!key) { |
3b96766f JB |
187 | ret = -ENOENT; |
188 | goto out_unlock; | |
189 | } | |
e8cbb4cb | 190 | |
5c0c3641 | 191 | __ieee80211_key_free(key); |
e8cbb4cb | 192 | |
3b96766f JB |
193 | ret = 0; |
194 | out_unlock: | |
5c0c3641 JB |
195 | mutex_unlock(&local->key_mtx); |
196 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
197 | |
198 | return ret; | |
e8cbb4cb JB |
199 | } |
200 | ||
62da92fb | 201 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
202 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
203 | void *cookie, | |
62da92fb JB |
204 | void (*callback)(void *cookie, |
205 | struct key_params *params)) | |
206 | { | |
14db74bc | 207 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
208 | struct sta_info *sta = NULL; |
209 | u8 seq[6] = {0}; | |
210 | struct key_params params; | |
e31b8213 | 211 | struct ieee80211_key *key = NULL; |
62da92fb JB |
212 | u32 iv32; |
213 | u16 iv16; | |
214 | int err = -ENOENT; | |
215 | ||
14db74bc JB |
216 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
217 | ||
3b96766f JB |
218 | rcu_read_lock(); |
219 | ||
62da92fb | 220 | if (mac_addr) { |
0e5ded5a | 221 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
222 | if (!sta) |
223 | goto out; | |
224 | ||
e31b8213 | 225 | if (pairwise) |
a3836e02 | 226 | key = rcu_dereference(sta->ptk); |
e31b8213 | 227 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 228 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 229 | } else |
a3836e02 | 230 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
231 | |
232 | if (!key) | |
233 | goto out; | |
234 | ||
235 | memset(¶ms, 0, sizeof(params)); | |
236 | ||
97359d12 | 237 | params.cipher = key->conf.cipher; |
62da92fb | 238 | |
97359d12 JB |
239 | switch (key->conf.cipher) { |
240 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
241 | iv32 = key->u.tkip.tx.iv32; |
242 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 243 | |
24487981 JB |
244 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
245 | drv_get_tkip_seq(sdata->local, | |
246 | key->conf.hw_key_idx, | |
247 | &iv32, &iv16); | |
62da92fb JB |
248 | |
249 | seq[0] = iv16 & 0xff; | |
250 | seq[1] = (iv16 >> 8) & 0xff; | |
251 | seq[2] = iv32 & 0xff; | |
252 | seq[3] = (iv32 >> 8) & 0xff; | |
253 | seq[4] = (iv32 >> 16) & 0xff; | |
254 | seq[5] = (iv32 >> 24) & 0xff; | |
255 | params.seq = seq; | |
256 | params.seq_len = 6; | |
257 | break; | |
97359d12 | 258 | case WLAN_CIPHER_SUITE_CCMP: |
62da92fb JB |
259 | seq[0] = key->u.ccmp.tx_pn[5]; |
260 | seq[1] = key->u.ccmp.tx_pn[4]; | |
261 | seq[2] = key->u.ccmp.tx_pn[3]; | |
262 | seq[3] = key->u.ccmp.tx_pn[2]; | |
263 | seq[4] = key->u.ccmp.tx_pn[1]; | |
264 | seq[5] = key->u.ccmp.tx_pn[0]; | |
265 | params.seq = seq; | |
266 | params.seq_len = 6; | |
267 | break; | |
97359d12 | 268 | case WLAN_CIPHER_SUITE_AES_CMAC: |
3cfcf6ac JM |
269 | seq[0] = key->u.aes_cmac.tx_pn[5]; |
270 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
271 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
272 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
273 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
274 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
275 | params.seq = seq; | |
276 | params.seq_len = 6; | |
277 | break; | |
62da92fb JB |
278 | } |
279 | ||
280 | params.key = key->conf.key; | |
281 | params.key_len = key->conf.keylen; | |
282 | ||
283 | callback(cookie, ¶ms); | |
284 | err = 0; | |
285 | ||
286 | out: | |
3b96766f | 287 | rcu_read_unlock(); |
62da92fb JB |
288 | return err; |
289 | } | |
290 | ||
e8cbb4cb JB |
291 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
292 | struct net_device *dev, | |
dbd2fd65 JB |
293 | u8 key_idx, bool uni, |
294 | bool multi) | |
e8cbb4cb | 295 | { |
ad0e2b5a | 296 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 297 | |
f7e0104c | 298 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
299 | |
300 | return 0; | |
301 | } | |
302 | ||
3cfcf6ac JM |
303 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
304 | struct net_device *dev, | |
305 | u8 key_idx) | |
306 | { | |
66c52421 | 307 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 308 | |
3cfcf6ac JM |
309 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
310 | ||
3cfcf6ac JM |
311 | return 0; |
312 | } | |
313 | ||
3af6334c FF |
314 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
315 | { | |
316 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
317 | struct ieee80211_supported_band *sband; | |
318 | sband = sta->local->hw.wiphy->bands[ | |
319 | sta->local->hw.conf.channel->band]; | |
320 | rate->legacy = sband->bitrates[idx].bitrate; | |
321 | } else | |
322 | rate->mcs = idx; | |
323 | } | |
324 | ||
c5dd9c2b LCC |
325 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
326 | { | |
d0709a65 | 327 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
ebe27c91 | 328 | struct timespec uptime; |
c5dd9c2b | 329 | |
f5ea9120 JB |
330 | sinfo->generation = sdata->local->sta_generation; |
331 | ||
c5dd9c2b LCC |
332 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
333 | STATION_INFO_RX_BYTES | | |
420e7fab | 334 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
335 | STATION_INFO_RX_PACKETS | |
336 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
337 | STATION_INFO_TX_RETRIES | |
338 | STATION_INFO_TX_FAILED | | |
5a5c731a | 339 | STATION_INFO_TX_BITRATE | |
3af6334c | 340 | STATION_INFO_RX_BITRATE | |
f4263c98 | 341 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 MSS |
342 | STATION_INFO_BSS_PARAM | |
343 | STATION_INFO_CONNECTED_TIME; | |
344 | ||
345 | do_posix_clock_monotonic_gettime(&uptime); | |
346 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
347 | |
348 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
349 | sinfo->rx_bytes = sta->rx_bytes; | |
350 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
351 | sinfo->rx_packets = sta->rx_packets; |
352 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
353 | sinfo->tx_retries = sta->tx_retry_count; |
354 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 355 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 356 | |
19deffbe JL |
357 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
358 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 359 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 360 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 361 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
362 | } |
363 | ||
364 | sinfo->txrate.flags = 0; | |
365 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
366 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
367 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
368 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
369 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
370 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
371 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
372 | ||
373 | sinfo->rxrate.flags = 0; | |
374 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
375 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
376 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
377 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
378 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
379 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
380 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 381 | |
902acc78 | 382 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 383 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
384 | sinfo->filled |= STATION_INFO_LLID | |
385 | STATION_INFO_PLID | | |
386 | STATION_INFO_PLINK_STATE; | |
387 | ||
388 | sinfo->llid = le16_to_cpu(sta->llid); | |
389 | sinfo->plid = le16_to_cpu(sta->plid); | |
390 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 391 | #endif |
902acc78 | 392 | } |
f4263c98 PS |
393 | |
394 | sinfo->bss_param.flags = 0; | |
395 | if (sdata->vif.bss_conf.use_cts_prot) | |
396 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
397 | if (sdata->vif.bss_conf.use_short_preamble) | |
398 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
399 | if (sdata->vif.bss_conf.use_short_slot) | |
400 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
401 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
402 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
c5dd9c2b LCC |
403 | } |
404 | ||
405 | ||
406 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
407 | int idx, u8 *mac, struct station_info *sinfo) | |
408 | { | |
3b53fde8 | 409 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 410 | struct sta_info *sta; |
d0709a65 JB |
411 | int ret = -ENOENT; |
412 | ||
413 | rcu_read_lock(); | |
c5dd9c2b | 414 | |
3b53fde8 | 415 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
416 | if (sta) { |
417 | ret = 0; | |
17741cdc | 418 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
419 | sta_set_sinfo(sta, sinfo); |
420 | } | |
c5dd9c2b | 421 | |
d0709a65 | 422 | rcu_read_unlock(); |
c5dd9c2b | 423 | |
d0709a65 | 424 | return ret; |
c5dd9c2b LCC |
425 | } |
426 | ||
1289723e HS |
427 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
428 | int idx, struct survey_info *survey) | |
429 | { | |
430 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
431 | ||
1289723e HS |
432 | return drv_get_survey(local, idx, survey); |
433 | } | |
434 | ||
7bbdd2d9 | 435 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 436 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 437 | { |
abe60632 | 438 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 439 | struct sta_info *sta; |
d0709a65 | 440 | int ret = -ENOENT; |
7bbdd2d9 | 441 | |
d0709a65 | 442 | rcu_read_lock(); |
7bbdd2d9 | 443 | |
0e5ded5a | 444 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
445 | if (sta) { |
446 | ret = 0; | |
447 | sta_set_sinfo(sta, sinfo); | |
448 | } | |
449 | ||
450 | rcu_read_unlock(); | |
451 | ||
452 | return ret; | |
7bbdd2d9 JB |
453 | } |
454 | ||
5dfdaf58 JB |
455 | /* |
456 | * This handles both adding a beacon and setting new beacon info | |
457 | */ | |
458 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
459 | struct beacon_parameters *params) | |
460 | { | |
461 | struct beacon_data *new, *old; | |
462 | int new_head_len, new_tail_len; | |
463 | int size; | |
464 | int err = -EINVAL; | |
465 | ||
40b275b6 | 466 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
467 | |
468 | /* head must not be zero-length */ | |
469 | if (params->head && !params->head_len) | |
470 | return -EINVAL; | |
471 | ||
472 | /* | |
473 | * This is a kludge. beacon interval should really be part | |
474 | * of the beacon information. | |
475 | */ | |
57c4d7b4 JB |
476 | if (params->interval && |
477 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
478 | sdata->vif.bss_conf.beacon_int = params->interval; | |
479 | ieee80211_bss_info_change_notify(sdata, | |
480 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
481 | } |
482 | ||
483 | /* Need to have a beacon head if we don't have one yet */ | |
484 | if (!params->head && !old) | |
485 | return err; | |
486 | ||
487 | /* sorry, no way to start beaconing without dtim period */ | |
488 | if (!params->dtim_period && !old) | |
489 | return err; | |
490 | ||
491 | /* new or old head? */ | |
492 | if (params->head) | |
493 | new_head_len = params->head_len; | |
494 | else | |
495 | new_head_len = old->head_len; | |
496 | ||
497 | /* new or old tail? */ | |
498 | if (params->tail || !old) | |
499 | /* params->tail_len will be zero for !params->tail */ | |
500 | new_tail_len = params->tail_len; | |
501 | else | |
502 | new_tail_len = old->tail_len; | |
503 | ||
504 | size = sizeof(*new) + new_head_len + new_tail_len; | |
505 | ||
506 | new = kzalloc(size, GFP_KERNEL); | |
507 | if (!new) | |
508 | return -ENOMEM; | |
509 | ||
510 | /* start filling the new info now */ | |
511 | ||
512 | /* new or old dtim period? */ | |
513 | if (params->dtim_period) | |
514 | new->dtim_period = params->dtim_period; | |
515 | else | |
516 | new->dtim_period = old->dtim_period; | |
517 | ||
518 | /* | |
519 | * pointers go into the block we allocated, | |
520 | * memory is | beacon_data | head | tail | | |
521 | */ | |
522 | new->head = ((u8 *) new) + sizeof(*new); | |
523 | new->tail = new->head + new_head_len; | |
524 | new->head_len = new_head_len; | |
525 | new->tail_len = new_tail_len; | |
526 | ||
527 | /* copy in head */ | |
528 | if (params->head) | |
529 | memcpy(new->head, params->head, new_head_len); | |
530 | else | |
531 | memcpy(new->head, old->head, new_head_len); | |
532 | ||
533 | /* copy in optional tail */ | |
534 | if (params->tail) | |
535 | memcpy(new->tail, params->tail, new_tail_len); | |
536 | else | |
537 | if (old) | |
538 | memcpy(new->tail, old->tail, new_tail_len); | |
539 | ||
19885c4f JB |
540 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
541 | ||
5dfdaf58 JB |
542 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
543 | ||
544 | synchronize_rcu(); | |
545 | ||
546 | kfree(old); | |
547 | ||
2d0ddec5 JB |
548 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
549 | BSS_CHANGED_BEACON); | |
550 | return 0; | |
5dfdaf58 JB |
551 | } |
552 | ||
553 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
554 | struct beacon_parameters *params) | |
555 | { | |
14db74bc | 556 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
557 | struct beacon_data *old; |
558 | ||
14db74bc JB |
559 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
560 | ||
40b275b6 | 561 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
562 | if (old) |
563 | return -EALREADY; | |
564 | ||
565 | return ieee80211_config_beacon(sdata, params); | |
566 | } | |
567 | ||
568 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
569 | struct beacon_parameters *params) | |
570 | { | |
14db74bc | 571 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
572 | struct beacon_data *old; |
573 | ||
14db74bc JB |
574 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
575 | ||
40b275b6 | 576 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
577 | if (!old) |
578 | return -ENOENT; | |
579 | ||
580 | return ieee80211_config_beacon(sdata, params); | |
581 | } | |
582 | ||
583 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
584 | { | |
14db74bc | 585 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
586 | struct beacon_data *old; |
587 | ||
14db74bc JB |
588 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
589 | ||
40b275b6 | 590 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
591 | if (!old) |
592 | return -ENOENT; | |
593 | ||
594 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
595 | synchronize_rcu(); | |
596 | kfree(old); | |
597 | ||
2d0ddec5 JB |
598 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
599 | return 0; | |
5dfdaf58 JB |
600 | } |
601 | ||
4fd6931e JB |
602 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
603 | struct iapp_layer2_update { | |
604 | u8 da[ETH_ALEN]; /* broadcast */ | |
605 | u8 sa[ETH_ALEN]; /* STA addr */ | |
606 | __be16 len; /* 6 */ | |
607 | u8 dsap; /* 0 */ | |
608 | u8 ssap; /* 0 */ | |
609 | u8 control; | |
610 | u8 xid_info[3]; | |
bc10502d | 611 | } __packed; |
4fd6931e JB |
612 | |
613 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
614 | { | |
615 | struct iapp_layer2_update *msg; | |
616 | struct sk_buff *skb; | |
617 | ||
618 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
619 | * bridge devices */ | |
620 | ||
621 | skb = dev_alloc_skb(sizeof(*msg)); | |
622 | if (!skb) | |
623 | return; | |
624 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
625 | ||
626 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
627 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
628 | ||
629 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 630 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
631 | msg->len = htons(6); |
632 | msg->dsap = 0; | |
633 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
634 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
635 | * F=0 (no poll command; unsolicited frame) */ | |
636 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
637 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
638 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
639 | ||
d0709a65 JB |
640 | skb->dev = sta->sdata->dev; |
641 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 642 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 643 | netif_rx_ni(skb); |
4fd6931e JB |
644 | } |
645 | ||
646 | static void sta_apply_parameters(struct ieee80211_local *local, | |
647 | struct sta_info *sta, | |
648 | struct station_parameters *params) | |
649 | { | |
f5521b13 | 650 | unsigned long flags; |
4fd6931e JB |
651 | u32 rates; |
652 | int i, j; | |
8318d78a | 653 | struct ieee80211_supported_band *sband; |
d0709a65 | 654 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 655 | u32 mask, set; |
4fd6931e | 656 | |
ae5eb026 JB |
657 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
658 | ||
f5521b13 | 659 | spin_lock_irqsave(&sta->flaglock, flags); |
eccb8e8f JB |
660 | mask = params->sta_flags_mask; |
661 | set = params->sta_flags_set; | |
73651ee6 | 662 | |
eccb8e8f | 663 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 664 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 665 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 666 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 667 | } |
4fd6931e | 668 | |
eccb8e8f | 669 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 670 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 671 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 672 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 673 | } |
4fd6931e | 674 | |
eccb8e8f | 675 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 676 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 677 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 678 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 679 | } |
5394af4d | 680 | |
eccb8e8f | 681 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 682 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 683 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 684 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 685 | } |
b39c48fa JC |
686 | |
687 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
688 | sta->flags &= ~WLAN_STA_AUTH; | |
689 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
690 | sta->flags |= WLAN_STA_AUTH; | |
691 | } | |
f5521b13 | 692 | spin_unlock_irqrestore(&sta->flaglock, flags); |
4fd6931e | 693 | |
51b50fbe JB |
694 | /* |
695 | * cfg80211 validates this (1-2007) and allows setting the AID | |
696 | * only when creating a new station entry | |
697 | */ | |
698 | if (params->aid) | |
699 | sta->sta.aid = params->aid; | |
700 | ||
73651ee6 JB |
701 | /* |
702 | * FIXME: updating the following information is racy when this | |
703 | * function is called from ieee80211_change_station(). | |
704 | * However, all this information should be static so | |
705 | * maybe we should just reject attemps to change it. | |
706 | */ | |
707 | ||
4fd6931e JB |
708 | if (params->listen_interval >= 0) |
709 | sta->listen_interval = params->listen_interval; | |
710 | ||
711 | if (params->supported_rates) { | |
712 | rates = 0; | |
8318d78a | 713 | |
4fd6931e JB |
714 | for (i = 0; i < params->supported_rates_len; i++) { |
715 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
716 | for (j = 0; j < sband->n_bitrates; j++) { |
717 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
718 | rates |= BIT(j); |
719 | } | |
720 | } | |
323ce79a | 721 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 722 | } |
c5dd9c2b | 723 | |
d9fe60de | 724 | if (params->ht_capa) |
ae5eb026 JB |
725 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
726 | params->ht_capa, | |
d9fe60de | 727 | &sta->sta.ht_cap); |
36aedc90 | 728 | |
9c3990aa | 729 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 730 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
731 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
732 | switch (params->plink_state) { | |
57cf8043 JC |
733 | case NL80211_PLINK_LISTEN: |
734 | case NL80211_PLINK_ESTAB: | |
735 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
736 | sta->plink_state = params->plink_state; |
737 | break; | |
738 | default: | |
739 | /* nothing */ | |
740 | break; | |
741 | } | |
742 | else | |
743 | switch (params->plink_action) { | |
744 | case PLINK_ACTION_OPEN: | |
745 | mesh_plink_open(sta); | |
746 | break; | |
747 | case PLINK_ACTION_BLOCK: | |
748 | mesh_plink_block(sta); | |
749 | break; | |
750 | } | |
4daf50f2 | 751 | #endif |
902acc78 | 752 | } |
4fd6931e JB |
753 | } |
754 | ||
755 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
756 | u8 *mac, struct station_parameters *params) | |
757 | { | |
14db74bc | 758 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
759 | struct sta_info *sta; |
760 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 761 | int err; |
b8d476c8 | 762 | int layer2_update; |
4fd6931e | 763 | |
4fd6931e JB |
764 | if (params->vlan) { |
765 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
766 | ||
05c914fe JB |
767 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
768 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
769 | return -EINVAL; |
770 | } else | |
771 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
772 | ||
47846c9b | 773 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
774 | return -EINVAL; |
775 | ||
776 | if (is_multicast_ether_addr(mac)) | |
777 | return -EINVAL; | |
778 | ||
779 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
780 | if (!sta) |
781 | return -ENOMEM; | |
4fd6931e JB |
782 | |
783 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
784 | ||
785 | sta_apply_parameters(local, sta, params); | |
786 | ||
4b7679a5 | 787 | rate_control_rate_init(sta); |
4fd6931e | 788 | |
b8d476c8 JM |
789 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
790 | sdata->vif.type == NL80211_IFTYPE_AP; | |
791 | ||
34e89507 | 792 | err = sta_info_insert_rcu(sta); |
73651ee6 | 793 | if (err) { |
73651ee6 JB |
794 | rcu_read_unlock(); |
795 | return err; | |
796 | } | |
797 | ||
b8d476c8 | 798 | if (layer2_update) |
73651ee6 JB |
799 | ieee80211_send_layer2_update(sta); |
800 | ||
801 | rcu_read_unlock(); | |
802 | ||
4fd6931e JB |
803 | return 0; |
804 | } | |
805 | ||
806 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
807 | u8 *mac) | |
808 | { | |
14db74bc JB |
809 | struct ieee80211_local *local = wiphy_priv(wiphy); |
810 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 811 | |
14db74bc JB |
812 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
813 | ||
34e89507 JB |
814 | if (mac) |
815 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 816 | |
34e89507 | 817 | sta_info_flush(local, sdata); |
4fd6931e JB |
818 | return 0; |
819 | } | |
820 | ||
821 | static int ieee80211_change_station(struct wiphy *wiphy, | |
822 | struct net_device *dev, | |
823 | u8 *mac, | |
824 | struct station_parameters *params) | |
825 | { | |
abe60632 | 826 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 827 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
828 | struct sta_info *sta; |
829 | struct ieee80211_sub_if_data *vlansdata; | |
830 | ||
98dd6a57 JB |
831 | rcu_read_lock(); |
832 | ||
0e5ded5a | 833 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
834 | if (!sta) { |
835 | rcu_read_unlock(); | |
4fd6931e | 836 | return -ENOENT; |
98dd6a57 | 837 | } |
4fd6931e | 838 | |
d0709a65 | 839 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
840 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
841 | ||
05c914fe JB |
842 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
843 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 844 | rcu_read_unlock(); |
4fd6931e | 845 | return -EINVAL; |
98dd6a57 | 846 | } |
4fd6931e | 847 | |
9bc383de | 848 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
849 | if (vlansdata->u.vlan.sta) { |
850 | rcu_read_unlock(); | |
f14543ee | 851 | return -EBUSY; |
3305443c | 852 | } |
f14543ee FF |
853 | |
854 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
855 | } | |
856 | ||
14db74bc | 857 | sta->sdata = vlansdata; |
4fd6931e JB |
858 | ieee80211_send_layer2_update(sta); |
859 | } | |
860 | ||
861 | sta_apply_parameters(local, sta, params); | |
862 | ||
98dd6a57 JB |
863 | rcu_read_unlock(); |
864 | ||
808118cb JY |
865 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
866 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
867 | ieee80211_recalc_ps(local, -1); | |
868 | ||
4fd6931e JB |
869 | return 0; |
870 | } | |
871 | ||
c5dd9c2b LCC |
872 | #ifdef CONFIG_MAC80211_MESH |
873 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
874 | u8 *dst, u8 *next_hop) | |
875 | { | |
14db74bc | 876 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
877 | struct mesh_path *mpath; |
878 | struct sta_info *sta; | |
879 | int err; | |
880 | ||
14db74bc JB |
881 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
882 | ||
d0709a65 | 883 | rcu_read_lock(); |
abe60632 | 884 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
885 | if (!sta) { |
886 | rcu_read_unlock(); | |
c5dd9c2b | 887 | return -ENOENT; |
d0709a65 | 888 | } |
c5dd9c2b | 889 | |
f698d856 | 890 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
891 | if (err) { |
892 | rcu_read_unlock(); | |
c5dd9c2b | 893 | return err; |
d0709a65 | 894 | } |
c5dd9c2b | 895 | |
f698d856 | 896 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
897 | if (!mpath) { |
898 | rcu_read_unlock(); | |
c5dd9c2b LCC |
899 | return -ENXIO; |
900 | } | |
901 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 902 | |
c5dd9c2b LCC |
903 | rcu_read_unlock(); |
904 | return 0; | |
905 | } | |
906 | ||
907 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
908 | u8 *dst) | |
909 | { | |
f698d856 JBG |
910 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
911 | ||
c5dd9c2b | 912 | if (dst) |
f698d856 | 913 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 914 | |
f698d856 | 915 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
916 | return 0; |
917 | } | |
918 | ||
919 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
920 | struct net_device *dev, | |
921 | u8 *dst, u8 *next_hop) | |
922 | { | |
14db74bc | 923 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
924 | struct mesh_path *mpath; |
925 | struct sta_info *sta; | |
926 | ||
14db74bc JB |
927 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
928 | ||
d0709a65 JB |
929 | rcu_read_lock(); |
930 | ||
abe60632 | 931 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
932 | if (!sta) { |
933 | rcu_read_unlock(); | |
c5dd9c2b | 934 | return -ENOENT; |
d0709a65 | 935 | } |
c5dd9c2b | 936 | |
f698d856 | 937 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
938 | if (!mpath) { |
939 | rcu_read_unlock(); | |
c5dd9c2b LCC |
940 | return -ENOENT; |
941 | } | |
942 | ||
943 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 944 | |
c5dd9c2b LCC |
945 | rcu_read_unlock(); |
946 | return 0; | |
947 | } | |
948 | ||
949 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
950 | struct mpath_info *pinfo) | |
951 | { | |
a3836e02 JB |
952 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
953 | ||
954 | if (next_hop_sta) | |
955 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
956 | else |
957 | memset(next_hop, 0, ETH_ALEN); | |
958 | ||
f5ea9120 JB |
959 | pinfo->generation = mesh_paths_generation; |
960 | ||
c5dd9c2b | 961 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 962 | MPATH_INFO_SN | |
c5dd9c2b LCC |
963 | MPATH_INFO_METRIC | |
964 | MPATH_INFO_EXPTIME | | |
965 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
966 | MPATH_INFO_DISCOVERY_RETRIES | | |
967 | MPATH_INFO_FLAGS; | |
968 | ||
969 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 970 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
971 | pinfo->metric = mpath->metric; |
972 | if (time_before(jiffies, mpath->exp_time)) | |
973 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
974 | pinfo->discovery_timeout = | |
975 | jiffies_to_msecs(mpath->discovery_timeout); | |
976 | pinfo->discovery_retries = mpath->discovery_retries; | |
977 | pinfo->flags = 0; | |
978 | if (mpath->flags & MESH_PATH_ACTIVE) | |
979 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
980 | if (mpath->flags & MESH_PATH_RESOLVING) | |
981 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
982 | if (mpath->flags & MESH_PATH_SN_VALID) |
983 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
984 | if (mpath->flags & MESH_PATH_FIXED) |
985 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
986 | if (mpath->flags & MESH_PATH_RESOLVING) | |
987 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
988 | ||
989 | pinfo->flags = mpath->flags; | |
990 | } | |
991 | ||
992 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
993 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
994 | ||
995 | { | |
14db74bc | 996 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
997 | struct mesh_path *mpath; |
998 | ||
14db74bc JB |
999 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1000 | ||
c5dd9c2b | 1001 | rcu_read_lock(); |
f698d856 | 1002 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1003 | if (!mpath) { |
1004 | rcu_read_unlock(); | |
1005 | return -ENOENT; | |
1006 | } | |
1007 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1008 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1009 | rcu_read_unlock(); | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1014 | int idx, u8 *dst, u8 *next_hop, | |
1015 | struct mpath_info *pinfo) | |
1016 | { | |
14db74bc | 1017 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1018 | struct mesh_path *mpath; |
1019 | ||
14db74bc JB |
1020 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1021 | ||
c5dd9c2b | 1022 | rcu_read_lock(); |
f698d856 | 1023 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1024 | if (!mpath) { |
1025 | rcu_read_unlock(); | |
1026 | return -ENOENT; | |
1027 | } | |
1028 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1029 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1030 | rcu_read_unlock(); | |
1031 | return 0; | |
1032 | } | |
93da9cc1 | 1033 | |
24bdd9f4 | 1034 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1035 | struct net_device *dev, |
1036 | struct mesh_config *conf) | |
1037 | { | |
1038 | struct ieee80211_sub_if_data *sdata; | |
1039 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1040 | ||
93da9cc1 | 1041 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1046 | { | |
1047 | return (mask >> (parm-1)) & 0x1; | |
1048 | } | |
1049 | ||
c80d545d JC |
1050 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1051 | const struct mesh_setup *setup) | |
1052 | { | |
1053 | u8 *new_ie; | |
1054 | const u8 *old_ie; | |
1055 | ||
581a8b0f | 1056 | /* allocate information elements */ |
c80d545d | 1057 | new_ie = NULL; |
581a8b0f | 1058 | old_ie = ifmsh->ie; |
c80d545d | 1059 | |
581a8b0f JC |
1060 | if (setup->ie_len) { |
1061 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1062 | GFP_KERNEL); |
1063 | if (!new_ie) | |
1064 | return -ENOMEM; | |
1065 | } | |
581a8b0f JC |
1066 | ifmsh->ie_len = setup->ie_len; |
1067 | ifmsh->ie = new_ie; | |
1068 | kfree(old_ie); | |
c80d545d JC |
1069 | |
1070 | /* now copy the rest of the setup parameters */ | |
1071 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1072 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1073 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1074 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1075 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1076 | if (setup->is_authenticated) | |
1077 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1078 | if (setup->is_secure) | |
1079 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d JC |
1080 | |
1081 | return 0; | |
1082 | } | |
1083 | ||
24bdd9f4 | 1084 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1085 | struct net_device *dev, u32 mask, |
1086 | const struct mesh_config *nconf) | |
93da9cc1 | 1087 | { |
1088 | struct mesh_config *conf; | |
1089 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1090 | struct ieee80211_if_mesh *ifmsh; |
1091 | ||
93da9cc1 | 1092 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1093 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1094 | |
93da9cc1 | 1095 | /* Set the config options which we are interested in setting */ |
1096 | conf = &(sdata->u.mesh.mshcfg); | |
1097 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1098 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1099 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1100 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1101 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1102 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1103 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1104 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1105 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1106 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1107 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1108 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1109 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1110 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1111 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1112 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1113 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1114 | conf->dot11MeshHWMPmaxPREQretries = | |
1115 | nconf->dot11MeshHWMPmaxPREQretries; | |
1116 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1117 | conf->path_refresh_time = nconf->path_refresh_time; | |
1118 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1119 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1120 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1121 | conf->dot11MeshHWMPactivePathTimeout = | |
1122 | nconf->dot11MeshHWMPactivePathTimeout; | |
1123 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1124 | conf->dot11MeshHWMPpreqMinInterval = | |
1125 | nconf->dot11MeshHWMPpreqMinInterval; | |
1126 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1127 | mask)) | |
1128 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1129 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1130 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1131 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1132 | ieee80211_mesh_root_setup(ifmsh); | |
1133 | } | |
93da9cc1 | 1134 | return 0; |
1135 | } | |
1136 | ||
29cbe68c JB |
1137 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1138 | const struct mesh_config *conf, | |
1139 | const struct mesh_setup *setup) | |
1140 | { | |
1141 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1142 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1143 | int err; |
29cbe68c | 1144 | |
c80d545d JC |
1145 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1146 | err = copy_mesh_setup(ifmsh, setup); | |
1147 | if (err) | |
1148 | return err; | |
29cbe68c JB |
1149 | ieee80211_start_mesh(sdata); |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1155 | { | |
1156 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1157 | ||
1158 | ieee80211_stop_mesh(sdata); | |
1159 | ||
1160 | return 0; | |
1161 | } | |
c5dd9c2b LCC |
1162 | #endif |
1163 | ||
9f1ba906 JM |
1164 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1165 | struct net_device *dev, | |
1166 | struct bss_parameters *params) | |
1167 | { | |
9f1ba906 JM |
1168 | struct ieee80211_sub_if_data *sdata; |
1169 | u32 changed = 0; | |
1170 | ||
9f1ba906 JM |
1171 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1172 | ||
9f1ba906 | 1173 | if (params->use_cts_prot >= 0) { |
bda3933a | 1174 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1175 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1176 | } | |
1177 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1178 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1179 | params->use_short_preamble; |
1180 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1181 | } | |
43d35343 FF |
1182 | |
1183 | if (!sdata->vif.bss_conf.use_short_slot && | |
1184 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1185 | sdata->vif.bss_conf.use_short_slot = true; | |
1186 | changed |= BSS_CHANGED_ERP_SLOT; | |
1187 | } | |
1188 | ||
9f1ba906 | 1189 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1190 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1191 | params->use_short_slot_time; |
1192 | changed |= BSS_CHANGED_ERP_SLOT; | |
1193 | } | |
1194 | ||
90c97a04 JM |
1195 | if (params->basic_rates) { |
1196 | int i, j; | |
1197 | u32 rates = 0; | |
1198 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1199 | struct ieee80211_supported_band *sband = | |
1200 | wiphy->bands[local->oper_channel->band]; | |
1201 | ||
1202 | for (i = 0; i < params->basic_rates_len; i++) { | |
1203 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1204 | for (j = 0; j < sband->n_bitrates; j++) { | |
1205 | if (sband->bitrates[j].bitrate == rate) | |
1206 | rates |= BIT(j); | |
1207 | } | |
1208 | } | |
1209 | sdata->vif.bss_conf.basic_rates = rates; | |
1210 | changed |= BSS_CHANGED_BASIC_RATES; | |
1211 | } | |
1212 | ||
7b7b5e56 FF |
1213 | if (params->ap_isolate >= 0) { |
1214 | if (params->ap_isolate) | |
1215 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1216 | else | |
1217 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1218 | } | |
1219 | ||
80d7e403 HS |
1220 | if (params->ht_opmode >= 0) { |
1221 | sdata->vif.bss_conf.ht_operation_mode = | |
1222 | (u16) params->ht_opmode; | |
1223 | changed |= BSS_CHANGED_HT; | |
1224 | } | |
1225 | ||
9f1ba906 JM |
1226 | ieee80211_bss_info_change_notify(sdata, changed); |
1227 | ||
1228 | return 0; | |
1229 | } | |
1230 | ||
31888487 JM |
1231 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1232 | struct ieee80211_txq_params *params) | |
1233 | { | |
1234 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1235 | struct ieee80211_tx_queue_params p; | |
1236 | ||
1237 | if (!local->ops->conf_tx) | |
1238 | return -EOPNOTSUPP; | |
1239 | ||
1240 | memset(&p, 0, sizeof(p)); | |
1241 | p.aifs = params->aifs; | |
1242 | p.cw_max = params->cwmax; | |
1243 | p.cw_min = params->cwmin; | |
1244 | p.txop = params->txop; | |
ab13315a KV |
1245 | |
1246 | /* | |
1247 | * Setting tx queue params disables u-apsd because it's only | |
1248 | * called in master mode. | |
1249 | */ | |
1250 | p.uapsd = false; | |
1251 | ||
24487981 | 1252 | if (drv_conf_tx(local, params->queue, &p)) { |
0fb9a9ec JP |
1253 | wiphy_debug(local->hw.wiphy, |
1254 | "failed to set TX queue parameters for queue %d\n", | |
1255 | params->queue); | |
31888487 JM |
1256 | return -EINVAL; |
1257 | } | |
1258 | ||
1259 | return 0; | |
1260 | } | |
1261 | ||
72bdcf34 | 1262 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1263 | struct net_device *netdev, |
72bdcf34 | 1264 | struct ieee80211_channel *chan, |
094d05dc | 1265 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1266 | { |
1267 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1268 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1269 | struct ieee80211_channel *old_oper; |
1270 | enum nl80211_channel_type old_oper_type; | |
1271 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1272 | |
1273 | if (netdev) | |
1274 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1275 | |
f444de05 JB |
1276 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1277 | case CHAN_MODE_HOPPING: | |
1278 | return -EBUSY; | |
1279 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1280 | if (local->oper_channel != chan) |
1281 | return -EBUSY; | |
1282 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1283 | return 0; |
0aaffa9b | 1284 | break; |
f444de05 JB |
1285 | case CHAN_MODE_UNDEFINED: |
1286 | break; | |
1287 | } | |
72bdcf34 | 1288 | |
eeabee7e BG |
1289 | if (sdata) |
1290 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1291 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1292 | |
0aaffa9b JB |
1293 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1294 | return -EBUSY; | |
1295 | ||
eeabee7e BG |
1296 | old_oper = local->oper_channel; |
1297 | local->oper_channel = chan; | |
1298 | ||
1299 | /* Update driver if changes were actually made. */ | |
1300 | if ((old_oper != local->oper_channel) || | |
1301 | (old_oper_type != local->_oper_channel_type)) | |
1302 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1303 | ||
1304 | if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && | |
1305 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) | |
0aaffa9b JB |
1306 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1307 | ||
1308 | return 0; | |
72bdcf34 JM |
1309 | } |
1310 | ||
665af4fc | 1311 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1312 | static int ieee80211_suspend(struct wiphy *wiphy, |
1313 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1314 | { |
eecc4800 | 1315 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1316 | } |
1317 | ||
1318 | static int ieee80211_resume(struct wiphy *wiphy) | |
1319 | { | |
1320 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1321 | } | |
1322 | #else | |
1323 | #define ieee80211_suspend NULL | |
1324 | #define ieee80211_resume NULL | |
1325 | #endif | |
1326 | ||
2a519311 JB |
1327 | static int ieee80211_scan(struct wiphy *wiphy, |
1328 | struct net_device *dev, | |
1329 | struct cfg80211_scan_request *req) | |
1330 | { | |
2ca27bcf | 1331 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1332 | |
2ca27bcf JB |
1333 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1334 | case NL80211_IFTYPE_STATION: | |
1335 | case NL80211_IFTYPE_ADHOC: | |
1336 | case NL80211_IFTYPE_MESH_POINT: | |
1337 | case NL80211_IFTYPE_P2P_CLIENT: | |
1338 | break; | |
1339 | case NL80211_IFTYPE_P2P_GO: | |
1340 | if (sdata->local->ops->hw_scan) | |
1341 | break; | |
e9d7732e JB |
1342 | /* |
1343 | * FIXME: implement NoA while scanning in software, | |
1344 | * for now fall through to allow scanning only when | |
1345 | * beaconing hasn't been configured yet | |
1346 | */ | |
2ca27bcf JB |
1347 | case NL80211_IFTYPE_AP: |
1348 | if (sdata->u.ap.beacon) | |
1349 | return -EOPNOTSUPP; | |
1350 | break; | |
1351 | default: | |
1352 | return -EOPNOTSUPP; | |
1353 | } | |
2a519311 JB |
1354 | |
1355 | return ieee80211_request_scan(sdata, req); | |
1356 | } | |
1357 | ||
79f460ca LC |
1358 | static int |
1359 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1360 | struct net_device *dev, | |
1361 | struct cfg80211_sched_scan_request *req) | |
1362 | { | |
1363 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1364 | ||
1365 | if (!sdata->local->ops->sched_scan_start) | |
1366 | return -EOPNOTSUPP; | |
1367 | ||
1368 | return ieee80211_request_sched_scan_start(sdata, req); | |
1369 | } | |
1370 | ||
1371 | static int | |
85a9994a | 1372 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1373 | { |
1374 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1375 | ||
1376 | if (!sdata->local->ops->sched_scan_stop) | |
1377 | return -EOPNOTSUPP; | |
1378 | ||
85a9994a | 1379 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1380 | } |
1381 | ||
636a5d36 JM |
1382 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1383 | struct cfg80211_auth_request *req) | |
1384 | { | |
77fdaa12 | 1385 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1386 | } |
1387 | ||
1388 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1389 | struct cfg80211_assoc_request *req) | |
1390 | { | |
f444de05 JB |
1391 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1392 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1393 | ||
1394 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1395 | case CHAN_MODE_HOPPING: | |
1396 | return -EBUSY; | |
1397 | case CHAN_MODE_FIXED: | |
1398 | if (local->oper_channel == req->bss->channel) | |
1399 | break; | |
1400 | return -EBUSY; | |
1401 | case CHAN_MODE_UNDEFINED: | |
1402 | break; | |
1403 | } | |
1404 | ||
77fdaa12 | 1405 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1406 | } |
1407 | ||
1408 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1409 | struct cfg80211_deauth_request *req, |
1410 | void *cookie) | |
636a5d36 | 1411 | { |
667503dd JB |
1412 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1413 | req, cookie); | |
636a5d36 JM |
1414 | } |
1415 | ||
1416 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1417 | struct cfg80211_disassoc_request *req, |
1418 | void *cookie) | |
636a5d36 | 1419 | { |
667503dd JB |
1420 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1421 | req, cookie); | |
636a5d36 JM |
1422 | } |
1423 | ||
af8cdcd8 JB |
1424 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1425 | struct cfg80211_ibss_params *params) | |
1426 | { | |
f444de05 | 1427 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1428 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1429 | ||
f444de05 JB |
1430 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1431 | case CHAN_MODE_HOPPING: | |
1432 | return -EBUSY; | |
1433 | case CHAN_MODE_FIXED: | |
1434 | if (!params->channel_fixed) | |
1435 | return -EBUSY; | |
1436 | if (local->oper_channel == params->channel) | |
1437 | break; | |
1438 | return -EBUSY; | |
1439 | case CHAN_MODE_UNDEFINED: | |
1440 | break; | |
1441 | } | |
1442 | ||
af8cdcd8 JB |
1443 | return ieee80211_ibss_join(sdata, params); |
1444 | } | |
1445 | ||
1446 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1447 | { | |
1448 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1449 | ||
1450 | return ieee80211_ibss_leave(sdata); | |
1451 | } | |
1452 | ||
b9a5f8ca JM |
1453 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1454 | { | |
1455 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1456 | int err; |
b9a5f8ca | 1457 | |
f23a4780 AN |
1458 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1459 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1460 | ||
1461 | if (err) | |
1462 | return err; | |
1463 | } | |
1464 | ||
310bc676 LT |
1465 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1466 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1467 | ||
1468 | if (err) | |
1469 | return err; | |
1470 | } | |
1471 | ||
b9a5f8ca | 1472 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1473 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1474 | |
24487981 JB |
1475 | if (err) |
1476 | return err; | |
b9a5f8ca JM |
1477 | } |
1478 | ||
1479 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1480 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1481 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1482 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1483 | if (changed & | |
1484 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1485 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1486 | ||
1487 | return 0; | |
1488 | } | |
1489 | ||
7643a2c3 | 1490 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1491 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1492 | { |
1493 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1494 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1495 | u32 changes = 0; | |
7643a2c3 JB |
1496 | |
1497 | switch (type) { | |
fa61cf70 | 1498 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1499 | local->user_power_level = -1; |
1500 | break; | |
fa61cf70 JO |
1501 | case NL80211_TX_POWER_LIMITED: |
1502 | if (mbm < 0 || (mbm % 100)) | |
1503 | return -EOPNOTSUPP; | |
1504 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1505 | break; |
fa61cf70 JO |
1506 | case NL80211_TX_POWER_FIXED: |
1507 | if (mbm < 0 || (mbm % 100)) | |
1508 | return -EOPNOTSUPP; | |
7643a2c3 | 1509 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1510 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1511 | return -EINVAL; |
fa61cf70 | 1512 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1513 | break; |
7643a2c3 JB |
1514 | } |
1515 | ||
1516 | ieee80211_hw_config(local, changes); | |
1517 | ||
1518 | return 0; | |
1519 | } | |
1520 | ||
1521 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1522 | { | |
1523 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1524 | ||
1525 | *dbm = local->hw.conf.power_level; | |
1526 | ||
7643a2c3 JB |
1527 | return 0; |
1528 | } | |
1529 | ||
ab737a4f | 1530 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1531 | const u8 *addr) |
ab737a4f JB |
1532 | { |
1533 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1534 | ||
1535 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1536 | ||
1537 | return 0; | |
1538 | } | |
1539 | ||
1f87f7d3 JB |
1540 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1541 | { | |
1542 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1543 | ||
1544 | drv_rfkill_poll(local); | |
1545 | } | |
1546 | ||
aff89a9b | 1547 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1548 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1549 | { |
1550 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1551 | ||
1552 | if (!local->ops->testmode_cmd) | |
1553 | return -EOPNOTSUPP; | |
1554 | ||
1555 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1556 | } | |
1557 | #endif | |
1558 | ||
0f78231b JB |
1559 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1560 | enum ieee80211_smps_mode smps_mode) | |
1561 | { | |
1562 | const u8 *ap; | |
1563 | enum ieee80211_smps_mode old_req; | |
1564 | int err; | |
1565 | ||
243e6df4 JB |
1566 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1567 | ||
0f78231b JB |
1568 | old_req = sdata->u.mgd.req_smps; |
1569 | sdata->u.mgd.req_smps = smps_mode; | |
1570 | ||
1571 | if (old_req == smps_mode && | |
1572 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1573 | return 0; | |
1574 | ||
1575 | /* | |
1576 | * If not associated, or current association is not an HT | |
1577 | * association, there's no need to send an action frame. | |
1578 | */ | |
1579 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1580 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1581 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1582 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1583 | mutex_unlock(&sdata->local->iflist_mtx); |
1584 | return 0; | |
1585 | } | |
1586 | ||
0c1ad2ca | 1587 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1588 | |
1589 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1590 | if (sdata->u.mgd.powersave) | |
1591 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1592 | else | |
1593 | smps_mode = IEEE80211_SMPS_OFF; | |
1594 | } | |
1595 | ||
1596 | /* send SM PS frame to AP */ | |
1597 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1598 | ap, ap); | |
1599 | if (err) | |
1600 | sdata->u.mgd.req_smps = old_req; | |
1601 | ||
1602 | return err; | |
1603 | } | |
1604 | ||
bc92afd9 JB |
1605 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1606 | bool enabled, int timeout) | |
1607 | { | |
1608 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1609 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1610 | |
e5de30c9 BP |
1611 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1612 | return -EOPNOTSUPP; | |
1613 | ||
bc92afd9 JB |
1614 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1615 | return -EOPNOTSUPP; | |
1616 | ||
1617 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1618 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1619 | return 0; |
1620 | ||
1621 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1622 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1623 | |
0f78231b JB |
1624 | /* no change, but if automatic follow powersave */ |
1625 | mutex_lock(&sdata->u.mgd.mtx); | |
1626 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1627 | mutex_unlock(&sdata->u.mgd.mtx); | |
1628 | ||
bc92afd9 JB |
1629 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1630 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1631 | ||
1632 | ieee80211_recalc_ps(local, -1); | |
1633 | ||
1634 | return 0; | |
1635 | } | |
1636 | ||
a97c13c3 JO |
1637 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1638 | struct net_device *dev, | |
1639 | s32 rssi_thold, u32 rssi_hyst) | |
1640 | { | |
1641 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1642 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1643 | struct ieee80211_vif *vif = &sdata->vif; | |
1644 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1645 | ||
a97c13c3 JO |
1646 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1647 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1648 | return 0; | |
1649 | ||
1650 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1651 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1652 | ||
17e4ec14 JM |
1653 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1654 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1655 | return -EOPNOTSUPP; | |
1656 | return 0; | |
1657 | } | |
1658 | ||
a97c13c3 JO |
1659 | /* tell the driver upon association, unless already associated */ |
1660 | if (sdata->u.mgd.associated) | |
1661 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1662 | ||
1663 | return 0; | |
1664 | } | |
1665 | ||
9930380f JB |
1666 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1667 | struct net_device *dev, | |
1668 | const u8 *addr, | |
1669 | const struct cfg80211_bitrate_mask *mask) | |
1670 | { | |
1671 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1672 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 1673 | int i, ret; |
2c7e6bc9 | 1674 | |
bdbfd6b5 SM |
1675 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
1676 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
1677 | if (ret) | |
1678 | return ret; | |
1679 | } | |
9930380f | 1680 | |
37eb0b16 JM |
1681 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1682 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1683 | |
37eb0b16 | 1684 | return 0; |
9930380f JB |
1685 | } |
1686 | ||
21f83589 JB |
1687 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1688 | struct net_device *dev, | |
1689 | struct ieee80211_channel *chan, | |
1690 | enum nl80211_channel_type chantype, | |
1691 | unsigned int duration, u64 *cookie) | |
1692 | { | |
1693 | int ret; | |
1694 | u32 random_cookie; | |
1695 | ||
1696 | lockdep_assert_held(&local->mtx); | |
1697 | ||
1698 | if (local->hw_roc_cookie) | |
1699 | return -EBUSY; | |
1700 | /* must be nonzero */ | |
1701 | random_cookie = random32() | 1; | |
1702 | ||
1703 | *cookie = random_cookie; | |
1704 | local->hw_roc_dev = dev; | |
1705 | local->hw_roc_cookie = random_cookie; | |
1706 | local->hw_roc_channel = chan; | |
1707 | local->hw_roc_channel_type = chantype; | |
1708 | local->hw_roc_duration = duration; | |
1709 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1710 | if (ret) { | |
1711 | local->hw_roc_channel = NULL; | |
1712 | local->hw_roc_cookie = 0; | |
1713 | } | |
1714 | ||
1715 | return ret; | |
1716 | } | |
1717 | ||
b8bc4b0a JB |
1718 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1719 | struct net_device *dev, | |
1720 | struct ieee80211_channel *chan, | |
1721 | enum nl80211_channel_type channel_type, | |
1722 | unsigned int duration, | |
1723 | u64 *cookie) | |
1724 | { | |
1725 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1726 | struct ieee80211_local *local = sdata->local; |
1727 | ||
1728 | if (local->ops->remain_on_channel) { | |
1729 | int ret; | |
1730 | ||
1731 | mutex_lock(&local->mtx); | |
1732 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1733 | chan, channel_type, | |
1734 | duration, cookie); | |
90fc4b3a | 1735 | local->hw_roc_for_tx = false; |
21f83589 JB |
1736 | mutex_unlock(&local->mtx); |
1737 | ||
1738 | return ret; | |
1739 | } | |
b8bc4b0a JB |
1740 | |
1741 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1742 | duration, cookie); | |
1743 | } | |
1744 | ||
21f83589 JB |
1745 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1746 | u64 cookie) | |
1747 | { | |
1748 | int ret; | |
1749 | ||
1750 | lockdep_assert_held(&local->mtx); | |
1751 | ||
1752 | if (local->hw_roc_cookie != cookie) | |
1753 | return -ENOENT; | |
1754 | ||
1755 | ret = drv_cancel_remain_on_channel(local); | |
1756 | if (ret) | |
1757 | return ret; | |
1758 | ||
1759 | local->hw_roc_cookie = 0; | |
1760 | local->hw_roc_channel = NULL; | |
1761 | ||
1762 | ieee80211_recalc_idle(local); | |
1763 | ||
1764 | return 0; | |
1765 | } | |
1766 | ||
b8bc4b0a JB |
1767 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1768 | struct net_device *dev, | |
1769 | u64 cookie) | |
1770 | { | |
1771 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1772 | struct ieee80211_local *local = sdata->local; |
1773 | ||
1774 | if (local->ops->cancel_remain_on_channel) { | |
1775 | int ret; | |
1776 | ||
1777 | mutex_lock(&local->mtx); | |
1778 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1779 | mutex_unlock(&local->mtx); | |
1780 | ||
1781 | return ret; | |
1782 | } | |
b8bc4b0a JB |
1783 | |
1784 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1785 | } | |
1786 | ||
f30221e4 JB |
1787 | static enum work_done_result |
1788 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1789 | { | |
1790 | /* | |
1791 | * Use the data embedded in the work struct for reporting | |
1792 | * here so if the driver mangled the SKB before dropping | |
1793 | * it (which is the only way we really should get here) | |
1794 | * then we don't report mangled data. | |
1795 | * | |
1796 | * If there was no wait time, then by the time we get here | |
1797 | * the driver will likely not have reported the status yet, | |
1798 | * so in that case userspace will have to deal with it. | |
1799 | */ | |
1800 | ||
1801 | if (wk->offchan_tx.wait && wk->offchan_tx.frame) | |
1802 | cfg80211_mgmt_tx_status(wk->sdata->dev, | |
1803 | (unsigned long) wk->offchan_tx.frame, | |
1804 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1805 | ||
1806 | return WORK_DONE_DESTROY; | |
1807 | } | |
1808 | ||
2e161f78 | 1809 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1810 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1811 | enum nl80211_channel_type channel_type, |
f7ca38df | 1812 | bool channel_type_valid, unsigned int wait, |
2e161f78 | 1813 | const u8 *buf, size_t len, u64 *cookie) |
026331c4 | 1814 | { |
9d38d85d JB |
1815 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1816 | struct ieee80211_local *local = sdata->local; | |
1817 | struct sk_buff *skb; | |
1818 | struct sta_info *sta; | |
f30221e4 | 1819 | struct ieee80211_work *wk; |
9d38d85d JB |
1820 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1821 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1822 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1823 | bool is_offchan = false; |
f7ca38df | 1824 | |
9d38d85d JB |
1825 | /* Check that we are on the requested channel for transmission */ |
1826 | if (chan != local->tmp_channel && | |
1827 | chan != local->oper_channel) | |
f30221e4 | 1828 | is_offchan = true; |
9d38d85d JB |
1829 | if (channel_type_valid && |
1830 | (channel_type != local->tmp_channel_type && | |
1831 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1832 | is_offchan = true; |
1833 | ||
21f83589 JB |
1834 | if (chan == local->hw_roc_channel) { |
1835 | /* TODO: check channel type? */ | |
1836 | is_offchan = false; | |
1837 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1838 | } | |
1839 | ||
f30221e4 | 1840 | if (is_offchan && !offchan) |
9d38d85d JB |
1841 | return -EBUSY; |
1842 | ||
1843 | switch (sdata->vif.type) { | |
1844 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1845 | case NL80211_IFTYPE_AP: |
1846 | case NL80211_IFTYPE_AP_VLAN: | |
1847 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 1848 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
1849 | if (!ieee80211_is_action(mgmt->frame_control) || |
1850 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1851 | break; |
1852 | rcu_read_lock(); | |
1853 | sta = sta_info_get(sdata, mgmt->da); | |
1854 | rcu_read_unlock(); | |
1855 | if (!sta) | |
1856 | return -ENOLINK; | |
1857 | break; | |
1858 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1859 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1860 | break; |
1861 | default: | |
1862 | return -EOPNOTSUPP; | |
1863 | } | |
1864 | ||
1865 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1866 | if (!skb) | |
1867 | return -ENOMEM; | |
1868 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1869 | ||
1870 | memcpy(skb_put(skb, len), buf, len); | |
1871 | ||
1872 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1873 | ||
1874 | skb->dev = sdata->dev; | |
9d38d85d JB |
1875 | |
1876 | *cookie = (unsigned long) skb; | |
f30221e4 | 1877 | |
5f16a436 JB |
1878 | if (is_offchan && local->ops->offchannel_tx) { |
1879 | int ret; | |
1880 | ||
1881 | IEEE80211_SKB_CB(skb)->band = chan->band; | |
1882 | ||
1883 | mutex_lock(&local->mtx); | |
1884 | ||
1885 | if (local->hw_offchan_tx_cookie) { | |
1886 | mutex_unlock(&local->mtx); | |
1887 | return -EBUSY; | |
1888 | } | |
1889 | ||
1890 | /* TODO: bitrate control, TX processing? */ | |
1891 | ret = drv_offchannel_tx(local, skb, chan, channel_type, wait); | |
1892 | ||
1893 | if (ret == 0) | |
1894 | local->hw_offchan_tx_cookie = *cookie; | |
1895 | mutex_unlock(&local->mtx); | |
1896 | ||
1897 | /* | |
1898 | * Allow driver to return 1 to indicate it wants to have the | |
1899 | * frame transmitted with a remain_on_channel + regular TX. | |
1900 | */ | |
1901 | if (ret != 1) | |
1902 | return ret; | |
1903 | } | |
1904 | ||
90fc4b3a JB |
1905 | if (is_offchan && local->ops->remain_on_channel) { |
1906 | unsigned int duration; | |
1907 | int ret; | |
1908 | ||
1909 | mutex_lock(&local->mtx); | |
1910 | /* | |
1911 | * If the duration is zero, then the driver | |
1912 | * wouldn't actually do anything. Set it to | |
1913 | * 100 for now. | |
1914 | * | |
1915 | * TODO: cancel the off-channel operation | |
1916 | * when we get the SKB's TX status and | |
1917 | * the wait time was zero before. | |
1918 | */ | |
1919 | duration = 100; | |
1920 | if (wait) | |
1921 | duration = wait; | |
1922 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
1923 | channel_type, | |
1924 | duration, cookie); | |
1925 | if (ret) { | |
1926 | kfree_skb(skb); | |
1927 | mutex_unlock(&local->mtx); | |
1928 | return ret; | |
1929 | } | |
1930 | ||
1931 | local->hw_roc_for_tx = true; | |
1932 | local->hw_roc_duration = wait; | |
1933 | ||
1934 | /* | |
1935 | * queue up frame for transmission after | |
1936 | * ieee80211_ready_on_channel call | |
1937 | */ | |
1938 | ||
1939 | /* modify cookie to prevent API mismatches */ | |
1940 | *cookie ^= 2; | |
1941 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1942 | local->hw_roc_skb = skb; | |
4334ec85 | 1943 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
1944 | mutex_unlock(&local->mtx); |
1945 | ||
1946 | return 0; | |
1947 | } | |
1948 | ||
f30221e4 JB |
1949 | /* |
1950 | * Can transmit right away if the channel was the | |
1951 | * right one and there's no wait involved... If a | |
1952 | * wait is involved, we might otherwise not be on | |
1953 | * the right channel for long enough! | |
1954 | */ | |
1955 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
1956 | ieee80211_tx_skb(sdata, skb); | |
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
1961 | if (!wk) { | |
1962 | kfree_skb(skb); | |
1963 | return -ENOMEM; | |
1964 | } | |
1965 | ||
1966 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
1967 | wk->chan = chan; | |
4d51e149 | 1968 | wk->chan_type = channel_type; |
f30221e4 JB |
1969 | wk->sdata = sdata; |
1970 | wk->done = ieee80211_offchan_tx_done; | |
1971 | wk->offchan_tx.frame = skb; | |
1972 | wk->offchan_tx.wait = wait; | |
1973 | wk->ie_len = len; | |
1974 | memcpy(wk->ie, buf, len); | |
1975 | ||
1976 | ieee80211_add_work(wk); | |
9d38d85d | 1977 | return 0; |
026331c4 JM |
1978 | } |
1979 | ||
f30221e4 JB |
1980 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
1981 | struct net_device *dev, | |
1982 | u64 cookie) | |
1983 | { | |
1984 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1985 | struct ieee80211_local *local = sdata->local; | |
1986 | struct ieee80211_work *wk; | |
1987 | int ret = -ENOENT; | |
1988 | ||
1989 | mutex_lock(&local->mtx); | |
90fc4b3a | 1990 | |
5f16a436 JB |
1991 | if (local->ops->offchannel_tx_cancel_wait && |
1992 | local->hw_offchan_tx_cookie == cookie) { | |
1993 | ret = drv_offchannel_tx_cancel_wait(local); | |
1994 | ||
1995 | if (!ret) | |
1996 | local->hw_offchan_tx_cookie = 0; | |
1997 | ||
1998 | mutex_unlock(&local->mtx); | |
1999 | ||
2000 | return ret; | |
2001 | } | |
2002 | ||
90fc4b3a JB |
2003 | if (local->ops->cancel_remain_on_channel) { |
2004 | cookie ^= 2; | |
2005 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2006 | ||
2007 | if (ret == 0) { | |
2008 | kfree_skb(local->hw_roc_skb); | |
2009 | local->hw_roc_skb = NULL; | |
4334ec85 | 2010 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
2011 | } |
2012 | ||
2013 | mutex_unlock(&local->mtx); | |
2014 | ||
2015 | return ret; | |
2016 | } | |
2017 | ||
f30221e4 JB |
2018 | list_for_each_entry(wk, &local->work_list, list) { |
2019 | if (wk->sdata != sdata) | |
2020 | continue; | |
2021 | ||
2022 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
2023 | continue; | |
2024 | ||
2025 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
2026 | continue; | |
2027 | ||
2028 | wk->timeout = jiffies; | |
2029 | ||
2030 | ieee80211_queue_work(&local->hw, &local->work_work); | |
2031 | ret = 0; | |
2032 | break; | |
2033 | } | |
2034 | mutex_unlock(&local->mtx); | |
2035 | ||
2036 | return ret; | |
2037 | } | |
2038 | ||
7be5086d JB |
2039 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2040 | struct net_device *dev, | |
2041 | u16 frame_type, bool reg) | |
2042 | { | |
2043 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2044 | ||
2045 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2046 | return; | |
2047 | ||
2048 | if (reg) | |
2049 | local->probe_req_reg++; | |
2050 | else | |
2051 | local->probe_req_reg--; | |
2052 | ||
2053 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2054 | } | |
2055 | ||
15d96753 BR |
2056 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2057 | { | |
2058 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2059 | ||
2060 | if (local->started) | |
2061 | return -EOPNOTSUPP; | |
2062 | ||
2063 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2064 | } | |
2065 | ||
2066 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2067 | { | |
2068 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2069 | ||
2070 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2071 | } | |
2072 | ||
38c09159 JL |
2073 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2074 | { | |
2075 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2076 | ||
2077 | return drv_set_ringparam(local, tx, rx); | |
2078 | } | |
2079 | ||
2080 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2081 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2082 | { | |
2083 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2084 | ||
2085 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2086 | } | |
2087 | ||
f0706e82 JB |
2088 | struct cfg80211_ops mac80211_config_ops = { |
2089 | .add_virtual_intf = ieee80211_add_iface, | |
2090 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2091 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2092 | .add_key = ieee80211_add_key, |
2093 | .del_key = ieee80211_del_key, | |
62da92fb | 2094 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2095 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2096 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2097 | .add_beacon = ieee80211_add_beacon, |
2098 | .set_beacon = ieee80211_set_beacon, | |
2099 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2100 | .add_station = ieee80211_add_station, |
2101 | .del_station = ieee80211_del_station, | |
2102 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2103 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2104 | .dump_station = ieee80211_dump_station, |
1289723e | 2105 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2106 | #ifdef CONFIG_MAC80211_MESH |
2107 | .add_mpath = ieee80211_add_mpath, | |
2108 | .del_mpath = ieee80211_del_mpath, | |
2109 | .change_mpath = ieee80211_change_mpath, | |
2110 | .get_mpath = ieee80211_get_mpath, | |
2111 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2112 | .update_mesh_config = ieee80211_update_mesh_config, |
2113 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2114 | .join_mesh = ieee80211_join_mesh, |
2115 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2116 | #endif |
9f1ba906 | 2117 | .change_bss = ieee80211_change_bss, |
31888487 | 2118 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2119 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2120 | .suspend = ieee80211_suspend, |
2121 | .resume = ieee80211_resume, | |
2a519311 | 2122 | .scan = ieee80211_scan, |
79f460ca LC |
2123 | .sched_scan_start = ieee80211_sched_scan_start, |
2124 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
2125 | .auth = ieee80211_auth, |
2126 | .assoc = ieee80211_assoc, | |
2127 | .deauth = ieee80211_deauth, | |
2128 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2129 | .join_ibss = ieee80211_join_ibss, |
2130 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2131 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2132 | .set_tx_power = ieee80211_set_tx_power, |
2133 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2134 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2135 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2136 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 2137 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2138 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2139 | .remain_on_channel = ieee80211_remain_on_channel, |
2140 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2141 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2142 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2143 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2144 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2145 | .set_antenna = ieee80211_set_antenna, |
2146 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2147 | .set_ringparam = ieee80211_set_ringparam, |
2148 | .get_ringparam = ieee80211_get_ringparam, | |
f0706e82 | 2149 | }; |