2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
29 struct genl_info *info,
30 struct cfg80211_crypto_settings *settings,
33 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
34 struct genl_info *info);
35 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
36 struct genl_info *info);
38 /* the netlink family */
39 static struct genl_family nl80211_fam = {
40 .id = GENL_ID_GENERATE, /* don't bother with a hardcoded ID */
41 .name = NL80211_GENL_NAME, /* have users key off the name instead */
42 .hdrsize = 0, /* no private header */
43 .version = 1, /* no particular meaning now */
44 .maxattr = NL80211_ATTR_MAX,
46 .pre_doit = nl80211_pre_doit,
47 .post_doit = nl80211_post_doit,
50 /* multicast groups */
51 enum nl80211_multicast_groups {
54 NL80211_MCGRP_REGULATORY,
57 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
60 static const struct genl_multicast_group nl80211_mcgrps[] = {
61 [NL80211_MCGRP_CONFIG] = { .name = "config", },
62 [NL80211_MCGRP_SCAN] = { .name = "scan", },
63 [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", },
64 [NL80211_MCGRP_MLME] = { .name = "mlme", },
65 [NL80211_MCGRP_VENDOR] = { .name = "vendor", },
66 #ifdef CONFIG_NL80211_TESTMODE
67 [NL80211_MCGRP_TESTMODE] = { .name = "testmode", }
71 /* returns ERR_PTR values */
72 static struct wireless_dev *
73 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
75 struct cfg80211_registered_device *rdev;
76 struct wireless_dev *result = NULL;
77 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
78 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
85 if (!have_ifidx && !have_wdev_id)
86 return ERR_PTR(-EINVAL);
89 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
91 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
92 wiphy_idx = wdev_id >> 32;
95 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
96 struct wireless_dev *wdev;
98 if (wiphy_net(&rdev->wiphy) != netns)
101 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
104 list_for_each_entry(wdev, &rdev->wdev_list, list) {
105 if (have_ifidx && wdev->netdev &&
106 wdev->netdev->ifindex == ifidx) {
110 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
122 return ERR_PTR(-ENODEV);
125 static struct cfg80211_registered_device *
126 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
128 struct cfg80211_registered_device *rdev = NULL, *tmp;
129 struct net_device *netdev;
133 if (!attrs[NL80211_ATTR_WIPHY] &&
134 !attrs[NL80211_ATTR_IFINDEX] &&
135 !attrs[NL80211_ATTR_WDEV])
136 return ERR_PTR(-EINVAL);
138 if (attrs[NL80211_ATTR_WIPHY])
139 rdev = cfg80211_rdev_by_wiphy_idx(
140 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
142 if (attrs[NL80211_ATTR_WDEV]) {
143 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
144 struct wireless_dev *wdev;
147 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
149 /* make sure wdev exists */
150 list_for_each_entry(wdev, &tmp->wdev_list, list) {
151 if (wdev->identifier != (u32)wdev_id)
160 if (rdev && tmp != rdev)
161 return ERR_PTR(-EINVAL);
166 if (attrs[NL80211_ATTR_IFINDEX]) {
167 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
168 netdev = __dev_get_by_index(netns, ifindex);
170 if (netdev->ieee80211_ptr)
172 netdev->ieee80211_ptr->wiphy);
176 /* not wireless device -- return error */
178 return ERR_PTR(-EINVAL);
180 /* mismatch -- return error */
181 if (rdev && tmp != rdev)
182 return ERR_PTR(-EINVAL);
189 return ERR_PTR(-ENODEV);
191 if (netns != wiphy_net(&rdev->wiphy))
192 return ERR_PTR(-ENODEV);
198 * This function returns a pointer to the driver
199 * that the genl_info item that is passed refers to.
201 * The result of this can be a PTR_ERR and hence must
202 * be checked with IS_ERR() for errors.
204 static struct cfg80211_registered_device *
205 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
207 return __cfg80211_rdev_from_attrs(netns, info->attrs);
210 /* policy for the attributes */
211 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
212 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
213 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
215 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
217 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
218 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
219 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
220 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
221 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
223 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
224 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
225 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
226 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
227 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
229 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
230 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
231 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
233 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
234 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
236 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
237 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
238 .len = WLAN_MAX_KEY_LEN },
239 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
240 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
241 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
242 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
243 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
245 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
246 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
247 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
248 .len = IEEE80211_MAX_DATA_LEN },
249 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
250 .len = IEEE80211_MAX_DATA_LEN },
251 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
252 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
253 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
254 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
255 .len = NL80211_MAX_SUPP_RATES },
256 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
257 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
258 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
259 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
260 .len = IEEE80211_MAX_MESH_ID_LEN },
261 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
263 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
264 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
266 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
267 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
268 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
269 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
270 .len = NL80211_MAX_SUPP_RATES },
271 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
273 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
274 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
276 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
278 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
279 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
280 .len = IEEE80211_MAX_DATA_LEN },
281 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
282 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
284 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
285 .len = IEEE80211_MAX_SSID_LEN },
286 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
287 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
288 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
289 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
290 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
291 [NL80211_ATTR_STA_FLAGS2] = {
292 .len = sizeof(struct nl80211_sta_flag_update),
294 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
295 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
296 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
297 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
298 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
299 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
300 [NL80211_ATTR_PID] = { .type = NLA_U32 },
301 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
302 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
303 .len = WLAN_PMKID_LEN },
304 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
305 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
306 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
307 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
308 .len = IEEE80211_MAX_DATA_LEN },
309 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
310 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
311 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
312 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
313 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
314 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
315 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
316 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
317 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
318 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
319 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
320 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
321 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
322 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
323 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
324 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
325 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
326 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
327 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
328 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
329 .len = IEEE80211_MAX_DATA_LEN },
330 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
331 .len = IEEE80211_MAX_DATA_LEN },
332 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
333 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
334 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
335 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
336 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
337 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
338 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
339 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
340 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
341 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
342 .len = IEEE80211_MAX_DATA_LEN },
343 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
344 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
345 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
346 .len = NL80211_HT_CAPABILITY_LEN
348 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
349 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
350 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
351 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
352 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
353 [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
354 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
355 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
356 [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
357 [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
358 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
359 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
360 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
361 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
362 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
363 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
364 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
365 .len = NL80211_VHT_CAPABILITY_LEN,
367 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
368 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
369 .len = IEEE80211_MAX_DATA_LEN },
370 [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
371 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
372 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
373 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
374 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 },
375 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 },
376 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
377 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
378 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
379 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
380 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
381 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
382 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
383 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
384 .len = IEEE80211_QOS_MAP_LEN_MAX },
385 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
386 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
387 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
390 /* policy for the key attributes */
391 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
392 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
393 [NL80211_KEY_IDX] = { .type = NLA_U8 },
394 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
395 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
396 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
397 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
398 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
399 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
402 /* policy for the key default flags */
403 static const struct nla_policy
404 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
405 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
406 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
409 /* policy for WoWLAN attributes */
410 static const struct nla_policy
411 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
412 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
413 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
414 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
415 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
416 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
417 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
418 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
419 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
420 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
423 static const struct nla_policy
424 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
425 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
426 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
427 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
428 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
429 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
430 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
431 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
432 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
434 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
435 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
437 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
438 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
439 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
442 /* policy for coalesce rule attributes */
443 static const struct nla_policy
444 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
445 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
446 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
447 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
450 /* policy for GTK rekey offload attributes */
451 static const struct nla_policy
452 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
453 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
454 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
455 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
458 static const struct nla_policy
459 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
460 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
461 .len = IEEE80211_MAX_SSID_LEN },
462 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
465 static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
466 struct netlink_callback *cb,
467 struct cfg80211_registered_device **rdev,
468 struct wireless_dev **wdev)
475 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
476 nl80211_fam.attrbuf, nl80211_fam.maxattr,
481 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk),
482 nl80211_fam.attrbuf);
484 err = PTR_ERR(*wdev);
487 *rdev = wiphy_to_dev((*wdev)->wiphy);
488 /* 0 is the first index - add 1 to parse only once */
489 cb->args[0] = (*rdev)->wiphy_idx + 1;
490 cb->args[1] = (*wdev)->identifier;
492 /* subtract the 1 again here */
493 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
494 struct wireless_dev *tmp;
500 *rdev = wiphy_to_dev(wiphy);
503 list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
504 if (tmp->identifier == cb->args[1]) {
522 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
528 static bool is_valid_ie_attr(const struct nlattr *attr)
536 pos = nla_data(attr);
557 /* message building helper */
558 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
561 /* since there is no private header just add the generic one */
562 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
565 static int nl80211_msg_put_channel(struct sk_buff *msg,
566 struct ieee80211_channel *chan,
569 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
571 goto nla_put_failure;
573 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
574 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
575 goto nla_put_failure;
576 if (chan->flags & IEEE80211_CHAN_NO_IR) {
577 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
578 goto nla_put_failure;
579 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
580 goto nla_put_failure;
582 if (chan->flags & IEEE80211_CHAN_RADAR) {
583 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
584 goto nla_put_failure;
588 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
590 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
592 goto nla_put_failure;
593 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
595 goto nla_put_failure;
600 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
601 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
602 goto nla_put_failure;
603 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
604 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
605 goto nla_put_failure;
606 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
607 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
608 goto nla_put_failure;
609 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
610 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
611 goto nla_put_failure;
614 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
615 DBM_TO_MBM(chan->max_power)))
616 goto nla_put_failure;
624 /* netlink command implementations */
631 bool def_uni, def_multi;
634 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
636 struct nlattr *tb[NL80211_KEY_MAX + 1];
637 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
642 k->def = !!tb[NL80211_KEY_DEFAULT];
643 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
652 if (tb[NL80211_KEY_IDX])
653 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
655 if (tb[NL80211_KEY_DATA]) {
656 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
657 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
660 if (tb[NL80211_KEY_SEQ]) {
661 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
662 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
665 if (tb[NL80211_KEY_CIPHER])
666 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
668 if (tb[NL80211_KEY_TYPE]) {
669 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
670 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
674 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
675 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
676 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
677 tb[NL80211_KEY_DEFAULT_TYPES],
678 nl80211_key_default_policy);
682 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
683 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
689 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
691 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
692 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
693 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
696 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
697 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
698 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
701 if (info->attrs[NL80211_ATTR_KEY_IDX])
702 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
704 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
705 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
707 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
708 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
717 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
718 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
719 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
723 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
724 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
725 int err = nla_parse_nested(
726 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
727 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
728 nl80211_key_default_policy);
732 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
733 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
739 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
743 memset(k, 0, sizeof(*k));
747 if (info->attrs[NL80211_ATTR_KEY])
748 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
750 err = nl80211_parse_key_old(info, k);
755 if (k->def && k->defmgmt)
759 if (k->def_uni || !k->def_multi)
765 if (k->idx < 4 || k->idx > 5)
768 if (k->idx < 0 || k->idx > 3)
771 if (k->idx < 0 || k->idx > 5)
779 static struct cfg80211_cached_keys *
780 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
781 struct nlattr *keys, bool *no_ht)
783 struct key_parse parse;
785 struct cfg80211_cached_keys *result;
786 int rem, err, def = 0;
788 result = kzalloc(sizeof(*result), GFP_KERNEL);
790 return ERR_PTR(-ENOMEM);
793 result->defmgmt = -1;
795 nla_for_each_nested(key, keys, rem) {
796 memset(&parse, 0, sizeof(parse));
799 err = nl80211_parse_key_new(key, &parse);
805 if (parse.idx < 0 || parse.idx > 4)
811 result->def = parse.idx;
812 if (!parse.def_uni || !parse.def_multi)
814 } else if (parse.defmgmt)
816 err = cfg80211_validate_key_settings(rdev, &parse.p,
817 parse.idx, false, NULL);
820 result->params[parse.idx].cipher = parse.p.cipher;
821 result->params[parse.idx].key_len = parse.p.key_len;
822 result->params[parse.idx].key = result->data[parse.idx];
823 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
825 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
826 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
838 static int nl80211_key_allowed(struct wireless_dev *wdev)
840 ASSERT_WDEV_LOCK(wdev);
842 switch (wdev->iftype) {
843 case NL80211_IFTYPE_AP:
844 case NL80211_IFTYPE_AP_VLAN:
845 case NL80211_IFTYPE_P2P_GO:
846 case NL80211_IFTYPE_MESH_POINT:
848 case NL80211_IFTYPE_ADHOC:
849 case NL80211_IFTYPE_STATION:
850 case NL80211_IFTYPE_P2P_CLIENT:
851 if (!wdev->current_bss)
861 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
864 struct ieee80211_channel *chan;
868 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
869 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
874 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
876 struct nlattr *nl_modes = nla_nest_start(msg, attr);
880 goto nla_put_failure;
884 if ((ifmodes & 1) && nla_put_flag(msg, i))
885 goto nla_put_failure;
890 nla_nest_end(msg, nl_modes);
897 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
901 struct nlattr *nl_combis;
904 nl_combis = nla_nest_start(msg,
905 NL80211_ATTR_INTERFACE_COMBINATIONS);
907 goto nla_put_failure;
909 for (i = 0; i < wiphy->n_iface_combinations; i++) {
910 const struct ieee80211_iface_combination *c;
911 struct nlattr *nl_combi, *nl_limits;
913 c = &wiphy->iface_combinations[i];
915 nl_combi = nla_nest_start(msg, i + 1);
917 goto nla_put_failure;
919 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
921 goto nla_put_failure;
923 for (j = 0; j < c->n_limits; j++) {
924 struct nlattr *nl_limit;
926 nl_limit = nla_nest_start(msg, j + 1);
928 goto nla_put_failure;
929 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
931 goto nla_put_failure;
932 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
934 goto nla_put_failure;
935 nla_nest_end(msg, nl_limit);
938 nla_nest_end(msg, nl_limits);
940 if (c->beacon_int_infra_match &&
941 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
942 goto nla_put_failure;
943 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
944 c->num_different_channels) ||
945 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
947 goto nla_put_failure;
949 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
950 c->radar_detect_widths))
951 goto nla_put_failure;
953 nla_nest_end(msg, nl_combi);
956 nla_nest_end(msg, nl_combis);
964 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
967 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
968 struct nlattr *nl_tcp;
973 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
977 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
978 tcp->data_payload_max))
981 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
982 tcp->data_payload_max))
985 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
988 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
989 sizeof(*tcp->tok), tcp->tok))
992 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
993 tcp->data_interval_max))
996 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
997 tcp->wake_payload_max))
1000 nla_nest_end(msg, nl_tcp);
1004 static int nl80211_send_wowlan(struct sk_buff *msg,
1005 struct cfg80211_registered_device *dev,
1008 struct nlattr *nl_wowlan;
1010 if (!dev->wiphy.wowlan)
1013 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1017 if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1018 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1019 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1020 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1021 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1022 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1023 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1024 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1025 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1026 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1027 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1028 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1029 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1030 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1031 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1032 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1035 if (dev->wiphy.wowlan->n_patterns) {
1036 struct nl80211_pattern_support pat = {
1037 .max_patterns = dev->wiphy.wowlan->n_patterns,
1038 .min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
1039 .max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
1040 .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset,
1043 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1048 if (large && nl80211_send_wowlan_tcp_caps(dev, msg))
1051 nla_nest_end(msg, nl_wowlan);
1057 static int nl80211_send_coalesce(struct sk_buff *msg,
1058 struct cfg80211_registered_device *dev)
1060 struct nl80211_coalesce_rule_support rule;
1062 if (!dev->wiphy.coalesce)
1065 rule.max_rules = dev->wiphy.coalesce->n_rules;
1066 rule.max_delay = dev->wiphy.coalesce->max_delay;
1067 rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns;
1068 rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len;
1069 rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len;
1070 rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset;
1072 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1078 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1079 struct ieee80211_supported_band *sband)
1081 struct nlattr *nl_rates, *nl_rate;
1082 struct ieee80211_rate *rate;
1086 if (sband->ht_cap.ht_supported &&
1087 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1088 sizeof(sband->ht_cap.mcs),
1089 &sband->ht_cap.mcs) ||
1090 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1091 sband->ht_cap.cap) ||
1092 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1093 sband->ht_cap.ampdu_factor) ||
1094 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1095 sband->ht_cap.ampdu_density)))
1099 if (sband->vht_cap.vht_supported &&
1100 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1101 sizeof(sband->vht_cap.vht_mcs),
1102 &sband->vht_cap.vht_mcs) ||
1103 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1104 sband->vht_cap.cap)))
1108 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1112 for (i = 0; i < sband->n_bitrates; i++) {
1113 nl_rate = nla_nest_start(msg, i);
1117 rate = &sband->bitrates[i];
1118 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1121 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1123 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1126 nla_nest_end(msg, nl_rate);
1129 nla_nest_end(msg, nl_rates);
1135 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1136 const struct ieee80211_txrx_stypes *mgmt_stypes)
1139 struct nlattr *nl_ftypes, *nl_ifs;
1140 enum nl80211_iftype ift;
1146 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1150 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1151 nl_ftypes = nla_nest_start(msg, ift);
1155 stypes = mgmt_stypes[ift].tx;
1158 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1159 (i << 4) | IEEE80211_FTYPE_MGMT))
1164 nla_nest_end(msg, nl_ftypes);
1167 nla_nest_end(msg, nl_ifs);
1169 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1173 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1174 nl_ftypes = nla_nest_start(msg, ift);
1178 stypes = mgmt_stypes[ift].rx;
1181 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1182 (i << 4) | IEEE80211_FTYPE_MGMT))
1187 nla_nest_end(msg, nl_ftypes);
1189 nla_nest_end(msg, nl_ifs);
1194 struct nl80211_dump_wiphy_state {
1197 long split_start, band_start, chan_start;
1201 static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
1202 struct sk_buff *msg, u32 portid, u32 seq,
1203 int flags, struct nl80211_dump_wiphy_state *state)
1206 struct nlattr *nl_bands, *nl_band;
1207 struct nlattr *nl_freqs, *nl_freq;
1208 struct nlattr *nl_cmds;
1209 enum ieee80211_band band;
1210 struct ieee80211_channel *chan;
1212 const struct ieee80211_txrx_stypes *mgmt_stypes =
1213 dev->wiphy.mgmt_stypes;
1216 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
1220 if (WARN_ON(!state))
1223 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
1224 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1225 wiphy_name(&dev->wiphy)) ||
1226 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1227 cfg80211_rdev_list_generation))
1228 goto nla_put_failure;
1230 switch (state->split_start) {
1232 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1233 dev->wiphy.retry_short) ||
1234 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1235 dev->wiphy.retry_long) ||
1236 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1237 dev->wiphy.frag_threshold) ||
1238 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1239 dev->wiphy.rts_threshold) ||
1240 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1241 dev->wiphy.coverage_class) ||
1242 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1243 dev->wiphy.max_scan_ssids) ||
1244 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1245 dev->wiphy.max_sched_scan_ssids) ||
1246 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1247 dev->wiphy.max_scan_ie_len) ||
1248 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1249 dev->wiphy.max_sched_scan_ie_len) ||
1250 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1251 dev->wiphy.max_match_sets))
1252 goto nla_put_failure;
1254 if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1255 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1256 goto nla_put_failure;
1257 if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1258 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1259 goto nla_put_failure;
1260 if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1261 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1262 goto nla_put_failure;
1263 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1264 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1265 goto nla_put_failure;
1266 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1267 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1268 goto nla_put_failure;
1269 if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1270 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1271 goto nla_put_failure;
1272 state->split_start++;
1276 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1277 sizeof(u32) * dev->wiphy.n_cipher_suites,
1278 dev->wiphy.cipher_suites))
1279 goto nla_put_failure;
1281 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1282 dev->wiphy.max_num_pmkids))
1283 goto nla_put_failure;
1285 if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1286 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1287 goto nla_put_failure;
1289 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1290 dev->wiphy.available_antennas_tx) ||
1291 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1292 dev->wiphy.available_antennas_rx))
1293 goto nla_put_failure;
1295 if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1296 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1297 dev->wiphy.probe_resp_offload))
1298 goto nla_put_failure;
1300 if ((dev->wiphy.available_antennas_tx ||
1301 dev->wiphy.available_antennas_rx) &&
1302 dev->ops->get_antenna) {
1303 u32 tx_ant = 0, rx_ant = 0;
1305 res = rdev_get_antenna(dev, &tx_ant, &rx_ant);
1307 if (nla_put_u32(msg,
1308 NL80211_ATTR_WIPHY_ANTENNA_TX,
1311 NL80211_ATTR_WIPHY_ANTENNA_RX,
1313 goto nla_put_failure;
1317 state->split_start++;
1321 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1322 dev->wiphy.interface_modes))
1323 goto nla_put_failure;
1324 state->split_start++;
1328 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1330 goto nla_put_failure;
1332 for (band = state->band_start;
1333 band < IEEE80211_NUM_BANDS; band++) {
1334 struct ieee80211_supported_band *sband;
1336 sband = dev->wiphy.bands[band];
1341 nl_band = nla_nest_start(msg, band);
1343 goto nla_put_failure;
1345 switch (state->chan_start) {
1347 if (nl80211_send_band_rateinfo(msg, sband))
1348 goto nla_put_failure;
1349 state->chan_start++;
1353 /* add frequencies */
1354 nl_freqs = nla_nest_start(
1355 msg, NL80211_BAND_ATTR_FREQS);
1357 goto nla_put_failure;
1359 for (i = state->chan_start - 1;
1360 i < sband->n_channels;
1362 nl_freq = nla_nest_start(msg, i);
1364 goto nla_put_failure;
1366 chan = &sband->channels[i];
1368 if (nl80211_msg_put_channel(
1371 goto nla_put_failure;
1373 nla_nest_end(msg, nl_freq);
1377 if (i < sband->n_channels)
1378 state->chan_start = i + 2;
1380 state->chan_start = 0;
1381 nla_nest_end(msg, nl_freqs);
1384 nla_nest_end(msg, nl_band);
1387 /* start again here */
1388 if (state->chan_start)
1393 nla_nest_end(msg, nl_bands);
1395 if (band < IEEE80211_NUM_BANDS)
1396 state->band_start = band + 1;
1398 state->band_start = 0;
1400 /* if bands & channels are done, continue outside */
1401 if (state->band_start == 0 && state->chan_start == 0)
1402 state->split_start++;
1406 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1408 goto nla_put_failure;
1411 #define CMD(op, n) \
1413 if (dev->ops->op) { \
1415 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1416 goto nla_put_failure; \
1420 CMD(add_virtual_intf, NEW_INTERFACE);
1421 CMD(change_virtual_intf, SET_INTERFACE);
1422 CMD(add_key, NEW_KEY);
1423 CMD(start_ap, START_AP);
1424 CMD(add_station, NEW_STATION);
1425 CMD(add_mpath, NEW_MPATH);
1426 CMD(update_mesh_config, SET_MESH_CONFIG);
1427 CMD(change_bss, SET_BSS);
1428 CMD(auth, AUTHENTICATE);
1429 CMD(assoc, ASSOCIATE);
1430 CMD(deauth, DEAUTHENTICATE);
1431 CMD(disassoc, DISASSOCIATE);
1432 CMD(join_ibss, JOIN_IBSS);
1433 CMD(join_mesh, JOIN_MESH);
1434 CMD(set_pmksa, SET_PMKSA);
1435 CMD(del_pmksa, DEL_PMKSA);
1436 CMD(flush_pmksa, FLUSH_PMKSA);
1437 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1438 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1439 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1440 CMD(mgmt_tx, FRAME);
1441 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1442 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1444 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1445 goto nla_put_failure;
1447 if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
1448 dev->ops->join_mesh) {
1450 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1451 goto nla_put_failure;
1453 CMD(set_wds_peer, SET_WDS_PEER);
1454 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1455 CMD(tdls_mgmt, TDLS_MGMT);
1456 CMD(tdls_oper, TDLS_OPER);
1458 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1459 CMD(sched_scan_start, START_SCHED_SCAN);
1460 CMD(probe_client, PROBE_CLIENT);
1461 CMD(set_noack_map, SET_NOACK_MAP);
1462 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1464 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1465 goto nla_put_failure;
1467 CMD(start_p2p_device, START_P2P_DEVICE);
1468 CMD(set_mcast_rate, SET_MCAST_RATE);
1470 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1471 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1472 if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
1473 CMD(channel_switch, CHANNEL_SWITCH);
1475 CMD(set_qos_map, SET_QOS_MAP);
1477 #ifdef CONFIG_NL80211_TESTMODE
1478 CMD(testmode_cmd, TESTMODE);
1483 if (dev->ops->connect || dev->ops->auth) {
1485 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1486 goto nla_put_failure;
1489 if (dev->ops->disconnect || dev->ops->deauth) {
1491 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1492 goto nla_put_failure;
1495 nla_nest_end(msg, nl_cmds);
1496 state->split_start++;
1500 if (dev->ops->remain_on_channel &&
1501 (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1503 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1504 dev->wiphy.max_remain_on_channel_duration))
1505 goto nla_put_failure;
1507 if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1508 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1509 goto nla_put_failure;
1511 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1512 goto nla_put_failure;
1513 state->split_start++;
1518 if (nl80211_send_wowlan(msg, dev, state->split))
1519 goto nla_put_failure;
1520 state->split_start++;
1524 state->split_start++;
1527 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1528 dev->wiphy.software_iftypes))
1529 goto nla_put_failure;
1531 if (nl80211_put_iface_combinations(&dev->wiphy, msg,
1533 goto nla_put_failure;
1535 state->split_start++;
1539 if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1540 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1541 dev->wiphy.ap_sme_capa))
1542 goto nla_put_failure;
1544 features = dev->wiphy.features;
1546 * We can only add the per-channel limit information if the
1547 * dump is split, otherwise it makes it too big. Therefore
1548 * only advertise it in that case.
1551 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1552 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1553 goto nla_put_failure;
1555 if (dev->wiphy.ht_capa_mod_mask &&
1556 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1557 sizeof(*dev->wiphy.ht_capa_mod_mask),
1558 dev->wiphy.ht_capa_mod_mask))
1559 goto nla_put_failure;
1561 if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1562 dev->wiphy.max_acl_mac_addrs &&
1563 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1564 dev->wiphy.max_acl_mac_addrs))
1565 goto nla_put_failure;
1568 * Any information below this point is only available to
1569 * applications that can deal with it being split. This
1570 * helps ensure that newly added capabilities don't break
1571 * older tools by overrunning their buffers.
1573 * We still increment split_start so that in the split
1574 * case we'll continue with more data in the next round,
1575 * but break unconditionally so unsplit data stops here.
1577 state->split_start++;
1580 if (dev->wiphy.extended_capabilities &&
1581 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1582 dev->wiphy.extended_capabilities_len,
1583 dev->wiphy.extended_capabilities) ||
1584 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1585 dev->wiphy.extended_capabilities_len,
1586 dev->wiphy.extended_capabilities_mask)))
1587 goto nla_put_failure;
1589 if (dev->wiphy.vht_capa_mod_mask &&
1590 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1591 sizeof(*dev->wiphy.vht_capa_mod_mask),
1592 dev->wiphy.vht_capa_mod_mask))
1593 goto nla_put_failure;
1595 state->split_start++;
1598 if (nl80211_send_coalesce(msg, dev))
1599 goto nla_put_failure;
1601 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
1602 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
1603 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
1604 goto nla_put_failure;
1606 if (dev->wiphy.max_ap_assoc_sta &&
1607 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1608 dev->wiphy.max_ap_assoc_sta))
1609 goto nla_put_failure;
1611 state->split_start++;
1614 if (dev->wiphy.n_vendor_commands) {
1615 const struct nl80211_vendor_cmd_info *info;
1616 struct nlattr *nested;
1618 nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
1620 goto nla_put_failure;
1622 for (i = 0; i < dev->wiphy.n_vendor_commands; i++) {
1623 info = &dev->wiphy.vendor_commands[i].info;
1624 if (nla_put(msg, i + 1, sizeof(*info), info))
1625 goto nla_put_failure;
1627 nla_nest_end(msg, nested);
1630 if (dev->wiphy.n_vendor_events) {
1631 const struct nl80211_vendor_cmd_info *info;
1632 struct nlattr *nested;
1634 nested = nla_nest_start(msg,
1635 NL80211_ATTR_VENDOR_EVENTS);
1637 goto nla_put_failure;
1639 for (i = 0; i < dev->wiphy.n_vendor_events; i++) {
1640 info = &dev->wiphy.vendor_events[i];
1641 if (nla_put(msg, i + 1, sizeof(*info), info))
1642 goto nla_put_failure;
1644 nla_nest_end(msg, nested);
1648 state->split_start = 0;
1651 return genlmsg_end(msg, hdr);
1654 genlmsg_cancel(msg, hdr);
1658 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1659 struct netlink_callback *cb,
1660 struct nl80211_dump_wiphy_state *state)
1662 struct nlattr **tb = nl80211_fam.attrbuf;
1663 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1664 tb, nl80211_fam.maxattr, nl80211_policy);
1665 /* ignore parse errors for backward compatibility */
1669 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1670 if (tb[NL80211_ATTR_WIPHY])
1671 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1672 if (tb[NL80211_ATTR_WDEV])
1673 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1674 if (tb[NL80211_ATTR_IFINDEX]) {
1675 struct net_device *netdev;
1676 struct cfg80211_registered_device *rdev;
1677 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1679 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
1682 if (netdev->ieee80211_ptr) {
1683 rdev = wiphy_to_dev(
1684 netdev->ieee80211_ptr->wiphy);
1685 state->filter_wiphy = rdev->wiphy_idx;
1692 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1695 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1696 struct cfg80211_registered_device *dev;
1700 state = kzalloc(sizeof(*state), GFP_KERNEL);
1705 state->filter_wiphy = -1;
1706 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1712 cb->args[0] = (long)state;
1715 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1716 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1718 if (++idx <= state->start)
1720 if (state->filter_wiphy != -1 &&
1721 state->filter_wiphy != dev->wiphy_idx)
1723 /* attempt to fit multiple wiphy data chunks into the skb */
1725 ret = nl80211_send_wiphy(dev, skb,
1726 NETLINK_CB(cb->skb).portid,
1728 NLM_F_MULTI, state);
1731 * If sending the wiphy data didn't fit (ENOBUFS
1732 * or EMSGSIZE returned), this SKB is still
1733 * empty (so it's not too big because another
1734 * wiphy dataset is already in the skb) and
1735 * we've not tried to adjust the dump allocation
1736 * yet ... then adjust the alloc size to be
1737 * bigger, and return 1 but with the empty skb.
1738 * This results in an empty message being RX'ed
1739 * in userspace, but that is ignored.
1741 * We can then retry with the larger buffer.
1743 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1744 !skb->len && !state->split &&
1745 cb->min_dump_alloc < 4096) {
1746 cb->min_dump_alloc = 4096;
1747 state->split_start = 0;
1754 } while (state->split_start > 0);
1764 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
1766 kfree((void *)cb->args[0]);
1770 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1772 struct sk_buff *msg;
1773 struct cfg80211_registered_device *dev = info->user_ptr[0];
1774 struct nl80211_dump_wiphy_state state = {};
1776 msg = nlmsg_new(4096, GFP_KERNEL);
1780 if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0,
1786 return genlmsg_reply(msg, info);
1789 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1790 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1791 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1792 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1793 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1794 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1797 static int parse_txq_params(struct nlattr *tb[],
1798 struct ieee80211_txq_params *txq_params)
1800 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1801 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1802 !tb[NL80211_TXQ_ATTR_AIFS])
1805 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
1806 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1807 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1808 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1809 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1811 if (txq_params->ac >= NL80211_NUM_ACS)
1817 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1820 * You can only set the channel explicitly for WDS interfaces,
1821 * all others have their channel managed via their respective
1822 * "establish a connection" command (connect, join, ...)
1824 * For AP/GO and mesh mode, the channel can be set with the
1825 * channel userspace API, but is only stored and passed to the
1826 * low-level driver when the AP starts or the mesh is joined.
1827 * This is for backward compatibility, userspace can also give
1828 * the channel in the start-ap or join-mesh commands instead.
1830 * Monitors are special as they are normally slaved to
1831 * whatever else is going on, so they have their own special
1832 * operation to set the monitor channel if possible.
1835 wdev->iftype == NL80211_IFTYPE_AP ||
1836 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1837 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1838 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1841 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1842 struct genl_info *info,
1843 struct cfg80211_chan_def *chandef)
1847 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1850 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1852 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
1853 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1854 chandef->center_freq1 = control_freq;
1855 chandef->center_freq2 = 0;
1857 /* Primary channel not allowed */
1858 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1861 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1862 enum nl80211_channel_type chantype;
1864 chantype = nla_get_u32(
1865 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1868 case NL80211_CHAN_NO_HT:
1869 case NL80211_CHAN_HT20:
1870 case NL80211_CHAN_HT40PLUS:
1871 case NL80211_CHAN_HT40MINUS:
1872 cfg80211_chandef_create(chandef, chandef->chan,
1878 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1880 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1881 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1882 chandef->center_freq1 =
1884 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1885 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1886 chandef->center_freq2 =
1888 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1891 if (!cfg80211_chandef_valid(chandef))
1894 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
1895 IEEE80211_CHAN_DISABLED))
1898 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
1899 chandef->width == NL80211_CHAN_WIDTH_10) &&
1900 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
1906 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1907 struct wireless_dev *wdev,
1908 struct genl_info *info)
1910 struct cfg80211_chan_def chandef;
1912 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
1915 iftype = wdev->iftype;
1917 if (!nl80211_can_set_dev_channel(wdev))
1920 result = nl80211_parse_chandef(rdev, info, &chandef);
1925 case NL80211_IFTYPE_AP:
1926 case NL80211_IFTYPE_P2P_GO:
1927 if (wdev->beacon_interval) {
1931 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
1935 wdev->preset_chandef = chandef;
1938 case NL80211_IFTYPE_MESH_POINT:
1939 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
1941 case NL80211_IFTYPE_MONITOR:
1942 result = cfg80211_set_monitor_channel(rdev, &chandef);
1951 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1953 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1954 struct net_device *netdev = info->user_ptr[1];
1956 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1959 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1961 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1962 struct net_device *dev = info->user_ptr[1];
1963 struct wireless_dev *wdev = dev->ieee80211_ptr;
1966 if (!info->attrs[NL80211_ATTR_MAC])
1969 if (netif_running(dev))
1972 if (!rdev->ops->set_wds_peer)
1975 if (wdev->iftype != NL80211_IFTYPE_WDS)
1978 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1979 return rdev_set_wds_peer(rdev, dev, bssid);
1983 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1985 struct cfg80211_registered_device *rdev;
1986 struct net_device *netdev = NULL;
1987 struct wireless_dev *wdev;
1988 int result = 0, rem_txq_params = 0;
1989 struct nlattr *nl_txq_params;
1991 u8 retry_short = 0, retry_long = 0;
1992 u32 frag_threshold = 0, rts_threshold = 0;
1993 u8 coverage_class = 0;
1998 * Try to find the wiphy and netdev. Normally this
1999 * function shouldn't need the netdev, but this is
2000 * done for backward compatibility -- previously
2001 * setting the channel was done per wiphy, but now
2002 * it is per netdev. Previous userland like hostapd
2003 * also passed a netdev to set_wiphy, so that it is
2004 * possible to let that go to the right netdev!
2007 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2008 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2010 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2011 if (netdev && netdev->ieee80211_ptr)
2012 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
2018 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2021 return PTR_ERR(rdev);
2026 wdev = netdev->ieee80211_ptr;
2029 * end workaround code, by now the rdev is available
2030 * and locked, and wdev may or may not be NULL.
2033 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2034 result = cfg80211_dev_rename(
2035 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2040 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2041 struct ieee80211_txq_params txq_params;
2042 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2044 if (!rdev->ops->set_txq_params)
2050 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2051 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2054 if (!netif_running(netdev))
2057 nla_for_each_nested(nl_txq_params,
2058 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2060 result = nla_parse(tb, NL80211_TXQ_ATTR_MAX,
2061 nla_data(nl_txq_params),
2062 nla_len(nl_txq_params),
2066 result = parse_txq_params(tb, &txq_params);
2070 result = rdev_set_txq_params(rdev, netdev,
2077 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2078 result = __nl80211_set_channel(rdev,
2079 nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
2085 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2086 struct wireless_dev *txp_wdev = wdev;
2087 enum nl80211_tx_power_setting type;
2090 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2093 if (!rdev->ops->set_tx_power)
2096 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2097 type = nla_get_u32(info->attrs[idx]);
2099 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2100 (type != NL80211_TX_POWER_AUTOMATIC))
2103 if (type != NL80211_TX_POWER_AUTOMATIC) {
2104 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2105 mbm = nla_get_u32(info->attrs[idx]);
2108 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2113 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2114 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2116 if ((!rdev->wiphy.available_antennas_tx &&
2117 !rdev->wiphy.available_antennas_rx) ||
2118 !rdev->ops->set_antenna)
2121 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2122 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2124 /* reject antenna configurations which don't match the
2125 * available antenna masks, except for the "all" mask */
2126 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2127 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2130 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2131 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2133 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2140 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2141 retry_short = nla_get_u8(
2142 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2143 if (retry_short == 0)
2146 changed |= WIPHY_PARAM_RETRY_SHORT;
2149 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2150 retry_long = nla_get_u8(
2151 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2152 if (retry_long == 0)
2155 changed |= WIPHY_PARAM_RETRY_LONG;
2158 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2159 frag_threshold = nla_get_u32(
2160 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2161 if (frag_threshold < 256)
2164 if (frag_threshold != (u32) -1) {
2166 * Fragments (apart from the last one) are required to
2167 * have even length. Make the fragmentation code
2168 * simpler by stripping LSB should someone try to use
2169 * odd threshold value.
2171 frag_threshold &= ~0x1;
2173 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2176 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2177 rts_threshold = nla_get_u32(
2178 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2179 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2182 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2183 coverage_class = nla_get_u8(
2184 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2185 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2189 u8 old_retry_short, old_retry_long;
2190 u32 old_frag_threshold, old_rts_threshold;
2191 u8 old_coverage_class;
2193 if (!rdev->ops->set_wiphy_params)
2196 old_retry_short = rdev->wiphy.retry_short;
2197 old_retry_long = rdev->wiphy.retry_long;
2198 old_frag_threshold = rdev->wiphy.frag_threshold;
2199 old_rts_threshold = rdev->wiphy.rts_threshold;
2200 old_coverage_class = rdev->wiphy.coverage_class;
2202 if (changed & WIPHY_PARAM_RETRY_SHORT)
2203 rdev->wiphy.retry_short = retry_short;
2204 if (changed & WIPHY_PARAM_RETRY_LONG)
2205 rdev->wiphy.retry_long = retry_long;
2206 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2207 rdev->wiphy.frag_threshold = frag_threshold;
2208 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2209 rdev->wiphy.rts_threshold = rts_threshold;
2210 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2211 rdev->wiphy.coverage_class = coverage_class;
2213 result = rdev_set_wiphy_params(rdev, changed);
2215 rdev->wiphy.retry_short = old_retry_short;
2216 rdev->wiphy.retry_long = old_retry_long;
2217 rdev->wiphy.frag_threshold = old_frag_threshold;
2218 rdev->wiphy.rts_threshold = old_rts_threshold;
2219 rdev->wiphy.coverage_class = old_coverage_class;
2225 static inline u64 wdev_id(struct wireless_dev *wdev)
2227 return (u64)wdev->identifier |
2228 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
2231 static int nl80211_send_chandef(struct sk_buff *msg,
2232 const struct cfg80211_chan_def *chandef)
2234 WARN_ON(!cfg80211_chandef_valid(chandef));
2236 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2237 chandef->chan->center_freq))
2239 switch (chandef->width) {
2240 case NL80211_CHAN_WIDTH_20_NOHT:
2241 case NL80211_CHAN_WIDTH_20:
2242 case NL80211_CHAN_WIDTH_40:
2243 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2244 cfg80211_get_chandef_type(chandef)))
2250 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2252 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2254 if (chandef->center_freq2 &&
2255 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2260 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2261 struct cfg80211_registered_device *rdev,
2262 struct wireless_dev *wdev)
2264 struct net_device *dev = wdev->netdev;
2267 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
2272 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2273 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2274 goto nla_put_failure;
2276 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2277 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2278 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
2279 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2280 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2281 rdev->devlist_generation ^
2282 (cfg80211_rdev_list_generation << 2)))
2283 goto nla_put_failure;
2285 if (rdev->ops->get_channel) {
2287 struct cfg80211_chan_def chandef;
2289 ret = rdev_get_channel(rdev, wdev, &chandef);
2291 if (nl80211_send_chandef(msg, &chandef))
2292 goto nla_put_failure;
2296 if (wdev->ssid_len) {
2297 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2298 goto nla_put_failure;
2301 return genlmsg_end(msg, hdr);
2304 genlmsg_cancel(msg, hdr);
2308 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2312 int wp_start = cb->args[0];
2313 int if_start = cb->args[1];
2314 struct cfg80211_registered_device *rdev;
2315 struct wireless_dev *wdev;
2318 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2319 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2321 if (wp_idx < wp_start) {
2327 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2328 if (if_idx < if_start) {
2332 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2333 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2345 cb->args[0] = wp_idx;
2346 cb->args[1] = if_idx;
2351 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2353 struct sk_buff *msg;
2354 struct cfg80211_registered_device *dev = info->user_ptr[0];
2355 struct wireless_dev *wdev = info->user_ptr[1];
2357 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2361 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2367 return genlmsg_reply(msg, info);
2370 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2371 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2372 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2373 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2374 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2375 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2376 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
2379 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2381 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2389 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2390 nla, mntr_flags_policy))
2393 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2395 *mntrflags |= (1<<flag);
2400 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2401 struct net_device *netdev, u8 use_4addr,
2402 enum nl80211_iftype iftype)
2405 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2411 case NL80211_IFTYPE_AP_VLAN:
2412 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2415 case NL80211_IFTYPE_STATION:
2416 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2426 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2428 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2429 struct vif_params params;
2431 enum nl80211_iftype otype, ntype;
2432 struct net_device *dev = info->user_ptr[1];
2433 u32 _flags, *flags = NULL;
2434 bool change = false;
2436 memset(¶ms, 0, sizeof(params));
2438 otype = ntype = dev->ieee80211_ptr->iftype;
2440 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2441 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2444 if (ntype > NL80211_IFTYPE_MAX)
2448 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2449 struct wireless_dev *wdev = dev->ieee80211_ptr;
2451 if (ntype != NL80211_IFTYPE_MESH_POINT)
2453 if (netif_running(dev))
2457 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2458 IEEE80211_MAX_MESH_ID_LEN);
2459 wdev->mesh_id_up_len =
2460 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2461 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2462 wdev->mesh_id_up_len);
2466 if (info->attrs[NL80211_ATTR_4ADDR]) {
2467 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2469 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2473 params.use_4addr = -1;
2476 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2477 if (ntype != NL80211_IFTYPE_MONITOR)
2479 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2488 if (flags && (*flags & MONITOR_FLAG_ACTIVE) &&
2489 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2493 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2497 if (!err && params.use_4addr != -1)
2498 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2503 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2505 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2506 struct vif_params params;
2507 struct wireless_dev *wdev;
2508 struct sk_buff *msg;
2510 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2513 memset(¶ms, 0, sizeof(params));
2515 if (!info->attrs[NL80211_ATTR_IFNAME])
2518 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2519 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2520 if (type > NL80211_IFTYPE_MAX)
2524 if (!rdev->ops->add_virtual_intf ||
2525 !(rdev->wiphy.interface_modes & (1 << type)))
2528 if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) {
2529 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2531 if (!is_valid_ether_addr(params.macaddr))
2532 return -EADDRNOTAVAIL;
2535 if (info->attrs[NL80211_ATTR_4ADDR]) {
2536 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2537 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2542 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2546 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2547 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2550 if (!err && (flags & MONITOR_FLAG_ACTIVE) &&
2551 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2554 wdev = rdev_add_virtual_intf(rdev,
2555 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2556 type, err ? NULL : &flags, ¶ms);
2559 return PTR_ERR(wdev);
2563 case NL80211_IFTYPE_MESH_POINT:
2564 if (!info->attrs[NL80211_ATTR_MESH_ID])
2567 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2568 IEEE80211_MAX_MESH_ID_LEN);
2569 wdev->mesh_id_up_len =
2570 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2571 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2572 wdev->mesh_id_up_len);
2575 case NL80211_IFTYPE_P2P_DEVICE:
2577 * P2P Device doesn't have a netdev, so doesn't go
2578 * through the netdev notifier and must be added here
2580 mutex_init(&wdev->mtx);
2581 INIT_LIST_HEAD(&wdev->event_list);
2582 spin_lock_init(&wdev->event_lock);
2583 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2584 spin_lock_init(&wdev->mgmt_registrations_lock);
2586 wdev->identifier = ++rdev->wdev_id;
2587 list_add_rcu(&wdev->list, &rdev->wdev_list);
2588 rdev->devlist_generation++;
2594 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2600 return genlmsg_reply(msg, info);
2603 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2605 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2606 struct wireless_dev *wdev = info->user_ptr[1];
2608 if (!rdev->ops->del_virtual_intf)
2612 * If we remove a wireless device without a netdev then clear
2613 * user_ptr[1] so that nl80211_post_doit won't dereference it
2614 * to check if it needs to do dev_put(). Otherwise it crashes
2615 * since the wdev has been freed, unlike with a netdev where
2616 * we need the dev_put() for the netdev to really be freed.
2619 info->user_ptr[1] = NULL;
2621 return rdev_del_virtual_intf(rdev, wdev);
2624 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2626 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2627 struct net_device *dev = info->user_ptr[1];
2630 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2633 if (!rdev->ops->set_noack_map)
2636 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2638 return rdev_set_noack_map(rdev, dev, noack_map);
2641 struct get_key_cookie {
2642 struct sk_buff *msg;
2647 static void get_key_callback(void *c, struct key_params *params)
2650 struct get_key_cookie *cookie = c;
2653 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2654 params->key_len, params->key)) ||
2656 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2657 params->seq_len, params->seq)) ||
2659 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2661 goto nla_put_failure;
2663 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2665 goto nla_put_failure;
2668 nla_put(cookie->msg, NL80211_KEY_DATA,
2669 params->key_len, params->key)) ||
2671 nla_put(cookie->msg, NL80211_KEY_SEQ,
2672 params->seq_len, params->seq)) ||
2674 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2676 goto nla_put_failure;
2678 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2679 goto nla_put_failure;
2681 nla_nest_end(cookie->msg, key);
2688 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2690 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2692 struct net_device *dev = info->user_ptr[1];
2694 const u8 *mac_addr = NULL;
2696 struct get_key_cookie cookie = {
2700 struct sk_buff *msg;
2702 if (info->attrs[NL80211_ATTR_KEY_IDX])
2703 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2708 if (info->attrs[NL80211_ATTR_MAC])
2709 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2711 pairwise = !!mac_addr;
2712 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2713 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2714 if (kt >= NUM_NL80211_KEYTYPES)
2716 if (kt != NL80211_KEYTYPE_GROUP &&
2717 kt != NL80211_KEYTYPE_PAIRWISE)
2719 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2722 if (!rdev->ops->get_key)
2725 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2729 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2730 NL80211_CMD_NEW_KEY);
2732 goto nla_put_failure;
2735 cookie.idx = key_idx;
2737 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2738 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2739 goto nla_put_failure;
2741 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2742 goto nla_put_failure;
2744 if (pairwise && mac_addr &&
2745 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2748 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2755 goto nla_put_failure;
2757 genlmsg_end(msg, hdr);
2758 return genlmsg_reply(msg, info);
2767 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2769 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2770 struct key_parse key;
2772 struct net_device *dev = info->user_ptr[1];
2774 err = nl80211_parse_key(info, &key);
2781 /* only support setting default key */
2782 if (!key.def && !key.defmgmt)
2785 wdev_lock(dev->ieee80211_ptr);
2788 if (!rdev->ops->set_default_key) {
2793 err = nl80211_key_allowed(dev->ieee80211_ptr);
2797 err = rdev_set_default_key(rdev, dev, key.idx,
2798 key.def_uni, key.def_multi);
2803 #ifdef CONFIG_CFG80211_WEXT
2804 dev->ieee80211_ptr->wext.default_key = key.idx;
2807 if (key.def_uni || !key.def_multi) {
2812 if (!rdev->ops->set_default_mgmt_key) {
2817 err = nl80211_key_allowed(dev->ieee80211_ptr);
2821 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
2825 #ifdef CONFIG_CFG80211_WEXT
2826 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
2831 wdev_unlock(dev->ieee80211_ptr);
2836 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2838 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2840 struct net_device *dev = info->user_ptr[1];
2841 struct key_parse key;
2842 const u8 *mac_addr = NULL;
2844 err = nl80211_parse_key(info, &key);
2851 if (info->attrs[NL80211_ATTR_MAC])
2852 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2854 if (key.type == -1) {
2856 key.type = NL80211_KEYTYPE_PAIRWISE;
2858 key.type = NL80211_KEYTYPE_GROUP;
2862 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2863 key.type != NL80211_KEYTYPE_GROUP)
2866 if (!rdev->ops->add_key)
2869 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2870 key.type == NL80211_KEYTYPE_PAIRWISE,
2874 wdev_lock(dev->ieee80211_ptr);
2875 err = nl80211_key_allowed(dev->ieee80211_ptr);
2877 err = rdev_add_key(rdev, dev, key.idx,
2878 key.type == NL80211_KEYTYPE_PAIRWISE,
2880 wdev_unlock(dev->ieee80211_ptr);
2885 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2887 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2889 struct net_device *dev = info->user_ptr[1];
2890 u8 *mac_addr = NULL;
2891 struct key_parse key;
2893 err = nl80211_parse_key(info, &key);
2897 if (info->attrs[NL80211_ATTR_MAC])
2898 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2900 if (key.type == -1) {
2902 key.type = NL80211_KEYTYPE_PAIRWISE;
2904 key.type = NL80211_KEYTYPE_GROUP;
2908 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2909 key.type != NL80211_KEYTYPE_GROUP)
2912 if (!rdev->ops->del_key)
2915 wdev_lock(dev->ieee80211_ptr);
2916 err = nl80211_key_allowed(dev->ieee80211_ptr);
2918 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2919 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2923 err = rdev_del_key(rdev, dev, key.idx,
2924 key.type == NL80211_KEYTYPE_PAIRWISE,
2927 #ifdef CONFIG_CFG80211_WEXT
2929 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2930 dev->ieee80211_ptr->wext.default_key = -1;
2931 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2932 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2935 wdev_unlock(dev->ieee80211_ptr);
2940 /* This function returns an error or the number of nested attributes */
2941 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
2943 struct nlattr *attr;
2944 int n_entries = 0, tmp;
2946 nla_for_each_nested(attr, nl_attr, tmp) {
2947 if (nla_len(attr) != ETH_ALEN)
2957 * This function parses ACL information and allocates memory for ACL data.
2958 * On successful return, the calling function is responsible to free the
2959 * ACL buffer returned by this function.
2961 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
2962 struct genl_info *info)
2964 enum nl80211_acl_policy acl_policy;
2965 struct nlattr *attr;
2966 struct cfg80211_acl_data *acl;
2967 int i = 0, n_entries, tmp;
2969 if (!wiphy->max_acl_mac_addrs)
2970 return ERR_PTR(-EOPNOTSUPP);
2972 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
2973 return ERR_PTR(-EINVAL);
2975 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
2976 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
2977 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
2978 return ERR_PTR(-EINVAL);
2980 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
2981 return ERR_PTR(-EINVAL);
2983 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
2985 return ERR_PTR(n_entries);
2987 if (n_entries > wiphy->max_acl_mac_addrs)
2988 return ERR_PTR(-ENOTSUPP);
2990 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
2993 return ERR_PTR(-ENOMEM);
2995 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
2996 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3000 acl->n_acl_entries = n_entries;
3001 acl->acl_policy = acl_policy;
3006 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3008 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3009 struct net_device *dev = info->user_ptr[1];
3010 struct cfg80211_acl_data *acl;
3013 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3014 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3017 if (!dev->ieee80211_ptr->beacon_interval)
3020 acl = parse_acl_data(&rdev->wiphy, info);
3022 return PTR_ERR(acl);
3024 err = rdev_set_mac_acl(rdev, dev, acl);
3031 static int nl80211_parse_beacon(struct nlattr *attrs[],
3032 struct cfg80211_beacon_data *bcn)
3034 bool haveinfo = false;
3036 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
3037 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
3038 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
3039 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
3042 memset(bcn, 0, sizeof(*bcn));
3044 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
3045 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
3046 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
3052 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
3053 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
3054 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
3061 if (attrs[NL80211_ATTR_IE]) {
3062 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
3063 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
3066 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
3067 bcn->proberesp_ies =
3068 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3069 bcn->proberesp_ies_len =
3070 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3073 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
3074 bcn->assocresp_ies =
3075 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3076 bcn->assocresp_ies_len =
3077 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3080 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3081 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3082 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
3088 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3089 struct cfg80211_ap_settings *params)
3091 struct wireless_dev *wdev;
3094 list_for_each_entry(wdev, &rdev->wdev_list, list) {
3095 if (wdev->iftype != NL80211_IFTYPE_AP &&
3096 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3099 if (!wdev->preset_chandef.chan)
3102 params->chandef = wdev->preset_chandef;
3110 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3111 enum nl80211_auth_type auth_type,
3112 enum nl80211_commands cmd)
3114 if (auth_type > NL80211_AUTHTYPE_MAX)
3118 case NL80211_CMD_AUTHENTICATE:
3119 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3120 auth_type == NL80211_AUTHTYPE_SAE)
3123 case NL80211_CMD_CONNECT:
3124 case NL80211_CMD_START_AP:
3125 /* SAE not supported yet */
3126 if (auth_type == NL80211_AUTHTYPE_SAE)
3134 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3136 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3137 struct net_device *dev = info->user_ptr[1];
3138 struct wireless_dev *wdev = dev->ieee80211_ptr;
3139 struct cfg80211_ap_settings params;
3141 u8 radar_detect_width = 0;
3143 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3144 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3147 if (!rdev->ops->start_ap)
3150 if (wdev->beacon_interval)
3153 memset(¶ms, 0, sizeof(params));
3155 /* these are required for START_AP */
3156 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3157 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3158 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3161 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon);
3165 params.beacon_interval =
3166 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3167 params.dtim_period =
3168 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3170 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
3175 * In theory, some of these attributes should be required here
3176 * but since they were not used when the command was originally
3177 * added, keep them optional for old user space programs to let
3178 * them continue to work with drivers that do not need the
3179 * additional information -- drivers must check!
3181 if (info->attrs[NL80211_ATTR_SSID]) {
3182 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3184 nla_len(info->attrs[NL80211_ATTR_SSID]);
3185 if (params.ssid_len == 0 ||
3186 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3190 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3191 params.hidden_ssid = nla_get_u32(
3192 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3193 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3194 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3195 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3199 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3201 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3202 params.auth_type = nla_get_u32(
3203 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3204 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3205 NL80211_CMD_START_AP))
3208 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3210 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3211 NL80211_MAX_NR_CIPHER_SUITES);
3215 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3216 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3218 params.inactivity_timeout = nla_get_u16(
3219 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3222 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3223 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3225 params.p2p_ctwindow =
3226 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3227 if (params.p2p_ctwindow > 127)
3229 if (params.p2p_ctwindow != 0 &&
3230 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3234 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3237 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3239 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3242 params.p2p_opp_ps = tmp;
3243 if (params.p2p_opp_ps != 0 &&
3244 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3248 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3249 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
3252 } else if (wdev->preset_chandef.chan) {
3253 params.chandef = wdev->preset_chandef;
3254 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
3257 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
3260 err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef);
3264 radar_detect_width = BIT(params.chandef.width);
3265 params.radar_required = true;
3268 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
3269 params.chandef.chan,
3271 radar_detect_width);
3275 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3276 params.acl = parse_acl_data(&rdev->wiphy, info);
3277 if (IS_ERR(params.acl))
3278 return PTR_ERR(params.acl);
3282 err = rdev_start_ap(rdev, dev, ¶ms);
3284 wdev->preset_chandef = params.chandef;
3285 wdev->beacon_interval = params.beacon_interval;
3286 wdev->chandef = params.chandef;
3287 wdev->ssid_len = params.ssid_len;
3288 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
3297 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3299 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3300 struct net_device *dev = info->user_ptr[1];
3301 struct wireless_dev *wdev = dev->ieee80211_ptr;
3302 struct cfg80211_beacon_data params;
3305 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3306 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3309 if (!rdev->ops->change_beacon)
3312 if (!wdev->beacon_interval)
3315 err = nl80211_parse_beacon(info->attrs, ¶ms);
3320 err = rdev_change_beacon(rdev, dev, ¶ms);
3326 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
3328 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3329 struct net_device *dev = info->user_ptr[1];
3331 return cfg80211_stop_ap(rdev, dev);
3334 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
3335 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
3336 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
3337 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
3338 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
3339 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
3340 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
3343 static int parse_station_flags(struct genl_info *info,
3344 enum nl80211_iftype iftype,
3345 struct station_parameters *params)
3347 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
3352 * Try parsing the new attribute first so userspace
3353 * can specify both for older kernels.
3355 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
3357 struct nl80211_sta_flag_update *sta_flags;
3359 sta_flags = nla_data(nla);
3360 params->sta_flags_mask = sta_flags->mask;
3361 params->sta_flags_set = sta_flags->set;
3362 params->sta_flags_set &= params->sta_flags_mask;
3363 if ((params->sta_flags_mask |
3364 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
3369 /* if present, parse the old attribute */
3371 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
3375 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
3376 nla, sta_flags_policy))
3380 * Only allow certain flags for interface types so that
3381 * other attributes are silently ignored. Remember that
3382 * this is backward compatibility code with old userspace
3383 * and shouldn't be hit in other cases anyway.
3386 case NL80211_IFTYPE_AP:
3387 case NL80211_IFTYPE_AP_VLAN:
3388 case NL80211_IFTYPE_P2P_GO:
3389 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3390 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3391 BIT(NL80211_STA_FLAG_WME) |
3392 BIT(NL80211_STA_FLAG_MFP);
3394 case NL80211_IFTYPE_P2P_CLIENT:
3395 case NL80211_IFTYPE_STATION:
3396 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3397 BIT(NL80211_STA_FLAG_TDLS_PEER);
3399 case NL80211_IFTYPE_MESH_POINT:
3400 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3401 BIT(NL80211_STA_FLAG_MFP) |
3402 BIT(NL80211_STA_FLAG_AUTHORIZED);
3407 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
3409 params->sta_flags_set |= (1<<flag);
3411 /* no longer support new API additions in old API */
3412 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
3420 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
3423 struct nlattr *rate;
3427 rate = nla_nest_start(msg, attr);
3431 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3432 bitrate = cfg80211_calculate_bitrate(info);
3433 /* report 16-bit bitrate only if we can */
3434 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
3436 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
3438 if (bitrate_compat > 0 &&
3439 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
3442 if (info->flags & RATE_INFO_FLAGS_MCS) {
3443 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
3445 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3446 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3448 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3449 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3451 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
3452 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
3454 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
3456 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3457 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3459 if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
3460 nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
3462 if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
3463 nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
3465 if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
3466 nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
3468 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3469 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3473 nla_nest_end(msg, rate);
3477 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
3486 attr = nla_nest_start(msg, id);
3490 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3491 if (!(mask & BIT(i)))
3494 if (nla_put_u8(msg, i, signal[i]))
3498 nla_nest_end(msg, attr);
3503 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
3505 struct cfg80211_registered_device *rdev,
3506 struct net_device *dev,
3507 const u8 *mac_addr, struct station_info *sinfo)
3510 struct nlattr *sinfoattr, *bss_param;
3512 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3516 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3517 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
3518 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
3519 goto nla_put_failure;
3521 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
3523 goto nla_put_failure;
3524 if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
3525 nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
3526 sinfo->connected_time))
3527 goto nla_put_failure;
3528 if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
3529 nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
3530 sinfo->inactive_time))
3531 goto nla_put_failure;
3532 if ((sinfo->filled & (STATION_INFO_RX_BYTES |
3533 STATION_INFO_RX_BYTES64)) &&
3534 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
3535 (u32)sinfo->rx_bytes))
3536 goto nla_put_failure;
3537 if ((sinfo->filled & (STATION_INFO_TX_BYTES |
3538 STATION_INFO_TX_BYTES64)) &&
3539 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
3540 (u32)sinfo->tx_bytes))
3541 goto nla_put_failure;
3542 if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
3543 nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
3545 goto nla_put_failure;
3546 if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
3547 nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
3549 goto nla_put_failure;
3550 if ((sinfo->filled & STATION_INFO_LLID) &&
3551 nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
3552 goto nla_put_failure;
3553 if ((sinfo->filled & STATION_INFO_PLID) &&
3554 nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
3555 goto nla_put_failure;
3556 if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
3557 nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
3558 sinfo->plink_state))
3559 goto nla_put_failure;
3560 switch (rdev->wiphy.signal_type) {
3561 case CFG80211_SIGNAL_TYPE_MBM:
3562 if ((sinfo->filled & STATION_INFO_SIGNAL) &&
3563 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
3565 goto nla_put_failure;
3566 if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
3567 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
3569 goto nla_put_failure;
3574 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
3575 if (!nl80211_put_signal(msg, sinfo->chains,
3576 sinfo->chain_signal,
3577 NL80211_STA_INFO_CHAIN_SIGNAL))
3578 goto nla_put_failure;
3580 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
3581 if (!nl80211_put_signal(msg, sinfo->chains,
3582 sinfo->chain_signal_avg,
3583 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
3584 goto nla_put_failure;
3586 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
3587 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3588 NL80211_STA_INFO_TX_BITRATE))
3589 goto nla_put_failure;
3591 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
3592 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
3593 NL80211_STA_INFO_RX_BITRATE))
3594 goto nla_put_failure;
3596 if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
3597 nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
3599 goto nla_put_failure;
3600 if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
3601 nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
3603 goto nla_put_failure;
3604 if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
3605 nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
3607 goto nla_put_failure;
3608 if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
3609 nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
3611 goto nla_put_failure;
3612 if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
3613 nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
3614 sinfo->beacon_loss_count))
3615 goto nla_put_failure;
3616 if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
3617 nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
3619 goto nla_put_failure;
3620 if ((sinfo->filled & STATION_INFO_PEER_PM) &&
3621 nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
3623 goto nla_put_failure;
3624 if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
3625 nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
3627 goto nla_put_failure;
3628 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
3629 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3631 goto nla_put_failure;
3633 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3634 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3635 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3636 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3637 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3638 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3639 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3640 sinfo->bss_param.dtim_period) ||
3641 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3642 sinfo->bss_param.beacon_interval))
3643 goto nla_put_failure;
3645 nla_nest_end(msg, bss_param);
3647 if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
3648 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3649 sizeof(struct nl80211_sta_flag_update),
3651 goto nla_put_failure;
3652 if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
3653 nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
3655 goto nla_put_failure;
3656 nla_nest_end(msg, sinfoattr);
3658 if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
3659 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3660 sinfo->assoc_req_ies))
3661 goto nla_put_failure;
3663 return genlmsg_end(msg, hdr);
3666 genlmsg_cancel(msg, hdr);
3670 static int nl80211_dump_station(struct sk_buff *skb,
3671 struct netlink_callback *cb)
3673 struct station_info sinfo;
3674 struct cfg80211_registered_device *dev;
3675 struct wireless_dev *wdev;
3676 u8 mac_addr[ETH_ALEN];
3677 int sta_idx = cb->args[2];
3680 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
3684 if (!wdev->netdev) {
3689 if (!dev->ops->dump_station) {
3695 memset(&sinfo, 0, sizeof(sinfo));
3696 err = rdev_dump_station(dev, wdev->netdev, sta_idx,
3703 if (nl80211_send_station(skb,
3704 NETLINK_CB(cb->skb).portid,
3705 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3706 dev, wdev->netdev, mac_addr,
3715 cb->args[2] = sta_idx;
3718 nl80211_finish_wdev_dump(dev);
3723 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3725 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3726 struct net_device *dev = info->user_ptr[1];
3727 struct station_info sinfo;
3728 struct sk_buff *msg;
3729 u8 *mac_addr = NULL;
3732 memset(&sinfo, 0, sizeof(sinfo));
3734 if (!info->attrs[NL80211_ATTR_MAC])
3737 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3739 if (!rdev->ops->get_station)
3742 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
3746 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3750 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
3751 rdev, dev, mac_addr, &sinfo) < 0) {
3756 return genlmsg_reply(msg, info);
3759 int cfg80211_check_station_change(struct wiphy *wiphy,
3760 struct station_parameters *params,
3761 enum cfg80211_station_type statype)
3763 if (params->listen_interval != -1)
3768 /* When you run into this, adjust the code below for the new flag */
3769 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
3772 case CFG80211_STA_MESH_PEER_KERNEL:
3773 case CFG80211_STA_MESH_PEER_USER:
3775 * No ignoring the TDLS flag here -- the userspace mesh
3776 * code doesn't have the bug of including TDLS in the
3779 if (params->sta_flags_mask &
3780 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3781 BIT(NL80211_STA_FLAG_MFP) |
3782 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3785 case CFG80211_STA_TDLS_PEER_SETUP:
3786 case CFG80211_STA_TDLS_PEER_ACTIVE:
3787 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3789 /* ignore since it can't change */
3790 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3793 /* disallow mesh-specific things */
3794 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3796 if (params->local_pm)
3798 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3802 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
3803 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
3804 /* TDLS can't be set, ... */
3805 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3808 * ... but don't bother the driver with it. This works around
3809 * a hostapd/wpa_supplicant issue -- it always includes the
3810 * TLDS_PEER flag in the mask even for AP mode.
3812 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3815 if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
3816 /* reject other things that can't change */
3817 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
3819 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
3821 if (params->supported_rates)
3823 if (params->ext_capab || params->ht_capa || params->vht_capa)
3827 if (statype != CFG80211_STA_AP_CLIENT) {
3833 case CFG80211_STA_AP_MLME_CLIENT:
3834 /* Use this only for authorizing/unauthorizing a station */
3835 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3838 case CFG80211_STA_AP_CLIENT:
3839 /* accept only the listed bits */
3840 if (params->sta_flags_mask &
3841 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3842 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3843 BIT(NL80211_STA_FLAG_ASSOCIATED) |
3844 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3845 BIT(NL80211_STA_FLAG_WME) |
3846 BIT(NL80211_STA_FLAG_MFP)))
3849 /* but authenticated/associated only if driver handles it */
3850 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
3851 params->sta_flags_mask &
3852 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3853 BIT(NL80211_STA_FLAG_ASSOCIATED)))
3856 case CFG80211_STA_IBSS:
3857 case CFG80211_STA_AP_STA:
3858 /* reject any changes other than AUTHORIZED */
3859 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
3862 case CFG80211_STA_TDLS_PEER_SETUP:
3863 /* reject any changes other than AUTHORIZED or WME */
3864 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3865 BIT(NL80211_STA_FLAG_WME)))
3867 /* force (at least) rates when authorizing */
3868 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
3869 !params->supported_rates)
3872 case CFG80211_STA_TDLS_PEER_ACTIVE:
3873 /* reject any changes */
3875 case CFG80211_STA_MESH_PEER_KERNEL:
3876 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3879 case CFG80211_STA_MESH_PEER_USER:
3880 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3887 EXPORT_SYMBOL(cfg80211_check_station_change);
3890 * Get vlan interface making sure it is running and on the right wiphy.
3892 static struct net_device *get_vlan(struct genl_info *info,
3893 struct cfg80211_registered_device *rdev)
3895 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
3896 struct net_device *v;
3902 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
3904 return ERR_PTR(-ENODEV);
3906 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
3911 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
3912 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3913 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3918 if (!netif_running(v)) {
3926 return ERR_PTR(ret);
3929 static const struct nla_policy
3930 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
3931 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
3932 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
3935 static int nl80211_parse_sta_wme(struct genl_info *info,
3936 struct station_parameters *params)
3938 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
3942 /* parse WME attributes if present */
3943 if (!info->attrs[NL80211_ATTR_STA_WME])
3946 nla = info->attrs[NL80211_ATTR_STA_WME];
3947 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
3948 nl80211_sta_wme_policy);
3952 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
3953 params->uapsd_queues = nla_get_u8(
3954 tb[NL80211_STA_WME_UAPSD_QUEUES]);
3955 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
3958 if (tb[NL80211_STA_WME_MAX_SP])
3959 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
3961 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
3964 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
3969 static int nl80211_parse_sta_channel_info(struct genl_info *info,
3970 struct station_parameters *params)
3972 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
3973 params->supported_channels =
3974 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
3975 params->supported_channels_len =
3976 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
3978 * Need to include at least one (first channel, number of
3979 * channels) tuple for each subband, and must have proper
3980 * tuples for the rest of the data as well.
3982 if (params->supported_channels_len < 2)
3984 if (params->supported_channels_len % 2)
3988 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
3989 params->supported_oper_classes =
3990 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
3991 params->supported_oper_classes_len =
3992 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
3994 * The value of the Length field of the Supported Operating
3995 * Classes element is between 2 and 253.
3997 if (params->supported_oper_classes_len < 2 ||
3998 params->supported_oper_classes_len > 253)
4004 static int nl80211_set_station_tdls(struct genl_info *info,
4005 struct station_parameters *params)
4008 /* Dummy STA entry gets updated once the peer capabilities are known */
4009 if (info->attrs[NL80211_ATTR_PEER_AID])
4010 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4011 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4013 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4014 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4016 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4018 err = nl80211_parse_sta_channel_info(info, params);
4022 return nl80211_parse_sta_wme(info, params);
4025 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
4027 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4028 struct net_device *dev = info->user_ptr[1];
4029 struct station_parameters params;
4033 memset(¶ms, 0, sizeof(params));
4035 params.listen_interval = -1;
4037 if (!rdev->ops->change_station)
4040 if (info->attrs[NL80211_ATTR_STA_AID])
4043 if (!info->attrs[NL80211_ATTR_MAC])
4046 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4048 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4049 params.supported_rates =
4050 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4051 params.supported_rates_len =
4052 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4055 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4057 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4058 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4061 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4063 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4064 params.ext_capab_len =
4065 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4068 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4071 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4074 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4075 params.plink_action =
4076 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4077 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4081 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
4082 params.plink_state =
4083 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4084 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4086 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4089 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4090 enum nl80211_mesh_power_mode pm = nla_get_u32(
4091 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4093 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4094 pm > NL80211_MESH_POWER_MAX)
4097 params.local_pm = pm;
4100 /* Include parameters for TDLS peer (will check later) */
4101 err = nl80211_set_station_tdls(info, ¶ms);
4105 params.vlan = get_vlan(info, rdev);
4106 if (IS_ERR(params.vlan))
4107 return PTR_ERR(params.vlan);
4109 switch (dev->ieee80211_ptr->iftype) {
4110 case NL80211_IFTYPE_AP:
4111 case NL80211_IFTYPE_AP_VLAN:
4112 case NL80211_IFTYPE_P2P_GO:
4113 case NL80211_IFTYPE_P2P_CLIENT:
4114 case NL80211_IFTYPE_STATION:
4115 case NL80211_IFTYPE_ADHOC:
4116 case NL80211_IFTYPE_MESH_POINT:
4123 /* driver will call cfg80211_check_station_change() */
4124 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4128 dev_put(params.vlan);
4133 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4135 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4137 struct net_device *dev = info->user_ptr[1];
4138 struct station_parameters params;
4139 u8 *mac_addr = NULL;
4141 memset(¶ms, 0, sizeof(params));
4143 if (!rdev->ops->add_station)
4146 if (!info->attrs[NL80211_ATTR_MAC])
4149 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4152 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4155 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4156 !info->attrs[NL80211_ATTR_PEER_AID])
4159 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4160 params.supported_rates =
4161 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4162 params.supported_rates_len =
4163 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4164 params.listen_interval =
4165 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4167 if (info->attrs[NL80211_ATTR_PEER_AID])
4168 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4170 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4171 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4174 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4176 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4177 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4180 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4182 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4183 params.ext_capab_len =
4184 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4187 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4189 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4191 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4193 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4195 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4196 params.opmode_notif_used = true;
4197 params.opmode_notif =
4198 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4201 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4202 params.plink_action =
4203 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4204 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4208 err = nl80211_parse_sta_channel_info(info, ¶ms);
4212 err = nl80211_parse_sta_wme(info, ¶ms);
4216 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4219 /* When you run into this, adjust the code below for the new flag */
4220 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4222 switch (dev->ieee80211_ptr->iftype) {
4223 case NL80211_IFTYPE_AP:
4224 case NL80211_IFTYPE_AP_VLAN:
4225 case NL80211_IFTYPE_P2P_GO:
4226 /* ignore WME attributes if iface/sta is not capable */
4227 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
4228 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
4229 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4231 /* TDLS peers cannot be added */
4232 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4233 info->attrs[NL80211_ATTR_PEER_AID])
4235 /* but don't bother the driver with it */
4236 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4238 /* allow authenticated/associated only if driver handles it */
4239 if (!(rdev->wiphy.features &
4240 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4241 params.sta_flags_mask &
4242 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4243 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4246 /* must be last in here for error handling */
4247 params.vlan = get_vlan(info, rdev);
4248 if (IS_ERR(params.vlan))
4249 return PTR_ERR(params.vlan);
4251 case NL80211_IFTYPE_MESH_POINT:
4252 /* ignore uAPSD data */
4253 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4255 /* associated is disallowed */
4256 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
4258 /* TDLS peers cannot be added */
4259 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4260 info->attrs[NL80211_ATTR_PEER_AID])
4263 case NL80211_IFTYPE_STATION:
4264 case NL80211_IFTYPE_P2P_CLIENT:
4265 /* ignore uAPSD data */
4266 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4268 /* these are disallowed */
4269 if (params.sta_flags_mask &
4270 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
4271 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
4273 /* Only TDLS peers can be added */
4274 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4276 /* Can only add if TDLS ... */
4277 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
4279 /* ... with external setup is supported */
4280 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
4283 * Older wpa_supplicant versions always mark the TDLS peer
4284 * as authorized, but it shouldn't yet be.
4286 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
4292 /* be aware of params.vlan when changing code here */
4294 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
4297 dev_put(params.vlan);
4301 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
4303 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4304 struct net_device *dev = info->user_ptr[1];
4305 u8 *mac_addr = NULL;
4307 if (info->attrs[NL80211_ATTR_MAC])
4308 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4310 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4311 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4312 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4313 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4316 if (!rdev->ops->del_station)
4319 return rdev_del_station(rdev, dev, mac_addr);
4322 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
4323 int flags, struct net_device *dev,
4324 u8 *dst, u8 *next_hop,
4325 struct mpath_info *pinfo)
4328 struct nlattr *pinfoattr;
4330 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
4334 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4335 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
4336 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
4337 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
4338 goto nla_put_failure;
4340 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
4342 goto nla_put_failure;
4343 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
4344 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
4346 goto nla_put_failure;
4347 if (((pinfo->filled & MPATH_INFO_SN) &&
4348 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
4349 ((pinfo->filled & MPATH_INFO_METRIC) &&
4350 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
4352 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
4353 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
4355 ((pinfo->filled & MPATH_INFO_FLAGS) &&
4356 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
4358 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
4359 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
4360 pinfo->discovery_timeout)) ||
4361 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
4362 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
4363 pinfo->discovery_retries)))
4364 goto nla_put_failure;
4366 nla_nest_end(msg, pinfoattr);
4368 return genlmsg_end(msg, hdr);
4371 genlmsg_cancel(msg, hdr);
4375 static int nl80211_dump_mpath(struct sk_buff *skb,
4376 struct netlink_callback *cb)
4378 struct mpath_info pinfo;
4379 struct cfg80211_registered_device *dev;
4380 struct wireless_dev *wdev;
4382 u8 next_hop[ETH_ALEN];
4383 int path_idx = cb->args[2];
4386 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
4390 if (!dev->ops->dump_mpath) {
4395 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
4401 err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst,
4408 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
4409 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4410 wdev->netdev, dst, next_hop,
4419 cb->args[2] = path_idx;
4422 nl80211_finish_wdev_dump(dev);
4426 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
4428 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4430 struct net_device *dev = info->user_ptr[1];
4431 struct mpath_info pinfo;
4432 struct sk_buff *msg;
4434 u8 next_hop[ETH_ALEN];
4436 memset(&pinfo, 0, sizeof(pinfo));
4438 if (!info->attrs[NL80211_ATTR_MAC])
4441 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4443 if (!rdev->ops->get_mpath)
4446 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4449 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
4453 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4457 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4458 dev, dst, next_hop, &pinfo) < 0) {
4463 return genlmsg_reply(msg, info);
4466 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
4468 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4469 struct net_device *dev = info->user_ptr[1];
4471 u8 *next_hop = NULL;
4473 if (!info->attrs[NL80211_ATTR_MAC])
4476 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4479 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4480 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4482 if (!rdev->ops->change_mpath)
4485 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4488 return rdev_change_mpath(rdev, dev, dst, next_hop);
4491 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
4493 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4494 struct net_device *dev = info->user_ptr[1];
4496 u8 *next_hop = NULL;
4498 if (!info->attrs[NL80211_ATTR_MAC])
4501 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4504 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4505 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4507 if (!rdev->ops->add_mpath)
4510 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4513 return rdev_add_mpath(rdev, dev, dst, next_hop);
4516 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
4518 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4519 struct net_device *dev = info->user_ptr[1];
4522 if (info->attrs[NL80211_ATTR_MAC])
4523 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4525 if (!rdev->ops->del_mpath)
4528 return rdev_del_mpath(rdev, dev, dst);
4531 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
4533 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4534 struct net_device *dev = info->user_ptr[1];
4535 struct wireless_dev *wdev = dev->ieee80211_ptr;
4536 struct bss_parameters params;
4539 memset(¶ms, 0, sizeof(params));
4540 /* default to not changing parameters */
4541 params.use_cts_prot = -1;
4542 params.use_short_preamble = -1;
4543 params.use_short_slot_time = -1;
4544 params.ap_isolate = -1;
4545 params.ht_opmode = -1;
4546 params.p2p_ctwindow = -1;
4547 params.p2p_opp_ps = -1;
4549 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
4550 params.use_cts_prot =
4551 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
4552 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
4553 params.use_short_preamble =
4554 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
4555 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
4556 params.use_short_slot_time =
4557 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
4558 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4559 params.basic_rates =
4560 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4561 params.basic_rates_len =
4562 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4564 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
4565 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
4566 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
4568 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
4570 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4571 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4573 params.p2p_ctwindow =
4574 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4575 if (params.p2p_ctwindow < 0)
4577 if (params.p2p_ctwindow != 0 &&
4578 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4582 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4585 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4587 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4590 params.p2p_opp_ps = tmp;
4591 if (params.p2p_opp_ps &&
4592 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4596 if (!rdev->ops->change_bss)
4599 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4600 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4604 err = rdev_change_bss(rdev, dev, ¶ms);
4610 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
4611 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
4612 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
4613 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
4614 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
4615 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
4616 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
4619 static int parse_reg_rule(struct nlattr *tb[],
4620 struct ieee80211_reg_rule *reg_rule)
4622 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
4623 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
4625 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
4627 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
4629 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
4631 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
4633 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
4636 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
4638 freq_range->start_freq_khz =
4639 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
4640 freq_range->end_freq_khz =
4641 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
4642 freq_range->max_bandwidth_khz =
4643 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
4645 power_rule->max_eirp =
4646 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
4648 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
4649 power_rule->max_antenna_gain =
4650 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
4655 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
4659 enum nl80211_user_reg_hint_type user_reg_hint_type;
4662 * You should only get this when cfg80211 hasn't yet initialized
4663 * completely when built-in to the kernel right between the time
4664 * window between nl80211_init() and regulatory_init(), if that is
4667 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
4668 return -EINPROGRESS;
4670 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4673 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4675 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
4676 user_reg_hint_type =
4677 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
4679 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
4681 switch (user_reg_hint_type) {
4682 case NL80211_USER_REG_HINT_USER:
4683 case NL80211_USER_REG_HINT_CELL_BASE:
4689 r = regulatory_hint_user(data, user_reg_hint_type);
4694 static int nl80211_get_mesh_config(struct sk_buff *skb,
4695 struct genl_info *info)
4697 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4698 struct net_device *dev = info->user_ptr[1];
4699 struct wireless_dev *wdev = dev->ieee80211_ptr;
4700 struct mesh_config cur_params;
4703 struct nlattr *pinfoattr;
4704 struct sk_buff *msg;
4706 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4709 if (!rdev->ops->get_mesh_config)
4713 /* If not connected, get default parameters */
4714 if (!wdev->mesh_id_len)
4715 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
4717 err = rdev_get_mesh_config(rdev, dev, &cur_params);
4723 /* Draw up a netlink message to send back */
4724 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4727 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4728 NL80211_CMD_GET_MESH_CONFIG);
4731 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
4733 goto nla_put_failure;
4734 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4735 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
4736 cur_params.dot11MeshRetryTimeout) ||
4737 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4738 cur_params.dot11MeshConfirmTimeout) ||
4739 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
4740 cur_params.dot11MeshHoldingTimeout) ||
4741 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
4742 cur_params.dot11MeshMaxPeerLinks) ||
4743 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
4744 cur_params.dot11MeshMaxRetries) ||
4745 nla_put_u8(msg, NL80211_MESHCONF_TTL,
4746 cur_params.dot11MeshTTL) ||
4747 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
4748 cur_params.element_ttl) ||
4749 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4750 cur_params.auto_open_plinks) ||
4751 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4752 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
4753 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4754 cur_params.dot11MeshHWMPmaxPREQretries) ||
4755 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
4756 cur_params.path_refresh_time) ||
4757 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4758 cur_params.min_discovery_timeout) ||
4759 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4760 cur_params.dot11MeshHWMPactivePathTimeout) ||
4761 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4762 cur_params.dot11MeshHWMPpreqMinInterval) ||
4763 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4764 cur_params.dot11MeshHWMPperrMinInterval) ||
4765 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4766 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
4767 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
4768 cur_params.dot11MeshHWMPRootMode) ||
4769 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4770 cur_params.dot11MeshHWMPRannInterval) ||
4771 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4772 cur_params.dot11MeshGateAnnouncementProtocol) ||
4773 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
4774 cur_params.dot11MeshForwarding) ||
4775 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
4776 cur_params.rssi_threshold) ||
4777 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
4778 cur_params.ht_opmode) ||
4779 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4780 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
4781 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4782 cur_params.dot11MeshHWMProotInterval) ||
4783 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4784 cur_params.dot11MeshHWMPconfirmationInterval) ||
4785 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
4786 cur_params.power_mode) ||
4787 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
4788 cur_params.dot11MeshAwakeWindowDuration) ||
4789 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4790 cur_params.plink_timeout))
4791 goto nla_put_failure;
4792 nla_nest_end(msg, pinfoattr);
4793 genlmsg_end(msg, hdr);
4794 return genlmsg_reply(msg, info);
4797 genlmsg_cancel(msg, hdr);
4803 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
4804 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
4805 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
4806 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
4807 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
4808 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
4809 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
4810 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
4811 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
4812 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
4813 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
4814 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
4815 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
4816 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
4817 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
4818 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
4819 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
4820 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
4821 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
4822 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
4823 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
4824 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
4825 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
4826 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
4827 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
4828 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
4829 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
4830 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
4831 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
4834 static const struct nla_policy
4835 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
4836 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
4837 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
4838 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
4839 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
4840 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
4841 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
4842 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
4843 .len = IEEE80211_MAX_DATA_LEN },
4844 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
4847 static int nl80211_parse_mesh_config(struct genl_info *info,
4848 struct mesh_config *cfg,
4851 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
4854 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4857 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4859 cfg->param = fn(tb[attr]); \
4860 mask |= (1 << (attr - 1)); \
4865 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
4867 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
4868 info->attrs[NL80211_ATTR_MESH_CONFIG],
4869 nl80211_meshconf_params_policy))
4872 /* This makes sure that there aren't more than 32 mesh config
4873 * parameters (otherwise our bitfield scheme would not work.) */
4874 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
4876 /* Fill in the params struct */
4877 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
4878 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
4880 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
4881 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4883 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
4884 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
4886 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
4887 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
4889 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
4890 mask, NL80211_MESHCONF_MAX_RETRIES,
4892 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
4893 mask, NL80211_MESHCONF_TTL, nla_get_u8);
4894 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
4895 mask, NL80211_MESHCONF_ELEMENT_TTL,
4897 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
4898 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4900 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
4902 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4904 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
4905 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4907 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
4908 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
4910 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
4911 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4913 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
4915 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4917 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
4919 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4921 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
4923 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4925 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4926 dot11MeshHWMPnetDiameterTraversalTime,
4928 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4930 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
4931 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
4933 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
4934 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4936 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4937 dot11MeshGateAnnouncementProtocol, 0, 1,
4938 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4940 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
4941 mask, NL80211_MESHCONF_FORWARDING,
4943 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
4944 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
4946 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
4947 mask, NL80211_MESHCONF_HT_OPMODE,
4949 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
4951 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4953 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
4954 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4956 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4957 dot11MeshHWMPconfirmationInterval,
4959 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4961 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
4962 NL80211_MESH_POWER_ACTIVE,
4963 NL80211_MESH_POWER_MAX,
4964 mask, NL80211_MESHCONF_POWER_MODE,
4966 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
4968 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
4969 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
4970 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
4977 #undef FILL_IN_MESH_PARAM_IF_SET
4980 static int nl80211_parse_mesh_setup(struct genl_info *info,
4981 struct mesh_setup *setup)
4983 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4984 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
4986 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
4988 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
4989 info->attrs[NL80211_ATTR_MESH_SETUP],
4990 nl80211_mesh_setup_params_policy))
4993 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
4994 setup->sync_method =
4995 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
4996 IEEE80211_SYNC_METHOD_VENDOR :
4997 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
4999 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
5000 setup->path_sel_proto =
5001 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
5002 IEEE80211_PATH_PROTOCOL_VENDOR :
5003 IEEE80211_PATH_PROTOCOL_HWMP;
5005 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
5006 setup->path_metric =
5007 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
5008 IEEE80211_PATH_METRIC_VENDOR :
5009 IEEE80211_PATH_METRIC_AIRTIME;
5012 if (tb[NL80211_MESH_SETUP_IE]) {
5013 struct nlattr *ieattr =
5014 tb[NL80211_MESH_SETUP_IE];
5015 if (!is_valid_ie_attr(ieattr))
5017 setup->ie = nla_data(ieattr);
5018 setup->ie_len = nla_len(ieattr);
5020 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
5021 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
5023 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
5024 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
5025 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
5026 if (setup->is_secure)
5027 setup->user_mpm = true;
5029 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
5030 if (!setup->user_mpm)
5033 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
5039 static int nl80211_update_mesh_config(struct sk_buff *skb,
5040 struct genl_info *info)
5042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5043 struct net_device *dev = info->user_ptr[1];
5044 struct wireless_dev *wdev = dev->ieee80211_ptr;
5045 struct mesh_config cfg;
5049 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5052 if (!rdev->ops->update_mesh_config)
5055 err = nl80211_parse_mesh_config(info, &cfg, &mask);
5060 if (!wdev->mesh_id_len)
5064 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
5071 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
5073 const struct ieee80211_regdomain *regdom;
5074 struct sk_buff *msg;
5076 struct nlattr *nl_reg_rules;
5079 if (!cfg80211_regdomain)
5082 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5086 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5087 NL80211_CMD_GET_REG);
5091 if (reg_last_request_cell_base() &&
5092 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
5093 NL80211_USER_REG_HINT_CELL_BASE))
5094 goto nla_put_failure;
5097 regdom = rcu_dereference(cfg80211_regdomain);
5099 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
5100 (regdom->dfs_region &&
5101 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
5102 goto nla_put_failure_rcu;
5104 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
5106 goto nla_put_failure_rcu;
5108 for (i = 0; i < regdom->n_reg_rules; i++) {
5109 struct nlattr *nl_reg_rule;
5110 const struct ieee80211_reg_rule *reg_rule;
5111 const struct ieee80211_freq_range *freq_range;
5112 const struct ieee80211_power_rule *power_rule;
5113 unsigned int max_bandwidth_khz;
5115 reg_rule = ®dom->reg_rules[i];
5116 freq_range = ®_rule->freq_range;
5117 power_rule = ®_rule->power_rule;
5119 nl_reg_rule = nla_nest_start(msg, i);
5121 goto nla_put_failure_rcu;
5123 max_bandwidth_khz = freq_range->max_bandwidth_khz;
5124 if (!max_bandwidth_khz)
5125 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
5128 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
5130 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
5131 freq_range->start_freq_khz) ||
5132 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
5133 freq_range->end_freq_khz) ||
5134 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
5135 max_bandwidth_khz) ||
5136 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
5137 power_rule->max_antenna_gain) ||
5138 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
5139 power_rule->max_eirp))
5140 goto nla_put_failure_rcu;
5142 nla_nest_end(msg, nl_reg_rule);
5146 nla_nest_end(msg, nl_reg_rules);
5148 genlmsg_end(msg, hdr);
5149 return genlmsg_reply(msg, info);
5151 nla_put_failure_rcu:
5154 genlmsg_cancel(msg, hdr);
5160 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
5162 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
5163 struct nlattr *nl_reg_rule;
5164 char *alpha2 = NULL;
5165 int rem_reg_rules = 0, r = 0;
5166 u32 num_rules = 0, rule_idx = 0, size_of_regd;
5167 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
5168 struct ieee80211_regdomain *rd = NULL;
5170 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5173 if (!info->attrs[NL80211_ATTR_REG_RULES])
5176 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5178 if (info->attrs[NL80211_ATTR_DFS_REGION])
5179 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
5181 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5184 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
5188 if (!reg_is_valid_request(alpha2))
5191 size_of_regd = sizeof(struct ieee80211_regdomain) +
5192 num_rules * sizeof(struct ieee80211_reg_rule);
5194 rd = kzalloc(size_of_regd, GFP_KERNEL);
5198 rd->n_reg_rules = num_rules;
5199 rd->alpha2[0] = alpha2[0];
5200 rd->alpha2[1] = alpha2[1];
5203 * Disable DFS master mode if the DFS region was
5204 * not supported or known on this kernel.
5206 if (reg_supported_dfs_region(dfs_region))
5207 rd->dfs_region = dfs_region;
5209 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5211 r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
5212 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
5216 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
5222 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
5229 /* set_regdom took ownership */
5237 static int validate_scan_freqs(struct nlattr *freqs)
5239 struct nlattr *attr1, *attr2;
5240 int n_channels = 0, tmp1, tmp2;
5242 nla_for_each_nested(attr1, freqs, tmp1) {
5245 * Some hardware has a limited channel list for
5246 * scanning, and it is pretty much nonsensical
5247 * to scan for a channel twice, so disallow that
5248 * and don't require drivers to check that the
5249 * channel list they get isn't longer than what
5250 * they can scan, as long as they can scan all
5251 * the channels they registered at once.
5253 nla_for_each_nested(attr2, freqs, tmp2)
5254 if (attr1 != attr2 &&
5255 nla_get_u32(attr1) == nla_get_u32(attr2))
5262 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5264 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5265 struct wireless_dev *wdev = info->user_ptr[1];
5266 struct cfg80211_scan_request *request;
5267 struct nlattr *attr;
5268 struct wiphy *wiphy;
5269 int err, tmp, n_ssids = 0, n_channels, i;
5272 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5275 wiphy = &rdev->wiphy;
5277 if (!rdev->ops->scan)
5280 if (rdev->scan_req || rdev->scan_msg) {
5285 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5286 n_channels = validate_scan_freqs(
5287 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5293 n_channels = ieee80211_get_num_supported_channels(wiphy);
5296 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5297 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5300 if (n_ssids > wiphy->max_scan_ssids) {
5305 if (info->attrs[NL80211_ATTR_IE])
5306 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5310 if (ie_len > wiphy->max_scan_ie_len) {
5315 request = kzalloc(sizeof(*request)
5316 + sizeof(*request->ssids) * n_ssids
5317 + sizeof(*request->channels) * n_channels
5318 + ie_len, GFP_KERNEL);
5325 request->ssids = (void *)&request->channels[n_channels];
5326 request->n_ssids = n_ssids;
5329 request->ie = (void *)(request->ssids + n_ssids);
5331 request->ie = (void *)(request->channels + n_channels);
5335 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5336 /* user specified, bail out if channel not found */
5337 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
5338 struct ieee80211_channel *chan;
5340 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5347 /* ignore disabled channels */
5348 if (chan->flags & IEEE80211_CHAN_DISABLED)
5351 request->channels[i] = chan;
5355 enum ieee80211_band band;
5358 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5360 if (!wiphy->bands[band])
5362 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5363 struct ieee80211_channel *chan;
5365 chan = &wiphy->bands[band]->channels[j];
5367 if (chan->flags & IEEE80211_CHAN_DISABLED)
5370 request->channels[i] = chan;
5381 request->n_channels = i;
5384 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5385 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
5386 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5390 request->ssids[i].ssid_len = nla_len(attr);
5391 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
5396 if (info->attrs[NL80211_ATTR_IE]) {
5397 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5398 memcpy((void *)request->ie,
5399 nla_data(info->attrs[NL80211_ATTR_IE]),
5403 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
5404 if (wiphy->bands[i])
5406 (1 << wiphy->bands[i]->n_bitrates) - 1;
5408 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5409 nla_for_each_nested(attr,
5410 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5412 enum ieee80211_band band = nla_type(attr);
5414 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
5419 if (!wiphy->bands[band])
5422 err = ieee80211_get_ratemask(wiphy->bands[band],
5425 &request->rates[band]);
5431 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5432 request->flags = nla_get_u32(
5433 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5434 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5435 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
5442 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5444 request->wdev = wdev;
5445 request->wiphy = &rdev->wiphy;
5446 request->scan_start = jiffies;
5448 rdev->scan_req = request;
5449 err = rdev_scan(rdev, request);
5452 nl80211_send_scan_start(rdev, wdev);
5454 dev_hold(wdev->netdev);
5457 rdev->scan_req = NULL;
5465 static int nl80211_start_sched_scan(struct sk_buff *skb,
5466 struct genl_info *info)
5468 struct cfg80211_sched_scan_request *request;
5469 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5470 struct net_device *dev = info->user_ptr[1];
5471 struct nlattr *attr;
5472 struct wiphy *wiphy;
5473 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
5475 enum ieee80211_band band;
5477 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
5478 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
5480 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5481 !rdev->ops->sched_scan_start)
5484 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5487 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5490 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
5494 wiphy = &rdev->wiphy;
5496 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5497 n_channels = validate_scan_freqs(
5498 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5502 n_channels = ieee80211_get_num_supported_channels(wiphy);
5505 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5506 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5510 if (n_ssids > wiphy->max_sched_scan_ssids)
5514 * First, count the number of 'real' matchsets. Due to an issue with
5515 * the old implementation, matchsets containing only the RSSI attribute
5516 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5517 * RSSI for all matchsets, rather than their own matchset for reporting
5518 * all APs with a strong RSSI. This is needed to be compatible with
5519 * older userspace that treated a matchset with only the RSSI as the
5520 * global RSSI for all other matchsets - if there are other matchsets.
5522 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5523 nla_for_each_nested(attr,
5524 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5526 struct nlattr *rssi;
5528 err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5529 nla_data(attr), nla_len(attr),
5530 nl80211_match_policy);
5533 /* add other standalone attributes here */
5534 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
5538 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5540 default_match_rssi = nla_get_s32(rssi);
5544 /* However, if there's no other matchset, add the RSSI one */
5545 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
5548 if (n_match_sets > wiphy->max_match_sets)
5551 if (info->attrs[NL80211_ATTR_IE])
5552 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5556 if (ie_len > wiphy->max_sched_scan_ie_len)
5559 if (rdev->sched_scan_req) {
5564 request = kzalloc(sizeof(*request)
5565 + sizeof(*request->ssids) * n_ssids
5566 + sizeof(*request->match_sets) * n_match_sets
5567 + sizeof(*request->channels) * n_channels
5568 + ie_len, GFP_KERNEL);
5575 request->ssids = (void *)&request->channels[n_channels];
5576 request->n_ssids = n_ssids;
5579 request->ie = (void *)(request->ssids + n_ssids);
5581 request->ie = (void *)(request->channels + n_channels);
5586 request->match_sets = (void *)(request->ie + ie_len);
5587 else if (request->ssids)
5588 request->match_sets =
5589 (void *)(request->ssids + n_ssids);
5591 request->match_sets =
5592 (void *)(request->channels + n_channels);
5594 request->n_match_sets = n_match_sets;
5597 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5598 /* user specified, bail out if channel not found */
5599 nla_for_each_nested(attr,
5600 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
5602 struct ieee80211_channel *chan;
5604 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5611 /* ignore disabled channels */
5612 if (chan->flags & IEEE80211_CHAN_DISABLED)
5615 request->channels[i] = chan;
5620 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5622 if (!wiphy->bands[band])
5624 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5625 struct ieee80211_channel *chan;
5627 chan = &wiphy->bands[band]->channels[j];
5629 if (chan->flags & IEEE80211_CHAN_DISABLED)
5632 request->channels[i] = chan;
5643 request->n_channels = i;
5646 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5647 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5649 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5653 request->ssids[i].ssid_len = nla_len(attr);
5654 memcpy(request->ssids[i].ssid, nla_data(attr),
5661 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5662 nla_for_each_nested(attr,
5663 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5665 struct nlattr *ssid, *rssi;
5667 err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5668 nla_data(attr), nla_len(attr),
5669 nl80211_match_policy);
5672 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
5674 if (WARN_ON(i >= n_match_sets)) {
5675 /* this indicates a programming error,
5676 * the loop above should have verified
5683 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
5687 memcpy(request->match_sets[i].ssid.ssid,
5688 nla_data(ssid), nla_len(ssid));
5689 request->match_sets[i].ssid.ssid_len =
5691 /* special attribute - old implemenation w/a */
5692 request->match_sets[i].rssi_thold =
5694 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5696 request->match_sets[i].rssi_thold =
5702 /* there was no other matchset, so the RSSI one is alone */
5704 request->match_sets[0].rssi_thold = default_match_rssi;
5706 request->min_rssi_thold = INT_MAX;
5707 for (i = 0; i < n_match_sets; i++)
5708 request->min_rssi_thold =
5709 min(request->match_sets[i].rssi_thold,
5710 request->min_rssi_thold);
5712 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
5716 request->ie_len = ie_len;
5717 memcpy((void *)request->ie,
5718 nla_data(info->attrs[NL80211_ATTR_IE]),
5722 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5723 request->flags = nla_get_u32(
5724 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5725 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5726 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
5733 request->wiphy = &rdev->wiphy;
5734 request->interval = interval;
5735 request->scan_start = jiffies;
5737 err = rdev_sched_scan_start(rdev, dev, request);
5739 rdev->sched_scan_req = request;
5740 nl80211_send_sched_scan(rdev, dev,
5741 NL80211_CMD_START_SCHED_SCAN);
5751 static int nl80211_stop_sched_scan(struct sk_buff *skb,
5752 struct genl_info *info)
5754 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5756 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5757 !rdev->ops->sched_scan_stop)
5760 return __cfg80211_stop_sched_scan(rdev, false);
5763 static int nl80211_start_radar_detection(struct sk_buff *skb,
5764 struct genl_info *info)
5766 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5767 struct net_device *dev = info->user_ptr[1];
5768 struct wireless_dev *wdev = dev->ieee80211_ptr;
5769 struct cfg80211_chan_def chandef;
5770 enum nl80211_dfs_regions dfs_region;
5773 dfs_region = reg_get_dfs_region(wdev->wiphy);
5774 if (dfs_region == NL80211_DFS_UNSET)
5777 err = nl80211_parse_chandef(rdev, info, &chandef);
5781 if (netif_carrier_ok(dev))
5784 if (wdev->cac_started)
5787 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
5794 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
5797 if (!rdev->ops->start_radar_detection)
5800 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5801 chandef.chan, CHAN_MODE_SHARED,
5802 BIT(chandef.width));
5806 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
5808 wdev->chandef = chandef;
5809 wdev->cac_started = true;
5810 wdev->cac_start_time = jiffies;
5815 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
5817 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5818 struct net_device *dev = info->user_ptr[1];
5819 struct wireless_dev *wdev = dev->ieee80211_ptr;
5820 struct cfg80211_csa_settings params;
5821 /* csa_attrs is defined static to avoid waste of stack size - this
5822 * function is called under RTNL lock, so this should not be a problem.
5824 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
5825 u8 radar_detect_width = 0;
5827 bool need_new_beacon = false;
5829 if (!rdev->ops->channel_switch ||
5830 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
5833 switch (dev->ieee80211_ptr->iftype) {
5834 case NL80211_IFTYPE_AP:
5835 case NL80211_IFTYPE_P2P_GO:
5836 need_new_beacon = true;
5838 /* useless if AP is not running */
5839 if (!wdev->beacon_interval)
5842 case NL80211_IFTYPE_ADHOC:
5843 if (!wdev->ssid_len)
5846 case NL80211_IFTYPE_MESH_POINT:
5847 if (!wdev->mesh_id_len)
5854 memset(¶ms, 0, sizeof(params));
5856 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
5857 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
5860 /* only important for AP, IBSS and mesh create IEs internally */
5861 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
5864 params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
5866 if (!need_new_beacon)
5869 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
5873 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
5874 info->attrs[NL80211_ATTR_CSA_IES],
5879 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
5883 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
5886 params.counter_offset_beacon =
5887 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
5888 if (params.counter_offset_beacon >= params.beacon_csa.tail_len)
5891 /* sanity check - counters should be the same */
5892 if (params.beacon_csa.tail[params.counter_offset_beacon] !=
5896 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
5897 params.counter_offset_presp =
5898 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
5899 if (params.counter_offset_presp >=
5900 params.beacon_csa.probe_resp_len)
5903 if (params.beacon_csa.probe_resp[params.counter_offset_presp] !=
5909 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5913 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
5916 if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
5917 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO ||
5918 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) {
5919 err = cfg80211_chandef_dfs_required(wdev->wiphy,
5924 radar_detect_width = BIT(params.chandef.width);
5925 params.radar_required = true;
5929 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5930 params.chandef.chan,
5932 radar_detect_width);
5936 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
5937 params.block_tx = true;
5940 err = rdev_channel_switch(rdev, dev, ¶ms);
5946 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5948 struct cfg80211_registered_device *rdev,
5949 struct wireless_dev *wdev,
5950 struct cfg80211_internal_bss *intbss)
5952 struct cfg80211_bss *res = &intbss->pub;
5953 const struct cfg80211_bss_ies *ies;
5958 ASSERT_WDEV_LOCK(wdev);
5960 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5961 NL80211_CMD_NEW_SCAN_RESULTS);
5965 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5967 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
5968 goto nla_put_failure;
5970 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5971 goto nla_put_failure;
5972 if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
5973 goto nla_put_failure;
5975 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5977 goto nla_put_failure;
5978 if ((!is_zero_ether_addr(res->bssid) &&
5979 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5980 goto nla_put_failure;
5983 ies = rcu_dereference(res->ies);
5985 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5986 goto fail_unlock_rcu;
5988 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5989 ies->len, ies->data))
5990 goto fail_unlock_rcu;
5992 ies = rcu_dereference(res->beacon_ies);
5994 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5995 goto fail_unlock_rcu;
5996 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
5997 ies->len, ies->data))
5998 goto fail_unlock_rcu;
6002 if (res->beacon_interval &&
6003 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
6004 goto nla_put_failure;
6005 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
6006 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
6007 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
6008 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
6009 jiffies_to_msecs(jiffies - intbss->ts)))
6010 goto nla_put_failure;
6012 switch (rdev->wiphy.signal_type) {
6013 case CFG80211_SIGNAL_TYPE_MBM:
6014 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
6015 goto nla_put_failure;
6017 case CFG80211_SIGNAL_TYPE_UNSPEC:
6018 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
6019 goto nla_put_failure;
6025 switch (wdev->iftype) {
6026 case NL80211_IFTYPE_P2P_CLIENT:
6027 case NL80211_IFTYPE_STATION:
6028 if (intbss == wdev->current_bss &&
6029 nla_put_u32(msg, NL80211_BSS_STATUS,
6030 NL80211_BSS_STATUS_ASSOCIATED))
6031 goto nla_put_failure;
6033 case NL80211_IFTYPE_ADHOC:
6034 if (intbss == wdev->current_bss &&
6035 nla_put_u32(msg, NL80211_BSS_STATUS,
6036 NL80211_BSS_STATUS_IBSS_JOINED))
6037 goto nla_put_failure;
6043 nla_nest_end(msg, bss);
6045 return genlmsg_end(msg, hdr);
6050 genlmsg_cancel(msg, hdr);
6054 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
6056 struct cfg80211_registered_device *rdev;
6057 struct cfg80211_internal_bss *scan;
6058 struct wireless_dev *wdev;
6059 int start = cb->args[2], idx = 0;
6062 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
6067 spin_lock_bh(&rdev->bss_lock);
6068 cfg80211_bss_expire(rdev);
6070 cb->seq = rdev->bss_generation;
6072 list_for_each_entry(scan, &rdev->bss_list, list) {
6075 if (nl80211_send_bss(skb, cb,
6076 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6077 rdev, wdev, scan) < 0) {
6083 spin_unlock_bh(&rdev->bss_lock);
6087 nl80211_finish_wdev_dump(rdev);
6092 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
6093 int flags, struct net_device *dev,
6094 struct survey_info *survey)
6097 struct nlattr *infoattr;
6099 hdr = nl80211hdr_put(msg, portid, seq, flags,
6100 NL80211_CMD_NEW_SURVEY_RESULTS);
6104 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
6105 goto nla_put_failure;
6107 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
6109 goto nla_put_failure;
6111 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
6112 survey->channel->center_freq))
6113 goto nla_put_failure;
6115 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
6116 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
6117 goto nla_put_failure;
6118 if ((survey->filled & SURVEY_INFO_IN_USE) &&
6119 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
6120 goto nla_put_failure;
6121 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
6122 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
6123 survey->channel_time))
6124 goto nla_put_failure;
6125 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
6126 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
6127 survey->channel_time_busy))
6128 goto nla_put_failure;
6129 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
6130 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
6131 survey->channel_time_ext_busy))
6132 goto nla_put_failure;
6133 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
6134 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
6135 survey->channel_time_rx))
6136 goto nla_put_failure;
6137 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
6138 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
6139 survey->channel_time_tx))
6140 goto nla_put_failure;
6142 nla_nest_end(msg, infoattr);
6144 return genlmsg_end(msg, hdr);
6147 genlmsg_cancel(msg, hdr);
6151 static int nl80211_dump_survey(struct sk_buff *skb,
6152 struct netlink_callback *cb)
6154 struct survey_info survey;
6155 struct cfg80211_registered_device *dev;
6156 struct wireless_dev *wdev;
6157 int survey_idx = cb->args[2];
6160 res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
6164 if (!wdev->netdev) {
6169 if (!dev->ops->dump_survey) {
6175 struct ieee80211_channel *chan;
6177 res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey);
6183 /* Survey without a channel doesn't make sense */
6184 if (!survey.channel) {
6189 chan = ieee80211_get_channel(&dev->wiphy,
6190 survey.channel->center_freq);
6191 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
6196 if (nl80211_send_survey(skb,
6197 NETLINK_CB(cb->skb).portid,
6198 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6199 wdev->netdev, &survey) < 0)
6205 cb->args[2] = survey_idx;
6208 nl80211_finish_wdev_dump(dev);
6212 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
6214 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
6215 NL80211_WPA_VERSION_2));
6218 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
6220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6221 struct net_device *dev = info->user_ptr[1];
6222 struct ieee80211_channel *chan;
6223 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
6224 int err, ssid_len, ie_len = 0, sae_data_len = 0;
6225 enum nl80211_auth_type auth_type;
6226 struct key_parse key;
6227 bool local_state_change;
6229 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6232 if (!info->attrs[NL80211_ATTR_MAC])
6235 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
6238 if (!info->attrs[NL80211_ATTR_SSID])
6241 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
6244 err = nl80211_parse_key(info, &key);
6249 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
6251 if (!key.p.key || !key.p.key_len)
6253 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
6254 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
6255 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
6256 key.p.key_len != WLAN_KEY_LEN_WEP104))
6268 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
6269 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
6278 if (!rdev->ops->auth)
6281 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6282 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6285 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6286 chan = nl80211_get_valid_chan(&rdev->wiphy,
6287 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6291 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6292 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6294 if (info->attrs[NL80211_ATTR_IE]) {
6295 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6296 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6299 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6300 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
6303 if (auth_type == NL80211_AUTHTYPE_SAE &&
6304 !info->attrs[NL80211_ATTR_SAE_DATA])
6307 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
6308 if (auth_type != NL80211_AUTHTYPE_SAE)
6310 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
6311 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
6312 /* need to include at least Auth Transaction and Status Code */
6313 if (sae_data_len < 4)
6317 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6320 * Since we no longer track auth state, ignore
6321 * requests to only change local state.
6323 if (local_state_change)
6326 wdev_lock(dev->ieee80211_ptr);
6327 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
6328 ssid, ssid_len, ie, ie_len,
6329 key.p.key, key.p.key_len, key.idx,
6330 sae_data, sae_data_len);
6331 wdev_unlock(dev->ieee80211_ptr);
6335 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
6336 struct genl_info *info,
6337 struct cfg80211_crypto_settings *settings,
6340 memset(settings, 0, sizeof(*settings));
6342 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
6344 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
6346 proto = nla_get_u16(
6347 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
6348 settings->control_port_ethertype = cpu_to_be16(proto);
6349 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
6352 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
6353 settings->control_port_no_encrypt = true;
6355 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
6357 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
6361 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6362 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6363 settings->n_ciphers_pairwise = len / sizeof(u32);
6365 if (len % sizeof(u32))
6368 if (settings->n_ciphers_pairwise > cipher_limit)
6371 memcpy(settings->ciphers_pairwise, data, len);
6373 for (i = 0; i < settings->n_ciphers_pairwise; i++)
6374 if (!cfg80211_supported_cipher_suite(
6376 settings->ciphers_pairwise[i]))
6380 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
6381 settings->cipher_group =
6382 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
6383 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
6384 settings->cipher_group))
6388 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
6389 settings->wpa_versions =
6390 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
6391 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
6395 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
6399 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
6400 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
6401 settings->n_akm_suites = len / sizeof(u32);
6403 if (len % sizeof(u32))
6406 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6409 memcpy(settings->akm_suites, data, len);
6415 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6417 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6418 struct net_device *dev = info->user_ptr[1];
6419 struct ieee80211_channel *chan;
6420 struct cfg80211_assoc_request req = {};
6421 const u8 *bssid, *ssid;
6422 int err, ssid_len = 0;
6424 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6427 if (!info->attrs[NL80211_ATTR_MAC] ||
6428 !info->attrs[NL80211_ATTR_SSID] ||
6429 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6432 if (!rdev->ops->assoc)
6435 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6436 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6439 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6441 chan = nl80211_get_valid_chan(&rdev->wiphy,
6442 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6446 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6447 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6449 if (info->attrs[NL80211_ATTR_IE]) {
6450 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6451 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6454 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6455 enum nl80211_mfp mfp =
6456 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6457 if (mfp == NL80211_MFP_REQUIRED)
6459 else if (mfp != NL80211_MFP_NO)
6463 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6464 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6466 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6467 req.flags |= ASSOC_REQ_DISABLE_HT;
6469 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6470 memcpy(&req.ht_capa_mask,
6471 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6472 sizeof(req.ht_capa_mask));
6474 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6475 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6477 memcpy(&req.ht_capa,
6478 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6479 sizeof(req.ht_capa));
6482 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6483 req.flags |= ASSOC_REQ_DISABLE_VHT;
6485 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6486 memcpy(&req.vht_capa_mask,
6487 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6488 sizeof(req.vht_capa_mask));
6490 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6491 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6493 memcpy(&req.vht_capa,
6494 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6495 sizeof(req.vht_capa));
6498 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6500 wdev_lock(dev->ieee80211_ptr);
6501 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6502 ssid, ssid_len, &req);
6503 wdev_unlock(dev->ieee80211_ptr);
6509 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6511 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6512 struct net_device *dev = info->user_ptr[1];
6513 const u8 *ie = NULL, *bssid;
6514 int ie_len = 0, err;
6516 bool local_state_change;
6518 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6521 if (!info->attrs[NL80211_ATTR_MAC])
6524 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6527 if (!rdev->ops->deauth)
6530 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6531 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6534 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6536 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6537 if (reason_code == 0) {
6538 /* Reason Code 0 is reserved */
6542 if (info->attrs[NL80211_ATTR_IE]) {
6543 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6544 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6547 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6549 wdev_lock(dev->ieee80211_ptr);
6550 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6551 local_state_change);
6552 wdev_unlock(dev->ieee80211_ptr);
6556 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6558 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6559 struct net_device *dev = info->user_ptr[1];
6560 const u8 *ie = NULL, *bssid;
6561 int ie_len = 0, err;
6563 bool local_state_change;
6565 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6568 if (!info->attrs[NL80211_ATTR_MAC])
6571 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6574 if (!rdev->ops->disassoc)
6577 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6578 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6581 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6583 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6584 if (reason_code == 0) {
6585 /* Reason Code 0 is reserved */
6589 if (info->attrs[NL80211_ATTR_IE]) {
6590 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6591 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6594 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6596 wdev_lock(dev->ieee80211_ptr);
6597 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6598 local_state_change);
6599 wdev_unlock(dev->ieee80211_ptr);
6604 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6605 int mcast_rate[IEEE80211_NUM_BANDS],
6608 struct wiphy *wiphy = &rdev->wiphy;
6612 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6613 struct ieee80211_supported_band *sband;
6615 sband = wiphy->bands[band];
6619 for (i = 0; i < sband->n_bitrates; i++) {
6620 if (sband->bitrates[i].bitrate == rateval) {
6621 mcast_rate[band] = i + 1;
6631 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6633 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6634 struct net_device *dev = info->user_ptr[1];
6635 struct cfg80211_ibss_params ibss;
6636 struct wiphy *wiphy;
6637 struct cfg80211_cached_keys *connkeys = NULL;
6640 memset(&ibss, 0, sizeof(ibss));
6642 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6645 if (!info->attrs[NL80211_ATTR_SSID] ||
6646 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6649 ibss.beacon_interval = 100;
6651 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6652 ibss.beacon_interval =
6653 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6654 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6658 if (!rdev->ops->join_ibss)
6661 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6664 wiphy = &rdev->wiphy;
6666 if (info->attrs[NL80211_ATTR_MAC]) {
6667 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6669 if (!is_valid_ether_addr(ibss.bssid))
6672 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6673 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6675 if (info->attrs[NL80211_ATTR_IE]) {
6676 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6677 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6680 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6684 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6687 switch (ibss.chandef.width) {
6688 case NL80211_CHAN_WIDTH_5:
6689 case NL80211_CHAN_WIDTH_10:
6690 case NL80211_CHAN_WIDTH_20_NOHT:
6692 case NL80211_CHAN_WIDTH_20:
6693 case NL80211_CHAN_WIDTH_40:
6694 if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
6700 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6701 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6703 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6705 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6707 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6708 struct ieee80211_supported_band *sband =
6709 wiphy->bands[ibss.chandef.chan->band];
6711 err = ieee80211_get_ratemask(sband, rates, n_rates,
6717 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6718 memcpy(&ibss.ht_capa_mask,
6719 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6720 sizeof(ibss.ht_capa_mask));
6722 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6723 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6725 memcpy(&ibss.ht_capa,
6726 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6727 sizeof(ibss.ht_capa));
6730 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6731 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6732 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6735 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6738 connkeys = nl80211_parse_connkeys(rdev,
6739 info->attrs[NL80211_ATTR_KEYS],
6741 if (IS_ERR(connkeys))
6742 return PTR_ERR(connkeys);
6744 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6752 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6754 ibss.userspace_handles_dfs =
6755 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
6757 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6763 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6766 struct net_device *dev = info->user_ptr[1];
6768 if (!rdev->ops->leave_ibss)
6771 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6774 return cfg80211_leave_ibss(rdev, dev, false);
6777 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6779 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6780 struct net_device *dev = info->user_ptr[1];
6781 int mcast_rate[IEEE80211_NUM_BANDS];
6785 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6786 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6789 if (!rdev->ops->set_mcast_rate)
6792 memset(mcast_rate, 0, sizeof(mcast_rate));
6794 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6797 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6798 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6801 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6806 static struct sk_buff *
6807 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6808 int approxlen, u32 portid, u32 seq,
6809 enum nl80211_commands cmd,
6810 enum nl80211_attrs attr,
6811 const struct nl80211_vendor_cmd_info *info,
6814 struct sk_buff *skb;
6816 struct nlattr *data;
6818 skb = nlmsg_new(approxlen + 100, gfp);
6822 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
6828 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6829 goto nla_put_failure;
6832 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
6834 goto nla_put_failure;
6835 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
6837 goto nla_put_failure;
6840 data = nla_nest_start(skb, attr);
6842 ((void **)skb->cb)[0] = rdev;
6843 ((void **)skb->cb)[1] = hdr;
6844 ((void **)skb->cb)[2] = data;
6853 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6854 enum nl80211_commands cmd,
6855 enum nl80211_attrs attr,
6856 int vendor_event_idx,
6857 int approxlen, gfp_t gfp)
6859 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6860 const struct nl80211_vendor_cmd_info *info;
6863 case NL80211_CMD_TESTMODE:
6864 if (WARN_ON(vendor_event_idx != -1))
6868 case NL80211_CMD_VENDOR:
6869 if (WARN_ON(vendor_event_idx < 0 ||
6870 vendor_event_idx >= wiphy->n_vendor_events))
6872 info = &wiphy->vendor_events[vendor_event_idx];
6879 return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
6880 cmd, attr, info, gfp);
6882 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
6884 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
6886 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6887 void *hdr = ((void **)skb->cb)[1];
6888 struct nlattr *data = ((void **)skb->cb)[2];
6889 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
6891 nla_nest_end(skb, data);
6892 genlmsg_end(skb, hdr);
6894 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
6895 mcgrp = NL80211_MCGRP_VENDOR;
6897 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
6900 EXPORT_SYMBOL(__cfg80211_send_event_skb);
6902 #ifdef CONFIG_NL80211_TESTMODE
6903 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6905 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6906 struct wireless_dev *wdev =
6907 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
6910 if (!rdev->ops->testmode_cmd)
6914 err = PTR_ERR(wdev);
6918 } else if (wdev->wiphy != &rdev->wiphy) {
6922 if (!info->attrs[NL80211_ATTR_TESTDATA])
6925 rdev->cur_cmd_info = info;
6926 err = rdev_testmode_cmd(rdev, wdev,
6927 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6928 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6929 rdev->cur_cmd_info = NULL;
6934 static int nl80211_testmode_dump(struct sk_buff *skb,
6935 struct netlink_callback *cb)
6937 struct cfg80211_registered_device *rdev;
6947 * 0 is a valid index, but not valid for args[0],
6948 * so we need to offset by 1.
6950 phy_idx = cb->args[0] - 1;
6952 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6953 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6958 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6959 nl80211_fam.attrbuf);
6961 err = PTR_ERR(rdev);
6964 phy_idx = rdev->wiphy_idx;
6967 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6969 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6973 data = nla_data((void *)cb->args[1]);
6974 data_len = nla_len((void *)cb->args[1]);
6977 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6983 if (!rdev->ops->testmode_dump) {
6989 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6990 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6991 NL80211_CMD_TESTMODE);
6992 struct nlattr *tmdata;
6997 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
6998 genlmsg_cancel(skb, hdr);
7002 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
7004 genlmsg_cancel(skb, hdr);
7007 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
7008 nla_nest_end(skb, tmdata);
7010 if (err == -ENOBUFS || err == -ENOENT) {
7011 genlmsg_cancel(skb, hdr);
7014 genlmsg_cancel(skb, hdr);
7018 genlmsg_end(skb, hdr);
7023 cb->args[0] = phy_idx + 1;
7030 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
7032 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7033 struct net_device *dev = info->user_ptr[1];
7034 struct cfg80211_connect_params connect;
7035 struct wiphy *wiphy;
7036 struct cfg80211_cached_keys *connkeys = NULL;
7039 memset(&connect, 0, sizeof(connect));
7041 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7044 if (!info->attrs[NL80211_ATTR_SSID] ||
7045 !nla_len(info->attrs[NL80211_ATTR_SSID]))
7048 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
7050 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
7051 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
7052 NL80211_CMD_CONNECT))
7055 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
7057 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
7059 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
7060 NL80211_MAX_NR_CIPHER_SUITES);
7064 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7065 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7068 wiphy = &rdev->wiphy;
7070 connect.bg_scan_period = -1;
7071 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
7072 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
7073 connect.bg_scan_period =
7074 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
7077 if (info->attrs[NL80211_ATTR_MAC])
7078 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7079 else if (info->attrs[NL80211_ATTR_MAC_HINT])
7080 connect.bssid_hint =
7081 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
7082 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7083 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7085 if (info->attrs[NL80211_ATTR_IE]) {
7086 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7087 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7090 if (info->attrs[NL80211_ATTR_USE_MFP]) {
7091 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
7092 if (connect.mfp != NL80211_MFP_REQUIRED &&
7093 connect.mfp != NL80211_MFP_NO)
7096 connect.mfp = NL80211_MFP_NO;
7099 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7100 connect.channel = nl80211_get_valid_chan(
7101 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7102 if (!connect.channel)
7104 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
7105 connect.channel_hint = nl80211_get_valid_chan(
7106 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
7107 if (!connect.channel_hint)
7111 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
7112 connkeys = nl80211_parse_connkeys(rdev,
7113 info->attrs[NL80211_ATTR_KEYS], NULL);
7114 if (IS_ERR(connkeys))
7115 return PTR_ERR(connkeys);
7118 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
7119 connect.flags |= ASSOC_REQ_DISABLE_HT;
7121 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7122 memcpy(&connect.ht_capa_mask,
7123 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7124 sizeof(connect.ht_capa_mask));
7126 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
7127 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
7131 memcpy(&connect.ht_capa,
7132 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7133 sizeof(connect.ht_capa));
7136 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
7137 connect.flags |= ASSOC_REQ_DISABLE_VHT;
7139 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
7140 memcpy(&connect.vht_capa_mask,
7141 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
7142 sizeof(connect.vht_capa_mask));
7144 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
7145 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
7149 memcpy(&connect.vht_capa,
7150 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
7151 sizeof(connect.vht_capa));
7154 wdev_lock(dev->ieee80211_ptr);
7155 err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
7156 wdev_unlock(dev->ieee80211_ptr);
7162 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
7164 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7165 struct net_device *dev = info->user_ptr[1];
7169 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7170 reason = WLAN_REASON_DEAUTH_LEAVING;
7172 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7177 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7178 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7181 wdev_lock(dev->ieee80211_ptr);
7182 ret = cfg80211_disconnect(rdev, dev, reason, true);
7183 wdev_unlock(dev->ieee80211_ptr);
7187 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
7189 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7194 if (!info->attrs[NL80211_ATTR_PID])
7197 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
7199 net = get_net_ns_by_pid(pid);
7201 return PTR_ERR(net);
7205 /* check if anything to do */
7206 if (!net_eq(wiphy_net(&rdev->wiphy), net))
7207 err = cfg80211_switch_netns(rdev, net);
7213 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
7215 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7216 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
7217 struct cfg80211_pmksa *pmksa) = NULL;
7218 struct net_device *dev = info->user_ptr[1];
7219 struct cfg80211_pmksa pmksa;
7221 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
7223 if (!info->attrs[NL80211_ATTR_MAC])
7226 if (!info->attrs[NL80211_ATTR_PMKID])
7229 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
7230 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7232 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7233 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7236 switch (info->genlhdr->cmd) {
7237 case NL80211_CMD_SET_PMKSA:
7238 rdev_ops = rdev->ops->set_pmksa;
7240 case NL80211_CMD_DEL_PMKSA:
7241 rdev_ops = rdev->ops->del_pmksa;
7251 return rdev_ops(&rdev->wiphy, dev, &pmksa);
7254 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
7256 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7257 struct net_device *dev = info->user_ptr[1];
7259 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7260 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7263 if (!rdev->ops->flush_pmksa)
7266 return rdev_flush_pmksa(rdev, dev);
7269 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
7271 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7272 struct net_device *dev = info->user_ptr[1];
7273 u8 action_code, dialog_token;
7274 u32 peer_capability = 0;
7278 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7279 !rdev->ops->tdls_mgmt)
7282 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
7283 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
7284 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
7285 !info->attrs[NL80211_ATTR_IE] ||
7286 !info->attrs[NL80211_ATTR_MAC])
7289 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7290 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
7291 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
7292 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
7293 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
7295 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
7297 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
7298 dialog_token, status_code, peer_capability,
7299 nla_data(info->attrs[NL80211_ATTR_IE]),
7300 nla_len(info->attrs[NL80211_ATTR_IE]));
7303 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
7305 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7306 struct net_device *dev = info->user_ptr[1];
7307 enum nl80211_tdls_operation operation;
7310 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7311 !rdev->ops->tdls_oper)
7314 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
7315 !info->attrs[NL80211_ATTR_MAC])
7318 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
7319 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7321 return rdev_tdls_oper(rdev, dev, peer, operation);
7324 static int nl80211_remain_on_channel(struct sk_buff *skb,
7325 struct genl_info *info)
7327 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7328 struct wireless_dev *wdev = info->user_ptr[1];
7329 struct cfg80211_chan_def chandef;
7330 struct sk_buff *msg;
7336 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7337 !info->attrs[NL80211_ATTR_DURATION])
7340 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7342 if (!rdev->ops->remain_on_channel ||
7343 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
7347 * We should be on that channel for at least a minimum amount of
7348 * time (10ms) but no longer than the driver supports.
7350 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7351 duration > rdev->wiphy.max_remain_on_channel_duration)
7354 err = nl80211_parse_chandef(rdev, info, &chandef);
7358 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7362 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7363 NL80211_CMD_REMAIN_ON_CHANNEL);
7369 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
7375 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7376 goto nla_put_failure;
7378 genlmsg_end(msg, hdr);
7380 return genlmsg_reply(msg, info);
7389 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
7390 struct genl_info *info)
7392 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7393 struct wireless_dev *wdev = info->user_ptr[1];
7396 if (!info->attrs[NL80211_ATTR_COOKIE])
7399 if (!rdev->ops->cancel_remain_on_channel)
7402 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7404 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
7407 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
7408 u8 *rates, u8 rates_len)
7413 for (i = 0; i < rates_len; i++) {
7414 int rate = (rates[i] & 0x7f) * 5;
7416 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
7417 struct ieee80211_rate *srate =
7418 &sband->bitrates[ridx];
7419 if (rate == srate->bitrate) {
7424 if (ridx == sband->n_bitrates)
7425 return 0; /* rate not found */
7431 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
7432 u8 *rates, u8 rates_len,
7433 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
7437 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
7439 for (i = 0; i < rates_len; i++) {
7442 ridx = rates[i] / 8;
7443 rbit = BIT(rates[i] % 8);
7445 /* check validity */
7446 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
7449 /* check availability */
7450 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
7459 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
7463 switch (vht_mcs_map) {
7464 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
7466 case IEEE80211_VHT_MCS_SUPPORT_0_7:
7469 case IEEE80211_VHT_MCS_SUPPORT_0_8:
7472 case IEEE80211_VHT_MCS_SUPPORT_0_9:
7482 static void vht_build_mcs_mask(u16 vht_mcs_map,
7483 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
7487 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
7488 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
7493 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
7494 struct nl80211_txrate_vht *txrate,
7495 u16 mcs[NL80211_VHT_NSS_MAX])
7497 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
7498 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
7501 if (!sband->vht_cap.vht_supported)
7504 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
7506 /* Build vht_mcs_mask from VHT capabilities */
7507 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
7509 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
7510 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
7511 mcs[i] = txrate->mcs[i];
7519 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
7520 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
7521 .len = NL80211_MAX_SUPP_RATES },
7522 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
7523 .len = NL80211_MAX_SUPP_HT_RATES },
7524 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
7525 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
7528 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
7529 struct genl_info *info)
7531 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
7532 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7533 struct cfg80211_bitrate_mask mask;
7535 struct net_device *dev = info->user_ptr[1];
7536 struct nlattr *tx_rates;
7537 struct ieee80211_supported_band *sband;
7540 if (!rdev->ops->set_bitrate_mask)
7543 memset(&mask, 0, sizeof(mask));
7544 /* Default to all rates enabled */
7545 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7546 sband = rdev->wiphy.bands[i];
7551 mask.control[i].legacy = (1 << sband->n_bitrates) - 1;
7552 memcpy(mask.control[i].ht_mcs,
7553 sband->ht_cap.mcs.rx_mask,
7554 sizeof(mask.control[i].ht_mcs));
7556 if (!sband->vht_cap.vht_supported)
7559 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
7560 vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs);
7563 /* if no rates are given set it back to the defaults */
7564 if (!info->attrs[NL80211_ATTR_TX_RATES])
7568 * The nested attribute uses enum nl80211_band as the index. This maps
7569 * directly to the enum ieee80211_band values used in cfg80211.
7571 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7572 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
7573 enum ieee80211_band band = nla_type(tx_rates);
7576 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7578 sband = rdev->wiphy.bands[band];
7581 err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7582 nla_len(tx_rates), nl80211_txattr_policy);
7585 if (tb[NL80211_TXRATE_LEGACY]) {
7586 mask.control[band].legacy = rateset_to_mask(
7588 nla_data(tb[NL80211_TXRATE_LEGACY]),
7589 nla_len(tb[NL80211_TXRATE_LEGACY]));
7590 if ((mask.control[band].legacy == 0) &&
7591 nla_len(tb[NL80211_TXRATE_LEGACY]))
7594 if (tb[NL80211_TXRATE_HT]) {
7595 if (!ht_rateset_to_mask(
7597 nla_data(tb[NL80211_TXRATE_HT]),
7598 nla_len(tb[NL80211_TXRATE_HT]),
7599 mask.control[band].ht_mcs))
7602 if (tb[NL80211_TXRATE_VHT]) {
7603 if (!vht_set_mcs_mask(
7605 nla_data(tb[NL80211_TXRATE_VHT]),
7606 mask.control[band].vht_mcs))
7609 if (tb[NL80211_TXRATE_GI]) {
7610 mask.control[band].gi =
7611 nla_get_u8(tb[NL80211_TXRATE_GI]);
7612 if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI)
7616 if (mask.control[band].legacy == 0) {
7617 /* don't allow empty legacy rates if HT or VHT
7618 * are not even supported.
7620 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
7621 rdev->wiphy.bands[band]->vht_cap.vht_supported))
7624 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7625 if (mask.control[band].ht_mcs[i])
7628 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
7629 if (mask.control[band].vht_mcs[i])
7632 /* legacy and mcs rates may not be both empty */
7638 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7641 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7643 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7644 struct wireless_dev *wdev = info->user_ptr[1];
7645 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7647 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7650 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7651 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7653 switch (wdev->iftype) {
7654 case NL80211_IFTYPE_STATION:
7655 case NL80211_IFTYPE_ADHOC:
7656 case NL80211_IFTYPE_P2P_CLIENT:
7657 case NL80211_IFTYPE_AP:
7658 case NL80211_IFTYPE_AP_VLAN:
7659 case NL80211_IFTYPE_MESH_POINT:
7660 case NL80211_IFTYPE_P2P_GO:
7661 case NL80211_IFTYPE_P2P_DEVICE:
7667 /* not much point in registering if we can't reply */
7668 if (!rdev->ops->mgmt_tx)
7671 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7672 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7673 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7676 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7678 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7679 struct wireless_dev *wdev = info->user_ptr[1];
7680 struct cfg80211_chan_def chandef;
7684 struct sk_buff *msg = NULL;
7685 struct cfg80211_mgmt_tx_params params = {
7686 .dont_wait_for_ack =
7687 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
7690 if (!info->attrs[NL80211_ATTR_FRAME])
7693 if (!rdev->ops->mgmt_tx)
7696 switch (wdev->iftype) {
7697 case NL80211_IFTYPE_P2P_DEVICE:
7698 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7700 case NL80211_IFTYPE_STATION:
7701 case NL80211_IFTYPE_ADHOC:
7702 case NL80211_IFTYPE_P2P_CLIENT:
7703 case NL80211_IFTYPE_AP:
7704 case NL80211_IFTYPE_AP_VLAN:
7705 case NL80211_IFTYPE_MESH_POINT:
7706 case NL80211_IFTYPE_P2P_GO:
7712 if (info->attrs[NL80211_ATTR_DURATION]) {
7713 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7715 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7718 * We should wait on the channel for at least a minimum amount
7719 * of time (10ms) but no longer than the driver supports.
7721 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7722 params.wait > rdev->wiphy.max_remain_on_channel_duration)
7727 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7729 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7732 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7734 /* get the channel if any has been specified, otherwise pass NULL to
7735 * the driver. The latter will use the current one
7737 chandef.chan = NULL;
7738 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7739 err = nl80211_parse_chandef(rdev, info, &chandef);
7744 if (!chandef.chan && params.offchan)
7747 if (!params.dont_wait_for_ack) {
7748 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7752 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7760 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
7761 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
7762 params.chan = chandef.chan;
7763 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
7768 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7769 goto nla_put_failure;
7771 genlmsg_end(msg, hdr);
7772 return genlmsg_reply(msg, info);
7784 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7786 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7787 struct wireless_dev *wdev = info->user_ptr[1];
7790 if (!info->attrs[NL80211_ATTR_COOKIE])
7793 if (!rdev->ops->mgmt_tx_cancel_wait)
7796 switch (wdev->iftype) {
7797 case NL80211_IFTYPE_STATION:
7798 case NL80211_IFTYPE_ADHOC:
7799 case NL80211_IFTYPE_P2P_CLIENT:
7800 case NL80211_IFTYPE_AP:
7801 case NL80211_IFTYPE_AP_VLAN:
7802 case NL80211_IFTYPE_P2P_GO:
7803 case NL80211_IFTYPE_P2P_DEVICE:
7809 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7811 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7814 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7816 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7817 struct wireless_dev *wdev;
7818 struct net_device *dev = info->user_ptr[1];
7823 if (!info->attrs[NL80211_ATTR_PS_STATE])
7826 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7828 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7831 wdev = dev->ieee80211_ptr;
7833 if (!rdev->ops->set_power_mgmt)
7836 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7838 if (state == wdev->ps)
7841 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7847 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7849 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7850 enum nl80211_ps_state ps_state;
7851 struct wireless_dev *wdev;
7852 struct net_device *dev = info->user_ptr[1];
7853 struct sk_buff *msg;
7857 wdev = dev->ieee80211_ptr;
7859 if (!rdev->ops->set_power_mgmt)
7862 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7866 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7867 NL80211_CMD_GET_POWER_SAVE);
7874 ps_state = NL80211_PS_ENABLED;
7876 ps_state = NL80211_PS_DISABLED;
7878 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7879 goto nla_put_failure;
7881 genlmsg_end(msg, hdr);
7882 return genlmsg_reply(msg, info);
7891 static const struct nla_policy
7892 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
7893 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7894 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7895 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7896 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7897 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7898 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7901 static int nl80211_set_cqm_txe(struct genl_info *info,
7902 u32 rate, u32 pkts, u32 intvl)
7904 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7905 struct net_device *dev = info->user_ptr[1];
7906 struct wireless_dev *wdev = dev->ieee80211_ptr;
7908 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7911 if (!rdev->ops->set_cqm_txe_config)
7914 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7915 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7918 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7921 static int nl80211_set_cqm_rssi(struct genl_info *info,
7922 s32 threshold, u32 hysteresis)
7924 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7925 struct net_device *dev = info->user_ptr[1];
7926 struct wireless_dev *wdev = dev->ieee80211_ptr;
7931 /* disabling - hysteresis should also be zero then */
7935 if (!rdev->ops->set_cqm_rssi_config)
7938 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7939 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7942 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7945 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7947 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7951 cqm = info->attrs[NL80211_ATTR_CQM];
7955 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7956 nl80211_attr_cqm_policy);
7960 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7961 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7962 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7963 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7965 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
7968 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7969 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7970 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7971 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7972 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7973 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7975 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
7981 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7983 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7984 struct net_device *dev = info->user_ptr[1];
7985 struct mesh_config cfg;
7986 struct mesh_setup setup;
7989 /* start with default */
7990 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7991 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7993 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7994 /* and parse parameters if given */
7995 err = nl80211_parse_mesh_config(info, &cfg, NULL);
8000 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
8001 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
8004 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
8005 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
8007 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8008 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
8009 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8012 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
8013 setup.beacon_interval =
8014 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8015 if (setup.beacon_interval < 10 ||
8016 setup.beacon_interval > 10000)
8020 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
8022 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
8023 if (setup.dtim_period < 1 || setup.dtim_period > 100)
8027 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
8028 /* parse additional setup parameters if given */
8029 err = nl80211_parse_mesh_setup(info, &setup);
8035 cfg.auto_open_plinks = false;
8037 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8038 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
8042 /* cfg80211_join_mesh() will sort it out */
8043 setup.chandef.chan = NULL;
8046 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8047 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8049 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8050 struct ieee80211_supported_band *sband;
8052 if (!setup.chandef.chan)
8055 sband = rdev->wiphy.bands[setup.chandef.chan->band];
8057 err = ieee80211_get_ratemask(sband, rates, n_rates,
8058 &setup.basic_rates);
8063 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
8066 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
8068 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8069 struct net_device *dev = info->user_ptr[1];
8071 return cfg80211_leave_mesh(rdev, dev);
8075 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
8076 struct cfg80211_registered_device *rdev)
8078 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
8079 struct nlattr *nl_pats, *nl_pat;
8082 if (!wowlan->n_patterns)
8085 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
8089 for (i = 0; i < wowlan->n_patterns; i++) {
8090 nl_pat = nla_nest_start(msg, i + 1);
8093 pat_len = wowlan->patterns[i].pattern_len;
8094 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
8095 wowlan->patterns[i].mask) ||
8096 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8097 wowlan->patterns[i].pattern) ||
8098 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8099 wowlan->patterns[i].pkt_offset))
8101 nla_nest_end(msg, nl_pat);
8103 nla_nest_end(msg, nl_pats);
8108 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
8109 struct cfg80211_wowlan_tcp *tcp)
8111 struct nlattr *nl_tcp;
8116 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
8120 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
8121 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
8122 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
8123 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
8124 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
8125 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
8126 tcp->payload_len, tcp->payload) ||
8127 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
8128 tcp->data_interval) ||
8129 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
8130 tcp->wake_len, tcp->wake_data) ||
8131 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
8132 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
8135 if (tcp->payload_seq.len &&
8136 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
8137 sizeof(tcp->payload_seq), &tcp->payload_seq))
8140 if (tcp->payload_tok.len &&
8141 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
8142 sizeof(tcp->payload_tok) + tcp->tokens_size,
8146 nla_nest_end(msg, nl_tcp);
8151 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
8153 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8154 struct sk_buff *msg;
8156 u32 size = NLMSG_DEFAULT_SIZE;
8158 if (!rdev->wiphy.wowlan)
8161 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
8162 /* adjust size to have room for all the data */
8163 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
8164 rdev->wiphy.wowlan_config->tcp->payload_len +
8165 rdev->wiphy.wowlan_config->tcp->wake_len +
8166 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
8169 msg = nlmsg_new(size, GFP_KERNEL);
8173 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8174 NL80211_CMD_GET_WOWLAN);
8176 goto nla_put_failure;
8178 if (rdev->wiphy.wowlan_config) {
8179 struct nlattr *nl_wowlan;
8181 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
8183 goto nla_put_failure;
8185 if ((rdev->wiphy.wowlan_config->any &&
8186 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8187 (rdev->wiphy.wowlan_config->disconnect &&
8188 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8189 (rdev->wiphy.wowlan_config->magic_pkt &&
8190 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8191 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
8192 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8193 (rdev->wiphy.wowlan_config->eap_identity_req &&
8194 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8195 (rdev->wiphy.wowlan_config->four_way_handshake &&
8196 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8197 (rdev->wiphy.wowlan_config->rfkill_release &&
8198 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
8199 goto nla_put_failure;
8201 if (nl80211_send_wowlan_patterns(msg, rdev))
8202 goto nla_put_failure;
8204 if (nl80211_send_wowlan_tcp(msg,
8205 rdev->wiphy.wowlan_config->tcp))
8206 goto nla_put_failure;
8208 nla_nest_end(msg, nl_wowlan);
8211 genlmsg_end(msg, hdr);
8212 return genlmsg_reply(msg, info);
8219 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
8220 struct nlattr *attr,
8221 struct cfg80211_wowlan *trig)
8223 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
8224 struct cfg80211_wowlan_tcp *cfg;
8225 struct nl80211_wowlan_tcp_data_token *tok = NULL;
8226 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
8228 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
8231 if (!rdev->wiphy.wowlan->tcp)
8234 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
8235 nla_data(attr), nla_len(attr),
8236 nl80211_wowlan_tcp_policy);
8240 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
8241 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
8242 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
8243 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
8244 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
8245 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
8246 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
8247 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
8250 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
8251 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
8254 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
8255 rdev->wiphy.wowlan->tcp->data_interval_max ||
8256 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
8259 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
8260 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
8263 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
8264 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
8267 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
8268 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8270 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8271 tokens_size = tokln - sizeof(*tok);
8273 if (!tok->len || tokens_size % tok->len)
8275 if (!rdev->wiphy.wowlan->tcp->tok)
8277 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
8279 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
8281 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
8283 if (tok->offset + tok->len > data_size)
8287 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
8288 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
8289 if (!rdev->wiphy.wowlan->tcp->seq)
8291 if (seq->len == 0 || seq->len > 4)
8293 if (seq->len + seq->offset > data_size)
8297 size = sizeof(*cfg);
8299 size += wake_size + wake_mask_size;
8300 size += tokens_size;
8302 cfg = kzalloc(size, GFP_KERNEL);
8305 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
8306 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
8307 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
8309 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
8310 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
8314 /* allocate a socket and port for it and use it */
8315 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
8316 IPPROTO_TCP, &cfg->sock, 1);
8321 if (inet_csk_get_port(cfg->sock->sk, port)) {
8322 sock_release(cfg->sock);
8326 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
8332 cfg->src_port = port;
8335 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
8336 cfg->payload_len = data_size;
8337 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
8338 memcpy((void *)cfg->payload,
8339 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
8342 cfg->payload_seq = *seq;
8343 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
8344 cfg->wake_len = wake_size;
8345 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
8346 memcpy((void *)cfg->wake_data,
8347 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
8349 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
8350 data_size + wake_size;
8351 memcpy((void *)cfg->wake_mask,
8352 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
8355 cfg->tokens_size = tokens_size;
8356 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
8364 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
8366 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8367 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
8368 struct cfg80211_wowlan new_triggers = {};
8369 struct cfg80211_wowlan *ntrig;
8370 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
8372 bool prev_enabled = rdev->wiphy.wowlan_config;
8377 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
8378 cfg80211_rdev_free_wowlan(rdev);
8379 rdev->wiphy.wowlan_config = NULL;
8383 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
8384 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8385 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8386 nl80211_wowlan_policy);
8390 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
8391 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
8393 new_triggers.any = true;
8396 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
8397 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
8399 new_triggers.disconnect = true;
8402 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
8403 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
8405 new_triggers.magic_pkt = true;
8408 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
8411 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
8412 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
8414 new_triggers.gtk_rekey_failure = true;
8417 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
8418 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
8420 new_triggers.eap_identity_req = true;
8423 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
8424 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
8426 new_triggers.four_way_handshake = true;
8429 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
8430 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
8432 new_triggers.rfkill_release = true;
8435 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
8438 int rem, pat_len, mask_len, pkt_offset;
8439 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8441 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8444 if (n_patterns > wowlan->n_patterns)
8447 new_triggers.patterns = kcalloc(n_patterns,
8448 sizeof(new_triggers.patterns[0]),
8450 if (!new_triggers.patterns)
8453 new_triggers.n_patterns = n_patterns;
8456 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8458 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8459 nla_len(pat), NULL);
8461 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8462 !pat_tb[NL80211_PKTPAT_PATTERN])
8464 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8465 mask_len = DIV_ROUND_UP(pat_len, 8);
8466 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8468 if (pat_len > wowlan->pattern_max_len ||
8469 pat_len < wowlan->pattern_min_len)
8472 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8475 pkt_offset = nla_get_u32(
8476 pat_tb[NL80211_PKTPAT_OFFSET]);
8477 if (pkt_offset > wowlan->max_pkt_offset)
8479 new_triggers.patterns[i].pkt_offset = pkt_offset;
8481 new_triggers.patterns[i].mask =
8482 kmalloc(mask_len + pat_len, GFP_KERNEL);
8483 if (!new_triggers.patterns[i].mask) {
8487 new_triggers.patterns[i].pattern =
8488 new_triggers.patterns[i].mask + mask_len;
8489 memcpy(new_triggers.patterns[i].mask,
8490 nla_data(pat_tb[NL80211_PKTPAT_MASK]),
8492 new_triggers.patterns[i].pattern_len = pat_len;
8493 memcpy(new_triggers.patterns[i].pattern,
8494 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
8500 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
8501 err = nl80211_parse_wowlan_tcp(
8502 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
8508 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
8513 cfg80211_rdev_free_wowlan(rdev);
8514 rdev->wiphy.wowlan_config = ntrig;
8517 if (rdev->ops->set_wakeup &&
8518 prev_enabled != !!rdev->wiphy.wowlan_config)
8519 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
8523 for (i = 0; i < new_triggers.n_patterns; i++)
8524 kfree(new_triggers.patterns[i].mask);
8525 kfree(new_triggers.patterns);
8526 if (new_triggers.tcp && new_triggers.tcp->sock)
8527 sock_release(new_triggers.tcp->sock);
8528 kfree(new_triggers.tcp);
8533 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
8534 struct cfg80211_registered_device *rdev)
8536 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
8538 struct cfg80211_coalesce_rules *rule;
8540 if (!rdev->coalesce->n_rules)
8543 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
8547 for (i = 0; i < rdev->coalesce->n_rules; i++) {
8548 nl_rule = nla_nest_start(msg, i + 1);
8552 rule = &rdev->coalesce->rules[i];
8553 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
8557 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
8561 nl_pats = nla_nest_start(msg,
8562 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
8566 for (j = 0; j < rule->n_patterns; j++) {
8567 nl_pat = nla_nest_start(msg, j + 1);
8570 pat_len = rule->patterns[j].pattern_len;
8571 if (nla_put(msg, NL80211_PKTPAT_MASK,
8572 DIV_ROUND_UP(pat_len, 8),
8573 rule->patterns[j].mask) ||
8574 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8575 rule->patterns[j].pattern) ||
8576 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8577 rule->patterns[j].pkt_offset))
8579 nla_nest_end(msg, nl_pat);
8581 nla_nest_end(msg, nl_pats);
8582 nla_nest_end(msg, nl_rule);
8584 nla_nest_end(msg, nl_rules);
8589 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
8591 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8592 struct sk_buff *msg;
8595 if (!rdev->wiphy.coalesce)
8598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8602 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8603 NL80211_CMD_GET_COALESCE);
8605 goto nla_put_failure;
8607 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
8608 goto nla_put_failure;
8610 genlmsg_end(msg, hdr);
8611 return genlmsg_reply(msg, info);
8618 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
8620 struct cfg80211_coalesce *coalesce = rdev->coalesce;
8622 struct cfg80211_coalesce_rules *rule;
8627 for (i = 0; i < coalesce->n_rules; i++) {
8628 rule = &coalesce->rules[i];
8629 for (j = 0; j < rule->n_patterns; j++)
8630 kfree(rule->patterns[j].mask);
8631 kfree(rule->patterns);
8633 kfree(coalesce->rules);
8635 rdev->coalesce = NULL;
8638 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
8639 struct nlattr *rule,
8640 struct cfg80211_coalesce_rules *new_rule)
8643 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8644 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
8645 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
8646 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8648 err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
8649 nla_len(rule), nl80211_coalesce_policy);
8653 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
8655 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
8656 if (new_rule->delay > coalesce->max_delay)
8659 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
8660 new_rule->condition =
8661 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
8662 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
8663 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
8666 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
8669 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8672 if (n_patterns > coalesce->n_patterns)
8675 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
8677 if (!new_rule->patterns)
8680 new_rule->n_patterns = n_patterns;
8683 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8685 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8686 nla_len(pat), NULL);
8687 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8688 !pat_tb[NL80211_PKTPAT_PATTERN])
8690 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8691 mask_len = DIV_ROUND_UP(pat_len, 8);
8692 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8694 if (pat_len > coalesce->pattern_max_len ||
8695 pat_len < coalesce->pattern_min_len)
8698 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8701 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
8702 if (pkt_offset > coalesce->max_pkt_offset)
8704 new_rule->patterns[i].pkt_offset = pkt_offset;
8706 new_rule->patterns[i].mask =
8707 kmalloc(mask_len + pat_len, GFP_KERNEL);
8708 if (!new_rule->patterns[i].mask)
8710 new_rule->patterns[i].pattern =
8711 new_rule->patterns[i].mask + mask_len;
8712 memcpy(new_rule->patterns[i].mask,
8713 nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
8714 new_rule->patterns[i].pattern_len = pat_len;
8715 memcpy(new_rule->patterns[i].pattern,
8716 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
8723 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
8725 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8726 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8727 struct cfg80211_coalesce new_coalesce = {};
8728 struct cfg80211_coalesce *n_coalesce;
8729 int err, rem_rule, n_rules = 0, i, j;
8730 struct nlattr *rule;
8731 struct cfg80211_coalesce_rules *tmp_rule;
8733 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
8736 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
8737 cfg80211_rdev_free_coalesce(rdev);
8738 rdev->ops->set_coalesce(&rdev->wiphy, NULL);
8742 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8745 if (n_rules > coalesce->n_rules)
8748 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
8750 if (!new_coalesce.rules)
8753 new_coalesce.n_rules = n_rules;
8756 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8758 err = nl80211_parse_coalesce_rule(rdev, rule,
8759 &new_coalesce.rules[i]);
8766 err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
8770 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
8775 cfg80211_rdev_free_coalesce(rdev);
8776 rdev->coalesce = n_coalesce;
8780 for (i = 0; i < new_coalesce.n_rules; i++) {
8781 tmp_rule = &new_coalesce.rules[i];
8782 for (j = 0; j < tmp_rule->n_patterns; j++)
8783 kfree(tmp_rule->patterns[j].mask);
8784 kfree(tmp_rule->patterns);
8786 kfree(new_coalesce.rules);
8791 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
8793 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8794 struct net_device *dev = info->user_ptr[1];
8795 struct wireless_dev *wdev = dev->ieee80211_ptr;
8796 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
8797 struct cfg80211_gtk_rekey_data rekey_data;
8800 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
8803 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
8804 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
8805 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
8806 nl80211_rekey_policy);
8810 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
8812 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
8814 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
8817 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
8819 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
8821 memcpy(rekey_data.replay_ctr,
8822 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
8823 NL80211_REPLAY_CTR_LEN);
8826 if (!wdev->current_bss) {
8831 if (!rdev->ops->set_rekey_data) {
8836 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
8842 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
8843 struct genl_info *info)
8845 struct net_device *dev = info->user_ptr[1];
8846 struct wireless_dev *wdev = dev->ieee80211_ptr;
8848 if (wdev->iftype != NL80211_IFTYPE_AP &&
8849 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8852 if (wdev->ap_unexpected_nlportid)
8855 wdev->ap_unexpected_nlportid = info->snd_portid;
8859 static int nl80211_probe_client(struct sk_buff *skb,
8860 struct genl_info *info)
8862 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8863 struct net_device *dev = info->user_ptr[1];
8864 struct wireless_dev *wdev = dev->ieee80211_ptr;
8865 struct sk_buff *msg;
8871 if (wdev->iftype != NL80211_IFTYPE_AP &&
8872 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8875 if (!info->attrs[NL80211_ATTR_MAC])
8878 if (!rdev->ops->probe_client)
8881 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8885 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8886 NL80211_CMD_PROBE_CLIENT);
8892 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8894 err = rdev_probe_client(rdev, dev, addr, &cookie);
8898 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8899 goto nla_put_failure;
8901 genlmsg_end(msg, hdr);
8903 return genlmsg_reply(msg, info);
8912 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8915 struct cfg80211_beacon_registration *reg, *nreg;
8918 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8921 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8925 /* First, check if already registered. */
8926 spin_lock_bh(&rdev->beacon_registrations_lock);
8927 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8928 if (reg->nlportid == info->snd_portid) {
8933 /* Add it to the list */
8934 nreg->nlportid = info->snd_portid;
8935 list_add(&nreg->list, &rdev->beacon_registrations);
8937 spin_unlock_bh(&rdev->beacon_registrations_lock);
8941 spin_unlock_bh(&rdev->beacon_registrations_lock);
8946 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8948 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8949 struct wireless_dev *wdev = info->user_ptr[1];
8952 if (!rdev->ops->start_p2p_device)
8955 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8958 if (wdev->p2p_started)
8961 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8965 err = rdev_start_p2p_device(rdev, wdev);
8969 wdev->p2p_started = true;
8975 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8977 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8978 struct wireless_dev *wdev = info->user_ptr[1];
8980 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8983 if (!rdev->ops->stop_p2p_device)
8986 cfg80211_stop_p2p_device(rdev, wdev);
8991 static int nl80211_get_protocol_features(struct sk_buff *skb,
8992 struct genl_info *info)
8995 struct sk_buff *msg;
8997 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9001 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9002 NL80211_CMD_GET_PROTOCOL_FEATURES);
9004 goto nla_put_failure;
9006 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
9007 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
9008 goto nla_put_failure;
9010 genlmsg_end(msg, hdr);
9011 return genlmsg_reply(msg, info);
9018 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
9020 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9021 struct cfg80211_update_ft_ies_params ft_params;
9022 struct net_device *dev = info->user_ptr[1];
9024 if (!rdev->ops->update_ft_ies)
9027 if (!info->attrs[NL80211_ATTR_MDID] ||
9028 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
9031 memset(&ft_params, 0, sizeof(ft_params));
9032 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
9033 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9034 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9036 return rdev_update_ft_ies(rdev, dev, &ft_params);
9039 static int nl80211_crit_protocol_start(struct sk_buff *skb,
9040 struct genl_info *info)
9042 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9043 struct wireless_dev *wdev = info->user_ptr[1];
9044 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
9048 if (!rdev->ops->crit_proto_start)
9051 if (WARN_ON(!rdev->ops->crit_proto_stop))
9054 if (rdev->crit_proto_nlportid)
9057 /* determine protocol if provided */
9058 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
9059 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
9061 if (proto >= NUM_NL80211_CRIT_PROTO)
9064 /* timeout must be provided */
9065 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
9069 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
9071 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
9074 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
9076 rdev->crit_proto_nlportid = info->snd_portid;
9081 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
9082 struct genl_info *info)
9084 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9085 struct wireless_dev *wdev = info->user_ptr[1];
9087 if (!rdev->ops->crit_proto_stop)
9090 if (rdev->crit_proto_nlportid) {
9091 rdev->crit_proto_nlportid = 0;
9092 rdev_crit_proto_stop(rdev, wdev);
9097 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
9099 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9100 struct wireless_dev *wdev =
9101 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9105 if (!rdev->wiphy.vendor_commands)
9109 err = PTR_ERR(wdev);
9113 } else if (wdev->wiphy != &rdev->wiphy) {
9117 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
9118 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
9121 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
9122 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
9123 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
9124 const struct wiphy_vendor_command *vcmd;
9128 vcmd = &rdev->wiphy.vendor_commands[i];
9130 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
9133 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
9134 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
9137 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
9141 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
9143 !netif_running(wdev->netdev))
9145 if (!wdev->netdev && !wdev->p2p_started)
9152 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
9153 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9154 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9157 rdev->cur_cmd_info = info;
9158 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
9160 rdev->cur_cmd_info = NULL;
9167 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
9168 enum nl80211_commands cmd,
9169 enum nl80211_attrs attr,
9172 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9174 if (WARN_ON(!rdev->cur_cmd_info))
9177 return __cfg80211_alloc_vendor_skb(rdev, approxlen,
9178 rdev->cur_cmd_info->snd_portid,
9179 rdev->cur_cmd_info->snd_seq,
9180 cmd, attr, NULL, GFP_KERNEL);
9182 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
9184 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
9186 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9187 void *hdr = ((void **)skb->cb)[1];
9188 struct nlattr *data = ((void **)skb->cb)[2];
9190 if (WARN_ON(!rdev->cur_cmd_info)) {
9195 nla_nest_end(skb, data);
9196 genlmsg_end(skb, hdr);
9197 return genlmsg_reply(skb, rdev->cur_cmd_info);
9199 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
9202 static int nl80211_set_qos_map(struct sk_buff *skb,
9203 struct genl_info *info)
9205 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9206 struct cfg80211_qos_map *qos_map = NULL;
9207 struct net_device *dev = info->user_ptr[1];
9208 u8 *pos, len, num_des, des_len, des;
9211 if (!rdev->ops->set_qos_map)
9214 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
9215 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
9216 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
9218 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
9219 len > IEEE80211_QOS_MAP_LEN_MAX)
9222 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
9226 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
9229 sizeof(struct cfg80211_dscp_exception);
9230 memcpy(qos_map->dscp_exception, pos, des_len);
9231 qos_map->num_des = num_des;
9232 for (des = 0; des < num_des; des++) {
9233 if (qos_map->dscp_exception[des].up > 7) {
9240 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
9243 wdev_lock(dev->ieee80211_ptr);
9244 ret = nl80211_key_allowed(dev->ieee80211_ptr);
9246 ret = rdev_set_qos_map(rdev, dev, qos_map);
9247 wdev_unlock(dev->ieee80211_ptr);
9253 #define NL80211_FLAG_NEED_WIPHY 0x01
9254 #define NL80211_FLAG_NEED_NETDEV 0x02
9255 #define NL80211_FLAG_NEED_RTNL 0x04
9256 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9257 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9258 NL80211_FLAG_CHECK_NETDEV_UP)
9259 #define NL80211_FLAG_NEED_WDEV 0x10
9260 /* If a netdev is associated, it must be UP, P2P must be started */
9261 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9262 NL80211_FLAG_CHECK_NETDEV_UP)
9264 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
9265 struct genl_info *info)
9267 struct cfg80211_registered_device *rdev;
9268 struct wireless_dev *wdev;
9269 struct net_device *dev;
9270 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
9275 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
9276 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
9280 return PTR_ERR(rdev);
9282 info->user_ptr[0] = rdev;
9283 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
9284 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
9287 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
9292 return PTR_ERR(wdev);
9296 rdev = wiphy_to_dev(wdev->wiphy);
9298 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
9305 info->user_ptr[1] = dev;
9307 info->user_ptr[1] = wdev;
9311 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
9312 !netif_running(dev)) {
9319 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
9320 if (!wdev->p2p_started) {
9327 info->user_ptr[0] = rdev;
9333 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
9334 struct genl_info *info)
9336 if (info->user_ptr[1]) {
9337 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
9338 struct wireless_dev *wdev = info->user_ptr[1];
9341 dev_put(wdev->netdev);
9343 dev_put(info->user_ptr[1]);
9346 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
9350 static const struct genl_ops nl80211_ops[] = {
9352 .cmd = NL80211_CMD_GET_WIPHY,
9353 .doit = nl80211_get_wiphy,
9354 .dumpit = nl80211_dump_wiphy,
9355 .done = nl80211_dump_wiphy_done,
9356 .policy = nl80211_policy,
9357 /* can be retrieved by unprivileged users */
9358 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9359 NL80211_FLAG_NEED_RTNL,
9362 .cmd = NL80211_CMD_SET_WIPHY,
9363 .doit = nl80211_set_wiphy,
9364 .policy = nl80211_policy,
9365 .flags = GENL_ADMIN_PERM,
9366 .internal_flags = NL80211_FLAG_NEED_RTNL,
9369 .cmd = NL80211_CMD_GET_INTERFACE,
9370 .doit = nl80211_get_interface,
9371 .dumpit = nl80211_dump_interface,
9372 .policy = nl80211_policy,
9373 /* can be retrieved by unprivileged users */
9374 .internal_flags = NL80211_FLAG_NEED_WDEV |
9375 NL80211_FLAG_NEED_RTNL,
9378 .cmd = NL80211_CMD_SET_INTERFACE,
9379 .doit = nl80211_set_interface,
9380 .policy = nl80211_policy,
9381 .flags = GENL_ADMIN_PERM,
9382 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9383 NL80211_FLAG_NEED_RTNL,
9386 .cmd = NL80211_CMD_NEW_INTERFACE,
9387 .doit = nl80211_new_interface,
9388 .policy = nl80211_policy,
9389 .flags = GENL_ADMIN_PERM,
9390 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9391 NL80211_FLAG_NEED_RTNL,
9394 .cmd = NL80211_CMD_DEL_INTERFACE,
9395 .doit = nl80211_del_interface,
9396 .policy = nl80211_policy,
9397 .flags = GENL_ADMIN_PERM,
9398 .internal_flags = NL80211_FLAG_NEED_WDEV |
9399 NL80211_FLAG_NEED_RTNL,
9402 .cmd = NL80211_CMD_GET_KEY,
9403 .doit = nl80211_get_key,
9404 .policy = nl80211_policy,
9405 .flags = GENL_ADMIN_PERM,
9406 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9407 NL80211_FLAG_NEED_RTNL,
9410 .cmd = NL80211_CMD_SET_KEY,
9411 .doit = nl80211_set_key,
9412 .policy = nl80211_policy,
9413 .flags = GENL_ADMIN_PERM,
9414 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9415 NL80211_FLAG_NEED_RTNL,
9418 .cmd = NL80211_CMD_NEW_KEY,
9419 .doit = nl80211_new_key,
9420 .policy = nl80211_policy,
9421 .flags = GENL_ADMIN_PERM,
9422 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9423 NL80211_FLAG_NEED_RTNL,
9426 .cmd = NL80211_CMD_DEL_KEY,
9427 .doit = nl80211_del_key,
9428 .policy = nl80211_policy,
9429 .flags = GENL_ADMIN_PERM,
9430 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9431 NL80211_FLAG_NEED_RTNL,
9434 .cmd = NL80211_CMD_SET_BEACON,
9435 .policy = nl80211_policy,
9436 .flags = GENL_ADMIN_PERM,
9437 .doit = nl80211_set_beacon,
9438 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9439 NL80211_FLAG_NEED_RTNL,
9442 .cmd = NL80211_CMD_START_AP,
9443 .policy = nl80211_policy,
9444 .flags = GENL_ADMIN_PERM,
9445 .doit = nl80211_start_ap,
9446 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9447 NL80211_FLAG_NEED_RTNL,
9450 .cmd = NL80211_CMD_STOP_AP,
9451 .policy = nl80211_policy,
9452 .flags = GENL_ADMIN_PERM,
9453 .doit = nl80211_stop_ap,
9454 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9455 NL80211_FLAG_NEED_RTNL,
9458 .cmd = NL80211_CMD_GET_STATION,
9459 .doit = nl80211_get_station,
9460 .dumpit = nl80211_dump_station,
9461 .policy = nl80211_policy,
9462 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9463 NL80211_FLAG_NEED_RTNL,
9466 .cmd = NL80211_CMD_SET_STATION,
9467 .doit = nl80211_set_station,
9468 .policy = nl80211_policy,
9469 .flags = GENL_ADMIN_PERM,
9470 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9471 NL80211_FLAG_NEED_RTNL,
9474 .cmd = NL80211_CMD_NEW_STATION,
9475 .doit = nl80211_new_station,
9476 .policy = nl80211_policy,
9477 .flags = GENL_ADMIN_PERM,
9478 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9479 NL80211_FLAG_NEED_RTNL,
9482 .cmd = NL80211_CMD_DEL_STATION,
9483 .doit = nl80211_del_station,
9484 .policy = nl80211_policy,
9485 .flags = GENL_ADMIN_PERM,
9486 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9487 NL80211_FLAG_NEED_RTNL,
9490 .cmd = NL80211_CMD_GET_MPATH,
9491 .doit = nl80211_get_mpath,
9492 .dumpit = nl80211_dump_mpath,
9493 .policy = nl80211_policy,
9494 .flags = GENL_ADMIN_PERM,
9495 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9496 NL80211_FLAG_NEED_RTNL,
9499 .cmd = NL80211_CMD_SET_MPATH,
9500 .doit = nl80211_set_mpath,
9501 .policy = nl80211_policy,
9502 .flags = GENL_ADMIN_PERM,
9503 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9504 NL80211_FLAG_NEED_RTNL,
9507 .cmd = NL80211_CMD_NEW_MPATH,
9508 .doit = nl80211_new_mpath,
9509 .policy = nl80211_policy,
9510 .flags = GENL_ADMIN_PERM,
9511 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9512 NL80211_FLAG_NEED_RTNL,
9515 .cmd = NL80211_CMD_DEL_MPATH,
9516 .doit = nl80211_del_mpath,
9517 .policy = nl80211_policy,
9518 .flags = GENL_ADMIN_PERM,
9519 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9520 NL80211_FLAG_NEED_RTNL,
9523 .cmd = NL80211_CMD_SET_BSS,
9524 .doit = nl80211_set_bss,
9525 .policy = nl80211_policy,
9526 .flags = GENL_ADMIN_PERM,
9527 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9528 NL80211_FLAG_NEED_RTNL,
9531 .cmd = NL80211_CMD_GET_REG,
9532 .doit = nl80211_get_reg,
9533 .policy = nl80211_policy,
9534 .internal_flags = NL80211_FLAG_NEED_RTNL,
9535 /* can be retrieved by unprivileged users */
9538 .cmd = NL80211_CMD_SET_REG,
9539 .doit = nl80211_set_reg,
9540 .policy = nl80211_policy,
9541 .flags = GENL_ADMIN_PERM,
9542 .internal_flags = NL80211_FLAG_NEED_RTNL,
9545 .cmd = NL80211_CMD_REQ_SET_REG,
9546 .doit = nl80211_req_set_reg,
9547 .policy = nl80211_policy,
9548 .flags = GENL_ADMIN_PERM,
9551 .cmd = NL80211_CMD_GET_MESH_CONFIG,
9552 .doit = nl80211_get_mesh_config,
9553 .policy = nl80211_policy,
9554 /* can be retrieved by unprivileged users */
9555 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9556 NL80211_FLAG_NEED_RTNL,
9559 .cmd = NL80211_CMD_SET_MESH_CONFIG,
9560 .doit = nl80211_update_mesh_config,
9561 .policy = nl80211_policy,
9562 .flags = GENL_ADMIN_PERM,
9563 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9564 NL80211_FLAG_NEED_RTNL,
9567 .cmd = NL80211_CMD_TRIGGER_SCAN,
9568 .doit = nl80211_trigger_scan,
9569 .policy = nl80211_policy,
9570 .flags = GENL_ADMIN_PERM,
9571 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9572 NL80211_FLAG_NEED_RTNL,
9575 .cmd = NL80211_CMD_GET_SCAN,
9576 .policy = nl80211_policy,
9577 .dumpit = nl80211_dump_scan,
9580 .cmd = NL80211_CMD_START_SCHED_SCAN,
9581 .doit = nl80211_start_sched_scan,
9582 .policy = nl80211_policy,
9583 .flags = GENL_ADMIN_PERM,
9584 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9585 NL80211_FLAG_NEED_RTNL,
9588 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
9589 .doit = nl80211_stop_sched_scan,
9590 .policy = nl80211_policy,
9591 .flags = GENL_ADMIN_PERM,
9592 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9593 NL80211_FLAG_NEED_RTNL,
9596 .cmd = NL80211_CMD_AUTHENTICATE,
9597 .doit = nl80211_authenticate,
9598 .policy = nl80211_policy,
9599 .flags = GENL_ADMIN_PERM,
9600 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9601 NL80211_FLAG_NEED_RTNL,
9604 .cmd = NL80211_CMD_ASSOCIATE,
9605 .doit = nl80211_associate,
9606 .policy = nl80211_policy,
9607 .flags = GENL_ADMIN_PERM,
9608 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9609 NL80211_FLAG_NEED_RTNL,
9612 .cmd = NL80211_CMD_DEAUTHENTICATE,
9613 .doit = nl80211_deauthenticate,
9614 .policy = nl80211_policy,
9615 .flags = GENL_ADMIN_PERM,
9616 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9617 NL80211_FLAG_NEED_RTNL,
9620 .cmd = NL80211_CMD_DISASSOCIATE,
9621 .doit = nl80211_disassociate,
9622 .policy = nl80211_policy,
9623 .flags = GENL_ADMIN_PERM,
9624 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9625 NL80211_FLAG_NEED_RTNL,
9628 .cmd = NL80211_CMD_JOIN_IBSS,
9629 .doit = nl80211_join_ibss,
9630 .policy = nl80211_policy,
9631 .flags = GENL_ADMIN_PERM,
9632 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9633 NL80211_FLAG_NEED_RTNL,
9636 .cmd = NL80211_CMD_LEAVE_IBSS,
9637 .doit = nl80211_leave_ibss,
9638 .policy = nl80211_policy,
9639 .flags = GENL_ADMIN_PERM,
9640 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9641 NL80211_FLAG_NEED_RTNL,
9643 #ifdef CONFIG_NL80211_TESTMODE
9645 .cmd = NL80211_CMD_TESTMODE,
9646 .doit = nl80211_testmode_do,
9647 .dumpit = nl80211_testmode_dump,
9648 .policy = nl80211_policy,
9649 .flags = GENL_ADMIN_PERM,
9650 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9651 NL80211_FLAG_NEED_RTNL,
9655 .cmd = NL80211_CMD_CONNECT,
9656 .doit = nl80211_connect,
9657 .policy = nl80211_policy,
9658 .flags = GENL_ADMIN_PERM,
9659 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9660 NL80211_FLAG_NEED_RTNL,
9663 .cmd = NL80211_CMD_DISCONNECT,
9664 .doit = nl80211_disconnect,
9665 .policy = nl80211_policy,
9666 .flags = GENL_ADMIN_PERM,
9667 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9668 NL80211_FLAG_NEED_RTNL,
9671 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
9672 .doit = nl80211_wiphy_netns,
9673 .policy = nl80211_policy,
9674 .flags = GENL_ADMIN_PERM,
9675 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9676 NL80211_FLAG_NEED_RTNL,
9679 .cmd = NL80211_CMD_GET_SURVEY,
9680 .policy = nl80211_policy,
9681 .dumpit = nl80211_dump_survey,
9684 .cmd = NL80211_CMD_SET_PMKSA,
9685 .doit = nl80211_setdel_pmksa,
9686 .policy = nl80211_policy,
9687 .flags = GENL_ADMIN_PERM,
9688 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9689 NL80211_FLAG_NEED_RTNL,
9692 .cmd = NL80211_CMD_DEL_PMKSA,
9693 .doit = nl80211_setdel_pmksa,
9694 .policy = nl80211_policy,
9695 .flags = GENL_ADMIN_PERM,
9696 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9697 NL80211_FLAG_NEED_RTNL,
9700 .cmd = NL80211_CMD_FLUSH_PMKSA,
9701 .doit = nl80211_flush_pmksa,
9702 .policy = nl80211_policy,
9703 .flags = GENL_ADMIN_PERM,
9704 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9705 NL80211_FLAG_NEED_RTNL,
9708 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
9709 .doit = nl80211_remain_on_channel,
9710 .policy = nl80211_policy,
9711 .flags = GENL_ADMIN_PERM,
9712 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9713 NL80211_FLAG_NEED_RTNL,
9716 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9717 .doit = nl80211_cancel_remain_on_channel,
9718 .policy = nl80211_policy,
9719 .flags = GENL_ADMIN_PERM,
9720 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9721 NL80211_FLAG_NEED_RTNL,
9724 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
9725 .doit = nl80211_set_tx_bitrate_mask,
9726 .policy = nl80211_policy,
9727 .flags = GENL_ADMIN_PERM,
9728 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9729 NL80211_FLAG_NEED_RTNL,
9732 .cmd = NL80211_CMD_REGISTER_FRAME,
9733 .doit = nl80211_register_mgmt,
9734 .policy = nl80211_policy,
9735 .flags = GENL_ADMIN_PERM,
9736 .internal_flags = NL80211_FLAG_NEED_WDEV |
9737 NL80211_FLAG_NEED_RTNL,
9740 .cmd = NL80211_CMD_FRAME,
9741 .doit = nl80211_tx_mgmt,
9742 .policy = nl80211_policy,
9743 .flags = GENL_ADMIN_PERM,
9744 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9745 NL80211_FLAG_NEED_RTNL,
9748 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
9749 .doit = nl80211_tx_mgmt_cancel_wait,
9750 .policy = nl80211_policy,
9751 .flags = GENL_ADMIN_PERM,
9752 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9753 NL80211_FLAG_NEED_RTNL,
9756 .cmd = NL80211_CMD_SET_POWER_SAVE,
9757 .doit = nl80211_set_power_save,
9758 .policy = nl80211_policy,
9759 .flags = GENL_ADMIN_PERM,
9760 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9761 NL80211_FLAG_NEED_RTNL,
9764 .cmd = NL80211_CMD_GET_POWER_SAVE,
9765 .doit = nl80211_get_power_save,
9766 .policy = nl80211_policy,
9767 /* can be retrieved by unprivileged users */
9768 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9769 NL80211_FLAG_NEED_RTNL,
9772 .cmd = NL80211_CMD_SET_CQM,
9773 .doit = nl80211_set_cqm,
9774 .policy = nl80211_policy,
9775 .flags = GENL_ADMIN_PERM,
9776 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9777 NL80211_FLAG_NEED_RTNL,
9780 .cmd = NL80211_CMD_SET_CHANNEL,
9781 .doit = nl80211_set_channel,
9782 .policy = nl80211_policy,
9783 .flags = GENL_ADMIN_PERM,
9784 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9785 NL80211_FLAG_NEED_RTNL,
9788 .cmd = NL80211_CMD_SET_WDS_PEER,
9789 .doit = nl80211_set_wds_peer,
9790 .policy = nl80211_policy,
9791 .flags = GENL_ADMIN_PERM,
9792 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9793 NL80211_FLAG_NEED_RTNL,
9796 .cmd = NL80211_CMD_JOIN_MESH,
9797 .doit = nl80211_join_mesh,
9798 .policy = nl80211_policy,
9799 .flags = GENL_ADMIN_PERM,
9800 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9801 NL80211_FLAG_NEED_RTNL,
9804 .cmd = NL80211_CMD_LEAVE_MESH,
9805 .doit = nl80211_leave_mesh,
9806 .policy = nl80211_policy,
9807 .flags = GENL_ADMIN_PERM,
9808 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9809 NL80211_FLAG_NEED_RTNL,
9813 .cmd = NL80211_CMD_GET_WOWLAN,
9814 .doit = nl80211_get_wowlan,
9815 .policy = nl80211_policy,
9816 /* can be retrieved by unprivileged users */
9817 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9818 NL80211_FLAG_NEED_RTNL,
9821 .cmd = NL80211_CMD_SET_WOWLAN,
9822 .doit = nl80211_set_wowlan,
9823 .policy = nl80211_policy,
9824 .flags = GENL_ADMIN_PERM,
9825 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9826 NL80211_FLAG_NEED_RTNL,
9830 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
9831 .doit = nl80211_set_rekey_data,
9832 .policy = nl80211_policy,
9833 .flags = GENL_ADMIN_PERM,
9834 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9835 NL80211_FLAG_NEED_RTNL,
9838 .cmd = NL80211_CMD_TDLS_MGMT,
9839 .doit = nl80211_tdls_mgmt,
9840 .policy = nl80211_policy,
9841 .flags = GENL_ADMIN_PERM,
9842 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9843 NL80211_FLAG_NEED_RTNL,
9846 .cmd = NL80211_CMD_TDLS_OPER,
9847 .doit = nl80211_tdls_oper,
9848 .policy = nl80211_policy,
9849 .flags = GENL_ADMIN_PERM,
9850 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9851 NL80211_FLAG_NEED_RTNL,
9854 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
9855 .doit = nl80211_register_unexpected_frame,
9856 .policy = nl80211_policy,
9857 .flags = GENL_ADMIN_PERM,
9858 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9859 NL80211_FLAG_NEED_RTNL,
9862 .cmd = NL80211_CMD_PROBE_CLIENT,
9863 .doit = nl80211_probe_client,
9864 .policy = nl80211_policy,
9865 .flags = GENL_ADMIN_PERM,
9866 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9867 NL80211_FLAG_NEED_RTNL,
9870 .cmd = NL80211_CMD_REGISTER_BEACONS,
9871 .doit = nl80211_register_beacons,
9872 .policy = nl80211_policy,
9873 .flags = GENL_ADMIN_PERM,
9874 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9875 NL80211_FLAG_NEED_RTNL,
9878 .cmd = NL80211_CMD_SET_NOACK_MAP,
9879 .doit = nl80211_set_noack_map,
9880 .policy = nl80211_policy,
9881 .flags = GENL_ADMIN_PERM,
9882 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9883 NL80211_FLAG_NEED_RTNL,
9886 .cmd = NL80211_CMD_START_P2P_DEVICE,
9887 .doit = nl80211_start_p2p_device,
9888 .policy = nl80211_policy,
9889 .flags = GENL_ADMIN_PERM,
9890 .internal_flags = NL80211_FLAG_NEED_WDEV |
9891 NL80211_FLAG_NEED_RTNL,
9894 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
9895 .doit = nl80211_stop_p2p_device,
9896 .policy = nl80211_policy,
9897 .flags = GENL_ADMIN_PERM,
9898 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9899 NL80211_FLAG_NEED_RTNL,
9902 .cmd = NL80211_CMD_SET_MCAST_RATE,
9903 .doit = nl80211_set_mcast_rate,
9904 .policy = nl80211_policy,
9905 .flags = GENL_ADMIN_PERM,
9906 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9907 NL80211_FLAG_NEED_RTNL,
9910 .cmd = NL80211_CMD_SET_MAC_ACL,
9911 .doit = nl80211_set_mac_acl,
9912 .policy = nl80211_policy,
9913 .flags = GENL_ADMIN_PERM,
9914 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9915 NL80211_FLAG_NEED_RTNL,
9918 .cmd = NL80211_CMD_RADAR_DETECT,
9919 .doit = nl80211_start_radar_detection,
9920 .policy = nl80211_policy,
9921 .flags = GENL_ADMIN_PERM,
9922 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9923 NL80211_FLAG_NEED_RTNL,
9926 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
9927 .doit = nl80211_get_protocol_features,
9928 .policy = nl80211_policy,
9931 .cmd = NL80211_CMD_UPDATE_FT_IES,
9932 .doit = nl80211_update_ft_ies,
9933 .policy = nl80211_policy,
9934 .flags = GENL_ADMIN_PERM,
9935 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9936 NL80211_FLAG_NEED_RTNL,
9939 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
9940 .doit = nl80211_crit_protocol_start,
9941 .policy = nl80211_policy,
9942 .flags = GENL_ADMIN_PERM,
9943 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9944 NL80211_FLAG_NEED_RTNL,
9947 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
9948 .doit = nl80211_crit_protocol_stop,
9949 .policy = nl80211_policy,
9950 .flags = GENL_ADMIN_PERM,
9951 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9952 NL80211_FLAG_NEED_RTNL,
9955 .cmd = NL80211_CMD_GET_COALESCE,
9956 .doit = nl80211_get_coalesce,
9957 .policy = nl80211_policy,
9958 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9959 NL80211_FLAG_NEED_RTNL,
9962 .cmd = NL80211_CMD_SET_COALESCE,
9963 .doit = nl80211_set_coalesce,
9964 .policy = nl80211_policy,
9965 .flags = GENL_ADMIN_PERM,
9966 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9967 NL80211_FLAG_NEED_RTNL,
9970 .cmd = NL80211_CMD_CHANNEL_SWITCH,
9971 .doit = nl80211_channel_switch,
9972 .policy = nl80211_policy,
9973 .flags = GENL_ADMIN_PERM,
9974 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9975 NL80211_FLAG_NEED_RTNL,
9978 .cmd = NL80211_CMD_VENDOR,
9979 .doit = nl80211_vendor_cmd,
9980 .policy = nl80211_policy,
9981 .flags = GENL_ADMIN_PERM,
9982 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9983 NL80211_FLAG_NEED_RTNL,
9986 .cmd = NL80211_CMD_SET_QOS_MAP,
9987 .doit = nl80211_set_qos_map,
9988 .policy = nl80211_policy,
9989 .flags = GENL_ADMIN_PERM,
9990 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9991 NL80211_FLAG_NEED_RTNL,
9995 /* notification functions */
9997 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
9999 struct sk_buff *msg;
10000 struct nl80211_dump_wiphy_state state = {};
10002 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10006 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
10011 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10012 NL80211_MCGRP_CONFIG, GFP_KERNEL);
10015 static int nl80211_add_scan_req(struct sk_buff *msg,
10016 struct cfg80211_registered_device *rdev)
10018 struct cfg80211_scan_request *req = rdev->scan_req;
10019 struct nlattr *nest;
10025 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
10027 goto nla_put_failure;
10028 for (i = 0; i < req->n_ssids; i++) {
10029 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
10030 goto nla_put_failure;
10032 nla_nest_end(msg, nest);
10034 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10036 goto nla_put_failure;
10037 for (i = 0; i < req->n_channels; i++) {
10038 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10039 goto nla_put_failure;
10041 nla_nest_end(msg, nest);
10044 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
10045 goto nla_put_failure;
10048 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
10049 goto nla_put_failure;
10056 static int nl80211_send_scan_msg(struct sk_buff *msg,
10057 struct cfg80211_registered_device *rdev,
10058 struct wireless_dev *wdev,
10059 u32 portid, u32 seq, int flags,
10064 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
10068 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10069 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10070 wdev->netdev->ifindex)) ||
10071 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10072 goto nla_put_failure;
10074 /* ignore errors and send incomplete event anyway */
10075 nl80211_add_scan_req(msg, rdev);
10077 return genlmsg_end(msg, hdr);
10080 genlmsg_cancel(msg, hdr);
10085 nl80211_send_sched_scan_msg(struct sk_buff *msg,
10086 struct cfg80211_registered_device *rdev,
10087 struct net_device *netdev,
10088 u32 portid, u32 seq, int flags, u32 cmd)
10092 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
10096 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10097 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10098 goto nla_put_failure;
10100 return genlmsg_end(msg, hdr);
10103 genlmsg_cancel(msg, hdr);
10107 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
10108 struct wireless_dev *wdev)
10110 struct sk_buff *msg;
10112 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10116 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
10117 NL80211_CMD_TRIGGER_SCAN) < 0) {
10122 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10123 NL80211_MCGRP_SCAN, GFP_KERNEL);
10126 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
10127 struct wireless_dev *wdev, bool aborted)
10129 struct sk_buff *msg;
10131 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10135 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
10136 aborted ? NL80211_CMD_SCAN_ABORTED :
10137 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
10145 void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
10146 struct sk_buff *msg)
10151 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10152 NL80211_MCGRP_SCAN, GFP_KERNEL);
10155 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
10156 struct net_device *netdev)
10158 struct sk_buff *msg;
10160 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10164 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
10165 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
10170 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10171 NL80211_MCGRP_SCAN, GFP_KERNEL);
10174 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
10175 struct net_device *netdev, u32 cmd)
10177 struct sk_buff *msg;
10179 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10183 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
10188 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10189 NL80211_MCGRP_SCAN, GFP_KERNEL);
10193 * This can happen on global regulatory changes or device specific settings
10194 * based on custom world regulatory domains.
10196 void nl80211_send_reg_change_event(struct regulatory_request *request)
10198 struct sk_buff *msg;
10201 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10205 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
10211 /* Userspace can always count this one always being set */
10212 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
10213 goto nla_put_failure;
10215 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
10216 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10217 NL80211_REGDOM_TYPE_WORLD))
10218 goto nla_put_failure;
10219 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
10220 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10221 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
10222 goto nla_put_failure;
10223 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
10224 request->intersect) {
10225 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10226 NL80211_REGDOM_TYPE_INTERSECTION))
10227 goto nla_put_failure;
10229 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10230 NL80211_REGDOM_TYPE_COUNTRY) ||
10231 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
10233 goto nla_put_failure;
10236 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
10237 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
10238 goto nla_put_failure;
10240 genlmsg_end(msg, hdr);
10243 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
10244 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
10250 genlmsg_cancel(msg, hdr);
10254 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
10255 struct net_device *netdev,
10256 const u8 *buf, size_t len,
10257 enum nl80211_commands cmd, gfp_t gfp)
10259 struct sk_buff *msg;
10262 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10266 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10272 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10273 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10274 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
10275 goto nla_put_failure;
10277 genlmsg_end(msg, hdr);
10279 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10280 NL80211_MCGRP_MLME, gfp);
10284 genlmsg_cancel(msg, hdr);
10288 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
10289 struct net_device *netdev, const u8 *buf,
10290 size_t len, gfp_t gfp)
10292 nl80211_send_mlme_event(rdev, netdev, buf, len,
10293 NL80211_CMD_AUTHENTICATE, gfp);
10296 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
10297 struct net_device *netdev, const u8 *buf,
10298 size_t len, gfp_t gfp)
10300 nl80211_send_mlme_event(rdev, netdev, buf, len,
10301 NL80211_CMD_ASSOCIATE, gfp);
10304 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
10305 struct net_device *netdev, const u8 *buf,
10306 size_t len, gfp_t gfp)
10308 nl80211_send_mlme_event(rdev, netdev, buf, len,
10309 NL80211_CMD_DEAUTHENTICATE, gfp);
10312 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
10313 struct net_device *netdev, const u8 *buf,
10314 size_t len, gfp_t gfp)
10316 nl80211_send_mlme_event(rdev, netdev, buf, len,
10317 NL80211_CMD_DISASSOCIATE, gfp);
10320 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
10323 struct wireless_dev *wdev = dev->ieee80211_ptr;
10324 struct wiphy *wiphy = wdev->wiphy;
10325 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10326 const struct ieee80211_mgmt *mgmt = (void *)buf;
10329 if (WARN_ON(len < 2))
10332 if (ieee80211_is_deauth(mgmt->frame_control))
10333 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
10335 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
10337 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
10338 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC);
10340 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
10342 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
10343 struct net_device *netdev, int cmd,
10344 const u8 *addr, gfp_t gfp)
10346 struct sk_buff *msg;
10349 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10353 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10359 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10360 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10361 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
10362 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10363 goto nla_put_failure;
10365 genlmsg_end(msg, hdr);
10367 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10368 NL80211_MCGRP_MLME, gfp);
10372 genlmsg_cancel(msg, hdr);
10376 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
10377 struct net_device *netdev, const u8 *addr,
10380 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
10384 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
10385 struct net_device *netdev, const u8 *addr,
10388 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
10392 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
10393 struct net_device *netdev, const u8 *bssid,
10394 const u8 *req_ie, size_t req_ie_len,
10395 const u8 *resp_ie, size_t resp_ie_len,
10396 u16 status, gfp_t gfp)
10398 struct sk_buff *msg;
10401 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10405 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
10411 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10412 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10413 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
10414 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
10416 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10418 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10419 goto nla_put_failure;
10421 genlmsg_end(msg, hdr);
10423 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10424 NL80211_MCGRP_MLME, gfp);
10428 genlmsg_cancel(msg, hdr);
10433 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
10434 struct net_device *netdev, const u8 *bssid,
10435 const u8 *req_ie, size_t req_ie_len,
10436 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
10438 struct sk_buff *msg;
10441 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10445 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
10451 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10452 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10453 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
10455 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10457 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10458 goto nla_put_failure;
10460 genlmsg_end(msg, hdr);
10462 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10463 NL80211_MCGRP_MLME, gfp);
10467 genlmsg_cancel(msg, hdr);
10472 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
10473 struct net_device *netdev, u16 reason,
10474 const u8 *ie, size_t ie_len, bool from_ap)
10476 struct sk_buff *msg;
10479 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10483 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
10489 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10490 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10491 (from_ap && reason &&
10492 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
10494 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
10495 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
10496 goto nla_put_failure;
10498 genlmsg_end(msg, hdr);
10500 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10501 NL80211_MCGRP_MLME, GFP_KERNEL);
10505 genlmsg_cancel(msg, hdr);
10510 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
10511 struct net_device *netdev, const u8 *bssid,
10514 struct sk_buff *msg;
10517 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10521 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
10527 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10528 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10529 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10530 goto nla_put_failure;
10532 genlmsg_end(msg, hdr);
10534 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10535 NL80211_MCGRP_MLME, gfp);
10539 genlmsg_cancel(msg, hdr);
10543 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
10544 const u8* ie, u8 ie_len, gfp_t gfp)
10546 struct wireless_dev *wdev = dev->ieee80211_ptr;
10547 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10548 struct sk_buff *msg;
10551 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
10554 trace_cfg80211_notify_new_peer_candidate(dev, addr);
10556 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10560 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
10566 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10567 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10568 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10570 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
10571 goto nla_put_failure;
10573 genlmsg_end(msg, hdr);
10575 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10576 NL80211_MCGRP_MLME, gfp);
10580 genlmsg_cancel(msg, hdr);
10583 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
10585 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
10586 struct net_device *netdev, const u8 *addr,
10587 enum nl80211_key_type key_type, int key_id,
10588 const u8 *tsc, gfp_t gfp)
10590 struct sk_buff *msg;
10593 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10597 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
10603 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10604 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10605 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
10606 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
10608 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
10609 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
10610 goto nla_put_failure;
10612 genlmsg_end(msg, hdr);
10614 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10615 NL80211_MCGRP_MLME, gfp);
10619 genlmsg_cancel(msg, hdr);
10623 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
10624 struct ieee80211_channel *channel_before,
10625 struct ieee80211_channel *channel_after)
10627 struct sk_buff *msg;
10629 struct nlattr *nl_freq;
10631 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
10635 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
10642 * Since we are applying the beacon hint to a wiphy we know its
10643 * wiphy_idx is valid
10645 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
10646 goto nla_put_failure;
10649 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
10651 goto nla_put_failure;
10652 if (nl80211_msg_put_channel(msg, channel_before, false))
10653 goto nla_put_failure;
10654 nla_nest_end(msg, nl_freq);
10657 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
10659 goto nla_put_failure;
10660 if (nl80211_msg_put_channel(msg, channel_after, false))
10661 goto nla_put_failure;
10662 nla_nest_end(msg, nl_freq);
10664 genlmsg_end(msg, hdr);
10667 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
10668 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
10674 genlmsg_cancel(msg, hdr);
10678 static void nl80211_send_remain_on_chan_event(
10679 int cmd, struct cfg80211_registered_device *rdev,
10680 struct wireless_dev *wdev, u64 cookie,
10681 struct ieee80211_channel *chan,
10682 unsigned int duration, gfp_t gfp)
10684 struct sk_buff *msg;
10687 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10691 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10697 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10698 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10699 wdev->netdev->ifindex)) ||
10700 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10701 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
10702 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10703 NL80211_CHAN_NO_HT) ||
10704 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
10705 goto nla_put_failure;
10707 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
10708 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
10709 goto nla_put_failure;
10711 genlmsg_end(msg, hdr);
10713 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10714 NL80211_MCGRP_MLME, gfp);
10718 genlmsg_cancel(msg, hdr);
10722 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
10723 struct ieee80211_channel *chan,
10724 unsigned int duration, gfp_t gfp)
10726 struct wiphy *wiphy = wdev->wiphy;
10727 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10729 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
10730 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
10731 rdev, wdev, cookie, chan,
10734 EXPORT_SYMBOL(cfg80211_ready_on_channel);
10736 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
10737 struct ieee80211_channel *chan,
10740 struct wiphy *wiphy = wdev->wiphy;
10741 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10743 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
10744 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
10745 rdev, wdev, cookie, chan, 0, gfp);
10747 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
10749 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
10750 struct station_info *sinfo, gfp_t gfp)
10752 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10753 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10754 struct sk_buff *msg;
10756 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
10758 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10762 if (nl80211_send_station(msg, 0, 0, 0,
10763 rdev, dev, mac_addr, sinfo) < 0) {
10768 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10769 NL80211_MCGRP_MLME, gfp);
10771 EXPORT_SYMBOL(cfg80211_new_sta);
10773 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
10775 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10776 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10777 struct sk_buff *msg;
10780 trace_cfg80211_del_sta(dev, mac_addr);
10782 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10786 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
10792 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10793 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
10794 goto nla_put_failure;
10796 genlmsg_end(msg, hdr);
10798 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10799 NL80211_MCGRP_MLME, gfp);
10803 genlmsg_cancel(msg, hdr);
10806 EXPORT_SYMBOL(cfg80211_del_sta);
10808 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
10809 enum nl80211_connect_failed_reason reason,
10812 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10813 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10814 struct sk_buff *msg;
10817 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10821 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
10827 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10828 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
10829 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
10830 goto nla_put_failure;
10832 genlmsg_end(msg, hdr);
10834 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10835 NL80211_MCGRP_MLME, gfp);
10839 genlmsg_cancel(msg, hdr);
10842 EXPORT_SYMBOL(cfg80211_conn_failed);
10844 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
10845 const u8 *addr, gfp_t gfp)
10847 struct wireless_dev *wdev = dev->ieee80211_ptr;
10848 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10849 struct sk_buff *msg;
10851 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
10856 msg = nlmsg_new(100, gfp);
10860 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10866 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10867 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10868 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10869 goto nla_put_failure;
10871 genlmsg_end(msg, hdr);
10872 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10876 genlmsg_cancel(msg, hdr);
10881 bool cfg80211_rx_spurious_frame(struct net_device *dev,
10882 const u8 *addr, gfp_t gfp)
10884 struct wireless_dev *wdev = dev->ieee80211_ptr;
10887 trace_cfg80211_rx_spurious_frame(dev, addr);
10889 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10890 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
10891 trace_cfg80211_return_bool(false);
10894 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
10896 trace_cfg80211_return_bool(ret);
10899 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
10901 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
10902 const u8 *addr, gfp_t gfp)
10904 struct wireless_dev *wdev = dev->ieee80211_ptr;
10907 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
10909 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10910 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10911 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
10912 trace_cfg80211_return_bool(false);
10915 ret = __nl80211_unexpected_frame(dev,
10916 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
10918 trace_cfg80211_return_bool(ret);
10921 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
10923 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
10924 struct wireless_dev *wdev, u32 nlportid,
10925 int freq, int sig_dbm,
10926 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
10928 struct net_device *netdev = wdev->netdev;
10929 struct sk_buff *msg;
10932 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10936 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10942 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10943 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10944 netdev->ifindex)) ||
10945 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10946 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
10948 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10949 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10951 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
10952 goto nla_put_failure;
10954 genlmsg_end(msg, hdr);
10956 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10959 genlmsg_cancel(msg, hdr);
10964 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
10965 const u8 *buf, size_t len, bool ack, gfp_t gfp)
10967 struct wiphy *wiphy = wdev->wiphy;
10968 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10969 struct net_device *netdev = wdev->netdev;
10970 struct sk_buff *msg;
10973 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
10975 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10979 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
10985 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10986 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10987 netdev->ifindex)) ||
10988 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10989 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10990 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10991 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
10992 goto nla_put_failure;
10994 genlmsg_end(msg, hdr);
10996 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10997 NL80211_MCGRP_MLME, gfp);
11001 genlmsg_cancel(msg, hdr);
11004 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
11006 void cfg80211_cqm_rssi_notify(struct net_device *dev,
11007 enum nl80211_cqm_rssi_threshold_event rssi_event,
11010 struct wireless_dev *wdev = dev->ieee80211_ptr;
11011 struct wiphy *wiphy = wdev->wiphy;
11012 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11013 struct sk_buff *msg;
11014 struct nlattr *pinfoattr;
11017 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
11019 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11023 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11029 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11030 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
11031 goto nla_put_failure;
11033 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11035 goto nla_put_failure;
11037 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
11039 goto nla_put_failure;
11041 nla_nest_end(msg, pinfoattr);
11043 genlmsg_end(msg, hdr);
11045 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11046 NL80211_MCGRP_MLME, gfp);
11050 genlmsg_cancel(msg, hdr);
11053 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
11055 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
11056 struct net_device *netdev, const u8 *bssid,
11057 const u8 *replay_ctr, gfp_t gfp)
11059 struct sk_buff *msg;
11060 struct nlattr *rekey_attr;
11063 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11067 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
11073 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11074 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11075 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
11076 goto nla_put_failure;
11078 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
11080 goto nla_put_failure;
11082 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
11083 NL80211_REPLAY_CTR_LEN, replay_ctr))
11084 goto nla_put_failure;
11086 nla_nest_end(msg, rekey_attr);
11088 genlmsg_end(msg, hdr);
11090 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11091 NL80211_MCGRP_MLME, gfp);
11095 genlmsg_cancel(msg, hdr);
11099 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
11100 const u8 *replay_ctr, gfp_t gfp)
11102 struct wireless_dev *wdev = dev->ieee80211_ptr;
11103 struct wiphy *wiphy = wdev->wiphy;
11104 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11106 trace_cfg80211_gtk_rekey_notify(dev, bssid);
11107 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
11109 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
11112 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
11113 struct net_device *netdev, int index,
11114 const u8 *bssid, bool preauth, gfp_t gfp)
11116 struct sk_buff *msg;
11117 struct nlattr *attr;
11120 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11124 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
11130 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11131 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
11132 goto nla_put_failure;
11134 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
11136 goto nla_put_failure;
11138 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
11139 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
11141 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
11142 goto nla_put_failure;
11144 nla_nest_end(msg, attr);
11146 genlmsg_end(msg, hdr);
11148 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11149 NL80211_MCGRP_MLME, gfp);
11153 genlmsg_cancel(msg, hdr);
11157 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
11158 const u8 *bssid, bool preauth, gfp_t gfp)
11160 struct wireless_dev *wdev = dev->ieee80211_ptr;
11161 struct wiphy *wiphy = wdev->wiphy;
11162 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11164 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
11165 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
11167 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
11169 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
11170 struct net_device *netdev,
11171 struct cfg80211_chan_def *chandef,
11174 struct sk_buff *msg;
11177 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11181 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
11187 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
11188 goto nla_put_failure;
11190 if (nl80211_send_chandef(msg, chandef))
11191 goto nla_put_failure;
11193 genlmsg_end(msg, hdr);
11195 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11196 NL80211_MCGRP_MLME, gfp);
11200 genlmsg_cancel(msg, hdr);
11204 void cfg80211_ch_switch_notify(struct net_device *dev,
11205 struct cfg80211_chan_def *chandef)
11207 struct wireless_dev *wdev = dev->ieee80211_ptr;
11208 struct wiphy *wiphy = wdev->wiphy;
11209 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11211 ASSERT_WDEV_LOCK(wdev);
11213 trace_cfg80211_ch_switch_notify(dev, chandef);
11215 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
11216 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
11217 wdev->iftype != NL80211_IFTYPE_ADHOC &&
11218 wdev->iftype != NL80211_IFTYPE_MESH_POINT))
11221 wdev->chandef = *chandef;
11222 wdev->preset_chandef = *chandef;
11223 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
11225 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
11227 void cfg80211_cqm_txe_notify(struct net_device *dev,
11228 const u8 *peer, u32 num_packets,
11229 u32 rate, u32 intvl, gfp_t gfp)
11231 struct wireless_dev *wdev = dev->ieee80211_ptr;
11232 struct wiphy *wiphy = wdev->wiphy;
11233 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11234 struct sk_buff *msg;
11235 struct nlattr *pinfoattr;
11238 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
11242 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11248 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11249 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11250 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
11251 goto nla_put_failure;
11253 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11255 goto nla_put_failure;
11257 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
11258 goto nla_put_failure;
11260 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
11261 goto nla_put_failure;
11263 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
11264 goto nla_put_failure;
11266 nla_nest_end(msg, pinfoattr);
11268 genlmsg_end(msg, hdr);
11270 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11271 NL80211_MCGRP_MLME, gfp);
11275 genlmsg_cancel(msg, hdr);
11278 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
11281 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
11282 const struct cfg80211_chan_def *chandef,
11283 enum nl80211_radar_event event,
11284 struct net_device *netdev, gfp_t gfp)
11286 struct sk_buff *msg;
11289 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11293 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
11299 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11300 goto nla_put_failure;
11302 /* NOP and radar events don't need a netdev parameter */
11304 struct wireless_dev *wdev = netdev->ieee80211_ptr;
11306 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11307 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11308 goto nla_put_failure;
11311 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
11312 goto nla_put_failure;
11314 if (nl80211_send_chandef(msg, chandef))
11315 goto nla_put_failure;
11317 genlmsg_end(msg, hdr);
11319 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11320 NL80211_MCGRP_MLME, gfp);
11324 genlmsg_cancel(msg, hdr);
11328 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
11329 const u8 *peer, u32 num_packets, gfp_t gfp)
11331 struct wireless_dev *wdev = dev->ieee80211_ptr;
11332 struct wiphy *wiphy = wdev->wiphy;
11333 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11334 struct sk_buff *msg;
11335 struct nlattr *pinfoattr;
11338 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
11340 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11344 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11350 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11351 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11352 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
11353 goto nla_put_failure;
11355 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11357 goto nla_put_failure;
11359 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
11360 goto nla_put_failure;
11362 nla_nest_end(msg, pinfoattr);
11364 genlmsg_end(msg, hdr);
11366 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11367 NL80211_MCGRP_MLME, gfp);
11371 genlmsg_cancel(msg, hdr);
11374 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
11376 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
11377 u64 cookie, bool acked, gfp_t gfp)
11379 struct wireless_dev *wdev = dev->ieee80211_ptr;
11380 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11381 struct sk_buff *msg;
11384 trace_cfg80211_probe_status(dev, addr, cookie, acked);
11386 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11391 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
11397 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11398 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11399 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
11400 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
11401 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
11402 goto nla_put_failure;
11404 genlmsg_end(msg, hdr);
11406 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11407 NL80211_MCGRP_MLME, gfp);
11411 genlmsg_cancel(msg, hdr);
11414 EXPORT_SYMBOL(cfg80211_probe_status);
11416 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
11417 const u8 *frame, size_t len,
11418 int freq, int sig_dbm)
11420 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11421 struct sk_buff *msg;
11423 struct cfg80211_beacon_registration *reg;
11425 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
11427 spin_lock_bh(&rdev->beacon_registrations_lock);
11428 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11429 msg = nlmsg_new(len + 100, GFP_ATOMIC);
11431 spin_unlock_bh(&rdev->beacon_registrations_lock);
11435 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
11437 goto nla_put_failure;
11439 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11441 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
11443 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
11444 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
11445 goto nla_put_failure;
11447 genlmsg_end(msg, hdr);
11449 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
11451 spin_unlock_bh(&rdev->beacon_registrations_lock);
11455 spin_unlock_bh(&rdev->beacon_registrations_lock);
11457 genlmsg_cancel(msg, hdr);
11460 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
11463 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
11464 struct cfg80211_wowlan_wakeup *wakeup,
11467 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11468 struct sk_buff *msg;
11472 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
11475 size += wakeup->packet_present_len;
11477 msg = nlmsg_new(size, gfp);
11481 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
11485 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11486 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11489 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11490 wdev->netdev->ifindex))
11494 struct nlattr *reasons;
11496 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
11500 if (wakeup->disconnect &&
11501 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
11503 if (wakeup->magic_pkt &&
11504 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
11506 if (wakeup->gtk_rekey_failure &&
11507 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
11509 if (wakeup->eap_identity_req &&
11510 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
11512 if (wakeup->four_way_handshake &&
11513 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
11515 if (wakeup->rfkill_release &&
11516 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
11519 if (wakeup->pattern_idx >= 0 &&
11520 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
11521 wakeup->pattern_idx))
11524 if (wakeup->tcp_match &&
11525 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
11528 if (wakeup->tcp_connlost &&
11529 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
11532 if (wakeup->tcp_nomoretokens &&
11534 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
11537 if (wakeup->packet) {
11538 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
11539 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
11541 if (!wakeup->packet_80211) {
11543 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
11545 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
11548 if (wakeup->packet_len &&
11549 nla_put_u32(msg, len_attr, wakeup->packet_len))
11552 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
11557 nla_nest_end(msg, reasons);
11560 genlmsg_end(msg, hdr);
11562 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11563 NL80211_MCGRP_MLME, gfp);
11569 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
11572 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
11573 enum nl80211_tdls_operation oper,
11574 u16 reason_code, gfp_t gfp)
11576 struct wireless_dev *wdev = dev->ieee80211_ptr;
11577 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11578 struct sk_buff *msg;
11581 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
11584 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11588 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
11594 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11595 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11596 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
11597 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
11598 (reason_code > 0 &&
11599 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
11600 goto nla_put_failure;
11602 genlmsg_end(msg, hdr);
11604 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11605 NL80211_MCGRP_MLME, gfp);
11609 genlmsg_cancel(msg, hdr);
11612 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
11614 static int nl80211_netlink_notify(struct notifier_block * nb,
11615 unsigned long state,
11618 struct netlink_notify *notify = _notify;
11619 struct cfg80211_registered_device *rdev;
11620 struct wireless_dev *wdev;
11621 struct cfg80211_beacon_registration *reg, *tmp;
11623 if (state != NETLINK_URELEASE)
11624 return NOTIFY_DONE;
11628 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
11629 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
11630 cfg80211_mlme_unregister_socket(wdev, notify->portid);
11632 spin_lock_bh(&rdev->beacon_registrations_lock);
11633 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
11635 if (reg->nlportid == notify->portid) {
11636 list_del(®->list);
11641 spin_unlock_bh(&rdev->beacon_registrations_lock);
11646 return NOTIFY_DONE;
11649 static struct notifier_block nl80211_netlink_notifier = {
11650 .notifier_call = nl80211_netlink_notify,
11653 void cfg80211_ft_event(struct net_device *netdev,
11654 struct cfg80211_ft_event_params *ft_event)
11656 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
11657 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11658 struct sk_buff *msg;
11661 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
11663 if (!ft_event->target_ap)
11666 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11670 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
11674 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11675 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11676 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
11679 if (ft_event->ies &&
11680 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
11682 if (ft_event->ric_ies &&
11683 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
11684 ft_event->ric_ies))
11687 genlmsg_end(msg, hdr);
11689 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11690 NL80211_MCGRP_MLME, GFP_KERNEL);
11695 EXPORT_SYMBOL(cfg80211_ft_event);
11697 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
11699 struct cfg80211_registered_device *rdev;
11700 struct sk_buff *msg;
11704 rdev = wiphy_to_dev(wdev->wiphy);
11705 if (!rdev->crit_proto_nlportid)
11708 nlportid = rdev->crit_proto_nlportid;
11709 rdev->crit_proto_nlportid = 0;
11711 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11715 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
11717 goto nla_put_failure;
11719 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11720 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11721 goto nla_put_failure;
11723 genlmsg_end(msg, hdr);
11725 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
11730 genlmsg_cancel(msg, hdr);
11734 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
11736 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
11738 struct wiphy *wiphy = wdev->wiphy;
11739 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11740 struct sk_buff *msg;
11743 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11747 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
11751 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11752 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
11753 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11756 genlmsg_end(msg, hdr);
11758 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
11759 NL80211_MCGRP_MLME, GFP_KERNEL);
11765 /* initialisation/exit functions */
11767 int nl80211_init(void)
11771 err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops,
11776 err = netlink_register_notifier(&nl80211_netlink_notifier);
11782 genl_unregister_family(&nl80211_fam);
11786 void nl80211_exit(void)
11788 netlink_unregister_notifier(&nl80211_netlink_notifier);
11789 genl_unregister_family(&nl80211_fam);