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 switch (dev->ieee80211_ptr->iftype) {
5917 case NL80211_IFTYPE_AP:
5918 case NL80211_IFTYPE_P2P_GO:
5919 case NL80211_IFTYPE_ADHOC:
5920 case NL80211_IFTYPE_MESH_POINT:
5921 err = cfg80211_chandef_dfs_required(wdev->wiphy,
5926 radar_detect_width = BIT(params.chandef.width);
5927 params.radar_required = true;
5934 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5935 params.chandef.chan,
5937 radar_detect_width);
5941 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
5942 params.block_tx = true;
5945 err = rdev_channel_switch(rdev, dev, ¶ms);
5951 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5953 struct cfg80211_registered_device *rdev,
5954 struct wireless_dev *wdev,
5955 struct cfg80211_internal_bss *intbss)
5957 struct cfg80211_bss *res = &intbss->pub;
5958 const struct cfg80211_bss_ies *ies;
5963 ASSERT_WDEV_LOCK(wdev);
5965 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5966 NL80211_CMD_NEW_SCAN_RESULTS);
5970 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5972 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
5973 goto nla_put_failure;
5975 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5976 goto nla_put_failure;
5977 if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
5978 goto nla_put_failure;
5980 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5982 goto nla_put_failure;
5983 if ((!is_zero_ether_addr(res->bssid) &&
5984 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5985 goto nla_put_failure;
5988 ies = rcu_dereference(res->ies);
5990 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5991 goto fail_unlock_rcu;
5993 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5994 ies->len, ies->data))
5995 goto fail_unlock_rcu;
5997 ies = rcu_dereference(res->beacon_ies);
5999 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
6000 goto fail_unlock_rcu;
6001 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
6002 ies->len, ies->data))
6003 goto fail_unlock_rcu;
6007 if (res->beacon_interval &&
6008 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
6009 goto nla_put_failure;
6010 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
6011 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
6012 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
6013 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
6014 jiffies_to_msecs(jiffies - intbss->ts)))
6015 goto nla_put_failure;
6017 switch (rdev->wiphy.signal_type) {
6018 case CFG80211_SIGNAL_TYPE_MBM:
6019 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
6020 goto nla_put_failure;
6022 case CFG80211_SIGNAL_TYPE_UNSPEC:
6023 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
6024 goto nla_put_failure;
6030 switch (wdev->iftype) {
6031 case NL80211_IFTYPE_P2P_CLIENT:
6032 case NL80211_IFTYPE_STATION:
6033 if (intbss == wdev->current_bss &&
6034 nla_put_u32(msg, NL80211_BSS_STATUS,
6035 NL80211_BSS_STATUS_ASSOCIATED))
6036 goto nla_put_failure;
6038 case NL80211_IFTYPE_ADHOC:
6039 if (intbss == wdev->current_bss &&
6040 nla_put_u32(msg, NL80211_BSS_STATUS,
6041 NL80211_BSS_STATUS_IBSS_JOINED))
6042 goto nla_put_failure;
6048 nla_nest_end(msg, bss);
6050 return genlmsg_end(msg, hdr);
6055 genlmsg_cancel(msg, hdr);
6059 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
6061 struct cfg80211_registered_device *rdev;
6062 struct cfg80211_internal_bss *scan;
6063 struct wireless_dev *wdev;
6064 int start = cb->args[2], idx = 0;
6067 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
6072 spin_lock_bh(&rdev->bss_lock);
6073 cfg80211_bss_expire(rdev);
6075 cb->seq = rdev->bss_generation;
6077 list_for_each_entry(scan, &rdev->bss_list, list) {
6080 if (nl80211_send_bss(skb, cb,
6081 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6082 rdev, wdev, scan) < 0) {
6088 spin_unlock_bh(&rdev->bss_lock);
6092 nl80211_finish_wdev_dump(rdev);
6097 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
6098 int flags, struct net_device *dev,
6099 struct survey_info *survey)
6102 struct nlattr *infoattr;
6104 hdr = nl80211hdr_put(msg, portid, seq, flags,
6105 NL80211_CMD_NEW_SURVEY_RESULTS);
6109 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
6110 goto nla_put_failure;
6112 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
6114 goto nla_put_failure;
6116 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
6117 survey->channel->center_freq))
6118 goto nla_put_failure;
6120 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
6121 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
6122 goto nla_put_failure;
6123 if ((survey->filled & SURVEY_INFO_IN_USE) &&
6124 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
6125 goto nla_put_failure;
6126 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
6127 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
6128 survey->channel_time))
6129 goto nla_put_failure;
6130 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
6131 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
6132 survey->channel_time_busy))
6133 goto nla_put_failure;
6134 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
6135 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
6136 survey->channel_time_ext_busy))
6137 goto nla_put_failure;
6138 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
6139 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
6140 survey->channel_time_rx))
6141 goto nla_put_failure;
6142 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
6143 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
6144 survey->channel_time_tx))
6145 goto nla_put_failure;
6147 nla_nest_end(msg, infoattr);
6149 return genlmsg_end(msg, hdr);
6152 genlmsg_cancel(msg, hdr);
6156 static int nl80211_dump_survey(struct sk_buff *skb,
6157 struct netlink_callback *cb)
6159 struct survey_info survey;
6160 struct cfg80211_registered_device *dev;
6161 struct wireless_dev *wdev;
6162 int survey_idx = cb->args[2];
6165 res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
6169 if (!wdev->netdev) {
6174 if (!dev->ops->dump_survey) {
6180 struct ieee80211_channel *chan;
6182 res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey);
6188 /* Survey without a channel doesn't make sense */
6189 if (!survey.channel) {
6194 chan = ieee80211_get_channel(&dev->wiphy,
6195 survey.channel->center_freq);
6196 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
6201 if (nl80211_send_survey(skb,
6202 NETLINK_CB(cb->skb).portid,
6203 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6204 wdev->netdev, &survey) < 0)
6210 cb->args[2] = survey_idx;
6213 nl80211_finish_wdev_dump(dev);
6217 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
6219 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
6220 NL80211_WPA_VERSION_2));
6223 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
6225 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6226 struct net_device *dev = info->user_ptr[1];
6227 struct ieee80211_channel *chan;
6228 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
6229 int err, ssid_len, ie_len = 0, sae_data_len = 0;
6230 enum nl80211_auth_type auth_type;
6231 struct key_parse key;
6232 bool local_state_change;
6234 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6237 if (!info->attrs[NL80211_ATTR_MAC])
6240 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
6243 if (!info->attrs[NL80211_ATTR_SSID])
6246 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
6249 err = nl80211_parse_key(info, &key);
6254 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
6256 if (!key.p.key || !key.p.key_len)
6258 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
6259 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
6260 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
6261 key.p.key_len != WLAN_KEY_LEN_WEP104))
6273 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
6274 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
6283 if (!rdev->ops->auth)
6286 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6287 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6290 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6291 chan = nl80211_get_valid_chan(&rdev->wiphy,
6292 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6296 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6297 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6299 if (info->attrs[NL80211_ATTR_IE]) {
6300 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6301 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6304 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6305 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
6308 if (auth_type == NL80211_AUTHTYPE_SAE &&
6309 !info->attrs[NL80211_ATTR_SAE_DATA])
6312 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
6313 if (auth_type != NL80211_AUTHTYPE_SAE)
6315 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
6316 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
6317 /* need to include at least Auth Transaction and Status Code */
6318 if (sae_data_len < 4)
6322 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6325 * Since we no longer track auth state, ignore
6326 * requests to only change local state.
6328 if (local_state_change)
6331 wdev_lock(dev->ieee80211_ptr);
6332 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
6333 ssid, ssid_len, ie, ie_len,
6334 key.p.key, key.p.key_len, key.idx,
6335 sae_data, sae_data_len);
6336 wdev_unlock(dev->ieee80211_ptr);
6340 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
6341 struct genl_info *info,
6342 struct cfg80211_crypto_settings *settings,
6345 memset(settings, 0, sizeof(*settings));
6347 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
6349 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
6351 proto = nla_get_u16(
6352 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
6353 settings->control_port_ethertype = cpu_to_be16(proto);
6354 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
6357 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
6358 settings->control_port_no_encrypt = true;
6360 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
6362 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
6366 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6367 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6368 settings->n_ciphers_pairwise = len / sizeof(u32);
6370 if (len % sizeof(u32))
6373 if (settings->n_ciphers_pairwise > cipher_limit)
6376 memcpy(settings->ciphers_pairwise, data, len);
6378 for (i = 0; i < settings->n_ciphers_pairwise; i++)
6379 if (!cfg80211_supported_cipher_suite(
6381 settings->ciphers_pairwise[i]))
6385 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
6386 settings->cipher_group =
6387 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
6388 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
6389 settings->cipher_group))
6393 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
6394 settings->wpa_versions =
6395 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
6396 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
6400 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
6404 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
6405 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
6406 settings->n_akm_suites = len / sizeof(u32);
6408 if (len % sizeof(u32))
6411 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6414 memcpy(settings->akm_suites, data, len);
6420 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6422 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6423 struct net_device *dev = info->user_ptr[1];
6424 struct ieee80211_channel *chan;
6425 struct cfg80211_assoc_request req = {};
6426 const u8 *bssid, *ssid;
6427 int err, ssid_len = 0;
6429 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6432 if (!info->attrs[NL80211_ATTR_MAC] ||
6433 !info->attrs[NL80211_ATTR_SSID] ||
6434 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6437 if (!rdev->ops->assoc)
6440 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6441 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6444 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6446 chan = nl80211_get_valid_chan(&rdev->wiphy,
6447 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
6451 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6452 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6454 if (info->attrs[NL80211_ATTR_IE]) {
6455 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6456 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6459 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6460 enum nl80211_mfp mfp =
6461 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6462 if (mfp == NL80211_MFP_REQUIRED)
6464 else if (mfp != NL80211_MFP_NO)
6468 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6469 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6471 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6472 req.flags |= ASSOC_REQ_DISABLE_HT;
6474 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6475 memcpy(&req.ht_capa_mask,
6476 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6477 sizeof(req.ht_capa_mask));
6479 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6480 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6482 memcpy(&req.ht_capa,
6483 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6484 sizeof(req.ht_capa));
6487 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6488 req.flags |= ASSOC_REQ_DISABLE_VHT;
6490 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6491 memcpy(&req.vht_capa_mask,
6492 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6493 sizeof(req.vht_capa_mask));
6495 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6496 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6498 memcpy(&req.vht_capa,
6499 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6500 sizeof(req.vht_capa));
6503 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6505 wdev_lock(dev->ieee80211_ptr);
6506 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6507 ssid, ssid_len, &req);
6508 wdev_unlock(dev->ieee80211_ptr);
6514 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6516 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6517 struct net_device *dev = info->user_ptr[1];
6518 const u8 *ie = NULL, *bssid;
6519 int ie_len = 0, err;
6521 bool local_state_change;
6523 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6526 if (!info->attrs[NL80211_ATTR_MAC])
6529 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6532 if (!rdev->ops->deauth)
6535 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6536 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6539 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6541 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6542 if (reason_code == 0) {
6543 /* Reason Code 0 is reserved */
6547 if (info->attrs[NL80211_ATTR_IE]) {
6548 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6549 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6552 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6554 wdev_lock(dev->ieee80211_ptr);
6555 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6556 local_state_change);
6557 wdev_unlock(dev->ieee80211_ptr);
6561 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6563 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6564 struct net_device *dev = info->user_ptr[1];
6565 const u8 *ie = NULL, *bssid;
6566 int ie_len = 0, err;
6568 bool local_state_change;
6570 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6573 if (!info->attrs[NL80211_ATTR_MAC])
6576 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6579 if (!rdev->ops->disassoc)
6582 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6583 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6586 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6588 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6589 if (reason_code == 0) {
6590 /* Reason Code 0 is reserved */
6594 if (info->attrs[NL80211_ATTR_IE]) {
6595 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6596 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6599 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6601 wdev_lock(dev->ieee80211_ptr);
6602 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6603 local_state_change);
6604 wdev_unlock(dev->ieee80211_ptr);
6609 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6610 int mcast_rate[IEEE80211_NUM_BANDS],
6613 struct wiphy *wiphy = &rdev->wiphy;
6617 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6618 struct ieee80211_supported_band *sband;
6620 sband = wiphy->bands[band];
6624 for (i = 0; i < sband->n_bitrates; i++) {
6625 if (sband->bitrates[i].bitrate == rateval) {
6626 mcast_rate[band] = i + 1;
6636 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6638 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6639 struct net_device *dev = info->user_ptr[1];
6640 struct cfg80211_ibss_params ibss;
6641 struct wiphy *wiphy;
6642 struct cfg80211_cached_keys *connkeys = NULL;
6645 memset(&ibss, 0, sizeof(ibss));
6647 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6650 if (!info->attrs[NL80211_ATTR_SSID] ||
6651 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6654 ibss.beacon_interval = 100;
6656 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6657 ibss.beacon_interval =
6658 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6659 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6663 if (!rdev->ops->join_ibss)
6666 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6669 wiphy = &rdev->wiphy;
6671 if (info->attrs[NL80211_ATTR_MAC]) {
6672 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6674 if (!is_valid_ether_addr(ibss.bssid))
6677 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6678 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6680 if (info->attrs[NL80211_ATTR_IE]) {
6681 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6682 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6685 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6689 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6692 switch (ibss.chandef.width) {
6693 case NL80211_CHAN_WIDTH_5:
6694 case NL80211_CHAN_WIDTH_10:
6695 case NL80211_CHAN_WIDTH_20_NOHT:
6697 case NL80211_CHAN_WIDTH_20:
6698 case NL80211_CHAN_WIDTH_40:
6699 if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
6705 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6706 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6708 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6710 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6712 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6713 struct ieee80211_supported_band *sband =
6714 wiphy->bands[ibss.chandef.chan->band];
6716 err = ieee80211_get_ratemask(sband, rates, n_rates,
6722 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6723 memcpy(&ibss.ht_capa_mask,
6724 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6725 sizeof(ibss.ht_capa_mask));
6727 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6728 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6730 memcpy(&ibss.ht_capa,
6731 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6732 sizeof(ibss.ht_capa));
6735 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6736 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6737 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6740 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6743 connkeys = nl80211_parse_connkeys(rdev,
6744 info->attrs[NL80211_ATTR_KEYS],
6746 if (IS_ERR(connkeys))
6747 return PTR_ERR(connkeys);
6749 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6757 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6759 ibss.userspace_handles_dfs =
6760 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
6762 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6768 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6770 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6771 struct net_device *dev = info->user_ptr[1];
6773 if (!rdev->ops->leave_ibss)
6776 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6779 return cfg80211_leave_ibss(rdev, dev, false);
6782 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6784 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6785 struct net_device *dev = info->user_ptr[1];
6786 int mcast_rate[IEEE80211_NUM_BANDS];
6790 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6791 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6794 if (!rdev->ops->set_mcast_rate)
6797 memset(mcast_rate, 0, sizeof(mcast_rate));
6799 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6802 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6803 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6806 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6811 static struct sk_buff *
6812 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
6813 int approxlen, u32 portid, u32 seq,
6814 enum nl80211_commands cmd,
6815 enum nl80211_attrs attr,
6816 const struct nl80211_vendor_cmd_info *info,
6819 struct sk_buff *skb;
6821 struct nlattr *data;
6823 skb = nlmsg_new(approxlen + 100, gfp);
6827 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
6833 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6834 goto nla_put_failure;
6837 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
6839 goto nla_put_failure;
6840 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
6842 goto nla_put_failure;
6845 data = nla_nest_start(skb, attr);
6847 ((void **)skb->cb)[0] = rdev;
6848 ((void **)skb->cb)[1] = hdr;
6849 ((void **)skb->cb)[2] = data;
6858 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
6859 enum nl80211_commands cmd,
6860 enum nl80211_attrs attr,
6861 int vendor_event_idx,
6862 int approxlen, gfp_t gfp)
6864 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6865 const struct nl80211_vendor_cmd_info *info;
6868 case NL80211_CMD_TESTMODE:
6869 if (WARN_ON(vendor_event_idx != -1))
6873 case NL80211_CMD_VENDOR:
6874 if (WARN_ON(vendor_event_idx < 0 ||
6875 vendor_event_idx >= wiphy->n_vendor_events))
6877 info = &wiphy->vendor_events[vendor_event_idx];
6884 return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
6885 cmd, attr, info, gfp);
6887 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
6889 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
6891 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6892 void *hdr = ((void **)skb->cb)[1];
6893 struct nlattr *data = ((void **)skb->cb)[2];
6894 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
6896 nla_nest_end(skb, data);
6897 genlmsg_end(skb, hdr);
6899 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
6900 mcgrp = NL80211_MCGRP_VENDOR;
6902 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
6905 EXPORT_SYMBOL(__cfg80211_send_event_skb);
6907 #ifdef CONFIG_NL80211_TESTMODE
6908 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6910 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6911 struct wireless_dev *wdev =
6912 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
6915 if (!rdev->ops->testmode_cmd)
6919 err = PTR_ERR(wdev);
6923 } else if (wdev->wiphy != &rdev->wiphy) {
6927 if (!info->attrs[NL80211_ATTR_TESTDATA])
6930 rdev->cur_cmd_info = info;
6931 err = rdev_testmode_cmd(rdev, wdev,
6932 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6933 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6934 rdev->cur_cmd_info = NULL;
6939 static int nl80211_testmode_dump(struct sk_buff *skb,
6940 struct netlink_callback *cb)
6942 struct cfg80211_registered_device *rdev;
6952 * 0 is a valid index, but not valid for args[0],
6953 * so we need to offset by 1.
6955 phy_idx = cb->args[0] - 1;
6957 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6958 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6963 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6964 nl80211_fam.attrbuf);
6966 err = PTR_ERR(rdev);
6969 phy_idx = rdev->wiphy_idx;
6972 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6974 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6978 data = nla_data((void *)cb->args[1]);
6979 data_len = nla_len((void *)cb->args[1]);
6982 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6988 if (!rdev->ops->testmode_dump) {
6994 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6995 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6996 NL80211_CMD_TESTMODE);
6997 struct nlattr *tmdata;
7002 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
7003 genlmsg_cancel(skb, hdr);
7007 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
7009 genlmsg_cancel(skb, hdr);
7012 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
7013 nla_nest_end(skb, tmdata);
7015 if (err == -ENOBUFS || err == -ENOENT) {
7016 genlmsg_cancel(skb, hdr);
7019 genlmsg_cancel(skb, hdr);
7023 genlmsg_end(skb, hdr);
7028 cb->args[0] = phy_idx + 1;
7035 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
7037 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7038 struct net_device *dev = info->user_ptr[1];
7039 struct cfg80211_connect_params connect;
7040 struct wiphy *wiphy;
7041 struct cfg80211_cached_keys *connkeys = NULL;
7044 memset(&connect, 0, sizeof(connect));
7046 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7049 if (!info->attrs[NL80211_ATTR_SSID] ||
7050 !nla_len(info->attrs[NL80211_ATTR_SSID]))
7053 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
7055 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
7056 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
7057 NL80211_CMD_CONNECT))
7060 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
7062 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
7064 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
7065 NL80211_MAX_NR_CIPHER_SUITES);
7069 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7070 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7073 wiphy = &rdev->wiphy;
7075 connect.bg_scan_period = -1;
7076 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
7077 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
7078 connect.bg_scan_period =
7079 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
7082 if (info->attrs[NL80211_ATTR_MAC])
7083 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7084 else if (info->attrs[NL80211_ATTR_MAC_HINT])
7085 connect.bssid_hint =
7086 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
7087 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7088 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7090 if (info->attrs[NL80211_ATTR_IE]) {
7091 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7092 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7095 if (info->attrs[NL80211_ATTR_USE_MFP]) {
7096 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
7097 if (connect.mfp != NL80211_MFP_REQUIRED &&
7098 connect.mfp != NL80211_MFP_NO)
7101 connect.mfp = NL80211_MFP_NO;
7104 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7105 connect.channel = nl80211_get_valid_chan(
7106 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7107 if (!connect.channel)
7109 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
7110 connect.channel_hint = nl80211_get_valid_chan(
7111 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
7112 if (!connect.channel_hint)
7116 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
7117 connkeys = nl80211_parse_connkeys(rdev,
7118 info->attrs[NL80211_ATTR_KEYS], NULL);
7119 if (IS_ERR(connkeys))
7120 return PTR_ERR(connkeys);
7123 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
7124 connect.flags |= ASSOC_REQ_DISABLE_HT;
7126 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
7127 memcpy(&connect.ht_capa_mask,
7128 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7129 sizeof(connect.ht_capa_mask));
7131 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
7132 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
7136 memcpy(&connect.ht_capa,
7137 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7138 sizeof(connect.ht_capa));
7141 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
7142 connect.flags |= ASSOC_REQ_DISABLE_VHT;
7144 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
7145 memcpy(&connect.vht_capa_mask,
7146 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
7147 sizeof(connect.vht_capa_mask));
7149 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
7150 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
7154 memcpy(&connect.vht_capa,
7155 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
7156 sizeof(connect.vht_capa));
7159 wdev_lock(dev->ieee80211_ptr);
7160 err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
7161 wdev_unlock(dev->ieee80211_ptr);
7167 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
7169 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7170 struct net_device *dev = info->user_ptr[1];
7174 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7175 reason = WLAN_REASON_DEAUTH_LEAVING;
7177 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7182 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7183 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7186 wdev_lock(dev->ieee80211_ptr);
7187 ret = cfg80211_disconnect(rdev, dev, reason, true);
7188 wdev_unlock(dev->ieee80211_ptr);
7192 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
7194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7199 if (!info->attrs[NL80211_ATTR_PID])
7202 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
7204 net = get_net_ns_by_pid(pid);
7206 return PTR_ERR(net);
7210 /* check if anything to do */
7211 if (!net_eq(wiphy_net(&rdev->wiphy), net))
7212 err = cfg80211_switch_netns(rdev, net);
7218 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
7220 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7221 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
7222 struct cfg80211_pmksa *pmksa) = NULL;
7223 struct net_device *dev = info->user_ptr[1];
7224 struct cfg80211_pmksa pmksa;
7226 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
7228 if (!info->attrs[NL80211_ATTR_MAC])
7231 if (!info->attrs[NL80211_ATTR_PMKID])
7234 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
7235 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7237 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7238 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7241 switch (info->genlhdr->cmd) {
7242 case NL80211_CMD_SET_PMKSA:
7243 rdev_ops = rdev->ops->set_pmksa;
7245 case NL80211_CMD_DEL_PMKSA:
7246 rdev_ops = rdev->ops->del_pmksa;
7256 return rdev_ops(&rdev->wiphy, dev, &pmksa);
7259 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
7261 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7262 struct net_device *dev = info->user_ptr[1];
7264 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7265 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7268 if (!rdev->ops->flush_pmksa)
7271 return rdev_flush_pmksa(rdev, dev);
7274 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
7276 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7277 struct net_device *dev = info->user_ptr[1];
7278 u8 action_code, dialog_token;
7279 u32 peer_capability = 0;
7283 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7284 !rdev->ops->tdls_mgmt)
7287 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
7288 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
7289 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
7290 !info->attrs[NL80211_ATTR_IE] ||
7291 !info->attrs[NL80211_ATTR_MAC])
7294 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7295 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
7296 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
7297 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
7298 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
7300 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
7302 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
7303 dialog_token, status_code, peer_capability,
7304 nla_data(info->attrs[NL80211_ATTR_IE]),
7305 nla_len(info->attrs[NL80211_ATTR_IE]));
7308 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
7310 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7311 struct net_device *dev = info->user_ptr[1];
7312 enum nl80211_tdls_operation operation;
7315 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7316 !rdev->ops->tdls_oper)
7319 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
7320 !info->attrs[NL80211_ATTR_MAC])
7323 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
7324 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7326 return rdev_tdls_oper(rdev, dev, peer, operation);
7329 static int nl80211_remain_on_channel(struct sk_buff *skb,
7330 struct genl_info *info)
7332 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7333 struct wireless_dev *wdev = info->user_ptr[1];
7334 struct cfg80211_chan_def chandef;
7335 struct sk_buff *msg;
7341 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7342 !info->attrs[NL80211_ATTR_DURATION])
7345 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7347 if (!rdev->ops->remain_on_channel ||
7348 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
7352 * We should be on that channel for at least a minimum amount of
7353 * time (10ms) but no longer than the driver supports.
7355 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7356 duration > rdev->wiphy.max_remain_on_channel_duration)
7359 err = nl80211_parse_chandef(rdev, info, &chandef);
7363 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7367 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7368 NL80211_CMD_REMAIN_ON_CHANNEL);
7374 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
7380 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7381 goto nla_put_failure;
7383 genlmsg_end(msg, hdr);
7385 return genlmsg_reply(msg, info);
7394 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
7395 struct genl_info *info)
7397 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7398 struct wireless_dev *wdev = info->user_ptr[1];
7401 if (!info->attrs[NL80211_ATTR_COOKIE])
7404 if (!rdev->ops->cancel_remain_on_channel)
7407 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7409 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
7412 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
7413 u8 *rates, u8 rates_len)
7418 for (i = 0; i < rates_len; i++) {
7419 int rate = (rates[i] & 0x7f) * 5;
7421 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
7422 struct ieee80211_rate *srate =
7423 &sband->bitrates[ridx];
7424 if (rate == srate->bitrate) {
7429 if (ridx == sband->n_bitrates)
7430 return 0; /* rate not found */
7436 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
7437 u8 *rates, u8 rates_len,
7438 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
7442 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
7444 for (i = 0; i < rates_len; i++) {
7447 ridx = rates[i] / 8;
7448 rbit = BIT(rates[i] % 8);
7450 /* check validity */
7451 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
7454 /* check availability */
7455 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
7464 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
7468 switch (vht_mcs_map) {
7469 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
7471 case IEEE80211_VHT_MCS_SUPPORT_0_7:
7474 case IEEE80211_VHT_MCS_SUPPORT_0_8:
7477 case IEEE80211_VHT_MCS_SUPPORT_0_9:
7487 static void vht_build_mcs_mask(u16 vht_mcs_map,
7488 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
7492 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
7493 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
7498 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
7499 struct nl80211_txrate_vht *txrate,
7500 u16 mcs[NL80211_VHT_NSS_MAX])
7502 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
7503 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
7506 if (!sband->vht_cap.vht_supported)
7509 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
7511 /* Build vht_mcs_mask from VHT capabilities */
7512 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
7514 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
7515 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
7516 mcs[i] = txrate->mcs[i];
7524 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
7525 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
7526 .len = NL80211_MAX_SUPP_RATES },
7527 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
7528 .len = NL80211_MAX_SUPP_HT_RATES },
7529 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
7530 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
7533 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
7534 struct genl_info *info)
7536 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
7537 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7538 struct cfg80211_bitrate_mask mask;
7540 struct net_device *dev = info->user_ptr[1];
7541 struct nlattr *tx_rates;
7542 struct ieee80211_supported_band *sband;
7545 if (!rdev->ops->set_bitrate_mask)
7548 memset(&mask, 0, sizeof(mask));
7549 /* Default to all rates enabled */
7550 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7551 sband = rdev->wiphy.bands[i];
7556 mask.control[i].legacy = (1 << sband->n_bitrates) - 1;
7557 memcpy(mask.control[i].ht_mcs,
7558 sband->ht_cap.mcs.rx_mask,
7559 sizeof(mask.control[i].ht_mcs));
7561 if (!sband->vht_cap.vht_supported)
7564 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
7565 vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs);
7568 /* if no rates are given set it back to the defaults */
7569 if (!info->attrs[NL80211_ATTR_TX_RATES])
7573 * The nested attribute uses enum nl80211_band as the index. This maps
7574 * directly to the enum ieee80211_band values used in cfg80211.
7576 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7577 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
7578 enum ieee80211_band band = nla_type(tx_rates);
7581 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7583 sband = rdev->wiphy.bands[band];
7586 err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7587 nla_len(tx_rates), nl80211_txattr_policy);
7590 if (tb[NL80211_TXRATE_LEGACY]) {
7591 mask.control[band].legacy = rateset_to_mask(
7593 nla_data(tb[NL80211_TXRATE_LEGACY]),
7594 nla_len(tb[NL80211_TXRATE_LEGACY]));
7595 if ((mask.control[band].legacy == 0) &&
7596 nla_len(tb[NL80211_TXRATE_LEGACY]))
7599 if (tb[NL80211_TXRATE_HT]) {
7600 if (!ht_rateset_to_mask(
7602 nla_data(tb[NL80211_TXRATE_HT]),
7603 nla_len(tb[NL80211_TXRATE_HT]),
7604 mask.control[band].ht_mcs))
7607 if (tb[NL80211_TXRATE_VHT]) {
7608 if (!vht_set_mcs_mask(
7610 nla_data(tb[NL80211_TXRATE_VHT]),
7611 mask.control[band].vht_mcs))
7614 if (tb[NL80211_TXRATE_GI]) {
7615 mask.control[band].gi =
7616 nla_get_u8(tb[NL80211_TXRATE_GI]);
7617 if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI)
7621 if (mask.control[band].legacy == 0) {
7622 /* don't allow empty legacy rates if HT or VHT
7623 * are not even supported.
7625 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
7626 rdev->wiphy.bands[band]->vht_cap.vht_supported))
7629 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7630 if (mask.control[band].ht_mcs[i])
7633 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
7634 if (mask.control[band].vht_mcs[i])
7637 /* legacy and mcs rates may not be both empty */
7643 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7646 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7648 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7649 struct wireless_dev *wdev = info->user_ptr[1];
7650 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7652 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7655 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7656 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7658 switch (wdev->iftype) {
7659 case NL80211_IFTYPE_STATION:
7660 case NL80211_IFTYPE_ADHOC:
7661 case NL80211_IFTYPE_P2P_CLIENT:
7662 case NL80211_IFTYPE_AP:
7663 case NL80211_IFTYPE_AP_VLAN:
7664 case NL80211_IFTYPE_MESH_POINT:
7665 case NL80211_IFTYPE_P2P_GO:
7666 case NL80211_IFTYPE_P2P_DEVICE:
7672 /* not much point in registering if we can't reply */
7673 if (!rdev->ops->mgmt_tx)
7676 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7677 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7678 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7681 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7683 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7684 struct wireless_dev *wdev = info->user_ptr[1];
7685 struct cfg80211_chan_def chandef;
7689 struct sk_buff *msg = NULL;
7690 struct cfg80211_mgmt_tx_params params = {
7691 .dont_wait_for_ack =
7692 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
7695 if (!info->attrs[NL80211_ATTR_FRAME])
7698 if (!rdev->ops->mgmt_tx)
7701 switch (wdev->iftype) {
7702 case NL80211_IFTYPE_P2P_DEVICE:
7703 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7705 case NL80211_IFTYPE_STATION:
7706 case NL80211_IFTYPE_ADHOC:
7707 case NL80211_IFTYPE_P2P_CLIENT:
7708 case NL80211_IFTYPE_AP:
7709 case NL80211_IFTYPE_AP_VLAN:
7710 case NL80211_IFTYPE_MESH_POINT:
7711 case NL80211_IFTYPE_P2P_GO:
7717 if (info->attrs[NL80211_ATTR_DURATION]) {
7718 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7720 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7723 * We should wait on the channel for at least a minimum amount
7724 * of time (10ms) but no longer than the driver supports.
7726 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7727 params.wait > rdev->wiphy.max_remain_on_channel_duration)
7732 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7734 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7737 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7739 /* get the channel if any has been specified, otherwise pass NULL to
7740 * the driver. The latter will use the current one
7742 chandef.chan = NULL;
7743 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7744 err = nl80211_parse_chandef(rdev, info, &chandef);
7749 if (!chandef.chan && params.offchan)
7752 if (!params.dont_wait_for_ack) {
7753 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7757 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7765 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
7766 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
7767 params.chan = chandef.chan;
7768 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
7773 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7774 goto nla_put_failure;
7776 genlmsg_end(msg, hdr);
7777 return genlmsg_reply(msg, info);
7789 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7791 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7792 struct wireless_dev *wdev = info->user_ptr[1];
7795 if (!info->attrs[NL80211_ATTR_COOKIE])
7798 if (!rdev->ops->mgmt_tx_cancel_wait)
7801 switch (wdev->iftype) {
7802 case NL80211_IFTYPE_STATION:
7803 case NL80211_IFTYPE_ADHOC:
7804 case NL80211_IFTYPE_P2P_CLIENT:
7805 case NL80211_IFTYPE_AP:
7806 case NL80211_IFTYPE_AP_VLAN:
7807 case NL80211_IFTYPE_P2P_GO:
7808 case NL80211_IFTYPE_P2P_DEVICE:
7814 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7816 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7819 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7821 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7822 struct wireless_dev *wdev;
7823 struct net_device *dev = info->user_ptr[1];
7828 if (!info->attrs[NL80211_ATTR_PS_STATE])
7831 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7833 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7836 wdev = dev->ieee80211_ptr;
7838 if (!rdev->ops->set_power_mgmt)
7841 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7843 if (state == wdev->ps)
7846 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7852 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7854 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7855 enum nl80211_ps_state ps_state;
7856 struct wireless_dev *wdev;
7857 struct net_device *dev = info->user_ptr[1];
7858 struct sk_buff *msg;
7862 wdev = dev->ieee80211_ptr;
7864 if (!rdev->ops->set_power_mgmt)
7867 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7871 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7872 NL80211_CMD_GET_POWER_SAVE);
7879 ps_state = NL80211_PS_ENABLED;
7881 ps_state = NL80211_PS_DISABLED;
7883 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7884 goto nla_put_failure;
7886 genlmsg_end(msg, hdr);
7887 return genlmsg_reply(msg, info);
7896 static const struct nla_policy
7897 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
7898 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7899 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7900 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7901 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7902 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7903 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7906 static int nl80211_set_cqm_txe(struct genl_info *info,
7907 u32 rate, u32 pkts, u32 intvl)
7909 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7910 struct net_device *dev = info->user_ptr[1];
7911 struct wireless_dev *wdev = dev->ieee80211_ptr;
7913 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7916 if (!rdev->ops->set_cqm_txe_config)
7919 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7920 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7923 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7926 static int nl80211_set_cqm_rssi(struct genl_info *info,
7927 s32 threshold, u32 hysteresis)
7929 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7930 struct net_device *dev = info->user_ptr[1];
7931 struct wireless_dev *wdev = dev->ieee80211_ptr;
7936 /* disabling - hysteresis should also be zero then */
7940 if (!rdev->ops->set_cqm_rssi_config)
7943 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7944 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7947 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7950 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7952 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7956 cqm = info->attrs[NL80211_ATTR_CQM];
7960 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7961 nl80211_attr_cqm_policy);
7965 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7966 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7967 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7968 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7970 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
7973 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7974 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7975 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7976 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7977 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7978 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7980 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
7986 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7988 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7989 struct net_device *dev = info->user_ptr[1];
7990 struct mesh_config cfg;
7991 struct mesh_setup setup;
7994 /* start with default */
7995 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7996 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7998 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7999 /* and parse parameters if given */
8000 err = nl80211_parse_mesh_config(info, &cfg, NULL);
8005 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
8006 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
8009 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
8010 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
8012 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8013 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
8014 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8017 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
8018 setup.beacon_interval =
8019 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8020 if (setup.beacon_interval < 10 ||
8021 setup.beacon_interval > 10000)
8025 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
8027 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
8028 if (setup.dtim_period < 1 || setup.dtim_period > 100)
8032 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
8033 /* parse additional setup parameters if given */
8034 err = nl80211_parse_mesh_setup(info, &setup);
8040 cfg.auto_open_plinks = false;
8042 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8043 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
8047 /* cfg80211_join_mesh() will sort it out */
8048 setup.chandef.chan = NULL;
8051 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8052 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8054 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8055 struct ieee80211_supported_band *sband;
8057 if (!setup.chandef.chan)
8060 sband = rdev->wiphy.bands[setup.chandef.chan->band];
8062 err = ieee80211_get_ratemask(sband, rates, n_rates,
8063 &setup.basic_rates);
8068 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
8071 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
8073 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8074 struct net_device *dev = info->user_ptr[1];
8076 return cfg80211_leave_mesh(rdev, dev);
8080 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
8081 struct cfg80211_registered_device *rdev)
8083 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
8084 struct nlattr *nl_pats, *nl_pat;
8087 if (!wowlan->n_patterns)
8090 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
8094 for (i = 0; i < wowlan->n_patterns; i++) {
8095 nl_pat = nla_nest_start(msg, i + 1);
8098 pat_len = wowlan->patterns[i].pattern_len;
8099 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
8100 wowlan->patterns[i].mask) ||
8101 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8102 wowlan->patterns[i].pattern) ||
8103 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8104 wowlan->patterns[i].pkt_offset))
8106 nla_nest_end(msg, nl_pat);
8108 nla_nest_end(msg, nl_pats);
8113 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
8114 struct cfg80211_wowlan_tcp *tcp)
8116 struct nlattr *nl_tcp;
8121 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
8125 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
8126 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
8127 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
8128 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
8129 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
8130 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
8131 tcp->payload_len, tcp->payload) ||
8132 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
8133 tcp->data_interval) ||
8134 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
8135 tcp->wake_len, tcp->wake_data) ||
8136 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
8137 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
8140 if (tcp->payload_seq.len &&
8141 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
8142 sizeof(tcp->payload_seq), &tcp->payload_seq))
8145 if (tcp->payload_tok.len &&
8146 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
8147 sizeof(tcp->payload_tok) + tcp->tokens_size,
8151 nla_nest_end(msg, nl_tcp);
8156 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
8158 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8159 struct sk_buff *msg;
8161 u32 size = NLMSG_DEFAULT_SIZE;
8163 if (!rdev->wiphy.wowlan)
8166 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
8167 /* adjust size to have room for all the data */
8168 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
8169 rdev->wiphy.wowlan_config->tcp->payload_len +
8170 rdev->wiphy.wowlan_config->tcp->wake_len +
8171 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
8174 msg = nlmsg_new(size, GFP_KERNEL);
8178 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8179 NL80211_CMD_GET_WOWLAN);
8181 goto nla_put_failure;
8183 if (rdev->wiphy.wowlan_config) {
8184 struct nlattr *nl_wowlan;
8186 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
8188 goto nla_put_failure;
8190 if ((rdev->wiphy.wowlan_config->any &&
8191 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
8192 (rdev->wiphy.wowlan_config->disconnect &&
8193 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
8194 (rdev->wiphy.wowlan_config->magic_pkt &&
8195 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
8196 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
8197 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
8198 (rdev->wiphy.wowlan_config->eap_identity_req &&
8199 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
8200 (rdev->wiphy.wowlan_config->four_way_handshake &&
8201 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
8202 (rdev->wiphy.wowlan_config->rfkill_release &&
8203 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
8204 goto nla_put_failure;
8206 if (nl80211_send_wowlan_patterns(msg, rdev))
8207 goto nla_put_failure;
8209 if (nl80211_send_wowlan_tcp(msg,
8210 rdev->wiphy.wowlan_config->tcp))
8211 goto nla_put_failure;
8213 nla_nest_end(msg, nl_wowlan);
8216 genlmsg_end(msg, hdr);
8217 return genlmsg_reply(msg, info);
8224 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
8225 struct nlattr *attr,
8226 struct cfg80211_wowlan *trig)
8228 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
8229 struct cfg80211_wowlan_tcp *cfg;
8230 struct nl80211_wowlan_tcp_data_token *tok = NULL;
8231 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
8233 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
8236 if (!rdev->wiphy.wowlan->tcp)
8239 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
8240 nla_data(attr), nla_len(attr),
8241 nl80211_wowlan_tcp_policy);
8245 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
8246 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
8247 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
8248 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
8249 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
8250 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
8251 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
8252 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
8255 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
8256 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
8259 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
8260 rdev->wiphy.wowlan->tcp->data_interval_max ||
8261 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
8264 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
8265 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
8268 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
8269 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
8272 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
8273 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8275 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8276 tokens_size = tokln - sizeof(*tok);
8278 if (!tok->len || tokens_size % tok->len)
8280 if (!rdev->wiphy.wowlan->tcp->tok)
8282 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
8284 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
8286 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
8288 if (tok->offset + tok->len > data_size)
8292 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
8293 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
8294 if (!rdev->wiphy.wowlan->tcp->seq)
8296 if (seq->len == 0 || seq->len > 4)
8298 if (seq->len + seq->offset > data_size)
8302 size = sizeof(*cfg);
8304 size += wake_size + wake_mask_size;
8305 size += tokens_size;
8307 cfg = kzalloc(size, GFP_KERNEL);
8310 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
8311 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
8312 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
8314 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
8315 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
8319 /* allocate a socket and port for it and use it */
8320 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
8321 IPPROTO_TCP, &cfg->sock, 1);
8326 if (inet_csk_get_port(cfg->sock->sk, port)) {
8327 sock_release(cfg->sock);
8331 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
8337 cfg->src_port = port;
8340 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
8341 cfg->payload_len = data_size;
8342 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
8343 memcpy((void *)cfg->payload,
8344 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
8347 cfg->payload_seq = *seq;
8348 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
8349 cfg->wake_len = wake_size;
8350 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
8351 memcpy((void *)cfg->wake_data,
8352 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
8354 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
8355 data_size + wake_size;
8356 memcpy((void *)cfg->wake_mask,
8357 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
8360 cfg->tokens_size = tokens_size;
8361 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
8369 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
8371 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8372 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
8373 struct cfg80211_wowlan new_triggers = {};
8374 struct cfg80211_wowlan *ntrig;
8375 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
8377 bool prev_enabled = rdev->wiphy.wowlan_config;
8382 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
8383 cfg80211_rdev_free_wowlan(rdev);
8384 rdev->wiphy.wowlan_config = NULL;
8388 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
8389 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8390 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8391 nl80211_wowlan_policy);
8395 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
8396 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
8398 new_triggers.any = true;
8401 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
8402 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
8404 new_triggers.disconnect = true;
8407 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
8408 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
8410 new_triggers.magic_pkt = true;
8413 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
8416 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
8417 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
8419 new_triggers.gtk_rekey_failure = true;
8422 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
8423 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
8425 new_triggers.eap_identity_req = true;
8428 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
8429 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
8431 new_triggers.four_way_handshake = true;
8434 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
8435 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
8437 new_triggers.rfkill_release = true;
8440 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
8443 int rem, pat_len, mask_len, pkt_offset;
8444 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8446 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8449 if (n_patterns > wowlan->n_patterns)
8452 new_triggers.patterns = kcalloc(n_patterns,
8453 sizeof(new_triggers.patterns[0]),
8455 if (!new_triggers.patterns)
8458 new_triggers.n_patterns = n_patterns;
8461 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8463 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8464 nla_len(pat), NULL);
8466 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8467 !pat_tb[NL80211_PKTPAT_PATTERN])
8469 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8470 mask_len = DIV_ROUND_UP(pat_len, 8);
8471 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8473 if (pat_len > wowlan->pattern_max_len ||
8474 pat_len < wowlan->pattern_min_len)
8477 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8480 pkt_offset = nla_get_u32(
8481 pat_tb[NL80211_PKTPAT_OFFSET]);
8482 if (pkt_offset > wowlan->max_pkt_offset)
8484 new_triggers.patterns[i].pkt_offset = pkt_offset;
8486 new_triggers.patterns[i].mask =
8487 kmalloc(mask_len + pat_len, GFP_KERNEL);
8488 if (!new_triggers.patterns[i].mask) {
8492 new_triggers.patterns[i].pattern =
8493 new_triggers.patterns[i].mask + mask_len;
8494 memcpy(new_triggers.patterns[i].mask,
8495 nla_data(pat_tb[NL80211_PKTPAT_MASK]),
8497 new_triggers.patterns[i].pattern_len = pat_len;
8498 memcpy(new_triggers.patterns[i].pattern,
8499 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
8505 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
8506 err = nl80211_parse_wowlan_tcp(
8507 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
8513 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
8518 cfg80211_rdev_free_wowlan(rdev);
8519 rdev->wiphy.wowlan_config = ntrig;
8522 if (rdev->ops->set_wakeup &&
8523 prev_enabled != !!rdev->wiphy.wowlan_config)
8524 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
8528 for (i = 0; i < new_triggers.n_patterns; i++)
8529 kfree(new_triggers.patterns[i].mask);
8530 kfree(new_triggers.patterns);
8531 if (new_triggers.tcp && new_triggers.tcp->sock)
8532 sock_release(new_triggers.tcp->sock);
8533 kfree(new_triggers.tcp);
8538 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
8539 struct cfg80211_registered_device *rdev)
8541 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
8543 struct cfg80211_coalesce_rules *rule;
8545 if (!rdev->coalesce->n_rules)
8548 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
8552 for (i = 0; i < rdev->coalesce->n_rules; i++) {
8553 nl_rule = nla_nest_start(msg, i + 1);
8557 rule = &rdev->coalesce->rules[i];
8558 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
8562 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
8566 nl_pats = nla_nest_start(msg,
8567 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
8571 for (j = 0; j < rule->n_patterns; j++) {
8572 nl_pat = nla_nest_start(msg, j + 1);
8575 pat_len = rule->patterns[j].pattern_len;
8576 if (nla_put(msg, NL80211_PKTPAT_MASK,
8577 DIV_ROUND_UP(pat_len, 8),
8578 rule->patterns[j].mask) ||
8579 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8580 rule->patterns[j].pattern) ||
8581 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8582 rule->patterns[j].pkt_offset))
8584 nla_nest_end(msg, nl_pat);
8586 nla_nest_end(msg, nl_pats);
8587 nla_nest_end(msg, nl_rule);
8589 nla_nest_end(msg, nl_rules);
8594 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
8596 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8597 struct sk_buff *msg;
8600 if (!rdev->wiphy.coalesce)
8603 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8607 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8608 NL80211_CMD_GET_COALESCE);
8610 goto nla_put_failure;
8612 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
8613 goto nla_put_failure;
8615 genlmsg_end(msg, hdr);
8616 return genlmsg_reply(msg, info);
8623 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
8625 struct cfg80211_coalesce *coalesce = rdev->coalesce;
8627 struct cfg80211_coalesce_rules *rule;
8632 for (i = 0; i < coalesce->n_rules; i++) {
8633 rule = &coalesce->rules[i];
8634 for (j = 0; j < rule->n_patterns; j++)
8635 kfree(rule->patterns[j].mask);
8636 kfree(rule->patterns);
8638 kfree(coalesce->rules);
8640 rdev->coalesce = NULL;
8643 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
8644 struct nlattr *rule,
8645 struct cfg80211_coalesce_rules *new_rule)
8648 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8649 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
8650 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
8651 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8653 err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
8654 nla_len(rule), nl80211_coalesce_policy);
8658 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
8660 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
8661 if (new_rule->delay > coalesce->max_delay)
8664 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
8665 new_rule->condition =
8666 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
8667 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
8668 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
8671 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
8674 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8677 if (n_patterns > coalesce->n_patterns)
8680 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
8682 if (!new_rule->patterns)
8685 new_rule->n_patterns = n_patterns;
8688 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8690 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8691 nla_len(pat), NULL);
8692 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8693 !pat_tb[NL80211_PKTPAT_PATTERN])
8695 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8696 mask_len = DIV_ROUND_UP(pat_len, 8);
8697 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8699 if (pat_len > coalesce->pattern_max_len ||
8700 pat_len < coalesce->pattern_min_len)
8703 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8706 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
8707 if (pkt_offset > coalesce->max_pkt_offset)
8709 new_rule->patterns[i].pkt_offset = pkt_offset;
8711 new_rule->patterns[i].mask =
8712 kmalloc(mask_len + pat_len, GFP_KERNEL);
8713 if (!new_rule->patterns[i].mask)
8715 new_rule->patterns[i].pattern =
8716 new_rule->patterns[i].mask + mask_len;
8717 memcpy(new_rule->patterns[i].mask,
8718 nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
8719 new_rule->patterns[i].pattern_len = pat_len;
8720 memcpy(new_rule->patterns[i].pattern,
8721 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
8728 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
8730 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8731 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8732 struct cfg80211_coalesce new_coalesce = {};
8733 struct cfg80211_coalesce *n_coalesce;
8734 int err, rem_rule, n_rules = 0, i, j;
8735 struct nlattr *rule;
8736 struct cfg80211_coalesce_rules *tmp_rule;
8738 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
8741 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
8742 cfg80211_rdev_free_coalesce(rdev);
8743 rdev->ops->set_coalesce(&rdev->wiphy, NULL);
8747 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8750 if (n_rules > coalesce->n_rules)
8753 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
8755 if (!new_coalesce.rules)
8758 new_coalesce.n_rules = n_rules;
8761 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8763 err = nl80211_parse_coalesce_rule(rdev, rule,
8764 &new_coalesce.rules[i]);
8771 err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
8775 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
8780 cfg80211_rdev_free_coalesce(rdev);
8781 rdev->coalesce = n_coalesce;
8785 for (i = 0; i < new_coalesce.n_rules; i++) {
8786 tmp_rule = &new_coalesce.rules[i];
8787 for (j = 0; j < tmp_rule->n_patterns; j++)
8788 kfree(tmp_rule->patterns[j].mask);
8789 kfree(tmp_rule->patterns);
8791 kfree(new_coalesce.rules);
8796 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
8798 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8799 struct net_device *dev = info->user_ptr[1];
8800 struct wireless_dev *wdev = dev->ieee80211_ptr;
8801 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
8802 struct cfg80211_gtk_rekey_data rekey_data;
8805 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
8808 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
8809 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
8810 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
8811 nl80211_rekey_policy);
8815 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
8817 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
8819 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
8822 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
8824 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
8826 memcpy(rekey_data.replay_ctr,
8827 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
8828 NL80211_REPLAY_CTR_LEN);
8831 if (!wdev->current_bss) {
8836 if (!rdev->ops->set_rekey_data) {
8841 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
8847 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
8848 struct genl_info *info)
8850 struct net_device *dev = info->user_ptr[1];
8851 struct wireless_dev *wdev = dev->ieee80211_ptr;
8853 if (wdev->iftype != NL80211_IFTYPE_AP &&
8854 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8857 if (wdev->ap_unexpected_nlportid)
8860 wdev->ap_unexpected_nlportid = info->snd_portid;
8864 static int nl80211_probe_client(struct sk_buff *skb,
8865 struct genl_info *info)
8867 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8868 struct net_device *dev = info->user_ptr[1];
8869 struct wireless_dev *wdev = dev->ieee80211_ptr;
8870 struct sk_buff *msg;
8876 if (wdev->iftype != NL80211_IFTYPE_AP &&
8877 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8880 if (!info->attrs[NL80211_ATTR_MAC])
8883 if (!rdev->ops->probe_client)
8886 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8890 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8891 NL80211_CMD_PROBE_CLIENT);
8897 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8899 err = rdev_probe_client(rdev, dev, addr, &cookie);
8903 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8904 goto nla_put_failure;
8906 genlmsg_end(msg, hdr);
8908 return genlmsg_reply(msg, info);
8917 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8919 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8920 struct cfg80211_beacon_registration *reg, *nreg;
8923 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8926 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8930 /* First, check if already registered. */
8931 spin_lock_bh(&rdev->beacon_registrations_lock);
8932 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8933 if (reg->nlportid == info->snd_portid) {
8938 /* Add it to the list */
8939 nreg->nlportid = info->snd_portid;
8940 list_add(&nreg->list, &rdev->beacon_registrations);
8942 spin_unlock_bh(&rdev->beacon_registrations_lock);
8946 spin_unlock_bh(&rdev->beacon_registrations_lock);
8951 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8953 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8954 struct wireless_dev *wdev = info->user_ptr[1];
8957 if (!rdev->ops->start_p2p_device)
8960 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8963 if (wdev->p2p_started)
8966 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8970 err = rdev_start_p2p_device(rdev, wdev);
8974 wdev->p2p_started = true;
8980 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8982 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8983 struct wireless_dev *wdev = info->user_ptr[1];
8985 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8988 if (!rdev->ops->stop_p2p_device)
8991 cfg80211_stop_p2p_device(rdev, wdev);
8996 static int nl80211_get_protocol_features(struct sk_buff *skb,
8997 struct genl_info *info)
9000 struct sk_buff *msg;
9002 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9006 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9007 NL80211_CMD_GET_PROTOCOL_FEATURES);
9009 goto nla_put_failure;
9011 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
9012 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
9013 goto nla_put_failure;
9015 genlmsg_end(msg, hdr);
9016 return genlmsg_reply(msg, info);
9023 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
9025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9026 struct cfg80211_update_ft_ies_params ft_params;
9027 struct net_device *dev = info->user_ptr[1];
9029 if (!rdev->ops->update_ft_ies)
9032 if (!info->attrs[NL80211_ATTR_MDID] ||
9033 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
9036 memset(&ft_params, 0, sizeof(ft_params));
9037 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
9038 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
9039 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
9041 return rdev_update_ft_ies(rdev, dev, &ft_params);
9044 static int nl80211_crit_protocol_start(struct sk_buff *skb,
9045 struct genl_info *info)
9047 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9048 struct wireless_dev *wdev = info->user_ptr[1];
9049 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
9053 if (!rdev->ops->crit_proto_start)
9056 if (WARN_ON(!rdev->ops->crit_proto_stop))
9059 if (rdev->crit_proto_nlportid)
9062 /* determine protocol if provided */
9063 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
9064 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
9066 if (proto >= NUM_NL80211_CRIT_PROTO)
9069 /* timeout must be provided */
9070 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
9074 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
9076 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
9079 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
9081 rdev->crit_proto_nlportid = info->snd_portid;
9086 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
9087 struct genl_info *info)
9089 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9090 struct wireless_dev *wdev = info->user_ptr[1];
9092 if (!rdev->ops->crit_proto_stop)
9095 if (rdev->crit_proto_nlportid) {
9096 rdev->crit_proto_nlportid = 0;
9097 rdev_crit_proto_stop(rdev, wdev);
9102 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
9104 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9105 struct wireless_dev *wdev =
9106 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
9110 if (!rdev->wiphy.vendor_commands)
9114 err = PTR_ERR(wdev);
9118 } else if (wdev->wiphy != &rdev->wiphy) {
9122 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
9123 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
9126 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
9127 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
9128 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
9129 const struct wiphy_vendor_command *vcmd;
9133 vcmd = &rdev->wiphy.vendor_commands[i];
9135 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
9138 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
9139 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
9142 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
9146 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
9148 !netif_running(wdev->netdev))
9150 if (!wdev->netdev && !wdev->p2p_started)
9157 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
9158 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9159 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
9162 rdev->cur_cmd_info = info;
9163 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
9165 rdev->cur_cmd_info = NULL;
9172 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
9173 enum nl80211_commands cmd,
9174 enum nl80211_attrs attr,
9177 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9179 if (WARN_ON(!rdev->cur_cmd_info))
9182 return __cfg80211_alloc_vendor_skb(rdev, approxlen,
9183 rdev->cur_cmd_info->snd_portid,
9184 rdev->cur_cmd_info->snd_seq,
9185 cmd, attr, NULL, GFP_KERNEL);
9187 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
9189 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
9191 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
9192 void *hdr = ((void **)skb->cb)[1];
9193 struct nlattr *data = ((void **)skb->cb)[2];
9195 if (WARN_ON(!rdev->cur_cmd_info)) {
9200 nla_nest_end(skb, data);
9201 genlmsg_end(skb, hdr);
9202 return genlmsg_reply(skb, rdev->cur_cmd_info);
9204 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
9207 static int nl80211_set_qos_map(struct sk_buff *skb,
9208 struct genl_info *info)
9210 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9211 struct cfg80211_qos_map *qos_map = NULL;
9212 struct net_device *dev = info->user_ptr[1];
9213 u8 *pos, len, num_des, des_len, des;
9216 if (!rdev->ops->set_qos_map)
9219 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
9220 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
9221 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
9223 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
9224 len > IEEE80211_QOS_MAP_LEN_MAX)
9227 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
9231 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
9234 sizeof(struct cfg80211_dscp_exception);
9235 memcpy(qos_map->dscp_exception, pos, des_len);
9236 qos_map->num_des = num_des;
9237 for (des = 0; des < num_des; des++) {
9238 if (qos_map->dscp_exception[des].up > 7) {
9245 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
9248 wdev_lock(dev->ieee80211_ptr);
9249 ret = nl80211_key_allowed(dev->ieee80211_ptr);
9251 ret = rdev_set_qos_map(rdev, dev, qos_map);
9252 wdev_unlock(dev->ieee80211_ptr);
9258 #define NL80211_FLAG_NEED_WIPHY 0x01
9259 #define NL80211_FLAG_NEED_NETDEV 0x02
9260 #define NL80211_FLAG_NEED_RTNL 0x04
9261 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9262 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9263 NL80211_FLAG_CHECK_NETDEV_UP)
9264 #define NL80211_FLAG_NEED_WDEV 0x10
9265 /* If a netdev is associated, it must be UP, P2P must be started */
9266 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9267 NL80211_FLAG_CHECK_NETDEV_UP)
9269 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
9270 struct genl_info *info)
9272 struct cfg80211_registered_device *rdev;
9273 struct wireless_dev *wdev;
9274 struct net_device *dev;
9275 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
9280 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
9281 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
9285 return PTR_ERR(rdev);
9287 info->user_ptr[0] = rdev;
9288 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
9289 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
9292 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
9297 return PTR_ERR(wdev);
9301 rdev = wiphy_to_dev(wdev->wiphy);
9303 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
9310 info->user_ptr[1] = dev;
9312 info->user_ptr[1] = wdev;
9316 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
9317 !netif_running(dev)) {
9324 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
9325 if (!wdev->p2p_started) {
9332 info->user_ptr[0] = rdev;
9338 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
9339 struct genl_info *info)
9341 if (info->user_ptr[1]) {
9342 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
9343 struct wireless_dev *wdev = info->user_ptr[1];
9346 dev_put(wdev->netdev);
9348 dev_put(info->user_ptr[1]);
9351 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
9355 static const struct genl_ops nl80211_ops[] = {
9357 .cmd = NL80211_CMD_GET_WIPHY,
9358 .doit = nl80211_get_wiphy,
9359 .dumpit = nl80211_dump_wiphy,
9360 .done = nl80211_dump_wiphy_done,
9361 .policy = nl80211_policy,
9362 /* can be retrieved by unprivileged users */
9363 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9364 NL80211_FLAG_NEED_RTNL,
9367 .cmd = NL80211_CMD_SET_WIPHY,
9368 .doit = nl80211_set_wiphy,
9369 .policy = nl80211_policy,
9370 .flags = GENL_ADMIN_PERM,
9371 .internal_flags = NL80211_FLAG_NEED_RTNL,
9374 .cmd = NL80211_CMD_GET_INTERFACE,
9375 .doit = nl80211_get_interface,
9376 .dumpit = nl80211_dump_interface,
9377 .policy = nl80211_policy,
9378 /* can be retrieved by unprivileged users */
9379 .internal_flags = NL80211_FLAG_NEED_WDEV |
9380 NL80211_FLAG_NEED_RTNL,
9383 .cmd = NL80211_CMD_SET_INTERFACE,
9384 .doit = nl80211_set_interface,
9385 .policy = nl80211_policy,
9386 .flags = GENL_ADMIN_PERM,
9387 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9388 NL80211_FLAG_NEED_RTNL,
9391 .cmd = NL80211_CMD_NEW_INTERFACE,
9392 .doit = nl80211_new_interface,
9393 .policy = nl80211_policy,
9394 .flags = GENL_ADMIN_PERM,
9395 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9396 NL80211_FLAG_NEED_RTNL,
9399 .cmd = NL80211_CMD_DEL_INTERFACE,
9400 .doit = nl80211_del_interface,
9401 .policy = nl80211_policy,
9402 .flags = GENL_ADMIN_PERM,
9403 .internal_flags = NL80211_FLAG_NEED_WDEV |
9404 NL80211_FLAG_NEED_RTNL,
9407 .cmd = NL80211_CMD_GET_KEY,
9408 .doit = nl80211_get_key,
9409 .policy = nl80211_policy,
9410 .flags = GENL_ADMIN_PERM,
9411 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9412 NL80211_FLAG_NEED_RTNL,
9415 .cmd = NL80211_CMD_SET_KEY,
9416 .doit = nl80211_set_key,
9417 .policy = nl80211_policy,
9418 .flags = GENL_ADMIN_PERM,
9419 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9420 NL80211_FLAG_NEED_RTNL,
9423 .cmd = NL80211_CMD_NEW_KEY,
9424 .doit = nl80211_new_key,
9425 .policy = nl80211_policy,
9426 .flags = GENL_ADMIN_PERM,
9427 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9428 NL80211_FLAG_NEED_RTNL,
9431 .cmd = NL80211_CMD_DEL_KEY,
9432 .doit = nl80211_del_key,
9433 .policy = nl80211_policy,
9434 .flags = GENL_ADMIN_PERM,
9435 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9436 NL80211_FLAG_NEED_RTNL,
9439 .cmd = NL80211_CMD_SET_BEACON,
9440 .policy = nl80211_policy,
9441 .flags = GENL_ADMIN_PERM,
9442 .doit = nl80211_set_beacon,
9443 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9444 NL80211_FLAG_NEED_RTNL,
9447 .cmd = NL80211_CMD_START_AP,
9448 .policy = nl80211_policy,
9449 .flags = GENL_ADMIN_PERM,
9450 .doit = nl80211_start_ap,
9451 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9452 NL80211_FLAG_NEED_RTNL,
9455 .cmd = NL80211_CMD_STOP_AP,
9456 .policy = nl80211_policy,
9457 .flags = GENL_ADMIN_PERM,
9458 .doit = nl80211_stop_ap,
9459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9460 NL80211_FLAG_NEED_RTNL,
9463 .cmd = NL80211_CMD_GET_STATION,
9464 .doit = nl80211_get_station,
9465 .dumpit = nl80211_dump_station,
9466 .policy = nl80211_policy,
9467 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9468 NL80211_FLAG_NEED_RTNL,
9471 .cmd = NL80211_CMD_SET_STATION,
9472 .doit = nl80211_set_station,
9473 .policy = nl80211_policy,
9474 .flags = GENL_ADMIN_PERM,
9475 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9476 NL80211_FLAG_NEED_RTNL,
9479 .cmd = NL80211_CMD_NEW_STATION,
9480 .doit = nl80211_new_station,
9481 .policy = nl80211_policy,
9482 .flags = GENL_ADMIN_PERM,
9483 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9484 NL80211_FLAG_NEED_RTNL,
9487 .cmd = NL80211_CMD_DEL_STATION,
9488 .doit = nl80211_del_station,
9489 .policy = nl80211_policy,
9490 .flags = GENL_ADMIN_PERM,
9491 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9492 NL80211_FLAG_NEED_RTNL,
9495 .cmd = NL80211_CMD_GET_MPATH,
9496 .doit = nl80211_get_mpath,
9497 .dumpit = nl80211_dump_mpath,
9498 .policy = nl80211_policy,
9499 .flags = GENL_ADMIN_PERM,
9500 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9501 NL80211_FLAG_NEED_RTNL,
9504 .cmd = NL80211_CMD_SET_MPATH,
9505 .doit = nl80211_set_mpath,
9506 .policy = nl80211_policy,
9507 .flags = GENL_ADMIN_PERM,
9508 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9509 NL80211_FLAG_NEED_RTNL,
9512 .cmd = NL80211_CMD_NEW_MPATH,
9513 .doit = nl80211_new_mpath,
9514 .policy = nl80211_policy,
9515 .flags = GENL_ADMIN_PERM,
9516 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9517 NL80211_FLAG_NEED_RTNL,
9520 .cmd = NL80211_CMD_DEL_MPATH,
9521 .doit = nl80211_del_mpath,
9522 .policy = nl80211_policy,
9523 .flags = GENL_ADMIN_PERM,
9524 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9525 NL80211_FLAG_NEED_RTNL,
9528 .cmd = NL80211_CMD_SET_BSS,
9529 .doit = nl80211_set_bss,
9530 .policy = nl80211_policy,
9531 .flags = GENL_ADMIN_PERM,
9532 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9533 NL80211_FLAG_NEED_RTNL,
9536 .cmd = NL80211_CMD_GET_REG,
9537 .doit = nl80211_get_reg,
9538 .policy = nl80211_policy,
9539 .internal_flags = NL80211_FLAG_NEED_RTNL,
9540 /* can be retrieved by unprivileged users */
9543 .cmd = NL80211_CMD_SET_REG,
9544 .doit = nl80211_set_reg,
9545 .policy = nl80211_policy,
9546 .flags = GENL_ADMIN_PERM,
9547 .internal_flags = NL80211_FLAG_NEED_RTNL,
9550 .cmd = NL80211_CMD_REQ_SET_REG,
9551 .doit = nl80211_req_set_reg,
9552 .policy = nl80211_policy,
9553 .flags = GENL_ADMIN_PERM,
9556 .cmd = NL80211_CMD_GET_MESH_CONFIG,
9557 .doit = nl80211_get_mesh_config,
9558 .policy = nl80211_policy,
9559 /* can be retrieved by unprivileged users */
9560 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9561 NL80211_FLAG_NEED_RTNL,
9564 .cmd = NL80211_CMD_SET_MESH_CONFIG,
9565 .doit = nl80211_update_mesh_config,
9566 .policy = nl80211_policy,
9567 .flags = GENL_ADMIN_PERM,
9568 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9569 NL80211_FLAG_NEED_RTNL,
9572 .cmd = NL80211_CMD_TRIGGER_SCAN,
9573 .doit = nl80211_trigger_scan,
9574 .policy = nl80211_policy,
9575 .flags = GENL_ADMIN_PERM,
9576 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9577 NL80211_FLAG_NEED_RTNL,
9580 .cmd = NL80211_CMD_GET_SCAN,
9581 .policy = nl80211_policy,
9582 .dumpit = nl80211_dump_scan,
9585 .cmd = NL80211_CMD_START_SCHED_SCAN,
9586 .doit = nl80211_start_sched_scan,
9587 .policy = nl80211_policy,
9588 .flags = GENL_ADMIN_PERM,
9589 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9590 NL80211_FLAG_NEED_RTNL,
9593 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
9594 .doit = nl80211_stop_sched_scan,
9595 .policy = nl80211_policy,
9596 .flags = GENL_ADMIN_PERM,
9597 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9598 NL80211_FLAG_NEED_RTNL,
9601 .cmd = NL80211_CMD_AUTHENTICATE,
9602 .doit = nl80211_authenticate,
9603 .policy = nl80211_policy,
9604 .flags = GENL_ADMIN_PERM,
9605 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9606 NL80211_FLAG_NEED_RTNL,
9609 .cmd = NL80211_CMD_ASSOCIATE,
9610 .doit = nl80211_associate,
9611 .policy = nl80211_policy,
9612 .flags = GENL_ADMIN_PERM,
9613 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9614 NL80211_FLAG_NEED_RTNL,
9617 .cmd = NL80211_CMD_DEAUTHENTICATE,
9618 .doit = nl80211_deauthenticate,
9619 .policy = nl80211_policy,
9620 .flags = GENL_ADMIN_PERM,
9621 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9622 NL80211_FLAG_NEED_RTNL,
9625 .cmd = NL80211_CMD_DISASSOCIATE,
9626 .doit = nl80211_disassociate,
9627 .policy = nl80211_policy,
9628 .flags = GENL_ADMIN_PERM,
9629 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9630 NL80211_FLAG_NEED_RTNL,
9633 .cmd = NL80211_CMD_JOIN_IBSS,
9634 .doit = nl80211_join_ibss,
9635 .policy = nl80211_policy,
9636 .flags = GENL_ADMIN_PERM,
9637 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9638 NL80211_FLAG_NEED_RTNL,
9641 .cmd = NL80211_CMD_LEAVE_IBSS,
9642 .doit = nl80211_leave_ibss,
9643 .policy = nl80211_policy,
9644 .flags = GENL_ADMIN_PERM,
9645 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9646 NL80211_FLAG_NEED_RTNL,
9648 #ifdef CONFIG_NL80211_TESTMODE
9650 .cmd = NL80211_CMD_TESTMODE,
9651 .doit = nl80211_testmode_do,
9652 .dumpit = nl80211_testmode_dump,
9653 .policy = nl80211_policy,
9654 .flags = GENL_ADMIN_PERM,
9655 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9656 NL80211_FLAG_NEED_RTNL,
9660 .cmd = NL80211_CMD_CONNECT,
9661 .doit = nl80211_connect,
9662 .policy = nl80211_policy,
9663 .flags = GENL_ADMIN_PERM,
9664 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9665 NL80211_FLAG_NEED_RTNL,
9668 .cmd = NL80211_CMD_DISCONNECT,
9669 .doit = nl80211_disconnect,
9670 .policy = nl80211_policy,
9671 .flags = GENL_ADMIN_PERM,
9672 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9673 NL80211_FLAG_NEED_RTNL,
9676 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
9677 .doit = nl80211_wiphy_netns,
9678 .policy = nl80211_policy,
9679 .flags = GENL_ADMIN_PERM,
9680 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9681 NL80211_FLAG_NEED_RTNL,
9684 .cmd = NL80211_CMD_GET_SURVEY,
9685 .policy = nl80211_policy,
9686 .dumpit = nl80211_dump_survey,
9689 .cmd = NL80211_CMD_SET_PMKSA,
9690 .doit = nl80211_setdel_pmksa,
9691 .policy = nl80211_policy,
9692 .flags = GENL_ADMIN_PERM,
9693 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9694 NL80211_FLAG_NEED_RTNL,
9697 .cmd = NL80211_CMD_DEL_PMKSA,
9698 .doit = nl80211_setdel_pmksa,
9699 .policy = nl80211_policy,
9700 .flags = GENL_ADMIN_PERM,
9701 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9702 NL80211_FLAG_NEED_RTNL,
9705 .cmd = NL80211_CMD_FLUSH_PMKSA,
9706 .doit = nl80211_flush_pmksa,
9707 .policy = nl80211_policy,
9708 .flags = GENL_ADMIN_PERM,
9709 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9710 NL80211_FLAG_NEED_RTNL,
9713 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
9714 .doit = nl80211_remain_on_channel,
9715 .policy = nl80211_policy,
9716 .flags = GENL_ADMIN_PERM,
9717 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9718 NL80211_FLAG_NEED_RTNL,
9721 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9722 .doit = nl80211_cancel_remain_on_channel,
9723 .policy = nl80211_policy,
9724 .flags = GENL_ADMIN_PERM,
9725 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9726 NL80211_FLAG_NEED_RTNL,
9729 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
9730 .doit = nl80211_set_tx_bitrate_mask,
9731 .policy = nl80211_policy,
9732 .flags = GENL_ADMIN_PERM,
9733 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9734 NL80211_FLAG_NEED_RTNL,
9737 .cmd = NL80211_CMD_REGISTER_FRAME,
9738 .doit = nl80211_register_mgmt,
9739 .policy = nl80211_policy,
9740 .flags = GENL_ADMIN_PERM,
9741 .internal_flags = NL80211_FLAG_NEED_WDEV |
9742 NL80211_FLAG_NEED_RTNL,
9745 .cmd = NL80211_CMD_FRAME,
9746 .doit = nl80211_tx_mgmt,
9747 .policy = nl80211_policy,
9748 .flags = GENL_ADMIN_PERM,
9749 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9750 NL80211_FLAG_NEED_RTNL,
9753 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
9754 .doit = nl80211_tx_mgmt_cancel_wait,
9755 .policy = nl80211_policy,
9756 .flags = GENL_ADMIN_PERM,
9757 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9758 NL80211_FLAG_NEED_RTNL,
9761 .cmd = NL80211_CMD_SET_POWER_SAVE,
9762 .doit = nl80211_set_power_save,
9763 .policy = nl80211_policy,
9764 .flags = GENL_ADMIN_PERM,
9765 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9766 NL80211_FLAG_NEED_RTNL,
9769 .cmd = NL80211_CMD_GET_POWER_SAVE,
9770 .doit = nl80211_get_power_save,
9771 .policy = nl80211_policy,
9772 /* can be retrieved by unprivileged users */
9773 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9774 NL80211_FLAG_NEED_RTNL,
9777 .cmd = NL80211_CMD_SET_CQM,
9778 .doit = nl80211_set_cqm,
9779 .policy = nl80211_policy,
9780 .flags = GENL_ADMIN_PERM,
9781 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9782 NL80211_FLAG_NEED_RTNL,
9785 .cmd = NL80211_CMD_SET_CHANNEL,
9786 .doit = nl80211_set_channel,
9787 .policy = nl80211_policy,
9788 .flags = GENL_ADMIN_PERM,
9789 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9790 NL80211_FLAG_NEED_RTNL,
9793 .cmd = NL80211_CMD_SET_WDS_PEER,
9794 .doit = nl80211_set_wds_peer,
9795 .policy = nl80211_policy,
9796 .flags = GENL_ADMIN_PERM,
9797 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9798 NL80211_FLAG_NEED_RTNL,
9801 .cmd = NL80211_CMD_JOIN_MESH,
9802 .doit = nl80211_join_mesh,
9803 .policy = nl80211_policy,
9804 .flags = GENL_ADMIN_PERM,
9805 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9806 NL80211_FLAG_NEED_RTNL,
9809 .cmd = NL80211_CMD_LEAVE_MESH,
9810 .doit = nl80211_leave_mesh,
9811 .policy = nl80211_policy,
9812 .flags = GENL_ADMIN_PERM,
9813 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9814 NL80211_FLAG_NEED_RTNL,
9818 .cmd = NL80211_CMD_GET_WOWLAN,
9819 .doit = nl80211_get_wowlan,
9820 .policy = nl80211_policy,
9821 /* can be retrieved by unprivileged users */
9822 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9823 NL80211_FLAG_NEED_RTNL,
9826 .cmd = NL80211_CMD_SET_WOWLAN,
9827 .doit = nl80211_set_wowlan,
9828 .policy = nl80211_policy,
9829 .flags = GENL_ADMIN_PERM,
9830 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9831 NL80211_FLAG_NEED_RTNL,
9835 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
9836 .doit = nl80211_set_rekey_data,
9837 .policy = nl80211_policy,
9838 .flags = GENL_ADMIN_PERM,
9839 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9840 NL80211_FLAG_NEED_RTNL,
9843 .cmd = NL80211_CMD_TDLS_MGMT,
9844 .doit = nl80211_tdls_mgmt,
9845 .policy = nl80211_policy,
9846 .flags = GENL_ADMIN_PERM,
9847 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9848 NL80211_FLAG_NEED_RTNL,
9851 .cmd = NL80211_CMD_TDLS_OPER,
9852 .doit = nl80211_tdls_oper,
9853 .policy = nl80211_policy,
9854 .flags = GENL_ADMIN_PERM,
9855 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9856 NL80211_FLAG_NEED_RTNL,
9859 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
9860 .doit = nl80211_register_unexpected_frame,
9861 .policy = nl80211_policy,
9862 .flags = GENL_ADMIN_PERM,
9863 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9864 NL80211_FLAG_NEED_RTNL,
9867 .cmd = NL80211_CMD_PROBE_CLIENT,
9868 .doit = nl80211_probe_client,
9869 .policy = nl80211_policy,
9870 .flags = GENL_ADMIN_PERM,
9871 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9872 NL80211_FLAG_NEED_RTNL,
9875 .cmd = NL80211_CMD_REGISTER_BEACONS,
9876 .doit = nl80211_register_beacons,
9877 .policy = nl80211_policy,
9878 .flags = GENL_ADMIN_PERM,
9879 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9880 NL80211_FLAG_NEED_RTNL,
9883 .cmd = NL80211_CMD_SET_NOACK_MAP,
9884 .doit = nl80211_set_noack_map,
9885 .policy = nl80211_policy,
9886 .flags = GENL_ADMIN_PERM,
9887 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9888 NL80211_FLAG_NEED_RTNL,
9891 .cmd = NL80211_CMD_START_P2P_DEVICE,
9892 .doit = nl80211_start_p2p_device,
9893 .policy = nl80211_policy,
9894 .flags = GENL_ADMIN_PERM,
9895 .internal_flags = NL80211_FLAG_NEED_WDEV |
9896 NL80211_FLAG_NEED_RTNL,
9899 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
9900 .doit = nl80211_stop_p2p_device,
9901 .policy = nl80211_policy,
9902 .flags = GENL_ADMIN_PERM,
9903 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9904 NL80211_FLAG_NEED_RTNL,
9907 .cmd = NL80211_CMD_SET_MCAST_RATE,
9908 .doit = nl80211_set_mcast_rate,
9909 .policy = nl80211_policy,
9910 .flags = GENL_ADMIN_PERM,
9911 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9912 NL80211_FLAG_NEED_RTNL,
9915 .cmd = NL80211_CMD_SET_MAC_ACL,
9916 .doit = nl80211_set_mac_acl,
9917 .policy = nl80211_policy,
9918 .flags = GENL_ADMIN_PERM,
9919 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9920 NL80211_FLAG_NEED_RTNL,
9923 .cmd = NL80211_CMD_RADAR_DETECT,
9924 .doit = nl80211_start_radar_detection,
9925 .policy = nl80211_policy,
9926 .flags = GENL_ADMIN_PERM,
9927 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9928 NL80211_FLAG_NEED_RTNL,
9931 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
9932 .doit = nl80211_get_protocol_features,
9933 .policy = nl80211_policy,
9936 .cmd = NL80211_CMD_UPDATE_FT_IES,
9937 .doit = nl80211_update_ft_ies,
9938 .policy = nl80211_policy,
9939 .flags = GENL_ADMIN_PERM,
9940 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9941 NL80211_FLAG_NEED_RTNL,
9944 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
9945 .doit = nl80211_crit_protocol_start,
9946 .policy = nl80211_policy,
9947 .flags = GENL_ADMIN_PERM,
9948 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9949 NL80211_FLAG_NEED_RTNL,
9952 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
9953 .doit = nl80211_crit_protocol_stop,
9954 .policy = nl80211_policy,
9955 .flags = GENL_ADMIN_PERM,
9956 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9957 NL80211_FLAG_NEED_RTNL,
9960 .cmd = NL80211_CMD_GET_COALESCE,
9961 .doit = nl80211_get_coalesce,
9962 .policy = nl80211_policy,
9963 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9964 NL80211_FLAG_NEED_RTNL,
9967 .cmd = NL80211_CMD_SET_COALESCE,
9968 .doit = nl80211_set_coalesce,
9969 .policy = nl80211_policy,
9970 .flags = GENL_ADMIN_PERM,
9971 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9972 NL80211_FLAG_NEED_RTNL,
9975 .cmd = NL80211_CMD_CHANNEL_SWITCH,
9976 .doit = nl80211_channel_switch,
9977 .policy = nl80211_policy,
9978 .flags = GENL_ADMIN_PERM,
9979 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9980 NL80211_FLAG_NEED_RTNL,
9983 .cmd = NL80211_CMD_VENDOR,
9984 .doit = nl80211_vendor_cmd,
9985 .policy = nl80211_policy,
9986 .flags = GENL_ADMIN_PERM,
9987 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9988 NL80211_FLAG_NEED_RTNL,
9991 .cmd = NL80211_CMD_SET_QOS_MAP,
9992 .doit = nl80211_set_qos_map,
9993 .policy = nl80211_policy,
9994 .flags = GENL_ADMIN_PERM,
9995 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9996 NL80211_FLAG_NEED_RTNL,
10000 /* notification functions */
10002 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
10004 struct sk_buff *msg;
10005 struct nl80211_dump_wiphy_state state = {};
10007 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10011 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
10016 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10017 NL80211_MCGRP_CONFIG, GFP_KERNEL);
10020 static int nl80211_add_scan_req(struct sk_buff *msg,
10021 struct cfg80211_registered_device *rdev)
10023 struct cfg80211_scan_request *req = rdev->scan_req;
10024 struct nlattr *nest;
10030 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
10032 goto nla_put_failure;
10033 for (i = 0; i < req->n_ssids; i++) {
10034 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
10035 goto nla_put_failure;
10037 nla_nest_end(msg, nest);
10039 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
10041 goto nla_put_failure;
10042 for (i = 0; i < req->n_channels; i++) {
10043 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
10044 goto nla_put_failure;
10046 nla_nest_end(msg, nest);
10049 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
10050 goto nla_put_failure;
10053 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
10054 goto nla_put_failure;
10061 static int nl80211_send_scan_msg(struct sk_buff *msg,
10062 struct cfg80211_registered_device *rdev,
10063 struct wireless_dev *wdev,
10064 u32 portid, u32 seq, int flags,
10069 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
10073 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10074 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10075 wdev->netdev->ifindex)) ||
10076 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10077 goto nla_put_failure;
10079 /* ignore errors and send incomplete event anyway */
10080 nl80211_add_scan_req(msg, rdev);
10082 return genlmsg_end(msg, hdr);
10085 genlmsg_cancel(msg, hdr);
10090 nl80211_send_sched_scan_msg(struct sk_buff *msg,
10091 struct cfg80211_registered_device *rdev,
10092 struct net_device *netdev,
10093 u32 portid, u32 seq, int flags, u32 cmd)
10097 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
10101 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10102 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10103 goto nla_put_failure;
10105 return genlmsg_end(msg, hdr);
10108 genlmsg_cancel(msg, hdr);
10112 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
10113 struct wireless_dev *wdev)
10115 struct sk_buff *msg;
10117 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10121 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
10122 NL80211_CMD_TRIGGER_SCAN) < 0) {
10127 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10128 NL80211_MCGRP_SCAN, GFP_KERNEL);
10131 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
10132 struct wireless_dev *wdev, bool aborted)
10134 struct sk_buff *msg;
10136 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10140 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
10141 aborted ? NL80211_CMD_SCAN_ABORTED :
10142 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
10150 void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
10151 struct sk_buff *msg)
10156 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10157 NL80211_MCGRP_SCAN, GFP_KERNEL);
10160 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
10161 struct net_device *netdev)
10163 struct sk_buff *msg;
10165 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10169 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
10170 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
10175 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10176 NL80211_MCGRP_SCAN, GFP_KERNEL);
10179 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
10180 struct net_device *netdev, u32 cmd)
10182 struct sk_buff *msg;
10184 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10188 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
10193 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10194 NL80211_MCGRP_SCAN, GFP_KERNEL);
10198 * This can happen on global regulatory changes or device specific settings
10199 * based on custom world regulatory domains.
10201 void nl80211_send_reg_change_event(struct regulatory_request *request)
10203 struct sk_buff *msg;
10206 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10210 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
10216 /* Userspace can always count this one always being set */
10217 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
10218 goto nla_put_failure;
10220 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
10221 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10222 NL80211_REGDOM_TYPE_WORLD))
10223 goto nla_put_failure;
10224 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
10225 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10226 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
10227 goto nla_put_failure;
10228 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
10229 request->intersect) {
10230 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10231 NL80211_REGDOM_TYPE_INTERSECTION))
10232 goto nla_put_failure;
10234 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
10235 NL80211_REGDOM_TYPE_COUNTRY) ||
10236 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
10238 goto nla_put_failure;
10241 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
10242 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
10243 goto nla_put_failure;
10245 genlmsg_end(msg, hdr);
10248 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
10249 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
10255 genlmsg_cancel(msg, hdr);
10259 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
10260 struct net_device *netdev,
10261 const u8 *buf, size_t len,
10262 enum nl80211_commands cmd, gfp_t gfp)
10264 struct sk_buff *msg;
10267 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10271 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10277 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10278 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10279 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
10280 goto nla_put_failure;
10282 genlmsg_end(msg, hdr);
10284 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10285 NL80211_MCGRP_MLME, gfp);
10289 genlmsg_cancel(msg, hdr);
10293 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
10294 struct net_device *netdev, const u8 *buf,
10295 size_t len, gfp_t gfp)
10297 nl80211_send_mlme_event(rdev, netdev, buf, len,
10298 NL80211_CMD_AUTHENTICATE, gfp);
10301 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
10302 struct net_device *netdev, const u8 *buf,
10303 size_t len, gfp_t gfp)
10305 nl80211_send_mlme_event(rdev, netdev, buf, len,
10306 NL80211_CMD_ASSOCIATE, gfp);
10309 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
10310 struct net_device *netdev, const u8 *buf,
10311 size_t len, gfp_t gfp)
10313 nl80211_send_mlme_event(rdev, netdev, buf, len,
10314 NL80211_CMD_DEAUTHENTICATE, gfp);
10317 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
10318 struct net_device *netdev, const u8 *buf,
10319 size_t len, gfp_t gfp)
10321 nl80211_send_mlme_event(rdev, netdev, buf, len,
10322 NL80211_CMD_DISASSOCIATE, gfp);
10325 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
10328 struct wireless_dev *wdev = dev->ieee80211_ptr;
10329 struct wiphy *wiphy = wdev->wiphy;
10330 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10331 const struct ieee80211_mgmt *mgmt = (void *)buf;
10334 if (WARN_ON(len < 2))
10337 if (ieee80211_is_deauth(mgmt->frame_control))
10338 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
10340 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
10342 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
10343 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC);
10345 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
10347 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
10348 struct net_device *netdev, int cmd,
10349 const u8 *addr, gfp_t gfp)
10351 struct sk_buff *msg;
10354 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10358 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10364 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10365 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10366 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
10367 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10368 goto nla_put_failure;
10370 genlmsg_end(msg, hdr);
10372 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10373 NL80211_MCGRP_MLME, gfp);
10377 genlmsg_cancel(msg, hdr);
10381 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
10382 struct net_device *netdev, const u8 *addr,
10385 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
10389 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
10390 struct net_device *netdev, const u8 *addr,
10393 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
10397 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
10398 struct net_device *netdev, const u8 *bssid,
10399 const u8 *req_ie, size_t req_ie_len,
10400 const u8 *resp_ie, size_t resp_ie_len,
10401 u16 status, gfp_t gfp)
10403 struct sk_buff *msg;
10406 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10410 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
10416 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10417 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10418 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
10419 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
10421 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10423 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10424 goto nla_put_failure;
10426 genlmsg_end(msg, hdr);
10428 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10429 NL80211_MCGRP_MLME, gfp);
10433 genlmsg_cancel(msg, hdr);
10438 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
10439 struct net_device *netdev, const u8 *bssid,
10440 const u8 *req_ie, size_t req_ie_len,
10441 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
10443 struct sk_buff *msg;
10446 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10450 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
10456 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10457 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10458 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
10460 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10462 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10463 goto nla_put_failure;
10465 genlmsg_end(msg, hdr);
10467 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10468 NL80211_MCGRP_MLME, gfp);
10472 genlmsg_cancel(msg, hdr);
10477 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
10478 struct net_device *netdev, u16 reason,
10479 const u8 *ie, size_t ie_len, bool from_ap)
10481 struct sk_buff *msg;
10484 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10488 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
10494 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10495 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10496 (from_ap && reason &&
10497 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
10499 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
10500 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
10501 goto nla_put_failure;
10503 genlmsg_end(msg, hdr);
10505 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10506 NL80211_MCGRP_MLME, GFP_KERNEL);
10510 genlmsg_cancel(msg, hdr);
10515 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
10516 struct net_device *netdev, const u8 *bssid,
10519 struct sk_buff *msg;
10522 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10526 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
10532 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10533 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10534 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10535 goto nla_put_failure;
10537 genlmsg_end(msg, hdr);
10539 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10540 NL80211_MCGRP_MLME, gfp);
10544 genlmsg_cancel(msg, hdr);
10548 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
10549 const u8* ie, u8 ie_len, gfp_t gfp)
10551 struct wireless_dev *wdev = dev->ieee80211_ptr;
10552 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10553 struct sk_buff *msg;
10556 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
10559 trace_cfg80211_notify_new_peer_candidate(dev, addr);
10561 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10565 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
10571 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10572 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10573 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10575 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
10576 goto nla_put_failure;
10578 genlmsg_end(msg, hdr);
10580 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10581 NL80211_MCGRP_MLME, gfp);
10585 genlmsg_cancel(msg, hdr);
10588 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
10590 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
10591 struct net_device *netdev, const u8 *addr,
10592 enum nl80211_key_type key_type, int key_id,
10593 const u8 *tsc, gfp_t gfp)
10595 struct sk_buff *msg;
10598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10602 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
10608 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10609 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10610 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
10611 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
10613 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
10614 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
10615 goto nla_put_failure;
10617 genlmsg_end(msg, hdr);
10619 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10620 NL80211_MCGRP_MLME, gfp);
10624 genlmsg_cancel(msg, hdr);
10628 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
10629 struct ieee80211_channel *channel_before,
10630 struct ieee80211_channel *channel_after)
10632 struct sk_buff *msg;
10634 struct nlattr *nl_freq;
10636 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
10640 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
10647 * Since we are applying the beacon hint to a wiphy we know its
10648 * wiphy_idx is valid
10650 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
10651 goto nla_put_failure;
10654 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
10656 goto nla_put_failure;
10657 if (nl80211_msg_put_channel(msg, channel_before, false))
10658 goto nla_put_failure;
10659 nla_nest_end(msg, nl_freq);
10662 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
10664 goto nla_put_failure;
10665 if (nl80211_msg_put_channel(msg, channel_after, false))
10666 goto nla_put_failure;
10667 nla_nest_end(msg, nl_freq);
10669 genlmsg_end(msg, hdr);
10672 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
10673 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
10679 genlmsg_cancel(msg, hdr);
10683 static void nl80211_send_remain_on_chan_event(
10684 int cmd, struct cfg80211_registered_device *rdev,
10685 struct wireless_dev *wdev, u64 cookie,
10686 struct ieee80211_channel *chan,
10687 unsigned int duration, gfp_t gfp)
10689 struct sk_buff *msg;
10692 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10696 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10702 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10703 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10704 wdev->netdev->ifindex)) ||
10705 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10706 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
10707 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10708 NL80211_CHAN_NO_HT) ||
10709 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
10710 goto nla_put_failure;
10712 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
10713 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
10714 goto nla_put_failure;
10716 genlmsg_end(msg, hdr);
10718 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10719 NL80211_MCGRP_MLME, gfp);
10723 genlmsg_cancel(msg, hdr);
10727 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
10728 struct ieee80211_channel *chan,
10729 unsigned int duration, gfp_t gfp)
10731 struct wiphy *wiphy = wdev->wiphy;
10732 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10734 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
10735 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
10736 rdev, wdev, cookie, chan,
10739 EXPORT_SYMBOL(cfg80211_ready_on_channel);
10741 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
10742 struct ieee80211_channel *chan,
10745 struct wiphy *wiphy = wdev->wiphy;
10746 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10748 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
10749 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
10750 rdev, wdev, cookie, chan, 0, gfp);
10752 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
10754 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
10755 struct station_info *sinfo, gfp_t gfp)
10757 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10758 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10759 struct sk_buff *msg;
10761 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
10763 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10767 if (nl80211_send_station(msg, 0, 0, 0,
10768 rdev, dev, mac_addr, sinfo) < 0) {
10773 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10774 NL80211_MCGRP_MLME, gfp);
10776 EXPORT_SYMBOL(cfg80211_new_sta);
10778 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
10780 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10781 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10782 struct sk_buff *msg;
10785 trace_cfg80211_del_sta(dev, mac_addr);
10787 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10791 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
10797 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10798 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
10799 goto nla_put_failure;
10801 genlmsg_end(msg, hdr);
10803 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10804 NL80211_MCGRP_MLME, gfp);
10808 genlmsg_cancel(msg, hdr);
10811 EXPORT_SYMBOL(cfg80211_del_sta);
10813 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
10814 enum nl80211_connect_failed_reason reason,
10817 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10818 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10819 struct sk_buff *msg;
10822 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10826 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
10832 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10833 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
10834 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
10835 goto nla_put_failure;
10837 genlmsg_end(msg, hdr);
10839 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10840 NL80211_MCGRP_MLME, gfp);
10844 genlmsg_cancel(msg, hdr);
10847 EXPORT_SYMBOL(cfg80211_conn_failed);
10849 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
10850 const u8 *addr, gfp_t gfp)
10852 struct wireless_dev *wdev = dev->ieee80211_ptr;
10853 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10854 struct sk_buff *msg;
10856 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
10861 msg = nlmsg_new(100, gfp);
10865 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10871 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10872 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10873 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10874 goto nla_put_failure;
10876 genlmsg_end(msg, hdr);
10877 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10881 genlmsg_cancel(msg, hdr);
10886 bool cfg80211_rx_spurious_frame(struct net_device *dev,
10887 const u8 *addr, gfp_t gfp)
10889 struct wireless_dev *wdev = dev->ieee80211_ptr;
10892 trace_cfg80211_rx_spurious_frame(dev, addr);
10894 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10895 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
10896 trace_cfg80211_return_bool(false);
10899 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
10901 trace_cfg80211_return_bool(ret);
10904 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
10906 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
10907 const u8 *addr, gfp_t gfp)
10909 struct wireless_dev *wdev = dev->ieee80211_ptr;
10912 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
10914 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10915 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10916 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
10917 trace_cfg80211_return_bool(false);
10920 ret = __nl80211_unexpected_frame(dev,
10921 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
10923 trace_cfg80211_return_bool(ret);
10926 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
10928 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
10929 struct wireless_dev *wdev, u32 nlportid,
10930 int freq, int sig_dbm,
10931 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
10933 struct net_device *netdev = wdev->netdev;
10934 struct sk_buff *msg;
10937 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10941 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10947 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10948 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10949 netdev->ifindex)) ||
10950 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10951 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
10953 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10954 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10956 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
10957 goto nla_put_failure;
10959 genlmsg_end(msg, hdr);
10961 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10964 genlmsg_cancel(msg, hdr);
10969 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
10970 const u8 *buf, size_t len, bool ack, gfp_t gfp)
10972 struct wiphy *wiphy = wdev->wiphy;
10973 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10974 struct net_device *netdev = wdev->netdev;
10975 struct sk_buff *msg;
10978 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
10980 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10984 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
10990 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10991 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10992 netdev->ifindex)) ||
10993 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10994 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10995 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10996 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
10997 goto nla_put_failure;
10999 genlmsg_end(msg, hdr);
11001 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11002 NL80211_MCGRP_MLME, gfp);
11006 genlmsg_cancel(msg, hdr);
11009 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
11011 void cfg80211_cqm_rssi_notify(struct net_device *dev,
11012 enum nl80211_cqm_rssi_threshold_event rssi_event,
11015 struct wireless_dev *wdev = dev->ieee80211_ptr;
11016 struct wiphy *wiphy = wdev->wiphy;
11017 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11018 struct sk_buff *msg;
11019 struct nlattr *pinfoattr;
11022 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
11024 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11028 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11034 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11035 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
11036 goto nla_put_failure;
11038 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11040 goto nla_put_failure;
11042 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
11044 goto nla_put_failure;
11046 nla_nest_end(msg, pinfoattr);
11048 genlmsg_end(msg, hdr);
11050 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11051 NL80211_MCGRP_MLME, gfp);
11055 genlmsg_cancel(msg, hdr);
11058 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
11060 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
11061 struct net_device *netdev, const u8 *bssid,
11062 const u8 *replay_ctr, gfp_t gfp)
11064 struct sk_buff *msg;
11065 struct nlattr *rekey_attr;
11068 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11072 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
11078 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11079 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11080 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
11081 goto nla_put_failure;
11083 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
11085 goto nla_put_failure;
11087 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
11088 NL80211_REPLAY_CTR_LEN, replay_ctr))
11089 goto nla_put_failure;
11091 nla_nest_end(msg, rekey_attr);
11093 genlmsg_end(msg, hdr);
11095 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11096 NL80211_MCGRP_MLME, gfp);
11100 genlmsg_cancel(msg, hdr);
11104 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
11105 const u8 *replay_ctr, gfp_t gfp)
11107 struct wireless_dev *wdev = dev->ieee80211_ptr;
11108 struct wiphy *wiphy = wdev->wiphy;
11109 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11111 trace_cfg80211_gtk_rekey_notify(dev, bssid);
11112 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
11114 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
11117 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
11118 struct net_device *netdev, int index,
11119 const u8 *bssid, bool preauth, gfp_t gfp)
11121 struct sk_buff *msg;
11122 struct nlattr *attr;
11125 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11129 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
11135 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11136 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
11137 goto nla_put_failure;
11139 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
11141 goto nla_put_failure;
11143 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
11144 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
11146 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
11147 goto nla_put_failure;
11149 nla_nest_end(msg, attr);
11151 genlmsg_end(msg, hdr);
11153 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11154 NL80211_MCGRP_MLME, gfp);
11158 genlmsg_cancel(msg, hdr);
11162 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
11163 const u8 *bssid, bool preauth, gfp_t gfp)
11165 struct wireless_dev *wdev = dev->ieee80211_ptr;
11166 struct wiphy *wiphy = wdev->wiphy;
11167 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11169 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
11170 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
11172 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
11174 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
11175 struct net_device *netdev,
11176 struct cfg80211_chan_def *chandef,
11179 struct sk_buff *msg;
11182 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11186 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
11192 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
11193 goto nla_put_failure;
11195 if (nl80211_send_chandef(msg, chandef))
11196 goto nla_put_failure;
11198 genlmsg_end(msg, hdr);
11200 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11201 NL80211_MCGRP_MLME, gfp);
11205 genlmsg_cancel(msg, hdr);
11209 void cfg80211_ch_switch_notify(struct net_device *dev,
11210 struct cfg80211_chan_def *chandef)
11212 struct wireless_dev *wdev = dev->ieee80211_ptr;
11213 struct wiphy *wiphy = wdev->wiphy;
11214 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11216 ASSERT_WDEV_LOCK(wdev);
11218 trace_cfg80211_ch_switch_notify(dev, chandef);
11220 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
11221 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
11222 wdev->iftype != NL80211_IFTYPE_ADHOC &&
11223 wdev->iftype != NL80211_IFTYPE_MESH_POINT))
11226 wdev->chandef = *chandef;
11227 wdev->preset_chandef = *chandef;
11228 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
11230 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
11232 void cfg80211_cqm_txe_notify(struct net_device *dev,
11233 const u8 *peer, u32 num_packets,
11234 u32 rate, u32 intvl, gfp_t gfp)
11236 struct wireless_dev *wdev = dev->ieee80211_ptr;
11237 struct wiphy *wiphy = wdev->wiphy;
11238 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11239 struct sk_buff *msg;
11240 struct nlattr *pinfoattr;
11243 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
11247 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11253 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11254 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11255 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
11256 goto nla_put_failure;
11258 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11260 goto nla_put_failure;
11262 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
11263 goto nla_put_failure;
11265 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
11266 goto nla_put_failure;
11268 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
11269 goto nla_put_failure;
11271 nla_nest_end(msg, pinfoattr);
11273 genlmsg_end(msg, hdr);
11275 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11276 NL80211_MCGRP_MLME, gfp);
11280 genlmsg_cancel(msg, hdr);
11283 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
11286 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
11287 const struct cfg80211_chan_def *chandef,
11288 enum nl80211_radar_event event,
11289 struct net_device *netdev, gfp_t gfp)
11291 struct sk_buff *msg;
11294 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11298 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
11304 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
11305 goto nla_put_failure;
11307 /* NOP and radar events don't need a netdev parameter */
11309 struct wireless_dev *wdev = netdev->ieee80211_ptr;
11311 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11312 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11313 goto nla_put_failure;
11316 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
11317 goto nla_put_failure;
11319 if (nl80211_send_chandef(msg, chandef))
11320 goto nla_put_failure;
11322 genlmsg_end(msg, hdr);
11324 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11325 NL80211_MCGRP_MLME, gfp);
11329 genlmsg_cancel(msg, hdr);
11333 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
11334 const u8 *peer, u32 num_packets, gfp_t gfp)
11336 struct wireless_dev *wdev = dev->ieee80211_ptr;
11337 struct wiphy *wiphy = wdev->wiphy;
11338 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11339 struct sk_buff *msg;
11340 struct nlattr *pinfoattr;
11343 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
11345 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11349 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
11355 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11356 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11357 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
11358 goto nla_put_failure;
11360 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
11362 goto nla_put_failure;
11364 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
11365 goto nla_put_failure;
11367 nla_nest_end(msg, pinfoattr);
11369 genlmsg_end(msg, hdr);
11371 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11372 NL80211_MCGRP_MLME, gfp);
11376 genlmsg_cancel(msg, hdr);
11379 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
11381 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
11382 u64 cookie, bool acked, gfp_t gfp)
11384 struct wireless_dev *wdev = dev->ieee80211_ptr;
11385 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11386 struct sk_buff *msg;
11389 trace_cfg80211_probe_status(dev, addr, cookie, acked);
11391 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11396 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
11402 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11403 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11404 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
11405 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
11406 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
11407 goto nla_put_failure;
11409 genlmsg_end(msg, hdr);
11411 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11412 NL80211_MCGRP_MLME, gfp);
11416 genlmsg_cancel(msg, hdr);
11419 EXPORT_SYMBOL(cfg80211_probe_status);
11421 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
11422 const u8 *frame, size_t len,
11423 int freq, int sig_dbm)
11425 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11426 struct sk_buff *msg;
11428 struct cfg80211_beacon_registration *reg;
11430 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
11432 spin_lock_bh(&rdev->beacon_registrations_lock);
11433 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11434 msg = nlmsg_new(len + 100, GFP_ATOMIC);
11436 spin_unlock_bh(&rdev->beacon_registrations_lock);
11440 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
11442 goto nla_put_failure;
11444 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11446 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
11448 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
11449 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
11450 goto nla_put_failure;
11452 genlmsg_end(msg, hdr);
11454 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
11456 spin_unlock_bh(&rdev->beacon_registrations_lock);
11460 spin_unlock_bh(&rdev->beacon_registrations_lock);
11462 genlmsg_cancel(msg, hdr);
11465 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
11468 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
11469 struct cfg80211_wowlan_wakeup *wakeup,
11472 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11473 struct sk_buff *msg;
11477 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
11480 size += wakeup->packet_present_len;
11482 msg = nlmsg_new(size, gfp);
11486 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
11490 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11491 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11494 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11495 wdev->netdev->ifindex))
11499 struct nlattr *reasons;
11501 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
11505 if (wakeup->disconnect &&
11506 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
11508 if (wakeup->magic_pkt &&
11509 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
11511 if (wakeup->gtk_rekey_failure &&
11512 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
11514 if (wakeup->eap_identity_req &&
11515 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
11517 if (wakeup->four_way_handshake &&
11518 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
11520 if (wakeup->rfkill_release &&
11521 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
11524 if (wakeup->pattern_idx >= 0 &&
11525 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
11526 wakeup->pattern_idx))
11529 if (wakeup->tcp_match &&
11530 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
11533 if (wakeup->tcp_connlost &&
11534 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
11537 if (wakeup->tcp_nomoretokens &&
11539 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
11542 if (wakeup->packet) {
11543 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
11544 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
11546 if (!wakeup->packet_80211) {
11548 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
11550 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
11553 if (wakeup->packet_len &&
11554 nla_put_u32(msg, len_attr, wakeup->packet_len))
11557 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
11562 nla_nest_end(msg, reasons);
11565 genlmsg_end(msg, hdr);
11567 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11568 NL80211_MCGRP_MLME, gfp);
11574 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
11577 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
11578 enum nl80211_tdls_operation oper,
11579 u16 reason_code, gfp_t gfp)
11581 struct wireless_dev *wdev = dev->ieee80211_ptr;
11582 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11583 struct sk_buff *msg;
11586 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
11589 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11593 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
11599 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11600 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11601 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
11602 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
11603 (reason_code > 0 &&
11604 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
11605 goto nla_put_failure;
11607 genlmsg_end(msg, hdr);
11609 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11610 NL80211_MCGRP_MLME, gfp);
11614 genlmsg_cancel(msg, hdr);
11617 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
11619 static int nl80211_netlink_notify(struct notifier_block * nb,
11620 unsigned long state,
11623 struct netlink_notify *notify = _notify;
11624 struct cfg80211_registered_device *rdev;
11625 struct wireless_dev *wdev;
11626 struct cfg80211_beacon_registration *reg, *tmp;
11628 if (state != NETLINK_URELEASE)
11629 return NOTIFY_DONE;
11633 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
11634 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
11635 cfg80211_mlme_unregister_socket(wdev, notify->portid);
11637 spin_lock_bh(&rdev->beacon_registrations_lock);
11638 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
11640 if (reg->nlportid == notify->portid) {
11641 list_del(®->list);
11646 spin_unlock_bh(&rdev->beacon_registrations_lock);
11651 return NOTIFY_DONE;
11654 static struct notifier_block nl80211_netlink_notifier = {
11655 .notifier_call = nl80211_netlink_notify,
11658 void cfg80211_ft_event(struct net_device *netdev,
11659 struct cfg80211_ft_event_params *ft_event)
11661 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
11662 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11663 struct sk_buff *msg;
11666 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
11668 if (!ft_event->target_ap)
11671 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11675 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
11679 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11680 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11681 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
11684 if (ft_event->ies &&
11685 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
11687 if (ft_event->ric_ies &&
11688 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
11689 ft_event->ric_ies))
11692 genlmsg_end(msg, hdr);
11694 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11695 NL80211_MCGRP_MLME, GFP_KERNEL);
11700 EXPORT_SYMBOL(cfg80211_ft_event);
11702 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
11704 struct cfg80211_registered_device *rdev;
11705 struct sk_buff *msg;
11709 rdev = wiphy_to_dev(wdev->wiphy);
11710 if (!rdev->crit_proto_nlportid)
11713 nlportid = rdev->crit_proto_nlportid;
11714 rdev->crit_proto_nlportid = 0;
11716 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11720 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
11722 goto nla_put_failure;
11724 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11725 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11726 goto nla_put_failure;
11728 genlmsg_end(msg, hdr);
11730 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
11735 genlmsg_cancel(msg, hdr);
11739 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
11741 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
11743 struct wiphy *wiphy = wdev->wiphy;
11744 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11745 struct sk_buff *msg;
11748 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11752 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
11756 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11757 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
11758 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11761 genlmsg_end(msg, hdr);
11763 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
11764 NL80211_MCGRP_MLME, GFP_KERNEL);
11770 /* initialisation/exit functions */
11772 int nl80211_init(void)
11776 err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops,
11781 err = netlink_register_notifier(&nl80211_netlink_notifier);
11787 genl_unregister_family(&nl80211_fam);
11791 void nl80211_exit(void)
11793 netlink_unregister_notifier(&nl80211_netlink_notifier);
11794 genl_unregister_family(&nl80211_fam);