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,
56 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
59 static const struct genl_multicast_group nl80211_mcgrps[] = {
60 [NL80211_MCGRP_CONFIG] = { .name = "config", },
61 [NL80211_MCGRP_SCAN] = { .name = "scan", },
62 [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", },
63 [NL80211_MCGRP_MLME] = { .name = "mlme", },
64 #ifdef CONFIG_NL80211_TESTMODE
65 [NL80211_MCGRP_TESTMODE] = { .name = "testmode", }
69 /* returns ERR_PTR values */
70 static struct wireless_dev *
71 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
73 struct cfg80211_registered_device *rdev;
74 struct wireless_dev *result = NULL;
75 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
76 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
83 if (!have_ifidx && !have_wdev_id)
84 return ERR_PTR(-EINVAL);
87 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
89 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
90 wiphy_idx = wdev_id >> 32;
93 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
94 struct wireless_dev *wdev;
96 if (wiphy_net(&rdev->wiphy) != netns)
99 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
102 list_for_each_entry(wdev, &rdev->wdev_list, list) {
103 if (have_ifidx && wdev->netdev &&
104 wdev->netdev->ifindex == ifidx) {
108 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
120 return ERR_PTR(-ENODEV);
123 static struct cfg80211_registered_device *
124 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
126 struct cfg80211_registered_device *rdev = NULL, *tmp;
127 struct net_device *netdev;
131 if (!attrs[NL80211_ATTR_WIPHY] &&
132 !attrs[NL80211_ATTR_IFINDEX] &&
133 !attrs[NL80211_ATTR_WDEV])
134 return ERR_PTR(-EINVAL);
136 if (attrs[NL80211_ATTR_WIPHY])
137 rdev = cfg80211_rdev_by_wiphy_idx(
138 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
140 if (attrs[NL80211_ATTR_WDEV]) {
141 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
142 struct wireless_dev *wdev;
145 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
147 /* make sure wdev exists */
148 list_for_each_entry(wdev, &tmp->wdev_list, list) {
149 if (wdev->identifier != (u32)wdev_id)
158 if (rdev && tmp != rdev)
159 return ERR_PTR(-EINVAL);
164 if (attrs[NL80211_ATTR_IFINDEX]) {
165 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
166 netdev = dev_get_by_index(netns, ifindex);
168 if (netdev->ieee80211_ptr)
170 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 },
381 /* policy for the key attributes */
382 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
383 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
384 [NL80211_KEY_IDX] = { .type = NLA_U8 },
385 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
386 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
387 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
388 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
389 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
390 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
393 /* policy for the key default flags */
394 static const struct nla_policy
395 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
396 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
397 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
400 /* policy for WoWLAN attributes */
401 static const struct nla_policy
402 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
403 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
404 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
405 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
406 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
407 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
408 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
409 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
410 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
411 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
414 static const struct nla_policy
415 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
416 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
417 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
418 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
419 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
420 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
421 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
422 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
423 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
425 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
426 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
428 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
429 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
430 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
433 /* policy for coalesce rule attributes */
434 static const struct nla_policy
435 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
436 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
437 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
438 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
441 /* policy for GTK rekey offload attributes */
442 static const struct nla_policy
443 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
444 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
445 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
446 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
449 static const struct nla_policy
450 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
451 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
452 .len = IEEE80211_MAX_SSID_LEN },
453 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
456 static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
457 struct netlink_callback *cb,
458 struct cfg80211_registered_device **rdev,
459 struct wireless_dev **wdev)
466 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
467 nl80211_fam.attrbuf, nl80211_fam.maxattr,
472 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk),
473 nl80211_fam.attrbuf);
475 err = PTR_ERR(*wdev);
478 *rdev = wiphy_to_dev((*wdev)->wiphy);
479 /* 0 is the first index - add 1 to parse only once */
480 cb->args[0] = (*rdev)->wiphy_idx + 1;
481 cb->args[1] = (*wdev)->identifier;
483 /* subtract the 1 again here */
484 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
485 struct wireless_dev *tmp;
491 *rdev = wiphy_to_dev(wiphy);
494 list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
495 if (tmp->identifier == cb->args[1]) {
513 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
519 static bool is_valid_ie_attr(const struct nlattr *attr)
527 pos = nla_data(attr);
548 /* message building helper */
549 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
552 /* since there is no private header just add the generic one */
553 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
556 static int nl80211_msg_put_channel(struct sk_buff *msg,
557 struct ieee80211_channel *chan,
560 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
562 goto nla_put_failure;
564 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
565 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
566 goto nla_put_failure;
567 if (chan->flags & IEEE80211_CHAN_NO_IR) {
568 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
569 goto nla_put_failure;
570 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
571 goto nla_put_failure;
573 if (chan->flags & IEEE80211_CHAN_RADAR) {
574 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
575 goto nla_put_failure;
579 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
581 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
583 goto nla_put_failure;
584 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
586 goto nla_put_failure;
591 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
592 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
593 goto nla_put_failure;
594 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
595 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
596 goto nla_put_failure;
597 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
598 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
599 goto nla_put_failure;
600 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
601 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
602 goto nla_put_failure;
605 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
606 DBM_TO_MBM(chan->max_power)))
607 goto nla_put_failure;
615 /* netlink command implementations */
622 bool def_uni, def_multi;
625 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
627 struct nlattr *tb[NL80211_KEY_MAX + 1];
628 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
633 k->def = !!tb[NL80211_KEY_DEFAULT];
634 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
643 if (tb[NL80211_KEY_IDX])
644 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
646 if (tb[NL80211_KEY_DATA]) {
647 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
648 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
651 if (tb[NL80211_KEY_SEQ]) {
652 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
653 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
656 if (tb[NL80211_KEY_CIPHER])
657 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
659 if (tb[NL80211_KEY_TYPE]) {
660 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
661 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
665 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
666 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
667 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
668 tb[NL80211_KEY_DEFAULT_TYPES],
669 nl80211_key_default_policy);
673 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
674 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
680 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
682 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
683 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
684 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
687 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
688 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
689 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
692 if (info->attrs[NL80211_ATTR_KEY_IDX])
693 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
695 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
696 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
698 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
699 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
708 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
709 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
710 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
714 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
715 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
716 int err = nla_parse_nested(
717 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
718 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
719 nl80211_key_default_policy);
723 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
724 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
730 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
734 memset(k, 0, sizeof(*k));
738 if (info->attrs[NL80211_ATTR_KEY])
739 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
741 err = nl80211_parse_key_old(info, k);
746 if (k->def && k->defmgmt)
750 if (k->def_uni || !k->def_multi)
756 if (k->idx < 4 || k->idx > 5)
759 if (k->idx < 0 || k->idx > 3)
762 if (k->idx < 0 || k->idx > 5)
770 static struct cfg80211_cached_keys *
771 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
772 struct nlattr *keys, bool *no_ht)
774 struct key_parse parse;
776 struct cfg80211_cached_keys *result;
777 int rem, err, def = 0;
779 result = kzalloc(sizeof(*result), GFP_KERNEL);
781 return ERR_PTR(-ENOMEM);
784 result->defmgmt = -1;
786 nla_for_each_nested(key, keys, rem) {
787 memset(&parse, 0, sizeof(parse));
790 err = nl80211_parse_key_new(key, &parse);
796 if (parse.idx < 0 || parse.idx > 4)
802 result->def = parse.idx;
803 if (!parse.def_uni || !parse.def_multi)
805 } else if (parse.defmgmt)
807 err = cfg80211_validate_key_settings(rdev, &parse.p,
808 parse.idx, false, NULL);
811 result->params[parse.idx].cipher = parse.p.cipher;
812 result->params[parse.idx].key_len = parse.p.key_len;
813 result->params[parse.idx].key = result->data[parse.idx];
814 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
816 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
817 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
829 static int nl80211_key_allowed(struct wireless_dev *wdev)
831 ASSERT_WDEV_LOCK(wdev);
833 switch (wdev->iftype) {
834 case NL80211_IFTYPE_AP:
835 case NL80211_IFTYPE_AP_VLAN:
836 case NL80211_IFTYPE_P2P_GO:
837 case NL80211_IFTYPE_MESH_POINT:
839 case NL80211_IFTYPE_ADHOC:
840 case NL80211_IFTYPE_STATION:
841 case NL80211_IFTYPE_P2P_CLIENT:
842 if (!wdev->current_bss)
852 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
854 struct nlattr *nl_modes = nla_nest_start(msg, attr);
858 goto nla_put_failure;
862 if ((ifmodes & 1) && nla_put_flag(msg, i))
863 goto nla_put_failure;
868 nla_nest_end(msg, nl_modes);
875 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
879 struct nlattr *nl_combis;
882 nl_combis = nla_nest_start(msg,
883 NL80211_ATTR_INTERFACE_COMBINATIONS);
885 goto nla_put_failure;
887 for (i = 0; i < wiphy->n_iface_combinations; i++) {
888 const struct ieee80211_iface_combination *c;
889 struct nlattr *nl_combi, *nl_limits;
891 c = &wiphy->iface_combinations[i];
893 nl_combi = nla_nest_start(msg, i + 1);
895 goto nla_put_failure;
897 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
899 goto nla_put_failure;
901 for (j = 0; j < c->n_limits; j++) {
902 struct nlattr *nl_limit;
904 nl_limit = nla_nest_start(msg, j + 1);
906 goto nla_put_failure;
907 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
909 goto nla_put_failure;
910 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
912 goto nla_put_failure;
913 nla_nest_end(msg, nl_limit);
916 nla_nest_end(msg, nl_limits);
918 if (c->beacon_int_infra_match &&
919 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
920 goto nla_put_failure;
921 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
922 c->num_different_channels) ||
923 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
925 goto nla_put_failure;
927 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
928 c->radar_detect_widths))
929 goto nla_put_failure;
931 nla_nest_end(msg, nl_combi);
934 nla_nest_end(msg, nl_combis);
942 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
945 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
946 struct nlattr *nl_tcp;
951 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
955 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
956 tcp->data_payload_max))
959 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
960 tcp->data_payload_max))
963 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
966 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
967 sizeof(*tcp->tok), tcp->tok))
970 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
971 tcp->data_interval_max))
974 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
975 tcp->wake_payload_max))
978 nla_nest_end(msg, nl_tcp);
982 static int nl80211_send_wowlan(struct sk_buff *msg,
983 struct cfg80211_registered_device *dev,
986 struct nlattr *nl_wowlan;
988 if (!dev->wiphy.wowlan)
991 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
995 if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
996 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
997 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
998 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
999 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1000 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1001 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1002 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1003 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1004 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1005 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1006 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1007 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1008 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1009 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1010 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1013 if (dev->wiphy.wowlan->n_patterns) {
1014 struct nl80211_pattern_support pat = {
1015 .max_patterns = dev->wiphy.wowlan->n_patterns,
1016 .min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
1017 .max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
1018 .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset,
1021 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1026 if (large && nl80211_send_wowlan_tcp_caps(dev, msg))
1029 nla_nest_end(msg, nl_wowlan);
1035 static int nl80211_send_coalesce(struct sk_buff *msg,
1036 struct cfg80211_registered_device *dev)
1038 struct nl80211_coalesce_rule_support rule;
1040 if (!dev->wiphy.coalesce)
1043 rule.max_rules = dev->wiphy.coalesce->n_rules;
1044 rule.max_delay = dev->wiphy.coalesce->max_delay;
1045 rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns;
1046 rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len;
1047 rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len;
1048 rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset;
1050 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1056 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1057 struct ieee80211_supported_band *sband)
1059 struct nlattr *nl_rates, *nl_rate;
1060 struct ieee80211_rate *rate;
1064 if (sband->ht_cap.ht_supported &&
1065 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1066 sizeof(sband->ht_cap.mcs),
1067 &sband->ht_cap.mcs) ||
1068 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1069 sband->ht_cap.cap) ||
1070 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1071 sband->ht_cap.ampdu_factor) ||
1072 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1073 sband->ht_cap.ampdu_density)))
1077 if (sband->vht_cap.vht_supported &&
1078 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1079 sizeof(sband->vht_cap.vht_mcs),
1080 &sband->vht_cap.vht_mcs) ||
1081 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1082 sband->vht_cap.cap)))
1086 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1090 for (i = 0; i < sband->n_bitrates; i++) {
1091 nl_rate = nla_nest_start(msg, i);
1095 rate = &sband->bitrates[i];
1096 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1099 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1101 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1104 nla_nest_end(msg, nl_rate);
1107 nla_nest_end(msg, nl_rates);
1113 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1114 const struct ieee80211_txrx_stypes *mgmt_stypes)
1117 struct nlattr *nl_ftypes, *nl_ifs;
1118 enum nl80211_iftype ift;
1124 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1128 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1129 nl_ftypes = nla_nest_start(msg, ift);
1133 stypes = mgmt_stypes[ift].tx;
1136 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1137 (i << 4) | IEEE80211_FTYPE_MGMT))
1142 nla_nest_end(msg, nl_ftypes);
1145 nla_nest_end(msg, nl_ifs);
1147 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1151 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1152 nl_ftypes = nla_nest_start(msg, ift);
1156 stypes = mgmt_stypes[ift].rx;
1159 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1160 (i << 4) | IEEE80211_FTYPE_MGMT))
1165 nla_nest_end(msg, nl_ftypes);
1167 nla_nest_end(msg, nl_ifs);
1172 struct nl80211_dump_wiphy_state {
1175 long split_start, band_start, chan_start;
1179 static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
1180 struct sk_buff *msg, u32 portid, u32 seq,
1181 int flags, struct nl80211_dump_wiphy_state *state)
1184 struct nlattr *nl_bands, *nl_band;
1185 struct nlattr *nl_freqs, *nl_freq;
1186 struct nlattr *nl_cmds;
1187 enum ieee80211_band band;
1188 struct ieee80211_channel *chan;
1190 const struct ieee80211_txrx_stypes *mgmt_stypes =
1191 dev->wiphy.mgmt_stypes;
1194 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
1198 if (WARN_ON(!state))
1201 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
1202 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1203 wiphy_name(&dev->wiphy)) ||
1204 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1205 cfg80211_rdev_list_generation))
1206 goto nla_put_failure;
1208 switch (state->split_start) {
1210 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1211 dev->wiphy.retry_short) ||
1212 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1213 dev->wiphy.retry_long) ||
1214 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1215 dev->wiphy.frag_threshold) ||
1216 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1217 dev->wiphy.rts_threshold) ||
1218 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1219 dev->wiphy.coverage_class) ||
1220 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1221 dev->wiphy.max_scan_ssids) ||
1222 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1223 dev->wiphy.max_sched_scan_ssids) ||
1224 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1225 dev->wiphy.max_scan_ie_len) ||
1226 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1227 dev->wiphy.max_sched_scan_ie_len) ||
1228 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1229 dev->wiphy.max_match_sets))
1230 goto nla_put_failure;
1232 if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1233 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1234 goto nla_put_failure;
1235 if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1236 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1237 goto nla_put_failure;
1238 if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1239 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1240 goto nla_put_failure;
1241 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1242 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1243 goto nla_put_failure;
1244 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1245 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1246 goto nla_put_failure;
1247 if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1248 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1249 goto nla_put_failure;
1250 state->split_start++;
1254 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1255 sizeof(u32) * dev->wiphy.n_cipher_suites,
1256 dev->wiphy.cipher_suites))
1257 goto nla_put_failure;
1259 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1260 dev->wiphy.max_num_pmkids))
1261 goto nla_put_failure;
1263 if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1264 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1265 goto nla_put_failure;
1267 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1268 dev->wiphy.available_antennas_tx) ||
1269 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1270 dev->wiphy.available_antennas_rx))
1271 goto nla_put_failure;
1273 if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1274 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1275 dev->wiphy.probe_resp_offload))
1276 goto nla_put_failure;
1278 if ((dev->wiphy.available_antennas_tx ||
1279 dev->wiphy.available_antennas_rx) &&
1280 dev->ops->get_antenna) {
1281 u32 tx_ant = 0, rx_ant = 0;
1283 res = rdev_get_antenna(dev, &tx_ant, &rx_ant);
1285 if (nla_put_u32(msg,
1286 NL80211_ATTR_WIPHY_ANTENNA_TX,
1289 NL80211_ATTR_WIPHY_ANTENNA_RX,
1291 goto nla_put_failure;
1295 state->split_start++;
1299 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1300 dev->wiphy.interface_modes))
1301 goto nla_put_failure;
1302 state->split_start++;
1306 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1308 goto nla_put_failure;
1310 for (band = state->band_start;
1311 band < IEEE80211_NUM_BANDS; band++) {
1312 struct ieee80211_supported_band *sband;
1314 sband = dev->wiphy.bands[band];
1319 nl_band = nla_nest_start(msg, band);
1321 goto nla_put_failure;
1323 switch (state->chan_start) {
1325 if (nl80211_send_band_rateinfo(msg, sband))
1326 goto nla_put_failure;
1327 state->chan_start++;
1331 /* add frequencies */
1332 nl_freqs = nla_nest_start(
1333 msg, NL80211_BAND_ATTR_FREQS);
1335 goto nla_put_failure;
1337 for (i = state->chan_start - 1;
1338 i < sband->n_channels;
1340 nl_freq = nla_nest_start(msg, i);
1342 goto nla_put_failure;
1344 chan = &sband->channels[i];
1346 if (nl80211_msg_put_channel(
1349 goto nla_put_failure;
1351 nla_nest_end(msg, nl_freq);
1355 if (i < sband->n_channels)
1356 state->chan_start = i + 2;
1358 state->chan_start = 0;
1359 nla_nest_end(msg, nl_freqs);
1362 nla_nest_end(msg, nl_band);
1365 /* start again here */
1366 if (state->chan_start)
1371 nla_nest_end(msg, nl_bands);
1373 if (band < IEEE80211_NUM_BANDS)
1374 state->band_start = band + 1;
1376 state->band_start = 0;
1378 /* if bands & channels are done, continue outside */
1379 if (state->band_start == 0 && state->chan_start == 0)
1380 state->split_start++;
1384 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1386 goto nla_put_failure;
1389 #define CMD(op, n) \
1391 if (dev->ops->op) { \
1393 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1394 goto nla_put_failure; \
1398 CMD(add_virtual_intf, NEW_INTERFACE);
1399 CMD(change_virtual_intf, SET_INTERFACE);
1400 CMD(add_key, NEW_KEY);
1401 CMD(start_ap, START_AP);
1402 CMD(add_station, NEW_STATION);
1403 CMD(add_mpath, NEW_MPATH);
1404 CMD(update_mesh_config, SET_MESH_CONFIG);
1405 CMD(change_bss, SET_BSS);
1406 CMD(auth, AUTHENTICATE);
1407 CMD(assoc, ASSOCIATE);
1408 CMD(deauth, DEAUTHENTICATE);
1409 CMD(disassoc, DISASSOCIATE);
1410 CMD(join_ibss, JOIN_IBSS);
1411 CMD(join_mesh, JOIN_MESH);
1412 CMD(set_pmksa, SET_PMKSA);
1413 CMD(del_pmksa, DEL_PMKSA);
1414 CMD(flush_pmksa, FLUSH_PMKSA);
1415 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1416 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1417 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1418 CMD(mgmt_tx, FRAME);
1419 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1420 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1422 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1423 goto nla_put_failure;
1425 if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
1426 dev->ops->join_mesh) {
1428 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1429 goto nla_put_failure;
1431 CMD(set_wds_peer, SET_WDS_PEER);
1432 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1433 CMD(tdls_mgmt, TDLS_MGMT);
1434 CMD(tdls_oper, TDLS_OPER);
1436 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1437 CMD(sched_scan_start, START_SCHED_SCAN);
1438 CMD(probe_client, PROBE_CLIENT);
1439 CMD(set_noack_map, SET_NOACK_MAP);
1440 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1442 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1443 goto nla_put_failure;
1445 CMD(start_p2p_device, START_P2P_DEVICE);
1446 CMD(set_mcast_rate, SET_MCAST_RATE);
1448 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1449 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1450 if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
1451 CMD(channel_switch, CHANNEL_SWITCH);
1454 #ifdef CONFIG_NL80211_TESTMODE
1455 CMD(testmode_cmd, TESTMODE);
1460 if (dev->ops->connect || dev->ops->auth) {
1462 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1463 goto nla_put_failure;
1466 if (dev->ops->disconnect || dev->ops->deauth) {
1468 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1469 goto nla_put_failure;
1472 nla_nest_end(msg, nl_cmds);
1473 state->split_start++;
1477 if (dev->ops->remain_on_channel &&
1478 (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1480 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1481 dev->wiphy.max_remain_on_channel_duration))
1482 goto nla_put_failure;
1484 if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1485 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1486 goto nla_put_failure;
1488 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1489 goto nla_put_failure;
1490 state->split_start++;
1495 if (nl80211_send_wowlan(msg, dev, state->split))
1496 goto nla_put_failure;
1497 state->split_start++;
1501 state->split_start++;
1504 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1505 dev->wiphy.software_iftypes))
1506 goto nla_put_failure;
1508 if (nl80211_put_iface_combinations(&dev->wiphy, msg,
1510 goto nla_put_failure;
1512 state->split_start++;
1516 if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1517 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1518 dev->wiphy.ap_sme_capa))
1519 goto nla_put_failure;
1521 features = dev->wiphy.features;
1523 * We can only add the per-channel limit information if the
1524 * dump is split, otherwise it makes it too big. Therefore
1525 * only advertise it in that case.
1528 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1529 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1530 goto nla_put_failure;
1532 if (dev->wiphy.ht_capa_mod_mask &&
1533 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1534 sizeof(*dev->wiphy.ht_capa_mod_mask),
1535 dev->wiphy.ht_capa_mod_mask))
1536 goto nla_put_failure;
1538 if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1539 dev->wiphy.max_acl_mac_addrs &&
1540 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1541 dev->wiphy.max_acl_mac_addrs))
1542 goto nla_put_failure;
1545 * Any information below this point is only available to
1546 * applications that can deal with it being split. This
1547 * helps ensure that newly added capabilities don't break
1548 * older tools by overrunning their buffers.
1550 * We still increment split_start so that in the split
1551 * case we'll continue with more data in the next round,
1552 * but break unconditionally so unsplit data stops here.
1554 state->split_start++;
1557 if (dev->wiphy.extended_capabilities &&
1558 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1559 dev->wiphy.extended_capabilities_len,
1560 dev->wiphy.extended_capabilities) ||
1561 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1562 dev->wiphy.extended_capabilities_len,
1563 dev->wiphy.extended_capabilities_mask)))
1564 goto nla_put_failure;
1566 if (dev->wiphy.vht_capa_mod_mask &&
1567 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1568 sizeof(*dev->wiphy.vht_capa_mod_mask),
1569 dev->wiphy.vht_capa_mod_mask))
1570 goto nla_put_failure;
1572 state->split_start++;
1575 if (nl80211_send_coalesce(msg, dev))
1576 goto nla_put_failure;
1578 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
1579 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
1580 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
1581 goto nla_put_failure;
1584 state->split_start = 0;
1587 return genlmsg_end(msg, hdr);
1590 genlmsg_cancel(msg, hdr);
1594 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1595 struct netlink_callback *cb,
1596 struct nl80211_dump_wiphy_state *state)
1598 struct nlattr **tb = nl80211_fam.attrbuf;
1599 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1600 tb, nl80211_fam.maxattr, nl80211_policy);
1601 /* ignore parse errors for backward compatibility */
1605 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1606 if (tb[NL80211_ATTR_WIPHY])
1607 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1608 if (tb[NL80211_ATTR_WDEV])
1609 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1610 if (tb[NL80211_ATTR_IFINDEX]) {
1611 struct net_device *netdev;
1612 struct cfg80211_registered_device *rdev;
1613 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1615 netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
1618 if (netdev->ieee80211_ptr) {
1619 rdev = wiphy_to_dev(
1620 netdev->ieee80211_ptr->wiphy);
1621 state->filter_wiphy = rdev->wiphy_idx;
1629 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1632 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1633 struct cfg80211_registered_device *dev;
1637 state = kzalloc(sizeof(*state), GFP_KERNEL);
1642 state->filter_wiphy = -1;
1643 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1649 cb->args[0] = (long)state;
1652 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1653 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1655 if (++idx <= state->start)
1657 if (state->filter_wiphy != -1 &&
1658 state->filter_wiphy != dev->wiphy_idx)
1660 /* attempt to fit multiple wiphy data chunks into the skb */
1662 ret = nl80211_send_wiphy(dev, skb,
1663 NETLINK_CB(cb->skb).portid,
1665 NLM_F_MULTI, state);
1668 * If sending the wiphy data didn't fit (ENOBUFS
1669 * or EMSGSIZE returned), this SKB is still
1670 * empty (so it's not too big because another
1671 * wiphy dataset is already in the skb) and
1672 * we've not tried to adjust the dump allocation
1673 * yet ... then adjust the alloc size to be
1674 * bigger, and return 1 but with the empty skb.
1675 * This results in an empty message being RX'ed
1676 * in userspace, but that is ignored.
1678 * We can then retry with the larger buffer.
1680 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1682 cb->min_dump_alloc < 4096) {
1683 cb->min_dump_alloc = 4096;
1690 } while (state->split_start > 0);
1700 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
1702 kfree((void *)cb->args[0]);
1706 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1708 struct sk_buff *msg;
1709 struct cfg80211_registered_device *dev = info->user_ptr[0];
1710 struct nl80211_dump_wiphy_state state = {};
1712 msg = nlmsg_new(4096, GFP_KERNEL);
1716 if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0,
1722 return genlmsg_reply(msg, info);
1725 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1726 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1727 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1728 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1729 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1730 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1733 static int parse_txq_params(struct nlattr *tb[],
1734 struct ieee80211_txq_params *txq_params)
1736 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1737 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1738 !tb[NL80211_TXQ_ATTR_AIFS])
1741 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
1742 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1743 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1744 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1745 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1747 if (txq_params->ac >= NL80211_NUM_ACS)
1753 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1756 * You can only set the channel explicitly for WDS interfaces,
1757 * all others have their channel managed via their respective
1758 * "establish a connection" command (connect, join, ...)
1760 * For AP/GO and mesh mode, the channel can be set with the
1761 * channel userspace API, but is only stored and passed to the
1762 * low-level driver when the AP starts or the mesh is joined.
1763 * This is for backward compatibility, userspace can also give
1764 * the channel in the start-ap or join-mesh commands instead.
1766 * Monitors are special as they are normally slaved to
1767 * whatever else is going on, so they have their own special
1768 * operation to set the monitor channel if possible.
1771 wdev->iftype == NL80211_IFTYPE_AP ||
1772 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1773 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1774 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1777 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1778 struct genl_info *info,
1779 struct cfg80211_chan_def *chandef)
1783 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1786 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1788 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
1789 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1790 chandef->center_freq1 = control_freq;
1791 chandef->center_freq2 = 0;
1793 /* Primary channel not allowed */
1794 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1797 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1798 enum nl80211_channel_type chantype;
1800 chantype = nla_get_u32(
1801 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1804 case NL80211_CHAN_NO_HT:
1805 case NL80211_CHAN_HT20:
1806 case NL80211_CHAN_HT40PLUS:
1807 case NL80211_CHAN_HT40MINUS:
1808 cfg80211_chandef_create(chandef, chandef->chan,
1814 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1816 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1817 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1818 chandef->center_freq1 =
1820 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1821 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1822 chandef->center_freq2 =
1824 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1827 if (!cfg80211_chandef_valid(chandef))
1830 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
1831 IEEE80211_CHAN_DISABLED))
1834 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
1835 chandef->width == NL80211_CHAN_WIDTH_10) &&
1836 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
1842 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1843 struct wireless_dev *wdev,
1844 struct genl_info *info)
1846 struct cfg80211_chan_def chandef;
1848 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
1851 iftype = wdev->iftype;
1853 if (!nl80211_can_set_dev_channel(wdev))
1856 result = nl80211_parse_chandef(rdev, info, &chandef);
1861 case NL80211_IFTYPE_AP:
1862 case NL80211_IFTYPE_P2P_GO:
1863 if (wdev->beacon_interval) {
1867 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
1871 wdev->preset_chandef = chandef;
1874 case NL80211_IFTYPE_MESH_POINT:
1875 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
1877 case NL80211_IFTYPE_MONITOR:
1878 result = cfg80211_set_monitor_channel(rdev, &chandef);
1887 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1889 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1890 struct net_device *netdev = info->user_ptr[1];
1892 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1895 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1897 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1898 struct net_device *dev = info->user_ptr[1];
1899 struct wireless_dev *wdev = dev->ieee80211_ptr;
1902 if (!info->attrs[NL80211_ATTR_MAC])
1905 if (netif_running(dev))
1908 if (!rdev->ops->set_wds_peer)
1911 if (wdev->iftype != NL80211_IFTYPE_WDS)
1914 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1915 return rdev_set_wds_peer(rdev, dev, bssid);
1919 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1921 struct cfg80211_registered_device *rdev;
1922 struct net_device *netdev = NULL;
1923 struct wireless_dev *wdev;
1924 int result = 0, rem_txq_params = 0;
1925 struct nlattr *nl_txq_params;
1927 u8 retry_short = 0, retry_long = 0;
1928 u32 frag_threshold = 0, rts_threshold = 0;
1929 u8 coverage_class = 0;
1934 * Try to find the wiphy and netdev. Normally this
1935 * function shouldn't need the netdev, but this is
1936 * done for backward compatibility -- previously
1937 * setting the channel was done per wiphy, but now
1938 * it is per netdev. Previous userland like hostapd
1939 * also passed a netdev to set_wiphy, so that it is
1940 * possible to let that go to the right netdev!
1943 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1944 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1946 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1947 if (netdev && netdev->ieee80211_ptr)
1948 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1954 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
1957 return PTR_ERR(rdev);
1962 wdev = netdev->ieee80211_ptr;
1965 * end workaround code, by now the rdev is available
1966 * and locked, and wdev may or may not be NULL.
1969 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1970 result = cfg80211_dev_rename(
1971 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1976 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1977 struct ieee80211_txq_params txq_params;
1978 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1980 if (!rdev->ops->set_txq_params) {
1981 result = -EOPNOTSUPP;
1990 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1991 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1996 if (!netif_running(netdev)) {
2001 nla_for_each_nested(nl_txq_params,
2002 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2004 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
2005 nla_data(nl_txq_params),
2006 nla_len(nl_txq_params),
2008 result = parse_txq_params(tb, &txq_params);
2012 result = rdev_set_txq_params(rdev, netdev,
2019 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2020 result = __nl80211_set_channel(rdev,
2021 nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
2027 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2028 struct wireless_dev *txp_wdev = wdev;
2029 enum nl80211_tx_power_setting type;
2032 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2035 if (!rdev->ops->set_tx_power) {
2036 result = -EOPNOTSUPP;
2040 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2041 type = nla_get_u32(info->attrs[idx]);
2043 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2044 (type != NL80211_TX_POWER_AUTOMATIC)) {
2049 if (type != NL80211_TX_POWER_AUTOMATIC) {
2050 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2051 mbm = nla_get_u32(info->attrs[idx]);
2054 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2059 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2060 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2062 if ((!rdev->wiphy.available_antennas_tx &&
2063 !rdev->wiphy.available_antennas_rx) ||
2064 !rdev->ops->set_antenna) {
2065 result = -EOPNOTSUPP;
2069 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2070 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2072 /* reject antenna configurations which don't match the
2073 * available antenna masks, except for the "all" mask */
2074 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2075 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
2080 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2081 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2083 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2090 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2091 retry_short = nla_get_u8(
2092 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2093 if (retry_short == 0) {
2097 changed |= WIPHY_PARAM_RETRY_SHORT;
2100 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2101 retry_long = nla_get_u8(
2102 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2103 if (retry_long == 0) {
2107 changed |= WIPHY_PARAM_RETRY_LONG;
2110 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2111 frag_threshold = nla_get_u32(
2112 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2113 if (frag_threshold < 256) {
2117 if (frag_threshold != (u32) -1) {
2119 * Fragments (apart from the last one) are required to
2120 * have even length. Make the fragmentation code
2121 * simpler by stripping LSB should someone try to use
2122 * odd threshold value.
2124 frag_threshold &= ~0x1;
2126 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2129 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2130 rts_threshold = nla_get_u32(
2131 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2132 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2135 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2136 coverage_class = nla_get_u8(
2137 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2138 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2142 u8 old_retry_short, old_retry_long;
2143 u32 old_frag_threshold, old_rts_threshold;
2144 u8 old_coverage_class;
2146 if (!rdev->ops->set_wiphy_params) {
2147 result = -EOPNOTSUPP;
2151 old_retry_short = rdev->wiphy.retry_short;
2152 old_retry_long = rdev->wiphy.retry_long;
2153 old_frag_threshold = rdev->wiphy.frag_threshold;
2154 old_rts_threshold = rdev->wiphy.rts_threshold;
2155 old_coverage_class = rdev->wiphy.coverage_class;
2157 if (changed & WIPHY_PARAM_RETRY_SHORT)
2158 rdev->wiphy.retry_short = retry_short;
2159 if (changed & WIPHY_PARAM_RETRY_LONG)
2160 rdev->wiphy.retry_long = retry_long;
2161 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2162 rdev->wiphy.frag_threshold = frag_threshold;
2163 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2164 rdev->wiphy.rts_threshold = rts_threshold;
2165 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2166 rdev->wiphy.coverage_class = coverage_class;
2168 result = rdev_set_wiphy_params(rdev, changed);
2170 rdev->wiphy.retry_short = old_retry_short;
2171 rdev->wiphy.retry_long = old_retry_long;
2172 rdev->wiphy.frag_threshold = old_frag_threshold;
2173 rdev->wiphy.rts_threshold = old_rts_threshold;
2174 rdev->wiphy.coverage_class = old_coverage_class;
2184 static inline u64 wdev_id(struct wireless_dev *wdev)
2186 return (u64)wdev->identifier |
2187 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
2190 static int nl80211_send_chandef(struct sk_buff *msg,
2191 const struct cfg80211_chan_def *chandef)
2193 WARN_ON(!cfg80211_chandef_valid(chandef));
2195 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2196 chandef->chan->center_freq))
2198 switch (chandef->width) {
2199 case NL80211_CHAN_WIDTH_20_NOHT:
2200 case NL80211_CHAN_WIDTH_20:
2201 case NL80211_CHAN_WIDTH_40:
2202 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2203 cfg80211_get_chandef_type(chandef)))
2209 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2211 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2213 if (chandef->center_freq2 &&
2214 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2219 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2220 struct cfg80211_registered_device *rdev,
2221 struct wireless_dev *wdev)
2223 struct net_device *dev = wdev->netdev;
2226 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
2231 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2232 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2233 goto nla_put_failure;
2235 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2236 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2237 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
2238 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2239 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2240 rdev->devlist_generation ^
2241 (cfg80211_rdev_list_generation << 2)))
2242 goto nla_put_failure;
2244 if (rdev->ops->get_channel) {
2246 struct cfg80211_chan_def chandef;
2248 ret = rdev_get_channel(rdev, wdev, &chandef);
2250 if (nl80211_send_chandef(msg, &chandef))
2251 goto nla_put_failure;
2255 if (wdev->ssid_len) {
2256 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2257 goto nla_put_failure;
2260 return genlmsg_end(msg, hdr);
2263 genlmsg_cancel(msg, hdr);
2267 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2271 int wp_start = cb->args[0];
2272 int if_start = cb->args[1];
2273 struct cfg80211_registered_device *rdev;
2274 struct wireless_dev *wdev;
2277 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2278 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2280 if (wp_idx < wp_start) {
2286 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2287 if (if_idx < if_start) {
2291 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2292 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2304 cb->args[0] = wp_idx;
2305 cb->args[1] = if_idx;
2310 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2312 struct sk_buff *msg;
2313 struct cfg80211_registered_device *dev = info->user_ptr[0];
2314 struct wireless_dev *wdev = info->user_ptr[1];
2316 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2320 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2326 return genlmsg_reply(msg, info);
2329 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2330 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2331 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2332 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2333 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2334 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2335 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
2338 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2340 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2348 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2349 nla, mntr_flags_policy))
2352 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2354 *mntrflags |= (1<<flag);
2359 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2360 struct net_device *netdev, u8 use_4addr,
2361 enum nl80211_iftype iftype)
2364 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2370 case NL80211_IFTYPE_AP_VLAN:
2371 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2374 case NL80211_IFTYPE_STATION:
2375 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2385 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2387 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2388 struct vif_params params;
2390 enum nl80211_iftype otype, ntype;
2391 struct net_device *dev = info->user_ptr[1];
2392 u32 _flags, *flags = NULL;
2393 bool change = false;
2395 memset(¶ms, 0, sizeof(params));
2397 otype = ntype = dev->ieee80211_ptr->iftype;
2399 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2400 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2403 if (ntype > NL80211_IFTYPE_MAX)
2407 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2408 struct wireless_dev *wdev = dev->ieee80211_ptr;
2410 if (ntype != NL80211_IFTYPE_MESH_POINT)
2412 if (netif_running(dev))
2416 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2417 IEEE80211_MAX_MESH_ID_LEN);
2418 wdev->mesh_id_up_len =
2419 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2420 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2421 wdev->mesh_id_up_len);
2425 if (info->attrs[NL80211_ATTR_4ADDR]) {
2426 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2428 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2432 params.use_4addr = -1;
2435 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2436 if (ntype != NL80211_IFTYPE_MONITOR)
2438 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2447 if (flags && (*flags & MONITOR_FLAG_ACTIVE) &&
2448 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2452 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2456 if (!err && params.use_4addr != -1)
2457 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2462 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2464 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2465 struct vif_params params;
2466 struct wireless_dev *wdev;
2467 struct sk_buff *msg;
2469 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2472 memset(¶ms, 0, sizeof(params));
2474 if (!info->attrs[NL80211_ATTR_IFNAME])
2477 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2478 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2479 if (type > NL80211_IFTYPE_MAX)
2483 if (!rdev->ops->add_virtual_intf ||
2484 !(rdev->wiphy.interface_modes & (1 << type)))
2487 if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) {
2488 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2490 if (!is_valid_ether_addr(params.macaddr))
2491 return -EADDRNOTAVAIL;
2494 if (info->attrs[NL80211_ATTR_4ADDR]) {
2495 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2496 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2501 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2505 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2506 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2509 if (!err && (flags & MONITOR_FLAG_ACTIVE) &&
2510 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2513 wdev = rdev_add_virtual_intf(rdev,
2514 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2515 type, err ? NULL : &flags, ¶ms);
2518 return PTR_ERR(wdev);
2522 case NL80211_IFTYPE_MESH_POINT:
2523 if (!info->attrs[NL80211_ATTR_MESH_ID])
2526 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2527 IEEE80211_MAX_MESH_ID_LEN);
2528 wdev->mesh_id_up_len =
2529 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2530 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2531 wdev->mesh_id_up_len);
2534 case NL80211_IFTYPE_P2P_DEVICE:
2536 * P2P Device doesn't have a netdev, so doesn't go
2537 * through the netdev notifier and must be added here
2539 mutex_init(&wdev->mtx);
2540 INIT_LIST_HEAD(&wdev->event_list);
2541 spin_lock_init(&wdev->event_lock);
2542 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2543 spin_lock_init(&wdev->mgmt_registrations_lock);
2545 wdev->identifier = ++rdev->wdev_id;
2546 list_add_rcu(&wdev->list, &rdev->wdev_list);
2547 rdev->devlist_generation++;
2553 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2559 return genlmsg_reply(msg, info);
2562 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2564 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2565 struct wireless_dev *wdev = info->user_ptr[1];
2567 if (!rdev->ops->del_virtual_intf)
2571 * If we remove a wireless device without a netdev then clear
2572 * user_ptr[1] so that nl80211_post_doit won't dereference it
2573 * to check if it needs to do dev_put(). Otherwise it crashes
2574 * since the wdev has been freed, unlike with a netdev where
2575 * we need the dev_put() for the netdev to really be freed.
2578 info->user_ptr[1] = NULL;
2580 return rdev_del_virtual_intf(rdev, wdev);
2583 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2586 struct net_device *dev = info->user_ptr[1];
2589 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2592 if (!rdev->ops->set_noack_map)
2595 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2597 return rdev_set_noack_map(rdev, dev, noack_map);
2600 struct get_key_cookie {
2601 struct sk_buff *msg;
2606 static void get_key_callback(void *c, struct key_params *params)
2609 struct get_key_cookie *cookie = c;
2612 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2613 params->key_len, params->key)) ||
2615 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2616 params->seq_len, params->seq)) ||
2618 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2620 goto nla_put_failure;
2622 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2624 goto nla_put_failure;
2627 nla_put(cookie->msg, NL80211_KEY_DATA,
2628 params->key_len, params->key)) ||
2630 nla_put(cookie->msg, NL80211_KEY_SEQ,
2631 params->seq_len, params->seq)) ||
2633 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2635 goto nla_put_failure;
2637 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2638 goto nla_put_failure;
2640 nla_nest_end(cookie->msg, key);
2647 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2649 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2651 struct net_device *dev = info->user_ptr[1];
2653 const u8 *mac_addr = NULL;
2655 struct get_key_cookie cookie = {
2659 struct sk_buff *msg;
2661 if (info->attrs[NL80211_ATTR_KEY_IDX])
2662 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2667 if (info->attrs[NL80211_ATTR_MAC])
2668 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2670 pairwise = !!mac_addr;
2671 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2672 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2673 if (kt >= NUM_NL80211_KEYTYPES)
2675 if (kt != NL80211_KEYTYPE_GROUP &&
2676 kt != NL80211_KEYTYPE_PAIRWISE)
2678 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2681 if (!rdev->ops->get_key)
2684 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2688 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2689 NL80211_CMD_NEW_KEY);
2691 goto nla_put_failure;
2694 cookie.idx = key_idx;
2696 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2697 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2698 goto nla_put_failure;
2700 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2701 goto nla_put_failure;
2703 if (pairwise && mac_addr &&
2704 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2707 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2714 goto nla_put_failure;
2716 genlmsg_end(msg, hdr);
2717 return genlmsg_reply(msg, info);
2726 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2728 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2729 struct key_parse key;
2731 struct net_device *dev = info->user_ptr[1];
2733 err = nl80211_parse_key(info, &key);
2740 /* only support setting default key */
2741 if (!key.def && !key.defmgmt)
2744 wdev_lock(dev->ieee80211_ptr);
2747 if (!rdev->ops->set_default_key) {
2752 err = nl80211_key_allowed(dev->ieee80211_ptr);
2756 err = rdev_set_default_key(rdev, dev, key.idx,
2757 key.def_uni, key.def_multi);
2762 #ifdef CONFIG_CFG80211_WEXT
2763 dev->ieee80211_ptr->wext.default_key = key.idx;
2766 if (key.def_uni || !key.def_multi) {
2771 if (!rdev->ops->set_default_mgmt_key) {
2776 err = nl80211_key_allowed(dev->ieee80211_ptr);
2780 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
2784 #ifdef CONFIG_CFG80211_WEXT
2785 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
2790 wdev_unlock(dev->ieee80211_ptr);
2795 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2797 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2799 struct net_device *dev = info->user_ptr[1];
2800 struct key_parse key;
2801 const u8 *mac_addr = NULL;
2803 err = nl80211_parse_key(info, &key);
2810 if (info->attrs[NL80211_ATTR_MAC])
2811 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2813 if (key.type == -1) {
2815 key.type = NL80211_KEYTYPE_PAIRWISE;
2817 key.type = NL80211_KEYTYPE_GROUP;
2821 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2822 key.type != NL80211_KEYTYPE_GROUP)
2825 if (!rdev->ops->add_key)
2828 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2829 key.type == NL80211_KEYTYPE_PAIRWISE,
2833 wdev_lock(dev->ieee80211_ptr);
2834 err = nl80211_key_allowed(dev->ieee80211_ptr);
2836 err = rdev_add_key(rdev, dev, key.idx,
2837 key.type == NL80211_KEYTYPE_PAIRWISE,
2839 wdev_unlock(dev->ieee80211_ptr);
2844 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2846 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2848 struct net_device *dev = info->user_ptr[1];
2849 u8 *mac_addr = NULL;
2850 struct key_parse key;
2852 err = nl80211_parse_key(info, &key);
2856 if (info->attrs[NL80211_ATTR_MAC])
2857 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2859 if (key.type == -1) {
2861 key.type = NL80211_KEYTYPE_PAIRWISE;
2863 key.type = NL80211_KEYTYPE_GROUP;
2867 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2868 key.type != NL80211_KEYTYPE_GROUP)
2871 if (!rdev->ops->del_key)
2874 wdev_lock(dev->ieee80211_ptr);
2875 err = nl80211_key_allowed(dev->ieee80211_ptr);
2877 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2878 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2882 err = rdev_del_key(rdev, dev, key.idx,
2883 key.type == NL80211_KEYTYPE_PAIRWISE,
2886 #ifdef CONFIG_CFG80211_WEXT
2888 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2889 dev->ieee80211_ptr->wext.default_key = -1;
2890 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2891 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2894 wdev_unlock(dev->ieee80211_ptr);
2899 /* This function returns an error or the number of nested attributes */
2900 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
2902 struct nlattr *attr;
2903 int n_entries = 0, tmp;
2905 nla_for_each_nested(attr, nl_attr, tmp) {
2906 if (nla_len(attr) != ETH_ALEN)
2916 * This function parses ACL information and allocates memory for ACL data.
2917 * On successful return, the calling function is responsible to free the
2918 * ACL buffer returned by this function.
2920 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
2921 struct genl_info *info)
2923 enum nl80211_acl_policy acl_policy;
2924 struct nlattr *attr;
2925 struct cfg80211_acl_data *acl;
2926 int i = 0, n_entries, tmp;
2928 if (!wiphy->max_acl_mac_addrs)
2929 return ERR_PTR(-EOPNOTSUPP);
2931 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
2932 return ERR_PTR(-EINVAL);
2934 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
2935 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
2936 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
2937 return ERR_PTR(-EINVAL);
2939 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
2940 return ERR_PTR(-EINVAL);
2942 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
2944 return ERR_PTR(n_entries);
2946 if (n_entries > wiphy->max_acl_mac_addrs)
2947 return ERR_PTR(-ENOTSUPP);
2949 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
2952 return ERR_PTR(-ENOMEM);
2954 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
2955 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
2959 acl->n_acl_entries = n_entries;
2960 acl->acl_policy = acl_policy;
2965 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
2967 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2968 struct net_device *dev = info->user_ptr[1];
2969 struct cfg80211_acl_data *acl;
2972 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2973 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2976 if (!dev->ieee80211_ptr->beacon_interval)
2979 acl = parse_acl_data(&rdev->wiphy, info);
2981 return PTR_ERR(acl);
2983 err = rdev_set_mac_acl(rdev, dev, acl);
2990 static int nl80211_parse_beacon(struct nlattr *attrs[],
2991 struct cfg80211_beacon_data *bcn)
2993 bool haveinfo = false;
2995 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
2996 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
2997 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2998 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
3001 memset(bcn, 0, sizeof(*bcn));
3003 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
3004 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
3005 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
3011 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
3012 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
3013 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
3020 if (attrs[NL80211_ATTR_IE]) {
3021 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
3022 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
3025 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
3026 bcn->proberesp_ies =
3027 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3028 bcn->proberesp_ies_len =
3029 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3032 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
3033 bcn->assocresp_ies =
3034 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3035 bcn->assocresp_ies_len =
3036 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3039 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3040 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3041 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
3047 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3048 struct cfg80211_ap_settings *params)
3050 struct wireless_dev *wdev;
3053 list_for_each_entry(wdev, &rdev->wdev_list, list) {
3054 if (wdev->iftype != NL80211_IFTYPE_AP &&
3055 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3058 if (!wdev->preset_chandef.chan)
3061 params->chandef = wdev->preset_chandef;
3069 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3070 enum nl80211_auth_type auth_type,
3071 enum nl80211_commands cmd)
3073 if (auth_type > NL80211_AUTHTYPE_MAX)
3077 case NL80211_CMD_AUTHENTICATE:
3078 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3079 auth_type == NL80211_AUTHTYPE_SAE)
3082 case NL80211_CMD_CONNECT:
3083 case NL80211_CMD_START_AP:
3084 /* SAE not supported yet */
3085 if (auth_type == NL80211_AUTHTYPE_SAE)
3093 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3095 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3096 struct net_device *dev = info->user_ptr[1];
3097 struct wireless_dev *wdev = dev->ieee80211_ptr;
3098 struct cfg80211_ap_settings params;
3100 u8 radar_detect_width = 0;
3102 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3103 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3106 if (!rdev->ops->start_ap)
3109 if (wdev->beacon_interval)
3112 memset(¶ms, 0, sizeof(params));
3114 /* these are required for START_AP */
3115 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3116 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3117 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3120 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon);
3124 params.beacon_interval =
3125 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3126 params.dtim_period =
3127 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3129 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
3134 * In theory, some of these attributes should be required here
3135 * but since they were not used when the command was originally
3136 * added, keep them optional for old user space programs to let
3137 * them continue to work with drivers that do not need the
3138 * additional information -- drivers must check!
3140 if (info->attrs[NL80211_ATTR_SSID]) {
3141 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3143 nla_len(info->attrs[NL80211_ATTR_SSID]);
3144 if (params.ssid_len == 0 ||
3145 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3149 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3150 params.hidden_ssid = nla_get_u32(
3151 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3152 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3153 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3154 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3158 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3160 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3161 params.auth_type = nla_get_u32(
3162 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3163 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3164 NL80211_CMD_START_AP))
3167 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3169 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3170 NL80211_MAX_NR_CIPHER_SUITES);
3174 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3175 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3177 params.inactivity_timeout = nla_get_u16(
3178 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3181 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3182 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3184 params.p2p_ctwindow =
3185 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3186 if (params.p2p_ctwindow > 127)
3188 if (params.p2p_ctwindow != 0 &&
3189 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3193 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3196 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3198 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3201 params.p2p_opp_ps = tmp;
3202 if (params.p2p_opp_ps != 0 &&
3203 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3207 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3208 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
3211 } else if (wdev->preset_chandef.chan) {
3212 params.chandef = wdev->preset_chandef;
3213 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
3216 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
3219 err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef);
3223 radar_detect_width = BIT(params.chandef.width);
3224 params.radar_required = true;
3227 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
3228 params.chandef.chan,
3230 radar_detect_width);
3234 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3235 params.acl = parse_acl_data(&rdev->wiphy, info);
3236 if (IS_ERR(params.acl))
3237 return PTR_ERR(params.acl);
3241 err = rdev_start_ap(rdev, dev, ¶ms);
3243 wdev->preset_chandef = params.chandef;
3244 wdev->beacon_interval = params.beacon_interval;
3245 wdev->channel = params.chandef.chan;
3246 wdev->ssid_len = params.ssid_len;
3247 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
3256 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3258 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3259 struct net_device *dev = info->user_ptr[1];
3260 struct wireless_dev *wdev = dev->ieee80211_ptr;
3261 struct cfg80211_beacon_data params;
3264 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3265 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3268 if (!rdev->ops->change_beacon)
3271 if (!wdev->beacon_interval)
3274 err = nl80211_parse_beacon(info->attrs, ¶ms);
3279 err = rdev_change_beacon(rdev, dev, ¶ms);
3285 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
3287 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3288 struct net_device *dev = info->user_ptr[1];
3290 return cfg80211_stop_ap(rdev, dev);
3293 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
3294 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
3295 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
3296 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
3297 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
3298 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
3299 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
3302 static int parse_station_flags(struct genl_info *info,
3303 enum nl80211_iftype iftype,
3304 struct station_parameters *params)
3306 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
3311 * Try parsing the new attribute first so userspace
3312 * can specify both for older kernels.
3314 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
3316 struct nl80211_sta_flag_update *sta_flags;
3318 sta_flags = nla_data(nla);
3319 params->sta_flags_mask = sta_flags->mask;
3320 params->sta_flags_set = sta_flags->set;
3321 params->sta_flags_set &= params->sta_flags_mask;
3322 if ((params->sta_flags_mask |
3323 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
3328 /* if present, parse the old attribute */
3330 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
3334 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
3335 nla, sta_flags_policy))
3339 * Only allow certain flags for interface types so that
3340 * other attributes are silently ignored. Remember that
3341 * this is backward compatibility code with old userspace
3342 * and shouldn't be hit in other cases anyway.
3345 case NL80211_IFTYPE_AP:
3346 case NL80211_IFTYPE_AP_VLAN:
3347 case NL80211_IFTYPE_P2P_GO:
3348 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3349 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3350 BIT(NL80211_STA_FLAG_WME) |
3351 BIT(NL80211_STA_FLAG_MFP);
3353 case NL80211_IFTYPE_P2P_CLIENT:
3354 case NL80211_IFTYPE_STATION:
3355 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3356 BIT(NL80211_STA_FLAG_TDLS_PEER);
3358 case NL80211_IFTYPE_MESH_POINT:
3359 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3360 BIT(NL80211_STA_FLAG_MFP) |
3361 BIT(NL80211_STA_FLAG_AUTHORIZED);
3366 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
3368 params->sta_flags_set |= (1<<flag);
3370 /* no longer support new API additions in old API */
3371 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
3379 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
3382 struct nlattr *rate;
3386 rate = nla_nest_start(msg, attr);
3390 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3391 bitrate = cfg80211_calculate_bitrate(info);
3392 /* report 16-bit bitrate only if we can */
3393 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
3395 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
3397 if (bitrate_compat > 0 &&
3398 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
3401 if (info->flags & RATE_INFO_FLAGS_MCS) {
3402 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
3404 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3405 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3407 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3408 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3410 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
3411 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
3413 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
3415 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3416 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3418 if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
3419 nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
3421 if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
3422 nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
3424 if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
3425 nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
3427 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3428 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3432 nla_nest_end(msg, rate);
3436 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
3445 attr = nla_nest_start(msg, id);
3449 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3450 if (!(mask & BIT(i)))
3453 if (nla_put_u8(msg, i, signal[i]))
3457 nla_nest_end(msg, attr);
3462 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
3464 struct cfg80211_registered_device *rdev,
3465 struct net_device *dev,
3466 const u8 *mac_addr, struct station_info *sinfo)
3469 struct nlattr *sinfoattr, *bss_param;
3471 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3475 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3476 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
3477 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
3478 goto nla_put_failure;
3480 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
3482 goto nla_put_failure;
3483 if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
3484 nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
3485 sinfo->connected_time))
3486 goto nla_put_failure;
3487 if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
3488 nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
3489 sinfo->inactive_time))
3490 goto nla_put_failure;
3491 if ((sinfo->filled & (STATION_INFO_RX_BYTES |
3492 STATION_INFO_RX_BYTES64)) &&
3493 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
3494 (u32)sinfo->rx_bytes))
3495 goto nla_put_failure;
3496 if ((sinfo->filled & (STATION_INFO_TX_BYTES |
3497 STATION_INFO_TX_BYTES64)) &&
3498 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
3499 (u32)sinfo->tx_bytes))
3500 goto nla_put_failure;
3501 if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
3502 nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
3504 goto nla_put_failure;
3505 if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
3506 nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
3508 goto nla_put_failure;
3509 if ((sinfo->filled & STATION_INFO_LLID) &&
3510 nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
3511 goto nla_put_failure;
3512 if ((sinfo->filled & STATION_INFO_PLID) &&
3513 nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
3514 goto nla_put_failure;
3515 if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
3516 nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
3517 sinfo->plink_state))
3518 goto nla_put_failure;
3519 switch (rdev->wiphy.signal_type) {
3520 case CFG80211_SIGNAL_TYPE_MBM:
3521 if ((sinfo->filled & STATION_INFO_SIGNAL) &&
3522 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
3524 goto nla_put_failure;
3525 if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
3526 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
3528 goto nla_put_failure;
3533 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
3534 if (!nl80211_put_signal(msg, sinfo->chains,
3535 sinfo->chain_signal,
3536 NL80211_STA_INFO_CHAIN_SIGNAL))
3537 goto nla_put_failure;
3539 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
3540 if (!nl80211_put_signal(msg, sinfo->chains,
3541 sinfo->chain_signal_avg,
3542 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
3543 goto nla_put_failure;
3545 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
3546 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3547 NL80211_STA_INFO_TX_BITRATE))
3548 goto nla_put_failure;
3550 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
3551 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
3552 NL80211_STA_INFO_RX_BITRATE))
3553 goto nla_put_failure;
3555 if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
3556 nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
3558 goto nla_put_failure;
3559 if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
3560 nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
3562 goto nla_put_failure;
3563 if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
3564 nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
3566 goto nla_put_failure;
3567 if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
3568 nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
3570 goto nla_put_failure;
3571 if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
3572 nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
3573 sinfo->beacon_loss_count))
3574 goto nla_put_failure;
3575 if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
3576 nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
3578 goto nla_put_failure;
3579 if ((sinfo->filled & STATION_INFO_PEER_PM) &&
3580 nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
3582 goto nla_put_failure;
3583 if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
3584 nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
3586 goto nla_put_failure;
3587 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
3588 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3590 goto nla_put_failure;
3592 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3593 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3594 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3595 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3596 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3597 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3598 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3599 sinfo->bss_param.dtim_period) ||
3600 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3601 sinfo->bss_param.beacon_interval))
3602 goto nla_put_failure;
3604 nla_nest_end(msg, bss_param);
3606 if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
3607 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3608 sizeof(struct nl80211_sta_flag_update),
3610 goto nla_put_failure;
3611 if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
3612 nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
3614 goto nla_put_failure;
3615 nla_nest_end(msg, sinfoattr);
3617 if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
3618 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3619 sinfo->assoc_req_ies))
3620 goto nla_put_failure;
3622 return genlmsg_end(msg, hdr);
3625 genlmsg_cancel(msg, hdr);
3629 static int nl80211_dump_station(struct sk_buff *skb,
3630 struct netlink_callback *cb)
3632 struct station_info sinfo;
3633 struct cfg80211_registered_device *dev;
3634 struct wireless_dev *wdev;
3635 u8 mac_addr[ETH_ALEN];
3636 int sta_idx = cb->args[2];
3639 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
3643 if (!wdev->netdev) {
3648 if (!dev->ops->dump_station) {
3654 memset(&sinfo, 0, sizeof(sinfo));
3655 err = rdev_dump_station(dev, wdev->netdev, sta_idx,
3662 if (nl80211_send_station(skb,
3663 NETLINK_CB(cb->skb).portid,
3664 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3665 dev, wdev->netdev, mac_addr,
3674 cb->args[2] = sta_idx;
3677 nl80211_finish_wdev_dump(dev);
3682 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3684 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3685 struct net_device *dev = info->user_ptr[1];
3686 struct station_info sinfo;
3687 struct sk_buff *msg;
3688 u8 *mac_addr = NULL;
3691 memset(&sinfo, 0, sizeof(sinfo));
3693 if (!info->attrs[NL80211_ATTR_MAC])
3696 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3698 if (!rdev->ops->get_station)
3701 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
3705 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3709 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
3710 rdev, dev, mac_addr, &sinfo) < 0) {
3715 return genlmsg_reply(msg, info);
3718 int cfg80211_check_station_change(struct wiphy *wiphy,
3719 struct station_parameters *params,
3720 enum cfg80211_station_type statype)
3722 if (params->listen_interval != -1)
3727 /* When you run into this, adjust the code below for the new flag */
3728 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
3731 case CFG80211_STA_MESH_PEER_KERNEL:
3732 case CFG80211_STA_MESH_PEER_USER:
3734 * No ignoring the TDLS flag here -- the userspace mesh
3735 * code doesn't have the bug of including TDLS in the
3738 if (params->sta_flags_mask &
3739 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3740 BIT(NL80211_STA_FLAG_MFP) |
3741 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3744 case CFG80211_STA_TDLS_PEER_SETUP:
3745 case CFG80211_STA_TDLS_PEER_ACTIVE:
3746 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3748 /* ignore since it can't change */
3749 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3752 /* disallow mesh-specific things */
3753 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3755 if (params->local_pm)
3757 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3761 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
3762 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
3763 /* TDLS can't be set, ... */
3764 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3767 * ... but don't bother the driver with it. This works around
3768 * a hostapd/wpa_supplicant issue -- it always includes the
3769 * TLDS_PEER flag in the mask even for AP mode.
3771 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3774 if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
3775 /* reject other things that can't change */
3776 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
3778 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
3780 if (params->supported_rates)
3782 if (params->ext_capab || params->ht_capa || params->vht_capa)
3786 if (statype != CFG80211_STA_AP_CLIENT) {
3792 case CFG80211_STA_AP_MLME_CLIENT:
3793 /* Use this only for authorizing/unauthorizing a station */
3794 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3797 case CFG80211_STA_AP_CLIENT:
3798 /* accept only the listed bits */
3799 if (params->sta_flags_mask &
3800 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3801 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3802 BIT(NL80211_STA_FLAG_ASSOCIATED) |
3803 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3804 BIT(NL80211_STA_FLAG_WME) |
3805 BIT(NL80211_STA_FLAG_MFP)))
3808 /* but authenticated/associated only if driver handles it */
3809 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
3810 params->sta_flags_mask &
3811 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3812 BIT(NL80211_STA_FLAG_ASSOCIATED)))
3815 case CFG80211_STA_IBSS:
3816 case CFG80211_STA_AP_STA:
3817 /* reject any changes other than AUTHORIZED */
3818 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
3821 case CFG80211_STA_TDLS_PEER_SETUP:
3822 /* reject any changes other than AUTHORIZED or WME */
3823 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3824 BIT(NL80211_STA_FLAG_WME)))
3826 /* force (at least) rates when authorizing */
3827 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
3828 !params->supported_rates)
3831 case CFG80211_STA_TDLS_PEER_ACTIVE:
3832 /* reject any changes */
3834 case CFG80211_STA_MESH_PEER_KERNEL:
3835 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3838 case CFG80211_STA_MESH_PEER_USER:
3839 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3846 EXPORT_SYMBOL(cfg80211_check_station_change);
3849 * Get vlan interface making sure it is running and on the right wiphy.
3851 static struct net_device *get_vlan(struct genl_info *info,
3852 struct cfg80211_registered_device *rdev)
3854 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
3855 struct net_device *v;
3861 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
3863 return ERR_PTR(-ENODEV);
3865 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
3870 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
3871 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3872 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3877 if (!netif_running(v)) {
3885 return ERR_PTR(ret);
3888 static struct nla_policy
3889 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
3890 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
3891 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
3894 static int nl80211_parse_sta_wme(struct genl_info *info,
3895 struct station_parameters *params)
3897 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
3901 /* parse WME attributes if present */
3902 if (!info->attrs[NL80211_ATTR_STA_WME])
3905 nla = info->attrs[NL80211_ATTR_STA_WME];
3906 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
3907 nl80211_sta_wme_policy);
3911 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
3912 params->uapsd_queues = nla_get_u8(
3913 tb[NL80211_STA_WME_UAPSD_QUEUES]);
3914 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
3917 if (tb[NL80211_STA_WME_MAX_SP])
3918 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
3920 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
3923 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
3928 static int nl80211_parse_sta_channel_info(struct genl_info *info,
3929 struct station_parameters *params)
3931 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
3932 params->supported_channels =
3933 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
3934 params->supported_channels_len =
3935 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
3937 * Need to include at least one (first channel, number of
3938 * channels) tuple for each subband, and must have proper
3939 * tuples for the rest of the data as well.
3941 if (params->supported_channels_len < 2)
3943 if (params->supported_channels_len % 2)
3947 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
3948 params->supported_oper_classes =
3949 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
3950 params->supported_oper_classes_len =
3951 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
3953 * The value of the Length field of the Supported Operating
3954 * Classes element is between 2 and 253.
3956 if (params->supported_oper_classes_len < 2 ||
3957 params->supported_oper_classes_len > 253)
3963 static int nl80211_set_station_tdls(struct genl_info *info,
3964 struct station_parameters *params)
3967 /* Dummy STA entry gets updated once the peer capabilities are known */
3968 if (info->attrs[NL80211_ATTR_PEER_AID])
3969 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3970 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3972 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3973 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
3975 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
3977 err = nl80211_parse_sta_channel_info(info, params);
3981 return nl80211_parse_sta_wme(info, params);
3984 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
3986 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3987 struct net_device *dev = info->user_ptr[1];
3988 struct station_parameters params;
3992 memset(¶ms, 0, sizeof(params));
3994 params.listen_interval = -1;
3996 if (!rdev->ops->change_station)
3999 if (info->attrs[NL80211_ATTR_STA_AID])
4002 if (!info->attrs[NL80211_ATTR_MAC])
4005 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4007 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4008 params.supported_rates =
4009 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4010 params.supported_rates_len =
4011 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4014 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4016 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4017 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4020 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4022 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4023 params.ext_capab_len =
4024 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4027 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4030 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4033 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4034 params.plink_action =
4035 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4036 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4040 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
4041 params.plink_state =
4042 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4043 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4045 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4048 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4049 enum nl80211_mesh_power_mode pm = nla_get_u32(
4050 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4052 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4053 pm > NL80211_MESH_POWER_MAX)
4056 params.local_pm = pm;
4059 /* Include parameters for TDLS peer (will check later) */
4060 err = nl80211_set_station_tdls(info, ¶ms);
4064 params.vlan = get_vlan(info, rdev);
4065 if (IS_ERR(params.vlan))
4066 return PTR_ERR(params.vlan);
4068 switch (dev->ieee80211_ptr->iftype) {
4069 case NL80211_IFTYPE_AP:
4070 case NL80211_IFTYPE_AP_VLAN:
4071 case NL80211_IFTYPE_P2P_GO:
4072 case NL80211_IFTYPE_P2P_CLIENT:
4073 case NL80211_IFTYPE_STATION:
4074 case NL80211_IFTYPE_ADHOC:
4075 case NL80211_IFTYPE_MESH_POINT:
4082 /* driver will call cfg80211_check_station_change() */
4083 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4087 dev_put(params.vlan);
4092 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4094 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4096 struct net_device *dev = info->user_ptr[1];
4097 struct station_parameters params;
4098 u8 *mac_addr = NULL;
4100 memset(¶ms, 0, sizeof(params));
4102 if (!rdev->ops->add_station)
4105 if (!info->attrs[NL80211_ATTR_MAC])
4108 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4111 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4114 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4115 !info->attrs[NL80211_ATTR_PEER_AID])
4118 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4119 params.supported_rates =
4120 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4121 params.supported_rates_len =
4122 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4123 params.listen_interval =
4124 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4126 if (info->attrs[NL80211_ATTR_PEER_AID])
4127 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4129 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4130 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4133 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4135 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4136 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4139 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4141 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4142 params.ext_capab_len =
4143 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4146 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4148 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4150 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4152 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4154 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4155 params.plink_action =
4156 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4157 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4161 err = nl80211_parse_sta_channel_info(info, ¶ms);
4165 err = nl80211_parse_sta_wme(info, ¶ms);
4169 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4172 /* When you run into this, adjust the code below for the new flag */
4173 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4175 switch (dev->ieee80211_ptr->iftype) {
4176 case NL80211_IFTYPE_AP:
4177 case NL80211_IFTYPE_AP_VLAN:
4178 case NL80211_IFTYPE_P2P_GO:
4179 /* ignore WME attributes if iface/sta is not capable */
4180 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
4181 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
4182 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4184 /* TDLS peers cannot be added */
4185 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4186 info->attrs[NL80211_ATTR_PEER_AID])
4188 /* but don't bother the driver with it */
4189 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4191 /* allow authenticated/associated only if driver handles it */
4192 if (!(rdev->wiphy.features &
4193 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4194 params.sta_flags_mask &
4195 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4196 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4199 /* must be last in here for error handling */
4200 params.vlan = get_vlan(info, rdev);
4201 if (IS_ERR(params.vlan))
4202 return PTR_ERR(params.vlan);
4204 case NL80211_IFTYPE_MESH_POINT:
4205 /* ignore uAPSD data */
4206 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4208 /* associated is disallowed */
4209 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
4211 /* TDLS peers cannot be added */
4212 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4213 info->attrs[NL80211_ATTR_PEER_AID])
4216 case NL80211_IFTYPE_STATION:
4217 case NL80211_IFTYPE_P2P_CLIENT:
4218 /* ignore uAPSD data */
4219 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4221 /* these are disallowed */
4222 if (params.sta_flags_mask &
4223 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
4224 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
4226 /* Only TDLS peers can be added */
4227 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4229 /* Can only add if TDLS ... */
4230 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
4232 /* ... with external setup is supported */
4233 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
4236 * Older wpa_supplicant versions always mark the TDLS peer
4237 * as authorized, but it shouldn't yet be.
4239 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
4245 /* be aware of params.vlan when changing code here */
4247 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
4250 dev_put(params.vlan);
4254 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
4256 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4257 struct net_device *dev = info->user_ptr[1];
4258 u8 *mac_addr = NULL;
4260 if (info->attrs[NL80211_ATTR_MAC])
4261 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4263 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4264 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4265 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4266 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4269 if (!rdev->ops->del_station)
4272 return rdev_del_station(rdev, dev, mac_addr);
4275 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
4276 int flags, struct net_device *dev,
4277 u8 *dst, u8 *next_hop,
4278 struct mpath_info *pinfo)
4281 struct nlattr *pinfoattr;
4283 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
4287 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4288 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
4289 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
4290 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
4291 goto nla_put_failure;
4293 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
4295 goto nla_put_failure;
4296 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
4297 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
4299 goto nla_put_failure;
4300 if (((pinfo->filled & MPATH_INFO_SN) &&
4301 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
4302 ((pinfo->filled & MPATH_INFO_METRIC) &&
4303 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
4305 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
4306 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
4308 ((pinfo->filled & MPATH_INFO_FLAGS) &&
4309 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
4311 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
4312 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
4313 pinfo->discovery_timeout)) ||
4314 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
4315 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
4316 pinfo->discovery_retries)))
4317 goto nla_put_failure;
4319 nla_nest_end(msg, pinfoattr);
4321 return genlmsg_end(msg, hdr);
4324 genlmsg_cancel(msg, hdr);
4328 static int nl80211_dump_mpath(struct sk_buff *skb,
4329 struct netlink_callback *cb)
4331 struct mpath_info pinfo;
4332 struct cfg80211_registered_device *dev;
4333 struct wireless_dev *wdev;
4335 u8 next_hop[ETH_ALEN];
4336 int path_idx = cb->args[2];
4339 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
4343 if (!dev->ops->dump_mpath) {
4348 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
4354 err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst,
4361 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
4362 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4363 wdev->netdev, dst, next_hop,
4372 cb->args[2] = path_idx;
4375 nl80211_finish_wdev_dump(dev);
4379 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
4381 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4383 struct net_device *dev = info->user_ptr[1];
4384 struct mpath_info pinfo;
4385 struct sk_buff *msg;
4387 u8 next_hop[ETH_ALEN];
4389 memset(&pinfo, 0, sizeof(pinfo));
4391 if (!info->attrs[NL80211_ATTR_MAC])
4394 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4396 if (!rdev->ops->get_mpath)
4399 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4402 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
4406 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4410 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4411 dev, dst, next_hop, &pinfo) < 0) {
4416 return genlmsg_reply(msg, info);
4419 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
4421 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4422 struct net_device *dev = info->user_ptr[1];
4424 u8 *next_hop = NULL;
4426 if (!info->attrs[NL80211_ATTR_MAC])
4429 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4432 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4433 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4435 if (!rdev->ops->change_mpath)
4438 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4441 return rdev_change_mpath(rdev, dev, dst, next_hop);
4444 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
4446 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4447 struct net_device *dev = info->user_ptr[1];
4449 u8 *next_hop = NULL;
4451 if (!info->attrs[NL80211_ATTR_MAC])
4454 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4457 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4458 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4460 if (!rdev->ops->add_mpath)
4463 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4466 return rdev_add_mpath(rdev, dev, dst, next_hop);
4469 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
4471 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4472 struct net_device *dev = info->user_ptr[1];
4475 if (info->attrs[NL80211_ATTR_MAC])
4476 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4478 if (!rdev->ops->del_mpath)
4481 return rdev_del_mpath(rdev, dev, dst);
4484 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
4486 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4487 struct net_device *dev = info->user_ptr[1];
4488 struct wireless_dev *wdev = dev->ieee80211_ptr;
4489 struct bss_parameters params;
4492 memset(¶ms, 0, sizeof(params));
4493 /* default to not changing parameters */
4494 params.use_cts_prot = -1;
4495 params.use_short_preamble = -1;
4496 params.use_short_slot_time = -1;
4497 params.ap_isolate = -1;
4498 params.ht_opmode = -1;
4499 params.p2p_ctwindow = -1;
4500 params.p2p_opp_ps = -1;
4502 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
4503 params.use_cts_prot =
4504 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
4505 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
4506 params.use_short_preamble =
4507 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
4508 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
4509 params.use_short_slot_time =
4510 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
4511 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4512 params.basic_rates =
4513 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4514 params.basic_rates_len =
4515 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4517 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
4518 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
4519 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
4521 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
4523 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4524 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4526 params.p2p_ctwindow =
4527 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4528 if (params.p2p_ctwindow < 0)
4530 if (params.p2p_ctwindow != 0 &&
4531 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4535 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4538 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4540 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4543 params.p2p_opp_ps = tmp;
4544 if (params.p2p_opp_ps &&
4545 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4549 if (!rdev->ops->change_bss)
4552 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4553 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4557 err = rdev_change_bss(rdev, dev, ¶ms);
4563 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
4564 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
4565 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
4566 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
4567 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
4568 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
4569 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
4572 static int parse_reg_rule(struct nlattr *tb[],
4573 struct ieee80211_reg_rule *reg_rule)
4575 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
4576 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
4578 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
4580 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
4582 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
4584 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
4586 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
4589 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
4591 freq_range->start_freq_khz =
4592 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
4593 freq_range->end_freq_khz =
4594 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
4595 freq_range->max_bandwidth_khz =
4596 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
4598 power_rule->max_eirp =
4599 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
4601 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
4602 power_rule->max_antenna_gain =
4603 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
4608 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
4612 enum nl80211_user_reg_hint_type user_reg_hint_type;
4615 * You should only get this when cfg80211 hasn't yet initialized
4616 * completely when built-in to the kernel right between the time
4617 * window between nl80211_init() and regulatory_init(), if that is
4620 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
4621 return -EINPROGRESS;
4623 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4626 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4628 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
4629 user_reg_hint_type =
4630 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
4632 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
4634 switch (user_reg_hint_type) {
4635 case NL80211_USER_REG_HINT_USER:
4636 case NL80211_USER_REG_HINT_CELL_BASE:
4642 r = regulatory_hint_user(data, user_reg_hint_type);
4647 static int nl80211_get_mesh_config(struct sk_buff *skb,
4648 struct genl_info *info)
4650 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4651 struct net_device *dev = info->user_ptr[1];
4652 struct wireless_dev *wdev = dev->ieee80211_ptr;
4653 struct mesh_config cur_params;
4656 struct nlattr *pinfoattr;
4657 struct sk_buff *msg;
4659 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4662 if (!rdev->ops->get_mesh_config)
4666 /* If not connected, get default parameters */
4667 if (!wdev->mesh_id_len)
4668 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
4670 err = rdev_get_mesh_config(rdev, dev, &cur_params);
4676 /* Draw up a netlink message to send back */
4677 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4680 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4681 NL80211_CMD_GET_MESH_CONFIG);
4684 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
4686 goto nla_put_failure;
4687 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4688 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
4689 cur_params.dot11MeshRetryTimeout) ||
4690 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4691 cur_params.dot11MeshConfirmTimeout) ||
4692 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
4693 cur_params.dot11MeshHoldingTimeout) ||
4694 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
4695 cur_params.dot11MeshMaxPeerLinks) ||
4696 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
4697 cur_params.dot11MeshMaxRetries) ||
4698 nla_put_u8(msg, NL80211_MESHCONF_TTL,
4699 cur_params.dot11MeshTTL) ||
4700 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
4701 cur_params.element_ttl) ||
4702 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4703 cur_params.auto_open_plinks) ||
4704 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4705 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
4706 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4707 cur_params.dot11MeshHWMPmaxPREQretries) ||
4708 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
4709 cur_params.path_refresh_time) ||
4710 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4711 cur_params.min_discovery_timeout) ||
4712 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4713 cur_params.dot11MeshHWMPactivePathTimeout) ||
4714 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4715 cur_params.dot11MeshHWMPpreqMinInterval) ||
4716 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4717 cur_params.dot11MeshHWMPperrMinInterval) ||
4718 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4719 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
4720 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
4721 cur_params.dot11MeshHWMPRootMode) ||
4722 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4723 cur_params.dot11MeshHWMPRannInterval) ||
4724 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4725 cur_params.dot11MeshGateAnnouncementProtocol) ||
4726 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
4727 cur_params.dot11MeshForwarding) ||
4728 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
4729 cur_params.rssi_threshold) ||
4730 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
4731 cur_params.ht_opmode) ||
4732 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4733 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
4734 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4735 cur_params.dot11MeshHWMProotInterval) ||
4736 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4737 cur_params.dot11MeshHWMPconfirmationInterval) ||
4738 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
4739 cur_params.power_mode) ||
4740 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
4741 cur_params.dot11MeshAwakeWindowDuration) ||
4742 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4743 cur_params.plink_timeout))
4744 goto nla_put_failure;
4745 nla_nest_end(msg, pinfoattr);
4746 genlmsg_end(msg, hdr);
4747 return genlmsg_reply(msg, info);
4750 genlmsg_cancel(msg, hdr);
4756 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
4757 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
4758 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
4759 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
4760 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
4761 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
4762 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
4763 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
4764 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
4765 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
4766 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
4767 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
4768 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
4769 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
4770 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
4771 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
4772 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
4773 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
4774 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
4775 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
4776 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
4777 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
4778 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
4779 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
4780 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
4781 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
4782 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
4783 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
4784 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
4787 static const struct nla_policy
4788 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
4789 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
4790 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
4791 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
4792 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
4793 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
4794 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
4795 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
4796 .len = IEEE80211_MAX_DATA_LEN },
4797 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
4800 static int nl80211_parse_mesh_config(struct genl_info *info,
4801 struct mesh_config *cfg,
4804 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
4807 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4810 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4812 cfg->param = fn(tb[attr]); \
4813 mask |= (1 << (attr - 1)); \
4818 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
4820 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
4821 info->attrs[NL80211_ATTR_MESH_CONFIG],
4822 nl80211_meshconf_params_policy))
4825 /* This makes sure that there aren't more than 32 mesh config
4826 * parameters (otherwise our bitfield scheme would not work.) */
4827 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
4829 /* Fill in the params struct */
4830 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
4831 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
4833 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
4834 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4836 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
4837 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
4839 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
4840 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
4842 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
4843 mask, NL80211_MESHCONF_MAX_RETRIES,
4845 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
4846 mask, NL80211_MESHCONF_TTL, nla_get_u8);
4847 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
4848 mask, NL80211_MESHCONF_ELEMENT_TTL,
4850 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
4851 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4853 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
4855 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4857 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
4858 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4860 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
4861 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
4863 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
4864 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4866 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
4868 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4870 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
4872 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4874 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
4876 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4878 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4879 dot11MeshHWMPnetDiameterTraversalTime,
4881 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4883 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
4884 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
4886 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
4887 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4889 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4890 dot11MeshGateAnnouncementProtocol, 0, 1,
4891 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4893 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
4894 mask, NL80211_MESHCONF_FORWARDING,
4896 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
4897 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
4899 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
4900 mask, NL80211_MESHCONF_HT_OPMODE,
4902 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
4904 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4906 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
4907 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4909 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4910 dot11MeshHWMPconfirmationInterval,
4912 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4914 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
4915 NL80211_MESH_POWER_ACTIVE,
4916 NL80211_MESH_POWER_MAX,
4917 mask, NL80211_MESHCONF_POWER_MODE,
4919 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
4921 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
4922 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
4923 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
4930 #undef FILL_IN_MESH_PARAM_IF_SET
4933 static int nl80211_parse_mesh_setup(struct genl_info *info,
4934 struct mesh_setup *setup)
4936 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4937 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
4939 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
4941 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
4942 info->attrs[NL80211_ATTR_MESH_SETUP],
4943 nl80211_mesh_setup_params_policy))
4946 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
4947 setup->sync_method =
4948 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
4949 IEEE80211_SYNC_METHOD_VENDOR :
4950 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
4952 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
4953 setup->path_sel_proto =
4954 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
4955 IEEE80211_PATH_PROTOCOL_VENDOR :
4956 IEEE80211_PATH_PROTOCOL_HWMP;
4958 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
4959 setup->path_metric =
4960 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
4961 IEEE80211_PATH_METRIC_VENDOR :
4962 IEEE80211_PATH_METRIC_AIRTIME;
4965 if (tb[NL80211_MESH_SETUP_IE]) {
4966 struct nlattr *ieattr =
4967 tb[NL80211_MESH_SETUP_IE];
4968 if (!is_valid_ie_attr(ieattr))
4970 setup->ie = nla_data(ieattr);
4971 setup->ie_len = nla_len(ieattr);
4973 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
4974 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
4976 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
4977 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
4978 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
4979 if (setup->is_secure)
4980 setup->user_mpm = true;
4982 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
4983 if (!setup->user_mpm)
4986 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
4992 static int nl80211_update_mesh_config(struct sk_buff *skb,
4993 struct genl_info *info)
4995 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4996 struct net_device *dev = info->user_ptr[1];
4997 struct wireless_dev *wdev = dev->ieee80211_ptr;
4998 struct mesh_config cfg;
5002 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5005 if (!rdev->ops->update_mesh_config)
5008 err = nl80211_parse_mesh_config(info, &cfg, &mask);
5013 if (!wdev->mesh_id_len)
5017 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
5024 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
5026 const struct ieee80211_regdomain *regdom;
5027 struct sk_buff *msg;
5029 struct nlattr *nl_reg_rules;
5032 if (!cfg80211_regdomain)
5035 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5039 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5040 NL80211_CMD_GET_REG);
5044 if (reg_last_request_cell_base() &&
5045 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
5046 NL80211_USER_REG_HINT_CELL_BASE))
5047 goto nla_put_failure;
5050 regdom = rcu_dereference(cfg80211_regdomain);
5052 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
5053 (regdom->dfs_region &&
5054 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
5055 goto nla_put_failure_rcu;
5057 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
5059 goto nla_put_failure_rcu;
5061 for (i = 0; i < regdom->n_reg_rules; i++) {
5062 struct nlattr *nl_reg_rule;
5063 const struct ieee80211_reg_rule *reg_rule;
5064 const struct ieee80211_freq_range *freq_range;
5065 const struct ieee80211_power_rule *power_rule;
5067 reg_rule = ®dom->reg_rules[i];
5068 freq_range = ®_rule->freq_range;
5069 power_rule = ®_rule->power_rule;
5071 nl_reg_rule = nla_nest_start(msg, i);
5073 goto nla_put_failure_rcu;
5075 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
5077 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
5078 freq_range->start_freq_khz) ||
5079 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
5080 freq_range->end_freq_khz) ||
5081 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
5082 freq_range->max_bandwidth_khz) ||
5083 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
5084 power_rule->max_antenna_gain) ||
5085 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
5086 power_rule->max_eirp))
5087 goto nla_put_failure_rcu;
5089 nla_nest_end(msg, nl_reg_rule);
5093 nla_nest_end(msg, nl_reg_rules);
5095 genlmsg_end(msg, hdr);
5096 return genlmsg_reply(msg, info);
5098 nla_put_failure_rcu:
5101 genlmsg_cancel(msg, hdr);
5107 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
5109 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
5110 struct nlattr *nl_reg_rule;
5111 char *alpha2 = NULL;
5112 int rem_reg_rules = 0, r = 0;
5113 u32 num_rules = 0, rule_idx = 0, size_of_regd;
5114 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
5115 struct ieee80211_regdomain *rd = NULL;
5117 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5120 if (!info->attrs[NL80211_ATTR_REG_RULES])
5123 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5125 if (info->attrs[NL80211_ATTR_DFS_REGION])
5126 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
5128 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5131 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
5135 if (!reg_is_valid_request(alpha2))
5138 size_of_regd = sizeof(struct ieee80211_regdomain) +
5139 num_rules * sizeof(struct ieee80211_reg_rule);
5141 rd = kzalloc(size_of_regd, GFP_KERNEL);
5145 rd->n_reg_rules = num_rules;
5146 rd->alpha2[0] = alpha2[0];
5147 rd->alpha2[1] = alpha2[1];
5150 * Disable DFS master mode if the DFS region was
5151 * not supported or known on this kernel.
5153 if (reg_supported_dfs_region(dfs_region))
5154 rd->dfs_region = dfs_region;
5156 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5158 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
5159 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
5161 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
5167 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
5174 /* set_regdom took ownership */
5182 static int validate_scan_freqs(struct nlattr *freqs)
5184 struct nlattr *attr1, *attr2;
5185 int n_channels = 0, tmp1, tmp2;
5187 nla_for_each_nested(attr1, freqs, tmp1) {
5190 * Some hardware has a limited channel list for
5191 * scanning, and it is pretty much nonsensical
5192 * to scan for a channel twice, so disallow that
5193 * and don't require drivers to check that the
5194 * channel list they get isn't longer than what
5195 * they can scan, as long as they can scan all
5196 * the channels they registered at once.
5198 nla_for_each_nested(attr2, freqs, tmp2)
5199 if (attr1 != attr2 &&
5200 nla_get_u32(attr1) == nla_get_u32(attr2))
5207 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5209 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5210 struct wireless_dev *wdev = info->user_ptr[1];
5211 struct cfg80211_scan_request *request;
5212 struct nlattr *attr;
5213 struct wiphy *wiphy;
5214 int err, tmp, n_ssids = 0, n_channels, i;
5217 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5220 wiphy = &rdev->wiphy;
5222 if (!rdev->ops->scan)
5225 if (rdev->scan_req) {
5230 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5231 n_channels = validate_scan_freqs(
5232 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5238 enum ieee80211_band band;
5241 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5242 if (wiphy->bands[band])
5243 n_channels += wiphy->bands[band]->n_channels;
5246 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5247 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5250 if (n_ssids > wiphy->max_scan_ssids) {
5255 if (info->attrs[NL80211_ATTR_IE])
5256 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5260 if (ie_len > wiphy->max_scan_ie_len) {
5265 request = kzalloc(sizeof(*request)
5266 + sizeof(*request->ssids) * n_ssids
5267 + sizeof(*request->channels) * n_channels
5268 + ie_len, GFP_KERNEL);
5275 request->ssids = (void *)&request->channels[n_channels];
5276 request->n_ssids = n_ssids;
5279 request->ie = (void *)(request->ssids + n_ssids);
5281 request->ie = (void *)(request->channels + n_channels);
5285 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5286 /* user specified, bail out if channel not found */
5287 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
5288 struct ieee80211_channel *chan;
5290 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5297 /* ignore disabled channels */
5298 if (chan->flags & IEEE80211_CHAN_DISABLED)
5301 request->channels[i] = chan;
5305 enum ieee80211_band band;
5308 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5310 if (!wiphy->bands[band])
5312 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5313 struct ieee80211_channel *chan;
5315 chan = &wiphy->bands[band]->channels[j];
5317 if (chan->flags & IEEE80211_CHAN_DISABLED)
5320 request->channels[i] = chan;
5331 request->n_channels = i;
5334 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5335 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
5336 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5340 request->ssids[i].ssid_len = nla_len(attr);
5341 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
5346 if (info->attrs[NL80211_ATTR_IE]) {
5347 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5348 memcpy((void *)request->ie,
5349 nla_data(info->attrs[NL80211_ATTR_IE]),
5353 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
5354 if (wiphy->bands[i])
5356 (1 << wiphy->bands[i]->n_bitrates) - 1;
5358 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5359 nla_for_each_nested(attr,
5360 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5362 enum ieee80211_band band = nla_type(attr);
5364 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
5369 if (!wiphy->bands[band])
5372 err = ieee80211_get_ratemask(wiphy->bands[band],
5375 &request->rates[band]);
5381 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5382 request->flags = nla_get_u32(
5383 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5384 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5385 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
5392 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5394 request->wdev = wdev;
5395 request->wiphy = &rdev->wiphy;
5396 request->scan_start = jiffies;
5398 rdev->scan_req = request;
5399 err = rdev_scan(rdev, request);
5402 nl80211_send_scan_start(rdev, wdev);
5404 dev_hold(wdev->netdev);
5407 rdev->scan_req = NULL;
5415 static int nl80211_start_sched_scan(struct sk_buff *skb,
5416 struct genl_info *info)
5418 struct cfg80211_sched_scan_request *request;
5419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5420 struct net_device *dev = info->user_ptr[1];
5421 struct nlattr *attr;
5422 struct wiphy *wiphy;
5423 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
5425 enum ieee80211_band band;
5427 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
5429 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5430 !rdev->ops->sched_scan_start)
5433 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5436 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5439 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
5443 wiphy = &rdev->wiphy;
5445 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5446 n_channels = validate_scan_freqs(
5447 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5453 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5454 if (wiphy->bands[band])
5455 n_channels += wiphy->bands[band]->n_channels;
5458 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5459 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5463 if (n_ssids > wiphy->max_sched_scan_ssids)
5466 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
5467 nla_for_each_nested(attr,
5468 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5472 if (n_match_sets > wiphy->max_match_sets)
5475 if (info->attrs[NL80211_ATTR_IE])
5476 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5480 if (ie_len > wiphy->max_sched_scan_ie_len)
5483 if (rdev->sched_scan_req) {
5488 request = kzalloc(sizeof(*request)
5489 + sizeof(*request->ssids) * n_ssids
5490 + sizeof(*request->match_sets) * n_match_sets
5491 + sizeof(*request->channels) * n_channels
5492 + ie_len, GFP_KERNEL);
5499 request->ssids = (void *)&request->channels[n_channels];
5500 request->n_ssids = n_ssids;
5503 request->ie = (void *)(request->ssids + n_ssids);
5505 request->ie = (void *)(request->channels + n_channels);
5510 request->match_sets = (void *)(request->ie + ie_len);
5511 else if (request->ssids)
5512 request->match_sets =
5513 (void *)(request->ssids + n_ssids);
5515 request->match_sets =
5516 (void *)(request->channels + n_channels);
5518 request->n_match_sets = n_match_sets;
5521 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5522 /* user specified, bail out if channel not found */
5523 nla_for_each_nested(attr,
5524 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
5526 struct ieee80211_channel *chan;
5528 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5535 /* ignore disabled channels */
5536 if (chan->flags & IEEE80211_CHAN_DISABLED)
5539 request->channels[i] = chan;
5544 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5546 if (!wiphy->bands[band])
5548 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5549 struct ieee80211_channel *chan;
5551 chan = &wiphy->bands[band]->channels[j];
5553 if (chan->flags & IEEE80211_CHAN_DISABLED)
5556 request->channels[i] = chan;
5567 request->n_channels = i;
5570 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5571 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5573 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5577 request->ssids[i].ssid_len = nla_len(attr);
5578 memcpy(request->ssids[i].ssid, nla_data(attr),
5585 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5586 nla_for_each_nested(attr,
5587 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5589 struct nlattr *ssid, *rssi;
5591 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5592 nla_data(attr), nla_len(attr),
5593 nl80211_match_policy);
5594 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
5596 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
5600 memcpy(request->match_sets[i].ssid.ssid,
5601 nla_data(ssid), nla_len(ssid));
5602 request->match_sets[i].ssid.ssid_len =
5605 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5607 request->rssi_thold = nla_get_u32(rssi);
5609 request->rssi_thold =
5610 NL80211_SCAN_RSSI_THOLD_OFF;
5615 if (info->attrs[NL80211_ATTR_IE]) {
5616 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5617 memcpy((void *)request->ie,
5618 nla_data(info->attrs[NL80211_ATTR_IE]),
5622 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5623 request->flags = nla_get_u32(
5624 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5625 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5626 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
5633 request->wiphy = &rdev->wiphy;
5634 request->interval = interval;
5635 request->scan_start = jiffies;
5637 err = rdev_sched_scan_start(rdev, dev, request);
5639 rdev->sched_scan_req = request;
5640 nl80211_send_sched_scan(rdev, dev,
5641 NL80211_CMD_START_SCHED_SCAN);
5651 static int nl80211_stop_sched_scan(struct sk_buff *skb,
5652 struct genl_info *info)
5654 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5656 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5657 !rdev->ops->sched_scan_stop)
5660 return __cfg80211_stop_sched_scan(rdev, false);
5663 static int nl80211_start_radar_detection(struct sk_buff *skb,
5664 struct genl_info *info)
5666 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5667 struct net_device *dev = info->user_ptr[1];
5668 struct wireless_dev *wdev = dev->ieee80211_ptr;
5669 struct cfg80211_chan_def chandef;
5672 err = nl80211_parse_chandef(rdev, info, &chandef);
5676 if (netif_carrier_ok(dev))
5679 if (wdev->cac_started)
5682 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
5689 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
5692 if (!rdev->ops->start_radar_detection)
5695 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5696 chandef.chan, CHAN_MODE_SHARED,
5697 BIT(chandef.width));
5701 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
5703 wdev->channel = chandef.chan;
5704 wdev->cac_started = true;
5705 wdev->cac_start_time = jiffies;
5710 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
5712 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5713 struct net_device *dev = info->user_ptr[1];
5714 struct wireless_dev *wdev = dev->ieee80211_ptr;
5715 struct cfg80211_csa_settings params;
5716 /* csa_attrs is defined static to avoid waste of stack size - this
5717 * function is called under RTNL lock, so this should not be a problem.
5719 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
5720 u8 radar_detect_width = 0;
5722 bool need_new_beacon = false;
5724 if (!rdev->ops->channel_switch ||
5725 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
5728 switch (dev->ieee80211_ptr->iftype) {
5729 case NL80211_IFTYPE_AP:
5730 case NL80211_IFTYPE_P2P_GO:
5731 need_new_beacon = true;
5733 /* useless if AP is not running */
5734 if (!wdev->beacon_interval)
5737 case NL80211_IFTYPE_ADHOC:
5738 case NL80211_IFTYPE_MESH_POINT:
5744 memset(¶ms, 0, sizeof(params));
5746 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
5747 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
5750 /* only important for AP, IBSS and mesh create IEs internally */
5751 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
5754 params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
5756 if (!need_new_beacon)
5759 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
5763 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
5764 info->attrs[NL80211_ATTR_CSA_IES],
5769 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
5773 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
5776 params.counter_offset_beacon =
5777 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
5778 if (params.counter_offset_beacon >= params.beacon_csa.tail_len)
5781 /* sanity check - counters should be the same */
5782 if (params.beacon_csa.tail[params.counter_offset_beacon] !=
5786 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
5787 params.counter_offset_presp =
5788 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
5789 if (params.counter_offset_presp >=
5790 params.beacon_csa.probe_resp_len)
5793 if (params.beacon_csa.probe_resp[params.counter_offset_presp] !=
5799 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5803 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
5806 if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
5807 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO ||
5808 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC) {
5809 err = cfg80211_chandef_dfs_required(wdev->wiphy,
5814 radar_detect_width = BIT(params.chandef.width);
5815 params.radar_required = true;
5819 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5820 params.chandef.chan,
5822 radar_detect_width);
5826 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
5827 params.block_tx = true;
5830 err = rdev_channel_switch(rdev, dev, ¶ms);
5836 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5838 struct cfg80211_registered_device *rdev,
5839 struct wireless_dev *wdev,
5840 struct cfg80211_internal_bss *intbss)
5842 struct cfg80211_bss *res = &intbss->pub;
5843 const struct cfg80211_bss_ies *ies;
5848 ASSERT_WDEV_LOCK(wdev);
5850 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5851 NL80211_CMD_NEW_SCAN_RESULTS);
5855 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5857 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
5858 goto nla_put_failure;
5860 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5861 goto nla_put_failure;
5862 if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
5863 goto nla_put_failure;
5865 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5867 goto nla_put_failure;
5868 if ((!is_zero_ether_addr(res->bssid) &&
5869 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5870 goto nla_put_failure;
5873 ies = rcu_dereference(res->ies);
5875 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5876 goto fail_unlock_rcu;
5878 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5879 ies->len, ies->data))
5880 goto fail_unlock_rcu;
5882 ies = rcu_dereference(res->beacon_ies);
5884 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5885 goto fail_unlock_rcu;
5886 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
5887 ies->len, ies->data))
5888 goto fail_unlock_rcu;
5892 if (res->beacon_interval &&
5893 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
5894 goto nla_put_failure;
5895 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
5896 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
5897 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
5898 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
5899 jiffies_to_msecs(jiffies - intbss->ts)))
5900 goto nla_put_failure;
5902 switch (rdev->wiphy.signal_type) {
5903 case CFG80211_SIGNAL_TYPE_MBM:
5904 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
5905 goto nla_put_failure;
5907 case CFG80211_SIGNAL_TYPE_UNSPEC:
5908 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
5909 goto nla_put_failure;
5915 switch (wdev->iftype) {
5916 case NL80211_IFTYPE_P2P_CLIENT:
5917 case NL80211_IFTYPE_STATION:
5918 if (intbss == wdev->current_bss &&
5919 nla_put_u32(msg, NL80211_BSS_STATUS,
5920 NL80211_BSS_STATUS_ASSOCIATED))
5921 goto nla_put_failure;
5923 case NL80211_IFTYPE_ADHOC:
5924 if (intbss == wdev->current_bss &&
5925 nla_put_u32(msg, NL80211_BSS_STATUS,
5926 NL80211_BSS_STATUS_IBSS_JOINED))
5927 goto nla_put_failure;
5933 nla_nest_end(msg, bss);
5935 return genlmsg_end(msg, hdr);
5940 genlmsg_cancel(msg, hdr);
5944 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
5946 struct cfg80211_registered_device *rdev;
5947 struct cfg80211_internal_bss *scan;
5948 struct wireless_dev *wdev;
5949 int start = cb->args[2], idx = 0;
5952 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5957 spin_lock_bh(&rdev->bss_lock);
5958 cfg80211_bss_expire(rdev);
5960 cb->seq = rdev->bss_generation;
5962 list_for_each_entry(scan, &rdev->bss_list, list) {
5965 if (nl80211_send_bss(skb, cb,
5966 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5967 rdev, wdev, scan) < 0) {
5973 spin_unlock_bh(&rdev->bss_lock);
5977 nl80211_finish_wdev_dump(rdev);
5982 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
5983 int flags, struct net_device *dev,
5984 struct survey_info *survey)
5987 struct nlattr *infoattr;
5989 hdr = nl80211hdr_put(msg, portid, seq, flags,
5990 NL80211_CMD_NEW_SURVEY_RESULTS);
5994 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
5995 goto nla_put_failure;
5997 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
5999 goto nla_put_failure;
6001 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
6002 survey->channel->center_freq))
6003 goto nla_put_failure;
6005 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
6006 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
6007 goto nla_put_failure;
6008 if ((survey->filled & SURVEY_INFO_IN_USE) &&
6009 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
6010 goto nla_put_failure;
6011 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
6012 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
6013 survey->channel_time))
6014 goto nla_put_failure;
6015 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
6016 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
6017 survey->channel_time_busy))
6018 goto nla_put_failure;
6019 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
6020 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
6021 survey->channel_time_ext_busy))
6022 goto nla_put_failure;
6023 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
6024 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
6025 survey->channel_time_rx))
6026 goto nla_put_failure;
6027 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
6028 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
6029 survey->channel_time_tx))
6030 goto nla_put_failure;
6032 nla_nest_end(msg, infoattr);
6034 return genlmsg_end(msg, hdr);
6037 genlmsg_cancel(msg, hdr);
6041 static int nl80211_dump_survey(struct sk_buff *skb,
6042 struct netlink_callback *cb)
6044 struct survey_info survey;
6045 struct cfg80211_registered_device *dev;
6046 struct wireless_dev *wdev;
6047 int survey_idx = cb->args[2];
6050 res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
6054 if (!wdev->netdev) {
6059 if (!dev->ops->dump_survey) {
6065 struct ieee80211_channel *chan;
6067 res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey);
6073 /* Survey without a channel doesn't make sense */
6074 if (!survey.channel) {
6079 chan = ieee80211_get_channel(&dev->wiphy,
6080 survey.channel->center_freq);
6081 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
6086 if (nl80211_send_survey(skb,
6087 NETLINK_CB(cb->skb).portid,
6088 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6089 wdev->netdev, &survey) < 0)
6095 cb->args[2] = survey_idx;
6098 nl80211_finish_wdev_dump(dev);
6102 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
6104 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
6105 NL80211_WPA_VERSION_2));
6108 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
6110 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6111 struct net_device *dev = info->user_ptr[1];
6112 struct ieee80211_channel *chan;
6113 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
6114 int err, ssid_len, ie_len = 0, sae_data_len = 0;
6115 enum nl80211_auth_type auth_type;
6116 struct key_parse key;
6117 bool local_state_change;
6119 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6122 if (!info->attrs[NL80211_ATTR_MAC])
6125 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
6128 if (!info->attrs[NL80211_ATTR_SSID])
6131 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
6134 err = nl80211_parse_key(info, &key);
6139 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
6141 if (!key.p.key || !key.p.key_len)
6143 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
6144 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
6145 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
6146 key.p.key_len != WLAN_KEY_LEN_WEP104))
6158 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
6159 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
6168 if (!rdev->ops->auth)
6171 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6172 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6175 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6176 chan = ieee80211_get_channel(&rdev->wiphy,
6177 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6178 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6181 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6182 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6184 if (info->attrs[NL80211_ATTR_IE]) {
6185 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6186 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6189 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6190 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
6193 if (auth_type == NL80211_AUTHTYPE_SAE &&
6194 !info->attrs[NL80211_ATTR_SAE_DATA])
6197 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
6198 if (auth_type != NL80211_AUTHTYPE_SAE)
6200 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
6201 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
6202 /* need to include at least Auth Transaction and Status Code */
6203 if (sae_data_len < 4)
6207 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6210 * Since we no longer track auth state, ignore
6211 * requests to only change local state.
6213 if (local_state_change)
6216 wdev_lock(dev->ieee80211_ptr);
6217 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
6218 ssid, ssid_len, ie, ie_len,
6219 key.p.key, key.p.key_len, key.idx,
6220 sae_data, sae_data_len);
6221 wdev_unlock(dev->ieee80211_ptr);
6225 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
6226 struct genl_info *info,
6227 struct cfg80211_crypto_settings *settings,
6230 memset(settings, 0, sizeof(*settings));
6232 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
6234 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
6236 proto = nla_get_u16(
6237 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
6238 settings->control_port_ethertype = cpu_to_be16(proto);
6239 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
6242 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
6243 settings->control_port_no_encrypt = true;
6245 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
6247 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
6251 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6252 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6253 settings->n_ciphers_pairwise = len / sizeof(u32);
6255 if (len % sizeof(u32))
6258 if (settings->n_ciphers_pairwise > cipher_limit)
6261 memcpy(settings->ciphers_pairwise, data, len);
6263 for (i = 0; i < settings->n_ciphers_pairwise; i++)
6264 if (!cfg80211_supported_cipher_suite(
6266 settings->ciphers_pairwise[i]))
6270 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
6271 settings->cipher_group =
6272 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
6273 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
6274 settings->cipher_group))
6278 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
6279 settings->wpa_versions =
6280 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
6281 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
6285 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
6289 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
6290 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
6291 settings->n_akm_suites = len / sizeof(u32);
6293 if (len % sizeof(u32))
6296 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6299 memcpy(settings->akm_suites, data, len);
6305 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6307 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6308 struct net_device *dev = info->user_ptr[1];
6309 struct ieee80211_channel *chan;
6310 struct cfg80211_assoc_request req = {};
6311 const u8 *bssid, *ssid;
6312 int err, ssid_len = 0;
6314 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6317 if (!info->attrs[NL80211_ATTR_MAC] ||
6318 !info->attrs[NL80211_ATTR_SSID] ||
6319 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6322 if (!rdev->ops->assoc)
6325 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6326 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6329 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6331 chan = ieee80211_get_channel(&rdev->wiphy,
6332 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6333 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6336 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6337 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6339 if (info->attrs[NL80211_ATTR_IE]) {
6340 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6341 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6344 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6345 enum nl80211_mfp mfp =
6346 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6347 if (mfp == NL80211_MFP_REQUIRED)
6349 else if (mfp != NL80211_MFP_NO)
6353 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6354 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6356 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6357 req.flags |= ASSOC_REQ_DISABLE_HT;
6359 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6360 memcpy(&req.ht_capa_mask,
6361 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6362 sizeof(req.ht_capa_mask));
6364 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6365 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6367 memcpy(&req.ht_capa,
6368 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6369 sizeof(req.ht_capa));
6372 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6373 req.flags |= ASSOC_REQ_DISABLE_VHT;
6375 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6376 memcpy(&req.vht_capa_mask,
6377 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6378 sizeof(req.vht_capa_mask));
6380 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6381 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6383 memcpy(&req.vht_capa,
6384 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6385 sizeof(req.vht_capa));
6388 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6390 wdev_lock(dev->ieee80211_ptr);
6391 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6392 ssid, ssid_len, &req);
6393 wdev_unlock(dev->ieee80211_ptr);
6399 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6401 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6402 struct net_device *dev = info->user_ptr[1];
6403 const u8 *ie = NULL, *bssid;
6404 int ie_len = 0, err;
6406 bool local_state_change;
6408 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6411 if (!info->attrs[NL80211_ATTR_MAC])
6414 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6417 if (!rdev->ops->deauth)
6420 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6421 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6424 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6426 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6427 if (reason_code == 0) {
6428 /* Reason Code 0 is reserved */
6432 if (info->attrs[NL80211_ATTR_IE]) {
6433 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6434 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6437 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6439 wdev_lock(dev->ieee80211_ptr);
6440 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6441 local_state_change);
6442 wdev_unlock(dev->ieee80211_ptr);
6446 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6448 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6449 struct net_device *dev = info->user_ptr[1];
6450 const u8 *ie = NULL, *bssid;
6451 int ie_len = 0, err;
6453 bool local_state_change;
6455 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6458 if (!info->attrs[NL80211_ATTR_MAC])
6461 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6464 if (!rdev->ops->disassoc)
6467 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6468 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6471 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6473 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6474 if (reason_code == 0) {
6475 /* Reason Code 0 is reserved */
6479 if (info->attrs[NL80211_ATTR_IE]) {
6480 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6481 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6484 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6486 wdev_lock(dev->ieee80211_ptr);
6487 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6488 local_state_change);
6489 wdev_unlock(dev->ieee80211_ptr);
6494 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6495 int mcast_rate[IEEE80211_NUM_BANDS],
6498 struct wiphy *wiphy = &rdev->wiphy;
6502 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6503 struct ieee80211_supported_band *sband;
6505 sband = wiphy->bands[band];
6509 for (i = 0; i < sband->n_bitrates; i++) {
6510 if (sband->bitrates[i].bitrate == rateval) {
6511 mcast_rate[band] = i + 1;
6521 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6523 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6524 struct net_device *dev = info->user_ptr[1];
6525 struct cfg80211_ibss_params ibss;
6526 struct wiphy *wiphy;
6527 struct cfg80211_cached_keys *connkeys = NULL;
6530 memset(&ibss, 0, sizeof(ibss));
6532 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6535 if (!info->attrs[NL80211_ATTR_SSID] ||
6536 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6539 ibss.beacon_interval = 100;
6541 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6542 ibss.beacon_interval =
6543 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6544 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6548 if (!rdev->ops->join_ibss)
6551 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6554 wiphy = &rdev->wiphy;
6556 if (info->attrs[NL80211_ATTR_MAC]) {
6557 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6559 if (!is_valid_ether_addr(ibss.bssid))
6562 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6563 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6565 if (info->attrs[NL80211_ATTR_IE]) {
6566 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6567 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6570 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6574 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6577 switch (ibss.chandef.width) {
6578 case NL80211_CHAN_WIDTH_5:
6579 case NL80211_CHAN_WIDTH_10:
6580 case NL80211_CHAN_WIDTH_20_NOHT:
6582 case NL80211_CHAN_WIDTH_20:
6583 case NL80211_CHAN_WIDTH_40:
6584 if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
6590 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6591 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6593 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6595 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6597 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6598 struct ieee80211_supported_band *sband =
6599 wiphy->bands[ibss.chandef.chan->band];
6601 err = ieee80211_get_ratemask(sband, rates, n_rates,
6607 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6608 memcpy(&ibss.ht_capa_mask,
6609 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6610 sizeof(ibss.ht_capa_mask));
6612 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6613 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6615 memcpy(&ibss.ht_capa,
6616 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6617 sizeof(ibss.ht_capa));
6620 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6621 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6622 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6625 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6628 connkeys = nl80211_parse_connkeys(rdev,
6629 info->attrs[NL80211_ATTR_KEYS],
6631 if (IS_ERR(connkeys))
6632 return PTR_ERR(connkeys);
6634 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6642 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6644 ibss.userspace_handles_dfs =
6645 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
6647 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6653 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6655 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6656 struct net_device *dev = info->user_ptr[1];
6658 if (!rdev->ops->leave_ibss)
6661 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6664 return cfg80211_leave_ibss(rdev, dev, false);
6667 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6669 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6670 struct net_device *dev = info->user_ptr[1];
6671 int mcast_rate[IEEE80211_NUM_BANDS];
6675 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6676 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6679 if (!rdev->ops->set_mcast_rate)
6682 memset(mcast_rate, 0, sizeof(mcast_rate));
6684 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6687 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6688 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6691 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6697 #ifdef CONFIG_NL80211_TESTMODE
6698 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6700 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6701 struct wireless_dev *wdev =
6702 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
6705 if (!rdev->ops->testmode_cmd)
6709 err = PTR_ERR(wdev);
6713 } else if (wdev->wiphy != &rdev->wiphy) {
6717 if (!info->attrs[NL80211_ATTR_TESTDATA])
6720 rdev->testmode_info = info;
6721 err = rdev_testmode_cmd(rdev, wdev,
6722 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6723 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6724 rdev->testmode_info = NULL;
6729 static int nl80211_testmode_dump(struct sk_buff *skb,
6730 struct netlink_callback *cb)
6732 struct cfg80211_registered_device *rdev;
6742 * 0 is a valid index, but not valid for args[0],
6743 * so we need to offset by 1.
6745 phy_idx = cb->args[0] - 1;
6747 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6748 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6753 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6754 nl80211_fam.attrbuf);
6756 err = PTR_ERR(rdev);
6759 phy_idx = rdev->wiphy_idx;
6762 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6764 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6768 data = nla_data((void *)cb->args[1]);
6769 data_len = nla_len((void *)cb->args[1]);
6772 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6778 if (!rdev->ops->testmode_dump) {
6784 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6785 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6786 NL80211_CMD_TESTMODE);
6787 struct nlattr *tmdata;
6792 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
6793 genlmsg_cancel(skb, hdr);
6797 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6799 genlmsg_cancel(skb, hdr);
6802 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
6803 nla_nest_end(skb, tmdata);
6805 if (err == -ENOBUFS || err == -ENOENT) {
6806 genlmsg_cancel(skb, hdr);
6809 genlmsg_cancel(skb, hdr);
6813 genlmsg_end(skb, hdr);
6818 cb->args[0] = phy_idx + 1;
6824 static struct sk_buff *
6825 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
6826 int approxlen, u32 portid, u32 seq, gfp_t gfp)
6828 struct sk_buff *skb;
6830 struct nlattr *data;
6832 skb = nlmsg_new(approxlen + 100, gfp);
6836 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
6842 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6843 goto nla_put_failure;
6844 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6846 ((void **)skb->cb)[0] = rdev;
6847 ((void **)skb->cb)[1] = hdr;
6848 ((void **)skb->cb)[2] = data;
6857 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
6860 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6862 if (WARN_ON(!rdev->testmode_info))
6865 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
6866 rdev->testmode_info->snd_portid,
6867 rdev->testmode_info->snd_seq,
6870 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
6872 int cfg80211_testmode_reply(struct sk_buff *skb)
6874 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6875 void *hdr = ((void **)skb->cb)[1];
6876 struct nlattr *data = ((void **)skb->cb)[2];
6878 if (WARN_ON(!rdev->testmode_info)) {
6883 nla_nest_end(skb, data);
6884 genlmsg_end(skb, hdr);
6885 return genlmsg_reply(skb, rdev->testmode_info);
6887 EXPORT_SYMBOL(cfg80211_testmode_reply);
6889 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
6890 int approxlen, gfp_t gfp)
6892 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6894 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
6896 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
6898 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
6900 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6901 void *hdr = ((void **)skb->cb)[1];
6902 struct nlattr *data = ((void **)skb->cb)[2];
6904 nla_nest_end(skb, data);
6905 genlmsg_end(skb, hdr);
6906 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
6907 NL80211_MCGRP_TESTMODE, gfp);
6909 EXPORT_SYMBOL(cfg80211_testmode_event);
6912 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
6914 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6915 struct net_device *dev = info->user_ptr[1];
6916 struct cfg80211_connect_params connect;
6917 struct wiphy *wiphy;
6918 struct cfg80211_cached_keys *connkeys = NULL;
6921 memset(&connect, 0, sizeof(connect));
6923 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6926 if (!info->attrs[NL80211_ATTR_SSID] ||
6927 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6930 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6932 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6933 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
6934 NL80211_CMD_CONNECT))
6937 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6939 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
6941 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
6942 NL80211_MAX_NR_CIPHER_SUITES);
6946 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6947 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6950 wiphy = &rdev->wiphy;
6952 connect.bg_scan_period = -1;
6953 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
6954 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
6955 connect.bg_scan_period =
6956 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
6959 if (info->attrs[NL80211_ATTR_MAC])
6960 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6961 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6962 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6964 if (info->attrs[NL80211_ATTR_IE]) {
6965 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6966 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6969 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6970 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6971 if (connect.mfp != NL80211_MFP_REQUIRED &&
6972 connect.mfp != NL80211_MFP_NO)
6975 connect.mfp = NL80211_MFP_NO;
6978 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6980 ieee80211_get_channel(wiphy,
6981 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6982 if (!connect.channel ||
6983 connect.channel->flags & IEEE80211_CHAN_DISABLED)
6987 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6988 connkeys = nl80211_parse_connkeys(rdev,
6989 info->attrs[NL80211_ATTR_KEYS], NULL);
6990 if (IS_ERR(connkeys))
6991 return PTR_ERR(connkeys);
6994 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6995 connect.flags |= ASSOC_REQ_DISABLE_HT;
6997 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6998 memcpy(&connect.ht_capa_mask,
6999 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
7000 sizeof(connect.ht_capa_mask));
7002 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
7003 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
7007 memcpy(&connect.ht_capa,
7008 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
7009 sizeof(connect.ht_capa));
7012 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
7013 connect.flags |= ASSOC_REQ_DISABLE_VHT;
7015 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
7016 memcpy(&connect.vht_capa_mask,
7017 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
7018 sizeof(connect.vht_capa_mask));
7020 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
7021 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
7025 memcpy(&connect.vht_capa,
7026 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
7027 sizeof(connect.vht_capa));
7030 wdev_lock(dev->ieee80211_ptr);
7031 err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
7032 wdev_unlock(dev->ieee80211_ptr);
7038 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
7040 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7041 struct net_device *dev = info->user_ptr[1];
7045 if (!info->attrs[NL80211_ATTR_REASON_CODE])
7046 reason = WLAN_REASON_DEAUTH_LEAVING;
7048 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
7053 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7054 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7057 wdev_lock(dev->ieee80211_ptr);
7058 ret = cfg80211_disconnect(rdev, dev, reason, true);
7059 wdev_unlock(dev->ieee80211_ptr);
7063 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
7065 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7070 if (!info->attrs[NL80211_ATTR_PID])
7073 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
7075 net = get_net_ns_by_pid(pid);
7077 return PTR_ERR(net);
7081 /* check if anything to do */
7082 if (!net_eq(wiphy_net(&rdev->wiphy), net))
7083 err = cfg80211_switch_netns(rdev, net);
7089 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
7091 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7092 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
7093 struct cfg80211_pmksa *pmksa) = NULL;
7094 struct net_device *dev = info->user_ptr[1];
7095 struct cfg80211_pmksa pmksa;
7097 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
7099 if (!info->attrs[NL80211_ATTR_MAC])
7102 if (!info->attrs[NL80211_ATTR_PMKID])
7105 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
7106 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7108 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7109 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7112 switch (info->genlhdr->cmd) {
7113 case NL80211_CMD_SET_PMKSA:
7114 rdev_ops = rdev->ops->set_pmksa;
7116 case NL80211_CMD_DEL_PMKSA:
7117 rdev_ops = rdev->ops->del_pmksa;
7127 return rdev_ops(&rdev->wiphy, dev, &pmksa);
7130 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
7132 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7133 struct net_device *dev = info->user_ptr[1];
7135 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7136 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7139 if (!rdev->ops->flush_pmksa)
7142 return rdev_flush_pmksa(rdev, dev);
7145 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
7147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7148 struct net_device *dev = info->user_ptr[1];
7149 u8 action_code, dialog_token;
7153 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7154 !rdev->ops->tdls_mgmt)
7157 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
7158 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
7159 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
7160 !info->attrs[NL80211_ATTR_IE] ||
7161 !info->attrs[NL80211_ATTR_MAC])
7164 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7165 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
7166 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
7167 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
7169 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
7170 dialog_token, status_code,
7171 nla_data(info->attrs[NL80211_ATTR_IE]),
7172 nla_len(info->attrs[NL80211_ATTR_IE]));
7175 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
7177 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7178 struct net_device *dev = info->user_ptr[1];
7179 enum nl80211_tdls_operation operation;
7182 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7183 !rdev->ops->tdls_oper)
7186 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
7187 !info->attrs[NL80211_ATTR_MAC])
7190 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
7191 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7193 return rdev_tdls_oper(rdev, dev, peer, operation);
7196 static int nl80211_remain_on_channel(struct sk_buff *skb,
7197 struct genl_info *info)
7199 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7200 struct wireless_dev *wdev = info->user_ptr[1];
7201 struct cfg80211_chan_def chandef;
7202 struct sk_buff *msg;
7208 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7209 !info->attrs[NL80211_ATTR_DURATION])
7212 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7214 if (!rdev->ops->remain_on_channel ||
7215 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
7219 * We should be on that channel for at least a minimum amount of
7220 * time (10ms) but no longer than the driver supports.
7222 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7223 duration > rdev->wiphy.max_remain_on_channel_duration)
7226 err = nl80211_parse_chandef(rdev, info, &chandef);
7230 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7234 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7235 NL80211_CMD_REMAIN_ON_CHANNEL);
7241 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
7247 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7248 goto nla_put_failure;
7250 genlmsg_end(msg, hdr);
7252 return genlmsg_reply(msg, info);
7261 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
7262 struct genl_info *info)
7264 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7265 struct wireless_dev *wdev = info->user_ptr[1];
7268 if (!info->attrs[NL80211_ATTR_COOKIE])
7271 if (!rdev->ops->cancel_remain_on_channel)
7274 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7276 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
7279 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
7280 u8 *rates, u8 rates_len)
7285 for (i = 0; i < rates_len; i++) {
7286 int rate = (rates[i] & 0x7f) * 5;
7288 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
7289 struct ieee80211_rate *srate =
7290 &sband->bitrates[ridx];
7291 if (rate == srate->bitrate) {
7296 if (ridx == sband->n_bitrates)
7297 return 0; /* rate not found */
7303 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
7304 u8 *rates, u8 rates_len,
7305 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
7309 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
7311 for (i = 0; i < rates_len; i++) {
7314 ridx = rates[i] / 8;
7315 rbit = BIT(rates[i] % 8);
7317 /* check validity */
7318 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
7321 /* check availability */
7322 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
7331 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
7332 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
7333 .len = NL80211_MAX_SUPP_RATES },
7334 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
7335 .len = NL80211_MAX_SUPP_HT_RATES },
7338 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
7339 struct genl_info *info)
7341 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
7342 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7343 struct cfg80211_bitrate_mask mask;
7345 struct net_device *dev = info->user_ptr[1];
7346 struct nlattr *tx_rates;
7347 struct ieee80211_supported_band *sband;
7349 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
7352 if (!rdev->ops->set_bitrate_mask)
7355 memset(&mask, 0, sizeof(mask));
7356 /* Default to all rates enabled */
7357 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7358 sband = rdev->wiphy.bands[i];
7359 mask.control[i].legacy =
7360 sband ? (1 << sband->n_bitrates) - 1 : 0;
7362 memcpy(mask.control[i].mcs,
7363 sband->ht_cap.mcs.rx_mask,
7364 sizeof(mask.control[i].mcs));
7366 memset(mask.control[i].mcs, 0,
7367 sizeof(mask.control[i].mcs));
7371 * The nested attribute uses enum nl80211_band as the index. This maps
7372 * directly to the enum ieee80211_band values used in cfg80211.
7374 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7375 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
7377 enum ieee80211_band band = nla_type(tx_rates);
7378 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7380 sband = rdev->wiphy.bands[band];
7383 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7384 nla_len(tx_rates), nl80211_txattr_policy);
7385 if (tb[NL80211_TXRATE_LEGACY]) {
7386 mask.control[band].legacy = rateset_to_mask(
7388 nla_data(tb[NL80211_TXRATE_LEGACY]),
7389 nla_len(tb[NL80211_TXRATE_LEGACY]));
7390 if ((mask.control[band].legacy == 0) &&
7391 nla_len(tb[NL80211_TXRATE_LEGACY]))
7394 if (tb[NL80211_TXRATE_MCS]) {
7395 if (!ht_rateset_to_mask(
7397 nla_data(tb[NL80211_TXRATE_MCS]),
7398 nla_len(tb[NL80211_TXRATE_MCS]),
7399 mask.control[band].mcs))
7403 if (mask.control[band].legacy == 0) {
7404 /* don't allow empty legacy rates if HT
7405 * is not even supported. */
7406 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
7409 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7410 if (mask.control[band].mcs[i])
7413 /* legacy and mcs rates may not be both empty */
7414 if (i == IEEE80211_HT_MCS_MASK_LEN)
7419 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7422 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7424 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7425 struct wireless_dev *wdev = info->user_ptr[1];
7426 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7428 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7431 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7432 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7434 switch (wdev->iftype) {
7435 case NL80211_IFTYPE_STATION:
7436 case NL80211_IFTYPE_ADHOC:
7437 case NL80211_IFTYPE_P2P_CLIENT:
7438 case NL80211_IFTYPE_AP:
7439 case NL80211_IFTYPE_AP_VLAN:
7440 case NL80211_IFTYPE_MESH_POINT:
7441 case NL80211_IFTYPE_P2P_GO:
7442 case NL80211_IFTYPE_P2P_DEVICE:
7448 /* not much point in registering if we can't reply */
7449 if (!rdev->ops->mgmt_tx)
7452 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7453 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7454 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7457 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7459 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7460 struct wireless_dev *wdev = info->user_ptr[1];
7461 struct cfg80211_chan_def chandef;
7465 struct sk_buff *msg = NULL;
7466 struct cfg80211_mgmt_tx_params params = {
7467 .dont_wait_for_ack =
7468 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
7471 if (!info->attrs[NL80211_ATTR_FRAME])
7474 if (!rdev->ops->mgmt_tx)
7477 switch (wdev->iftype) {
7478 case NL80211_IFTYPE_P2P_DEVICE:
7479 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7481 case NL80211_IFTYPE_STATION:
7482 case NL80211_IFTYPE_ADHOC:
7483 case NL80211_IFTYPE_P2P_CLIENT:
7484 case NL80211_IFTYPE_AP:
7485 case NL80211_IFTYPE_AP_VLAN:
7486 case NL80211_IFTYPE_MESH_POINT:
7487 case NL80211_IFTYPE_P2P_GO:
7493 if (info->attrs[NL80211_ATTR_DURATION]) {
7494 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7496 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7499 * We should wait on the channel for at least a minimum amount
7500 * of time (10ms) but no longer than the driver supports.
7502 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7503 params.wait > rdev->wiphy.max_remain_on_channel_duration)
7508 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7510 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7513 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7515 /* get the channel if any has been specified, otherwise pass NULL to
7516 * the driver. The latter will use the current one
7518 chandef.chan = NULL;
7519 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7520 err = nl80211_parse_chandef(rdev, info, &chandef);
7525 if (!chandef.chan && params.offchan)
7528 if (!params.dont_wait_for_ack) {
7529 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7533 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7541 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
7542 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
7543 params.chan = chandef.chan;
7544 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
7549 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7550 goto nla_put_failure;
7552 genlmsg_end(msg, hdr);
7553 return genlmsg_reply(msg, info);
7565 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7567 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7568 struct wireless_dev *wdev = info->user_ptr[1];
7571 if (!info->attrs[NL80211_ATTR_COOKIE])
7574 if (!rdev->ops->mgmt_tx_cancel_wait)
7577 switch (wdev->iftype) {
7578 case NL80211_IFTYPE_STATION:
7579 case NL80211_IFTYPE_ADHOC:
7580 case NL80211_IFTYPE_P2P_CLIENT:
7581 case NL80211_IFTYPE_AP:
7582 case NL80211_IFTYPE_AP_VLAN:
7583 case NL80211_IFTYPE_P2P_GO:
7584 case NL80211_IFTYPE_P2P_DEVICE:
7590 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7592 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7595 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7597 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7598 struct wireless_dev *wdev;
7599 struct net_device *dev = info->user_ptr[1];
7604 if (!info->attrs[NL80211_ATTR_PS_STATE])
7607 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7609 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7612 wdev = dev->ieee80211_ptr;
7614 if (!rdev->ops->set_power_mgmt)
7617 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7619 if (state == wdev->ps)
7622 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7628 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7630 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7631 enum nl80211_ps_state ps_state;
7632 struct wireless_dev *wdev;
7633 struct net_device *dev = info->user_ptr[1];
7634 struct sk_buff *msg;
7638 wdev = dev->ieee80211_ptr;
7640 if (!rdev->ops->set_power_mgmt)
7643 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7647 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7648 NL80211_CMD_GET_POWER_SAVE);
7655 ps_state = NL80211_PS_ENABLED;
7657 ps_state = NL80211_PS_DISABLED;
7659 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7660 goto nla_put_failure;
7662 genlmsg_end(msg, hdr);
7663 return genlmsg_reply(msg, info);
7672 static struct nla_policy
7673 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
7674 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7675 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7676 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7677 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7678 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7679 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7682 static int nl80211_set_cqm_txe(struct genl_info *info,
7683 u32 rate, u32 pkts, u32 intvl)
7685 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7686 struct net_device *dev = info->user_ptr[1];
7687 struct wireless_dev *wdev = dev->ieee80211_ptr;
7689 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7692 if (!rdev->ops->set_cqm_txe_config)
7695 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7696 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7699 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7702 static int nl80211_set_cqm_rssi(struct genl_info *info,
7703 s32 threshold, u32 hysteresis)
7705 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7706 struct net_device *dev = info->user_ptr[1];
7707 struct wireless_dev *wdev = dev->ieee80211_ptr;
7712 /* disabling - hysteresis should also be zero then */
7716 if (!rdev->ops->set_cqm_rssi_config)
7719 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7720 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7723 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7726 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7728 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7732 cqm = info->attrs[NL80211_ATTR_CQM];
7736 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7737 nl80211_attr_cqm_policy);
7741 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7742 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7743 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7744 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7746 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
7749 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7750 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7751 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7752 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7753 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7754 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7756 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
7762 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7765 struct net_device *dev = info->user_ptr[1];
7766 struct mesh_config cfg;
7767 struct mesh_setup setup;
7770 /* start with default */
7771 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7772 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7774 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7775 /* and parse parameters if given */
7776 err = nl80211_parse_mesh_config(info, &cfg, NULL);
7781 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
7782 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
7785 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
7786 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7788 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
7789 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
7790 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
7793 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
7794 setup.beacon_interval =
7795 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
7796 if (setup.beacon_interval < 10 ||
7797 setup.beacon_interval > 10000)
7801 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
7803 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
7804 if (setup.dtim_period < 1 || setup.dtim_period > 100)
7808 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
7809 /* parse additional setup parameters if given */
7810 err = nl80211_parse_mesh_setup(info, &setup);
7816 cfg.auto_open_plinks = false;
7818 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7819 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
7823 /* cfg80211_join_mesh() will sort it out */
7824 setup.chandef.chan = NULL;
7827 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7828 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7830 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7831 struct ieee80211_supported_band *sband;
7833 if (!setup.chandef.chan)
7836 sband = rdev->wiphy.bands[setup.chandef.chan->band];
7838 err = ieee80211_get_ratemask(sband, rates, n_rates,
7839 &setup.basic_rates);
7844 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
7847 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
7849 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7850 struct net_device *dev = info->user_ptr[1];
7852 return cfg80211_leave_mesh(rdev, dev);
7856 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
7857 struct cfg80211_registered_device *rdev)
7859 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
7860 struct nlattr *nl_pats, *nl_pat;
7863 if (!wowlan->n_patterns)
7866 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
7870 for (i = 0; i < wowlan->n_patterns; i++) {
7871 nl_pat = nla_nest_start(msg, i + 1);
7874 pat_len = wowlan->patterns[i].pattern_len;
7875 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
7876 wowlan->patterns[i].mask) ||
7877 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
7878 wowlan->patterns[i].pattern) ||
7879 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
7880 wowlan->patterns[i].pkt_offset))
7882 nla_nest_end(msg, nl_pat);
7884 nla_nest_end(msg, nl_pats);
7889 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
7890 struct cfg80211_wowlan_tcp *tcp)
7892 struct nlattr *nl_tcp;
7897 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
7901 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
7902 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
7903 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
7904 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
7905 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
7906 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
7907 tcp->payload_len, tcp->payload) ||
7908 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
7909 tcp->data_interval) ||
7910 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
7911 tcp->wake_len, tcp->wake_data) ||
7912 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
7913 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
7916 if (tcp->payload_seq.len &&
7917 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
7918 sizeof(tcp->payload_seq), &tcp->payload_seq))
7921 if (tcp->payload_tok.len &&
7922 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
7923 sizeof(tcp->payload_tok) + tcp->tokens_size,
7927 nla_nest_end(msg, nl_tcp);
7932 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
7934 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7935 struct sk_buff *msg;
7937 u32 size = NLMSG_DEFAULT_SIZE;
7939 if (!rdev->wiphy.wowlan)
7942 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
7943 /* adjust size to have room for all the data */
7944 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
7945 rdev->wiphy.wowlan_config->tcp->payload_len +
7946 rdev->wiphy.wowlan_config->tcp->wake_len +
7947 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
7950 msg = nlmsg_new(size, GFP_KERNEL);
7954 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7955 NL80211_CMD_GET_WOWLAN);
7957 goto nla_put_failure;
7959 if (rdev->wiphy.wowlan_config) {
7960 struct nlattr *nl_wowlan;
7962 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
7964 goto nla_put_failure;
7966 if ((rdev->wiphy.wowlan_config->any &&
7967 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7968 (rdev->wiphy.wowlan_config->disconnect &&
7969 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7970 (rdev->wiphy.wowlan_config->magic_pkt &&
7971 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7972 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
7973 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7974 (rdev->wiphy.wowlan_config->eap_identity_req &&
7975 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7976 (rdev->wiphy.wowlan_config->four_way_handshake &&
7977 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7978 (rdev->wiphy.wowlan_config->rfkill_release &&
7979 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
7980 goto nla_put_failure;
7982 if (nl80211_send_wowlan_patterns(msg, rdev))
7983 goto nla_put_failure;
7985 if (nl80211_send_wowlan_tcp(msg,
7986 rdev->wiphy.wowlan_config->tcp))
7987 goto nla_put_failure;
7989 nla_nest_end(msg, nl_wowlan);
7992 genlmsg_end(msg, hdr);
7993 return genlmsg_reply(msg, info);
8000 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
8001 struct nlattr *attr,
8002 struct cfg80211_wowlan *trig)
8004 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
8005 struct cfg80211_wowlan_tcp *cfg;
8006 struct nl80211_wowlan_tcp_data_token *tok = NULL;
8007 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
8009 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
8012 if (!rdev->wiphy.wowlan->tcp)
8015 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
8016 nla_data(attr), nla_len(attr),
8017 nl80211_wowlan_tcp_policy);
8021 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
8022 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
8023 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
8024 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
8025 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
8026 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
8027 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
8028 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
8031 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
8032 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
8035 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
8036 rdev->wiphy.wowlan->tcp->data_interval_max ||
8037 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
8040 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
8041 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
8044 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
8045 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
8048 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
8049 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8051 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
8052 tokens_size = tokln - sizeof(*tok);
8054 if (!tok->len || tokens_size % tok->len)
8056 if (!rdev->wiphy.wowlan->tcp->tok)
8058 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
8060 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
8062 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
8064 if (tok->offset + tok->len > data_size)
8068 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
8069 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
8070 if (!rdev->wiphy.wowlan->tcp->seq)
8072 if (seq->len == 0 || seq->len > 4)
8074 if (seq->len + seq->offset > data_size)
8078 size = sizeof(*cfg);
8080 size += wake_size + wake_mask_size;
8081 size += tokens_size;
8083 cfg = kzalloc(size, GFP_KERNEL);
8086 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
8087 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
8088 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
8090 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
8091 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
8095 /* allocate a socket and port for it and use it */
8096 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
8097 IPPROTO_TCP, &cfg->sock, 1);
8102 if (inet_csk_get_port(cfg->sock->sk, port)) {
8103 sock_release(cfg->sock);
8107 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
8113 cfg->src_port = port;
8116 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
8117 cfg->payload_len = data_size;
8118 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
8119 memcpy((void *)cfg->payload,
8120 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
8123 cfg->payload_seq = *seq;
8124 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
8125 cfg->wake_len = wake_size;
8126 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
8127 memcpy((void *)cfg->wake_data,
8128 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
8130 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
8131 data_size + wake_size;
8132 memcpy((void *)cfg->wake_mask,
8133 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
8136 cfg->tokens_size = tokens_size;
8137 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
8145 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
8147 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8148 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
8149 struct cfg80211_wowlan new_triggers = {};
8150 struct cfg80211_wowlan *ntrig;
8151 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
8153 bool prev_enabled = rdev->wiphy.wowlan_config;
8158 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
8159 cfg80211_rdev_free_wowlan(rdev);
8160 rdev->wiphy.wowlan_config = NULL;
8164 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
8165 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8166 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8167 nl80211_wowlan_policy);
8171 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
8172 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
8174 new_triggers.any = true;
8177 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
8178 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
8180 new_triggers.disconnect = true;
8183 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
8184 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
8186 new_triggers.magic_pkt = true;
8189 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
8192 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
8193 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
8195 new_triggers.gtk_rekey_failure = true;
8198 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
8199 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
8201 new_triggers.eap_identity_req = true;
8204 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
8205 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
8207 new_triggers.four_way_handshake = true;
8210 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
8211 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
8213 new_triggers.rfkill_release = true;
8216 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
8219 int rem, pat_len, mask_len, pkt_offset;
8220 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8222 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8225 if (n_patterns > wowlan->n_patterns)
8228 new_triggers.patterns = kcalloc(n_patterns,
8229 sizeof(new_triggers.patterns[0]),
8231 if (!new_triggers.patterns)
8234 new_triggers.n_patterns = n_patterns;
8237 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8239 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8240 nla_len(pat), NULL);
8242 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8243 !pat_tb[NL80211_PKTPAT_PATTERN])
8245 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8246 mask_len = DIV_ROUND_UP(pat_len, 8);
8247 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8249 if (pat_len > wowlan->pattern_max_len ||
8250 pat_len < wowlan->pattern_min_len)
8253 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8256 pkt_offset = nla_get_u32(
8257 pat_tb[NL80211_PKTPAT_OFFSET]);
8258 if (pkt_offset > wowlan->max_pkt_offset)
8260 new_triggers.patterns[i].pkt_offset = pkt_offset;
8262 new_triggers.patterns[i].mask =
8263 kmalloc(mask_len + pat_len, GFP_KERNEL);
8264 if (!new_triggers.patterns[i].mask) {
8268 new_triggers.patterns[i].pattern =
8269 new_triggers.patterns[i].mask + mask_len;
8270 memcpy(new_triggers.patterns[i].mask,
8271 nla_data(pat_tb[NL80211_PKTPAT_MASK]),
8273 new_triggers.patterns[i].pattern_len = pat_len;
8274 memcpy(new_triggers.patterns[i].pattern,
8275 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
8281 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
8282 err = nl80211_parse_wowlan_tcp(
8283 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
8289 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
8294 cfg80211_rdev_free_wowlan(rdev);
8295 rdev->wiphy.wowlan_config = ntrig;
8298 if (rdev->ops->set_wakeup &&
8299 prev_enabled != !!rdev->wiphy.wowlan_config)
8300 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
8304 for (i = 0; i < new_triggers.n_patterns; i++)
8305 kfree(new_triggers.patterns[i].mask);
8306 kfree(new_triggers.patterns);
8307 if (new_triggers.tcp && new_triggers.tcp->sock)
8308 sock_release(new_triggers.tcp->sock);
8309 kfree(new_triggers.tcp);
8314 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
8315 struct cfg80211_registered_device *rdev)
8317 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
8319 struct cfg80211_coalesce_rules *rule;
8321 if (!rdev->coalesce->n_rules)
8324 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
8328 for (i = 0; i < rdev->coalesce->n_rules; i++) {
8329 nl_rule = nla_nest_start(msg, i + 1);
8333 rule = &rdev->coalesce->rules[i];
8334 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
8338 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
8342 nl_pats = nla_nest_start(msg,
8343 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
8347 for (j = 0; j < rule->n_patterns; j++) {
8348 nl_pat = nla_nest_start(msg, j + 1);
8351 pat_len = rule->patterns[j].pattern_len;
8352 if (nla_put(msg, NL80211_PKTPAT_MASK,
8353 DIV_ROUND_UP(pat_len, 8),
8354 rule->patterns[j].mask) ||
8355 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8356 rule->patterns[j].pattern) ||
8357 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8358 rule->patterns[j].pkt_offset))
8360 nla_nest_end(msg, nl_pat);
8362 nla_nest_end(msg, nl_pats);
8363 nla_nest_end(msg, nl_rule);
8365 nla_nest_end(msg, nl_rules);
8370 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
8372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8373 struct sk_buff *msg;
8376 if (!rdev->wiphy.coalesce)
8379 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8383 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8384 NL80211_CMD_GET_COALESCE);
8386 goto nla_put_failure;
8388 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
8389 goto nla_put_failure;
8391 genlmsg_end(msg, hdr);
8392 return genlmsg_reply(msg, info);
8399 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
8401 struct cfg80211_coalesce *coalesce = rdev->coalesce;
8403 struct cfg80211_coalesce_rules *rule;
8408 for (i = 0; i < coalesce->n_rules; i++) {
8409 rule = &coalesce->rules[i];
8410 for (j = 0; j < rule->n_patterns; j++)
8411 kfree(rule->patterns[j].mask);
8412 kfree(rule->patterns);
8414 kfree(coalesce->rules);
8416 rdev->coalesce = NULL;
8419 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
8420 struct nlattr *rule,
8421 struct cfg80211_coalesce_rules *new_rule)
8424 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8425 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
8426 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
8427 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8429 err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
8430 nla_len(rule), nl80211_coalesce_policy);
8434 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
8436 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
8437 if (new_rule->delay > coalesce->max_delay)
8440 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
8441 new_rule->condition =
8442 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
8443 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
8444 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
8447 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
8450 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8453 if (n_patterns > coalesce->n_patterns)
8456 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
8458 if (!new_rule->patterns)
8461 new_rule->n_patterns = n_patterns;
8464 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8466 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8467 nla_len(pat), NULL);
8468 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8469 !pat_tb[NL80211_PKTPAT_PATTERN])
8471 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8472 mask_len = DIV_ROUND_UP(pat_len, 8);
8473 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8475 if (pat_len > coalesce->pattern_max_len ||
8476 pat_len < coalesce->pattern_min_len)
8479 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8482 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
8483 if (pkt_offset > coalesce->max_pkt_offset)
8485 new_rule->patterns[i].pkt_offset = pkt_offset;
8487 new_rule->patterns[i].mask =
8488 kmalloc(mask_len + pat_len, GFP_KERNEL);
8489 if (!new_rule->patterns[i].mask)
8491 new_rule->patterns[i].pattern =
8492 new_rule->patterns[i].mask + mask_len;
8493 memcpy(new_rule->patterns[i].mask,
8494 nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
8495 new_rule->patterns[i].pattern_len = pat_len;
8496 memcpy(new_rule->patterns[i].pattern,
8497 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
8504 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
8506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8507 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8508 struct cfg80211_coalesce new_coalesce = {};
8509 struct cfg80211_coalesce *n_coalesce;
8510 int err, rem_rule, n_rules = 0, i, j;
8511 struct nlattr *rule;
8512 struct cfg80211_coalesce_rules *tmp_rule;
8514 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
8517 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
8518 cfg80211_rdev_free_coalesce(rdev);
8519 rdev->ops->set_coalesce(&rdev->wiphy, NULL);
8523 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8526 if (n_rules > coalesce->n_rules)
8529 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
8531 if (!new_coalesce.rules)
8534 new_coalesce.n_rules = n_rules;
8537 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8539 err = nl80211_parse_coalesce_rule(rdev, rule,
8540 &new_coalesce.rules[i]);
8547 err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
8551 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
8556 cfg80211_rdev_free_coalesce(rdev);
8557 rdev->coalesce = n_coalesce;
8561 for (i = 0; i < new_coalesce.n_rules; i++) {
8562 tmp_rule = &new_coalesce.rules[i];
8563 for (j = 0; j < tmp_rule->n_patterns; j++)
8564 kfree(tmp_rule->patterns[j].mask);
8565 kfree(tmp_rule->patterns);
8567 kfree(new_coalesce.rules);
8572 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
8574 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8575 struct net_device *dev = info->user_ptr[1];
8576 struct wireless_dev *wdev = dev->ieee80211_ptr;
8577 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
8578 struct cfg80211_gtk_rekey_data rekey_data;
8581 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
8584 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
8585 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
8586 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
8587 nl80211_rekey_policy);
8591 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
8593 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
8595 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
8598 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
8600 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
8602 memcpy(rekey_data.replay_ctr,
8603 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
8604 NL80211_REPLAY_CTR_LEN);
8607 if (!wdev->current_bss) {
8612 if (!rdev->ops->set_rekey_data) {
8617 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
8623 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
8624 struct genl_info *info)
8626 struct net_device *dev = info->user_ptr[1];
8627 struct wireless_dev *wdev = dev->ieee80211_ptr;
8629 if (wdev->iftype != NL80211_IFTYPE_AP &&
8630 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8633 if (wdev->ap_unexpected_nlportid)
8636 wdev->ap_unexpected_nlportid = info->snd_portid;
8640 static int nl80211_probe_client(struct sk_buff *skb,
8641 struct genl_info *info)
8643 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8644 struct net_device *dev = info->user_ptr[1];
8645 struct wireless_dev *wdev = dev->ieee80211_ptr;
8646 struct sk_buff *msg;
8652 if (wdev->iftype != NL80211_IFTYPE_AP &&
8653 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8656 if (!info->attrs[NL80211_ATTR_MAC])
8659 if (!rdev->ops->probe_client)
8662 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8666 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8667 NL80211_CMD_PROBE_CLIENT);
8673 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8675 err = rdev_probe_client(rdev, dev, addr, &cookie);
8679 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8680 goto nla_put_failure;
8682 genlmsg_end(msg, hdr);
8684 return genlmsg_reply(msg, info);
8693 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8695 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8696 struct cfg80211_beacon_registration *reg, *nreg;
8699 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8702 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8706 /* First, check if already registered. */
8707 spin_lock_bh(&rdev->beacon_registrations_lock);
8708 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8709 if (reg->nlportid == info->snd_portid) {
8714 /* Add it to the list */
8715 nreg->nlportid = info->snd_portid;
8716 list_add(&nreg->list, &rdev->beacon_registrations);
8718 spin_unlock_bh(&rdev->beacon_registrations_lock);
8722 spin_unlock_bh(&rdev->beacon_registrations_lock);
8727 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8729 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8730 struct wireless_dev *wdev = info->user_ptr[1];
8733 if (!rdev->ops->start_p2p_device)
8736 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8739 if (wdev->p2p_started)
8742 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8746 err = rdev_start_p2p_device(rdev, wdev);
8750 wdev->p2p_started = true;
8756 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8758 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8759 struct wireless_dev *wdev = info->user_ptr[1];
8761 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8764 if (!rdev->ops->stop_p2p_device)
8767 cfg80211_stop_p2p_device(rdev, wdev);
8772 static int nl80211_get_protocol_features(struct sk_buff *skb,
8773 struct genl_info *info)
8776 struct sk_buff *msg;
8778 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8782 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8783 NL80211_CMD_GET_PROTOCOL_FEATURES);
8785 goto nla_put_failure;
8787 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
8788 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
8789 goto nla_put_failure;
8791 genlmsg_end(msg, hdr);
8792 return genlmsg_reply(msg, info);
8799 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
8801 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8802 struct cfg80211_update_ft_ies_params ft_params;
8803 struct net_device *dev = info->user_ptr[1];
8805 if (!rdev->ops->update_ft_ies)
8808 if (!info->attrs[NL80211_ATTR_MDID] ||
8809 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8812 memset(&ft_params, 0, sizeof(ft_params));
8813 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
8814 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8815 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8817 return rdev_update_ft_ies(rdev, dev, &ft_params);
8820 static int nl80211_crit_protocol_start(struct sk_buff *skb,
8821 struct genl_info *info)
8823 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8824 struct wireless_dev *wdev = info->user_ptr[1];
8825 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
8829 if (!rdev->ops->crit_proto_start)
8832 if (WARN_ON(!rdev->ops->crit_proto_stop))
8835 if (rdev->crit_proto_nlportid)
8838 /* determine protocol if provided */
8839 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
8840 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
8842 if (proto >= NUM_NL80211_CRIT_PROTO)
8845 /* timeout must be provided */
8846 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
8850 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
8852 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
8855 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
8857 rdev->crit_proto_nlportid = info->snd_portid;
8862 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
8863 struct genl_info *info)
8865 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8866 struct wireless_dev *wdev = info->user_ptr[1];
8868 if (!rdev->ops->crit_proto_stop)
8871 if (rdev->crit_proto_nlportid) {
8872 rdev->crit_proto_nlportid = 0;
8873 rdev_crit_proto_stop(rdev, wdev);
8878 #define NL80211_FLAG_NEED_WIPHY 0x01
8879 #define NL80211_FLAG_NEED_NETDEV 0x02
8880 #define NL80211_FLAG_NEED_RTNL 0x04
8881 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8882 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8883 NL80211_FLAG_CHECK_NETDEV_UP)
8884 #define NL80211_FLAG_NEED_WDEV 0x10
8885 /* If a netdev is associated, it must be UP, P2P must be started */
8886 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8887 NL80211_FLAG_CHECK_NETDEV_UP)
8889 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
8890 struct genl_info *info)
8892 struct cfg80211_registered_device *rdev;
8893 struct wireless_dev *wdev;
8894 struct net_device *dev;
8895 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
8900 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
8901 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8905 return PTR_ERR(rdev);
8907 info->user_ptr[0] = rdev;
8908 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
8909 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8912 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
8917 return PTR_ERR(wdev);
8921 rdev = wiphy_to_dev(wdev->wiphy);
8923 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
8930 info->user_ptr[1] = dev;
8932 info->user_ptr[1] = wdev;
8936 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
8937 !netif_running(dev)) {
8944 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
8945 if (!wdev->p2p_started) {
8952 info->user_ptr[0] = rdev;
8958 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
8959 struct genl_info *info)
8961 if (info->user_ptr[1]) {
8962 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8963 struct wireless_dev *wdev = info->user_ptr[1];
8966 dev_put(wdev->netdev);
8968 dev_put(info->user_ptr[1]);
8971 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
8975 static const struct genl_ops nl80211_ops[] = {
8977 .cmd = NL80211_CMD_GET_WIPHY,
8978 .doit = nl80211_get_wiphy,
8979 .dumpit = nl80211_dump_wiphy,
8980 .done = nl80211_dump_wiphy_done,
8981 .policy = nl80211_policy,
8982 /* can be retrieved by unprivileged users */
8983 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8984 NL80211_FLAG_NEED_RTNL,
8987 .cmd = NL80211_CMD_SET_WIPHY,
8988 .doit = nl80211_set_wiphy,
8989 .policy = nl80211_policy,
8990 .flags = GENL_ADMIN_PERM,
8991 .internal_flags = NL80211_FLAG_NEED_RTNL,
8994 .cmd = NL80211_CMD_GET_INTERFACE,
8995 .doit = nl80211_get_interface,
8996 .dumpit = nl80211_dump_interface,
8997 .policy = nl80211_policy,
8998 /* can be retrieved by unprivileged users */
8999 .internal_flags = NL80211_FLAG_NEED_WDEV |
9000 NL80211_FLAG_NEED_RTNL,
9003 .cmd = NL80211_CMD_SET_INTERFACE,
9004 .doit = nl80211_set_interface,
9005 .policy = nl80211_policy,
9006 .flags = GENL_ADMIN_PERM,
9007 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9008 NL80211_FLAG_NEED_RTNL,
9011 .cmd = NL80211_CMD_NEW_INTERFACE,
9012 .doit = nl80211_new_interface,
9013 .policy = nl80211_policy,
9014 .flags = GENL_ADMIN_PERM,
9015 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9016 NL80211_FLAG_NEED_RTNL,
9019 .cmd = NL80211_CMD_DEL_INTERFACE,
9020 .doit = nl80211_del_interface,
9021 .policy = nl80211_policy,
9022 .flags = GENL_ADMIN_PERM,
9023 .internal_flags = NL80211_FLAG_NEED_WDEV |
9024 NL80211_FLAG_NEED_RTNL,
9027 .cmd = NL80211_CMD_GET_KEY,
9028 .doit = nl80211_get_key,
9029 .policy = nl80211_policy,
9030 .flags = GENL_ADMIN_PERM,
9031 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9032 NL80211_FLAG_NEED_RTNL,
9035 .cmd = NL80211_CMD_SET_KEY,
9036 .doit = nl80211_set_key,
9037 .policy = nl80211_policy,
9038 .flags = GENL_ADMIN_PERM,
9039 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9040 NL80211_FLAG_NEED_RTNL,
9043 .cmd = NL80211_CMD_NEW_KEY,
9044 .doit = nl80211_new_key,
9045 .policy = nl80211_policy,
9046 .flags = GENL_ADMIN_PERM,
9047 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9048 NL80211_FLAG_NEED_RTNL,
9051 .cmd = NL80211_CMD_DEL_KEY,
9052 .doit = nl80211_del_key,
9053 .policy = nl80211_policy,
9054 .flags = GENL_ADMIN_PERM,
9055 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9056 NL80211_FLAG_NEED_RTNL,
9059 .cmd = NL80211_CMD_SET_BEACON,
9060 .policy = nl80211_policy,
9061 .flags = GENL_ADMIN_PERM,
9062 .doit = nl80211_set_beacon,
9063 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9064 NL80211_FLAG_NEED_RTNL,
9067 .cmd = NL80211_CMD_START_AP,
9068 .policy = nl80211_policy,
9069 .flags = GENL_ADMIN_PERM,
9070 .doit = nl80211_start_ap,
9071 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9072 NL80211_FLAG_NEED_RTNL,
9075 .cmd = NL80211_CMD_STOP_AP,
9076 .policy = nl80211_policy,
9077 .flags = GENL_ADMIN_PERM,
9078 .doit = nl80211_stop_ap,
9079 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9080 NL80211_FLAG_NEED_RTNL,
9083 .cmd = NL80211_CMD_GET_STATION,
9084 .doit = nl80211_get_station,
9085 .dumpit = nl80211_dump_station,
9086 .policy = nl80211_policy,
9087 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9088 NL80211_FLAG_NEED_RTNL,
9091 .cmd = NL80211_CMD_SET_STATION,
9092 .doit = nl80211_set_station,
9093 .policy = nl80211_policy,
9094 .flags = GENL_ADMIN_PERM,
9095 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9096 NL80211_FLAG_NEED_RTNL,
9099 .cmd = NL80211_CMD_NEW_STATION,
9100 .doit = nl80211_new_station,
9101 .policy = nl80211_policy,
9102 .flags = GENL_ADMIN_PERM,
9103 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9104 NL80211_FLAG_NEED_RTNL,
9107 .cmd = NL80211_CMD_DEL_STATION,
9108 .doit = nl80211_del_station,
9109 .policy = nl80211_policy,
9110 .flags = GENL_ADMIN_PERM,
9111 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9112 NL80211_FLAG_NEED_RTNL,
9115 .cmd = NL80211_CMD_GET_MPATH,
9116 .doit = nl80211_get_mpath,
9117 .dumpit = nl80211_dump_mpath,
9118 .policy = nl80211_policy,
9119 .flags = GENL_ADMIN_PERM,
9120 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9121 NL80211_FLAG_NEED_RTNL,
9124 .cmd = NL80211_CMD_SET_MPATH,
9125 .doit = nl80211_set_mpath,
9126 .policy = nl80211_policy,
9127 .flags = GENL_ADMIN_PERM,
9128 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9129 NL80211_FLAG_NEED_RTNL,
9132 .cmd = NL80211_CMD_NEW_MPATH,
9133 .doit = nl80211_new_mpath,
9134 .policy = nl80211_policy,
9135 .flags = GENL_ADMIN_PERM,
9136 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9137 NL80211_FLAG_NEED_RTNL,
9140 .cmd = NL80211_CMD_DEL_MPATH,
9141 .doit = nl80211_del_mpath,
9142 .policy = nl80211_policy,
9143 .flags = GENL_ADMIN_PERM,
9144 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9145 NL80211_FLAG_NEED_RTNL,
9148 .cmd = NL80211_CMD_SET_BSS,
9149 .doit = nl80211_set_bss,
9150 .policy = nl80211_policy,
9151 .flags = GENL_ADMIN_PERM,
9152 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9153 NL80211_FLAG_NEED_RTNL,
9156 .cmd = NL80211_CMD_GET_REG,
9157 .doit = nl80211_get_reg,
9158 .policy = nl80211_policy,
9159 .internal_flags = NL80211_FLAG_NEED_RTNL,
9160 /* can be retrieved by unprivileged users */
9163 .cmd = NL80211_CMD_SET_REG,
9164 .doit = nl80211_set_reg,
9165 .policy = nl80211_policy,
9166 .flags = GENL_ADMIN_PERM,
9167 .internal_flags = NL80211_FLAG_NEED_RTNL,
9170 .cmd = NL80211_CMD_REQ_SET_REG,
9171 .doit = nl80211_req_set_reg,
9172 .policy = nl80211_policy,
9173 .flags = GENL_ADMIN_PERM,
9176 .cmd = NL80211_CMD_GET_MESH_CONFIG,
9177 .doit = nl80211_get_mesh_config,
9178 .policy = nl80211_policy,
9179 /* can be retrieved by unprivileged users */
9180 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9181 NL80211_FLAG_NEED_RTNL,
9184 .cmd = NL80211_CMD_SET_MESH_CONFIG,
9185 .doit = nl80211_update_mesh_config,
9186 .policy = nl80211_policy,
9187 .flags = GENL_ADMIN_PERM,
9188 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9189 NL80211_FLAG_NEED_RTNL,
9192 .cmd = NL80211_CMD_TRIGGER_SCAN,
9193 .doit = nl80211_trigger_scan,
9194 .policy = nl80211_policy,
9195 .flags = GENL_ADMIN_PERM,
9196 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9197 NL80211_FLAG_NEED_RTNL,
9200 .cmd = NL80211_CMD_GET_SCAN,
9201 .policy = nl80211_policy,
9202 .dumpit = nl80211_dump_scan,
9205 .cmd = NL80211_CMD_START_SCHED_SCAN,
9206 .doit = nl80211_start_sched_scan,
9207 .policy = nl80211_policy,
9208 .flags = GENL_ADMIN_PERM,
9209 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9210 NL80211_FLAG_NEED_RTNL,
9213 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
9214 .doit = nl80211_stop_sched_scan,
9215 .policy = nl80211_policy,
9216 .flags = GENL_ADMIN_PERM,
9217 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9218 NL80211_FLAG_NEED_RTNL,
9221 .cmd = NL80211_CMD_AUTHENTICATE,
9222 .doit = nl80211_authenticate,
9223 .policy = nl80211_policy,
9224 .flags = GENL_ADMIN_PERM,
9225 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9226 NL80211_FLAG_NEED_RTNL,
9229 .cmd = NL80211_CMD_ASSOCIATE,
9230 .doit = nl80211_associate,
9231 .policy = nl80211_policy,
9232 .flags = GENL_ADMIN_PERM,
9233 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9234 NL80211_FLAG_NEED_RTNL,
9237 .cmd = NL80211_CMD_DEAUTHENTICATE,
9238 .doit = nl80211_deauthenticate,
9239 .policy = nl80211_policy,
9240 .flags = GENL_ADMIN_PERM,
9241 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9242 NL80211_FLAG_NEED_RTNL,
9245 .cmd = NL80211_CMD_DISASSOCIATE,
9246 .doit = nl80211_disassociate,
9247 .policy = nl80211_policy,
9248 .flags = GENL_ADMIN_PERM,
9249 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9250 NL80211_FLAG_NEED_RTNL,
9253 .cmd = NL80211_CMD_JOIN_IBSS,
9254 .doit = nl80211_join_ibss,
9255 .policy = nl80211_policy,
9256 .flags = GENL_ADMIN_PERM,
9257 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9258 NL80211_FLAG_NEED_RTNL,
9261 .cmd = NL80211_CMD_LEAVE_IBSS,
9262 .doit = nl80211_leave_ibss,
9263 .policy = nl80211_policy,
9264 .flags = GENL_ADMIN_PERM,
9265 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9266 NL80211_FLAG_NEED_RTNL,
9268 #ifdef CONFIG_NL80211_TESTMODE
9270 .cmd = NL80211_CMD_TESTMODE,
9271 .doit = nl80211_testmode_do,
9272 .dumpit = nl80211_testmode_dump,
9273 .policy = nl80211_policy,
9274 .flags = GENL_ADMIN_PERM,
9275 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9276 NL80211_FLAG_NEED_RTNL,
9280 .cmd = NL80211_CMD_CONNECT,
9281 .doit = nl80211_connect,
9282 .policy = nl80211_policy,
9283 .flags = GENL_ADMIN_PERM,
9284 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9285 NL80211_FLAG_NEED_RTNL,
9288 .cmd = NL80211_CMD_DISCONNECT,
9289 .doit = nl80211_disconnect,
9290 .policy = nl80211_policy,
9291 .flags = GENL_ADMIN_PERM,
9292 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9293 NL80211_FLAG_NEED_RTNL,
9296 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
9297 .doit = nl80211_wiphy_netns,
9298 .policy = nl80211_policy,
9299 .flags = GENL_ADMIN_PERM,
9300 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9301 NL80211_FLAG_NEED_RTNL,
9304 .cmd = NL80211_CMD_GET_SURVEY,
9305 .policy = nl80211_policy,
9306 .dumpit = nl80211_dump_survey,
9309 .cmd = NL80211_CMD_SET_PMKSA,
9310 .doit = nl80211_setdel_pmksa,
9311 .policy = nl80211_policy,
9312 .flags = GENL_ADMIN_PERM,
9313 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9314 NL80211_FLAG_NEED_RTNL,
9317 .cmd = NL80211_CMD_DEL_PMKSA,
9318 .doit = nl80211_setdel_pmksa,
9319 .policy = nl80211_policy,
9320 .flags = GENL_ADMIN_PERM,
9321 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9322 NL80211_FLAG_NEED_RTNL,
9325 .cmd = NL80211_CMD_FLUSH_PMKSA,
9326 .doit = nl80211_flush_pmksa,
9327 .policy = nl80211_policy,
9328 .flags = GENL_ADMIN_PERM,
9329 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9330 NL80211_FLAG_NEED_RTNL,
9333 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
9334 .doit = nl80211_remain_on_channel,
9335 .policy = nl80211_policy,
9336 .flags = GENL_ADMIN_PERM,
9337 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9338 NL80211_FLAG_NEED_RTNL,
9341 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9342 .doit = nl80211_cancel_remain_on_channel,
9343 .policy = nl80211_policy,
9344 .flags = GENL_ADMIN_PERM,
9345 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9346 NL80211_FLAG_NEED_RTNL,
9349 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
9350 .doit = nl80211_set_tx_bitrate_mask,
9351 .policy = nl80211_policy,
9352 .flags = GENL_ADMIN_PERM,
9353 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9354 NL80211_FLAG_NEED_RTNL,
9357 .cmd = NL80211_CMD_REGISTER_FRAME,
9358 .doit = nl80211_register_mgmt,
9359 .policy = nl80211_policy,
9360 .flags = GENL_ADMIN_PERM,
9361 .internal_flags = NL80211_FLAG_NEED_WDEV |
9362 NL80211_FLAG_NEED_RTNL,
9365 .cmd = NL80211_CMD_FRAME,
9366 .doit = nl80211_tx_mgmt,
9367 .policy = nl80211_policy,
9368 .flags = GENL_ADMIN_PERM,
9369 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9370 NL80211_FLAG_NEED_RTNL,
9373 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
9374 .doit = nl80211_tx_mgmt_cancel_wait,
9375 .policy = nl80211_policy,
9376 .flags = GENL_ADMIN_PERM,
9377 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9378 NL80211_FLAG_NEED_RTNL,
9381 .cmd = NL80211_CMD_SET_POWER_SAVE,
9382 .doit = nl80211_set_power_save,
9383 .policy = nl80211_policy,
9384 .flags = GENL_ADMIN_PERM,
9385 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9386 NL80211_FLAG_NEED_RTNL,
9389 .cmd = NL80211_CMD_GET_POWER_SAVE,
9390 .doit = nl80211_get_power_save,
9391 .policy = nl80211_policy,
9392 /* can be retrieved by unprivileged users */
9393 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9394 NL80211_FLAG_NEED_RTNL,
9397 .cmd = NL80211_CMD_SET_CQM,
9398 .doit = nl80211_set_cqm,
9399 .policy = nl80211_policy,
9400 .flags = GENL_ADMIN_PERM,
9401 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9402 NL80211_FLAG_NEED_RTNL,
9405 .cmd = NL80211_CMD_SET_CHANNEL,
9406 .doit = nl80211_set_channel,
9407 .policy = nl80211_policy,
9408 .flags = GENL_ADMIN_PERM,
9409 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9410 NL80211_FLAG_NEED_RTNL,
9413 .cmd = NL80211_CMD_SET_WDS_PEER,
9414 .doit = nl80211_set_wds_peer,
9415 .policy = nl80211_policy,
9416 .flags = GENL_ADMIN_PERM,
9417 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9418 NL80211_FLAG_NEED_RTNL,
9421 .cmd = NL80211_CMD_JOIN_MESH,
9422 .doit = nl80211_join_mesh,
9423 .policy = nl80211_policy,
9424 .flags = GENL_ADMIN_PERM,
9425 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9426 NL80211_FLAG_NEED_RTNL,
9429 .cmd = NL80211_CMD_LEAVE_MESH,
9430 .doit = nl80211_leave_mesh,
9431 .policy = nl80211_policy,
9432 .flags = GENL_ADMIN_PERM,
9433 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9434 NL80211_FLAG_NEED_RTNL,
9438 .cmd = NL80211_CMD_GET_WOWLAN,
9439 .doit = nl80211_get_wowlan,
9440 .policy = nl80211_policy,
9441 /* can be retrieved by unprivileged users */
9442 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9443 NL80211_FLAG_NEED_RTNL,
9446 .cmd = NL80211_CMD_SET_WOWLAN,
9447 .doit = nl80211_set_wowlan,
9448 .policy = nl80211_policy,
9449 .flags = GENL_ADMIN_PERM,
9450 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9451 NL80211_FLAG_NEED_RTNL,
9455 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
9456 .doit = nl80211_set_rekey_data,
9457 .policy = nl80211_policy,
9458 .flags = GENL_ADMIN_PERM,
9459 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9460 NL80211_FLAG_NEED_RTNL,
9463 .cmd = NL80211_CMD_TDLS_MGMT,
9464 .doit = nl80211_tdls_mgmt,
9465 .policy = nl80211_policy,
9466 .flags = GENL_ADMIN_PERM,
9467 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9468 NL80211_FLAG_NEED_RTNL,
9471 .cmd = NL80211_CMD_TDLS_OPER,
9472 .doit = nl80211_tdls_oper,
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_UNEXPECTED_FRAME,
9480 .doit = nl80211_register_unexpected_frame,
9481 .policy = nl80211_policy,
9482 .flags = GENL_ADMIN_PERM,
9483 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9484 NL80211_FLAG_NEED_RTNL,
9487 .cmd = NL80211_CMD_PROBE_CLIENT,
9488 .doit = nl80211_probe_client,
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_REGISTER_BEACONS,
9496 .doit = nl80211_register_beacons,
9497 .policy = nl80211_policy,
9498 .flags = GENL_ADMIN_PERM,
9499 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9500 NL80211_FLAG_NEED_RTNL,
9503 .cmd = NL80211_CMD_SET_NOACK_MAP,
9504 .doit = nl80211_set_noack_map,
9505 .policy = nl80211_policy,
9506 .flags = GENL_ADMIN_PERM,
9507 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9508 NL80211_FLAG_NEED_RTNL,
9511 .cmd = NL80211_CMD_START_P2P_DEVICE,
9512 .doit = nl80211_start_p2p_device,
9513 .policy = nl80211_policy,
9514 .flags = GENL_ADMIN_PERM,
9515 .internal_flags = NL80211_FLAG_NEED_WDEV |
9516 NL80211_FLAG_NEED_RTNL,
9519 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
9520 .doit = nl80211_stop_p2p_device,
9521 .policy = nl80211_policy,
9522 .flags = GENL_ADMIN_PERM,
9523 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9524 NL80211_FLAG_NEED_RTNL,
9527 .cmd = NL80211_CMD_SET_MCAST_RATE,
9528 .doit = nl80211_set_mcast_rate,
9529 .policy = nl80211_policy,
9530 .flags = GENL_ADMIN_PERM,
9531 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9532 NL80211_FLAG_NEED_RTNL,
9535 .cmd = NL80211_CMD_SET_MAC_ACL,
9536 .doit = nl80211_set_mac_acl,
9537 .policy = nl80211_policy,
9538 .flags = GENL_ADMIN_PERM,
9539 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9540 NL80211_FLAG_NEED_RTNL,
9543 .cmd = NL80211_CMD_RADAR_DETECT,
9544 .doit = nl80211_start_radar_detection,
9545 .policy = nl80211_policy,
9546 .flags = GENL_ADMIN_PERM,
9547 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9548 NL80211_FLAG_NEED_RTNL,
9551 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
9552 .doit = nl80211_get_protocol_features,
9553 .policy = nl80211_policy,
9556 .cmd = NL80211_CMD_UPDATE_FT_IES,
9557 .doit = nl80211_update_ft_ies,
9558 .policy = nl80211_policy,
9559 .flags = GENL_ADMIN_PERM,
9560 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9561 NL80211_FLAG_NEED_RTNL,
9564 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
9565 .doit = nl80211_crit_protocol_start,
9566 .policy = nl80211_policy,
9567 .flags = GENL_ADMIN_PERM,
9568 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9569 NL80211_FLAG_NEED_RTNL,
9572 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
9573 .doit = nl80211_crit_protocol_stop,
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_COALESCE,
9581 .doit = nl80211_get_coalesce,
9582 .policy = nl80211_policy,
9583 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9584 NL80211_FLAG_NEED_RTNL,
9587 .cmd = NL80211_CMD_SET_COALESCE,
9588 .doit = nl80211_set_coalesce,
9589 .policy = nl80211_policy,
9590 .flags = GENL_ADMIN_PERM,
9591 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9592 NL80211_FLAG_NEED_RTNL,
9595 .cmd = NL80211_CMD_CHANNEL_SWITCH,
9596 .doit = nl80211_channel_switch,
9597 .policy = nl80211_policy,
9598 .flags = GENL_ADMIN_PERM,
9599 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9600 NL80211_FLAG_NEED_RTNL,
9604 /* notification functions */
9606 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
9608 struct sk_buff *msg;
9609 struct nl80211_dump_wiphy_state state = {};
9611 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9615 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
9620 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9621 NL80211_MCGRP_CONFIG, GFP_KERNEL);
9624 static int nl80211_add_scan_req(struct sk_buff *msg,
9625 struct cfg80211_registered_device *rdev)
9627 struct cfg80211_scan_request *req = rdev->scan_req;
9628 struct nlattr *nest;
9634 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
9636 goto nla_put_failure;
9637 for (i = 0; i < req->n_ssids; i++) {
9638 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
9639 goto nla_put_failure;
9641 nla_nest_end(msg, nest);
9643 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
9645 goto nla_put_failure;
9646 for (i = 0; i < req->n_channels; i++) {
9647 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
9648 goto nla_put_failure;
9650 nla_nest_end(msg, nest);
9653 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
9654 goto nla_put_failure;
9657 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
9658 goto nla_put_failure;
9665 static int nl80211_send_scan_msg(struct sk_buff *msg,
9666 struct cfg80211_registered_device *rdev,
9667 struct wireless_dev *wdev,
9668 u32 portid, u32 seq, int flags,
9673 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9677 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9678 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9679 wdev->netdev->ifindex)) ||
9680 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
9681 goto nla_put_failure;
9683 /* ignore errors and send incomplete event anyway */
9684 nl80211_add_scan_req(msg, rdev);
9686 return genlmsg_end(msg, hdr);
9689 genlmsg_cancel(msg, hdr);
9694 nl80211_send_sched_scan_msg(struct sk_buff *msg,
9695 struct cfg80211_registered_device *rdev,
9696 struct net_device *netdev,
9697 u32 portid, u32 seq, int flags, u32 cmd)
9701 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9705 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9706 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
9707 goto nla_put_failure;
9709 return genlmsg_end(msg, hdr);
9712 genlmsg_cancel(msg, hdr);
9716 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
9717 struct wireless_dev *wdev)
9719 struct sk_buff *msg;
9721 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9725 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9726 NL80211_CMD_TRIGGER_SCAN) < 0) {
9731 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9732 NL80211_MCGRP_SCAN, GFP_KERNEL);
9735 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
9736 struct wireless_dev *wdev)
9738 struct sk_buff *msg;
9740 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9744 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9745 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
9750 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9751 NL80211_MCGRP_SCAN, GFP_KERNEL);
9754 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
9755 struct wireless_dev *wdev)
9757 struct sk_buff *msg;
9759 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9763 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9764 NL80211_CMD_SCAN_ABORTED) < 0) {
9769 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9770 NL80211_MCGRP_SCAN, GFP_KERNEL);
9773 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
9774 struct net_device *netdev)
9776 struct sk_buff *msg;
9778 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9782 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
9783 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
9788 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9789 NL80211_MCGRP_SCAN, GFP_KERNEL);
9792 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
9793 struct net_device *netdev, u32 cmd)
9795 struct sk_buff *msg;
9797 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9801 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
9806 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9807 NL80211_MCGRP_SCAN, GFP_KERNEL);
9811 * This can happen on global regulatory changes or device specific settings
9812 * based on custom world regulatory domains.
9814 void nl80211_send_reg_change_event(struct regulatory_request *request)
9816 struct sk_buff *msg;
9819 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9823 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
9829 /* Userspace can always count this one always being set */
9830 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
9831 goto nla_put_failure;
9833 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
9834 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9835 NL80211_REGDOM_TYPE_WORLD))
9836 goto nla_put_failure;
9837 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
9838 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9839 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
9840 goto nla_put_failure;
9841 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
9842 request->intersect) {
9843 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9844 NL80211_REGDOM_TYPE_INTERSECTION))
9845 goto nla_put_failure;
9847 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9848 NL80211_REGDOM_TYPE_COUNTRY) ||
9849 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
9851 goto nla_put_failure;
9854 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
9855 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
9856 goto nla_put_failure;
9858 genlmsg_end(msg, hdr);
9861 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
9862 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
9868 genlmsg_cancel(msg, hdr);
9872 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
9873 struct net_device *netdev,
9874 const u8 *buf, size_t len,
9875 enum nl80211_commands cmd, gfp_t gfp)
9877 struct sk_buff *msg;
9880 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9884 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9890 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9891 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9892 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9893 goto nla_put_failure;
9895 genlmsg_end(msg, hdr);
9897 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9898 NL80211_MCGRP_MLME, gfp);
9902 genlmsg_cancel(msg, hdr);
9906 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
9907 struct net_device *netdev, const u8 *buf,
9908 size_t len, gfp_t gfp)
9910 nl80211_send_mlme_event(rdev, netdev, buf, len,
9911 NL80211_CMD_AUTHENTICATE, gfp);
9914 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
9915 struct net_device *netdev, const u8 *buf,
9916 size_t len, gfp_t gfp)
9918 nl80211_send_mlme_event(rdev, netdev, buf, len,
9919 NL80211_CMD_ASSOCIATE, gfp);
9922 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
9923 struct net_device *netdev, const u8 *buf,
9924 size_t len, gfp_t gfp)
9926 nl80211_send_mlme_event(rdev, netdev, buf, len,
9927 NL80211_CMD_DEAUTHENTICATE, gfp);
9930 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
9931 struct net_device *netdev, const u8 *buf,
9932 size_t len, gfp_t gfp)
9934 nl80211_send_mlme_event(rdev, netdev, buf, len,
9935 NL80211_CMD_DISASSOCIATE, gfp);
9938 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
9941 struct wireless_dev *wdev = dev->ieee80211_ptr;
9942 struct wiphy *wiphy = wdev->wiphy;
9943 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9944 const struct ieee80211_mgmt *mgmt = (void *)buf;
9947 if (WARN_ON(len < 2))
9950 if (ieee80211_is_deauth(mgmt->frame_control))
9951 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
9953 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
9955 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
9956 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC);
9958 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
9960 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
9961 struct net_device *netdev, int cmd,
9962 const u8 *addr, gfp_t gfp)
9964 struct sk_buff *msg;
9967 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9971 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9977 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9978 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9979 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
9980 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9981 goto nla_put_failure;
9983 genlmsg_end(msg, hdr);
9985 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
9986 NL80211_MCGRP_MLME, gfp);
9990 genlmsg_cancel(msg, hdr);
9994 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
9995 struct net_device *netdev, const u8 *addr,
9998 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
10002 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
10003 struct net_device *netdev, const u8 *addr,
10006 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
10010 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
10011 struct net_device *netdev, const u8 *bssid,
10012 const u8 *req_ie, size_t req_ie_len,
10013 const u8 *resp_ie, size_t resp_ie_len,
10014 u16 status, gfp_t gfp)
10016 struct sk_buff *msg;
10019 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10023 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
10029 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10030 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10031 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
10032 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
10034 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10036 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10037 goto nla_put_failure;
10039 genlmsg_end(msg, hdr);
10041 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10042 NL80211_MCGRP_MLME, gfp);
10046 genlmsg_cancel(msg, hdr);
10051 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
10052 struct net_device *netdev, const u8 *bssid,
10053 const u8 *req_ie, size_t req_ie_len,
10054 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
10056 struct sk_buff *msg;
10059 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10063 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
10069 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10070 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10071 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
10073 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10075 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10076 goto nla_put_failure;
10078 genlmsg_end(msg, hdr);
10080 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10081 NL80211_MCGRP_MLME, gfp);
10085 genlmsg_cancel(msg, hdr);
10090 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
10091 struct net_device *netdev, u16 reason,
10092 const u8 *ie, size_t ie_len, bool from_ap)
10094 struct sk_buff *msg;
10097 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10101 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
10107 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10108 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10109 (from_ap && reason &&
10110 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
10112 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
10113 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
10114 goto nla_put_failure;
10116 genlmsg_end(msg, hdr);
10118 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10119 NL80211_MCGRP_MLME, GFP_KERNEL);
10123 genlmsg_cancel(msg, hdr);
10128 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
10129 struct net_device *netdev, const u8 *bssid,
10132 struct sk_buff *msg;
10135 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10139 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
10145 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10146 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10147 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10148 goto nla_put_failure;
10150 genlmsg_end(msg, hdr);
10152 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10153 NL80211_MCGRP_MLME, gfp);
10157 genlmsg_cancel(msg, hdr);
10161 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
10162 const u8* ie, u8 ie_len, gfp_t gfp)
10164 struct wireless_dev *wdev = dev->ieee80211_ptr;
10165 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10166 struct sk_buff *msg;
10169 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
10172 trace_cfg80211_notify_new_peer_candidate(dev, addr);
10174 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10178 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
10184 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10185 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10186 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10188 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
10189 goto nla_put_failure;
10191 genlmsg_end(msg, hdr);
10193 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10194 NL80211_MCGRP_MLME, gfp);
10198 genlmsg_cancel(msg, hdr);
10201 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
10203 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
10204 struct net_device *netdev, const u8 *addr,
10205 enum nl80211_key_type key_type, int key_id,
10206 const u8 *tsc, gfp_t gfp)
10208 struct sk_buff *msg;
10211 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10215 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
10221 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10222 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10223 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
10224 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
10226 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
10227 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
10228 goto nla_put_failure;
10230 genlmsg_end(msg, hdr);
10232 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10233 NL80211_MCGRP_MLME, gfp);
10237 genlmsg_cancel(msg, hdr);
10241 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
10242 struct ieee80211_channel *channel_before,
10243 struct ieee80211_channel *channel_after)
10245 struct sk_buff *msg;
10247 struct nlattr *nl_freq;
10249 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
10253 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
10260 * Since we are applying the beacon hint to a wiphy we know its
10261 * wiphy_idx is valid
10263 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
10264 goto nla_put_failure;
10267 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
10269 goto nla_put_failure;
10270 if (nl80211_msg_put_channel(msg, channel_before, false))
10271 goto nla_put_failure;
10272 nla_nest_end(msg, nl_freq);
10275 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
10277 goto nla_put_failure;
10278 if (nl80211_msg_put_channel(msg, channel_after, false))
10279 goto nla_put_failure;
10280 nla_nest_end(msg, nl_freq);
10282 genlmsg_end(msg, hdr);
10285 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
10286 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
10292 genlmsg_cancel(msg, hdr);
10296 static void nl80211_send_remain_on_chan_event(
10297 int cmd, struct cfg80211_registered_device *rdev,
10298 struct wireless_dev *wdev, u64 cookie,
10299 struct ieee80211_channel *chan,
10300 unsigned int duration, gfp_t gfp)
10302 struct sk_buff *msg;
10305 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10309 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10315 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10316 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10317 wdev->netdev->ifindex)) ||
10318 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10319 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
10320 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10321 NL80211_CHAN_NO_HT) ||
10322 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
10323 goto nla_put_failure;
10325 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
10326 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
10327 goto nla_put_failure;
10329 genlmsg_end(msg, hdr);
10331 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10332 NL80211_MCGRP_MLME, gfp);
10336 genlmsg_cancel(msg, hdr);
10340 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
10341 struct ieee80211_channel *chan,
10342 unsigned int duration, gfp_t gfp)
10344 struct wiphy *wiphy = wdev->wiphy;
10345 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10347 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
10348 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
10349 rdev, wdev, cookie, chan,
10352 EXPORT_SYMBOL(cfg80211_ready_on_channel);
10354 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
10355 struct ieee80211_channel *chan,
10358 struct wiphy *wiphy = wdev->wiphy;
10359 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10361 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
10362 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
10363 rdev, wdev, cookie, chan, 0, gfp);
10365 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
10367 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
10368 struct station_info *sinfo, gfp_t gfp)
10370 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10371 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10372 struct sk_buff *msg;
10374 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
10376 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10380 if (nl80211_send_station(msg, 0, 0, 0,
10381 rdev, dev, mac_addr, sinfo) < 0) {
10386 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10387 NL80211_MCGRP_MLME, gfp);
10389 EXPORT_SYMBOL(cfg80211_new_sta);
10391 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
10393 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10394 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10395 struct sk_buff *msg;
10398 trace_cfg80211_del_sta(dev, mac_addr);
10400 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10404 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
10410 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10411 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
10412 goto nla_put_failure;
10414 genlmsg_end(msg, hdr);
10416 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10417 NL80211_MCGRP_MLME, gfp);
10421 genlmsg_cancel(msg, hdr);
10424 EXPORT_SYMBOL(cfg80211_del_sta);
10426 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
10427 enum nl80211_connect_failed_reason reason,
10430 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10431 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10432 struct sk_buff *msg;
10435 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10439 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
10445 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10446 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
10447 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
10448 goto nla_put_failure;
10450 genlmsg_end(msg, hdr);
10452 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10453 NL80211_MCGRP_MLME, gfp);
10457 genlmsg_cancel(msg, hdr);
10460 EXPORT_SYMBOL(cfg80211_conn_failed);
10462 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
10463 const u8 *addr, gfp_t gfp)
10465 struct wireless_dev *wdev = dev->ieee80211_ptr;
10466 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10467 struct sk_buff *msg;
10469 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
10474 msg = nlmsg_new(100, gfp);
10478 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10484 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10485 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10486 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10487 goto nla_put_failure;
10489 genlmsg_end(msg, hdr);
10490 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10494 genlmsg_cancel(msg, hdr);
10499 bool cfg80211_rx_spurious_frame(struct net_device *dev,
10500 const u8 *addr, gfp_t gfp)
10502 struct wireless_dev *wdev = dev->ieee80211_ptr;
10505 trace_cfg80211_rx_spurious_frame(dev, addr);
10507 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10508 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
10509 trace_cfg80211_return_bool(false);
10512 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
10514 trace_cfg80211_return_bool(ret);
10517 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
10519 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
10520 const u8 *addr, gfp_t gfp)
10522 struct wireless_dev *wdev = dev->ieee80211_ptr;
10525 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
10527 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10528 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10529 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
10530 trace_cfg80211_return_bool(false);
10533 ret = __nl80211_unexpected_frame(dev,
10534 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
10536 trace_cfg80211_return_bool(ret);
10539 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
10541 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
10542 struct wireless_dev *wdev, u32 nlportid,
10543 int freq, int sig_dbm,
10544 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
10546 struct net_device *netdev = wdev->netdev;
10547 struct sk_buff *msg;
10550 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10554 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10560 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10561 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10562 netdev->ifindex)) ||
10563 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10564 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
10566 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10567 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10569 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
10570 goto nla_put_failure;
10572 genlmsg_end(msg, hdr);
10574 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10577 genlmsg_cancel(msg, hdr);
10582 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
10583 const u8 *buf, size_t len, bool ack, gfp_t gfp)
10585 struct wiphy *wiphy = wdev->wiphy;
10586 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10587 struct net_device *netdev = wdev->netdev;
10588 struct sk_buff *msg;
10591 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
10593 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10597 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
10603 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10604 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10605 netdev->ifindex)) ||
10606 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10607 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10608 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10609 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
10610 goto nla_put_failure;
10612 genlmsg_end(msg, hdr);
10614 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10615 NL80211_MCGRP_MLME, gfp);
10619 genlmsg_cancel(msg, hdr);
10622 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
10624 void cfg80211_cqm_rssi_notify(struct net_device *dev,
10625 enum nl80211_cqm_rssi_threshold_event rssi_event,
10628 struct wireless_dev *wdev = dev->ieee80211_ptr;
10629 struct wiphy *wiphy = wdev->wiphy;
10630 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10631 struct sk_buff *msg;
10632 struct nlattr *pinfoattr;
10635 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
10637 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10641 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10647 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10648 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10649 goto nla_put_failure;
10651 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10653 goto nla_put_failure;
10655 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
10657 goto nla_put_failure;
10659 nla_nest_end(msg, pinfoattr);
10661 genlmsg_end(msg, hdr);
10663 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10664 NL80211_MCGRP_MLME, gfp);
10668 genlmsg_cancel(msg, hdr);
10671 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
10673 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
10674 struct net_device *netdev, const u8 *bssid,
10675 const u8 *replay_ctr, gfp_t gfp)
10677 struct sk_buff *msg;
10678 struct nlattr *rekey_attr;
10681 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10685 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
10691 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10692 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10693 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10694 goto nla_put_failure;
10696 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10698 goto nla_put_failure;
10700 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
10701 NL80211_REPLAY_CTR_LEN, replay_ctr))
10702 goto nla_put_failure;
10704 nla_nest_end(msg, rekey_attr);
10706 genlmsg_end(msg, hdr);
10708 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10709 NL80211_MCGRP_MLME, gfp);
10713 genlmsg_cancel(msg, hdr);
10717 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
10718 const u8 *replay_ctr, gfp_t gfp)
10720 struct wireless_dev *wdev = dev->ieee80211_ptr;
10721 struct wiphy *wiphy = wdev->wiphy;
10722 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10724 trace_cfg80211_gtk_rekey_notify(dev, bssid);
10725 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
10727 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
10730 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
10731 struct net_device *netdev, int index,
10732 const u8 *bssid, bool preauth, gfp_t gfp)
10734 struct sk_buff *msg;
10735 struct nlattr *attr;
10738 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10742 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
10748 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10749 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10750 goto nla_put_failure;
10752 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
10754 goto nla_put_failure;
10756 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
10757 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
10759 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
10760 goto nla_put_failure;
10762 nla_nest_end(msg, attr);
10764 genlmsg_end(msg, hdr);
10766 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10767 NL80211_MCGRP_MLME, gfp);
10771 genlmsg_cancel(msg, hdr);
10775 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
10776 const u8 *bssid, bool preauth, gfp_t gfp)
10778 struct wireless_dev *wdev = dev->ieee80211_ptr;
10779 struct wiphy *wiphy = wdev->wiphy;
10780 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10782 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
10783 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
10785 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
10787 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
10788 struct net_device *netdev,
10789 struct cfg80211_chan_def *chandef,
10792 struct sk_buff *msg;
10795 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10799 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
10805 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10806 goto nla_put_failure;
10808 if (nl80211_send_chandef(msg, chandef))
10809 goto nla_put_failure;
10811 genlmsg_end(msg, hdr);
10813 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10814 NL80211_MCGRP_MLME, gfp);
10818 genlmsg_cancel(msg, hdr);
10822 void cfg80211_ch_switch_notify(struct net_device *dev,
10823 struct cfg80211_chan_def *chandef)
10825 struct wireless_dev *wdev = dev->ieee80211_ptr;
10826 struct wiphy *wiphy = wdev->wiphy;
10827 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10829 ASSERT_WDEV_LOCK(wdev);
10831 trace_cfg80211_ch_switch_notify(dev, chandef);
10833 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10834 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10835 wdev->iftype != NL80211_IFTYPE_ADHOC &&
10836 wdev->iftype != NL80211_IFTYPE_MESH_POINT))
10839 wdev->channel = chandef->chan;
10840 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
10842 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
10844 void cfg80211_cqm_txe_notify(struct net_device *dev,
10845 const u8 *peer, u32 num_packets,
10846 u32 rate, u32 intvl, gfp_t gfp)
10848 struct wireless_dev *wdev = dev->ieee80211_ptr;
10849 struct wiphy *wiphy = wdev->wiphy;
10850 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10851 struct sk_buff *msg;
10852 struct nlattr *pinfoattr;
10855 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10859 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10865 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10866 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10867 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10868 goto nla_put_failure;
10870 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10872 goto nla_put_failure;
10874 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
10875 goto nla_put_failure;
10877 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
10878 goto nla_put_failure;
10880 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
10881 goto nla_put_failure;
10883 nla_nest_end(msg, pinfoattr);
10885 genlmsg_end(msg, hdr);
10887 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10888 NL80211_MCGRP_MLME, gfp);
10892 genlmsg_cancel(msg, hdr);
10895 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
10898 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
10899 const struct cfg80211_chan_def *chandef,
10900 enum nl80211_radar_event event,
10901 struct net_device *netdev, gfp_t gfp)
10903 struct sk_buff *msg;
10906 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10910 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
10916 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10917 goto nla_put_failure;
10919 /* NOP and radar events don't need a netdev parameter */
10921 struct wireless_dev *wdev = netdev->ieee80211_ptr;
10923 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10924 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10925 goto nla_put_failure;
10928 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
10929 goto nla_put_failure;
10931 if (nl80211_send_chandef(msg, chandef))
10932 goto nla_put_failure;
10934 genlmsg_end(msg, hdr);
10936 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10937 NL80211_MCGRP_MLME, gfp);
10941 genlmsg_cancel(msg, hdr);
10945 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
10946 const u8 *peer, u32 num_packets, gfp_t gfp)
10948 struct wireless_dev *wdev = dev->ieee80211_ptr;
10949 struct wiphy *wiphy = wdev->wiphy;
10950 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10951 struct sk_buff *msg;
10952 struct nlattr *pinfoattr;
10955 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
10957 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10961 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10967 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10968 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10969 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10970 goto nla_put_failure;
10972 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10974 goto nla_put_failure;
10976 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
10977 goto nla_put_failure;
10979 nla_nest_end(msg, pinfoattr);
10981 genlmsg_end(msg, hdr);
10983 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
10984 NL80211_MCGRP_MLME, gfp);
10988 genlmsg_cancel(msg, hdr);
10991 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
10993 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
10994 u64 cookie, bool acked, gfp_t gfp)
10996 struct wireless_dev *wdev = dev->ieee80211_ptr;
10997 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10998 struct sk_buff *msg;
11001 trace_cfg80211_probe_status(dev, addr, cookie, acked);
11003 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11008 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
11014 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11015 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11016 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
11017 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
11018 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
11019 goto nla_put_failure;
11021 genlmsg_end(msg, hdr);
11023 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11024 NL80211_MCGRP_MLME, gfp);
11028 genlmsg_cancel(msg, hdr);
11031 EXPORT_SYMBOL(cfg80211_probe_status);
11033 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
11034 const u8 *frame, size_t len,
11035 int freq, int sig_dbm)
11037 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11038 struct sk_buff *msg;
11040 struct cfg80211_beacon_registration *reg;
11042 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
11044 spin_lock_bh(&rdev->beacon_registrations_lock);
11045 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
11046 msg = nlmsg_new(len + 100, GFP_ATOMIC);
11048 spin_unlock_bh(&rdev->beacon_registrations_lock);
11052 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
11054 goto nla_put_failure;
11056 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11058 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
11060 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
11061 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
11062 goto nla_put_failure;
11064 genlmsg_end(msg, hdr);
11066 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
11068 spin_unlock_bh(&rdev->beacon_registrations_lock);
11072 spin_unlock_bh(&rdev->beacon_registrations_lock);
11074 genlmsg_cancel(msg, hdr);
11077 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
11080 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
11081 struct cfg80211_wowlan_wakeup *wakeup,
11084 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11085 struct sk_buff *msg;
11089 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
11092 size += wakeup->packet_present_len;
11094 msg = nlmsg_new(size, gfp);
11098 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
11102 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11103 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11106 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11107 wdev->netdev->ifindex))
11111 struct nlattr *reasons;
11113 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
11117 if (wakeup->disconnect &&
11118 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
11120 if (wakeup->magic_pkt &&
11121 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
11123 if (wakeup->gtk_rekey_failure &&
11124 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
11126 if (wakeup->eap_identity_req &&
11127 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
11129 if (wakeup->four_way_handshake &&
11130 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
11132 if (wakeup->rfkill_release &&
11133 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
11136 if (wakeup->pattern_idx >= 0 &&
11137 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
11138 wakeup->pattern_idx))
11141 if (wakeup->tcp_match &&
11142 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
11145 if (wakeup->tcp_connlost &&
11146 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
11149 if (wakeup->tcp_nomoretokens &&
11151 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
11154 if (wakeup->packet) {
11155 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
11156 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
11158 if (!wakeup->packet_80211) {
11160 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
11162 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
11165 if (wakeup->packet_len &&
11166 nla_put_u32(msg, len_attr, wakeup->packet_len))
11169 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
11174 nla_nest_end(msg, reasons);
11177 genlmsg_end(msg, hdr);
11179 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11180 NL80211_MCGRP_MLME, gfp);
11186 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
11189 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
11190 enum nl80211_tdls_operation oper,
11191 u16 reason_code, gfp_t gfp)
11193 struct wireless_dev *wdev = dev->ieee80211_ptr;
11194 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11195 struct sk_buff *msg;
11198 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
11201 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11205 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
11211 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11212 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11213 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
11214 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
11215 (reason_code > 0 &&
11216 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
11217 goto nla_put_failure;
11219 genlmsg_end(msg, hdr);
11221 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11222 NL80211_MCGRP_MLME, gfp);
11226 genlmsg_cancel(msg, hdr);
11229 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
11231 static int nl80211_netlink_notify(struct notifier_block * nb,
11232 unsigned long state,
11235 struct netlink_notify *notify = _notify;
11236 struct cfg80211_registered_device *rdev;
11237 struct wireless_dev *wdev;
11238 struct cfg80211_beacon_registration *reg, *tmp;
11240 if (state != NETLINK_URELEASE)
11241 return NOTIFY_DONE;
11245 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
11246 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
11247 cfg80211_mlme_unregister_socket(wdev, notify->portid);
11249 spin_lock_bh(&rdev->beacon_registrations_lock);
11250 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
11252 if (reg->nlportid == notify->portid) {
11253 list_del(®->list);
11258 spin_unlock_bh(&rdev->beacon_registrations_lock);
11263 return NOTIFY_DONE;
11266 static struct notifier_block nl80211_netlink_notifier = {
11267 .notifier_call = nl80211_netlink_notify,
11270 void cfg80211_ft_event(struct net_device *netdev,
11271 struct cfg80211_ft_event_params *ft_event)
11273 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
11274 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11275 struct sk_buff *msg;
11278 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
11280 if (!ft_event->target_ap)
11283 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11287 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
11291 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11292 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
11293 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
11296 if (ft_event->ies &&
11297 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
11299 if (ft_event->ric_ies &&
11300 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
11301 ft_event->ric_ies))
11304 genlmsg_end(msg, hdr);
11306 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
11307 NL80211_MCGRP_MLME, GFP_KERNEL);
11312 EXPORT_SYMBOL(cfg80211_ft_event);
11314 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
11316 struct cfg80211_registered_device *rdev;
11317 struct sk_buff *msg;
11321 rdev = wiphy_to_dev(wdev->wiphy);
11322 if (!rdev->crit_proto_nlportid)
11325 nlportid = rdev->crit_proto_nlportid;
11326 rdev->crit_proto_nlportid = 0;
11328 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11332 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
11334 goto nla_put_failure;
11336 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11337 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11338 goto nla_put_failure;
11340 genlmsg_end(msg, hdr);
11342 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
11347 genlmsg_cancel(msg, hdr);
11351 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
11353 /* initialisation/exit functions */
11355 int nl80211_init(void)
11359 err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops,
11364 err = netlink_register_notifier(&nl80211_netlink_notifier);
11370 genl_unregister_family(&nl80211_fam);
11374 void nl80211_exit(void)
11376 netlink_unregister_notifier(&nl80211_netlink_notifier);
11377 genl_unregister_family(&nl80211_fam);