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(struct genl_ops *ops, struct sk_buff *skb,
34 struct genl_info *info);
35 static void nl80211_post_doit(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 /* returns ERR_PTR values */
51 static struct wireless_dev *
52 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
54 struct cfg80211_registered_device *rdev;
55 struct wireless_dev *result = NULL;
56 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
57 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
64 if (!have_ifidx && !have_wdev_id)
65 return ERR_PTR(-EINVAL);
68 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
70 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
71 wiphy_idx = wdev_id >> 32;
74 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
75 struct wireless_dev *wdev;
77 if (wiphy_net(&rdev->wiphy) != netns)
80 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
83 list_for_each_entry(wdev, &rdev->wdev_list, list) {
84 if (have_ifidx && wdev->netdev &&
85 wdev->netdev->ifindex == ifidx) {
89 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
101 return ERR_PTR(-ENODEV);
104 static struct cfg80211_registered_device *
105 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
107 struct cfg80211_registered_device *rdev = NULL, *tmp;
108 struct net_device *netdev;
112 if (!attrs[NL80211_ATTR_WIPHY] &&
113 !attrs[NL80211_ATTR_IFINDEX] &&
114 !attrs[NL80211_ATTR_WDEV])
115 return ERR_PTR(-EINVAL);
117 if (attrs[NL80211_ATTR_WIPHY])
118 rdev = cfg80211_rdev_by_wiphy_idx(
119 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
121 if (attrs[NL80211_ATTR_WDEV]) {
122 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
123 struct wireless_dev *wdev;
126 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
128 /* make sure wdev exists */
129 list_for_each_entry(wdev, &tmp->wdev_list, list) {
130 if (wdev->identifier != (u32)wdev_id)
139 if (rdev && tmp != rdev)
140 return ERR_PTR(-EINVAL);
145 if (attrs[NL80211_ATTR_IFINDEX]) {
146 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
147 netdev = dev_get_by_index(netns, ifindex);
149 if (netdev->ieee80211_ptr)
151 netdev->ieee80211_ptr->wiphy);
157 /* not wireless device -- return error */
159 return ERR_PTR(-EINVAL);
161 /* mismatch -- return error */
162 if (rdev && tmp != rdev)
163 return ERR_PTR(-EINVAL);
170 return ERR_PTR(-ENODEV);
172 if (netns != wiphy_net(&rdev->wiphy))
173 return ERR_PTR(-ENODEV);
179 * This function returns a pointer to the driver
180 * that the genl_info item that is passed refers to.
182 * The result of this can be a PTR_ERR and hence must
183 * be checked with IS_ERR() for errors.
185 static struct cfg80211_registered_device *
186 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
188 return __cfg80211_rdev_from_attrs(netns, info->attrs);
191 /* policy for the attributes */
192 static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
193 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
194 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
196 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
198 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
199 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
200 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
201 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
202 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
204 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
205 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
206 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
207 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
208 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
210 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
211 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
212 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
214 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
215 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
217 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
218 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
219 .len = WLAN_MAX_KEY_LEN },
220 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
221 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
222 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
223 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
224 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
226 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
227 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
228 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
229 .len = IEEE80211_MAX_DATA_LEN },
230 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
231 .len = IEEE80211_MAX_DATA_LEN },
232 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
233 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
234 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
235 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
236 .len = NL80211_MAX_SUPP_RATES },
237 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
238 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
239 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
240 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
241 .len = IEEE80211_MAX_MESH_ID_LEN },
242 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
244 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
245 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
247 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
248 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
249 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
250 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
251 .len = NL80211_MAX_SUPP_RATES },
252 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
254 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
255 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
257 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
259 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
260 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
261 .len = IEEE80211_MAX_DATA_LEN },
262 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
263 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
265 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
266 .len = IEEE80211_MAX_SSID_LEN },
267 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
268 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
269 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
270 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
271 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
272 [NL80211_ATTR_STA_FLAGS2] = {
273 .len = sizeof(struct nl80211_sta_flag_update),
275 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
276 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
277 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
278 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
279 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
280 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
281 [NL80211_ATTR_PID] = { .type = NLA_U32 },
282 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
283 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
284 .len = WLAN_PMKID_LEN },
285 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
286 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
287 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
288 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
289 .len = IEEE80211_MAX_DATA_LEN },
290 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
291 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
292 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
293 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
294 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
295 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
296 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
297 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
298 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
299 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
300 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
301 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
302 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
303 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
304 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
305 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
306 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
307 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
308 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
309 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
310 .len = IEEE80211_MAX_DATA_LEN },
311 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
312 .len = IEEE80211_MAX_DATA_LEN },
313 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
314 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
315 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
316 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
317 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
318 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
319 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
320 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
321 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
322 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
323 .len = IEEE80211_MAX_DATA_LEN },
324 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
325 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
326 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
327 .len = NL80211_HT_CAPABILITY_LEN
329 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
330 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
331 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
332 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
333 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
334 [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
335 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
336 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
337 [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
338 [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
339 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
340 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
341 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
342 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
343 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
344 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
345 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
346 .len = NL80211_VHT_CAPABILITY_LEN,
348 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
349 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
350 .len = IEEE80211_MAX_DATA_LEN },
351 [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
352 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
353 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
354 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
355 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 },
356 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 },
359 /* policy for the key attributes */
360 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
361 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
362 [NL80211_KEY_IDX] = { .type = NLA_U8 },
363 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
364 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
365 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
366 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
367 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
368 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
371 /* policy for the key default flags */
372 static const struct nla_policy
373 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
374 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
375 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
378 /* policy for WoWLAN attributes */
379 static const struct nla_policy
380 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
381 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
382 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
383 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
384 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
385 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
386 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
387 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
388 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
389 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
392 static const struct nla_policy
393 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
394 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
395 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
396 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
397 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
398 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
399 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
400 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
401 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
403 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
404 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
406 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
407 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
408 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
411 /* policy for coalesce rule attributes */
412 static const struct nla_policy
413 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
414 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
415 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
416 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
419 /* policy for GTK rekey offload attributes */
420 static const struct nla_policy
421 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
422 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
423 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
424 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
427 static const struct nla_policy
428 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
429 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
430 .len = IEEE80211_MAX_SSID_LEN },
431 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
434 static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
435 struct netlink_callback *cb,
436 struct cfg80211_registered_device **rdev,
437 struct wireless_dev **wdev)
444 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
445 nl80211_fam.attrbuf, nl80211_fam.maxattr,
450 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk),
451 nl80211_fam.attrbuf);
453 err = PTR_ERR(*wdev);
456 *rdev = wiphy_to_dev((*wdev)->wiphy);
457 /* 0 is the first index - add 1 to parse only once */
458 cb->args[0] = (*rdev)->wiphy_idx + 1;
459 cb->args[1] = (*wdev)->identifier;
461 /* subtract the 1 again here */
462 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
463 struct wireless_dev *tmp;
469 *rdev = wiphy_to_dev(wiphy);
472 list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
473 if (tmp->identifier == cb->args[1]) {
491 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
497 static bool is_valid_ie_attr(const struct nlattr *attr)
505 pos = nla_data(attr);
526 /* message building helper */
527 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
530 /* since there is no private header just add the generic one */
531 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
534 static int nl80211_msg_put_channel(struct sk_buff *msg,
535 struct ieee80211_channel *chan,
538 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
540 goto nla_put_failure;
542 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
543 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
544 goto nla_put_failure;
545 if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
546 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN))
547 goto nla_put_failure;
548 if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
549 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
550 goto nla_put_failure;
551 if (chan->flags & IEEE80211_CHAN_RADAR) {
552 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
553 goto nla_put_failure;
557 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
559 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
561 goto nla_put_failure;
562 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
564 goto nla_put_failure;
569 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
570 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
571 goto nla_put_failure;
572 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
573 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
574 goto nla_put_failure;
575 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
576 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
577 goto nla_put_failure;
578 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
579 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
580 goto nla_put_failure;
583 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
584 DBM_TO_MBM(chan->max_power)))
585 goto nla_put_failure;
593 /* netlink command implementations */
600 bool def_uni, def_multi;
603 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
605 struct nlattr *tb[NL80211_KEY_MAX + 1];
606 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
611 k->def = !!tb[NL80211_KEY_DEFAULT];
612 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
621 if (tb[NL80211_KEY_IDX])
622 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
624 if (tb[NL80211_KEY_DATA]) {
625 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
626 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
629 if (tb[NL80211_KEY_SEQ]) {
630 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
631 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
634 if (tb[NL80211_KEY_CIPHER])
635 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
637 if (tb[NL80211_KEY_TYPE]) {
638 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
639 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
643 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
644 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
645 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
646 tb[NL80211_KEY_DEFAULT_TYPES],
647 nl80211_key_default_policy);
651 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
652 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
658 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
660 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
661 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
662 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
665 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
666 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
667 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
670 if (info->attrs[NL80211_ATTR_KEY_IDX])
671 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
673 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
674 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
676 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
677 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
686 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
687 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
688 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
692 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
693 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
694 int err = nla_parse_nested(
695 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
696 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
697 nl80211_key_default_policy);
701 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
702 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
708 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
712 memset(k, 0, sizeof(*k));
716 if (info->attrs[NL80211_ATTR_KEY])
717 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
719 err = nl80211_parse_key_old(info, k);
724 if (k->def && k->defmgmt)
728 if (k->def_uni || !k->def_multi)
734 if (k->idx < 4 || k->idx > 5)
737 if (k->idx < 0 || k->idx > 3)
740 if (k->idx < 0 || k->idx > 5)
748 static struct cfg80211_cached_keys *
749 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
750 struct nlattr *keys, bool *no_ht)
752 struct key_parse parse;
754 struct cfg80211_cached_keys *result;
755 int rem, err, def = 0;
757 result = kzalloc(sizeof(*result), GFP_KERNEL);
759 return ERR_PTR(-ENOMEM);
762 result->defmgmt = -1;
764 nla_for_each_nested(key, keys, rem) {
765 memset(&parse, 0, sizeof(parse));
768 err = nl80211_parse_key_new(key, &parse);
774 if (parse.idx < 0 || parse.idx > 4)
780 result->def = parse.idx;
781 if (!parse.def_uni || !parse.def_multi)
783 } else if (parse.defmgmt)
785 err = cfg80211_validate_key_settings(rdev, &parse.p,
786 parse.idx, false, NULL);
789 result->params[parse.idx].cipher = parse.p.cipher;
790 result->params[parse.idx].key_len = parse.p.key_len;
791 result->params[parse.idx].key = result->data[parse.idx];
792 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
794 if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 ||
795 parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) {
807 static int nl80211_key_allowed(struct wireless_dev *wdev)
809 ASSERT_WDEV_LOCK(wdev);
811 switch (wdev->iftype) {
812 case NL80211_IFTYPE_AP:
813 case NL80211_IFTYPE_AP_VLAN:
814 case NL80211_IFTYPE_P2P_GO:
815 case NL80211_IFTYPE_MESH_POINT:
817 case NL80211_IFTYPE_ADHOC:
818 case NL80211_IFTYPE_STATION:
819 case NL80211_IFTYPE_P2P_CLIENT:
820 if (!wdev->current_bss)
830 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
832 struct nlattr *nl_modes = nla_nest_start(msg, attr);
836 goto nla_put_failure;
840 if ((ifmodes & 1) && nla_put_flag(msg, i))
841 goto nla_put_failure;
846 nla_nest_end(msg, nl_modes);
853 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
857 struct nlattr *nl_combis;
860 nl_combis = nla_nest_start(msg,
861 NL80211_ATTR_INTERFACE_COMBINATIONS);
863 goto nla_put_failure;
865 for (i = 0; i < wiphy->n_iface_combinations; i++) {
866 const struct ieee80211_iface_combination *c;
867 struct nlattr *nl_combi, *nl_limits;
869 c = &wiphy->iface_combinations[i];
871 nl_combi = nla_nest_start(msg, i + 1);
873 goto nla_put_failure;
875 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
877 goto nla_put_failure;
879 for (j = 0; j < c->n_limits; j++) {
880 struct nlattr *nl_limit;
882 nl_limit = nla_nest_start(msg, j + 1);
884 goto nla_put_failure;
885 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
887 goto nla_put_failure;
888 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
890 goto nla_put_failure;
891 nla_nest_end(msg, nl_limit);
894 nla_nest_end(msg, nl_limits);
896 if (c->beacon_int_infra_match &&
897 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
898 goto nla_put_failure;
899 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
900 c->num_different_channels) ||
901 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
903 goto nla_put_failure;
905 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
906 c->radar_detect_widths))
907 goto nla_put_failure;
909 nla_nest_end(msg, nl_combi);
912 nla_nest_end(msg, nl_combis);
920 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
923 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
924 struct nlattr *nl_tcp;
929 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
933 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
934 tcp->data_payload_max))
937 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
938 tcp->data_payload_max))
941 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
944 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
945 sizeof(*tcp->tok), tcp->tok))
948 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
949 tcp->data_interval_max))
952 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
953 tcp->wake_payload_max))
956 nla_nest_end(msg, nl_tcp);
960 static int nl80211_send_wowlan(struct sk_buff *msg,
961 struct cfg80211_registered_device *dev,
964 struct nlattr *nl_wowlan;
966 if (!dev->wiphy.wowlan)
969 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
973 if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
974 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
975 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
976 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
977 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
978 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
979 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
980 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
981 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
982 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
983 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
984 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
985 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
986 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
987 ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
988 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
991 if (dev->wiphy.wowlan->n_patterns) {
992 struct nl80211_pattern_support pat = {
993 .max_patterns = dev->wiphy.wowlan->n_patterns,
994 .min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
995 .max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
996 .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset,
999 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1004 if (large && nl80211_send_wowlan_tcp_caps(dev, msg))
1007 nla_nest_end(msg, nl_wowlan);
1013 static int nl80211_send_coalesce(struct sk_buff *msg,
1014 struct cfg80211_registered_device *dev)
1016 struct nl80211_coalesce_rule_support rule;
1018 if (!dev->wiphy.coalesce)
1021 rule.max_rules = dev->wiphy.coalesce->n_rules;
1022 rule.max_delay = dev->wiphy.coalesce->max_delay;
1023 rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns;
1024 rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len;
1025 rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len;
1026 rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset;
1028 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1034 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1035 struct ieee80211_supported_band *sband)
1037 struct nlattr *nl_rates, *nl_rate;
1038 struct ieee80211_rate *rate;
1042 if (sband->ht_cap.ht_supported &&
1043 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1044 sizeof(sband->ht_cap.mcs),
1045 &sband->ht_cap.mcs) ||
1046 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1047 sband->ht_cap.cap) ||
1048 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1049 sband->ht_cap.ampdu_factor) ||
1050 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1051 sband->ht_cap.ampdu_density)))
1055 if (sband->vht_cap.vht_supported &&
1056 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1057 sizeof(sband->vht_cap.vht_mcs),
1058 &sband->vht_cap.vht_mcs) ||
1059 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1060 sband->vht_cap.cap)))
1064 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1068 for (i = 0; i < sband->n_bitrates; i++) {
1069 nl_rate = nla_nest_start(msg, i);
1073 rate = &sband->bitrates[i];
1074 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1077 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1079 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1082 nla_nest_end(msg, nl_rate);
1085 nla_nest_end(msg, nl_rates);
1091 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1092 const struct ieee80211_txrx_stypes *mgmt_stypes)
1095 struct nlattr *nl_ftypes, *nl_ifs;
1096 enum nl80211_iftype ift;
1102 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1106 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1107 nl_ftypes = nla_nest_start(msg, ift);
1111 stypes = mgmt_stypes[ift].tx;
1114 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1115 (i << 4) | IEEE80211_FTYPE_MGMT))
1120 nla_nest_end(msg, nl_ftypes);
1123 nla_nest_end(msg, nl_ifs);
1125 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1129 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1130 nl_ftypes = nla_nest_start(msg, ift);
1134 stypes = mgmt_stypes[ift].rx;
1137 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1138 (i << 4) | IEEE80211_FTYPE_MGMT))
1143 nla_nest_end(msg, nl_ftypes);
1145 nla_nest_end(msg, nl_ifs);
1150 struct nl80211_dump_wiphy_state {
1153 long split_start, band_start, chan_start;
1157 static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
1158 struct sk_buff *msg, u32 portid, u32 seq,
1159 int flags, struct nl80211_dump_wiphy_state *state)
1162 struct nlattr *nl_bands, *nl_band;
1163 struct nlattr *nl_freqs, *nl_freq;
1164 struct nlattr *nl_cmds;
1165 enum ieee80211_band band;
1166 struct ieee80211_channel *chan;
1168 const struct ieee80211_txrx_stypes *mgmt_stypes =
1169 dev->wiphy.mgmt_stypes;
1172 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
1176 if (WARN_ON(!state))
1179 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) ||
1180 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1181 wiphy_name(&dev->wiphy)) ||
1182 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1183 cfg80211_rdev_list_generation))
1184 goto nla_put_failure;
1186 switch (state->split_start) {
1188 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1189 dev->wiphy.retry_short) ||
1190 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1191 dev->wiphy.retry_long) ||
1192 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1193 dev->wiphy.frag_threshold) ||
1194 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1195 dev->wiphy.rts_threshold) ||
1196 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1197 dev->wiphy.coverage_class) ||
1198 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1199 dev->wiphy.max_scan_ssids) ||
1200 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1201 dev->wiphy.max_sched_scan_ssids) ||
1202 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1203 dev->wiphy.max_scan_ie_len) ||
1204 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1205 dev->wiphy.max_sched_scan_ie_len) ||
1206 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1207 dev->wiphy.max_match_sets))
1208 goto nla_put_failure;
1210 if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1211 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1212 goto nla_put_failure;
1213 if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1214 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1215 goto nla_put_failure;
1216 if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1217 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1218 goto nla_put_failure;
1219 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1220 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1221 goto nla_put_failure;
1222 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1223 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1224 goto nla_put_failure;
1225 if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1226 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1227 goto nla_put_failure;
1228 if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
1229 nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ))
1230 goto nla_put_failure;
1232 state->split_start++;
1236 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1237 sizeof(u32) * dev->wiphy.n_cipher_suites,
1238 dev->wiphy.cipher_suites))
1239 goto nla_put_failure;
1241 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1242 dev->wiphy.max_num_pmkids))
1243 goto nla_put_failure;
1245 if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1246 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1247 goto nla_put_failure;
1249 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1250 dev->wiphy.available_antennas_tx) ||
1251 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1252 dev->wiphy.available_antennas_rx))
1253 goto nla_put_failure;
1255 if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1256 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1257 dev->wiphy.probe_resp_offload))
1258 goto nla_put_failure;
1260 if ((dev->wiphy.available_antennas_tx ||
1261 dev->wiphy.available_antennas_rx) &&
1262 dev->ops->get_antenna) {
1263 u32 tx_ant = 0, rx_ant = 0;
1265 res = rdev_get_antenna(dev, &tx_ant, &rx_ant);
1267 if (nla_put_u32(msg,
1268 NL80211_ATTR_WIPHY_ANTENNA_TX,
1271 NL80211_ATTR_WIPHY_ANTENNA_RX,
1273 goto nla_put_failure;
1277 state->split_start++;
1281 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1282 dev->wiphy.interface_modes))
1283 goto nla_put_failure;
1284 state->split_start++;
1288 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1290 goto nla_put_failure;
1292 for (band = state->band_start;
1293 band < IEEE80211_NUM_BANDS; band++) {
1294 struct ieee80211_supported_band *sband;
1296 sband = dev->wiphy.bands[band];
1301 nl_band = nla_nest_start(msg, band);
1303 goto nla_put_failure;
1305 switch (state->chan_start) {
1307 if (nl80211_send_band_rateinfo(msg, sband))
1308 goto nla_put_failure;
1309 state->chan_start++;
1313 /* add frequencies */
1314 nl_freqs = nla_nest_start(
1315 msg, NL80211_BAND_ATTR_FREQS);
1317 goto nla_put_failure;
1319 for (i = state->chan_start - 1;
1320 i < sband->n_channels;
1322 nl_freq = nla_nest_start(msg, i);
1324 goto nla_put_failure;
1326 chan = &sband->channels[i];
1328 if (nl80211_msg_put_channel(
1331 goto nla_put_failure;
1333 nla_nest_end(msg, nl_freq);
1337 if (i < sband->n_channels)
1338 state->chan_start = i + 2;
1340 state->chan_start = 0;
1341 nla_nest_end(msg, nl_freqs);
1344 nla_nest_end(msg, nl_band);
1347 /* start again here */
1348 if (state->chan_start)
1353 nla_nest_end(msg, nl_bands);
1355 if (band < IEEE80211_NUM_BANDS)
1356 state->band_start = band + 1;
1358 state->band_start = 0;
1360 /* if bands & channels are done, continue outside */
1361 if (state->band_start == 0 && state->chan_start == 0)
1362 state->split_start++;
1366 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1368 goto nla_put_failure;
1371 #define CMD(op, n) \
1373 if (dev->ops->op) { \
1375 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1376 goto nla_put_failure; \
1380 CMD(add_virtual_intf, NEW_INTERFACE);
1381 CMD(change_virtual_intf, SET_INTERFACE);
1382 CMD(add_key, NEW_KEY);
1383 CMD(start_ap, START_AP);
1384 CMD(add_station, NEW_STATION);
1385 CMD(add_mpath, NEW_MPATH);
1386 CMD(update_mesh_config, SET_MESH_CONFIG);
1387 CMD(change_bss, SET_BSS);
1388 CMD(auth, AUTHENTICATE);
1389 CMD(assoc, ASSOCIATE);
1390 CMD(deauth, DEAUTHENTICATE);
1391 CMD(disassoc, DISASSOCIATE);
1392 CMD(join_ibss, JOIN_IBSS);
1393 CMD(join_mesh, JOIN_MESH);
1394 CMD(set_pmksa, SET_PMKSA);
1395 CMD(del_pmksa, DEL_PMKSA);
1396 CMD(flush_pmksa, FLUSH_PMKSA);
1397 if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1398 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1399 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1400 CMD(mgmt_tx, FRAME);
1401 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1402 if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1404 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1405 goto nla_put_failure;
1407 if (dev->ops->set_monitor_channel || dev->ops->start_ap ||
1408 dev->ops->join_mesh) {
1410 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1411 goto nla_put_failure;
1413 CMD(set_wds_peer, SET_WDS_PEER);
1414 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1415 CMD(tdls_mgmt, TDLS_MGMT);
1416 CMD(tdls_oper, TDLS_OPER);
1418 if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1419 CMD(sched_scan_start, START_SCHED_SCAN);
1420 CMD(probe_client, PROBE_CLIENT);
1421 CMD(set_noack_map, SET_NOACK_MAP);
1422 if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1424 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1425 goto nla_put_failure;
1427 CMD(start_p2p_device, START_P2P_DEVICE);
1428 CMD(set_mcast_rate, SET_MCAST_RATE);
1430 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1431 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1432 if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
1433 CMD(channel_switch, CHANNEL_SWITCH);
1436 #ifdef CONFIG_NL80211_TESTMODE
1437 CMD(testmode_cmd, TESTMODE);
1442 if (dev->ops->connect || dev->ops->auth) {
1444 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1445 goto nla_put_failure;
1448 if (dev->ops->disconnect || dev->ops->deauth) {
1450 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1451 goto nla_put_failure;
1454 nla_nest_end(msg, nl_cmds);
1455 state->split_start++;
1459 if (dev->ops->remain_on_channel &&
1460 (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1462 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1463 dev->wiphy.max_remain_on_channel_duration))
1464 goto nla_put_failure;
1466 if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1467 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1468 goto nla_put_failure;
1470 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1471 goto nla_put_failure;
1472 state->split_start++;
1477 if (nl80211_send_wowlan(msg, dev, state->split))
1478 goto nla_put_failure;
1479 state->split_start++;
1483 state->split_start++;
1486 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1487 dev->wiphy.software_iftypes))
1488 goto nla_put_failure;
1490 if (nl80211_put_iface_combinations(&dev->wiphy, msg,
1492 goto nla_put_failure;
1494 state->split_start++;
1498 if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1499 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1500 dev->wiphy.ap_sme_capa))
1501 goto nla_put_failure;
1503 features = dev->wiphy.features;
1505 * We can only add the per-channel limit information if the
1506 * dump is split, otherwise it makes it too big. Therefore
1507 * only advertise it in that case.
1510 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1511 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1512 goto nla_put_failure;
1514 if (dev->wiphy.ht_capa_mod_mask &&
1515 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1516 sizeof(*dev->wiphy.ht_capa_mod_mask),
1517 dev->wiphy.ht_capa_mod_mask))
1518 goto nla_put_failure;
1520 if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1521 dev->wiphy.max_acl_mac_addrs &&
1522 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1523 dev->wiphy.max_acl_mac_addrs))
1524 goto nla_put_failure;
1527 * Any information below this point is only available to
1528 * applications that can deal with it being split. This
1529 * helps ensure that newly added capabilities don't break
1530 * older tools by overrunning their buffers.
1532 * We still increment split_start so that in the split
1533 * case we'll continue with more data in the next round,
1534 * but break unconditionally so unsplit data stops here.
1536 state->split_start++;
1539 if (dev->wiphy.extended_capabilities &&
1540 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1541 dev->wiphy.extended_capabilities_len,
1542 dev->wiphy.extended_capabilities) ||
1543 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1544 dev->wiphy.extended_capabilities_len,
1545 dev->wiphy.extended_capabilities_mask)))
1546 goto nla_put_failure;
1548 if (dev->wiphy.vht_capa_mod_mask &&
1549 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1550 sizeof(*dev->wiphy.vht_capa_mod_mask),
1551 dev->wiphy.vht_capa_mod_mask))
1552 goto nla_put_failure;
1554 state->split_start++;
1557 if (nl80211_send_coalesce(msg, dev))
1558 goto nla_put_failure;
1561 state->split_start = 0;
1564 return genlmsg_end(msg, hdr);
1567 genlmsg_cancel(msg, hdr);
1571 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1572 struct netlink_callback *cb,
1573 struct nl80211_dump_wiphy_state *state)
1575 struct nlattr **tb = nl80211_fam.attrbuf;
1576 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1577 tb, nl80211_fam.maxattr, nl80211_policy);
1578 /* ignore parse errors for backward compatibility */
1582 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1583 if (tb[NL80211_ATTR_WIPHY])
1584 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1585 if (tb[NL80211_ATTR_WDEV])
1586 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1587 if (tb[NL80211_ATTR_IFINDEX]) {
1588 struct net_device *netdev;
1589 struct cfg80211_registered_device *rdev;
1590 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1592 netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
1595 if (netdev->ieee80211_ptr) {
1596 rdev = wiphy_to_dev(
1597 netdev->ieee80211_ptr->wiphy);
1598 state->filter_wiphy = rdev->wiphy_idx;
1606 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1609 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1610 struct cfg80211_registered_device *dev;
1614 state = kzalloc(sizeof(*state), GFP_KERNEL);
1619 state->filter_wiphy = -1;
1620 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1626 cb->args[0] = (long)state;
1629 list_for_each_entry(dev, &cfg80211_rdev_list, list) {
1630 if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
1632 if (++idx <= state->start)
1634 if (state->filter_wiphy != -1 &&
1635 state->filter_wiphy != dev->wiphy_idx)
1637 /* attempt to fit multiple wiphy data chunks into the skb */
1639 ret = nl80211_send_wiphy(dev, skb,
1640 NETLINK_CB(cb->skb).portid,
1642 NLM_F_MULTI, state);
1645 * If sending the wiphy data didn't fit (ENOBUFS
1646 * or EMSGSIZE returned), this SKB is still
1647 * empty (so it's not too big because another
1648 * wiphy dataset is already in the skb) and
1649 * we've not tried to adjust the dump allocation
1650 * yet ... then adjust the alloc size to be
1651 * bigger, and return 1 but with the empty skb.
1652 * This results in an empty message being RX'ed
1653 * in userspace, but that is ignored.
1655 * We can then retry with the larger buffer.
1657 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1659 cb->min_dump_alloc < 4096) {
1660 cb->min_dump_alloc = 4096;
1667 } while (state->split_start > 0);
1677 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
1679 kfree((void *)cb->args[0]);
1683 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
1685 struct sk_buff *msg;
1686 struct cfg80211_registered_device *dev = info->user_ptr[0];
1687 struct nl80211_dump_wiphy_state state = {};
1689 msg = nlmsg_new(4096, GFP_KERNEL);
1693 if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0,
1699 return genlmsg_reply(msg, info);
1702 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
1703 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
1704 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
1705 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
1706 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
1707 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
1710 static int parse_txq_params(struct nlattr *tb[],
1711 struct ieee80211_txq_params *txq_params)
1713 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
1714 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
1715 !tb[NL80211_TXQ_ATTR_AIFS])
1718 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
1719 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
1720 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
1721 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
1722 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
1724 if (txq_params->ac >= NL80211_NUM_ACS)
1730 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
1733 * You can only set the channel explicitly for WDS interfaces,
1734 * all others have their channel managed via their respective
1735 * "establish a connection" command (connect, join, ...)
1737 * For AP/GO and mesh mode, the channel can be set with the
1738 * channel userspace API, but is only stored and passed to the
1739 * low-level driver when the AP starts or the mesh is joined.
1740 * This is for backward compatibility, userspace can also give
1741 * the channel in the start-ap or join-mesh commands instead.
1743 * Monitors are special as they are normally slaved to
1744 * whatever else is going on, so they have their own special
1745 * operation to set the monitor channel if possible.
1748 wdev->iftype == NL80211_IFTYPE_AP ||
1749 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
1750 wdev->iftype == NL80211_IFTYPE_MONITOR ||
1751 wdev->iftype == NL80211_IFTYPE_P2P_GO;
1754 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
1755 struct genl_info *info,
1756 struct cfg80211_chan_def *chandef)
1760 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
1763 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
1765 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
1766 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
1767 chandef->center_freq1 = control_freq;
1768 chandef->center_freq2 = 0;
1770 /* Primary channel not allowed */
1771 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
1774 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1775 enum nl80211_channel_type chantype;
1777 chantype = nla_get_u32(
1778 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1781 case NL80211_CHAN_NO_HT:
1782 case NL80211_CHAN_HT20:
1783 case NL80211_CHAN_HT40PLUS:
1784 case NL80211_CHAN_HT40MINUS:
1785 cfg80211_chandef_create(chandef, chandef->chan,
1791 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
1793 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
1794 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
1795 chandef->center_freq1 =
1797 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
1798 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
1799 chandef->center_freq2 =
1801 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
1804 if (!cfg80211_chandef_valid(chandef))
1807 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
1808 IEEE80211_CHAN_DISABLED))
1811 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
1812 chandef->width == NL80211_CHAN_WIDTH_10) &&
1813 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
1819 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
1820 struct wireless_dev *wdev,
1821 struct genl_info *info)
1823 struct cfg80211_chan_def chandef;
1825 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
1828 iftype = wdev->iftype;
1830 if (!nl80211_can_set_dev_channel(wdev))
1833 result = nl80211_parse_chandef(rdev, info, &chandef);
1838 case NL80211_IFTYPE_AP:
1839 case NL80211_IFTYPE_P2P_GO:
1840 if (wdev->beacon_interval) {
1844 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) {
1848 wdev->preset_chandef = chandef;
1851 case NL80211_IFTYPE_MESH_POINT:
1852 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
1854 case NL80211_IFTYPE_MONITOR:
1855 result = cfg80211_set_monitor_channel(rdev, &chandef);
1864 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
1866 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1867 struct net_device *netdev = info->user_ptr[1];
1869 return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info);
1872 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
1874 struct cfg80211_registered_device *rdev = info->user_ptr[0];
1875 struct net_device *dev = info->user_ptr[1];
1876 struct wireless_dev *wdev = dev->ieee80211_ptr;
1879 if (!info->attrs[NL80211_ATTR_MAC])
1882 if (netif_running(dev))
1885 if (!rdev->ops->set_wds_peer)
1888 if (wdev->iftype != NL80211_IFTYPE_WDS)
1891 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
1892 return rdev_set_wds_peer(rdev, dev, bssid);
1896 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
1898 struct cfg80211_registered_device *rdev;
1899 struct net_device *netdev = NULL;
1900 struct wireless_dev *wdev;
1901 int result = 0, rem_txq_params = 0;
1902 struct nlattr *nl_txq_params;
1904 u8 retry_short = 0, retry_long = 0;
1905 u32 frag_threshold = 0, rts_threshold = 0;
1906 u8 coverage_class = 0;
1911 * Try to find the wiphy and netdev. Normally this
1912 * function shouldn't need the netdev, but this is
1913 * done for backward compatibility -- previously
1914 * setting the channel was done per wiphy, but now
1915 * it is per netdev. Previous userland like hostapd
1916 * also passed a netdev to set_wiphy, so that it is
1917 * possible to let that go to the right netdev!
1920 if (info->attrs[NL80211_ATTR_IFINDEX]) {
1921 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
1923 netdev = dev_get_by_index(genl_info_net(info), ifindex);
1924 if (netdev && netdev->ieee80211_ptr)
1925 rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
1931 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
1934 return PTR_ERR(rdev);
1939 wdev = netdev->ieee80211_ptr;
1942 * end workaround code, by now the rdev is available
1943 * and locked, and wdev may or may not be NULL.
1946 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
1947 result = cfg80211_dev_rename(
1948 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
1953 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
1954 struct ieee80211_txq_params txq_params;
1955 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
1957 if (!rdev->ops->set_txq_params) {
1958 result = -EOPNOTSUPP;
1967 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
1968 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1973 if (!netif_running(netdev)) {
1978 nla_for_each_nested(nl_txq_params,
1979 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
1981 nla_parse(tb, NL80211_TXQ_ATTR_MAX,
1982 nla_data(nl_txq_params),
1983 nla_len(nl_txq_params),
1985 result = parse_txq_params(tb, &txq_params);
1989 result = rdev_set_txq_params(rdev, netdev,
1996 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
1997 result = __nl80211_set_channel(rdev,
1998 nl80211_can_set_dev_channel(wdev) ? wdev : NULL,
2004 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2005 struct wireless_dev *txp_wdev = wdev;
2006 enum nl80211_tx_power_setting type;
2009 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2012 if (!rdev->ops->set_tx_power) {
2013 result = -EOPNOTSUPP;
2017 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2018 type = nla_get_u32(info->attrs[idx]);
2020 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2021 (type != NL80211_TX_POWER_AUTOMATIC)) {
2026 if (type != NL80211_TX_POWER_AUTOMATIC) {
2027 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2028 mbm = nla_get_u32(info->attrs[idx]);
2031 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2036 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2037 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2039 if ((!rdev->wiphy.available_antennas_tx &&
2040 !rdev->wiphy.available_antennas_rx) ||
2041 !rdev->ops->set_antenna) {
2042 result = -EOPNOTSUPP;
2046 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2047 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2049 /* reject antenna configurations which don't match the
2050 * available antenna masks, except for the "all" mask */
2051 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2052 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
2057 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2058 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2060 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2067 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2068 retry_short = nla_get_u8(
2069 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2070 if (retry_short == 0) {
2074 changed |= WIPHY_PARAM_RETRY_SHORT;
2077 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2078 retry_long = nla_get_u8(
2079 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2080 if (retry_long == 0) {
2084 changed |= WIPHY_PARAM_RETRY_LONG;
2087 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2088 frag_threshold = nla_get_u32(
2089 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2090 if (frag_threshold < 256) {
2094 if (frag_threshold != (u32) -1) {
2096 * Fragments (apart from the last one) are required to
2097 * have even length. Make the fragmentation code
2098 * simpler by stripping LSB should someone try to use
2099 * odd threshold value.
2101 frag_threshold &= ~0x1;
2103 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2106 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2107 rts_threshold = nla_get_u32(
2108 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2109 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2112 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2113 coverage_class = nla_get_u8(
2114 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2115 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2119 u8 old_retry_short, old_retry_long;
2120 u32 old_frag_threshold, old_rts_threshold;
2121 u8 old_coverage_class;
2123 if (!rdev->ops->set_wiphy_params) {
2124 result = -EOPNOTSUPP;
2128 old_retry_short = rdev->wiphy.retry_short;
2129 old_retry_long = rdev->wiphy.retry_long;
2130 old_frag_threshold = rdev->wiphy.frag_threshold;
2131 old_rts_threshold = rdev->wiphy.rts_threshold;
2132 old_coverage_class = rdev->wiphy.coverage_class;
2134 if (changed & WIPHY_PARAM_RETRY_SHORT)
2135 rdev->wiphy.retry_short = retry_short;
2136 if (changed & WIPHY_PARAM_RETRY_LONG)
2137 rdev->wiphy.retry_long = retry_long;
2138 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2139 rdev->wiphy.frag_threshold = frag_threshold;
2140 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2141 rdev->wiphy.rts_threshold = rts_threshold;
2142 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2143 rdev->wiphy.coverage_class = coverage_class;
2145 result = rdev_set_wiphy_params(rdev, changed);
2147 rdev->wiphy.retry_short = old_retry_short;
2148 rdev->wiphy.retry_long = old_retry_long;
2149 rdev->wiphy.frag_threshold = old_frag_threshold;
2150 rdev->wiphy.rts_threshold = old_rts_threshold;
2151 rdev->wiphy.coverage_class = old_coverage_class;
2161 static inline u64 wdev_id(struct wireless_dev *wdev)
2163 return (u64)wdev->identifier |
2164 ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
2167 static int nl80211_send_chandef(struct sk_buff *msg,
2168 struct cfg80211_chan_def *chandef)
2170 WARN_ON(!cfg80211_chandef_valid(chandef));
2172 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2173 chandef->chan->center_freq))
2175 switch (chandef->width) {
2176 case NL80211_CHAN_WIDTH_20_NOHT:
2177 case NL80211_CHAN_WIDTH_20:
2178 case NL80211_CHAN_WIDTH_40:
2179 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2180 cfg80211_get_chandef_type(chandef)))
2186 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2188 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2190 if (chandef->center_freq2 &&
2191 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2196 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2197 struct cfg80211_registered_device *rdev,
2198 struct wireless_dev *wdev)
2200 struct net_device *dev = wdev->netdev;
2203 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_INTERFACE);
2208 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2209 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2210 goto nla_put_failure;
2212 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2213 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2214 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
2215 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2216 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2217 rdev->devlist_generation ^
2218 (cfg80211_rdev_list_generation << 2)))
2219 goto nla_put_failure;
2221 if (rdev->ops->get_channel) {
2223 struct cfg80211_chan_def chandef;
2225 ret = rdev_get_channel(rdev, wdev, &chandef);
2227 if (nl80211_send_chandef(msg, &chandef))
2228 goto nla_put_failure;
2232 if (wdev->ssid_len) {
2233 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2234 goto nla_put_failure;
2237 return genlmsg_end(msg, hdr);
2240 genlmsg_cancel(msg, hdr);
2244 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2248 int wp_start = cb->args[0];
2249 int if_start = cb->args[1];
2250 struct cfg80211_registered_device *rdev;
2251 struct wireless_dev *wdev;
2254 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2255 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2257 if (wp_idx < wp_start) {
2263 list_for_each_entry(wdev, &rdev->wdev_list, list) {
2264 if (if_idx < if_start) {
2268 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2269 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2281 cb->args[0] = wp_idx;
2282 cb->args[1] = if_idx;
2287 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2289 struct sk_buff *msg;
2290 struct cfg80211_registered_device *dev = info->user_ptr[0];
2291 struct wireless_dev *wdev = info->user_ptr[1];
2293 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2297 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2303 return genlmsg_reply(msg, info);
2306 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2307 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2308 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2309 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2310 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2311 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2312 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
2315 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2317 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2325 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2326 nla, mntr_flags_policy))
2329 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2331 *mntrflags |= (1<<flag);
2336 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2337 struct net_device *netdev, u8 use_4addr,
2338 enum nl80211_iftype iftype)
2341 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2347 case NL80211_IFTYPE_AP_VLAN:
2348 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2351 case NL80211_IFTYPE_STATION:
2352 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2362 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2364 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2365 struct vif_params params;
2367 enum nl80211_iftype otype, ntype;
2368 struct net_device *dev = info->user_ptr[1];
2369 u32 _flags, *flags = NULL;
2370 bool change = false;
2372 memset(¶ms, 0, sizeof(params));
2374 otype = ntype = dev->ieee80211_ptr->iftype;
2376 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2377 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2380 if (ntype > NL80211_IFTYPE_MAX)
2384 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2385 struct wireless_dev *wdev = dev->ieee80211_ptr;
2387 if (ntype != NL80211_IFTYPE_MESH_POINT)
2389 if (netif_running(dev))
2393 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2394 IEEE80211_MAX_MESH_ID_LEN);
2395 wdev->mesh_id_up_len =
2396 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2397 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2398 wdev->mesh_id_up_len);
2402 if (info->attrs[NL80211_ATTR_4ADDR]) {
2403 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2405 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2409 params.use_4addr = -1;
2412 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2413 if (ntype != NL80211_IFTYPE_MONITOR)
2415 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2424 if (flags && (*flags & NL80211_MNTR_FLAG_ACTIVE) &&
2425 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2429 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2433 if (!err && params.use_4addr != -1)
2434 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2439 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2441 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2442 struct vif_params params;
2443 struct wireless_dev *wdev;
2444 struct sk_buff *msg;
2446 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2449 memset(¶ms, 0, sizeof(params));
2451 if (!info->attrs[NL80211_ATTR_IFNAME])
2454 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2455 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2456 if (type > NL80211_IFTYPE_MAX)
2460 if (!rdev->ops->add_virtual_intf ||
2461 !(rdev->wiphy.interface_modes & (1 << type)))
2464 if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) {
2465 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2467 if (!is_valid_ether_addr(params.macaddr))
2468 return -EADDRNOTAVAIL;
2471 if (info->attrs[NL80211_ATTR_4ADDR]) {
2472 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2473 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2478 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2482 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2483 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2486 if (!err && (flags & NL80211_MNTR_FLAG_ACTIVE) &&
2487 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2490 wdev = rdev_add_virtual_intf(rdev,
2491 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2492 type, err ? NULL : &flags, ¶ms);
2495 return PTR_ERR(wdev);
2499 case NL80211_IFTYPE_MESH_POINT:
2500 if (!info->attrs[NL80211_ATTR_MESH_ID])
2503 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2504 IEEE80211_MAX_MESH_ID_LEN);
2505 wdev->mesh_id_up_len =
2506 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2507 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2508 wdev->mesh_id_up_len);
2511 case NL80211_IFTYPE_P2P_DEVICE:
2513 * P2P Device doesn't have a netdev, so doesn't go
2514 * through the netdev notifier and must be added here
2516 mutex_init(&wdev->mtx);
2517 INIT_LIST_HEAD(&wdev->event_list);
2518 spin_lock_init(&wdev->event_lock);
2519 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2520 spin_lock_init(&wdev->mgmt_registrations_lock);
2522 wdev->identifier = ++rdev->wdev_id;
2523 list_add_rcu(&wdev->list, &rdev->wdev_list);
2524 rdev->devlist_generation++;
2530 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2536 return genlmsg_reply(msg, info);
2539 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2541 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2542 struct wireless_dev *wdev = info->user_ptr[1];
2544 if (!rdev->ops->del_virtual_intf)
2548 * If we remove a wireless device without a netdev then clear
2549 * user_ptr[1] so that nl80211_post_doit won't dereference it
2550 * to check if it needs to do dev_put(). Otherwise it crashes
2551 * since the wdev has been freed, unlike with a netdev where
2552 * we need the dev_put() for the netdev to really be freed.
2555 info->user_ptr[1] = NULL;
2557 return rdev_del_virtual_intf(rdev, wdev);
2560 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2562 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2563 struct net_device *dev = info->user_ptr[1];
2566 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
2569 if (!rdev->ops->set_noack_map)
2572 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
2574 return rdev_set_noack_map(rdev, dev, noack_map);
2577 struct get_key_cookie {
2578 struct sk_buff *msg;
2583 static void get_key_callback(void *c, struct key_params *params)
2586 struct get_key_cookie *cookie = c;
2589 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
2590 params->key_len, params->key)) ||
2592 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
2593 params->seq_len, params->seq)) ||
2595 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
2597 goto nla_put_failure;
2599 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
2601 goto nla_put_failure;
2604 nla_put(cookie->msg, NL80211_KEY_DATA,
2605 params->key_len, params->key)) ||
2607 nla_put(cookie->msg, NL80211_KEY_SEQ,
2608 params->seq_len, params->seq)) ||
2610 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
2612 goto nla_put_failure;
2614 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
2615 goto nla_put_failure;
2617 nla_nest_end(cookie->msg, key);
2624 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
2626 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2628 struct net_device *dev = info->user_ptr[1];
2630 const u8 *mac_addr = NULL;
2632 struct get_key_cookie cookie = {
2636 struct sk_buff *msg;
2638 if (info->attrs[NL80211_ATTR_KEY_IDX])
2639 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
2644 if (info->attrs[NL80211_ATTR_MAC])
2645 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2647 pairwise = !!mac_addr;
2648 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
2649 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
2650 if (kt >= NUM_NL80211_KEYTYPES)
2652 if (kt != NL80211_KEYTYPE_GROUP &&
2653 kt != NL80211_KEYTYPE_PAIRWISE)
2655 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
2658 if (!rdev->ops->get_key)
2661 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2665 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
2666 NL80211_CMD_NEW_KEY);
2671 cookie.idx = key_idx;
2673 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2674 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2675 goto nla_put_failure;
2677 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
2678 goto nla_put_failure;
2680 if (pairwise && mac_addr &&
2681 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2684 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
2691 goto nla_put_failure;
2693 genlmsg_end(msg, hdr);
2694 return genlmsg_reply(msg, info);
2703 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
2705 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2706 struct key_parse key;
2708 struct net_device *dev = info->user_ptr[1];
2710 err = nl80211_parse_key(info, &key);
2717 /* only support setting default key */
2718 if (!key.def && !key.defmgmt)
2721 wdev_lock(dev->ieee80211_ptr);
2724 if (!rdev->ops->set_default_key) {
2729 err = nl80211_key_allowed(dev->ieee80211_ptr);
2733 err = rdev_set_default_key(rdev, dev, key.idx,
2734 key.def_uni, key.def_multi);
2739 #ifdef CONFIG_CFG80211_WEXT
2740 dev->ieee80211_ptr->wext.default_key = key.idx;
2743 if (key.def_uni || !key.def_multi) {
2748 if (!rdev->ops->set_default_mgmt_key) {
2753 err = nl80211_key_allowed(dev->ieee80211_ptr);
2757 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
2761 #ifdef CONFIG_CFG80211_WEXT
2762 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
2767 wdev_unlock(dev->ieee80211_ptr);
2772 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
2774 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2776 struct net_device *dev = info->user_ptr[1];
2777 struct key_parse key;
2778 const u8 *mac_addr = NULL;
2780 err = nl80211_parse_key(info, &key);
2787 if (info->attrs[NL80211_ATTR_MAC])
2788 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2790 if (key.type == -1) {
2792 key.type = NL80211_KEYTYPE_PAIRWISE;
2794 key.type = NL80211_KEYTYPE_GROUP;
2798 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2799 key.type != NL80211_KEYTYPE_GROUP)
2802 if (!rdev->ops->add_key)
2805 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
2806 key.type == NL80211_KEYTYPE_PAIRWISE,
2810 wdev_lock(dev->ieee80211_ptr);
2811 err = nl80211_key_allowed(dev->ieee80211_ptr);
2813 err = rdev_add_key(rdev, dev, key.idx,
2814 key.type == NL80211_KEYTYPE_PAIRWISE,
2816 wdev_unlock(dev->ieee80211_ptr);
2821 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
2823 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2825 struct net_device *dev = info->user_ptr[1];
2826 u8 *mac_addr = NULL;
2827 struct key_parse key;
2829 err = nl80211_parse_key(info, &key);
2833 if (info->attrs[NL80211_ATTR_MAC])
2834 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
2836 if (key.type == -1) {
2838 key.type = NL80211_KEYTYPE_PAIRWISE;
2840 key.type = NL80211_KEYTYPE_GROUP;
2844 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
2845 key.type != NL80211_KEYTYPE_GROUP)
2848 if (!rdev->ops->del_key)
2851 wdev_lock(dev->ieee80211_ptr);
2852 err = nl80211_key_allowed(dev->ieee80211_ptr);
2854 if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
2855 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
2859 err = rdev_del_key(rdev, dev, key.idx,
2860 key.type == NL80211_KEYTYPE_PAIRWISE,
2863 #ifdef CONFIG_CFG80211_WEXT
2865 if (key.idx == dev->ieee80211_ptr->wext.default_key)
2866 dev->ieee80211_ptr->wext.default_key = -1;
2867 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
2868 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
2871 wdev_unlock(dev->ieee80211_ptr);
2876 /* This function returns an error or the number of nested attributes */
2877 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
2879 struct nlattr *attr;
2880 int n_entries = 0, tmp;
2882 nla_for_each_nested(attr, nl_attr, tmp) {
2883 if (nla_len(attr) != ETH_ALEN)
2893 * This function parses ACL information and allocates memory for ACL data.
2894 * On successful return, the calling function is responsible to free the
2895 * ACL buffer returned by this function.
2897 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
2898 struct genl_info *info)
2900 enum nl80211_acl_policy acl_policy;
2901 struct nlattr *attr;
2902 struct cfg80211_acl_data *acl;
2903 int i = 0, n_entries, tmp;
2905 if (!wiphy->max_acl_mac_addrs)
2906 return ERR_PTR(-EOPNOTSUPP);
2908 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
2909 return ERR_PTR(-EINVAL);
2911 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
2912 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
2913 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
2914 return ERR_PTR(-EINVAL);
2916 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
2917 return ERR_PTR(-EINVAL);
2919 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
2921 return ERR_PTR(n_entries);
2923 if (n_entries > wiphy->max_acl_mac_addrs)
2924 return ERR_PTR(-ENOTSUPP);
2926 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
2929 return ERR_PTR(-ENOMEM);
2931 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
2932 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
2936 acl->n_acl_entries = n_entries;
2937 acl->acl_policy = acl_policy;
2942 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
2944 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2945 struct net_device *dev = info->user_ptr[1];
2946 struct cfg80211_acl_data *acl;
2949 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2950 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2953 if (!dev->ieee80211_ptr->beacon_interval)
2956 acl = parse_acl_data(&rdev->wiphy, info);
2958 return PTR_ERR(acl);
2960 err = rdev_set_mac_acl(rdev, dev, acl);
2967 static int nl80211_parse_beacon(struct nlattr *attrs[],
2968 struct cfg80211_beacon_data *bcn)
2970 bool haveinfo = false;
2972 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
2973 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
2974 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
2975 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
2978 memset(bcn, 0, sizeof(*bcn));
2980 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
2981 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
2982 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
2988 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
2989 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
2990 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
2997 if (attrs[NL80211_ATTR_IE]) {
2998 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
2999 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
3002 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
3003 bcn->proberesp_ies =
3004 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3005 bcn->proberesp_ies_len =
3006 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3009 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
3010 bcn->assocresp_ies =
3011 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3012 bcn->assocresp_ies_len =
3013 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3016 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3017 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3018 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
3024 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3025 struct cfg80211_ap_settings *params)
3027 struct wireless_dev *wdev;
3030 list_for_each_entry(wdev, &rdev->wdev_list, list) {
3031 if (wdev->iftype != NL80211_IFTYPE_AP &&
3032 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3035 if (!wdev->preset_chandef.chan)
3038 params->chandef = wdev->preset_chandef;
3046 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3047 enum nl80211_auth_type auth_type,
3048 enum nl80211_commands cmd)
3050 if (auth_type > NL80211_AUTHTYPE_MAX)
3054 case NL80211_CMD_AUTHENTICATE:
3055 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3056 auth_type == NL80211_AUTHTYPE_SAE)
3059 case NL80211_CMD_CONNECT:
3060 case NL80211_CMD_START_AP:
3061 /* SAE not supported yet */
3062 if (auth_type == NL80211_AUTHTYPE_SAE)
3070 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3072 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3073 struct net_device *dev = info->user_ptr[1];
3074 struct wireless_dev *wdev = dev->ieee80211_ptr;
3075 struct cfg80211_ap_settings params;
3077 u8 radar_detect_width = 0;
3079 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3080 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3083 if (!rdev->ops->start_ap)
3086 if (wdev->beacon_interval)
3089 memset(¶ms, 0, sizeof(params));
3091 /* these are required for START_AP */
3092 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3093 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3094 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3097 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon);
3101 params.beacon_interval =
3102 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3103 params.dtim_period =
3104 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3106 err = cfg80211_validate_beacon_int(rdev, params.beacon_interval);
3111 * In theory, some of these attributes should be required here
3112 * but since they were not used when the command was originally
3113 * added, keep them optional for old user space programs to let
3114 * them continue to work with drivers that do not need the
3115 * additional information -- drivers must check!
3117 if (info->attrs[NL80211_ATTR_SSID]) {
3118 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3120 nla_len(info->attrs[NL80211_ATTR_SSID]);
3121 if (params.ssid_len == 0 ||
3122 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3126 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3127 params.hidden_ssid = nla_get_u32(
3128 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3129 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3130 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3131 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3135 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3137 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3138 params.auth_type = nla_get_u32(
3139 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3140 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3141 NL80211_CMD_START_AP))
3144 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3146 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3147 NL80211_MAX_NR_CIPHER_SUITES);
3151 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3152 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3154 params.inactivity_timeout = nla_get_u16(
3155 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3158 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3159 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3161 params.p2p_ctwindow =
3162 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3163 if (params.p2p_ctwindow > 127)
3165 if (params.p2p_ctwindow != 0 &&
3166 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3170 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3173 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3175 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3178 params.p2p_opp_ps = tmp;
3179 if (params.p2p_opp_ps != 0 &&
3180 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3184 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3185 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
3188 } else if (wdev->preset_chandef.chan) {
3189 params.chandef = wdev->preset_chandef;
3190 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
3193 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
3196 err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef);
3200 radar_detect_width = BIT(params.chandef.width);
3201 params.radar_required = true;
3204 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
3205 params.chandef.chan,
3207 radar_detect_width);
3211 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3212 params.acl = parse_acl_data(&rdev->wiphy, info);
3213 if (IS_ERR(params.acl))
3214 return PTR_ERR(params.acl);
3217 err = rdev_start_ap(rdev, dev, ¶ms);
3219 wdev->preset_chandef = params.chandef;
3220 wdev->beacon_interval = params.beacon_interval;
3221 wdev->channel = params.chandef.chan;
3222 wdev->ssid_len = params.ssid_len;
3223 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
3231 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3233 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3234 struct net_device *dev = info->user_ptr[1];
3235 struct wireless_dev *wdev = dev->ieee80211_ptr;
3236 struct cfg80211_beacon_data params;
3239 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3240 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3243 if (!rdev->ops->change_beacon)
3246 if (!wdev->beacon_interval)
3249 err = nl80211_parse_beacon(info->attrs, ¶ms);
3253 return rdev_change_beacon(rdev, dev, ¶ms);
3256 static int nl80211_stop_ap(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];
3261 return cfg80211_stop_ap(rdev, dev);
3264 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
3265 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
3266 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
3267 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
3268 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
3269 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
3270 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
3273 static int parse_station_flags(struct genl_info *info,
3274 enum nl80211_iftype iftype,
3275 struct station_parameters *params)
3277 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
3282 * Try parsing the new attribute first so userspace
3283 * can specify both for older kernels.
3285 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
3287 struct nl80211_sta_flag_update *sta_flags;
3289 sta_flags = nla_data(nla);
3290 params->sta_flags_mask = sta_flags->mask;
3291 params->sta_flags_set = sta_flags->set;
3292 params->sta_flags_set &= params->sta_flags_mask;
3293 if ((params->sta_flags_mask |
3294 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
3299 /* if present, parse the old attribute */
3301 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
3305 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
3306 nla, sta_flags_policy))
3310 * Only allow certain flags for interface types so that
3311 * other attributes are silently ignored. Remember that
3312 * this is backward compatibility code with old userspace
3313 * and shouldn't be hit in other cases anyway.
3316 case NL80211_IFTYPE_AP:
3317 case NL80211_IFTYPE_AP_VLAN:
3318 case NL80211_IFTYPE_P2P_GO:
3319 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3320 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3321 BIT(NL80211_STA_FLAG_WME) |
3322 BIT(NL80211_STA_FLAG_MFP);
3324 case NL80211_IFTYPE_P2P_CLIENT:
3325 case NL80211_IFTYPE_STATION:
3326 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
3327 BIT(NL80211_STA_FLAG_TDLS_PEER);
3329 case NL80211_IFTYPE_MESH_POINT:
3330 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3331 BIT(NL80211_STA_FLAG_MFP) |
3332 BIT(NL80211_STA_FLAG_AUTHORIZED);
3337 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
3339 params->sta_flags_set |= (1<<flag);
3341 /* no longer support new API additions in old API */
3342 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
3350 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
3353 struct nlattr *rate;
3357 rate = nla_nest_start(msg, attr);
3361 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3362 bitrate = cfg80211_calculate_bitrate(info);
3363 /* report 16-bit bitrate only if we can */
3364 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
3366 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
3368 if (bitrate_compat > 0 &&
3369 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
3372 if (info->flags & RATE_INFO_FLAGS_MCS) {
3373 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
3375 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3376 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3378 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3379 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3381 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
3382 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
3384 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
3386 if (info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH &&
3387 nla_put_flag(msg, NL80211_RATE_INFO_40_MHZ_WIDTH))
3389 if (info->flags & RATE_INFO_FLAGS_80_MHZ_WIDTH &&
3390 nla_put_flag(msg, NL80211_RATE_INFO_80_MHZ_WIDTH))
3392 if (info->flags & RATE_INFO_FLAGS_80P80_MHZ_WIDTH &&
3393 nla_put_flag(msg, NL80211_RATE_INFO_80P80_MHZ_WIDTH))
3395 if (info->flags & RATE_INFO_FLAGS_160_MHZ_WIDTH &&
3396 nla_put_flag(msg, NL80211_RATE_INFO_160_MHZ_WIDTH))
3398 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
3399 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
3403 nla_nest_end(msg, rate);
3407 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
3416 attr = nla_nest_start(msg, id);
3420 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3421 if (!(mask & BIT(i)))
3424 if (nla_put_u8(msg, i, signal[i]))
3428 nla_nest_end(msg, attr);
3433 static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
3435 struct cfg80211_registered_device *rdev,
3436 struct net_device *dev,
3437 const u8 *mac_addr, struct station_info *sinfo)
3440 struct nlattr *sinfoattr, *bss_param;
3442 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
3446 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3447 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
3448 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
3449 goto nla_put_failure;
3451 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
3453 goto nla_put_failure;
3454 if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
3455 nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
3456 sinfo->connected_time))
3457 goto nla_put_failure;
3458 if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
3459 nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
3460 sinfo->inactive_time))
3461 goto nla_put_failure;
3462 if ((sinfo->filled & (STATION_INFO_RX_BYTES |
3463 STATION_INFO_RX_BYTES64)) &&
3464 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
3465 (u32)sinfo->rx_bytes))
3466 goto nla_put_failure;
3467 if ((sinfo->filled & (STATION_INFO_TX_BYTES |
3468 STATION_INFO_TX_BYTES64)) &&
3469 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
3470 (u32)sinfo->tx_bytes))
3471 goto nla_put_failure;
3472 if ((sinfo->filled & STATION_INFO_RX_BYTES64) &&
3473 nla_put_u64(msg, NL80211_STA_INFO_RX_BYTES64,
3475 goto nla_put_failure;
3476 if ((sinfo->filled & STATION_INFO_TX_BYTES64) &&
3477 nla_put_u64(msg, NL80211_STA_INFO_TX_BYTES64,
3479 goto nla_put_failure;
3480 if ((sinfo->filled & STATION_INFO_LLID) &&
3481 nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
3482 goto nla_put_failure;
3483 if ((sinfo->filled & STATION_INFO_PLID) &&
3484 nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
3485 goto nla_put_failure;
3486 if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
3487 nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
3488 sinfo->plink_state))
3489 goto nla_put_failure;
3490 switch (rdev->wiphy.signal_type) {
3491 case CFG80211_SIGNAL_TYPE_MBM:
3492 if ((sinfo->filled & STATION_INFO_SIGNAL) &&
3493 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
3495 goto nla_put_failure;
3496 if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
3497 nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
3499 goto nla_put_failure;
3504 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
3505 if (!nl80211_put_signal(msg, sinfo->chains,
3506 sinfo->chain_signal,
3507 NL80211_STA_INFO_CHAIN_SIGNAL))
3508 goto nla_put_failure;
3510 if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
3511 if (!nl80211_put_signal(msg, sinfo->chains,
3512 sinfo->chain_signal_avg,
3513 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
3514 goto nla_put_failure;
3516 if (sinfo->filled & STATION_INFO_TX_BITRATE) {
3517 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
3518 NL80211_STA_INFO_TX_BITRATE))
3519 goto nla_put_failure;
3521 if (sinfo->filled & STATION_INFO_RX_BITRATE) {
3522 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
3523 NL80211_STA_INFO_RX_BITRATE))
3524 goto nla_put_failure;
3526 if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
3527 nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
3529 goto nla_put_failure;
3530 if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
3531 nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
3533 goto nla_put_failure;
3534 if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
3535 nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
3537 goto nla_put_failure;
3538 if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
3539 nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
3541 goto nla_put_failure;
3542 if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
3543 nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
3544 sinfo->beacon_loss_count))
3545 goto nla_put_failure;
3546 if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
3547 nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
3549 goto nla_put_failure;
3550 if ((sinfo->filled & STATION_INFO_PEER_PM) &&
3551 nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
3553 goto nla_put_failure;
3554 if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
3555 nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
3557 goto nla_put_failure;
3558 if (sinfo->filled & STATION_INFO_BSS_PARAM) {
3559 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
3561 goto nla_put_failure;
3563 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
3564 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
3565 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
3566 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
3567 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
3568 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
3569 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
3570 sinfo->bss_param.dtim_period) ||
3571 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
3572 sinfo->bss_param.beacon_interval))
3573 goto nla_put_failure;
3575 nla_nest_end(msg, bss_param);
3577 if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
3578 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
3579 sizeof(struct nl80211_sta_flag_update),
3581 goto nla_put_failure;
3582 if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
3583 nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
3585 goto nla_put_failure;
3586 nla_nest_end(msg, sinfoattr);
3588 if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
3589 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
3590 sinfo->assoc_req_ies))
3591 goto nla_put_failure;
3593 return genlmsg_end(msg, hdr);
3596 genlmsg_cancel(msg, hdr);
3600 static int nl80211_dump_station(struct sk_buff *skb,
3601 struct netlink_callback *cb)
3603 struct station_info sinfo;
3604 struct cfg80211_registered_device *dev;
3605 struct wireless_dev *wdev;
3606 u8 mac_addr[ETH_ALEN];
3607 int sta_idx = cb->args[2];
3610 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
3614 if (!wdev->netdev) {
3619 if (!dev->ops->dump_station) {
3625 memset(&sinfo, 0, sizeof(sinfo));
3626 err = rdev_dump_station(dev, wdev->netdev, sta_idx,
3633 if (nl80211_send_station(skb,
3634 NETLINK_CB(cb->skb).portid,
3635 cb->nlh->nlmsg_seq, NLM_F_MULTI,
3636 dev, wdev->netdev, mac_addr,
3645 cb->args[2] = sta_idx;
3648 nl80211_finish_wdev_dump(dev);
3653 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
3655 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3656 struct net_device *dev = info->user_ptr[1];
3657 struct station_info sinfo;
3658 struct sk_buff *msg;
3659 u8 *mac_addr = NULL;
3662 memset(&sinfo, 0, sizeof(sinfo));
3664 if (!info->attrs[NL80211_ATTR_MAC])
3667 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3669 if (!rdev->ops->get_station)
3672 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
3676 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3680 if (nl80211_send_station(msg, info->snd_portid, info->snd_seq, 0,
3681 rdev, dev, mac_addr, &sinfo) < 0) {
3686 return genlmsg_reply(msg, info);
3689 int cfg80211_check_station_change(struct wiphy *wiphy,
3690 struct station_parameters *params,
3691 enum cfg80211_station_type statype)
3693 if (params->listen_interval != -1)
3698 /* When you run into this, adjust the code below for the new flag */
3699 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
3702 case CFG80211_STA_MESH_PEER_KERNEL:
3703 case CFG80211_STA_MESH_PEER_USER:
3705 * No ignoring the TDLS flag here -- the userspace mesh
3706 * code doesn't have the bug of including TDLS in the
3709 if (params->sta_flags_mask &
3710 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3711 BIT(NL80211_STA_FLAG_MFP) |
3712 BIT(NL80211_STA_FLAG_AUTHORIZED)))
3715 case CFG80211_STA_TDLS_PEER_SETUP:
3716 case CFG80211_STA_TDLS_PEER_ACTIVE:
3717 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3719 /* ignore since it can't change */
3720 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3723 /* disallow mesh-specific things */
3724 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3726 if (params->local_pm)
3728 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3732 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
3733 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
3734 /* TDLS can't be set, ... */
3735 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
3738 * ... but don't bother the driver with it. This works around
3739 * a hostapd/wpa_supplicant issue -- it always includes the
3740 * TLDS_PEER flag in the mask even for AP mode.
3742 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
3745 if (statype != CFG80211_STA_TDLS_PEER_SETUP) {
3746 /* reject other things that can't change */
3747 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
3749 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
3751 if (params->supported_rates)
3753 if (params->ext_capab || params->ht_capa || params->vht_capa)
3757 if (statype != CFG80211_STA_AP_CLIENT) {
3763 case CFG80211_STA_AP_MLME_CLIENT:
3764 /* Use this only for authorizing/unauthorizing a station */
3765 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
3768 case CFG80211_STA_AP_CLIENT:
3769 /* accept only the listed bits */
3770 if (params->sta_flags_mask &
3771 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3772 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3773 BIT(NL80211_STA_FLAG_ASSOCIATED) |
3774 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
3775 BIT(NL80211_STA_FLAG_WME) |
3776 BIT(NL80211_STA_FLAG_MFP)))
3779 /* but authenticated/associated only if driver handles it */
3780 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
3781 params->sta_flags_mask &
3782 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
3783 BIT(NL80211_STA_FLAG_ASSOCIATED)))
3786 case CFG80211_STA_IBSS:
3787 case CFG80211_STA_AP_STA:
3788 /* reject any changes other than AUTHORIZED */
3789 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
3792 case CFG80211_STA_TDLS_PEER_SETUP:
3793 /* reject any changes other than AUTHORIZED or WME */
3794 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
3795 BIT(NL80211_STA_FLAG_WME)))
3797 /* force (at least) rates when authorizing */
3798 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
3799 !params->supported_rates)
3802 case CFG80211_STA_TDLS_PEER_ACTIVE:
3803 /* reject any changes */
3805 case CFG80211_STA_MESH_PEER_KERNEL:
3806 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
3809 case CFG80211_STA_MESH_PEER_USER:
3810 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
3817 EXPORT_SYMBOL(cfg80211_check_station_change);
3820 * Get vlan interface making sure it is running and on the right wiphy.
3822 static struct net_device *get_vlan(struct genl_info *info,
3823 struct cfg80211_registered_device *rdev)
3825 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
3826 struct net_device *v;
3832 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
3834 return ERR_PTR(-ENODEV);
3836 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
3841 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
3842 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3843 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
3848 if (!netif_running(v)) {
3856 return ERR_PTR(ret);
3859 static struct nla_policy
3860 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
3861 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
3862 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
3865 static int nl80211_parse_sta_wme(struct genl_info *info,
3866 struct station_parameters *params)
3868 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
3872 /* parse WME attributes if present */
3873 if (!info->attrs[NL80211_ATTR_STA_WME])
3876 nla = info->attrs[NL80211_ATTR_STA_WME];
3877 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
3878 nl80211_sta_wme_policy);
3882 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
3883 params->uapsd_queues = nla_get_u8(
3884 tb[NL80211_STA_WME_UAPSD_QUEUES]);
3885 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
3888 if (tb[NL80211_STA_WME_MAX_SP])
3889 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
3891 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
3894 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
3899 static int nl80211_set_station_tdls(struct genl_info *info,
3900 struct station_parameters *params)
3902 /* Dummy STA entry gets updated once the peer capabilities are known */
3903 if (info->attrs[NL80211_ATTR_PEER_AID])
3904 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
3905 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
3907 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
3908 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
3910 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
3912 return nl80211_parse_sta_wme(info, params);
3915 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
3917 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3918 struct net_device *dev = info->user_ptr[1];
3919 struct station_parameters params;
3923 memset(¶ms, 0, sizeof(params));
3925 params.listen_interval = -1;
3927 if (!rdev->ops->change_station)
3930 if (info->attrs[NL80211_ATTR_STA_AID])
3933 if (!info->attrs[NL80211_ATTR_MAC])
3936 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3938 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
3939 params.supported_rates =
3940 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3941 params.supported_rates_len =
3942 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
3945 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
3947 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
3948 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
3951 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
3953 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3954 params.ext_capab_len =
3955 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
3958 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
3961 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
3964 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
3965 params.plink_action =
3966 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
3967 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
3971 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
3972 params.plink_state =
3973 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
3974 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
3976 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
3979 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
3980 enum nl80211_mesh_power_mode pm = nla_get_u32(
3981 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
3983 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
3984 pm > NL80211_MESH_POWER_MAX)
3987 params.local_pm = pm;
3990 /* Include parameters for TDLS peer (will check later) */
3991 err = nl80211_set_station_tdls(info, ¶ms);
3995 params.vlan = get_vlan(info, rdev);
3996 if (IS_ERR(params.vlan))
3997 return PTR_ERR(params.vlan);
3999 switch (dev->ieee80211_ptr->iftype) {
4000 case NL80211_IFTYPE_AP:
4001 case NL80211_IFTYPE_AP_VLAN:
4002 case NL80211_IFTYPE_P2P_GO:
4003 case NL80211_IFTYPE_P2P_CLIENT:
4004 case NL80211_IFTYPE_STATION:
4005 case NL80211_IFTYPE_ADHOC:
4006 case NL80211_IFTYPE_MESH_POINT:
4013 /* driver will call cfg80211_check_station_change() */
4014 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4018 dev_put(params.vlan);
4023 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4025 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4027 struct net_device *dev = info->user_ptr[1];
4028 struct station_parameters params;
4029 u8 *mac_addr = NULL;
4031 memset(¶ms, 0, sizeof(params));
4033 if (!rdev->ops->add_station)
4036 if (!info->attrs[NL80211_ATTR_MAC])
4039 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4042 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4045 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4046 !info->attrs[NL80211_ATTR_PEER_AID])
4049 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4050 params.supported_rates =
4051 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4052 params.supported_rates_len =
4053 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4054 params.listen_interval =
4055 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4057 if (info->attrs[NL80211_ATTR_PEER_AID])
4058 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4060 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4061 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4064 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4066 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4067 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4070 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4072 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4073 params.ext_capab_len =
4074 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4077 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4079 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4081 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4083 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4085 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4086 params.plink_action =
4087 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4088 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4092 err = nl80211_parse_sta_wme(info, ¶ms);
4096 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4099 /* When you run into this, adjust the code below for the new flag */
4100 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4102 switch (dev->ieee80211_ptr->iftype) {
4103 case NL80211_IFTYPE_AP:
4104 case NL80211_IFTYPE_AP_VLAN:
4105 case NL80211_IFTYPE_P2P_GO:
4106 /* ignore WME attributes if iface/sta is not capable */
4107 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
4108 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
4109 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4111 /* TDLS peers cannot be added */
4112 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4113 info->attrs[NL80211_ATTR_PEER_AID])
4115 /* but don't bother the driver with it */
4116 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4118 /* allow authenticated/associated only if driver handles it */
4119 if (!(rdev->wiphy.features &
4120 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4121 params.sta_flags_mask &
4122 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4123 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4126 /* must be last in here for error handling */
4127 params.vlan = get_vlan(info, rdev);
4128 if (IS_ERR(params.vlan))
4129 return PTR_ERR(params.vlan);
4131 case NL80211_IFTYPE_MESH_POINT:
4132 /* ignore uAPSD data */
4133 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4135 /* associated is disallowed */
4136 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
4138 /* TDLS peers cannot be added */
4139 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
4140 info->attrs[NL80211_ATTR_PEER_AID])
4143 case NL80211_IFTYPE_STATION:
4144 case NL80211_IFTYPE_P2P_CLIENT:
4145 /* ignore uAPSD data */
4146 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
4148 /* these are disallowed */
4149 if (params.sta_flags_mask &
4150 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
4151 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
4153 /* Only TDLS peers can be added */
4154 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4156 /* Can only add if TDLS ... */
4157 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
4159 /* ... with external setup is supported */
4160 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
4163 * Older wpa_supplicant versions always mark the TDLS peer
4164 * as authorized, but it shouldn't yet be.
4166 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
4172 /* be aware of params.vlan when changing code here */
4174 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
4177 dev_put(params.vlan);
4181 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
4183 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4184 struct net_device *dev = info->user_ptr[1];
4185 u8 *mac_addr = NULL;
4187 if (info->attrs[NL80211_ATTR_MAC])
4188 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4190 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4191 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4192 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
4193 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4196 if (!rdev->ops->del_station)
4199 return rdev_del_station(rdev, dev, mac_addr);
4202 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
4203 int flags, struct net_device *dev,
4204 u8 *dst, u8 *next_hop,
4205 struct mpath_info *pinfo)
4208 struct nlattr *pinfoattr;
4210 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
4214 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4215 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
4216 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
4217 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
4218 goto nla_put_failure;
4220 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
4222 goto nla_put_failure;
4223 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
4224 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
4226 goto nla_put_failure;
4227 if (((pinfo->filled & MPATH_INFO_SN) &&
4228 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
4229 ((pinfo->filled & MPATH_INFO_METRIC) &&
4230 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
4232 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
4233 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
4235 ((pinfo->filled & MPATH_INFO_FLAGS) &&
4236 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
4238 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
4239 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
4240 pinfo->discovery_timeout)) ||
4241 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
4242 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
4243 pinfo->discovery_retries)))
4244 goto nla_put_failure;
4246 nla_nest_end(msg, pinfoattr);
4248 return genlmsg_end(msg, hdr);
4251 genlmsg_cancel(msg, hdr);
4255 static int nl80211_dump_mpath(struct sk_buff *skb,
4256 struct netlink_callback *cb)
4258 struct mpath_info pinfo;
4259 struct cfg80211_registered_device *dev;
4260 struct wireless_dev *wdev;
4262 u8 next_hop[ETH_ALEN];
4263 int path_idx = cb->args[2];
4266 err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
4270 if (!dev->ops->dump_mpath) {
4275 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
4281 err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst,
4288 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
4289 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4290 wdev->netdev, dst, next_hop,
4299 cb->args[2] = path_idx;
4302 nl80211_finish_wdev_dump(dev);
4306 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
4308 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4310 struct net_device *dev = info->user_ptr[1];
4311 struct mpath_info pinfo;
4312 struct sk_buff *msg;
4314 u8 next_hop[ETH_ALEN];
4316 memset(&pinfo, 0, sizeof(pinfo));
4318 if (!info->attrs[NL80211_ATTR_MAC])
4321 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4323 if (!rdev->ops->get_mpath)
4326 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4329 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
4333 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4337 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
4338 dev, dst, next_hop, &pinfo) < 0) {
4343 return genlmsg_reply(msg, info);
4346 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
4348 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4349 struct net_device *dev = info->user_ptr[1];
4351 u8 *next_hop = NULL;
4353 if (!info->attrs[NL80211_ATTR_MAC])
4356 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4359 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4360 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4362 if (!rdev->ops->change_mpath)
4365 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4368 return rdev_change_mpath(rdev, dev, dst, next_hop);
4371 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
4373 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4374 struct net_device *dev = info->user_ptr[1];
4376 u8 *next_hop = NULL;
4378 if (!info->attrs[NL80211_ATTR_MAC])
4381 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
4384 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4385 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
4387 if (!rdev->ops->add_mpath)
4390 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
4393 return rdev_add_mpath(rdev, dev, dst, next_hop);
4396 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
4398 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4399 struct net_device *dev = info->user_ptr[1];
4402 if (info->attrs[NL80211_ATTR_MAC])
4403 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
4405 if (!rdev->ops->del_mpath)
4408 return rdev_del_mpath(rdev, dev, dst);
4411 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
4413 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4414 struct net_device *dev = info->user_ptr[1];
4415 struct bss_parameters params;
4417 memset(¶ms, 0, sizeof(params));
4418 /* default to not changing parameters */
4419 params.use_cts_prot = -1;
4420 params.use_short_preamble = -1;
4421 params.use_short_slot_time = -1;
4422 params.ap_isolate = -1;
4423 params.ht_opmode = -1;
4424 params.p2p_ctwindow = -1;
4425 params.p2p_opp_ps = -1;
4427 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
4428 params.use_cts_prot =
4429 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
4430 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
4431 params.use_short_preamble =
4432 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
4433 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
4434 params.use_short_slot_time =
4435 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
4436 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
4437 params.basic_rates =
4438 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4439 params.basic_rates_len =
4440 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
4442 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
4443 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
4444 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
4446 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
4448 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
4449 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4451 params.p2p_ctwindow =
4452 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
4453 if (params.p2p_ctwindow < 0)
4455 if (params.p2p_ctwindow != 0 &&
4456 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
4460 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
4463 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4465 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
4468 params.p2p_opp_ps = tmp;
4469 if (params.p2p_opp_ps &&
4470 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
4474 if (!rdev->ops->change_bss)
4477 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4478 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4481 return rdev_change_bss(rdev, dev, ¶ms);
4484 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
4485 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
4486 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
4487 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
4488 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
4489 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
4490 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
4493 static int parse_reg_rule(struct nlattr *tb[],
4494 struct ieee80211_reg_rule *reg_rule)
4496 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
4497 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
4499 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
4501 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
4503 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
4505 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
4507 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
4510 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
4512 freq_range->start_freq_khz =
4513 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
4514 freq_range->end_freq_khz =
4515 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
4516 freq_range->max_bandwidth_khz =
4517 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
4519 power_rule->max_eirp =
4520 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
4522 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
4523 power_rule->max_antenna_gain =
4524 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
4529 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
4533 enum nl80211_user_reg_hint_type user_reg_hint_type;
4536 * You should only get this when cfg80211 hasn't yet initialized
4537 * completely when built-in to the kernel right between the time
4538 * window between nl80211_init() and regulatory_init(), if that is
4541 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
4542 return -EINPROGRESS;
4544 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
4547 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
4549 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
4550 user_reg_hint_type =
4551 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
4553 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
4555 switch (user_reg_hint_type) {
4556 case NL80211_USER_REG_HINT_USER:
4557 case NL80211_USER_REG_HINT_CELL_BASE:
4563 r = regulatory_hint_user(data, user_reg_hint_type);
4568 static int nl80211_get_mesh_config(struct sk_buff *skb,
4569 struct genl_info *info)
4571 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4572 struct net_device *dev = info->user_ptr[1];
4573 struct wireless_dev *wdev = dev->ieee80211_ptr;
4574 struct mesh_config cur_params;
4577 struct nlattr *pinfoattr;
4578 struct sk_buff *msg;
4580 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4583 if (!rdev->ops->get_mesh_config)
4587 /* If not connected, get default parameters */
4588 if (!wdev->mesh_id_len)
4589 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
4591 err = rdev_get_mesh_config(rdev, dev, &cur_params);
4597 /* Draw up a netlink message to send back */
4598 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4601 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4602 NL80211_CMD_GET_MESH_CONFIG);
4605 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
4607 goto nla_put_failure;
4608 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4609 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
4610 cur_params.dot11MeshRetryTimeout) ||
4611 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4612 cur_params.dot11MeshConfirmTimeout) ||
4613 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
4614 cur_params.dot11MeshHoldingTimeout) ||
4615 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
4616 cur_params.dot11MeshMaxPeerLinks) ||
4617 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
4618 cur_params.dot11MeshMaxRetries) ||
4619 nla_put_u8(msg, NL80211_MESHCONF_TTL,
4620 cur_params.dot11MeshTTL) ||
4621 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
4622 cur_params.element_ttl) ||
4623 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4624 cur_params.auto_open_plinks) ||
4625 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4626 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
4627 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4628 cur_params.dot11MeshHWMPmaxPREQretries) ||
4629 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
4630 cur_params.path_refresh_time) ||
4631 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4632 cur_params.min_discovery_timeout) ||
4633 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4634 cur_params.dot11MeshHWMPactivePathTimeout) ||
4635 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4636 cur_params.dot11MeshHWMPpreqMinInterval) ||
4637 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4638 cur_params.dot11MeshHWMPperrMinInterval) ||
4639 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4640 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
4641 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
4642 cur_params.dot11MeshHWMPRootMode) ||
4643 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4644 cur_params.dot11MeshHWMPRannInterval) ||
4645 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4646 cur_params.dot11MeshGateAnnouncementProtocol) ||
4647 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
4648 cur_params.dot11MeshForwarding) ||
4649 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
4650 cur_params.rssi_threshold) ||
4651 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
4652 cur_params.ht_opmode) ||
4653 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4654 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
4655 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4656 cur_params.dot11MeshHWMProotInterval) ||
4657 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4658 cur_params.dot11MeshHWMPconfirmationInterval) ||
4659 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
4660 cur_params.power_mode) ||
4661 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
4662 cur_params.dot11MeshAwakeWindowDuration) ||
4663 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
4664 cur_params.plink_timeout))
4665 goto nla_put_failure;
4666 nla_nest_end(msg, pinfoattr);
4667 genlmsg_end(msg, hdr);
4668 return genlmsg_reply(msg, info);
4671 genlmsg_cancel(msg, hdr);
4677 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
4678 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
4679 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
4680 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
4681 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
4682 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
4683 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
4684 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
4685 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
4686 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
4687 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
4688 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
4689 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
4690 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
4691 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
4692 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
4693 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
4694 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
4695 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
4696 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
4697 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
4698 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
4699 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
4700 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
4701 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
4702 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
4703 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
4704 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
4705 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
4708 static const struct nla_policy
4709 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
4710 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
4711 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
4712 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
4713 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
4714 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
4715 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
4716 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
4717 .len = IEEE80211_MAX_DATA_LEN },
4718 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
4721 static int nl80211_parse_mesh_config(struct genl_info *info,
4722 struct mesh_config *cfg,
4725 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
4728 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4731 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4733 cfg->param = fn(tb[attr]); \
4734 mask |= (1 << (attr - 1)); \
4739 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
4741 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
4742 info->attrs[NL80211_ATTR_MESH_CONFIG],
4743 nl80211_meshconf_params_policy))
4746 /* This makes sure that there aren't more than 32 mesh config
4747 * parameters (otherwise our bitfield scheme would not work.) */
4748 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
4750 /* Fill in the params struct */
4751 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
4752 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
4754 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
4755 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
4757 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
4758 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
4760 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
4761 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
4763 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
4764 mask, NL80211_MESHCONF_MAX_RETRIES,
4766 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
4767 mask, NL80211_MESHCONF_TTL, nla_get_u8);
4768 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
4769 mask, NL80211_MESHCONF_ELEMENT_TTL,
4771 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
4772 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
4774 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
4776 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
4778 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
4779 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
4781 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
4782 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
4784 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
4785 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
4787 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
4789 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
4791 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
4793 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
4795 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
4797 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
4799 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4800 dot11MeshHWMPnetDiameterTraversalTime,
4802 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
4804 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
4805 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
4807 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
4808 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
4810 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4811 dot11MeshGateAnnouncementProtocol, 0, 1,
4812 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
4814 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
4815 mask, NL80211_MESHCONF_FORWARDING,
4817 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
4818 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
4820 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
4821 mask, NL80211_MESHCONF_HT_OPMODE,
4823 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
4825 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
4827 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
4828 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
4830 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
4831 dot11MeshHWMPconfirmationInterval,
4833 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
4835 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
4836 NL80211_MESH_POWER_ACTIVE,
4837 NL80211_MESH_POWER_MAX,
4838 mask, NL80211_MESHCONF_POWER_MODE,
4840 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
4842 NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16);
4843 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 1, 0xffffffff,
4844 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
4851 #undef FILL_IN_MESH_PARAM_IF_SET
4854 static int nl80211_parse_mesh_setup(struct genl_info *info,
4855 struct mesh_setup *setup)
4857 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4858 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
4860 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
4862 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
4863 info->attrs[NL80211_ATTR_MESH_SETUP],
4864 nl80211_mesh_setup_params_policy))
4867 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
4868 setup->sync_method =
4869 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
4870 IEEE80211_SYNC_METHOD_VENDOR :
4871 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
4873 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
4874 setup->path_sel_proto =
4875 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
4876 IEEE80211_PATH_PROTOCOL_VENDOR :
4877 IEEE80211_PATH_PROTOCOL_HWMP;
4879 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
4880 setup->path_metric =
4881 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
4882 IEEE80211_PATH_METRIC_VENDOR :
4883 IEEE80211_PATH_METRIC_AIRTIME;
4886 if (tb[NL80211_MESH_SETUP_IE]) {
4887 struct nlattr *ieattr =
4888 tb[NL80211_MESH_SETUP_IE];
4889 if (!is_valid_ie_attr(ieattr))
4891 setup->ie = nla_data(ieattr);
4892 setup->ie_len = nla_len(ieattr);
4894 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
4895 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
4897 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
4898 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
4899 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
4900 if (setup->is_secure)
4901 setup->user_mpm = true;
4903 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
4904 if (!setup->user_mpm)
4907 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
4913 static int nl80211_update_mesh_config(struct sk_buff *skb,
4914 struct genl_info *info)
4916 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4917 struct net_device *dev = info->user_ptr[1];
4918 struct wireless_dev *wdev = dev->ieee80211_ptr;
4919 struct mesh_config cfg;
4923 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
4926 if (!rdev->ops->update_mesh_config)
4929 err = nl80211_parse_mesh_config(info, &cfg, &mask);
4934 if (!wdev->mesh_id_len)
4938 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
4945 static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
4947 const struct ieee80211_regdomain *regdom;
4948 struct sk_buff *msg;
4950 struct nlattr *nl_reg_rules;
4953 if (!cfg80211_regdomain)
4956 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4960 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
4961 NL80211_CMD_GET_REG);
4965 if (reg_last_request_cell_base() &&
4966 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
4967 NL80211_USER_REG_HINT_CELL_BASE))
4968 goto nla_put_failure;
4971 regdom = rcu_dereference(cfg80211_regdomain);
4973 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
4974 (regdom->dfs_region &&
4975 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
4976 goto nla_put_failure_rcu;
4978 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
4980 goto nla_put_failure_rcu;
4982 for (i = 0; i < regdom->n_reg_rules; i++) {
4983 struct nlattr *nl_reg_rule;
4984 const struct ieee80211_reg_rule *reg_rule;
4985 const struct ieee80211_freq_range *freq_range;
4986 const struct ieee80211_power_rule *power_rule;
4988 reg_rule = ®dom->reg_rules[i];
4989 freq_range = ®_rule->freq_range;
4990 power_rule = ®_rule->power_rule;
4992 nl_reg_rule = nla_nest_start(msg, i);
4994 goto nla_put_failure_rcu;
4996 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
4998 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
4999 freq_range->start_freq_khz) ||
5000 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
5001 freq_range->end_freq_khz) ||
5002 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
5003 freq_range->max_bandwidth_khz) ||
5004 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
5005 power_rule->max_antenna_gain) ||
5006 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
5007 power_rule->max_eirp))
5008 goto nla_put_failure_rcu;
5010 nla_nest_end(msg, nl_reg_rule);
5014 nla_nest_end(msg, nl_reg_rules);
5016 genlmsg_end(msg, hdr);
5017 return genlmsg_reply(msg, info);
5019 nla_put_failure_rcu:
5022 genlmsg_cancel(msg, hdr);
5028 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
5030 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
5031 struct nlattr *nl_reg_rule;
5032 char *alpha2 = NULL;
5033 int rem_reg_rules = 0, r = 0;
5034 u32 num_rules = 0, rule_idx = 0, size_of_regd;
5036 struct ieee80211_regdomain *rd = NULL;
5038 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5041 if (!info->attrs[NL80211_ATTR_REG_RULES])
5044 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5046 if (info->attrs[NL80211_ATTR_DFS_REGION])
5047 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
5049 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5052 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
5056 size_of_regd = sizeof(struct ieee80211_regdomain) +
5057 num_rules * sizeof(struct ieee80211_reg_rule);
5059 rd = kzalloc(size_of_regd, GFP_KERNEL);
5063 rd->n_reg_rules = num_rules;
5064 rd->alpha2[0] = alpha2[0];
5065 rd->alpha2[1] = alpha2[1];
5068 * Disable DFS master mode if the DFS region was
5069 * not supported or known on this kernel.
5071 if (reg_supported_dfs_region(dfs_region))
5072 rd->dfs_region = dfs_region;
5074 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
5076 nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
5077 nla_data(nl_reg_rule), nla_len(nl_reg_rule),
5079 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
5085 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
5092 /* set_regdom took ownership */
5100 static int validate_scan_freqs(struct nlattr *freqs)
5102 struct nlattr *attr1, *attr2;
5103 int n_channels = 0, tmp1, tmp2;
5105 nla_for_each_nested(attr1, freqs, tmp1) {
5108 * Some hardware has a limited channel list for
5109 * scanning, and it is pretty much nonsensical
5110 * to scan for a channel twice, so disallow that
5111 * and don't require drivers to check that the
5112 * channel list they get isn't longer than what
5113 * they can scan, as long as they can scan all
5114 * the channels they registered at once.
5116 nla_for_each_nested(attr2, freqs, tmp2)
5117 if (attr1 != attr2 &&
5118 nla_get_u32(attr1) == nla_get_u32(attr2))
5125 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
5127 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5128 struct wireless_dev *wdev = info->user_ptr[1];
5129 struct cfg80211_scan_request *request;
5130 struct nlattr *attr;
5131 struct wiphy *wiphy;
5132 int err, tmp, n_ssids = 0, n_channels, i;
5135 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5138 wiphy = &rdev->wiphy;
5140 if (!rdev->ops->scan)
5143 if (rdev->scan_req) {
5148 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5149 n_channels = validate_scan_freqs(
5150 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5156 enum ieee80211_band band;
5159 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5160 if (wiphy->bands[band])
5161 n_channels += wiphy->bands[band]->n_channels;
5164 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5165 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
5168 if (n_ssids > wiphy->max_scan_ssids) {
5173 if (info->attrs[NL80211_ATTR_IE])
5174 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5178 if (ie_len > wiphy->max_scan_ie_len) {
5183 request = kzalloc(sizeof(*request)
5184 + sizeof(*request->ssids) * n_ssids
5185 + sizeof(*request->channels) * n_channels
5186 + ie_len, GFP_KERNEL);
5193 request->ssids = (void *)&request->channels[n_channels];
5194 request->n_ssids = n_ssids;
5197 request->ie = (void *)(request->ssids + n_ssids);
5199 request->ie = (void *)(request->channels + n_channels);
5203 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5204 /* user specified, bail out if channel not found */
5205 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
5206 struct ieee80211_channel *chan;
5208 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5215 /* ignore disabled channels */
5216 if (chan->flags & IEEE80211_CHAN_DISABLED)
5219 request->channels[i] = chan;
5223 enum ieee80211_band band;
5226 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5228 if (!wiphy->bands[band])
5230 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5231 struct ieee80211_channel *chan;
5233 chan = &wiphy->bands[band]->channels[j];
5235 if (chan->flags & IEEE80211_CHAN_DISABLED)
5238 request->channels[i] = chan;
5249 request->n_channels = i;
5252 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5253 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
5254 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5258 request->ssids[i].ssid_len = nla_len(attr);
5259 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
5264 if (info->attrs[NL80211_ATTR_IE]) {
5265 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5266 memcpy((void *)request->ie,
5267 nla_data(info->attrs[NL80211_ATTR_IE]),
5271 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
5272 if (wiphy->bands[i])
5274 (1 << wiphy->bands[i]->n_bitrates) - 1;
5276 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
5277 nla_for_each_nested(attr,
5278 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
5280 enum ieee80211_band band = nla_type(attr);
5282 if (band < 0 || band >= IEEE80211_NUM_BANDS) {
5286 err = ieee80211_get_ratemask(wiphy->bands[band],
5289 &request->rates[band]);
5295 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5296 request->flags = nla_get_u32(
5297 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5298 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5299 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5300 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5301 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5308 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
5310 request->wdev = wdev;
5311 request->wiphy = &rdev->wiphy;
5312 request->scan_start = jiffies;
5314 rdev->scan_req = request;
5315 err = rdev_scan(rdev, request);
5318 nl80211_send_scan_start(rdev, wdev);
5320 dev_hold(wdev->netdev);
5323 rdev->scan_req = NULL;
5331 static int nl80211_start_sched_scan(struct sk_buff *skb,
5332 struct genl_info *info)
5334 struct cfg80211_sched_scan_request *request;
5335 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5336 struct net_device *dev = info->user_ptr[1];
5337 struct nlattr *attr;
5338 struct wiphy *wiphy;
5339 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i;
5341 enum ieee80211_band band;
5343 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
5345 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5346 !rdev->ops->sched_scan_start)
5349 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
5352 if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
5355 interval = nla_get_u32(info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
5359 wiphy = &rdev->wiphy;
5361 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5362 n_channels = validate_scan_freqs(
5363 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
5369 for (band = 0; band < IEEE80211_NUM_BANDS; band++)
5370 if (wiphy->bands[band])
5371 n_channels += wiphy->bands[band]->n_channels;
5374 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
5375 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5379 if (n_ssids > wiphy->max_sched_scan_ssids)
5382 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
5383 nla_for_each_nested(attr,
5384 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5388 if (n_match_sets > wiphy->max_match_sets)
5391 if (info->attrs[NL80211_ATTR_IE])
5392 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5396 if (ie_len > wiphy->max_sched_scan_ie_len)
5399 if (rdev->sched_scan_req) {
5404 request = kzalloc(sizeof(*request)
5405 + sizeof(*request->ssids) * n_ssids
5406 + sizeof(*request->match_sets) * n_match_sets
5407 + sizeof(*request->channels) * n_channels
5408 + ie_len, GFP_KERNEL);
5415 request->ssids = (void *)&request->channels[n_channels];
5416 request->n_ssids = n_ssids;
5419 request->ie = (void *)(request->ssids + n_ssids);
5421 request->ie = (void *)(request->channels + n_channels);
5426 request->match_sets = (void *)(request->ie + ie_len);
5427 else if (request->ssids)
5428 request->match_sets =
5429 (void *)(request->ssids + n_ssids);
5431 request->match_sets =
5432 (void *)(request->channels + n_channels);
5434 request->n_match_sets = n_match_sets;
5437 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
5438 /* user specified, bail out if channel not found */
5439 nla_for_each_nested(attr,
5440 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES],
5442 struct ieee80211_channel *chan;
5444 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
5451 /* ignore disabled channels */
5452 if (chan->flags & IEEE80211_CHAN_DISABLED)
5455 request->channels[i] = chan;
5460 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
5462 if (!wiphy->bands[band])
5464 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
5465 struct ieee80211_channel *chan;
5467 chan = &wiphy->bands[band]->channels[j];
5469 if (chan->flags & IEEE80211_CHAN_DISABLED)
5472 request->channels[i] = chan;
5483 request->n_channels = i;
5486 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
5487 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
5489 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
5493 request->ssids[i].ssid_len = nla_len(attr);
5494 memcpy(request->ssids[i].ssid, nla_data(attr),
5501 if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
5502 nla_for_each_nested(attr,
5503 info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
5505 struct nlattr *ssid, *rssi;
5507 nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
5508 nla_data(attr), nla_len(attr),
5509 nl80211_match_policy);
5510 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
5512 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
5516 memcpy(request->match_sets[i].ssid.ssid,
5517 nla_data(ssid), nla_len(ssid));
5518 request->match_sets[i].ssid.ssid_len =
5521 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
5523 request->rssi_thold = nla_get_u32(rssi);
5525 request->rssi_thold =
5526 NL80211_SCAN_RSSI_THOLD_OFF;
5531 if (info->attrs[NL80211_ATTR_IE]) {
5532 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
5533 memcpy((void *)request->ie,
5534 nla_data(info->attrs[NL80211_ATTR_IE]),
5538 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
5539 request->flags = nla_get_u32(
5540 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
5541 if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
5542 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) ||
5543 ((request->flags & NL80211_SCAN_FLAG_FLUSH) &&
5544 !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) {
5551 request->wiphy = &rdev->wiphy;
5552 request->interval = interval;
5553 request->scan_start = jiffies;
5555 err = rdev_sched_scan_start(rdev, dev, request);
5557 rdev->sched_scan_req = request;
5558 nl80211_send_sched_scan(rdev, dev,
5559 NL80211_CMD_START_SCHED_SCAN);
5569 static int nl80211_stop_sched_scan(struct sk_buff *skb,
5570 struct genl_info *info)
5572 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5574 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
5575 !rdev->ops->sched_scan_stop)
5578 return __cfg80211_stop_sched_scan(rdev, false);
5581 static int nl80211_start_radar_detection(struct sk_buff *skb,
5582 struct genl_info *info)
5584 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5585 struct net_device *dev = info->user_ptr[1];
5586 struct wireless_dev *wdev = dev->ieee80211_ptr;
5587 struct cfg80211_chan_def chandef;
5590 err = nl80211_parse_chandef(rdev, info, &chandef);
5594 if (wdev->cac_started)
5597 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef);
5604 if (chandef.chan->dfs_state != NL80211_DFS_USABLE)
5607 if (!rdev->ops->start_radar_detection)
5610 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5611 chandef.chan, CHAN_MODE_SHARED,
5612 BIT(chandef.width));
5616 err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
5618 wdev->channel = chandef.chan;
5619 wdev->cac_started = true;
5620 wdev->cac_start_time = jiffies;
5625 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
5627 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5628 struct net_device *dev = info->user_ptr[1];
5629 struct wireless_dev *wdev = dev->ieee80211_ptr;
5630 struct cfg80211_csa_settings params;
5631 /* csa_attrs is defined static to avoid waste of stack size - this
5632 * function is called under RTNL lock, so this should not be a problem.
5634 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
5635 u8 radar_detect_width = 0;
5637 bool need_new_beacon = false;
5639 if (!rdev->ops->channel_switch ||
5640 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
5643 switch (dev->ieee80211_ptr->iftype) {
5644 case NL80211_IFTYPE_AP:
5645 case NL80211_IFTYPE_P2P_GO:
5646 need_new_beacon = true;
5648 /* useless if AP is not running */
5649 if (!wdev->beacon_interval)
5652 case NL80211_IFTYPE_ADHOC:
5658 memset(¶ms, 0, sizeof(params));
5660 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
5661 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
5664 /* only important for AP, IBSS and mesh create IEs internally */
5665 if (need_new_beacon &&
5666 (!info->attrs[NL80211_ATTR_CSA_IES] ||
5667 !info->attrs[NL80211_ATTR_CSA_C_OFF_BEACON]))
5670 params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
5672 if (!need_new_beacon)
5675 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
5679 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
5680 info->attrs[NL80211_ATTR_CSA_IES],
5685 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
5689 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
5692 params.counter_offset_beacon =
5693 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
5694 if (params.counter_offset_beacon >= params.beacon_csa.tail_len)
5697 /* sanity check - counters should be the same */
5698 if (params.beacon_csa.tail[params.counter_offset_beacon] !=
5702 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
5703 params.counter_offset_presp =
5704 nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
5705 if (params.counter_offset_presp >=
5706 params.beacon_csa.probe_resp_len)
5709 if (params.beacon_csa.probe_resp[params.counter_offset_presp] !=
5715 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
5719 if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef))
5722 /* DFS channels are only supported for AP/P2P GO ... for now. */
5723 if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
5724 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
5725 err = cfg80211_chandef_dfs_required(wdev->wiphy,
5730 radar_detect_width = BIT(params.chandef.width);
5731 params.radar_required = true;
5735 err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
5736 params.chandef.chan,
5738 radar_detect_width);
5742 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
5743 params.block_tx = true;
5745 return rdev_channel_switch(rdev, dev, ¶ms);
5748 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
5750 struct cfg80211_registered_device *rdev,
5751 struct wireless_dev *wdev,
5752 struct cfg80211_internal_bss *intbss)
5754 struct cfg80211_bss *res = &intbss->pub;
5755 const struct cfg80211_bss_ies *ies;
5760 ASSERT_WDEV_LOCK(wdev);
5762 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
5763 NL80211_CMD_NEW_SCAN_RESULTS);
5767 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
5769 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
5770 goto nla_put_failure;
5772 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
5773 goto nla_put_failure;
5774 if (nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
5775 goto nla_put_failure;
5777 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
5779 goto nla_put_failure;
5780 if ((!is_zero_ether_addr(res->bssid) &&
5781 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
5782 goto nla_put_failure;
5785 ies = rcu_dereference(res->ies);
5787 if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5788 goto fail_unlock_rcu;
5790 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
5791 ies->len, ies->data))
5792 goto fail_unlock_rcu;
5794 ies = rcu_dereference(res->beacon_ies);
5796 if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf))
5797 goto fail_unlock_rcu;
5798 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
5799 ies->len, ies->data))
5800 goto fail_unlock_rcu;
5804 if (res->beacon_interval &&
5805 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
5806 goto nla_put_failure;
5807 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
5808 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
5809 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
5810 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
5811 jiffies_to_msecs(jiffies - intbss->ts)))
5812 goto nla_put_failure;
5814 switch (rdev->wiphy.signal_type) {
5815 case CFG80211_SIGNAL_TYPE_MBM:
5816 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
5817 goto nla_put_failure;
5819 case CFG80211_SIGNAL_TYPE_UNSPEC:
5820 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
5821 goto nla_put_failure;
5827 switch (wdev->iftype) {
5828 case NL80211_IFTYPE_P2P_CLIENT:
5829 case NL80211_IFTYPE_STATION:
5830 if (intbss == wdev->current_bss &&
5831 nla_put_u32(msg, NL80211_BSS_STATUS,
5832 NL80211_BSS_STATUS_ASSOCIATED))
5833 goto nla_put_failure;
5835 case NL80211_IFTYPE_ADHOC:
5836 if (intbss == wdev->current_bss &&
5837 nla_put_u32(msg, NL80211_BSS_STATUS,
5838 NL80211_BSS_STATUS_IBSS_JOINED))
5839 goto nla_put_failure;
5845 nla_nest_end(msg, bss);
5847 return genlmsg_end(msg, hdr);
5852 genlmsg_cancel(msg, hdr);
5856 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
5858 struct cfg80211_registered_device *rdev;
5859 struct cfg80211_internal_bss *scan;
5860 struct wireless_dev *wdev;
5861 int start = cb->args[2], idx = 0;
5864 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5869 spin_lock_bh(&rdev->bss_lock);
5870 cfg80211_bss_expire(rdev);
5872 cb->seq = rdev->bss_generation;
5874 list_for_each_entry(scan, &rdev->bss_list, list) {
5877 if (nl80211_send_bss(skb, cb,
5878 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5879 rdev, wdev, scan) < 0) {
5885 spin_unlock_bh(&rdev->bss_lock);
5889 nl80211_finish_wdev_dump(rdev);
5894 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
5895 int flags, struct net_device *dev,
5896 struct survey_info *survey)
5899 struct nlattr *infoattr;
5901 hdr = nl80211hdr_put(msg, portid, seq, flags,
5902 NL80211_CMD_NEW_SURVEY_RESULTS);
5906 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
5907 goto nla_put_failure;
5909 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
5911 goto nla_put_failure;
5913 if (nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
5914 survey->channel->center_freq))
5915 goto nla_put_failure;
5917 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
5918 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
5919 goto nla_put_failure;
5920 if ((survey->filled & SURVEY_INFO_IN_USE) &&
5921 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
5922 goto nla_put_failure;
5923 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME) &&
5924 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME,
5925 survey->channel_time))
5926 goto nla_put_failure;
5927 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_BUSY) &&
5928 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY,
5929 survey->channel_time_busy))
5930 goto nla_put_failure;
5931 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) &&
5932 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY,
5933 survey->channel_time_ext_busy))
5934 goto nla_put_failure;
5935 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_RX) &&
5936 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_RX,
5937 survey->channel_time_rx))
5938 goto nla_put_failure;
5939 if ((survey->filled & SURVEY_INFO_CHANNEL_TIME_TX) &&
5940 nla_put_u64(msg, NL80211_SURVEY_INFO_CHANNEL_TIME_TX,
5941 survey->channel_time_tx))
5942 goto nla_put_failure;
5944 nla_nest_end(msg, infoattr);
5946 return genlmsg_end(msg, hdr);
5949 genlmsg_cancel(msg, hdr);
5953 static int nl80211_dump_survey(struct sk_buff *skb,
5954 struct netlink_callback *cb)
5956 struct survey_info survey;
5957 struct cfg80211_registered_device *dev;
5958 struct wireless_dev *wdev;
5959 int survey_idx = cb->args[2];
5962 res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev);
5966 if (!wdev->netdev) {
5971 if (!dev->ops->dump_survey) {
5977 struct ieee80211_channel *chan;
5979 res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey);
5985 /* Survey without a channel doesn't make sense */
5986 if (!survey.channel) {
5991 chan = ieee80211_get_channel(&dev->wiphy,
5992 survey.channel->center_freq);
5993 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
5998 if (nl80211_send_survey(skb,
5999 NETLINK_CB(cb->skb).portid,
6000 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6001 wdev->netdev, &survey) < 0)
6007 cb->args[2] = survey_idx;
6010 nl80211_finish_wdev_dump(dev);
6014 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
6016 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
6017 NL80211_WPA_VERSION_2));
6020 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
6022 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6023 struct net_device *dev = info->user_ptr[1];
6024 struct ieee80211_channel *chan;
6025 const u8 *bssid, *ssid, *ie = NULL, *sae_data = NULL;
6026 int err, ssid_len, ie_len = 0, sae_data_len = 0;
6027 enum nl80211_auth_type auth_type;
6028 struct key_parse key;
6029 bool local_state_change;
6031 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6034 if (!info->attrs[NL80211_ATTR_MAC])
6037 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
6040 if (!info->attrs[NL80211_ATTR_SSID])
6043 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
6046 err = nl80211_parse_key(info, &key);
6051 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
6053 if (!key.p.key || !key.p.key_len)
6055 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
6056 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
6057 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
6058 key.p.key_len != WLAN_KEY_LEN_WEP104))
6070 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
6071 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
6080 if (!rdev->ops->auth)
6083 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6084 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6087 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6088 chan = ieee80211_get_channel(&rdev->wiphy,
6089 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6090 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6093 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6094 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6096 if (info->attrs[NL80211_ATTR_IE]) {
6097 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6098 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6101 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6102 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
6105 if (auth_type == NL80211_AUTHTYPE_SAE &&
6106 !info->attrs[NL80211_ATTR_SAE_DATA])
6109 if (info->attrs[NL80211_ATTR_SAE_DATA]) {
6110 if (auth_type != NL80211_AUTHTYPE_SAE)
6112 sae_data = nla_data(info->attrs[NL80211_ATTR_SAE_DATA]);
6113 sae_data_len = nla_len(info->attrs[NL80211_ATTR_SAE_DATA]);
6114 /* need to include at least Auth Transaction and Status Code */
6115 if (sae_data_len < 4)
6119 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6122 * Since we no longer track auth state, ignore
6123 * requests to only change local state.
6125 if (local_state_change)
6128 wdev_lock(dev->ieee80211_ptr);
6129 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
6130 ssid, ssid_len, ie, ie_len,
6131 key.p.key, key.p.key_len, key.idx,
6132 sae_data, sae_data_len);
6133 wdev_unlock(dev->ieee80211_ptr);
6137 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
6138 struct genl_info *info,
6139 struct cfg80211_crypto_settings *settings,
6142 memset(settings, 0, sizeof(*settings));
6144 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
6146 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
6148 proto = nla_get_u16(
6149 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
6150 settings->control_port_ethertype = cpu_to_be16(proto);
6151 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
6154 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
6155 settings->control_port_no_encrypt = true;
6157 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
6159 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
6163 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6164 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
6165 settings->n_ciphers_pairwise = len / sizeof(u32);
6167 if (len % sizeof(u32))
6170 if (settings->n_ciphers_pairwise > cipher_limit)
6173 memcpy(settings->ciphers_pairwise, data, len);
6175 for (i = 0; i < settings->n_ciphers_pairwise; i++)
6176 if (!cfg80211_supported_cipher_suite(
6178 settings->ciphers_pairwise[i]))
6182 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
6183 settings->cipher_group =
6184 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
6185 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
6186 settings->cipher_group))
6190 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
6191 settings->wpa_versions =
6192 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
6193 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
6197 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
6201 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
6202 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
6203 settings->n_akm_suites = len / sizeof(u32);
6205 if (len % sizeof(u32))
6208 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
6211 memcpy(settings->akm_suites, data, len);
6217 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
6219 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6220 struct net_device *dev = info->user_ptr[1];
6221 struct ieee80211_channel *chan;
6222 struct cfg80211_assoc_request req = {};
6223 const u8 *bssid, *ssid;
6224 int err, ssid_len = 0;
6226 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6229 if (!info->attrs[NL80211_ATTR_MAC] ||
6230 !info->attrs[NL80211_ATTR_SSID] ||
6231 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
6234 if (!rdev->ops->assoc)
6237 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6238 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6241 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6243 chan = ieee80211_get_channel(&rdev->wiphy,
6244 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6245 if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
6248 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6249 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6251 if (info->attrs[NL80211_ATTR_IE]) {
6252 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6253 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6256 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6257 enum nl80211_mfp mfp =
6258 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6259 if (mfp == NL80211_MFP_REQUIRED)
6261 else if (mfp != NL80211_MFP_NO)
6265 if (info->attrs[NL80211_ATTR_PREV_BSSID])
6266 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
6268 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6269 req.flags |= ASSOC_REQ_DISABLE_HT;
6271 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6272 memcpy(&req.ht_capa_mask,
6273 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6274 sizeof(req.ht_capa_mask));
6276 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6277 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6279 memcpy(&req.ht_capa,
6280 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6281 sizeof(req.ht_capa));
6284 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6285 req.flags |= ASSOC_REQ_DISABLE_VHT;
6287 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6288 memcpy(&req.vht_capa_mask,
6289 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6290 sizeof(req.vht_capa_mask));
6292 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6293 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6295 memcpy(&req.vht_capa,
6296 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6297 sizeof(req.vht_capa));
6300 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
6302 wdev_lock(dev->ieee80211_ptr);
6303 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
6304 ssid, ssid_len, &req);
6305 wdev_unlock(dev->ieee80211_ptr);
6311 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
6313 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6314 struct net_device *dev = info->user_ptr[1];
6315 const u8 *ie = NULL, *bssid;
6316 int ie_len = 0, err;
6318 bool local_state_change;
6320 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6323 if (!info->attrs[NL80211_ATTR_MAC])
6326 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6329 if (!rdev->ops->deauth)
6332 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6333 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6336 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6338 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6339 if (reason_code == 0) {
6340 /* Reason Code 0 is reserved */
6344 if (info->attrs[NL80211_ATTR_IE]) {
6345 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6346 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6349 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6351 wdev_lock(dev->ieee80211_ptr);
6352 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
6353 local_state_change);
6354 wdev_unlock(dev->ieee80211_ptr);
6358 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
6360 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6361 struct net_device *dev = info->user_ptr[1];
6362 const u8 *ie = NULL, *bssid;
6363 int ie_len = 0, err;
6365 bool local_state_change;
6367 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6370 if (!info->attrs[NL80211_ATTR_MAC])
6373 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6376 if (!rdev->ops->disassoc)
6379 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6380 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6383 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6385 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6386 if (reason_code == 0) {
6387 /* Reason Code 0 is reserved */
6391 if (info->attrs[NL80211_ATTR_IE]) {
6392 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6393 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6396 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
6398 wdev_lock(dev->ieee80211_ptr);
6399 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
6400 local_state_change);
6401 wdev_unlock(dev->ieee80211_ptr);
6406 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
6407 int mcast_rate[IEEE80211_NUM_BANDS],
6410 struct wiphy *wiphy = &rdev->wiphy;
6414 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
6415 struct ieee80211_supported_band *sband;
6417 sband = wiphy->bands[band];
6421 for (i = 0; i < sband->n_bitrates; i++) {
6422 if (sband->bitrates[i].bitrate == rateval) {
6423 mcast_rate[band] = i + 1;
6433 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
6435 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6436 struct net_device *dev = info->user_ptr[1];
6437 struct cfg80211_ibss_params ibss;
6438 struct wiphy *wiphy;
6439 struct cfg80211_cached_keys *connkeys = NULL;
6442 memset(&ibss, 0, sizeof(ibss));
6444 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6447 if (!info->attrs[NL80211_ATTR_SSID] ||
6448 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6451 ibss.beacon_interval = 100;
6453 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
6454 ibss.beacon_interval =
6455 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
6456 if (ibss.beacon_interval < 1 || ibss.beacon_interval > 10000)
6460 if (!rdev->ops->join_ibss)
6463 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6466 wiphy = &rdev->wiphy;
6468 if (info->attrs[NL80211_ATTR_MAC]) {
6469 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6471 if (!is_valid_ether_addr(ibss.bssid))
6474 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6475 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6477 if (info->attrs[NL80211_ATTR_IE]) {
6478 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6479 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6482 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
6486 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef))
6489 switch (ibss.chandef.width) {
6490 case NL80211_CHAN_WIDTH_5:
6491 case NL80211_CHAN_WIDTH_10:
6492 case NL80211_CHAN_WIDTH_20_NOHT:
6494 case NL80211_CHAN_WIDTH_20:
6495 case NL80211_CHAN_WIDTH_40:
6496 if (rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)
6502 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
6503 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
6505 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
6507 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6509 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
6510 struct ieee80211_supported_band *sband =
6511 wiphy->bands[ibss.chandef.chan->band];
6513 err = ieee80211_get_ratemask(sband, rates, n_rates,
6519 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6520 memcpy(&ibss.ht_capa_mask,
6521 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6522 sizeof(ibss.ht_capa_mask));
6524 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6525 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6527 memcpy(&ibss.ht_capa,
6528 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6529 sizeof(ibss.ht_capa));
6532 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
6533 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
6534 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
6537 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6540 connkeys = nl80211_parse_connkeys(rdev,
6541 info->attrs[NL80211_ATTR_KEYS],
6543 if (IS_ERR(connkeys))
6544 return PTR_ERR(connkeys);
6546 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
6554 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
6556 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
6562 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
6564 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6565 struct net_device *dev = info->user_ptr[1];
6567 if (!rdev->ops->leave_ibss)
6570 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
6573 return cfg80211_leave_ibss(rdev, dev, false);
6576 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
6578 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6579 struct net_device *dev = info->user_ptr[1];
6580 int mcast_rate[IEEE80211_NUM_BANDS];
6584 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
6585 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
6588 if (!rdev->ops->set_mcast_rate)
6591 memset(mcast_rate, 0, sizeof(mcast_rate));
6593 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
6596 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
6597 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
6600 err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
6606 #ifdef CONFIG_NL80211_TESTMODE
6607 static struct genl_multicast_group nl80211_testmode_mcgrp = {
6611 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
6613 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6614 struct wireless_dev *wdev =
6615 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
6618 if (!rdev->ops->testmode_cmd)
6622 err = PTR_ERR(wdev);
6626 } else if (wdev->wiphy != &rdev->wiphy) {
6630 if (!info->attrs[NL80211_ATTR_TESTDATA])
6633 rdev->testmode_info = info;
6634 err = rdev_testmode_cmd(rdev, wdev,
6635 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
6636 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
6637 rdev->testmode_info = NULL;
6642 static int nl80211_testmode_dump(struct sk_buff *skb,
6643 struct netlink_callback *cb)
6645 struct cfg80211_registered_device *rdev;
6655 * 0 is a valid index, but not valid for args[0],
6656 * so we need to offset by 1.
6658 phy_idx = cb->args[0] - 1;
6660 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
6661 nl80211_fam.attrbuf, nl80211_fam.maxattr,
6666 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
6667 nl80211_fam.attrbuf);
6669 err = PTR_ERR(rdev);
6672 phy_idx = rdev->wiphy_idx;
6675 if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
6677 (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
6681 data = nla_data((void *)cb->args[1]);
6682 data_len = nla_len((void *)cb->args[1]);
6685 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
6691 if (!rdev->ops->testmode_dump) {
6697 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
6698 cb->nlh->nlmsg_seq, NLM_F_MULTI,
6699 NL80211_CMD_TESTMODE);
6700 struct nlattr *tmdata;
6705 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
6706 genlmsg_cancel(skb, hdr);
6710 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6712 genlmsg_cancel(skb, hdr);
6715 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
6716 nla_nest_end(skb, tmdata);
6718 if (err == -ENOBUFS || err == -ENOENT) {
6719 genlmsg_cancel(skb, hdr);
6722 genlmsg_cancel(skb, hdr);
6726 genlmsg_end(skb, hdr);
6731 cb->args[0] = phy_idx + 1;
6737 static struct sk_buff *
6738 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
6739 int approxlen, u32 portid, u32 seq, gfp_t gfp)
6741 struct sk_buff *skb;
6743 struct nlattr *data;
6745 skb = nlmsg_new(approxlen + 100, gfp);
6749 hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE);
6755 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
6756 goto nla_put_failure;
6757 data = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
6759 ((void **)skb->cb)[0] = rdev;
6760 ((void **)skb->cb)[1] = hdr;
6761 ((void **)skb->cb)[2] = data;
6770 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
6773 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6775 if (WARN_ON(!rdev->testmode_info))
6778 return __cfg80211_testmode_alloc_skb(rdev, approxlen,
6779 rdev->testmode_info->snd_portid,
6780 rdev->testmode_info->snd_seq,
6783 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb);
6785 int cfg80211_testmode_reply(struct sk_buff *skb)
6787 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6788 void *hdr = ((void **)skb->cb)[1];
6789 struct nlattr *data = ((void **)skb->cb)[2];
6791 if (WARN_ON(!rdev->testmode_info)) {
6796 nla_nest_end(skb, data);
6797 genlmsg_end(skb, hdr);
6798 return genlmsg_reply(skb, rdev->testmode_info);
6800 EXPORT_SYMBOL(cfg80211_testmode_reply);
6802 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
6803 int approxlen, gfp_t gfp)
6805 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
6807 return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp);
6809 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
6811 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
6813 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
6814 void *hdr = ((void **)skb->cb)[1];
6815 struct nlattr *data = ((void **)skb->cb)[2];
6817 nla_nest_end(skb, data);
6818 genlmsg_end(skb, hdr);
6819 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0,
6820 nl80211_testmode_mcgrp.id, gfp);
6822 EXPORT_SYMBOL(cfg80211_testmode_event);
6825 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
6827 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6828 struct net_device *dev = info->user_ptr[1];
6829 struct cfg80211_connect_params connect;
6830 struct wiphy *wiphy;
6831 struct cfg80211_cached_keys *connkeys = NULL;
6834 memset(&connect, 0, sizeof(connect));
6836 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6839 if (!info->attrs[NL80211_ATTR_SSID] ||
6840 !nla_len(info->attrs[NL80211_ATTR_SSID]))
6843 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
6845 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
6846 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
6847 NL80211_CMD_CONNECT))
6850 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
6852 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
6854 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
6855 NL80211_MAX_NR_CIPHER_SUITES);
6859 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6860 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6863 wiphy = &rdev->wiphy;
6865 connect.bg_scan_period = -1;
6866 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
6867 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
6868 connect.bg_scan_period =
6869 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
6872 if (info->attrs[NL80211_ATTR_MAC])
6873 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
6874 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
6875 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
6877 if (info->attrs[NL80211_ATTR_IE]) {
6878 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
6879 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6882 if (info->attrs[NL80211_ATTR_USE_MFP]) {
6883 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
6884 if (connect.mfp != NL80211_MFP_REQUIRED &&
6885 connect.mfp != NL80211_MFP_NO)
6888 connect.mfp = NL80211_MFP_NO;
6891 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
6893 ieee80211_get_channel(wiphy,
6894 nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
6895 if (!connect.channel ||
6896 connect.channel->flags & IEEE80211_CHAN_DISABLED)
6900 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
6901 connkeys = nl80211_parse_connkeys(rdev,
6902 info->attrs[NL80211_ATTR_KEYS], NULL);
6903 if (IS_ERR(connkeys))
6904 return PTR_ERR(connkeys);
6907 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
6908 connect.flags |= ASSOC_REQ_DISABLE_HT;
6910 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
6911 memcpy(&connect.ht_capa_mask,
6912 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
6913 sizeof(connect.ht_capa_mask));
6915 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
6916 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
6920 memcpy(&connect.ht_capa,
6921 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
6922 sizeof(connect.ht_capa));
6925 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
6926 connect.flags |= ASSOC_REQ_DISABLE_VHT;
6928 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
6929 memcpy(&connect.vht_capa_mask,
6930 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
6931 sizeof(connect.vht_capa_mask));
6933 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
6934 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
6938 memcpy(&connect.vht_capa,
6939 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
6940 sizeof(connect.vht_capa));
6943 wdev_lock(dev->ieee80211_ptr);
6944 err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
6945 wdev_unlock(dev->ieee80211_ptr);
6951 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
6953 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6954 struct net_device *dev = info->user_ptr[1];
6958 if (!info->attrs[NL80211_ATTR_REASON_CODE])
6959 reason = WLAN_REASON_DEAUTH_LEAVING;
6961 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
6966 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
6967 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
6970 wdev_lock(dev->ieee80211_ptr);
6971 ret = cfg80211_disconnect(rdev, dev, reason, true);
6972 wdev_unlock(dev->ieee80211_ptr);
6976 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
6978 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6983 if (!info->attrs[NL80211_ATTR_PID])
6986 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
6988 net = get_net_ns_by_pid(pid);
6990 return PTR_ERR(net);
6994 /* check if anything to do */
6995 if (!net_eq(wiphy_net(&rdev->wiphy), net))
6996 err = cfg80211_switch_netns(rdev, net);
7002 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
7004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7005 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
7006 struct cfg80211_pmksa *pmksa) = NULL;
7007 struct net_device *dev = info->user_ptr[1];
7008 struct cfg80211_pmksa pmksa;
7010 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
7012 if (!info->attrs[NL80211_ATTR_MAC])
7015 if (!info->attrs[NL80211_ATTR_PMKID])
7018 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
7019 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7021 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7022 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7025 switch (info->genlhdr->cmd) {
7026 case NL80211_CMD_SET_PMKSA:
7027 rdev_ops = rdev->ops->set_pmksa;
7029 case NL80211_CMD_DEL_PMKSA:
7030 rdev_ops = rdev->ops->del_pmksa;
7040 return rdev_ops(&rdev->wiphy, dev, &pmksa);
7043 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
7045 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7046 struct net_device *dev = info->user_ptr[1];
7048 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7049 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7052 if (!rdev->ops->flush_pmksa)
7055 return rdev_flush_pmksa(rdev, dev);
7058 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
7060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7061 struct net_device *dev = info->user_ptr[1];
7062 u8 action_code, dialog_token;
7066 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7067 !rdev->ops->tdls_mgmt)
7070 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
7071 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
7072 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
7073 !info->attrs[NL80211_ATTR_IE] ||
7074 !info->attrs[NL80211_ATTR_MAC])
7077 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7078 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
7079 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
7080 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
7082 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
7083 dialog_token, status_code,
7084 nla_data(info->attrs[NL80211_ATTR_IE]),
7085 nla_len(info->attrs[NL80211_ATTR_IE]));
7088 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
7090 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7091 struct net_device *dev = info->user_ptr[1];
7092 enum nl80211_tdls_operation operation;
7095 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
7096 !rdev->ops->tdls_oper)
7099 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
7100 !info->attrs[NL80211_ATTR_MAC])
7103 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
7104 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
7106 return rdev_tdls_oper(rdev, dev, peer, operation);
7109 static int nl80211_remain_on_channel(struct sk_buff *skb,
7110 struct genl_info *info)
7112 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7113 struct wireless_dev *wdev = info->user_ptr[1];
7114 struct cfg80211_chan_def chandef;
7115 struct sk_buff *msg;
7121 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7122 !info->attrs[NL80211_ATTR_DURATION])
7125 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7127 if (!rdev->ops->remain_on_channel ||
7128 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
7132 * We should be on that channel for at least a minimum amount of
7133 * time (10ms) but no longer than the driver supports.
7135 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7136 duration > rdev->wiphy.max_remain_on_channel_duration)
7139 err = nl80211_parse_chandef(rdev, info, &chandef);
7143 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7147 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7148 NL80211_CMD_REMAIN_ON_CHANNEL);
7154 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
7160 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7161 goto nla_put_failure;
7163 genlmsg_end(msg, hdr);
7165 return genlmsg_reply(msg, info);
7174 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
7175 struct genl_info *info)
7177 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7178 struct wireless_dev *wdev = info->user_ptr[1];
7181 if (!info->attrs[NL80211_ATTR_COOKIE])
7184 if (!rdev->ops->cancel_remain_on_channel)
7187 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7189 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
7192 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
7193 u8 *rates, u8 rates_len)
7198 for (i = 0; i < rates_len; i++) {
7199 int rate = (rates[i] & 0x7f) * 5;
7201 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
7202 struct ieee80211_rate *srate =
7203 &sband->bitrates[ridx];
7204 if (rate == srate->bitrate) {
7209 if (ridx == sband->n_bitrates)
7210 return 0; /* rate not found */
7216 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
7217 u8 *rates, u8 rates_len,
7218 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
7222 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
7224 for (i = 0; i < rates_len; i++) {
7227 ridx = rates[i] / 8;
7228 rbit = BIT(rates[i] % 8);
7230 /* check validity */
7231 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
7234 /* check availability */
7235 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
7244 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
7245 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
7246 .len = NL80211_MAX_SUPP_RATES },
7247 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY,
7248 .len = NL80211_MAX_SUPP_HT_RATES },
7251 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
7252 struct genl_info *info)
7254 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
7255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7256 struct cfg80211_bitrate_mask mask;
7258 struct net_device *dev = info->user_ptr[1];
7259 struct nlattr *tx_rates;
7260 struct ieee80211_supported_band *sband;
7262 if (info->attrs[NL80211_ATTR_TX_RATES] == NULL)
7265 if (!rdev->ops->set_bitrate_mask)
7268 memset(&mask, 0, sizeof(mask));
7269 /* Default to all rates enabled */
7270 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
7271 sband = rdev->wiphy.bands[i];
7272 mask.control[i].legacy =
7273 sband ? (1 << sband->n_bitrates) - 1 : 0;
7275 memcpy(mask.control[i].mcs,
7276 sband->ht_cap.mcs.rx_mask,
7277 sizeof(mask.control[i].mcs));
7279 memset(mask.control[i].mcs, 0,
7280 sizeof(mask.control[i].mcs));
7284 * The nested attribute uses enum nl80211_band as the index. This maps
7285 * directly to the enum ieee80211_band values used in cfg80211.
7287 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
7288 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
7290 enum ieee80211_band band = nla_type(tx_rates);
7291 if (band < 0 || band >= IEEE80211_NUM_BANDS)
7293 sband = rdev->wiphy.bands[band];
7296 nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
7297 nla_len(tx_rates), nl80211_txattr_policy);
7298 if (tb[NL80211_TXRATE_LEGACY]) {
7299 mask.control[band].legacy = rateset_to_mask(
7301 nla_data(tb[NL80211_TXRATE_LEGACY]),
7302 nla_len(tb[NL80211_TXRATE_LEGACY]));
7303 if ((mask.control[band].legacy == 0) &&
7304 nla_len(tb[NL80211_TXRATE_LEGACY]))
7307 if (tb[NL80211_TXRATE_MCS]) {
7308 if (!ht_rateset_to_mask(
7310 nla_data(tb[NL80211_TXRATE_MCS]),
7311 nla_len(tb[NL80211_TXRATE_MCS]),
7312 mask.control[band].mcs))
7316 if (mask.control[band].legacy == 0) {
7317 /* don't allow empty legacy rates if HT
7318 * is not even supported. */
7319 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported)
7322 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
7323 if (mask.control[band].mcs[i])
7326 /* legacy and mcs rates may not be both empty */
7327 if (i == IEEE80211_HT_MCS_MASK_LEN)
7332 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
7335 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
7337 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7338 struct wireless_dev *wdev = info->user_ptr[1];
7339 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
7341 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
7344 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
7345 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
7347 switch (wdev->iftype) {
7348 case NL80211_IFTYPE_STATION:
7349 case NL80211_IFTYPE_ADHOC:
7350 case NL80211_IFTYPE_P2P_CLIENT:
7351 case NL80211_IFTYPE_AP:
7352 case NL80211_IFTYPE_AP_VLAN:
7353 case NL80211_IFTYPE_MESH_POINT:
7354 case NL80211_IFTYPE_P2P_GO:
7355 case NL80211_IFTYPE_P2P_DEVICE:
7361 /* not much point in registering if we can't reply */
7362 if (!rdev->ops->mgmt_tx)
7365 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
7366 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
7367 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
7370 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
7372 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7373 struct wireless_dev *wdev = info->user_ptr[1];
7374 struct cfg80211_chan_def chandef;
7378 struct sk_buff *msg = NULL;
7379 unsigned int wait = 0;
7380 bool offchan, no_cck, dont_wait_for_ack;
7382 dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
7384 if (!info->attrs[NL80211_ATTR_FRAME])
7387 if (!rdev->ops->mgmt_tx)
7390 switch (wdev->iftype) {
7391 case NL80211_IFTYPE_P2P_DEVICE:
7392 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7394 case NL80211_IFTYPE_STATION:
7395 case NL80211_IFTYPE_ADHOC:
7396 case NL80211_IFTYPE_P2P_CLIENT:
7397 case NL80211_IFTYPE_AP:
7398 case NL80211_IFTYPE_AP_VLAN:
7399 case NL80211_IFTYPE_MESH_POINT:
7400 case NL80211_IFTYPE_P2P_GO:
7406 if (info->attrs[NL80211_ATTR_DURATION]) {
7407 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7409 wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
7412 * We should wait on the channel for at least a minimum amount
7413 * of time (10ms) but no longer than the driver supports.
7415 if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
7416 wait > rdev->wiphy.max_remain_on_channel_duration)
7421 offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
7423 if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
7426 no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
7428 /* get the channel if any has been specified, otherwise pass NULL to
7429 * the driver. The latter will use the current one
7431 chandef.chan = NULL;
7432 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7433 err = nl80211_parse_chandef(rdev, info, &chandef);
7438 if (!chandef.chan && offchan)
7441 if (!dont_wait_for_ack) {
7442 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7446 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7454 err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait,
7455 nla_data(info->attrs[NL80211_ATTR_FRAME]),
7456 nla_len(info->attrs[NL80211_ATTR_FRAME]),
7457 no_cck, dont_wait_for_ack, &cookie);
7462 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
7463 goto nla_put_failure;
7465 genlmsg_end(msg, hdr);
7466 return genlmsg_reply(msg, info);
7478 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
7480 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7481 struct wireless_dev *wdev = info->user_ptr[1];
7484 if (!info->attrs[NL80211_ATTR_COOKIE])
7487 if (!rdev->ops->mgmt_tx_cancel_wait)
7490 switch (wdev->iftype) {
7491 case NL80211_IFTYPE_STATION:
7492 case NL80211_IFTYPE_ADHOC:
7493 case NL80211_IFTYPE_P2P_CLIENT:
7494 case NL80211_IFTYPE_AP:
7495 case NL80211_IFTYPE_AP_VLAN:
7496 case NL80211_IFTYPE_P2P_GO:
7497 case NL80211_IFTYPE_P2P_DEVICE:
7503 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
7505 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
7508 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
7510 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7511 struct wireless_dev *wdev;
7512 struct net_device *dev = info->user_ptr[1];
7517 if (!info->attrs[NL80211_ATTR_PS_STATE])
7520 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
7522 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
7525 wdev = dev->ieee80211_ptr;
7527 if (!rdev->ops->set_power_mgmt)
7530 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
7532 if (state == wdev->ps)
7535 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
7541 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
7543 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7544 enum nl80211_ps_state ps_state;
7545 struct wireless_dev *wdev;
7546 struct net_device *dev = info->user_ptr[1];
7547 struct sk_buff *msg;
7551 wdev = dev->ieee80211_ptr;
7553 if (!rdev->ops->set_power_mgmt)
7556 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
7560 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7561 NL80211_CMD_GET_POWER_SAVE);
7568 ps_state = NL80211_PS_ENABLED;
7570 ps_state = NL80211_PS_DISABLED;
7572 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
7573 goto nla_put_failure;
7575 genlmsg_end(msg, hdr);
7576 return genlmsg_reply(msg, info);
7585 static struct nla_policy
7586 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
7587 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
7588 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
7589 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
7590 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
7591 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
7592 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
7595 static int nl80211_set_cqm_txe(struct genl_info *info,
7596 u32 rate, u32 pkts, u32 intvl)
7598 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7599 struct net_device *dev = info->user_ptr[1];
7600 struct wireless_dev *wdev = dev->ieee80211_ptr;
7602 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
7605 if (!rdev->ops->set_cqm_txe_config)
7608 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7609 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7612 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
7615 static int nl80211_set_cqm_rssi(struct genl_info *info,
7616 s32 threshold, u32 hysteresis)
7618 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7619 struct net_device *dev = info->user_ptr[1];
7620 struct wireless_dev *wdev = dev->ieee80211_ptr;
7625 /* disabling - hysteresis should also be zero then */
7629 if (!rdev->ops->set_cqm_rssi_config)
7632 if (wdev->iftype != NL80211_IFTYPE_STATION &&
7633 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
7636 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
7639 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
7641 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
7645 cqm = info->attrs[NL80211_ATTR_CQM];
7649 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
7650 nl80211_attr_cqm_policy);
7654 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
7655 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
7656 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
7657 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
7659 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
7662 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
7663 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
7664 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
7665 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
7666 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
7667 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
7669 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
7675 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
7677 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7678 struct net_device *dev = info->user_ptr[1];
7679 struct mesh_config cfg;
7680 struct mesh_setup setup;
7683 /* start with default */
7684 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
7685 memcpy(&setup, &default_mesh_setup, sizeof(setup));
7687 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
7688 /* and parse parameters if given */
7689 err = nl80211_parse_mesh_config(info, &cfg, NULL);
7694 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
7695 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
7698 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
7699 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
7701 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
7702 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
7703 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
7706 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
7707 setup.beacon_interval =
7708 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
7709 if (setup.beacon_interval < 10 ||
7710 setup.beacon_interval > 10000)
7714 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
7716 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
7717 if (setup.dtim_period < 1 || setup.dtim_period > 100)
7721 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
7722 /* parse additional setup parameters if given */
7723 err = nl80211_parse_mesh_setup(info, &setup);
7729 cfg.auto_open_plinks = false;
7731 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
7732 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
7736 /* cfg80211_join_mesh() will sort it out */
7737 setup.chandef.chan = NULL;
7740 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
7741 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7743 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
7744 struct ieee80211_supported_band *sband;
7746 if (!setup.chandef.chan)
7749 sband = rdev->wiphy.bands[setup.chandef.chan->band];
7751 err = ieee80211_get_ratemask(sband, rates, n_rates,
7752 &setup.basic_rates);
7757 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
7760 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
7762 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7763 struct net_device *dev = info->user_ptr[1];
7765 return cfg80211_leave_mesh(rdev, dev);
7769 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
7770 struct cfg80211_registered_device *rdev)
7772 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
7773 struct nlattr *nl_pats, *nl_pat;
7776 if (!wowlan->n_patterns)
7779 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
7783 for (i = 0; i < wowlan->n_patterns; i++) {
7784 nl_pat = nla_nest_start(msg, i + 1);
7787 pat_len = wowlan->patterns[i].pattern_len;
7788 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
7789 wowlan->patterns[i].mask) ||
7790 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
7791 wowlan->patterns[i].pattern) ||
7792 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
7793 wowlan->patterns[i].pkt_offset))
7795 nla_nest_end(msg, nl_pat);
7797 nla_nest_end(msg, nl_pats);
7802 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
7803 struct cfg80211_wowlan_tcp *tcp)
7805 struct nlattr *nl_tcp;
7810 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
7814 if (nla_put_be32(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
7815 nla_put_be32(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
7816 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
7817 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
7818 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
7819 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
7820 tcp->payload_len, tcp->payload) ||
7821 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
7822 tcp->data_interval) ||
7823 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
7824 tcp->wake_len, tcp->wake_data) ||
7825 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
7826 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
7829 if (tcp->payload_seq.len &&
7830 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
7831 sizeof(tcp->payload_seq), &tcp->payload_seq))
7834 if (tcp->payload_tok.len &&
7835 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
7836 sizeof(tcp->payload_tok) + tcp->tokens_size,
7840 nla_nest_end(msg, nl_tcp);
7845 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
7847 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7848 struct sk_buff *msg;
7850 u32 size = NLMSG_DEFAULT_SIZE;
7852 if (!rdev->wiphy.wowlan)
7855 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
7856 /* adjust size to have room for all the data */
7857 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
7858 rdev->wiphy.wowlan_config->tcp->payload_len +
7859 rdev->wiphy.wowlan_config->tcp->wake_len +
7860 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
7863 msg = nlmsg_new(size, GFP_KERNEL);
7867 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
7868 NL80211_CMD_GET_WOWLAN);
7870 goto nla_put_failure;
7872 if (rdev->wiphy.wowlan_config) {
7873 struct nlattr *nl_wowlan;
7875 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
7877 goto nla_put_failure;
7879 if ((rdev->wiphy.wowlan_config->any &&
7880 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7881 (rdev->wiphy.wowlan_config->disconnect &&
7882 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7883 (rdev->wiphy.wowlan_config->magic_pkt &&
7884 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7885 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
7886 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7887 (rdev->wiphy.wowlan_config->eap_identity_req &&
7888 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7889 (rdev->wiphy.wowlan_config->four_way_handshake &&
7890 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7891 (rdev->wiphy.wowlan_config->rfkill_release &&
7892 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
7893 goto nla_put_failure;
7895 if (nl80211_send_wowlan_patterns(msg, rdev))
7896 goto nla_put_failure;
7898 if (nl80211_send_wowlan_tcp(msg,
7899 rdev->wiphy.wowlan_config->tcp))
7900 goto nla_put_failure;
7902 nla_nest_end(msg, nl_wowlan);
7905 genlmsg_end(msg, hdr);
7906 return genlmsg_reply(msg, info);
7913 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
7914 struct nlattr *attr,
7915 struct cfg80211_wowlan *trig)
7917 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
7918 struct cfg80211_wowlan_tcp *cfg;
7919 struct nl80211_wowlan_tcp_data_token *tok = NULL;
7920 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
7922 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
7925 if (!rdev->wiphy.wowlan->tcp)
7928 err = nla_parse(tb, MAX_NL80211_WOWLAN_TCP,
7929 nla_data(attr), nla_len(attr),
7930 nl80211_wowlan_tcp_policy);
7934 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
7935 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
7936 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
7937 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
7938 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
7939 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
7940 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
7941 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
7944 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
7945 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
7948 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
7949 rdev->wiphy.wowlan->tcp->data_interval_max ||
7950 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
7953 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
7954 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
7957 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
7958 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
7961 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
7962 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7964 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
7965 tokens_size = tokln - sizeof(*tok);
7967 if (!tok->len || tokens_size % tok->len)
7969 if (!rdev->wiphy.wowlan->tcp->tok)
7971 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
7973 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
7975 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
7977 if (tok->offset + tok->len > data_size)
7981 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
7982 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
7983 if (!rdev->wiphy.wowlan->tcp->seq)
7985 if (seq->len == 0 || seq->len > 4)
7987 if (seq->len + seq->offset > data_size)
7991 size = sizeof(*cfg);
7993 size += wake_size + wake_mask_size;
7994 size += tokens_size;
7996 cfg = kzalloc(size, GFP_KERNEL);
7999 cfg->src = nla_get_be32(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
8000 cfg->dst = nla_get_be32(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
8001 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
8003 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
8004 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
8008 /* allocate a socket and port for it and use it */
8009 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
8010 IPPROTO_TCP, &cfg->sock, 1);
8015 if (inet_csk_get_port(cfg->sock->sk, port)) {
8016 sock_release(cfg->sock);
8020 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
8026 cfg->src_port = port;
8029 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
8030 cfg->payload_len = data_size;
8031 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
8032 memcpy((void *)cfg->payload,
8033 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
8036 cfg->payload_seq = *seq;
8037 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
8038 cfg->wake_len = wake_size;
8039 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
8040 memcpy((void *)cfg->wake_data,
8041 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
8043 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
8044 data_size + wake_size;
8045 memcpy((void *)cfg->wake_mask,
8046 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
8049 cfg->tokens_size = tokens_size;
8050 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
8058 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
8060 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8061 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
8062 struct cfg80211_wowlan new_triggers = {};
8063 struct cfg80211_wowlan *ntrig;
8064 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
8066 bool prev_enabled = rdev->wiphy.wowlan_config;
8071 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
8072 cfg80211_rdev_free_wowlan(rdev);
8073 rdev->wiphy.wowlan_config = NULL;
8077 err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
8078 nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8079 nla_len(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
8080 nl80211_wowlan_policy);
8084 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
8085 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
8087 new_triggers.any = true;
8090 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
8091 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
8093 new_triggers.disconnect = true;
8096 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
8097 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
8099 new_triggers.magic_pkt = true;
8102 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
8105 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
8106 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
8108 new_triggers.gtk_rekey_failure = true;
8111 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
8112 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
8114 new_triggers.eap_identity_req = true;
8117 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
8118 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
8120 new_triggers.four_way_handshake = true;
8123 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
8124 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
8126 new_triggers.rfkill_release = true;
8129 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
8132 int rem, pat_len, mask_len, pkt_offset;
8133 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8135 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8138 if (n_patterns > wowlan->n_patterns)
8141 new_triggers.patterns = kcalloc(n_patterns,
8142 sizeof(new_triggers.patterns[0]),
8144 if (!new_triggers.patterns)
8147 new_triggers.n_patterns = n_patterns;
8150 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
8152 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8153 nla_len(pat), NULL);
8155 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8156 !pat_tb[NL80211_PKTPAT_PATTERN])
8158 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8159 mask_len = DIV_ROUND_UP(pat_len, 8);
8160 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8162 if (pat_len > wowlan->pattern_max_len ||
8163 pat_len < wowlan->pattern_min_len)
8166 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8169 pkt_offset = nla_get_u32(
8170 pat_tb[NL80211_PKTPAT_OFFSET]);
8171 if (pkt_offset > wowlan->max_pkt_offset)
8173 new_triggers.patterns[i].pkt_offset = pkt_offset;
8175 new_triggers.patterns[i].mask =
8176 kmalloc(mask_len + pat_len, GFP_KERNEL);
8177 if (!new_triggers.patterns[i].mask) {
8181 new_triggers.patterns[i].pattern =
8182 new_triggers.patterns[i].mask + mask_len;
8183 memcpy(new_triggers.patterns[i].mask,
8184 nla_data(pat_tb[NL80211_PKTPAT_MASK]),
8186 new_triggers.patterns[i].pattern_len = pat_len;
8187 memcpy(new_triggers.patterns[i].pattern,
8188 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
8194 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
8195 err = nl80211_parse_wowlan_tcp(
8196 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
8202 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
8207 cfg80211_rdev_free_wowlan(rdev);
8208 rdev->wiphy.wowlan_config = ntrig;
8211 if (rdev->ops->set_wakeup &&
8212 prev_enabled != !!rdev->wiphy.wowlan_config)
8213 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
8217 for (i = 0; i < new_triggers.n_patterns; i++)
8218 kfree(new_triggers.patterns[i].mask);
8219 kfree(new_triggers.patterns);
8220 if (new_triggers.tcp && new_triggers.tcp->sock)
8221 sock_release(new_triggers.tcp->sock);
8222 kfree(new_triggers.tcp);
8227 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
8228 struct cfg80211_registered_device *rdev)
8230 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
8232 struct cfg80211_coalesce_rules *rule;
8234 if (!rdev->coalesce->n_rules)
8237 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
8241 for (i = 0; i < rdev->coalesce->n_rules; i++) {
8242 nl_rule = nla_nest_start(msg, i + 1);
8246 rule = &rdev->coalesce->rules[i];
8247 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
8251 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
8255 nl_pats = nla_nest_start(msg,
8256 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
8260 for (j = 0; j < rule->n_patterns; j++) {
8261 nl_pat = nla_nest_start(msg, j + 1);
8264 pat_len = rule->patterns[j].pattern_len;
8265 if (nla_put(msg, NL80211_PKTPAT_MASK,
8266 DIV_ROUND_UP(pat_len, 8),
8267 rule->patterns[j].mask) ||
8268 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
8269 rule->patterns[j].pattern) ||
8270 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
8271 rule->patterns[j].pkt_offset))
8273 nla_nest_end(msg, nl_pat);
8275 nla_nest_end(msg, nl_pats);
8276 nla_nest_end(msg, nl_rule);
8278 nla_nest_end(msg, nl_rules);
8283 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
8285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8286 struct sk_buff *msg;
8289 if (!rdev->wiphy.coalesce)
8292 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8296 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8297 NL80211_CMD_GET_COALESCE);
8299 goto nla_put_failure;
8301 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
8302 goto nla_put_failure;
8304 genlmsg_end(msg, hdr);
8305 return genlmsg_reply(msg, info);
8312 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
8314 struct cfg80211_coalesce *coalesce = rdev->coalesce;
8316 struct cfg80211_coalesce_rules *rule;
8321 for (i = 0; i < coalesce->n_rules; i++) {
8322 rule = &coalesce->rules[i];
8323 for (j = 0; j < rule->n_patterns; j++)
8324 kfree(rule->patterns[j].mask);
8325 kfree(rule->patterns);
8327 kfree(coalesce->rules);
8329 rdev->coalesce = NULL;
8332 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
8333 struct nlattr *rule,
8334 struct cfg80211_coalesce_rules *new_rule)
8337 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8338 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
8339 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
8340 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
8342 err = nla_parse(tb, NL80211_ATTR_COALESCE_RULE_MAX, nla_data(rule),
8343 nla_len(rule), nl80211_coalesce_policy);
8347 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
8349 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
8350 if (new_rule->delay > coalesce->max_delay)
8353 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
8354 new_rule->condition =
8355 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
8356 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
8357 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
8360 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
8363 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8366 if (n_patterns > coalesce->n_patterns)
8369 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
8371 if (!new_rule->patterns)
8374 new_rule->n_patterns = n_patterns;
8377 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
8379 nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
8380 nla_len(pat), NULL);
8381 if (!pat_tb[NL80211_PKTPAT_MASK] ||
8382 !pat_tb[NL80211_PKTPAT_PATTERN])
8384 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
8385 mask_len = DIV_ROUND_UP(pat_len, 8);
8386 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
8388 if (pat_len > coalesce->pattern_max_len ||
8389 pat_len < coalesce->pattern_min_len)
8392 if (!pat_tb[NL80211_PKTPAT_OFFSET])
8395 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
8396 if (pkt_offset > coalesce->max_pkt_offset)
8398 new_rule->patterns[i].pkt_offset = pkt_offset;
8400 new_rule->patterns[i].mask =
8401 kmalloc(mask_len + pat_len, GFP_KERNEL);
8402 if (!new_rule->patterns[i].mask)
8404 new_rule->patterns[i].pattern =
8405 new_rule->patterns[i].mask + mask_len;
8406 memcpy(new_rule->patterns[i].mask,
8407 nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
8408 new_rule->patterns[i].pattern_len = pat_len;
8409 memcpy(new_rule->patterns[i].pattern,
8410 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
8417 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
8419 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8420 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
8421 struct cfg80211_coalesce new_coalesce = {};
8422 struct cfg80211_coalesce *n_coalesce;
8423 int err, rem_rule, n_rules = 0, i, j;
8424 struct nlattr *rule;
8425 struct cfg80211_coalesce_rules *tmp_rule;
8427 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
8430 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
8431 cfg80211_rdev_free_coalesce(rdev);
8432 rdev->ops->set_coalesce(&rdev->wiphy, NULL);
8436 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8439 if (n_rules > coalesce->n_rules)
8442 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
8444 if (!new_coalesce.rules)
8447 new_coalesce.n_rules = n_rules;
8450 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
8452 err = nl80211_parse_coalesce_rule(rdev, rule,
8453 &new_coalesce.rules[i]);
8460 err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
8464 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
8469 cfg80211_rdev_free_coalesce(rdev);
8470 rdev->coalesce = n_coalesce;
8474 for (i = 0; i < new_coalesce.n_rules; i++) {
8475 tmp_rule = &new_coalesce.rules[i];
8476 for (j = 0; j < tmp_rule->n_patterns; j++)
8477 kfree(tmp_rule->patterns[j].mask);
8478 kfree(tmp_rule->patterns);
8480 kfree(new_coalesce.rules);
8485 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
8487 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8488 struct net_device *dev = info->user_ptr[1];
8489 struct wireless_dev *wdev = dev->ieee80211_ptr;
8490 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
8491 struct cfg80211_gtk_rekey_data rekey_data;
8494 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
8497 err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
8498 nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
8499 nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
8500 nl80211_rekey_policy);
8504 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
8506 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
8508 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
8511 memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
8513 memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
8515 memcpy(rekey_data.replay_ctr,
8516 nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
8517 NL80211_REPLAY_CTR_LEN);
8520 if (!wdev->current_bss) {
8525 if (!rdev->ops->set_rekey_data) {
8530 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
8536 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
8537 struct genl_info *info)
8539 struct net_device *dev = info->user_ptr[1];
8540 struct wireless_dev *wdev = dev->ieee80211_ptr;
8542 if (wdev->iftype != NL80211_IFTYPE_AP &&
8543 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8546 if (wdev->ap_unexpected_nlportid)
8549 wdev->ap_unexpected_nlportid = info->snd_portid;
8553 static int nl80211_probe_client(struct sk_buff *skb,
8554 struct genl_info *info)
8556 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8557 struct net_device *dev = info->user_ptr[1];
8558 struct wireless_dev *wdev = dev->ieee80211_ptr;
8559 struct sk_buff *msg;
8565 if (wdev->iftype != NL80211_IFTYPE_AP &&
8566 wdev->iftype != NL80211_IFTYPE_P2P_GO)
8569 if (!info->attrs[NL80211_ATTR_MAC])
8572 if (!rdev->ops->probe_client)
8575 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8579 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8580 NL80211_CMD_PROBE_CLIENT);
8586 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
8588 err = rdev_probe_client(rdev, dev, addr, &cookie);
8592 if (nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
8593 goto nla_put_failure;
8595 genlmsg_end(msg, hdr);
8597 return genlmsg_reply(msg, info);
8606 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
8608 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8609 struct cfg80211_beacon_registration *reg, *nreg;
8612 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
8615 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
8619 /* First, check if already registered. */
8620 spin_lock_bh(&rdev->beacon_registrations_lock);
8621 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
8622 if (reg->nlportid == info->snd_portid) {
8627 /* Add it to the list */
8628 nreg->nlportid = info->snd_portid;
8629 list_add(&nreg->list, &rdev->beacon_registrations);
8631 spin_unlock_bh(&rdev->beacon_registrations_lock);
8635 spin_unlock_bh(&rdev->beacon_registrations_lock);
8640 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
8642 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8643 struct wireless_dev *wdev = info->user_ptr[1];
8646 if (!rdev->ops->start_p2p_device)
8649 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8652 if (wdev->p2p_started)
8655 err = cfg80211_can_add_interface(rdev, wdev->iftype);
8659 err = rdev_start_p2p_device(rdev, wdev);
8663 wdev->p2p_started = true;
8669 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
8671 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8672 struct wireless_dev *wdev = info->user_ptr[1];
8674 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
8677 if (!rdev->ops->stop_p2p_device)
8680 cfg80211_stop_p2p_device(rdev, wdev);
8685 static int nl80211_get_protocol_features(struct sk_buff *skb,
8686 struct genl_info *info)
8689 struct sk_buff *msg;
8691 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
8695 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
8696 NL80211_CMD_GET_PROTOCOL_FEATURES);
8698 goto nla_put_failure;
8700 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
8701 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
8702 goto nla_put_failure;
8704 genlmsg_end(msg, hdr);
8705 return genlmsg_reply(msg, info);
8712 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
8714 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8715 struct cfg80211_update_ft_ies_params ft_params;
8716 struct net_device *dev = info->user_ptr[1];
8718 if (!rdev->ops->update_ft_ies)
8721 if (!info->attrs[NL80211_ATTR_MDID] ||
8722 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8725 memset(&ft_params, 0, sizeof(ft_params));
8726 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
8727 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8728 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8730 return rdev_update_ft_ies(rdev, dev, &ft_params);
8733 static int nl80211_crit_protocol_start(struct sk_buff *skb,
8734 struct genl_info *info)
8736 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8737 struct wireless_dev *wdev = info->user_ptr[1];
8738 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
8742 if (!rdev->ops->crit_proto_start)
8745 if (WARN_ON(!rdev->ops->crit_proto_stop))
8748 if (rdev->crit_proto_nlportid)
8751 /* determine protocol if provided */
8752 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
8753 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
8755 if (proto >= NUM_NL80211_CRIT_PROTO)
8758 /* timeout must be provided */
8759 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
8763 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
8765 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
8768 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
8770 rdev->crit_proto_nlportid = info->snd_portid;
8775 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
8776 struct genl_info *info)
8778 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8779 struct wireless_dev *wdev = info->user_ptr[1];
8781 if (!rdev->ops->crit_proto_stop)
8784 if (rdev->crit_proto_nlportid) {
8785 rdev->crit_proto_nlportid = 0;
8786 rdev_crit_proto_stop(rdev, wdev);
8791 #define NL80211_FLAG_NEED_WIPHY 0x01
8792 #define NL80211_FLAG_NEED_NETDEV 0x02
8793 #define NL80211_FLAG_NEED_RTNL 0x04
8794 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8795 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8796 NL80211_FLAG_CHECK_NETDEV_UP)
8797 #define NL80211_FLAG_NEED_WDEV 0x10
8798 /* If a netdev is associated, it must be UP, P2P must be started */
8799 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8800 NL80211_FLAG_CHECK_NETDEV_UP)
8802 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
8803 struct genl_info *info)
8805 struct cfg80211_registered_device *rdev;
8806 struct wireless_dev *wdev;
8807 struct net_device *dev;
8808 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
8813 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
8814 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
8818 return PTR_ERR(rdev);
8820 info->user_ptr[0] = rdev;
8821 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
8822 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8825 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
8830 return PTR_ERR(wdev);
8834 rdev = wiphy_to_dev(wdev->wiphy);
8836 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
8843 info->user_ptr[1] = dev;
8845 info->user_ptr[1] = wdev;
8849 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
8850 !netif_running(dev)) {
8857 } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
8858 if (!wdev->p2p_started) {
8865 info->user_ptr[0] = rdev;
8871 static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
8872 struct genl_info *info)
8874 if (info->user_ptr[1]) {
8875 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
8876 struct wireless_dev *wdev = info->user_ptr[1];
8879 dev_put(wdev->netdev);
8881 dev_put(info->user_ptr[1]);
8884 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
8888 static struct genl_ops nl80211_ops[] = {
8890 .cmd = NL80211_CMD_GET_WIPHY,
8891 .doit = nl80211_get_wiphy,
8892 .dumpit = nl80211_dump_wiphy,
8893 .done = nl80211_dump_wiphy_done,
8894 .policy = nl80211_policy,
8895 /* can be retrieved by unprivileged users */
8896 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8897 NL80211_FLAG_NEED_RTNL,
8900 .cmd = NL80211_CMD_SET_WIPHY,
8901 .doit = nl80211_set_wiphy,
8902 .policy = nl80211_policy,
8903 .flags = GENL_ADMIN_PERM,
8904 .internal_flags = NL80211_FLAG_NEED_RTNL,
8907 .cmd = NL80211_CMD_GET_INTERFACE,
8908 .doit = nl80211_get_interface,
8909 .dumpit = nl80211_dump_interface,
8910 .policy = nl80211_policy,
8911 /* can be retrieved by unprivileged users */
8912 .internal_flags = NL80211_FLAG_NEED_WDEV |
8913 NL80211_FLAG_NEED_RTNL,
8916 .cmd = NL80211_CMD_SET_INTERFACE,
8917 .doit = nl80211_set_interface,
8918 .policy = nl80211_policy,
8919 .flags = GENL_ADMIN_PERM,
8920 .internal_flags = NL80211_FLAG_NEED_NETDEV |
8921 NL80211_FLAG_NEED_RTNL,
8924 .cmd = NL80211_CMD_NEW_INTERFACE,
8925 .doit = nl80211_new_interface,
8926 .policy = nl80211_policy,
8927 .flags = GENL_ADMIN_PERM,
8928 .internal_flags = NL80211_FLAG_NEED_WIPHY |
8929 NL80211_FLAG_NEED_RTNL,
8932 .cmd = NL80211_CMD_DEL_INTERFACE,
8933 .doit = nl80211_del_interface,
8934 .policy = nl80211_policy,
8935 .flags = GENL_ADMIN_PERM,
8936 .internal_flags = NL80211_FLAG_NEED_WDEV |
8937 NL80211_FLAG_NEED_RTNL,
8940 .cmd = NL80211_CMD_GET_KEY,
8941 .doit = nl80211_get_key,
8942 .policy = nl80211_policy,
8943 .flags = GENL_ADMIN_PERM,
8944 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8945 NL80211_FLAG_NEED_RTNL,
8948 .cmd = NL80211_CMD_SET_KEY,
8949 .doit = nl80211_set_key,
8950 .policy = nl80211_policy,
8951 .flags = GENL_ADMIN_PERM,
8952 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8953 NL80211_FLAG_NEED_RTNL,
8956 .cmd = NL80211_CMD_NEW_KEY,
8957 .doit = nl80211_new_key,
8958 .policy = nl80211_policy,
8959 .flags = GENL_ADMIN_PERM,
8960 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8961 NL80211_FLAG_NEED_RTNL,
8964 .cmd = NL80211_CMD_DEL_KEY,
8965 .doit = nl80211_del_key,
8966 .policy = nl80211_policy,
8967 .flags = GENL_ADMIN_PERM,
8968 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8969 NL80211_FLAG_NEED_RTNL,
8972 .cmd = NL80211_CMD_SET_BEACON,
8973 .policy = nl80211_policy,
8974 .flags = GENL_ADMIN_PERM,
8975 .doit = nl80211_set_beacon,
8976 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8977 NL80211_FLAG_NEED_RTNL,
8980 .cmd = NL80211_CMD_START_AP,
8981 .policy = nl80211_policy,
8982 .flags = GENL_ADMIN_PERM,
8983 .doit = nl80211_start_ap,
8984 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8985 NL80211_FLAG_NEED_RTNL,
8988 .cmd = NL80211_CMD_STOP_AP,
8989 .policy = nl80211_policy,
8990 .flags = GENL_ADMIN_PERM,
8991 .doit = nl80211_stop_ap,
8992 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
8993 NL80211_FLAG_NEED_RTNL,
8996 .cmd = NL80211_CMD_GET_STATION,
8997 .doit = nl80211_get_station,
8998 .dumpit = nl80211_dump_station,
8999 .policy = nl80211_policy,
9000 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9001 NL80211_FLAG_NEED_RTNL,
9004 .cmd = NL80211_CMD_SET_STATION,
9005 .doit = nl80211_set_station,
9006 .policy = nl80211_policy,
9007 .flags = GENL_ADMIN_PERM,
9008 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9009 NL80211_FLAG_NEED_RTNL,
9012 .cmd = NL80211_CMD_NEW_STATION,
9013 .doit = nl80211_new_station,
9014 .policy = nl80211_policy,
9015 .flags = GENL_ADMIN_PERM,
9016 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9017 NL80211_FLAG_NEED_RTNL,
9020 .cmd = NL80211_CMD_DEL_STATION,
9021 .doit = nl80211_del_station,
9022 .policy = nl80211_policy,
9023 .flags = GENL_ADMIN_PERM,
9024 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9025 NL80211_FLAG_NEED_RTNL,
9028 .cmd = NL80211_CMD_GET_MPATH,
9029 .doit = nl80211_get_mpath,
9030 .dumpit = nl80211_dump_mpath,
9031 .policy = nl80211_policy,
9032 .flags = GENL_ADMIN_PERM,
9033 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9034 NL80211_FLAG_NEED_RTNL,
9037 .cmd = NL80211_CMD_SET_MPATH,
9038 .doit = nl80211_set_mpath,
9039 .policy = nl80211_policy,
9040 .flags = GENL_ADMIN_PERM,
9041 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9042 NL80211_FLAG_NEED_RTNL,
9045 .cmd = NL80211_CMD_NEW_MPATH,
9046 .doit = nl80211_new_mpath,
9047 .policy = nl80211_policy,
9048 .flags = GENL_ADMIN_PERM,
9049 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9050 NL80211_FLAG_NEED_RTNL,
9053 .cmd = NL80211_CMD_DEL_MPATH,
9054 .doit = nl80211_del_mpath,
9055 .policy = nl80211_policy,
9056 .flags = GENL_ADMIN_PERM,
9057 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9058 NL80211_FLAG_NEED_RTNL,
9061 .cmd = NL80211_CMD_SET_BSS,
9062 .doit = nl80211_set_bss,
9063 .policy = nl80211_policy,
9064 .flags = GENL_ADMIN_PERM,
9065 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9066 NL80211_FLAG_NEED_RTNL,
9069 .cmd = NL80211_CMD_GET_REG,
9070 .doit = nl80211_get_reg,
9071 .policy = nl80211_policy,
9072 .internal_flags = NL80211_FLAG_NEED_RTNL,
9073 /* can be retrieved by unprivileged users */
9076 .cmd = NL80211_CMD_SET_REG,
9077 .doit = nl80211_set_reg,
9078 .policy = nl80211_policy,
9079 .flags = GENL_ADMIN_PERM,
9080 .internal_flags = NL80211_FLAG_NEED_RTNL,
9083 .cmd = NL80211_CMD_REQ_SET_REG,
9084 .doit = nl80211_req_set_reg,
9085 .policy = nl80211_policy,
9086 .flags = GENL_ADMIN_PERM,
9089 .cmd = NL80211_CMD_GET_MESH_CONFIG,
9090 .doit = nl80211_get_mesh_config,
9091 .policy = nl80211_policy,
9092 /* can be retrieved by unprivileged users */
9093 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9094 NL80211_FLAG_NEED_RTNL,
9097 .cmd = NL80211_CMD_SET_MESH_CONFIG,
9098 .doit = nl80211_update_mesh_config,
9099 .policy = nl80211_policy,
9100 .flags = GENL_ADMIN_PERM,
9101 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9102 NL80211_FLAG_NEED_RTNL,
9105 .cmd = NL80211_CMD_TRIGGER_SCAN,
9106 .doit = nl80211_trigger_scan,
9107 .policy = nl80211_policy,
9108 .flags = GENL_ADMIN_PERM,
9109 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9110 NL80211_FLAG_NEED_RTNL,
9113 .cmd = NL80211_CMD_GET_SCAN,
9114 .policy = nl80211_policy,
9115 .dumpit = nl80211_dump_scan,
9118 .cmd = NL80211_CMD_START_SCHED_SCAN,
9119 .doit = nl80211_start_sched_scan,
9120 .policy = nl80211_policy,
9121 .flags = GENL_ADMIN_PERM,
9122 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9123 NL80211_FLAG_NEED_RTNL,
9126 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
9127 .doit = nl80211_stop_sched_scan,
9128 .policy = nl80211_policy,
9129 .flags = GENL_ADMIN_PERM,
9130 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9131 NL80211_FLAG_NEED_RTNL,
9134 .cmd = NL80211_CMD_AUTHENTICATE,
9135 .doit = nl80211_authenticate,
9136 .policy = nl80211_policy,
9137 .flags = GENL_ADMIN_PERM,
9138 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9139 NL80211_FLAG_NEED_RTNL,
9142 .cmd = NL80211_CMD_ASSOCIATE,
9143 .doit = nl80211_associate,
9144 .policy = nl80211_policy,
9145 .flags = GENL_ADMIN_PERM,
9146 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9147 NL80211_FLAG_NEED_RTNL,
9150 .cmd = NL80211_CMD_DEAUTHENTICATE,
9151 .doit = nl80211_deauthenticate,
9152 .policy = nl80211_policy,
9153 .flags = GENL_ADMIN_PERM,
9154 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9155 NL80211_FLAG_NEED_RTNL,
9158 .cmd = NL80211_CMD_DISASSOCIATE,
9159 .doit = nl80211_disassociate,
9160 .policy = nl80211_policy,
9161 .flags = GENL_ADMIN_PERM,
9162 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9163 NL80211_FLAG_NEED_RTNL,
9166 .cmd = NL80211_CMD_JOIN_IBSS,
9167 .doit = nl80211_join_ibss,
9168 .policy = nl80211_policy,
9169 .flags = GENL_ADMIN_PERM,
9170 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9171 NL80211_FLAG_NEED_RTNL,
9174 .cmd = NL80211_CMD_LEAVE_IBSS,
9175 .doit = nl80211_leave_ibss,
9176 .policy = nl80211_policy,
9177 .flags = GENL_ADMIN_PERM,
9178 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9179 NL80211_FLAG_NEED_RTNL,
9181 #ifdef CONFIG_NL80211_TESTMODE
9183 .cmd = NL80211_CMD_TESTMODE,
9184 .doit = nl80211_testmode_do,
9185 .dumpit = nl80211_testmode_dump,
9186 .policy = nl80211_policy,
9187 .flags = GENL_ADMIN_PERM,
9188 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9189 NL80211_FLAG_NEED_RTNL,
9193 .cmd = NL80211_CMD_CONNECT,
9194 .doit = nl80211_connect,
9195 .policy = nl80211_policy,
9196 .flags = GENL_ADMIN_PERM,
9197 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9198 NL80211_FLAG_NEED_RTNL,
9201 .cmd = NL80211_CMD_DISCONNECT,
9202 .doit = nl80211_disconnect,
9203 .policy = nl80211_policy,
9204 .flags = GENL_ADMIN_PERM,
9205 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9206 NL80211_FLAG_NEED_RTNL,
9209 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
9210 .doit = nl80211_wiphy_netns,
9211 .policy = nl80211_policy,
9212 .flags = GENL_ADMIN_PERM,
9213 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9214 NL80211_FLAG_NEED_RTNL,
9217 .cmd = NL80211_CMD_GET_SURVEY,
9218 .policy = nl80211_policy,
9219 .dumpit = nl80211_dump_survey,
9222 .cmd = NL80211_CMD_SET_PMKSA,
9223 .doit = nl80211_setdel_pmksa,
9224 .policy = nl80211_policy,
9225 .flags = GENL_ADMIN_PERM,
9226 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9227 NL80211_FLAG_NEED_RTNL,
9230 .cmd = NL80211_CMD_DEL_PMKSA,
9231 .doit = nl80211_setdel_pmksa,
9232 .policy = nl80211_policy,
9233 .flags = GENL_ADMIN_PERM,
9234 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9235 NL80211_FLAG_NEED_RTNL,
9238 .cmd = NL80211_CMD_FLUSH_PMKSA,
9239 .doit = nl80211_flush_pmksa,
9240 .policy = nl80211_policy,
9241 .flags = GENL_ADMIN_PERM,
9242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9243 NL80211_FLAG_NEED_RTNL,
9246 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
9247 .doit = nl80211_remain_on_channel,
9248 .policy = nl80211_policy,
9249 .flags = GENL_ADMIN_PERM,
9250 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9251 NL80211_FLAG_NEED_RTNL,
9254 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
9255 .doit = nl80211_cancel_remain_on_channel,
9256 .policy = nl80211_policy,
9257 .flags = GENL_ADMIN_PERM,
9258 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9259 NL80211_FLAG_NEED_RTNL,
9262 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
9263 .doit = nl80211_set_tx_bitrate_mask,
9264 .policy = nl80211_policy,
9265 .flags = GENL_ADMIN_PERM,
9266 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9267 NL80211_FLAG_NEED_RTNL,
9270 .cmd = NL80211_CMD_REGISTER_FRAME,
9271 .doit = nl80211_register_mgmt,
9272 .policy = nl80211_policy,
9273 .flags = GENL_ADMIN_PERM,
9274 .internal_flags = NL80211_FLAG_NEED_WDEV |
9275 NL80211_FLAG_NEED_RTNL,
9278 .cmd = NL80211_CMD_FRAME,
9279 .doit = nl80211_tx_mgmt,
9280 .policy = nl80211_policy,
9281 .flags = GENL_ADMIN_PERM,
9282 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9283 NL80211_FLAG_NEED_RTNL,
9286 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
9287 .doit = nl80211_tx_mgmt_cancel_wait,
9288 .policy = nl80211_policy,
9289 .flags = GENL_ADMIN_PERM,
9290 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9291 NL80211_FLAG_NEED_RTNL,
9294 .cmd = NL80211_CMD_SET_POWER_SAVE,
9295 .doit = nl80211_set_power_save,
9296 .policy = nl80211_policy,
9297 .flags = GENL_ADMIN_PERM,
9298 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9299 NL80211_FLAG_NEED_RTNL,
9302 .cmd = NL80211_CMD_GET_POWER_SAVE,
9303 .doit = nl80211_get_power_save,
9304 .policy = nl80211_policy,
9305 /* can be retrieved by unprivileged users */
9306 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9307 NL80211_FLAG_NEED_RTNL,
9310 .cmd = NL80211_CMD_SET_CQM,
9311 .doit = nl80211_set_cqm,
9312 .policy = nl80211_policy,
9313 .flags = GENL_ADMIN_PERM,
9314 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9315 NL80211_FLAG_NEED_RTNL,
9318 .cmd = NL80211_CMD_SET_CHANNEL,
9319 .doit = nl80211_set_channel,
9320 .policy = nl80211_policy,
9321 .flags = GENL_ADMIN_PERM,
9322 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9323 NL80211_FLAG_NEED_RTNL,
9326 .cmd = NL80211_CMD_SET_WDS_PEER,
9327 .doit = nl80211_set_wds_peer,
9328 .policy = nl80211_policy,
9329 .flags = GENL_ADMIN_PERM,
9330 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9331 NL80211_FLAG_NEED_RTNL,
9334 .cmd = NL80211_CMD_JOIN_MESH,
9335 .doit = nl80211_join_mesh,
9336 .policy = nl80211_policy,
9337 .flags = GENL_ADMIN_PERM,
9338 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9339 NL80211_FLAG_NEED_RTNL,
9342 .cmd = NL80211_CMD_LEAVE_MESH,
9343 .doit = nl80211_leave_mesh,
9344 .policy = nl80211_policy,
9345 .flags = GENL_ADMIN_PERM,
9346 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9347 NL80211_FLAG_NEED_RTNL,
9351 .cmd = NL80211_CMD_GET_WOWLAN,
9352 .doit = nl80211_get_wowlan,
9353 .policy = nl80211_policy,
9354 /* can be retrieved by unprivileged users */
9355 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9356 NL80211_FLAG_NEED_RTNL,
9359 .cmd = NL80211_CMD_SET_WOWLAN,
9360 .doit = nl80211_set_wowlan,
9361 .policy = nl80211_policy,
9362 .flags = GENL_ADMIN_PERM,
9363 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9364 NL80211_FLAG_NEED_RTNL,
9368 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
9369 .doit = nl80211_set_rekey_data,
9370 .policy = nl80211_policy,
9371 .flags = GENL_ADMIN_PERM,
9372 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9373 NL80211_FLAG_NEED_RTNL,
9376 .cmd = NL80211_CMD_TDLS_MGMT,
9377 .doit = nl80211_tdls_mgmt,
9378 .policy = nl80211_policy,
9379 .flags = GENL_ADMIN_PERM,
9380 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9381 NL80211_FLAG_NEED_RTNL,
9384 .cmd = NL80211_CMD_TDLS_OPER,
9385 .doit = nl80211_tdls_oper,
9386 .policy = nl80211_policy,
9387 .flags = GENL_ADMIN_PERM,
9388 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9389 NL80211_FLAG_NEED_RTNL,
9392 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
9393 .doit = nl80211_register_unexpected_frame,
9394 .policy = nl80211_policy,
9395 .flags = GENL_ADMIN_PERM,
9396 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9397 NL80211_FLAG_NEED_RTNL,
9400 .cmd = NL80211_CMD_PROBE_CLIENT,
9401 .doit = nl80211_probe_client,
9402 .policy = nl80211_policy,
9403 .flags = GENL_ADMIN_PERM,
9404 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9405 NL80211_FLAG_NEED_RTNL,
9408 .cmd = NL80211_CMD_REGISTER_BEACONS,
9409 .doit = nl80211_register_beacons,
9410 .policy = nl80211_policy,
9411 .flags = GENL_ADMIN_PERM,
9412 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9413 NL80211_FLAG_NEED_RTNL,
9416 .cmd = NL80211_CMD_SET_NOACK_MAP,
9417 .doit = nl80211_set_noack_map,
9418 .policy = nl80211_policy,
9419 .flags = GENL_ADMIN_PERM,
9420 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9421 NL80211_FLAG_NEED_RTNL,
9424 .cmd = NL80211_CMD_START_P2P_DEVICE,
9425 .doit = nl80211_start_p2p_device,
9426 .policy = nl80211_policy,
9427 .flags = GENL_ADMIN_PERM,
9428 .internal_flags = NL80211_FLAG_NEED_WDEV |
9429 NL80211_FLAG_NEED_RTNL,
9432 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
9433 .doit = nl80211_stop_p2p_device,
9434 .policy = nl80211_policy,
9435 .flags = GENL_ADMIN_PERM,
9436 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9437 NL80211_FLAG_NEED_RTNL,
9440 .cmd = NL80211_CMD_SET_MCAST_RATE,
9441 .doit = nl80211_set_mcast_rate,
9442 .policy = nl80211_policy,
9443 .flags = GENL_ADMIN_PERM,
9444 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9445 NL80211_FLAG_NEED_RTNL,
9448 .cmd = NL80211_CMD_SET_MAC_ACL,
9449 .doit = nl80211_set_mac_acl,
9450 .policy = nl80211_policy,
9451 .flags = GENL_ADMIN_PERM,
9452 .internal_flags = NL80211_FLAG_NEED_NETDEV |
9453 NL80211_FLAG_NEED_RTNL,
9456 .cmd = NL80211_CMD_RADAR_DETECT,
9457 .doit = nl80211_start_radar_detection,
9458 .policy = nl80211_policy,
9459 .flags = GENL_ADMIN_PERM,
9460 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9461 NL80211_FLAG_NEED_RTNL,
9464 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
9465 .doit = nl80211_get_protocol_features,
9466 .policy = nl80211_policy,
9469 .cmd = NL80211_CMD_UPDATE_FT_IES,
9470 .doit = nl80211_update_ft_ies,
9471 .policy = nl80211_policy,
9472 .flags = GENL_ADMIN_PERM,
9473 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9474 NL80211_FLAG_NEED_RTNL,
9477 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
9478 .doit = nl80211_crit_protocol_start,
9479 .policy = nl80211_policy,
9480 .flags = GENL_ADMIN_PERM,
9481 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9482 NL80211_FLAG_NEED_RTNL,
9485 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
9486 .doit = nl80211_crit_protocol_stop,
9487 .policy = nl80211_policy,
9488 .flags = GENL_ADMIN_PERM,
9489 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
9490 NL80211_FLAG_NEED_RTNL,
9493 .cmd = NL80211_CMD_GET_COALESCE,
9494 .doit = nl80211_get_coalesce,
9495 .policy = nl80211_policy,
9496 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9497 NL80211_FLAG_NEED_RTNL,
9500 .cmd = NL80211_CMD_SET_COALESCE,
9501 .doit = nl80211_set_coalesce,
9502 .policy = nl80211_policy,
9503 .flags = GENL_ADMIN_PERM,
9504 .internal_flags = NL80211_FLAG_NEED_WIPHY |
9505 NL80211_FLAG_NEED_RTNL,
9508 .cmd = NL80211_CMD_CHANNEL_SWITCH,
9509 .doit = nl80211_channel_switch,
9510 .policy = nl80211_policy,
9511 .flags = GENL_ADMIN_PERM,
9512 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
9513 NL80211_FLAG_NEED_RTNL,
9517 static struct genl_multicast_group nl80211_mlme_mcgrp = {
9521 /* multicast groups */
9522 static struct genl_multicast_group nl80211_config_mcgrp = {
9525 static struct genl_multicast_group nl80211_scan_mcgrp = {
9528 static struct genl_multicast_group nl80211_regulatory_mcgrp = {
9529 .name = "regulatory",
9532 /* notification functions */
9534 void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
9536 struct sk_buff *msg;
9537 struct nl80211_dump_wiphy_state state = {};
9539 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9543 if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
9548 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9549 nl80211_config_mcgrp.id, GFP_KERNEL);
9552 static int nl80211_add_scan_req(struct sk_buff *msg,
9553 struct cfg80211_registered_device *rdev)
9555 struct cfg80211_scan_request *req = rdev->scan_req;
9556 struct nlattr *nest;
9562 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
9564 goto nla_put_failure;
9565 for (i = 0; i < req->n_ssids; i++) {
9566 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
9567 goto nla_put_failure;
9569 nla_nest_end(msg, nest);
9571 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
9573 goto nla_put_failure;
9574 for (i = 0; i < req->n_channels; i++) {
9575 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
9576 goto nla_put_failure;
9578 nla_nest_end(msg, nest);
9581 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
9582 goto nla_put_failure;
9585 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags);
9592 static int nl80211_send_scan_msg(struct sk_buff *msg,
9593 struct cfg80211_registered_device *rdev,
9594 struct wireless_dev *wdev,
9595 u32 portid, u32 seq, int flags,
9600 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9604 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9605 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
9606 wdev->netdev->ifindex)) ||
9607 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
9608 goto nla_put_failure;
9610 /* ignore errors and send incomplete event anyway */
9611 nl80211_add_scan_req(msg, rdev);
9613 return genlmsg_end(msg, hdr);
9616 genlmsg_cancel(msg, hdr);
9621 nl80211_send_sched_scan_msg(struct sk_buff *msg,
9622 struct cfg80211_registered_device *rdev,
9623 struct net_device *netdev,
9624 u32 portid, u32 seq, int flags, u32 cmd)
9628 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
9632 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9633 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
9634 goto nla_put_failure;
9636 return genlmsg_end(msg, hdr);
9639 genlmsg_cancel(msg, hdr);
9643 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
9644 struct wireless_dev *wdev)
9646 struct sk_buff *msg;
9648 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9652 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9653 NL80211_CMD_TRIGGER_SCAN) < 0) {
9658 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9659 nl80211_scan_mcgrp.id, GFP_KERNEL);
9662 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
9663 struct wireless_dev *wdev)
9665 struct sk_buff *msg;
9667 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9671 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9672 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
9677 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9678 nl80211_scan_mcgrp.id, GFP_KERNEL);
9681 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
9682 struct wireless_dev *wdev)
9684 struct sk_buff *msg;
9686 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9690 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
9691 NL80211_CMD_SCAN_ABORTED) < 0) {
9696 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9697 nl80211_scan_mcgrp.id, GFP_KERNEL);
9700 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
9701 struct net_device *netdev)
9703 struct sk_buff *msg;
9705 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9709 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
9710 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
9715 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9716 nl80211_scan_mcgrp.id, GFP_KERNEL);
9719 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
9720 struct net_device *netdev, u32 cmd)
9722 struct sk_buff *msg;
9724 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9728 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
9733 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9734 nl80211_scan_mcgrp.id, GFP_KERNEL);
9738 * This can happen on global regulatory changes or device specific settings
9739 * based on custom world regulatory domains.
9741 void nl80211_send_reg_change_event(struct regulatory_request *request)
9743 struct sk_buff *msg;
9746 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9750 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_CHANGE);
9756 /* Userspace can always count this one always being set */
9757 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
9758 goto nla_put_failure;
9760 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
9761 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9762 NL80211_REGDOM_TYPE_WORLD))
9763 goto nla_put_failure;
9764 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
9765 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9766 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
9767 goto nla_put_failure;
9768 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
9769 request->intersect) {
9770 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9771 NL80211_REGDOM_TYPE_INTERSECTION))
9772 goto nla_put_failure;
9774 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
9775 NL80211_REGDOM_TYPE_COUNTRY) ||
9776 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
9778 goto nla_put_failure;
9781 if (request->wiphy_idx != WIPHY_IDX_INVALID &&
9782 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
9783 goto nla_put_failure;
9785 genlmsg_end(msg, hdr);
9788 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
9795 genlmsg_cancel(msg, hdr);
9799 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
9800 struct net_device *netdev,
9801 const u8 *buf, size_t len,
9802 enum nl80211_commands cmd, gfp_t gfp)
9804 struct sk_buff *msg;
9807 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9811 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9817 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9818 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9819 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
9820 goto nla_put_failure;
9822 genlmsg_end(msg, hdr);
9824 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9825 nl80211_mlme_mcgrp.id, gfp);
9829 genlmsg_cancel(msg, hdr);
9833 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
9834 struct net_device *netdev, const u8 *buf,
9835 size_t len, gfp_t gfp)
9837 nl80211_send_mlme_event(rdev, netdev, buf, len,
9838 NL80211_CMD_AUTHENTICATE, gfp);
9841 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
9842 struct net_device *netdev, const u8 *buf,
9843 size_t len, gfp_t gfp)
9845 nl80211_send_mlme_event(rdev, netdev, buf, len,
9846 NL80211_CMD_ASSOCIATE, gfp);
9849 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
9850 struct net_device *netdev, const u8 *buf,
9851 size_t len, gfp_t gfp)
9853 nl80211_send_mlme_event(rdev, netdev, buf, len,
9854 NL80211_CMD_DEAUTHENTICATE, gfp);
9857 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
9858 struct net_device *netdev, const u8 *buf,
9859 size_t len, gfp_t gfp)
9861 nl80211_send_mlme_event(rdev, netdev, buf, len,
9862 NL80211_CMD_DISASSOCIATE, gfp);
9865 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
9868 struct wireless_dev *wdev = dev->ieee80211_ptr;
9869 struct wiphy *wiphy = wdev->wiphy;
9870 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
9871 const struct ieee80211_mgmt *mgmt = (void *)buf;
9874 if (WARN_ON(len < 2))
9877 if (ieee80211_is_deauth(mgmt->frame_control))
9878 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
9880 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
9882 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
9883 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC);
9885 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
9887 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
9888 struct net_device *netdev, int cmd,
9889 const u8 *addr, gfp_t gfp)
9891 struct sk_buff *msg;
9894 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9898 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
9904 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9905 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9906 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
9907 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
9908 goto nla_put_failure;
9910 genlmsg_end(msg, hdr);
9912 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9913 nl80211_mlme_mcgrp.id, gfp);
9917 genlmsg_cancel(msg, hdr);
9921 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
9922 struct net_device *netdev, const u8 *addr,
9925 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
9929 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
9930 struct net_device *netdev, const u8 *addr,
9933 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
9937 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
9938 struct net_device *netdev, const u8 *bssid,
9939 const u8 *req_ie, size_t req_ie_len,
9940 const u8 *resp_ie, size_t resp_ie_len,
9941 u16 status, gfp_t gfp)
9943 struct sk_buff *msg;
9946 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9950 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
9956 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9957 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9958 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
9959 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status) ||
9961 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
9963 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
9964 goto nla_put_failure;
9966 genlmsg_end(msg, hdr);
9968 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
9969 nl80211_mlme_mcgrp.id, gfp);
9973 genlmsg_cancel(msg, hdr);
9978 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
9979 struct net_device *netdev, const u8 *bssid,
9980 const u8 *req_ie, size_t req_ie_len,
9981 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
9983 struct sk_buff *msg;
9986 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
9990 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
9996 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
9997 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
9998 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
10000 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
10002 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
10003 goto nla_put_failure;
10005 genlmsg_end(msg, hdr);
10007 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10008 nl80211_mlme_mcgrp.id, gfp);
10012 genlmsg_cancel(msg, hdr);
10017 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
10018 struct net_device *netdev, u16 reason,
10019 const u8 *ie, size_t ie_len, bool from_ap)
10021 struct sk_buff *msg;
10024 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10028 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
10034 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10035 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10036 (from_ap && reason &&
10037 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
10039 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
10040 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
10041 goto nla_put_failure;
10043 genlmsg_end(msg, hdr);
10045 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10046 nl80211_mlme_mcgrp.id, GFP_KERNEL);
10050 genlmsg_cancel(msg, hdr);
10055 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
10056 struct net_device *netdev, const u8 *bssid,
10059 struct sk_buff *msg;
10062 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10066 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
10072 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10073 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10074 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10075 goto nla_put_failure;
10077 genlmsg_end(msg, hdr);
10079 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10080 nl80211_mlme_mcgrp.id, gfp);
10084 genlmsg_cancel(msg, hdr);
10088 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
10089 const u8* ie, u8 ie_len, gfp_t gfp)
10091 struct wireless_dev *wdev = dev->ieee80211_ptr;
10092 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10093 struct sk_buff *msg;
10096 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
10099 trace_cfg80211_notify_new_peer_candidate(dev, addr);
10101 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10105 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
10111 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10112 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10113 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10115 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
10116 goto nla_put_failure;
10118 genlmsg_end(msg, hdr);
10120 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10121 nl80211_mlme_mcgrp.id, gfp);
10125 genlmsg_cancel(msg, hdr);
10128 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
10130 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
10131 struct net_device *netdev, const u8 *addr,
10132 enum nl80211_key_type key_type, int key_id,
10133 const u8 *tsc, gfp_t gfp)
10135 struct sk_buff *msg;
10138 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10142 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
10148 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10149 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10150 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
10151 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
10153 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
10154 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
10155 goto nla_put_failure;
10157 genlmsg_end(msg, hdr);
10159 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10160 nl80211_mlme_mcgrp.id, gfp);
10164 genlmsg_cancel(msg, hdr);
10168 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
10169 struct ieee80211_channel *channel_before,
10170 struct ieee80211_channel *channel_after)
10172 struct sk_buff *msg;
10174 struct nlattr *nl_freq;
10176 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
10180 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
10187 * Since we are applying the beacon hint to a wiphy we know its
10188 * wiphy_idx is valid
10190 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
10191 goto nla_put_failure;
10194 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
10196 goto nla_put_failure;
10197 if (nl80211_msg_put_channel(msg, channel_before, false))
10198 goto nla_put_failure;
10199 nla_nest_end(msg, nl_freq);
10202 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
10204 goto nla_put_failure;
10205 if (nl80211_msg_put_channel(msg, channel_after, false))
10206 goto nla_put_failure;
10207 nla_nest_end(msg, nl_freq);
10209 genlmsg_end(msg, hdr);
10212 genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
10219 genlmsg_cancel(msg, hdr);
10223 static void nl80211_send_remain_on_chan_event(
10224 int cmd, struct cfg80211_registered_device *rdev,
10225 struct wireless_dev *wdev, u64 cookie,
10226 struct ieee80211_channel *chan,
10227 unsigned int duration, gfp_t gfp)
10229 struct sk_buff *msg;
10232 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10236 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10242 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10243 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10244 wdev->netdev->ifindex)) ||
10245 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10246 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
10247 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
10248 NL80211_CHAN_NO_HT) ||
10249 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
10250 goto nla_put_failure;
10252 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
10253 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
10254 goto nla_put_failure;
10256 genlmsg_end(msg, hdr);
10258 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10259 nl80211_mlme_mcgrp.id, gfp);
10263 genlmsg_cancel(msg, hdr);
10267 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
10268 struct ieee80211_channel *chan,
10269 unsigned int duration, gfp_t gfp)
10271 struct wiphy *wiphy = wdev->wiphy;
10272 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10274 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
10275 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
10276 rdev, wdev, cookie, chan,
10279 EXPORT_SYMBOL(cfg80211_ready_on_channel);
10281 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
10282 struct ieee80211_channel *chan,
10285 struct wiphy *wiphy = wdev->wiphy;
10286 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10288 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
10289 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
10290 rdev, wdev, cookie, chan, 0, gfp);
10292 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
10294 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
10295 struct station_info *sinfo, gfp_t gfp)
10297 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10298 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10299 struct sk_buff *msg;
10301 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
10303 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10307 if (nl80211_send_station(msg, 0, 0, 0,
10308 rdev, dev, mac_addr, sinfo) < 0) {
10313 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10314 nl80211_mlme_mcgrp.id, gfp);
10316 EXPORT_SYMBOL(cfg80211_new_sta);
10318 void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp)
10320 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10321 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10322 struct sk_buff *msg;
10325 trace_cfg80211_del_sta(dev, mac_addr);
10327 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10331 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_STATION);
10337 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10338 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
10339 goto nla_put_failure;
10341 genlmsg_end(msg, hdr);
10343 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10344 nl80211_mlme_mcgrp.id, gfp);
10348 genlmsg_cancel(msg, hdr);
10351 EXPORT_SYMBOL(cfg80211_del_sta);
10353 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
10354 enum nl80211_connect_failed_reason reason,
10357 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
10358 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10359 struct sk_buff *msg;
10362 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10366 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
10372 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10373 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
10374 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
10375 goto nla_put_failure;
10377 genlmsg_end(msg, hdr);
10379 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10380 nl80211_mlme_mcgrp.id, gfp);
10384 genlmsg_cancel(msg, hdr);
10387 EXPORT_SYMBOL(cfg80211_conn_failed);
10389 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
10390 const u8 *addr, gfp_t gfp)
10392 struct wireless_dev *wdev = dev->ieee80211_ptr;
10393 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10394 struct sk_buff *msg;
10396 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
10401 msg = nlmsg_new(100, gfp);
10405 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
10411 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10412 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10413 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
10414 goto nla_put_failure;
10416 genlmsg_end(msg, hdr);
10417 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10421 genlmsg_cancel(msg, hdr);
10426 bool cfg80211_rx_spurious_frame(struct net_device *dev,
10427 const u8 *addr, gfp_t gfp)
10429 struct wireless_dev *wdev = dev->ieee80211_ptr;
10432 trace_cfg80211_rx_spurious_frame(dev, addr);
10434 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10435 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
10436 trace_cfg80211_return_bool(false);
10439 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
10441 trace_cfg80211_return_bool(ret);
10444 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
10446 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
10447 const u8 *addr, gfp_t gfp)
10449 struct wireless_dev *wdev = dev->ieee80211_ptr;
10452 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
10454 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10455 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10456 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
10457 trace_cfg80211_return_bool(false);
10460 ret = __nl80211_unexpected_frame(dev,
10461 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
10463 trace_cfg80211_return_bool(ret);
10466 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
10468 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
10469 struct wireless_dev *wdev, u32 nlportid,
10470 int freq, int sig_dbm,
10471 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
10473 struct net_device *netdev = wdev->netdev;
10474 struct sk_buff *msg;
10477 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10481 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10487 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10488 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10489 netdev->ifindex)) ||
10490 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10491 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
10493 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10494 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10496 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
10497 goto nla_put_failure;
10499 genlmsg_end(msg, hdr);
10501 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
10504 genlmsg_cancel(msg, hdr);
10509 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
10510 const u8 *buf, size_t len, bool ack, gfp_t gfp)
10512 struct wiphy *wiphy = wdev->wiphy;
10513 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10514 struct net_device *netdev = wdev->netdev;
10515 struct sk_buff *msg;
10518 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
10520 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10524 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
10530 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10531 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
10532 netdev->ifindex)) ||
10533 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
10534 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
10535 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10536 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
10537 goto nla_put_failure;
10539 genlmsg_end(msg, hdr);
10541 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10542 nl80211_mlme_mcgrp.id, gfp);
10546 genlmsg_cancel(msg, hdr);
10549 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
10551 void cfg80211_cqm_rssi_notify(struct net_device *dev,
10552 enum nl80211_cqm_rssi_threshold_event rssi_event,
10555 struct wireless_dev *wdev = dev->ieee80211_ptr;
10556 struct wiphy *wiphy = wdev->wiphy;
10557 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10558 struct sk_buff *msg;
10559 struct nlattr *pinfoattr;
10562 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
10564 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10568 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10574 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10575 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
10576 goto nla_put_failure;
10578 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10580 goto nla_put_failure;
10582 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
10584 goto nla_put_failure;
10586 nla_nest_end(msg, pinfoattr);
10588 genlmsg_end(msg, hdr);
10590 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10591 nl80211_mlme_mcgrp.id, gfp);
10595 genlmsg_cancel(msg, hdr);
10598 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
10600 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
10601 struct net_device *netdev, const u8 *bssid,
10602 const u8 *replay_ctr, gfp_t gfp)
10604 struct sk_buff *msg;
10605 struct nlattr *rekey_attr;
10608 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10612 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
10618 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10619 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10620 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
10621 goto nla_put_failure;
10623 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
10625 goto nla_put_failure;
10627 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
10628 NL80211_REPLAY_CTR_LEN, replay_ctr))
10629 goto nla_put_failure;
10631 nla_nest_end(msg, rekey_attr);
10633 genlmsg_end(msg, hdr);
10635 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10636 nl80211_mlme_mcgrp.id, gfp);
10640 genlmsg_cancel(msg, hdr);
10644 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
10645 const u8 *replay_ctr, gfp_t gfp)
10647 struct wireless_dev *wdev = dev->ieee80211_ptr;
10648 struct wiphy *wiphy = wdev->wiphy;
10649 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10651 trace_cfg80211_gtk_rekey_notify(dev, bssid);
10652 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
10654 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
10657 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
10658 struct net_device *netdev, int index,
10659 const u8 *bssid, bool preauth, gfp_t gfp)
10661 struct sk_buff *msg;
10662 struct nlattr *attr;
10665 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10669 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
10675 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10676 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10677 goto nla_put_failure;
10679 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
10681 goto nla_put_failure;
10683 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
10684 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
10686 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
10687 goto nla_put_failure;
10689 nla_nest_end(msg, attr);
10691 genlmsg_end(msg, hdr);
10693 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10694 nl80211_mlme_mcgrp.id, gfp);
10698 genlmsg_cancel(msg, hdr);
10702 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
10703 const u8 *bssid, bool preauth, gfp_t gfp)
10705 struct wireless_dev *wdev = dev->ieee80211_ptr;
10706 struct wiphy *wiphy = wdev->wiphy;
10707 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10709 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
10710 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
10712 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
10714 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
10715 struct net_device *netdev,
10716 struct cfg80211_chan_def *chandef,
10719 struct sk_buff *msg;
10722 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10726 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY);
10732 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
10733 goto nla_put_failure;
10735 if (nl80211_send_chandef(msg, chandef))
10736 goto nla_put_failure;
10738 genlmsg_end(msg, hdr);
10740 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10741 nl80211_mlme_mcgrp.id, gfp);
10745 genlmsg_cancel(msg, hdr);
10749 void cfg80211_ch_switch_notify(struct net_device *dev,
10750 struct cfg80211_chan_def *chandef)
10752 struct wireless_dev *wdev = dev->ieee80211_ptr;
10753 struct wiphy *wiphy = wdev->wiphy;
10754 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10756 trace_cfg80211_ch_switch_notify(dev, chandef);
10760 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
10761 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
10762 wdev->iftype != NL80211_IFTYPE_ADHOC))
10765 wdev->channel = chandef->chan;
10766 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
10771 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
10773 void cfg80211_cqm_txe_notify(struct net_device *dev,
10774 const u8 *peer, u32 num_packets,
10775 u32 rate, u32 intvl, gfp_t gfp)
10777 struct wireless_dev *wdev = dev->ieee80211_ptr;
10778 struct wiphy *wiphy = wdev->wiphy;
10779 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10780 struct sk_buff *msg;
10781 struct nlattr *pinfoattr;
10784 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
10788 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10794 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10795 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10796 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10797 goto nla_put_failure;
10799 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10801 goto nla_put_failure;
10803 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
10804 goto nla_put_failure;
10806 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
10807 goto nla_put_failure;
10809 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
10810 goto nla_put_failure;
10812 nla_nest_end(msg, pinfoattr);
10814 genlmsg_end(msg, hdr);
10816 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10817 nl80211_mlme_mcgrp.id, gfp);
10821 genlmsg_cancel(msg, hdr);
10824 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
10827 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
10828 struct cfg80211_chan_def *chandef,
10829 enum nl80211_radar_event event,
10830 struct net_device *netdev, gfp_t gfp)
10832 struct sk_buff *msg;
10835 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10839 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
10845 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
10846 goto nla_put_failure;
10848 /* NOP and radar events don't need a netdev parameter */
10850 struct wireless_dev *wdev = netdev->ieee80211_ptr;
10852 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
10853 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
10854 goto nla_put_failure;
10857 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
10858 goto nla_put_failure;
10860 if (nl80211_send_chandef(msg, chandef))
10861 goto nla_put_failure;
10863 genlmsg_end(msg, hdr);
10865 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10866 nl80211_mlme_mcgrp.id, gfp);
10870 genlmsg_cancel(msg, hdr);
10874 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
10875 const u8 *peer, u32 num_packets, gfp_t gfp)
10877 struct wireless_dev *wdev = dev->ieee80211_ptr;
10878 struct wiphy *wiphy = wdev->wiphy;
10879 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10880 struct sk_buff *msg;
10881 struct nlattr *pinfoattr;
10884 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
10886 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10890 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
10896 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10897 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10898 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer))
10899 goto nla_put_failure;
10901 pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
10903 goto nla_put_failure;
10905 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
10906 goto nla_put_failure;
10908 nla_nest_end(msg, pinfoattr);
10910 genlmsg_end(msg, hdr);
10912 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10913 nl80211_mlme_mcgrp.id, gfp);
10917 genlmsg_cancel(msg, hdr);
10920 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
10922 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
10923 u64 cookie, bool acked, gfp_t gfp)
10925 struct wireless_dev *wdev = dev->ieee80211_ptr;
10926 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
10927 struct sk_buff *msg;
10930 trace_cfg80211_probe_status(dev, addr, cookie, acked);
10932 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
10937 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
10943 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10944 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
10945 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10946 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
10947 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
10948 goto nla_put_failure;
10950 genlmsg_end(msg, hdr);
10952 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
10953 nl80211_mlme_mcgrp.id, gfp);
10957 genlmsg_cancel(msg, hdr);
10960 EXPORT_SYMBOL(cfg80211_probe_status);
10962 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
10963 const u8 *frame, size_t len,
10964 int freq, int sig_dbm)
10966 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
10967 struct sk_buff *msg;
10969 struct cfg80211_beacon_registration *reg;
10971 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
10973 spin_lock_bh(&rdev->beacon_registrations_lock);
10974 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
10975 msg = nlmsg_new(len + 100, GFP_ATOMIC);
10977 spin_unlock_bh(&rdev->beacon_registrations_lock);
10981 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
10983 goto nla_put_failure;
10985 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
10987 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
10989 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
10990 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
10991 goto nla_put_failure;
10993 genlmsg_end(msg, hdr);
10995 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
10997 spin_unlock_bh(&rdev->beacon_registrations_lock);
11001 spin_unlock_bh(&rdev->beacon_registrations_lock);
11003 genlmsg_cancel(msg, hdr);
11006 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
11009 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
11010 struct cfg80211_wowlan_wakeup *wakeup,
11013 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11014 struct sk_buff *msg;
11018 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
11021 size += wakeup->packet_present_len;
11023 msg = nlmsg_new(size, gfp);
11027 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
11031 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11032 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11035 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11036 wdev->netdev->ifindex))
11040 struct nlattr *reasons;
11042 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
11044 if (wakeup->disconnect &&
11045 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
11047 if (wakeup->magic_pkt &&
11048 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
11050 if (wakeup->gtk_rekey_failure &&
11051 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
11053 if (wakeup->eap_identity_req &&
11054 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
11056 if (wakeup->four_way_handshake &&
11057 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
11059 if (wakeup->rfkill_release &&
11060 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
11063 if (wakeup->pattern_idx >= 0 &&
11064 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
11065 wakeup->pattern_idx))
11068 if (wakeup->tcp_match)
11069 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH);
11071 if (wakeup->tcp_connlost)
11073 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST);
11075 if (wakeup->tcp_nomoretokens)
11077 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS);
11079 if (wakeup->packet) {
11080 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
11081 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
11083 if (!wakeup->packet_80211) {
11085 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
11087 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
11090 if (wakeup->packet_len &&
11091 nla_put_u32(msg, len_attr, wakeup->packet_len))
11094 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
11099 nla_nest_end(msg, reasons);
11102 genlmsg_end(msg, hdr);
11104 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
11105 nl80211_mlme_mcgrp.id, gfp);
11111 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
11114 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
11115 enum nl80211_tdls_operation oper,
11116 u16 reason_code, gfp_t gfp)
11118 struct wireless_dev *wdev = dev->ieee80211_ptr;
11119 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
11120 struct sk_buff *msg;
11123 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
11126 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11130 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
11136 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11137 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
11138 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
11139 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
11140 (reason_code > 0 &&
11141 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
11142 goto nla_put_failure;
11144 genlmsg_end(msg, hdr);
11146 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
11147 nl80211_mlme_mcgrp.id, gfp);
11151 genlmsg_cancel(msg, hdr);
11154 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
11156 static int nl80211_netlink_notify(struct notifier_block * nb,
11157 unsigned long state,
11160 struct netlink_notify *notify = _notify;
11161 struct cfg80211_registered_device *rdev;
11162 struct wireless_dev *wdev;
11163 struct cfg80211_beacon_registration *reg, *tmp;
11165 if (state != NETLINK_URELEASE)
11166 return NOTIFY_DONE;
11170 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
11171 list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
11172 cfg80211_mlme_unregister_socket(wdev, notify->portid);
11174 spin_lock_bh(&rdev->beacon_registrations_lock);
11175 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
11177 if (reg->nlportid == notify->portid) {
11178 list_del(®->list);
11183 spin_unlock_bh(&rdev->beacon_registrations_lock);
11188 return NOTIFY_DONE;
11191 static struct notifier_block nl80211_netlink_notifier = {
11192 .notifier_call = nl80211_netlink_notify,
11195 void cfg80211_ft_event(struct net_device *netdev,
11196 struct cfg80211_ft_event_params *ft_event)
11198 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
11199 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
11200 struct sk_buff *msg;
11203 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
11205 if (!ft_event->target_ap)
11208 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11212 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
11218 nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
11219 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
11220 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap);
11222 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies);
11223 if (ft_event->ric_ies)
11224 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
11225 ft_event->ric_ies);
11227 genlmsg_end(msg, hdr);
11229 genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
11230 nl80211_mlme_mcgrp.id, GFP_KERNEL);
11232 EXPORT_SYMBOL(cfg80211_ft_event);
11234 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
11236 struct cfg80211_registered_device *rdev;
11237 struct sk_buff *msg;
11241 rdev = wiphy_to_dev(wdev->wiphy);
11242 if (!rdev->crit_proto_nlportid)
11245 nlportid = rdev->crit_proto_nlportid;
11246 rdev->crit_proto_nlportid = 0;
11248 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11252 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
11254 goto nla_put_failure;
11256 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11257 nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
11258 goto nla_put_failure;
11260 genlmsg_end(msg, hdr);
11262 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
11267 genlmsg_cancel(msg, hdr);
11271 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
11273 /* initialisation/exit functions */
11275 int nl80211_init(void)
11279 err = genl_register_family_with_ops(&nl80211_fam,
11280 nl80211_ops, ARRAY_SIZE(nl80211_ops));
11284 err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp);
11288 err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp);
11292 err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp);
11296 err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp);
11300 #ifdef CONFIG_NL80211_TESTMODE
11301 err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp);
11306 err = netlink_register_notifier(&nl80211_netlink_notifier);
11312 genl_unregister_family(&nl80211_fam);
11316 void nl80211_exit(void)
11318 netlink_unregister_notifier(&nl80211_netlink_notifier);
11319 genl_unregister_family(&nl80211_fam);