2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright 2015-2016 Intel Deutschland GmbH
10 #include <linux/module.h>
11 #include <linux/err.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
14 #include <linux/if_ether.h>
15 #include <linux/ieee80211.h>
16 #include <linux/nl80211.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/netlink.h>
19 #include <linux/etherdevice.h>
20 #include <net/net_namespace.h>
21 #include <net/genetlink.h>
22 #include <net/cfg80211.h>
24 #include <net/inet_connection_sock.h>
30 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
31 struct genl_info *info,
32 struct cfg80211_crypto_settings *settings,
35 /* the netlink family */
36 static struct genl_family nl80211_fam;
38 /* multicast groups */
39 enum nl80211_multicast_groups {
42 NL80211_MCGRP_REGULATORY,
46 NL80211_MCGRP_TESTMODE /* keep last - ifdef! */
49 static const struct genl_multicast_group nl80211_mcgrps[] = {
50 [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG },
51 [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN },
52 [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG },
53 [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME },
54 [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR },
55 [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN },
56 #ifdef CONFIG_NL80211_TESTMODE
57 [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE }
61 /* returns ERR_PTR values */
62 static struct wireless_dev *
63 __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
65 struct cfg80211_registered_device *rdev;
66 struct wireless_dev *result = NULL;
67 bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
68 bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
75 if (!have_ifidx && !have_wdev_id)
76 return ERR_PTR(-EINVAL);
79 ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
81 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
82 wiphy_idx = wdev_id >> 32;
85 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
86 struct wireless_dev *wdev;
88 if (wiphy_net(&rdev->wiphy) != netns)
91 if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
94 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
95 if (have_ifidx && wdev->netdev &&
96 wdev->netdev->ifindex == ifidx) {
100 if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
112 return ERR_PTR(-ENODEV);
115 static struct cfg80211_registered_device *
116 __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
118 struct cfg80211_registered_device *rdev = NULL, *tmp;
119 struct net_device *netdev;
123 if (!attrs[NL80211_ATTR_WIPHY] &&
124 !attrs[NL80211_ATTR_IFINDEX] &&
125 !attrs[NL80211_ATTR_WDEV])
126 return ERR_PTR(-EINVAL);
128 if (attrs[NL80211_ATTR_WIPHY])
129 rdev = cfg80211_rdev_by_wiphy_idx(
130 nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
132 if (attrs[NL80211_ATTR_WDEV]) {
133 u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
134 struct wireless_dev *wdev;
137 tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
139 /* make sure wdev exists */
140 list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) {
141 if (wdev->identifier != (u32)wdev_id)
150 if (rdev && tmp != rdev)
151 return ERR_PTR(-EINVAL);
156 if (attrs[NL80211_ATTR_IFINDEX]) {
157 int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
159 netdev = __dev_get_by_index(netns, ifindex);
161 if (netdev->ieee80211_ptr)
163 netdev->ieee80211_ptr->wiphy);
167 /* not wireless device -- return error */
169 return ERR_PTR(-EINVAL);
171 /* mismatch -- return error */
172 if (rdev && tmp != rdev)
173 return ERR_PTR(-EINVAL);
180 return ERR_PTR(-ENODEV);
182 if (netns != wiphy_net(&rdev->wiphy))
183 return ERR_PTR(-ENODEV);
189 * This function returns a pointer to the driver
190 * that the genl_info item that is passed refers to.
192 * The result of this can be a PTR_ERR and hence must
193 * be checked with IS_ERR() for errors.
195 static struct cfg80211_registered_device *
196 cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
198 return __cfg80211_rdev_from_attrs(netns, info->attrs);
201 /* policy for the attributes */
202 static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
203 [NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
204 [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
206 [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
208 [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
209 [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 },
210 [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
211 [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
212 [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
214 [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 },
215 [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 },
216 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 },
217 [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 },
218 [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 },
219 [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG },
221 [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
222 [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
223 [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
225 [NL80211_ATTR_MAC] = { .len = ETH_ALEN },
226 [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN },
228 [NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
229 [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
230 .len = WLAN_MAX_KEY_LEN },
231 [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
232 [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
233 [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
234 [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
235 [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 },
237 [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
238 [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
239 [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
240 .len = IEEE80211_MAX_DATA_LEN },
241 [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
242 .len = IEEE80211_MAX_DATA_LEN },
243 [NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
244 [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
245 [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
246 [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
247 .len = NL80211_MAX_SUPP_RATES },
248 [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
249 [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
250 [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
251 [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
252 .len = IEEE80211_MAX_MESH_ID_LEN },
253 [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
255 [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
256 [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
258 [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 },
259 [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 },
260 [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 },
261 [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY,
262 .len = NL80211_MAX_SUPP_RATES },
263 [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
265 [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
266 [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
268 [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
270 [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
271 [NL80211_ATTR_IE] = { .type = NLA_BINARY,
272 .len = IEEE80211_MAX_DATA_LEN },
273 [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED },
274 [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED },
276 [NL80211_ATTR_SSID] = { .type = NLA_BINARY,
277 .len = IEEE80211_MAX_SSID_LEN },
278 [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 },
279 [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 },
280 [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG },
281 [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG },
282 [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 },
283 [NL80211_ATTR_STA_FLAGS2] = {
284 .len = sizeof(struct nl80211_sta_flag_update),
286 [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
287 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
288 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
289 [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
290 [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
291 [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
292 [NL80211_ATTR_PID] = { .type = NLA_U32 },
293 [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
294 [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
295 .len = WLAN_PMKID_LEN },
296 [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
297 [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
298 [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
299 [NL80211_ATTR_FRAME] = { .type = NLA_BINARY,
300 .len = IEEE80211_MAX_DATA_LEN },
301 [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, },
302 [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 },
303 [NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
304 [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
305 [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
306 [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
307 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
308 [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
309 [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
310 [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
311 [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
312 [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
313 [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
314 [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
315 [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
316 [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
317 [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
318 [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
319 [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 },
320 [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY,
321 .len = IEEE80211_MAX_DATA_LEN },
322 [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY,
323 .len = IEEE80211_MAX_DATA_LEN },
324 [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG },
325 [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED },
326 [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG },
327 [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 },
328 [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 },
329 [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 },
330 [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG },
331 [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG },
332 [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG },
333 [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG },
334 [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY,
335 .len = IEEE80211_MAX_DATA_LEN },
336 [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 },
337 [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG },
338 [NL80211_ATTR_HT_CAPABILITY_MASK] = {
339 .len = NL80211_HT_CAPABILITY_LEN
341 [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
342 [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
343 [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
344 [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
345 [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
346 [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
347 [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
348 [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
349 [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
350 [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
351 [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
352 [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
353 [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
354 [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, },
355 [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, },
356 [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG },
357 [NL80211_ATTR_VHT_CAPABILITY_MASK] = {
358 .len = NL80211_VHT_CAPABILITY_LEN,
360 [NL80211_ATTR_MDID] = { .type = NLA_U16 },
361 [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
362 .len = IEEE80211_MAX_DATA_LEN },
363 [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
364 [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
365 [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
366 [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
367 [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
368 [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
369 [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
370 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
371 [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
372 [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 },
373 [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 },
374 [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
375 [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
376 [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
377 .len = IEEE80211_QOS_MAP_LEN_MAX },
378 [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
379 [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
380 [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
381 [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
382 [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
383 [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG },
384 [NL80211_ATTR_TSID] = { .type = NLA_U8 },
385 [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
386 [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
387 [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
388 [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
389 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
390 [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
391 [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
392 [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
393 [NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
394 [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
395 [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 },
396 [NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
397 .len = VHT_MUMIMO_GROUPS_DATA_LEN
399 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN },
400 [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 },
401 [NL80211_ATTR_NAN_DUAL] = { .type = NLA_U8 },
402 [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
403 [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
404 .len = FILS_MAX_KEK_LEN },
405 [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN },
406 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
407 [NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
410 /* policy for the key attributes */
411 static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = {
412 [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN },
413 [NL80211_KEY_IDX] = { .type = NLA_U8 },
414 [NL80211_KEY_CIPHER] = { .type = NLA_U32 },
415 [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 },
416 [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG },
417 [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG },
418 [NL80211_KEY_TYPE] = { .type = NLA_U32 },
419 [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
422 /* policy for the key default flags */
423 static const struct nla_policy
424 nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = {
425 [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG },
426 [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG },
430 /* policy for WoWLAN attributes */
431 static const struct nla_policy
432 nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
433 [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG },
434 [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG },
435 [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG },
436 [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
437 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG },
438 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG },
439 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG },
440 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG },
441 [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED },
442 [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED },
445 static const struct nla_policy
446 nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
447 [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
448 [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
449 [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN },
450 [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
451 [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
452 [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 },
453 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
454 .len = sizeof(struct nl80211_wowlan_tcp_data_seq)
456 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = {
457 .len = sizeof(struct nl80211_wowlan_tcp_data_token)
459 [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
460 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 },
461 [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 },
463 #endif /* CONFIG_PM */
465 /* policy for coalesce rule attributes */
466 static const struct nla_policy
467 nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
468 [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 },
469 [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 },
470 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED },
473 /* policy for GTK rekey offload attributes */
474 static const struct nla_policy
475 nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
476 [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
477 [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
478 [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
481 static const struct nla_policy
482 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
483 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
484 .len = IEEE80211_MAX_SSID_LEN },
485 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
488 static const struct nla_policy
489 nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
490 [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 },
491 [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
494 static const struct nla_policy
495 nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
496 [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
497 [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
498 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
499 .len = sizeof(struct nl80211_bss_select_rssi_adjust)
503 /* policy for NAN function attributes */
504 static const struct nla_policy
505 nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
506 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
507 [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY,
508 .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
509 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
510 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
511 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
512 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
513 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
514 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN },
515 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
516 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
517 [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
518 .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN },
519 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
520 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
521 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
522 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 },
523 [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 },
526 /* policy for Service Response Filter attributes */
527 static const struct nla_policy
528 nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = {
529 [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG },
530 [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY,
531 .len = NL80211_NAN_FUNC_SRF_MAX_LEN },
532 [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 },
533 [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
536 static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
537 struct netlink_callback *cb,
538 struct cfg80211_registered_device **rdev,
539 struct wireless_dev **wdev)
546 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
547 genl_family_attrbuf(&nl80211_fam),
548 nl80211_fam.maxattr, nl80211_policy);
552 *wdev = __cfg80211_wdev_from_attrs(
554 genl_family_attrbuf(&nl80211_fam));
556 err = PTR_ERR(*wdev);
559 *rdev = wiphy_to_rdev((*wdev)->wiphy);
560 /* 0 is the first index - add 1 to parse only once */
561 cb->args[0] = (*rdev)->wiphy_idx + 1;
562 cb->args[1] = (*wdev)->identifier;
564 /* subtract the 1 again here */
565 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
566 struct wireless_dev *tmp;
572 *rdev = wiphy_to_rdev(wiphy);
575 list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) {
576 if (tmp->identifier == cb->args[1]) {
594 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
600 static bool is_valid_ie_attr(const struct nlattr *attr)
608 pos = nla_data(attr);
629 /* message building helper */
630 static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
633 /* since there is no private header just add the generic one */
634 return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd);
637 static int nl80211_msg_put_channel(struct sk_buff *msg,
638 struct ieee80211_channel *chan,
641 /* Some channels must be completely excluded from the
642 * list to protect old user-space tools from breaking
644 if (!large && chan->flags &
645 (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ))
648 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ,
650 goto nla_put_failure;
652 if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
653 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
654 goto nla_put_failure;
655 if (chan->flags & IEEE80211_CHAN_NO_IR) {
656 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR))
657 goto nla_put_failure;
658 if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS))
659 goto nla_put_failure;
661 if (chan->flags & IEEE80211_CHAN_RADAR) {
662 if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
663 goto nla_put_failure;
667 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
669 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
671 goto nla_put_failure;
672 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME,
674 goto nla_put_failure;
676 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME,
678 goto nla_put_failure;
683 if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
684 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
685 goto nla_put_failure;
686 if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) &&
687 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS))
688 goto nla_put_failure;
689 if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) &&
690 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ))
691 goto nla_put_failure;
692 if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) &&
693 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ))
694 goto nla_put_failure;
695 if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) &&
696 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY))
697 goto nla_put_failure;
698 if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) &&
699 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT))
700 goto nla_put_failure;
701 if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) &&
702 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ))
703 goto nla_put_failure;
704 if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) &&
705 nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ))
706 goto nla_put_failure;
709 if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
710 DBM_TO_MBM(chan->max_power)))
711 goto nla_put_failure;
719 /* netlink command implementations */
726 bool def_uni, def_multi;
729 static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k)
731 struct nlattr *tb[NL80211_KEY_MAX + 1];
732 int err = nla_parse_nested(tb, NL80211_KEY_MAX, key,
737 k->def = !!tb[NL80211_KEY_DEFAULT];
738 k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT];
747 if (tb[NL80211_KEY_IDX])
748 k->idx = nla_get_u8(tb[NL80211_KEY_IDX]);
750 if (tb[NL80211_KEY_DATA]) {
751 k->p.key = nla_data(tb[NL80211_KEY_DATA]);
752 k->p.key_len = nla_len(tb[NL80211_KEY_DATA]);
755 if (tb[NL80211_KEY_SEQ]) {
756 k->p.seq = nla_data(tb[NL80211_KEY_SEQ]);
757 k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]);
760 if (tb[NL80211_KEY_CIPHER])
761 k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]);
763 if (tb[NL80211_KEY_TYPE]) {
764 k->type = nla_get_u32(tb[NL80211_KEY_TYPE]);
765 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
769 if (tb[NL80211_KEY_DEFAULT_TYPES]) {
770 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
772 err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
773 tb[NL80211_KEY_DEFAULT_TYPES],
774 nl80211_key_default_policy);
778 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
779 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
785 static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k)
787 if (info->attrs[NL80211_ATTR_KEY_DATA]) {
788 k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
789 k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
792 if (info->attrs[NL80211_ATTR_KEY_SEQ]) {
793 k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]);
794 k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]);
797 if (info->attrs[NL80211_ATTR_KEY_IDX])
798 k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
800 if (info->attrs[NL80211_ATTR_KEY_CIPHER])
801 k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
803 k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT];
804 k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT];
813 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
814 k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
815 if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES)
819 if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) {
820 struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES];
821 int err = nla_parse_nested(
822 kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1,
823 info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES],
824 nl80211_key_default_policy);
828 k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST];
829 k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST];
835 static int nl80211_parse_key(struct genl_info *info, struct key_parse *k)
839 memset(k, 0, sizeof(*k));
843 if (info->attrs[NL80211_ATTR_KEY])
844 err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k);
846 err = nl80211_parse_key_old(info, k);
851 if (k->def && k->defmgmt)
855 if (k->def_uni || !k->def_multi)
861 if (k->idx < 4 || k->idx > 5)
864 if (k->idx < 0 || k->idx > 3)
867 if (k->idx < 0 || k->idx > 5)
875 static struct cfg80211_cached_keys *
876 nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
877 struct nlattr *keys, bool *no_ht)
879 struct key_parse parse;
881 struct cfg80211_cached_keys *result;
882 int rem, err, def = 0;
883 bool have_key = false;
885 nla_for_each_nested(key, keys, rem) {
893 result = kzalloc(sizeof(*result), GFP_KERNEL);
895 return ERR_PTR(-ENOMEM);
899 nla_for_each_nested(key, keys, rem) {
900 memset(&parse, 0, sizeof(parse));
903 err = nl80211_parse_key_new(key, &parse);
909 if (parse.idx < 0 || parse.idx > 3)
915 result->def = parse.idx;
916 if (!parse.def_uni || !parse.def_multi)
918 } else if (parse.defmgmt)
920 err = cfg80211_validate_key_settings(rdev, &parse.p,
921 parse.idx, false, NULL);
924 if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 &&
925 parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) {
929 result->params[parse.idx].cipher = parse.p.cipher;
930 result->params[parse.idx].key_len = parse.p.key_len;
931 result->params[parse.idx].key = result->data[parse.idx];
932 memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len);
934 /* must be WEP key if we got here */
939 if (result->def < 0) {
950 static int nl80211_key_allowed(struct wireless_dev *wdev)
952 ASSERT_WDEV_LOCK(wdev);
954 switch (wdev->iftype) {
955 case NL80211_IFTYPE_AP:
956 case NL80211_IFTYPE_AP_VLAN:
957 case NL80211_IFTYPE_P2P_GO:
958 case NL80211_IFTYPE_MESH_POINT:
960 case NL80211_IFTYPE_ADHOC:
961 case NL80211_IFTYPE_STATION:
962 case NL80211_IFTYPE_P2P_CLIENT:
963 if (!wdev->current_bss)
966 case NL80211_IFTYPE_UNSPECIFIED:
967 case NL80211_IFTYPE_OCB:
968 case NL80211_IFTYPE_MONITOR:
969 case NL80211_IFTYPE_NAN:
970 case NL80211_IFTYPE_P2P_DEVICE:
971 case NL80211_IFTYPE_WDS:
972 case NUM_NL80211_IFTYPES:
979 static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
982 struct ieee80211_channel *chan;
986 chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
987 if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
992 static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
994 struct nlattr *nl_modes = nla_nest_start(msg, attr);
998 goto nla_put_failure;
1002 if ((ifmodes & 1) && nla_put_flag(msg, i))
1003 goto nla_put_failure;
1008 nla_nest_end(msg, nl_modes);
1015 static int nl80211_put_iface_combinations(struct wiphy *wiphy,
1016 struct sk_buff *msg,
1019 struct nlattr *nl_combis;
1022 nl_combis = nla_nest_start(msg,
1023 NL80211_ATTR_INTERFACE_COMBINATIONS);
1025 goto nla_put_failure;
1027 for (i = 0; i < wiphy->n_iface_combinations; i++) {
1028 const struct ieee80211_iface_combination *c;
1029 struct nlattr *nl_combi, *nl_limits;
1031 c = &wiphy->iface_combinations[i];
1033 nl_combi = nla_nest_start(msg, i + 1);
1035 goto nla_put_failure;
1037 nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS);
1039 goto nla_put_failure;
1041 for (j = 0; j < c->n_limits; j++) {
1042 struct nlattr *nl_limit;
1044 nl_limit = nla_nest_start(msg, j + 1);
1046 goto nla_put_failure;
1047 if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX,
1049 goto nla_put_failure;
1050 if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES,
1051 c->limits[j].types))
1052 goto nla_put_failure;
1053 nla_nest_end(msg, nl_limit);
1056 nla_nest_end(msg, nl_limits);
1058 if (c->beacon_int_infra_match &&
1059 nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH))
1060 goto nla_put_failure;
1061 if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS,
1062 c->num_different_channels) ||
1063 nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
1065 goto nla_put_failure;
1067 (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
1068 c->radar_detect_widths) ||
1069 nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
1070 c->radar_detect_regions)))
1071 goto nla_put_failure;
1072 if (c->beacon_int_min_gcd &&
1073 nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD,
1074 c->beacon_int_min_gcd))
1075 goto nla_put_failure;
1077 nla_nest_end(msg, nl_combi);
1080 nla_nest_end(msg, nl_combis);
1088 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
1089 struct sk_buff *msg)
1091 const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp;
1092 struct nlattr *nl_tcp;
1097 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
1101 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1102 tcp->data_payload_max))
1105 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
1106 tcp->data_payload_max))
1109 if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
1112 if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
1113 sizeof(*tcp->tok), tcp->tok))
1116 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
1117 tcp->data_interval_max))
1120 if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
1121 tcp->wake_payload_max))
1124 nla_nest_end(msg, nl_tcp);
1128 static int nl80211_send_wowlan(struct sk_buff *msg,
1129 struct cfg80211_registered_device *rdev,
1132 struct nlattr *nl_wowlan;
1134 if (!rdev->wiphy.wowlan)
1137 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED);
1141 if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) &&
1142 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
1143 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) &&
1144 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
1145 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) &&
1146 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
1147 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) &&
1148 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) ||
1149 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) &&
1150 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
1151 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) &&
1152 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
1153 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) &&
1154 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
1155 ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) &&
1156 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
1159 if (rdev->wiphy.wowlan->n_patterns) {
1160 struct nl80211_pattern_support pat = {
1161 .max_patterns = rdev->wiphy.wowlan->n_patterns,
1162 .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len,
1163 .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len,
1164 .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset,
1167 if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
1172 if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) &&
1173 nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT,
1174 rdev->wiphy.wowlan->max_nd_match_sets))
1177 if (large && nl80211_send_wowlan_tcp_caps(rdev, msg))
1180 nla_nest_end(msg, nl_wowlan);
1186 static int nl80211_send_coalesce(struct sk_buff *msg,
1187 struct cfg80211_registered_device *rdev)
1189 struct nl80211_coalesce_rule_support rule;
1191 if (!rdev->wiphy.coalesce)
1194 rule.max_rules = rdev->wiphy.coalesce->n_rules;
1195 rule.max_delay = rdev->wiphy.coalesce->max_delay;
1196 rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns;
1197 rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len;
1198 rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len;
1199 rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset;
1201 if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule))
1207 static int nl80211_send_band_rateinfo(struct sk_buff *msg,
1208 struct ieee80211_supported_band *sband)
1210 struct nlattr *nl_rates, *nl_rate;
1211 struct ieee80211_rate *rate;
1215 if (sband->ht_cap.ht_supported &&
1216 (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET,
1217 sizeof(sband->ht_cap.mcs),
1218 &sband->ht_cap.mcs) ||
1219 nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA,
1220 sband->ht_cap.cap) ||
1221 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR,
1222 sband->ht_cap.ampdu_factor) ||
1223 nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY,
1224 sband->ht_cap.ampdu_density)))
1228 if (sband->vht_cap.vht_supported &&
1229 (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
1230 sizeof(sband->vht_cap.vht_mcs),
1231 &sband->vht_cap.vht_mcs) ||
1232 nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
1233 sband->vht_cap.cap)))
1237 nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
1241 for (i = 0; i < sband->n_bitrates; i++) {
1242 nl_rate = nla_nest_start(msg, i);
1246 rate = &sband->bitrates[i];
1247 if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE,
1250 if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
1252 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE))
1255 nla_nest_end(msg, nl_rate);
1258 nla_nest_end(msg, nl_rates);
1264 nl80211_send_mgmt_stypes(struct sk_buff *msg,
1265 const struct ieee80211_txrx_stypes *mgmt_stypes)
1268 struct nlattr *nl_ftypes, *nl_ifs;
1269 enum nl80211_iftype ift;
1275 nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES);
1279 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1280 nl_ftypes = nla_nest_start(msg, ift);
1284 stypes = mgmt_stypes[ift].tx;
1287 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1288 (i << 4) | IEEE80211_FTYPE_MGMT))
1293 nla_nest_end(msg, nl_ftypes);
1296 nla_nest_end(msg, nl_ifs);
1298 nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES);
1302 for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) {
1303 nl_ftypes = nla_nest_start(msg, ift);
1307 stypes = mgmt_stypes[ift].rx;
1310 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE,
1311 (i << 4) | IEEE80211_FTYPE_MGMT))
1316 nla_nest_end(msg, nl_ftypes);
1318 nla_nest_end(msg, nl_ifs);
1323 #define CMD(op, n) \
1325 if (rdev->ops->op) { \
1327 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1328 goto nla_put_failure; \
1332 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev,
1333 struct sk_buff *msg)
1338 * do *NOT* add anything into this function, new things need to be
1339 * advertised only to new versions of userspace that can deal with
1340 * the split (and they can't possibly care about new features...
1342 CMD(add_virtual_intf, NEW_INTERFACE);
1343 CMD(change_virtual_intf, SET_INTERFACE);
1344 CMD(add_key, NEW_KEY);
1345 CMD(start_ap, START_AP);
1346 CMD(add_station, NEW_STATION);
1347 CMD(add_mpath, NEW_MPATH);
1348 CMD(update_mesh_config, SET_MESH_CONFIG);
1349 CMD(change_bss, SET_BSS);
1350 CMD(auth, AUTHENTICATE);
1351 CMD(assoc, ASSOCIATE);
1352 CMD(deauth, DEAUTHENTICATE);
1353 CMD(disassoc, DISASSOCIATE);
1354 CMD(join_ibss, JOIN_IBSS);
1355 CMD(join_mesh, JOIN_MESH);
1356 CMD(set_pmksa, SET_PMKSA);
1357 CMD(del_pmksa, DEL_PMKSA);
1358 CMD(flush_pmksa, FLUSH_PMKSA);
1359 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)
1360 CMD(remain_on_channel, REMAIN_ON_CHANNEL);
1361 CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
1362 CMD(mgmt_tx, FRAME);
1363 CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
1364 if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
1366 if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS))
1367 goto nla_put_failure;
1369 if (rdev->ops->set_monitor_channel || rdev->ops->start_ap ||
1370 rdev->ops->join_mesh) {
1372 if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL))
1373 goto nla_put_failure;
1375 CMD(set_wds_peer, SET_WDS_PEER);
1376 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) {
1377 CMD(tdls_mgmt, TDLS_MGMT);
1378 CMD(tdls_oper, TDLS_OPER);
1380 if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
1381 CMD(sched_scan_start, START_SCHED_SCAN);
1382 CMD(probe_client, PROBE_CLIENT);
1383 CMD(set_noack_map, SET_NOACK_MAP);
1384 if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) {
1386 if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
1387 goto nla_put_failure;
1389 CMD(start_p2p_device, START_P2P_DEVICE);
1390 CMD(set_mcast_rate, SET_MCAST_RATE);
1391 #ifdef CONFIG_NL80211_TESTMODE
1392 CMD(testmode_cmd, TESTMODE);
1395 if (rdev->ops->connect || rdev->ops->auth) {
1397 if (nla_put_u32(msg, i, NL80211_CMD_CONNECT))
1398 goto nla_put_failure;
1401 if (rdev->ops->disconnect || rdev->ops->deauth) {
1403 if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT))
1404 goto nla_put_failure;
1412 struct nl80211_dump_wiphy_state {
1415 long split_start, band_start, chan_start, capa_start;
1419 static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
1420 enum nl80211_commands cmd,
1421 struct sk_buff *msg, u32 portid, u32 seq,
1422 int flags, struct nl80211_dump_wiphy_state *state)
1425 struct nlattr *nl_bands, *nl_band;
1426 struct nlattr *nl_freqs, *nl_freq;
1427 struct nlattr *nl_cmds;
1428 enum nl80211_band band;
1429 struct ieee80211_channel *chan;
1431 const struct ieee80211_txrx_stypes *mgmt_stypes =
1432 rdev->wiphy.mgmt_stypes;
1435 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
1439 if (WARN_ON(!state))
1442 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
1443 nla_put_string(msg, NL80211_ATTR_WIPHY_NAME,
1444 wiphy_name(&rdev->wiphy)) ||
1445 nla_put_u32(msg, NL80211_ATTR_GENERATION,
1446 cfg80211_rdev_list_generation))
1447 goto nla_put_failure;
1449 if (cmd != NL80211_CMD_NEW_WIPHY)
1452 switch (state->split_start) {
1454 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
1455 rdev->wiphy.retry_short) ||
1456 nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG,
1457 rdev->wiphy.retry_long) ||
1458 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
1459 rdev->wiphy.frag_threshold) ||
1460 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD,
1461 rdev->wiphy.rts_threshold) ||
1462 nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS,
1463 rdev->wiphy.coverage_class) ||
1464 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
1465 rdev->wiphy.max_scan_ssids) ||
1466 nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS,
1467 rdev->wiphy.max_sched_scan_ssids) ||
1468 nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN,
1469 rdev->wiphy.max_scan_ie_len) ||
1470 nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN,
1471 rdev->wiphy.max_sched_scan_ie_len) ||
1472 nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS,
1473 rdev->wiphy.max_match_sets) ||
1474 nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS,
1475 rdev->wiphy.max_sched_scan_plans) ||
1476 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL,
1477 rdev->wiphy.max_sched_scan_plan_interval) ||
1478 nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
1479 rdev->wiphy.max_sched_scan_plan_iterations))
1480 goto nla_put_failure;
1482 if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) &&
1483 nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN))
1484 goto nla_put_failure;
1485 if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
1486 nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH))
1487 goto nla_put_failure;
1488 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) &&
1489 nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD))
1490 goto nla_put_failure;
1491 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) &&
1492 nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT))
1493 goto nla_put_failure;
1494 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) &&
1495 nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT))
1496 goto nla_put_failure;
1497 if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) &&
1498 nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP))
1499 goto nla_put_failure;
1500 state->split_start++;
1504 if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES,
1505 sizeof(u32) * rdev->wiphy.n_cipher_suites,
1506 rdev->wiphy.cipher_suites))
1507 goto nla_put_failure;
1509 if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS,
1510 rdev->wiphy.max_num_pmkids))
1511 goto nla_put_failure;
1513 if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
1514 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE))
1515 goto nla_put_failure;
1517 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX,
1518 rdev->wiphy.available_antennas_tx) ||
1519 nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX,
1520 rdev->wiphy.available_antennas_rx))
1521 goto nla_put_failure;
1523 if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) &&
1524 nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD,
1525 rdev->wiphy.probe_resp_offload))
1526 goto nla_put_failure;
1528 if ((rdev->wiphy.available_antennas_tx ||
1529 rdev->wiphy.available_antennas_rx) &&
1530 rdev->ops->get_antenna) {
1531 u32 tx_ant = 0, rx_ant = 0;
1534 res = rdev_get_antenna(rdev, &tx_ant, &rx_ant);
1536 if (nla_put_u32(msg,
1537 NL80211_ATTR_WIPHY_ANTENNA_TX,
1540 NL80211_ATTR_WIPHY_ANTENNA_RX,
1542 goto nla_put_failure;
1546 state->split_start++;
1550 if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES,
1551 rdev->wiphy.interface_modes))
1552 goto nla_put_failure;
1553 state->split_start++;
1557 nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
1559 goto nla_put_failure;
1561 for (band = state->band_start;
1562 band < NUM_NL80211_BANDS; band++) {
1563 struct ieee80211_supported_band *sband;
1565 sband = rdev->wiphy.bands[band];
1570 nl_band = nla_nest_start(msg, band);
1572 goto nla_put_failure;
1574 switch (state->chan_start) {
1576 if (nl80211_send_band_rateinfo(msg, sband))
1577 goto nla_put_failure;
1578 state->chan_start++;
1582 /* add frequencies */
1583 nl_freqs = nla_nest_start(
1584 msg, NL80211_BAND_ATTR_FREQS);
1586 goto nla_put_failure;
1588 for (i = state->chan_start - 1;
1589 i < sband->n_channels;
1591 nl_freq = nla_nest_start(msg, i);
1593 goto nla_put_failure;
1595 chan = &sband->channels[i];
1597 if (nl80211_msg_put_channel(
1600 goto nla_put_failure;
1602 nla_nest_end(msg, nl_freq);
1606 if (i < sband->n_channels)
1607 state->chan_start = i + 2;
1609 state->chan_start = 0;
1610 nla_nest_end(msg, nl_freqs);
1613 nla_nest_end(msg, nl_band);
1616 /* start again here */
1617 if (state->chan_start)
1622 nla_nest_end(msg, nl_bands);
1624 if (band < NUM_NL80211_BANDS)
1625 state->band_start = band + 1;
1627 state->band_start = 0;
1629 /* if bands & channels are done, continue outside */
1630 if (state->band_start == 0 && state->chan_start == 0)
1631 state->split_start++;
1635 nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS);
1637 goto nla_put_failure;
1639 i = nl80211_add_commands_unsplit(rdev, msg);
1641 goto nla_put_failure;
1643 CMD(crit_proto_start, CRIT_PROTOCOL_START);
1644 CMD(crit_proto_stop, CRIT_PROTOCOL_STOP);
1645 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)
1646 CMD(channel_switch, CHANNEL_SWITCH);
1647 CMD(set_qos_map, SET_QOS_MAP);
1648 if (rdev->wiphy.features &
1649 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
1650 CMD(add_tx_ts, ADD_TX_TS);
1651 CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST);
1652 CMD(update_connect_params, UPDATE_CONNECT_PARAMS);
1656 nla_nest_end(msg, nl_cmds);
1657 state->split_start++;
1661 if (rdev->ops->remain_on_channel &&
1662 (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) &&
1664 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION,
1665 rdev->wiphy.max_remain_on_channel_duration))
1666 goto nla_put_failure;
1668 if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) &&
1669 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
1670 goto nla_put_failure;
1672 if (nl80211_send_mgmt_stypes(msg, mgmt_stypes))
1673 goto nla_put_failure;
1674 state->split_start++;
1679 if (nl80211_send_wowlan(msg, rdev, state->split))
1680 goto nla_put_failure;
1681 state->split_start++;
1685 state->split_start++;
1688 if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
1689 rdev->wiphy.software_iftypes))
1690 goto nla_put_failure;
1692 if (nl80211_put_iface_combinations(&rdev->wiphy, msg,
1694 goto nla_put_failure;
1696 state->split_start++;
1700 if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) &&
1701 nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME,
1702 rdev->wiphy.ap_sme_capa))
1703 goto nla_put_failure;
1705 features = rdev->wiphy.features;
1707 * We can only add the per-channel limit information if the
1708 * dump is split, otherwise it makes it too big. Therefore
1709 * only advertise it in that case.
1712 features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS;
1713 if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features))
1714 goto nla_put_failure;
1716 if (rdev->wiphy.ht_capa_mod_mask &&
1717 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK,
1718 sizeof(*rdev->wiphy.ht_capa_mod_mask),
1719 rdev->wiphy.ht_capa_mod_mask))
1720 goto nla_put_failure;
1722 if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME &&
1723 rdev->wiphy.max_acl_mac_addrs &&
1724 nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX,
1725 rdev->wiphy.max_acl_mac_addrs))
1726 goto nla_put_failure;
1729 * Any information below this point is only available to
1730 * applications that can deal with it being split. This
1731 * helps ensure that newly added capabilities don't break
1732 * older tools by overrunning their buffers.
1734 * We still increment split_start so that in the split
1735 * case we'll continue with more data in the next round,
1736 * but break unconditionally so unsplit data stops here.
1738 state->split_start++;
1741 if (rdev->wiphy.extended_capabilities &&
1742 (nla_put(msg, NL80211_ATTR_EXT_CAPA,
1743 rdev->wiphy.extended_capabilities_len,
1744 rdev->wiphy.extended_capabilities) ||
1745 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1746 rdev->wiphy.extended_capabilities_len,
1747 rdev->wiphy.extended_capabilities_mask)))
1748 goto nla_put_failure;
1750 if (rdev->wiphy.vht_capa_mod_mask &&
1751 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK,
1752 sizeof(*rdev->wiphy.vht_capa_mod_mask),
1753 rdev->wiphy.vht_capa_mod_mask))
1754 goto nla_put_failure;
1756 state->split_start++;
1759 if (nl80211_send_coalesce(msg, rdev))
1760 goto nla_put_failure;
1762 if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) &&
1763 (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
1764 nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
1765 goto nla_put_failure;
1767 if (rdev->wiphy.max_ap_assoc_sta &&
1768 nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
1769 rdev->wiphy.max_ap_assoc_sta))
1770 goto nla_put_failure;
1772 state->split_start++;
1775 if (rdev->wiphy.n_vendor_commands) {
1776 const struct nl80211_vendor_cmd_info *info;
1777 struct nlattr *nested;
1779 nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
1781 goto nla_put_failure;
1783 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
1784 info = &rdev->wiphy.vendor_commands[i].info;
1785 if (nla_put(msg, i + 1, sizeof(*info), info))
1786 goto nla_put_failure;
1788 nla_nest_end(msg, nested);
1791 if (rdev->wiphy.n_vendor_events) {
1792 const struct nl80211_vendor_cmd_info *info;
1793 struct nlattr *nested;
1795 nested = nla_nest_start(msg,
1796 NL80211_ATTR_VENDOR_EVENTS);
1798 goto nla_put_failure;
1800 for (i = 0; i < rdev->wiphy.n_vendor_events; i++) {
1801 info = &rdev->wiphy.vendor_events[i];
1802 if (nla_put(msg, i + 1, sizeof(*info), info))
1803 goto nla_put_failure;
1805 nla_nest_end(msg, nested);
1807 state->split_start++;
1810 if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
1811 nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
1812 rdev->wiphy.max_num_csa_counters))
1813 goto nla_put_failure;
1815 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
1816 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
1817 goto nla_put_failure;
1819 if (nla_put(msg, NL80211_ATTR_EXT_FEATURES,
1820 sizeof(rdev->wiphy.ext_features),
1821 rdev->wiphy.ext_features))
1822 goto nla_put_failure;
1824 if (rdev->wiphy.bss_select_support) {
1825 struct nlattr *nested;
1826 u32 bss_select_support = rdev->wiphy.bss_select_support;
1828 nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT);
1830 goto nla_put_failure;
1833 while (bss_select_support) {
1834 if ((bss_select_support & 1) &&
1835 nla_put_flag(msg, i))
1836 goto nla_put_failure;
1838 bss_select_support >>= 1;
1840 nla_nest_end(msg, nested);
1843 state->split_start++;
1846 if (rdev->wiphy.num_iftype_ext_capab &&
1847 rdev->wiphy.iftype_ext_capab) {
1848 struct nlattr *nested_ext_capab, *nested;
1850 nested = nla_nest_start(msg,
1851 NL80211_ATTR_IFTYPE_EXT_CAPA);
1853 goto nla_put_failure;
1855 for (i = state->capa_start;
1856 i < rdev->wiphy.num_iftype_ext_capab; i++) {
1857 const struct wiphy_iftype_ext_capab *capab;
1859 capab = &rdev->wiphy.iftype_ext_capab[i];
1861 nested_ext_capab = nla_nest_start(msg, i);
1862 if (!nested_ext_capab ||
1863 nla_put_u32(msg, NL80211_ATTR_IFTYPE,
1865 nla_put(msg, NL80211_ATTR_EXT_CAPA,
1866 capab->extended_capabilities_len,
1867 capab->extended_capabilities) ||
1868 nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK,
1869 capab->extended_capabilities_len,
1870 capab->extended_capabilities_mask))
1871 goto nla_put_failure;
1873 nla_nest_end(msg, nested_ext_capab);
1877 nla_nest_end(msg, nested);
1878 if (i < rdev->wiphy.num_iftype_ext_capab) {
1879 state->capa_start = i + 1;
1885 state->split_start = 0;
1889 genlmsg_end(msg, hdr);
1893 genlmsg_cancel(msg, hdr);
1897 static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
1898 struct netlink_callback *cb,
1899 struct nl80211_dump_wiphy_state *state)
1901 struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
1902 int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
1903 tb, nl80211_fam.maxattr, nl80211_policy);
1904 /* ignore parse errors for backward compatibility */
1908 state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
1909 if (tb[NL80211_ATTR_WIPHY])
1910 state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1911 if (tb[NL80211_ATTR_WDEV])
1912 state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32;
1913 if (tb[NL80211_ATTR_IFINDEX]) {
1914 struct net_device *netdev;
1915 struct cfg80211_registered_device *rdev;
1916 int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1918 netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
1921 if (netdev->ieee80211_ptr) {
1922 rdev = wiphy_to_rdev(
1923 netdev->ieee80211_ptr->wiphy);
1924 state->filter_wiphy = rdev->wiphy_idx;
1931 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
1934 struct nl80211_dump_wiphy_state *state = (void *)cb->args[0];
1935 struct cfg80211_registered_device *rdev;
1939 state = kzalloc(sizeof(*state), GFP_KERNEL);
1944 state->filter_wiphy = -1;
1945 ret = nl80211_dump_wiphy_parse(skb, cb, state);
1951 cb->args[0] = (long)state;
1954 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
1955 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
1957 if (++idx <= state->start)
1959 if (state->filter_wiphy != -1 &&
1960 state->filter_wiphy != rdev->wiphy_idx)
1962 /* attempt to fit multiple wiphy data chunks into the skb */
1964 ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
1966 NETLINK_CB(cb->skb).portid,
1968 NLM_F_MULTI, state);
1971 * If sending the wiphy data didn't fit (ENOBUFS
1972 * or EMSGSIZE returned), this SKB is still
1973 * empty (so it's not too big because another
1974 * wiphy dataset is already in the skb) and
1975 * we've not tried to adjust the dump allocation
1976 * yet ... then adjust the alloc size to be
1977 * bigger, and return 1 but with the empty skb.
1978 * This results in an empty message being RX'ed
1979 * in userspace, but that is ignored.
1981 * We can then retry with the larger buffer.
1983 if ((ret == -ENOBUFS || ret == -EMSGSIZE) &&
1984 !skb->len && !state->split &&
1985 cb->min_dump_alloc < 4096) {
1986 cb->min_dump_alloc = 4096;
1987 state->split_start = 0;
1994 } while (state->split_start > 0);
2004 static int nl80211_dump_wiphy_done(struct netlink_callback *cb)
2006 kfree((void *)cb->args[0]);
2010 static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
2012 struct sk_buff *msg;
2013 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2014 struct nl80211_dump_wiphy_state state = {};
2016 msg = nlmsg_new(4096, GFP_KERNEL);
2020 if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
2021 info->snd_portid, info->snd_seq, 0,
2027 return genlmsg_reply(msg, info);
2030 static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
2031 [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
2032 [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
2033 [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
2034 [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
2035 [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
2038 static int parse_txq_params(struct nlattr *tb[],
2039 struct ieee80211_txq_params *txq_params)
2041 if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] ||
2042 !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
2043 !tb[NL80211_TXQ_ATTR_AIFS])
2046 txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]);
2047 txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
2048 txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
2049 txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
2050 txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
2052 if (txq_params->ac >= NL80211_NUM_ACS)
2058 static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
2061 * You can only set the channel explicitly for WDS interfaces,
2062 * all others have their channel managed via their respective
2063 * "establish a connection" command (connect, join, ...)
2065 * For AP/GO and mesh mode, the channel can be set with the
2066 * channel userspace API, but is only stored and passed to the
2067 * low-level driver when the AP starts or the mesh is joined.
2068 * This is for backward compatibility, userspace can also give
2069 * the channel in the start-ap or join-mesh commands instead.
2071 * Monitors are special as they are normally slaved to
2072 * whatever else is going on, so they have their own special
2073 * operation to set the monitor channel if possible.
2076 wdev->iftype == NL80211_IFTYPE_AP ||
2077 wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
2078 wdev->iftype == NL80211_IFTYPE_MONITOR ||
2079 wdev->iftype == NL80211_IFTYPE_P2P_GO;
2082 static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
2083 struct genl_info *info,
2084 struct cfg80211_chan_def *chandef)
2088 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
2091 control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
2093 chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
2094 chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
2095 chandef->center_freq1 = control_freq;
2096 chandef->center_freq2 = 0;
2098 /* Primary channel not allowed */
2099 if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED)
2102 if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2103 enum nl80211_channel_type chantype;
2105 chantype = nla_get_u32(
2106 info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
2109 case NL80211_CHAN_NO_HT:
2110 case NL80211_CHAN_HT20:
2111 case NL80211_CHAN_HT40PLUS:
2112 case NL80211_CHAN_HT40MINUS:
2113 cfg80211_chandef_create(chandef, chandef->chan,
2119 } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
2121 nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]);
2122 if (info->attrs[NL80211_ATTR_CENTER_FREQ1])
2123 chandef->center_freq1 =
2125 info->attrs[NL80211_ATTR_CENTER_FREQ1]);
2126 if (info->attrs[NL80211_ATTR_CENTER_FREQ2])
2127 chandef->center_freq2 =
2129 info->attrs[NL80211_ATTR_CENTER_FREQ2]);
2132 if (!cfg80211_chandef_valid(chandef))
2135 if (!cfg80211_chandef_usable(&rdev->wiphy, chandef,
2136 IEEE80211_CHAN_DISABLED))
2139 if ((chandef->width == NL80211_CHAN_WIDTH_5 ||
2140 chandef->width == NL80211_CHAN_WIDTH_10) &&
2141 !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ))
2147 static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
2148 struct net_device *dev,
2149 struct genl_info *info)
2151 struct cfg80211_chan_def chandef;
2153 enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR;
2154 struct wireless_dev *wdev = NULL;
2157 wdev = dev->ieee80211_ptr;
2158 if (!nl80211_can_set_dev_channel(wdev))
2161 iftype = wdev->iftype;
2163 result = nl80211_parse_chandef(rdev, info, &chandef);
2168 case NL80211_IFTYPE_AP:
2169 case NL80211_IFTYPE_P2P_GO:
2170 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
2175 if (wdev->beacon_interval) {
2176 if (!dev || !rdev->ops->set_ap_chanwidth ||
2177 !(rdev->wiphy.features &
2178 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) {
2183 /* Only allow dynamic channel width changes */
2184 if (chandef.chan != wdev->preset_chandef.chan) {
2188 result = rdev_set_ap_chanwidth(rdev, dev, &chandef);
2192 wdev->preset_chandef = chandef;
2195 case NL80211_IFTYPE_MESH_POINT:
2196 result = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
2198 case NL80211_IFTYPE_MONITOR:
2199 result = cfg80211_set_monitor_channel(rdev, &chandef);
2208 static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
2210 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2211 struct net_device *netdev = info->user_ptr[1];
2213 return __nl80211_set_channel(rdev, netdev, info);
2216 static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info)
2218 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2219 struct net_device *dev = info->user_ptr[1];
2220 struct wireless_dev *wdev = dev->ieee80211_ptr;
2223 if (!info->attrs[NL80211_ATTR_MAC])
2226 if (netif_running(dev))
2229 if (!rdev->ops->set_wds_peer)
2232 if (wdev->iftype != NL80211_IFTYPE_WDS)
2235 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
2236 return rdev_set_wds_peer(rdev, dev, bssid);
2239 static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
2241 struct cfg80211_registered_device *rdev;
2242 struct net_device *netdev = NULL;
2243 struct wireless_dev *wdev;
2244 int result = 0, rem_txq_params = 0;
2245 struct nlattr *nl_txq_params;
2247 u8 retry_short = 0, retry_long = 0;
2248 u32 frag_threshold = 0, rts_threshold = 0;
2249 u8 coverage_class = 0;
2254 * Try to find the wiphy and netdev. Normally this
2255 * function shouldn't need the netdev, but this is
2256 * done for backward compatibility -- previously
2257 * setting the channel was done per wiphy, but now
2258 * it is per netdev. Previous userland like hostapd
2259 * also passed a netdev to set_wiphy, so that it is
2260 * possible to let that go to the right netdev!
2263 if (info->attrs[NL80211_ATTR_IFINDEX]) {
2264 int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
2266 netdev = __dev_get_by_index(genl_info_net(info), ifindex);
2267 if (netdev && netdev->ieee80211_ptr)
2268 rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy);
2274 rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
2277 return PTR_ERR(rdev);
2282 wdev = netdev->ieee80211_ptr;
2285 * end workaround code, by now the rdev is available
2286 * and locked, and wdev may or may not be NULL.
2289 if (info->attrs[NL80211_ATTR_WIPHY_NAME])
2290 result = cfg80211_dev_rename(
2291 rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
2296 if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
2297 struct ieee80211_txq_params txq_params;
2298 struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
2300 if (!rdev->ops->set_txq_params)
2306 if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
2307 netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
2310 if (!netif_running(netdev))
2313 nla_for_each_nested(nl_txq_params,
2314 info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
2316 result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX,
2321 result = parse_txq_params(tb, &txq_params);
2325 result = rdev_set_txq_params(rdev, netdev,
2332 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
2333 result = __nl80211_set_channel(
2335 nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
2341 if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
2342 struct wireless_dev *txp_wdev = wdev;
2343 enum nl80211_tx_power_setting type;
2346 if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
2349 if (!rdev->ops->set_tx_power)
2352 idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
2353 type = nla_get_u32(info->attrs[idx]);
2355 if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
2356 (type != NL80211_TX_POWER_AUTOMATIC))
2359 if (type != NL80211_TX_POWER_AUTOMATIC) {
2360 idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
2361 mbm = nla_get_u32(info->attrs[idx]);
2364 result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
2369 if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
2370 info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) {
2373 if ((!rdev->wiphy.available_antennas_tx &&
2374 !rdev->wiphy.available_antennas_rx) ||
2375 !rdev->ops->set_antenna)
2378 tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
2379 rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
2381 /* reject antenna configurations which don't match the
2382 * available antenna masks, except for the "all" mask */
2383 if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
2384 (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
2387 tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
2388 rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
2390 result = rdev_set_antenna(rdev, tx_ant, rx_ant);
2397 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) {
2398 retry_short = nla_get_u8(
2399 info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]);
2400 if (retry_short == 0)
2403 changed |= WIPHY_PARAM_RETRY_SHORT;
2406 if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) {
2407 retry_long = nla_get_u8(
2408 info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]);
2409 if (retry_long == 0)
2412 changed |= WIPHY_PARAM_RETRY_LONG;
2415 if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
2416 frag_threshold = nla_get_u32(
2417 info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
2418 if (frag_threshold < 256)
2421 if (frag_threshold != (u32) -1) {
2423 * Fragments (apart from the last one) are required to
2424 * have even length. Make the fragmentation code
2425 * simpler by stripping LSB should someone try to use
2426 * odd threshold value.
2428 frag_threshold &= ~0x1;
2430 changed |= WIPHY_PARAM_FRAG_THRESHOLD;
2433 if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) {
2434 rts_threshold = nla_get_u32(
2435 info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]);
2436 changed |= WIPHY_PARAM_RTS_THRESHOLD;
2439 if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
2440 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
2443 coverage_class = nla_get_u8(
2444 info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
2445 changed |= WIPHY_PARAM_COVERAGE_CLASS;
2448 if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
2449 if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
2452 changed |= WIPHY_PARAM_DYN_ACK;
2456 u8 old_retry_short, old_retry_long;
2457 u32 old_frag_threshold, old_rts_threshold;
2458 u8 old_coverage_class;
2460 if (!rdev->ops->set_wiphy_params)
2463 old_retry_short = rdev->wiphy.retry_short;
2464 old_retry_long = rdev->wiphy.retry_long;
2465 old_frag_threshold = rdev->wiphy.frag_threshold;
2466 old_rts_threshold = rdev->wiphy.rts_threshold;
2467 old_coverage_class = rdev->wiphy.coverage_class;
2469 if (changed & WIPHY_PARAM_RETRY_SHORT)
2470 rdev->wiphy.retry_short = retry_short;
2471 if (changed & WIPHY_PARAM_RETRY_LONG)
2472 rdev->wiphy.retry_long = retry_long;
2473 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
2474 rdev->wiphy.frag_threshold = frag_threshold;
2475 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
2476 rdev->wiphy.rts_threshold = rts_threshold;
2477 if (changed & WIPHY_PARAM_COVERAGE_CLASS)
2478 rdev->wiphy.coverage_class = coverage_class;
2480 result = rdev_set_wiphy_params(rdev, changed);
2482 rdev->wiphy.retry_short = old_retry_short;
2483 rdev->wiphy.retry_long = old_retry_long;
2484 rdev->wiphy.frag_threshold = old_frag_threshold;
2485 rdev->wiphy.rts_threshold = old_rts_threshold;
2486 rdev->wiphy.coverage_class = old_coverage_class;
2493 static inline u64 wdev_id(struct wireless_dev *wdev)
2495 return (u64)wdev->identifier |
2496 ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32);
2499 static int nl80211_send_chandef(struct sk_buff *msg,
2500 const struct cfg80211_chan_def *chandef)
2502 if (WARN_ON(!cfg80211_chandef_valid(chandef)))
2505 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
2506 chandef->chan->center_freq))
2508 switch (chandef->width) {
2509 case NL80211_CHAN_WIDTH_20_NOHT:
2510 case NL80211_CHAN_WIDTH_20:
2511 case NL80211_CHAN_WIDTH_40:
2512 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
2513 cfg80211_get_chandef_type(chandef)))
2519 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width))
2521 if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1))
2523 if (chandef->center_freq2 &&
2524 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2))
2529 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
2530 struct cfg80211_registered_device *rdev,
2531 struct wireless_dev *wdev, bool removal)
2533 struct net_device *dev = wdev->netdev;
2534 u8 cmd = NL80211_CMD_NEW_INTERFACE;
2538 cmd = NL80211_CMD_DEL_INTERFACE;
2540 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
2545 (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
2546 nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
2547 goto nla_put_failure;
2549 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
2550 nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
2551 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
2552 NL80211_ATTR_PAD) ||
2553 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
2554 nla_put_u32(msg, NL80211_ATTR_GENERATION,
2555 rdev->devlist_generation ^
2556 (cfg80211_rdev_list_generation << 2)))
2557 goto nla_put_failure;
2559 if (rdev->ops->get_channel) {
2561 struct cfg80211_chan_def chandef;
2563 ret = rdev_get_channel(rdev, wdev, &chandef);
2565 if (nl80211_send_chandef(msg, &chandef))
2566 goto nla_put_failure;
2570 if (rdev->ops->get_tx_power) {
2573 ret = rdev_get_tx_power(rdev, wdev, &dbm);
2575 nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
2577 goto nla_put_failure;
2580 if (wdev->ssid_len) {
2581 if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid))
2582 goto nla_put_failure;
2585 genlmsg_end(msg, hdr);
2589 genlmsg_cancel(msg, hdr);
2593 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
2597 int wp_start = cb->args[0];
2598 int if_start = cb->args[1];
2599 int filter_wiphy = -1;
2600 struct cfg80211_registered_device *rdev;
2601 struct wireless_dev *wdev;
2605 struct nl80211_dump_wiphy_state state = {
2610 ret = nl80211_dump_wiphy_parse(skb, cb, &state);
2614 filter_wiphy = state.filter_wiphy;
2617 * if filtering, set cb->args[2] to +1 since 0 is the default
2618 * value needed to determine that parsing is necessary.
2620 if (filter_wiphy >= 0)
2621 cb->args[2] = filter_wiphy + 1;
2624 } else if (cb->args[2] > 0) {
2625 filter_wiphy = cb->args[2] - 1;
2628 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
2629 if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
2631 if (wp_idx < wp_start) {
2636 if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx)
2641 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
2642 if (if_idx < if_start) {
2646 if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
2647 cb->nlh->nlmsg_seq, NLM_F_MULTI,
2648 rdev, wdev, false) < 0) {
2659 cb->args[0] = wp_idx;
2660 cb->args[1] = if_idx;
2665 static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
2667 struct sk_buff *msg;
2668 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2669 struct wireless_dev *wdev = info->user_ptr[1];
2671 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2675 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2676 rdev, wdev, false) < 0) {
2681 return genlmsg_reply(msg, info);
2684 static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
2685 [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
2686 [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
2687 [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
2688 [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
2689 [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
2690 [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG },
2693 static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
2695 struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
2703 if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
2704 nla, mntr_flags_policy))
2707 for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
2709 *mntrflags |= (1<<flag);
2714 static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev,
2715 struct net_device *netdev, u8 use_4addr,
2716 enum nl80211_iftype iftype)
2719 if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT))
2725 case NL80211_IFTYPE_AP_VLAN:
2726 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP)
2729 case NL80211_IFTYPE_STATION:
2730 if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION)
2740 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
2742 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2743 struct vif_params params;
2745 enum nl80211_iftype otype, ntype;
2746 struct net_device *dev = info->user_ptr[1];
2747 u32 _flags, *flags = NULL;
2748 bool change = false;
2750 memset(¶ms, 0, sizeof(params));
2752 otype = ntype = dev->ieee80211_ptr->iftype;
2754 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2755 ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2758 if (ntype > NL80211_IFTYPE_MAX)
2762 if (info->attrs[NL80211_ATTR_MESH_ID]) {
2763 struct wireless_dev *wdev = dev->ieee80211_ptr;
2765 if (ntype != NL80211_IFTYPE_MESH_POINT)
2767 if (netif_running(dev))
2771 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2772 IEEE80211_MAX_MESH_ID_LEN);
2773 wdev->mesh_id_up_len =
2774 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2775 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2776 wdev->mesh_id_up_len);
2780 if (info->attrs[NL80211_ATTR_4ADDR]) {
2781 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2783 err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype);
2787 params.use_4addr = -1;
2790 if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
2791 if (ntype != NL80211_IFTYPE_MONITOR)
2793 err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
2802 if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) {
2803 const u8 *mumimo_groups;
2804 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
2806 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
2810 nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]);
2812 /* bits 0 and 63 are reserved and must be zero */
2813 if ((mumimo_groups[0] & BIT(7)) ||
2814 (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(0)))
2817 memcpy(params.vht_mumimo_groups, mumimo_groups,
2818 VHT_MUMIMO_GROUPS_DATA_LEN);
2822 if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) {
2823 u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
2825 if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag))
2828 nla_memcpy(params.macaddr,
2829 info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR],
2834 if (flags && (*flags & MONITOR_FLAG_ACTIVE) &&
2835 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2839 err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms);
2843 if (!err && params.use_4addr != -1)
2844 dev->ieee80211_ptr->use_4addr = params.use_4addr;
2849 static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
2851 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2852 struct vif_params params;
2853 struct wireless_dev *wdev;
2854 struct sk_buff *msg;
2856 enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
2859 /* to avoid failing a new interface creation due to pending removal */
2860 cfg80211_destroy_ifaces(rdev);
2862 memset(¶ms, 0, sizeof(params));
2864 if (!info->attrs[NL80211_ATTR_IFNAME])
2867 if (info->attrs[NL80211_ATTR_IFTYPE]) {
2868 type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
2869 if (type > NL80211_IFTYPE_MAX)
2873 if (!rdev->ops->add_virtual_intf ||
2874 !(rdev->wiphy.interface_modes & (1 << type)))
2877 if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
2878 rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) &&
2879 info->attrs[NL80211_ATTR_MAC]) {
2880 nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
2882 if (!is_valid_ether_addr(params.macaddr))
2883 return -EADDRNOTAVAIL;
2886 if (info->attrs[NL80211_ATTR_4ADDR]) {
2887 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
2888 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);
2893 err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
2894 info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
2897 if (!err && (flags & MONITOR_FLAG_ACTIVE) &&
2898 !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
2901 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
2905 wdev = rdev_add_virtual_intf(rdev,
2906 nla_data(info->attrs[NL80211_ATTR_IFNAME]),
2907 NET_NAME_USER, type, err ? NULL : &flags,
2909 if (WARN_ON(!wdev)) {
2912 } else if (IS_ERR(wdev)) {
2914 return PTR_ERR(wdev);
2917 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
2918 wdev->owner_nlportid = info->snd_portid;
2921 case NL80211_IFTYPE_MESH_POINT:
2922 if (!info->attrs[NL80211_ATTR_MESH_ID])
2925 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
2926 IEEE80211_MAX_MESH_ID_LEN);
2927 wdev->mesh_id_up_len =
2928 nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
2929 memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
2930 wdev->mesh_id_up_len);
2933 case NL80211_IFTYPE_NAN:
2934 case NL80211_IFTYPE_P2P_DEVICE:
2936 * P2P Device and NAN do not have a netdev, so don't go
2937 * through the netdev notifier and must be added here
2939 mutex_init(&wdev->mtx);
2940 INIT_LIST_HEAD(&wdev->event_list);
2941 spin_lock_init(&wdev->event_lock);
2942 INIT_LIST_HEAD(&wdev->mgmt_registrations);
2943 spin_lock_init(&wdev->mgmt_registrations_lock);
2945 wdev->identifier = ++rdev->wdev_id;
2946 list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list);
2947 rdev->devlist_generation++;
2953 if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0,
2954 rdev, wdev, false) < 0) {
2960 * For wdevs which have no associated netdev object (e.g. of type
2961 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
2962 * For all other types, the event will be generated from the
2966 nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE);
2968 return genlmsg_reply(msg, info);
2971 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
2973 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2974 struct wireless_dev *wdev = info->user_ptr[1];
2976 if (!rdev->ops->del_virtual_intf)
2980 * If we remove a wireless device without a netdev then clear
2981 * user_ptr[1] so that nl80211_post_doit won't dereference it
2982 * to check if it needs to do dev_put(). Otherwise it crashes
2983 * since the wdev has been freed, unlike with a netdev where
2984 * we need the dev_put() for the netdev to really be freed.
2987 info->user_ptr[1] = NULL;
2989 return rdev_del_virtual_intf(rdev, wdev);
2992 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
2994 struct cfg80211_registered_device *rdev = info->user_ptr[0];
2995 struct net_device *dev = info->user_ptr[1];
2998 if (!info->attrs[NL80211_ATTR_NOACK_MAP])
3001 if (!rdev->ops->set_noack_map)
3004 noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]);
3006 return rdev_set_noack_map(rdev, dev, noack_map);
3009 struct get_key_cookie {
3010 struct sk_buff *msg;
3015 static void get_key_callback(void *c, struct key_params *params)
3018 struct get_key_cookie *cookie = c;
3021 nla_put(cookie->msg, NL80211_ATTR_KEY_DATA,
3022 params->key_len, params->key)) ||
3024 nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ,
3025 params->seq_len, params->seq)) ||
3027 nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
3029 goto nla_put_failure;
3031 key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY);
3033 goto nla_put_failure;
3036 nla_put(cookie->msg, NL80211_KEY_DATA,
3037 params->key_len, params->key)) ||
3039 nla_put(cookie->msg, NL80211_KEY_SEQ,
3040 params->seq_len, params->seq)) ||
3042 nla_put_u32(cookie->msg, NL80211_KEY_CIPHER,
3044 goto nla_put_failure;
3046 if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx))
3047 goto nla_put_failure;
3049 nla_nest_end(cookie->msg, key);
3056 static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
3058 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3060 struct net_device *dev = info->user_ptr[1];
3062 const u8 *mac_addr = NULL;
3064 struct get_key_cookie cookie = {
3068 struct sk_buff *msg;
3070 if (info->attrs[NL80211_ATTR_KEY_IDX])
3071 key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
3076 if (info->attrs[NL80211_ATTR_MAC])
3077 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3079 pairwise = !!mac_addr;
3080 if (info->attrs[NL80211_ATTR_KEY_TYPE]) {
3081 u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]);
3083 if (kt >= NUM_NL80211_KEYTYPES)
3085 if (kt != NL80211_KEYTYPE_GROUP &&
3086 kt != NL80211_KEYTYPE_PAIRWISE)
3088 pairwise = kt == NL80211_KEYTYPE_PAIRWISE;
3091 if (!rdev->ops->get_key)
3094 if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3097 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
3101 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
3102 NL80211_CMD_NEW_KEY);
3104 goto nla_put_failure;
3107 cookie.idx = key_idx;
3109 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
3110 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
3111 goto nla_put_failure;
3113 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr))
3114 goto nla_put_failure;
3116 err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie,
3123 goto nla_put_failure;
3125 genlmsg_end(msg, hdr);
3126 return genlmsg_reply(msg, info);
3135 static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
3137 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3138 struct key_parse key;
3140 struct net_device *dev = info->user_ptr[1];
3142 err = nl80211_parse_key(info, &key);
3149 /* only support setting default key */
3150 if (!key.def && !key.defmgmt)
3153 wdev_lock(dev->ieee80211_ptr);
3156 if (!rdev->ops->set_default_key) {
3161 err = nl80211_key_allowed(dev->ieee80211_ptr);
3165 err = rdev_set_default_key(rdev, dev, key.idx,
3166 key.def_uni, key.def_multi);
3171 #ifdef CONFIG_CFG80211_WEXT
3172 dev->ieee80211_ptr->wext.default_key = key.idx;
3175 if (key.def_uni || !key.def_multi) {
3180 if (!rdev->ops->set_default_mgmt_key) {
3185 err = nl80211_key_allowed(dev->ieee80211_ptr);
3189 err = rdev_set_default_mgmt_key(rdev, dev, key.idx);
3193 #ifdef CONFIG_CFG80211_WEXT
3194 dev->ieee80211_ptr->wext.default_mgmt_key = key.idx;
3199 wdev_unlock(dev->ieee80211_ptr);
3204 static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
3206 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3208 struct net_device *dev = info->user_ptr[1];
3209 struct key_parse key;
3210 const u8 *mac_addr = NULL;
3212 err = nl80211_parse_key(info, &key);
3219 if (info->attrs[NL80211_ATTR_MAC])
3220 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3222 if (key.type == -1) {
3224 key.type = NL80211_KEYTYPE_PAIRWISE;
3226 key.type = NL80211_KEYTYPE_GROUP;
3230 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3231 key.type != NL80211_KEYTYPE_GROUP)
3234 if (!rdev->ops->add_key)
3237 if (cfg80211_validate_key_settings(rdev, &key.p, key.idx,
3238 key.type == NL80211_KEYTYPE_PAIRWISE,
3242 wdev_lock(dev->ieee80211_ptr);
3243 err = nl80211_key_allowed(dev->ieee80211_ptr);
3245 err = rdev_add_key(rdev, dev, key.idx,
3246 key.type == NL80211_KEYTYPE_PAIRWISE,
3248 wdev_unlock(dev->ieee80211_ptr);
3253 static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
3255 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3257 struct net_device *dev = info->user_ptr[1];
3258 u8 *mac_addr = NULL;
3259 struct key_parse key;
3261 err = nl80211_parse_key(info, &key);
3265 if (info->attrs[NL80211_ATTR_MAC])
3266 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
3268 if (key.type == -1) {
3270 key.type = NL80211_KEYTYPE_PAIRWISE;
3272 key.type = NL80211_KEYTYPE_GROUP;
3276 if (key.type != NL80211_KEYTYPE_PAIRWISE &&
3277 key.type != NL80211_KEYTYPE_GROUP)
3280 if (!rdev->ops->del_key)
3283 wdev_lock(dev->ieee80211_ptr);
3284 err = nl80211_key_allowed(dev->ieee80211_ptr);
3286 if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
3287 !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
3291 err = rdev_del_key(rdev, dev, key.idx,
3292 key.type == NL80211_KEYTYPE_PAIRWISE,
3295 #ifdef CONFIG_CFG80211_WEXT
3297 if (key.idx == dev->ieee80211_ptr->wext.default_key)
3298 dev->ieee80211_ptr->wext.default_key = -1;
3299 else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key)
3300 dev->ieee80211_ptr->wext.default_mgmt_key = -1;
3303 wdev_unlock(dev->ieee80211_ptr);
3308 /* This function returns an error or the number of nested attributes */
3309 static int validate_acl_mac_addrs(struct nlattr *nl_attr)
3311 struct nlattr *attr;
3312 int n_entries = 0, tmp;
3314 nla_for_each_nested(attr, nl_attr, tmp) {
3315 if (nla_len(attr) != ETH_ALEN)
3325 * This function parses ACL information and allocates memory for ACL data.
3326 * On successful return, the calling function is responsible to free the
3327 * ACL buffer returned by this function.
3329 static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
3330 struct genl_info *info)
3332 enum nl80211_acl_policy acl_policy;
3333 struct nlattr *attr;
3334 struct cfg80211_acl_data *acl;
3335 int i = 0, n_entries, tmp;
3337 if (!wiphy->max_acl_mac_addrs)
3338 return ERR_PTR(-EOPNOTSUPP);
3340 if (!info->attrs[NL80211_ATTR_ACL_POLICY])
3341 return ERR_PTR(-EINVAL);
3343 acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]);
3344 if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
3345 acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
3346 return ERR_PTR(-EINVAL);
3348 if (!info->attrs[NL80211_ATTR_MAC_ADDRS])
3349 return ERR_PTR(-EINVAL);
3351 n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]);
3353 return ERR_PTR(n_entries);
3355 if (n_entries > wiphy->max_acl_mac_addrs)
3356 return ERR_PTR(-ENOTSUPP);
3358 acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries),
3361 return ERR_PTR(-ENOMEM);
3363 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) {
3364 memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN);
3368 acl->n_acl_entries = n_entries;
3369 acl->acl_policy = acl_policy;
3374 static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info)
3376 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3377 struct net_device *dev = info->user_ptr[1];
3378 struct cfg80211_acl_data *acl;
3381 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3382 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3385 if (!dev->ieee80211_ptr->beacon_interval)
3388 acl = parse_acl_data(&rdev->wiphy, info);
3390 return PTR_ERR(acl);
3392 err = rdev_set_mac_acl(rdev, dev, acl);
3399 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
3400 u8 *rates, u8 rates_len)
3405 for (i = 0; i < rates_len; i++) {
3406 int rate = (rates[i] & 0x7f) * 5;
3409 for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
3410 struct ieee80211_rate *srate =
3411 &sband->bitrates[ridx];
3412 if (rate == srate->bitrate) {
3417 if (ridx == sband->n_bitrates)
3418 return 0; /* rate not found */
3424 static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
3425 u8 *rates, u8 rates_len,
3426 u8 mcs[IEEE80211_HT_MCS_MASK_LEN])
3430 memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN);
3432 for (i = 0; i < rates_len; i++) {
3435 ridx = rates[i] / 8;
3436 rbit = BIT(rates[i] % 8);
3438 /* check validity */
3439 if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN))
3442 /* check availability */
3443 if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
3452 static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map)
3456 switch (vht_mcs_map) {
3457 case IEEE80211_VHT_MCS_NOT_SUPPORTED:
3459 case IEEE80211_VHT_MCS_SUPPORT_0_7:
3462 case IEEE80211_VHT_MCS_SUPPORT_0_8:
3465 case IEEE80211_VHT_MCS_SUPPORT_0_9:
3475 static void vht_build_mcs_mask(u16 vht_mcs_map,
3476 u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
3480 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
3481 vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03);
3486 static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
3487 struct nl80211_txrate_vht *txrate,
3488 u16 mcs[NL80211_VHT_NSS_MAX])
3490 u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
3491 u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {};
3494 if (!sband->vht_cap.vht_supported)
3497 memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX);
3499 /* Build vht_mcs_mask from VHT capabilities */
3500 vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask);
3502 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
3503 if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i])
3504 mcs[i] = txrate->mcs[i];
3512 static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
3513 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
3514 .len = NL80211_MAX_SUPP_RATES },
3515 [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
3516 .len = NL80211_MAX_SUPP_HT_RATES },
3517 [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
3518 [NL80211_TXRATE_GI] = { .type = NLA_U8 },
3521 static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
3522 struct cfg80211_bitrate_mask *mask)
3524 struct nlattr *tb[NL80211_TXRATE_MAX + 1];
3525 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3527 struct nlattr *tx_rates;
3528 struct ieee80211_supported_band *sband;
3531 memset(mask, 0, sizeof(*mask));
3532 /* Default to all rates enabled */
3533 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3534 sband = rdev->wiphy.bands[i];
3539 mask->control[i].legacy = (1 << sband->n_bitrates) - 1;
3540 memcpy(mask->control[i].ht_mcs,
3541 sband->ht_cap.mcs.rx_mask,
3542 sizeof(mask->control[i].ht_mcs));
3544 if (!sband->vht_cap.vht_supported)
3547 vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
3548 vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
3551 /* if no rates are given set it back to the defaults */
3552 if (!info->attrs[NL80211_ATTR_TX_RATES])
3555 /* The nested attribute uses enum nl80211_band as the index. This maps
3556 * directly to the enum nl80211_band values used in cfg80211.
3558 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
3559 nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
3560 enum nl80211_band band = nla_type(tx_rates);
3563 if (band < 0 || band >= NUM_NL80211_BANDS)
3565 sband = rdev->wiphy.bands[band];
3568 err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates,
3569 nl80211_txattr_policy);
3572 if (tb[NL80211_TXRATE_LEGACY]) {
3573 mask->control[band].legacy = rateset_to_mask(
3575 nla_data(tb[NL80211_TXRATE_LEGACY]),
3576 nla_len(tb[NL80211_TXRATE_LEGACY]));
3577 if ((mask->control[band].legacy == 0) &&
3578 nla_len(tb[NL80211_TXRATE_LEGACY]))
3581 if (tb[NL80211_TXRATE_HT]) {
3582 if (!ht_rateset_to_mask(
3584 nla_data(tb[NL80211_TXRATE_HT]),
3585 nla_len(tb[NL80211_TXRATE_HT]),
3586 mask->control[band].ht_mcs))
3589 if (tb[NL80211_TXRATE_VHT]) {
3590 if (!vht_set_mcs_mask(
3592 nla_data(tb[NL80211_TXRATE_VHT]),
3593 mask->control[band].vht_mcs))
3596 if (tb[NL80211_TXRATE_GI]) {
3597 mask->control[band].gi =
3598 nla_get_u8(tb[NL80211_TXRATE_GI]);
3599 if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI)
3603 if (mask->control[band].legacy == 0) {
3604 /* don't allow empty legacy rates if HT or VHT
3605 * are not even supported.
3607 if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported ||
3608 rdev->wiphy.bands[band]->vht_cap.vht_supported))
3611 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
3612 if (mask->control[band].ht_mcs[i])
3615 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
3616 if (mask->control[band].vht_mcs[i])
3619 /* legacy and mcs rates may not be both empty */
3628 static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
3629 enum nl80211_band band,
3630 struct cfg80211_bitrate_mask *beacon_rate)
3632 u32 count_ht, count_vht, i;
3633 u32 rate = beacon_rate->control[band].legacy;
3635 /* Allow only one rate */
3636 if (hweight32(rate) > 1)
3640 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
3641 if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) {
3643 } else if (beacon_rate->control[band].ht_mcs[i]) {
3648 if (count_ht && rate)
3653 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
3654 if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) {
3656 } else if (beacon_rate->control[band].vht_mcs[i]) {
3661 if (count_vht && rate)
3665 if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht))
3669 !wiphy_ext_feature_isset(&rdev->wiphy,
3670 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY))
3673 !wiphy_ext_feature_isset(&rdev->wiphy,
3674 NL80211_EXT_FEATURE_BEACON_RATE_HT))
3677 !wiphy_ext_feature_isset(&rdev->wiphy,
3678 NL80211_EXT_FEATURE_BEACON_RATE_VHT))
3684 static int nl80211_parse_beacon(struct nlattr *attrs[],
3685 struct cfg80211_beacon_data *bcn)
3687 bool haveinfo = false;
3689 if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
3690 !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
3691 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) ||
3692 !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP]))
3695 memset(bcn, 0, sizeof(*bcn));
3697 if (attrs[NL80211_ATTR_BEACON_HEAD]) {
3698 bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
3699 bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
3705 if (attrs[NL80211_ATTR_BEACON_TAIL]) {
3706 bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]);
3707 bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]);
3714 if (attrs[NL80211_ATTR_IE]) {
3715 bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]);
3716 bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]);
3719 if (attrs[NL80211_ATTR_IE_PROBE_RESP]) {
3720 bcn->proberesp_ies =
3721 nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3722 bcn->proberesp_ies_len =
3723 nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]);
3726 if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) {
3727 bcn->assocresp_ies =
3728 nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3729 bcn->assocresp_ies_len =
3730 nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]);
3733 if (attrs[NL80211_ATTR_PROBE_RESP]) {
3734 bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]);
3735 bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
3741 static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
3742 struct cfg80211_ap_settings *params)
3744 struct wireless_dev *wdev;
3747 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
3748 if (wdev->iftype != NL80211_IFTYPE_AP &&
3749 wdev->iftype != NL80211_IFTYPE_P2P_GO)
3752 if (!wdev->preset_chandef.chan)
3755 params->chandef = wdev->preset_chandef;
3763 static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
3764 enum nl80211_auth_type auth_type,
3765 enum nl80211_commands cmd)
3767 if (auth_type > NL80211_AUTHTYPE_MAX)
3771 case NL80211_CMD_AUTHENTICATE:
3772 if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
3773 auth_type == NL80211_AUTHTYPE_SAE)
3775 if (!wiphy_ext_feature_isset(&rdev->wiphy,
3776 NL80211_EXT_FEATURE_FILS_STA) &&
3777 (auth_type == NL80211_AUTHTYPE_FILS_SK ||
3778 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
3779 auth_type == NL80211_AUTHTYPE_FILS_PK))
3782 case NL80211_CMD_CONNECT:
3783 case NL80211_CMD_START_AP:
3784 /* SAE not supported yet */
3785 if (auth_type == NL80211_AUTHTYPE_SAE)
3787 /* FILS not supported yet */
3788 if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
3789 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
3790 auth_type == NL80211_AUTHTYPE_FILS_PK)
3798 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
3800 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3801 struct net_device *dev = info->user_ptr[1];
3802 struct wireless_dev *wdev = dev->ieee80211_ptr;
3803 struct cfg80211_ap_settings params;
3806 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3807 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3810 if (!rdev->ops->start_ap)
3813 if (wdev->beacon_interval)
3816 memset(¶ms, 0, sizeof(params));
3818 /* these are required for START_AP */
3819 if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
3820 !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
3821 !info->attrs[NL80211_ATTR_BEACON_HEAD])
3824 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon);
3828 params.beacon_interval =
3829 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
3830 params.dtim_period =
3831 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
3833 err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
3834 params.beacon_interval);
3839 * In theory, some of these attributes should be required here
3840 * but since they were not used when the command was originally
3841 * added, keep them optional for old user space programs to let
3842 * them continue to work with drivers that do not need the
3843 * additional information -- drivers must check!
3845 if (info->attrs[NL80211_ATTR_SSID]) {
3846 params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
3848 nla_len(info->attrs[NL80211_ATTR_SSID]);
3849 if (params.ssid_len == 0 ||
3850 params.ssid_len > IEEE80211_MAX_SSID_LEN)
3854 if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) {
3855 params.hidden_ssid = nla_get_u32(
3856 info->attrs[NL80211_ATTR_HIDDEN_SSID]);
3857 if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE &&
3858 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN &&
3859 params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS)
3863 params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
3865 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
3866 params.auth_type = nla_get_u32(
3867 info->attrs[NL80211_ATTR_AUTH_TYPE]);
3868 if (!nl80211_valid_auth_type(rdev, params.auth_type,
3869 NL80211_CMD_START_AP))
3872 params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
3874 err = nl80211_crypto_settings(rdev, info, ¶ms.crypto,
3875 NL80211_MAX_NR_CIPHER_SUITES);
3879 if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
3880 if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER))
3882 params.inactivity_timeout = nla_get_u16(
3883 info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
3886 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
3887 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3889 params.p2p_ctwindow =
3890 nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
3891 if (params.p2p_ctwindow > 127)
3893 if (params.p2p_ctwindow != 0 &&
3894 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
3898 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
3901 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3903 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
3906 params.p2p_opp_ps = tmp;
3907 if (params.p2p_opp_ps != 0 &&
3908 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
3912 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
3913 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
3916 } else if (wdev->preset_chandef.chan) {
3917 params.chandef = wdev->preset_chandef;
3918 } else if (!nl80211_get_ap_channel(rdev, ¶ms))
3921 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
3925 if (info->attrs[NL80211_ATTR_TX_RATES]) {
3926 err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate);
3930 err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
3931 ¶ms.beacon_rate);
3936 if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
3938 nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
3939 switch (params.smps_mode) {
3940 case NL80211_SMPS_OFF:
3942 case NL80211_SMPS_STATIC:
3943 if (!(rdev->wiphy.features &
3944 NL80211_FEATURE_STATIC_SMPS))
3947 case NL80211_SMPS_DYNAMIC:
3948 if (!(rdev->wiphy.features &
3949 NL80211_FEATURE_DYNAMIC_SMPS))
3956 params.smps_mode = NL80211_SMPS_OFF;
3959 params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
3960 if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ])
3963 if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
3964 params.acl = parse_acl_data(&rdev->wiphy, info);
3965 if (IS_ERR(params.acl))
3966 return PTR_ERR(params.acl);
3970 err = rdev_start_ap(rdev, dev, ¶ms);
3972 wdev->preset_chandef = params.chandef;
3973 wdev->beacon_interval = params.beacon_interval;
3974 wdev->chandef = params.chandef;
3975 wdev->ssid_len = params.ssid_len;
3976 memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
3985 static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
3987 struct cfg80211_registered_device *rdev = info->user_ptr[0];
3988 struct net_device *dev = info->user_ptr[1];
3989 struct wireless_dev *wdev = dev->ieee80211_ptr;
3990 struct cfg80211_beacon_data params;
3993 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
3994 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
3997 if (!rdev->ops->change_beacon)
4000 if (!wdev->beacon_interval)
4003 err = nl80211_parse_beacon(info->attrs, ¶ms);
4008 err = rdev_change_beacon(rdev, dev, ¶ms);
4014 static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info)
4016 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4017 struct net_device *dev = info->user_ptr[1];
4019 return cfg80211_stop_ap(rdev, dev, false);
4022 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
4023 [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
4024 [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
4025 [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
4026 [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
4027 [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
4028 [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG },
4031 static int parse_station_flags(struct genl_info *info,
4032 enum nl80211_iftype iftype,
4033 struct station_parameters *params)
4035 struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
4040 * Try parsing the new attribute first so userspace
4041 * can specify both for older kernels.
4043 nla = info->attrs[NL80211_ATTR_STA_FLAGS2];
4045 struct nl80211_sta_flag_update *sta_flags;
4047 sta_flags = nla_data(nla);
4048 params->sta_flags_mask = sta_flags->mask;
4049 params->sta_flags_set = sta_flags->set;
4050 params->sta_flags_set &= params->sta_flags_mask;
4051 if ((params->sta_flags_mask |
4052 params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID))
4057 /* if present, parse the old attribute */
4059 nla = info->attrs[NL80211_ATTR_STA_FLAGS];
4063 if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
4064 nla, sta_flags_policy))
4068 * Only allow certain flags for interface types so that
4069 * other attributes are silently ignored. Remember that
4070 * this is backward compatibility code with old userspace
4071 * and shouldn't be hit in other cases anyway.
4074 case NL80211_IFTYPE_AP:
4075 case NL80211_IFTYPE_AP_VLAN:
4076 case NL80211_IFTYPE_P2P_GO:
4077 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4078 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4079 BIT(NL80211_STA_FLAG_WME) |
4080 BIT(NL80211_STA_FLAG_MFP);
4082 case NL80211_IFTYPE_P2P_CLIENT:
4083 case NL80211_IFTYPE_STATION:
4084 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
4085 BIT(NL80211_STA_FLAG_TDLS_PEER);
4087 case NL80211_IFTYPE_MESH_POINT:
4088 params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4089 BIT(NL80211_STA_FLAG_MFP) |
4090 BIT(NL80211_STA_FLAG_AUTHORIZED);
4095 for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
4097 params->sta_flags_set |= (1<<flag);
4099 /* no longer support new API additions in old API */
4100 if (flag > NL80211_STA_FLAG_MAX_OLD_API)
4108 static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
4111 struct nlattr *rate;
4114 enum nl80211_attrs rate_flg;
4116 rate = nla_nest_start(msg, attr);
4120 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4121 bitrate = cfg80211_calculate_bitrate(info);
4122 /* report 16-bit bitrate only if we can */
4123 bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
4125 nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate))
4127 if (bitrate_compat > 0 &&
4128 nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat))
4132 case RATE_INFO_BW_5:
4133 rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH;
4135 case RATE_INFO_BW_10:
4136 rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH;
4141 case RATE_INFO_BW_20:
4144 case RATE_INFO_BW_40:
4145 rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH;
4147 case RATE_INFO_BW_80:
4148 rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH;
4150 case RATE_INFO_BW_160:
4151 rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH;
4155 if (rate_flg && nla_put_flag(msg, rate_flg))
4158 if (info->flags & RATE_INFO_FLAGS_MCS) {
4159 if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs))
4161 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4162 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4164 } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) {
4165 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs))
4167 if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss))
4169 if (info->flags & RATE_INFO_FLAGS_SHORT_GI &&
4170 nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI))
4174 nla_nest_end(msg, rate);
4178 static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
4187 attr = nla_nest_start(msg, id);
4191 for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
4192 if (!(mask & BIT(i)))
4195 if (nla_put_u8(msg, i, signal[i]))
4199 nla_nest_end(msg, attr);
4204 static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
4206 struct cfg80211_registered_device *rdev,
4207 struct net_device *dev,
4208 const u8 *mac_addr, struct station_info *sinfo)
4211 struct nlattr *sinfoattr, *bss_param;
4213 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
4217 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
4218 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
4219 nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
4220 goto nla_put_failure;
4222 sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
4224 goto nla_put_failure;
4226 #define PUT_SINFO(attr, memb, type) do { \
4227 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4228 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4229 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4231 goto nla_put_failure; \
4233 #define PUT_SINFO_U64(attr, memb) do { \
4234 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4235 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4236 sinfo->memb, NL80211_STA_INFO_PAD)) \
4237 goto nla_put_failure; \
4240 PUT_SINFO(CONNECTED_TIME, connected_time, u32);
4241 PUT_SINFO(INACTIVE_TIME, inactive_time, u32);
4243 if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) |
4244 BIT(NL80211_STA_INFO_RX_BYTES64)) &&
4245 nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
4246 (u32)sinfo->rx_bytes))
4247 goto nla_put_failure;
4249 if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) |
4250 BIT(NL80211_STA_INFO_TX_BYTES64)) &&
4251 nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
4252 (u32)sinfo->tx_bytes))
4253 goto nla_put_failure;
4255 PUT_SINFO_U64(RX_BYTES64, rx_bytes);
4256 PUT_SINFO_U64(TX_BYTES64, tx_bytes);
4257 PUT_SINFO(LLID, llid, u16);
4258 PUT_SINFO(PLID, plid, u16);
4259 PUT_SINFO(PLINK_STATE, plink_state, u8);
4260 PUT_SINFO_U64(RX_DURATION, rx_duration);
4262 switch (rdev->wiphy.signal_type) {
4263 case CFG80211_SIGNAL_TYPE_MBM:
4264 PUT_SINFO(SIGNAL, signal, u8);
4265 PUT_SINFO(SIGNAL_AVG, signal_avg, u8);
4270 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) {
4271 if (!nl80211_put_signal(msg, sinfo->chains,
4272 sinfo->chain_signal,
4273 NL80211_STA_INFO_CHAIN_SIGNAL))
4274 goto nla_put_failure;
4276 if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) {
4277 if (!nl80211_put_signal(msg, sinfo->chains,
4278 sinfo->chain_signal_avg,
4279 NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
4280 goto nla_put_failure;
4282 if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {
4283 if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
4284 NL80211_STA_INFO_TX_BITRATE))
4285 goto nla_put_failure;
4287 if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) {
4288 if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
4289 NL80211_STA_INFO_RX_BITRATE))
4290 goto nla_put_failure;
4293 PUT_SINFO(RX_PACKETS, rx_packets, u32);
4294 PUT_SINFO(TX_PACKETS, tx_packets, u32);
4295 PUT_SINFO(TX_RETRIES, tx_retries, u32);
4296 PUT_SINFO(TX_FAILED, tx_failed, u32);
4297 PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32);
4298 PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32);
4299 PUT_SINFO(LOCAL_PM, local_pm, u32);
4300 PUT_SINFO(PEER_PM, peer_pm, u32);
4301 PUT_SINFO(NONPEER_PM, nonpeer_pm, u32);
4303 if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) {
4304 bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
4306 goto nla_put_failure;
4308 if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
4309 nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
4310 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
4311 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
4312 ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
4313 nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
4314 nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
4315 sinfo->bss_param.dtim_period) ||
4316 nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
4317 sinfo->bss_param.beacon_interval))
4318 goto nla_put_failure;
4320 nla_nest_end(msg, bss_param);
4322 if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) &&
4323 nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
4324 sizeof(struct nl80211_sta_flag_update),
4326 goto nla_put_failure;
4328 PUT_SINFO_U64(T_OFFSET, t_offset);
4329 PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
4330 PUT_SINFO_U64(BEACON_RX, rx_beacon);
4331 PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
4334 #undef PUT_SINFO_U64
4336 if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) {
4337 struct nlattr *tidsattr;
4340 tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS);
4342 goto nla_put_failure;
4344 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
4345 struct cfg80211_tid_stats *tidstats;
4346 struct nlattr *tidattr;
4348 tidstats = &sinfo->pertid[tid];
4350 if (!tidstats->filled)
4353 tidattr = nla_nest_start(msg, tid + 1);
4355 goto nla_put_failure;
4357 #define PUT_TIDVAL_U64(attr, memb) do { \
4358 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4359 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4360 tidstats->memb, NL80211_TID_STATS_PAD)) \
4361 goto nla_put_failure; \
4364 PUT_TIDVAL_U64(RX_MSDU, rx_msdu);
4365 PUT_TIDVAL_U64(TX_MSDU, tx_msdu);
4366 PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries);
4367 PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed);
4369 #undef PUT_TIDVAL_U64
4370 nla_nest_end(msg, tidattr);
4373 nla_nest_end(msg, tidsattr);
4376 nla_nest_end(msg, sinfoattr);
4378 if (sinfo->assoc_req_ies_len &&
4379 nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
4380 sinfo->assoc_req_ies))
4381 goto nla_put_failure;
4383 genlmsg_end(msg, hdr);
4387 genlmsg_cancel(msg, hdr);
4391 static int nl80211_dump_station(struct sk_buff *skb,
4392 struct netlink_callback *cb)
4394 struct station_info sinfo;
4395 struct cfg80211_registered_device *rdev;
4396 struct wireless_dev *wdev;
4397 u8 mac_addr[ETH_ALEN];
4398 int sta_idx = cb->args[2];
4401 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
4405 if (!wdev->netdev) {
4410 if (!rdev->ops->dump_station) {
4416 memset(&sinfo, 0, sizeof(sinfo));
4417 err = rdev_dump_station(rdev, wdev->netdev, sta_idx,
4424 if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION,
4425 NETLINK_CB(cb->skb).portid,
4426 cb->nlh->nlmsg_seq, NLM_F_MULTI,
4427 rdev, wdev->netdev, mac_addr,
4435 cb->args[2] = sta_idx;
4438 nl80211_finish_wdev_dump(rdev);
4443 static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
4445 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4446 struct net_device *dev = info->user_ptr[1];
4447 struct station_info sinfo;
4448 struct sk_buff *msg;
4449 u8 *mac_addr = NULL;
4452 memset(&sinfo, 0, sizeof(sinfo));
4454 if (!info->attrs[NL80211_ATTR_MAC])
4457 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4459 if (!rdev->ops->get_station)
4462 err = rdev_get_station(rdev, dev, mac_addr, &sinfo);
4466 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
4470 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION,
4471 info->snd_portid, info->snd_seq, 0,
4472 rdev, dev, mac_addr, &sinfo) < 0) {
4477 return genlmsg_reply(msg, info);
4480 int cfg80211_check_station_change(struct wiphy *wiphy,
4481 struct station_parameters *params,
4482 enum cfg80211_station_type statype)
4484 if (params->listen_interval != -1 &&
4485 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4488 if (params->support_p2p_ps != -1 &&
4489 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4493 !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) &&
4494 statype != CFG80211_STA_AP_CLIENT_UNASSOC)
4497 /* When you run into this, adjust the code below for the new flag */
4498 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
4501 case CFG80211_STA_MESH_PEER_KERNEL:
4502 case CFG80211_STA_MESH_PEER_USER:
4504 * No ignoring the TDLS flag here -- the userspace mesh
4505 * code doesn't have the bug of including TDLS in the
4508 if (params->sta_flags_mask &
4509 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4510 BIT(NL80211_STA_FLAG_MFP) |
4511 BIT(NL80211_STA_FLAG_AUTHORIZED)))
4514 case CFG80211_STA_TDLS_PEER_SETUP:
4515 case CFG80211_STA_TDLS_PEER_ACTIVE:
4516 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4518 /* ignore since it can't change */
4519 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4522 /* disallow mesh-specific things */
4523 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION)
4525 if (params->local_pm)
4527 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
4531 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
4532 statype != CFG80211_STA_TDLS_PEER_ACTIVE) {
4533 /* TDLS can't be set, ... */
4534 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
4537 * ... but don't bother the driver with it. This works around
4538 * a hostapd/wpa_supplicant issue -- it always includes the
4539 * TLDS_PEER flag in the mask even for AP mode.
4541 params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
4544 if (statype != CFG80211_STA_TDLS_PEER_SETUP &&
4545 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
4546 /* reject other things that can't change */
4547 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD)
4549 if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY)
4551 if (params->supported_rates)
4553 if (params->ext_capab || params->ht_capa || params->vht_capa)
4557 if (statype != CFG80211_STA_AP_CLIENT &&
4558 statype != CFG80211_STA_AP_CLIENT_UNASSOC) {
4564 case CFG80211_STA_AP_MLME_CLIENT:
4565 /* Use this only for authorizing/unauthorizing a station */
4566 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
4569 case CFG80211_STA_AP_CLIENT:
4570 case CFG80211_STA_AP_CLIENT_UNASSOC:
4571 /* accept only the listed bits */
4572 if (params->sta_flags_mask &
4573 ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4574 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4575 BIT(NL80211_STA_FLAG_ASSOCIATED) |
4576 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
4577 BIT(NL80211_STA_FLAG_WME) |
4578 BIT(NL80211_STA_FLAG_MFP)))
4581 /* but authenticated/associated only if driver handles it */
4582 if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
4583 params->sta_flags_mask &
4584 (BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4585 BIT(NL80211_STA_FLAG_ASSOCIATED)))
4588 case CFG80211_STA_IBSS:
4589 case CFG80211_STA_AP_STA:
4590 /* reject any changes other than AUTHORIZED */
4591 if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED))
4594 case CFG80211_STA_TDLS_PEER_SETUP:
4595 /* reject any changes other than AUTHORIZED or WME */
4596 if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) |
4597 BIT(NL80211_STA_FLAG_WME)))
4599 /* force (at least) rates when authorizing */
4600 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) &&
4601 !params->supported_rates)
4604 case CFG80211_STA_TDLS_PEER_ACTIVE:
4605 /* reject any changes */
4607 case CFG80211_STA_MESH_PEER_KERNEL:
4608 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE)
4611 case CFG80211_STA_MESH_PEER_USER:
4612 if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION &&
4613 params->plink_action != NL80211_PLINK_ACTION_BLOCK)
4619 * Older kernel versions ignored this attribute entirely, so don't
4620 * reject attempts to update it but mark it as unused instead so the
4621 * driver won't look at the data.
4623 if (statype != CFG80211_STA_AP_CLIENT_UNASSOC &&
4624 statype != CFG80211_STA_TDLS_PEER_SETUP)
4625 params->opmode_notif_used = false;
4629 EXPORT_SYMBOL(cfg80211_check_station_change);
4632 * Get vlan interface making sure it is running and on the right wiphy.
4634 static struct net_device *get_vlan(struct genl_info *info,
4635 struct cfg80211_registered_device *rdev)
4637 struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
4638 struct net_device *v;
4644 v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr));
4646 return ERR_PTR(-ENODEV);
4648 if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) {
4653 if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
4654 v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4655 v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
4660 if (!netif_running(v)) {
4668 return ERR_PTR(ret);
4671 static const struct nla_policy
4672 nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
4673 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
4674 [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
4677 static int nl80211_parse_sta_wme(struct genl_info *info,
4678 struct station_parameters *params)
4680 struct nlattr *tb[NL80211_STA_WME_MAX + 1];
4684 /* parse WME attributes if present */
4685 if (!info->attrs[NL80211_ATTR_STA_WME])
4688 nla = info->attrs[NL80211_ATTR_STA_WME];
4689 err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
4690 nl80211_sta_wme_policy);
4694 if (tb[NL80211_STA_WME_UAPSD_QUEUES])
4695 params->uapsd_queues = nla_get_u8(
4696 tb[NL80211_STA_WME_UAPSD_QUEUES]);
4697 if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
4700 if (tb[NL80211_STA_WME_MAX_SP])
4701 params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
4703 if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
4706 params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;
4711 static int nl80211_parse_sta_channel_info(struct genl_info *info,
4712 struct station_parameters *params)
4714 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) {
4715 params->supported_channels =
4716 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4717 params->supported_channels_len =
4718 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]);
4720 * Need to include at least one (first channel, number of
4721 * channels) tuple for each subband, and must have proper
4722 * tuples for the rest of the data as well.
4724 if (params->supported_channels_len < 2)
4726 if (params->supported_channels_len % 2)
4730 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) {
4731 params->supported_oper_classes =
4732 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4733 params->supported_oper_classes_len =
4734 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]);
4736 * The value of the Length field of the Supported Operating
4737 * Classes element is between 2 and 253.
4739 if (params->supported_oper_classes_len < 2 ||
4740 params->supported_oper_classes_len > 253)
4746 static int nl80211_set_station_tdls(struct genl_info *info,
4747 struct station_parameters *params)
4750 /* Dummy STA entry gets updated once the peer capabilities are known */
4751 if (info->attrs[NL80211_ATTR_PEER_AID])
4752 params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4753 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4755 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4756 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4758 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4760 err = nl80211_parse_sta_channel_info(info, params);
4764 return nl80211_parse_sta_wme(info, params);
4767 static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
4769 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4770 struct net_device *dev = info->user_ptr[1];
4771 struct station_parameters params;
4775 memset(¶ms, 0, sizeof(params));
4777 if (!rdev->ops->change_station)
4781 * AID and listen_interval properties can be set only for unassociated
4782 * station. Include these parameters here and will check them in
4783 * cfg80211_check_station_change().
4785 if (info->attrs[NL80211_ATTR_STA_AID])
4786 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4788 if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4789 params.listen_interval =
4790 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4792 params.listen_interval = -1;
4794 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
4797 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
4798 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
4801 params.support_p2p_ps = tmp;
4803 params.support_p2p_ps = -1;
4806 if (!info->attrs[NL80211_ATTR_MAC])
4809 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4811 if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
4812 params.supported_rates =
4813 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4814 params.supported_rates_len =
4815 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4818 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4820 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4821 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4824 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4826 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4827 params.ext_capab_len =
4828 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4831 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
4834 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4835 params.plink_action =
4836 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4837 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4841 if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) {
4842 params.plink_state =
4843 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]);
4844 if (params.plink_state >= NUM_NL80211_PLINK_STATES)
4846 if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) {
4847 params.peer_aid = nla_get_u16(
4848 info->attrs[NL80211_ATTR_MESH_PEER_AID]);
4849 if (params.peer_aid > IEEE80211_MAX_AID)
4852 params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE;
4855 if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) {
4856 enum nl80211_mesh_power_mode pm = nla_get_u32(
4857 info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]);
4859 if (pm <= NL80211_MESH_POWER_UNKNOWN ||
4860 pm > NL80211_MESH_POWER_MAX)
4863 params.local_pm = pm;
4866 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4867 params.opmode_notif_used = true;
4868 params.opmode_notif =
4869 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4872 /* Include parameters for TDLS peer (will check later) */
4873 err = nl80211_set_station_tdls(info, ¶ms);
4877 params.vlan = get_vlan(info, rdev);
4878 if (IS_ERR(params.vlan))
4879 return PTR_ERR(params.vlan);
4881 switch (dev->ieee80211_ptr->iftype) {
4882 case NL80211_IFTYPE_AP:
4883 case NL80211_IFTYPE_AP_VLAN:
4884 case NL80211_IFTYPE_P2P_GO:
4885 case NL80211_IFTYPE_P2P_CLIENT:
4886 case NL80211_IFTYPE_STATION:
4887 case NL80211_IFTYPE_ADHOC:
4888 case NL80211_IFTYPE_MESH_POINT:
4895 /* driver will call cfg80211_check_station_change() */
4896 err = rdev_change_station(rdev, dev, mac_addr, ¶ms);
4900 dev_put(params.vlan);
4905 static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
4907 struct cfg80211_registered_device *rdev = info->user_ptr[0];
4909 struct net_device *dev = info->user_ptr[1];
4910 struct station_parameters params;
4911 u8 *mac_addr = NULL;
4912 u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
4913 BIT(NL80211_STA_FLAG_ASSOCIATED);
4915 memset(¶ms, 0, sizeof(params));
4917 if (!rdev->ops->add_station)
4920 if (!info->attrs[NL80211_ATTR_MAC])
4923 if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
4926 if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
4929 if (!info->attrs[NL80211_ATTR_STA_AID] &&
4930 !info->attrs[NL80211_ATTR_PEER_AID])
4933 mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
4934 params.supported_rates =
4935 nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4936 params.supported_rates_len =
4937 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
4938 params.listen_interval =
4939 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
4941 if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) {
4944 tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]);
4945 if (tmp >= NUM_NL80211_P2P_PS_STATUS)
4948 params.support_p2p_ps = tmp;
4951 * if not specified, assume it's supported for P2P GO interface,
4952 * and is NOT supported for AP interface
4954 params.support_p2p_ps =
4955 dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO;
4958 if (info->attrs[NL80211_ATTR_PEER_AID])
4959 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
4961 params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
4962 if (!params.aid || params.aid > IEEE80211_MAX_AID)
4965 if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) {
4967 nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]);
4968 params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY;
4971 if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) {
4973 nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4974 params.ext_capab_len =
4975 nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]);
4978 if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
4980 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
4982 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
4984 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
4986 if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
4987 params.opmode_notif_used = true;
4988 params.opmode_notif =
4989 nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
4992 if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
4993 params.plink_action =
4994 nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
4995 if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS)
4999 err = nl80211_parse_sta_channel_info(info, ¶ms);
5003 err = nl80211_parse_sta_wme(info, ¶ms);
5007 if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms))
5010 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5011 * as userspace might just pass through the capabilities from the IEs
5012 * directly, rather than enforcing this restriction and returning an
5013 * error in this case.
5015 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) {
5016 params.ht_capa = NULL;
5017 params.vht_capa = NULL;
5020 /* When you run into this, adjust the code below for the new flag */
5021 BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
5023 switch (dev->ieee80211_ptr->iftype) {
5024 case NL80211_IFTYPE_AP:
5025 case NL80211_IFTYPE_AP_VLAN:
5026 case NL80211_IFTYPE_P2P_GO:
5027 /* ignore WME attributes if iface/sta is not capable */
5028 if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) ||
5029 !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME)))
5030 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5032 /* TDLS peers cannot be added */
5033 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5034 info->attrs[NL80211_ATTR_PEER_AID])
5036 /* but don't bother the driver with it */
5037 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER);
5039 /* allow authenticated/associated only if driver handles it */
5040 if (!(rdev->wiphy.features &
5041 NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
5042 params.sta_flags_mask & auth_assoc)
5045 /* Older userspace, or userspace wanting to be compatible with
5046 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5047 * and assoc flags in the mask, but assumes the station will be
5048 * added as associated anyway since this was the required driver
5049 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5051 * In order to not bother drivers with this quirk in the API
5052 * set the flags in both the mask and set for new stations in
5055 if (!(params.sta_flags_mask & auth_assoc)) {
5056 params.sta_flags_mask |= auth_assoc;
5057 params.sta_flags_set |= auth_assoc;
5060 /* must be last in here for error handling */
5061 params.vlan = get_vlan(info, rdev);
5062 if (IS_ERR(params.vlan))
5063 return PTR_ERR(params.vlan);
5065 case NL80211_IFTYPE_MESH_POINT:
5066 /* ignore uAPSD data */
5067 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5069 /* associated is disallowed */
5070 if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED))
5072 /* TDLS peers cannot be added */
5073 if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) ||
5074 info->attrs[NL80211_ATTR_PEER_AID])
5077 case NL80211_IFTYPE_STATION:
5078 case NL80211_IFTYPE_P2P_CLIENT:
5079 /* ignore uAPSD data */
5080 params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;
5082 /* these are disallowed */
5083 if (params.sta_flags_mask &
5084 (BIT(NL80211_STA_FLAG_ASSOCIATED) |
5085 BIT(NL80211_STA_FLAG_AUTHENTICATED)))
5087 /* Only TDLS peers can be added */
5088 if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
5090 /* Can only add if TDLS ... */
5091 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS))
5093 /* ... with external setup is supported */
5094 if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
5097 * Older wpa_supplicant versions always mark the TDLS peer
5098 * as authorized, but it shouldn't yet be.
5100 params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED);
5106 /* be aware of params.vlan when changing code here */
5108 err = rdev_add_station(rdev, dev, mac_addr, ¶ms);
5111 dev_put(params.vlan);
5115 static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
5117 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5118 struct net_device *dev = info->user_ptr[1];
5119 struct station_del_parameters params;
5121 memset(¶ms, 0, sizeof(params));
5123 if (info->attrs[NL80211_ATTR_MAC])
5124 params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]);
5126 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5127 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
5128 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
5129 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5132 if (!rdev->ops->del_station)
5135 if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) {
5137 nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]);
5138 if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 &&
5139 params.subtype != IEEE80211_STYPE_DEAUTH >> 4)
5142 /* Default to Deauthentication frame */
5143 params.subtype = IEEE80211_STYPE_DEAUTH >> 4;
5146 if (info->attrs[NL80211_ATTR_REASON_CODE]) {
5147 params.reason_code =
5148 nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
5149 if (params.reason_code == 0)
5150 return -EINVAL; /* 0 is reserved */
5152 /* Default to reason code 2 */
5153 params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
5156 return rdev_del_station(rdev, dev, ¶ms);
5159 static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
5160 int flags, struct net_device *dev,
5161 u8 *dst, u8 *next_hop,
5162 struct mpath_info *pinfo)
5165 struct nlattr *pinfoattr;
5167 hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH);
5171 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5172 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
5173 nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) ||
5174 nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation))
5175 goto nla_put_failure;
5177 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
5179 goto nla_put_failure;
5180 if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) &&
5181 nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
5183 goto nla_put_failure;
5184 if (((pinfo->filled & MPATH_INFO_SN) &&
5185 nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) ||
5186 ((pinfo->filled & MPATH_INFO_METRIC) &&
5187 nla_put_u32(msg, NL80211_MPATH_INFO_METRIC,
5189 ((pinfo->filled & MPATH_INFO_EXPTIME) &&
5190 nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME,
5192 ((pinfo->filled & MPATH_INFO_FLAGS) &&
5193 nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS,
5195 ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) &&
5196 nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
5197 pinfo->discovery_timeout)) ||
5198 ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) &&
5199 nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
5200 pinfo->discovery_retries)))
5201 goto nla_put_failure;
5203 nla_nest_end(msg, pinfoattr);
5205 genlmsg_end(msg, hdr);
5209 genlmsg_cancel(msg, hdr);
5213 static int nl80211_dump_mpath(struct sk_buff *skb,
5214 struct netlink_callback *cb)
5216 struct mpath_info pinfo;
5217 struct cfg80211_registered_device *rdev;
5218 struct wireless_dev *wdev;
5220 u8 next_hop[ETH_ALEN];
5221 int path_idx = cb->args[2];
5224 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5228 if (!rdev->ops->dump_mpath) {
5233 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5239 err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst,
5246 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5247 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5248 wdev->netdev, dst, next_hop,
5256 cb->args[2] = path_idx;
5259 nl80211_finish_wdev_dump(rdev);
5263 static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
5265 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5267 struct net_device *dev = info->user_ptr[1];
5268 struct mpath_info pinfo;
5269 struct sk_buff *msg;
5271 u8 next_hop[ETH_ALEN];
5273 memset(&pinfo, 0, sizeof(pinfo));
5275 if (!info->attrs[NL80211_ATTR_MAC])
5278 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5280 if (!rdev->ops->get_mpath)
5283 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5286 err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo);
5290 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5294 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5295 dev, dst, next_hop, &pinfo) < 0) {
5300 return genlmsg_reply(msg, info);
5303 static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
5305 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5306 struct net_device *dev = info->user_ptr[1];
5308 u8 *next_hop = NULL;
5310 if (!info->attrs[NL80211_ATTR_MAC])
5313 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5316 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5317 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5319 if (!rdev->ops->change_mpath)
5322 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5325 return rdev_change_mpath(rdev, dev, dst, next_hop);
5328 static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
5330 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5331 struct net_device *dev = info->user_ptr[1];
5333 u8 *next_hop = NULL;
5335 if (!info->attrs[NL80211_ATTR_MAC])
5338 if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
5341 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5342 next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
5344 if (!rdev->ops->add_mpath)
5347 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5350 return rdev_add_mpath(rdev, dev, dst, next_hop);
5353 static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
5355 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5356 struct net_device *dev = info->user_ptr[1];
5359 if (info->attrs[NL80211_ATTR_MAC])
5360 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5362 if (!rdev->ops->del_mpath)
5365 return rdev_del_mpath(rdev, dev, dst);
5368 static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info)
5370 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5372 struct net_device *dev = info->user_ptr[1];
5373 struct mpath_info pinfo;
5374 struct sk_buff *msg;
5378 memset(&pinfo, 0, sizeof(pinfo));
5380 if (!info->attrs[NL80211_ATTR_MAC])
5383 dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
5385 if (!rdev->ops->get_mpp)
5388 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
5391 err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo);
5395 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5399 if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0,
5400 dev, dst, mpp, &pinfo) < 0) {
5405 return genlmsg_reply(msg, info);
5408 static int nl80211_dump_mpp(struct sk_buff *skb,
5409 struct netlink_callback *cb)
5411 struct mpath_info pinfo;
5412 struct cfg80211_registered_device *rdev;
5413 struct wireless_dev *wdev;
5416 int path_idx = cb->args[2];
5419 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
5423 if (!rdev->ops->dump_mpp) {
5428 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) {
5434 err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst,
5441 if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid,
5442 cb->nlh->nlmsg_seq, NLM_F_MULTI,
5443 wdev->netdev, dst, mpp,
5451 cb->args[2] = path_idx;
5454 nl80211_finish_wdev_dump(rdev);
5458 static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
5460 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5461 struct net_device *dev = info->user_ptr[1];
5462 struct wireless_dev *wdev = dev->ieee80211_ptr;
5463 struct bss_parameters params;
5466 memset(¶ms, 0, sizeof(params));
5467 /* default to not changing parameters */
5468 params.use_cts_prot = -1;
5469 params.use_short_preamble = -1;
5470 params.use_short_slot_time = -1;
5471 params.ap_isolate = -1;
5472 params.ht_opmode = -1;
5473 params.p2p_ctwindow = -1;
5474 params.p2p_opp_ps = -1;
5476 if (info->attrs[NL80211_ATTR_BSS_CTS_PROT])
5477 params.use_cts_prot =
5478 nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]);
5479 if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE])
5480 params.use_short_preamble =
5481 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]);
5482 if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME])
5483 params.use_short_slot_time =
5484 nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]);
5485 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
5486 params.basic_rates =
5487 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5488 params.basic_rates_len =
5489 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
5491 if (info->attrs[NL80211_ATTR_AP_ISOLATE])
5492 params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]);
5493 if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE])
5495 nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]);
5497 if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
5498 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5500 params.p2p_ctwindow =
5501 nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
5502 if (params.p2p_ctwindow < 0)
5504 if (params.p2p_ctwindow != 0 &&
5505 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN))
5509 if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
5512 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5514 tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
5517 params.p2p_opp_ps = tmp;
5518 if (params.p2p_opp_ps &&
5519 !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS))
5523 if (!rdev->ops->change_bss)
5526 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
5527 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
5531 err = rdev_change_bss(rdev, dev, ¶ms);
5537 static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
5541 enum nl80211_user_reg_hint_type user_reg_hint_type;
5545 * You should only get this when cfg80211 hasn't yet initialized
5546 * completely when built-in to the kernel right between the time
5547 * window between nl80211_init() and regulatory_init(), if that is
5550 if (unlikely(!rcu_access_pointer(cfg80211_regdomain)))
5551 return -EINPROGRESS;
5553 if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
5554 user_reg_hint_type =
5555 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
5557 user_reg_hint_type = NL80211_USER_REG_HINT_USER;
5559 switch (user_reg_hint_type) {
5560 case NL80211_USER_REG_HINT_USER:
5561 case NL80211_USER_REG_HINT_CELL_BASE:
5562 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
5565 data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
5566 return regulatory_hint_user(data, user_reg_hint_type);
5567 case NL80211_USER_REG_HINT_INDOOR:
5568 if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
5569 owner_nlportid = info->snd_portid;
5570 is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR];
5576 return regulatory_hint_indoor(is_indoor, owner_nlportid);
5582 static int nl80211_get_mesh_config(struct sk_buff *skb,
5583 struct genl_info *info)
5585 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5586 struct net_device *dev = info->user_ptr[1];
5587 struct wireless_dev *wdev = dev->ieee80211_ptr;
5588 struct mesh_config cur_params;
5591 struct nlattr *pinfoattr;
5592 struct sk_buff *msg;
5594 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
5597 if (!rdev->ops->get_mesh_config)
5601 /* If not connected, get default parameters */
5602 if (!wdev->mesh_id_len)
5603 memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
5605 err = rdev_get_mesh_config(rdev, dev, &cur_params);
5611 /* Draw up a netlink message to send back */
5612 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
5615 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
5616 NL80211_CMD_GET_MESH_CONFIG);
5619 pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
5621 goto nla_put_failure;
5622 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
5623 nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT,
5624 cur_params.dot11MeshRetryTimeout) ||
5625 nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5626 cur_params.dot11MeshConfirmTimeout) ||
5627 nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT,
5628 cur_params.dot11MeshHoldingTimeout) ||
5629 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
5630 cur_params.dot11MeshMaxPeerLinks) ||
5631 nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES,
5632 cur_params.dot11MeshMaxRetries) ||
5633 nla_put_u8(msg, NL80211_MESHCONF_TTL,
5634 cur_params.dot11MeshTTL) ||
5635 nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL,
5636 cur_params.element_ttl) ||
5637 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5638 cur_params.auto_open_plinks) ||
5639 nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5640 cur_params.dot11MeshNbrOffsetMaxNeighbor) ||
5641 nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5642 cur_params.dot11MeshHWMPmaxPREQretries) ||
5643 nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME,
5644 cur_params.path_refresh_time) ||
5645 nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5646 cur_params.min_discovery_timeout) ||
5647 nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5648 cur_params.dot11MeshHWMPactivePathTimeout) ||
5649 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5650 cur_params.dot11MeshHWMPpreqMinInterval) ||
5651 nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5652 cur_params.dot11MeshHWMPperrMinInterval) ||
5653 nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5654 cur_params.dot11MeshHWMPnetDiameterTraversalTime) ||
5655 nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
5656 cur_params.dot11MeshHWMPRootMode) ||
5657 nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5658 cur_params.dot11MeshHWMPRannInterval) ||
5659 nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5660 cur_params.dot11MeshGateAnnouncementProtocol) ||
5661 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
5662 cur_params.dot11MeshForwarding) ||
5663 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
5664 cur_params.rssi_threshold) ||
5665 nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
5666 cur_params.ht_opmode) ||
5667 nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5668 cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
5669 nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
5670 cur_params.dot11MeshHWMProotInterval) ||
5671 nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
5672 cur_params.dot11MeshHWMPconfirmationInterval) ||
5673 nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE,
5674 cur_params.power_mode) ||
5675 nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW,
5676 cur_params.dot11MeshAwakeWindowDuration) ||
5677 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
5678 cur_params.plink_timeout))
5679 goto nla_put_failure;
5680 nla_nest_end(msg, pinfoattr);
5681 genlmsg_end(msg, hdr);
5682 return genlmsg_reply(msg, info);
5685 genlmsg_cancel(msg, hdr);
5691 static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = {
5692 [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 },
5693 [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 },
5694 [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 },
5695 [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 },
5696 [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 },
5697 [NL80211_MESHCONF_TTL] = { .type = NLA_U8 },
5698 [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
5699 [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
5700 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
5701 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
5702 [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
5703 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
5704 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 },
5705 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 },
5706 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 },
5707 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 },
5708 [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
5709 [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
5710 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
5711 [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
5712 [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
5713 [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
5714 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
5715 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
5716 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
5717 [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 },
5718 [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 },
5719 [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 },
5722 static const struct nla_policy
5723 nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
5724 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 },
5725 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
5726 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
5727 [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
5728 [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 },
5729 [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG },
5730 [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
5731 .len = IEEE80211_MAX_DATA_LEN },
5732 [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
5735 static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out)
5737 u8 val = nla_get_u8(nla);
5738 if (val < min || val > max)
5744 static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out)
5746 u8 val = nla_get_u8(nla);
5747 if (val < min || val > max)
5753 static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out)
5755 u16 val = nla_get_u16(nla);
5756 if (val < min || val > max)
5762 static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out)
5764 u32 val = nla_get_u32(nla);
5765 if (val < min || val > max)
5771 static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out)
5773 s32 val = nla_get_s32(nla);
5774 if (val < min || val > max)
5780 static int nl80211_check_power_mode(const struct nlattr *nla,
5781 enum nl80211_mesh_power_mode min,
5782 enum nl80211_mesh_power_mode max,
5783 enum nl80211_mesh_power_mode *out)
5785 u32 val = nla_get_u32(nla);
5786 if (val < min || val > max)
5792 static int nl80211_parse_mesh_config(struct genl_info *info,
5793 struct mesh_config *cfg,
5796 struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1];
5800 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5803 if (fn(tb[attr], min, max, &cfg->param)) \
5805 mask |= (1 << (attr - 1)); \
5809 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
5811 if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX,
5812 info->attrs[NL80211_ATTR_MESH_CONFIG],
5813 nl80211_meshconf_params_policy))
5816 /* This makes sure that there aren't more than 32 mesh config
5817 * parameters (otherwise our bitfield scheme would not work.) */
5818 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
5820 /* Fill in the params struct */
5821 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255,
5822 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
5824 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255,
5825 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
5827 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255,
5828 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
5830 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255,
5831 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
5833 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16,
5834 mask, NL80211_MESHCONF_MAX_RETRIES,
5836 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255,
5837 mask, NL80211_MESHCONF_TTL, nl80211_check_u8);
5838 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255,
5839 mask, NL80211_MESHCONF_ELEMENT_TTL,
5841 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1,
5842 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
5843 nl80211_check_bool);
5844 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
5846 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
5848 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255,
5849 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
5851 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535,
5852 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
5854 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535,
5855 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
5857 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
5859 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
5861 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
5863 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
5865 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
5867 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
5869 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5870 dot11MeshHWMPnetDiameterTraversalTime,
5872 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
5874 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4,
5875 mask, NL80211_MESHCONF_HWMP_ROOTMODE,
5877 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535,
5878 mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL,
5880 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5881 dot11MeshGateAnnouncementProtocol, 0, 1,
5882 mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
5883 nl80211_check_bool);
5884 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
5885 mask, NL80211_MESHCONF_FORWARDING,
5886 nl80211_check_bool);
5887 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
5888 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
5891 * Check HT operation mode based on
5892 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5894 if (tb[NL80211_MESHCONF_HT_OPMODE]) {
5895 ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
5897 if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION |
5898 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
5899 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5902 if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
5903 (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5906 switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) {
5907 case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
5908 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
5909 if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)
5912 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
5913 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
5914 if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
5918 cfg->ht_opmode = ht_opmode;
5919 mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
5921 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
5923 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
5925 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535,
5926 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
5928 FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
5929 dot11MeshHWMPconfirmationInterval,
5931 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
5933 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode,
5934 NL80211_MESH_POWER_ACTIVE,
5935 NL80211_MESH_POWER_MAX,
5936 mask, NL80211_MESHCONF_POWER_MODE,
5937 nl80211_check_power_mode);
5938 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration,
5940 NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16);
5941 FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff,
5942 mask, NL80211_MESHCONF_PLINK_TIMEOUT,
5949 #undef FILL_IN_MESH_PARAM_IF_SET
5952 static int nl80211_parse_mesh_setup(struct genl_info *info,
5953 struct mesh_setup *setup)
5955 struct cfg80211_registered_device *rdev = info->user_ptr[0];
5956 struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1];
5958 if (!info->attrs[NL80211_ATTR_MESH_SETUP])
5960 if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX,
5961 info->attrs[NL80211_ATTR_MESH_SETUP],
5962 nl80211_mesh_setup_params_policy))
5965 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])
5966 setup->sync_method =
5967 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ?
5968 IEEE80211_SYNC_METHOD_VENDOR :
5969 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET;
5971 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])
5972 setup->path_sel_proto =
5973 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ?
5974 IEEE80211_PATH_PROTOCOL_VENDOR :
5975 IEEE80211_PATH_PROTOCOL_HWMP;
5977 if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])
5978 setup->path_metric =
5979 (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ?
5980 IEEE80211_PATH_METRIC_VENDOR :
5981 IEEE80211_PATH_METRIC_AIRTIME;
5983 if (tb[NL80211_MESH_SETUP_IE]) {
5984 struct nlattr *ieattr =
5985 tb[NL80211_MESH_SETUP_IE];
5986 if (!is_valid_ie_attr(ieattr))
5988 setup->ie = nla_data(ieattr);
5989 setup->ie_len = nla_len(ieattr);
5991 if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] &&
5992 !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM))
5994 setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]);
5995 setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
5996 setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]);
5997 if (setup->is_secure)
5998 setup->user_mpm = true;
6000 if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) {
6001 if (!setup->user_mpm)
6004 nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]);
6010 static int nl80211_update_mesh_config(struct sk_buff *skb,
6011 struct genl_info *info)
6013 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6014 struct net_device *dev = info->user_ptr[1];
6015 struct wireless_dev *wdev = dev->ieee80211_ptr;
6016 struct mesh_config cfg;
6020 if (wdev->iftype != NL80211_IFTYPE_MESH_POINT)
6023 if (!rdev->ops->update_mesh_config)
6026 err = nl80211_parse_mesh_config(info, &cfg, &mask);
6031 if (!wdev->mesh_id_len)
6035 err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
6042 static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom,
6043 struct sk_buff *msg)
6045 struct nlattr *nl_reg_rules;
6048 if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) ||
6049 (regdom->dfs_region &&
6050 nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region)))
6051 goto nla_put_failure;
6053 nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
6055 goto nla_put_failure;
6057 for (i = 0; i < regdom->n_reg_rules; i++) {
6058 struct nlattr *nl_reg_rule;
6059 const struct ieee80211_reg_rule *reg_rule;
6060 const struct ieee80211_freq_range *freq_range;
6061 const struct ieee80211_power_rule *power_rule;
6062 unsigned int max_bandwidth_khz;
6064 reg_rule = ®dom->reg_rules[i];
6065 freq_range = ®_rule->freq_range;
6066 power_rule = ®_rule->power_rule;
6068 nl_reg_rule = nla_nest_start(msg, i);
6070 goto nla_put_failure;
6072 max_bandwidth_khz = freq_range->max_bandwidth_khz;
6073 if (!max_bandwidth_khz)
6074 max_bandwidth_khz = reg_get_max_bandwidth(regdom,
6077 if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
6079 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
6080 freq_range->start_freq_khz) ||
6081 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
6082 freq_range->end_freq_khz) ||
6083 nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
6084 max_bandwidth_khz) ||
6085 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
6086 power_rule->max_antenna_gain) ||
6087 nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
6088 power_rule->max_eirp) ||
6089 nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME,
6090 reg_rule->dfs_cac_ms))
6091 goto nla_put_failure;
6093 nla_nest_end(msg, nl_reg_rule);
6096 nla_nest_end(msg, nl_reg_rules);
6103 static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
6105 const struct ieee80211_regdomain *regdom = NULL;
6106 struct cfg80211_registered_device *rdev;
6107 struct wiphy *wiphy = NULL;
6108 struct sk_buff *msg;
6111 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
6115 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
6116 NL80211_CMD_GET_REG);
6120 if (info->attrs[NL80211_ATTR_WIPHY]) {
6123 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
6126 return PTR_ERR(rdev);
6129 wiphy = &rdev->wiphy;
6130 self_managed = wiphy->regulatory_flags &
6131 REGULATORY_WIPHY_SELF_MANAGED;
6132 regdom = get_wiphy_regdom(wiphy);
6134 /* a self-managed-reg device must have a private regdom */
6135 if (WARN_ON(!regdom && self_managed)) {
6141 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6142 goto nla_put_failure;
6145 if (!wiphy && reg_last_request_cell_base() &&
6146 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6147 NL80211_USER_REG_HINT_CELL_BASE))
6148 goto nla_put_failure;
6153 regdom = rcu_dereference(cfg80211_regdomain);
6155 if (nl80211_put_regdom(regdom, msg))
6156 goto nla_put_failure_rcu;
6160 genlmsg_end(msg, hdr);
6161 return genlmsg_reply(msg, info);
6163 nla_put_failure_rcu:
6166 genlmsg_cancel(msg, hdr);
6172 static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
6173 u32 seq, int flags, struct wiphy *wiphy,
6174 const struct ieee80211_regdomain *regdom)
6176 void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
6177 NL80211_CMD_GET_REG);
6182 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
6184 if (nl80211_put_regdom(regdom, msg))
6185 goto nla_put_failure;
6187 if (!wiphy && reg_last_request_cell_base() &&
6188 nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
6189 NL80211_USER_REG_HINT_CELL_BASE))
6190 goto nla_put_failure;
6193 nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
6194 goto nla_put_failure;
6196 if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
6197 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
6198 goto nla_put_failure;
6200 genlmsg_end(msg, hdr);
6204 genlmsg_cancel(msg, hdr);
6208 static int nl80211_get_reg_dump(struct sk_buff *skb,
6209 struct netlink_callback *cb)
6211 const struct ieee80211_regdomain *regdom = NULL;
6212 struct cfg80211_registered_device *rdev;
6213 int err, reg_idx, start = cb->args[2];
6217 if (cfg80211_regdomain && start == 0) {
6218 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6220 rtnl_dereference(cfg80211_regdomain));
6225 /* the global regdom is idx 0 */
6227 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
6228 regdom = get_wiphy_regdom(&rdev->wiphy);
6232 if (++reg_idx <= start)
6235 err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
6236 NLM_F_MULTI, &rdev->wiphy, regdom);
6243 cb->args[2] = reg_idx;
6250 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6251 static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = {
6252 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
6253 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
6254 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
6255 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
6256 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
6257 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
6258 [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 },
6261 static int parse_reg_rule(struct nlattr *tb[],
6262 struct ieee80211_reg_rule *reg_rule)
6264 struct ieee80211_freq_range *freq_range = ®_rule->freq_range;
6265 struct ieee80211_power_rule *power_rule = ®_rule->power_rule;
6267 if (!tb[NL80211_ATTR_REG_RULE_FLAGS])
6269 if (!tb[NL80211_ATTR_FREQ_RANGE_START])
6271 if (!tb[NL80211_ATTR_FREQ_RANGE_END])
6273 if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
6275 if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
6278 reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]);
6280 freq_range->start_freq_khz =
6281 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
6282 freq_range->end_freq_khz =
6283 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
6284 freq_range->max_bandwidth_khz =
6285 nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
6287 power_rule->max_eirp =
6288 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
6290 if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN])
6291 power_rule->max_antenna_gain =
6292 nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]);
6294 if (tb[NL80211_ATTR_DFS_CAC_TIME])
6295 reg_rule->dfs_cac_ms =
6296 nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]);
6301 static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
6303 struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1];
6304 struct nlattr *nl_reg_rule;
6306 int rem_reg_rules, r;
6307 u32 num_rules = 0, rule_idx = 0, size_of_regd;
6308 enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET;
6309 struct ieee80211_regdomain *rd;
6311 if (!info->attrs[NL80211_ATTR_REG_ALPHA2])
6314 if (!info->attrs[NL80211_ATTR_REG_RULES])
6317 alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
6319 if (info->attrs[NL80211_ATTR_DFS_REGION])
6320 dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]);
6322 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6325 if (num_rules > NL80211_MAX_SUPP_REG_RULES)
6329 if (!reg_is_valid_request(alpha2))
6332 size_of_regd = sizeof(struct ieee80211_regdomain) +
6333 num_rules * sizeof(struct ieee80211_reg_rule);
6335 rd = kzalloc(size_of_regd, GFP_KERNEL);
6339 rd->n_reg_rules = num_rules;
6340 rd->alpha2[0] = alpha2[0];
6341 rd->alpha2[1] = alpha2[1];
6344 * Disable DFS master mode if the DFS region was
6345 * not supported or known on this kernel.
6347 if (reg_supported_dfs_region(dfs_region))
6348 rd->dfs_region = dfs_region;
6350 nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
6352 r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX,
6353 nl_reg_rule, reg_rule_policy);
6356 r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
6362 if (rule_idx > NL80211_MAX_SUPP_REG_RULES) {
6368 /* set_regdom takes ownership of rd */
6369 return set_regdom(rd, REGD_SOURCE_CRDA);
6374 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6376 static int validate_scan_freqs(struct nlattr *freqs)
6378 struct nlattr *attr1, *attr2;
6379 int n_channels = 0, tmp1, tmp2;
6381 nla_for_each_nested(attr1, freqs, tmp1) {
6384 * Some hardware has a limited channel list for
6385 * scanning, and it is pretty much nonsensical
6386 * to scan for a channel twice, so disallow that
6387 * and don't require drivers to check that the
6388 * channel list they get isn't longer than what
6389 * they can scan, as long as they can scan all
6390 * the channels they registered at once.
6392 nla_for_each_nested(attr2, freqs, tmp2)
6393 if (attr1 != attr2 &&
6394 nla_get_u32(attr1) == nla_get_u32(attr2))
6401 static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b)
6403 return b < NUM_NL80211_BANDS && wiphy->bands[b];
6406 static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
6407 struct cfg80211_bss_selection *bss_select)
6409 struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
6410 struct nlattr *nest;
6415 /* only process one nested attribute */
6416 nest = nla_data(nla);
6417 if (!nla_ok(nest, nla_len(nest)))
6420 err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest,
6421 nl80211_bss_select_policy);
6425 /* only one attribute may be given */
6426 for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
6434 bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
6436 if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
6437 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
6439 if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
6440 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
6441 bss_select->param.band_pref =
6442 nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
6443 if (!is_band_valid(wiphy, bss_select->param.band_pref))
6447 if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
6448 struct nl80211_bss_select_rssi_adjust *adj_param;
6450 adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
6451 bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
6452 bss_select->param.adjust.band = adj_param->band;
6453 bss_select->param.adjust.delta = adj_param->delta;
6454 if (!is_band_valid(wiphy, bss_select->param.adjust.band))
6458 /* user-space did not provide behaviour attribute */
6459 if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
6462 if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
6468 static int nl80211_parse_random_mac(struct nlattr **attrs,
6469 u8 *mac_addr, u8 *mac_addr_mask)
6473 if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) {
6474 eth_zero_addr(mac_addr);
6475 eth_zero_addr(mac_addr_mask);
6477 mac_addr_mask[0] = 0x3;
6482 /* need both or none */
6483 if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK])
6486 memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN);
6487 memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN);
6489 /* don't allow or configure an mcast address */
6490 if (!is_multicast_ether_addr(mac_addr_mask) ||
6491 is_multicast_ether_addr(mac_addr))
6495 * allow users to pass a MAC address that has bits set outside
6496 * of the mask, but don't bother drivers with having to deal
6499 for (i = 0; i < ETH_ALEN; i++)
6500 mac_addr[i] &= mac_addr_mask[i];
6505 static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
6507 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6508 struct wireless_dev *wdev = info->user_ptr[1];
6509 struct cfg80211_scan_request *request;
6510 struct nlattr *attr;
6511 struct wiphy *wiphy;
6512 int err, tmp, n_ssids = 0, n_channels, i;
6515 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
6518 wiphy = &rdev->wiphy;
6520 if (wdev->iftype == NL80211_IFTYPE_NAN)
6523 if (!rdev->ops->scan)
6526 if (rdev->scan_req || rdev->scan_msg) {
6531 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6532 n_channels = validate_scan_freqs(
6533 info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
6539 n_channels = ieee80211_get_num_supported_channels(wiphy);
6542 if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
6543 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp)
6546 if (n_ssids > wiphy->max_scan_ssids) {
6551 if (info->attrs[NL80211_ATTR_IE])
6552 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6556 if (ie_len > wiphy->max_scan_ie_len) {
6561 request = kzalloc(sizeof(*request)
6562 + sizeof(*request->ssids) * n_ssids
6563 + sizeof(*request->channels) * n_channels
6564 + ie_len, GFP_KERNEL);
6571 request->ssids = (void *)&request->channels[n_channels];
6572 request->n_ssids = n_ssids;
6575 request->ie = (void *)(request->ssids + n_ssids);
6577 request->ie = (void *)(request->channels + n_channels);
6581 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6582 /* user specified, bail out if channel not found */
6583 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
6584 struct ieee80211_channel *chan;
6586 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
6593 /* ignore disabled channels */
6594 if (chan->flags & IEEE80211_CHAN_DISABLED)
6597 request->channels[i] = chan;
6601 enum nl80211_band band;
6604 for (band = 0; band < NUM_NL80211_BANDS; band++) {
6607 if (!wiphy->bands[band])
6609 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
6610 struct ieee80211_channel *chan;
6612 chan = &wiphy->bands[band]->channels[j];
6614 if (chan->flags & IEEE80211_CHAN_DISABLED)
6617 request->channels[i] = chan;
6628 request->n_channels = i;
6632 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
6633 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
6637 request->ssids[i].ssid_len = nla_len(attr);
6638 memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
6643 if (info->attrs[NL80211_ATTR_IE]) {
6644 request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
6645 memcpy((void *)request->ie,
6646 nla_data(info->attrs[NL80211_ATTR_IE]),
6650 for (i = 0; i < NUM_NL80211_BANDS; i++)
6651 if (wiphy->bands[i])
6653 (1 << wiphy->bands[i]->n_bitrates) - 1;
6655 if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) {
6656 nla_for_each_nested(attr,
6657 info->attrs[NL80211_ATTR_SCAN_SUPP_RATES],
6659 enum nl80211_band band = nla_type(attr);
6661 if (band < 0 || band >= NUM_NL80211_BANDS) {
6666 if (!wiphy->bands[band])
6669 err = ieee80211_get_ratemask(wiphy->bands[band],
6672 &request->rates[band]);
6678 if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) {
6679 if (!wiphy_ext_feature_isset(wiphy,
6680 NL80211_EXT_FEATURE_SET_SCAN_DWELL)) {
6686 nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]);
6687 request->duration_mandatory =
6688 nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]);
6691 if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) {
6692 request->flags = nla_get_u32(
6693 info->attrs[NL80211_ATTR_SCAN_FLAGS]);
6694 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
6695 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
6700 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
6701 if (!(wiphy->features &
6702 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) {
6707 if (wdev->current_bss) {
6712 err = nl80211_parse_random_mac(info->attrs,
6714 request->mac_addr_mask);
6721 nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
6723 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6724 * BSSID to scan for. This was problematic because that same attribute
6725 * was already used for another purpose (local random MAC address). The
6726 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6727 * compatibility with older userspace components, also use the
6728 * NL80211_ATTR_MAC value here if it can be determined to be used for
6729 * the specific BSSID use case instead of the random MAC address
6730 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6732 if (info->attrs[NL80211_ATTR_BSSID])
6733 memcpy(request->bssid,
6734 nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN);
6735 else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) &&
6736 info->attrs[NL80211_ATTR_MAC])
6737 memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]),
6740 eth_broadcast_addr(request->bssid);
6742 request->wdev = wdev;
6743 request->wiphy = &rdev->wiphy;
6744 request->scan_start = jiffies;
6746 rdev->scan_req = request;
6747 err = rdev_scan(rdev, request);
6750 nl80211_send_scan_start(rdev, wdev);
6752 dev_hold(wdev->netdev);
6755 rdev->scan_req = NULL;
6763 static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
6765 struct cfg80211_registered_device *rdev = info->user_ptr[0];
6766 struct wireless_dev *wdev = info->user_ptr[1];
6768 if (!rdev->ops->abort_scan)
6774 if (!rdev->scan_req)
6777 rdev_abort_scan(rdev, wdev);
6782 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
6783 struct cfg80211_sched_scan_request *request,
6784 struct nlattr **attrs)
6786 int tmp, err, i = 0;
6787 struct nlattr *attr;
6789 if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
6793 * If scan plans are not specified,
6794 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6795 * case one scan plan will be set with the specified scan
6796 * interval and infinite number of iterations.
6798 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6801 interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]);
6805 request->scan_plans[0].interval =
6806 DIV_ROUND_UP(interval, MSEC_PER_SEC);
6807 if (!request->scan_plans[0].interval)
6810 if (request->scan_plans[0].interval >
6811 wiphy->max_sched_scan_plan_interval)
6812 request->scan_plans[0].interval =
6813 wiphy->max_sched_scan_plan_interval;
6818 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) {
6819 struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1];
6821 if (WARN_ON(i >= n_plans))
6824 err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX,
6825 attr, nl80211_plan_policy);
6829 if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL])
6832 request->scan_plans[i].interval =
6833 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]);
6834 if (!request->scan_plans[i].interval ||
6835 request->scan_plans[i].interval >
6836 wiphy->max_sched_scan_plan_interval)
6839 if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) {
6840 request->scan_plans[i].iterations =
6841 nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]);
6842 if (!request->scan_plans[i].iterations ||
6843 (request->scan_plans[i].iterations >
6844 wiphy->max_sched_scan_plan_iterations))
6846 } else if (i < n_plans - 1) {
6848 * All scan plans but the last one must specify
6849 * a finite number of iterations
6858 * The last scan plan must not specify the number of
6859 * iterations, it is supposed to run infinitely
6861 if (request->scan_plans[n_plans - 1].iterations)
6867 static struct cfg80211_sched_scan_request *
6868 nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
6869 struct nlattr **attrs)
6871 struct cfg80211_sched_scan_request *request;
6872 struct nlattr *attr;
6873 int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
6874 enum nl80211_band band;
6876 struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
6877 s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
6879 if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE]))
6880 return ERR_PTR(-EINVAL);
6882 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
6883 n_channels = validate_scan_freqs(
6884 attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
6886 return ERR_PTR(-EINVAL);
6888 n_channels = ieee80211_get_num_supported_channels(wiphy);
6891 if (attrs[NL80211_ATTR_SCAN_SSIDS])
6892 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
6896 if (n_ssids > wiphy->max_sched_scan_ssids)
6897 return ERR_PTR(-EINVAL);
6900 * First, count the number of 'real' matchsets. Due to an issue with
6901 * the old implementation, matchsets containing only the RSSI attribute
6902 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6903 * RSSI for all matchsets, rather than their own matchset for reporting
6904 * all APs with a strong RSSI. This is needed to be compatible with
6905 * older userspace that treated a matchset with only the RSSI as the
6906 * global RSSI for all other matchsets - if there are other matchsets.
6908 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
6909 nla_for_each_nested(attr,
6910 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
6912 struct nlattr *rssi;
6914 err = nla_parse_nested(tb,
6915 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
6916 attr, nl80211_match_policy);
6918 return ERR_PTR(err);
6919 /* add other standalone attributes here */
6920 if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
6924 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
6926 default_match_rssi = nla_get_s32(rssi);
6930 /* However, if there's no other matchset, add the RSSI one */
6931 if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
6934 if (n_match_sets > wiphy->max_match_sets)
6935 return ERR_PTR(-EINVAL);
6937 if (attrs[NL80211_ATTR_IE])
6938 ie_len = nla_len(attrs[NL80211_ATTR_IE]);
6942 if (ie_len > wiphy->max_sched_scan_ie_len)
6943 return ERR_PTR(-EINVAL);
6945 if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) {
6947 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6948 * each scan plan already specifies its own interval
6950 if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6951 return ERR_PTR(-EINVAL);
6953 nla_for_each_nested(attr,
6954 attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp)
6958 * The scan interval attribute is kept for backward
6959 * compatibility. If no scan plans are specified and sched scan
6960 * interval is specified, one scan plan will be set with this
6961 * scan interval and infinite number of iterations.
6963 if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
6964 return ERR_PTR(-EINVAL);
6969 if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
6970 return ERR_PTR(-EINVAL);
6972 request = kzalloc(sizeof(*request)
6973 + sizeof(*request->ssids) * n_ssids
6974 + sizeof(*request->match_sets) * n_match_sets
6975 + sizeof(*request->scan_plans) * n_plans
6976 + sizeof(*request->channels) * n_channels
6977 + ie_len, GFP_KERNEL);
6979 return ERR_PTR(-ENOMEM);
6982 request->ssids = (void *)&request->channels[n_channels];
6983 request->n_ssids = n_ssids;
6986 request->ie = (void *)(request->ssids + n_ssids);
6988 request->ie = (void *)(request->channels + n_channels);
6993 request->match_sets = (void *)(request->ie + ie_len);
6995 request->match_sets =
6996 (void *)(request->ssids + n_ssids);
6998 request->match_sets =
6999 (void *)(request->channels + n_channels);
7001 request->n_match_sets = n_match_sets;
7004 request->scan_plans = (void *)(request->match_sets +
7006 else if (request->ie)
7007 request->scan_plans = (void *)(request->ie + ie_len);
7009 request->scan_plans = (void *)(request->ssids + n_ssids);
7011 request->scan_plans = (void *)(request->channels + n_channels);
7013 request->n_scan_plans = n_plans;
7016 if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
7017 /* user specified, bail out if channel not found */
7018 nla_for_each_nested(attr,
7019 attrs[NL80211_ATTR_SCAN_FREQUENCIES],
7021 struct ieee80211_channel *chan;
7023 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
7030 /* ignore disabled channels */
7031 if (chan->flags & IEEE80211_CHAN_DISABLED)
7034 request->channels[i] = chan;
7039 for (band = 0; band < NUM_NL80211_BANDS; band++) {
7042 if (!wiphy->bands[band])
7044 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
7045 struct ieee80211_channel *chan;
7047 chan = &wiphy->bands[band]->channels[j];
7049 if (chan->flags & IEEE80211_CHAN_DISABLED)
7052 request->channels[i] = chan;
7063 request->n_channels = i;
7067 nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS],
7069 if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
7073 request->ssids[i].ssid_len = nla_len(attr);
7074 memcpy(request->ssids[i].ssid, nla_data(attr),
7081 if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
7082 nla_for_each_nested(attr,
7083 attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
7085 struct nlattr *ssid, *rssi;
7087 err = nla_parse_nested(tb,
7088 NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
7089 attr, nl80211_match_policy);
7092 ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
7094 if (WARN_ON(i >= n_match_sets)) {
7095 /* this indicates a programming error,
7096 * the loop above should have verified
7103 if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
7107 memcpy(request->match_sets[i].ssid.ssid,
7108 nla_data(ssid), nla_len(ssid));
7109 request->match_sets[i].ssid.ssid_len =
7111 /* special attribute - old implementation w/a */
7112 request->match_sets[i].rssi_thold =
7114 rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
7116 request->match_sets[i].rssi_thold =
7122 /* there was no other matchset, so the RSSI one is alone */
7123 if (i == 0 && n_match_sets)
7124 request->match_sets[0].rssi_thold = default_match_rssi;
7126 request->min_rssi_thold = INT_MAX;
7127 for (i = 0; i < n_match_sets; i++)
7128 request->min_rssi_thold =
7129 min(request->match_sets[i].rssi_thold,
7130 request->min_rssi_thold);
7132 request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
7136 request->ie_len = ie_len;
7137 memcpy((void *)request->ie,
7138 nla_data(attrs[NL80211_ATTR_IE]),
7142 if (attrs[NL80211_ATTR_SCAN_FLAGS]) {
7143 request->flags = nla_get_u32(
7144 attrs[NL80211_ATTR_SCAN_FLAGS]);
7145 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
7146 !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) {
7151 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
7152 u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR;
7154 if (!wdev) /* must be net-detect */
7155 flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
7157 if (!(wiphy->features & flg)) {
7162 if (wdev && wdev->current_bss) {
7167 err = nl80211_parse_random_mac(attrs, request->mac_addr,
7168 request->mac_addr_mask);
7174 if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY])
7176 nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
7178 err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
7182 request->scan_start = jiffies;
7188 return ERR_PTR(err);
7191 static int nl80211_start_sched_scan(struct sk_buff *skb,
7192 struct genl_info *info)
7194 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7195 struct net_device *dev = info->user_ptr[1];
7196 struct wireless_dev *wdev = dev->ieee80211_ptr;
7197 struct cfg80211_sched_scan_request *sched_scan_req;
7200 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
7201 !rdev->ops->sched_scan_start)
7204 if (rdev->sched_scan_req)
7205 return -EINPROGRESS;
7207 sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev,
7210 err = PTR_ERR_OR_ZERO(sched_scan_req);
7214 err = rdev_sched_scan_start(rdev, dev, sched_scan_req);
7218 sched_scan_req->dev = dev;
7219 sched_scan_req->wiphy = &rdev->wiphy;
7221 if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
7222 sched_scan_req->owner_nlportid = info->snd_portid;
7224 rcu_assign_pointer(rdev->sched_scan_req, sched_scan_req);
7226 nl80211_send_sched_scan(rdev, dev,
7227 NL80211_CMD_START_SCHED_SCAN);
7231 kfree(sched_scan_req);
7236 static int nl80211_stop_sched_scan(struct sk_buff *skb,
7237 struct genl_info *info)
7239 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7241 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
7242 !rdev->ops->sched_scan_stop)
7245 return __cfg80211_stop_sched_scan(rdev, false);
7248 static int nl80211_start_radar_detection(struct sk_buff *skb,
7249 struct genl_info *info)
7251 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7252 struct net_device *dev = info->user_ptr[1];
7253 struct wireless_dev *wdev = dev->ieee80211_ptr;
7254 struct cfg80211_chan_def chandef;
7255 enum nl80211_dfs_regions dfs_region;
7256 unsigned int cac_time_ms;
7259 dfs_region = reg_get_dfs_region(wdev->wiphy);
7260 if (dfs_region == NL80211_DFS_UNSET)
7263 err = nl80211_parse_chandef(rdev, info, &chandef);
7267 if (netif_carrier_ok(dev))
7270 if (wdev->cac_started)
7273 err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
7281 if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef))
7284 if (!rdev->ops->start_radar_detection)
7287 cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef);
7288 if (WARN_ON(!cac_time_ms))
7289 cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
7291 err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
7293 wdev->chandef = chandef;
7294 wdev->cac_started = true;
7295 wdev->cac_start_time = jiffies;
7296 wdev->cac_time_ms = cac_time_ms;
7301 static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
7303 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7304 struct net_device *dev = info->user_ptr[1];
7305 struct wireless_dev *wdev = dev->ieee80211_ptr;
7306 struct cfg80211_csa_settings params;
7307 /* csa_attrs is defined static to avoid waste of stack size - this
7308 * function is called under RTNL lock, so this should not be a problem.
7310 static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
7312 bool need_new_beacon = false;
7316 if (!rdev->ops->channel_switch ||
7317 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
7320 switch (dev->ieee80211_ptr->iftype) {
7321 case NL80211_IFTYPE_AP:
7322 case NL80211_IFTYPE_P2P_GO:
7323 need_new_beacon = true;
7325 /* useless if AP is not running */
7326 if (!wdev->beacon_interval)
7329 case NL80211_IFTYPE_ADHOC:
7330 if (!wdev->ssid_len)
7333 case NL80211_IFTYPE_MESH_POINT:
7334 if (!wdev->mesh_id_len)
7341 memset(¶ms, 0, sizeof(params));
7343 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
7344 !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT])
7347 /* only important for AP, IBSS and mesh create IEs internally */
7348 if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES])
7351 /* Even though the attribute is u32, the specification says
7352 * u8, so let's make sure we don't overflow.
7354 cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]);
7358 params.count = cs_count;
7360 if (!need_new_beacon)
7363 err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after);
7367 err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX,
7368 info->attrs[NL80211_ATTR_CSA_IES],
7373 err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa);
7377 if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
7380 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7381 if (!len || (len % sizeof(u16)))
7384 params.n_counter_offsets_beacon = len / sizeof(u16);
7385 if (rdev->wiphy.max_num_csa_counters &&
7386 (params.n_counter_offsets_beacon >
7387 rdev->wiphy.max_num_csa_counters))
7390 params.counter_offsets_beacon =
7391 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
7393 /* sanity checks - counters should fit and be the same */
7394 for (i = 0; i < params.n_counter_offsets_beacon; i++) {
7395 u16 offset = params.counter_offsets_beacon[i];
7397 if (offset >= params.beacon_csa.tail_len)
7400 if (params.beacon_csa.tail[offset] != params.count)
7404 if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
7405 len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7406 if (!len || (len % sizeof(u16)))
7409 params.n_counter_offsets_presp = len / sizeof(u16);
7410 if (rdev->wiphy.max_num_csa_counters &&
7411 (params.n_counter_offsets_presp >
7412 rdev->wiphy.max_num_csa_counters))
7415 params.counter_offsets_presp =
7416 nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
7418 /* sanity checks - counters should fit and be the same */
7419 for (i = 0; i < params.n_counter_offsets_presp; i++) {
7420 u16 offset = params.counter_offsets_presp[i];
7422 if (offset >= params.beacon_csa.probe_resp_len)
7425 if (params.beacon_csa.probe_resp[offset] !=
7432 err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
7436 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
7440 err = cfg80211_chandef_dfs_required(wdev->wiphy,
7447 params.radar_required = true;
7449 if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX])
7450 params.block_tx = true;
7453 err = rdev_channel_switch(rdev, dev, ¶ms);
7459 static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
7461 struct cfg80211_registered_device *rdev,
7462 struct wireless_dev *wdev,
7463 struct cfg80211_internal_bss *intbss)
7465 struct cfg80211_bss *res = &intbss->pub;
7466 const struct cfg80211_bss_ies *ies;
7470 ASSERT_WDEV_LOCK(wdev);
7472 hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
7473 NL80211_CMD_NEW_SCAN_RESULTS);
7477 genl_dump_check_consistent(cb, hdr, &nl80211_fam);
7479 if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation))
7480 goto nla_put_failure;
7482 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex))
7483 goto nla_put_failure;
7484 if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
7486 goto nla_put_failure;
7488 bss = nla_nest_start(msg, NL80211_ATTR_BSS);
7490 goto nla_put_failure;
7491 if ((!is_zero_ether_addr(res->bssid) &&
7492 nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid)))
7493 goto nla_put_failure;
7496 /* indicate whether we have probe response data or not */
7497 if (rcu_access_pointer(res->proberesp_ies) &&
7498 nla_put_flag(msg, NL80211_BSS_PRESP_DATA))
7499 goto fail_unlock_rcu;
7501 /* this pointer prefers to be pointed to probe response data
7502 * but is always valid
7504 ies = rcu_dereference(res->ies);
7506 if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf,
7508 goto fail_unlock_rcu;
7509 if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS,
7510 ies->len, ies->data))
7511 goto fail_unlock_rcu;
7514 /* and this pointer is always (unless driver didn't know) beacon data */
7515 ies = rcu_dereference(res->beacon_ies);
7516 if (ies && ies->from_beacon) {
7517 if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf,
7519 goto fail_unlock_rcu;
7520 if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES,
7521 ies->len, ies->data))
7522 goto fail_unlock_rcu;
7526 if (res->beacon_interval &&
7527 nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval))
7528 goto nla_put_failure;
7529 if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
7530 nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
7531 nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
7532 nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
7533 jiffies_to_msecs(jiffies - intbss->ts)))
7534 goto nla_put_failure;
7536 if (intbss->parent_tsf &&
7537 (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF,
7538 intbss->parent_tsf, NL80211_BSS_PAD) ||
7539 nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN,
7540 intbss->parent_bssid)))
7541 goto nla_put_failure;
7543 if (intbss->ts_boottime &&
7544 nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME,
7545 intbss->ts_boottime, NL80211_BSS_PAD))
7546 goto nla_put_failure;
7548 switch (rdev->wiphy.signal_type) {
7549 case CFG80211_SIGNAL_TYPE_MBM:
7550 if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal))
7551 goto nla_put_failure;
7553 case CFG80211_SIGNAL_TYPE_UNSPEC:
7554 if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal))
7555 goto nla_put_failure;
7561 switch (wdev->iftype) {
7562 case NL80211_IFTYPE_P2P_CLIENT:
7563 case NL80211_IFTYPE_STATION:
7564 if (intbss == wdev->current_bss &&
7565 nla_put_u32(msg, NL80211_BSS_STATUS,
7566 NL80211_BSS_STATUS_ASSOCIATED))
7567 goto nla_put_failure;
7569 case NL80211_IFTYPE_ADHOC:
7570 if (intbss == wdev->current_bss &&
7571 nla_put_u32(msg, NL80211_BSS_STATUS,
7572 NL80211_BSS_STATUS_IBSS_JOINED))
7573 goto nla_put_failure;
7579 nla_nest_end(msg, bss);
7581 genlmsg_end(msg, hdr);
7587 genlmsg_cancel(msg, hdr);
7591 static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
7593 struct cfg80211_registered_device *rdev;
7594 struct cfg80211_internal_bss *scan;
7595 struct wireless_dev *wdev;
7596 int start = cb->args[2], idx = 0;
7599 err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7604 spin_lock_bh(&rdev->bss_lock);
7605 cfg80211_bss_expire(rdev);
7607 cb->seq = rdev->bss_generation;
7609 list_for_each_entry(scan, &rdev->bss_list, list) {
7612 if (nl80211_send_bss(skb, cb,
7613 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7614 rdev, wdev, scan) < 0) {
7620 spin_unlock_bh(&rdev->bss_lock);
7624 nl80211_finish_wdev_dump(rdev);
7629 static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
7630 int flags, struct net_device *dev,
7631 bool allow_radio_stats,
7632 struct survey_info *survey)
7635 struct nlattr *infoattr;
7637 /* skip radio stats if userspace didn't request them */
7638 if (!survey->channel && !allow_radio_stats)
7641 hdr = nl80211hdr_put(msg, portid, seq, flags,
7642 NL80211_CMD_NEW_SURVEY_RESULTS);
7646 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
7647 goto nla_put_failure;
7649 infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO);
7651 goto nla_put_failure;
7653 if (survey->channel &&
7654 nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY,
7655 survey->channel->center_freq))
7656 goto nla_put_failure;
7658 if ((survey->filled & SURVEY_INFO_NOISE_DBM) &&
7659 nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise))
7660 goto nla_put_failure;
7661 if ((survey->filled & SURVEY_INFO_IN_USE) &&
7662 nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE))
7663 goto nla_put_failure;
7664 if ((survey->filled & SURVEY_INFO_TIME) &&
7665 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME,
7666 survey->time, NL80211_SURVEY_INFO_PAD))
7667 goto nla_put_failure;
7668 if ((survey->filled & SURVEY_INFO_TIME_BUSY) &&
7669 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY,
7670 survey->time_busy, NL80211_SURVEY_INFO_PAD))
7671 goto nla_put_failure;
7672 if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) &&
7673 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY,
7674 survey->time_ext_busy, NL80211_SURVEY_INFO_PAD))
7675 goto nla_put_failure;
7676 if ((survey->filled & SURVEY_INFO_TIME_RX) &&
7677 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX,
7678 survey->time_rx, NL80211_SURVEY_INFO_PAD))
7679 goto nla_put_failure;
7680 if ((survey->filled & SURVEY_INFO_TIME_TX) &&
7681 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX,
7682 survey->time_tx, NL80211_SURVEY_INFO_PAD))
7683 goto nla_put_failure;
7684 if ((survey->filled & SURVEY_INFO_TIME_SCAN) &&
7685 nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN,
7686 survey->time_scan, NL80211_SURVEY_INFO_PAD))
7687 goto nla_put_failure;
7689 nla_nest_end(msg, infoattr);
7691 genlmsg_end(msg, hdr);
7695 genlmsg_cancel(msg, hdr);
7699 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
7701 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
7702 struct survey_info survey;
7703 struct cfg80211_registered_device *rdev;
7704 struct wireless_dev *wdev;
7705 int survey_idx = cb->args[2];
7709 res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev);
7713 /* prepare_wdev_dump parsed the attributes */
7714 radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
7716 if (!wdev->netdev) {
7721 if (!rdev->ops->dump_survey) {
7727 res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
7733 /* don't send disabled channels, but do send non-channel data */
7734 if (survey.channel &&
7735 survey.channel->flags & IEEE80211_CHAN_DISABLED) {
7740 if (nl80211_send_survey(skb,
7741 NETLINK_CB(cb->skb).portid,
7742 cb->nlh->nlmsg_seq, NLM_F_MULTI,
7743 wdev->netdev, radio_stats, &survey) < 0)
7749 cb->args[2] = survey_idx;
7752 nl80211_finish_wdev_dump(rdev);
7756 static bool nl80211_valid_wpa_versions(u32 wpa_versions)
7758 return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
7759 NL80211_WPA_VERSION_2));
7762 static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
7764 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7765 struct net_device *dev = info->user_ptr[1];
7766 struct ieee80211_channel *chan;
7767 const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL;
7768 int err, ssid_len, ie_len = 0, auth_data_len = 0;
7769 enum nl80211_auth_type auth_type;
7770 struct key_parse key;
7771 bool local_state_change;
7773 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7776 if (!info->attrs[NL80211_ATTR_MAC])
7779 if (!info->attrs[NL80211_ATTR_AUTH_TYPE])
7782 if (!info->attrs[NL80211_ATTR_SSID])
7785 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
7788 err = nl80211_parse_key(info, &key);
7793 if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP)
7795 if (!key.p.key || !key.p.key_len)
7797 if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 ||
7798 key.p.key_len != WLAN_KEY_LEN_WEP40) &&
7799 (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 ||
7800 key.p.key_len != WLAN_KEY_LEN_WEP104))
7813 for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
7814 if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
7823 if (!rdev->ops->auth)
7826 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7827 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7830 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7831 chan = nl80211_get_valid_chan(&rdev->wiphy,
7832 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7836 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7837 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
7839 if (info->attrs[NL80211_ATTR_IE]) {
7840 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
7841 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
7844 auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
7845 if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
7848 if ((auth_type == NL80211_AUTHTYPE_SAE ||
7849 auth_type == NL80211_AUTHTYPE_FILS_SK ||
7850 auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
7851 auth_type == NL80211_AUTHTYPE_FILS_PK) &&
7852 !info->attrs[NL80211_ATTR_AUTH_DATA])
7855 if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
7856 if (auth_type != NL80211_AUTHTYPE_SAE &&
7857 auth_type != NL80211_AUTHTYPE_FILS_SK &&
7858 auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
7859 auth_type != NL80211_AUTHTYPE_FILS_PK)
7861 auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
7862 auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);
7863 /* need to include at least Auth Transaction and Status Code */
7864 if (auth_data_len < 4)
7868 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
7871 * Since we no longer track auth state, ignore
7872 * requests to only change local state.
7874 if (local_state_change)
7877 wdev_lock(dev->ieee80211_ptr);
7878 err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid,
7879 ssid, ssid_len, ie, ie_len,
7880 key.p.key, key.p.key_len, key.idx,
7881 auth_data, auth_data_len);
7882 wdev_unlock(dev->ieee80211_ptr);
7886 static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
7887 struct genl_info *info,
7888 struct cfg80211_crypto_settings *settings,
7891 memset(settings, 0, sizeof(*settings));
7893 settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
7895 if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) {
7898 proto = nla_get_u16(
7899 info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
7900 settings->control_port_ethertype = cpu_to_be16(proto);
7901 if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) &&
7904 if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT])
7905 settings->control_port_no_encrypt = true;
7907 settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE);
7909 if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
7913 data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
7914 len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
7915 settings->n_ciphers_pairwise = len / sizeof(u32);
7917 if (len % sizeof(u32))
7920 if (settings->n_ciphers_pairwise > cipher_limit)
7923 memcpy(settings->ciphers_pairwise, data, len);
7925 for (i = 0; i < settings->n_ciphers_pairwise; i++)
7926 if (!cfg80211_supported_cipher_suite(
7928 settings->ciphers_pairwise[i]))
7932 if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
7933 settings->cipher_group =
7934 nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
7935 if (!cfg80211_supported_cipher_suite(&rdev->wiphy,
7936 settings->cipher_group))
7940 if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
7941 settings->wpa_versions =
7942 nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
7943 if (!nl80211_valid_wpa_versions(settings->wpa_versions))
7947 if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
7951 data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
7952 len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
7953 settings->n_akm_suites = len / sizeof(u32);
7955 if (len % sizeof(u32))
7958 if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES)
7961 memcpy(settings->akm_suites, data, len);
7967 static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
7969 struct cfg80211_registered_device *rdev = info->user_ptr[0];
7970 struct net_device *dev = info->user_ptr[1];
7971 struct ieee80211_channel *chan;
7972 struct cfg80211_assoc_request req = {};
7973 const u8 *bssid, *ssid;
7974 int err, ssid_len = 0;
7976 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
7979 if (!info->attrs[NL80211_ATTR_MAC] ||
7980 !info->attrs[NL80211_ATTR_SSID] ||
7981 !info->attrs[NL80211_ATTR_WIPHY_FREQ])
7984 if (!rdev->ops->assoc)
7987 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
7988 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
7991 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
7993 chan = nl80211_get_valid_chan(&rdev->wiphy,
7994 info->attrs[NL80211_ATTR_WIPHY_FREQ]);
7998 ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
7999 ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8001 if (info->attrs[NL80211_ATTR_IE]) {
8002 req.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8003 req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8006 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8007 enum nl80211_mfp mfp =
8008 nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8009 if (mfp == NL80211_MFP_REQUIRED)
8011 else if (mfp != NL80211_MFP_NO)
8015 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8016 req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8018 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8019 req.flags |= ASSOC_REQ_DISABLE_HT;
8021 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8022 memcpy(&req.ht_capa_mask,
8023 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8024 sizeof(req.ht_capa_mask));
8026 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8027 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8029 memcpy(&req.ht_capa,
8030 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8031 sizeof(req.ht_capa));
8034 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8035 req.flags |= ASSOC_REQ_DISABLE_VHT;
8037 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8038 memcpy(&req.vht_capa_mask,
8039 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8040 sizeof(req.vht_capa_mask));
8042 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8043 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8045 memcpy(&req.vht_capa,
8046 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8047 sizeof(req.vht_capa));
8050 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8051 if (!((rdev->wiphy.features &
8052 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8053 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8054 !wiphy_ext_feature_isset(&rdev->wiphy,
8055 NL80211_EXT_FEATURE_RRM))
8057 req.flags |= ASSOC_REQ_USE_RRM;
8060 if (info->attrs[NL80211_ATTR_FILS_KEK]) {
8061 req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]);
8062 req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]);
8063 if (!info->attrs[NL80211_ATTR_FILS_NONCES])
8066 nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]);
8069 err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
8071 wdev_lock(dev->ieee80211_ptr);
8072 err = cfg80211_mlme_assoc(rdev, dev, chan, bssid,
8073 ssid, ssid_len, &req);
8074 wdev_unlock(dev->ieee80211_ptr);
8080 static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
8082 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8083 struct net_device *dev = info->user_ptr[1];
8084 const u8 *ie = NULL, *bssid;
8085 int ie_len = 0, err;
8087 bool local_state_change;
8089 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8092 if (!info->attrs[NL80211_ATTR_MAC])
8095 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8098 if (!rdev->ops->deauth)
8101 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8102 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8105 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8107 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8108 if (reason_code == 0) {
8109 /* Reason Code 0 is reserved */
8113 if (info->attrs[NL80211_ATTR_IE]) {
8114 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8115 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8118 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8120 wdev_lock(dev->ieee80211_ptr);
8121 err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
8122 local_state_change);
8123 wdev_unlock(dev->ieee80211_ptr);
8127 static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
8129 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8130 struct net_device *dev = info->user_ptr[1];
8131 const u8 *ie = NULL, *bssid;
8132 int ie_len = 0, err;
8134 bool local_state_change;
8136 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8139 if (!info->attrs[NL80211_ATTR_MAC])
8142 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8145 if (!rdev->ops->disassoc)
8148 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8149 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8152 bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8154 reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8155 if (reason_code == 0) {
8156 /* Reason Code 0 is reserved */
8160 if (info->attrs[NL80211_ATTR_IE]) {
8161 ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8162 ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8165 local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
8167 wdev_lock(dev->ieee80211_ptr);
8168 err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
8169 local_state_change);
8170 wdev_unlock(dev->ieee80211_ptr);
8175 nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
8176 int mcast_rate[NUM_NL80211_BANDS],
8179 struct wiphy *wiphy = &rdev->wiphy;
8183 for (band = 0; band < NUM_NL80211_BANDS; band++) {
8184 struct ieee80211_supported_band *sband;
8186 sband = wiphy->bands[band];
8190 for (i = 0; i < sband->n_bitrates; i++) {
8191 if (sband->bitrates[i].bitrate == rateval) {
8192 mcast_rate[band] = i + 1;
8202 static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
8204 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8205 struct net_device *dev = info->user_ptr[1];
8206 struct cfg80211_ibss_params ibss;
8207 struct wiphy *wiphy;
8208 struct cfg80211_cached_keys *connkeys = NULL;
8211 memset(&ibss, 0, sizeof(ibss));
8213 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8216 if (!info->attrs[NL80211_ATTR_SSID] ||
8217 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8220 ibss.beacon_interval = 100;
8222 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL])
8223 ibss.beacon_interval =
8224 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
8226 err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC,
8227 ibss.beacon_interval);
8231 if (!rdev->ops->join_ibss)
8234 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8237 wiphy = &rdev->wiphy;
8239 if (info->attrs[NL80211_ATTR_MAC]) {
8240 ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8242 if (!is_valid_ether_addr(ibss.bssid))
8245 ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8246 ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8248 if (info->attrs[NL80211_ATTR_IE]) {
8249 ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8250 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8253 err = nl80211_parse_chandef(rdev, info, &ibss.chandef);
8257 if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef,
8258 NL80211_IFTYPE_ADHOC))
8261 switch (ibss.chandef.width) {
8262 case NL80211_CHAN_WIDTH_5:
8263 case NL80211_CHAN_WIDTH_10:
8264 case NL80211_CHAN_WIDTH_20_NOHT:
8266 case NL80211_CHAN_WIDTH_20:
8267 case NL80211_CHAN_WIDTH_40:
8268 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8271 case NL80211_CHAN_WIDTH_80:
8272 case NL80211_CHAN_WIDTH_80P80:
8273 case NL80211_CHAN_WIDTH_160:
8274 if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS))
8276 if (!wiphy_ext_feature_isset(&rdev->wiphy,
8277 NL80211_EXT_FEATURE_VHT_IBSS))
8284 ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
8285 ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
8287 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
8289 nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8291 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
8292 struct ieee80211_supported_band *sband =
8293 wiphy->bands[ibss.chandef.chan->band];
8295 err = ieee80211_get_ratemask(sband, rates, n_rates,
8301 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8302 memcpy(&ibss.ht_capa_mask,
8303 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8304 sizeof(ibss.ht_capa_mask));
8306 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8307 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8309 memcpy(&ibss.ht_capa,
8310 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8311 sizeof(ibss.ht_capa));
8314 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
8315 !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
8316 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
8319 if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8322 connkeys = nl80211_parse_connkeys(rdev,
8323 info->attrs[NL80211_ATTR_KEYS],
8325 if (IS_ERR(connkeys))
8326 return PTR_ERR(connkeys);
8328 if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) &&
8336 nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]);
8338 ibss.userspace_handles_dfs =
8339 nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
8341 err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
8347 static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
8349 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8350 struct net_device *dev = info->user_ptr[1];
8352 if (!rdev->ops->leave_ibss)
8355 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
8358 return cfg80211_leave_ibss(rdev, dev, false);
8361 static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
8363 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8364 struct net_device *dev = info->user_ptr[1];
8365 int mcast_rate[NUM_NL80211_BANDS];
8369 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
8370 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
8371 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
8374 if (!rdev->ops->set_mcast_rate)
8377 memset(mcast_rate, 0, sizeof(mcast_rate));
8379 if (!info->attrs[NL80211_ATTR_MCAST_RATE])
8382 nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
8383 if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
8386 err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
8391 static struct sk_buff *
8392 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
8393 struct wireless_dev *wdev, int approxlen,
8394 u32 portid, u32 seq, enum nl80211_commands cmd,
8395 enum nl80211_attrs attr,
8396 const struct nl80211_vendor_cmd_info *info,
8399 struct sk_buff *skb;
8401 struct nlattr *data;
8403 skb = nlmsg_new(approxlen + 100, gfp);
8407 hdr = nl80211hdr_put(skb, portid, seq, 0, cmd);
8413 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
8414 goto nla_put_failure;
8417 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID,
8419 goto nla_put_failure;
8420 if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD,
8422 goto nla_put_failure;
8426 if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
8427 wdev_id(wdev), NL80211_ATTR_PAD))
8428 goto nla_put_failure;
8430 nla_put_u32(skb, NL80211_ATTR_IFINDEX,
8431 wdev->netdev->ifindex))
8432 goto nla_put_failure;
8435 data = nla_nest_start(skb, attr);
8437 goto nla_put_failure;
8439 ((void **)skb->cb)[0] = rdev;
8440 ((void **)skb->cb)[1] = hdr;
8441 ((void **)skb->cb)[2] = data;
8450 struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
8451 struct wireless_dev *wdev,
8452 enum nl80211_commands cmd,
8453 enum nl80211_attrs attr,
8454 int vendor_event_idx,
8455 int approxlen, gfp_t gfp)
8457 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
8458 const struct nl80211_vendor_cmd_info *info;
8461 case NL80211_CMD_TESTMODE:
8462 if (WARN_ON(vendor_event_idx != -1))
8466 case NL80211_CMD_VENDOR:
8467 if (WARN_ON(vendor_event_idx < 0 ||
8468 vendor_event_idx >= wiphy->n_vendor_events))
8470 info = &wiphy->vendor_events[vendor_event_idx];
8477 return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0,
8478 cmd, attr, info, gfp);
8480 EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
8482 void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
8484 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
8485 void *hdr = ((void **)skb->cb)[1];
8486 struct nlattr *data = ((void **)skb->cb)[2];
8487 enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
8489 /* clear CB data for netlink core to own from now on */
8490 memset(skb->cb, 0, sizeof(skb->cb));
8492 nla_nest_end(skb, data);
8493 genlmsg_end(skb, hdr);
8495 if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
8496 mcgrp = NL80211_MCGRP_VENDOR;
8498 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
8501 EXPORT_SYMBOL(__cfg80211_send_event_skb);
8503 #ifdef CONFIG_NL80211_TESTMODE
8504 static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
8506 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8507 struct wireless_dev *wdev =
8508 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
8511 if (!rdev->ops->testmode_cmd)
8515 err = PTR_ERR(wdev);
8519 } else if (wdev->wiphy != &rdev->wiphy) {
8523 if (!info->attrs[NL80211_ATTR_TESTDATA])
8526 rdev->cur_cmd_info = info;
8527 err = rdev_testmode_cmd(rdev, wdev,
8528 nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
8529 nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
8530 rdev->cur_cmd_info = NULL;
8535 static int nl80211_testmode_dump(struct sk_buff *skb,
8536 struct netlink_callback *cb)
8538 struct cfg80211_registered_device *rdev;
8548 * 0 is a valid index, but not valid for args[0],
8549 * so we need to offset by 1.
8551 phy_idx = cb->args[0] - 1;
8553 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
8555 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
8556 attrbuf, nl80211_fam.maxattr, nl80211_policy);
8560 rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
8562 err = PTR_ERR(rdev);
8565 phy_idx = rdev->wiphy_idx;
8568 if (attrbuf[NL80211_ATTR_TESTDATA])
8569 cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA];
8573 data = nla_data((void *)cb->args[1]);
8574 data_len = nla_len((void *)cb->args[1]);
8577 rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
8583 if (!rdev->ops->testmode_dump) {
8589 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
8590 cb->nlh->nlmsg_seq, NLM_F_MULTI,
8591 NL80211_CMD_TESTMODE);
8592 struct nlattr *tmdata;
8597 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) {
8598 genlmsg_cancel(skb, hdr);
8602 tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
8604 genlmsg_cancel(skb, hdr);
8607 err = rdev_testmode_dump(rdev, skb, cb, data, data_len);
8608 nla_nest_end(skb, tmdata);
8610 if (err == -ENOBUFS || err == -ENOENT) {
8611 genlmsg_cancel(skb, hdr);
8614 genlmsg_cancel(skb, hdr);
8618 genlmsg_end(skb, hdr);
8623 cb->args[0] = phy_idx + 1;
8630 static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
8632 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8633 struct net_device *dev = info->user_ptr[1];
8634 struct cfg80211_connect_params connect;
8635 struct wiphy *wiphy;
8636 struct cfg80211_cached_keys *connkeys = NULL;
8639 memset(&connect, 0, sizeof(connect));
8641 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8644 if (!info->attrs[NL80211_ATTR_SSID] ||
8645 !nla_len(info->attrs[NL80211_ATTR_SSID]))
8648 if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
8650 nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
8651 if (!nl80211_valid_auth_type(rdev, connect.auth_type,
8652 NL80211_CMD_CONNECT))
8655 connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
8657 connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
8659 err = nl80211_crypto_settings(rdev, info, &connect.crypto,
8660 NL80211_MAX_NR_CIPHER_SUITES);
8664 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8665 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8668 wiphy = &rdev->wiphy;
8670 connect.bg_scan_period = -1;
8671 if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] &&
8672 (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) {
8673 connect.bg_scan_period =
8674 nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]);
8677 if (info->attrs[NL80211_ATTR_MAC])
8678 connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8679 else if (info->attrs[NL80211_ATTR_MAC_HINT])
8680 connect.bssid_hint =
8681 nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
8682 connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
8683 connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
8685 if (info->attrs[NL80211_ATTR_IE]) {
8686 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8687 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8690 if (info->attrs[NL80211_ATTR_USE_MFP]) {
8691 connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]);
8692 if (connect.mfp != NL80211_MFP_REQUIRED &&
8693 connect.mfp != NL80211_MFP_NO)
8696 connect.mfp = NL80211_MFP_NO;
8699 if (info->attrs[NL80211_ATTR_PREV_BSSID])
8700 connect.prev_bssid =
8701 nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
8703 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
8704 connect.channel = nl80211_get_valid_chan(
8705 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
8706 if (!connect.channel)
8708 } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
8709 connect.channel_hint = nl80211_get_valid_chan(
8710 wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
8711 if (!connect.channel_hint)
8715 if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) {
8716 connkeys = nl80211_parse_connkeys(rdev,
8717 info->attrs[NL80211_ATTR_KEYS], NULL);
8718 if (IS_ERR(connkeys))
8719 return PTR_ERR(connkeys);
8722 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT]))
8723 connect.flags |= ASSOC_REQ_DISABLE_HT;
8725 if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
8726 memcpy(&connect.ht_capa_mask,
8727 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
8728 sizeof(connect.ht_capa_mask));
8730 if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
8731 if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
8735 memcpy(&connect.ht_capa,
8736 nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
8737 sizeof(connect.ht_capa));
8740 if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT]))
8741 connect.flags |= ASSOC_REQ_DISABLE_VHT;
8743 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK])
8744 memcpy(&connect.vht_capa_mask,
8745 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]),
8746 sizeof(connect.vht_capa_mask));
8748 if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
8749 if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
8753 memcpy(&connect.vht_capa,
8754 nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]),
8755 sizeof(connect.vht_capa));
8758 if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
8759 if (!((rdev->wiphy.features &
8760 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) &&
8761 (rdev->wiphy.features & NL80211_FEATURE_QUIET)) &&
8762 !wiphy_ext_feature_isset(&rdev->wiphy,
8763 NL80211_EXT_FEATURE_RRM)) {
8767 connect.flags |= ASSOC_REQ_USE_RRM;
8770 connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
8771 if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
8776 if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
8777 /* bss selection makes no sense if bssid is set */
8778 if (connect.bssid) {
8783 err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
8784 wiphy, &connect.bss_select);
8791 wdev_lock(dev->ieee80211_ptr);
8792 err = cfg80211_connect(rdev, dev, &connect, connkeys,
8793 connect.prev_bssid);
8794 wdev_unlock(dev->ieee80211_ptr);
8800 static int nl80211_update_connect_params(struct sk_buff *skb,
8801 struct genl_info *info)
8803 struct cfg80211_connect_params connect = {};
8804 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8805 struct net_device *dev = info->user_ptr[1];
8806 struct wireless_dev *wdev = dev->ieee80211_ptr;
8810 if (!rdev->ops->update_connect_params)
8813 if (info->attrs[NL80211_ATTR_IE]) {
8814 if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
8816 connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
8817 connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
8818 changed |= UPDATE_ASSOC_IES;
8821 wdev_lock(dev->ieee80211_ptr);
8822 if (!wdev->current_bss)
8825 ret = rdev_update_connect_params(rdev, dev, &connect, changed);
8826 wdev_unlock(dev->ieee80211_ptr);
8831 static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
8833 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8834 struct net_device *dev = info->user_ptr[1];
8838 if (!info->attrs[NL80211_ATTR_REASON_CODE])
8839 reason = WLAN_REASON_DEAUTH_LEAVING;
8841 reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
8846 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8847 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8850 wdev_lock(dev->ieee80211_ptr);
8851 ret = cfg80211_disconnect(rdev, dev, reason, true);
8852 wdev_unlock(dev->ieee80211_ptr);
8856 static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
8858 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8862 if (info->attrs[NL80211_ATTR_PID]) {
8863 u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
8865 net = get_net_ns_by_pid(pid);
8866 } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
8867 u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
8869 net = get_net_ns_by_fd(fd);
8875 return PTR_ERR(net);
8879 /* check if anything to do */
8880 if (!net_eq(wiphy_net(&rdev->wiphy), net))
8881 err = cfg80211_switch_netns(rdev, net);
8887 static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
8889 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8890 int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
8891 struct cfg80211_pmksa *pmksa) = NULL;
8892 struct net_device *dev = info->user_ptr[1];
8893 struct cfg80211_pmksa pmksa;
8895 memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
8897 if (!info->attrs[NL80211_ATTR_MAC])
8900 if (!info->attrs[NL80211_ATTR_PMKID])
8903 pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
8904 pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
8906 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8907 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8910 switch (info->genlhdr->cmd) {
8911 case NL80211_CMD_SET_PMKSA:
8912 rdev_ops = rdev->ops->set_pmksa;
8914 case NL80211_CMD_DEL_PMKSA:
8915 rdev_ops = rdev->ops->del_pmksa;
8925 return rdev_ops(&rdev->wiphy, dev, &pmksa);
8928 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
8930 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8931 struct net_device *dev = info->user_ptr[1];
8933 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
8934 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
8937 if (!rdev->ops->flush_pmksa)
8940 return rdev_flush_pmksa(rdev, dev);
8943 static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info)
8945 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8946 struct net_device *dev = info->user_ptr[1];
8947 u8 action_code, dialog_token;
8948 u32 peer_capability = 0;
8953 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
8954 !rdev->ops->tdls_mgmt)
8957 if (!info->attrs[NL80211_ATTR_TDLS_ACTION] ||
8958 !info->attrs[NL80211_ATTR_STATUS_CODE] ||
8959 !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] ||
8960 !info->attrs[NL80211_ATTR_IE] ||
8961 !info->attrs[NL80211_ATTR_MAC])
8964 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
8965 action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]);
8966 status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]);
8967 dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]);
8968 initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]);
8969 if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY])
8971 nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]);
8973 return rdev_tdls_mgmt(rdev, dev, peer, action_code,
8974 dialog_token, status_code, peer_capability,
8976 nla_data(info->attrs[NL80211_ATTR_IE]),
8977 nla_len(info->attrs[NL80211_ATTR_IE]));
8980 static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info)
8982 struct cfg80211_registered_device *rdev = info->user_ptr[0];
8983 struct net_device *dev = info->user_ptr[1];
8984 enum nl80211_tdls_operation operation;
8987 if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
8988 !rdev->ops->tdls_oper)
8991 if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] ||
8992 !info->attrs[NL80211_ATTR_MAC])
8995 operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]);
8996 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
8998 return rdev_tdls_oper(rdev, dev, peer, operation);
9001 static int nl80211_remain_on_channel(struct sk_buff *skb,
9002 struct genl_info *info)
9004 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9005 struct wireless_dev *wdev = info->user_ptr[1];
9006 struct cfg80211_chan_def chandef;
9007 struct sk_buff *msg;
9013 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] ||
9014 !info->attrs[NL80211_ATTR_DURATION])
9017 duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9019 if (!rdev->ops->remain_on_channel ||
9020 !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
9024 * We should be on that channel for at least a minimum amount of
9025 * time (10ms) but no longer than the driver supports.
9027 if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9028 duration > rdev->wiphy.max_remain_on_channel_duration)
9031 err = nl80211_parse_chandef(rdev, info, &chandef);
9035 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9039 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9040 NL80211_CMD_REMAIN_ON_CHANNEL);
9046 err = rdev_remain_on_channel(rdev, wdev, chandef.chan,
9052 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9054 goto nla_put_failure;
9056 genlmsg_end(msg, hdr);
9058 return genlmsg_reply(msg, info);
9067 static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
9068 struct genl_info *info)
9070 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9071 struct wireless_dev *wdev = info->user_ptr[1];
9074 if (!info->attrs[NL80211_ATTR_COOKIE])
9077 if (!rdev->ops->cancel_remain_on_channel)
9080 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9082 return rdev_cancel_remain_on_channel(rdev, wdev, cookie);
9085 static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
9086 struct genl_info *info)
9088 struct cfg80211_bitrate_mask mask;
9089 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9090 struct net_device *dev = info->user_ptr[1];
9093 if (!rdev->ops->set_bitrate_mask)
9096 err = nl80211_parse_tx_bitrate_mask(info, &mask);
9100 return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
9103 static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
9105 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9106 struct wireless_dev *wdev = info->user_ptr[1];
9107 u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
9109 if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
9112 if (info->attrs[NL80211_ATTR_FRAME_TYPE])
9113 frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
9115 switch (wdev->iftype) {
9116 case NL80211_IFTYPE_STATION:
9117 case NL80211_IFTYPE_ADHOC:
9118 case NL80211_IFTYPE_P2P_CLIENT:
9119 case NL80211_IFTYPE_AP:
9120 case NL80211_IFTYPE_AP_VLAN:
9121 case NL80211_IFTYPE_MESH_POINT:
9122 case NL80211_IFTYPE_P2P_GO:
9123 case NL80211_IFTYPE_P2P_DEVICE:
9125 case NL80211_IFTYPE_NAN:
9130 /* not much point in registering if we can't reply */
9131 if (!rdev->ops->mgmt_tx)
9134 return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
9135 nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
9136 nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
9139 static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
9141 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9142 struct wireless_dev *wdev = info->user_ptr[1];
9143 struct cfg80211_chan_def chandef;
9147 struct sk_buff *msg = NULL;
9148 struct cfg80211_mgmt_tx_params params = {
9149 .dont_wait_for_ack =
9150 info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK],
9153 if (!info->attrs[NL80211_ATTR_FRAME])
9156 if (!rdev->ops->mgmt_tx)
9159 switch (wdev->iftype) {
9160 case NL80211_IFTYPE_P2P_DEVICE:
9161 if (!info->attrs[NL80211_ATTR_WIPHY_FREQ])
9163 case NL80211_IFTYPE_STATION:
9164 case NL80211_IFTYPE_ADHOC:
9165 case NL80211_IFTYPE_P2P_CLIENT:
9166 case NL80211_IFTYPE_AP:
9167 case NL80211_IFTYPE_AP_VLAN:
9168 case NL80211_IFTYPE_MESH_POINT:
9169 case NL80211_IFTYPE_P2P_GO:
9171 case NL80211_IFTYPE_NAN:
9176 if (info->attrs[NL80211_ATTR_DURATION]) {
9177 if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9179 params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
9182 * We should wait on the channel for at least a minimum amount
9183 * of time (10ms) but no longer than the driver supports.
9185 if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME ||
9186 params.wait > rdev->wiphy.max_remain_on_channel_duration)
9190 params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
9192 if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
9195 params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
9197 /* get the channel if any has been specified, otherwise pass NULL to
9198 * the driver. The latter will use the current one
9200 chandef.chan = NULL;
9201 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9202 err = nl80211_parse_chandef(rdev, info, &chandef);
9207 if (!chandef.chan && params.offchan)
9210 params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
9211 params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
9213 if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
9214 int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9217 if (len % sizeof(u16))
9220 params.n_csa_offsets = len / sizeof(u16);
9221 params.csa_offsets =
9222 nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
9224 /* check that all the offsets fit the frame */
9225 for (i = 0; i < params.n_csa_offsets; i++) {
9226 if (params.csa_offsets[i] >= params.len)
9231 if (!params.dont_wait_for_ack) {
9232 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9236 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9244 params.chan = chandef.chan;
9245 err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie);
9250 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
9252 goto nla_put_failure;
9254 genlmsg_end(msg, hdr);
9255 return genlmsg_reply(msg, info);
9267 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
9269 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9270 struct wireless_dev *wdev = info->user_ptr[1];
9273 if (!info->attrs[NL80211_ATTR_COOKIE])
9276 if (!rdev->ops->mgmt_tx_cancel_wait)
9279 switch (wdev->iftype) {
9280 case NL80211_IFTYPE_STATION:
9281 case NL80211_IFTYPE_ADHOC:
9282 case NL80211_IFTYPE_P2P_CLIENT:
9283 case NL80211_IFTYPE_AP:
9284 case NL80211_IFTYPE_AP_VLAN:
9285 case NL80211_IFTYPE_P2P_GO:
9286 case NL80211_IFTYPE_P2P_DEVICE:
9288 case NL80211_IFTYPE_NAN:
9293 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
9295 return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie);
9298 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
9300 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9301 struct wireless_dev *wdev;
9302 struct net_device *dev = info->user_ptr[1];
9307 if (!info->attrs[NL80211_ATTR_PS_STATE])
9310 ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]);
9312 if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED)
9315 wdev = dev->ieee80211_ptr;
9317 if (!rdev->ops->set_power_mgmt)
9320 state = (ps_state == NL80211_PS_ENABLED) ? true : false;
9322 if (state == wdev->ps)
9325 err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout);
9331 static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
9333 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9334 enum nl80211_ps_state ps_state;
9335 struct wireless_dev *wdev;
9336 struct net_device *dev = info->user_ptr[1];
9337 struct sk_buff *msg;
9341 wdev = dev->ieee80211_ptr;
9343 if (!rdev->ops->set_power_mgmt)
9346 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
9350 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9351 NL80211_CMD_GET_POWER_SAVE);
9358 ps_state = NL80211_PS_ENABLED;
9360 ps_state = NL80211_PS_DISABLED;
9362 if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state))
9363 goto nla_put_failure;
9365 genlmsg_end(msg, hdr);
9366 return genlmsg_reply(msg, info);
9375 static const struct nla_policy
9376 nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
9377 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
9378 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
9379 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
9380 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
9381 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
9382 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
9385 static int nl80211_set_cqm_txe(struct genl_info *info,
9386 u32 rate, u32 pkts, u32 intvl)
9388 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9389 struct net_device *dev = info->user_ptr[1];
9390 struct wireless_dev *wdev = dev->ieee80211_ptr;
9392 if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL)
9395 if (!rdev->ops->set_cqm_txe_config)
9398 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9399 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9402 return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl);
9405 static int nl80211_set_cqm_rssi(struct genl_info *info,
9406 s32 threshold, u32 hysteresis)
9408 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9409 struct net_device *dev = info->user_ptr[1];
9410 struct wireless_dev *wdev = dev->ieee80211_ptr;
9415 /* disabling - hysteresis should also be zero then */
9419 if (!rdev->ops->set_cqm_rssi_config)
9422 if (wdev->iftype != NL80211_IFTYPE_STATION &&
9423 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
9426 return rdev_set_cqm_rssi_config(rdev, dev, threshold, hysteresis);
9429 static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
9431 struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1];
9435 cqm = info->attrs[NL80211_ATTR_CQM];
9439 err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm,
9440 nl80211_attr_cqm_policy);
9444 if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] &&
9445 attrs[NL80211_ATTR_CQM_RSSI_HYST]) {
9446 s32 threshold = nla_get_s32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
9447 u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
9449 return nl80211_set_cqm_rssi(info, threshold, hysteresis);
9452 if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
9453 attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
9454 attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
9455 u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
9456 u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
9457 u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
9459 return nl80211_set_cqm_txe(info, rate, pkts, intvl);
9465 static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info)
9467 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9468 struct net_device *dev = info->user_ptr[1];
9469 struct ocb_setup setup = {};
9472 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9476 return cfg80211_join_ocb(rdev, dev, &setup);
9479 static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info)
9481 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9482 struct net_device *dev = info->user_ptr[1];
9484 return cfg80211_leave_ocb(rdev, dev);
9487 static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
9489 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9490 struct net_device *dev = info->user_ptr[1];
9491 struct mesh_config cfg;
9492 struct mesh_setup setup;
9495 /* start with default */
9496 memcpy(&cfg, &default_mesh_config, sizeof(cfg));
9497 memcpy(&setup, &default_mesh_setup, sizeof(setup));
9499 if (info->attrs[NL80211_ATTR_MESH_CONFIG]) {
9500 /* and parse parameters if given */
9501 err = nl80211_parse_mesh_config(info, &cfg, NULL);
9506 if (!info->attrs[NL80211_ATTR_MESH_ID] ||
9507 !nla_len(info->attrs[NL80211_ATTR_MESH_ID]))
9510 setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
9511 setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
9513 if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
9514 !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
9515 nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
9518 if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
9519 setup.beacon_interval =
9520 nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
9522 err = cfg80211_validate_beacon_int(rdev,
9523 NL80211_IFTYPE_MESH_POINT,
9524 setup.beacon_interval);
9529 if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
9531 nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
9532 if (setup.dtim_period < 1 || setup.dtim_period > 100)
9536 if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
9537 /* parse additional setup parameters if given */
9538 err = nl80211_parse_mesh_setup(info, &setup);
9544 cfg.auto_open_plinks = false;
9546 if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
9547 err = nl80211_parse_chandef(rdev, info, &setup.chandef);
9551 /* cfg80211_join_mesh() will sort it out */
9552 setup.chandef.chan = NULL;
9555 if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) {
9556 u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9558 nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]);
9559 struct ieee80211_supported_band *sband;
9561 if (!setup.chandef.chan)
9564 sband = rdev->wiphy.bands[setup.chandef.chan->band];
9566 err = ieee80211_get_ratemask(sband, rates, n_rates,
9567 &setup.basic_rates);
9572 if (info->attrs[NL80211_ATTR_TX_RATES]) {
9573 err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
9577 err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
9578 &setup.beacon_rate);
9583 return cfg80211_join_mesh(rdev, dev, &setup, &cfg);
9586 static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
9588 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9589 struct net_device *dev = info->user_ptr[1];
9591 return cfg80211_leave_mesh(rdev, dev);
9595 static int nl80211_send_wowlan_patterns(struct sk_buff *msg,
9596 struct cfg80211_registered_device *rdev)
9598 struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config;
9599 struct nlattr *nl_pats, *nl_pat;
9602 if (!wowlan->n_patterns)
9605 nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN);
9609 for (i = 0; i < wowlan->n_patterns; i++) {
9610 nl_pat = nla_nest_start(msg, i + 1);
9613 pat_len = wowlan->patterns[i].pattern_len;
9614 if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8),
9615 wowlan->patterns[i].mask) ||
9616 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
9617 wowlan->patterns[i].pattern) ||
9618 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
9619 wowlan->patterns[i].pkt_offset))
9621 nla_nest_end(msg, nl_pat);
9623 nla_nest_end(msg, nl_pats);
9628 static int nl80211_send_wowlan_tcp(struct sk_buff *msg,
9629 struct cfg80211_wowlan_tcp *tcp)
9631 struct nlattr *nl_tcp;
9636 nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
9640 if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) ||
9641 nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) ||
9642 nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) ||
9643 nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) ||
9644 nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) ||
9645 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
9646 tcp->payload_len, tcp->payload) ||
9647 nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
9648 tcp->data_interval) ||
9649 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
9650 tcp->wake_len, tcp->wake_data) ||
9651 nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK,
9652 DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask))
9655 if (tcp->payload_seq.len &&
9656 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ,
9657 sizeof(tcp->payload_seq), &tcp->payload_seq))
9660 if (tcp->payload_tok.len &&
9661 nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
9662 sizeof(tcp->payload_tok) + tcp->tokens_size,
9666 nla_nest_end(msg, nl_tcp);
9671 static int nl80211_send_wowlan_nd(struct sk_buff *msg,
9672 struct cfg80211_sched_scan_request *req)
9674 struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan;
9680 nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT);
9684 if (req->n_scan_plans == 1 &&
9685 nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL,
9686 req->scan_plans[0].interval * 1000))
9689 if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
9692 freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
9696 for (i = 0; i < req->n_channels; i++) {
9697 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
9701 nla_nest_end(msg, freqs);
9703 if (req->n_match_sets) {
9704 matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH);
9708 for (i = 0; i < req->n_match_sets; i++) {
9709 match = nla_nest_start(msg, i);
9713 if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
9714 req->match_sets[i].ssid.ssid_len,
9715 req->match_sets[i].ssid.ssid))
9717 nla_nest_end(msg, match);
9719 nla_nest_end(msg, matches);
9722 scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS);
9726 for (i = 0; i < req->n_scan_plans; i++) {
9727 scan_plan = nla_nest_start(msg, i + 1);
9732 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL,
9733 req->scan_plans[i].interval) ||
9734 (req->scan_plans[i].iterations &&
9735 nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS,
9736 req->scan_plans[i].iterations)))
9738 nla_nest_end(msg, scan_plan);
9740 nla_nest_end(msg, scan_plans);
9742 nla_nest_end(msg, nd);
9747 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
9749 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9750 struct sk_buff *msg;
9752 u32 size = NLMSG_DEFAULT_SIZE;
9754 if (!rdev->wiphy.wowlan)
9757 if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) {
9758 /* adjust size to have room for all the data */
9759 size += rdev->wiphy.wowlan_config->tcp->tokens_size +
9760 rdev->wiphy.wowlan_config->tcp->payload_len +
9761 rdev->wiphy.wowlan_config->tcp->wake_len +
9762 rdev->wiphy.wowlan_config->tcp->wake_len / 8;
9765 msg = nlmsg_new(size, GFP_KERNEL);
9769 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
9770 NL80211_CMD_GET_WOWLAN);
9772 goto nla_put_failure;
9774 if (rdev->wiphy.wowlan_config) {
9775 struct nlattr *nl_wowlan;
9777 nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
9779 goto nla_put_failure;
9781 if ((rdev->wiphy.wowlan_config->any &&
9782 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
9783 (rdev->wiphy.wowlan_config->disconnect &&
9784 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
9785 (rdev->wiphy.wowlan_config->magic_pkt &&
9786 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
9787 (rdev->wiphy.wowlan_config->gtk_rekey_failure &&
9788 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
9789 (rdev->wiphy.wowlan_config->eap_identity_req &&
9790 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
9791 (rdev->wiphy.wowlan_config->four_way_handshake &&
9792 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
9793 (rdev->wiphy.wowlan_config->rfkill_release &&
9794 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)))
9795 goto nla_put_failure;
9797 if (nl80211_send_wowlan_patterns(msg, rdev))
9798 goto nla_put_failure;
9800 if (nl80211_send_wowlan_tcp(msg,
9801 rdev->wiphy.wowlan_config->tcp))
9802 goto nla_put_failure;
9804 if (nl80211_send_wowlan_nd(
9806 rdev->wiphy.wowlan_config->nd_config))
9807 goto nla_put_failure;
9809 nla_nest_end(msg, nl_wowlan);
9812 genlmsg_end(msg, hdr);
9813 return genlmsg_reply(msg, info);
9820 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev,
9821 struct nlattr *attr,
9822 struct cfg80211_wowlan *trig)
9824 struct nlattr *tb[NUM_NL80211_WOWLAN_TCP];
9825 struct cfg80211_wowlan_tcp *cfg;
9826 struct nl80211_wowlan_tcp_data_token *tok = NULL;
9827 struct nl80211_wowlan_tcp_data_seq *seq = NULL;
9829 u32 data_size, wake_size, tokens_size = 0, wake_mask_size;
9832 if (!rdev->wiphy.wowlan->tcp)
9835 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr,
9836 nl80211_wowlan_tcp_policy);
9840 if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] ||
9841 !tb[NL80211_WOWLAN_TCP_DST_IPV4] ||
9842 !tb[NL80211_WOWLAN_TCP_DST_MAC] ||
9843 !tb[NL80211_WOWLAN_TCP_DST_PORT] ||
9844 !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] ||
9845 !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] ||
9846 !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] ||
9847 !tb[NL80211_WOWLAN_TCP_WAKE_MASK])
9850 data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]);
9851 if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max)
9854 if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) >
9855 rdev->wiphy.wowlan->tcp->data_interval_max ||
9856 nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0)
9859 wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]);
9860 if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max)
9863 wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]);
9864 if (wake_mask_size != DIV_ROUND_UP(wake_size, 8))
9867 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) {
9868 u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
9870 tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]);
9871 tokens_size = tokln - sizeof(*tok);
9873 if (!tok->len || tokens_size % tok->len)
9875 if (!rdev->wiphy.wowlan->tcp->tok)
9877 if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len)
9879 if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len)
9881 if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize)
9883 if (tok->offset + tok->len > data_size)
9887 if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) {
9888 seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]);
9889 if (!rdev->wiphy.wowlan->tcp->seq)
9891 if (seq->len == 0 || seq->len > 4)
9893 if (seq->len + seq->offset > data_size)
9897 size = sizeof(*cfg);
9899 size += wake_size + wake_mask_size;
9900 size += tokens_size;
9902 cfg = kzalloc(size, GFP_KERNEL);
9905 cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]);
9906 cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]);
9907 memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]),
9909 if (tb[NL80211_WOWLAN_TCP_SRC_PORT])
9910 port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]);
9914 /* allocate a socket and port for it and use it */
9915 err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM,
9916 IPPROTO_TCP, &cfg->sock, 1);
9921 if (inet_csk_get_port(cfg->sock->sk, port)) {
9922 sock_release(cfg->sock);
9926 cfg->src_port = inet_sk(cfg->sock->sk)->inet_num;
9932 cfg->src_port = port;
9935 cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]);
9936 cfg->payload_len = data_size;
9937 cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size;
9938 memcpy((void *)cfg->payload,
9939 nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]),
9942 cfg->payload_seq = *seq;
9943 cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]);
9944 cfg->wake_len = wake_size;
9945 cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size;
9946 memcpy((void *)cfg->wake_data,
9947 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]),
9949 cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size +
9950 data_size + wake_size;
9951 memcpy((void *)cfg->wake_mask,
9952 nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]),
9955 cfg->tokens_size = tokens_size;
9956 memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size);
9964 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev,
9965 const struct wiphy_wowlan_support *wowlan,
9966 struct nlattr *attr,
9967 struct cfg80211_wowlan *trig)
9972 tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL);
9976 if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) {
9981 err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy);
9985 trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb);
9986 err = PTR_ERR_OR_ZERO(trig->nd_config);
9988 trig->nd_config = NULL;
9995 static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
9997 struct cfg80211_registered_device *rdev = info->user_ptr[0];
9998 struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
9999 struct cfg80211_wowlan new_triggers = {};
10000 struct cfg80211_wowlan *ntrig;
10001 const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan;
10003 bool prev_enabled = rdev->wiphy.wowlan_config;
10004 bool regular = false;
10007 return -EOPNOTSUPP;
10009 if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
10010 cfg80211_rdev_free_wowlan(rdev);
10011 rdev->wiphy.wowlan_config = NULL;
10015 err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG,
10016 info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS],
10017 nl80211_wowlan_policy);
10021 if (tb[NL80211_WOWLAN_TRIG_ANY]) {
10022 if (!(wowlan->flags & WIPHY_WOWLAN_ANY))
10024 new_triggers.any = true;
10027 if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) {
10028 if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT))
10030 new_triggers.disconnect = true;
10034 if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) {
10035 if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT))
10037 new_triggers.magic_pkt = true;
10041 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED])
10044 if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) {
10045 if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE))
10047 new_triggers.gtk_rekey_failure = true;
10051 if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) {
10052 if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ))
10054 new_triggers.eap_identity_req = true;
10058 if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) {
10059 if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE))
10061 new_triggers.four_way_handshake = true;
10065 if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) {
10066 if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE))
10068 new_triggers.rfkill_release = true;
10072 if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) {
10073 struct nlattr *pat;
10074 int n_patterns = 0;
10075 int rem, pat_len, mask_len, pkt_offset;
10076 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10080 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10083 if (n_patterns > wowlan->n_patterns)
10086 new_triggers.patterns = kcalloc(n_patterns,
10087 sizeof(new_triggers.patterns[0]),
10089 if (!new_triggers.patterns)
10092 new_triggers.n_patterns = n_patterns;
10095 nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
10099 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
10102 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10103 !pat_tb[NL80211_PKTPAT_PATTERN])
10105 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10106 mask_len = DIV_ROUND_UP(pat_len, 8);
10107 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10109 if (pat_len > wowlan->pattern_max_len ||
10110 pat_len < wowlan->pattern_min_len)
10113 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10116 pkt_offset = nla_get_u32(
10117 pat_tb[NL80211_PKTPAT_OFFSET]);
10118 if (pkt_offset > wowlan->max_pkt_offset)
10120 new_triggers.patterns[i].pkt_offset = pkt_offset;
10122 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10127 new_triggers.patterns[i].mask = mask_pat;
10128 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10130 mask_pat += mask_len;
10131 new_triggers.patterns[i].pattern = mask_pat;
10132 new_triggers.patterns[i].pattern_len = pat_len;
10134 nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10140 if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) {
10142 err = nl80211_parse_wowlan_tcp(
10143 rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION],
10149 if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) {
10151 err = nl80211_parse_wowlan_nd(
10152 rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT],
10158 /* The 'any' trigger means the device continues operating more or less
10159 * as in its normal operation mode and wakes up the host on most of the
10160 * normal interrupts (like packet RX, ...)
10161 * It therefore makes little sense to combine with the more constrained
10162 * wakeup trigger modes.
10164 if (new_triggers.any && regular) {
10169 ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
10174 cfg80211_rdev_free_wowlan(rdev);
10175 rdev->wiphy.wowlan_config = ntrig;
10178 if (rdev->ops->set_wakeup &&
10179 prev_enabled != !!rdev->wiphy.wowlan_config)
10180 rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config);
10184 for (i = 0; i < new_triggers.n_patterns; i++)
10185 kfree(new_triggers.patterns[i].mask);
10186 kfree(new_triggers.patterns);
10187 if (new_triggers.tcp && new_triggers.tcp->sock)
10188 sock_release(new_triggers.tcp->sock);
10189 kfree(new_triggers.tcp);
10190 kfree(new_triggers.nd_config);
10195 static int nl80211_send_coalesce_rules(struct sk_buff *msg,
10196 struct cfg80211_registered_device *rdev)
10198 struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules;
10200 struct cfg80211_coalesce_rules *rule;
10202 if (!rdev->coalesce->n_rules)
10205 nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE);
10209 for (i = 0; i < rdev->coalesce->n_rules; i++) {
10210 nl_rule = nla_nest_start(msg, i + 1);
10214 rule = &rdev->coalesce->rules[i];
10215 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY,
10219 if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION,
10223 nl_pats = nla_nest_start(msg,
10224 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN);
10228 for (j = 0; j < rule->n_patterns; j++) {
10229 nl_pat = nla_nest_start(msg, j + 1);
10232 pat_len = rule->patterns[j].pattern_len;
10233 if (nla_put(msg, NL80211_PKTPAT_MASK,
10234 DIV_ROUND_UP(pat_len, 8),
10235 rule->patterns[j].mask) ||
10236 nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len,
10237 rule->patterns[j].pattern) ||
10238 nla_put_u32(msg, NL80211_PKTPAT_OFFSET,
10239 rule->patterns[j].pkt_offset))
10241 nla_nest_end(msg, nl_pat);
10243 nla_nest_end(msg, nl_pats);
10244 nla_nest_end(msg, nl_rule);
10246 nla_nest_end(msg, nl_rules);
10251 static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info)
10253 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10254 struct sk_buff *msg;
10257 if (!rdev->wiphy.coalesce)
10258 return -EOPNOTSUPP;
10260 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10264 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10265 NL80211_CMD_GET_COALESCE);
10267 goto nla_put_failure;
10269 if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev))
10270 goto nla_put_failure;
10272 genlmsg_end(msg, hdr);
10273 return genlmsg_reply(msg, info);
10280 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev)
10282 struct cfg80211_coalesce *coalesce = rdev->coalesce;
10284 struct cfg80211_coalesce_rules *rule;
10289 for (i = 0; i < coalesce->n_rules; i++) {
10290 rule = &coalesce->rules[i];
10291 for (j = 0; j < rule->n_patterns; j++)
10292 kfree(rule->patterns[j].mask);
10293 kfree(rule->patterns);
10295 kfree(coalesce->rules);
10297 rdev->coalesce = NULL;
10300 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
10301 struct nlattr *rule,
10302 struct cfg80211_coalesce_rules *new_rule)
10305 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10306 struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat;
10307 int rem, pat_len, mask_len, pkt_offset, n_patterns = 0;
10308 struct nlattr *pat_tb[NUM_NL80211_PKTPAT];
10310 err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule,
10311 nl80211_coalesce_policy);
10315 if (tb[NL80211_ATTR_COALESCE_RULE_DELAY])
10317 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]);
10318 if (new_rule->delay > coalesce->max_delay)
10321 if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION])
10322 new_rule->condition =
10323 nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]);
10324 if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH &&
10325 new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH)
10328 if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN])
10331 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10334 if (n_patterns > coalesce->n_patterns)
10337 new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]),
10339 if (!new_rule->patterns)
10342 new_rule->n_patterns = n_patterns;
10345 nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
10349 nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL);
10350 if (!pat_tb[NL80211_PKTPAT_MASK] ||
10351 !pat_tb[NL80211_PKTPAT_PATTERN])
10353 pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]);
10354 mask_len = DIV_ROUND_UP(pat_len, 8);
10355 if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len)
10357 if (pat_len > coalesce->pattern_max_len ||
10358 pat_len < coalesce->pattern_min_len)
10361 if (!pat_tb[NL80211_PKTPAT_OFFSET])
10364 pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]);
10365 if (pkt_offset > coalesce->max_pkt_offset)
10367 new_rule->patterns[i].pkt_offset = pkt_offset;
10369 mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
10373 new_rule->patterns[i].mask = mask_pat;
10374 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
10377 mask_pat += mask_len;
10378 new_rule->patterns[i].pattern = mask_pat;
10379 new_rule->patterns[i].pattern_len = pat_len;
10380 memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
10388 static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
10390 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10391 const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce;
10392 struct cfg80211_coalesce new_coalesce = {};
10393 struct cfg80211_coalesce *n_coalesce;
10394 int err, rem_rule, n_rules = 0, i, j;
10395 struct nlattr *rule;
10396 struct cfg80211_coalesce_rules *tmp_rule;
10398 if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce)
10399 return -EOPNOTSUPP;
10401 if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
10402 cfg80211_rdev_free_coalesce(rdev);
10403 rdev_set_coalesce(rdev, NULL);
10407 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10410 if (n_rules > coalesce->n_rules)
10413 new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]),
10415 if (!new_coalesce.rules)
10418 new_coalesce.n_rules = n_rules;
10421 nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE],
10423 err = nl80211_parse_coalesce_rule(rdev, rule,
10424 &new_coalesce.rules[i]);
10431 err = rdev_set_coalesce(rdev, &new_coalesce);
10435 n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL);
10440 cfg80211_rdev_free_coalesce(rdev);
10441 rdev->coalesce = n_coalesce;
10445 for (i = 0; i < new_coalesce.n_rules; i++) {
10446 tmp_rule = &new_coalesce.rules[i];
10447 for (j = 0; j < tmp_rule->n_patterns; j++)
10448 kfree(tmp_rule->patterns[j].mask);
10449 kfree(tmp_rule->patterns);
10451 kfree(new_coalesce.rules);
10456 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
10458 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10459 struct net_device *dev = info->user_ptr[1];
10460 struct wireless_dev *wdev = dev->ieee80211_ptr;
10461 struct nlattr *tb[NUM_NL80211_REKEY_DATA];
10462 struct cfg80211_gtk_rekey_data rekey_data;
10465 if (!info->attrs[NL80211_ATTR_REKEY_DATA])
10468 err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA,
10469 info->attrs[NL80211_ATTR_REKEY_DATA],
10470 nl80211_rekey_policy);
10474 if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
10476 if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
10478 if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
10481 rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
10482 rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
10483 rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
10486 if (!wdev->current_bss) {
10491 if (!rdev->ops->set_rekey_data) {
10496 err = rdev_set_rekey_data(rdev, dev, &rekey_data);
10502 static int nl80211_register_unexpected_frame(struct sk_buff *skb,
10503 struct genl_info *info)
10505 struct net_device *dev = info->user_ptr[1];
10506 struct wireless_dev *wdev = dev->ieee80211_ptr;
10508 if (wdev->iftype != NL80211_IFTYPE_AP &&
10509 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10512 if (wdev->ap_unexpected_nlportid)
10515 wdev->ap_unexpected_nlportid = info->snd_portid;
10519 static int nl80211_probe_client(struct sk_buff *skb,
10520 struct genl_info *info)
10522 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10523 struct net_device *dev = info->user_ptr[1];
10524 struct wireless_dev *wdev = dev->ieee80211_ptr;
10525 struct sk_buff *msg;
10531 if (wdev->iftype != NL80211_IFTYPE_AP &&
10532 wdev->iftype != NL80211_IFTYPE_P2P_GO)
10533 return -EOPNOTSUPP;
10535 if (!info->attrs[NL80211_ATTR_MAC])
10538 if (!rdev->ops->probe_client)
10539 return -EOPNOTSUPP;
10541 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10545 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10546 NL80211_CMD_PROBE_CLIENT);
10552 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
10554 err = rdev_probe_client(rdev, dev, addr, &cookie);
10558 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
10560 goto nla_put_failure;
10562 genlmsg_end(msg, hdr);
10564 return genlmsg_reply(msg, info);
10573 static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
10575 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10576 struct cfg80211_beacon_registration *reg, *nreg;
10579 if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS))
10580 return -EOPNOTSUPP;
10582 nreg = kzalloc(sizeof(*nreg), GFP_KERNEL);
10586 /* First, check if already registered. */
10587 spin_lock_bh(&rdev->beacon_registrations_lock);
10588 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
10589 if (reg->nlportid == info->snd_portid) {
10594 /* Add it to the list */
10595 nreg->nlportid = info->snd_portid;
10596 list_add(&nreg->list, &rdev->beacon_registrations);
10598 spin_unlock_bh(&rdev->beacon_registrations_lock);
10602 spin_unlock_bh(&rdev->beacon_registrations_lock);
10607 static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
10609 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10610 struct wireless_dev *wdev = info->user_ptr[1];
10613 if (!rdev->ops->start_p2p_device)
10614 return -EOPNOTSUPP;
10616 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
10617 return -EOPNOTSUPP;
10619 if (wdev_running(wdev))
10622 if (rfkill_blocked(rdev->rfkill))
10625 err = rdev_start_p2p_device(rdev, wdev);
10629 wdev->is_running = true;
10635 static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
10637 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10638 struct wireless_dev *wdev = info->user_ptr[1];
10640 if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
10641 return -EOPNOTSUPP;
10643 if (!rdev->ops->stop_p2p_device)
10644 return -EOPNOTSUPP;
10646 cfg80211_stop_p2p_device(rdev, wdev);
10651 static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info)
10653 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10654 struct wireless_dev *wdev = info->user_ptr[1];
10655 struct cfg80211_nan_conf conf = {};
10658 if (wdev->iftype != NL80211_IFTYPE_NAN)
10659 return -EOPNOTSUPP;
10661 if (wdev_running(wdev))
10664 if (rfkill_blocked(rdev->rfkill))
10667 if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF])
10670 if (!info->attrs[NL80211_ATTR_NAN_DUAL])
10674 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
10675 if (!conf.master_pref)
10678 conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]);
10680 err = rdev_start_nan(rdev, wdev, &conf);
10684 wdev->is_running = true;
10690 static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info)
10692 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10693 struct wireless_dev *wdev = info->user_ptr[1];
10695 if (wdev->iftype != NL80211_IFTYPE_NAN)
10696 return -EOPNOTSUPP;
10698 cfg80211_stop_nan(rdev, wdev);
10703 static int validate_nan_filter(struct nlattr *filter_attr)
10705 struct nlattr *attr;
10706 int len = 0, n_entries = 0, rem;
10708 nla_for_each_nested(attr, filter_attr, rem) {
10709 len += nla_len(attr);
10719 static int handle_nan_filter(struct nlattr *attr_filter,
10720 struct cfg80211_nan_func *func,
10723 struct nlattr *attr;
10724 int n_entries, rem, i;
10725 struct cfg80211_nan_func_filter *filter;
10727 n_entries = validate_nan_filter(attr_filter);
10731 BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters));
10733 filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL);
10738 nla_for_each_nested(attr, attr_filter, rem) {
10739 filter[i].filter = nla_memdup(attr, GFP_KERNEL);
10740 filter[i].len = nla_len(attr);
10744 func->num_tx_filters = n_entries;
10745 func->tx_filters = filter;
10747 func->num_rx_filters = n_entries;
10748 func->rx_filters = filter;
10754 static int nl80211_nan_add_func(struct sk_buff *skb,
10755 struct genl_info *info)
10757 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10758 struct wireless_dev *wdev = info->user_ptr[1];
10759 struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr;
10760 struct cfg80211_nan_func *func;
10761 struct sk_buff *msg = NULL;
10765 if (wdev->iftype != NL80211_IFTYPE_NAN)
10766 return -EOPNOTSUPP;
10768 if (!wdev_running(wdev))
10771 if (!info->attrs[NL80211_ATTR_NAN_FUNC])
10774 if (wdev->owner_nlportid &&
10775 wdev->owner_nlportid != info->snd_portid)
10778 err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX,
10779 info->attrs[NL80211_ATTR_NAN_FUNC],
10780 nl80211_nan_func_policy);
10784 func = kzalloc(sizeof(*func), GFP_KERNEL);
10788 func->cookie = wdev->wiphy->cookie_counter++;
10790 if (!tb[NL80211_NAN_FUNC_TYPE] ||
10791 nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) {
10797 func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]);
10799 if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) {
10804 memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]),
10805 sizeof(func->service_id));
10807 func->close_range =
10808 nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]);
10810 if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) {
10811 func->serv_spec_info_len =
10812 nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]);
10813 func->serv_spec_info =
10814 kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]),
10815 func->serv_spec_info_len,
10817 if (!func->serv_spec_info) {
10823 if (tb[NL80211_NAN_FUNC_TTL])
10824 func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]);
10826 switch (func->type) {
10827 case NL80211_NAN_FUNC_PUBLISH:
10828 if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) {
10833 func->publish_type =
10834 nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]);
10835 func->publish_bcast =
10836 nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]);
10838 if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) &&
10839 func->publish_bcast) {
10844 case NL80211_NAN_FUNC_SUBSCRIBE:
10845 func->subscribe_active =
10846 nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]);
10848 case NL80211_NAN_FUNC_FOLLOW_UP:
10849 if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
10850 !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) {
10855 func->followup_id =
10856 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]);
10857 func->followup_reqid =
10858 nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]);
10859 memcpy(func->followup_dest.addr,
10860 nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]),
10861 sizeof(func->followup_dest.addr));
10872 if (tb[NL80211_NAN_FUNC_SRF]) {
10873 struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR];
10875 err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX,
10876 tb[NL80211_NAN_FUNC_SRF],
10877 nl80211_nan_srf_policy);
10881 func->srf_include =
10882 nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]);
10884 if (srf_tb[NL80211_NAN_SRF_BF]) {
10885 if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] ||
10886 !srf_tb[NL80211_NAN_SRF_BF_IDX]) {
10892 nla_len(srf_tb[NL80211_NAN_SRF_BF]);
10894 kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]),
10895 func->srf_bf_len, GFP_KERNEL);
10896 if (!func->srf_bf) {
10902 nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]);
10904 struct nlattr *attr, *mac_attr =
10905 srf_tb[NL80211_NAN_SRF_MAC_ADDRS];
10906 int n_entries, rem, i = 0;
10913 n_entries = validate_acl_mac_addrs(mac_attr);
10914 if (n_entries <= 0) {
10919 func->srf_num_macs = n_entries;
10921 kzalloc(sizeof(*func->srf_macs) * n_entries,
10923 if (!func->srf_macs) {
10928 nla_for_each_nested(attr, mac_attr, rem)
10929 memcpy(func->srf_macs[i++].addr, nla_data(attr),
10930 sizeof(*func->srf_macs));
10934 if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) {
10935 err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER],
10941 if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) {
10942 err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER],
10948 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
10954 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
10955 NL80211_CMD_ADD_NAN_FUNCTION);
10956 /* This can't really happen - we just allocated 4KB */
10957 if (WARN_ON(!hdr)) {
10962 err = rdev_add_nan_func(rdev, wdev, func);
10965 cfg80211_free_nan_func(func);
10970 /* propagate the instance id and cookie to userspace */
10971 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie,
10973 goto nla_put_failure;
10975 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
10977 goto nla_put_failure;
10979 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID,
10980 func->instance_id))
10981 goto nla_put_failure;
10983 nla_nest_end(msg, func_attr);
10985 genlmsg_end(msg, hdr);
10986 return genlmsg_reply(msg, info);
10993 static int nl80211_nan_del_func(struct sk_buff *skb,
10994 struct genl_info *info)
10996 struct cfg80211_registered_device *rdev = info->user_ptr[0];
10997 struct wireless_dev *wdev = info->user_ptr[1];
11000 if (wdev->iftype != NL80211_IFTYPE_NAN)
11001 return -EOPNOTSUPP;
11003 if (!wdev_running(wdev))
11006 if (!info->attrs[NL80211_ATTR_COOKIE])
11009 if (wdev->owner_nlportid &&
11010 wdev->owner_nlportid != info->snd_portid)
11013 cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
11015 rdev_del_nan_func(rdev, wdev, cookie);
11020 static int nl80211_nan_change_config(struct sk_buff *skb,
11021 struct genl_info *info)
11023 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11024 struct wireless_dev *wdev = info->user_ptr[1];
11025 struct cfg80211_nan_conf conf = {};
11028 if (wdev->iftype != NL80211_IFTYPE_NAN)
11029 return -EOPNOTSUPP;
11031 if (!wdev_running(wdev))
11034 if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) {
11036 nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]);
11037 if (conf.master_pref <= 1 || conf.master_pref == 255)
11040 changed |= CFG80211_NAN_CONF_CHANGED_PREF;
11043 if (info->attrs[NL80211_ATTR_NAN_DUAL]) {
11044 conf.dual = nla_get_u8(info->attrs[NL80211_ATTR_NAN_DUAL]);
11045 changed |= CFG80211_NAN_CONF_CHANGED_DUAL;
11051 return rdev_nan_change_conf(rdev, wdev, &conf, changed);
11054 void cfg80211_nan_match(struct wireless_dev *wdev,
11055 struct cfg80211_nan_match_params *match, gfp_t gfp)
11057 struct wiphy *wiphy = wdev->wiphy;
11058 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11059 struct nlattr *match_attr, *local_func_attr, *peer_func_attr;
11060 struct sk_buff *msg;
11063 if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr))
11066 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11070 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH);
11076 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11077 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11078 wdev->netdev->ifindex)) ||
11079 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11081 goto nla_put_failure;
11083 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie,
11084 NL80211_ATTR_PAD) ||
11085 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr))
11086 goto nla_put_failure;
11088 match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH);
11090 goto nla_put_failure;
11092 local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL);
11093 if (!local_func_attr)
11094 goto nla_put_failure;
11096 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id))
11097 goto nla_put_failure;
11099 nla_nest_end(msg, local_func_attr);
11101 peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER);
11102 if (!peer_func_attr)
11103 goto nla_put_failure;
11105 if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) ||
11106 nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id))
11107 goto nla_put_failure;
11109 if (match->info && match->info_len &&
11110 nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len,
11112 goto nla_put_failure;
11114 nla_nest_end(msg, peer_func_attr);
11115 nla_nest_end(msg, match_attr);
11116 genlmsg_end(msg, hdr);
11118 if (!wdev->owner_nlportid)
11119 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11120 msg, 0, NL80211_MCGRP_NAN, gfp);
11122 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11123 wdev->owner_nlportid);
11130 EXPORT_SYMBOL(cfg80211_nan_match);
11132 void cfg80211_nan_func_terminated(struct wireless_dev *wdev,
11134 enum nl80211_nan_func_term_reason reason,
11135 u64 cookie, gfp_t gfp)
11137 struct wiphy *wiphy = wdev->wiphy;
11138 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11139 struct sk_buff *msg;
11140 struct nlattr *func_attr;
11143 if (WARN_ON(!inst_id))
11146 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
11150 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION);
11156 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11157 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
11158 wdev->netdev->ifindex)) ||
11159 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
11161 goto nla_put_failure;
11163 if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
11165 goto nla_put_failure;
11167 func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC);
11169 goto nla_put_failure;
11171 if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) ||
11172 nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason))
11173 goto nla_put_failure;
11175 nla_nest_end(msg, func_attr);
11176 genlmsg_end(msg, hdr);
11178 if (!wdev->owner_nlportid)
11179 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy),
11180 msg, 0, NL80211_MCGRP_NAN, gfp);
11182 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg,
11183 wdev->owner_nlportid);
11190 EXPORT_SYMBOL(cfg80211_nan_func_terminated);
11192 static int nl80211_get_protocol_features(struct sk_buff *skb,
11193 struct genl_info *info)
11196 struct sk_buff *msg;
11198 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
11202 hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
11203 NL80211_CMD_GET_PROTOCOL_FEATURES);
11205 goto nla_put_failure;
11207 if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES,
11208 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP))
11209 goto nla_put_failure;
11211 genlmsg_end(msg, hdr);
11212 return genlmsg_reply(msg, info);
11219 static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
11221 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11222 struct cfg80211_update_ft_ies_params ft_params;
11223 struct net_device *dev = info->user_ptr[1];
11225 if (!rdev->ops->update_ft_ies)
11226 return -EOPNOTSUPP;
11228 if (!info->attrs[NL80211_ATTR_MDID] ||
11229 !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
11232 memset(&ft_params, 0, sizeof(ft_params));
11233 ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]);
11234 ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
11235 ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
11237 return rdev_update_ft_ies(rdev, dev, &ft_params);
11240 static int nl80211_crit_protocol_start(struct sk_buff *skb,
11241 struct genl_info *info)
11243 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11244 struct wireless_dev *wdev = info->user_ptr[1];
11245 enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC;
11249 if (!rdev->ops->crit_proto_start)
11250 return -EOPNOTSUPP;
11252 if (WARN_ON(!rdev->ops->crit_proto_stop))
11255 if (rdev->crit_proto_nlportid)
11258 /* determine protocol if provided */
11259 if (info->attrs[NL80211_ATTR_CRIT_PROT_ID])
11260 proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]);
11262 if (proto >= NUM_NL80211_CRIT_PROTO)
11265 /* timeout must be provided */
11266 if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION])
11270 nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]);
11272 if (duration > NL80211_CRIT_PROTO_MAX_DURATION)
11275 ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
11277 rdev->crit_proto_nlportid = info->snd_portid;
11282 static int nl80211_crit_protocol_stop(struct sk_buff *skb,
11283 struct genl_info *info)
11285 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11286 struct wireless_dev *wdev = info->user_ptr[1];
11288 if (!rdev->ops->crit_proto_stop)
11289 return -EOPNOTSUPP;
11291 if (rdev->crit_proto_nlportid) {
11292 rdev->crit_proto_nlportid = 0;
11293 rdev_crit_proto_stop(rdev, wdev);
11298 static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
11300 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11301 struct wireless_dev *wdev =
11302 __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
11306 if (!rdev->wiphy.vendor_commands)
11307 return -EOPNOTSUPP;
11309 if (IS_ERR(wdev)) {
11310 err = PTR_ERR(wdev);
11311 if (err != -EINVAL)
11314 } else if (wdev->wiphy != &rdev->wiphy) {
11318 if (!info->attrs[NL80211_ATTR_VENDOR_ID] ||
11319 !info->attrs[NL80211_ATTR_VENDOR_SUBCMD])
11322 vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]);
11323 subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]);
11324 for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) {
11325 const struct wiphy_vendor_command *vcmd;
11329 vcmd = &rdev->wiphy.vendor_commands[i];
11331 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11334 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11335 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11338 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11342 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11343 if (!wdev_running(wdev))
11348 return -EOPNOTSUPP;
11353 if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
11354 data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11355 len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
11358 rdev->cur_cmd_info = info;
11359 err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev,
11361 rdev->cur_cmd_info = NULL;
11365 return -EOPNOTSUPP;
11368 static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
11369 struct netlink_callback *cb,
11370 struct cfg80211_registered_device **rdev,
11371 struct wireless_dev **wdev)
11373 struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
11379 unsigned int data_len = 0;
11384 /* subtract the 1 again here */
11385 struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
11386 struct wireless_dev *tmp;
11392 *rdev = wiphy_to_rdev(wiphy);
11396 list_for_each_entry(tmp, &wiphy->wdev_list, list) {
11397 if (tmp->identifier == cb->args[1] - 1) {
11404 /* keep rtnl locked in successful case */
11408 err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
11409 attrbuf, nl80211_fam.maxattr, nl80211_policy);
11413 if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
11414 !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
11419 *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
11423 *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
11424 if (IS_ERR(*rdev)) {
11425 err = PTR_ERR(*rdev);
11429 vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
11430 subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
11432 for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) {
11433 const struct wiphy_vendor_command *vcmd;
11435 vcmd = &(*rdev)->wiphy.vendor_commands[i];
11437 if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
11440 if (!vcmd->dumpit) {
11449 if (vcmd_idx < 0) {
11454 if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
11455 data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11456 data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]);
11459 /* 0 is the first index - add 1 to parse only once */
11460 cb->args[0] = (*rdev)->wiphy_idx + 1;
11461 /* add 1 to know if it was NULL */
11462 cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0;
11463 cb->args[2] = vcmd_idx;
11464 cb->args[3] = (unsigned long)data;
11465 cb->args[4] = data_len;
11467 /* keep rtnl locked in successful case */
11474 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
11475 struct netlink_callback *cb)
11477 struct cfg80211_registered_device *rdev;
11478 struct wireless_dev *wdev;
11479 unsigned int vcmd_idx;
11480 const struct wiphy_vendor_command *vcmd;
11484 struct nlattr *vendor_data;
11486 err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev);
11490 vcmd_idx = cb->args[2];
11491 data = (void *)cb->args[3];
11492 data_len = cb->args[4];
11493 vcmd = &rdev->wiphy.vendor_commands[vcmd_idx];
11495 if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV |
11496 WIPHY_VENDOR_CMD_NEED_NETDEV)) {
11499 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV &&
11503 if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) {
11504 if (!wdev_running(wdev))
11510 void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid,
11511 cb->nlh->nlmsg_seq, NLM_F_MULTI,
11512 NL80211_CMD_VENDOR);
11516 if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
11517 (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV,
11519 NL80211_ATTR_PAD))) {
11520 genlmsg_cancel(skb, hdr);
11524 vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA);
11525 if (!vendor_data) {
11526 genlmsg_cancel(skb, hdr);
11530 err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len,
11531 (unsigned long *)&cb->args[5]);
11532 nla_nest_end(skb, vendor_data);
11534 if (err == -ENOBUFS || err == -ENOENT) {
11535 genlmsg_cancel(skb, hdr);
11538 genlmsg_cancel(skb, hdr);
11542 genlmsg_end(skb, hdr);
11551 struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
11552 enum nl80211_commands cmd,
11553 enum nl80211_attrs attr,
11556 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
11558 if (WARN_ON(!rdev->cur_cmd_info))
11561 return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen,
11562 rdev->cur_cmd_info->snd_portid,
11563 rdev->cur_cmd_info->snd_seq,
11564 cmd, attr, NULL, GFP_KERNEL);
11566 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb);
11568 int cfg80211_vendor_cmd_reply(struct sk_buff *skb)
11570 struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
11571 void *hdr = ((void **)skb->cb)[1];
11572 struct nlattr *data = ((void **)skb->cb)[2];
11574 /* clear CB data for netlink core to own from now on */
11575 memset(skb->cb, 0, sizeof(skb->cb));
11577 if (WARN_ON(!rdev->cur_cmd_info)) {
11582 nla_nest_end(skb, data);
11583 genlmsg_end(skb, hdr);
11584 return genlmsg_reply(skb, rdev->cur_cmd_info);
11586 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply);
11588 static int nl80211_set_qos_map(struct sk_buff *skb,
11589 struct genl_info *info)
11591 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11592 struct cfg80211_qos_map *qos_map = NULL;
11593 struct net_device *dev = info->user_ptr[1];
11594 u8 *pos, len, num_des, des_len, des;
11597 if (!rdev->ops->set_qos_map)
11598 return -EOPNOTSUPP;
11600 if (info->attrs[NL80211_ATTR_QOS_MAP]) {
11601 pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]);
11602 len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]);
11604 if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN ||
11605 len > IEEE80211_QOS_MAP_LEN_MAX)
11608 qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL);
11612 num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1;
11614 des_len = num_des *
11615 sizeof(struct cfg80211_dscp_exception);
11616 memcpy(qos_map->dscp_exception, pos, des_len);
11617 qos_map->num_des = num_des;
11618 for (des = 0; des < num_des; des++) {
11619 if (qos_map->dscp_exception[des].up > 7) {
11626 memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
11629 wdev_lock(dev->ieee80211_ptr);
11630 ret = nl80211_key_allowed(dev->ieee80211_ptr);
11632 ret = rdev_set_qos_map(rdev, dev, qos_map);
11633 wdev_unlock(dev->ieee80211_ptr);
11639 static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
11641 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11642 struct net_device *dev = info->user_ptr[1];
11643 struct wireless_dev *wdev = dev->ieee80211_ptr;
11646 u16 admitted_time = 0;
11649 if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
11650 return -EOPNOTSUPP;
11652 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] ||
11653 !info->attrs[NL80211_ATTR_USER_PRIO])
11656 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
11657 if (tsid >= IEEE80211_NUM_TIDS)
11660 up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]);
11661 if (up >= IEEE80211_NUM_UPS)
11664 /* WMM uses TIDs 0-7 even for TSPEC */
11665 if (tsid >= IEEE80211_FIRST_TSPEC_TSID) {
11666 /* TODO: handle 802.11 TSPEC/admission control
11667 * need more attributes for that (e.g. BA session requirement);
11668 * change the WMM adminssion test above to allow both then
11673 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11675 if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) {
11677 nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]);
11678 if (!admitted_time)
11683 switch (wdev->iftype) {
11684 case NL80211_IFTYPE_STATION:
11685 case NL80211_IFTYPE_P2P_CLIENT:
11686 if (wdev->current_bss)
11695 err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
11702 static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
11704 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11705 struct net_device *dev = info->user_ptr[1];
11706 struct wireless_dev *wdev = dev->ieee80211_ptr;
11711 if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
11714 tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
11715 peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
11718 err = rdev_del_tx_ts(rdev, dev, tsid, peer);
11724 static int nl80211_tdls_channel_switch(struct sk_buff *skb,
11725 struct genl_info *info)
11727 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11728 struct net_device *dev = info->user_ptr[1];
11729 struct wireless_dev *wdev = dev->ieee80211_ptr;
11730 struct cfg80211_chan_def chandef = {};
11735 if (!rdev->ops->tdls_channel_switch ||
11736 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
11737 return -EOPNOTSUPP;
11739 switch (dev->ieee80211_ptr->iftype) {
11740 case NL80211_IFTYPE_STATION:
11741 case NL80211_IFTYPE_P2P_CLIENT:
11744 return -EOPNOTSUPP;
11747 if (!info->attrs[NL80211_ATTR_MAC] ||
11748 !info->attrs[NL80211_ATTR_OPER_CLASS])
11751 err = nl80211_parse_chandef(rdev, info, &chandef);
11756 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
11757 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
11758 * specification is not defined for them.
11760 if (chandef.chan->band == NL80211_BAND_2GHZ &&
11761 chandef.width != NL80211_CHAN_WIDTH_20_NOHT &&
11762 chandef.width != NL80211_CHAN_WIDTH_20)
11765 /* we will be active on the TDLS link */
11766 if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef,
11770 /* don't allow switching to DFS channels */
11771 if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype))
11774 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11775 oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
11778 err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
11784 static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
11785 struct genl_info *info)
11787 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11788 struct net_device *dev = info->user_ptr[1];
11789 struct wireless_dev *wdev = dev->ieee80211_ptr;
11792 if (!rdev->ops->tdls_channel_switch ||
11793 !rdev->ops->tdls_cancel_channel_switch ||
11794 !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH))
11795 return -EOPNOTSUPP;
11797 switch (dev->ieee80211_ptr->iftype) {
11798 case NL80211_IFTYPE_STATION:
11799 case NL80211_IFTYPE_P2P_CLIENT:
11802 return -EOPNOTSUPP;
11805 if (!info->attrs[NL80211_ATTR_MAC])
11808 addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
11811 rdev_tdls_cancel_channel_switch(rdev, dev, addr);
11817 static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
11818 struct genl_info *info)
11820 struct cfg80211_registered_device *rdev = info->user_ptr[0];
11821 struct net_device *dev = info->user_ptr[1];
11822 struct wireless_dev *wdev = dev->ieee80211_ptr;
11823 const struct nlattr *nla;
11826 if (netif_running(dev))
11829 if (!rdev->ops->set_multicast_to_unicast)
11830 return -EOPNOTSUPP;
11832 if (wdev->iftype != NL80211_IFTYPE_AP &&
11833 wdev->iftype != NL80211_IFTYPE_P2P_GO)
11834 return -EOPNOTSUPP;
11836 nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED];
11837 enabled = nla_get_flag(nla);
11839 return rdev_set_multicast_to_unicast(rdev, dev, enabled);
11842 #define NL80211_FLAG_NEED_WIPHY 0x01
11843 #define NL80211_FLAG_NEED_NETDEV 0x02
11844 #define NL80211_FLAG_NEED_RTNL 0x04
11845 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
11846 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
11847 NL80211_FLAG_CHECK_NETDEV_UP)
11848 #define NL80211_FLAG_NEED_WDEV 0x10
11849 /* If a netdev is associated, it must be UP, P2P must be started */
11850 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
11851 NL80211_FLAG_CHECK_NETDEV_UP)
11852 #define NL80211_FLAG_CLEAR_SKB 0x20
11854 static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
11855 struct genl_info *info)
11857 struct cfg80211_registered_device *rdev;
11858 struct wireless_dev *wdev;
11859 struct net_device *dev;
11860 bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
11865 if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
11866 rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
11867 if (IS_ERR(rdev)) {
11870 return PTR_ERR(rdev);
11872 info->user_ptr[0] = rdev;
11873 } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
11874 ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
11877 wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
11879 if (IS_ERR(wdev)) {
11882 return PTR_ERR(wdev);
11885 dev = wdev->netdev;
11886 rdev = wiphy_to_rdev(wdev->wiphy);
11888 if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
11895 info->user_ptr[1] = dev;
11897 info->user_ptr[1] = wdev;
11900 if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
11901 !wdev_running(wdev)) {
11910 info->user_ptr[0] = rdev;
11916 static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
11917 struct genl_info *info)
11919 if (info->user_ptr[1]) {
11920 if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
11921 struct wireless_dev *wdev = info->user_ptr[1];
11924 dev_put(wdev->netdev);
11926 dev_put(info->user_ptr[1]);
11930 if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
11933 /* If needed, clear the netlink message payload from the SKB
11934 * as it might contain key data that shouldn't stick around on
11935 * the heap after the SKB is freed. The netlink message header
11936 * is still needed for further processing, so leave it intact.
11938 if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) {
11939 struct nlmsghdr *nlh = nlmsg_hdr(skb);
11941 memset(nlmsg_data(nlh), 0, nlmsg_len(nlh));
11945 static const struct genl_ops nl80211_ops[] = {
11947 .cmd = NL80211_CMD_GET_WIPHY,
11948 .doit = nl80211_get_wiphy,
11949 .dumpit = nl80211_dump_wiphy,
11950 .done = nl80211_dump_wiphy_done,
11951 .policy = nl80211_policy,
11952 /* can be retrieved by unprivileged users */
11953 .internal_flags = NL80211_FLAG_NEED_WIPHY |
11954 NL80211_FLAG_NEED_RTNL,
11957 .cmd = NL80211_CMD_SET_WIPHY,
11958 .doit = nl80211_set_wiphy,
11959 .policy = nl80211_policy,
11960 .flags = GENL_UNS_ADMIN_PERM,
11961 .internal_flags = NL80211_FLAG_NEED_RTNL,
11964 .cmd = NL80211_CMD_GET_INTERFACE,
11965 .doit = nl80211_get_interface,
11966 .dumpit = nl80211_dump_interface,
11967 .policy = nl80211_policy,
11968 /* can be retrieved by unprivileged users */
11969 .internal_flags = NL80211_FLAG_NEED_WDEV |
11970 NL80211_FLAG_NEED_RTNL,
11973 .cmd = NL80211_CMD_SET_INTERFACE,
11974 .doit = nl80211_set_interface,
11975 .policy = nl80211_policy,
11976 .flags = GENL_UNS_ADMIN_PERM,
11977 .internal_flags = NL80211_FLAG_NEED_NETDEV |
11978 NL80211_FLAG_NEED_RTNL,
11981 .cmd = NL80211_CMD_NEW_INTERFACE,
11982 .doit = nl80211_new_interface,
11983 .policy = nl80211_policy,
11984 .flags = GENL_UNS_ADMIN_PERM,
11985 .internal_flags = NL80211_FLAG_NEED_WIPHY |
11986 NL80211_FLAG_NEED_RTNL,
11989 .cmd = NL80211_CMD_DEL_INTERFACE,
11990 .doit = nl80211_del_interface,
11991 .policy = nl80211_policy,
11992 .flags = GENL_UNS_ADMIN_PERM,
11993 .internal_flags = NL80211_FLAG_NEED_WDEV |
11994 NL80211_FLAG_NEED_RTNL,
11997 .cmd = NL80211_CMD_GET_KEY,
11998 .doit = nl80211_get_key,
11999 .policy = nl80211_policy,
12000 .flags = GENL_UNS_ADMIN_PERM,
12001 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12002 NL80211_FLAG_NEED_RTNL,
12005 .cmd = NL80211_CMD_SET_KEY,
12006 .doit = nl80211_set_key,
12007 .policy = nl80211_policy,
12008 .flags = GENL_UNS_ADMIN_PERM,
12009 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12010 NL80211_FLAG_NEED_RTNL |
12011 NL80211_FLAG_CLEAR_SKB,
12014 .cmd = NL80211_CMD_NEW_KEY,
12015 .doit = nl80211_new_key,
12016 .policy = nl80211_policy,
12017 .flags = GENL_UNS_ADMIN_PERM,
12018 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12019 NL80211_FLAG_NEED_RTNL |
12020 NL80211_FLAG_CLEAR_SKB,
12023 .cmd = NL80211_CMD_DEL_KEY,
12024 .doit = nl80211_del_key,
12025 .policy = nl80211_policy,
12026 .flags = GENL_UNS_ADMIN_PERM,
12027 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12028 NL80211_FLAG_NEED_RTNL,
12031 .cmd = NL80211_CMD_SET_BEACON,
12032 .policy = nl80211_policy,
12033 .flags = GENL_UNS_ADMIN_PERM,
12034 .doit = nl80211_set_beacon,
12035 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12036 NL80211_FLAG_NEED_RTNL,
12039 .cmd = NL80211_CMD_START_AP,
12040 .policy = nl80211_policy,
12041 .flags = GENL_UNS_ADMIN_PERM,
12042 .doit = nl80211_start_ap,
12043 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12044 NL80211_FLAG_NEED_RTNL,
12047 .cmd = NL80211_CMD_STOP_AP,
12048 .policy = nl80211_policy,
12049 .flags = GENL_UNS_ADMIN_PERM,
12050 .doit = nl80211_stop_ap,
12051 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12052 NL80211_FLAG_NEED_RTNL,
12055 .cmd = NL80211_CMD_GET_STATION,
12056 .doit = nl80211_get_station,
12057 .dumpit = nl80211_dump_station,
12058 .policy = nl80211_policy,
12059 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12060 NL80211_FLAG_NEED_RTNL,
12063 .cmd = NL80211_CMD_SET_STATION,
12064 .doit = nl80211_set_station,
12065 .policy = nl80211_policy,
12066 .flags = GENL_UNS_ADMIN_PERM,
12067 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12068 NL80211_FLAG_NEED_RTNL,
12071 .cmd = NL80211_CMD_NEW_STATION,
12072 .doit = nl80211_new_station,
12073 .policy = nl80211_policy,
12074 .flags = GENL_UNS_ADMIN_PERM,
12075 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12076 NL80211_FLAG_NEED_RTNL,
12079 .cmd = NL80211_CMD_DEL_STATION,
12080 .doit = nl80211_del_station,
12081 .policy = nl80211_policy,
12082 .flags = GENL_UNS_ADMIN_PERM,
12083 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12084 NL80211_FLAG_NEED_RTNL,
12087 .cmd = NL80211_CMD_GET_MPATH,
12088 .doit = nl80211_get_mpath,
12089 .dumpit = nl80211_dump_mpath,
12090 .policy = nl80211_policy,
12091 .flags = GENL_UNS_ADMIN_PERM,
12092 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12093 NL80211_FLAG_NEED_RTNL,
12096 .cmd = NL80211_CMD_GET_MPP,
12097 .doit = nl80211_get_mpp,
12098 .dumpit = nl80211_dump_mpp,
12099 .policy = nl80211_policy,
12100 .flags = GENL_UNS_ADMIN_PERM,
12101 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12102 NL80211_FLAG_NEED_RTNL,
12105 .cmd = NL80211_CMD_SET_MPATH,
12106 .doit = nl80211_set_mpath,
12107 .policy = nl80211_policy,
12108 .flags = GENL_UNS_ADMIN_PERM,
12109 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12110 NL80211_FLAG_NEED_RTNL,
12113 .cmd = NL80211_CMD_NEW_MPATH,
12114 .doit = nl80211_new_mpath,
12115 .policy = nl80211_policy,
12116 .flags = GENL_UNS_ADMIN_PERM,
12117 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12118 NL80211_FLAG_NEED_RTNL,
12121 .cmd = NL80211_CMD_DEL_MPATH,
12122 .doit = nl80211_del_mpath,
12123 .policy = nl80211_policy,
12124 .flags = GENL_UNS_ADMIN_PERM,
12125 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12126 NL80211_FLAG_NEED_RTNL,
12129 .cmd = NL80211_CMD_SET_BSS,
12130 .doit = nl80211_set_bss,
12131 .policy = nl80211_policy,
12132 .flags = GENL_UNS_ADMIN_PERM,
12133 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12134 NL80211_FLAG_NEED_RTNL,
12137 .cmd = NL80211_CMD_GET_REG,
12138 .doit = nl80211_get_reg_do,
12139 .dumpit = nl80211_get_reg_dump,
12140 .policy = nl80211_policy,
12141 .internal_flags = NL80211_FLAG_NEED_RTNL,
12142 /* can be retrieved by unprivileged users */
12144 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12146 .cmd = NL80211_CMD_SET_REG,
12147 .doit = nl80211_set_reg,
12148 .policy = nl80211_policy,
12149 .flags = GENL_ADMIN_PERM,
12150 .internal_flags = NL80211_FLAG_NEED_RTNL,
12154 .cmd = NL80211_CMD_REQ_SET_REG,
12155 .doit = nl80211_req_set_reg,
12156 .policy = nl80211_policy,
12157 .flags = GENL_ADMIN_PERM,
12160 .cmd = NL80211_CMD_GET_MESH_CONFIG,
12161 .doit = nl80211_get_mesh_config,
12162 .policy = nl80211_policy,
12163 /* can be retrieved by unprivileged users */
12164 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12165 NL80211_FLAG_NEED_RTNL,
12168 .cmd = NL80211_CMD_SET_MESH_CONFIG,
12169 .doit = nl80211_update_mesh_config,
12170 .policy = nl80211_policy,
12171 .flags = GENL_UNS_ADMIN_PERM,
12172 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12173 NL80211_FLAG_NEED_RTNL,
12176 .cmd = NL80211_CMD_TRIGGER_SCAN,
12177 .doit = nl80211_trigger_scan,
12178 .policy = nl80211_policy,
12179 .flags = GENL_UNS_ADMIN_PERM,
12180 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12181 NL80211_FLAG_NEED_RTNL,
12184 .cmd = NL80211_CMD_ABORT_SCAN,
12185 .doit = nl80211_abort_scan,
12186 .policy = nl80211_policy,
12187 .flags = GENL_UNS_ADMIN_PERM,
12188 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12189 NL80211_FLAG_NEED_RTNL,
12192 .cmd = NL80211_CMD_GET_SCAN,
12193 .policy = nl80211_policy,
12194 .dumpit = nl80211_dump_scan,
12197 .cmd = NL80211_CMD_START_SCHED_SCAN,
12198 .doit = nl80211_start_sched_scan,
12199 .policy = nl80211_policy,
12200 .flags = GENL_UNS_ADMIN_PERM,
12201 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12202 NL80211_FLAG_NEED_RTNL,
12205 .cmd = NL80211_CMD_STOP_SCHED_SCAN,
12206 .doit = nl80211_stop_sched_scan,
12207 .policy = nl80211_policy,
12208 .flags = GENL_UNS_ADMIN_PERM,
12209 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12210 NL80211_FLAG_NEED_RTNL,
12213 .cmd = NL80211_CMD_AUTHENTICATE,
12214 .doit = nl80211_authenticate,
12215 .policy = nl80211_policy,
12216 .flags = GENL_UNS_ADMIN_PERM,
12217 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12218 NL80211_FLAG_NEED_RTNL |
12219 NL80211_FLAG_CLEAR_SKB,
12222 .cmd = NL80211_CMD_ASSOCIATE,
12223 .doit = nl80211_associate,
12224 .policy = nl80211_policy,
12225 .flags = GENL_UNS_ADMIN_PERM,
12226 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12227 NL80211_FLAG_NEED_RTNL,
12230 .cmd = NL80211_CMD_DEAUTHENTICATE,
12231 .doit = nl80211_deauthenticate,
12232 .policy = nl80211_policy,
12233 .flags = GENL_UNS_ADMIN_PERM,
12234 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12235 NL80211_FLAG_NEED_RTNL,
12238 .cmd = NL80211_CMD_DISASSOCIATE,
12239 .doit = nl80211_disassociate,
12240 .policy = nl80211_policy,
12241 .flags = GENL_UNS_ADMIN_PERM,
12242 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12243 NL80211_FLAG_NEED_RTNL,
12246 .cmd = NL80211_CMD_JOIN_IBSS,
12247 .doit = nl80211_join_ibss,
12248 .policy = nl80211_policy,
12249 .flags = GENL_UNS_ADMIN_PERM,
12250 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12251 NL80211_FLAG_NEED_RTNL,
12254 .cmd = NL80211_CMD_LEAVE_IBSS,
12255 .doit = nl80211_leave_ibss,
12256 .policy = nl80211_policy,
12257 .flags = GENL_UNS_ADMIN_PERM,
12258 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12259 NL80211_FLAG_NEED_RTNL,
12261 #ifdef CONFIG_NL80211_TESTMODE
12263 .cmd = NL80211_CMD_TESTMODE,
12264 .doit = nl80211_testmode_do,
12265 .dumpit = nl80211_testmode_dump,
12266 .policy = nl80211_policy,
12267 .flags = GENL_UNS_ADMIN_PERM,
12268 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12269 NL80211_FLAG_NEED_RTNL,
12273 .cmd = NL80211_CMD_CONNECT,
12274 .doit = nl80211_connect,
12275 .policy = nl80211_policy,
12276 .flags = GENL_UNS_ADMIN_PERM,
12277 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12278 NL80211_FLAG_NEED_RTNL,
12281 .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS,
12282 .doit = nl80211_update_connect_params,
12283 .policy = nl80211_policy,
12284 .flags = GENL_ADMIN_PERM,
12285 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12286 NL80211_FLAG_NEED_RTNL,
12289 .cmd = NL80211_CMD_DISCONNECT,
12290 .doit = nl80211_disconnect,
12291 .policy = nl80211_policy,
12292 .flags = GENL_UNS_ADMIN_PERM,
12293 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12294 NL80211_FLAG_NEED_RTNL,
12297 .cmd = NL80211_CMD_SET_WIPHY_NETNS,
12298 .doit = nl80211_wiphy_netns,
12299 .policy = nl80211_policy,
12300 .flags = GENL_UNS_ADMIN_PERM,
12301 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12302 NL80211_FLAG_NEED_RTNL,
12305 .cmd = NL80211_CMD_GET_SURVEY,
12306 .policy = nl80211_policy,
12307 .dumpit = nl80211_dump_survey,
12310 .cmd = NL80211_CMD_SET_PMKSA,
12311 .doit = nl80211_setdel_pmksa,
12312 .policy = nl80211_policy,
12313 .flags = GENL_UNS_ADMIN_PERM,
12314 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12315 NL80211_FLAG_NEED_RTNL,
12318 .cmd = NL80211_CMD_DEL_PMKSA,
12319 .doit = nl80211_setdel_pmksa,
12320 .policy = nl80211_policy,
12321 .flags = GENL_UNS_ADMIN_PERM,
12322 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12323 NL80211_FLAG_NEED_RTNL,
12326 .cmd = NL80211_CMD_FLUSH_PMKSA,
12327 .doit = nl80211_flush_pmksa,
12328 .policy = nl80211_policy,
12329 .flags = GENL_UNS_ADMIN_PERM,
12330 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12331 NL80211_FLAG_NEED_RTNL,
12334 .cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
12335 .doit = nl80211_remain_on_channel,
12336 .policy = nl80211_policy,
12337 .flags = GENL_UNS_ADMIN_PERM,
12338 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12339 NL80211_FLAG_NEED_RTNL,
12342 .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
12343 .doit = nl80211_cancel_remain_on_channel,
12344 .policy = nl80211_policy,
12345 .flags = GENL_UNS_ADMIN_PERM,
12346 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12347 NL80211_FLAG_NEED_RTNL,
12350 .cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
12351 .doit = nl80211_set_tx_bitrate_mask,
12352 .policy = nl80211_policy,
12353 .flags = GENL_UNS_ADMIN_PERM,
12354 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12355 NL80211_FLAG_NEED_RTNL,
12358 .cmd = NL80211_CMD_REGISTER_FRAME,
12359 .doit = nl80211_register_mgmt,
12360 .policy = nl80211_policy,
12361 .flags = GENL_UNS_ADMIN_PERM,
12362 .internal_flags = NL80211_FLAG_NEED_WDEV |
12363 NL80211_FLAG_NEED_RTNL,
12366 .cmd = NL80211_CMD_FRAME,
12367 .doit = nl80211_tx_mgmt,
12368 .policy = nl80211_policy,
12369 .flags = GENL_UNS_ADMIN_PERM,
12370 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12371 NL80211_FLAG_NEED_RTNL,
12374 .cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
12375 .doit = nl80211_tx_mgmt_cancel_wait,
12376 .policy = nl80211_policy,
12377 .flags = GENL_UNS_ADMIN_PERM,
12378 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12379 NL80211_FLAG_NEED_RTNL,
12382 .cmd = NL80211_CMD_SET_POWER_SAVE,
12383 .doit = nl80211_set_power_save,
12384 .policy = nl80211_policy,
12385 .flags = GENL_UNS_ADMIN_PERM,
12386 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12387 NL80211_FLAG_NEED_RTNL,
12390 .cmd = NL80211_CMD_GET_POWER_SAVE,
12391 .doit = nl80211_get_power_save,
12392 .policy = nl80211_policy,
12393 /* can be retrieved by unprivileged users */
12394 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12395 NL80211_FLAG_NEED_RTNL,
12398 .cmd = NL80211_CMD_SET_CQM,
12399 .doit = nl80211_set_cqm,
12400 .policy = nl80211_policy,
12401 .flags = GENL_UNS_ADMIN_PERM,
12402 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12403 NL80211_FLAG_NEED_RTNL,
12406 .cmd = NL80211_CMD_SET_CHANNEL,
12407 .doit = nl80211_set_channel,
12408 .policy = nl80211_policy,
12409 .flags = GENL_UNS_ADMIN_PERM,
12410 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12411 NL80211_FLAG_NEED_RTNL,
12414 .cmd = NL80211_CMD_SET_WDS_PEER,
12415 .doit = nl80211_set_wds_peer,
12416 .policy = nl80211_policy,
12417 .flags = GENL_UNS_ADMIN_PERM,
12418 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12419 NL80211_FLAG_NEED_RTNL,
12422 .cmd = NL80211_CMD_JOIN_MESH,
12423 .doit = nl80211_join_mesh,
12424 .policy = nl80211_policy,
12425 .flags = GENL_UNS_ADMIN_PERM,
12426 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12427 NL80211_FLAG_NEED_RTNL,
12430 .cmd = NL80211_CMD_LEAVE_MESH,
12431 .doit = nl80211_leave_mesh,
12432 .policy = nl80211_policy,
12433 .flags = GENL_UNS_ADMIN_PERM,
12434 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12435 NL80211_FLAG_NEED_RTNL,
12438 .cmd = NL80211_CMD_JOIN_OCB,
12439 .doit = nl80211_join_ocb,
12440 .policy = nl80211_policy,
12441 .flags = GENL_UNS_ADMIN_PERM,
12442 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12443 NL80211_FLAG_NEED_RTNL,
12446 .cmd = NL80211_CMD_LEAVE_OCB,
12447 .doit = nl80211_leave_ocb,
12448 .policy = nl80211_policy,
12449 .flags = GENL_UNS_ADMIN_PERM,
12450 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12451 NL80211_FLAG_NEED_RTNL,
12455 .cmd = NL80211_CMD_GET_WOWLAN,
12456 .doit = nl80211_get_wowlan,
12457 .policy = nl80211_policy,
12458 /* can be retrieved by unprivileged users */
12459 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12460 NL80211_FLAG_NEED_RTNL,
12463 .cmd = NL80211_CMD_SET_WOWLAN,
12464 .doit = nl80211_set_wowlan,
12465 .policy = nl80211_policy,
12466 .flags = GENL_UNS_ADMIN_PERM,
12467 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12468 NL80211_FLAG_NEED_RTNL,
12472 .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
12473 .doit = nl80211_set_rekey_data,
12474 .policy = nl80211_policy,
12475 .flags = GENL_UNS_ADMIN_PERM,
12476 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12477 NL80211_FLAG_NEED_RTNL |
12478 NL80211_FLAG_CLEAR_SKB,
12481 .cmd = NL80211_CMD_TDLS_MGMT,
12482 .doit = nl80211_tdls_mgmt,
12483 .policy = nl80211_policy,
12484 .flags = GENL_UNS_ADMIN_PERM,
12485 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12486 NL80211_FLAG_NEED_RTNL,
12489 .cmd = NL80211_CMD_TDLS_OPER,
12490 .doit = nl80211_tdls_oper,
12491 .policy = nl80211_policy,
12492 .flags = GENL_UNS_ADMIN_PERM,
12493 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12494 NL80211_FLAG_NEED_RTNL,
12497 .cmd = NL80211_CMD_UNEXPECTED_FRAME,
12498 .doit = nl80211_register_unexpected_frame,
12499 .policy = nl80211_policy,
12500 .flags = GENL_UNS_ADMIN_PERM,
12501 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12502 NL80211_FLAG_NEED_RTNL,
12505 .cmd = NL80211_CMD_PROBE_CLIENT,
12506 .doit = nl80211_probe_client,
12507 .policy = nl80211_policy,
12508 .flags = GENL_UNS_ADMIN_PERM,
12509 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12510 NL80211_FLAG_NEED_RTNL,
12513 .cmd = NL80211_CMD_REGISTER_BEACONS,
12514 .doit = nl80211_register_beacons,
12515 .policy = nl80211_policy,
12516 .flags = GENL_UNS_ADMIN_PERM,
12517 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12518 NL80211_FLAG_NEED_RTNL,
12521 .cmd = NL80211_CMD_SET_NOACK_MAP,
12522 .doit = nl80211_set_noack_map,
12523 .policy = nl80211_policy,
12524 .flags = GENL_UNS_ADMIN_PERM,
12525 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12526 NL80211_FLAG_NEED_RTNL,
12529 .cmd = NL80211_CMD_START_P2P_DEVICE,
12530 .doit = nl80211_start_p2p_device,
12531 .policy = nl80211_policy,
12532 .flags = GENL_UNS_ADMIN_PERM,
12533 .internal_flags = NL80211_FLAG_NEED_WDEV |
12534 NL80211_FLAG_NEED_RTNL,
12537 .cmd = NL80211_CMD_STOP_P2P_DEVICE,
12538 .doit = nl80211_stop_p2p_device,
12539 .policy = nl80211_policy,
12540 .flags = GENL_UNS_ADMIN_PERM,
12541 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12542 NL80211_FLAG_NEED_RTNL,
12545 .cmd = NL80211_CMD_START_NAN,
12546 .doit = nl80211_start_nan,
12547 .policy = nl80211_policy,
12548 .flags = GENL_ADMIN_PERM,
12549 .internal_flags = NL80211_FLAG_NEED_WDEV |
12550 NL80211_FLAG_NEED_RTNL,
12553 .cmd = NL80211_CMD_STOP_NAN,
12554 .doit = nl80211_stop_nan,
12555 .policy = nl80211_policy,
12556 .flags = GENL_ADMIN_PERM,
12557 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12558 NL80211_FLAG_NEED_RTNL,
12561 .cmd = NL80211_CMD_ADD_NAN_FUNCTION,
12562 .doit = nl80211_nan_add_func,
12563 .policy = nl80211_policy,
12564 .flags = GENL_ADMIN_PERM,
12565 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12566 NL80211_FLAG_NEED_RTNL,
12569 .cmd = NL80211_CMD_DEL_NAN_FUNCTION,
12570 .doit = nl80211_nan_del_func,
12571 .policy = nl80211_policy,
12572 .flags = GENL_ADMIN_PERM,
12573 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12574 NL80211_FLAG_NEED_RTNL,
12577 .cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
12578 .doit = nl80211_nan_change_config,
12579 .policy = nl80211_policy,
12580 .flags = GENL_ADMIN_PERM,
12581 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12582 NL80211_FLAG_NEED_RTNL,
12585 .cmd = NL80211_CMD_SET_MCAST_RATE,
12586 .doit = nl80211_set_mcast_rate,
12587 .policy = nl80211_policy,
12588 .flags = GENL_UNS_ADMIN_PERM,
12589 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12590 NL80211_FLAG_NEED_RTNL,
12593 .cmd = NL80211_CMD_SET_MAC_ACL,
12594 .doit = nl80211_set_mac_acl,
12595 .policy = nl80211_policy,
12596 .flags = GENL_UNS_ADMIN_PERM,
12597 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12598 NL80211_FLAG_NEED_RTNL,
12601 .cmd = NL80211_CMD_RADAR_DETECT,
12602 .doit = nl80211_start_radar_detection,
12603 .policy = nl80211_policy,
12604 .flags = GENL_UNS_ADMIN_PERM,
12605 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12606 NL80211_FLAG_NEED_RTNL,
12609 .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
12610 .doit = nl80211_get_protocol_features,
12611 .policy = nl80211_policy,
12614 .cmd = NL80211_CMD_UPDATE_FT_IES,
12615 .doit = nl80211_update_ft_ies,
12616 .policy = nl80211_policy,
12617 .flags = GENL_UNS_ADMIN_PERM,
12618 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12619 NL80211_FLAG_NEED_RTNL,
12622 .cmd = NL80211_CMD_CRIT_PROTOCOL_START,
12623 .doit = nl80211_crit_protocol_start,
12624 .policy = nl80211_policy,
12625 .flags = GENL_UNS_ADMIN_PERM,
12626 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12627 NL80211_FLAG_NEED_RTNL,
12630 .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
12631 .doit = nl80211_crit_protocol_stop,
12632 .policy = nl80211_policy,
12633 .flags = GENL_UNS_ADMIN_PERM,
12634 .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
12635 NL80211_FLAG_NEED_RTNL,
12638 .cmd = NL80211_CMD_GET_COALESCE,
12639 .doit = nl80211_get_coalesce,
12640 .policy = nl80211_policy,
12641 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12642 NL80211_FLAG_NEED_RTNL,
12645 .cmd = NL80211_CMD_SET_COALESCE,
12646 .doit = nl80211_set_coalesce,
12647 .policy = nl80211_policy,
12648 .flags = GENL_UNS_ADMIN_PERM,
12649 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12650 NL80211_FLAG_NEED_RTNL,
12653 .cmd = NL80211_CMD_CHANNEL_SWITCH,
12654 .doit = nl80211_channel_switch,
12655 .policy = nl80211_policy,
12656 .flags = GENL_UNS_ADMIN_PERM,
12657 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12658 NL80211_FLAG_NEED_RTNL,
12661 .cmd = NL80211_CMD_VENDOR,
12662 .doit = nl80211_vendor_cmd,
12663 .dumpit = nl80211_vendor_cmd_dump,
12664 .policy = nl80211_policy,
12665 .flags = GENL_UNS_ADMIN_PERM,
12666 .internal_flags = NL80211_FLAG_NEED_WIPHY |
12667 NL80211_FLAG_NEED_RTNL,
12670 .cmd = NL80211_CMD_SET_QOS_MAP,
12671 .doit = nl80211_set_qos_map,
12672 .policy = nl80211_policy,
12673 .flags = GENL_UNS_ADMIN_PERM,
12674 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12675 NL80211_FLAG_NEED_RTNL,
12678 .cmd = NL80211_CMD_ADD_TX_TS,
12679 .doit = nl80211_add_tx_ts,
12680 .policy = nl80211_policy,
12681 .flags = GENL_UNS_ADMIN_PERM,
12682 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12683 NL80211_FLAG_NEED_RTNL,
12686 .cmd = NL80211_CMD_DEL_TX_TS,
12687 .doit = nl80211_del_tx_ts,
12688 .policy = nl80211_policy,
12689 .flags = GENL_UNS_ADMIN_PERM,
12690 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12691 NL80211_FLAG_NEED_RTNL,
12694 .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
12695 .doit = nl80211_tdls_channel_switch,
12696 .policy = nl80211_policy,
12697 .flags = GENL_UNS_ADMIN_PERM,
12698 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12699 NL80211_FLAG_NEED_RTNL,
12702 .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
12703 .doit = nl80211_tdls_cancel_channel_switch,
12704 .policy = nl80211_policy,
12705 .flags = GENL_UNS_ADMIN_PERM,
12706 .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
12707 NL80211_FLAG_NEED_RTNL,
12710 .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
12711 .doit = nl80211_set_multicast_to_unicast,
12712 .policy = nl80211_policy,
12713 .flags = GENL_UNS_ADMIN_PERM,
12714 .internal_flags = NL80211_FLAG_NEED_NETDEV |
12715 NL80211_FLAG_NEED_RTNL,
12719 static struct genl_family nl80211_fam __ro_after_init = {
12720 .name = NL80211_GENL_NAME, /* have users key off the name instead */
12721 .hdrsize = 0, /* no private header */
12722 .version = 1, /* no particular meaning now */
12723 .maxattr = NL80211_ATTR_MAX,
12725 .pre_doit = nl80211_pre_doit,
12726 .post_doit = nl80211_post_doit,
12727 .module = THIS_MODULE,
12728 .ops = nl80211_ops,
12729 .n_ops = ARRAY_SIZE(nl80211_ops),
12730 .mcgrps = nl80211_mcgrps,
12731 .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
12734 /* notification functions */
12736 void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
12737 enum nl80211_commands cmd)
12739 struct sk_buff *msg;
12740 struct nl80211_dump_wiphy_state state = {};
12742 WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
12743 cmd != NL80211_CMD_DEL_WIPHY);
12745 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12749 if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
12754 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12755 NL80211_MCGRP_CONFIG, GFP_KERNEL);
12758 void nl80211_notify_iface(struct cfg80211_registered_device *rdev,
12759 struct wireless_dev *wdev,
12760 enum nl80211_commands cmd)
12762 struct sk_buff *msg;
12764 WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE &&
12765 cmd != NL80211_CMD_DEL_INTERFACE);
12767 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12771 if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev,
12772 cmd == NL80211_CMD_DEL_INTERFACE) < 0) {
12777 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12778 NL80211_MCGRP_CONFIG, GFP_KERNEL);
12781 static int nl80211_add_scan_req(struct sk_buff *msg,
12782 struct cfg80211_registered_device *rdev)
12784 struct cfg80211_scan_request *req = rdev->scan_req;
12785 struct nlattr *nest;
12791 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
12793 goto nla_put_failure;
12794 for (i = 0; i < req->n_ssids; i++) {
12795 if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid))
12796 goto nla_put_failure;
12798 nla_nest_end(msg, nest);
12800 nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
12802 goto nla_put_failure;
12803 for (i = 0; i < req->n_channels; i++) {
12804 if (nla_put_u32(msg, i, req->channels[i]->center_freq))
12805 goto nla_put_failure;
12807 nla_nest_end(msg, nest);
12810 nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
12811 goto nla_put_failure;
12814 nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags))
12815 goto nla_put_failure;
12817 if (req->info.scan_start_tsf &&
12818 (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF,
12819 req->info.scan_start_tsf, NL80211_BSS_PAD) ||
12820 nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN,
12821 req->info.tsf_bssid)))
12822 goto nla_put_failure;
12829 static int nl80211_send_scan_msg(struct sk_buff *msg,
12830 struct cfg80211_registered_device *rdev,
12831 struct wireless_dev *wdev,
12832 u32 portid, u32 seq, int flags,
12837 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
12841 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12842 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
12843 wdev->netdev->ifindex)) ||
12844 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
12846 goto nla_put_failure;
12848 /* ignore errors and send incomplete event anyway */
12849 nl80211_add_scan_req(msg, rdev);
12851 genlmsg_end(msg, hdr);
12855 genlmsg_cancel(msg, hdr);
12860 nl80211_send_sched_scan_msg(struct sk_buff *msg,
12861 struct cfg80211_registered_device *rdev,
12862 struct net_device *netdev,
12863 u32 portid, u32 seq, int flags, u32 cmd)
12867 hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
12871 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
12872 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
12873 goto nla_put_failure;
12875 genlmsg_end(msg, hdr);
12879 genlmsg_cancel(msg, hdr);
12883 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
12884 struct wireless_dev *wdev)
12886 struct sk_buff *msg;
12888 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12892 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
12893 NL80211_CMD_TRIGGER_SCAN) < 0) {
12898 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12899 NL80211_MCGRP_SCAN, GFP_KERNEL);
12902 struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
12903 struct wireless_dev *wdev, bool aborted)
12905 struct sk_buff *msg;
12907 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12911 if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
12912 aborted ? NL80211_CMD_SCAN_ABORTED :
12913 NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
12921 void nl80211_send_scan_result(struct cfg80211_registered_device *rdev,
12922 struct sk_buff *msg)
12927 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12928 NL80211_MCGRP_SCAN, GFP_KERNEL);
12931 void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev,
12932 struct net_device *netdev)
12934 struct sk_buff *msg;
12936 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12940 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0,
12941 NL80211_CMD_SCHED_SCAN_RESULTS) < 0) {
12946 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12947 NL80211_MCGRP_SCAN, GFP_KERNEL);
12950 void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev,
12951 struct net_device *netdev, u32 cmd)
12953 struct sk_buff *msg;
12955 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
12959 if (nl80211_send_sched_scan_msg(msg, rdev, netdev, 0, 0, 0, cmd) < 0) {
12964 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
12965 NL80211_MCGRP_SCAN, GFP_KERNEL);
12968 static bool nl80211_reg_change_event_fill(struct sk_buff *msg,
12969 struct regulatory_request *request)
12971 /* Userspace can always count this one always being set */
12972 if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator))
12973 goto nla_put_failure;
12975 if (request->alpha2[0] == '0' && request->alpha2[1] == '0') {
12976 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12977 NL80211_REGDOM_TYPE_WORLD))
12978 goto nla_put_failure;
12979 } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') {
12980 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12981 NL80211_REGDOM_TYPE_CUSTOM_WORLD))
12982 goto nla_put_failure;
12983 } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') ||
12984 request->intersect) {
12985 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12986 NL80211_REGDOM_TYPE_INTERSECTION))
12987 goto nla_put_failure;
12989 if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE,
12990 NL80211_REGDOM_TYPE_COUNTRY) ||
12991 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2,
12993 goto nla_put_failure;
12996 if (request->wiphy_idx != WIPHY_IDX_INVALID) {
12997 struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx);
13000 nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx))
13001 goto nla_put_failure;
13004 wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED &&
13005 nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG))
13006 goto nla_put_failure;
13016 * This can happen on global regulatory changes or device specific settings
13017 * based on custom regulatory domains.
13019 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id,
13020 struct regulatory_request *request)
13022 struct sk_buff *msg;
13025 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13029 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id);
13035 if (nl80211_reg_change_event_fill(msg, request) == false)
13036 goto nla_put_failure;
13038 genlmsg_end(msg, hdr);
13041 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
13042 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
13048 genlmsg_cancel(msg, hdr);
13052 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
13053 struct net_device *netdev,
13054 const u8 *buf, size_t len,
13055 enum nl80211_commands cmd, gfp_t gfp,
13058 struct sk_buff *msg;
13061 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13065 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13071 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13072 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13073 nla_put(msg, NL80211_ATTR_FRAME, len, buf))
13074 goto nla_put_failure;
13076 if (uapsd_queues >= 0) {
13077 struct nlattr *nla_wmm =
13078 nla_nest_start(msg, NL80211_ATTR_STA_WME);
13080 goto nla_put_failure;
13082 if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
13084 goto nla_put_failure;
13086 nla_nest_end(msg, nla_wmm);
13089 genlmsg_end(msg, hdr);
13091 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13092 NL80211_MCGRP_MLME, gfp);
13096 genlmsg_cancel(msg, hdr);
13100 void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
13101 struct net_device *netdev, const u8 *buf,
13102 size_t len, gfp_t gfp)
13104 nl80211_send_mlme_event(rdev, netdev, buf, len,
13105 NL80211_CMD_AUTHENTICATE, gfp, -1);
13108 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
13109 struct net_device *netdev, const u8 *buf,
13110 size_t len, gfp_t gfp, int uapsd_queues)
13112 nl80211_send_mlme_event(rdev, netdev, buf, len,
13113 NL80211_CMD_ASSOCIATE, gfp, uapsd_queues);
13116 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
13117 struct net_device *netdev, const u8 *buf,
13118 size_t len, gfp_t gfp)
13120 nl80211_send_mlme_event(rdev, netdev, buf, len,
13121 NL80211_CMD_DEAUTHENTICATE, gfp, -1);
13124 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
13125 struct net_device *netdev, const u8 *buf,
13126 size_t len, gfp_t gfp)
13128 nl80211_send_mlme_event(rdev, netdev, buf, len,
13129 NL80211_CMD_DISASSOCIATE, gfp, -1);
13132 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
13135 struct wireless_dev *wdev = dev->ieee80211_ptr;
13136 struct wiphy *wiphy = wdev->wiphy;
13137 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13138 const struct ieee80211_mgmt *mgmt = (void *)buf;
13141 if (WARN_ON(len < 2))
13144 if (ieee80211_is_deauth(mgmt->frame_control))
13145 cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
13147 cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
13149 trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
13150 nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1);
13152 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
13154 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
13155 struct net_device *netdev, int cmd,
13156 const u8 *addr, gfp_t gfp)
13158 struct sk_buff *msg;
13161 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13165 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13171 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13172 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13173 nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) ||
13174 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
13175 goto nla_put_failure;
13177 genlmsg_end(msg, hdr);
13179 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13180 NL80211_MCGRP_MLME, gfp);
13184 genlmsg_cancel(msg, hdr);
13188 void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
13189 struct net_device *netdev, const u8 *addr,
13192 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE,
13196 void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
13197 struct net_device *netdev, const u8 *addr,
13200 nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE,
13204 void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
13205 struct net_device *netdev, const u8 *bssid,
13206 const u8 *req_ie, size_t req_ie_len,
13207 const u8 *resp_ie, size_t resp_ie_len,
13208 int status, gfp_t gfp)
13210 struct sk_buff *msg;
13213 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13217 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
13223 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13224 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13225 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) ||
13226 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE,
13227 status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE :
13229 (status < 0 && nla_put_flag(msg, NL80211_ATTR_TIMED_OUT)) ||
13231 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
13233 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
13234 goto nla_put_failure;
13236 genlmsg_end(msg, hdr);
13238 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13239 NL80211_MCGRP_MLME, gfp);
13243 genlmsg_cancel(msg, hdr);
13247 void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
13248 struct net_device *netdev, const u8 *bssid,
13249 const u8 *req_ie, size_t req_ie_len,
13250 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
13252 struct sk_buff *msg;
13255 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13259 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
13265 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13266 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13267 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) ||
13269 nla_put(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie)) ||
13271 nla_put(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie)))
13272 goto nla_put_failure;
13274 genlmsg_end(msg, hdr);
13276 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13277 NL80211_MCGRP_MLME, gfp);
13281 genlmsg_cancel(msg, hdr);
13285 void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
13286 struct net_device *netdev, u16 reason,
13287 const u8 *ie, size_t ie_len, bool from_ap)
13289 struct sk_buff *msg;
13292 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
13296 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
13302 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13303 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13304 (from_ap && reason &&
13305 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) ||
13307 nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) ||
13308 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie)))
13309 goto nla_put_failure;
13311 genlmsg_end(msg, hdr);
13313 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13314 NL80211_MCGRP_MLME, GFP_KERNEL);
13318 genlmsg_cancel(msg, hdr);
13322 void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
13323 struct net_device *netdev, const u8 *bssid,
13326 struct sk_buff *msg;
13329 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13333 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS);
13339 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13340 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13341 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
13342 goto nla_put_failure;
13344 genlmsg_end(msg, hdr);
13346 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13347 NL80211_MCGRP_MLME, gfp);
13351 genlmsg_cancel(msg, hdr);
13355 void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
13356 const u8* ie, u8 ie_len, gfp_t gfp)
13358 struct wireless_dev *wdev = dev->ieee80211_ptr;
13359 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13360 struct sk_buff *msg;
13363 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
13366 trace_cfg80211_notify_new_peer_candidate(dev, addr);
13368 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13372 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
13378 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13379 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13380 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
13382 nla_put(msg, NL80211_ATTR_IE, ie_len , ie)))
13383 goto nla_put_failure;
13385 genlmsg_end(msg, hdr);
13387 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13388 NL80211_MCGRP_MLME, gfp);
13392 genlmsg_cancel(msg, hdr);
13395 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
13397 void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
13398 struct net_device *netdev, const u8 *addr,
13399 enum nl80211_key_type key_type, int key_id,
13400 const u8 *tsc, gfp_t gfp)
13402 struct sk_buff *msg;
13405 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13409 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE);
13415 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13416 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13417 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
13418 nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) ||
13420 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) ||
13421 (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc)))
13422 goto nla_put_failure;
13424 genlmsg_end(msg, hdr);
13426 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13427 NL80211_MCGRP_MLME, gfp);
13431 genlmsg_cancel(msg, hdr);
13435 void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
13436 struct ieee80211_channel *channel_before,
13437 struct ieee80211_channel *channel_after)
13439 struct sk_buff *msg;
13441 struct nlattr *nl_freq;
13443 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
13447 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT);
13454 * Since we are applying the beacon hint to a wiphy we know its
13455 * wiphy_idx is valid
13457 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
13458 goto nla_put_failure;
13461 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE);
13463 goto nla_put_failure;
13464 if (nl80211_msg_put_channel(msg, channel_before, false))
13465 goto nla_put_failure;
13466 nla_nest_end(msg, nl_freq);
13469 nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER);
13471 goto nla_put_failure;
13472 if (nl80211_msg_put_channel(msg, channel_after, false))
13473 goto nla_put_failure;
13474 nla_nest_end(msg, nl_freq);
13476 genlmsg_end(msg, hdr);
13479 genlmsg_multicast_allns(&nl80211_fam, msg, 0,
13480 NL80211_MCGRP_REGULATORY, GFP_ATOMIC);
13486 genlmsg_cancel(msg, hdr);
13490 static void nl80211_send_remain_on_chan_event(
13491 int cmd, struct cfg80211_registered_device *rdev,
13492 struct wireless_dev *wdev, u64 cookie,
13493 struct ieee80211_channel *chan,
13494 unsigned int duration, gfp_t gfp)
13496 struct sk_buff *msg;
13499 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13503 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13509 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13510 (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13511 wdev->netdev->ifindex)) ||
13512 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13513 NL80211_ATTR_PAD) ||
13514 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
13515 nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
13516 NL80211_CHAN_NO_HT) ||
13517 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13519 goto nla_put_failure;
13521 if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL &&
13522 nla_put_u32(msg, NL80211_ATTR_DURATION, duration))
13523 goto nla_put_failure;
13525 genlmsg_end(msg, hdr);
13527 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13528 NL80211_MCGRP_MLME, gfp);
13532 genlmsg_cancel(msg, hdr);
13536 void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
13537 struct ieee80211_channel *chan,
13538 unsigned int duration, gfp_t gfp)
13540 struct wiphy *wiphy = wdev->wiphy;
13541 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13543 trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration);
13544 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
13545 rdev, wdev, cookie, chan,
13548 EXPORT_SYMBOL(cfg80211_ready_on_channel);
13550 void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
13551 struct ieee80211_channel *chan,
13554 struct wiphy *wiphy = wdev->wiphy;
13555 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13557 trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan);
13558 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
13559 rdev, wdev, cookie, chan, 0, gfp);
13561 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired);
13563 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
13564 struct station_info *sinfo, gfp_t gfp)
13566 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13567 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13568 struct sk_buff *msg;
13570 trace_cfg80211_new_sta(dev, mac_addr, sinfo);
13572 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13576 if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0,
13577 rdev, dev, mac_addr, sinfo) < 0) {
13582 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13583 NL80211_MCGRP_MLME, gfp);
13585 EXPORT_SYMBOL(cfg80211_new_sta);
13587 void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
13588 struct station_info *sinfo, gfp_t gfp)
13590 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13591 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13592 struct sk_buff *msg;
13593 struct station_info empty_sinfo = {};
13596 sinfo = &empty_sinfo;
13598 trace_cfg80211_del_sta(dev, mac_addr);
13600 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13604 if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0,
13605 rdev, dev, mac_addr, sinfo) < 0) {
13610 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13611 NL80211_MCGRP_MLME, gfp);
13613 EXPORT_SYMBOL(cfg80211_del_sta_sinfo);
13615 void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
13616 enum nl80211_connect_failed_reason reason,
13619 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
13620 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13621 struct sk_buff *msg;
13624 msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
13628 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED);
13634 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13635 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
13636 nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason))
13637 goto nla_put_failure;
13639 genlmsg_end(msg, hdr);
13641 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13642 NL80211_MCGRP_MLME, gfp);
13646 genlmsg_cancel(msg, hdr);
13649 EXPORT_SYMBOL(cfg80211_conn_failed);
13651 static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd,
13652 const u8 *addr, gfp_t gfp)
13654 struct wireless_dev *wdev = dev->ieee80211_ptr;
13655 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13656 struct sk_buff *msg;
13658 u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid);
13663 msg = nlmsg_new(100, gfp);
13667 hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
13673 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13674 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
13675 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
13676 goto nla_put_failure;
13678 genlmsg_end(msg, hdr);
13679 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
13683 genlmsg_cancel(msg, hdr);
13688 bool cfg80211_rx_spurious_frame(struct net_device *dev,
13689 const u8 *addr, gfp_t gfp)
13691 struct wireless_dev *wdev = dev->ieee80211_ptr;
13694 trace_cfg80211_rx_spurious_frame(dev, addr);
13696 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
13697 wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
13698 trace_cfg80211_return_bool(false);
13701 ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME,
13703 trace_cfg80211_return_bool(ret);
13706 EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
13708 bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
13709 const u8 *addr, gfp_t gfp)
13711 struct wireless_dev *wdev = dev->ieee80211_ptr;
13714 trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
13716 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
13717 wdev->iftype != NL80211_IFTYPE_P2P_GO &&
13718 wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
13719 trace_cfg80211_return_bool(false);
13722 ret = __nl80211_unexpected_frame(dev,
13723 NL80211_CMD_UNEXPECTED_4ADDR_FRAME,
13725 trace_cfg80211_return_bool(ret);
13728 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
13730 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
13731 struct wireless_dev *wdev, u32 nlportid,
13732 int freq, int sig_dbm,
13733 const u8 *buf, size_t len, u32 flags, gfp_t gfp)
13735 struct net_device *netdev = wdev->netdev;
13736 struct sk_buff *msg;
13739 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13743 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
13749 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13750 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13751 netdev->ifindex)) ||
13752 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13753 NL80211_ATTR_PAD) ||
13754 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
13756 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
13757 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
13759 nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
13760 goto nla_put_failure;
13762 genlmsg_end(msg, hdr);
13764 return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
13767 genlmsg_cancel(msg, hdr);
13772 void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
13773 const u8 *buf, size_t len, bool ack, gfp_t gfp)
13775 struct wiphy *wiphy = wdev->wiphy;
13776 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
13777 struct net_device *netdev = wdev->netdev;
13778 struct sk_buff *msg;
13781 trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
13783 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13787 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
13793 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13794 (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
13795 netdev->ifindex)) ||
13796 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
13797 NL80211_ATTR_PAD) ||
13798 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
13799 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
13800 NL80211_ATTR_PAD) ||
13801 (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
13802 goto nla_put_failure;
13804 genlmsg_end(msg, hdr);
13806 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13807 NL80211_MCGRP_MLME, gfp);
13811 genlmsg_cancel(msg, hdr);
13814 EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
13816 static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev,
13817 const char *mac, gfp_t gfp)
13819 struct wireless_dev *wdev = dev->ieee80211_ptr;
13820 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
13821 struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13827 cb = (void **)msg->cb;
13829 cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
13835 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13836 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
13837 goto nla_put_failure;
13839 if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac))
13840 goto nla_put_failure;
13842 cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM);
13844 goto nla_put_failure;
13854 static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp)
13856 void **cb = (void **)msg->cb;
13857 struct cfg80211_registered_device *rdev = cb[2];
13859 nla_nest_end(msg, cb[1]);
13860 genlmsg_end(msg, cb[0]);
13862 memset(msg->cb, 0, sizeof(msg->cb));
13864 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
13865 NL80211_MCGRP_MLME, gfp);
13868 void cfg80211_cqm_rssi_notify(struct net_device *dev,
13869 enum nl80211_cqm_rssi_threshold_event rssi_event,
13872 struct sk_buff *msg;
13874 trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
13876 if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW &&
13877 rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH))
13880 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
13884 if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT,
13886 goto nla_put_failure;
13888 cfg80211_send_cqm(msg, gfp);
13895 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify);
13897 void cfg80211_cqm_txe_notify(struct net_device *dev,
13898 const u8 *peer, u32 num_packets,
13899 u32 rate, u32 intvl, gfp_t gfp)
13901 struct sk_buff *msg;
13903 msg = cfg80211_prepare_cqm(dev, peer, gfp);
13907 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
13908 goto nla_put_failure;
13910 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
13911 goto nla_put_failure;
13913 if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
13914 goto nla_put_failure;
13916 cfg80211_send_cqm(msg, gfp);
13922 EXPORT_SYMBOL(cfg80211_cqm_txe_notify);
13924 void cfg80211_cqm_pktloss_notify(struct net_device *dev,
13925 const u8 *peer, u32 num_packets, gfp_t gfp)
13927 struct sk_buff *msg;
13929 trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
13931 msg = cfg80211_prepare_cqm(dev, peer, gfp);
13935 if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets))
13936 goto nla_put_failure;
13938 cfg80211_send_cqm(msg, gfp);
13944 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
13946 void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp)
13948 struct sk_buff *msg;
13950 msg = cfg80211_prepare_cqm(dev, NULL, gfp);
13954 if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT))
13955 goto nla_put_failure;
13957 cfg80211_send_cqm(msg, gfp);
13963 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify);
13965 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
13966 struct net_device *netdev, const u8 *bssid,
13967 const u8 *replay_ctr, gfp_t gfp)
13969 struct sk_buff *msg;
13970 struct nlattr *rekey_attr;
13973 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
13977 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
13983 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
13984 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
13985 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))
13986 goto nla_put_failure;
13988 rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
13990 goto nla_put_failure;
13992 if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR,
13993 NL80211_REPLAY_CTR_LEN, replay_ctr))
13994 goto nla_put_failure;
13996 nla_nest_end(msg, rekey_attr);
13998 genlmsg_end(msg, hdr);
14000 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14001 NL80211_MCGRP_MLME, gfp);
14005 genlmsg_cancel(msg, hdr);
14009 void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
14010 const u8 *replay_ctr, gfp_t gfp)
14012 struct wireless_dev *wdev = dev->ieee80211_ptr;
14013 struct wiphy *wiphy = wdev->wiphy;
14014 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14016 trace_cfg80211_gtk_rekey_notify(dev, bssid);
14017 nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
14019 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
14022 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev,
14023 struct net_device *netdev, int index,
14024 const u8 *bssid, bool preauth, gfp_t gfp)
14026 struct sk_buff *msg;
14027 struct nlattr *attr;
14030 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14034 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE);
14040 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14041 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14042 goto nla_put_failure;
14044 attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE);
14046 goto nla_put_failure;
14048 if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) ||
14049 nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) ||
14051 nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH)))
14052 goto nla_put_failure;
14054 nla_nest_end(msg, attr);
14056 genlmsg_end(msg, hdr);
14058 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14059 NL80211_MCGRP_MLME, gfp);
14063 genlmsg_cancel(msg, hdr);
14067 void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
14068 const u8 *bssid, bool preauth, gfp_t gfp)
14070 struct wireless_dev *wdev = dev->ieee80211_ptr;
14071 struct wiphy *wiphy = wdev->wiphy;
14072 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14074 trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
14075 nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
14077 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
14079 static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
14080 struct net_device *netdev,
14081 struct cfg80211_chan_def *chandef,
14083 enum nl80211_commands notif,
14086 struct sk_buff *msg;
14089 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14093 hdr = nl80211hdr_put(msg, 0, 0, 0, notif);
14099 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
14100 goto nla_put_failure;
14102 if (nl80211_send_chandef(msg, chandef))
14103 goto nla_put_failure;
14105 if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) &&
14106 (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)))
14107 goto nla_put_failure;
14109 genlmsg_end(msg, hdr);
14111 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14112 NL80211_MCGRP_MLME, gfp);
14116 genlmsg_cancel(msg, hdr);
14120 void cfg80211_ch_switch_notify(struct net_device *dev,
14121 struct cfg80211_chan_def *chandef)
14123 struct wireless_dev *wdev = dev->ieee80211_ptr;
14124 struct wiphy *wiphy = wdev->wiphy;
14125 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14127 ASSERT_WDEV_LOCK(wdev);
14129 trace_cfg80211_ch_switch_notify(dev, chandef);
14131 wdev->chandef = *chandef;
14132 wdev->preset_chandef = *chandef;
14133 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14134 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
14136 EXPORT_SYMBOL(cfg80211_ch_switch_notify);
14138 void cfg80211_ch_switch_started_notify(struct net_device *dev,
14139 struct cfg80211_chan_def *chandef,
14142 struct wireless_dev *wdev = dev->ieee80211_ptr;
14143 struct wiphy *wiphy = wdev->wiphy;
14144 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14146 trace_cfg80211_ch_switch_started_notify(dev, chandef);
14148 nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
14149 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count);
14151 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify);
14154 nl80211_radar_notify(struct cfg80211_registered_device *rdev,
14155 const struct cfg80211_chan_def *chandef,
14156 enum nl80211_radar_event event,
14157 struct net_device *netdev, gfp_t gfp)
14159 struct sk_buff *msg;
14162 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14166 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT);
14172 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx))
14173 goto nla_put_failure;
14175 /* NOP and radar events don't need a netdev parameter */
14177 struct wireless_dev *wdev = netdev->ieee80211_ptr;
14179 if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14180 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14182 goto nla_put_failure;
14185 if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event))
14186 goto nla_put_failure;
14188 if (nl80211_send_chandef(msg, chandef))
14189 goto nla_put_failure;
14191 genlmsg_end(msg, hdr);
14193 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14194 NL80211_MCGRP_MLME, gfp);
14198 genlmsg_cancel(msg, hdr);
14202 void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
14203 u64 cookie, bool acked, gfp_t gfp)
14205 struct wireless_dev *wdev = dev->ieee80211_ptr;
14206 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14207 struct sk_buff *msg;
14210 trace_cfg80211_probe_status(dev, addr, cookie, acked);
14212 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14217 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT);
14223 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14224 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14225 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
14226 nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
14227 NL80211_ATTR_PAD) ||
14228 (acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
14229 goto nla_put_failure;
14231 genlmsg_end(msg, hdr);
14233 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14234 NL80211_MCGRP_MLME, gfp);
14238 genlmsg_cancel(msg, hdr);
14241 EXPORT_SYMBOL(cfg80211_probe_status);
14243 void cfg80211_report_obss_beacon(struct wiphy *wiphy,
14244 const u8 *frame, size_t len,
14245 int freq, int sig_dbm)
14247 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14248 struct sk_buff *msg;
14250 struct cfg80211_beacon_registration *reg;
14252 trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm);
14254 spin_lock_bh(&rdev->beacon_registrations_lock);
14255 list_for_each_entry(reg, &rdev->beacon_registrations, list) {
14256 msg = nlmsg_new(len + 100, GFP_ATOMIC);
14258 spin_unlock_bh(&rdev->beacon_registrations_lock);
14262 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME);
14264 goto nla_put_failure;
14266 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14268 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
14270 nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
14271 nla_put(msg, NL80211_ATTR_FRAME, len, frame))
14272 goto nla_put_failure;
14274 genlmsg_end(msg, hdr);
14276 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid);
14278 spin_unlock_bh(&rdev->beacon_registrations_lock);
14282 spin_unlock_bh(&rdev->beacon_registrations_lock);
14284 genlmsg_cancel(msg, hdr);
14287 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
14290 static int cfg80211_net_detect_results(struct sk_buff *msg,
14291 struct cfg80211_wowlan_wakeup *wakeup)
14293 struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect;
14294 struct nlattr *nl_results, *nl_match, *nl_freqs;
14297 nl_results = nla_nest_start(
14298 msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS);
14302 for (i = 0; i < nd->n_matches; i++) {
14303 struct cfg80211_wowlan_nd_match *match = nd->matches[i];
14305 nl_match = nla_nest_start(msg, i);
14309 /* The SSID attribute is optional in nl80211, but for
14310 * simplicity reasons it's always present in the
14311 * cfg80211 structure. If a driver can't pass the
14312 * SSID, that needs to be changed. A zero length SSID
14313 * is still a valid SSID (wildcard), so it cannot be
14314 * used for this purpose.
14316 if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len,
14317 match->ssid.ssid)) {
14318 nla_nest_cancel(msg, nl_match);
14322 if (match->n_channels) {
14323 nl_freqs = nla_nest_start(
14324 msg, NL80211_ATTR_SCAN_FREQUENCIES);
14326 nla_nest_cancel(msg, nl_match);
14330 for (j = 0; j < match->n_channels; j++) {
14331 if (nla_put_u32(msg, j, match->channels[j])) {
14332 nla_nest_cancel(msg, nl_freqs);
14333 nla_nest_cancel(msg, nl_match);
14338 nla_nest_end(msg, nl_freqs);
14341 nla_nest_end(msg, nl_match);
14345 nla_nest_end(msg, nl_results);
14349 void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
14350 struct cfg80211_wowlan_wakeup *wakeup,
14353 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14354 struct sk_buff *msg;
14358 trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup);
14361 size += wakeup->packet_present_len;
14363 msg = nlmsg_new(size, gfp);
14367 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN);
14371 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14372 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14376 if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
14377 wdev->netdev->ifindex))
14381 struct nlattr *reasons;
14383 reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
14387 if (wakeup->disconnect &&
14388 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))
14390 if (wakeup->magic_pkt &&
14391 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT))
14393 if (wakeup->gtk_rekey_failure &&
14394 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE))
14396 if (wakeup->eap_identity_req &&
14397 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST))
14399 if (wakeup->four_way_handshake &&
14400 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE))
14402 if (wakeup->rfkill_release &&
14403 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))
14406 if (wakeup->pattern_idx >= 0 &&
14407 nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN,
14408 wakeup->pattern_idx))
14411 if (wakeup->tcp_match &&
14412 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH))
14415 if (wakeup->tcp_connlost &&
14416 nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST))
14419 if (wakeup->tcp_nomoretokens &&
14421 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS))
14424 if (wakeup->packet) {
14425 u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211;
14426 u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN;
14428 if (!wakeup->packet_80211) {
14430 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023;
14432 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN;
14435 if (wakeup->packet_len &&
14436 nla_put_u32(msg, len_attr, wakeup->packet_len))
14439 if (nla_put(msg, pkt_attr, wakeup->packet_present_len,
14444 if (wakeup->net_detect &&
14445 cfg80211_net_detect_results(msg, wakeup))
14448 nla_nest_end(msg, reasons);
14451 genlmsg_end(msg, hdr);
14453 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14454 NL80211_MCGRP_MLME, gfp);
14460 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup);
14463 void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
14464 enum nl80211_tdls_operation oper,
14465 u16 reason_code, gfp_t gfp)
14467 struct wireless_dev *wdev = dev->ieee80211_ptr;
14468 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
14469 struct sk_buff *msg;
14472 trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
14475 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14479 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
14485 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14486 nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
14487 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
14488 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
14489 (reason_code > 0 &&
14490 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
14491 goto nla_put_failure;
14493 genlmsg_end(msg, hdr);
14495 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14496 NL80211_MCGRP_MLME, gfp);
14500 genlmsg_cancel(msg, hdr);
14503 EXPORT_SYMBOL(cfg80211_tdls_oper_request);
14505 static int nl80211_netlink_notify(struct notifier_block * nb,
14506 unsigned long state,
14509 struct netlink_notify *notify = _notify;
14510 struct cfg80211_registered_device *rdev;
14511 struct wireless_dev *wdev;
14512 struct cfg80211_beacon_registration *reg, *tmp;
14514 if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
14515 return NOTIFY_DONE;
14519 list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
14520 bool schedule_destroy_work = false;
14521 struct cfg80211_sched_scan_request *sched_scan_req =
14522 rcu_dereference(rdev->sched_scan_req);
14524 if (sched_scan_req && notify->portid &&
14525 sched_scan_req->owner_nlportid == notify->portid) {
14526 sched_scan_req->owner_nlportid = 0;
14528 if (rdev->ops->sched_scan_stop &&
14529 rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN)
14530 schedule_work(&rdev->sched_scan_stop_wk);
14533 list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) {
14534 cfg80211_mlme_unregister_socket(wdev, notify->portid);
14536 if (wdev->owner_nlportid == notify->portid)
14537 schedule_destroy_work = true;
14540 spin_lock_bh(&rdev->beacon_registrations_lock);
14541 list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations,
14543 if (reg->nlportid == notify->portid) {
14544 list_del(®->list);
14549 spin_unlock_bh(&rdev->beacon_registrations_lock);
14551 if (schedule_destroy_work) {
14552 struct cfg80211_iface_destroy *destroy;
14554 destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC);
14556 destroy->nlportid = notify->portid;
14557 spin_lock(&rdev->destroy_list_lock);
14558 list_add(&destroy->list, &rdev->destroy_list);
14559 spin_unlock(&rdev->destroy_list_lock);
14560 schedule_work(&rdev->destroy_work);
14568 * It is possible that the user space process that is controlling the
14569 * indoor setting disappeared, so notify the regulatory core.
14571 regulatory_netlink_notify(notify->portid);
14575 static struct notifier_block nl80211_netlink_notifier = {
14576 .notifier_call = nl80211_netlink_notify,
14579 void cfg80211_ft_event(struct net_device *netdev,
14580 struct cfg80211_ft_event_params *ft_event)
14582 struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy;
14583 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14584 struct sk_buff *msg;
14587 trace_cfg80211_ft_event(wiphy, netdev, ft_event);
14589 if (!ft_event->target_ap)
14592 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14596 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT);
14600 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14601 nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
14602 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap))
14605 if (ft_event->ies &&
14606 nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies))
14608 if (ft_event->ric_ies &&
14609 nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len,
14610 ft_event->ric_ies))
14613 genlmsg_end(msg, hdr);
14615 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0,
14616 NL80211_MCGRP_MLME, GFP_KERNEL);
14621 EXPORT_SYMBOL(cfg80211_ft_event);
14623 void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
14625 struct cfg80211_registered_device *rdev;
14626 struct sk_buff *msg;
14630 rdev = wiphy_to_rdev(wdev->wiphy);
14631 if (!rdev->crit_proto_nlportid)
14634 nlportid = rdev->crit_proto_nlportid;
14635 rdev->crit_proto_nlportid = 0;
14637 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
14641 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP);
14643 goto nla_put_failure;
14645 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14646 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14648 goto nla_put_failure;
14650 genlmsg_end(msg, hdr);
14652 genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid);
14657 genlmsg_cancel(msg, hdr);
14660 EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
14662 void nl80211_send_ap_stopped(struct wireless_dev *wdev)
14664 struct wiphy *wiphy = wdev->wiphy;
14665 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
14666 struct sk_buff *msg;
14669 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
14673 hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
14677 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
14678 nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
14679 nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
14683 genlmsg_end(msg, hdr);
14685 genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
14686 NL80211_MCGRP_MLME, GFP_KERNEL);
14692 /* initialisation/exit functions */
14694 int __init nl80211_init(void)
14698 err = genl_register_family(&nl80211_fam);
14702 err = netlink_register_notifier(&nl80211_netlink_notifier);
14708 genl_unregister_family(&nl80211_fam);
14712 void nl80211_exit(void)
14714 netlink_unregister_notifier(&nl80211_netlink_notifier);
14715 genl_unregister_family(&nl80211_fam);